1 2006-09-27 Richard Sandiford <richard@codesourcery.com>
3 * reload1.c (alter_reg): Require the alignment of the stack slot to
4 be at least reg_max_ref_width bytes.
5 (scan_paradoxical_subregs): Record the largest width in
8 2006-09-26 Jakub Jelinek <jakub@redhat.com>
12 * tree-nested.c (struct nesting_info): Added static_chain_added.
13 (convert_call_expr): Set static_chain_added when adding static
14 chain. Handle OMP_PARALLEL and OMP_SECTION.
16 2006-09-25 Matthias Klose <doko@debian.org>
18 * doc/invoke.texi: Add missing full stop.
20 2006-09-25 Richard Henderson <rth@redhat.com>
22 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
23 before cgraph_function_flags_ready.
25 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
26 Adam Nemet <anemet@caviumnetworks.com>
28 * tree-ssa-loop-ivopts.c (aff_combination_convert,
29 determine_common_wider_type): New functions.
30 (get_computation_aff): Use them to simplify arithmetic between
31 UBASE and CBASE if they are shortened from the same type.
33 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
36 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
37 -2147483647 - 1 instead of 0x80000000.
39 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
41 * flags.h (HONOR_NANS): Fix typo in comment.
43 2006-09-23 Uros Bizjak <uros@kss-loka.si>
45 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
47 2006-09-23 Jakub Jelinek <jakub@redhat.com>
51 * tree.c (merge_attributes, attribute_list_contained): If both
52 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
54 * c-typeck.c (comptypes_internal): Don't consider aggregates
55 in different TUs as compatible if there one set of attributes is
56 not a subset of the other type's attributes.
57 (composite_type): Try harder not to create a new aggregate type.
59 2006-09-22 Geoffrey Keating <geoffk@apple.com>
61 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
62 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
63 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
64 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
65 than replicating condition above.
66 * config.host (i[34567]86-*-*): Always use driver-i386.o.
68 * config/darwin.h (LINK_SYSROOT_SPEC): New.
69 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
70 the linker by default.
72 2006-09-22 Mike Stump <mrs@apple.com>
74 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
77 2006-09-22 Richard Guenther <rguenther@suse.de>
80 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
81 sort of stack variables stable.
83 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
86 * explow.c (force_reg): Set REG_POINTER flag according to
89 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
91 PR tree-optimization/28888
92 * tree-if-conv.c (combine_blocks): Rewritten.
93 * tree-cfg.c (tree_verify_flow_info): Check that edges with
94 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
96 2006-09-22 Jakub Jelinek <jakub@redhat.com>
98 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
101 2006-09-21 Richard Sandiford <richard@codesourcery.com>
103 * varasm.c (copy_constant): Fix reversed gcc_assert check.
105 2006-09-21 Janis Johnson <janis187@us.ibm.com>
107 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
109 2006-09-21 Roger Sayle <roger@eyesopen.com>
112 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
113 dw_fde_current_label, to be the start of the function, i.e. the same
114 value as dw_fde_begin.
116 2006-09-20 Richard Sandiford <richard@codesourcery.com>
118 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
119 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
120 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
121 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
122 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
123 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
124 (abs<mode>2, neg<mode>2): Likewise.
125 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
126 (*mips_abs_ps): New define_insn.
128 2006-09-20 Josh Conner <jconner@apple.com>
131 * calls.c (expand_call): Allow reuse of structure return stack
134 2006-09-20 Paul Brook <paul@codesourcery.com>
136 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
139 2006-09-20 Janis Johnson <janis187@us.ibm.com>
141 * doc/extend.texi (Decimal Float): Update for latest draft TR,
142 clean up terminology.
144 2006-09-20 Steve Ellcey <sje@cup.hp.com>
147 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
148 with tablejumps in them.
150 2006-09-20 Jakub Jelinek <jakub@redhat.com>
153 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
154 wrap it into TARGET_EXPR.
156 2006-09-20 Eric Christopher <echristo@apple.com>
158 * config/i386/i386.c (x86_fisttp): Remove.
159 * config/i386/i386.h (x86_fisttp): Ditto.
160 (TARGET_FISTTP): Ditto.
162 2006-09-19 Eric Christopher <echristo@apple.com>
164 * doc/tm.texi (OBJC_JBLEN): Describe.
165 * config/i386/darwin.h (OBJC_JBLEN): Define.
166 * config/rs6000/darwin.h: Ditto.
168 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
170 PR rtl-optimization/21299
171 * reload1.c (reload): Purge invalid ASMs in the final pass.
173 2006-09-19 Steve Ellcey <sje@cup.hp.com>
176 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
177 pointers as legitimate constants.
179 2006-09-19 Paul Brook <paul@codesourcery.com>
182 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
184 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
186 PR tree-optimization/28887
187 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
188 component parts from the reference.
189 (gather_memory_references_ref): Record the reference without the
190 nonaddressable component parts.
192 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
195 * c-opts.c (c_common_handle_option): Ignore the -std options
196 if the input language is assembly.
198 2006-09-17 Ira Rosen <irar@il.ibm.com>
201 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
203 (ptr_ptr_may_alias_p): Likewise.
204 (record_record_differ_p): New function.
205 (base_object_differ_p): Call record_record_differ_p.
207 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
210 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
211 away for the expr argument.
213 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
216 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
217 before using it for dumping after vectorizing loops.
219 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
220 Jack Howarth <howarth@bromo.med.uc.edu>
223 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
224 skip on error_mark_node.
225 (rs6000_darwin64_record_arg_recurse): Likewise.
227 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
229 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
230 * doc/rtl.texi: Remove related documentation.
232 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
234 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
237 2006-09-15 Jim Wilson <wilson@specifix.com>
239 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
240 Handle symbol offsets same as they are handled in ia64_expand_move
243 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
245 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
246 Add forgotten parameter to the fprintf call.
248 2006-09-15 Steve Ellcey <sje@cup.hp.com>
250 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
252 2006-09-15 Uros Bizjak <uros@kss-loka.si>
254 * doc/contrib.texi: Add my entry.
256 2006-09-15 Nick Clifton <nickc@redhat.com>
258 * doc/md.texi (Processor pipeline description): Fix typo in
259 example of how to use the absence_set directive and reword the
260 description to make it slightly easier to read.
262 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
264 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
265 * loop-doloop.c (doloop_optimize): Use it to limit costs of
266 expanding the number of iterations.
267 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
269 * cfgrtl.c (emit_insn_at_entry): New function.
270 * rtl.h (emit_insn_at_entry): Declare it.
271 * integrate.c (emit_initial_value_sets): Use it.
273 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
275 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
277 (struct loop_work and related VEC declarations): Delete.
278 (bfin_dump_loops): Print out new member bad.
279 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
280 (bfin_scan_loop): Don't recurse.
281 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
282 loops. No longer need to update outer loops if the current one is
283 found bad. Move some validitiy checks to bfin_discover_loop.
284 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
285 but changed not to check for nesting. Also changed to use the new bad
287 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
288 time. Use bitmap based test to discover loop nesting.
290 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
292 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
295 2006-09-14 Richard Guenther <rguenther@suse.de>
296 Kazu Hirata <kazu@codesourcery.com>
299 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
300 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
301 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
302 with TARGET_FUNCTION_VALUE.
304 2006-09-14 Anatoly Sokolov <aesok@post.ru>
307 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
309 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
311 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
314 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
317 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
320 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
322 * basic_block.h (bb_has_eh_pred): Fix comment.
324 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
326 * flow.c (calculate_global_regs_live): Invalidate eh registers
327 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
328 (propagate_block): Handle eh registers as if they were set at basic
330 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
332 * global.c (global_conflicts): Make eh registers to conflict with
333 pseudos live at basic block begin.
334 * basic_block.h (bb_has_eh_pred): New function.
336 2006-09-13 Richard Sandiford <richard@codesourcery.com>
338 PR rtl-optimization/28982
339 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
340 index of a PRE_MODIFY or POST_MODIFY address.
341 * reload1.c (inc_for_reload): Use find_replacement on the original
342 base and index registers.
344 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
346 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
347 for -Os. Update __m128 alignment requirement.
349 2006-09-13 Jan Hubicka <jh@suse.cz>
351 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
353 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
355 PR rtl-optimization/28243
356 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
357 the insn to which the note was originally attached.
359 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
360 Roger Sayle <roger@eyesopen.com>
362 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
363 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
364 on platforms that don't use dwarf for debug info.
366 2006-09-12 Jason Merrill <jason@redhat.com>
369 * builtins.c (expand_builtin_setjmp_receiver): Clobber
370 hard_frame_pointer_rtx after using it to update the frame pointer.
372 2006-09-12 Roger Sayle <roger@eyesopen.com>
374 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
375 (TARGET_ASM_CLOSE_PAREN): Likewise.
376 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
377 (TARGET_ASM_CLOSE_PAREN): Likewise.
379 2006-09-12 Roger Sayle <roger@eyesopen.com>
382 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
383 frame information for frames larger than 512 Kbytes on Tru64 when
384 using the native assembler.
386 2006-09-12 Roger Sayle <roger@eyesopen.com>
390 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
391 and symbols. Instead use the implementation from cse.c's hash_rtx.
393 2006-09-12 Jan Hubicka <jh@suse.cz>
395 PR rtl-optimization/28071
396 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
397 (vect_transform_loop): Likewise.
398 * tree-vectorizer.c (new_loop_vec_info): Likewise.
399 (new_loop_vec_info): Likewise.
400 (destroy_loop_vec_info): Likewise.
401 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
402 (create_stmt_ann): Likewise.
403 (create_tree_ann): Rename to ...
404 (create_tree_common_ann): ... this one; allocate only the common part
406 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
407 (get_value_handle): Likewise.
408 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
410 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
411 (vinfo_for_stmt): Use stmt annotations.
412 * tree-flow.h (tree_ann_common_t): New type.
413 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
414 (tree_ann, get_tree_ann, create_tree_ann): New.
415 * tree-flow-inline.h (get_function_ann): Do more type checking.
416 (stmt_ann): Likewise.
417 (tree_ann): Rename to ...
418 (tree_common_ann): ... this one; return ony common_ann
419 (get_tree_ann): Rename to ...
420 (tree_common_ann): This one; return only common_ann.
421 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
424 2006-09-11 Geoffrey Keating <geoffk@apple.com>
426 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
429 * dwarf2out.c (dwarf_file_data): New.
430 (enum dw_val_class): Add dw_val_class_file.
431 (struct dw_val_struct): Add val_file.
432 (file_table): Change to a hash table.
433 (file_table_emitted): Delete.
434 (file_table_last_lookup_index): Delete.
436 (last_emitted_file): New.
437 (lookup_filename): Change prototype to return a struct dwarf_file_data.
438 (init_file_table): Delete.
439 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
440 (AT_addr): Add comment.
444 (print_die): Handle dw_val_class_file.
445 (print_dwarf_line_table): Update for new file table structure.
446 (attr_checksum): Do checksum a filename.
447 (same_dw_val_p, same_attr_p): Do compare a filename.
448 (size_of_die): Handle dw_val_class_file.
449 (value_format): Likewise.
450 (output_die): Likewise. Also, call maybe_emit_file here.
451 (struct file_info): Constify filenames. Make file_idx a pointer
452 to a struct dwarf_file_data.
453 (struct dir_info): Constify directory names. Remove 'used' field.
454 (struct file_name_acquire_data): New.
455 (file_name_acquire): New.
456 (output_file_names): Modify to handle new file data structures.
457 (add_src_coords_attributes): Use add_AT_file.
458 (add_call_src_coords_attributes): Likewise.
459 (dwarf2out_imported_module_or_decl): Likewise.
460 (gen_subprogram_die): Modify for new file data structures.
461 (gen_variable_die): Likewise.
462 (file_table_eq): New.
463 (file_table_hash): New.
464 (file_table_last_lookup): New.
465 (lookup_filename): Rewrite to handle new file data structures.
466 (maybe_emit_file): Rewrite to handle new file data structures.
467 (dwarf2out_source_line): Always call lookup_filename and
469 (dwarf2out_init): Create file_table here.
470 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
471 (file_table_relative_p): New.
472 (dwarf2out_finish): Change detection of relative filenames
473 to work with new file data structures. Move output_line_info call
474 after debug_info output.
476 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
481 * config/i386/i386.c (override_options): Always default to 16
484 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
487 * var-tracking.c (dump_dataflow_set): Start dumping at
489 (clobber_variable_part): Kill only the variable part in
490 registers holding it, leaving other variables alone.
492 2006-09-11 Josh Triplett <josh@freedesktop.org>
494 * doc/extend.texi (Other Builtins): Actually use the macro
495 argument in the documentation example for
496 __builtin_types_compatible_p.
498 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
500 PR rtl-optimization/28726
501 * sched-deps.c (sched_analyze_reg): New function extracted from...
502 (sched_analyze_1): ...here. Call it to analyze references to
503 registers. Treat again writes to a stack register as writing to the
505 (sched_analyze_2): ...and here. Call it to analyze references to
506 registers. Treat again reads of a stack register as reading the
509 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
510 David Edelsohn <edelsohn@gnu.org>
513 * config/rs6000/spe.md (frob_df_di): Remove %H.
514 (frob_di_df): Remove %H. Change evmergelo to mr.
515 (frob_di_df_2): Remove %H. Change evldd to two loads.
517 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
519 * doc/cpp.texi: Fix names of charset options.
521 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
524 * config/i386/i386.c (override_options): Use 128-bit
525 stack boundary always for 64bits.
527 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
529 PR rtl-optimization/28636
530 * combine.c (force_to_mode): Test for side-effects before
531 substituting by zero.
532 (simplify_shift_const): Likewise for zero or other constants.
534 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
537 * builtins.c (expand_builtin_setjmp): Force next_lab to be
540 2006-09-10 Richard Sandiford <richard@codesourcery.com>
543 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
544 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
545 returned by mode_for_size, rather than the mode of src itself,
546 to choose between 32-bit and 64-bit patterns.
547 (mips_mem_fits_mode_p): New function.
548 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
549 that the size of the source matches the size of the destination.
550 (mov_<store>l, mov_<store>r): Likewise.
552 2006-09-10 Eric Christopher <echristo@apple.com>
554 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
557 2006-09-09 Eric Christopher <echristo@apple.com>
560 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
563 2006-09-09 Roger Sayle <roger@eyesopen.com>
564 Nicolas Setton <setton@adacore.com>
566 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
568 2006-09-10 Andreas Schwab <schwab@suse.de>
570 * config/m68k/m68k.md (bungt_rev): New pattern.
572 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
573 Dale Johannesen <dalej@apple.com>
576 * regclass.c (struct reg_pref): Update documentation.
577 (regclass): Set prefclass to NO_REGS if memory is the best option.
578 (record_reg_classes): Cope with a prefclass set to NO_REGS.
580 2006-09-08 Eric Christopher <echristo@apple.com>
582 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
583 * config/t-slibgcc-darwin: Support x86_64 multilib.
584 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
585 Return 1 for x86_64-darwin.
586 * config/i386/t-darwin: Add m64 multilib.
587 (LIB2_SIDITI_CONV_FUNCS): Use.
588 (LIB2FUNCS_EXTRA): Ditto.
589 * config/i386/darwin.h: Support x86_64.
590 * config/i386/i386.c (override_options): Turn on flag_pic
591 for x86_64-darwin. Disable flag_omit_pointer.
592 (get_pc_thunk_name): Assert !TARGET_64BIT.
593 (legitimate_address_p): Disable machopic addressing for
595 (legitimize_pic_address): Ditto.
596 (ix86_expand_move): Ditto.
597 (ix86_expand_call): Ditto.
598 (machopic_output_stub): Ditto.
599 * config/darwin.c (machopic_select_section): Support literal16.
600 (machopic_select_rtx_section): Ditto.
601 * config/darwin-sections.def: Ditto.
602 * config/darwin-64.c: New.
604 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
607 * c-tree.h (struct c_arg_info): Add pending_sizes.
608 * c-parser.c (c_parser_parms_declarator,
609 c_parser_parms_list_declarator): Initialize pending_sizes.
610 * c-decl.c (get_parm_info): Initialize pending_sizes.
611 (get_parm_info): Set pending_sizes.
612 (grokdeclarator): Call put_pending_sizes for parameters for
613 function definition only.
615 2006-09-07 Jason Merrill <jason@redhat.com>
618 * varasm.c (output_constant): Only strip actual no-op conversions.
621 * config/i386/i386.c (override_options): Use 128-bit
622 stack boundary if -msse.
624 2006-09-07 Eric Christopher <echristo@apple.com>
626 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
628 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
631 2006-09-07 Geoffrey Keating <geoffk@apple.com>
633 * dwarf2out.c: Remove strange characters from comment above
634 dwarf2out_frame_debug_expr.
636 2006-09-07 Eric Christopher <echristo@apple.com>
638 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
639 * config/darwin.h: ... to here.
641 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
643 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
645 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
646 (TARGET_PARTIAL_FLAG_REG_STALL): New.
648 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
649 TARGET_PARTIAL_FLAG_REG_STALL.
650 (*ashldi3_cconly_rex64): Likewise.
651 (*ashlsi3_cmp): Likewise.
652 (*ashlsi3_cconly): Likewise.
653 (*ashlsi3_cmp_zext): Likewise.
654 (*ashlhi3_cmp): Likewise.
655 (*ashlhi3_cconly): Likewise.
656 (*ashlqi3_cmp): Likewise.
657 (*ashlqi3_cconly): Likewise.
658 (*ashrdi3_cmp_rex64): Likewise.
659 (*ashrdi3_cconly_rex64): Likewise.
660 (*ashrsi3_cmp): Likewise.
661 (*ashrsi3_cconly): Likewise.
662 (*ashrsi3_cmp_zext): Likewise.
663 (*ashrhi3_cmp): Likewise.
664 (*ashrhi3_cconly): Likewise.
665 (*ashrqi3_cmp): Likewise.
666 (*ashrqi3_cconly): Likewise.
667 (*lshrdi3_cmp_rex64): Likewise.
668 (*lshrdi3_cconly_rex64): Likewise.
669 (*lshrsi3_cmp): Likewise.
670 (*lshrsi3_cconly): Likewise.
671 (*lshrsi3_cmp_zext): Likewise.
672 (*lshrhi3_cmp): Likewise.
673 (*lshrhi3_cconly): Likewise.
674 (*lshrqi2_cmp): Likewise.
675 (*lshrqi2_cconly): Likewise.
677 2006-09-07 Uros Bizjak <uros@kss-loka.si>
680 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
681 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
682 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
683 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
684 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
685 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
686 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
687 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
688 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
689 implement only CC setting effects of shift instructions.
691 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
693 * doc/contrib.texi: Add myself.
695 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
698 * stor-layout.c (relayout_decl): Don't zero the alignment if it
701 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
704 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
705 (divsi_inv_m1): Use them.
706 (UNSPEC_DIV_INV_TABLE): New constant.
708 2006-09-06 James E Wilson <wilson@specifix.com>
711 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
712 then call count_or_remove_death_notes.
714 2006-09-06 Jason Merrill <jason@redhat.com>
717 * tree-inline.c (copy_result_decl_to_var): New fn.
718 (declare_return_variable): Use it. Call declare_inline_vars here.
719 (expand_call_inline): Not here.
721 2006-09-06 Diego Novillo <dnovillo@redhat.com>
723 * doc/contrib.texi: Update my entry.
725 2006-09-06 Nick Clifton <nickc@redhat.com>
727 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
729 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
732 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
733 (canonicalize_induction_variables): Likewise.
734 (tree_unroll_loops_completely): Likewise.
735 (tree_ssa_prefetch_arrays): Likewise.
736 (remove_empty_loops): Likewise.
737 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
738 TODO_cleanup_cfg instead of directly calling
739 cleanup_tree_cfg_loop.
740 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
742 (tree_unroll_loops_completely): Likewise.
743 (remove_empty_loops): Likewise.
744 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
745 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
746 of tree_ssa_unswitch_loops.
747 (tree_ssa_loop_ivcanon): Use the return value of
748 canonicalize_induction_variables.
749 (tree_ssa_empty_loop): Use the return value of
751 (tree_complete_unroll): Use the return value of
752 tree_unroll_loops_completely.
753 (tree_ssa_loop_prefetch): Use the return value of
754 tree_ssa_prefetch_arrays.
755 * passes.c (execute_todo): Before Cleanup CFG, set
756 updating_used_alone and after cleanup CFG, call
757 recalculate_used_alone.
759 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
762 * tree-vect-transform.c (vectorizable_condition): Move the check
763 for the type after the check for simple condition.
765 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
766 Kaz Kojima <kkojima@gcc.gnu.org>
769 * mode-switching.c (optimize_mode_switching): Make the destination
770 block of an abnormal edge have no anticipatable mode. Don't
771 insert mode switching code at the end of the source block of
774 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
776 PR rtl-optimization/26847
777 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
778 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
779 (simplify_plus_minus): Count n_constants while filling ops. Replace
780 qsort with insertion sort. Before going through the array to simplify
781 pairs, sort it. Delay early exit until after the first sort, exiting
782 only if no swaps occurred. Simplify pairs in reversed order, without
783 special-casing the first iteration. Pack ops after simplifying pairs.
785 2006-09-05 Anatoly Sokolov <aesok@post.ru>
787 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
788 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
789 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
790 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
792 2006-09-05 Richard Guenther <rguenther@suse.de>
794 PR tree-optimization/28900
795 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
796 compound conditional before creating COND_EXPR condition.
798 2006-09-05 Richard Guenther <rguenther@suse.de>
800 PR tree-optimization/28905
801 * tree-vrp.c (fix_equivalence_set): Manually implement
802 !value_ranges_intersect_p to also handle symbolic ranges.
804 2006-09-05 Richard Guenther <rguenther@suse.de>
807 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
810 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
812 PR rtl-optimization/27616
813 * cse.c (table_size): New static variable.
814 (new_basic_block): Initialize it to 0.
815 (remove_from_table): Decrement it.
816 (insert): Increment it.
817 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
818 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
819 fold_rtx_mem_1 if under the cap.
820 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
821 the lookup of the equivalent expression and test for equality of the
822 first operand of the equivalent expression before in turn looking up
823 an equivalent constant for the second operand.
825 2006-09-02 Geoffrey Keating <geoffk@apple.com>
828 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
829 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
830 pointer, instead of assuming it is possible to derive the
831 correct args size from a call insn.
833 2006-09-02 Jakub Jelinek <jakub@redhat.com>
836 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
837 (fold_builtin_mempcpy): Rename to...
838 (fold_builtin_memory_op): ... this. Optimize one element copy
840 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
842 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
843 (expand_builtin_memcpy, expand_builtin_mempcpy,
844 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
845 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
846 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
847 BUILT_IN_MEM{CPY,PCPY,MOVE}.
849 2006-09-01 DJ Delorie <dj@redhat.com>
851 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
853 ("stzx_24_<mode>"): Likewise.
854 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
855 ("cmp<mode>_op"): New.
856 (cmp<mode>): Change to expander; just save operands.
858 (b<code>): Change to expander, emit compare here.
859 (s<code>_op): Change to use split and expander.
860 (s<code>_24_op): Likewise.
861 (s<code>_<mode>): New.
862 (s<code>_<mode>_24): New.
863 (movqicc_<code>_<mode): New.
864 (movhicc_<code>_<mode>): New.
867 * config/m32c/m32c.c (compare_op0, compare_op1): New.
868 (m32c_pend_compare): New.
869 (m32c_unpend_compare): New.
870 (m32c_expand_scc): New.
871 (m32c_expand_movcc): Emit the compare also.
872 * config/m32c/predicates.md (mra_nopp_operand): New.
874 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
875 Richard Guenther <rguenther@suse.de>
876 Adam Nemet <anemet@caviumnetworks.com>
879 * builtins.c (get_pointer_alignment): Handle more forms
880 of base addresses that can be used to derive more precise
881 information about alignment.
883 2006-09-01 Jason Merrill <jason@redhat.com>
886 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
889 * gimplify.c (voidify_wrapper_expr): Handle null type.
891 2006-09-01 Josh Conner <jconner@apple.com>
894 * tree-nrv.c (dest_safe_for_nrv_p): New function.
895 (execute_return_slot_opt): Use it.
897 2006-08-31 Josh Conner <jconner@apple.com>
900 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
901 returning aggregates.
903 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
905 PR tree-optimization/28839
906 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
907 blocks in that phi arguments appear.
909 2006-08-31 Roger Sayle <roger@eyesopen.com>
912 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
913 NULL, otherwise use an advance_loc4 to adjust relative to the
915 (output_cfi) <DW_CFA_set_loc>: Update the current label.
916 (dwarf2out_switch_text_section): Reset the current label to avoid
917 using advance_loc4 over section boundaries.
919 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
922 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
923 r12 + SYMBOLIC_CONST.
925 2006-08-30 Richard Guenther <rguenther@suse.de>
927 * Makefile.in (see.o): Add $(EXPR_H) dependency.
929 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
931 PR rtl-optimization/27735
932 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
933 Add new argument to keep track of whether an irreducible region
934 was affected. All callers changed.
935 (fix_irreducible_loops): Removed.
936 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
937 flags were invalidated.
939 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
941 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
942 instead of SF operands.
943 (*fop_df_comm_sse): Likewise.
944 (*fop_df_comm_i387): Likewise.
945 (*fop_df_1_mixed): Likewise.
946 (*fop_df_1_sse): Likewise.
948 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
949 J"orn Rennecke <joern.rennecke@st.com>
951 PR tree-optimization/17506
952 * tree-ssa.c (warn_uninit): If warning about a location outside of
953 the current function, note where the variable was declared.
955 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
957 PR tree-optimization/28411
958 * double-int.c (double_int_div): Use double_int_divmod.
959 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
960 double_int_mod, double_int_smod, double_int_umod): New functions.
961 * double-int.h (double_int_divmod, double_int_sdivmod,
962 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
964 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
966 (get_computation_aff, get_computation_cost_at): Handle double_int
967 return type of constant_multiple_of.
969 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
972 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
973 an implicit conversion.
975 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
977 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
979 2006-08-27 Roger Sayle <roger@eyesopen.com>
981 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
984 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
986 * config/i386/crtfastmath.c: Fix a comment typo.
988 2006-08-26 Roger Sayle <roger@eyesopen.com>
990 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
991 temporary visit flags on CASE_LABEL_EXPRs.
992 * c-common.c (match_case_to_enum): Add function comment. Avoid
993 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
994 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
995 CASE_HIGH_SEEN for enumerated types. If the switch expression is
996 a constant, only warn if that constant value isn't handled.
998 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
1001 * input.h (restore_input_file_stack): Declare.
1002 (INPUT_FILE_STACK_BITS): Define.
1003 * toplev.c (fs_p, input_file_stack_history,
1004 input_file_stack_restored, restore_input_file_stack): New.
1005 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
1006 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
1007 (pop_srcloc): Don't free old state of stack.
1009 2006-08-26 David Edelsohn <edelsohn@gnu.org>
1012 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
1013 (PowerPC Type Attributes): New.
1015 2006-08-26 Bob Wilson <bob.wilson@acm.org>
1017 * config/xtensa/xtensa.c (function_arg_boundary): New.
1018 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
1020 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
1021 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
1023 2006-08-26 Jakub Jelinek <jakub@redhat.com>
1026 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
1029 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1031 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
1032 (verify_local_live_at_start): Likewise.
1034 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1037 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
1038 omp_add_variable): Treat sizes as variable whenever not
1041 2006-08-26 Richard Guenther <rguenther@suse.de>
1044 * fold-const.c (fold_binary): Fold temporary to correct
1045 type before constructing new comparison.
1047 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
1050 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
1051 variable again if DECL_SEEN_IN_BIND_EXPR_P.
1053 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1056 * c-decl.c (start_function): Don't try to process prototype
1057 information from old declaration that isn't a function.
1059 2006-08-25 Jan Hubicka <jh@suse.cz>
1062 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
1064 2006-08-25 Alan Modra <amodra@bigpond.net.au>
1067 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
1070 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
1072 PR tree-optimization/16876
1073 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
1074 exit if PARM doesn't match VALUE.
1076 2006-08-25 Bob Wilson <bob.wilson@acm.org>
1078 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
1079 literal_prefix directive.
1080 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
1081 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1082 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1084 2006-08-25 David Edelsohn <edelsohn@gnu.org>
1087 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
1088 predicate to general_operand. Add 0->y and I->r alternatives.
1090 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
1092 * doc/tm.texi: Fix a typo.
1093 * predict.c: Fix comment typos.
1095 2006-08-25 Nick Clifton <nickc@redhat.com>
1097 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
1098 assertions of "cpu" and "machine".
1100 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
1103 * tree-ssa-operands.c (access_can_touch_variable): Don't say
1104 the access through a base which has an alias set of 0 cannot
1107 2006-08-24 Bill Wendling <wendling@apple.com>
1109 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
1111 2006-08-24 Jan Hubicka <jh@suse.cz>
1113 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
1115 2006-08-24 Jan Hubicka <jh@suse.cz>
1118 * cgraph.c: Fix comments.
1119 (cgraph_varpool_mark_needed_node): Mark only variables not already
1121 * cgraphunit.c: Update comments; include gt-cgraphunit.h
1122 (cgraph_varpool_assembled_nodes_queue): New static variable.
1123 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
1124 (cgraph_varpool_output_debug_info): New function.
1125 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
1126 * Makefile.in: Add gt-cgraphunit.h
1128 2006-08-24 Jan Hubicka <jh@suse.cz>
1130 * predict.c (probability_reliable_p): New predicate.
1131 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
1132 (predict_loops): Do not predict loop exit with less than 2%
1134 * basic-block.h (edge_probability_reliable_p,
1135 br_prob_note_reliable_p): Declare.
1136 * ia64.h (ia64_print_operand): Do not disable on-chip branch
1137 prediction when static predictor is not reliable.
1138 * rs6000.c (output_cbranch): Likewise.
1140 2006-08-23 Stuart Hastings <stuart@apple.com>
1143 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
1144 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
1146 2006-08-21 Geoffrey Keating <geoffk@apple.com>
1149 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
1150 complex values, nor for generic vector values.
1152 2006-08-22 Richard Guenther <rguenther@suse.de>
1155 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
1156 parameter. Convert arguments to arithmetic expression to the
1158 (analyze_scalar_evolution_1): Adjust caller.
1160 2006-08-22 Jan Hubicka <jh@suse.cz>
1162 Patch by Paolo Bonzini
1163 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
1166 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
1168 PR tree-optimization/28003
1169 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
1170 before grouping aliases.
1172 2006-08-22 Roger Sayle <roger@eyesopen.com>
1174 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
1175 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
1177 2006-08-21 Jason Merrill <jason@redhat.com>
1180 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
1181 wrapper. Loop to handle nested wrappers.
1182 (gimplify_bind_expr): Remove temp parameter.
1183 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
1184 and STATEMENT_LIST on the rhs.
1185 (gimplify_statement_list): Voidify the STATEMENT_LIST.
1186 (gimplify_expr): Pass pre_p to gimplify_statement_list.
1187 (gimplify_target_expr): Remove special BIND_EXPR handling.
1189 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
1191 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
1194 2006-08-21 Olivier Hainque <hainque@adacore.com>
1196 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
1197 Arrange for the temporary captures of components overlapping the lhs
1198 to happen before the lhs is possibly cleared.
1200 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
1202 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
1203 necessary places to pass the correct "number of registers" values
1206 2006-08-20 Jan Hubicka <jh@suse.cz>
1208 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
1209 (create_name_tags): Instead of quadratic checking use hashtable.
1210 * bitmap.h: Include hashtab.h.
1211 (bitmap_hash): Declare.
1212 * bitmap.c (bitmap_hash): New function.
1214 2006-08-20 Jan Hubicka <jh@suse.cz>
1216 PR rtl-optimization/28071
1217 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
1219 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
1220 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
1221 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
1222 cgraph_decide_inlining_incrementally): Update use of
1223 cgraph_check_inline_limits.
1224 * cgraph.c (edge_hash, edge_eq): New function.
1225 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
1226 cgraph_edge_remove_caller, cgraph_node_remove_callees,
1227 cgraph_remove_node): Maintain call site hash.
1228 * cgraph.h (struct cgraph_node): Add call_site_hash.
1229 (cgraph_set_call_stmt): New function.
1231 2006-08-20 Jan Hubicka <jh@suse.cz>
1233 PR rtl-optimization/28071
1234 * reload1.c (reg_has_output_reload): Turn into regset.
1235 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
1236 choose_reload_regs, emit_reload_insns): Update to new
1237 reg_has_output_reload.
1239 2006-08-20 Jan Hubicka <jh@suse.cz>
1242 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
1243 function body sizes.
1244 * cgraphunit.c (cgraph_analyze_function): Don't do so.
1246 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
1249 * tree.c (handle_dll_attribute): Return early if not a
1250 var or function decl.
1252 2006-08-18 Joseph Myers <joseph@codesourcery.com>
1255 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
1256 alignment of SPE vector types.
1258 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
1260 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
1262 2006-08-17 Jakub Jelinek <jakub@redhat.com>
1265 * cgraph.h (struct cgraph_node): Remove externally_visible
1267 * cgraphunit.c (process_function_and_variable_attributes): Set
1268 local.externally_visible rather than externally_visible.
1271 * c-common.c (handle_externally_visible_attribute): First look
1272 at TREE_CODE and only if it is function or var decl, check for
1273 non-public objects. Don't warn for DECL_EXTERNAL.
1274 * cgraphunit.c (process_function_and_variable_attributes): Warn
1275 if externally_visible attribute is used on non-public object.
1277 2006-08-17 Jan Hubicka <jh@suse.cz>
1279 PR tree-optimization/27865
1280 * reload1.c (forget_marked_reloads): New function.
1281 (forget_old_reloads_1): When data are passed, just mark the registers
1283 (reload_as_needed): Use the new mechanizm.
1285 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
1288 * reload.h (reg_equiv_alt_mem_list): New declaration.
1289 * reload1.c (reg_equiv_alt_mem_list): New definition.
1290 (reload): Initialize it and release it.
1291 (delete_output_reload): Use it.
1292 * reload.c (push_reg_equiv_alt_mem): New function.
1293 (find_reloads_toplev): Call it.
1294 (find_reloads_address, find_reloads_address_1): Likewise.
1295 (find_reloads_subreg_address): Likewise.
1297 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1299 PR rtl-optimization/28489
1300 * sched-ebb.c (begin_schedule_ready): Create basic block
1302 (advance_target_bb): Skip empty blocks.
1303 * haifa-sched.c (bb_note): Make global.
1304 * sched-int.h (bb_note): Add prototype.
1306 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1308 PR tree-optimization/27865
1309 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
1311 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
1312 fold_used_pointer, pointer_used_p): New functions.
1313 (analyze_scalar_evolution_1): Use fold_used_pointer.
1314 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
1315 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
1318 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
1321 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
1322 or the INTEGER_CST. Fail on a CALL_EXPR.
1323 (fold_offsetof): Pass new argument to fold_offsetof_1.
1324 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
1325 operand into an INDIRECT_REF.
1326 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
1328 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1330 PR gcov/profile/26570
1331 * value-prof.c (static_values): Removed.
1332 (tree_find_values_to_profile): Do not set static_values.
1333 (find_values_to_profile): Do not free static_values.
1334 * profile.c (instrument_values): Do not free the values.
1335 (branch_prob): Free the values.
1337 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
1339 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
1341 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
1344 * c-typeck.c (build_component_ref): Combine qualifiers of
1345 structure or union and field.
1347 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1349 PR rtl-optimization/28071
1350 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
1351 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
1352 * tree-into-ssa.c (struct dom_dfsnum): New.
1353 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
1355 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
1356 compute_global_livein.
1357 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
1358 in phi nodes in the correct blocks.
1360 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1362 PR tree-optimization/28364
1363 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
1365 (fold_affine_expr): New function.
1366 (may_eliminate_iv): Use fold_affine_expr.
1368 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1371 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
1374 2006-08-16 Mike Stump <mrs@apple.com>
1376 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
1377 * doc/cppopts.texi (-MD): Likewise.
1379 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
1382 * c-common.c (handle_weak_attribute): Ignore and warn if
1383 not a FUNCTION_ or VAR_DECL.
1385 2006-07-15 Mike Stump <mrs@apple.com>
1388 * c-parser.c (c_parser_typeof_specifier): Don't use
1389 c_finish_expr_stmt, open code desired semantics instead.
1391 2006-08-15 Nick Clifton <nickc@redhat.com>
1393 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
1394 fragment to tmake_file only if threads are enabled.
1395 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
1396 * config/i386/t-gthr-win32: New file. ... here.
1398 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1401 * c-parser.c (c_parser_compound_statement_nostart): Reset
1402 parser->error after each statement.
1404 2006-08-15 Jakub Jelinek <jakub@redhat.com>
1407 * omp-low.c (lower_omp_parallel): Convert t to
1408 receiver_decl's type.
1409 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
1410 source before comparison.
1413 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
1414 to itype in assignment to oldival2.
1416 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
1420 * c-typeck.c (build_compound_expr): If the second expression
1421 is an error mark, then just return an error mark instead of
1422 creating a COMPOUND_EXPR.
1424 2006-07-14 Mike Stump <mrs@apple.com>
1426 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
1428 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
1430 * c-decl.c, var-tracking.c: Fix comment typos.
1432 2006-08-14 Richard Sandiford <richard@codesourcery.com>
1434 PR rtl-optimization/28634
1435 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
1436 for floating-point modes unless flag_unsafe_math_optimizations.
1438 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
1439 Andrew Pinski <pinskia@physics.uc.edu>
1442 * tree.c (build_array_type): Unify array types with
1443 unspecified index_type.
1444 * c-decl.c (grokdeclarator): Make sure we do not modify a
1445 unified incomplete array type.
1446 * c-typeck.c (store_init_value): Create distinct type before
1447 filling in the index type in an initializer from a compound
1450 * c-decl.c (grokdeclarator): Remove code where we copy the
1453 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
1455 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
1456 into account for TODO_dump_cgraph.
1457 (TODO_update_ssa_no_phi): Likewise.
1458 (TODO_update_ssa_full_phi): Likewise.
1459 (TODO_update_ssa_only_virtuals): Likewise.
1460 (TODO_remove_unused_locals): Likewise.
1461 (TODO_set_props): Likewise.
1462 (TODO_update_stmt_usage): Likewise.
1464 2006-08-13 Dirk Mueller <dmueller@suse.de>
1466 * c-common.c (strict_aliasing_warning): Fix formatting.
1468 2006-08-13 Matthias Klose <doko@debian.org>
1470 * doc/invoke.texi: Fix spelling errors.
1472 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1474 PR rtl-optimization/23454
1475 * reorg.c (relax_delay_slots): Update comment.
1477 2006-08-11 Richard Guenther <rguenther@suse.de>
1480 * simplify-rtx.c (simplify_const_relational_operation):
1481 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
1484 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
1486 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
1487 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
1489 2006-08-10 Paul Brook <paul@codesourcery.com>
1491 * final.c (final_scan_insn): Clear current_insn_predicate before
1492 outputting inline asm.
1494 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
1496 PR tree-optimization/26197
1497 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
1498 get_ref_base_and_extent and overlap_subvar to add only relevant
1499 subvars as may-aliases.
1500 (add_may_alias_for_new_tag): New function, factored out of
1502 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
1503 with additional argument.
1504 * tree-flow.h (new_type_alias): Takes additional argument.
1506 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
1508 * gcov.c (no_data_file): New flag.
1509 (read_count_file): Set it if data file not present. Assume counts
1511 (output_lines): Don't name the data file, if there wasn't one.
1513 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
1515 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
1516 (rs6000_generate_compare): Tweak comments.
1517 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
1519 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
1521 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
1522 (var_debug_decl): New function.
1523 (var_reg_set): Follow debug decl link. Add location even if
1524 reg is already known to hold some other variable.
1525 (var_mem_set): Follow debug decl link.
1526 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
1527 decl link. Delete other known locations of the variable part
1529 (var_reg_delete, var_mem_delete): Delete other known locations
1530 of the variable part if requested.
1531 (same_variable_part_p): New function.
1532 (add_stores): Select MO_COPY when appropriate.
1533 (vt_initialize): Handle it.
1534 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
1535 known locations for MO_SET and MO_CLOBBER.
1536 (find_variable_location_part): New function.
1537 (set_variable_part, delete_variable_part): Use it.
1538 (clobber_variable_part): New function.
1539 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
1542 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
1544 PR tree-optimization/26969
1545 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
1546 with an empty list of PHIs.
1548 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
1552 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
1555 2006-08-06 Andreas Schwab <schwab@suse.de>
1557 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
1558 string. Whitespace and comment fixup.
1560 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1563 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
1567 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
1570 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
1572 2006-08-04 Jan Hubicka <jh@suse.cz>
1576 * reload.c (push_reload): Patch out the mismatching instruction;
1578 (find_reload): Bail out if the instruction was patched out.
1580 2006-08-04 Jan Hubicka <jh@suse.cz>
1582 PR tree-optimization/24888
1583 * tree-inline.c (expand_call_inline): Do not re-record variables.
1584 (declare_inline_vars): Add variable to unexpanded_var_list.
1586 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1587 Roger Sayle <roger@eyesopen.com>
1589 PR rtl-optimization/26244
1590 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
1591 inner_const are negative or greater than or equal to the bitsize of
1592 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
1593 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
1594 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
1595 CONST0_RTX (mode) when the new shift count is greater than or equal to
1596 to the bitsize of the object being shifted and XEXP (y, 0) has no side
1599 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
1601 * tree-cfg.c: Fix a comment typo.
1603 2006-08-03 Mark Mitchell <mark@codesourcery.com>
1606 * varasm.c (output_constant): Give the front end another chance to
1607 expand constants, after stripping NOPs.
1609 2006-08-03 Jan Hubicka <jh@suse.cz>
1611 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
1614 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
1616 PR tree-optimization/27770
1617 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
1618 declaration removed (moved to tree-flow.h).
1619 (vect_can_force_dr_alignment_p): Likewise.
1620 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
1621 (moved from tree-vectorizer.h).
1622 (vect_can_force_dr_alignment_p): Likewise.
1623 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
1624 from outside the vectorizer - in particular from cgraph stage.
1625 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
1626 the alignment of global arrays when -fsection-anchors is enabled.
1627 * cgraphunit.c (cgraph_increase_alignment): New function.
1628 (cgraph_optimize): Call cgraph_increase_alignment.
1630 2006-08-03 David Edelsohn <edelsohn@gnu.org>
1633 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
1634 not reload a SPE symbol_ref into a lo_sum address.
1636 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
1639 * dwarf2out.c (prune_unused_types_prune): Move call to
1640 prune_unused_types_update_strings to cover the parent DIE also.
1642 2006-08-02 Jan Hubicka <jh@suse.cz>
1644 PR gcov/profile/28480
1645 * tree-cfg.c (change_bb_for_stmt): New function.
1646 (tree_merge_blocks, tree_split_blocks): Use it.
1648 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1654 * toplev.c (compile_file): Return early on errorcount or sorrycount.
1655 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
1656 (cgraph_optimize): Likewise.
1658 2006-08-01 Stuart Hastings <stuart@apple.com>
1660 * rtl.h (UINTVAL) New.
1661 * config/rs6000/rs6000.c (SMALL_INT) Use it.
1662 * testsuite/gcc.dg/20060801-1.c: New.
1664 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
1667 * c-typeck.c (build_external_type): Mark used enum types.
1668 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
1670 (gen_subprogram_die): Whitespace fix.
1672 2006-08-01 Jan Hubicka <jh@suse.cz>
1674 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
1675 bitmap when not needed.
1676 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
1679 2006-08-01 Dirk Mueller <dmueller@suse.de>
1681 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
1683 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1685 * Makefile.in: Revert part of previous patch:
1686 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
1689 2006-07-30 Eric Christopher <echristo@apple.com>
1692 * doc/extend.texi (i386 Variable Attributes): Add anchor.
1693 (PowerPC Variable Attributes): New section.
1695 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
1697 PR target/28126 (partial fix)
1698 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
1700 2006-07-28 Jan Hubicka <jh@suse.cz>
1702 PR rtl-optimization/28071
1703 * cfgrtl.c (rtl_delete_block): Free regsets.
1704 * flow.c (allocate_bb_life_data): Re-use regsets if available.
1706 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1708 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
1709 and variables used in dependencies.
1711 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
1713 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
1714 %fs for -mcmodel=kernel.
1715 (stack_tls_protect_test_di): Likewise.
1717 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
1719 * Makefile.in: Use mkinstalldirs.
1721 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
1724 * opts-common.c (prune_options): Skip joined switches.
1726 2006-07-27 Jan Hubicka <jh@suse.cz>
1728 PR rtl-optimization/28071
1729 * cselib.c (cselib_process_insn): Don't remove useless values too
1730 often for very large hashtables.
1732 2006-07-27 Jan Hubicka <jh@suse.cz>
1734 PR rtl-optimization/28071
1735 * global.c (greg_obstack): New obstack.
1736 (allocate_bb_info): Use it.
1737 (free_bb_info): Likewise.
1738 (modify_reg_pav): Likewise.
1740 2006-07-27 Roger Sayle <roger@eyesopen.com>
1742 * builtins.c (fold_fixed_mathfn): When long and long long are the
1743 same size, canonicalize llceil*, llfloor*, llround* and llrint*
1744 functions to their lceil*, lfloor*, lround* and lrint* forms.
1746 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1749 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
1751 (rev_branch_insn): Likewise.
1753 2006-07-27 Jan Hubicka <jh@suse.cz>
1755 PR rtl-optimization/28071
1756 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
1757 (reg_set_in_bb, max_reg_computed): New static variables.
1758 (regmove_optimize): Free the new array.
1759 (fixup_match_1): Update call of reg_is_remote_constant_p.
1761 2006-07-26 Jan Hubicka <jh@suse.cz>
1763 PR tree-optimization/27882
1764 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
1766 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
1768 (cgraph_analyze_compilation_unit): Likewise.
1769 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
1770 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
1771 (cgraph_early_inlinine): Make order garbage collected.
1772 * Makefile.in (gt-ipa-inline): New garbagecollected file.
1774 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1776 * dbxout.c (output_types_sort): Add a comment.
1777 (output_used_types): Free the VEC.
1779 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1781 * function.c (reorder_fix_fragments): Delete.
1782 (reorder_blocks): Don't call it.
1783 (reorder_blocks_1): Put all subblocks under the origin block.
1785 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
1787 PR rtl-optimization/27907
1788 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
1791 2006-07-25 Roger Sayle <roger@eyesopen.com>
1794 * convert.c (convert_to_integer): When transforming (T)foo(x) into
1795 bar(x) check that bar's result type can represent all the values of T.
1797 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
1799 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
1801 2006-07-25 Nick Clifton <nickc@redhat.com>
1803 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
1804 size_lookup[] array.
1805 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
1806 (ggc_pch_count_object): Likewise.
1807 (ggc_pch_alloc_object): Likewise.
1808 (ggc_pch_write_object): Likewise.
1809 (init_ggc): Do not attempt to initialize entries in the
1810 size_lookup[] array for objects whose size is greater than than
1811 the length of the array.
1813 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
1815 * dbxout.c (output_used_types_helper): Push queued types
1817 (output_types_sort): New.
1818 (output_used_types): Collect used types on a VEC and sort them
1821 2006-07-24 Richard Guenther <rguenther@suse.de>
1824 * cgraph.c (cgraph_remove_node): Do not check if dumps
1826 * cgraphunit.c (cgraph_optimize): Likewise.
1828 2006-07-24 Jan Hubicka <jh@suse.cz>
1830 PR rtl-optimization/28071
1831 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
1832 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
1833 splitting before first stmt.
1835 2006-07-24 Jan Hubicka <jh@suse.cz>
1837 PR rtl-optimization/28071
1838 * ipa-inline.c (update_caller_keys): Remove edges that
1839 are no longer inline candidates.
1841 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
1844 * dbxout.c (output_used_types_helper, output_used_types): New.
1845 (dbxout_symbol): Call output_used_types.
1847 2006-07-23 Jan Hubicka <jh@suse.cz>
1851 * cgraph.c (cgraph_varpool_nodes): Export.
1852 (decide_is_variable_needed): Ignored "used" attribute in
1853 unit-at-a-time mode.
1854 * cgraph.h (cgraph_varpool_nodes): Declare.
1855 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
1856 unit-at-a-time mode.
1858 2006-07-23 Roger Sayle <roger@eyesopen.com>
1861 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
1862 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
1863 the __gthrw form of thr_keycreate.
1864 (__gthread_key_delete): Silence the unused argument warning.
1866 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
1869 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
1870 Cache the last found '\0' marker to avoid quadratic behavior.
1872 2006-07-23 Jan Hubicka <jh@suse.cz>
1874 * i386.md (subsi_3_zext): Fix output template.
1876 2006-07-21 Mike Stump <mrs@apple.com>
1878 * doc/invoke.texi (C++ Dialect Options): Note that
1879 -fvisibility-inlines-hidden doesn't affect explicitly
1880 instantiationed inline methods.
1882 2006-07-20 Roger Sayle <roger@eyesopen.com>
1884 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
1885 if the target assembler is GNU binutils' gas.
1886 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
1887 whether to pass GNU gas or native as command line options.
1889 2006-07-20 Jason Merrill <jason@redhat.com>
1891 * tree.c (remove_attribute): New fn.
1892 * tree.h: Declare it.
1894 2006-07-20 Paul Brook <paul@codesourcery.com>
1897 * cse.c (cse_insn): Add destination addresses to hash table. Check if
1898 they are invalidated by this instruction.
1900 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
1903 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
1905 2006-07-20 Eric Christopher <echristo@apple.com>
1908 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
1910 2006-07-19 Eric Christopher <echristo@apple.com>
1912 * config/t-slibgcc-darwin (stmp-lipo): Remove.
1913 Rewrite dependencies for libgcc_s.1.dylib.
1915 2006-07-19 Jakub Jelinek <jakub@redhat.com>
1917 * except.c (duplicate_eh_regions_1): Clear next_peer.
1919 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
1921 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
1922 -mlongcall does not guarantee all calls will be long.
1923 * doc/extend.texi (long_call/short_call): Document that longcall
1924 does not guarantee a long call will be used.
1925 (longcall/shortcall): Likewise.
1927 2006-07-18 Roger Sayle <roger@eyesopen.com>
1930 * expmed.c (expand_shift): Additionally check that the shift_cost
1931 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
1932 before implementing a LSHIFT_EXPR as a sequence of additions.
1933 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
1934 middle-end that DImode shifts need to be synthesized by expand.
1936 2006-07-18 Diego Novillo <dnovillo@redhat.com>
1939 * tree-ssa-operands.c (access_can_touch_variable): Update
1941 Return true if ALIAS is .GLOBAL_VAR.
1943 2006-07-18 David Daney <ddaney@avtrex.com>
1945 * gcc.c (display_help): Fix typo in help text.
1947 2006-07-18 Olivier Hainque <hainque@adacore.com>
1949 * tree.h (categorize_ctor_elements): Adjust prototype and add
1950 descriptive comment, both in accordance with the interface change
1952 * varasm.c (constructor_static_from_elts_p): New function.
1953 Whether a constructor node is a valid static constant initializer
1954 if all its elements are.
1955 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
1956 * output.h: Declare it.
1957 * expr.c (categorize_ctor_elements_1): Return whether the constructor
1958 is a valid constant initializer instead of computing the number of
1959 non-constant elements. Use constructor_static_from_elts_p for this
1960 purpose. Replace the head comment with an indication that this is a
1961 helper for categorize_ctor_elements.
1962 (categorize_ctor_elements): Same interface change as for the _1
1963 helper. Former head comment from this helper moved here, adjusted to
1964 account for the interface changes.
1965 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
1966 (all_zeros_p): Likewise.
1967 * gimplify.c (gimplify_init_constructor): Decide whether we can make
1968 static versions of the constructor from the categorize_ctor_elements
1969 return value instead of the formerly computed number of non-constant
1972 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
1974 * configure: Regenerate.
1975 * Makefile.in (build_libsubdir): New configure substitution
1976 (build_libobjdir): New variable.
1977 (BUILD_LIBIBERTY): Use it.
1979 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1982 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
1984 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
1987 * c-common.c (handle_weakref_attribute): Ignore attribute in
1988 the same conditions the alias attribute is ignored.
1990 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
1992 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
1993 (dbxout_begin_prologue): Increment scope_labelno.
1995 2006-07-17 Richard Henderson <rth@redhat.com>
1998 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
2001 2006-07-17 Roger Sayle <roger@eyesopen.com>
2002 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2004 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
2005 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
2006 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
2007 functions such as sbrk, write, etc.. Add function prototypes.
2008 Convert function declarations from K&R to ISO C. Cast pointers
2009 to "long" and "unsigned long" instead of "int" and "unsigned int".
2010 Convert tokens following #endif into comments.
2012 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
2014 * invoke.texi: Remove mention of f77; Reformat table for
2015 inline parameter options correctly; mention that -malign-double
2016 is default on x86-64 targets.
2018 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
2020 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
2021 (convert_affine_scev, chrec_convert_aggressive): Use
2022 avoid_arithmetics_in_type_p. Do not check for the subtypes
2025 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2028 * optabs.c (expand_doubleword_shift): Wrap the call to
2029 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
2031 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2034 * optabs.c (expand_binop): Pass next_methods rather than methods
2035 to expand_doubleword_shift.
2037 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
2040 * tree.h (dump_addr): Declare.
2041 * print-tree.c (dump_addr): New function.
2042 (print_node_brief, print_node): Use it.
2043 * print-rtl.c (print_rtx): Likewise.
2044 * common.opt (-fdump-noaddr): New option.
2045 * doc/invoke.texi (-fdump-noaddr): Document.
2046 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
2047 (ve_info_hash): Likewise.
2049 2006-07-13 Andrew Haley <aph@redhat.com>
2051 PR tree-optimization/19505
2052 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
2053 edge leaving this block, make sure that the destination of this
2054 block has only one predecessor.
2056 2006-07-17 Richard Guenther <rguenther@suse.de>
2058 PR tree-optimization/28238
2059 * tree-inline.c (copy_bb): Check if we produced valid
2060 gimple copying and substituting a stmt. If not, gimplify
2063 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
2065 * optabs.c (maybe_encapsulate_block): New function extracted from...
2066 (emit_libcall_block): ...here. Invoke it on the block of insns to
2067 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
2068 (emit_no_conflict_block): Likewise.
2070 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
2072 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
2074 2006-07-15 Roger Sayle <roger@eyesopen.com>
2076 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
2077 a new NOP_EXPR case of the switch statement.
2079 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
2082 * stor-layout.c (place_field): Take the bit field with
2083 an excessive size into account in the ms-bitfiled case.
2086 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
2087 the previous bit field.
2089 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
2092 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
2094 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
2096 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
2097 signal frames correctly even when the signal was installed with
2100 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
2102 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
2103 (dbxout_function_end): Use local label LFBB. Remove hook
2105 (dbxout_source_line): Use local label LFBB.
2106 (dbxout_block): Likewise.
2107 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
2108 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
2109 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
2110 and DBX_OUTPUT_NFUN.
2112 2006-07-13 Janis Johnson <janis187@us.ibm.com>
2114 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
2116 2006-07-13 Jan Hubicka <jh@suse.cz>
2118 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
2120 * output.h (align_variable): Declare.
2121 * varasm.c (align_variable): Export.
2122 * value-prof.c (tree_value_profile_transformations): Recompute iterator
2123 when basic block changed.
2125 2006-07-13 Nick Clifton <nickc@redhat.com>
2127 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
2128 walking the LOG_LINKS chain.
2130 2006-07-12 Geoffrey Keating <geoffk@apple.com>
2132 * doc/invoke.texi (C++ Dialect Options): Explain difference
2133 between -fvisibility-inlines-hidden and setting hidden
2134 visibility explicitly.
2136 2006-07-12 Eric Christopher <echristo@apple.com>
2138 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
2139 (stmp-lipo): Depend on libgcc.a.
2141 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
2143 * tree.c: Fix a comment typo.
2145 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
2147 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
2149 (umulhisi3_r): Likewise.
2151 2006-07-12 Paolo Carlini <pcarlini@suse.de>
2154 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
2155 x < 19, vs wchar_t support.
2157 2006-07-12 Nick Clifton <nickc@redhat.com>
2159 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
2160 instead of -isa=sh4.
2162 2006-07-12 Mike Stump <mrs@apple.com>
2164 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
2166 2006-07-10 Eric Christopher <echristo@apple.com>
2168 * config/t-slibgcc-darwin: Rewrite.
2170 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2173 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
2176 2006-07-08 Matthias Klose <doko@debian.org>
2178 * doc/sourcebuild.texi: Fix typo.
2180 2006-07-07 Mike Stump <mrs@apple.com>
2182 * toplev.c (process_options): Don't give -ffunction-sections may
2183 affect debugging warning for Mach-O.
2185 2006-07-07 James E Wilson <wilson@specifix.com>
2187 * config/mips/mips.md (cpu): Add sb1a.
2188 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
2189 addition to sb1. Adjust comments to clarify SB-1A differences from
2191 (ir_sb1a_load): New. Modify bypasses to use it.
2192 (ir_sb1a_simple_alu): Likewise.
2193 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
2194 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
2195 (mips_issue_rate): Add PROCESSOR_SB1A.
2196 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
2197 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
2198 (TARGET_SB1): Add PROCESSOR_SB1A check.
2199 (TUNE_SB1): Likewise.
2201 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
2202 * config/mips/mips.c (mips_store_data_bypass_p): New.
2203 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
2204 store_data_bypass_p.
2206 2006-07-08 Paul Brook <paul@codesourcery.com>
2209 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
2211 2006-07-07 Richard Guenther <rguenther@suse.de>
2214 * tree.h (build_one_cst): Declare.
2215 * tree.c (build_one_cst): New function.
2216 * tree-ssa-math-opts.c (get_constant_one): Remove.
2217 (insert_reciprocals): Use build_one_cst.
2218 * fold-const.c (fold_plusminus_mult): Likewise.
2220 2006-07-07 Roger Sayle <roger@eyesopen.com>
2222 * pointer-set.c (pointer_set_destroy): Correct whitespace.
2223 * cfgloopanal.c (dump_graph): Likewise.
2224 * dojump.c (discard_pending_stack_adjust): Likewise.
2225 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
2227 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
2228 * function.c (finalize_block_changes): Likewise.
2229 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
2230 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
2231 * rtl.c (dump_rtx_statistics): Likewise.
2232 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
2234 * varray.c (dump_varray_statistics): Likewise.
2235 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
2236 decode_decimal64, encode_decimal128, decode_decimal128,
2237 decimal_real_to_decimal): Likewise.
2239 2006-07-07 Richard Guenther <rguenther@suse.de>
2241 PR tree-optimization/28187
2242 * tree-vrp.c (vrp_operand_equal_p): New function.
2243 (vrp_bitmap_equal_p): Likewise.
2244 (update_value_range): Use them to compare old and new
2247 2006-07-06 Roger Sayle <roger@eyesopen.com>
2249 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
2250 a default case to switch statement to silence compiler warnings.
2252 2006-07-06 Roger Sayle <roger@eyesopen.com>
2255 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
2256 the configured assembler supports the x87's ffreep mnemonic.
2257 * configure: Regenerate.
2258 * config.in: Regenerate.
2260 * config/i386/i386.c (output_387_ffreep): New function.
2261 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
2262 (output_387_reg_move): Likewise.
2264 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
2266 Port to hosts whose 'sort' and 'tail' implementations
2267 treat operands with leading '+' as file names, as POSIX
2268 has required since 2001. However, make sure the code still
2269 works on pre-POSIX hosts.
2270 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
2271 which says you should use "tail -c +N" rather than "tail +Nc".
2272 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
2274 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
2276 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
2279 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2282 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
2283 PRE_{INC,DEC} of TFmode.
2285 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2286 Alan Modra <amodra@bigpond.net.au>
2289 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
2292 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2295 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
2296 Remove duplicate gtu.
2298 2006-07-05 Jason Merrill <jason@redhat.com>
2302 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
2303 * c-common.c (handle_packed_attribute): So don't copy it here.
2304 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
2306 2006-07-05 Mike Stump <mrs@apple.com>
2308 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
2310 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
2313 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
2315 2006-07-05 Richard Guenther <rguenther@suse.de>
2318 * config/i386/i386.md (*negdf2_1): Restrict pattern to
2319 TARGET_SSE2 targets if using SSE math.
2320 (*absdf2_1): Likewise.
2322 2006-07-05 Richard Guenther <rguenther@suse.de>
2324 PR tree-optimization/28162
2325 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
2326 make sure to convert the operands to the correct type.
2328 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
2330 PR tree-optimization/28218
2332 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
2333 to calculate and free the dominator information.
2335 2006-07-04 Peter O'Gorman <peter@pogma.com>
2337 * mklibgcc.in: chmod 644 before ranlib during install.
2339 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2340 J"orn Rennecke <joern.rennecke@st.com>
2342 * configure.ac (.eh_frame data check): Use diff -b.
2344 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2347 * Makefile.in (BUILD_RTL): Add build/vec.o.
2348 (build/gencondmd.o): Filter out -fkeep-inline-functions.
2349 (build/genextract): Delete.
2350 (build/genautomata): Likewise.
2352 2006-07-04 Alan Modra <amodra@bigpond.net.au>
2355 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
2356 128-bit IBM long doubles for ABI_V4.
2358 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
2360 * tree.c (range_in_array_bounds_p): New predicate.
2361 * tree.h (range_in_array_bounds_p): Declare it.
2362 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
2363 return a less conservative answer.
2364 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
2365 and flag 'is_group'.
2366 (IS_ELEMENT_FOR_GROUP): New macro.
2367 (FOR_EACH_ACTUAL_CHILD): Likewise.
2368 (next_child_for_group): New helper function.
2369 (can_completely_scalarize_p): Take into account groups.
2370 (sra_hash_tree): Handle RANGE_EXPR.
2371 (sra_elt_eq): Likewise.
2372 (lookup_element): Be prepared for handling groups.
2373 (is_valid_const_index): Delete.
2374 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
2375 instead of is_valid_const_index.
2376 <ARRAY_RANGE_REF>: New case.
2377 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
2378 is_valid_const_index.
2379 <ARRAY_RANGE_REF>: Do not unconditionally punt.
2380 (scan_dump): Dump info for groups too.
2381 (decide_instantiation_1): Likewise.
2382 (decide_block_copy): Assert that the element is not a group.
2383 Propagate decision to groups.
2384 (generate_one_element_ref): Handle RANGE_EXPR.
2385 (mark_no_warning): Iterate over actual childs.
2386 (generate_copy_inout): Likewise.
2387 (generate_element_copy): Likewise.
2388 (generate_element_zero): Likewise.
2389 (generate_element_init_1): Likewise.
2390 (dump_sra_elt_name): Handle RANGE_EXPR.
2392 2006-07-03 Roger Sayle <roger@eyesopen.com>
2394 PR tree-optimization/26251
2395 * tree-ssa-threadupdate.c (redirection_block_p): New function.
2396 (thread_block): When optimizing for size refuse to thread jumps
2397 that would require duplication of blocks other than redirection
2400 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2402 * configure.ac: Fix thinko in previous check-in.
2403 * configure: Regenerate.
2405 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2408 * configure.ac (for lang...): Simplify nesting of conditionals.
2409 Test subdir_requires for non-enabled languages. Move processing
2410 of lang_opt_files and lang_tree_fiels below that test.
2411 * configure: Regenerate.
2412 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
2414 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
2416 * doc/gcov.texi (Invoking Gcov): Add a missing word.
2418 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
2420 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
2423 2006-06-29 Jason Merrill <jason@redhat.com>
2430 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
2431 * c-common.c (c_determine_visibility): Handle it here.
2432 * c-decl.c (finish_decl): Call c_determine_visibility for
2434 * flags.h (enum symbol_visibility): Sort from most to least visibility.
2436 * varasm.c (default_assemble_visibility): Likewise.
2437 * c-common.c (handle_visibility_attribute): Complain about trying
2438 to give visibility to an already defined class, or trying to change
2439 declared visibility. Always attach the attribute.
2444 * attribs.c (decl_attributes): Ignore type-in-place attributes
2445 once the type has been defined.
2447 2006-06-29 Roger Sayle <roger@eyesopen.com>
2450 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
2451 to indicate the cpplib has issued an error message for us.
2453 2006-06-29 Asher Langton <langton2@llnl.gov>
2456 * config/i386/i386.c (ix86_output_function_epilogue): Don't
2457 insert a label at the end of an function under Mach-O.
2459 2006-06-29 Eric Christopher <echristo@apple.com>
2460 Evan Cheng <evan.cheng@apple.com>
2462 * predicates.md (vector_all_ones_operand): New.
2463 (nonimmediate_or_sse_const_operand): Ditto.
2464 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
2465 * config/i386/i386.c (standard_sse_constant_opcode): Define.
2466 (standard_sse_mode_p): Ditto.
2467 (standard_sse_constant_p): Add case for -1 vector.
2468 (ix86_expand_vector_move): Try to use.
2469 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
2470 Call standard_sse_constant_opcode.
2471 (*movv4sf_internal): Ditto.
2472 (*movv2df_internal): Ditto.
2474 2006-06-29 Roger Sayle <roger@eyesopen.com>
2476 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
2477 of XEXP to extract the operands of a MATCH_CODE rtx.
2479 2006-06-28 Andrew Pinski <pinskia@gmail.com>
2481 * tree.c (tree_size): Do not waste tail padding in
2482 struct tree_string and make the size be the same as
2483 build_string will generate.
2485 2006-06-28 Jason Merrill <jason@redhat.com>
2488 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
2489 may_aliases already in the tag's annotations to the bitmap.
2491 2006-06-28 Roger Sayle <roger@eyesopen.com>
2493 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
2495 2006-06-28 Roger Sayle <roger@eyesopen.com>
2497 * genpreds.c (generate_switch_p): New function.
2498 (add_mode_tests): Push the new mode test down inside an AND expr
2499 if this allows the switch-suitable MATCH_CODE to be near the root.
2500 (write_match_code_switch): New function to write a MATCH_CODE as
2502 (write_predicate_stmts): New function to write a predicate RTX
2503 expression as a sequence of statements.
2504 (write_one_predicate_function): Use write_predicate_stmts.
2505 (write_tm_constrs_h): Likewise.
2507 2006-06-26 Fred Fish <fnf@specifix.com>
2509 * config/mips/t-sb1: New file.
2510 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
2513 2006-06-26 DJ Delorie <dj@redhat.com>
2515 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
2517 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
2518 Jayant Sonar <jayants@kpitcummins.com>
2519 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
2521 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
2522 (subsi3, subsi3_1, subsi3_2): New.
2523 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
2524 * config/m32c/mov.md (SI mov peephole): New.
2525 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
2526 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
2528 2006-06-26 Olivier Hainque <hainque@adacore.com>
2530 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
2531 a CALL_EXPR target function declaration.
2533 2006-06-26 Richard Guenther <rguenther@suse.de>
2535 * tree.c (build_string): Do not waste tail padding in
2538 2006-06-26 Richard Guenther <rguenther@suse.de>
2540 * ggc-page.c (init_ggc): Add missing element to size_lookup
2544 2006-06-23 Richard Guenther <rguenther@suse.de>
2546 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2547 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2548 alignment requests instead. Add verification code.
2549 Add struct tree_function_decl and struct tree_binfo size to
2550 extra_order_size_table. Add missing element to size_lookup
2553 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
2556 * fold-const.c (const_binop): Be prepared for self returning zero.
2557 Simplify code handling complex values.
2559 2006-06-24 Olivier Hainque <hainque@adacore.com>
2561 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
2562 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
2565 2006-06-24 Olivier Hainque <hainque@adacore.com>
2567 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
2568 ARRAY_REF, so have the callback called for the low bound expression.
2570 2006-06-23 Janis Johnson <janis187@us.ibm.com>
2572 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
2573 * c-typeck.c (c_common_type): Disallow operations on decimal float
2574 types and other float types.
2575 * convert.c (convert_to_real): Don't ignore conversions involving
2576 decimal float types.
2578 2006-06-23 Olivier Hainque <hainque@adacore.com>
2580 * tree.c (max_int_size_in_bytes): New function, inspired from
2581 code in function.c:assign_temp.
2582 * tree.h (max_int_size_in_bytes): Declare.
2583 * function.c (assign_temp): Use it.
2584 * gimplify.c (create_tmp_var): Relax the assertions on the type
2585 properties, not mandating constant size any more.
2586 (force_constant_size): New static function.
2587 (gimple_add_tmp_var): Use it, forcing variable size to a
2588 constant upper bound if it is not constant on entry.
2590 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
2593 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
2594 for initialization and setting of one_only flag to ...
2595 (i386_pe_encode_section_info): ...here.
2596 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
2597 Recheck that the symbol has not been defined.
2599 2006-06-23 Richard Guenther <rguenther@suse.de>
2601 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2602 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2603 alignment requests instead. Add verification code.
2604 Add struct tree_function_decl and struct tree_binfo size to
2605 extra_order_size_table. Add missing element to size_lookup
2608 2006-06-22 Roger Sayle <roger@eyesopen.com>
2609 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2612 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
2613 call to lang_hooks.types.type_for_mode returned NULL_TREE.
2615 2006-06-23 Ben Elliston <bje@au.ibm.com>
2617 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
2618 negate dn -- manipulate it directly.
2620 2006-06-22 Roger Sayle <roger@eyesopen.com>
2621 Steven Bosscher <stevenb.gcc@gmail.com>
2624 * reload1.c (gen_reload): Call mark_jump_label on the new insns
2625 generated by gen_move_insn to add REG_LABEL notes if necessary.
2627 2006-06-22 Bob Wilson <bob.wilson@acm.org>
2629 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
2630 (leaf_entry): Remove use of MIN_ESA.
2632 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
2634 PR rtl-optimization/28121
2635 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
2638 2006-06-21 DJ Delorie <dj@redhat.com>
2640 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
2642 (mulhisi3_r): Likewise.
2644 2006-06-21 Richard Sandiford <richard@codesourcery.com>
2647 * coverage.c (coverage_counter_alloc): Leave the index type
2649 (coverage_counter_alloc): Use null arguments for operands 2 and 3
2652 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
2654 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
2655 section from the "Options for Code Generation Conventions".
2657 2006-06-21 Richard Henderson <rth@redhat.com>
2661 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
2663 (global_symbolic_operand): Allow weak symbols, even if local_p.
2665 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
2667 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
2668 (find_interesting_uses_address): Punt if above function returns true.
2670 2006-06-21 Richard Guenther <rguenther@suse.de>
2672 * configure: Regenerated.
2674 2006-06-21 Joseph Myers <joseph@codesourcery.com>
2676 * config/mips/mips.c (function_arg): Where one part of a
2677 complex argument is in registers and the other part in the stack,
2678 return a REG not a PARALLEL.
2680 2006-06-21 Mark Mitchell <mark@codesourcery.com>
2682 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
2683 when cross-compiling. Do not substitute libstdcxx_incdir.
2684 * configure: Regenerated.
2686 2006-06-21 Jakub Jelinek <jakub@redhat.com>
2688 * varasm.c (mergeable_string_section): Check for embedded NULs and
2689 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
2690 rather than TREE_STRING_LENGTH bytes.
2692 2006-06-21 Richard Guenther <rguenther@suse.de>
2694 * ggc-page.c (extra_order_size_table): Add var_ann_d,
2695 tree_ssa_name, bitmap_element and phi_node with 4 arguments
2698 2006-06-21 Richrad Guenther <rguenther@suse.de>
2700 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
2701 Limit iteration over the dominators.
2703 2006-06-20 Roger Sayle <roger@eyesopen.com>
2705 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
2706 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
2708 2006-06-20 Richard Guenther <rguenther@suse.de>
2709 Michael Matz <matz@suse.de>
2711 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
2713 * alloc-pool.c (free_alloc_pool_if_empty): New function.
2714 * et-forest.h (et_free_pools): Prototype new function.
2715 * et-forest.c (et_free_tree_force): Free parent occurrence.
2716 (et_free_pools): New function.
2717 * dominance.c (free_dominance_info): Free et-forest alloc
2720 2006-06-20 Roger Sayle <roger@eyesopen.com>
2722 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
2723 integer modes, attempt to directly construct an integer constant.
2725 * fold-const.c (native_encode_vector): Determine the size of each
2726 element from the vector type instead of the first vector element.
2728 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
2729 if all of its elements/components are constant.
2730 (build_constructor_from_list): Likewise.
2732 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
2734 PR tree-optimization/27331
2735 * tree-data-ref.c (free_data_ref): New function.
2736 (create_data_ref): Fail if the data reference has unknown access
2738 (free_data_refs): Use free_data_ref.
2740 2006-06-19 Andrew Pinski <pinskia@gmail.com>
2743 * tree-inline.c (setup_one_parameter): Strip useless
2744 type conversion before adding it to the IR.
2745 (declare_return_variable): Likewise.
2747 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
2750 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
2752 2006-06-19 Mike Stump <mrs@apple.com>
2754 * tree.c (variably_modified_type_p): VM arguments don't make the
2757 2006-06-19 Richard Guenther <rguenther@suse.de>
2759 * tree-ssa-pre.c (try_combine_conversion): Strip useless
2760 type conversions after folding.
2762 2006-06-19 Richard Guenther <rguenther@suse.de>
2764 * ggc-page.c (extra_order_size_tab): Add entries with
2765 size of struct function and basic_block.
2766 (size_lookup): Extend to cover sizes up to 511.
2767 (ggc_alloc_stat): Adjust user.
2768 (ggc_pch_count_object): Likewise.
2769 (ggc_pch_alloc_object): Likewise.
2770 (ggc_pch_write_object): Likewise.
2772 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
2774 * tree-ssa-loop-niter.c (implies_ge_p): New function.
2775 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
2778 2006-06-19 Denis Chertykov <denisc@overta.ru>
2780 * config/avr/libgcc.S : Correct my wrong previous commit.
2782 2006-06-19 Roger Sayle <roger@eyesopen.com>
2785 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
2786 have stripped a SUBREG from the shift count, so we may need to
2787 convert_to_mode back to the type's mode before calling make_tree.
2788 Use new_amount instead of amount to avoid expanding a tree twice.
2790 2006-06-19 Richard Guenther <rguenther@suse.de>
2793 * fold-const.c (operand_equal_p): Check if the argument types
2794 have the same precision before stripping NOPs.
2796 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
2798 Fix PR tree-optimization/27341
2799 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
2801 * tree-complex.c (pass_lower_complex): Update SMT usage.
2803 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
2805 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
2806 Add a new alternative to the constraint strings. Add move of
2807 operand 1 to 3 to the splitter definition.
2808 ("doloop_si_long"): Second contraint alternative removed.
2810 2006-06-08 Anatoly Sokolov <aesok@post.ru>
2812 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
2813 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
2815 (AVR_HAVE_MOVW) Define.
2816 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
2817 (ASM_SPEC): Add avr25.
2818 (LINK_SPEC): Add avr25.
2819 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
2820 (base_arch_s): Add new member 'have_movw_lpmx'.
2821 (avr_arch_types): Init 'have_movw_lpmx'.
2822 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
2823 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
2824 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
2825 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
2826 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
2828 (avr_file_start): Do not output '.arh' derective.
2829 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
2830 (__do_copy_data): Use __AVR_HAVE_LPMX__.
2831 * config/avr/avr.md (mcu_enhanced): Delete.
2832 (mcu_have_movw): Define.
2833 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
2834 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
2835 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
2836 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
2837 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
2838 attiny861 and at86rf401 devices.
2840 2006-06-18 Jie Zhang <jie.zhang@analog.com>
2842 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
2845 2006-06-17 Karl Berry <karl@gnu.org>
2847 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
2848 doc/gccint.texi, doc/install.texi (@dircategory): Use
2849 "Software development" instead of "Programming", following
2850 the Free Software Directory.
2852 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
2854 * config/i386/i386.c (legitimate_tls_address)
2855 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
2856 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
2857 (*tls_dynamic_gnu2_combine_64): Likewise.
2859 2006-06-16 Richard Guenther <rguenther@suse.de>
2862 * fold-const.c (negate_expr_p): Do not introduce undefined
2863 overflow in negating INTEGER_CSTs.
2864 (fold_negate_expr): Rename from negate_expr. Revert last
2865 change for folding BIT_NOT_EXPR. Change semantics to
2866 return NULL_TREE for non-simplified negations. Do not
2867 strip type conversions and unify type handling.
2868 (negate_expr): New function, wrap around fold_negate_expr
2869 but ensure building a tree always. Strip type conversions
2870 here, fold to result type.
2871 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
2873 2006-06-16 Roger Sayle <roger@eyesopen.com>
2876 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
2877 that (would) return their results in stack registers.
2879 2006-06-16 Michael Matz <matz@suse.de>
2880 Richard Guenther <rguenther@suse.de>
2882 * fold-const.c (fold_truthop): Only return new tree node if
2883 we canonicalized something.
2885 2006-06-16 Richard Guenther <rguenther@suse.de>
2887 * function.h (enum function_frequency): Move declaration
2888 out of struct function.
2889 (struct function): Move bool fields and the enum to the bitfield
2890 section. Reorder elements to avoid padding. Remove unused
2891 fields left over from the RTL inliner removal.
2892 * function.c (free_after_compilation): Do not zero removed fields.
2893 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
2894 (ipa-type-escape.o): Likewise.
2896 2006-06-16 Richard Guenther <rguenther@suse.de>
2898 * cgraph.h (struct cgraph_local_info): Turn bool elements
2900 (struct cgraph_node): Likewise.
2901 (struct cgraph_varpool_node): Likewise.
2903 2006-06-15 Richard Guenther <rguenther@suse.de>
2905 * fold-const.c (fold_truth_not_expr): Rename from
2906 invert_truthvalue. Give it fold_* semantics to avoid
2908 (invert_truthvalue): New function. Wrapper around
2909 fold_truth_not_expr.
2910 (optimize_minmax_comparison): Avoid creating garbage.
2911 (fold_unary): Use fold_truth_not_expr for folding
2913 (fold_ternary): Replace uses of invert_truthvalue with
2914 fold_truth_not_expr where applicable.
2915 * tree.h (fold_truth_not_expr): Prototype.
2917 2006-06-16 Richard Guenther <rguenther@suse.de>
2919 PR tree-optimization/27781
2920 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
2921 * ipa-pure-const.c (target.h): Include.
2922 (analyze_function): Do not analyze functions that do not
2925 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
2928 * tree-dfa.c (referenced_vars_dup_list): Remove.
2929 (find_referenced_vars): Remove assert.
2930 (referenced_var_check_and_insert): Replace dup list with assert.
2931 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
2932 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
2934 2006-06-15 Richard Guenther <rguenther@suse.de>
2936 * tree-ssa-structalias.c (alias_get_name): Avoid creating
2937 extra unused identifiers if not dumping.
2938 (create_variable_info_for): Likewise.
2940 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
2942 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
2943 (derive_constant_upper_bound): Derive more precise upper bound in
2944 common cases. Return type changed to double_int.
2945 (record_estimate): Reflect the changed return type of
2946 derive_constant_upper_bound.
2947 * double-int.c (double_int_zext, double_int_sext): Fix.
2949 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
2951 * configure.ac (CFLAGS): Get them from the toplevel or from the
2952 configure invocation.
2953 * configure: Regenerate.
2954 * Makefile.in (CFLAGS): Substitute value provided by configure.
2956 2006-06-14 Mark Mitchell <mark@codesourcery.com>
2959 * c-common.h (c_finish_omp_atomic): Adjust declaration.
2960 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
2961 rather than calling add_stmt on it.
2962 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
2964 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
2967 * reload1.c (reload): Remove registers returned by update_eliminables
2968 from used_spill_regs.
2970 2006-06-13 DJ Delorie <dj@redhat.com>
2972 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
2974 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
2976 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
2977 html__strip_dir, html__mkdir_p. Enhance install-html target.
2978 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
2979 * configure: Regenerate.
2981 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
2983 * fold-const.c (fold_cond_expr_with_comparison): Check for
2984 Objective-C++ as language in deciding COND_EXPR transformation.
2986 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
2989 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
2990 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
2991 * config/sh/lib1funcs.h (SL, SL1): Define.
2992 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
2993 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
2994 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
2995 (OBJS_Os_4_200): New variable.
2996 ($(T)libgcc-Os-4-200.a): Use it.
2997 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
2998 when dividing 1 and/or by 0.
3000 2006-06-13 Roger Sayle <roger@eyesopen.com>
3002 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
3003 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
3004 * configure: Regenerate.
3006 2006-06-13 Jie Zhang <jie.zhang@analog.com>
3008 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
3009 for real instruction.
3011 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3014 * haifa-sched.c (check_cfg): Handle special case.
3016 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
3019 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
3020 Add debug_info parameter. Chain the vars to the BLOCK instead
3021 of the BIND_EXPR if debug info are requested for them.
3022 (pop_gimplify_context): Adjust for above change.
3023 (gimple_add_tmp_var): Likewise.
3024 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
3026 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
3027 (convert_local_reference): Likewise.
3028 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
3029 (finalize_nesting_tree_1): Request that debug info be emitted
3030 for debug_var_chain.
3032 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3034 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
3035 for PR target/27863.
3037 2006-06-13 Richard Guenther <rguenther@suse.de>
3040 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
3042 2006-06-13 Richard Guenther <rguenther@suse.de>
3044 PR tree-optimization/27830
3045 * tree-inline.c (copy_body_r): For copying the operand
3046 of an ADDR_EXPR make sure to fold &* afterwards.
3048 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
3050 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
3051 lvalues in the fb_none case with side-effects.
3053 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
3055 * tree-flow.h: Remove the prototype for
3056 compute_phi_arg_on_exit.
3057 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
3058 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
3061 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
3063 * builtins.c (expand_builtin_return_addr): Only use
3064 frame_pointer_rtx when count == 0 and we are expanding
3065 __builtin_return_address.
3067 2006-06-12 Fred Fish <fnf@specifix.com>
3069 * config/mips/mips.c (mips_file_start): Create special section
3070 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
3072 2006-06-11 Eric Christopher <echristo@apple.com>
3075 * stor-layout.c (place_field): Remove check for
3076 remaining_in_alignment when aligning at the end of a run.
3078 2006-06-11 Eric Christopher <echristo@apple.com>
3081 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
3084 2006-06-11 Roger Sayle <roger@eyesopen.com>
3087 Revert incorrect fix for PR target/27158
3088 2006-05-08 Roger Sayle <roger@eyesopen.com>
3089 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3090 of a reg_equiv_constant if the result is a legitimate constant.
3092 2006-06-11 Roger Sayle <roger@eyesopen.com>
3095 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
3096 extract a CONST_VECTOR element and interpret it as an integer.
3097 (vspltis_constant): Use const_vector_elt_as_int instead of the
3098 macro CONST_VECTOR_ELT in order to handle FP vector modes.
3099 * config/rs6000/predicates.md (easy_vector_const): Consider
3100 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
3102 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
3105 * stor-layout.c (update_alignment_for_field): Don't add extra
3106 alignment for packed non-bitfield fields in ms_bitfield_layout_p
3109 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
3111 * config/mips/t-rtems: Add EL/EB multilib variants.
3113 2006-06-09 Mike Stump <mrs@apple.com>
3115 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
3117 2006-06-09 David Daney <ddaney@avtrex.com>
3119 * doc/install.texi: Add binutils version recommendation for mips-*-*.
3121 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
3123 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
3125 2006-06-09 Richard Guenther <rguenther@suse.de>
3127 PR tree-optimization/26998
3128 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
3129 of signed types, only TYPE_MIN_VALUE is special, but for both,
3130 minimum and maximum value. Likewise VR_ANTI_RANGE is special
3131 in this case, as is -fwrapv.
3133 2006-06-08 Mike Stump <mrs@apple.com>
3136 * config/darwin.c (darwin_asm_output_anchor): Disable
3137 -fsection-anchors on darwin for now.
3138 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
3139 * rs6000/rs6000.c (optimization_options): Likewise.
3141 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3144 * config/i386/i386.c (classify_argument): Skip fields with invalid
3147 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
3149 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
3150 (cse_insn): Likewise for the stack_pointer_rtx.
3152 2006-06-08 Roger Sayle <roger@eyesopen.com>
3154 * tree-ssa-dom.c (record_conditions): Only record "unordered"
3155 conditions from floating point comparisons.
3157 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
3160 * expmed.c (struct alg_hash_entry): Fix type of field T
3161 to match synth_mult argument.
3162 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
3164 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3167 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
3170 2006-06-08 Richard Guenther <rguenther@suse.de>
3173 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
3174 only, if overflow is defined and not trapping.
3175 (negate_expr): Likewise.
3177 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3179 PR tree-optimization/27872
3180 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
3181 flag on the new exit edge of the unrolled loop.
3183 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3185 PR rtl-optimization/26449
3186 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
3188 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
3191 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
3192 referenced_variables with matching DECL_UID's.
3193 (find_referenced_vars): Make sure duplicate list is empty to start.
3194 (referenced_var_p): Remove.
3195 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
3196 Check if var is in the list, and add if needed. Update the duplicate
3197 list if a different var is in the list with the same DECL_UID.
3198 (add_referenced_var): Call routine to check and insert.
3199 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
3200 * tree-flow.h (referenced_vars_dup_list): External declaration.
3202 2006-06-07 Fred Fish <fnf@specifix.com>
3204 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
3207 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
3210 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
3211 the imaginary and real parts of a clobbered register.
3212 Emit insn to set the imaginary part.
3214 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
3216 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
3217 in lieu of unwind-dw2-fde.c.
3219 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3221 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
3223 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
3226 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
3227 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
3228 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
3229 V4SImode temporaries and operations instead.
3231 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
3233 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
3236 2006-06-06 Mike Stump <mrs@apple.com>
3238 * Makefile.in: Rename to htmldir to build_htmldir to avoid
3239 installing during build.
3241 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3243 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
3245 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3246 * config/ia64/ia64.c (params.h): New header.
3247 (ia64_optimization_options): New function to adjust parameters.
3248 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
3249 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
3250 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
3252 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
3254 * stor-layout.c (debug_rli): Fix a typo in a debug message.
3256 2006-06-05 Steve Ellcey <sje@cup.hp.com>
3259 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
3261 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
3262 Victor Kaplansky <victork@il.ibm.com>
3264 PR tree-optimization/26360
3265 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
3268 2006-06-04 Roger Sayle <roger@eyesopen.com>
3269 Andrew Pinski <pinskia@physics.uc.edu>
3272 * c-common.c (c_common_truthvalue_conversion): Explicitly check
3273 for LABEL_DECL before calling DECL_WEAK.
3276 * c-typeck.c (build_binary_op): Likewise, explicitly check for
3277 LABEL_DECL and PARM_DECL.
3279 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
3283 * c-decl.c (grokdeclarator): Disallow variably modified types at
3284 file scope. Avoid marking shared array type of constant size as
3287 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3290 * c-common.c (fold_offsetof_1): Handle static members.
3292 2006-06-04 Eric Christopher <echristo@apple.com>
3294 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
3295 (debug_rli): Output value for remaining_in_alignment.
3296 (update_alignment_for_field): Unconditionalize
3297 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
3298 extra alignment code.
3299 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
3300 ms_bitfield_layout_p code. Rewrite handling of structure fields.
3301 * tree.h (record_layout_info_s): Remove prev_packed.
3302 * doc/extend.texi (ms_struct): Add documentation of format.
3304 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
3306 * tree.h: Declare folding_initializer.
3307 * builtins.c (fold_builtin_constant_p): Give definite answer
3308 if folding inside an initializer.
3309 * fold-const.c: Define folding_initializer.
3310 (START_FOLD_INIT): Save and then set folding_initializer.
3311 (END_FOLD_INIT): Restore folding_initializer.
3313 2006-06-04 Richard Guenther <rguenther@suse.de>
3315 PR tree-optimization/27039
3316 * fold-const.c (fold_comparison): Handle pointer comparison
3317 again for all comparison codes. Compare offsets in signed
3319 (fold_binary): Move code from here.
3321 2006-06-03 Roger Sayle <roger@eyesopen.com>
3324 * config/i386/i386.c (construct_container): Split static issued_error
3325 flag into issued_sse_arg_error, issued_sse_ret_error and
3326 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
3327 requires the use of x87 registers and the user explicitly
3328 specified the -mno-80387 command line option.
3330 2006-06-02 Geoffrey Keating <geoffk@apple.com>
3332 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
3333 HAVE_DECL_SIGALTSTACK.
3335 (segv_handler): Use MC_FLD.
3336 * configure.ac: Check for a sigaltstack declaration.
3337 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
3338 * configure: Regenerate.
3339 * config.in: Regenerate.
3341 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
3344 * Makefile.in (stmp-fixinc): Fix typo.
3346 2006-06-02 Roger Sayle <roger@eyesopen.com>
3348 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
3349 are type correct. Clean-up.
3350 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
3351 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
3353 2006-06-01 DJ Delorie <dj@redhat.com>
3355 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
3356 shift, as we've disabled the "switch" insn that needs it.
3358 2006-06-01 Per Bothner <bothner@bothner.com>
3360 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
3361 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
3362 * c-ppoutput.c (cb_define): Don't increment line 0.
3364 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
3366 * doc/invoke.texi: Add cpu_type power6.
3367 * config.gcc: Add cpu_type power6.
3368 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
3369 to power5+ with Altivec.
3370 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
3371 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
3373 2006-05-30 Anatoly Sokolov <aesok@post.ru>
3375 * config/avr/avr.h (SET_ASM_OP): Define.
3377 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
3379 * config/bfin/bfin.c: Fix comment typos.
3381 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3384 * doc/install.texi: Document --enable-bootstrap and
3385 --disable-bootstrap.
3387 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3389 * doc/install.texi: Document that InfoZIP can replace jar.
3391 2006-05-31 Roger Sayle <roger@eyesopen.com>
3393 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
3394 isn't available, directly generate the simpler x87 patterns without
3395 the (use (const_int 0)).
3396 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
3397 implementation isn't available.
3398 (*negdf2_1): Likewise.
3399 (*negxf2_1): XF mode negation is always done using the x87.
3400 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
3402 2006-05-31 Roger Sayle <roger@eyesopen.com>
3404 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
3405 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
3407 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
3409 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3411 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
3412 * config/bfin/bfin.c (basic-block.h): Include.
3413 (struct machine_function): New.
3414 (bfin_init_machine_status): New.
3415 (override_options): Initialize init_machine_status.
3416 (bfin_hardware_loop): New.
3417 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
3418 (DEF_VEC_P (loop_info)): New.
3419 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
3420 (struct loop_info): New.
3421 (loop_info): New typedef.
3422 (struct loop_work): New.
3423 (loop_work): New typedef.
3424 (DEF_VEC_O (loop_work)): New.
3425 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
3426 (bfin_dump_loops): New.
3427 (bfin_bb_in_loop): New.
3428 (bfin_scan_loop): New.
3429 (bfin_optimize_loop): New.
3430 (bfin_reorg_loops): New.
3431 (bfin_reorg): Use bfin_reorg_loops.
3432 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
3434 (I_REGNO_P): Simplify.
3435 (DP_REGNO_P, DPREG_P): New macros.
3436 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3437 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
3438 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
3439 Add LT_REGS, LC_REGS, LB_REGS.
3440 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
3442 (REGNO_REG_CLASS): Deal with loop registers.
3443 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
3445 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
3446 New constants for loop registers.
3447 (UNSPEC_LSETUP_END): New.
3448 (seq_insns): New define_attr. Set it for appropriate insns.
3449 (movsi_insn): Add alternatives for move from/to
3450 loop count registers.
3451 (doloop_end): New define_expand.
3452 (loop_end): New define_insn.
3453 (define_split for bad doloop_end): New.
3454 (lsetup_with_autoinit): New define_insn.
3455 (lsetup_without_autoinit): New define_insn.
3456 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
3457 * config/bfin/predicates.md (lc_register_operand): New.
3458 (lt_register_operand): New.
3459 (lb_register_operand): New.
3460 (nondp_register_operand): New.
3461 (nondp_reg_or_memory_operand): New.
3462 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
3464 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3466 * config/bfin/bfin.c (bfin_delegitimize_address): New.
3467 (TARGET_DELEGITIMIZE_ADDRESS): Define.
3469 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
3471 * Makefile.in (CATALOGS): Add po/ prefix.
3472 * configure: Regenerated.
3474 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
3477 * arm.c (arm_print_operand case 'S'): Validate that the operand is
3478 a shift operand before calling shift_op. Avoid redundant call of
3481 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
3482 DJ Delorie <dj@redhat.com>
3484 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
3485 we're inserting is a singlt-bit constant.
3487 2006-05-30 Roger Sayle <roger@eyesopen.com>
3489 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
3490 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
3492 2006-05-30 Roger Sayle <roger@eyesopen.com>
3494 PR tree-optimization/23452
3495 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
3496 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
3497 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
3498 complex values and with -ffast-math for FP complex values.
3500 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
3502 * c-common.h: Remove the prototype for yyparse.
3503 * rtl.h: Remove the prototype for init_loop.
3505 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
3507 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
3510 2006-05-30 Roger Sayle <roger@eyesopen.com>
3512 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
3514 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
3515 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
3517 2006-05-30 Dirk Mueller <dmueller@suse.de>
3520 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
3521 for CONSTANT_CLASS_P expresisons.
3523 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3526 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
3528 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
3530 PR tree-optimization/27779
3531 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
3532 initial_condition instead of CHREC_LEFT.
3534 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
3536 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
3537 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
3538 Make prototypes ISO C90.
3540 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
3541 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3543 * see.c (see_analyze_one_def): Correct check.
3544 (see_get_extension_data): Check if extension is parallel.
3545 (see_get_extension_reg): Likewise.
3547 2006-05-30 Uros Bizjak <uros@kss-loka.si>
3550 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
3551 into register for (code == GTU).
3553 2006-05-29 Roger Sayle <roger@eyesopen.com>
3555 PR tree-optimization/24964
3556 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
3557 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
3558 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
3559 abs(x)*abs(x) as x*x for scalar floating point modes.
3561 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
3564 * lambda-code.c (perfect_nestify): Don't copy statements
3565 in the inner loop: move them to the inner loop header.
3567 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3570 * c-tree.texi: Document OpenMP directives and clauses.
3572 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3574 * varasm.c (globalize_decl): Fix indentation.
3576 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3579 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
3580 pass_fre, pass_store_ccp, pass_copy_prop,
3581 pass_store_copy_prop, pass_merge_phi, pass_nrv,
3582 pass_return_slot, pass_object_size, pass_lim,
3583 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
3584 pass_loop_prefetch and pass_stdarg.
3586 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
3588 * config/bfin/bfin.opt (mfdpic): New option.
3589 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
3590 (EXTRA_MULTILIB_PARTS): Likewise.
3591 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
3592 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
3594 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
3595 (CRT_CALL_STATIC_FUNCTION): New.
3596 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
3598 (CRT_CALL_STATIC_FUNCTION): New.
3599 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
3601 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
3602 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
3603 (initialize_trampoline): Changed to handle FD-PIC code generation.
3604 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
3605 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
3606 (override_options): Disallow -mid-shared-library -mfdpic combination.
3607 Can't do unaligned ops if FD-PIC.
3608 Turn off flag_pic if trying to generate non-id-shared-library
3609 non-fdpic code, since it's not supported.
3610 (bfin_assemble_integer): New function.
3611 (TARGET_ASM_INTEGER): Define.
3612 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
3614 * config/bfin/crtn.s: Restore them.
3615 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
3617 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
3618 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
3619 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
3620 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
3621 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
3623 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
3624 FDPIC_REGS and FDPIC_FPTR_REGS.
3625 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
3626 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
3627 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
3628 (load_funcdescsi): New pattern.
3629 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
3630 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
3631 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
3633 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3635 * gcse.c, rtlanal.c: Remove obsolete comments associated with
3638 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
3640 * tree-flow.h: Remove the prototype for add_type_alias.
3641 * tree-ssa-alias.c (add_type_alias): Remove.
3643 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
3645 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
3646 config/fr30/fr30.md, config/i386/i386-interix.h,
3647 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
3648 config/sh/superh64.h, config/v850/v850.c, df-core.c,
3649 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
3650 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
3651 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
3652 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
3653 Follow spelling conventions.
3654 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
3655 Follow spelling conventions.
3657 2006-05-27 Richard Guenther <rguenther@suse.de>
3660 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
3661 to produce a constant of value 1 of generic type.
3663 2006-05-27 Dirk Mueller <dmueller@suse.de>
3665 * cgraphunit.c (decide_is_function_needed): Fix wrong
3668 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
3670 PR rtl-optimization/27661
3671 * reload.c (find_reloads): When reloading a VOIDmode constant
3672 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
3673 use Pmode as mode of the reload register.
3675 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
3677 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
3678 is enabled at -O and above.
3680 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
3683 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
3686 2006-05-25 Mark Mitchell <mark@codesourcery.com>
3689 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
3690 for anonymous variables explicitly declared by front ends.
3692 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3694 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
3695 (struct alias_info): Add new field ref_all_symbol_mem_tag.
3696 * tree-ssa-alias.c (compute_may_aliases): If the program contains
3697 ref-all pointers, run a finalization pass for them.
3698 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
3699 (finalize_ref_all_pointers): New function.
3700 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
3701 regular pointer type to a ref-all pointer type.
3702 (get_tmt_for): Return the special memory tag for ref-all pointers.
3704 2006-05-25 Richard Guenther <rguenther@suse.de>
3707 * fold-const.c (fold_binary): Do not look at the stripped
3708 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
3710 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3712 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
3713 for LT and GT if the computed range is effectively empty.
3715 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3718 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
3719 mips_quad_format formats instead of ieee_single_format,
3720 ieee_double_format and ieee_quad_format formats, respectively.
3722 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3724 PR tree-optimization/27639
3725 PR tree-optimization/26719
3726 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
3727 call to scev_probably_wraps_p.
3728 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
3729 used_in_pointer_arithmetic_p, convert_step): Removed.
3730 (nowrap_type_p): New function.
3731 (scev_probably_wraps_p): Rewritten.
3732 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
3733 chrec_convert if chrec_convert_aggressive might have been used.
3734 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
3735 scev_direction): New functions.
3736 (chrec_convert): Changed to a wrapper over chrec_convert_1.
3737 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
3738 instead of convert_step.
3739 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
3740 (convert_step): Declaration removed.
3741 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
3743 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
3745 * df-core.c: Added to header comments.
3746 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
3747 df_ur_bb_info, df_urec_bb_info): Added comments.
3748 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
3749 urec, ri problems): Fixed header comments.
3750 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
3751 code from df_rd_transfer_function.
3753 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3755 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
3756 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
3757 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
3759 2006-05-23 Joseph Myers <joseph@codesourcery.com>
3761 * expr.c (undefined_operand_subword_p): New.
3762 (emit_move_multi_word): Do not generate move from undefined bits
3763 of a paradoxical subreg.
3765 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3767 PR rtl-optimization/27736
3768 * combine.c (replaced_rhs_value): New variable.
3769 (combine_instructions): Set it.
3770 (distribute_notes): When distributing a note in replaced_rhs_insn,
3771 check whether the value was used in replaced_rhs_value.
3773 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
3776 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
3777 add_referenced_var instead of add_referenced_tmp_var.
3778 * tree-complex.c (create_one_component_var): Use add_referenced_var.
3779 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
3781 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
3782 tree_optimize_tail_calls_1): Use add_referenced_var.
3783 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
3784 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
3785 Use add_referenced_var.
3786 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
3787 * gimplify.c (force_gimple_operand): Use add_referenced_var.
3788 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
3789 Use add_referenced_var.
3790 * tree-dfa.c (struct walk_state): Remove.
3791 (find_referenced_vars): Remove walk state and vars_found hash table.
3792 (make_rename_temp): Use add_referenced_var.
3793 (find_vars_r): Pass less parameters to add_referenced_var.
3794 (referenced_var_p): New. Is var in referenced_var hash table.
3795 (referenced_var_insert): Assert var isn't already in hash table.
3796 (add_referenced_var): Don't need walk_state parameter. Add var if it
3797 isn't already in the hash table.
3798 (add_referenced_tmp_var): Remove.
3799 (find_new_referenced_vars_1): Use add_referenced_var.
3800 * tree-ssa-pre.c (create_expression_by_pieces,
3801 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
3802 Use add_referenced_var.
3803 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
3804 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
3805 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
3807 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
3808 vect_create_data_ref_ptr, vect_create_destination_var,
3809 vect_init_vector, vect_build_loop_niters,
3810 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3811 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
3812 Use add_referenced_var.
3813 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
3814 * tree-flow.h (add_referenced_tmp_var): Remove prototype
3815 (add_referenced_var): Add prototype.
3816 * tree-ssa-structalias.c (get_constraint_for,
3817 intra_create_variable_infos): Use add_referenced_var.
3819 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
3821 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
3822 big-endian paradoxical subregs.
3823 * var-tracking.c (struct micro_operation_def): Document that,
3824 for modify micro operations, insn is the subsequent instruction.
3825 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
3826 (var_reg_set, var_mem_set): ... new functions.
3827 (add_stores): Record subsequent insn.
3828 (compute_bb_dataflow): Use new functions for MO_USE.
3829 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
3830 notes after the insn, and modify notes before the insn known
3831 to be the subsequent one.
3832 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
3834 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
3837 * config/i386/i386.c (ix86_expand_builtin): Use
3838 gen_sse3_monitor64 for TARGET_64BIT.
3840 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
3842 PR rtl-optimization/26375
3843 PR rtl-optimization/26855
3844 * df-problems (df_ru_bb_local_compute_process_def): Removed update
3846 (df_ru_bb_local_compute): Reversed statements and removed bogus
3847 comment explaining why they should be in wrong order.
3848 (df_ru_dump, df_rd_dump): Enhanced debug info.
3849 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
3851 * ddg.c (add_deps_for_def): Converted use of reaching defs to
3852 reaching uses and fixed space problem.
3854 2006-05-23 Jan Hubicka <jh@suse.cz>
3856 * cgraphunit.c (decide_is_function_needed): Also nested functions
3857 and functions declared inline can be optimized out at -O0.
3859 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
3861 * doc/install.texi (Configuration): Remove reference to CrossGCC
3865 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3868 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
3869 ix86_compare_emitted is non-NULL.
3871 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3874 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
3877 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3879 PR rtl-optimization/25514
3880 * combine.c (replaced_rhs_insn): New variable.
3881 (combine_instructions): Set replaced_rhs_insn when trying to replace
3882 a SET_SRC with a REG_EQUAL note.
3883 (distribute_notes): Use replaced_rhs_insn when determining the live
3884 range of a REG_DEAD register.
3886 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
3887 Anatoly Sokolov <aesok@post.ru>
3889 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
3890 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
3891 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
3892 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
3893 atmega3290, atmega649, atmega6490, atmega406, atmega640,
3894 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
3895 at90usb647, at90usb1286 and at90usb1287 devices.
3896 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3897 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3899 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3901 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
3903 2006-05-22 Richard Guenther <rguenther@suse.de>
3906 2006-01-31 Richard Guenther <rguenther@suse.de>
3907 Paolo Bonzini <bonzini@gnu.org>
3909 * doc/install.texi (--disable-libgcc-math): Document.
3911 2006-05-22 Richard Guenther <rguenther@suse.de>
3914 2006-01-31 Richard Guenther <rguenther@suse.de>
3916 * doc/invoke.texi (-msselibm): Document.
3917 * target.h (expand_library_builtin): New target hook.
3918 * builtins.c (expand_builtin): Use expand_library_builtin.
3919 (default_expand_library_builtin): New function.
3920 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3921 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3922 (link_gcc_math_spec): Declare.
3923 (static_specs): Add link_gcc_math_spec.
3924 * expr.h (default_expand_library_builtin): Declare.
3925 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3926 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3927 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3928 * config/i386/i386.opt (msselibm): New target option.
3929 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3930 (ix86_init_sse_abi_builtins): New function.
3931 (ix86_expand_library_builtin): Likewise.
3932 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3933 (override_options): Handle error conditions wrt -msselibm.
3934 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3935 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3936 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3939 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3942 * c-common.c (self_promoting_args_p): Skip erroneous args.
3945 * c-decl.c (finish_struct): Skip erroneous fields.
3947 2006-05-22 Nick Clifton <nickc@redhat.com>
3949 * config/cris/cris.opt (march): Remove VarExists attribute.
3950 (max-stackframe=): Likewise.
3952 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3954 * doc/rtl.texi: Fix a typo.
3955 * see.c: Fix comment typos.
3957 * tree-ssa-structalias.h (alias_info): Remove num_references.
3959 2006-05-21 Mike Stump <mrs@apple.com>
3961 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
3963 (darwin_pragma_options): Use BAD instead.
3964 (darwin_pragma_unused): Likewise.
3965 (darwin_pragma_ms_struct): Likewise.
3967 2006-05-21 David Edelsohn <edelsohn@gnu.org>
3969 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
3971 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
3973 PR rtl-optimization/27671
3974 * simplify-rtx.c (simplify_relational_operation_1): Fix
3975 simplifications of (eq/ne (xor x y) y) and
3976 (eq/ne (xor x y) x).
3978 PR tree-optimization/26622.
3979 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
3982 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3984 * tree-cfg.c: Prune whitespace.
3985 (debug_tree_cfg): Point to correct header containing the
3988 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3991 * cgraphunit.c (verify_cgraph_node): Typo in error message.
3993 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
3996 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
3997 or sorry count is non zero.
3999 2006-05-20 Andreas Schwab <schwab@suse.de>
4001 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
4003 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
4004 Kenneth Zadeck <zadeck@naturalbridge.com>
4006 PR rtl-optimization/26855
4008 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
4010 (df_scan_alloc): Added code to properly handle multiword hard
4011 registers and add all_blocks parameter.
4012 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
4013 code to properly handle multiword hard registers.
4014 (df_rescan_blocks): Added code to remove deleted blocks from
4016 (df_ref_create_structure, df_ref_record): Added code to properly
4018 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
4019 and set DF_REF_PARTIAL.
4020 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
4021 (df_uses_record): Added DF_REF_PARTIAL for subreg.
4022 (df_scan_add_problem): Added flags parameter.
4023 (df_ref_create_structure): Changed switching structure.
4024 (df_bb_refs_record): Fixed case where duplicate artificial refs
4025 were created. Changed location of flags.
4026 (df_record_entry_block_defs): Added code to make stack pointer
4027 live in entry block. Refined cases where frame pointer is needed.
4028 Changed location of flags.
4029 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
4030 (df_set_state): Removed function.
4031 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
4032 df_insn_create_insn_record, df_insn_refs_delete,
4033 df_ref_create_structure): Formatting changes.
4034 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
4035 df_delete_basic_block): New function.
4036 (df_init): Changed location of flags.
4037 (df_add_problem): Added flags parameter and the way flags are
4039 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
4040 debug_df_chain): Improved debugging output.
4041 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
4042 (df_refs_chain_dump): Removed df parameter.
4043 (df_iterative_dataflow): Added consistency check.
4044 (df_prune_to_subcfg): Made public.
4045 (df_analyze_problem): Added blocks_to_init parameter and made
4047 (df_ref_record, df_bb_refs_record, df_mark_reg,
4048 df_record_exit_block_uses): Whitespace changes.
4049 (df_dump): Whitespace changes.
4050 * df.h: Some reordering to remove forward references.
4051 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
4052 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
4053 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
4054 (dataflow.flags): New field.
4055 (df.flag): Deleted field.
4056 (df_alloc_function): Added additional bitmap parameter.
4057 (df_dependent_problem_function): New type.
4058 (df_problem.changeable_flags): New field.
4059 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
4060 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
4061 (df_mw_hardreg): New struct.
4062 (DF_INSN_UID_MWS): New macro.
4063 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
4065 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
4066 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
4067 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
4068 (df_set_state): Removed function.
4069 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
4070 * df-problems.c (df_chain_dump): Removed df parameter.
4071 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
4072 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
4074 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
4075 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
4076 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
4077 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
4078 DF_REF_MUST_CLOBBER cases.
4079 (df_ru_bb_local_compute_process_def,
4080 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
4081 df_lr_bb_local_compute, df_ur_bb_local_compute,
4082 df_chain_create_bb): Made subreg aware.
4083 (df_ru_bb_local_compute, df_rd_bb_local_compute,
4084 df_lr_bb_local_compute, df_lr_bb_local_compute,
4085 df_chain_create_bb): Cleanup to use proper macros.
4086 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
4087 code to fixup bitvectors.
4088 (df_ri_alloc): Cleared lifetime.
4089 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
4090 df_create_unused_note): New function.
4091 (df_ri_bb_compute, df_ri_compute): Added code to create/update
4092 REG_DEAD and REG_UNUSED notes as well as register information.
4093 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
4094 df_chains_dump): Fixed crash if problem was never run.
4095 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
4096 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
4097 df_ri_add_problem): Processes flags in uniform manner.
4098 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
4099 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
4100 df_rd_dump, df_urec_free_bb_info): Formatting changes.
4101 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
4102 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
4103 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
4104 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
4105 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
4106 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
4107 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
4108 * see.c (see_initialize_data): Ditto.
4109 * final.c (rest_of_clean_state) Added regstack_completed.
4110 * rtl.h (regstack_completed): Ditto.
4111 * reg-stack.c (regstack_completed): Ditto.
4113 2006-05-19 Mike Stump <mrs@apple.com>
4115 * c-tree.h (default_conversion): Remove.
4116 * c-common.h (default_conversion): Add.
4118 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
4120 * tree-vrp.c (valid_value_p): New function.
4121 (adjust_range_with_scev): Fail if the value of bound is not
4124 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4126 * config/mips/linux-unwind.h: Include <asm/unistd.h>
4127 (mips_fallback_frame_state): Use syscall numbers to determine
4128 the appropriate li instruction for the current ABI. Only use
4129 __NR_sigreturn for o32.
4131 2006-05-19 Nicolas Setton <setton@adacore.com>
4133 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
4134 * langhooks.c (lhd_dwarf_name): New function.
4135 * langhooks-def.h (lhd_dwarf_name): Declare.
4136 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
4137 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
4138 * ada/misc.c (gnat_dwarf_name): New function.
4139 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
4141 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4143 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
4145 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
4146 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
4147 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
4148 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
4149 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
4150 determine the size of Wtype, etc.
4151 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
4152 (swfloatfuncs): New variable.
4153 (dwfloatfuncs): Likewise.
4154 (lib2funcs): Remove floating-point conversion functions from
4155 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
4156 the set of conversion routines needed. Allow entries to specify
4157 an object name, filename and word size. Update users accordingly.
4158 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
4159 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
4163 2006-02-08 Roger Sayle <roger@eyesopen.com>
4166 * config/fixtfdi.c: New libgcc source file.
4167 * config/fixunstfdi.c: New source file.
4168 * config/floatditf.c: New source file.
4169 * config/floatunditf.c: New souce file.
4170 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4171 files above instead of config/mips/_tilib.c.
4172 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4174 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4176 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
4177 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
4179 2006-05-18 Mike Stump <mrs@apple.com>
4181 Fix up vla, vm and [*] sematics.
4187 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
4188 (c_vla_unspec_p): Add.
4189 (c_vla_type_p): Add.
4190 * c-decl.c (struct c_scope): Add had_vla_unspec.
4191 (build_array_declarator): Add support for [*].
4192 (grokdeclarator): Likewise.
4193 (grokparms): Likewise.
4194 (get_parm_info): Likewise.
4195 * c-objc-common.c (c_vla_unspec_p): Likewise.
4196 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
4197 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
4198 typeof when argument is a variably modified type not inside sizeof or alignof.
4199 (c_parser_direct_declarator_inner): Propagate errors.
4200 (c_parser_sizeof_expression): Add support for [*].
4201 (c_parser_parms_declarator): Initialize had_vla_unspec.
4202 (c_parser_parms_list_declarator): Likewise.
4203 * c-typeck.c (c_vla_type_p): Add.
4204 (composite_type): Add support for vla compositing.
4205 (comptypes_internal): Add support for vla compatibility.
4206 (c_expr_sizeof_expr): Evaluate vla arguments.
4207 * tree.c (variably_modified_type_p): Update comment for [*].
4209 2006-05-18 Michael Matz <matz@suse.de>
4212 * config.host: Make assignments to host_xmake_file cumulative.
4213 * config.host (*-darwin*): Test $host, not $target.
4215 2006-05-12 Stuart Hastings <stuart@apple.com>
4217 * config/i386/i386.opt (-mstackrealign): New flag.
4218 * config/i386/i386.c (force_align_arg_pointer): New attribute.
4219 (ix86_handle_cconv_attribute): Emit error when
4220 force_align_arg_pointer attribute collides with too many regparms.
4221 (ix86_function_regparm): Limit regparms when used with
4222 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
4223 Support stack-realigning prologue in non-main functions. Emit
4224 warning for nested functions under -mstackrealign, emit error for
4225 nested functions with force_align_arg_pointer attribute.
4226 * doc/extend.texi (force_align_arg_pointer): Document it.
4227 * doc/invoke.texi (-mstackrealign): Document it.
4229 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
4231 PR rtl-optimization/27477
4232 * combine.c (try_combine): Don't split a parallel consisting
4233 of two sets into two individual sets if both sets reference
4236 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
4238 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
4239 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
4241 * doc/options.texi (VarExists): Updated.
4243 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4245 * unwind-dw2.c: Add declarations for uw_update_context and
4247 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
4248 detected, advance frame state and context once to skip over stub.
4250 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4254 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
4255 Call rewrite_into_loop_closed_ssa only when something changed.
4256 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
4257 * lambda-code.c (can_convert_to_perfect_nest): Declared.
4258 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
4259 Test for perfect_nest_p here. Fix formating.
4260 (replace_uses_equiv_to_x_with_y): Fix formating.
4261 (stmt_uses_op): Removed.
4262 (can_convert_to_perfect_nest): Removed loopivs parameter.
4263 Complete the test by checking the scalar dependences.
4264 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
4267 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4270 From Dan Kegel <dank@kegel.com>:
4271 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
4273 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
4275 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
4276 if the element type is variably modified without recursing.
4278 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4281 * tree-loop-linear.c (try_interchange_loops): Test for
4282 no data dependences.
4284 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
4286 PR tree-optimization/27548
4287 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
4288 range of ssa names that appear on abnormal edges.
4289 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
4290 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
4292 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4295 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
4297 2006-05-17 Jakub Jelinek <jakub@redhat.com>
4300 * tree.h (OMP_PARALLEL_COMBINED): Define.
4301 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
4302 (new_omp_context): Add is_combined_parallel argument.
4303 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
4304 new_omp_context caller.
4305 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
4306 Adjust gimplify_scan_omp_clauses callers.
4307 (omp_is_private): Issue errors if iteration variable is firstprivate
4308 or reduction in the current context.
4309 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
4310 on combined parallel workshare constructs.
4312 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4314 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
4315 (gcc-options.o): New rule.
4317 * optc-gen.awk: Protect variables for gcc-options.o with
4318 #ifdef GCC_DRIVER/#endif.
4320 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
4322 Fix PR tree-optimization/27373
4323 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
4324 (forward_propagate_addr_expr): Update call.
4326 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4328 * doc/options.texi: Move the Negative option.
4330 2006-05-16 Richard Guenther <rguenther@suse.de>
4332 PR tree-optimization/22303
4333 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
4335 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
4336 ccp_fold did not simplify the statement.
4338 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4341 * Makefile.in (GCC_OBJS): New.
4342 (OBJS-common): Add opts-common.o.
4343 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
4344 (cpp$(exeext)): Likewise.
4345 (gcc.o): Also depend on opts.h.
4346 (opts-common.o): New.
4348 * common.opt (gcoff): Add Negative(gdwarf-2).
4349 (gdwarf-2): Add Negative(gstabs).
4350 (gstabs): Add Negative(gstabs+).
4351 (gstabs+): Add Negative(gvms).
4352 (gvms): Add Negative(gxcoff).
4353 (gxcoff): Add Negative(gxcoff+).
4354 (gxcoff+): Add Negative(gcoff).
4355 * config/i386/i386.opt (m32): Add Negative(m64).
4356 (m64): Add Negative(m32).
4358 * doc/options.texi: Document the Negative option.
4360 * gcc.c: Include "opts.h".
4361 (main): Call prune_options after expandargv.
4363 * optc-gen.awk: Generate common declarations for all flag
4364 variables in options.c. Output the neg_index field.
4366 * opts.c (find_opt): Moved to ...
4367 * opts-common.c: Here. New file.
4369 * opts.h (cl_option): Add a neg_index field.
4371 (prune_options): Likewise.
4373 2006-05-16 Jakub Jelinek <jakub@redhat.com>
4376 * omp-low.c (expand_omp_parallel): Don't assert
4377 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
4378 instead search for it.
4381 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
4384 2006-05-16 Andreas Schwab <schwab@suse.de>
4386 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
4389 2006-05-15 Roger Sayle <roger@eyesopen.com>
4392 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
4393 integer constants other than zero are only legitimate on TARGET_64BIT.
4394 <CONST_VECTOR> Only zero vectors are legitimate.
4395 (ix86_cannot_force_const_mem): Integral and vector constants can
4396 always be put in the constant pool.
4398 2006-05-16 DJ Delorie <dj@redhat.com>
4400 * crtstuff.c (__dso_handle): Set section from
4401 TARGET_LBIGCC_SDATA_SECTION if defined.
4402 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
4403 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
4405 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
4408 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
4411 2006-05-16 Ben Elliston <bje@au.ibm.com>
4413 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
4415 2006-05-15 Per Bothner <per@bothner.com>
4417 * tree.c: (last_annotated_node): Use source_locus typedef.
4418 This permits bootstrapping with --enable-mapped-location.
4420 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
4422 PR tree-optimization/26830
4423 * tree-into-ssa.c (struct ssa_name_info): Add age field.
4424 (info_for_ssa_name, current_info_for_ssa_name_age,
4425 blocks_to_update): New variables.
4426 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
4427 (clear_ssa_name_info, initialize_flags_in_bb,
4428 mark_block_for_update): New functions.
4429 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
4430 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
4431 prepare_def_site_for): Use mark_block_for_update.
4432 (mark_def_interesting): Assert that the processed block is marked in
4433 blocks_to_update. Do not take blocks argument.
4434 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
4436 (rewrite_update_init_block, rewrite_update_stmt): Only process
4437 blocks with statements to rewrite.
4438 (delete_update_ssa): Do not clear SSA_NAME_AUX.
4439 (update_ssa): Initialize and free blocks_to_update. Do not
4440 clear flags on statements. Do not use blocks bitmap.
4441 * tree.h (SSA_NAME_AUX): Removed.
4442 (struct tree_ssa_name): Removed aux field.
4443 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
4445 2006-05-15 Richard Guenther <rguenther@suse.de>
4447 PR tree-optimization/27603
4448 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4449 Do computations in original type.
4451 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
4453 * see.c: Code style changes such as redundant paranthesis,
4454 redundant intialization of local variables etc.
4455 (see_main): Declared now as static.
4456 * doc/invoke.texi: Update that -fsee is not enabled by
4459 2006-05-15 Jakub Jelinek <jakub@redhat.com>
4461 * omp-low.c (check_omp_nesting_restrictions): New function.
4462 (scan_omp_1): Call it.
4465 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
4466 construct, return *VAR.
4468 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
4470 PR rtl-optimization/27406
4471 * bt-load.c (migrate_btr_def): Skip the block having abnormal
4474 2006-05-14 Roger Sayle <roger@eyesopen.com>
4476 PR rtl-optimization/27538
4477 * combine.c (expand_compound_operation): Call gen_lowpart
4478 before calling simplify_shift_const.
4480 2006-05-14 Roger Sayle <roger@eyesopen.com>
4482 PR rtl-optimization/22563
4483 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
4484 a fixed width bitfield, always force the intermediates into psuedos.
4486 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
4489 * mkconfig.sh: Use operator = instead of == for test.
4491 2006-05-13 Nick Clifton <nickc@redhat.com>
4493 * dwarf2out.c (dbx_reg_number): Check return value from
4494 LEAF_REG_REMAP and only use it if it is valid.
4495 (multiple_reg_loc_descriptor): Likewise.
4497 2006-05-13 Richard Guenther <rguenther@suse.de>
4499 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
4502 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
4504 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
4505 information attached to non-INSNs such as NOTEs.
4506 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
4508 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
4510 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
4512 * config/s390/s390.md: Adjust comment describing On constraint.
4514 2006-05-11 Jan Hubicka <jh@suse.cz>
4516 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
4517 to be output at -O0.
4519 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4522 * fold-const.c (size_binop): Move sanity check for arguments to
4523 the beginning of the function.
4526 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
4529 2006-05-11 Richard Guenther <rguenther@suse.de>
4532 * fold-const.c (fold_unary): Handle intermediate conversion
4533 to a pointer type like intermediate conversion to an integer
4534 type in folding of (T1)(T2)var to var.
4535 Match the code to the comment in the final conversion for
4536 (T1)(T2)var to (T1)var regarding to type precision. Rather
4537 than disallow T1 being of pointer type, assert that both T1
4538 and var are of pointer type or not. Make sure not to fall
4539 over the frontends lazyness wrt array to pointer decay though.
4541 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
4543 * arm.c (arm_struct_value_rtx): Delete.
4544 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
4545 (arm_init_cumulative_args): Always initialize nregs to zero.
4547 2006-05-10 Richard Guenther <rguenther@suse.de>
4549 PR tree-optimization/27532
4550 * tree-object-size.c (plus_expr_object_size): Fix typo.
4552 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
4555 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
4556 ashrdi_const, ashrdi3): Use a scratch register.
4558 2006-05-10 Richard Guenther <rguenther@suse.de>
4560 PR tree-optimization/27302
4561 * fold-const.c (operand_equal_p): For two comparisons,
4562 try comparison of one comparison code swapped if that yields
4565 2006-05-10 Ben Elliston <bje@au.ibm.com>
4567 * tree-pretty-print.c (pretty_print_string): No need to handle
4568 '\0' as a special character.
4570 * tree.h: Include "hashtab.h".
4571 (iterative_hash_expr): Use hashval_t in its prototype.
4572 * Makefile.in (TREE_H): Add $(HASHTAB_H).
4574 2006-05-09 Steve Ellcey <sje@cup.hp.com>
4577 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
4578 (hppa*64*-*-hpux11*): Ditto.
4579 (hppa[12]*-*-hpux11*): Ditto.
4581 2006-05-09 David Edelsohn <edelsohn@gnu.org>
4584 * config/rs6000/aix41.h (TARGET_64BIT): Define.
4586 2006-05-09 Michael Matz <matz@suse.de>
4588 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
4589 host_extra_gcc_objs and host_xmake_file.
4590 (<*-*-linux*>): Don't overwrite host_xmake_file.
4591 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
4592 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
4593 (host_detect_local_cpu): Declare.
4594 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
4595 * config/i386/i386.c (override_options): Handle -mtune=native
4597 * config/i386/x-i386: New file.
4598 * config/i386/driver-i386.c: New file.
4599 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
4602 2006-05-09 Dirk Mueller <dmueller@suse.de>
4603 Richard Guenther <rguenther@suse.de>
4606 * fold-const.c (fold_read_from_constant_string): Relax check
4607 for matching types to matching modes.
4609 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
4611 PR rtl-optimization/27335
4612 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
4615 2006-05-08 Chao-ying Fu <fu@mips.com>
4616 Richard Sandiford <richard@codesourcery.com>
4618 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
4619 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
4620 * config/mips/mips.md (UNSPEC_SCC): New constant.
4621 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
4622 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
4623 (mips_emit_compare): Use it.
4624 (mips_expand_vcondv2sf): New function.
4626 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
4628 Fix PR tree-optimization/27093
4629 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
4630 renaming when they become not-used_alone.
4632 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4634 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
4635 relocation and relocation stubs.
4637 2006-05-08 Eric Christopher <echristo@apple.com>
4639 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
4642 2006-05-08 Jan Hubicka <jh@suse.cz>
4645 * cgraphunit.c (decide_is_function_needed): When not optimizing even
4646 unused static functions are needed.
4648 2006-05-08 Roger Sayle <roger@eyesopen.com>
4651 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4652 of a reg_equiv_constant if the result is a legitimate constant.
4654 2006-05-08 Uros Bizjak <uros@kss-loka.si>
4657 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
4658 standard 80387 constants, raise the cost to prevent
4659 compress_float_constant() to generate load from memory.
4661 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
4663 * config/arm/constraints.md (c): Fix a typo.
4665 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
4668 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
4671 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
4673 (_mm_mwait): Likewise.
4675 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
4677 (sse3_monitor): Make it 32bit only.
4678 (sse3_monitor64): New. 64bit monitor.
4680 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4683 * config/i386/i386.c (classify_argument): Skip fields with invalid
4686 2006-05-07 Richard Guenther <rguenther@suse.de>
4688 PR tree-optimization/27409
4689 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4690 Do not try to find zero-sized subvars.
4692 2006-05-07 Richard Guenther <rguenther@suse.de>
4694 PR tree-optimization/27136
4695 * tree-ssa-loop-niter.c (get_val_for): Correct function
4696 comment, assert requirements.
4697 (loop_niter_by_eval): Stop processing if the iterated
4698 value did not simplify.
4700 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
4702 * opts.c (flag_see): remove its setting at -O3.
4704 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
4706 * genpeep.c (main): Make insn-peep.c depend on flags.h.
4707 * arm/constraints.md: New file.
4708 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
4709 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
4710 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
4711 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
4712 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
4713 (EXTRA_MEMORY_CONSTRAINT): Likewise.
4714 * arm.md: Include constraints.md.
4715 (thumb_movsi_insn): Use satisfies_constraint_J.
4716 (movhi, movqi): Use satisfies_constraint_I.
4718 2006-04-29 Anatoly Sokolov <aesok@post.ru>
4720 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
4721 for atmeg a645 device.
4723 2006-05-06 Richard Guenther <rguenther@suse.de>
4725 PR tree-optimization/27151
4726 * tree-vect-transform.c (vectorizable_condition): Punt on
4727 values that have a different type than the condition.
4729 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
4732 * c-parser.c (c_parser_cast_expression): Only insert casts into
4733 hash table if pointer.
4734 * function.c (used_types_insert_helper): Rename from
4736 (used_types_insert): Call used_types_insert_helper.
4737 * function.h (used_types_insert): Accept only one argument.
4739 2006-05-05 David Edelsohn <edesohn@gnu.org>
4741 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
4742 scratch with output modifier.
4744 2006-05-04 David Edelsohn <edelsohn@gnu.org>
4747 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
4748 with output modifier.
4750 2006-05-04 Richard Sandiford <richard@codesourcery.com>
4753 * config/mips/mips.c (mips_symbolic_address_p): Return true
4754 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
4755 SYMBOL_GOTTPREL, and SYMBOL_TLS.
4757 2006-05-04 Richard Guenther <rguenther@suse.de>
4759 PR tree-optimization/14287
4760 PR tree-optimization/14844
4761 PR tree-optimization/19792
4762 PR tree-optimization/21608
4763 PR tree-optimization/27090
4764 * tree-ssa-pre.c (try_combine_conversion): New function.
4765 (compute_avail): After constructing the value-handle
4766 expression, use try_combine_conversion to combine NOP_EXPRs
4767 with previous value-handle expressions and use the result if it
4770 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
4772 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
4774 2006-05-04 Jan Hubicka <jh@suse.cz>
4777 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
4779 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
4781 * config/bfin/predicates.md (const01_rtx): Tell generator programs
4782 that this only matches CONST_INTs. All users changed to VOIDmode
4785 * config/bfin/bfin.c: Include "optabs.h".
4786 (bfin_rtx_costs): Some costs for vector operations, to allow combine
4788 (enum bfin_builtins): Add a number of fractional and vector builtins.
4789 (bfin_init_builtins): Likewise.
4790 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
4791 (safe_vector_operand, bfin_expand_binop_builtin,
4792 bfin_expand_unop_builtin): New functions.
4793 (bfin_expand_builtin): Handle the new builtins.
4794 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4797 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
4800 * Makefile.in (OBJS-common): Add see.o.
4801 (see.o): Add dependencies.
4802 * common.opt (fsee): New flag for the see optimization was added.
4803 * opts.c (flag_see): Initialized.
4804 * passes.c (init_optimization_passes, pass_see): New pass.
4805 * rtl.h (see_main): Declaration as extern.
4806 * timevar.def (TV_SEE): New.
4807 * tree-pass.h (pass_see): Declaration as extern.
4808 * invoke.texi (-fsee): Document.
4809 * recog.c (validate_simplify_insn): New function.
4810 * recog.h (validate_simplify_insn): Declaration as extern.
4811 * df-problems.c (df_chain_dump): Check for NULL.
4813 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
4814 Daniel Berlin <dberlin@dberlin.org>
4816 * cfgrtl.c (insert_insn_bb_end_new): New function.
4817 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
4819 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4821 * df.h (struct web_entry): Moved from web.c.
4822 (union_defs): Declaration as extern.
4823 (unionfind_root): Likewise.
4824 (unionfind_union): Likewise.
4825 * web.c (struct web_entry): Moved to df.h.
4826 (unionfind_root): Remove static declaration.
4827 (unionfind_union): Likewise.
4828 (union_defs): Likewise and generalize to use callback function.
4829 (web_main): Update arguments for union_defs function call.
4831 2006-05-04 Richard Guenther <rguenther@suse.de>
4833 PR tree-optimization/26447
4834 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
4835 produce SSA_NAME copies before the store stmt to avoid
4836 breaking exception handling.
4838 2006-05-04 Jakub Jelinek <jakub@redhat.com>
4841 * gimplify.c (omp_is_private): If var is shared in some outer context,
4842 return false instead of true. Stop searching on parallel context
4845 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
4848 * coverage.c: Use get_gcov_unsigned_t() instead of
4849 unsigned_type_node all over.
4851 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
4853 PR tree-optimization/27381
4854 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
4855 maintain the same immediate_use links.
4856 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
4857 node rather than segfaulting.
4859 2006-05-03 Jakub Jelinek <jakub@redhat.com>
4862 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
4863 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
4864 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
4866 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
4868 Fix PR tree-optimization/26626
4869 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
4871 * tree-ssa-operands.c (access_can_touch_variable): Allow
4872 typecasting through union pointers.
4874 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4877 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
4878 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
4879 to find if var will be a global variable even in the nested context.
4880 (omp_copy_decl): Only check for global variable at the end, it might
4881 be overridden in outer contexts.
4882 (scan_sharing_clauses): For global variables don't create a field.
4883 (lower_rec_input_clauses): Do nothing for global shared variables.
4884 Emit a barrier at the end of ILIST if there were any decls in both
4885 firstprivate and lastprivate clauses.
4886 (lower_send_clauses): Do nothing for global variables except for
4889 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
4891 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
4892 of the correct signedness is returned.
4894 2006-05-02 Jeff Law <law@redhat.com>
4896 PR tree-optimization/27364
4897 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
4898 multiply expressions.
4900 2006-05-02 Tom Tromey <tromey@redhat.com>
4902 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
4904 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
4907 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
4908 -mthumb -fPIC are used.
4910 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
4911 Joshua Kinard <kumba@gentoo.org>
4914 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
4915 with 64-bit pointers.
4917 2006-05-02 Paul Brook <paul@codesourcery.com>
4919 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
4921 (create_fix_barrier): Check that a suitable barrier location is
4923 (arm_reorg): Include ftmp->address in allowable range of addresses.
4925 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
4928 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
4931 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4934 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
4935 around RESULT_DECL for result passed by reference.
4936 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
4937 * omp-low.c (use_pointer_for_field): Don't look at
4938 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
4939 (scan_omp_1): Call remap_decl on RESULT_DECLs.
4940 (lower_rec_input_clauses): Don't allocate VLA memory for the second
4941 time or var for passing by reference for
4942 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
4943 TREE_ADDRESSABLE variables when passing by reference.
4945 * omp-low.c (dump_omp_region): Fix output formatting.
4948 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
4949 (expand_omp_parallel): Likewise.
4950 * tree-cfg.c (move_sese_region_to_fn): Likewise.
4953 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
4954 on statement list containing also constructors and destructors.
4955 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
4958 * except.c (duplicate_eh_regions): Fix clearing of
4959 cfun->eh->region_array entries.
4961 2006-05-01 DJ Delorie <dj@redhat.com>
4963 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
4965 (gcc_cv_objdump): Likewise.
4966 * configure: Regenerated.
4968 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
4971 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
4972 templates for case 3 and 4.
4974 2006-05-01 DJ Delorie <dj@redhat.com>
4976 * vec.c: Include bconfig.h when appropriate.
4977 * Makefile.in (build/vec.o): Adjust dependencies.
4978 * mkconfig.sh: Make sure config.h isn't used for build machine
4981 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4983 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
4985 (mark_phi_for_rewrite): New function.
4986 (insert_phi_nodes_for, mark_use_interesting): Call
4987 mark_phi_for_rewrite.
4988 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
4989 (update_ssa): Initialize and free phis_to_rewrite.
4991 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4993 PR rtl-optimization/27291
4994 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
4995 folded to a constant.
4997 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4999 PR tree-optimization/27283
5000 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
5001 not whole # of iteration descriptions.
5002 (niter_for_exit): Return just # of iterations. Fail if # of iterations
5003 uses abnormal ssa name.
5004 (niter_for_single_dom_exit): Ditto.
5005 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
5006 return just the number of iterations.
5008 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5010 PR tree-optimization/27144
5011 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
5012 (record_estimate): Only record constant upper bound.
5013 (infer_loop_bounds_from_undefined): Call
5014 compute_estimated_nb_iterations just once.
5015 (proved_non_wrapping_p): Renamed to ...
5016 (n_of_executions_at_most): ... this. Expect bound to be a constant.
5017 (convert_step_widening, scev_probably_wraps_p): Call
5018 n_of_executions_at_most instead of proved_non_wrapping_p.
5019 (substitute_in_loop_info): Do not replace values in bounds.
5020 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
5023 2006-05-01 Richard Henderson <rth@redhat.com>
5026 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
5027 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
5030 2006-05-01 Roger Sayle <roger@eyesopen.com>
5032 * c-typeck.c (parser_build_binary_op): Don't call the function
5033 unsigned_conversion_warning to spot operand/result type overflow.
5034 (build_binary_op): Instead, call convert_and_check instead of
5035 convert to report the problem when the operands are promoted.
5036 * c-common.c (unsigned_conversion_warning): Make static.
5037 * c-common.h (unsigned_conversion_warning): Delete prototype.
5039 2006-05-01 Richard Guenther <rguenther@suse.de>
5041 PR tree-optimization/26726
5042 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
5044 (find_interesting_uses_address): ... we work around here
5045 by folding INDIRECT_REFs in the substituted base.
5047 2006-05-01 Diego Novillo <dnovillo@redhat.com>
5049 * omp-low.c (dump_omp_region): Add newlines.
5051 2006-04-30 Roger Sayle <roger@eyesopen.com>
5053 * common.opt (Woverflow): New command line option.
5054 * c-common.c (constant_expression_warning): Check warn_overflow.
5055 (overflow_waring): Pass OPT_Woverflow to warning.
5056 (unsigned_conversion_warning): Likewise.
5057 (convert_and_check): Likewise.
5058 * doc/invoke.texi: Document new command line option.
5060 2006-04-30 David Edelsohn <edelsohn@gnu.org>
5062 * config/rs6000/rs6000.c (rs6000_override_options): Enable
5063 TARGET_NO_FP_IN_TOC for section anchors.
5064 (optimization_options): Enable section anchors for all
5065 non-"Objective" languages.
5067 2006-04-28 Eric Christopher <echristo@apple.com>
5069 * config/darwin-c.c (darwin_ms_struct): Move this
5070 (darwin_set_default_type_attributes): and this...
5071 * config/darwin.c: ... here.
5072 * config/darwin.h (darwin_ms_struct): Declare.
5074 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
5076 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
5078 2006-04-28 Roger Sayle <roger@eyesopen.com>
5081 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
5082 (push_array_bounds): Delete prototype. Change BOUNDS argument to
5083 an unsigned HOST_WIDE_INT.
5084 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
5086 (really_start_incremental_init): No need to call convert because
5087 bitsize_zero_node is already of type bitsizetype.
5088 (push_init_level): Extract the value of constructor_index as an
5089 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
5090 (process_init_element): Likewise.
5092 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
5094 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
5095 value before passing to make_relative_prefix.
5097 2006-04-28 Alan Modra <amodra@bigpond.net.au>
5100 * builtins.c (expand_builtin_memset): Expand val in original mode.
5102 2006-04-27 Eric Christopher <echristo@apple.com>
5104 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
5105 with #ifndef/#endif.
5106 * config/darwin-c.c (darwin_ms_struct): New.
5107 (darwin_pragma_ms_struct): Ditto.
5108 (darwin_set_default_type_attributes): Ditto.
5109 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
5110 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
5111 Register ms_struct pragma.
5112 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
5113 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
5114 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
5115 darwin_set_default_type_attributes if TARGET_MACHO.
5117 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
5119 PR tree-optimization/26854
5120 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
5121 * doc/tree-ssa.texi: Update immuse iterator documentation.
5122 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
5123 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
5124 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
5125 first_safe_imm_use, next_safe_imm_use): Remove.
5126 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
5127 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
5128 (move_use_after_head): New. Helper function to sort immuses in a stmt.
5129 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
5130 (first_imm_use_stmt): New. Get first stmt in an immuse list.
5131 (next_imm_use_stmt): New. Get next stmt in an immuse list.
5132 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
5133 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
5134 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
5135 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
5136 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
5137 (perfect_nestify): Use new iterator.
5138 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
5140 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
5141 (next_imm_name): New field in struct immediate_use_iterator_d.
5142 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
5143 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
5144 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
5145 * tree-cfg.c (replace_uses_by): Use new iterator.
5146 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
5147 * tree-ssa-operands.c (correct_use_link): Remove.
5148 (finalize_ssa_use_ops): No longer call correct_use_link.
5150 2006-04-27 Stuart Hastings <stuart@apple.com>
5152 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
5153 * config/t-darwin (crt3.o): Use it.
5154 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
5155 'pmode', use Pmode instead of SImode for SYMBOL_REF.
5156 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
5157 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
5158 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
5161 2006-04-27 Roger Sayle <roger@eyesopen.com>
5163 * expmed.c (store_fixed_bit_field): If we're not optimizing for
5164 size, force the intermediate into a new pseudo rather instead of
5165 performing both a bitwise AND and a bitwise IOR in memory.
5167 2006-04-27 Richard Guenther <rguenther@suse.de>
5169 PR rtl-optimization/26685
5170 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
5171 this one "max-flow-memory-locations".
5173 2006-04-27 Richard Guenther <rguenther@suse.de>
5175 PR tree-optimization/25148
5176 * tree-vrp.c (compare_values): Remove code dealing with
5177 comparisons against type min/max value. Honour overflow
5178 and negative constants in code dealing with comparisons
5179 of plus and minus expressions.
5180 (value_inside_range): Use fold_binary with LE_EXPR and
5181 GE_EXPR rather than compare_values.
5183 2006-04-27 Dirk Mueller <dmueller@suse.de>
5185 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
5188 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
5190 * basic-block.h (safe_insert_insn_on_edge): Removed.
5191 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
5193 2006-04-26 David Edelsohn <edelsohn@gnu.org>
5194 Paolo Bonzini <bonzini@gnu.org>
5197 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
5198 (simplify_and_const_int): Same.
5200 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
5202 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
5204 2006-04-26 Jakub Jelinek <jakub@redhat.com>
5207 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
5208 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
5209 cgraph_global_info_ready.
5212 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
5215 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
5216 either decl or init is error_mark_node.
5219 * tree-flow.h (struct omp_region): Add sched_kind.
5220 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
5221 instead of extracting omp for data.
5222 (expand_omp_for): Save extracted sched_kind.
5224 2006-04-25 Roger Sayle <roger@eyesopen.com>
5226 * expmed.c (store_bit_field): Also check whether the bitsize is
5227 valid for the machine's "insv" instruction before moving the
5228 target into a pseudo for use with the insv.
5229 * config/i386/predicates.md (const8_operand): New predicate.
5230 * config/i386/i386.md (extv, extzv, insv): Use the new
5231 const8_operand predicate where appropriate.
5233 2006-04-25 DJ Delorie <dj@redhat.com>
5235 * doc/install.texi (Specific): Clarify that this is not a list of
5236 supported hosts or targets.
5238 2006-04-25 Richard Sandiford <richard@codesourcery.com>
5240 PR rtl-optimization/26725
5241 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
5242 block's BB_DIRTY flag.
5244 2006-04-25 Geoffrey Keating <geoffk@apple.com>
5246 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
5249 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
5250 to print an integer.
5252 2006-04-25 David Edelsohn <edelsohn@gnu.org>
5254 * varasm.c (align_variable): New function.
5255 (get_block_for_decl): Apply align_variable to DECL before
5256 calculating section information.
5257 (assemble_variable): Split out alignment computation.
5259 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
5261 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
5264 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
5266 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
5267 MODE_PARTIAL_INT mode.
5268 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
5269 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
5271 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
5272 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
5274 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
5276 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
5278 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
5279 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
5280 MACFLAG_IH): Likewise.
5281 (movstricthi_1): Renamed from "*movstricthi".
5282 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
5283 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
5284 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
5285 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
5286 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
5287 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
5288 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
5289 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
5290 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
5291 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
5292 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
5293 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
5294 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
5295 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
5296 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
5298 * doc/rtl.texi (ss_ashift): Improve wording.
5300 2006-04-24 Geoffrey Keating <geoffk@apple.com>
5302 * dwarf2out.c (verify_marks_clear): New.
5303 (prune_unused_types): Call verify_marks_clear initially, not
5306 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
5308 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
5309 * doc/rtl.texi: Document them.
5310 * simplify-rtx.c (simplify_unary_operation,
5311 simplify_binary_operation_1): Don't abort when we see them.
5313 2006-04-24 Mark Mitchell <mark@codesourcery.com>
5316 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5317 * configure.ac: Completely disregard languages that are not
5319 * configure: Regenerated.
5321 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5322 Richard Guenther <rguenther@suse.de>
5324 PR tree-optimization/27236
5325 * tree-inline.c (copy_body_r): Make sure to copy
5326 TREE_THIS_VOLATILE flag.
5328 2006-04-24 Richard Guenther <rguenther@suse.de>
5331 * tree-complex.c (update_parameter_components): Don't handle
5332 unused parameters which have no default def.
5334 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5335 Richard Guenther <rguenther@suse.de>
5337 PR tree-optimization/27218
5338 * tree-inline.c (expand_call_inline): Strip useless type
5339 conversions for the return slot address.
5341 2006-04-24 Richard Guenther <rguenther@suse.de>
5343 * cfgloop.h (struct loops): Remove unused field array. Reorder
5345 (LOOP_PREFETCH): Remove.
5347 2006-04-24 Richard Guenther <rguenther@suse.de>
5349 PR tree-optimization/22525
5350 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
5351 variable, adjust types of generated expressions.
5353 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
5355 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
5356 (tree-vect-patterns.o): Likewise.
5358 (cselib.o): Likewise.
5359 (loop-doloop.o): Likewise.
5360 (regclass.o): Likewise.
5361 (reload1.o): Likewise.
5362 (explow.o): Replace target.h with $(TARGET_H).
5363 (ipa-prop.o): Likewise.
5364 (ipa-cp.o): Likewise.
5365 (ipa-inline.o): Likewise.
5366 (reorg.o): Likewise.
5367 (reg-stack.o): Likewise.
5369 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5371 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
5373 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5375 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
5377 * configure.ac: Completely disregard languages that are not
5379 * configure: Regenerated.
5382 * c-common.h (c_build_bitfield_integer_type): Declare.
5383 * c-decl.c (c_build_bitfield_integer_type): Move to ...
5384 * c-common.c (c_build_bitfield_integer_type): ... here.
5386 2006-04-23 Roger Sayle <roger@eyesopen.com>
5389 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
5390 a SImode SUBREG of a floating point register after no_new_pseudos.
5392 2006-04-23 Roger Sayle <roger@eyesopen.com>
5394 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
5395 identify potentially eliminable registers to additionally catch
5396 VIRTUAL_INCOMING_ARGS_REGNUM.
5397 (addsi3): Update the conditions on when to use addsi_small_int.
5399 2006-04-23 Roger Sayle <roger@eyesopen.com>
5402 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
5403 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
5404 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
5406 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5408 * fold-const.c (range_predecessor): Use operand_equal_p
5409 as the predicate for equality.
5410 (range_successor): Likewise.
5412 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5415 * config/soft-fp/op-common.h: Fix a typo.
5417 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
5420 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
5421 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
5423 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5425 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
5427 * doc/tm.texi: Fix a typo.
5429 2006-04-21 Geoffrey Keating <geoffk@apple.com>
5431 * dwarf2out.c (struct die_struct): Document that die_sib makes
5432 a circular linked list.
5433 (FOR_EACH_CHILD): New.
5434 (reverse_die_lists): Delete.
5435 (reverse_all_dies): Delete.
5436 (add_dwarf_attr): Correct documentation.
5437 (remove_child_with_prev): New.
5438 (remove_child_TAG): Update for change to die_struct, use
5439 remove_child_with_prev.
5440 (add_child_die): Update for change to die_struct.
5441 (splice_child_die): Use remove_child_with_prev and add_child_die.
5442 (print_die): Use FOR_EACH_CHILD.
5443 (die_checksum): Likewise.
5444 (assign_symbol_names): Likewise.
5445 (output_location_lists): Likewise.
5446 (build_abbrev_table): Likewise.
5447 (calc_die_sizes): Likewise.
5448 (mark_dies): Likewise.
5449 (unmark_dies): Likewise.
5450 (unmark_all_dies): Likewise.
5451 (output_die): Likewise.
5452 (prune_unused_types_mark): Likewise.
5453 (prune_unused_types_walk): Likewise.
5454 (same_die_p): Update for change to die_struct.
5455 (break_out_includes): Likewise.
5456 (prune_unused_types_prune): Likewise.
5457 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
5458 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
5460 (dwarf2out_finish): Don't call reverse_all_dies.
5462 2006-04-21 Eric Christopher <echristo@apple.com>
5464 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
5465 in comments and function names.
5467 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5470 * c-typeck.c (digest_init): Robustify.
5472 * c-typeck.c (pop_init_level): Simplify.
5474 2006-04-21 Steve Ellcey <sje@cup.hp.com>
5476 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
5478 2006-04-21 Paul Brook <paul@codesourcery.com>
5480 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
5481 hardware floating point.
5483 2006-04-21 David Edelsohn <edelsohn@gnu.org>
5485 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
5488 2006-04-21 Nick Clifton <nickc@redhat.com>
5490 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
5493 2006-04-21 Alan Modra <amodra@bigpond.net.au>
5496 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
5497 C++ lang type in traceback table for Objective-C++.
5499 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
5501 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
5503 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
5505 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5508 * tree-mudflap.c (mudflap_finish_file): Skip function when there
5509 were errors. Remove check for erroneous objects.
5511 2006-04-20 Jeff Law <law@redhat.com>
5513 PR tree-optimization/26854
5514 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
5515 checking for zero or one use.
5516 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
5517 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
5518 * tree-ssa-reassoc.c (negate_value): Similarly.
5519 (reassociate_bb): Similarly.
5521 2006-04-20 Jakub Jelinek <jakub@redhat.com>
5523 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
5524 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
5525 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
5527 2006-04-20 Alan Modra <amodra@bigpond.net.au>
5529 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
5530 fp regs if the last fp arg doesn't fit in regs.
5532 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
5535 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
5536 that the last insn has the REG_INC note.
5538 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
5539 Nathan Sidwell <nathan@codesourcery.com>
5542 * stor-layout.c (update_alignment_for_field): Do not align
5544 (place_union_field): Place union field at the start of the union.
5545 (place_field): Move ERROR_MARK check later, and use the current
5546 allocation position to maintain monotonicity.
5548 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
5550 * dominance.c: Include timevar.h.
5551 (calculate_dominance_info): Use TV_DOMINANCE.
5552 * timevar.def (TV_DOMINANCE): New timevar.
5553 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
5555 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5557 PR rtl-optimization/14261
5558 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
5559 move would be an INSV insn.
5560 (noce_process_if_block): Don't optimize if the destination is a
5561 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
5563 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5565 * config/s390/s390.md: Add comments with the instructions emitted
5566 by an insn pattern if macros are used.
5568 2006-04-19 Alan Modra <amodra@bigpond.net.au>
5570 PR rtl-optimization/26026
5571 * fold-const.c (fold_binary): Optimize div and mod where the divisor
5572 is a known power of two shifted left a variable amount.
5574 2006-04-18 Geoffrey Keating <geoffk@apple.com>
5576 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
5577 to hash table twice when the debug_str section has SECTION_MERGE.
5579 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
5581 * config/soft-fp: New directory. From glibc.
5582 * config/soft-fp/t-softfp: New.
5583 * config/soft-fp/README: New.
5584 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
5585 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
5586 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
5587 (LIBGCC_DEPS): Add $(SFP_MACHINE).
5588 * config.gcc: Use rs6000/t-fprules-fpbit or
5589 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
5591 * config/rs6000/sfp-machine.h: New. Based on glibc.
5592 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
5594 * config/rs6000/t-fprules: Remove fp-bit rules.
5595 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
5596 * config/rs6000/t-linux64: Likewise. Remove duplicates from
5597 LIB2FUNCS_EXTRA. Remove fp-bit rules.
5598 (softfp_wrap_start, softfp_wrap_end): New.
5600 2006-04-18 DJ Delorie <dj@redhat.com>
5602 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
5604 2006-04-18 Devang Patel <dpatel@apple.com>
5606 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
5608 2006-04-18 Nick Clifton <nickc@redhat.com>
5610 * config/sh/t-symbian: Add rule to build sh-c.o
5611 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
5612 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
5613 (sh_symbian_encode_section_info): Likewise.
5615 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
5617 * builtins.c (expand_builtin_strcmp): Cover label definition of
5618 do_libcall with HAVE_cmpstrnsi.
5620 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
5622 * function.c (temp_slots_at_level, max_slot_level): Use VEC
5624 * function.h (temp_slot_p): New.
5625 (function): Change the type of x_used_temp_slots to
5626 VEC(temp_slot_p,gc) *.
5628 2006-04-18 Nick Clifton <nickc@redhat.com>
5630 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
5631 flag_strength_reduce.
5633 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
5635 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5639 Partial revert of revision 112637
5640 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5641 Dale Johannesen <dalej@apple.com>
5644 * regclass.c (struct reg_pref): Update documentation.
5645 (regclass): Set prefclass to NO_REGS if memory is the best option.
5646 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5648 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5650 PR tree-optimization/26821
5651 * tree-ssa-math-opts.c (get_constant_one): New.
5652 (insert_reciprocals): Use it.
5654 2006-04-17 Geoffrey Keating <geoffk@apple.com>
5656 * dwarf2out.c (free_AT): Delete.
5657 (remove_AT): Update string ref counts.
5658 (remove_child_TAG): Don't call free_die.
5660 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
5661 or DW_TAG_GNU_EINCL.
5662 (prune_unused_types_walk_attribs): Reset string refcounts.
5663 (prune_unused_types_update_strings): New.
5664 (prune_unused_types_prune): Don't make unnecessary stores. Don't
5665 call free_die. Do call prune_unused_types_update_strings.
5666 (prune_unused_types): Empty debug_str_hash.
5668 2006-04-17 Roger Sayle <roger@eyesopen.com>
5670 * expr.c (expand_assignment): Optimize away no-op moves where the
5671 source and destination are equal and have no side-effects.
5673 2006-04-17 Richard Guenther <rguenther@suse.de>
5676 * reload.c (push_reload): Guard calls to get_secondary_mem
5679 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
5681 * alias.c (reg_base_value, old_reg_base_value): Change the
5682 type to VEC(rtx,gc) *.
5683 (REG_BASE_VALUE, find_base_value, record_set,
5684 init_alias_analysis): Use VEC instead of VARRAY.
5686 * alias.c (alias_sets): Change the type to
5687 VEC(alias_set_entry,gc) *.
5688 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
5689 VEC instead of VARRAY.
5690 (last_alias_set): Remove.
5692 * cgraph.h (cgraph_edge_p): New.
5693 Update the prototype of cgraph_function_versioning.
5694 * cgraphunit.c (cgraph_copy_node_for_versioning,
5695 cgraph_function_versioning): Use VEC instead of VARRAY.
5696 * ipa-cp.c (ipcp_insert_stage): Likewise.
5698 2006-04-16 Roger Sayle <roger@eyesopen.com>
5701 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
5702 "A op B" or "A op C", we may need to convert A to the type of B and C.
5704 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
5706 * target.h (struct gcc_target): Add mode_rep_extended.
5707 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
5708 (init_num_sign_bit_copies_in_rep): Initialize it using
5710 (truncate_to_mode): Use it.
5711 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
5712 * targhooks.h (default_mode_rep_extended): Declare it.
5713 * targhooks.c (default_mode_rep_extended): Define it.
5714 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
5715 default_mode_rep_extended.
5716 (TARGET_INITIALIZER): Include it.
5717 * doc/tm.texi (Misc): Document it.
5718 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
5719 (mips_truncated_to_mode): New function.
5721 2006-04-16 Roger Sayle <roger@eyesopen.com>
5724 * expr.c (compress_float_constant): Copy the narrow constant into
5725 a new pseudo before extending it to its final width.
5727 2006-04-16 Roger Sayle <roger@eyesopen.com>
5728 Andrew Pinski <pinskia@gcc.gnu.org>
5729 Dale Johannesen <dalej@apple.com>
5732 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
5733 special case code to implement V8HImode and V16QImode with SSE2.
5735 2006-04-15 Roger Sayle <roger@eyesopen.com>
5737 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
5738 trees are constructed with a suitable tree type.
5740 2006-04-15 Roger Sayle <roger@eyesopen.com>
5742 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
5743 (integer_onep): Likewise.
5744 (integer_all_onesp): Likewise.
5745 (integer_pow2p): Likewise.
5746 (integer_nonzerop): Likewise.
5747 (real_zerop): Likewise.
5748 (real_onep): Likewise.
5749 (real_twop): Likewise.
5750 (real_minus_onep): Likewise.
5751 (int_size_in_bytes): Likewise.
5752 (host_integerp): Likewise.
5754 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
5756 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
5757 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
5758 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
5760 * tree-ssa-structalias.h (alias_info): Remove num_references.
5762 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5764 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
5765 (output_bvb patterns): Likewise.
5766 * pa.c (output_bb): Use 'bb' insn for long branch case.
5767 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
5768 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
5769 1. Correct length operand for alternatives 1 and 2.
5770 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
5771 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
5773 2006-04-14 Roger Sayle <roger@eyesopen.com>
5775 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
5776 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
5777 were accidentally reverted by r112959.
5779 2006-04-15 Jakub Jelinek <jakub@redhat.com>
5782 * except.h (eh_region_outermost): New prototype.
5783 * except.c (eh_region_outermost): New function.
5784 * tree-cfg.c (find_outermost_region_in_block): Use it.
5786 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5788 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
5790 * reload1.c (reg_equiv_memory_loc_varray): Rename to
5791 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
5792 (init_reload, reload): Use VEC instead of VARRAY.
5793 * reload.h: Update the prototype for
5794 reg_equiv_memory_loc_varray.
5796 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
5797 Eric Botcazou <ebotcazou@libertysurf.fr>
5799 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
5802 2005-04-13 Uros Bizjak <uros@kss-loka.si>
5805 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
5806 to expand fallback builtin function call.
5808 2006-04-14 Alan Modra <amodra@bigpond.net.au>
5811 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
5812 and emit libcall here in case the builtin fails.
5813 (expand_builtin_strcmp): Always emit the libcall here on failure.
5815 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5817 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
5818 * flow.c (reg_n_info): Change the type to
5819 VEC(reg_info_p,heap) *.
5820 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
5822 * regs.h (reg_info_p): New.
5823 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
5824 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
5825 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
5828 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
5830 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
5832 * params.h (MAX_SCHED_READY_INSNS): New macro.
5833 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
5834 past MAX_SCHED_READY_INSNS during the first scheduling pass.
5835 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
5836 the ready list for 1 cycle during the first scheduling pass.
5837 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
5839 2006-04-13 Richard Henderson <rth@redhat.com>
5842 * gimple-low.c (lower_omp_directive): Remove dead code.
5843 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
5844 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
5845 * omp-low.c (struct omp_region): Move to tree-flow.h.
5846 (root_omp_region): Export.
5847 (omp_regions, lookup_omp_region): Remove.
5848 (determine_parallel_type): Update for struct omp_region changes.
5849 (dump_omp_region): Dump regions with block numbers.
5850 (new_omp_region): Take type and block instead of stmt; malloc
5852 (free_omp_region_1, free_omp_regions): New.
5853 (expand_parallel_call): Take entry_stmt as argument; update for
5854 changes to omp_region.
5855 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
5856 (remove_exit_barriers): New.
5857 (expand_omp_parallel): Update for struct omp_region changes.
5858 (expand_omp_synch): Likewise.
5859 (expand_omp): Likewise.
5860 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
5861 (expand_omp_for_static_chunk): Likewise.
5862 (expand_omp_for): Likewise.
5863 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
5864 (expand_omp_sections): Similarly, with GOMP_sections_end.
5865 (expand_omp_single): New.
5866 (build_omp_regions_1): Update for OMP_CONTINUE.
5867 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
5868 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
5869 OMP_SECTIONS_SECTIONS.
5870 (lower_omp_single_simple): Don't emit barrier here.
5871 (lower_omp_single_copy): Likewise.
5872 (lower_omp_single): Fix bindings, and lower to straightline now.
5873 (lower_omp_master, lower_omp_ordered): Likewise.
5874 (lower_omp_critical): Likewise.
5875 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
5876 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
5877 omp edges, free it afterward.
5878 (make_omp_sections_edges): Remove.
5879 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
5880 (move_stmt_r): Handle OMP_CONTINUE.
5881 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
5882 statement pointers to basic blocks. Add type member.
5883 (root_omp_region, new_omp_region, free_omp_regions): Declare.
5884 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
5885 * tree-inline.c (estimate_num_insns_1): Likewise.
5886 * tree-pretty-print.c (dump_generic_node): Likewise.
5887 * tree-ssa-operands.c (get_expr_operands): Likewise.
5888 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
5889 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
5890 (OMP_CONTINUE): New.
5891 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
5892 (OMP_SECTIONS_SECTIONS): Remove.
5893 (OMP_SECTION_LAST): New.
5894 (OMP_RETURN_NOWAIT): New.
5896 2006-04-13 Roger Sayle <roger@eyesopen.com>
5898 * fold-const.c (native_encode_vector, native_interpret_real):
5899 Correct obvious mistakes in the previous check-in.
5901 2006-04-13 Roger Sayle <roger@eyesopen.com>
5903 * fold-const.c (native_encode_expr): New function to encode
5904 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
5905 or VECTOR_CST into a specified buffer.
5906 (native_encode_int): New function.
5907 (native_encode_real): New function.
5908 (native_encode_complex): New function.
5909 (native_encode_vector): New function.
5910 (native_interpret_expr): Inverse of native_encode_expr to convert
5911 a target representation into an INTEGER_CST, REAL_CST etc...
5912 (native_interpret_int): New function.
5913 (native_interpret_real): New function.
5914 (native_interpret_complex): New function.
5915 (native_interpret_vector): New function.
5916 (fold_view_convert_expr): New function to constant fold/evaluate
5917 a VIEW_CONVERT_EXPR of a suitable constant expression.
5918 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
5919 Change call of build1 to fold_build1 when constructing a
5922 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
5923 Ulrich Weigand <uweigand@de.ibm.com>
5926 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
5929 2006-04-13 Alan Modra <amodra@bigpond.net.au>
5932 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
5933 optimize to lo_sum for DFmode if !TARGET_FPRS.
5935 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5937 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
5938 delete_alias_info, compute_flow_sensitive_aliasing,
5939 group_aliases): Use VEC instead of VARRAY.
5940 * tree-ssa-structalias.c (update_alias_info): Likewise.
5941 * tree-ssa-structalias.h (alias_info): Change the type of
5942 processed_ptrs to VEC(tree,heap) *.
5944 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
5947 * config/sh/lib1funcs.h: New file, broken out of:
5948 * config/sh/lib1funcs.asm.
5949 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
5951 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
5952 * config/sh/lib1funcs-Os-4-200.asm: New file.
5953 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
5954 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
5955 (EXTRA_MULTILIB_PARTS): Include it.
5956 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
5957 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
5958 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
5959 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
5962 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5964 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
5965 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
5966 tpa_compact, root_var_init, type_var_init): Use VEC instead of
5968 * tree-ssa-live.h: Include vecprim.h.
5969 (tree_partition_associator_d): Change the type of
5970 first_partition to VEC(int,heap) *.
5971 (tpa_first_partition): Use VEC instead of VARRAY.
5973 * Makefile.in (GTFILES): Move functions.h after tree.h.
5974 * function.c (reset_block_changes, record_block_change,
5975 check_block_change, free_block_changes): Use VEC instead of
5977 * function.h (function): Change the type of
5978 ib_boundaries_block to VEC(tree,gc) *.
5979 * tree-inline.c (copy_cfg_body): Initialize
5980 ib_boundaries_block to NULL instead of (varray_type) 0.
5982 2006-04-12 Roger Sayle <roger@eyesopen.com>
5984 * expr.c (emit_group_store): Correct operand order in call to
5985 subreg_lowpart_offset. Always create paradoxical SUBREGs with
5986 a SUBREG_BYTE of zero.
5988 2006-04-12 Richard Guenther <rguenther@suse.de>
5990 * profile.c (compute_branch_probabilities): Remove code
5991 encapsulated in !ir_type (), which are remanents of the
5992 removed RTL profiling code.
5993 * rtl-profile.c: Remove.
5995 2006-04-12 Alan Modra <amodra@bigpond.net.au>
5997 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
5998 magic NULL_RTX comment.
5999 (function_arg): Store entire fp arg to mem if any part should go
6001 (rs6000_arg_partial_bytes): Adjust for above change.
6003 2006-04-11 Roger Sayle <roger@eyesopen.com>
6005 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
6006 if it hasn't been initialized by dwarf2out_init.
6008 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
6010 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
6011 symbolic constants in branch patterns.
6013 2006-04-11 Roger Sayle <roger@eyesopen.com>
6015 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
6017 2006-04-11 Richard Sandiford <richard@codesourcery.com>
6019 PR rtl-optimization/27073
6020 * gcse.c (try_replace_reg): Revert last change. Continue to search
6021 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
6024 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6026 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
6027 aggregate types other than record and union types.
6028 (function_arg): Likewise.
6029 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
6031 (function_value): In 64-bit mode, return objects that require it
6034 2006-04-11 Roger Sayle <roger@eyesopen.com>
6036 * dwarf2out.c (premark_used_types): Remove problematic prototype.
6038 2006-04-11 Jakub Jelinek <jakub@redhat.com>
6040 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
6042 2006-04-03 Jeff Law <law@redhat.com>
6045 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
6046 alias information too.
6048 2006-04-10 Mike Frysinger <vapier@gentoo.org>
6050 * Makefile.in (gcc-cross): Add $(exeext) to target name.
6052 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
6055 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
6056 (premark_used_types_helper): New.
6057 (premark_used_types): New.
6058 (gen_subprogram_die): Call premark_used_types.
6059 (prune_unused_types_walk): Do not prune perennial dies.
6060 * function.c (used_types_insert): New.
6061 * function.h (struct function): Add used_types_hash field.
6062 (used_types_insert): Add prototype.
6063 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
6064 * c-parser.c (c_parser_cast_expression): Save casted types in used
6067 2006-04-11 Mark Mitchell <mark@codesourcery.com>
6070 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
6071 rs6000_explicit_options.float_gprs.
6073 2006-04-10 Roger Sayle <roger@eyesopen.com>
6075 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
6076 from ix86_expand_vector_init_low_nonzero. Take an additional
6077 one_var argument indicating which element is non-zero. Support
6078 one_var != 0 for V4SFmode and V4SImode by permuting the result.
6079 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
6080 with one_var instead of ix86_expand_vector_init_low_nonzero.
6082 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
6084 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
6085 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
6086 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
6087 build/genextract.o): Depend on vecprim.h.
6088 * cfglayout.c, df-problems.c, function.c, genextract.c,
6089 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
6090 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
6094 2006-04-10 Geoffrey Keating <geoffk@apple.com>
6096 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
6097 Declare VECs of this type.
6098 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
6099 (remove_children): Delete.
6100 (add_dwarf_attr): Use VEC routines.
6101 (add_AT_flag): Update for changes to add_dwarf_attr.
6102 (add_AT_int): Likewise.
6103 (add_AT_unsigned): Likewise.
6104 (add_AT_long_long): Likewise.
6105 (add_AT_vec): Likewise.
6106 (add_AT_string): Likewise.
6107 (add_AT_die_ref): Likewise.
6108 (add_AT_fde_ref): Likewise.
6109 (add_AT_loc): Likewise.
6110 (add_AT_loc_list): Likewise.
6111 (add_AT_addr): Likewise.
6112 (add_AT_lbl_id): Likewise.
6113 (add_AT_lineptr): Likewise.
6114 (add_AT_macptr): Likewise.
6115 (add_AT_offset): Likewise.
6116 (add_AT_range_list): Likewise.
6117 (get_AT): Use VEC_iterate.
6118 (remove_AT): Use VEC_ordered_remove.
6119 (free_die): Fold remove_children into here; have it use VEC_iterate.
6120 (print_die): Use VEC_iterate on attrs.
6121 (reverse_die_lists): Don't reverse attr lists.
6122 (die_checksum): Use VEC_iterate on attrs.
6123 (same_die_p): Likewise.
6124 (output_location_lists): Likewise.
6125 (build_abbrev_table): Likewise.
6126 (size_of_die): Likewise.
6127 (unmark_all_dies): Likewise.
6128 (output_abbrev_section): Likewise.
6129 (output_die): Likewise.
6130 (prune_unused_types_walk_attribs): Likewise.
6132 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6134 * doc/install.texi (*-*-solaris2*): Point to the configure page.
6136 2006-04-10 Jakub Jelinek <jakub@redhat.com>
6139 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
6141 2006-04-09 Roger Sayle <roger@eyesopen.com>
6143 * expr.c (store_constructor): Don't bother clearing target if
6144 we're about to assign a vector to it using vec_init_optab.
6146 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
6148 * tree-ssa-alias.c (lhs_may_store_to): New function.
6149 (recalculate_used_alone): Handle LHS of calls.
6151 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6155 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
6156 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
6157 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
6158 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
6159 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
6160 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
6161 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
6162 stubs. Add ".align 8" directives before all ".dword" directives.
6163 (GTHREAD_USE_WEAK): Revise comment.
6164 (TARGET_ATTRIBUTE_WEAK): Define.
6165 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
6166 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
6167 * stublib.c: New file.
6172 * pa.md (cbranch patterns): Revise arguments used in calls to
6173 output_cbranch, output_bb and output_bvd. Add long branch length
6175 (fbranch patterns): Handle long branches.
6176 (jump): Revise length check. Revise arguments for output_lbranch call.
6177 Add long branch length attributes.
6178 (decrement_and_branch_until_zero): Add long branch length attributes.
6179 (output_movb, output_parallel_addb and output_parallel_movb patterns):
6180 Likewise. Revise arguments for output_parallel_addb and
6181 output_parallel_movb calls.
6182 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
6183 output_parallel_movb and output_parallel_addb): Update prototypes.
6184 * pa.c (output_cbranch): Revise arguments. Correct handling of
6185 nullification in long branches.
6186 (output_lbranch): Add new argument to control extraction of delay
6188 (output_bb): Handle long branches.
6189 (output_bvb, output_dbra, output_movb, output_parallel_movb,
6190 output_parallel_addb): Likewise.
6192 2006-04-09 Richard Sandiford <richard@codesourcery.com>
6194 PR rtl-optimization/27073
6195 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
6198 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
6200 * tree.h (tree_memory_tag): Add old_used_alone.
6201 (SMT_OLD_USED_ALONE): New macro.
6202 * tree-ssa-alias.c (recalculate_used_alone): Stop
6203 marking things for renaming unnecessarily.
6205 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
6207 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
6208 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
6209 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
6210 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
6211 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
6212 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
6213 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
6214 spelling convensions.
6215 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
6216 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
6217 typos. Follow spelling conventions.
6219 2006-04-07 DJ Delorie <dj@redhat.com>
6221 * config/m32c/m32c.c (m32c_function_arg): Structures are always
6222 passed on the stack.
6223 (m32c_init_cumulative_args): When a function returns a structure,
6224 always pass the pointer to that return area on the stack.
6225 (m32c_function_arg_advance): Don't increment the parameter number
6226 if we're processing the returned structure pointer.
6227 (pushm_info): Reverse order of registers.
6229 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
6231 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
6232 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
6233 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
6234 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
6236 * tree-chrec.c (chrec_fold_multiply_poly_poly,
6237 chrec_fold_multiply): Same.
6238 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
6239 force_expr_to_var_cost): Same.
6240 * tree-mudflap.c (mf_xform_derefs_1): Same.
6241 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
6243 2006-04-07 David Edelsohn <edelsohn@gnu.org>
6245 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
6246 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
6249 2006-04-07 Jan Hubicka <jh@suse.cz>
6251 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
6253 2006-04-07 Richard Guenther <rguenther@suse.de>
6255 PR tree-optimization/26135
6256 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
6257 loads for store copy-prop.
6258 (copy_prop_visit_stmt): Likewise.
6260 2006-04-05 Robert Millan <robertmh@gnu.org>
6262 * config/i386/linux.h: Add a comment to mark macros that are
6263 being overriden in config/k*bsd-gnu.h.
6264 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
6266 * config/knetbsd-gnu.h: Ditto.
6268 2006-04-06 Jan Hubicka <jh@suse.cz>
6272 * coverage.c (coverage_checksum_string): Reorganize loop to not read
6275 2006-04-06 Mike Stump <mrs@apple.com>
6277 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
6278 for HAVE_nonlocal_goto to be consistent.
6279 (expand_builtin_nonlocal_goto): Likewise.
6280 (expand_builtin_strcmp): Use #ifdef instead of #if
6281 for HAVE_cmpstrnsi to be consistent.
6283 2006-04-05 DJ Delorie <dj@redhat.com>
6285 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
6288 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
6290 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
6291 got-relative addressing for anything but SImode.
6293 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
6294 even if the calling function doesn't modify them.
6296 2006-04-05 Richard Guenther <rguenther@suse.de>
6298 PR tree-optimization/26919
6299 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
6300 to cgraph_estimate_size_after_inlining.
6302 2006-04-05 Alan Modra <amodra@bigpond.net.au>
6304 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
6306 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
6308 PR tree-optimization/26996
6309 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
6310 VECTOR_TYPE variables.
6312 2006-04-05 Richard Guenther <rguenther@suse.de>
6314 PR tree-optimization/26763
6315 * fold-const.c (fold_comparison): Move folding of
6316 PTR + CST CMP PTR + CST ...
6317 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
6319 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
6321 * doc/install.texi (Prerequisites): Refine some wording on
6322 bootstrapping and ksh.
6323 Move the version numbers of DejaGnu here from the testing section
6324 and fix casing of names.
6325 Fix markup and clarify wording for autogen requirements.
6326 Refer to GCJ instead of just java.
6327 Refer to SVN instead of CVS.
6328 Describe diffutils as useful instead of necessary.
6329 (Downloading the source): Refer to SVN instead of CVS.
6330 Adjust a link to our web site accordingly.
6331 (Configuration): Fix casing of Bison.
6332 (Building): Refer to SVN instead of CVS.
6333 Fix a sentence on the use of Bison and remove duplicate (and
6334 incorrect) version number of Bison requirement.
6335 Remove one redundant list of packages needed for building.
6336 (Specific): Avoid reference to CVS.
6338 2006-04-04 Eric Christopher <echristo@apple.com>
6340 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
6341 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
6342 (rs6000_handle_struct_attribute): New.
6343 (rs6000_ms_bitfield_layout_p): Ditto.
6345 2006-04-04 Geoffrey Keating <geoffk@apple.com>
6347 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
6348 NULL for dso parameter to atexit_common.
6350 2006-04-04 Eric Christopher <echristo@apple.com>
6352 * config/i386/i386.c (machopic_output_stub): Output \t
6353 between instructions and operands.
6355 2006-04-04 David Edelsohn <edelsohn@gnu.org>
6357 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
6358 satisfies_constraint_[IL] to explicit tests on value.
6360 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
6362 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6363 set_nb_iterations_in_loop): Use build_int_cst instead of
6365 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
6366 build_int_cst instead of convert.
6368 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
6370 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
6371 new value 2 for incoming.
6372 * function.c (expand_function_start): Call struct_value_rtx
6374 * config/sparc/sparc.md: Comment updated_return.
6375 * config/sparc/sparc.opt: Add -mstd-struct-return option.
6376 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
6377 struct return if sparc_std_struct_return and incoming is 2.
6378 (print_operand): Do not adjust return if
6379 sparc_std_struct_return.
6381 2006-04-04 Roger Sayle <roger@eyesopen.com>
6383 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
6384 convert in the middle-end.
6385 * expr.c (store_expr, store_constructor, get_inner_reference,
6386 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
6388 * tree.c (build_range_type): Likewise.
6390 2006-04-04 Tom Tromey <tromey@redhat.com>
6392 * doc/install.texi (Prerequisites): Mention jar.
6394 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
6396 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
6399 2006-04-04 Matthias Klose <doko@debian.org>
6401 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
6402 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
6405 2006-04-03 Geoffrey Keating <geoffk@apple.com>
6407 * doc/extend.texi (Function Attributes): Rewrite visibility
6408 attribute documentation.
6409 * doc/invoke.texi (C++ Dialect Options): Rewrite
6410 -fvisibility-inlines-hidden documentation to describe something
6411 entirely different, although in practise compatible.
6412 (Code Gen Options): Warn about system headers in -fvisibility=
6415 * doc/extend.texi (Other Builtins): Document that
6416 __builtin_nan is a compile-time constant only when its argument
6419 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
6421 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
6422 trying to remove TRUNCATE check if all bits outside the new mode
6423 are identical to the sign bit.
6425 2006-04-03 Jeff Law <law@redhat.com>
6427 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
6428 and operand scanning in some common cases.
6430 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6431 Dale Johannesen <dalej@apple.com>
6434 * regclass.c (struct reg_pref): Update documentation.
6435 (regclass): Set prefclass to NO_REGS if memory is the best option.
6436 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6437 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
6438 into account. For non-registers, equate an empty preferred
6439 reload class to a `!' in the constraint; move the if clause to
6440 do so after those that reject the insn.
6441 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
6443 (find_dummy_reload): Likewise.
6444 * doc/tm.texi (Register Classes): Document what it means
6445 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
6446 * config/i386/i386.c (ix86_preferred_reload_class): Force
6447 using SSE registers (and return NO_REGS for floating-point
6448 constants) if math is done with SSE.
6449 (ix86_preferred_output_reload_class): New.
6450 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
6451 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
6452 * config/i386/i386.md: Remove # register preferences.
6454 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6457 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6458 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
6459 the type of nb_iter.
6460 (instantiate_parameters_1): Convert the operands before calling
6461 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
6462 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
6464 2006-04-02 Roger Sayle <roger@eyesopen.com>
6466 * builtins.c (dummy_object): Use build_int_cst instead of convert.
6467 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
6469 * dojump.c (do_jump): Likewise.
6470 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
6471 * gimplify.c (gimple_boolify, gimplify_init_constructor,
6472 gimplify_boolean_expr): Likewise.
6473 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
6474 * varasm.c (array_size_for_constructor): Likewise.
6475 * tree-object-size.c (compute_object_offset): Likewise.
6477 2006-04-02 Roger Sayle <roger@eyesopen.com>
6480 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
6481 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
6483 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6485 PR tree-optimization/26939
6486 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
6488 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6490 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
6491 at_stmt. Convert the type of operands before calling
6492 build_polynomial_chrec.
6493 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
6495 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
6496 (instantiate_parameters_1): Convert the type of operands before calling
6497 build_polynomial_chrec.
6498 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
6499 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
6500 reset_evolution_in_loop): Insert asserts to check the types of the
6502 (chrec_type): Moved...
6503 (eq_evolutions_p): Use operand_equal_p.
6504 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
6505 the types of the operands.
6506 (chrec_type): ...here.
6507 * tree-data-ref.c (create_data_ref): Convert the operands before
6508 calling chrec_replace_initial_condition.
6509 (same_access_functions, analyze_subscript_affine_affine,
6510 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
6511 (compute_subscript_distance, analyze_ziv_subscript,
6512 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
6513 analyze_miv_subscript): Convert the operands before calling
6514 chrec_fold_minus or chrec_fold_plus.
6516 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6518 * tree-data-ref.c (compute_all_dependences): Use a pointer to
6519 the dependence_relations vector.
6520 (compute_data_dependences_for_loop): Adjust call to
6521 compute_all_dependences.
6523 2006-04-01 Roger Sayle <roger@eyesopen.com>
6524 Richard Henderson <rth@redhat.com>
6526 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
6527 gimple_boolify on the condition before calling gimplify_expr.
6529 2006-03-31 Bob Wilson <bob.wilson@acm.org>
6531 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
6532 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
6533 the frame size. Update to use the new macros.
6534 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
6535 * config/xtensa/ieee754-df.S: Likewise.
6537 2006-03-31 Richard Henderson <rth@redhat.com>
6539 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
6540 (make_edges): ... here. Control fallthru creation with a local
6541 variable. Do not play with fake edges.
6542 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
6543 (make_goto_expr_edges): Don't play with fake edges. Make for_call
6546 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
6548 * dwarf2.h (DW64_CIE_ID): Define.
6549 * dwarf2out.c (DWARF_CIE_ID): Define.
6550 (output_call_frame_info): Output 0xffffffff before standard 8-byte
6551 length header. Use DWARF_CIE_ID.
6552 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
6553 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
6555 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
6557 * config/sh/linux-atomic.asm: New file.
6558 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
6560 2006-03-31 DJ Delorie <dj@redhat.com>
6562 * config/m32c/cond.md: Set condition flags properly throughout.
6563 * config/m32c/minmax.md: Likewise.
6564 * config/m32c/prologue.md: Likewise.
6565 * config/m32c/bitops.md: Likewise.
6566 * config/m32c/muldiv.md: Likewise.
6567 * config/m32c/mov.md: Likewise.
6568 * config/m32c/addsub.md: Likewise.
6569 * config/m32c/m32c.md: Likewise.
6570 * config/m32c/jump.md: Likewise.
6571 * config/m32c/shift.md: Likewise.
6573 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
6574 conditionally output the pattern for this.
6575 * config/m32c/m32c.c (flags_needed_for_conditional): New.
6576 (m32c_compare_redundant): New.
6577 (m32c_output_compare): New.
6578 * config/m32c/m32c-protos.h (m32c_output_compare): New.
6580 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
6581 dest, not src. Allow other 4-byte modes.
6583 2006-03-30 Denis Chertykov <denisc@overta.ru>
6585 * doc/md.texi: Refer to avr/constraints.md instead of
6588 2006-03-30 Roger Sayle <roger@eyesopen.com>
6590 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
6591 signed vs. unsigned comparison failures on some hosts.
6593 2006-03-31 Alan Modra <amodra@bigpond.net.au>
6596 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
6597 change to FLOAT_REGS.
6599 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
6600 (rs6000_override_options): Use it.
6601 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
6602 only for -mabi=spe/no-spe and -mabi=altivec.
6604 2006-03-30 Geoffrey Keating <geoffk@apple.com>
6606 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
6609 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
6611 * Makefile.in: Rename docdir to gcc_docdir.
6613 2006-03-30 Roger Sayle <roger@eyesopen.com>
6616 * expr.c (emit_group_store): Optimize group stores into a pseudo
6617 register by using a paradoxical subreg to initialize the destination
6618 if the first or last member of the group specifies a "low part".
6620 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6623 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
6624 * target.h (struct gcc_target.speculate_insn): Change type of the
6625 second parameter to 'int'.
6626 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
6627 the second operand of the DEPS_LIST.
6628 (copy_DEPS_LIST_list): Update reference to the second operand of the
6630 * rtl.h (alloc_DEPS_LIST): Update signature.
6631 * sched-int.h (ds_t): Change typedef to 'int'.
6632 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6634 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6636 * haifa-sched.c (try_ready): Change condition to restore
6637 non-speculative pattern of the instruction.
6638 (process_insn_depend_be_in_spec): Code to keep probability of the
6639 speculative dependence non-decreasing.
6641 2006-03-30 Jie Zhang <jie.zhang@analog.com>
6643 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
6644 (single_move_for_movmem): ... this. Also change all uses.
6645 (bfin_expand_strmov): Renamed to...
6646 (bfin_expand_movmem): ... this. Also change all uses.
6647 * config/bfin/bfin.md (movstrsi): Renamed to...
6648 (movstrsi): ...this.
6650 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
6652 PR tree-optimization/26830
6654 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
6655 (copy_prop_visit_stmt): Remove write-only variable ann.
6656 (init_copy_prop): Check variable loop depth here. Do not simulate
6657 memory-tag and virtual operand PHIs except for store copy prop.
6659 2006-03-30 Richard Guenther <rguenther@suse.de>
6661 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
6662 variants with double arguments.
6664 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6666 * genpreds.c (write_tm_constrs_h): Delete variable p.
6667 * genconditions.c (write_header): Add tm-constrs.h to included
6669 * genpeep.c (main): Add toplev.h to included headers.
6670 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
6671 (build/genpeep.o): Add toplev.h dependency.
6672 * config/rs6000/constraints.md: Add "W" constraint.
6674 2006-03-29 Roger Sayle <roger@eyesopen.com>
6676 * stor-layout.c (mode_for_size_tree): Remove restiction on type
6677 sizes by correctly testing whether the size fits a host integer.
6678 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
6679 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
6680 SImode range for the default sizetype and bitsizetype.
6682 2006-03-29 Roger Sayle <roger@eyesopen.com>
6684 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
6685 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
6686 quickly if the argument is already of the correct type.
6687 Call fold_build1 instead of build1. Tidy up blank lines.
6689 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6691 * genemit.c (main): Add tm-constrs.h to included headers.
6692 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
6693 * genpeep.c (main): Add tm-constrs.h to included headers.
6694 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
6695 (write_tm_constrs_h): this and write complete file.
6696 (write_tm_preds_h): Do not emit satisfies_constraint fns.
6697 (write_insn_preds_c): Add tm-constrs.h to included headers.
6698 (gen_constrs): New variable.
6699 (parse_option): Parse "-c".
6700 (main): Invoke write_tm_constrs_h.
6701 * genrecog.c (write_header): Add tm-constrs.h to included headers.
6702 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
6703 (object_out_file): Add tm-constrs.h dependency.
6704 (insn-emit.o): Same.
6705 (insn-output.o): Same.
6706 (insn-peep.o): Same.
6707 (insn-preds.o): Same.
6708 (insn-recog.o): Same.
6709 (tm-constsr.h): New target.
6710 (s-constrs-h): New target.
6712 * config/rs6000/constraints.md: New file.
6713 * config/rs6000/rs6000.c: Include tm-constrs.h.
6714 (num_insn_constant_wide): Convert to satisfies_constraint.
6715 (rs6000_rtx_costs): Convert to satisfies_constraint.
6716 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
6717 (CONST_OK_FOR_LETTER_P): Delete.
6718 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6719 (EXTRA_CONSTRAINT): Delete.
6720 (EXTRA_MEMORY_CONSTRAINT): Delete.
6721 (EXTRA_ADDRESS_CONSTRAINT): Delete.
6722 * config/rs6000/predicates.md: Convert to satisfies_constraint.
6723 * config/rs6000/rs6000.md: Include constraints.md. Convert to
6724 satisfies_constraint.
6726 * config/i386/i386.c: Include tm-constrs.h.
6728 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6730 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
6731 * tree-data-ref.c (find_data_references_in_loop,
6732 compute_data_dependences_for_loop): Use pointers to VEC.
6733 (analyze_all_data_dependences): Adjust calls.
6734 * tree-data-ref.h (find_data_references_in_loop,
6735 compute_data_dependences_for_loop): Adjust declarations.
6736 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
6737 compute_data_dependences_for_loop.
6739 2006-03-29 Paul Brook <paul@codesourcery.com>
6741 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
6744 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6746 PR tree-optimization/26859
6747 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
6749 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
6750 for the step after fold_convert.
6752 2006-03-29 Paul Brook <paul@codesourcery.com>
6754 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
6755 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
6757 2006-03-29 Paul Brook <paul@codesourcery.com>
6760 * targhooks.c (default_narrow_bitfield): New fuction.
6761 * targhooks.h (default_narrow_bitfield): add prototype.
6762 * target.h (gcc_target): Add narrow_volatile_bitfield.
6763 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6764 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
6765 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
6766 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6768 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
6770 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
6772 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
6773 (NR_C_MODES): Add TDmode, DDmode and SDmode.
6774 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
6775 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
6776 (s390_function_arg_float): Allow SDmode and DDmode values to be
6777 passed in floating point registers.
6778 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
6779 check with SCALAR_FLOAT_MODE_P.
6780 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
6782 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6784 PR tree-optimization/25985
6785 * tree-ssa-loop-niter.c (number_of_iterations_le,
6786 number_of_iterations_ne): Make comments more precise.
6787 (number_of_iterations_cond): Add only_exit argument. Use the
6788 fact that signed variables do not overflow only when only_exit
6790 (loop_only_exit_p): New.
6791 (number_of_iterations_exit): Pass result of loop_only_exit_p to
6792 number_of_iterations_cond.
6794 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6796 PR tree-optimization/26643
6797 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
6800 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
6802 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
6803 (divsi3_i4_int): Likewise.
6805 2006-03-28 Roger Sayle <roger@eyesopen.com>
6807 * expr.c (emit_group_store): Only create a new pseudo reg if the
6808 quantity it needs to hold isn't already a suitable pseudo.
6810 2006-03-28 Jeff Law <law@redhat.com>
6812 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
6813 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
6815 2006-03-28 Roger Sayle <roger@eyesopen.com>
6817 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
6818 the equivalent ~X & Y, and the symmetry related transformations.
6819 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
6820 ~X & Y, and symmetry related transforms.
6822 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6824 Revert my 2006-03-27 patches.
6826 2006-03-28 Roger Sayle <roger@eyesopen.com>
6828 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
6829 ~(T1)X, when T1 and T2 are integer types of the same precision
6830 and (T2)X isn't an extension.
6832 2006-03-28 Jeff Law <law@redhat.com>
6834 PR tree-optimization/26796
6835 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
6836 need EH edge cleanups rather than purging them immediately.
6837 (eliminate_degenerate_phis): Handle queued EH cleanups.
6839 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
6841 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
6844 2006-03-27 Roger Sayle <roger@eyesopen.com>
6847 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
6848 cast BIT_NOT_EXPR operand to the correct type.
6850 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
6852 * tree-loop-linear.c: Don't include varray.h.
6853 (gather_interchange_stats, try_interchange_loops,
6854 linear_transform_loops): Use VEC instead of VARRAY.
6855 * lambda-mat.c: Don't include varray.h.
6856 * tree-chrec.c: Same.
6857 * lambda-trans.c: Same.
6858 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
6859 VEC instead of VARRAY.
6860 * tree-vectorizer.h: Idem.
6861 * tree-data-ref.c (dump_data_references,
6862 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
6863 initialize_data_dependence_relation, finalize_ddr_dependent,
6864 compute_all_dependences, find_data_references_in_loop,
6865 compute_data_dependences_for_loop, analyze_all_data_dependences,
6866 free_dependence_relation, free_dependence_relations,
6867 free_data_refs): Idem.
6868 * tree-data-ref.h (data_reference_p, subscript_p): New.
6869 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
6870 VEC instead of VARRAY.
6871 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
6872 (find_data_references_in_loop, compute_data_dependences_for_loop,
6873 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
6874 dump_data_dependence_relations, free_dependence_relations,
6875 free_data_refs): Adjust declaration.
6876 (lambda_transform_legal_p): Move declaration here...
6877 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
6878 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
6879 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
6880 vect_analyze_data_refs): Use VEC instead of VARRAY.
6881 * lambda.h (lambda_transform_legal_p): ...from here.
6882 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
6883 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
6884 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
6885 tree-chrec.o): Don't depend on VARRAY_H.
6887 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6889 * rtl.def (Copyright): Update date.
6890 (DEPS_LIST): Change type of the second operand to 'int'.
6891 * target.h (Copyright): Update date.
6892 (struct gcc_target.speculate_insn): Change type of the second parameter
6894 * lists.c (Copyright): Update date.
6895 (alloc_DEPS_LIST): Change signature. Update reference to the second
6896 operand of the DEPS_LIST.
6897 (copy_DEPS_LIST_list): Update reference to the second operand of the
6899 * rtl.h (Copyright): Update date.
6900 (alloc_DEPS_LIST): Update signature.
6901 * sched-int.h (Copyright): Update date.
6902 (ds_t): Change typedef to 'int'.
6903 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6905 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6907 * haifa-sched.c (Copyright): Update date.
6908 (try_ready): Change condition to restore non-speculative pattern
6910 (process_insn_depend_be_in_spec): Code to keep probability of the
6911 speculative dependence non-decreasing.
6913 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
6915 * regrename.c (replace_oldest_value_addr): Initialize a variable to
6916 shut up the compiler.
6918 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
6920 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
6921 to use lib prefix for target.
6922 ($(T)libic_invalidate_array_4-200.a): Likewise.
6923 ($(T)libic_invalidate_array_4a.a): Likewise.
6925 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
6926 J"orn Rennecke <joern.rennecke@st.com>
6928 * superh.opt: New file.
6929 * sh.c (boardtype, osruntime): Remove.
6930 * superh.h (SUBTARGET_OPTIONS): Remove.
6931 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
6933 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
6934 arguments with ^ and/or [].
6936 * config.gcc (sh-*-*): Add quoting to account for quirk of
6938 Replace == with = in enable_incomplete_targets test.
6940 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
6941 with MASK_LITTLE_ENDIAN.
6943 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
6944 * config/sh/sh.opt: Added to some comments.
6945 * config/sh/superh.h: Removed some chaff.
6947 * config/sh/sh.opt: Add m4-[1234]00* options.
6948 * config/sh/sh.c (sh_handle_option): Likewise.
6949 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
6950 (ic_invalidate_array_4-100.o): New rule.
6951 ($(T)libic_invalidate_array_4-100.a): Likewise.
6952 (ic_invalidate_array_4-200.o): Likewise.
6953 ($(T)libic_invalidate_array_4-200.a): Likewise.
6954 (ic_invalidate_array_4a.o): Likewise.
6955 ($(T)libic_invalidate_array_4a.a): Likewise.
6956 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
6957 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
6959 * config/sh/crt1.asm: Merged in profiling code.
6960 * config/sh/superh.h (STARTFILE_SPEC): Override.
6961 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
6962 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
6963 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
6965 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
6966 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
6967 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
6969 * sh.opt (mpretend-cmove): New option.
6970 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
6971 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
6972 (movsicc): Add TARGET_PRETEND_CMOVE code.
6974 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
6976 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
6977 s390_class_max_nregs): New function prototypes.
6978 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
6979 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
6980 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
6981 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
6983 2006-03-26 Geoffrey Keating <geoffk@apple.com>
6985 * dwarf2out.c (add_location_or_const_value_attribute): Call
6986 tree_add_const_value_attribute if nothing else works.
6987 (reference_to_unused): New.
6988 (rtl_for_decl_init): Use reference_to_unused to decide whether
6989 to output an initializer.
6991 2006-03-27 Alan Modra <amodra@bigpond.net.au>
6994 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
6995 peephole removing spe frob_di_df_2.
6997 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
6999 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
7000 (subscript_dependence_tester_1): Declared.
7001 (print_dir_vectors, print_dist_vectors): New.
7002 (debug_data_dependence_relation): New.
7003 (dump_data_dependence_relation): Print more details.
7004 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
7005 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
7006 (save_dist_v, save_dir_v, add_outer_distances,
7007 build_classic_dist_vector_1): New.
7008 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
7009 Don't test for lambda_vector_lexico_pos.
7010 (same_access_functions, add_multivariate_self_dist,
7011 add_other_self_distances, dir_from_dist): New.
7012 (build_classic_dir_vector): Replace implementation almost identical to
7013 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
7015 (subscript_dependence_tester_1): New.
7016 (subscript_dependence_tester): Handle the lexicographically negative
7017 distance vectors by recomputing the dependence relation.
7018 (compute_affine_dependence): Remove parameter loop_nest_depth.
7019 (compute_self_dependence): Don't call compute_subscript_distance.
7020 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
7021 Add a parameter for the loop_nest.
7022 (find_loop_nest_1, find_loop_nest): New.
7023 (compute_data_dependences_for_loop): Compute the loop nest, and give
7024 up if the nest is not well formed.
7025 * tree-data-ref.h (loop_p): New.
7026 (struct data_dependence_relation): Replace size_vect field with
7027 loop_nest, a vec of loops.
7028 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
7029 (DDR_LOOP_NEST): New.
7030 (print_dir_vectors, print_dist_vectors,
7031 debug_data_dependence_relation): Declared.
7032 (index_in_loop_nest): New.
7033 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
7034 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
7037 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
7039 * simplify-rtx.c (simplify_relational_operation): Call
7040 simplify_relational_operation_1 even if mode is VOIDmode.
7042 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
7044 PR tree-optimization/26804
7045 * tree.h (DECL_CALL_CLOBBERED): New macro.
7046 (tree_decl_common): Add call_clobbered_flag.
7047 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
7048 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
7049 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
7050 (mark_non_addressable): Ditto.
7051 * tree-ssa.c (verify_call_clobbered): New function.
7052 (verify_alias_info): Use it.
7053 * tree-pass.h (pass_reset_cc_flags): New prototype.
7054 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
7055 (reset_cc_flags): New function.
7056 * passes.c (init_optimization_passes): Call reset_cc_flags after
7057 initializing referenced_vars.
7059 2006-03-25 Uros Bizjak <uros@kss-loka.si>
7060 Roger Sayle <roger@eyesopen.com>
7063 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
7064 to 1.0 for non-real operands. Implement A / A optimization for
7067 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
7069 * config/i386/i386.c (size_cost): Correct the comment for
7070 cost of storing fp registers.
7071 (i386_cost): Likewise.
7072 (i486_cost): Likewise.
7073 (pentium_cost): Likewise.
7074 (pentiumpro_cost): Likewise.
7075 (k6_cost): Likewise.
7076 (athlon_cost): Likewise.
7077 (k8_cost): Likewise.
7078 (pentium4_cost): Likewise.
7079 (nocona_cost): Likewise.
7080 (generic64_cost): Likewise.
7081 (generic32_cost): Likewise.
7083 2006-03-24 Denis Chertykov <denisc@overta.ru>
7085 * config/avr/avr-protos.h (extra_constraint): Delete.
7086 (extra_constraint_Q): New declaration.
7087 * config/avr/constraints.md: New file.
7088 * config/avr/avr.md: Include it.
7089 (REG_X, REG_Y, REG_Z, REG_W): New constants.
7090 (TMP_REGNO, ZERO_REGNO): Likewise.
7091 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
7092 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
7093 (extra_constraint): Delete.
7094 (extra_constraint_Q): Test for memory constraint 'Q'.
7095 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
7096 (REG_CLASS_FROM_LETTER): Delete.
7097 (CONST_OK_FOR_LETTER_P): Delete.
7098 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7099 (EXTRA_CONSTRAINT): Delete.
7100 (TMP_REGNO): Delete.
7101 (ZERO_REGNO): Delete.
7103 2006-03-24 Jeff Law <law@redhat.com>
7105 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
7106 directly. Call mark_new_vars_to_rename slightly earlier.
7108 2006-03-24 Geoffrey Keating <geoffk@apple.com>
7110 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
7112 (gen_compile_unit_die): Use new language types for Objective-C and
7114 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
7115 DW_LANG_C_plus_plus.
7118 * config/t-darwin (crt3.o): Work around bug 26840.
7119 * config/darwin-crt3.c: Rewrite.
7120 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
7122 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
7124 * doc/invoke.texi: Document -femit-class-debug-always
7125 * common.opt: Add -femit-class-debug-always.
7127 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
7129 * config/s390/s390.c (s390_decompose_address): Allow SImode for
7130 index and base register.
7131 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
7132 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
7133 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
7134 REGNO_OK_FOR_INDEX_P.
7135 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
7137 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
7138 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
7139 REG_OK_FOR_BASE_P): Definitions removed.
7141 2006-03-24 Jakub Jelinek <jakub@redhat.com>
7144 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
7145 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
7146 set yet or weren't marked as local yet.
7148 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
7150 * regrename.c (scan_rtx_address): Initialize a variable to shut up
7153 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
7155 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
7156 (rs6000_legitimate_small_data_p): Delete.
7157 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
7158 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
7159 and make static. Add forward declaration. Update uses.
7160 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
7161 of offsettable_memref_p.
7162 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
7163 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
7165 2006-03-24 Jeff Law <law@redhat.com>
7167 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
7168 around bug in immediate-use iterator.
7170 2006-03-24 Alan Modra <amodra@bigpond.net.au>
7173 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
7174 or __LITTLE_ENDIAN__.
7176 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
7178 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
7179 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
7180 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
7181 * config/sh/sh.opt (mdiv=): Amend description.
7182 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
7183 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
7184 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
7185 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
7186 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
7187 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
7188 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
7189 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
7190 TARGET_DIVIDE_CALL_FP.
7192 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7194 * haifa-sched.c (choose_ready): Fix type of the local variable.
7195 Move local variables. Add comment.
7196 (check_reg_live): Change signature. Make callable from debugger.
7197 * sched-int.h (check_reg_live): Update signature.
7198 * sched-ebb.c (check_reg_live): Update parameters.
7199 * sched-rgn.c (check_reg_live): Ditto.
7200 (region_head_or_leaf_p): Check pointer before dereferencing.
7201 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
7202 before reload on optimization levels below 1.
7204 2006-03-23 Richard Henderson <rth@redhat.com>
7206 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
7210 * config/alpha/predicates.md (local_symbolic_operand): Reject
7213 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
7216 * tree-ssa-pre.c (create_value_expr_from): Don't reject
7217 expressions which have overflowed constants.
7219 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7221 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
7223 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7225 * cfgloopmanip.c (create_loop_notes): Removed.
7226 * final.c (final_scan_insn): Do not handle loop notes.
7227 * jump.c (squeeze_notes): Ditto.
7228 * cfglayout.c (skip_insns_after_block,
7229 duplicate_insn_chain): Ditto.
7230 * cfgcleanup.c (rest_of_handle_jump2): Do not call
7232 * cfgloop.h (create_loop_notes): Declaration removed.
7234 2006-03-23 Richard Sandiford <richard@codesourcery.com>
7236 * varasm.c (output_constant_pool): Restore fnname and fndecl
7238 (assemble_start_function): Adjust call accordingly.
7239 (assemble_end_function): Likewise.
7241 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7244 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
7247 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
7249 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7252 * system.h (ICE_EXIT_CODE): New macro.
7253 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
7254 (diagnostic_action_after_output): Likewise.
7255 * gcc.c (fatal_ice): New function.
7256 (execute): Use it instead of fatal.
7257 (fancy_abort): Likewise.
7258 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
7260 2006-03-22 Jeff Law <law@redhat.com>
7262 * loop-unroll.c (analyze_iv_to_split_insn): Handle
7263 iv_analyze_result returning false.
7265 2006-03-22 Jie Zhang <jie.zhang@analog.com>
7267 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
7269 2006-03-22 Richard Henderson <rth@redhat.com>
7272 * except.c (duplicate_eh_regions_0): New.
7273 (duplicate_eh_region_1): Duplicate the children of the node as
7274 well as the node itself. Link them up properly.
7275 (duplicate_eh_region_2): Merge into ...
7276 (duplicate_eh_regions): ... here. Take copy_region argument, and
7277 copy only a sub-tree if asked. Simplify copying and fixup.
7278 (eh_region_outer_p): New.
7279 * except.h (duplicate_eh_regions): Update decl.
7280 (eh_region_outer_p): Declare.
7281 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
7282 (lower_omp_master): Likewise.
7283 (lower_omp_ordered): Likewise.
7284 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
7285 (move_stmt_r): Use it to remap labels. Handle recursion vs
7286 remap_decls_p properly.
7287 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
7288 (find_outermost_region_in_block): New.
7289 (new_label_mapper): New.
7290 (move_sese_region_to_fn): Copy eh information to the new function
7292 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
7294 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
7297 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7299 * doc/md.texi (-mshared): Mention that -mshared code can be linked
7300 into shared libraries.
7302 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7304 * doc/md.texi: Refer to i386/constraints.md instead of
7306 * config/i386/constraints.md: New file, extracted from...
7307 * config/i386/predicates.md: ...here.
7308 * config/i386/i386.md: Include constraints.md.
7310 2006-03-21 Jason Merrill <jason@redhat.com>
7312 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
7315 * expr.c (init_block_move_fn): Force default visibility.
7316 (init_block_clear_fn): Likewise.
7317 * builtins.c (expand_builtin_fork_or_exec): Likewise.
7318 * targhooks.c (default_external_stack_protect_fail): Likewise.
7320 2006-03-21 Richard Sandiford <richard@codesourcery.com>
7322 * config/mips/predicates.md (const_call_insn_operand): Allow direct
7323 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
7324 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
7325 Use TARGET_OLDABI instead of !TARGET_NEWABI.
7326 (loadgp): Use mips_current_loadgp_style.
7327 (loadgp_noshared): New pattern.
7328 (sibcall_internal): Use MIPS_CALL.
7329 (sibcall_value_internal): Likewise.
7330 (sibcall_value_multiple_internal): Likewise.
7331 (call_internal): Likewise.
7332 (call_value_internal): Likewise.
7333 (call_value_multiple_internal): Likewise.
7334 (call_split): Use MIPS_CALL and add an 'S' constraint.
7335 (call_value_split): Likewise.
7336 (call_value_multiple_split): Likewise.
7337 * config/mips/mips.opt (-mabicalls): Tweak docstring.
7338 (-mshared): New option.
7339 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
7340 (mips_current_loadgp_style): Declare.
7341 * config/mips/mips.c (mips_classify_symbol): Avoid using
7342 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
7343 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
7344 TARGET_ABSOLUTE_ABICALLS.
7345 (override_options): Adjust comments. Improve the warning that is
7346 issued when -mabicalls and -G are used together.
7347 (mips_file_start): Remove comment.
7348 (mips_current_loadgp_style): New function.
7349 (mips_gnu_local_gp): New variable.
7350 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
7352 (mips_output_function_prologue): Use mips_current_laodgp_style.
7353 (mips_expand_prologue): Call mips_emit_loadgp before emitting
7354 the cprestore instruction.
7355 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
7356 live for TARGET_ABSOLUTE_ABICALLS.
7357 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
7358 (ASM_SPEC): Pass down -mshared and -mno-shared.
7359 (MIPS_CALL): New macro.
7360 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
7362 * doc/invoke.texi (-mabicalls): Update documentation.
7363 (-mshared): Document.
7365 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7367 * config/ia64/unwind-hpux.c: New file.
7368 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
7370 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7373 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
7375 2006-03-21 Jeff Law <law@redhat.com>
7377 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
7378 type conversions of a VR_VARYING source to a wider type.
7380 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
7382 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
7383 tm_file on Solaris 10 and later.
7384 (sparc64-*-solaris2*): Likewise.
7385 (sparc-*-solaris2*): Likewise.
7386 * config/sol26.h: Rename to config/sol2-6.h.
7387 * config/sol2-10.h: New file.
7389 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
7392 * tree-ssa-pre.c (create_component_ref_by_pieces):
7395 2006-03-21 Jakub Jelinek <jakub@redhat.com>
7398 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
7399 return it immediately.
7401 2006-03-21 Michael Matz <matz@suse.de>
7403 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
7405 (remove_arc, add_arc): Update num_out_arcs member.
7406 (set_out_arc_insns_equiv_num): Returns nothing instead of number
7408 (cache_presence): New function.
7409 (compare_states_for_equiv): New function.
7410 (state_is_differed): Don't take number of outargs, adjust callers.
7411 Use new invariant for speeding up.
7412 (init_equiv_class): Create initial classes based on sorted
7414 (partition_equiv_class): Don't track out_arcs_num.
7415 (evaluate_equiv_classes): Call cache_presence on all states and
7418 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
7420 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
7421 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
7422 (bfin_valid_reg_p): Test for pseudos explicitly and use only
7423 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
7425 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
7426 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
7427 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
7428 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
7429 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
7431 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
7432 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
7433 (REGNO_REG_CLASS): ARGP is in PREGS.
7434 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
7436 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
7437 to deal with those addresses.
7438 * addresses.h: New file.
7439 * caller-save.c: Include "addresses.h".
7440 (init_caller_save): Use new base_reg_class function.
7441 * rtl-factoring.c: Include "addresses.h".
7442 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
7443 * recog.c: Include "addresses.h".
7444 (preprocess_constraints): Use new base_reg_class function.
7445 * regrename.c: Include "addresses.h".
7446 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
7447 functions. Keep track of a new var INDEX_CODE to compute valid
7449 (replace_oldest_value_addr): Likewise.
7450 (replace_oldest_value_mem): Use base_reg_class.
7451 * reload.c: Include "addresses.h".
7452 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
7453 (find_reloads): Use new base_reg_class function.
7454 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
7455 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
7456 all callers and prototype changed.
7457 * reload1.c: Include "addresses.h".
7458 (maybe_fix_stack_asms): Use base_reg_class.
7459 * regclass.c: Include "addresses.h".
7460 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
7461 (init_reg_autoinc): Use new base_reg_class function.
7462 (record_reg_classes): Likewise.
7463 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
7464 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
7465 Use new args to compute necessary class.
7467 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
7468 regrename.o, rtl-factoring.o): Update dependencies.
7469 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
7470 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
7471 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
7472 REG_OK_FOR_INDEX_P): Delete documentation.
7474 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
7476 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
7477 from V7 to V9 for Solaris 7 and above.
7479 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
7481 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
7482 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
7483 argument pointers may not alias any other storage.
7484 * common.opt: Define option -fargument-noalias-anything.
7485 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
7486 alias semantics is specified by flag_argument_noalias > 2.
7488 2006-03-20 Jeff Law <law@redhat.com>
7490 * tree-pass.h (pass_phi_only_copy_prop): Delete.
7491 (pass_phi_only_cprop): Declare.
7492 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
7494 * tree-ssa-dom.c (degenerate_phi_result): New function.
7495 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
7496 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
7497 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
7498 (eliminate_degenerate_phis): Likewise.
7499 (pass_phi_only_cprop): New pass descriptor.
7500 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
7501 support code. Callers updated.
7502 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
7503 (store_copy_prop): Likewise.
7504 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
7506 2006-03-20 Jason Merrill <jason@redhat.com>
7509 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
7510 (push_visibility, pop_visibility): Likewise.
7511 * c-pragma.h: Declare them.
7513 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
7515 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
7517 * config/sh/sh.c (find_regmode_weight): Change the type of the first
7518 parameter and use get_ebb_head_tail.
7519 (sh_md_init_global): Adjust uses of find_regmode_weight.
7521 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
7523 * function.h (struct function) <x_tail_recursion_reentry>:
7524 Rename to x_stack_check_probe_note.
7525 (tail_recursion_reentry): Rename to stack_check_probe_note.
7526 * function.c: Replace tail_recursion_reentry with
7527 stack_check_probe_note everywhere.
7528 (expand_function_start): Only emit a note for
7529 stack_check_probe_note with -fstack-protect.
7530 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
7532 * emit-rtl.c (remove_unnecessary_notes): Remove.
7533 (pass_remove_unnecessary_notes): Remove.
7534 * rtl.h (remove_unnecessary_notes): Remove prototype.
7535 * final.c (final_start_function): Don't call remove_unnecessary_notes.
7536 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
7537 * passes.c (pass_remove_unnecessary_notes): Don't run it.
7539 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
7542 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
7543 (valid_in_set): Handle ARRAY_REF.
7544 Change "if min_variant or VH" to asserts.
7545 (create_component_ref_by_pieces): Handle ARRAY_REF.
7546 (create_expression_by_pieces): Likewise.
7547 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
7549 2006-03-20 David Edelsohn <edelsohn@gnu.org>
7551 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
7552 is operand of switch, not str[0].
7554 2006-03-20 Alan Modra <amodra@bigpond.net.au>
7556 * config/rs6000/rs6000.c (rs6000_handle_option): Use
7557 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
7559 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7561 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
7562 end of insn_extra_address_constraint declaration.
7564 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7566 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
7567 (no-sum-in-toc): Same.
7568 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
7570 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
7571 NO_FP_IN_TOC for -fPIC instead of mask.
7573 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
7574 (BOOT_LDFLAGS): Delete.
7576 * config/rs6000/t-aix52: Same.
7578 * config/rs6000/rs6000.md (store_multiple_power): Delete.
7579 (stmsi[345678]_power): New.
7581 2006-03-17 Steve Ellcey <sje@cup.hp.com>
7583 * config/ia64/ia64.opt: Add empty line to end of file.
7585 2006-03-17 Richard Guenther <rguenther@suse.de>
7588 * builtins.c (get_pointer_alignment): For component style references
7589 adjust alignment to the component type alignment. Make sure
7590 to adjust alignment for component access of constants.
7592 2006-03-17 David Edelsohn <edelsohn@gnu.org>
7594 * config/rs6000/rs6000.md (strlensi): Emit barrier after
7597 2006-03-17 Paul Brook <paul@codesourcery.com>
7599 * doc/install.texi: Docuemnt --with-mode.
7600 * config.gcc: Add --with-mode for arm*-*-*.
7601 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
7603 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
7605 * sh.c (max_labelno_before_reorg): New variable.
7606 (sh_reorg): Initialize it.
7607 (find_barrier): Check max_labelno_before_reorg before using
7608 label_to_alignment. Take length of explicit alignment insns
7609 into account. When seeing a UNSPECV_CONST_END, return it.
7611 * sh.c (fixup_mova): Set mode of affected label to QImode.
7612 (untangle_mova): New function.
7613 (find_barrier): Use it. Check mode of label before decrementing
7615 (sh_reorg): Likewise.
7616 Set mode of all insns back to VOIDmode.
7618 * sh.c (MOVA_LABELREF): New macro.
7619 (mova_p, fixup_mova, sh_reorg): Use it.
7620 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
7621 ADDR_DIFF_VEC matches mova.
7623 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
7625 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
7626 with ATTRIBUTE_UNUSED.
7628 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7630 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7631 pointer, instead of assuming it is possible to derive the
7632 correct args size from a call insn.
7634 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7636 * rtl.h (CONST_INT_P): Define.
7637 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
7638 instead of GET_CODE(x) == CONST_INT.
7639 (vax_rtx_costs): Likewise.
7640 (vax_output_int_move): Likewise.
7641 (vax_output_int_add): Likewise.
7642 (legitimate_constant_address_p): Likewise.
7643 (index_term_p): Likewise.
7644 * config/vax/vax.h (PRINT_OPERAND): Likewise.
7645 * config/vax/vax.md (and<mode>3): Likewise.
7646 (ashrsi3): Likewise.
7648 (movstricthi): Likewise.
7649 (movstrictqi): Likewise.
7650 (rotrsi3): Likewise.
7651 (five unnamed insns): Likewise.
7653 2006-03-16 Geoffrey Keating <geoffk@apple.com>
7655 * doc/tm.texi (SDB and DWARF): Add extra parameter to
7656 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
7657 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
7658 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
7659 Pass to ASM_OUTPUT_DWARF_OFFSET.
7660 * dwarf2out.c (debug_frame_section): New.
7661 (output_call_frame_info): Use debug_frame_section. Pass it to
7662 dw2_asm_output_offset.
7663 (output_die): Pass appropriate section to dw2_asm_output_offset.
7664 (output_compilation_unit_header): Likewise.
7665 (output_pubnames): Likewise.
7666 (output_aranges): Likewise.
7667 (enum dw_val_class): Break dw_val_class_lbl_offset into
7668 dw_val_class_lineptr and dw_val_class_macptr.
7669 (add_AT_lbl_offset): Delete.
7670 (add_AT_lineptr): New.
7671 (add_AT_macptr): New.
7672 (AT_lbl): Expect a lineptr or macptr.
7673 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
7674 (attr_checksum): Likewise.
7675 (same_dw_val_p): Likewise.
7676 (size_of_die): Likewise.
7677 (value_format): Likewise.
7678 (output_die): Likewise.
7679 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
7681 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7682 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
7683 * config/darwin-protos.h (darwin_file_start): New.
7684 (darwin_asm_output_dwarf_offset): New.
7685 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7686 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
7688 * config/darwin.c (darwin_emit_unwind_label): Don't output label
7689 if not EH section; simplify.
7690 (darwin_file_start): New.
7691 (darwin_asm_output_dwarf_offset): New.
7692 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
7694 (DEBUG_INFO_SECTION): Likewise.
7695 (DEBUG_ABBREV_SECTION): Likewise.
7696 (DEBUG_ARANGES_SECTION): Likewise.
7697 (DEBUG_MACINFO_SECTION): Likewise.
7698 (DEBUG_LINE_SECTION): Likewise.
7699 (DEBUG_LOC_SECTION): Likewise.
7700 (DEBUG_PUBNAMES_SECTION): Likewise.
7701 (DEBUG_STR_SECTION): Likewise.
7702 (DEBUG_RANGES_SECTION): Likewise.
7703 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
7704 (ASM_OUTPUT_DWARF_OFFSET): New.
7706 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
7708 * config.gcc (tm_defines): Always add to previous value rather
7711 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7713 * config/mips/predicates.md (splittable_const_int_operand): New,
7714 split from move_operand.
7715 (splittable_symbolic_operand): New.
7716 (move_operand): Add commentary. Use splittable_const_int_operand.
7717 Inline mips_atomic_symbolic_constant_p.
7718 * config/mips/mips.md: Add combine splitters for handling moves
7719 of splittable_const_int_operands and splittable_symbolic_operands.
7720 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
7721 (mips_split_symbol): Declare.
7722 (mips_move_integer): Declare.
7723 * config/mips/mips.c (mips_split_p): Make global.
7724 (TARGET_MIN_ANCHOR_OFFSET): Override default.
7725 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7726 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7727 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
7728 (mips_offset_within_object_p): Handle block symbols.
7729 (mips_atomic_symbolic_constant_p): Delete.
7730 (mips_cannot_force_const_mem): Return false for constants that
7731 mips_legitimize_move can handle.
7732 (mips_use_blocks_for_constant_p): New function.
7733 (mips_split_symbol): Make global.
7734 (mips_move_integer): Likewise. Add a temporary register argument.
7735 (mips_legitimize_const_move): Use splittable_const_int_operand and
7736 splittable_symbolic_operand.
7737 (mips_use_anchors_for_symbol_p): New function.
7738 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
7739 (mips_split_p): Declare.
7741 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7743 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
7744 (mips*-*-linux*): Likewise.
7746 2006-03-16 Roger Sayle <roger@eyesopen.com>
7747 Daniel Speyer <dspeyer@wam.umd.edu>
7750 * tree-dump.c (dump_real): New function.
7751 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
7752 * Makefile.in (REAL_H): New macro for dependencies on real.h.
7753 (tree-dump.o): Add $(REAL_H) to the dependencies.
7755 2006-03-16 Roger Sayle <roger@eyesopen.com>
7758 * real.c (real_from_string): If the mantissa is zero, don't bother
7759 parsing the exponent as the result should always be zero.
7761 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
7763 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
7765 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7767 * config/ia64/ia64.c (stops_p): Added explicit initialization.
7768 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
7769 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
7770 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
7771 ia64_sched_finish_global): New static functions to implement
7772 hooks from gcc_target.sched.
7773 (spec_check_no, max_uid, pending_data_specs): New static variables.
7774 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
7775 ia64_spec_check_src_p): New static functions.
7776 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
7777 (TARGET_SCHED_ADJUST_COST): Removed.
7778 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
7779 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
7780 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7781 TARGET_SCHED_GEN_CHECK,
7782 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7783 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
7784 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
7785 Fixed to handle speculation checks.
7786 (rtx_needs_barrier): Fixed to handle speculative loads and
7788 (ia64_variable_issue): Added code to count speculative loads and their
7790 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
7792 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
7794 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
7796 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
7797 (ia64_reorg): Reset stops_p to NULL after it is freed.
7798 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
7799 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
7800 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
7802 (data_speculative, control_speculative, check_load): New attributes.
7803 (mov<mode>_advanced, mov<mode>_speculative,
7804 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
7805 zero_extend<mode>di2_speculative,
7806 zero_extend<mode>di2_speculative_advanced): New patterns for
7807 data and control speculative loads.
7808 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
7810 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
7811 New pattern for data and control speculation checks.
7812 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
7813 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
7814 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
7815 Auxiliary definitions for the patterns.
7816 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
7817 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
7819 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
7821 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
7822 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
7823 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
7824 New resource constraints.
7825 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
7827 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
7828 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
7829 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7830 msched-in-control-spec, msched-ldc, msched-control-ldc,
7831 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7832 msched-prefer-non-control-spec-insns,
7833 msched-count-spec-in-critical-path): New flags to tune speculative
7835 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
7836 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7837 msched-in-control-spec, msched-ldc, msched-control-ldc,
7838 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7839 msched-prefer-non-control-spec-insns,
7840 msched-count-spec-in-critical-path): Document new flags.
7842 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7844 * target.h (struct spec_info_def): New opaque declaration.
7845 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
7846 speculate_insn, needs_block_p, gen_check,
7847 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
7848 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
7849 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
7850 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
7851 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7852 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
7854 (TARGET_SCHED): Use new macros.
7855 * rtl.h (copy_DEPS_LIST_list): New prototype.
7856 * sched-int.h (struct sched_info): Change signature of new_ready field,
7857 adjust all initializations. New fields: add_remove_insn,
7858 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
7859 region_head_or_leaf_p.
7860 (struct spec_info_def): New structure declaration.
7861 (spec_info_t): New typedef.
7862 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
7863 recovery_block, orig_pat.
7864 (glat_start, glat_end): New variables declaraions.
7865 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
7867 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
7868 DETACH_LIFE_INFO, USE_GLAT.
7869 (enum SPEC_SCHED_FLAGS): New enumeration.
7870 (NOTE_NOTE_BB_P): New macro.
7871 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
7872 attach_life_info, debug_spec_status, check_reg_live): New functions.
7873 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
7874 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
7876 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
7877 * ddg.c (get_block_head_tail): Adjust all uses.
7878 * modulo-sched.c (get_block_head_tail): Adjust all uses.
7879 (sms_sched_info): Initialize new fields.
7880 (contributes_to_priority): Removed.
7881 * haifa-sched.c (params.h): New include.
7882 (get_block_head_tail): Adjust all uses.
7883 (ISSUE_POINTS): New macro.
7884 (glat_start, glat_end): New global variables.
7885 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
7886 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
7887 old_last_basic_block, before_recovery, current_sched_info_var,
7888 rgn_n_insns, luid): New static variables.
7889 (insn_cost1): New function. Move logic from insn_cost to here.
7890 (find_insn_reg_weight1): New function. Move logic from
7891 find_insn_reg_weight to here.
7892 (reemit_notes, move_insn, max_issue): Change signature.
7893 (move_insn1): Removed.
7894 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
7895 extend_bb): New static functions to support extension of scheduler's
7897 (generate_recovery_code, process_insn_depend_be_in_spec,
7898 begin_speculative_block, add_to_speculative_block,
7899 init_before_recovery, create_recovery_block, create_check_block_twin,
7900 fix_recovery_deps): New static functions to support
7901 generation of recovery code.
7902 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
7903 restore_bb_notes, move_block_after_check, move_succs): New static
7904 functions to support ebb scheduling.
7905 (init_glat, init_glat1, attach_life_info1, free_glat): New static
7906 functions to support handling of register live information.
7907 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
7908 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
7909 add_jump_dependencies): New static functions.
7910 (check_cfg, has_edge_p, check_sched_flags): New static functions for
7911 consistancy checking.
7912 (debug_spec_status): New function to call from debugger.
7913 (priority): Added code to handle speculation checks.
7914 (rank_for_schedule): Added code to distinguish speculative instructions.
7915 (schedule_insn): Added code to handle speculation checks.
7916 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
7917 Fixed to handle ebbs.
7918 (move_insn): Added code to handle ebb scheduling.
7919 (max_issue): Added code to use ISSUE_POINTS of instructions.
7920 (choose_ready): Added code to choose between speculative and
7921 non-speculative instructions.
7922 (schedule_block): Added code to handle ebb scheduling and scheduling of
7923 speculative instructions.
7924 (sched_init): Initialize new variables.
7925 (sched_finish): Free new variables. Print statistics.
7926 (try_ready): Added code to handle speculative instructions.
7927 * lists.c (copy_DEPS_LIST_list): New function.
7928 * sched-deps.c (extend_dependency_caches): New function. Move logic
7929 from create_dependency_caches to here.
7930 (get_dep_weak, ds_merge): Make global.
7931 * genattr.c (main): Code to output prototype for
7932 dfa_clear_single_insn_cache.
7933 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
7934 (output_dfa_clean_insn_cache_func): Code to output
7935 dfa_clear_single_insn_cache function.
7936 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
7938 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
7940 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
7941 New static variables.
7942 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
7943 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
7945 (ebb_sched_info): Initialize new fields.
7946 (get_block_head_tail): Adjust all uses.
7947 (compute_jump_reg_dependencies): Fixed to use glat_start.
7948 (schedule_ebb): Code to remove unreachable last block.
7949 (schedule_ebbs): Added code to update register live information.
7950 * sched-rgn.c (region_sched_info): Initialize new fields.
7951 (get_block_head_tail): Adjust all uses.
7952 (last_was_jump): Removed. Adjust users.
7953 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
7954 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
7955 Implement new hooks.
7956 (check_dead_notes1): New static function.
7957 (struct region): New fields: dont_calc_deps, has_real_ebb.
7958 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
7959 (BB_TO_BLOCK): Fixed to handle EBBs.
7960 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
7961 (ebb_head): New static variable.
7962 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
7963 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
7965 (compute_dom_prob_ps): New assertion.
7966 (check_live_1, update_live_1): Fixed to work with glat_start instead of
7967 global_live_at_start.
7968 (init_ready_list): New assertions.
7969 (can_schedule_ready_p): Split update code to begin_schedule_ready.
7970 (new_ready): Add support for BEGIN_CONTROL speculation.
7971 (schedule_insns): Fixed code that updates register live information
7973 (schedule_region): Fixed to handle EBBs.
7974 (init_regions): Use extend_regions and check_dead_notes1.
7975 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
7976 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
7977 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
7978 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7979 TARGET_SCHED_GEN_CHECK,
7980 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7981 TARGET_SCHED_SET_SCHED_FLAGS): Document.
7982 * doc/invoke.texi (max-sched-insn-conflict-delay,
7983 sched-spec-prob-cutoff): Document.
7985 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7987 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
7988 inter_tick, queue_index.
7989 (struct sched_info): Change signature of init_ready_list field.
7990 Adjust all initializations.
7991 (RESOLVED_DEPS): New access macro.
7992 (ready_add): Remove prototype.
7993 (try_ready): Add prototype.
7994 * sched-rgn.c (init_ready_list): Use try_ready.
7995 (schedule_region): Initialize
7996 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
7997 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
7998 (init_ready_list): Use try_ready.
7999 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
8000 * lists.c (remove_list_elem): Remove `static'.
8001 (remove_free_INSN_LIST_elem): New function.
8002 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
8003 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
8004 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
8006 (readyp): New variable.
8007 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
8008 change_queue_index, resolve_dep): New static functions.
8009 (try_ready): New function. Adjust callers in sched-rgn.c and
8010 sched-ebb.c to use it instead of ready_add.
8011 (clock_var): Move at the begining of file.
8012 (rank_for_schedule): Fix typo.
8013 (queue_insn): Add assertion. Handle QUEUE_INDEX.
8014 (ready_lastpos): Enforce assertion.
8015 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
8017 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
8018 (schedule_insn): Rewrite to use try_ready and resolve_dep.
8019 (queue_to_ready): Use free_INSN_LIST_list.
8020 (early_queue_to_ready): Fix typo.
8021 (schedule_block): Init readyp. Move init_ready_list call after the
8022 initialization of clock_var. Fix error in rejecting insn by
8023 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
8024 that previously corrected INSN_TICKs. Add code for handling
8026 (set_priorities): Fix typo.
8027 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
8028 Clarify comment and code that keeps current_sched_info->next_tail
8031 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8033 * sched-rgn.c (extend_rgns): New static function.
8034 (find_rgns): Use it.
8035 (gather_region_statistics, print_region_statistics): New static
8037 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
8038 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
8040 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8041 Andrey Belevantsev <abel@ispras.ru>
8043 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
8044 * lists.c (unused_deps_list): New variable.
8045 (free_list): Add assertions to verify the proper distinguishing
8046 between INSN_LISTs and DEPS_LISTs.
8047 (find_list_elem, remove_list_elem, remove_list_node): New static
8049 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
8050 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
8051 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
8052 (alloc_INSN_LIST): Assert that the list we're working on is indeed
8054 (free_INSN_LIST_node): Likewise.
8055 * modulo-sched.c (current_sched_info): Initialize flags field.
8056 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
8057 * rtl.def (DEPS_LIST): Define.
8058 * rtl.h: Declare new functions from lists.c.
8059 * sched-deps.c (spec_dependency_cache): New static variable.
8060 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
8061 (add_dependence): Change return type to void. Move the logic to ...
8062 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
8063 (delete_all_dependences): Add comment about forward_dependency_cache.
8064 Handle spec_dependency_cache. Handle DEPS_LISTs.
8065 (fixup_sched_groups): Clarify the change of priority of output
8066 and anti dependencies.
8067 (sched_analyze_2): Adjust add_dependence calls to create data
8068 speculative dependence.
8069 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
8070 Adjust all callers. Handle DEPS_LISTS.
8071 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
8072 presence of speculation.
8073 (init_dependency_caches, free_dependency_caches):
8074 Handle spec_dependency_cache.
8075 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
8076 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
8077 New static functions.
8078 (add_or_update_back_dep, add_or_update_back_forw_dep,
8079 add_back_forw_dep, delete_back_forw_dep): New functions.
8080 * sched-int.h (ds_t, dw_t): New typedefs.
8081 (struct sched_info): Add new field flags.
8082 (struct haifa_insn_data): Add new bitfield has_internal_dep.
8083 Prototype new sched-deps.c functions.
8084 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
8085 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
8086 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
8087 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
8088 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
8089 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
8091 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
8093 * sched-rgn.c (current_sched_info): Initialize flags field.
8094 (schedule_insns): Initialize current_sched_info before the sched_init
8096 * sched-ebb.c (current_sched_info): Initialize flags field.
8097 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
8098 Call add_or_update_back_dep instead of add_dependence.
8099 Create control speculative dependencies.
8100 (schedule_insns): Initialize current_sched_info before the sched_init
8103 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
8105 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
8107 (sh_fallback_frame_state): Likewise.
8109 2006-03-15 Geoffrey Keating <geoffk@apple.com>
8111 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
8112 Do switch on default_use_cxa_atexit.
8113 (powerpc*-*-darwin*): Build crt2.o on powerpc.
8114 * config/darwin-crt3.o: New.
8115 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
8116 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
8117 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
8119 * config/rs6000/t-darwin: Move crt2.o building to here.
8120 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
8121 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
8124 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8126 * config/vax/vax.c (nonindexed_address_p): Change logical negation
8127 from '! xxx' to '!xxx' for coding-style conformance.
8128 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
8129 (EXTRA_CONSTRAINT): Likewise.
8130 * config/vax/vax.md (four unnamed insns): Likewise.
8132 2006-03-15 Paul Brook <paul@codesourcery.com>
8134 * config/arm/arm.c (minipool_pad): New.
8135 (add_minipool_forward_ref): Include pool alignment padding in address
8137 (push_minipool_fix): Set minipool_pad.
8138 (minipool_pad): Ditto.
8140 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8142 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
8143 instead of GET_CODE() == MEM and REG_P() instead of
8145 (print_operand_address): Likewise.
8146 (vax_address_cost): Likewise.
8147 (vax_rtx_costs): Likewise.
8148 (vax_notice_update_cc): Likewise.
8149 (vax_output_int_add): Likewise.
8150 (INDEX_REGISTER_P): Likewise.
8151 (BASE_REGISTER_P): Likewise.
8152 (nonindexed_address_p): Likewise.
8153 (vax_mode_dependent_address_p): Likewise.
8154 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
8155 (PRINT_OPERAND): Likewise.
8156 * config/vax/vax.md (ashlsi3): Likewise.
8157 (ashlsi3): Likewise.
8158 (some more unnamed insns): Likewise.
8160 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
8162 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
8163 iterator-style macro.
8164 (mark_control_dependent_edges_necessary): Update the use of
8165 EXECUTE_IF_CONTROL_DEPENDENT.
8167 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
8169 * config/sh/predicates.md (cache_address_operand): Special.
8170 (ua_address_operand): Likewise.
8172 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
8174 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
8176 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
8178 2006-03-15 Andreas Schwab <schwab@suse.de>
8180 * gensupport.c (identify_predicable_attribute): Don't free p_false
8181 when it is still in use.
8183 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
8185 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
8186 the default setting here.
8188 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
8190 * tree-pass.h (pass_cfg): Remove.
8191 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
8192 * passes.c (pass_cfg): Don't run it.
8194 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
8196 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
8197 * reg-stack.c (stack_regs_mentioned_data): Change the type to
8199 (stack_regs_mentioned): Update the uses of
8200 stack_regs_mentioned_data. Don't access the array beyond its
8202 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
8203 Don't include gt-reg-stack.h.
8205 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
8206 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
8208 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
8211 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
8214 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8216 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
8218 2006-03-14 Richard Guenther <rguenther@suse.de>
8220 PR tree-optimization/26672
8221 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
8224 2006-03-14 Richard Guenther <rguenther@suse.de>
8226 PR tree-optimization/26667
8227 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
8228 node for the callees. Always allow inlining if it will shrink
8231 2006-03-14 Richard Guenther <rguenther@suse.de>
8234 * builtins.c (get_pointer_alignment): Prefer alignment
8235 information from decls over that from types.
8237 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
8240 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
8242 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
8244 * config/rs6000/rs6000.opt (mdlmzb): New option.
8245 (msched-prolog, msched-epilog): Use Var not Mask.
8246 * doc/invoke.texi (-mdlmzb): Document.
8247 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
8249 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
8250 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
8252 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
8254 PR rtl-optimization/25739
8255 * bt-load.c (augment_live_range): Free tos pointer.
8257 * gensupport.c (identify_predicable_attribute): Free
8259 * gcov.c (create_file_names): Free name pointer.
8261 2006-03-13 Roger Sayle <roger@eyesopen.com>
8264 * stmt.c (emit_case_nodes): Handle the case where the index is a
8265 CONST_INT, where the comparison mode is specified by the index type.
8267 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8269 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
8272 2006-03-13 Richard Sandiford <richard@codesourcery.com>
8274 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
8275 (*branch_fp_inverted): Likewise.
8277 2006-03-13 Jakub Jelinek <jakub@redhat.com>
8280 * omp-low.c (expand_omp_for_generic): Mark istart0
8281 and iend0 as addressable.
8283 2006-03-13 Jie Zhang <jie.zhang@analog.com>
8285 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
8287 2006-03-13 Jeff Law <law@redhat.com>
8289 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
8290 virtual operands are interesting.
8291 (vrp_visit_stmt): Corresponding changes.
8293 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
8295 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
8297 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
8298 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
8299 * config/bfin/crti.S: Use it instead of __PIC__.
8300 * config/bfin/crtn.S: Likewise.
8302 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
8303 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
8305 Lose 'G' modifier for call operand.
8306 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
8307 recognize 'G' modifier.
8309 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
8312 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
8313 * stmt.c (expand_case): Likewise.
8315 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8317 PR rtl-optimization/26254
8318 * loop-invariant.c (seq_insns_valid_p): New function.
8319 (move_invariant_reg): Only emit new code if it is valid.
8321 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8323 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
8325 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
8326 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
8327 (commit_one_edge_insertion): Do not look for loop notes.
8329 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8331 * jump.c (follow_jumps): Do not check for loop notes. Move check for
8332 flag_test_coverage out of loop.
8334 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8336 * final.c (shorten_branches): Remove outdated comment, and turn
8337 the if branch that guards it to continue.
8339 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8341 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
8342 * cfgloop.h (struct loop): Remove unused fields.
8344 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
8346 * doc/invoke.texi (-fdump-rtl-loop): Remove.
8347 (-dL, -fdump-rtl-loop2): Update the dump file names
8349 * doc/invoke.texi: Update dump file names.
8351 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
8353 * predict.c (estimate_probability): Remove.
8354 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
8355 * basic-block.h (estimate_probability): Remove prototype.
8356 * passes.c (finish_optimization_passes): Dump branch prediction or
8357 profiling heuristics to the .profile tree dump.
8358 (init_optimization_passes): Unqueue pass_branch_prob.
8360 * doc/invoke.texi (-fdump-rtl-bp): Remove.
8362 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8364 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
8365 * rtl.h (LABEL_NEXTREF): Remove field accessor.
8367 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
8369 * function.h (frame_offset_overflow): Declare.
8370 * function.c (frame_offset_overflow): New function.
8371 (assign_stack_local_1): Call it to detect that the offset overflows.
8372 * cfgexpand.c (alloc_stack_frame_space): Likewise.
8374 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8376 * config/sh/sh.c: Include alloc-pool.h.
8377 (label_ref_list_pool): New alloc pool.
8378 (label_ref_list_t): New type for lists of labels.
8379 (struct pool_node): Make wend a label_ref_list_t.
8380 (add_constant): Use the new type, eradicate LABEL_NEXTREF
8382 (dump_table): Likewise.
8383 (sh_reorg): Set up the alloc pool before using add_constant and
8384 dump_table, and destroy it when finishing.
8386 2006-03-11 Richard Sandiford <richard@codesourcery.com>
8388 * config/mips/mips.c: Remove redundant comment.
8390 2006-03-10 Jason Merrill <jason@redhat.com>
8393 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
8394 the target was declared 'register'.
8396 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
8398 * genpreds.c (write_insn_constraint_len): Change definition of
8399 insn_constraint_len to return size_t to match the declaration.
8401 2006-03-10 DJ Delorie <dj@redhat.com>
8403 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
8405 (m32c_expand_insv): Fix test for an AND mask.
8407 2006-03-10 Richard Guenther <rguenther@suse.de>
8410 * builtins.c (get_pointer_alignment): Handle component
8411 references for field alignment.
8413 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8415 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
8416 when building with libgloss.
8417 (sh*elf): Implement --without-fp option.
8418 (sh64-superh-linux*): Don't multilib.
8420 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8422 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
8424 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
8426 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
8427 Set it when one of the replacement functions returned true.
8428 Return TODO_cleanup_cfg if cfgchanged is true.
8429 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
8431 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
8433 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
8434 instead of gen_lowpart.
8436 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8438 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
8440 (mips_output_order_conditional_branch): Declare.
8441 * config/mips/mips.h (MIPS_BRANCH): New macro.
8442 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
8443 for the comparison. Use gen_condjump.
8444 (mips_output_conditional_branch): Rework interface to take the
8445 asm templates for a direct branch and the inverse of a direct branch.
8446 (mips_output_order_conditional_branch): New function.
8447 (mips_builtin_branch_and_move): New function.
8448 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
8449 branch condition. Use gen_single_cc as the condition for
8450 __builtin_mips_upper_* or __builtin_mips_lower_*.
8451 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
8452 Use VOIDmode for the branch condition.
8453 * config/mips/predicates.md (order_operator): New predicate.
8454 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
8455 (branch_fp): Rename to...
8456 (*branch_fp): ...this. Remove mode from comparison operator.
8457 Use new mips_output_conditional_branch interface.
8458 (branch_fp_inverted): Rename to...
8459 (*branch_fp_inverted): ...this and update as for *branch_fp.
8460 (*branch_zero<mode>): Rename to...
8461 (*branch_order<mode>): ...this. Remove mode from comparison operator.
8462 Use mips_output_order_conditional_branch. Only accept ordered
8464 (*branch_zero<mode>_inverted): Rename to...
8465 (*branch_order<mode>_inverted): ...this and update as for
8466 *branch_order<mode>.
8467 (*branch_equality<mode>): Accept zero as the second operand to
8468 the equality operator. Use the new mips_output_conditional_branch
8470 (*branch_equality<mode>_inverted): Likewise.
8471 (condjump): New expander.
8472 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
8474 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
8475 (bc1any2t, bc1any2f): Likewise.
8476 (single_cc): New expander.
8477 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
8479 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8481 * doc/md.texi: Update documentation of MIPS constraints.
8482 * config/mips/constraints.md: New file.
8483 * config/mips/mips.md: Include it.
8484 * config/mips/mips.c (mips_char_to_class): Delete.
8485 (override_options): Don't initialize mips_char_to_class.
8486 * config/mips/mips.h (mips_char_to_class): Delete.
8487 (REG_CLASS_FROM_LETTER): Delete.
8488 (CONST_OK_FOR_LETTER_P): Delete.
8489 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8490 (EXTRA_CONSTRAINT_Y): Delete.
8491 (EXTRA_CONSTRAINT_STR): Delete.
8492 (CONSTRAINT_LEN): Delete.
8493 (EXTRA_MEMORY_CONSTRAINT): Delete.
8495 2006-03-09 Diego Novillo <dnovillo@redhat.com>
8497 * tree-cfg.c (move_block_to_fn): Remove the statements from the
8498 original fn's eh regions.
8500 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
8502 * fold-const.c (build_range_check): Make sure to use a valid type to
8503 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
8506 (range_predecessor): New static function.
8507 (range_successor): Likewise.
8508 (merge_ranges): Use them to compute predecessors and successors of
8511 2006-03-09 Roger Sayle <roger@eyesopen.com>
8514 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
8515 X op C3, consider whether C3 overflows towards +Inf or -Inf.
8517 2006-03-08 DJ Delorie <dj@redhat.com>
8519 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
8520 (addpsi3): Expand to include memory operands. Remove
8521 reload-specific splits.
8522 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
8523 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
8524 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
8525 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
8526 (shift1_qi, shift1_hi, insv): New.
8527 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
8528 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
8529 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
8531 * config/m32c/m32c-protos.h: Update as needed.
8532 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
8533 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
8534 Fail for unrecognized R* constraints.
8535 (m32c_cannot_change_mode_class): Be more picky about pseudos.
8536 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
8537 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
8539 (m32c_init_libfuncs): New.
8540 (m32c_legitimate_address_p): Add debug wrapper.
8541 (m32c_rtx_costs): New.
8542 (m32c_address_cost): New.
8543 (conversions): Add 'B' prefix.
8544 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
8545 operands, or word regnames for QI operands. 'B' prints bit
8547 (m32c_expand_setmemhi): New.
8548 (m32c_expand_movmemhi): New.
8549 (m32c_expand_movstr): New.
8550 (m32c_expand_cmpstr): New.
8551 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
8552 (m32c_expand_neg_mulpsi3): Handle non-ints.
8553 (m32c_cmp_flg_0): New.
8554 (m32c_expand_movcc): New.
8555 (m32c_expand_insv): New.
8556 (m32c_scc_pattern): New.
8557 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
8558 a0/a1 out of SIregs.
8559 (STORE_FLAG_VALUE): New.
8560 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
8563 * config/m32c/mov.md: Make constraints more liberal.
8564 (zero_extendqihi2): Optimize r0/r1 case.
8565 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
8566 * config/m32c/predicates.md (m32c_any_operand): New.
8567 (m32c_nonimmediate_operand): New.
8568 (m32c_hl_operand): New.
8569 (m32c_r3_operand): New.
8572 (memsym_operand): New.
8573 (memimmed_operand): New.
8574 (a_qi_operand): New.
8575 (m32c_eqne_operator): New.
8576 (m32c_1bit8_operand): New.
8577 (m32c_1bit16_operand): New.
8578 (m32c_1mask8_operand): New.
8579 (m32c_1mask16_operand): New.
8580 * config/m32c/blkmov.md: New file.
8581 * config/m32c/t-m32c (MD_FILES): Add blkmov.
8583 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
8585 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
8586 unsigned to fix signed/unsigned comparison issue in
8587 DWARF2_FRAME_REG_OUT.
8588 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
8589 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
8591 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
8592 of ptr into the ENABLE_CHECKING section.
8594 2006-03-08 Jeff Law <law@redhat.com>
8596 * tree-vrp.c (infer_value_range): Only count pointer uses
8597 and dereferences if -fdelete-null-pointer-checks is enabled.
8599 * tree-vrp.c (find_assert_locations): Infer value ranges for
8600 single use pointers, but do not create ASSERT_EXPRs for them.
8601 When a non-null range is inferred for a pointer, backwards
8602 propagate that range to other equivalent pointers through the
8605 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
8608 * Makefile.in (dvi, html, install-info): Invoke the corresponding
8609 language hook targets.
8610 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
8611 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
8612 if language hook targets were missing.
8614 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
8616 * tree-ssa-opfinalize.h: Removed.
8617 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
8619 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
8620 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
8621 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
8622 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
8623 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
8624 finalize_ssa_v_must_def_ops): New.
8626 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
8628 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
8631 2006-03-07 Geoffrey Keating <geoffk@apple.com>
8633 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
8635 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
8636 addresses with offsets; reorganize.
8638 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
8639 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
8640 (expand_builtin_init_dwarf_reg_sizes): Likewise.
8642 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
8645 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
8647 2006-03-08 Ben Elliston <bje@au.ibm.com>
8649 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
8651 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
8654 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
8657 2006-03-07 Richard Guenther <rguenther@suse.de>
8659 PR tree-optimization/26587
8660 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
8662 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8664 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
8666 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8668 * hooks.c (hook_bool_mode_rtx_true): New function.
8669 * hooks.h (hook_bool_mode_rtx_true): Declare.
8670 * toplev.c (compile_file): Call output_shared_constant_pool.
8671 * varasm.c (shared_constant_pool): New variable.
8672 (assemble_start_function, assemble_end_function): Remove arguments
8673 from call to output_constant_pool.
8674 (create_constant_pool): New function, split out from...
8675 (init_varasm_status): ...here.
8676 (force_const_mem): Choose between the shared and per-function constant
8677 pools. Set current_function_uses_const_pool when reusing old entries
8678 as well as when creating new ones.
8679 (mark_constant): Ignore data argument.
8680 (mark_constants): Remove pool argument.
8681 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
8682 to decide whether the function uses a constant pool.
8683 (output_constant_pool_contents): New function, split out from...
8684 (output_constant_pool): ...here.
8685 (output_shared_constant_pool): New function.
8686 (init_varasm_once): Initialize shared_constant_pool.
8687 * output.h (output_constant_pool): Delete.
8688 (output_shared_constant_pool): Declare.
8689 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
8690 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
8692 2006-03-06 Nick Clifton <nickc@redhat.com>
8694 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
8695 flag_strength_reduce.
8697 2006-03-06 Ben Elliston <bje@au.ibm.com>
8699 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
8700 x86_64-*-linux* configurations.
8702 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
8703 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
8705 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8707 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
8709 * basic-block.h: Remove the extern for
8710 rediscover_loops_after_threading.
8712 * cfgloop.c (cancel_loop): Make it static.
8713 * cfgloop.h: Remove the prototype for cancel_loop.
8715 * flow.c (recompute_reg_usage): Make it static.
8716 * rtl.h: Remove the prototype for recompute_reg_usage.
8718 * function.c (use_return_register): Make it static.
8719 * function.h: Remove the prototype.
8721 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8723 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
8725 * recog.h: Remove the prototype for
8726 validate_change_maybe_volatile.
8728 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8730 * rtlanal.c (replace_reg): Remove.
8731 * rtl.h: Remove the prototype for replace_reg.
8733 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8735 * regclass.c (reg_scan_update): Remove.
8736 (reg_scan_mark_refs): Remove the last argument.
8737 * rtl.h: Remove the prototype for reg_scan_update.
8739 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8741 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
8742 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
8743 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
8744 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
8745 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
8746 loop-invariant.c, omp-low.c, opts.c, passes.c,
8747 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
8748 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
8749 tree-ssa-structalias.c, tree-ssa-threadedge.c,
8750 tree-ssa-threadupdate.c, tree-vect-patterns.c,
8751 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
8752 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
8754 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8756 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
8757 * dwarf2out.h: Remove the prototype for
8758 dwarf2out_add_library_unit_info.
8760 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8762 * tree.c (add_var_to_bind_expr): Remove.
8763 * tree.h: Remove the prototype for add_var_to_bind_expr.
8765 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8767 * regclass.c (n_non_fixed_regs): Remove.
8768 (init_reg_sets_1, globalize_reg): Remove all uses of
8770 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
8772 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8774 * rtlanal.c (insns_safe_to_move_p): Remove.
8775 * rtl.h: Remove the prototype for insns_safe_to_move_p.
8777 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8779 * expmed.c (expand_mult_add): Remove.
8780 * expr.h: Remove the prototype for expand_mult_add.
8782 2006-03-04 Jakub Jelinek <jakub@redhat.com>
8784 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
8785 and REG_SAVED_VAL_EXP constants.
8786 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
8787 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
8788 Handle regs stored by value.
8789 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
8790 (execute_cfa_program): Handle DW_CFA_val_offset,
8791 DW_CFA_val_offset_sf and DW_CFA_val_expression.
8792 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
8793 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
8794 (uw_install_context_1): Handle target regs stored by value.
8796 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
8798 * tree-sra.c (tree_sra): Return todoflags;
8799 (generate_one_element): Set TODO_update_smt_usage if needed.
8800 (pass_sra): Remove TODO_update_smt_usage.
8801 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
8803 (tree_ssa_forward_propagate_single_use_vars): Return
8804 TODO_update_smt_usage if we need to update SMT usage.
8805 (pass_forwprop): Remove TODO_update_smt_usage.
8807 2006-03-03 Diego Novillo <dnovillo@redhat.com>
8809 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
8810 (correct_use_link): Remove reference to get_stmt_operands.
8811 (update_stmt_operands): Likewise.
8812 (get_modify_expr_operands): New function factored out of
8813 parse_ssa_operands and get_expr_operands.
8814 Try to create V_MUST_DEFs for LHS by default.
8815 (get_expr_operands) <case MODIFY_EXPR>: Call
8816 get_modify_expr_operands.
8817 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
8818 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
8819 (parse_ssa_operands) <case MODIFY_EXPR>: Call
8820 get_modify_expr_operands.
8822 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
8824 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
8825 * tree-flow.h: Remove the prototype for
8826 referenced_var_lookup_if_exists.
8828 2006-03-03 Steve Ellcey <sje@cup.hp.com>
8830 PR rtl-optimization/26345
8832 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
8834 2006-03-03 Roger Sayle <roger@eyesopen.com>
8836 PR tree-optimization/26524
8837 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
8838 fold_convert to create a constant of the appropriate type.
8840 2006-03-03 Richard Sandiford <richard@codesourcery.com>
8842 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8843 SYMBOL_REF_IN_BLOCK_P.
8844 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
8845 of SYMBOL_FLAG_IN_BLOCK.
8846 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
8847 instead of SYMBOL_REF_IN_BLOCK_P.
8848 * explow.c (use_anchored_address): Likewise.
8849 * rtl.c (rtx_size): Likewise.
8850 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
8851 instead of SYMBOL_FLAG_IN_BLOCK.
8852 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8853 SYMBOL_REF_IN_BLOCK_P.
8854 (assemble_variable): Likewise.
8855 (output_constant_def_contents): Likewise.
8856 (output_constant_pool): Likewise.
8857 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
8858 instead of SYMBOL_FLAG_IN_BLOCK.
8859 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8860 SYMBOL_REF_IN_BLOCK_P.
8861 (SYMBOL_REF_BLOCK): Likewise.
8862 (SYMBOL_REF_OFFSET): Likewise.
8863 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8864 SYMBOL_REF_IN_BLOCK_P.
8865 (SYMBOL_FLAG_IN_BLOCK): Replace with...
8866 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
8867 (SYMBOL_REF_IN_BLOCK_P): Replace with...
8868 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
8870 2006-03-03 Jakub Jelinek <jakub@redhat.com>
8872 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
8874 2006-03-02 Roger Sayle <roger@eyesopen.com>
8876 * simplify-rtx.c (simplify_unary_operation): When simplifying
8877 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
8878 that we perform the right shift in the appropriate mode, and
8879 then extend or truncate the result to requested mode.
8881 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
8883 * gengtype.c (main): Handle double_int type.
8884 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
8885 * double-int.c: New file.
8886 * double-int.h: New file.
8887 * system.h: Include doubleint.h.
8888 * Makefile.in (SYSTEM_H): Include double-int.h.
8889 (double-int.o): Add.
8891 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
8894 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
8897 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8899 * tree-vrp.c (remove_range_assertions): Do not update statements
8902 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8904 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
8906 * gcse.c (rest_of_handle_gcse): Ditto.
8907 * except.c (gate_handle_eh): Ditto.
8908 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
8909 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
8911 2006-03-02 Eric Christopher <echristo@apple.com>
8913 * config/i386/i386.c (machopic_output_stub): Add indirection to
8916 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8920 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
8922 Sun Niagara specific optimizations.
8923 * config.gcc: Recognize niagara as target.
8924 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
8925 (TARGET_CPU_niagara): Define.
8926 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
8927 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
8928 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8929 (ASM_CPU_SPEC): Likewise.
8930 (PROCESSOR_NIAGARA): New enum entry.
8931 (REGISTER_MOVE_COST): Handle Niagara.
8932 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
8933 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
8934 (sparc_override_options): Recognize "niagara", set appropriate
8935 default MASK_* values for it, and align functions to 32-bytes
8936 by default just like ULTRASPARC/ULTRASPARC3.
8937 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
8938 (sparc64_initialize_trampoline): Likewise.
8939 (sparc_use_sched_lookahead): Use zero for niagara.
8940 (sparc_issue_rate): Use one for niagara.
8941 * config/sparc/niagara.md: New file.
8942 * config/sparc/sparc.md: Include it.
8943 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
8944 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
8945 when default cpu is niagara.
8946 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8947 (ASM_CPU_SPEC): Likewise.
8948 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
8949 when default cpu is niagara.
8950 (ASM_CPU_SPEC): Handle -mcpu=niagara.
8951 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
8952 just like v9/ultrasparc/ultrasparc3.
8953 * doc/invoke.texi: Add documentation for "niagara" and improve
8954 existing documentation for ultrasparc variants.
8956 2006-03-02 Diego Novillo <dnovillo@redhat.com>
8958 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
8960 2006-03-02 Richard Sandiford <richard@codesourcery.com>
8962 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
8963 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
8964 and say that only one is needed.
8965 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
8966 * target.h (have_switchable_bss_sections): New hook.
8967 * explow.c (use_anchored_address): Check that the symbol is in a block.
8968 * varasm.c (tls_comm_section, comm_section, lcomm_section)
8969 (bss_noswitch_section): New variables.
8970 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
8971 (get_noswitch_section): New function.
8972 (get_block_for_section): Allow SECT to be null.
8973 (unlikely_text_section_p): Use SECTION_STYLE.
8974 (bss_initializer_p): New function.
8975 (get_variable_section): Move earlier in file. Take a new argument,
8976 prefer_noswitch_p. Move bss checks from assemble_variable to here.
8977 Return one of the new *_sections in such cases.
8978 (get_block_for_decl): New function, extracting some logic from
8979 use_blocks_for_decl_p.
8980 (change_symbol_section): Remove in favor of...
8981 (change_symbol_block): ...this new function.
8982 (use_blocks_for_decl_p): Remove checks now performed by
8984 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
8985 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
8986 (emit_local, emit_bss, emit_common): ...these new functions.
8987 Return true if the alignment was honored.
8988 (emit_tls_common): New function.
8989 (asm_emit_uninitialised): Delete.
8990 (assemble_variable_noswitch): New function, split out from...
8991 (assemble_variable): ...here. Don't make decisions about common
8992 variables here. Globalize all public decls that go into non-common
8993 sections. Check whether SYMBOL_REF_BLOCK is null.
8994 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
8995 (output_constant_pool): Likewise.
8996 (init_varasm_once): Initialize the new section variables.
8997 (have_global_bss_p): New function.
8998 (categorize_decl_for_section): Use bss_initializer_p.
8999 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
9000 (place_block_symbol): Assert that the symbol must be in a block.
9001 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
9002 (TARGET_INITIALIZER): Include it.
9003 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
9004 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
9005 (SECTION_MACH_DEP): Bump by two.
9006 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
9007 (unnamed_section): Mention SECTION_UNNAMED in comment.
9008 (named_section): Likewise SECTION_NAMED.
9009 (noswitch_section_callback): New type.
9010 (noswitch_section): New structure.
9011 (section): Add a noswitch_section alternative.
9012 (SECTION_STYLE): New macro.
9013 (tls_comm_section, comm_section, lcomm_section): Declare.
9014 (bss_noswitch_section, have_global_bss_p): Declare.
9015 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9016 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9018 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9019 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9022 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
9024 * tree-vrp.c (execute_vrp): Return value.
9025 * regrename.c (rest_of_handle_regrename): Ditto.
9026 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
9027 * tree-complex.c (tree_lower_complex): Ditto.
9028 (tree_lower_complex_O0): Ditto.
9029 * tracer.c (rest_of_handle_tracer): Ditto.
9030 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
9031 * postreload.c (rest_of_handle_postreload): Ditto.
9032 * tree-tailcall.c (execute_tail_recursion): Ditto.
9033 (execute_tail_calls): Ditto.
9034 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9035 * tree.h (init_function_for_compilation): Ditto.
9036 * ipa-cp.c (ipcp_driver): Ditto.
9037 * tree-scalar-evolution.c (scev_const_prop): Ditto.
9038 * tree-scalar-evolution.h (scev_const_prop): Ditto.
9039 * final.c (compute_alignments): Ditto.
9040 (rest_of_handle_final): Ditto.
9041 (rest_of_handle_shorten_branches): Ditto.
9042 (rest_of_clean_state): Ditto.
9043 * omp-low.c (execute_expand_omp): Ditto.
9044 (execute_lower_omp): Ditto.
9045 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
9046 * ipa-reference.c (static_execute): Ditto.
9047 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
9048 * reorg.c (rest_of_handle_delay_slots): Ditto.
9049 (rest_of_handle_machine_reorg): Ditto.
9050 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
9051 * flow.c (recompute_reg_usage): Ditto.
9052 (rest_of_handle_remove_death_notes): Ditto.
9053 (rest_of_handle_life): Ditto.
9054 (rest_of_handle_flow2): Ditto.
9055 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
9056 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
9057 (do_ssa_store_ccp): Ditto.
9058 (execute_fold_all_builtins): Ditto.
9059 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
9060 * modulo-sched.c (rest_of_handle_sms): Ditto.
9061 * ipa-pure-const.c (static_execute): Ditto.
9062 * cse.c (rest_of_handle_cse): Ditto.
9063 (rest_of_handle_cse2): Ditto.
9064 * web.c (rest_of_handle_web): Ditto.
9065 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
9066 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
9067 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
9068 * tree-nrv.c (tree_nrv): Ditto.
9069 (execute_return_slot_opt): Ditto.
9070 * tree-ssa-alias.c (compute_may_aliases): Ditto.
9071 (create_structure_vars): Ditto.
9072 * loop-init.c (rtl_loop_init): Ditto.
9073 (rtl_loop_done): Ditto.
9074 (rtl_move_loop_invariants): Ditto.
9075 (rtl_unswitch): Ditto.
9076 (rtl_unroll_and_peel_loops): Ditto.
9077 (rtl_doloop): Ditto.
9078 * gimple-low.c (lower_function_body): Ditto.
9079 (mark_used_blocks): Ditto.
9080 * tree-ssa-sink.c (execute_sink_code): Ditto.
9081 * ipa-inline.c (cgraph_decide_inlining): Ditto.
9082 (cgraph_early_inlining): Ditto.
9083 * global.c (rest_of_handle_global_alloc): Ditto.
9084 * jump.c (cleanup_barriers): Ditto.
9085 (purge_line_number_notes): Ditto.
9086 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
9087 (rest_of_handle_if_after_reload): Ditto.
9088 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
9089 (tree_ssa_loop_im): Ditto.
9090 (tree_ssa_loop_unswitch): Ditto.
9091 (tree_vectorize): Ditto.
9092 (tree_linear_transform): Ditto.
9093 (tree_ssa_loop_ivcanon): Ditto.
9094 (tree_ssa_empty_loop): Ditto.
9095 (tree_ssa_loop_bounds): Ditto.
9096 (tree_complete_unroll): Ditto.
9097 (tree_ssa_loop_prefetch): Ditto.
9098 (tree_ssa_loop_ivopts): Ditto.
9099 (tree_ssa_loop_done): Ditto.
9100 * predict.c (tree_estimate_probability): Ditto.
9101 * recog.c (split_all_insns_noflow): Ditto.
9102 (rest_of_handle_peephole2): Ditto.
9103 (rest_of_handle_split_all_insns): Ditto.
9104 * tree-eh.c (lower_eh_constructs): Ditto.
9105 * regmove.c (rest_of_handle_regmove): Ditto.
9106 (rest_of_handle_stack_adjustments): Ditto.
9107 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
9108 * function.c (instantiate_virtual_regs): Ditto.
9109 (init_function_for_compilation): Ditto.
9110 (rest_of_handle_check_leaf_regs): Ditto.
9111 * gcse.c (rest_of_handle_jump_bypass): Ditto.
9112 (rest_of_handle_gcse): Ditto.
9113 * ipa-type-escape.c (type_escape_execute): Ditto.
9114 * alias.c (rest_of_handle_cfg): Ditto.
9115 * tree-if-conv.c (main_tree_if_conversion): Ditto.
9116 * profile.c (rest_of_handle_branch_prob): Ditto.
9117 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
9118 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
9119 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
9120 * tree-dfa.c (find_referenced_vars): Ditto.
9121 * except.c (set_nothrow_function_flags): Ditto.
9122 (convert_to_eh_region_ranges): Ditto.
9123 (rest_of_handle_eh): Ditto.
9124 * emit-rtl.c (unshare_all_rtl): Ditto.
9125 (remove_unnecessary_notes): Ditto.
9126 * except.h (set_nothrow_function_flags): Ditto.
9127 (convert_to_eh_region_ranges): Ditto.
9128 * cfgexpand.c (tree_expand_cfg): Ditto.
9129 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
9130 * tree-ssa-pre.c (do_pre): Ditto.
9131 (execute_fre): Ditto.
9132 * cfgcleanup.c (rest_of_handle_jump): Ditto.
9133 (rest_of_handle_jump2): Ditto.
9134 * tree-sra.c (tree_sra): Ditto.
9135 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
9136 (execute_mudflap_function_decls): Ditto.
9137 * tree-ssa-copy.c (do_copy_prop): Ditto.
9138 (do_store_copy_prop): Ditto.
9139 * ipa-prop.h (ipcp_driver): Ditto.
9140 * cfglayout.c (insn_locators_initialize): Ditto.
9141 * tree-ssa-forwprop.c
9142 (tree_ssa_forward_propagate_single_use_vars): Ditto.
9143 * cfglayout.h (insn_locators_initialize): Ditto.
9144 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
9145 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
9146 (execute_late_warn_uninitialized): Ditto.
9147 * rtl.h (cleanup_barriers): Ditto.
9148 (split_all_insns_noflow): Ditto.
9149 (purge_line_number_notes): Ditto.
9150 (unshare_all_rtl): Ditto.
9151 (remove_unnecessary_notes): Ditto.
9152 (recompute_reg_usage): Ditto.
9153 (variable_tracking_main): Ditto.
9154 * integrate.c (emit_initial_value_sets): Ditto.
9155 * integrate.h (emit_initial_value_sets): Ditto.
9156 * tree-optimize.c (execute_free_datastructures): Ditto
9157 (execute_free_cfg_annotations): Ditto.
9158 (execute_fixup_cfg): Ditto.
9159 (execute_cleanup_cfg_pre_ipa): Ditto.
9160 (execute_cleanup_cfg_post_optimizing): Ditto.
9161 (execute_init_datastructures): Ditto.
9162 * tree-object-size.c (compute_object_sizes): Ditto.
9163 * combine.c (rest_of_handle_combine): Ditto.
9164 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
9165 * bb-reorder.c (duplicate_computed_gotos): Ditto.
9166 (rest_of_handle_reorder_blocks): Ditto.
9167 (rest_of_handle_partition_blocks): Ditto.
9168 * var-tracking.c (variable_tracking_main): Ditto.
9169 * tree-profile.c (tree_profiling): Ditto.
9170 * tree-vect-generic.c (expand_vector_operations): Ditto.
9171 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
9172 * sched-rgn.c (rest_of_handle_sched): Ditto.
9173 (rest_of_handle_sched2): Ditto.
9174 * basic-block.h (free_bb_insn): Ditto.
9175 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
9176 * tree-cfg.c (execute_build_cfg): Ditto.
9177 (remove_useless_stmts): Ditto.
9178 (split_critical_edges): Ditto.
9179 (execute_warn_function_return): Ditto.
9180 (execute_warn_function_noreturn): Ditto.
9181 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
9182 * cfgrtl.c (free_bb_for_insn): Ditto.
9183 * passes.c (execute_one_pass): Run additional
9184 todos returned by execute function.
9185 * tree-pass.h (struct tree_opt_pass): Make execute
9188 2006-03-02 Richard Guenther <rguenther@suse.de>
9190 * tree-ssa-alias.c (find_used_portions): Consider taking
9191 the address as making the variable not write-only.
9193 2006-03-02 Nick Clifton <nickc@redhat.com>
9195 * config.gcc (default_use_cxa_atexit): Extend the description of
9196 this configure variable. Set its default value to "yes" for
9197 Linux, NetBSD and ELF targets on the assumption that they will
9198 use C libraries with the __cxa_atexit function.
9200 2006-03-02 Ben Elliston <bje@au.ibm.com>
9202 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
9203 parameter as unused to suppress a build warning.
9205 2006-03-02 Ben Elliston <bje@au.ibm.com>
9207 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
9210 2006-03-01 Roger Sayle <roger@eyesopen.com>
9213 * gthr-posix.h (__gthrw2): Define to take three parameters, the
9214 declared name, the weak reference name, and the typeof name.
9215 (__gthrw): Avoid expanding the declared name suffix.
9216 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
9218 2006-03-01 Jakub Jelinek <jakub@redhat.com>
9220 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
9222 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
9223 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
9224 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
9225 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
9226 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
9227 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
9228 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
9229 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
9230 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
9231 DW_DS_leading_separate, DW_DS_trailing_separate): New.
9232 (DW_END_default, DW_END_big, DW_END_little): New.
9233 (DW_END_lo_user, DW_END_hi_user): Define.
9234 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
9235 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
9236 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
9239 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9241 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
9243 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
9245 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
9247 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
9249 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
9250 to 'symbol_mem_tag'.
9252 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
9255 2006-03-01 Roger Sayle <roger@eyesopen.com>
9257 * builtins.c (fold_builtin_copysign): Delete unreachable code.
9259 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9262 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
9263 MACHO_DYNAMIC_NO_PIC_P.
9264 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
9266 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9269 * config/darwin-protos.h (darwin_asm_output_anchor):
9271 * config/darwin-sections.def (cstring_section):
9272 Add SECTION_MERGE to the flags.
9273 (literal4_section): Likewise.
9274 (literal8_section): Likewise.
9275 (objc_selector_refs_section): Likewise.
9276 (objc_cls_refs_section): Likewise.
9277 * config/darwin.c (darwin_asm_output_anchor): New
9279 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9281 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
9283 Fix PR tree-optimization/26443
9284 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
9285 to todo and PROP_tmt_usage to properties_destroyed.
9286 * tree-ssa-ccp.c (pass_ccp): Ditto.
9287 (pass_store_ccp): Ditto.
9288 * tree-ssa-dom.c (pass_dominator): Ditto.
9290 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9292 * tree-ssa-operands.c: Cleanup whitespace.
9293 (get_asm_expr_operands): Move before first invocation.
9294 (get_indirect_ref_operands): Likewise.
9295 (get_tmr_operands): Likewise.
9296 (get_call_expr_operands): Likewise.
9297 (append_def): Likewise.
9298 (append_use): Likewise.
9299 (append_v_may_def): Likewise.
9300 (append_v_must_def): Likewise.
9301 (add_call_clobber_ops): Likewise.
9302 (add_call_read_ops): Likewise.
9303 (add_stmt_operand): Likewise.
9304 (add_virtual_operand): Likewise.
9305 (build_ssa_operands): Likewise.
9307 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9312 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9313 with a call expr to ...
9314 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9316 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9318 * tree-vrp.c (extract_range_from_assert): Remove special
9319 handling for types with super-types.
9321 2006-03-01 Ben Elliston <bje@au.ibm.com>
9323 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
9324 and powerpc64-*-linux* configurations.
9325 * config/t-dfprules: New file.
9327 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
9328 Compile dfp-bit.c from the source directory using -DWIDTH and
9329 $DFP_CFLAGS to control the compilation of that file, rather than
9330 generating width-specific versions in the build directory.
9331 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
9332 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
9334 2006-02-28 Zack Weinberg <zackw@panix.com>
9336 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
9339 2006-02-28 Eric Christopher <echristo@apple.com>
9341 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
9342 Set up IN_LIBGCC definition of TARGET_64BIT.
9343 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
9345 2006-02-28 Roger Sayle <roger@eyesopen.com>
9348 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
9349 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
9350 cases via the construction of "expr != 0".
9352 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
9354 * alias.c (alias_invariant, alias_invariant_size): Remove.
9355 (record_base_value): Remove.
9356 (memrefs_conflict_p): Don't look at alias_invariant.
9357 (end_alias_analysis): Don't free it.
9358 * alias.h (record_base_value): Remove prototype.
9360 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
9361 Adam Nemet <anemet@caviumnetworks.com>
9363 * rtl.h (truncated_to_mode): Declare it.
9364 (struct rtl_hooks): Add reg_truncated_to_mode hook.
9365 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
9366 (RTL_HOOKS_INITIALIZER): Include it.
9367 * rtlhooks.c (reg_truncated_to_mode_general): New function.
9368 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
9369 reg_truncated_to_mode.
9370 * rtlanal.c (truncated_to_mode): Define it.
9371 * simplify-rtx.c (simplify_unary_operation_1): Use it.
9373 2006-02-28 Jeff Law <law@redhat.com>
9375 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
9376 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
9377 the range allowed by TYPE_PRECISION.
9379 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
9381 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
9383 PR tree-optimization/26419
9384 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
9387 2006-02-27 Zack Weinberg <zackw@panix.com>
9389 * doc/md.texi: Fix typo in previous change.
9391 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9395 2006-02-27 Zack Weinberg <zackw@panix.com>
9397 * rtl.def (define_constraint, define_register_constraint)
9398 (define_memory_constraint, define_address_constraint): New MD forms.
9399 * gensupport.c (process_rtx): Put define_constraint etc on the
9401 * genpreds.c (process_define_predicate): Adjust comment. Validate
9402 the name, and call validate_exp to validate the expression.
9403 (mark_mode_tests, write_extract_subexp): Can assume correct input.
9404 (write_predicate_expr): Likewise. NAME argument no longer necessary;
9405 all callers changed.
9406 (validate_exp, needs_variable, struct constraint_data)
9407 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
9408 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
9409 (const_dbl_constraints, constraint_max_namelen)
9410 (have_register_constraints, have_memory_constraints)
9411 (have_address_constraints, have_address_constraints)
9412 (have_extra_constraints, have_const_int_constraints)
9413 (have_const_dbl_constraints, mangle, add_constraint)
9414 (process_define_constraint, process_define_register_constraint)
9415 (write_enum_constraint_num, write_lookup_constraint)
9416 (write_insn_constraint_len, write_regclass_for_constraint)
9417 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
9418 (write_insn_extra_memory_constraint)
9419 (write_insn_extra_address_constraint)
9420 (write_satisfies_constraint_fns): New.
9421 (write_tm_preds_h): If we have new-style constraint definitions,
9422 prototype the functions generated from them, and define the
9423 old constraint interface (still used by generic code) in terms of
9425 (write_insn_preds_c): If we have new-style constraint definitions,
9426 generate all relevant functions from those definitions.
9427 (main): Handle define_constraint etc.
9428 * genoutput.c (struct constraint_data, indep_constraints)
9429 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
9430 (mdep_constraint_len): New data structures and functions, defined
9431 #ifdef USE_MD_CONSTRAINTS.
9432 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
9433 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
9434 use new logic to validate operand constraints against constraint
9436 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
9438 * defaults.h: If none of the old-style constraint macros are
9439 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
9440 old-style macros; and poison REG_CLASS_FROM_LETTER,
9441 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
9443 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
9444 * doc/md.texi: Document new constraint-definition mechanism and the
9445 C interface it provides. Remove references to old mechanism
9446 elsewhere in the document.
9447 (Machine Constraints): Use pathnames relative to gcc directory,
9448 i.e. config/ARCH/FILE. Change i386 section to refer to
9449 config/i386/predicates.md; update that section to match docstrings.
9450 * doc/tm.texi: Move all documentation of the old constraint-
9451 definition macros to their own section, clearly mark as obsolete.
9453 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
9454 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
9456 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
9457 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
9458 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
9460 (splits and peepholes): Use satisfies_constraint_*.
9461 * config/i386/i386.c (memory_address_length)
9462 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
9464 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9466 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
9467 scalar operation to be put back into the loop.
9469 2006-02-27 Jakub Jelinek <jakub@redhat.com>
9472 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
9473 (extract_cie_info): Handle S flag in augmentation string.
9474 (execute_cfa_program): If context->signal_frame, execute also
9475 fs->pc == context->ra instructions.
9476 (uw_frame_state_for): If context->signal_frame, don't subtract one
9477 from context->ra to find FDE.
9478 (uw_update_context_1): Set context->signal_frame to
9480 (_Unwind_GetIPInfo): New function.
9481 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
9482 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
9484 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
9485 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
9486 * unwind-compat.c (_Unwind_GetIPInfo): New function.
9487 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
9488 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
9489 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
9490 * config/i386/linux-unwind.h (x86_fallback_frame_state,
9491 x86_64_fallback_frame_state): Set fs->signal_frame.
9492 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
9493 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
9494 (frob_update_context): Likewise. Workaround missing S flag in
9495 Linux 2.6.12 - 2.6.16 kernel vDSOs.
9496 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
9497 Remove the psw_addr + 1 hack.
9499 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9501 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
9502 with aggregates here.
9503 (find_func_aliases): Remove code for &<aggregate> from here.
9505 2006-02-26 Roger Sayle <roger@eyesopen.com>
9507 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
9508 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
9509 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
9512 2006-02-26 Roger Sayle <roger@eyesopen.com>
9515 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
9517 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
9519 * opts.c (decode_options): Do not handle flag_strength_reduce.
9520 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
9521 and OPT_fstrength_reduce.
9522 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
9523 flag_prefetch_loop_arrays for being nonzero.
9524 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
9526 (fprefetch-loop-arrays-rtl): Removed.
9527 (flag_prefetch_loop_arrays): Do not specify the value.
9529 * doc/passes.texi: Update documentation of loop optimizer
9531 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
9532 -frerun-loop-opt): Remove.
9534 2006-02-26 Richard Guenther <rguenther@suse.de>
9536 PR tree-optimization/26421
9537 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
9538 in function calls that are ADDR_EXPRs as using the whole structure.
9540 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
9542 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
9543 * tree-pass.h (pass_loop_optimize): Remove.
9544 * passes.c (pass_loop_optimize): Never run it.
9545 * toplev.c (backend_init): Don't call init_loop.
9546 * opts.c (flag_loop_optimize_set): Remove.
9547 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
9548 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
9549 the old RTL loop optimizer when profiling enabled.
9550 * predict.c (tree_estimate_probability): Always strip builtin_expect.
9551 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
9552 pre-headers for the sake of the old RTL loop optimizer.
9553 * Makefile.in: Remove all references to loop.o.
9555 * doc/invoke.texi: Remove all references to -floop-optimize
9556 and -frerun-loop-opt.
9558 2006-02-26 Zack Weinberg <zackw@panix.com>
9560 * doc/md.texi (Machine Constraints): Refer to all files with paths
9561 relative to gcc directory (i.e. config/CPU/file). Add missing
9562 @table @code ... @end table to M32C subsection.
9564 2006-02-26 Roger Sayle <roger@eyesopen.com>
9566 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
9568 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
9570 2006-02-26 Roger Sayle <roger@eyesopen.com>
9571 James A. Morrison <phython@gcc.gnu.org>
9574 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
9575 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
9576 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
9577 signedness of the shift operation.
9579 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
9581 PR tree-optimization/26359
9582 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
9584 2006-02-25 Roger Sayle <roger@eyesopen.com>
9586 * simplify-rtx.c (simplify_relational_operation_1): Simplify
9587 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
9588 as X == 0, and some symmetry related transformations.
9589 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
9591 2006-02-25 Roger Sayle <roger@eyesopen.com>
9594 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
9595 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
9596 symmetry related transformations. Fold (X^C1) == C2 as
9599 2006-02-25 Juergen Weigert <jw@suse.de>
9600 Richard Guenther <rguenther@suse.de>
9602 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
9604 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
9606 * combine.c (gen_lowpart_or_truncate): Call
9607 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
9609 2006-02-24 Diego Novillo <dnovillo@redhat.com>
9611 * doc/invoke.texi: Move -fopenmp description to "Options for
9613 Remove reference to -lgomp.
9615 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9617 * doc/install.texi: Require GNU tar version 1.14.
9619 2006-02-24 Geoffrey Keating <geoffk@apple.com>
9621 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
9622 * doc/invoke.texi (C++ Dialect Options): Document
9623 -fno-use-cxa-get-exception-ptr.
9624 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
9625 * configure: Regenerate.
9626 * c.opt (fuse-cxa-get-exception-ptr): New.
9627 * c-opts.c (c_common_handle_option): Handle
9628 OPT_fuse_cxa_get_exception_ptr.
9629 * c-common.c (flag_use_cxa_atexit): Update documentation.
9630 (flag_use_cxa_get_exception_ptr): New.
9631 * c-common.h (flag_use_cxa_get_exception_ptr): New.
9632 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
9634 (C_COMMON_OVERRIDE_OPTIONS): New.
9636 2006-02-24 Roger Sayle <roger@eyesopen.com>
9639 * combine.c (try_combine): Explicitly check whether GET_CODE is
9640 a SET or a CLOBBER, instead on checking that it isn't a USE.
9642 2006-02-24 Roger Sayle <roger@eyesopen.com>
9644 * fold-const.c (fold_comparison): New subroutine of fold_binary
9645 containing transformations common to both the equality and
9646 ordering relational operators, factored out of fold_binary.
9647 (fold_binary): Separate out the equality operators (EQ_EXPR
9648 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
9649 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
9650 transformations common to both.
9651 (fold_div_compare): Fix latent bugs in the previously unreachable
9652 LT_EXPR and GE_EXPR cases.
9654 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9656 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
9657 decl libname for clog to __clog on AIX.
9659 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
9661 2006-02-24 Alan Modra <amodra@bigpond.net.au>
9664 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
9665 output traceback table for thunks. Localise rs6000_stack_info call.
9667 2006-02-23 Roger Sayle <roger@eyesopen.com>
9668 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9670 * gthr-posix.h (__gthrw): Fix typo in comment.
9672 2006-02-23 Geoffrey Keating <geoffk@apple.com>
9674 * doc/cpp.texi (Character sets): Document that we do support
9675 input files to be in any character set.
9677 2006-02-23 Jeff Law <law@redhat.com>
9679 * tree.h (PHI_ARG_NONZERO): Remove.
9680 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
9681 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
9682 node to the new node.
9684 PR tree-optimization/26425
9685 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
9686 min/max, then assume its varying.
9688 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9690 PR rtl-optimization/26316
9691 * rtlanal.c (enum may_trap_p_flags): New.
9692 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
9693 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
9694 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
9695 (may_trap_after_code_motion_p): New function.
9696 * loop-invariant.c (find_identical_invariants): Fix dump formating.
9697 (find_invariant_insn): Use may_trap_after_code_motion_p.
9698 * rtl.h (may_trap_after_code_motion_p): Declare.
9700 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9702 * emit-rtl.c (immed_double_const): Cleanup.
9704 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
9706 Fix PR tree-optimization/26376
9707 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
9710 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9713 * gimplify.c (omp_add_variable): Guard variable size decl test with
9714 DECL_SIZE (decl) check.
9716 2006-02-23 Richard Guenther <rguenther@suse.de>
9719 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
9720 like aggregate types.
9722 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9724 * configure.ac: Add --with{,out}-long-double-128 configure option.
9725 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
9726 * configure: Rebuilt.
9727 * config.in: Rebuilt.
9728 * doc/install.texi (Options specification): Document
9729 --with-long-double-128.
9731 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9732 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9733 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9734 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9736 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
9738 * config/s390/s390.c (override_options): Handle
9739 TARGET_DEFAULT_LONG_DOUBLE_128.
9741 * config/alpha/alpha.c (override_options): Handle
9742 TARGET_DEFAULT_LONG_DOUBLE_128.
9744 * config/sparc/sparc.c (sparc_override_options): Handle
9745 TARGET_DEFAULT_LONG_DOUBLE_128.
9747 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
9749 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
9750 (real-install-headers-tar, real-install-headers-cpio)
9751 (real-install-headers-cp): New targets.
9753 2006-02-22 Richard Sandiford <richard@codesourcery.com>
9755 * tree.h (variable_section): Delete.
9756 * varasm.c (variable_section): Delete.
9758 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
9760 * install.texi: Add notes on install.texi2html.
9761 (Building in parallel): Do not use footnotes.
9763 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
9766 * doc/install.texi (Configuration): Document --disable-libgomp.
9768 2006-02-21 Geoffrey Keating <geoffk@apple.com>
9770 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
9772 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9774 * config/i386/sse.md (vec_extractv2df_1_sse): New.
9775 (vec_extractv2df_0_sse): New.
9777 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9779 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
9780 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
9781 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
9782 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
9783 to the result of the expression.
9784 (def_cfa_1): Adjust.
9785 (frame_pointer_cfa_offset): Rename to...
9786 (frame_pointer_fb_offset): ... this. Adjust all uses.
9787 (convert_cfa_to_loc_list): Rename to...
9788 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
9789 Pass it on to build_cfa_loc.
9790 (compute_frame_pointer_to_cfa_displacement): Rename to...
9791 (compute_frame_pointer_to_fb_displacement): ... this. New
9792 offset parameter. Use it in computation.
9793 (gen_subprogram_die): Compute cfa_fb_offset with the new
9794 macro, and use it to compute the fb loc list and the
9797 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
9799 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
9800 replaced with register_operand.
9801 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
9802 non-DREG is expensive.
9803 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
9804 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
9807 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
9809 * doc/install.texi2html: Use set -e.
9811 2006-02-21 Richard Sandiford <richard@codesourcery.com>
9813 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9814 (ASM_OUTPUT_SHARED_LOCAL): Delete.
9815 * doc/invoke.texi (-fshared-data): Delete.
9816 * common.opt (fshared-data): Delete.
9817 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
9818 (assemble_static_space): Remove #if 0 code.
9819 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9820 (ASM_OUTPUT_SHARED_LOCAL): Poison.
9821 * config/cris/cris.h: Remove FIXME.
9823 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
9825 * doc/sourcebuild.texi (Front End Directory): No more double-colon
9828 2006-02-21 Jakub Jelinek <jakub@redhat.com>
9831 * combine.c (simplify_shift_const_1): Disable nested shifts
9832 optimization for vector shifts.
9834 2006-02-20 Roger Sayle <roger@eyesopen.com>
9836 PR tree-optimization/26361
9837 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
9838 of unsigned integer types.
9840 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
9842 * tree-chrec.c (eq_evolutions_p): New.
9843 * tree-chrec.h (eq_evolutions_p): Declared.
9844 * tree-data-ref.c: Fix formatting.
9845 (datadep_stats, dependence_stats): New.
9847 (print_direction_vector): New.
9848 (dump_data_dependence_relation): Use print_direction_vector.
9849 (object_analysis, create_data_ref): Handle COMPONENT_REF.
9850 (compute_subscript_distance): Static.
9851 (initialize_data_dependence_relation): Static. Get the number
9852 of loops surrounding the references from the callers, and initialize
9853 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
9854 base_object_differ_p analyzers.
9855 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
9856 compute_overlap_steps_for_affine_1_2,
9857 analyze_subscript_affine_affine): Count the classified dependences.
9858 Print a message when a test failed.
9859 (can_use_analyze_subscript_affine_affine): New.
9860 (analyze_siv_subscript): Compute the data dependences on symbolic
9861 scevs that verify can_use_analyze_subscript_affine_affine.
9862 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
9863 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
9864 Handle symbolic scevs.
9865 (analyze_overlapping_iterations): Let symbolic affine scevs to be
9867 (subscript_dependence_tester): Moved...
9868 (build_classic_dist_vector, build_classic_dir_vector): Don't use
9869 lambda_vector_clear on newly allocated vectors. Get nb_loops from
9870 DDR_SIZE_VECT instead of getting it in parameter.
9871 (subscript_dependence_tester): ... here. Take as a parameter
9872 loop_nest_depth. Call build_classic_dist_vector and
9873 build_classic_dir_vector.
9874 (compute_affine_dependence): Update subscript_dependence_tester
9875 parameters. Update datadep_stats counters. Call
9876 compute_subscript_distance.
9877 (compute_self_dependence): Save the dist and dir vectors. Call
9878 compute_subscript_distance.
9879 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
9880 (compute_all_dependences): Reorder parameters as they were before
9881 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
9882 compute_subscript_distance. Update the use of
9883 compute_affine_dependence and initialize_data_dependence_relation.
9884 (find_data_references_in_loop): Handle COMPONENT_REF.
9885 (compute_data_dependences_for_loop): Initialize dependence_stats.
9886 Don't call build_classic_dist_vector and build_classic_dir_vector.
9887 Update the parameters of initialize_data_dependence_relation and
9888 compute_all_dependences. Print the statistics from datadep_stats.
9889 (analyze_all_data_dependences): Static. Not used until the pass for
9890 checking the data dependences is contributed.
9891 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
9892 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
9893 (initialize_data_dependence_relation, compute_affine_dependence,
9894 analyze_all_data_dependences, compute_subscript_distance): Removed.
9895 (print_direction_vector): New.
9896 * lambda.h (gcd): ... here.
9897 (lambda_vector_gcd): Moved here from gcd_vector.
9898 * lambda-code.c (gcd, gcd_vector): Removed.
9899 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
9900 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
9902 2006-02-20 Diego Novillo <dnovillo@redhat.com>
9904 * ipa-type-escape.c: Tidy some comments and white space.
9905 * tree-ssa-operands.c: Likewise.
9907 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
9910 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
9911 (dump_decl_name): Do not walk the decl tree chains.
9912 * tree-pass.h (TDF_CHAIN): Remove.
9914 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9916 * Makefile.in (C): Remove
9918 (.PHONY): Remove C and PROTO
9920 2006-02-20 Roger Sayle <roger@eyesopen.com>
9923 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
9924 deprecated CHAR_TYPE tree code.
9926 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9928 * configure.ac (target_list): Add install-info, dvi, html.
9929 * configure: Regenerate.
9931 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
9932 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
9933 treelang/Make-lang.in: Do not use double-colon rules.
9935 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
9937 * tree.h (struct tree_memory_tag): Add is_used_alone member.
9938 (TMT_USED_ALONE): New macro.
9939 * tree-pass.h (PROP_tmt_usage): New property.
9940 (TODO_update_tmt_usage): New todo.
9941 * tree-ssa-alias.c (updating_used_alone): New variable.
9942 (recalculate_used_alone): New function.
9943 (compute_may_aliases): Set updating_used_alone, call
9944 recalculate_used_alone.
9945 * tree-sra.c (pass_sra): Note that this pass destroys
9946 PROP_tmt_usage, and add TODO_update_tmt_usage.
9947 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
9948 * tree-flow.h (updating_used_alone): Prototype.
9949 (recalculate_used_alone): Ditto.
9950 * passes.c (execute_todo): Add code to set updating_used_alone,
9951 and call recalculate.
9952 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
9953 for clobber if used alone, and add assert to verify used_alone
9956 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
9958 * config/s390/s390.c (legitimize_pic_address): Assertions checking
9959 for non tls symbols added.
9960 (legitimize_address): Do nothing for PLUS expressions if one of the
9961 addends is a tls symbol reference.
9963 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9967 * Makefile.in (LDFLAGS): Define from autoconf substitution.
9969 * Makefile.in (BOOTSTRAPPING): New.
9970 (quickstrap): New definition if BOOTSTRAPPING=yes.
9972 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
9973 * configure.ac: Substitute all_selected_languages with the languages
9974 that were configured. For all the other variables except
9975 lang_specs_files, include all the languages in the tree.
9976 * configure: Regenerate.
9978 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
9979 if there is one. Run the commands to run fixincludes in the same
9982 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
9983 * doc/install.texi: Document exact conventions for searching target tools.
9984 Document --with-build-time-tools. Document toplevel bootstrap. Document
9985 something more about building an Ada cross-compiler. Don't list GNU Make
9986 requirements which affect all platforms.
9988 2006-02-19 Roger Sayle <roger@eyesopen.com>
9991 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
9992 only equivalent if the have both the same mode and precision.
9994 2006-02-20 Ben Elliston <bje@au.ibm.com>
9996 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
9998 2006-02-19 Roger Sayle <roger@eyesopen.com>
9999 Steven Bosscher <stevenb.gcc@gmail.com>
10001 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
10002 constant pool references to identify stack mode constants.
10003 * rtlanal.c (constant_pool_constant_p): New predicate to check
10004 whether operand is a floating point constant in the pool.
10005 * rtl.h (constant_pool_constant_p): Prototype here.
10006 * loop.c (scan_loop): Avoid hoisting constants from the constant
10007 pool on STACK_REGS targets.
10008 (load_mems): Likewise.
10009 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
10010 loads into x87 registers expensive in terms of register pressure.
10012 2006-02-19 Roger Sayle <roger@eyesopen.com>
10014 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
10015 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
10017 2006-02-19 David Edelsohn <edelsohn@gnu.org>
10019 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10020 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
10022 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
10024 * doc/invoke.texi: Document -fipa-pta.
10025 * common.opt: Add ipa-pta option.
10026 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
10027 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
10028 (do_ds_constraint): Ditto.
10029 (get_constraint_for): Only add to referenced_vars if
10030 referenced_vars exists.
10031 (insert_into_field_list): Rewrite to do this unsorted.
10032 (insert_into_field_list_sorted): Rename old insert_into_field_list
10034 (create_function_info_for): Use insert_into_field_list_sorted.
10035 (create_variable_info_for): Rewrite so it uses unsorted version,
10036 since the field list is sorted.
10037 (intra_create_variable_infos): Only add to referenced_vars if
10038 referenced_vars exists.
10039 (ipa_pta_execute): Init heapvars, and delete when done.
10040 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
10042 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10044 * doc/install.texi: Add missing `@samp'.
10046 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10048 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
10051 2006-02-18 Mark Wielaard <mark@klomp.org>
10053 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
10054 who added new 4.1 features, bug fixes and integration support.
10056 2006-02-18 David Edelsohn <edelsohn@gnu.org>
10059 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
10060 MEM for ABI_V4 pic.
10062 2006-02-18 Richard Sandiford <richard@codesourcery.com>
10064 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
10065 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
10066 (copy_insn_1): Likewise. Don't copy each field individually.
10068 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
10070 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
10071 * rtl.c (rtx_size): Rename variable to...
10072 (rtx_code_size): ...this.
10073 (rtx_size): New function.
10074 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
10075 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
10077 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
10078 * rtl.h (rtx_code_size): New variable.
10079 (rtx_size): Change from a variable to a function.
10080 (RTX_SIZE): Rename to...
10081 (RTX_CODE_SIZE): ...this.
10084 PR tree-optimization/17106
10085 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
10086 (Anchored Addresses): New section.
10087 * doc/invoke.texi (-fsection-anchors): Document.
10088 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
10089 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
10090 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
10091 * hooks.c (hook_bool_mode_rtx_false): New function.
10092 * hooks.h (hook_bool_mode_rtx_false): Declare.
10093 * gengtype.c (create_optional_field): New function.
10094 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
10095 SYMBOL_REF_IN_BLOCK_P is true.
10096 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
10097 (min_anchor_offset, max_anchor_offset): Likewise.
10098 (use_anchors_for_symbol_p): New hook.
10099 * toplev.c (compile_file): Call output_object_blocks.
10100 (target_supports_section_anchors_p): New function.
10101 (process_options): Check that -fsection-anchors is only used on
10102 targets that support it and when -funit-at-a-time is in effect.
10103 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
10104 if the decl doesn't have one.
10105 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
10106 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
10107 of force_const_mem through use_anchored_address.
10108 (expand_expr_constant): New function.
10109 (expand_expr_addr_expr_1): Call it. Use the same modifier when
10110 calling expand_expr for INDIRECT_REF.
10111 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
10112 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
10113 * expr.h (use_anchored_address): Declare.
10114 * loop-unroll.c: Don't declare rtx vectors here.
10115 * explow.c: Include output.h.
10116 (validize_mem): Call use_anchored_address.
10117 (use_anchored_address): New function.
10118 * common.opt (-fsection-anchors): New switch.
10119 * varasm.c (object_block_htab, anchor_labelno): New variables.
10120 (hash_section, object_block_entry_eq, object_block_entry_hash)
10121 (use_object_blocks_p, get_block_for_section, create_block_symbol)
10122 (use_blocks_for_decl_p, change_symbol_section): New functions.
10123 (get_variable_section): New function, split out from assemble_variable.
10124 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
10125 use_blocks_for_decl_p say so. Use change_symbol_section if the
10126 symbol has already been created.
10127 (assemble_variable_contents): New function, split out from...
10128 (assemble_variable): ...here. Don't output any code for
10129 block symbols; just pass them to place_block_symbol.
10130 Use get_variable_section and assemble_variable_contents.
10131 (get_constant_alignment, get_constant_section, get_constant_size): New
10132 functions, split from output_constant_def_contents.
10133 (build_constant_desc): Create a block symbol if use_object_blocks_p
10134 says so. Or into SYMBOL_REF_FLAGS.
10135 (assemble_constant_contents): New function, split from...
10136 (output_constant_def_contents): ...here. Don't output any code
10137 for block symbols; just pass them to place_section_symbol.
10138 Use get_constant_section and get_constant_alignment.
10139 (force_const_mem): Create a block symbol if use_object_blocks_p and
10140 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
10141 (output_constant_pool_1): Add an explicit alignment argument.
10142 Don't switch sections here.
10143 (output_constant_pool): Adjust call to output_constant_pool_1.
10144 Switch sections here instead. Don't output anything for block symbols;
10145 just pass them to place_block_symbol.
10146 (init_varasm_once): Initialize object_block_htab.
10147 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
10148 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
10149 (place_block_symbol, get_section_anchor, output_object_block)
10150 (output_object_block_htab, output_object_blocks): New functions.
10151 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
10152 (TARGET_ASM_OUT): Include it.
10153 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
10154 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
10155 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
10156 (TARGET_INITIALIZER): Include them.
10157 * rtl.c (rtl_check_failed_block_symbol): New function.
10158 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
10159 (block_symbol, object_block): New structures.
10160 (rtx_def): Add a block_symbol field to the union.
10161 (BLOCK_SYMBOL_CHECK): New macro.
10162 (rtl_check_failed_block_symbol): Declare.
10163 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
10164 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
10165 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
10166 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
10167 * output.h (output_section_symbols): Declare.
10168 (object_block): Name structure.
10169 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
10170 (default_use_anchors_for_symbol_p): Declare.
10171 * Makefile.in (RTL_BASE_H): Add vec.h.
10172 (explow.o): Depend on output.h.
10173 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
10174 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10175 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10176 (rs6000_use_blocks_for_constant_p): New function.
10178 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10180 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
10182 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10185 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
10188 2006-02-18 Diego Novillo <dnovillo@redhat.com>
10190 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
10194 2006-02-18 Jakub Jelinek <jakub@redhat.com>
10196 PR middle-end/26334
10197 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
10198 instead of DECL_REGISTER.
10200 2006-02-18 Olivier Hainque <hainque@adacore.com>
10203 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
10205 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
10208 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
10209 * opth-gen.awk: Handle Var and InverseMask together.
10210 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
10211 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
10212 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
10213 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
10215 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10216 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10217 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
10218 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10219 LINUX_DYNAMIC_LINKER): Define.
10220 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
10221 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
10223 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10224 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
10225 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10226 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10227 (TARGET_C99_FUNCTIONS): Don't define.
10228 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
10229 GLIBC_DYNAMIC_LINKER.
10230 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
10231 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
10232 GLIBC_DYNAMIC_LINKER64): Define.
10233 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10234 LINUX_DYNAMIC_LINKER64.
10235 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10236 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10237 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
10238 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10239 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10240 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10241 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
10242 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
10243 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
10244 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
10245 and LINUX_DYNAMIC_LINKER32.
10246 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10247 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10248 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
10249 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10250 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
10252 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
10253 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
10254 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10255 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10256 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10257 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
10258 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
10259 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
10260 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10261 LINUX_DYNAMIC_LINKER): Define.
10262 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
10263 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
10264 GLIBC_DYNAMIC_LINKER64): Define.
10265 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10266 LINUX_DYNAMIC_LINKER64.
10267 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10268 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10269 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
10270 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10271 LINUX_DYNAMIC_LINKER): Define.
10272 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10273 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10274 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
10275 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
10276 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
10277 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10278 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
10279 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
10280 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10281 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10282 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10283 * doc/invoke.texi (-muclibc): Remove caveat about supported
10286 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
10288 * doc/cpp.texi (__TIMESTAMP__): Document.
10290 2006-02-17 Roger Sayle <roger@eyesopen.com>
10292 PR middle-end/25600
10293 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
10294 C is one less than the width of X (and related transformations).
10295 * simplify-rtx.c (simplify_unary_operation_1): Transform
10296 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
10297 depending on STORE_FLAG_VALUE, were C is one less then the
10300 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
10302 Fix PR tree-optimization/26341
10303 * tree-ssa-operands.c (add_virtual_operand): Remove assert
10304 about NAME_MEMORY_TAG's.
10306 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10309 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
10310 with hardware float support, and software float support. Add fcpy
10311 alternative to hardware patterns. Add alternatives to copy between
10312 general and floating-point registers to the 32-bit pattern.
10313 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
10314 secondary reload to load a QI or HI mode constant into a floating
10316 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
10317 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
10319 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
10322 * config/rs6000/darwin.md (load_macho_picbase_si): Add
10324 (load_macho_picbase_di): Likewise.
10326 2006-02-16 Jeff Law <law@redhat.com>
10328 * tree-vrp.c (set_value_range_to_nonnegative): New function.
10329 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
10330 (ssa_name_nonzero_p): Likewise.
10331 (get_value_range): Return NULL if VRP is not running.
10332 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
10333 VRP routines do not discover a range.
10334 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
10335 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
10336 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
10337 (tree_expr_nonnegative_p): Similarly.
10338 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
10339 (restore_nonzero_vars_to_original_value): Remove.
10340 (unsafe_associative_fp_binop): Remove.
10341 (tree_ssa_dominator_optimize): Remove initialization and
10342 finalization of nonzero_vars and nonzero_vars_stack.
10343 (dom_opt_initialize_block): No longer push marker on
10344 nonzero_vars_stack.
10345 (dom_opt_finalize_block): No longer call
10346 restore_nonzero_vars_to_original_value.
10347 (record_equivalences_from_phis): No longer look for
10348 nonzero PHI arguments.
10349 (cprop_into_successor_phis): No longer propagate nonzero
10350 property into PHI arguments. Lose unused argument. Caller
10352 (record_equivalences_from_stmt): No longer record nonzero
10353 values for SSA_NAMEs.
10354 (lookup_avail_expr): No longer use nonzero_vars.
10356 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
10357 for sizetype when sizetype is unsigned.
10359 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
10361 PR rtl-optimization/25603
10362 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
10363 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
10364 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
10365 with new meaning of SETS.
10367 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
10372 * config/linux.opt: New file.
10373 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
10374 LINUX_DYNAMIC_LINKER): Define.
10375 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
10376 * config.gcc (*-*-linux*): Define extra_options.
10377 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
10378 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
10379 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
10380 GLIBC_DYNAMIC_LINKER.
10381 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
10382 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10383 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10384 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10385 * doc/invoke.texi (GNU/Linux Options): New section.
10387 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10389 * config/sparc/sparc.md (setjmp): Rewrite.
10390 (setjmp_32): Delete.
10391 (setjmp_64): Likewise.
10393 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
10395 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
10398 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10400 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
10403 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10405 PR rtl-optimization/26296
10406 * Makefile.in (loop-invariant.c): Add except.h dependency.
10407 * loop-invariant.c: Include except.h.
10408 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
10410 2005-02-16 Paul Brook <paul@codesourcery.com>
10412 * reload1.c (emit_reload_insns): Invalidate dead input registers used
10415 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
10417 PR rtl-optimization/25636
10418 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
10419 when deciding whether an insn is an initializing insn.
10421 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
10423 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
10424 (tree_code_size): Ditto.
10425 * tree.h (struct tree_memory_tag): Remove parent_var.
10426 (struct tree_struct_field_tag): New.
10429 (union tree_node): Add sft member.
10430 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
10432 (create_sft): Add size and offset argument, set SFT_OFFSET and
10434 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
10435 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
10436 * tree-flow-inline.h (get_subvar_at): Update for
10437 SFT_OFFSET/SFT_SIZE.
10438 (var_can_have_subvars): Ditto.
10439 (overlap_subvar): Ditto.
10440 * print-tree.c (print_node): Print out interesting things for
10442 * tree-flow.h (struct subvar): Remove offset and size members.
10443 * tree-ssa-operands.c (get_expr_operands): Update for
10444 get_indirect_ref_operands changes.
10445 (get_indirect_ref_operands): Call add_virtual_operand instead of
10446 add_stmt_operand. Only recurse on base var if requested.
10447 (access_can_touch_variable): New function.
10448 (add_stmt_operand): Split virtual operand handling into ...
10449 (add_virtual_operand): Here. Add offset, size, and for_clobber
10450 arguments. Prune alias sets.
10451 (add_call_clobber_ops): Call add_virtual_operand.
10453 2006-02-15 Jakub Jelinek <jakub@redhat.com>
10455 PR middle-end/26300
10456 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
10458 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
10459 than TREE_CODE as index into omp_clause_num_ops array.
10461 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
10463 PR rtl-optimization/26184
10464 * modulo-sched.c (generate_reg_moves): Free bitmap vector
10466 * modulo-sched.c (sms_schedule): Free g_arr pointer.
10467 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
10468 must_precede, must_follow and tobe_scheduled.
10471 * opts.c (common_handle_option): Free new_option pointer.
10472 * df-core.c (df_analyze): Free postorder pointer.
10474 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10476 * Makefile.in: Fix the examples about the use of stamps
10478 2006-02-15 Michael Matz <matz@suse.de>
10480 PR middle-end/22275
10482 * stor-layout.c (layout_decl): Zero-width bitfields aren't
10483 influenced by maximum_field_alignment or DECL_PACKED.
10484 (update_alignment_for_field): Ditto.
10485 (place_field): Ditto.
10486 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
10489 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
10491 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
10492 (debug_flow_info): Pass it.
10493 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
10494 * bb-reorder.c (reorder_basic_blocks): Likewise.
10495 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
10496 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
10497 * flow.c (life_analysis, recompute_reg_usage): Likewise.
10498 * gcse.c (gcse_main, bypass_jumps): Likewise.
10499 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
10500 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
10501 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
10502 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
10503 * rtl.h (dump_flow_info): Adjust prototype.
10504 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
10505 * var-tracking.c (variable_tracking_main): Likewise.
10506 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
10507 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
10510 2006-02-15 Marcin Dalecki <martin@dalecki.de>
10512 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
10515 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10517 PR tree-optimization/26209
10518 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
10519 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
10521 * tree-cfg.c (replace_uses_by): Do not alter cfg.
10523 2006-02-14 Roger Sayle <roger@eyesopen.com>
10525 PR middle-end/23670
10526 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
10527 (X,Y) and the corresponding symmetry related transformations.
10528 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
10529 (X,Y) and its symmetry related transformations.
10531 2006-02-14 Roger Sayle <roger@eyesopen.com>
10533 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
10536 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
10538 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
10540 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10543 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
10544 support COMDAT group.
10545 * configure: Regenerate.
10547 2006-02-14 Roger Sayle <roger@eyesopen.com>
10549 PR middle-end/26279
10550 PR middle-end/26280
10551 PR middle-end/26283
10552 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
10554 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
10556 Fix PR tree-optimization/26260
10558 * doc/invoke.texi (max-fields-for-field-sensitive): Document
10560 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
10561 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
10562 * tree-ssa-structalias.c (create_variable_info_for): Use
10563 MAX_FIELDS_FOR_FIELD_SENSITIVE.
10565 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10567 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
10569 * tree-ssa-loop-niter.c (number_of_iterations_ne,
10570 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
10571 of the ending condition.
10572 * tree-ssa-loop-manip.c: Include params.h.
10573 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
10574 tree_unroll_loop): New functions.
10575 * tree-pass.h (pass_loop_prefetch): Declare.
10576 * loop.c (rest_of_handle_loop_optimize): Test for
10577 -fprefetch-loop-arrays-rtl.
10578 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
10579 * timevar.def (TV_TREE_PREFETCH): New timevar.
10580 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
10581 pass_loop_prefetch): New.
10582 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
10583 (cleanup_tree_cfg_loop): Call scev_reset.
10584 * common.opt (fprefetch-loop-arrays-rtl): Add.
10585 * tree-ssa-loop-prefetch.c: New file.
10586 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
10587 (new_temp_expr_table): Initialize expr_vars.
10588 (free_temp_expr_table): Cleanup expr_vars.
10589 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
10590 expressions from being merged into one.
10591 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
10592 (struct tree_niter_desc): Add control, bound and cmp fields.
10593 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
10595 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
10596 (tree-cfgcleanup.o): Add SCEV_H dependency.
10597 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
10598 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
10600 2006-02-14 Richard Guenther <rguenther@suse.de>
10602 PR tree-optimization/26258
10603 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
10604 in PHI argument processing.
10606 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
10608 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
10609 new expression in the requested machine mode.
10611 2006-02-13 Roger Sayle <roger@eyesopen.com>
10613 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
10614 directly, instead let do_compare_rtx_and_jump handle this for us.
10615 * expr.c (expand_expr_real_1): Likewise.
10616 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
10617 before do_jump_by_parts_greater.
10618 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
10619 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
10621 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10623 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
10625 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10627 PR rtl-optimization/26235
10628 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
10629 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
10632 2006-02-13 Jeff Law <law@redhat.com>
10634 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
10637 2006-02-13 Jakub Jelinek <jakub@redhat.com>
10639 PR middle-end/26092
10640 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
10641 twice if decl is a builtin. When trying again, call get_callee_fndecl
10642 first to verify it is still a builtin.
10644 2006-02-13 Geoffrey Keating <geoffk@apple.com>
10646 * dwarf2out.c (base_type_die): Don't add AT_name here.
10647 (subrange_type_die): Don't add AT_name here.
10648 (modified_type_die): Rearrange code flow. Do add AT_name here.
10650 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10652 PR rtl-optimization/26247
10653 PR rtl-optimization/26248
10654 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
10656 2006-02-13 Richard Sandiford <richard@codesourcery.com>
10658 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
10659 * config/fixtfdi.c: Likewise.
10660 * config/fixunstfdi.c: Likewise.
10661 * config/floatditf.c: Likewise.
10663 2006-02-13 Roger Sayle <roger@eyesopen.com>
10665 PR middle-end/24427
10666 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
10667 into (X,C2) if C1 is a subset of the bits of C2. Transform
10668 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
10670 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
10672 2006-02-13 Josh Conner <jconner@apple.com>
10675 * varasm.c (function_section): Check for section name before
10676 calling select_section on targets that define
10677 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
10678 unlikely_text_section instead of hot_function_section if
10679 first_function_block_is_cold.
10681 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
10683 PR middle-end/25335
10684 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
10686 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10688 PR rtl-optimization/26222
10689 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
10690 after tree->rtl expansion.
10691 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
10692 before passing it to emit_move_insn.
10694 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
10696 * doc/invoke.texi (-Write-strings): Document that it is enabled by
10698 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
10699 Clarify documentation.
10700 * c-common.h (warn_write_strings): Remove.
10701 * c-common.c (warn_write_strings): Likewise.
10702 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
10705 2006-02-12 Roger Sayle <roger@eyesopen.com>
10707 PR middle-end/25724
10708 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
10709 (do_jump_parts_zero_rtx): New function renamed from
10710 do_jump_parts_equality_rtx. Made static. Add a mode argument.
10711 (do_jump_parts_equality_rtx): New function split out from
10712 do_jump_parts_equality. Old implementation renamed as above.
10713 Call do_jump_parts_zero_rtx if either operand is zero.
10714 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
10715 do all of the heavy lifting.
10716 (do_compare_rtx_and_jump): Handle multi-word comparisons by
10717 calling either do_jump_by_parts_greater_rtx or
10718 do_jump_by_parts_equality_rtx.
10719 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
10720 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
10721 moved to do_compare_rtx_and_jump, call it directly.
10722 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
10723 mode argument. Call do_compare_rtx_and_jump.
10724 (emit_case_nodes): Update calls to do_jump_if_equal.
10726 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10728 PR rtl-optimization/26225
10729 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
10731 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10733 PR rtl-optimization/26232
10734 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
10736 2006-02-11 Jason Merrill <jason@redhat.com>
10739 * tree-inline.c (declare_return_variable): Just don't use the
10740 modify target if it's a gimple complex reg and the return slot
10743 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10745 * doc/contrib.texi: Update my entry.
10747 2006-02-10 Geoffrey Keating <geoffk@apple.com>
10749 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
10751 2006-02-10 Diego Novillo <dnovillo@redhat.com>
10753 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
10756 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
10758 * doc/invoke.texi (-floop-optimize2): Removed.
10759 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
10760 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
10761 Test flag_branch_on_count_reg only if HAVE_doloop_end.
10762 * common.opt (floop-optimize2): Removed.
10763 (fmove-loop-invariants): Enabled by default.
10765 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
10767 * tree-if-conv.c (combine_blocks): Free the result of
10768 get_loop_exit_edges.
10770 2006-02-10 Jeff Law <law@redhat.com>
10772 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
10774 PR tree-optimization/26213
10775 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
10776 loop trying to follow SSA_NAME_VALUE chains.
10778 2006-02-10 Richard Guenther <rguenther@suse.de>
10780 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
10781 deal with structures that end in implicitly variable sized arrays.
10783 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10785 PR rtl-optimization/24762
10786 * df-scan.c (df_bb_refs_record): Record correct registers defined on
10789 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10791 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
10792 (struct ivopts_data): Add regs_used field.
10793 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
10794 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
10795 instead of loop_data->regs_used;
10796 (free_loop_data): Do not free aux fields for loops.
10797 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
10798 and tree_ssa_iv_optimize_finalize.
10800 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
10802 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
10804 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10807 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
10808 computing the effective result type.
10810 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10812 PR inline-asm/16194
10813 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
10814 (tree_overlaps_hard_reg_set): Declare.
10815 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
10816 type and signature to match function type expected by walk_tree.
10817 (tree_overlaps_hard_reg_set): New function.
10818 (decl_conflicts_with_clobbers_p): Rename to:
10819 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
10820 Use tree_overlaps_hard_reg_set. Changed caller.
10821 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
10822 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
10823 * cris.c (cris_md_asm_clobbers): Likewise.
10825 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
10827 * reload1.c (emit_input_reload_insns): Delete code that tries to
10828 inherit using find_equiv_reg.
10830 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
10832 * c-common.h (flag_const_strings): Don't declare.
10833 * c-common.c (flag_const_strings): Remove.
10834 * c.opt (fconst_strings): Remove.
10835 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
10836 <OPT_Wwrite_strings>: Don't set flag_const_strings.
10837 (c_common_init_options): Don't set flag_const_strings.
10838 * doc/invoke.texi (-fno-const-strings): Remove documentation.
10840 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
10842 * arm.md (tlobits_cbranch): New pattern.
10843 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
10844 testing a single bit.
10846 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10849 * tree-ssa-pre.c (create_component_ref_by_pieces):
10850 Handle RETURN_DECL like VAR_DECL.
10852 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10854 PR middle-end/26134
10855 * fold-const.c (fold_indirect_ref_1): Fold
10856 "*(foo *)&complexfoo" to "__real__ complexfoo"
10857 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
10859 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10861 * tree-flow-inline.h (var_can_have_subvars):
10862 Volatile variables should not have subvariables.
10864 2006-02-09 Diego Novillo <dnovillo@redhat.com>
10867 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
10868 multiplying unsigned values.
10871 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
10873 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
10875 2006-02-08 Jason Merrill <jason@redhat.com>
10878 * tree.def: Elaborate on difference from MODIFY_EXPR.
10879 * doc/c-tree.texi (INIT_EXPR): Likewise.
10880 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
10881 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
10882 (gimplify_target_expr): Likewise.
10883 (gimplify_cond_expr): Remove target handling.
10884 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
10885 (gimplify_expr): Clobber it here.
10886 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
10887 Do return slot optimization if we have an INIT_EXPR.
10890 * tree-inline.c (declare_return_variable): Also clear
10891 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
10894 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
10896 PR middle-end/22439
10897 * gimplify.c (gimplify_one_sizepos): Fix typo.
10899 2006-02-08 Jeff Law <law@redhat.com>
10901 PR tree-optimization/21417
10902 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
10903 across a backedge if the control statement at the end of the
10904 block is data dependent on other statements in the same block.
10905 (record_temporary_equivalences_from_stmts): Remove over-conservative
10906 test for threading across backedges.
10908 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
10909 control statement, handle all three special cases in the same
10910 manner as they all have the same desired solution. No longer
10911 special case edge flag updating when the post dominator is
10914 2006-02-08 Roger Sayle <roger@eyesopen.com>
10916 * tree.def (CHAR_TYPE): Remove.
10917 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
10918 * dwarf2out.c (base_type_die, is_base_type): Likewise.
10919 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
10920 (gen_string_type_die): Delete unreachable function.
10922 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
10923 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
10924 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
10925 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
10926 * builtins.c (type_to_class): Likewise.
10927 * fold-const.c (fold_convert, build_range_check,
10928 merge_ranges): Likewise.
10929 * expr.c (count_type_elements): Likewise.
10930 * c-pretty-print.c (pp_c_type_specifier): Likewise.
10931 * stor-layout.c (layout_type): Likewise.
10932 * ipa-type-escape.c (type_to_consider): Likewise.
10933 * gimplify.c (omp_firstprivatize_type_sizes,
10934 gimplify_type_sizes): Likewise.
10935 * explow.c (promote_mode): Likewise.
10936 * tree-sra.c (is_sra_scalar_type): Likewise.
10937 * varasm.c (output_constant): Likewise.
10938 * tree-inline.c (remap_type_1): Likewise.
10939 * convert.c (convert_to_pointer, convert_to_real,
10940 convert_to_integer, convert_to_complex): Likewise.
10942 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
10944 * df-scan.c (df_def_record_1): A set destination may
10945 be a parallel regardless of mode.
10947 2006-02-08 Roger Sayle <roger@eyesopen.com>
10950 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
10951 * config/mips/_tilib.c: Remove.
10952 * config/fixtfdi.c: New libgcc source file.
10953 * config/fixunstfdi.c: New source file.
10954 * config/floatditf.c: New source file.
10955 * config/floatunditf.c: New souce file.
10956 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10957 files above instead of config/mips/_tilib.c.
10958 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10960 2006-02-08 Jeff Law <law@redhat.com>
10962 PR tree-optimization/26169
10963 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
10966 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
10968 * df.h (DF_REG_SIZE): Return the length of the initialized
10971 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
10973 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
10974 __muldf3): Return a correctly signed zero.
10976 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
10978 * passes.c (register_one_dump_file): Accept the current properties
10979 instead of pass number. Adjust call to dump_register. Remove
10981 (register_dump_files): Now a wrapper around...
10982 (register_dump_files_1): ... this one. Do not modify the pass
10984 (next_pass_1): Cosmetic fix.
10985 (execute_todo): Keep second parameter only. Use curr_properties
10986 instead of fetching it from the pass structure. Check and set
10988 (execute_one_pass): Handle TODO_set_props. Use curr_properties
10989 instead of fetching it from the pass structure. Fix calls to
10990 execute_todo. Update curr_properties and initialize .vcg RTL dump
10991 after running the pass. Reset last_verified.
10992 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
10994 (FIRST_AUTO_NUMBERED_DUMP): New.
10995 (dump_register): Remove "num" parameter, assign it within the
10997 (get_dump_file_name): Modify template for dumps.
10998 * tree-dump.h (dump_register): Adjust prototype.
10999 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
11000 (PROP_trees): Add PROP_gimple_lomp.
11001 (TODO_set_props): New.
11002 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
11003 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
11004 * cfgexpand.c (pass_expand): Destroy PROP_trees.
11006 2006-02-08 Jakub Jelinek <jakub@redhat.com>
11008 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
11009 (sparc64-*-linux*): Likewise.
11010 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
11011 * config/sparc/t-linux: New file.
11012 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
11013 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
11014 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
11015 -m32 -mlong-double-128.
11017 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
11018 * config/alpha/t-linux: New file.
11019 * config/alpha/libgcc-alpha-ldbl.ver: New file.
11021 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
11022 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
11023 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
11024 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
11025 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
11026 (CPP_ARCH32_SPEC): Remove.
11028 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
11030 PR tree-optimization/26145
11031 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
11034 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11037 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
11038 >= 240000 when generating code for SOM runtime.
11039 (output_indirect_call): Don't use "b,l" instruction for indirect calls
11040 to $$dyncall when generating code for SOM runtime..
11042 2006-02-07 Dirk Mueller <dmueller@suse.com>
11045 * doc/invoke.texi (-Wsequence-point): Update documentation
11046 that -Wsequence-point is implemented for C++ as well.
11048 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11050 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
11051 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
11052 (LIB_SPEC): Likewise.
11053 * doc/invoke.texi (SPARC options): Document -pthread.
11055 2006-02-07 Geoffrey Keating <geoffk@apple.com>
11057 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
11060 2006-02-07 Roger Sayle <roger@eyesopen.com>
11062 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
11063 Correct comment describing BOOLEAN_TYPE.
11065 2006-02-07 Dirk Mueller <dmueller@suse.com>
11067 * c.opt: C++ frontend supports -Wdiv-by-zero.
11068 * c-opts.c (c_common_handle_option): Remove dead case.
11070 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11072 * configure.ac (TLS assembler check): Do not enable TLS by
11073 default on SPARC/Solaris before version 10.
11074 * configure: Regenerate.
11076 2006-02-07 David Edelsohn <edelsohn@gnu.org>
11078 * doc/invoke.texi (xl-compat): Document conversion and support
11081 2006-02-07 Jeff Law <law@redhat.com>
11083 * tree-vrp.c (find_conditional_asserts): Update comments.
11084 (simplify_stmt_for_jump_threading): New.
11085 (identify_jump_threads, finalize_jump_threads): New.
11086 (vrp_finalize): Call identify_jump_threads.
11087 (execute_vrp): Call finalize_jump_threads.
11088 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
11089 (vrp_element, vrp_data, vrp_element_p): Remove.
11090 (vrp_hash_elt, vrp_variables_stack): Remove.
11091 (vrp_hash, vrp_eq, record_range): Remove.
11092 (simplify_cond_and_lookup_avail_expr): Remove.
11093 (extract_range_from_cond): Remove.
11094 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
11095 (simplify_stmt_for_jump_threading): New.
11096 (dom_thread_across_edge): New wrapper.
11097 (tree_ssa_dominator_optimize): No longer initialize or
11098 finalize any of the VRP datastructures. Remove iteration
11099 step and simplify as a result of removal of iteration step.
11100 (pass_dominator): Perform a cfg cleanup after DOM.
11101 (dom_opt_finalize_block): Use the new common routines
11102 for threading jumps. Simplify stack management slightly.
11103 No longer need to unwind VRP state.
11104 (record_equivalences_from_incoming_edge): No longer record
11106 (eliminate_redundant_computations): No longer call
11107 simplify_cond_and_lookup_avail_expr.
11108 * tree-flow.h (potentially_threadable_block): Prototype.
11109 (thread_across_edge): Likewise.
11110 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
11111 (tree-ssa-threadedge.o): Add dependencies.
11112 * tree-ssa-threadedge.c: New file.
11113 * passes.c (init_optimization_passes): Merge PHIs before
11114 calling VRP. Run VRP again late in the SSA optimization pipeline.
11116 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11118 * df-core.c (df_set_blocks): Do not dereference function pointers.
11119 (df_finish1): Likewise.
11120 (df_hybrid_search_forward): Likewise.
11121 (df_hybrid_search_backward): Likewise.
11122 (df_iterative_dataflow): Likewise.
11123 (df_analyze_problem): Likewise.
11124 (df_compact_blocks): Likewise.
11125 (df_dump): Likewise.
11126 * df-scan.c (df_rescan_blocks): Likewise.
11127 (df_record_entry_block_defs): Likewise.
11129 * genconditions.c (write_conditions): Guard the definition of
11130 'insn_conditions' with the check on GCC version.
11131 (write_writer): Guard the traversal 'insn_conditions' with
11132 the check on GCC version.
11134 2006-02-07 Richard Guenther <rguenther@suse.de>
11138 2006-01-30 Richard Guenther <rguenther@suse.de>
11140 * gimplify.c (gimplify_target_expr): Handle easy cases
11141 without creating a temporary.
11143 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
11145 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
11146 use of float in probability computations. Use edge probabilities
11147 in place of statically computed probabilities.
11148 (min_spec_prob): New static variable.
11149 (schedule_insns): Initialize it.
11150 (GET_SRC_PROB): Removed.
11151 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
11153 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
11156 * config/ia64/unwind-ia64.c: Revert last change.
11157 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
11158 (INCOMING_FRAME_SP_OFFSET): Define.
11160 2006-02-06 Roger Sayle <roger@eyesopen.com>
11162 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
11164 2006-02-07 Ben Elliston <bje@au.ibm.com>
11166 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
11167 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
11168 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
11169 (ix86_return_in_memory): Handle TDmode.
11170 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
11171 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
11173 2006-02-06 Richard Sandiford <richard@codesourcery.com>
11175 * reorg.c (dbr_schedule): Use dump_file instead of file.
11177 2006-02-06 Steve Ellcey <sje@cup.hp.com>
11180 * config/ia64/predicates.md (extr_len_operand): New predicate.
11181 * config/ia64/ia64.md (extv): Tighten constraints.
11183 (*tbit_and_2): Ditto.
11184 (*tbit_and_3): Ditto.
11185 (*tbit_or_2): Ditto.
11186 (*tbit_or_3): Ditto.
11187 (*bit_zero): Ditto.
11190 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
11193 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
11195 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
11197 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
11198 loop_optimizer_init and loop_optimizer_finalize
11199 * tree-ssa-sink.c (execute_sink_code): Ditto.
11200 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11201 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
11202 tree_ssa_loop_done): Ditto.
11203 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
11204 * sched-ebb.c: Include output.h.
11205 (schedule_ebbs): Do not use dump argument.
11206 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
11207 * loop.c (loop_dump_stream): Removed.
11208 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
11210 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
11211 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
11212 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
11213 loop_iterations, strength_reduce, record_biv, record_giv,
11214 final_giv_value, check_final_value, check_ext_dependent_givs,
11215 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
11216 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
11217 dump_file instead of loop_dump_stream.
11218 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
11219 argument dump_file.
11220 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
11222 * flow.c (life_analysis, rest_of_handle_life): Ditto.
11223 * haifa-sched.c: Include output.h
11224 (schedule_insns, sched_init): Do not use dump argument.
11225 * mode-switching.c (optimize_mode_switching): Ditto.
11226 * modulo-sched.c (stats_file): Removed.
11227 (print_node_sched_params): Do not call argument dump_file.
11228 (sms_schedule_by_order, loop_canon_p, sms_schedule,
11229 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
11231 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
11233 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
11234 rtl_loop_init, rtl_loop_done): Ditto.
11235 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
11236 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
11238 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
11239 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
11240 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
11241 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
11242 * emit-rtl.c (renumber_insns): Ditto.
11243 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
11244 expand_gimple_basic_block, tree_expand_cfg): Ditto.
11245 * regclass.c (regclass): Ditto.
11246 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
11247 remove_ssa_form, rewrite_out_of_ssa): Ditto.
11248 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
11249 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
11251 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
11252 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
11254 * gcse.c (gcse_file, debug_stderr): Removed.
11255 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
11256 rest_of_handle_gcse): Do not use dump argument.
11257 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
11258 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
11259 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
11260 compute_code_hoist_vbeinout, compute_code_hoist_data,
11261 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
11262 compute_store_table, build_store_vectors, insert_insn_start_bb,
11263 insert_store, remove_reachable_equiv_notes, replace_store_insn,
11264 store_motion): Use dump_file instead of gcse_file.
11265 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
11266 * profile.c (profile_dump_file): Removed.
11267 (branch_prob): Use dump_file instead of profile_dump_file.
11268 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
11270 * tree-ssa-copy.c (dump_copy_of): Ditto.
11271 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
11272 dump file to life_analysis.
11273 * bt-load.c (branch_target_load_optimize): Ditto.
11274 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
11276 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
11277 regclass, dbr_schedule): Declaration changed.
11278 * sched-int.h (sched_init): Declaration changed.
11279 * tree-profile.c (tree_profile_dump_file): Removed.
11280 (tree_profile_hooks): Removed profile_dump_file hook.
11281 * rtl-profile (rtl_profile_dump_file): Removed.
11282 (rtl_profile_hooks): emoved profile_dump_file hook.
11283 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
11285 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
11286 * tree-cfg.c (build_tree_cfg): Ditto.
11287 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
11288 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
11289 Declaration changed.
11290 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
11291 life_analysis and schedule_insns.
11292 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
11294 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
11296 * config/mips/mips.c (mips_reorg): Ditto.
11297 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
11300 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
11302 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11303 (s390_mangle_fundamental_type): New.
11304 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11307 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11308 (alpha_mangle_fundamental_type): New.
11309 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11312 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11314 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11316 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11317 (sparc_mangle_fundamental_type): New.
11319 2006-02-06 Jakub Jelinek <jakub@redhat.com>
11321 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
11322 (s390x-*-linux*): Likewise.
11323 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
11324 * config/s390/t-linux: New file.
11326 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11328 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
11329 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
11331 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
11333 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
11334 (ANTIC_SAFE_LOADS): New macro.
11335 (find_or_generate_expression): Add prototype.
11336 (set_contains_value): Allow null set for sake of not always having
11337 to allocate ANTIC_SAFE_LOADS.
11338 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
11339 Allow COMPONENT_REF too.
11340 (valid_in_set): Allow COMPONENT_REF.
11341 Check ANTIC_SAFE_LOADS too.
11342 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
11343 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
11345 (can_PRE_operation): Add COMPONENT_REF.
11346 (create_component_ref_by_pieces): New function.
11347 (create_expression_by_pieces): Use create_component_ref_by_pieces.
11348 (insert_aux): Move AGGREGATE_TYPE_P check here.
11349 (compute_avail): Set bb local stmt uids.
11350 (pass_pre): Use TODO_update_ssa_only_virtuals.
11352 2006-02-06 Ben Elliston <bje@au.ibm.com>
11354 * configure.ac: Unconditionally disable decimal float by default.
11355 * configure: Regenerate.
11357 2006-02-06 Ben Elliston <bje@au.ibm.com>
11359 * read-rtl.c (read_name): Terminate reading on EOF.
11361 2006-02-06 Ben Elliston <bje@au.ibm.com>
11363 * dfp.c (decimal_real_arithmetic): Change second argument type
11364 from int to enum tree_code. Do not always return true, but now
11365 return result of any call to decimal_do helper functions.
11366 * dfp.h (decimal_real_arithmetic): Update prototype.
11368 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
11370 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
11372 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
11375 * tree-cfg.c (cleanup_dead_labels): Also don't remove
11378 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11380 * tree-vrp.c (cfg_loops): Removed.
11381 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
11382 Use current_loops instead of cfg_loops. Pass flags to
11383 loop_optimizer_init.
11384 * cfgloopmanip.c (fix_loop_structure): Update only available
11386 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
11387 loop_optimizer_init.
11388 * modulo-sched.c (build_loops_structure): Removed.
11389 (sms_schedule): Use loop_optimizer_init.
11390 * loop-init.c (loop_optimizer_init): Use flags to determine
11391 which properties of loops to prepare.
11392 (rtl_loop_init): Pass flags to loop_optimizer_init.
11393 * tree-ssa-sink.c (execute_sink_code): Ditto.
11394 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
11395 * tree-ssa-pre.c (init_pre): Ditto.
11396 * cfgloop.h (LOOPS_NORMAL): New.
11397 (loop_optimizer_init): Declaration changed.
11399 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11401 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
11402 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
11404 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
11406 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
11408 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
11409 * pa/t-pa64: Delete quadlib.c rule.
11410 * pa/x-ada: Revert last change.
11411 * pa/t-pa: Revert last change. Delete quadlib.c rule.
11413 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11415 PR rtl-optimization/26087
11416 * rtlanal.c (canonicalize_condition): Do not cross basic block
11419 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
11422 * config/ia64/ia64.c: Include debug.h.
11423 (MAX_ARTIFICIAL_LABEL_BYTES): New.
11424 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
11425 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
11426 (process_epilogue, process_set, process_for_unwind_directive):
11427 Output unwind info only if requested. Add CFA info if requested.
11428 Add new arguments as needed. Adjust callers.
11429 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
11431 (DWARF2_FRAME_INFO): Define to zero.
11432 * config/ia64/unwind-ia64.c: Remove code that compensated for
11433 the CFA offset error fixed above.
11434 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
11435 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
11436 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
11437 -funwind-tables and -fexceptions to enable frame info.
11438 (dwarf2out_frame_init): Define initial CFA even if
11439 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
11440 DWARF2_UNWIND_INFO is nonzero, not just defined.
11441 (dwarf2out_frame_finish): Output non-EH call frame info only
11442 if DWARF2_FRAME_INFO is nonzero.
11443 (convert_cfa_to_loc_list,
11444 compute_frame_pointer_to_cfa_displacement): Define even if
11445 unwind info is not supported.
11446 (gen_subprogram_die): Use the above unconditionally. Remove
11447 legacy alternate code.
11448 * toplev.c (compile_file): Compile in call to
11449 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
11450 (lang_dependent_init): Ditto for dwarf2out_frame_init.
11452 2006-02-04 David Edelsohn <edelsohn@gnu.org>
11453 Jakub Jelinek <jakub@redhat.com>
11455 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
11456 IBM extended float format long double as "g" on powerpc*-linux.
11458 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11461 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
11462 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
11464 2006-02-03 Jason Merrill <jason@redhat.com>
11467 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
11469 PR middle-end/25977
11470 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
11471 on the return slot if it's an NRV.
11473 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
11475 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
11476 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
11477 rewrite_use): Do not handle USE_OUTER.
11478 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
11479 add_iv_outer_candidates, may_replace_final_value,
11480 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
11481 (find_interesting_uses_op): Functionality of
11482 find_interesting_uses_outer_or_nonlin moved here.
11483 (find_interesting_uses_outside): Use find_interesting_uses_op.
11485 2006-02-03 Alan Modra <amodra@bigpond.net.au>
11488 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
11490 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
11491 Ulrich Weigand <uweigand@de.ibm.com>
11494 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
11495 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
11496 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
11497 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
11499 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
11500 (s390_rtx_costs): Use the new fields to calculate rtx costs.
11501 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
11502 Define secondary reloads for TFmode moves.
11503 (constant_modes): Add TFmode.
11504 (NR_C_MODES): Set to 8.
11505 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
11507 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
11508 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
11509 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
11510 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
11511 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
11512 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
11513 (FPR mode macro): Add TFmode.
11514 (DSF mode macro): New.
11515 (<de>, <dee> mode attributes): Removed.
11516 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
11517 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
11518 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
11519 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
11520 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
11521 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
11522 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
11523 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
11524 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
11525 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
11526 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
11527 "*negabs<mode>2", "sqrt<mode>2"):
11528 Changed <de> to <xde>. R constraint replaced by <Rf>.
11529 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
11531 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
11532 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
11533 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
11535 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
11536 "extenddftf2", "extendsftf2"): New expanders.
11537 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
11538 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
11539 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
11540 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
11542 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
11543 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
11544 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
11545 __floatditf): Add a GCC_4.1.0 symbol version tag.
11546 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
11549 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
11552 * config/i386/i386.c (ix86_function_ok_for_sibcall):
11553 Use targetm.binds_local_p instead of TREE_PUBLIC.
11555 2006-02-02 Roger Sayle <roger@eyesopen.com>
11557 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
11558 on INTEGER_TYPEs to indicate that it denotes a character type.
11559 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
11560 signed_char_type_node, unsigned_char_type_node and char_type_node.
11561 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
11562 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
11563 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
11565 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
11566 Daniel Berlin <dberlin@dberlin.org>
11568 * tree-tailcall.c (arg_needs_copy_p): New function.
11569 (eliminate_tail_call): Use arg_needs_copy_p.
11570 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
11571 (add_virtual_phis): New function.
11573 2006-02-02 Jakub Jelinek <jakub@redhat.com>
11575 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
11576 #ignore instead of #scratch for %g7 .register directive.
11578 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
11580 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
11583 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11585 * flow.c (calculate_global_regs_live): Assert that there aren't any
11588 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
11590 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
11591 what its name says.
11592 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
11593 bsi_after_labels iterator.
11594 * tree-if-conv.c (find_phi_replacement_condition,
11595 replace_phi_with_cond_modify_expr): Likewise.
11596 * tree-scalar-evolution.c (scev_const_prop): Likewise.
11597 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
11599 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11601 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
11603 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11606 * tree-cfg.c (move_block_to_fn): Clear out the basic block
11607 array after growing it.
11609 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11611 PR middle-end/24901
11612 * fold-const.c (fold_checksum_tree): Change type of buf.
11614 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
11616 * reload.c (push_secondary_reload): Initialize t_icode.
11618 2006-02-01 Jakub Jelinek <jakub@redhat.com>
11620 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
11621 -msoft-float -mlong-double-128 only issue a warning, but don't
11622 swich to DFmode long double.
11624 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
11626 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
11627 has a constant equivalent, iterate over equivalents for arg0,
11628 calling simplify_relational_operation and if there's a result
11629 cheaper than X, apply fold_rtx and return the result.
11631 2006-02-01 Jan Hubicka <jh@suse.cz>
11633 * opts.c (no_unit_at_a_time_default): New global variable.
11634 (decode_options): Use it.
11635 * opts.h (no_unit_at_a_time_default): Declare.
11637 2006-02-01 Paul Brook <paul@codesourcery.com>
11639 * function.c (assign_parm_setup_reg): Use function argument promotion
11641 * expr.c (expand_expr_real_1): Use function argument promotion rules
11644 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11646 * gcc.c (process_command): Change j to 'unsigned int'.
11648 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11650 PR middle-end/26001
11651 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
11652 Use the corrected index for the character
11653 out of the string constant.
11655 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11657 * mode-switching.c (optimize_mode_switching): Fix size
11658 allocated for bb_info[n_entities].
11660 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11662 * gcc.c (main): Correct type that is allocated for
11663 explicit_link_files.
11665 2006-01-31 Jakub Jelinek <jakub@redhat.com>
11667 * config/s390/s390.c (init_alignment_context): Set
11668 ALIAS_SET_MEMORY_BARRIER on the MEM.
11669 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
11671 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
11673 PR middle-end/25933
11674 * loop-unroll.c (unroll_loop_runtime_iterations): Free
11676 * tree-ssa-live.c (type_var_init): Allocate bitmap after
11679 2006-01-31 Marcin Dalecki <martin@dalecki.de>
11681 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
11682 * regrename.c: Ditto.
11683 * tree-ssa-loop-im.c: Ditto.
11684 * tree-dump.c: Ditto.
11685 * tree-complex.c: Ditto.
11686 * genrecog.c: Ditto.
11687 * tree-ssa-threadupdate.c: Ditto.
11689 * java/class.c: Ditto.
11690 * java/jcf-parse.c: Ditto.
11691 * java/resource.c: Ditto.
11692 * java/except.c: Ditto.
11693 * java/jvspec.c: Ditto.
11694 * java/jcf-write.c: Ditto.
11695 * java/jcf-path.c: Ditto.
11696 * java/gjavah.c: Ditto.
11697 * java/zextract.c: Ditto.
11698 * java/jcf-io.c: Ditto.
11699 * java/jcf.h: Ditto.
11700 * java/buffer.c: Ditto.
11701 * java/lang.c: Ditto.
11702 * java/parse-scan.y: Ditto.
11703 * java/lex.c: Ditto.
11704 * java/lex.h: Ditto.
11705 * cfgloopmanip.c: Ditto.
11706 * postreload-gcse.c: Ditto.
11707 * tree-ssa-loop-manip.c: Ditto.
11708 * postreload.c: Ditto.
11709 * tree-ssa-loop-ch.c: Ditto.
11712 * cppspec.c: Ditto.
11713 * diagnostic.c: Ditto.
11715 * genoutput.c: Ditto.
11717 * cfghooks.c: Ditto.
11718 * cfgloopanal.c: Ditto.
11719 * objc/objc-act.c: Ditto.
11721 * genextract.c: Ditto.
11722 * genautomata.c: Ditto.
11723 * pretty-print.c: Ditto.
11724 * genemit.c: Ditto.
11725 * cgraphunit.c: Ditto.
11727 * df-scan.c: Ditto.
11728 * haifa-sched.c: Ditto.
11729 * dominance.c: Ditto.
11731 * tree-ssa-loop-ivopts.c: Ditto.
11732 * df-core.c: Ditto.
11733 * mode-switching.c: Ditto.
11734 * modulo-sched.c: Ditto.
11736 * ipa-pure-const.c: Ditto.
11738 * fix-header.c: Ditto.
11740 * tree-stdarg.c: Ditto.
11741 * ipa-utils.c: Ditto.
11742 * loop-init.c: Ditto.
11743 * ipa-inline.c: Ditto.
11744 * cfganal.c: Ditto.
11746 * alloc-pool.c: Ditto.
11747 * dwarf2out.c: Ditto.
11749 * genattrtab.c: Ditto.
11750 * tree-ssa-loop-ivcanon.c: Ditto.
11751 * predict.c: Ditto.
11752 * timevar.c: Ditto.
11754 * fortran/gfortranspec.c: Ditto.
11755 * regmove.c: Ditto.
11756 * local-alloc.c: Ditto.
11757 * langhooks.c: Ditto.
11758 * function.c: Ditto.
11759 * tree-vectorizer.c: Ditto.
11761 * ipa-type-escape.c: Ditto.
11763 * tree-if-conv.c: Ditto.
11764 * profile.c: Ditto.
11766 * tree-data-ref.c: Ditto.
11767 * loop-unroll.c: Ditto.
11768 * treelang/treetree.c: Ditto.
11770 * bt-load.c: Ditto.
11771 * ggc-common.c: Ditto.
11773 * coverage.c: Ditto.
11775 * tree-cfgcleanup.c: Ditto.
11776 * tree-ssa-pre.c: Ditto.
11777 * cfgcleanup.c: Ditto.
11778 * loop-invariant.c: Ditto.
11779 * loop-iv.c: Ditto.
11780 * ipa-prop.c: Ditto.
11781 * print-tree.c: Ditto.
11782 * conflict.c: Ditto.
11783 * ggc-page.c: Ditto.
11784 * sched-deps.c: Ditto.
11785 * regclass.c: Ditto.
11786 * tree-object-size.c: Ditto.
11787 * combine.c: Ditto.
11788 * bb-reorder.c: Ditto.
11789 * resource.c: Ditto.
11790 * var-tracking.c: Ditto.
11791 * cfgloop.c: Ditto.
11792 * df-problems.c: Ditto.
11793 * reg-stack.c: Ditto.
11795 * gccspec.c: Ditto.
11796 * sched-rgn.c: Ditto.
11797 * tree-ssa-structalias.c: Ditto.
11798 * tree-ssa-reassoc.c: Ditto.
11799 * config/darwin-c.c: Ditto.
11800 * config/darwin.c: Ditto.
11801 * config/arm/arm.c: Ditto.
11803 * collect2.c: Ditto.
11804 * reload1.c: Ditto.
11806 2006-01-31 Nicolas Pitre <nico@cam.org>
11808 * arm.md (smaxsi3): Make aware of smax_m1.
11811 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
11813 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
11815 2006-01-31 Richard Guenther <rguenther@suse.de>
11817 * doc/invoke.texi (-msselibm): Document.
11818 * target.h (expand_library_builtin): New target hook.
11819 * builtins.c (expand_builtin): Use expand_library_builtin.
11820 (default_expand_library_builtin): New function.
11821 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11822 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11823 (link_gcc_math_spec): Declare.
11824 (static_specs): Add link_gcc_math_spec.
11825 * expr.h (default_expand_library_builtin): Declare.
11826 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11827 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11828 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11829 * config/i386/i386.opt (msselibm): New target option.
11830 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11831 (ix86_init_sse_abi_builtins): New function.
11832 (ix86_expand_library_builtin): Likewise.
11833 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11834 (override_options): Handle error conditions wrt -msselibm.
11835 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11836 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11837 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11840 2006-01-31 Richard Guenther <rguenther@suse.de>
11841 Paolo Bonzini <bonzini@gnu.org>
11843 * doc/install.texi (--disable-libgcc-math): Document.
11845 2006-01-30 Marcin Dalecki <martin@dalecki.de>
11847 * expr.h (expand_normal): new inline function.
11848 * builtins.c: use it, use EXPAND_NORMAL explicitely.
11849 * dojump.c: use it.
11850 * dwarf2out.c: use it.
11853 * expmed.c: use it.
11854 * except.c: use it.
11855 * config/sparc/sparc.c: use it.
11856 * config/i386/i386.c: use it.
11857 * config/rs6000/rs6000.c: use it.
11858 * config/arm/arm.c: use it.
11859 * config/mips/mips.c: use it.
11860 * stmt.c: use it, use EXPAND_NORMAL explicitely.
11862 2006-01-30 Roger Sayle <roger@eyesopen.com>
11864 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
11865 argv to the appropriate type.
11867 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
11869 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
11872 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
11875 * config/s390/s390.c (struct machine_function): New flag
11876 decomposed_literal_pool_addresses_ok_p.
11877 (s390_reorg): Set it before final stage of literal pool transforms.
11878 (s390_decompose_address): Only accept displacements of the form
11879 (minus (label_ref ...) (label_ref ...)) if that flag is set.
11881 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
11883 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
11884 the comparison routine return.
11886 2006-01-30 Michael Matz <matz@suse.de>
11888 * global.c (find_reg): Only evict for global regs.
11889 Take n_refs into account and dump more info.
11891 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
11894 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
11895 (pragma_trap, pragma_nosave_low_regs): Likewise.
11896 (current_function_anonymous_args): Likewise.
11897 (sh_deferred_function_attributes): New variable.
11898 (sh_deferred_function_attributes_tail): Likewise.
11899 (print_operand): For '@', look up trap_exit attribute.
11900 (calc_live_regs): Look up trapa_handler attribute. For trapa
11901 handlers, save/restore fpscr, but don't do any other
11902 interrupt-specific saves.
11903 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
11904 Fix check for partially saved registers to check for SHmedia.
11905 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
11906 (sh_output_function_epilogue): Don't clear any of the removed
11908 (sh_insert_attributes): Don't check pragma_interrupt.
11909 Insert deferred attributes. Check that interrupt attribute is
11910 present for other attributes that require its presence.
11911 (sh_attribute_table): Add new attributes trapa_handler and
11913 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
11914 Don't check for pragma_interrupt. Don't store argument.
11915 * sh.h (pragma_interrupt, sp_switch): Don't declare.
11916 (sh_deferred_function_attributes): Declare.
11917 (sh_deferred_function_attributes_tail): Likewise.
11918 * sh.md (sp_switch_1): Add operand. Change generator caller.
11919 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
11920 (*return_i): Don't use when trap_exit attribute is in effect.
11921 (*return_trapa): New insn pattern.
11922 * sh-c.c: New file.
11923 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
11924 setting c_target_objs and cxx_target_objs.
11925 * t-sh: Add rule for sh-c.o.
11927 2006-01-30 Richard Guenther <rguenther@suse.de>
11930 * gimplify.c (gimplify_target_expr): Handle easy cases
11931 without creating a temporary.
11933 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
11935 * vec.h (safe_grow): Remove duplicated line.
11937 2006-01-29 Diego Novillo <dnovillo@redhat.com>
11940 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
11941 (expand_omp): ... here.
11942 (expand_omp_parallel): Only remove barriers for combined
11943 parallel+workshare constructs.
11945 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
11949 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
11950 * tree.c (build_qualified_type): Chain the new type to the original
11951 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
11952 a POINTER_TYPE or a REFERENCE_TYPE respectively.
11953 (build_pointer_type_for_mode): Only return unqualified types.
11954 (build_reference_type_for_mode): Likewise.
11956 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
11958 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
11959 * Makefile.in (CXX_COMPAT_WARN): Define.
11960 * configure: Regenerate.
11962 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
11965 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
11968 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11970 * toplev.c: Fix thinko.
11972 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11973 Marcin Dalecki <martin@dalecki.de>
11975 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
11976 (push_srcloc): Use XNEW.
11977 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
11979 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
11981 * df-core.c (df_set_blocks): Deleted all variable.
11983 2006-01-28 Ian Lance Taylor <ian@airs.com>
11985 * cgraphunit.c (cgraph_assemble_pending_functions): Call
11986 cgraph_output_pending_asms.
11988 2006-01-28 Zack Weinberg <zackw@panix.com>
11990 * c.opt: Add -W(no-)overlength-strings.
11991 * doc/invoke.texi: Document it.
11992 * c-opts.c (c_common_handle_option): -pedantic implies
11993 -Woverlength-strings, if not explicitly disabled already.
11994 (c_common_post_options): -Woverlength-strings defaults to off, and
11995 is always off for C++.
11996 * c-common.c (fix_string_type): Issue warning about strings longer
11997 than is portable only if warn_overlength_strings. Rearrange code
11998 a little for clarity.
11999 * configure.in: Check for -Wno-overlength-strings as well before
12000 enabling -pedantic in stage 1.
12001 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
12002 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
12004 * genconditions.c (write_header, write_one_condition)
12005 (write_conditions, write_writer): Consolidate very long strings
12006 that were broken up to fit in C89 portable limit. Don't use
12007 printf when fputs will do.
12009 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
12011 * combine.c (simplify_comparison <AND>): Check
12012 TRULY_NOOP_TRUNCATION before start using a subreg.
12014 * config/mips/mips.md (*branch_zero<mode>,
12015 *branch_zero<mode>_inverted, *branch_equality<mode>,
12016 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
12017 Remove mode check from comparisons.
12019 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
12021 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
12023 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12025 * expmed.c (const_mult_add_overflow_p): Remove.
12026 * expr.h: Remove the prototype for const_mult_add_overflow_p.
12028 * recog.c (validate_replace_rtx_subexp): Remove.
12029 * recog.h: Remove the prototype for
12030 validate_replace_rtx_subexp.
12032 * integrate.h: Remove the prototype for
12033 copy_decl_for_inlining.
12034 * rtl.h: Remove the prototype for mark_constant_function.
12035 * tree-vectorizer.h: Remove the prototype for
12036 vect_strip_conversion.
12038 * modulo-sched.c (create_partial_schedule,
12039 free_partial_schedule, reset_partial_schedule): Make them
12042 * hooks.c (hook_bool_rtx_int_false): Remove.
12043 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
12045 2006-01-28 David Edelsohn <edelsohn@gnu.org>
12047 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12048 and -mlong-double-128 are incompatible.
12049 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
12050 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
12051 (TARGET_LIBGCC2_CFLAGS): Define.
12052 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
12053 (TARGET_LIBGCC2_CFLAGS): Same.
12054 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
12056 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12059 * c-typeck.c (build_binary_op): Perform implicit casts of
12060 operands before shortening them.
12062 * cfgloopmanip.c (split_loop_bb): Remove.
12063 * cfgloop.h: Remove the prototype for split_loop_bb.
12065 * cfgloop.c (flow_loop_outside_edge_p): Remove.
12066 * cfgloop.h: Remove the prototype for
12067 flow_loop_outside_edge_p.
12069 * emit-rtl.c (init_virtual_regs): Make it static.
12070 * function.h: Remove the prototype for init_virtual_regs.
12072 * recog.c (peephole2_optimize): Make it static.
12073 * recog.h: Remove the prototype for peephole2_optimize.
12075 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12077 * df-scan.c (df_record_entry_block_defs): Check if
12078 INCOMING_RETURN_ADDR_RTX is defined.
12080 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
12081 Kenneth Zadeck <zadeck@naturalbridge.com>
12083 PR rtl-optimization/24762
12084 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12085 * targhooks.c (hook_void_bitmap): New hook prototype.
12086 * targhoohs.h (hook_void_bitmap): Ditto.
12087 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
12088 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
12089 * target.h (live_on_entry): New function pointer.
12090 * df-scan.c (df_all_hard_regs): Removed.
12091 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
12092 (df_scan_free_internal): Added df->entry_block_defs.
12093 (df_scan_alloc): Ditto.
12094 (df_scan_dump): Ditto.
12095 (df_uses_record): Plumbed flag field properly thru calls.
12096 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
12097 This part fixes PR24762.
12098 (df_bb_refs_record): Added code to make the frame and arg
12099 pointers live in EH blocks.
12100 (df_refs_record): Added call to df_record_entry_block_defs.
12101 (df_record_entry_block_defs): New function.
12102 * df-core.c: Added comments to describe new artifical defs.
12103 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
12104 (entry_block_defs): New field in struct df.
12105 (df_all_hard_regs): Deleted.
12106 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12107 * df-problems.c (df_ru_bb_local_compute_process_def):
12108 Added code to handle artifical defs in the entry to a function.
12109 (df_ru_bb_local_compute): Ditto.
12110 (df_rd_bb_local_compute_process_def): Ditto.
12111 (df_rd_bb_local_compute): Ditto.
12112 (df_lr_bb_local_compute): Ditto.
12113 (df_ur_bb_local_compute): Ditto.
12114 (df_urec_bb_local_compute): Ditto.
12115 (df_chain_create_bb): Ditto.
12116 (df_ur_local_finalize): Removed entry.
12117 (df_urec_init): Ditto.
12118 (df_urec_local_finalize): Ditto.
12119 (df_ri_bb_compute): Added detection of last use of pseudos.
12120 * Makefile.in (df-scan.o): Updated dependencies.
12121 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
12122 * config/mips/mips.c (mips_set_live_on_entry): Added.
12123 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
12125 * dce.c (marked_insn_p): Added code to handle artifical defs.
12127 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12129 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
12131 (_mm_cvtsi128_si64): Likewise.
12132 (_mm_cvtsd_si64): Likewise.
12133 (_mm_cvttsd_si64): Likewise.
12134 (_mm_cvtsi64_sd): Likewise.
12135 (_mm_cvtsi64_si128): Likewise.
12136 * config/i386/mmintrin.h (_m_from_int64): Likewise.
12137 (_mm_cvtsi64_m64): Likewise.
12138 (_m_to_int64): Likewise.
12139 (_mm_cvtm64_si64): Likewise.
12140 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
12141 (_mm_cvttss_si64): Likewise.
12142 (_mm_cvtsi64_ss): Likewise.
12143 (_mm_cvtss_f32): Likewise.
12145 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
12147 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
12148 for pragma redefine_extname.
12150 2006-01-27 Jakub Jelinek <jakub@redhat.com>
12153 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
12154 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
12155 -mno-minimal-toc to previous content.
12156 (bispecs): Remove goal.
12157 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
12158 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
12159 compatibility aliases on powerpc-*-*gnu*.
12160 * config/rs6000/libgcc-ppc-glibc.ver: New file.
12161 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
12162 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
12163 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
12164 (ldblspecs): New goal.
12165 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
12166 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
12168 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
12169 L_sf_to_tf or L_df_to_tf is defined.
12171 2006-01-27 David Edelsohn <edelsohn@gnu.org>
12172 Alan Modra <amodra@bigpond.net.au>
12175 * config/rs6000/linux.h (POWERPC_LINUX): Define.
12176 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
12177 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
12178 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
12179 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
12180 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
12181 (rs6000_override_options): Initialize rs6000_ieeequad.
12182 Initialize TFmode format to ibm_extended_format if not
12184 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
12186 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
12187 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
12188 (function_arg_advance): IBM long double passed in two FPRs, not
12190 (function_arg): IBM long double passed in FPRs.
12191 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
12192 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
12193 Only multireg GPR aligned.
12194 (rs6000_init_libfuncs): Enable IBM long double functions if not
12196 (rs6000_generate_compare): Use IBM long double compare if not
12198 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
12199 (TARGET_IEEEQUAD): Define.
12200 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
12201 not TARGET_IEEEQUAD.
12202 * config/rs6000/rs6000.md: Enable TFmode patterns if
12204 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
12205 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12206 and -mlong-double-128 are incompatible.
12207 * doc/invoke.texi (-mabi): Collect options together. Add
12208 ibmlongdouble and ieeelongdouble.
12210 2006-01-27 Richard Sandiford <richard@codesourcery.com>
12212 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
12214 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
12215 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
12216 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
12217 * rtl.h (rtunion_def): Remove rt_ptr.
12219 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
12220 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
12221 * config/i386/winnt.c (i386_pe_mark_dllexport)
12222 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
12224 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
12226 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
12228 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12232 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
12233 pthread_key_delete. From John David Anglin. gthrw-ify
12234 pthread_getunique_np only if it it's not a macro. Delete
12236 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
12237 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
12238 __gthread_objc_condition_signal, __gthread_key_delete): Add
12239 "__attribute__ ((__unused__))" to unused arguments.
12240 (__gthread_recursive_mutex_init_function): Add missing return.
12241 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
12242 gthr-posix95.h: Use macro-based approach for name redirection
12243 on targets missing weakref.
12245 2006-01-26 Zack Weinberg <zackw@panix.com>
12247 * genconditions.c (write_header): In generated code, #ifdef out
12248 all includes and fake declarations, except includes of bconfig.h
12249 and system.h, unless GCC_VERSION >= 3001. Do not include
12250 gensupport.h in any case.
12251 (write_conditions): Generate a definition of struct c_test. Add
12252 a comment to the generated #endif.
12253 (write_one_condition): Escape backslashes in string too.
12254 (write_writer): Generated code must escape backslashes and quote
12255 marks (but not newlines) in the strings it writes.
12256 * Makefile.in (build/gencondmd.o): Update dependencies.
12258 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12261 * Makefile.in (insn-automata.o): Add header file dependencies.
12262 * genautomata.c: Add includes.
12264 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12267 * Makefile.in (insn-automata.o): Add -Wno-error flag.
12269 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12271 * configure.ac: Expect target tools paths to be passed from the toplevel
12272 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
12274 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
12276 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12279 * c.opt (Wpointer-sign): Init to -1.
12280 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
12281 OPT_pedantic, to 0 otherwise.
12282 * doc/invoke.texi: Update.
12284 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12286 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
12287 constants provided by 80387 instructions in the destination mode.
12289 2006-01-26 Richard Guenther <rguenther@suse.de>
12290 Andrew Pinski <pinskia@physics.uc.edu>
12293 partial PR tree-opt/17064
12294 * tree-ssa-structalias.c (intra_create_variable_infos):
12295 Create heap variables for incoming parameters if
12296 flag_argument_noalias > 1.
12297 (find_what_p_points_to): Look through default defs of
12300 2006-01-26 Jeff Law <law@redhat.com>
12303 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
12304 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
12305 within the VR_RANGE, use the VR_RANGE as the result, not the
12307 (adjust_range_with_scev): Reject ranges from SCEV which are out of
12308 bounds for the type.
12310 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
12312 * tree-ssa-alias.c (maybe_create_global_var): Change
12313 subvar walking to an assertion that we don't have subvar'd variables.
12315 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
12318 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
12319 Use a new variable, inner. PARM_DECLs are always non-weak.
12321 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
12323 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
12324 --disable-checking.
12326 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
12328 * config/mips/mips.md (*clear_upper32): New combiner pattern.
12330 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
12332 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
12333 (smax_insn, smin_insn, smax_0, smin_0): New.
12335 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
12338 * config/cris/cris.c (cris_order_for_addsi3): New function.
12339 * config/cris/cris-protos.h: Prototype it.
12340 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
12341 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
12342 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
12343 (split for "op.S1 [rx=rx+i],ry (swapped)")
12344 (split for "op(s|u).S1 [rx=rx+i],ry")
12345 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
12346 Apply cris_order_for_addsi3 when generating addsi3 insns.
12348 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12350 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
12351 (TREE_BLOCK): Add call to EXPR_CHECK.
12353 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12356 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
12357 * tree-pretty-print.c (dump_omp_clause): Extract from ...
12358 (dump_omp_clauses): ... here.
12359 (dump_generic_node): Handle OMP_CLAUSE.
12360 * tree.c (omp_clause_num_ops): New.
12361 (omp_clause_code_name): New.
12362 (tree_code_size): Handle OMP_CLAUSE.
12363 (tree_size): Likewise.
12364 (make_node): Document handling of OMP_CLAUSE.
12365 (tree_node_structure): Handle OMP_CLAUSE.
12366 (omp_clause_check_failed): New.
12367 (omp_clause_range_check_failed): New.
12368 (omp_clause_operand_check_failed): New.
12369 (build_omp_clause): New.
12370 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
12371 * tree.h (enum omp_clause_code): Declare.
12372 (OMP_CLAUSE_SUBCODE_CHECK): Define.
12373 (OMP_CLAUSE_RANGE_CHECK): Define.
12374 (OMP_CLAUSE_ELT_CHECK): Define.
12375 (omp_clause_check_failed): Declare.
12376 (omp_clause_operand_check_failed): Declare.
12377 (omp_clause_range_check_failed): Declare.
12378 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
12379 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
12380 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
12381 (OMP_CLAUSE_LASTPRIVATE): Likewise.
12382 (OMP_CLAUSE_IF_EXPR): Likewise.
12383 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
12384 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
12385 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
12386 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
12387 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
12388 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
12389 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
12390 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
12391 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
12392 (OMP_CLAUSE_CODE): Define.
12393 (OMP_CLAUSE_SET_CODE): Define.
12394 (OMP_CLAUSE_CODE): Define.
12395 (OMP_CLAUSE_OPERAND): Define.
12396 (struct tree_omp_clause): Declare.
12397 (union tree_node): Add field 'omp_clause'.
12398 * treestruct.def (TS_OMP_CLAUSE): Define.
12399 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
12400 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
12401 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
12402 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
12403 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
12404 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
12405 (OMP_CLAUSE): Define.
12406 * print-tree.c (print_node): Handle OMP_CLAUSE.
12407 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
12408 * c-typeck.c: Likewise.
12409 * gimplify.c: Likewise.
12410 * c-omp.c: Likewise.
12411 * tree-nested.c: Likewise.
12412 * tree-inline.c: Likewise.
12413 * c-parser.c: Likewise.
12414 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
12417 2006-01-25 Roger Sayle <roger@eyesopen.com>
12419 PR rtl-optimization/25703
12420 * combine.c (try_combine): Handle zero_extract and strict_low_part
12421 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
12423 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
12425 * global.c: Fix comment typos.
12427 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
12430 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
12431 Use output_addr_const instead of assemble_name.
12433 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
12435 * Makefile.in (sched-vis.o): Update dependencies.
12436 * haifa-sched.c (sched_finish): Clear current_sched_info.
12437 * cfg.c (dump_bb_info): New, split from dump_flow_info.
12438 (dump_flow_info): Call it.
12439 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
12441 * basic-block.h (dump_bb_info): Declare.
12442 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
12443 option, and apply options only for dump files whose TDF_RTL,
12444 TDF_TREE, or TDF_IPA bits match.
12445 * rtl.h: Declare new functions exported from sched-vis.c.
12446 * sched-vis.c: Enable also if scheduling is not used.
12447 (print_value): Print the mode of registers if not inside scheduling.
12448 (print_insn): Make it work outside the scheduler. Beautify the output
12450 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
12452 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12454 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
12455 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
12456 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
12457 depending on the value of CONSTANT_POOL_ADDRESS_P.
12458 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
12460 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
12461 rather than SYMBOL_REF_DECL.
12462 (rtx_constant_pool): Remove const_rtx_sym_htab.
12463 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
12464 (init_varasm_status): Don't initialize const_rtx_sym_htab.
12465 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
12466 Remove handling of const_rtx_sym_htab.
12467 (find_pool_constant): Delete.
12468 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
12469 rather than find_pool_constant.
12470 (get_pool_constant_for_function): Delete.
12471 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
12472 find_pool_constant.
12473 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
12474 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
12475 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
12476 (SYMBOL_REF_CONSTANT): New macro.
12477 (get_pool_constant_for_function): Delete.
12478 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
12479 rather than SYMBOL_REF_DECL.
12480 (i386_pe_mark_dllimport): Likewise.
12481 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
12482 rather than SYMBOL_REF_DECL.
12483 * config/darwin.c (machopic_indirect_data_reference): Likewise.
12484 (machopic_indirect_call_target): Likewise.
12486 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
12488 * flow.c (delete_noop_moves): Add missing EOL to dump message.
12490 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12492 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
12494 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
12496 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
12498 2006-01-24 David Daney <ddaney@avtrex.com>
12501 * configure.ac (enable_tls): New enable option.
12502 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
12503 * configure: Regenerate.
12504 * doc/install.texi (--enable-tls): Document new option.
12505 (--disable-tls): Ditto.
12507 2006-01-24 Richard Henderson <rth@redehat.com>
12509 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
12510 * alias.c (true_dependence): Respect it.
12511 (canon_true_dependence, write_dependence_p): Likewise.
12512 * builtins.c (get_builtin_sync_mem): Set it.
12514 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
12516 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
12519 2006-01-24 DJ Delorie <dj@redhat.com>
12521 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
12522 for storing constants in single-bit bitfields.
12524 2006-01-25 Ben Elliston <bje@au.ibm.com>
12526 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
12528 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
12531 * tree-ssa-pre.c (phi_translate): Return NULL
12532 for AGGREGATE_TYPE's.
12534 2006-01-24 Zack Weinberg <zackw@panix.com>
12536 * genautomata.c (process_state_for_insn_equiv_partition):
12537 Use xcalloc for insn_arcs_array.
12538 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
12539 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
12541 2006-01-24 Richard Henderson <rth@redhat.com>
12543 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
12544 update all callers.
12546 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
12548 PR rtl-optimization/25890
12549 PR rtl-optimization/25905
12550 * combine.c (expand_compound_operation, expand_field_assignment):
12551 Fail if the bitfield's final position is out of bounds.
12553 2006-01-24 Ian Lance Taylor <ian@airs.com>
12555 PR middle-end/25930
12556 * cgraphunit.c (cgraph_output_in_order): Don't clear
12557 cgraph_asm_nodes until after asm strings have been output.
12559 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
12561 * fix-header.c (read_scan_file): Add new parameter imultilib when
12562 calling register_include_chains.
12564 2006-01-23 Diego Novillo <dnovillo@redhat.com>
12566 * omp-low.c: Update documentation.
12568 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12569 Daniel Berlin <dberlin@dberlin.org>
12573 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
12574 return from the function.
12576 2006-01-22 Zack Weinberg <zackw@panix.com>
12578 * rtl.def (match_code): Add second argument.
12579 * genpreds.c (write_extract_subexp): New function.
12580 (write_match_code): Add path argument. Use write_extract_subexp.
12581 (write_predicate_expr): Pass path to write_match_code.
12582 (mark_mode_tests): MATCH_CODE applied to a subexpression does
12583 not perform a mode test.
12584 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
12585 a subexpression does not constrain the top-level code set.
12586 * read-rtl.c (read_rtx_variadic): New function.
12587 (read_rtx_1): Use it; allow AND and IOR to be variadic.
12588 * doc/md.texi: Document new notation.
12589 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
12590 (cmpsi_operand): ... here, using new notation.
12592 2006-01-22 Zack Weinberg <zackw@panix.com>
12594 * varray.c: Remove GENERATOR_FILE #ifdefs.
12596 2006-01-22 Zack Weinberg <zackw@panix.com>
12598 * genautomata.c (output_reserved_units_table): Emit nothing if
12599 description->query_units_num is zero. Remove extra blank line.
12600 (output_cpu_unit_reservation_p): Short circuit
12601 if description->query_units_num is zero.
12603 2006-01-22 Zack Weinberg <zackw@panix.com>
12605 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
12606 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
12607 nor any of the random handful of variables that used to be necessary
12608 when this program was linked with rtlanal.o. Prune set of forward
12609 function declarations.
12610 (struct attr_desc): Remove static_p field.
12611 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
12612 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
12613 (attr_string): Do not read the character one past the length of
12615 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
12616 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
12617 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
12618 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
12619 (make_automaton_attrs): New.
12620 (main): Do not call into genautomata. Call local gen_bypass
12621 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
12622 Remove special case for insn_alts.
12623 * genautomata.c: Include gensupport.h; not genattrtab.h nor
12624 varray.h (leftover from previous change). Prune set of forward
12625 function declarations. Remove state_alts fields from all
12626 structures. Remove state_alts_table from struct automaton.
12627 Make everything except main static. Do not maintain num_dfa_decls.
12628 Do not maintain state_alts fields of various structures.
12629 (process_decls): Don't validate condexp for dm_insn_reserv decls.
12630 (add_arc): Remove state_alts argument. All callers updated.
12631 (output_reserved_units_table): Emit #ifdef here...
12632 (output_tables): ...not here. Don't generate state_alts tables.
12633 (expand_automata): Don't generate attributes.
12634 (write_automata): Don't generate state_alts functions.
12635 (main): New function.
12636 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
12637 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
12638 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
12639 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
12640 (BYPASS_P_FUNC_NAME, output_state_alts_table)
12641 (output_automata_list_state_alts_code, output_internal_state_alts_func)
12642 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
12643 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
12645 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
12646 * genattrtab.h: Delete file.
12647 * Makefile.in (OBJS-common): Add insn-automata.o.
12648 (insn-automata.o): New rule.
12649 (simple_generated_c): Add insn-automata.c.
12650 (build/genattrtab.o, build/genautomata.o): Update dependencies.
12651 (genprogmd): Add automata.
12652 (build/genattrtab): Needs no extra objects nor libraries.
12653 (build/genautomata): Needs build/vec.o and -lm.
12655 2006-01-22 Zack Weinberg <zackw@panix.com>
12657 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
12658 (output_dfa_max_issue_rate, locked_states_num): Delete.
12659 (struct automaton): Add locked_states field.
12660 (output_dead_lock_vect): Save number of locked states in
12661 automaton->locked_states. If it is zero, don't print anything.
12662 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
12663 (output_internal_dead_lock_func): Only test the dead_lock_vect
12664 for automata that have locked states.
12665 (output_statistics): Always print the number of locked states for
12666 each automaton. Calculate total number of locked states here.
12667 (write_automata): Don't call output_dfa_max_issue_rate.
12668 * genattrtab.c: Define length_unit_log as a const variable.
12669 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
12670 max_insn_queue_index const.
12671 * final.c (length_unit_log): Declare const.
12672 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
12674 2006-01-22 Zack Weinberg <zackw@panix.com>
12676 * genautomata.c: Include vec.h, not varray.h.
12677 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
12678 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
12679 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
12680 VEC_* macros operating on appropriately typed vectors, or to
12681 malloced arrays when the size is known in advance. Const-ify
12682 many char* variables and function arguments. No functional changes.
12683 * Makefile.in (build/varray.o): Delete rule.
12684 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
12685 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
12687 2006-01-22 Zack Weinberg <zackw@panix.com>
12689 * gensupport.c: Define get_insn_name and record_insn_name here.
12690 (read_md_rtx): Call record_insn_name as appropriate.
12691 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
12692 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
12693 * genpreds.c, genrecog.c: Don't define get_insn_name nor
12695 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
12696 (BUILD_VARRAY): Delete.
12697 (genprognormal): Rename genprogmd. Fold in all programs from
12698 genprognoprint; also attrtab.
12699 (build/genattrtab): Just mention genautomata.o and varray.o.
12700 Reorganize a bit, add comments to make the categories clearer.
12702 2006-01-22 Zack Weinberg <zackw@panix.com>
12704 * genconditions.c (condition_table, add_condition): Delete.
12705 (write_conditions): Don't emit n_insn_conditions nor
12706 insn_elision_unavailable. Issue the gcc version #ifdef here,
12707 inside the table, with no #else clause ...
12708 (write_header): ...not here.
12709 (write_writer): New function.
12710 (main): Don't initialize condition_table. Use add_c_test.
12712 * gensupport.c (init_md_reader_args_cb): Handle multiple input
12713 files on the command line.
12714 (maybe_eval_c_test): Don't check insn_elision_unavailable.
12715 Return -1 if there is no entry in the table, don't abort.
12716 (add_c_test, traverse_c_tests): New functions.
12717 * gensupport.h (insn_elision_unavailable, insn_conditions)
12718 (n_insn_conditions): Delete declarations.
12719 (add_c_test, traverse_c_tests): Declare.
12720 * read-rtl.c: Include gensupport.h.
12721 (read_conditions): New function.
12722 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
12723 (read_rtx_1): If we get EOF when we were looking for an initial
12724 open paren, return 0. Call read_conditions when appropriate.
12725 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
12726 dummy-conditions.o. Eliminate references to insn-conditions.o,
12727 or change them to build/gencondmd.o, as appropriate. Remove
12728 insn-constants.h from $(simple_generated_h) and insn-conditions.c
12729 from $(simple_generated_c). For all files remaining in those
12730 two lists, add insn-conditions.md to the generator command line.
12731 Give insn-constants.h/s-constants their own rules. Add rules
12732 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
12733 (build/read-rtl.o): Depend on gensupport.h.
12734 (genprognormal): Include preds.
12735 (genprogearly): Rename genprognoprint; only difference is now that
12736 they don't link with $(BUILD_PRINT).
12737 * dummy-conditions.c: Delete.
12739 2006-01-22 Zack Weinberg <zackw@panix.com>
12741 * genextract.c: Don't include insn-config.h. Do include vec.h.
12742 Declare vectors of int, char, and locstr.
12743 (locstr): New typedef.
12744 (struct extraction): Make all array fields into bare pointers.
12745 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
12746 (insn_code_number): Delete.
12747 (accum_extract): New struct.
12748 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
12749 (gen_insn): Take insn_code_number as an argument. Use an
12750 accum_extract structure instead of loading data directly into
12751 a struct extraction, and having to know how big it might get.
12752 (walk_rtx): Operate entirely on an accum_extract structure.
12753 (print_path): Avoid unnecessary use of printf.
12754 (print_header): New function, split out of main. Distinguish
12755 more carefully between an unrecognizable insn and an insn that
12756 has the code number of a define_expand.
12757 (main): Pass insn_code_number to gen_insn. Call print_header
12758 only after parsing. Avoid unnecessary use of printf.
12759 * Makefile.in (build/vec.o): New rule.
12760 (build/genextract): Depend on build/vec.o.
12761 (build/genextract.o): Don't depend on insn-config.h.
12763 2006-01-22 Zack Weinberg <zackw@panix.com>
12765 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
12766 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
12767 practical. Eliminate per-generator-program link rules.
12769 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12771 PR middle-end/24437
12772 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12773 with a call expr to ...
12774 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12776 2006-01-23 Richard Guenther <rguenther@suse.de>
12778 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
12779 before make_edge with conditional EDGE_TRUE_VALUE.
12781 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
12782 Jan Hubicka <jh@suse.cz>
12783 Richard Guenther <rguenther@suse.de>
12785 PR rtl-optimization/25654
12786 * cfgexpand.c (aggregate_contains_union_type): New function.
12787 (add_alias_set_conflicts): Call it. Make sure to add conflicts
12788 for structure variables that contain a union type.
12790 2006-01-23 Richard Sandiford <richard@codesourcery.com>
12792 * gengtype.c (new_structure): Return the structure.
12793 (create_option): Add an extra "next" argument.
12794 (create_field): New function.
12795 (adjust_field_rtx_def): Use create_option and create_field.
12796 Remove a now-unnecessary call to find_structure.
12797 (adjust_field_tree_def): Likewise.
12798 (note_yacc_type): Remove an unnecessary call to find_structure.
12799 * gengtype.h (new_structure): Return the structure.
12800 (create_option): Add an extra argument.
12801 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
12802 (option): Adjust calls to create_option.
12804 2006-01-22 David Edelsohn <edelsohn@gnu.org>
12806 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
12808 2006-01-22 Paul Brook <paul@codesourcery.com>
12809 Peter Barada <peter@the-baradas.com>
12811 * config/m68k/m68k.md: Add Coldfire FPU support.
12812 Define FP mode macro and associated attributes.
12813 Use it for float mode patterns.
12814 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
12815 (LIBCALL_VALUE): Use m68k_libcall_value.
12816 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
12817 (m68k_function_value): Ditto.
12818 (emit_move_sequence): Ditto.
12819 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
12820 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
12821 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
12822 (MULTILIB_EXCEPTIONS): Ditto.
12823 * config/m68k/m68k.opt: Add mcfv4e.
12824 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
12825 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
12826 (m68k_output_function_prologue): Save ColdFire FPU registers.
12827 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
12828 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
12829 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
12830 ColdFire FPU registers.
12831 (m68k_libcall_value, m68k_function_value): New functions.
12832 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
12833 (LIBCALL_VALUE): Use m68k_libcall_value.
12834 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
12835 (MASK_COLDFIRE): Add MASK_CFV4E.
12836 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
12837 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
12838 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
12839 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
12840 (GO_IF_LEGITIMATE_ADDRESS): Use it.
12841 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
12842 * doc/invoke.tex: Document -mcfv4e on m68k.
12844 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
12846 * doc/contribute.texi: Change CVS to SVN and update the corresponding
12849 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
12852 * c-opts.c (c_common_handle_option): Don't include
12853 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
12854 * doc/invoke.texi (C++ Dialect Options): Document that
12855 -Wnon-virtual-dtor is no longer included in -Wall.
12857 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
12859 * gcov.c (print_version), gcov-dump.c (print_version),
12860 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
12863 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
12865 * df-scan.c (problem_SCAN): Added NULL reset function.
12866 (df_scan_reset_blocks): Added code to call reset block function
12867 (df_bb_refs_delete) Fixed comment.
12868 (df_insn_refs_delete): Made tolerant of deleting non existent info
12869 for dataflow problems that need to be reset.
12870 * df-core.c (df_set_blocks): Ditto.
12871 * df.h (struct df_problem): Added reset_fun.
12872 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
12873 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
12874 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
12875 functions to clear out all references to def-use or use-def chains.
12877 2006-01-21 Ben Elliston <bje@au.ibm.com>
12879 * varasm.c (assemble_real): Initialise data array.
12881 2006-01-20 Paul Brook <paul@codesourcery.com>
12883 Merge from csl-arm-branch.
12884 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
12885 * config/arm/arm.md (movdi): Force operands[1] to a register
12886 if we have a non-register source.
12887 (*arm_movdi, *movdf_soft_insn): Require that one of the
12888 operands be a register.
12889 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
12890 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
12892 2006-01-20 DJ Delorie <dj@redhat.com>
12894 * varasm.c (initializer_constant_valid_p): Allow pointers
12895 initialized from integer constants of lesser precision.
12896 (output_constant): Allow non-int-sized pointer modes to be
12897 initialized from integer constants.
12899 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
12902 * cppdefault.h (struct default_include): Add multilib flag.
12903 * cppdefault.c (cpp_include_defaults): Set it.
12904 * c.opt (-imultilib): New option.
12905 * c-opts.c (imultilib): New.
12906 (c_common_handle_option): Handle -imultilib.
12907 (c_common_post_options): Likewise.
12908 * c-incpath.c (add_standard_paths, register_include_chains):
12910 * c-incpath.h (register_include_chains): Add extra parameter.
12911 * gcc.c (do_spec_1): Generate -imultilib option.
12912 (The Specs Language): Update %I description.
12913 (process_command): Update copyright notice.
12914 * doc/cppopts.texi (-imultilib): Document.
12915 * doc/invoke.texi (-imultilib): Include in option summary.
12916 (%I): Update specs documentation.
12918 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12920 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
12922 2006-01-20 Richard Sandiford <richard@codesourcery.com>
12924 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
12927 2006-01-20 Richard Guenther <rguenther@suse.de>
12928 Steven Bosscher <stevenb.gcc@gmail.com>
12930 PR rtl-optimization/24626
12931 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
12932 EDGE_TRUE_VALUE if in RTL mode.
12935 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
12936 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
12938 2006-01-20 Dirk Mueller <dmueller@suse.com>
12941 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
12942 instead of a special NOP marker.
12943 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
12944 NOP marker handling.
12945 * c-common.h (empty_body_warning): Add forward declaration.
12946 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
12947 Now uses IS_EMPTY_STMT() instead of special NOP markers.
12949 2006-01-20 Paul Brook <paul@codesourcery.com>
12951 * Makefile.in (lang_checks): Keep going if mkdir fails.
12953 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12955 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
12956 be able to clean out basic block when not necessary.
12957 (df_scan_free): Fixed to properly delete information if df is
12958 unused before calling df_finish.
12959 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
12960 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
12962 (df_bb_refs_delete): New function.
12963 (df_refs_delete): Moved per block code to df_bb_refs_delete.
12964 * df-core.c (df_set_blocks): Added code to properly clean out
12965 unused blocks if they are not part of the blocks to consider.
12966 Added additional null check.
12967 (df_compact_blocks): Added basic block parameter to free_bb_fun to
12968 be able to clean out basic block when not necessary
12969 * df.h (df_free_bb_function): Ditto.
12970 (df_bb_refs_delete): New function.
12971 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
12972 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
12973 basic block parameter to be able to clean out basic block when not
12975 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
12976 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
12977 Fixed to properly delete information if df is unused before
12980 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12982 PR rtl-optimization/25799
12983 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
12984 Corrected confluence operator to remove bits from op2 before oring
12985 with op1 rather than removing bits from op1.
12986 (df_ru_transfer_function): Corrected test on wrong bitmap which
12987 caused infinite loop. Both of these problems were introduced in
12988 the dataflow rewrite.
12990 2006-01-19 DJ Delorie <dj@redhat.com>
12992 * reload1.c (find_reload_regs): Note the details of reload
12993 failures in the dump file.
12994 (spill_failure): Likewise.
12996 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12998 * loop-iv.c: Include df.h and hashtab.h.
12999 (enum iv_grd_result): New enum.
13000 (DF_REF_IV, DF_REF_IV_SET): New macros.
13001 (struct biv_entry): New.
13002 (df, bivs): New global variables.
13003 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
13004 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
13006 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
13007 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
13008 analyzed_for_bivness_p, record_biv): New functions.
13009 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
13010 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
13011 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
13013 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
13015 (iv_number_of_iterations): Use new interface to iv analysis.
13016 * loop-unroll.c: Do not include varray.h.
13017 (analyze_iv_to_split_insn): Use new interface to iv
13019 * loop-unswitch.c (may_unswitch_on): Ditto.
13020 * df.c (df_bitmaps_free): Only work for bbs for that structures are
13022 (df_bb_modify): Realloc tables to the new index.
13023 (df_find_use): New function.
13024 * df.h (df_find_use): Declare.
13025 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
13027 * cfgloop.h (struct rtx_iv): Remove analysed field.
13028 (iv_get_reaching_def): Removed.
13029 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
13030 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
13031 (loop-iv.o): Add df.h and hashtab.h dependency.
13032 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
13034 2006-01-20 Alan Modra <amodra@bigpond.net.au>
13037 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
13039 (__floatundisf, __floatundidf): Likewise.
13040 * libgcc2.h (IS_IBM_EXTENDED): Define.
13042 2006-01-19 DJ Delorie <dj@redhat.com>
13044 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
13046 2006-01-19 Paul Brook <paul@codesourcery.com>
13048 * config/arm/arm.c (arm_compute_func_type): Treat all functions
13049 as nothrow when unwinding tables are disabled.
13051 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13054 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
13055 of bit-field" when in system header.
13057 2006-01-19 DJ Delorie <dj@redhat.com>
13059 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
13060 the 16 bit shift limit of the m16c.
13062 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
13065 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
13066 * config/i386/i386.c (output_set_got): Output the label if we have one
13067 for the TARGET_DEEP_BRANCH_PREDICTION case.
13069 2006-01-19 Jan Hubicka <jh@suse.cz>
13070 H.J. Lu <hongjiu.lu@intel.com>
13071 Evandro Menezes <evandro.menezes@amd.com>
13073 * invoke.texi (generic): Document
13075 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
13076 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
13077 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
13078 (x86_use_incdec, x86_pad_returns): New variables
13079 (TARGET_CPU_DEFAULT_generic): New constant
13080 (TARGET_CPU_DEFAULT_NAMES): Add generic.
13081 (enum processor_type): Add generic32 and generic64.
13082 * i386.md (cpu attribute): Add generic32/generic64
13083 (movhi splitter): Behave sanely when both partial_reg_dependency and
13084 partial_reg_stall are set.
13085 (K8 splitters): Enable for generic as well.
13086 * predicates.md (incdec_operand): Use TARGET_INCDEC
13087 (aligned_operand): Avoid memory mismatch stalls.
13088 * athlon.md: Enable for generic64, new patterns for 128bit moves.
13089 * ppro.md: Enable for generic32
13090 * i386.c (generic64_cost, generic32_cost): New.
13091 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
13092 (x86_use_leave): Enable for generic64. (x86_use_sahf,
13093 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
13094 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
13095 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
13096 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
13097 x86_partial_reg_dependency, x86_memory_mismatch_stall,
13098 x86_accumulate_outgoing_args, x86_prologue_using_move,
13099 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
13100 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
13101 Enable for generic.
13102 (x86_use_incdec, x86_pad_returns): New.
13103 (override_options): Add generic32 and generic64, translate "generic"
13104 to generic32/generic64 and "i686" to "generic32", refuse
13105 "generic32"/"generic64" as arch target.
13106 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
13107 (ix86_reorg): Honor PAD_RETURNS.
13109 2006-01-19 Diego Novillo <dnovillo@redhat.com>
13111 * tree-pretty-print.c (dump_generic_node): Handle
13112 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
13113 * cgraph.c (cgraph_expand_queue): Rename from
13114 cgraph_analyze_queue. Update all users.
13115 * cgraphunit.c (cgraph_assemble_pending_functions): Process
13116 cgraph_expand_queue.
13117 (cgraph_expand_all_functions): Likewise.
13118 (cgraph_finalize_pending_functions): Remove. Update callers.
13120 * tree.h (OMP_DIRECTIVE_P): Define.
13121 (OMP_PARALLEL_FN): Define.
13122 (OMP_PARALLEL_DATA_ARG): Define.
13123 (OMP_SECTIONS_SECTIONS): Define.
13124 * tree-pass.h (pass_expand_omp): Declare.
13125 * omp-low.c (struct omp_region): Declare.
13126 (struct omp_context): Remove fields 'parallel_type',
13127 'parallel_start_ix' and 'parallel_start_additional_args'.
13129 (struct omp_for_data): Rename from struct expand_omp_for_data.
13130 (omp_regions): New static variable.
13131 (root_omp_region): New static variable.
13132 (find_omp_clause): Make static.
13133 (is_in_combined_parallel_ctx): Remove.
13134 (is_combined_parallel): New.
13135 (extract_omp_for_data): Move earlier in the file.
13136 (workshare_safe_to_combine_p): New.
13137 (get_ws_args_for): New.
13138 (determine_parallel_type): Move earlier in the file.
13139 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
13141 (omp_copy_decl): Likewise.
13142 (create_omp_child_function): Likewise.
13143 (lookup_omp_region): New.
13144 (dump_omp_region): New.
13145 (debug_omp_region): New.
13146 (debug_all_omp_regions): New.
13147 (new_omp_region): New.
13148 (scan_omp_parallel): If parallel_nesting_level > 1, the
13149 directive is nested within another parallel directive.
13150 Set OMP_PARALLEL_FN.
13151 (scan_omp_for): Do not try to handle combined parallel+for
13153 Remove FIXME comment.
13154 (scan_omp_nested): Remove.
13155 (scan_omp_1): Do not call scan_omp_nested when
13156 parallel_nesting_level is > 1.
13157 Do not change the DECL_CONTEXT of local variables found.
13158 (lookup_decl_in_outer_ctx): New.
13159 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
13160 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
13161 (lower_reduction_clauses): Rename from expand_reduction_clauses.
13162 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
13163 If CTX is nested, lookup VAR in the outer context when
13164 building copy assignment.
13165 (lower_send_clauses): Rename from expand_send_clauses.
13166 If CTX is nested, lookup VAR in the outer context when
13167 building copy assignments.
13168 (lower_send_shared_vars): Rename from expand_send_shared_vars.
13169 If CTX is nested, lookup VAR in the outer context when
13170 building copy assignments.
13171 (expand_parallel_call): Rename from build_parallel_call.
13172 Handle combined parallel+workshare cases.
13173 Re-implement to emit code into the CFG.
13175 (expand_omp_parallel): Re-implement to emit code into the CFG.
13176 Call move_sese_region_to_fn to outline the sub-graph
13177 containing the parallel region.
13178 (expand_omp_for_1): Remove.
13179 (expand_omp_for_generic): Re-implement to emit code into the
13181 (expand_omp_for_static_nochunk): Likewise.
13182 (expand_omp_for_static_chunk): Likewise.
13183 (expand_omp_for): Likewise.
13184 (expand_omp_sections): Likewise.
13185 (remove_exit_barriers): New.
13186 (expand_omp_synch): New.
13188 (build_omp_regions_1): New.
13189 (build_omp_regions): New.
13190 (execute_expand_omp): New.
13191 (gate_expand_omp): New.
13192 (pass_expand_omp): Define.
13193 (lower_omp_sections): Rename from expand_omp_sections.
13194 Set OMP_SECTIONS_SECTIONS.
13195 (lower_omp_single_simple): Rename from expand_omp_single_simple.
13196 (lower_omp_single_copy): Rename from expand_omp_single_copy.
13197 (lower_omp_single): Rename from expand_omp_simple.
13198 (lower_omp_master): Rename from expand_omp_master.
13199 (lower_omp_ordered): Rename from expand_omp_ordered.
13200 (lower_omp_critical): Rename from expand_omp_critical.
13201 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
13202 (lower_omp_for): Re-implement.
13203 (lower_omp_parallel): Re-implement.
13204 (lower_regimplify): Rename from expand_regimplify.
13205 (lower_omp_1): Rename from expand_omp_1.
13206 If there are syntax errors in the program, replace every
13207 OpenMP directive with NOP.
13208 Call lower_omp_* instead of expand_omp_*.
13209 (lower_omp): Rename from expand_omp.
13211 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
13212 * tree-gimple.h (enum omp_parallel_type): Remove.
13213 (gimple_boolify): Declare extern.
13214 (find_omp_clause, determine_parallel_type): Remove.
13216 * gimple-low.c (lower_omp_directive): New.
13217 (lower_stmt): Call it.
13218 (record_vars_into): Move from ...
13219 (record_vars): ... here.
13220 Call record_vars_into with current_function_decl.
13222 * gimplify.c (struct gimplify_ctx): Remove fields
13223 combined_pre_p and combined_ctxp. Update users.
13224 (get_formal_tmp_var): Add documentation.
13225 (gimple_boolify): Make extern.
13226 (gimplify_expr_in_ctx): Remove. Update callers.
13227 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
13228 will always be a BIND_EXPR.
13229 (gimplify_expr): Handle OMP_RETURN_EXPR.
13230 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
13231 (OMP_PARALLEL): Add 3 operands.
13232 (OMP_SECTIONS): Add 1 operand.
13233 (OMP_RETURN_EXPR): Define.
13235 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
13236 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
13237 * tree-iterator.c (alloc_stmt_list): Assert that we are not
13238 creating a circular free list.
13239 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
13241 * tree-flow.h (move_sese_region_to_fn): Declare.
13242 (record_vars_into): Declare.
13243 * tree-cfg.c (make_omp_sections_edges): New.
13244 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
13245 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
13246 OMP_SECTIONS and OMP_SECTION.
13247 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
13248 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
13249 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
13250 (gather_blocks_in_sese_region): New.
13251 (struct move_stmt_d): Declare.
13252 (move_stmt_r): New.
13253 (move_block_to_fn): New.
13254 (move_sese_region_to_fn): New.
13256 * passes.c (init_optimization_passes): Schedule
13257 pass_expand_omp after pass_init_datastructures.
13259 * tree-ssa-operands.c (get_expr_operands): Handle
13260 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
13261 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
13263 2006-01-19 Jeff Law <law@redhat.com>
13265 * tree-vrp.c (extract_range_from_assert): Refine the result range
13266 if the variable referenced by the ASSERT_EXPR has a range and
13267 either the tentative result range or the previous range is a
13270 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13272 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
13274 2006-01-19 Jan Hubicka <jh@suse.cz>
13276 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
13278 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
13280 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
13281 (expand_compound_operation, expand_field_assignment): Fail if the
13282 bit lengths of an extract operation are out of range.
13283 (make_extraction): Compute wanted_inner_mode based on the position
13284 and length of the extraction. Make it extraction_mode for non-constant
13285 positions, and do not modify offset in that case. When generating a
13286 new MEM, use a mode that can hold the extraction while keeping correct
13287 alignment. Remove code that supported MEMs wrapped by USEs.
13288 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
13290 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
13292 * config/s390/s390.md ("Y", "y"): New mode attribute.
13293 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
13294 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
13295 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
13296 "*addsi3_imm_cc", "*addsi3_carry1_cc",
13297 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
13298 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
13299 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
13300 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
13301 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
13302 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
13303 "addsi3", "subsi3"): Insn patterns removed.
13304 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
13305 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
13306 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
13307 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
13308 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
13309 "*sub<mode>3_cconly2"): New insn patterns.
13310 ("addsi3", "subsi3"): New expanders.
13312 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
13314 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
13315 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
13316 existing STMT_VINFO_VECTYPE if available.
13317 (vect_mark_relevant): Add special handling for stmts that are
13318 marked as STMT_VINFO_IN_PATTERN_P.
13319 (vect_analyze_loop): Call vect_pattern_recog.
13320 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
13321 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
13323 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
13324 (vect_recog_func_ptr): New function-pointer type.
13325 * tree-vect-patterns.c: New file.
13326 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
13327 (vect_recog_dot_prod_pattern, vect_pattern_recog):
13328 (vect_pattern_recog_1): New functions.
13329 (vect_pattern_recog_funcs): New array of function pointers.
13331 * tree-vectorizer.h (ternary_op): New enum value.
13332 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
13333 declaration. Revised documentation. Removed redundant dump prints.
13334 Removed redundant argument. Added support for reduction patterns.
13335 (vectorizable_reduction): Added support for reduction patterns.
13336 (vect_transform_stmt): Added support for patterns.
13338 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
13339 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
13340 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
13341 (expand_widen_pattern_expr): New function.
13342 (init_optabs): Initialize new optabs udot_prod_optab,
13344 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
13345 (sdot_prod_optab, udot_prod_optab): Define new optabs.
13346 (expand_widen_pattern_expr): New function declaration.
13347 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
13349 * tree-inline.c (estimate_num_insns_1): Added cases for new
13350 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13351 * tree-pretty-print.c (dump_generic_node): Likewise.
13352 (op_prio): Likewise.
13353 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13354 * tree-ssa-operands.c (get_expr_operands): Added case for
13356 * tree-vect-patterns.c (widened_name_p): New function.
13357 (vect_recog_dot_prod_pattern): Added function implementation.
13358 * tree-vect-transform.c (get_initial_def_for_reduction): Added
13359 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
13360 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
13361 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
13363 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
13364 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
13365 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
13366 (init_optabs): Initialize new optabs widen_ssum_optab,
13368 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
13369 (widen_ssum_optab, widen_usum_optab): Define new optabs.
13370 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
13371 use instead of type of def.
13372 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
13373 function implementation.
13374 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
13375 widen_ssumv8hi): New.
13377 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
13380 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13383 * c-decl.c (add_flexible_array_elts_to_size): New function.
13384 (finish_decl): Use it.
13386 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
13388 * diagnostic.h: Include options.h.
13389 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
13390 dependancies for diagnostic.h.
13391 * Makefile.in (DIAGNOSTIC_H): Add options.h.
13393 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
13395 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
13396 (ssa_ro_call_cache_valid): Ditto.
13397 * tree-ssa-alias.c (sort_tags_by_id): New function.
13398 (init_transitive_clobber_worklist): Ditto.
13399 (add_to_worklist): Ditto.
13400 (mark_aliases_call_clobbered): Ditto.
13401 (compute_tag_properties): Ditto.
13402 (set_initial_properties): Ditto.
13403 (compute_call_clobbered): Ditto.
13404 (compute_may_aliases): Call compute_call_clobbered and grouping.
13405 (compute_flow_sensitive_aliasing): Remove clobbering related code.
13406 (compute_flow_insensitive_aliasing): Grouping now happens in our
13408 (setup_pointers_and_addressables): Remove clobbering related code.
13409 (add_may_alias): Ditto.
13410 (replace_may_alias): Ditto.
13411 (get_nmt_for): Ditto.
13412 (create_global_var):
13413 (is_escape_site): Return an escape_type enumeration.
13414 * tree-flow-inline.h (is_call_clobbered): Global var does not
13415 imply call clobbered.
13416 (mark_call_clobbered): Take a reason for marking this. Remove
13417 marking of globalness, and cache invalidation.
13418 (clear_call_clobbered): Remove cache invalidation code.
13419 * tree-dfa.c (dump_variable): If details is on, dump the reason
13421 * tree-outof-ssa.c (create_temp): Copy escape mask from original
13423 * tree-flow.h (struct ptr_info_def): Add escape mask member.
13424 (struct var_ann_d): Ditto.
13425 (enum escape_type): New.
13426 (mark_call_clobbered): Adjust prototype.
13427 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
13428 are never call clobbered.
13429 Record reasons for escaping.
13430 * tree-ssa-structalias.h (is_escape_site): Update prototype.
13431 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
13432 (ssa_ro_call_cache_valid): Ditto.
13433 (clobbered_v_may_defs): Ditto.
13434 (clobbered_vuses): Ditto.
13435 (ro_call_vuses): Ditto.
13436 (clobber_stats): New.
13437 (init_ssa_operands): Zero out clobber stats.
13438 (fini_ssa_operands): Print out clobber stats.
13439 (get_call_expr_operands): Pass callee fndecl to
13440 add_call_read_ops).
13441 (add_call_clobber_ops): Remove use of cache.
13442 Add use of PURE_CONST information.
13443 (add_call_read_ops): Remove use of cache.
13444 Add use of static not_read information.
13446 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
13448 Introduce TLS descriptors for i386 and x86_64.
13449 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
13450 (TARGET_ANY_GNU_TLS): New macro.
13451 (enum tls_dialect): Added TLS_DIALECT_GNU2.
13452 (struct machine_function): Add tls_descriptor_call_expanded_p.
13453 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
13454 (ix86_current_function_calls_tls_descriptor): Likewise.
13455 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
13456 (override_options): Introduce gnu2 tls dialect.
13457 (ix86_frame_pointer_required): Functions containing TLSCALLs are
13459 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
13461 (legitimize_tls_address): Adjust logic for GNU2 TLS.
13462 (ix86_init_machine_status): Initialize new field.
13463 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
13464 (ix86_tls_module_base): New.
13465 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
13466 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
13467 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
13468 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
13469 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
13470 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
13471 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
13472 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
13473 * config/i386/predicates.md (tls_modbase_operand): New.
13474 (tp_or_register_operand): New.
13476 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
13478 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
13479 (look_for_address_of): Ditto.
13480 (ipa_init): Walk the function decls.
13481 (static_execute): Don't set readonly on FUNCTION_DECL's.
13483 2006-01-18 Roger Sayle <roger@eyesopen.com>
13485 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
13486 for shifts where the source and destination registers are different.
13488 2006-01-18 Paul Brook <paul@codesourcery.com>
13490 Merge from csl-arm-branch.
13491 2005-03-14 Julian Brown <julian@codesourcery.com>
13492 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
13493 (aeabi_llsl): Likewise.
13494 (ashrdi3): Likewise.
13495 (aeabi_lasr): Likewise.
13496 (lshrdi3): Likewise.
13497 (aeabi_llsr): Likewise.
13498 2005-03-10 Julian Brown <julian@codesourcery.com>
13499 * config.gcc: Disable shared libgcc for SymbianOS.
13500 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
13502 2006-01-18 DJ Delorie <dj@redhat.com>
13504 * c-pragma.c (handle_pragma_diagnostic): New.
13505 (init_pragma): Register it.
13506 * doc/extend.texi: Document it.
13508 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
13509 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
13510 (diagnostic_context): Add classify_diagnostic[].
13511 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
13512 as errors if they're overridden to DK_WARNING.
13513 (diagnostic_initialize): Initialize classify_diagnostic[].
13514 (diagnostic_set_kind_override): New.
13515 (diagnostic_report_diagnostic): Check for kind changes.
13516 * opts.c (common_handle_option): Take lang_mask. Update callers.
13517 Handle OPT_Werror_.
13518 * common.opt (Werror=): New.
13519 * doc/invoke.texi: Document -Werror=*
13521 2006-01-18 Jeff Law <law@redhat.com>
13523 * tree-vrp.c (test_for_singularity): Correct test for new
13524 min limit. Use operand_equal_p rather than pointer equality
13525 for testing if new min/max values are equal.
13527 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
13528 using range information until after propagation and folding.
13530 2006-01-18 Richard Henderson <rth@redhat.com>
13531 Aldy Hernandez <aldyh@redhat.com>
13532 Jakub Jelinek <jakub@redhat.com>
13533 Diego Novillo <dnovillo@redhat.com>
13535 * omp-low.c: New file.
13536 * c-omp.c: New file.
13538 2006-01-18 Richard Henderson <rth@redhat.com>
13539 Jakub Jelinek <jakub@redhat.com>
13540 Diego Novillo <dnovillo@redhat.com>
13542 * doc/invoke.texi: Document -fopenmp.
13543 * tree-dump.h (debug_function): Declare.
13544 * hooks.c (hook_bool_tree_bool_false): New function.
13545 (hook_tree_tree_null): Remove.
13546 (hook_tree_tree_tree_null): New.
13547 * hooks.h: Update to match.
13548 * tree-pretty-print.c (debug_tree_chain): New.
13549 (print_generic_expr): Handle TDF_CHAIN.
13550 (dump_generic_node): Handle BLOCK.
13551 Do not abort with incomplete SWITCH_EXPRs.
13552 Do not dump body of an OpenMP directive if TDF_SLIM is given.
13553 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
13554 print space after directive name.
13555 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
13556 Handle OMP_MASTER and OMP_ORDERED.
13557 Handle printing of OMP_BODY just in one place, goto
13558 dump_omp_body in the rest of OMP_* nodes that have
13560 Don't handle clause nodes here. Update omp statements to
13561 use dump_omp_clauses.
13562 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
13563 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
13564 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
13565 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
13566 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
13567 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
13568 Adjust output for GOMP_PARALLEL.
13569 (dump_omp_clauses): New.
13570 (print_declaration): Dump DECL_VALUE_EXPR.
13571 (op_symbol_1): Split out of op_symbol.
13572 (dumping_stmts): Remove. Update all users.
13573 * cgraph.c (cgraph_analyze_queue): New.
13574 (cgraph_add_new_function): New.
13575 * cgraph.h (cgraph_analyze_queue): Declare.
13576 (cgraph_add_new_function): Declare.
13577 (cgraph_lower_function): Remove.
13578 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
13579 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
13580 and TYPE_P nodes in its default clause.
13581 (empty_body_p): New.
13582 (tree_range_check_failed): New.
13583 (build5_stat): New.
13584 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
13585 OMP_CLAUSE_REDUCTION_MERGE,
13586 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
13587 OMP_CLAUSE_PRIVATE_DEBUG,
13588 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
13589 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
13590 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
13591 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
13592 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
13593 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
13594 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
13595 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
13596 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
13597 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
13598 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
13599 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
13600 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
13601 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
13602 (TREE_RANGE_CHECK): New.
13603 (empty_body_p): Declare.
13604 (enum omp_clause_default_kind): New.
13605 (build_string_literal): Declare.
13606 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
13607 (build5_stat, build5): Declare.
13608 * tree-pass.h (TDF_CHAIN): Define.
13609 * tree-pass.h (PROP_gimple_lomp): Define.
13610 (pass_lower_omp): Declare.
13611 * diagnostic.h (debug_tree_chain): Declare.
13612 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
13614 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
13615 * builtins.c (build_string_literal): Make extern.
13616 * gcc.c (include_spec_function): New.
13617 (static_spec_functions): Add it.
13618 (main): Move load of libgomp.spec ...
13619 (LINK_COMMAND_SPEC): ... here.
13620 (link_gomp_spec): New.
13621 (static_specs): Include it.
13622 (LINK_COMMAND_SPEC): Add link_gomp.
13623 (GOMP_SELF_SPECS): New.
13624 (driver_self_specs): Include it.
13625 (switch_matches): Don't mark inline.
13626 (main): Load libgomp.spec.
13627 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
13628 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
13629 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
13630 * tree-gimple.h (enum omp_parallel): Declare.
13631 (determine_parallel_type): Declare.
13632 (omp_firstprivatize_variable): Declare.
13633 (omp_reduction_init): Declare.
13634 (diagnose_omp_structured_block_errors): Declare.
13635 (struct walk_stmt_info): Add want_return_expr.
13636 (struct walk_stmt_info): Add want_bind_expr, want_locations.
13637 (find_omp_clause): Declare.
13638 (insert_field_into_struct): Declare.
13639 (struct walk_stmt_info): Move from tree-nested.c
13640 (walk_stmts): Declare.
13641 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
13643 * cgraphunit.c (cgraph_lower_function): Make static.
13644 (cgraph_finalize_pending_functions): New.
13645 (cgraph_finalize_function): Call it.
13646 (cgraph_finalize_compilation_unit): Likewise.
13647 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
13648 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
13649 (BT_FN_UINT_UINT): New.
13650 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
13651 DEF_FUNCTION_TYPE_VAR_4): Document.
13652 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
13653 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
13654 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
13655 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
13656 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
13657 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
13658 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
13659 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
13660 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
13661 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
13662 into separate files.
13663 (DEF_GOMP_BUILTIN): New.
13664 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
13665 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
13666 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
13667 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
13668 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
13669 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
13670 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
13671 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
13672 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
13673 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
13674 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
13675 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
13676 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
13677 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
13678 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
13679 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
13680 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
13681 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
13682 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
13683 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
13684 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
13685 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
13686 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
13687 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
13688 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
13689 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
13690 * sync-builtins.def: New file, moved from builtins.def.
13691 * omp-builtins.def: New file, moved from builtins.def.
13692 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
13693 * gimple-low.c (lower_function_body): Clear data.
13694 (lower_stmt): Do not handle COMPOUND_EXPR.
13695 Remove call to print_node_brief.
13696 * c-tree.h (c_finish_omp_clauses): New prototype.
13697 (C_DECL_THREADPRIVATE_P): Define.
13698 (lookup_name_no_remap, c_omp_remap_private): Remove
13699 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
13700 (check_for_loop_decls): Update decl.
13701 (lookup_name_no_remap, c_omp_remap_private): Declare.
13702 (build_indirect_ref, build_modify_expr, pushdecl,
13703 pushdecl_top_level): Move to c-common.h.
13704 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
13705 before the switch, but just in the 2 places that need it.
13706 * c-decl.c (diagnose_mismatched_decls): Do not check for
13707 mismatched thread-local attributes when OLDDECL is marked
13708 threadprivate and NEWDECL has no thread-local attributes.
13709 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
13710 (c_gimple_diagnostics_recursively): Rename from
13711 c_warn_unused_result_recursively. Invoke
13712 diagnose_omp_structured_block_errors.
13713 (check_for_loop_decls): Return a singular decl found.
13714 * langhooks.c (lhd_omp_predetermined_sharing): Return
13715 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
13716 (lhd_omp_firstprivatize_type_sizes): New.
13717 (lhd_omp_assignment): New.
13718 (lhd_omp_predetermined_sharing): New.
13719 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
13720 (struct lang_hooks_for_types): Add
13721 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
13722 omp_predetermined_sharing, omp_disregard_value_expr,
13723 omp_private_debug_clause, omp_clause_default_ctor,
13724 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
13725 (c_finish_omp_clauses): New.
13726 (c_finish_bc_stmt): Diagnose break within omp for.
13727 (c_begin_omp_parallel, c_finish_omp_parallel): New.
13728 (build_unary_op): Return error_mark after reporting
13730 (build_modify_expr): Likewise.
13731 * gimplify.c: Include optabs.h and pointer-set.h.
13732 (enum gimplify_omp_var_data): Declare.
13733 (struct gimplify_omp_ctx): Declare.
13734 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
13736 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
13737 (push_gimplify_context, pop_gimplify_context): Allow nesting.
13738 (splay_tree_compare_decl_uid): New.
13739 (new_omp_context): New.
13740 (delete_omp_context): New.
13741 (gimple_add_tmp_var): Call omp_add_variable.
13742 (gimplify_bind_expr): Likewise.
13743 (gimplify_var_or_parm_decl): If omp_notice_variable returned
13744 true, disregard DECL_VALUE_EXPR on the decl if any.
13745 (gimplify_expr_in_ctx): New.
13746 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
13747 omp_add_variable, omp_notice_variable, omp_is_private
13748 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
13749 gimplify_adjust_omp_clauses, gimplify_omp_parallel
13750 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
13751 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
13752 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
13753 gimplify_omp_atomic): New.
13754 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13755 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13756 OMP_CRITICAL and OMP_ATOMIC.
13757 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
13758 * c-pragma.h (enum pragma_kind): Add
13759 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
13760 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
13761 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
13762 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
13763 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
13764 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
13765 PRAGMA_OMP_THREADPRIVATE.
13766 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13767 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13768 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
13769 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
13770 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
13771 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
13772 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
13773 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
13774 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
13775 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
13776 * tree-ssa-dce.c (find_control_dependence): Do not assume that
13777 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
13778 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
13780 (struct nesting_info): Add field_map,
13781 suppress_expansion, debug_var_chain.
13782 (create_nesting_tree): Initialize them.
13783 (lookup_field_for_decl): Use field_map.
13784 (get_nonlocal_debug_decl, get_local_debug_decl): New.
13785 (convert_local_omp_clauses): New.
13786 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
13787 (walk_body): Split out of walk_function.
13788 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
13789 (convert_nonlocal_reference): Handle omp statements.
13790 (convert_local_reference): Likewise.
13791 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
13792 (unnest_nesting_tree): New.
13793 (lower_nested_functions): Call it.
13794 (insert_field_into_struct): Make extern.
13795 (struct walk_stmt_info): Move to tree-gimple.h.
13796 (walk_stmts): Make extern.
13797 * omp-builtins.def: New file.
13798 * tree-iterator.c (expr_only): Clarify comment.
13799 * c-common.h (pushdecl_top_level, pushdecl,
13800 build_modify_expr, build_indirect_ref,
13801 c_finish_omp_master, c_finish_omp_critical,
13802 c_finish_omp_ordered, c_finish_omp_barrier,
13803 c_finish_omp_atomic, c_finish_omp_flush,
13804 c_finish_omp_for, c_split_parallel_clauses,
13805 omp_clause_default_kind, c_omp_sharing_predetermined,
13806 c_omp_remap_decl): Declare.
13807 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
13808 (OBJS-common): Add omp-low.o.
13809 (c-omp.o, omp-low.o): Add.
13810 (gimplify.o): Add dependency on $(OPTABS_H).
13811 (GTFILES): Add omp-low.c.
13812 (gt-stringpool.h): Add.
13813 * tree-cfg.c (set_bb_for_stmt): Do not update the
13814 block-to-labels map if we are currently expanding to RTL.
13815 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
13817 Handle IDENTIFIER_NODE.
13818 (tree_verify_flow_info): Do not ICE when emitting error
13819 messages about invalid labels.
13820 (dump_function_to_file): Reset CFUN before emitting the body
13822 (debug_function): New.
13823 * passes.c (init_optimization_passes): Schedule
13825 * langhooks-def.h (lhd_omp_predetermined_sharing,
13826 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
13828 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
13829 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
13830 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
13831 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
13832 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
13833 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
13834 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
13835 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
13836 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
13837 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
13838 (LANG_HOOK_DECLS): Use them.
13840 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
13841 Richard Henderson <rth@redhat.com>
13842 Jakub Jelinek <jakub@redhat.com>
13843 Diego Novillo <dnovillo@redhat.com>
13845 * c-parser.c (pragma_omp_clause): Define.
13846 (c_parser_declaration_or_fndef): Document OpenMP syntax.
13847 (c_parser_compound_statement): Likewise.
13848 (c_parser_statement): Likewise.
13849 (c_parser_pragma): Handle omp pragmas.
13850 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
13851 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
13852 (c_parser_omp_clause_name, check_no_duplicate_clause,
13853 c_parser_omp_variable_list,
13854 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
13855 c_parser_omp_clause_copyprivate,
13856 c_parser_omp_clause_default,
13857 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
13858 c_parser_omp_clause_lastprivate,
13859 c_parser_omp_clause_nowait,
13860 c_parser_omp_clause_num_threads,
13861 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
13862 c_parser_omp_clause_reduction,
13863 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
13864 c_parser_omp_all_clauses, c_parser_omp_structured_block,
13865 c_parser_omp_atomic, c_parser_omp_barrier,
13866 c_parser_omp_critical, c_parser_omp_flush,
13867 c_parser_omp_for_loop, c_parser_omp_for,
13868 c_parser_omp_master, c_parser_omp_ordered,
13869 c_parser_omp_sections_scope, c_parser_omp_sections,
13870 c_parser_omp_parallel, c_parser_omp_single,
13871 c_parser_omp_construct, c_parser_omp_threadprivate): New.
13872 * c-pragma.c (init_pragma): Do omp pragma registration here.
13873 * c.opt (fopenmp): New flag.
13875 2006-01-18 Eric Christopher <echristo@apple.com>
13877 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
13878 * config/darwin.h (GOMP_SELF_SPECS): Define.
13880 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13882 * rtl.h: Remove the prototype for reg_alloc.
13884 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13887 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
13888 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
13889 sjlj and dwarf2 exception handling.
13890 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
13891 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
13892 * pa/pa.c (function_value): Treat complex and vector types as
13894 (function_arg): Likewise. Only pass scalar floats in the floating
13895 point argument registers.
13896 * pa/t-slibgcc-dwarf-ver: New file.
13897 * pa/t-slibgcc-sjlj-ver: New file.
13898 * pa/t-slibgcc-elf-ver: Delete file.
13900 2006-01-19 Alan Modra <amodra@bigpond.net.au>
13902 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
13903 unlikely_test_section_p test.
13905 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13907 * mode-switching.c (optimize_mode_switching): Make it static.
13908 * basic-block.h: Remove the prototype for
13909 optimize_mode_switching.
13911 * modulo-sched.c (sms_schedule): Make it static.
13912 * rtl.h: Remove the prototype for sms_schedule.
13914 * postreload-gcse.c (gcse_after_reload_main): Make it static.
13915 * rtl.h: Remove the prototype for gcse_after_reload_main.
13917 * reg-stack.c (reg_to_stack): Make it static.
13918 * rtl.h: Remove the prototype for reg_to_stack.
13920 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
13922 * rtl.h: Remove the prototypes for regrename_optimize and
13923 copyprop_hardreg_forward.
13925 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
13927 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
13928 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
13929 Test against the appropriate null constant for the mode.
13930 If 'fixup_overlap' is true, swap the operands if they overlap.
13931 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
13932 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
13933 alpha_split_tmode_pair and adjust for above change.
13934 * config/alpha/alpha.md (movtf_internal): Adjust call to
13935 alpha_split_tfmode_pair and rely on it to swap the operands.
13936 (movti_internal): New insn and post-reload splitter.
13937 (movti): New expander.
13939 2006-01-18 Philippe De Muyter <phdm@macqel.be>
13941 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
13944 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13946 * rtlanal.c (global_reg_mentioned_p_1,
13947 global_reg_mentioned_p): Remove.
13948 * rtl.h: Remove the prototype for global_reg_mentioned_p.
13950 * flow.c (initialize_uninitialized_subregs): Make it static.
13951 * rtl.h: Remove the prototype for
13952 initialize_uninitialized_subregs.
13954 * function.c (instantiate_virtual_regs): Make it static.
13955 * function.h: Remove the prototype for
13956 instantiate_virtual_regs.
13958 * regmove.c (regmove_optimize, combine_stack_adjustments):
13960 * rtl.h: Remove the prototypes for regmove_optimize and
13961 combine_stack_adjustments.
13963 2006-01-17 Roger Sayle <roger@eyesopen.com>
13965 * config/i386/i386.c (COSTS_N_BYTES): New macro.
13966 (size_cost): Encode costs in bytes so that a reg-reg addition is
13967 equivalent to COSTS_N_INSNS(1).
13968 (override_options): Use the size_cost.branch_cost as the default
13969 ix86_branch_cost when optimizing for size.
13971 2006-01-18 Ben Elliston <bje@au.ibm.com>
13973 * Makefile.in (D32PBIT_FUNCS): New.
13974 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
13975 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
13976 D64PBIT_FUNCS and D128PBIT_FUNCS.
13977 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
13978 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
13980 (decnumber_dep): Define.
13981 * doc/libgcc.texi (Decimal float library routines): New node.
13982 * config/dfp-bit.h, config/dfp-bit.c: New files.
13984 2006-01-18 Ben Elliston <bje@au.ibm.com>
13986 * expr.c (emit_move_change_mode): Always adjust addresses, not
13987 just during reload. Copy replacements only during reload.
13988 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
13989 emit_move_via_integer.
13991 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
13993 * Makefile.in (check-%, check-consistency): Use $${srcdir}
13994 instead of $(srcdir) and ${srcdir}.
13996 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
13999 PR middle-end/11135
14000 * arm.h (struct machine_function): Add pic_reg.
14001 * arm.c (arm_pic_register): Make unsigned.
14002 (arm_override_options): Only set arm_pic_register if
14003 TARGET_SINGLE_PIC_BASE.
14004 (use_return_insn): Only test for a pic register if it is fixed.
14005 (arm_compute_save_reg0_reg12_mask): Likewise.
14006 (thumb_compute_save_reg_mask): Likewise.
14007 (legitimate_pic_operand): Factor out some known invariants.
14008 (legitimize_pic_address): If we don't have a fixed pic register,
14009 then set up a pseudo in the function entry sequence. Handle the
14010 pic base being in a pseudo.
14011 (arm_load_pic_register): Handle the pic register being in a pseudo.
14012 (arm_expand_prologue): Only set up the pic register if it is fixed.
14013 (thumb_expand_prologue): Likewise.
14014 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
14015 (pic_load_addr_based_insn): Likewise.
14016 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
14019 2006-01-18 Ben Elliston <bje@au.ibm.com>
14021 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
14022 decimal float modes for all floating point registers.
14024 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
14025 match_code "mem" with match_test "macho_lo_sum_memory_operand".
14027 2006-01-17 Jakub Jelinek <jakub@redhat.com>
14030 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
14031 even when the pointer is not NULL.
14033 2006-01-16 Ian Lance Taylor <ian@airs.com>
14035 * common.opt (ftoplevel-reorder): New option.
14036 * cgraph.c (cgraph_asm_nodes): New global variable.
14037 (cgraph_asm_last_node): New static variable.
14038 (cgraph_order): New global variable.
14039 (cgraph_create_node): Set new order field.
14040 (cgraph_varpool_node): Likewise.
14041 (decide_is_variable_needed): Return true if not
14042 flag_toplevel_reorder.
14043 (cgraph_add_asm_node): New function.
14044 * cgraph.h (struct cgraph_node): Add order field.
14045 (struct cgraph_varpool_node): Add order field.
14046 (struct cgraph_asm_node): Define.
14047 (cgraph_asm_nodes, cgraph_order): Declare.
14048 (cgraph_add_asm_node): Declare.
14049 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
14051 (cgraph_varpool_assemble_pending_decls): Call it.
14052 (cgraph_output_pending_asms): New static function.
14053 (cgraph_finalize_compilation_unit): Call it.
14054 (struct cgraph_order_sort): Define.
14055 (cgraph_output_in_order): New static function.
14056 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
14057 !flag_toplevel_reorder case.
14058 * c-parser.c: Include "cgraph.h".
14059 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
14061 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
14062 than -fno-unit-at-a-time.
14063 * doc/invoke.texi (Option Summary): Mention
14064 -fno-toplevel-reorder.
14065 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
14066 -funit-at-a-time documentation.
14068 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
14069 Kazu Hirata <kazu@codesourcery.com>
14071 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
14073 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
14075 * Makefile.in (FUNCTION_H): New. Use it instead of
14076 function.h throughout the file.
14077 * function.h: Include tree.h.
14079 2006-01-17 Ben Elliston <bje@au.ibm.com>
14081 * recog.c: Separate some functions with whitespace.
14083 2006-01-16 Richard Henderson <rth@redhat.com>
14085 Merge from gomp branch:
14086 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
14087 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
14088 and rename from struct inline_data. Rename callee* to dst*;
14089 caller* to src*; add copy_decl hook, transform_call_graph_edges,
14090 transform_new_cfg, transform_return_to_modify, and
14091 transform_lang_insert_block flags; remove cloning_p, versioning_p,
14093 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
14094 (copy_decl_for_dup): Remove.
14095 * tree-inline.c (struct inline_data): Move to header.
14096 (insert_decl_map): Export.
14097 (remap_decl): Update for member name changes. Use copy_decl hook.
14098 Allow for replacement to be a non-decl. Remove dead code.
14099 (remap_type_1): Check for existing mapping.
14100 (remap_type): Export.
14101 (remap_decls): Update for member name changes.
14102 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
14103 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
14104 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
14105 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
14106 (tree_function_versioning, build_duplicate_type): Likewise.
14107 (copy_body_r): Likewise. Export.
14108 (copy_decl_for_dup): Split into ...
14109 (copy_decl_for_dup_finish, copy_decl_to_var,
14110 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
14111 (replace_ref_tree, inlining_p): Remove.
14113 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14115 * ifcvt.c (if_convert): Make it static.
14116 * rtl.h: Remove the prototype for if_convert.
14118 * local-alloc.c (local_alloc): Make it static.
14119 * rtl.h: Remove the prototype for local_alloc.
14121 * loop.c (loop_optimize): Make it static.
14122 * cfgloop.h: Remove the prototype for loop_optimize.
14125 2006-01-16 DJ Delorie <dj@redhat.com>
14127 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
14130 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14132 * pa.md: Disparage copies between general and floating-point registers
14133 in 32-bit move patterns.
14135 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
14138 * Makefile.in (check-%): Depend on site.exp instead of
14139 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
14142 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14144 * global.c (global_alloc): Make it static.
14145 * rtl.h: Remove the prototype for global_alloc.
14147 2006-01-16 Richard Guenther <rguenther@suse.de>
14149 * tree-ssa-alias.c (struct used_part): Add write_only field.
14150 (get_or_create_used_part_for): Initialize it to true.
14151 (create_overlap_variables_for): Don't create structure variables
14152 for structures that only are written to.
14153 (find_used_portions): Handle MODIFY_EXPR to track whether a
14154 structure is only written to.
14156 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14158 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
14160 * basic-block.h: Remove the prototype for
14161 partition_hot_cold_basic_blocks.
14163 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
14165 * cppspec.c (lang_specific_spec_functions): Remove.
14166 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
14167 * gcc.h (lang_specific_spec_functions): Remove.
14168 * gccspec.c (lang_specific_spec_functions): Remove.
14170 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
14172 * combine.c (record_value_for_reg): Invalidate registers
14174 (record_dead_and_set_regs_1): Likewise, by passing them to
14175 record_value_for_reg.
14176 (record_dead_and_set_regs): Invalidate stores made by a
14177 call. We do not combine across a call, but we still
14178 relied on equivalences.
14180 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14182 * tree-vrp.c (extract_range_from_binary_expr): Cope with
14183 vrp_int_const_binop returning non-constant nodes.
14185 2006-01-16 Paul Brook <paul@codesourcery.com>
14187 * config/m68k/m68k.c (output_move_const_into_data_reg):
14188 Output correct mnemonic for mvz and mvs.
14190 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
14192 * rtl-factoring.c: Add sequence abstraction algorithm.
14193 * cfgcleanup.c (outgoing_edges_match): Extra checks.
14194 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
14196 (block_has_preserve_label): New function.
14197 * common.opt: Register new pass.
14198 * Makefile.in: Ditto.
14200 * timevar.def: Ditto.
14201 * tree-pass.h: Ditto.
14202 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
14203 * rtl.h (make_jump_insn_raw): Add forward decl.
14204 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
14206 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14207 Roger Sayle <roger@eyesopen.com>
14209 * fold-const.c (fold_minmax): New static function.
14210 (fold_binary) <MIN_EXPR>: Call it.
14211 <MAX_EXPR>: Likewise.
14212 * stor-layout.c (place_field): Use DECL_SIZE consistently
14213 in the computation of the new record size.
14215 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14217 * cse.c (cse_condition_code_reg): Make it static.
14218 * rtl.h: Remove the prototype for cse_condition_code_reg.
14220 * combine.c (combine_instructions): Make it static.
14221 * rtl.h: Remove the prototype for combine_instructions.
14223 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14226 * tree.c (get_file_function_name_long): Concatenate the first global
14227 object name with a string derived from the input filename of the object
14230 2006-01-16 Ben Elliston <bje@au.ibm.com>
14232 * config/i386/winnt-stubs.c: Update FSF address.
14233 * config/xtensa/ieee754-df.S: Ditto.
14234 * config/xtensa/ieee754-sf.S: Ditto.
14236 2006-01-14 Ian Lance Taylor <ian@airs.com>
14238 * ifcvt.c (noce_init_if_info): New static function, broken out of
14239 noce_process_if_block.
14240 (noce_process_if_block): Call noce_init_if_info.
14241 (check_cond_move_block): New static function.
14242 (cond_move_process_if_block): New static function.
14243 (process_if_block): Call cond_move_process_if_block.
14245 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
14247 * cselib.c (hash_table): Rename to cselib_hash_table.
14248 (cselib_clear_table, discard_useless_values,
14249 remove_useless_values, cselib_lookup_mem, cselib_lookup,
14250 cselib_init, cselib_finish): Adjust uses of hash_table.
14252 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
14254 PR tree-optimization/25485
14255 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
14256 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
14257 is known to be false and true, respectively.
14259 2006-01-14 Richard Guenther <rguenther@suse.de>
14261 PR tree-optimization/22548
14262 PR tree-optimization/22555
14263 PR tree-optimization/22501
14264 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
14265 * params.def (salias-max-array-elements): New parameter.
14266 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
14267 * doc/invoke.texi (salias-max-array-elements): Document.
14268 * tree-flow-inline.h (var_can_have_subvars): We also handle
14270 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
14272 * tree-ssa-structalias.c (params.h): Include.
14273 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
14274 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
14275 (get_constraint_for): For ADDR_EXPR operating on something
14276 containing an ARRAY_REF, add all subvars to the solution.
14277 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
14278 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
14279 for creating MUST_DEFs.
14280 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
14282 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
14284 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
14286 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
14287 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14288 number_of_iterations_le): New functions.
14289 (number_of_iterations_special): Removed.
14290 (number_of_iterations_exit): Do not use number_of_iterations_special.
14291 * tree.c (unsigned_type_for): Always return integer type.
14293 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
14294 Richard Guenther <rguenther@suse.de>
14296 PR rtl-optimization/24257
14297 * gcse.c (find_moveable_store): Only consider a store movable
14298 when the SET_SRC of the insn can be assigned to a register.
14300 2006-01-14 Ian Lance Taylor <ian@airs.com>
14302 * tree.c (tree_not_class_check_failed): New function.
14303 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
14304 (tree_not_class_check_failed): Declare.
14306 2006-01-13 Ian Lance Taylor <ian@airs.com>
14308 * reload1.c (do_output_reload): Add assertion rejecting a
14311 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
14313 * combine.c (struct reg_stat): Add new fields truncation_label and
14315 (record_value_for_reg): Reset truncated_to_mode.
14316 (record_truncated_value): New function.
14317 (check_promoted_subreg): Call it. Rename to check_conversions.
14318 (combine_instructions): Rename check_promoted_subreg to
14320 (reg_truncated_to_mode): New function.
14321 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
14322 (gen_lowpart_or_truncate): New function.
14323 (force_to_mode): Use it instead of gen_lowpart.
14325 2006-01-13 Diego Novillo <dnovillo@redhat.com>
14327 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
14328 VAR is a tag, not its type tag.
14330 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
14332 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
14333 alternatives to match style of other entries.
14334 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
14336 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
14338 PR tree-optimization/25771
14339 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
14342 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
14345 * tree-inline.c (declare_return_variable): If the return variable
14346 was marked as a non gimple complex, set the return slot variable
14347 to be a non gimple comple variable.
14349 2006-01-13 Richard Guenther <rguenther@suse.de>
14351 * builtins.c (expand_builtin_sincos): New function.
14352 (expand_builtin_mathfn_3): Remove dead code, sin and cos
14354 (expand_builtin): Expand sincos using expand_builtin_sincos.
14356 2006-01-12 DJ Delorie <dj@redhat.com>
14358 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
14359 shift counts, separate SI shifts for m32c vs m16c, pass shift type
14360 so that constant shifts can be split.
14361 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
14362 (m32c_valid_pointer_mode): Make static.
14363 (shift_gen_func_for): New.
14364 (m32c_prepare_shift): Use it. Split large const shifts into
14366 * config/m32c/predicates.md (shiftcount_operand): Allow more
14368 (longshiftcount_operand): New.
14369 * doc/md.texi (Machine Constraints): Document In6.
14371 2006-01-13 Ben Elliston <bje@au.ibm.com>
14373 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
14374 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
14377 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
14379 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
14380 to try to avoid clobbering pieces of structures when we know
14381 something about the whole structure.
14382 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
14384 2006-01-13 Ben Elliston <bje@au.ibm.com>
14386 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
14387 return in memory, as this is no limitation is no longer present.
14389 2006-01-12 DJ Delorie <dj@redhat.com>
14391 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
14392 mova with fb, and for fb+0 -> An.
14394 * config/m32c/mov.md (peephole2): Fix enabling logic.
14396 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
14397 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
14398 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
14399 FINI_ARRAY_SECTION_ASM_OP): Define.
14401 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
14403 (m32c_legitimize_reload_address): New logic to reload FB to An.
14404 (m32c_output_reg_push): Add newline.
14405 (m32c_output_reg_pop): Likewise.
14407 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
14409 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
14411 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
14413 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
14415 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14417 * config/sh/predicates.md (sh_rep_vec): Add parallel to
14420 2006-01-11 Ben Elliston <bje@au.ibm.com>
14422 * rtlanal.c (find_reg_note): Assert insn is not null.
14424 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14426 * df-scan.c (df_hard_reg_init): Move declaration of i outside
14429 2006-01-11 Jeff Law <law@redhat.com>
14431 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
14433 (mark_threaded_blocks, register_jump_thread): New functions.
14434 (thread_through_all_blocks): Remove unwanted argument. No
14435 longer rely on e->aux to communicate thread target info.
14436 Call mark_threaded_blocks. Release the threaded_blocks
14437 bitmap and threaded_edges vector when complete.
14438 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
14439 (threaded_blocks): Remove.
14440 (tree_ssa_dominator_optimize): Remove initialization and
14441 finalization of threaded_blocks. Simplify call to
14442 thread_through_all_blocks.
14443 (thread_across_edge): Call register_jump_thread rather than
14444 storing thread information into e->aux.
14445 (free_all_edge_infos): Simplify now that e->aux is no longer
14446 used to communicate with thread_through_all_blocks.
14447 * tree-flow.h (thread_through_all_blocks): Update prototype.
14448 (register_jump_thread): Prototype.
14450 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14452 * df-core.c (df_compact_blocks, df_bb_replace): Use
14453 SET_BASIC_BLOCK instead of BASIC_BLOCK.
14455 2006-01-11 Richard Guenther <rguenther@suse.de>
14457 PR tree-optimization/25734
14458 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
14459 stop propagation after successful propagation to the LHS.
14461 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14463 * basic-block.h (control_flow_graph): Change the type of
14464 x_basic_block_info to VEC(basic_block,gc) *.
14465 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
14467 (SET_BASIC_BLOCK): New.
14468 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
14469 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
14470 * cfgbuild.c (find_basic_blocks): Likewise.
14471 * cfglayout.c (fixup_reorder_chain): Likewise.
14472 * cfgrtl.c (create_basic_block_structure,
14473 rtl_create_basic_block): Likewise.
14474 * ifcvt.c (find_if_case_1): Likewise.
14475 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
14478 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14480 * Makefile.in: Removed rotted odf.c entry.
14482 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
14485 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
14486 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
14487 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
14488 output pattern modifier, not %e.
14489 * config/cris/cris.c (cris_op_str): Update comment about pattern
14491 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
14492 before falling through into...
14493 <case 'E'>: Redefined from old 'e' case.
14495 2006-01-11 Jan Hubicka <jh@suse.cz>
14498 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
14500 2006-01-11 Jan Hubicka <jh@suse.cz>
14502 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
14503 * i386.c (x86_decompose_lea): Kill.
14504 (ix86_rtx_costs): Kill.
14506 2006-01-11 Jan Hubicka <jh@suse.cz>
14508 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
14509 * cgraph.h (cgraph_node): Add inline_decl.
14510 (cgraph_insert_node_to_hashtable): Declare.
14511 (save_inline_function_body): Declare.
14512 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
14514 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
14515 (cgraph_function_versioning): Update call of tree_function_versioning.
14516 (save_inline_function_body): New function.
14517 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
14518 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
14519 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
14520 (cgraph_default_inline_p): Likewise.
14521 (cgraph_decide_inlining_incrementally): Likewise.
14522 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
14523 (copy_bb): Kill saving; do updating of clones.
14524 (copy_cfg_body): Kill saving.
14525 (initialize_inlined-parameters): Likewise.
14526 (expand_call_inline): Likewise.
14528 (tree_function_versioning): New parameter "update_clones".
14529 (inlining_p): Kill saving.
14530 * tree-inline.h (tree_function_versioning): Update prototype.
14531 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
14534 2006-01-11 Ian Lance Taylor <ian@airs.com>
14536 * combine.c (struct undo): Remove is_int. Enumify types of undos.
14537 Allow undoing set of machine mode.
14538 (do_SUBST): Use enums instead of is_int.
14539 (do_SUBST_MODE): New function.
14540 (SUBST_MODE): New macro.
14541 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
14542 reg and trying to replace reg_regno_rtx with a new register.
14543 (undo_all): Use new enums, handle undoing a PUT_MODE change.
14544 (simplify_set): Use SUBST_MODE.
14545 (distribute_notes): Remove code that tried to update reg notes
14546 for regno_reg_rtx changes.
14548 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
14550 PR tree-optimization/23109
14551 PR tree-optimization/23948
14552 PR tree-optimization/24123
14554 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
14555 * tree-cfg.c (single_noncomplex_succ): New.
14556 * tree-flow.h (single_noncomplex_succ): Declare it.
14557 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14558 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14559 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
14560 insert_bb, register_division_in, insert_reciprocals,
14561 replace_reciprocal, free_bb): New.
14562 (execute_cse_reciprocals_1): Rewritten.
14563 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
14564 Do not commit any edge insertion. Always compute dominators and
14565 create the allocation pool.
14566 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
14567 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
14568 * targhooks.c (default_min_divistions_for_recip_mul): New.
14569 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
14570 * passes.c (init_optimization_passes): Run recip after tree loop
14572 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
14574 2006-01-11 Danny Berlin <dberlin@dberlin.org>
14575 Kenneth Zadeck <zadeck@naturalbridge.com>
14577 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
14578 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
14579 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
14580 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
14581 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
14582 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
14583 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
14584 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
14585 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
14586 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
14587 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
14588 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
14589 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
14590 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
14591 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
14592 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
14593 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
14594 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
14595 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
14596 DF_SCAN_POST_ALLOC): New macros.
14597 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
14598 df_free_bb_function, df_local_compute_function, df_init_function,
14599 df_dataflow_function, df_confluence_function_0,
14600 df_confluence_function_n, df_transfer_function,
14601 df_finalizer_function, df_free_function, df_dump_problem_function,
14602 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
14603 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
14604 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
14605 df_urec_bb_info, ) New types.
14606 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
14608 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
14609 df_analyze_simple_change_some_blocks,
14610 df_analyze_simple_change_one_block, df_compact_blocks,
14611 df_bb_replace, df_bb_regno_last_use_find,
14612 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
14613 df_insn_regno_def_p, df_find_def, df_find_use,
14614 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
14615 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
14616 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
14617 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
14618 debug_df_chain, df_get_dependent_problem, df_chain_create,
14619 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
14620 df_grow_bb_info, df_chain_dump, df_print_bb_index,
14621 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
14622 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
14623 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
14624 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
14625 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
14626 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
14627 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
14628 df_ref_remove, df_insn_refs_delete, df_refs_delete,
14629 df_reorganize_refs, df_set_state, df_hard_reg_init,
14630 df_read_modify_subreg_p) New public functions.
14631 * df-core.c: The core dataflow solver and glue routines for rtl
14633 (df_init, df_add_problem, df_set_blocks, df_finish,
14634 df_hybrid_search_forward, df_hybrid_search_backward,
14635 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
14636 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
14637 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
14638 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
14639 df_reg_defined, df_find_use, df_reg_used, df_dump,
14640 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
14641 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
14642 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
14643 debug_df_useno, reset_df_after_reload): New functions.
14644 * df-scan.c: The scanning fuctions, once in df.c, completely
14645 rewritten so that they now fully model the functionality of
14646 register usage at the backend.
14647 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
14648 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
14649 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
14650 df_grow_insn_info, df_rescan_blocks, df_ref_create,
14651 df_get_artificial_defs, df_get_artificial_uses,
14652 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
14653 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
14654 df_refs_delete, df_reorganize_refs, df_set_state,
14655 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
14656 df_def_record_1, df_defs_record, df_uses_record,
14657 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
14658 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
14659 df_record_exit_block_uses, df_hard_reg_init): New functions.
14661 * df-problems.c: Seven concrete dataflow problems that use the
14662 scanning in df-scan.c and are solved by the engine in df-core.c.
14663 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
14664 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
14665 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
14666 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
14667 df_ru_free_bb_info, df_ru_alloc,
14668 df_ru_bb_local_compute_process_def,
14669 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
14670 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
14671 df_ru_transfer_function, df_ru_free, df_ru_dump,
14672 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
14673 df_rd_free_bb_info, df_rd_alloc,
14674 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
14675 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
14676 df_rd_transfer_function, df_rd_free, df_rd_dump,
14677 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
14678 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
14679 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
14680 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
14681 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
14682 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
14683 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
14684 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
14685 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
14686 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
14687 df_urec_mark_reg_change, df_urec_check_earlyclobber,
14688 df_urec_mark_reg_use_for_earlyclobber,
14689 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
14690 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
14691 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
14692 df_urec_dump, df_urec_add_problem, df_chain_alloc,
14693 df_chain_create_bb_process_use, df_chain_create_bb,
14694 df_chain_finalize, df_chain_free, df_chains_dump,
14695 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
14696 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
14697 df_reg_lifetime): New functions.
14698 * df.c: Deleted file.
14699 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
14700 consistent with new df api.
14701 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
14702 rest_of_handle_sms): Ditto.
14703 * web.c (unionfind_union, union_defs, entry_register, web_main):
14705 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
14706 invariant_expr_equal_p, find_defs, check_dependencies,
14707 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
14708 free_inv_motion_data, move_loop_invariants): Ditto.
14709 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
14710 Update dependencies.
14711 (odf.c): Added defective entry that was deleted later in day.
14712 * sched-deps.c (sched_analyze_1): Ditto.
14714 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
14716 * tree-ssa-operands.c (get_expr_operands): Record addressable
14717 variables directly. Do not call add_stmt_operands for CONST_DECLs
14719 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
14720 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
14722 2006-01-11 Ben Elliston <bje@au.ibm.com>
14724 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
14725 function returns true in the positive case.
14727 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14730 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
14731 for SI, DI, SF and DF modes. Add alternatives to copy between
14732 general and floating point registers to the 32-bit patterns.
14733 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
14734 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
14735 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
14736 generating 64-bit code.
14737 * config/pa/pa.c (output_move_double): Handle copies between general
14738 and floating registers.
14740 2006-01-10 Stuart Hastings <stuart@apple.com>
14742 * config/i386/i386.md (set_got): Update.
14743 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
14744 (builtin_setjmp_receiver): Mach-O support.
14745 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
14746 (GOT_SYMBOL_NAME): Define.
14747 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
14748 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
14749 * config/i386/i386.c (override_options): Revise for Darwin.
14750 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
14751 support. (darwin_x86_file_end): New. (output_set_got): Add label
14752 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
14753 * config/i386/i386-protos.h (output_set_got): Likewise.
14754 * config/darwin.c (machopic_legitimize_pic_address): Update
14757 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
14759 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
14760 when MODE isn't BLKmode.
14762 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14764 PR rtl-optimization/25367
14765 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
14767 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
14770 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
14771 for a negative bound.
14773 2006-01-10 Richard Guenther <rguenther@suse.de>
14775 * tree-ssa-structalias.c (get_constraint_for_component_ref):
14776 Never override with anything constraint.
14778 2006-01-10 Jan Beulich <jbeulich@novell.com>
14780 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
14781 256 bits when optimize_size.
14783 2006-01-10 Jan Beulich <jbeulich@novell.com>
14785 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
14787 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
14788 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
14791 2006-01-10 Ben Elliston <bje@au.ibm.com>
14793 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
14795 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
14796 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
14797 (USE_FP_FOR_ARG): Reject decimal float modes.
14798 (function_arg_advance): Likewise.
14799 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
14800 (rs6000_handle_altivec_attribute): Do not permit decimal floating
14801 point types in AltiVec vectors.
14802 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
14803 (rs6000_libcall_value): Likewise.
14805 2006-01-09 Bob Wilson <bob.wilson@acm.org>
14807 * config/xtensa/ieee754-df.S: New file.
14808 * config/xtensa/ieee754-sf.S: New file.
14809 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
14810 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
14811 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
14813 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
14815 * config/sh/predicates.md (binary_float_operator,
14816 binary_logical_operator, commutative_float_operator,
14817 equality_comparison_operator, greater_comparison_operator,
14818 less_comparison_operator, logical_operator,
14819 noncommutative_float_operator, shift_operator,
14820 symbol_ref_operand, unary_float_operator): Remove redundant
14823 2006-01-09 Jeff Law <law@redhat.com>
14825 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
14826 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
14827 now unused arguments. Callers updated.
14828 (eliminate_redundant_computations): Remove now unused arguments,
14830 (local_fold): Remove, no longer used.
14831 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
14833 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
14834 (simplify_cond): New function.
14835 (forward_propagate_into_cond): Call simplify_cond.
14837 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
14839 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
14840 (*vec_extractv2di_1_sse): New.
14842 2006-01-09 Ben Elliston <bje@au.ibm.com>
14844 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
14846 2006-01-08 Richard Guenther <rguenther@suse.de>
14848 * tree-ssa-structalias.c (get_constraint_for): Remove
14849 anyoffset argument.
14850 (get_constraint_for_component_ref): Likewise.
14851 (do_deref): Likewise.
14852 (get_constraint_for): Likewise.
14853 (do_structure_copy): Likewise.
14854 (handle_ptr_arith): Likewise.
14855 (find_func_aliases): Likewise. Remove unused need_anyoffset
14858 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
14859 Kaz Kojima <kkojima@gcc.gnu.org>
14861 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
14862 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
14863 (EXTRA_CONSTRAINT_C16): Remove.
14864 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
14865 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
14866 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
14867 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
14868 constants of SHmedia. Handle nested constant expressions of
14870 (andcosts): Fix the costs for SHmedia constants.
14871 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
14872 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
14873 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
14874 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
14875 (movv4hi_i, movv2si_i): Likewise.
14876 (movsi_const): Adjust the second operand of ior so to match with
14877 the Csu constraint.
14878 (movdi_const, movdi_const_32bit): Likewise.
14879 (movdi_const_16bit+1): Don't sign-extend LOW.
14880 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
14882 (*double_shori): Fix the split condition. Use GEN_INT instead
14883 of get_int_mode calls. Mask lower 16-bit of the argument of
14885 (sym2GOTPLT): Remove.
14886 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
14888 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
14889 instead of EXTRA_CONSTRAINT_C16.
14891 2006-01-07 Ian Lance Taylor <ian@airs.com>
14892 David Edelsohn <edelsohn@gnu.org>
14894 PR rtl-optimization/25662
14895 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
14896 for constant operands instead of simplify_gen_binary.
14897 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
14898 after trying simplify_binary_operation
14900 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
14902 * tree.c (iterative_hash_expr): Hash decls based on UID.
14904 2006-01-06 Eric Christopher <echristo@apple.com>
14906 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
14907 (TARGET_UNWIND_EMIT): Fix spelling.
14908 * target.h (gcc_target): Add except_table_label.
14909 * except.c (output_function_exception_table): Use.
14910 * varasm.c (default_emit_except_table_label): New.
14911 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
14913 (asm_out): Add here.
14914 * output.h (default_emit_except_table_label): Prototype.
14915 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
14916 * config/darwin.c (darwin_emit_except_table_label): Define.
14917 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
14919 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
14921 PR tree-optimization/18527
14922 * tree-ssa-loop-niter.c (number_of_iterations_cond,
14923 number_of_iterations_special, number_of_iterations_exit):
14924 Move base and step of an iv to a single structure. Add
14925 no_overflow flag, and use it in # of iterations analysis.
14926 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
14927 folded_casts argument.
14928 (simple_iv): Pass base and step in a structure. Set no_overflow
14930 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
14931 Evaluate expensiveness of computing # of iterations instead of
14932 the final expression.
14933 * tree-scalar-evolution.h (affine_iv): New structure.
14934 (simple_iv): Declaration changed.
14935 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
14936 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
14937 find_givs_in_stmt): Changed due to simple_iv change.
14939 2006-01-06 Jeff Law <law@redhat.com>
14942 * tree-cfg.c (bsi_replace): Rename final argument from
14943 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
14944 change (stmt -> orig_stmt).
14945 * tree-eh.c (verify_eh_throw_stmt_node): New function.
14946 (bsi_remove): Add new argument. Remove EH information
14948 (verify_eh_throw_table_statements): New function.
14949 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
14951 * tree-optimize.c (execute_free_cfg_annotations): Verify
14952 the EH throw statement table after removing annotations.
14953 * except.h (verify_eh_throw_table_statements): Prototype.
14954 * tree-flow.h (bsi_remove): Update prototype.
14955 * tree-vrp.c (remove_range_assertions): Add new argument to
14957 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
14958 * tree-complex.c (expand_complex_div_wide): Likewise.
14959 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
14960 * tree-tailcall.c (eliminate_tailcall): Likewise.
14961 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
14962 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
14963 * tree-nrv.c (tree_nrv): Likewise.
14964 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
14965 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
14966 (combine_blocks): Likewise.
14967 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
14968 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
14969 (cleanup_control_flow): Likewise.
14970 (remove_forwarder_block): Likewise.
14971 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
14972 * tree-sra.c (sra_replace): Likewise.
14973 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
14974 (forward_propagate_single_use_vars): Likewise.
14975 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
14976 * tree-inline.c (expand_call_inline): Likewise.
14977 * tree-vect-transform.c (vect_transform_loop): Likewise.
14978 * tree-outof-ssa.c (rewrite_trees): Likewise.
14979 * tree-cfg.c (make_goto_expr_edges): Likewise.
14980 (cleanup_dead_labels): Likewise.
14981 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
14982 (bsi_move_before, bsi_move_after): Likewise.
14983 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
14984 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
14986 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
14989 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
14991 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
14992 on non gimple variables. Also add checks at the top for decls and
14994 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
14996 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
14997 and IMAGPART_EXPR for creating MUST_DEFs.
14998 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
14999 and NAME_MEMORY_TAG separately from the DECLs.
15001 2006-01-06 Richard Guenther <rguenther@suse.de>
15003 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
15004 annotation, if necessary.
15005 * tree-ssa-pre.c (create_expression_by_pieces): Remove
15006 redundant calls to update_stmt.
15007 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
15010 2006-01-05 Richard Henderson <rth@redhat.com>
15012 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
15014 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15016 * c-typeck.c: Update copyright date.
15018 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15020 * c-typeck.c (build_c_cast): Always warn when casting
15021 from a pointer to an integer of different size, even if
15022 the node was constant.
15024 2006-01-05 Richard Guenther <rguenther@suse.de>
15026 PR tree-optimization/22555
15027 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
15028 if one structure field is an array.
15029 * tree-ssa-operands.c (get_expr_operands): Continue scanning
15030 operands even if we found a subvar, but ignore VOPs in this
15032 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
15034 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
15036 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
15038 PR middle-end/24998
15039 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
15041 2006-01-05 Richard Guenther <rguenther@suse.de>
15042 Diego Novillo <dnovillo@redhat.com>
15044 * tree-pass.h (TODO_remove_unused_locals): Define.
15045 * gimple-low.c (expand_var_p, remove_useless_vars,
15046 pass_remove_useless_vars): Remove. Update all users.
15047 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
15048 (remove_unused_locals): New function.
15049 * tree-flow.h (remove_unused_locals): Declare.
15050 * passes.c (execute_todo): Call remove_unused_locals if
15051 TODO_remove_unused_locals is set.
15052 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
15053 * tree-ssa-dce.c (pass_dce): Likewise.
15054 * tree-outof-ssa.c (pass_del_ssa): Likewise.
15056 2006-01-05 Richard Guenther <rguenther@suse.de>
15058 * tree-flow.h (struct fieldoff): Decompose field to
15059 type, size and decl.
15060 * tree-ssa-alias.c (create_sft): Take type as parameter.
15061 (create_overlap_variables_for): Store type, size and decl
15062 in the fieldoff structure.
15063 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
15064 of struct fieldoff.
15065 (push_fields_onto_fieldstack): Likewise.
15066 (create_variable_info_for): Likewise. Use offset for the
15067 SFT name if the decl is not available.
15069 2006-01-04 Paul Brook <paul@codesourcery.com>
15071 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
15073 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
15075 * lambda-code.c (can_put_in_inner_loop): Relax
15077 (can_put_after_inner_loop): New function.
15078 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
15079 (perfect_nestify): Change to make copies and modify uses.
15081 2006-01-04 Richard Henderson <rth@redhat.com>
15083 Merge from gomp branch:
15084 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
15085 via integer constant.
15086 (pragma_lex): Remove.
15087 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
15088 rather than parsing it.
15089 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
15090 handle_pragma_extern_prefix): Add %< %> quotes.
15091 (registered_pragmas): New.
15092 (c_register_pragma_1): New.
15093 (c_register_pragma): Use it.
15094 (c_register_pragma_with_expansion): Likewise.
15095 (c_invoke_pragma_handler): New.
15096 (init_pragma): Use cpp_register_deferred_pragma directly for
15098 * c-pragma.h (enum pragma_kind): New.
15099 (pragma_handler): New.
15100 (c_invoke_pragma_handler): Declare.
15101 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
15103 * c-common.h (c_common_pch_pragma): Update decl.
15104 * Makefile.in (c-parser.o): Update dependencies.
15105 (GTFILES): Add c-pragma.h.
15106 * c-parser.c (struct c_token): Add pragma_kind.
15107 (struct c_parser): Add in_pragma.
15108 (c_lex_one_token): Always initialize keyword and pragma_kind.
15109 Extract data for CPP_PRAGMA.
15110 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
15111 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
15112 Don't allow CPP_PRAGMA_EOL if in_pragma.
15113 (c_parser_consume_pragma): New.
15114 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
15115 (c_parser_skip_to_end_of_parameter): Likewise.
15116 (c_parser_skip_to_end_of_block_or_statement): Likewise.
15117 (c_parser_skip_to_pragma_eol): New.
15118 (c_parser_external_declaration): Handle CPP_PRAGMA.
15119 (c_parser_compound_statement_nostart): Likewise.
15120 (c_parser_statement_after_labels): Likewise.
15121 (c_parser_pragma): New.
15122 (pragma_lex): Likewise.
15123 (c_parser_pragma_pch_preprocess): New.
15124 (c_parser_new): Merge into ...
15125 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
15127 2006-01-04 Jeff Law <law@redhat.com>
15130 * tree-cfg.c (bsi_replace): Remove the original statement
15131 from the EH throw statement table.
15133 2006-01-04 Jakub Jelinek <jakub@redhat.com>
15135 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
15136 make the prototype extern "C" and add throw ().
15139 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
15140 and pos non-negative and pos + len <= 32.
15141 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
15142 drop pos + len < HOST_BITS_PER_WIDE_INT test.
15143 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
15146 * c-common.c (handle_vector_size_attribute): Reject zero vector size
15147 as well as sizes not multiple of component size.
15150 * function.c (instantiate_expr): New function.
15151 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
15152 walk its DECL_VALUE_EXPR with instantiate_expr.
15154 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
15155 DW_OP_deref{,_size} if address isn't going to be added.
15157 2006-01-04 Ben Elliston <bje@au.ibm.com>
15159 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
15160 * config/fp-bit.c: Likewise.
15162 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
15164 * dominance.c: Add comment about why we use DFS numbering
15167 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15168 Richard Henderson <rth@redhat.com>
15170 Merge from gomp-branch:
15171 * varasm.c (assemble_variable): Handle thread-local COMMON data.
15172 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
15174 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
15176 PR rtl-optimization/25578
15177 * combine.c (combine_simplify_rtx, force_to_mode): Don't
15178 pass a parameter to simplify_shift_const if changing ASHIFTRT
15181 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
15183 * builtins.c (get_builtin_sync_mem): New function.
15184 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
15185 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
15186 Call get_builtin_sync_mem to generate mem rtx.
15188 2006-01-03 Richard Guenther <rguenther@suse.de>
15191 * stmt.c (add_case_node): Make sure to clear overflow flags
15194 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15196 Merge from gomp-branch.
15197 * config/sparc/sync.md: New file.
15198 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
15199 UNSPECV_LDSTUB): New constants.
15200 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
15201 * config/sparc/predicates.md (memory_reg_operand): New predicate.
15202 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
15205 2006-01-03 Roger Sayle <roger@eyesopen.com>
15207 * combine.c (reg_subword_p): New predicate to test whether the
15208 destination of a set refers to a subword/piece of a register.
15209 (try_combine): Generalize the code to merge the setting of a
15210 pseudo to a constant followed by a set of a subword of that
15211 register to a constant.
15213 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
15215 * basic-block.h (control_flow_graph): Change the type of
15216 x_label_to_block_map to VEC(basic_block,gc) *.
15217 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
15218 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
15220 * tree-ssa-propagate.c (cfg_blocks): Change the type to
15221 VEC(basic_block,heap) *.
15222 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
15223 ssa_prop_fini): Adjust the uses of cfg_blocks.
15225 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
15227 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
15229 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
15230 hashing trees instead of a pointer hash.
15231 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
15232 compare for MEM_EXPR.
15234 PR rtl-optimization/25130
15235 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
15236 when comparing MEMs for GCSE
15238 2006-01-03 Ben Elliston <bje@au.ibm.com>
15240 * targhooks.h (default_decimal_float_supported_p): Declare.
15241 * targhooks.c (default_decimal_float_supported_p): Define.
15242 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
15243 `default_decimal_float_supported_p'.
15244 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
15246 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
15248 * combine.c (apply_distributive_law <SUBREG>): Check
15249 TRULY_NOOP_TRUNCATION.
15251 2006-01-02 Geoffrey Keating <geoffk@apple.com>
15253 * dwarf2out.c (have_switched_text_section): Delete.
15254 (have_multiple_function_sections): New.
15255 (have_location_lists): Make 'bool'.
15256 (add_AT_loc_list): Use 'true' not '1'.
15257 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
15258 (output_loc_list): Use have_multiple_function_sections.
15259 (output_ranges): Likewise.
15260 (dwarf2out_begin_function): Set have_multiple_function_sections if
15262 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
15263 Check function_section rather than DECL_SECTION_NAME.
15264 (dwarf2out_finish): Use have_multiple_function_sections.
15265 Don't clear have_location_lists.
15267 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
15268 Jan Hubicka <jh@suse.cz>
15270 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
15271 case of conditional jump jumping to the next instruction.
15272 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
15273 cases of conditional jump jumping to the next instruction.
15275 2006-01-02 Jan Hubicka <jh@suse.cz>
15277 * i386.c (*_cost): Add COSTS_N_INSNS.
15278 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
15280 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
15283 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
15285 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15287 * config/arm/arm.c (all_fpus): Fix comment typo.
15288 * config/darwin.c: Likewise.
15289 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
15290 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
15291 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
15293 2006-01-01 David Edelsohn <edelsohn@gnu.org>
15295 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
15296 (rs6000_split_compare_and_swapqhi): New.
15297 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
15298 (sync_compare_and_swapqhi_internal): New.
15299 * config/rs6000/rs6000-protos.h: Declare.