1 2006-09-22 Geoffrey Keating <geoffk@apple.com>
3 * config/darwin.h (LINK_SYSROOT_SPEC): New.
4 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
7 2006-09-22 Mike Stump <mrs@apple.com>
9 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
12 2006-09-22 Richard Guenther <rguenther@suse.de>
15 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
16 sort of stack variables stable.
18 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
21 * explow.c (force_reg): Set REG_POINTER flag according to
24 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
26 PR tree-optimization/28888
27 * tree-if-conv.c (combine_blocks): Rewritten.
28 * tree-cfg.c (tree_verify_flow_info): Check that edges with
29 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
31 2006-09-22 Jakub Jelinek <jakub@redhat.com>
33 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
36 2006-09-21 Richard Sandiford <richard@codesourcery.com>
38 * varasm.c (copy_constant): Fix reversed gcc_assert check.
40 2006-09-21 Janis Johnson <janis187@us.ibm.com>
42 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
44 2006-09-21 Roger Sayle <roger@eyesopen.com>
47 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
48 dw_fde_current_label, to be the start of the function, i.e. the same
49 value as dw_fde_begin.
51 2006-09-20 Richard Sandiford <richard@codesourcery.com>
53 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
54 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
55 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
56 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
57 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
58 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
59 (abs<mode>2, neg<mode>2): Likewise.
60 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
61 (*mips_abs_ps): New define_insn.
63 2006-09-20 Josh Conner <jconner@apple.com>
66 * calls.c (expand_call): Allow reuse of structure return stack
69 2006-09-20 Paul Brook <paul@codesourcery.com>
71 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
74 2006-09-20 Janis Johnson <janis187@us.ibm.com>
76 * doc/extend.texi (Decimal Float): Update for latest draft TR,
79 2006-09-20 Steve Ellcey <sje@cup.hp.com>
82 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
83 with tablejumps in them.
85 2006-09-20 Jakub Jelinek <jakub@redhat.com>
88 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
89 wrap it into TARGET_EXPR.
91 2006-09-20 Eric Christopher <echristo@apple.com>
93 * config/i386/i386.c (x86_fisttp): Remove.
94 * config/i386/i386.h (x86_fisttp): Ditto.
95 (TARGET_FISTTP): Ditto.
97 2006-09-19 Eric Christopher <echristo@apple.com>
99 * doc/tm.texi (OBJC_JBLEN): Describe.
100 * config/i386/darwin.h (OBJC_JBLEN): Define.
101 * config/rs6000/darwin.h: Ditto.
103 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
105 PR rtl-optimization/21299
106 * reload1.c (reload): Purge invalid ASMs in the final pass.
108 2006-09-19 Steve Ellcey <sje@cup.hp.com>
111 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
112 pointers as legitimate constants.
114 2006-09-19 Paul Brook <paul@codesourcery.com>
117 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
119 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
121 PR tree-optimization/28887
122 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
123 component parts from the reference.
124 (gather_memory_references_ref): Record the reference without the
125 nonaddressable component parts.
127 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
130 * c-opts.c (c_common_handle_option): Ignore the -std options
131 if the input language is assembly.
133 2006-09-17 Ira Rosen <irar@il.ibm.com>
136 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
138 (ptr_ptr_may_alias_p): Likewise.
139 (record_record_differ_p): New function.
140 (base_object_differ_p): Call record_record_differ_p.
142 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
145 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
146 away for the expr argument.
148 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
151 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
152 before using it for dumping after vectorizing loops.
154 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
155 Jack Howarth <howarth@bromo.med.uc.edu>
158 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
159 skip on error_mark_node.
160 (rs6000_darwin64_record_arg_recurse): Likewise.
162 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
164 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
165 * doc/rtl.texi: Remove related documentation.
167 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
169 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
172 2006-09-15 Jim Wilson <wilson@specifix.com>
174 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
175 Handle symbol offsets same as they are handled in ia64_expand_move
178 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
180 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
181 Add forgotten parameter to the fprintf call.
183 2006-09-15 Steve Ellcey <sje@cup.hp.com>
185 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
187 2006-09-15 Uros Bizjak <uros@kss-loka.si>
189 * doc/contrib.texi: Add my entry.
191 2006-09-15 Nick Clifton <nickc@redhat.com>
193 * doc/md.texi (Processor pipeline description): Fix typo in
194 example of how to use the absence_set directive and reword the
195 description to make it slightly easier to read.
197 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
199 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
200 * loop-doloop.c (doloop_optimize): Use it to limit costs of
201 expanding the number of iterations.
202 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
204 * cfgrtl.c (emit_insn_at_entry): New function.
205 * rtl.h (emit_insn_at_entry): Declare it.
206 * integrate.c (emit_initial_value_sets): Use it.
208 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
210 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
212 (struct loop_work and related VEC declarations): Delete.
213 (bfin_dump_loops): Print out new member bad.
214 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
215 (bfin_scan_loop): Don't recurse.
216 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
217 loops. No longer need to update outer loops if the current one is
218 found bad. Move some validitiy checks to bfin_discover_loop.
219 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
220 but changed not to check for nesting. Also changed to use the new bad
222 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
223 time. Use bitmap based test to discover loop nesting.
225 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
227 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
230 2006-09-14 Richard Guenther <rguenther@suse.de>
231 Kazu Hirata <kazu@codesourcery.com>
234 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
235 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
236 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
237 with TARGET_FUNCTION_VALUE.
239 2006-09-14 Anatoly Sokolov <aesok@post.ru>
242 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
244 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
246 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
249 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
252 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
255 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
257 * basic_block.h (bb_has_eh_pred): Fix comment.
259 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
261 * flow.c (calculate_global_regs_live): Invalidate eh registers
262 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
263 (propagate_block): Handle eh registers as if they were set at basic
265 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
267 * global.c (global_conflicts): Make eh registers to conflict with
268 pseudos live at basic block begin.
269 * basic_block.h (bb_has_eh_pred): New function.
271 2006-09-13 Richard Sandiford <richard@codesourcery.com>
273 PR rtl-optimization/28982
274 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
275 index of a PRE_MODIFY or POST_MODIFY address.
276 * reload1.c (inc_for_reload): Use find_replacement on the original
277 base and index registers.
279 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
281 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
282 for -Os. Update __m128 alignment requirement.
284 2006-09-13 Jan Hubicka <jh@suse.cz>
286 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
288 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
290 PR rtl-optimization/28243
291 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
292 the insn to which the note was originally attached.
294 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
295 Roger Sayle <roger@eyesopen.com>
297 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
298 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
299 on platforms that don't use dwarf for debug info.
301 2006-09-12 Jason Merrill <jason@redhat.com>
304 * builtins.c (expand_builtin_setjmp_receiver): Clobber
305 hard_frame_pointer_rtx after using it to update the frame pointer.
307 2006-09-12 Roger Sayle <roger@eyesopen.com>
309 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
310 (TARGET_ASM_CLOSE_PAREN): Likewise.
311 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
312 (TARGET_ASM_CLOSE_PAREN): Likewise.
314 2006-09-12 Roger Sayle <roger@eyesopen.com>
317 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
318 frame information for frames larger than 512 Kbytes on Tru64 when
319 using the native assembler.
321 2006-09-12 Roger Sayle <roger@eyesopen.com>
325 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
326 and symbols. Instead use the implementation from cse.c's hash_rtx.
328 2006-09-12 Jan Hubicka <jh@suse.cz>
330 PR rtl-optimization/28071
331 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
332 (vect_transform_loop): Likewise.
333 * tree-vectorizer.c (new_loop_vec_info): Likewise.
334 (new_loop_vec_info): Likewise.
335 (destroy_loop_vec_info): Likewise.
336 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
337 (create_stmt_ann): Likewise.
338 (create_tree_ann): Rename to ...
339 (create_tree_common_ann): ... this one; allocate only the common part
341 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
342 (get_value_handle): Likewise.
343 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
345 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
346 (vinfo_for_stmt): Use stmt annotations.
347 * tree-flow.h (tree_ann_common_t): New type.
348 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
349 (tree_ann, get_tree_ann, create_tree_ann): New.
350 * tree-flow-inline.h (get_function_ann): Do more type checking.
351 (stmt_ann): Likewise.
352 (tree_ann): Rename to ...
353 (tree_common_ann): ... this one; return ony common_ann
354 (get_tree_ann): Rename to ...
355 (tree_common_ann): This one; return only common_ann.
356 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
359 2006-09-11 Geoffrey Keating <geoffk@apple.com>
361 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
364 * dwarf2out.c (dwarf_file_data): New.
365 (enum dw_val_class): Add dw_val_class_file.
366 (struct dw_val_struct): Add val_file.
367 (file_table): Change to a hash table.
368 (file_table_emitted): Delete.
369 (file_table_last_lookup_index): Delete.
371 (last_emitted_file): New.
372 (lookup_filename): Change prototype to return a struct dwarf_file_data.
373 (init_file_table): Delete.
374 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
375 (AT_addr): Add comment.
379 (print_die): Handle dw_val_class_file.
380 (print_dwarf_line_table): Update for new file table structure.
381 (attr_checksum): Do checksum a filename.
382 (same_dw_val_p, same_attr_p): Do compare a filename.
383 (size_of_die): Handle dw_val_class_file.
384 (value_format): Likewise.
385 (output_die): Likewise. Also, call maybe_emit_file here.
386 (struct file_info): Constify filenames. Make file_idx a pointer
387 to a struct dwarf_file_data.
388 (struct dir_info): Constify directory names. Remove 'used' field.
389 (struct file_name_acquire_data): New.
390 (file_name_acquire): New.
391 (output_file_names): Modify to handle new file data structures.
392 (add_src_coords_attributes): Use add_AT_file.
393 (add_call_src_coords_attributes): Likewise.
394 (dwarf2out_imported_module_or_decl): Likewise.
395 (gen_subprogram_die): Modify for new file data structures.
396 (gen_variable_die): Likewise.
397 (file_table_eq): New.
398 (file_table_hash): New.
399 (file_table_last_lookup): New.
400 (lookup_filename): Rewrite to handle new file data structures.
401 (maybe_emit_file): Rewrite to handle new file data structures.
402 (dwarf2out_source_line): Always call lookup_filename and
404 (dwarf2out_init): Create file_table here.
405 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
406 (file_table_relative_p): New.
407 (dwarf2out_finish): Change detection of relative filenames
408 to work with new file data structures. Move output_line_info call
409 after debug_info output.
411 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
416 * config/i386/i386.c (override_options): Always default to 16
419 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
422 * var-tracking.c (dump_dataflow_set): Start dumping at
424 (clobber_variable_part): Kill only the variable part in
425 registers holding it, leaving other variables alone.
427 2006-09-11 Josh Triplett <josh@freedesktop.org>
429 * doc/extend.texi (Other Builtins): Actually use the macro
430 argument in the documentation example for
431 __builtin_types_compatible_p.
433 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
435 PR rtl-optimization/28726
436 * sched-deps.c (sched_analyze_reg): New function extracted from...
437 (sched_analyze_1): ...here. Call it to analyze references to
438 registers. Treat again writes to a stack register as writing to the
440 (sched_analyze_2): ...and here. Call it to analyze references to
441 registers. Treat again reads of a stack register as reading the
444 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
445 David Edelsohn <edelsohn@gnu.org>
448 * config/rs6000/spe.md (frob_df_di): Remove %H.
449 (frob_di_df): Remove %H. Change evmergelo to mr.
450 (frob_di_df_2): Remove %H. Change evldd to two loads.
452 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
454 * doc/cpp.texi: Fix names of charset options.
456 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
459 * config/i386/i386.c (override_options): Use 128-bit
460 stack boundary always for 64bits.
462 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
464 PR rtl-optimization/28636
465 * combine.c (force_to_mode): Test for side-effects before
466 substituting by zero.
467 (simplify_shift_const): Likewise for zero or other constants.
469 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
472 * builtins.c (expand_builtin_setjmp): Force next_lab to be
475 2006-09-10 Richard Sandiford <richard@codesourcery.com>
478 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
479 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
480 returned by mode_for_size, rather than the mode of src itself,
481 to choose between 32-bit and 64-bit patterns.
482 (mips_mem_fits_mode_p): New function.
483 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
484 that the size of the source matches the size of the destination.
485 (mov_<store>l, mov_<store>r): Likewise.
487 2006-09-10 Eric Christopher <echristo@apple.com>
489 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
492 2006-09-09 Eric Christopher <echristo@apple.com>
495 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
498 2006-09-09 Roger Sayle <roger@eyesopen.com>
499 Nicolas Setton <setton@adacore.com>
501 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
503 2006-09-10 Andreas Schwab <schwab@suse.de>
505 * config/m68k/m68k.md (bungt_rev): New pattern.
507 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
508 Dale Johannesen <dalej@apple.com>
511 * regclass.c (struct reg_pref): Update documentation.
512 (regclass): Set prefclass to NO_REGS if memory is the best option.
513 (record_reg_classes): Cope with a prefclass set to NO_REGS.
515 2006-09-08 Eric Christopher <echristo@apple.com>
517 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
518 * config/t-slibgcc-darwin: Support x86_64 multilib.
519 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
520 Return 1 for x86_64-darwin.
521 * config/i386/t-darwin: Add m64 multilib.
522 (LIB2_SIDITI_CONV_FUNCS): Use.
523 (LIB2FUNCS_EXTRA): Ditto.
524 * config/i386/darwin.h: Support x86_64.
525 * config/i386/i386.c (override_options): Turn on flag_pic
526 for x86_64-darwin. Disable flag_omit_pointer.
527 (get_pc_thunk_name): Assert !TARGET_64BIT.
528 (legitimate_address_p): Disable machopic addressing for
530 (legitimize_pic_address): Ditto.
531 (ix86_expand_move): Ditto.
532 (ix86_expand_call): Ditto.
533 (machopic_output_stub): Ditto.
534 * config/darwin.c (machopic_select_section): Support literal16.
535 (machopic_select_rtx_section): Ditto.
536 * config/darwin-sections.def: Ditto.
537 * config/darwin-64.c: New.
539 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
542 * c-tree.h (struct c_arg_info): Add pending_sizes.
543 * c-parser.c (c_parser_parms_declarator,
544 c_parser_parms_list_declarator): Initialize pending_sizes.
545 * c-decl.c (get_parm_info): Initialize pending_sizes.
546 (get_parm_info): Set pending_sizes.
547 (grokdeclarator): Call put_pending_sizes for parameters for
548 function definition only.
550 2006-09-07 Jason Merrill <jason@redhat.com>
553 * varasm.c (output_constant): Only strip actual no-op conversions.
556 * config/i386/i386.c (override_options): Use 128-bit
557 stack boundary if -msse.
559 2006-09-07 Eric Christopher <echristo@apple.com>
561 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
563 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
566 2006-09-07 Geoffrey Keating <geoffk@apple.com>
568 * dwarf2out.c: Remove strange characters from comment above
569 dwarf2out_frame_debug_expr.
571 2006-09-07 Eric Christopher <echristo@apple.com>
573 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
574 * config/darwin.h: ... to here.
576 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
578 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
580 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
581 (TARGET_PARTIAL_FLAG_REG_STALL): New.
583 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
584 TARGET_PARTIAL_FLAG_REG_STALL.
585 (*ashldi3_cconly_rex64): Likewise.
586 (*ashlsi3_cmp): Likewise.
587 (*ashlsi3_cconly): Likewise.
588 (*ashlsi3_cmp_zext): Likewise.
589 (*ashlhi3_cmp): Likewise.
590 (*ashlhi3_cconly): Likewise.
591 (*ashlqi3_cmp): Likewise.
592 (*ashlqi3_cconly): Likewise.
593 (*ashrdi3_cmp_rex64): Likewise.
594 (*ashrdi3_cconly_rex64): Likewise.
595 (*ashrsi3_cmp): Likewise.
596 (*ashrsi3_cconly): Likewise.
597 (*ashrsi3_cmp_zext): Likewise.
598 (*ashrhi3_cmp): Likewise.
599 (*ashrhi3_cconly): Likewise.
600 (*ashrqi3_cmp): Likewise.
601 (*ashrqi3_cconly): Likewise.
602 (*lshrdi3_cmp_rex64): Likewise.
603 (*lshrdi3_cconly_rex64): Likewise.
604 (*lshrsi3_cmp): Likewise.
605 (*lshrsi3_cconly): Likewise.
606 (*lshrsi3_cmp_zext): Likewise.
607 (*lshrhi3_cmp): Likewise.
608 (*lshrhi3_cconly): Likewise.
609 (*lshrqi2_cmp): Likewise.
610 (*lshrqi2_cconly): Likewise.
612 2006-09-07 Uros Bizjak <uros@kss-loka.si>
615 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
616 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
617 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
618 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
619 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
620 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
621 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
622 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
623 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
624 implement only CC setting effects of shift instructions.
626 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
628 * doc/contrib.texi: Add myself.
630 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
633 * stor-layout.c (relayout_decl): Don't zero the alignment if it
636 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
639 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
640 (divsi_inv_m1): Use them.
641 (UNSPEC_DIV_INV_TABLE): New constant.
643 2006-09-06 James E Wilson <wilson@specifix.com>
646 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
647 then call count_or_remove_death_notes.
649 2006-09-06 Jason Merrill <jason@redhat.com>
652 * tree-inline.c (copy_result_decl_to_var): New fn.
653 (declare_return_variable): Use it. Call declare_inline_vars here.
654 (expand_call_inline): Not here.
656 2006-09-06 Diego Novillo <dnovillo@redhat.com>
658 * doc/contrib.texi: Update my entry.
660 2006-09-06 Nick Clifton <nickc@redhat.com>
662 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
664 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
667 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
668 (canonicalize_induction_variables): Likewise.
669 (tree_unroll_loops_completely): Likewise.
670 (tree_ssa_prefetch_arrays): Likewise.
671 (remove_empty_loops): Likewise.
672 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
673 TODO_cleanup_cfg instead of directly calling
674 cleanup_tree_cfg_loop.
675 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
677 (tree_unroll_loops_completely): Likewise.
678 (remove_empty_loops): Likewise.
679 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
680 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
681 of tree_ssa_unswitch_loops.
682 (tree_ssa_loop_ivcanon): Use the return value of
683 canonicalize_induction_variables.
684 (tree_ssa_empty_loop): Use the return value of
686 (tree_complete_unroll): Use the return value of
687 tree_unroll_loops_completely.
688 (tree_ssa_loop_prefetch): Use the return value of
689 tree_ssa_prefetch_arrays.
690 * passes.c (execute_todo): Before Cleanup CFG, set
691 updating_used_alone and after cleanup CFG, call
692 recalculate_used_alone.
694 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
697 * tree-vect-transform.c (vectorizable_condition): Move the check
698 for the type after the check for simple condition.
700 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
701 Kaz Kojima <kkojima@gcc.gnu.org>
704 * mode-switching.c (optimize_mode_switching): Make the destination
705 block of an abnormal edge have no anticipatable mode. Don't
706 insert mode switching code at the end of the source block of
709 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
711 PR rtl-optimization/26847
712 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
713 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
714 (simplify_plus_minus): Count n_constants while filling ops. Replace
715 qsort with insertion sort. Before going through the array to simplify
716 pairs, sort it. Delay early exit until after the first sort, exiting
717 only if no swaps occurred. Simplify pairs in reversed order, without
718 special-casing the first iteration. Pack ops after simplifying pairs.
720 2006-09-05 Anatoly Sokolov <aesok@post.ru>
722 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
723 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
724 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
725 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
727 2006-09-05 Richard Guenther <rguenther@suse.de>
729 PR tree-optimization/28900
730 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
731 compound conditional before creating COND_EXPR condition.
733 2006-09-05 Richard Guenther <rguenther@suse.de>
735 PR tree-optimization/28905
736 * tree-vrp.c (fix_equivalence_set): Manually implement
737 !value_ranges_intersect_p to also handle symbolic ranges.
739 2006-09-05 Richard Guenther <rguenther@suse.de>
742 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
745 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
747 PR rtl-optimization/27616
748 * cse.c (table_size): New static variable.
749 (new_basic_block): Initialize it to 0.
750 (remove_from_table): Decrement it.
751 (insert): Increment it.
752 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
753 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
754 fold_rtx_mem_1 if under the cap.
755 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
756 the lookup of the equivalent expression and test for equality of the
757 first operand of the equivalent expression before in turn looking up
758 an equivalent constant for the second operand.
760 2006-09-02 Geoffrey Keating <geoffk@apple.com>
763 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
764 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
765 pointer, instead of assuming it is possible to derive the
766 correct args size from a call insn.
768 2006-09-02 Jakub Jelinek <jakub@redhat.com>
771 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
772 (fold_builtin_mempcpy): Rename to...
773 (fold_builtin_memory_op): ... this. Optimize one element copy
775 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
777 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
778 (expand_builtin_memcpy, expand_builtin_mempcpy,
779 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
780 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
781 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
782 BUILT_IN_MEM{CPY,PCPY,MOVE}.
784 2006-09-01 DJ Delorie <dj@redhat.com>
786 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
788 ("stzx_24_<mode>"): Likewise.
789 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
790 ("cmp<mode>_op"): New.
791 (cmp<mode>): Change to expander; just save operands.
793 (b<code>): Change to expander, emit compare here.
794 (s<code>_op): Change to use split and expander.
795 (s<code>_24_op): Likewise.
796 (s<code>_<mode>): New.
797 (s<code>_<mode>_24): New.
798 (movqicc_<code>_<mode): New.
799 (movhicc_<code>_<mode>): New.
802 * config/m32c/m32c.c (compare_op0, compare_op1): New.
803 (m32c_pend_compare): New.
804 (m32c_unpend_compare): New.
805 (m32c_expand_scc): New.
806 (m32c_expand_movcc): Emit the compare also.
807 * config/m32c/predicates.md (mra_nopp_operand): New.
809 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
810 Richard Guenther <rguenther@suse.de>
811 Adam Nemet <anemet@caviumnetworks.com>
814 * builtins.c (get_pointer_alignment): Handle more forms
815 of base addresses that can be used to derive more precise
816 information about alignment.
818 2006-09-01 Jason Merrill <jason@redhat.com>
821 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
824 * gimplify.c (voidify_wrapper_expr): Handle null type.
826 2006-09-01 Josh Conner <jconner@apple.com>
829 * tree-nrv.c (dest_safe_for_nrv_p): New function.
830 (execute_return_slot_opt): Use it.
832 2006-08-31 Josh Conner <jconner@apple.com>
835 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
836 returning aggregates.
838 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
840 PR tree-optimization/28839
841 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
842 blocks in that phi arguments appear.
844 2006-08-31 Roger Sayle <roger@eyesopen.com>
847 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
848 NULL, otherwise use an advance_loc4 to adjust relative to the
850 (output_cfi) <DW_CFA_set_loc>: Update the current label.
851 (dwarf2out_switch_text_section): Reset the current label to avoid
852 using advance_loc4 over section boundaries.
854 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
857 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
858 r12 + SYMBOLIC_CONST.
860 2006-08-30 Richard Guenther <rguenther@suse.de>
862 * Makefile.in (see.o): Add $(EXPR_H) dependency.
864 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
866 PR rtl-optimization/27735
867 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
868 Add new argument to keep track of whether an irreducible region
869 was affected. All callers changed.
870 (fix_irreducible_loops): Removed.
871 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
872 flags were invalidated.
874 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
876 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
877 instead of SF operands.
878 (*fop_df_comm_sse): Likewise.
879 (*fop_df_comm_i387): Likewise.
880 (*fop_df_1_mixed): Likewise.
881 (*fop_df_1_sse): Likewise.
883 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
884 J"orn Rennecke <joern.rennecke@st.com>
886 PR tree-optimization/17506
887 * tree-ssa.c (warn_uninit): If warning about a location outside of
888 the current function, note where the variable was declared.
890 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
892 PR tree-optimization/28411
893 * double-int.c (double_int_div): Use double_int_divmod.
894 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
895 double_int_mod, double_int_smod, double_int_umod): New functions.
896 * double-int.h (double_int_divmod, double_int_sdivmod,
897 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
899 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
901 (get_computation_aff, get_computation_cost_at): Handle double_int
902 return type of constant_multiple_of.
904 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
907 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
908 an implicit conversion.
910 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
912 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
914 2006-08-27 Roger Sayle <roger@eyesopen.com>
916 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
919 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
921 * config/i386/crtfastmath.c: Fix a comment typo.
923 2006-08-26 Roger Sayle <roger@eyesopen.com>
925 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
926 temporary visit flags on CASE_LABEL_EXPRs.
927 * c-common.c (match_case_to_enum): Add function comment. Avoid
928 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
929 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
930 CASE_HIGH_SEEN for enumerated types. If the switch expression is
931 a constant, only warn if that constant value isn't handled.
933 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
936 * input.h (restore_input_file_stack): Declare.
937 (INPUT_FILE_STACK_BITS): Define.
938 * toplev.c (fs_p, input_file_stack_history,
939 input_file_stack_restored, restore_input_file_stack): New.
940 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
941 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
942 (pop_srcloc): Don't free old state of stack.
944 2006-08-26 David Edelsohn <edelsohn@gnu.org>
947 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
948 (PowerPC Type Attributes): New.
950 2006-08-26 Bob Wilson <bob.wilson@acm.org>
952 * config/xtensa/xtensa.c (function_arg_boundary): New.
953 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
955 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
956 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
958 2006-08-26 Jakub Jelinek <jakub@redhat.com>
961 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
964 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
966 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
967 (verify_local_live_at_start): Likewise.
969 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
972 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
973 omp_add_variable): Treat sizes as variable whenever not
976 2006-08-26 Richard Guenther <rguenther@suse.de>
979 * fold-const.c (fold_binary): Fold temporary to correct
980 type before constructing new comparison.
982 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
985 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
986 variable again if DECL_SEEN_IN_BIND_EXPR_P.
988 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
991 * c-decl.c (start_function): Don't try to process prototype
992 information from old declaration that isn't a function.
994 2006-08-25 Jan Hubicka <jh@suse.cz>
997 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
999 2006-08-25 Alan Modra <amodra@bigpond.net.au>
1002 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
1005 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
1007 PR tree-optimization/16876
1008 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
1009 exit if PARM doesn't match VALUE.
1011 2006-08-25 Bob Wilson <bob.wilson@acm.org>
1013 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
1014 literal_prefix directive.
1015 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
1016 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1017 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1019 2006-08-25 David Edelsohn <edelsohn@gnu.org>
1022 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
1023 predicate to general_operand. Add 0->y and I->r alternatives.
1025 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
1027 * doc/tm.texi: Fix a typo.
1028 * predict.c: Fix comment typos.
1030 2006-08-25 Nick Clifton <nickc@redhat.com>
1032 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
1033 assertions of "cpu" and "machine".
1035 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
1038 * tree-ssa-operands.c (access_can_touch_variable): Don't say
1039 the access through a base which has an alias set of 0 cannot
1042 2006-08-24 Bill Wendling <wendling@apple.com>
1044 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
1046 2006-08-24 Jan Hubicka <jh@suse.cz>
1048 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
1050 2006-08-24 Jan Hubicka <jh@suse.cz>
1053 * cgraph.c: Fix comments.
1054 (cgraph_varpool_mark_needed_node): Mark only variables not already
1056 * cgraphunit.c: Update comments; include gt-cgraphunit.h
1057 (cgraph_varpool_assembled_nodes_queue): New static variable.
1058 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
1059 (cgraph_varpool_output_debug_info): New function.
1060 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
1061 * Makefile.in: Add gt-cgraphunit.h
1063 2006-08-24 Jan Hubicka <jh@suse.cz>
1065 * predict.c (probability_reliable_p): New predicate.
1066 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
1067 (predict_loops): Do not predict loop exit with less than 2%
1069 * basic-block.h (edge_probability_reliable_p,
1070 br_prob_note_reliable_p): Declare.
1071 * ia64.h (ia64_print_operand): Do not disable on-chip branch
1072 prediction when static predictor is not reliable.
1073 * rs6000.c (output_cbranch): Likewise.
1075 2006-08-23 Stuart Hastings <stuart@apple.com>
1078 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
1079 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
1081 2006-08-21 Geoffrey Keating <geoffk@apple.com>
1084 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
1085 complex values, nor for generic vector values.
1087 2006-08-22 Richard Guenther <rguenther@suse.de>
1090 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
1091 parameter. Convert arguments to arithmetic expression to the
1093 (analyze_scalar_evolution_1): Adjust caller.
1095 2006-08-22 Jan Hubicka <jh@suse.cz>
1097 Patch by Paolo Bonzini
1098 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
1101 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
1103 PR tree-optimization/28003
1104 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
1105 before grouping aliases.
1107 2006-08-22 Roger Sayle <roger@eyesopen.com>
1109 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
1110 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
1112 2006-08-21 Jason Merrill <jason@redhat.com>
1115 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
1116 wrapper. Loop to handle nested wrappers.
1117 (gimplify_bind_expr): Remove temp parameter.
1118 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
1119 and STATEMENT_LIST on the rhs.
1120 (gimplify_statement_list): Voidify the STATEMENT_LIST.
1121 (gimplify_expr): Pass pre_p to gimplify_statement_list.
1122 (gimplify_target_expr): Remove special BIND_EXPR handling.
1124 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
1126 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
1129 2006-08-21 Olivier Hainque <hainque@adacore.com>
1131 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
1132 Arrange for the temporary captures of components overlapping the lhs
1133 to happen before the lhs is possibly cleared.
1135 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
1137 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
1138 necessary places to pass the correct "number of registers" values
1141 2006-08-20 Jan Hubicka <jh@suse.cz>
1143 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
1144 (create_name_tags): Instead of quadratic checking use hashtable.
1145 * bitmap.h: Include hashtab.h.
1146 (bitmap_hash): Declare.
1147 * bitmap.c (bitmap_hash): New function.
1149 2006-08-20 Jan Hubicka <jh@suse.cz>
1151 PR rtl-optimization/28071
1152 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
1154 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
1155 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
1156 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
1157 cgraph_decide_inlining_incrementally): Update use of
1158 cgraph_check_inline_limits.
1159 * cgraph.c (edge_hash, edge_eq): New function.
1160 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
1161 cgraph_edge_remove_caller, cgraph_node_remove_callees,
1162 cgraph_remove_node): Maintain call site hash.
1163 * cgraph.h (struct cgraph_node): Add call_site_hash.
1164 (cgraph_set_call_stmt): New function.
1166 2006-08-20 Jan Hubicka <jh@suse.cz>
1168 PR rtl-optimization/28071
1169 * reload1.c (reg_has_output_reload): Turn into regset.
1170 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
1171 choose_reload_regs, emit_reload_insns): Update to new
1172 reg_has_output_reload.
1174 2006-08-20 Jan Hubicka <jh@suse.cz>
1177 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
1178 function body sizes.
1179 * cgraphunit.c (cgraph_analyze_function): Don't do so.
1181 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
1184 * tree.c (handle_dll_attribute): Return early if not a
1185 var or function decl.
1187 2006-08-18 Joseph Myers <joseph@codesourcery.com>
1190 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
1191 alignment of SPE vector types.
1193 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
1195 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
1197 2006-08-17 Jakub Jelinek <jakub@redhat.com>
1200 * cgraph.h (struct cgraph_node): Remove externally_visible
1202 * cgraphunit.c (process_function_and_variable_attributes): Set
1203 local.externally_visible rather than externally_visible.
1206 * c-common.c (handle_externally_visible_attribute): First look
1207 at TREE_CODE and only if it is function or var decl, check for
1208 non-public objects. Don't warn for DECL_EXTERNAL.
1209 * cgraphunit.c (process_function_and_variable_attributes): Warn
1210 if externally_visible attribute is used on non-public object.
1212 2006-08-17 Jan Hubicka <jh@suse.cz>
1214 PR tree-optimization/27865
1215 * reload1.c (forget_marked_reloads): New function.
1216 (forget_old_reloads_1): When data are passed, just mark the registers
1218 (reload_as_needed): Use the new mechanizm.
1220 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
1223 * reload.h (reg_equiv_alt_mem_list): New declaration.
1224 * reload1.c (reg_equiv_alt_mem_list): New definition.
1225 (reload): Initialize it and release it.
1226 (delete_output_reload): Use it.
1227 * reload.c (push_reg_equiv_alt_mem): New function.
1228 (find_reloads_toplev): Call it.
1229 (find_reloads_address, find_reloads_address_1): Likewise.
1230 (find_reloads_subreg_address): Likewise.
1232 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1234 PR rtl-optimization/28489
1235 * sched-ebb.c (begin_schedule_ready): Create basic block
1237 (advance_target_bb): Skip empty blocks.
1238 * haifa-sched.c (bb_note): Make global.
1239 * sched-int.h (bb_note): Add prototype.
1241 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1243 PR tree-optimization/27865
1244 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
1246 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
1247 fold_used_pointer, pointer_used_p): New functions.
1248 (analyze_scalar_evolution_1): Use fold_used_pointer.
1249 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
1250 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
1253 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
1256 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
1257 or the INTEGER_CST. Fail on a CALL_EXPR.
1258 (fold_offsetof): Pass new argument to fold_offsetof_1.
1259 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
1260 operand into an INDIRECT_REF.
1261 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
1263 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1265 PR gcov/profile/26570
1266 * value-prof.c (static_values): Removed.
1267 (tree_find_values_to_profile): Do not set static_values.
1268 (find_values_to_profile): Do not free static_values.
1269 * profile.c (instrument_values): Do not free the values.
1270 (branch_prob): Free the values.
1272 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
1274 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
1276 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
1279 * c-typeck.c (build_component_ref): Combine qualifiers of
1280 structure or union and field.
1282 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1284 PR rtl-optimization/28071
1285 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
1286 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
1287 * tree-into-ssa.c (struct dom_dfsnum): New.
1288 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
1290 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
1291 compute_global_livein.
1292 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
1293 in phi nodes in the correct blocks.
1295 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1297 PR tree-optimization/28364
1298 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
1300 (fold_affine_expr): New function.
1301 (may_eliminate_iv): Use fold_affine_expr.
1303 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1306 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
1309 2006-08-16 Mike Stump <mrs@apple.com>
1311 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
1312 * doc/cppopts.texi (-MD): Likewise.
1314 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
1317 * c-common.c (handle_weak_attribute): Ignore and warn if
1318 not a FUNCTION_ or VAR_DECL.
1320 2006-07-15 Mike Stump <mrs@apple.com>
1323 * c-parser.c (c_parser_typeof_specifier): Don't use
1324 c_finish_expr_stmt, open code desired semantics instead.
1326 2006-08-15 Nick Clifton <nickc@redhat.com>
1328 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
1329 fragment to tmake_file only if threads are enabled.
1330 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
1331 * config/i386/t-gthr-win32: New file. ... here.
1333 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1336 * c-parser.c (c_parser_compound_statement_nostart): Reset
1337 parser->error after each statement.
1339 2006-08-15 Jakub Jelinek <jakub@redhat.com>
1342 * omp-low.c (lower_omp_parallel): Convert t to
1343 receiver_decl's type.
1344 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
1345 source before comparison.
1348 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
1349 to itype in assignment to oldival2.
1351 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
1355 * c-typeck.c (build_compound_expr): If the second expression
1356 is an error mark, then just return an error mark instead of
1357 creating a COMPOUND_EXPR.
1359 2006-07-14 Mike Stump <mrs@apple.com>
1361 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
1363 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
1365 * c-decl.c, var-tracking.c: Fix comment typos.
1367 2006-08-14 Richard Sandiford <richard@codesourcery.com>
1369 PR rtl-optimization/28634
1370 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
1371 for floating-point modes unless flag_unsafe_math_optimizations.
1373 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
1374 Andrew Pinski <pinskia@physics.uc.edu>
1377 * tree.c (build_array_type): Unify array types with
1378 unspecified index_type.
1379 * c-decl.c (grokdeclarator): Make sure we do not modify a
1380 unified incomplete array type.
1381 * c-typeck.c (store_init_value): Create distinct type before
1382 filling in the index type in an initializer from a compound
1385 * c-decl.c (grokdeclarator): Remove code where we copy the
1388 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
1390 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
1391 into account for TODO_dump_cgraph.
1392 (TODO_update_ssa_no_phi): Likewise.
1393 (TODO_update_ssa_full_phi): Likewise.
1394 (TODO_update_ssa_only_virtuals): Likewise.
1395 (TODO_remove_unused_locals): Likewise.
1396 (TODO_set_props): Likewise.
1397 (TODO_update_stmt_usage): Likewise.
1399 2006-08-13 Dirk Mueller <dmueller@suse.de>
1401 * c-common.c (strict_aliasing_warning): Fix formatting.
1403 2006-08-13 Matthias Klose <doko@debian.org>
1405 * doc/invoke.texi: Fix spelling errors.
1407 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1409 PR rtl-optimization/23454
1410 * reorg.c (relax_delay_slots): Update comment.
1412 2006-08-11 Richard Guenther <rguenther@suse.de>
1415 * simplify-rtx.c (simplify_const_relational_operation):
1416 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
1419 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
1421 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
1422 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
1424 2006-08-10 Paul Brook <paul@codesourcery.com>
1426 * final.c (final_scan_insn): Clear current_insn_predicate before
1427 outputting inline asm.
1429 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
1431 PR tree-optimization/26197
1432 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
1433 get_ref_base_and_extent and overlap_subvar to add only relevant
1434 subvars as may-aliases.
1435 (add_may_alias_for_new_tag): New function, factored out of
1437 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
1438 with additional argument.
1439 * tree-flow.h (new_type_alias): Takes additional argument.
1441 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
1443 * gcov.c (no_data_file): New flag.
1444 (read_count_file): Set it if data file not present. Assume counts
1446 (output_lines): Don't name the data file, if there wasn't one.
1448 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
1450 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
1451 (rs6000_generate_compare): Tweak comments.
1452 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
1454 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
1456 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
1457 (var_debug_decl): New function.
1458 (var_reg_set): Follow debug decl link. Add location even if
1459 reg is already known to hold some other variable.
1460 (var_mem_set): Follow debug decl link.
1461 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
1462 decl link. Delete other known locations of the variable part
1464 (var_reg_delete, var_mem_delete): Delete other known locations
1465 of the variable part if requested.
1466 (same_variable_part_p): New function.
1467 (add_stores): Select MO_COPY when appropriate.
1468 (vt_initialize): Handle it.
1469 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
1470 known locations for MO_SET and MO_CLOBBER.
1471 (find_variable_location_part): New function.
1472 (set_variable_part, delete_variable_part): Use it.
1473 (clobber_variable_part): New function.
1474 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
1477 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
1479 PR tree-optimization/26969
1480 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
1481 with an empty list of PHIs.
1483 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
1487 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
1490 2006-08-06 Andreas Schwab <schwab@suse.de>
1492 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
1493 string. Whitespace and comment fixup.
1495 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1498 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
1502 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
1505 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
1507 2006-08-04 Jan Hubicka <jh@suse.cz>
1511 * reload.c (push_reload): Patch out the mismatching instruction;
1513 (find_reload): Bail out if the instruction was patched out.
1515 2006-08-04 Jan Hubicka <jh@suse.cz>
1517 PR tree-optimization/24888
1518 * tree-inline.c (expand_call_inline): Do not re-record variables.
1519 (declare_inline_vars): Add variable to unexpanded_var_list.
1521 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1522 Roger Sayle <roger@eyesopen.com>
1524 PR rtl-optimization/26244
1525 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
1526 inner_const are negative or greater than or equal to the bitsize of
1527 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
1528 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
1529 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
1530 CONST0_RTX (mode) when the new shift count is greater than or equal to
1531 to the bitsize of the object being shifted and XEXP (y, 0) has no side
1534 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
1536 * tree-cfg.c: Fix a comment typo.
1538 2006-08-03 Mark Mitchell <mark@codesourcery.com>
1541 * varasm.c (output_constant): Give the front end another chance to
1542 expand constants, after stripping NOPs.
1544 2006-08-03 Jan Hubicka <jh@suse.cz>
1546 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
1549 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
1551 PR tree-optimization/27770
1552 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
1553 declaration removed (moved to tree-flow.h).
1554 (vect_can_force_dr_alignment_p): Likewise.
1555 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
1556 (moved from tree-vectorizer.h).
1557 (vect_can_force_dr_alignment_p): Likewise.
1558 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
1559 from outside the vectorizer - in particular from cgraph stage.
1560 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
1561 the alignment of global arrays when -fsection-anchors is enabled.
1562 * cgraphunit.c (cgraph_increase_alignment): New function.
1563 (cgraph_optimize): Call cgraph_increase_alignment.
1565 2006-08-03 David Edelsohn <edelsohn@gnu.org>
1568 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
1569 not reload a SPE symbol_ref into a lo_sum address.
1571 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
1574 * dwarf2out.c (prune_unused_types_prune): Move call to
1575 prune_unused_types_update_strings to cover the parent DIE also.
1577 2006-08-02 Jan Hubicka <jh@suse.cz>
1579 PR gcov/profile/28480
1580 * tree-cfg.c (change_bb_for_stmt): New function.
1581 (tree_merge_blocks, tree_split_blocks): Use it.
1583 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1589 * toplev.c (compile_file): Return early on errorcount or sorrycount.
1590 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
1591 (cgraph_optimize): Likewise.
1593 2006-08-01 Stuart Hastings <stuart@apple.com>
1595 * rtl.h (UINTVAL) New.
1596 * config/rs6000/rs6000.c (SMALL_INT) Use it.
1597 * testsuite/gcc.dg/20060801-1.c: New.
1599 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
1602 * c-typeck.c (build_external_type): Mark used enum types.
1603 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
1605 (gen_subprogram_die): Whitespace fix.
1607 2006-08-01 Jan Hubicka <jh@suse.cz>
1609 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
1610 bitmap when not needed.
1611 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
1614 2006-08-01 Dirk Mueller <dmueller@suse.de>
1616 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
1618 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1620 * Makefile.in: Revert part of previous patch:
1621 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
1624 2006-07-30 Eric Christopher <echristo@apple.com>
1627 * doc/extend.texi (i386 Variable Attributes): Add anchor.
1628 (PowerPC Variable Attributes): New section.
1630 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
1632 PR target/28126 (partial fix)
1633 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
1635 2006-07-28 Jan Hubicka <jh@suse.cz>
1637 PR rtl-optimization/28071
1638 * cfgrtl.c (rtl_delete_block): Free regsets.
1639 * flow.c (allocate_bb_life_data): Re-use regsets if available.
1641 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1643 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
1644 and variables used in dependencies.
1646 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
1648 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
1649 %fs for -mcmodel=kernel.
1650 (stack_tls_protect_test_di): Likewise.
1652 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
1654 * Makefile.in: Use mkinstalldirs.
1656 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
1659 * opts-common.c (prune_options): Skip joined switches.
1661 2006-07-27 Jan Hubicka <jh@suse.cz>
1663 PR rtl-optimization/28071
1664 * cselib.c (cselib_process_insn): Don't remove useless values too
1665 often for very large hashtables.
1667 2006-07-27 Jan Hubicka <jh@suse.cz>
1669 PR rtl-optimization/28071
1670 * global.c (greg_obstack): New obstack.
1671 (allocate_bb_info): Use it.
1672 (free_bb_info): Likewise.
1673 (modify_reg_pav): Likewise.
1675 2006-07-27 Roger Sayle <roger@eyesopen.com>
1677 * builtins.c (fold_fixed_mathfn): When long and long long are the
1678 same size, canonicalize llceil*, llfloor*, llround* and llrint*
1679 functions to their lceil*, lfloor*, lround* and lrint* forms.
1681 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1684 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
1686 (rev_branch_insn): Likewise.
1688 2006-07-27 Jan Hubicka <jh@suse.cz>
1690 PR rtl-optimization/28071
1691 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
1692 (reg_set_in_bb, max_reg_computed): New static variables.
1693 (regmove_optimize): Free the new array.
1694 (fixup_match_1): Update call of reg_is_remote_constant_p.
1696 2006-07-26 Jan Hubicka <jh@suse.cz>
1698 PR tree-optimization/27882
1699 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
1701 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
1703 (cgraph_analyze_compilation_unit): Likewise.
1704 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
1705 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
1706 (cgraph_early_inlinine): Make order garbage collected.
1707 * Makefile.in (gt-ipa-inline): New garbagecollected file.
1709 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1711 * dbxout.c (output_types_sort): Add a comment.
1712 (output_used_types): Free the VEC.
1714 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1716 * function.c (reorder_fix_fragments): Delete.
1717 (reorder_blocks): Don't call it.
1718 (reorder_blocks_1): Put all subblocks under the origin block.
1720 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
1722 PR rtl-optimization/27907
1723 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
1726 2006-07-25 Roger Sayle <roger@eyesopen.com>
1729 * convert.c (convert_to_integer): When transforming (T)foo(x) into
1730 bar(x) check that bar's result type can represent all the values of T.
1732 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
1734 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
1736 2006-07-25 Nick Clifton <nickc@redhat.com>
1738 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
1739 size_lookup[] array.
1740 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
1741 (ggc_pch_count_object): Likewise.
1742 (ggc_pch_alloc_object): Likewise.
1743 (ggc_pch_write_object): Likewise.
1744 (init_ggc): Do not attempt to initialize entries in the
1745 size_lookup[] array for objects whose size is greater than than
1746 the length of the array.
1748 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
1750 * dbxout.c (output_used_types_helper): Push queued types
1752 (output_types_sort): New.
1753 (output_used_types): Collect used types on a VEC and sort them
1756 2006-07-24 Richard Guenther <rguenther@suse.de>
1759 * cgraph.c (cgraph_remove_node): Do not check if dumps
1761 * cgraphunit.c (cgraph_optimize): Likewise.
1763 2006-07-24 Jan Hubicka <jh@suse.cz>
1765 PR rtl-optimization/28071
1766 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
1767 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
1768 splitting before first stmt.
1770 2006-07-24 Jan Hubicka <jh@suse.cz>
1772 PR rtl-optimization/28071
1773 * ipa-inline.c (update_caller_keys): Remove edges that
1774 are no longer inline candidates.
1776 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
1779 * dbxout.c (output_used_types_helper, output_used_types): New.
1780 (dbxout_symbol): Call output_used_types.
1782 2006-07-23 Jan Hubicka <jh@suse.cz>
1786 * cgraph.c (cgraph_varpool_nodes): Export.
1787 (decide_is_variable_needed): Ignored "used" attribute in
1788 unit-at-a-time mode.
1789 * cgraph.h (cgraph_varpool_nodes): Declare.
1790 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
1791 unit-at-a-time mode.
1793 2006-07-23 Roger Sayle <roger@eyesopen.com>
1796 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
1797 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
1798 the __gthrw form of thr_keycreate.
1799 (__gthread_key_delete): Silence the unused argument warning.
1801 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
1804 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
1805 Cache the last found '\0' marker to avoid quadratic behavior.
1807 2006-07-23 Jan Hubicka <jh@suse.cz>
1809 * i386.md (subsi_3_zext): Fix output template.
1811 2006-07-21 Mike Stump <mrs@apple.com>
1813 * doc/invoke.texi (C++ Dialect Options): Note that
1814 -fvisibility-inlines-hidden doesn't affect explicitly
1815 instantiationed inline methods.
1817 2006-07-20 Roger Sayle <roger@eyesopen.com>
1819 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
1820 if the target assembler is GNU binutils' gas.
1821 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
1822 whether to pass GNU gas or native as command line options.
1824 2006-07-20 Jason Merrill <jason@redhat.com>
1826 * tree.c (remove_attribute): New fn.
1827 * tree.h: Declare it.
1829 2006-07-20 Paul Brook <paul@codesourcery.com>
1832 * cse.c (cse_insn): Add destination addresses to hash table. Check if
1833 they are invalidated by this instruction.
1835 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
1838 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
1840 2006-07-20 Eric Christopher <echristo@apple.com>
1843 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
1845 2006-07-19 Eric Christopher <echristo@apple.com>
1847 * config/t-slibgcc-darwin (stmp-lipo): Remove.
1848 Rewrite dependencies for libgcc_s.1.dylib.
1850 2006-07-19 Jakub Jelinek <jakub@redhat.com>
1852 * except.c (duplicate_eh_regions_1): Clear next_peer.
1854 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
1856 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
1857 -mlongcall does not guarantee all calls will be long.
1858 * doc/extend.texi (long_call/short_call): Document that longcall
1859 does not guarantee a long call will be used.
1860 (longcall/shortcall): Likewise.
1862 2006-07-18 Roger Sayle <roger@eyesopen.com>
1865 * expmed.c (expand_shift): Additionally check that the shift_cost
1866 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
1867 before implementing a LSHIFT_EXPR as a sequence of additions.
1868 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
1869 middle-end that DImode shifts need to be synthesized by expand.
1871 2006-07-18 Diego Novillo <dnovillo@redhat.com>
1874 * tree-ssa-operands.c (access_can_touch_variable): Update
1876 Return true if ALIAS is .GLOBAL_VAR.
1878 2006-07-18 David Daney <ddaney@avtrex.com>
1880 * gcc.c (display_help): Fix typo in help text.
1882 2006-07-18 Olivier Hainque <hainque@adacore.com>
1884 * tree.h (categorize_ctor_elements): Adjust prototype and add
1885 descriptive comment, both in accordance with the interface change
1887 * varasm.c (constructor_static_from_elts_p): New function.
1888 Whether a constructor node is a valid static constant initializer
1889 if all its elements are.
1890 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
1891 * output.h: Declare it.
1892 * expr.c (categorize_ctor_elements_1): Return whether the constructor
1893 is a valid constant initializer instead of computing the number of
1894 non-constant elements. Use constructor_static_from_elts_p for this
1895 purpose. Replace the head comment with an indication that this is a
1896 helper for categorize_ctor_elements.
1897 (categorize_ctor_elements): Same interface change as for the _1
1898 helper. Former head comment from this helper moved here, adjusted to
1899 account for the interface changes.
1900 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
1901 (all_zeros_p): Likewise.
1902 * gimplify.c (gimplify_init_constructor): Decide whether we can make
1903 static versions of the constructor from the categorize_ctor_elements
1904 return value instead of the formerly computed number of non-constant
1907 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
1909 * configure: Regenerate.
1910 * Makefile.in (build_libsubdir): New configure substitution
1911 (build_libobjdir): New variable.
1912 (BUILD_LIBIBERTY): Use it.
1914 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1917 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
1919 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
1922 * c-common.c (handle_weakref_attribute): Ignore attribute in
1923 the same conditions the alias attribute is ignored.
1925 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
1927 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
1928 (dbxout_begin_prologue): Increment scope_labelno.
1930 2006-07-17 Richard Henderson <rth@redhat.com>
1933 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
1936 2006-07-17 Roger Sayle <roger@eyesopen.com>
1937 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1939 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
1940 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
1941 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
1942 functions such as sbrk, write, etc.. Add function prototypes.
1943 Convert function declarations from K&R to ISO C. Cast pointers
1944 to "long" and "unsigned long" instead of "int" and "unsigned int".
1945 Convert tokens following #endif into comments.
1947 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
1949 * invoke.texi: Remove mention of f77; Reformat table for
1950 inline parameter options correctly; mention that -malign-double
1951 is default on x86-64 targets.
1953 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
1955 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
1956 (convert_affine_scev, chrec_convert_aggressive): Use
1957 avoid_arithmetics_in_type_p. Do not check for the subtypes
1960 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1963 * optabs.c (expand_doubleword_shift): Wrap the call to
1964 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
1966 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1969 * optabs.c (expand_binop): Pass next_methods rather than methods
1970 to expand_doubleword_shift.
1972 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
1975 * tree.h (dump_addr): Declare.
1976 * print-tree.c (dump_addr): New function.
1977 (print_node_brief, print_node): Use it.
1978 * print-rtl.c (print_rtx): Likewise.
1979 * common.opt (-fdump-noaddr): New option.
1980 * doc/invoke.texi (-fdump-noaddr): Document.
1981 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
1982 (ve_info_hash): Likewise.
1984 2006-07-13 Andrew Haley <aph@redhat.com>
1986 PR tree-optimization/19505
1987 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
1988 edge leaving this block, make sure that the destination of this
1989 block has only one predecessor.
1991 2006-07-17 Richard Guenther <rguenther@suse.de>
1993 PR tree-optimization/28238
1994 * tree-inline.c (copy_bb): Check if we produced valid
1995 gimple copying and substituting a stmt. If not, gimplify
1998 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
2000 * optabs.c (maybe_encapsulate_block): New function extracted from...
2001 (emit_libcall_block): ...here. Invoke it on the block of insns to
2002 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
2003 (emit_no_conflict_block): Likewise.
2005 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
2007 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
2009 2006-07-15 Roger Sayle <roger@eyesopen.com>
2011 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
2012 a new NOP_EXPR case of the switch statement.
2014 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
2017 * stor-layout.c (place_field): Take the bit field with
2018 an excessive size into account in the ms-bitfiled case.
2021 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
2022 the previous bit field.
2024 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
2027 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
2029 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
2031 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
2032 signal frames correctly even when the signal was installed with
2035 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
2037 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
2038 (dbxout_function_end): Use local label LFBB. Remove hook
2040 (dbxout_source_line): Use local label LFBB.
2041 (dbxout_block): Likewise.
2042 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
2043 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
2044 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
2045 and DBX_OUTPUT_NFUN.
2047 2006-07-13 Janis Johnson <janis187@us.ibm.com>
2049 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
2051 2006-07-13 Jan Hubicka <jh@suse.cz>
2053 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
2055 * output.h (align_variable): Declare.
2056 * varasm.c (align_variable): Export.
2057 * value-prof.c (tree_value_profile_transformations): Recompute iterator
2058 when basic block changed.
2060 2006-07-13 Nick Clifton <nickc@redhat.com>
2062 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
2063 walking the LOG_LINKS chain.
2065 2006-07-12 Geoffrey Keating <geoffk@apple.com>
2067 * doc/invoke.texi (C++ Dialect Options): Explain difference
2068 between -fvisibility-inlines-hidden and setting hidden
2069 visibility explicitly.
2071 2006-07-12 Eric Christopher <echristo@apple.com>
2073 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
2074 (stmp-lipo): Depend on libgcc.a.
2076 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
2078 * tree.c: Fix a comment typo.
2080 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
2082 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
2084 (umulhisi3_r): Likewise.
2086 2006-07-12 Paolo Carlini <pcarlini@suse.de>
2089 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
2090 x < 19, vs wchar_t support.
2092 2006-07-12 Nick Clifton <nickc@redhat.com>
2094 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
2095 instead of -isa=sh4.
2097 2006-07-12 Mike Stump <mrs@apple.com>
2099 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
2101 2006-07-10 Eric Christopher <echristo@apple.com>
2103 * config/t-slibgcc-darwin: Rewrite.
2105 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2108 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
2111 2006-07-08 Matthias Klose <doko@debian.org>
2113 * doc/sourcebuild.texi: Fix typo.
2115 2006-07-07 Mike Stump <mrs@apple.com>
2117 * toplev.c (process_options): Don't give -ffunction-sections may
2118 affect debugging warning for Mach-O.
2120 2006-07-07 James E Wilson <wilson@specifix.com>
2122 * config/mips/mips.md (cpu): Add sb1a.
2123 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
2124 addition to sb1. Adjust comments to clarify SB-1A differences from
2126 (ir_sb1a_load): New. Modify bypasses to use it.
2127 (ir_sb1a_simple_alu): Likewise.
2128 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
2129 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
2130 (mips_issue_rate): Add PROCESSOR_SB1A.
2131 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
2132 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
2133 (TARGET_SB1): Add PROCESSOR_SB1A check.
2134 (TUNE_SB1): Likewise.
2136 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
2137 * config/mips/mips.c (mips_store_data_bypass_p): New.
2138 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
2139 store_data_bypass_p.
2141 2006-07-08 Paul Brook <paul@codesourcery.com>
2144 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
2146 2006-07-07 Richard Guenther <rguenther@suse.de>
2149 * tree.h (build_one_cst): Declare.
2150 * tree.c (build_one_cst): New function.
2151 * tree-ssa-math-opts.c (get_constant_one): Remove.
2152 (insert_reciprocals): Use build_one_cst.
2153 * fold-const.c (fold_plusminus_mult): Likewise.
2155 2006-07-07 Roger Sayle <roger@eyesopen.com>
2157 * pointer-set.c (pointer_set_destroy): Correct whitespace.
2158 * cfgloopanal.c (dump_graph): Likewise.
2159 * dojump.c (discard_pending_stack_adjust): Likewise.
2160 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
2162 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
2163 * function.c (finalize_block_changes): Likewise.
2164 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
2165 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
2166 * rtl.c (dump_rtx_statistics): Likewise.
2167 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
2169 * varray.c (dump_varray_statistics): Likewise.
2170 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
2171 decode_decimal64, encode_decimal128, decode_decimal128,
2172 decimal_real_to_decimal): Likewise.
2174 2006-07-07 Richard Guenther <rguenther@suse.de>
2176 PR tree-optimization/28187
2177 * tree-vrp.c (vrp_operand_equal_p): New function.
2178 (vrp_bitmap_equal_p): Likewise.
2179 (update_value_range): Use them to compare old and new
2182 2006-07-06 Roger Sayle <roger@eyesopen.com>
2184 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
2185 a default case to switch statement to silence compiler warnings.
2187 2006-07-06 Roger Sayle <roger@eyesopen.com>
2190 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
2191 the configured assembler supports the x87's ffreep mnemonic.
2192 * configure: Regenerate.
2193 * config.in: Regenerate.
2195 * config/i386/i386.c (output_387_ffreep): New function.
2196 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
2197 (output_387_reg_move): Likewise.
2199 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
2201 Port to hosts whose 'sort' and 'tail' implementations
2202 treat operands with leading '+' as file names, as POSIX
2203 has required since 2001. However, make sure the code still
2204 works on pre-POSIX hosts.
2205 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
2206 which says you should use "tail -c +N" rather than "tail +Nc".
2207 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
2209 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
2211 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
2214 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2217 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
2218 PRE_{INC,DEC} of TFmode.
2220 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2221 Alan Modra <amodra@bigpond.net.au>
2224 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
2227 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2230 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
2231 Remove duplicate gtu.
2233 2006-07-05 Jason Merrill <jason@redhat.com>
2237 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
2238 * c-common.c (handle_packed_attribute): So don't copy it here.
2239 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
2241 2006-07-05 Mike Stump <mrs@apple.com>
2243 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
2245 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
2248 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
2250 2006-07-05 Richard Guenther <rguenther@suse.de>
2253 * config/i386/i386.md (*negdf2_1): Restrict pattern to
2254 TARGET_SSE2 targets if using SSE math.
2255 (*absdf2_1): Likewise.
2257 2006-07-05 Richard Guenther <rguenther@suse.de>
2259 PR tree-optimization/28162
2260 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
2261 make sure to convert the operands to the correct type.
2263 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
2265 PR tree-optimization/28218
2267 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
2268 to calculate and free the dominator information.
2270 2006-07-04 Peter O'Gorman <peter@pogma.com>
2272 * mklibgcc.in: chmod 644 before ranlib during install.
2274 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2275 J"orn Rennecke <joern.rennecke@st.com>
2277 * configure.ac (.eh_frame data check): Use diff -b.
2279 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2282 * Makefile.in (BUILD_RTL): Add build/vec.o.
2283 (build/gencondmd.o): Filter out -fkeep-inline-functions.
2284 (build/genextract): Delete.
2285 (build/genautomata): Likewise.
2287 2006-07-04 Alan Modra <amodra@bigpond.net.au>
2290 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
2291 128-bit IBM long doubles for ABI_V4.
2293 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
2295 * tree.c (range_in_array_bounds_p): New predicate.
2296 * tree.h (range_in_array_bounds_p): Declare it.
2297 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
2298 return a less conservative answer.
2299 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
2300 and flag 'is_group'.
2301 (IS_ELEMENT_FOR_GROUP): New macro.
2302 (FOR_EACH_ACTUAL_CHILD): Likewise.
2303 (next_child_for_group): New helper function.
2304 (can_completely_scalarize_p): Take into account groups.
2305 (sra_hash_tree): Handle RANGE_EXPR.
2306 (sra_elt_eq): Likewise.
2307 (lookup_element): Be prepared for handling groups.
2308 (is_valid_const_index): Delete.
2309 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
2310 instead of is_valid_const_index.
2311 <ARRAY_RANGE_REF>: New case.
2312 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
2313 is_valid_const_index.
2314 <ARRAY_RANGE_REF>: Do not unconditionally punt.
2315 (scan_dump): Dump info for groups too.
2316 (decide_instantiation_1): Likewise.
2317 (decide_block_copy): Assert that the element is not a group.
2318 Propagate decision to groups.
2319 (generate_one_element_ref): Handle RANGE_EXPR.
2320 (mark_no_warning): Iterate over actual childs.
2321 (generate_copy_inout): Likewise.
2322 (generate_element_copy): Likewise.
2323 (generate_element_zero): Likewise.
2324 (generate_element_init_1): Likewise.
2325 (dump_sra_elt_name): Handle RANGE_EXPR.
2327 2006-07-03 Roger Sayle <roger@eyesopen.com>
2329 PR tree-optimization/26251
2330 * tree-ssa-threadupdate.c (redirection_block_p): New function.
2331 (thread_block): When optimizing for size refuse to thread jumps
2332 that would require duplication of blocks other than redirection
2335 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2337 * configure.ac: Fix thinko in previous check-in.
2338 * configure: Regenerate.
2340 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2343 * configure.ac (for lang...): Simplify nesting of conditionals.
2344 Test subdir_requires for non-enabled languages. Move processing
2345 of lang_opt_files and lang_tree_fiels below that test.
2346 * configure: Regenerate.
2347 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
2349 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
2351 * doc/gcov.texi (Invoking Gcov): Add a missing word.
2353 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
2355 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
2358 2006-06-29 Jason Merrill <jason@redhat.com>
2365 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
2366 * c-common.c (c_determine_visibility): Handle it here.
2367 * c-decl.c (finish_decl): Call c_determine_visibility for
2369 * flags.h (enum symbol_visibility): Sort from most to least visibility.
2371 * varasm.c (default_assemble_visibility): Likewise.
2372 * c-common.c (handle_visibility_attribute): Complain about trying
2373 to give visibility to an already defined class, or trying to change
2374 declared visibility. Always attach the attribute.
2379 * attribs.c (decl_attributes): Ignore type-in-place attributes
2380 once the type has been defined.
2382 2006-06-29 Roger Sayle <roger@eyesopen.com>
2385 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
2386 to indicate the cpplib has issued an error message for us.
2388 2006-06-29 Asher Langton <langton2@llnl.gov>
2391 * config/i386/i386.c (ix86_output_function_epilogue): Don't
2392 insert a label at the end of an function under Mach-O.
2394 2006-06-29 Eric Christopher <echristo@apple.com>
2395 Evan Cheng <evan.cheng@apple.com>
2397 * predicates.md (vector_all_ones_operand): New.
2398 (nonimmediate_or_sse_const_operand): Ditto.
2399 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
2400 * config/i386/i386.c (standard_sse_constant_opcode): Define.
2401 (standard_sse_mode_p): Ditto.
2402 (standard_sse_constant_p): Add case for -1 vector.
2403 (ix86_expand_vector_move): Try to use.
2404 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
2405 Call standard_sse_constant_opcode.
2406 (*movv4sf_internal): Ditto.
2407 (*movv2df_internal): Ditto.
2409 2006-06-29 Roger Sayle <roger@eyesopen.com>
2411 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
2412 of XEXP to extract the operands of a MATCH_CODE rtx.
2414 2006-06-28 Andrew Pinski <pinskia@gmail.com>
2416 * tree.c (tree_size): Do not waste tail padding in
2417 struct tree_string and make the size be the same as
2418 build_string will generate.
2420 2006-06-28 Jason Merrill <jason@redhat.com>
2423 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
2424 may_aliases already in the tag's annotations to the bitmap.
2426 2006-06-28 Roger Sayle <roger@eyesopen.com>
2428 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
2430 2006-06-28 Roger Sayle <roger@eyesopen.com>
2432 * genpreds.c (generate_switch_p): New function.
2433 (add_mode_tests): Push the new mode test down inside an AND expr
2434 if this allows the switch-suitable MATCH_CODE to be near the root.
2435 (write_match_code_switch): New function to write a MATCH_CODE as
2437 (write_predicate_stmts): New function to write a predicate RTX
2438 expression as a sequence of statements.
2439 (write_one_predicate_function): Use write_predicate_stmts.
2440 (write_tm_constrs_h): Likewise.
2442 2006-06-26 Fred Fish <fnf@specifix.com>
2444 * config/mips/t-sb1: New file.
2445 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
2448 2006-06-26 DJ Delorie <dj@redhat.com>
2450 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
2452 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
2453 Jayant Sonar <jayants@kpitcummins.com>
2454 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
2456 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
2457 (subsi3, subsi3_1, subsi3_2): New.
2458 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
2459 * config/m32c/mov.md (SI mov peephole): New.
2460 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
2461 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
2463 2006-06-26 Olivier Hainque <hainque@adacore.com>
2465 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
2466 a CALL_EXPR target function declaration.
2468 2006-06-26 Richard Guenther <rguenther@suse.de>
2470 * tree.c (build_string): Do not waste tail padding in
2473 2006-06-26 Richard Guenther <rguenther@suse.de>
2475 * ggc-page.c (init_ggc): Add missing element to size_lookup
2479 2006-06-23 Richard Guenther <rguenther@suse.de>
2481 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2482 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2483 alignment requests instead. Add verification code.
2484 Add struct tree_function_decl and struct tree_binfo size to
2485 extra_order_size_table. Add missing element to size_lookup
2488 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
2491 * fold-const.c (const_binop): Be prepared for self returning zero.
2492 Simplify code handling complex values.
2494 2006-06-24 Olivier Hainque <hainque@adacore.com>
2496 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
2497 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
2500 2006-06-24 Olivier Hainque <hainque@adacore.com>
2502 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
2503 ARRAY_REF, so have the callback called for the low bound expression.
2505 2006-06-23 Janis Johnson <janis187@us.ibm.com>
2507 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
2508 * c-typeck.c (c_common_type): Disallow operations on decimal float
2509 types and other float types.
2510 * convert.c (convert_to_real): Don't ignore conversions involving
2511 decimal float types.
2513 2006-06-23 Olivier Hainque <hainque@adacore.com>
2515 * tree.c (max_int_size_in_bytes): New function, inspired from
2516 code in function.c:assign_temp.
2517 * tree.h (max_int_size_in_bytes): Declare.
2518 * function.c (assign_temp): Use it.
2519 * gimplify.c (create_tmp_var): Relax the assertions on the type
2520 properties, not mandating constant size any more.
2521 (force_constant_size): New static function.
2522 (gimple_add_tmp_var): Use it, forcing variable size to a
2523 constant upper bound if it is not constant on entry.
2525 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
2528 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
2529 for initialization and setting of one_only flag to ...
2530 (i386_pe_encode_section_info): ...here.
2531 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
2532 Recheck that the symbol has not been defined.
2534 2006-06-23 Richard Guenther <rguenther@suse.de>
2536 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2537 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2538 alignment requests instead. Add verification code.
2539 Add struct tree_function_decl and struct tree_binfo size to
2540 extra_order_size_table. Add missing element to size_lookup
2543 2006-06-22 Roger Sayle <roger@eyesopen.com>
2544 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2547 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
2548 call to lang_hooks.types.type_for_mode returned NULL_TREE.
2550 2006-06-23 Ben Elliston <bje@au.ibm.com>
2552 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
2553 negate dn -- manipulate it directly.
2555 2006-06-22 Roger Sayle <roger@eyesopen.com>
2556 Steven Bosscher <stevenb.gcc@gmail.com>
2559 * reload1.c (gen_reload): Call mark_jump_label on the new insns
2560 generated by gen_move_insn to add REG_LABEL notes if necessary.
2562 2006-06-22 Bob Wilson <bob.wilson@acm.org>
2564 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
2565 (leaf_entry): Remove use of MIN_ESA.
2567 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
2569 PR rtl-optimization/28121
2570 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
2573 2006-06-21 DJ Delorie <dj@redhat.com>
2575 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
2577 (mulhisi3_r): Likewise.
2579 2006-06-21 Richard Sandiford <richard@codesourcery.com>
2582 * coverage.c (coverage_counter_alloc): Leave the index type
2584 (coverage_counter_alloc): Use null arguments for operands 2 and 3
2587 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
2589 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
2590 section from the "Options for Code Generation Conventions".
2592 2006-06-21 Richard Henderson <rth@redhat.com>
2596 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
2598 (global_symbolic_operand): Allow weak symbols, even if local_p.
2600 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
2602 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
2603 (find_interesting_uses_address): Punt if above function returns true.
2605 2006-06-21 Richard Guenther <rguenther@suse.de>
2607 * configure: Regenerated.
2609 2006-06-21 Joseph Myers <joseph@codesourcery.com>
2611 * config/mips/mips.c (function_arg): Where one part of a
2612 complex argument is in registers and the other part in the stack,
2613 return a REG not a PARALLEL.
2615 2006-06-21 Mark Mitchell <mark@codesourcery.com>
2617 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
2618 when cross-compiling. Do not substitute libstdcxx_incdir.
2619 * configure: Regenerated.
2621 2006-06-21 Jakub Jelinek <jakub@redhat.com>
2623 * varasm.c (mergeable_string_section): Check for embedded NULs and
2624 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
2625 rather than TREE_STRING_LENGTH bytes.
2627 2006-06-21 Richard Guenther <rguenther@suse.de>
2629 * ggc-page.c (extra_order_size_table): Add var_ann_d,
2630 tree_ssa_name, bitmap_element and phi_node with 4 arguments
2633 2006-06-21 Richrad Guenther <rguenther@suse.de>
2635 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
2636 Limit iteration over the dominators.
2638 2006-06-20 Roger Sayle <roger@eyesopen.com>
2640 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
2641 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
2643 2006-06-20 Richard Guenther <rguenther@suse.de>
2644 Michael Matz <matz@suse.de>
2646 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
2648 * alloc-pool.c (free_alloc_pool_if_empty): New function.
2649 * et-forest.h (et_free_pools): Prototype new function.
2650 * et-forest.c (et_free_tree_force): Free parent occurrence.
2651 (et_free_pools): New function.
2652 * dominance.c (free_dominance_info): Free et-forest alloc
2655 2006-06-20 Roger Sayle <roger@eyesopen.com>
2657 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
2658 integer modes, attempt to directly construct an integer constant.
2660 * fold-const.c (native_encode_vector): Determine the size of each
2661 element from the vector type instead of the first vector element.
2663 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
2664 if all of its elements/components are constant.
2665 (build_constructor_from_list): Likewise.
2667 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
2669 PR tree-optimization/27331
2670 * tree-data-ref.c (free_data_ref): New function.
2671 (create_data_ref): Fail if the data reference has unknown access
2673 (free_data_refs): Use free_data_ref.
2675 2006-06-19 Andrew Pinski <pinskia@gmail.com>
2678 * tree-inline.c (setup_one_parameter): Strip useless
2679 type conversion before adding it to the IR.
2680 (declare_return_variable): Likewise.
2682 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
2685 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
2687 2006-06-19 Mike Stump <mrs@apple.com>
2689 * tree.c (variably_modified_type_p): VM arguments don't make the
2692 2006-06-19 Richard Guenther <rguenther@suse.de>
2694 * tree-ssa-pre.c (try_combine_conversion): Strip useless
2695 type conversions after folding.
2697 2006-06-19 Richard Guenther <rguenther@suse.de>
2699 * ggc-page.c (extra_order_size_tab): Add entries with
2700 size of struct function and basic_block.
2701 (size_lookup): Extend to cover sizes up to 511.
2702 (ggc_alloc_stat): Adjust user.
2703 (ggc_pch_count_object): Likewise.
2704 (ggc_pch_alloc_object): Likewise.
2705 (ggc_pch_write_object): Likewise.
2707 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
2709 * tree-ssa-loop-niter.c (implies_ge_p): New function.
2710 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
2713 2006-06-19 Denis Chertykov <denisc@overta.ru>
2715 * config/avr/libgcc.S : Correct my wrong previous commit.
2717 2006-06-19 Roger Sayle <roger@eyesopen.com>
2720 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
2721 have stripped a SUBREG from the shift count, so we may need to
2722 convert_to_mode back to the type's mode before calling make_tree.
2723 Use new_amount instead of amount to avoid expanding a tree twice.
2725 2006-06-19 Richard Guenther <rguenther@suse.de>
2728 * fold-const.c (operand_equal_p): Check if the argument types
2729 have the same precision before stripping NOPs.
2731 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
2733 Fix PR tree-optimization/27341
2734 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
2736 * tree-complex.c (pass_lower_complex): Update SMT usage.
2738 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
2740 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
2741 Add a new alternative to the constraint strings. Add move of
2742 operand 1 to 3 to the splitter definition.
2743 ("doloop_si_long"): Second contraint alternative removed.
2745 2006-06-08 Anatoly Sokolov <aesok@post.ru>
2747 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
2748 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
2750 (AVR_HAVE_MOVW) Define.
2751 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
2752 (ASM_SPEC): Add avr25.
2753 (LINK_SPEC): Add avr25.
2754 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
2755 (base_arch_s): Add new member 'have_movw_lpmx'.
2756 (avr_arch_types): Init 'have_movw_lpmx'.
2757 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
2758 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
2759 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
2760 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
2761 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
2763 (avr_file_start): Do not output '.arh' derective.
2764 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
2765 (__do_copy_data): Use __AVR_HAVE_LPMX__.
2766 * config/avr/avr.md (mcu_enhanced): Delete.
2767 (mcu_have_movw): Define.
2768 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
2769 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
2770 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
2771 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
2772 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
2773 attiny861 and at86rf401 devices.
2775 2006-06-18 Jie Zhang <jie.zhang@analog.com>
2777 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
2780 2006-06-17 Karl Berry <karl@gnu.org>
2782 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
2783 doc/gccint.texi, doc/install.texi (@dircategory): Use
2784 "Software development" instead of "Programming", following
2785 the Free Software Directory.
2787 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
2789 * config/i386/i386.c (legitimate_tls_address)
2790 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
2791 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
2792 (*tls_dynamic_gnu2_combine_64): Likewise.
2794 2006-06-16 Richard Guenther <rguenther@suse.de>
2797 * fold-const.c (negate_expr_p): Do not introduce undefined
2798 overflow in negating INTEGER_CSTs.
2799 (fold_negate_expr): Rename from negate_expr. Revert last
2800 change for folding BIT_NOT_EXPR. Change semantics to
2801 return NULL_TREE for non-simplified negations. Do not
2802 strip type conversions and unify type handling.
2803 (negate_expr): New function, wrap around fold_negate_expr
2804 but ensure building a tree always. Strip type conversions
2805 here, fold to result type.
2806 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
2808 2006-06-16 Roger Sayle <roger@eyesopen.com>
2811 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
2812 that (would) return their results in stack registers.
2814 2006-06-16 Michael Matz <matz@suse.de>
2815 Richard Guenther <rguenther@suse.de>
2817 * fold-const.c (fold_truthop): Only return new tree node if
2818 we canonicalized something.
2820 2006-06-16 Richard Guenther <rguenther@suse.de>
2822 * function.h (enum function_frequency): Move declaration
2823 out of struct function.
2824 (struct function): Move bool fields and the enum to the bitfield
2825 section. Reorder elements to avoid padding. Remove unused
2826 fields left over from the RTL inliner removal.
2827 * function.c (free_after_compilation): Do not zero removed fields.
2828 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
2829 (ipa-type-escape.o): Likewise.
2831 2006-06-16 Richard Guenther <rguenther@suse.de>
2833 * cgraph.h (struct cgraph_local_info): Turn bool elements
2835 (struct cgraph_node): Likewise.
2836 (struct cgraph_varpool_node): Likewise.
2838 2006-06-15 Richard Guenther <rguenther@suse.de>
2840 * fold-const.c (fold_truth_not_expr): Rename from
2841 invert_truthvalue. Give it fold_* semantics to avoid
2843 (invert_truthvalue): New function. Wrapper around
2844 fold_truth_not_expr.
2845 (optimize_minmax_comparison): Avoid creating garbage.
2846 (fold_unary): Use fold_truth_not_expr for folding
2848 (fold_ternary): Replace uses of invert_truthvalue with
2849 fold_truth_not_expr where applicable.
2850 * tree.h (fold_truth_not_expr): Prototype.
2852 2006-06-16 Richard Guenther <rguenther@suse.de>
2854 PR tree-optimization/27781
2855 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
2856 * ipa-pure-const.c (target.h): Include.
2857 (analyze_function): Do not analyze functions that do not
2860 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
2863 * tree-dfa.c (referenced_vars_dup_list): Remove.
2864 (find_referenced_vars): Remove assert.
2865 (referenced_var_check_and_insert): Replace dup list with assert.
2866 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
2867 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
2869 2006-06-15 Richard Guenther <rguenther@suse.de>
2871 * tree-ssa-structalias.c (alias_get_name): Avoid creating
2872 extra unused identifiers if not dumping.
2873 (create_variable_info_for): Likewise.
2875 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
2877 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
2878 (derive_constant_upper_bound): Derive more precise upper bound in
2879 common cases. Return type changed to double_int.
2880 (record_estimate): Reflect the changed return type of
2881 derive_constant_upper_bound.
2882 * double-int.c (double_int_zext, double_int_sext): Fix.
2884 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
2886 * configure.ac (CFLAGS): Get them from the toplevel or from the
2887 configure invocation.
2888 * configure: Regenerate.
2889 * Makefile.in (CFLAGS): Substitute value provided by configure.
2891 2006-06-14 Mark Mitchell <mark@codesourcery.com>
2894 * c-common.h (c_finish_omp_atomic): Adjust declaration.
2895 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
2896 rather than calling add_stmt on it.
2897 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
2899 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
2902 * reload1.c (reload): Remove registers returned by update_eliminables
2903 from used_spill_regs.
2905 2006-06-13 DJ Delorie <dj@redhat.com>
2907 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
2909 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
2911 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
2912 html__strip_dir, html__mkdir_p. Enhance install-html target.
2913 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
2914 * configure: Regenerate.
2916 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
2918 * fold-const.c (fold_cond_expr_with_comparison): Check for
2919 Objective-C++ as language in deciding COND_EXPR transformation.
2921 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
2924 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
2925 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
2926 * config/sh/lib1funcs.h (SL, SL1): Define.
2927 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
2928 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
2929 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
2930 (OBJS_Os_4_200): New variable.
2931 ($(T)libgcc-Os-4-200.a): Use it.
2932 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
2933 when dividing 1 and/or by 0.
2935 2006-06-13 Roger Sayle <roger@eyesopen.com>
2937 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
2938 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
2939 * configure: Regenerate.
2941 2006-06-13 Jie Zhang <jie.zhang@analog.com>
2943 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
2944 for real instruction.
2946 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2949 * haifa-sched.c (check_cfg): Handle special case.
2951 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
2954 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
2955 Add debug_info parameter. Chain the vars to the BLOCK instead
2956 of the BIND_EXPR if debug info are requested for them.
2957 (pop_gimplify_context): Adjust for above change.
2958 (gimple_add_tmp_var): Likewise.
2959 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
2961 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
2962 (convert_local_reference): Likewise.
2963 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
2964 (finalize_nesting_tree_1): Request that debug info be emitted
2965 for debug_var_chain.
2967 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2969 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
2970 for PR target/27863.
2972 2006-06-13 Richard Guenther <rguenther@suse.de>
2975 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
2977 2006-06-13 Richard Guenther <rguenther@suse.de>
2979 PR tree-optimization/27830
2980 * tree-inline.c (copy_body_r): For copying the operand
2981 of an ADDR_EXPR make sure to fold &* afterwards.
2983 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
2985 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
2986 lvalues in the fb_none case with side-effects.
2988 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
2990 * tree-flow.h: Remove the prototype for
2991 compute_phi_arg_on_exit.
2992 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
2993 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
2996 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
2998 * builtins.c (expand_builtin_return_addr): Only use
2999 frame_pointer_rtx when count == 0 and we are expanding
3000 __builtin_return_address.
3002 2006-06-12 Fred Fish <fnf@specifix.com>
3004 * config/mips/mips.c (mips_file_start): Create special section
3005 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
3007 2006-06-11 Eric Christopher <echristo@apple.com>
3010 * stor-layout.c (place_field): Remove check for
3011 remaining_in_alignment when aligning at the end of a run.
3013 2006-06-11 Eric Christopher <echristo@apple.com>
3016 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
3019 2006-06-11 Roger Sayle <roger@eyesopen.com>
3022 Revert incorrect fix for PR target/27158
3023 2006-05-08 Roger Sayle <roger@eyesopen.com>
3024 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3025 of a reg_equiv_constant if the result is a legitimate constant.
3027 2006-06-11 Roger Sayle <roger@eyesopen.com>
3030 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
3031 extract a CONST_VECTOR element and interpret it as an integer.
3032 (vspltis_constant): Use const_vector_elt_as_int instead of the
3033 macro CONST_VECTOR_ELT in order to handle FP vector modes.
3034 * config/rs6000/predicates.md (easy_vector_const): Consider
3035 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
3037 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
3040 * stor-layout.c (update_alignment_for_field): Don't add extra
3041 alignment for packed non-bitfield fields in ms_bitfield_layout_p
3044 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
3046 * config/mips/t-rtems: Add EL/EB multilib variants.
3048 2006-06-09 Mike Stump <mrs@apple.com>
3050 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
3052 2006-06-09 David Daney <ddaney@avtrex.com>
3054 * doc/install.texi: Add binutils version recommendation for mips-*-*.
3056 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
3058 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
3060 2006-06-09 Richard Guenther <rguenther@suse.de>
3062 PR tree-optimization/26998
3063 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
3064 of signed types, only TYPE_MIN_VALUE is special, but for both,
3065 minimum and maximum value. Likewise VR_ANTI_RANGE is special
3066 in this case, as is -fwrapv.
3068 2006-06-08 Mike Stump <mrs@apple.com>
3071 * config/darwin.c (darwin_asm_output_anchor): Disable
3072 -fsection-anchors on darwin for now.
3073 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
3074 * rs6000/rs6000.c (optimization_options): Likewise.
3076 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3079 * config/i386/i386.c (classify_argument): Skip fields with invalid
3082 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
3084 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
3085 (cse_insn): Likewise for the stack_pointer_rtx.
3087 2006-06-08 Roger Sayle <roger@eyesopen.com>
3089 * tree-ssa-dom.c (record_conditions): Only record "unordered"
3090 conditions from floating point comparisons.
3092 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
3095 * expmed.c (struct alg_hash_entry): Fix type of field T
3096 to match synth_mult argument.
3097 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
3099 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3102 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
3105 2006-06-08 Richard Guenther <rguenther@suse.de>
3108 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
3109 only, if overflow is defined and not trapping.
3110 (negate_expr): Likewise.
3112 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3114 PR tree-optimization/27872
3115 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
3116 flag on the new exit edge of the unrolled loop.
3118 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3120 PR rtl-optimization/26449
3121 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
3123 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
3126 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
3127 referenced_variables with matching DECL_UID's.
3128 (find_referenced_vars): Make sure duplicate list is empty to start.
3129 (referenced_var_p): Remove.
3130 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
3131 Check if var is in the list, and add if needed. Update the duplicate
3132 list if a different var is in the list with the same DECL_UID.
3133 (add_referenced_var): Call routine to check and insert.
3134 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
3135 * tree-flow.h (referenced_vars_dup_list): External declaration.
3137 2006-06-07 Fred Fish <fnf@specifix.com>
3139 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
3142 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
3145 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
3146 the imaginary and real parts of a clobbered register.
3147 Emit insn to set the imaginary part.
3149 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
3151 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
3152 in lieu of unwind-dw2-fde.c.
3154 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3156 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
3158 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
3161 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
3162 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
3163 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
3164 V4SImode temporaries and operations instead.
3166 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
3168 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
3171 2006-06-06 Mike Stump <mrs@apple.com>
3173 * Makefile.in: Rename to htmldir to build_htmldir to avoid
3174 installing during build.
3176 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3178 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
3180 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3181 * config/ia64/ia64.c (params.h): New header.
3182 (ia64_optimization_options): New function to adjust parameters.
3183 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
3184 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
3185 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
3187 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
3189 * stor-layout.c (debug_rli): Fix a typo in a debug message.
3191 2006-06-05 Steve Ellcey <sje@cup.hp.com>
3194 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
3196 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
3197 Victor Kaplansky <victork@il.ibm.com>
3199 PR tree-optimization/26360
3200 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
3203 2006-06-04 Roger Sayle <roger@eyesopen.com>
3204 Andrew Pinski <pinskia@physics.uc.edu>
3207 * c-common.c (c_common_truthvalue_conversion): Explicitly check
3208 for LABEL_DECL before calling DECL_WEAK.
3211 * c-typeck.c (build_binary_op): Likewise, explicitly check for
3212 LABEL_DECL and PARM_DECL.
3214 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
3218 * c-decl.c (grokdeclarator): Disallow variably modified types at
3219 file scope. Avoid marking shared array type of constant size as
3222 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3225 * c-common.c (fold_offsetof_1): Handle static members.
3227 2006-06-04 Eric Christopher <echristo@apple.com>
3229 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
3230 (debug_rli): Output value for remaining_in_alignment.
3231 (update_alignment_for_field): Unconditionalize
3232 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
3233 extra alignment code.
3234 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
3235 ms_bitfield_layout_p code. Rewrite handling of structure fields.
3236 * tree.h (record_layout_info_s): Remove prev_packed.
3237 * doc/extend.texi (ms_struct): Add documentation of format.
3239 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
3241 * tree.h: Declare folding_initializer.
3242 * builtins.c (fold_builtin_constant_p): Give definite answer
3243 if folding inside an initializer.
3244 * fold-const.c: Define folding_initializer.
3245 (START_FOLD_INIT): Save and then set folding_initializer.
3246 (END_FOLD_INIT): Restore folding_initializer.
3248 2006-06-04 Richard Guenther <rguenther@suse.de>
3250 PR tree-optimization/27039
3251 * fold-const.c (fold_comparison): Handle pointer comparison
3252 again for all comparison codes. Compare offsets in signed
3254 (fold_binary): Move code from here.
3256 2006-06-03 Roger Sayle <roger@eyesopen.com>
3259 * config/i386/i386.c (construct_container): Split static issued_error
3260 flag into issued_sse_arg_error, issued_sse_ret_error and
3261 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
3262 requires the use of x87 registers and the user explicitly
3263 specified the -mno-80387 command line option.
3265 2006-06-02 Geoffrey Keating <geoffk@apple.com>
3267 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
3268 HAVE_DECL_SIGALTSTACK.
3270 (segv_handler): Use MC_FLD.
3271 * configure.ac: Check for a sigaltstack declaration.
3272 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
3273 * configure: Regenerate.
3274 * config.in: Regenerate.
3276 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
3279 * Makefile.in (stmp-fixinc): Fix typo.
3281 2006-06-02 Roger Sayle <roger@eyesopen.com>
3283 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
3284 are type correct. Clean-up.
3285 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
3286 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
3288 2006-06-01 DJ Delorie <dj@redhat.com>
3290 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
3291 shift, as we've disabled the "switch" insn that needs it.
3293 2006-06-01 Per Bothner <bothner@bothner.com>
3295 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
3296 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
3297 * c-ppoutput.c (cb_define): Don't increment line 0.
3299 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
3301 * doc/invoke.texi: Add cpu_type power6.
3302 * config.gcc: Add cpu_type power6.
3303 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
3304 to power5+ with Altivec.
3305 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
3306 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
3308 2006-05-30 Anatoly Sokolov <aesok@post.ru>
3310 * config/avr/avr.h (SET_ASM_OP): Define.
3312 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
3314 * config/bfin/bfin.c: Fix comment typos.
3316 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3319 * doc/install.texi: Document --enable-bootstrap and
3320 --disable-bootstrap.
3322 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3324 * doc/install.texi: Document that InfoZIP can replace jar.
3326 2006-05-31 Roger Sayle <roger@eyesopen.com>
3328 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
3329 isn't available, directly generate the simpler x87 patterns without
3330 the (use (const_int 0)).
3331 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
3332 implementation isn't available.
3333 (*negdf2_1): Likewise.
3334 (*negxf2_1): XF mode negation is always done using the x87.
3335 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
3337 2006-05-31 Roger Sayle <roger@eyesopen.com>
3339 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
3340 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
3342 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
3344 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3346 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
3347 * config/bfin/bfin.c (basic-block.h): Include.
3348 (struct machine_function): New.
3349 (bfin_init_machine_status): New.
3350 (override_options): Initialize init_machine_status.
3351 (bfin_hardware_loop): New.
3352 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
3353 (DEF_VEC_P (loop_info)): New.
3354 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
3355 (struct loop_info): New.
3356 (loop_info): New typedef.
3357 (struct loop_work): New.
3358 (loop_work): New typedef.
3359 (DEF_VEC_O (loop_work)): New.
3360 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
3361 (bfin_dump_loops): New.
3362 (bfin_bb_in_loop): New.
3363 (bfin_scan_loop): New.
3364 (bfin_optimize_loop): New.
3365 (bfin_reorg_loops): New.
3366 (bfin_reorg): Use bfin_reorg_loops.
3367 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
3369 (I_REGNO_P): Simplify.
3370 (DP_REGNO_P, DPREG_P): New macros.
3371 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3372 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
3373 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
3374 Add LT_REGS, LC_REGS, LB_REGS.
3375 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
3377 (REGNO_REG_CLASS): Deal with loop registers.
3378 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
3380 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
3381 New constants for loop registers.
3382 (UNSPEC_LSETUP_END): New.
3383 (seq_insns): New define_attr. Set it for appropriate insns.
3384 (movsi_insn): Add alternatives for move from/to
3385 loop count registers.
3386 (doloop_end): New define_expand.
3387 (loop_end): New define_insn.
3388 (define_split for bad doloop_end): New.
3389 (lsetup_with_autoinit): New define_insn.
3390 (lsetup_without_autoinit): New define_insn.
3391 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
3392 * config/bfin/predicates.md (lc_register_operand): New.
3393 (lt_register_operand): New.
3394 (lb_register_operand): New.
3395 (nondp_register_operand): New.
3396 (nondp_reg_or_memory_operand): New.
3397 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
3399 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3401 * config/bfin/bfin.c (bfin_delegitimize_address): New.
3402 (TARGET_DELEGITIMIZE_ADDRESS): Define.
3404 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
3406 * Makefile.in (CATALOGS): Add po/ prefix.
3407 * configure: Regenerated.
3409 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
3412 * arm.c (arm_print_operand case 'S'): Validate that the operand is
3413 a shift operand before calling shift_op. Avoid redundant call of
3416 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
3417 DJ Delorie <dj@redhat.com>
3419 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
3420 we're inserting is a singlt-bit constant.
3422 2006-05-30 Roger Sayle <roger@eyesopen.com>
3424 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
3425 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
3427 2006-05-30 Roger Sayle <roger@eyesopen.com>
3429 PR tree-optimization/23452
3430 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
3431 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
3432 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
3433 complex values and with -ffast-math for FP complex values.
3435 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
3437 * c-common.h: Remove the prototype for yyparse.
3438 * rtl.h: Remove the prototype for init_loop.
3440 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
3442 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
3445 2006-05-30 Roger Sayle <roger@eyesopen.com>
3447 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
3449 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
3450 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
3452 2006-05-30 Dirk Mueller <dmueller@suse.de>
3455 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
3456 for CONSTANT_CLASS_P expresisons.
3458 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3461 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
3463 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
3465 PR tree-optimization/27779
3466 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
3467 initial_condition instead of CHREC_LEFT.
3469 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
3471 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
3472 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
3473 Make prototypes ISO C90.
3475 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
3476 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3478 * see.c (see_analyze_one_def): Correct check.
3479 (see_get_extension_data): Check if extension is parallel.
3480 (see_get_extension_reg): Likewise.
3482 2006-05-30 Uros Bizjak <uros@kss-loka.si>
3485 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
3486 into register for (code == GTU).
3488 2006-05-29 Roger Sayle <roger@eyesopen.com>
3490 PR tree-optimization/24964
3491 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
3492 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
3493 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
3494 abs(x)*abs(x) as x*x for scalar floating point modes.
3496 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
3499 * lambda-code.c (perfect_nestify): Don't copy statements
3500 in the inner loop: move them to the inner loop header.
3502 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3505 * c-tree.texi: Document OpenMP directives and clauses.
3507 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3509 * varasm.c (globalize_decl): Fix indentation.
3511 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3514 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
3515 pass_fre, pass_store_ccp, pass_copy_prop,
3516 pass_store_copy_prop, pass_merge_phi, pass_nrv,
3517 pass_return_slot, pass_object_size, pass_lim,
3518 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
3519 pass_loop_prefetch and pass_stdarg.
3521 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
3523 * config/bfin/bfin.opt (mfdpic): New option.
3524 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
3525 (EXTRA_MULTILIB_PARTS): Likewise.
3526 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
3527 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
3529 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
3530 (CRT_CALL_STATIC_FUNCTION): New.
3531 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
3533 (CRT_CALL_STATIC_FUNCTION): New.
3534 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
3536 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
3537 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
3538 (initialize_trampoline): Changed to handle FD-PIC code generation.
3539 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
3540 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
3541 (override_options): Disallow -mid-shared-library -mfdpic combination.
3542 Can't do unaligned ops if FD-PIC.
3543 Turn off flag_pic if trying to generate non-id-shared-library
3544 non-fdpic code, since it's not supported.
3545 (bfin_assemble_integer): New function.
3546 (TARGET_ASM_INTEGER): Define.
3547 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
3549 * config/bfin/crtn.s: Restore them.
3550 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
3552 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
3553 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
3554 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
3555 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
3556 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
3558 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
3559 FDPIC_REGS and FDPIC_FPTR_REGS.
3560 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
3561 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
3562 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
3563 (load_funcdescsi): New pattern.
3564 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
3565 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
3566 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
3568 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3570 * gcse.c, rtlanal.c: Remove obsolete comments associated with
3573 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
3575 * tree-flow.h: Remove the prototype for add_type_alias.
3576 * tree-ssa-alias.c (add_type_alias): Remove.
3578 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
3580 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
3581 config/fr30/fr30.md, config/i386/i386-interix.h,
3582 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
3583 config/sh/superh64.h, config/v850/v850.c, df-core.c,
3584 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
3585 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
3586 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
3587 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
3588 Follow spelling conventions.
3589 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
3590 Follow spelling conventions.
3592 2006-05-27 Richard Guenther <rguenther@suse.de>
3595 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
3596 to produce a constant of value 1 of generic type.
3598 2006-05-27 Dirk Mueller <dmueller@suse.de>
3600 * cgraphunit.c (decide_is_function_needed): Fix wrong
3603 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
3605 PR rtl-optimization/27661
3606 * reload.c (find_reloads): When reloading a VOIDmode constant
3607 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
3608 use Pmode as mode of the reload register.
3610 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
3612 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
3613 is enabled at -O and above.
3615 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
3618 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
3621 2006-05-25 Mark Mitchell <mark@codesourcery.com>
3624 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
3625 for anonymous variables explicitly declared by front ends.
3627 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3629 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
3630 (struct alias_info): Add new field ref_all_symbol_mem_tag.
3631 * tree-ssa-alias.c (compute_may_aliases): If the program contains
3632 ref-all pointers, run a finalization pass for them.
3633 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
3634 (finalize_ref_all_pointers): New function.
3635 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
3636 regular pointer type to a ref-all pointer type.
3637 (get_tmt_for): Return the special memory tag for ref-all pointers.
3639 2006-05-25 Richard Guenther <rguenther@suse.de>
3642 * fold-const.c (fold_binary): Do not look at the stripped
3643 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
3645 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3647 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
3648 for LT and GT if the computed range is effectively empty.
3650 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3653 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
3654 mips_quad_format formats instead of ieee_single_format,
3655 ieee_double_format and ieee_quad_format formats, respectively.
3657 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3659 PR tree-optimization/27639
3660 PR tree-optimization/26719
3661 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
3662 call to scev_probably_wraps_p.
3663 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
3664 used_in_pointer_arithmetic_p, convert_step): Removed.
3665 (nowrap_type_p): New function.
3666 (scev_probably_wraps_p): Rewritten.
3667 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
3668 chrec_convert if chrec_convert_aggressive might have been used.
3669 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
3670 scev_direction): New functions.
3671 (chrec_convert): Changed to a wrapper over chrec_convert_1.
3672 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
3673 instead of convert_step.
3674 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
3675 (convert_step): Declaration removed.
3676 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
3678 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
3680 * df-core.c: Added to header comments.
3681 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
3682 df_ur_bb_info, df_urec_bb_info): Added comments.
3683 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
3684 urec, ri problems): Fixed header comments.
3685 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
3686 code from df_rd_transfer_function.
3688 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3690 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
3691 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
3692 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
3694 2006-05-23 Joseph Myers <joseph@codesourcery.com>
3696 * expr.c (undefined_operand_subword_p): New.
3697 (emit_move_multi_word): Do not generate move from undefined bits
3698 of a paradoxical subreg.
3700 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3702 PR rtl-optimization/27736
3703 * combine.c (replaced_rhs_value): New variable.
3704 (combine_instructions): Set it.
3705 (distribute_notes): When distributing a note in replaced_rhs_insn,
3706 check whether the value was used in replaced_rhs_value.
3708 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
3711 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
3712 add_referenced_var instead of add_referenced_tmp_var.
3713 * tree-complex.c (create_one_component_var): Use add_referenced_var.
3714 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
3716 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
3717 tree_optimize_tail_calls_1): Use add_referenced_var.
3718 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
3719 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
3720 Use add_referenced_var.
3721 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
3722 * gimplify.c (force_gimple_operand): Use add_referenced_var.
3723 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
3724 Use add_referenced_var.
3725 * tree-dfa.c (struct walk_state): Remove.
3726 (find_referenced_vars): Remove walk state and vars_found hash table.
3727 (make_rename_temp): Use add_referenced_var.
3728 (find_vars_r): Pass less parameters to add_referenced_var.
3729 (referenced_var_p): New. Is var in referenced_var hash table.
3730 (referenced_var_insert): Assert var isn't already in hash table.
3731 (add_referenced_var): Don't need walk_state parameter. Add var if it
3732 isn't already in the hash table.
3733 (add_referenced_tmp_var): Remove.
3734 (find_new_referenced_vars_1): Use add_referenced_var.
3735 * tree-ssa-pre.c (create_expression_by_pieces,
3736 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
3737 Use add_referenced_var.
3738 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
3739 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
3740 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
3742 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
3743 vect_create_data_ref_ptr, vect_create_destination_var,
3744 vect_init_vector, vect_build_loop_niters,
3745 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3746 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
3747 Use add_referenced_var.
3748 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
3749 * tree-flow.h (add_referenced_tmp_var): Remove prototype
3750 (add_referenced_var): Add prototype.
3751 * tree-ssa-structalias.c (get_constraint_for,
3752 intra_create_variable_infos): Use add_referenced_var.
3754 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
3756 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
3757 big-endian paradoxical subregs.
3758 * var-tracking.c (struct micro_operation_def): Document that,
3759 for modify micro operations, insn is the subsequent instruction.
3760 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
3761 (var_reg_set, var_mem_set): ... new functions.
3762 (add_stores): Record subsequent insn.
3763 (compute_bb_dataflow): Use new functions for MO_USE.
3764 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
3765 notes after the insn, and modify notes before the insn known
3766 to be the subsequent one.
3767 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
3769 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
3772 * config/i386/i386.c (ix86_expand_builtin): Use
3773 gen_sse3_monitor64 for TARGET_64BIT.
3775 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
3777 PR rtl-optimization/26375
3778 PR rtl-optimization/26855
3779 * df-problems (df_ru_bb_local_compute_process_def): Removed update
3781 (df_ru_bb_local_compute): Reversed statements and removed bogus
3782 comment explaining why they should be in wrong order.
3783 (df_ru_dump, df_rd_dump): Enhanced debug info.
3784 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
3786 * ddg.c (add_deps_for_def): Converted use of reaching defs to
3787 reaching uses and fixed space problem.
3789 2006-05-23 Jan Hubicka <jh@suse.cz>
3791 * cgraphunit.c (decide_is_function_needed): Also nested functions
3792 and functions declared inline can be optimized out at -O0.
3794 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
3796 * doc/install.texi (Configuration): Remove reference to CrossGCC
3800 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3803 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
3804 ix86_compare_emitted is non-NULL.
3806 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3809 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
3812 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3814 PR rtl-optimization/25514
3815 * combine.c (replaced_rhs_insn): New variable.
3816 (combine_instructions): Set replaced_rhs_insn when trying to replace
3817 a SET_SRC with a REG_EQUAL note.
3818 (distribute_notes): Use replaced_rhs_insn when determining the live
3819 range of a REG_DEAD register.
3821 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
3822 Anatoly Sokolov <aesok@post.ru>
3824 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
3825 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
3826 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
3827 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
3828 atmega3290, atmega649, atmega6490, atmega406, atmega640,
3829 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
3830 at90usb647, at90usb1286 and at90usb1287 devices.
3831 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3832 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3834 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3836 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
3838 2006-05-22 Richard Guenther <rguenther@suse.de>
3841 2006-01-31 Richard Guenther <rguenther@suse.de>
3842 Paolo Bonzini <bonzini@gnu.org>
3844 * doc/install.texi (--disable-libgcc-math): Document.
3846 2006-05-22 Richard Guenther <rguenther@suse.de>
3849 2006-01-31 Richard Guenther <rguenther@suse.de>
3851 * doc/invoke.texi (-msselibm): Document.
3852 * target.h (expand_library_builtin): New target hook.
3853 * builtins.c (expand_builtin): Use expand_library_builtin.
3854 (default_expand_library_builtin): New function.
3855 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3856 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3857 (link_gcc_math_spec): Declare.
3858 (static_specs): Add link_gcc_math_spec.
3859 * expr.h (default_expand_library_builtin): Declare.
3860 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3861 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3862 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3863 * config/i386/i386.opt (msselibm): New target option.
3864 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3865 (ix86_init_sse_abi_builtins): New function.
3866 (ix86_expand_library_builtin): Likewise.
3867 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3868 (override_options): Handle error conditions wrt -msselibm.
3869 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3870 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3871 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3874 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3877 * c-common.c (self_promoting_args_p): Skip erroneous args.
3880 * c-decl.c (finish_struct): Skip erroneous fields.
3882 2006-05-22 Nick Clifton <nickc@redhat.com>
3884 * config/cris/cris.opt (march): Remove VarExists attribute.
3885 (max-stackframe=): Likewise.
3887 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3889 * doc/rtl.texi: Fix a typo.
3890 * see.c: Fix comment typos.
3892 * tree-ssa-structalias.h (alias_info): Remove num_references.
3894 2006-05-21 Mike Stump <mrs@apple.com>
3896 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
3898 (darwin_pragma_options): Use BAD instead.
3899 (darwin_pragma_unused): Likewise.
3900 (darwin_pragma_ms_struct): Likewise.
3902 2006-05-21 David Edelsohn <edelsohn@gnu.org>
3904 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
3906 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
3908 PR rtl-optimization/27671
3909 * simplify-rtx.c (simplify_relational_operation_1): Fix
3910 simplifications of (eq/ne (xor x y) y) and
3911 (eq/ne (xor x y) x).
3913 PR tree-optimization/26622.
3914 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
3917 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3919 * tree-cfg.c: Prune whitespace.
3920 (debug_tree_cfg): Point to correct header containing the
3923 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3926 * cgraphunit.c (verify_cgraph_node): Typo in error message.
3928 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
3931 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
3932 or sorry count is non zero.
3934 2006-05-20 Andreas Schwab <schwab@suse.de>
3936 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
3938 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
3939 Kenneth Zadeck <zadeck@naturalbridge.com>
3941 PR rtl-optimization/26855
3943 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
3945 (df_scan_alloc): Added code to properly handle multiword hard
3946 registers and add all_blocks parameter.
3947 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
3948 code to properly handle multiword hard registers.
3949 (df_rescan_blocks): Added code to remove deleted blocks from
3951 (df_ref_create_structure, df_ref_record): Added code to properly
3953 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
3954 and set DF_REF_PARTIAL.
3955 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
3956 (df_uses_record): Added DF_REF_PARTIAL for subreg.
3957 (df_scan_add_problem): Added flags parameter.
3958 (df_ref_create_structure): Changed switching structure.
3959 (df_bb_refs_record): Fixed case where duplicate artificial refs
3960 were created. Changed location of flags.
3961 (df_record_entry_block_defs): Added code to make stack pointer
3962 live in entry block. Refined cases where frame pointer is needed.
3963 Changed location of flags.
3964 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
3965 (df_set_state): Removed function.
3966 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
3967 df_insn_create_insn_record, df_insn_refs_delete,
3968 df_ref_create_structure): Formatting changes.
3969 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
3970 df_delete_basic_block): New function.
3971 (df_init): Changed location of flags.
3972 (df_add_problem): Added flags parameter and the way flags are
3974 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
3975 debug_df_chain): Improved debugging output.
3976 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
3977 (df_refs_chain_dump): Removed df parameter.
3978 (df_iterative_dataflow): Added consistency check.
3979 (df_prune_to_subcfg): Made public.
3980 (df_analyze_problem): Added blocks_to_init parameter and made
3982 (df_ref_record, df_bb_refs_record, df_mark_reg,
3983 df_record_exit_block_uses): Whitespace changes.
3984 (df_dump): Whitespace changes.
3985 * df.h: Some reordering to remove forward references.
3986 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
3987 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
3988 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
3989 (dataflow.flags): New field.
3990 (df.flag): Deleted field.
3991 (df_alloc_function): Added additional bitmap parameter.
3992 (df_dependent_problem_function): New type.
3993 (df_problem.changeable_flags): New field.
3994 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
3995 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
3996 (df_mw_hardreg): New struct.
3997 (DF_INSN_UID_MWS): New macro.
3998 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
4000 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
4001 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
4002 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
4003 (df_set_state): Removed function.
4004 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
4005 * df-problems.c (df_chain_dump): Removed df parameter.
4006 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
4007 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
4009 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
4010 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
4011 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
4012 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
4013 DF_REF_MUST_CLOBBER cases.
4014 (df_ru_bb_local_compute_process_def,
4015 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
4016 df_lr_bb_local_compute, df_ur_bb_local_compute,
4017 df_chain_create_bb): Made subreg aware.
4018 (df_ru_bb_local_compute, df_rd_bb_local_compute,
4019 df_lr_bb_local_compute, df_lr_bb_local_compute,
4020 df_chain_create_bb): Cleanup to use proper macros.
4021 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
4022 code to fixup bitvectors.
4023 (df_ri_alloc): Cleared lifetime.
4024 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
4025 df_create_unused_note): New function.
4026 (df_ri_bb_compute, df_ri_compute): Added code to create/update
4027 REG_DEAD and REG_UNUSED notes as well as register information.
4028 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
4029 df_chains_dump): Fixed crash if problem was never run.
4030 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
4031 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
4032 df_ri_add_problem): Processes flags in uniform manner.
4033 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
4034 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
4035 df_rd_dump, df_urec_free_bb_info): Formatting changes.
4036 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
4037 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
4038 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
4039 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
4040 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
4041 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
4042 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
4043 * see.c (see_initialize_data): Ditto.
4044 * final.c (rest_of_clean_state) Added regstack_completed.
4045 * rtl.h (regstack_completed): Ditto.
4046 * reg-stack.c (regstack_completed): Ditto.
4048 2006-05-19 Mike Stump <mrs@apple.com>
4050 * c-tree.h (default_conversion): Remove.
4051 * c-common.h (default_conversion): Add.
4053 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
4055 * tree-vrp.c (valid_value_p): New function.
4056 (adjust_range_with_scev): Fail if the value of bound is not
4059 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4061 * config/mips/linux-unwind.h: Include <asm/unistd.h>
4062 (mips_fallback_frame_state): Use syscall numbers to determine
4063 the appropriate li instruction for the current ABI. Only use
4064 __NR_sigreturn for o32.
4066 2006-05-19 Nicolas Setton <setton@adacore.com>
4068 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
4069 * langhooks.c (lhd_dwarf_name): New function.
4070 * langhooks-def.h (lhd_dwarf_name): Declare.
4071 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
4072 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
4073 * ada/misc.c (gnat_dwarf_name): New function.
4074 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
4076 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4078 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
4080 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
4081 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
4082 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
4083 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
4084 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
4085 determine the size of Wtype, etc.
4086 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
4087 (swfloatfuncs): New variable.
4088 (dwfloatfuncs): Likewise.
4089 (lib2funcs): Remove floating-point conversion functions from
4090 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
4091 the set of conversion routines needed. Allow entries to specify
4092 an object name, filename and word size. Update users accordingly.
4093 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
4094 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
4098 2006-02-08 Roger Sayle <roger@eyesopen.com>
4101 * config/fixtfdi.c: New libgcc source file.
4102 * config/fixunstfdi.c: New source file.
4103 * config/floatditf.c: New source file.
4104 * config/floatunditf.c: New souce file.
4105 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4106 files above instead of config/mips/_tilib.c.
4107 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4109 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4111 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
4112 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
4114 2006-05-18 Mike Stump <mrs@apple.com>
4116 Fix up vla, vm and [*] sematics.
4122 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
4123 (c_vla_unspec_p): Add.
4124 (c_vla_type_p): Add.
4125 * c-decl.c (struct c_scope): Add had_vla_unspec.
4126 (build_array_declarator): Add support for [*].
4127 (grokdeclarator): Likewise.
4128 (grokparms): Likewise.
4129 (get_parm_info): Likewise.
4130 * c-objc-common.c (c_vla_unspec_p): Likewise.
4131 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
4132 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
4133 typeof when argument is a variably modified type not inside sizeof or alignof.
4134 (c_parser_direct_declarator_inner): Propagate errors.
4135 (c_parser_sizeof_expression): Add support for [*].
4136 (c_parser_parms_declarator): Initialize had_vla_unspec.
4137 (c_parser_parms_list_declarator): Likewise.
4138 * c-typeck.c (c_vla_type_p): Add.
4139 (composite_type): Add support for vla compositing.
4140 (comptypes_internal): Add support for vla compatibility.
4141 (c_expr_sizeof_expr): Evaluate vla arguments.
4142 * tree.c (variably_modified_type_p): Update comment for [*].
4144 2006-05-18 Michael Matz <matz@suse.de>
4147 * config.host: Make assignments to host_xmake_file cumulative.
4148 * config.host (*-darwin*): Test $host, not $target.
4150 2006-05-12 Stuart Hastings <stuart@apple.com>
4152 * config/i386/i386.opt (-mstackrealign): New flag.
4153 * config/i386/i386.c (force_align_arg_pointer): New attribute.
4154 (ix86_handle_cconv_attribute): Emit error when
4155 force_align_arg_pointer attribute collides with too many regparms.
4156 (ix86_function_regparm): Limit regparms when used with
4157 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
4158 Support stack-realigning prologue in non-main functions. Emit
4159 warning for nested functions under -mstackrealign, emit error for
4160 nested functions with force_align_arg_pointer attribute.
4161 * doc/extend.texi (force_align_arg_pointer): Document it.
4162 * doc/invoke.texi (-mstackrealign): Document it.
4164 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
4166 PR rtl-optimization/27477
4167 * combine.c (try_combine): Don't split a parallel consisting
4168 of two sets into two individual sets if both sets reference
4171 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
4173 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
4174 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
4176 * doc/options.texi (VarExists): Updated.
4178 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4180 * unwind-dw2.c: Add declarations for uw_update_context and
4182 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
4183 detected, advance frame state and context once to skip over stub.
4185 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4189 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
4190 Call rewrite_into_loop_closed_ssa only when something changed.
4191 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
4192 * lambda-code.c (can_convert_to_perfect_nest): Declared.
4193 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
4194 Test for perfect_nest_p here. Fix formating.
4195 (replace_uses_equiv_to_x_with_y): Fix formating.
4196 (stmt_uses_op): Removed.
4197 (can_convert_to_perfect_nest): Removed loopivs parameter.
4198 Complete the test by checking the scalar dependences.
4199 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
4202 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4205 From Dan Kegel <dank@kegel.com>:
4206 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
4208 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
4210 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
4211 if the element type is variably modified without recursing.
4213 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4216 * tree-loop-linear.c (try_interchange_loops): Test for
4217 no data dependences.
4219 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
4221 PR tree-optimization/27548
4222 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
4223 range of ssa names that appear on abnormal edges.
4224 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
4225 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
4227 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4230 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
4232 2006-05-17 Jakub Jelinek <jakub@redhat.com>
4235 * tree.h (OMP_PARALLEL_COMBINED): Define.
4236 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
4237 (new_omp_context): Add is_combined_parallel argument.
4238 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
4239 new_omp_context caller.
4240 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
4241 Adjust gimplify_scan_omp_clauses callers.
4242 (omp_is_private): Issue errors if iteration variable is firstprivate
4243 or reduction in the current context.
4244 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
4245 on combined parallel workshare constructs.
4247 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4249 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
4250 (gcc-options.o): New rule.
4252 * optc-gen.awk: Protect variables for gcc-options.o with
4253 #ifdef GCC_DRIVER/#endif.
4255 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
4257 Fix PR tree-optimization/27373
4258 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
4259 (forward_propagate_addr_expr): Update call.
4261 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4263 * doc/options.texi: Move the Negative option.
4265 2006-05-16 Richard Guenther <rguenther@suse.de>
4267 PR tree-optimization/22303
4268 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
4270 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
4271 ccp_fold did not simplify the statement.
4273 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4276 * Makefile.in (GCC_OBJS): New.
4277 (OBJS-common): Add opts-common.o.
4278 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
4279 (cpp$(exeext)): Likewise.
4280 (gcc.o): Also depend on opts.h.
4281 (opts-common.o): New.
4283 * common.opt (gcoff): Add Negative(gdwarf-2).
4284 (gdwarf-2): Add Negative(gstabs).
4285 (gstabs): Add Negative(gstabs+).
4286 (gstabs+): Add Negative(gvms).
4287 (gvms): Add Negative(gxcoff).
4288 (gxcoff): Add Negative(gxcoff+).
4289 (gxcoff+): Add Negative(gcoff).
4290 * config/i386/i386.opt (m32): Add Negative(m64).
4291 (m64): Add Negative(m32).
4293 * doc/options.texi: Document the Negative option.
4295 * gcc.c: Include "opts.h".
4296 (main): Call prune_options after expandargv.
4298 * optc-gen.awk: Generate common declarations for all flag
4299 variables in options.c. Output the neg_index field.
4301 * opts.c (find_opt): Moved to ...
4302 * opts-common.c: Here. New file.
4304 * opts.h (cl_option): Add a neg_index field.
4306 (prune_options): Likewise.
4308 2006-05-16 Jakub Jelinek <jakub@redhat.com>
4311 * omp-low.c (expand_omp_parallel): Don't assert
4312 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
4313 instead search for it.
4316 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
4319 2006-05-16 Andreas Schwab <schwab@suse.de>
4321 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
4324 2006-05-15 Roger Sayle <roger@eyesopen.com>
4327 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
4328 integer constants other than zero are only legitimate on TARGET_64BIT.
4329 <CONST_VECTOR> Only zero vectors are legitimate.
4330 (ix86_cannot_force_const_mem): Integral and vector constants can
4331 always be put in the constant pool.
4333 2006-05-16 DJ Delorie <dj@redhat.com>
4335 * crtstuff.c (__dso_handle): Set section from
4336 TARGET_LBIGCC_SDATA_SECTION if defined.
4337 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
4338 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
4340 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
4343 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
4346 2006-05-16 Ben Elliston <bje@au.ibm.com>
4348 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
4350 2006-05-15 Per Bothner <per@bothner.com>
4352 * tree.c: (last_annotated_node): Use source_locus typedef.
4353 This permits bootstrapping with --enable-mapped-location.
4355 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
4357 PR tree-optimization/26830
4358 * tree-into-ssa.c (struct ssa_name_info): Add age field.
4359 (info_for_ssa_name, current_info_for_ssa_name_age,
4360 blocks_to_update): New variables.
4361 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
4362 (clear_ssa_name_info, initialize_flags_in_bb,
4363 mark_block_for_update): New functions.
4364 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
4365 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
4366 prepare_def_site_for): Use mark_block_for_update.
4367 (mark_def_interesting): Assert that the processed block is marked in
4368 blocks_to_update. Do not take blocks argument.
4369 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
4371 (rewrite_update_init_block, rewrite_update_stmt): Only process
4372 blocks with statements to rewrite.
4373 (delete_update_ssa): Do not clear SSA_NAME_AUX.
4374 (update_ssa): Initialize and free blocks_to_update. Do not
4375 clear flags on statements. Do not use blocks bitmap.
4376 * tree.h (SSA_NAME_AUX): Removed.
4377 (struct tree_ssa_name): Removed aux field.
4378 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
4380 2006-05-15 Richard Guenther <rguenther@suse.de>
4382 PR tree-optimization/27603
4383 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4384 Do computations in original type.
4386 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
4388 * see.c: Code style changes such as redundant paranthesis,
4389 redundant intialization of local variables etc.
4390 (see_main): Declared now as static.
4391 * doc/invoke.texi: Update that -fsee is not enabled by
4394 2006-05-15 Jakub Jelinek <jakub@redhat.com>
4396 * omp-low.c (check_omp_nesting_restrictions): New function.
4397 (scan_omp_1): Call it.
4400 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
4401 construct, return *VAR.
4403 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
4405 PR rtl-optimization/27406
4406 * bt-load.c (migrate_btr_def): Skip the block having abnormal
4409 2006-05-14 Roger Sayle <roger@eyesopen.com>
4411 PR rtl-optimization/27538
4412 * combine.c (expand_compound_operation): Call gen_lowpart
4413 before calling simplify_shift_const.
4415 2006-05-14 Roger Sayle <roger@eyesopen.com>
4417 PR rtl-optimization/22563
4418 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
4419 a fixed width bitfield, always force the intermediates into psuedos.
4421 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
4424 * mkconfig.sh: Use operator = instead of == for test.
4426 2006-05-13 Nick Clifton <nickc@redhat.com>
4428 * dwarf2out.c (dbx_reg_number): Check return value from
4429 LEAF_REG_REMAP and only use it if it is valid.
4430 (multiple_reg_loc_descriptor): Likewise.
4432 2006-05-13 Richard Guenther <rguenther@suse.de>
4434 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
4437 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
4439 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
4440 information attached to non-INSNs such as NOTEs.
4441 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
4443 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
4445 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
4447 * config/s390/s390.md: Adjust comment describing On constraint.
4449 2006-05-11 Jan Hubicka <jh@suse.cz>
4451 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
4452 to be output at -O0.
4454 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4457 * fold-const.c (size_binop): Move sanity check for arguments to
4458 the beginning of the function.
4461 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
4464 2006-05-11 Richard Guenther <rguenther@suse.de>
4467 * fold-const.c (fold_unary): Handle intermediate conversion
4468 to a pointer type like intermediate conversion to an integer
4469 type in folding of (T1)(T2)var to var.
4470 Match the code to the comment in the final conversion for
4471 (T1)(T2)var to (T1)var regarding to type precision. Rather
4472 than disallow T1 being of pointer type, assert that both T1
4473 and var are of pointer type or not. Make sure not to fall
4474 over the frontends lazyness wrt array to pointer decay though.
4476 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
4478 * arm.c (arm_struct_value_rtx): Delete.
4479 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
4480 (arm_init_cumulative_args): Always initialize nregs to zero.
4482 2006-05-10 Richard Guenther <rguenther@suse.de>
4484 PR tree-optimization/27532
4485 * tree-object-size.c (plus_expr_object_size): Fix typo.
4487 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
4490 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
4491 ashrdi_const, ashrdi3): Use a scratch register.
4493 2006-05-10 Richard Guenther <rguenther@suse.de>
4495 PR tree-optimization/27302
4496 * fold-const.c (operand_equal_p): For two comparisons,
4497 try comparison of one comparison code swapped if that yields
4500 2006-05-10 Ben Elliston <bje@au.ibm.com>
4502 * tree-pretty-print.c (pretty_print_string): No need to handle
4503 '\0' as a special character.
4505 * tree.h: Include "hashtab.h".
4506 (iterative_hash_expr): Use hashval_t in its prototype.
4507 * Makefile.in (TREE_H): Add $(HASHTAB_H).
4509 2006-05-09 Steve Ellcey <sje@cup.hp.com>
4512 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
4513 (hppa*64*-*-hpux11*): Ditto.
4514 (hppa[12]*-*-hpux11*): Ditto.
4516 2006-05-09 David Edelsohn <edelsohn@gnu.org>
4519 * config/rs6000/aix41.h (TARGET_64BIT): Define.
4521 2006-05-09 Michael Matz <matz@suse.de>
4523 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
4524 host_extra_gcc_objs and host_xmake_file.
4525 (<*-*-linux*>): Don't overwrite host_xmake_file.
4526 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
4527 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
4528 (host_detect_local_cpu): Declare.
4529 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
4530 * config/i386/i386.c (override_options): Handle -mtune=native
4532 * config/i386/x-i386: New file.
4533 * config/i386/driver-i386.c: New file.
4534 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
4537 2006-05-09 Dirk Mueller <dmueller@suse.de>
4538 Richard Guenther <rguenther@suse.de>
4541 * fold-const.c (fold_read_from_constant_string): Relax check
4542 for matching types to matching modes.
4544 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
4546 PR rtl-optimization/27335
4547 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
4550 2006-05-08 Chao-ying Fu <fu@mips.com>
4551 Richard Sandiford <richard@codesourcery.com>
4553 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
4554 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
4555 * config/mips/mips.md (UNSPEC_SCC): New constant.
4556 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
4557 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
4558 (mips_emit_compare): Use it.
4559 (mips_expand_vcondv2sf): New function.
4561 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
4563 Fix PR tree-optimization/27093
4564 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
4565 renaming when they become not-used_alone.
4567 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4569 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
4570 relocation and relocation stubs.
4572 2006-05-08 Eric Christopher <echristo@apple.com>
4574 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
4577 2006-05-08 Jan Hubicka <jh@suse.cz>
4580 * cgraphunit.c (decide_is_function_needed): When not optimizing even
4581 unused static functions are needed.
4583 2006-05-08 Roger Sayle <roger@eyesopen.com>
4586 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4587 of a reg_equiv_constant if the result is a legitimate constant.
4589 2006-05-08 Uros Bizjak <uros@kss-loka.si>
4592 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
4593 standard 80387 constants, raise the cost to prevent
4594 compress_float_constant() to generate load from memory.
4596 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
4598 * config/arm/constraints.md (c): Fix a typo.
4600 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
4603 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
4606 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
4608 (_mm_mwait): Likewise.
4610 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
4612 (sse3_monitor): Make it 32bit only.
4613 (sse3_monitor64): New. 64bit monitor.
4615 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4618 * config/i386/i386.c (classify_argument): Skip fields with invalid
4621 2006-05-07 Richard Guenther <rguenther@suse.de>
4623 PR tree-optimization/27409
4624 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4625 Do not try to find zero-sized subvars.
4627 2006-05-07 Richard Guenther <rguenther@suse.de>
4629 PR tree-optimization/27136
4630 * tree-ssa-loop-niter.c (get_val_for): Correct function
4631 comment, assert requirements.
4632 (loop_niter_by_eval): Stop processing if the iterated
4633 value did not simplify.
4635 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
4637 * opts.c (flag_see): remove its setting at -O3.
4639 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
4641 * genpeep.c (main): Make insn-peep.c depend on flags.h.
4642 * arm/constraints.md: New file.
4643 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
4644 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
4645 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
4646 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
4647 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
4648 (EXTRA_MEMORY_CONSTRAINT): Likewise.
4649 * arm.md: Include constraints.md.
4650 (thumb_movsi_insn): Use satisfies_constraint_J.
4651 (movhi, movqi): Use satisfies_constraint_I.
4653 2006-04-29 Anatoly Sokolov <aesok@post.ru>
4655 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
4656 for atmeg a645 device.
4658 2006-05-06 Richard Guenther <rguenther@suse.de>
4660 PR tree-optimization/27151
4661 * tree-vect-transform.c (vectorizable_condition): Punt on
4662 values that have a different type than the condition.
4664 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
4667 * c-parser.c (c_parser_cast_expression): Only insert casts into
4668 hash table if pointer.
4669 * function.c (used_types_insert_helper): Rename from
4671 (used_types_insert): Call used_types_insert_helper.
4672 * function.h (used_types_insert): Accept only one argument.
4674 2006-05-05 David Edelsohn <edesohn@gnu.org>
4676 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
4677 scratch with output modifier.
4679 2006-05-04 David Edelsohn <edelsohn@gnu.org>
4682 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
4683 with output modifier.
4685 2006-05-04 Richard Sandiford <richard@codesourcery.com>
4688 * config/mips/mips.c (mips_symbolic_address_p): Return true
4689 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
4690 SYMBOL_GOTTPREL, and SYMBOL_TLS.
4692 2006-05-04 Richard Guenther <rguenther@suse.de>
4694 PR tree-optimization/14287
4695 PR tree-optimization/14844
4696 PR tree-optimization/19792
4697 PR tree-optimization/21608
4698 PR tree-optimization/27090
4699 * tree-ssa-pre.c (try_combine_conversion): New function.
4700 (compute_avail): After constructing the value-handle
4701 expression, use try_combine_conversion to combine NOP_EXPRs
4702 with previous value-handle expressions and use the result if it
4705 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
4707 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
4709 2006-05-04 Jan Hubicka <jh@suse.cz>
4712 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
4714 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
4716 * config/bfin/predicates.md (const01_rtx): Tell generator programs
4717 that this only matches CONST_INTs. All users changed to VOIDmode
4720 * config/bfin/bfin.c: Include "optabs.h".
4721 (bfin_rtx_costs): Some costs for vector operations, to allow combine
4723 (enum bfin_builtins): Add a number of fractional and vector builtins.
4724 (bfin_init_builtins): Likewise.
4725 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
4726 (safe_vector_operand, bfin_expand_binop_builtin,
4727 bfin_expand_unop_builtin): New functions.
4728 (bfin_expand_builtin): Handle the new builtins.
4729 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4732 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
4735 * Makefile.in (OBJS-common): Add see.o.
4736 (see.o): Add dependencies.
4737 * common.opt (fsee): New flag for the see optimization was added.
4738 * opts.c (flag_see): Initialized.
4739 * passes.c (init_optimization_passes, pass_see): New pass.
4740 * rtl.h (see_main): Declaration as extern.
4741 * timevar.def (TV_SEE): New.
4742 * tree-pass.h (pass_see): Declaration as extern.
4743 * invoke.texi (-fsee): Document.
4744 * recog.c (validate_simplify_insn): New function.
4745 * recog.h (validate_simplify_insn): Declaration as extern.
4746 * df-problems.c (df_chain_dump): Check for NULL.
4748 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
4749 Daniel Berlin <dberlin@dberlin.org>
4751 * cfgrtl.c (insert_insn_bb_end_new): New function.
4752 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
4754 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4756 * df.h (struct web_entry): Moved from web.c.
4757 (union_defs): Declaration as extern.
4758 (unionfind_root): Likewise.
4759 (unionfind_union): Likewise.
4760 * web.c (struct web_entry): Moved to df.h.
4761 (unionfind_root): Remove static declaration.
4762 (unionfind_union): Likewise.
4763 (union_defs): Likewise and generalize to use callback function.
4764 (web_main): Update arguments for union_defs function call.
4766 2006-05-04 Richard Guenther <rguenther@suse.de>
4768 PR tree-optimization/26447
4769 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
4770 produce SSA_NAME copies before the store stmt to avoid
4771 breaking exception handling.
4773 2006-05-04 Jakub Jelinek <jakub@redhat.com>
4776 * gimplify.c (omp_is_private): If var is shared in some outer context,
4777 return false instead of true. Stop searching on parallel context
4780 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
4783 * coverage.c: Use get_gcov_unsigned_t() instead of
4784 unsigned_type_node all over.
4786 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
4788 PR tree-optimization/27381
4789 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
4790 maintain the same immediate_use links.
4791 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
4792 node rather than segfaulting.
4794 2006-05-03 Jakub Jelinek <jakub@redhat.com>
4797 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
4798 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
4799 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
4801 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
4803 Fix PR tree-optimization/26626
4804 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
4806 * tree-ssa-operands.c (access_can_touch_variable): Allow
4807 typecasting through union pointers.
4809 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4812 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
4813 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
4814 to find if var will be a global variable even in the nested context.
4815 (omp_copy_decl): Only check for global variable at the end, it might
4816 be overridden in outer contexts.
4817 (scan_sharing_clauses): For global variables don't create a field.
4818 (lower_rec_input_clauses): Do nothing for global shared variables.
4819 Emit a barrier at the end of ILIST if there were any decls in both
4820 firstprivate and lastprivate clauses.
4821 (lower_send_clauses): Do nothing for global variables except for
4824 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
4826 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
4827 of the correct signedness is returned.
4829 2006-05-02 Jeff Law <law@redhat.com>
4831 PR tree-optimization/27364
4832 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
4833 multiply expressions.
4835 2006-05-02 Tom Tromey <tromey@redhat.com>
4837 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
4839 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
4842 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
4843 -mthumb -fPIC are used.
4845 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
4846 Joshua Kinard <kumba@gentoo.org>
4849 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
4850 with 64-bit pointers.
4852 2006-05-02 Paul Brook <paul@codesourcery.com>
4854 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
4856 (create_fix_barrier): Check that a suitable barrier location is
4858 (arm_reorg): Include ftmp->address in allowable range of addresses.
4860 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
4863 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
4866 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4869 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
4870 around RESULT_DECL for result passed by reference.
4871 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
4872 * omp-low.c (use_pointer_for_field): Don't look at
4873 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
4874 (scan_omp_1): Call remap_decl on RESULT_DECLs.
4875 (lower_rec_input_clauses): Don't allocate VLA memory for the second
4876 time or var for passing by reference for
4877 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
4878 TREE_ADDRESSABLE variables when passing by reference.
4880 * omp-low.c (dump_omp_region): Fix output formatting.
4883 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
4884 (expand_omp_parallel): Likewise.
4885 * tree-cfg.c (move_sese_region_to_fn): Likewise.
4888 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
4889 on statement list containing also constructors and destructors.
4890 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
4893 * except.c (duplicate_eh_regions): Fix clearing of
4894 cfun->eh->region_array entries.
4896 2006-05-01 DJ Delorie <dj@redhat.com>
4898 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
4900 (gcc_cv_objdump): Likewise.
4901 * configure: Regenerated.
4903 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
4906 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
4907 templates for case 3 and 4.
4909 2006-05-01 DJ Delorie <dj@redhat.com>
4911 * vec.c: Include bconfig.h when appropriate.
4912 * Makefile.in (build/vec.o): Adjust dependencies.
4913 * mkconfig.sh: Make sure config.h isn't used for build machine
4916 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4918 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
4920 (mark_phi_for_rewrite): New function.
4921 (insert_phi_nodes_for, mark_use_interesting): Call
4922 mark_phi_for_rewrite.
4923 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
4924 (update_ssa): Initialize and free phis_to_rewrite.
4926 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4928 PR rtl-optimization/27291
4929 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
4930 folded to a constant.
4932 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4934 PR tree-optimization/27283
4935 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
4936 not whole # of iteration descriptions.
4937 (niter_for_exit): Return just # of iterations. Fail if # of iterations
4938 uses abnormal ssa name.
4939 (niter_for_single_dom_exit): Ditto.
4940 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
4941 return just the number of iterations.
4943 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4945 PR tree-optimization/27144
4946 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
4947 (record_estimate): Only record constant upper bound.
4948 (infer_loop_bounds_from_undefined): Call
4949 compute_estimated_nb_iterations just once.
4950 (proved_non_wrapping_p): Renamed to ...
4951 (n_of_executions_at_most): ... this. Expect bound to be a constant.
4952 (convert_step_widening, scev_probably_wraps_p): Call
4953 n_of_executions_at_most instead of proved_non_wrapping_p.
4954 (substitute_in_loop_info): Do not replace values in bounds.
4955 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
4958 2006-05-01 Richard Henderson <rth@redhat.com>
4961 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
4962 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
4965 2006-05-01 Roger Sayle <roger@eyesopen.com>
4967 * c-typeck.c (parser_build_binary_op): Don't call the function
4968 unsigned_conversion_warning to spot operand/result type overflow.
4969 (build_binary_op): Instead, call convert_and_check instead of
4970 convert to report the problem when the operands are promoted.
4971 * c-common.c (unsigned_conversion_warning): Make static.
4972 * c-common.h (unsigned_conversion_warning): Delete prototype.
4974 2006-05-01 Richard Guenther <rguenther@suse.de>
4976 PR tree-optimization/26726
4977 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
4979 (find_interesting_uses_address): ... we work around here
4980 by folding INDIRECT_REFs in the substituted base.
4982 2006-05-01 Diego Novillo <dnovillo@redhat.com>
4984 * omp-low.c (dump_omp_region): Add newlines.
4986 2006-04-30 Roger Sayle <roger@eyesopen.com>
4988 * common.opt (Woverflow): New command line option.
4989 * c-common.c (constant_expression_warning): Check warn_overflow.
4990 (overflow_waring): Pass OPT_Woverflow to warning.
4991 (unsigned_conversion_warning): Likewise.
4992 (convert_and_check): Likewise.
4993 * doc/invoke.texi: Document new command line option.
4995 2006-04-30 David Edelsohn <edelsohn@gnu.org>
4997 * config/rs6000/rs6000.c (rs6000_override_options): Enable
4998 TARGET_NO_FP_IN_TOC for section anchors.
4999 (optimization_options): Enable section anchors for all
5000 non-"Objective" languages.
5002 2006-04-28 Eric Christopher <echristo@apple.com>
5004 * config/darwin-c.c (darwin_ms_struct): Move this
5005 (darwin_set_default_type_attributes): and this...
5006 * config/darwin.c: ... here.
5007 * config/darwin.h (darwin_ms_struct): Declare.
5009 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
5011 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
5013 2006-04-28 Roger Sayle <roger@eyesopen.com>
5016 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
5017 (push_array_bounds): Delete prototype. Change BOUNDS argument to
5018 an unsigned HOST_WIDE_INT.
5019 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
5021 (really_start_incremental_init): No need to call convert because
5022 bitsize_zero_node is already of type bitsizetype.
5023 (push_init_level): Extract the value of constructor_index as an
5024 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
5025 (process_init_element): Likewise.
5027 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
5029 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
5030 value before passing to make_relative_prefix.
5032 2006-04-28 Alan Modra <amodra@bigpond.net.au>
5035 * builtins.c (expand_builtin_memset): Expand val in original mode.
5037 2006-04-27 Eric Christopher <echristo@apple.com>
5039 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
5040 with #ifndef/#endif.
5041 * config/darwin-c.c (darwin_ms_struct): New.
5042 (darwin_pragma_ms_struct): Ditto.
5043 (darwin_set_default_type_attributes): Ditto.
5044 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
5045 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
5046 Register ms_struct pragma.
5047 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
5048 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
5049 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
5050 darwin_set_default_type_attributes if TARGET_MACHO.
5052 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
5054 PR tree-optimization/26854
5055 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
5056 * doc/tree-ssa.texi: Update immuse iterator documentation.
5057 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
5058 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
5059 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
5060 first_safe_imm_use, next_safe_imm_use): Remove.
5061 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
5062 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
5063 (move_use_after_head): New. Helper function to sort immuses in a stmt.
5064 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
5065 (first_imm_use_stmt): New. Get first stmt in an immuse list.
5066 (next_imm_use_stmt): New. Get next stmt in an immuse list.
5067 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
5068 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
5069 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
5070 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
5071 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
5072 (perfect_nestify): Use new iterator.
5073 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
5075 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
5076 (next_imm_name): New field in struct immediate_use_iterator_d.
5077 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
5078 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
5079 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
5080 * tree-cfg.c (replace_uses_by): Use new iterator.
5081 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
5082 * tree-ssa-operands.c (correct_use_link): Remove.
5083 (finalize_ssa_use_ops): No longer call correct_use_link.
5085 2006-04-27 Stuart Hastings <stuart@apple.com>
5087 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
5088 * config/t-darwin (crt3.o): Use it.
5089 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
5090 'pmode', use Pmode instead of SImode for SYMBOL_REF.
5091 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
5092 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
5093 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
5096 2006-04-27 Roger Sayle <roger@eyesopen.com>
5098 * expmed.c (store_fixed_bit_field): If we're not optimizing for
5099 size, force the intermediate into a new pseudo rather instead of
5100 performing both a bitwise AND and a bitwise IOR in memory.
5102 2006-04-27 Richard Guenther <rguenther@suse.de>
5104 PR rtl-optimization/26685
5105 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
5106 this one "max-flow-memory-locations".
5108 2006-04-27 Richard Guenther <rguenther@suse.de>
5110 PR tree-optimization/25148
5111 * tree-vrp.c (compare_values): Remove code dealing with
5112 comparisons against type min/max value. Honour overflow
5113 and negative constants in code dealing with comparisons
5114 of plus and minus expressions.
5115 (value_inside_range): Use fold_binary with LE_EXPR and
5116 GE_EXPR rather than compare_values.
5118 2006-04-27 Dirk Mueller <dmueller@suse.de>
5120 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
5123 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
5125 * basic-block.h (safe_insert_insn_on_edge): Removed.
5126 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
5128 2006-04-26 David Edelsohn <edelsohn@gnu.org>
5129 Paolo Bonzini <bonzini@gnu.org>
5132 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
5133 (simplify_and_const_int): Same.
5135 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
5137 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
5139 2006-04-26 Jakub Jelinek <jakub@redhat.com>
5142 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
5143 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
5144 cgraph_global_info_ready.
5147 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
5150 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
5151 either decl or init is error_mark_node.
5154 * tree-flow.h (struct omp_region): Add sched_kind.
5155 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
5156 instead of extracting omp for data.
5157 (expand_omp_for): Save extracted sched_kind.
5159 2006-04-25 Roger Sayle <roger@eyesopen.com>
5161 * expmed.c (store_bit_field): Also check whether the bitsize is
5162 valid for the machine's "insv" instruction before moving the
5163 target into a pseudo for use with the insv.
5164 * config/i386/predicates.md (const8_operand): New predicate.
5165 * config/i386/i386.md (extv, extzv, insv): Use the new
5166 const8_operand predicate where appropriate.
5168 2006-04-25 DJ Delorie <dj@redhat.com>
5170 * doc/install.texi (Specific): Clarify that this is not a list of
5171 supported hosts or targets.
5173 2006-04-25 Richard Sandiford <richard@codesourcery.com>
5175 PR rtl-optimization/26725
5176 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
5177 block's BB_DIRTY flag.
5179 2006-04-25 Geoffrey Keating <geoffk@apple.com>
5181 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
5184 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
5185 to print an integer.
5187 2006-04-25 David Edelsohn <edelsohn@gnu.org>
5189 * varasm.c (align_variable): New function.
5190 (get_block_for_decl): Apply align_variable to DECL before
5191 calculating section information.
5192 (assemble_variable): Split out alignment computation.
5194 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
5196 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
5199 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
5201 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
5202 MODE_PARTIAL_INT mode.
5203 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
5204 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
5206 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
5207 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
5209 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
5211 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
5213 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
5214 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
5215 MACFLAG_IH): Likewise.
5216 (movstricthi_1): Renamed from "*movstricthi".
5217 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
5218 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
5219 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
5220 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
5221 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
5222 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
5223 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
5224 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
5225 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
5226 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
5227 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
5228 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
5229 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
5230 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
5231 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
5233 * doc/rtl.texi (ss_ashift): Improve wording.
5235 2006-04-24 Geoffrey Keating <geoffk@apple.com>
5237 * dwarf2out.c (verify_marks_clear): New.
5238 (prune_unused_types): Call verify_marks_clear initially, not
5241 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
5243 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
5244 * doc/rtl.texi: Document them.
5245 * simplify-rtx.c (simplify_unary_operation,
5246 simplify_binary_operation_1): Don't abort when we see them.
5248 2006-04-24 Mark Mitchell <mark@codesourcery.com>
5251 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5252 * configure.ac: Completely disregard languages that are not
5254 * configure: Regenerated.
5256 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5257 Richard Guenther <rguenther@suse.de>
5259 PR tree-optimization/27236
5260 * tree-inline.c (copy_body_r): Make sure to copy
5261 TREE_THIS_VOLATILE flag.
5263 2006-04-24 Richard Guenther <rguenther@suse.de>
5266 * tree-complex.c (update_parameter_components): Don't handle
5267 unused parameters which have no default def.
5269 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5270 Richard Guenther <rguenther@suse.de>
5272 PR tree-optimization/27218
5273 * tree-inline.c (expand_call_inline): Strip useless type
5274 conversions for the return slot address.
5276 2006-04-24 Richard Guenther <rguenther@suse.de>
5278 * cfgloop.h (struct loops): Remove unused field array. Reorder
5280 (LOOP_PREFETCH): Remove.
5282 2006-04-24 Richard Guenther <rguenther@suse.de>
5284 PR tree-optimization/22525
5285 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
5286 variable, adjust types of generated expressions.
5288 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
5290 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
5291 (tree-vect-patterns.o): Likewise.
5293 (cselib.o): Likewise.
5294 (loop-doloop.o): Likewise.
5295 (regclass.o): Likewise.
5296 (reload1.o): Likewise.
5297 (explow.o): Replace target.h with $(TARGET_H).
5298 (ipa-prop.o): Likewise.
5299 (ipa-cp.o): Likewise.
5300 (ipa-inline.o): Likewise.
5301 (reorg.o): Likewise.
5302 (reg-stack.o): Likewise.
5304 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5306 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
5308 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5310 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
5312 * configure.ac: Completely disregard languages that are not
5314 * configure: Regenerated.
5317 * c-common.h (c_build_bitfield_integer_type): Declare.
5318 * c-decl.c (c_build_bitfield_integer_type): Move to ...
5319 * c-common.c (c_build_bitfield_integer_type): ... here.
5321 2006-04-23 Roger Sayle <roger@eyesopen.com>
5324 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
5325 a SImode SUBREG of a floating point register after no_new_pseudos.
5327 2006-04-23 Roger Sayle <roger@eyesopen.com>
5329 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
5330 identify potentially eliminable registers to additionally catch
5331 VIRTUAL_INCOMING_ARGS_REGNUM.
5332 (addsi3): Update the conditions on when to use addsi_small_int.
5334 2006-04-23 Roger Sayle <roger@eyesopen.com>
5337 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
5338 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
5339 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
5341 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5343 * fold-const.c (range_predecessor): Use operand_equal_p
5344 as the predicate for equality.
5345 (range_successor): Likewise.
5347 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5350 * config/soft-fp/op-common.h: Fix a typo.
5352 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
5355 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
5356 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
5358 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5360 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
5362 * doc/tm.texi: Fix a typo.
5364 2006-04-21 Geoffrey Keating <geoffk@apple.com>
5366 * dwarf2out.c (struct die_struct): Document that die_sib makes
5367 a circular linked list.
5368 (FOR_EACH_CHILD): New.
5369 (reverse_die_lists): Delete.
5370 (reverse_all_dies): Delete.
5371 (add_dwarf_attr): Correct documentation.
5372 (remove_child_with_prev): New.
5373 (remove_child_TAG): Update for change to die_struct, use
5374 remove_child_with_prev.
5375 (add_child_die): Update for change to die_struct.
5376 (splice_child_die): Use remove_child_with_prev and add_child_die.
5377 (print_die): Use FOR_EACH_CHILD.
5378 (die_checksum): Likewise.
5379 (assign_symbol_names): Likewise.
5380 (output_location_lists): Likewise.
5381 (build_abbrev_table): Likewise.
5382 (calc_die_sizes): Likewise.
5383 (mark_dies): Likewise.
5384 (unmark_dies): Likewise.
5385 (unmark_all_dies): Likewise.
5386 (output_die): Likewise.
5387 (prune_unused_types_mark): Likewise.
5388 (prune_unused_types_walk): Likewise.
5389 (same_die_p): Update for change to die_struct.
5390 (break_out_includes): Likewise.
5391 (prune_unused_types_prune): Likewise.
5392 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
5393 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
5395 (dwarf2out_finish): Don't call reverse_all_dies.
5397 2006-04-21 Eric Christopher <echristo@apple.com>
5399 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
5400 in comments and function names.
5402 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5405 * c-typeck.c (digest_init): Robustify.
5407 * c-typeck.c (pop_init_level): Simplify.
5409 2006-04-21 Steve Ellcey <sje@cup.hp.com>
5411 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
5413 2006-04-21 Paul Brook <paul@codesourcery.com>
5415 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
5416 hardware floating point.
5418 2006-04-21 David Edelsohn <edelsohn@gnu.org>
5420 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
5423 2006-04-21 Nick Clifton <nickc@redhat.com>
5425 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
5428 2006-04-21 Alan Modra <amodra@bigpond.net.au>
5431 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
5432 C++ lang type in traceback table for Objective-C++.
5434 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
5436 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
5438 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
5440 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5443 * tree-mudflap.c (mudflap_finish_file): Skip function when there
5444 were errors. Remove check for erroneous objects.
5446 2006-04-20 Jeff Law <law@redhat.com>
5448 PR tree-optimization/26854
5449 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
5450 checking for zero or one use.
5451 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
5452 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
5453 * tree-ssa-reassoc.c (negate_value): Similarly.
5454 (reassociate_bb): Similarly.
5456 2006-04-20 Jakub Jelinek <jakub@redhat.com>
5458 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
5459 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
5460 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
5462 2006-04-20 Alan Modra <amodra@bigpond.net.au>
5464 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
5465 fp regs if the last fp arg doesn't fit in regs.
5467 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
5470 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
5471 that the last insn has the REG_INC note.
5473 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
5474 Nathan Sidwell <nathan@codesourcery.com>
5477 * stor-layout.c (update_alignment_for_field): Do not align
5479 (place_union_field): Place union field at the start of the union.
5480 (place_field): Move ERROR_MARK check later, and use the current
5481 allocation position to maintain monotonicity.
5483 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
5485 * dominance.c: Include timevar.h.
5486 (calculate_dominance_info): Use TV_DOMINANCE.
5487 * timevar.def (TV_DOMINANCE): New timevar.
5488 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
5490 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5492 PR rtl-optimization/14261
5493 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
5494 move would be an INSV insn.
5495 (noce_process_if_block): Don't optimize if the destination is a
5496 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
5498 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5500 * config/s390/s390.md: Add comments with the instructions emitted
5501 by an insn pattern if macros are used.
5503 2006-04-19 Alan Modra <amodra@bigpond.net.au>
5505 PR rtl-optimization/26026
5506 * fold-const.c (fold_binary): Optimize div and mod where the divisor
5507 is a known power of two shifted left a variable amount.
5509 2006-04-18 Geoffrey Keating <geoffk@apple.com>
5511 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
5512 to hash table twice when the debug_str section has SECTION_MERGE.
5514 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
5516 * config/soft-fp: New directory. From glibc.
5517 * config/soft-fp/t-softfp: New.
5518 * config/soft-fp/README: New.
5519 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
5520 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
5521 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
5522 (LIBGCC_DEPS): Add $(SFP_MACHINE).
5523 * config.gcc: Use rs6000/t-fprules-fpbit or
5524 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
5526 * config/rs6000/sfp-machine.h: New. Based on glibc.
5527 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
5529 * config/rs6000/t-fprules: Remove fp-bit rules.
5530 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
5531 * config/rs6000/t-linux64: Likewise. Remove duplicates from
5532 LIB2FUNCS_EXTRA. Remove fp-bit rules.
5533 (softfp_wrap_start, softfp_wrap_end): New.
5535 2006-04-18 DJ Delorie <dj@redhat.com>
5537 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
5539 2006-04-18 Devang Patel <dpatel@apple.com>
5541 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
5543 2006-04-18 Nick Clifton <nickc@redhat.com>
5545 * config/sh/t-symbian: Add rule to build sh-c.o
5546 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
5547 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
5548 (sh_symbian_encode_section_info): Likewise.
5550 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
5552 * builtins.c (expand_builtin_strcmp): Cover label definition of
5553 do_libcall with HAVE_cmpstrnsi.
5555 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
5557 * function.c (temp_slots_at_level, max_slot_level): Use VEC
5559 * function.h (temp_slot_p): New.
5560 (function): Change the type of x_used_temp_slots to
5561 VEC(temp_slot_p,gc) *.
5563 2006-04-18 Nick Clifton <nickc@redhat.com>
5565 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
5566 flag_strength_reduce.
5568 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
5570 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5574 Partial revert of revision 112637
5575 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5576 Dale Johannesen <dalej@apple.com>
5579 * regclass.c (struct reg_pref): Update documentation.
5580 (regclass): Set prefclass to NO_REGS if memory is the best option.
5581 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5583 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5585 PR tree-optimization/26821
5586 * tree-ssa-math-opts.c (get_constant_one): New.
5587 (insert_reciprocals): Use it.
5589 2006-04-17 Geoffrey Keating <geoffk@apple.com>
5591 * dwarf2out.c (free_AT): Delete.
5592 (remove_AT): Update string ref counts.
5593 (remove_child_TAG): Don't call free_die.
5595 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
5596 or DW_TAG_GNU_EINCL.
5597 (prune_unused_types_walk_attribs): Reset string refcounts.
5598 (prune_unused_types_update_strings): New.
5599 (prune_unused_types_prune): Don't make unnecessary stores. Don't
5600 call free_die. Do call prune_unused_types_update_strings.
5601 (prune_unused_types): Empty debug_str_hash.
5603 2006-04-17 Roger Sayle <roger@eyesopen.com>
5605 * expr.c (expand_assignment): Optimize away no-op moves where the
5606 source and destination are equal and have no side-effects.
5608 2006-04-17 Richard Guenther <rguenther@suse.de>
5611 * reload.c (push_reload): Guard calls to get_secondary_mem
5614 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
5616 * alias.c (reg_base_value, old_reg_base_value): Change the
5617 type to VEC(rtx,gc) *.
5618 (REG_BASE_VALUE, find_base_value, record_set,
5619 init_alias_analysis): Use VEC instead of VARRAY.
5621 * alias.c (alias_sets): Change the type to
5622 VEC(alias_set_entry,gc) *.
5623 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
5624 VEC instead of VARRAY.
5625 (last_alias_set): Remove.
5627 * cgraph.h (cgraph_edge_p): New.
5628 Update the prototype of cgraph_function_versioning.
5629 * cgraphunit.c (cgraph_copy_node_for_versioning,
5630 cgraph_function_versioning): Use VEC instead of VARRAY.
5631 * ipa-cp.c (ipcp_insert_stage): Likewise.
5633 2006-04-16 Roger Sayle <roger@eyesopen.com>
5636 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
5637 "A op B" or "A op C", we may need to convert A to the type of B and C.
5639 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
5641 * target.h (struct gcc_target): Add mode_rep_extended.
5642 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
5643 (init_num_sign_bit_copies_in_rep): Initialize it using
5645 (truncate_to_mode): Use it.
5646 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
5647 * targhooks.h (default_mode_rep_extended): Declare it.
5648 * targhooks.c (default_mode_rep_extended): Define it.
5649 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
5650 default_mode_rep_extended.
5651 (TARGET_INITIALIZER): Include it.
5652 * doc/tm.texi (Misc): Document it.
5653 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
5654 (mips_truncated_to_mode): New function.
5656 2006-04-16 Roger Sayle <roger@eyesopen.com>
5659 * expr.c (compress_float_constant): Copy the narrow constant into
5660 a new pseudo before extending it to its final width.
5662 2006-04-16 Roger Sayle <roger@eyesopen.com>
5663 Andrew Pinski <pinskia@gcc.gnu.org>
5664 Dale Johannesen <dalej@apple.com>
5667 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
5668 special case code to implement V8HImode and V16QImode with SSE2.
5670 2006-04-15 Roger Sayle <roger@eyesopen.com>
5672 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
5673 trees are constructed with a suitable tree type.
5675 2006-04-15 Roger Sayle <roger@eyesopen.com>
5677 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
5678 (integer_onep): Likewise.
5679 (integer_all_onesp): Likewise.
5680 (integer_pow2p): Likewise.
5681 (integer_nonzerop): Likewise.
5682 (real_zerop): Likewise.
5683 (real_onep): Likewise.
5684 (real_twop): Likewise.
5685 (real_minus_onep): Likewise.
5686 (int_size_in_bytes): Likewise.
5687 (host_integerp): Likewise.
5689 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
5691 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
5692 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
5693 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
5695 * tree-ssa-structalias.h (alias_info): Remove num_references.
5697 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5699 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
5700 (output_bvb patterns): Likewise.
5701 * pa.c (output_bb): Use 'bb' insn for long branch case.
5702 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
5703 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
5704 1. Correct length operand for alternatives 1 and 2.
5705 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
5706 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
5708 2006-04-14 Roger Sayle <roger@eyesopen.com>
5710 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
5711 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
5712 were accidentally reverted by r112959.
5714 2006-04-15 Jakub Jelinek <jakub@redhat.com>
5717 * except.h (eh_region_outermost): New prototype.
5718 * except.c (eh_region_outermost): New function.
5719 * tree-cfg.c (find_outermost_region_in_block): Use it.
5721 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5723 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
5725 * reload1.c (reg_equiv_memory_loc_varray): Rename to
5726 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
5727 (init_reload, reload): Use VEC instead of VARRAY.
5728 * reload.h: Update the prototype for
5729 reg_equiv_memory_loc_varray.
5731 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
5732 Eric Botcazou <ebotcazou@libertysurf.fr>
5734 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
5737 2005-04-13 Uros Bizjak <uros@kss-loka.si>
5740 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
5741 to expand fallback builtin function call.
5743 2006-04-14 Alan Modra <amodra@bigpond.net.au>
5746 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
5747 and emit libcall here in case the builtin fails.
5748 (expand_builtin_strcmp): Always emit the libcall here on failure.
5750 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5752 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
5753 * flow.c (reg_n_info): Change the type to
5754 VEC(reg_info_p,heap) *.
5755 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
5757 * regs.h (reg_info_p): New.
5758 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
5759 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
5760 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
5763 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
5765 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
5767 * params.h (MAX_SCHED_READY_INSNS): New macro.
5768 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
5769 past MAX_SCHED_READY_INSNS during the first scheduling pass.
5770 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
5771 the ready list for 1 cycle during the first scheduling pass.
5772 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
5774 2006-04-13 Richard Henderson <rth@redhat.com>
5777 * gimple-low.c (lower_omp_directive): Remove dead code.
5778 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
5779 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
5780 * omp-low.c (struct omp_region): Move to tree-flow.h.
5781 (root_omp_region): Export.
5782 (omp_regions, lookup_omp_region): Remove.
5783 (determine_parallel_type): Update for struct omp_region changes.
5784 (dump_omp_region): Dump regions with block numbers.
5785 (new_omp_region): Take type and block instead of stmt; malloc
5787 (free_omp_region_1, free_omp_regions): New.
5788 (expand_parallel_call): Take entry_stmt as argument; update for
5789 changes to omp_region.
5790 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
5791 (remove_exit_barriers): New.
5792 (expand_omp_parallel): Update for struct omp_region changes.
5793 (expand_omp_synch): Likewise.
5794 (expand_omp): Likewise.
5795 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
5796 (expand_omp_for_static_chunk): Likewise.
5797 (expand_omp_for): Likewise.
5798 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
5799 (expand_omp_sections): Similarly, with GOMP_sections_end.
5800 (expand_omp_single): New.
5801 (build_omp_regions_1): Update for OMP_CONTINUE.
5802 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
5803 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
5804 OMP_SECTIONS_SECTIONS.
5805 (lower_omp_single_simple): Don't emit barrier here.
5806 (lower_omp_single_copy): Likewise.
5807 (lower_omp_single): Fix bindings, and lower to straightline now.
5808 (lower_omp_master, lower_omp_ordered): Likewise.
5809 (lower_omp_critical): Likewise.
5810 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
5811 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
5812 omp edges, free it afterward.
5813 (make_omp_sections_edges): Remove.
5814 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
5815 (move_stmt_r): Handle OMP_CONTINUE.
5816 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
5817 statement pointers to basic blocks. Add type member.
5818 (root_omp_region, new_omp_region, free_omp_regions): Declare.
5819 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
5820 * tree-inline.c (estimate_num_insns_1): Likewise.
5821 * tree-pretty-print.c (dump_generic_node): Likewise.
5822 * tree-ssa-operands.c (get_expr_operands): Likewise.
5823 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
5824 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
5825 (OMP_CONTINUE): New.
5826 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
5827 (OMP_SECTIONS_SECTIONS): Remove.
5828 (OMP_SECTION_LAST): New.
5829 (OMP_RETURN_NOWAIT): New.
5831 2006-04-13 Roger Sayle <roger@eyesopen.com>
5833 * fold-const.c (native_encode_vector, native_interpret_real):
5834 Correct obvious mistakes in the previous check-in.
5836 2006-04-13 Roger Sayle <roger@eyesopen.com>
5838 * fold-const.c (native_encode_expr): New function to encode
5839 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
5840 or VECTOR_CST into a specified buffer.
5841 (native_encode_int): New function.
5842 (native_encode_real): New function.
5843 (native_encode_complex): New function.
5844 (native_encode_vector): New function.
5845 (native_interpret_expr): Inverse of native_encode_expr to convert
5846 a target representation into an INTEGER_CST, REAL_CST etc...
5847 (native_interpret_int): New function.
5848 (native_interpret_real): New function.
5849 (native_interpret_complex): New function.
5850 (native_interpret_vector): New function.
5851 (fold_view_convert_expr): New function to constant fold/evaluate
5852 a VIEW_CONVERT_EXPR of a suitable constant expression.
5853 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
5854 Change call of build1 to fold_build1 when constructing a
5857 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
5858 Ulrich Weigand <uweigand@de.ibm.com>
5861 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
5864 2006-04-13 Alan Modra <amodra@bigpond.net.au>
5867 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
5868 optimize to lo_sum for DFmode if !TARGET_FPRS.
5870 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5872 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
5873 delete_alias_info, compute_flow_sensitive_aliasing,
5874 group_aliases): Use VEC instead of VARRAY.
5875 * tree-ssa-structalias.c (update_alias_info): Likewise.
5876 * tree-ssa-structalias.h (alias_info): Change the type of
5877 processed_ptrs to VEC(tree,heap) *.
5879 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
5882 * config/sh/lib1funcs.h: New file, broken out of:
5883 * config/sh/lib1funcs.asm.
5884 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
5886 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
5887 * config/sh/lib1funcs-Os-4-200.asm: New file.
5888 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
5889 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
5890 (EXTRA_MULTILIB_PARTS): Include it.
5891 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
5892 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
5893 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
5894 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
5897 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5899 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
5900 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
5901 tpa_compact, root_var_init, type_var_init): Use VEC instead of
5903 * tree-ssa-live.h: Include vecprim.h.
5904 (tree_partition_associator_d): Change the type of
5905 first_partition to VEC(int,heap) *.
5906 (tpa_first_partition): Use VEC instead of VARRAY.
5908 * Makefile.in (GTFILES): Move functions.h after tree.h.
5909 * function.c (reset_block_changes, record_block_change,
5910 check_block_change, free_block_changes): Use VEC instead of
5912 * function.h (function): Change the type of
5913 ib_boundaries_block to VEC(tree,gc) *.
5914 * tree-inline.c (copy_cfg_body): Initialize
5915 ib_boundaries_block to NULL instead of (varray_type) 0.
5917 2006-04-12 Roger Sayle <roger@eyesopen.com>
5919 * expr.c (emit_group_store): Correct operand order in call to
5920 subreg_lowpart_offset. Always create paradoxical SUBREGs with
5921 a SUBREG_BYTE of zero.
5923 2006-04-12 Richard Guenther <rguenther@suse.de>
5925 * profile.c (compute_branch_probabilities): Remove code
5926 encapsulated in !ir_type (), which are remanents of the
5927 removed RTL profiling code.
5928 * rtl-profile.c: Remove.
5930 2006-04-12 Alan Modra <amodra@bigpond.net.au>
5932 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
5933 magic NULL_RTX comment.
5934 (function_arg): Store entire fp arg to mem if any part should go
5936 (rs6000_arg_partial_bytes): Adjust for above change.
5938 2006-04-11 Roger Sayle <roger@eyesopen.com>
5940 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
5941 if it hasn't been initialized by dwarf2out_init.
5943 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
5945 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
5946 symbolic constants in branch patterns.
5948 2006-04-11 Roger Sayle <roger@eyesopen.com>
5950 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
5952 2006-04-11 Richard Sandiford <richard@codesourcery.com>
5954 PR rtl-optimization/27073
5955 * gcse.c (try_replace_reg): Revert last change. Continue to search
5956 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
5959 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5961 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
5962 aggregate types other than record and union types.
5963 (function_arg): Likewise.
5964 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
5966 (function_value): In 64-bit mode, return objects that require it
5969 2006-04-11 Roger Sayle <roger@eyesopen.com>
5971 * dwarf2out.c (premark_used_types): Remove problematic prototype.
5973 2006-04-11 Jakub Jelinek <jakub@redhat.com>
5975 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
5977 2006-04-03 Jeff Law <law@redhat.com>
5980 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
5981 alias information too.
5983 2006-04-10 Mike Frysinger <vapier@gentoo.org>
5985 * Makefile.in (gcc-cross): Add $(exeext) to target name.
5987 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
5990 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
5991 (premark_used_types_helper): New.
5992 (premark_used_types): New.
5993 (gen_subprogram_die): Call premark_used_types.
5994 (prune_unused_types_walk): Do not prune perennial dies.
5995 * function.c (used_types_insert): New.
5996 * function.h (struct function): Add used_types_hash field.
5997 (used_types_insert): Add prototype.
5998 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
5999 * c-parser.c (c_parser_cast_expression): Save casted types in used
6002 2006-04-11 Mark Mitchell <mark@codesourcery.com>
6005 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
6006 rs6000_explicit_options.float_gprs.
6008 2006-04-10 Roger Sayle <roger@eyesopen.com>
6010 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
6011 from ix86_expand_vector_init_low_nonzero. Take an additional
6012 one_var argument indicating which element is non-zero. Support
6013 one_var != 0 for V4SFmode and V4SImode by permuting the result.
6014 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
6015 with one_var instead of ix86_expand_vector_init_low_nonzero.
6017 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
6019 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
6020 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
6021 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
6022 build/genextract.o): Depend on vecprim.h.
6023 * cfglayout.c, df-problems.c, function.c, genextract.c,
6024 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
6025 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
6029 2006-04-10 Geoffrey Keating <geoffk@apple.com>
6031 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
6032 Declare VECs of this type.
6033 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
6034 (remove_children): Delete.
6035 (add_dwarf_attr): Use VEC routines.
6036 (add_AT_flag): Update for changes to add_dwarf_attr.
6037 (add_AT_int): Likewise.
6038 (add_AT_unsigned): Likewise.
6039 (add_AT_long_long): Likewise.
6040 (add_AT_vec): Likewise.
6041 (add_AT_string): Likewise.
6042 (add_AT_die_ref): Likewise.
6043 (add_AT_fde_ref): Likewise.
6044 (add_AT_loc): Likewise.
6045 (add_AT_loc_list): Likewise.
6046 (add_AT_addr): Likewise.
6047 (add_AT_lbl_id): Likewise.
6048 (add_AT_lineptr): Likewise.
6049 (add_AT_macptr): Likewise.
6050 (add_AT_offset): Likewise.
6051 (add_AT_range_list): Likewise.
6052 (get_AT): Use VEC_iterate.
6053 (remove_AT): Use VEC_ordered_remove.
6054 (free_die): Fold remove_children into here; have it use VEC_iterate.
6055 (print_die): Use VEC_iterate on attrs.
6056 (reverse_die_lists): Don't reverse attr lists.
6057 (die_checksum): Use VEC_iterate on attrs.
6058 (same_die_p): Likewise.
6059 (output_location_lists): Likewise.
6060 (build_abbrev_table): Likewise.
6061 (size_of_die): Likewise.
6062 (unmark_all_dies): Likewise.
6063 (output_abbrev_section): Likewise.
6064 (output_die): Likewise.
6065 (prune_unused_types_walk_attribs): Likewise.
6067 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6069 * doc/install.texi (*-*-solaris2*): Point to the configure page.
6071 2006-04-10 Jakub Jelinek <jakub@redhat.com>
6074 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
6076 2006-04-09 Roger Sayle <roger@eyesopen.com>
6078 * expr.c (store_constructor): Don't bother clearing target if
6079 we're about to assign a vector to it using vec_init_optab.
6081 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
6083 * tree-ssa-alias.c (lhs_may_store_to): New function.
6084 (recalculate_used_alone): Handle LHS of calls.
6086 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6090 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
6091 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
6092 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
6093 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
6094 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
6095 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
6096 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
6097 stubs. Add ".align 8" directives before all ".dword" directives.
6098 (GTHREAD_USE_WEAK): Revise comment.
6099 (TARGET_ATTRIBUTE_WEAK): Define.
6100 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
6101 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
6102 * stublib.c: New file.
6107 * pa.md (cbranch patterns): Revise arguments used in calls to
6108 output_cbranch, output_bb and output_bvd. Add long branch length
6110 (fbranch patterns): Handle long branches.
6111 (jump): Revise length check. Revise arguments for output_lbranch call.
6112 Add long branch length attributes.
6113 (decrement_and_branch_until_zero): Add long branch length attributes.
6114 (output_movb, output_parallel_addb and output_parallel_movb patterns):
6115 Likewise. Revise arguments for output_parallel_addb and
6116 output_parallel_movb calls.
6117 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
6118 output_parallel_movb and output_parallel_addb): Update prototypes.
6119 * pa.c (output_cbranch): Revise arguments. Correct handling of
6120 nullification in long branches.
6121 (output_lbranch): Add new argument to control extraction of delay
6123 (output_bb): Handle long branches.
6124 (output_bvb, output_dbra, output_movb, output_parallel_movb,
6125 output_parallel_addb): Likewise.
6127 2006-04-09 Richard Sandiford <richard@codesourcery.com>
6129 PR rtl-optimization/27073
6130 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
6133 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
6135 * tree.h (tree_memory_tag): Add old_used_alone.
6136 (SMT_OLD_USED_ALONE): New macro.
6137 * tree-ssa-alias.c (recalculate_used_alone): Stop
6138 marking things for renaming unnecessarily.
6140 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
6142 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
6143 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
6144 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
6145 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
6146 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
6147 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
6148 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
6149 spelling convensions.
6150 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
6151 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
6152 typos. Follow spelling conventions.
6154 2006-04-07 DJ Delorie <dj@redhat.com>
6156 * config/m32c/m32c.c (m32c_function_arg): Structures are always
6157 passed on the stack.
6158 (m32c_init_cumulative_args): When a function returns a structure,
6159 always pass the pointer to that return area on the stack.
6160 (m32c_function_arg_advance): Don't increment the parameter number
6161 if we're processing the returned structure pointer.
6162 (pushm_info): Reverse order of registers.
6164 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
6166 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
6167 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
6168 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
6169 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
6171 * tree-chrec.c (chrec_fold_multiply_poly_poly,
6172 chrec_fold_multiply): Same.
6173 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
6174 force_expr_to_var_cost): Same.
6175 * tree-mudflap.c (mf_xform_derefs_1): Same.
6176 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
6178 2006-04-07 David Edelsohn <edelsohn@gnu.org>
6180 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
6181 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
6184 2006-04-07 Jan Hubicka <jh@suse.cz>
6186 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
6188 2006-04-07 Richard Guenther <rguenther@suse.de>
6190 PR tree-optimization/26135
6191 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
6192 loads for store copy-prop.
6193 (copy_prop_visit_stmt): Likewise.
6195 2006-04-05 Robert Millan <robertmh@gnu.org>
6197 * config/i386/linux.h: Add a comment to mark macros that are
6198 being overriden in config/k*bsd-gnu.h.
6199 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
6201 * config/knetbsd-gnu.h: Ditto.
6203 2006-04-06 Jan Hubicka <jh@suse.cz>
6207 * coverage.c (coverage_checksum_string): Reorganize loop to not read
6210 2006-04-06 Mike Stump <mrs@apple.com>
6212 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
6213 for HAVE_nonlocal_goto to be consistent.
6214 (expand_builtin_nonlocal_goto): Likewise.
6215 (expand_builtin_strcmp): Use #ifdef instead of #if
6216 for HAVE_cmpstrnsi to be consistent.
6218 2006-04-05 DJ Delorie <dj@redhat.com>
6220 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
6223 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
6225 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
6226 got-relative addressing for anything but SImode.
6228 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
6229 even if the calling function doesn't modify them.
6231 2006-04-05 Richard Guenther <rguenther@suse.de>
6233 PR tree-optimization/26919
6234 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
6235 to cgraph_estimate_size_after_inlining.
6237 2006-04-05 Alan Modra <amodra@bigpond.net.au>
6239 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
6241 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
6243 PR tree-optimization/26996
6244 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
6245 VECTOR_TYPE variables.
6247 2006-04-05 Richard Guenther <rguenther@suse.de>
6249 PR tree-optimization/26763
6250 * fold-const.c (fold_comparison): Move folding of
6251 PTR + CST CMP PTR + CST ...
6252 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
6254 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
6256 * doc/install.texi (Prerequisites): Refine some wording on
6257 bootstrapping and ksh.
6258 Move the version numbers of DejaGnu here from the testing section
6259 and fix casing of names.
6260 Fix markup and clarify wording for autogen requirements.
6261 Refer to GCJ instead of just java.
6262 Refer to SVN instead of CVS.
6263 Describe diffutils as useful instead of necessary.
6264 (Downloading the source): Refer to SVN instead of CVS.
6265 Adjust a link to our web site accordingly.
6266 (Configuration): Fix casing of Bison.
6267 (Building): Refer to SVN instead of CVS.
6268 Fix a sentence on the use of Bison and remove duplicate (and
6269 incorrect) version number of Bison requirement.
6270 Remove one redundant list of packages needed for building.
6271 (Specific): Avoid reference to CVS.
6273 2006-04-04 Eric Christopher <echristo@apple.com>
6275 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
6276 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
6277 (rs6000_handle_struct_attribute): New.
6278 (rs6000_ms_bitfield_layout_p): Ditto.
6280 2006-04-04 Geoffrey Keating <geoffk@apple.com>
6282 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
6283 NULL for dso parameter to atexit_common.
6285 2006-04-04 Eric Christopher <echristo@apple.com>
6287 * config/i386/i386.c (machopic_output_stub): Output \t
6288 between instructions and operands.
6290 2006-04-04 David Edelsohn <edelsohn@gnu.org>
6292 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
6293 satisfies_constraint_[IL] to explicit tests on value.
6295 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
6297 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6298 set_nb_iterations_in_loop): Use build_int_cst instead of
6300 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
6301 build_int_cst instead of convert.
6303 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
6305 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
6306 new value 2 for incoming.
6307 * function.c (expand_function_start): Call struct_value_rtx
6309 * config/sparc/sparc.md: Comment updated_return.
6310 * config/sparc/sparc.opt: Add -mstd-struct-return option.
6311 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
6312 struct return if sparc_std_struct_return and incoming is 2.
6313 (print_operand): Do not adjust return if
6314 sparc_std_struct_return.
6316 2006-04-04 Roger Sayle <roger@eyesopen.com>
6318 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
6319 convert in the middle-end.
6320 * expr.c (store_expr, store_constructor, get_inner_reference,
6321 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
6323 * tree.c (build_range_type): Likewise.
6325 2006-04-04 Tom Tromey <tromey@redhat.com>
6327 * doc/install.texi (Prerequisites): Mention jar.
6329 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
6331 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
6334 2006-04-04 Matthias Klose <doko@debian.org>
6336 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
6337 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
6340 2006-04-03 Geoffrey Keating <geoffk@apple.com>
6342 * doc/extend.texi (Function Attributes): Rewrite visibility
6343 attribute documentation.
6344 * doc/invoke.texi (C++ Dialect Options): Rewrite
6345 -fvisibility-inlines-hidden documentation to describe something
6346 entirely different, although in practise compatible.
6347 (Code Gen Options): Warn about system headers in -fvisibility=
6350 * doc/extend.texi (Other Builtins): Document that
6351 __builtin_nan is a compile-time constant only when its argument
6354 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
6356 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
6357 trying to remove TRUNCATE check if all bits outside the new mode
6358 are identical to the sign bit.
6360 2006-04-03 Jeff Law <law@redhat.com>
6362 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
6363 and operand scanning in some common cases.
6365 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6366 Dale Johannesen <dalej@apple.com>
6369 * regclass.c (struct reg_pref): Update documentation.
6370 (regclass): Set prefclass to NO_REGS if memory is the best option.
6371 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6372 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
6373 into account. For non-registers, equate an empty preferred
6374 reload class to a `!' in the constraint; move the if clause to
6375 do so after those that reject the insn.
6376 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
6378 (find_dummy_reload): Likewise.
6379 * doc/tm.texi (Register Classes): Document what it means
6380 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
6381 * config/i386/i386.c (ix86_preferred_reload_class): Force
6382 using SSE registers (and return NO_REGS for floating-point
6383 constants) if math is done with SSE.
6384 (ix86_preferred_output_reload_class): New.
6385 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
6386 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
6387 * config/i386/i386.md: Remove # register preferences.
6389 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6392 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6393 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
6394 the type of nb_iter.
6395 (instantiate_parameters_1): Convert the operands before calling
6396 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
6397 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
6399 2006-04-02 Roger Sayle <roger@eyesopen.com>
6401 * builtins.c (dummy_object): Use build_int_cst instead of convert.
6402 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
6404 * dojump.c (do_jump): Likewise.
6405 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
6406 * gimplify.c (gimple_boolify, gimplify_init_constructor,
6407 gimplify_boolean_expr): Likewise.
6408 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
6409 * varasm.c (array_size_for_constructor): Likewise.
6410 * tree-object-size.c (compute_object_offset): Likewise.
6412 2006-04-02 Roger Sayle <roger@eyesopen.com>
6415 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
6416 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
6418 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6420 PR tree-optimization/26939
6421 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
6423 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6425 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
6426 at_stmt. Convert the type of operands before calling
6427 build_polynomial_chrec.
6428 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
6430 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
6431 (instantiate_parameters_1): Convert the type of operands before calling
6432 build_polynomial_chrec.
6433 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
6434 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
6435 reset_evolution_in_loop): Insert asserts to check the types of the
6437 (chrec_type): Moved...
6438 (eq_evolutions_p): Use operand_equal_p.
6439 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
6440 the types of the operands.
6441 (chrec_type): ...here.
6442 * tree-data-ref.c (create_data_ref): Convert the operands before
6443 calling chrec_replace_initial_condition.
6444 (same_access_functions, analyze_subscript_affine_affine,
6445 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
6446 (compute_subscript_distance, analyze_ziv_subscript,
6447 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
6448 analyze_miv_subscript): Convert the operands before calling
6449 chrec_fold_minus or chrec_fold_plus.
6451 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6453 * tree-data-ref.c (compute_all_dependences): Use a pointer to
6454 the dependence_relations vector.
6455 (compute_data_dependences_for_loop): Adjust call to
6456 compute_all_dependences.
6458 2006-04-01 Roger Sayle <roger@eyesopen.com>
6459 Richard Henderson <rth@redhat.com>
6461 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
6462 gimple_boolify on the condition before calling gimplify_expr.
6464 2006-03-31 Bob Wilson <bob.wilson@acm.org>
6466 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
6467 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
6468 the frame size. Update to use the new macros.
6469 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
6470 * config/xtensa/ieee754-df.S: Likewise.
6472 2006-03-31 Richard Henderson <rth@redhat.com>
6474 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
6475 (make_edges): ... here. Control fallthru creation with a local
6476 variable. Do not play with fake edges.
6477 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
6478 (make_goto_expr_edges): Don't play with fake edges. Make for_call
6481 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
6483 * dwarf2.h (DW64_CIE_ID): Define.
6484 * dwarf2out.c (DWARF_CIE_ID): Define.
6485 (output_call_frame_info): Output 0xffffffff before standard 8-byte
6486 length header. Use DWARF_CIE_ID.
6487 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
6488 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
6490 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
6492 * config/sh/linux-atomic.asm: New file.
6493 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
6495 2006-03-31 DJ Delorie <dj@redhat.com>
6497 * config/m32c/cond.md: Set condition flags properly throughout.
6498 * config/m32c/minmax.md: Likewise.
6499 * config/m32c/prologue.md: Likewise.
6500 * config/m32c/bitops.md: Likewise.
6501 * config/m32c/muldiv.md: Likewise.
6502 * config/m32c/mov.md: Likewise.
6503 * config/m32c/addsub.md: Likewise.
6504 * config/m32c/m32c.md: Likewise.
6505 * config/m32c/jump.md: Likewise.
6506 * config/m32c/shift.md: Likewise.
6508 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
6509 conditionally output the pattern for this.
6510 * config/m32c/m32c.c (flags_needed_for_conditional): New.
6511 (m32c_compare_redundant): New.
6512 (m32c_output_compare): New.
6513 * config/m32c/m32c-protos.h (m32c_output_compare): New.
6515 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
6516 dest, not src. Allow other 4-byte modes.
6518 2006-03-30 Denis Chertykov <denisc@overta.ru>
6520 * doc/md.texi: Refer to avr/constraints.md instead of
6523 2006-03-30 Roger Sayle <roger@eyesopen.com>
6525 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
6526 signed vs. unsigned comparison failures on some hosts.
6528 2006-03-31 Alan Modra <amodra@bigpond.net.au>
6531 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
6532 change to FLOAT_REGS.
6534 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
6535 (rs6000_override_options): Use it.
6536 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
6537 only for -mabi=spe/no-spe and -mabi=altivec.
6539 2006-03-30 Geoffrey Keating <geoffk@apple.com>
6541 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
6544 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
6546 * Makefile.in: Rename docdir to gcc_docdir.
6548 2006-03-30 Roger Sayle <roger@eyesopen.com>
6551 * expr.c (emit_group_store): Optimize group stores into a pseudo
6552 register by using a paradoxical subreg to initialize the destination
6553 if the first or last member of the group specifies a "low part".
6555 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6558 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
6559 * target.h (struct gcc_target.speculate_insn): Change type of the
6560 second parameter to 'int'.
6561 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
6562 the second operand of the DEPS_LIST.
6563 (copy_DEPS_LIST_list): Update reference to the second operand of the
6565 * rtl.h (alloc_DEPS_LIST): Update signature.
6566 * sched-int.h (ds_t): Change typedef to 'int'.
6567 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6569 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6571 * haifa-sched.c (try_ready): Change condition to restore
6572 non-speculative pattern of the instruction.
6573 (process_insn_depend_be_in_spec): Code to keep probability of the
6574 speculative dependence non-decreasing.
6576 2006-03-30 Jie Zhang <jie.zhang@analog.com>
6578 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
6579 (single_move_for_movmem): ... this. Also change all uses.
6580 (bfin_expand_strmov): Renamed to...
6581 (bfin_expand_movmem): ... this. Also change all uses.
6582 * config/bfin/bfin.md (movstrsi): Renamed to...
6583 (movstrsi): ...this.
6585 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
6587 PR tree-optimization/26830
6589 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
6590 (copy_prop_visit_stmt): Remove write-only variable ann.
6591 (init_copy_prop): Check variable loop depth here. Do not simulate
6592 memory-tag and virtual operand PHIs except for store copy prop.
6594 2006-03-30 Richard Guenther <rguenther@suse.de>
6596 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
6597 variants with double arguments.
6599 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6601 * genpreds.c (write_tm_constrs_h): Delete variable p.
6602 * genconditions.c (write_header): Add tm-constrs.h to included
6604 * genpeep.c (main): Add toplev.h to included headers.
6605 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
6606 (build/genpeep.o): Add toplev.h dependency.
6607 * config/rs6000/constraints.md: Add "W" constraint.
6609 2006-03-29 Roger Sayle <roger@eyesopen.com>
6611 * stor-layout.c (mode_for_size_tree): Remove restiction on type
6612 sizes by correctly testing whether the size fits a host integer.
6613 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
6614 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
6615 SImode range for the default sizetype and bitsizetype.
6617 2006-03-29 Roger Sayle <roger@eyesopen.com>
6619 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
6620 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
6621 quickly if the argument is already of the correct type.
6622 Call fold_build1 instead of build1. Tidy up blank lines.
6624 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6626 * genemit.c (main): Add tm-constrs.h to included headers.
6627 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
6628 * genpeep.c (main): Add tm-constrs.h to included headers.
6629 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
6630 (write_tm_constrs_h): this and write complete file.
6631 (write_tm_preds_h): Do not emit satisfies_constraint fns.
6632 (write_insn_preds_c): Add tm-constrs.h to included headers.
6633 (gen_constrs): New variable.
6634 (parse_option): Parse "-c".
6635 (main): Invoke write_tm_constrs_h.
6636 * genrecog.c (write_header): Add tm-constrs.h to included headers.
6637 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
6638 (object_out_file): Add tm-constrs.h dependency.
6639 (insn-emit.o): Same.
6640 (insn-output.o): Same.
6641 (insn-peep.o): Same.
6642 (insn-preds.o): Same.
6643 (insn-recog.o): Same.
6644 (tm-constsr.h): New target.
6645 (s-constrs-h): New target.
6647 * config/rs6000/constraints.md: New file.
6648 * config/rs6000/rs6000.c: Include tm-constrs.h.
6649 (num_insn_constant_wide): Convert to satisfies_constraint.
6650 (rs6000_rtx_costs): Convert to satisfies_constraint.
6651 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
6652 (CONST_OK_FOR_LETTER_P): Delete.
6653 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6654 (EXTRA_CONSTRAINT): Delete.
6655 (EXTRA_MEMORY_CONSTRAINT): Delete.
6656 (EXTRA_ADDRESS_CONSTRAINT): Delete.
6657 * config/rs6000/predicates.md: Convert to satisfies_constraint.
6658 * config/rs6000/rs6000.md: Include constraints.md. Convert to
6659 satisfies_constraint.
6661 * config/i386/i386.c: Include tm-constrs.h.
6663 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6665 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
6666 * tree-data-ref.c (find_data_references_in_loop,
6667 compute_data_dependences_for_loop): Use pointers to VEC.
6668 (analyze_all_data_dependences): Adjust calls.
6669 * tree-data-ref.h (find_data_references_in_loop,
6670 compute_data_dependences_for_loop): Adjust declarations.
6671 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
6672 compute_data_dependences_for_loop.
6674 2006-03-29 Paul Brook <paul@codesourcery.com>
6676 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
6679 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6681 PR tree-optimization/26859
6682 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
6684 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
6685 for the step after fold_convert.
6687 2006-03-29 Paul Brook <paul@codesourcery.com>
6689 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
6690 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
6692 2006-03-29 Paul Brook <paul@codesourcery.com>
6695 * targhooks.c (default_narrow_bitfield): New fuction.
6696 * targhooks.h (default_narrow_bitfield): add prototype.
6697 * target.h (gcc_target): Add narrow_volatile_bitfield.
6698 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6699 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
6700 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
6701 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6703 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
6705 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
6707 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
6708 (NR_C_MODES): Add TDmode, DDmode and SDmode.
6709 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
6710 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
6711 (s390_function_arg_float): Allow SDmode and DDmode values to be
6712 passed in floating point registers.
6713 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
6714 check with SCALAR_FLOAT_MODE_P.
6715 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
6717 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6719 PR tree-optimization/25985
6720 * tree-ssa-loop-niter.c (number_of_iterations_le,
6721 number_of_iterations_ne): Make comments more precise.
6722 (number_of_iterations_cond): Add only_exit argument. Use the
6723 fact that signed variables do not overflow only when only_exit
6725 (loop_only_exit_p): New.
6726 (number_of_iterations_exit): Pass result of loop_only_exit_p to
6727 number_of_iterations_cond.
6729 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6731 PR tree-optimization/26643
6732 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
6735 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
6737 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
6738 (divsi3_i4_int): Likewise.
6740 2006-03-28 Roger Sayle <roger@eyesopen.com>
6742 * expr.c (emit_group_store): Only create a new pseudo reg if the
6743 quantity it needs to hold isn't already a suitable pseudo.
6745 2006-03-28 Jeff Law <law@redhat.com>
6747 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
6748 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
6750 2006-03-28 Roger Sayle <roger@eyesopen.com>
6752 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
6753 the equivalent ~X & Y, and the symmetry related transformations.
6754 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
6755 ~X & Y, and symmetry related transforms.
6757 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6759 Revert my 2006-03-27 patches.
6761 2006-03-28 Roger Sayle <roger@eyesopen.com>
6763 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
6764 ~(T1)X, when T1 and T2 are integer types of the same precision
6765 and (T2)X isn't an extension.
6767 2006-03-28 Jeff Law <law@redhat.com>
6769 PR tree-optimization/26796
6770 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
6771 need EH edge cleanups rather than purging them immediately.
6772 (eliminate_degenerate_phis): Handle queued EH cleanups.
6774 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
6776 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
6779 2006-03-27 Roger Sayle <roger@eyesopen.com>
6782 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
6783 cast BIT_NOT_EXPR operand to the correct type.
6785 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
6787 * tree-loop-linear.c: Don't include varray.h.
6788 (gather_interchange_stats, try_interchange_loops,
6789 linear_transform_loops): Use VEC instead of VARRAY.
6790 * lambda-mat.c: Don't include varray.h.
6791 * tree-chrec.c: Same.
6792 * lambda-trans.c: Same.
6793 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
6794 VEC instead of VARRAY.
6795 * tree-vectorizer.h: Idem.
6796 * tree-data-ref.c (dump_data_references,
6797 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
6798 initialize_data_dependence_relation, finalize_ddr_dependent,
6799 compute_all_dependences, find_data_references_in_loop,
6800 compute_data_dependences_for_loop, analyze_all_data_dependences,
6801 free_dependence_relation, free_dependence_relations,
6802 free_data_refs): Idem.
6803 * tree-data-ref.h (data_reference_p, subscript_p): New.
6804 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
6805 VEC instead of VARRAY.
6806 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
6807 (find_data_references_in_loop, compute_data_dependences_for_loop,
6808 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
6809 dump_data_dependence_relations, free_dependence_relations,
6810 free_data_refs): Adjust declaration.
6811 (lambda_transform_legal_p): Move declaration here...
6812 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
6813 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
6814 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
6815 vect_analyze_data_refs): Use VEC instead of VARRAY.
6816 * lambda.h (lambda_transform_legal_p): ...from here.
6817 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
6818 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
6819 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
6820 tree-chrec.o): Don't depend on VARRAY_H.
6822 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6824 * rtl.def (Copyright): Update date.
6825 (DEPS_LIST): Change type of the second operand to 'int'.
6826 * target.h (Copyright): Update date.
6827 (struct gcc_target.speculate_insn): Change type of the second parameter
6829 * lists.c (Copyright): Update date.
6830 (alloc_DEPS_LIST): Change signature. Update reference to the second
6831 operand of the DEPS_LIST.
6832 (copy_DEPS_LIST_list): Update reference to the second operand of the
6834 * rtl.h (Copyright): Update date.
6835 (alloc_DEPS_LIST): Update signature.
6836 * sched-int.h (Copyright): Update date.
6837 (ds_t): Change typedef to 'int'.
6838 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6840 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6842 * haifa-sched.c (Copyright): Update date.
6843 (try_ready): Change condition to restore non-speculative pattern
6845 (process_insn_depend_be_in_spec): Code to keep probability of the
6846 speculative dependence non-decreasing.
6848 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
6850 * regrename.c (replace_oldest_value_addr): Initialize a variable to
6851 shut up the compiler.
6853 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
6855 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
6856 to use lib prefix for target.
6857 ($(T)libic_invalidate_array_4-200.a): Likewise.
6858 ($(T)libic_invalidate_array_4a.a): Likewise.
6860 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
6861 J"orn Rennecke <joern.rennecke@st.com>
6863 * superh.opt: New file.
6864 * sh.c (boardtype, osruntime): Remove.
6865 * superh.h (SUBTARGET_OPTIONS): Remove.
6866 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
6868 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
6869 arguments with ^ and/or [].
6871 * config.gcc (sh-*-*): Add quoting to account for quirk of
6873 Replace == with = in enable_incomplete_targets test.
6875 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
6876 with MASK_LITTLE_ENDIAN.
6878 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
6879 * config/sh/sh.opt: Added to some comments.
6880 * config/sh/superh.h: Removed some chaff.
6882 * config/sh/sh.opt: Add m4-[1234]00* options.
6883 * config/sh/sh.c (sh_handle_option): Likewise.
6884 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
6885 (ic_invalidate_array_4-100.o): New rule.
6886 ($(T)libic_invalidate_array_4-100.a): Likewise.
6887 (ic_invalidate_array_4-200.o): Likewise.
6888 ($(T)libic_invalidate_array_4-200.a): Likewise.
6889 (ic_invalidate_array_4a.o): Likewise.
6890 ($(T)libic_invalidate_array_4a.a): Likewise.
6891 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
6892 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
6894 * config/sh/crt1.asm: Merged in profiling code.
6895 * config/sh/superh.h (STARTFILE_SPEC): Override.
6896 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
6897 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
6898 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
6900 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
6901 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
6902 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
6904 * sh.opt (mpretend-cmove): New option.
6905 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
6906 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
6907 (movsicc): Add TARGET_PRETEND_CMOVE code.
6909 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
6911 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
6912 s390_class_max_nregs): New function prototypes.
6913 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
6914 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
6915 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
6916 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
6918 2006-03-26 Geoffrey Keating <geoffk@apple.com>
6920 * dwarf2out.c (add_location_or_const_value_attribute): Call
6921 tree_add_const_value_attribute if nothing else works.
6922 (reference_to_unused): New.
6923 (rtl_for_decl_init): Use reference_to_unused to decide whether
6924 to output an initializer.
6926 2006-03-27 Alan Modra <amodra@bigpond.net.au>
6929 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
6930 peephole removing spe frob_di_df_2.
6932 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
6934 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
6935 (subscript_dependence_tester_1): Declared.
6936 (print_dir_vectors, print_dist_vectors): New.
6937 (debug_data_dependence_relation): New.
6938 (dump_data_dependence_relation): Print more details.
6939 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
6940 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
6941 (save_dist_v, save_dir_v, add_outer_distances,
6942 build_classic_dist_vector_1): New.
6943 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
6944 Don't test for lambda_vector_lexico_pos.
6945 (same_access_functions, add_multivariate_self_dist,
6946 add_other_self_distances, dir_from_dist): New.
6947 (build_classic_dir_vector): Replace implementation almost identical to
6948 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
6950 (subscript_dependence_tester_1): New.
6951 (subscript_dependence_tester): Handle the lexicographically negative
6952 distance vectors by recomputing the dependence relation.
6953 (compute_affine_dependence): Remove parameter loop_nest_depth.
6954 (compute_self_dependence): Don't call compute_subscript_distance.
6955 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
6956 Add a parameter for the loop_nest.
6957 (find_loop_nest_1, find_loop_nest): New.
6958 (compute_data_dependences_for_loop): Compute the loop nest, and give
6959 up if the nest is not well formed.
6960 * tree-data-ref.h (loop_p): New.
6961 (struct data_dependence_relation): Replace size_vect field with
6962 loop_nest, a vec of loops.
6963 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
6964 (DDR_LOOP_NEST): New.
6965 (print_dir_vectors, print_dist_vectors,
6966 debug_data_dependence_relation): Declared.
6967 (index_in_loop_nest): New.
6968 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
6969 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
6972 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
6974 * simplify-rtx.c (simplify_relational_operation): Call
6975 simplify_relational_operation_1 even if mode is VOIDmode.
6977 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
6979 PR tree-optimization/26804
6980 * tree.h (DECL_CALL_CLOBBERED): New macro.
6981 (tree_decl_common): Add call_clobbered_flag.
6982 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
6983 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
6984 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
6985 (mark_non_addressable): Ditto.
6986 * tree-ssa.c (verify_call_clobbered): New function.
6987 (verify_alias_info): Use it.
6988 * tree-pass.h (pass_reset_cc_flags): New prototype.
6989 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
6990 (reset_cc_flags): New function.
6991 * passes.c (init_optimization_passes): Call reset_cc_flags after
6992 initializing referenced_vars.
6994 2006-03-25 Uros Bizjak <uros@kss-loka.si>
6995 Roger Sayle <roger@eyesopen.com>
6998 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
6999 to 1.0 for non-real operands. Implement A / A optimization for
7002 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
7004 * config/i386/i386.c (size_cost): Correct the comment for
7005 cost of storing fp registers.
7006 (i386_cost): Likewise.
7007 (i486_cost): Likewise.
7008 (pentium_cost): Likewise.
7009 (pentiumpro_cost): Likewise.
7010 (k6_cost): Likewise.
7011 (athlon_cost): Likewise.
7012 (k8_cost): Likewise.
7013 (pentium4_cost): Likewise.
7014 (nocona_cost): Likewise.
7015 (generic64_cost): Likewise.
7016 (generic32_cost): Likewise.
7018 2006-03-24 Denis Chertykov <denisc@overta.ru>
7020 * config/avr/avr-protos.h (extra_constraint): Delete.
7021 (extra_constraint_Q): New declaration.
7022 * config/avr/constraints.md: New file.
7023 * config/avr/avr.md: Include it.
7024 (REG_X, REG_Y, REG_Z, REG_W): New constants.
7025 (TMP_REGNO, ZERO_REGNO): Likewise.
7026 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
7027 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
7028 (extra_constraint): Delete.
7029 (extra_constraint_Q): Test for memory constraint 'Q'.
7030 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
7031 (REG_CLASS_FROM_LETTER): Delete.
7032 (CONST_OK_FOR_LETTER_P): Delete.
7033 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7034 (EXTRA_CONSTRAINT): Delete.
7035 (TMP_REGNO): Delete.
7036 (ZERO_REGNO): Delete.
7038 2006-03-24 Jeff Law <law@redhat.com>
7040 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
7041 directly. Call mark_new_vars_to_rename slightly earlier.
7043 2006-03-24 Geoffrey Keating <geoffk@apple.com>
7045 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
7047 (gen_compile_unit_die): Use new language types for Objective-C and
7049 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
7050 DW_LANG_C_plus_plus.
7053 * config/t-darwin (crt3.o): Work around bug 26840.
7054 * config/darwin-crt3.c: Rewrite.
7055 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
7057 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
7059 * doc/invoke.texi: Document -femit-class-debug-always
7060 * common.opt: Add -femit-class-debug-always.
7062 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
7064 * config/s390/s390.c (s390_decompose_address): Allow SImode for
7065 index and base register.
7066 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
7067 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
7068 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
7069 REGNO_OK_FOR_INDEX_P.
7070 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
7072 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
7073 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
7074 REG_OK_FOR_BASE_P): Definitions removed.
7076 2006-03-24 Jakub Jelinek <jakub@redhat.com>
7079 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
7080 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
7081 set yet or weren't marked as local yet.
7083 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
7085 * regrename.c (scan_rtx_address): Initialize a variable to shut up
7088 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
7090 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
7091 (rs6000_legitimate_small_data_p): Delete.
7092 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
7093 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
7094 and make static. Add forward declaration. Update uses.
7095 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
7096 of offsettable_memref_p.
7097 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
7098 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
7100 2006-03-24 Jeff Law <law@redhat.com>
7102 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
7103 around bug in immediate-use iterator.
7105 2006-03-24 Alan Modra <amodra@bigpond.net.au>
7108 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
7109 or __LITTLE_ENDIAN__.
7111 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
7113 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
7114 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
7115 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
7116 * config/sh/sh.opt (mdiv=): Amend description.
7117 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
7118 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
7119 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
7120 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
7121 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
7122 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
7123 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
7124 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
7125 TARGET_DIVIDE_CALL_FP.
7127 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7129 * haifa-sched.c (choose_ready): Fix type of the local variable.
7130 Move local variables. Add comment.
7131 (check_reg_live): Change signature. Make callable from debugger.
7132 * sched-int.h (check_reg_live): Update signature.
7133 * sched-ebb.c (check_reg_live): Update parameters.
7134 * sched-rgn.c (check_reg_live): Ditto.
7135 (region_head_or_leaf_p): Check pointer before dereferencing.
7136 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
7137 before reload on optimization levels below 1.
7139 2006-03-23 Richard Henderson <rth@redhat.com>
7141 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
7145 * config/alpha/predicates.md (local_symbolic_operand): Reject
7148 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
7151 * tree-ssa-pre.c (create_value_expr_from): Don't reject
7152 expressions which have overflowed constants.
7154 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7156 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
7158 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7160 * cfgloopmanip.c (create_loop_notes): Removed.
7161 * final.c (final_scan_insn): Do not handle loop notes.
7162 * jump.c (squeeze_notes): Ditto.
7163 * cfglayout.c (skip_insns_after_block,
7164 duplicate_insn_chain): Ditto.
7165 * cfgcleanup.c (rest_of_handle_jump2): Do not call
7167 * cfgloop.h (create_loop_notes): Declaration removed.
7169 2006-03-23 Richard Sandiford <richard@codesourcery.com>
7171 * varasm.c (output_constant_pool): Restore fnname and fndecl
7173 (assemble_start_function): Adjust call accordingly.
7174 (assemble_end_function): Likewise.
7176 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7179 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
7182 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
7184 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7187 * system.h (ICE_EXIT_CODE): New macro.
7188 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
7189 (diagnostic_action_after_output): Likewise.
7190 * gcc.c (fatal_ice): New function.
7191 (execute): Use it instead of fatal.
7192 (fancy_abort): Likewise.
7193 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
7195 2006-03-22 Jeff Law <law@redhat.com>
7197 * loop-unroll.c (analyze_iv_to_split_insn): Handle
7198 iv_analyze_result returning false.
7200 2006-03-22 Jie Zhang <jie.zhang@analog.com>
7202 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
7204 2006-03-22 Richard Henderson <rth@redhat.com>
7207 * except.c (duplicate_eh_regions_0): New.
7208 (duplicate_eh_region_1): Duplicate the children of the node as
7209 well as the node itself. Link them up properly.
7210 (duplicate_eh_region_2): Merge into ...
7211 (duplicate_eh_regions): ... here. Take copy_region argument, and
7212 copy only a sub-tree if asked. Simplify copying and fixup.
7213 (eh_region_outer_p): New.
7214 * except.h (duplicate_eh_regions): Update decl.
7215 (eh_region_outer_p): Declare.
7216 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
7217 (lower_omp_master): Likewise.
7218 (lower_omp_ordered): Likewise.
7219 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
7220 (move_stmt_r): Use it to remap labels. Handle recursion vs
7221 remap_decls_p properly.
7222 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
7223 (find_outermost_region_in_block): New.
7224 (new_label_mapper): New.
7225 (move_sese_region_to_fn): Copy eh information to the new function
7227 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
7229 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
7232 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7234 * doc/md.texi (-mshared): Mention that -mshared code can be linked
7235 into shared libraries.
7237 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7239 * doc/md.texi: Refer to i386/constraints.md instead of
7241 * config/i386/constraints.md: New file, extracted from...
7242 * config/i386/predicates.md: ...here.
7243 * config/i386/i386.md: Include constraints.md.
7245 2006-03-21 Jason Merrill <jason@redhat.com>
7247 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
7250 * expr.c (init_block_move_fn): Force default visibility.
7251 (init_block_clear_fn): Likewise.
7252 * builtins.c (expand_builtin_fork_or_exec): Likewise.
7253 * targhooks.c (default_external_stack_protect_fail): Likewise.
7255 2006-03-21 Richard Sandiford <richard@codesourcery.com>
7257 * config/mips/predicates.md (const_call_insn_operand): Allow direct
7258 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
7259 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
7260 Use TARGET_OLDABI instead of !TARGET_NEWABI.
7261 (loadgp): Use mips_current_loadgp_style.
7262 (loadgp_noshared): New pattern.
7263 (sibcall_internal): Use MIPS_CALL.
7264 (sibcall_value_internal): Likewise.
7265 (sibcall_value_multiple_internal): Likewise.
7266 (call_internal): Likewise.
7267 (call_value_internal): Likewise.
7268 (call_value_multiple_internal): Likewise.
7269 (call_split): Use MIPS_CALL and add an 'S' constraint.
7270 (call_value_split): Likewise.
7271 (call_value_multiple_split): Likewise.
7272 * config/mips/mips.opt (-mabicalls): Tweak docstring.
7273 (-mshared): New option.
7274 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
7275 (mips_current_loadgp_style): Declare.
7276 * config/mips/mips.c (mips_classify_symbol): Avoid using
7277 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
7278 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
7279 TARGET_ABSOLUTE_ABICALLS.
7280 (override_options): Adjust comments. Improve the warning that is
7281 issued when -mabicalls and -G are used together.
7282 (mips_file_start): Remove comment.
7283 (mips_current_loadgp_style): New function.
7284 (mips_gnu_local_gp): New variable.
7285 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
7287 (mips_output_function_prologue): Use mips_current_laodgp_style.
7288 (mips_expand_prologue): Call mips_emit_loadgp before emitting
7289 the cprestore instruction.
7290 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
7291 live for TARGET_ABSOLUTE_ABICALLS.
7292 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
7293 (ASM_SPEC): Pass down -mshared and -mno-shared.
7294 (MIPS_CALL): New macro.
7295 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
7297 * doc/invoke.texi (-mabicalls): Update documentation.
7298 (-mshared): Document.
7300 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7302 * config/ia64/unwind-hpux.c: New file.
7303 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
7305 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7308 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
7310 2006-03-21 Jeff Law <law@redhat.com>
7312 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
7313 type conversions of a VR_VARYING source to a wider type.
7315 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
7317 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
7318 tm_file on Solaris 10 and later.
7319 (sparc64-*-solaris2*): Likewise.
7320 (sparc-*-solaris2*): Likewise.
7321 * config/sol26.h: Rename to config/sol2-6.h.
7322 * config/sol2-10.h: New file.
7324 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
7327 * tree-ssa-pre.c (create_component_ref_by_pieces):
7330 2006-03-21 Jakub Jelinek <jakub@redhat.com>
7333 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
7334 return it immediately.
7336 2006-03-21 Michael Matz <matz@suse.de>
7338 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
7340 (remove_arc, add_arc): Update num_out_arcs member.
7341 (set_out_arc_insns_equiv_num): Returns nothing instead of number
7343 (cache_presence): New function.
7344 (compare_states_for_equiv): New function.
7345 (state_is_differed): Don't take number of outargs, adjust callers.
7346 Use new invariant for speeding up.
7347 (init_equiv_class): Create initial classes based on sorted
7349 (partition_equiv_class): Don't track out_arcs_num.
7350 (evaluate_equiv_classes): Call cache_presence on all states and
7353 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
7355 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
7356 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
7357 (bfin_valid_reg_p): Test for pseudos explicitly and use only
7358 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
7360 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
7361 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
7362 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
7363 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
7364 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
7366 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
7367 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
7368 (REGNO_REG_CLASS): ARGP is in PREGS.
7369 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
7371 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
7372 to deal with those addresses.
7373 * addresses.h: New file.
7374 * caller-save.c: Include "addresses.h".
7375 (init_caller_save): Use new base_reg_class function.
7376 * rtl-factoring.c: Include "addresses.h".
7377 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
7378 * recog.c: Include "addresses.h".
7379 (preprocess_constraints): Use new base_reg_class function.
7380 * regrename.c: Include "addresses.h".
7381 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
7382 functions. Keep track of a new var INDEX_CODE to compute valid
7384 (replace_oldest_value_addr): Likewise.
7385 (replace_oldest_value_mem): Use base_reg_class.
7386 * reload.c: Include "addresses.h".
7387 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
7388 (find_reloads): Use new base_reg_class function.
7389 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
7390 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
7391 all callers and prototype changed.
7392 * reload1.c: Include "addresses.h".
7393 (maybe_fix_stack_asms): Use base_reg_class.
7394 * regclass.c: Include "addresses.h".
7395 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
7396 (init_reg_autoinc): Use new base_reg_class function.
7397 (record_reg_classes): Likewise.
7398 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
7399 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
7400 Use new args to compute necessary class.
7402 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
7403 regrename.o, rtl-factoring.o): Update dependencies.
7404 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
7405 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
7406 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
7407 REG_OK_FOR_INDEX_P): Delete documentation.
7409 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
7411 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
7412 from V7 to V9 for Solaris 7 and above.
7414 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
7416 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
7417 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
7418 argument pointers may not alias any other storage.
7419 * common.opt: Define option -fargument-noalias-anything.
7420 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
7421 alias semantics is specified by flag_argument_noalias > 2.
7423 2006-03-20 Jeff Law <law@redhat.com>
7425 * tree-pass.h (pass_phi_only_copy_prop): Delete.
7426 (pass_phi_only_cprop): Declare.
7427 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
7429 * tree-ssa-dom.c (degenerate_phi_result): New function.
7430 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
7431 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
7432 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
7433 (eliminate_degenerate_phis): Likewise.
7434 (pass_phi_only_cprop): New pass descriptor.
7435 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
7436 support code. Callers updated.
7437 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
7438 (store_copy_prop): Likewise.
7439 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
7441 2006-03-20 Jason Merrill <jason@redhat.com>
7444 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
7445 (push_visibility, pop_visibility): Likewise.
7446 * c-pragma.h: Declare them.
7448 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
7450 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
7452 * config/sh/sh.c (find_regmode_weight): Change the type of the first
7453 parameter and use get_ebb_head_tail.
7454 (sh_md_init_global): Adjust uses of find_regmode_weight.
7456 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
7458 * function.h (struct function) <x_tail_recursion_reentry>:
7459 Rename to x_stack_check_probe_note.
7460 (tail_recursion_reentry): Rename to stack_check_probe_note.
7461 * function.c: Replace tail_recursion_reentry with
7462 stack_check_probe_note everywhere.
7463 (expand_function_start): Only emit a note for
7464 stack_check_probe_note with -fstack-protect.
7465 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
7467 * emit-rtl.c (remove_unnecessary_notes): Remove.
7468 (pass_remove_unnecessary_notes): Remove.
7469 * rtl.h (remove_unnecessary_notes): Remove prototype.
7470 * final.c (final_start_function): Don't call remove_unnecessary_notes.
7471 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
7472 * passes.c (pass_remove_unnecessary_notes): Don't run it.
7474 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
7477 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
7478 (valid_in_set): Handle ARRAY_REF.
7479 Change "if min_variant or VH" to asserts.
7480 (create_component_ref_by_pieces): Handle ARRAY_REF.
7481 (create_expression_by_pieces): Likewise.
7482 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
7484 2006-03-20 David Edelsohn <edelsohn@gnu.org>
7486 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
7487 is operand of switch, not str[0].
7489 2006-03-20 Alan Modra <amodra@bigpond.net.au>
7491 * config/rs6000/rs6000.c (rs6000_handle_option): Use
7492 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
7494 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7496 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
7497 end of insn_extra_address_constraint declaration.
7499 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7501 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
7502 (no-sum-in-toc): Same.
7503 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
7505 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
7506 NO_FP_IN_TOC for -fPIC instead of mask.
7508 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
7509 (BOOT_LDFLAGS): Delete.
7511 * config/rs6000/t-aix52: Same.
7513 * config/rs6000/rs6000.md (store_multiple_power): Delete.
7514 (stmsi[345678]_power): New.
7516 2006-03-17 Steve Ellcey <sje@cup.hp.com>
7518 * config/ia64/ia64.opt: Add empty line to end of file.
7520 2006-03-17 Richard Guenther <rguenther@suse.de>
7523 * builtins.c (get_pointer_alignment): For component style references
7524 adjust alignment to the component type alignment. Make sure
7525 to adjust alignment for component access of constants.
7527 2006-03-17 David Edelsohn <edelsohn@gnu.org>
7529 * config/rs6000/rs6000.md (strlensi): Emit barrier after
7532 2006-03-17 Paul Brook <paul@codesourcery.com>
7534 * doc/install.texi: Docuemnt --with-mode.
7535 * config.gcc: Add --with-mode for arm*-*-*.
7536 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
7538 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
7540 * sh.c (max_labelno_before_reorg): New variable.
7541 (sh_reorg): Initialize it.
7542 (find_barrier): Check max_labelno_before_reorg before using
7543 label_to_alignment. Take length of explicit alignment insns
7544 into account. When seeing a UNSPECV_CONST_END, return it.
7546 * sh.c (fixup_mova): Set mode of affected label to QImode.
7547 (untangle_mova): New function.
7548 (find_barrier): Use it. Check mode of label before decrementing
7550 (sh_reorg): Likewise.
7551 Set mode of all insns back to VOIDmode.
7553 * sh.c (MOVA_LABELREF): New macro.
7554 (mova_p, fixup_mova, sh_reorg): Use it.
7555 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
7556 ADDR_DIFF_VEC matches mova.
7558 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
7560 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
7561 with ATTRIBUTE_UNUSED.
7563 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7565 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7566 pointer, instead of assuming it is possible to derive the
7567 correct args size from a call insn.
7569 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7571 * rtl.h (CONST_INT_P): Define.
7572 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
7573 instead of GET_CODE(x) == CONST_INT.
7574 (vax_rtx_costs): Likewise.
7575 (vax_output_int_move): Likewise.
7576 (vax_output_int_add): Likewise.
7577 (legitimate_constant_address_p): Likewise.
7578 (index_term_p): Likewise.
7579 * config/vax/vax.h (PRINT_OPERAND): Likewise.
7580 * config/vax/vax.md (and<mode>3): Likewise.
7581 (ashrsi3): Likewise.
7583 (movstricthi): Likewise.
7584 (movstrictqi): Likewise.
7585 (rotrsi3): Likewise.
7586 (five unnamed insns): Likewise.
7588 2006-03-16 Geoffrey Keating <geoffk@apple.com>
7590 * doc/tm.texi (SDB and DWARF): Add extra parameter to
7591 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
7592 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
7593 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
7594 Pass to ASM_OUTPUT_DWARF_OFFSET.
7595 * dwarf2out.c (debug_frame_section): New.
7596 (output_call_frame_info): Use debug_frame_section. Pass it to
7597 dw2_asm_output_offset.
7598 (output_die): Pass appropriate section to dw2_asm_output_offset.
7599 (output_compilation_unit_header): Likewise.
7600 (output_pubnames): Likewise.
7601 (output_aranges): Likewise.
7602 (enum dw_val_class): Break dw_val_class_lbl_offset into
7603 dw_val_class_lineptr and dw_val_class_macptr.
7604 (add_AT_lbl_offset): Delete.
7605 (add_AT_lineptr): New.
7606 (add_AT_macptr): New.
7607 (AT_lbl): Expect a lineptr or macptr.
7608 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
7609 (attr_checksum): Likewise.
7610 (same_dw_val_p): Likewise.
7611 (size_of_die): Likewise.
7612 (value_format): Likewise.
7613 (output_die): Likewise.
7614 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
7616 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7617 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
7618 * config/darwin-protos.h (darwin_file_start): New.
7619 (darwin_asm_output_dwarf_offset): New.
7620 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7621 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
7623 * config/darwin.c (darwin_emit_unwind_label): Don't output label
7624 if not EH section; simplify.
7625 (darwin_file_start): New.
7626 (darwin_asm_output_dwarf_offset): New.
7627 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
7629 (DEBUG_INFO_SECTION): Likewise.
7630 (DEBUG_ABBREV_SECTION): Likewise.
7631 (DEBUG_ARANGES_SECTION): Likewise.
7632 (DEBUG_MACINFO_SECTION): Likewise.
7633 (DEBUG_LINE_SECTION): Likewise.
7634 (DEBUG_LOC_SECTION): Likewise.
7635 (DEBUG_PUBNAMES_SECTION): Likewise.
7636 (DEBUG_STR_SECTION): Likewise.
7637 (DEBUG_RANGES_SECTION): Likewise.
7638 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
7639 (ASM_OUTPUT_DWARF_OFFSET): New.
7641 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
7643 * config.gcc (tm_defines): Always add to previous value rather
7646 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7648 * config/mips/predicates.md (splittable_const_int_operand): New,
7649 split from move_operand.
7650 (splittable_symbolic_operand): New.
7651 (move_operand): Add commentary. Use splittable_const_int_operand.
7652 Inline mips_atomic_symbolic_constant_p.
7653 * config/mips/mips.md: Add combine splitters for handling moves
7654 of splittable_const_int_operands and splittable_symbolic_operands.
7655 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
7656 (mips_split_symbol): Declare.
7657 (mips_move_integer): Declare.
7658 * config/mips/mips.c (mips_split_p): Make global.
7659 (TARGET_MIN_ANCHOR_OFFSET): Override default.
7660 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7661 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7662 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
7663 (mips_offset_within_object_p): Handle block symbols.
7664 (mips_atomic_symbolic_constant_p): Delete.
7665 (mips_cannot_force_const_mem): Return false for constants that
7666 mips_legitimize_move can handle.
7667 (mips_use_blocks_for_constant_p): New function.
7668 (mips_split_symbol): Make global.
7669 (mips_move_integer): Likewise. Add a temporary register argument.
7670 (mips_legitimize_const_move): Use splittable_const_int_operand and
7671 splittable_symbolic_operand.
7672 (mips_use_anchors_for_symbol_p): New function.
7673 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
7674 (mips_split_p): Declare.
7676 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7678 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
7679 (mips*-*-linux*): Likewise.
7681 2006-03-16 Roger Sayle <roger@eyesopen.com>
7682 Daniel Speyer <dspeyer@wam.umd.edu>
7685 * tree-dump.c (dump_real): New function.
7686 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
7687 * Makefile.in (REAL_H): New macro for dependencies on real.h.
7688 (tree-dump.o): Add $(REAL_H) to the dependencies.
7690 2006-03-16 Roger Sayle <roger@eyesopen.com>
7693 * real.c (real_from_string): If the mantissa is zero, don't bother
7694 parsing the exponent as the result should always be zero.
7696 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
7698 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
7700 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7702 * config/ia64/ia64.c (stops_p): Added explicit initialization.
7703 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
7704 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
7705 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
7706 ia64_sched_finish_global): New static functions to implement
7707 hooks from gcc_target.sched.
7708 (spec_check_no, max_uid, pending_data_specs): New static variables.
7709 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
7710 ia64_spec_check_src_p): New static functions.
7711 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
7712 (TARGET_SCHED_ADJUST_COST): Removed.
7713 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
7714 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
7715 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7716 TARGET_SCHED_GEN_CHECK,
7717 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7718 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
7719 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
7720 Fixed to handle speculation checks.
7721 (rtx_needs_barrier): Fixed to handle speculative loads and
7723 (ia64_variable_issue): Added code to count speculative loads and their
7725 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
7727 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
7729 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
7731 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
7732 (ia64_reorg): Reset stops_p to NULL after it is freed.
7733 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
7734 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
7735 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
7737 (data_speculative, control_speculative, check_load): New attributes.
7738 (mov<mode>_advanced, mov<mode>_speculative,
7739 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
7740 zero_extend<mode>di2_speculative,
7741 zero_extend<mode>di2_speculative_advanced): New patterns for
7742 data and control speculative loads.
7743 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
7745 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
7746 New pattern for data and control speculation checks.
7747 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
7748 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
7749 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
7750 Auxiliary definitions for the patterns.
7751 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
7752 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
7754 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
7756 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
7757 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
7758 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
7759 New resource constraints.
7760 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
7762 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
7763 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
7764 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7765 msched-in-control-spec, msched-ldc, msched-control-ldc,
7766 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7767 msched-prefer-non-control-spec-insns,
7768 msched-count-spec-in-critical-path): New flags to tune speculative
7770 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
7771 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7772 msched-in-control-spec, msched-ldc, msched-control-ldc,
7773 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7774 msched-prefer-non-control-spec-insns,
7775 msched-count-spec-in-critical-path): Document new flags.
7777 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7779 * target.h (struct spec_info_def): New opaque declaration.
7780 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
7781 speculate_insn, needs_block_p, gen_check,
7782 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
7783 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
7784 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
7785 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
7786 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7787 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
7789 (TARGET_SCHED): Use new macros.
7790 * rtl.h (copy_DEPS_LIST_list): New prototype.
7791 * sched-int.h (struct sched_info): Change signature of new_ready field,
7792 adjust all initializations. New fields: add_remove_insn,
7793 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
7794 region_head_or_leaf_p.
7795 (struct spec_info_def): New structure declaration.
7796 (spec_info_t): New typedef.
7797 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
7798 recovery_block, orig_pat.
7799 (glat_start, glat_end): New variables declaraions.
7800 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
7802 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
7803 DETACH_LIFE_INFO, USE_GLAT.
7804 (enum SPEC_SCHED_FLAGS): New enumeration.
7805 (NOTE_NOTE_BB_P): New macro.
7806 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
7807 attach_life_info, debug_spec_status, check_reg_live): New functions.
7808 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
7809 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
7811 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
7812 * ddg.c (get_block_head_tail): Adjust all uses.
7813 * modulo-sched.c (get_block_head_tail): Adjust all uses.
7814 (sms_sched_info): Initialize new fields.
7815 (contributes_to_priority): Removed.
7816 * haifa-sched.c (params.h): New include.
7817 (get_block_head_tail): Adjust all uses.
7818 (ISSUE_POINTS): New macro.
7819 (glat_start, glat_end): New global variables.
7820 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
7821 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
7822 old_last_basic_block, before_recovery, current_sched_info_var,
7823 rgn_n_insns, luid): New static variables.
7824 (insn_cost1): New function. Move logic from insn_cost to here.
7825 (find_insn_reg_weight1): New function. Move logic from
7826 find_insn_reg_weight to here.
7827 (reemit_notes, move_insn, max_issue): Change signature.
7828 (move_insn1): Removed.
7829 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
7830 extend_bb): New static functions to support extension of scheduler's
7832 (generate_recovery_code, process_insn_depend_be_in_spec,
7833 begin_speculative_block, add_to_speculative_block,
7834 init_before_recovery, create_recovery_block, create_check_block_twin,
7835 fix_recovery_deps): New static functions to support
7836 generation of recovery code.
7837 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
7838 restore_bb_notes, move_block_after_check, move_succs): New static
7839 functions to support ebb scheduling.
7840 (init_glat, init_glat1, attach_life_info1, free_glat): New static
7841 functions to support handling of register live information.
7842 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
7843 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
7844 add_jump_dependencies): New static functions.
7845 (check_cfg, has_edge_p, check_sched_flags): New static functions for
7846 consistancy checking.
7847 (debug_spec_status): New function to call from debugger.
7848 (priority): Added code to handle speculation checks.
7849 (rank_for_schedule): Added code to distinguish speculative instructions.
7850 (schedule_insn): Added code to handle speculation checks.
7851 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
7852 Fixed to handle ebbs.
7853 (move_insn): Added code to handle ebb scheduling.
7854 (max_issue): Added code to use ISSUE_POINTS of instructions.
7855 (choose_ready): Added code to choose between speculative and
7856 non-speculative instructions.
7857 (schedule_block): Added code to handle ebb scheduling and scheduling of
7858 speculative instructions.
7859 (sched_init): Initialize new variables.
7860 (sched_finish): Free new variables. Print statistics.
7861 (try_ready): Added code to handle speculative instructions.
7862 * lists.c (copy_DEPS_LIST_list): New function.
7863 * sched-deps.c (extend_dependency_caches): New function. Move logic
7864 from create_dependency_caches to here.
7865 (get_dep_weak, ds_merge): Make global.
7866 * genattr.c (main): Code to output prototype for
7867 dfa_clear_single_insn_cache.
7868 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
7869 (output_dfa_clean_insn_cache_func): Code to output
7870 dfa_clear_single_insn_cache function.
7871 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
7873 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
7875 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
7876 New static variables.
7877 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
7878 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
7880 (ebb_sched_info): Initialize new fields.
7881 (get_block_head_tail): Adjust all uses.
7882 (compute_jump_reg_dependencies): Fixed to use glat_start.
7883 (schedule_ebb): Code to remove unreachable last block.
7884 (schedule_ebbs): Added code to update register live information.
7885 * sched-rgn.c (region_sched_info): Initialize new fields.
7886 (get_block_head_tail): Adjust all uses.
7887 (last_was_jump): Removed. Adjust users.
7888 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
7889 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
7890 Implement new hooks.
7891 (check_dead_notes1): New static function.
7892 (struct region): New fields: dont_calc_deps, has_real_ebb.
7893 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
7894 (BB_TO_BLOCK): Fixed to handle EBBs.
7895 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
7896 (ebb_head): New static variable.
7897 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
7898 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
7900 (compute_dom_prob_ps): New assertion.
7901 (check_live_1, update_live_1): Fixed to work with glat_start instead of
7902 global_live_at_start.
7903 (init_ready_list): New assertions.
7904 (can_schedule_ready_p): Split update code to begin_schedule_ready.
7905 (new_ready): Add support for BEGIN_CONTROL speculation.
7906 (schedule_insns): Fixed code that updates register live information
7908 (schedule_region): Fixed to handle EBBs.
7909 (init_regions): Use extend_regions and check_dead_notes1.
7910 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
7911 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
7912 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
7913 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7914 TARGET_SCHED_GEN_CHECK,
7915 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7916 TARGET_SCHED_SET_SCHED_FLAGS): Document.
7917 * doc/invoke.texi (max-sched-insn-conflict-delay,
7918 sched-spec-prob-cutoff): Document.
7920 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7922 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
7923 inter_tick, queue_index.
7924 (struct sched_info): Change signature of init_ready_list field.
7925 Adjust all initializations.
7926 (RESOLVED_DEPS): New access macro.
7927 (ready_add): Remove prototype.
7928 (try_ready): Add prototype.
7929 * sched-rgn.c (init_ready_list): Use try_ready.
7930 (schedule_region): Initialize
7931 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
7932 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
7933 (init_ready_list): Use try_ready.
7934 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
7935 * lists.c (remove_list_elem): Remove `static'.
7936 (remove_free_INSN_LIST_elem): New function.
7937 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
7938 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
7939 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
7941 (readyp): New variable.
7942 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
7943 change_queue_index, resolve_dep): New static functions.
7944 (try_ready): New function. Adjust callers in sched-rgn.c and
7945 sched-ebb.c to use it instead of ready_add.
7946 (clock_var): Move at the begining of file.
7947 (rank_for_schedule): Fix typo.
7948 (queue_insn): Add assertion. Handle QUEUE_INDEX.
7949 (ready_lastpos): Enforce assertion.
7950 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
7952 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
7953 (schedule_insn): Rewrite to use try_ready and resolve_dep.
7954 (queue_to_ready): Use free_INSN_LIST_list.
7955 (early_queue_to_ready): Fix typo.
7956 (schedule_block): Init readyp. Move init_ready_list call after the
7957 initialization of clock_var. Fix error in rejecting insn by
7958 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
7959 that previously corrected INSN_TICKs. Add code for handling
7961 (set_priorities): Fix typo.
7962 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
7963 Clarify comment and code that keeps current_sched_info->next_tail
7966 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7968 * sched-rgn.c (extend_rgns): New static function.
7969 (find_rgns): Use it.
7970 (gather_region_statistics, print_region_statistics): New static
7972 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
7973 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7975 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7976 Andrey Belevantsev <abel@ispras.ru>
7978 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
7979 * lists.c (unused_deps_list): New variable.
7980 (free_list): Add assertions to verify the proper distinguishing
7981 between INSN_LISTs and DEPS_LISTs.
7982 (find_list_elem, remove_list_elem, remove_list_node): New static
7984 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
7985 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
7986 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
7987 (alloc_INSN_LIST): Assert that the list we're working on is indeed
7989 (free_INSN_LIST_node): Likewise.
7990 * modulo-sched.c (current_sched_info): Initialize flags field.
7991 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
7992 * rtl.def (DEPS_LIST): Define.
7993 * rtl.h: Declare new functions from lists.c.
7994 * sched-deps.c (spec_dependency_cache): New static variable.
7995 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
7996 (add_dependence): Change return type to void. Move the logic to ...
7997 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
7998 (delete_all_dependences): Add comment about forward_dependency_cache.
7999 Handle spec_dependency_cache. Handle DEPS_LISTs.
8000 (fixup_sched_groups): Clarify the change of priority of output
8001 and anti dependencies.
8002 (sched_analyze_2): Adjust add_dependence calls to create data
8003 speculative dependence.
8004 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
8005 Adjust all callers. Handle DEPS_LISTS.
8006 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
8007 presence of speculation.
8008 (init_dependency_caches, free_dependency_caches):
8009 Handle spec_dependency_cache.
8010 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
8011 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
8012 New static functions.
8013 (add_or_update_back_dep, add_or_update_back_forw_dep,
8014 add_back_forw_dep, delete_back_forw_dep): New functions.
8015 * sched-int.h (ds_t, dw_t): New typedefs.
8016 (struct sched_info): Add new field flags.
8017 (struct haifa_insn_data): Add new bitfield has_internal_dep.
8018 Prototype new sched-deps.c functions.
8019 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
8020 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
8021 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
8022 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
8023 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
8024 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
8026 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
8028 * sched-rgn.c (current_sched_info): Initialize flags field.
8029 (schedule_insns): Initialize current_sched_info before the sched_init
8031 * sched-ebb.c (current_sched_info): Initialize flags field.
8032 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
8033 Call add_or_update_back_dep instead of add_dependence.
8034 Create control speculative dependencies.
8035 (schedule_insns): Initialize current_sched_info before the sched_init
8038 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
8040 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
8042 (sh_fallback_frame_state): Likewise.
8044 2006-03-15 Geoffrey Keating <geoffk@apple.com>
8046 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
8047 Do switch on default_use_cxa_atexit.
8048 (powerpc*-*-darwin*): Build crt2.o on powerpc.
8049 * config/darwin-crt3.o: New.
8050 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
8051 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
8052 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
8054 * config/rs6000/t-darwin: Move crt2.o building to here.
8055 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
8056 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
8059 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8061 * config/vax/vax.c (nonindexed_address_p): Change logical negation
8062 from '! xxx' to '!xxx' for coding-style conformance.
8063 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
8064 (EXTRA_CONSTRAINT): Likewise.
8065 * config/vax/vax.md (four unnamed insns): Likewise.
8067 2006-03-15 Paul Brook <paul@codesourcery.com>
8069 * config/arm/arm.c (minipool_pad): New.
8070 (add_minipool_forward_ref): Include pool alignment padding in address
8072 (push_minipool_fix): Set minipool_pad.
8073 (minipool_pad): Ditto.
8075 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8077 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
8078 instead of GET_CODE() == MEM and REG_P() instead of
8080 (print_operand_address): Likewise.
8081 (vax_address_cost): Likewise.
8082 (vax_rtx_costs): Likewise.
8083 (vax_notice_update_cc): Likewise.
8084 (vax_output_int_add): Likewise.
8085 (INDEX_REGISTER_P): Likewise.
8086 (BASE_REGISTER_P): Likewise.
8087 (nonindexed_address_p): Likewise.
8088 (vax_mode_dependent_address_p): Likewise.
8089 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
8090 (PRINT_OPERAND): Likewise.
8091 * config/vax/vax.md (ashlsi3): Likewise.
8092 (ashlsi3): Likewise.
8093 (some more unnamed insns): Likewise.
8095 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
8097 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
8098 iterator-style macro.
8099 (mark_control_dependent_edges_necessary): Update the use of
8100 EXECUTE_IF_CONTROL_DEPENDENT.
8102 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
8104 * config/sh/predicates.md (cache_address_operand): Special.
8105 (ua_address_operand): Likewise.
8107 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
8109 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
8111 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
8113 2006-03-15 Andreas Schwab <schwab@suse.de>
8115 * gensupport.c (identify_predicable_attribute): Don't free p_false
8116 when it is still in use.
8118 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
8120 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
8121 the default setting here.
8123 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
8125 * tree-pass.h (pass_cfg): Remove.
8126 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
8127 * passes.c (pass_cfg): Don't run it.
8129 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
8131 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
8132 * reg-stack.c (stack_regs_mentioned_data): Change the type to
8134 (stack_regs_mentioned): Update the uses of
8135 stack_regs_mentioned_data. Don't access the array beyond its
8137 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
8138 Don't include gt-reg-stack.h.
8140 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
8141 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
8143 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
8146 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
8149 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8151 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
8153 2006-03-14 Richard Guenther <rguenther@suse.de>
8155 PR tree-optimization/26672
8156 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
8159 2006-03-14 Richard Guenther <rguenther@suse.de>
8161 PR tree-optimization/26667
8162 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
8163 node for the callees. Always allow inlining if it will shrink
8166 2006-03-14 Richard Guenther <rguenther@suse.de>
8169 * builtins.c (get_pointer_alignment): Prefer alignment
8170 information from decls over that from types.
8172 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
8175 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
8177 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
8179 * config/rs6000/rs6000.opt (mdlmzb): New option.
8180 (msched-prolog, msched-epilog): Use Var not Mask.
8181 * doc/invoke.texi (-mdlmzb): Document.
8182 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
8184 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
8185 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
8187 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
8189 PR rtl-optimization/25739
8190 * bt-load.c (augment_live_range): Free tos pointer.
8192 * gensupport.c (identify_predicable_attribute): Free
8194 * gcov.c (create_file_names): Free name pointer.
8196 2006-03-13 Roger Sayle <roger@eyesopen.com>
8199 * stmt.c (emit_case_nodes): Handle the case where the index is a
8200 CONST_INT, where the comparison mode is specified by the index type.
8202 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8204 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
8207 2006-03-13 Richard Sandiford <richard@codesourcery.com>
8209 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
8210 (*branch_fp_inverted): Likewise.
8212 2006-03-13 Jakub Jelinek <jakub@redhat.com>
8215 * omp-low.c (expand_omp_for_generic): Mark istart0
8216 and iend0 as addressable.
8218 2006-03-13 Jie Zhang <jie.zhang@analog.com>
8220 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
8222 2006-03-13 Jeff Law <law@redhat.com>
8224 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
8225 virtual operands are interesting.
8226 (vrp_visit_stmt): Corresponding changes.
8228 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
8230 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
8232 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
8233 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
8234 * config/bfin/crti.S: Use it instead of __PIC__.
8235 * config/bfin/crtn.S: Likewise.
8237 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
8238 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
8240 Lose 'G' modifier for call operand.
8241 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
8242 recognize 'G' modifier.
8244 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
8247 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
8248 * stmt.c (expand_case): Likewise.
8250 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8252 PR rtl-optimization/26254
8253 * loop-invariant.c (seq_insns_valid_p): New function.
8254 (move_invariant_reg): Only emit new code if it is valid.
8256 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8258 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
8260 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
8261 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
8262 (commit_one_edge_insertion): Do not look for loop notes.
8264 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8266 * jump.c (follow_jumps): Do not check for loop notes. Move check for
8267 flag_test_coverage out of loop.
8269 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8271 * final.c (shorten_branches): Remove outdated comment, and turn
8272 the if branch that guards it to continue.
8274 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8276 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
8277 * cfgloop.h (struct loop): Remove unused fields.
8279 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
8281 * doc/invoke.texi (-fdump-rtl-loop): Remove.
8282 (-dL, -fdump-rtl-loop2): Update the dump file names
8284 * doc/invoke.texi: Update dump file names.
8286 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
8288 * predict.c (estimate_probability): Remove.
8289 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
8290 * basic-block.h (estimate_probability): Remove prototype.
8291 * passes.c (finish_optimization_passes): Dump branch prediction or
8292 profiling heuristics to the .profile tree dump.
8293 (init_optimization_passes): Unqueue pass_branch_prob.
8295 * doc/invoke.texi (-fdump-rtl-bp): Remove.
8297 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8299 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
8300 * rtl.h (LABEL_NEXTREF): Remove field accessor.
8302 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
8304 * function.h (frame_offset_overflow): Declare.
8305 * function.c (frame_offset_overflow): New function.
8306 (assign_stack_local_1): Call it to detect that the offset overflows.
8307 * cfgexpand.c (alloc_stack_frame_space): Likewise.
8309 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8311 * config/sh/sh.c: Include alloc-pool.h.
8312 (label_ref_list_pool): New alloc pool.
8313 (label_ref_list_t): New type for lists of labels.
8314 (struct pool_node): Make wend a label_ref_list_t.
8315 (add_constant): Use the new type, eradicate LABEL_NEXTREF
8317 (dump_table): Likewise.
8318 (sh_reorg): Set up the alloc pool before using add_constant and
8319 dump_table, and destroy it when finishing.
8321 2006-03-11 Richard Sandiford <richard@codesourcery.com>
8323 * config/mips/mips.c: Remove redundant comment.
8325 2006-03-10 Jason Merrill <jason@redhat.com>
8328 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
8329 the target was declared 'register'.
8331 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
8333 * genpreds.c (write_insn_constraint_len): Change definition of
8334 insn_constraint_len to return size_t to match the declaration.
8336 2006-03-10 DJ Delorie <dj@redhat.com>
8338 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
8340 (m32c_expand_insv): Fix test for an AND mask.
8342 2006-03-10 Richard Guenther <rguenther@suse.de>
8345 * builtins.c (get_pointer_alignment): Handle component
8346 references for field alignment.
8348 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8350 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
8351 when building with libgloss.
8352 (sh*elf): Implement --without-fp option.
8353 (sh64-superh-linux*): Don't multilib.
8355 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8357 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
8359 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
8361 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
8362 Set it when one of the replacement functions returned true.
8363 Return TODO_cleanup_cfg if cfgchanged is true.
8364 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
8366 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
8368 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
8369 instead of gen_lowpart.
8371 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8373 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
8375 (mips_output_order_conditional_branch): Declare.
8376 * config/mips/mips.h (MIPS_BRANCH): New macro.
8377 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
8378 for the comparison. Use gen_condjump.
8379 (mips_output_conditional_branch): Rework interface to take the
8380 asm templates for a direct branch and the inverse of a direct branch.
8381 (mips_output_order_conditional_branch): New function.
8382 (mips_builtin_branch_and_move): New function.
8383 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
8384 branch condition. Use gen_single_cc as the condition for
8385 __builtin_mips_upper_* or __builtin_mips_lower_*.
8386 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
8387 Use VOIDmode for the branch condition.
8388 * config/mips/predicates.md (order_operator): New predicate.
8389 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
8390 (branch_fp): Rename to...
8391 (*branch_fp): ...this. Remove mode from comparison operator.
8392 Use new mips_output_conditional_branch interface.
8393 (branch_fp_inverted): Rename to...
8394 (*branch_fp_inverted): ...this and update as for *branch_fp.
8395 (*branch_zero<mode>): Rename to...
8396 (*branch_order<mode>): ...this. Remove mode from comparison operator.
8397 Use mips_output_order_conditional_branch. Only accept ordered
8399 (*branch_zero<mode>_inverted): Rename to...
8400 (*branch_order<mode>_inverted): ...this and update as for
8401 *branch_order<mode>.
8402 (*branch_equality<mode>): Accept zero as the second operand to
8403 the equality operator. Use the new mips_output_conditional_branch
8405 (*branch_equality<mode>_inverted): Likewise.
8406 (condjump): New expander.
8407 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
8409 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
8410 (bc1any2t, bc1any2f): Likewise.
8411 (single_cc): New expander.
8412 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
8414 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8416 * doc/md.texi: Update documentation of MIPS constraints.
8417 * config/mips/constraints.md: New file.
8418 * config/mips/mips.md: Include it.
8419 * config/mips/mips.c (mips_char_to_class): Delete.
8420 (override_options): Don't initialize mips_char_to_class.
8421 * config/mips/mips.h (mips_char_to_class): Delete.
8422 (REG_CLASS_FROM_LETTER): Delete.
8423 (CONST_OK_FOR_LETTER_P): Delete.
8424 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8425 (EXTRA_CONSTRAINT_Y): Delete.
8426 (EXTRA_CONSTRAINT_STR): Delete.
8427 (CONSTRAINT_LEN): Delete.
8428 (EXTRA_MEMORY_CONSTRAINT): Delete.
8430 2006-03-09 Diego Novillo <dnovillo@redhat.com>
8432 * tree-cfg.c (move_block_to_fn): Remove the statements from the
8433 original fn's eh regions.
8435 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
8437 * fold-const.c (build_range_check): Make sure to use a valid type to
8438 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
8441 (range_predecessor): New static function.
8442 (range_successor): Likewise.
8443 (merge_ranges): Use them to compute predecessors and successors of
8446 2006-03-09 Roger Sayle <roger@eyesopen.com>
8449 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
8450 X op C3, consider whether C3 overflows towards +Inf or -Inf.
8452 2006-03-08 DJ Delorie <dj@redhat.com>
8454 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
8455 (addpsi3): Expand to include memory operands. Remove
8456 reload-specific splits.
8457 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
8458 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
8459 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
8460 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
8461 (shift1_qi, shift1_hi, insv): New.
8462 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
8463 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
8464 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
8466 * config/m32c/m32c-protos.h: Update as needed.
8467 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
8468 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
8469 Fail for unrecognized R* constraints.
8470 (m32c_cannot_change_mode_class): Be more picky about pseudos.
8471 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
8472 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
8474 (m32c_init_libfuncs): New.
8475 (m32c_legitimate_address_p): Add debug wrapper.
8476 (m32c_rtx_costs): New.
8477 (m32c_address_cost): New.
8478 (conversions): Add 'B' prefix.
8479 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
8480 operands, or word regnames for QI operands. 'B' prints bit
8482 (m32c_expand_setmemhi): New.
8483 (m32c_expand_movmemhi): New.
8484 (m32c_expand_movstr): New.
8485 (m32c_expand_cmpstr): New.
8486 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
8487 (m32c_expand_neg_mulpsi3): Handle non-ints.
8488 (m32c_cmp_flg_0): New.
8489 (m32c_expand_movcc): New.
8490 (m32c_expand_insv): New.
8491 (m32c_scc_pattern): New.
8492 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
8493 a0/a1 out of SIregs.
8494 (STORE_FLAG_VALUE): New.
8495 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
8498 * config/m32c/mov.md: Make constraints more liberal.
8499 (zero_extendqihi2): Optimize r0/r1 case.
8500 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
8501 * config/m32c/predicates.md (m32c_any_operand): New.
8502 (m32c_nonimmediate_operand): New.
8503 (m32c_hl_operand): New.
8504 (m32c_r3_operand): New.
8507 (memsym_operand): New.
8508 (memimmed_operand): New.
8509 (a_qi_operand): New.
8510 (m32c_eqne_operator): New.
8511 (m32c_1bit8_operand): New.
8512 (m32c_1bit16_operand): New.
8513 (m32c_1mask8_operand): New.
8514 (m32c_1mask16_operand): New.
8515 * config/m32c/blkmov.md: New file.
8516 * config/m32c/t-m32c (MD_FILES): Add blkmov.
8518 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
8520 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
8521 unsigned to fix signed/unsigned comparison issue in
8522 DWARF2_FRAME_REG_OUT.
8523 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
8524 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
8526 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
8527 of ptr into the ENABLE_CHECKING section.
8529 2006-03-08 Jeff Law <law@redhat.com>
8531 * tree-vrp.c (infer_value_range): Only count pointer uses
8532 and dereferences if -fdelete-null-pointer-checks is enabled.
8534 * tree-vrp.c (find_assert_locations): Infer value ranges for
8535 single use pointers, but do not create ASSERT_EXPRs for them.
8536 When a non-null range is inferred for a pointer, backwards
8537 propagate that range to other equivalent pointers through the
8540 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
8543 * Makefile.in (dvi, html, install-info): Invoke the corresponding
8544 language hook targets.
8545 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
8546 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
8547 if language hook targets were missing.
8549 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
8551 * tree-ssa-opfinalize.h: Removed.
8552 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
8554 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
8555 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
8556 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
8557 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
8558 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
8559 finalize_ssa_v_must_def_ops): New.
8561 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
8563 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
8566 2006-03-07 Geoffrey Keating <geoffk@apple.com>
8568 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
8570 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
8571 addresses with offsets; reorganize.
8573 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
8574 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
8575 (expand_builtin_init_dwarf_reg_sizes): Likewise.
8577 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
8580 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
8582 2006-03-08 Ben Elliston <bje@au.ibm.com>
8584 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
8586 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
8589 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
8592 2006-03-07 Richard Guenther <rguenther@suse.de>
8594 PR tree-optimization/26587
8595 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
8597 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8599 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
8601 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8603 * hooks.c (hook_bool_mode_rtx_true): New function.
8604 * hooks.h (hook_bool_mode_rtx_true): Declare.
8605 * toplev.c (compile_file): Call output_shared_constant_pool.
8606 * varasm.c (shared_constant_pool): New variable.
8607 (assemble_start_function, assemble_end_function): Remove arguments
8608 from call to output_constant_pool.
8609 (create_constant_pool): New function, split out from...
8610 (init_varasm_status): ...here.
8611 (force_const_mem): Choose between the shared and per-function constant
8612 pools. Set current_function_uses_const_pool when reusing old entries
8613 as well as when creating new ones.
8614 (mark_constant): Ignore data argument.
8615 (mark_constants): Remove pool argument.
8616 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
8617 to decide whether the function uses a constant pool.
8618 (output_constant_pool_contents): New function, split out from...
8619 (output_constant_pool): ...here.
8620 (output_shared_constant_pool): New function.
8621 (init_varasm_once): Initialize shared_constant_pool.
8622 * output.h (output_constant_pool): Delete.
8623 (output_shared_constant_pool): Declare.
8624 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
8625 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
8627 2006-03-06 Nick Clifton <nickc@redhat.com>
8629 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
8630 flag_strength_reduce.
8632 2006-03-06 Ben Elliston <bje@au.ibm.com>
8634 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
8635 x86_64-*-linux* configurations.
8637 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
8638 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
8640 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8642 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
8644 * basic-block.h: Remove the extern for
8645 rediscover_loops_after_threading.
8647 * cfgloop.c (cancel_loop): Make it static.
8648 * cfgloop.h: Remove the prototype for cancel_loop.
8650 * flow.c (recompute_reg_usage): Make it static.
8651 * rtl.h: Remove the prototype for recompute_reg_usage.
8653 * function.c (use_return_register): Make it static.
8654 * function.h: Remove the prototype.
8656 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8658 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
8660 * recog.h: Remove the prototype for
8661 validate_change_maybe_volatile.
8663 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8665 * rtlanal.c (replace_reg): Remove.
8666 * rtl.h: Remove the prototype for replace_reg.
8668 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8670 * regclass.c (reg_scan_update): Remove.
8671 (reg_scan_mark_refs): Remove the last argument.
8672 * rtl.h: Remove the prototype for reg_scan_update.
8674 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8676 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
8677 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
8678 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
8679 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
8680 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
8681 loop-invariant.c, omp-low.c, opts.c, passes.c,
8682 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
8683 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
8684 tree-ssa-structalias.c, tree-ssa-threadedge.c,
8685 tree-ssa-threadupdate.c, tree-vect-patterns.c,
8686 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
8687 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
8689 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8691 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
8692 * dwarf2out.h: Remove the prototype for
8693 dwarf2out_add_library_unit_info.
8695 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8697 * tree.c (add_var_to_bind_expr): Remove.
8698 * tree.h: Remove the prototype for add_var_to_bind_expr.
8700 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8702 * regclass.c (n_non_fixed_regs): Remove.
8703 (init_reg_sets_1, globalize_reg): Remove all uses of
8705 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
8707 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8709 * rtlanal.c (insns_safe_to_move_p): Remove.
8710 * rtl.h: Remove the prototype for insns_safe_to_move_p.
8712 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8714 * expmed.c (expand_mult_add): Remove.
8715 * expr.h: Remove the prototype for expand_mult_add.
8717 2006-03-04 Jakub Jelinek <jakub@redhat.com>
8719 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
8720 and REG_SAVED_VAL_EXP constants.
8721 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
8722 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
8723 Handle regs stored by value.
8724 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
8725 (execute_cfa_program): Handle DW_CFA_val_offset,
8726 DW_CFA_val_offset_sf and DW_CFA_val_expression.
8727 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
8728 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
8729 (uw_install_context_1): Handle target regs stored by value.
8731 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
8733 * tree-sra.c (tree_sra): Return todoflags;
8734 (generate_one_element): Set TODO_update_smt_usage if needed.
8735 (pass_sra): Remove TODO_update_smt_usage.
8736 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
8738 (tree_ssa_forward_propagate_single_use_vars): Return
8739 TODO_update_smt_usage if we need to update SMT usage.
8740 (pass_forwprop): Remove TODO_update_smt_usage.
8742 2006-03-03 Diego Novillo <dnovillo@redhat.com>
8744 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
8745 (correct_use_link): Remove reference to get_stmt_operands.
8746 (update_stmt_operands): Likewise.
8747 (get_modify_expr_operands): New function factored out of
8748 parse_ssa_operands and get_expr_operands.
8749 Try to create V_MUST_DEFs for LHS by default.
8750 (get_expr_operands) <case MODIFY_EXPR>: Call
8751 get_modify_expr_operands.
8752 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
8753 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
8754 (parse_ssa_operands) <case MODIFY_EXPR>: Call
8755 get_modify_expr_operands.
8757 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
8759 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
8760 * tree-flow.h: Remove the prototype for
8761 referenced_var_lookup_if_exists.
8763 2006-03-03 Steve Ellcey <sje@cup.hp.com>
8765 PR rtl-optimization/26345
8767 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
8769 2006-03-03 Roger Sayle <roger@eyesopen.com>
8771 PR tree-optimization/26524
8772 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
8773 fold_convert to create a constant of the appropriate type.
8775 2006-03-03 Richard Sandiford <richard@codesourcery.com>
8777 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8778 SYMBOL_REF_IN_BLOCK_P.
8779 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
8780 of SYMBOL_FLAG_IN_BLOCK.
8781 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
8782 instead of SYMBOL_REF_IN_BLOCK_P.
8783 * explow.c (use_anchored_address): Likewise.
8784 * rtl.c (rtx_size): Likewise.
8785 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
8786 instead of SYMBOL_FLAG_IN_BLOCK.
8787 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8788 SYMBOL_REF_IN_BLOCK_P.
8789 (assemble_variable): Likewise.
8790 (output_constant_def_contents): Likewise.
8791 (output_constant_pool): Likewise.
8792 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
8793 instead of SYMBOL_FLAG_IN_BLOCK.
8794 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8795 SYMBOL_REF_IN_BLOCK_P.
8796 (SYMBOL_REF_BLOCK): Likewise.
8797 (SYMBOL_REF_OFFSET): Likewise.
8798 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8799 SYMBOL_REF_IN_BLOCK_P.
8800 (SYMBOL_FLAG_IN_BLOCK): Replace with...
8801 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
8802 (SYMBOL_REF_IN_BLOCK_P): Replace with...
8803 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
8805 2006-03-03 Jakub Jelinek <jakub@redhat.com>
8807 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
8809 2006-03-02 Roger Sayle <roger@eyesopen.com>
8811 * simplify-rtx.c (simplify_unary_operation): When simplifying
8812 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
8813 that we perform the right shift in the appropriate mode, and
8814 then extend or truncate the result to requested mode.
8816 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
8818 * gengtype.c (main): Handle double_int type.
8819 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
8820 * double-int.c: New file.
8821 * double-int.h: New file.
8822 * system.h: Include doubleint.h.
8823 * Makefile.in (SYSTEM_H): Include double-int.h.
8824 (double-int.o): Add.
8826 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
8829 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
8832 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8834 * tree-vrp.c (remove_range_assertions): Do not update statements
8837 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8839 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
8841 * gcse.c (rest_of_handle_gcse): Ditto.
8842 * except.c (gate_handle_eh): Ditto.
8843 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
8844 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
8846 2006-03-02 Eric Christopher <echristo@apple.com>
8848 * config/i386/i386.c (machopic_output_stub): Add indirection to
8851 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8855 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
8857 Sun Niagara specific optimizations.
8858 * config.gcc: Recognize niagara as target.
8859 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
8860 (TARGET_CPU_niagara): Define.
8861 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
8862 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
8863 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8864 (ASM_CPU_SPEC): Likewise.
8865 (PROCESSOR_NIAGARA): New enum entry.
8866 (REGISTER_MOVE_COST): Handle Niagara.
8867 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
8868 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
8869 (sparc_override_options): Recognize "niagara", set appropriate
8870 default MASK_* values for it, and align functions to 32-bytes
8871 by default just like ULTRASPARC/ULTRASPARC3.
8872 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
8873 (sparc64_initialize_trampoline): Likewise.
8874 (sparc_use_sched_lookahead): Use zero for niagara.
8875 (sparc_issue_rate): Use one for niagara.
8876 * config/sparc/niagara.md: New file.
8877 * config/sparc/sparc.md: Include it.
8878 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
8879 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
8880 when default cpu is niagara.
8881 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8882 (ASM_CPU_SPEC): Likewise.
8883 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
8884 when default cpu is niagara.
8885 (ASM_CPU_SPEC): Handle -mcpu=niagara.
8886 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
8887 just like v9/ultrasparc/ultrasparc3.
8888 * doc/invoke.texi: Add documentation for "niagara" and improve
8889 existing documentation for ultrasparc variants.
8891 2006-03-02 Diego Novillo <dnovillo@redhat.com>
8893 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
8895 2006-03-02 Richard Sandiford <richard@codesourcery.com>
8897 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
8898 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
8899 and say that only one is needed.
8900 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
8901 * target.h (have_switchable_bss_sections): New hook.
8902 * explow.c (use_anchored_address): Check that the symbol is in a block.
8903 * varasm.c (tls_comm_section, comm_section, lcomm_section)
8904 (bss_noswitch_section): New variables.
8905 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
8906 (get_noswitch_section): New function.
8907 (get_block_for_section): Allow SECT to be null.
8908 (unlikely_text_section_p): Use SECTION_STYLE.
8909 (bss_initializer_p): New function.
8910 (get_variable_section): Move earlier in file. Take a new argument,
8911 prefer_noswitch_p. Move bss checks from assemble_variable to here.
8912 Return one of the new *_sections in such cases.
8913 (get_block_for_decl): New function, extracting some logic from
8914 use_blocks_for_decl_p.
8915 (change_symbol_section): Remove in favor of...
8916 (change_symbol_block): ...this new function.
8917 (use_blocks_for_decl_p): Remove checks now performed by
8919 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
8920 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
8921 (emit_local, emit_bss, emit_common): ...these new functions.
8922 Return true if the alignment was honored.
8923 (emit_tls_common): New function.
8924 (asm_emit_uninitialised): Delete.
8925 (assemble_variable_noswitch): New function, split out from...
8926 (assemble_variable): ...here. Don't make decisions about common
8927 variables here. Globalize all public decls that go into non-common
8928 sections. Check whether SYMBOL_REF_BLOCK is null.
8929 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
8930 (output_constant_pool): Likewise.
8931 (init_varasm_once): Initialize the new section variables.
8932 (have_global_bss_p): New function.
8933 (categorize_decl_for_section): Use bss_initializer_p.
8934 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
8935 (place_block_symbol): Assert that the symbol must be in a block.
8936 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
8937 (TARGET_INITIALIZER): Include it.
8938 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
8939 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
8940 (SECTION_MACH_DEP): Bump by two.
8941 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
8942 (unnamed_section): Mention SECTION_UNNAMED in comment.
8943 (named_section): Likewise SECTION_NAMED.
8944 (noswitch_section_callback): New type.
8945 (noswitch_section): New structure.
8946 (section): Add a noswitch_section alternative.
8947 (SECTION_STYLE): New macro.
8948 (tls_comm_section, comm_section, lcomm_section): Declare.
8949 (bss_noswitch_section, have_global_bss_p): Declare.
8950 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8951 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8953 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8954 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8957 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
8959 * tree-vrp.c (execute_vrp): Return value.
8960 * regrename.c (rest_of_handle_regrename): Ditto.
8961 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
8962 * tree-complex.c (tree_lower_complex): Ditto.
8963 (tree_lower_complex_O0): Ditto.
8964 * tracer.c (rest_of_handle_tracer): Ditto.
8965 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
8966 * postreload.c (rest_of_handle_postreload): Ditto.
8967 * tree-tailcall.c (execute_tail_recursion): Ditto.
8968 (execute_tail_calls): Ditto.
8969 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8970 * tree.h (init_function_for_compilation): Ditto.
8971 * ipa-cp.c (ipcp_driver): Ditto.
8972 * tree-scalar-evolution.c (scev_const_prop): Ditto.
8973 * tree-scalar-evolution.h (scev_const_prop): Ditto.
8974 * final.c (compute_alignments): Ditto.
8975 (rest_of_handle_final): Ditto.
8976 (rest_of_handle_shorten_branches): Ditto.
8977 (rest_of_clean_state): Ditto.
8978 * omp-low.c (execute_expand_omp): Ditto.
8979 (execute_lower_omp): Ditto.
8980 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
8981 * ipa-reference.c (static_execute): Ditto.
8982 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
8983 * reorg.c (rest_of_handle_delay_slots): Ditto.
8984 (rest_of_handle_machine_reorg): Ditto.
8985 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
8986 * flow.c (recompute_reg_usage): Ditto.
8987 (rest_of_handle_remove_death_notes): Ditto.
8988 (rest_of_handle_life): Ditto.
8989 (rest_of_handle_flow2): Ditto.
8990 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
8991 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
8992 (do_ssa_store_ccp): Ditto.
8993 (execute_fold_all_builtins): Ditto.
8994 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
8995 * modulo-sched.c (rest_of_handle_sms): Ditto.
8996 * ipa-pure-const.c (static_execute): Ditto.
8997 * cse.c (rest_of_handle_cse): Ditto.
8998 (rest_of_handle_cse2): Ditto.
8999 * web.c (rest_of_handle_web): Ditto.
9000 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
9001 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
9002 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
9003 * tree-nrv.c (tree_nrv): Ditto.
9004 (execute_return_slot_opt): Ditto.
9005 * tree-ssa-alias.c (compute_may_aliases): Ditto.
9006 (create_structure_vars): Ditto.
9007 * loop-init.c (rtl_loop_init): Ditto.
9008 (rtl_loop_done): Ditto.
9009 (rtl_move_loop_invariants): Ditto.
9010 (rtl_unswitch): Ditto.
9011 (rtl_unroll_and_peel_loops): Ditto.
9012 (rtl_doloop): Ditto.
9013 * gimple-low.c (lower_function_body): Ditto.
9014 (mark_used_blocks): Ditto.
9015 * tree-ssa-sink.c (execute_sink_code): Ditto.
9016 * ipa-inline.c (cgraph_decide_inlining): Ditto.
9017 (cgraph_early_inlining): Ditto.
9018 * global.c (rest_of_handle_global_alloc): Ditto.
9019 * jump.c (cleanup_barriers): Ditto.
9020 (purge_line_number_notes): Ditto.
9021 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
9022 (rest_of_handle_if_after_reload): Ditto.
9023 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
9024 (tree_ssa_loop_im): Ditto.
9025 (tree_ssa_loop_unswitch): Ditto.
9026 (tree_vectorize): Ditto.
9027 (tree_linear_transform): Ditto.
9028 (tree_ssa_loop_ivcanon): Ditto.
9029 (tree_ssa_empty_loop): Ditto.
9030 (tree_ssa_loop_bounds): Ditto.
9031 (tree_complete_unroll): Ditto.
9032 (tree_ssa_loop_prefetch): Ditto.
9033 (tree_ssa_loop_ivopts): Ditto.
9034 (tree_ssa_loop_done): Ditto.
9035 * predict.c (tree_estimate_probability): Ditto.
9036 * recog.c (split_all_insns_noflow): Ditto.
9037 (rest_of_handle_peephole2): Ditto.
9038 (rest_of_handle_split_all_insns): Ditto.
9039 * tree-eh.c (lower_eh_constructs): Ditto.
9040 * regmove.c (rest_of_handle_regmove): Ditto.
9041 (rest_of_handle_stack_adjustments): Ditto.
9042 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
9043 * function.c (instantiate_virtual_regs): Ditto.
9044 (init_function_for_compilation): Ditto.
9045 (rest_of_handle_check_leaf_regs): Ditto.
9046 * gcse.c (rest_of_handle_jump_bypass): Ditto.
9047 (rest_of_handle_gcse): Ditto.
9048 * ipa-type-escape.c (type_escape_execute): Ditto.
9049 * alias.c (rest_of_handle_cfg): Ditto.
9050 * tree-if-conv.c (main_tree_if_conversion): Ditto.
9051 * profile.c (rest_of_handle_branch_prob): Ditto.
9052 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
9053 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
9054 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
9055 * tree-dfa.c (find_referenced_vars): Ditto.
9056 * except.c (set_nothrow_function_flags): Ditto.
9057 (convert_to_eh_region_ranges): Ditto.
9058 (rest_of_handle_eh): Ditto.
9059 * emit-rtl.c (unshare_all_rtl): Ditto.
9060 (remove_unnecessary_notes): Ditto.
9061 * except.h (set_nothrow_function_flags): Ditto.
9062 (convert_to_eh_region_ranges): Ditto.
9063 * cfgexpand.c (tree_expand_cfg): Ditto.
9064 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
9065 * tree-ssa-pre.c (do_pre): Ditto.
9066 (execute_fre): Ditto.
9067 * cfgcleanup.c (rest_of_handle_jump): Ditto.
9068 (rest_of_handle_jump2): Ditto.
9069 * tree-sra.c (tree_sra): Ditto.
9070 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
9071 (execute_mudflap_function_decls): Ditto.
9072 * tree-ssa-copy.c (do_copy_prop): Ditto.
9073 (do_store_copy_prop): Ditto.
9074 * ipa-prop.h (ipcp_driver): Ditto.
9075 * cfglayout.c (insn_locators_initialize): Ditto.
9076 * tree-ssa-forwprop.c
9077 (tree_ssa_forward_propagate_single_use_vars): Ditto.
9078 * cfglayout.h (insn_locators_initialize): Ditto.
9079 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
9080 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
9081 (execute_late_warn_uninitialized): Ditto.
9082 * rtl.h (cleanup_barriers): Ditto.
9083 (split_all_insns_noflow): Ditto.
9084 (purge_line_number_notes): Ditto.
9085 (unshare_all_rtl): Ditto.
9086 (remove_unnecessary_notes): Ditto.
9087 (recompute_reg_usage): Ditto.
9088 (variable_tracking_main): Ditto.
9089 * integrate.c (emit_initial_value_sets): Ditto.
9090 * integrate.h (emit_initial_value_sets): Ditto.
9091 * tree-optimize.c (execute_free_datastructures): Ditto
9092 (execute_free_cfg_annotations): Ditto.
9093 (execute_fixup_cfg): Ditto.
9094 (execute_cleanup_cfg_pre_ipa): Ditto.
9095 (execute_cleanup_cfg_post_optimizing): Ditto.
9096 (execute_init_datastructures): Ditto.
9097 * tree-object-size.c (compute_object_sizes): Ditto.
9098 * combine.c (rest_of_handle_combine): Ditto.
9099 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
9100 * bb-reorder.c (duplicate_computed_gotos): Ditto.
9101 (rest_of_handle_reorder_blocks): Ditto.
9102 (rest_of_handle_partition_blocks): Ditto.
9103 * var-tracking.c (variable_tracking_main): Ditto.
9104 * tree-profile.c (tree_profiling): Ditto.
9105 * tree-vect-generic.c (expand_vector_operations): Ditto.
9106 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
9107 * sched-rgn.c (rest_of_handle_sched): Ditto.
9108 (rest_of_handle_sched2): Ditto.
9109 * basic-block.h (free_bb_insn): Ditto.
9110 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
9111 * tree-cfg.c (execute_build_cfg): Ditto.
9112 (remove_useless_stmts): Ditto.
9113 (split_critical_edges): Ditto.
9114 (execute_warn_function_return): Ditto.
9115 (execute_warn_function_noreturn): Ditto.
9116 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
9117 * cfgrtl.c (free_bb_for_insn): Ditto.
9118 * passes.c (execute_one_pass): Run additional
9119 todos returned by execute function.
9120 * tree-pass.h (struct tree_opt_pass): Make execute
9123 2006-03-02 Richard Guenther <rguenther@suse.de>
9125 * tree-ssa-alias.c (find_used_portions): Consider taking
9126 the address as making the variable not write-only.
9128 2006-03-02 Nick Clifton <nickc@redhat.com>
9130 * config.gcc (default_use_cxa_atexit): Extend the description of
9131 this configure variable. Set its default value to "yes" for
9132 Linux, NetBSD and ELF targets on the assumption that they will
9133 use C libraries with the __cxa_atexit function.
9135 2006-03-02 Ben Elliston <bje@au.ibm.com>
9137 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
9138 parameter as unused to suppress a build warning.
9140 2006-03-02 Ben Elliston <bje@au.ibm.com>
9142 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
9145 2006-03-01 Roger Sayle <roger@eyesopen.com>
9148 * gthr-posix.h (__gthrw2): Define to take three parameters, the
9149 declared name, the weak reference name, and the typeof name.
9150 (__gthrw): Avoid expanding the declared name suffix.
9151 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
9153 2006-03-01 Jakub Jelinek <jakub@redhat.com>
9155 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
9157 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
9158 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
9159 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
9160 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
9161 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
9162 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
9163 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
9164 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
9165 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
9166 DW_DS_leading_separate, DW_DS_trailing_separate): New.
9167 (DW_END_default, DW_END_big, DW_END_little): New.
9168 (DW_END_lo_user, DW_END_hi_user): Define.
9169 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
9170 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
9171 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
9174 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9176 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
9178 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
9180 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
9182 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
9184 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
9185 to 'symbol_mem_tag'.
9187 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
9190 2006-03-01 Roger Sayle <roger@eyesopen.com>
9192 * builtins.c (fold_builtin_copysign): Delete unreachable code.
9194 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9197 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
9198 MACHO_DYNAMIC_NO_PIC_P.
9199 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
9201 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9204 * config/darwin-protos.h (darwin_asm_output_anchor):
9206 * config/darwin-sections.def (cstring_section):
9207 Add SECTION_MERGE to the flags.
9208 (literal4_section): Likewise.
9209 (literal8_section): Likewise.
9210 (objc_selector_refs_section): Likewise.
9211 (objc_cls_refs_section): Likewise.
9212 * config/darwin.c (darwin_asm_output_anchor): New
9214 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9216 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
9218 Fix PR tree-optimization/26443
9219 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
9220 to todo and PROP_tmt_usage to properties_destroyed.
9221 * tree-ssa-ccp.c (pass_ccp): Ditto.
9222 (pass_store_ccp): Ditto.
9223 * tree-ssa-dom.c (pass_dominator): Ditto.
9225 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9227 * tree-ssa-operands.c: Cleanup whitespace.
9228 (get_asm_expr_operands): Move before first invocation.
9229 (get_indirect_ref_operands): Likewise.
9230 (get_tmr_operands): Likewise.
9231 (get_call_expr_operands): Likewise.
9232 (append_def): Likewise.
9233 (append_use): Likewise.
9234 (append_v_may_def): Likewise.
9235 (append_v_must_def): Likewise.
9236 (add_call_clobber_ops): Likewise.
9237 (add_call_read_ops): Likewise.
9238 (add_stmt_operand): Likewise.
9239 (add_virtual_operand): Likewise.
9240 (build_ssa_operands): Likewise.
9242 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9247 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9248 with a call expr to ...
9249 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9251 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9253 * tree-vrp.c (extract_range_from_assert): Remove special
9254 handling for types with super-types.
9256 2006-03-01 Ben Elliston <bje@au.ibm.com>
9258 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
9259 and powerpc64-*-linux* configurations.
9260 * config/t-dfprules: New file.
9262 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
9263 Compile dfp-bit.c from the source directory using -DWIDTH and
9264 $DFP_CFLAGS to control the compilation of that file, rather than
9265 generating width-specific versions in the build directory.
9266 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
9267 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
9269 2006-02-28 Zack Weinberg <zackw@panix.com>
9271 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
9274 2006-02-28 Eric Christopher <echristo@apple.com>
9276 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
9277 Set up IN_LIBGCC definition of TARGET_64BIT.
9278 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
9280 2006-02-28 Roger Sayle <roger@eyesopen.com>
9283 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
9284 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
9285 cases via the construction of "expr != 0".
9287 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
9289 * alias.c (alias_invariant, alias_invariant_size): Remove.
9290 (record_base_value): Remove.
9291 (memrefs_conflict_p): Don't look at alias_invariant.
9292 (end_alias_analysis): Don't free it.
9293 * alias.h (record_base_value): Remove prototype.
9295 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
9296 Adam Nemet <anemet@caviumnetworks.com>
9298 * rtl.h (truncated_to_mode): Declare it.
9299 (struct rtl_hooks): Add reg_truncated_to_mode hook.
9300 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
9301 (RTL_HOOKS_INITIALIZER): Include it.
9302 * rtlhooks.c (reg_truncated_to_mode_general): New function.
9303 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
9304 reg_truncated_to_mode.
9305 * rtlanal.c (truncated_to_mode): Define it.
9306 * simplify-rtx.c (simplify_unary_operation_1): Use it.
9308 2006-02-28 Jeff Law <law@redhat.com>
9310 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
9311 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
9312 the range allowed by TYPE_PRECISION.
9314 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
9316 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
9318 PR tree-optimization/26419
9319 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
9322 2006-02-27 Zack Weinberg <zackw@panix.com>
9324 * doc/md.texi: Fix typo in previous change.
9326 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9330 2006-02-27 Zack Weinberg <zackw@panix.com>
9332 * rtl.def (define_constraint, define_register_constraint)
9333 (define_memory_constraint, define_address_constraint): New MD forms.
9334 * gensupport.c (process_rtx): Put define_constraint etc on the
9336 * genpreds.c (process_define_predicate): Adjust comment. Validate
9337 the name, and call validate_exp to validate the expression.
9338 (mark_mode_tests, write_extract_subexp): Can assume correct input.
9339 (write_predicate_expr): Likewise. NAME argument no longer necessary;
9340 all callers changed.
9341 (validate_exp, needs_variable, struct constraint_data)
9342 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
9343 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
9344 (const_dbl_constraints, constraint_max_namelen)
9345 (have_register_constraints, have_memory_constraints)
9346 (have_address_constraints, have_address_constraints)
9347 (have_extra_constraints, have_const_int_constraints)
9348 (have_const_dbl_constraints, mangle, add_constraint)
9349 (process_define_constraint, process_define_register_constraint)
9350 (write_enum_constraint_num, write_lookup_constraint)
9351 (write_insn_constraint_len, write_regclass_for_constraint)
9352 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
9353 (write_insn_extra_memory_constraint)
9354 (write_insn_extra_address_constraint)
9355 (write_satisfies_constraint_fns): New.
9356 (write_tm_preds_h): If we have new-style constraint definitions,
9357 prototype the functions generated from them, and define the
9358 old constraint interface (still used by generic code) in terms of
9360 (write_insn_preds_c): If we have new-style constraint definitions,
9361 generate all relevant functions from those definitions.
9362 (main): Handle define_constraint etc.
9363 * genoutput.c (struct constraint_data, indep_constraints)
9364 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
9365 (mdep_constraint_len): New data structures and functions, defined
9366 #ifdef USE_MD_CONSTRAINTS.
9367 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
9368 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
9369 use new logic to validate operand constraints against constraint
9371 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
9373 * defaults.h: If none of the old-style constraint macros are
9374 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
9375 old-style macros; and poison REG_CLASS_FROM_LETTER,
9376 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
9378 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
9379 * doc/md.texi: Document new constraint-definition mechanism and the
9380 C interface it provides. Remove references to old mechanism
9381 elsewhere in the document.
9382 (Machine Constraints): Use pathnames relative to gcc directory,
9383 i.e. config/ARCH/FILE. Change i386 section to refer to
9384 config/i386/predicates.md; update that section to match docstrings.
9385 * doc/tm.texi: Move all documentation of the old constraint-
9386 definition macros to their own section, clearly mark as obsolete.
9388 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
9389 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
9391 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
9392 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
9393 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
9395 (splits and peepholes): Use satisfies_constraint_*.
9396 * config/i386/i386.c (memory_address_length)
9397 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
9399 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9401 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
9402 scalar operation to be put back into the loop.
9404 2006-02-27 Jakub Jelinek <jakub@redhat.com>
9407 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
9408 (extract_cie_info): Handle S flag in augmentation string.
9409 (execute_cfa_program): If context->signal_frame, execute also
9410 fs->pc == context->ra instructions.
9411 (uw_frame_state_for): If context->signal_frame, don't subtract one
9412 from context->ra to find FDE.
9413 (uw_update_context_1): Set context->signal_frame to
9415 (_Unwind_GetIPInfo): New function.
9416 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
9417 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
9419 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
9420 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
9421 * unwind-compat.c (_Unwind_GetIPInfo): New function.
9422 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
9423 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
9424 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
9425 * config/i386/linux-unwind.h (x86_fallback_frame_state,
9426 x86_64_fallback_frame_state): Set fs->signal_frame.
9427 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
9428 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
9429 (frob_update_context): Likewise. Workaround missing S flag in
9430 Linux 2.6.12 - 2.6.16 kernel vDSOs.
9431 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
9432 Remove the psw_addr + 1 hack.
9434 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9436 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
9437 with aggregates here.
9438 (find_func_aliases): Remove code for &<aggregate> from here.
9440 2006-02-26 Roger Sayle <roger@eyesopen.com>
9442 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
9443 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
9444 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
9447 2006-02-26 Roger Sayle <roger@eyesopen.com>
9450 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
9452 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
9454 * opts.c (decode_options): Do not handle flag_strength_reduce.
9455 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
9456 and OPT_fstrength_reduce.
9457 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
9458 flag_prefetch_loop_arrays for being nonzero.
9459 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
9461 (fprefetch-loop-arrays-rtl): Removed.
9462 (flag_prefetch_loop_arrays): Do not specify the value.
9464 * doc/passes.texi: Update documentation of loop optimizer
9466 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
9467 -frerun-loop-opt): Remove.
9469 2006-02-26 Richard Guenther <rguenther@suse.de>
9471 PR tree-optimization/26421
9472 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
9473 in function calls that are ADDR_EXPRs as using the whole structure.
9475 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
9477 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
9478 * tree-pass.h (pass_loop_optimize): Remove.
9479 * passes.c (pass_loop_optimize): Never run it.
9480 * toplev.c (backend_init): Don't call init_loop.
9481 * opts.c (flag_loop_optimize_set): Remove.
9482 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
9483 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
9484 the old RTL loop optimizer when profiling enabled.
9485 * predict.c (tree_estimate_probability): Always strip builtin_expect.
9486 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
9487 pre-headers for the sake of the old RTL loop optimizer.
9488 * Makefile.in: Remove all references to loop.o.
9490 * doc/invoke.texi: Remove all references to -floop-optimize
9491 and -frerun-loop-opt.
9493 2006-02-26 Zack Weinberg <zackw@panix.com>
9495 * doc/md.texi (Machine Constraints): Refer to all files with paths
9496 relative to gcc directory (i.e. config/CPU/file). Add missing
9497 @table @code ... @end table to M32C subsection.
9499 2006-02-26 Roger Sayle <roger@eyesopen.com>
9501 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
9503 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
9505 2006-02-26 Roger Sayle <roger@eyesopen.com>
9506 James A. Morrison <phython@gcc.gnu.org>
9509 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
9510 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
9511 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
9512 signedness of the shift operation.
9514 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
9516 PR tree-optimization/26359
9517 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
9519 2006-02-25 Roger Sayle <roger@eyesopen.com>
9521 * simplify-rtx.c (simplify_relational_operation_1): Simplify
9522 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
9523 as X == 0, and some symmetry related transformations.
9524 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
9526 2006-02-25 Roger Sayle <roger@eyesopen.com>
9529 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
9530 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
9531 symmetry related transformations. Fold (X^C1) == C2 as
9534 2006-02-25 Juergen Weigert <jw@suse.de>
9535 Richard Guenther <rguenther@suse.de>
9537 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
9539 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
9541 * combine.c (gen_lowpart_or_truncate): Call
9542 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
9544 2006-02-24 Diego Novillo <dnovillo@redhat.com>
9546 * doc/invoke.texi: Move -fopenmp description to "Options for
9548 Remove reference to -lgomp.
9550 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9552 * doc/install.texi: Require GNU tar version 1.14.
9554 2006-02-24 Geoffrey Keating <geoffk@apple.com>
9556 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
9557 * doc/invoke.texi (C++ Dialect Options): Document
9558 -fno-use-cxa-get-exception-ptr.
9559 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
9560 * configure: Regenerate.
9561 * c.opt (fuse-cxa-get-exception-ptr): New.
9562 * c-opts.c (c_common_handle_option): Handle
9563 OPT_fuse_cxa_get_exception_ptr.
9564 * c-common.c (flag_use_cxa_atexit): Update documentation.
9565 (flag_use_cxa_get_exception_ptr): New.
9566 * c-common.h (flag_use_cxa_get_exception_ptr): New.
9567 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
9569 (C_COMMON_OVERRIDE_OPTIONS): New.
9571 2006-02-24 Roger Sayle <roger@eyesopen.com>
9574 * combine.c (try_combine): Explicitly check whether GET_CODE is
9575 a SET or a CLOBBER, instead on checking that it isn't a USE.
9577 2006-02-24 Roger Sayle <roger@eyesopen.com>
9579 * fold-const.c (fold_comparison): New subroutine of fold_binary
9580 containing transformations common to both the equality and
9581 ordering relational operators, factored out of fold_binary.
9582 (fold_binary): Separate out the equality operators (EQ_EXPR
9583 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
9584 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
9585 transformations common to both.
9586 (fold_div_compare): Fix latent bugs in the previously unreachable
9587 LT_EXPR and GE_EXPR cases.
9589 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9591 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
9592 decl libname for clog to __clog on AIX.
9594 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
9596 2006-02-24 Alan Modra <amodra@bigpond.net.au>
9599 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
9600 output traceback table for thunks. Localise rs6000_stack_info call.
9602 2006-02-23 Roger Sayle <roger@eyesopen.com>
9603 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9605 * gthr-posix.h (__gthrw): Fix typo in comment.
9607 2006-02-23 Geoffrey Keating <geoffk@apple.com>
9609 * doc/cpp.texi (Character sets): Document that we do support
9610 input files to be in any character set.
9612 2006-02-23 Jeff Law <law@redhat.com>
9614 * tree.h (PHI_ARG_NONZERO): Remove.
9615 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
9616 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
9617 node to the new node.
9619 PR tree-optimization/26425
9620 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
9621 min/max, then assume its varying.
9623 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9625 PR rtl-optimization/26316
9626 * rtlanal.c (enum may_trap_p_flags): New.
9627 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
9628 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
9629 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
9630 (may_trap_after_code_motion_p): New function.
9631 * loop-invariant.c (find_identical_invariants): Fix dump formating.
9632 (find_invariant_insn): Use may_trap_after_code_motion_p.
9633 * rtl.h (may_trap_after_code_motion_p): Declare.
9635 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9637 * emit-rtl.c (immed_double_const): Cleanup.
9639 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
9641 Fix PR tree-optimization/26376
9642 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
9645 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9648 * gimplify.c (omp_add_variable): Guard variable size decl test with
9649 DECL_SIZE (decl) check.
9651 2006-02-23 Richard Guenther <rguenther@suse.de>
9654 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
9655 like aggregate types.
9657 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9659 * configure.ac: Add --with{,out}-long-double-128 configure option.
9660 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
9661 * configure: Rebuilt.
9662 * config.in: Rebuilt.
9663 * doc/install.texi (Options specification): Document
9664 --with-long-double-128.
9666 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9667 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9668 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9669 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9671 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
9673 * config/s390/s390.c (override_options): Handle
9674 TARGET_DEFAULT_LONG_DOUBLE_128.
9676 * config/alpha/alpha.c (override_options): Handle
9677 TARGET_DEFAULT_LONG_DOUBLE_128.
9679 * config/sparc/sparc.c (sparc_override_options): Handle
9680 TARGET_DEFAULT_LONG_DOUBLE_128.
9682 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
9684 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
9685 (real-install-headers-tar, real-install-headers-cpio)
9686 (real-install-headers-cp): New targets.
9688 2006-02-22 Richard Sandiford <richard@codesourcery.com>
9690 * tree.h (variable_section): Delete.
9691 * varasm.c (variable_section): Delete.
9693 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
9695 * install.texi: Add notes on install.texi2html.
9696 (Building in parallel): Do not use footnotes.
9698 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
9701 * doc/install.texi (Configuration): Document --disable-libgomp.
9703 2006-02-21 Geoffrey Keating <geoffk@apple.com>
9705 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
9707 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9709 * config/i386/sse.md (vec_extractv2df_1_sse): New.
9710 (vec_extractv2df_0_sse): New.
9712 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9714 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
9715 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
9716 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
9717 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
9718 to the result of the expression.
9719 (def_cfa_1): Adjust.
9720 (frame_pointer_cfa_offset): Rename to...
9721 (frame_pointer_fb_offset): ... this. Adjust all uses.
9722 (convert_cfa_to_loc_list): Rename to...
9723 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
9724 Pass it on to build_cfa_loc.
9725 (compute_frame_pointer_to_cfa_displacement): Rename to...
9726 (compute_frame_pointer_to_fb_displacement): ... this. New
9727 offset parameter. Use it in computation.
9728 (gen_subprogram_die): Compute cfa_fb_offset with the new
9729 macro, and use it to compute the fb loc list and the
9732 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
9734 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
9735 replaced with register_operand.
9736 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
9737 non-DREG is expensive.
9738 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
9739 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
9742 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
9744 * doc/install.texi2html: Use set -e.
9746 2006-02-21 Richard Sandiford <richard@codesourcery.com>
9748 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9749 (ASM_OUTPUT_SHARED_LOCAL): Delete.
9750 * doc/invoke.texi (-fshared-data): Delete.
9751 * common.opt (fshared-data): Delete.
9752 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
9753 (assemble_static_space): Remove #if 0 code.
9754 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9755 (ASM_OUTPUT_SHARED_LOCAL): Poison.
9756 * config/cris/cris.h: Remove FIXME.
9758 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
9760 * doc/sourcebuild.texi (Front End Directory): No more double-colon
9763 2006-02-21 Jakub Jelinek <jakub@redhat.com>
9766 * combine.c (simplify_shift_const_1): Disable nested shifts
9767 optimization for vector shifts.
9769 2006-02-20 Roger Sayle <roger@eyesopen.com>
9771 PR tree-optimization/26361
9772 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
9773 of unsigned integer types.
9775 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
9777 * tree-chrec.c (eq_evolutions_p): New.
9778 * tree-chrec.h (eq_evolutions_p): Declared.
9779 * tree-data-ref.c: Fix formatting.
9780 (datadep_stats, dependence_stats): New.
9782 (print_direction_vector): New.
9783 (dump_data_dependence_relation): Use print_direction_vector.
9784 (object_analysis, create_data_ref): Handle COMPONENT_REF.
9785 (compute_subscript_distance): Static.
9786 (initialize_data_dependence_relation): Static. Get the number
9787 of loops surrounding the references from the callers, and initialize
9788 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
9789 base_object_differ_p analyzers.
9790 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
9791 compute_overlap_steps_for_affine_1_2,
9792 analyze_subscript_affine_affine): Count the classified dependences.
9793 Print a message when a test failed.
9794 (can_use_analyze_subscript_affine_affine): New.
9795 (analyze_siv_subscript): Compute the data dependences on symbolic
9796 scevs that verify can_use_analyze_subscript_affine_affine.
9797 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
9798 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
9799 Handle symbolic scevs.
9800 (analyze_overlapping_iterations): Let symbolic affine scevs to be
9802 (subscript_dependence_tester): Moved...
9803 (build_classic_dist_vector, build_classic_dir_vector): Don't use
9804 lambda_vector_clear on newly allocated vectors. Get nb_loops from
9805 DDR_SIZE_VECT instead of getting it in parameter.
9806 (subscript_dependence_tester): ... here. Take as a parameter
9807 loop_nest_depth. Call build_classic_dist_vector and
9808 build_classic_dir_vector.
9809 (compute_affine_dependence): Update subscript_dependence_tester
9810 parameters. Update datadep_stats counters. Call
9811 compute_subscript_distance.
9812 (compute_self_dependence): Save the dist and dir vectors. Call
9813 compute_subscript_distance.
9814 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
9815 (compute_all_dependences): Reorder parameters as they were before
9816 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
9817 compute_subscript_distance. Update the use of
9818 compute_affine_dependence and initialize_data_dependence_relation.
9819 (find_data_references_in_loop): Handle COMPONENT_REF.
9820 (compute_data_dependences_for_loop): Initialize dependence_stats.
9821 Don't call build_classic_dist_vector and build_classic_dir_vector.
9822 Update the parameters of initialize_data_dependence_relation and
9823 compute_all_dependences. Print the statistics from datadep_stats.
9824 (analyze_all_data_dependences): Static. Not used until the pass for
9825 checking the data dependences is contributed.
9826 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
9827 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
9828 (initialize_data_dependence_relation, compute_affine_dependence,
9829 analyze_all_data_dependences, compute_subscript_distance): Removed.
9830 (print_direction_vector): New.
9831 * lambda.h (gcd): ... here.
9832 (lambda_vector_gcd): Moved here from gcd_vector.
9833 * lambda-code.c (gcd, gcd_vector): Removed.
9834 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
9835 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
9837 2006-02-20 Diego Novillo <dnovillo@redhat.com>
9839 * ipa-type-escape.c: Tidy some comments and white space.
9840 * tree-ssa-operands.c: Likewise.
9842 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
9845 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
9846 (dump_decl_name): Do not walk the decl tree chains.
9847 * tree-pass.h (TDF_CHAIN): Remove.
9849 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9851 * Makefile.in (C): Remove
9853 (.PHONY): Remove C and PROTO
9855 2006-02-20 Roger Sayle <roger@eyesopen.com>
9858 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
9859 deprecated CHAR_TYPE tree code.
9861 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9863 * configure.ac (target_list): Add install-info, dvi, html.
9864 * configure: Regenerate.
9866 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
9867 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
9868 treelang/Make-lang.in: Do not use double-colon rules.
9870 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
9872 * tree.h (struct tree_memory_tag): Add is_used_alone member.
9873 (TMT_USED_ALONE): New macro.
9874 * tree-pass.h (PROP_tmt_usage): New property.
9875 (TODO_update_tmt_usage): New todo.
9876 * tree-ssa-alias.c (updating_used_alone): New variable.
9877 (recalculate_used_alone): New function.
9878 (compute_may_aliases): Set updating_used_alone, call
9879 recalculate_used_alone.
9880 * tree-sra.c (pass_sra): Note that this pass destroys
9881 PROP_tmt_usage, and add TODO_update_tmt_usage.
9882 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
9883 * tree-flow.h (updating_used_alone): Prototype.
9884 (recalculate_used_alone): Ditto.
9885 * passes.c (execute_todo): Add code to set updating_used_alone,
9886 and call recalculate.
9887 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
9888 for clobber if used alone, and add assert to verify used_alone
9891 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
9893 * config/s390/s390.c (legitimize_pic_address): Assertions checking
9894 for non tls symbols added.
9895 (legitimize_address): Do nothing for PLUS expressions if one of the
9896 addends is a tls symbol reference.
9898 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9902 * Makefile.in (LDFLAGS): Define from autoconf substitution.
9904 * Makefile.in (BOOTSTRAPPING): New.
9905 (quickstrap): New definition if BOOTSTRAPPING=yes.
9907 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
9908 * configure.ac: Substitute all_selected_languages with the languages
9909 that were configured. For all the other variables except
9910 lang_specs_files, include all the languages in the tree.
9911 * configure: Regenerate.
9913 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
9914 if there is one. Run the commands to run fixincludes in the same
9917 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
9918 * doc/install.texi: Document exact conventions for searching target tools.
9919 Document --with-build-time-tools. Document toplevel bootstrap. Document
9920 something more about building an Ada cross-compiler. Don't list GNU Make
9921 requirements which affect all platforms.
9923 2006-02-19 Roger Sayle <roger@eyesopen.com>
9926 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
9927 only equivalent if the have both the same mode and precision.
9929 2006-02-20 Ben Elliston <bje@au.ibm.com>
9931 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
9933 2006-02-19 Roger Sayle <roger@eyesopen.com>
9934 Steven Bosscher <stevenb.gcc@gmail.com>
9936 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
9937 constant pool references to identify stack mode constants.
9938 * rtlanal.c (constant_pool_constant_p): New predicate to check
9939 whether operand is a floating point constant in the pool.
9940 * rtl.h (constant_pool_constant_p): Prototype here.
9941 * loop.c (scan_loop): Avoid hoisting constants from the constant
9942 pool on STACK_REGS targets.
9943 (load_mems): Likewise.
9944 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
9945 loads into x87 registers expensive in terms of register pressure.
9947 2006-02-19 Roger Sayle <roger@eyesopen.com>
9949 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
9950 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
9952 2006-02-19 David Edelsohn <edelsohn@gnu.org>
9954 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9955 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
9957 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
9959 * doc/invoke.texi: Document -fipa-pta.
9960 * common.opt: Add ipa-pta option.
9961 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
9962 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
9963 (do_ds_constraint): Ditto.
9964 (get_constraint_for): Only add to referenced_vars if
9965 referenced_vars exists.
9966 (insert_into_field_list): Rewrite to do this unsorted.
9967 (insert_into_field_list_sorted): Rename old insert_into_field_list
9969 (create_function_info_for): Use insert_into_field_list_sorted.
9970 (create_variable_info_for): Rewrite so it uses unsorted version,
9971 since the field list is sorted.
9972 (intra_create_variable_infos): Only add to referenced_vars if
9973 referenced_vars exists.
9974 (ipa_pta_execute): Init heapvars, and delete when done.
9975 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
9977 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9979 * doc/install.texi: Add missing `@samp'.
9981 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9983 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
9986 2006-02-18 Mark Wielaard <mark@klomp.org>
9988 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
9989 who added new 4.1 features, bug fixes and integration support.
9991 2006-02-18 David Edelsohn <edelsohn@gnu.org>
9994 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
9997 2006-02-18 Richard Sandiford <richard@codesourcery.com>
9999 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
10000 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
10001 (copy_insn_1): Likewise. Don't copy each field individually.
10003 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
10005 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
10006 * rtl.c (rtx_size): Rename variable to...
10007 (rtx_code_size): ...this.
10008 (rtx_size): New function.
10009 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
10010 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
10012 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
10013 * rtl.h (rtx_code_size): New variable.
10014 (rtx_size): Change from a variable to a function.
10015 (RTX_SIZE): Rename to...
10016 (RTX_CODE_SIZE): ...this.
10019 PR tree-optimization/17106
10020 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
10021 (Anchored Addresses): New section.
10022 * doc/invoke.texi (-fsection-anchors): Document.
10023 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
10024 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
10025 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
10026 * hooks.c (hook_bool_mode_rtx_false): New function.
10027 * hooks.h (hook_bool_mode_rtx_false): Declare.
10028 * gengtype.c (create_optional_field): New function.
10029 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
10030 SYMBOL_REF_IN_BLOCK_P is true.
10031 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
10032 (min_anchor_offset, max_anchor_offset): Likewise.
10033 (use_anchors_for_symbol_p): New hook.
10034 * toplev.c (compile_file): Call output_object_blocks.
10035 (target_supports_section_anchors_p): New function.
10036 (process_options): Check that -fsection-anchors is only used on
10037 targets that support it and when -funit-at-a-time is in effect.
10038 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
10039 if the decl doesn't have one.
10040 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
10041 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
10042 of force_const_mem through use_anchored_address.
10043 (expand_expr_constant): New function.
10044 (expand_expr_addr_expr_1): Call it. Use the same modifier when
10045 calling expand_expr for INDIRECT_REF.
10046 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
10047 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
10048 * expr.h (use_anchored_address): Declare.
10049 * loop-unroll.c: Don't declare rtx vectors here.
10050 * explow.c: Include output.h.
10051 (validize_mem): Call use_anchored_address.
10052 (use_anchored_address): New function.
10053 * common.opt (-fsection-anchors): New switch.
10054 * varasm.c (object_block_htab, anchor_labelno): New variables.
10055 (hash_section, object_block_entry_eq, object_block_entry_hash)
10056 (use_object_blocks_p, get_block_for_section, create_block_symbol)
10057 (use_blocks_for_decl_p, change_symbol_section): New functions.
10058 (get_variable_section): New function, split out from assemble_variable.
10059 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
10060 use_blocks_for_decl_p say so. Use change_symbol_section if the
10061 symbol has already been created.
10062 (assemble_variable_contents): New function, split out from...
10063 (assemble_variable): ...here. Don't output any code for
10064 block symbols; just pass them to place_block_symbol.
10065 Use get_variable_section and assemble_variable_contents.
10066 (get_constant_alignment, get_constant_section, get_constant_size): New
10067 functions, split from output_constant_def_contents.
10068 (build_constant_desc): Create a block symbol if use_object_blocks_p
10069 says so. Or into SYMBOL_REF_FLAGS.
10070 (assemble_constant_contents): New function, split from...
10071 (output_constant_def_contents): ...here. Don't output any code
10072 for block symbols; just pass them to place_section_symbol.
10073 Use get_constant_section and get_constant_alignment.
10074 (force_const_mem): Create a block symbol if use_object_blocks_p and
10075 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
10076 (output_constant_pool_1): Add an explicit alignment argument.
10077 Don't switch sections here.
10078 (output_constant_pool): Adjust call to output_constant_pool_1.
10079 Switch sections here instead. Don't output anything for block symbols;
10080 just pass them to place_block_symbol.
10081 (init_varasm_once): Initialize object_block_htab.
10082 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
10083 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
10084 (place_block_symbol, get_section_anchor, output_object_block)
10085 (output_object_block_htab, output_object_blocks): New functions.
10086 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
10087 (TARGET_ASM_OUT): Include it.
10088 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
10089 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
10090 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
10091 (TARGET_INITIALIZER): Include them.
10092 * rtl.c (rtl_check_failed_block_symbol): New function.
10093 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
10094 (block_symbol, object_block): New structures.
10095 (rtx_def): Add a block_symbol field to the union.
10096 (BLOCK_SYMBOL_CHECK): New macro.
10097 (rtl_check_failed_block_symbol): Declare.
10098 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
10099 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
10100 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
10101 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
10102 * output.h (output_section_symbols): Declare.
10103 (object_block): Name structure.
10104 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
10105 (default_use_anchors_for_symbol_p): Declare.
10106 * Makefile.in (RTL_BASE_H): Add vec.h.
10107 (explow.o): Depend on output.h.
10108 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
10109 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10110 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10111 (rs6000_use_blocks_for_constant_p): New function.
10113 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10115 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
10117 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10120 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
10123 2006-02-18 Diego Novillo <dnovillo@redhat.com>
10125 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
10129 2006-02-18 Jakub Jelinek <jakub@redhat.com>
10131 PR middle-end/26334
10132 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
10133 instead of DECL_REGISTER.
10135 2006-02-18 Olivier Hainque <hainque@adacore.com>
10138 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
10140 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
10143 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
10144 * opth-gen.awk: Handle Var and InverseMask together.
10145 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
10146 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
10147 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
10148 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
10150 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10151 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10152 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
10153 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10154 LINUX_DYNAMIC_LINKER): Define.
10155 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
10156 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
10158 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10159 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
10160 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10161 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10162 (TARGET_C99_FUNCTIONS): Don't define.
10163 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
10164 GLIBC_DYNAMIC_LINKER.
10165 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
10166 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
10167 GLIBC_DYNAMIC_LINKER64): Define.
10168 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10169 LINUX_DYNAMIC_LINKER64.
10170 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10171 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10172 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
10173 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10174 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10175 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10176 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
10177 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
10178 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
10179 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
10180 and LINUX_DYNAMIC_LINKER32.
10181 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10182 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10183 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
10184 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10185 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
10187 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
10188 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
10189 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10190 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10191 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10192 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
10193 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
10194 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
10195 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10196 LINUX_DYNAMIC_LINKER): Define.
10197 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
10198 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
10199 GLIBC_DYNAMIC_LINKER64): Define.
10200 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10201 LINUX_DYNAMIC_LINKER64.
10202 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10203 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10204 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
10205 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10206 LINUX_DYNAMIC_LINKER): Define.
10207 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10208 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10209 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
10210 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
10211 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
10212 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10213 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
10214 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
10215 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10216 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10217 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10218 * doc/invoke.texi (-muclibc): Remove caveat about supported
10221 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
10223 * doc/cpp.texi (__TIMESTAMP__): Document.
10225 2006-02-17 Roger Sayle <roger@eyesopen.com>
10227 PR middle-end/25600
10228 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
10229 C is one less than the width of X (and related transformations).
10230 * simplify-rtx.c (simplify_unary_operation_1): Transform
10231 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
10232 depending on STORE_FLAG_VALUE, were C is one less then the
10235 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
10237 Fix PR tree-optimization/26341
10238 * tree-ssa-operands.c (add_virtual_operand): Remove assert
10239 about NAME_MEMORY_TAG's.
10241 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10244 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
10245 with hardware float support, and software float support. Add fcpy
10246 alternative to hardware patterns. Add alternatives to copy between
10247 general and floating-point registers to the 32-bit pattern.
10248 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
10249 secondary reload to load a QI or HI mode constant into a floating
10251 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
10252 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
10254 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
10257 * config/rs6000/darwin.md (load_macho_picbase_si): Add
10259 (load_macho_picbase_di): Likewise.
10261 2006-02-16 Jeff Law <law@redhat.com>
10263 * tree-vrp.c (set_value_range_to_nonnegative): New function.
10264 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
10265 (ssa_name_nonzero_p): Likewise.
10266 (get_value_range): Return NULL if VRP is not running.
10267 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
10268 VRP routines do not discover a range.
10269 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
10270 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
10271 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
10272 (tree_expr_nonnegative_p): Similarly.
10273 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
10274 (restore_nonzero_vars_to_original_value): Remove.
10275 (unsafe_associative_fp_binop): Remove.
10276 (tree_ssa_dominator_optimize): Remove initialization and
10277 finalization of nonzero_vars and nonzero_vars_stack.
10278 (dom_opt_initialize_block): No longer push marker on
10279 nonzero_vars_stack.
10280 (dom_opt_finalize_block): No longer call
10281 restore_nonzero_vars_to_original_value.
10282 (record_equivalences_from_phis): No longer look for
10283 nonzero PHI arguments.
10284 (cprop_into_successor_phis): No longer propagate nonzero
10285 property into PHI arguments. Lose unused argument. Caller
10287 (record_equivalences_from_stmt): No longer record nonzero
10288 values for SSA_NAMEs.
10289 (lookup_avail_expr): No longer use nonzero_vars.
10291 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
10292 for sizetype when sizetype is unsigned.
10294 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
10296 PR rtl-optimization/25603
10297 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
10298 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
10299 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
10300 with new meaning of SETS.
10302 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
10307 * config/linux.opt: New file.
10308 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
10309 LINUX_DYNAMIC_LINKER): Define.
10310 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
10311 * config.gcc (*-*-linux*): Define extra_options.
10312 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
10313 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
10314 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
10315 GLIBC_DYNAMIC_LINKER.
10316 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
10317 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10318 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10319 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10320 * doc/invoke.texi (GNU/Linux Options): New section.
10322 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10324 * config/sparc/sparc.md (setjmp): Rewrite.
10325 (setjmp_32): Delete.
10326 (setjmp_64): Likewise.
10328 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
10330 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
10333 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10335 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
10338 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10340 PR rtl-optimization/26296
10341 * Makefile.in (loop-invariant.c): Add except.h dependency.
10342 * loop-invariant.c: Include except.h.
10343 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
10345 2005-02-16 Paul Brook <paul@codesourcery.com>
10347 * reload1.c (emit_reload_insns): Invalidate dead input registers used
10350 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
10352 PR rtl-optimization/25636
10353 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
10354 when deciding whether an insn is an initializing insn.
10356 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
10358 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
10359 (tree_code_size): Ditto.
10360 * tree.h (struct tree_memory_tag): Remove parent_var.
10361 (struct tree_struct_field_tag): New.
10364 (union tree_node): Add sft member.
10365 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
10367 (create_sft): Add size and offset argument, set SFT_OFFSET and
10369 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
10370 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
10371 * tree-flow-inline.h (get_subvar_at): Update for
10372 SFT_OFFSET/SFT_SIZE.
10373 (var_can_have_subvars): Ditto.
10374 (overlap_subvar): Ditto.
10375 * print-tree.c (print_node): Print out interesting things for
10377 * tree-flow.h (struct subvar): Remove offset and size members.
10378 * tree-ssa-operands.c (get_expr_operands): Update for
10379 get_indirect_ref_operands changes.
10380 (get_indirect_ref_operands): Call add_virtual_operand instead of
10381 add_stmt_operand. Only recurse on base var if requested.
10382 (access_can_touch_variable): New function.
10383 (add_stmt_operand): Split virtual operand handling into ...
10384 (add_virtual_operand): Here. Add offset, size, and for_clobber
10385 arguments. Prune alias sets.
10386 (add_call_clobber_ops): Call add_virtual_operand.
10388 2006-02-15 Jakub Jelinek <jakub@redhat.com>
10390 PR middle-end/26300
10391 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
10393 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
10394 than TREE_CODE as index into omp_clause_num_ops array.
10396 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
10398 PR rtl-optimization/26184
10399 * modulo-sched.c (generate_reg_moves): Free bitmap vector
10401 * modulo-sched.c (sms_schedule): Free g_arr pointer.
10402 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
10403 must_precede, must_follow and tobe_scheduled.
10406 * opts.c (common_handle_option): Free new_option pointer.
10407 * df-core.c (df_analyze): Free postorder pointer.
10409 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10411 * Makefile.in: Fix the examples about the use of stamps
10413 2006-02-15 Michael Matz <matz@suse.de>
10415 PR middle-end/22275
10417 * stor-layout.c (layout_decl): Zero-width bitfields aren't
10418 influenced by maximum_field_alignment or DECL_PACKED.
10419 (update_alignment_for_field): Ditto.
10420 (place_field): Ditto.
10421 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
10424 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
10426 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
10427 (debug_flow_info): Pass it.
10428 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
10429 * bb-reorder.c (reorder_basic_blocks): Likewise.
10430 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
10431 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
10432 * flow.c (life_analysis, recompute_reg_usage): Likewise.
10433 * gcse.c (gcse_main, bypass_jumps): Likewise.
10434 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
10435 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
10436 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
10437 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
10438 * rtl.h (dump_flow_info): Adjust prototype.
10439 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
10440 * var-tracking.c (variable_tracking_main): Likewise.
10441 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
10442 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
10445 2006-02-15 Marcin Dalecki <martin@dalecki.de>
10447 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
10450 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10452 PR tree-optimization/26209
10453 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
10454 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
10456 * tree-cfg.c (replace_uses_by): Do not alter cfg.
10458 2006-02-14 Roger Sayle <roger@eyesopen.com>
10460 PR middle-end/23670
10461 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
10462 (X,Y) and the corresponding symmetry related transformations.
10463 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
10464 (X,Y) and its symmetry related transformations.
10466 2006-02-14 Roger Sayle <roger@eyesopen.com>
10468 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
10471 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
10473 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
10475 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10478 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
10479 support COMDAT group.
10480 * configure: Regenerate.
10482 2006-02-14 Roger Sayle <roger@eyesopen.com>
10484 PR middle-end/26279
10485 PR middle-end/26280
10486 PR middle-end/26283
10487 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
10489 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
10491 Fix PR tree-optimization/26260
10493 * doc/invoke.texi (max-fields-for-field-sensitive): Document
10495 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
10496 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
10497 * tree-ssa-structalias.c (create_variable_info_for): Use
10498 MAX_FIELDS_FOR_FIELD_SENSITIVE.
10500 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10502 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
10504 * tree-ssa-loop-niter.c (number_of_iterations_ne,
10505 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
10506 of the ending condition.
10507 * tree-ssa-loop-manip.c: Include params.h.
10508 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
10509 tree_unroll_loop): New functions.
10510 * tree-pass.h (pass_loop_prefetch): Declare.
10511 * loop.c (rest_of_handle_loop_optimize): Test for
10512 -fprefetch-loop-arrays-rtl.
10513 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
10514 * timevar.def (TV_TREE_PREFETCH): New timevar.
10515 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
10516 pass_loop_prefetch): New.
10517 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
10518 (cleanup_tree_cfg_loop): Call scev_reset.
10519 * common.opt (fprefetch-loop-arrays-rtl): Add.
10520 * tree-ssa-loop-prefetch.c: New file.
10521 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
10522 (new_temp_expr_table): Initialize expr_vars.
10523 (free_temp_expr_table): Cleanup expr_vars.
10524 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
10525 expressions from being merged into one.
10526 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
10527 (struct tree_niter_desc): Add control, bound and cmp fields.
10528 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
10530 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
10531 (tree-cfgcleanup.o): Add SCEV_H dependency.
10532 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
10533 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
10535 2006-02-14 Richard Guenther <rguenther@suse.de>
10537 PR tree-optimization/26258
10538 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
10539 in PHI argument processing.
10541 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
10543 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
10544 new expression in the requested machine mode.
10546 2006-02-13 Roger Sayle <roger@eyesopen.com>
10548 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
10549 directly, instead let do_compare_rtx_and_jump handle this for us.
10550 * expr.c (expand_expr_real_1): Likewise.
10551 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
10552 before do_jump_by_parts_greater.
10553 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
10554 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
10556 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10558 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
10560 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10562 PR rtl-optimization/26235
10563 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
10564 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
10567 2006-02-13 Jeff Law <law@redhat.com>
10569 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
10572 2006-02-13 Jakub Jelinek <jakub@redhat.com>
10574 PR middle-end/26092
10575 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
10576 twice if decl is a builtin. When trying again, call get_callee_fndecl
10577 first to verify it is still a builtin.
10579 2006-02-13 Geoffrey Keating <geoffk@apple.com>
10581 * dwarf2out.c (base_type_die): Don't add AT_name here.
10582 (subrange_type_die): Don't add AT_name here.
10583 (modified_type_die): Rearrange code flow. Do add AT_name here.
10585 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10587 PR rtl-optimization/26247
10588 PR rtl-optimization/26248
10589 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
10591 2006-02-13 Richard Sandiford <richard@codesourcery.com>
10593 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
10594 * config/fixtfdi.c: Likewise.
10595 * config/fixunstfdi.c: Likewise.
10596 * config/floatditf.c: Likewise.
10598 2006-02-13 Roger Sayle <roger@eyesopen.com>
10600 PR middle-end/24427
10601 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
10602 into (X,C2) if C1 is a subset of the bits of C2. Transform
10603 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
10605 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
10607 2006-02-13 Josh Conner <jconner@apple.com>
10610 * varasm.c (function_section): Check for section name before
10611 calling select_section on targets that define
10612 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
10613 unlikely_text_section instead of hot_function_section if
10614 first_function_block_is_cold.
10616 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
10618 PR middle-end/25335
10619 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
10621 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10623 PR rtl-optimization/26222
10624 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
10625 after tree->rtl expansion.
10626 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
10627 before passing it to emit_move_insn.
10629 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
10631 * doc/invoke.texi (-Write-strings): Document that it is enabled by
10633 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
10634 Clarify documentation.
10635 * c-common.h (warn_write_strings): Remove.
10636 * c-common.c (warn_write_strings): Likewise.
10637 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
10640 2006-02-12 Roger Sayle <roger@eyesopen.com>
10642 PR middle-end/25724
10643 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
10644 (do_jump_parts_zero_rtx): New function renamed from
10645 do_jump_parts_equality_rtx. Made static. Add a mode argument.
10646 (do_jump_parts_equality_rtx): New function split out from
10647 do_jump_parts_equality. Old implementation renamed as above.
10648 Call do_jump_parts_zero_rtx if either operand is zero.
10649 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
10650 do all of the heavy lifting.
10651 (do_compare_rtx_and_jump): Handle multi-word comparisons by
10652 calling either do_jump_by_parts_greater_rtx or
10653 do_jump_by_parts_equality_rtx.
10654 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
10655 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
10656 moved to do_compare_rtx_and_jump, call it directly.
10657 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
10658 mode argument. Call do_compare_rtx_and_jump.
10659 (emit_case_nodes): Update calls to do_jump_if_equal.
10661 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10663 PR rtl-optimization/26225
10664 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
10666 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10668 PR rtl-optimization/26232
10669 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
10671 2006-02-11 Jason Merrill <jason@redhat.com>
10674 * tree-inline.c (declare_return_variable): Just don't use the
10675 modify target if it's a gimple complex reg and the return slot
10678 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10680 * doc/contrib.texi: Update my entry.
10682 2006-02-10 Geoffrey Keating <geoffk@apple.com>
10684 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
10686 2006-02-10 Diego Novillo <dnovillo@redhat.com>
10688 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
10691 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
10693 * doc/invoke.texi (-floop-optimize2): Removed.
10694 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
10695 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
10696 Test flag_branch_on_count_reg only if HAVE_doloop_end.
10697 * common.opt (floop-optimize2): Removed.
10698 (fmove-loop-invariants): Enabled by default.
10700 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
10702 * tree-if-conv.c (combine_blocks): Free the result of
10703 get_loop_exit_edges.
10705 2006-02-10 Jeff Law <law@redhat.com>
10707 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
10709 PR tree-optimization/26213
10710 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
10711 loop trying to follow SSA_NAME_VALUE chains.
10713 2006-02-10 Richard Guenther <rguenther@suse.de>
10715 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
10716 deal with structures that end in implicitly variable sized arrays.
10718 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10720 PR rtl-optimization/24762
10721 * df-scan.c (df_bb_refs_record): Record correct registers defined on
10724 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10726 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
10727 (struct ivopts_data): Add regs_used field.
10728 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
10729 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
10730 instead of loop_data->regs_used;
10731 (free_loop_data): Do not free aux fields for loops.
10732 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
10733 and tree_ssa_iv_optimize_finalize.
10735 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
10737 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
10739 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10742 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
10743 computing the effective result type.
10745 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10747 PR inline-asm/16194
10748 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
10749 (tree_overlaps_hard_reg_set): Declare.
10750 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
10751 type and signature to match function type expected by walk_tree.
10752 (tree_overlaps_hard_reg_set): New function.
10753 (decl_conflicts_with_clobbers_p): Rename to:
10754 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
10755 Use tree_overlaps_hard_reg_set. Changed caller.
10756 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
10757 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
10758 * cris.c (cris_md_asm_clobbers): Likewise.
10760 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
10762 * reload1.c (emit_input_reload_insns): Delete code that tries to
10763 inherit using find_equiv_reg.
10765 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
10767 * c-common.h (flag_const_strings): Don't declare.
10768 * c-common.c (flag_const_strings): Remove.
10769 * c.opt (fconst_strings): Remove.
10770 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
10771 <OPT_Wwrite_strings>: Don't set flag_const_strings.
10772 (c_common_init_options): Don't set flag_const_strings.
10773 * doc/invoke.texi (-fno-const-strings): Remove documentation.
10775 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
10777 * arm.md (tlobits_cbranch): New pattern.
10778 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
10779 testing a single bit.
10781 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10784 * tree-ssa-pre.c (create_component_ref_by_pieces):
10785 Handle RETURN_DECL like VAR_DECL.
10787 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10789 PR middle-end/26134
10790 * fold-const.c (fold_indirect_ref_1): Fold
10791 "*(foo *)&complexfoo" to "__real__ complexfoo"
10792 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
10794 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10796 * tree-flow-inline.h (var_can_have_subvars):
10797 Volatile variables should not have subvariables.
10799 2006-02-09 Diego Novillo <dnovillo@redhat.com>
10802 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
10803 multiplying unsigned values.
10806 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
10808 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
10810 2006-02-08 Jason Merrill <jason@redhat.com>
10813 * tree.def: Elaborate on difference from MODIFY_EXPR.
10814 * doc/c-tree.texi (INIT_EXPR): Likewise.
10815 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
10816 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
10817 (gimplify_target_expr): Likewise.
10818 (gimplify_cond_expr): Remove target handling.
10819 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
10820 (gimplify_expr): Clobber it here.
10821 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
10822 Do return slot optimization if we have an INIT_EXPR.
10825 * tree-inline.c (declare_return_variable): Also clear
10826 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
10829 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
10831 PR middle-end/22439
10832 * gimplify.c (gimplify_one_sizepos): Fix typo.
10834 2006-02-08 Jeff Law <law@redhat.com>
10836 PR tree-optimization/21417
10837 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
10838 across a backedge if the control statement at the end of the
10839 block is data dependent on other statements in the same block.
10840 (record_temporary_equivalences_from_stmts): Remove over-conservative
10841 test for threading across backedges.
10843 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
10844 control statement, handle all three special cases in the same
10845 manner as they all have the same desired solution. No longer
10846 special case edge flag updating when the post dominator is
10849 2006-02-08 Roger Sayle <roger@eyesopen.com>
10851 * tree.def (CHAR_TYPE): Remove.
10852 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
10853 * dwarf2out.c (base_type_die, is_base_type): Likewise.
10854 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
10855 (gen_string_type_die): Delete unreachable function.
10857 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
10858 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
10859 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
10860 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
10861 * builtins.c (type_to_class): Likewise.
10862 * fold-const.c (fold_convert, build_range_check,
10863 merge_ranges): Likewise.
10864 * expr.c (count_type_elements): Likewise.
10865 * c-pretty-print.c (pp_c_type_specifier): Likewise.
10866 * stor-layout.c (layout_type): Likewise.
10867 * ipa-type-escape.c (type_to_consider): Likewise.
10868 * gimplify.c (omp_firstprivatize_type_sizes,
10869 gimplify_type_sizes): Likewise.
10870 * explow.c (promote_mode): Likewise.
10871 * tree-sra.c (is_sra_scalar_type): Likewise.
10872 * varasm.c (output_constant): Likewise.
10873 * tree-inline.c (remap_type_1): Likewise.
10874 * convert.c (convert_to_pointer, convert_to_real,
10875 convert_to_integer, convert_to_complex): Likewise.
10877 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
10879 * df-scan.c (df_def_record_1): A set destination may
10880 be a parallel regardless of mode.
10882 2006-02-08 Roger Sayle <roger@eyesopen.com>
10885 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
10886 * config/mips/_tilib.c: Remove.
10887 * config/fixtfdi.c: New libgcc source file.
10888 * config/fixunstfdi.c: New source file.
10889 * config/floatditf.c: New source file.
10890 * config/floatunditf.c: New souce file.
10891 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10892 files above instead of config/mips/_tilib.c.
10893 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10895 2006-02-08 Jeff Law <law@redhat.com>
10897 PR tree-optimization/26169
10898 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
10901 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
10903 * df.h (DF_REG_SIZE): Return the length of the initialized
10906 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
10908 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
10909 __muldf3): Return a correctly signed zero.
10911 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
10913 * passes.c (register_one_dump_file): Accept the current properties
10914 instead of pass number. Adjust call to dump_register. Remove
10916 (register_dump_files): Now a wrapper around...
10917 (register_dump_files_1): ... this one. Do not modify the pass
10919 (next_pass_1): Cosmetic fix.
10920 (execute_todo): Keep second parameter only. Use curr_properties
10921 instead of fetching it from the pass structure. Check and set
10923 (execute_one_pass): Handle TODO_set_props. Use curr_properties
10924 instead of fetching it from the pass structure. Fix calls to
10925 execute_todo. Update curr_properties and initialize .vcg RTL dump
10926 after running the pass. Reset last_verified.
10927 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
10929 (FIRST_AUTO_NUMBERED_DUMP): New.
10930 (dump_register): Remove "num" parameter, assign it within the
10932 (get_dump_file_name): Modify template for dumps.
10933 * tree-dump.h (dump_register): Adjust prototype.
10934 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
10935 (PROP_trees): Add PROP_gimple_lomp.
10936 (TODO_set_props): New.
10937 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
10938 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
10939 * cfgexpand.c (pass_expand): Destroy PROP_trees.
10941 2006-02-08 Jakub Jelinek <jakub@redhat.com>
10943 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
10944 (sparc64-*-linux*): Likewise.
10945 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
10946 * config/sparc/t-linux: New file.
10947 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
10948 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
10949 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
10950 -m32 -mlong-double-128.
10952 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
10953 * config/alpha/t-linux: New file.
10954 * config/alpha/libgcc-alpha-ldbl.ver: New file.
10956 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
10957 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
10958 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
10959 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
10960 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
10961 (CPP_ARCH32_SPEC): Remove.
10963 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
10965 PR tree-optimization/26145
10966 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
10969 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10972 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
10973 >= 240000 when generating code for SOM runtime.
10974 (output_indirect_call): Don't use "b,l" instruction for indirect calls
10975 to $$dyncall when generating code for SOM runtime..
10977 2006-02-07 Dirk Mueller <dmueller@suse.com>
10980 * doc/invoke.texi (-Wsequence-point): Update documentation
10981 that -Wsequence-point is implemented for C++ as well.
10983 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10985 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
10986 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
10987 (LIB_SPEC): Likewise.
10988 * doc/invoke.texi (SPARC options): Document -pthread.
10990 2006-02-07 Geoffrey Keating <geoffk@apple.com>
10992 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
10995 2006-02-07 Roger Sayle <roger@eyesopen.com>
10997 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
10998 Correct comment describing BOOLEAN_TYPE.
11000 2006-02-07 Dirk Mueller <dmueller@suse.com>
11002 * c.opt: C++ frontend supports -Wdiv-by-zero.
11003 * c-opts.c (c_common_handle_option): Remove dead case.
11005 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11007 * configure.ac (TLS assembler check): Do not enable TLS by
11008 default on SPARC/Solaris before version 10.
11009 * configure: Regenerate.
11011 2006-02-07 David Edelsohn <edelsohn@gnu.org>
11013 * doc/invoke.texi (xl-compat): Document conversion and support
11016 2006-02-07 Jeff Law <law@redhat.com>
11018 * tree-vrp.c (find_conditional_asserts): Update comments.
11019 (simplify_stmt_for_jump_threading): New.
11020 (identify_jump_threads, finalize_jump_threads): New.
11021 (vrp_finalize): Call identify_jump_threads.
11022 (execute_vrp): Call finalize_jump_threads.
11023 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
11024 (vrp_element, vrp_data, vrp_element_p): Remove.
11025 (vrp_hash_elt, vrp_variables_stack): Remove.
11026 (vrp_hash, vrp_eq, record_range): Remove.
11027 (simplify_cond_and_lookup_avail_expr): Remove.
11028 (extract_range_from_cond): Remove.
11029 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
11030 (simplify_stmt_for_jump_threading): New.
11031 (dom_thread_across_edge): New wrapper.
11032 (tree_ssa_dominator_optimize): No longer initialize or
11033 finalize any of the VRP datastructures. Remove iteration
11034 step and simplify as a result of removal of iteration step.
11035 (pass_dominator): Perform a cfg cleanup after DOM.
11036 (dom_opt_finalize_block): Use the new common routines
11037 for threading jumps. Simplify stack management slightly.
11038 No longer need to unwind VRP state.
11039 (record_equivalences_from_incoming_edge): No longer record
11041 (eliminate_redundant_computations): No longer call
11042 simplify_cond_and_lookup_avail_expr.
11043 * tree-flow.h (potentially_threadable_block): Prototype.
11044 (thread_across_edge): Likewise.
11045 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
11046 (tree-ssa-threadedge.o): Add dependencies.
11047 * tree-ssa-threadedge.c: New file.
11048 * passes.c (init_optimization_passes): Merge PHIs before
11049 calling VRP. Run VRP again late in the SSA optimization pipeline.
11051 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11053 * df-core.c (df_set_blocks): Do not dereference function pointers.
11054 (df_finish1): Likewise.
11055 (df_hybrid_search_forward): Likewise.
11056 (df_hybrid_search_backward): Likewise.
11057 (df_iterative_dataflow): Likewise.
11058 (df_analyze_problem): Likewise.
11059 (df_compact_blocks): Likewise.
11060 (df_dump): Likewise.
11061 * df-scan.c (df_rescan_blocks): Likewise.
11062 (df_record_entry_block_defs): Likewise.
11064 * genconditions.c (write_conditions): Guard the definition of
11065 'insn_conditions' with the check on GCC version.
11066 (write_writer): Guard the traversal 'insn_conditions' with
11067 the check on GCC version.
11069 2006-02-07 Richard Guenther <rguenther@suse.de>
11073 2006-01-30 Richard Guenther <rguenther@suse.de>
11075 * gimplify.c (gimplify_target_expr): Handle easy cases
11076 without creating a temporary.
11078 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
11080 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
11081 use of float in probability computations. Use edge probabilities
11082 in place of statically computed probabilities.
11083 (min_spec_prob): New static variable.
11084 (schedule_insns): Initialize it.
11085 (GET_SRC_PROB): Removed.
11086 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
11088 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
11091 * config/ia64/unwind-ia64.c: Revert last change.
11092 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
11093 (INCOMING_FRAME_SP_OFFSET): Define.
11095 2006-02-06 Roger Sayle <roger@eyesopen.com>
11097 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
11099 2006-02-07 Ben Elliston <bje@au.ibm.com>
11101 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
11102 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
11103 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
11104 (ix86_return_in_memory): Handle TDmode.
11105 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
11106 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
11108 2006-02-06 Richard Sandiford <richard@codesourcery.com>
11110 * reorg.c (dbr_schedule): Use dump_file instead of file.
11112 2006-02-06 Steve Ellcey <sje@cup.hp.com>
11115 * config/ia64/predicates.md (extr_len_operand): New predicate.
11116 * config/ia64/ia64.md (extv): Tighten constraints.
11118 (*tbit_and_2): Ditto.
11119 (*tbit_and_3): Ditto.
11120 (*tbit_or_2): Ditto.
11121 (*tbit_or_3): Ditto.
11122 (*bit_zero): Ditto.
11125 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
11128 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
11130 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
11132 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
11133 loop_optimizer_init and loop_optimizer_finalize
11134 * tree-ssa-sink.c (execute_sink_code): Ditto.
11135 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11136 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
11137 tree_ssa_loop_done): Ditto.
11138 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
11139 * sched-ebb.c: Include output.h.
11140 (schedule_ebbs): Do not use dump argument.
11141 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
11142 * loop.c (loop_dump_stream): Removed.
11143 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
11145 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
11146 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
11147 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
11148 loop_iterations, strength_reduce, record_biv, record_giv,
11149 final_giv_value, check_final_value, check_ext_dependent_givs,
11150 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
11151 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
11152 dump_file instead of loop_dump_stream.
11153 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
11154 argument dump_file.
11155 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
11157 * flow.c (life_analysis, rest_of_handle_life): Ditto.
11158 * haifa-sched.c: Include output.h
11159 (schedule_insns, sched_init): Do not use dump argument.
11160 * mode-switching.c (optimize_mode_switching): Ditto.
11161 * modulo-sched.c (stats_file): Removed.
11162 (print_node_sched_params): Do not call argument dump_file.
11163 (sms_schedule_by_order, loop_canon_p, sms_schedule,
11164 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
11166 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
11168 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
11169 rtl_loop_init, rtl_loop_done): Ditto.
11170 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
11171 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
11173 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
11174 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
11175 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
11176 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
11177 * emit-rtl.c (renumber_insns): Ditto.
11178 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
11179 expand_gimple_basic_block, tree_expand_cfg): Ditto.
11180 * regclass.c (regclass): Ditto.
11181 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
11182 remove_ssa_form, rewrite_out_of_ssa): Ditto.
11183 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
11184 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
11186 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
11187 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
11189 * gcse.c (gcse_file, debug_stderr): Removed.
11190 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
11191 rest_of_handle_gcse): Do not use dump argument.
11192 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
11193 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
11194 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
11195 compute_code_hoist_vbeinout, compute_code_hoist_data,
11196 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
11197 compute_store_table, build_store_vectors, insert_insn_start_bb,
11198 insert_store, remove_reachable_equiv_notes, replace_store_insn,
11199 store_motion): Use dump_file instead of gcse_file.
11200 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
11201 * profile.c (profile_dump_file): Removed.
11202 (branch_prob): Use dump_file instead of profile_dump_file.
11203 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
11205 * tree-ssa-copy.c (dump_copy_of): Ditto.
11206 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
11207 dump file to life_analysis.
11208 * bt-load.c (branch_target_load_optimize): Ditto.
11209 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
11211 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
11212 regclass, dbr_schedule): Declaration changed.
11213 * sched-int.h (sched_init): Declaration changed.
11214 * tree-profile.c (tree_profile_dump_file): Removed.
11215 (tree_profile_hooks): Removed profile_dump_file hook.
11216 * rtl-profile (rtl_profile_dump_file): Removed.
11217 (rtl_profile_hooks): emoved profile_dump_file hook.
11218 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
11220 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
11221 * tree-cfg.c (build_tree_cfg): Ditto.
11222 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
11223 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
11224 Declaration changed.
11225 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
11226 life_analysis and schedule_insns.
11227 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
11229 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
11231 * config/mips/mips.c (mips_reorg): Ditto.
11232 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
11235 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
11237 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11238 (s390_mangle_fundamental_type): New.
11239 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11242 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11243 (alpha_mangle_fundamental_type): New.
11244 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11247 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11249 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11251 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11252 (sparc_mangle_fundamental_type): New.
11254 2006-02-06 Jakub Jelinek <jakub@redhat.com>
11256 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
11257 (s390x-*-linux*): Likewise.
11258 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
11259 * config/s390/t-linux: New file.
11261 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11263 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
11264 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
11266 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
11268 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
11269 (ANTIC_SAFE_LOADS): New macro.
11270 (find_or_generate_expression): Add prototype.
11271 (set_contains_value): Allow null set for sake of not always having
11272 to allocate ANTIC_SAFE_LOADS.
11273 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
11274 Allow COMPONENT_REF too.
11275 (valid_in_set): Allow COMPONENT_REF.
11276 Check ANTIC_SAFE_LOADS too.
11277 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
11278 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
11280 (can_PRE_operation): Add COMPONENT_REF.
11281 (create_component_ref_by_pieces): New function.
11282 (create_expression_by_pieces): Use create_component_ref_by_pieces.
11283 (insert_aux): Move AGGREGATE_TYPE_P check here.
11284 (compute_avail): Set bb local stmt uids.
11285 (pass_pre): Use TODO_update_ssa_only_virtuals.
11287 2006-02-06 Ben Elliston <bje@au.ibm.com>
11289 * configure.ac: Unconditionally disable decimal float by default.
11290 * configure: Regenerate.
11292 2006-02-06 Ben Elliston <bje@au.ibm.com>
11294 * read-rtl.c (read_name): Terminate reading on EOF.
11296 2006-02-06 Ben Elliston <bje@au.ibm.com>
11298 * dfp.c (decimal_real_arithmetic): Change second argument type
11299 from int to enum tree_code. Do not always return true, but now
11300 return result of any call to decimal_do helper functions.
11301 * dfp.h (decimal_real_arithmetic): Update prototype.
11303 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
11305 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
11307 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
11310 * tree-cfg.c (cleanup_dead_labels): Also don't remove
11313 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11315 * tree-vrp.c (cfg_loops): Removed.
11316 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
11317 Use current_loops instead of cfg_loops. Pass flags to
11318 loop_optimizer_init.
11319 * cfgloopmanip.c (fix_loop_structure): Update only available
11321 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
11322 loop_optimizer_init.
11323 * modulo-sched.c (build_loops_structure): Removed.
11324 (sms_schedule): Use loop_optimizer_init.
11325 * loop-init.c (loop_optimizer_init): Use flags to determine
11326 which properties of loops to prepare.
11327 (rtl_loop_init): Pass flags to loop_optimizer_init.
11328 * tree-ssa-sink.c (execute_sink_code): Ditto.
11329 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
11330 * tree-ssa-pre.c (init_pre): Ditto.
11331 * cfgloop.h (LOOPS_NORMAL): New.
11332 (loop_optimizer_init): Declaration changed.
11334 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11336 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
11337 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
11339 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
11341 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
11343 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
11344 * pa/t-pa64: Delete quadlib.c rule.
11345 * pa/x-ada: Revert last change.
11346 * pa/t-pa: Revert last change. Delete quadlib.c rule.
11348 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11350 PR rtl-optimization/26087
11351 * rtlanal.c (canonicalize_condition): Do not cross basic block
11354 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
11357 * config/ia64/ia64.c: Include debug.h.
11358 (MAX_ARTIFICIAL_LABEL_BYTES): New.
11359 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
11360 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
11361 (process_epilogue, process_set, process_for_unwind_directive):
11362 Output unwind info only if requested. Add CFA info if requested.
11363 Add new arguments as needed. Adjust callers.
11364 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
11366 (DWARF2_FRAME_INFO): Define to zero.
11367 * config/ia64/unwind-ia64.c: Remove code that compensated for
11368 the CFA offset error fixed above.
11369 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
11370 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
11371 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
11372 -funwind-tables and -fexceptions to enable frame info.
11373 (dwarf2out_frame_init): Define initial CFA even if
11374 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
11375 DWARF2_UNWIND_INFO is nonzero, not just defined.
11376 (dwarf2out_frame_finish): Output non-EH call frame info only
11377 if DWARF2_FRAME_INFO is nonzero.
11378 (convert_cfa_to_loc_list,
11379 compute_frame_pointer_to_cfa_displacement): Define even if
11380 unwind info is not supported.
11381 (gen_subprogram_die): Use the above unconditionally. Remove
11382 legacy alternate code.
11383 * toplev.c (compile_file): Compile in call to
11384 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
11385 (lang_dependent_init): Ditto for dwarf2out_frame_init.
11387 2006-02-04 David Edelsohn <edelsohn@gnu.org>
11388 Jakub Jelinek <jakub@redhat.com>
11390 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
11391 IBM extended float format long double as "g" on powerpc*-linux.
11393 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11396 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
11397 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
11399 2006-02-03 Jason Merrill <jason@redhat.com>
11402 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
11404 PR middle-end/25977
11405 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
11406 on the return slot if it's an NRV.
11408 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
11410 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
11411 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
11412 rewrite_use): Do not handle USE_OUTER.
11413 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
11414 add_iv_outer_candidates, may_replace_final_value,
11415 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
11416 (find_interesting_uses_op): Functionality of
11417 find_interesting_uses_outer_or_nonlin moved here.
11418 (find_interesting_uses_outside): Use find_interesting_uses_op.
11420 2006-02-03 Alan Modra <amodra@bigpond.net.au>
11423 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
11425 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
11426 Ulrich Weigand <uweigand@de.ibm.com>
11429 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
11430 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
11431 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
11432 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
11434 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
11435 (s390_rtx_costs): Use the new fields to calculate rtx costs.
11436 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
11437 Define secondary reloads for TFmode moves.
11438 (constant_modes): Add TFmode.
11439 (NR_C_MODES): Set to 8.
11440 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
11442 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
11443 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
11444 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
11445 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
11446 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
11447 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
11448 (FPR mode macro): Add TFmode.
11449 (DSF mode macro): New.
11450 (<de>, <dee> mode attributes): Removed.
11451 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
11452 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
11453 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
11454 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
11455 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
11456 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
11457 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
11458 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
11459 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
11460 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
11461 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
11462 "*negabs<mode>2", "sqrt<mode>2"):
11463 Changed <de> to <xde>. R constraint replaced by <Rf>.
11464 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
11466 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
11467 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
11468 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
11470 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
11471 "extenddftf2", "extendsftf2"): New expanders.
11472 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
11473 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
11474 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
11475 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
11477 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
11478 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
11479 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
11480 __floatditf): Add a GCC_4.1.0 symbol version tag.
11481 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
11484 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
11487 * config/i386/i386.c (ix86_function_ok_for_sibcall):
11488 Use targetm.binds_local_p instead of TREE_PUBLIC.
11490 2006-02-02 Roger Sayle <roger@eyesopen.com>
11492 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
11493 on INTEGER_TYPEs to indicate that it denotes a character type.
11494 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
11495 signed_char_type_node, unsigned_char_type_node and char_type_node.
11496 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
11497 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
11498 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
11500 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
11501 Daniel Berlin <dberlin@dberlin.org>
11503 * tree-tailcall.c (arg_needs_copy_p): New function.
11504 (eliminate_tail_call): Use arg_needs_copy_p.
11505 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
11506 (add_virtual_phis): New function.
11508 2006-02-02 Jakub Jelinek <jakub@redhat.com>
11510 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
11511 #ignore instead of #scratch for %g7 .register directive.
11513 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
11515 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
11518 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11520 * flow.c (calculate_global_regs_live): Assert that there aren't any
11523 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
11525 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
11526 what its name says.
11527 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
11528 bsi_after_labels iterator.
11529 * tree-if-conv.c (find_phi_replacement_condition,
11530 replace_phi_with_cond_modify_expr): Likewise.
11531 * tree-scalar-evolution.c (scev_const_prop): Likewise.
11532 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
11534 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11536 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
11538 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11541 * tree-cfg.c (move_block_to_fn): Clear out the basic block
11542 array after growing it.
11544 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11546 PR middle-end/24901
11547 * fold-const.c (fold_checksum_tree): Change type of buf.
11549 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
11551 * reload.c (push_secondary_reload): Initialize t_icode.
11553 2006-02-01 Jakub Jelinek <jakub@redhat.com>
11555 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
11556 -msoft-float -mlong-double-128 only issue a warning, but don't
11557 swich to DFmode long double.
11559 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
11561 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
11562 has a constant equivalent, iterate over equivalents for arg0,
11563 calling simplify_relational_operation and if there's a result
11564 cheaper than X, apply fold_rtx and return the result.
11566 2006-02-01 Jan Hubicka <jh@suse.cz>
11568 * opts.c (no_unit_at_a_time_default): New global variable.
11569 (decode_options): Use it.
11570 * opts.h (no_unit_at_a_time_default): Declare.
11572 2006-02-01 Paul Brook <paul@codesourcery.com>
11574 * function.c (assign_parm_setup_reg): Use function argument promotion
11576 * expr.c (expand_expr_real_1): Use function argument promotion rules
11579 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11581 * gcc.c (process_command): Change j to 'unsigned int'.
11583 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11585 PR middle-end/26001
11586 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
11587 Use the corrected index for the character
11588 out of the string constant.
11590 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11592 * mode-switching.c (optimize_mode_switching): Fix size
11593 allocated for bb_info[n_entities].
11595 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11597 * gcc.c (main): Correct type that is allocated for
11598 explicit_link_files.
11600 2006-01-31 Jakub Jelinek <jakub@redhat.com>
11602 * config/s390/s390.c (init_alignment_context): Set
11603 ALIAS_SET_MEMORY_BARRIER on the MEM.
11604 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
11606 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
11608 PR middle-end/25933
11609 * loop-unroll.c (unroll_loop_runtime_iterations): Free
11611 * tree-ssa-live.c (type_var_init): Allocate bitmap after
11614 2006-01-31 Marcin Dalecki <martin@dalecki.de>
11616 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
11617 * regrename.c: Ditto.
11618 * tree-ssa-loop-im.c: Ditto.
11619 * tree-dump.c: Ditto.
11620 * tree-complex.c: Ditto.
11621 * genrecog.c: Ditto.
11622 * tree-ssa-threadupdate.c: Ditto.
11624 * java/class.c: Ditto.
11625 * java/jcf-parse.c: Ditto.
11626 * java/resource.c: Ditto.
11627 * java/except.c: Ditto.
11628 * java/jvspec.c: Ditto.
11629 * java/jcf-write.c: Ditto.
11630 * java/jcf-path.c: Ditto.
11631 * java/gjavah.c: Ditto.
11632 * java/zextract.c: Ditto.
11633 * java/jcf-io.c: Ditto.
11634 * java/jcf.h: Ditto.
11635 * java/buffer.c: Ditto.
11636 * java/lang.c: Ditto.
11637 * java/parse-scan.y: Ditto.
11638 * java/lex.c: Ditto.
11639 * java/lex.h: Ditto.
11640 * cfgloopmanip.c: Ditto.
11641 * postreload-gcse.c: Ditto.
11642 * tree-ssa-loop-manip.c: Ditto.
11643 * postreload.c: Ditto.
11644 * tree-ssa-loop-ch.c: Ditto.
11647 * cppspec.c: Ditto.
11648 * diagnostic.c: Ditto.
11650 * genoutput.c: Ditto.
11652 * cfghooks.c: Ditto.
11653 * cfgloopanal.c: Ditto.
11654 * objc/objc-act.c: Ditto.
11656 * genextract.c: Ditto.
11657 * genautomata.c: Ditto.
11658 * pretty-print.c: Ditto.
11659 * genemit.c: Ditto.
11660 * cgraphunit.c: Ditto.
11662 * df-scan.c: Ditto.
11663 * haifa-sched.c: Ditto.
11664 * dominance.c: Ditto.
11666 * tree-ssa-loop-ivopts.c: Ditto.
11667 * df-core.c: Ditto.
11668 * mode-switching.c: Ditto.
11669 * modulo-sched.c: Ditto.
11671 * ipa-pure-const.c: Ditto.
11673 * fix-header.c: Ditto.
11675 * tree-stdarg.c: Ditto.
11676 * ipa-utils.c: Ditto.
11677 * loop-init.c: Ditto.
11678 * ipa-inline.c: Ditto.
11679 * cfganal.c: Ditto.
11681 * alloc-pool.c: Ditto.
11682 * dwarf2out.c: Ditto.
11684 * genattrtab.c: Ditto.
11685 * tree-ssa-loop-ivcanon.c: Ditto.
11686 * predict.c: Ditto.
11687 * timevar.c: Ditto.
11689 * fortran/gfortranspec.c: Ditto.
11690 * regmove.c: Ditto.
11691 * local-alloc.c: Ditto.
11692 * langhooks.c: Ditto.
11693 * function.c: Ditto.
11694 * tree-vectorizer.c: Ditto.
11696 * ipa-type-escape.c: Ditto.
11698 * tree-if-conv.c: Ditto.
11699 * profile.c: Ditto.
11701 * tree-data-ref.c: Ditto.
11702 * loop-unroll.c: Ditto.
11703 * treelang/treetree.c: Ditto.
11705 * bt-load.c: Ditto.
11706 * ggc-common.c: Ditto.
11708 * coverage.c: Ditto.
11710 * tree-cfgcleanup.c: Ditto.
11711 * tree-ssa-pre.c: Ditto.
11712 * cfgcleanup.c: Ditto.
11713 * loop-invariant.c: Ditto.
11714 * loop-iv.c: Ditto.
11715 * ipa-prop.c: Ditto.
11716 * print-tree.c: Ditto.
11717 * conflict.c: Ditto.
11718 * ggc-page.c: Ditto.
11719 * sched-deps.c: Ditto.
11720 * regclass.c: Ditto.
11721 * tree-object-size.c: Ditto.
11722 * combine.c: Ditto.
11723 * bb-reorder.c: Ditto.
11724 * resource.c: Ditto.
11725 * var-tracking.c: Ditto.
11726 * cfgloop.c: Ditto.
11727 * df-problems.c: Ditto.
11728 * reg-stack.c: Ditto.
11730 * gccspec.c: Ditto.
11731 * sched-rgn.c: Ditto.
11732 * tree-ssa-structalias.c: Ditto.
11733 * tree-ssa-reassoc.c: Ditto.
11734 * config/darwin-c.c: Ditto.
11735 * config/darwin.c: Ditto.
11736 * config/arm/arm.c: Ditto.
11738 * collect2.c: Ditto.
11739 * reload1.c: Ditto.
11741 2006-01-31 Nicolas Pitre <nico@cam.org>
11743 * arm.md (smaxsi3): Make aware of smax_m1.
11746 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
11748 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
11750 2006-01-31 Richard Guenther <rguenther@suse.de>
11752 * doc/invoke.texi (-msselibm): Document.
11753 * target.h (expand_library_builtin): New target hook.
11754 * builtins.c (expand_builtin): Use expand_library_builtin.
11755 (default_expand_library_builtin): New function.
11756 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11757 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11758 (link_gcc_math_spec): Declare.
11759 (static_specs): Add link_gcc_math_spec.
11760 * expr.h (default_expand_library_builtin): Declare.
11761 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11762 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11763 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11764 * config/i386/i386.opt (msselibm): New target option.
11765 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11766 (ix86_init_sse_abi_builtins): New function.
11767 (ix86_expand_library_builtin): Likewise.
11768 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11769 (override_options): Handle error conditions wrt -msselibm.
11770 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11771 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11772 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11775 2006-01-31 Richard Guenther <rguenther@suse.de>
11776 Paolo Bonzini <bonzini@gnu.org>
11778 * doc/install.texi (--disable-libgcc-math): Document.
11780 2006-01-30 Marcin Dalecki <martin@dalecki.de>
11782 * expr.h (expand_normal): new inline function.
11783 * builtins.c: use it, use EXPAND_NORMAL explicitely.
11784 * dojump.c: use it.
11785 * dwarf2out.c: use it.
11788 * expmed.c: use it.
11789 * except.c: use it.
11790 * config/sparc/sparc.c: use it.
11791 * config/i386/i386.c: use it.
11792 * config/rs6000/rs6000.c: use it.
11793 * config/arm/arm.c: use it.
11794 * config/mips/mips.c: use it.
11795 * stmt.c: use it, use EXPAND_NORMAL explicitely.
11797 2006-01-30 Roger Sayle <roger@eyesopen.com>
11799 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
11800 argv to the appropriate type.
11802 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
11804 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
11807 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
11810 * config/s390/s390.c (struct machine_function): New flag
11811 decomposed_literal_pool_addresses_ok_p.
11812 (s390_reorg): Set it before final stage of literal pool transforms.
11813 (s390_decompose_address): Only accept displacements of the form
11814 (minus (label_ref ...) (label_ref ...)) if that flag is set.
11816 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
11818 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
11819 the comparison routine return.
11821 2006-01-30 Michael Matz <matz@suse.de>
11823 * global.c (find_reg): Only evict for global regs.
11824 Take n_refs into account and dump more info.
11826 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
11829 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
11830 (pragma_trap, pragma_nosave_low_regs): Likewise.
11831 (current_function_anonymous_args): Likewise.
11832 (sh_deferred_function_attributes): New variable.
11833 (sh_deferred_function_attributes_tail): Likewise.
11834 (print_operand): For '@', look up trap_exit attribute.
11835 (calc_live_regs): Look up trapa_handler attribute. For trapa
11836 handlers, save/restore fpscr, but don't do any other
11837 interrupt-specific saves.
11838 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
11839 Fix check for partially saved registers to check for SHmedia.
11840 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
11841 (sh_output_function_epilogue): Don't clear any of the removed
11843 (sh_insert_attributes): Don't check pragma_interrupt.
11844 Insert deferred attributes. Check that interrupt attribute is
11845 present for other attributes that require its presence.
11846 (sh_attribute_table): Add new attributes trapa_handler and
11848 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
11849 Don't check for pragma_interrupt. Don't store argument.
11850 * sh.h (pragma_interrupt, sp_switch): Don't declare.
11851 (sh_deferred_function_attributes): Declare.
11852 (sh_deferred_function_attributes_tail): Likewise.
11853 * sh.md (sp_switch_1): Add operand. Change generator caller.
11854 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
11855 (*return_i): Don't use when trap_exit attribute is in effect.
11856 (*return_trapa): New insn pattern.
11857 * sh-c.c: New file.
11858 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
11859 setting c_target_objs and cxx_target_objs.
11860 * t-sh: Add rule for sh-c.o.
11862 2006-01-30 Richard Guenther <rguenther@suse.de>
11865 * gimplify.c (gimplify_target_expr): Handle easy cases
11866 without creating a temporary.
11868 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
11870 * vec.h (safe_grow): Remove duplicated line.
11872 2006-01-29 Diego Novillo <dnovillo@redhat.com>
11875 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
11876 (expand_omp): ... here.
11877 (expand_omp_parallel): Only remove barriers for combined
11878 parallel+workshare constructs.
11880 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
11884 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
11885 * tree.c (build_qualified_type): Chain the new type to the original
11886 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
11887 a POINTER_TYPE or a REFERENCE_TYPE respectively.
11888 (build_pointer_type_for_mode): Only return unqualified types.
11889 (build_reference_type_for_mode): Likewise.
11891 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
11893 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
11894 * Makefile.in (CXX_COMPAT_WARN): Define.
11895 * configure: Regenerate.
11897 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
11900 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
11903 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11905 * toplev.c: Fix thinko.
11907 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11908 Marcin Dalecki <martin@dalecki.de>
11910 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
11911 (push_srcloc): Use XNEW.
11912 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
11914 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
11916 * df-core.c (df_set_blocks): Deleted all variable.
11918 2006-01-28 Ian Lance Taylor <ian@airs.com>
11920 * cgraphunit.c (cgraph_assemble_pending_functions): Call
11921 cgraph_output_pending_asms.
11923 2006-01-28 Zack Weinberg <zackw@panix.com>
11925 * c.opt: Add -W(no-)overlength-strings.
11926 * doc/invoke.texi: Document it.
11927 * c-opts.c (c_common_handle_option): -pedantic implies
11928 -Woverlength-strings, if not explicitly disabled already.
11929 (c_common_post_options): -Woverlength-strings defaults to off, and
11930 is always off for C++.
11931 * c-common.c (fix_string_type): Issue warning about strings longer
11932 than is portable only if warn_overlength_strings. Rearrange code
11933 a little for clarity.
11934 * configure.in: Check for -Wno-overlength-strings as well before
11935 enabling -pedantic in stage 1.
11936 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
11937 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
11939 * genconditions.c (write_header, write_one_condition)
11940 (write_conditions, write_writer): Consolidate very long strings
11941 that were broken up to fit in C89 portable limit. Don't use
11942 printf when fputs will do.
11944 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
11946 * combine.c (simplify_comparison <AND>): Check
11947 TRULY_NOOP_TRUNCATION before start using a subreg.
11949 * config/mips/mips.md (*branch_zero<mode>,
11950 *branch_zero<mode>_inverted, *branch_equality<mode>,
11951 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
11952 Remove mode check from comparisons.
11954 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
11956 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
11958 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11960 * expmed.c (const_mult_add_overflow_p): Remove.
11961 * expr.h: Remove the prototype for const_mult_add_overflow_p.
11963 * recog.c (validate_replace_rtx_subexp): Remove.
11964 * recog.h: Remove the prototype for
11965 validate_replace_rtx_subexp.
11967 * integrate.h: Remove the prototype for
11968 copy_decl_for_inlining.
11969 * rtl.h: Remove the prototype for mark_constant_function.
11970 * tree-vectorizer.h: Remove the prototype for
11971 vect_strip_conversion.
11973 * modulo-sched.c (create_partial_schedule,
11974 free_partial_schedule, reset_partial_schedule): Make them
11977 * hooks.c (hook_bool_rtx_int_false): Remove.
11978 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
11980 2006-01-28 David Edelsohn <edelsohn@gnu.org>
11982 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11983 and -mlong-double-128 are incompatible.
11984 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
11985 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
11986 (TARGET_LIBGCC2_CFLAGS): Define.
11987 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
11988 (TARGET_LIBGCC2_CFLAGS): Same.
11989 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
11991 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11994 * c-typeck.c (build_binary_op): Perform implicit casts of
11995 operands before shortening them.
11997 * cfgloopmanip.c (split_loop_bb): Remove.
11998 * cfgloop.h: Remove the prototype for split_loop_bb.
12000 * cfgloop.c (flow_loop_outside_edge_p): Remove.
12001 * cfgloop.h: Remove the prototype for
12002 flow_loop_outside_edge_p.
12004 * emit-rtl.c (init_virtual_regs): Make it static.
12005 * function.h: Remove the prototype for init_virtual_regs.
12007 * recog.c (peephole2_optimize): Make it static.
12008 * recog.h: Remove the prototype for peephole2_optimize.
12010 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12012 * df-scan.c (df_record_entry_block_defs): Check if
12013 INCOMING_RETURN_ADDR_RTX is defined.
12015 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
12016 Kenneth Zadeck <zadeck@naturalbridge.com>
12018 PR rtl-optimization/24762
12019 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12020 * targhooks.c (hook_void_bitmap): New hook prototype.
12021 * targhoohs.h (hook_void_bitmap): Ditto.
12022 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
12023 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
12024 * target.h (live_on_entry): New function pointer.
12025 * df-scan.c (df_all_hard_regs): Removed.
12026 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
12027 (df_scan_free_internal): Added df->entry_block_defs.
12028 (df_scan_alloc): Ditto.
12029 (df_scan_dump): Ditto.
12030 (df_uses_record): Plumbed flag field properly thru calls.
12031 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
12032 This part fixes PR24762.
12033 (df_bb_refs_record): Added code to make the frame and arg
12034 pointers live in EH blocks.
12035 (df_refs_record): Added call to df_record_entry_block_defs.
12036 (df_record_entry_block_defs): New function.
12037 * df-core.c: Added comments to describe new artifical defs.
12038 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
12039 (entry_block_defs): New field in struct df.
12040 (df_all_hard_regs): Deleted.
12041 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12042 * df-problems.c (df_ru_bb_local_compute_process_def):
12043 Added code to handle artifical defs in the entry to a function.
12044 (df_ru_bb_local_compute): Ditto.
12045 (df_rd_bb_local_compute_process_def): Ditto.
12046 (df_rd_bb_local_compute): Ditto.
12047 (df_lr_bb_local_compute): Ditto.
12048 (df_ur_bb_local_compute): Ditto.
12049 (df_urec_bb_local_compute): Ditto.
12050 (df_chain_create_bb): Ditto.
12051 (df_ur_local_finalize): Removed entry.
12052 (df_urec_init): Ditto.
12053 (df_urec_local_finalize): Ditto.
12054 (df_ri_bb_compute): Added detection of last use of pseudos.
12055 * Makefile.in (df-scan.o): Updated dependencies.
12056 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
12057 * config/mips/mips.c (mips_set_live_on_entry): Added.
12058 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
12060 * dce.c (marked_insn_p): Added code to handle artifical defs.
12062 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12064 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
12066 (_mm_cvtsi128_si64): Likewise.
12067 (_mm_cvtsd_si64): Likewise.
12068 (_mm_cvttsd_si64): Likewise.
12069 (_mm_cvtsi64_sd): Likewise.
12070 (_mm_cvtsi64_si128): Likewise.
12071 * config/i386/mmintrin.h (_m_from_int64): Likewise.
12072 (_mm_cvtsi64_m64): Likewise.
12073 (_m_to_int64): Likewise.
12074 (_mm_cvtm64_si64): Likewise.
12075 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
12076 (_mm_cvttss_si64): Likewise.
12077 (_mm_cvtsi64_ss): Likewise.
12078 (_mm_cvtss_f32): Likewise.
12080 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
12082 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
12083 for pragma redefine_extname.
12085 2006-01-27 Jakub Jelinek <jakub@redhat.com>
12088 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
12089 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
12090 -mno-minimal-toc to previous content.
12091 (bispecs): Remove goal.
12092 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
12093 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
12094 compatibility aliases on powerpc-*-*gnu*.
12095 * config/rs6000/libgcc-ppc-glibc.ver: New file.
12096 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
12097 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
12098 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
12099 (ldblspecs): New goal.
12100 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
12101 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
12103 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
12104 L_sf_to_tf or L_df_to_tf is defined.
12106 2006-01-27 David Edelsohn <edelsohn@gnu.org>
12107 Alan Modra <amodra@bigpond.net.au>
12110 * config/rs6000/linux.h (POWERPC_LINUX): Define.
12111 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
12112 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
12113 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
12114 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
12115 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
12116 (rs6000_override_options): Initialize rs6000_ieeequad.
12117 Initialize TFmode format to ibm_extended_format if not
12119 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
12121 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
12122 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
12123 (function_arg_advance): IBM long double passed in two FPRs, not
12125 (function_arg): IBM long double passed in FPRs.
12126 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
12127 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
12128 Only multireg GPR aligned.
12129 (rs6000_init_libfuncs): Enable IBM long double functions if not
12131 (rs6000_generate_compare): Use IBM long double compare if not
12133 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
12134 (TARGET_IEEEQUAD): Define.
12135 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
12136 not TARGET_IEEEQUAD.
12137 * config/rs6000/rs6000.md: Enable TFmode patterns if
12139 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
12140 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12141 and -mlong-double-128 are incompatible.
12142 * doc/invoke.texi (-mabi): Collect options together. Add
12143 ibmlongdouble and ieeelongdouble.
12145 2006-01-27 Richard Sandiford <richard@codesourcery.com>
12147 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
12149 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
12150 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
12151 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
12152 * rtl.h (rtunion_def): Remove rt_ptr.
12154 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
12155 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
12156 * config/i386/winnt.c (i386_pe_mark_dllexport)
12157 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
12159 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
12161 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
12163 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12167 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
12168 pthread_key_delete. From John David Anglin. gthrw-ify
12169 pthread_getunique_np only if it it's not a macro. Delete
12171 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
12172 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
12173 __gthread_objc_condition_signal, __gthread_key_delete): Add
12174 "__attribute__ ((__unused__))" to unused arguments.
12175 (__gthread_recursive_mutex_init_function): Add missing return.
12176 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
12177 gthr-posix95.h: Use macro-based approach for name redirection
12178 on targets missing weakref.
12180 2006-01-26 Zack Weinberg <zackw@panix.com>
12182 * genconditions.c (write_header): In generated code, #ifdef out
12183 all includes and fake declarations, except includes of bconfig.h
12184 and system.h, unless GCC_VERSION >= 3001. Do not include
12185 gensupport.h in any case.
12186 (write_conditions): Generate a definition of struct c_test. Add
12187 a comment to the generated #endif.
12188 (write_one_condition): Escape backslashes in string too.
12189 (write_writer): Generated code must escape backslashes and quote
12190 marks (but not newlines) in the strings it writes.
12191 * Makefile.in (build/gencondmd.o): Update dependencies.
12193 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12196 * Makefile.in (insn-automata.o): Add header file dependencies.
12197 * genautomata.c: Add includes.
12199 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12202 * Makefile.in (insn-automata.o): Add -Wno-error flag.
12204 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12206 * configure.ac: Expect target tools paths to be passed from the toplevel
12207 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
12209 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
12211 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12214 * c.opt (Wpointer-sign): Init to -1.
12215 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
12216 OPT_pedantic, to 0 otherwise.
12217 * doc/invoke.texi: Update.
12219 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12221 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
12222 constants provided by 80387 instructions in the destination mode.
12224 2006-01-26 Richard Guenther <rguenther@suse.de>
12225 Andrew Pinski <pinskia@physics.uc.edu>
12228 partial PR tree-opt/17064
12229 * tree-ssa-structalias.c (intra_create_variable_infos):
12230 Create heap variables for incoming parameters if
12231 flag_argument_noalias > 1.
12232 (find_what_p_points_to): Look through default defs of
12235 2006-01-26 Jeff Law <law@redhat.com>
12238 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
12239 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
12240 within the VR_RANGE, use the VR_RANGE as the result, not the
12242 (adjust_range_with_scev): Reject ranges from SCEV which are out of
12243 bounds for the type.
12245 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
12247 * tree-ssa-alias.c (maybe_create_global_var): Change
12248 subvar walking to an assertion that we don't have subvar'd variables.
12250 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
12253 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
12254 Use a new variable, inner. PARM_DECLs are always non-weak.
12256 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
12258 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
12259 --disable-checking.
12261 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
12263 * config/mips/mips.md (*clear_upper32): New combiner pattern.
12265 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
12267 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
12268 (smax_insn, smin_insn, smax_0, smin_0): New.
12270 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
12273 * config/cris/cris.c (cris_order_for_addsi3): New function.
12274 * config/cris/cris-protos.h: Prototype it.
12275 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
12276 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
12277 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
12278 (split for "op.S1 [rx=rx+i],ry (swapped)")
12279 (split for "op(s|u).S1 [rx=rx+i],ry")
12280 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
12281 Apply cris_order_for_addsi3 when generating addsi3 insns.
12283 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12285 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
12286 (TREE_BLOCK): Add call to EXPR_CHECK.
12288 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12291 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
12292 * tree-pretty-print.c (dump_omp_clause): Extract from ...
12293 (dump_omp_clauses): ... here.
12294 (dump_generic_node): Handle OMP_CLAUSE.
12295 * tree.c (omp_clause_num_ops): New.
12296 (omp_clause_code_name): New.
12297 (tree_code_size): Handle OMP_CLAUSE.
12298 (tree_size): Likewise.
12299 (make_node): Document handling of OMP_CLAUSE.
12300 (tree_node_structure): Handle OMP_CLAUSE.
12301 (omp_clause_check_failed): New.
12302 (omp_clause_range_check_failed): New.
12303 (omp_clause_operand_check_failed): New.
12304 (build_omp_clause): New.
12305 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
12306 * tree.h (enum omp_clause_code): Declare.
12307 (OMP_CLAUSE_SUBCODE_CHECK): Define.
12308 (OMP_CLAUSE_RANGE_CHECK): Define.
12309 (OMP_CLAUSE_ELT_CHECK): Define.
12310 (omp_clause_check_failed): Declare.
12311 (omp_clause_operand_check_failed): Declare.
12312 (omp_clause_range_check_failed): Declare.
12313 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
12314 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
12315 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
12316 (OMP_CLAUSE_LASTPRIVATE): Likewise.
12317 (OMP_CLAUSE_IF_EXPR): Likewise.
12318 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
12319 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
12320 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
12321 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
12322 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
12323 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
12324 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
12325 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
12326 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
12327 (OMP_CLAUSE_CODE): Define.
12328 (OMP_CLAUSE_SET_CODE): Define.
12329 (OMP_CLAUSE_CODE): Define.
12330 (OMP_CLAUSE_OPERAND): Define.
12331 (struct tree_omp_clause): Declare.
12332 (union tree_node): Add field 'omp_clause'.
12333 * treestruct.def (TS_OMP_CLAUSE): Define.
12334 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
12335 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
12336 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
12337 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
12338 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
12339 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
12340 (OMP_CLAUSE): Define.
12341 * print-tree.c (print_node): Handle OMP_CLAUSE.
12342 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
12343 * c-typeck.c: Likewise.
12344 * gimplify.c: Likewise.
12345 * c-omp.c: Likewise.
12346 * tree-nested.c: Likewise.
12347 * tree-inline.c: Likewise.
12348 * c-parser.c: Likewise.
12349 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
12352 2006-01-25 Roger Sayle <roger@eyesopen.com>
12354 PR rtl-optimization/25703
12355 * combine.c (try_combine): Handle zero_extract and strict_low_part
12356 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
12358 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
12360 * global.c: Fix comment typos.
12362 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
12365 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
12366 Use output_addr_const instead of assemble_name.
12368 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
12370 * Makefile.in (sched-vis.o): Update dependencies.
12371 * haifa-sched.c (sched_finish): Clear current_sched_info.
12372 * cfg.c (dump_bb_info): New, split from dump_flow_info.
12373 (dump_flow_info): Call it.
12374 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
12376 * basic-block.h (dump_bb_info): Declare.
12377 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
12378 option, and apply options only for dump files whose TDF_RTL,
12379 TDF_TREE, or TDF_IPA bits match.
12380 * rtl.h: Declare new functions exported from sched-vis.c.
12381 * sched-vis.c: Enable also if scheduling is not used.
12382 (print_value): Print the mode of registers if not inside scheduling.
12383 (print_insn): Make it work outside the scheduler. Beautify the output
12385 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
12387 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12389 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
12390 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
12391 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
12392 depending on the value of CONSTANT_POOL_ADDRESS_P.
12393 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
12395 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
12396 rather than SYMBOL_REF_DECL.
12397 (rtx_constant_pool): Remove const_rtx_sym_htab.
12398 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
12399 (init_varasm_status): Don't initialize const_rtx_sym_htab.
12400 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
12401 Remove handling of const_rtx_sym_htab.
12402 (find_pool_constant): Delete.
12403 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
12404 rather than find_pool_constant.
12405 (get_pool_constant_for_function): Delete.
12406 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
12407 find_pool_constant.
12408 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
12409 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
12410 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
12411 (SYMBOL_REF_CONSTANT): New macro.
12412 (get_pool_constant_for_function): Delete.
12413 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
12414 rather than SYMBOL_REF_DECL.
12415 (i386_pe_mark_dllimport): Likewise.
12416 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
12417 rather than SYMBOL_REF_DECL.
12418 * config/darwin.c (machopic_indirect_data_reference): Likewise.
12419 (machopic_indirect_call_target): Likewise.
12421 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
12423 * flow.c (delete_noop_moves): Add missing EOL to dump message.
12425 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12427 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
12429 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
12431 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
12433 2006-01-24 David Daney <ddaney@avtrex.com>
12436 * configure.ac (enable_tls): New enable option.
12437 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
12438 * configure: Regenerate.
12439 * doc/install.texi (--enable-tls): Document new option.
12440 (--disable-tls): Ditto.
12442 2006-01-24 Richard Henderson <rth@redehat.com>
12444 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
12445 * alias.c (true_dependence): Respect it.
12446 (canon_true_dependence, write_dependence_p): Likewise.
12447 * builtins.c (get_builtin_sync_mem): Set it.
12449 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
12451 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
12454 2006-01-24 DJ Delorie <dj@redhat.com>
12456 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
12457 for storing constants in single-bit bitfields.
12459 2006-01-25 Ben Elliston <bje@au.ibm.com>
12461 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
12463 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
12466 * tree-ssa-pre.c (phi_translate): Return NULL
12467 for AGGREGATE_TYPE's.
12469 2006-01-24 Zack Weinberg <zackw@panix.com>
12471 * genautomata.c (process_state_for_insn_equiv_partition):
12472 Use xcalloc for insn_arcs_array.
12473 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
12474 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
12476 2006-01-24 Richard Henderson <rth@redhat.com>
12478 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
12479 update all callers.
12481 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
12483 PR rtl-optimization/25890
12484 PR rtl-optimization/25905
12485 * combine.c (expand_compound_operation, expand_field_assignment):
12486 Fail if the bitfield's final position is out of bounds.
12488 2006-01-24 Ian Lance Taylor <ian@airs.com>
12490 PR middle-end/25930
12491 * cgraphunit.c (cgraph_output_in_order): Don't clear
12492 cgraph_asm_nodes until after asm strings have been output.
12494 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
12496 * fix-header.c (read_scan_file): Add new parameter imultilib when
12497 calling register_include_chains.
12499 2006-01-23 Diego Novillo <dnovillo@redhat.com>
12501 * omp-low.c: Update documentation.
12503 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12504 Daniel Berlin <dberlin@dberlin.org>
12508 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
12509 return from the function.
12511 2006-01-22 Zack Weinberg <zackw@panix.com>
12513 * rtl.def (match_code): Add second argument.
12514 * genpreds.c (write_extract_subexp): New function.
12515 (write_match_code): Add path argument. Use write_extract_subexp.
12516 (write_predicate_expr): Pass path to write_match_code.
12517 (mark_mode_tests): MATCH_CODE applied to a subexpression does
12518 not perform a mode test.
12519 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
12520 a subexpression does not constrain the top-level code set.
12521 * read-rtl.c (read_rtx_variadic): New function.
12522 (read_rtx_1): Use it; allow AND and IOR to be variadic.
12523 * doc/md.texi: Document new notation.
12524 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
12525 (cmpsi_operand): ... here, using new notation.
12527 2006-01-22 Zack Weinberg <zackw@panix.com>
12529 * varray.c: Remove GENERATOR_FILE #ifdefs.
12531 2006-01-22 Zack Weinberg <zackw@panix.com>
12533 * genautomata.c (output_reserved_units_table): Emit nothing if
12534 description->query_units_num is zero. Remove extra blank line.
12535 (output_cpu_unit_reservation_p): Short circuit
12536 if description->query_units_num is zero.
12538 2006-01-22 Zack Weinberg <zackw@panix.com>
12540 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
12541 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
12542 nor any of the random handful of variables that used to be necessary
12543 when this program was linked with rtlanal.o. Prune set of forward
12544 function declarations.
12545 (struct attr_desc): Remove static_p field.
12546 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
12547 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
12548 (attr_string): Do not read the character one past the length of
12550 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
12551 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
12552 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
12553 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
12554 (make_automaton_attrs): New.
12555 (main): Do not call into genautomata. Call local gen_bypass
12556 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
12557 Remove special case for insn_alts.
12558 * genautomata.c: Include gensupport.h; not genattrtab.h nor
12559 varray.h (leftover from previous change). Prune set of forward
12560 function declarations. Remove state_alts fields from all
12561 structures. Remove state_alts_table from struct automaton.
12562 Make everything except main static. Do not maintain num_dfa_decls.
12563 Do not maintain state_alts fields of various structures.
12564 (process_decls): Don't validate condexp for dm_insn_reserv decls.
12565 (add_arc): Remove state_alts argument. All callers updated.
12566 (output_reserved_units_table): Emit #ifdef here...
12567 (output_tables): ...not here. Don't generate state_alts tables.
12568 (expand_automata): Don't generate attributes.
12569 (write_automata): Don't generate state_alts functions.
12570 (main): New function.
12571 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
12572 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
12573 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
12574 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
12575 (BYPASS_P_FUNC_NAME, output_state_alts_table)
12576 (output_automata_list_state_alts_code, output_internal_state_alts_func)
12577 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
12578 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
12580 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
12581 * genattrtab.h: Delete file.
12582 * Makefile.in (OBJS-common): Add insn-automata.o.
12583 (insn-automata.o): New rule.
12584 (simple_generated_c): Add insn-automata.c.
12585 (build/genattrtab.o, build/genautomata.o): Update dependencies.
12586 (genprogmd): Add automata.
12587 (build/genattrtab): Needs no extra objects nor libraries.
12588 (build/genautomata): Needs build/vec.o and -lm.
12590 2006-01-22 Zack Weinberg <zackw@panix.com>
12592 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
12593 (output_dfa_max_issue_rate, locked_states_num): Delete.
12594 (struct automaton): Add locked_states field.
12595 (output_dead_lock_vect): Save number of locked states in
12596 automaton->locked_states. If it is zero, don't print anything.
12597 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
12598 (output_internal_dead_lock_func): Only test the dead_lock_vect
12599 for automata that have locked states.
12600 (output_statistics): Always print the number of locked states for
12601 each automaton. Calculate total number of locked states here.
12602 (write_automata): Don't call output_dfa_max_issue_rate.
12603 * genattrtab.c: Define length_unit_log as a const variable.
12604 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
12605 max_insn_queue_index const.
12606 * final.c (length_unit_log): Declare const.
12607 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
12609 2006-01-22 Zack Weinberg <zackw@panix.com>
12611 * genautomata.c: Include vec.h, not varray.h.
12612 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
12613 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
12614 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
12615 VEC_* macros operating on appropriately typed vectors, or to
12616 malloced arrays when the size is known in advance. Const-ify
12617 many char* variables and function arguments. No functional changes.
12618 * Makefile.in (build/varray.o): Delete rule.
12619 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
12620 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
12622 2006-01-22 Zack Weinberg <zackw@panix.com>
12624 * gensupport.c: Define get_insn_name and record_insn_name here.
12625 (read_md_rtx): Call record_insn_name as appropriate.
12626 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
12627 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
12628 * genpreds.c, genrecog.c: Don't define get_insn_name nor
12630 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
12631 (BUILD_VARRAY): Delete.
12632 (genprognormal): Rename genprogmd. Fold in all programs from
12633 genprognoprint; also attrtab.
12634 (build/genattrtab): Just mention genautomata.o and varray.o.
12635 Reorganize a bit, add comments to make the categories clearer.
12637 2006-01-22 Zack Weinberg <zackw@panix.com>
12639 * genconditions.c (condition_table, add_condition): Delete.
12640 (write_conditions): Don't emit n_insn_conditions nor
12641 insn_elision_unavailable. Issue the gcc version #ifdef here,
12642 inside the table, with no #else clause ...
12643 (write_header): ...not here.
12644 (write_writer): New function.
12645 (main): Don't initialize condition_table. Use add_c_test.
12647 * gensupport.c (init_md_reader_args_cb): Handle multiple input
12648 files on the command line.
12649 (maybe_eval_c_test): Don't check insn_elision_unavailable.
12650 Return -1 if there is no entry in the table, don't abort.
12651 (add_c_test, traverse_c_tests): New functions.
12652 * gensupport.h (insn_elision_unavailable, insn_conditions)
12653 (n_insn_conditions): Delete declarations.
12654 (add_c_test, traverse_c_tests): Declare.
12655 * read-rtl.c: Include gensupport.h.
12656 (read_conditions): New function.
12657 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
12658 (read_rtx_1): If we get EOF when we were looking for an initial
12659 open paren, return 0. Call read_conditions when appropriate.
12660 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
12661 dummy-conditions.o. Eliminate references to insn-conditions.o,
12662 or change them to build/gencondmd.o, as appropriate. Remove
12663 insn-constants.h from $(simple_generated_h) and insn-conditions.c
12664 from $(simple_generated_c). For all files remaining in those
12665 two lists, add insn-conditions.md to the generator command line.
12666 Give insn-constants.h/s-constants their own rules. Add rules
12667 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
12668 (build/read-rtl.o): Depend on gensupport.h.
12669 (genprognormal): Include preds.
12670 (genprogearly): Rename genprognoprint; only difference is now that
12671 they don't link with $(BUILD_PRINT).
12672 * dummy-conditions.c: Delete.
12674 2006-01-22 Zack Weinberg <zackw@panix.com>
12676 * genextract.c: Don't include insn-config.h. Do include vec.h.
12677 Declare vectors of int, char, and locstr.
12678 (locstr): New typedef.
12679 (struct extraction): Make all array fields into bare pointers.
12680 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
12681 (insn_code_number): Delete.
12682 (accum_extract): New struct.
12683 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
12684 (gen_insn): Take insn_code_number as an argument. Use an
12685 accum_extract structure instead of loading data directly into
12686 a struct extraction, and having to know how big it might get.
12687 (walk_rtx): Operate entirely on an accum_extract structure.
12688 (print_path): Avoid unnecessary use of printf.
12689 (print_header): New function, split out of main. Distinguish
12690 more carefully between an unrecognizable insn and an insn that
12691 has the code number of a define_expand.
12692 (main): Pass insn_code_number to gen_insn. Call print_header
12693 only after parsing. Avoid unnecessary use of printf.
12694 * Makefile.in (build/vec.o): New rule.
12695 (build/genextract): Depend on build/vec.o.
12696 (build/genextract.o): Don't depend on insn-config.h.
12698 2006-01-22 Zack Weinberg <zackw@panix.com>
12700 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
12701 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
12702 practical. Eliminate per-generator-program link rules.
12704 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12706 PR middle-end/24437
12707 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12708 with a call expr to ...
12709 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12711 2006-01-23 Richard Guenther <rguenther@suse.de>
12713 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
12714 before make_edge with conditional EDGE_TRUE_VALUE.
12716 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
12717 Jan Hubicka <jh@suse.cz>
12718 Richard Guenther <rguenther@suse.de>
12720 PR rtl-optimization/25654
12721 * cfgexpand.c (aggregate_contains_union_type): New function.
12722 (add_alias_set_conflicts): Call it. Make sure to add conflicts
12723 for structure variables that contain a union type.
12725 2006-01-23 Richard Sandiford <richard@codesourcery.com>
12727 * gengtype.c (new_structure): Return the structure.
12728 (create_option): Add an extra "next" argument.
12729 (create_field): New function.
12730 (adjust_field_rtx_def): Use create_option and create_field.
12731 Remove a now-unnecessary call to find_structure.
12732 (adjust_field_tree_def): Likewise.
12733 (note_yacc_type): Remove an unnecessary call to find_structure.
12734 * gengtype.h (new_structure): Return the structure.
12735 (create_option): Add an extra argument.
12736 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
12737 (option): Adjust calls to create_option.
12739 2006-01-22 David Edelsohn <edelsohn@gnu.org>
12741 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
12743 2006-01-22 Paul Brook <paul@codesourcery.com>
12744 Peter Barada <peter@the-baradas.com>
12746 * config/m68k/m68k.md: Add Coldfire FPU support.
12747 Define FP mode macro and associated attributes.
12748 Use it for float mode patterns.
12749 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
12750 (LIBCALL_VALUE): Use m68k_libcall_value.
12751 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
12752 (m68k_function_value): Ditto.
12753 (emit_move_sequence): Ditto.
12754 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
12755 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
12756 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
12757 (MULTILIB_EXCEPTIONS): Ditto.
12758 * config/m68k/m68k.opt: Add mcfv4e.
12759 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
12760 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
12761 (m68k_output_function_prologue): Save ColdFire FPU registers.
12762 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
12763 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
12764 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
12765 ColdFire FPU registers.
12766 (m68k_libcall_value, m68k_function_value): New functions.
12767 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
12768 (LIBCALL_VALUE): Use m68k_libcall_value.
12769 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
12770 (MASK_COLDFIRE): Add MASK_CFV4E.
12771 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
12772 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
12773 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
12774 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
12775 (GO_IF_LEGITIMATE_ADDRESS): Use it.
12776 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
12777 * doc/invoke.tex: Document -mcfv4e on m68k.
12779 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
12781 * doc/contribute.texi: Change CVS to SVN and update the corresponding
12784 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
12787 * c-opts.c (c_common_handle_option): Don't include
12788 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
12789 * doc/invoke.texi (C++ Dialect Options): Document that
12790 -Wnon-virtual-dtor is no longer included in -Wall.
12792 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
12794 * gcov.c (print_version), gcov-dump.c (print_version),
12795 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
12798 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
12800 * df-scan.c (problem_SCAN): Added NULL reset function.
12801 (df_scan_reset_blocks): Added code to call reset block function
12802 (df_bb_refs_delete) Fixed comment.
12803 (df_insn_refs_delete): Made tolerant of deleting non existent info
12804 for dataflow problems that need to be reset.
12805 * df-core.c (df_set_blocks): Ditto.
12806 * df.h (struct df_problem): Added reset_fun.
12807 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
12808 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
12809 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
12810 functions to clear out all references to def-use or use-def chains.
12812 2006-01-21 Ben Elliston <bje@au.ibm.com>
12814 * varasm.c (assemble_real): Initialise data array.
12816 2006-01-20 Paul Brook <paul@codesourcery.com>
12818 Merge from csl-arm-branch.
12819 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
12820 * config/arm/arm.md (movdi): Force operands[1] to a register
12821 if we have a non-register source.
12822 (*arm_movdi, *movdf_soft_insn): Require that one of the
12823 operands be a register.
12824 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
12825 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
12827 2006-01-20 DJ Delorie <dj@redhat.com>
12829 * varasm.c (initializer_constant_valid_p): Allow pointers
12830 initialized from integer constants of lesser precision.
12831 (output_constant): Allow non-int-sized pointer modes to be
12832 initialized from integer constants.
12834 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
12837 * cppdefault.h (struct default_include): Add multilib flag.
12838 * cppdefault.c (cpp_include_defaults): Set it.
12839 * c.opt (-imultilib): New option.
12840 * c-opts.c (imultilib): New.
12841 (c_common_handle_option): Handle -imultilib.
12842 (c_common_post_options): Likewise.
12843 * c-incpath.c (add_standard_paths, register_include_chains):
12845 * c-incpath.h (register_include_chains): Add extra parameter.
12846 * gcc.c (do_spec_1): Generate -imultilib option.
12847 (The Specs Language): Update %I description.
12848 (process_command): Update copyright notice.
12849 * doc/cppopts.texi (-imultilib): Document.
12850 * doc/invoke.texi (-imultilib): Include in option summary.
12851 (%I): Update specs documentation.
12853 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12855 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
12857 2006-01-20 Richard Sandiford <richard@codesourcery.com>
12859 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
12862 2006-01-20 Richard Guenther <rguenther@suse.de>
12863 Steven Bosscher <stevenb.gcc@gmail.com>
12865 PR rtl-optimization/24626
12866 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
12867 EDGE_TRUE_VALUE if in RTL mode.
12870 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
12871 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
12873 2006-01-20 Dirk Mueller <dmueller@suse.com>
12876 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
12877 instead of a special NOP marker.
12878 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
12879 NOP marker handling.
12880 * c-common.h (empty_body_warning): Add forward declaration.
12881 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
12882 Now uses IS_EMPTY_STMT() instead of special NOP markers.
12884 2006-01-20 Paul Brook <paul@codesourcery.com>
12886 * Makefile.in (lang_checks): Keep going if mkdir fails.
12888 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12890 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
12891 be able to clean out basic block when not necessary.
12892 (df_scan_free): Fixed to properly delete information if df is
12893 unused before calling df_finish.
12894 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
12895 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
12897 (df_bb_refs_delete): New function.
12898 (df_refs_delete): Moved per block code to df_bb_refs_delete.
12899 * df-core.c (df_set_blocks): Added code to properly clean out
12900 unused blocks if they are not part of the blocks to consider.
12901 Added additional null check.
12902 (df_compact_blocks): Added basic block parameter to free_bb_fun to
12903 be able to clean out basic block when not necessary
12904 * df.h (df_free_bb_function): Ditto.
12905 (df_bb_refs_delete): New function.
12906 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
12907 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
12908 basic block parameter to be able to clean out basic block when not
12910 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
12911 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
12912 Fixed to properly delete information if df is unused before
12915 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12917 PR rtl-optimization/25799
12918 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
12919 Corrected confluence operator to remove bits from op2 before oring
12920 with op1 rather than removing bits from op1.
12921 (df_ru_transfer_function): Corrected test on wrong bitmap which
12922 caused infinite loop. Both of these problems were introduced in
12923 the dataflow rewrite.
12925 2006-01-19 DJ Delorie <dj@redhat.com>
12927 * reload1.c (find_reload_regs): Note the details of reload
12928 failures in the dump file.
12929 (spill_failure): Likewise.
12931 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12933 * loop-iv.c: Include df.h and hashtab.h.
12934 (enum iv_grd_result): New enum.
12935 (DF_REF_IV, DF_REF_IV_SET): New macros.
12936 (struct biv_entry): New.
12937 (df, bivs): New global variables.
12938 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
12939 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
12941 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
12942 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
12943 analyzed_for_bivness_p, record_biv): New functions.
12944 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
12945 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
12946 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
12948 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
12950 (iv_number_of_iterations): Use new interface to iv analysis.
12951 * loop-unroll.c: Do not include varray.h.
12952 (analyze_iv_to_split_insn): Use new interface to iv
12954 * loop-unswitch.c (may_unswitch_on): Ditto.
12955 * df.c (df_bitmaps_free): Only work for bbs for that structures are
12957 (df_bb_modify): Realloc tables to the new index.
12958 (df_find_use): New function.
12959 * df.h (df_find_use): Declare.
12960 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
12962 * cfgloop.h (struct rtx_iv): Remove analysed field.
12963 (iv_get_reaching_def): Removed.
12964 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
12965 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
12966 (loop-iv.o): Add df.h and hashtab.h dependency.
12967 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
12969 2006-01-20 Alan Modra <amodra@bigpond.net.au>
12972 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
12974 (__floatundisf, __floatundidf): Likewise.
12975 * libgcc2.h (IS_IBM_EXTENDED): Define.
12977 2006-01-19 DJ Delorie <dj@redhat.com>
12979 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
12981 2006-01-19 Paul Brook <paul@codesourcery.com>
12983 * config/arm/arm.c (arm_compute_func_type): Treat all functions
12984 as nothrow when unwinding tables are disabled.
12986 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12989 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
12990 of bit-field" when in system header.
12992 2006-01-19 DJ Delorie <dj@redhat.com>
12994 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
12995 the 16 bit shift limit of the m16c.
12997 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
13000 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
13001 * config/i386/i386.c (output_set_got): Output the label if we have one
13002 for the TARGET_DEEP_BRANCH_PREDICTION case.
13004 2006-01-19 Jan Hubicka <jh@suse.cz>
13005 H.J. Lu <hongjiu.lu@intel.com>
13006 Evandro Menezes <evandro.menezes@amd.com>
13008 * invoke.texi (generic): Document
13010 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
13011 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
13012 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
13013 (x86_use_incdec, x86_pad_returns): New variables
13014 (TARGET_CPU_DEFAULT_generic): New constant
13015 (TARGET_CPU_DEFAULT_NAMES): Add generic.
13016 (enum processor_type): Add generic32 and generic64.
13017 * i386.md (cpu attribute): Add generic32/generic64
13018 (movhi splitter): Behave sanely when both partial_reg_dependency and
13019 partial_reg_stall are set.
13020 (K8 splitters): Enable for generic as well.
13021 * predicates.md (incdec_operand): Use TARGET_INCDEC
13022 (aligned_operand): Avoid memory mismatch stalls.
13023 * athlon.md: Enable for generic64, new patterns for 128bit moves.
13024 * ppro.md: Enable for generic32
13025 * i386.c (generic64_cost, generic32_cost): New.
13026 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
13027 (x86_use_leave): Enable for generic64. (x86_use_sahf,
13028 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
13029 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
13030 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
13031 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
13032 x86_partial_reg_dependency, x86_memory_mismatch_stall,
13033 x86_accumulate_outgoing_args, x86_prologue_using_move,
13034 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
13035 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
13036 Enable for generic.
13037 (x86_use_incdec, x86_pad_returns): New.
13038 (override_options): Add generic32 and generic64, translate "generic"
13039 to generic32/generic64 and "i686" to "generic32", refuse
13040 "generic32"/"generic64" as arch target.
13041 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
13042 (ix86_reorg): Honor PAD_RETURNS.
13044 2006-01-19 Diego Novillo <dnovillo@redhat.com>
13046 * tree-pretty-print.c (dump_generic_node): Handle
13047 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
13048 * cgraph.c (cgraph_expand_queue): Rename from
13049 cgraph_analyze_queue. Update all users.
13050 * cgraphunit.c (cgraph_assemble_pending_functions): Process
13051 cgraph_expand_queue.
13052 (cgraph_expand_all_functions): Likewise.
13053 (cgraph_finalize_pending_functions): Remove. Update callers.
13055 * tree.h (OMP_DIRECTIVE_P): Define.
13056 (OMP_PARALLEL_FN): Define.
13057 (OMP_PARALLEL_DATA_ARG): Define.
13058 (OMP_SECTIONS_SECTIONS): Define.
13059 * tree-pass.h (pass_expand_omp): Declare.
13060 * omp-low.c (struct omp_region): Declare.
13061 (struct omp_context): Remove fields 'parallel_type',
13062 'parallel_start_ix' and 'parallel_start_additional_args'.
13064 (struct omp_for_data): Rename from struct expand_omp_for_data.
13065 (omp_regions): New static variable.
13066 (root_omp_region): New static variable.
13067 (find_omp_clause): Make static.
13068 (is_in_combined_parallel_ctx): Remove.
13069 (is_combined_parallel): New.
13070 (extract_omp_for_data): Move earlier in the file.
13071 (workshare_safe_to_combine_p): New.
13072 (get_ws_args_for): New.
13073 (determine_parallel_type): Move earlier in the file.
13074 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
13076 (omp_copy_decl): Likewise.
13077 (create_omp_child_function): Likewise.
13078 (lookup_omp_region): New.
13079 (dump_omp_region): New.
13080 (debug_omp_region): New.
13081 (debug_all_omp_regions): New.
13082 (new_omp_region): New.
13083 (scan_omp_parallel): If parallel_nesting_level > 1, the
13084 directive is nested within another parallel directive.
13085 Set OMP_PARALLEL_FN.
13086 (scan_omp_for): Do not try to handle combined parallel+for
13088 Remove FIXME comment.
13089 (scan_omp_nested): Remove.
13090 (scan_omp_1): Do not call scan_omp_nested when
13091 parallel_nesting_level is > 1.
13092 Do not change the DECL_CONTEXT of local variables found.
13093 (lookup_decl_in_outer_ctx): New.
13094 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
13095 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
13096 (lower_reduction_clauses): Rename from expand_reduction_clauses.
13097 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
13098 If CTX is nested, lookup VAR in the outer context when
13099 building copy assignment.
13100 (lower_send_clauses): Rename from expand_send_clauses.
13101 If CTX is nested, lookup VAR in the outer context when
13102 building copy assignments.
13103 (lower_send_shared_vars): Rename from expand_send_shared_vars.
13104 If CTX is nested, lookup VAR in the outer context when
13105 building copy assignments.
13106 (expand_parallel_call): Rename from build_parallel_call.
13107 Handle combined parallel+workshare cases.
13108 Re-implement to emit code into the CFG.
13110 (expand_omp_parallel): Re-implement to emit code into the CFG.
13111 Call move_sese_region_to_fn to outline the sub-graph
13112 containing the parallel region.
13113 (expand_omp_for_1): Remove.
13114 (expand_omp_for_generic): Re-implement to emit code into the
13116 (expand_omp_for_static_nochunk): Likewise.
13117 (expand_omp_for_static_chunk): Likewise.
13118 (expand_omp_for): Likewise.
13119 (expand_omp_sections): Likewise.
13120 (remove_exit_barriers): New.
13121 (expand_omp_synch): New.
13123 (build_omp_regions_1): New.
13124 (build_omp_regions): New.
13125 (execute_expand_omp): New.
13126 (gate_expand_omp): New.
13127 (pass_expand_omp): Define.
13128 (lower_omp_sections): Rename from expand_omp_sections.
13129 Set OMP_SECTIONS_SECTIONS.
13130 (lower_omp_single_simple): Rename from expand_omp_single_simple.
13131 (lower_omp_single_copy): Rename from expand_omp_single_copy.
13132 (lower_omp_single): Rename from expand_omp_simple.
13133 (lower_omp_master): Rename from expand_omp_master.
13134 (lower_omp_ordered): Rename from expand_omp_ordered.
13135 (lower_omp_critical): Rename from expand_omp_critical.
13136 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
13137 (lower_omp_for): Re-implement.
13138 (lower_omp_parallel): Re-implement.
13139 (lower_regimplify): Rename from expand_regimplify.
13140 (lower_omp_1): Rename from expand_omp_1.
13141 If there are syntax errors in the program, replace every
13142 OpenMP directive with NOP.
13143 Call lower_omp_* instead of expand_omp_*.
13144 (lower_omp): Rename from expand_omp.
13146 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
13147 * tree-gimple.h (enum omp_parallel_type): Remove.
13148 (gimple_boolify): Declare extern.
13149 (find_omp_clause, determine_parallel_type): Remove.
13151 * gimple-low.c (lower_omp_directive): New.
13152 (lower_stmt): Call it.
13153 (record_vars_into): Move from ...
13154 (record_vars): ... here.
13155 Call record_vars_into with current_function_decl.
13157 * gimplify.c (struct gimplify_ctx): Remove fields
13158 combined_pre_p and combined_ctxp. Update users.
13159 (get_formal_tmp_var): Add documentation.
13160 (gimple_boolify): Make extern.
13161 (gimplify_expr_in_ctx): Remove. Update callers.
13162 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
13163 will always be a BIND_EXPR.
13164 (gimplify_expr): Handle OMP_RETURN_EXPR.
13165 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
13166 (OMP_PARALLEL): Add 3 operands.
13167 (OMP_SECTIONS): Add 1 operand.
13168 (OMP_RETURN_EXPR): Define.
13170 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
13171 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
13172 * tree-iterator.c (alloc_stmt_list): Assert that we are not
13173 creating a circular free list.
13174 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
13176 * tree-flow.h (move_sese_region_to_fn): Declare.
13177 (record_vars_into): Declare.
13178 * tree-cfg.c (make_omp_sections_edges): New.
13179 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
13180 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
13181 OMP_SECTIONS and OMP_SECTION.
13182 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
13183 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
13184 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
13185 (gather_blocks_in_sese_region): New.
13186 (struct move_stmt_d): Declare.
13187 (move_stmt_r): New.
13188 (move_block_to_fn): New.
13189 (move_sese_region_to_fn): New.
13191 * passes.c (init_optimization_passes): Schedule
13192 pass_expand_omp after pass_init_datastructures.
13194 * tree-ssa-operands.c (get_expr_operands): Handle
13195 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
13196 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
13198 2006-01-19 Jeff Law <law@redhat.com>
13200 * tree-vrp.c (extract_range_from_assert): Refine the result range
13201 if the variable referenced by the ASSERT_EXPR has a range and
13202 either the tentative result range or the previous range is a
13205 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13207 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
13209 2006-01-19 Jan Hubicka <jh@suse.cz>
13211 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
13213 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
13215 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
13216 (expand_compound_operation, expand_field_assignment): Fail if the
13217 bit lengths of an extract operation are out of range.
13218 (make_extraction): Compute wanted_inner_mode based on the position
13219 and length of the extraction. Make it extraction_mode for non-constant
13220 positions, and do not modify offset in that case. When generating a
13221 new MEM, use a mode that can hold the extraction while keeping correct
13222 alignment. Remove code that supported MEMs wrapped by USEs.
13223 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
13225 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
13227 * config/s390/s390.md ("Y", "y"): New mode attribute.
13228 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
13229 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
13230 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
13231 "*addsi3_imm_cc", "*addsi3_carry1_cc",
13232 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
13233 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
13234 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
13235 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
13236 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
13237 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
13238 "addsi3", "subsi3"): Insn patterns removed.
13239 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
13240 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
13241 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
13242 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
13243 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
13244 "*sub<mode>3_cconly2"): New insn patterns.
13245 ("addsi3", "subsi3"): New expanders.
13247 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
13249 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
13250 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
13251 existing STMT_VINFO_VECTYPE if available.
13252 (vect_mark_relevant): Add special handling for stmts that are
13253 marked as STMT_VINFO_IN_PATTERN_P.
13254 (vect_analyze_loop): Call vect_pattern_recog.
13255 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
13256 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
13258 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
13259 (vect_recog_func_ptr): New function-pointer type.
13260 * tree-vect-patterns.c: New file.
13261 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
13262 (vect_recog_dot_prod_pattern, vect_pattern_recog):
13263 (vect_pattern_recog_1): New functions.
13264 (vect_pattern_recog_funcs): New array of function pointers.
13266 * tree-vectorizer.h (ternary_op): New enum value.
13267 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
13268 declaration. Revised documentation. Removed redundant dump prints.
13269 Removed redundant argument. Added support for reduction patterns.
13270 (vectorizable_reduction): Added support for reduction patterns.
13271 (vect_transform_stmt): Added support for patterns.
13273 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
13274 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
13275 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
13276 (expand_widen_pattern_expr): New function.
13277 (init_optabs): Initialize new optabs udot_prod_optab,
13279 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
13280 (sdot_prod_optab, udot_prod_optab): Define new optabs.
13281 (expand_widen_pattern_expr): New function declaration.
13282 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
13284 * tree-inline.c (estimate_num_insns_1): Added cases for new
13285 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13286 * tree-pretty-print.c (dump_generic_node): Likewise.
13287 (op_prio): Likewise.
13288 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13289 * tree-ssa-operands.c (get_expr_operands): Added case for
13291 * tree-vect-patterns.c (widened_name_p): New function.
13292 (vect_recog_dot_prod_pattern): Added function implementation.
13293 * tree-vect-transform.c (get_initial_def_for_reduction): Added
13294 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
13295 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
13296 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
13298 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
13299 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
13300 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
13301 (init_optabs): Initialize new optabs widen_ssum_optab,
13303 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
13304 (widen_ssum_optab, widen_usum_optab): Define new optabs.
13305 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
13306 use instead of type of def.
13307 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
13308 function implementation.
13309 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
13310 widen_ssumv8hi): New.
13312 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
13315 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13318 * c-decl.c (add_flexible_array_elts_to_size): New function.
13319 (finish_decl): Use it.
13321 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
13323 * diagnostic.h: Include options.h.
13324 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
13325 dependancies for diagnostic.h.
13326 * Makefile.in (DIAGNOSTIC_H): Add options.h.
13328 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
13330 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
13331 (ssa_ro_call_cache_valid): Ditto.
13332 * tree-ssa-alias.c (sort_tags_by_id): New function.
13333 (init_transitive_clobber_worklist): Ditto.
13334 (add_to_worklist): Ditto.
13335 (mark_aliases_call_clobbered): Ditto.
13336 (compute_tag_properties): Ditto.
13337 (set_initial_properties): Ditto.
13338 (compute_call_clobbered): Ditto.
13339 (compute_may_aliases): Call compute_call_clobbered and grouping.
13340 (compute_flow_sensitive_aliasing): Remove clobbering related code.
13341 (compute_flow_insensitive_aliasing): Grouping now happens in our
13343 (setup_pointers_and_addressables): Remove clobbering related code.
13344 (add_may_alias): Ditto.
13345 (replace_may_alias): Ditto.
13346 (get_nmt_for): Ditto.
13347 (create_global_var):
13348 (is_escape_site): Return an escape_type enumeration.
13349 * tree-flow-inline.h (is_call_clobbered): Global var does not
13350 imply call clobbered.
13351 (mark_call_clobbered): Take a reason for marking this. Remove
13352 marking of globalness, and cache invalidation.
13353 (clear_call_clobbered): Remove cache invalidation code.
13354 * tree-dfa.c (dump_variable): If details is on, dump the reason
13356 * tree-outof-ssa.c (create_temp): Copy escape mask from original
13358 * tree-flow.h (struct ptr_info_def): Add escape mask member.
13359 (struct var_ann_d): Ditto.
13360 (enum escape_type): New.
13361 (mark_call_clobbered): Adjust prototype.
13362 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
13363 are never call clobbered.
13364 Record reasons for escaping.
13365 * tree-ssa-structalias.h (is_escape_site): Update prototype.
13366 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
13367 (ssa_ro_call_cache_valid): Ditto.
13368 (clobbered_v_may_defs): Ditto.
13369 (clobbered_vuses): Ditto.
13370 (ro_call_vuses): Ditto.
13371 (clobber_stats): New.
13372 (init_ssa_operands): Zero out clobber stats.
13373 (fini_ssa_operands): Print out clobber stats.
13374 (get_call_expr_operands): Pass callee fndecl to
13375 add_call_read_ops).
13376 (add_call_clobber_ops): Remove use of cache.
13377 Add use of PURE_CONST information.
13378 (add_call_read_ops): Remove use of cache.
13379 Add use of static not_read information.
13381 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
13383 Introduce TLS descriptors for i386 and x86_64.
13384 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
13385 (TARGET_ANY_GNU_TLS): New macro.
13386 (enum tls_dialect): Added TLS_DIALECT_GNU2.
13387 (struct machine_function): Add tls_descriptor_call_expanded_p.
13388 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
13389 (ix86_current_function_calls_tls_descriptor): Likewise.
13390 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
13391 (override_options): Introduce gnu2 tls dialect.
13392 (ix86_frame_pointer_required): Functions containing TLSCALLs are
13394 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
13396 (legitimize_tls_address): Adjust logic for GNU2 TLS.
13397 (ix86_init_machine_status): Initialize new field.
13398 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
13399 (ix86_tls_module_base): New.
13400 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
13401 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
13402 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
13403 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
13404 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
13405 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
13406 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
13407 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
13408 * config/i386/predicates.md (tls_modbase_operand): New.
13409 (tp_or_register_operand): New.
13411 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
13413 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
13414 (look_for_address_of): Ditto.
13415 (ipa_init): Walk the function decls.
13416 (static_execute): Don't set readonly on FUNCTION_DECL's.
13418 2006-01-18 Roger Sayle <roger@eyesopen.com>
13420 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
13421 for shifts where the source and destination registers are different.
13423 2006-01-18 Paul Brook <paul@codesourcery.com>
13425 Merge from csl-arm-branch.
13426 2005-03-14 Julian Brown <julian@codesourcery.com>
13427 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
13428 (aeabi_llsl): Likewise.
13429 (ashrdi3): Likewise.
13430 (aeabi_lasr): Likewise.
13431 (lshrdi3): Likewise.
13432 (aeabi_llsr): Likewise.
13433 2005-03-10 Julian Brown <julian@codesourcery.com>
13434 * config.gcc: Disable shared libgcc for SymbianOS.
13435 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
13437 2006-01-18 DJ Delorie <dj@redhat.com>
13439 * c-pragma.c (handle_pragma_diagnostic): New.
13440 (init_pragma): Register it.
13441 * doc/extend.texi: Document it.
13443 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
13444 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
13445 (diagnostic_context): Add classify_diagnostic[].
13446 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
13447 as errors if they're overridden to DK_WARNING.
13448 (diagnostic_initialize): Initialize classify_diagnostic[].
13449 (diagnostic_set_kind_override): New.
13450 (diagnostic_report_diagnostic): Check for kind changes.
13451 * opts.c (common_handle_option): Take lang_mask. Update callers.
13452 Handle OPT_Werror_.
13453 * common.opt (Werror=): New.
13454 * doc/invoke.texi: Document -Werror=*
13456 2006-01-18 Jeff Law <law@redhat.com>
13458 * tree-vrp.c (test_for_singularity): Correct test for new
13459 min limit. Use operand_equal_p rather than pointer equality
13460 for testing if new min/max values are equal.
13462 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
13463 using range information until after propagation and folding.
13465 2006-01-18 Richard Henderson <rth@redhat.com>
13466 Aldy Hernandez <aldyh@redhat.com>
13467 Jakub Jelinek <jakub@redhat.com>
13468 Diego Novillo <dnovillo@redhat.com>
13470 * omp-low.c: New file.
13471 * c-omp.c: New file.
13473 2006-01-18 Richard Henderson <rth@redhat.com>
13474 Jakub Jelinek <jakub@redhat.com>
13475 Diego Novillo <dnovillo@redhat.com>
13477 * doc/invoke.texi: Document -fopenmp.
13478 * tree-dump.h (debug_function): Declare.
13479 * hooks.c (hook_bool_tree_bool_false): New function.
13480 (hook_tree_tree_null): Remove.
13481 (hook_tree_tree_tree_null): New.
13482 * hooks.h: Update to match.
13483 * tree-pretty-print.c (debug_tree_chain): New.
13484 (print_generic_expr): Handle TDF_CHAIN.
13485 (dump_generic_node): Handle BLOCK.
13486 Do not abort with incomplete SWITCH_EXPRs.
13487 Do not dump body of an OpenMP directive if TDF_SLIM is given.
13488 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
13489 print space after directive name.
13490 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
13491 Handle OMP_MASTER and OMP_ORDERED.
13492 Handle printing of OMP_BODY just in one place, goto
13493 dump_omp_body in the rest of OMP_* nodes that have
13495 Don't handle clause nodes here. Update omp statements to
13496 use dump_omp_clauses.
13497 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
13498 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
13499 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
13500 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
13501 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
13502 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
13503 Adjust output for GOMP_PARALLEL.
13504 (dump_omp_clauses): New.
13505 (print_declaration): Dump DECL_VALUE_EXPR.
13506 (op_symbol_1): Split out of op_symbol.
13507 (dumping_stmts): Remove. Update all users.
13508 * cgraph.c (cgraph_analyze_queue): New.
13509 (cgraph_add_new_function): New.
13510 * cgraph.h (cgraph_analyze_queue): Declare.
13511 (cgraph_add_new_function): Declare.
13512 (cgraph_lower_function): Remove.
13513 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
13514 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
13515 and TYPE_P nodes in its default clause.
13516 (empty_body_p): New.
13517 (tree_range_check_failed): New.
13518 (build5_stat): New.
13519 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
13520 OMP_CLAUSE_REDUCTION_MERGE,
13521 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
13522 OMP_CLAUSE_PRIVATE_DEBUG,
13523 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
13524 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
13525 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
13526 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
13527 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
13528 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
13529 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
13530 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
13531 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
13532 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
13533 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
13534 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
13535 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
13536 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
13537 (TREE_RANGE_CHECK): New.
13538 (empty_body_p): Declare.
13539 (enum omp_clause_default_kind): New.
13540 (build_string_literal): Declare.
13541 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
13542 (build5_stat, build5): Declare.
13543 * tree-pass.h (TDF_CHAIN): Define.
13544 * tree-pass.h (PROP_gimple_lomp): Define.
13545 (pass_lower_omp): Declare.
13546 * diagnostic.h (debug_tree_chain): Declare.
13547 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
13549 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
13550 * builtins.c (build_string_literal): Make extern.
13551 * gcc.c (include_spec_function): New.
13552 (static_spec_functions): Add it.
13553 (main): Move load of libgomp.spec ...
13554 (LINK_COMMAND_SPEC): ... here.
13555 (link_gomp_spec): New.
13556 (static_specs): Include it.
13557 (LINK_COMMAND_SPEC): Add link_gomp.
13558 (GOMP_SELF_SPECS): New.
13559 (driver_self_specs): Include it.
13560 (switch_matches): Don't mark inline.
13561 (main): Load libgomp.spec.
13562 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
13563 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
13564 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
13565 * tree-gimple.h (enum omp_parallel): Declare.
13566 (determine_parallel_type): Declare.
13567 (omp_firstprivatize_variable): Declare.
13568 (omp_reduction_init): Declare.
13569 (diagnose_omp_structured_block_errors): Declare.
13570 (struct walk_stmt_info): Add want_return_expr.
13571 (struct walk_stmt_info): Add want_bind_expr, want_locations.
13572 (find_omp_clause): Declare.
13573 (insert_field_into_struct): Declare.
13574 (struct walk_stmt_info): Move from tree-nested.c
13575 (walk_stmts): Declare.
13576 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
13578 * cgraphunit.c (cgraph_lower_function): Make static.
13579 (cgraph_finalize_pending_functions): New.
13580 (cgraph_finalize_function): Call it.
13581 (cgraph_finalize_compilation_unit): Likewise.
13582 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
13583 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
13584 (BT_FN_UINT_UINT): New.
13585 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
13586 DEF_FUNCTION_TYPE_VAR_4): Document.
13587 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
13588 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
13589 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
13590 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
13591 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
13592 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
13593 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
13594 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
13595 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
13596 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
13597 into separate files.
13598 (DEF_GOMP_BUILTIN): New.
13599 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
13600 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
13601 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
13602 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
13603 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
13604 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
13605 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
13606 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
13607 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
13608 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
13609 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
13610 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
13611 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
13612 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
13613 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
13614 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
13615 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
13616 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
13617 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
13618 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
13619 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
13620 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
13621 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
13622 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
13623 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
13624 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
13625 * sync-builtins.def: New file, moved from builtins.def.
13626 * omp-builtins.def: New file, moved from builtins.def.
13627 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
13628 * gimple-low.c (lower_function_body): Clear data.
13629 (lower_stmt): Do not handle COMPOUND_EXPR.
13630 Remove call to print_node_brief.
13631 * c-tree.h (c_finish_omp_clauses): New prototype.
13632 (C_DECL_THREADPRIVATE_P): Define.
13633 (lookup_name_no_remap, c_omp_remap_private): Remove
13634 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
13635 (check_for_loop_decls): Update decl.
13636 (lookup_name_no_remap, c_omp_remap_private): Declare.
13637 (build_indirect_ref, build_modify_expr, pushdecl,
13638 pushdecl_top_level): Move to c-common.h.
13639 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
13640 before the switch, but just in the 2 places that need it.
13641 * c-decl.c (diagnose_mismatched_decls): Do not check for
13642 mismatched thread-local attributes when OLDDECL is marked
13643 threadprivate and NEWDECL has no thread-local attributes.
13644 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
13645 (c_gimple_diagnostics_recursively): Rename from
13646 c_warn_unused_result_recursively. Invoke
13647 diagnose_omp_structured_block_errors.
13648 (check_for_loop_decls): Return a singular decl found.
13649 * langhooks.c (lhd_omp_predetermined_sharing): Return
13650 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
13651 (lhd_omp_firstprivatize_type_sizes): New.
13652 (lhd_omp_assignment): New.
13653 (lhd_omp_predetermined_sharing): New.
13654 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
13655 (struct lang_hooks_for_types): Add
13656 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
13657 omp_predetermined_sharing, omp_disregard_value_expr,
13658 omp_private_debug_clause, omp_clause_default_ctor,
13659 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
13660 (c_finish_omp_clauses): New.
13661 (c_finish_bc_stmt): Diagnose break within omp for.
13662 (c_begin_omp_parallel, c_finish_omp_parallel): New.
13663 (build_unary_op): Return error_mark after reporting
13665 (build_modify_expr): Likewise.
13666 * gimplify.c: Include optabs.h and pointer-set.h.
13667 (enum gimplify_omp_var_data): Declare.
13668 (struct gimplify_omp_ctx): Declare.
13669 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
13671 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
13672 (push_gimplify_context, pop_gimplify_context): Allow nesting.
13673 (splay_tree_compare_decl_uid): New.
13674 (new_omp_context): New.
13675 (delete_omp_context): New.
13676 (gimple_add_tmp_var): Call omp_add_variable.
13677 (gimplify_bind_expr): Likewise.
13678 (gimplify_var_or_parm_decl): If omp_notice_variable returned
13679 true, disregard DECL_VALUE_EXPR on the decl if any.
13680 (gimplify_expr_in_ctx): New.
13681 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
13682 omp_add_variable, omp_notice_variable, omp_is_private
13683 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
13684 gimplify_adjust_omp_clauses, gimplify_omp_parallel
13685 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
13686 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
13687 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
13688 gimplify_omp_atomic): New.
13689 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13690 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13691 OMP_CRITICAL and OMP_ATOMIC.
13692 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
13693 * c-pragma.h (enum pragma_kind): Add
13694 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
13695 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
13696 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
13697 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
13698 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
13699 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
13700 PRAGMA_OMP_THREADPRIVATE.
13701 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13702 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13703 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
13704 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
13705 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
13706 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
13707 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
13708 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
13709 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
13710 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
13711 * tree-ssa-dce.c (find_control_dependence): Do not assume that
13712 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
13713 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
13715 (struct nesting_info): Add field_map,
13716 suppress_expansion, debug_var_chain.
13717 (create_nesting_tree): Initialize them.
13718 (lookup_field_for_decl): Use field_map.
13719 (get_nonlocal_debug_decl, get_local_debug_decl): New.
13720 (convert_local_omp_clauses): New.
13721 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
13722 (walk_body): Split out of walk_function.
13723 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
13724 (convert_nonlocal_reference): Handle omp statements.
13725 (convert_local_reference): Likewise.
13726 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
13727 (unnest_nesting_tree): New.
13728 (lower_nested_functions): Call it.
13729 (insert_field_into_struct): Make extern.
13730 (struct walk_stmt_info): Move to tree-gimple.h.
13731 (walk_stmts): Make extern.
13732 * omp-builtins.def: New file.
13733 * tree-iterator.c (expr_only): Clarify comment.
13734 * c-common.h (pushdecl_top_level, pushdecl,
13735 build_modify_expr, build_indirect_ref,
13736 c_finish_omp_master, c_finish_omp_critical,
13737 c_finish_omp_ordered, c_finish_omp_barrier,
13738 c_finish_omp_atomic, c_finish_omp_flush,
13739 c_finish_omp_for, c_split_parallel_clauses,
13740 omp_clause_default_kind, c_omp_sharing_predetermined,
13741 c_omp_remap_decl): Declare.
13742 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
13743 (OBJS-common): Add omp-low.o.
13744 (c-omp.o, omp-low.o): Add.
13745 (gimplify.o): Add dependency on $(OPTABS_H).
13746 (GTFILES): Add omp-low.c.
13747 (gt-stringpool.h): Add.
13748 * tree-cfg.c (set_bb_for_stmt): Do not update the
13749 block-to-labels map if we are currently expanding to RTL.
13750 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
13752 Handle IDENTIFIER_NODE.
13753 (tree_verify_flow_info): Do not ICE when emitting error
13754 messages about invalid labels.
13755 (dump_function_to_file): Reset CFUN before emitting the body
13757 (debug_function): New.
13758 * passes.c (init_optimization_passes): Schedule
13760 * langhooks-def.h (lhd_omp_predetermined_sharing,
13761 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
13763 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
13764 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
13765 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
13766 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
13767 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
13768 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
13769 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
13770 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
13771 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
13772 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
13773 (LANG_HOOK_DECLS): Use them.
13775 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
13776 Richard Henderson <rth@redhat.com>
13777 Jakub Jelinek <jakub@redhat.com>
13778 Diego Novillo <dnovillo@redhat.com>
13780 * c-parser.c (pragma_omp_clause): Define.
13781 (c_parser_declaration_or_fndef): Document OpenMP syntax.
13782 (c_parser_compound_statement): Likewise.
13783 (c_parser_statement): Likewise.
13784 (c_parser_pragma): Handle omp pragmas.
13785 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
13786 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
13787 (c_parser_omp_clause_name, check_no_duplicate_clause,
13788 c_parser_omp_variable_list,
13789 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
13790 c_parser_omp_clause_copyprivate,
13791 c_parser_omp_clause_default,
13792 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
13793 c_parser_omp_clause_lastprivate,
13794 c_parser_omp_clause_nowait,
13795 c_parser_omp_clause_num_threads,
13796 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
13797 c_parser_omp_clause_reduction,
13798 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
13799 c_parser_omp_all_clauses, c_parser_omp_structured_block,
13800 c_parser_omp_atomic, c_parser_omp_barrier,
13801 c_parser_omp_critical, c_parser_omp_flush,
13802 c_parser_omp_for_loop, c_parser_omp_for,
13803 c_parser_omp_master, c_parser_omp_ordered,
13804 c_parser_omp_sections_scope, c_parser_omp_sections,
13805 c_parser_omp_parallel, c_parser_omp_single,
13806 c_parser_omp_construct, c_parser_omp_threadprivate): New.
13807 * c-pragma.c (init_pragma): Do omp pragma registration here.
13808 * c.opt (fopenmp): New flag.
13810 2006-01-18 Eric Christopher <echristo@apple.com>
13812 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
13813 * config/darwin.h (GOMP_SELF_SPECS): Define.
13815 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13817 * rtl.h: Remove the prototype for reg_alloc.
13819 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13822 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
13823 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
13824 sjlj and dwarf2 exception handling.
13825 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
13826 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
13827 * pa/pa.c (function_value): Treat complex and vector types as
13829 (function_arg): Likewise. Only pass scalar floats in the floating
13830 point argument registers.
13831 * pa/t-slibgcc-dwarf-ver: New file.
13832 * pa/t-slibgcc-sjlj-ver: New file.
13833 * pa/t-slibgcc-elf-ver: Delete file.
13835 2006-01-19 Alan Modra <amodra@bigpond.net.au>
13837 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
13838 unlikely_test_section_p test.
13840 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13842 * mode-switching.c (optimize_mode_switching): Make it static.
13843 * basic-block.h: Remove the prototype for
13844 optimize_mode_switching.
13846 * modulo-sched.c (sms_schedule): Make it static.
13847 * rtl.h: Remove the prototype for sms_schedule.
13849 * postreload-gcse.c (gcse_after_reload_main): Make it static.
13850 * rtl.h: Remove the prototype for gcse_after_reload_main.
13852 * reg-stack.c (reg_to_stack): Make it static.
13853 * rtl.h: Remove the prototype for reg_to_stack.
13855 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
13857 * rtl.h: Remove the prototypes for regrename_optimize and
13858 copyprop_hardreg_forward.
13860 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
13862 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
13863 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
13864 Test against the appropriate null constant for the mode.
13865 If 'fixup_overlap' is true, swap the operands if they overlap.
13866 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
13867 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
13868 alpha_split_tmode_pair and adjust for above change.
13869 * config/alpha/alpha.md (movtf_internal): Adjust call to
13870 alpha_split_tfmode_pair and rely on it to swap the operands.
13871 (movti_internal): New insn and post-reload splitter.
13872 (movti): New expander.
13874 2006-01-18 Philippe De Muyter <phdm@macqel.be>
13876 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
13879 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13881 * rtlanal.c (global_reg_mentioned_p_1,
13882 global_reg_mentioned_p): Remove.
13883 * rtl.h: Remove the prototype for global_reg_mentioned_p.
13885 * flow.c (initialize_uninitialized_subregs): Make it static.
13886 * rtl.h: Remove the prototype for
13887 initialize_uninitialized_subregs.
13889 * function.c (instantiate_virtual_regs): Make it static.
13890 * function.h: Remove the prototype for
13891 instantiate_virtual_regs.
13893 * regmove.c (regmove_optimize, combine_stack_adjustments):
13895 * rtl.h: Remove the prototypes for regmove_optimize and
13896 combine_stack_adjustments.
13898 2006-01-17 Roger Sayle <roger@eyesopen.com>
13900 * config/i386/i386.c (COSTS_N_BYTES): New macro.
13901 (size_cost): Encode costs in bytes so that a reg-reg addition is
13902 equivalent to COSTS_N_INSNS(1).
13903 (override_options): Use the size_cost.branch_cost as the default
13904 ix86_branch_cost when optimizing for size.
13906 2006-01-18 Ben Elliston <bje@au.ibm.com>
13908 * Makefile.in (D32PBIT_FUNCS): New.
13909 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
13910 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
13911 D64PBIT_FUNCS and D128PBIT_FUNCS.
13912 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
13913 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
13915 (decnumber_dep): Define.
13916 * doc/libgcc.texi (Decimal float library routines): New node.
13917 * config/dfp-bit.h, config/dfp-bit.c: New files.
13919 2006-01-18 Ben Elliston <bje@au.ibm.com>
13921 * expr.c (emit_move_change_mode): Always adjust addresses, not
13922 just during reload. Copy replacements only during reload.
13923 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
13924 emit_move_via_integer.
13926 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
13928 * Makefile.in (check-%, check-consistency): Use $${srcdir}
13929 instead of $(srcdir) and ${srcdir}.
13931 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
13934 PR middle-end/11135
13935 * arm.h (struct machine_function): Add pic_reg.
13936 * arm.c (arm_pic_register): Make unsigned.
13937 (arm_override_options): Only set arm_pic_register if
13938 TARGET_SINGLE_PIC_BASE.
13939 (use_return_insn): Only test for a pic register if it is fixed.
13940 (arm_compute_save_reg0_reg12_mask): Likewise.
13941 (thumb_compute_save_reg_mask): Likewise.
13942 (legitimate_pic_operand): Factor out some known invariants.
13943 (legitimize_pic_address): If we don't have a fixed pic register,
13944 then set up a pseudo in the function entry sequence. Handle the
13945 pic base being in a pseudo.
13946 (arm_load_pic_register): Handle the pic register being in a pseudo.
13947 (arm_expand_prologue): Only set up the pic register if it is fixed.
13948 (thumb_expand_prologue): Likewise.
13949 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
13950 (pic_load_addr_based_insn): Likewise.
13951 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
13954 2006-01-18 Ben Elliston <bje@au.ibm.com>
13956 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
13957 decimal float modes for all floating point registers.
13959 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
13960 match_code "mem" with match_test "macho_lo_sum_memory_operand".
13962 2006-01-17 Jakub Jelinek <jakub@redhat.com>
13965 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
13966 even when the pointer is not NULL.
13968 2006-01-16 Ian Lance Taylor <ian@airs.com>
13970 * common.opt (ftoplevel-reorder): New option.
13971 * cgraph.c (cgraph_asm_nodes): New global variable.
13972 (cgraph_asm_last_node): New static variable.
13973 (cgraph_order): New global variable.
13974 (cgraph_create_node): Set new order field.
13975 (cgraph_varpool_node): Likewise.
13976 (decide_is_variable_needed): Return true if not
13977 flag_toplevel_reorder.
13978 (cgraph_add_asm_node): New function.
13979 * cgraph.h (struct cgraph_node): Add order field.
13980 (struct cgraph_varpool_node): Add order field.
13981 (struct cgraph_asm_node): Define.
13982 (cgraph_asm_nodes, cgraph_order): Declare.
13983 (cgraph_add_asm_node): Declare.
13984 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
13986 (cgraph_varpool_assemble_pending_decls): Call it.
13987 (cgraph_output_pending_asms): New static function.
13988 (cgraph_finalize_compilation_unit): Call it.
13989 (struct cgraph_order_sort): Define.
13990 (cgraph_output_in_order): New static function.
13991 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
13992 !flag_toplevel_reorder case.
13993 * c-parser.c: Include "cgraph.h".
13994 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
13996 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
13997 than -fno-unit-at-a-time.
13998 * doc/invoke.texi (Option Summary): Mention
13999 -fno-toplevel-reorder.
14000 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
14001 -funit-at-a-time documentation.
14003 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
14004 Kazu Hirata <kazu@codesourcery.com>
14006 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
14008 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
14010 * Makefile.in (FUNCTION_H): New. Use it instead of
14011 function.h throughout the file.
14012 * function.h: Include tree.h.
14014 2006-01-17 Ben Elliston <bje@au.ibm.com>
14016 * recog.c: Separate some functions with whitespace.
14018 2006-01-16 Richard Henderson <rth@redhat.com>
14020 Merge from gomp branch:
14021 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
14022 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
14023 and rename from struct inline_data. Rename callee* to dst*;
14024 caller* to src*; add copy_decl hook, transform_call_graph_edges,
14025 transform_new_cfg, transform_return_to_modify, and
14026 transform_lang_insert_block flags; remove cloning_p, versioning_p,
14028 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
14029 (copy_decl_for_dup): Remove.
14030 * tree-inline.c (struct inline_data): Move to header.
14031 (insert_decl_map): Export.
14032 (remap_decl): Update for member name changes. Use copy_decl hook.
14033 Allow for replacement to be a non-decl. Remove dead code.
14034 (remap_type_1): Check for existing mapping.
14035 (remap_type): Export.
14036 (remap_decls): Update for member name changes.
14037 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
14038 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
14039 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
14040 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
14041 (tree_function_versioning, build_duplicate_type): Likewise.
14042 (copy_body_r): Likewise. Export.
14043 (copy_decl_for_dup): Split into ...
14044 (copy_decl_for_dup_finish, copy_decl_to_var,
14045 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
14046 (replace_ref_tree, inlining_p): Remove.
14048 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14050 * ifcvt.c (if_convert): Make it static.
14051 * rtl.h: Remove the prototype for if_convert.
14053 * local-alloc.c (local_alloc): Make it static.
14054 * rtl.h: Remove the prototype for local_alloc.
14056 * loop.c (loop_optimize): Make it static.
14057 * cfgloop.h: Remove the prototype for loop_optimize.
14060 2006-01-16 DJ Delorie <dj@redhat.com>
14062 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
14065 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14067 * pa.md: Disparage copies between general and floating-point registers
14068 in 32-bit move patterns.
14070 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
14073 * Makefile.in (check-%): Depend on site.exp instead of
14074 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
14077 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14079 * global.c (global_alloc): Make it static.
14080 * rtl.h: Remove the prototype for global_alloc.
14082 2006-01-16 Richard Guenther <rguenther@suse.de>
14084 * tree-ssa-alias.c (struct used_part): Add write_only field.
14085 (get_or_create_used_part_for): Initialize it to true.
14086 (create_overlap_variables_for): Don't create structure variables
14087 for structures that only are written to.
14088 (find_used_portions): Handle MODIFY_EXPR to track whether a
14089 structure is only written to.
14091 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14093 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
14095 * basic-block.h: Remove the prototype for
14096 partition_hot_cold_basic_blocks.
14098 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
14100 * cppspec.c (lang_specific_spec_functions): Remove.
14101 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
14102 * gcc.h (lang_specific_spec_functions): Remove.
14103 * gccspec.c (lang_specific_spec_functions): Remove.
14105 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
14107 * combine.c (record_value_for_reg): Invalidate registers
14109 (record_dead_and_set_regs_1): Likewise, by passing them to
14110 record_value_for_reg.
14111 (record_dead_and_set_regs): Invalidate stores made by a
14112 call. We do not combine across a call, but we still
14113 relied on equivalences.
14115 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14117 * tree-vrp.c (extract_range_from_binary_expr): Cope with
14118 vrp_int_const_binop returning non-constant nodes.
14120 2006-01-16 Paul Brook <paul@codesourcery.com>
14122 * config/m68k/m68k.c (output_move_const_into_data_reg):
14123 Output correct mnemonic for mvz and mvs.
14125 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
14127 * rtl-factoring.c: Add sequence abstraction algorithm.
14128 * cfgcleanup.c (outgoing_edges_match): Extra checks.
14129 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
14131 (block_has_preserve_label): New function.
14132 * common.opt: Register new pass.
14133 * Makefile.in: Ditto.
14135 * timevar.def: Ditto.
14136 * tree-pass.h: Ditto.
14137 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
14138 * rtl.h (make_jump_insn_raw): Add forward decl.
14139 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
14141 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14142 Roger Sayle <roger@eyesopen.com>
14144 * fold-const.c (fold_minmax): New static function.
14145 (fold_binary) <MIN_EXPR>: Call it.
14146 <MAX_EXPR>: Likewise.
14147 * stor-layout.c (place_field): Use DECL_SIZE consistently
14148 in the computation of the new record size.
14150 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14152 * cse.c (cse_condition_code_reg): Make it static.
14153 * rtl.h: Remove the prototype for cse_condition_code_reg.
14155 * combine.c (combine_instructions): Make it static.
14156 * rtl.h: Remove the prototype for combine_instructions.
14158 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14161 * tree.c (get_file_function_name_long): Concatenate the first global
14162 object name with a string derived from the input filename of the object
14165 2006-01-16 Ben Elliston <bje@au.ibm.com>
14167 * config/i386/winnt-stubs.c: Update FSF address.
14168 * config/xtensa/ieee754-df.S: Ditto.
14169 * config/xtensa/ieee754-sf.S: Ditto.
14171 2006-01-14 Ian Lance Taylor <ian@airs.com>
14173 * ifcvt.c (noce_init_if_info): New static function, broken out of
14174 noce_process_if_block.
14175 (noce_process_if_block): Call noce_init_if_info.
14176 (check_cond_move_block): New static function.
14177 (cond_move_process_if_block): New static function.
14178 (process_if_block): Call cond_move_process_if_block.
14180 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
14182 * cselib.c (hash_table): Rename to cselib_hash_table.
14183 (cselib_clear_table, discard_useless_values,
14184 remove_useless_values, cselib_lookup_mem, cselib_lookup,
14185 cselib_init, cselib_finish): Adjust uses of hash_table.
14187 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
14189 PR tree-optimization/25485
14190 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
14191 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
14192 is known to be false and true, respectively.
14194 2006-01-14 Richard Guenther <rguenther@suse.de>
14196 PR tree-optimization/22548
14197 PR tree-optimization/22555
14198 PR tree-optimization/22501
14199 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
14200 * params.def (salias-max-array-elements): New parameter.
14201 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
14202 * doc/invoke.texi (salias-max-array-elements): Document.
14203 * tree-flow-inline.h (var_can_have_subvars): We also handle
14205 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
14207 * tree-ssa-structalias.c (params.h): Include.
14208 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
14209 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
14210 (get_constraint_for): For ADDR_EXPR operating on something
14211 containing an ARRAY_REF, add all subvars to the solution.
14212 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
14213 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
14214 for creating MUST_DEFs.
14215 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
14217 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
14219 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
14221 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
14222 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14223 number_of_iterations_le): New functions.
14224 (number_of_iterations_special): Removed.
14225 (number_of_iterations_exit): Do not use number_of_iterations_special.
14226 * tree.c (unsigned_type_for): Always return integer type.
14228 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
14229 Richard Guenther <rguenther@suse.de>
14231 PR rtl-optimization/24257
14232 * gcse.c (find_moveable_store): Only consider a store movable
14233 when the SET_SRC of the insn can be assigned to a register.
14235 2006-01-14 Ian Lance Taylor <ian@airs.com>
14237 * tree.c (tree_not_class_check_failed): New function.
14238 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
14239 (tree_not_class_check_failed): Declare.
14241 2006-01-13 Ian Lance Taylor <ian@airs.com>
14243 * reload1.c (do_output_reload): Add assertion rejecting a
14246 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
14248 * combine.c (struct reg_stat): Add new fields truncation_label and
14250 (record_value_for_reg): Reset truncated_to_mode.
14251 (record_truncated_value): New function.
14252 (check_promoted_subreg): Call it. Rename to check_conversions.
14253 (combine_instructions): Rename check_promoted_subreg to
14255 (reg_truncated_to_mode): New function.
14256 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
14257 (gen_lowpart_or_truncate): New function.
14258 (force_to_mode): Use it instead of gen_lowpart.
14260 2006-01-13 Diego Novillo <dnovillo@redhat.com>
14262 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
14263 VAR is a tag, not its type tag.
14265 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
14267 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
14268 alternatives to match style of other entries.
14269 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
14271 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
14273 PR tree-optimization/25771
14274 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
14277 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
14280 * tree-inline.c (declare_return_variable): If the return variable
14281 was marked as a non gimple complex, set the return slot variable
14282 to be a non gimple comple variable.
14284 2006-01-13 Richard Guenther <rguenther@suse.de>
14286 * builtins.c (expand_builtin_sincos): New function.
14287 (expand_builtin_mathfn_3): Remove dead code, sin and cos
14289 (expand_builtin): Expand sincos using expand_builtin_sincos.
14291 2006-01-12 DJ Delorie <dj@redhat.com>
14293 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
14294 shift counts, separate SI shifts for m32c vs m16c, pass shift type
14295 so that constant shifts can be split.
14296 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
14297 (m32c_valid_pointer_mode): Make static.
14298 (shift_gen_func_for): New.
14299 (m32c_prepare_shift): Use it. Split large const shifts into
14301 * config/m32c/predicates.md (shiftcount_operand): Allow more
14303 (longshiftcount_operand): New.
14304 * doc/md.texi (Machine Constraints): Document In6.
14306 2006-01-13 Ben Elliston <bje@au.ibm.com>
14308 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
14309 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
14312 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
14314 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
14315 to try to avoid clobbering pieces of structures when we know
14316 something about the whole structure.
14317 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
14319 2006-01-13 Ben Elliston <bje@au.ibm.com>
14321 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
14322 return in memory, as this is no limitation is no longer present.
14324 2006-01-12 DJ Delorie <dj@redhat.com>
14326 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
14327 mova with fb, and for fb+0 -> An.
14329 * config/m32c/mov.md (peephole2): Fix enabling logic.
14331 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
14332 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
14333 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
14334 FINI_ARRAY_SECTION_ASM_OP): Define.
14336 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
14338 (m32c_legitimize_reload_address): New logic to reload FB to An.
14339 (m32c_output_reg_push): Add newline.
14340 (m32c_output_reg_pop): Likewise.
14342 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
14344 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
14346 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
14348 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
14350 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14352 * config/sh/predicates.md (sh_rep_vec): Add parallel to
14355 2006-01-11 Ben Elliston <bje@au.ibm.com>
14357 * rtlanal.c (find_reg_note): Assert insn is not null.
14359 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14361 * df-scan.c (df_hard_reg_init): Move declaration of i outside
14364 2006-01-11 Jeff Law <law@redhat.com>
14366 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
14368 (mark_threaded_blocks, register_jump_thread): New functions.
14369 (thread_through_all_blocks): Remove unwanted argument. No
14370 longer rely on e->aux to communicate thread target info.
14371 Call mark_threaded_blocks. Release the threaded_blocks
14372 bitmap and threaded_edges vector when complete.
14373 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
14374 (threaded_blocks): Remove.
14375 (tree_ssa_dominator_optimize): Remove initialization and
14376 finalization of threaded_blocks. Simplify call to
14377 thread_through_all_blocks.
14378 (thread_across_edge): Call register_jump_thread rather than
14379 storing thread information into e->aux.
14380 (free_all_edge_infos): Simplify now that e->aux is no longer
14381 used to communicate with thread_through_all_blocks.
14382 * tree-flow.h (thread_through_all_blocks): Update prototype.
14383 (register_jump_thread): Prototype.
14385 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14387 * df-core.c (df_compact_blocks, df_bb_replace): Use
14388 SET_BASIC_BLOCK instead of BASIC_BLOCK.
14390 2006-01-11 Richard Guenther <rguenther@suse.de>
14392 PR tree-optimization/25734
14393 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
14394 stop propagation after successful propagation to the LHS.
14396 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14398 * basic-block.h (control_flow_graph): Change the type of
14399 x_basic_block_info to VEC(basic_block,gc) *.
14400 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
14402 (SET_BASIC_BLOCK): New.
14403 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
14404 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
14405 * cfgbuild.c (find_basic_blocks): Likewise.
14406 * cfglayout.c (fixup_reorder_chain): Likewise.
14407 * cfgrtl.c (create_basic_block_structure,
14408 rtl_create_basic_block): Likewise.
14409 * ifcvt.c (find_if_case_1): Likewise.
14410 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
14413 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14415 * Makefile.in: Removed rotted odf.c entry.
14417 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
14420 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
14421 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
14422 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
14423 output pattern modifier, not %e.
14424 * config/cris/cris.c (cris_op_str): Update comment about pattern
14426 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
14427 before falling through into...
14428 <case 'E'>: Redefined from old 'e' case.
14430 2006-01-11 Jan Hubicka <jh@suse.cz>
14433 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
14435 2006-01-11 Jan Hubicka <jh@suse.cz>
14437 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
14438 * i386.c (x86_decompose_lea): Kill.
14439 (ix86_rtx_costs): Kill.
14441 2006-01-11 Jan Hubicka <jh@suse.cz>
14443 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
14444 * cgraph.h (cgraph_node): Add inline_decl.
14445 (cgraph_insert_node_to_hashtable): Declare.
14446 (save_inline_function_body): Declare.
14447 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
14449 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
14450 (cgraph_function_versioning): Update call of tree_function_versioning.
14451 (save_inline_function_body): New function.
14452 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
14453 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
14454 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
14455 (cgraph_default_inline_p): Likewise.
14456 (cgraph_decide_inlining_incrementally): Likewise.
14457 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
14458 (copy_bb): Kill saving; do updating of clones.
14459 (copy_cfg_body): Kill saving.
14460 (initialize_inlined-parameters): Likewise.
14461 (expand_call_inline): Likewise.
14463 (tree_function_versioning): New parameter "update_clones".
14464 (inlining_p): Kill saving.
14465 * tree-inline.h (tree_function_versioning): Update prototype.
14466 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
14469 2006-01-11 Ian Lance Taylor <ian@airs.com>
14471 * combine.c (struct undo): Remove is_int. Enumify types of undos.
14472 Allow undoing set of machine mode.
14473 (do_SUBST): Use enums instead of is_int.
14474 (do_SUBST_MODE): New function.
14475 (SUBST_MODE): New macro.
14476 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
14477 reg and trying to replace reg_regno_rtx with a new register.
14478 (undo_all): Use new enums, handle undoing a PUT_MODE change.
14479 (simplify_set): Use SUBST_MODE.
14480 (distribute_notes): Remove code that tried to update reg notes
14481 for regno_reg_rtx changes.
14483 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
14485 PR tree-optimization/23109
14486 PR tree-optimization/23948
14487 PR tree-optimization/24123
14489 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
14490 * tree-cfg.c (single_noncomplex_succ): New.
14491 * tree-flow.h (single_noncomplex_succ): Declare it.
14492 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14493 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14494 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
14495 insert_bb, register_division_in, insert_reciprocals,
14496 replace_reciprocal, free_bb): New.
14497 (execute_cse_reciprocals_1): Rewritten.
14498 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
14499 Do not commit any edge insertion. Always compute dominators and
14500 create the allocation pool.
14501 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
14502 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
14503 * targhooks.c (default_min_divistions_for_recip_mul): New.
14504 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
14505 * passes.c (init_optimization_passes): Run recip after tree loop
14507 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
14509 2006-01-11 Danny Berlin <dberlin@dberlin.org>
14510 Kenneth Zadeck <zadeck@naturalbridge.com>
14512 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
14513 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
14514 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
14515 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
14516 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
14517 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
14518 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
14519 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
14520 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
14521 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
14522 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
14523 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
14524 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
14525 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
14526 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
14527 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
14528 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
14529 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
14530 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
14531 DF_SCAN_POST_ALLOC): New macros.
14532 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
14533 df_free_bb_function, df_local_compute_function, df_init_function,
14534 df_dataflow_function, df_confluence_function_0,
14535 df_confluence_function_n, df_transfer_function,
14536 df_finalizer_function, df_free_function, df_dump_problem_function,
14537 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
14538 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
14539 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
14540 df_urec_bb_info, ) New types.
14541 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
14543 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
14544 df_analyze_simple_change_some_blocks,
14545 df_analyze_simple_change_one_block, df_compact_blocks,
14546 df_bb_replace, df_bb_regno_last_use_find,
14547 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
14548 df_insn_regno_def_p, df_find_def, df_find_use,
14549 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
14550 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
14551 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
14552 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
14553 debug_df_chain, df_get_dependent_problem, df_chain_create,
14554 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
14555 df_grow_bb_info, df_chain_dump, df_print_bb_index,
14556 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
14557 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
14558 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
14559 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
14560 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
14561 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
14562 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
14563 df_ref_remove, df_insn_refs_delete, df_refs_delete,
14564 df_reorganize_refs, df_set_state, df_hard_reg_init,
14565 df_read_modify_subreg_p) New public functions.
14566 * df-core.c: The core dataflow solver and glue routines for rtl
14568 (df_init, df_add_problem, df_set_blocks, df_finish,
14569 df_hybrid_search_forward, df_hybrid_search_backward,
14570 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
14571 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
14572 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
14573 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
14574 df_reg_defined, df_find_use, df_reg_used, df_dump,
14575 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
14576 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
14577 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
14578 debug_df_useno, reset_df_after_reload): New functions.
14579 * df-scan.c: The scanning fuctions, once in df.c, completely
14580 rewritten so that they now fully model the functionality of
14581 register usage at the backend.
14582 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
14583 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
14584 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
14585 df_grow_insn_info, df_rescan_blocks, df_ref_create,
14586 df_get_artificial_defs, df_get_artificial_uses,
14587 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
14588 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
14589 df_refs_delete, df_reorganize_refs, df_set_state,
14590 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
14591 df_def_record_1, df_defs_record, df_uses_record,
14592 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
14593 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
14594 df_record_exit_block_uses, df_hard_reg_init): New functions.
14596 * df-problems.c: Seven concrete dataflow problems that use the
14597 scanning in df-scan.c and are solved by the engine in df-core.c.
14598 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
14599 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
14600 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
14601 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
14602 df_ru_free_bb_info, df_ru_alloc,
14603 df_ru_bb_local_compute_process_def,
14604 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
14605 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
14606 df_ru_transfer_function, df_ru_free, df_ru_dump,
14607 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
14608 df_rd_free_bb_info, df_rd_alloc,
14609 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
14610 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
14611 df_rd_transfer_function, df_rd_free, df_rd_dump,
14612 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
14613 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
14614 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
14615 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
14616 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
14617 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
14618 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
14619 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
14620 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
14621 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
14622 df_urec_mark_reg_change, df_urec_check_earlyclobber,
14623 df_urec_mark_reg_use_for_earlyclobber,
14624 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
14625 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
14626 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
14627 df_urec_dump, df_urec_add_problem, df_chain_alloc,
14628 df_chain_create_bb_process_use, df_chain_create_bb,
14629 df_chain_finalize, df_chain_free, df_chains_dump,
14630 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
14631 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
14632 df_reg_lifetime): New functions.
14633 * df.c: Deleted file.
14634 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
14635 consistent with new df api.
14636 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
14637 rest_of_handle_sms): Ditto.
14638 * web.c (unionfind_union, union_defs, entry_register, web_main):
14640 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
14641 invariant_expr_equal_p, find_defs, check_dependencies,
14642 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
14643 free_inv_motion_data, move_loop_invariants): Ditto.
14644 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
14645 Update dependencies.
14646 (odf.c): Added defective entry that was deleted later in day.
14647 * sched-deps.c (sched_analyze_1): Ditto.
14649 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
14651 * tree-ssa-operands.c (get_expr_operands): Record addressable
14652 variables directly. Do not call add_stmt_operands for CONST_DECLs
14654 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
14655 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
14657 2006-01-11 Ben Elliston <bje@au.ibm.com>
14659 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
14660 function returns true in the positive case.
14662 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14665 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
14666 for SI, DI, SF and DF modes. Add alternatives to copy between
14667 general and floating point registers to the 32-bit patterns.
14668 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
14669 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
14670 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
14671 generating 64-bit code.
14672 * config/pa/pa.c (output_move_double): Handle copies between general
14673 and floating registers.
14675 2006-01-10 Stuart Hastings <stuart@apple.com>
14677 * config/i386/i386.md (set_got): Update.
14678 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
14679 (builtin_setjmp_receiver): Mach-O support.
14680 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
14681 (GOT_SYMBOL_NAME): Define.
14682 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
14683 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
14684 * config/i386/i386.c (override_options): Revise for Darwin.
14685 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
14686 support. (darwin_x86_file_end): New. (output_set_got): Add label
14687 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
14688 * config/i386/i386-protos.h (output_set_got): Likewise.
14689 * config/darwin.c (machopic_legitimize_pic_address): Update
14692 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
14694 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
14695 when MODE isn't BLKmode.
14697 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14699 PR rtl-optimization/25367
14700 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
14702 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
14705 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
14706 for a negative bound.
14708 2006-01-10 Richard Guenther <rguenther@suse.de>
14710 * tree-ssa-structalias.c (get_constraint_for_component_ref):
14711 Never override with anything constraint.
14713 2006-01-10 Jan Beulich <jbeulich@novell.com>
14715 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
14716 256 bits when optimize_size.
14718 2006-01-10 Jan Beulich <jbeulich@novell.com>
14720 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
14722 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
14723 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
14726 2006-01-10 Ben Elliston <bje@au.ibm.com>
14728 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
14730 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
14731 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
14732 (USE_FP_FOR_ARG): Reject decimal float modes.
14733 (function_arg_advance): Likewise.
14734 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
14735 (rs6000_handle_altivec_attribute): Do not permit decimal floating
14736 point types in AltiVec vectors.
14737 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
14738 (rs6000_libcall_value): Likewise.
14740 2006-01-09 Bob Wilson <bob.wilson@acm.org>
14742 * config/xtensa/ieee754-df.S: New file.
14743 * config/xtensa/ieee754-sf.S: New file.
14744 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
14745 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
14746 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
14748 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
14750 * config/sh/predicates.md (binary_float_operator,
14751 binary_logical_operator, commutative_float_operator,
14752 equality_comparison_operator, greater_comparison_operator,
14753 less_comparison_operator, logical_operator,
14754 noncommutative_float_operator, shift_operator,
14755 symbol_ref_operand, unary_float_operator): Remove redundant
14758 2006-01-09 Jeff Law <law@redhat.com>
14760 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
14761 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
14762 now unused arguments. Callers updated.
14763 (eliminate_redundant_computations): Remove now unused arguments,
14765 (local_fold): Remove, no longer used.
14766 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
14768 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
14769 (simplify_cond): New function.
14770 (forward_propagate_into_cond): Call simplify_cond.
14772 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
14774 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
14775 (*vec_extractv2di_1_sse): New.
14777 2006-01-09 Ben Elliston <bje@au.ibm.com>
14779 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
14781 2006-01-08 Richard Guenther <rguenther@suse.de>
14783 * tree-ssa-structalias.c (get_constraint_for): Remove
14784 anyoffset argument.
14785 (get_constraint_for_component_ref): Likewise.
14786 (do_deref): Likewise.
14787 (get_constraint_for): Likewise.
14788 (do_structure_copy): Likewise.
14789 (handle_ptr_arith): Likewise.
14790 (find_func_aliases): Likewise. Remove unused need_anyoffset
14793 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
14794 Kaz Kojima <kkojima@gcc.gnu.org>
14796 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
14797 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
14798 (EXTRA_CONSTRAINT_C16): Remove.
14799 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
14800 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
14801 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
14802 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
14803 constants of SHmedia. Handle nested constant expressions of
14805 (andcosts): Fix the costs for SHmedia constants.
14806 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
14807 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
14808 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
14809 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
14810 (movv4hi_i, movv2si_i): Likewise.
14811 (movsi_const): Adjust the second operand of ior so to match with
14812 the Csu constraint.
14813 (movdi_const, movdi_const_32bit): Likewise.
14814 (movdi_const_16bit+1): Don't sign-extend LOW.
14815 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
14817 (*double_shori): Fix the split condition. Use GEN_INT instead
14818 of get_int_mode calls. Mask lower 16-bit of the argument of
14820 (sym2GOTPLT): Remove.
14821 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
14823 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
14824 instead of EXTRA_CONSTRAINT_C16.
14826 2006-01-07 Ian Lance Taylor <ian@airs.com>
14827 David Edelsohn <edelsohn@gnu.org>
14829 PR rtl-optimization/25662
14830 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
14831 for constant operands instead of simplify_gen_binary.
14832 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
14833 after trying simplify_binary_operation
14835 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
14837 * tree.c (iterative_hash_expr): Hash decls based on UID.
14839 2006-01-06 Eric Christopher <echristo@apple.com>
14841 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
14842 (TARGET_UNWIND_EMIT): Fix spelling.
14843 * target.h (gcc_target): Add except_table_label.
14844 * except.c (output_function_exception_table): Use.
14845 * varasm.c (default_emit_except_table_label): New.
14846 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
14848 (asm_out): Add here.
14849 * output.h (default_emit_except_table_label): Prototype.
14850 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
14851 * config/darwin.c (darwin_emit_except_table_label): Define.
14852 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
14854 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
14856 PR tree-optimization/18527
14857 * tree-ssa-loop-niter.c (number_of_iterations_cond,
14858 number_of_iterations_special, number_of_iterations_exit):
14859 Move base and step of an iv to a single structure. Add
14860 no_overflow flag, and use it in # of iterations analysis.
14861 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
14862 folded_casts argument.
14863 (simple_iv): Pass base and step in a structure. Set no_overflow
14865 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
14866 Evaluate expensiveness of computing # of iterations instead of
14867 the final expression.
14868 * tree-scalar-evolution.h (affine_iv): New structure.
14869 (simple_iv): Declaration changed.
14870 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
14871 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
14872 find_givs_in_stmt): Changed due to simple_iv change.
14874 2006-01-06 Jeff Law <law@redhat.com>
14877 * tree-cfg.c (bsi_replace): Rename final argument from
14878 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
14879 change (stmt -> orig_stmt).
14880 * tree-eh.c (verify_eh_throw_stmt_node): New function.
14881 (bsi_remove): Add new argument. Remove EH information
14883 (verify_eh_throw_table_statements): New function.
14884 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
14886 * tree-optimize.c (execute_free_cfg_annotations): Verify
14887 the EH throw statement table after removing annotations.
14888 * except.h (verify_eh_throw_table_statements): Prototype.
14889 * tree-flow.h (bsi_remove): Update prototype.
14890 * tree-vrp.c (remove_range_assertions): Add new argument to
14892 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
14893 * tree-complex.c (expand_complex_div_wide): Likewise.
14894 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
14895 * tree-tailcall.c (eliminate_tailcall): Likewise.
14896 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
14897 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
14898 * tree-nrv.c (tree_nrv): Likewise.
14899 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
14900 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
14901 (combine_blocks): Likewise.
14902 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
14903 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
14904 (cleanup_control_flow): Likewise.
14905 (remove_forwarder_block): Likewise.
14906 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
14907 * tree-sra.c (sra_replace): Likewise.
14908 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
14909 (forward_propagate_single_use_vars): Likewise.
14910 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
14911 * tree-inline.c (expand_call_inline): Likewise.
14912 * tree-vect-transform.c (vect_transform_loop): Likewise.
14913 * tree-outof-ssa.c (rewrite_trees): Likewise.
14914 * tree-cfg.c (make_goto_expr_edges): Likewise.
14915 (cleanup_dead_labels): Likewise.
14916 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
14917 (bsi_move_before, bsi_move_after): Likewise.
14918 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
14919 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
14921 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
14924 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
14926 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
14927 on non gimple variables. Also add checks at the top for decls and
14929 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
14931 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
14932 and IMAGPART_EXPR for creating MUST_DEFs.
14933 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
14934 and NAME_MEMORY_TAG separately from the DECLs.
14936 2006-01-06 Richard Guenther <rguenther@suse.de>
14938 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
14939 annotation, if necessary.
14940 * tree-ssa-pre.c (create_expression_by_pieces): Remove
14941 redundant calls to update_stmt.
14942 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
14945 2006-01-05 Richard Henderson <rth@redhat.com>
14947 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
14949 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14951 * c-typeck.c: Update copyright date.
14953 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14955 * c-typeck.c (build_c_cast): Always warn when casting
14956 from a pointer to an integer of different size, even if
14957 the node was constant.
14959 2006-01-05 Richard Guenther <rguenther@suse.de>
14961 PR tree-optimization/22555
14962 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
14963 if one structure field is an array.
14964 * tree-ssa-operands.c (get_expr_operands): Continue scanning
14965 operands even if we found a subvar, but ignore VOPs in this
14967 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
14969 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
14971 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
14973 PR middle-end/24998
14974 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
14976 2006-01-05 Richard Guenther <rguenther@suse.de>
14977 Diego Novillo <dnovillo@redhat.com>
14979 * tree-pass.h (TODO_remove_unused_locals): Define.
14980 * gimple-low.c (expand_var_p, remove_useless_vars,
14981 pass_remove_useless_vars): Remove. Update all users.
14982 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
14983 (remove_unused_locals): New function.
14984 * tree-flow.h (remove_unused_locals): Declare.
14985 * passes.c (execute_todo): Call remove_unused_locals if
14986 TODO_remove_unused_locals is set.
14987 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
14988 * tree-ssa-dce.c (pass_dce): Likewise.
14989 * tree-outof-ssa.c (pass_del_ssa): Likewise.
14991 2006-01-05 Richard Guenther <rguenther@suse.de>
14993 * tree-flow.h (struct fieldoff): Decompose field to
14994 type, size and decl.
14995 * tree-ssa-alias.c (create_sft): Take type as parameter.
14996 (create_overlap_variables_for): Store type, size and decl
14997 in the fieldoff structure.
14998 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
14999 of struct fieldoff.
15000 (push_fields_onto_fieldstack): Likewise.
15001 (create_variable_info_for): Likewise. Use offset for the
15002 SFT name if the decl is not available.
15004 2006-01-04 Paul Brook <paul@codesourcery.com>
15006 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
15008 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
15010 * lambda-code.c (can_put_in_inner_loop): Relax
15012 (can_put_after_inner_loop): New function.
15013 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
15014 (perfect_nestify): Change to make copies and modify uses.
15016 2006-01-04 Richard Henderson <rth@redhat.com>
15018 Merge from gomp branch:
15019 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
15020 via integer constant.
15021 (pragma_lex): Remove.
15022 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
15023 rather than parsing it.
15024 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
15025 handle_pragma_extern_prefix): Add %< %> quotes.
15026 (registered_pragmas): New.
15027 (c_register_pragma_1): New.
15028 (c_register_pragma): Use it.
15029 (c_register_pragma_with_expansion): Likewise.
15030 (c_invoke_pragma_handler): New.
15031 (init_pragma): Use cpp_register_deferred_pragma directly for
15033 * c-pragma.h (enum pragma_kind): New.
15034 (pragma_handler): New.
15035 (c_invoke_pragma_handler): Declare.
15036 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
15038 * c-common.h (c_common_pch_pragma): Update decl.
15039 * Makefile.in (c-parser.o): Update dependencies.
15040 (GTFILES): Add c-pragma.h.
15041 * c-parser.c (struct c_token): Add pragma_kind.
15042 (struct c_parser): Add in_pragma.
15043 (c_lex_one_token): Always initialize keyword and pragma_kind.
15044 Extract data for CPP_PRAGMA.
15045 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
15046 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
15047 Don't allow CPP_PRAGMA_EOL if in_pragma.
15048 (c_parser_consume_pragma): New.
15049 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
15050 (c_parser_skip_to_end_of_parameter): Likewise.
15051 (c_parser_skip_to_end_of_block_or_statement): Likewise.
15052 (c_parser_skip_to_pragma_eol): New.
15053 (c_parser_external_declaration): Handle CPP_PRAGMA.
15054 (c_parser_compound_statement_nostart): Likewise.
15055 (c_parser_statement_after_labels): Likewise.
15056 (c_parser_pragma): New.
15057 (pragma_lex): Likewise.
15058 (c_parser_pragma_pch_preprocess): New.
15059 (c_parser_new): Merge into ...
15060 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
15062 2006-01-04 Jeff Law <law@redhat.com>
15065 * tree-cfg.c (bsi_replace): Remove the original statement
15066 from the EH throw statement table.
15068 2006-01-04 Jakub Jelinek <jakub@redhat.com>
15070 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
15071 make the prototype extern "C" and add throw ().
15074 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
15075 and pos non-negative and pos + len <= 32.
15076 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
15077 drop pos + len < HOST_BITS_PER_WIDE_INT test.
15078 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
15081 * c-common.c (handle_vector_size_attribute): Reject zero vector size
15082 as well as sizes not multiple of component size.
15085 * function.c (instantiate_expr): New function.
15086 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
15087 walk its DECL_VALUE_EXPR with instantiate_expr.
15089 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
15090 DW_OP_deref{,_size} if address isn't going to be added.
15092 2006-01-04 Ben Elliston <bje@au.ibm.com>
15094 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
15095 * config/fp-bit.c: Likewise.
15097 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
15099 * dominance.c: Add comment about why we use DFS numbering
15102 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15103 Richard Henderson <rth@redhat.com>
15105 Merge from gomp-branch:
15106 * varasm.c (assemble_variable): Handle thread-local COMMON data.
15107 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
15109 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
15111 PR rtl-optimization/25578
15112 * combine.c (combine_simplify_rtx, force_to_mode): Don't
15113 pass a parameter to simplify_shift_const if changing ASHIFTRT
15116 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
15118 * builtins.c (get_builtin_sync_mem): New function.
15119 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
15120 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
15121 Call get_builtin_sync_mem to generate mem rtx.
15123 2006-01-03 Richard Guenther <rguenther@suse.de>
15126 * stmt.c (add_case_node): Make sure to clear overflow flags
15129 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15131 Merge from gomp-branch.
15132 * config/sparc/sync.md: New file.
15133 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
15134 UNSPECV_LDSTUB): New constants.
15135 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
15136 * config/sparc/predicates.md (memory_reg_operand): New predicate.
15137 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
15140 2006-01-03 Roger Sayle <roger@eyesopen.com>
15142 * combine.c (reg_subword_p): New predicate to test whether the
15143 destination of a set refers to a subword/piece of a register.
15144 (try_combine): Generalize the code to merge the setting of a
15145 pseudo to a constant followed by a set of a subword of that
15146 register to a constant.
15148 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
15150 * basic-block.h (control_flow_graph): Change the type of
15151 x_label_to_block_map to VEC(basic_block,gc) *.
15152 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
15153 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
15155 * tree-ssa-propagate.c (cfg_blocks): Change the type to
15156 VEC(basic_block,heap) *.
15157 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
15158 ssa_prop_fini): Adjust the uses of cfg_blocks.
15160 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
15162 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
15164 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
15165 hashing trees instead of a pointer hash.
15166 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
15167 compare for MEM_EXPR.
15169 PR rtl-optimization/25130
15170 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
15171 when comparing MEMs for GCSE
15173 2006-01-03 Ben Elliston <bje@au.ibm.com>
15175 * targhooks.h (default_decimal_float_supported_p): Declare.
15176 * targhooks.c (default_decimal_float_supported_p): Define.
15177 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
15178 `default_decimal_float_supported_p'.
15179 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
15181 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
15183 * combine.c (apply_distributive_law <SUBREG>): Check
15184 TRULY_NOOP_TRUNCATION.
15186 2006-01-02 Geoffrey Keating <geoffk@apple.com>
15188 * dwarf2out.c (have_switched_text_section): Delete.
15189 (have_multiple_function_sections): New.
15190 (have_location_lists): Make 'bool'.
15191 (add_AT_loc_list): Use 'true' not '1'.
15192 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
15193 (output_loc_list): Use have_multiple_function_sections.
15194 (output_ranges): Likewise.
15195 (dwarf2out_begin_function): Set have_multiple_function_sections if
15197 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
15198 Check function_section rather than DECL_SECTION_NAME.
15199 (dwarf2out_finish): Use have_multiple_function_sections.
15200 Don't clear have_location_lists.
15202 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
15203 Jan Hubicka <jh@suse.cz>
15205 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
15206 case of conditional jump jumping to the next instruction.
15207 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
15208 cases of conditional jump jumping to the next instruction.
15210 2006-01-02 Jan Hubicka <jh@suse.cz>
15212 * i386.c (*_cost): Add COSTS_N_INSNS.
15213 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
15215 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
15218 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
15220 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15222 * config/arm/arm.c (all_fpus): Fix comment typo.
15223 * config/darwin.c: Likewise.
15224 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
15225 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
15226 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
15228 2006-01-01 David Edelsohn <edelsohn@gnu.org>
15230 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
15231 (rs6000_split_compare_and_swapqhi): New.
15232 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
15233 (sync_compare_and_swapqhi_internal): New.
15234 * config/rs6000/rs6000-protos.h: Declare.