1 2006-09-25 Richard Henderson <rth@redhat.com>
3 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
4 before cgraph_function_flags_ready.
6 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
7 Adam Nemet <anemet@caviumnetworks.com>
9 * tree-ssa-loop-ivopts.c (aff_combination_convert,
10 determine_common_wider_type): New functions.
11 (get_computation_aff): Use them to simplify arithmetic between
12 UBASE and CBASE if they are shortened from the same type.
14 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
17 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
18 -2147483647 - 1 instead of 0x80000000.
20 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
22 * flags.h (HONOR_NANS): Fix typo in comment.
24 2006-09-23 Uros Bizjak <uros@kss-loka.si>
26 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
28 2006-09-23 Jakub Jelinek <jakub@redhat.com>
32 * tree.c (merge_attributes, attribute_list_contained): If both
33 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
35 * c-typeck.c (comptypes_internal): Don't consider aggregates
36 in different TUs as compatible if there one set of attributes is
37 not a subset of the other type's attributes.
38 (composite_type): Try harder not to create a new aggregate type.
40 2006-09-22 Geoffrey Keating <geoffk@apple.com>
42 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
43 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
44 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
45 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
46 than replicating condition above.
47 * config.host (i[34567]86-*-*): Always use driver-i386.o.
49 * config/darwin.h (LINK_SYSROOT_SPEC): New.
50 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
51 the linker by default.
53 2006-09-22 Mike Stump <mrs@apple.com>
55 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
58 2006-09-22 Richard Guenther <rguenther@suse.de>
61 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
62 sort of stack variables stable.
64 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
67 * explow.c (force_reg): Set REG_POINTER flag according to
70 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
72 PR tree-optimization/28888
73 * tree-if-conv.c (combine_blocks): Rewritten.
74 * tree-cfg.c (tree_verify_flow_info): Check that edges with
75 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
77 2006-09-22 Jakub Jelinek <jakub@redhat.com>
79 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
82 2006-09-21 Richard Sandiford <richard@codesourcery.com>
84 * varasm.c (copy_constant): Fix reversed gcc_assert check.
86 2006-09-21 Janis Johnson <janis187@us.ibm.com>
88 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
90 2006-09-21 Roger Sayle <roger@eyesopen.com>
93 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
94 dw_fde_current_label, to be the start of the function, i.e. the same
95 value as dw_fde_begin.
97 2006-09-20 Richard Sandiford <richard@codesourcery.com>
99 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
100 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
101 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
102 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
103 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
104 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
105 (abs<mode>2, neg<mode>2): Likewise.
106 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
107 (*mips_abs_ps): New define_insn.
109 2006-09-20 Josh Conner <jconner@apple.com>
112 * calls.c (expand_call): Allow reuse of structure return stack
115 2006-09-20 Paul Brook <paul@codesourcery.com>
117 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
120 2006-09-20 Janis Johnson <janis187@us.ibm.com>
122 * doc/extend.texi (Decimal Float): Update for latest draft TR,
123 clean up terminology.
125 2006-09-20 Steve Ellcey <sje@cup.hp.com>
128 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
129 with tablejumps in them.
131 2006-09-20 Jakub Jelinek <jakub@redhat.com>
134 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
135 wrap it into TARGET_EXPR.
137 2006-09-20 Eric Christopher <echristo@apple.com>
139 * config/i386/i386.c (x86_fisttp): Remove.
140 * config/i386/i386.h (x86_fisttp): Ditto.
141 (TARGET_FISTTP): Ditto.
143 2006-09-19 Eric Christopher <echristo@apple.com>
145 * doc/tm.texi (OBJC_JBLEN): Describe.
146 * config/i386/darwin.h (OBJC_JBLEN): Define.
147 * config/rs6000/darwin.h: Ditto.
149 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
151 PR rtl-optimization/21299
152 * reload1.c (reload): Purge invalid ASMs in the final pass.
154 2006-09-19 Steve Ellcey <sje@cup.hp.com>
157 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
158 pointers as legitimate constants.
160 2006-09-19 Paul Brook <paul@codesourcery.com>
163 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
165 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
167 PR tree-optimization/28887
168 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
169 component parts from the reference.
170 (gather_memory_references_ref): Record the reference without the
171 nonaddressable component parts.
173 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
176 * c-opts.c (c_common_handle_option): Ignore the -std options
177 if the input language is assembly.
179 2006-09-17 Ira Rosen <irar@il.ibm.com>
182 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
184 (ptr_ptr_may_alias_p): Likewise.
185 (record_record_differ_p): New function.
186 (base_object_differ_p): Call record_record_differ_p.
188 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
191 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
192 away for the expr argument.
194 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
197 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
198 before using it for dumping after vectorizing loops.
200 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
201 Jack Howarth <howarth@bromo.med.uc.edu>
204 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
205 skip on error_mark_node.
206 (rs6000_darwin64_record_arg_recurse): Likewise.
208 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
210 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
211 * doc/rtl.texi: Remove related documentation.
213 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
215 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
218 2006-09-15 Jim Wilson <wilson@specifix.com>
220 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
221 Handle symbol offsets same as they are handled in ia64_expand_move
224 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
226 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
227 Add forgotten parameter to the fprintf call.
229 2006-09-15 Steve Ellcey <sje@cup.hp.com>
231 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
233 2006-09-15 Uros Bizjak <uros@kss-loka.si>
235 * doc/contrib.texi: Add my entry.
237 2006-09-15 Nick Clifton <nickc@redhat.com>
239 * doc/md.texi (Processor pipeline description): Fix typo in
240 example of how to use the absence_set directive and reword the
241 description to make it slightly easier to read.
243 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
245 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
246 * loop-doloop.c (doloop_optimize): Use it to limit costs of
247 expanding the number of iterations.
248 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
250 * cfgrtl.c (emit_insn_at_entry): New function.
251 * rtl.h (emit_insn_at_entry): Declare it.
252 * integrate.c (emit_initial_value_sets): Use it.
254 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
256 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
258 (struct loop_work and related VEC declarations): Delete.
259 (bfin_dump_loops): Print out new member bad.
260 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
261 (bfin_scan_loop): Don't recurse.
262 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
263 loops. No longer need to update outer loops if the current one is
264 found bad. Move some validitiy checks to bfin_discover_loop.
265 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
266 but changed not to check for nesting. Also changed to use the new bad
268 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
269 time. Use bitmap based test to discover loop nesting.
271 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
273 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
276 2006-09-14 Richard Guenther <rguenther@suse.de>
277 Kazu Hirata <kazu@codesourcery.com>
280 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
281 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
282 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
283 with TARGET_FUNCTION_VALUE.
285 2006-09-14 Anatoly Sokolov <aesok@post.ru>
288 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
290 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
292 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
295 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
298 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
301 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
303 * basic_block.h (bb_has_eh_pred): Fix comment.
305 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
307 * flow.c (calculate_global_regs_live): Invalidate eh registers
308 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
309 (propagate_block): Handle eh registers as if they were set at basic
311 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
313 * global.c (global_conflicts): Make eh registers to conflict with
314 pseudos live at basic block begin.
315 * basic_block.h (bb_has_eh_pred): New function.
317 2006-09-13 Richard Sandiford <richard@codesourcery.com>
319 PR rtl-optimization/28982
320 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
321 index of a PRE_MODIFY or POST_MODIFY address.
322 * reload1.c (inc_for_reload): Use find_replacement on the original
323 base and index registers.
325 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
327 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
328 for -Os. Update __m128 alignment requirement.
330 2006-09-13 Jan Hubicka <jh@suse.cz>
332 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
334 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
336 PR rtl-optimization/28243
337 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
338 the insn to which the note was originally attached.
340 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
341 Roger Sayle <roger@eyesopen.com>
343 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
344 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
345 on platforms that don't use dwarf for debug info.
347 2006-09-12 Jason Merrill <jason@redhat.com>
350 * builtins.c (expand_builtin_setjmp_receiver): Clobber
351 hard_frame_pointer_rtx after using it to update the frame pointer.
353 2006-09-12 Roger Sayle <roger@eyesopen.com>
355 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
356 (TARGET_ASM_CLOSE_PAREN): Likewise.
357 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
358 (TARGET_ASM_CLOSE_PAREN): Likewise.
360 2006-09-12 Roger Sayle <roger@eyesopen.com>
363 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
364 frame information for frames larger than 512 Kbytes on Tru64 when
365 using the native assembler.
367 2006-09-12 Roger Sayle <roger@eyesopen.com>
371 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
372 and symbols. Instead use the implementation from cse.c's hash_rtx.
374 2006-09-12 Jan Hubicka <jh@suse.cz>
376 PR rtl-optimization/28071
377 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
378 (vect_transform_loop): Likewise.
379 * tree-vectorizer.c (new_loop_vec_info): Likewise.
380 (new_loop_vec_info): Likewise.
381 (destroy_loop_vec_info): Likewise.
382 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
383 (create_stmt_ann): Likewise.
384 (create_tree_ann): Rename to ...
385 (create_tree_common_ann): ... this one; allocate only the common part
387 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
388 (get_value_handle): Likewise.
389 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
391 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
392 (vinfo_for_stmt): Use stmt annotations.
393 * tree-flow.h (tree_ann_common_t): New type.
394 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
395 (tree_ann, get_tree_ann, create_tree_ann): New.
396 * tree-flow-inline.h (get_function_ann): Do more type checking.
397 (stmt_ann): Likewise.
398 (tree_ann): Rename to ...
399 (tree_common_ann): ... this one; return ony common_ann
400 (get_tree_ann): Rename to ...
401 (tree_common_ann): This one; return only common_ann.
402 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
405 2006-09-11 Geoffrey Keating <geoffk@apple.com>
407 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
410 * dwarf2out.c (dwarf_file_data): New.
411 (enum dw_val_class): Add dw_val_class_file.
412 (struct dw_val_struct): Add val_file.
413 (file_table): Change to a hash table.
414 (file_table_emitted): Delete.
415 (file_table_last_lookup_index): Delete.
417 (last_emitted_file): New.
418 (lookup_filename): Change prototype to return a struct dwarf_file_data.
419 (init_file_table): Delete.
420 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
421 (AT_addr): Add comment.
425 (print_die): Handle dw_val_class_file.
426 (print_dwarf_line_table): Update for new file table structure.
427 (attr_checksum): Do checksum a filename.
428 (same_dw_val_p, same_attr_p): Do compare a filename.
429 (size_of_die): Handle dw_val_class_file.
430 (value_format): Likewise.
431 (output_die): Likewise. Also, call maybe_emit_file here.
432 (struct file_info): Constify filenames. Make file_idx a pointer
433 to a struct dwarf_file_data.
434 (struct dir_info): Constify directory names. Remove 'used' field.
435 (struct file_name_acquire_data): New.
436 (file_name_acquire): New.
437 (output_file_names): Modify to handle new file data structures.
438 (add_src_coords_attributes): Use add_AT_file.
439 (add_call_src_coords_attributes): Likewise.
440 (dwarf2out_imported_module_or_decl): Likewise.
441 (gen_subprogram_die): Modify for new file data structures.
442 (gen_variable_die): Likewise.
443 (file_table_eq): New.
444 (file_table_hash): New.
445 (file_table_last_lookup): New.
446 (lookup_filename): Rewrite to handle new file data structures.
447 (maybe_emit_file): Rewrite to handle new file data structures.
448 (dwarf2out_source_line): Always call lookup_filename and
450 (dwarf2out_init): Create file_table here.
451 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
452 (file_table_relative_p): New.
453 (dwarf2out_finish): Change detection of relative filenames
454 to work with new file data structures. Move output_line_info call
455 after debug_info output.
457 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
462 * config/i386/i386.c (override_options): Always default to 16
465 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
468 * var-tracking.c (dump_dataflow_set): Start dumping at
470 (clobber_variable_part): Kill only the variable part in
471 registers holding it, leaving other variables alone.
473 2006-09-11 Josh Triplett <josh@freedesktop.org>
475 * doc/extend.texi (Other Builtins): Actually use the macro
476 argument in the documentation example for
477 __builtin_types_compatible_p.
479 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
481 PR rtl-optimization/28726
482 * sched-deps.c (sched_analyze_reg): New function extracted from...
483 (sched_analyze_1): ...here. Call it to analyze references to
484 registers. Treat again writes to a stack register as writing to the
486 (sched_analyze_2): ...and here. Call it to analyze references to
487 registers. Treat again reads of a stack register as reading the
490 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
491 David Edelsohn <edelsohn@gnu.org>
494 * config/rs6000/spe.md (frob_df_di): Remove %H.
495 (frob_di_df): Remove %H. Change evmergelo to mr.
496 (frob_di_df_2): Remove %H. Change evldd to two loads.
498 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
500 * doc/cpp.texi: Fix names of charset options.
502 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
505 * config/i386/i386.c (override_options): Use 128-bit
506 stack boundary always for 64bits.
508 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
510 PR rtl-optimization/28636
511 * combine.c (force_to_mode): Test for side-effects before
512 substituting by zero.
513 (simplify_shift_const): Likewise for zero or other constants.
515 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
518 * builtins.c (expand_builtin_setjmp): Force next_lab to be
521 2006-09-10 Richard Sandiford <richard@codesourcery.com>
524 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
525 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
526 returned by mode_for_size, rather than the mode of src itself,
527 to choose between 32-bit and 64-bit patterns.
528 (mips_mem_fits_mode_p): New function.
529 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
530 that the size of the source matches the size of the destination.
531 (mov_<store>l, mov_<store>r): Likewise.
533 2006-09-10 Eric Christopher <echristo@apple.com>
535 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
538 2006-09-09 Eric Christopher <echristo@apple.com>
541 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
544 2006-09-09 Roger Sayle <roger@eyesopen.com>
545 Nicolas Setton <setton@adacore.com>
547 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
549 2006-09-10 Andreas Schwab <schwab@suse.de>
551 * config/m68k/m68k.md (bungt_rev): New pattern.
553 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
554 Dale Johannesen <dalej@apple.com>
557 * regclass.c (struct reg_pref): Update documentation.
558 (regclass): Set prefclass to NO_REGS if memory is the best option.
559 (record_reg_classes): Cope with a prefclass set to NO_REGS.
561 2006-09-08 Eric Christopher <echristo@apple.com>
563 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
564 * config/t-slibgcc-darwin: Support x86_64 multilib.
565 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
566 Return 1 for x86_64-darwin.
567 * config/i386/t-darwin: Add m64 multilib.
568 (LIB2_SIDITI_CONV_FUNCS): Use.
569 (LIB2FUNCS_EXTRA): Ditto.
570 * config/i386/darwin.h: Support x86_64.
571 * config/i386/i386.c (override_options): Turn on flag_pic
572 for x86_64-darwin. Disable flag_omit_pointer.
573 (get_pc_thunk_name): Assert !TARGET_64BIT.
574 (legitimate_address_p): Disable machopic addressing for
576 (legitimize_pic_address): Ditto.
577 (ix86_expand_move): Ditto.
578 (ix86_expand_call): Ditto.
579 (machopic_output_stub): Ditto.
580 * config/darwin.c (machopic_select_section): Support literal16.
581 (machopic_select_rtx_section): Ditto.
582 * config/darwin-sections.def: Ditto.
583 * config/darwin-64.c: New.
585 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
588 * c-tree.h (struct c_arg_info): Add pending_sizes.
589 * c-parser.c (c_parser_parms_declarator,
590 c_parser_parms_list_declarator): Initialize pending_sizes.
591 * c-decl.c (get_parm_info): Initialize pending_sizes.
592 (get_parm_info): Set pending_sizes.
593 (grokdeclarator): Call put_pending_sizes for parameters for
594 function definition only.
596 2006-09-07 Jason Merrill <jason@redhat.com>
599 * varasm.c (output_constant): Only strip actual no-op conversions.
602 * config/i386/i386.c (override_options): Use 128-bit
603 stack boundary if -msse.
605 2006-09-07 Eric Christopher <echristo@apple.com>
607 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
609 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
612 2006-09-07 Geoffrey Keating <geoffk@apple.com>
614 * dwarf2out.c: Remove strange characters from comment above
615 dwarf2out_frame_debug_expr.
617 2006-09-07 Eric Christopher <echristo@apple.com>
619 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
620 * config/darwin.h: ... to here.
622 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
624 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
626 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
627 (TARGET_PARTIAL_FLAG_REG_STALL): New.
629 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
630 TARGET_PARTIAL_FLAG_REG_STALL.
631 (*ashldi3_cconly_rex64): Likewise.
632 (*ashlsi3_cmp): Likewise.
633 (*ashlsi3_cconly): Likewise.
634 (*ashlsi3_cmp_zext): Likewise.
635 (*ashlhi3_cmp): Likewise.
636 (*ashlhi3_cconly): Likewise.
637 (*ashlqi3_cmp): Likewise.
638 (*ashlqi3_cconly): Likewise.
639 (*ashrdi3_cmp_rex64): Likewise.
640 (*ashrdi3_cconly_rex64): Likewise.
641 (*ashrsi3_cmp): Likewise.
642 (*ashrsi3_cconly): Likewise.
643 (*ashrsi3_cmp_zext): Likewise.
644 (*ashrhi3_cmp): Likewise.
645 (*ashrhi3_cconly): Likewise.
646 (*ashrqi3_cmp): Likewise.
647 (*ashrqi3_cconly): Likewise.
648 (*lshrdi3_cmp_rex64): Likewise.
649 (*lshrdi3_cconly_rex64): Likewise.
650 (*lshrsi3_cmp): Likewise.
651 (*lshrsi3_cconly): Likewise.
652 (*lshrsi3_cmp_zext): Likewise.
653 (*lshrhi3_cmp): Likewise.
654 (*lshrhi3_cconly): Likewise.
655 (*lshrqi2_cmp): Likewise.
656 (*lshrqi2_cconly): Likewise.
658 2006-09-07 Uros Bizjak <uros@kss-loka.si>
661 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
662 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
663 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
664 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
665 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
666 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
667 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
668 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
669 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
670 implement only CC setting effects of shift instructions.
672 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
674 * doc/contrib.texi: Add myself.
676 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
679 * stor-layout.c (relayout_decl): Don't zero the alignment if it
682 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
685 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
686 (divsi_inv_m1): Use them.
687 (UNSPEC_DIV_INV_TABLE): New constant.
689 2006-09-06 James E Wilson <wilson@specifix.com>
692 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
693 then call count_or_remove_death_notes.
695 2006-09-06 Jason Merrill <jason@redhat.com>
698 * tree-inline.c (copy_result_decl_to_var): New fn.
699 (declare_return_variable): Use it. Call declare_inline_vars here.
700 (expand_call_inline): Not here.
702 2006-09-06 Diego Novillo <dnovillo@redhat.com>
704 * doc/contrib.texi: Update my entry.
706 2006-09-06 Nick Clifton <nickc@redhat.com>
708 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
710 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
713 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
714 (canonicalize_induction_variables): Likewise.
715 (tree_unroll_loops_completely): Likewise.
716 (tree_ssa_prefetch_arrays): Likewise.
717 (remove_empty_loops): Likewise.
718 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
719 TODO_cleanup_cfg instead of directly calling
720 cleanup_tree_cfg_loop.
721 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
723 (tree_unroll_loops_completely): Likewise.
724 (remove_empty_loops): Likewise.
725 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
726 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
727 of tree_ssa_unswitch_loops.
728 (tree_ssa_loop_ivcanon): Use the return value of
729 canonicalize_induction_variables.
730 (tree_ssa_empty_loop): Use the return value of
732 (tree_complete_unroll): Use the return value of
733 tree_unroll_loops_completely.
734 (tree_ssa_loop_prefetch): Use the return value of
735 tree_ssa_prefetch_arrays.
736 * passes.c (execute_todo): Before Cleanup CFG, set
737 updating_used_alone and after cleanup CFG, call
738 recalculate_used_alone.
740 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
743 * tree-vect-transform.c (vectorizable_condition): Move the check
744 for the type after the check for simple condition.
746 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
747 Kaz Kojima <kkojima@gcc.gnu.org>
750 * mode-switching.c (optimize_mode_switching): Make the destination
751 block of an abnormal edge have no anticipatable mode. Don't
752 insert mode switching code at the end of the source block of
755 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
757 PR rtl-optimization/26847
758 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
759 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
760 (simplify_plus_minus): Count n_constants while filling ops. Replace
761 qsort with insertion sort. Before going through the array to simplify
762 pairs, sort it. Delay early exit until after the first sort, exiting
763 only if no swaps occurred. Simplify pairs in reversed order, without
764 special-casing the first iteration. Pack ops after simplifying pairs.
766 2006-09-05 Anatoly Sokolov <aesok@post.ru>
768 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
769 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
770 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
771 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
773 2006-09-05 Richard Guenther <rguenther@suse.de>
775 PR tree-optimization/28900
776 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
777 compound conditional before creating COND_EXPR condition.
779 2006-09-05 Richard Guenther <rguenther@suse.de>
781 PR tree-optimization/28905
782 * tree-vrp.c (fix_equivalence_set): Manually implement
783 !value_ranges_intersect_p to also handle symbolic ranges.
785 2006-09-05 Richard Guenther <rguenther@suse.de>
788 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
791 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
793 PR rtl-optimization/27616
794 * cse.c (table_size): New static variable.
795 (new_basic_block): Initialize it to 0.
796 (remove_from_table): Decrement it.
797 (insert): Increment it.
798 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
799 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
800 fold_rtx_mem_1 if under the cap.
801 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
802 the lookup of the equivalent expression and test for equality of the
803 first operand of the equivalent expression before in turn looking up
804 an equivalent constant for the second operand.
806 2006-09-02 Geoffrey Keating <geoffk@apple.com>
809 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
810 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
811 pointer, instead of assuming it is possible to derive the
812 correct args size from a call insn.
814 2006-09-02 Jakub Jelinek <jakub@redhat.com>
817 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
818 (fold_builtin_mempcpy): Rename to...
819 (fold_builtin_memory_op): ... this. Optimize one element copy
821 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
823 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
824 (expand_builtin_memcpy, expand_builtin_mempcpy,
825 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
826 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
827 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
828 BUILT_IN_MEM{CPY,PCPY,MOVE}.
830 2006-09-01 DJ Delorie <dj@redhat.com>
832 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
834 ("stzx_24_<mode>"): Likewise.
835 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
836 ("cmp<mode>_op"): New.
837 (cmp<mode>): Change to expander; just save operands.
839 (b<code>): Change to expander, emit compare here.
840 (s<code>_op): Change to use split and expander.
841 (s<code>_24_op): Likewise.
842 (s<code>_<mode>): New.
843 (s<code>_<mode>_24): New.
844 (movqicc_<code>_<mode): New.
845 (movhicc_<code>_<mode>): New.
848 * config/m32c/m32c.c (compare_op0, compare_op1): New.
849 (m32c_pend_compare): New.
850 (m32c_unpend_compare): New.
851 (m32c_expand_scc): New.
852 (m32c_expand_movcc): Emit the compare also.
853 * config/m32c/predicates.md (mra_nopp_operand): New.
855 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
856 Richard Guenther <rguenther@suse.de>
857 Adam Nemet <anemet@caviumnetworks.com>
860 * builtins.c (get_pointer_alignment): Handle more forms
861 of base addresses that can be used to derive more precise
862 information about alignment.
864 2006-09-01 Jason Merrill <jason@redhat.com>
867 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
870 * gimplify.c (voidify_wrapper_expr): Handle null type.
872 2006-09-01 Josh Conner <jconner@apple.com>
875 * tree-nrv.c (dest_safe_for_nrv_p): New function.
876 (execute_return_slot_opt): Use it.
878 2006-08-31 Josh Conner <jconner@apple.com>
881 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
882 returning aggregates.
884 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
886 PR tree-optimization/28839
887 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
888 blocks in that phi arguments appear.
890 2006-08-31 Roger Sayle <roger@eyesopen.com>
893 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
894 NULL, otherwise use an advance_loc4 to adjust relative to the
896 (output_cfi) <DW_CFA_set_loc>: Update the current label.
897 (dwarf2out_switch_text_section): Reset the current label to avoid
898 using advance_loc4 over section boundaries.
900 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
903 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
904 r12 + SYMBOLIC_CONST.
906 2006-08-30 Richard Guenther <rguenther@suse.de>
908 * Makefile.in (see.o): Add $(EXPR_H) dependency.
910 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
912 PR rtl-optimization/27735
913 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
914 Add new argument to keep track of whether an irreducible region
915 was affected. All callers changed.
916 (fix_irreducible_loops): Removed.
917 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
918 flags were invalidated.
920 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
922 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
923 instead of SF operands.
924 (*fop_df_comm_sse): Likewise.
925 (*fop_df_comm_i387): Likewise.
926 (*fop_df_1_mixed): Likewise.
927 (*fop_df_1_sse): Likewise.
929 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
930 J"orn Rennecke <joern.rennecke@st.com>
932 PR tree-optimization/17506
933 * tree-ssa.c (warn_uninit): If warning about a location outside of
934 the current function, note where the variable was declared.
936 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
938 PR tree-optimization/28411
939 * double-int.c (double_int_div): Use double_int_divmod.
940 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
941 double_int_mod, double_int_smod, double_int_umod): New functions.
942 * double-int.h (double_int_divmod, double_int_sdivmod,
943 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
945 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
947 (get_computation_aff, get_computation_cost_at): Handle double_int
948 return type of constant_multiple_of.
950 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
953 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
954 an implicit conversion.
956 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
958 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
960 2006-08-27 Roger Sayle <roger@eyesopen.com>
962 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
965 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
967 * config/i386/crtfastmath.c: Fix a comment typo.
969 2006-08-26 Roger Sayle <roger@eyesopen.com>
971 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
972 temporary visit flags on CASE_LABEL_EXPRs.
973 * c-common.c (match_case_to_enum): Add function comment. Avoid
974 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
975 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
976 CASE_HIGH_SEEN for enumerated types. If the switch expression is
977 a constant, only warn if that constant value isn't handled.
979 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
982 * input.h (restore_input_file_stack): Declare.
983 (INPUT_FILE_STACK_BITS): Define.
984 * toplev.c (fs_p, input_file_stack_history,
985 input_file_stack_restored, restore_input_file_stack): New.
986 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
987 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
988 (pop_srcloc): Don't free old state of stack.
990 2006-08-26 David Edelsohn <edelsohn@gnu.org>
993 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
994 (PowerPC Type Attributes): New.
996 2006-08-26 Bob Wilson <bob.wilson@acm.org>
998 * config/xtensa/xtensa.c (function_arg_boundary): New.
999 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
1001 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
1002 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
1004 2006-08-26 Jakub Jelinek <jakub@redhat.com>
1007 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
1010 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1012 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
1013 (verify_local_live_at_start): Likewise.
1015 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1018 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
1019 omp_add_variable): Treat sizes as variable whenever not
1022 2006-08-26 Richard Guenther <rguenther@suse.de>
1025 * fold-const.c (fold_binary): Fold temporary to correct
1026 type before constructing new comparison.
1028 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
1031 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
1032 variable again if DECL_SEEN_IN_BIND_EXPR_P.
1034 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1037 * c-decl.c (start_function): Don't try to process prototype
1038 information from old declaration that isn't a function.
1040 2006-08-25 Jan Hubicka <jh@suse.cz>
1043 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
1045 2006-08-25 Alan Modra <amodra@bigpond.net.au>
1048 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
1051 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
1053 PR tree-optimization/16876
1054 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
1055 exit if PARM doesn't match VALUE.
1057 2006-08-25 Bob Wilson <bob.wilson@acm.org>
1059 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
1060 literal_prefix directive.
1061 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
1062 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1063 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1065 2006-08-25 David Edelsohn <edelsohn@gnu.org>
1068 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
1069 predicate to general_operand. Add 0->y and I->r alternatives.
1071 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
1073 * doc/tm.texi: Fix a typo.
1074 * predict.c: Fix comment typos.
1076 2006-08-25 Nick Clifton <nickc@redhat.com>
1078 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
1079 assertions of "cpu" and "machine".
1081 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
1084 * tree-ssa-operands.c (access_can_touch_variable): Don't say
1085 the access through a base which has an alias set of 0 cannot
1088 2006-08-24 Bill Wendling <wendling@apple.com>
1090 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
1092 2006-08-24 Jan Hubicka <jh@suse.cz>
1094 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
1096 2006-08-24 Jan Hubicka <jh@suse.cz>
1099 * cgraph.c: Fix comments.
1100 (cgraph_varpool_mark_needed_node): Mark only variables not already
1102 * cgraphunit.c: Update comments; include gt-cgraphunit.h
1103 (cgraph_varpool_assembled_nodes_queue): New static variable.
1104 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
1105 (cgraph_varpool_output_debug_info): New function.
1106 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
1107 * Makefile.in: Add gt-cgraphunit.h
1109 2006-08-24 Jan Hubicka <jh@suse.cz>
1111 * predict.c (probability_reliable_p): New predicate.
1112 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
1113 (predict_loops): Do not predict loop exit with less than 2%
1115 * basic-block.h (edge_probability_reliable_p,
1116 br_prob_note_reliable_p): Declare.
1117 * ia64.h (ia64_print_operand): Do not disable on-chip branch
1118 prediction when static predictor is not reliable.
1119 * rs6000.c (output_cbranch): Likewise.
1121 2006-08-23 Stuart Hastings <stuart@apple.com>
1124 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
1125 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
1127 2006-08-21 Geoffrey Keating <geoffk@apple.com>
1130 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
1131 complex values, nor for generic vector values.
1133 2006-08-22 Richard Guenther <rguenther@suse.de>
1136 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
1137 parameter. Convert arguments to arithmetic expression to the
1139 (analyze_scalar_evolution_1): Adjust caller.
1141 2006-08-22 Jan Hubicka <jh@suse.cz>
1143 Patch by Paolo Bonzini
1144 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
1147 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
1149 PR tree-optimization/28003
1150 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
1151 before grouping aliases.
1153 2006-08-22 Roger Sayle <roger@eyesopen.com>
1155 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
1156 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
1158 2006-08-21 Jason Merrill <jason@redhat.com>
1161 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
1162 wrapper. Loop to handle nested wrappers.
1163 (gimplify_bind_expr): Remove temp parameter.
1164 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
1165 and STATEMENT_LIST on the rhs.
1166 (gimplify_statement_list): Voidify the STATEMENT_LIST.
1167 (gimplify_expr): Pass pre_p to gimplify_statement_list.
1168 (gimplify_target_expr): Remove special BIND_EXPR handling.
1170 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
1172 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
1175 2006-08-21 Olivier Hainque <hainque@adacore.com>
1177 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
1178 Arrange for the temporary captures of components overlapping the lhs
1179 to happen before the lhs is possibly cleared.
1181 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
1183 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
1184 necessary places to pass the correct "number of registers" values
1187 2006-08-20 Jan Hubicka <jh@suse.cz>
1189 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
1190 (create_name_tags): Instead of quadratic checking use hashtable.
1191 * bitmap.h: Include hashtab.h.
1192 (bitmap_hash): Declare.
1193 * bitmap.c (bitmap_hash): New function.
1195 2006-08-20 Jan Hubicka <jh@suse.cz>
1197 PR rtl-optimization/28071
1198 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
1200 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
1201 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
1202 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
1203 cgraph_decide_inlining_incrementally): Update use of
1204 cgraph_check_inline_limits.
1205 * cgraph.c (edge_hash, edge_eq): New function.
1206 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
1207 cgraph_edge_remove_caller, cgraph_node_remove_callees,
1208 cgraph_remove_node): Maintain call site hash.
1209 * cgraph.h (struct cgraph_node): Add call_site_hash.
1210 (cgraph_set_call_stmt): New function.
1212 2006-08-20 Jan Hubicka <jh@suse.cz>
1214 PR rtl-optimization/28071
1215 * reload1.c (reg_has_output_reload): Turn into regset.
1216 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
1217 choose_reload_regs, emit_reload_insns): Update to new
1218 reg_has_output_reload.
1220 2006-08-20 Jan Hubicka <jh@suse.cz>
1223 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
1224 function body sizes.
1225 * cgraphunit.c (cgraph_analyze_function): Don't do so.
1227 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
1230 * tree.c (handle_dll_attribute): Return early if not a
1231 var or function decl.
1233 2006-08-18 Joseph Myers <joseph@codesourcery.com>
1236 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
1237 alignment of SPE vector types.
1239 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
1241 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
1243 2006-08-17 Jakub Jelinek <jakub@redhat.com>
1246 * cgraph.h (struct cgraph_node): Remove externally_visible
1248 * cgraphunit.c (process_function_and_variable_attributes): Set
1249 local.externally_visible rather than externally_visible.
1252 * c-common.c (handle_externally_visible_attribute): First look
1253 at TREE_CODE and only if it is function or var decl, check for
1254 non-public objects. Don't warn for DECL_EXTERNAL.
1255 * cgraphunit.c (process_function_and_variable_attributes): Warn
1256 if externally_visible attribute is used on non-public object.
1258 2006-08-17 Jan Hubicka <jh@suse.cz>
1260 PR tree-optimization/27865
1261 * reload1.c (forget_marked_reloads): New function.
1262 (forget_old_reloads_1): When data are passed, just mark the registers
1264 (reload_as_needed): Use the new mechanizm.
1266 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
1269 * reload.h (reg_equiv_alt_mem_list): New declaration.
1270 * reload1.c (reg_equiv_alt_mem_list): New definition.
1271 (reload): Initialize it and release it.
1272 (delete_output_reload): Use it.
1273 * reload.c (push_reg_equiv_alt_mem): New function.
1274 (find_reloads_toplev): Call it.
1275 (find_reloads_address, find_reloads_address_1): Likewise.
1276 (find_reloads_subreg_address): Likewise.
1278 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1280 PR rtl-optimization/28489
1281 * sched-ebb.c (begin_schedule_ready): Create basic block
1283 (advance_target_bb): Skip empty blocks.
1284 * haifa-sched.c (bb_note): Make global.
1285 * sched-int.h (bb_note): Add prototype.
1287 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1289 PR tree-optimization/27865
1290 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
1292 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
1293 fold_used_pointer, pointer_used_p): New functions.
1294 (analyze_scalar_evolution_1): Use fold_used_pointer.
1295 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
1296 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
1299 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
1302 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
1303 or the INTEGER_CST. Fail on a CALL_EXPR.
1304 (fold_offsetof): Pass new argument to fold_offsetof_1.
1305 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
1306 operand into an INDIRECT_REF.
1307 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
1309 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1311 PR gcov/profile/26570
1312 * value-prof.c (static_values): Removed.
1313 (tree_find_values_to_profile): Do not set static_values.
1314 (find_values_to_profile): Do not free static_values.
1315 * profile.c (instrument_values): Do not free the values.
1316 (branch_prob): Free the values.
1318 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
1320 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
1322 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
1325 * c-typeck.c (build_component_ref): Combine qualifiers of
1326 structure or union and field.
1328 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1330 PR rtl-optimization/28071
1331 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
1332 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
1333 * tree-into-ssa.c (struct dom_dfsnum): New.
1334 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
1336 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
1337 compute_global_livein.
1338 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
1339 in phi nodes in the correct blocks.
1341 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1343 PR tree-optimization/28364
1344 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
1346 (fold_affine_expr): New function.
1347 (may_eliminate_iv): Use fold_affine_expr.
1349 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1352 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
1355 2006-08-16 Mike Stump <mrs@apple.com>
1357 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
1358 * doc/cppopts.texi (-MD): Likewise.
1360 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
1363 * c-common.c (handle_weak_attribute): Ignore and warn if
1364 not a FUNCTION_ or VAR_DECL.
1366 2006-07-15 Mike Stump <mrs@apple.com>
1369 * c-parser.c (c_parser_typeof_specifier): Don't use
1370 c_finish_expr_stmt, open code desired semantics instead.
1372 2006-08-15 Nick Clifton <nickc@redhat.com>
1374 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
1375 fragment to tmake_file only if threads are enabled.
1376 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
1377 * config/i386/t-gthr-win32: New file. ... here.
1379 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1382 * c-parser.c (c_parser_compound_statement_nostart): Reset
1383 parser->error after each statement.
1385 2006-08-15 Jakub Jelinek <jakub@redhat.com>
1388 * omp-low.c (lower_omp_parallel): Convert t to
1389 receiver_decl's type.
1390 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
1391 source before comparison.
1394 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
1395 to itype in assignment to oldival2.
1397 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
1401 * c-typeck.c (build_compound_expr): If the second expression
1402 is an error mark, then just return an error mark instead of
1403 creating a COMPOUND_EXPR.
1405 2006-07-14 Mike Stump <mrs@apple.com>
1407 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
1409 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
1411 * c-decl.c, var-tracking.c: Fix comment typos.
1413 2006-08-14 Richard Sandiford <richard@codesourcery.com>
1415 PR rtl-optimization/28634
1416 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
1417 for floating-point modes unless flag_unsafe_math_optimizations.
1419 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
1420 Andrew Pinski <pinskia@physics.uc.edu>
1423 * tree.c (build_array_type): Unify array types with
1424 unspecified index_type.
1425 * c-decl.c (grokdeclarator): Make sure we do not modify a
1426 unified incomplete array type.
1427 * c-typeck.c (store_init_value): Create distinct type before
1428 filling in the index type in an initializer from a compound
1431 * c-decl.c (grokdeclarator): Remove code where we copy the
1434 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
1436 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
1437 into account for TODO_dump_cgraph.
1438 (TODO_update_ssa_no_phi): Likewise.
1439 (TODO_update_ssa_full_phi): Likewise.
1440 (TODO_update_ssa_only_virtuals): Likewise.
1441 (TODO_remove_unused_locals): Likewise.
1442 (TODO_set_props): Likewise.
1443 (TODO_update_stmt_usage): Likewise.
1445 2006-08-13 Dirk Mueller <dmueller@suse.de>
1447 * c-common.c (strict_aliasing_warning): Fix formatting.
1449 2006-08-13 Matthias Klose <doko@debian.org>
1451 * doc/invoke.texi: Fix spelling errors.
1453 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1455 PR rtl-optimization/23454
1456 * reorg.c (relax_delay_slots): Update comment.
1458 2006-08-11 Richard Guenther <rguenther@suse.de>
1461 * simplify-rtx.c (simplify_const_relational_operation):
1462 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
1465 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
1467 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
1468 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
1470 2006-08-10 Paul Brook <paul@codesourcery.com>
1472 * final.c (final_scan_insn): Clear current_insn_predicate before
1473 outputting inline asm.
1475 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
1477 PR tree-optimization/26197
1478 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
1479 get_ref_base_and_extent and overlap_subvar to add only relevant
1480 subvars as may-aliases.
1481 (add_may_alias_for_new_tag): New function, factored out of
1483 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
1484 with additional argument.
1485 * tree-flow.h (new_type_alias): Takes additional argument.
1487 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
1489 * gcov.c (no_data_file): New flag.
1490 (read_count_file): Set it if data file not present. Assume counts
1492 (output_lines): Don't name the data file, if there wasn't one.
1494 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
1496 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
1497 (rs6000_generate_compare): Tweak comments.
1498 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
1500 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
1502 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
1503 (var_debug_decl): New function.
1504 (var_reg_set): Follow debug decl link. Add location even if
1505 reg is already known to hold some other variable.
1506 (var_mem_set): Follow debug decl link.
1507 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
1508 decl link. Delete other known locations of the variable part
1510 (var_reg_delete, var_mem_delete): Delete other known locations
1511 of the variable part if requested.
1512 (same_variable_part_p): New function.
1513 (add_stores): Select MO_COPY when appropriate.
1514 (vt_initialize): Handle it.
1515 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
1516 known locations for MO_SET and MO_CLOBBER.
1517 (find_variable_location_part): New function.
1518 (set_variable_part, delete_variable_part): Use it.
1519 (clobber_variable_part): New function.
1520 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
1523 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
1525 PR tree-optimization/26969
1526 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
1527 with an empty list of PHIs.
1529 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
1533 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
1536 2006-08-06 Andreas Schwab <schwab@suse.de>
1538 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
1539 string. Whitespace and comment fixup.
1541 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1544 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
1548 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
1551 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
1553 2006-08-04 Jan Hubicka <jh@suse.cz>
1557 * reload.c (push_reload): Patch out the mismatching instruction;
1559 (find_reload): Bail out if the instruction was patched out.
1561 2006-08-04 Jan Hubicka <jh@suse.cz>
1563 PR tree-optimization/24888
1564 * tree-inline.c (expand_call_inline): Do not re-record variables.
1565 (declare_inline_vars): Add variable to unexpanded_var_list.
1567 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1568 Roger Sayle <roger@eyesopen.com>
1570 PR rtl-optimization/26244
1571 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
1572 inner_const are negative or greater than or equal to the bitsize of
1573 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
1574 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
1575 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
1576 CONST0_RTX (mode) when the new shift count is greater than or equal to
1577 to the bitsize of the object being shifted and XEXP (y, 0) has no side
1580 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
1582 * tree-cfg.c: Fix a comment typo.
1584 2006-08-03 Mark Mitchell <mark@codesourcery.com>
1587 * varasm.c (output_constant): Give the front end another chance to
1588 expand constants, after stripping NOPs.
1590 2006-08-03 Jan Hubicka <jh@suse.cz>
1592 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
1595 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
1597 PR tree-optimization/27770
1598 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
1599 declaration removed (moved to tree-flow.h).
1600 (vect_can_force_dr_alignment_p): Likewise.
1601 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
1602 (moved from tree-vectorizer.h).
1603 (vect_can_force_dr_alignment_p): Likewise.
1604 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
1605 from outside the vectorizer - in particular from cgraph stage.
1606 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
1607 the alignment of global arrays when -fsection-anchors is enabled.
1608 * cgraphunit.c (cgraph_increase_alignment): New function.
1609 (cgraph_optimize): Call cgraph_increase_alignment.
1611 2006-08-03 David Edelsohn <edelsohn@gnu.org>
1614 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
1615 not reload a SPE symbol_ref into a lo_sum address.
1617 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
1620 * dwarf2out.c (prune_unused_types_prune): Move call to
1621 prune_unused_types_update_strings to cover the parent DIE also.
1623 2006-08-02 Jan Hubicka <jh@suse.cz>
1625 PR gcov/profile/28480
1626 * tree-cfg.c (change_bb_for_stmt): New function.
1627 (tree_merge_blocks, tree_split_blocks): Use it.
1629 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1635 * toplev.c (compile_file): Return early on errorcount or sorrycount.
1636 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
1637 (cgraph_optimize): Likewise.
1639 2006-08-01 Stuart Hastings <stuart@apple.com>
1641 * rtl.h (UINTVAL) New.
1642 * config/rs6000/rs6000.c (SMALL_INT) Use it.
1643 * testsuite/gcc.dg/20060801-1.c: New.
1645 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
1648 * c-typeck.c (build_external_type): Mark used enum types.
1649 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
1651 (gen_subprogram_die): Whitespace fix.
1653 2006-08-01 Jan Hubicka <jh@suse.cz>
1655 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
1656 bitmap when not needed.
1657 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
1660 2006-08-01 Dirk Mueller <dmueller@suse.de>
1662 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
1664 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1666 * Makefile.in: Revert part of previous patch:
1667 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
1670 2006-07-30 Eric Christopher <echristo@apple.com>
1673 * doc/extend.texi (i386 Variable Attributes): Add anchor.
1674 (PowerPC Variable Attributes): New section.
1676 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
1678 PR target/28126 (partial fix)
1679 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
1681 2006-07-28 Jan Hubicka <jh@suse.cz>
1683 PR rtl-optimization/28071
1684 * cfgrtl.c (rtl_delete_block): Free regsets.
1685 * flow.c (allocate_bb_life_data): Re-use regsets if available.
1687 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1689 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
1690 and variables used in dependencies.
1692 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
1694 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
1695 %fs for -mcmodel=kernel.
1696 (stack_tls_protect_test_di): Likewise.
1698 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
1700 * Makefile.in: Use mkinstalldirs.
1702 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
1705 * opts-common.c (prune_options): Skip joined switches.
1707 2006-07-27 Jan Hubicka <jh@suse.cz>
1709 PR rtl-optimization/28071
1710 * cselib.c (cselib_process_insn): Don't remove useless values too
1711 often for very large hashtables.
1713 2006-07-27 Jan Hubicka <jh@suse.cz>
1715 PR rtl-optimization/28071
1716 * global.c (greg_obstack): New obstack.
1717 (allocate_bb_info): Use it.
1718 (free_bb_info): Likewise.
1719 (modify_reg_pav): Likewise.
1721 2006-07-27 Roger Sayle <roger@eyesopen.com>
1723 * builtins.c (fold_fixed_mathfn): When long and long long are the
1724 same size, canonicalize llceil*, llfloor*, llround* and llrint*
1725 functions to their lceil*, lfloor*, lround* and lrint* forms.
1727 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1730 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
1732 (rev_branch_insn): Likewise.
1734 2006-07-27 Jan Hubicka <jh@suse.cz>
1736 PR rtl-optimization/28071
1737 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
1738 (reg_set_in_bb, max_reg_computed): New static variables.
1739 (regmove_optimize): Free the new array.
1740 (fixup_match_1): Update call of reg_is_remote_constant_p.
1742 2006-07-26 Jan Hubicka <jh@suse.cz>
1744 PR tree-optimization/27882
1745 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
1747 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
1749 (cgraph_analyze_compilation_unit): Likewise.
1750 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
1751 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
1752 (cgraph_early_inlinine): Make order garbage collected.
1753 * Makefile.in (gt-ipa-inline): New garbagecollected file.
1755 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1757 * dbxout.c (output_types_sort): Add a comment.
1758 (output_used_types): Free the VEC.
1760 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1762 * function.c (reorder_fix_fragments): Delete.
1763 (reorder_blocks): Don't call it.
1764 (reorder_blocks_1): Put all subblocks under the origin block.
1766 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
1768 PR rtl-optimization/27907
1769 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
1772 2006-07-25 Roger Sayle <roger@eyesopen.com>
1775 * convert.c (convert_to_integer): When transforming (T)foo(x) into
1776 bar(x) check that bar's result type can represent all the values of T.
1778 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
1780 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
1782 2006-07-25 Nick Clifton <nickc@redhat.com>
1784 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
1785 size_lookup[] array.
1786 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
1787 (ggc_pch_count_object): Likewise.
1788 (ggc_pch_alloc_object): Likewise.
1789 (ggc_pch_write_object): Likewise.
1790 (init_ggc): Do not attempt to initialize entries in the
1791 size_lookup[] array for objects whose size is greater than than
1792 the length of the array.
1794 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
1796 * dbxout.c (output_used_types_helper): Push queued types
1798 (output_types_sort): New.
1799 (output_used_types): Collect used types on a VEC and sort them
1802 2006-07-24 Richard Guenther <rguenther@suse.de>
1805 * cgraph.c (cgraph_remove_node): Do not check if dumps
1807 * cgraphunit.c (cgraph_optimize): Likewise.
1809 2006-07-24 Jan Hubicka <jh@suse.cz>
1811 PR rtl-optimization/28071
1812 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
1813 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
1814 splitting before first stmt.
1816 2006-07-24 Jan Hubicka <jh@suse.cz>
1818 PR rtl-optimization/28071
1819 * ipa-inline.c (update_caller_keys): Remove edges that
1820 are no longer inline candidates.
1822 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
1825 * dbxout.c (output_used_types_helper, output_used_types): New.
1826 (dbxout_symbol): Call output_used_types.
1828 2006-07-23 Jan Hubicka <jh@suse.cz>
1832 * cgraph.c (cgraph_varpool_nodes): Export.
1833 (decide_is_variable_needed): Ignored "used" attribute in
1834 unit-at-a-time mode.
1835 * cgraph.h (cgraph_varpool_nodes): Declare.
1836 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
1837 unit-at-a-time mode.
1839 2006-07-23 Roger Sayle <roger@eyesopen.com>
1842 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
1843 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
1844 the __gthrw form of thr_keycreate.
1845 (__gthread_key_delete): Silence the unused argument warning.
1847 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
1850 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
1851 Cache the last found '\0' marker to avoid quadratic behavior.
1853 2006-07-23 Jan Hubicka <jh@suse.cz>
1855 * i386.md (subsi_3_zext): Fix output template.
1857 2006-07-21 Mike Stump <mrs@apple.com>
1859 * doc/invoke.texi (C++ Dialect Options): Note that
1860 -fvisibility-inlines-hidden doesn't affect explicitly
1861 instantiationed inline methods.
1863 2006-07-20 Roger Sayle <roger@eyesopen.com>
1865 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
1866 if the target assembler is GNU binutils' gas.
1867 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
1868 whether to pass GNU gas or native as command line options.
1870 2006-07-20 Jason Merrill <jason@redhat.com>
1872 * tree.c (remove_attribute): New fn.
1873 * tree.h: Declare it.
1875 2006-07-20 Paul Brook <paul@codesourcery.com>
1878 * cse.c (cse_insn): Add destination addresses to hash table. Check if
1879 they are invalidated by this instruction.
1881 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
1884 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
1886 2006-07-20 Eric Christopher <echristo@apple.com>
1889 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
1891 2006-07-19 Eric Christopher <echristo@apple.com>
1893 * config/t-slibgcc-darwin (stmp-lipo): Remove.
1894 Rewrite dependencies for libgcc_s.1.dylib.
1896 2006-07-19 Jakub Jelinek <jakub@redhat.com>
1898 * except.c (duplicate_eh_regions_1): Clear next_peer.
1900 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
1902 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
1903 -mlongcall does not guarantee all calls will be long.
1904 * doc/extend.texi (long_call/short_call): Document that longcall
1905 does not guarantee a long call will be used.
1906 (longcall/shortcall): Likewise.
1908 2006-07-18 Roger Sayle <roger@eyesopen.com>
1911 * expmed.c (expand_shift): Additionally check that the shift_cost
1912 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
1913 before implementing a LSHIFT_EXPR as a sequence of additions.
1914 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
1915 middle-end that DImode shifts need to be synthesized by expand.
1917 2006-07-18 Diego Novillo <dnovillo@redhat.com>
1920 * tree-ssa-operands.c (access_can_touch_variable): Update
1922 Return true if ALIAS is .GLOBAL_VAR.
1924 2006-07-18 David Daney <ddaney@avtrex.com>
1926 * gcc.c (display_help): Fix typo in help text.
1928 2006-07-18 Olivier Hainque <hainque@adacore.com>
1930 * tree.h (categorize_ctor_elements): Adjust prototype and add
1931 descriptive comment, both in accordance with the interface change
1933 * varasm.c (constructor_static_from_elts_p): New function.
1934 Whether a constructor node is a valid static constant initializer
1935 if all its elements are.
1936 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
1937 * output.h: Declare it.
1938 * expr.c (categorize_ctor_elements_1): Return whether the constructor
1939 is a valid constant initializer instead of computing the number of
1940 non-constant elements. Use constructor_static_from_elts_p for this
1941 purpose. Replace the head comment with an indication that this is a
1942 helper for categorize_ctor_elements.
1943 (categorize_ctor_elements): Same interface change as for the _1
1944 helper. Former head comment from this helper moved here, adjusted to
1945 account for the interface changes.
1946 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
1947 (all_zeros_p): Likewise.
1948 * gimplify.c (gimplify_init_constructor): Decide whether we can make
1949 static versions of the constructor from the categorize_ctor_elements
1950 return value instead of the formerly computed number of non-constant
1953 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
1955 * configure: Regenerate.
1956 * Makefile.in (build_libsubdir): New configure substitution
1957 (build_libobjdir): New variable.
1958 (BUILD_LIBIBERTY): Use it.
1960 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1963 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
1965 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
1968 * c-common.c (handle_weakref_attribute): Ignore attribute in
1969 the same conditions the alias attribute is ignored.
1971 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
1973 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
1974 (dbxout_begin_prologue): Increment scope_labelno.
1976 2006-07-17 Richard Henderson <rth@redhat.com>
1979 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
1982 2006-07-17 Roger Sayle <roger@eyesopen.com>
1983 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1985 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
1986 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
1987 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
1988 functions such as sbrk, write, etc.. Add function prototypes.
1989 Convert function declarations from K&R to ISO C. Cast pointers
1990 to "long" and "unsigned long" instead of "int" and "unsigned int".
1991 Convert tokens following #endif into comments.
1993 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
1995 * invoke.texi: Remove mention of f77; Reformat table for
1996 inline parameter options correctly; mention that -malign-double
1997 is default on x86-64 targets.
1999 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
2001 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
2002 (convert_affine_scev, chrec_convert_aggressive): Use
2003 avoid_arithmetics_in_type_p. Do not check for the subtypes
2006 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2009 * optabs.c (expand_doubleword_shift): Wrap the call to
2010 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
2012 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2015 * optabs.c (expand_binop): Pass next_methods rather than methods
2016 to expand_doubleword_shift.
2018 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
2021 * tree.h (dump_addr): Declare.
2022 * print-tree.c (dump_addr): New function.
2023 (print_node_brief, print_node): Use it.
2024 * print-rtl.c (print_rtx): Likewise.
2025 * common.opt (-fdump-noaddr): New option.
2026 * doc/invoke.texi (-fdump-noaddr): Document.
2027 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
2028 (ve_info_hash): Likewise.
2030 2006-07-13 Andrew Haley <aph@redhat.com>
2032 PR tree-optimization/19505
2033 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
2034 edge leaving this block, make sure that the destination of this
2035 block has only one predecessor.
2037 2006-07-17 Richard Guenther <rguenther@suse.de>
2039 PR tree-optimization/28238
2040 * tree-inline.c (copy_bb): Check if we produced valid
2041 gimple copying and substituting a stmt. If not, gimplify
2044 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
2046 * optabs.c (maybe_encapsulate_block): New function extracted from...
2047 (emit_libcall_block): ...here. Invoke it on the block of insns to
2048 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
2049 (emit_no_conflict_block): Likewise.
2051 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
2053 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
2055 2006-07-15 Roger Sayle <roger@eyesopen.com>
2057 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
2058 a new NOP_EXPR case of the switch statement.
2060 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
2063 * stor-layout.c (place_field): Take the bit field with
2064 an excessive size into account in the ms-bitfiled case.
2067 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
2068 the previous bit field.
2070 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
2073 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
2075 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
2077 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
2078 signal frames correctly even when the signal was installed with
2081 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
2083 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
2084 (dbxout_function_end): Use local label LFBB. Remove hook
2086 (dbxout_source_line): Use local label LFBB.
2087 (dbxout_block): Likewise.
2088 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
2089 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
2090 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
2091 and DBX_OUTPUT_NFUN.
2093 2006-07-13 Janis Johnson <janis187@us.ibm.com>
2095 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
2097 2006-07-13 Jan Hubicka <jh@suse.cz>
2099 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
2101 * output.h (align_variable): Declare.
2102 * varasm.c (align_variable): Export.
2103 * value-prof.c (tree_value_profile_transformations): Recompute iterator
2104 when basic block changed.
2106 2006-07-13 Nick Clifton <nickc@redhat.com>
2108 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
2109 walking the LOG_LINKS chain.
2111 2006-07-12 Geoffrey Keating <geoffk@apple.com>
2113 * doc/invoke.texi (C++ Dialect Options): Explain difference
2114 between -fvisibility-inlines-hidden and setting hidden
2115 visibility explicitly.
2117 2006-07-12 Eric Christopher <echristo@apple.com>
2119 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
2120 (stmp-lipo): Depend on libgcc.a.
2122 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
2124 * tree.c: Fix a comment typo.
2126 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
2128 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
2130 (umulhisi3_r): Likewise.
2132 2006-07-12 Paolo Carlini <pcarlini@suse.de>
2135 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
2136 x < 19, vs wchar_t support.
2138 2006-07-12 Nick Clifton <nickc@redhat.com>
2140 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
2141 instead of -isa=sh4.
2143 2006-07-12 Mike Stump <mrs@apple.com>
2145 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
2147 2006-07-10 Eric Christopher <echristo@apple.com>
2149 * config/t-slibgcc-darwin: Rewrite.
2151 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2154 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
2157 2006-07-08 Matthias Klose <doko@debian.org>
2159 * doc/sourcebuild.texi: Fix typo.
2161 2006-07-07 Mike Stump <mrs@apple.com>
2163 * toplev.c (process_options): Don't give -ffunction-sections may
2164 affect debugging warning for Mach-O.
2166 2006-07-07 James E Wilson <wilson@specifix.com>
2168 * config/mips/mips.md (cpu): Add sb1a.
2169 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
2170 addition to sb1. Adjust comments to clarify SB-1A differences from
2172 (ir_sb1a_load): New. Modify bypasses to use it.
2173 (ir_sb1a_simple_alu): Likewise.
2174 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
2175 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
2176 (mips_issue_rate): Add PROCESSOR_SB1A.
2177 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
2178 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
2179 (TARGET_SB1): Add PROCESSOR_SB1A check.
2180 (TUNE_SB1): Likewise.
2182 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
2183 * config/mips/mips.c (mips_store_data_bypass_p): New.
2184 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
2185 store_data_bypass_p.
2187 2006-07-08 Paul Brook <paul@codesourcery.com>
2190 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
2192 2006-07-07 Richard Guenther <rguenther@suse.de>
2195 * tree.h (build_one_cst): Declare.
2196 * tree.c (build_one_cst): New function.
2197 * tree-ssa-math-opts.c (get_constant_one): Remove.
2198 (insert_reciprocals): Use build_one_cst.
2199 * fold-const.c (fold_plusminus_mult): Likewise.
2201 2006-07-07 Roger Sayle <roger@eyesopen.com>
2203 * pointer-set.c (pointer_set_destroy): Correct whitespace.
2204 * cfgloopanal.c (dump_graph): Likewise.
2205 * dojump.c (discard_pending_stack_adjust): Likewise.
2206 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
2208 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
2209 * function.c (finalize_block_changes): Likewise.
2210 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
2211 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
2212 * rtl.c (dump_rtx_statistics): Likewise.
2213 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
2215 * varray.c (dump_varray_statistics): Likewise.
2216 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
2217 decode_decimal64, encode_decimal128, decode_decimal128,
2218 decimal_real_to_decimal): Likewise.
2220 2006-07-07 Richard Guenther <rguenther@suse.de>
2222 PR tree-optimization/28187
2223 * tree-vrp.c (vrp_operand_equal_p): New function.
2224 (vrp_bitmap_equal_p): Likewise.
2225 (update_value_range): Use them to compare old and new
2228 2006-07-06 Roger Sayle <roger@eyesopen.com>
2230 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
2231 a default case to switch statement to silence compiler warnings.
2233 2006-07-06 Roger Sayle <roger@eyesopen.com>
2236 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
2237 the configured assembler supports the x87's ffreep mnemonic.
2238 * configure: Regenerate.
2239 * config.in: Regenerate.
2241 * config/i386/i386.c (output_387_ffreep): New function.
2242 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
2243 (output_387_reg_move): Likewise.
2245 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
2247 Port to hosts whose 'sort' and 'tail' implementations
2248 treat operands with leading '+' as file names, as POSIX
2249 has required since 2001. However, make sure the code still
2250 works on pre-POSIX hosts.
2251 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
2252 which says you should use "tail -c +N" rather than "tail +Nc".
2253 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
2255 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
2257 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
2260 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2263 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
2264 PRE_{INC,DEC} of TFmode.
2266 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2267 Alan Modra <amodra@bigpond.net.au>
2270 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
2273 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2276 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
2277 Remove duplicate gtu.
2279 2006-07-05 Jason Merrill <jason@redhat.com>
2283 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
2284 * c-common.c (handle_packed_attribute): So don't copy it here.
2285 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
2287 2006-07-05 Mike Stump <mrs@apple.com>
2289 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
2291 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
2294 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
2296 2006-07-05 Richard Guenther <rguenther@suse.de>
2299 * config/i386/i386.md (*negdf2_1): Restrict pattern to
2300 TARGET_SSE2 targets if using SSE math.
2301 (*absdf2_1): Likewise.
2303 2006-07-05 Richard Guenther <rguenther@suse.de>
2305 PR tree-optimization/28162
2306 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
2307 make sure to convert the operands to the correct type.
2309 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
2311 PR tree-optimization/28218
2313 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
2314 to calculate and free the dominator information.
2316 2006-07-04 Peter O'Gorman <peter@pogma.com>
2318 * mklibgcc.in: chmod 644 before ranlib during install.
2320 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2321 J"orn Rennecke <joern.rennecke@st.com>
2323 * configure.ac (.eh_frame data check): Use diff -b.
2325 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2328 * Makefile.in (BUILD_RTL): Add build/vec.o.
2329 (build/gencondmd.o): Filter out -fkeep-inline-functions.
2330 (build/genextract): Delete.
2331 (build/genautomata): Likewise.
2333 2006-07-04 Alan Modra <amodra@bigpond.net.au>
2336 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
2337 128-bit IBM long doubles for ABI_V4.
2339 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
2341 * tree.c (range_in_array_bounds_p): New predicate.
2342 * tree.h (range_in_array_bounds_p): Declare it.
2343 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
2344 return a less conservative answer.
2345 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
2346 and flag 'is_group'.
2347 (IS_ELEMENT_FOR_GROUP): New macro.
2348 (FOR_EACH_ACTUAL_CHILD): Likewise.
2349 (next_child_for_group): New helper function.
2350 (can_completely_scalarize_p): Take into account groups.
2351 (sra_hash_tree): Handle RANGE_EXPR.
2352 (sra_elt_eq): Likewise.
2353 (lookup_element): Be prepared for handling groups.
2354 (is_valid_const_index): Delete.
2355 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
2356 instead of is_valid_const_index.
2357 <ARRAY_RANGE_REF>: New case.
2358 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
2359 is_valid_const_index.
2360 <ARRAY_RANGE_REF>: Do not unconditionally punt.
2361 (scan_dump): Dump info for groups too.
2362 (decide_instantiation_1): Likewise.
2363 (decide_block_copy): Assert that the element is not a group.
2364 Propagate decision to groups.
2365 (generate_one_element_ref): Handle RANGE_EXPR.
2366 (mark_no_warning): Iterate over actual childs.
2367 (generate_copy_inout): Likewise.
2368 (generate_element_copy): Likewise.
2369 (generate_element_zero): Likewise.
2370 (generate_element_init_1): Likewise.
2371 (dump_sra_elt_name): Handle RANGE_EXPR.
2373 2006-07-03 Roger Sayle <roger@eyesopen.com>
2375 PR tree-optimization/26251
2376 * tree-ssa-threadupdate.c (redirection_block_p): New function.
2377 (thread_block): When optimizing for size refuse to thread jumps
2378 that would require duplication of blocks other than redirection
2381 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2383 * configure.ac: Fix thinko in previous check-in.
2384 * configure: Regenerate.
2386 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2389 * configure.ac (for lang...): Simplify nesting of conditionals.
2390 Test subdir_requires for non-enabled languages. Move processing
2391 of lang_opt_files and lang_tree_fiels below that test.
2392 * configure: Regenerate.
2393 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
2395 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
2397 * doc/gcov.texi (Invoking Gcov): Add a missing word.
2399 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
2401 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
2404 2006-06-29 Jason Merrill <jason@redhat.com>
2411 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
2412 * c-common.c (c_determine_visibility): Handle it here.
2413 * c-decl.c (finish_decl): Call c_determine_visibility for
2415 * flags.h (enum symbol_visibility): Sort from most to least visibility.
2417 * varasm.c (default_assemble_visibility): Likewise.
2418 * c-common.c (handle_visibility_attribute): Complain about trying
2419 to give visibility to an already defined class, or trying to change
2420 declared visibility. Always attach the attribute.
2425 * attribs.c (decl_attributes): Ignore type-in-place attributes
2426 once the type has been defined.
2428 2006-06-29 Roger Sayle <roger@eyesopen.com>
2431 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
2432 to indicate the cpplib has issued an error message for us.
2434 2006-06-29 Asher Langton <langton2@llnl.gov>
2437 * config/i386/i386.c (ix86_output_function_epilogue): Don't
2438 insert a label at the end of an function under Mach-O.
2440 2006-06-29 Eric Christopher <echristo@apple.com>
2441 Evan Cheng <evan.cheng@apple.com>
2443 * predicates.md (vector_all_ones_operand): New.
2444 (nonimmediate_or_sse_const_operand): Ditto.
2445 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
2446 * config/i386/i386.c (standard_sse_constant_opcode): Define.
2447 (standard_sse_mode_p): Ditto.
2448 (standard_sse_constant_p): Add case for -1 vector.
2449 (ix86_expand_vector_move): Try to use.
2450 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
2451 Call standard_sse_constant_opcode.
2452 (*movv4sf_internal): Ditto.
2453 (*movv2df_internal): Ditto.
2455 2006-06-29 Roger Sayle <roger@eyesopen.com>
2457 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
2458 of XEXP to extract the operands of a MATCH_CODE rtx.
2460 2006-06-28 Andrew Pinski <pinskia@gmail.com>
2462 * tree.c (tree_size): Do not waste tail padding in
2463 struct tree_string and make the size be the same as
2464 build_string will generate.
2466 2006-06-28 Jason Merrill <jason@redhat.com>
2469 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
2470 may_aliases already in the tag's annotations to the bitmap.
2472 2006-06-28 Roger Sayle <roger@eyesopen.com>
2474 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
2476 2006-06-28 Roger Sayle <roger@eyesopen.com>
2478 * genpreds.c (generate_switch_p): New function.
2479 (add_mode_tests): Push the new mode test down inside an AND expr
2480 if this allows the switch-suitable MATCH_CODE to be near the root.
2481 (write_match_code_switch): New function to write a MATCH_CODE as
2483 (write_predicate_stmts): New function to write a predicate RTX
2484 expression as a sequence of statements.
2485 (write_one_predicate_function): Use write_predicate_stmts.
2486 (write_tm_constrs_h): Likewise.
2488 2006-06-26 Fred Fish <fnf@specifix.com>
2490 * config/mips/t-sb1: New file.
2491 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
2494 2006-06-26 DJ Delorie <dj@redhat.com>
2496 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
2498 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
2499 Jayant Sonar <jayants@kpitcummins.com>
2500 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
2502 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
2503 (subsi3, subsi3_1, subsi3_2): New.
2504 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
2505 * config/m32c/mov.md (SI mov peephole): New.
2506 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
2507 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
2509 2006-06-26 Olivier Hainque <hainque@adacore.com>
2511 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
2512 a CALL_EXPR target function declaration.
2514 2006-06-26 Richard Guenther <rguenther@suse.de>
2516 * tree.c (build_string): Do not waste tail padding in
2519 2006-06-26 Richard Guenther <rguenther@suse.de>
2521 * ggc-page.c (init_ggc): Add missing element to size_lookup
2525 2006-06-23 Richard Guenther <rguenther@suse.de>
2527 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2528 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2529 alignment requests instead. Add verification code.
2530 Add struct tree_function_decl and struct tree_binfo size to
2531 extra_order_size_table. Add missing element to size_lookup
2534 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
2537 * fold-const.c (const_binop): Be prepared for self returning zero.
2538 Simplify code handling complex values.
2540 2006-06-24 Olivier Hainque <hainque@adacore.com>
2542 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
2543 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
2546 2006-06-24 Olivier Hainque <hainque@adacore.com>
2548 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
2549 ARRAY_REF, so have the callback called for the low bound expression.
2551 2006-06-23 Janis Johnson <janis187@us.ibm.com>
2553 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
2554 * c-typeck.c (c_common_type): Disallow operations on decimal float
2555 types and other float types.
2556 * convert.c (convert_to_real): Don't ignore conversions involving
2557 decimal float types.
2559 2006-06-23 Olivier Hainque <hainque@adacore.com>
2561 * tree.c (max_int_size_in_bytes): New function, inspired from
2562 code in function.c:assign_temp.
2563 * tree.h (max_int_size_in_bytes): Declare.
2564 * function.c (assign_temp): Use it.
2565 * gimplify.c (create_tmp_var): Relax the assertions on the type
2566 properties, not mandating constant size any more.
2567 (force_constant_size): New static function.
2568 (gimple_add_tmp_var): Use it, forcing variable size to a
2569 constant upper bound if it is not constant on entry.
2571 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
2574 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
2575 for initialization and setting of one_only flag to ...
2576 (i386_pe_encode_section_info): ...here.
2577 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
2578 Recheck that the symbol has not been defined.
2580 2006-06-23 Richard Guenther <rguenther@suse.de>
2582 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2583 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2584 alignment requests instead. Add verification code.
2585 Add struct tree_function_decl and struct tree_binfo size to
2586 extra_order_size_table. Add missing element to size_lookup
2589 2006-06-22 Roger Sayle <roger@eyesopen.com>
2590 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2593 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
2594 call to lang_hooks.types.type_for_mode returned NULL_TREE.
2596 2006-06-23 Ben Elliston <bje@au.ibm.com>
2598 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
2599 negate dn -- manipulate it directly.
2601 2006-06-22 Roger Sayle <roger@eyesopen.com>
2602 Steven Bosscher <stevenb.gcc@gmail.com>
2605 * reload1.c (gen_reload): Call mark_jump_label on the new insns
2606 generated by gen_move_insn to add REG_LABEL notes if necessary.
2608 2006-06-22 Bob Wilson <bob.wilson@acm.org>
2610 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
2611 (leaf_entry): Remove use of MIN_ESA.
2613 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
2615 PR rtl-optimization/28121
2616 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
2619 2006-06-21 DJ Delorie <dj@redhat.com>
2621 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
2623 (mulhisi3_r): Likewise.
2625 2006-06-21 Richard Sandiford <richard@codesourcery.com>
2628 * coverage.c (coverage_counter_alloc): Leave the index type
2630 (coverage_counter_alloc): Use null arguments for operands 2 and 3
2633 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
2635 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
2636 section from the "Options for Code Generation Conventions".
2638 2006-06-21 Richard Henderson <rth@redhat.com>
2642 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
2644 (global_symbolic_operand): Allow weak symbols, even if local_p.
2646 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
2648 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
2649 (find_interesting_uses_address): Punt if above function returns true.
2651 2006-06-21 Richard Guenther <rguenther@suse.de>
2653 * configure: Regenerated.
2655 2006-06-21 Joseph Myers <joseph@codesourcery.com>
2657 * config/mips/mips.c (function_arg): Where one part of a
2658 complex argument is in registers and the other part in the stack,
2659 return a REG not a PARALLEL.
2661 2006-06-21 Mark Mitchell <mark@codesourcery.com>
2663 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
2664 when cross-compiling. Do not substitute libstdcxx_incdir.
2665 * configure: Regenerated.
2667 2006-06-21 Jakub Jelinek <jakub@redhat.com>
2669 * varasm.c (mergeable_string_section): Check for embedded NULs and
2670 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
2671 rather than TREE_STRING_LENGTH bytes.
2673 2006-06-21 Richard Guenther <rguenther@suse.de>
2675 * ggc-page.c (extra_order_size_table): Add var_ann_d,
2676 tree_ssa_name, bitmap_element and phi_node with 4 arguments
2679 2006-06-21 Richrad Guenther <rguenther@suse.de>
2681 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
2682 Limit iteration over the dominators.
2684 2006-06-20 Roger Sayle <roger@eyesopen.com>
2686 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
2687 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
2689 2006-06-20 Richard Guenther <rguenther@suse.de>
2690 Michael Matz <matz@suse.de>
2692 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
2694 * alloc-pool.c (free_alloc_pool_if_empty): New function.
2695 * et-forest.h (et_free_pools): Prototype new function.
2696 * et-forest.c (et_free_tree_force): Free parent occurrence.
2697 (et_free_pools): New function.
2698 * dominance.c (free_dominance_info): Free et-forest alloc
2701 2006-06-20 Roger Sayle <roger@eyesopen.com>
2703 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
2704 integer modes, attempt to directly construct an integer constant.
2706 * fold-const.c (native_encode_vector): Determine the size of each
2707 element from the vector type instead of the first vector element.
2709 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
2710 if all of its elements/components are constant.
2711 (build_constructor_from_list): Likewise.
2713 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
2715 PR tree-optimization/27331
2716 * tree-data-ref.c (free_data_ref): New function.
2717 (create_data_ref): Fail if the data reference has unknown access
2719 (free_data_refs): Use free_data_ref.
2721 2006-06-19 Andrew Pinski <pinskia@gmail.com>
2724 * tree-inline.c (setup_one_parameter): Strip useless
2725 type conversion before adding it to the IR.
2726 (declare_return_variable): Likewise.
2728 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
2731 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
2733 2006-06-19 Mike Stump <mrs@apple.com>
2735 * tree.c (variably_modified_type_p): VM arguments don't make the
2738 2006-06-19 Richard Guenther <rguenther@suse.de>
2740 * tree-ssa-pre.c (try_combine_conversion): Strip useless
2741 type conversions after folding.
2743 2006-06-19 Richard Guenther <rguenther@suse.de>
2745 * ggc-page.c (extra_order_size_tab): Add entries with
2746 size of struct function and basic_block.
2747 (size_lookup): Extend to cover sizes up to 511.
2748 (ggc_alloc_stat): Adjust user.
2749 (ggc_pch_count_object): Likewise.
2750 (ggc_pch_alloc_object): Likewise.
2751 (ggc_pch_write_object): Likewise.
2753 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
2755 * tree-ssa-loop-niter.c (implies_ge_p): New function.
2756 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
2759 2006-06-19 Denis Chertykov <denisc@overta.ru>
2761 * config/avr/libgcc.S : Correct my wrong previous commit.
2763 2006-06-19 Roger Sayle <roger@eyesopen.com>
2766 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
2767 have stripped a SUBREG from the shift count, so we may need to
2768 convert_to_mode back to the type's mode before calling make_tree.
2769 Use new_amount instead of amount to avoid expanding a tree twice.
2771 2006-06-19 Richard Guenther <rguenther@suse.de>
2774 * fold-const.c (operand_equal_p): Check if the argument types
2775 have the same precision before stripping NOPs.
2777 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
2779 Fix PR tree-optimization/27341
2780 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
2782 * tree-complex.c (pass_lower_complex): Update SMT usage.
2784 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
2786 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
2787 Add a new alternative to the constraint strings. Add move of
2788 operand 1 to 3 to the splitter definition.
2789 ("doloop_si_long"): Second contraint alternative removed.
2791 2006-06-08 Anatoly Sokolov <aesok@post.ru>
2793 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
2794 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
2796 (AVR_HAVE_MOVW) Define.
2797 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
2798 (ASM_SPEC): Add avr25.
2799 (LINK_SPEC): Add avr25.
2800 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
2801 (base_arch_s): Add new member 'have_movw_lpmx'.
2802 (avr_arch_types): Init 'have_movw_lpmx'.
2803 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
2804 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
2805 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
2806 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
2807 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
2809 (avr_file_start): Do not output '.arh' derective.
2810 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
2811 (__do_copy_data): Use __AVR_HAVE_LPMX__.
2812 * config/avr/avr.md (mcu_enhanced): Delete.
2813 (mcu_have_movw): Define.
2814 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
2815 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
2816 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
2817 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
2818 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
2819 attiny861 and at86rf401 devices.
2821 2006-06-18 Jie Zhang <jie.zhang@analog.com>
2823 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
2826 2006-06-17 Karl Berry <karl@gnu.org>
2828 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
2829 doc/gccint.texi, doc/install.texi (@dircategory): Use
2830 "Software development" instead of "Programming", following
2831 the Free Software Directory.
2833 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
2835 * config/i386/i386.c (legitimate_tls_address)
2836 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
2837 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
2838 (*tls_dynamic_gnu2_combine_64): Likewise.
2840 2006-06-16 Richard Guenther <rguenther@suse.de>
2843 * fold-const.c (negate_expr_p): Do not introduce undefined
2844 overflow in negating INTEGER_CSTs.
2845 (fold_negate_expr): Rename from negate_expr. Revert last
2846 change for folding BIT_NOT_EXPR. Change semantics to
2847 return NULL_TREE for non-simplified negations. Do not
2848 strip type conversions and unify type handling.
2849 (negate_expr): New function, wrap around fold_negate_expr
2850 but ensure building a tree always. Strip type conversions
2851 here, fold to result type.
2852 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
2854 2006-06-16 Roger Sayle <roger@eyesopen.com>
2857 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
2858 that (would) return their results in stack registers.
2860 2006-06-16 Michael Matz <matz@suse.de>
2861 Richard Guenther <rguenther@suse.de>
2863 * fold-const.c (fold_truthop): Only return new tree node if
2864 we canonicalized something.
2866 2006-06-16 Richard Guenther <rguenther@suse.de>
2868 * function.h (enum function_frequency): Move declaration
2869 out of struct function.
2870 (struct function): Move bool fields and the enum to the bitfield
2871 section. Reorder elements to avoid padding. Remove unused
2872 fields left over from the RTL inliner removal.
2873 * function.c (free_after_compilation): Do not zero removed fields.
2874 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
2875 (ipa-type-escape.o): Likewise.
2877 2006-06-16 Richard Guenther <rguenther@suse.de>
2879 * cgraph.h (struct cgraph_local_info): Turn bool elements
2881 (struct cgraph_node): Likewise.
2882 (struct cgraph_varpool_node): Likewise.
2884 2006-06-15 Richard Guenther <rguenther@suse.de>
2886 * fold-const.c (fold_truth_not_expr): Rename from
2887 invert_truthvalue. Give it fold_* semantics to avoid
2889 (invert_truthvalue): New function. Wrapper around
2890 fold_truth_not_expr.
2891 (optimize_minmax_comparison): Avoid creating garbage.
2892 (fold_unary): Use fold_truth_not_expr for folding
2894 (fold_ternary): Replace uses of invert_truthvalue with
2895 fold_truth_not_expr where applicable.
2896 * tree.h (fold_truth_not_expr): Prototype.
2898 2006-06-16 Richard Guenther <rguenther@suse.de>
2900 PR tree-optimization/27781
2901 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
2902 * ipa-pure-const.c (target.h): Include.
2903 (analyze_function): Do not analyze functions that do not
2906 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
2909 * tree-dfa.c (referenced_vars_dup_list): Remove.
2910 (find_referenced_vars): Remove assert.
2911 (referenced_var_check_and_insert): Replace dup list with assert.
2912 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
2913 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
2915 2006-06-15 Richard Guenther <rguenther@suse.de>
2917 * tree-ssa-structalias.c (alias_get_name): Avoid creating
2918 extra unused identifiers if not dumping.
2919 (create_variable_info_for): Likewise.
2921 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
2923 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
2924 (derive_constant_upper_bound): Derive more precise upper bound in
2925 common cases. Return type changed to double_int.
2926 (record_estimate): Reflect the changed return type of
2927 derive_constant_upper_bound.
2928 * double-int.c (double_int_zext, double_int_sext): Fix.
2930 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
2932 * configure.ac (CFLAGS): Get them from the toplevel or from the
2933 configure invocation.
2934 * configure: Regenerate.
2935 * Makefile.in (CFLAGS): Substitute value provided by configure.
2937 2006-06-14 Mark Mitchell <mark@codesourcery.com>
2940 * c-common.h (c_finish_omp_atomic): Adjust declaration.
2941 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
2942 rather than calling add_stmt on it.
2943 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
2945 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
2948 * reload1.c (reload): Remove registers returned by update_eliminables
2949 from used_spill_regs.
2951 2006-06-13 DJ Delorie <dj@redhat.com>
2953 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
2955 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
2957 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
2958 html__strip_dir, html__mkdir_p. Enhance install-html target.
2959 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
2960 * configure: Regenerate.
2962 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
2964 * fold-const.c (fold_cond_expr_with_comparison): Check for
2965 Objective-C++ as language in deciding COND_EXPR transformation.
2967 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
2970 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
2971 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
2972 * config/sh/lib1funcs.h (SL, SL1): Define.
2973 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
2974 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
2975 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
2976 (OBJS_Os_4_200): New variable.
2977 ($(T)libgcc-Os-4-200.a): Use it.
2978 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
2979 when dividing 1 and/or by 0.
2981 2006-06-13 Roger Sayle <roger@eyesopen.com>
2983 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
2984 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
2985 * configure: Regenerate.
2987 2006-06-13 Jie Zhang <jie.zhang@analog.com>
2989 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
2990 for real instruction.
2992 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2995 * haifa-sched.c (check_cfg): Handle special case.
2997 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
3000 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
3001 Add debug_info parameter. Chain the vars to the BLOCK instead
3002 of the BIND_EXPR if debug info are requested for them.
3003 (pop_gimplify_context): Adjust for above change.
3004 (gimple_add_tmp_var): Likewise.
3005 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
3007 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
3008 (convert_local_reference): Likewise.
3009 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
3010 (finalize_nesting_tree_1): Request that debug info be emitted
3011 for debug_var_chain.
3013 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3015 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
3016 for PR target/27863.
3018 2006-06-13 Richard Guenther <rguenther@suse.de>
3021 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
3023 2006-06-13 Richard Guenther <rguenther@suse.de>
3025 PR tree-optimization/27830
3026 * tree-inline.c (copy_body_r): For copying the operand
3027 of an ADDR_EXPR make sure to fold &* afterwards.
3029 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
3031 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
3032 lvalues in the fb_none case with side-effects.
3034 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
3036 * tree-flow.h: Remove the prototype for
3037 compute_phi_arg_on_exit.
3038 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
3039 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
3042 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
3044 * builtins.c (expand_builtin_return_addr): Only use
3045 frame_pointer_rtx when count == 0 and we are expanding
3046 __builtin_return_address.
3048 2006-06-12 Fred Fish <fnf@specifix.com>
3050 * config/mips/mips.c (mips_file_start): Create special section
3051 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
3053 2006-06-11 Eric Christopher <echristo@apple.com>
3056 * stor-layout.c (place_field): Remove check for
3057 remaining_in_alignment when aligning at the end of a run.
3059 2006-06-11 Eric Christopher <echristo@apple.com>
3062 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
3065 2006-06-11 Roger Sayle <roger@eyesopen.com>
3068 Revert incorrect fix for PR target/27158
3069 2006-05-08 Roger Sayle <roger@eyesopen.com>
3070 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3071 of a reg_equiv_constant if the result is a legitimate constant.
3073 2006-06-11 Roger Sayle <roger@eyesopen.com>
3076 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
3077 extract a CONST_VECTOR element and interpret it as an integer.
3078 (vspltis_constant): Use const_vector_elt_as_int instead of the
3079 macro CONST_VECTOR_ELT in order to handle FP vector modes.
3080 * config/rs6000/predicates.md (easy_vector_const): Consider
3081 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
3083 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
3086 * stor-layout.c (update_alignment_for_field): Don't add extra
3087 alignment for packed non-bitfield fields in ms_bitfield_layout_p
3090 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
3092 * config/mips/t-rtems: Add EL/EB multilib variants.
3094 2006-06-09 Mike Stump <mrs@apple.com>
3096 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
3098 2006-06-09 David Daney <ddaney@avtrex.com>
3100 * doc/install.texi: Add binutils version recommendation for mips-*-*.
3102 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
3104 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
3106 2006-06-09 Richard Guenther <rguenther@suse.de>
3108 PR tree-optimization/26998
3109 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
3110 of signed types, only TYPE_MIN_VALUE is special, but for both,
3111 minimum and maximum value. Likewise VR_ANTI_RANGE is special
3112 in this case, as is -fwrapv.
3114 2006-06-08 Mike Stump <mrs@apple.com>
3117 * config/darwin.c (darwin_asm_output_anchor): Disable
3118 -fsection-anchors on darwin for now.
3119 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
3120 * rs6000/rs6000.c (optimization_options): Likewise.
3122 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3125 * config/i386/i386.c (classify_argument): Skip fields with invalid
3128 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
3130 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
3131 (cse_insn): Likewise for the stack_pointer_rtx.
3133 2006-06-08 Roger Sayle <roger@eyesopen.com>
3135 * tree-ssa-dom.c (record_conditions): Only record "unordered"
3136 conditions from floating point comparisons.
3138 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
3141 * expmed.c (struct alg_hash_entry): Fix type of field T
3142 to match synth_mult argument.
3143 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
3145 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3148 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
3151 2006-06-08 Richard Guenther <rguenther@suse.de>
3154 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
3155 only, if overflow is defined and not trapping.
3156 (negate_expr): Likewise.
3158 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3160 PR tree-optimization/27872
3161 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
3162 flag on the new exit edge of the unrolled loop.
3164 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3166 PR rtl-optimization/26449
3167 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
3169 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
3172 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
3173 referenced_variables with matching DECL_UID's.
3174 (find_referenced_vars): Make sure duplicate list is empty to start.
3175 (referenced_var_p): Remove.
3176 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
3177 Check if var is in the list, and add if needed. Update the duplicate
3178 list if a different var is in the list with the same DECL_UID.
3179 (add_referenced_var): Call routine to check and insert.
3180 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
3181 * tree-flow.h (referenced_vars_dup_list): External declaration.
3183 2006-06-07 Fred Fish <fnf@specifix.com>
3185 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
3188 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
3191 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
3192 the imaginary and real parts of a clobbered register.
3193 Emit insn to set the imaginary part.
3195 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
3197 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
3198 in lieu of unwind-dw2-fde.c.
3200 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3202 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
3204 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
3207 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
3208 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
3209 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
3210 V4SImode temporaries and operations instead.
3212 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
3214 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
3217 2006-06-06 Mike Stump <mrs@apple.com>
3219 * Makefile.in: Rename to htmldir to build_htmldir to avoid
3220 installing during build.
3222 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3224 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
3226 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3227 * config/ia64/ia64.c (params.h): New header.
3228 (ia64_optimization_options): New function to adjust parameters.
3229 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
3230 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
3231 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
3233 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
3235 * stor-layout.c (debug_rli): Fix a typo in a debug message.
3237 2006-06-05 Steve Ellcey <sje@cup.hp.com>
3240 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
3242 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
3243 Victor Kaplansky <victork@il.ibm.com>
3245 PR tree-optimization/26360
3246 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
3249 2006-06-04 Roger Sayle <roger@eyesopen.com>
3250 Andrew Pinski <pinskia@physics.uc.edu>
3253 * c-common.c (c_common_truthvalue_conversion): Explicitly check
3254 for LABEL_DECL before calling DECL_WEAK.
3257 * c-typeck.c (build_binary_op): Likewise, explicitly check for
3258 LABEL_DECL and PARM_DECL.
3260 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
3264 * c-decl.c (grokdeclarator): Disallow variably modified types at
3265 file scope. Avoid marking shared array type of constant size as
3268 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3271 * c-common.c (fold_offsetof_1): Handle static members.
3273 2006-06-04 Eric Christopher <echristo@apple.com>
3275 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
3276 (debug_rli): Output value for remaining_in_alignment.
3277 (update_alignment_for_field): Unconditionalize
3278 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
3279 extra alignment code.
3280 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
3281 ms_bitfield_layout_p code. Rewrite handling of structure fields.
3282 * tree.h (record_layout_info_s): Remove prev_packed.
3283 * doc/extend.texi (ms_struct): Add documentation of format.
3285 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
3287 * tree.h: Declare folding_initializer.
3288 * builtins.c (fold_builtin_constant_p): Give definite answer
3289 if folding inside an initializer.
3290 * fold-const.c: Define folding_initializer.
3291 (START_FOLD_INIT): Save and then set folding_initializer.
3292 (END_FOLD_INIT): Restore folding_initializer.
3294 2006-06-04 Richard Guenther <rguenther@suse.de>
3296 PR tree-optimization/27039
3297 * fold-const.c (fold_comparison): Handle pointer comparison
3298 again for all comparison codes. Compare offsets in signed
3300 (fold_binary): Move code from here.
3302 2006-06-03 Roger Sayle <roger@eyesopen.com>
3305 * config/i386/i386.c (construct_container): Split static issued_error
3306 flag into issued_sse_arg_error, issued_sse_ret_error and
3307 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
3308 requires the use of x87 registers and the user explicitly
3309 specified the -mno-80387 command line option.
3311 2006-06-02 Geoffrey Keating <geoffk@apple.com>
3313 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
3314 HAVE_DECL_SIGALTSTACK.
3316 (segv_handler): Use MC_FLD.
3317 * configure.ac: Check for a sigaltstack declaration.
3318 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
3319 * configure: Regenerate.
3320 * config.in: Regenerate.
3322 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
3325 * Makefile.in (stmp-fixinc): Fix typo.
3327 2006-06-02 Roger Sayle <roger@eyesopen.com>
3329 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
3330 are type correct. Clean-up.
3331 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
3332 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
3334 2006-06-01 DJ Delorie <dj@redhat.com>
3336 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
3337 shift, as we've disabled the "switch" insn that needs it.
3339 2006-06-01 Per Bothner <bothner@bothner.com>
3341 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
3342 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
3343 * c-ppoutput.c (cb_define): Don't increment line 0.
3345 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
3347 * doc/invoke.texi: Add cpu_type power6.
3348 * config.gcc: Add cpu_type power6.
3349 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
3350 to power5+ with Altivec.
3351 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
3352 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
3354 2006-05-30 Anatoly Sokolov <aesok@post.ru>
3356 * config/avr/avr.h (SET_ASM_OP): Define.
3358 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
3360 * config/bfin/bfin.c: Fix comment typos.
3362 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3365 * doc/install.texi: Document --enable-bootstrap and
3366 --disable-bootstrap.
3368 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3370 * doc/install.texi: Document that InfoZIP can replace jar.
3372 2006-05-31 Roger Sayle <roger@eyesopen.com>
3374 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
3375 isn't available, directly generate the simpler x87 patterns without
3376 the (use (const_int 0)).
3377 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
3378 implementation isn't available.
3379 (*negdf2_1): Likewise.
3380 (*negxf2_1): XF mode negation is always done using the x87.
3381 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
3383 2006-05-31 Roger Sayle <roger@eyesopen.com>
3385 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
3386 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
3388 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
3390 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3392 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
3393 * config/bfin/bfin.c (basic-block.h): Include.
3394 (struct machine_function): New.
3395 (bfin_init_machine_status): New.
3396 (override_options): Initialize init_machine_status.
3397 (bfin_hardware_loop): New.
3398 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
3399 (DEF_VEC_P (loop_info)): New.
3400 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
3401 (struct loop_info): New.
3402 (loop_info): New typedef.
3403 (struct loop_work): New.
3404 (loop_work): New typedef.
3405 (DEF_VEC_O (loop_work)): New.
3406 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
3407 (bfin_dump_loops): New.
3408 (bfin_bb_in_loop): New.
3409 (bfin_scan_loop): New.
3410 (bfin_optimize_loop): New.
3411 (bfin_reorg_loops): New.
3412 (bfin_reorg): Use bfin_reorg_loops.
3413 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
3415 (I_REGNO_P): Simplify.
3416 (DP_REGNO_P, DPREG_P): New macros.
3417 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3418 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
3419 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
3420 Add LT_REGS, LC_REGS, LB_REGS.
3421 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
3423 (REGNO_REG_CLASS): Deal with loop registers.
3424 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
3426 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
3427 New constants for loop registers.
3428 (UNSPEC_LSETUP_END): New.
3429 (seq_insns): New define_attr. Set it for appropriate insns.
3430 (movsi_insn): Add alternatives for move from/to
3431 loop count registers.
3432 (doloop_end): New define_expand.
3433 (loop_end): New define_insn.
3434 (define_split for bad doloop_end): New.
3435 (lsetup_with_autoinit): New define_insn.
3436 (lsetup_without_autoinit): New define_insn.
3437 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
3438 * config/bfin/predicates.md (lc_register_operand): New.
3439 (lt_register_operand): New.
3440 (lb_register_operand): New.
3441 (nondp_register_operand): New.
3442 (nondp_reg_or_memory_operand): New.
3443 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
3445 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3447 * config/bfin/bfin.c (bfin_delegitimize_address): New.
3448 (TARGET_DELEGITIMIZE_ADDRESS): Define.
3450 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
3452 * Makefile.in (CATALOGS): Add po/ prefix.
3453 * configure: Regenerated.
3455 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
3458 * arm.c (arm_print_operand case 'S'): Validate that the operand is
3459 a shift operand before calling shift_op. Avoid redundant call of
3462 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
3463 DJ Delorie <dj@redhat.com>
3465 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
3466 we're inserting is a singlt-bit constant.
3468 2006-05-30 Roger Sayle <roger@eyesopen.com>
3470 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
3471 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
3473 2006-05-30 Roger Sayle <roger@eyesopen.com>
3475 PR tree-optimization/23452
3476 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
3477 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
3478 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
3479 complex values and with -ffast-math for FP complex values.
3481 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
3483 * c-common.h: Remove the prototype for yyparse.
3484 * rtl.h: Remove the prototype for init_loop.
3486 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
3488 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
3491 2006-05-30 Roger Sayle <roger@eyesopen.com>
3493 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
3495 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
3496 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
3498 2006-05-30 Dirk Mueller <dmueller@suse.de>
3501 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
3502 for CONSTANT_CLASS_P expresisons.
3504 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3507 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
3509 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
3511 PR tree-optimization/27779
3512 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
3513 initial_condition instead of CHREC_LEFT.
3515 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
3517 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
3518 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
3519 Make prototypes ISO C90.
3521 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
3522 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3524 * see.c (see_analyze_one_def): Correct check.
3525 (see_get_extension_data): Check if extension is parallel.
3526 (see_get_extension_reg): Likewise.
3528 2006-05-30 Uros Bizjak <uros@kss-loka.si>
3531 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
3532 into register for (code == GTU).
3534 2006-05-29 Roger Sayle <roger@eyesopen.com>
3536 PR tree-optimization/24964
3537 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
3538 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
3539 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
3540 abs(x)*abs(x) as x*x for scalar floating point modes.
3542 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
3545 * lambda-code.c (perfect_nestify): Don't copy statements
3546 in the inner loop: move them to the inner loop header.
3548 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3551 * c-tree.texi: Document OpenMP directives and clauses.
3553 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3555 * varasm.c (globalize_decl): Fix indentation.
3557 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3560 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
3561 pass_fre, pass_store_ccp, pass_copy_prop,
3562 pass_store_copy_prop, pass_merge_phi, pass_nrv,
3563 pass_return_slot, pass_object_size, pass_lim,
3564 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
3565 pass_loop_prefetch and pass_stdarg.
3567 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
3569 * config/bfin/bfin.opt (mfdpic): New option.
3570 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
3571 (EXTRA_MULTILIB_PARTS): Likewise.
3572 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
3573 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
3575 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
3576 (CRT_CALL_STATIC_FUNCTION): New.
3577 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
3579 (CRT_CALL_STATIC_FUNCTION): New.
3580 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
3582 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
3583 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
3584 (initialize_trampoline): Changed to handle FD-PIC code generation.
3585 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
3586 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
3587 (override_options): Disallow -mid-shared-library -mfdpic combination.
3588 Can't do unaligned ops if FD-PIC.
3589 Turn off flag_pic if trying to generate non-id-shared-library
3590 non-fdpic code, since it's not supported.
3591 (bfin_assemble_integer): New function.
3592 (TARGET_ASM_INTEGER): Define.
3593 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
3595 * config/bfin/crtn.s: Restore them.
3596 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
3598 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
3599 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
3600 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
3601 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
3602 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
3604 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
3605 FDPIC_REGS and FDPIC_FPTR_REGS.
3606 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
3607 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
3608 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
3609 (load_funcdescsi): New pattern.
3610 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
3611 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
3612 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
3614 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3616 * gcse.c, rtlanal.c: Remove obsolete comments associated with
3619 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
3621 * tree-flow.h: Remove the prototype for add_type_alias.
3622 * tree-ssa-alias.c (add_type_alias): Remove.
3624 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
3626 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
3627 config/fr30/fr30.md, config/i386/i386-interix.h,
3628 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
3629 config/sh/superh64.h, config/v850/v850.c, df-core.c,
3630 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
3631 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
3632 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
3633 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
3634 Follow spelling conventions.
3635 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
3636 Follow spelling conventions.
3638 2006-05-27 Richard Guenther <rguenther@suse.de>
3641 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
3642 to produce a constant of value 1 of generic type.
3644 2006-05-27 Dirk Mueller <dmueller@suse.de>
3646 * cgraphunit.c (decide_is_function_needed): Fix wrong
3649 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
3651 PR rtl-optimization/27661
3652 * reload.c (find_reloads): When reloading a VOIDmode constant
3653 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
3654 use Pmode as mode of the reload register.
3656 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
3658 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
3659 is enabled at -O and above.
3661 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
3664 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
3667 2006-05-25 Mark Mitchell <mark@codesourcery.com>
3670 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
3671 for anonymous variables explicitly declared by front ends.
3673 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3675 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
3676 (struct alias_info): Add new field ref_all_symbol_mem_tag.
3677 * tree-ssa-alias.c (compute_may_aliases): If the program contains
3678 ref-all pointers, run a finalization pass for them.
3679 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
3680 (finalize_ref_all_pointers): New function.
3681 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
3682 regular pointer type to a ref-all pointer type.
3683 (get_tmt_for): Return the special memory tag for ref-all pointers.
3685 2006-05-25 Richard Guenther <rguenther@suse.de>
3688 * fold-const.c (fold_binary): Do not look at the stripped
3689 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
3691 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3693 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
3694 for LT and GT if the computed range is effectively empty.
3696 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3699 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
3700 mips_quad_format formats instead of ieee_single_format,
3701 ieee_double_format and ieee_quad_format formats, respectively.
3703 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3705 PR tree-optimization/27639
3706 PR tree-optimization/26719
3707 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
3708 call to scev_probably_wraps_p.
3709 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
3710 used_in_pointer_arithmetic_p, convert_step): Removed.
3711 (nowrap_type_p): New function.
3712 (scev_probably_wraps_p): Rewritten.
3713 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
3714 chrec_convert if chrec_convert_aggressive might have been used.
3715 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
3716 scev_direction): New functions.
3717 (chrec_convert): Changed to a wrapper over chrec_convert_1.
3718 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
3719 instead of convert_step.
3720 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
3721 (convert_step): Declaration removed.
3722 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
3724 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
3726 * df-core.c: Added to header comments.
3727 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
3728 df_ur_bb_info, df_urec_bb_info): Added comments.
3729 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
3730 urec, ri problems): Fixed header comments.
3731 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
3732 code from df_rd_transfer_function.
3734 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3736 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
3737 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
3738 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
3740 2006-05-23 Joseph Myers <joseph@codesourcery.com>
3742 * expr.c (undefined_operand_subword_p): New.
3743 (emit_move_multi_word): Do not generate move from undefined bits
3744 of a paradoxical subreg.
3746 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3748 PR rtl-optimization/27736
3749 * combine.c (replaced_rhs_value): New variable.
3750 (combine_instructions): Set it.
3751 (distribute_notes): When distributing a note in replaced_rhs_insn,
3752 check whether the value was used in replaced_rhs_value.
3754 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
3757 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
3758 add_referenced_var instead of add_referenced_tmp_var.
3759 * tree-complex.c (create_one_component_var): Use add_referenced_var.
3760 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
3762 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
3763 tree_optimize_tail_calls_1): Use add_referenced_var.
3764 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
3765 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
3766 Use add_referenced_var.
3767 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
3768 * gimplify.c (force_gimple_operand): Use add_referenced_var.
3769 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
3770 Use add_referenced_var.
3771 * tree-dfa.c (struct walk_state): Remove.
3772 (find_referenced_vars): Remove walk state and vars_found hash table.
3773 (make_rename_temp): Use add_referenced_var.
3774 (find_vars_r): Pass less parameters to add_referenced_var.
3775 (referenced_var_p): New. Is var in referenced_var hash table.
3776 (referenced_var_insert): Assert var isn't already in hash table.
3777 (add_referenced_var): Don't need walk_state parameter. Add var if it
3778 isn't already in the hash table.
3779 (add_referenced_tmp_var): Remove.
3780 (find_new_referenced_vars_1): Use add_referenced_var.
3781 * tree-ssa-pre.c (create_expression_by_pieces,
3782 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
3783 Use add_referenced_var.
3784 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
3785 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
3786 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
3788 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
3789 vect_create_data_ref_ptr, vect_create_destination_var,
3790 vect_init_vector, vect_build_loop_niters,
3791 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3792 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
3793 Use add_referenced_var.
3794 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
3795 * tree-flow.h (add_referenced_tmp_var): Remove prototype
3796 (add_referenced_var): Add prototype.
3797 * tree-ssa-structalias.c (get_constraint_for,
3798 intra_create_variable_infos): Use add_referenced_var.
3800 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
3802 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
3803 big-endian paradoxical subregs.
3804 * var-tracking.c (struct micro_operation_def): Document that,
3805 for modify micro operations, insn is the subsequent instruction.
3806 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
3807 (var_reg_set, var_mem_set): ... new functions.
3808 (add_stores): Record subsequent insn.
3809 (compute_bb_dataflow): Use new functions for MO_USE.
3810 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
3811 notes after the insn, and modify notes before the insn known
3812 to be the subsequent one.
3813 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
3815 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
3818 * config/i386/i386.c (ix86_expand_builtin): Use
3819 gen_sse3_monitor64 for TARGET_64BIT.
3821 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
3823 PR rtl-optimization/26375
3824 PR rtl-optimization/26855
3825 * df-problems (df_ru_bb_local_compute_process_def): Removed update
3827 (df_ru_bb_local_compute): Reversed statements and removed bogus
3828 comment explaining why they should be in wrong order.
3829 (df_ru_dump, df_rd_dump): Enhanced debug info.
3830 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
3832 * ddg.c (add_deps_for_def): Converted use of reaching defs to
3833 reaching uses and fixed space problem.
3835 2006-05-23 Jan Hubicka <jh@suse.cz>
3837 * cgraphunit.c (decide_is_function_needed): Also nested functions
3838 and functions declared inline can be optimized out at -O0.
3840 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
3842 * doc/install.texi (Configuration): Remove reference to CrossGCC
3846 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3849 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
3850 ix86_compare_emitted is non-NULL.
3852 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3855 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
3858 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3860 PR rtl-optimization/25514
3861 * combine.c (replaced_rhs_insn): New variable.
3862 (combine_instructions): Set replaced_rhs_insn when trying to replace
3863 a SET_SRC with a REG_EQUAL note.
3864 (distribute_notes): Use replaced_rhs_insn when determining the live
3865 range of a REG_DEAD register.
3867 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
3868 Anatoly Sokolov <aesok@post.ru>
3870 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
3871 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
3872 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
3873 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
3874 atmega3290, atmega649, atmega6490, atmega406, atmega640,
3875 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
3876 at90usb647, at90usb1286 and at90usb1287 devices.
3877 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3878 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3880 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3882 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
3884 2006-05-22 Richard Guenther <rguenther@suse.de>
3887 2006-01-31 Richard Guenther <rguenther@suse.de>
3888 Paolo Bonzini <bonzini@gnu.org>
3890 * doc/install.texi (--disable-libgcc-math): Document.
3892 2006-05-22 Richard Guenther <rguenther@suse.de>
3895 2006-01-31 Richard Guenther <rguenther@suse.de>
3897 * doc/invoke.texi (-msselibm): Document.
3898 * target.h (expand_library_builtin): New target hook.
3899 * builtins.c (expand_builtin): Use expand_library_builtin.
3900 (default_expand_library_builtin): New function.
3901 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3902 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3903 (link_gcc_math_spec): Declare.
3904 (static_specs): Add link_gcc_math_spec.
3905 * expr.h (default_expand_library_builtin): Declare.
3906 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3907 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3908 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3909 * config/i386/i386.opt (msselibm): New target option.
3910 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3911 (ix86_init_sse_abi_builtins): New function.
3912 (ix86_expand_library_builtin): Likewise.
3913 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3914 (override_options): Handle error conditions wrt -msselibm.
3915 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3916 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3917 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3920 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3923 * c-common.c (self_promoting_args_p): Skip erroneous args.
3926 * c-decl.c (finish_struct): Skip erroneous fields.
3928 2006-05-22 Nick Clifton <nickc@redhat.com>
3930 * config/cris/cris.opt (march): Remove VarExists attribute.
3931 (max-stackframe=): Likewise.
3933 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3935 * doc/rtl.texi: Fix a typo.
3936 * see.c: Fix comment typos.
3938 * tree-ssa-structalias.h (alias_info): Remove num_references.
3940 2006-05-21 Mike Stump <mrs@apple.com>
3942 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
3944 (darwin_pragma_options): Use BAD instead.
3945 (darwin_pragma_unused): Likewise.
3946 (darwin_pragma_ms_struct): Likewise.
3948 2006-05-21 David Edelsohn <edelsohn@gnu.org>
3950 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
3952 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
3954 PR rtl-optimization/27671
3955 * simplify-rtx.c (simplify_relational_operation_1): Fix
3956 simplifications of (eq/ne (xor x y) y) and
3957 (eq/ne (xor x y) x).
3959 PR tree-optimization/26622.
3960 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
3963 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3965 * tree-cfg.c: Prune whitespace.
3966 (debug_tree_cfg): Point to correct header containing the
3969 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3972 * cgraphunit.c (verify_cgraph_node): Typo in error message.
3974 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
3977 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
3978 or sorry count is non zero.
3980 2006-05-20 Andreas Schwab <schwab@suse.de>
3982 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
3984 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
3985 Kenneth Zadeck <zadeck@naturalbridge.com>
3987 PR rtl-optimization/26855
3989 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
3991 (df_scan_alloc): Added code to properly handle multiword hard
3992 registers and add all_blocks parameter.
3993 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
3994 code to properly handle multiword hard registers.
3995 (df_rescan_blocks): Added code to remove deleted blocks from
3997 (df_ref_create_structure, df_ref_record): Added code to properly
3999 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
4000 and set DF_REF_PARTIAL.
4001 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
4002 (df_uses_record): Added DF_REF_PARTIAL for subreg.
4003 (df_scan_add_problem): Added flags parameter.
4004 (df_ref_create_structure): Changed switching structure.
4005 (df_bb_refs_record): Fixed case where duplicate artificial refs
4006 were created. Changed location of flags.
4007 (df_record_entry_block_defs): Added code to make stack pointer
4008 live in entry block. Refined cases where frame pointer is needed.
4009 Changed location of flags.
4010 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
4011 (df_set_state): Removed function.
4012 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
4013 df_insn_create_insn_record, df_insn_refs_delete,
4014 df_ref_create_structure): Formatting changes.
4015 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
4016 df_delete_basic_block): New function.
4017 (df_init): Changed location of flags.
4018 (df_add_problem): Added flags parameter and the way flags are
4020 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
4021 debug_df_chain): Improved debugging output.
4022 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
4023 (df_refs_chain_dump): Removed df parameter.
4024 (df_iterative_dataflow): Added consistency check.
4025 (df_prune_to_subcfg): Made public.
4026 (df_analyze_problem): Added blocks_to_init parameter and made
4028 (df_ref_record, df_bb_refs_record, df_mark_reg,
4029 df_record_exit_block_uses): Whitespace changes.
4030 (df_dump): Whitespace changes.
4031 * df.h: Some reordering to remove forward references.
4032 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
4033 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
4034 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
4035 (dataflow.flags): New field.
4036 (df.flag): Deleted field.
4037 (df_alloc_function): Added additional bitmap parameter.
4038 (df_dependent_problem_function): New type.
4039 (df_problem.changeable_flags): New field.
4040 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
4041 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
4042 (df_mw_hardreg): New struct.
4043 (DF_INSN_UID_MWS): New macro.
4044 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
4046 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
4047 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
4048 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
4049 (df_set_state): Removed function.
4050 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
4051 * df-problems.c (df_chain_dump): Removed df parameter.
4052 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
4053 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
4055 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
4056 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
4057 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
4058 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
4059 DF_REF_MUST_CLOBBER cases.
4060 (df_ru_bb_local_compute_process_def,
4061 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
4062 df_lr_bb_local_compute, df_ur_bb_local_compute,
4063 df_chain_create_bb): Made subreg aware.
4064 (df_ru_bb_local_compute, df_rd_bb_local_compute,
4065 df_lr_bb_local_compute, df_lr_bb_local_compute,
4066 df_chain_create_bb): Cleanup to use proper macros.
4067 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
4068 code to fixup bitvectors.
4069 (df_ri_alloc): Cleared lifetime.
4070 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
4071 df_create_unused_note): New function.
4072 (df_ri_bb_compute, df_ri_compute): Added code to create/update
4073 REG_DEAD and REG_UNUSED notes as well as register information.
4074 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
4075 df_chains_dump): Fixed crash if problem was never run.
4076 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
4077 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
4078 df_ri_add_problem): Processes flags in uniform manner.
4079 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
4080 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
4081 df_rd_dump, df_urec_free_bb_info): Formatting changes.
4082 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
4083 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
4084 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
4085 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
4086 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
4087 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
4088 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
4089 * see.c (see_initialize_data): Ditto.
4090 * final.c (rest_of_clean_state) Added regstack_completed.
4091 * rtl.h (regstack_completed): Ditto.
4092 * reg-stack.c (regstack_completed): Ditto.
4094 2006-05-19 Mike Stump <mrs@apple.com>
4096 * c-tree.h (default_conversion): Remove.
4097 * c-common.h (default_conversion): Add.
4099 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
4101 * tree-vrp.c (valid_value_p): New function.
4102 (adjust_range_with_scev): Fail if the value of bound is not
4105 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4107 * config/mips/linux-unwind.h: Include <asm/unistd.h>
4108 (mips_fallback_frame_state): Use syscall numbers to determine
4109 the appropriate li instruction for the current ABI. Only use
4110 __NR_sigreturn for o32.
4112 2006-05-19 Nicolas Setton <setton@adacore.com>
4114 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
4115 * langhooks.c (lhd_dwarf_name): New function.
4116 * langhooks-def.h (lhd_dwarf_name): Declare.
4117 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
4118 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
4119 * ada/misc.c (gnat_dwarf_name): New function.
4120 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
4122 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4124 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
4126 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
4127 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
4128 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
4129 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
4130 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
4131 determine the size of Wtype, etc.
4132 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
4133 (swfloatfuncs): New variable.
4134 (dwfloatfuncs): Likewise.
4135 (lib2funcs): Remove floating-point conversion functions from
4136 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
4137 the set of conversion routines needed. Allow entries to specify
4138 an object name, filename and word size. Update users accordingly.
4139 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
4140 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
4144 2006-02-08 Roger Sayle <roger@eyesopen.com>
4147 * config/fixtfdi.c: New libgcc source file.
4148 * config/fixunstfdi.c: New source file.
4149 * config/floatditf.c: New source file.
4150 * config/floatunditf.c: New souce file.
4151 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4152 files above instead of config/mips/_tilib.c.
4153 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4155 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4157 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
4158 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
4160 2006-05-18 Mike Stump <mrs@apple.com>
4162 Fix up vla, vm and [*] sematics.
4168 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
4169 (c_vla_unspec_p): Add.
4170 (c_vla_type_p): Add.
4171 * c-decl.c (struct c_scope): Add had_vla_unspec.
4172 (build_array_declarator): Add support for [*].
4173 (grokdeclarator): Likewise.
4174 (grokparms): Likewise.
4175 (get_parm_info): Likewise.
4176 * c-objc-common.c (c_vla_unspec_p): Likewise.
4177 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
4178 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
4179 typeof when argument is a variably modified type not inside sizeof or alignof.
4180 (c_parser_direct_declarator_inner): Propagate errors.
4181 (c_parser_sizeof_expression): Add support for [*].
4182 (c_parser_parms_declarator): Initialize had_vla_unspec.
4183 (c_parser_parms_list_declarator): Likewise.
4184 * c-typeck.c (c_vla_type_p): Add.
4185 (composite_type): Add support for vla compositing.
4186 (comptypes_internal): Add support for vla compatibility.
4187 (c_expr_sizeof_expr): Evaluate vla arguments.
4188 * tree.c (variably_modified_type_p): Update comment for [*].
4190 2006-05-18 Michael Matz <matz@suse.de>
4193 * config.host: Make assignments to host_xmake_file cumulative.
4194 * config.host (*-darwin*): Test $host, not $target.
4196 2006-05-12 Stuart Hastings <stuart@apple.com>
4198 * config/i386/i386.opt (-mstackrealign): New flag.
4199 * config/i386/i386.c (force_align_arg_pointer): New attribute.
4200 (ix86_handle_cconv_attribute): Emit error when
4201 force_align_arg_pointer attribute collides with too many regparms.
4202 (ix86_function_regparm): Limit regparms when used with
4203 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
4204 Support stack-realigning prologue in non-main functions. Emit
4205 warning for nested functions under -mstackrealign, emit error for
4206 nested functions with force_align_arg_pointer attribute.
4207 * doc/extend.texi (force_align_arg_pointer): Document it.
4208 * doc/invoke.texi (-mstackrealign): Document it.
4210 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
4212 PR rtl-optimization/27477
4213 * combine.c (try_combine): Don't split a parallel consisting
4214 of two sets into two individual sets if both sets reference
4217 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
4219 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
4220 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
4222 * doc/options.texi (VarExists): Updated.
4224 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4226 * unwind-dw2.c: Add declarations for uw_update_context and
4228 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
4229 detected, advance frame state and context once to skip over stub.
4231 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4235 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
4236 Call rewrite_into_loop_closed_ssa only when something changed.
4237 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
4238 * lambda-code.c (can_convert_to_perfect_nest): Declared.
4239 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
4240 Test for perfect_nest_p here. Fix formating.
4241 (replace_uses_equiv_to_x_with_y): Fix formating.
4242 (stmt_uses_op): Removed.
4243 (can_convert_to_perfect_nest): Removed loopivs parameter.
4244 Complete the test by checking the scalar dependences.
4245 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
4248 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4251 From Dan Kegel <dank@kegel.com>:
4252 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
4254 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
4256 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
4257 if the element type is variably modified without recursing.
4259 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4262 * tree-loop-linear.c (try_interchange_loops): Test for
4263 no data dependences.
4265 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
4267 PR tree-optimization/27548
4268 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
4269 range of ssa names that appear on abnormal edges.
4270 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
4271 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
4273 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4276 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
4278 2006-05-17 Jakub Jelinek <jakub@redhat.com>
4281 * tree.h (OMP_PARALLEL_COMBINED): Define.
4282 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
4283 (new_omp_context): Add is_combined_parallel argument.
4284 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
4285 new_omp_context caller.
4286 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
4287 Adjust gimplify_scan_omp_clauses callers.
4288 (omp_is_private): Issue errors if iteration variable is firstprivate
4289 or reduction in the current context.
4290 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
4291 on combined parallel workshare constructs.
4293 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4295 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
4296 (gcc-options.o): New rule.
4298 * optc-gen.awk: Protect variables for gcc-options.o with
4299 #ifdef GCC_DRIVER/#endif.
4301 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
4303 Fix PR tree-optimization/27373
4304 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
4305 (forward_propagate_addr_expr): Update call.
4307 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4309 * doc/options.texi: Move the Negative option.
4311 2006-05-16 Richard Guenther <rguenther@suse.de>
4313 PR tree-optimization/22303
4314 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
4316 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
4317 ccp_fold did not simplify the statement.
4319 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4322 * Makefile.in (GCC_OBJS): New.
4323 (OBJS-common): Add opts-common.o.
4324 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
4325 (cpp$(exeext)): Likewise.
4326 (gcc.o): Also depend on opts.h.
4327 (opts-common.o): New.
4329 * common.opt (gcoff): Add Negative(gdwarf-2).
4330 (gdwarf-2): Add Negative(gstabs).
4331 (gstabs): Add Negative(gstabs+).
4332 (gstabs+): Add Negative(gvms).
4333 (gvms): Add Negative(gxcoff).
4334 (gxcoff): Add Negative(gxcoff+).
4335 (gxcoff+): Add Negative(gcoff).
4336 * config/i386/i386.opt (m32): Add Negative(m64).
4337 (m64): Add Negative(m32).
4339 * doc/options.texi: Document the Negative option.
4341 * gcc.c: Include "opts.h".
4342 (main): Call prune_options after expandargv.
4344 * optc-gen.awk: Generate common declarations for all flag
4345 variables in options.c. Output the neg_index field.
4347 * opts.c (find_opt): Moved to ...
4348 * opts-common.c: Here. New file.
4350 * opts.h (cl_option): Add a neg_index field.
4352 (prune_options): Likewise.
4354 2006-05-16 Jakub Jelinek <jakub@redhat.com>
4357 * omp-low.c (expand_omp_parallel): Don't assert
4358 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
4359 instead search for it.
4362 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
4365 2006-05-16 Andreas Schwab <schwab@suse.de>
4367 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
4370 2006-05-15 Roger Sayle <roger@eyesopen.com>
4373 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
4374 integer constants other than zero are only legitimate on TARGET_64BIT.
4375 <CONST_VECTOR> Only zero vectors are legitimate.
4376 (ix86_cannot_force_const_mem): Integral and vector constants can
4377 always be put in the constant pool.
4379 2006-05-16 DJ Delorie <dj@redhat.com>
4381 * crtstuff.c (__dso_handle): Set section from
4382 TARGET_LBIGCC_SDATA_SECTION if defined.
4383 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
4384 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
4386 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
4389 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
4392 2006-05-16 Ben Elliston <bje@au.ibm.com>
4394 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
4396 2006-05-15 Per Bothner <per@bothner.com>
4398 * tree.c: (last_annotated_node): Use source_locus typedef.
4399 This permits bootstrapping with --enable-mapped-location.
4401 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
4403 PR tree-optimization/26830
4404 * tree-into-ssa.c (struct ssa_name_info): Add age field.
4405 (info_for_ssa_name, current_info_for_ssa_name_age,
4406 blocks_to_update): New variables.
4407 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
4408 (clear_ssa_name_info, initialize_flags_in_bb,
4409 mark_block_for_update): New functions.
4410 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
4411 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
4412 prepare_def_site_for): Use mark_block_for_update.
4413 (mark_def_interesting): Assert that the processed block is marked in
4414 blocks_to_update. Do not take blocks argument.
4415 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
4417 (rewrite_update_init_block, rewrite_update_stmt): Only process
4418 blocks with statements to rewrite.
4419 (delete_update_ssa): Do not clear SSA_NAME_AUX.
4420 (update_ssa): Initialize and free blocks_to_update. Do not
4421 clear flags on statements. Do not use blocks bitmap.
4422 * tree.h (SSA_NAME_AUX): Removed.
4423 (struct tree_ssa_name): Removed aux field.
4424 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
4426 2006-05-15 Richard Guenther <rguenther@suse.de>
4428 PR tree-optimization/27603
4429 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4430 Do computations in original type.
4432 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
4434 * see.c: Code style changes such as redundant paranthesis,
4435 redundant intialization of local variables etc.
4436 (see_main): Declared now as static.
4437 * doc/invoke.texi: Update that -fsee is not enabled by
4440 2006-05-15 Jakub Jelinek <jakub@redhat.com>
4442 * omp-low.c (check_omp_nesting_restrictions): New function.
4443 (scan_omp_1): Call it.
4446 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
4447 construct, return *VAR.
4449 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
4451 PR rtl-optimization/27406
4452 * bt-load.c (migrate_btr_def): Skip the block having abnormal
4455 2006-05-14 Roger Sayle <roger@eyesopen.com>
4457 PR rtl-optimization/27538
4458 * combine.c (expand_compound_operation): Call gen_lowpart
4459 before calling simplify_shift_const.
4461 2006-05-14 Roger Sayle <roger@eyesopen.com>
4463 PR rtl-optimization/22563
4464 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
4465 a fixed width bitfield, always force the intermediates into psuedos.
4467 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
4470 * mkconfig.sh: Use operator = instead of == for test.
4472 2006-05-13 Nick Clifton <nickc@redhat.com>
4474 * dwarf2out.c (dbx_reg_number): Check return value from
4475 LEAF_REG_REMAP and only use it if it is valid.
4476 (multiple_reg_loc_descriptor): Likewise.
4478 2006-05-13 Richard Guenther <rguenther@suse.de>
4480 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
4483 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
4485 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
4486 information attached to non-INSNs such as NOTEs.
4487 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
4489 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
4491 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
4493 * config/s390/s390.md: Adjust comment describing On constraint.
4495 2006-05-11 Jan Hubicka <jh@suse.cz>
4497 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
4498 to be output at -O0.
4500 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4503 * fold-const.c (size_binop): Move sanity check for arguments to
4504 the beginning of the function.
4507 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
4510 2006-05-11 Richard Guenther <rguenther@suse.de>
4513 * fold-const.c (fold_unary): Handle intermediate conversion
4514 to a pointer type like intermediate conversion to an integer
4515 type in folding of (T1)(T2)var to var.
4516 Match the code to the comment in the final conversion for
4517 (T1)(T2)var to (T1)var regarding to type precision. Rather
4518 than disallow T1 being of pointer type, assert that both T1
4519 and var are of pointer type or not. Make sure not to fall
4520 over the frontends lazyness wrt array to pointer decay though.
4522 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
4524 * arm.c (arm_struct_value_rtx): Delete.
4525 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
4526 (arm_init_cumulative_args): Always initialize nregs to zero.
4528 2006-05-10 Richard Guenther <rguenther@suse.de>
4530 PR tree-optimization/27532
4531 * tree-object-size.c (plus_expr_object_size): Fix typo.
4533 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
4536 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
4537 ashrdi_const, ashrdi3): Use a scratch register.
4539 2006-05-10 Richard Guenther <rguenther@suse.de>
4541 PR tree-optimization/27302
4542 * fold-const.c (operand_equal_p): For two comparisons,
4543 try comparison of one comparison code swapped if that yields
4546 2006-05-10 Ben Elliston <bje@au.ibm.com>
4548 * tree-pretty-print.c (pretty_print_string): No need to handle
4549 '\0' as a special character.
4551 * tree.h: Include "hashtab.h".
4552 (iterative_hash_expr): Use hashval_t in its prototype.
4553 * Makefile.in (TREE_H): Add $(HASHTAB_H).
4555 2006-05-09 Steve Ellcey <sje@cup.hp.com>
4558 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
4559 (hppa*64*-*-hpux11*): Ditto.
4560 (hppa[12]*-*-hpux11*): Ditto.
4562 2006-05-09 David Edelsohn <edelsohn@gnu.org>
4565 * config/rs6000/aix41.h (TARGET_64BIT): Define.
4567 2006-05-09 Michael Matz <matz@suse.de>
4569 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
4570 host_extra_gcc_objs and host_xmake_file.
4571 (<*-*-linux*>): Don't overwrite host_xmake_file.
4572 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
4573 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
4574 (host_detect_local_cpu): Declare.
4575 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
4576 * config/i386/i386.c (override_options): Handle -mtune=native
4578 * config/i386/x-i386: New file.
4579 * config/i386/driver-i386.c: New file.
4580 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
4583 2006-05-09 Dirk Mueller <dmueller@suse.de>
4584 Richard Guenther <rguenther@suse.de>
4587 * fold-const.c (fold_read_from_constant_string): Relax check
4588 for matching types to matching modes.
4590 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
4592 PR rtl-optimization/27335
4593 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
4596 2006-05-08 Chao-ying Fu <fu@mips.com>
4597 Richard Sandiford <richard@codesourcery.com>
4599 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
4600 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
4601 * config/mips/mips.md (UNSPEC_SCC): New constant.
4602 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
4603 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
4604 (mips_emit_compare): Use it.
4605 (mips_expand_vcondv2sf): New function.
4607 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
4609 Fix PR tree-optimization/27093
4610 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
4611 renaming when they become not-used_alone.
4613 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4615 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
4616 relocation and relocation stubs.
4618 2006-05-08 Eric Christopher <echristo@apple.com>
4620 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
4623 2006-05-08 Jan Hubicka <jh@suse.cz>
4626 * cgraphunit.c (decide_is_function_needed): When not optimizing even
4627 unused static functions are needed.
4629 2006-05-08 Roger Sayle <roger@eyesopen.com>
4632 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4633 of a reg_equiv_constant if the result is a legitimate constant.
4635 2006-05-08 Uros Bizjak <uros@kss-loka.si>
4638 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
4639 standard 80387 constants, raise the cost to prevent
4640 compress_float_constant() to generate load from memory.
4642 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
4644 * config/arm/constraints.md (c): Fix a typo.
4646 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
4649 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
4652 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
4654 (_mm_mwait): Likewise.
4656 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
4658 (sse3_monitor): Make it 32bit only.
4659 (sse3_monitor64): New. 64bit monitor.
4661 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4664 * config/i386/i386.c (classify_argument): Skip fields with invalid
4667 2006-05-07 Richard Guenther <rguenther@suse.de>
4669 PR tree-optimization/27409
4670 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4671 Do not try to find zero-sized subvars.
4673 2006-05-07 Richard Guenther <rguenther@suse.de>
4675 PR tree-optimization/27136
4676 * tree-ssa-loop-niter.c (get_val_for): Correct function
4677 comment, assert requirements.
4678 (loop_niter_by_eval): Stop processing if the iterated
4679 value did not simplify.
4681 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
4683 * opts.c (flag_see): remove its setting at -O3.
4685 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
4687 * genpeep.c (main): Make insn-peep.c depend on flags.h.
4688 * arm/constraints.md: New file.
4689 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
4690 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
4691 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
4692 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
4693 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
4694 (EXTRA_MEMORY_CONSTRAINT): Likewise.
4695 * arm.md: Include constraints.md.
4696 (thumb_movsi_insn): Use satisfies_constraint_J.
4697 (movhi, movqi): Use satisfies_constraint_I.
4699 2006-04-29 Anatoly Sokolov <aesok@post.ru>
4701 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
4702 for atmeg a645 device.
4704 2006-05-06 Richard Guenther <rguenther@suse.de>
4706 PR tree-optimization/27151
4707 * tree-vect-transform.c (vectorizable_condition): Punt on
4708 values that have a different type than the condition.
4710 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
4713 * c-parser.c (c_parser_cast_expression): Only insert casts into
4714 hash table if pointer.
4715 * function.c (used_types_insert_helper): Rename from
4717 (used_types_insert): Call used_types_insert_helper.
4718 * function.h (used_types_insert): Accept only one argument.
4720 2006-05-05 David Edelsohn <edesohn@gnu.org>
4722 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
4723 scratch with output modifier.
4725 2006-05-04 David Edelsohn <edelsohn@gnu.org>
4728 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
4729 with output modifier.
4731 2006-05-04 Richard Sandiford <richard@codesourcery.com>
4734 * config/mips/mips.c (mips_symbolic_address_p): Return true
4735 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
4736 SYMBOL_GOTTPREL, and SYMBOL_TLS.
4738 2006-05-04 Richard Guenther <rguenther@suse.de>
4740 PR tree-optimization/14287
4741 PR tree-optimization/14844
4742 PR tree-optimization/19792
4743 PR tree-optimization/21608
4744 PR tree-optimization/27090
4745 * tree-ssa-pre.c (try_combine_conversion): New function.
4746 (compute_avail): After constructing the value-handle
4747 expression, use try_combine_conversion to combine NOP_EXPRs
4748 with previous value-handle expressions and use the result if it
4751 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
4753 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
4755 2006-05-04 Jan Hubicka <jh@suse.cz>
4758 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
4760 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
4762 * config/bfin/predicates.md (const01_rtx): Tell generator programs
4763 that this only matches CONST_INTs. All users changed to VOIDmode
4766 * config/bfin/bfin.c: Include "optabs.h".
4767 (bfin_rtx_costs): Some costs for vector operations, to allow combine
4769 (enum bfin_builtins): Add a number of fractional and vector builtins.
4770 (bfin_init_builtins): Likewise.
4771 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
4772 (safe_vector_operand, bfin_expand_binop_builtin,
4773 bfin_expand_unop_builtin): New functions.
4774 (bfin_expand_builtin): Handle the new builtins.
4775 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4778 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
4781 * Makefile.in (OBJS-common): Add see.o.
4782 (see.o): Add dependencies.
4783 * common.opt (fsee): New flag for the see optimization was added.
4784 * opts.c (flag_see): Initialized.
4785 * passes.c (init_optimization_passes, pass_see): New pass.
4786 * rtl.h (see_main): Declaration as extern.
4787 * timevar.def (TV_SEE): New.
4788 * tree-pass.h (pass_see): Declaration as extern.
4789 * invoke.texi (-fsee): Document.
4790 * recog.c (validate_simplify_insn): New function.
4791 * recog.h (validate_simplify_insn): Declaration as extern.
4792 * df-problems.c (df_chain_dump): Check for NULL.
4794 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
4795 Daniel Berlin <dberlin@dberlin.org>
4797 * cfgrtl.c (insert_insn_bb_end_new): New function.
4798 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
4800 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4802 * df.h (struct web_entry): Moved from web.c.
4803 (union_defs): Declaration as extern.
4804 (unionfind_root): Likewise.
4805 (unionfind_union): Likewise.
4806 * web.c (struct web_entry): Moved to df.h.
4807 (unionfind_root): Remove static declaration.
4808 (unionfind_union): Likewise.
4809 (union_defs): Likewise and generalize to use callback function.
4810 (web_main): Update arguments for union_defs function call.
4812 2006-05-04 Richard Guenther <rguenther@suse.de>
4814 PR tree-optimization/26447
4815 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
4816 produce SSA_NAME copies before the store stmt to avoid
4817 breaking exception handling.
4819 2006-05-04 Jakub Jelinek <jakub@redhat.com>
4822 * gimplify.c (omp_is_private): If var is shared in some outer context,
4823 return false instead of true. Stop searching on parallel context
4826 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
4829 * coverage.c: Use get_gcov_unsigned_t() instead of
4830 unsigned_type_node all over.
4832 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
4834 PR tree-optimization/27381
4835 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
4836 maintain the same immediate_use links.
4837 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
4838 node rather than segfaulting.
4840 2006-05-03 Jakub Jelinek <jakub@redhat.com>
4843 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
4844 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
4845 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
4847 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
4849 Fix PR tree-optimization/26626
4850 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
4852 * tree-ssa-operands.c (access_can_touch_variable): Allow
4853 typecasting through union pointers.
4855 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4858 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
4859 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
4860 to find if var will be a global variable even in the nested context.
4861 (omp_copy_decl): Only check for global variable at the end, it might
4862 be overridden in outer contexts.
4863 (scan_sharing_clauses): For global variables don't create a field.
4864 (lower_rec_input_clauses): Do nothing for global shared variables.
4865 Emit a barrier at the end of ILIST if there were any decls in both
4866 firstprivate and lastprivate clauses.
4867 (lower_send_clauses): Do nothing for global variables except for
4870 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
4872 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
4873 of the correct signedness is returned.
4875 2006-05-02 Jeff Law <law@redhat.com>
4877 PR tree-optimization/27364
4878 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
4879 multiply expressions.
4881 2006-05-02 Tom Tromey <tromey@redhat.com>
4883 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
4885 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
4888 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
4889 -mthumb -fPIC are used.
4891 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
4892 Joshua Kinard <kumba@gentoo.org>
4895 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
4896 with 64-bit pointers.
4898 2006-05-02 Paul Brook <paul@codesourcery.com>
4900 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
4902 (create_fix_barrier): Check that a suitable barrier location is
4904 (arm_reorg): Include ftmp->address in allowable range of addresses.
4906 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
4909 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
4912 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4915 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
4916 around RESULT_DECL for result passed by reference.
4917 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
4918 * omp-low.c (use_pointer_for_field): Don't look at
4919 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
4920 (scan_omp_1): Call remap_decl on RESULT_DECLs.
4921 (lower_rec_input_clauses): Don't allocate VLA memory for the second
4922 time or var for passing by reference for
4923 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
4924 TREE_ADDRESSABLE variables when passing by reference.
4926 * omp-low.c (dump_omp_region): Fix output formatting.
4929 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
4930 (expand_omp_parallel): Likewise.
4931 * tree-cfg.c (move_sese_region_to_fn): Likewise.
4934 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
4935 on statement list containing also constructors and destructors.
4936 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
4939 * except.c (duplicate_eh_regions): Fix clearing of
4940 cfun->eh->region_array entries.
4942 2006-05-01 DJ Delorie <dj@redhat.com>
4944 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
4946 (gcc_cv_objdump): Likewise.
4947 * configure: Regenerated.
4949 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
4952 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
4953 templates for case 3 and 4.
4955 2006-05-01 DJ Delorie <dj@redhat.com>
4957 * vec.c: Include bconfig.h when appropriate.
4958 * Makefile.in (build/vec.o): Adjust dependencies.
4959 * mkconfig.sh: Make sure config.h isn't used for build machine
4962 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4964 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
4966 (mark_phi_for_rewrite): New function.
4967 (insert_phi_nodes_for, mark_use_interesting): Call
4968 mark_phi_for_rewrite.
4969 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
4970 (update_ssa): Initialize and free phis_to_rewrite.
4972 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4974 PR rtl-optimization/27291
4975 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
4976 folded to a constant.
4978 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4980 PR tree-optimization/27283
4981 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
4982 not whole # of iteration descriptions.
4983 (niter_for_exit): Return just # of iterations. Fail if # of iterations
4984 uses abnormal ssa name.
4985 (niter_for_single_dom_exit): Ditto.
4986 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
4987 return just the number of iterations.
4989 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4991 PR tree-optimization/27144
4992 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
4993 (record_estimate): Only record constant upper bound.
4994 (infer_loop_bounds_from_undefined): Call
4995 compute_estimated_nb_iterations just once.
4996 (proved_non_wrapping_p): Renamed to ...
4997 (n_of_executions_at_most): ... this. Expect bound to be a constant.
4998 (convert_step_widening, scev_probably_wraps_p): Call
4999 n_of_executions_at_most instead of proved_non_wrapping_p.
5000 (substitute_in_loop_info): Do not replace values in bounds.
5001 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
5004 2006-05-01 Richard Henderson <rth@redhat.com>
5007 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
5008 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
5011 2006-05-01 Roger Sayle <roger@eyesopen.com>
5013 * c-typeck.c (parser_build_binary_op): Don't call the function
5014 unsigned_conversion_warning to spot operand/result type overflow.
5015 (build_binary_op): Instead, call convert_and_check instead of
5016 convert to report the problem when the operands are promoted.
5017 * c-common.c (unsigned_conversion_warning): Make static.
5018 * c-common.h (unsigned_conversion_warning): Delete prototype.
5020 2006-05-01 Richard Guenther <rguenther@suse.de>
5022 PR tree-optimization/26726
5023 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
5025 (find_interesting_uses_address): ... we work around here
5026 by folding INDIRECT_REFs in the substituted base.
5028 2006-05-01 Diego Novillo <dnovillo@redhat.com>
5030 * omp-low.c (dump_omp_region): Add newlines.
5032 2006-04-30 Roger Sayle <roger@eyesopen.com>
5034 * common.opt (Woverflow): New command line option.
5035 * c-common.c (constant_expression_warning): Check warn_overflow.
5036 (overflow_waring): Pass OPT_Woverflow to warning.
5037 (unsigned_conversion_warning): Likewise.
5038 (convert_and_check): Likewise.
5039 * doc/invoke.texi: Document new command line option.
5041 2006-04-30 David Edelsohn <edelsohn@gnu.org>
5043 * config/rs6000/rs6000.c (rs6000_override_options): Enable
5044 TARGET_NO_FP_IN_TOC for section anchors.
5045 (optimization_options): Enable section anchors for all
5046 non-"Objective" languages.
5048 2006-04-28 Eric Christopher <echristo@apple.com>
5050 * config/darwin-c.c (darwin_ms_struct): Move this
5051 (darwin_set_default_type_attributes): and this...
5052 * config/darwin.c: ... here.
5053 * config/darwin.h (darwin_ms_struct): Declare.
5055 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
5057 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
5059 2006-04-28 Roger Sayle <roger@eyesopen.com>
5062 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
5063 (push_array_bounds): Delete prototype. Change BOUNDS argument to
5064 an unsigned HOST_WIDE_INT.
5065 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
5067 (really_start_incremental_init): No need to call convert because
5068 bitsize_zero_node is already of type bitsizetype.
5069 (push_init_level): Extract the value of constructor_index as an
5070 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
5071 (process_init_element): Likewise.
5073 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
5075 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
5076 value before passing to make_relative_prefix.
5078 2006-04-28 Alan Modra <amodra@bigpond.net.au>
5081 * builtins.c (expand_builtin_memset): Expand val in original mode.
5083 2006-04-27 Eric Christopher <echristo@apple.com>
5085 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
5086 with #ifndef/#endif.
5087 * config/darwin-c.c (darwin_ms_struct): New.
5088 (darwin_pragma_ms_struct): Ditto.
5089 (darwin_set_default_type_attributes): Ditto.
5090 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
5091 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
5092 Register ms_struct pragma.
5093 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
5094 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
5095 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
5096 darwin_set_default_type_attributes if TARGET_MACHO.
5098 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
5100 PR tree-optimization/26854
5101 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
5102 * doc/tree-ssa.texi: Update immuse iterator documentation.
5103 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
5104 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
5105 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
5106 first_safe_imm_use, next_safe_imm_use): Remove.
5107 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
5108 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
5109 (move_use_after_head): New. Helper function to sort immuses in a stmt.
5110 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
5111 (first_imm_use_stmt): New. Get first stmt in an immuse list.
5112 (next_imm_use_stmt): New. Get next stmt in an immuse list.
5113 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
5114 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
5115 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
5116 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
5117 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
5118 (perfect_nestify): Use new iterator.
5119 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
5121 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
5122 (next_imm_name): New field in struct immediate_use_iterator_d.
5123 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
5124 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
5125 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
5126 * tree-cfg.c (replace_uses_by): Use new iterator.
5127 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
5128 * tree-ssa-operands.c (correct_use_link): Remove.
5129 (finalize_ssa_use_ops): No longer call correct_use_link.
5131 2006-04-27 Stuart Hastings <stuart@apple.com>
5133 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
5134 * config/t-darwin (crt3.o): Use it.
5135 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
5136 'pmode', use Pmode instead of SImode for SYMBOL_REF.
5137 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
5138 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
5139 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
5142 2006-04-27 Roger Sayle <roger@eyesopen.com>
5144 * expmed.c (store_fixed_bit_field): If we're not optimizing for
5145 size, force the intermediate into a new pseudo rather instead of
5146 performing both a bitwise AND and a bitwise IOR in memory.
5148 2006-04-27 Richard Guenther <rguenther@suse.de>
5150 PR rtl-optimization/26685
5151 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
5152 this one "max-flow-memory-locations".
5154 2006-04-27 Richard Guenther <rguenther@suse.de>
5156 PR tree-optimization/25148
5157 * tree-vrp.c (compare_values): Remove code dealing with
5158 comparisons against type min/max value. Honour overflow
5159 and negative constants in code dealing with comparisons
5160 of plus and minus expressions.
5161 (value_inside_range): Use fold_binary with LE_EXPR and
5162 GE_EXPR rather than compare_values.
5164 2006-04-27 Dirk Mueller <dmueller@suse.de>
5166 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
5169 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
5171 * basic-block.h (safe_insert_insn_on_edge): Removed.
5172 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
5174 2006-04-26 David Edelsohn <edelsohn@gnu.org>
5175 Paolo Bonzini <bonzini@gnu.org>
5178 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
5179 (simplify_and_const_int): Same.
5181 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
5183 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
5185 2006-04-26 Jakub Jelinek <jakub@redhat.com>
5188 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
5189 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
5190 cgraph_global_info_ready.
5193 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
5196 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
5197 either decl or init is error_mark_node.
5200 * tree-flow.h (struct omp_region): Add sched_kind.
5201 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
5202 instead of extracting omp for data.
5203 (expand_omp_for): Save extracted sched_kind.
5205 2006-04-25 Roger Sayle <roger@eyesopen.com>
5207 * expmed.c (store_bit_field): Also check whether the bitsize is
5208 valid for the machine's "insv" instruction before moving the
5209 target into a pseudo for use with the insv.
5210 * config/i386/predicates.md (const8_operand): New predicate.
5211 * config/i386/i386.md (extv, extzv, insv): Use the new
5212 const8_operand predicate where appropriate.
5214 2006-04-25 DJ Delorie <dj@redhat.com>
5216 * doc/install.texi (Specific): Clarify that this is not a list of
5217 supported hosts or targets.
5219 2006-04-25 Richard Sandiford <richard@codesourcery.com>
5221 PR rtl-optimization/26725
5222 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
5223 block's BB_DIRTY flag.
5225 2006-04-25 Geoffrey Keating <geoffk@apple.com>
5227 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
5230 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
5231 to print an integer.
5233 2006-04-25 David Edelsohn <edelsohn@gnu.org>
5235 * varasm.c (align_variable): New function.
5236 (get_block_for_decl): Apply align_variable to DECL before
5237 calculating section information.
5238 (assemble_variable): Split out alignment computation.
5240 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
5242 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
5245 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
5247 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
5248 MODE_PARTIAL_INT mode.
5249 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
5250 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
5252 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
5253 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
5255 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
5257 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
5259 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
5260 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
5261 MACFLAG_IH): Likewise.
5262 (movstricthi_1): Renamed from "*movstricthi".
5263 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
5264 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
5265 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
5266 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
5267 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
5268 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
5269 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
5270 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
5271 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
5272 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
5273 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
5274 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
5275 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
5276 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
5277 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
5279 * doc/rtl.texi (ss_ashift): Improve wording.
5281 2006-04-24 Geoffrey Keating <geoffk@apple.com>
5283 * dwarf2out.c (verify_marks_clear): New.
5284 (prune_unused_types): Call verify_marks_clear initially, not
5287 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
5289 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
5290 * doc/rtl.texi: Document them.
5291 * simplify-rtx.c (simplify_unary_operation,
5292 simplify_binary_operation_1): Don't abort when we see them.
5294 2006-04-24 Mark Mitchell <mark@codesourcery.com>
5297 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5298 * configure.ac: Completely disregard languages that are not
5300 * configure: Regenerated.
5302 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5303 Richard Guenther <rguenther@suse.de>
5305 PR tree-optimization/27236
5306 * tree-inline.c (copy_body_r): Make sure to copy
5307 TREE_THIS_VOLATILE flag.
5309 2006-04-24 Richard Guenther <rguenther@suse.de>
5312 * tree-complex.c (update_parameter_components): Don't handle
5313 unused parameters which have no default def.
5315 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5316 Richard Guenther <rguenther@suse.de>
5318 PR tree-optimization/27218
5319 * tree-inline.c (expand_call_inline): Strip useless type
5320 conversions for the return slot address.
5322 2006-04-24 Richard Guenther <rguenther@suse.de>
5324 * cfgloop.h (struct loops): Remove unused field array. Reorder
5326 (LOOP_PREFETCH): Remove.
5328 2006-04-24 Richard Guenther <rguenther@suse.de>
5330 PR tree-optimization/22525
5331 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
5332 variable, adjust types of generated expressions.
5334 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
5336 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
5337 (tree-vect-patterns.o): Likewise.
5339 (cselib.o): Likewise.
5340 (loop-doloop.o): Likewise.
5341 (regclass.o): Likewise.
5342 (reload1.o): Likewise.
5343 (explow.o): Replace target.h with $(TARGET_H).
5344 (ipa-prop.o): Likewise.
5345 (ipa-cp.o): Likewise.
5346 (ipa-inline.o): Likewise.
5347 (reorg.o): Likewise.
5348 (reg-stack.o): Likewise.
5350 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5352 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
5354 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5356 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
5358 * configure.ac: Completely disregard languages that are not
5360 * configure: Regenerated.
5363 * c-common.h (c_build_bitfield_integer_type): Declare.
5364 * c-decl.c (c_build_bitfield_integer_type): Move to ...
5365 * c-common.c (c_build_bitfield_integer_type): ... here.
5367 2006-04-23 Roger Sayle <roger@eyesopen.com>
5370 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
5371 a SImode SUBREG of a floating point register after no_new_pseudos.
5373 2006-04-23 Roger Sayle <roger@eyesopen.com>
5375 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
5376 identify potentially eliminable registers to additionally catch
5377 VIRTUAL_INCOMING_ARGS_REGNUM.
5378 (addsi3): Update the conditions on when to use addsi_small_int.
5380 2006-04-23 Roger Sayle <roger@eyesopen.com>
5383 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
5384 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
5385 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
5387 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5389 * fold-const.c (range_predecessor): Use operand_equal_p
5390 as the predicate for equality.
5391 (range_successor): Likewise.
5393 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5396 * config/soft-fp/op-common.h: Fix a typo.
5398 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
5401 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
5402 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
5404 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5406 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
5408 * doc/tm.texi: Fix a typo.
5410 2006-04-21 Geoffrey Keating <geoffk@apple.com>
5412 * dwarf2out.c (struct die_struct): Document that die_sib makes
5413 a circular linked list.
5414 (FOR_EACH_CHILD): New.
5415 (reverse_die_lists): Delete.
5416 (reverse_all_dies): Delete.
5417 (add_dwarf_attr): Correct documentation.
5418 (remove_child_with_prev): New.
5419 (remove_child_TAG): Update for change to die_struct, use
5420 remove_child_with_prev.
5421 (add_child_die): Update for change to die_struct.
5422 (splice_child_die): Use remove_child_with_prev and add_child_die.
5423 (print_die): Use FOR_EACH_CHILD.
5424 (die_checksum): Likewise.
5425 (assign_symbol_names): Likewise.
5426 (output_location_lists): Likewise.
5427 (build_abbrev_table): Likewise.
5428 (calc_die_sizes): Likewise.
5429 (mark_dies): Likewise.
5430 (unmark_dies): Likewise.
5431 (unmark_all_dies): Likewise.
5432 (output_die): Likewise.
5433 (prune_unused_types_mark): Likewise.
5434 (prune_unused_types_walk): Likewise.
5435 (same_die_p): Update for change to die_struct.
5436 (break_out_includes): Likewise.
5437 (prune_unused_types_prune): Likewise.
5438 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
5439 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
5441 (dwarf2out_finish): Don't call reverse_all_dies.
5443 2006-04-21 Eric Christopher <echristo@apple.com>
5445 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
5446 in comments and function names.
5448 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5451 * c-typeck.c (digest_init): Robustify.
5453 * c-typeck.c (pop_init_level): Simplify.
5455 2006-04-21 Steve Ellcey <sje@cup.hp.com>
5457 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
5459 2006-04-21 Paul Brook <paul@codesourcery.com>
5461 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
5462 hardware floating point.
5464 2006-04-21 David Edelsohn <edelsohn@gnu.org>
5466 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
5469 2006-04-21 Nick Clifton <nickc@redhat.com>
5471 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
5474 2006-04-21 Alan Modra <amodra@bigpond.net.au>
5477 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
5478 C++ lang type in traceback table for Objective-C++.
5480 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
5482 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
5484 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
5486 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5489 * tree-mudflap.c (mudflap_finish_file): Skip function when there
5490 were errors. Remove check for erroneous objects.
5492 2006-04-20 Jeff Law <law@redhat.com>
5494 PR tree-optimization/26854
5495 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
5496 checking for zero or one use.
5497 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
5498 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
5499 * tree-ssa-reassoc.c (negate_value): Similarly.
5500 (reassociate_bb): Similarly.
5502 2006-04-20 Jakub Jelinek <jakub@redhat.com>
5504 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
5505 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
5506 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
5508 2006-04-20 Alan Modra <amodra@bigpond.net.au>
5510 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
5511 fp regs if the last fp arg doesn't fit in regs.
5513 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
5516 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
5517 that the last insn has the REG_INC note.
5519 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
5520 Nathan Sidwell <nathan@codesourcery.com>
5523 * stor-layout.c (update_alignment_for_field): Do not align
5525 (place_union_field): Place union field at the start of the union.
5526 (place_field): Move ERROR_MARK check later, and use the current
5527 allocation position to maintain monotonicity.
5529 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
5531 * dominance.c: Include timevar.h.
5532 (calculate_dominance_info): Use TV_DOMINANCE.
5533 * timevar.def (TV_DOMINANCE): New timevar.
5534 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
5536 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5538 PR rtl-optimization/14261
5539 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
5540 move would be an INSV insn.
5541 (noce_process_if_block): Don't optimize if the destination is a
5542 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
5544 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5546 * config/s390/s390.md: Add comments with the instructions emitted
5547 by an insn pattern if macros are used.
5549 2006-04-19 Alan Modra <amodra@bigpond.net.au>
5551 PR rtl-optimization/26026
5552 * fold-const.c (fold_binary): Optimize div and mod where the divisor
5553 is a known power of two shifted left a variable amount.
5555 2006-04-18 Geoffrey Keating <geoffk@apple.com>
5557 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
5558 to hash table twice when the debug_str section has SECTION_MERGE.
5560 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
5562 * config/soft-fp: New directory. From glibc.
5563 * config/soft-fp/t-softfp: New.
5564 * config/soft-fp/README: New.
5565 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
5566 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
5567 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
5568 (LIBGCC_DEPS): Add $(SFP_MACHINE).
5569 * config.gcc: Use rs6000/t-fprules-fpbit or
5570 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
5572 * config/rs6000/sfp-machine.h: New. Based on glibc.
5573 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
5575 * config/rs6000/t-fprules: Remove fp-bit rules.
5576 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
5577 * config/rs6000/t-linux64: Likewise. Remove duplicates from
5578 LIB2FUNCS_EXTRA. Remove fp-bit rules.
5579 (softfp_wrap_start, softfp_wrap_end): New.
5581 2006-04-18 DJ Delorie <dj@redhat.com>
5583 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
5585 2006-04-18 Devang Patel <dpatel@apple.com>
5587 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
5589 2006-04-18 Nick Clifton <nickc@redhat.com>
5591 * config/sh/t-symbian: Add rule to build sh-c.o
5592 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
5593 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
5594 (sh_symbian_encode_section_info): Likewise.
5596 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
5598 * builtins.c (expand_builtin_strcmp): Cover label definition of
5599 do_libcall with HAVE_cmpstrnsi.
5601 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
5603 * function.c (temp_slots_at_level, max_slot_level): Use VEC
5605 * function.h (temp_slot_p): New.
5606 (function): Change the type of x_used_temp_slots to
5607 VEC(temp_slot_p,gc) *.
5609 2006-04-18 Nick Clifton <nickc@redhat.com>
5611 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
5612 flag_strength_reduce.
5614 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
5616 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5620 Partial revert of revision 112637
5621 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5622 Dale Johannesen <dalej@apple.com>
5625 * regclass.c (struct reg_pref): Update documentation.
5626 (regclass): Set prefclass to NO_REGS if memory is the best option.
5627 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5629 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5631 PR tree-optimization/26821
5632 * tree-ssa-math-opts.c (get_constant_one): New.
5633 (insert_reciprocals): Use it.
5635 2006-04-17 Geoffrey Keating <geoffk@apple.com>
5637 * dwarf2out.c (free_AT): Delete.
5638 (remove_AT): Update string ref counts.
5639 (remove_child_TAG): Don't call free_die.
5641 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
5642 or DW_TAG_GNU_EINCL.
5643 (prune_unused_types_walk_attribs): Reset string refcounts.
5644 (prune_unused_types_update_strings): New.
5645 (prune_unused_types_prune): Don't make unnecessary stores. Don't
5646 call free_die. Do call prune_unused_types_update_strings.
5647 (prune_unused_types): Empty debug_str_hash.
5649 2006-04-17 Roger Sayle <roger@eyesopen.com>
5651 * expr.c (expand_assignment): Optimize away no-op moves where the
5652 source and destination are equal and have no side-effects.
5654 2006-04-17 Richard Guenther <rguenther@suse.de>
5657 * reload.c (push_reload): Guard calls to get_secondary_mem
5660 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
5662 * alias.c (reg_base_value, old_reg_base_value): Change the
5663 type to VEC(rtx,gc) *.
5664 (REG_BASE_VALUE, find_base_value, record_set,
5665 init_alias_analysis): Use VEC instead of VARRAY.
5667 * alias.c (alias_sets): Change the type to
5668 VEC(alias_set_entry,gc) *.
5669 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
5670 VEC instead of VARRAY.
5671 (last_alias_set): Remove.
5673 * cgraph.h (cgraph_edge_p): New.
5674 Update the prototype of cgraph_function_versioning.
5675 * cgraphunit.c (cgraph_copy_node_for_versioning,
5676 cgraph_function_versioning): Use VEC instead of VARRAY.
5677 * ipa-cp.c (ipcp_insert_stage): Likewise.
5679 2006-04-16 Roger Sayle <roger@eyesopen.com>
5682 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
5683 "A op B" or "A op C", we may need to convert A to the type of B and C.
5685 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
5687 * target.h (struct gcc_target): Add mode_rep_extended.
5688 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
5689 (init_num_sign_bit_copies_in_rep): Initialize it using
5691 (truncate_to_mode): Use it.
5692 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
5693 * targhooks.h (default_mode_rep_extended): Declare it.
5694 * targhooks.c (default_mode_rep_extended): Define it.
5695 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
5696 default_mode_rep_extended.
5697 (TARGET_INITIALIZER): Include it.
5698 * doc/tm.texi (Misc): Document it.
5699 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
5700 (mips_truncated_to_mode): New function.
5702 2006-04-16 Roger Sayle <roger@eyesopen.com>
5705 * expr.c (compress_float_constant): Copy the narrow constant into
5706 a new pseudo before extending it to its final width.
5708 2006-04-16 Roger Sayle <roger@eyesopen.com>
5709 Andrew Pinski <pinskia@gcc.gnu.org>
5710 Dale Johannesen <dalej@apple.com>
5713 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
5714 special case code to implement V8HImode and V16QImode with SSE2.
5716 2006-04-15 Roger Sayle <roger@eyesopen.com>
5718 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
5719 trees are constructed with a suitable tree type.
5721 2006-04-15 Roger Sayle <roger@eyesopen.com>
5723 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
5724 (integer_onep): Likewise.
5725 (integer_all_onesp): Likewise.
5726 (integer_pow2p): Likewise.
5727 (integer_nonzerop): Likewise.
5728 (real_zerop): Likewise.
5729 (real_onep): Likewise.
5730 (real_twop): Likewise.
5731 (real_minus_onep): Likewise.
5732 (int_size_in_bytes): Likewise.
5733 (host_integerp): Likewise.
5735 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
5737 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
5738 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
5739 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
5741 * tree-ssa-structalias.h (alias_info): Remove num_references.
5743 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5745 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
5746 (output_bvb patterns): Likewise.
5747 * pa.c (output_bb): Use 'bb' insn for long branch case.
5748 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
5749 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
5750 1. Correct length operand for alternatives 1 and 2.
5751 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
5752 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
5754 2006-04-14 Roger Sayle <roger@eyesopen.com>
5756 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
5757 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
5758 were accidentally reverted by r112959.
5760 2006-04-15 Jakub Jelinek <jakub@redhat.com>
5763 * except.h (eh_region_outermost): New prototype.
5764 * except.c (eh_region_outermost): New function.
5765 * tree-cfg.c (find_outermost_region_in_block): Use it.
5767 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5769 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
5771 * reload1.c (reg_equiv_memory_loc_varray): Rename to
5772 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
5773 (init_reload, reload): Use VEC instead of VARRAY.
5774 * reload.h: Update the prototype for
5775 reg_equiv_memory_loc_varray.
5777 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
5778 Eric Botcazou <ebotcazou@libertysurf.fr>
5780 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
5783 2005-04-13 Uros Bizjak <uros@kss-loka.si>
5786 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
5787 to expand fallback builtin function call.
5789 2006-04-14 Alan Modra <amodra@bigpond.net.au>
5792 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
5793 and emit libcall here in case the builtin fails.
5794 (expand_builtin_strcmp): Always emit the libcall here on failure.
5796 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5798 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
5799 * flow.c (reg_n_info): Change the type to
5800 VEC(reg_info_p,heap) *.
5801 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
5803 * regs.h (reg_info_p): New.
5804 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
5805 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
5806 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
5809 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
5811 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
5813 * params.h (MAX_SCHED_READY_INSNS): New macro.
5814 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
5815 past MAX_SCHED_READY_INSNS during the first scheduling pass.
5816 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
5817 the ready list for 1 cycle during the first scheduling pass.
5818 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
5820 2006-04-13 Richard Henderson <rth@redhat.com>
5823 * gimple-low.c (lower_omp_directive): Remove dead code.
5824 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
5825 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
5826 * omp-low.c (struct omp_region): Move to tree-flow.h.
5827 (root_omp_region): Export.
5828 (omp_regions, lookup_omp_region): Remove.
5829 (determine_parallel_type): Update for struct omp_region changes.
5830 (dump_omp_region): Dump regions with block numbers.
5831 (new_omp_region): Take type and block instead of stmt; malloc
5833 (free_omp_region_1, free_omp_regions): New.
5834 (expand_parallel_call): Take entry_stmt as argument; update for
5835 changes to omp_region.
5836 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
5837 (remove_exit_barriers): New.
5838 (expand_omp_parallel): Update for struct omp_region changes.
5839 (expand_omp_synch): Likewise.
5840 (expand_omp): Likewise.
5841 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
5842 (expand_omp_for_static_chunk): Likewise.
5843 (expand_omp_for): Likewise.
5844 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
5845 (expand_omp_sections): Similarly, with GOMP_sections_end.
5846 (expand_omp_single): New.
5847 (build_omp_regions_1): Update for OMP_CONTINUE.
5848 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
5849 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
5850 OMP_SECTIONS_SECTIONS.
5851 (lower_omp_single_simple): Don't emit barrier here.
5852 (lower_omp_single_copy): Likewise.
5853 (lower_omp_single): Fix bindings, and lower to straightline now.
5854 (lower_omp_master, lower_omp_ordered): Likewise.
5855 (lower_omp_critical): Likewise.
5856 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
5857 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
5858 omp edges, free it afterward.
5859 (make_omp_sections_edges): Remove.
5860 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
5861 (move_stmt_r): Handle OMP_CONTINUE.
5862 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
5863 statement pointers to basic blocks. Add type member.
5864 (root_omp_region, new_omp_region, free_omp_regions): Declare.
5865 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
5866 * tree-inline.c (estimate_num_insns_1): Likewise.
5867 * tree-pretty-print.c (dump_generic_node): Likewise.
5868 * tree-ssa-operands.c (get_expr_operands): Likewise.
5869 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
5870 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
5871 (OMP_CONTINUE): New.
5872 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
5873 (OMP_SECTIONS_SECTIONS): Remove.
5874 (OMP_SECTION_LAST): New.
5875 (OMP_RETURN_NOWAIT): New.
5877 2006-04-13 Roger Sayle <roger@eyesopen.com>
5879 * fold-const.c (native_encode_vector, native_interpret_real):
5880 Correct obvious mistakes in the previous check-in.
5882 2006-04-13 Roger Sayle <roger@eyesopen.com>
5884 * fold-const.c (native_encode_expr): New function to encode
5885 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
5886 or VECTOR_CST into a specified buffer.
5887 (native_encode_int): New function.
5888 (native_encode_real): New function.
5889 (native_encode_complex): New function.
5890 (native_encode_vector): New function.
5891 (native_interpret_expr): Inverse of native_encode_expr to convert
5892 a target representation into an INTEGER_CST, REAL_CST etc...
5893 (native_interpret_int): New function.
5894 (native_interpret_real): New function.
5895 (native_interpret_complex): New function.
5896 (native_interpret_vector): New function.
5897 (fold_view_convert_expr): New function to constant fold/evaluate
5898 a VIEW_CONVERT_EXPR of a suitable constant expression.
5899 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
5900 Change call of build1 to fold_build1 when constructing a
5903 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
5904 Ulrich Weigand <uweigand@de.ibm.com>
5907 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
5910 2006-04-13 Alan Modra <amodra@bigpond.net.au>
5913 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
5914 optimize to lo_sum for DFmode if !TARGET_FPRS.
5916 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5918 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
5919 delete_alias_info, compute_flow_sensitive_aliasing,
5920 group_aliases): Use VEC instead of VARRAY.
5921 * tree-ssa-structalias.c (update_alias_info): Likewise.
5922 * tree-ssa-structalias.h (alias_info): Change the type of
5923 processed_ptrs to VEC(tree,heap) *.
5925 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
5928 * config/sh/lib1funcs.h: New file, broken out of:
5929 * config/sh/lib1funcs.asm.
5930 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
5932 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
5933 * config/sh/lib1funcs-Os-4-200.asm: New file.
5934 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
5935 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
5936 (EXTRA_MULTILIB_PARTS): Include it.
5937 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
5938 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
5939 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
5940 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
5943 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5945 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
5946 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
5947 tpa_compact, root_var_init, type_var_init): Use VEC instead of
5949 * tree-ssa-live.h: Include vecprim.h.
5950 (tree_partition_associator_d): Change the type of
5951 first_partition to VEC(int,heap) *.
5952 (tpa_first_partition): Use VEC instead of VARRAY.
5954 * Makefile.in (GTFILES): Move functions.h after tree.h.
5955 * function.c (reset_block_changes, record_block_change,
5956 check_block_change, free_block_changes): Use VEC instead of
5958 * function.h (function): Change the type of
5959 ib_boundaries_block to VEC(tree,gc) *.
5960 * tree-inline.c (copy_cfg_body): Initialize
5961 ib_boundaries_block to NULL instead of (varray_type) 0.
5963 2006-04-12 Roger Sayle <roger@eyesopen.com>
5965 * expr.c (emit_group_store): Correct operand order in call to
5966 subreg_lowpart_offset. Always create paradoxical SUBREGs with
5967 a SUBREG_BYTE of zero.
5969 2006-04-12 Richard Guenther <rguenther@suse.de>
5971 * profile.c (compute_branch_probabilities): Remove code
5972 encapsulated in !ir_type (), which are remanents of the
5973 removed RTL profiling code.
5974 * rtl-profile.c: Remove.
5976 2006-04-12 Alan Modra <amodra@bigpond.net.au>
5978 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
5979 magic NULL_RTX comment.
5980 (function_arg): Store entire fp arg to mem if any part should go
5982 (rs6000_arg_partial_bytes): Adjust for above change.
5984 2006-04-11 Roger Sayle <roger@eyesopen.com>
5986 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
5987 if it hasn't been initialized by dwarf2out_init.
5989 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
5991 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
5992 symbolic constants in branch patterns.
5994 2006-04-11 Roger Sayle <roger@eyesopen.com>
5996 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
5998 2006-04-11 Richard Sandiford <richard@codesourcery.com>
6000 PR rtl-optimization/27073
6001 * gcse.c (try_replace_reg): Revert last change. Continue to search
6002 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
6005 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6007 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
6008 aggregate types other than record and union types.
6009 (function_arg): Likewise.
6010 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
6012 (function_value): In 64-bit mode, return objects that require it
6015 2006-04-11 Roger Sayle <roger@eyesopen.com>
6017 * dwarf2out.c (premark_used_types): Remove problematic prototype.
6019 2006-04-11 Jakub Jelinek <jakub@redhat.com>
6021 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
6023 2006-04-03 Jeff Law <law@redhat.com>
6026 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
6027 alias information too.
6029 2006-04-10 Mike Frysinger <vapier@gentoo.org>
6031 * Makefile.in (gcc-cross): Add $(exeext) to target name.
6033 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
6036 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
6037 (premark_used_types_helper): New.
6038 (premark_used_types): New.
6039 (gen_subprogram_die): Call premark_used_types.
6040 (prune_unused_types_walk): Do not prune perennial dies.
6041 * function.c (used_types_insert): New.
6042 * function.h (struct function): Add used_types_hash field.
6043 (used_types_insert): Add prototype.
6044 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
6045 * c-parser.c (c_parser_cast_expression): Save casted types in used
6048 2006-04-11 Mark Mitchell <mark@codesourcery.com>
6051 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
6052 rs6000_explicit_options.float_gprs.
6054 2006-04-10 Roger Sayle <roger@eyesopen.com>
6056 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
6057 from ix86_expand_vector_init_low_nonzero. Take an additional
6058 one_var argument indicating which element is non-zero. Support
6059 one_var != 0 for V4SFmode and V4SImode by permuting the result.
6060 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
6061 with one_var instead of ix86_expand_vector_init_low_nonzero.
6063 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
6065 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
6066 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
6067 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
6068 build/genextract.o): Depend on vecprim.h.
6069 * cfglayout.c, df-problems.c, function.c, genextract.c,
6070 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
6071 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
6075 2006-04-10 Geoffrey Keating <geoffk@apple.com>
6077 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
6078 Declare VECs of this type.
6079 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
6080 (remove_children): Delete.
6081 (add_dwarf_attr): Use VEC routines.
6082 (add_AT_flag): Update for changes to add_dwarf_attr.
6083 (add_AT_int): Likewise.
6084 (add_AT_unsigned): Likewise.
6085 (add_AT_long_long): Likewise.
6086 (add_AT_vec): Likewise.
6087 (add_AT_string): Likewise.
6088 (add_AT_die_ref): Likewise.
6089 (add_AT_fde_ref): Likewise.
6090 (add_AT_loc): Likewise.
6091 (add_AT_loc_list): Likewise.
6092 (add_AT_addr): Likewise.
6093 (add_AT_lbl_id): Likewise.
6094 (add_AT_lineptr): Likewise.
6095 (add_AT_macptr): Likewise.
6096 (add_AT_offset): Likewise.
6097 (add_AT_range_list): Likewise.
6098 (get_AT): Use VEC_iterate.
6099 (remove_AT): Use VEC_ordered_remove.
6100 (free_die): Fold remove_children into here; have it use VEC_iterate.
6101 (print_die): Use VEC_iterate on attrs.
6102 (reverse_die_lists): Don't reverse attr lists.
6103 (die_checksum): Use VEC_iterate on attrs.
6104 (same_die_p): Likewise.
6105 (output_location_lists): Likewise.
6106 (build_abbrev_table): Likewise.
6107 (size_of_die): Likewise.
6108 (unmark_all_dies): Likewise.
6109 (output_abbrev_section): Likewise.
6110 (output_die): Likewise.
6111 (prune_unused_types_walk_attribs): Likewise.
6113 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6115 * doc/install.texi (*-*-solaris2*): Point to the configure page.
6117 2006-04-10 Jakub Jelinek <jakub@redhat.com>
6120 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
6122 2006-04-09 Roger Sayle <roger@eyesopen.com>
6124 * expr.c (store_constructor): Don't bother clearing target if
6125 we're about to assign a vector to it using vec_init_optab.
6127 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
6129 * tree-ssa-alias.c (lhs_may_store_to): New function.
6130 (recalculate_used_alone): Handle LHS of calls.
6132 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6136 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
6137 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
6138 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
6139 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
6140 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
6141 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
6142 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
6143 stubs. Add ".align 8" directives before all ".dword" directives.
6144 (GTHREAD_USE_WEAK): Revise comment.
6145 (TARGET_ATTRIBUTE_WEAK): Define.
6146 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
6147 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
6148 * stublib.c: New file.
6153 * pa.md (cbranch patterns): Revise arguments used in calls to
6154 output_cbranch, output_bb and output_bvd. Add long branch length
6156 (fbranch patterns): Handle long branches.
6157 (jump): Revise length check. Revise arguments for output_lbranch call.
6158 Add long branch length attributes.
6159 (decrement_and_branch_until_zero): Add long branch length attributes.
6160 (output_movb, output_parallel_addb and output_parallel_movb patterns):
6161 Likewise. Revise arguments for output_parallel_addb and
6162 output_parallel_movb calls.
6163 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
6164 output_parallel_movb and output_parallel_addb): Update prototypes.
6165 * pa.c (output_cbranch): Revise arguments. Correct handling of
6166 nullification in long branches.
6167 (output_lbranch): Add new argument to control extraction of delay
6169 (output_bb): Handle long branches.
6170 (output_bvb, output_dbra, output_movb, output_parallel_movb,
6171 output_parallel_addb): Likewise.
6173 2006-04-09 Richard Sandiford <richard@codesourcery.com>
6175 PR rtl-optimization/27073
6176 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
6179 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
6181 * tree.h (tree_memory_tag): Add old_used_alone.
6182 (SMT_OLD_USED_ALONE): New macro.
6183 * tree-ssa-alias.c (recalculate_used_alone): Stop
6184 marking things for renaming unnecessarily.
6186 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
6188 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
6189 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
6190 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
6191 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
6192 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
6193 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
6194 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
6195 spelling convensions.
6196 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
6197 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
6198 typos. Follow spelling conventions.
6200 2006-04-07 DJ Delorie <dj@redhat.com>
6202 * config/m32c/m32c.c (m32c_function_arg): Structures are always
6203 passed on the stack.
6204 (m32c_init_cumulative_args): When a function returns a structure,
6205 always pass the pointer to that return area on the stack.
6206 (m32c_function_arg_advance): Don't increment the parameter number
6207 if we're processing the returned structure pointer.
6208 (pushm_info): Reverse order of registers.
6210 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
6212 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
6213 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
6214 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
6215 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
6217 * tree-chrec.c (chrec_fold_multiply_poly_poly,
6218 chrec_fold_multiply): Same.
6219 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
6220 force_expr_to_var_cost): Same.
6221 * tree-mudflap.c (mf_xform_derefs_1): Same.
6222 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
6224 2006-04-07 David Edelsohn <edelsohn@gnu.org>
6226 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
6227 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
6230 2006-04-07 Jan Hubicka <jh@suse.cz>
6232 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
6234 2006-04-07 Richard Guenther <rguenther@suse.de>
6236 PR tree-optimization/26135
6237 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
6238 loads for store copy-prop.
6239 (copy_prop_visit_stmt): Likewise.
6241 2006-04-05 Robert Millan <robertmh@gnu.org>
6243 * config/i386/linux.h: Add a comment to mark macros that are
6244 being overriden in config/k*bsd-gnu.h.
6245 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
6247 * config/knetbsd-gnu.h: Ditto.
6249 2006-04-06 Jan Hubicka <jh@suse.cz>
6253 * coverage.c (coverage_checksum_string): Reorganize loop to not read
6256 2006-04-06 Mike Stump <mrs@apple.com>
6258 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
6259 for HAVE_nonlocal_goto to be consistent.
6260 (expand_builtin_nonlocal_goto): Likewise.
6261 (expand_builtin_strcmp): Use #ifdef instead of #if
6262 for HAVE_cmpstrnsi to be consistent.
6264 2006-04-05 DJ Delorie <dj@redhat.com>
6266 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
6269 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
6271 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
6272 got-relative addressing for anything but SImode.
6274 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
6275 even if the calling function doesn't modify them.
6277 2006-04-05 Richard Guenther <rguenther@suse.de>
6279 PR tree-optimization/26919
6280 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
6281 to cgraph_estimate_size_after_inlining.
6283 2006-04-05 Alan Modra <amodra@bigpond.net.au>
6285 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
6287 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
6289 PR tree-optimization/26996
6290 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
6291 VECTOR_TYPE variables.
6293 2006-04-05 Richard Guenther <rguenther@suse.de>
6295 PR tree-optimization/26763
6296 * fold-const.c (fold_comparison): Move folding of
6297 PTR + CST CMP PTR + CST ...
6298 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
6300 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
6302 * doc/install.texi (Prerequisites): Refine some wording on
6303 bootstrapping and ksh.
6304 Move the version numbers of DejaGnu here from the testing section
6305 and fix casing of names.
6306 Fix markup and clarify wording for autogen requirements.
6307 Refer to GCJ instead of just java.
6308 Refer to SVN instead of CVS.
6309 Describe diffutils as useful instead of necessary.
6310 (Downloading the source): Refer to SVN instead of CVS.
6311 Adjust a link to our web site accordingly.
6312 (Configuration): Fix casing of Bison.
6313 (Building): Refer to SVN instead of CVS.
6314 Fix a sentence on the use of Bison and remove duplicate (and
6315 incorrect) version number of Bison requirement.
6316 Remove one redundant list of packages needed for building.
6317 (Specific): Avoid reference to CVS.
6319 2006-04-04 Eric Christopher <echristo@apple.com>
6321 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
6322 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
6323 (rs6000_handle_struct_attribute): New.
6324 (rs6000_ms_bitfield_layout_p): Ditto.
6326 2006-04-04 Geoffrey Keating <geoffk@apple.com>
6328 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
6329 NULL for dso parameter to atexit_common.
6331 2006-04-04 Eric Christopher <echristo@apple.com>
6333 * config/i386/i386.c (machopic_output_stub): Output \t
6334 between instructions and operands.
6336 2006-04-04 David Edelsohn <edelsohn@gnu.org>
6338 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
6339 satisfies_constraint_[IL] to explicit tests on value.
6341 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
6343 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6344 set_nb_iterations_in_loop): Use build_int_cst instead of
6346 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
6347 build_int_cst instead of convert.
6349 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
6351 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
6352 new value 2 for incoming.
6353 * function.c (expand_function_start): Call struct_value_rtx
6355 * config/sparc/sparc.md: Comment updated_return.
6356 * config/sparc/sparc.opt: Add -mstd-struct-return option.
6357 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
6358 struct return if sparc_std_struct_return and incoming is 2.
6359 (print_operand): Do not adjust return if
6360 sparc_std_struct_return.
6362 2006-04-04 Roger Sayle <roger@eyesopen.com>
6364 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
6365 convert in the middle-end.
6366 * expr.c (store_expr, store_constructor, get_inner_reference,
6367 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
6369 * tree.c (build_range_type): Likewise.
6371 2006-04-04 Tom Tromey <tromey@redhat.com>
6373 * doc/install.texi (Prerequisites): Mention jar.
6375 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
6377 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
6380 2006-04-04 Matthias Klose <doko@debian.org>
6382 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
6383 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
6386 2006-04-03 Geoffrey Keating <geoffk@apple.com>
6388 * doc/extend.texi (Function Attributes): Rewrite visibility
6389 attribute documentation.
6390 * doc/invoke.texi (C++ Dialect Options): Rewrite
6391 -fvisibility-inlines-hidden documentation to describe something
6392 entirely different, although in practise compatible.
6393 (Code Gen Options): Warn about system headers in -fvisibility=
6396 * doc/extend.texi (Other Builtins): Document that
6397 __builtin_nan is a compile-time constant only when its argument
6400 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
6402 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
6403 trying to remove TRUNCATE check if all bits outside the new mode
6404 are identical to the sign bit.
6406 2006-04-03 Jeff Law <law@redhat.com>
6408 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
6409 and operand scanning in some common cases.
6411 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6412 Dale Johannesen <dalej@apple.com>
6415 * regclass.c (struct reg_pref): Update documentation.
6416 (regclass): Set prefclass to NO_REGS if memory is the best option.
6417 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6418 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
6419 into account. For non-registers, equate an empty preferred
6420 reload class to a `!' in the constraint; move the if clause to
6421 do so after those that reject the insn.
6422 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
6424 (find_dummy_reload): Likewise.
6425 * doc/tm.texi (Register Classes): Document what it means
6426 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
6427 * config/i386/i386.c (ix86_preferred_reload_class): Force
6428 using SSE registers (and return NO_REGS for floating-point
6429 constants) if math is done with SSE.
6430 (ix86_preferred_output_reload_class): New.
6431 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
6432 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
6433 * config/i386/i386.md: Remove # register preferences.
6435 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6438 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6439 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
6440 the type of nb_iter.
6441 (instantiate_parameters_1): Convert the operands before calling
6442 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
6443 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
6445 2006-04-02 Roger Sayle <roger@eyesopen.com>
6447 * builtins.c (dummy_object): Use build_int_cst instead of convert.
6448 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
6450 * dojump.c (do_jump): Likewise.
6451 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
6452 * gimplify.c (gimple_boolify, gimplify_init_constructor,
6453 gimplify_boolean_expr): Likewise.
6454 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
6455 * varasm.c (array_size_for_constructor): Likewise.
6456 * tree-object-size.c (compute_object_offset): Likewise.
6458 2006-04-02 Roger Sayle <roger@eyesopen.com>
6461 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
6462 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
6464 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6466 PR tree-optimization/26939
6467 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
6469 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6471 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
6472 at_stmt. Convert the type of operands before calling
6473 build_polynomial_chrec.
6474 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
6476 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
6477 (instantiate_parameters_1): Convert the type of operands before calling
6478 build_polynomial_chrec.
6479 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
6480 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
6481 reset_evolution_in_loop): Insert asserts to check the types of the
6483 (chrec_type): Moved...
6484 (eq_evolutions_p): Use operand_equal_p.
6485 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
6486 the types of the operands.
6487 (chrec_type): ...here.
6488 * tree-data-ref.c (create_data_ref): Convert the operands before
6489 calling chrec_replace_initial_condition.
6490 (same_access_functions, analyze_subscript_affine_affine,
6491 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
6492 (compute_subscript_distance, analyze_ziv_subscript,
6493 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
6494 analyze_miv_subscript): Convert the operands before calling
6495 chrec_fold_minus or chrec_fold_plus.
6497 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6499 * tree-data-ref.c (compute_all_dependences): Use a pointer to
6500 the dependence_relations vector.
6501 (compute_data_dependences_for_loop): Adjust call to
6502 compute_all_dependences.
6504 2006-04-01 Roger Sayle <roger@eyesopen.com>
6505 Richard Henderson <rth@redhat.com>
6507 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
6508 gimple_boolify on the condition before calling gimplify_expr.
6510 2006-03-31 Bob Wilson <bob.wilson@acm.org>
6512 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
6513 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
6514 the frame size. Update to use the new macros.
6515 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
6516 * config/xtensa/ieee754-df.S: Likewise.
6518 2006-03-31 Richard Henderson <rth@redhat.com>
6520 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
6521 (make_edges): ... here. Control fallthru creation with a local
6522 variable. Do not play with fake edges.
6523 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
6524 (make_goto_expr_edges): Don't play with fake edges. Make for_call
6527 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
6529 * dwarf2.h (DW64_CIE_ID): Define.
6530 * dwarf2out.c (DWARF_CIE_ID): Define.
6531 (output_call_frame_info): Output 0xffffffff before standard 8-byte
6532 length header. Use DWARF_CIE_ID.
6533 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
6534 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
6536 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
6538 * config/sh/linux-atomic.asm: New file.
6539 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
6541 2006-03-31 DJ Delorie <dj@redhat.com>
6543 * config/m32c/cond.md: Set condition flags properly throughout.
6544 * config/m32c/minmax.md: Likewise.
6545 * config/m32c/prologue.md: Likewise.
6546 * config/m32c/bitops.md: Likewise.
6547 * config/m32c/muldiv.md: Likewise.
6548 * config/m32c/mov.md: Likewise.
6549 * config/m32c/addsub.md: Likewise.
6550 * config/m32c/m32c.md: Likewise.
6551 * config/m32c/jump.md: Likewise.
6552 * config/m32c/shift.md: Likewise.
6554 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
6555 conditionally output the pattern for this.
6556 * config/m32c/m32c.c (flags_needed_for_conditional): New.
6557 (m32c_compare_redundant): New.
6558 (m32c_output_compare): New.
6559 * config/m32c/m32c-protos.h (m32c_output_compare): New.
6561 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
6562 dest, not src. Allow other 4-byte modes.
6564 2006-03-30 Denis Chertykov <denisc@overta.ru>
6566 * doc/md.texi: Refer to avr/constraints.md instead of
6569 2006-03-30 Roger Sayle <roger@eyesopen.com>
6571 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
6572 signed vs. unsigned comparison failures on some hosts.
6574 2006-03-31 Alan Modra <amodra@bigpond.net.au>
6577 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
6578 change to FLOAT_REGS.
6580 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
6581 (rs6000_override_options): Use it.
6582 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
6583 only for -mabi=spe/no-spe and -mabi=altivec.
6585 2006-03-30 Geoffrey Keating <geoffk@apple.com>
6587 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
6590 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
6592 * Makefile.in: Rename docdir to gcc_docdir.
6594 2006-03-30 Roger Sayle <roger@eyesopen.com>
6597 * expr.c (emit_group_store): Optimize group stores into a pseudo
6598 register by using a paradoxical subreg to initialize the destination
6599 if the first or last member of the group specifies a "low part".
6601 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6604 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
6605 * target.h (struct gcc_target.speculate_insn): Change type of the
6606 second parameter to 'int'.
6607 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
6608 the second operand of the DEPS_LIST.
6609 (copy_DEPS_LIST_list): Update reference to the second operand of the
6611 * rtl.h (alloc_DEPS_LIST): Update signature.
6612 * sched-int.h (ds_t): Change typedef to 'int'.
6613 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6615 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6617 * haifa-sched.c (try_ready): Change condition to restore
6618 non-speculative pattern of the instruction.
6619 (process_insn_depend_be_in_spec): Code to keep probability of the
6620 speculative dependence non-decreasing.
6622 2006-03-30 Jie Zhang <jie.zhang@analog.com>
6624 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
6625 (single_move_for_movmem): ... this. Also change all uses.
6626 (bfin_expand_strmov): Renamed to...
6627 (bfin_expand_movmem): ... this. Also change all uses.
6628 * config/bfin/bfin.md (movstrsi): Renamed to...
6629 (movstrsi): ...this.
6631 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
6633 PR tree-optimization/26830
6635 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
6636 (copy_prop_visit_stmt): Remove write-only variable ann.
6637 (init_copy_prop): Check variable loop depth here. Do not simulate
6638 memory-tag and virtual operand PHIs except for store copy prop.
6640 2006-03-30 Richard Guenther <rguenther@suse.de>
6642 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
6643 variants with double arguments.
6645 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6647 * genpreds.c (write_tm_constrs_h): Delete variable p.
6648 * genconditions.c (write_header): Add tm-constrs.h to included
6650 * genpeep.c (main): Add toplev.h to included headers.
6651 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
6652 (build/genpeep.o): Add toplev.h dependency.
6653 * config/rs6000/constraints.md: Add "W" constraint.
6655 2006-03-29 Roger Sayle <roger@eyesopen.com>
6657 * stor-layout.c (mode_for_size_tree): Remove restiction on type
6658 sizes by correctly testing whether the size fits a host integer.
6659 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
6660 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
6661 SImode range for the default sizetype and bitsizetype.
6663 2006-03-29 Roger Sayle <roger@eyesopen.com>
6665 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
6666 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
6667 quickly if the argument is already of the correct type.
6668 Call fold_build1 instead of build1. Tidy up blank lines.
6670 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6672 * genemit.c (main): Add tm-constrs.h to included headers.
6673 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
6674 * genpeep.c (main): Add tm-constrs.h to included headers.
6675 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
6676 (write_tm_constrs_h): this and write complete file.
6677 (write_tm_preds_h): Do not emit satisfies_constraint fns.
6678 (write_insn_preds_c): Add tm-constrs.h to included headers.
6679 (gen_constrs): New variable.
6680 (parse_option): Parse "-c".
6681 (main): Invoke write_tm_constrs_h.
6682 * genrecog.c (write_header): Add tm-constrs.h to included headers.
6683 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
6684 (object_out_file): Add tm-constrs.h dependency.
6685 (insn-emit.o): Same.
6686 (insn-output.o): Same.
6687 (insn-peep.o): Same.
6688 (insn-preds.o): Same.
6689 (insn-recog.o): Same.
6690 (tm-constsr.h): New target.
6691 (s-constrs-h): New target.
6693 * config/rs6000/constraints.md: New file.
6694 * config/rs6000/rs6000.c: Include tm-constrs.h.
6695 (num_insn_constant_wide): Convert to satisfies_constraint.
6696 (rs6000_rtx_costs): Convert to satisfies_constraint.
6697 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
6698 (CONST_OK_FOR_LETTER_P): Delete.
6699 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6700 (EXTRA_CONSTRAINT): Delete.
6701 (EXTRA_MEMORY_CONSTRAINT): Delete.
6702 (EXTRA_ADDRESS_CONSTRAINT): Delete.
6703 * config/rs6000/predicates.md: Convert to satisfies_constraint.
6704 * config/rs6000/rs6000.md: Include constraints.md. Convert to
6705 satisfies_constraint.
6707 * config/i386/i386.c: Include tm-constrs.h.
6709 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6711 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
6712 * tree-data-ref.c (find_data_references_in_loop,
6713 compute_data_dependences_for_loop): Use pointers to VEC.
6714 (analyze_all_data_dependences): Adjust calls.
6715 * tree-data-ref.h (find_data_references_in_loop,
6716 compute_data_dependences_for_loop): Adjust declarations.
6717 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
6718 compute_data_dependences_for_loop.
6720 2006-03-29 Paul Brook <paul@codesourcery.com>
6722 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
6725 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6727 PR tree-optimization/26859
6728 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
6730 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
6731 for the step after fold_convert.
6733 2006-03-29 Paul Brook <paul@codesourcery.com>
6735 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
6736 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
6738 2006-03-29 Paul Brook <paul@codesourcery.com>
6741 * targhooks.c (default_narrow_bitfield): New fuction.
6742 * targhooks.h (default_narrow_bitfield): add prototype.
6743 * target.h (gcc_target): Add narrow_volatile_bitfield.
6744 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6745 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
6746 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
6747 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6749 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
6751 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
6753 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
6754 (NR_C_MODES): Add TDmode, DDmode and SDmode.
6755 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
6756 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
6757 (s390_function_arg_float): Allow SDmode and DDmode values to be
6758 passed in floating point registers.
6759 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
6760 check with SCALAR_FLOAT_MODE_P.
6761 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
6763 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6765 PR tree-optimization/25985
6766 * tree-ssa-loop-niter.c (number_of_iterations_le,
6767 number_of_iterations_ne): Make comments more precise.
6768 (number_of_iterations_cond): Add only_exit argument. Use the
6769 fact that signed variables do not overflow only when only_exit
6771 (loop_only_exit_p): New.
6772 (number_of_iterations_exit): Pass result of loop_only_exit_p to
6773 number_of_iterations_cond.
6775 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6777 PR tree-optimization/26643
6778 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
6781 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
6783 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
6784 (divsi3_i4_int): Likewise.
6786 2006-03-28 Roger Sayle <roger@eyesopen.com>
6788 * expr.c (emit_group_store): Only create a new pseudo reg if the
6789 quantity it needs to hold isn't already a suitable pseudo.
6791 2006-03-28 Jeff Law <law@redhat.com>
6793 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
6794 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
6796 2006-03-28 Roger Sayle <roger@eyesopen.com>
6798 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
6799 the equivalent ~X & Y, and the symmetry related transformations.
6800 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
6801 ~X & Y, and symmetry related transforms.
6803 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6805 Revert my 2006-03-27 patches.
6807 2006-03-28 Roger Sayle <roger@eyesopen.com>
6809 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
6810 ~(T1)X, when T1 and T2 are integer types of the same precision
6811 and (T2)X isn't an extension.
6813 2006-03-28 Jeff Law <law@redhat.com>
6815 PR tree-optimization/26796
6816 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
6817 need EH edge cleanups rather than purging them immediately.
6818 (eliminate_degenerate_phis): Handle queued EH cleanups.
6820 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
6822 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
6825 2006-03-27 Roger Sayle <roger@eyesopen.com>
6828 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
6829 cast BIT_NOT_EXPR operand to the correct type.
6831 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
6833 * tree-loop-linear.c: Don't include varray.h.
6834 (gather_interchange_stats, try_interchange_loops,
6835 linear_transform_loops): Use VEC instead of VARRAY.
6836 * lambda-mat.c: Don't include varray.h.
6837 * tree-chrec.c: Same.
6838 * lambda-trans.c: Same.
6839 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
6840 VEC instead of VARRAY.
6841 * tree-vectorizer.h: Idem.
6842 * tree-data-ref.c (dump_data_references,
6843 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
6844 initialize_data_dependence_relation, finalize_ddr_dependent,
6845 compute_all_dependences, find_data_references_in_loop,
6846 compute_data_dependences_for_loop, analyze_all_data_dependences,
6847 free_dependence_relation, free_dependence_relations,
6848 free_data_refs): Idem.
6849 * tree-data-ref.h (data_reference_p, subscript_p): New.
6850 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
6851 VEC instead of VARRAY.
6852 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
6853 (find_data_references_in_loop, compute_data_dependences_for_loop,
6854 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
6855 dump_data_dependence_relations, free_dependence_relations,
6856 free_data_refs): Adjust declaration.
6857 (lambda_transform_legal_p): Move declaration here...
6858 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
6859 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
6860 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
6861 vect_analyze_data_refs): Use VEC instead of VARRAY.
6862 * lambda.h (lambda_transform_legal_p): ...from here.
6863 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
6864 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
6865 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
6866 tree-chrec.o): Don't depend on VARRAY_H.
6868 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6870 * rtl.def (Copyright): Update date.
6871 (DEPS_LIST): Change type of the second operand to 'int'.
6872 * target.h (Copyright): Update date.
6873 (struct gcc_target.speculate_insn): Change type of the second parameter
6875 * lists.c (Copyright): Update date.
6876 (alloc_DEPS_LIST): Change signature. Update reference to the second
6877 operand of the DEPS_LIST.
6878 (copy_DEPS_LIST_list): Update reference to the second operand of the
6880 * rtl.h (Copyright): Update date.
6881 (alloc_DEPS_LIST): Update signature.
6882 * sched-int.h (Copyright): Update date.
6883 (ds_t): Change typedef to 'int'.
6884 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6886 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6888 * haifa-sched.c (Copyright): Update date.
6889 (try_ready): Change condition to restore non-speculative pattern
6891 (process_insn_depend_be_in_spec): Code to keep probability of the
6892 speculative dependence non-decreasing.
6894 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
6896 * regrename.c (replace_oldest_value_addr): Initialize a variable to
6897 shut up the compiler.
6899 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
6901 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
6902 to use lib prefix for target.
6903 ($(T)libic_invalidate_array_4-200.a): Likewise.
6904 ($(T)libic_invalidate_array_4a.a): Likewise.
6906 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
6907 J"orn Rennecke <joern.rennecke@st.com>
6909 * superh.opt: New file.
6910 * sh.c (boardtype, osruntime): Remove.
6911 * superh.h (SUBTARGET_OPTIONS): Remove.
6912 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
6914 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
6915 arguments with ^ and/or [].
6917 * config.gcc (sh-*-*): Add quoting to account for quirk of
6919 Replace == with = in enable_incomplete_targets test.
6921 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
6922 with MASK_LITTLE_ENDIAN.
6924 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
6925 * config/sh/sh.opt: Added to some comments.
6926 * config/sh/superh.h: Removed some chaff.
6928 * config/sh/sh.opt: Add m4-[1234]00* options.
6929 * config/sh/sh.c (sh_handle_option): Likewise.
6930 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
6931 (ic_invalidate_array_4-100.o): New rule.
6932 ($(T)libic_invalidate_array_4-100.a): Likewise.
6933 (ic_invalidate_array_4-200.o): Likewise.
6934 ($(T)libic_invalidate_array_4-200.a): Likewise.
6935 (ic_invalidate_array_4a.o): Likewise.
6936 ($(T)libic_invalidate_array_4a.a): Likewise.
6937 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
6938 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
6940 * config/sh/crt1.asm: Merged in profiling code.
6941 * config/sh/superh.h (STARTFILE_SPEC): Override.
6942 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
6943 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
6944 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
6946 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
6947 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
6948 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
6950 * sh.opt (mpretend-cmove): New option.
6951 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
6952 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
6953 (movsicc): Add TARGET_PRETEND_CMOVE code.
6955 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
6957 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
6958 s390_class_max_nregs): New function prototypes.
6959 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
6960 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
6961 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
6962 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
6964 2006-03-26 Geoffrey Keating <geoffk@apple.com>
6966 * dwarf2out.c (add_location_or_const_value_attribute): Call
6967 tree_add_const_value_attribute if nothing else works.
6968 (reference_to_unused): New.
6969 (rtl_for_decl_init): Use reference_to_unused to decide whether
6970 to output an initializer.
6972 2006-03-27 Alan Modra <amodra@bigpond.net.au>
6975 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
6976 peephole removing spe frob_di_df_2.
6978 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
6980 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
6981 (subscript_dependence_tester_1): Declared.
6982 (print_dir_vectors, print_dist_vectors): New.
6983 (debug_data_dependence_relation): New.
6984 (dump_data_dependence_relation): Print more details.
6985 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
6986 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
6987 (save_dist_v, save_dir_v, add_outer_distances,
6988 build_classic_dist_vector_1): New.
6989 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
6990 Don't test for lambda_vector_lexico_pos.
6991 (same_access_functions, add_multivariate_self_dist,
6992 add_other_self_distances, dir_from_dist): New.
6993 (build_classic_dir_vector): Replace implementation almost identical to
6994 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
6996 (subscript_dependence_tester_1): New.
6997 (subscript_dependence_tester): Handle the lexicographically negative
6998 distance vectors by recomputing the dependence relation.
6999 (compute_affine_dependence): Remove parameter loop_nest_depth.
7000 (compute_self_dependence): Don't call compute_subscript_distance.
7001 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
7002 Add a parameter for the loop_nest.
7003 (find_loop_nest_1, find_loop_nest): New.
7004 (compute_data_dependences_for_loop): Compute the loop nest, and give
7005 up if the nest is not well formed.
7006 * tree-data-ref.h (loop_p): New.
7007 (struct data_dependence_relation): Replace size_vect field with
7008 loop_nest, a vec of loops.
7009 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
7010 (DDR_LOOP_NEST): New.
7011 (print_dir_vectors, print_dist_vectors,
7012 debug_data_dependence_relation): Declared.
7013 (index_in_loop_nest): New.
7014 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
7015 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
7018 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
7020 * simplify-rtx.c (simplify_relational_operation): Call
7021 simplify_relational_operation_1 even if mode is VOIDmode.
7023 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
7025 PR tree-optimization/26804
7026 * tree.h (DECL_CALL_CLOBBERED): New macro.
7027 (tree_decl_common): Add call_clobbered_flag.
7028 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
7029 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
7030 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
7031 (mark_non_addressable): Ditto.
7032 * tree-ssa.c (verify_call_clobbered): New function.
7033 (verify_alias_info): Use it.
7034 * tree-pass.h (pass_reset_cc_flags): New prototype.
7035 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
7036 (reset_cc_flags): New function.
7037 * passes.c (init_optimization_passes): Call reset_cc_flags after
7038 initializing referenced_vars.
7040 2006-03-25 Uros Bizjak <uros@kss-loka.si>
7041 Roger Sayle <roger@eyesopen.com>
7044 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
7045 to 1.0 for non-real operands. Implement A / A optimization for
7048 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
7050 * config/i386/i386.c (size_cost): Correct the comment for
7051 cost of storing fp registers.
7052 (i386_cost): Likewise.
7053 (i486_cost): Likewise.
7054 (pentium_cost): Likewise.
7055 (pentiumpro_cost): Likewise.
7056 (k6_cost): Likewise.
7057 (athlon_cost): Likewise.
7058 (k8_cost): Likewise.
7059 (pentium4_cost): Likewise.
7060 (nocona_cost): Likewise.
7061 (generic64_cost): Likewise.
7062 (generic32_cost): Likewise.
7064 2006-03-24 Denis Chertykov <denisc@overta.ru>
7066 * config/avr/avr-protos.h (extra_constraint): Delete.
7067 (extra_constraint_Q): New declaration.
7068 * config/avr/constraints.md: New file.
7069 * config/avr/avr.md: Include it.
7070 (REG_X, REG_Y, REG_Z, REG_W): New constants.
7071 (TMP_REGNO, ZERO_REGNO): Likewise.
7072 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
7073 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
7074 (extra_constraint): Delete.
7075 (extra_constraint_Q): Test for memory constraint 'Q'.
7076 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
7077 (REG_CLASS_FROM_LETTER): Delete.
7078 (CONST_OK_FOR_LETTER_P): Delete.
7079 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7080 (EXTRA_CONSTRAINT): Delete.
7081 (TMP_REGNO): Delete.
7082 (ZERO_REGNO): Delete.
7084 2006-03-24 Jeff Law <law@redhat.com>
7086 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
7087 directly. Call mark_new_vars_to_rename slightly earlier.
7089 2006-03-24 Geoffrey Keating <geoffk@apple.com>
7091 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
7093 (gen_compile_unit_die): Use new language types for Objective-C and
7095 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
7096 DW_LANG_C_plus_plus.
7099 * config/t-darwin (crt3.o): Work around bug 26840.
7100 * config/darwin-crt3.c: Rewrite.
7101 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
7103 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
7105 * doc/invoke.texi: Document -femit-class-debug-always
7106 * common.opt: Add -femit-class-debug-always.
7108 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
7110 * config/s390/s390.c (s390_decompose_address): Allow SImode for
7111 index and base register.
7112 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
7113 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
7114 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
7115 REGNO_OK_FOR_INDEX_P.
7116 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
7118 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
7119 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
7120 REG_OK_FOR_BASE_P): Definitions removed.
7122 2006-03-24 Jakub Jelinek <jakub@redhat.com>
7125 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
7126 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
7127 set yet or weren't marked as local yet.
7129 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
7131 * regrename.c (scan_rtx_address): Initialize a variable to shut up
7134 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
7136 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
7137 (rs6000_legitimate_small_data_p): Delete.
7138 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
7139 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
7140 and make static. Add forward declaration. Update uses.
7141 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
7142 of offsettable_memref_p.
7143 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
7144 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
7146 2006-03-24 Jeff Law <law@redhat.com>
7148 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
7149 around bug in immediate-use iterator.
7151 2006-03-24 Alan Modra <amodra@bigpond.net.au>
7154 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
7155 or __LITTLE_ENDIAN__.
7157 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
7159 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
7160 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
7161 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
7162 * config/sh/sh.opt (mdiv=): Amend description.
7163 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
7164 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
7165 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
7166 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
7167 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
7168 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
7169 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
7170 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
7171 TARGET_DIVIDE_CALL_FP.
7173 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7175 * haifa-sched.c (choose_ready): Fix type of the local variable.
7176 Move local variables. Add comment.
7177 (check_reg_live): Change signature. Make callable from debugger.
7178 * sched-int.h (check_reg_live): Update signature.
7179 * sched-ebb.c (check_reg_live): Update parameters.
7180 * sched-rgn.c (check_reg_live): Ditto.
7181 (region_head_or_leaf_p): Check pointer before dereferencing.
7182 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
7183 before reload on optimization levels below 1.
7185 2006-03-23 Richard Henderson <rth@redhat.com>
7187 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
7191 * config/alpha/predicates.md (local_symbolic_operand): Reject
7194 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
7197 * tree-ssa-pre.c (create_value_expr_from): Don't reject
7198 expressions which have overflowed constants.
7200 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7202 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
7204 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7206 * cfgloopmanip.c (create_loop_notes): Removed.
7207 * final.c (final_scan_insn): Do not handle loop notes.
7208 * jump.c (squeeze_notes): Ditto.
7209 * cfglayout.c (skip_insns_after_block,
7210 duplicate_insn_chain): Ditto.
7211 * cfgcleanup.c (rest_of_handle_jump2): Do not call
7213 * cfgloop.h (create_loop_notes): Declaration removed.
7215 2006-03-23 Richard Sandiford <richard@codesourcery.com>
7217 * varasm.c (output_constant_pool): Restore fnname and fndecl
7219 (assemble_start_function): Adjust call accordingly.
7220 (assemble_end_function): Likewise.
7222 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7225 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
7228 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
7230 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7233 * system.h (ICE_EXIT_CODE): New macro.
7234 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
7235 (diagnostic_action_after_output): Likewise.
7236 * gcc.c (fatal_ice): New function.
7237 (execute): Use it instead of fatal.
7238 (fancy_abort): Likewise.
7239 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
7241 2006-03-22 Jeff Law <law@redhat.com>
7243 * loop-unroll.c (analyze_iv_to_split_insn): Handle
7244 iv_analyze_result returning false.
7246 2006-03-22 Jie Zhang <jie.zhang@analog.com>
7248 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
7250 2006-03-22 Richard Henderson <rth@redhat.com>
7253 * except.c (duplicate_eh_regions_0): New.
7254 (duplicate_eh_region_1): Duplicate the children of the node as
7255 well as the node itself. Link them up properly.
7256 (duplicate_eh_region_2): Merge into ...
7257 (duplicate_eh_regions): ... here. Take copy_region argument, and
7258 copy only a sub-tree if asked. Simplify copying and fixup.
7259 (eh_region_outer_p): New.
7260 * except.h (duplicate_eh_regions): Update decl.
7261 (eh_region_outer_p): Declare.
7262 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
7263 (lower_omp_master): Likewise.
7264 (lower_omp_ordered): Likewise.
7265 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
7266 (move_stmt_r): Use it to remap labels. Handle recursion vs
7267 remap_decls_p properly.
7268 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
7269 (find_outermost_region_in_block): New.
7270 (new_label_mapper): New.
7271 (move_sese_region_to_fn): Copy eh information to the new function
7273 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
7275 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
7278 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7280 * doc/md.texi (-mshared): Mention that -mshared code can be linked
7281 into shared libraries.
7283 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7285 * doc/md.texi: Refer to i386/constraints.md instead of
7287 * config/i386/constraints.md: New file, extracted from...
7288 * config/i386/predicates.md: ...here.
7289 * config/i386/i386.md: Include constraints.md.
7291 2006-03-21 Jason Merrill <jason@redhat.com>
7293 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
7296 * expr.c (init_block_move_fn): Force default visibility.
7297 (init_block_clear_fn): Likewise.
7298 * builtins.c (expand_builtin_fork_or_exec): Likewise.
7299 * targhooks.c (default_external_stack_protect_fail): Likewise.
7301 2006-03-21 Richard Sandiford <richard@codesourcery.com>
7303 * config/mips/predicates.md (const_call_insn_operand): Allow direct
7304 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
7305 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
7306 Use TARGET_OLDABI instead of !TARGET_NEWABI.
7307 (loadgp): Use mips_current_loadgp_style.
7308 (loadgp_noshared): New pattern.
7309 (sibcall_internal): Use MIPS_CALL.
7310 (sibcall_value_internal): Likewise.
7311 (sibcall_value_multiple_internal): Likewise.
7312 (call_internal): Likewise.
7313 (call_value_internal): Likewise.
7314 (call_value_multiple_internal): Likewise.
7315 (call_split): Use MIPS_CALL and add an 'S' constraint.
7316 (call_value_split): Likewise.
7317 (call_value_multiple_split): Likewise.
7318 * config/mips/mips.opt (-mabicalls): Tweak docstring.
7319 (-mshared): New option.
7320 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
7321 (mips_current_loadgp_style): Declare.
7322 * config/mips/mips.c (mips_classify_symbol): Avoid using
7323 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
7324 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
7325 TARGET_ABSOLUTE_ABICALLS.
7326 (override_options): Adjust comments. Improve the warning that is
7327 issued when -mabicalls and -G are used together.
7328 (mips_file_start): Remove comment.
7329 (mips_current_loadgp_style): New function.
7330 (mips_gnu_local_gp): New variable.
7331 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
7333 (mips_output_function_prologue): Use mips_current_laodgp_style.
7334 (mips_expand_prologue): Call mips_emit_loadgp before emitting
7335 the cprestore instruction.
7336 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
7337 live for TARGET_ABSOLUTE_ABICALLS.
7338 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
7339 (ASM_SPEC): Pass down -mshared and -mno-shared.
7340 (MIPS_CALL): New macro.
7341 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
7343 * doc/invoke.texi (-mabicalls): Update documentation.
7344 (-mshared): Document.
7346 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7348 * config/ia64/unwind-hpux.c: New file.
7349 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
7351 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7354 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
7356 2006-03-21 Jeff Law <law@redhat.com>
7358 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
7359 type conversions of a VR_VARYING source to a wider type.
7361 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
7363 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
7364 tm_file on Solaris 10 and later.
7365 (sparc64-*-solaris2*): Likewise.
7366 (sparc-*-solaris2*): Likewise.
7367 * config/sol26.h: Rename to config/sol2-6.h.
7368 * config/sol2-10.h: New file.
7370 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
7373 * tree-ssa-pre.c (create_component_ref_by_pieces):
7376 2006-03-21 Jakub Jelinek <jakub@redhat.com>
7379 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
7380 return it immediately.
7382 2006-03-21 Michael Matz <matz@suse.de>
7384 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
7386 (remove_arc, add_arc): Update num_out_arcs member.
7387 (set_out_arc_insns_equiv_num): Returns nothing instead of number
7389 (cache_presence): New function.
7390 (compare_states_for_equiv): New function.
7391 (state_is_differed): Don't take number of outargs, adjust callers.
7392 Use new invariant for speeding up.
7393 (init_equiv_class): Create initial classes based on sorted
7395 (partition_equiv_class): Don't track out_arcs_num.
7396 (evaluate_equiv_classes): Call cache_presence on all states and
7399 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
7401 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
7402 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
7403 (bfin_valid_reg_p): Test for pseudos explicitly and use only
7404 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
7406 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
7407 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
7408 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
7409 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
7410 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
7412 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
7413 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
7414 (REGNO_REG_CLASS): ARGP is in PREGS.
7415 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
7417 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
7418 to deal with those addresses.
7419 * addresses.h: New file.
7420 * caller-save.c: Include "addresses.h".
7421 (init_caller_save): Use new base_reg_class function.
7422 * rtl-factoring.c: Include "addresses.h".
7423 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
7424 * recog.c: Include "addresses.h".
7425 (preprocess_constraints): Use new base_reg_class function.
7426 * regrename.c: Include "addresses.h".
7427 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
7428 functions. Keep track of a new var INDEX_CODE to compute valid
7430 (replace_oldest_value_addr): Likewise.
7431 (replace_oldest_value_mem): Use base_reg_class.
7432 * reload.c: Include "addresses.h".
7433 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
7434 (find_reloads): Use new base_reg_class function.
7435 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
7436 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
7437 all callers and prototype changed.
7438 * reload1.c: Include "addresses.h".
7439 (maybe_fix_stack_asms): Use base_reg_class.
7440 * regclass.c: Include "addresses.h".
7441 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
7442 (init_reg_autoinc): Use new base_reg_class function.
7443 (record_reg_classes): Likewise.
7444 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
7445 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
7446 Use new args to compute necessary class.
7448 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
7449 regrename.o, rtl-factoring.o): Update dependencies.
7450 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
7451 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
7452 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
7453 REG_OK_FOR_INDEX_P): Delete documentation.
7455 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
7457 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
7458 from V7 to V9 for Solaris 7 and above.
7460 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
7462 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
7463 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
7464 argument pointers may not alias any other storage.
7465 * common.opt: Define option -fargument-noalias-anything.
7466 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
7467 alias semantics is specified by flag_argument_noalias > 2.
7469 2006-03-20 Jeff Law <law@redhat.com>
7471 * tree-pass.h (pass_phi_only_copy_prop): Delete.
7472 (pass_phi_only_cprop): Declare.
7473 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
7475 * tree-ssa-dom.c (degenerate_phi_result): New function.
7476 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
7477 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
7478 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
7479 (eliminate_degenerate_phis): Likewise.
7480 (pass_phi_only_cprop): New pass descriptor.
7481 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
7482 support code. Callers updated.
7483 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
7484 (store_copy_prop): Likewise.
7485 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
7487 2006-03-20 Jason Merrill <jason@redhat.com>
7490 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
7491 (push_visibility, pop_visibility): Likewise.
7492 * c-pragma.h: Declare them.
7494 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
7496 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
7498 * config/sh/sh.c (find_regmode_weight): Change the type of the first
7499 parameter and use get_ebb_head_tail.
7500 (sh_md_init_global): Adjust uses of find_regmode_weight.
7502 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
7504 * function.h (struct function) <x_tail_recursion_reentry>:
7505 Rename to x_stack_check_probe_note.
7506 (tail_recursion_reentry): Rename to stack_check_probe_note.
7507 * function.c: Replace tail_recursion_reentry with
7508 stack_check_probe_note everywhere.
7509 (expand_function_start): Only emit a note for
7510 stack_check_probe_note with -fstack-protect.
7511 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
7513 * emit-rtl.c (remove_unnecessary_notes): Remove.
7514 (pass_remove_unnecessary_notes): Remove.
7515 * rtl.h (remove_unnecessary_notes): Remove prototype.
7516 * final.c (final_start_function): Don't call remove_unnecessary_notes.
7517 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
7518 * passes.c (pass_remove_unnecessary_notes): Don't run it.
7520 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
7523 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
7524 (valid_in_set): Handle ARRAY_REF.
7525 Change "if min_variant or VH" to asserts.
7526 (create_component_ref_by_pieces): Handle ARRAY_REF.
7527 (create_expression_by_pieces): Likewise.
7528 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
7530 2006-03-20 David Edelsohn <edelsohn@gnu.org>
7532 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
7533 is operand of switch, not str[0].
7535 2006-03-20 Alan Modra <amodra@bigpond.net.au>
7537 * config/rs6000/rs6000.c (rs6000_handle_option): Use
7538 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
7540 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7542 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
7543 end of insn_extra_address_constraint declaration.
7545 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7547 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
7548 (no-sum-in-toc): Same.
7549 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
7551 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
7552 NO_FP_IN_TOC for -fPIC instead of mask.
7554 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
7555 (BOOT_LDFLAGS): Delete.
7557 * config/rs6000/t-aix52: Same.
7559 * config/rs6000/rs6000.md (store_multiple_power): Delete.
7560 (stmsi[345678]_power): New.
7562 2006-03-17 Steve Ellcey <sje@cup.hp.com>
7564 * config/ia64/ia64.opt: Add empty line to end of file.
7566 2006-03-17 Richard Guenther <rguenther@suse.de>
7569 * builtins.c (get_pointer_alignment): For component style references
7570 adjust alignment to the component type alignment. Make sure
7571 to adjust alignment for component access of constants.
7573 2006-03-17 David Edelsohn <edelsohn@gnu.org>
7575 * config/rs6000/rs6000.md (strlensi): Emit barrier after
7578 2006-03-17 Paul Brook <paul@codesourcery.com>
7580 * doc/install.texi: Docuemnt --with-mode.
7581 * config.gcc: Add --with-mode for arm*-*-*.
7582 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
7584 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
7586 * sh.c (max_labelno_before_reorg): New variable.
7587 (sh_reorg): Initialize it.
7588 (find_barrier): Check max_labelno_before_reorg before using
7589 label_to_alignment. Take length of explicit alignment insns
7590 into account. When seeing a UNSPECV_CONST_END, return it.
7592 * sh.c (fixup_mova): Set mode of affected label to QImode.
7593 (untangle_mova): New function.
7594 (find_barrier): Use it. Check mode of label before decrementing
7596 (sh_reorg): Likewise.
7597 Set mode of all insns back to VOIDmode.
7599 * sh.c (MOVA_LABELREF): New macro.
7600 (mova_p, fixup_mova, sh_reorg): Use it.
7601 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
7602 ADDR_DIFF_VEC matches mova.
7604 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
7606 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
7607 with ATTRIBUTE_UNUSED.
7609 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7611 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7612 pointer, instead of assuming it is possible to derive the
7613 correct args size from a call insn.
7615 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7617 * rtl.h (CONST_INT_P): Define.
7618 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
7619 instead of GET_CODE(x) == CONST_INT.
7620 (vax_rtx_costs): Likewise.
7621 (vax_output_int_move): Likewise.
7622 (vax_output_int_add): Likewise.
7623 (legitimate_constant_address_p): Likewise.
7624 (index_term_p): Likewise.
7625 * config/vax/vax.h (PRINT_OPERAND): Likewise.
7626 * config/vax/vax.md (and<mode>3): Likewise.
7627 (ashrsi3): Likewise.
7629 (movstricthi): Likewise.
7630 (movstrictqi): Likewise.
7631 (rotrsi3): Likewise.
7632 (five unnamed insns): Likewise.
7634 2006-03-16 Geoffrey Keating <geoffk@apple.com>
7636 * doc/tm.texi (SDB and DWARF): Add extra parameter to
7637 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
7638 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
7639 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
7640 Pass to ASM_OUTPUT_DWARF_OFFSET.
7641 * dwarf2out.c (debug_frame_section): New.
7642 (output_call_frame_info): Use debug_frame_section. Pass it to
7643 dw2_asm_output_offset.
7644 (output_die): Pass appropriate section to dw2_asm_output_offset.
7645 (output_compilation_unit_header): Likewise.
7646 (output_pubnames): Likewise.
7647 (output_aranges): Likewise.
7648 (enum dw_val_class): Break dw_val_class_lbl_offset into
7649 dw_val_class_lineptr and dw_val_class_macptr.
7650 (add_AT_lbl_offset): Delete.
7651 (add_AT_lineptr): New.
7652 (add_AT_macptr): New.
7653 (AT_lbl): Expect a lineptr or macptr.
7654 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
7655 (attr_checksum): Likewise.
7656 (same_dw_val_p): Likewise.
7657 (size_of_die): Likewise.
7658 (value_format): Likewise.
7659 (output_die): Likewise.
7660 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
7662 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7663 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
7664 * config/darwin-protos.h (darwin_file_start): New.
7665 (darwin_asm_output_dwarf_offset): New.
7666 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7667 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
7669 * config/darwin.c (darwin_emit_unwind_label): Don't output label
7670 if not EH section; simplify.
7671 (darwin_file_start): New.
7672 (darwin_asm_output_dwarf_offset): New.
7673 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
7675 (DEBUG_INFO_SECTION): Likewise.
7676 (DEBUG_ABBREV_SECTION): Likewise.
7677 (DEBUG_ARANGES_SECTION): Likewise.
7678 (DEBUG_MACINFO_SECTION): Likewise.
7679 (DEBUG_LINE_SECTION): Likewise.
7680 (DEBUG_LOC_SECTION): Likewise.
7681 (DEBUG_PUBNAMES_SECTION): Likewise.
7682 (DEBUG_STR_SECTION): Likewise.
7683 (DEBUG_RANGES_SECTION): Likewise.
7684 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
7685 (ASM_OUTPUT_DWARF_OFFSET): New.
7687 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
7689 * config.gcc (tm_defines): Always add to previous value rather
7692 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7694 * config/mips/predicates.md (splittable_const_int_operand): New,
7695 split from move_operand.
7696 (splittable_symbolic_operand): New.
7697 (move_operand): Add commentary. Use splittable_const_int_operand.
7698 Inline mips_atomic_symbolic_constant_p.
7699 * config/mips/mips.md: Add combine splitters for handling moves
7700 of splittable_const_int_operands and splittable_symbolic_operands.
7701 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
7702 (mips_split_symbol): Declare.
7703 (mips_move_integer): Declare.
7704 * config/mips/mips.c (mips_split_p): Make global.
7705 (TARGET_MIN_ANCHOR_OFFSET): Override default.
7706 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7707 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7708 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
7709 (mips_offset_within_object_p): Handle block symbols.
7710 (mips_atomic_symbolic_constant_p): Delete.
7711 (mips_cannot_force_const_mem): Return false for constants that
7712 mips_legitimize_move can handle.
7713 (mips_use_blocks_for_constant_p): New function.
7714 (mips_split_symbol): Make global.
7715 (mips_move_integer): Likewise. Add a temporary register argument.
7716 (mips_legitimize_const_move): Use splittable_const_int_operand and
7717 splittable_symbolic_operand.
7718 (mips_use_anchors_for_symbol_p): New function.
7719 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
7720 (mips_split_p): Declare.
7722 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7724 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
7725 (mips*-*-linux*): Likewise.
7727 2006-03-16 Roger Sayle <roger@eyesopen.com>
7728 Daniel Speyer <dspeyer@wam.umd.edu>
7731 * tree-dump.c (dump_real): New function.
7732 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
7733 * Makefile.in (REAL_H): New macro for dependencies on real.h.
7734 (tree-dump.o): Add $(REAL_H) to the dependencies.
7736 2006-03-16 Roger Sayle <roger@eyesopen.com>
7739 * real.c (real_from_string): If the mantissa is zero, don't bother
7740 parsing the exponent as the result should always be zero.
7742 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
7744 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
7746 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7748 * config/ia64/ia64.c (stops_p): Added explicit initialization.
7749 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
7750 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
7751 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
7752 ia64_sched_finish_global): New static functions to implement
7753 hooks from gcc_target.sched.
7754 (spec_check_no, max_uid, pending_data_specs): New static variables.
7755 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
7756 ia64_spec_check_src_p): New static functions.
7757 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
7758 (TARGET_SCHED_ADJUST_COST): Removed.
7759 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
7760 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
7761 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7762 TARGET_SCHED_GEN_CHECK,
7763 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7764 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
7765 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
7766 Fixed to handle speculation checks.
7767 (rtx_needs_barrier): Fixed to handle speculative loads and
7769 (ia64_variable_issue): Added code to count speculative loads and their
7771 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
7773 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
7775 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
7777 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
7778 (ia64_reorg): Reset stops_p to NULL after it is freed.
7779 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
7780 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
7781 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
7783 (data_speculative, control_speculative, check_load): New attributes.
7784 (mov<mode>_advanced, mov<mode>_speculative,
7785 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
7786 zero_extend<mode>di2_speculative,
7787 zero_extend<mode>di2_speculative_advanced): New patterns for
7788 data and control speculative loads.
7789 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
7791 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
7792 New pattern for data and control speculation checks.
7793 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
7794 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
7795 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
7796 Auxiliary definitions for the patterns.
7797 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
7798 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
7800 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
7802 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
7803 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
7804 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
7805 New resource constraints.
7806 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
7808 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
7809 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
7810 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7811 msched-in-control-spec, msched-ldc, msched-control-ldc,
7812 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7813 msched-prefer-non-control-spec-insns,
7814 msched-count-spec-in-critical-path): New flags to tune speculative
7816 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
7817 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7818 msched-in-control-spec, msched-ldc, msched-control-ldc,
7819 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7820 msched-prefer-non-control-spec-insns,
7821 msched-count-spec-in-critical-path): Document new flags.
7823 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7825 * target.h (struct spec_info_def): New opaque declaration.
7826 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
7827 speculate_insn, needs_block_p, gen_check,
7828 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
7829 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
7830 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
7831 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
7832 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7833 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
7835 (TARGET_SCHED): Use new macros.
7836 * rtl.h (copy_DEPS_LIST_list): New prototype.
7837 * sched-int.h (struct sched_info): Change signature of new_ready field,
7838 adjust all initializations. New fields: add_remove_insn,
7839 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
7840 region_head_or_leaf_p.
7841 (struct spec_info_def): New structure declaration.
7842 (spec_info_t): New typedef.
7843 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
7844 recovery_block, orig_pat.
7845 (glat_start, glat_end): New variables declaraions.
7846 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
7848 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
7849 DETACH_LIFE_INFO, USE_GLAT.
7850 (enum SPEC_SCHED_FLAGS): New enumeration.
7851 (NOTE_NOTE_BB_P): New macro.
7852 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
7853 attach_life_info, debug_spec_status, check_reg_live): New functions.
7854 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
7855 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
7857 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
7858 * ddg.c (get_block_head_tail): Adjust all uses.
7859 * modulo-sched.c (get_block_head_tail): Adjust all uses.
7860 (sms_sched_info): Initialize new fields.
7861 (contributes_to_priority): Removed.
7862 * haifa-sched.c (params.h): New include.
7863 (get_block_head_tail): Adjust all uses.
7864 (ISSUE_POINTS): New macro.
7865 (glat_start, glat_end): New global variables.
7866 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
7867 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
7868 old_last_basic_block, before_recovery, current_sched_info_var,
7869 rgn_n_insns, luid): New static variables.
7870 (insn_cost1): New function. Move logic from insn_cost to here.
7871 (find_insn_reg_weight1): New function. Move logic from
7872 find_insn_reg_weight to here.
7873 (reemit_notes, move_insn, max_issue): Change signature.
7874 (move_insn1): Removed.
7875 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
7876 extend_bb): New static functions to support extension of scheduler's
7878 (generate_recovery_code, process_insn_depend_be_in_spec,
7879 begin_speculative_block, add_to_speculative_block,
7880 init_before_recovery, create_recovery_block, create_check_block_twin,
7881 fix_recovery_deps): New static functions to support
7882 generation of recovery code.
7883 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
7884 restore_bb_notes, move_block_after_check, move_succs): New static
7885 functions to support ebb scheduling.
7886 (init_glat, init_glat1, attach_life_info1, free_glat): New static
7887 functions to support handling of register live information.
7888 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
7889 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
7890 add_jump_dependencies): New static functions.
7891 (check_cfg, has_edge_p, check_sched_flags): New static functions for
7892 consistancy checking.
7893 (debug_spec_status): New function to call from debugger.
7894 (priority): Added code to handle speculation checks.
7895 (rank_for_schedule): Added code to distinguish speculative instructions.
7896 (schedule_insn): Added code to handle speculation checks.
7897 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
7898 Fixed to handle ebbs.
7899 (move_insn): Added code to handle ebb scheduling.
7900 (max_issue): Added code to use ISSUE_POINTS of instructions.
7901 (choose_ready): Added code to choose between speculative and
7902 non-speculative instructions.
7903 (schedule_block): Added code to handle ebb scheduling and scheduling of
7904 speculative instructions.
7905 (sched_init): Initialize new variables.
7906 (sched_finish): Free new variables. Print statistics.
7907 (try_ready): Added code to handle speculative instructions.
7908 * lists.c (copy_DEPS_LIST_list): New function.
7909 * sched-deps.c (extend_dependency_caches): New function. Move logic
7910 from create_dependency_caches to here.
7911 (get_dep_weak, ds_merge): Make global.
7912 * genattr.c (main): Code to output prototype for
7913 dfa_clear_single_insn_cache.
7914 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
7915 (output_dfa_clean_insn_cache_func): Code to output
7916 dfa_clear_single_insn_cache function.
7917 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
7919 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
7921 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
7922 New static variables.
7923 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
7924 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
7926 (ebb_sched_info): Initialize new fields.
7927 (get_block_head_tail): Adjust all uses.
7928 (compute_jump_reg_dependencies): Fixed to use glat_start.
7929 (schedule_ebb): Code to remove unreachable last block.
7930 (schedule_ebbs): Added code to update register live information.
7931 * sched-rgn.c (region_sched_info): Initialize new fields.
7932 (get_block_head_tail): Adjust all uses.
7933 (last_was_jump): Removed. Adjust users.
7934 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
7935 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
7936 Implement new hooks.
7937 (check_dead_notes1): New static function.
7938 (struct region): New fields: dont_calc_deps, has_real_ebb.
7939 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
7940 (BB_TO_BLOCK): Fixed to handle EBBs.
7941 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
7942 (ebb_head): New static variable.
7943 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
7944 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
7946 (compute_dom_prob_ps): New assertion.
7947 (check_live_1, update_live_1): Fixed to work with glat_start instead of
7948 global_live_at_start.
7949 (init_ready_list): New assertions.
7950 (can_schedule_ready_p): Split update code to begin_schedule_ready.
7951 (new_ready): Add support for BEGIN_CONTROL speculation.
7952 (schedule_insns): Fixed code that updates register live information
7954 (schedule_region): Fixed to handle EBBs.
7955 (init_regions): Use extend_regions and check_dead_notes1.
7956 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
7957 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
7958 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
7959 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7960 TARGET_SCHED_GEN_CHECK,
7961 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7962 TARGET_SCHED_SET_SCHED_FLAGS): Document.
7963 * doc/invoke.texi (max-sched-insn-conflict-delay,
7964 sched-spec-prob-cutoff): Document.
7966 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7968 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
7969 inter_tick, queue_index.
7970 (struct sched_info): Change signature of init_ready_list field.
7971 Adjust all initializations.
7972 (RESOLVED_DEPS): New access macro.
7973 (ready_add): Remove prototype.
7974 (try_ready): Add prototype.
7975 * sched-rgn.c (init_ready_list): Use try_ready.
7976 (schedule_region): Initialize
7977 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
7978 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
7979 (init_ready_list): Use try_ready.
7980 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
7981 * lists.c (remove_list_elem): Remove `static'.
7982 (remove_free_INSN_LIST_elem): New function.
7983 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
7984 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
7985 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
7987 (readyp): New variable.
7988 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
7989 change_queue_index, resolve_dep): New static functions.
7990 (try_ready): New function. Adjust callers in sched-rgn.c and
7991 sched-ebb.c to use it instead of ready_add.
7992 (clock_var): Move at the begining of file.
7993 (rank_for_schedule): Fix typo.
7994 (queue_insn): Add assertion. Handle QUEUE_INDEX.
7995 (ready_lastpos): Enforce assertion.
7996 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
7998 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
7999 (schedule_insn): Rewrite to use try_ready and resolve_dep.
8000 (queue_to_ready): Use free_INSN_LIST_list.
8001 (early_queue_to_ready): Fix typo.
8002 (schedule_block): Init readyp. Move init_ready_list call after the
8003 initialization of clock_var. Fix error in rejecting insn by
8004 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
8005 that previously corrected INSN_TICKs. Add code for handling
8007 (set_priorities): Fix typo.
8008 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
8009 Clarify comment and code that keeps current_sched_info->next_tail
8012 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8014 * sched-rgn.c (extend_rgns): New static function.
8015 (find_rgns): Use it.
8016 (gather_region_statistics, print_region_statistics): New static
8018 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
8019 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
8021 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8022 Andrey Belevantsev <abel@ispras.ru>
8024 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
8025 * lists.c (unused_deps_list): New variable.
8026 (free_list): Add assertions to verify the proper distinguishing
8027 between INSN_LISTs and DEPS_LISTs.
8028 (find_list_elem, remove_list_elem, remove_list_node): New static
8030 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
8031 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
8032 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
8033 (alloc_INSN_LIST): Assert that the list we're working on is indeed
8035 (free_INSN_LIST_node): Likewise.
8036 * modulo-sched.c (current_sched_info): Initialize flags field.
8037 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
8038 * rtl.def (DEPS_LIST): Define.
8039 * rtl.h: Declare new functions from lists.c.
8040 * sched-deps.c (spec_dependency_cache): New static variable.
8041 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
8042 (add_dependence): Change return type to void. Move the logic to ...
8043 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
8044 (delete_all_dependences): Add comment about forward_dependency_cache.
8045 Handle spec_dependency_cache. Handle DEPS_LISTs.
8046 (fixup_sched_groups): Clarify the change of priority of output
8047 and anti dependencies.
8048 (sched_analyze_2): Adjust add_dependence calls to create data
8049 speculative dependence.
8050 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
8051 Adjust all callers. Handle DEPS_LISTS.
8052 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
8053 presence of speculation.
8054 (init_dependency_caches, free_dependency_caches):
8055 Handle spec_dependency_cache.
8056 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
8057 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
8058 New static functions.
8059 (add_or_update_back_dep, add_or_update_back_forw_dep,
8060 add_back_forw_dep, delete_back_forw_dep): New functions.
8061 * sched-int.h (ds_t, dw_t): New typedefs.
8062 (struct sched_info): Add new field flags.
8063 (struct haifa_insn_data): Add new bitfield has_internal_dep.
8064 Prototype new sched-deps.c functions.
8065 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
8066 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
8067 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
8068 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
8069 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
8070 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
8072 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
8074 * sched-rgn.c (current_sched_info): Initialize flags field.
8075 (schedule_insns): Initialize current_sched_info before the sched_init
8077 * sched-ebb.c (current_sched_info): Initialize flags field.
8078 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
8079 Call add_or_update_back_dep instead of add_dependence.
8080 Create control speculative dependencies.
8081 (schedule_insns): Initialize current_sched_info before the sched_init
8084 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
8086 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
8088 (sh_fallback_frame_state): Likewise.
8090 2006-03-15 Geoffrey Keating <geoffk@apple.com>
8092 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
8093 Do switch on default_use_cxa_atexit.
8094 (powerpc*-*-darwin*): Build crt2.o on powerpc.
8095 * config/darwin-crt3.o: New.
8096 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
8097 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
8098 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
8100 * config/rs6000/t-darwin: Move crt2.o building to here.
8101 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
8102 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
8105 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8107 * config/vax/vax.c (nonindexed_address_p): Change logical negation
8108 from '! xxx' to '!xxx' for coding-style conformance.
8109 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
8110 (EXTRA_CONSTRAINT): Likewise.
8111 * config/vax/vax.md (four unnamed insns): Likewise.
8113 2006-03-15 Paul Brook <paul@codesourcery.com>
8115 * config/arm/arm.c (minipool_pad): New.
8116 (add_minipool_forward_ref): Include pool alignment padding in address
8118 (push_minipool_fix): Set minipool_pad.
8119 (minipool_pad): Ditto.
8121 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8123 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
8124 instead of GET_CODE() == MEM and REG_P() instead of
8126 (print_operand_address): Likewise.
8127 (vax_address_cost): Likewise.
8128 (vax_rtx_costs): Likewise.
8129 (vax_notice_update_cc): Likewise.
8130 (vax_output_int_add): Likewise.
8131 (INDEX_REGISTER_P): Likewise.
8132 (BASE_REGISTER_P): Likewise.
8133 (nonindexed_address_p): Likewise.
8134 (vax_mode_dependent_address_p): Likewise.
8135 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
8136 (PRINT_OPERAND): Likewise.
8137 * config/vax/vax.md (ashlsi3): Likewise.
8138 (ashlsi3): Likewise.
8139 (some more unnamed insns): Likewise.
8141 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
8143 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
8144 iterator-style macro.
8145 (mark_control_dependent_edges_necessary): Update the use of
8146 EXECUTE_IF_CONTROL_DEPENDENT.
8148 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
8150 * config/sh/predicates.md (cache_address_operand): Special.
8151 (ua_address_operand): Likewise.
8153 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
8155 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
8157 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
8159 2006-03-15 Andreas Schwab <schwab@suse.de>
8161 * gensupport.c (identify_predicable_attribute): Don't free p_false
8162 when it is still in use.
8164 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
8166 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
8167 the default setting here.
8169 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
8171 * tree-pass.h (pass_cfg): Remove.
8172 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
8173 * passes.c (pass_cfg): Don't run it.
8175 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
8177 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
8178 * reg-stack.c (stack_regs_mentioned_data): Change the type to
8180 (stack_regs_mentioned): Update the uses of
8181 stack_regs_mentioned_data. Don't access the array beyond its
8183 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
8184 Don't include gt-reg-stack.h.
8186 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
8187 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
8189 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
8192 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
8195 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8197 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
8199 2006-03-14 Richard Guenther <rguenther@suse.de>
8201 PR tree-optimization/26672
8202 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
8205 2006-03-14 Richard Guenther <rguenther@suse.de>
8207 PR tree-optimization/26667
8208 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
8209 node for the callees. Always allow inlining if it will shrink
8212 2006-03-14 Richard Guenther <rguenther@suse.de>
8215 * builtins.c (get_pointer_alignment): Prefer alignment
8216 information from decls over that from types.
8218 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
8221 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
8223 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
8225 * config/rs6000/rs6000.opt (mdlmzb): New option.
8226 (msched-prolog, msched-epilog): Use Var not Mask.
8227 * doc/invoke.texi (-mdlmzb): Document.
8228 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
8230 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
8231 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
8233 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
8235 PR rtl-optimization/25739
8236 * bt-load.c (augment_live_range): Free tos pointer.
8238 * gensupport.c (identify_predicable_attribute): Free
8240 * gcov.c (create_file_names): Free name pointer.
8242 2006-03-13 Roger Sayle <roger@eyesopen.com>
8245 * stmt.c (emit_case_nodes): Handle the case where the index is a
8246 CONST_INT, where the comparison mode is specified by the index type.
8248 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8250 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
8253 2006-03-13 Richard Sandiford <richard@codesourcery.com>
8255 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
8256 (*branch_fp_inverted): Likewise.
8258 2006-03-13 Jakub Jelinek <jakub@redhat.com>
8261 * omp-low.c (expand_omp_for_generic): Mark istart0
8262 and iend0 as addressable.
8264 2006-03-13 Jie Zhang <jie.zhang@analog.com>
8266 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
8268 2006-03-13 Jeff Law <law@redhat.com>
8270 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
8271 virtual operands are interesting.
8272 (vrp_visit_stmt): Corresponding changes.
8274 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
8276 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
8278 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
8279 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
8280 * config/bfin/crti.S: Use it instead of __PIC__.
8281 * config/bfin/crtn.S: Likewise.
8283 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
8284 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
8286 Lose 'G' modifier for call operand.
8287 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
8288 recognize 'G' modifier.
8290 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
8293 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
8294 * stmt.c (expand_case): Likewise.
8296 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8298 PR rtl-optimization/26254
8299 * loop-invariant.c (seq_insns_valid_p): New function.
8300 (move_invariant_reg): Only emit new code if it is valid.
8302 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8304 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
8306 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
8307 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
8308 (commit_one_edge_insertion): Do not look for loop notes.
8310 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8312 * jump.c (follow_jumps): Do not check for loop notes. Move check for
8313 flag_test_coverage out of loop.
8315 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8317 * final.c (shorten_branches): Remove outdated comment, and turn
8318 the if branch that guards it to continue.
8320 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8322 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
8323 * cfgloop.h (struct loop): Remove unused fields.
8325 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
8327 * doc/invoke.texi (-fdump-rtl-loop): Remove.
8328 (-dL, -fdump-rtl-loop2): Update the dump file names
8330 * doc/invoke.texi: Update dump file names.
8332 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
8334 * predict.c (estimate_probability): Remove.
8335 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
8336 * basic-block.h (estimate_probability): Remove prototype.
8337 * passes.c (finish_optimization_passes): Dump branch prediction or
8338 profiling heuristics to the .profile tree dump.
8339 (init_optimization_passes): Unqueue pass_branch_prob.
8341 * doc/invoke.texi (-fdump-rtl-bp): Remove.
8343 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8345 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
8346 * rtl.h (LABEL_NEXTREF): Remove field accessor.
8348 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
8350 * function.h (frame_offset_overflow): Declare.
8351 * function.c (frame_offset_overflow): New function.
8352 (assign_stack_local_1): Call it to detect that the offset overflows.
8353 * cfgexpand.c (alloc_stack_frame_space): Likewise.
8355 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8357 * config/sh/sh.c: Include alloc-pool.h.
8358 (label_ref_list_pool): New alloc pool.
8359 (label_ref_list_t): New type for lists of labels.
8360 (struct pool_node): Make wend a label_ref_list_t.
8361 (add_constant): Use the new type, eradicate LABEL_NEXTREF
8363 (dump_table): Likewise.
8364 (sh_reorg): Set up the alloc pool before using add_constant and
8365 dump_table, and destroy it when finishing.
8367 2006-03-11 Richard Sandiford <richard@codesourcery.com>
8369 * config/mips/mips.c: Remove redundant comment.
8371 2006-03-10 Jason Merrill <jason@redhat.com>
8374 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
8375 the target was declared 'register'.
8377 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
8379 * genpreds.c (write_insn_constraint_len): Change definition of
8380 insn_constraint_len to return size_t to match the declaration.
8382 2006-03-10 DJ Delorie <dj@redhat.com>
8384 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
8386 (m32c_expand_insv): Fix test for an AND mask.
8388 2006-03-10 Richard Guenther <rguenther@suse.de>
8391 * builtins.c (get_pointer_alignment): Handle component
8392 references for field alignment.
8394 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8396 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
8397 when building with libgloss.
8398 (sh*elf): Implement --without-fp option.
8399 (sh64-superh-linux*): Don't multilib.
8401 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8403 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
8405 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
8407 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
8408 Set it when one of the replacement functions returned true.
8409 Return TODO_cleanup_cfg if cfgchanged is true.
8410 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
8412 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
8414 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
8415 instead of gen_lowpart.
8417 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8419 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
8421 (mips_output_order_conditional_branch): Declare.
8422 * config/mips/mips.h (MIPS_BRANCH): New macro.
8423 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
8424 for the comparison. Use gen_condjump.
8425 (mips_output_conditional_branch): Rework interface to take the
8426 asm templates for a direct branch and the inverse of a direct branch.
8427 (mips_output_order_conditional_branch): New function.
8428 (mips_builtin_branch_and_move): New function.
8429 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
8430 branch condition. Use gen_single_cc as the condition for
8431 __builtin_mips_upper_* or __builtin_mips_lower_*.
8432 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
8433 Use VOIDmode for the branch condition.
8434 * config/mips/predicates.md (order_operator): New predicate.
8435 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
8436 (branch_fp): Rename to...
8437 (*branch_fp): ...this. Remove mode from comparison operator.
8438 Use new mips_output_conditional_branch interface.
8439 (branch_fp_inverted): Rename to...
8440 (*branch_fp_inverted): ...this and update as for *branch_fp.
8441 (*branch_zero<mode>): Rename to...
8442 (*branch_order<mode>): ...this. Remove mode from comparison operator.
8443 Use mips_output_order_conditional_branch. Only accept ordered
8445 (*branch_zero<mode>_inverted): Rename to...
8446 (*branch_order<mode>_inverted): ...this and update as for
8447 *branch_order<mode>.
8448 (*branch_equality<mode>): Accept zero as the second operand to
8449 the equality operator. Use the new mips_output_conditional_branch
8451 (*branch_equality<mode>_inverted): Likewise.
8452 (condjump): New expander.
8453 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
8455 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
8456 (bc1any2t, bc1any2f): Likewise.
8457 (single_cc): New expander.
8458 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
8460 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8462 * doc/md.texi: Update documentation of MIPS constraints.
8463 * config/mips/constraints.md: New file.
8464 * config/mips/mips.md: Include it.
8465 * config/mips/mips.c (mips_char_to_class): Delete.
8466 (override_options): Don't initialize mips_char_to_class.
8467 * config/mips/mips.h (mips_char_to_class): Delete.
8468 (REG_CLASS_FROM_LETTER): Delete.
8469 (CONST_OK_FOR_LETTER_P): Delete.
8470 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8471 (EXTRA_CONSTRAINT_Y): Delete.
8472 (EXTRA_CONSTRAINT_STR): Delete.
8473 (CONSTRAINT_LEN): Delete.
8474 (EXTRA_MEMORY_CONSTRAINT): Delete.
8476 2006-03-09 Diego Novillo <dnovillo@redhat.com>
8478 * tree-cfg.c (move_block_to_fn): Remove the statements from the
8479 original fn's eh regions.
8481 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
8483 * fold-const.c (build_range_check): Make sure to use a valid type to
8484 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
8487 (range_predecessor): New static function.
8488 (range_successor): Likewise.
8489 (merge_ranges): Use them to compute predecessors and successors of
8492 2006-03-09 Roger Sayle <roger@eyesopen.com>
8495 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
8496 X op C3, consider whether C3 overflows towards +Inf or -Inf.
8498 2006-03-08 DJ Delorie <dj@redhat.com>
8500 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
8501 (addpsi3): Expand to include memory operands. Remove
8502 reload-specific splits.
8503 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
8504 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
8505 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
8506 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
8507 (shift1_qi, shift1_hi, insv): New.
8508 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
8509 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
8510 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
8512 * config/m32c/m32c-protos.h: Update as needed.
8513 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
8514 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
8515 Fail for unrecognized R* constraints.
8516 (m32c_cannot_change_mode_class): Be more picky about pseudos.
8517 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
8518 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
8520 (m32c_init_libfuncs): New.
8521 (m32c_legitimate_address_p): Add debug wrapper.
8522 (m32c_rtx_costs): New.
8523 (m32c_address_cost): New.
8524 (conversions): Add 'B' prefix.
8525 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
8526 operands, or word regnames for QI operands. 'B' prints bit
8528 (m32c_expand_setmemhi): New.
8529 (m32c_expand_movmemhi): New.
8530 (m32c_expand_movstr): New.
8531 (m32c_expand_cmpstr): New.
8532 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
8533 (m32c_expand_neg_mulpsi3): Handle non-ints.
8534 (m32c_cmp_flg_0): New.
8535 (m32c_expand_movcc): New.
8536 (m32c_expand_insv): New.
8537 (m32c_scc_pattern): New.
8538 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
8539 a0/a1 out of SIregs.
8540 (STORE_FLAG_VALUE): New.
8541 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
8544 * config/m32c/mov.md: Make constraints more liberal.
8545 (zero_extendqihi2): Optimize r0/r1 case.
8546 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
8547 * config/m32c/predicates.md (m32c_any_operand): New.
8548 (m32c_nonimmediate_operand): New.
8549 (m32c_hl_operand): New.
8550 (m32c_r3_operand): New.
8553 (memsym_operand): New.
8554 (memimmed_operand): New.
8555 (a_qi_operand): New.
8556 (m32c_eqne_operator): New.
8557 (m32c_1bit8_operand): New.
8558 (m32c_1bit16_operand): New.
8559 (m32c_1mask8_operand): New.
8560 (m32c_1mask16_operand): New.
8561 * config/m32c/blkmov.md: New file.
8562 * config/m32c/t-m32c (MD_FILES): Add blkmov.
8564 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
8566 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
8567 unsigned to fix signed/unsigned comparison issue in
8568 DWARF2_FRAME_REG_OUT.
8569 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
8570 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
8572 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
8573 of ptr into the ENABLE_CHECKING section.
8575 2006-03-08 Jeff Law <law@redhat.com>
8577 * tree-vrp.c (infer_value_range): Only count pointer uses
8578 and dereferences if -fdelete-null-pointer-checks is enabled.
8580 * tree-vrp.c (find_assert_locations): Infer value ranges for
8581 single use pointers, but do not create ASSERT_EXPRs for them.
8582 When a non-null range is inferred for a pointer, backwards
8583 propagate that range to other equivalent pointers through the
8586 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
8589 * Makefile.in (dvi, html, install-info): Invoke the corresponding
8590 language hook targets.
8591 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
8592 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
8593 if language hook targets were missing.
8595 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
8597 * tree-ssa-opfinalize.h: Removed.
8598 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
8600 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
8601 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
8602 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
8603 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
8604 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
8605 finalize_ssa_v_must_def_ops): New.
8607 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
8609 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
8612 2006-03-07 Geoffrey Keating <geoffk@apple.com>
8614 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
8616 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
8617 addresses with offsets; reorganize.
8619 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
8620 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
8621 (expand_builtin_init_dwarf_reg_sizes): Likewise.
8623 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
8626 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
8628 2006-03-08 Ben Elliston <bje@au.ibm.com>
8630 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
8632 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
8635 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
8638 2006-03-07 Richard Guenther <rguenther@suse.de>
8640 PR tree-optimization/26587
8641 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
8643 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8645 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
8647 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8649 * hooks.c (hook_bool_mode_rtx_true): New function.
8650 * hooks.h (hook_bool_mode_rtx_true): Declare.
8651 * toplev.c (compile_file): Call output_shared_constant_pool.
8652 * varasm.c (shared_constant_pool): New variable.
8653 (assemble_start_function, assemble_end_function): Remove arguments
8654 from call to output_constant_pool.
8655 (create_constant_pool): New function, split out from...
8656 (init_varasm_status): ...here.
8657 (force_const_mem): Choose between the shared and per-function constant
8658 pools. Set current_function_uses_const_pool when reusing old entries
8659 as well as when creating new ones.
8660 (mark_constant): Ignore data argument.
8661 (mark_constants): Remove pool argument.
8662 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
8663 to decide whether the function uses a constant pool.
8664 (output_constant_pool_contents): New function, split out from...
8665 (output_constant_pool): ...here.
8666 (output_shared_constant_pool): New function.
8667 (init_varasm_once): Initialize shared_constant_pool.
8668 * output.h (output_constant_pool): Delete.
8669 (output_shared_constant_pool): Declare.
8670 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
8671 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
8673 2006-03-06 Nick Clifton <nickc@redhat.com>
8675 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
8676 flag_strength_reduce.
8678 2006-03-06 Ben Elliston <bje@au.ibm.com>
8680 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
8681 x86_64-*-linux* configurations.
8683 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
8684 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
8686 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8688 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
8690 * basic-block.h: Remove the extern for
8691 rediscover_loops_after_threading.
8693 * cfgloop.c (cancel_loop): Make it static.
8694 * cfgloop.h: Remove the prototype for cancel_loop.
8696 * flow.c (recompute_reg_usage): Make it static.
8697 * rtl.h: Remove the prototype for recompute_reg_usage.
8699 * function.c (use_return_register): Make it static.
8700 * function.h: Remove the prototype.
8702 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8704 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
8706 * recog.h: Remove the prototype for
8707 validate_change_maybe_volatile.
8709 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8711 * rtlanal.c (replace_reg): Remove.
8712 * rtl.h: Remove the prototype for replace_reg.
8714 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8716 * regclass.c (reg_scan_update): Remove.
8717 (reg_scan_mark_refs): Remove the last argument.
8718 * rtl.h: Remove the prototype for reg_scan_update.
8720 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8722 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
8723 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
8724 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
8725 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
8726 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
8727 loop-invariant.c, omp-low.c, opts.c, passes.c,
8728 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
8729 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
8730 tree-ssa-structalias.c, tree-ssa-threadedge.c,
8731 tree-ssa-threadupdate.c, tree-vect-patterns.c,
8732 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
8733 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
8735 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8737 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
8738 * dwarf2out.h: Remove the prototype for
8739 dwarf2out_add_library_unit_info.
8741 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8743 * tree.c (add_var_to_bind_expr): Remove.
8744 * tree.h: Remove the prototype for add_var_to_bind_expr.
8746 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8748 * regclass.c (n_non_fixed_regs): Remove.
8749 (init_reg_sets_1, globalize_reg): Remove all uses of
8751 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
8753 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8755 * rtlanal.c (insns_safe_to_move_p): Remove.
8756 * rtl.h: Remove the prototype for insns_safe_to_move_p.
8758 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8760 * expmed.c (expand_mult_add): Remove.
8761 * expr.h: Remove the prototype for expand_mult_add.
8763 2006-03-04 Jakub Jelinek <jakub@redhat.com>
8765 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
8766 and REG_SAVED_VAL_EXP constants.
8767 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
8768 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
8769 Handle regs stored by value.
8770 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
8771 (execute_cfa_program): Handle DW_CFA_val_offset,
8772 DW_CFA_val_offset_sf and DW_CFA_val_expression.
8773 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
8774 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
8775 (uw_install_context_1): Handle target regs stored by value.
8777 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
8779 * tree-sra.c (tree_sra): Return todoflags;
8780 (generate_one_element): Set TODO_update_smt_usage if needed.
8781 (pass_sra): Remove TODO_update_smt_usage.
8782 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
8784 (tree_ssa_forward_propagate_single_use_vars): Return
8785 TODO_update_smt_usage if we need to update SMT usage.
8786 (pass_forwprop): Remove TODO_update_smt_usage.
8788 2006-03-03 Diego Novillo <dnovillo@redhat.com>
8790 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
8791 (correct_use_link): Remove reference to get_stmt_operands.
8792 (update_stmt_operands): Likewise.
8793 (get_modify_expr_operands): New function factored out of
8794 parse_ssa_operands and get_expr_operands.
8795 Try to create V_MUST_DEFs for LHS by default.
8796 (get_expr_operands) <case MODIFY_EXPR>: Call
8797 get_modify_expr_operands.
8798 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
8799 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
8800 (parse_ssa_operands) <case MODIFY_EXPR>: Call
8801 get_modify_expr_operands.
8803 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
8805 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
8806 * tree-flow.h: Remove the prototype for
8807 referenced_var_lookup_if_exists.
8809 2006-03-03 Steve Ellcey <sje@cup.hp.com>
8811 PR rtl-optimization/26345
8813 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
8815 2006-03-03 Roger Sayle <roger@eyesopen.com>
8817 PR tree-optimization/26524
8818 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
8819 fold_convert to create a constant of the appropriate type.
8821 2006-03-03 Richard Sandiford <richard@codesourcery.com>
8823 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8824 SYMBOL_REF_IN_BLOCK_P.
8825 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
8826 of SYMBOL_FLAG_IN_BLOCK.
8827 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
8828 instead of SYMBOL_REF_IN_BLOCK_P.
8829 * explow.c (use_anchored_address): Likewise.
8830 * rtl.c (rtx_size): Likewise.
8831 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
8832 instead of SYMBOL_FLAG_IN_BLOCK.
8833 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8834 SYMBOL_REF_IN_BLOCK_P.
8835 (assemble_variable): Likewise.
8836 (output_constant_def_contents): Likewise.
8837 (output_constant_pool): Likewise.
8838 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
8839 instead of SYMBOL_FLAG_IN_BLOCK.
8840 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8841 SYMBOL_REF_IN_BLOCK_P.
8842 (SYMBOL_REF_BLOCK): Likewise.
8843 (SYMBOL_REF_OFFSET): Likewise.
8844 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8845 SYMBOL_REF_IN_BLOCK_P.
8846 (SYMBOL_FLAG_IN_BLOCK): Replace with...
8847 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
8848 (SYMBOL_REF_IN_BLOCK_P): Replace with...
8849 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
8851 2006-03-03 Jakub Jelinek <jakub@redhat.com>
8853 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
8855 2006-03-02 Roger Sayle <roger@eyesopen.com>
8857 * simplify-rtx.c (simplify_unary_operation): When simplifying
8858 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
8859 that we perform the right shift in the appropriate mode, and
8860 then extend or truncate the result to requested mode.
8862 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
8864 * gengtype.c (main): Handle double_int type.
8865 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
8866 * double-int.c: New file.
8867 * double-int.h: New file.
8868 * system.h: Include doubleint.h.
8869 * Makefile.in (SYSTEM_H): Include double-int.h.
8870 (double-int.o): Add.
8872 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
8875 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
8878 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8880 * tree-vrp.c (remove_range_assertions): Do not update statements
8883 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8885 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
8887 * gcse.c (rest_of_handle_gcse): Ditto.
8888 * except.c (gate_handle_eh): Ditto.
8889 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
8890 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
8892 2006-03-02 Eric Christopher <echristo@apple.com>
8894 * config/i386/i386.c (machopic_output_stub): Add indirection to
8897 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8901 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
8903 Sun Niagara specific optimizations.
8904 * config.gcc: Recognize niagara as target.
8905 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
8906 (TARGET_CPU_niagara): Define.
8907 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
8908 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
8909 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8910 (ASM_CPU_SPEC): Likewise.
8911 (PROCESSOR_NIAGARA): New enum entry.
8912 (REGISTER_MOVE_COST): Handle Niagara.
8913 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
8914 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
8915 (sparc_override_options): Recognize "niagara", set appropriate
8916 default MASK_* values for it, and align functions to 32-bytes
8917 by default just like ULTRASPARC/ULTRASPARC3.
8918 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
8919 (sparc64_initialize_trampoline): Likewise.
8920 (sparc_use_sched_lookahead): Use zero for niagara.
8921 (sparc_issue_rate): Use one for niagara.
8922 * config/sparc/niagara.md: New file.
8923 * config/sparc/sparc.md: Include it.
8924 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
8925 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
8926 when default cpu is niagara.
8927 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8928 (ASM_CPU_SPEC): Likewise.
8929 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
8930 when default cpu is niagara.
8931 (ASM_CPU_SPEC): Handle -mcpu=niagara.
8932 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
8933 just like v9/ultrasparc/ultrasparc3.
8934 * doc/invoke.texi: Add documentation for "niagara" and improve
8935 existing documentation for ultrasparc variants.
8937 2006-03-02 Diego Novillo <dnovillo@redhat.com>
8939 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
8941 2006-03-02 Richard Sandiford <richard@codesourcery.com>
8943 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
8944 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
8945 and say that only one is needed.
8946 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
8947 * target.h (have_switchable_bss_sections): New hook.
8948 * explow.c (use_anchored_address): Check that the symbol is in a block.
8949 * varasm.c (tls_comm_section, comm_section, lcomm_section)
8950 (bss_noswitch_section): New variables.
8951 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
8952 (get_noswitch_section): New function.
8953 (get_block_for_section): Allow SECT to be null.
8954 (unlikely_text_section_p): Use SECTION_STYLE.
8955 (bss_initializer_p): New function.
8956 (get_variable_section): Move earlier in file. Take a new argument,
8957 prefer_noswitch_p. Move bss checks from assemble_variable to here.
8958 Return one of the new *_sections in such cases.
8959 (get_block_for_decl): New function, extracting some logic from
8960 use_blocks_for_decl_p.
8961 (change_symbol_section): Remove in favor of...
8962 (change_symbol_block): ...this new function.
8963 (use_blocks_for_decl_p): Remove checks now performed by
8965 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
8966 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
8967 (emit_local, emit_bss, emit_common): ...these new functions.
8968 Return true if the alignment was honored.
8969 (emit_tls_common): New function.
8970 (asm_emit_uninitialised): Delete.
8971 (assemble_variable_noswitch): New function, split out from...
8972 (assemble_variable): ...here. Don't make decisions about common
8973 variables here. Globalize all public decls that go into non-common
8974 sections. Check whether SYMBOL_REF_BLOCK is null.
8975 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
8976 (output_constant_pool): Likewise.
8977 (init_varasm_once): Initialize the new section variables.
8978 (have_global_bss_p): New function.
8979 (categorize_decl_for_section): Use bss_initializer_p.
8980 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
8981 (place_block_symbol): Assert that the symbol must be in a block.
8982 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
8983 (TARGET_INITIALIZER): Include it.
8984 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
8985 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
8986 (SECTION_MACH_DEP): Bump by two.
8987 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
8988 (unnamed_section): Mention SECTION_UNNAMED in comment.
8989 (named_section): Likewise SECTION_NAMED.
8990 (noswitch_section_callback): New type.
8991 (noswitch_section): New structure.
8992 (section): Add a noswitch_section alternative.
8993 (SECTION_STYLE): New macro.
8994 (tls_comm_section, comm_section, lcomm_section): Declare.
8995 (bss_noswitch_section, have_global_bss_p): Declare.
8996 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8997 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8999 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9000 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9003 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
9005 * tree-vrp.c (execute_vrp): Return value.
9006 * regrename.c (rest_of_handle_regrename): Ditto.
9007 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
9008 * tree-complex.c (tree_lower_complex): Ditto.
9009 (tree_lower_complex_O0): Ditto.
9010 * tracer.c (rest_of_handle_tracer): Ditto.
9011 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
9012 * postreload.c (rest_of_handle_postreload): Ditto.
9013 * tree-tailcall.c (execute_tail_recursion): Ditto.
9014 (execute_tail_calls): Ditto.
9015 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9016 * tree.h (init_function_for_compilation): Ditto.
9017 * ipa-cp.c (ipcp_driver): Ditto.
9018 * tree-scalar-evolution.c (scev_const_prop): Ditto.
9019 * tree-scalar-evolution.h (scev_const_prop): Ditto.
9020 * final.c (compute_alignments): Ditto.
9021 (rest_of_handle_final): Ditto.
9022 (rest_of_handle_shorten_branches): Ditto.
9023 (rest_of_clean_state): Ditto.
9024 * omp-low.c (execute_expand_omp): Ditto.
9025 (execute_lower_omp): Ditto.
9026 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
9027 * ipa-reference.c (static_execute): Ditto.
9028 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
9029 * reorg.c (rest_of_handle_delay_slots): Ditto.
9030 (rest_of_handle_machine_reorg): Ditto.
9031 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
9032 * flow.c (recompute_reg_usage): Ditto.
9033 (rest_of_handle_remove_death_notes): Ditto.
9034 (rest_of_handle_life): Ditto.
9035 (rest_of_handle_flow2): Ditto.
9036 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
9037 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
9038 (do_ssa_store_ccp): Ditto.
9039 (execute_fold_all_builtins): Ditto.
9040 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
9041 * modulo-sched.c (rest_of_handle_sms): Ditto.
9042 * ipa-pure-const.c (static_execute): Ditto.
9043 * cse.c (rest_of_handle_cse): Ditto.
9044 (rest_of_handle_cse2): Ditto.
9045 * web.c (rest_of_handle_web): Ditto.
9046 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
9047 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
9048 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
9049 * tree-nrv.c (tree_nrv): Ditto.
9050 (execute_return_slot_opt): Ditto.
9051 * tree-ssa-alias.c (compute_may_aliases): Ditto.
9052 (create_structure_vars): Ditto.
9053 * loop-init.c (rtl_loop_init): Ditto.
9054 (rtl_loop_done): Ditto.
9055 (rtl_move_loop_invariants): Ditto.
9056 (rtl_unswitch): Ditto.
9057 (rtl_unroll_and_peel_loops): Ditto.
9058 (rtl_doloop): Ditto.
9059 * gimple-low.c (lower_function_body): Ditto.
9060 (mark_used_blocks): Ditto.
9061 * tree-ssa-sink.c (execute_sink_code): Ditto.
9062 * ipa-inline.c (cgraph_decide_inlining): Ditto.
9063 (cgraph_early_inlining): Ditto.
9064 * global.c (rest_of_handle_global_alloc): Ditto.
9065 * jump.c (cleanup_barriers): Ditto.
9066 (purge_line_number_notes): Ditto.
9067 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
9068 (rest_of_handle_if_after_reload): Ditto.
9069 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
9070 (tree_ssa_loop_im): Ditto.
9071 (tree_ssa_loop_unswitch): Ditto.
9072 (tree_vectorize): Ditto.
9073 (tree_linear_transform): Ditto.
9074 (tree_ssa_loop_ivcanon): Ditto.
9075 (tree_ssa_empty_loop): Ditto.
9076 (tree_ssa_loop_bounds): Ditto.
9077 (tree_complete_unroll): Ditto.
9078 (tree_ssa_loop_prefetch): Ditto.
9079 (tree_ssa_loop_ivopts): Ditto.
9080 (tree_ssa_loop_done): Ditto.
9081 * predict.c (tree_estimate_probability): Ditto.
9082 * recog.c (split_all_insns_noflow): Ditto.
9083 (rest_of_handle_peephole2): Ditto.
9084 (rest_of_handle_split_all_insns): Ditto.
9085 * tree-eh.c (lower_eh_constructs): Ditto.
9086 * regmove.c (rest_of_handle_regmove): Ditto.
9087 (rest_of_handle_stack_adjustments): Ditto.
9088 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
9089 * function.c (instantiate_virtual_regs): Ditto.
9090 (init_function_for_compilation): Ditto.
9091 (rest_of_handle_check_leaf_regs): Ditto.
9092 * gcse.c (rest_of_handle_jump_bypass): Ditto.
9093 (rest_of_handle_gcse): Ditto.
9094 * ipa-type-escape.c (type_escape_execute): Ditto.
9095 * alias.c (rest_of_handle_cfg): Ditto.
9096 * tree-if-conv.c (main_tree_if_conversion): Ditto.
9097 * profile.c (rest_of_handle_branch_prob): Ditto.
9098 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
9099 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
9100 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
9101 * tree-dfa.c (find_referenced_vars): Ditto.
9102 * except.c (set_nothrow_function_flags): Ditto.
9103 (convert_to_eh_region_ranges): Ditto.
9104 (rest_of_handle_eh): Ditto.
9105 * emit-rtl.c (unshare_all_rtl): Ditto.
9106 (remove_unnecessary_notes): Ditto.
9107 * except.h (set_nothrow_function_flags): Ditto.
9108 (convert_to_eh_region_ranges): Ditto.
9109 * cfgexpand.c (tree_expand_cfg): Ditto.
9110 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
9111 * tree-ssa-pre.c (do_pre): Ditto.
9112 (execute_fre): Ditto.
9113 * cfgcleanup.c (rest_of_handle_jump): Ditto.
9114 (rest_of_handle_jump2): Ditto.
9115 * tree-sra.c (tree_sra): Ditto.
9116 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
9117 (execute_mudflap_function_decls): Ditto.
9118 * tree-ssa-copy.c (do_copy_prop): Ditto.
9119 (do_store_copy_prop): Ditto.
9120 * ipa-prop.h (ipcp_driver): Ditto.
9121 * cfglayout.c (insn_locators_initialize): Ditto.
9122 * tree-ssa-forwprop.c
9123 (tree_ssa_forward_propagate_single_use_vars): Ditto.
9124 * cfglayout.h (insn_locators_initialize): Ditto.
9125 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
9126 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
9127 (execute_late_warn_uninitialized): Ditto.
9128 * rtl.h (cleanup_barriers): Ditto.
9129 (split_all_insns_noflow): Ditto.
9130 (purge_line_number_notes): Ditto.
9131 (unshare_all_rtl): Ditto.
9132 (remove_unnecessary_notes): Ditto.
9133 (recompute_reg_usage): Ditto.
9134 (variable_tracking_main): Ditto.
9135 * integrate.c (emit_initial_value_sets): Ditto.
9136 * integrate.h (emit_initial_value_sets): Ditto.
9137 * tree-optimize.c (execute_free_datastructures): Ditto
9138 (execute_free_cfg_annotations): Ditto.
9139 (execute_fixup_cfg): Ditto.
9140 (execute_cleanup_cfg_pre_ipa): Ditto.
9141 (execute_cleanup_cfg_post_optimizing): Ditto.
9142 (execute_init_datastructures): Ditto.
9143 * tree-object-size.c (compute_object_sizes): Ditto.
9144 * combine.c (rest_of_handle_combine): Ditto.
9145 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
9146 * bb-reorder.c (duplicate_computed_gotos): Ditto.
9147 (rest_of_handle_reorder_blocks): Ditto.
9148 (rest_of_handle_partition_blocks): Ditto.
9149 * var-tracking.c (variable_tracking_main): Ditto.
9150 * tree-profile.c (tree_profiling): Ditto.
9151 * tree-vect-generic.c (expand_vector_operations): Ditto.
9152 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
9153 * sched-rgn.c (rest_of_handle_sched): Ditto.
9154 (rest_of_handle_sched2): Ditto.
9155 * basic-block.h (free_bb_insn): Ditto.
9156 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
9157 * tree-cfg.c (execute_build_cfg): Ditto.
9158 (remove_useless_stmts): Ditto.
9159 (split_critical_edges): Ditto.
9160 (execute_warn_function_return): Ditto.
9161 (execute_warn_function_noreturn): Ditto.
9162 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
9163 * cfgrtl.c (free_bb_for_insn): Ditto.
9164 * passes.c (execute_one_pass): Run additional
9165 todos returned by execute function.
9166 * tree-pass.h (struct tree_opt_pass): Make execute
9169 2006-03-02 Richard Guenther <rguenther@suse.de>
9171 * tree-ssa-alias.c (find_used_portions): Consider taking
9172 the address as making the variable not write-only.
9174 2006-03-02 Nick Clifton <nickc@redhat.com>
9176 * config.gcc (default_use_cxa_atexit): Extend the description of
9177 this configure variable. Set its default value to "yes" for
9178 Linux, NetBSD and ELF targets on the assumption that they will
9179 use C libraries with the __cxa_atexit function.
9181 2006-03-02 Ben Elliston <bje@au.ibm.com>
9183 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
9184 parameter as unused to suppress a build warning.
9186 2006-03-02 Ben Elliston <bje@au.ibm.com>
9188 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
9191 2006-03-01 Roger Sayle <roger@eyesopen.com>
9194 * gthr-posix.h (__gthrw2): Define to take three parameters, the
9195 declared name, the weak reference name, and the typeof name.
9196 (__gthrw): Avoid expanding the declared name suffix.
9197 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
9199 2006-03-01 Jakub Jelinek <jakub@redhat.com>
9201 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
9203 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
9204 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
9205 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
9206 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
9207 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
9208 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
9209 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
9210 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
9211 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
9212 DW_DS_leading_separate, DW_DS_trailing_separate): New.
9213 (DW_END_default, DW_END_big, DW_END_little): New.
9214 (DW_END_lo_user, DW_END_hi_user): Define.
9215 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
9216 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
9217 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
9220 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9222 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
9224 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
9226 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
9228 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
9230 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
9231 to 'symbol_mem_tag'.
9233 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
9236 2006-03-01 Roger Sayle <roger@eyesopen.com>
9238 * builtins.c (fold_builtin_copysign): Delete unreachable code.
9240 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9243 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
9244 MACHO_DYNAMIC_NO_PIC_P.
9245 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
9247 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9250 * config/darwin-protos.h (darwin_asm_output_anchor):
9252 * config/darwin-sections.def (cstring_section):
9253 Add SECTION_MERGE to the flags.
9254 (literal4_section): Likewise.
9255 (literal8_section): Likewise.
9256 (objc_selector_refs_section): Likewise.
9257 (objc_cls_refs_section): Likewise.
9258 * config/darwin.c (darwin_asm_output_anchor): New
9260 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9262 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
9264 Fix PR tree-optimization/26443
9265 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
9266 to todo and PROP_tmt_usage to properties_destroyed.
9267 * tree-ssa-ccp.c (pass_ccp): Ditto.
9268 (pass_store_ccp): Ditto.
9269 * tree-ssa-dom.c (pass_dominator): Ditto.
9271 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9273 * tree-ssa-operands.c: Cleanup whitespace.
9274 (get_asm_expr_operands): Move before first invocation.
9275 (get_indirect_ref_operands): Likewise.
9276 (get_tmr_operands): Likewise.
9277 (get_call_expr_operands): Likewise.
9278 (append_def): Likewise.
9279 (append_use): Likewise.
9280 (append_v_may_def): Likewise.
9281 (append_v_must_def): Likewise.
9282 (add_call_clobber_ops): Likewise.
9283 (add_call_read_ops): Likewise.
9284 (add_stmt_operand): Likewise.
9285 (add_virtual_operand): Likewise.
9286 (build_ssa_operands): Likewise.
9288 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9293 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9294 with a call expr to ...
9295 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9297 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9299 * tree-vrp.c (extract_range_from_assert): Remove special
9300 handling for types with super-types.
9302 2006-03-01 Ben Elliston <bje@au.ibm.com>
9304 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
9305 and powerpc64-*-linux* configurations.
9306 * config/t-dfprules: New file.
9308 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
9309 Compile dfp-bit.c from the source directory using -DWIDTH and
9310 $DFP_CFLAGS to control the compilation of that file, rather than
9311 generating width-specific versions in the build directory.
9312 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
9313 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
9315 2006-02-28 Zack Weinberg <zackw@panix.com>
9317 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
9320 2006-02-28 Eric Christopher <echristo@apple.com>
9322 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
9323 Set up IN_LIBGCC definition of TARGET_64BIT.
9324 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
9326 2006-02-28 Roger Sayle <roger@eyesopen.com>
9329 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
9330 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
9331 cases via the construction of "expr != 0".
9333 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
9335 * alias.c (alias_invariant, alias_invariant_size): Remove.
9336 (record_base_value): Remove.
9337 (memrefs_conflict_p): Don't look at alias_invariant.
9338 (end_alias_analysis): Don't free it.
9339 * alias.h (record_base_value): Remove prototype.
9341 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
9342 Adam Nemet <anemet@caviumnetworks.com>
9344 * rtl.h (truncated_to_mode): Declare it.
9345 (struct rtl_hooks): Add reg_truncated_to_mode hook.
9346 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
9347 (RTL_HOOKS_INITIALIZER): Include it.
9348 * rtlhooks.c (reg_truncated_to_mode_general): New function.
9349 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
9350 reg_truncated_to_mode.
9351 * rtlanal.c (truncated_to_mode): Define it.
9352 * simplify-rtx.c (simplify_unary_operation_1): Use it.
9354 2006-02-28 Jeff Law <law@redhat.com>
9356 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
9357 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
9358 the range allowed by TYPE_PRECISION.
9360 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
9362 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
9364 PR tree-optimization/26419
9365 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
9368 2006-02-27 Zack Weinberg <zackw@panix.com>
9370 * doc/md.texi: Fix typo in previous change.
9372 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9376 2006-02-27 Zack Weinberg <zackw@panix.com>
9378 * rtl.def (define_constraint, define_register_constraint)
9379 (define_memory_constraint, define_address_constraint): New MD forms.
9380 * gensupport.c (process_rtx): Put define_constraint etc on the
9382 * genpreds.c (process_define_predicate): Adjust comment. Validate
9383 the name, and call validate_exp to validate the expression.
9384 (mark_mode_tests, write_extract_subexp): Can assume correct input.
9385 (write_predicate_expr): Likewise. NAME argument no longer necessary;
9386 all callers changed.
9387 (validate_exp, needs_variable, struct constraint_data)
9388 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
9389 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
9390 (const_dbl_constraints, constraint_max_namelen)
9391 (have_register_constraints, have_memory_constraints)
9392 (have_address_constraints, have_address_constraints)
9393 (have_extra_constraints, have_const_int_constraints)
9394 (have_const_dbl_constraints, mangle, add_constraint)
9395 (process_define_constraint, process_define_register_constraint)
9396 (write_enum_constraint_num, write_lookup_constraint)
9397 (write_insn_constraint_len, write_regclass_for_constraint)
9398 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
9399 (write_insn_extra_memory_constraint)
9400 (write_insn_extra_address_constraint)
9401 (write_satisfies_constraint_fns): New.
9402 (write_tm_preds_h): If we have new-style constraint definitions,
9403 prototype the functions generated from them, and define the
9404 old constraint interface (still used by generic code) in terms of
9406 (write_insn_preds_c): If we have new-style constraint definitions,
9407 generate all relevant functions from those definitions.
9408 (main): Handle define_constraint etc.
9409 * genoutput.c (struct constraint_data, indep_constraints)
9410 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
9411 (mdep_constraint_len): New data structures and functions, defined
9412 #ifdef USE_MD_CONSTRAINTS.
9413 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
9414 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
9415 use new logic to validate operand constraints against constraint
9417 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
9419 * defaults.h: If none of the old-style constraint macros are
9420 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
9421 old-style macros; and poison REG_CLASS_FROM_LETTER,
9422 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
9424 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
9425 * doc/md.texi: Document new constraint-definition mechanism and the
9426 C interface it provides. Remove references to old mechanism
9427 elsewhere in the document.
9428 (Machine Constraints): Use pathnames relative to gcc directory,
9429 i.e. config/ARCH/FILE. Change i386 section to refer to
9430 config/i386/predicates.md; update that section to match docstrings.
9431 * doc/tm.texi: Move all documentation of the old constraint-
9432 definition macros to their own section, clearly mark as obsolete.
9434 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
9435 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
9437 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
9438 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
9439 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
9441 (splits and peepholes): Use satisfies_constraint_*.
9442 * config/i386/i386.c (memory_address_length)
9443 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
9445 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9447 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
9448 scalar operation to be put back into the loop.
9450 2006-02-27 Jakub Jelinek <jakub@redhat.com>
9453 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
9454 (extract_cie_info): Handle S flag in augmentation string.
9455 (execute_cfa_program): If context->signal_frame, execute also
9456 fs->pc == context->ra instructions.
9457 (uw_frame_state_for): If context->signal_frame, don't subtract one
9458 from context->ra to find FDE.
9459 (uw_update_context_1): Set context->signal_frame to
9461 (_Unwind_GetIPInfo): New function.
9462 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
9463 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
9465 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
9466 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
9467 * unwind-compat.c (_Unwind_GetIPInfo): New function.
9468 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
9469 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
9470 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
9471 * config/i386/linux-unwind.h (x86_fallback_frame_state,
9472 x86_64_fallback_frame_state): Set fs->signal_frame.
9473 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
9474 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
9475 (frob_update_context): Likewise. Workaround missing S flag in
9476 Linux 2.6.12 - 2.6.16 kernel vDSOs.
9477 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
9478 Remove the psw_addr + 1 hack.
9480 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9482 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
9483 with aggregates here.
9484 (find_func_aliases): Remove code for &<aggregate> from here.
9486 2006-02-26 Roger Sayle <roger@eyesopen.com>
9488 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
9489 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
9490 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
9493 2006-02-26 Roger Sayle <roger@eyesopen.com>
9496 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
9498 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
9500 * opts.c (decode_options): Do not handle flag_strength_reduce.
9501 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
9502 and OPT_fstrength_reduce.
9503 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
9504 flag_prefetch_loop_arrays for being nonzero.
9505 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
9507 (fprefetch-loop-arrays-rtl): Removed.
9508 (flag_prefetch_loop_arrays): Do not specify the value.
9510 * doc/passes.texi: Update documentation of loop optimizer
9512 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
9513 -frerun-loop-opt): Remove.
9515 2006-02-26 Richard Guenther <rguenther@suse.de>
9517 PR tree-optimization/26421
9518 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
9519 in function calls that are ADDR_EXPRs as using the whole structure.
9521 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
9523 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
9524 * tree-pass.h (pass_loop_optimize): Remove.
9525 * passes.c (pass_loop_optimize): Never run it.
9526 * toplev.c (backend_init): Don't call init_loop.
9527 * opts.c (flag_loop_optimize_set): Remove.
9528 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
9529 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
9530 the old RTL loop optimizer when profiling enabled.
9531 * predict.c (tree_estimate_probability): Always strip builtin_expect.
9532 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
9533 pre-headers for the sake of the old RTL loop optimizer.
9534 * Makefile.in: Remove all references to loop.o.
9536 * doc/invoke.texi: Remove all references to -floop-optimize
9537 and -frerun-loop-opt.
9539 2006-02-26 Zack Weinberg <zackw@panix.com>
9541 * doc/md.texi (Machine Constraints): Refer to all files with paths
9542 relative to gcc directory (i.e. config/CPU/file). Add missing
9543 @table @code ... @end table to M32C subsection.
9545 2006-02-26 Roger Sayle <roger@eyesopen.com>
9547 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
9549 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
9551 2006-02-26 Roger Sayle <roger@eyesopen.com>
9552 James A. Morrison <phython@gcc.gnu.org>
9555 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
9556 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
9557 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
9558 signedness of the shift operation.
9560 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
9562 PR tree-optimization/26359
9563 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
9565 2006-02-25 Roger Sayle <roger@eyesopen.com>
9567 * simplify-rtx.c (simplify_relational_operation_1): Simplify
9568 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
9569 as X == 0, and some symmetry related transformations.
9570 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
9572 2006-02-25 Roger Sayle <roger@eyesopen.com>
9575 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
9576 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
9577 symmetry related transformations. Fold (X^C1) == C2 as
9580 2006-02-25 Juergen Weigert <jw@suse.de>
9581 Richard Guenther <rguenther@suse.de>
9583 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
9585 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
9587 * combine.c (gen_lowpart_or_truncate): Call
9588 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
9590 2006-02-24 Diego Novillo <dnovillo@redhat.com>
9592 * doc/invoke.texi: Move -fopenmp description to "Options for
9594 Remove reference to -lgomp.
9596 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9598 * doc/install.texi: Require GNU tar version 1.14.
9600 2006-02-24 Geoffrey Keating <geoffk@apple.com>
9602 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
9603 * doc/invoke.texi (C++ Dialect Options): Document
9604 -fno-use-cxa-get-exception-ptr.
9605 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
9606 * configure: Regenerate.
9607 * c.opt (fuse-cxa-get-exception-ptr): New.
9608 * c-opts.c (c_common_handle_option): Handle
9609 OPT_fuse_cxa_get_exception_ptr.
9610 * c-common.c (flag_use_cxa_atexit): Update documentation.
9611 (flag_use_cxa_get_exception_ptr): New.
9612 * c-common.h (flag_use_cxa_get_exception_ptr): New.
9613 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
9615 (C_COMMON_OVERRIDE_OPTIONS): New.
9617 2006-02-24 Roger Sayle <roger@eyesopen.com>
9620 * combine.c (try_combine): Explicitly check whether GET_CODE is
9621 a SET or a CLOBBER, instead on checking that it isn't a USE.
9623 2006-02-24 Roger Sayle <roger@eyesopen.com>
9625 * fold-const.c (fold_comparison): New subroutine of fold_binary
9626 containing transformations common to both the equality and
9627 ordering relational operators, factored out of fold_binary.
9628 (fold_binary): Separate out the equality operators (EQ_EXPR
9629 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
9630 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
9631 transformations common to both.
9632 (fold_div_compare): Fix latent bugs in the previously unreachable
9633 LT_EXPR and GE_EXPR cases.
9635 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9637 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
9638 decl libname for clog to __clog on AIX.
9640 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
9642 2006-02-24 Alan Modra <amodra@bigpond.net.au>
9645 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
9646 output traceback table for thunks. Localise rs6000_stack_info call.
9648 2006-02-23 Roger Sayle <roger@eyesopen.com>
9649 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9651 * gthr-posix.h (__gthrw): Fix typo in comment.
9653 2006-02-23 Geoffrey Keating <geoffk@apple.com>
9655 * doc/cpp.texi (Character sets): Document that we do support
9656 input files to be in any character set.
9658 2006-02-23 Jeff Law <law@redhat.com>
9660 * tree.h (PHI_ARG_NONZERO): Remove.
9661 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
9662 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
9663 node to the new node.
9665 PR tree-optimization/26425
9666 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
9667 min/max, then assume its varying.
9669 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9671 PR rtl-optimization/26316
9672 * rtlanal.c (enum may_trap_p_flags): New.
9673 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
9674 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
9675 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
9676 (may_trap_after_code_motion_p): New function.
9677 * loop-invariant.c (find_identical_invariants): Fix dump formating.
9678 (find_invariant_insn): Use may_trap_after_code_motion_p.
9679 * rtl.h (may_trap_after_code_motion_p): Declare.
9681 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9683 * emit-rtl.c (immed_double_const): Cleanup.
9685 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
9687 Fix PR tree-optimization/26376
9688 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
9691 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9694 * gimplify.c (omp_add_variable): Guard variable size decl test with
9695 DECL_SIZE (decl) check.
9697 2006-02-23 Richard Guenther <rguenther@suse.de>
9700 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
9701 like aggregate types.
9703 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9705 * configure.ac: Add --with{,out}-long-double-128 configure option.
9706 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
9707 * configure: Rebuilt.
9708 * config.in: Rebuilt.
9709 * doc/install.texi (Options specification): Document
9710 --with-long-double-128.
9712 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9713 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9714 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9715 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9717 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
9719 * config/s390/s390.c (override_options): Handle
9720 TARGET_DEFAULT_LONG_DOUBLE_128.
9722 * config/alpha/alpha.c (override_options): Handle
9723 TARGET_DEFAULT_LONG_DOUBLE_128.
9725 * config/sparc/sparc.c (sparc_override_options): Handle
9726 TARGET_DEFAULT_LONG_DOUBLE_128.
9728 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
9730 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
9731 (real-install-headers-tar, real-install-headers-cpio)
9732 (real-install-headers-cp): New targets.
9734 2006-02-22 Richard Sandiford <richard@codesourcery.com>
9736 * tree.h (variable_section): Delete.
9737 * varasm.c (variable_section): Delete.
9739 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
9741 * install.texi: Add notes on install.texi2html.
9742 (Building in parallel): Do not use footnotes.
9744 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
9747 * doc/install.texi (Configuration): Document --disable-libgomp.
9749 2006-02-21 Geoffrey Keating <geoffk@apple.com>
9751 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
9753 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9755 * config/i386/sse.md (vec_extractv2df_1_sse): New.
9756 (vec_extractv2df_0_sse): New.
9758 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9760 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
9761 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
9762 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
9763 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
9764 to the result of the expression.
9765 (def_cfa_1): Adjust.
9766 (frame_pointer_cfa_offset): Rename to...
9767 (frame_pointer_fb_offset): ... this. Adjust all uses.
9768 (convert_cfa_to_loc_list): Rename to...
9769 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
9770 Pass it on to build_cfa_loc.
9771 (compute_frame_pointer_to_cfa_displacement): Rename to...
9772 (compute_frame_pointer_to_fb_displacement): ... this. New
9773 offset parameter. Use it in computation.
9774 (gen_subprogram_die): Compute cfa_fb_offset with the new
9775 macro, and use it to compute the fb loc list and the
9778 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
9780 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
9781 replaced with register_operand.
9782 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
9783 non-DREG is expensive.
9784 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
9785 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
9788 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
9790 * doc/install.texi2html: Use set -e.
9792 2006-02-21 Richard Sandiford <richard@codesourcery.com>
9794 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9795 (ASM_OUTPUT_SHARED_LOCAL): Delete.
9796 * doc/invoke.texi (-fshared-data): Delete.
9797 * common.opt (fshared-data): Delete.
9798 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
9799 (assemble_static_space): Remove #if 0 code.
9800 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9801 (ASM_OUTPUT_SHARED_LOCAL): Poison.
9802 * config/cris/cris.h: Remove FIXME.
9804 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
9806 * doc/sourcebuild.texi (Front End Directory): No more double-colon
9809 2006-02-21 Jakub Jelinek <jakub@redhat.com>
9812 * combine.c (simplify_shift_const_1): Disable nested shifts
9813 optimization for vector shifts.
9815 2006-02-20 Roger Sayle <roger@eyesopen.com>
9817 PR tree-optimization/26361
9818 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
9819 of unsigned integer types.
9821 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
9823 * tree-chrec.c (eq_evolutions_p): New.
9824 * tree-chrec.h (eq_evolutions_p): Declared.
9825 * tree-data-ref.c: Fix formatting.
9826 (datadep_stats, dependence_stats): New.
9828 (print_direction_vector): New.
9829 (dump_data_dependence_relation): Use print_direction_vector.
9830 (object_analysis, create_data_ref): Handle COMPONENT_REF.
9831 (compute_subscript_distance): Static.
9832 (initialize_data_dependence_relation): Static. Get the number
9833 of loops surrounding the references from the callers, and initialize
9834 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
9835 base_object_differ_p analyzers.
9836 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
9837 compute_overlap_steps_for_affine_1_2,
9838 analyze_subscript_affine_affine): Count the classified dependences.
9839 Print a message when a test failed.
9840 (can_use_analyze_subscript_affine_affine): New.
9841 (analyze_siv_subscript): Compute the data dependences on symbolic
9842 scevs that verify can_use_analyze_subscript_affine_affine.
9843 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
9844 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
9845 Handle symbolic scevs.
9846 (analyze_overlapping_iterations): Let symbolic affine scevs to be
9848 (subscript_dependence_tester): Moved...
9849 (build_classic_dist_vector, build_classic_dir_vector): Don't use
9850 lambda_vector_clear on newly allocated vectors. Get nb_loops from
9851 DDR_SIZE_VECT instead of getting it in parameter.
9852 (subscript_dependence_tester): ... here. Take as a parameter
9853 loop_nest_depth. Call build_classic_dist_vector and
9854 build_classic_dir_vector.
9855 (compute_affine_dependence): Update subscript_dependence_tester
9856 parameters. Update datadep_stats counters. Call
9857 compute_subscript_distance.
9858 (compute_self_dependence): Save the dist and dir vectors. Call
9859 compute_subscript_distance.
9860 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
9861 (compute_all_dependences): Reorder parameters as they were before
9862 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
9863 compute_subscript_distance. Update the use of
9864 compute_affine_dependence and initialize_data_dependence_relation.
9865 (find_data_references_in_loop): Handle COMPONENT_REF.
9866 (compute_data_dependences_for_loop): Initialize dependence_stats.
9867 Don't call build_classic_dist_vector and build_classic_dir_vector.
9868 Update the parameters of initialize_data_dependence_relation and
9869 compute_all_dependences. Print the statistics from datadep_stats.
9870 (analyze_all_data_dependences): Static. Not used until the pass for
9871 checking the data dependences is contributed.
9872 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
9873 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
9874 (initialize_data_dependence_relation, compute_affine_dependence,
9875 analyze_all_data_dependences, compute_subscript_distance): Removed.
9876 (print_direction_vector): New.
9877 * lambda.h (gcd): ... here.
9878 (lambda_vector_gcd): Moved here from gcd_vector.
9879 * lambda-code.c (gcd, gcd_vector): Removed.
9880 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
9881 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
9883 2006-02-20 Diego Novillo <dnovillo@redhat.com>
9885 * ipa-type-escape.c: Tidy some comments and white space.
9886 * tree-ssa-operands.c: Likewise.
9888 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
9891 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
9892 (dump_decl_name): Do not walk the decl tree chains.
9893 * tree-pass.h (TDF_CHAIN): Remove.
9895 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9897 * Makefile.in (C): Remove
9899 (.PHONY): Remove C and PROTO
9901 2006-02-20 Roger Sayle <roger@eyesopen.com>
9904 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
9905 deprecated CHAR_TYPE tree code.
9907 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9909 * configure.ac (target_list): Add install-info, dvi, html.
9910 * configure: Regenerate.
9912 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
9913 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
9914 treelang/Make-lang.in: Do not use double-colon rules.
9916 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
9918 * tree.h (struct tree_memory_tag): Add is_used_alone member.
9919 (TMT_USED_ALONE): New macro.
9920 * tree-pass.h (PROP_tmt_usage): New property.
9921 (TODO_update_tmt_usage): New todo.
9922 * tree-ssa-alias.c (updating_used_alone): New variable.
9923 (recalculate_used_alone): New function.
9924 (compute_may_aliases): Set updating_used_alone, call
9925 recalculate_used_alone.
9926 * tree-sra.c (pass_sra): Note that this pass destroys
9927 PROP_tmt_usage, and add TODO_update_tmt_usage.
9928 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
9929 * tree-flow.h (updating_used_alone): Prototype.
9930 (recalculate_used_alone): Ditto.
9931 * passes.c (execute_todo): Add code to set updating_used_alone,
9932 and call recalculate.
9933 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
9934 for clobber if used alone, and add assert to verify used_alone
9937 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
9939 * config/s390/s390.c (legitimize_pic_address): Assertions checking
9940 for non tls symbols added.
9941 (legitimize_address): Do nothing for PLUS expressions if one of the
9942 addends is a tls symbol reference.
9944 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9948 * Makefile.in (LDFLAGS): Define from autoconf substitution.
9950 * Makefile.in (BOOTSTRAPPING): New.
9951 (quickstrap): New definition if BOOTSTRAPPING=yes.
9953 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
9954 * configure.ac: Substitute all_selected_languages with the languages
9955 that were configured. For all the other variables except
9956 lang_specs_files, include all the languages in the tree.
9957 * configure: Regenerate.
9959 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
9960 if there is one. Run the commands to run fixincludes in the same
9963 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
9964 * doc/install.texi: Document exact conventions for searching target tools.
9965 Document --with-build-time-tools. Document toplevel bootstrap. Document
9966 something more about building an Ada cross-compiler. Don't list GNU Make
9967 requirements which affect all platforms.
9969 2006-02-19 Roger Sayle <roger@eyesopen.com>
9972 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
9973 only equivalent if the have both the same mode and precision.
9975 2006-02-20 Ben Elliston <bje@au.ibm.com>
9977 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
9979 2006-02-19 Roger Sayle <roger@eyesopen.com>
9980 Steven Bosscher <stevenb.gcc@gmail.com>
9982 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
9983 constant pool references to identify stack mode constants.
9984 * rtlanal.c (constant_pool_constant_p): New predicate to check
9985 whether operand is a floating point constant in the pool.
9986 * rtl.h (constant_pool_constant_p): Prototype here.
9987 * loop.c (scan_loop): Avoid hoisting constants from the constant
9988 pool on STACK_REGS targets.
9989 (load_mems): Likewise.
9990 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
9991 loads into x87 registers expensive in terms of register pressure.
9993 2006-02-19 Roger Sayle <roger@eyesopen.com>
9995 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
9996 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
9998 2006-02-19 David Edelsohn <edelsohn@gnu.org>
10000 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10001 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
10003 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
10005 * doc/invoke.texi: Document -fipa-pta.
10006 * common.opt: Add ipa-pta option.
10007 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
10008 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
10009 (do_ds_constraint): Ditto.
10010 (get_constraint_for): Only add to referenced_vars if
10011 referenced_vars exists.
10012 (insert_into_field_list): Rewrite to do this unsorted.
10013 (insert_into_field_list_sorted): Rename old insert_into_field_list
10015 (create_function_info_for): Use insert_into_field_list_sorted.
10016 (create_variable_info_for): Rewrite so it uses unsorted version,
10017 since the field list is sorted.
10018 (intra_create_variable_infos): Only add to referenced_vars if
10019 referenced_vars exists.
10020 (ipa_pta_execute): Init heapvars, and delete when done.
10021 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
10023 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10025 * doc/install.texi: Add missing `@samp'.
10027 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10029 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
10032 2006-02-18 Mark Wielaard <mark@klomp.org>
10034 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
10035 who added new 4.1 features, bug fixes and integration support.
10037 2006-02-18 David Edelsohn <edelsohn@gnu.org>
10040 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
10041 MEM for ABI_V4 pic.
10043 2006-02-18 Richard Sandiford <richard@codesourcery.com>
10045 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
10046 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
10047 (copy_insn_1): Likewise. Don't copy each field individually.
10049 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
10051 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
10052 * rtl.c (rtx_size): Rename variable to...
10053 (rtx_code_size): ...this.
10054 (rtx_size): New function.
10055 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
10056 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
10058 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
10059 * rtl.h (rtx_code_size): New variable.
10060 (rtx_size): Change from a variable to a function.
10061 (RTX_SIZE): Rename to...
10062 (RTX_CODE_SIZE): ...this.
10065 PR tree-optimization/17106
10066 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
10067 (Anchored Addresses): New section.
10068 * doc/invoke.texi (-fsection-anchors): Document.
10069 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
10070 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
10071 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
10072 * hooks.c (hook_bool_mode_rtx_false): New function.
10073 * hooks.h (hook_bool_mode_rtx_false): Declare.
10074 * gengtype.c (create_optional_field): New function.
10075 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
10076 SYMBOL_REF_IN_BLOCK_P is true.
10077 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
10078 (min_anchor_offset, max_anchor_offset): Likewise.
10079 (use_anchors_for_symbol_p): New hook.
10080 * toplev.c (compile_file): Call output_object_blocks.
10081 (target_supports_section_anchors_p): New function.
10082 (process_options): Check that -fsection-anchors is only used on
10083 targets that support it and when -funit-at-a-time is in effect.
10084 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
10085 if the decl doesn't have one.
10086 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
10087 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
10088 of force_const_mem through use_anchored_address.
10089 (expand_expr_constant): New function.
10090 (expand_expr_addr_expr_1): Call it. Use the same modifier when
10091 calling expand_expr for INDIRECT_REF.
10092 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
10093 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
10094 * expr.h (use_anchored_address): Declare.
10095 * loop-unroll.c: Don't declare rtx vectors here.
10096 * explow.c: Include output.h.
10097 (validize_mem): Call use_anchored_address.
10098 (use_anchored_address): New function.
10099 * common.opt (-fsection-anchors): New switch.
10100 * varasm.c (object_block_htab, anchor_labelno): New variables.
10101 (hash_section, object_block_entry_eq, object_block_entry_hash)
10102 (use_object_blocks_p, get_block_for_section, create_block_symbol)
10103 (use_blocks_for_decl_p, change_symbol_section): New functions.
10104 (get_variable_section): New function, split out from assemble_variable.
10105 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
10106 use_blocks_for_decl_p say so. Use change_symbol_section if the
10107 symbol has already been created.
10108 (assemble_variable_contents): New function, split out from...
10109 (assemble_variable): ...here. Don't output any code for
10110 block symbols; just pass them to place_block_symbol.
10111 Use get_variable_section and assemble_variable_contents.
10112 (get_constant_alignment, get_constant_section, get_constant_size): New
10113 functions, split from output_constant_def_contents.
10114 (build_constant_desc): Create a block symbol if use_object_blocks_p
10115 says so. Or into SYMBOL_REF_FLAGS.
10116 (assemble_constant_contents): New function, split from...
10117 (output_constant_def_contents): ...here. Don't output any code
10118 for block symbols; just pass them to place_section_symbol.
10119 Use get_constant_section and get_constant_alignment.
10120 (force_const_mem): Create a block symbol if use_object_blocks_p and
10121 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
10122 (output_constant_pool_1): Add an explicit alignment argument.
10123 Don't switch sections here.
10124 (output_constant_pool): Adjust call to output_constant_pool_1.
10125 Switch sections here instead. Don't output anything for block symbols;
10126 just pass them to place_block_symbol.
10127 (init_varasm_once): Initialize object_block_htab.
10128 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
10129 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
10130 (place_block_symbol, get_section_anchor, output_object_block)
10131 (output_object_block_htab, output_object_blocks): New functions.
10132 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
10133 (TARGET_ASM_OUT): Include it.
10134 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
10135 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
10136 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
10137 (TARGET_INITIALIZER): Include them.
10138 * rtl.c (rtl_check_failed_block_symbol): New function.
10139 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
10140 (block_symbol, object_block): New structures.
10141 (rtx_def): Add a block_symbol field to the union.
10142 (BLOCK_SYMBOL_CHECK): New macro.
10143 (rtl_check_failed_block_symbol): Declare.
10144 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
10145 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
10146 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
10147 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
10148 * output.h (output_section_symbols): Declare.
10149 (object_block): Name structure.
10150 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
10151 (default_use_anchors_for_symbol_p): Declare.
10152 * Makefile.in (RTL_BASE_H): Add vec.h.
10153 (explow.o): Depend on output.h.
10154 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
10155 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10156 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10157 (rs6000_use_blocks_for_constant_p): New function.
10159 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10161 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
10163 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10166 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
10169 2006-02-18 Diego Novillo <dnovillo@redhat.com>
10171 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
10175 2006-02-18 Jakub Jelinek <jakub@redhat.com>
10177 PR middle-end/26334
10178 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
10179 instead of DECL_REGISTER.
10181 2006-02-18 Olivier Hainque <hainque@adacore.com>
10184 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
10186 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
10189 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
10190 * opth-gen.awk: Handle Var and InverseMask together.
10191 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
10192 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
10193 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
10194 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
10196 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10197 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10198 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
10199 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10200 LINUX_DYNAMIC_LINKER): Define.
10201 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
10202 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
10204 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10205 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
10206 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10207 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10208 (TARGET_C99_FUNCTIONS): Don't define.
10209 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
10210 GLIBC_DYNAMIC_LINKER.
10211 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
10212 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
10213 GLIBC_DYNAMIC_LINKER64): Define.
10214 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10215 LINUX_DYNAMIC_LINKER64.
10216 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10217 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10218 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
10219 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10220 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10221 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10222 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
10223 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
10224 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
10225 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
10226 and LINUX_DYNAMIC_LINKER32.
10227 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10228 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10229 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
10230 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10231 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
10233 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
10234 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
10235 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10236 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10237 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10238 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
10239 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
10240 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
10241 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10242 LINUX_DYNAMIC_LINKER): Define.
10243 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
10244 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
10245 GLIBC_DYNAMIC_LINKER64): Define.
10246 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10247 LINUX_DYNAMIC_LINKER64.
10248 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10249 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10250 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
10251 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10252 LINUX_DYNAMIC_LINKER): Define.
10253 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10254 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10255 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
10256 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
10257 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
10258 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10259 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
10260 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
10261 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10262 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10263 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10264 * doc/invoke.texi (-muclibc): Remove caveat about supported
10267 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
10269 * doc/cpp.texi (__TIMESTAMP__): Document.
10271 2006-02-17 Roger Sayle <roger@eyesopen.com>
10273 PR middle-end/25600
10274 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
10275 C is one less than the width of X (and related transformations).
10276 * simplify-rtx.c (simplify_unary_operation_1): Transform
10277 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
10278 depending on STORE_FLAG_VALUE, were C is one less then the
10281 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
10283 Fix PR tree-optimization/26341
10284 * tree-ssa-operands.c (add_virtual_operand): Remove assert
10285 about NAME_MEMORY_TAG's.
10287 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10290 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
10291 with hardware float support, and software float support. Add fcpy
10292 alternative to hardware patterns. Add alternatives to copy between
10293 general and floating-point registers to the 32-bit pattern.
10294 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
10295 secondary reload to load a QI or HI mode constant into a floating
10297 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
10298 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
10300 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
10303 * config/rs6000/darwin.md (load_macho_picbase_si): Add
10305 (load_macho_picbase_di): Likewise.
10307 2006-02-16 Jeff Law <law@redhat.com>
10309 * tree-vrp.c (set_value_range_to_nonnegative): New function.
10310 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
10311 (ssa_name_nonzero_p): Likewise.
10312 (get_value_range): Return NULL if VRP is not running.
10313 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
10314 VRP routines do not discover a range.
10315 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
10316 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
10317 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
10318 (tree_expr_nonnegative_p): Similarly.
10319 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
10320 (restore_nonzero_vars_to_original_value): Remove.
10321 (unsafe_associative_fp_binop): Remove.
10322 (tree_ssa_dominator_optimize): Remove initialization and
10323 finalization of nonzero_vars and nonzero_vars_stack.
10324 (dom_opt_initialize_block): No longer push marker on
10325 nonzero_vars_stack.
10326 (dom_opt_finalize_block): No longer call
10327 restore_nonzero_vars_to_original_value.
10328 (record_equivalences_from_phis): No longer look for
10329 nonzero PHI arguments.
10330 (cprop_into_successor_phis): No longer propagate nonzero
10331 property into PHI arguments. Lose unused argument. Caller
10333 (record_equivalences_from_stmt): No longer record nonzero
10334 values for SSA_NAMEs.
10335 (lookup_avail_expr): No longer use nonzero_vars.
10337 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
10338 for sizetype when sizetype is unsigned.
10340 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
10342 PR rtl-optimization/25603
10343 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
10344 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
10345 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
10346 with new meaning of SETS.
10348 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
10353 * config/linux.opt: New file.
10354 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
10355 LINUX_DYNAMIC_LINKER): Define.
10356 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
10357 * config.gcc (*-*-linux*): Define extra_options.
10358 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
10359 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
10360 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
10361 GLIBC_DYNAMIC_LINKER.
10362 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
10363 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10364 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10365 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10366 * doc/invoke.texi (GNU/Linux Options): New section.
10368 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10370 * config/sparc/sparc.md (setjmp): Rewrite.
10371 (setjmp_32): Delete.
10372 (setjmp_64): Likewise.
10374 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
10376 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
10379 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10381 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
10384 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10386 PR rtl-optimization/26296
10387 * Makefile.in (loop-invariant.c): Add except.h dependency.
10388 * loop-invariant.c: Include except.h.
10389 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
10391 2005-02-16 Paul Brook <paul@codesourcery.com>
10393 * reload1.c (emit_reload_insns): Invalidate dead input registers used
10396 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
10398 PR rtl-optimization/25636
10399 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
10400 when deciding whether an insn is an initializing insn.
10402 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
10404 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
10405 (tree_code_size): Ditto.
10406 * tree.h (struct tree_memory_tag): Remove parent_var.
10407 (struct tree_struct_field_tag): New.
10410 (union tree_node): Add sft member.
10411 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
10413 (create_sft): Add size and offset argument, set SFT_OFFSET and
10415 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
10416 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
10417 * tree-flow-inline.h (get_subvar_at): Update for
10418 SFT_OFFSET/SFT_SIZE.
10419 (var_can_have_subvars): Ditto.
10420 (overlap_subvar): Ditto.
10421 * print-tree.c (print_node): Print out interesting things for
10423 * tree-flow.h (struct subvar): Remove offset and size members.
10424 * tree-ssa-operands.c (get_expr_operands): Update for
10425 get_indirect_ref_operands changes.
10426 (get_indirect_ref_operands): Call add_virtual_operand instead of
10427 add_stmt_operand. Only recurse on base var if requested.
10428 (access_can_touch_variable): New function.
10429 (add_stmt_operand): Split virtual operand handling into ...
10430 (add_virtual_operand): Here. Add offset, size, and for_clobber
10431 arguments. Prune alias sets.
10432 (add_call_clobber_ops): Call add_virtual_operand.
10434 2006-02-15 Jakub Jelinek <jakub@redhat.com>
10436 PR middle-end/26300
10437 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
10439 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
10440 than TREE_CODE as index into omp_clause_num_ops array.
10442 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
10444 PR rtl-optimization/26184
10445 * modulo-sched.c (generate_reg_moves): Free bitmap vector
10447 * modulo-sched.c (sms_schedule): Free g_arr pointer.
10448 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
10449 must_precede, must_follow and tobe_scheduled.
10452 * opts.c (common_handle_option): Free new_option pointer.
10453 * df-core.c (df_analyze): Free postorder pointer.
10455 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10457 * Makefile.in: Fix the examples about the use of stamps
10459 2006-02-15 Michael Matz <matz@suse.de>
10461 PR middle-end/22275
10463 * stor-layout.c (layout_decl): Zero-width bitfields aren't
10464 influenced by maximum_field_alignment or DECL_PACKED.
10465 (update_alignment_for_field): Ditto.
10466 (place_field): Ditto.
10467 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
10470 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
10472 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
10473 (debug_flow_info): Pass it.
10474 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
10475 * bb-reorder.c (reorder_basic_blocks): Likewise.
10476 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
10477 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
10478 * flow.c (life_analysis, recompute_reg_usage): Likewise.
10479 * gcse.c (gcse_main, bypass_jumps): Likewise.
10480 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
10481 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
10482 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
10483 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
10484 * rtl.h (dump_flow_info): Adjust prototype.
10485 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
10486 * var-tracking.c (variable_tracking_main): Likewise.
10487 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
10488 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
10491 2006-02-15 Marcin Dalecki <martin@dalecki.de>
10493 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
10496 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10498 PR tree-optimization/26209
10499 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
10500 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
10502 * tree-cfg.c (replace_uses_by): Do not alter cfg.
10504 2006-02-14 Roger Sayle <roger@eyesopen.com>
10506 PR middle-end/23670
10507 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
10508 (X,Y) and the corresponding symmetry related transformations.
10509 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
10510 (X,Y) and its symmetry related transformations.
10512 2006-02-14 Roger Sayle <roger@eyesopen.com>
10514 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
10517 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
10519 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
10521 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10524 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
10525 support COMDAT group.
10526 * configure: Regenerate.
10528 2006-02-14 Roger Sayle <roger@eyesopen.com>
10530 PR middle-end/26279
10531 PR middle-end/26280
10532 PR middle-end/26283
10533 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
10535 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
10537 Fix PR tree-optimization/26260
10539 * doc/invoke.texi (max-fields-for-field-sensitive): Document
10541 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
10542 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
10543 * tree-ssa-structalias.c (create_variable_info_for): Use
10544 MAX_FIELDS_FOR_FIELD_SENSITIVE.
10546 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10548 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
10550 * tree-ssa-loop-niter.c (number_of_iterations_ne,
10551 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
10552 of the ending condition.
10553 * tree-ssa-loop-manip.c: Include params.h.
10554 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
10555 tree_unroll_loop): New functions.
10556 * tree-pass.h (pass_loop_prefetch): Declare.
10557 * loop.c (rest_of_handle_loop_optimize): Test for
10558 -fprefetch-loop-arrays-rtl.
10559 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
10560 * timevar.def (TV_TREE_PREFETCH): New timevar.
10561 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
10562 pass_loop_prefetch): New.
10563 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
10564 (cleanup_tree_cfg_loop): Call scev_reset.
10565 * common.opt (fprefetch-loop-arrays-rtl): Add.
10566 * tree-ssa-loop-prefetch.c: New file.
10567 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
10568 (new_temp_expr_table): Initialize expr_vars.
10569 (free_temp_expr_table): Cleanup expr_vars.
10570 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
10571 expressions from being merged into one.
10572 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
10573 (struct tree_niter_desc): Add control, bound and cmp fields.
10574 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
10576 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
10577 (tree-cfgcleanup.o): Add SCEV_H dependency.
10578 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
10579 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
10581 2006-02-14 Richard Guenther <rguenther@suse.de>
10583 PR tree-optimization/26258
10584 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
10585 in PHI argument processing.
10587 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
10589 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
10590 new expression in the requested machine mode.
10592 2006-02-13 Roger Sayle <roger@eyesopen.com>
10594 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
10595 directly, instead let do_compare_rtx_and_jump handle this for us.
10596 * expr.c (expand_expr_real_1): Likewise.
10597 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
10598 before do_jump_by_parts_greater.
10599 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
10600 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
10602 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10604 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
10606 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10608 PR rtl-optimization/26235
10609 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
10610 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
10613 2006-02-13 Jeff Law <law@redhat.com>
10615 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
10618 2006-02-13 Jakub Jelinek <jakub@redhat.com>
10620 PR middle-end/26092
10621 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
10622 twice if decl is a builtin. When trying again, call get_callee_fndecl
10623 first to verify it is still a builtin.
10625 2006-02-13 Geoffrey Keating <geoffk@apple.com>
10627 * dwarf2out.c (base_type_die): Don't add AT_name here.
10628 (subrange_type_die): Don't add AT_name here.
10629 (modified_type_die): Rearrange code flow. Do add AT_name here.
10631 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10633 PR rtl-optimization/26247
10634 PR rtl-optimization/26248
10635 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
10637 2006-02-13 Richard Sandiford <richard@codesourcery.com>
10639 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
10640 * config/fixtfdi.c: Likewise.
10641 * config/fixunstfdi.c: Likewise.
10642 * config/floatditf.c: Likewise.
10644 2006-02-13 Roger Sayle <roger@eyesopen.com>
10646 PR middle-end/24427
10647 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
10648 into (X,C2) if C1 is a subset of the bits of C2. Transform
10649 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
10651 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
10653 2006-02-13 Josh Conner <jconner@apple.com>
10656 * varasm.c (function_section): Check for section name before
10657 calling select_section on targets that define
10658 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
10659 unlikely_text_section instead of hot_function_section if
10660 first_function_block_is_cold.
10662 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
10664 PR middle-end/25335
10665 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
10667 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10669 PR rtl-optimization/26222
10670 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
10671 after tree->rtl expansion.
10672 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
10673 before passing it to emit_move_insn.
10675 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
10677 * doc/invoke.texi (-Write-strings): Document that it is enabled by
10679 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
10680 Clarify documentation.
10681 * c-common.h (warn_write_strings): Remove.
10682 * c-common.c (warn_write_strings): Likewise.
10683 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
10686 2006-02-12 Roger Sayle <roger@eyesopen.com>
10688 PR middle-end/25724
10689 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
10690 (do_jump_parts_zero_rtx): New function renamed from
10691 do_jump_parts_equality_rtx. Made static. Add a mode argument.
10692 (do_jump_parts_equality_rtx): New function split out from
10693 do_jump_parts_equality. Old implementation renamed as above.
10694 Call do_jump_parts_zero_rtx if either operand is zero.
10695 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
10696 do all of the heavy lifting.
10697 (do_compare_rtx_and_jump): Handle multi-word comparisons by
10698 calling either do_jump_by_parts_greater_rtx or
10699 do_jump_by_parts_equality_rtx.
10700 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
10701 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
10702 moved to do_compare_rtx_and_jump, call it directly.
10703 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
10704 mode argument. Call do_compare_rtx_and_jump.
10705 (emit_case_nodes): Update calls to do_jump_if_equal.
10707 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10709 PR rtl-optimization/26225
10710 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
10712 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10714 PR rtl-optimization/26232
10715 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
10717 2006-02-11 Jason Merrill <jason@redhat.com>
10720 * tree-inline.c (declare_return_variable): Just don't use the
10721 modify target if it's a gimple complex reg and the return slot
10724 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10726 * doc/contrib.texi: Update my entry.
10728 2006-02-10 Geoffrey Keating <geoffk@apple.com>
10730 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
10732 2006-02-10 Diego Novillo <dnovillo@redhat.com>
10734 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
10737 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
10739 * doc/invoke.texi (-floop-optimize2): Removed.
10740 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
10741 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
10742 Test flag_branch_on_count_reg only if HAVE_doloop_end.
10743 * common.opt (floop-optimize2): Removed.
10744 (fmove-loop-invariants): Enabled by default.
10746 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
10748 * tree-if-conv.c (combine_blocks): Free the result of
10749 get_loop_exit_edges.
10751 2006-02-10 Jeff Law <law@redhat.com>
10753 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
10755 PR tree-optimization/26213
10756 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
10757 loop trying to follow SSA_NAME_VALUE chains.
10759 2006-02-10 Richard Guenther <rguenther@suse.de>
10761 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
10762 deal with structures that end in implicitly variable sized arrays.
10764 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10766 PR rtl-optimization/24762
10767 * df-scan.c (df_bb_refs_record): Record correct registers defined on
10770 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10772 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
10773 (struct ivopts_data): Add regs_used field.
10774 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
10775 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
10776 instead of loop_data->regs_used;
10777 (free_loop_data): Do not free aux fields for loops.
10778 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
10779 and tree_ssa_iv_optimize_finalize.
10781 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
10783 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
10785 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10788 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
10789 computing the effective result type.
10791 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10793 PR inline-asm/16194
10794 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
10795 (tree_overlaps_hard_reg_set): Declare.
10796 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
10797 type and signature to match function type expected by walk_tree.
10798 (tree_overlaps_hard_reg_set): New function.
10799 (decl_conflicts_with_clobbers_p): Rename to:
10800 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
10801 Use tree_overlaps_hard_reg_set. Changed caller.
10802 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
10803 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
10804 * cris.c (cris_md_asm_clobbers): Likewise.
10806 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
10808 * reload1.c (emit_input_reload_insns): Delete code that tries to
10809 inherit using find_equiv_reg.
10811 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
10813 * c-common.h (flag_const_strings): Don't declare.
10814 * c-common.c (flag_const_strings): Remove.
10815 * c.opt (fconst_strings): Remove.
10816 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
10817 <OPT_Wwrite_strings>: Don't set flag_const_strings.
10818 (c_common_init_options): Don't set flag_const_strings.
10819 * doc/invoke.texi (-fno-const-strings): Remove documentation.
10821 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
10823 * arm.md (tlobits_cbranch): New pattern.
10824 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
10825 testing a single bit.
10827 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10830 * tree-ssa-pre.c (create_component_ref_by_pieces):
10831 Handle RETURN_DECL like VAR_DECL.
10833 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10835 PR middle-end/26134
10836 * fold-const.c (fold_indirect_ref_1): Fold
10837 "*(foo *)&complexfoo" to "__real__ complexfoo"
10838 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
10840 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10842 * tree-flow-inline.h (var_can_have_subvars):
10843 Volatile variables should not have subvariables.
10845 2006-02-09 Diego Novillo <dnovillo@redhat.com>
10848 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
10849 multiplying unsigned values.
10852 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
10854 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
10856 2006-02-08 Jason Merrill <jason@redhat.com>
10859 * tree.def: Elaborate on difference from MODIFY_EXPR.
10860 * doc/c-tree.texi (INIT_EXPR): Likewise.
10861 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
10862 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
10863 (gimplify_target_expr): Likewise.
10864 (gimplify_cond_expr): Remove target handling.
10865 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
10866 (gimplify_expr): Clobber it here.
10867 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
10868 Do return slot optimization if we have an INIT_EXPR.
10871 * tree-inline.c (declare_return_variable): Also clear
10872 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
10875 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
10877 PR middle-end/22439
10878 * gimplify.c (gimplify_one_sizepos): Fix typo.
10880 2006-02-08 Jeff Law <law@redhat.com>
10882 PR tree-optimization/21417
10883 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
10884 across a backedge if the control statement at the end of the
10885 block is data dependent on other statements in the same block.
10886 (record_temporary_equivalences_from_stmts): Remove over-conservative
10887 test for threading across backedges.
10889 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
10890 control statement, handle all three special cases in the same
10891 manner as they all have the same desired solution. No longer
10892 special case edge flag updating when the post dominator is
10895 2006-02-08 Roger Sayle <roger@eyesopen.com>
10897 * tree.def (CHAR_TYPE): Remove.
10898 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
10899 * dwarf2out.c (base_type_die, is_base_type): Likewise.
10900 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
10901 (gen_string_type_die): Delete unreachable function.
10903 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
10904 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
10905 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
10906 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
10907 * builtins.c (type_to_class): Likewise.
10908 * fold-const.c (fold_convert, build_range_check,
10909 merge_ranges): Likewise.
10910 * expr.c (count_type_elements): Likewise.
10911 * c-pretty-print.c (pp_c_type_specifier): Likewise.
10912 * stor-layout.c (layout_type): Likewise.
10913 * ipa-type-escape.c (type_to_consider): Likewise.
10914 * gimplify.c (omp_firstprivatize_type_sizes,
10915 gimplify_type_sizes): Likewise.
10916 * explow.c (promote_mode): Likewise.
10917 * tree-sra.c (is_sra_scalar_type): Likewise.
10918 * varasm.c (output_constant): Likewise.
10919 * tree-inline.c (remap_type_1): Likewise.
10920 * convert.c (convert_to_pointer, convert_to_real,
10921 convert_to_integer, convert_to_complex): Likewise.
10923 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
10925 * df-scan.c (df_def_record_1): A set destination may
10926 be a parallel regardless of mode.
10928 2006-02-08 Roger Sayle <roger@eyesopen.com>
10931 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
10932 * config/mips/_tilib.c: Remove.
10933 * config/fixtfdi.c: New libgcc source file.
10934 * config/fixunstfdi.c: New source file.
10935 * config/floatditf.c: New source file.
10936 * config/floatunditf.c: New souce file.
10937 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10938 files above instead of config/mips/_tilib.c.
10939 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10941 2006-02-08 Jeff Law <law@redhat.com>
10943 PR tree-optimization/26169
10944 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
10947 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
10949 * df.h (DF_REG_SIZE): Return the length of the initialized
10952 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
10954 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
10955 __muldf3): Return a correctly signed zero.
10957 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
10959 * passes.c (register_one_dump_file): Accept the current properties
10960 instead of pass number. Adjust call to dump_register. Remove
10962 (register_dump_files): Now a wrapper around...
10963 (register_dump_files_1): ... this one. Do not modify the pass
10965 (next_pass_1): Cosmetic fix.
10966 (execute_todo): Keep second parameter only. Use curr_properties
10967 instead of fetching it from the pass structure. Check and set
10969 (execute_one_pass): Handle TODO_set_props. Use curr_properties
10970 instead of fetching it from the pass structure. Fix calls to
10971 execute_todo. Update curr_properties and initialize .vcg RTL dump
10972 after running the pass. Reset last_verified.
10973 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
10975 (FIRST_AUTO_NUMBERED_DUMP): New.
10976 (dump_register): Remove "num" parameter, assign it within the
10978 (get_dump_file_name): Modify template for dumps.
10979 * tree-dump.h (dump_register): Adjust prototype.
10980 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
10981 (PROP_trees): Add PROP_gimple_lomp.
10982 (TODO_set_props): New.
10983 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
10984 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
10985 * cfgexpand.c (pass_expand): Destroy PROP_trees.
10987 2006-02-08 Jakub Jelinek <jakub@redhat.com>
10989 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
10990 (sparc64-*-linux*): Likewise.
10991 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
10992 * config/sparc/t-linux: New file.
10993 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
10994 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
10995 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
10996 -m32 -mlong-double-128.
10998 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
10999 * config/alpha/t-linux: New file.
11000 * config/alpha/libgcc-alpha-ldbl.ver: New file.
11002 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
11003 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
11004 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
11005 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
11006 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
11007 (CPP_ARCH32_SPEC): Remove.
11009 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
11011 PR tree-optimization/26145
11012 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
11015 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11018 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
11019 >= 240000 when generating code for SOM runtime.
11020 (output_indirect_call): Don't use "b,l" instruction for indirect calls
11021 to $$dyncall when generating code for SOM runtime..
11023 2006-02-07 Dirk Mueller <dmueller@suse.com>
11026 * doc/invoke.texi (-Wsequence-point): Update documentation
11027 that -Wsequence-point is implemented for C++ as well.
11029 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11031 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
11032 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
11033 (LIB_SPEC): Likewise.
11034 * doc/invoke.texi (SPARC options): Document -pthread.
11036 2006-02-07 Geoffrey Keating <geoffk@apple.com>
11038 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
11041 2006-02-07 Roger Sayle <roger@eyesopen.com>
11043 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
11044 Correct comment describing BOOLEAN_TYPE.
11046 2006-02-07 Dirk Mueller <dmueller@suse.com>
11048 * c.opt: C++ frontend supports -Wdiv-by-zero.
11049 * c-opts.c (c_common_handle_option): Remove dead case.
11051 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11053 * configure.ac (TLS assembler check): Do not enable TLS by
11054 default on SPARC/Solaris before version 10.
11055 * configure: Regenerate.
11057 2006-02-07 David Edelsohn <edelsohn@gnu.org>
11059 * doc/invoke.texi (xl-compat): Document conversion and support
11062 2006-02-07 Jeff Law <law@redhat.com>
11064 * tree-vrp.c (find_conditional_asserts): Update comments.
11065 (simplify_stmt_for_jump_threading): New.
11066 (identify_jump_threads, finalize_jump_threads): New.
11067 (vrp_finalize): Call identify_jump_threads.
11068 (execute_vrp): Call finalize_jump_threads.
11069 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
11070 (vrp_element, vrp_data, vrp_element_p): Remove.
11071 (vrp_hash_elt, vrp_variables_stack): Remove.
11072 (vrp_hash, vrp_eq, record_range): Remove.
11073 (simplify_cond_and_lookup_avail_expr): Remove.
11074 (extract_range_from_cond): Remove.
11075 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
11076 (simplify_stmt_for_jump_threading): New.
11077 (dom_thread_across_edge): New wrapper.
11078 (tree_ssa_dominator_optimize): No longer initialize or
11079 finalize any of the VRP datastructures. Remove iteration
11080 step and simplify as a result of removal of iteration step.
11081 (pass_dominator): Perform a cfg cleanup after DOM.
11082 (dom_opt_finalize_block): Use the new common routines
11083 for threading jumps. Simplify stack management slightly.
11084 No longer need to unwind VRP state.
11085 (record_equivalences_from_incoming_edge): No longer record
11087 (eliminate_redundant_computations): No longer call
11088 simplify_cond_and_lookup_avail_expr.
11089 * tree-flow.h (potentially_threadable_block): Prototype.
11090 (thread_across_edge): Likewise.
11091 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
11092 (tree-ssa-threadedge.o): Add dependencies.
11093 * tree-ssa-threadedge.c: New file.
11094 * passes.c (init_optimization_passes): Merge PHIs before
11095 calling VRP. Run VRP again late in the SSA optimization pipeline.
11097 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11099 * df-core.c (df_set_blocks): Do not dereference function pointers.
11100 (df_finish1): Likewise.
11101 (df_hybrid_search_forward): Likewise.
11102 (df_hybrid_search_backward): Likewise.
11103 (df_iterative_dataflow): Likewise.
11104 (df_analyze_problem): Likewise.
11105 (df_compact_blocks): Likewise.
11106 (df_dump): Likewise.
11107 * df-scan.c (df_rescan_blocks): Likewise.
11108 (df_record_entry_block_defs): Likewise.
11110 * genconditions.c (write_conditions): Guard the definition of
11111 'insn_conditions' with the check on GCC version.
11112 (write_writer): Guard the traversal 'insn_conditions' with
11113 the check on GCC version.
11115 2006-02-07 Richard Guenther <rguenther@suse.de>
11119 2006-01-30 Richard Guenther <rguenther@suse.de>
11121 * gimplify.c (gimplify_target_expr): Handle easy cases
11122 without creating a temporary.
11124 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
11126 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
11127 use of float in probability computations. Use edge probabilities
11128 in place of statically computed probabilities.
11129 (min_spec_prob): New static variable.
11130 (schedule_insns): Initialize it.
11131 (GET_SRC_PROB): Removed.
11132 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
11134 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
11137 * config/ia64/unwind-ia64.c: Revert last change.
11138 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
11139 (INCOMING_FRAME_SP_OFFSET): Define.
11141 2006-02-06 Roger Sayle <roger@eyesopen.com>
11143 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
11145 2006-02-07 Ben Elliston <bje@au.ibm.com>
11147 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
11148 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
11149 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
11150 (ix86_return_in_memory): Handle TDmode.
11151 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
11152 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
11154 2006-02-06 Richard Sandiford <richard@codesourcery.com>
11156 * reorg.c (dbr_schedule): Use dump_file instead of file.
11158 2006-02-06 Steve Ellcey <sje@cup.hp.com>
11161 * config/ia64/predicates.md (extr_len_operand): New predicate.
11162 * config/ia64/ia64.md (extv): Tighten constraints.
11164 (*tbit_and_2): Ditto.
11165 (*tbit_and_3): Ditto.
11166 (*tbit_or_2): Ditto.
11167 (*tbit_or_3): Ditto.
11168 (*bit_zero): Ditto.
11171 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
11174 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
11176 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
11178 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
11179 loop_optimizer_init and loop_optimizer_finalize
11180 * tree-ssa-sink.c (execute_sink_code): Ditto.
11181 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11182 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
11183 tree_ssa_loop_done): Ditto.
11184 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
11185 * sched-ebb.c: Include output.h.
11186 (schedule_ebbs): Do not use dump argument.
11187 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
11188 * loop.c (loop_dump_stream): Removed.
11189 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
11191 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
11192 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
11193 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
11194 loop_iterations, strength_reduce, record_biv, record_giv,
11195 final_giv_value, check_final_value, check_ext_dependent_givs,
11196 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
11197 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
11198 dump_file instead of loop_dump_stream.
11199 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
11200 argument dump_file.
11201 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
11203 * flow.c (life_analysis, rest_of_handle_life): Ditto.
11204 * haifa-sched.c: Include output.h
11205 (schedule_insns, sched_init): Do not use dump argument.
11206 * mode-switching.c (optimize_mode_switching): Ditto.
11207 * modulo-sched.c (stats_file): Removed.
11208 (print_node_sched_params): Do not call argument dump_file.
11209 (sms_schedule_by_order, loop_canon_p, sms_schedule,
11210 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
11212 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
11214 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
11215 rtl_loop_init, rtl_loop_done): Ditto.
11216 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
11217 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
11219 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
11220 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
11221 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
11222 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
11223 * emit-rtl.c (renumber_insns): Ditto.
11224 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
11225 expand_gimple_basic_block, tree_expand_cfg): Ditto.
11226 * regclass.c (regclass): Ditto.
11227 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
11228 remove_ssa_form, rewrite_out_of_ssa): Ditto.
11229 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
11230 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
11232 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
11233 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
11235 * gcse.c (gcse_file, debug_stderr): Removed.
11236 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
11237 rest_of_handle_gcse): Do not use dump argument.
11238 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
11239 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
11240 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
11241 compute_code_hoist_vbeinout, compute_code_hoist_data,
11242 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
11243 compute_store_table, build_store_vectors, insert_insn_start_bb,
11244 insert_store, remove_reachable_equiv_notes, replace_store_insn,
11245 store_motion): Use dump_file instead of gcse_file.
11246 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
11247 * profile.c (profile_dump_file): Removed.
11248 (branch_prob): Use dump_file instead of profile_dump_file.
11249 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
11251 * tree-ssa-copy.c (dump_copy_of): Ditto.
11252 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
11253 dump file to life_analysis.
11254 * bt-load.c (branch_target_load_optimize): Ditto.
11255 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
11257 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
11258 regclass, dbr_schedule): Declaration changed.
11259 * sched-int.h (sched_init): Declaration changed.
11260 * tree-profile.c (tree_profile_dump_file): Removed.
11261 (tree_profile_hooks): Removed profile_dump_file hook.
11262 * rtl-profile (rtl_profile_dump_file): Removed.
11263 (rtl_profile_hooks): emoved profile_dump_file hook.
11264 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
11266 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
11267 * tree-cfg.c (build_tree_cfg): Ditto.
11268 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
11269 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
11270 Declaration changed.
11271 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
11272 life_analysis and schedule_insns.
11273 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
11275 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
11277 * config/mips/mips.c (mips_reorg): Ditto.
11278 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
11281 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
11283 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11284 (s390_mangle_fundamental_type): New.
11285 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11288 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11289 (alpha_mangle_fundamental_type): New.
11290 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11293 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11295 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11297 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11298 (sparc_mangle_fundamental_type): New.
11300 2006-02-06 Jakub Jelinek <jakub@redhat.com>
11302 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
11303 (s390x-*-linux*): Likewise.
11304 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
11305 * config/s390/t-linux: New file.
11307 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11309 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
11310 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
11312 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
11314 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
11315 (ANTIC_SAFE_LOADS): New macro.
11316 (find_or_generate_expression): Add prototype.
11317 (set_contains_value): Allow null set for sake of not always having
11318 to allocate ANTIC_SAFE_LOADS.
11319 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
11320 Allow COMPONENT_REF too.
11321 (valid_in_set): Allow COMPONENT_REF.
11322 Check ANTIC_SAFE_LOADS too.
11323 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
11324 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
11326 (can_PRE_operation): Add COMPONENT_REF.
11327 (create_component_ref_by_pieces): New function.
11328 (create_expression_by_pieces): Use create_component_ref_by_pieces.
11329 (insert_aux): Move AGGREGATE_TYPE_P check here.
11330 (compute_avail): Set bb local stmt uids.
11331 (pass_pre): Use TODO_update_ssa_only_virtuals.
11333 2006-02-06 Ben Elliston <bje@au.ibm.com>
11335 * configure.ac: Unconditionally disable decimal float by default.
11336 * configure: Regenerate.
11338 2006-02-06 Ben Elliston <bje@au.ibm.com>
11340 * read-rtl.c (read_name): Terminate reading on EOF.
11342 2006-02-06 Ben Elliston <bje@au.ibm.com>
11344 * dfp.c (decimal_real_arithmetic): Change second argument type
11345 from int to enum tree_code. Do not always return true, but now
11346 return result of any call to decimal_do helper functions.
11347 * dfp.h (decimal_real_arithmetic): Update prototype.
11349 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
11351 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
11353 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
11356 * tree-cfg.c (cleanup_dead_labels): Also don't remove
11359 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11361 * tree-vrp.c (cfg_loops): Removed.
11362 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
11363 Use current_loops instead of cfg_loops. Pass flags to
11364 loop_optimizer_init.
11365 * cfgloopmanip.c (fix_loop_structure): Update only available
11367 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
11368 loop_optimizer_init.
11369 * modulo-sched.c (build_loops_structure): Removed.
11370 (sms_schedule): Use loop_optimizer_init.
11371 * loop-init.c (loop_optimizer_init): Use flags to determine
11372 which properties of loops to prepare.
11373 (rtl_loop_init): Pass flags to loop_optimizer_init.
11374 * tree-ssa-sink.c (execute_sink_code): Ditto.
11375 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
11376 * tree-ssa-pre.c (init_pre): Ditto.
11377 * cfgloop.h (LOOPS_NORMAL): New.
11378 (loop_optimizer_init): Declaration changed.
11380 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11382 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
11383 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
11385 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
11387 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
11389 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
11390 * pa/t-pa64: Delete quadlib.c rule.
11391 * pa/x-ada: Revert last change.
11392 * pa/t-pa: Revert last change. Delete quadlib.c rule.
11394 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11396 PR rtl-optimization/26087
11397 * rtlanal.c (canonicalize_condition): Do not cross basic block
11400 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
11403 * config/ia64/ia64.c: Include debug.h.
11404 (MAX_ARTIFICIAL_LABEL_BYTES): New.
11405 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
11406 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
11407 (process_epilogue, process_set, process_for_unwind_directive):
11408 Output unwind info only if requested. Add CFA info if requested.
11409 Add new arguments as needed. Adjust callers.
11410 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
11412 (DWARF2_FRAME_INFO): Define to zero.
11413 * config/ia64/unwind-ia64.c: Remove code that compensated for
11414 the CFA offset error fixed above.
11415 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
11416 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
11417 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
11418 -funwind-tables and -fexceptions to enable frame info.
11419 (dwarf2out_frame_init): Define initial CFA even if
11420 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
11421 DWARF2_UNWIND_INFO is nonzero, not just defined.
11422 (dwarf2out_frame_finish): Output non-EH call frame info only
11423 if DWARF2_FRAME_INFO is nonzero.
11424 (convert_cfa_to_loc_list,
11425 compute_frame_pointer_to_cfa_displacement): Define even if
11426 unwind info is not supported.
11427 (gen_subprogram_die): Use the above unconditionally. Remove
11428 legacy alternate code.
11429 * toplev.c (compile_file): Compile in call to
11430 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
11431 (lang_dependent_init): Ditto for dwarf2out_frame_init.
11433 2006-02-04 David Edelsohn <edelsohn@gnu.org>
11434 Jakub Jelinek <jakub@redhat.com>
11436 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
11437 IBM extended float format long double as "g" on powerpc*-linux.
11439 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11442 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
11443 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
11445 2006-02-03 Jason Merrill <jason@redhat.com>
11448 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
11450 PR middle-end/25977
11451 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
11452 on the return slot if it's an NRV.
11454 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
11456 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
11457 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
11458 rewrite_use): Do not handle USE_OUTER.
11459 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
11460 add_iv_outer_candidates, may_replace_final_value,
11461 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
11462 (find_interesting_uses_op): Functionality of
11463 find_interesting_uses_outer_or_nonlin moved here.
11464 (find_interesting_uses_outside): Use find_interesting_uses_op.
11466 2006-02-03 Alan Modra <amodra@bigpond.net.au>
11469 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
11471 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
11472 Ulrich Weigand <uweigand@de.ibm.com>
11475 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
11476 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
11477 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
11478 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
11480 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
11481 (s390_rtx_costs): Use the new fields to calculate rtx costs.
11482 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
11483 Define secondary reloads for TFmode moves.
11484 (constant_modes): Add TFmode.
11485 (NR_C_MODES): Set to 8.
11486 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
11488 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
11489 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
11490 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
11491 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
11492 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
11493 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
11494 (FPR mode macro): Add TFmode.
11495 (DSF mode macro): New.
11496 (<de>, <dee> mode attributes): Removed.
11497 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
11498 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
11499 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
11500 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
11501 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
11502 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
11503 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
11504 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
11505 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
11506 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
11507 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
11508 "*negabs<mode>2", "sqrt<mode>2"):
11509 Changed <de> to <xde>. R constraint replaced by <Rf>.
11510 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
11512 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
11513 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
11514 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
11516 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
11517 "extenddftf2", "extendsftf2"): New expanders.
11518 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
11519 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
11520 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
11521 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
11523 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
11524 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
11525 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
11526 __floatditf): Add a GCC_4.1.0 symbol version tag.
11527 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
11530 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
11533 * config/i386/i386.c (ix86_function_ok_for_sibcall):
11534 Use targetm.binds_local_p instead of TREE_PUBLIC.
11536 2006-02-02 Roger Sayle <roger@eyesopen.com>
11538 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
11539 on INTEGER_TYPEs to indicate that it denotes a character type.
11540 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
11541 signed_char_type_node, unsigned_char_type_node and char_type_node.
11542 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
11543 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
11544 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
11546 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
11547 Daniel Berlin <dberlin@dberlin.org>
11549 * tree-tailcall.c (arg_needs_copy_p): New function.
11550 (eliminate_tail_call): Use arg_needs_copy_p.
11551 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
11552 (add_virtual_phis): New function.
11554 2006-02-02 Jakub Jelinek <jakub@redhat.com>
11556 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
11557 #ignore instead of #scratch for %g7 .register directive.
11559 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
11561 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
11564 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11566 * flow.c (calculate_global_regs_live): Assert that there aren't any
11569 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
11571 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
11572 what its name says.
11573 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
11574 bsi_after_labels iterator.
11575 * tree-if-conv.c (find_phi_replacement_condition,
11576 replace_phi_with_cond_modify_expr): Likewise.
11577 * tree-scalar-evolution.c (scev_const_prop): Likewise.
11578 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
11580 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11582 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
11584 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11587 * tree-cfg.c (move_block_to_fn): Clear out the basic block
11588 array after growing it.
11590 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11592 PR middle-end/24901
11593 * fold-const.c (fold_checksum_tree): Change type of buf.
11595 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
11597 * reload.c (push_secondary_reload): Initialize t_icode.
11599 2006-02-01 Jakub Jelinek <jakub@redhat.com>
11601 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
11602 -msoft-float -mlong-double-128 only issue a warning, but don't
11603 swich to DFmode long double.
11605 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
11607 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
11608 has a constant equivalent, iterate over equivalents for arg0,
11609 calling simplify_relational_operation and if there's a result
11610 cheaper than X, apply fold_rtx and return the result.
11612 2006-02-01 Jan Hubicka <jh@suse.cz>
11614 * opts.c (no_unit_at_a_time_default): New global variable.
11615 (decode_options): Use it.
11616 * opts.h (no_unit_at_a_time_default): Declare.
11618 2006-02-01 Paul Brook <paul@codesourcery.com>
11620 * function.c (assign_parm_setup_reg): Use function argument promotion
11622 * expr.c (expand_expr_real_1): Use function argument promotion rules
11625 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11627 * gcc.c (process_command): Change j to 'unsigned int'.
11629 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11631 PR middle-end/26001
11632 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
11633 Use the corrected index for the character
11634 out of the string constant.
11636 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11638 * mode-switching.c (optimize_mode_switching): Fix size
11639 allocated for bb_info[n_entities].
11641 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11643 * gcc.c (main): Correct type that is allocated for
11644 explicit_link_files.
11646 2006-01-31 Jakub Jelinek <jakub@redhat.com>
11648 * config/s390/s390.c (init_alignment_context): Set
11649 ALIAS_SET_MEMORY_BARRIER on the MEM.
11650 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
11652 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
11654 PR middle-end/25933
11655 * loop-unroll.c (unroll_loop_runtime_iterations): Free
11657 * tree-ssa-live.c (type_var_init): Allocate bitmap after
11660 2006-01-31 Marcin Dalecki <martin@dalecki.de>
11662 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
11663 * regrename.c: Ditto.
11664 * tree-ssa-loop-im.c: Ditto.
11665 * tree-dump.c: Ditto.
11666 * tree-complex.c: Ditto.
11667 * genrecog.c: Ditto.
11668 * tree-ssa-threadupdate.c: Ditto.
11670 * java/class.c: Ditto.
11671 * java/jcf-parse.c: Ditto.
11672 * java/resource.c: Ditto.
11673 * java/except.c: Ditto.
11674 * java/jvspec.c: Ditto.
11675 * java/jcf-write.c: Ditto.
11676 * java/jcf-path.c: Ditto.
11677 * java/gjavah.c: Ditto.
11678 * java/zextract.c: Ditto.
11679 * java/jcf-io.c: Ditto.
11680 * java/jcf.h: Ditto.
11681 * java/buffer.c: Ditto.
11682 * java/lang.c: Ditto.
11683 * java/parse-scan.y: Ditto.
11684 * java/lex.c: Ditto.
11685 * java/lex.h: Ditto.
11686 * cfgloopmanip.c: Ditto.
11687 * postreload-gcse.c: Ditto.
11688 * tree-ssa-loop-manip.c: Ditto.
11689 * postreload.c: Ditto.
11690 * tree-ssa-loop-ch.c: Ditto.
11693 * cppspec.c: Ditto.
11694 * diagnostic.c: Ditto.
11696 * genoutput.c: Ditto.
11698 * cfghooks.c: Ditto.
11699 * cfgloopanal.c: Ditto.
11700 * objc/objc-act.c: Ditto.
11702 * genextract.c: Ditto.
11703 * genautomata.c: Ditto.
11704 * pretty-print.c: Ditto.
11705 * genemit.c: Ditto.
11706 * cgraphunit.c: Ditto.
11708 * df-scan.c: Ditto.
11709 * haifa-sched.c: Ditto.
11710 * dominance.c: Ditto.
11712 * tree-ssa-loop-ivopts.c: Ditto.
11713 * df-core.c: Ditto.
11714 * mode-switching.c: Ditto.
11715 * modulo-sched.c: Ditto.
11717 * ipa-pure-const.c: Ditto.
11719 * fix-header.c: Ditto.
11721 * tree-stdarg.c: Ditto.
11722 * ipa-utils.c: Ditto.
11723 * loop-init.c: Ditto.
11724 * ipa-inline.c: Ditto.
11725 * cfganal.c: Ditto.
11727 * alloc-pool.c: Ditto.
11728 * dwarf2out.c: Ditto.
11730 * genattrtab.c: Ditto.
11731 * tree-ssa-loop-ivcanon.c: Ditto.
11732 * predict.c: Ditto.
11733 * timevar.c: Ditto.
11735 * fortran/gfortranspec.c: Ditto.
11736 * regmove.c: Ditto.
11737 * local-alloc.c: Ditto.
11738 * langhooks.c: Ditto.
11739 * function.c: Ditto.
11740 * tree-vectorizer.c: Ditto.
11742 * ipa-type-escape.c: Ditto.
11744 * tree-if-conv.c: Ditto.
11745 * profile.c: Ditto.
11747 * tree-data-ref.c: Ditto.
11748 * loop-unroll.c: Ditto.
11749 * treelang/treetree.c: Ditto.
11751 * bt-load.c: Ditto.
11752 * ggc-common.c: Ditto.
11754 * coverage.c: Ditto.
11756 * tree-cfgcleanup.c: Ditto.
11757 * tree-ssa-pre.c: Ditto.
11758 * cfgcleanup.c: Ditto.
11759 * loop-invariant.c: Ditto.
11760 * loop-iv.c: Ditto.
11761 * ipa-prop.c: Ditto.
11762 * print-tree.c: Ditto.
11763 * conflict.c: Ditto.
11764 * ggc-page.c: Ditto.
11765 * sched-deps.c: Ditto.
11766 * regclass.c: Ditto.
11767 * tree-object-size.c: Ditto.
11768 * combine.c: Ditto.
11769 * bb-reorder.c: Ditto.
11770 * resource.c: Ditto.
11771 * var-tracking.c: Ditto.
11772 * cfgloop.c: Ditto.
11773 * df-problems.c: Ditto.
11774 * reg-stack.c: Ditto.
11776 * gccspec.c: Ditto.
11777 * sched-rgn.c: Ditto.
11778 * tree-ssa-structalias.c: Ditto.
11779 * tree-ssa-reassoc.c: Ditto.
11780 * config/darwin-c.c: Ditto.
11781 * config/darwin.c: Ditto.
11782 * config/arm/arm.c: Ditto.
11784 * collect2.c: Ditto.
11785 * reload1.c: Ditto.
11787 2006-01-31 Nicolas Pitre <nico@cam.org>
11789 * arm.md (smaxsi3): Make aware of smax_m1.
11792 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
11794 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
11796 2006-01-31 Richard Guenther <rguenther@suse.de>
11798 * doc/invoke.texi (-msselibm): Document.
11799 * target.h (expand_library_builtin): New target hook.
11800 * builtins.c (expand_builtin): Use expand_library_builtin.
11801 (default_expand_library_builtin): New function.
11802 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11803 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11804 (link_gcc_math_spec): Declare.
11805 (static_specs): Add link_gcc_math_spec.
11806 * expr.h (default_expand_library_builtin): Declare.
11807 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11808 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11809 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11810 * config/i386/i386.opt (msselibm): New target option.
11811 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11812 (ix86_init_sse_abi_builtins): New function.
11813 (ix86_expand_library_builtin): Likewise.
11814 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11815 (override_options): Handle error conditions wrt -msselibm.
11816 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11817 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11818 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11821 2006-01-31 Richard Guenther <rguenther@suse.de>
11822 Paolo Bonzini <bonzini@gnu.org>
11824 * doc/install.texi (--disable-libgcc-math): Document.
11826 2006-01-30 Marcin Dalecki <martin@dalecki.de>
11828 * expr.h (expand_normal): new inline function.
11829 * builtins.c: use it, use EXPAND_NORMAL explicitely.
11830 * dojump.c: use it.
11831 * dwarf2out.c: use it.
11834 * expmed.c: use it.
11835 * except.c: use it.
11836 * config/sparc/sparc.c: use it.
11837 * config/i386/i386.c: use it.
11838 * config/rs6000/rs6000.c: use it.
11839 * config/arm/arm.c: use it.
11840 * config/mips/mips.c: use it.
11841 * stmt.c: use it, use EXPAND_NORMAL explicitely.
11843 2006-01-30 Roger Sayle <roger@eyesopen.com>
11845 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
11846 argv to the appropriate type.
11848 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
11850 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
11853 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
11856 * config/s390/s390.c (struct machine_function): New flag
11857 decomposed_literal_pool_addresses_ok_p.
11858 (s390_reorg): Set it before final stage of literal pool transforms.
11859 (s390_decompose_address): Only accept displacements of the form
11860 (minus (label_ref ...) (label_ref ...)) if that flag is set.
11862 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
11864 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
11865 the comparison routine return.
11867 2006-01-30 Michael Matz <matz@suse.de>
11869 * global.c (find_reg): Only evict for global regs.
11870 Take n_refs into account and dump more info.
11872 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
11875 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
11876 (pragma_trap, pragma_nosave_low_regs): Likewise.
11877 (current_function_anonymous_args): Likewise.
11878 (sh_deferred_function_attributes): New variable.
11879 (sh_deferred_function_attributes_tail): Likewise.
11880 (print_operand): For '@', look up trap_exit attribute.
11881 (calc_live_regs): Look up trapa_handler attribute. For trapa
11882 handlers, save/restore fpscr, but don't do any other
11883 interrupt-specific saves.
11884 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
11885 Fix check for partially saved registers to check for SHmedia.
11886 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
11887 (sh_output_function_epilogue): Don't clear any of the removed
11889 (sh_insert_attributes): Don't check pragma_interrupt.
11890 Insert deferred attributes. Check that interrupt attribute is
11891 present for other attributes that require its presence.
11892 (sh_attribute_table): Add new attributes trapa_handler and
11894 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
11895 Don't check for pragma_interrupt. Don't store argument.
11896 * sh.h (pragma_interrupt, sp_switch): Don't declare.
11897 (sh_deferred_function_attributes): Declare.
11898 (sh_deferred_function_attributes_tail): Likewise.
11899 * sh.md (sp_switch_1): Add operand. Change generator caller.
11900 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
11901 (*return_i): Don't use when trap_exit attribute is in effect.
11902 (*return_trapa): New insn pattern.
11903 * sh-c.c: New file.
11904 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
11905 setting c_target_objs and cxx_target_objs.
11906 * t-sh: Add rule for sh-c.o.
11908 2006-01-30 Richard Guenther <rguenther@suse.de>
11911 * gimplify.c (gimplify_target_expr): Handle easy cases
11912 without creating a temporary.
11914 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
11916 * vec.h (safe_grow): Remove duplicated line.
11918 2006-01-29 Diego Novillo <dnovillo@redhat.com>
11921 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
11922 (expand_omp): ... here.
11923 (expand_omp_parallel): Only remove barriers for combined
11924 parallel+workshare constructs.
11926 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
11930 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
11931 * tree.c (build_qualified_type): Chain the new type to the original
11932 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
11933 a POINTER_TYPE or a REFERENCE_TYPE respectively.
11934 (build_pointer_type_for_mode): Only return unqualified types.
11935 (build_reference_type_for_mode): Likewise.
11937 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
11939 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
11940 * Makefile.in (CXX_COMPAT_WARN): Define.
11941 * configure: Regenerate.
11943 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
11946 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
11949 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11951 * toplev.c: Fix thinko.
11953 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11954 Marcin Dalecki <martin@dalecki.de>
11956 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
11957 (push_srcloc): Use XNEW.
11958 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
11960 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
11962 * df-core.c (df_set_blocks): Deleted all variable.
11964 2006-01-28 Ian Lance Taylor <ian@airs.com>
11966 * cgraphunit.c (cgraph_assemble_pending_functions): Call
11967 cgraph_output_pending_asms.
11969 2006-01-28 Zack Weinberg <zackw@panix.com>
11971 * c.opt: Add -W(no-)overlength-strings.
11972 * doc/invoke.texi: Document it.
11973 * c-opts.c (c_common_handle_option): -pedantic implies
11974 -Woverlength-strings, if not explicitly disabled already.
11975 (c_common_post_options): -Woverlength-strings defaults to off, and
11976 is always off for C++.
11977 * c-common.c (fix_string_type): Issue warning about strings longer
11978 than is portable only if warn_overlength_strings. Rearrange code
11979 a little for clarity.
11980 * configure.in: Check for -Wno-overlength-strings as well before
11981 enabling -pedantic in stage 1.
11982 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
11983 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
11985 * genconditions.c (write_header, write_one_condition)
11986 (write_conditions, write_writer): Consolidate very long strings
11987 that were broken up to fit in C89 portable limit. Don't use
11988 printf when fputs will do.
11990 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
11992 * combine.c (simplify_comparison <AND>): Check
11993 TRULY_NOOP_TRUNCATION before start using a subreg.
11995 * config/mips/mips.md (*branch_zero<mode>,
11996 *branch_zero<mode>_inverted, *branch_equality<mode>,
11997 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
11998 Remove mode check from comparisons.
12000 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
12002 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
12004 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12006 * expmed.c (const_mult_add_overflow_p): Remove.
12007 * expr.h: Remove the prototype for const_mult_add_overflow_p.
12009 * recog.c (validate_replace_rtx_subexp): Remove.
12010 * recog.h: Remove the prototype for
12011 validate_replace_rtx_subexp.
12013 * integrate.h: Remove the prototype for
12014 copy_decl_for_inlining.
12015 * rtl.h: Remove the prototype for mark_constant_function.
12016 * tree-vectorizer.h: Remove the prototype for
12017 vect_strip_conversion.
12019 * modulo-sched.c (create_partial_schedule,
12020 free_partial_schedule, reset_partial_schedule): Make them
12023 * hooks.c (hook_bool_rtx_int_false): Remove.
12024 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
12026 2006-01-28 David Edelsohn <edelsohn@gnu.org>
12028 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12029 and -mlong-double-128 are incompatible.
12030 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
12031 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
12032 (TARGET_LIBGCC2_CFLAGS): Define.
12033 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
12034 (TARGET_LIBGCC2_CFLAGS): Same.
12035 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
12037 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12040 * c-typeck.c (build_binary_op): Perform implicit casts of
12041 operands before shortening them.
12043 * cfgloopmanip.c (split_loop_bb): Remove.
12044 * cfgloop.h: Remove the prototype for split_loop_bb.
12046 * cfgloop.c (flow_loop_outside_edge_p): Remove.
12047 * cfgloop.h: Remove the prototype for
12048 flow_loop_outside_edge_p.
12050 * emit-rtl.c (init_virtual_regs): Make it static.
12051 * function.h: Remove the prototype for init_virtual_regs.
12053 * recog.c (peephole2_optimize): Make it static.
12054 * recog.h: Remove the prototype for peephole2_optimize.
12056 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12058 * df-scan.c (df_record_entry_block_defs): Check if
12059 INCOMING_RETURN_ADDR_RTX is defined.
12061 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
12062 Kenneth Zadeck <zadeck@naturalbridge.com>
12064 PR rtl-optimization/24762
12065 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12066 * targhooks.c (hook_void_bitmap): New hook prototype.
12067 * targhoohs.h (hook_void_bitmap): Ditto.
12068 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
12069 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
12070 * target.h (live_on_entry): New function pointer.
12071 * df-scan.c (df_all_hard_regs): Removed.
12072 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
12073 (df_scan_free_internal): Added df->entry_block_defs.
12074 (df_scan_alloc): Ditto.
12075 (df_scan_dump): Ditto.
12076 (df_uses_record): Plumbed flag field properly thru calls.
12077 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
12078 This part fixes PR24762.
12079 (df_bb_refs_record): Added code to make the frame and arg
12080 pointers live in EH blocks.
12081 (df_refs_record): Added call to df_record_entry_block_defs.
12082 (df_record_entry_block_defs): New function.
12083 * df-core.c: Added comments to describe new artifical defs.
12084 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
12085 (entry_block_defs): New field in struct df.
12086 (df_all_hard_regs): Deleted.
12087 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12088 * df-problems.c (df_ru_bb_local_compute_process_def):
12089 Added code to handle artifical defs in the entry to a function.
12090 (df_ru_bb_local_compute): Ditto.
12091 (df_rd_bb_local_compute_process_def): Ditto.
12092 (df_rd_bb_local_compute): Ditto.
12093 (df_lr_bb_local_compute): Ditto.
12094 (df_ur_bb_local_compute): Ditto.
12095 (df_urec_bb_local_compute): Ditto.
12096 (df_chain_create_bb): Ditto.
12097 (df_ur_local_finalize): Removed entry.
12098 (df_urec_init): Ditto.
12099 (df_urec_local_finalize): Ditto.
12100 (df_ri_bb_compute): Added detection of last use of pseudos.
12101 * Makefile.in (df-scan.o): Updated dependencies.
12102 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
12103 * config/mips/mips.c (mips_set_live_on_entry): Added.
12104 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
12106 * dce.c (marked_insn_p): Added code to handle artifical defs.
12108 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12110 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
12112 (_mm_cvtsi128_si64): Likewise.
12113 (_mm_cvtsd_si64): Likewise.
12114 (_mm_cvttsd_si64): Likewise.
12115 (_mm_cvtsi64_sd): Likewise.
12116 (_mm_cvtsi64_si128): Likewise.
12117 * config/i386/mmintrin.h (_m_from_int64): Likewise.
12118 (_mm_cvtsi64_m64): Likewise.
12119 (_m_to_int64): Likewise.
12120 (_mm_cvtm64_si64): Likewise.
12121 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
12122 (_mm_cvttss_si64): Likewise.
12123 (_mm_cvtsi64_ss): Likewise.
12124 (_mm_cvtss_f32): Likewise.
12126 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
12128 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
12129 for pragma redefine_extname.
12131 2006-01-27 Jakub Jelinek <jakub@redhat.com>
12134 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
12135 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
12136 -mno-minimal-toc to previous content.
12137 (bispecs): Remove goal.
12138 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
12139 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
12140 compatibility aliases on powerpc-*-*gnu*.
12141 * config/rs6000/libgcc-ppc-glibc.ver: New file.
12142 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
12143 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
12144 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
12145 (ldblspecs): New goal.
12146 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
12147 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
12149 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
12150 L_sf_to_tf or L_df_to_tf is defined.
12152 2006-01-27 David Edelsohn <edelsohn@gnu.org>
12153 Alan Modra <amodra@bigpond.net.au>
12156 * config/rs6000/linux.h (POWERPC_LINUX): Define.
12157 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
12158 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
12159 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
12160 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
12161 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
12162 (rs6000_override_options): Initialize rs6000_ieeequad.
12163 Initialize TFmode format to ibm_extended_format if not
12165 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
12167 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
12168 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
12169 (function_arg_advance): IBM long double passed in two FPRs, not
12171 (function_arg): IBM long double passed in FPRs.
12172 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
12173 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
12174 Only multireg GPR aligned.
12175 (rs6000_init_libfuncs): Enable IBM long double functions if not
12177 (rs6000_generate_compare): Use IBM long double compare if not
12179 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
12180 (TARGET_IEEEQUAD): Define.
12181 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
12182 not TARGET_IEEEQUAD.
12183 * config/rs6000/rs6000.md: Enable TFmode patterns if
12185 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
12186 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12187 and -mlong-double-128 are incompatible.
12188 * doc/invoke.texi (-mabi): Collect options together. Add
12189 ibmlongdouble and ieeelongdouble.
12191 2006-01-27 Richard Sandiford <richard@codesourcery.com>
12193 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
12195 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
12196 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
12197 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
12198 * rtl.h (rtunion_def): Remove rt_ptr.
12200 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
12201 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
12202 * config/i386/winnt.c (i386_pe_mark_dllexport)
12203 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
12205 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
12207 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
12209 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12213 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
12214 pthread_key_delete. From John David Anglin. gthrw-ify
12215 pthread_getunique_np only if it it's not a macro. Delete
12217 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
12218 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
12219 __gthread_objc_condition_signal, __gthread_key_delete): Add
12220 "__attribute__ ((__unused__))" to unused arguments.
12221 (__gthread_recursive_mutex_init_function): Add missing return.
12222 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
12223 gthr-posix95.h: Use macro-based approach for name redirection
12224 on targets missing weakref.
12226 2006-01-26 Zack Weinberg <zackw@panix.com>
12228 * genconditions.c (write_header): In generated code, #ifdef out
12229 all includes and fake declarations, except includes of bconfig.h
12230 and system.h, unless GCC_VERSION >= 3001. Do not include
12231 gensupport.h in any case.
12232 (write_conditions): Generate a definition of struct c_test. Add
12233 a comment to the generated #endif.
12234 (write_one_condition): Escape backslashes in string too.
12235 (write_writer): Generated code must escape backslashes and quote
12236 marks (but not newlines) in the strings it writes.
12237 * Makefile.in (build/gencondmd.o): Update dependencies.
12239 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12242 * Makefile.in (insn-automata.o): Add header file dependencies.
12243 * genautomata.c: Add includes.
12245 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12248 * Makefile.in (insn-automata.o): Add -Wno-error flag.
12250 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12252 * configure.ac: Expect target tools paths to be passed from the toplevel
12253 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
12255 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
12257 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12260 * c.opt (Wpointer-sign): Init to -1.
12261 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
12262 OPT_pedantic, to 0 otherwise.
12263 * doc/invoke.texi: Update.
12265 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12267 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
12268 constants provided by 80387 instructions in the destination mode.
12270 2006-01-26 Richard Guenther <rguenther@suse.de>
12271 Andrew Pinski <pinskia@physics.uc.edu>
12274 partial PR tree-opt/17064
12275 * tree-ssa-structalias.c (intra_create_variable_infos):
12276 Create heap variables for incoming parameters if
12277 flag_argument_noalias > 1.
12278 (find_what_p_points_to): Look through default defs of
12281 2006-01-26 Jeff Law <law@redhat.com>
12284 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
12285 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
12286 within the VR_RANGE, use the VR_RANGE as the result, not the
12288 (adjust_range_with_scev): Reject ranges from SCEV which are out of
12289 bounds for the type.
12291 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
12293 * tree-ssa-alias.c (maybe_create_global_var): Change
12294 subvar walking to an assertion that we don't have subvar'd variables.
12296 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
12299 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
12300 Use a new variable, inner. PARM_DECLs are always non-weak.
12302 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
12304 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
12305 --disable-checking.
12307 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
12309 * config/mips/mips.md (*clear_upper32): New combiner pattern.
12311 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
12313 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
12314 (smax_insn, smin_insn, smax_0, smin_0): New.
12316 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
12319 * config/cris/cris.c (cris_order_for_addsi3): New function.
12320 * config/cris/cris-protos.h: Prototype it.
12321 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
12322 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
12323 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
12324 (split for "op.S1 [rx=rx+i],ry (swapped)")
12325 (split for "op(s|u).S1 [rx=rx+i],ry")
12326 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
12327 Apply cris_order_for_addsi3 when generating addsi3 insns.
12329 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12331 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
12332 (TREE_BLOCK): Add call to EXPR_CHECK.
12334 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12337 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
12338 * tree-pretty-print.c (dump_omp_clause): Extract from ...
12339 (dump_omp_clauses): ... here.
12340 (dump_generic_node): Handle OMP_CLAUSE.
12341 * tree.c (omp_clause_num_ops): New.
12342 (omp_clause_code_name): New.
12343 (tree_code_size): Handle OMP_CLAUSE.
12344 (tree_size): Likewise.
12345 (make_node): Document handling of OMP_CLAUSE.
12346 (tree_node_structure): Handle OMP_CLAUSE.
12347 (omp_clause_check_failed): New.
12348 (omp_clause_range_check_failed): New.
12349 (omp_clause_operand_check_failed): New.
12350 (build_omp_clause): New.
12351 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
12352 * tree.h (enum omp_clause_code): Declare.
12353 (OMP_CLAUSE_SUBCODE_CHECK): Define.
12354 (OMP_CLAUSE_RANGE_CHECK): Define.
12355 (OMP_CLAUSE_ELT_CHECK): Define.
12356 (omp_clause_check_failed): Declare.
12357 (omp_clause_operand_check_failed): Declare.
12358 (omp_clause_range_check_failed): Declare.
12359 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
12360 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
12361 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
12362 (OMP_CLAUSE_LASTPRIVATE): Likewise.
12363 (OMP_CLAUSE_IF_EXPR): Likewise.
12364 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
12365 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
12366 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
12367 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
12368 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
12369 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
12370 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
12371 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
12372 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
12373 (OMP_CLAUSE_CODE): Define.
12374 (OMP_CLAUSE_SET_CODE): Define.
12375 (OMP_CLAUSE_CODE): Define.
12376 (OMP_CLAUSE_OPERAND): Define.
12377 (struct tree_omp_clause): Declare.
12378 (union tree_node): Add field 'omp_clause'.
12379 * treestruct.def (TS_OMP_CLAUSE): Define.
12380 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
12381 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
12382 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
12383 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
12384 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
12385 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
12386 (OMP_CLAUSE): Define.
12387 * print-tree.c (print_node): Handle OMP_CLAUSE.
12388 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
12389 * c-typeck.c: Likewise.
12390 * gimplify.c: Likewise.
12391 * c-omp.c: Likewise.
12392 * tree-nested.c: Likewise.
12393 * tree-inline.c: Likewise.
12394 * c-parser.c: Likewise.
12395 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
12398 2006-01-25 Roger Sayle <roger@eyesopen.com>
12400 PR rtl-optimization/25703
12401 * combine.c (try_combine): Handle zero_extract and strict_low_part
12402 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
12404 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
12406 * global.c: Fix comment typos.
12408 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
12411 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
12412 Use output_addr_const instead of assemble_name.
12414 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
12416 * Makefile.in (sched-vis.o): Update dependencies.
12417 * haifa-sched.c (sched_finish): Clear current_sched_info.
12418 * cfg.c (dump_bb_info): New, split from dump_flow_info.
12419 (dump_flow_info): Call it.
12420 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
12422 * basic-block.h (dump_bb_info): Declare.
12423 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
12424 option, and apply options only for dump files whose TDF_RTL,
12425 TDF_TREE, or TDF_IPA bits match.
12426 * rtl.h: Declare new functions exported from sched-vis.c.
12427 * sched-vis.c: Enable also if scheduling is not used.
12428 (print_value): Print the mode of registers if not inside scheduling.
12429 (print_insn): Make it work outside the scheduler. Beautify the output
12431 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
12433 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12435 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
12436 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
12437 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
12438 depending on the value of CONSTANT_POOL_ADDRESS_P.
12439 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
12441 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
12442 rather than SYMBOL_REF_DECL.
12443 (rtx_constant_pool): Remove const_rtx_sym_htab.
12444 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
12445 (init_varasm_status): Don't initialize const_rtx_sym_htab.
12446 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
12447 Remove handling of const_rtx_sym_htab.
12448 (find_pool_constant): Delete.
12449 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
12450 rather than find_pool_constant.
12451 (get_pool_constant_for_function): Delete.
12452 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
12453 find_pool_constant.
12454 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
12455 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
12456 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
12457 (SYMBOL_REF_CONSTANT): New macro.
12458 (get_pool_constant_for_function): Delete.
12459 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
12460 rather than SYMBOL_REF_DECL.
12461 (i386_pe_mark_dllimport): Likewise.
12462 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
12463 rather than SYMBOL_REF_DECL.
12464 * config/darwin.c (machopic_indirect_data_reference): Likewise.
12465 (machopic_indirect_call_target): Likewise.
12467 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
12469 * flow.c (delete_noop_moves): Add missing EOL to dump message.
12471 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12473 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
12475 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
12477 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
12479 2006-01-24 David Daney <ddaney@avtrex.com>
12482 * configure.ac (enable_tls): New enable option.
12483 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
12484 * configure: Regenerate.
12485 * doc/install.texi (--enable-tls): Document new option.
12486 (--disable-tls): Ditto.
12488 2006-01-24 Richard Henderson <rth@redehat.com>
12490 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
12491 * alias.c (true_dependence): Respect it.
12492 (canon_true_dependence, write_dependence_p): Likewise.
12493 * builtins.c (get_builtin_sync_mem): Set it.
12495 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
12497 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
12500 2006-01-24 DJ Delorie <dj@redhat.com>
12502 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
12503 for storing constants in single-bit bitfields.
12505 2006-01-25 Ben Elliston <bje@au.ibm.com>
12507 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
12509 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
12512 * tree-ssa-pre.c (phi_translate): Return NULL
12513 for AGGREGATE_TYPE's.
12515 2006-01-24 Zack Weinberg <zackw@panix.com>
12517 * genautomata.c (process_state_for_insn_equiv_partition):
12518 Use xcalloc for insn_arcs_array.
12519 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
12520 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
12522 2006-01-24 Richard Henderson <rth@redhat.com>
12524 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
12525 update all callers.
12527 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
12529 PR rtl-optimization/25890
12530 PR rtl-optimization/25905
12531 * combine.c (expand_compound_operation, expand_field_assignment):
12532 Fail if the bitfield's final position is out of bounds.
12534 2006-01-24 Ian Lance Taylor <ian@airs.com>
12536 PR middle-end/25930
12537 * cgraphunit.c (cgraph_output_in_order): Don't clear
12538 cgraph_asm_nodes until after asm strings have been output.
12540 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
12542 * fix-header.c (read_scan_file): Add new parameter imultilib when
12543 calling register_include_chains.
12545 2006-01-23 Diego Novillo <dnovillo@redhat.com>
12547 * omp-low.c: Update documentation.
12549 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12550 Daniel Berlin <dberlin@dberlin.org>
12554 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
12555 return from the function.
12557 2006-01-22 Zack Weinberg <zackw@panix.com>
12559 * rtl.def (match_code): Add second argument.
12560 * genpreds.c (write_extract_subexp): New function.
12561 (write_match_code): Add path argument. Use write_extract_subexp.
12562 (write_predicate_expr): Pass path to write_match_code.
12563 (mark_mode_tests): MATCH_CODE applied to a subexpression does
12564 not perform a mode test.
12565 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
12566 a subexpression does not constrain the top-level code set.
12567 * read-rtl.c (read_rtx_variadic): New function.
12568 (read_rtx_1): Use it; allow AND and IOR to be variadic.
12569 * doc/md.texi: Document new notation.
12570 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
12571 (cmpsi_operand): ... here, using new notation.
12573 2006-01-22 Zack Weinberg <zackw@panix.com>
12575 * varray.c: Remove GENERATOR_FILE #ifdefs.
12577 2006-01-22 Zack Weinberg <zackw@panix.com>
12579 * genautomata.c (output_reserved_units_table): Emit nothing if
12580 description->query_units_num is zero. Remove extra blank line.
12581 (output_cpu_unit_reservation_p): Short circuit
12582 if description->query_units_num is zero.
12584 2006-01-22 Zack Weinberg <zackw@panix.com>
12586 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
12587 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
12588 nor any of the random handful of variables that used to be necessary
12589 when this program was linked with rtlanal.o. Prune set of forward
12590 function declarations.
12591 (struct attr_desc): Remove static_p field.
12592 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
12593 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
12594 (attr_string): Do not read the character one past the length of
12596 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
12597 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
12598 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
12599 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
12600 (make_automaton_attrs): New.
12601 (main): Do not call into genautomata. Call local gen_bypass
12602 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
12603 Remove special case for insn_alts.
12604 * genautomata.c: Include gensupport.h; not genattrtab.h nor
12605 varray.h (leftover from previous change). Prune set of forward
12606 function declarations. Remove state_alts fields from all
12607 structures. Remove state_alts_table from struct automaton.
12608 Make everything except main static. Do not maintain num_dfa_decls.
12609 Do not maintain state_alts fields of various structures.
12610 (process_decls): Don't validate condexp for dm_insn_reserv decls.
12611 (add_arc): Remove state_alts argument. All callers updated.
12612 (output_reserved_units_table): Emit #ifdef here...
12613 (output_tables): ...not here. Don't generate state_alts tables.
12614 (expand_automata): Don't generate attributes.
12615 (write_automata): Don't generate state_alts functions.
12616 (main): New function.
12617 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
12618 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
12619 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
12620 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
12621 (BYPASS_P_FUNC_NAME, output_state_alts_table)
12622 (output_automata_list_state_alts_code, output_internal_state_alts_func)
12623 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
12624 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
12626 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
12627 * genattrtab.h: Delete file.
12628 * Makefile.in (OBJS-common): Add insn-automata.o.
12629 (insn-automata.o): New rule.
12630 (simple_generated_c): Add insn-automata.c.
12631 (build/genattrtab.o, build/genautomata.o): Update dependencies.
12632 (genprogmd): Add automata.
12633 (build/genattrtab): Needs no extra objects nor libraries.
12634 (build/genautomata): Needs build/vec.o and -lm.
12636 2006-01-22 Zack Weinberg <zackw@panix.com>
12638 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
12639 (output_dfa_max_issue_rate, locked_states_num): Delete.
12640 (struct automaton): Add locked_states field.
12641 (output_dead_lock_vect): Save number of locked states in
12642 automaton->locked_states. If it is zero, don't print anything.
12643 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
12644 (output_internal_dead_lock_func): Only test the dead_lock_vect
12645 for automata that have locked states.
12646 (output_statistics): Always print the number of locked states for
12647 each automaton. Calculate total number of locked states here.
12648 (write_automata): Don't call output_dfa_max_issue_rate.
12649 * genattrtab.c: Define length_unit_log as a const variable.
12650 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
12651 max_insn_queue_index const.
12652 * final.c (length_unit_log): Declare const.
12653 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
12655 2006-01-22 Zack Weinberg <zackw@panix.com>
12657 * genautomata.c: Include vec.h, not varray.h.
12658 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
12659 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
12660 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
12661 VEC_* macros operating on appropriately typed vectors, or to
12662 malloced arrays when the size is known in advance. Const-ify
12663 many char* variables and function arguments. No functional changes.
12664 * Makefile.in (build/varray.o): Delete rule.
12665 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
12666 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
12668 2006-01-22 Zack Weinberg <zackw@panix.com>
12670 * gensupport.c: Define get_insn_name and record_insn_name here.
12671 (read_md_rtx): Call record_insn_name as appropriate.
12672 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
12673 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
12674 * genpreds.c, genrecog.c: Don't define get_insn_name nor
12676 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
12677 (BUILD_VARRAY): Delete.
12678 (genprognormal): Rename genprogmd. Fold in all programs from
12679 genprognoprint; also attrtab.
12680 (build/genattrtab): Just mention genautomata.o and varray.o.
12681 Reorganize a bit, add comments to make the categories clearer.
12683 2006-01-22 Zack Weinberg <zackw@panix.com>
12685 * genconditions.c (condition_table, add_condition): Delete.
12686 (write_conditions): Don't emit n_insn_conditions nor
12687 insn_elision_unavailable. Issue the gcc version #ifdef here,
12688 inside the table, with no #else clause ...
12689 (write_header): ...not here.
12690 (write_writer): New function.
12691 (main): Don't initialize condition_table. Use add_c_test.
12693 * gensupport.c (init_md_reader_args_cb): Handle multiple input
12694 files on the command line.
12695 (maybe_eval_c_test): Don't check insn_elision_unavailable.
12696 Return -1 if there is no entry in the table, don't abort.
12697 (add_c_test, traverse_c_tests): New functions.
12698 * gensupport.h (insn_elision_unavailable, insn_conditions)
12699 (n_insn_conditions): Delete declarations.
12700 (add_c_test, traverse_c_tests): Declare.
12701 * read-rtl.c: Include gensupport.h.
12702 (read_conditions): New function.
12703 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
12704 (read_rtx_1): If we get EOF when we were looking for an initial
12705 open paren, return 0. Call read_conditions when appropriate.
12706 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
12707 dummy-conditions.o. Eliminate references to insn-conditions.o,
12708 or change them to build/gencondmd.o, as appropriate. Remove
12709 insn-constants.h from $(simple_generated_h) and insn-conditions.c
12710 from $(simple_generated_c). For all files remaining in those
12711 two lists, add insn-conditions.md to the generator command line.
12712 Give insn-constants.h/s-constants their own rules. Add rules
12713 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
12714 (build/read-rtl.o): Depend on gensupport.h.
12715 (genprognormal): Include preds.
12716 (genprogearly): Rename genprognoprint; only difference is now that
12717 they don't link with $(BUILD_PRINT).
12718 * dummy-conditions.c: Delete.
12720 2006-01-22 Zack Weinberg <zackw@panix.com>
12722 * genextract.c: Don't include insn-config.h. Do include vec.h.
12723 Declare vectors of int, char, and locstr.
12724 (locstr): New typedef.
12725 (struct extraction): Make all array fields into bare pointers.
12726 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
12727 (insn_code_number): Delete.
12728 (accum_extract): New struct.
12729 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
12730 (gen_insn): Take insn_code_number as an argument. Use an
12731 accum_extract structure instead of loading data directly into
12732 a struct extraction, and having to know how big it might get.
12733 (walk_rtx): Operate entirely on an accum_extract structure.
12734 (print_path): Avoid unnecessary use of printf.
12735 (print_header): New function, split out of main. Distinguish
12736 more carefully between an unrecognizable insn and an insn that
12737 has the code number of a define_expand.
12738 (main): Pass insn_code_number to gen_insn. Call print_header
12739 only after parsing. Avoid unnecessary use of printf.
12740 * Makefile.in (build/vec.o): New rule.
12741 (build/genextract): Depend on build/vec.o.
12742 (build/genextract.o): Don't depend on insn-config.h.
12744 2006-01-22 Zack Weinberg <zackw@panix.com>
12746 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
12747 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
12748 practical. Eliminate per-generator-program link rules.
12750 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12752 PR middle-end/24437
12753 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12754 with a call expr to ...
12755 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12757 2006-01-23 Richard Guenther <rguenther@suse.de>
12759 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
12760 before make_edge with conditional EDGE_TRUE_VALUE.
12762 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
12763 Jan Hubicka <jh@suse.cz>
12764 Richard Guenther <rguenther@suse.de>
12766 PR rtl-optimization/25654
12767 * cfgexpand.c (aggregate_contains_union_type): New function.
12768 (add_alias_set_conflicts): Call it. Make sure to add conflicts
12769 for structure variables that contain a union type.
12771 2006-01-23 Richard Sandiford <richard@codesourcery.com>
12773 * gengtype.c (new_structure): Return the structure.
12774 (create_option): Add an extra "next" argument.
12775 (create_field): New function.
12776 (adjust_field_rtx_def): Use create_option and create_field.
12777 Remove a now-unnecessary call to find_structure.
12778 (adjust_field_tree_def): Likewise.
12779 (note_yacc_type): Remove an unnecessary call to find_structure.
12780 * gengtype.h (new_structure): Return the structure.
12781 (create_option): Add an extra argument.
12782 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
12783 (option): Adjust calls to create_option.
12785 2006-01-22 David Edelsohn <edelsohn@gnu.org>
12787 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
12789 2006-01-22 Paul Brook <paul@codesourcery.com>
12790 Peter Barada <peter@the-baradas.com>
12792 * config/m68k/m68k.md: Add Coldfire FPU support.
12793 Define FP mode macro and associated attributes.
12794 Use it for float mode patterns.
12795 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
12796 (LIBCALL_VALUE): Use m68k_libcall_value.
12797 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
12798 (m68k_function_value): Ditto.
12799 (emit_move_sequence): Ditto.
12800 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
12801 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
12802 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
12803 (MULTILIB_EXCEPTIONS): Ditto.
12804 * config/m68k/m68k.opt: Add mcfv4e.
12805 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
12806 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
12807 (m68k_output_function_prologue): Save ColdFire FPU registers.
12808 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
12809 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
12810 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
12811 ColdFire FPU registers.
12812 (m68k_libcall_value, m68k_function_value): New functions.
12813 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
12814 (LIBCALL_VALUE): Use m68k_libcall_value.
12815 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
12816 (MASK_COLDFIRE): Add MASK_CFV4E.
12817 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
12818 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
12819 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
12820 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
12821 (GO_IF_LEGITIMATE_ADDRESS): Use it.
12822 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
12823 * doc/invoke.tex: Document -mcfv4e on m68k.
12825 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
12827 * doc/contribute.texi: Change CVS to SVN and update the corresponding
12830 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
12833 * c-opts.c (c_common_handle_option): Don't include
12834 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
12835 * doc/invoke.texi (C++ Dialect Options): Document that
12836 -Wnon-virtual-dtor is no longer included in -Wall.
12838 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
12840 * gcov.c (print_version), gcov-dump.c (print_version),
12841 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
12844 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
12846 * df-scan.c (problem_SCAN): Added NULL reset function.
12847 (df_scan_reset_blocks): Added code to call reset block function
12848 (df_bb_refs_delete) Fixed comment.
12849 (df_insn_refs_delete): Made tolerant of deleting non existent info
12850 for dataflow problems that need to be reset.
12851 * df-core.c (df_set_blocks): Ditto.
12852 * df.h (struct df_problem): Added reset_fun.
12853 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
12854 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
12855 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
12856 functions to clear out all references to def-use or use-def chains.
12858 2006-01-21 Ben Elliston <bje@au.ibm.com>
12860 * varasm.c (assemble_real): Initialise data array.
12862 2006-01-20 Paul Brook <paul@codesourcery.com>
12864 Merge from csl-arm-branch.
12865 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
12866 * config/arm/arm.md (movdi): Force operands[1] to a register
12867 if we have a non-register source.
12868 (*arm_movdi, *movdf_soft_insn): Require that one of the
12869 operands be a register.
12870 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
12871 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
12873 2006-01-20 DJ Delorie <dj@redhat.com>
12875 * varasm.c (initializer_constant_valid_p): Allow pointers
12876 initialized from integer constants of lesser precision.
12877 (output_constant): Allow non-int-sized pointer modes to be
12878 initialized from integer constants.
12880 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
12883 * cppdefault.h (struct default_include): Add multilib flag.
12884 * cppdefault.c (cpp_include_defaults): Set it.
12885 * c.opt (-imultilib): New option.
12886 * c-opts.c (imultilib): New.
12887 (c_common_handle_option): Handle -imultilib.
12888 (c_common_post_options): Likewise.
12889 * c-incpath.c (add_standard_paths, register_include_chains):
12891 * c-incpath.h (register_include_chains): Add extra parameter.
12892 * gcc.c (do_spec_1): Generate -imultilib option.
12893 (The Specs Language): Update %I description.
12894 (process_command): Update copyright notice.
12895 * doc/cppopts.texi (-imultilib): Document.
12896 * doc/invoke.texi (-imultilib): Include in option summary.
12897 (%I): Update specs documentation.
12899 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12901 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
12903 2006-01-20 Richard Sandiford <richard@codesourcery.com>
12905 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
12908 2006-01-20 Richard Guenther <rguenther@suse.de>
12909 Steven Bosscher <stevenb.gcc@gmail.com>
12911 PR rtl-optimization/24626
12912 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
12913 EDGE_TRUE_VALUE if in RTL mode.
12916 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
12917 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
12919 2006-01-20 Dirk Mueller <dmueller@suse.com>
12922 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
12923 instead of a special NOP marker.
12924 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
12925 NOP marker handling.
12926 * c-common.h (empty_body_warning): Add forward declaration.
12927 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
12928 Now uses IS_EMPTY_STMT() instead of special NOP markers.
12930 2006-01-20 Paul Brook <paul@codesourcery.com>
12932 * Makefile.in (lang_checks): Keep going if mkdir fails.
12934 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12936 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
12937 be able to clean out basic block when not necessary.
12938 (df_scan_free): Fixed to properly delete information if df is
12939 unused before calling df_finish.
12940 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
12941 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
12943 (df_bb_refs_delete): New function.
12944 (df_refs_delete): Moved per block code to df_bb_refs_delete.
12945 * df-core.c (df_set_blocks): Added code to properly clean out
12946 unused blocks if they are not part of the blocks to consider.
12947 Added additional null check.
12948 (df_compact_blocks): Added basic block parameter to free_bb_fun to
12949 be able to clean out basic block when not necessary
12950 * df.h (df_free_bb_function): Ditto.
12951 (df_bb_refs_delete): New function.
12952 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
12953 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
12954 basic block parameter to be able to clean out basic block when not
12956 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
12957 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
12958 Fixed to properly delete information if df is unused before
12961 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12963 PR rtl-optimization/25799
12964 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
12965 Corrected confluence operator to remove bits from op2 before oring
12966 with op1 rather than removing bits from op1.
12967 (df_ru_transfer_function): Corrected test on wrong bitmap which
12968 caused infinite loop. Both of these problems were introduced in
12969 the dataflow rewrite.
12971 2006-01-19 DJ Delorie <dj@redhat.com>
12973 * reload1.c (find_reload_regs): Note the details of reload
12974 failures in the dump file.
12975 (spill_failure): Likewise.
12977 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12979 * loop-iv.c: Include df.h and hashtab.h.
12980 (enum iv_grd_result): New enum.
12981 (DF_REF_IV, DF_REF_IV_SET): New macros.
12982 (struct biv_entry): New.
12983 (df, bivs): New global variables.
12984 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
12985 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
12987 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
12988 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
12989 analyzed_for_bivness_p, record_biv): New functions.
12990 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
12991 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
12992 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
12994 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
12996 (iv_number_of_iterations): Use new interface to iv analysis.
12997 * loop-unroll.c: Do not include varray.h.
12998 (analyze_iv_to_split_insn): Use new interface to iv
13000 * loop-unswitch.c (may_unswitch_on): Ditto.
13001 * df.c (df_bitmaps_free): Only work for bbs for that structures are
13003 (df_bb_modify): Realloc tables to the new index.
13004 (df_find_use): New function.
13005 * df.h (df_find_use): Declare.
13006 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
13008 * cfgloop.h (struct rtx_iv): Remove analysed field.
13009 (iv_get_reaching_def): Removed.
13010 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
13011 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
13012 (loop-iv.o): Add df.h and hashtab.h dependency.
13013 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
13015 2006-01-20 Alan Modra <amodra@bigpond.net.au>
13018 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
13020 (__floatundisf, __floatundidf): Likewise.
13021 * libgcc2.h (IS_IBM_EXTENDED): Define.
13023 2006-01-19 DJ Delorie <dj@redhat.com>
13025 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
13027 2006-01-19 Paul Brook <paul@codesourcery.com>
13029 * config/arm/arm.c (arm_compute_func_type): Treat all functions
13030 as nothrow when unwinding tables are disabled.
13032 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13035 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
13036 of bit-field" when in system header.
13038 2006-01-19 DJ Delorie <dj@redhat.com>
13040 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
13041 the 16 bit shift limit of the m16c.
13043 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
13046 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
13047 * config/i386/i386.c (output_set_got): Output the label if we have one
13048 for the TARGET_DEEP_BRANCH_PREDICTION case.
13050 2006-01-19 Jan Hubicka <jh@suse.cz>
13051 H.J. Lu <hongjiu.lu@intel.com>
13052 Evandro Menezes <evandro.menezes@amd.com>
13054 * invoke.texi (generic): Document
13056 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
13057 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
13058 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
13059 (x86_use_incdec, x86_pad_returns): New variables
13060 (TARGET_CPU_DEFAULT_generic): New constant
13061 (TARGET_CPU_DEFAULT_NAMES): Add generic.
13062 (enum processor_type): Add generic32 and generic64.
13063 * i386.md (cpu attribute): Add generic32/generic64
13064 (movhi splitter): Behave sanely when both partial_reg_dependency and
13065 partial_reg_stall are set.
13066 (K8 splitters): Enable for generic as well.
13067 * predicates.md (incdec_operand): Use TARGET_INCDEC
13068 (aligned_operand): Avoid memory mismatch stalls.
13069 * athlon.md: Enable for generic64, new patterns for 128bit moves.
13070 * ppro.md: Enable for generic32
13071 * i386.c (generic64_cost, generic32_cost): New.
13072 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
13073 (x86_use_leave): Enable for generic64. (x86_use_sahf,
13074 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
13075 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
13076 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
13077 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
13078 x86_partial_reg_dependency, x86_memory_mismatch_stall,
13079 x86_accumulate_outgoing_args, x86_prologue_using_move,
13080 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
13081 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
13082 Enable for generic.
13083 (x86_use_incdec, x86_pad_returns): New.
13084 (override_options): Add generic32 and generic64, translate "generic"
13085 to generic32/generic64 and "i686" to "generic32", refuse
13086 "generic32"/"generic64" as arch target.
13087 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
13088 (ix86_reorg): Honor PAD_RETURNS.
13090 2006-01-19 Diego Novillo <dnovillo@redhat.com>
13092 * tree-pretty-print.c (dump_generic_node): Handle
13093 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
13094 * cgraph.c (cgraph_expand_queue): Rename from
13095 cgraph_analyze_queue. Update all users.
13096 * cgraphunit.c (cgraph_assemble_pending_functions): Process
13097 cgraph_expand_queue.
13098 (cgraph_expand_all_functions): Likewise.
13099 (cgraph_finalize_pending_functions): Remove. Update callers.
13101 * tree.h (OMP_DIRECTIVE_P): Define.
13102 (OMP_PARALLEL_FN): Define.
13103 (OMP_PARALLEL_DATA_ARG): Define.
13104 (OMP_SECTIONS_SECTIONS): Define.
13105 * tree-pass.h (pass_expand_omp): Declare.
13106 * omp-low.c (struct omp_region): Declare.
13107 (struct omp_context): Remove fields 'parallel_type',
13108 'parallel_start_ix' and 'parallel_start_additional_args'.
13110 (struct omp_for_data): Rename from struct expand_omp_for_data.
13111 (omp_regions): New static variable.
13112 (root_omp_region): New static variable.
13113 (find_omp_clause): Make static.
13114 (is_in_combined_parallel_ctx): Remove.
13115 (is_combined_parallel): New.
13116 (extract_omp_for_data): Move earlier in the file.
13117 (workshare_safe_to_combine_p): New.
13118 (get_ws_args_for): New.
13119 (determine_parallel_type): Move earlier in the file.
13120 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
13122 (omp_copy_decl): Likewise.
13123 (create_omp_child_function): Likewise.
13124 (lookup_omp_region): New.
13125 (dump_omp_region): New.
13126 (debug_omp_region): New.
13127 (debug_all_omp_regions): New.
13128 (new_omp_region): New.
13129 (scan_omp_parallel): If parallel_nesting_level > 1, the
13130 directive is nested within another parallel directive.
13131 Set OMP_PARALLEL_FN.
13132 (scan_omp_for): Do not try to handle combined parallel+for
13134 Remove FIXME comment.
13135 (scan_omp_nested): Remove.
13136 (scan_omp_1): Do not call scan_omp_nested when
13137 parallel_nesting_level is > 1.
13138 Do not change the DECL_CONTEXT of local variables found.
13139 (lookup_decl_in_outer_ctx): New.
13140 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
13141 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
13142 (lower_reduction_clauses): Rename from expand_reduction_clauses.
13143 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
13144 If CTX is nested, lookup VAR in the outer context when
13145 building copy assignment.
13146 (lower_send_clauses): Rename from expand_send_clauses.
13147 If CTX is nested, lookup VAR in the outer context when
13148 building copy assignments.
13149 (lower_send_shared_vars): Rename from expand_send_shared_vars.
13150 If CTX is nested, lookup VAR in the outer context when
13151 building copy assignments.
13152 (expand_parallel_call): Rename from build_parallel_call.
13153 Handle combined parallel+workshare cases.
13154 Re-implement to emit code into the CFG.
13156 (expand_omp_parallel): Re-implement to emit code into the CFG.
13157 Call move_sese_region_to_fn to outline the sub-graph
13158 containing the parallel region.
13159 (expand_omp_for_1): Remove.
13160 (expand_omp_for_generic): Re-implement to emit code into the
13162 (expand_omp_for_static_nochunk): Likewise.
13163 (expand_omp_for_static_chunk): Likewise.
13164 (expand_omp_for): Likewise.
13165 (expand_omp_sections): Likewise.
13166 (remove_exit_barriers): New.
13167 (expand_omp_synch): New.
13169 (build_omp_regions_1): New.
13170 (build_omp_regions): New.
13171 (execute_expand_omp): New.
13172 (gate_expand_omp): New.
13173 (pass_expand_omp): Define.
13174 (lower_omp_sections): Rename from expand_omp_sections.
13175 Set OMP_SECTIONS_SECTIONS.
13176 (lower_omp_single_simple): Rename from expand_omp_single_simple.
13177 (lower_omp_single_copy): Rename from expand_omp_single_copy.
13178 (lower_omp_single): Rename from expand_omp_simple.
13179 (lower_omp_master): Rename from expand_omp_master.
13180 (lower_omp_ordered): Rename from expand_omp_ordered.
13181 (lower_omp_critical): Rename from expand_omp_critical.
13182 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
13183 (lower_omp_for): Re-implement.
13184 (lower_omp_parallel): Re-implement.
13185 (lower_regimplify): Rename from expand_regimplify.
13186 (lower_omp_1): Rename from expand_omp_1.
13187 If there are syntax errors in the program, replace every
13188 OpenMP directive with NOP.
13189 Call lower_omp_* instead of expand_omp_*.
13190 (lower_omp): Rename from expand_omp.
13192 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
13193 * tree-gimple.h (enum omp_parallel_type): Remove.
13194 (gimple_boolify): Declare extern.
13195 (find_omp_clause, determine_parallel_type): Remove.
13197 * gimple-low.c (lower_omp_directive): New.
13198 (lower_stmt): Call it.
13199 (record_vars_into): Move from ...
13200 (record_vars): ... here.
13201 Call record_vars_into with current_function_decl.
13203 * gimplify.c (struct gimplify_ctx): Remove fields
13204 combined_pre_p and combined_ctxp. Update users.
13205 (get_formal_tmp_var): Add documentation.
13206 (gimple_boolify): Make extern.
13207 (gimplify_expr_in_ctx): Remove. Update callers.
13208 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
13209 will always be a BIND_EXPR.
13210 (gimplify_expr): Handle OMP_RETURN_EXPR.
13211 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
13212 (OMP_PARALLEL): Add 3 operands.
13213 (OMP_SECTIONS): Add 1 operand.
13214 (OMP_RETURN_EXPR): Define.
13216 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
13217 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
13218 * tree-iterator.c (alloc_stmt_list): Assert that we are not
13219 creating a circular free list.
13220 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
13222 * tree-flow.h (move_sese_region_to_fn): Declare.
13223 (record_vars_into): Declare.
13224 * tree-cfg.c (make_omp_sections_edges): New.
13225 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
13226 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
13227 OMP_SECTIONS and OMP_SECTION.
13228 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
13229 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
13230 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
13231 (gather_blocks_in_sese_region): New.
13232 (struct move_stmt_d): Declare.
13233 (move_stmt_r): New.
13234 (move_block_to_fn): New.
13235 (move_sese_region_to_fn): New.
13237 * passes.c (init_optimization_passes): Schedule
13238 pass_expand_omp after pass_init_datastructures.
13240 * tree-ssa-operands.c (get_expr_operands): Handle
13241 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
13242 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
13244 2006-01-19 Jeff Law <law@redhat.com>
13246 * tree-vrp.c (extract_range_from_assert): Refine the result range
13247 if the variable referenced by the ASSERT_EXPR has a range and
13248 either the tentative result range or the previous range is a
13251 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13253 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
13255 2006-01-19 Jan Hubicka <jh@suse.cz>
13257 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
13259 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
13261 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
13262 (expand_compound_operation, expand_field_assignment): Fail if the
13263 bit lengths of an extract operation are out of range.
13264 (make_extraction): Compute wanted_inner_mode based on the position
13265 and length of the extraction. Make it extraction_mode for non-constant
13266 positions, and do not modify offset in that case. When generating a
13267 new MEM, use a mode that can hold the extraction while keeping correct
13268 alignment. Remove code that supported MEMs wrapped by USEs.
13269 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
13271 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
13273 * config/s390/s390.md ("Y", "y"): New mode attribute.
13274 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
13275 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
13276 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
13277 "*addsi3_imm_cc", "*addsi3_carry1_cc",
13278 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
13279 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
13280 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
13281 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
13282 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
13283 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
13284 "addsi3", "subsi3"): Insn patterns removed.
13285 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
13286 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
13287 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
13288 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
13289 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
13290 "*sub<mode>3_cconly2"): New insn patterns.
13291 ("addsi3", "subsi3"): New expanders.
13293 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
13295 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
13296 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
13297 existing STMT_VINFO_VECTYPE if available.
13298 (vect_mark_relevant): Add special handling for stmts that are
13299 marked as STMT_VINFO_IN_PATTERN_P.
13300 (vect_analyze_loop): Call vect_pattern_recog.
13301 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
13302 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
13304 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
13305 (vect_recog_func_ptr): New function-pointer type.
13306 * tree-vect-patterns.c: New file.
13307 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
13308 (vect_recog_dot_prod_pattern, vect_pattern_recog):
13309 (vect_pattern_recog_1): New functions.
13310 (vect_pattern_recog_funcs): New array of function pointers.
13312 * tree-vectorizer.h (ternary_op): New enum value.
13313 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
13314 declaration. Revised documentation. Removed redundant dump prints.
13315 Removed redundant argument. Added support for reduction patterns.
13316 (vectorizable_reduction): Added support for reduction patterns.
13317 (vect_transform_stmt): Added support for patterns.
13319 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
13320 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
13321 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
13322 (expand_widen_pattern_expr): New function.
13323 (init_optabs): Initialize new optabs udot_prod_optab,
13325 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
13326 (sdot_prod_optab, udot_prod_optab): Define new optabs.
13327 (expand_widen_pattern_expr): New function declaration.
13328 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
13330 * tree-inline.c (estimate_num_insns_1): Added cases for new
13331 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13332 * tree-pretty-print.c (dump_generic_node): Likewise.
13333 (op_prio): Likewise.
13334 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13335 * tree-ssa-operands.c (get_expr_operands): Added case for
13337 * tree-vect-patterns.c (widened_name_p): New function.
13338 (vect_recog_dot_prod_pattern): Added function implementation.
13339 * tree-vect-transform.c (get_initial_def_for_reduction): Added
13340 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
13341 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
13342 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
13344 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
13345 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
13346 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
13347 (init_optabs): Initialize new optabs widen_ssum_optab,
13349 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
13350 (widen_ssum_optab, widen_usum_optab): Define new optabs.
13351 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
13352 use instead of type of def.
13353 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
13354 function implementation.
13355 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
13356 widen_ssumv8hi): New.
13358 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
13361 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13364 * c-decl.c (add_flexible_array_elts_to_size): New function.
13365 (finish_decl): Use it.
13367 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
13369 * diagnostic.h: Include options.h.
13370 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
13371 dependancies for diagnostic.h.
13372 * Makefile.in (DIAGNOSTIC_H): Add options.h.
13374 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
13376 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
13377 (ssa_ro_call_cache_valid): Ditto.
13378 * tree-ssa-alias.c (sort_tags_by_id): New function.
13379 (init_transitive_clobber_worklist): Ditto.
13380 (add_to_worklist): Ditto.
13381 (mark_aliases_call_clobbered): Ditto.
13382 (compute_tag_properties): Ditto.
13383 (set_initial_properties): Ditto.
13384 (compute_call_clobbered): Ditto.
13385 (compute_may_aliases): Call compute_call_clobbered and grouping.
13386 (compute_flow_sensitive_aliasing): Remove clobbering related code.
13387 (compute_flow_insensitive_aliasing): Grouping now happens in our
13389 (setup_pointers_and_addressables): Remove clobbering related code.
13390 (add_may_alias): Ditto.
13391 (replace_may_alias): Ditto.
13392 (get_nmt_for): Ditto.
13393 (create_global_var):
13394 (is_escape_site): Return an escape_type enumeration.
13395 * tree-flow-inline.h (is_call_clobbered): Global var does not
13396 imply call clobbered.
13397 (mark_call_clobbered): Take a reason for marking this. Remove
13398 marking of globalness, and cache invalidation.
13399 (clear_call_clobbered): Remove cache invalidation code.
13400 * tree-dfa.c (dump_variable): If details is on, dump the reason
13402 * tree-outof-ssa.c (create_temp): Copy escape mask from original
13404 * tree-flow.h (struct ptr_info_def): Add escape mask member.
13405 (struct var_ann_d): Ditto.
13406 (enum escape_type): New.
13407 (mark_call_clobbered): Adjust prototype.
13408 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
13409 are never call clobbered.
13410 Record reasons for escaping.
13411 * tree-ssa-structalias.h (is_escape_site): Update prototype.
13412 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
13413 (ssa_ro_call_cache_valid): Ditto.
13414 (clobbered_v_may_defs): Ditto.
13415 (clobbered_vuses): Ditto.
13416 (ro_call_vuses): Ditto.
13417 (clobber_stats): New.
13418 (init_ssa_operands): Zero out clobber stats.
13419 (fini_ssa_operands): Print out clobber stats.
13420 (get_call_expr_operands): Pass callee fndecl to
13421 add_call_read_ops).
13422 (add_call_clobber_ops): Remove use of cache.
13423 Add use of PURE_CONST information.
13424 (add_call_read_ops): Remove use of cache.
13425 Add use of static not_read information.
13427 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
13429 Introduce TLS descriptors for i386 and x86_64.
13430 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
13431 (TARGET_ANY_GNU_TLS): New macro.
13432 (enum tls_dialect): Added TLS_DIALECT_GNU2.
13433 (struct machine_function): Add tls_descriptor_call_expanded_p.
13434 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
13435 (ix86_current_function_calls_tls_descriptor): Likewise.
13436 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
13437 (override_options): Introduce gnu2 tls dialect.
13438 (ix86_frame_pointer_required): Functions containing TLSCALLs are
13440 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
13442 (legitimize_tls_address): Adjust logic for GNU2 TLS.
13443 (ix86_init_machine_status): Initialize new field.
13444 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
13445 (ix86_tls_module_base): New.
13446 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
13447 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
13448 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
13449 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
13450 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
13451 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
13452 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
13453 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
13454 * config/i386/predicates.md (tls_modbase_operand): New.
13455 (tp_or_register_operand): New.
13457 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
13459 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
13460 (look_for_address_of): Ditto.
13461 (ipa_init): Walk the function decls.
13462 (static_execute): Don't set readonly on FUNCTION_DECL's.
13464 2006-01-18 Roger Sayle <roger@eyesopen.com>
13466 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
13467 for shifts where the source and destination registers are different.
13469 2006-01-18 Paul Brook <paul@codesourcery.com>
13471 Merge from csl-arm-branch.
13472 2005-03-14 Julian Brown <julian@codesourcery.com>
13473 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
13474 (aeabi_llsl): Likewise.
13475 (ashrdi3): Likewise.
13476 (aeabi_lasr): Likewise.
13477 (lshrdi3): Likewise.
13478 (aeabi_llsr): Likewise.
13479 2005-03-10 Julian Brown <julian@codesourcery.com>
13480 * config.gcc: Disable shared libgcc for SymbianOS.
13481 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
13483 2006-01-18 DJ Delorie <dj@redhat.com>
13485 * c-pragma.c (handle_pragma_diagnostic): New.
13486 (init_pragma): Register it.
13487 * doc/extend.texi: Document it.
13489 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
13490 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
13491 (diagnostic_context): Add classify_diagnostic[].
13492 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
13493 as errors if they're overridden to DK_WARNING.
13494 (diagnostic_initialize): Initialize classify_diagnostic[].
13495 (diagnostic_set_kind_override): New.
13496 (diagnostic_report_diagnostic): Check for kind changes.
13497 * opts.c (common_handle_option): Take lang_mask. Update callers.
13498 Handle OPT_Werror_.
13499 * common.opt (Werror=): New.
13500 * doc/invoke.texi: Document -Werror=*
13502 2006-01-18 Jeff Law <law@redhat.com>
13504 * tree-vrp.c (test_for_singularity): Correct test for new
13505 min limit. Use operand_equal_p rather than pointer equality
13506 for testing if new min/max values are equal.
13508 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
13509 using range information until after propagation and folding.
13511 2006-01-18 Richard Henderson <rth@redhat.com>
13512 Aldy Hernandez <aldyh@redhat.com>
13513 Jakub Jelinek <jakub@redhat.com>
13514 Diego Novillo <dnovillo@redhat.com>
13516 * omp-low.c: New file.
13517 * c-omp.c: New file.
13519 2006-01-18 Richard Henderson <rth@redhat.com>
13520 Jakub Jelinek <jakub@redhat.com>
13521 Diego Novillo <dnovillo@redhat.com>
13523 * doc/invoke.texi: Document -fopenmp.
13524 * tree-dump.h (debug_function): Declare.
13525 * hooks.c (hook_bool_tree_bool_false): New function.
13526 (hook_tree_tree_null): Remove.
13527 (hook_tree_tree_tree_null): New.
13528 * hooks.h: Update to match.
13529 * tree-pretty-print.c (debug_tree_chain): New.
13530 (print_generic_expr): Handle TDF_CHAIN.
13531 (dump_generic_node): Handle BLOCK.
13532 Do not abort with incomplete SWITCH_EXPRs.
13533 Do not dump body of an OpenMP directive if TDF_SLIM is given.
13534 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
13535 print space after directive name.
13536 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
13537 Handle OMP_MASTER and OMP_ORDERED.
13538 Handle printing of OMP_BODY just in one place, goto
13539 dump_omp_body in the rest of OMP_* nodes that have
13541 Don't handle clause nodes here. Update omp statements to
13542 use dump_omp_clauses.
13543 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
13544 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
13545 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
13546 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
13547 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
13548 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
13549 Adjust output for GOMP_PARALLEL.
13550 (dump_omp_clauses): New.
13551 (print_declaration): Dump DECL_VALUE_EXPR.
13552 (op_symbol_1): Split out of op_symbol.
13553 (dumping_stmts): Remove. Update all users.
13554 * cgraph.c (cgraph_analyze_queue): New.
13555 (cgraph_add_new_function): New.
13556 * cgraph.h (cgraph_analyze_queue): Declare.
13557 (cgraph_add_new_function): Declare.
13558 (cgraph_lower_function): Remove.
13559 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
13560 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
13561 and TYPE_P nodes in its default clause.
13562 (empty_body_p): New.
13563 (tree_range_check_failed): New.
13564 (build5_stat): New.
13565 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
13566 OMP_CLAUSE_REDUCTION_MERGE,
13567 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
13568 OMP_CLAUSE_PRIVATE_DEBUG,
13569 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
13570 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
13571 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
13572 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
13573 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
13574 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
13575 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
13576 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
13577 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
13578 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
13579 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
13580 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
13581 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
13582 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
13583 (TREE_RANGE_CHECK): New.
13584 (empty_body_p): Declare.
13585 (enum omp_clause_default_kind): New.
13586 (build_string_literal): Declare.
13587 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
13588 (build5_stat, build5): Declare.
13589 * tree-pass.h (TDF_CHAIN): Define.
13590 * tree-pass.h (PROP_gimple_lomp): Define.
13591 (pass_lower_omp): Declare.
13592 * diagnostic.h (debug_tree_chain): Declare.
13593 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
13595 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
13596 * builtins.c (build_string_literal): Make extern.
13597 * gcc.c (include_spec_function): New.
13598 (static_spec_functions): Add it.
13599 (main): Move load of libgomp.spec ...
13600 (LINK_COMMAND_SPEC): ... here.
13601 (link_gomp_spec): New.
13602 (static_specs): Include it.
13603 (LINK_COMMAND_SPEC): Add link_gomp.
13604 (GOMP_SELF_SPECS): New.
13605 (driver_self_specs): Include it.
13606 (switch_matches): Don't mark inline.
13607 (main): Load libgomp.spec.
13608 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
13609 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
13610 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
13611 * tree-gimple.h (enum omp_parallel): Declare.
13612 (determine_parallel_type): Declare.
13613 (omp_firstprivatize_variable): Declare.
13614 (omp_reduction_init): Declare.
13615 (diagnose_omp_structured_block_errors): Declare.
13616 (struct walk_stmt_info): Add want_return_expr.
13617 (struct walk_stmt_info): Add want_bind_expr, want_locations.
13618 (find_omp_clause): Declare.
13619 (insert_field_into_struct): Declare.
13620 (struct walk_stmt_info): Move from tree-nested.c
13621 (walk_stmts): Declare.
13622 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
13624 * cgraphunit.c (cgraph_lower_function): Make static.
13625 (cgraph_finalize_pending_functions): New.
13626 (cgraph_finalize_function): Call it.
13627 (cgraph_finalize_compilation_unit): Likewise.
13628 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
13629 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
13630 (BT_FN_UINT_UINT): New.
13631 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
13632 DEF_FUNCTION_TYPE_VAR_4): Document.
13633 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
13634 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
13635 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
13636 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
13637 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
13638 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
13639 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
13640 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
13641 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
13642 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
13643 into separate files.
13644 (DEF_GOMP_BUILTIN): New.
13645 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
13646 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
13647 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
13648 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
13649 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
13650 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
13651 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
13652 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
13653 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
13654 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
13655 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
13656 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
13657 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
13658 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
13659 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
13660 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
13661 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
13662 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
13663 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
13664 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
13665 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
13666 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
13667 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
13668 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
13669 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
13670 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
13671 * sync-builtins.def: New file, moved from builtins.def.
13672 * omp-builtins.def: New file, moved from builtins.def.
13673 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
13674 * gimple-low.c (lower_function_body): Clear data.
13675 (lower_stmt): Do not handle COMPOUND_EXPR.
13676 Remove call to print_node_brief.
13677 * c-tree.h (c_finish_omp_clauses): New prototype.
13678 (C_DECL_THREADPRIVATE_P): Define.
13679 (lookup_name_no_remap, c_omp_remap_private): Remove
13680 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
13681 (check_for_loop_decls): Update decl.
13682 (lookup_name_no_remap, c_omp_remap_private): Declare.
13683 (build_indirect_ref, build_modify_expr, pushdecl,
13684 pushdecl_top_level): Move to c-common.h.
13685 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
13686 before the switch, but just in the 2 places that need it.
13687 * c-decl.c (diagnose_mismatched_decls): Do not check for
13688 mismatched thread-local attributes when OLDDECL is marked
13689 threadprivate and NEWDECL has no thread-local attributes.
13690 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
13691 (c_gimple_diagnostics_recursively): Rename from
13692 c_warn_unused_result_recursively. Invoke
13693 diagnose_omp_structured_block_errors.
13694 (check_for_loop_decls): Return a singular decl found.
13695 * langhooks.c (lhd_omp_predetermined_sharing): Return
13696 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
13697 (lhd_omp_firstprivatize_type_sizes): New.
13698 (lhd_omp_assignment): New.
13699 (lhd_omp_predetermined_sharing): New.
13700 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
13701 (struct lang_hooks_for_types): Add
13702 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
13703 omp_predetermined_sharing, omp_disregard_value_expr,
13704 omp_private_debug_clause, omp_clause_default_ctor,
13705 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
13706 (c_finish_omp_clauses): New.
13707 (c_finish_bc_stmt): Diagnose break within omp for.
13708 (c_begin_omp_parallel, c_finish_omp_parallel): New.
13709 (build_unary_op): Return error_mark after reporting
13711 (build_modify_expr): Likewise.
13712 * gimplify.c: Include optabs.h and pointer-set.h.
13713 (enum gimplify_omp_var_data): Declare.
13714 (struct gimplify_omp_ctx): Declare.
13715 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
13717 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
13718 (push_gimplify_context, pop_gimplify_context): Allow nesting.
13719 (splay_tree_compare_decl_uid): New.
13720 (new_omp_context): New.
13721 (delete_omp_context): New.
13722 (gimple_add_tmp_var): Call omp_add_variable.
13723 (gimplify_bind_expr): Likewise.
13724 (gimplify_var_or_parm_decl): If omp_notice_variable returned
13725 true, disregard DECL_VALUE_EXPR on the decl if any.
13726 (gimplify_expr_in_ctx): New.
13727 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
13728 omp_add_variable, omp_notice_variable, omp_is_private
13729 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
13730 gimplify_adjust_omp_clauses, gimplify_omp_parallel
13731 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
13732 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
13733 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
13734 gimplify_omp_atomic): New.
13735 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13736 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13737 OMP_CRITICAL and OMP_ATOMIC.
13738 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
13739 * c-pragma.h (enum pragma_kind): Add
13740 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
13741 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
13742 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
13743 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
13744 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
13745 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
13746 PRAGMA_OMP_THREADPRIVATE.
13747 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13748 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13749 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
13750 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
13751 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
13752 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
13753 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
13754 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
13755 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
13756 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
13757 * tree-ssa-dce.c (find_control_dependence): Do not assume that
13758 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
13759 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
13761 (struct nesting_info): Add field_map,
13762 suppress_expansion, debug_var_chain.
13763 (create_nesting_tree): Initialize them.
13764 (lookup_field_for_decl): Use field_map.
13765 (get_nonlocal_debug_decl, get_local_debug_decl): New.
13766 (convert_local_omp_clauses): New.
13767 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
13768 (walk_body): Split out of walk_function.
13769 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
13770 (convert_nonlocal_reference): Handle omp statements.
13771 (convert_local_reference): Likewise.
13772 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
13773 (unnest_nesting_tree): New.
13774 (lower_nested_functions): Call it.
13775 (insert_field_into_struct): Make extern.
13776 (struct walk_stmt_info): Move to tree-gimple.h.
13777 (walk_stmts): Make extern.
13778 * omp-builtins.def: New file.
13779 * tree-iterator.c (expr_only): Clarify comment.
13780 * c-common.h (pushdecl_top_level, pushdecl,
13781 build_modify_expr, build_indirect_ref,
13782 c_finish_omp_master, c_finish_omp_critical,
13783 c_finish_omp_ordered, c_finish_omp_barrier,
13784 c_finish_omp_atomic, c_finish_omp_flush,
13785 c_finish_omp_for, c_split_parallel_clauses,
13786 omp_clause_default_kind, c_omp_sharing_predetermined,
13787 c_omp_remap_decl): Declare.
13788 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
13789 (OBJS-common): Add omp-low.o.
13790 (c-omp.o, omp-low.o): Add.
13791 (gimplify.o): Add dependency on $(OPTABS_H).
13792 (GTFILES): Add omp-low.c.
13793 (gt-stringpool.h): Add.
13794 * tree-cfg.c (set_bb_for_stmt): Do not update the
13795 block-to-labels map if we are currently expanding to RTL.
13796 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
13798 Handle IDENTIFIER_NODE.
13799 (tree_verify_flow_info): Do not ICE when emitting error
13800 messages about invalid labels.
13801 (dump_function_to_file): Reset CFUN before emitting the body
13803 (debug_function): New.
13804 * passes.c (init_optimization_passes): Schedule
13806 * langhooks-def.h (lhd_omp_predetermined_sharing,
13807 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
13809 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
13810 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
13811 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
13812 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
13813 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
13814 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
13815 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
13816 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
13817 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
13818 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
13819 (LANG_HOOK_DECLS): Use them.
13821 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
13822 Richard Henderson <rth@redhat.com>
13823 Jakub Jelinek <jakub@redhat.com>
13824 Diego Novillo <dnovillo@redhat.com>
13826 * c-parser.c (pragma_omp_clause): Define.
13827 (c_parser_declaration_or_fndef): Document OpenMP syntax.
13828 (c_parser_compound_statement): Likewise.
13829 (c_parser_statement): Likewise.
13830 (c_parser_pragma): Handle omp pragmas.
13831 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
13832 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
13833 (c_parser_omp_clause_name, check_no_duplicate_clause,
13834 c_parser_omp_variable_list,
13835 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
13836 c_parser_omp_clause_copyprivate,
13837 c_parser_omp_clause_default,
13838 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
13839 c_parser_omp_clause_lastprivate,
13840 c_parser_omp_clause_nowait,
13841 c_parser_omp_clause_num_threads,
13842 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
13843 c_parser_omp_clause_reduction,
13844 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
13845 c_parser_omp_all_clauses, c_parser_omp_structured_block,
13846 c_parser_omp_atomic, c_parser_omp_barrier,
13847 c_parser_omp_critical, c_parser_omp_flush,
13848 c_parser_omp_for_loop, c_parser_omp_for,
13849 c_parser_omp_master, c_parser_omp_ordered,
13850 c_parser_omp_sections_scope, c_parser_omp_sections,
13851 c_parser_omp_parallel, c_parser_omp_single,
13852 c_parser_omp_construct, c_parser_omp_threadprivate): New.
13853 * c-pragma.c (init_pragma): Do omp pragma registration here.
13854 * c.opt (fopenmp): New flag.
13856 2006-01-18 Eric Christopher <echristo@apple.com>
13858 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
13859 * config/darwin.h (GOMP_SELF_SPECS): Define.
13861 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13863 * rtl.h: Remove the prototype for reg_alloc.
13865 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13868 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
13869 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
13870 sjlj and dwarf2 exception handling.
13871 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
13872 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
13873 * pa/pa.c (function_value): Treat complex and vector types as
13875 (function_arg): Likewise. Only pass scalar floats in the floating
13876 point argument registers.
13877 * pa/t-slibgcc-dwarf-ver: New file.
13878 * pa/t-slibgcc-sjlj-ver: New file.
13879 * pa/t-slibgcc-elf-ver: Delete file.
13881 2006-01-19 Alan Modra <amodra@bigpond.net.au>
13883 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
13884 unlikely_test_section_p test.
13886 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13888 * mode-switching.c (optimize_mode_switching): Make it static.
13889 * basic-block.h: Remove the prototype for
13890 optimize_mode_switching.
13892 * modulo-sched.c (sms_schedule): Make it static.
13893 * rtl.h: Remove the prototype for sms_schedule.
13895 * postreload-gcse.c (gcse_after_reload_main): Make it static.
13896 * rtl.h: Remove the prototype for gcse_after_reload_main.
13898 * reg-stack.c (reg_to_stack): Make it static.
13899 * rtl.h: Remove the prototype for reg_to_stack.
13901 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
13903 * rtl.h: Remove the prototypes for regrename_optimize and
13904 copyprop_hardreg_forward.
13906 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
13908 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
13909 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
13910 Test against the appropriate null constant for the mode.
13911 If 'fixup_overlap' is true, swap the operands if they overlap.
13912 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
13913 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
13914 alpha_split_tmode_pair and adjust for above change.
13915 * config/alpha/alpha.md (movtf_internal): Adjust call to
13916 alpha_split_tfmode_pair and rely on it to swap the operands.
13917 (movti_internal): New insn and post-reload splitter.
13918 (movti): New expander.
13920 2006-01-18 Philippe De Muyter <phdm@macqel.be>
13922 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
13925 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13927 * rtlanal.c (global_reg_mentioned_p_1,
13928 global_reg_mentioned_p): Remove.
13929 * rtl.h: Remove the prototype for global_reg_mentioned_p.
13931 * flow.c (initialize_uninitialized_subregs): Make it static.
13932 * rtl.h: Remove the prototype for
13933 initialize_uninitialized_subregs.
13935 * function.c (instantiate_virtual_regs): Make it static.
13936 * function.h: Remove the prototype for
13937 instantiate_virtual_regs.
13939 * regmove.c (regmove_optimize, combine_stack_adjustments):
13941 * rtl.h: Remove the prototypes for regmove_optimize and
13942 combine_stack_adjustments.
13944 2006-01-17 Roger Sayle <roger@eyesopen.com>
13946 * config/i386/i386.c (COSTS_N_BYTES): New macro.
13947 (size_cost): Encode costs in bytes so that a reg-reg addition is
13948 equivalent to COSTS_N_INSNS(1).
13949 (override_options): Use the size_cost.branch_cost as the default
13950 ix86_branch_cost when optimizing for size.
13952 2006-01-18 Ben Elliston <bje@au.ibm.com>
13954 * Makefile.in (D32PBIT_FUNCS): New.
13955 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
13956 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
13957 D64PBIT_FUNCS and D128PBIT_FUNCS.
13958 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
13959 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
13961 (decnumber_dep): Define.
13962 * doc/libgcc.texi (Decimal float library routines): New node.
13963 * config/dfp-bit.h, config/dfp-bit.c: New files.
13965 2006-01-18 Ben Elliston <bje@au.ibm.com>
13967 * expr.c (emit_move_change_mode): Always adjust addresses, not
13968 just during reload. Copy replacements only during reload.
13969 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
13970 emit_move_via_integer.
13972 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
13974 * Makefile.in (check-%, check-consistency): Use $${srcdir}
13975 instead of $(srcdir) and ${srcdir}.
13977 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
13980 PR middle-end/11135
13981 * arm.h (struct machine_function): Add pic_reg.
13982 * arm.c (arm_pic_register): Make unsigned.
13983 (arm_override_options): Only set arm_pic_register if
13984 TARGET_SINGLE_PIC_BASE.
13985 (use_return_insn): Only test for a pic register if it is fixed.
13986 (arm_compute_save_reg0_reg12_mask): Likewise.
13987 (thumb_compute_save_reg_mask): Likewise.
13988 (legitimate_pic_operand): Factor out some known invariants.
13989 (legitimize_pic_address): If we don't have a fixed pic register,
13990 then set up a pseudo in the function entry sequence. Handle the
13991 pic base being in a pseudo.
13992 (arm_load_pic_register): Handle the pic register being in a pseudo.
13993 (arm_expand_prologue): Only set up the pic register if it is fixed.
13994 (thumb_expand_prologue): Likewise.
13995 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
13996 (pic_load_addr_based_insn): Likewise.
13997 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
14000 2006-01-18 Ben Elliston <bje@au.ibm.com>
14002 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
14003 decimal float modes for all floating point registers.
14005 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
14006 match_code "mem" with match_test "macho_lo_sum_memory_operand".
14008 2006-01-17 Jakub Jelinek <jakub@redhat.com>
14011 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
14012 even when the pointer is not NULL.
14014 2006-01-16 Ian Lance Taylor <ian@airs.com>
14016 * common.opt (ftoplevel-reorder): New option.
14017 * cgraph.c (cgraph_asm_nodes): New global variable.
14018 (cgraph_asm_last_node): New static variable.
14019 (cgraph_order): New global variable.
14020 (cgraph_create_node): Set new order field.
14021 (cgraph_varpool_node): Likewise.
14022 (decide_is_variable_needed): Return true if not
14023 flag_toplevel_reorder.
14024 (cgraph_add_asm_node): New function.
14025 * cgraph.h (struct cgraph_node): Add order field.
14026 (struct cgraph_varpool_node): Add order field.
14027 (struct cgraph_asm_node): Define.
14028 (cgraph_asm_nodes, cgraph_order): Declare.
14029 (cgraph_add_asm_node): Declare.
14030 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
14032 (cgraph_varpool_assemble_pending_decls): Call it.
14033 (cgraph_output_pending_asms): New static function.
14034 (cgraph_finalize_compilation_unit): Call it.
14035 (struct cgraph_order_sort): Define.
14036 (cgraph_output_in_order): New static function.
14037 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
14038 !flag_toplevel_reorder case.
14039 * c-parser.c: Include "cgraph.h".
14040 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
14042 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
14043 than -fno-unit-at-a-time.
14044 * doc/invoke.texi (Option Summary): Mention
14045 -fno-toplevel-reorder.
14046 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
14047 -funit-at-a-time documentation.
14049 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
14050 Kazu Hirata <kazu@codesourcery.com>
14052 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
14054 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
14056 * Makefile.in (FUNCTION_H): New. Use it instead of
14057 function.h throughout the file.
14058 * function.h: Include tree.h.
14060 2006-01-17 Ben Elliston <bje@au.ibm.com>
14062 * recog.c: Separate some functions with whitespace.
14064 2006-01-16 Richard Henderson <rth@redhat.com>
14066 Merge from gomp branch:
14067 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
14068 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
14069 and rename from struct inline_data. Rename callee* to dst*;
14070 caller* to src*; add copy_decl hook, transform_call_graph_edges,
14071 transform_new_cfg, transform_return_to_modify, and
14072 transform_lang_insert_block flags; remove cloning_p, versioning_p,
14074 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
14075 (copy_decl_for_dup): Remove.
14076 * tree-inline.c (struct inline_data): Move to header.
14077 (insert_decl_map): Export.
14078 (remap_decl): Update for member name changes. Use copy_decl hook.
14079 Allow for replacement to be a non-decl. Remove dead code.
14080 (remap_type_1): Check for existing mapping.
14081 (remap_type): Export.
14082 (remap_decls): Update for member name changes.
14083 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
14084 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
14085 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
14086 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
14087 (tree_function_versioning, build_duplicate_type): Likewise.
14088 (copy_body_r): Likewise. Export.
14089 (copy_decl_for_dup): Split into ...
14090 (copy_decl_for_dup_finish, copy_decl_to_var,
14091 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
14092 (replace_ref_tree, inlining_p): Remove.
14094 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14096 * ifcvt.c (if_convert): Make it static.
14097 * rtl.h: Remove the prototype for if_convert.
14099 * local-alloc.c (local_alloc): Make it static.
14100 * rtl.h: Remove the prototype for local_alloc.
14102 * loop.c (loop_optimize): Make it static.
14103 * cfgloop.h: Remove the prototype for loop_optimize.
14106 2006-01-16 DJ Delorie <dj@redhat.com>
14108 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
14111 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14113 * pa.md: Disparage copies between general and floating-point registers
14114 in 32-bit move patterns.
14116 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
14119 * Makefile.in (check-%): Depend on site.exp instead of
14120 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
14123 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14125 * global.c (global_alloc): Make it static.
14126 * rtl.h: Remove the prototype for global_alloc.
14128 2006-01-16 Richard Guenther <rguenther@suse.de>
14130 * tree-ssa-alias.c (struct used_part): Add write_only field.
14131 (get_or_create_used_part_for): Initialize it to true.
14132 (create_overlap_variables_for): Don't create structure variables
14133 for structures that only are written to.
14134 (find_used_portions): Handle MODIFY_EXPR to track whether a
14135 structure is only written to.
14137 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14139 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
14141 * basic-block.h: Remove the prototype for
14142 partition_hot_cold_basic_blocks.
14144 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
14146 * cppspec.c (lang_specific_spec_functions): Remove.
14147 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
14148 * gcc.h (lang_specific_spec_functions): Remove.
14149 * gccspec.c (lang_specific_spec_functions): Remove.
14151 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
14153 * combine.c (record_value_for_reg): Invalidate registers
14155 (record_dead_and_set_regs_1): Likewise, by passing them to
14156 record_value_for_reg.
14157 (record_dead_and_set_regs): Invalidate stores made by a
14158 call. We do not combine across a call, but we still
14159 relied on equivalences.
14161 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14163 * tree-vrp.c (extract_range_from_binary_expr): Cope with
14164 vrp_int_const_binop returning non-constant nodes.
14166 2006-01-16 Paul Brook <paul@codesourcery.com>
14168 * config/m68k/m68k.c (output_move_const_into_data_reg):
14169 Output correct mnemonic for mvz and mvs.
14171 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
14173 * rtl-factoring.c: Add sequence abstraction algorithm.
14174 * cfgcleanup.c (outgoing_edges_match): Extra checks.
14175 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
14177 (block_has_preserve_label): New function.
14178 * common.opt: Register new pass.
14179 * Makefile.in: Ditto.
14181 * timevar.def: Ditto.
14182 * tree-pass.h: Ditto.
14183 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
14184 * rtl.h (make_jump_insn_raw): Add forward decl.
14185 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
14187 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14188 Roger Sayle <roger@eyesopen.com>
14190 * fold-const.c (fold_minmax): New static function.
14191 (fold_binary) <MIN_EXPR>: Call it.
14192 <MAX_EXPR>: Likewise.
14193 * stor-layout.c (place_field): Use DECL_SIZE consistently
14194 in the computation of the new record size.
14196 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14198 * cse.c (cse_condition_code_reg): Make it static.
14199 * rtl.h: Remove the prototype for cse_condition_code_reg.
14201 * combine.c (combine_instructions): Make it static.
14202 * rtl.h: Remove the prototype for combine_instructions.
14204 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14207 * tree.c (get_file_function_name_long): Concatenate the first global
14208 object name with a string derived from the input filename of the object
14211 2006-01-16 Ben Elliston <bje@au.ibm.com>
14213 * config/i386/winnt-stubs.c: Update FSF address.
14214 * config/xtensa/ieee754-df.S: Ditto.
14215 * config/xtensa/ieee754-sf.S: Ditto.
14217 2006-01-14 Ian Lance Taylor <ian@airs.com>
14219 * ifcvt.c (noce_init_if_info): New static function, broken out of
14220 noce_process_if_block.
14221 (noce_process_if_block): Call noce_init_if_info.
14222 (check_cond_move_block): New static function.
14223 (cond_move_process_if_block): New static function.
14224 (process_if_block): Call cond_move_process_if_block.
14226 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
14228 * cselib.c (hash_table): Rename to cselib_hash_table.
14229 (cselib_clear_table, discard_useless_values,
14230 remove_useless_values, cselib_lookup_mem, cselib_lookup,
14231 cselib_init, cselib_finish): Adjust uses of hash_table.
14233 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
14235 PR tree-optimization/25485
14236 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
14237 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
14238 is known to be false and true, respectively.
14240 2006-01-14 Richard Guenther <rguenther@suse.de>
14242 PR tree-optimization/22548
14243 PR tree-optimization/22555
14244 PR tree-optimization/22501
14245 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
14246 * params.def (salias-max-array-elements): New parameter.
14247 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
14248 * doc/invoke.texi (salias-max-array-elements): Document.
14249 * tree-flow-inline.h (var_can_have_subvars): We also handle
14251 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
14253 * tree-ssa-structalias.c (params.h): Include.
14254 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
14255 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
14256 (get_constraint_for): For ADDR_EXPR operating on something
14257 containing an ARRAY_REF, add all subvars to the solution.
14258 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
14259 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
14260 for creating MUST_DEFs.
14261 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
14263 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
14265 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
14267 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
14268 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14269 number_of_iterations_le): New functions.
14270 (number_of_iterations_special): Removed.
14271 (number_of_iterations_exit): Do not use number_of_iterations_special.
14272 * tree.c (unsigned_type_for): Always return integer type.
14274 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
14275 Richard Guenther <rguenther@suse.de>
14277 PR rtl-optimization/24257
14278 * gcse.c (find_moveable_store): Only consider a store movable
14279 when the SET_SRC of the insn can be assigned to a register.
14281 2006-01-14 Ian Lance Taylor <ian@airs.com>
14283 * tree.c (tree_not_class_check_failed): New function.
14284 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
14285 (tree_not_class_check_failed): Declare.
14287 2006-01-13 Ian Lance Taylor <ian@airs.com>
14289 * reload1.c (do_output_reload): Add assertion rejecting a
14292 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
14294 * combine.c (struct reg_stat): Add new fields truncation_label and
14296 (record_value_for_reg): Reset truncated_to_mode.
14297 (record_truncated_value): New function.
14298 (check_promoted_subreg): Call it. Rename to check_conversions.
14299 (combine_instructions): Rename check_promoted_subreg to
14301 (reg_truncated_to_mode): New function.
14302 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
14303 (gen_lowpart_or_truncate): New function.
14304 (force_to_mode): Use it instead of gen_lowpart.
14306 2006-01-13 Diego Novillo <dnovillo@redhat.com>
14308 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
14309 VAR is a tag, not its type tag.
14311 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
14313 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
14314 alternatives to match style of other entries.
14315 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
14317 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
14319 PR tree-optimization/25771
14320 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
14323 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
14326 * tree-inline.c (declare_return_variable): If the return variable
14327 was marked as a non gimple complex, set the return slot variable
14328 to be a non gimple comple variable.
14330 2006-01-13 Richard Guenther <rguenther@suse.de>
14332 * builtins.c (expand_builtin_sincos): New function.
14333 (expand_builtin_mathfn_3): Remove dead code, sin and cos
14335 (expand_builtin): Expand sincos using expand_builtin_sincos.
14337 2006-01-12 DJ Delorie <dj@redhat.com>
14339 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
14340 shift counts, separate SI shifts for m32c vs m16c, pass shift type
14341 so that constant shifts can be split.
14342 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
14343 (m32c_valid_pointer_mode): Make static.
14344 (shift_gen_func_for): New.
14345 (m32c_prepare_shift): Use it. Split large const shifts into
14347 * config/m32c/predicates.md (shiftcount_operand): Allow more
14349 (longshiftcount_operand): New.
14350 * doc/md.texi (Machine Constraints): Document In6.
14352 2006-01-13 Ben Elliston <bje@au.ibm.com>
14354 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
14355 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
14358 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
14360 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
14361 to try to avoid clobbering pieces of structures when we know
14362 something about the whole structure.
14363 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
14365 2006-01-13 Ben Elliston <bje@au.ibm.com>
14367 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
14368 return in memory, as this is no limitation is no longer present.
14370 2006-01-12 DJ Delorie <dj@redhat.com>
14372 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
14373 mova with fb, and for fb+0 -> An.
14375 * config/m32c/mov.md (peephole2): Fix enabling logic.
14377 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
14378 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
14379 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
14380 FINI_ARRAY_SECTION_ASM_OP): Define.
14382 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
14384 (m32c_legitimize_reload_address): New logic to reload FB to An.
14385 (m32c_output_reg_push): Add newline.
14386 (m32c_output_reg_pop): Likewise.
14388 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
14390 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
14392 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
14394 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
14396 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14398 * config/sh/predicates.md (sh_rep_vec): Add parallel to
14401 2006-01-11 Ben Elliston <bje@au.ibm.com>
14403 * rtlanal.c (find_reg_note): Assert insn is not null.
14405 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14407 * df-scan.c (df_hard_reg_init): Move declaration of i outside
14410 2006-01-11 Jeff Law <law@redhat.com>
14412 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
14414 (mark_threaded_blocks, register_jump_thread): New functions.
14415 (thread_through_all_blocks): Remove unwanted argument. No
14416 longer rely on e->aux to communicate thread target info.
14417 Call mark_threaded_blocks. Release the threaded_blocks
14418 bitmap and threaded_edges vector when complete.
14419 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
14420 (threaded_blocks): Remove.
14421 (tree_ssa_dominator_optimize): Remove initialization and
14422 finalization of threaded_blocks. Simplify call to
14423 thread_through_all_blocks.
14424 (thread_across_edge): Call register_jump_thread rather than
14425 storing thread information into e->aux.
14426 (free_all_edge_infos): Simplify now that e->aux is no longer
14427 used to communicate with thread_through_all_blocks.
14428 * tree-flow.h (thread_through_all_blocks): Update prototype.
14429 (register_jump_thread): Prototype.
14431 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14433 * df-core.c (df_compact_blocks, df_bb_replace): Use
14434 SET_BASIC_BLOCK instead of BASIC_BLOCK.
14436 2006-01-11 Richard Guenther <rguenther@suse.de>
14438 PR tree-optimization/25734
14439 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
14440 stop propagation after successful propagation to the LHS.
14442 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14444 * basic-block.h (control_flow_graph): Change the type of
14445 x_basic_block_info to VEC(basic_block,gc) *.
14446 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
14448 (SET_BASIC_BLOCK): New.
14449 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
14450 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
14451 * cfgbuild.c (find_basic_blocks): Likewise.
14452 * cfglayout.c (fixup_reorder_chain): Likewise.
14453 * cfgrtl.c (create_basic_block_structure,
14454 rtl_create_basic_block): Likewise.
14455 * ifcvt.c (find_if_case_1): Likewise.
14456 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
14459 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14461 * Makefile.in: Removed rotted odf.c entry.
14463 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
14466 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
14467 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
14468 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
14469 output pattern modifier, not %e.
14470 * config/cris/cris.c (cris_op_str): Update comment about pattern
14472 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
14473 before falling through into...
14474 <case 'E'>: Redefined from old 'e' case.
14476 2006-01-11 Jan Hubicka <jh@suse.cz>
14479 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
14481 2006-01-11 Jan Hubicka <jh@suse.cz>
14483 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
14484 * i386.c (x86_decompose_lea): Kill.
14485 (ix86_rtx_costs): Kill.
14487 2006-01-11 Jan Hubicka <jh@suse.cz>
14489 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
14490 * cgraph.h (cgraph_node): Add inline_decl.
14491 (cgraph_insert_node_to_hashtable): Declare.
14492 (save_inline_function_body): Declare.
14493 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
14495 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
14496 (cgraph_function_versioning): Update call of tree_function_versioning.
14497 (save_inline_function_body): New function.
14498 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
14499 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
14500 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
14501 (cgraph_default_inline_p): Likewise.
14502 (cgraph_decide_inlining_incrementally): Likewise.
14503 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
14504 (copy_bb): Kill saving; do updating of clones.
14505 (copy_cfg_body): Kill saving.
14506 (initialize_inlined-parameters): Likewise.
14507 (expand_call_inline): Likewise.
14509 (tree_function_versioning): New parameter "update_clones".
14510 (inlining_p): Kill saving.
14511 * tree-inline.h (tree_function_versioning): Update prototype.
14512 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
14515 2006-01-11 Ian Lance Taylor <ian@airs.com>
14517 * combine.c (struct undo): Remove is_int. Enumify types of undos.
14518 Allow undoing set of machine mode.
14519 (do_SUBST): Use enums instead of is_int.
14520 (do_SUBST_MODE): New function.
14521 (SUBST_MODE): New macro.
14522 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
14523 reg and trying to replace reg_regno_rtx with a new register.
14524 (undo_all): Use new enums, handle undoing a PUT_MODE change.
14525 (simplify_set): Use SUBST_MODE.
14526 (distribute_notes): Remove code that tried to update reg notes
14527 for regno_reg_rtx changes.
14529 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
14531 PR tree-optimization/23109
14532 PR tree-optimization/23948
14533 PR tree-optimization/24123
14535 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
14536 * tree-cfg.c (single_noncomplex_succ): New.
14537 * tree-flow.h (single_noncomplex_succ): Declare it.
14538 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14539 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14540 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
14541 insert_bb, register_division_in, insert_reciprocals,
14542 replace_reciprocal, free_bb): New.
14543 (execute_cse_reciprocals_1): Rewritten.
14544 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
14545 Do not commit any edge insertion. Always compute dominators and
14546 create the allocation pool.
14547 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
14548 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
14549 * targhooks.c (default_min_divistions_for_recip_mul): New.
14550 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
14551 * passes.c (init_optimization_passes): Run recip after tree loop
14553 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
14555 2006-01-11 Danny Berlin <dberlin@dberlin.org>
14556 Kenneth Zadeck <zadeck@naturalbridge.com>
14558 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
14559 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
14560 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
14561 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
14562 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
14563 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
14564 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
14565 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
14566 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
14567 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
14568 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
14569 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
14570 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
14571 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
14572 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
14573 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
14574 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
14575 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
14576 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
14577 DF_SCAN_POST_ALLOC): New macros.
14578 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
14579 df_free_bb_function, df_local_compute_function, df_init_function,
14580 df_dataflow_function, df_confluence_function_0,
14581 df_confluence_function_n, df_transfer_function,
14582 df_finalizer_function, df_free_function, df_dump_problem_function,
14583 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
14584 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
14585 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
14586 df_urec_bb_info, ) New types.
14587 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
14589 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
14590 df_analyze_simple_change_some_blocks,
14591 df_analyze_simple_change_one_block, df_compact_blocks,
14592 df_bb_replace, df_bb_regno_last_use_find,
14593 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
14594 df_insn_regno_def_p, df_find_def, df_find_use,
14595 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
14596 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
14597 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
14598 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
14599 debug_df_chain, df_get_dependent_problem, df_chain_create,
14600 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
14601 df_grow_bb_info, df_chain_dump, df_print_bb_index,
14602 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
14603 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
14604 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
14605 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
14606 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
14607 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
14608 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
14609 df_ref_remove, df_insn_refs_delete, df_refs_delete,
14610 df_reorganize_refs, df_set_state, df_hard_reg_init,
14611 df_read_modify_subreg_p) New public functions.
14612 * df-core.c: The core dataflow solver and glue routines for rtl
14614 (df_init, df_add_problem, df_set_blocks, df_finish,
14615 df_hybrid_search_forward, df_hybrid_search_backward,
14616 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
14617 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
14618 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
14619 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
14620 df_reg_defined, df_find_use, df_reg_used, df_dump,
14621 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
14622 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
14623 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
14624 debug_df_useno, reset_df_after_reload): New functions.
14625 * df-scan.c: The scanning fuctions, once in df.c, completely
14626 rewritten so that they now fully model the functionality of
14627 register usage at the backend.
14628 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
14629 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
14630 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
14631 df_grow_insn_info, df_rescan_blocks, df_ref_create,
14632 df_get_artificial_defs, df_get_artificial_uses,
14633 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
14634 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
14635 df_refs_delete, df_reorganize_refs, df_set_state,
14636 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
14637 df_def_record_1, df_defs_record, df_uses_record,
14638 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
14639 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
14640 df_record_exit_block_uses, df_hard_reg_init): New functions.
14642 * df-problems.c: Seven concrete dataflow problems that use the
14643 scanning in df-scan.c and are solved by the engine in df-core.c.
14644 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
14645 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
14646 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
14647 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
14648 df_ru_free_bb_info, df_ru_alloc,
14649 df_ru_bb_local_compute_process_def,
14650 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
14651 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
14652 df_ru_transfer_function, df_ru_free, df_ru_dump,
14653 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
14654 df_rd_free_bb_info, df_rd_alloc,
14655 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
14656 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
14657 df_rd_transfer_function, df_rd_free, df_rd_dump,
14658 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
14659 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
14660 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
14661 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
14662 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
14663 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
14664 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
14665 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
14666 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
14667 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
14668 df_urec_mark_reg_change, df_urec_check_earlyclobber,
14669 df_urec_mark_reg_use_for_earlyclobber,
14670 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
14671 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
14672 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
14673 df_urec_dump, df_urec_add_problem, df_chain_alloc,
14674 df_chain_create_bb_process_use, df_chain_create_bb,
14675 df_chain_finalize, df_chain_free, df_chains_dump,
14676 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
14677 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
14678 df_reg_lifetime): New functions.
14679 * df.c: Deleted file.
14680 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
14681 consistent with new df api.
14682 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
14683 rest_of_handle_sms): Ditto.
14684 * web.c (unionfind_union, union_defs, entry_register, web_main):
14686 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
14687 invariant_expr_equal_p, find_defs, check_dependencies,
14688 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
14689 free_inv_motion_data, move_loop_invariants): Ditto.
14690 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
14691 Update dependencies.
14692 (odf.c): Added defective entry that was deleted later in day.
14693 * sched-deps.c (sched_analyze_1): Ditto.
14695 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
14697 * tree-ssa-operands.c (get_expr_operands): Record addressable
14698 variables directly. Do not call add_stmt_operands for CONST_DECLs
14700 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
14701 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
14703 2006-01-11 Ben Elliston <bje@au.ibm.com>
14705 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
14706 function returns true in the positive case.
14708 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14711 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
14712 for SI, DI, SF and DF modes. Add alternatives to copy between
14713 general and floating point registers to the 32-bit patterns.
14714 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
14715 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
14716 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
14717 generating 64-bit code.
14718 * config/pa/pa.c (output_move_double): Handle copies between general
14719 and floating registers.
14721 2006-01-10 Stuart Hastings <stuart@apple.com>
14723 * config/i386/i386.md (set_got): Update.
14724 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
14725 (builtin_setjmp_receiver): Mach-O support.
14726 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
14727 (GOT_SYMBOL_NAME): Define.
14728 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
14729 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
14730 * config/i386/i386.c (override_options): Revise for Darwin.
14731 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
14732 support. (darwin_x86_file_end): New. (output_set_got): Add label
14733 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
14734 * config/i386/i386-protos.h (output_set_got): Likewise.
14735 * config/darwin.c (machopic_legitimize_pic_address): Update
14738 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
14740 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
14741 when MODE isn't BLKmode.
14743 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14745 PR rtl-optimization/25367
14746 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
14748 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
14751 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
14752 for a negative bound.
14754 2006-01-10 Richard Guenther <rguenther@suse.de>
14756 * tree-ssa-structalias.c (get_constraint_for_component_ref):
14757 Never override with anything constraint.
14759 2006-01-10 Jan Beulich <jbeulich@novell.com>
14761 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
14762 256 bits when optimize_size.
14764 2006-01-10 Jan Beulich <jbeulich@novell.com>
14766 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
14768 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
14769 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
14772 2006-01-10 Ben Elliston <bje@au.ibm.com>
14774 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
14776 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
14777 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
14778 (USE_FP_FOR_ARG): Reject decimal float modes.
14779 (function_arg_advance): Likewise.
14780 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
14781 (rs6000_handle_altivec_attribute): Do not permit decimal floating
14782 point types in AltiVec vectors.
14783 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
14784 (rs6000_libcall_value): Likewise.
14786 2006-01-09 Bob Wilson <bob.wilson@acm.org>
14788 * config/xtensa/ieee754-df.S: New file.
14789 * config/xtensa/ieee754-sf.S: New file.
14790 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
14791 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
14792 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
14794 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
14796 * config/sh/predicates.md (binary_float_operator,
14797 binary_logical_operator, commutative_float_operator,
14798 equality_comparison_operator, greater_comparison_operator,
14799 less_comparison_operator, logical_operator,
14800 noncommutative_float_operator, shift_operator,
14801 symbol_ref_operand, unary_float_operator): Remove redundant
14804 2006-01-09 Jeff Law <law@redhat.com>
14806 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
14807 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
14808 now unused arguments. Callers updated.
14809 (eliminate_redundant_computations): Remove now unused arguments,
14811 (local_fold): Remove, no longer used.
14812 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
14814 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
14815 (simplify_cond): New function.
14816 (forward_propagate_into_cond): Call simplify_cond.
14818 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
14820 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
14821 (*vec_extractv2di_1_sse): New.
14823 2006-01-09 Ben Elliston <bje@au.ibm.com>
14825 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
14827 2006-01-08 Richard Guenther <rguenther@suse.de>
14829 * tree-ssa-structalias.c (get_constraint_for): Remove
14830 anyoffset argument.
14831 (get_constraint_for_component_ref): Likewise.
14832 (do_deref): Likewise.
14833 (get_constraint_for): Likewise.
14834 (do_structure_copy): Likewise.
14835 (handle_ptr_arith): Likewise.
14836 (find_func_aliases): Likewise. Remove unused need_anyoffset
14839 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
14840 Kaz Kojima <kkojima@gcc.gnu.org>
14842 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
14843 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
14844 (EXTRA_CONSTRAINT_C16): Remove.
14845 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
14846 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
14847 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
14848 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
14849 constants of SHmedia. Handle nested constant expressions of
14851 (andcosts): Fix the costs for SHmedia constants.
14852 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
14853 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
14854 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
14855 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
14856 (movv4hi_i, movv2si_i): Likewise.
14857 (movsi_const): Adjust the second operand of ior so to match with
14858 the Csu constraint.
14859 (movdi_const, movdi_const_32bit): Likewise.
14860 (movdi_const_16bit+1): Don't sign-extend LOW.
14861 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
14863 (*double_shori): Fix the split condition. Use GEN_INT instead
14864 of get_int_mode calls. Mask lower 16-bit of the argument of
14866 (sym2GOTPLT): Remove.
14867 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
14869 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
14870 instead of EXTRA_CONSTRAINT_C16.
14872 2006-01-07 Ian Lance Taylor <ian@airs.com>
14873 David Edelsohn <edelsohn@gnu.org>
14875 PR rtl-optimization/25662
14876 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
14877 for constant operands instead of simplify_gen_binary.
14878 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
14879 after trying simplify_binary_operation
14881 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
14883 * tree.c (iterative_hash_expr): Hash decls based on UID.
14885 2006-01-06 Eric Christopher <echristo@apple.com>
14887 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
14888 (TARGET_UNWIND_EMIT): Fix spelling.
14889 * target.h (gcc_target): Add except_table_label.
14890 * except.c (output_function_exception_table): Use.
14891 * varasm.c (default_emit_except_table_label): New.
14892 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
14894 (asm_out): Add here.
14895 * output.h (default_emit_except_table_label): Prototype.
14896 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
14897 * config/darwin.c (darwin_emit_except_table_label): Define.
14898 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
14900 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
14902 PR tree-optimization/18527
14903 * tree-ssa-loop-niter.c (number_of_iterations_cond,
14904 number_of_iterations_special, number_of_iterations_exit):
14905 Move base and step of an iv to a single structure. Add
14906 no_overflow flag, and use it in # of iterations analysis.
14907 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
14908 folded_casts argument.
14909 (simple_iv): Pass base and step in a structure. Set no_overflow
14911 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
14912 Evaluate expensiveness of computing # of iterations instead of
14913 the final expression.
14914 * tree-scalar-evolution.h (affine_iv): New structure.
14915 (simple_iv): Declaration changed.
14916 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
14917 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
14918 find_givs_in_stmt): Changed due to simple_iv change.
14920 2006-01-06 Jeff Law <law@redhat.com>
14923 * tree-cfg.c (bsi_replace): Rename final argument from
14924 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
14925 change (stmt -> orig_stmt).
14926 * tree-eh.c (verify_eh_throw_stmt_node): New function.
14927 (bsi_remove): Add new argument. Remove EH information
14929 (verify_eh_throw_table_statements): New function.
14930 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
14932 * tree-optimize.c (execute_free_cfg_annotations): Verify
14933 the EH throw statement table after removing annotations.
14934 * except.h (verify_eh_throw_table_statements): Prototype.
14935 * tree-flow.h (bsi_remove): Update prototype.
14936 * tree-vrp.c (remove_range_assertions): Add new argument to
14938 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
14939 * tree-complex.c (expand_complex_div_wide): Likewise.
14940 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
14941 * tree-tailcall.c (eliminate_tailcall): Likewise.
14942 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
14943 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
14944 * tree-nrv.c (tree_nrv): Likewise.
14945 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
14946 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
14947 (combine_blocks): Likewise.
14948 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
14949 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
14950 (cleanup_control_flow): Likewise.
14951 (remove_forwarder_block): Likewise.
14952 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
14953 * tree-sra.c (sra_replace): Likewise.
14954 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
14955 (forward_propagate_single_use_vars): Likewise.
14956 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
14957 * tree-inline.c (expand_call_inline): Likewise.
14958 * tree-vect-transform.c (vect_transform_loop): Likewise.
14959 * tree-outof-ssa.c (rewrite_trees): Likewise.
14960 * tree-cfg.c (make_goto_expr_edges): Likewise.
14961 (cleanup_dead_labels): Likewise.
14962 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
14963 (bsi_move_before, bsi_move_after): Likewise.
14964 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
14965 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
14967 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
14970 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
14972 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
14973 on non gimple variables. Also add checks at the top for decls and
14975 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
14977 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
14978 and IMAGPART_EXPR for creating MUST_DEFs.
14979 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
14980 and NAME_MEMORY_TAG separately from the DECLs.
14982 2006-01-06 Richard Guenther <rguenther@suse.de>
14984 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
14985 annotation, if necessary.
14986 * tree-ssa-pre.c (create_expression_by_pieces): Remove
14987 redundant calls to update_stmt.
14988 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
14991 2006-01-05 Richard Henderson <rth@redhat.com>
14993 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
14995 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14997 * c-typeck.c: Update copyright date.
14999 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15001 * c-typeck.c (build_c_cast): Always warn when casting
15002 from a pointer to an integer of different size, even if
15003 the node was constant.
15005 2006-01-05 Richard Guenther <rguenther@suse.de>
15007 PR tree-optimization/22555
15008 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
15009 if one structure field is an array.
15010 * tree-ssa-operands.c (get_expr_operands): Continue scanning
15011 operands even if we found a subvar, but ignore VOPs in this
15013 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
15015 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
15017 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
15019 PR middle-end/24998
15020 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
15022 2006-01-05 Richard Guenther <rguenther@suse.de>
15023 Diego Novillo <dnovillo@redhat.com>
15025 * tree-pass.h (TODO_remove_unused_locals): Define.
15026 * gimple-low.c (expand_var_p, remove_useless_vars,
15027 pass_remove_useless_vars): Remove. Update all users.
15028 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
15029 (remove_unused_locals): New function.
15030 * tree-flow.h (remove_unused_locals): Declare.
15031 * passes.c (execute_todo): Call remove_unused_locals if
15032 TODO_remove_unused_locals is set.
15033 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
15034 * tree-ssa-dce.c (pass_dce): Likewise.
15035 * tree-outof-ssa.c (pass_del_ssa): Likewise.
15037 2006-01-05 Richard Guenther <rguenther@suse.de>
15039 * tree-flow.h (struct fieldoff): Decompose field to
15040 type, size and decl.
15041 * tree-ssa-alias.c (create_sft): Take type as parameter.
15042 (create_overlap_variables_for): Store type, size and decl
15043 in the fieldoff structure.
15044 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
15045 of struct fieldoff.
15046 (push_fields_onto_fieldstack): Likewise.
15047 (create_variable_info_for): Likewise. Use offset for the
15048 SFT name if the decl is not available.
15050 2006-01-04 Paul Brook <paul@codesourcery.com>
15052 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
15054 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
15056 * lambda-code.c (can_put_in_inner_loop): Relax
15058 (can_put_after_inner_loop): New function.
15059 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
15060 (perfect_nestify): Change to make copies and modify uses.
15062 2006-01-04 Richard Henderson <rth@redhat.com>
15064 Merge from gomp branch:
15065 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
15066 via integer constant.
15067 (pragma_lex): Remove.
15068 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
15069 rather than parsing it.
15070 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
15071 handle_pragma_extern_prefix): Add %< %> quotes.
15072 (registered_pragmas): New.
15073 (c_register_pragma_1): New.
15074 (c_register_pragma): Use it.
15075 (c_register_pragma_with_expansion): Likewise.
15076 (c_invoke_pragma_handler): New.
15077 (init_pragma): Use cpp_register_deferred_pragma directly for
15079 * c-pragma.h (enum pragma_kind): New.
15080 (pragma_handler): New.
15081 (c_invoke_pragma_handler): Declare.
15082 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
15084 * c-common.h (c_common_pch_pragma): Update decl.
15085 * Makefile.in (c-parser.o): Update dependencies.
15086 (GTFILES): Add c-pragma.h.
15087 * c-parser.c (struct c_token): Add pragma_kind.
15088 (struct c_parser): Add in_pragma.
15089 (c_lex_one_token): Always initialize keyword and pragma_kind.
15090 Extract data for CPP_PRAGMA.
15091 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
15092 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
15093 Don't allow CPP_PRAGMA_EOL if in_pragma.
15094 (c_parser_consume_pragma): New.
15095 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
15096 (c_parser_skip_to_end_of_parameter): Likewise.
15097 (c_parser_skip_to_end_of_block_or_statement): Likewise.
15098 (c_parser_skip_to_pragma_eol): New.
15099 (c_parser_external_declaration): Handle CPP_PRAGMA.
15100 (c_parser_compound_statement_nostart): Likewise.
15101 (c_parser_statement_after_labels): Likewise.
15102 (c_parser_pragma): New.
15103 (pragma_lex): Likewise.
15104 (c_parser_pragma_pch_preprocess): New.
15105 (c_parser_new): Merge into ...
15106 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
15108 2006-01-04 Jeff Law <law@redhat.com>
15111 * tree-cfg.c (bsi_replace): Remove the original statement
15112 from the EH throw statement table.
15114 2006-01-04 Jakub Jelinek <jakub@redhat.com>
15116 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
15117 make the prototype extern "C" and add throw ().
15120 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
15121 and pos non-negative and pos + len <= 32.
15122 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
15123 drop pos + len < HOST_BITS_PER_WIDE_INT test.
15124 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
15127 * c-common.c (handle_vector_size_attribute): Reject zero vector size
15128 as well as sizes not multiple of component size.
15131 * function.c (instantiate_expr): New function.
15132 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
15133 walk its DECL_VALUE_EXPR with instantiate_expr.
15135 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
15136 DW_OP_deref{,_size} if address isn't going to be added.
15138 2006-01-04 Ben Elliston <bje@au.ibm.com>
15140 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
15141 * config/fp-bit.c: Likewise.
15143 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
15145 * dominance.c: Add comment about why we use DFS numbering
15148 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15149 Richard Henderson <rth@redhat.com>
15151 Merge from gomp-branch:
15152 * varasm.c (assemble_variable): Handle thread-local COMMON data.
15153 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
15155 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
15157 PR rtl-optimization/25578
15158 * combine.c (combine_simplify_rtx, force_to_mode): Don't
15159 pass a parameter to simplify_shift_const if changing ASHIFTRT
15162 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
15164 * builtins.c (get_builtin_sync_mem): New function.
15165 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
15166 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
15167 Call get_builtin_sync_mem to generate mem rtx.
15169 2006-01-03 Richard Guenther <rguenther@suse.de>
15172 * stmt.c (add_case_node): Make sure to clear overflow flags
15175 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15177 Merge from gomp-branch.
15178 * config/sparc/sync.md: New file.
15179 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
15180 UNSPECV_LDSTUB): New constants.
15181 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
15182 * config/sparc/predicates.md (memory_reg_operand): New predicate.
15183 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
15186 2006-01-03 Roger Sayle <roger@eyesopen.com>
15188 * combine.c (reg_subword_p): New predicate to test whether the
15189 destination of a set refers to a subword/piece of a register.
15190 (try_combine): Generalize the code to merge the setting of a
15191 pseudo to a constant followed by a set of a subword of that
15192 register to a constant.
15194 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
15196 * basic-block.h (control_flow_graph): Change the type of
15197 x_label_to_block_map to VEC(basic_block,gc) *.
15198 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
15199 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
15201 * tree-ssa-propagate.c (cfg_blocks): Change the type to
15202 VEC(basic_block,heap) *.
15203 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
15204 ssa_prop_fini): Adjust the uses of cfg_blocks.
15206 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
15208 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
15210 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
15211 hashing trees instead of a pointer hash.
15212 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
15213 compare for MEM_EXPR.
15215 PR rtl-optimization/25130
15216 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
15217 when comparing MEMs for GCSE
15219 2006-01-03 Ben Elliston <bje@au.ibm.com>
15221 * targhooks.h (default_decimal_float_supported_p): Declare.
15222 * targhooks.c (default_decimal_float_supported_p): Define.
15223 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
15224 `default_decimal_float_supported_p'.
15225 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
15227 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
15229 * combine.c (apply_distributive_law <SUBREG>): Check
15230 TRULY_NOOP_TRUNCATION.
15232 2006-01-02 Geoffrey Keating <geoffk@apple.com>
15234 * dwarf2out.c (have_switched_text_section): Delete.
15235 (have_multiple_function_sections): New.
15236 (have_location_lists): Make 'bool'.
15237 (add_AT_loc_list): Use 'true' not '1'.
15238 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
15239 (output_loc_list): Use have_multiple_function_sections.
15240 (output_ranges): Likewise.
15241 (dwarf2out_begin_function): Set have_multiple_function_sections if
15243 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
15244 Check function_section rather than DECL_SECTION_NAME.
15245 (dwarf2out_finish): Use have_multiple_function_sections.
15246 Don't clear have_location_lists.
15248 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
15249 Jan Hubicka <jh@suse.cz>
15251 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
15252 case of conditional jump jumping to the next instruction.
15253 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
15254 cases of conditional jump jumping to the next instruction.
15256 2006-01-02 Jan Hubicka <jh@suse.cz>
15258 * i386.c (*_cost): Add COSTS_N_INSNS.
15259 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
15261 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
15264 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
15266 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15268 * config/arm/arm.c (all_fpus): Fix comment typo.
15269 * config/darwin.c: Likewise.
15270 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
15271 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
15272 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
15274 2006-01-01 David Edelsohn <edelsohn@gnu.org>
15276 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
15277 (rs6000_split_compare_and_swapqhi): New.
15278 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
15279 (sync_compare_and_swapqhi_internal): New.
15280 * config/rs6000/rs6000-protos.h: Declare.