1 2006-09-25 Matthias Klose <doko@debian.org>
3 * doc/invoke.texi: Add missing full stop.
5 2006-09-25 Richard Henderson <rth@redhat.com>
7 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
8 before cgraph_function_flags_ready.
10 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
11 Adam Nemet <anemet@caviumnetworks.com>
13 * tree-ssa-loop-ivopts.c (aff_combination_convert,
14 determine_common_wider_type): New functions.
15 (get_computation_aff): Use them to simplify arithmetic between
16 UBASE and CBASE if they are shortened from the same type.
18 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
21 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
22 -2147483647 - 1 instead of 0x80000000.
24 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
26 * flags.h (HONOR_NANS): Fix typo in comment.
28 2006-09-23 Uros Bizjak <uros@kss-loka.si>
30 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
32 2006-09-23 Jakub Jelinek <jakub@redhat.com>
36 * tree.c (merge_attributes, attribute_list_contained): If both
37 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
39 * c-typeck.c (comptypes_internal): Don't consider aggregates
40 in different TUs as compatible if there one set of attributes is
41 not a subset of the other type's attributes.
42 (composite_type): Try harder not to create a new aggregate type.
44 2006-09-22 Geoffrey Keating <geoffk@apple.com>
46 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
47 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
48 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
49 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
50 than replicating condition above.
51 * config.host (i[34567]86-*-*): Always use driver-i386.o.
53 * config/darwin.h (LINK_SYSROOT_SPEC): New.
54 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
55 the linker by default.
57 2006-09-22 Mike Stump <mrs@apple.com>
59 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
62 2006-09-22 Richard Guenther <rguenther@suse.de>
65 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
66 sort of stack variables stable.
68 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
71 * explow.c (force_reg): Set REG_POINTER flag according to
74 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
76 PR tree-optimization/28888
77 * tree-if-conv.c (combine_blocks): Rewritten.
78 * tree-cfg.c (tree_verify_flow_info): Check that edges with
79 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
81 2006-09-22 Jakub Jelinek <jakub@redhat.com>
83 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
86 2006-09-21 Richard Sandiford <richard@codesourcery.com>
88 * varasm.c (copy_constant): Fix reversed gcc_assert check.
90 2006-09-21 Janis Johnson <janis187@us.ibm.com>
92 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
94 2006-09-21 Roger Sayle <roger@eyesopen.com>
97 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
98 dw_fde_current_label, to be the start of the function, i.e. the same
99 value as dw_fde_begin.
101 2006-09-20 Richard Sandiford <richard@codesourcery.com>
103 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
104 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
105 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
106 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
107 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
108 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
109 (abs<mode>2, neg<mode>2): Likewise.
110 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
111 (*mips_abs_ps): New define_insn.
113 2006-09-20 Josh Conner <jconner@apple.com>
116 * calls.c (expand_call): Allow reuse of structure return stack
119 2006-09-20 Paul Brook <paul@codesourcery.com>
121 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
124 2006-09-20 Janis Johnson <janis187@us.ibm.com>
126 * doc/extend.texi (Decimal Float): Update for latest draft TR,
127 clean up terminology.
129 2006-09-20 Steve Ellcey <sje@cup.hp.com>
132 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
133 with tablejumps in them.
135 2006-09-20 Jakub Jelinek <jakub@redhat.com>
138 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
139 wrap it into TARGET_EXPR.
141 2006-09-20 Eric Christopher <echristo@apple.com>
143 * config/i386/i386.c (x86_fisttp): Remove.
144 * config/i386/i386.h (x86_fisttp): Ditto.
145 (TARGET_FISTTP): Ditto.
147 2006-09-19 Eric Christopher <echristo@apple.com>
149 * doc/tm.texi (OBJC_JBLEN): Describe.
150 * config/i386/darwin.h (OBJC_JBLEN): Define.
151 * config/rs6000/darwin.h: Ditto.
153 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
155 PR rtl-optimization/21299
156 * reload1.c (reload): Purge invalid ASMs in the final pass.
158 2006-09-19 Steve Ellcey <sje@cup.hp.com>
161 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
162 pointers as legitimate constants.
164 2006-09-19 Paul Brook <paul@codesourcery.com>
167 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
169 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
171 PR tree-optimization/28887
172 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
173 component parts from the reference.
174 (gather_memory_references_ref): Record the reference without the
175 nonaddressable component parts.
177 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
180 * c-opts.c (c_common_handle_option): Ignore the -std options
181 if the input language is assembly.
183 2006-09-17 Ira Rosen <irar@il.ibm.com>
186 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
188 (ptr_ptr_may_alias_p): Likewise.
189 (record_record_differ_p): New function.
190 (base_object_differ_p): Call record_record_differ_p.
192 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
195 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
196 away for the expr argument.
198 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
201 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
202 before using it for dumping after vectorizing loops.
204 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
205 Jack Howarth <howarth@bromo.med.uc.edu>
208 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
209 skip on error_mark_node.
210 (rs6000_darwin64_record_arg_recurse): Likewise.
212 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
214 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
215 * doc/rtl.texi: Remove related documentation.
217 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
219 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
222 2006-09-15 Jim Wilson <wilson@specifix.com>
224 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
225 Handle symbol offsets same as they are handled in ia64_expand_move
228 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
230 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
231 Add forgotten parameter to the fprintf call.
233 2006-09-15 Steve Ellcey <sje@cup.hp.com>
235 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
237 2006-09-15 Uros Bizjak <uros@kss-loka.si>
239 * doc/contrib.texi: Add my entry.
241 2006-09-15 Nick Clifton <nickc@redhat.com>
243 * doc/md.texi (Processor pipeline description): Fix typo in
244 example of how to use the absence_set directive and reword the
245 description to make it slightly easier to read.
247 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
249 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
250 * loop-doloop.c (doloop_optimize): Use it to limit costs of
251 expanding the number of iterations.
252 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
254 * cfgrtl.c (emit_insn_at_entry): New function.
255 * rtl.h (emit_insn_at_entry): Declare it.
256 * integrate.c (emit_initial_value_sets): Use it.
258 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
260 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
262 (struct loop_work and related VEC declarations): Delete.
263 (bfin_dump_loops): Print out new member bad.
264 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
265 (bfin_scan_loop): Don't recurse.
266 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
267 loops. No longer need to update outer loops if the current one is
268 found bad. Move some validitiy checks to bfin_discover_loop.
269 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
270 but changed not to check for nesting. Also changed to use the new bad
272 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
273 time. Use bitmap based test to discover loop nesting.
275 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
277 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
280 2006-09-14 Richard Guenther <rguenther@suse.de>
281 Kazu Hirata <kazu@codesourcery.com>
284 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
285 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
286 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
287 with TARGET_FUNCTION_VALUE.
289 2006-09-14 Anatoly Sokolov <aesok@post.ru>
292 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
294 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
296 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
299 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
302 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
305 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
307 * basic_block.h (bb_has_eh_pred): Fix comment.
309 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
311 * flow.c (calculate_global_regs_live): Invalidate eh registers
312 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
313 (propagate_block): Handle eh registers as if they were set at basic
315 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
317 * global.c (global_conflicts): Make eh registers to conflict with
318 pseudos live at basic block begin.
319 * basic_block.h (bb_has_eh_pred): New function.
321 2006-09-13 Richard Sandiford <richard@codesourcery.com>
323 PR rtl-optimization/28982
324 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
325 index of a PRE_MODIFY or POST_MODIFY address.
326 * reload1.c (inc_for_reload): Use find_replacement on the original
327 base and index registers.
329 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
331 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
332 for -Os. Update __m128 alignment requirement.
334 2006-09-13 Jan Hubicka <jh@suse.cz>
336 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
338 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
340 PR rtl-optimization/28243
341 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
342 the insn to which the note was originally attached.
344 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
345 Roger Sayle <roger@eyesopen.com>
347 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
348 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
349 on platforms that don't use dwarf for debug info.
351 2006-09-12 Jason Merrill <jason@redhat.com>
354 * builtins.c (expand_builtin_setjmp_receiver): Clobber
355 hard_frame_pointer_rtx after using it to update the frame pointer.
357 2006-09-12 Roger Sayle <roger@eyesopen.com>
359 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
360 (TARGET_ASM_CLOSE_PAREN): Likewise.
361 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
362 (TARGET_ASM_CLOSE_PAREN): Likewise.
364 2006-09-12 Roger Sayle <roger@eyesopen.com>
367 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
368 frame information for frames larger than 512 Kbytes on Tru64 when
369 using the native assembler.
371 2006-09-12 Roger Sayle <roger@eyesopen.com>
375 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
376 and symbols. Instead use the implementation from cse.c's hash_rtx.
378 2006-09-12 Jan Hubicka <jh@suse.cz>
380 PR rtl-optimization/28071
381 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
382 (vect_transform_loop): Likewise.
383 * tree-vectorizer.c (new_loop_vec_info): Likewise.
384 (new_loop_vec_info): Likewise.
385 (destroy_loop_vec_info): Likewise.
386 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
387 (create_stmt_ann): Likewise.
388 (create_tree_ann): Rename to ...
389 (create_tree_common_ann): ... this one; allocate only the common part
391 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
392 (get_value_handle): Likewise.
393 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
395 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
396 (vinfo_for_stmt): Use stmt annotations.
397 * tree-flow.h (tree_ann_common_t): New type.
398 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
399 (tree_ann, get_tree_ann, create_tree_ann): New.
400 * tree-flow-inline.h (get_function_ann): Do more type checking.
401 (stmt_ann): Likewise.
402 (tree_ann): Rename to ...
403 (tree_common_ann): ... this one; return ony common_ann
404 (get_tree_ann): Rename to ...
405 (tree_common_ann): This one; return only common_ann.
406 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
409 2006-09-11 Geoffrey Keating <geoffk@apple.com>
411 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
414 * dwarf2out.c (dwarf_file_data): New.
415 (enum dw_val_class): Add dw_val_class_file.
416 (struct dw_val_struct): Add val_file.
417 (file_table): Change to a hash table.
418 (file_table_emitted): Delete.
419 (file_table_last_lookup_index): Delete.
421 (last_emitted_file): New.
422 (lookup_filename): Change prototype to return a struct dwarf_file_data.
423 (init_file_table): Delete.
424 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
425 (AT_addr): Add comment.
429 (print_die): Handle dw_val_class_file.
430 (print_dwarf_line_table): Update for new file table structure.
431 (attr_checksum): Do checksum a filename.
432 (same_dw_val_p, same_attr_p): Do compare a filename.
433 (size_of_die): Handle dw_val_class_file.
434 (value_format): Likewise.
435 (output_die): Likewise. Also, call maybe_emit_file here.
436 (struct file_info): Constify filenames. Make file_idx a pointer
437 to a struct dwarf_file_data.
438 (struct dir_info): Constify directory names. Remove 'used' field.
439 (struct file_name_acquire_data): New.
440 (file_name_acquire): New.
441 (output_file_names): Modify to handle new file data structures.
442 (add_src_coords_attributes): Use add_AT_file.
443 (add_call_src_coords_attributes): Likewise.
444 (dwarf2out_imported_module_or_decl): Likewise.
445 (gen_subprogram_die): Modify for new file data structures.
446 (gen_variable_die): Likewise.
447 (file_table_eq): New.
448 (file_table_hash): New.
449 (file_table_last_lookup): New.
450 (lookup_filename): Rewrite to handle new file data structures.
451 (maybe_emit_file): Rewrite to handle new file data structures.
452 (dwarf2out_source_line): Always call lookup_filename and
454 (dwarf2out_init): Create file_table here.
455 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
456 (file_table_relative_p): New.
457 (dwarf2out_finish): Change detection of relative filenames
458 to work with new file data structures. Move output_line_info call
459 after debug_info output.
461 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
466 * config/i386/i386.c (override_options): Always default to 16
469 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
472 * var-tracking.c (dump_dataflow_set): Start dumping at
474 (clobber_variable_part): Kill only the variable part in
475 registers holding it, leaving other variables alone.
477 2006-09-11 Josh Triplett <josh@freedesktop.org>
479 * doc/extend.texi (Other Builtins): Actually use the macro
480 argument in the documentation example for
481 __builtin_types_compatible_p.
483 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
485 PR rtl-optimization/28726
486 * sched-deps.c (sched_analyze_reg): New function extracted from...
487 (sched_analyze_1): ...here. Call it to analyze references to
488 registers. Treat again writes to a stack register as writing to the
490 (sched_analyze_2): ...and here. Call it to analyze references to
491 registers. Treat again reads of a stack register as reading the
494 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
495 David Edelsohn <edelsohn@gnu.org>
498 * config/rs6000/spe.md (frob_df_di): Remove %H.
499 (frob_di_df): Remove %H. Change evmergelo to mr.
500 (frob_di_df_2): Remove %H. Change evldd to two loads.
502 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
504 * doc/cpp.texi: Fix names of charset options.
506 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
509 * config/i386/i386.c (override_options): Use 128-bit
510 stack boundary always for 64bits.
512 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
514 PR rtl-optimization/28636
515 * combine.c (force_to_mode): Test for side-effects before
516 substituting by zero.
517 (simplify_shift_const): Likewise for zero or other constants.
519 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
522 * builtins.c (expand_builtin_setjmp): Force next_lab to be
525 2006-09-10 Richard Sandiford <richard@codesourcery.com>
528 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
529 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
530 returned by mode_for_size, rather than the mode of src itself,
531 to choose between 32-bit and 64-bit patterns.
532 (mips_mem_fits_mode_p): New function.
533 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
534 that the size of the source matches the size of the destination.
535 (mov_<store>l, mov_<store>r): Likewise.
537 2006-09-10 Eric Christopher <echristo@apple.com>
539 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
542 2006-09-09 Eric Christopher <echristo@apple.com>
545 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
548 2006-09-09 Roger Sayle <roger@eyesopen.com>
549 Nicolas Setton <setton@adacore.com>
551 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
553 2006-09-10 Andreas Schwab <schwab@suse.de>
555 * config/m68k/m68k.md (bungt_rev): New pattern.
557 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
558 Dale Johannesen <dalej@apple.com>
561 * regclass.c (struct reg_pref): Update documentation.
562 (regclass): Set prefclass to NO_REGS if memory is the best option.
563 (record_reg_classes): Cope with a prefclass set to NO_REGS.
565 2006-09-08 Eric Christopher <echristo@apple.com>
567 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
568 * config/t-slibgcc-darwin: Support x86_64 multilib.
569 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
570 Return 1 for x86_64-darwin.
571 * config/i386/t-darwin: Add m64 multilib.
572 (LIB2_SIDITI_CONV_FUNCS): Use.
573 (LIB2FUNCS_EXTRA): Ditto.
574 * config/i386/darwin.h: Support x86_64.
575 * config/i386/i386.c (override_options): Turn on flag_pic
576 for x86_64-darwin. Disable flag_omit_pointer.
577 (get_pc_thunk_name): Assert !TARGET_64BIT.
578 (legitimate_address_p): Disable machopic addressing for
580 (legitimize_pic_address): Ditto.
581 (ix86_expand_move): Ditto.
582 (ix86_expand_call): Ditto.
583 (machopic_output_stub): Ditto.
584 * config/darwin.c (machopic_select_section): Support literal16.
585 (machopic_select_rtx_section): Ditto.
586 * config/darwin-sections.def: Ditto.
587 * config/darwin-64.c: New.
589 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
592 * c-tree.h (struct c_arg_info): Add pending_sizes.
593 * c-parser.c (c_parser_parms_declarator,
594 c_parser_parms_list_declarator): Initialize pending_sizes.
595 * c-decl.c (get_parm_info): Initialize pending_sizes.
596 (get_parm_info): Set pending_sizes.
597 (grokdeclarator): Call put_pending_sizes for parameters for
598 function definition only.
600 2006-09-07 Jason Merrill <jason@redhat.com>
603 * varasm.c (output_constant): Only strip actual no-op conversions.
606 * config/i386/i386.c (override_options): Use 128-bit
607 stack boundary if -msse.
609 2006-09-07 Eric Christopher <echristo@apple.com>
611 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
613 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
616 2006-09-07 Geoffrey Keating <geoffk@apple.com>
618 * dwarf2out.c: Remove strange characters from comment above
619 dwarf2out_frame_debug_expr.
621 2006-09-07 Eric Christopher <echristo@apple.com>
623 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
624 * config/darwin.h: ... to here.
626 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
628 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
630 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
631 (TARGET_PARTIAL_FLAG_REG_STALL): New.
633 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
634 TARGET_PARTIAL_FLAG_REG_STALL.
635 (*ashldi3_cconly_rex64): Likewise.
636 (*ashlsi3_cmp): Likewise.
637 (*ashlsi3_cconly): Likewise.
638 (*ashlsi3_cmp_zext): Likewise.
639 (*ashlhi3_cmp): Likewise.
640 (*ashlhi3_cconly): Likewise.
641 (*ashlqi3_cmp): Likewise.
642 (*ashlqi3_cconly): Likewise.
643 (*ashrdi3_cmp_rex64): Likewise.
644 (*ashrdi3_cconly_rex64): Likewise.
645 (*ashrsi3_cmp): Likewise.
646 (*ashrsi3_cconly): Likewise.
647 (*ashrsi3_cmp_zext): Likewise.
648 (*ashrhi3_cmp): Likewise.
649 (*ashrhi3_cconly): Likewise.
650 (*ashrqi3_cmp): Likewise.
651 (*ashrqi3_cconly): Likewise.
652 (*lshrdi3_cmp_rex64): Likewise.
653 (*lshrdi3_cconly_rex64): Likewise.
654 (*lshrsi3_cmp): Likewise.
655 (*lshrsi3_cconly): Likewise.
656 (*lshrsi3_cmp_zext): Likewise.
657 (*lshrhi3_cmp): Likewise.
658 (*lshrhi3_cconly): Likewise.
659 (*lshrqi2_cmp): Likewise.
660 (*lshrqi2_cconly): Likewise.
662 2006-09-07 Uros Bizjak <uros@kss-loka.si>
665 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
666 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
667 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
668 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
669 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
670 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
671 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
672 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
673 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
674 implement only CC setting effects of shift instructions.
676 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
678 * doc/contrib.texi: Add myself.
680 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
683 * stor-layout.c (relayout_decl): Don't zero the alignment if it
686 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
689 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
690 (divsi_inv_m1): Use them.
691 (UNSPEC_DIV_INV_TABLE): New constant.
693 2006-09-06 James E Wilson <wilson@specifix.com>
696 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
697 then call count_or_remove_death_notes.
699 2006-09-06 Jason Merrill <jason@redhat.com>
702 * tree-inline.c (copy_result_decl_to_var): New fn.
703 (declare_return_variable): Use it. Call declare_inline_vars here.
704 (expand_call_inline): Not here.
706 2006-09-06 Diego Novillo <dnovillo@redhat.com>
708 * doc/contrib.texi: Update my entry.
710 2006-09-06 Nick Clifton <nickc@redhat.com>
712 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
714 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
717 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
718 (canonicalize_induction_variables): Likewise.
719 (tree_unroll_loops_completely): Likewise.
720 (tree_ssa_prefetch_arrays): Likewise.
721 (remove_empty_loops): Likewise.
722 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
723 TODO_cleanup_cfg instead of directly calling
724 cleanup_tree_cfg_loop.
725 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
727 (tree_unroll_loops_completely): Likewise.
728 (remove_empty_loops): Likewise.
729 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
730 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
731 of tree_ssa_unswitch_loops.
732 (tree_ssa_loop_ivcanon): Use the return value of
733 canonicalize_induction_variables.
734 (tree_ssa_empty_loop): Use the return value of
736 (tree_complete_unroll): Use the return value of
737 tree_unroll_loops_completely.
738 (tree_ssa_loop_prefetch): Use the return value of
739 tree_ssa_prefetch_arrays.
740 * passes.c (execute_todo): Before Cleanup CFG, set
741 updating_used_alone and after cleanup CFG, call
742 recalculate_used_alone.
744 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
747 * tree-vect-transform.c (vectorizable_condition): Move the check
748 for the type after the check for simple condition.
750 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
751 Kaz Kojima <kkojima@gcc.gnu.org>
754 * mode-switching.c (optimize_mode_switching): Make the destination
755 block of an abnormal edge have no anticipatable mode. Don't
756 insert mode switching code at the end of the source block of
759 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
761 PR rtl-optimization/26847
762 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
763 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
764 (simplify_plus_minus): Count n_constants while filling ops. Replace
765 qsort with insertion sort. Before going through the array to simplify
766 pairs, sort it. Delay early exit until after the first sort, exiting
767 only if no swaps occurred. Simplify pairs in reversed order, without
768 special-casing the first iteration. Pack ops after simplifying pairs.
770 2006-09-05 Anatoly Sokolov <aesok@post.ru>
772 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
773 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
774 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
775 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
777 2006-09-05 Richard Guenther <rguenther@suse.de>
779 PR tree-optimization/28900
780 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
781 compound conditional before creating COND_EXPR condition.
783 2006-09-05 Richard Guenther <rguenther@suse.de>
785 PR tree-optimization/28905
786 * tree-vrp.c (fix_equivalence_set): Manually implement
787 !value_ranges_intersect_p to also handle symbolic ranges.
789 2006-09-05 Richard Guenther <rguenther@suse.de>
792 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
795 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
797 PR rtl-optimization/27616
798 * cse.c (table_size): New static variable.
799 (new_basic_block): Initialize it to 0.
800 (remove_from_table): Decrement it.
801 (insert): Increment it.
802 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
803 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
804 fold_rtx_mem_1 if under the cap.
805 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
806 the lookup of the equivalent expression and test for equality of the
807 first operand of the equivalent expression before in turn looking up
808 an equivalent constant for the second operand.
810 2006-09-02 Geoffrey Keating <geoffk@apple.com>
813 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
814 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
815 pointer, instead of assuming it is possible to derive the
816 correct args size from a call insn.
818 2006-09-02 Jakub Jelinek <jakub@redhat.com>
821 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
822 (fold_builtin_mempcpy): Rename to...
823 (fold_builtin_memory_op): ... this. Optimize one element copy
825 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
827 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
828 (expand_builtin_memcpy, expand_builtin_mempcpy,
829 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
830 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
831 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
832 BUILT_IN_MEM{CPY,PCPY,MOVE}.
834 2006-09-01 DJ Delorie <dj@redhat.com>
836 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
838 ("stzx_24_<mode>"): Likewise.
839 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
840 ("cmp<mode>_op"): New.
841 (cmp<mode>): Change to expander; just save operands.
843 (b<code>): Change to expander, emit compare here.
844 (s<code>_op): Change to use split and expander.
845 (s<code>_24_op): Likewise.
846 (s<code>_<mode>): New.
847 (s<code>_<mode>_24): New.
848 (movqicc_<code>_<mode): New.
849 (movhicc_<code>_<mode>): New.
852 * config/m32c/m32c.c (compare_op0, compare_op1): New.
853 (m32c_pend_compare): New.
854 (m32c_unpend_compare): New.
855 (m32c_expand_scc): New.
856 (m32c_expand_movcc): Emit the compare also.
857 * config/m32c/predicates.md (mra_nopp_operand): New.
859 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
860 Richard Guenther <rguenther@suse.de>
861 Adam Nemet <anemet@caviumnetworks.com>
864 * builtins.c (get_pointer_alignment): Handle more forms
865 of base addresses that can be used to derive more precise
866 information about alignment.
868 2006-09-01 Jason Merrill <jason@redhat.com>
871 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
874 * gimplify.c (voidify_wrapper_expr): Handle null type.
876 2006-09-01 Josh Conner <jconner@apple.com>
879 * tree-nrv.c (dest_safe_for_nrv_p): New function.
880 (execute_return_slot_opt): Use it.
882 2006-08-31 Josh Conner <jconner@apple.com>
885 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
886 returning aggregates.
888 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
890 PR tree-optimization/28839
891 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
892 blocks in that phi arguments appear.
894 2006-08-31 Roger Sayle <roger@eyesopen.com>
897 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
898 NULL, otherwise use an advance_loc4 to adjust relative to the
900 (output_cfi) <DW_CFA_set_loc>: Update the current label.
901 (dwarf2out_switch_text_section): Reset the current label to avoid
902 using advance_loc4 over section boundaries.
904 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
907 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
908 r12 + SYMBOLIC_CONST.
910 2006-08-30 Richard Guenther <rguenther@suse.de>
912 * Makefile.in (see.o): Add $(EXPR_H) dependency.
914 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
916 PR rtl-optimization/27735
917 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
918 Add new argument to keep track of whether an irreducible region
919 was affected. All callers changed.
920 (fix_irreducible_loops): Removed.
921 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
922 flags were invalidated.
924 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
926 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
927 instead of SF operands.
928 (*fop_df_comm_sse): Likewise.
929 (*fop_df_comm_i387): Likewise.
930 (*fop_df_1_mixed): Likewise.
931 (*fop_df_1_sse): Likewise.
933 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
934 J"orn Rennecke <joern.rennecke@st.com>
936 PR tree-optimization/17506
937 * tree-ssa.c (warn_uninit): If warning about a location outside of
938 the current function, note where the variable was declared.
940 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
942 PR tree-optimization/28411
943 * double-int.c (double_int_div): Use double_int_divmod.
944 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
945 double_int_mod, double_int_smod, double_int_umod): New functions.
946 * double-int.h (double_int_divmod, double_int_sdivmod,
947 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
949 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
951 (get_computation_aff, get_computation_cost_at): Handle double_int
952 return type of constant_multiple_of.
954 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
957 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
958 an implicit conversion.
960 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
962 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
964 2006-08-27 Roger Sayle <roger@eyesopen.com>
966 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
969 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
971 * config/i386/crtfastmath.c: Fix a comment typo.
973 2006-08-26 Roger Sayle <roger@eyesopen.com>
975 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
976 temporary visit flags on CASE_LABEL_EXPRs.
977 * c-common.c (match_case_to_enum): Add function comment. Avoid
978 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
979 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
980 CASE_HIGH_SEEN for enumerated types. If the switch expression is
981 a constant, only warn if that constant value isn't handled.
983 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
986 * input.h (restore_input_file_stack): Declare.
987 (INPUT_FILE_STACK_BITS): Define.
988 * toplev.c (fs_p, input_file_stack_history,
989 input_file_stack_restored, restore_input_file_stack): New.
990 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
991 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
992 (pop_srcloc): Don't free old state of stack.
994 2006-08-26 David Edelsohn <edelsohn@gnu.org>
997 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
998 (PowerPC Type Attributes): New.
1000 2006-08-26 Bob Wilson <bob.wilson@acm.org>
1002 * config/xtensa/xtensa.c (function_arg_boundary): New.
1003 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
1005 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
1006 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
1008 2006-08-26 Jakub Jelinek <jakub@redhat.com>
1011 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
1014 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1016 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
1017 (verify_local_live_at_start): Likewise.
1019 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1022 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
1023 omp_add_variable): Treat sizes as variable whenever not
1026 2006-08-26 Richard Guenther <rguenther@suse.de>
1029 * fold-const.c (fold_binary): Fold temporary to correct
1030 type before constructing new comparison.
1032 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
1035 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
1036 variable again if DECL_SEEN_IN_BIND_EXPR_P.
1038 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1041 * c-decl.c (start_function): Don't try to process prototype
1042 information from old declaration that isn't a function.
1044 2006-08-25 Jan Hubicka <jh@suse.cz>
1047 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
1049 2006-08-25 Alan Modra <amodra@bigpond.net.au>
1052 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
1055 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
1057 PR tree-optimization/16876
1058 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
1059 exit if PARM doesn't match VALUE.
1061 2006-08-25 Bob Wilson <bob.wilson@acm.org>
1063 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
1064 literal_prefix directive.
1065 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
1066 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1067 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1069 2006-08-25 David Edelsohn <edelsohn@gnu.org>
1072 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
1073 predicate to general_operand. Add 0->y and I->r alternatives.
1075 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
1077 * doc/tm.texi: Fix a typo.
1078 * predict.c: Fix comment typos.
1080 2006-08-25 Nick Clifton <nickc@redhat.com>
1082 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
1083 assertions of "cpu" and "machine".
1085 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
1088 * tree-ssa-operands.c (access_can_touch_variable): Don't say
1089 the access through a base which has an alias set of 0 cannot
1092 2006-08-24 Bill Wendling <wendling@apple.com>
1094 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
1096 2006-08-24 Jan Hubicka <jh@suse.cz>
1098 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
1100 2006-08-24 Jan Hubicka <jh@suse.cz>
1103 * cgraph.c: Fix comments.
1104 (cgraph_varpool_mark_needed_node): Mark only variables not already
1106 * cgraphunit.c: Update comments; include gt-cgraphunit.h
1107 (cgraph_varpool_assembled_nodes_queue): New static variable.
1108 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
1109 (cgraph_varpool_output_debug_info): New function.
1110 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
1111 * Makefile.in: Add gt-cgraphunit.h
1113 2006-08-24 Jan Hubicka <jh@suse.cz>
1115 * predict.c (probability_reliable_p): New predicate.
1116 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
1117 (predict_loops): Do not predict loop exit with less than 2%
1119 * basic-block.h (edge_probability_reliable_p,
1120 br_prob_note_reliable_p): Declare.
1121 * ia64.h (ia64_print_operand): Do not disable on-chip branch
1122 prediction when static predictor is not reliable.
1123 * rs6000.c (output_cbranch): Likewise.
1125 2006-08-23 Stuart Hastings <stuart@apple.com>
1128 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
1129 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
1131 2006-08-21 Geoffrey Keating <geoffk@apple.com>
1134 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
1135 complex values, nor for generic vector values.
1137 2006-08-22 Richard Guenther <rguenther@suse.de>
1140 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
1141 parameter. Convert arguments to arithmetic expression to the
1143 (analyze_scalar_evolution_1): Adjust caller.
1145 2006-08-22 Jan Hubicka <jh@suse.cz>
1147 Patch by Paolo Bonzini
1148 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
1151 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
1153 PR tree-optimization/28003
1154 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
1155 before grouping aliases.
1157 2006-08-22 Roger Sayle <roger@eyesopen.com>
1159 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
1160 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
1162 2006-08-21 Jason Merrill <jason@redhat.com>
1165 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
1166 wrapper. Loop to handle nested wrappers.
1167 (gimplify_bind_expr): Remove temp parameter.
1168 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
1169 and STATEMENT_LIST on the rhs.
1170 (gimplify_statement_list): Voidify the STATEMENT_LIST.
1171 (gimplify_expr): Pass pre_p to gimplify_statement_list.
1172 (gimplify_target_expr): Remove special BIND_EXPR handling.
1174 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
1176 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
1179 2006-08-21 Olivier Hainque <hainque@adacore.com>
1181 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
1182 Arrange for the temporary captures of components overlapping the lhs
1183 to happen before the lhs is possibly cleared.
1185 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
1187 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
1188 necessary places to pass the correct "number of registers" values
1191 2006-08-20 Jan Hubicka <jh@suse.cz>
1193 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
1194 (create_name_tags): Instead of quadratic checking use hashtable.
1195 * bitmap.h: Include hashtab.h.
1196 (bitmap_hash): Declare.
1197 * bitmap.c (bitmap_hash): New function.
1199 2006-08-20 Jan Hubicka <jh@suse.cz>
1201 PR rtl-optimization/28071
1202 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
1204 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
1205 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
1206 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
1207 cgraph_decide_inlining_incrementally): Update use of
1208 cgraph_check_inline_limits.
1209 * cgraph.c (edge_hash, edge_eq): New function.
1210 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
1211 cgraph_edge_remove_caller, cgraph_node_remove_callees,
1212 cgraph_remove_node): Maintain call site hash.
1213 * cgraph.h (struct cgraph_node): Add call_site_hash.
1214 (cgraph_set_call_stmt): New function.
1216 2006-08-20 Jan Hubicka <jh@suse.cz>
1218 PR rtl-optimization/28071
1219 * reload1.c (reg_has_output_reload): Turn into regset.
1220 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
1221 choose_reload_regs, emit_reload_insns): Update to new
1222 reg_has_output_reload.
1224 2006-08-20 Jan Hubicka <jh@suse.cz>
1227 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
1228 function body sizes.
1229 * cgraphunit.c (cgraph_analyze_function): Don't do so.
1231 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
1234 * tree.c (handle_dll_attribute): Return early if not a
1235 var or function decl.
1237 2006-08-18 Joseph Myers <joseph@codesourcery.com>
1240 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
1241 alignment of SPE vector types.
1243 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
1245 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
1247 2006-08-17 Jakub Jelinek <jakub@redhat.com>
1250 * cgraph.h (struct cgraph_node): Remove externally_visible
1252 * cgraphunit.c (process_function_and_variable_attributes): Set
1253 local.externally_visible rather than externally_visible.
1256 * c-common.c (handle_externally_visible_attribute): First look
1257 at TREE_CODE and only if it is function or var decl, check for
1258 non-public objects. Don't warn for DECL_EXTERNAL.
1259 * cgraphunit.c (process_function_and_variable_attributes): Warn
1260 if externally_visible attribute is used on non-public object.
1262 2006-08-17 Jan Hubicka <jh@suse.cz>
1264 PR tree-optimization/27865
1265 * reload1.c (forget_marked_reloads): New function.
1266 (forget_old_reloads_1): When data are passed, just mark the registers
1268 (reload_as_needed): Use the new mechanizm.
1270 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
1273 * reload.h (reg_equiv_alt_mem_list): New declaration.
1274 * reload1.c (reg_equiv_alt_mem_list): New definition.
1275 (reload): Initialize it and release it.
1276 (delete_output_reload): Use it.
1277 * reload.c (push_reg_equiv_alt_mem): New function.
1278 (find_reloads_toplev): Call it.
1279 (find_reloads_address, find_reloads_address_1): Likewise.
1280 (find_reloads_subreg_address): Likewise.
1282 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1284 PR rtl-optimization/28489
1285 * sched-ebb.c (begin_schedule_ready): Create basic block
1287 (advance_target_bb): Skip empty blocks.
1288 * haifa-sched.c (bb_note): Make global.
1289 * sched-int.h (bb_note): Add prototype.
1291 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1293 PR tree-optimization/27865
1294 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
1296 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
1297 fold_used_pointer, pointer_used_p): New functions.
1298 (analyze_scalar_evolution_1): Use fold_used_pointer.
1299 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
1300 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
1303 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
1306 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
1307 or the INTEGER_CST. Fail on a CALL_EXPR.
1308 (fold_offsetof): Pass new argument to fold_offsetof_1.
1309 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
1310 operand into an INDIRECT_REF.
1311 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
1313 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1315 PR gcov/profile/26570
1316 * value-prof.c (static_values): Removed.
1317 (tree_find_values_to_profile): Do not set static_values.
1318 (find_values_to_profile): Do not free static_values.
1319 * profile.c (instrument_values): Do not free the values.
1320 (branch_prob): Free the values.
1322 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
1324 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
1326 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
1329 * c-typeck.c (build_component_ref): Combine qualifiers of
1330 structure or union and field.
1332 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1334 PR rtl-optimization/28071
1335 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
1336 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
1337 * tree-into-ssa.c (struct dom_dfsnum): New.
1338 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
1340 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
1341 compute_global_livein.
1342 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
1343 in phi nodes in the correct blocks.
1345 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1347 PR tree-optimization/28364
1348 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
1350 (fold_affine_expr): New function.
1351 (may_eliminate_iv): Use fold_affine_expr.
1353 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1356 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
1359 2006-08-16 Mike Stump <mrs@apple.com>
1361 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
1362 * doc/cppopts.texi (-MD): Likewise.
1364 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
1367 * c-common.c (handle_weak_attribute): Ignore and warn if
1368 not a FUNCTION_ or VAR_DECL.
1370 2006-07-15 Mike Stump <mrs@apple.com>
1373 * c-parser.c (c_parser_typeof_specifier): Don't use
1374 c_finish_expr_stmt, open code desired semantics instead.
1376 2006-08-15 Nick Clifton <nickc@redhat.com>
1378 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
1379 fragment to tmake_file only if threads are enabled.
1380 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
1381 * config/i386/t-gthr-win32: New file. ... here.
1383 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1386 * c-parser.c (c_parser_compound_statement_nostart): Reset
1387 parser->error after each statement.
1389 2006-08-15 Jakub Jelinek <jakub@redhat.com>
1392 * omp-low.c (lower_omp_parallel): Convert t to
1393 receiver_decl's type.
1394 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
1395 source before comparison.
1398 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
1399 to itype in assignment to oldival2.
1401 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
1405 * c-typeck.c (build_compound_expr): If the second expression
1406 is an error mark, then just return an error mark instead of
1407 creating a COMPOUND_EXPR.
1409 2006-07-14 Mike Stump <mrs@apple.com>
1411 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
1413 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
1415 * c-decl.c, var-tracking.c: Fix comment typos.
1417 2006-08-14 Richard Sandiford <richard@codesourcery.com>
1419 PR rtl-optimization/28634
1420 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
1421 for floating-point modes unless flag_unsafe_math_optimizations.
1423 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
1424 Andrew Pinski <pinskia@physics.uc.edu>
1427 * tree.c (build_array_type): Unify array types with
1428 unspecified index_type.
1429 * c-decl.c (grokdeclarator): Make sure we do not modify a
1430 unified incomplete array type.
1431 * c-typeck.c (store_init_value): Create distinct type before
1432 filling in the index type in an initializer from a compound
1435 * c-decl.c (grokdeclarator): Remove code where we copy the
1438 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
1440 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
1441 into account for TODO_dump_cgraph.
1442 (TODO_update_ssa_no_phi): Likewise.
1443 (TODO_update_ssa_full_phi): Likewise.
1444 (TODO_update_ssa_only_virtuals): Likewise.
1445 (TODO_remove_unused_locals): Likewise.
1446 (TODO_set_props): Likewise.
1447 (TODO_update_stmt_usage): Likewise.
1449 2006-08-13 Dirk Mueller <dmueller@suse.de>
1451 * c-common.c (strict_aliasing_warning): Fix formatting.
1453 2006-08-13 Matthias Klose <doko@debian.org>
1455 * doc/invoke.texi: Fix spelling errors.
1457 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1459 PR rtl-optimization/23454
1460 * reorg.c (relax_delay_slots): Update comment.
1462 2006-08-11 Richard Guenther <rguenther@suse.de>
1465 * simplify-rtx.c (simplify_const_relational_operation):
1466 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
1469 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
1471 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
1472 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
1474 2006-08-10 Paul Brook <paul@codesourcery.com>
1476 * final.c (final_scan_insn): Clear current_insn_predicate before
1477 outputting inline asm.
1479 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
1481 PR tree-optimization/26197
1482 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
1483 get_ref_base_and_extent and overlap_subvar to add only relevant
1484 subvars as may-aliases.
1485 (add_may_alias_for_new_tag): New function, factored out of
1487 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
1488 with additional argument.
1489 * tree-flow.h (new_type_alias): Takes additional argument.
1491 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
1493 * gcov.c (no_data_file): New flag.
1494 (read_count_file): Set it if data file not present. Assume counts
1496 (output_lines): Don't name the data file, if there wasn't one.
1498 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
1500 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
1501 (rs6000_generate_compare): Tweak comments.
1502 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
1504 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
1506 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
1507 (var_debug_decl): New function.
1508 (var_reg_set): Follow debug decl link. Add location even if
1509 reg is already known to hold some other variable.
1510 (var_mem_set): Follow debug decl link.
1511 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
1512 decl link. Delete other known locations of the variable part
1514 (var_reg_delete, var_mem_delete): Delete other known locations
1515 of the variable part if requested.
1516 (same_variable_part_p): New function.
1517 (add_stores): Select MO_COPY when appropriate.
1518 (vt_initialize): Handle it.
1519 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
1520 known locations for MO_SET and MO_CLOBBER.
1521 (find_variable_location_part): New function.
1522 (set_variable_part, delete_variable_part): Use it.
1523 (clobber_variable_part): New function.
1524 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
1527 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
1529 PR tree-optimization/26969
1530 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
1531 with an empty list of PHIs.
1533 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
1537 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
1540 2006-08-06 Andreas Schwab <schwab@suse.de>
1542 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
1543 string. Whitespace and comment fixup.
1545 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1548 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
1552 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
1555 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
1557 2006-08-04 Jan Hubicka <jh@suse.cz>
1561 * reload.c (push_reload): Patch out the mismatching instruction;
1563 (find_reload): Bail out if the instruction was patched out.
1565 2006-08-04 Jan Hubicka <jh@suse.cz>
1567 PR tree-optimization/24888
1568 * tree-inline.c (expand_call_inline): Do not re-record variables.
1569 (declare_inline_vars): Add variable to unexpanded_var_list.
1571 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1572 Roger Sayle <roger@eyesopen.com>
1574 PR rtl-optimization/26244
1575 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
1576 inner_const are negative or greater than or equal to the bitsize of
1577 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
1578 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
1579 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
1580 CONST0_RTX (mode) when the new shift count is greater than or equal to
1581 to the bitsize of the object being shifted and XEXP (y, 0) has no side
1584 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
1586 * tree-cfg.c: Fix a comment typo.
1588 2006-08-03 Mark Mitchell <mark@codesourcery.com>
1591 * varasm.c (output_constant): Give the front end another chance to
1592 expand constants, after stripping NOPs.
1594 2006-08-03 Jan Hubicka <jh@suse.cz>
1596 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
1599 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
1601 PR tree-optimization/27770
1602 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
1603 declaration removed (moved to tree-flow.h).
1604 (vect_can_force_dr_alignment_p): Likewise.
1605 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
1606 (moved from tree-vectorizer.h).
1607 (vect_can_force_dr_alignment_p): Likewise.
1608 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
1609 from outside the vectorizer - in particular from cgraph stage.
1610 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
1611 the alignment of global arrays when -fsection-anchors is enabled.
1612 * cgraphunit.c (cgraph_increase_alignment): New function.
1613 (cgraph_optimize): Call cgraph_increase_alignment.
1615 2006-08-03 David Edelsohn <edelsohn@gnu.org>
1618 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
1619 not reload a SPE symbol_ref into a lo_sum address.
1621 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
1624 * dwarf2out.c (prune_unused_types_prune): Move call to
1625 prune_unused_types_update_strings to cover the parent DIE also.
1627 2006-08-02 Jan Hubicka <jh@suse.cz>
1629 PR gcov/profile/28480
1630 * tree-cfg.c (change_bb_for_stmt): New function.
1631 (tree_merge_blocks, tree_split_blocks): Use it.
1633 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1639 * toplev.c (compile_file): Return early on errorcount or sorrycount.
1640 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
1641 (cgraph_optimize): Likewise.
1643 2006-08-01 Stuart Hastings <stuart@apple.com>
1645 * rtl.h (UINTVAL) New.
1646 * config/rs6000/rs6000.c (SMALL_INT) Use it.
1647 * testsuite/gcc.dg/20060801-1.c: New.
1649 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
1652 * c-typeck.c (build_external_type): Mark used enum types.
1653 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
1655 (gen_subprogram_die): Whitespace fix.
1657 2006-08-01 Jan Hubicka <jh@suse.cz>
1659 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
1660 bitmap when not needed.
1661 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
1664 2006-08-01 Dirk Mueller <dmueller@suse.de>
1666 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
1668 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1670 * Makefile.in: Revert part of previous patch:
1671 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
1674 2006-07-30 Eric Christopher <echristo@apple.com>
1677 * doc/extend.texi (i386 Variable Attributes): Add anchor.
1678 (PowerPC Variable Attributes): New section.
1680 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
1682 PR target/28126 (partial fix)
1683 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
1685 2006-07-28 Jan Hubicka <jh@suse.cz>
1687 PR rtl-optimization/28071
1688 * cfgrtl.c (rtl_delete_block): Free regsets.
1689 * flow.c (allocate_bb_life_data): Re-use regsets if available.
1691 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1693 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
1694 and variables used in dependencies.
1696 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
1698 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
1699 %fs for -mcmodel=kernel.
1700 (stack_tls_protect_test_di): Likewise.
1702 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
1704 * Makefile.in: Use mkinstalldirs.
1706 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
1709 * opts-common.c (prune_options): Skip joined switches.
1711 2006-07-27 Jan Hubicka <jh@suse.cz>
1713 PR rtl-optimization/28071
1714 * cselib.c (cselib_process_insn): Don't remove useless values too
1715 often for very large hashtables.
1717 2006-07-27 Jan Hubicka <jh@suse.cz>
1719 PR rtl-optimization/28071
1720 * global.c (greg_obstack): New obstack.
1721 (allocate_bb_info): Use it.
1722 (free_bb_info): Likewise.
1723 (modify_reg_pav): Likewise.
1725 2006-07-27 Roger Sayle <roger@eyesopen.com>
1727 * builtins.c (fold_fixed_mathfn): When long and long long are the
1728 same size, canonicalize llceil*, llfloor*, llround* and llrint*
1729 functions to their lceil*, lfloor*, lround* and lrint* forms.
1731 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1734 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
1736 (rev_branch_insn): Likewise.
1738 2006-07-27 Jan Hubicka <jh@suse.cz>
1740 PR rtl-optimization/28071
1741 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
1742 (reg_set_in_bb, max_reg_computed): New static variables.
1743 (regmove_optimize): Free the new array.
1744 (fixup_match_1): Update call of reg_is_remote_constant_p.
1746 2006-07-26 Jan Hubicka <jh@suse.cz>
1748 PR tree-optimization/27882
1749 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
1751 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
1753 (cgraph_analyze_compilation_unit): Likewise.
1754 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
1755 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
1756 (cgraph_early_inlinine): Make order garbage collected.
1757 * Makefile.in (gt-ipa-inline): New garbagecollected file.
1759 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1761 * dbxout.c (output_types_sort): Add a comment.
1762 (output_used_types): Free the VEC.
1764 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1766 * function.c (reorder_fix_fragments): Delete.
1767 (reorder_blocks): Don't call it.
1768 (reorder_blocks_1): Put all subblocks under the origin block.
1770 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
1772 PR rtl-optimization/27907
1773 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
1776 2006-07-25 Roger Sayle <roger@eyesopen.com>
1779 * convert.c (convert_to_integer): When transforming (T)foo(x) into
1780 bar(x) check that bar's result type can represent all the values of T.
1782 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
1784 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
1786 2006-07-25 Nick Clifton <nickc@redhat.com>
1788 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
1789 size_lookup[] array.
1790 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
1791 (ggc_pch_count_object): Likewise.
1792 (ggc_pch_alloc_object): Likewise.
1793 (ggc_pch_write_object): Likewise.
1794 (init_ggc): Do not attempt to initialize entries in the
1795 size_lookup[] array for objects whose size is greater than than
1796 the length of the array.
1798 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
1800 * dbxout.c (output_used_types_helper): Push queued types
1802 (output_types_sort): New.
1803 (output_used_types): Collect used types on a VEC and sort them
1806 2006-07-24 Richard Guenther <rguenther@suse.de>
1809 * cgraph.c (cgraph_remove_node): Do not check if dumps
1811 * cgraphunit.c (cgraph_optimize): Likewise.
1813 2006-07-24 Jan Hubicka <jh@suse.cz>
1815 PR rtl-optimization/28071
1816 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
1817 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
1818 splitting before first stmt.
1820 2006-07-24 Jan Hubicka <jh@suse.cz>
1822 PR rtl-optimization/28071
1823 * ipa-inline.c (update_caller_keys): Remove edges that
1824 are no longer inline candidates.
1826 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
1829 * dbxout.c (output_used_types_helper, output_used_types): New.
1830 (dbxout_symbol): Call output_used_types.
1832 2006-07-23 Jan Hubicka <jh@suse.cz>
1836 * cgraph.c (cgraph_varpool_nodes): Export.
1837 (decide_is_variable_needed): Ignored "used" attribute in
1838 unit-at-a-time mode.
1839 * cgraph.h (cgraph_varpool_nodes): Declare.
1840 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
1841 unit-at-a-time mode.
1843 2006-07-23 Roger Sayle <roger@eyesopen.com>
1846 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
1847 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
1848 the __gthrw form of thr_keycreate.
1849 (__gthread_key_delete): Silence the unused argument warning.
1851 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
1854 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
1855 Cache the last found '\0' marker to avoid quadratic behavior.
1857 2006-07-23 Jan Hubicka <jh@suse.cz>
1859 * i386.md (subsi_3_zext): Fix output template.
1861 2006-07-21 Mike Stump <mrs@apple.com>
1863 * doc/invoke.texi (C++ Dialect Options): Note that
1864 -fvisibility-inlines-hidden doesn't affect explicitly
1865 instantiationed inline methods.
1867 2006-07-20 Roger Sayle <roger@eyesopen.com>
1869 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
1870 if the target assembler is GNU binutils' gas.
1871 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
1872 whether to pass GNU gas or native as command line options.
1874 2006-07-20 Jason Merrill <jason@redhat.com>
1876 * tree.c (remove_attribute): New fn.
1877 * tree.h: Declare it.
1879 2006-07-20 Paul Brook <paul@codesourcery.com>
1882 * cse.c (cse_insn): Add destination addresses to hash table. Check if
1883 they are invalidated by this instruction.
1885 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
1888 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
1890 2006-07-20 Eric Christopher <echristo@apple.com>
1893 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
1895 2006-07-19 Eric Christopher <echristo@apple.com>
1897 * config/t-slibgcc-darwin (stmp-lipo): Remove.
1898 Rewrite dependencies for libgcc_s.1.dylib.
1900 2006-07-19 Jakub Jelinek <jakub@redhat.com>
1902 * except.c (duplicate_eh_regions_1): Clear next_peer.
1904 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
1906 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
1907 -mlongcall does not guarantee all calls will be long.
1908 * doc/extend.texi (long_call/short_call): Document that longcall
1909 does not guarantee a long call will be used.
1910 (longcall/shortcall): Likewise.
1912 2006-07-18 Roger Sayle <roger@eyesopen.com>
1915 * expmed.c (expand_shift): Additionally check that the shift_cost
1916 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
1917 before implementing a LSHIFT_EXPR as a sequence of additions.
1918 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
1919 middle-end that DImode shifts need to be synthesized by expand.
1921 2006-07-18 Diego Novillo <dnovillo@redhat.com>
1924 * tree-ssa-operands.c (access_can_touch_variable): Update
1926 Return true if ALIAS is .GLOBAL_VAR.
1928 2006-07-18 David Daney <ddaney@avtrex.com>
1930 * gcc.c (display_help): Fix typo in help text.
1932 2006-07-18 Olivier Hainque <hainque@adacore.com>
1934 * tree.h (categorize_ctor_elements): Adjust prototype and add
1935 descriptive comment, both in accordance with the interface change
1937 * varasm.c (constructor_static_from_elts_p): New function.
1938 Whether a constructor node is a valid static constant initializer
1939 if all its elements are.
1940 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
1941 * output.h: Declare it.
1942 * expr.c (categorize_ctor_elements_1): Return whether the constructor
1943 is a valid constant initializer instead of computing the number of
1944 non-constant elements. Use constructor_static_from_elts_p for this
1945 purpose. Replace the head comment with an indication that this is a
1946 helper for categorize_ctor_elements.
1947 (categorize_ctor_elements): Same interface change as for the _1
1948 helper. Former head comment from this helper moved here, adjusted to
1949 account for the interface changes.
1950 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
1951 (all_zeros_p): Likewise.
1952 * gimplify.c (gimplify_init_constructor): Decide whether we can make
1953 static versions of the constructor from the categorize_ctor_elements
1954 return value instead of the formerly computed number of non-constant
1957 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
1959 * configure: Regenerate.
1960 * Makefile.in (build_libsubdir): New configure substitution
1961 (build_libobjdir): New variable.
1962 (BUILD_LIBIBERTY): Use it.
1964 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1967 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
1969 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
1972 * c-common.c (handle_weakref_attribute): Ignore attribute in
1973 the same conditions the alias attribute is ignored.
1975 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
1977 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
1978 (dbxout_begin_prologue): Increment scope_labelno.
1980 2006-07-17 Richard Henderson <rth@redhat.com>
1983 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
1986 2006-07-17 Roger Sayle <roger@eyesopen.com>
1987 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1989 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
1990 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
1991 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
1992 functions such as sbrk, write, etc.. Add function prototypes.
1993 Convert function declarations from K&R to ISO C. Cast pointers
1994 to "long" and "unsigned long" instead of "int" and "unsigned int".
1995 Convert tokens following #endif into comments.
1997 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
1999 * invoke.texi: Remove mention of f77; Reformat table for
2000 inline parameter options correctly; mention that -malign-double
2001 is default on x86-64 targets.
2003 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
2005 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
2006 (convert_affine_scev, chrec_convert_aggressive): Use
2007 avoid_arithmetics_in_type_p. Do not check for the subtypes
2010 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2013 * optabs.c (expand_doubleword_shift): Wrap the call to
2014 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
2016 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2019 * optabs.c (expand_binop): Pass next_methods rather than methods
2020 to expand_doubleword_shift.
2022 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
2025 * tree.h (dump_addr): Declare.
2026 * print-tree.c (dump_addr): New function.
2027 (print_node_brief, print_node): Use it.
2028 * print-rtl.c (print_rtx): Likewise.
2029 * common.opt (-fdump-noaddr): New option.
2030 * doc/invoke.texi (-fdump-noaddr): Document.
2031 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
2032 (ve_info_hash): Likewise.
2034 2006-07-13 Andrew Haley <aph@redhat.com>
2036 PR tree-optimization/19505
2037 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
2038 edge leaving this block, make sure that the destination of this
2039 block has only one predecessor.
2041 2006-07-17 Richard Guenther <rguenther@suse.de>
2043 PR tree-optimization/28238
2044 * tree-inline.c (copy_bb): Check if we produced valid
2045 gimple copying and substituting a stmt. If not, gimplify
2048 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
2050 * optabs.c (maybe_encapsulate_block): New function extracted from...
2051 (emit_libcall_block): ...here. Invoke it on the block of insns to
2052 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
2053 (emit_no_conflict_block): Likewise.
2055 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
2057 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
2059 2006-07-15 Roger Sayle <roger@eyesopen.com>
2061 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
2062 a new NOP_EXPR case of the switch statement.
2064 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
2067 * stor-layout.c (place_field): Take the bit field with
2068 an excessive size into account in the ms-bitfiled case.
2071 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
2072 the previous bit field.
2074 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
2077 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
2079 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
2081 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
2082 signal frames correctly even when the signal was installed with
2085 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
2087 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
2088 (dbxout_function_end): Use local label LFBB. Remove hook
2090 (dbxout_source_line): Use local label LFBB.
2091 (dbxout_block): Likewise.
2092 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
2093 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
2094 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
2095 and DBX_OUTPUT_NFUN.
2097 2006-07-13 Janis Johnson <janis187@us.ibm.com>
2099 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
2101 2006-07-13 Jan Hubicka <jh@suse.cz>
2103 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
2105 * output.h (align_variable): Declare.
2106 * varasm.c (align_variable): Export.
2107 * value-prof.c (tree_value_profile_transformations): Recompute iterator
2108 when basic block changed.
2110 2006-07-13 Nick Clifton <nickc@redhat.com>
2112 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
2113 walking the LOG_LINKS chain.
2115 2006-07-12 Geoffrey Keating <geoffk@apple.com>
2117 * doc/invoke.texi (C++ Dialect Options): Explain difference
2118 between -fvisibility-inlines-hidden and setting hidden
2119 visibility explicitly.
2121 2006-07-12 Eric Christopher <echristo@apple.com>
2123 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
2124 (stmp-lipo): Depend on libgcc.a.
2126 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
2128 * tree.c: Fix a comment typo.
2130 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
2132 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
2134 (umulhisi3_r): Likewise.
2136 2006-07-12 Paolo Carlini <pcarlini@suse.de>
2139 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
2140 x < 19, vs wchar_t support.
2142 2006-07-12 Nick Clifton <nickc@redhat.com>
2144 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
2145 instead of -isa=sh4.
2147 2006-07-12 Mike Stump <mrs@apple.com>
2149 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
2151 2006-07-10 Eric Christopher <echristo@apple.com>
2153 * config/t-slibgcc-darwin: Rewrite.
2155 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2158 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
2161 2006-07-08 Matthias Klose <doko@debian.org>
2163 * doc/sourcebuild.texi: Fix typo.
2165 2006-07-07 Mike Stump <mrs@apple.com>
2167 * toplev.c (process_options): Don't give -ffunction-sections may
2168 affect debugging warning for Mach-O.
2170 2006-07-07 James E Wilson <wilson@specifix.com>
2172 * config/mips/mips.md (cpu): Add sb1a.
2173 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
2174 addition to sb1. Adjust comments to clarify SB-1A differences from
2176 (ir_sb1a_load): New. Modify bypasses to use it.
2177 (ir_sb1a_simple_alu): Likewise.
2178 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
2179 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
2180 (mips_issue_rate): Add PROCESSOR_SB1A.
2181 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
2182 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
2183 (TARGET_SB1): Add PROCESSOR_SB1A check.
2184 (TUNE_SB1): Likewise.
2186 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
2187 * config/mips/mips.c (mips_store_data_bypass_p): New.
2188 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
2189 store_data_bypass_p.
2191 2006-07-08 Paul Brook <paul@codesourcery.com>
2194 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
2196 2006-07-07 Richard Guenther <rguenther@suse.de>
2199 * tree.h (build_one_cst): Declare.
2200 * tree.c (build_one_cst): New function.
2201 * tree-ssa-math-opts.c (get_constant_one): Remove.
2202 (insert_reciprocals): Use build_one_cst.
2203 * fold-const.c (fold_plusminus_mult): Likewise.
2205 2006-07-07 Roger Sayle <roger@eyesopen.com>
2207 * pointer-set.c (pointer_set_destroy): Correct whitespace.
2208 * cfgloopanal.c (dump_graph): Likewise.
2209 * dojump.c (discard_pending_stack_adjust): Likewise.
2210 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
2212 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
2213 * function.c (finalize_block_changes): Likewise.
2214 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
2215 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
2216 * rtl.c (dump_rtx_statistics): Likewise.
2217 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
2219 * varray.c (dump_varray_statistics): Likewise.
2220 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
2221 decode_decimal64, encode_decimal128, decode_decimal128,
2222 decimal_real_to_decimal): Likewise.
2224 2006-07-07 Richard Guenther <rguenther@suse.de>
2226 PR tree-optimization/28187
2227 * tree-vrp.c (vrp_operand_equal_p): New function.
2228 (vrp_bitmap_equal_p): Likewise.
2229 (update_value_range): Use them to compare old and new
2232 2006-07-06 Roger Sayle <roger@eyesopen.com>
2234 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
2235 a default case to switch statement to silence compiler warnings.
2237 2006-07-06 Roger Sayle <roger@eyesopen.com>
2240 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
2241 the configured assembler supports the x87's ffreep mnemonic.
2242 * configure: Regenerate.
2243 * config.in: Regenerate.
2245 * config/i386/i386.c (output_387_ffreep): New function.
2246 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
2247 (output_387_reg_move): Likewise.
2249 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
2251 Port to hosts whose 'sort' and 'tail' implementations
2252 treat operands with leading '+' as file names, as POSIX
2253 has required since 2001. However, make sure the code still
2254 works on pre-POSIX hosts.
2255 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
2256 which says you should use "tail -c +N" rather than "tail +Nc".
2257 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
2259 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
2261 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
2264 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2267 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
2268 PRE_{INC,DEC} of TFmode.
2270 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2271 Alan Modra <amodra@bigpond.net.au>
2274 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
2277 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2280 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
2281 Remove duplicate gtu.
2283 2006-07-05 Jason Merrill <jason@redhat.com>
2287 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
2288 * c-common.c (handle_packed_attribute): So don't copy it here.
2289 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
2291 2006-07-05 Mike Stump <mrs@apple.com>
2293 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
2295 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
2298 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
2300 2006-07-05 Richard Guenther <rguenther@suse.de>
2303 * config/i386/i386.md (*negdf2_1): Restrict pattern to
2304 TARGET_SSE2 targets if using SSE math.
2305 (*absdf2_1): Likewise.
2307 2006-07-05 Richard Guenther <rguenther@suse.de>
2309 PR tree-optimization/28162
2310 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
2311 make sure to convert the operands to the correct type.
2313 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
2315 PR tree-optimization/28218
2317 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
2318 to calculate and free the dominator information.
2320 2006-07-04 Peter O'Gorman <peter@pogma.com>
2322 * mklibgcc.in: chmod 644 before ranlib during install.
2324 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2325 J"orn Rennecke <joern.rennecke@st.com>
2327 * configure.ac (.eh_frame data check): Use diff -b.
2329 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2332 * Makefile.in (BUILD_RTL): Add build/vec.o.
2333 (build/gencondmd.o): Filter out -fkeep-inline-functions.
2334 (build/genextract): Delete.
2335 (build/genautomata): Likewise.
2337 2006-07-04 Alan Modra <amodra@bigpond.net.au>
2340 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
2341 128-bit IBM long doubles for ABI_V4.
2343 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
2345 * tree.c (range_in_array_bounds_p): New predicate.
2346 * tree.h (range_in_array_bounds_p): Declare it.
2347 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
2348 return a less conservative answer.
2349 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
2350 and flag 'is_group'.
2351 (IS_ELEMENT_FOR_GROUP): New macro.
2352 (FOR_EACH_ACTUAL_CHILD): Likewise.
2353 (next_child_for_group): New helper function.
2354 (can_completely_scalarize_p): Take into account groups.
2355 (sra_hash_tree): Handle RANGE_EXPR.
2356 (sra_elt_eq): Likewise.
2357 (lookup_element): Be prepared for handling groups.
2358 (is_valid_const_index): Delete.
2359 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
2360 instead of is_valid_const_index.
2361 <ARRAY_RANGE_REF>: New case.
2362 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
2363 is_valid_const_index.
2364 <ARRAY_RANGE_REF>: Do not unconditionally punt.
2365 (scan_dump): Dump info for groups too.
2366 (decide_instantiation_1): Likewise.
2367 (decide_block_copy): Assert that the element is not a group.
2368 Propagate decision to groups.
2369 (generate_one_element_ref): Handle RANGE_EXPR.
2370 (mark_no_warning): Iterate over actual childs.
2371 (generate_copy_inout): Likewise.
2372 (generate_element_copy): Likewise.
2373 (generate_element_zero): Likewise.
2374 (generate_element_init_1): Likewise.
2375 (dump_sra_elt_name): Handle RANGE_EXPR.
2377 2006-07-03 Roger Sayle <roger@eyesopen.com>
2379 PR tree-optimization/26251
2380 * tree-ssa-threadupdate.c (redirection_block_p): New function.
2381 (thread_block): When optimizing for size refuse to thread jumps
2382 that would require duplication of blocks other than redirection
2385 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2387 * configure.ac: Fix thinko in previous check-in.
2388 * configure: Regenerate.
2390 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2393 * configure.ac (for lang...): Simplify nesting of conditionals.
2394 Test subdir_requires for non-enabled languages. Move processing
2395 of lang_opt_files and lang_tree_fiels below that test.
2396 * configure: Regenerate.
2397 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
2399 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
2401 * doc/gcov.texi (Invoking Gcov): Add a missing word.
2403 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
2405 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
2408 2006-06-29 Jason Merrill <jason@redhat.com>
2415 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
2416 * c-common.c (c_determine_visibility): Handle it here.
2417 * c-decl.c (finish_decl): Call c_determine_visibility for
2419 * flags.h (enum symbol_visibility): Sort from most to least visibility.
2421 * varasm.c (default_assemble_visibility): Likewise.
2422 * c-common.c (handle_visibility_attribute): Complain about trying
2423 to give visibility to an already defined class, or trying to change
2424 declared visibility. Always attach the attribute.
2429 * attribs.c (decl_attributes): Ignore type-in-place attributes
2430 once the type has been defined.
2432 2006-06-29 Roger Sayle <roger@eyesopen.com>
2435 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
2436 to indicate the cpplib has issued an error message for us.
2438 2006-06-29 Asher Langton <langton2@llnl.gov>
2441 * config/i386/i386.c (ix86_output_function_epilogue): Don't
2442 insert a label at the end of an function under Mach-O.
2444 2006-06-29 Eric Christopher <echristo@apple.com>
2445 Evan Cheng <evan.cheng@apple.com>
2447 * predicates.md (vector_all_ones_operand): New.
2448 (nonimmediate_or_sse_const_operand): Ditto.
2449 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
2450 * config/i386/i386.c (standard_sse_constant_opcode): Define.
2451 (standard_sse_mode_p): Ditto.
2452 (standard_sse_constant_p): Add case for -1 vector.
2453 (ix86_expand_vector_move): Try to use.
2454 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
2455 Call standard_sse_constant_opcode.
2456 (*movv4sf_internal): Ditto.
2457 (*movv2df_internal): Ditto.
2459 2006-06-29 Roger Sayle <roger@eyesopen.com>
2461 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
2462 of XEXP to extract the operands of a MATCH_CODE rtx.
2464 2006-06-28 Andrew Pinski <pinskia@gmail.com>
2466 * tree.c (tree_size): Do not waste tail padding in
2467 struct tree_string and make the size be the same as
2468 build_string will generate.
2470 2006-06-28 Jason Merrill <jason@redhat.com>
2473 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
2474 may_aliases already in the tag's annotations to the bitmap.
2476 2006-06-28 Roger Sayle <roger@eyesopen.com>
2478 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
2480 2006-06-28 Roger Sayle <roger@eyesopen.com>
2482 * genpreds.c (generate_switch_p): New function.
2483 (add_mode_tests): Push the new mode test down inside an AND expr
2484 if this allows the switch-suitable MATCH_CODE to be near the root.
2485 (write_match_code_switch): New function to write a MATCH_CODE as
2487 (write_predicate_stmts): New function to write a predicate RTX
2488 expression as a sequence of statements.
2489 (write_one_predicate_function): Use write_predicate_stmts.
2490 (write_tm_constrs_h): Likewise.
2492 2006-06-26 Fred Fish <fnf@specifix.com>
2494 * config/mips/t-sb1: New file.
2495 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
2498 2006-06-26 DJ Delorie <dj@redhat.com>
2500 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
2502 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
2503 Jayant Sonar <jayants@kpitcummins.com>
2504 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
2506 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
2507 (subsi3, subsi3_1, subsi3_2): New.
2508 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
2509 * config/m32c/mov.md (SI mov peephole): New.
2510 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
2511 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
2513 2006-06-26 Olivier Hainque <hainque@adacore.com>
2515 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
2516 a CALL_EXPR target function declaration.
2518 2006-06-26 Richard Guenther <rguenther@suse.de>
2520 * tree.c (build_string): Do not waste tail padding in
2523 2006-06-26 Richard Guenther <rguenther@suse.de>
2525 * ggc-page.c (init_ggc): Add missing element to size_lookup
2529 2006-06-23 Richard Guenther <rguenther@suse.de>
2531 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2532 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2533 alignment requests instead. Add verification code.
2534 Add struct tree_function_decl and struct tree_binfo size to
2535 extra_order_size_table. Add missing element to size_lookup
2538 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
2541 * fold-const.c (const_binop): Be prepared for self returning zero.
2542 Simplify code handling complex values.
2544 2006-06-24 Olivier Hainque <hainque@adacore.com>
2546 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
2547 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
2550 2006-06-24 Olivier Hainque <hainque@adacore.com>
2552 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
2553 ARRAY_REF, so have the callback called for the low bound expression.
2555 2006-06-23 Janis Johnson <janis187@us.ibm.com>
2557 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
2558 * c-typeck.c (c_common_type): Disallow operations on decimal float
2559 types and other float types.
2560 * convert.c (convert_to_real): Don't ignore conversions involving
2561 decimal float types.
2563 2006-06-23 Olivier Hainque <hainque@adacore.com>
2565 * tree.c (max_int_size_in_bytes): New function, inspired from
2566 code in function.c:assign_temp.
2567 * tree.h (max_int_size_in_bytes): Declare.
2568 * function.c (assign_temp): Use it.
2569 * gimplify.c (create_tmp_var): Relax the assertions on the type
2570 properties, not mandating constant size any more.
2571 (force_constant_size): New static function.
2572 (gimple_add_tmp_var): Use it, forcing variable size to a
2573 constant upper bound if it is not constant on entry.
2575 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
2578 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
2579 for initialization and setting of one_only flag to ...
2580 (i386_pe_encode_section_info): ...here.
2581 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
2582 Recheck that the symbol has not been defined.
2584 2006-06-23 Richard Guenther <rguenther@suse.de>
2586 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2587 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2588 alignment requests instead. Add verification code.
2589 Add struct tree_function_decl and struct tree_binfo size to
2590 extra_order_size_table. Add missing element to size_lookup
2593 2006-06-22 Roger Sayle <roger@eyesopen.com>
2594 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2597 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
2598 call to lang_hooks.types.type_for_mode returned NULL_TREE.
2600 2006-06-23 Ben Elliston <bje@au.ibm.com>
2602 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
2603 negate dn -- manipulate it directly.
2605 2006-06-22 Roger Sayle <roger@eyesopen.com>
2606 Steven Bosscher <stevenb.gcc@gmail.com>
2609 * reload1.c (gen_reload): Call mark_jump_label on the new insns
2610 generated by gen_move_insn to add REG_LABEL notes if necessary.
2612 2006-06-22 Bob Wilson <bob.wilson@acm.org>
2614 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
2615 (leaf_entry): Remove use of MIN_ESA.
2617 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
2619 PR rtl-optimization/28121
2620 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
2623 2006-06-21 DJ Delorie <dj@redhat.com>
2625 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
2627 (mulhisi3_r): Likewise.
2629 2006-06-21 Richard Sandiford <richard@codesourcery.com>
2632 * coverage.c (coverage_counter_alloc): Leave the index type
2634 (coverage_counter_alloc): Use null arguments for operands 2 and 3
2637 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
2639 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
2640 section from the "Options for Code Generation Conventions".
2642 2006-06-21 Richard Henderson <rth@redhat.com>
2646 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
2648 (global_symbolic_operand): Allow weak symbols, even if local_p.
2650 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
2652 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
2653 (find_interesting_uses_address): Punt if above function returns true.
2655 2006-06-21 Richard Guenther <rguenther@suse.de>
2657 * configure: Regenerated.
2659 2006-06-21 Joseph Myers <joseph@codesourcery.com>
2661 * config/mips/mips.c (function_arg): Where one part of a
2662 complex argument is in registers and the other part in the stack,
2663 return a REG not a PARALLEL.
2665 2006-06-21 Mark Mitchell <mark@codesourcery.com>
2667 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
2668 when cross-compiling. Do not substitute libstdcxx_incdir.
2669 * configure: Regenerated.
2671 2006-06-21 Jakub Jelinek <jakub@redhat.com>
2673 * varasm.c (mergeable_string_section): Check for embedded NULs and
2674 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
2675 rather than TREE_STRING_LENGTH bytes.
2677 2006-06-21 Richard Guenther <rguenther@suse.de>
2679 * ggc-page.c (extra_order_size_table): Add var_ann_d,
2680 tree_ssa_name, bitmap_element and phi_node with 4 arguments
2683 2006-06-21 Richrad Guenther <rguenther@suse.de>
2685 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
2686 Limit iteration over the dominators.
2688 2006-06-20 Roger Sayle <roger@eyesopen.com>
2690 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
2691 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
2693 2006-06-20 Richard Guenther <rguenther@suse.de>
2694 Michael Matz <matz@suse.de>
2696 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
2698 * alloc-pool.c (free_alloc_pool_if_empty): New function.
2699 * et-forest.h (et_free_pools): Prototype new function.
2700 * et-forest.c (et_free_tree_force): Free parent occurrence.
2701 (et_free_pools): New function.
2702 * dominance.c (free_dominance_info): Free et-forest alloc
2705 2006-06-20 Roger Sayle <roger@eyesopen.com>
2707 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
2708 integer modes, attempt to directly construct an integer constant.
2710 * fold-const.c (native_encode_vector): Determine the size of each
2711 element from the vector type instead of the first vector element.
2713 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
2714 if all of its elements/components are constant.
2715 (build_constructor_from_list): Likewise.
2717 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
2719 PR tree-optimization/27331
2720 * tree-data-ref.c (free_data_ref): New function.
2721 (create_data_ref): Fail if the data reference has unknown access
2723 (free_data_refs): Use free_data_ref.
2725 2006-06-19 Andrew Pinski <pinskia@gmail.com>
2728 * tree-inline.c (setup_one_parameter): Strip useless
2729 type conversion before adding it to the IR.
2730 (declare_return_variable): Likewise.
2732 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
2735 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
2737 2006-06-19 Mike Stump <mrs@apple.com>
2739 * tree.c (variably_modified_type_p): VM arguments don't make the
2742 2006-06-19 Richard Guenther <rguenther@suse.de>
2744 * tree-ssa-pre.c (try_combine_conversion): Strip useless
2745 type conversions after folding.
2747 2006-06-19 Richard Guenther <rguenther@suse.de>
2749 * ggc-page.c (extra_order_size_tab): Add entries with
2750 size of struct function and basic_block.
2751 (size_lookup): Extend to cover sizes up to 511.
2752 (ggc_alloc_stat): Adjust user.
2753 (ggc_pch_count_object): Likewise.
2754 (ggc_pch_alloc_object): Likewise.
2755 (ggc_pch_write_object): Likewise.
2757 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
2759 * tree-ssa-loop-niter.c (implies_ge_p): New function.
2760 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
2763 2006-06-19 Denis Chertykov <denisc@overta.ru>
2765 * config/avr/libgcc.S : Correct my wrong previous commit.
2767 2006-06-19 Roger Sayle <roger@eyesopen.com>
2770 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
2771 have stripped a SUBREG from the shift count, so we may need to
2772 convert_to_mode back to the type's mode before calling make_tree.
2773 Use new_amount instead of amount to avoid expanding a tree twice.
2775 2006-06-19 Richard Guenther <rguenther@suse.de>
2778 * fold-const.c (operand_equal_p): Check if the argument types
2779 have the same precision before stripping NOPs.
2781 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
2783 Fix PR tree-optimization/27341
2784 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
2786 * tree-complex.c (pass_lower_complex): Update SMT usage.
2788 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
2790 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
2791 Add a new alternative to the constraint strings. Add move of
2792 operand 1 to 3 to the splitter definition.
2793 ("doloop_si_long"): Second contraint alternative removed.
2795 2006-06-08 Anatoly Sokolov <aesok@post.ru>
2797 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
2798 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
2800 (AVR_HAVE_MOVW) Define.
2801 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
2802 (ASM_SPEC): Add avr25.
2803 (LINK_SPEC): Add avr25.
2804 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
2805 (base_arch_s): Add new member 'have_movw_lpmx'.
2806 (avr_arch_types): Init 'have_movw_lpmx'.
2807 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
2808 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
2809 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
2810 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
2811 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
2813 (avr_file_start): Do not output '.arh' derective.
2814 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
2815 (__do_copy_data): Use __AVR_HAVE_LPMX__.
2816 * config/avr/avr.md (mcu_enhanced): Delete.
2817 (mcu_have_movw): Define.
2818 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
2819 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
2820 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
2821 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
2822 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
2823 attiny861 and at86rf401 devices.
2825 2006-06-18 Jie Zhang <jie.zhang@analog.com>
2827 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
2830 2006-06-17 Karl Berry <karl@gnu.org>
2832 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
2833 doc/gccint.texi, doc/install.texi (@dircategory): Use
2834 "Software development" instead of "Programming", following
2835 the Free Software Directory.
2837 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
2839 * config/i386/i386.c (legitimate_tls_address)
2840 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
2841 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
2842 (*tls_dynamic_gnu2_combine_64): Likewise.
2844 2006-06-16 Richard Guenther <rguenther@suse.de>
2847 * fold-const.c (negate_expr_p): Do not introduce undefined
2848 overflow in negating INTEGER_CSTs.
2849 (fold_negate_expr): Rename from negate_expr. Revert last
2850 change for folding BIT_NOT_EXPR. Change semantics to
2851 return NULL_TREE for non-simplified negations. Do not
2852 strip type conversions and unify type handling.
2853 (negate_expr): New function, wrap around fold_negate_expr
2854 but ensure building a tree always. Strip type conversions
2855 here, fold to result type.
2856 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
2858 2006-06-16 Roger Sayle <roger@eyesopen.com>
2861 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
2862 that (would) return their results in stack registers.
2864 2006-06-16 Michael Matz <matz@suse.de>
2865 Richard Guenther <rguenther@suse.de>
2867 * fold-const.c (fold_truthop): Only return new tree node if
2868 we canonicalized something.
2870 2006-06-16 Richard Guenther <rguenther@suse.de>
2872 * function.h (enum function_frequency): Move declaration
2873 out of struct function.
2874 (struct function): Move bool fields and the enum to the bitfield
2875 section. Reorder elements to avoid padding. Remove unused
2876 fields left over from the RTL inliner removal.
2877 * function.c (free_after_compilation): Do not zero removed fields.
2878 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
2879 (ipa-type-escape.o): Likewise.
2881 2006-06-16 Richard Guenther <rguenther@suse.de>
2883 * cgraph.h (struct cgraph_local_info): Turn bool elements
2885 (struct cgraph_node): Likewise.
2886 (struct cgraph_varpool_node): Likewise.
2888 2006-06-15 Richard Guenther <rguenther@suse.de>
2890 * fold-const.c (fold_truth_not_expr): Rename from
2891 invert_truthvalue. Give it fold_* semantics to avoid
2893 (invert_truthvalue): New function. Wrapper around
2894 fold_truth_not_expr.
2895 (optimize_minmax_comparison): Avoid creating garbage.
2896 (fold_unary): Use fold_truth_not_expr for folding
2898 (fold_ternary): Replace uses of invert_truthvalue with
2899 fold_truth_not_expr where applicable.
2900 * tree.h (fold_truth_not_expr): Prototype.
2902 2006-06-16 Richard Guenther <rguenther@suse.de>
2904 PR tree-optimization/27781
2905 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
2906 * ipa-pure-const.c (target.h): Include.
2907 (analyze_function): Do not analyze functions that do not
2910 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
2913 * tree-dfa.c (referenced_vars_dup_list): Remove.
2914 (find_referenced_vars): Remove assert.
2915 (referenced_var_check_and_insert): Replace dup list with assert.
2916 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
2917 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
2919 2006-06-15 Richard Guenther <rguenther@suse.de>
2921 * tree-ssa-structalias.c (alias_get_name): Avoid creating
2922 extra unused identifiers if not dumping.
2923 (create_variable_info_for): Likewise.
2925 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
2927 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
2928 (derive_constant_upper_bound): Derive more precise upper bound in
2929 common cases. Return type changed to double_int.
2930 (record_estimate): Reflect the changed return type of
2931 derive_constant_upper_bound.
2932 * double-int.c (double_int_zext, double_int_sext): Fix.
2934 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
2936 * configure.ac (CFLAGS): Get them from the toplevel or from the
2937 configure invocation.
2938 * configure: Regenerate.
2939 * Makefile.in (CFLAGS): Substitute value provided by configure.
2941 2006-06-14 Mark Mitchell <mark@codesourcery.com>
2944 * c-common.h (c_finish_omp_atomic): Adjust declaration.
2945 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
2946 rather than calling add_stmt on it.
2947 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
2949 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
2952 * reload1.c (reload): Remove registers returned by update_eliminables
2953 from used_spill_regs.
2955 2006-06-13 DJ Delorie <dj@redhat.com>
2957 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
2959 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
2961 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
2962 html__strip_dir, html__mkdir_p. Enhance install-html target.
2963 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
2964 * configure: Regenerate.
2966 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
2968 * fold-const.c (fold_cond_expr_with_comparison): Check for
2969 Objective-C++ as language in deciding COND_EXPR transformation.
2971 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
2974 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
2975 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
2976 * config/sh/lib1funcs.h (SL, SL1): Define.
2977 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
2978 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
2979 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
2980 (OBJS_Os_4_200): New variable.
2981 ($(T)libgcc-Os-4-200.a): Use it.
2982 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
2983 when dividing 1 and/or by 0.
2985 2006-06-13 Roger Sayle <roger@eyesopen.com>
2987 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
2988 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
2989 * configure: Regenerate.
2991 2006-06-13 Jie Zhang <jie.zhang@analog.com>
2993 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
2994 for real instruction.
2996 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2999 * haifa-sched.c (check_cfg): Handle special case.
3001 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
3004 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
3005 Add debug_info parameter. Chain the vars to the BLOCK instead
3006 of the BIND_EXPR if debug info are requested for them.
3007 (pop_gimplify_context): Adjust for above change.
3008 (gimple_add_tmp_var): Likewise.
3009 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
3011 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
3012 (convert_local_reference): Likewise.
3013 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
3014 (finalize_nesting_tree_1): Request that debug info be emitted
3015 for debug_var_chain.
3017 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3019 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
3020 for PR target/27863.
3022 2006-06-13 Richard Guenther <rguenther@suse.de>
3025 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
3027 2006-06-13 Richard Guenther <rguenther@suse.de>
3029 PR tree-optimization/27830
3030 * tree-inline.c (copy_body_r): For copying the operand
3031 of an ADDR_EXPR make sure to fold &* afterwards.
3033 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
3035 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
3036 lvalues in the fb_none case with side-effects.
3038 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
3040 * tree-flow.h: Remove the prototype for
3041 compute_phi_arg_on_exit.
3042 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
3043 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
3046 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
3048 * builtins.c (expand_builtin_return_addr): Only use
3049 frame_pointer_rtx when count == 0 and we are expanding
3050 __builtin_return_address.
3052 2006-06-12 Fred Fish <fnf@specifix.com>
3054 * config/mips/mips.c (mips_file_start): Create special section
3055 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
3057 2006-06-11 Eric Christopher <echristo@apple.com>
3060 * stor-layout.c (place_field): Remove check for
3061 remaining_in_alignment when aligning at the end of a run.
3063 2006-06-11 Eric Christopher <echristo@apple.com>
3066 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
3069 2006-06-11 Roger Sayle <roger@eyesopen.com>
3072 Revert incorrect fix for PR target/27158
3073 2006-05-08 Roger Sayle <roger@eyesopen.com>
3074 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3075 of a reg_equiv_constant if the result is a legitimate constant.
3077 2006-06-11 Roger Sayle <roger@eyesopen.com>
3080 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
3081 extract a CONST_VECTOR element and interpret it as an integer.
3082 (vspltis_constant): Use const_vector_elt_as_int instead of the
3083 macro CONST_VECTOR_ELT in order to handle FP vector modes.
3084 * config/rs6000/predicates.md (easy_vector_const): Consider
3085 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
3087 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
3090 * stor-layout.c (update_alignment_for_field): Don't add extra
3091 alignment for packed non-bitfield fields in ms_bitfield_layout_p
3094 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
3096 * config/mips/t-rtems: Add EL/EB multilib variants.
3098 2006-06-09 Mike Stump <mrs@apple.com>
3100 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
3102 2006-06-09 David Daney <ddaney@avtrex.com>
3104 * doc/install.texi: Add binutils version recommendation for mips-*-*.
3106 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
3108 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
3110 2006-06-09 Richard Guenther <rguenther@suse.de>
3112 PR tree-optimization/26998
3113 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
3114 of signed types, only TYPE_MIN_VALUE is special, but for both,
3115 minimum and maximum value. Likewise VR_ANTI_RANGE is special
3116 in this case, as is -fwrapv.
3118 2006-06-08 Mike Stump <mrs@apple.com>
3121 * config/darwin.c (darwin_asm_output_anchor): Disable
3122 -fsection-anchors on darwin for now.
3123 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
3124 * rs6000/rs6000.c (optimization_options): Likewise.
3126 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3129 * config/i386/i386.c (classify_argument): Skip fields with invalid
3132 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
3134 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
3135 (cse_insn): Likewise for the stack_pointer_rtx.
3137 2006-06-08 Roger Sayle <roger@eyesopen.com>
3139 * tree-ssa-dom.c (record_conditions): Only record "unordered"
3140 conditions from floating point comparisons.
3142 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
3145 * expmed.c (struct alg_hash_entry): Fix type of field T
3146 to match synth_mult argument.
3147 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
3149 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3152 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
3155 2006-06-08 Richard Guenther <rguenther@suse.de>
3158 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
3159 only, if overflow is defined and not trapping.
3160 (negate_expr): Likewise.
3162 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3164 PR tree-optimization/27872
3165 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
3166 flag on the new exit edge of the unrolled loop.
3168 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3170 PR rtl-optimization/26449
3171 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
3173 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
3176 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
3177 referenced_variables with matching DECL_UID's.
3178 (find_referenced_vars): Make sure duplicate list is empty to start.
3179 (referenced_var_p): Remove.
3180 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
3181 Check if var is in the list, and add if needed. Update the duplicate
3182 list if a different var is in the list with the same DECL_UID.
3183 (add_referenced_var): Call routine to check and insert.
3184 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
3185 * tree-flow.h (referenced_vars_dup_list): External declaration.
3187 2006-06-07 Fred Fish <fnf@specifix.com>
3189 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
3192 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
3195 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
3196 the imaginary and real parts of a clobbered register.
3197 Emit insn to set the imaginary part.
3199 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
3201 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
3202 in lieu of unwind-dw2-fde.c.
3204 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3206 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
3208 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
3211 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
3212 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
3213 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
3214 V4SImode temporaries and operations instead.
3216 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
3218 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
3221 2006-06-06 Mike Stump <mrs@apple.com>
3223 * Makefile.in: Rename to htmldir to build_htmldir to avoid
3224 installing during build.
3226 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3228 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
3230 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3231 * config/ia64/ia64.c (params.h): New header.
3232 (ia64_optimization_options): New function to adjust parameters.
3233 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
3234 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
3235 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
3237 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
3239 * stor-layout.c (debug_rli): Fix a typo in a debug message.
3241 2006-06-05 Steve Ellcey <sje@cup.hp.com>
3244 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
3246 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
3247 Victor Kaplansky <victork@il.ibm.com>
3249 PR tree-optimization/26360
3250 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
3253 2006-06-04 Roger Sayle <roger@eyesopen.com>
3254 Andrew Pinski <pinskia@physics.uc.edu>
3257 * c-common.c (c_common_truthvalue_conversion): Explicitly check
3258 for LABEL_DECL before calling DECL_WEAK.
3261 * c-typeck.c (build_binary_op): Likewise, explicitly check for
3262 LABEL_DECL and PARM_DECL.
3264 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
3268 * c-decl.c (grokdeclarator): Disallow variably modified types at
3269 file scope. Avoid marking shared array type of constant size as
3272 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3275 * c-common.c (fold_offsetof_1): Handle static members.
3277 2006-06-04 Eric Christopher <echristo@apple.com>
3279 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
3280 (debug_rli): Output value for remaining_in_alignment.
3281 (update_alignment_for_field): Unconditionalize
3282 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
3283 extra alignment code.
3284 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
3285 ms_bitfield_layout_p code. Rewrite handling of structure fields.
3286 * tree.h (record_layout_info_s): Remove prev_packed.
3287 * doc/extend.texi (ms_struct): Add documentation of format.
3289 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
3291 * tree.h: Declare folding_initializer.
3292 * builtins.c (fold_builtin_constant_p): Give definite answer
3293 if folding inside an initializer.
3294 * fold-const.c: Define folding_initializer.
3295 (START_FOLD_INIT): Save and then set folding_initializer.
3296 (END_FOLD_INIT): Restore folding_initializer.
3298 2006-06-04 Richard Guenther <rguenther@suse.de>
3300 PR tree-optimization/27039
3301 * fold-const.c (fold_comparison): Handle pointer comparison
3302 again for all comparison codes. Compare offsets in signed
3304 (fold_binary): Move code from here.
3306 2006-06-03 Roger Sayle <roger@eyesopen.com>
3309 * config/i386/i386.c (construct_container): Split static issued_error
3310 flag into issued_sse_arg_error, issued_sse_ret_error and
3311 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
3312 requires the use of x87 registers and the user explicitly
3313 specified the -mno-80387 command line option.
3315 2006-06-02 Geoffrey Keating <geoffk@apple.com>
3317 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
3318 HAVE_DECL_SIGALTSTACK.
3320 (segv_handler): Use MC_FLD.
3321 * configure.ac: Check for a sigaltstack declaration.
3322 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
3323 * configure: Regenerate.
3324 * config.in: Regenerate.
3326 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
3329 * Makefile.in (stmp-fixinc): Fix typo.
3331 2006-06-02 Roger Sayle <roger@eyesopen.com>
3333 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
3334 are type correct. Clean-up.
3335 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
3336 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
3338 2006-06-01 DJ Delorie <dj@redhat.com>
3340 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
3341 shift, as we've disabled the "switch" insn that needs it.
3343 2006-06-01 Per Bothner <bothner@bothner.com>
3345 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
3346 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
3347 * c-ppoutput.c (cb_define): Don't increment line 0.
3349 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
3351 * doc/invoke.texi: Add cpu_type power6.
3352 * config.gcc: Add cpu_type power6.
3353 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
3354 to power5+ with Altivec.
3355 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
3356 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
3358 2006-05-30 Anatoly Sokolov <aesok@post.ru>
3360 * config/avr/avr.h (SET_ASM_OP): Define.
3362 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
3364 * config/bfin/bfin.c: Fix comment typos.
3366 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3369 * doc/install.texi: Document --enable-bootstrap and
3370 --disable-bootstrap.
3372 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3374 * doc/install.texi: Document that InfoZIP can replace jar.
3376 2006-05-31 Roger Sayle <roger@eyesopen.com>
3378 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
3379 isn't available, directly generate the simpler x87 patterns without
3380 the (use (const_int 0)).
3381 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
3382 implementation isn't available.
3383 (*negdf2_1): Likewise.
3384 (*negxf2_1): XF mode negation is always done using the x87.
3385 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
3387 2006-05-31 Roger Sayle <roger@eyesopen.com>
3389 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
3390 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
3392 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
3394 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3396 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
3397 * config/bfin/bfin.c (basic-block.h): Include.
3398 (struct machine_function): New.
3399 (bfin_init_machine_status): New.
3400 (override_options): Initialize init_machine_status.
3401 (bfin_hardware_loop): New.
3402 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
3403 (DEF_VEC_P (loop_info)): New.
3404 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
3405 (struct loop_info): New.
3406 (loop_info): New typedef.
3407 (struct loop_work): New.
3408 (loop_work): New typedef.
3409 (DEF_VEC_O (loop_work)): New.
3410 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
3411 (bfin_dump_loops): New.
3412 (bfin_bb_in_loop): New.
3413 (bfin_scan_loop): New.
3414 (bfin_optimize_loop): New.
3415 (bfin_reorg_loops): New.
3416 (bfin_reorg): Use bfin_reorg_loops.
3417 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
3419 (I_REGNO_P): Simplify.
3420 (DP_REGNO_P, DPREG_P): New macros.
3421 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3422 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
3423 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
3424 Add LT_REGS, LC_REGS, LB_REGS.
3425 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
3427 (REGNO_REG_CLASS): Deal with loop registers.
3428 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
3430 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
3431 New constants for loop registers.
3432 (UNSPEC_LSETUP_END): New.
3433 (seq_insns): New define_attr. Set it for appropriate insns.
3434 (movsi_insn): Add alternatives for move from/to
3435 loop count registers.
3436 (doloop_end): New define_expand.
3437 (loop_end): New define_insn.
3438 (define_split for bad doloop_end): New.
3439 (lsetup_with_autoinit): New define_insn.
3440 (lsetup_without_autoinit): New define_insn.
3441 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
3442 * config/bfin/predicates.md (lc_register_operand): New.
3443 (lt_register_operand): New.
3444 (lb_register_operand): New.
3445 (nondp_register_operand): New.
3446 (nondp_reg_or_memory_operand): New.
3447 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
3449 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3451 * config/bfin/bfin.c (bfin_delegitimize_address): New.
3452 (TARGET_DELEGITIMIZE_ADDRESS): Define.
3454 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
3456 * Makefile.in (CATALOGS): Add po/ prefix.
3457 * configure: Regenerated.
3459 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
3462 * arm.c (arm_print_operand case 'S'): Validate that the operand is
3463 a shift operand before calling shift_op. Avoid redundant call of
3466 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
3467 DJ Delorie <dj@redhat.com>
3469 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
3470 we're inserting is a singlt-bit constant.
3472 2006-05-30 Roger Sayle <roger@eyesopen.com>
3474 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
3475 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
3477 2006-05-30 Roger Sayle <roger@eyesopen.com>
3479 PR tree-optimization/23452
3480 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
3481 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
3482 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
3483 complex values and with -ffast-math for FP complex values.
3485 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
3487 * c-common.h: Remove the prototype for yyparse.
3488 * rtl.h: Remove the prototype for init_loop.
3490 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
3492 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
3495 2006-05-30 Roger Sayle <roger@eyesopen.com>
3497 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
3499 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
3500 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
3502 2006-05-30 Dirk Mueller <dmueller@suse.de>
3505 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
3506 for CONSTANT_CLASS_P expresisons.
3508 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3511 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
3513 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
3515 PR tree-optimization/27779
3516 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
3517 initial_condition instead of CHREC_LEFT.
3519 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
3521 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
3522 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
3523 Make prototypes ISO C90.
3525 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
3526 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3528 * see.c (see_analyze_one_def): Correct check.
3529 (see_get_extension_data): Check if extension is parallel.
3530 (see_get_extension_reg): Likewise.
3532 2006-05-30 Uros Bizjak <uros@kss-loka.si>
3535 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
3536 into register for (code == GTU).
3538 2006-05-29 Roger Sayle <roger@eyesopen.com>
3540 PR tree-optimization/24964
3541 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
3542 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
3543 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
3544 abs(x)*abs(x) as x*x for scalar floating point modes.
3546 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
3549 * lambda-code.c (perfect_nestify): Don't copy statements
3550 in the inner loop: move them to the inner loop header.
3552 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3555 * c-tree.texi: Document OpenMP directives and clauses.
3557 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3559 * varasm.c (globalize_decl): Fix indentation.
3561 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3564 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
3565 pass_fre, pass_store_ccp, pass_copy_prop,
3566 pass_store_copy_prop, pass_merge_phi, pass_nrv,
3567 pass_return_slot, pass_object_size, pass_lim,
3568 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
3569 pass_loop_prefetch and pass_stdarg.
3571 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
3573 * config/bfin/bfin.opt (mfdpic): New option.
3574 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
3575 (EXTRA_MULTILIB_PARTS): Likewise.
3576 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
3577 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
3579 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
3580 (CRT_CALL_STATIC_FUNCTION): New.
3581 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
3583 (CRT_CALL_STATIC_FUNCTION): New.
3584 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
3586 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
3587 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
3588 (initialize_trampoline): Changed to handle FD-PIC code generation.
3589 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
3590 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
3591 (override_options): Disallow -mid-shared-library -mfdpic combination.
3592 Can't do unaligned ops if FD-PIC.
3593 Turn off flag_pic if trying to generate non-id-shared-library
3594 non-fdpic code, since it's not supported.
3595 (bfin_assemble_integer): New function.
3596 (TARGET_ASM_INTEGER): Define.
3597 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
3599 * config/bfin/crtn.s: Restore them.
3600 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
3602 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
3603 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
3604 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
3605 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
3606 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
3608 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
3609 FDPIC_REGS and FDPIC_FPTR_REGS.
3610 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
3611 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
3612 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
3613 (load_funcdescsi): New pattern.
3614 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
3615 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
3616 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
3618 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3620 * gcse.c, rtlanal.c: Remove obsolete comments associated with
3623 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
3625 * tree-flow.h: Remove the prototype for add_type_alias.
3626 * tree-ssa-alias.c (add_type_alias): Remove.
3628 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
3630 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
3631 config/fr30/fr30.md, config/i386/i386-interix.h,
3632 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
3633 config/sh/superh64.h, config/v850/v850.c, df-core.c,
3634 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
3635 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
3636 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
3637 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
3638 Follow spelling conventions.
3639 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
3640 Follow spelling conventions.
3642 2006-05-27 Richard Guenther <rguenther@suse.de>
3645 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
3646 to produce a constant of value 1 of generic type.
3648 2006-05-27 Dirk Mueller <dmueller@suse.de>
3650 * cgraphunit.c (decide_is_function_needed): Fix wrong
3653 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
3655 PR rtl-optimization/27661
3656 * reload.c (find_reloads): When reloading a VOIDmode constant
3657 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
3658 use Pmode as mode of the reload register.
3660 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
3662 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
3663 is enabled at -O and above.
3665 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
3668 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
3671 2006-05-25 Mark Mitchell <mark@codesourcery.com>
3674 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
3675 for anonymous variables explicitly declared by front ends.
3677 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3679 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
3680 (struct alias_info): Add new field ref_all_symbol_mem_tag.
3681 * tree-ssa-alias.c (compute_may_aliases): If the program contains
3682 ref-all pointers, run a finalization pass for them.
3683 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
3684 (finalize_ref_all_pointers): New function.
3685 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
3686 regular pointer type to a ref-all pointer type.
3687 (get_tmt_for): Return the special memory tag for ref-all pointers.
3689 2006-05-25 Richard Guenther <rguenther@suse.de>
3692 * fold-const.c (fold_binary): Do not look at the stripped
3693 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
3695 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3697 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
3698 for LT and GT if the computed range is effectively empty.
3700 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3703 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
3704 mips_quad_format formats instead of ieee_single_format,
3705 ieee_double_format and ieee_quad_format formats, respectively.
3707 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3709 PR tree-optimization/27639
3710 PR tree-optimization/26719
3711 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
3712 call to scev_probably_wraps_p.
3713 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
3714 used_in_pointer_arithmetic_p, convert_step): Removed.
3715 (nowrap_type_p): New function.
3716 (scev_probably_wraps_p): Rewritten.
3717 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
3718 chrec_convert if chrec_convert_aggressive might have been used.
3719 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
3720 scev_direction): New functions.
3721 (chrec_convert): Changed to a wrapper over chrec_convert_1.
3722 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
3723 instead of convert_step.
3724 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
3725 (convert_step): Declaration removed.
3726 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
3728 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
3730 * df-core.c: Added to header comments.
3731 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
3732 df_ur_bb_info, df_urec_bb_info): Added comments.
3733 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
3734 urec, ri problems): Fixed header comments.
3735 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
3736 code from df_rd_transfer_function.
3738 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3740 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
3741 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
3742 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
3744 2006-05-23 Joseph Myers <joseph@codesourcery.com>
3746 * expr.c (undefined_operand_subword_p): New.
3747 (emit_move_multi_word): Do not generate move from undefined bits
3748 of a paradoxical subreg.
3750 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3752 PR rtl-optimization/27736
3753 * combine.c (replaced_rhs_value): New variable.
3754 (combine_instructions): Set it.
3755 (distribute_notes): When distributing a note in replaced_rhs_insn,
3756 check whether the value was used in replaced_rhs_value.
3758 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
3761 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
3762 add_referenced_var instead of add_referenced_tmp_var.
3763 * tree-complex.c (create_one_component_var): Use add_referenced_var.
3764 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
3766 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
3767 tree_optimize_tail_calls_1): Use add_referenced_var.
3768 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
3769 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
3770 Use add_referenced_var.
3771 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
3772 * gimplify.c (force_gimple_operand): Use add_referenced_var.
3773 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
3774 Use add_referenced_var.
3775 * tree-dfa.c (struct walk_state): Remove.
3776 (find_referenced_vars): Remove walk state and vars_found hash table.
3777 (make_rename_temp): Use add_referenced_var.
3778 (find_vars_r): Pass less parameters to add_referenced_var.
3779 (referenced_var_p): New. Is var in referenced_var hash table.
3780 (referenced_var_insert): Assert var isn't already in hash table.
3781 (add_referenced_var): Don't need walk_state parameter. Add var if it
3782 isn't already in the hash table.
3783 (add_referenced_tmp_var): Remove.
3784 (find_new_referenced_vars_1): Use add_referenced_var.
3785 * tree-ssa-pre.c (create_expression_by_pieces,
3786 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
3787 Use add_referenced_var.
3788 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
3789 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
3790 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
3792 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
3793 vect_create_data_ref_ptr, vect_create_destination_var,
3794 vect_init_vector, vect_build_loop_niters,
3795 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3796 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
3797 Use add_referenced_var.
3798 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
3799 * tree-flow.h (add_referenced_tmp_var): Remove prototype
3800 (add_referenced_var): Add prototype.
3801 * tree-ssa-structalias.c (get_constraint_for,
3802 intra_create_variable_infos): Use add_referenced_var.
3804 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
3806 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
3807 big-endian paradoxical subregs.
3808 * var-tracking.c (struct micro_operation_def): Document that,
3809 for modify micro operations, insn is the subsequent instruction.
3810 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
3811 (var_reg_set, var_mem_set): ... new functions.
3812 (add_stores): Record subsequent insn.
3813 (compute_bb_dataflow): Use new functions for MO_USE.
3814 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
3815 notes after the insn, and modify notes before the insn known
3816 to be the subsequent one.
3817 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
3819 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
3822 * config/i386/i386.c (ix86_expand_builtin): Use
3823 gen_sse3_monitor64 for TARGET_64BIT.
3825 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
3827 PR rtl-optimization/26375
3828 PR rtl-optimization/26855
3829 * df-problems (df_ru_bb_local_compute_process_def): Removed update
3831 (df_ru_bb_local_compute): Reversed statements and removed bogus
3832 comment explaining why they should be in wrong order.
3833 (df_ru_dump, df_rd_dump): Enhanced debug info.
3834 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
3836 * ddg.c (add_deps_for_def): Converted use of reaching defs to
3837 reaching uses and fixed space problem.
3839 2006-05-23 Jan Hubicka <jh@suse.cz>
3841 * cgraphunit.c (decide_is_function_needed): Also nested functions
3842 and functions declared inline can be optimized out at -O0.
3844 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
3846 * doc/install.texi (Configuration): Remove reference to CrossGCC
3850 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3853 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
3854 ix86_compare_emitted is non-NULL.
3856 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3859 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
3862 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3864 PR rtl-optimization/25514
3865 * combine.c (replaced_rhs_insn): New variable.
3866 (combine_instructions): Set replaced_rhs_insn when trying to replace
3867 a SET_SRC with a REG_EQUAL note.
3868 (distribute_notes): Use replaced_rhs_insn when determining the live
3869 range of a REG_DEAD register.
3871 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
3872 Anatoly Sokolov <aesok@post.ru>
3874 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
3875 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
3876 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
3877 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
3878 atmega3290, atmega649, atmega6490, atmega406, atmega640,
3879 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
3880 at90usb647, at90usb1286 and at90usb1287 devices.
3881 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3882 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3884 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3886 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
3888 2006-05-22 Richard Guenther <rguenther@suse.de>
3891 2006-01-31 Richard Guenther <rguenther@suse.de>
3892 Paolo Bonzini <bonzini@gnu.org>
3894 * doc/install.texi (--disable-libgcc-math): Document.
3896 2006-05-22 Richard Guenther <rguenther@suse.de>
3899 2006-01-31 Richard Guenther <rguenther@suse.de>
3901 * doc/invoke.texi (-msselibm): Document.
3902 * target.h (expand_library_builtin): New target hook.
3903 * builtins.c (expand_builtin): Use expand_library_builtin.
3904 (default_expand_library_builtin): New function.
3905 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3906 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3907 (link_gcc_math_spec): Declare.
3908 (static_specs): Add link_gcc_math_spec.
3909 * expr.h (default_expand_library_builtin): Declare.
3910 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3911 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3912 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3913 * config/i386/i386.opt (msselibm): New target option.
3914 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3915 (ix86_init_sse_abi_builtins): New function.
3916 (ix86_expand_library_builtin): Likewise.
3917 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3918 (override_options): Handle error conditions wrt -msselibm.
3919 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3920 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3921 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3924 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3927 * c-common.c (self_promoting_args_p): Skip erroneous args.
3930 * c-decl.c (finish_struct): Skip erroneous fields.
3932 2006-05-22 Nick Clifton <nickc@redhat.com>
3934 * config/cris/cris.opt (march): Remove VarExists attribute.
3935 (max-stackframe=): Likewise.
3937 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3939 * doc/rtl.texi: Fix a typo.
3940 * see.c: Fix comment typos.
3942 * tree-ssa-structalias.h (alias_info): Remove num_references.
3944 2006-05-21 Mike Stump <mrs@apple.com>
3946 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
3948 (darwin_pragma_options): Use BAD instead.
3949 (darwin_pragma_unused): Likewise.
3950 (darwin_pragma_ms_struct): Likewise.
3952 2006-05-21 David Edelsohn <edelsohn@gnu.org>
3954 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
3956 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
3958 PR rtl-optimization/27671
3959 * simplify-rtx.c (simplify_relational_operation_1): Fix
3960 simplifications of (eq/ne (xor x y) y) and
3961 (eq/ne (xor x y) x).
3963 PR tree-optimization/26622.
3964 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
3967 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3969 * tree-cfg.c: Prune whitespace.
3970 (debug_tree_cfg): Point to correct header containing the
3973 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3976 * cgraphunit.c (verify_cgraph_node): Typo in error message.
3978 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
3981 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
3982 or sorry count is non zero.
3984 2006-05-20 Andreas Schwab <schwab@suse.de>
3986 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
3988 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
3989 Kenneth Zadeck <zadeck@naturalbridge.com>
3991 PR rtl-optimization/26855
3993 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
3995 (df_scan_alloc): Added code to properly handle multiword hard
3996 registers and add all_blocks parameter.
3997 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
3998 code to properly handle multiword hard registers.
3999 (df_rescan_blocks): Added code to remove deleted blocks from
4001 (df_ref_create_structure, df_ref_record): Added code to properly
4003 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
4004 and set DF_REF_PARTIAL.
4005 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
4006 (df_uses_record): Added DF_REF_PARTIAL for subreg.
4007 (df_scan_add_problem): Added flags parameter.
4008 (df_ref_create_structure): Changed switching structure.
4009 (df_bb_refs_record): Fixed case where duplicate artificial refs
4010 were created. Changed location of flags.
4011 (df_record_entry_block_defs): Added code to make stack pointer
4012 live in entry block. Refined cases where frame pointer is needed.
4013 Changed location of flags.
4014 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
4015 (df_set_state): Removed function.
4016 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
4017 df_insn_create_insn_record, df_insn_refs_delete,
4018 df_ref_create_structure): Formatting changes.
4019 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
4020 df_delete_basic_block): New function.
4021 (df_init): Changed location of flags.
4022 (df_add_problem): Added flags parameter and the way flags are
4024 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
4025 debug_df_chain): Improved debugging output.
4026 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
4027 (df_refs_chain_dump): Removed df parameter.
4028 (df_iterative_dataflow): Added consistency check.
4029 (df_prune_to_subcfg): Made public.
4030 (df_analyze_problem): Added blocks_to_init parameter and made
4032 (df_ref_record, df_bb_refs_record, df_mark_reg,
4033 df_record_exit_block_uses): Whitespace changes.
4034 (df_dump): Whitespace changes.
4035 * df.h: Some reordering to remove forward references.
4036 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
4037 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
4038 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
4039 (dataflow.flags): New field.
4040 (df.flag): Deleted field.
4041 (df_alloc_function): Added additional bitmap parameter.
4042 (df_dependent_problem_function): New type.
4043 (df_problem.changeable_flags): New field.
4044 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
4045 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
4046 (df_mw_hardreg): New struct.
4047 (DF_INSN_UID_MWS): New macro.
4048 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
4050 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
4051 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
4052 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
4053 (df_set_state): Removed function.
4054 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
4055 * df-problems.c (df_chain_dump): Removed df parameter.
4056 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
4057 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
4059 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
4060 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
4061 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
4062 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
4063 DF_REF_MUST_CLOBBER cases.
4064 (df_ru_bb_local_compute_process_def,
4065 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
4066 df_lr_bb_local_compute, df_ur_bb_local_compute,
4067 df_chain_create_bb): Made subreg aware.
4068 (df_ru_bb_local_compute, df_rd_bb_local_compute,
4069 df_lr_bb_local_compute, df_lr_bb_local_compute,
4070 df_chain_create_bb): Cleanup to use proper macros.
4071 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
4072 code to fixup bitvectors.
4073 (df_ri_alloc): Cleared lifetime.
4074 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
4075 df_create_unused_note): New function.
4076 (df_ri_bb_compute, df_ri_compute): Added code to create/update
4077 REG_DEAD and REG_UNUSED notes as well as register information.
4078 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
4079 df_chains_dump): Fixed crash if problem was never run.
4080 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
4081 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
4082 df_ri_add_problem): Processes flags in uniform manner.
4083 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
4084 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
4085 df_rd_dump, df_urec_free_bb_info): Formatting changes.
4086 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
4087 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
4088 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
4089 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
4090 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
4091 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
4092 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
4093 * see.c (see_initialize_data): Ditto.
4094 * final.c (rest_of_clean_state) Added regstack_completed.
4095 * rtl.h (regstack_completed): Ditto.
4096 * reg-stack.c (regstack_completed): Ditto.
4098 2006-05-19 Mike Stump <mrs@apple.com>
4100 * c-tree.h (default_conversion): Remove.
4101 * c-common.h (default_conversion): Add.
4103 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
4105 * tree-vrp.c (valid_value_p): New function.
4106 (adjust_range_with_scev): Fail if the value of bound is not
4109 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4111 * config/mips/linux-unwind.h: Include <asm/unistd.h>
4112 (mips_fallback_frame_state): Use syscall numbers to determine
4113 the appropriate li instruction for the current ABI. Only use
4114 __NR_sigreturn for o32.
4116 2006-05-19 Nicolas Setton <setton@adacore.com>
4118 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
4119 * langhooks.c (lhd_dwarf_name): New function.
4120 * langhooks-def.h (lhd_dwarf_name): Declare.
4121 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
4122 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
4123 * ada/misc.c (gnat_dwarf_name): New function.
4124 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
4126 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4128 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
4130 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
4131 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
4132 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
4133 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
4134 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
4135 determine the size of Wtype, etc.
4136 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
4137 (swfloatfuncs): New variable.
4138 (dwfloatfuncs): Likewise.
4139 (lib2funcs): Remove floating-point conversion functions from
4140 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
4141 the set of conversion routines needed. Allow entries to specify
4142 an object name, filename and word size. Update users accordingly.
4143 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
4144 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
4148 2006-02-08 Roger Sayle <roger@eyesopen.com>
4151 * config/fixtfdi.c: New libgcc source file.
4152 * config/fixunstfdi.c: New source file.
4153 * config/floatditf.c: New source file.
4154 * config/floatunditf.c: New souce file.
4155 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4156 files above instead of config/mips/_tilib.c.
4157 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4159 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4161 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
4162 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
4164 2006-05-18 Mike Stump <mrs@apple.com>
4166 Fix up vla, vm and [*] sematics.
4172 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
4173 (c_vla_unspec_p): Add.
4174 (c_vla_type_p): Add.
4175 * c-decl.c (struct c_scope): Add had_vla_unspec.
4176 (build_array_declarator): Add support for [*].
4177 (grokdeclarator): Likewise.
4178 (grokparms): Likewise.
4179 (get_parm_info): Likewise.
4180 * c-objc-common.c (c_vla_unspec_p): Likewise.
4181 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
4182 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
4183 typeof when argument is a variably modified type not inside sizeof or alignof.
4184 (c_parser_direct_declarator_inner): Propagate errors.
4185 (c_parser_sizeof_expression): Add support for [*].
4186 (c_parser_parms_declarator): Initialize had_vla_unspec.
4187 (c_parser_parms_list_declarator): Likewise.
4188 * c-typeck.c (c_vla_type_p): Add.
4189 (composite_type): Add support for vla compositing.
4190 (comptypes_internal): Add support for vla compatibility.
4191 (c_expr_sizeof_expr): Evaluate vla arguments.
4192 * tree.c (variably_modified_type_p): Update comment for [*].
4194 2006-05-18 Michael Matz <matz@suse.de>
4197 * config.host: Make assignments to host_xmake_file cumulative.
4198 * config.host (*-darwin*): Test $host, not $target.
4200 2006-05-12 Stuart Hastings <stuart@apple.com>
4202 * config/i386/i386.opt (-mstackrealign): New flag.
4203 * config/i386/i386.c (force_align_arg_pointer): New attribute.
4204 (ix86_handle_cconv_attribute): Emit error when
4205 force_align_arg_pointer attribute collides with too many regparms.
4206 (ix86_function_regparm): Limit regparms when used with
4207 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
4208 Support stack-realigning prologue in non-main functions. Emit
4209 warning for nested functions under -mstackrealign, emit error for
4210 nested functions with force_align_arg_pointer attribute.
4211 * doc/extend.texi (force_align_arg_pointer): Document it.
4212 * doc/invoke.texi (-mstackrealign): Document it.
4214 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
4216 PR rtl-optimization/27477
4217 * combine.c (try_combine): Don't split a parallel consisting
4218 of two sets into two individual sets if both sets reference
4221 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
4223 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
4224 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
4226 * doc/options.texi (VarExists): Updated.
4228 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4230 * unwind-dw2.c: Add declarations for uw_update_context and
4232 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
4233 detected, advance frame state and context once to skip over stub.
4235 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4239 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
4240 Call rewrite_into_loop_closed_ssa only when something changed.
4241 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
4242 * lambda-code.c (can_convert_to_perfect_nest): Declared.
4243 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
4244 Test for perfect_nest_p here. Fix formating.
4245 (replace_uses_equiv_to_x_with_y): Fix formating.
4246 (stmt_uses_op): Removed.
4247 (can_convert_to_perfect_nest): Removed loopivs parameter.
4248 Complete the test by checking the scalar dependences.
4249 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
4252 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4255 From Dan Kegel <dank@kegel.com>:
4256 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
4258 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
4260 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
4261 if the element type is variably modified without recursing.
4263 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4266 * tree-loop-linear.c (try_interchange_loops): Test for
4267 no data dependences.
4269 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
4271 PR tree-optimization/27548
4272 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
4273 range of ssa names that appear on abnormal edges.
4274 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
4275 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
4277 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4280 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
4282 2006-05-17 Jakub Jelinek <jakub@redhat.com>
4285 * tree.h (OMP_PARALLEL_COMBINED): Define.
4286 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
4287 (new_omp_context): Add is_combined_parallel argument.
4288 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
4289 new_omp_context caller.
4290 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
4291 Adjust gimplify_scan_omp_clauses callers.
4292 (omp_is_private): Issue errors if iteration variable is firstprivate
4293 or reduction in the current context.
4294 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
4295 on combined parallel workshare constructs.
4297 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4299 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
4300 (gcc-options.o): New rule.
4302 * optc-gen.awk: Protect variables for gcc-options.o with
4303 #ifdef GCC_DRIVER/#endif.
4305 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
4307 Fix PR tree-optimization/27373
4308 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
4309 (forward_propagate_addr_expr): Update call.
4311 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4313 * doc/options.texi: Move the Negative option.
4315 2006-05-16 Richard Guenther <rguenther@suse.de>
4317 PR tree-optimization/22303
4318 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
4320 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
4321 ccp_fold did not simplify the statement.
4323 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4326 * Makefile.in (GCC_OBJS): New.
4327 (OBJS-common): Add opts-common.o.
4328 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
4329 (cpp$(exeext)): Likewise.
4330 (gcc.o): Also depend on opts.h.
4331 (opts-common.o): New.
4333 * common.opt (gcoff): Add Negative(gdwarf-2).
4334 (gdwarf-2): Add Negative(gstabs).
4335 (gstabs): Add Negative(gstabs+).
4336 (gstabs+): Add Negative(gvms).
4337 (gvms): Add Negative(gxcoff).
4338 (gxcoff): Add Negative(gxcoff+).
4339 (gxcoff+): Add Negative(gcoff).
4340 * config/i386/i386.opt (m32): Add Negative(m64).
4341 (m64): Add Negative(m32).
4343 * doc/options.texi: Document the Negative option.
4345 * gcc.c: Include "opts.h".
4346 (main): Call prune_options after expandargv.
4348 * optc-gen.awk: Generate common declarations for all flag
4349 variables in options.c. Output the neg_index field.
4351 * opts.c (find_opt): Moved to ...
4352 * opts-common.c: Here. New file.
4354 * opts.h (cl_option): Add a neg_index field.
4356 (prune_options): Likewise.
4358 2006-05-16 Jakub Jelinek <jakub@redhat.com>
4361 * omp-low.c (expand_omp_parallel): Don't assert
4362 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
4363 instead search for it.
4366 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
4369 2006-05-16 Andreas Schwab <schwab@suse.de>
4371 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
4374 2006-05-15 Roger Sayle <roger@eyesopen.com>
4377 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
4378 integer constants other than zero are only legitimate on TARGET_64BIT.
4379 <CONST_VECTOR> Only zero vectors are legitimate.
4380 (ix86_cannot_force_const_mem): Integral and vector constants can
4381 always be put in the constant pool.
4383 2006-05-16 DJ Delorie <dj@redhat.com>
4385 * crtstuff.c (__dso_handle): Set section from
4386 TARGET_LBIGCC_SDATA_SECTION if defined.
4387 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
4388 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
4390 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
4393 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
4396 2006-05-16 Ben Elliston <bje@au.ibm.com>
4398 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
4400 2006-05-15 Per Bothner <per@bothner.com>
4402 * tree.c: (last_annotated_node): Use source_locus typedef.
4403 This permits bootstrapping with --enable-mapped-location.
4405 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
4407 PR tree-optimization/26830
4408 * tree-into-ssa.c (struct ssa_name_info): Add age field.
4409 (info_for_ssa_name, current_info_for_ssa_name_age,
4410 blocks_to_update): New variables.
4411 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
4412 (clear_ssa_name_info, initialize_flags_in_bb,
4413 mark_block_for_update): New functions.
4414 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
4415 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
4416 prepare_def_site_for): Use mark_block_for_update.
4417 (mark_def_interesting): Assert that the processed block is marked in
4418 blocks_to_update. Do not take blocks argument.
4419 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
4421 (rewrite_update_init_block, rewrite_update_stmt): Only process
4422 blocks with statements to rewrite.
4423 (delete_update_ssa): Do not clear SSA_NAME_AUX.
4424 (update_ssa): Initialize and free blocks_to_update. Do not
4425 clear flags on statements. Do not use blocks bitmap.
4426 * tree.h (SSA_NAME_AUX): Removed.
4427 (struct tree_ssa_name): Removed aux field.
4428 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
4430 2006-05-15 Richard Guenther <rguenther@suse.de>
4432 PR tree-optimization/27603
4433 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4434 Do computations in original type.
4436 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
4438 * see.c: Code style changes such as redundant paranthesis,
4439 redundant intialization of local variables etc.
4440 (see_main): Declared now as static.
4441 * doc/invoke.texi: Update that -fsee is not enabled by
4444 2006-05-15 Jakub Jelinek <jakub@redhat.com>
4446 * omp-low.c (check_omp_nesting_restrictions): New function.
4447 (scan_omp_1): Call it.
4450 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
4451 construct, return *VAR.
4453 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
4455 PR rtl-optimization/27406
4456 * bt-load.c (migrate_btr_def): Skip the block having abnormal
4459 2006-05-14 Roger Sayle <roger@eyesopen.com>
4461 PR rtl-optimization/27538
4462 * combine.c (expand_compound_operation): Call gen_lowpart
4463 before calling simplify_shift_const.
4465 2006-05-14 Roger Sayle <roger@eyesopen.com>
4467 PR rtl-optimization/22563
4468 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
4469 a fixed width bitfield, always force the intermediates into psuedos.
4471 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
4474 * mkconfig.sh: Use operator = instead of == for test.
4476 2006-05-13 Nick Clifton <nickc@redhat.com>
4478 * dwarf2out.c (dbx_reg_number): Check return value from
4479 LEAF_REG_REMAP and only use it if it is valid.
4480 (multiple_reg_loc_descriptor): Likewise.
4482 2006-05-13 Richard Guenther <rguenther@suse.de>
4484 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
4487 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
4489 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
4490 information attached to non-INSNs such as NOTEs.
4491 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
4493 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
4495 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
4497 * config/s390/s390.md: Adjust comment describing On constraint.
4499 2006-05-11 Jan Hubicka <jh@suse.cz>
4501 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
4502 to be output at -O0.
4504 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4507 * fold-const.c (size_binop): Move sanity check for arguments to
4508 the beginning of the function.
4511 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
4514 2006-05-11 Richard Guenther <rguenther@suse.de>
4517 * fold-const.c (fold_unary): Handle intermediate conversion
4518 to a pointer type like intermediate conversion to an integer
4519 type in folding of (T1)(T2)var to var.
4520 Match the code to the comment in the final conversion for
4521 (T1)(T2)var to (T1)var regarding to type precision. Rather
4522 than disallow T1 being of pointer type, assert that both T1
4523 and var are of pointer type or not. Make sure not to fall
4524 over the frontends lazyness wrt array to pointer decay though.
4526 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
4528 * arm.c (arm_struct_value_rtx): Delete.
4529 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
4530 (arm_init_cumulative_args): Always initialize nregs to zero.
4532 2006-05-10 Richard Guenther <rguenther@suse.de>
4534 PR tree-optimization/27532
4535 * tree-object-size.c (plus_expr_object_size): Fix typo.
4537 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
4540 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
4541 ashrdi_const, ashrdi3): Use a scratch register.
4543 2006-05-10 Richard Guenther <rguenther@suse.de>
4545 PR tree-optimization/27302
4546 * fold-const.c (operand_equal_p): For two comparisons,
4547 try comparison of one comparison code swapped if that yields
4550 2006-05-10 Ben Elliston <bje@au.ibm.com>
4552 * tree-pretty-print.c (pretty_print_string): No need to handle
4553 '\0' as a special character.
4555 * tree.h: Include "hashtab.h".
4556 (iterative_hash_expr): Use hashval_t in its prototype.
4557 * Makefile.in (TREE_H): Add $(HASHTAB_H).
4559 2006-05-09 Steve Ellcey <sje@cup.hp.com>
4562 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
4563 (hppa*64*-*-hpux11*): Ditto.
4564 (hppa[12]*-*-hpux11*): Ditto.
4566 2006-05-09 David Edelsohn <edelsohn@gnu.org>
4569 * config/rs6000/aix41.h (TARGET_64BIT): Define.
4571 2006-05-09 Michael Matz <matz@suse.de>
4573 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
4574 host_extra_gcc_objs and host_xmake_file.
4575 (<*-*-linux*>): Don't overwrite host_xmake_file.
4576 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
4577 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
4578 (host_detect_local_cpu): Declare.
4579 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
4580 * config/i386/i386.c (override_options): Handle -mtune=native
4582 * config/i386/x-i386: New file.
4583 * config/i386/driver-i386.c: New file.
4584 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
4587 2006-05-09 Dirk Mueller <dmueller@suse.de>
4588 Richard Guenther <rguenther@suse.de>
4591 * fold-const.c (fold_read_from_constant_string): Relax check
4592 for matching types to matching modes.
4594 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
4596 PR rtl-optimization/27335
4597 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
4600 2006-05-08 Chao-ying Fu <fu@mips.com>
4601 Richard Sandiford <richard@codesourcery.com>
4603 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
4604 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
4605 * config/mips/mips.md (UNSPEC_SCC): New constant.
4606 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
4607 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
4608 (mips_emit_compare): Use it.
4609 (mips_expand_vcondv2sf): New function.
4611 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
4613 Fix PR tree-optimization/27093
4614 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
4615 renaming when they become not-used_alone.
4617 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4619 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
4620 relocation and relocation stubs.
4622 2006-05-08 Eric Christopher <echristo@apple.com>
4624 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
4627 2006-05-08 Jan Hubicka <jh@suse.cz>
4630 * cgraphunit.c (decide_is_function_needed): When not optimizing even
4631 unused static functions are needed.
4633 2006-05-08 Roger Sayle <roger@eyesopen.com>
4636 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4637 of a reg_equiv_constant if the result is a legitimate constant.
4639 2006-05-08 Uros Bizjak <uros@kss-loka.si>
4642 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
4643 standard 80387 constants, raise the cost to prevent
4644 compress_float_constant() to generate load from memory.
4646 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
4648 * config/arm/constraints.md (c): Fix a typo.
4650 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
4653 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
4656 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
4658 (_mm_mwait): Likewise.
4660 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
4662 (sse3_monitor): Make it 32bit only.
4663 (sse3_monitor64): New. 64bit monitor.
4665 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4668 * config/i386/i386.c (classify_argument): Skip fields with invalid
4671 2006-05-07 Richard Guenther <rguenther@suse.de>
4673 PR tree-optimization/27409
4674 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4675 Do not try to find zero-sized subvars.
4677 2006-05-07 Richard Guenther <rguenther@suse.de>
4679 PR tree-optimization/27136
4680 * tree-ssa-loop-niter.c (get_val_for): Correct function
4681 comment, assert requirements.
4682 (loop_niter_by_eval): Stop processing if the iterated
4683 value did not simplify.
4685 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
4687 * opts.c (flag_see): remove its setting at -O3.
4689 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
4691 * genpeep.c (main): Make insn-peep.c depend on flags.h.
4692 * arm/constraints.md: New file.
4693 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
4694 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
4695 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
4696 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
4697 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
4698 (EXTRA_MEMORY_CONSTRAINT): Likewise.
4699 * arm.md: Include constraints.md.
4700 (thumb_movsi_insn): Use satisfies_constraint_J.
4701 (movhi, movqi): Use satisfies_constraint_I.
4703 2006-04-29 Anatoly Sokolov <aesok@post.ru>
4705 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
4706 for atmeg a645 device.
4708 2006-05-06 Richard Guenther <rguenther@suse.de>
4710 PR tree-optimization/27151
4711 * tree-vect-transform.c (vectorizable_condition): Punt on
4712 values that have a different type than the condition.
4714 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
4717 * c-parser.c (c_parser_cast_expression): Only insert casts into
4718 hash table if pointer.
4719 * function.c (used_types_insert_helper): Rename from
4721 (used_types_insert): Call used_types_insert_helper.
4722 * function.h (used_types_insert): Accept only one argument.
4724 2006-05-05 David Edelsohn <edesohn@gnu.org>
4726 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
4727 scratch with output modifier.
4729 2006-05-04 David Edelsohn <edelsohn@gnu.org>
4732 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
4733 with output modifier.
4735 2006-05-04 Richard Sandiford <richard@codesourcery.com>
4738 * config/mips/mips.c (mips_symbolic_address_p): Return true
4739 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
4740 SYMBOL_GOTTPREL, and SYMBOL_TLS.
4742 2006-05-04 Richard Guenther <rguenther@suse.de>
4744 PR tree-optimization/14287
4745 PR tree-optimization/14844
4746 PR tree-optimization/19792
4747 PR tree-optimization/21608
4748 PR tree-optimization/27090
4749 * tree-ssa-pre.c (try_combine_conversion): New function.
4750 (compute_avail): After constructing the value-handle
4751 expression, use try_combine_conversion to combine NOP_EXPRs
4752 with previous value-handle expressions and use the result if it
4755 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
4757 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
4759 2006-05-04 Jan Hubicka <jh@suse.cz>
4762 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
4764 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
4766 * config/bfin/predicates.md (const01_rtx): Tell generator programs
4767 that this only matches CONST_INTs. All users changed to VOIDmode
4770 * config/bfin/bfin.c: Include "optabs.h".
4771 (bfin_rtx_costs): Some costs for vector operations, to allow combine
4773 (enum bfin_builtins): Add a number of fractional and vector builtins.
4774 (bfin_init_builtins): Likewise.
4775 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
4776 (safe_vector_operand, bfin_expand_binop_builtin,
4777 bfin_expand_unop_builtin): New functions.
4778 (bfin_expand_builtin): Handle the new builtins.
4779 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4782 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
4785 * Makefile.in (OBJS-common): Add see.o.
4786 (see.o): Add dependencies.
4787 * common.opt (fsee): New flag for the see optimization was added.
4788 * opts.c (flag_see): Initialized.
4789 * passes.c (init_optimization_passes, pass_see): New pass.
4790 * rtl.h (see_main): Declaration as extern.
4791 * timevar.def (TV_SEE): New.
4792 * tree-pass.h (pass_see): Declaration as extern.
4793 * invoke.texi (-fsee): Document.
4794 * recog.c (validate_simplify_insn): New function.
4795 * recog.h (validate_simplify_insn): Declaration as extern.
4796 * df-problems.c (df_chain_dump): Check for NULL.
4798 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
4799 Daniel Berlin <dberlin@dberlin.org>
4801 * cfgrtl.c (insert_insn_bb_end_new): New function.
4802 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
4804 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4806 * df.h (struct web_entry): Moved from web.c.
4807 (union_defs): Declaration as extern.
4808 (unionfind_root): Likewise.
4809 (unionfind_union): Likewise.
4810 * web.c (struct web_entry): Moved to df.h.
4811 (unionfind_root): Remove static declaration.
4812 (unionfind_union): Likewise.
4813 (union_defs): Likewise and generalize to use callback function.
4814 (web_main): Update arguments for union_defs function call.
4816 2006-05-04 Richard Guenther <rguenther@suse.de>
4818 PR tree-optimization/26447
4819 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
4820 produce SSA_NAME copies before the store stmt to avoid
4821 breaking exception handling.
4823 2006-05-04 Jakub Jelinek <jakub@redhat.com>
4826 * gimplify.c (omp_is_private): If var is shared in some outer context,
4827 return false instead of true. Stop searching on parallel context
4830 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
4833 * coverage.c: Use get_gcov_unsigned_t() instead of
4834 unsigned_type_node all over.
4836 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
4838 PR tree-optimization/27381
4839 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
4840 maintain the same immediate_use links.
4841 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
4842 node rather than segfaulting.
4844 2006-05-03 Jakub Jelinek <jakub@redhat.com>
4847 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
4848 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
4849 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
4851 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
4853 Fix PR tree-optimization/26626
4854 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
4856 * tree-ssa-operands.c (access_can_touch_variable): Allow
4857 typecasting through union pointers.
4859 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4862 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
4863 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
4864 to find if var will be a global variable even in the nested context.
4865 (omp_copy_decl): Only check for global variable at the end, it might
4866 be overridden in outer contexts.
4867 (scan_sharing_clauses): For global variables don't create a field.
4868 (lower_rec_input_clauses): Do nothing for global shared variables.
4869 Emit a barrier at the end of ILIST if there were any decls in both
4870 firstprivate and lastprivate clauses.
4871 (lower_send_clauses): Do nothing for global variables except for
4874 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
4876 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
4877 of the correct signedness is returned.
4879 2006-05-02 Jeff Law <law@redhat.com>
4881 PR tree-optimization/27364
4882 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
4883 multiply expressions.
4885 2006-05-02 Tom Tromey <tromey@redhat.com>
4887 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
4889 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
4892 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
4893 -mthumb -fPIC are used.
4895 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
4896 Joshua Kinard <kumba@gentoo.org>
4899 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
4900 with 64-bit pointers.
4902 2006-05-02 Paul Brook <paul@codesourcery.com>
4904 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
4906 (create_fix_barrier): Check that a suitable barrier location is
4908 (arm_reorg): Include ftmp->address in allowable range of addresses.
4910 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
4913 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
4916 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4919 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
4920 around RESULT_DECL for result passed by reference.
4921 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
4922 * omp-low.c (use_pointer_for_field): Don't look at
4923 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
4924 (scan_omp_1): Call remap_decl on RESULT_DECLs.
4925 (lower_rec_input_clauses): Don't allocate VLA memory for the second
4926 time or var for passing by reference for
4927 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
4928 TREE_ADDRESSABLE variables when passing by reference.
4930 * omp-low.c (dump_omp_region): Fix output formatting.
4933 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
4934 (expand_omp_parallel): Likewise.
4935 * tree-cfg.c (move_sese_region_to_fn): Likewise.
4938 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
4939 on statement list containing also constructors and destructors.
4940 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
4943 * except.c (duplicate_eh_regions): Fix clearing of
4944 cfun->eh->region_array entries.
4946 2006-05-01 DJ Delorie <dj@redhat.com>
4948 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
4950 (gcc_cv_objdump): Likewise.
4951 * configure: Regenerated.
4953 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
4956 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
4957 templates for case 3 and 4.
4959 2006-05-01 DJ Delorie <dj@redhat.com>
4961 * vec.c: Include bconfig.h when appropriate.
4962 * Makefile.in (build/vec.o): Adjust dependencies.
4963 * mkconfig.sh: Make sure config.h isn't used for build machine
4966 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4968 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
4970 (mark_phi_for_rewrite): New function.
4971 (insert_phi_nodes_for, mark_use_interesting): Call
4972 mark_phi_for_rewrite.
4973 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
4974 (update_ssa): Initialize and free phis_to_rewrite.
4976 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4978 PR rtl-optimization/27291
4979 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
4980 folded to a constant.
4982 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4984 PR tree-optimization/27283
4985 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
4986 not whole # of iteration descriptions.
4987 (niter_for_exit): Return just # of iterations. Fail if # of iterations
4988 uses abnormal ssa name.
4989 (niter_for_single_dom_exit): Ditto.
4990 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
4991 return just the number of iterations.
4993 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4995 PR tree-optimization/27144
4996 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
4997 (record_estimate): Only record constant upper bound.
4998 (infer_loop_bounds_from_undefined): Call
4999 compute_estimated_nb_iterations just once.
5000 (proved_non_wrapping_p): Renamed to ...
5001 (n_of_executions_at_most): ... this. Expect bound to be a constant.
5002 (convert_step_widening, scev_probably_wraps_p): Call
5003 n_of_executions_at_most instead of proved_non_wrapping_p.
5004 (substitute_in_loop_info): Do not replace values in bounds.
5005 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
5008 2006-05-01 Richard Henderson <rth@redhat.com>
5011 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
5012 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
5015 2006-05-01 Roger Sayle <roger@eyesopen.com>
5017 * c-typeck.c (parser_build_binary_op): Don't call the function
5018 unsigned_conversion_warning to spot operand/result type overflow.
5019 (build_binary_op): Instead, call convert_and_check instead of
5020 convert to report the problem when the operands are promoted.
5021 * c-common.c (unsigned_conversion_warning): Make static.
5022 * c-common.h (unsigned_conversion_warning): Delete prototype.
5024 2006-05-01 Richard Guenther <rguenther@suse.de>
5026 PR tree-optimization/26726
5027 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
5029 (find_interesting_uses_address): ... we work around here
5030 by folding INDIRECT_REFs in the substituted base.
5032 2006-05-01 Diego Novillo <dnovillo@redhat.com>
5034 * omp-low.c (dump_omp_region): Add newlines.
5036 2006-04-30 Roger Sayle <roger@eyesopen.com>
5038 * common.opt (Woverflow): New command line option.
5039 * c-common.c (constant_expression_warning): Check warn_overflow.
5040 (overflow_waring): Pass OPT_Woverflow to warning.
5041 (unsigned_conversion_warning): Likewise.
5042 (convert_and_check): Likewise.
5043 * doc/invoke.texi: Document new command line option.
5045 2006-04-30 David Edelsohn <edelsohn@gnu.org>
5047 * config/rs6000/rs6000.c (rs6000_override_options): Enable
5048 TARGET_NO_FP_IN_TOC for section anchors.
5049 (optimization_options): Enable section anchors for all
5050 non-"Objective" languages.
5052 2006-04-28 Eric Christopher <echristo@apple.com>
5054 * config/darwin-c.c (darwin_ms_struct): Move this
5055 (darwin_set_default_type_attributes): and this...
5056 * config/darwin.c: ... here.
5057 * config/darwin.h (darwin_ms_struct): Declare.
5059 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
5061 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
5063 2006-04-28 Roger Sayle <roger@eyesopen.com>
5066 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
5067 (push_array_bounds): Delete prototype. Change BOUNDS argument to
5068 an unsigned HOST_WIDE_INT.
5069 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
5071 (really_start_incremental_init): No need to call convert because
5072 bitsize_zero_node is already of type bitsizetype.
5073 (push_init_level): Extract the value of constructor_index as an
5074 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
5075 (process_init_element): Likewise.
5077 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
5079 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
5080 value before passing to make_relative_prefix.
5082 2006-04-28 Alan Modra <amodra@bigpond.net.au>
5085 * builtins.c (expand_builtin_memset): Expand val in original mode.
5087 2006-04-27 Eric Christopher <echristo@apple.com>
5089 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
5090 with #ifndef/#endif.
5091 * config/darwin-c.c (darwin_ms_struct): New.
5092 (darwin_pragma_ms_struct): Ditto.
5093 (darwin_set_default_type_attributes): Ditto.
5094 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
5095 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
5096 Register ms_struct pragma.
5097 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
5098 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
5099 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
5100 darwin_set_default_type_attributes if TARGET_MACHO.
5102 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
5104 PR tree-optimization/26854
5105 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
5106 * doc/tree-ssa.texi: Update immuse iterator documentation.
5107 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
5108 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
5109 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
5110 first_safe_imm_use, next_safe_imm_use): Remove.
5111 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
5112 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
5113 (move_use_after_head): New. Helper function to sort immuses in a stmt.
5114 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
5115 (first_imm_use_stmt): New. Get first stmt in an immuse list.
5116 (next_imm_use_stmt): New. Get next stmt in an immuse list.
5117 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
5118 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
5119 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
5120 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
5121 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
5122 (perfect_nestify): Use new iterator.
5123 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
5125 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
5126 (next_imm_name): New field in struct immediate_use_iterator_d.
5127 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
5128 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
5129 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
5130 * tree-cfg.c (replace_uses_by): Use new iterator.
5131 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
5132 * tree-ssa-operands.c (correct_use_link): Remove.
5133 (finalize_ssa_use_ops): No longer call correct_use_link.
5135 2006-04-27 Stuart Hastings <stuart@apple.com>
5137 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
5138 * config/t-darwin (crt3.o): Use it.
5139 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
5140 'pmode', use Pmode instead of SImode for SYMBOL_REF.
5141 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
5142 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
5143 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
5146 2006-04-27 Roger Sayle <roger@eyesopen.com>
5148 * expmed.c (store_fixed_bit_field): If we're not optimizing for
5149 size, force the intermediate into a new pseudo rather instead of
5150 performing both a bitwise AND and a bitwise IOR in memory.
5152 2006-04-27 Richard Guenther <rguenther@suse.de>
5154 PR rtl-optimization/26685
5155 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
5156 this one "max-flow-memory-locations".
5158 2006-04-27 Richard Guenther <rguenther@suse.de>
5160 PR tree-optimization/25148
5161 * tree-vrp.c (compare_values): Remove code dealing with
5162 comparisons against type min/max value. Honour overflow
5163 and negative constants in code dealing with comparisons
5164 of plus and minus expressions.
5165 (value_inside_range): Use fold_binary with LE_EXPR and
5166 GE_EXPR rather than compare_values.
5168 2006-04-27 Dirk Mueller <dmueller@suse.de>
5170 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
5173 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
5175 * basic-block.h (safe_insert_insn_on_edge): Removed.
5176 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
5178 2006-04-26 David Edelsohn <edelsohn@gnu.org>
5179 Paolo Bonzini <bonzini@gnu.org>
5182 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
5183 (simplify_and_const_int): Same.
5185 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
5187 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
5189 2006-04-26 Jakub Jelinek <jakub@redhat.com>
5192 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
5193 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
5194 cgraph_global_info_ready.
5197 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
5200 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
5201 either decl or init is error_mark_node.
5204 * tree-flow.h (struct omp_region): Add sched_kind.
5205 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
5206 instead of extracting omp for data.
5207 (expand_omp_for): Save extracted sched_kind.
5209 2006-04-25 Roger Sayle <roger@eyesopen.com>
5211 * expmed.c (store_bit_field): Also check whether the bitsize is
5212 valid for the machine's "insv" instruction before moving the
5213 target into a pseudo for use with the insv.
5214 * config/i386/predicates.md (const8_operand): New predicate.
5215 * config/i386/i386.md (extv, extzv, insv): Use the new
5216 const8_operand predicate where appropriate.
5218 2006-04-25 DJ Delorie <dj@redhat.com>
5220 * doc/install.texi (Specific): Clarify that this is not a list of
5221 supported hosts or targets.
5223 2006-04-25 Richard Sandiford <richard@codesourcery.com>
5225 PR rtl-optimization/26725
5226 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
5227 block's BB_DIRTY flag.
5229 2006-04-25 Geoffrey Keating <geoffk@apple.com>
5231 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
5234 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
5235 to print an integer.
5237 2006-04-25 David Edelsohn <edelsohn@gnu.org>
5239 * varasm.c (align_variable): New function.
5240 (get_block_for_decl): Apply align_variable to DECL before
5241 calculating section information.
5242 (assemble_variable): Split out alignment computation.
5244 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
5246 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
5249 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
5251 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
5252 MODE_PARTIAL_INT mode.
5253 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
5254 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
5256 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
5257 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
5259 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
5261 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
5263 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
5264 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
5265 MACFLAG_IH): Likewise.
5266 (movstricthi_1): Renamed from "*movstricthi".
5267 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
5268 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
5269 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
5270 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
5271 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
5272 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
5273 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
5274 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
5275 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
5276 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
5277 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
5278 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
5279 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
5280 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
5281 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
5283 * doc/rtl.texi (ss_ashift): Improve wording.
5285 2006-04-24 Geoffrey Keating <geoffk@apple.com>
5287 * dwarf2out.c (verify_marks_clear): New.
5288 (prune_unused_types): Call verify_marks_clear initially, not
5291 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
5293 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
5294 * doc/rtl.texi: Document them.
5295 * simplify-rtx.c (simplify_unary_operation,
5296 simplify_binary_operation_1): Don't abort when we see them.
5298 2006-04-24 Mark Mitchell <mark@codesourcery.com>
5301 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5302 * configure.ac: Completely disregard languages that are not
5304 * configure: Regenerated.
5306 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5307 Richard Guenther <rguenther@suse.de>
5309 PR tree-optimization/27236
5310 * tree-inline.c (copy_body_r): Make sure to copy
5311 TREE_THIS_VOLATILE flag.
5313 2006-04-24 Richard Guenther <rguenther@suse.de>
5316 * tree-complex.c (update_parameter_components): Don't handle
5317 unused parameters which have no default def.
5319 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5320 Richard Guenther <rguenther@suse.de>
5322 PR tree-optimization/27218
5323 * tree-inline.c (expand_call_inline): Strip useless type
5324 conversions for the return slot address.
5326 2006-04-24 Richard Guenther <rguenther@suse.de>
5328 * cfgloop.h (struct loops): Remove unused field array. Reorder
5330 (LOOP_PREFETCH): Remove.
5332 2006-04-24 Richard Guenther <rguenther@suse.de>
5334 PR tree-optimization/22525
5335 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
5336 variable, adjust types of generated expressions.
5338 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
5340 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
5341 (tree-vect-patterns.o): Likewise.
5343 (cselib.o): Likewise.
5344 (loop-doloop.o): Likewise.
5345 (regclass.o): Likewise.
5346 (reload1.o): Likewise.
5347 (explow.o): Replace target.h with $(TARGET_H).
5348 (ipa-prop.o): Likewise.
5349 (ipa-cp.o): Likewise.
5350 (ipa-inline.o): Likewise.
5351 (reorg.o): Likewise.
5352 (reg-stack.o): Likewise.
5354 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5356 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
5358 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5360 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
5362 * configure.ac: Completely disregard languages that are not
5364 * configure: Regenerated.
5367 * c-common.h (c_build_bitfield_integer_type): Declare.
5368 * c-decl.c (c_build_bitfield_integer_type): Move to ...
5369 * c-common.c (c_build_bitfield_integer_type): ... here.
5371 2006-04-23 Roger Sayle <roger@eyesopen.com>
5374 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
5375 a SImode SUBREG of a floating point register after no_new_pseudos.
5377 2006-04-23 Roger Sayle <roger@eyesopen.com>
5379 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
5380 identify potentially eliminable registers to additionally catch
5381 VIRTUAL_INCOMING_ARGS_REGNUM.
5382 (addsi3): Update the conditions on when to use addsi_small_int.
5384 2006-04-23 Roger Sayle <roger@eyesopen.com>
5387 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
5388 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
5389 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
5391 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5393 * fold-const.c (range_predecessor): Use operand_equal_p
5394 as the predicate for equality.
5395 (range_successor): Likewise.
5397 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5400 * config/soft-fp/op-common.h: Fix a typo.
5402 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
5405 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
5406 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
5408 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5410 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
5412 * doc/tm.texi: Fix a typo.
5414 2006-04-21 Geoffrey Keating <geoffk@apple.com>
5416 * dwarf2out.c (struct die_struct): Document that die_sib makes
5417 a circular linked list.
5418 (FOR_EACH_CHILD): New.
5419 (reverse_die_lists): Delete.
5420 (reverse_all_dies): Delete.
5421 (add_dwarf_attr): Correct documentation.
5422 (remove_child_with_prev): New.
5423 (remove_child_TAG): Update for change to die_struct, use
5424 remove_child_with_prev.
5425 (add_child_die): Update for change to die_struct.
5426 (splice_child_die): Use remove_child_with_prev and add_child_die.
5427 (print_die): Use FOR_EACH_CHILD.
5428 (die_checksum): Likewise.
5429 (assign_symbol_names): Likewise.
5430 (output_location_lists): Likewise.
5431 (build_abbrev_table): Likewise.
5432 (calc_die_sizes): Likewise.
5433 (mark_dies): Likewise.
5434 (unmark_dies): Likewise.
5435 (unmark_all_dies): Likewise.
5436 (output_die): Likewise.
5437 (prune_unused_types_mark): Likewise.
5438 (prune_unused_types_walk): Likewise.
5439 (same_die_p): Update for change to die_struct.
5440 (break_out_includes): Likewise.
5441 (prune_unused_types_prune): Likewise.
5442 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
5443 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
5445 (dwarf2out_finish): Don't call reverse_all_dies.
5447 2006-04-21 Eric Christopher <echristo@apple.com>
5449 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
5450 in comments and function names.
5452 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5455 * c-typeck.c (digest_init): Robustify.
5457 * c-typeck.c (pop_init_level): Simplify.
5459 2006-04-21 Steve Ellcey <sje@cup.hp.com>
5461 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
5463 2006-04-21 Paul Brook <paul@codesourcery.com>
5465 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
5466 hardware floating point.
5468 2006-04-21 David Edelsohn <edelsohn@gnu.org>
5470 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
5473 2006-04-21 Nick Clifton <nickc@redhat.com>
5475 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
5478 2006-04-21 Alan Modra <amodra@bigpond.net.au>
5481 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
5482 C++ lang type in traceback table for Objective-C++.
5484 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
5486 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
5488 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
5490 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5493 * tree-mudflap.c (mudflap_finish_file): Skip function when there
5494 were errors. Remove check for erroneous objects.
5496 2006-04-20 Jeff Law <law@redhat.com>
5498 PR tree-optimization/26854
5499 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
5500 checking for zero or one use.
5501 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
5502 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
5503 * tree-ssa-reassoc.c (negate_value): Similarly.
5504 (reassociate_bb): Similarly.
5506 2006-04-20 Jakub Jelinek <jakub@redhat.com>
5508 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
5509 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
5510 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
5512 2006-04-20 Alan Modra <amodra@bigpond.net.au>
5514 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
5515 fp regs if the last fp arg doesn't fit in regs.
5517 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
5520 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
5521 that the last insn has the REG_INC note.
5523 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
5524 Nathan Sidwell <nathan@codesourcery.com>
5527 * stor-layout.c (update_alignment_for_field): Do not align
5529 (place_union_field): Place union field at the start of the union.
5530 (place_field): Move ERROR_MARK check later, and use the current
5531 allocation position to maintain monotonicity.
5533 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
5535 * dominance.c: Include timevar.h.
5536 (calculate_dominance_info): Use TV_DOMINANCE.
5537 * timevar.def (TV_DOMINANCE): New timevar.
5538 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
5540 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5542 PR rtl-optimization/14261
5543 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
5544 move would be an INSV insn.
5545 (noce_process_if_block): Don't optimize if the destination is a
5546 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
5548 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5550 * config/s390/s390.md: Add comments with the instructions emitted
5551 by an insn pattern if macros are used.
5553 2006-04-19 Alan Modra <amodra@bigpond.net.au>
5555 PR rtl-optimization/26026
5556 * fold-const.c (fold_binary): Optimize div and mod where the divisor
5557 is a known power of two shifted left a variable amount.
5559 2006-04-18 Geoffrey Keating <geoffk@apple.com>
5561 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
5562 to hash table twice when the debug_str section has SECTION_MERGE.
5564 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
5566 * config/soft-fp: New directory. From glibc.
5567 * config/soft-fp/t-softfp: New.
5568 * config/soft-fp/README: New.
5569 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
5570 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
5571 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
5572 (LIBGCC_DEPS): Add $(SFP_MACHINE).
5573 * config.gcc: Use rs6000/t-fprules-fpbit or
5574 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
5576 * config/rs6000/sfp-machine.h: New. Based on glibc.
5577 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
5579 * config/rs6000/t-fprules: Remove fp-bit rules.
5580 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
5581 * config/rs6000/t-linux64: Likewise. Remove duplicates from
5582 LIB2FUNCS_EXTRA. Remove fp-bit rules.
5583 (softfp_wrap_start, softfp_wrap_end): New.
5585 2006-04-18 DJ Delorie <dj@redhat.com>
5587 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
5589 2006-04-18 Devang Patel <dpatel@apple.com>
5591 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
5593 2006-04-18 Nick Clifton <nickc@redhat.com>
5595 * config/sh/t-symbian: Add rule to build sh-c.o
5596 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
5597 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
5598 (sh_symbian_encode_section_info): Likewise.
5600 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
5602 * builtins.c (expand_builtin_strcmp): Cover label definition of
5603 do_libcall with HAVE_cmpstrnsi.
5605 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
5607 * function.c (temp_slots_at_level, max_slot_level): Use VEC
5609 * function.h (temp_slot_p): New.
5610 (function): Change the type of x_used_temp_slots to
5611 VEC(temp_slot_p,gc) *.
5613 2006-04-18 Nick Clifton <nickc@redhat.com>
5615 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
5616 flag_strength_reduce.
5618 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
5620 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5624 Partial revert of revision 112637
5625 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5626 Dale Johannesen <dalej@apple.com>
5629 * regclass.c (struct reg_pref): Update documentation.
5630 (regclass): Set prefclass to NO_REGS if memory is the best option.
5631 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5633 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5635 PR tree-optimization/26821
5636 * tree-ssa-math-opts.c (get_constant_one): New.
5637 (insert_reciprocals): Use it.
5639 2006-04-17 Geoffrey Keating <geoffk@apple.com>
5641 * dwarf2out.c (free_AT): Delete.
5642 (remove_AT): Update string ref counts.
5643 (remove_child_TAG): Don't call free_die.
5645 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
5646 or DW_TAG_GNU_EINCL.
5647 (prune_unused_types_walk_attribs): Reset string refcounts.
5648 (prune_unused_types_update_strings): New.
5649 (prune_unused_types_prune): Don't make unnecessary stores. Don't
5650 call free_die. Do call prune_unused_types_update_strings.
5651 (prune_unused_types): Empty debug_str_hash.
5653 2006-04-17 Roger Sayle <roger@eyesopen.com>
5655 * expr.c (expand_assignment): Optimize away no-op moves where the
5656 source and destination are equal and have no side-effects.
5658 2006-04-17 Richard Guenther <rguenther@suse.de>
5661 * reload.c (push_reload): Guard calls to get_secondary_mem
5664 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
5666 * alias.c (reg_base_value, old_reg_base_value): Change the
5667 type to VEC(rtx,gc) *.
5668 (REG_BASE_VALUE, find_base_value, record_set,
5669 init_alias_analysis): Use VEC instead of VARRAY.
5671 * alias.c (alias_sets): Change the type to
5672 VEC(alias_set_entry,gc) *.
5673 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
5674 VEC instead of VARRAY.
5675 (last_alias_set): Remove.
5677 * cgraph.h (cgraph_edge_p): New.
5678 Update the prototype of cgraph_function_versioning.
5679 * cgraphunit.c (cgraph_copy_node_for_versioning,
5680 cgraph_function_versioning): Use VEC instead of VARRAY.
5681 * ipa-cp.c (ipcp_insert_stage): Likewise.
5683 2006-04-16 Roger Sayle <roger@eyesopen.com>
5686 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
5687 "A op B" or "A op C", we may need to convert A to the type of B and C.
5689 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
5691 * target.h (struct gcc_target): Add mode_rep_extended.
5692 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
5693 (init_num_sign_bit_copies_in_rep): Initialize it using
5695 (truncate_to_mode): Use it.
5696 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
5697 * targhooks.h (default_mode_rep_extended): Declare it.
5698 * targhooks.c (default_mode_rep_extended): Define it.
5699 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
5700 default_mode_rep_extended.
5701 (TARGET_INITIALIZER): Include it.
5702 * doc/tm.texi (Misc): Document it.
5703 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
5704 (mips_truncated_to_mode): New function.
5706 2006-04-16 Roger Sayle <roger@eyesopen.com>
5709 * expr.c (compress_float_constant): Copy the narrow constant into
5710 a new pseudo before extending it to its final width.
5712 2006-04-16 Roger Sayle <roger@eyesopen.com>
5713 Andrew Pinski <pinskia@gcc.gnu.org>
5714 Dale Johannesen <dalej@apple.com>
5717 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
5718 special case code to implement V8HImode and V16QImode with SSE2.
5720 2006-04-15 Roger Sayle <roger@eyesopen.com>
5722 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
5723 trees are constructed with a suitable tree type.
5725 2006-04-15 Roger Sayle <roger@eyesopen.com>
5727 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
5728 (integer_onep): Likewise.
5729 (integer_all_onesp): Likewise.
5730 (integer_pow2p): Likewise.
5731 (integer_nonzerop): Likewise.
5732 (real_zerop): Likewise.
5733 (real_onep): Likewise.
5734 (real_twop): Likewise.
5735 (real_minus_onep): Likewise.
5736 (int_size_in_bytes): Likewise.
5737 (host_integerp): Likewise.
5739 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
5741 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
5742 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
5743 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
5745 * tree-ssa-structalias.h (alias_info): Remove num_references.
5747 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5749 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
5750 (output_bvb patterns): Likewise.
5751 * pa.c (output_bb): Use 'bb' insn for long branch case.
5752 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
5753 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
5754 1. Correct length operand for alternatives 1 and 2.
5755 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
5756 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
5758 2006-04-14 Roger Sayle <roger@eyesopen.com>
5760 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
5761 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
5762 were accidentally reverted by r112959.
5764 2006-04-15 Jakub Jelinek <jakub@redhat.com>
5767 * except.h (eh_region_outermost): New prototype.
5768 * except.c (eh_region_outermost): New function.
5769 * tree-cfg.c (find_outermost_region_in_block): Use it.
5771 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5773 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
5775 * reload1.c (reg_equiv_memory_loc_varray): Rename to
5776 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
5777 (init_reload, reload): Use VEC instead of VARRAY.
5778 * reload.h: Update the prototype for
5779 reg_equiv_memory_loc_varray.
5781 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
5782 Eric Botcazou <ebotcazou@libertysurf.fr>
5784 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
5787 2005-04-13 Uros Bizjak <uros@kss-loka.si>
5790 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
5791 to expand fallback builtin function call.
5793 2006-04-14 Alan Modra <amodra@bigpond.net.au>
5796 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
5797 and emit libcall here in case the builtin fails.
5798 (expand_builtin_strcmp): Always emit the libcall here on failure.
5800 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5802 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
5803 * flow.c (reg_n_info): Change the type to
5804 VEC(reg_info_p,heap) *.
5805 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
5807 * regs.h (reg_info_p): New.
5808 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
5809 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
5810 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
5813 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
5815 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
5817 * params.h (MAX_SCHED_READY_INSNS): New macro.
5818 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
5819 past MAX_SCHED_READY_INSNS during the first scheduling pass.
5820 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
5821 the ready list for 1 cycle during the first scheduling pass.
5822 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
5824 2006-04-13 Richard Henderson <rth@redhat.com>
5827 * gimple-low.c (lower_omp_directive): Remove dead code.
5828 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
5829 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
5830 * omp-low.c (struct omp_region): Move to tree-flow.h.
5831 (root_omp_region): Export.
5832 (omp_regions, lookup_omp_region): Remove.
5833 (determine_parallel_type): Update for struct omp_region changes.
5834 (dump_omp_region): Dump regions with block numbers.
5835 (new_omp_region): Take type and block instead of stmt; malloc
5837 (free_omp_region_1, free_omp_regions): New.
5838 (expand_parallel_call): Take entry_stmt as argument; update for
5839 changes to omp_region.
5840 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
5841 (remove_exit_barriers): New.
5842 (expand_omp_parallel): Update for struct omp_region changes.
5843 (expand_omp_synch): Likewise.
5844 (expand_omp): Likewise.
5845 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
5846 (expand_omp_for_static_chunk): Likewise.
5847 (expand_omp_for): Likewise.
5848 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
5849 (expand_omp_sections): Similarly, with GOMP_sections_end.
5850 (expand_omp_single): New.
5851 (build_omp_regions_1): Update for OMP_CONTINUE.
5852 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
5853 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
5854 OMP_SECTIONS_SECTIONS.
5855 (lower_omp_single_simple): Don't emit barrier here.
5856 (lower_omp_single_copy): Likewise.
5857 (lower_omp_single): Fix bindings, and lower to straightline now.
5858 (lower_omp_master, lower_omp_ordered): Likewise.
5859 (lower_omp_critical): Likewise.
5860 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
5861 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
5862 omp edges, free it afterward.
5863 (make_omp_sections_edges): Remove.
5864 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
5865 (move_stmt_r): Handle OMP_CONTINUE.
5866 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
5867 statement pointers to basic blocks. Add type member.
5868 (root_omp_region, new_omp_region, free_omp_regions): Declare.
5869 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
5870 * tree-inline.c (estimate_num_insns_1): Likewise.
5871 * tree-pretty-print.c (dump_generic_node): Likewise.
5872 * tree-ssa-operands.c (get_expr_operands): Likewise.
5873 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
5874 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
5875 (OMP_CONTINUE): New.
5876 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
5877 (OMP_SECTIONS_SECTIONS): Remove.
5878 (OMP_SECTION_LAST): New.
5879 (OMP_RETURN_NOWAIT): New.
5881 2006-04-13 Roger Sayle <roger@eyesopen.com>
5883 * fold-const.c (native_encode_vector, native_interpret_real):
5884 Correct obvious mistakes in the previous check-in.
5886 2006-04-13 Roger Sayle <roger@eyesopen.com>
5888 * fold-const.c (native_encode_expr): New function to encode
5889 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
5890 or VECTOR_CST into a specified buffer.
5891 (native_encode_int): New function.
5892 (native_encode_real): New function.
5893 (native_encode_complex): New function.
5894 (native_encode_vector): New function.
5895 (native_interpret_expr): Inverse of native_encode_expr to convert
5896 a target representation into an INTEGER_CST, REAL_CST etc...
5897 (native_interpret_int): New function.
5898 (native_interpret_real): New function.
5899 (native_interpret_complex): New function.
5900 (native_interpret_vector): New function.
5901 (fold_view_convert_expr): New function to constant fold/evaluate
5902 a VIEW_CONVERT_EXPR of a suitable constant expression.
5903 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
5904 Change call of build1 to fold_build1 when constructing a
5907 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
5908 Ulrich Weigand <uweigand@de.ibm.com>
5911 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
5914 2006-04-13 Alan Modra <amodra@bigpond.net.au>
5917 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
5918 optimize to lo_sum for DFmode if !TARGET_FPRS.
5920 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5922 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
5923 delete_alias_info, compute_flow_sensitive_aliasing,
5924 group_aliases): Use VEC instead of VARRAY.
5925 * tree-ssa-structalias.c (update_alias_info): Likewise.
5926 * tree-ssa-structalias.h (alias_info): Change the type of
5927 processed_ptrs to VEC(tree,heap) *.
5929 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
5932 * config/sh/lib1funcs.h: New file, broken out of:
5933 * config/sh/lib1funcs.asm.
5934 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
5936 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
5937 * config/sh/lib1funcs-Os-4-200.asm: New file.
5938 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
5939 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
5940 (EXTRA_MULTILIB_PARTS): Include it.
5941 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
5942 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
5943 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
5944 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
5947 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5949 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
5950 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
5951 tpa_compact, root_var_init, type_var_init): Use VEC instead of
5953 * tree-ssa-live.h: Include vecprim.h.
5954 (tree_partition_associator_d): Change the type of
5955 first_partition to VEC(int,heap) *.
5956 (tpa_first_partition): Use VEC instead of VARRAY.
5958 * Makefile.in (GTFILES): Move functions.h after tree.h.
5959 * function.c (reset_block_changes, record_block_change,
5960 check_block_change, free_block_changes): Use VEC instead of
5962 * function.h (function): Change the type of
5963 ib_boundaries_block to VEC(tree,gc) *.
5964 * tree-inline.c (copy_cfg_body): Initialize
5965 ib_boundaries_block to NULL instead of (varray_type) 0.
5967 2006-04-12 Roger Sayle <roger@eyesopen.com>
5969 * expr.c (emit_group_store): Correct operand order in call to
5970 subreg_lowpart_offset. Always create paradoxical SUBREGs with
5971 a SUBREG_BYTE of zero.
5973 2006-04-12 Richard Guenther <rguenther@suse.de>
5975 * profile.c (compute_branch_probabilities): Remove code
5976 encapsulated in !ir_type (), which are remanents of the
5977 removed RTL profiling code.
5978 * rtl-profile.c: Remove.
5980 2006-04-12 Alan Modra <amodra@bigpond.net.au>
5982 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
5983 magic NULL_RTX comment.
5984 (function_arg): Store entire fp arg to mem if any part should go
5986 (rs6000_arg_partial_bytes): Adjust for above change.
5988 2006-04-11 Roger Sayle <roger@eyesopen.com>
5990 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
5991 if it hasn't been initialized by dwarf2out_init.
5993 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
5995 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
5996 symbolic constants in branch patterns.
5998 2006-04-11 Roger Sayle <roger@eyesopen.com>
6000 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
6002 2006-04-11 Richard Sandiford <richard@codesourcery.com>
6004 PR rtl-optimization/27073
6005 * gcse.c (try_replace_reg): Revert last change. Continue to search
6006 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
6009 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6011 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
6012 aggregate types other than record and union types.
6013 (function_arg): Likewise.
6014 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
6016 (function_value): In 64-bit mode, return objects that require it
6019 2006-04-11 Roger Sayle <roger@eyesopen.com>
6021 * dwarf2out.c (premark_used_types): Remove problematic prototype.
6023 2006-04-11 Jakub Jelinek <jakub@redhat.com>
6025 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
6027 2006-04-03 Jeff Law <law@redhat.com>
6030 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
6031 alias information too.
6033 2006-04-10 Mike Frysinger <vapier@gentoo.org>
6035 * Makefile.in (gcc-cross): Add $(exeext) to target name.
6037 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
6040 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
6041 (premark_used_types_helper): New.
6042 (premark_used_types): New.
6043 (gen_subprogram_die): Call premark_used_types.
6044 (prune_unused_types_walk): Do not prune perennial dies.
6045 * function.c (used_types_insert): New.
6046 * function.h (struct function): Add used_types_hash field.
6047 (used_types_insert): Add prototype.
6048 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
6049 * c-parser.c (c_parser_cast_expression): Save casted types in used
6052 2006-04-11 Mark Mitchell <mark@codesourcery.com>
6055 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
6056 rs6000_explicit_options.float_gprs.
6058 2006-04-10 Roger Sayle <roger@eyesopen.com>
6060 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
6061 from ix86_expand_vector_init_low_nonzero. Take an additional
6062 one_var argument indicating which element is non-zero. Support
6063 one_var != 0 for V4SFmode and V4SImode by permuting the result.
6064 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
6065 with one_var instead of ix86_expand_vector_init_low_nonzero.
6067 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
6069 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
6070 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
6071 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
6072 build/genextract.o): Depend on vecprim.h.
6073 * cfglayout.c, df-problems.c, function.c, genextract.c,
6074 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
6075 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
6079 2006-04-10 Geoffrey Keating <geoffk@apple.com>
6081 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
6082 Declare VECs of this type.
6083 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
6084 (remove_children): Delete.
6085 (add_dwarf_attr): Use VEC routines.
6086 (add_AT_flag): Update for changes to add_dwarf_attr.
6087 (add_AT_int): Likewise.
6088 (add_AT_unsigned): Likewise.
6089 (add_AT_long_long): Likewise.
6090 (add_AT_vec): Likewise.
6091 (add_AT_string): Likewise.
6092 (add_AT_die_ref): Likewise.
6093 (add_AT_fde_ref): Likewise.
6094 (add_AT_loc): Likewise.
6095 (add_AT_loc_list): Likewise.
6096 (add_AT_addr): Likewise.
6097 (add_AT_lbl_id): Likewise.
6098 (add_AT_lineptr): Likewise.
6099 (add_AT_macptr): Likewise.
6100 (add_AT_offset): Likewise.
6101 (add_AT_range_list): Likewise.
6102 (get_AT): Use VEC_iterate.
6103 (remove_AT): Use VEC_ordered_remove.
6104 (free_die): Fold remove_children into here; have it use VEC_iterate.
6105 (print_die): Use VEC_iterate on attrs.
6106 (reverse_die_lists): Don't reverse attr lists.
6107 (die_checksum): Use VEC_iterate on attrs.
6108 (same_die_p): Likewise.
6109 (output_location_lists): Likewise.
6110 (build_abbrev_table): Likewise.
6111 (size_of_die): Likewise.
6112 (unmark_all_dies): Likewise.
6113 (output_abbrev_section): Likewise.
6114 (output_die): Likewise.
6115 (prune_unused_types_walk_attribs): Likewise.
6117 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6119 * doc/install.texi (*-*-solaris2*): Point to the configure page.
6121 2006-04-10 Jakub Jelinek <jakub@redhat.com>
6124 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
6126 2006-04-09 Roger Sayle <roger@eyesopen.com>
6128 * expr.c (store_constructor): Don't bother clearing target if
6129 we're about to assign a vector to it using vec_init_optab.
6131 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
6133 * tree-ssa-alias.c (lhs_may_store_to): New function.
6134 (recalculate_used_alone): Handle LHS of calls.
6136 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6140 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
6141 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
6142 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
6143 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
6144 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
6145 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
6146 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
6147 stubs. Add ".align 8" directives before all ".dword" directives.
6148 (GTHREAD_USE_WEAK): Revise comment.
6149 (TARGET_ATTRIBUTE_WEAK): Define.
6150 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
6151 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
6152 * stublib.c: New file.
6157 * pa.md (cbranch patterns): Revise arguments used in calls to
6158 output_cbranch, output_bb and output_bvd. Add long branch length
6160 (fbranch patterns): Handle long branches.
6161 (jump): Revise length check. Revise arguments for output_lbranch call.
6162 Add long branch length attributes.
6163 (decrement_and_branch_until_zero): Add long branch length attributes.
6164 (output_movb, output_parallel_addb and output_parallel_movb patterns):
6165 Likewise. Revise arguments for output_parallel_addb and
6166 output_parallel_movb calls.
6167 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
6168 output_parallel_movb and output_parallel_addb): Update prototypes.
6169 * pa.c (output_cbranch): Revise arguments. Correct handling of
6170 nullification in long branches.
6171 (output_lbranch): Add new argument to control extraction of delay
6173 (output_bb): Handle long branches.
6174 (output_bvb, output_dbra, output_movb, output_parallel_movb,
6175 output_parallel_addb): Likewise.
6177 2006-04-09 Richard Sandiford <richard@codesourcery.com>
6179 PR rtl-optimization/27073
6180 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
6183 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
6185 * tree.h (tree_memory_tag): Add old_used_alone.
6186 (SMT_OLD_USED_ALONE): New macro.
6187 * tree-ssa-alias.c (recalculate_used_alone): Stop
6188 marking things for renaming unnecessarily.
6190 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
6192 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
6193 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
6194 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
6195 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
6196 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
6197 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
6198 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
6199 spelling convensions.
6200 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
6201 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
6202 typos. Follow spelling conventions.
6204 2006-04-07 DJ Delorie <dj@redhat.com>
6206 * config/m32c/m32c.c (m32c_function_arg): Structures are always
6207 passed on the stack.
6208 (m32c_init_cumulative_args): When a function returns a structure,
6209 always pass the pointer to that return area on the stack.
6210 (m32c_function_arg_advance): Don't increment the parameter number
6211 if we're processing the returned structure pointer.
6212 (pushm_info): Reverse order of registers.
6214 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
6216 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
6217 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
6218 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
6219 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
6221 * tree-chrec.c (chrec_fold_multiply_poly_poly,
6222 chrec_fold_multiply): Same.
6223 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
6224 force_expr_to_var_cost): Same.
6225 * tree-mudflap.c (mf_xform_derefs_1): Same.
6226 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
6228 2006-04-07 David Edelsohn <edelsohn@gnu.org>
6230 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
6231 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
6234 2006-04-07 Jan Hubicka <jh@suse.cz>
6236 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
6238 2006-04-07 Richard Guenther <rguenther@suse.de>
6240 PR tree-optimization/26135
6241 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
6242 loads for store copy-prop.
6243 (copy_prop_visit_stmt): Likewise.
6245 2006-04-05 Robert Millan <robertmh@gnu.org>
6247 * config/i386/linux.h: Add a comment to mark macros that are
6248 being overriden in config/k*bsd-gnu.h.
6249 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
6251 * config/knetbsd-gnu.h: Ditto.
6253 2006-04-06 Jan Hubicka <jh@suse.cz>
6257 * coverage.c (coverage_checksum_string): Reorganize loop to not read
6260 2006-04-06 Mike Stump <mrs@apple.com>
6262 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
6263 for HAVE_nonlocal_goto to be consistent.
6264 (expand_builtin_nonlocal_goto): Likewise.
6265 (expand_builtin_strcmp): Use #ifdef instead of #if
6266 for HAVE_cmpstrnsi to be consistent.
6268 2006-04-05 DJ Delorie <dj@redhat.com>
6270 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
6273 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
6275 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
6276 got-relative addressing for anything but SImode.
6278 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
6279 even if the calling function doesn't modify them.
6281 2006-04-05 Richard Guenther <rguenther@suse.de>
6283 PR tree-optimization/26919
6284 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
6285 to cgraph_estimate_size_after_inlining.
6287 2006-04-05 Alan Modra <amodra@bigpond.net.au>
6289 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
6291 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
6293 PR tree-optimization/26996
6294 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
6295 VECTOR_TYPE variables.
6297 2006-04-05 Richard Guenther <rguenther@suse.de>
6299 PR tree-optimization/26763
6300 * fold-const.c (fold_comparison): Move folding of
6301 PTR + CST CMP PTR + CST ...
6302 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
6304 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
6306 * doc/install.texi (Prerequisites): Refine some wording on
6307 bootstrapping and ksh.
6308 Move the version numbers of DejaGnu here from the testing section
6309 and fix casing of names.
6310 Fix markup and clarify wording for autogen requirements.
6311 Refer to GCJ instead of just java.
6312 Refer to SVN instead of CVS.
6313 Describe diffutils as useful instead of necessary.
6314 (Downloading the source): Refer to SVN instead of CVS.
6315 Adjust a link to our web site accordingly.
6316 (Configuration): Fix casing of Bison.
6317 (Building): Refer to SVN instead of CVS.
6318 Fix a sentence on the use of Bison and remove duplicate (and
6319 incorrect) version number of Bison requirement.
6320 Remove one redundant list of packages needed for building.
6321 (Specific): Avoid reference to CVS.
6323 2006-04-04 Eric Christopher <echristo@apple.com>
6325 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
6326 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
6327 (rs6000_handle_struct_attribute): New.
6328 (rs6000_ms_bitfield_layout_p): Ditto.
6330 2006-04-04 Geoffrey Keating <geoffk@apple.com>
6332 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
6333 NULL for dso parameter to atexit_common.
6335 2006-04-04 Eric Christopher <echristo@apple.com>
6337 * config/i386/i386.c (machopic_output_stub): Output \t
6338 between instructions and operands.
6340 2006-04-04 David Edelsohn <edelsohn@gnu.org>
6342 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
6343 satisfies_constraint_[IL] to explicit tests on value.
6345 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
6347 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6348 set_nb_iterations_in_loop): Use build_int_cst instead of
6350 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
6351 build_int_cst instead of convert.
6353 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
6355 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
6356 new value 2 for incoming.
6357 * function.c (expand_function_start): Call struct_value_rtx
6359 * config/sparc/sparc.md: Comment updated_return.
6360 * config/sparc/sparc.opt: Add -mstd-struct-return option.
6361 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
6362 struct return if sparc_std_struct_return and incoming is 2.
6363 (print_operand): Do not adjust return if
6364 sparc_std_struct_return.
6366 2006-04-04 Roger Sayle <roger@eyesopen.com>
6368 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
6369 convert in the middle-end.
6370 * expr.c (store_expr, store_constructor, get_inner_reference,
6371 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
6373 * tree.c (build_range_type): Likewise.
6375 2006-04-04 Tom Tromey <tromey@redhat.com>
6377 * doc/install.texi (Prerequisites): Mention jar.
6379 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
6381 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
6384 2006-04-04 Matthias Klose <doko@debian.org>
6386 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
6387 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
6390 2006-04-03 Geoffrey Keating <geoffk@apple.com>
6392 * doc/extend.texi (Function Attributes): Rewrite visibility
6393 attribute documentation.
6394 * doc/invoke.texi (C++ Dialect Options): Rewrite
6395 -fvisibility-inlines-hidden documentation to describe something
6396 entirely different, although in practise compatible.
6397 (Code Gen Options): Warn about system headers in -fvisibility=
6400 * doc/extend.texi (Other Builtins): Document that
6401 __builtin_nan is a compile-time constant only when its argument
6404 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
6406 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
6407 trying to remove TRUNCATE check if all bits outside the new mode
6408 are identical to the sign bit.
6410 2006-04-03 Jeff Law <law@redhat.com>
6412 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
6413 and operand scanning in some common cases.
6415 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6416 Dale Johannesen <dalej@apple.com>
6419 * regclass.c (struct reg_pref): Update documentation.
6420 (regclass): Set prefclass to NO_REGS if memory is the best option.
6421 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6422 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
6423 into account. For non-registers, equate an empty preferred
6424 reload class to a `!' in the constraint; move the if clause to
6425 do so after those that reject the insn.
6426 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
6428 (find_dummy_reload): Likewise.
6429 * doc/tm.texi (Register Classes): Document what it means
6430 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
6431 * config/i386/i386.c (ix86_preferred_reload_class): Force
6432 using SSE registers (and return NO_REGS for floating-point
6433 constants) if math is done with SSE.
6434 (ix86_preferred_output_reload_class): New.
6435 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
6436 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
6437 * config/i386/i386.md: Remove # register preferences.
6439 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6442 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6443 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
6444 the type of nb_iter.
6445 (instantiate_parameters_1): Convert the operands before calling
6446 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
6447 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
6449 2006-04-02 Roger Sayle <roger@eyesopen.com>
6451 * builtins.c (dummy_object): Use build_int_cst instead of convert.
6452 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
6454 * dojump.c (do_jump): Likewise.
6455 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
6456 * gimplify.c (gimple_boolify, gimplify_init_constructor,
6457 gimplify_boolean_expr): Likewise.
6458 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
6459 * varasm.c (array_size_for_constructor): Likewise.
6460 * tree-object-size.c (compute_object_offset): Likewise.
6462 2006-04-02 Roger Sayle <roger@eyesopen.com>
6465 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
6466 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
6468 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6470 PR tree-optimization/26939
6471 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
6473 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6475 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
6476 at_stmt. Convert the type of operands before calling
6477 build_polynomial_chrec.
6478 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
6480 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
6481 (instantiate_parameters_1): Convert the type of operands before calling
6482 build_polynomial_chrec.
6483 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
6484 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
6485 reset_evolution_in_loop): Insert asserts to check the types of the
6487 (chrec_type): Moved...
6488 (eq_evolutions_p): Use operand_equal_p.
6489 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
6490 the types of the operands.
6491 (chrec_type): ...here.
6492 * tree-data-ref.c (create_data_ref): Convert the operands before
6493 calling chrec_replace_initial_condition.
6494 (same_access_functions, analyze_subscript_affine_affine,
6495 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
6496 (compute_subscript_distance, analyze_ziv_subscript,
6497 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
6498 analyze_miv_subscript): Convert the operands before calling
6499 chrec_fold_minus or chrec_fold_plus.
6501 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6503 * tree-data-ref.c (compute_all_dependences): Use a pointer to
6504 the dependence_relations vector.
6505 (compute_data_dependences_for_loop): Adjust call to
6506 compute_all_dependences.
6508 2006-04-01 Roger Sayle <roger@eyesopen.com>
6509 Richard Henderson <rth@redhat.com>
6511 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
6512 gimple_boolify on the condition before calling gimplify_expr.
6514 2006-03-31 Bob Wilson <bob.wilson@acm.org>
6516 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
6517 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
6518 the frame size. Update to use the new macros.
6519 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
6520 * config/xtensa/ieee754-df.S: Likewise.
6522 2006-03-31 Richard Henderson <rth@redhat.com>
6524 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
6525 (make_edges): ... here. Control fallthru creation with a local
6526 variable. Do not play with fake edges.
6527 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
6528 (make_goto_expr_edges): Don't play with fake edges. Make for_call
6531 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
6533 * dwarf2.h (DW64_CIE_ID): Define.
6534 * dwarf2out.c (DWARF_CIE_ID): Define.
6535 (output_call_frame_info): Output 0xffffffff before standard 8-byte
6536 length header. Use DWARF_CIE_ID.
6537 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
6538 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
6540 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
6542 * config/sh/linux-atomic.asm: New file.
6543 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
6545 2006-03-31 DJ Delorie <dj@redhat.com>
6547 * config/m32c/cond.md: Set condition flags properly throughout.
6548 * config/m32c/minmax.md: Likewise.
6549 * config/m32c/prologue.md: Likewise.
6550 * config/m32c/bitops.md: Likewise.
6551 * config/m32c/muldiv.md: Likewise.
6552 * config/m32c/mov.md: Likewise.
6553 * config/m32c/addsub.md: Likewise.
6554 * config/m32c/m32c.md: Likewise.
6555 * config/m32c/jump.md: Likewise.
6556 * config/m32c/shift.md: Likewise.
6558 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
6559 conditionally output the pattern for this.
6560 * config/m32c/m32c.c (flags_needed_for_conditional): New.
6561 (m32c_compare_redundant): New.
6562 (m32c_output_compare): New.
6563 * config/m32c/m32c-protos.h (m32c_output_compare): New.
6565 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
6566 dest, not src. Allow other 4-byte modes.
6568 2006-03-30 Denis Chertykov <denisc@overta.ru>
6570 * doc/md.texi: Refer to avr/constraints.md instead of
6573 2006-03-30 Roger Sayle <roger@eyesopen.com>
6575 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
6576 signed vs. unsigned comparison failures on some hosts.
6578 2006-03-31 Alan Modra <amodra@bigpond.net.au>
6581 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
6582 change to FLOAT_REGS.
6584 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
6585 (rs6000_override_options): Use it.
6586 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
6587 only for -mabi=spe/no-spe and -mabi=altivec.
6589 2006-03-30 Geoffrey Keating <geoffk@apple.com>
6591 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
6594 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
6596 * Makefile.in: Rename docdir to gcc_docdir.
6598 2006-03-30 Roger Sayle <roger@eyesopen.com>
6601 * expr.c (emit_group_store): Optimize group stores into a pseudo
6602 register by using a paradoxical subreg to initialize the destination
6603 if the first or last member of the group specifies a "low part".
6605 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6608 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
6609 * target.h (struct gcc_target.speculate_insn): Change type of the
6610 second parameter to 'int'.
6611 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
6612 the second operand of the DEPS_LIST.
6613 (copy_DEPS_LIST_list): Update reference to the second operand of the
6615 * rtl.h (alloc_DEPS_LIST): Update signature.
6616 * sched-int.h (ds_t): Change typedef to 'int'.
6617 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6619 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6621 * haifa-sched.c (try_ready): Change condition to restore
6622 non-speculative pattern of the instruction.
6623 (process_insn_depend_be_in_spec): Code to keep probability of the
6624 speculative dependence non-decreasing.
6626 2006-03-30 Jie Zhang <jie.zhang@analog.com>
6628 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
6629 (single_move_for_movmem): ... this. Also change all uses.
6630 (bfin_expand_strmov): Renamed to...
6631 (bfin_expand_movmem): ... this. Also change all uses.
6632 * config/bfin/bfin.md (movstrsi): Renamed to...
6633 (movstrsi): ...this.
6635 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
6637 PR tree-optimization/26830
6639 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
6640 (copy_prop_visit_stmt): Remove write-only variable ann.
6641 (init_copy_prop): Check variable loop depth here. Do not simulate
6642 memory-tag and virtual operand PHIs except for store copy prop.
6644 2006-03-30 Richard Guenther <rguenther@suse.de>
6646 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
6647 variants with double arguments.
6649 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6651 * genpreds.c (write_tm_constrs_h): Delete variable p.
6652 * genconditions.c (write_header): Add tm-constrs.h to included
6654 * genpeep.c (main): Add toplev.h to included headers.
6655 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
6656 (build/genpeep.o): Add toplev.h dependency.
6657 * config/rs6000/constraints.md: Add "W" constraint.
6659 2006-03-29 Roger Sayle <roger@eyesopen.com>
6661 * stor-layout.c (mode_for_size_tree): Remove restiction on type
6662 sizes by correctly testing whether the size fits a host integer.
6663 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
6664 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
6665 SImode range for the default sizetype and bitsizetype.
6667 2006-03-29 Roger Sayle <roger@eyesopen.com>
6669 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
6670 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
6671 quickly if the argument is already of the correct type.
6672 Call fold_build1 instead of build1. Tidy up blank lines.
6674 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6676 * genemit.c (main): Add tm-constrs.h to included headers.
6677 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
6678 * genpeep.c (main): Add tm-constrs.h to included headers.
6679 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
6680 (write_tm_constrs_h): this and write complete file.
6681 (write_tm_preds_h): Do not emit satisfies_constraint fns.
6682 (write_insn_preds_c): Add tm-constrs.h to included headers.
6683 (gen_constrs): New variable.
6684 (parse_option): Parse "-c".
6685 (main): Invoke write_tm_constrs_h.
6686 * genrecog.c (write_header): Add tm-constrs.h to included headers.
6687 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
6688 (object_out_file): Add tm-constrs.h dependency.
6689 (insn-emit.o): Same.
6690 (insn-output.o): Same.
6691 (insn-peep.o): Same.
6692 (insn-preds.o): Same.
6693 (insn-recog.o): Same.
6694 (tm-constsr.h): New target.
6695 (s-constrs-h): New target.
6697 * config/rs6000/constraints.md: New file.
6698 * config/rs6000/rs6000.c: Include tm-constrs.h.
6699 (num_insn_constant_wide): Convert to satisfies_constraint.
6700 (rs6000_rtx_costs): Convert to satisfies_constraint.
6701 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
6702 (CONST_OK_FOR_LETTER_P): Delete.
6703 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6704 (EXTRA_CONSTRAINT): Delete.
6705 (EXTRA_MEMORY_CONSTRAINT): Delete.
6706 (EXTRA_ADDRESS_CONSTRAINT): Delete.
6707 * config/rs6000/predicates.md: Convert to satisfies_constraint.
6708 * config/rs6000/rs6000.md: Include constraints.md. Convert to
6709 satisfies_constraint.
6711 * config/i386/i386.c: Include tm-constrs.h.
6713 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6715 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
6716 * tree-data-ref.c (find_data_references_in_loop,
6717 compute_data_dependences_for_loop): Use pointers to VEC.
6718 (analyze_all_data_dependences): Adjust calls.
6719 * tree-data-ref.h (find_data_references_in_loop,
6720 compute_data_dependences_for_loop): Adjust declarations.
6721 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
6722 compute_data_dependences_for_loop.
6724 2006-03-29 Paul Brook <paul@codesourcery.com>
6726 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
6729 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6731 PR tree-optimization/26859
6732 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
6734 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
6735 for the step after fold_convert.
6737 2006-03-29 Paul Brook <paul@codesourcery.com>
6739 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
6740 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
6742 2006-03-29 Paul Brook <paul@codesourcery.com>
6745 * targhooks.c (default_narrow_bitfield): New fuction.
6746 * targhooks.h (default_narrow_bitfield): add prototype.
6747 * target.h (gcc_target): Add narrow_volatile_bitfield.
6748 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6749 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
6750 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
6751 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6753 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
6755 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
6757 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
6758 (NR_C_MODES): Add TDmode, DDmode and SDmode.
6759 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
6760 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
6761 (s390_function_arg_float): Allow SDmode and DDmode values to be
6762 passed in floating point registers.
6763 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
6764 check with SCALAR_FLOAT_MODE_P.
6765 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
6767 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6769 PR tree-optimization/25985
6770 * tree-ssa-loop-niter.c (number_of_iterations_le,
6771 number_of_iterations_ne): Make comments more precise.
6772 (number_of_iterations_cond): Add only_exit argument. Use the
6773 fact that signed variables do not overflow only when only_exit
6775 (loop_only_exit_p): New.
6776 (number_of_iterations_exit): Pass result of loop_only_exit_p to
6777 number_of_iterations_cond.
6779 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6781 PR tree-optimization/26643
6782 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
6785 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
6787 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
6788 (divsi3_i4_int): Likewise.
6790 2006-03-28 Roger Sayle <roger@eyesopen.com>
6792 * expr.c (emit_group_store): Only create a new pseudo reg if the
6793 quantity it needs to hold isn't already a suitable pseudo.
6795 2006-03-28 Jeff Law <law@redhat.com>
6797 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
6798 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
6800 2006-03-28 Roger Sayle <roger@eyesopen.com>
6802 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
6803 the equivalent ~X & Y, and the symmetry related transformations.
6804 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
6805 ~X & Y, and symmetry related transforms.
6807 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6809 Revert my 2006-03-27 patches.
6811 2006-03-28 Roger Sayle <roger@eyesopen.com>
6813 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
6814 ~(T1)X, when T1 and T2 are integer types of the same precision
6815 and (T2)X isn't an extension.
6817 2006-03-28 Jeff Law <law@redhat.com>
6819 PR tree-optimization/26796
6820 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
6821 need EH edge cleanups rather than purging them immediately.
6822 (eliminate_degenerate_phis): Handle queued EH cleanups.
6824 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
6826 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
6829 2006-03-27 Roger Sayle <roger@eyesopen.com>
6832 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
6833 cast BIT_NOT_EXPR operand to the correct type.
6835 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
6837 * tree-loop-linear.c: Don't include varray.h.
6838 (gather_interchange_stats, try_interchange_loops,
6839 linear_transform_loops): Use VEC instead of VARRAY.
6840 * lambda-mat.c: Don't include varray.h.
6841 * tree-chrec.c: Same.
6842 * lambda-trans.c: Same.
6843 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
6844 VEC instead of VARRAY.
6845 * tree-vectorizer.h: Idem.
6846 * tree-data-ref.c (dump_data_references,
6847 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
6848 initialize_data_dependence_relation, finalize_ddr_dependent,
6849 compute_all_dependences, find_data_references_in_loop,
6850 compute_data_dependences_for_loop, analyze_all_data_dependences,
6851 free_dependence_relation, free_dependence_relations,
6852 free_data_refs): Idem.
6853 * tree-data-ref.h (data_reference_p, subscript_p): New.
6854 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
6855 VEC instead of VARRAY.
6856 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
6857 (find_data_references_in_loop, compute_data_dependences_for_loop,
6858 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
6859 dump_data_dependence_relations, free_dependence_relations,
6860 free_data_refs): Adjust declaration.
6861 (lambda_transform_legal_p): Move declaration here...
6862 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
6863 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
6864 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
6865 vect_analyze_data_refs): Use VEC instead of VARRAY.
6866 * lambda.h (lambda_transform_legal_p): ...from here.
6867 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
6868 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
6869 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
6870 tree-chrec.o): Don't depend on VARRAY_H.
6872 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6874 * rtl.def (Copyright): Update date.
6875 (DEPS_LIST): Change type of the second operand to 'int'.
6876 * target.h (Copyright): Update date.
6877 (struct gcc_target.speculate_insn): Change type of the second parameter
6879 * lists.c (Copyright): Update date.
6880 (alloc_DEPS_LIST): Change signature. Update reference to the second
6881 operand of the DEPS_LIST.
6882 (copy_DEPS_LIST_list): Update reference to the second operand of the
6884 * rtl.h (Copyright): Update date.
6885 (alloc_DEPS_LIST): Update signature.
6886 * sched-int.h (Copyright): Update date.
6887 (ds_t): Change typedef to 'int'.
6888 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6890 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6892 * haifa-sched.c (Copyright): Update date.
6893 (try_ready): Change condition to restore non-speculative pattern
6895 (process_insn_depend_be_in_spec): Code to keep probability of the
6896 speculative dependence non-decreasing.
6898 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
6900 * regrename.c (replace_oldest_value_addr): Initialize a variable to
6901 shut up the compiler.
6903 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
6905 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
6906 to use lib prefix for target.
6907 ($(T)libic_invalidate_array_4-200.a): Likewise.
6908 ($(T)libic_invalidate_array_4a.a): Likewise.
6910 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
6911 J"orn Rennecke <joern.rennecke@st.com>
6913 * superh.opt: New file.
6914 * sh.c (boardtype, osruntime): Remove.
6915 * superh.h (SUBTARGET_OPTIONS): Remove.
6916 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
6918 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
6919 arguments with ^ and/or [].
6921 * config.gcc (sh-*-*): Add quoting to account for quirk of
6923 Replace == with = in enable_incomplete_targets test.
6925 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
6926 with MASK_LITTLE_ENDIAN.
6928 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
6929 * config/sh/sh.opt: Added to some comments.
6930 * config/sh/superh.h: Removed some chaff.
6932 * config/sh/sh.opt: Add m4-[1234]00* options.
6933 * config/sh/sh.c (sh_handle_option): Likewise.
6934 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
6935 (ic_invalidate_array_4-100.o): New rule.
6936 ($(T)libic_invalidate_array_4-100.a): Likewise.
6937 (ic_invalidate_array_4-200.o): Likewise.
6938 ($(T)libic_invalidate_array_4-200.a): Likewise.
6939 (ic_invalidate_array_4a.o): Likewise.
6940 ($(T)libic_invalidate_array_4a.a): Likewise.
6941 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
6942 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
6944 * config/sh/crt1.asm: Merged in profiling code.
6945 * config/sh/superh.h (STARTFILE_SPEC): Override.
6946 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
6947 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
6948 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
6950 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
6951 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
6952 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
6954 * sh.opt (mpretend-cmove): New option.
6955 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
6956 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
6957 (movsicc): Add TARGET_PRETEND_CMOVE code.
6959 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
6961 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
6962 s390_class_max_nregs): New function prototypes.
6963 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
6964 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
6965 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
6966 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
6968 2006-03-26 Geoffrey Keating <geoffk@apple.com>
6970 * dwarf2out.c (add_location_or_const_value_attribute): Call
6971 tree_add_const_value_attribute if nothing else works.
6972 (reference_to_unused): New.
6973 (rtl_for_decl_init): Use reference_to_unused to decide whether
6974 to output an initializer.
6976 2006-03-27 Alan Modra <amodra@bigpond.net.au>
6979 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
6980 peephole removing spe frob_di_df_2.
6982 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
6984 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
6985 (subscript_dependence_tester_1): Declared.
6986 (print_dir_vectors, print_dist_vectors): New.
6987 (debug_data_dependence_relation): New.
6988 (dump_data_dependence_relation): Print more details.
6989 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
6990 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
6991 (save_dist_v, save_dir_v, add_outer_distances,
6992 build_classic_dist_vector_1): New.
6993 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
6994 Don't test for lambda_vector_lexico_pos.
6995 (same_access_functions, add_multivariate_self_dist,
6996 add_other_self_distances, dir_from_dist): New.
6997 (build_classic_dir_vector): Replace implementation almost identical to
6998 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
7000 (subscript_dependence_tester_1): New.
7001 (subscript_dependence_tester): Handle the lexicographically negative
7002 distance vectors by recomputing the dependence relation.
7003 (compute_affine_dependence): Remove parameter loop_nest_depth.
7004 (compute_self_dependence): Don't call compute_subscript_distance.
7005 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
7006 Add a parameter for the loop_nest.
7007 (find_loop_nest_1, find_loop_nest): New.
7008 (compute_data_dependences_for_loop): Compute the loop nest, and give
7009 up if the nest is not well formed.
7010 * tree-data-ref.h (loop_p): New.
7011 (struct data_dependence_relation): Replace size_vect field with
7012 loop_nest, a vec of loops.
7013 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
7014 (DDR_LOOP_NEST): New.
7015 (print_dir_vectors, print_dist_vectors,
7016 debug_data_dependence_relation): Declared.
7017 (index_in_loop_nest): New.
7018 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
7019 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
7022 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
7024 * simplify-rtx.c (simplify_relational_operation): Call
7025 simplify_relational_operation_1 even if mode is VOIDmode.
7027 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
7029 PR tree-optimization/26804
7030 * tree.h (DECL_CALL_CLOBBERED): New macro.
7031 (tree_decl_common): Add call_clobbered_flag.
7032 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
7033 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
7034 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
7035 (mark_non_addressable): Ditto.
7036 * tree-ssa.c (verify_call_clobbered): New function.
7037 (verify_alias_info): Use it.
7038 * tree-pass.h (pass_reset_cc_flags): New prototype.
7039 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
7040 (reset_cc_flags): New function.
7041 * passes.c (init_optimization_passes): Call reset_cc_flags after
7042 initializing referenced_vars.
7044 2006-03-25 Uros Bizjak <uros@kss-loka.si>
7045 Roger Sayle <roger@eyesopen.com>
7048 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
7049 to 1.0 for non-real operands. Implement A / A optimization for
7052 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
7054 * config/i386/i386.c (size_cost): Correct the comment for
7055 cost of storing fp registers.
7056 (i386_cost): Likewise.
7057 (i486_cost): Likewise.
7058 (pentium_cost): Likewise.
7059 (pentiumpro_cost): Likewise.
7060 (k6_cost): Likewise.
7061 (athlon_cost): Likewise.
7062 (k8_cost): Likewise.
7063 (pentium4_cost): Likewise.
7064 (nocona_cost): Likewise.
7065 (generic64_cost): Likewise.
7066 (generic32_cost): Likewise.
7068 2006-03-24 Denis Chertykov <denisc@overta.ru>
7070 * config/avr/avr-protos.h (extra_constraint): Delete.
7071 (extra_constraint_Q): New declaration.
7072 * config/avr/constraints.md: New file.
7073 * config/avr/avr.md: Include it.
7074 (REG_X, REG_Y, REG_Z, REG_W): New constants.
7075 (TMP_REGNO, ZERO_REGNO): Likewise.
7076 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
7077 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
7078 (extra_constraint): Delete.
7079 (extra_constraint_Q): Test for memory constraint 'Q'.
7080 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
7081 (REG_CLASS_FROM_LETTER): Delete.
7082 (CONST_OK_FOR_LETTER_P): Delete.
7083 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7084 (EXTRA_CONSTRAINT): Delete.
7085 (TMP_REGNO): Delete.
7086 (ZERO_REGNO): Delete.
7088 2006-03-24 Jeff Law <law@redhat.com>
7090 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
7091 directly. Call mark_new_vars_to_rename slightly earlier.
7093 2006-03-24 Geoffrey Keating <geoffk@apple.com>
7095 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
7097 (gen_compile_unit_die): Use new language types for Objective-C and
7099 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
7100 DW_LANG_C_plus_plus.
7103 * config/t-darwin (crt3.o): Work around bug 26840.
7104 * config/darwin-crt3.c: Rewrite.
7105 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
7107 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
7109 * doc/invoke.texi: Document -femit-class-debug-always
7110 * common.opt: Add -femit-class-debug-always.
7112 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
7114 * config/s390/s390.c (s390_decompose_address): Allow SImode for
7115 index and base register.
7116 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
7117 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
7118 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
7119 REGNO_OK_FOR_INDEX_P.
7120 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
7122 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
7123 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
7124 REG_OK_FOR_BASE_P): Definitions removed.
7126 2006-03-24 Jakub Jelinek <jakub@redhat.com>
7129 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
7130 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
7131 set yet or weren't marked as local yet.
7133 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
7135 * regrename.c (scan_rtx_address): Initialize a variable to shut up
7138 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
7140 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
7141 (rs6000_legitimate_small_data_p): Delete.
7142 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
7143 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
7144 and make static. Add forward declaration. Update uses.
7145 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
7146 of offsettable_memref_p.
7147 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
7148 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
7150 2006-03-24 Jeff Law <law@redhat.com>
7152 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
7153 around bug in immediate-use iterator.
7155 2006-03-24 Alan Modra <amodra@bigpond.net.au>
7158 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
7159 or __LITTLE_ENDIAN__.
7161 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
7163 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
7164 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
7165 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
7166 * config/sh/sh.opt (mdiv=): Amend description.
7167 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
7168 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
7169 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
7170 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
7171 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
7172 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
7173 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
7174 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
7175 TARGET_DIVIDE_CALL_FP.
7177 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7179 * haifa-sched.c (choose_ready): Fix type of the local variable.
7180 Move local variables. Add comment.
7181 (check_reg_live): Change signature. Make callable from debugger.
7182 * sched-int.h (check_reg_live): Update signature.
7183 * sched-ebb.c (check_reg_live): Update parameters.
7184 * sched-rgn.c (check_reg_live): Ditto.
7185 (region_head_or_leaf_p): Check pointer before dereferencing.
7186 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
7187 before reload on optimization levels below 1.
7189 2006-03-23 Richard Henderson <rth@redhat.com>
7191 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
7195 * config/alpha/predicates.md (local_symbolic_operand): Reject
7198 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
7201 * tree-ssa-pre.c (create_value_expr_from): Don't reject
7202 expressions which have overflowed constants.
7204 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7206 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
7208 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7210 * cfgloopmanip.c (create_loop_notes): Removed.
7211 * final.c (final_scan_insn): Do not handle loop notes.
7212 * jump.c (squeeze_notes): Ditto.
7213 * cfglayout.c (skip_insns_after_block,
7214 duplicate_insn_chain): Ditto.
7215 * cfgcleanup.c (rest_of_handle_jump2): Do not call
7217 * cfgloop.h (create_loop_notes): Declaration removed.
7219 2006-03-23 Richard Sandiford <richard@codesourcery.com>
7221 * varasm.c (output_constant_pool): Restore fnname and fndecl
7223 (assemble_start_function): Adjust call accordingly.
7224 (assemble_end_function): Likewise.
7226 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7229 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
7232 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
7234 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7237 * system.h (ICE_EXIT_CODE): New macro.
7238 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
7239 (diagnostic_action_after_output): Likewise.
7240 * gcc.c (fatal_ice): New function.
7241 (execute): Use it instead of fatal.
7242 (fancy_abort): Likewise.
7243 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
7245 2006-03-22 Jeff Law <law@redhat.com>
7247 * loop-unroll.c (analyze_iv_to_split_insn): Handle
7248 iv_analyze_result returning false.
7250 2006-03-22 Jie Zhang <jie.zhang@analog.com>
7252 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
7254 2006-03-22 Richard Henderson <rth@redhat.com>
7257 * except.c (duplicate_eh_regions_0): New.
7258 (duplicate_eh_region_1): Duplicate the children of the node as
7259 well as the node itself. Link them up properly.
7260 (duplicate_eh_region_2): Merge into ...
7261 (duplicate_eh_regions): ... here. Take copy_region argument, and
7262 copy only a sub-tree if asked. Simplify copying and fixup.
7263 (eh_region_outer_p): New.
7264 * except.h (duplicate_eh_regions): Update decl.
7265 (eh_region_outer_p): Declare.
7266 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
7267 (lower_omp_master): Likewise.
7268 (lower_omp_ordered): Likewise.
7269 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
7270 (move_stmt_r): Use it to remap labels. Handle recursion vs
7271 remap_decls_p properly.
7272 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
7273 (find_outermost_region_in_block): New.
7274 (new_label_mapper): New.
7275 (move_sese_region_to_fn): Copy eh information to the new function
7277 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
7279 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
7282 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7284 * doc/md.texi (-mshared): Mention that -mshared code can be linked
7285 into shared libraries.
7287 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7289 * doc/md.texi: Refer to i386/constraints.md instead of
7291 * config/i386/constraints.md: New file, extracted from...
7292 * config/i386/predicates.md: ...here.
7293 * config/i386/i386.md: Include constraints.md.
7295 2006-03-21 Jason Merrill <jason@redhat.com>
7297 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
7300 * expr.c (init_block_move_fn): Force default visibility.
7301 (init_block_clear_fn): Likewise.
7302 * builtins.c (expand_builtin_fork_or_exec): Likewise.
7303 * targhooks.c (default_external_stack_protect_fail): Likewise.
7305 2006-03-21 Richard Sandiford <richard@codesourcery.com>
7307 * config/mips/predicates.md (const_call_insn_operand): Allow direct
7308 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
7309 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
7310 Use TARGET_OLDABI instead of !TARGET_NEWABI.
7311 (loadgp): Use mips_current_loadgp_style.
7312 (loadgp_noshared): New pattern.
7313 (sibcall_internal): Use MIPS_CALL.
7314 (sibcall_value_internal): Likewise.
7315 (sibcall_value_multiple_internal): Likewise.
7316 (call_internal): Likewise.
7317 (call_value_internal): Likewise.
7318 (call_value_multiple_internal): Likewise.
7319 (call_split): Use MIPS_CALL and add an 'S' constraint.
7320 (call_value_split): Likewise.
7321 (call_value_multiple_split): Likewise.
7322 * config/mips/mips.opt (-mabicalls): Tweak docstring.
7323 (-mshared): New option.
7324 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
7325 (mips_current_loadgp_style): Declare.
7326 * config/mips/mips.c (mips_classify_symbol): Avoid using
7327 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
7328 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
7329 TARGET_ABSOLUTE_ABICALLS.
7330 (override_options): Adjust comments. Improve the warning that is
7331 issued when -mabicalls and -G are used together.
7332 (mips_file_start): Remove comment.
7333 (mips_current_loadgp_style): New function.
7334 (mips_gnu_local_gp): New variable.
7335 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
7337 (mips_output_function_prologue): Use mips_current_laodgp_style.
7338 (mips_expand_prologue): Call mips_emit_loadgp before emitting
7339 the cprestore instruction.
7340 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
7341 live for TARGET_ABSOLUTE_ABICALLS.
7342 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
7343 (ASM_SPEC): Pass down -mshared and -mno-shared.
7344 (MIPS_CALL): New macro.
7345 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
7347 * doc/invoke.texi (-mabicalls): Update documentation.
7348 (-mshared): Document.
7350 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7352 * config/ia64/unwind-hpux.c: New file.
7353 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
7355 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7358 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
7360 2006-03-21 Jeff Law <law@redhat.com>
7362 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
7363 type conversions of a VR_VARYING source to a wider type.
7365 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
7367 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
7368 tm_file on Solaris 10 and later.
7369 (sparc64-*-solaris2*): Likewise.
7370 (sparc-*-solaris2*): Likewise.
7371 * config/sol26.h: Rename to config/sol2-6.h.
7372 * config/sol2-10.h: New file.
7374 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
7377 * tree-ssa-pre.c (create_component_ref_by_pieces):
7380 2006-03-21 Jakub Jelinek <jakub@redhat.com>
7383 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
7384 return it immediately.
7386 2006-03-21 Michael Matz <matz@suse.de>
7388 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
7390 (remove_arc, add_arc): Update num_out_arcs member.
7391 (set_out_arc_insns_equiv_num): Returns nothing instead of number
7393 (cache_presence): New function.
7394 (compare_states_for_equiv): New function.
7395 (state_is_differed): Don't take number of outargs, adjust callers.
7396 Use new invariant for speeding up.
7397 (init_equiv_class): Create initial classes based on sorted
7399 (partition_equiv_class): Don't track out_arcs_num.
7400 (evaluate_equiv_classes): Call cache_presence on all states and
7403 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
7405 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
7406 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
7407 (bfin_valid_reg_p): Test for pseudos explicitly and use only
7408 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
7410 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
7411 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
7412 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
7413 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
7414 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
7416 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
7417 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
7418 (REGNO_REG_CLASS): ARGP is in PREGS.
7419 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
7421 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
7422 to deal with those addresses.
7423 * addresses.h: New file.
7424 * caller-save.c: Include "addresses.h".
7425 (init_caller_save): Use new base_reg_class function.
7426 * rtl-factoring.c: Include "addresses.h".
7427 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
7428 * recog.c: Include "addresses.h".
7429 (preprocess_constraints): Use new base_reg_class function.
7430 * regrename.c: Include "addresses.h".
7431 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
7432 functions. Keep track of a new var INDEX_CODE to compute valid
7434 (replace_oldest_value_addr): Likewise.
7435 (replace_oldest_value_mem): Use base_reg_class.
7436 * reload.c: Include "addresses.h".
7437 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
7438 (find_reloads): Use new base_reg_class function.
7439 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
7440 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
7441 all callers and prototype changed.
7442 * reload1.c: Include "addresses.h".
7443 (maybe_fix_stack_asms): Use base_reg_class.
7444 * regclass.c: Include "addresses.h".
7445 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
7446 (init_reg_autoinc): Use new base_reg_class function.
7447 (record_reg_classes): Likewise.
7448 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
7449 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
7450 Use new args to compute necessary class.
7452 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
7453 regrename.o, rtl-factoring.o): Update dependencies.
7454 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
7455 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
7456 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
7457 REG_OK_FOR_INDEX_P): Delete documentation.
7459 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
7461 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
7462 from V7 to V9 for Solaris 7 and above.
7464 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
7466 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
7467 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
7468 argument pointers may not alias any other storage.
7469 * common.opt: Define option -fargument-noalias-anything.
7470 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
7471 alias semantics is specified by flag_argument_noalias > 2.
7473 2006-03-20 Jeff Law <law@redhat.com>
7475 * tree-pass.h (pass_phi_only_copy_prop): Delete.
7476 (pass_phi_only_cprop): Declare.
7477 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
7479 * tree-ssa-dom.c (degenerate_phi_result): New function.
7480 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
7481 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
7482 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
7483 (eliminate_degenerate_phis): Likewise.
7484 (pass_phi_only_cprop): New pass descriptor.
7485 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
7486 support code. Callers updated.
7487 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
7488 (store_copy_prop): Likewise.
7489 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
7491 2006-03-20 Jason Merrill <jason@redhat.com>
7494 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
7495 (push_visibility, pop_visibility): Likewise.
7496 * c-pragma.h: Declare them.
7498 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
7500 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
7502 * config/sh/sh.c (find_regmode_weight): Change the type of the first
7503 parameter and use get_ebb_head_tail.
7504 (sh_md_init_global): Adjust uses of find_regmode_weight.
7506 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
7508 * function.h (struct function) <x_tail_recursion_reentry>:
7509 Rename to x_stack_check_probe_note.
7510 (tail_recursion_reentry): Rename to stack_check_probe_note.
7511 * function.c: Replace tail_recursion_reentry with
7512 stack_check_probe_note everywhere.
7513 (expand_function_start): Only emit a note for
7514 stack_check_probe_note with -fstack-protect.
7515 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
7517 * emit-rtl.c (remove_unnecessary_notes): Remove.
7518 (pass_remove_unnecessary_notes): Remove.
7519 * rtl.h (remove_unnecessary_notes): Remove prototype.
7520 * final.c (final_start_function): Don't call remove_unnecessary_notes.
7521 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
7522 * passes.c (pass_remove_unnecessary_notes): Don't run it.
7524 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
7527 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
7528 (valid_in_set): Handle ARRAY_REF.
7529 Change "if min_variant or VH" to asserts.
7530 (create_component_ref_by_pieces): Handle ARRAY_REF.
7531 (create_expression_by_pieces): Likewise.
7532 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
7534 2006-03-20 David Edelsohn <edelsohn@gnu.org>
7536 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
7537 is operand of switch, not str[0].
7539 2006-03-20 Alan Modra <amodra@bigpond.net.au>
7541 * config/rs6000/rs6000.c (rs6000_handle_option): Use
7542 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
7544 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7546 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
7547 end of insn_extra_address_constraint declaration.
7549 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7551 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
7552 (no-sum-in-toc): Same.
7553 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
7555 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
7556 NO_FP_IN_TOC for -fPIC instead of mask.
7558 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
7559 (BOOT_LDFLAGS): Delete.
7561 * config/rs6000/t-aix52: Same.
7563 * config/rs6000/rs6000.md (store_multiple_power): Delete.
7564 (stmsi[345678]_power): New.
7566 2006-03-17 Steve Ellcey <sje@cup.hp.com>
7568 * config/ia64/ia64.opt: Add empty line to end of file.
7570 2006-03-17 Richard Guenther <rguenther@suse.de>
7573 * builtins.c (get_pointer_alignment): For component style references
7574 adjust alignment to the component type alignment. Make sure
7575 to adjust alignment for component access of constants.
7577 2006-03-17 David Edelsohn <edelsohn@gnu.org>
7579 * config/rs6000/rs6000.md (strlensi): Emit barrier after
7582 2006-03-17 Paul Brook <paul@codesourcery.com>
7584 * doc/install.texi: Docuemnt --with-mode.
7585 * config.gcc: Add --with-mode for arm*-*-*.
7586 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
7588 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
7590 * sh.c (max_labelno_before_reorg): New variable.
7591 (sh_reorg): Initialize it.
7592 (find_barrier): Check max_labelno_before_reorg before using
7593 label_to_alignment. Take length of explicit alignment insns
7594 into account. When seeing a UNSPECV_CONST_END, return it.
7596 * sh.c (fixup_mova): Set mode of affected label to QImode.
7597 (untangle_mova): New function.
7598 (find_barrier): Use it. Check mode of label before decrementing
7600 (sh_reorg): Likewise.
7601 Set mode of all insns back to VOIDmode.
7603 * sh.c (MOVA_LABELREF): New macro.
7604 (mova_p, fixup_mova, sh_reorg): Use it.
7605 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
7606 ADDR_DIFF_VEC matches mova.
7608 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
7610 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
7611 with ATTRIBUTE_UNUSED.
7613 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7615 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7616 pointer, instead of assuming it is possible to derive the
7617 correct args size from a call insn.
7619 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7621 * rtl.h (CONST_INT_P): Define.
7622 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
7623 instead of GET_CODE(x) == CONST_INT.
7624 (vax_rtx_costs): Likewise.
7625 (vax_output_int_move): Likewise.
7626 (vax_output_int_add): Likewise.
7627 (legitimate_constant_address_p): Likewise.
7628 (index_term_p): Likewise.
7629 * config/vax/vax.h (PRINT_OPERAND): Likewise.
7630 * config/vax/vax.md (and<mode>3): Likewise.
7631 (ashrsi3): Likewise.
7633 (movstricthi): Likewise.
7634 (movstrictqi): Likewise.
7635 (rotrsi3): Likewise.
7636 (five unnamed insns): Likewise.
7638 2006-03-16 Geoffrey Keating <geoffk@apple.com>
7640 * doc/tm.texi (SDB and DWARF): Add extra parameter to
7641 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
7642 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
7643 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
7644 Pass to ASM_OUTPUT_DWARF_OFFSET.
7645 * dwarf2out.c (debug_frame_section): New.
7646 (output_call_frame_info): Use debug_frame_section. Pass it to
7647 dw2_asm_output_offset.
7648 (output_die): Pass appropriate section to dw2_asm_output_offset.
7649 (output_compilation_unit_header): Likewise.
7650 (output_pubnames): Likewise.
7651 (output_aranges): Likewise.
7652 (enum dw_val_class): Break dw_val_class_lbl_offset into
7653 dw_val_class_lineptr and dw_val_class_macptr.
7654 (add_AT_lbl_offset): Delete.
7655 (add_AT_lineptr): New.
7656 (add_AT_macptr): New.
7657 (AT_lbl): Expect a lineptr or macptr.
7658 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
7659 (attr_checksum): Likewise.
7660 (same_dw_val_p): Likewise.
7661 (size_of_die): Likewise.
7662 (value_format): Likewise.
7663 (output_die): Likewise.
7664 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
7666 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7667 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
7668 * config/darwin-protos.h (darwin_file_start): New.
7669 (darwin_asm_output_dwarf_offset): New.
7670 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7671 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
7673 * config/darwin.c (darwin_emit_unwind_label): Don't output label
7674 if not EH section; simplify.
7675 (darwin_file_start): New.
7676 (darwin_asm_output_dwarf_offset): New.
7677 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
7679 (DEBUG_INFO_SECTION): Likewise.
7680 (DEBUG_ABBREV_SECTION): Likewise.
7681 (DEBUG_ARANGES_SECTION): Likewise.
7682 (DEBUG_MACINFO_SECTION): Likewise.
7683 (DEBUG_LINE_SECTION): Likewise.
7684 (DEBUG_LOC_SECTION): Likewise.
7685 (DEBUG_PUBNAMES_SECTION): Likewise.
7686 (DEBUG_STR_SECTION): Likewise.
7687 (DEBUG_RANGES_SECTION): Likewise.
7688 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
7689 (ASM_OUTPUT_DWARF_OFFSET): New.
7691 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
7693 * config.gcc (tm_defines): Always add to previous value rather
7696 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7698 * config/mips/predicates.md (splittable_const_int_operand): New,
7699 split from move_operand.
7700 (splittable_symbolic_operand): New.
7701 (move_operand): Add commentary. Use splittable_const_int_operand.
7702 Inline mips_atomic_symbolic_constant_p.
7703 * config/mips/mips.md: Add combine splitters for handling moves
7704 of splittable_const_int_operands and splittable_symbolic_operands.
7705 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
7706 (mips_split_symbol): Declare.
7707 (mips_move_integer): Declare.
7708 * config/mips/mips.c (mips_split_p): Make global.
7709 (TARGET_MIN_ANCHOR_OFFSET): Override default.
7710 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7711 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7712 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
7713 (mips_offset_within_object_p): Handle block symbols.
7714 (mips_atomic_symbolic_constant_p): Delete.
7715 (mips_cannot_force_const_mem): Return false for constants that
7716 mips_legitimize_move can handle.
7717 (mips_use_blocks_for_constant_p): New function.
7718 (mips_split_symbol): Make global.
7719 (mips_move_integer): Likewise. Add a temporary register argument.
7720 (mips_legitimize_const_move): Use splittable_const_int_operand and
7721 splittable_symbolic_operand.
7722 (mips_use_anchors_for_symbol_p): New function.
7723 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
7724 (mips_split_p): Declare.
7726 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7728 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
7729 (mips*-*-linux*): Likewise.
7731 2006-03-16 Roger Sayle <roger@eyesopen.com>
7732 Daniel Speyer <dspeyer@wam.umd.edu>
7735 * tree-dump.c (dump_real): New function.
7736 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
7737 * Makefile.in (REAL_H): New macro for dependencies on real.h.
7738 (tree-dump.o): Add $(REAL_H) to the dependencies.
7740 2006-03-16 Roger Sayle <roger@eyesopen.com>
7743 * real.c (real_from_string): If the mantissa is zero, don't bother
7744 parsing the exponent as the result should always be zero.
7746 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
7748 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
7750 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7752 * config/ia64/ia64.c (stops_p): Added explicit initialization.
7753 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
7754 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
7755 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
7756 ia64_sched_finish_global): New static functions to implement
7757 hooks from gcc_target.sched.
7758 (spec_check_no, max_uid, pending_data_specs): New static variables.
7759 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
7760 ia64_spec_check_src_p): New static functions.
7761 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
7762 (TARGET_SCHED_ADJUST_COST): Removed.
7763 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
7764 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
7765 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7766 TARGET_SCHED_GEN_CHECK,
7767 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7768 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
7769 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
7770 Fixed to handle speculation checks.
7771 (rtx_needs_barrier): Fixed to handle speculative loads and
7773 (ia64_variable_issue): Added code to count speculative loads and their
7775 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
7777 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
7779 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
7781 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
7782 (ia64_reorg): Reset stops_p to NULL after it is freed.
7783 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
7784 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
7785 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
7787 (data_speculative, control_speculative, check_load): New attributes.
7788 (mov<mode>_advanced, mov<mode>_speculative,
7789 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
7790 zero_extend<mode>di2_speculative,
7791 zero_extend<mode>di2_speculative_advanced): New patterns for
7792 data and control speculative loads.
7793 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
7795 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
7796 New pattern for data and control speculation checks.
7797 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
7798 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
7799 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
7800 Auxiliary definitions for the patterns.
7801 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
7802 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
7804 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
7806 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
7807 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
7808 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
7809 New resource constraints.
7810 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
7812 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
7813 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
7814 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7815 msched-in-control-spec, msched-ldc, msched-control-ldc,
7816 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7817 msched-prefer-non-control-spec-insns,
7818 msched-count-spec-in-critical-path): New flags to tune speculative
7820 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
7821 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7822 msched-in-control-spec, msched-ldc, msched-control-ldc,
7823 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7824 msched-prefer-non-control-spec-insns,
7825 msched-count-spec-in-critical-path): Document new flags.
7827 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7829 * target.h (struct spec_info_def): New opaque declaration.
7830 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
7831 speculate_insn, needs_block_p, gen_check,
7832 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
7833 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
7834 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
7835 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
7836 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7837 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
7839 (TARGET_SCHED): Use new macros.
7840 * rtl.h (copy_DEPS_LIST_list): New prototype.
7841 * sched-int.h (struct sched_info): Change signature of new_ready field,
7842 adjust all initializations. New fields: add_remove_insn,
7843 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
7844 region_head_or_leaf_p.
7845 (struct spec_info_def): New structure declaration.
7846 (spec_info_t): New typedef.
7847 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
7848 recovery_block, orig_pat.
7849 (glat_start, glat_end): New variables declaraions.
7850 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
7852 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
7853 DETACH_LIFE_INFO, USE_GLAT.
7854 (enum SPEC_SCHED_FLAGS): New enumeration.
7855 (NOTE_NOTE_BB_P): New macro.
7856 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
7857 attach_life_info, debug_spec_status, check_reg_live): New functions.
7858 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
7859 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
7861 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
7862 * ddg.c (get_block_head_tail): Adjust all uses.
7863 * modulo-sched.c (get_block_head_tail): Adjust all uses.
7864 (sms_sched_info): Initialize new fields.
7865 (contributes_to_priority): Removed.
7866 * haifa-sched.c (params.h): New include.
7867 (get_block_head_tail): Adjust all uses.
7868 (ISSUE_POINTS): New macro.
7869 (glat_start, glat_end): New global variables.
7870 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
7871 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
7872 old_last_basic_block, before_recovery, current_sched_info_var,
7873 rgn_n_insns, luid): New static variables.
7874 (insn_cost1): New function. Move logic from insn_cost to here.
7875 (find_insn_reg_weight1): New function. Move logic from
7876 find_insn_reg_weight to here.
7877 (reemit_notes, move_insn, max_issue): Change signature.
7878 (move_insn1): Removed.
7879 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
7880 extend_bb): New static functions to support extension of scheduler's
7882 (generate_recovery_code, process_insn_depend_be_in_spec,
7883 begin_speculative_block, add_to_speculative_block,
7884 init_before_recovery, create_recovery_block, create_check_block_twin,
7885 fix_recovery_deps): New static functions to support
7886 generation of recovery code.
7887 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
7888 restore_bb_notes, move_block_after_check, move_succs): New static
7889 functions to support ebb scheduling.
7890 (init_glat, init_glat1, attach_life_info1, free_glat): New static
7891 functions to support handling of register live information.
7892 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
7893 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
7894 add_jump_dependencies): New static functions.
7895 (check_cfg, has_edge_p, check_sched_flags): New static functions for
7896 consistancy checking.
7897 (debug_spec_status): New function to call from debugger.
7898 (priority): Added code to handle speculation checks.
7899 (rank_for_schedule): Added code to distinguish speculative instructions.
7900 (schedule_insn): Added code to handle speculation checks.
7901 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
7902 Fixed to handle ebbs.
7903 (move_insn): Added code to handle ebb scheduling.
7904 (max_issue): Added code to use ISSUE_POINTS of instructions.
7905 (choose_ready): Added code to choose between speculative and
7906 non-speculative instructions.
7907 (schedule_block): Added code to handle ebb scheduling and scheduling of
7908 speculative instructions.
7909 (sched_init): Initialize new variables.
7910 (sched_finish): Free new variables. Print statistics.
7911 (try_ready): Added code to handle speculative instructions.
7912 * lists.c (copy_DEPS_LIST_list): New function.
7913 * sched-deps.c (extend_dependency_caches): New function. Move logic
7914 from create_dependency_caches to here.
7915 (get_dep_weak, ds_merge): Make global.
7916 * genattr.c (main): Code to output prototype for
7917 dfa_clear_single_insn_cache.
7918 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
7919 (output_dfa_clean_insn_cache_func): Code to output
7920 dfa_clear_single_insn_cache function.
7921 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
7923 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
7925 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
7926 New static variables.
7927 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
7928 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
7930 (ebb_sched_info): Initialize new fields.
7931 (get_block_head_tail): Adjust all uses.
7932 (compute_jump_reg_dependencies): Fixed to use glat_start.
7933 (schedule_ebb): Code to remove unreachable last block.
7934 (schedule_ebbs): Added code to update register live information.
7935 * sched-rgn.c (region_sched_info): Initialize new fields.
7936 (get_block_head_tail): Adjust all uses.
7937 (last_was_jump): Removed. Adjust users.
7938 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
7939 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
7940 Implement new hooks.
7941 (check_dead_notes1): New static function.
7942 (struct region): New fields: dont_calc_deps, has_real_ebb.
7943 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
7944 (BB_TO_BLOCK): Fixed to handle EBBs.
7945 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
7946 (ebb_head): New static variable.
7947 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
7948 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
7950 (compute_dom_prob_ps): New assertion.
7951 (check_live_1, update_live_1): Fixed to work with glat_start instead of
7952 global_live_at_start.
7953 (init_ready_list): New assertions.
7954 (can_schedule_ready_p): Split update code to begin_schedule_ready.
7955 (new_ready): Add support for BEGIN_CONTROL speculation.
7956 (schedule_insns): Fixed code that updates register live information
7958 (schedule_region): Fixed to handle EBBs.
7959 (init_regions): Use extend_regions and check_dead_notes1.
7960 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
7961 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
7962 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
7963 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7964 TARGET_SCHED_GEN_CHECK,
7965 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7966 TARGET_SCHED_SET_SCHED_FLAGS): Document.
7967 * doc/invoke.texi (max-sched-insn-conflict-delay,
7968 sched-spec-prob-cutoff): Document.
7970 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7972 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
7973 inter_tick, queue_index.
7974 (struct sched_info): Change signature of init_ready_list field.
7975 Adjust all initializations.
7976 (RESOLVED_DEPS): New access macro.
7977 (ready_add): Remove prototype.
7978 (try_ready): Add prototype.
7979 * sched-rgn.c (init_ready_list): Use try_ready.
7980 (schedule_region): Initialize
7981 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
7982 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
7983 (init_ready_list): Use try_ready.
7984 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
7985 * lists.c (remove_list_elem): Remove `static'.
7986 (remove_free_INSN_LIST_elem): New function.
7987 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
7988 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
7989 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
7991 (readyp): New variable.
7992 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
7993 change_queue_index, resolve_dep): New static functions.
7994 (try_ready): New function. Adjust callers in sched-rgn.c and
7995 sched-ebb.c to use it instead of ready_add.
7996 (clock_var): Move at the begining of file.
7997 (rank_for_schedule): Fix typo.
7998 (queue_insn): Add assertion. Handle QUEUE_INDEX.
7999 (ready_lastpos): Enforce assertion.
8000 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
8002 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
8003 (schedule_insn): Rewrite to use try_ready and resolve_dep.
8004 (queue_to_ready): Use free_INSN_LIST_list.
8005 (early_queue_to_ready): Fix typo.
8006 (schedule_block): Init readyp. Move init_ready_list call after the
8007 initialization of clock_var. Fix error in rejecting insn by
8008 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
8009 that previously corrected INSN_TICKs. Add code for handling
8011 (set_priorities): Fix typo.
8012 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
8013 Clarify comment and code that keeps current_sched_info->next_tail
8016 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8018 * sched-rgn.c (extend_rgns): New static function.
8019 (find_rgns): Use it.
8020 (gather_region_statistics, print_region_statistics): New static
8022 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
8023 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
8025 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8026 Andrey Belevantsev <abel@ispras.ru>
8028 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
8029 * lists.c (unused_deps_list): New variable.
8030 (free_list): Add assertions to verify the proper distinguishing
8031 between INSN_LISTs and DEPS_LISTs.
8032 (find_list_elem, remove_list_elem, remove_list_node): New static
8034 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
8035 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
8036 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
8037 (alloc_INSN_LIST): Assert that the list we're working on is indeed
8039 (free_INSN_LIST_node): Likewise.
8040 * modulo-sched.c (current_sched_info): Initialize flags field.
8041 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
8042 * rtl.def (DEPS_LIST): Define.
8043 * rtl.h: Declare new functions from lists.c.
8044 * sched-deps.c (spec_dependency_cache): New static variable.
8045 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
8046 (add_dependence): Change return type to void. Move the logic to ...
8047 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
8048 (delete_all_dependences): Add comment about forward_dependency_cache.
8049 Handle spec_dependency_cache. Handle DEPS_LISTs.
8050 (fixup_sched_groups): Clarify the change of priority of output
8051 and anti dependencies.
8052 (sched_analyze_2): Adjust add_dependence calls to create data
8053 speculative dependence.
8054 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
8055 Adjust all callers. Handle DEPS_LISTS.
8056 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
8057 presence of speculation.
8058 (init_dependency_caches, free_dependency_caches):
8059 Handle spec_dependency_cache.
8060 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
8061 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
8062 New static functions.
8063 (add_or_update_back_dep, add_or_update_back_forw_dep,
8064 add_back_forw_dep, delete_back_forw_dep): New functions.
8065 * sched-int.h (ds_t, dw_t): New typedefs.
8066 (struct sched_info): Add new field flags.
8067 (struct haifa_insn_data): Add new bitfield has_internal_dep.
8068 Prototype new sched-deps.c functions.
8069 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
8070 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
8071 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
8072 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
8073 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
8074 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
8076 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
8078 * sched-rgn.c (current_sched_info): Initialize flags field.
8079 (schedule_insns): Initialize current_sched_info before the sched_init
8081 * sched-ebb.c (current_sched_info): Initialize flags field.
8082 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
8083 Call add_or_update_back_dep instead of add_dependence.
8084 Create control speculative dependencies.
8085 (schedule_insns): Initialize current_sched_info before the sched_init
8088 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
8090 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
8092 (sh_fallback_frame_state): Likewise.
8094 2006-03-15 Geoffrey Keating <geoffk@apple.com>
8096 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
8097 Do switch on default_use_cxa_atexit.
8098 (powerpc*-*-darwin*): Build crt2.o on powerpc.
8099 * config/darwin-crt3.o: New.
8100 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
8101 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
8102 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
8104 * config/rs6000/t-darwin: Move crt2.o building to here.
8105 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
8106 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
8109 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8111 * config/vax/vax.c (nonindexed_address_p): Change logical negation
8112 from '! xxx' to '!xxx' for coding-style conformance.
8113 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
8114 (EXTRA_CONSTRAINT): Likewise.
8115 * config/vax/vax.md (four unnamed insns): Likewise.
8117 2006-03-15 Paul Brook <paul@codesourcery.com>
8119 * config/arm/arm.c (minipool_pad): New.
8120 (add_minipool_forward_ref): Include pool alignment padding in address
8122 (push_minipool_fix): Set minipool_pad.
8123 (minipool_pad): Ditto.
8125 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8127 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
8128 instead of GET_CODE() == MEM and REG_P() instead of
8130 (print_operand_address): Likewise.
8131 (vax_address_cost): Likewise.
8132 (vax_rtx_costs): Likewise.
8133 (vax_notice_update_cc): Likewise.
8134 (vax_output_int_add): Likewise.
8135 (INDEX_REGISTER_P): Likewise.
8136 (BASE_REGISTER_P): Likewise.
8137 (nonindexed_address_p): Likewise.
8138 (vax_mode_dependent_address_p): Likewise.
8139 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
8140 (PRINT_OPERAND): Likewise.
8141 * config/vax/vax.md (ashlsi3): Likewise.
8142 (ashlsi3): Likewise.
8143 (some more unnamed insns): Likewise.
8145 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
8147 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
8148 iterator-style macro.
8149 (mark_control_dependent_edges_necessary): Update the use of
8150 EXECUTE_IF_CONTROL_DEPENDENT.
8152 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
8154 * config/sh/predicates.md (cache_address_operand): Special.
8155 (ua_address_operand): Likewise.
8157 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
8159 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
8161 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
8163 2006-03-15 Andreas Schwab <schwab@suse.de>
8165 * gensupport.c (identify_predicable_attribute): Don't free p_false
8166 when it is still in use.
8168 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
8170 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
8171 the default setting here.
8173 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
8175 * tree-pass.h (pass_cfg): Remove.
8176 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
8177 * passes.c (pass_cfg): Don't run it.
8179 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
8181 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
8182 * reg-stack.c (stack_regs_mentioned_data): Change the type to
8184 (stack_regs_mentioned): Update the uses of
8185 stack_regs_mentioned_data. Don't access the array beyond its
8187 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
8188 Don't include gt-reg-stack.h.
8190 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
8191 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
8193 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
8196 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
8199 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8201 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
8203 2006-03-14 Richard Guenther <rguenther@suse.de>
8205 PR tree-optimization/26672
8206 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
8209 2006-03-14 Richard Guenther <rguenther@suse.de>
8211 PR tree-optimization/26667
8212 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
8213 node for the callees. Always allow inlining if it will shrink
8216 2006-03-14 Richard Guenther <rguenther@suse.de>
8219 * builtins.c (get_pointer_alignment): Prefer alignment
8220 information from decls over that from types.
8222 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
8225 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
8227 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
8229 * config/rs6000/rs6000.opt (mdlmzb): New option.
8230 (msched-prolog, msched-epilog): Use Var not Mask.
8231 * doc/invoke.texi (-mdlmzb): Document.
8232 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
8234 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
8235 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
8237 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
8239 PR rtl-optimization/25739
8240 * bt-load.c (augment_live_range): Free tos pointer.
8242 * gensupport.c (identify_predicable_attribute): Free
8244 * gcov.c (create_file_names): Free name pointer.
8246 2006-03-13 Roger Sayle <roger@eyesopen.com>
8249 * stmt.c (emit_case_nodes): Handle the case where the index is a
8250 CONST_INT, where the comparison mode is specified by the index type.
8252 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8254 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
8257 2006-03-13 Richard Sandiford <richard@codesourcery.com>
8259 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
8260 (*branch_fp_inverted): Likewise.
8262 2006-03-13 Jakub Jelinek <jakub@redhat.com>
8265 * omp-low.c (expand_omp_for_generic): Mark istart0
8266 and iend0 as addressable.
8268 2006-03-13 Jie Zhang <jie.zhang@analog.com>
8270 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
8272 2006-03-13 Jeff Law <law@redhat.com>
8274 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
8275 virtual operands are interesting.
8276 (vrp_visit_stmt): Corresponding changes.
8278 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
8280 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
8282 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
8283 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
8284 * config/bfin/crti.S: Use it instead of __PIC__.
8285 * config/bfin/crtn.S: Likewise.
8287 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
8288 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
8290 Lose 'G' modifier for call operand.
8291 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
8292 recognize 'G' modifier.
8294 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
8297 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
8298 * stmt.c (expand_case): Likewise.
8300 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8302 PR rtl-optimization/26254
8303 * loop-invariant.c (seq_insns_valid_p): New function.
8304 (move_invariant_reg): Only emit new code if it is valid.
8306 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8308 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
8310 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
8311 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
8312 (commit_one_edge_insertion): Do not look for loop notes.
8314 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8316 * jump.c (follow_jumps): Do not check for loop notes. Move check for
8317 flag_test_coverage out of loop.
8319 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8321 * final.c (shorten_branches): Remove outdated comment, and turn
8322 the if branch that guards it to continue.
8324 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8326 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
8327 * cfgloop.h (struct loop): Remove unused fields.
8329 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
8331 * doc/invoke.texi (-fdump-rtl-loop): Remove.
8332 (-dL, -fdump-rtl-loop2): Update the dump file names
8334 * doc/invoke.texi: Update dump file names.
8336 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
8338 * predict.c (estimate_probability): Remove.
8339 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
8340 * basic-block.h (estimate_probability): Remove prototype.
8341 * passes.c (finish_optimization_passes): Dump branch prediction or
8342 profiling heuristics to the .profile tree dump.
8343 (init_optimization_passes): Unqueue pass_branch_prob.
8345 * doc/invoke.texi (-fdump-rtl-bp): Remove.
8347 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8349 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
8350 * rtl.h (LABEL_NEXTREF): Remove field accessor.
8352 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
8354 * function.h (frame_offset_overflow): Declare.
8355 * function.c (frame_offset_overflow): New function.
8356 (assign_stack_local_1): Call it to detect that the offset overflows.
8357 * cfgexpand.c (alloc_stack_frame_space): Likewise.
8359 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8361 * config/sh/sh.c: Include alloc-pool.h.
8362 (label_ref_list_pool): New alloc pool.
8363 (label_ref_list_t): New type for lists of labels.
8364 (struct pool_node): Make wend a label_ref_list_t.
8365 (add_constant): Use the new type, eradicate LABEL_NEXTREF
8367 (dump_table): Likewise.
8368 (sh_reorg): Set up the alloc pool before using add_constant and
8369 dump_table, and destroy it when finishing.
8371 2006-03-11 Richard Sandiford <richard@codesourcery.com>
8373 * config/mips/mips.c: Remove redundant comment.
8375 2006-03-10 Jason Merrill <jason@redhat.com>
8378 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
8379 the target was declared 'register'.
8381 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
8383 * genpreds.c (write_insn_constraint_len): Change definition of
8384 insn_constraint_len to return size_t to match the declaration.
8386 2006-03-10 DJ Delorie <dj@redhat.com>
8388 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
8390 (m32c_expand_insv): Fix test for an AND mask.
8392 2006-03-10 Richard Guenther <rguenther@suse.de>
8395 * builtins.c (get_pointer_alignment): Handle component
8396 references for field alignment.
8398 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8400 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
8401 when building with libgloss.
8402 (sh*elf): Implement --without-fp option.
8403 (sh64-superh-linux*): Don't multilib.
8405 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8407 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
8409 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
8411 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
8412 Set it when one of the replacement functions returned true.
8413 Return TODO_cleanup_cfg if cfgchanged is true.
8414 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
8416 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
8418 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
8419 instead of gen_lowpart.
8421 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8423 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
8425 (mips_output_order_conditional_branch): Declare.
8426 * config/mips/mips.h (MIPS_BRANCH): New macro.
8427 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
8428 for the comparison. Use gen_condjump.
8429 (mips_output_conditional_branch): Rework interface to take the
8430 asm templates for a direct branch and the inverse of a direct branch.
8431 (mips_output_order_conditional_branch): New function.
8432 (mips_builtin_branch_and_move): New function.
8433 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
8434 branch condition. Use gen_single_cc as the condition for
8435 __builtin_mips_upper_* or __builtin_mips_lower_*.
8436 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
8437 Use VOIDmode for the branch condition.
8438 * config/mips/predicates.md (order_operator): New predicate.
8439 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
8440 (branch_fp): Rename to...
8441 (*branch_fp): ...this. Remove mode from comparison operator.
8442 Use new mips_output_conditional_branch interface.
8443 (branch_fp_inverted): Rename to...
8444 (*branch_fp_inverted): ...this and update as for *branch_fp.
8445 (*branch_zero<mode>): Rename to...
8446 (*branch_order<mode>): ...this. Remove mode from comparison operator.
8447 Use mips_output_order_conditional_branch. Only accept ordered
8449 (*branch_zero<mode>_inverted): Rename to...
8450 (*branch_order<mode>_inverted): ...this and update as for
8451 *branch_order<mode>.
8452 (*branch_equality<mode>): Accept zero as the second operand to
8453 the equality operator. Use the new mips_output_conditional_branch
8455 (*branch_equality<mode>_inverted): Likewise.
8456 (condjump): New expander.
8457 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
8459 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
8460 (bc1any2t, bc1any2f): Likewise.
8461 (single_cc): New expander.
8462 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
8464 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8466 * doc/md.texi: Update documentation of MIPS constraints.
8467 * config/mips/constraints.md: New file.
8468 * config/mips/mips.md: Include it.
8469 * config/mips/mips.c (mips_char_to_class): Delete.
8470 (override_options): Don't initialize mips_char_to_class.
8471 * config/mips/mips.h (mips_char_to_class): Delete.
8472 (REG_CLASS_FROM_LETTER): Delete.
8473 (CONST_OK_FOR_LETTER_P): Delete.
8474 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8475 (EXTRA_CONSTRAINT_Y): Delete.
8476 (EXTRA_CONSTRAINT_STR): Delete.
8477 (CONSTRAINT_LEN): Delete.
8478 (EXTRA_MEMORY_CONSTRAINT): Delete.
8480 2006-03-09 Diego Novillo <dnovillo@redhat.com>
8482 * tree-cfg.c (move_block_to_fn): Remove the statements from the
8483 original fn's eh regions.
8485 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
8487 * fold-const.c (build_range_check): Make sure to use a valid type to
8488 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
8491 (range_predecessor): New static function.
8492 (range_successor): Likewise.
8493 (merge_ranges): Use them to compute predecessors and successors of
8496 2006-03-09 Roger Sayle <roger@eyesopen.com>
8499 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
8500 X op C3, consider whether C3 overflows towards +Inf or -Inf.
8502 2006-03-08 DJ Delorie <dj@redhat.com>
8504 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
8505 (addpsi3): Expand to include memory operands. Remove
8506 reload-specific splits.
8507 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
8508 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
8509 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
8510 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
8511 (shift1_qi, shift1_hi, insv): New.
8512 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
8513 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
8514 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
8516 * config/m32c/m32c-protos.h: Update as needed.
8517 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
8518 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
8519 Fail for unrecognized R* constraints.
8520 (m32c_cannot_change_mode_class): Be more picky about pseudos.
8521 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
8522 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
8524 (m32c_init_libfuncs): New.
8525 (m32c_legitimate_address_p): Add debug wrapper.
8526 (m32c_rtx_costs): New.
8527 (m32c_address_cost): New.
8528 (conversions): Add 'B' prefix.
8529 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
8530 operands, or word regnames for QI operands. 'B' prints bit
8532 (m32c_expand_setmemhi): New.
8533 (m32c_expand_movmemhi): New.
8534 (m32c_expand_movstr): New.
8535 (m32c_expand_cmpstr): New.
8536 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
8537 (m32c_expand_neg_mulpsi3): Handle non-ints.
8538 (m32c_cmp_flg_0): New.
8539 (m32c_expand_movcc): New.
8540 (m32c_expand_insv): New.
8541 (m32c_scc_pattern): New.
8542 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
8543 a0/a1 out of SIregs.
8544 (STORE_FLAG_VALUE): New.
8545 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
8548 * config/m32c/mov.md: Make constraints more liberal.
8549 (zero_extendqihi2): Optimize r0/r1 case.
8550 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
8551 * config/m32c/predicates.md (m32c_any_operand): New.
8552 (m32c_nonimmediate_operand): New.
8553 (m32c_hl_operand): New.
8554 (m32c_r3_operand): New.
8557 (memsym_operand): New.
8558 (memimmed_operand): New.
8559 (a_qi_operand): New.
8560 (m32c_eqne_operator): New.
8561 (m32c_1bit8_operand): New.
8562 (m32c_1bit16_operand): New.
8563 (m32c_1mask8_operand): New.
8564 (m32c_1mask16_operand): New.
8565 * config/m32c/blkmov.md: New file.
8566 * config/m32c/t-m32c (MD_FILES): Add blkmov.
8568 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
8570 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
8571 unsigned to fix signed/unsigned comparison issue in
8572 DWARF2_FRAME_REG_OUT.
8573 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
8574 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
8576 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
8577 of ptr into the ENABLE_CHECKING section.
8579 2006-03-08 Jeff Law <law@redhat.com>
8581 * tree-vrp.c (infer_value_range): Only count pointer uses
8582 and dereferences if -fdelete-null-pointer-checks is enabled.
8584 * tree-vrp.c (find_assert_locations): Infer value ranges for
8585 single use pointers, but do not create ASSERT_EXPRs for them.
8586 When a non-null range is inferred for a pointer, backwards
8587 propagate that range to other equivalent pointers through the
8590 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
8593 * Makefile.in (dvi, html, install-info): Invoke the corresponding
8594 language hook targets.
8595 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
8596 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
8597 if language hook targets were missing.
8599 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
8601 * tree-ssa-opfinalize.h: Removed.
8602 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
8604 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
8605 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
8606 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
8607 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
8608 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
8609 finalize_ssa_v_must_def_ops): New.
8611 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
8613 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
8616 2006-03-07 Geoffrey Keating <geoffk@apple.com>
8618 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
8620 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
8621 addresses with offsets; reorganize.
8623 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
8624 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
8625 (expand_builtin_init_dwarf_reg_sizes): Likewise.
8627 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
8630 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
8632 2006-03-08 Ben Elliston <bje@au.ibm.com>
8634 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
8636 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
8639 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
8642 2006-03-07 Richard Guenther <rguenther@suse.de>
8644 PR tree-optimization/26587
8645 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
8647 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8649 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
8651 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8653 * hooks.c (hook_bool_mode_rtx_true): New function.
8654 * hooks.h (hook_bool_mode_rtx_true): Declare.
8655 * toplev.c (compile_file): Call output_shared_constant_pool.
8656 * varasm.c (shared_constant_pool): New variable.
8657 (assemble_start_function, assemble_end_function): Remove arguments
8658 from call to output_constant_pool.
8659 (create_constant_pool): New function, split out from...
8660 (init_varasm_status): ...here.
8661 (force_const_mem): Choose between the shared and per-function constant
8662 pools. Set current_function_uses_const_pool when reusing old entries
8663 as well as when creating new ones.
8664 (mark_constant): Ignore data argument.
8665 (mark_constants): Remove pool argument.
8666 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
8667 to decide whether the function uses a constant pool.
8668 (output_constant_pool_contents): New function, split out from...
8669 (output_constant_pool): ...here.
8670 (output_shared_constant_pool): New function.
8671 (init_varasm_once): Initialize shared_constant_pool.
8672 * output.h (output_constant_pool): Delete.
8673 (output_shared_constant_pool): Declare.
8674 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
8675 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
8677 2006-03-06 Nick Clifton <nickc@redhat.com>
8679 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
8680 flag_strength_reduce.
8682 2006-03-06 Ben Elliston <bje@au.ibm.com>
8684 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
8685 x86_64-*-linux* configurations.
8687 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
8688 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
8690 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8692 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
8694 * basic-block.h: Remove the extern for
8695 rediscover_loops_after_threading.
8697 * cfgloop.c (cancel_loop): Make it static.
8698 * cfgloop.h: Remove the prototype for cancel_loop.
8700 * flow.c (recompute_reg_usage): Make it static.
8701 * rtl.h: Remove the prototype for recompute_reg_usage.
8703 * function.c (use_return_register): Make it static.
8704 * function.h: Remove the prototype.
8706 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8708 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
8710 * recog.h: Remove the prototype for
8711 validate_change_maybe_volatile.
8713 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8715 * rtlanal.c (replace_reg): Remove.
8716 * rtl.h: Remove the prototype for replace_reg.
8718 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8720 * regclass.c (reg_scan_update): Remove.
8721 (reg_scan_mark_refs): Remove the last argument.
8722 * rtl.h: Remove the prototype for reg_scan_update.
8724 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8726 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
8727 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
8728 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
8729 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
8730 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
8731 loop-invariant.c, omp-low.c, opts.c, passes.c,
8732 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
8733 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
8734 tree-ssa-structalias.c, tree-ssa-threadedge.c,
8735 tree-ssa-threadupdate.c, tree-vect-patterns.c,
8736 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
8737 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
8739 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8741 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
8742 * dwarf2out.h: Remove the prototype for
8743 dwarf2out_add_library_unit_info.
8745 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8747 * tree.c (add_var_to_bind_expr): Remove.
8748 * tree.h: Remove the prototype for add_var_to_bind_expr.
8750 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8752 * regclass.c (n_non_fixed_regs): Remove.
8753 (init_reg_sets_1, globalize_reg): Remove all uses of
8755 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
8757 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8759 * rtlanal.c (insns_safe_to_move_p): Remove.
8760 * rtl.h: Remove the prototype for insns_safe_to_move_p.
8762 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8764 * expmed.c (expand_mult_add): Remove.
8765 * expr.h: Remove the prototype for expand_mult_add.
8767 2006-03-04 Jakub Jelinek <jakub@redhat.com>
8769 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
8770 and REG_SAVED_VAL_EXP constants.
8771 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
8772 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
8773 Handle regs stored by value.
8774 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
8775 (execute_cfa_program): Handle DW_CFA_val_offset,
8776 DW_CFA_val_offset_sf and DW_CFA_val_expression.
8777 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
8778 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
8779 (uw_install_context_1): Handle target regs stored by value.
8781 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
8783 * tree-sra.c (tree_sra): Return todoflags;
8784 (generate_one_element): Set TODO_update_smt_usage if needed.
8785 (pass_sra): Remove TODO_update_smt_usage.
8786 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
8788 (tree_ssa_forward_propagate_single_use_vars): Return
8789 TODO_update_smt_usage if we need to update SMT usage.
8790 (pass_forwprop): Remove TODO_update_smt_usage.
8792 2006-03-03 Diego Novillo <dnovillo@redhat.com>
8794 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
8795 (correct_use_link): Remove reference to get_stmt_operands.
8796 (update_stmt_operands): Likewise.
8797 (get_modify_expr_operands): New function factored out of
8798 parse_ssa_operands and get_expr_operands.
8799 Try to create V_MUST_DEFs for LHS by default.
8800 (get_expr_operands) <case MODIFY_EXPR>: Call
8801 get_modify_expr_operands.
8802 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
8803 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
8804 (parse_ssa_operands) <case MODIFY_EXPR>: Call
8805 get_modify_expr_operands.
8807 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
8809 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
8810 * tree-flow.h: Remove the prototype for
8811 referenced_var_lookup_if_exists.
8813 2006-03-03 Steve Ellcey <sje@cup.hp.com>
8815 PR rtl-optimization/26345
8817 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
8819 2006-03-03 Roger Sayle <roger@eyesopen.com>
8821 PR tree-optimization/26524
8822 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
8823 fold_convert to create a constant of the appropriate type.
8825 2006-03-03 Richard Sandiford <richard@codesourcery.com>
8827 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8828 SYMBOL_REF_IN_BLOCK_P.
8829 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
8830 of SYMBOL_FLAG_IN_BLOCK.
8831 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
8832 instead of SYMBOL_REF_IN_BLOCK_P.
8833 * explow.c (use_anchored_address): Likewise.
8834 * rtl.c (rtx_size): Likewise.
8835 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
8836 instead of SYMBOL_FLAG_IN_BLOCK.
8837 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8838 SYMBOL_REF_IN_BLOCK_P.
8839 (assemble_variable): Likewise.
8840 (output_constant_def_contents): Likewise.
8841 (output_constant_pool): Likewise.
8842 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
8843 instead of SYMBOL_FLAG_IN_BLOCK.
8844 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8845 SYMBOL_REF_IN_BLOCK_P.
8846 (SYMBOL_REF_BLOCK): Likewise.
8847 (SYMBOL_REF_OFFSET): Likewise.
8848 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8849 SYMBOL_REF_IN_BLOCK_P.
8850 (SYMBOL_FLAG_IN_BLOCK): Replace with...
8851 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
8852 (SYMBOL_REF_IN_BLOCK_P): Replace with...
8853 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
8855 2006-03-03 Jakub Jelinek <jakub@redhat.com>
8857 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
8859 2006-03-02 Roger Sayle <roger@eyesopen.com>
8861 * simplify-rtx.c (simplify_unary_operation): When simplifying
8862 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
8863 that we perform the right shift in the appropriate mode, and
8864 then extend or truncate the result to requested mode.
8866 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
8868 * gengtype.c (main): Handle double_int type.
8869 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
8870 * double-int.c: New file.
8871 * double-int.h: New file.
8872 * system.h: Include doubleint.h.
8873 * Makefile.in (SYSTEM_H): Include double-int.h.
8874 (double-int.o): Add.
8876 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
8879 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
8882 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8884 * tree-vrp.c (remove_range_assertions): Do not update statements
8887 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8889 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
8891 * gcse.c (rest_of_handle_gcse): Ditto.
8892 * except.c (gate_handle_eh): Ditto.
8893 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
8894 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
8896 2006-03-02 Eric Christopher <echristo@apple.com>
8898 * config/i386/i386.c (machopic_output_stub): Add indirection to
8901 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8905 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
8907 Sun Niagara specific optimizations.
8908 * config.gcc: Recognize niagara as target.
8909 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
8910 (TARGET_CPU_niagara): Define.
8911 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
8912 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
8913 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8914 (ASM_CPU_SPEC): Likewise.
8915 (PROCESSOR_NIAGARA): New enum entry.
8916 (REGISTER_MOVE_COST): Handle Niagara.
8917 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
8918 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
8919 (sparc_override_options): Recognize "niagara", set appropriate
8920 default MASK_* values for it, and align functions to 32-bytes
8921 by default just like ULTRASPARC/ULTRASPARC3.
8922 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
8923 (sparc64_initialize_trampoline): Likewise.
8924 (sparc_use_sched_lookahead): Use zero for niagara.
8925 (sparc_issue_rate): Use one for niagara.
8926 * config/sparc/niagara.md: New file.
8927 * config/sparc/sparc.md: Include it.
8928 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
8929 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
8930 when default cpu is niagara.
8931 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8932 (ASM_CPU_SPEC): Likewise.
8933 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
8934 when default cpu is niagara.
8935 (ASM_CPU_SPEC): Handle -mcpu=niagara.
8936 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
8937 just like v9/ultrasparc/ultrasparc3.
8938 * doc/invoke.texi: Add documentation for "niagara" and improve
8939 existing documentation for ultrasparc variants.
8941 2006-03-02 Diego Novillo <dnovillo@redhat.com>
8943 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
8945 2006-03-02 Richard Sandiford <richard@codesourcery.com>
8947 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
8948 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
8949 and say that only one is needed.
8950 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
8951 * target.h (have_switchable_bss_sections): New hook.
8952 * explow.c (use_anchored_address): Check that the symbol is in a block.
8953 * varasm.c (tls_comm_section, comm_section, lcomm_section)
8954 (bss_noswitch_section): New variables.
8955 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
8956 (get_noswitch_section): New function.
8957 (get_block_for_section): Allow SECT to be null.
8958 (unlikely_text_section_p): Use SECTION_STYLE.
8959 (bss_initializer_p): New function.
8960 (get_variable_section): Move earlier in file. Take a new argument,
8961 prefer_noswitch_p. Move bss checks from assemble_variable to here.
8962 Return one of the new *_sections in such cases.
8963 (get_block_for_decl): New function, extracting some logic from
8964 use_blocks_for_decl_p.
8965 (change_symbol_section): Remove in favor of...
8966 (change_symbol_block): ...this new function.
8967 (use_blocks_for_decl_p): Remove checks now performed by
8969 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
8970 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
8971 (emit_local, emit_bss, emit_common): ...these new functions.
8972 Return true if the alignment was honored.
8973 (emit_tls_common): New function.
8974 (asm_emit_uninitialised): Delete.
8975 (assemble_variable_noswitch): New function, split out from...
8976 (assemble_variable): ...here. Don't make decisions about common
8977 variables here. Globalize all public decls that go into non-common
8978 sections. Check whether SYMBOL_REF_BLOCK is null.
8979 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
8980 (output_constant_pool): Likewise.
8981 (init_varasm_once): Initialize the new section variables.
8982 (have_global_bss_p): New function.
8983 (categorize_decl_for_section): Use bss_initializer_p.
8984 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
8985 (place_block_symbol): Assert that the symbol must be in a block.
8986 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
8987 (TARGET_INITIALIZER): Include it.
8988 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
8989 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
8990 (SECTION_MACH_DEP): Bump by two.
8991 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
8992 (unnamed_section): Mention SECTION_UNNAMED in comment.
8993 (named_section): Likewise SECTION_NAMED.
8994 (noswitch_section_callback): New type.
8995 (noswitch_section): New structure.
8996 (section): Add a noswitch_section alternative.
8997 (SECTION_STYLE): New macro.
8998 (tls_comm_section, comm_section, lcomm_section): Declare.
8999 (bss_noswitch_section, have_global_bss_p): Declare.
9000 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9001 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9003 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9004 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9007 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
9009 * tree-vrp.c (execute_vrp): Return value.
9010 * regrename.c (rest_of_handle_regrename): Ditto.
9011 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
9012 * tree-complex.c (tree_lower_complex): Ditto.
9013 (tree_lower_complex_O0): Ditto.
9014 * tracer.c (rest_of_handle_tracer): Ditto.
9015 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
9016 * postreload.c (rest_of_handle_postreload): Ditto.
9017 * tree-tailcall.c (execute_tail_recursion): Ditto.
9018 (execute_tail_calls): Ditto.
9019 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9020 * tree.h (init_function_for_compilation): Ditto.
9021 * ipa-cp.c (ipcp_driver): Ditto.
9022 * tree-scalar-evolution.c (scev_const_prop): Ditto.
9023 * tree-scalar-evolution.h (scev_const_prop): Ditto.
9024 * final.c (compute_alignments): Ditto.
9025 (rest_of_handle_final): Ditto.
9026 (rest_of_handle_shorten_branches): Ditto.
9027 (rest_of_clean_state): Ditto.
9028 * omp-low.c (execute_expand_omp): Ditto.
9029 (execute_lower_omp): Ditto.
9030 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
9031 * ipa-reference.c (static_execute): Ditto.
9032 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
9033 * reorg.c (rest_of_handle_delay_slots): Ditto.
9034 (rest_of_handle_machine_reorg): Ditto.
9035 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
9036 * flow.c (recompute_reg_usage): Ditto.
9037 (rest_of_handle_remove_death_notes): Ditto.
9038 (rest_of_handle_life): Ditto.
9039 (rest_of_handle_flow2): Ditto.
9040 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
9041 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
9042 (do_ssa_store_ccp): Ditto.
9043 (execute_fold_all_builtins): Ditto.
9044 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
9045 * modulo-sched.c (rest_of_handle_sms): Ditto.
9046 * ipa-pure-const.c (static_execute): Ditto.
9047 * cse.c (rest_of_handle_cse): Ditto.
9048 (rest_of_handle_cse2): Ditto.
9049 * web.c (rest_of_handle_web): Ditto.
9050 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
9051 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
9052 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
9053 * tree-nrv.c (tree_nrv): Ditto.
9054 (execute_return_slot_opt): Ditto.
9055 * tree-ssa-alias.c (compute_may_aliases): Ditto.
9056 (create_structure_vars): Ditto.
9057 * loop-init.c (rtl_loop_init): Ditto.
9058 (rtl_loop_done): Ditto.
9059 (rtl_move_loop_invariants): Ditto.
9060 (rtl_unswitch): Ditto.
9061 (rtl_unroll_and_peel_loops): Ditto.
9062 (rtl_doloop): Ditto.
9063 * gimple-low.c (lower_function_body): Ditto.
9064 (mark_used_blocks): Ditto.
9065 * tree-ssa-sink.c (execute_sink_code): Ditto.
9066 * ipa-inline.c (cgraph_decide_inlining): Ditto.
9067 (cgraph_early_inlining): Ditto.
9068 * global.c (rest_of_handle_global_alloc): Ditto.
9069 * jump.c (cleanup_barriers): Ditto.
9070 (purge_line_number_notes): Ditto.
9071 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
9072 (rest_of_handle_if_after_reload): Ditto.
9073 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
9074 (tree_ssa_loop_im): Ditto.
9075 (tree_ssa_loop_unswitch): Ditto.
9076 (tree_vectorize): Ditto.
9077 (tree_linear_transform): Ditto.
9078 (tree_ssa_loop_ivcanon): Ditto.
9079 (tree_ssa_empty_loop): Ditto.
9080 (tree_ssa_loop_bounds): Ditto.
9081 (tree_complete_unroll): Ditto.
9082 (tree_ssa_loop_prefetch): Ditto.
9083 (tree_ssa_loop_ivopts): Ditto.
9084 (tree_ssa_loop_done): Ditto.
9085 * predict.c (tree_estimate_probability): Ditto.
9086 * recog.c (split_all_insns_noflow): Ditto.
9087 (rest_of_handle_peephole2): Ditto.
9088 (rest_of_handle_split_all_insns): Ditto.
9089 * tree-eh.c (lower_eh_constructs): Ditto.
9090 * regmove.c (rest_of_handle_regmove): Ditto.
9091 (rest_of_handle_stack_adjustments): Ditto.
9092 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
9093 * function.c (instantiate_virtual_regs): Ditto.
9094 (init_function_for_compilation): Ditto.
9095 (rest_of_handle_check_leaf_regs): Ditto.
9096 * gcse.c (rest_of_handle_jump_bypass): Ditto.
9097 (rest_of_handle_gcse): Ditto.
9098 * ipa-type-escape.c (type_escape_execute): Ditto.
9099 * alias.c (rest_of_handle_cfg): Ditto.
9100 * tree-if-conv.c (main_tree_if_conversion): Ditto.
9101 * profile.c (rest_of_handle_branch_prob): Ditto.
9102 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
9103 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
9104 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
9105 * tree-dfa.c (find_referenced_vars): Ditto.
9106 * except.c (set_nothrow_function_flags): Ditto.
9107 (convert_to_eh_region_ranges): Ditto.
9108 (rest_of_handle_eh): Ditto.
9109 * emit-rtl.c (unshare_all_rtl): Ditto.
9110 (remove_unnecessary_notes): Ditto.
9111 * except.h (set_nothrow_function_flags): Ditto.
9112 (convert_to_eh_region_ranges): Ditto.
9113 * cfgexpand.c (tree_expand_cfg): Ditto.
9114 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
9115 * tree-ssa-pre.c (do_pre): Ditto.
9116 (execute_fre): Ditto.
9117 * cfgcleanup.c (rest_of_handle_jump): Ditto.
9118 (rest_of_handle_jump2): Ditto.
9119 * tree-sra.c (tree_sra): Ditto.
9120 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
9121 (execute_mudflap_function_decls): Ditto.
9122 * tree-ssa-copy.c (do_copy_prop): Ditto.
9123 (do_store_copy_prop): Ditto.
9124 * ipa-prop.h (ipcp_driver): Ditto.
9125 * cfglayout.c (insn_locators_initialize): Ditto.
9126 * tree-ssa-forwprop.c
9127 (tree_ssa_forward_propagate_single_use_vars): Ditto.
9128 * cfglayout.h (insn_locators_initialize): Ditto.
9129 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
9130 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
9131 (execute_late_warn_uninitialized): Ditto.
9132 * rtl.h (cleanup_barriers): Ditto.
9133 (split_all_insns_noflow): Ditto.
9134 (purge_line_number_notes): Ditto.
9135 (unshare_all_rtl): Ditto.
9136 (remove_unnecessary_notes): Ditto.
9137 (recompute_reg_usage): Ditto.
9138 (variable_tracking_main): Ditto.
9139 * integrate.c (emit_initial_value_sets): Ditto.
9140 * integrate.h (emit_initial_value_sets): Ditto.
9141 * tree-optimize.c (execute_free_datastructures): Ditto
9142 (execute_free_cfg_annotations): Ditto.
9143 (execute_fixup_cfg): Ditto.
9144 (execute_cleanup_cfg_pre_ipa): Ditto.
9145 (execute_cleanup_cfg_post_optimizing): Ditto.
9146 (execute_init_datastructures): Ditto.
9147 * tree-object-size.c (compute_object_sizes): Ditto.
9148 * combine.c (rest_of_handle_combine): Ditto.
9149 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
9150 * bb-reorder.c (duplicate_computed_gotos): Ditto.
9151 (rest_of_handle_reorder_blocks): Ditto.
9152 (rest_of_handle_partition_blocks): Ditto.
9153 * var-tracking.c (variable_tracking_main): Ditto.
9154 * tree-profile.c (tree_profiling): Ditto.
9155 * tree-vect-generic.c (expand_vector_operations): Ditto.
9156 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
9157 * sched-rgn.c (rest_of_handle_sched): Ditto.
9158 (rest_of_handle_sched2): Ditto.
9159 * basic-block.h (free_bb_insn): Ditto.
9160 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
9161 * tree-cfg.c (execute_build_cfg): Ditto.
9162 (remove_useless_stmts): Ditto.
9163 (split_critical_edges): Ditto.
9164 (execute_warn_function_return): Ditto.
9165 (execute_warn_function_noreturn): Ditto.
9166 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
9167 * cfgrtl.c (free_bb_for_insn): Ditto.
9168 * passes.c (execute_one_pass): Run additional
9169 todos returned by execute function.
9170 * tree-pass.h (struct tree_opt_pass): Make execute
9173 2006-03-02 Richard Guenther <rguenther@suse.de>
9175 * tree-ssa-alias.c (find_used_portions): Consider taking
9176 the address as making the variable not write-only.
9178 2006-03-02 Nick Clifton <nickc@redhat.com>
9180 * config.gcc (default_use_cxa_atexit): Extend the description of
9181 this configure variable. Set its default value to "yes" for
9182 Linux, NetBSD and ELF targets on the assumption that they will
9183 use C libraries with the __cxa_atexit function.
9185 2006-03-02 Ben Elliston <bje@au.ibm.com>
9187 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
9188 parameter as unused to suppress a build warning.
9190 2006-03-02 Ben Elliston <bje@au.ibm.com>
9192 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
9195 2006-03-01 Roger Sayle <roger@eyesopen.com>
9198 * gthr-posix.h (__gthrw2): Define to take three parameters, the
9199 declared name, the weak reference name, and the typeof name.
9200 (__gthrw): Avoid expanding the declared name suffix.
9201 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
9203 2006-03-01 Jakub Jelinek <jakub@redhat.com>
9205 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
9207 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
9208 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
9209 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
9210 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
9211 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
9212 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
9213 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
9214 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
9215 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
9216 DW_DS_leading_separate, DW_DS_trailing_separate): New.
9217 (DW_END_default, DW_END_big, DW_END_little): New.
9218 (DW_END_lo_user, DW_END_hi_user): Define.
9219 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
9220 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
9221 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
9224 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9226 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
9228 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
9230 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
9232 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
9234 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
9235 to 'symbol_mem_tag'.
9237 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
9240 2006-03-01 Roger Sayle <roger@eyesopen.com>
9242 * builtins.c (fold_builtin_copysign): Delete unreachable code.
9244 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9247 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
9248 MACHO_DYNAMIC_NO_PIC_P.
9249 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
9251 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9254 * config/darwin-protos.h (darwin_asm_output_anchor):
9256 * config/darwin-sections.def (cstring_section):
9257 Add SECTION_MERGE to the flags.
9258 (literal4_section): Likewise.
9259 (literal8_section): Likewise.
9260 (objc_selector_refs_section): Likewise.
9261 (objc_cls_refs_section): Likewise.
9262 * config/darwin.c (darwin_asm_output_anchor): New
9264 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9266 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
9268 Fix PR tree-optimization/26443
9269 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
9270 to todo and PROP_tmt_usage to properties_destroyed.
9271 * tree-ssa-ccp.c (pass_ccp): Ditto.
9272 (pass_store_ccp): Ditto.
9273 * tree-ssa-dom.c (pass_dominator): Ditto.
9275 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9277 * tree-ssa-operands.c: Cleanup whitespace.
9278 (get_asm_expr_operands): Move before first invocation.
9279 (get_indirect_ref_operands): Likewise.
9280 (get_tmr_operands): Likewise.
9281 (get_call_expr_operands): Likewise.
9282 (append_def): Likewise.
9283 (append_use): Likewise.
9284 (append_v_may_def): Likewise.
9285 (append_v_must_def): Likewise.
9286 (add_call_clobber_ops): Likewise.
9287 (add_call_read_ops): Likewise.
9288 (add_stmt_operand): Likewise.
9289 (add_virtual_operand): Likewise.
9290 (build_ssa_operands): Likewise.
9292 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9297 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9298 with a call expr to ...
9299 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9301 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9303 * tree-vrp.c (extract_range_from_assert): Remove special
9304 handling for types with super-types.
9306 2006-03-01 Ben Elliston <bje@au.ibm.com>
9308 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
9309 and powerpc64-*-linux* configurations.
9310 * config/t-dfprules: New file.
9312 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
9313 Compile dfp-bit.c from the source directory using -DWIDTH and
9314 $DFP_CFLAGS to control the compilation of that file, rather than
9315 generating width-specific versions in the build directory.
9316 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
9317 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
9319 2006-02-28 Zack Weinberg <zackw@panix.com>
9321 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
9324 2006-02-28 Eric Christopher <echristo@apple.com>
9326 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
9327 Set up IN_LIBGCC definition of TARGET_64BIT.
9328 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
9330 2006-02-28 Roger Sayle <roger@eyesopen.com>
9333 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
9334 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
9335 cases via the construction of "expr != 0".
9337 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
9339 * alias.c (alias_invariant, alias_invariant_size): Remove.
9340 (record_base_value): Remove.
9341 (memrefs_conflict_p): Don't look at alias_invariant.
9342 (end_alias_analysis): Don't free it.
9343 * alias.h (record_base_value): Remove prototype.
9345 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
9346 Adam Nemet <anemet@caviumnetworks.com>
9348 * rtl.h (truncated_to_mode): Declare it.
9349 (struct rtl_hooks): Add reg_truncated_to_mode hook.
9350 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
9351 (RTL_HOOKS_INITIALIZER): Include it.
9352 * rtlhooks.c (reg_truncated_to_mode_general): New function.
9353 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
9354 reg_truncated_to_mode.
9355 * rtlanal.c (truncated_to_mode): Define it.
9356 * simplify-rtx.c (simplify_unary_operation_1): Use it.
9358 2006-02-28 Jeff Law <law@redhat.com>
9360 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
9361 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
9362 the range allowed by TYPE_PRECISION.
9364 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
9366 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
9368 PR tree-optimization/26419
9369 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
9372 2006-02-27 Zack Weinberg <zackw@panix.com>
9374 * doc/md.texi: Fix typo in previous change.
9376 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9380 2006-02-27 Zack Weinberg <zackw@panix.com>
9382 * rtl.def (define_constraint, define_register_constraint)
9383 (define_memory_constraint, define_address_constraint): New MD forms.
9384 * gensupport.c (process_rtx): Put define_constraint etc on the
9386 * genpreds.c (process_define_predicate): Adjust comment. Validate
9387 the name, and call validate_exp to validate the expression.
9388 (mark_mode_tests, write_extract_subexp): Can assume correct input.
9389 (write_predicate_expr): Likewise. NAME argument no longer necessary;
9390 all callers changed.
9391 (validate_exp, needs_variable, struct constraint_data)
9392 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
9393 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
9394 (const_dbl_constraints, constraint_max_namelen)
9395 (have_register_constraints, have_memory_constraints)
9396 (have_address_constraints, have_address_constraints)
9397 (have_extra_constraints, have_const_int_constraints)
9398 (have_const_dbl_constraints, mangle, add_constraint)
9399 (process_define_constraint, process_define_register_constraint)
9400 (write_enum_constraint_num, write_lookup_constraint)
9401 (write_insn_constraint_len, write_regclass_for_constraint)
9402 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
9403 (write_insn_extra_memory_constraint)
9404 (write_insn_extra_address_constraint)
9405 (write_satisfies_constraint_fns): New.
9406 (write_tm_preds_h): If we have new-style constraint definitions,
9407 prototype the functions generated from them, and define the
9408 old constraint interface (still used by generic code) in terms of
9410 (write_insn_preds_c): If we have new-style constraint definitions,
9411 generate all relevant functions from those definitions.
9412 (main): Handle define_constraint etc.
9413 * genoutput.c (struct constraint_data, indep_constraints)
9414 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
9415 (mdep_constraint_len): New data structures and functions, defined
9416 #ifdef USE_MD_CONSTRAINTS.
9417 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
9418 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
9419 use new logic to validate operand constraints against constraint
9421 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
9423 * defaults.h: If none of the old-style constraint macros are
9424 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
9425 old-style macros; and poison REG_CLASS_FROM_LETTER,
9426 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
9428 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
9429 * doc/md.texi: Document new constraint-definition mechanism and the
9430 C interface it provides. Remove references to old mechanism
9431 elsewhere in the document.
9432 (Machine Constraints): Use pathnames relative to gcc directory,
9433 i.e. config/ARCH/FILE. Change i386 section to refer to
9434 config/i386/predicates.md; update that section to match docstrings.
9435 * doc/tm.texi: Move all documentation of the old constraint-
9436 definition macros to their own section, clearly mark as obsolete.
9438 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
9439 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
9441 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
9442 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
9443 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
9445 (splits and peepholes): Use satisfies_constraint_*.
9446 * config/i386/i386.c (memory_address_length)
9447 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
9449 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9451 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
9452 scalar operation to be put back into the loop.
9454 2006-02-27 Jakub Jelinek <jakub@redhat.com>
9457 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
9458 (extract_cie_info): Handle S flag in augmentation string.
9459 (execute_cfa_program): If context->signal_frame, execute also
9460 fs->pc == context->ra instructions.
9461 (uw_frame_state_for): If context->signal_frame, don't subtract one
9462 from context->ra to find FDE.
9463 (uw_update_context_1): Set context->signal_frame to
9465 (_Unwind_GetIPInfo): New function.
9466 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
9467 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
9469 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
9470 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
9471 * unwind-compat.c (_Unwind_GetIPInfo): New function.
9472 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
9473 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
9474 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
9475 * config/i386/linux-unwind.h (x86_fallback_frame_state,
9476 x86_64_fallback_frame_state): Set fs->signal_frame.
9477 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
9478 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
9479 (frob_update_context): Likewise. Workaround missing S flag in
9480 Linux 2.6.12 - 2.6.16 kernel vDSOs.
9481 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
9482 Remove the psw_addr + 1 hack.
9484 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9486 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
9487 with aggregates here.
9488 (find_func_aliases): Remove code for &<aggregate> from here.
9490 2006-02-26 Roger Sayle <roger@eyesopen.com>
9492 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
9493 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
9494 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
9497 2006-02-26 Roger Sayle <roger@eyesopen.com>
9500 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
9502 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
9504 * opts.c (decode_options): Do not handle flag_strength_reduce.
9505 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
9506 and OPT_fstrength_reduce.
9507 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
9508 flag_prefetch_loop_arrays for being nonzero.
9509 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
9511 (fprefetch-loop-arrays-rtl): Removed.
9512 (flag_prefetch_loop_arrays): Do not specify the value.
9514 * doc/passes.texi: Update documentation of loop optimizer
9516 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
9517 -frerun-loop-opt): Remove.
9519 2006-02-26 Richard Guenther <rguenther@suse.de>
9521 PR tree-optimization/26421
9522 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
9523 in function calls that are ADDR_EXPRs as using the whole structure.
9525 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
9527 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
9528 * tree-pass.h (pass_loop_optimize): Remove.
9529 * passes.c (pass_loop_optimize): Never run it.
9530 * toplev.c (backend_init): Don't call init_loop.
9531 * opts.c (flag_loop_optimize_set): Remove.
9532 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
9533 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
9534 the old RTL loop optimizer when profiling enabled.
9535 * predict.c (tree_estimate_probability): Always strip builtin_expect.
9536 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
9537 pre-headers for the sake of the old RTL loop optimizer.
9538 * Makefile.in: Remove all references to loop.o.
9540 * doc/invoke.texi: Remove all references to -floop-optimize
9541 and -frerun-loop-opt.
9543 2006-02-26 Zack Weinberg <zackw@panix.com>
9545 * doc/md.texi (Machine Constraints): Refer to all files with paths
9546 relative to gcc directory (i.e. config/CPU/file). Add missing
9547 @table @code ... @end table to M32C subsection.
9549 2006-02-26 Roger Sayle <roger@eyesopen.com>
9551 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
9553 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
9555 2006-02-26 Roger Sayle <roger@eyesopen.com>
9556 James A. Morrison <phython@gcc.gnu.org>
9559 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
9560 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
9561 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
9562 signedness of the shift operation.
9564 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
9566 PR tree-optimization/26359
9567 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
9569 2006-02-25 Roger Sayle <roger@eyesopen.com>
9571 * simplify-rtx.c (simplify_relational_operation_1): Simplify
9572 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
9573 as X == 0, and some symmetry related transformations.
9574 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
9576 2006-02-25 Roger Sayle <roger@eyesopen.com>
9579 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
9580 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
9581 symmetry related transformations. Fold (X^C1) == C2 as
9584 2006-02-25 Juergen Weigert <jw@suse.de>
9585 Richard Guenther <rguenther@suse.de>
9587 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
9589 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
9591 * combine.c (gen_lowpart_or_truncate): Call
9592 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
9594 2006-02-24 Diego Novillo <dnovillo@redhat.com>
9596 * doc/invoke.texi: Move -fopenmp description to "Options for
9598 Remove reference to -lgomp.
9600 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9602 * doc/install.texi: Require GNU tar version 1.14.
9604 2006-02-24 Geoffrey Keating <geoffk@apple.com>
9606 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
9607 * doc/invoke.texi (C++ Dialect Options): Document
9608 -fno-use-cxa-get-exception-ptr.
9609 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
9610 * configure: Regenerate.
9611 * c.opt (fuse-cxa-get-exception-ptr): New.
9612 * c-opts.c (c_common_handle_option): Handle
9613 OPT_fuse_cxa_get_exception_ptr.
9614 * c-common.c (flag_use_cxa_atexit): Update documentation.
9615 (flag_use_cxa_get_exception_ptr): New.
9616 * c-common.h (flag_use_cxa_get_exception_ptr): New.
9617 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
9619 (C_COMMON_OVERRIDE_OPTIONS): New.
9621 2006-02-24 Roger Sayle <roger@eyesopen.com>
9624 * combine.c (try_combine): Explicitly check whether GET_CODE is
9625 a SET or a CLOBBER, instead on checking that it isn't a USE.
9627 2006-02-24 Roger Sayle <roger@eyesopen.com>
9629 * fold-const.c (fold_comparison): New subroutine of fold_binary
9630 containing transformations common to both the equality and
9631 ordering relational operators, factored out of fold_binary.
9632 (fold_binary): Separate out the equality operators (EQ_EXPR
9633 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
9634 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
9635 transformations common to both.
9636 (fold_div_compare): Fix latent bugs in the previously unreachable
9637 LT_EXPR and GE_EXPR cases.
9639 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9641 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
9642 decl libname for clog to __clog on AIX.
9644 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
9646 2006-02-24 Alan Modra <amodra@bigpond.net.au>
9649 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
9650 output traceback table for thunks. Localise rs6000_stack_info call.
9652 2006-02-23 Roger Sayle <roger@eyesopen.com>
9653 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9655 * gthr-posix.h (__gthrw): Fix typo in comment.
9657 2006-02-23 Geoffrey Keating <geoffk@apple.com>
9659 * doc/cpp.texi (Character sets): Document that we do support
9660 input files to be in any character set.
9662 2006-02-23 Jeff Law <law@redhat.com>
9664 * tree.h (PHI_ARG_NONZERO): Remove.
9665 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
9666 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
9667 node to the new node.
9669 PR tree-optimization/26425
9670 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
9671 min/max, then assume its varying.
9673 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9675 PR rtl-optimization/26316
9676 * rtlanal.c (enum may_trap_p_flags): New.
9677 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
9678 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
9679 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
9680 (may_trap_after_code_motion_p): New function.
9681 * loop-invariant.c (find_identical_invariants): Fix dump formating.
9682 (find_invariant_insn): Use may_trap_after_code_motion_p.
9683 * rtl.h (may_trap_after_code_motion_p): Declare.
9685 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9687 * emit-rtl.c (immed_double_const): Cleanup.
9689 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
9691 Fix PR tree-optimization/26376
9692 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
9695 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9698 * gimplify.c (omp_add_variable): Guard variable size decl test with
9699 DECL_SIZE (decl) check.
9701 2006-02-23 Richard Guenther <rguenther@suse.de>
9704 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
9705 like aggregate types.
9707 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9709 * configure.ac: Add --with{,out}-long-double-128 configure option.
9710 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
9711 * configure: Rebuilt.
9712 * config.in: Rebuilt.
9713 * doc/install.texi (Options specification): Document
9714 --with-long-double-128.
9716 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9717 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9718 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9719 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9721 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
9723 * config/s390/s390.c (override_options): Handle
9724 TARGET_DEFAULT_LONG_DOUBLE_128.
9726 * config/alpha/alpha.c (override_options): Handle
9727 TARGET_DEFAULT_LONG_DOUBLE_128.
9729 * config/sparc/sparc.c (sparc_override_options): Handle
9730 TARGET_DEFAULT_LONG_DOUBLE_128.
9732 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
9734 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
9735 (real-install-headers-tar, real-install-headers-cpio)
9736 (real-install-headers-cp): New targets.
9738 2006-02-22 Richard Sandiford <richard@codesourcery.com>
9740 * tree.h (variable_section): Delete.
9741 * varasm.c (variable_section): Delete.
9743 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
9745 * install.texi: Add notes on install.texi2html.
9746 (Building in parallel): Do not use footnotes.
9748 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
9751 * doc/install.texi (Configuration): Document --disable-libgomp.
9753 2006-02-21 Geoffrey Keating <geoffk@apple.com>
9755 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
9757 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9759 * config/i386/sse.md (vec_extractv2df_1_sse): New.
9760 (vec_extractv2df_0_sse): New.
9762 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9764 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
9765 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
9766 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
9767 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
9768 to the result of the expression.
9769 (def_cfa_1): Adjust.
9770 (frame_pointer_cfa_offset): Rename to...
9771 (frame_pointer_fb_offset): ... this. Adjust all uses.
9772 (convert_cfa_to_loc_list): Rename to...
9773 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
9774 Pass it on to build_cfa_loc.
9775 (compute_frame_pointer_to_cfa_displacement): Rename to...
9776 (compute_frame_pointer_to_fb_displacement): ... this. New
9777 offset parameter. Use it in computation.
9778 (gen_subprogram_die): Compute cfa_fb_offset with the new
9779 macro, and use it to compute the fb loc list and the
9782 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
9784 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
9785 replaced with register_operand.
9786 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
9787 non-DREG is expensive.
9788 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
9789 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
9792 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
9794 * doc/install.texi2html: Use set -e.
9796 2006-02-21 Richard Sandiford <richard@codesourcery.com>
9798 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9799 (ASM_OUTPUT_SHARED_LOCAL): Delete.
9800 * doc/invoke.texi (-fshared-data): Delete.
9801 * common.opt (fshared-data): Delete.
9802 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
9803 (assemble_static_space): Remove #if 0 code.
9804 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9805 (ASM_OUTPUT_SHARED_LOCAL): Poison.
9806 * config/cris/cris.h: Remove FIXME.
9808 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
9810 * doc/sourcebuild.texi (Front End Directory): No more double-colon
9813 2006-02-21 Jakub Jelinek <jakub@redhat.com>
9816 * combine.c (simplify_shift_const_1): Disable nested shifts
9817 optimization for vector shifts.
9819 2006-02-20 Roger Sayle <roger@eyesopen.com>
9821 PR tree-optimization/26361
9822 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
9823 of unsigned integer types.
9825 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
9827 * tree-chrec.c (eq_evolutions_p): New.
9828 * tree-chrec.h (eq_evolutions_p): Declared.
9829 * tree-data-ref.c: Fix formatting.
9830 (datadep_stats, dependence_stats): New.
9832 (print_direction_vector): New.
9833 (dump_data_dependence_relation): Use print_direction_vector.
9834 (object_analysis, create_data_ref): Handle COMPONENT_REF.
9835 (compute_subscript_distance): Static.
9836 (initialize_data_dependence_relation): Static. Get the number
9837 of loops surrounding the references from the callers, and initialize
9838 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
9839 base_object_differ_p analyzers.
9840 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
9841 compute_overlap_steps_for_affine_1_2,
9842 analyze_subscript_affine_affine): Count the classified dependences.
9843 Print a message when a test failed.
9844 (can_use_analyze_subscript_affine_affine): New.
9845 (analyze_siv_subscript): Compute the data dependences on symbolic
9846 scevs that verify can_use_analyze_subscript_affine_affine.
9847 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
9848 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
9849 Handle symbolic scevs.
9850 (analyze_overlapping_iterations): Let symbolic affine scevs to be
9852 (subscript_dependence_tester): Moved...
9853 (build_classic_dist_vector, build_classic_dir_vector): Don't use
9854 lambda_vector_clear on newly allocated vectors. Get nb_loops from
9855 DDR_SIZE_VECT instead of getting it in parameter.
9856 (subscript_dependence_tester): ... here. Take as a parameter
9857 loop_nest_depth. Call build_classic_dist_vector and
9858 build_classic_dir_vector.
9859 (compute_affine_dependence): Update subscript_dependence_tester
9860 parameters. Update datadep_stats counters. Call
9861 compute_subscript_distance.
9862 (compute_self_dependence): Save the dist and dir vectors. Call
9863 compute_subscript_distance.
9864 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
9865 (compute_all_dependences): Reorder parameters as they were before
9866 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
9867 compute_subscript_distance. Update the use of
9868 compute_affine_dependence and initialize_data_dependence_relation.
9869 (find_data_references_in_loop): Handle COMPONENT_REF.
9870 (compute_data_dependences_for_loop): Initialize dependence_stats.
9871 Don't call build_classic_dist_vector and build_classic_dir_vector.
9872 Update the parameters of initialize_data_dependence_relation and
9873 compute_all_dependences. Print the statistics from datadep_stats.
9874 (analyze_all_data_dependences): Static. Not used until the pass for
9875 checking the data dependences is contributed.
9876 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
9877 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
9878 (initialize_data_dependence_relation, compute_affine_dependence,
9879 analyze_all_data_dependences, compute_subscript_distance): Removed.
9880 (print_direction_vector): New.
9881 * lambda.h (gcd): ... here.
9882 (lambda_vector_gcd): Moved here from gcd_vector.
9883 * lambda-code.c (gcd, gcd_vector): Removed.
9884 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
9885 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
9887 2006-02-20 Diego Novillo <dnovillo@redhat.com>
9889 * ipa-type-escape.c: Tidy some comments and white space.
9890 * tree-ssa-operands.c: Likewise.
9892 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
9895 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
9896 (dump_decl_name): Do not walk the decl tree chains.
9897 * tree-pass.h (TDF_CHAIN): Remove.
9899 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9901 * Makefile.in (C): Remove
9903 (.PHONY): Remove C and PROTO
9905 2006-02-20 Roger Sayle <roger@eyesopen.com>
9908 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
9909 deprecated CHAR_TYPE tree code.
9911 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9913 * configure.ac (target_list): Add install-info, dvi, html.
9914 * configure: Regenerate.
9916 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
9917 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
9918 treelang/Make-lang.in: Do not use double-colon rules.
9920 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
9922 * tree.h (struct tree_memory_tag): Add is_used_alone member.
9923 (TMT_USED_ALONE): New macro.
9924 * tree-pass.h (PROP_tmt_usage): New property.
9925 (TODO_update_tmt_usage): New todo.
9926 * tree-ssa-alias.c (updating_used_alone): New variable.
9927 (recalculate_used_alone): New function.
9928 (compute_may_aliases): Set updating_used_alone, call
9929 recalculate_used_alone.
9930 * tree-sra.c (pass_sra): Note that this pass destroys
9931 PROP_tmt_usage, and add TODO_update_tmt_usage.
9932 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
9933 * tree-flow.h (updating_used_alone): Prototype.
9934 (recalculate_used_alone): Ditto.
9935 * passes.c (execute_todo): Add code to set updating_used_alone,
9936 and call recalculate.
9937 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
9938 for clobber if used alone, and add assert to verify used_alone
9941 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
9943 * config/s390/s390.c (legitimize_pic_address): Assertions checking
9944 for non tls symbols added.
9945 (legitimize_address): Do nothing for PLUS expressions if one of the
9946 addends is a tls symbol reference.
9948 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9952 * Makefile.in (LDFLAGS): Define from autoconf substitution.
9954 * Makefile.in (BOOTSTRAPPING): New.
9955 (quickstrap): New definition if BOOTSTRAPPING=yes.
9957 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
9958 * configure.ac: Substitute all_selected_languages with the languages
9959 that were configured. For all the other variables except
9960 lang_specs_files, include all the languages in the tree.
9961 * configure: Regenerate.
9963 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
9964 if there is one. Run the commands to run fixincludes in the same
9967 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
9968 * doc/install.texi: Document exact conventions for searching target tools.
9969 Document --with-build-time-tools. Document toplevel bootstrap. Document
9970 something more about building an Ada cross-compiler. Don't list GNU Make
9971 requirements which affect all platforms.
9973 2006-02-19 Roger Sayle <roger@eyesopen.com>
9976 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
9977 only equivalent if the have both the same mode and precision.
9979 2006-02-20 Ben Elliston <bje@au.ibm.com>
9981 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
9983 2006-02-19 Roger Sayle <roger@eyesopen.com>
9984 Steven Bosscher <stevenb.gcc@gmail.com>
9986 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
9987 constant pool references to identify stack mode constants.
9988 * rtlanal.c (constant_pool_constant_p): New predicate to check
9989 whether operand is a floating point constant in the pool.
9990 * rtl.h (constant_pool_constant_p): Prototype here.
9991 * loop.c (scan_loop): Avoid hoisting constants from the constant
9992 pool on STACK_REGS targets.
9993 (load_mems): Likewise.
9994 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
9995 loads into x87 registers expensive in terms of register pressure.
9997 2006-02-19 Roger Sayle <roger@eyesopen.com>
9999 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
10000 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
10002 2006-02-19 David Edelsohn <edelsohn@gnu.org>
10004 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10005 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
10007 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
10009 * doc/invoke.texi: Document -fipa-pta.
10010 * common.opt: Add ipa-pta option.
10011 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
10012 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
10013 (do_ds_constraint): Ditto.
10014 (get_constraint_for): Only add to referenced_vars if
10015 referenced_vars exists.
10016 (insert_into_field_list): Rewrite to do this unsorted.
10017 (insert_into_field_list_sorted): Rename old insert_into_field_list
10019 (create_function_info_for): Use insert_into_field_list_sorted.
10020 (create_variable_info_for): Rewrite so it uses unsorted version,
10021 since the field list is sorted.
10022 (intra_create_variable_infos): Only add to referenced_vars if
10023 referenced_vars exists.
10024 (ipa_pta_execute): Init heapvars, and delete when done.
10025 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
10027 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10029 * doc/install.texi: Add missing `@samp'.
10031 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10033 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
10036 2006-02-18 Mark Wielaard <mark@klomp.org>
10038 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
10039 who added new 4.1 features, bug fixes and integration support.
10041 2006-02-18 David Edelsohn <edelsohn@gnu.org>
10044 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
10045 MEM for ABI_V4 pic.
10047 2006-02-18 Richard Sandiford <richard@codesourcery.com>
10049 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
10050 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
10051 (copy_insn_1): Likewise. Don't copy each field individually.
10053 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
10055 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
10056 * rtl.c (rtx_size): Rename variable to...
10057 (rtx_code_size): ...this.
10058 (rtx_size): New function.
10059 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
10060 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
10062 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
10063 * rtl.h (rtx_code_size): New variable.
10064 (rtx_size): Change from a variable to a function.
10065 (RTX_SIZE): Rename to...
10066 (RTX_CODE_SIZE): ...this.
10069 PR tree-optimization/17106
10070 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
10071 (Anchored Addresses): New section.
10072 * doc/invoke.texi (-fsection-anchors): Document.
10073 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
10074 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
10075 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
10076 * hooks.c (hook_bool_mode_rtx_false): New function.
10077 * hooks.h (hook_bool_mode_rtx_false): Declare.
10078 * gengtype.c (create_optional_field): New function.
10079 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
10080 SYMBOL_REF_IN_BLOCK_P is true.
10081 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
10082 (min_anchor_offset, max_anchor_offset): Likewise.
10083 (use_anchors_for_symbol_p): New hook.
10084 * toplev.c (compile_file): Call output_object_blocks.
10085 (target_supports_section_anchors_p): New function.
10086 (process_options): Check that -fsection-anchors is only used on
10087 targets that support it and when -funit-at-a-time is in effect.
10088 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
10089 if the decl doesn't have one.
10090 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
10091 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
10092 of force_const_mem through use_anchored_address.
10093 (expand_expr_constant): New function.
10094 (expand_expr_addr_expr_1): Call it. Use the same modifier when
10095 calling expand_expr for INDIRECT_REF.
10096 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
10097 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
10098 * expr.h (use_anchored_address): Declare.
10099 * loop-unroll.c: Don't declare rtx vectors here.
10100 * explow.c: Include output.h.
10101 (validize_mem): Call use_anchored_address.
10102 (use_anchored_address): New function.
10103 * common.opt (-fsection-anchors): New switch.
10104 * varasm.c (object_block_htab, anchor_labelno): New variables.
10105 (hash_section, object_block_entry_eq, object_block_entry_hash)
10106 (use_object_blocks_p, get_block_for_section, create_block_symbol)
10107 (use_blocks_for_decl_p, change_symbol_section): New functions.
10108 (get_variable_section): New function, split out from assemble_variable.
10109 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
10110 use_blocks_for_decl_p say so. Use change_symbol_section if the
10111 symbol has already been created.
10112 (assemble_variable_contents): New function, split out from...
10113 (assemble_variable): ...here. Don't output any code for
10114 block symbols; just pass them to place_block_symbol.
10115 Use get_variable_section and assemble_variable_contents.
10116 (get_constant_alignment, get_constant_section, get_constant_size): New
10117 functions, split from output_constant_def_contents.
10118 (build_constant_desc): Create a block symbol if use_object_blocks_p
10119 says so. Or into SYMBOL_REF_FLAGS.
10120 (assemble_constant_contents): New function, split from...
10121 (output_constant_def_contents): ...here. Don't output any code
10122 for block symbols; just pass them to place_section_symbol.
10123 Use get_constant_section and get_constant_alignment.
10124 (force_const_mem): Create a block symbol if use_object_blocks_p and
10125 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
10126 (output_constant_pool_1): Add an explicit alignment argument.
10127 Don't switch sections here.
10128 (output_constant_pool): Adjust call to output_constant_pool_1.
10129 Switch sections here instead. Don't output anything for block symbols;
10130 just pass them to place_block_symbol.
10131 (init_varasm_once): Initialize object_block_htab.
10132 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
10133 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
10134 (place_block_symbol, get_section_anchor, output_object_block)
10135 (output_object_block_htab, output_object_blocks): New functions.
10136 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
10137 (TARGET_ASM_OUT): Include it.
10138 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
10139 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
10140 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
10141 (TARGET_INITIALIZER): Include them.
10142 * rtl.c (rtl_check_failed_block_symbol): New function.
10143 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
10144 (block_symbol, object_block): New structures.
10145 (rtx_def): Add a block_symbol field to the union.
10146 (BLOCK_SYMBOL_CHECK): New macro.
10147 (rtl_check_failed_block_symbol): Declare.
10148 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
10149 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
10150 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
10151 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
10152 * output.h (output_section_symbols): Declare.
10153 (object_block): Name structure.
10154 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
10155 (default_use_anchors_for_symbol_p): Declare.
10156 * Makefile.in (RTL_BASE_H): Add vec.h.
10157 (explow.o): Depend on output.h.
10158 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
10159 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10160 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10161 (rs6000_use_blocks_for_constant_p): New function.
10163 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10165 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
10167 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10170 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
10173 2006-02-18 Diego Novillo <dnovillo@redhat.com>
10175 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
10179 2006-02-18 Jakub Jelinek <jakub@redhat.com>
10181 PR middle-end/26334
10182 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
10183 instead of DECL_REGISTER.
10185 2006-02-18 Olivier Hainque <hainque@adacore.com>
10188 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
10190 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
10193 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
10194 * opth-gen.awk: Handle Var and InverseMask together.
10195 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
10196 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
10197 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
10198 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
10200 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10201 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10202 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
10203 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10204 LINUX_DYNAMIC_LINKER): Define.
10205 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
10206 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
10208 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10209 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
10210 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10211 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10212 (TARGET_C99_FUNCTIONS): Don't define.
10213 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
10214 GLIBC_DYNAMIC_LINKER.
10215 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
10216 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
10217 GLIBC_DYNAMIC_LINKER64): Define.
10218 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10219 LINUX_DYNAMIC_LINKER64.
10220 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10221 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10222 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
10223 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10224 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10225 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10226 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
10227 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
10228 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
10229 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
10230 and LINUX_DYNAMIC_LINKER32.
10231 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10232 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10233 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
10234 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10235 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
10237 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
10238 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
10239 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10240 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10241 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10242 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
10243 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
10244 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
10245 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10246 LINUX_DYNAMIC_LINKER): Define.
10247 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
10248 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
10249 GLIBC_DYNAMIC_LINKER64): Define.
10250 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10251 LINUX_DYNAMIC_LINKER64.
10252 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10253 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10254 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
10255 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10256 LINUX_DYNAMIC_LINKER): Define.
10257 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10258 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10259 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
10260 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
10261 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
10262 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10263 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
10264 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
10265 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10266 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10267 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10268 * doc/invoke.texi (-muclibc): Remove caveat about supported
10271 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
10273 * doc/cpp.texi (__TIMESTAMP__): Document.
10275 2006-02-17 Roger Sayle <roger@eyesopen.com>
10277 PR middle-end/25600
10278 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
10279 C is one less than the width of X (and related transformations).
10280 * simplify-rtx.c (simplify_unary_operation_1): Transform
10281 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
10282 depending on STORE_FLAG_VALUE, were C is one less then the
10285 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
10287 Fix PR tree-optimization/26341
10288 * tree-ssa-operands.c (add_virtual_operand): Remove assert
10289 about NAME_MEMORY_TAG's.
10291 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10294 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
10295 with hardware float support, and software float support. Add fcpy
10296 alternative to hardware patterns. Add alternatives to copy between
10297 general and floating-point registers to the 32-bit pattern.
10298 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
10299 secondary reload to load a QI or HI mode constant into a floating
10301 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
10302 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
10304 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
10307 * config/rs6000/darwin.md (load_macho_picbase_si): Add
10309 (load_macho_picbase_di): Likewise.
10311 2006-02-16 Jeff Law <law@redhat.com>
10313 * tree-vrp.c (set_value_range_to_nonnegative): New function.
10314 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
10315 (ssa_name_nonzero_p): Likewise.
10316 (get_value_range): Return NULL if VRP is not running.
10317 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
10318 VRP routines do not discover a range.
10319 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
10320 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
10321 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
10322 (tree_expr_nonnegative_p): Similarly.
10323 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
10324 (restore_nonzero_vars_to_original_value): Remove.
10325 (unsafe_associative_fp_binop): Remove.
10326 (tree_ssa_dominator_optimize): Remove initialization and
10327 finalization of nonzero_vars and nonzero_vars_stack.
10328 (dom_opt_initialize_block): No longer push marker on
10329 nonzero_vars_stack.
10330 (dom_opt_finalize_block): No longer call
10331 restore_nonzero_vars_to_original_value.
10332 (record_equivalences_from_phis): No longer look for
10333 nonzero PHI arguments.
10334 (cprop_into_successor_phis): No longer propagate nonzero
10335 property into PHI arguments. Lose unused argument. Caller
10337 (record_equivalences_from_stmt): No longer record nonzero
10338 values for SSA_NAMEs.
10339 (lookup_avail_expr): No longer use nonzero_vars.
10341 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
10342 for sizetype when sizetype is unsigned.
10344 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
10346 PR rtl-optimization/25603
10347 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
10348 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
10349 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
10350 with new meaning of SETS.
10352 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
10357 * config/linux.opt: New file.
10358 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
10359 LINUX_DYNAMIC_LINKER): Define.
10360 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
10361 * config.gcc (*-*-linux*): Define extra_options.
10362 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
10363 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
10364 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
10365 GLIBC_DYNAMIC_LINKER.
10366 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
10367 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10368 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10369 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10370 * doc/invoke.texi (GNU/Linux Options): New section.
10372 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10374 * config/sparc/sparc.md (setjmp): Rewrite.
10375 (setjmp_32): Delete.
10376 (setjmp_64): Likewise.
10378 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
10380 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
10383 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10385 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
10388 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10390 PR rtl-optimization/26296
10391 * Makefile.in (loop-invariant.c): Add except.h dependency.
10392 * loop-invariant.c: Include except.h.
10393 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
10395 2005-02-16 Paul Brook <paul@codesourcery.com>
10397 * reload1.c (emit_reload_insns): Invalidate dead input registers used
10400 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
10402 PR rtl-optimization/25636
10403 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
10404 when deciding whether an insn is an initializing insn.
10406 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
10408 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
10409 (tree_code_size): Ditto.
10410 * tree.h (struct tree_memory_tag): Remove parent_var.
10411 (struct tree_struct_field_tag): New.
10414 (union tree_node): Add sft member.
10415 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
10417 (create_sft): Add size and offset argument, set SFT_OFFSET and
10419 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
10420 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
10421 * tree-flow-inline.h (get_subvar_at): Update for
10422 SFT_OFFSET/SFT_SIZE.
10423 (var_can_have_subvars): Ditto.
10424 (overlap_subvar): Ditto.
10425 * print-tree.c (print_node): Print out interesting things for
10427 * tree-flow.h (struct subvar): Remove offset and size members.
10428 * tree-ssa-operands.c (get_expr_operands): Update for
10429 get_indirect_ref_operands changes.
10430 (get_indirect_ref_operands): Call add_virtual_operand instead of
10431 add_stmt_operand. Only recurse on base var if requested.
10432 (access_can_touch_variable): New function.
10433 (add_stmt_operand): Split virtual operand handling into ...
10434 (add_virtual_operand): Here. Add offset, size, and for_clobber
10435 arguments. Prune alias sets.
10436 (add_call_clobber_ops): Call add_virtual_operand.
10438 2006-02-15 Jakub Jelinek <jakub@redhat.com>
10440 PR middle-end/26300
10441 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
10443 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
10444 than TREE_CODE as index into omp_clause_num_ops array.
10446 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
10448 PR rtl-optimization/26184
10449 * modulo-sched.c (generate_reg_moves): Free bitmap vector
10451 * modulo-sched.c (sms_schedule): Free g_arr pointer.
10452 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
10453 must_precede, must_follow and tobe_scheduled.
10456 * opts.c (common_handle_option): Free new_option pointer.
10457 * df-core.c (df_analyze): Free postorder pointer.
10459 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10461 * Makefile.in: Fix the examples about the use of stamps
10463 2006-02-15 Michael Matz <matz@suse.de>
10465 PR middle-end/22275
10467 * stor-layout.c (layout_decl): Zero-width bitfields aren't
10468 influenced by maximum_field_alignment or DECL_PACKED.
10469 (update_alignment_for_field): Ditto.
10470 (place_field): Ditto.
10471 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
10474 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
10476 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
10477 (debug_flow_info): Pass it.
10478 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
10479 * bb-reorder.c (reorder_basic_blocks): Likewise.
10480 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
10481 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
10482 * flow.c (life_analysis, recompute_reg_usage): Likewise.
10483 * gcse.c (gcse_main, bypass_jumps): Likewise.
10484 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
10485 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
10486 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
10487 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
10488 * rtl.h (dump_flow_info): Adjust prototype.
10489 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
10490 * var-tracking.c (variable_tracking_main): Likewise.
10491 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
10492 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
10495 2006-02-15 Marcin Dalecki <martin@dalecki.de>
10497 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
10500 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10502 PR tree-optimization/26209
10503 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
10504 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
10506 * tree-cfg.c (replace_uses_by): Do not alter cfg.
10508 2006-02-14 Roger Sayle <roger@eyesopen.com>
10510 PR middle-end/23670
10511 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
10512 (X,Y) and the corresponding symmetry related transformations.
10513 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
10514 (X,Y) and its symmetry related transformations.
10516 2006-02-14 Roger Sayle <roger@eyesopen.com>
10518 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
10521 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
10523 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
10525 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10528 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
10529 support COMDAT group.
10530 * configure: Regenerate.
10532 2006-02-14 Roger Sayle <roger@eyesopen.com>
10534 PR middle-end/26279
10535 PR middle-end/26280
10536 PR middle-end/26283
10537 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
10539 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
10541 Fix PR tree-optimization/26260
10543 * doc/invoke.texi (max-fields-for-field-sensitive): Document
10545 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
10546 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
10547 * tree-ssa-structalias.c (create_variable_info_for): Use
10548 MAX_FIELDS_FOR_FIELD_SENSITIVE.
10550 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10552 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
10554 * tree-ssa-loop-niter.c (number_of_iterations_ne,
10555 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
10556 of the ending condition.
10557 * tree-ssa-loop-manip.c: Include params.h.
10558 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
10559 tree_unroll_loop): New functions.
10560 * tree-pass.h (pass_loop_prefetch): Declare.
10561 * loop.c (rest_of_handle_loop_optimize): Test for
10562 -fprefetch-loop-arrays-rtl.
10563 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
10564 * timevar.def (TV_TREE_PREFETCH): New timevar.
10565 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
10566 pass_loop_prefetch): New.
10567 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
10568 (cleanup_tree_cfg_loop): Call scev_reset.
10569 * common.opt (fprefetch-loop-arrays-rtl): Add.
10570 * tree-ssa-loop-prefetch.c: New file.
10571 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
10572 (new_temp_expr_table): Initialize expr_vars.
10573 (free_temp_expr_table): Cleanup expr_vars.
10574 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
10575 expressions from being merged into one.
10576 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
10577 (struct tree_niter_desc): Add control, bound and cmp fields.
10578 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
10580 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
10581 (tree-cfgcleanup.o): Add SCEV_H dependency.
10582 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
10583 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
10585 2006-02-14 Richard Guenther <rguenther@suse.de>
10587 PR tree-optimization/26258
10588 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
10589 in PHI argument processing.
10591 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
10593 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
10594 new expression in the requested machine mode.
10596 2006-02-13 Roger Sayle <roger@eyesopen.com>
10598 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
10599 directly, instead let do_compare_rtx_and_jump handle this for us.
10600 * expr.c (expand_expr_real_1): Likewise.
10601 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
10602 before do_jump_by_parts_greater.
10603 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
10604 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
10606 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10608 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
10610 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10612 PR rtl-optimization/26235
10613 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
10614 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
10617 2006-02-13 Jeff Law <law@redhat.com>
10619 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
10622 2006-02-13 Jakub Jelinek <jakub@redhat.com>
10624 PR middle-end/26092
10625 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
10626 twice if decl is a builtin. When trying again, call get_callee_fndecl
10627 first to verify it is still a builtin.
10629 2006-02-13 Geoffrey Keating <geoffk@apple.com>
10631 * dwarf2out.c (base_type_die): Don't add AT_name here.
10632 (subrange_type_die): Don't add AT_name here.
10633 (modified_type_die): Rearrange code flow. Do add AT_name here.
10635 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10637 PR rtl-optimization/26247
10638 PR rtl-optimization/26248
10639 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
10641 2006-02-13 Richard Sandiford <richard@codesourcery.com>
10643 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
10644 * config/fixtfdi.c: Likewise.
10645 * config/fixunstfdi.c: Likewise.
10646 * config/floatditf.c: Likewise.
10648 2006-02-13 Roger Sayle <roger@eyesopen.com>
10650 PR middle-end/24427
10651 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
10652 into (X,C2) if C1 is a subset of the bits of C2. Transform
10653 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
10655 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
10657 2006-02-13 Josh Conner <jconner@apple.com>
10660 * varasm.c (function_section): Check for section name before
10661 calling select_section on targets that define
10662 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
10663 unlikely_text_section instead of hot_function_section if
10664 first_function_block_is_cold.
10666 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
10668 PR middle-end/25335
10669 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
10671 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10673 PR rtl-optimization/26222
10674 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
10675 after tree->rtl expansion.
10676 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
10677 before passing it to emit_move_insn.
10679 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
10681 * doc/invoke.texi (-Write-strings): Document that it is enabled by
10683 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
10684 Clarify documentation.
10685 * c-common.h (warn_write_strings): Remove.
10686 * c-common.c (warn_write_strings): Likewise.
10687 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
10690 2006-02-12 Roger Sayle <roger@eyesopen.com>
10692 PR middle-end/25724
10693 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
10694 (do_jump_parts_zero_rtx): New function renamed from
10695 do_jump_parts_equality_rtx. Made static. Add a mode argument.
10696 (do_jump_parts_equality_rtx): New function split out from
10697 do_jump_parts_equality. Old implementation renamed as above.
10698 Call do_jump_parts_zero_rtx if either operand is zero.
10699 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
10700 do all of the heavy lifting.
10701 (do_compare_rtx_and_jump): Handle multi-word comparisons by
10702 calling either do_jump_by_parts_greater_rtx or
10703 do_jump_by_parts_equality_rtx.
10704 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
10705 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
10706 moved to do_compare_rtx_and_jump, call it directly.
10707 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
10708 mode argument. Call do_compare_rtx_and_jump.
10709 (emit_case_nodes): Update calls to do_jump_if_equal.
10711 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10713 PR rtl-optimization/26225
10714 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
10716 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10718 PR rtl-optimization/26232
10719 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
10721 2006-02-11 Jason Merrill <jason@redhat.com>
10724 * tree-inline.c (declare_return_variable): Just don't use the
10725 modify target if it's a gimple complex reg and the return slot
10728 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10730 * doc/contrib.texi: Update my entry.
10732 2006-02-10 Geoffrey Keating <geoffk@apple.com>
10734 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
10736 2006-02-10 Diego Novillo <dnovillo@redhat.com>
10738 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
10741 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
10743 * doc/invoke.texi (-floop-optimize2): Removed.
10744 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
10745 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
10746 Test flag_branch_on_count_reg only if HAVE_doloop_end.
10747 * common.opt (floop-optimize2): Removed.
10748 (fmove-loop-invariants): Enabled by default.
10750 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
10752 * tree-if-conv.c (combine_blocks): Free the result of
10753 get_loop_exit_edges.
10755 2006-02-10 Jeff Law <law@redhat.com>
10757 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
10759 PR tree-optimization/26213
10760 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
10761 loop trying to follow SSA_NAME_VALUE chains.
10763 2006-02-10 Richard Guenther <rguenther@suse.de>
10765 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
10766 deal with structures that end in implicitly variable sized arrays.
10768 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10770 PR rtl-optimization/24762
10771 * df-scan.c (df_bb_refs_record): Record correct registers defined on
10774 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10776 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
10777 (struct ivopts_data): Add regs_used field.
10778 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
10779 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
10780 instead of loop_data->regs_used;
10781 (free_loop_data): Do not free aux fields for loops.
10782 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
10783 and tree_ssa_iv_optimize_finalize.
10785 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
10787 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
10789 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10792 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
10793 computing the effective result type.
10795 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10797 PR inline-asm/16194
10798 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
10799 (tree_overlaps_hard_reg_set): Declare.
10800 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
10801 type and signature to match function type expected by walk_tree.
10802 (tree_overlaps_hard_reg_set): New function.
10803 (decl_conflicts_with_clobbers_p): Rename to:
10804 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
10805 Use tree_overlaps_hard_reg_set. Changed caller.
10806 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
10807 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
10808 * cris.c (cris_md_asm_clobbers): Likewise.
10810 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
10812 * reload1.c (emit_input_reload_insns): Delete code that tries to
10813 inherit using find_equiv_reg.
10815 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
10817 * c-common.h (flag_const_strings): Don't declare.
10818 * c-common.c (flag_const_strings): Remove.
10819 * c.opt (fconst_strings): Remove.
10820 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
10821 <OPT_Wwrite_strings>: Don't set flag_const_strings.
10822 (c_common_init_options): Don't set flag_const_strings.
10823 * doc/invoke.texi (-fno-const-strings): Remove documentation.
10825 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
10827 * arm.md (tlobits_cbranch): New pattern.
10828 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
10829 testing a single bit.
10831 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10834 * tree-ssa-pre.c (create_component_ref_by_pieces):
10835 Handle RETURN_DECL like VAR_DECL.
10837 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10839 PR middle-end/26134
10840 * fold-const.c (fold_indirect_ref_1): Fold
10841 "*(foo *)&complexfoo" to "__real__ complexfoo"
10842 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
10844 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10846 * tree-flow-inline.h (var_can_have_subvars):
10847 Volatile variables should not have subvariables.
10849 2006-02-09 Diego Novillo <dnovillo@redhat.com>
10852 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
10853 multiplying unsigned values.
10856 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
10858 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
10860 2006-02-08 Jason Merrill <jason@redhat.com>
10863 * tree.def: Elaborate on difference from MODIFY_EXPR.
10864 * doc/c-tree.texi (INIT_EXPR): Likewise.
10865 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
10866 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
10867 (gimplify_target_expr): Likewise.
10868 (gimplify_cond_expr): Remove target handling.
10869 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
10870 (gimplify_expr): Clobber it here.
10871 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
10872 Do return slot optimization if we have an INIT_EXPR.
10875 * tree-inline.c (declare_return_variable): Also clear
10876 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
10879 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
10881 PR middle-end/22439
10882 * gimplify.c (gimplify_one_sizepos): Fix typo.
10884 2006-02-08 Jeff Law <law@redhat.com>
10886 PR tree-optimization/21417
10887 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
10888 across a backedge if the control statement at the end of the
10889 block is data dependent on other statements in the same block.
10890 (record_temporary_equivalences_from_stmts): Remove over-conservative
10891 test for threading across backedges.
10893 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
10894 control statement, handle all three special cases in the same
10895 manner as they all have the same desired solution. No longer
10896 special case edge flag updating when the post dominator is
10899 2006-02-08 Roger Sayle <roger@eyesopen.com>
10901 * tree.def (CHAR_TYPE): Remove.
10902 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
10903 * dwarf2out.c (base_type_die, is_base_type): Likewise.
10904 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
10905 (gen_string_type_die): Delete unreachable function.
10907 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
10908 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
10909 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
10910 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
10911 * builtins.c (type_to_class): Likewise.
10912 * fold-const.c (fold_convert, build_range_check,
10913 merge_ranges): Likewise.
10914 * expr.c (count_type_elements): Likewise.
10915 * c-pretty-print.c (pp_c_type_specifier): Likewise.
10916 * stor-layout.c (layout_type): Likewise.
10917 * ipa-type-escape.c (type_to_consider): Likewise.
10918 * gimplify.c (omp_firstprivatize_type_sizes,
10919 gimplify_type_sizes): Likewise.
10920 * explow.c (promote_mode): Likewise.
10921 * tree-sra.c (is_sra_scalar_type): Likewise.
10922 * varasm.c (output_constant): Likewise.
10923 * tree-inline.c (remap_type_1): Likewise.
10924 * convert.c (convert_to_pointer, convert_to_real,
10925 convert_to_integer, convert_to_complex): Likewise.
10927 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
10929 * df-scan.c (df_def_record_1): A set destination may
10930 be a parallel regardless of mode.
10932 2006-02-08 Roger Sayle <roger@eyesopen.com>
10935 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
10936 * config/mips/_tilib.c: Remove.
10937 * config/fixtfdi.c: New libgcc source file.
10938 * config/fixunstfdi.c: New source file.
10939 * config/floatditf.c: New source file.
10940 * config/floatunditf.c: New souce file.
10941 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10942 files above instead of config/mips/_tilib.c.
10943 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10945 2006-02-08 Jeff Law <law@redhat.com>
10947 PR tree-optimization/26169
10948 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
10951 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
10953 * df.h (DF_REG_SIZE): Return the length of the initialized
10956 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
10958 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
10959 __muldf3): Return a correctly signed zero.
10961 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
10963 * passes.c (register_one_dump_file): Accept the current properties
10964 instead of pass number. Adjust call to dump_register. Remove
10966 (register_dump_files): Now a wrapper around...
10967 (register_dump_files_1): ... this one. Do not modify the pass
10969 (next_pass_1): Cosmetic fix.
10970 (execute_todo): Keep second parameter only. Use curr_properties
10971 instead of fetching it from the pass structure. Check and set
10973 (execute_one_pass): Handle TODO_set_props. Use curr_properties
10974 instead of fetching it from the pass structure. Fix calls to
10975 execute_todo. Update curr_properties and initialize .vcg RTL dump
10976 after running the pass. Reset last_verified.
10977 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
10979 (FIRST_AUTO_NUMBERED_DUMP): New.
10980 (dump_register): Remove "num" parameter, assign it within the
10982 (get_dump_file_name): Modify template for dumps.
10983 * tree-dump.h (dump_register): Adjust prototype.
10984 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
10985 (PROP_trees): Add PROP_gimple_lomp.
10986 (TODO_set_props): New.
10987 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
10988 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
10989 * cfgexpand.c (pass_expand): Destroy PROP_trees.
10991 2006-02-08 Jakub Jelinek <jakub@redhat.com>
10993 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
10994 (sparc64-*-linux*): Likewise.
10995 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
10996 * config/sparc/t-linux: New file.
10997 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
10998 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
10999 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
11000 -m32 -mlong-double-128.
11002 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
11003 * config/alpha/t-linux: New file.
11004 * config/alpha/libgcc-alpha-ldbl.ver: New file.
11006 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
11007 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
11008 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
11009 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
11010 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
11011 (CPP_ARCH32_SPEC): Remove.
11013 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
11015 PR tree-optimization/26145
11016 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
11019 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11022 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
11023 >= 240000 when generating code for SOM runtime.
11024 (output_indirect_call): Don't use "b,l" instruction for indirect calls
11025 to $$dyncall when generating code for SOM runtime..
11027 2006-02-07 Dirk Mueller <dmueller@suse.com>
11030 * doc/invoke.texi (-Wsequence-point): Update documentation
11031 that -Wsequence-point is implemented for C++ as well.
11033 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11035 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
11036 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
11037 (LIB_SPEC): Likewise.
11038 * doc/invoke.texi (SPARC options): Document -pthread.
11040 2006-02-07 Geoffrey Keating <geoffk@apple.com>
11042 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
11045 2006-02-07 Roger Sayle <roger@eyesopen.com>
11047 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
11048 Correct comment describing BOOLEAN_TYPE.
11050 2006-02-07 Dirk Mueller <dmueller@suse.com>
11052 * c.opt: C++ frontend supports -Wdiv-by-zero.
11053 * c-opts.c (c_common_handle_option): Remove dead case.
11055 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11057 * configure.ac (TLS assembler check): Do not enable TLS by
11058 default on SPARC/Solaris before version 10.
11059 * configure: Regenerate.
11061 2006-02-07 David Edelsohn <edelsohn@gnu.org>
11063 * doc/invoke.texi (xl-compat): Document conversion and support
11066 2006-02-07 Jeff Law <law@redhat.com>
11068 * tree-vrp.c (find_conditional_asserts): Update comments.
11069 (simplify_stmt_for_jump_threading): New.
11070 (identify_jump_threads, finalize_jump_threads): New.
11071 (vrp_finalize): Call identify_jump_threads.
11072 (execute_vrp): Call finalize_jump_threads.
11073 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
11074 (vrp_element, vrp_data, vrp_element_p): Remove.
11075 (vrp_hash_elt, vrp_variables_stack): Remove.
11076 (vrp_hash, vrp_eq, record_range): Remove.
11077 (simplify_cond_and_lookup_avail_expr): Remove.
11078 (extract_range_from_cond): Remove.
11079 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
11080 (simplify_stmt_for_jump_threading): New.
11081 (dom_thread_across_edge): New wrapper.
11082 (tree_ssa_dominator_optimize): No longer initialize or
11083 finalize any of the VRP datastructures. Remove iteration
11084 step and simplify as a result of removal of iteration step.
11085 (pass_dominator): Perform a cfg cleanup after DOM.
11086 (dom_opt_finalize_block): Use the new common routines
11087 for threading jumps. Simplify stack management slightly.
11088 No longer need to unwind VRP state.
11089 (record_equivalences_from_incoming_edge): No longer record
11091 (eliminate_redundant_computations): No longer call
11092 simplify_cond_and_lookup_avail_expr.
11093 * tree-flow.h (potentially_threadable_block): Prototype.
11094 (thread_across_edge): Likewise.
11095 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
11096 (tree-ssa-threadedge.o): Add dependencies.
11097 * tree-ssa-threadedge.c: New file.
11098 * passes.c (init_optimization_passes): Merge PHIs before
11099 calling VRP. Run VRP again late in the SSA optimization pipeline.
11101 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11103 * df-core.c (df_set_blocks): Do not dereference function pointers.
11104 (df_finish1): Likewise.
11105 (df_hybrid_search_forward): Likewise.
11106 (df_hybrid_search_backward): Likewise.
11107 (df_iterative_dataflow): Likewise.
11108 (df_analyze_problem): Likewise.
11109 (df_compact_blocks): Likewise.
11110 (df_dump): Likewise.
11111 * df-scan.c (df_rescan_blocks): Likewise.
11112 (df_record_entry_block_defs): Likewise.
11114 * genconditions.c (write_conditions): Guard the definition of
11115 'insn_conditions' with the check on GCC version.
11116 (write_writer): Guard the traversal 'insn_conditions' with
11117 the check on GCC version.
11119 2006-02-07 Richard Guenther <rguenther@suse.de>
11123 2006-01-30 Richard Guenther <rguenther@suse.de>
11125 * gimplify.c (gimplify_target_expr): Handle easy cases
11126 without creating a temporary.
11128 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
11130 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
11131 use of float in probability computations. Use edge probabilities
11132 in place of statically computed probabilities.
11133 (min_spec_prob): New static variable.
11134 (schedule_insns): Initialize it.
11135 (GET_SRC_PROB): Removed.
11136 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
11138 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
11141 * config/ia64/unwind-ia64.c: Revert last change.
11142 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
11143 (INCOMING_FRAME_SP_OFFSET): Define.
11145 2006-02-06 Roger Sayle <roger@eyesopen.com>
11147 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
11149 2006-02-07 Ben Elliston <bje@au.ibm.com>
11151 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
11152 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
11153 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
11154 (ix86_return_in_memory): Handle TDmode.
11155 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
11156 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
11158 2006-02-06 Richard Sandiford <richard@codesourcery.com>
11160 * reorg.c (dbr_schedule): Use dump_file instead of file.
11162 2006-02-06 Steve Ellcey <sje@cup.hp.com>
11165 * config/ia64/predicates.md (extr_len_operand): New predicate.
11166 * config/ia64/ia64.md (extv): Tighten constraints.
11168 (*tbit_and_2): Ditto.
11169 (*tbit_and_3): Ditto.
11170 (*tbit_or_2): Ditto.
11171 (*tbit_or_3): Ditto.
11172 (*bit_zero): Ditto.
11175 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
11178 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
11180 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
11182 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
11183 loop_optimizer_init and loop_optimizer_finalize
11184 * tree-ssa-sink.c (execute_sink_code): Ditto.
11185 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11186 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
11187 tree_ssa_loop_done): Ditto.
11188 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
11189 * sched-ebb.c: Include output.h.
11190 (schedule_ebbs): Do not use dump argument.
11191 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
11192 * loop.c (loop_dump_stream): Removed.
11193 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
11195 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
11196 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
11197 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
11198 loop_iterations, strength_reduce, record_biv, record_giv,
11199 final_giv_value, check_final_value, check_ext_dependent_givs,
11200 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
11201 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
11202 dump_file instead of loop_dump_stream.
11203 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
11204 argument dump_file.
11205 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
11207 * flow.c (life_analysis, rest_of_handle_life): Ditto.
11208 * haifa-sched.c: Include output.h
11209 (schedule_insns, sched_init): Do not use dump argument.
11210 * mode-switching.c (optimize_mode_switching): Ditto.
11211 * modulo-sched.c (stats_file): Removed.
11212 (print_node_sched_params): Do not call argument dump_file.
11213 (sms_schedule_by_order, loop_canon_p, sms_schedule,
11214 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
11216 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
11218 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
11219 rtl_loop_init, rtl_loop_done): Ditto.
11220 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
11221 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
11223 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
11224 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
11225 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
11226 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
11227 * emit-rtl.c (renumber_insns): Ditto.
11228 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
11229 expand_gimple_basic_block, tree_expand_cfg): Ditto.
11230 * regclass.c (regclass): Ditto.
11231 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
11232 remove_ssa_form, rewrite_out_of_ssa): Ditto.
11233 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
11234 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
11236 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
11237 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
11239 * gcse.c (gcse_file, debug_stderr): Removed.
11240 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
11241 rest_of_handle_gcse): Do not use dump argument.
11242 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
11243 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
11244 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
11245 compute_code_hoist_vbeinout, compute_code_hoist_data,
11246 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
11247 compute_store_table, build_store_vectors, insert_insn_start_bb,
11248 insert_store, remove_reachable_equiv_notes, replace_store_insn,
11249 store_motion): Use dump_file instead of gcse_file.
11250 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
11251 * profile.c (profile_dump_file): Removed.
11252 (branch_prob): Use dump_file instead of profile_dump_file.
11253 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
11255 * tree-ssa-copy.c (dump_copy_of): Ditto.
11256 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
11257 dump file to life_analysis.
11258 * bt-load.c (branch_target_load_optimize): Ditto.
11259 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
11261 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
11262 regclass, dbr_schedule): Declaration changed.
11263 * sched-int.h (sched_init): Declaration changed.
11264 * tree-profile.c (tree_profile_dump_file): Removed.
11265 (tree_profile_hooks): Removed profile_dump_file hook.
11266 * rtl-profile (rtl_profile_dump_file): Removed.
11267 (rtl_profile_hooks): emoved profile_dump_file hook.
11268 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
11270 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
11271 * tree-cfg.c (build_tree_cfg): Ditto.
11272 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
11273 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
11274 Declaration changed.
11275 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
11276 life_analysis and schedule_insns.
11277 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
11279 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
11281 * config/mips/mips.c (mips_reorg): Ditto.
11282 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
11285 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
11287 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11288 (s390_mangle_fundamental_type): New.
11289 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11292 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11293 (alpha_mangle_fundamental_type): New.
11294 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11297 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11299 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11301 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11302 (sparc_mangle_fundamental_type): New.
11304 2006-02-06 Jakub Jelinek <jakub@redhat.com>
11306 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
11307 (s390x-*-linux*): Likewise.
11308 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
11309 * config/s390/t-linux: New file.
11311 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11313 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
11314 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
11316 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
11318 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
11319 (ANTIC_SAFE_LOADS): New macro.
11320 (find_or_generate_expression): Add prototype.
11321 (set_contains_value): Allow null set for sake of not always having
11322 to allocate ANTIC_SAFE_LOADS.
11323 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
11324 Allow COMPONENT_REF too.
11325 (valid_in_set): Allow COMPONENT_REF.
11326 Check ANTIC_SAFE_LOADS too.
11327 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
11328 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
11330 (can_PRE_operation): Add COMPONENT_REF.
11331 (create_component_ref_by_pieces): New function.
11332 (create_expression_by_pieces): Use create_component_ref_by_pieces.
11333 (insert_aux): Move AGGREGATE_TYPE_P check here.
11334 (compute_avail): Set bb local stmt uids.
11335 (pass_pre): Use TODO_update_ssa_only_virtuals.
11337 2006-02-06 Ben Elliston <bje@au.ibm.com>
11339 * configure.ac: Unconditionally disable decimal float by default.
11340 * configure: Regenerate.
11342 2006-02-06 Ben Elliston <bje@au.ibm.com>
11344 * read-rtl.c (read_name): Terminate reading on EOF.
11346 2006-02-06 Ben Elliston <bje@au.ibm.com>
11348 * dfp.c (decimal_real_arithmetic): Change second argument type
11349 from int to enum tree_code. Do not always return true, but now
11350 return result of any call to decimal_do helper functions.
11351 * dfp.h (decimal_real_arithmetic): Update prototype.
11353 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
11355 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
11357 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
11360 * tree-cfg.c (cleanup_dead_labels): Also don't remove
11363 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11365 * tree-vrp.c (cfg_loops): Removed.
11366 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
11367 Use current_loops instead of cfg_loops. Pass flags to
11368 loop_optimizer_init.
11369 * cfgloopmanip.c (fix_loop_structure): Update only available
11371 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
11372 loop_optimizer_init.
11373 * modulo-sched.c (build_loops_structure): Removed.
11374 (sms_schedule): Use loop_optimizer_init.
11375 * loop-init.c (loop_optimizer_init): Use flags to determine
11376 which properties of loops to prepare.
11377 (rtl_loop_init): Pass flags to loop_optimizer_init.
11378 * tree-ssa-sink.c (execute_sink_code): Ditto.
11379 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
11380 * tree-ssa-pre.c (init_pre): Ditto.
11381 * cfgloop.h (LOOPS_NORMAL): New.
11382 (loop_optimizer_init): Declaration changed.
11384 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11386 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
11387 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
11389 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
11391 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
11393 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
11394 * pa/t-pa64: Delete quadlib.c rule.
11395 * pa/x-ada: Revert last change.
11396 * pa/t-pa: Revert last change. Delete quadlib.c rule.
11398 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11400 PR rtl-optimization/26087
11401 * rtlanal.c (canonicalize_condition): Do not cross basic block
11404 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
11407 * config/ia64/ia64.c: Include debug.h.
11408 (MAX_ARTIFICIAL_LABEL_BYTES): New.
11409 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
11410 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
11411 (process_epilogue, process_set, process_for_unwind_directive):
11412 Output unwind info only if requested. Add CFA info if requested.
11413 Add new arguments as needed. Adjust callers.
11414 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
11416 (DWARF2_FRAME_INFO): Define to zero.
11417 * config/ia64/unwind-ia64.c: Remove code that compensated for
11418 the CFA offset error fixed above.
11419 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
11420 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
11421 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
11422 -funwind-tables and -fexceptions to enable frame info.
11423 (dwarf2out_frame_init): Define initial CFA even if
11424 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
11425 DWARF2_UNWIND_INFO is nonzero, not just defined.
11426 (dwarf2out_frame_finish): Output non-EH call frame info only
11427 if DWARF2_FRAME_INFO is nonzero.
11428 (convert_cfa_to_loc_list,
11429 compute_frame_pointer_to_cfa_displacement): Define even if
11430 unwind info is not supported.
11431 (gen_subprogram_die): Use the above unconditionally. Remove
11432 legacy alternate code.
11433 * toplev.c (compile_file): Compile in call to
11434 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
11435 (lang_dependent_init): Ditto for dwarf2out_frame_init.
11437 2006-02-04 David Edelsohn <edelsohn@gnu.org>
11438 Jakub Jelinek <jakub@redhat.com>
11440 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
11441 IBM extended float format long double as "g" on powerpc*-linux.
11443 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11446 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
11447 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
11449 2006-02-03 Jason Merrill <jason@redhat.com>
11452 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
11454 PR middle-end/25977
11455 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
11456 on the return slot if it's an NRV.
11458 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
11460 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
11461 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
11462 rewrite_use): Do not handle USE_OUTER.
11463 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
11464 add_iv_outer_candidates, may_replace_final_value,
11465 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
11466 (find_interesting_uses_op): Functionality of
11467 find_interesting_uses_outer_or_nonlin moved here.
11468 (find_interesting_uses_outside): Use find_interesting_uses_op.
11470 2006-02-03 Alan Modra <amodra@bigpond.net.au>
11473 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
11475 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
11476 Ulrich Weigand <uweigand@de.ibm.com>
11479 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
11480 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
11481 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
11482 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
11484 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
11485 (s390_rtx_costs): Use the new fields to calculate rtx costs.
11486 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
11487 Define secondary reloads for TFmode moves.
11488 (constant_modes): Add TFmode.
11489 (NR_C_MODES): Set to 8.
11490 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
11492 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
11493 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
11494 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
11495 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
11496 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
11497 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
11498 (FPR mode macro): Add TFmode.
11499 (DSF mode macro): New.
11500 (<de>, <dee> mode attributes): Removed.
11501 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
11502 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
11503 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
11504 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
11505 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
11506 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
11507 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
11508 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
11509 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
11510 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
11511 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
11512 "*negabs<mode>2", "sqrt<mode>2"):
11513 Changed <de> to <xde>. R constraint replaced by <Rf>.
11514 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
11516 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
11517 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
11518 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
11520 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
11521 "extenddftf2", "extendsftf2"): New expanders.
11522 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
11523 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
11524 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
11525 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
11527 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
11528 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
11529 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
11530 __floatditf): Add a GCC_4.1.0 symbol version tag.
11531 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
11534 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
11537 * config/i386/i386.c (ix86_function_ok_for_sibcall):
11538 Use targetm.binds_local_p instead of TREE_PUBLIC.
11540 2006-02-02 Roger Sayle <roger@eyesopen.com>
11542 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
11543 on INTEGER_TYPEs to indicate that it denotes a character type.
11544 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
11545 signed_char_type_node, unsigned_char_type_node and char_type_node.
11546 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
11547 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
11548 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
11550 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
11551 Daniel Berlin <dberlin@dberlin.org>
11553 * tree-tailcall.c (arg_needs_copy_p): New function.
11554 (eliminate_tail_call): Use arg_needs_copy_p.
11555 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
11556 (add_virtual_phis): New function.
11558 2006-02-02 Jakub Jelinek <jakub@redhat.com>
11560 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
11561 #ignore instead of #scratch for %g7 .register directive.
11563 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
11565 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
11568 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11570 * flow.c (calculate_global_regs_live): Assert that there aren't any
11573 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
11575 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
11576 what its name says.
11577 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
11578 bsi_after_labels iterator.
11579 * tree-if-conv.c (find_phi_replacement_condition,
11580 replace_phi_with_cond_modify_expr): Likewise.
11581 * tree-scalar-evolution.c (scev_const_prop): Likewise.
11582 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
11584 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11586 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
11588 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11591 * tree-cfg.c (move_block_to_fn): Clear out the basic block
11592 array after growing it.
11594 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11596 PR middle-end/24901
11597 * fold-const.c (fold_checksum_tree): Change type of buf.
11599 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
11601 * reload.c (push_secondary_reload): Initialize t_icode.
11603 2006-02-01 Jakub Jelinek <jakub@redhat.com>
11605 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
11606 -msoft-float -mlong-double-128 only issue a warning, but don't
11607 swich to DFmode long double.
11609 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
11611 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
11612 has a constant equivalent, iterate over equivalents for arg0,
11613 calling simplify_relational_operation and if there's a result
11614 cheaper than X, apply fold_rtx and return the result.
11616 2006-02-01 Jan Hubicka <jh@suse.cz>
11618 * opts.c (no_unit_at_a_time_default): New global variable.
11619 (decode_options): Use it.
11620 * opts.h (no_unit_at_a_time_default): Declare.
11622 2006-02-01 Paul Brook <paul@codesourcery.com>
11624 * function.c (assign_parm_setup_reg): Use function argument promotion
11626 * expr.c (expand_expr_real_1): Use function argument promotion rules
11629 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11631 * gcc.c (process_command): Change j to 'unsigned int'.
11633 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11635 PR middle-end/26001
11636 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
11637 Use the corrected index for the character
11638 out of the string constant.
11640 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11642 * mode-switching.c (optimize_mode_switching): Fix size
11643 allocated for bb_info[n_entities].
11645 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11647 * gcc.c (main): Correct type that is allocated for
11648 explicit_link_files.
11650 2006-01-31 Jakub Jelinek <jakub@redhat.com>
11652 * config/s390/s390.c (init_alignment_context): Set
11653 ALIAS_SET_MEMORY_BARRIER on the MEM.
11654 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
11656 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
11658 PR middle-end/25933
11659 * loop-unroll.c (unroll_loop_runtime_iterations): Free
11661 * tree-ssa-live.c (type_var_init): Allocate bitmap after
11664 2006-01-31 Marcin Dalecki <martin@dalecki.de>
11666 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
11667 * regrename.c: Ditto.
11668 * tree-ssa-loop-im.c: Ditto.
11669 * tree-dump.c: Ditto.
11670 * tree-complex.c: Ditto.
11671 * genrecog.c: Ditto.
11672 * tree-ssa-threadupdate.c: Ditto.
11674 * java/class.c: Ditto.
11675 * java/jcf-parse.c: Ditto.
11676 * java/resource.c: Ditto.
11677 * java/except.c: Ditto.
11678 * java/jvspec.c: Ditto.
11679 * java/jcf-write.c: Ditto.
11680 * java/jcf-path.c: Ditto.
11681 * java/gjavah.c: Ditto.
11682 * java/zextract.c: Ditto.
11683 * java/jcf-io.c: Ditto.
11684 * java/jcf.h: Ditto.
11685 * java/buffer.c: Ditto.
11686 * java/lang.c: Ditto.
11687 * java/parse-scan.y: Ditto.
11688 * java/lex.c: Ditto.
11689 * java/lex.h: Ditto.
11690 * cfgloopmanip.c: Ditto.
11691 * postreload-gcse.c: Ditto.
11692 * tree-ssa-loop-manip.c: Ditto.
11693 * postreload.c: Ditto.
11694 * tree-ssa-loop-ch.c: Ditto.
11697 * cppspec.c: Ditto.
11698 * diagnostic.c: Ditto.
11700 * genoutput.c: Ditto.
11702 * cfghooks.c: Ditto.
11703 * cfgloopanal.c: Ditto.
11704 * objc/objc-act.c: Ditto.
11706 * genextract.c: Ditto.
11707 * genautomata.c: Ditto.
11708 * pretty-print.c: Ditto.
11709 * genemit.c: Ditto.
11710 * cgraphunit.c: Ditto.
11712 * df-scan.c: Ditto.
11713 * haifa-sched.c: Ditto.
11714 * dominance.c: Ditto.
11716 * tree-ssa-loop-ivopts.c: Ditto.
11717 * df-core.c: Ditto.
11718 * mode-switching.c: Ditto.
11719 * modulo-sched.c: Ditto.
11721 * ipa-pure-const.c: Ditto.
11723 * fix-header.c: Ditto.
11725 * tree-stdarg.c: Ditto.
11726 * ipa-utils.c: Ditto.
11727 * loop-init.c: Ditto.
11728 * ipa-inline.c: Ditto.
11729 * cfganal.c: Ditto.
11731 * alloc-pool.c: Ditto.
11732 * dwarf2out.c: Ditto.
11734 * genattrtab.c: Ditto.
11735 * tree-ssa-loop-ivcanon.c: Ditto.
11736 * predict.c: Ditto.
11737 * timevar.c: Ditto.
11739 * fortran/gfortranspec.c: Ditto.
11740 * regmove.c: Ditto.
11741 * local-alloc.c: Ditto.
11742 * langhooks.c: Ditto.
11743 * function.c: Ditto.
11744 * tree-vectorizer.c: Ditto.
11746 * ipa-type-escape.c: Ditto.
11748 * tree-if-conv.c: Ditto.
11749 * profile.c: Ditto.
11751 * tree-data-ref.c: Ditto.
11752 * loop-unroll.c: Ditto.
11753 * treelang/treetree.c: Ditto.
11755 * bt-load.c: Ditto.
11756 * ggc-common.c: Ditto.
11758 * coverage.c: Ditto.
11760 * tree-cfgcleanup.c: Ditto.
11761 * tree-ssa-pre.c: Ditto.
11762 * cfgcleanup.c: Ditto.
11763 * loop-invariant.c: Ditto.
11764 * loop-iv.c: Ditto.
11765 * ipa-prop.c: Ditto.
11766 * print-tree.c: Ditto.
11767 * conflict.c: Ditto.
11768 * ggc-page.c: Ditto.
11769 * sched-deps.c: Ditto.
11770 * regclass.c: Ditto.
11771 * tree-object-size.c: Ditto.
11772 * combine.c: Ditto.
11773 * bb-reorder.c: Ditto.
11774 * resource.c: Ditto.
11775 * var-tracking.c: Ditto.
11776 * cfgloop.c: Ditto.
11777 * df-problems.c: Ditto.
11778 * reg-stack.c: Ditto.
11780 * gccspec.c: Ditto.
11781 * sched-rgn.c: Ditto.
11782 * tree-ssa-structalias.c: Ditto.
11783 * tree-ssa-reassoc.c: Ditto.
11784 * config/darwin-c.c: Ditto.
11785 * config/darwin.c: Ditto.
11786 * config/arm/arm.c: Ditto.
11788 * collect2.c: Ditto.
11789 * reload1.c: Ditto.
11791 2006-01-31 Nicolas Pitre <nico@cam.org>
11793 * arm.md (smaxsi3): Make aware of smax_m1.
11796 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
11798 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
11800 2006-01-31 Richard Guenther <rguenther@suse.de>
11802 * doc/invoke.texi (-msselibm): Document.
11803 * target.h (expand_library_builtin): New target hook.
11804 * builtins.c (expand_builtin): Use expand_library_builtin.
11805 (default_expand_library_builtin): New function.
11806 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11807 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11808 (link_gcc_math_spec): Declare.
11809 (static_specs): Add link_gcc_math_spec.
11810 * expr.h (default_expand_library_builtin): Declare.
11811 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11812 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11813 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11814 * config/i386/i386.opt (msselibm): New target option.
11815 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11816 (ix86_init_sse_abi_builtins): New function.
11817 (ix86_expand_library_builtin): Likewise.
11818 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11819 (override_options): Handle error conditions wrt -msselibm.
11820 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11821 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11822 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11825 2006-01-31 Richard Guenther <rguenther@suse.de>
11826 Paolo Bonzini <bonzini@gnu.org>
11828 * doc/install.texi (--disable-libgcc-math): Document.
11830 2006-01-30 Marcin Dalecki <martin@dalecki.de>
11832 * expr.h (expand_normal): new inline function.
11833 * builtins.c: use it, use EXPAND_NORMAL explicitely.
11834 * dojump.c: use it.
11835 * dwarf2out.c: use it.
11838 * expmed.c: use it.
11839 * except.c: use it.
11840 * config/sparc/sparc.c: use it.
11841 * config/i386/i386.c: use it.
11842 * config/rs6000/rs6000.c: use it.
11843 * config/arm/arm.c: use it.
11844 * config/mips/mips.c: use it.
11845 * stmt.c: use it, use EXPAND_NORMAL explicitely.
11847 2006-01-30 Roger Sayle <roger@eyesopen.com>
11849 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
11850 argv to the appropriate type.
11852 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
11854 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
11857 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
11860 * config/s390/s390.c (struct machine_function): New flag
11861 decomposed_literal_pool_addresses_ok_p.
11862 (s390_reorg): Set it before final stage of literal pool transforms.
11863 (s390_decompose_address): Only accept displacements of the form
11864 (minus (label_ref ...) (label_ref ...)) if that flag is set.
11866 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
11868 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
11869 the comparison routine return.
11871 2006-01-30 Michael Matz <matz@suse.de>
11873 * global.c (find_reg): Only evict for global regs.
11874 Take n_refs into account and dump more info.
11876 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
11879 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
11880 (pragma_trap, pragma_nosave_low_regs): Likewise.
11881 (current_function_anonymous_args): Likewise.
11882 (sh_deferred_function_attributes): New variable.
11883 (sh_deferred_function_attributes_tail): Likewise.
11884 (print_operand): For '@', look up trap_exit attribute.
11885 (calc_live_regs): Look up trapa_handler attribute. For trapa
11886 handlers, save/restore fpscr, but don't do any other
11887 interrupt-specific saves.
11888 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
11889 Fix check for partially saved registers to check for SHmedia.
11890 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
11891 (sh_output_function_epilogue): Don't clear any of the removed
11893 (sh_insert_attributes): Don't check pragma_interrupt.
11894 Insert deferred attributes. Check that interrupt attribute is
11895 present for other attributes that require its presence.
11896 (sh_attribute_table): Add new attributes trapa_handler and
11898 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
11899 Don't check for pragma_interrupt. Don't store argument.
11900 * sh.h (pragma_interrupt, sp_switch): Don't declare.
11901 (sh_deferred_function_attributes): Declare.
11902 (sh_deferred_function_attributes_tail): Likewise.
11903 * sh.md (sp_switch_1): Add operand. Change generator caller.
11904 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
11905 (*return_i): Don't use when trap_exit attribute is in effect.
11906 (*return_trapa): New insn pattern.
11907 * sh-c.c: New file.
11908 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
11909 setting c_target_objs and cxx_target_objs.
11910 * t-sh: Add rule for sh-c.o.
11912 2006-01-30 Richard Guenther <rguenther@suse.de>
11915 * gimplify.c (gimplify_target_expr): Handle easy cases
11916 without creating a temporary.
11918 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
11920 * vec.h (safe_grow): Remove duplicated line.
11922 2006-01-29 Diego Novillo <dnovillo@redhat.com>
11925 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
11926 (expand_omp): ... here.
11927 (expand_omp_parallel): Only remove barriers for combined
11928 parallel+workshare constructs.
11930 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
11934 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
11935 * tree.c (build_qualified_type): Chain the new type to the original
11936 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
11937 a POINTER_TYPE or a REFERENCE_TYPE respectively.
11938 (build_pointer_type_for_mode): Only return unqualified types.
11939 (build_reference_type_for_mode): Likewise.
11941 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
11943 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
11944 * Makefile.in (CXX_COMPAT_WARN): Define.
11945 * configure: Regenerate.
11947 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
11950 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
11953 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11955 * toplev.c: Fix thinko.
11957 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11958 Marcin Dalecki <martin@dalecki.de>
11960 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
11961 (push_srcloc): Use XNEW.
11962 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
11964 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
11966 * df-core.c (df_set_blocks): Deleted all variable.
11968 2006-01-28 Ian Lance Taylor <ian@airs.com>
11970 * cgraphunit.c (cgraph_assemble_pending_functions): Call
11971 cgraph_output_pending_asms.
11973 2006-01-28 Zack Weinberg <zackw@panix.com>
11975 * c.opt: Add -W(no-)overlength-strings.
11976 * doc/invoke.texi: Document it.
11977 * c-opts.c (c_common_handle_option): -pedantic implies
11978 -Woverlength-strings, if not explicitly disabled already.
11979 (c_common_post_options): -Woverlength-strings defaults to off, and
11980 is always off for C++.
11981 * c-common.c (fix_string_type): Issue warning about strings longer
11982 than is portable only if warn_overlength_strings. Rearrange code
11983 a little for clarity.
11984 * configure.in: Check for -Wno-overlength-strings as well before
11985 enabling -pedantic in stage 1.
11986 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
11987 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
11989 * genconditions.c (write_header, write_one_condition)
11990 (write_conditions, write_writer): Consolidate very long strings
11991 that were broken up to fit in C89 portable limit. Don't use
11992 printf when fputs will do.
11994 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
11996 * combine.c (simplify_comparison <AND>): Check
11997 TRULY_NOOP_TRUNCATION before start using a subreg.
11999 * config/mips/mips.md (*branch_zero<mode>,
12000 *branch_zero<mode>_inverted, *branch_equality<mode>,
12001 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
12002 Remove mode check from comparisons.
12004 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
12006 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
12008 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12010 * expmed.c (const_mult_add_overflow_p): Remove.
12011 * expr.h: Remove the prototype for const_mult_add_overflow_p.
12013 * recog.c (validate_replace_rtx_subexp): Remove.
12014 * recog.h: Remove the prototype for
12015 validate_replace_rtx_subexp.
12017 * integrate.h: Remove the prototype for
12018 copy_decl_for_inlining.
12019 * rtl.h: Remove the prototype for mark_constant_function.
12020 * tree-vectorizer.h: Remove the prototype for
12021 vect_strip_conversion.
12023 * modulo-sched.c (create_partial_schedule,
12024 free_partial_schedule, reset_partial_schedule): Make them
12027 * hooks.c (hook_bool_rtx_int_false): Remove.
12028 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
12030 2006-01-28 David Edelsohn <edelsohn@gnu.org>
12032 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12033 and -mlong-double-128 are incompatible.
12034 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
12035 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
12036 (TARGET_LIBGCC2_CFLAGS): Define.
12037 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
12038 (TARGET_LIBGCC2_CFLAGS): Same.
12039 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
12041 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12044 * c-typeck.c (build_binary_op): Perform implicit casts of
12045 operands before shortening them.
12047 * cfgloopmanip.c (split_loop_bb): Remove.
12048 * cfgloop.h: Remove the prototype for split_loop_bb.
12050 * cfgloop.c (flow_loop_outside_edge_p): Remove.
12051 * cfgloop.h: Remove the prototype for
12052 flow_loop_outside_edge_p.
12054 * emit-rtl.c (init_virtual_regs): Make it static.
12055 * function.h: Remove the prototype for init_virtual_regs.
12057 * recog.c (peephole2_optimize): Make it static.
12058 * recog.h: Remove the prototype for peephole2_optimize.
12060 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12062 * df-scan.c (df_record_entry_block_defs): Check if
12063 INCOMING_RETURN_ADDR_RTX is defined.
12065 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
12066 Kenneth Zadeck <zadeck@naturalbridge.com>
12068 PR rtl-optimization/24762
12069 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12070 * targhooks.c (hook_void_bitmap): New hook prototype.
12071 * targhoohs.h (hook_void_bitmap): Ditto.
12072 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
12073 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
12074 * target.h (live_on_entry): New function pointer.
12075 * df-scan.c (df_all_hard_regs): Removed.
12076 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
12077 (df_scan_free_internal): Added df->entry_block_defs.
12078 (df_scan_alloc): Ditto.
12079 (df_scan_dump): Ditto.
12080 (df_uses_record): Plumbed flag field properly thru calls.
12081 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
12082 This part fixes PR24762.
12083 (df_bb_refs_record): Added code to make the frame and arg
12084 pointers live in EH blocks.
12085 (df_refs_record): Added call to df_record_entry_block_defs.
12086 (df_record_entry_block_defs): New function.
12087 * df-core.c: Added comments to describe new artifical defs.
12088 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
12089 (entry_block_defs): New field in struct df.
12090 (df_all_hard_regs): Deleted.
12091 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12092 * df-problems.c (df_ru_bb_local_compute_process_def):
12093 Added code to handle artifical defs in the entry to a function.
12094 (df_ru_bb_local_compute): Ditto.
12095 (df_rd_bb_local_compute_process_def): Ditto.
12096 (df_rd_bb_local_compute): Ditto.
12097 (df_lr_bb_local_compute): Ditto.
12098 (df_ur_bb_local_compute): Ditto.
12099 (df_urec_bb_local_compute): Ditto.
12100 (df_chain_create_bb): Ditto.
12101 (df_ur_local_finalize): Removed entry.
12102 (df_urec_init): Ditto.
12103 (df_urec_local_finalize): Ditto.
12104 (df_ri_bb_compute): Added detection of last use of pseudos.
12105 * Makefile.in (df-scan.o): Updated dependencies.
12106 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
12107 * config/mips/mips.c (mips_set_live_on_entry): Added.
12108 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
12110 * dce.c (marked_insn_p): Added code to handle artifical defs.
12112 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12114 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
12116 (_mm_cvtsi128_si64): Likewise.
12117 (_mm_cvtsd_si64): Likewise.
12118 (_mm_cvttsd_si64): Likewise.
12119 (_mm_cvtsi64_sd): Likewise.
12120 (_mm_cvtsi64_si128): Likewise.
12121 * config/i386/mmintrin.h (_m_from_int64): Likewise.
12122 (_mm_cvtsi64_m64): Likewise.
12123 (_m_to_int64): Likewise.
12124 (_mm_cvtm64_si64): Likewise.
12125 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
12126 (_mm_cvttss_si64): Likewise.
12127 (_mm_cvtsi64_ss): Likewise.
12128 (_mm_cvtss_f32): Likewise.
12130 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
12132 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
12133 for pragma redefine_extname.
12135 2006-01-27 Jakub Jelinek <jakub@redhat.com>
12138 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
12139 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
12140 -mno-minimal-toc to previous content.
12141 (bispecs): Remove goal.
12142 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
12143 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
12144 compatibility aliases on powerpc-*-*gnu*.
12145 * config/rs6000/libgcc-ppc-glibc.ver: New file.
12146 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
12147 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
12148 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
12149 (ldblspecs): New goal.
12150 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
12151 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
12153 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
12154 L_sf_to_tf or L_df_to_tf is defined.
12156 2006-01-27 David Edelsohn <edelsohn@gnu.org>
12157 Alan Modra <amodra@bigpond.net.au>
12160 * config/rs6000/linux.h (POWERPC_LINUX): Define.
12161 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
12162 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
12163 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
12164 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
12165 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
12166 (rs6000_override_options): Initialize rs6000_ieeequad.
12167 Initialize TFmode format to ibm_extended_format if not
12169 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
12171 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
12172 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
12173 (function_arg_advance): IBM long double passed in two FPRs, not
12175 (function_arg): IBM long double passed in FPRs.
12176 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
12177 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
12178 Only multireg GPR aligned.
12179 (rs6000_init_libfuncs): Enable IBM long double functions if not
12181 (rs6000_generate_compare): Use IBM long double compare if not
12183 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
12184 (TARGET_IEEEQUAD): Define.
12185 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
12186 not TARGET_IEEEQUAD.
12187 * config/rs6000/rs6000.md: Enable TFmode patterns if
12189 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
12190 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12191 and -mlong-double-128 are incompatible.
12192 * doc/invoke.texi (-mabi): Collect options together. Add
12193 ibmlongdouble and ieeelongdouble.
12195 2006-01-27 Richard Sandiford <richard@codesourcery.com>
12197 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
12199 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
12200 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
12201 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
12202 * rtl.h (rtunion_def): Remove rt_ptr.
12204 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
12205 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
12206 * config/i386/winnt.c (i386_pe_mark_dllexport)
12207 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
12209 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
12211 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
12213 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12217 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
12218 pthread_key_delete. From John David Anglin. gthrw-ify
12219 pthread_getunique_np only if it it's not a macro. Delete
12221 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
12222 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
12223 __gthread_objc_condition_signal, __gthread_key_delete): Add
12224 "__attribute__ ((__unused__))" to unused arguments.
12225 (__gthread_recursive_mutex_init_function): Add missing return.
12226 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
12227 gthr-posix95.h: Use macro-based approach for name redirection
12228 on targets missing weakref.
12230 2006-01-26 Zack Weinberg <zackw@panix.com>
12232 * genconditions.c (write_header): In generated code, #ifdef out
12233 all includes and fake declarations, except includes of bconfig.h
12234 and system.h, unless GCC_VERSION >= 3001. Do not include
12235 gensupport.h in any case.
12236 (write_conditions): Generate a definition of struct c_test. Add
12237 a comment to the generated #endif.
12238 (write_one_condition): Escape backslashes in string too.
12239 (write_writer): Generated code must escape backslashes and quote
12240 marks (but not newlines) in the strings it writes.
12241 * Makefile.in (build/gencondmd.o): Update dependencies.
12243 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12246 * Makefile.in (insn-automata.o): Add header file dependencies.
12247 * genautomata.c: Add includes.
12249 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12252 * Makefile.in (insn-automata.o): Add -Wno-error flag.
12254 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12256 * configure.ac: Expect target tools paths to be passed from the toplevel
12257 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
12259 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
12261 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12264 * c.opt (Wpointer-sign): Init to -1.
12265 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
12266 OPT_pedantic, to 0 otherwise.
12267 * doc/invoke.texi: Update.
12269 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12271 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
12272 constants provided by 80387 instructions in the destination mode.
12274 2006-01-26 Richard Guenther <rguenther@suse.de>
12275 Andrew Pinski <pinskia@physics.uc.edu>
12278 partial PR tree-opt/17064
12279 * tree-ssa-structalias.c (intra_create_variable_infos):
12280 Create heap variables for incoming parameters if
12281 flag_argument_noalias > 1.
12282 (find_what_p_points_to): Look through default defs of
12285 2006-01-26 Jeff Law <law@redhat.com>
12288 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
12289 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
12290 within the VR_RANGE, use the VR_RANGE as the result, not the
12292 (adjust_range_with_scev): Reject ranges from SCEV which are out of
12293 bounds for the type.
12295 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
12297 * tree-ssa-alias.c (maybe_create_global_var): Change
12298 subvar walking to an assertion that we don't have subvar'd variables.
12300 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
12303 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
12304 Use a new variable, inner. PARM_DECLs are always non-weak.
12306 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
12308 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
12309 --disable-checking.
12311 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
12313 * config/mips/mips.md (*clear_upper32): New combiner pattern.
12315 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
12317 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
12318 (smax_insn, smin_insn, smax_0, smin_0): New.
12320 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
12323 * config/cris/cris.c (cris_order_for_addsi3): New function.
12324 * config/cris/cris-protos.h: Prototype it.
12325 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
12326 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
12327 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
12328 (split for "op.S1 [rx=rx+i],ry (swapped)")
12329 (split for "op(s|u).S1 [rx=rx+i],ry")
12330 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
12331 Apply cris_order_for_addsi3 when generating addsi3 insns.
12333 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12335 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
12336 (TREE_BLOCK): Add call to EXPR_CHECK.
12338 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12341 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
12342 * tree-pretty-print.c (dump_omp_clause): Extract from ...
12343 (dump_omp_clauses): ... here.
12344 (dump_generic_node): Handle OMP_CLAUSE.
12345 * tree.c (omp_clause_num_ops): New.
12346 (omp_clause_code_name): New.
12347 (tree_code_size): Handle OMP_CLAUSE.
12348 (tree_size): Likewise.
12349 (make_node): Document handling of OMP_CLAUSE.
12350 (tree_node_structure): Handle OMP_CLAUSE.
12351 (omp_clause_check_failed): New.
12352 (omp_clause_range_check_failed): New.
12353 (omp_clause_operand_check_failed): New.
12354 (build_omp_clause): New.
12355 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
12356 * tree.h (enum omp_clause_code): Declare.
12357 (OMP_CLAUSE_SUBCODE_CHECK): Define.
12358 (OMP_CLAUSE_RANGE_CHECK): Define.
12359 (OMP_CLAUSE_ELT_CHECK): Define.
12360 (omp_clause_check_failed): Declare.
12361 (omp_clause_operand_check_failed): Declare.
12362 (omp_clause_range_check_failed): Declare.
12363 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
12364 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
12365 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
12366 (OMP_CLAUSE_LASTPRIVATE): Likewise.
12367 (OMP_CLAUSE_IF_EXPR): Likewise.
12368 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
12369 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
12370 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
12371 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
12372 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
12373 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
12374 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
12375 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
12376 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
12377 (OMP_CLAUSE_CODE): Define.
12378 (OMP_CLAUSE_SET_CODE): Define.
12379 (OMP_CLAUSE_CODE): Define.
12380 (OMP_CLAUSE_OPERAND): Define.
12381 (struct tree_omp_clause): Declare.
12382 (union tree_node): Add field 'omp_clause'.
12383 * treestruct.def (TS_OMP_CLAUSE): Define.
12384 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
12385 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
12386 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
12387 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
12388 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
12389 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
12390 (OMP_CLAUSE): Define.
12391 * print-tree.c (print_node): Handle OMP_CLAUSE.
12392 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
12393 * c-typeck.c: Likewise.
12394 * gimplify.c: Likewise.
12395 * c-omp.c: Likewise.
12396 * tree-nested.c: Likewise.
12397 * tree-inline.c: Likewise.
12398 * c-parser.c: Likewise.
12399 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
12402 2006-01-25 Roger Sayle <roger@eyesopen.com>
12404 PR rtl-optimization/25703
12405 * combine.c (try_combine): Handle zero_extract and strict_low_part
12406 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
12408 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
12410 * global.c: Fix comment typos.
12412 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
12415 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
12416 Use output_addr_const instead of assemble_name.
12418 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
12420 * Makefile.in (sched-vis.o): Update dependencies.
12421 * haifa-sched.c (sched_finish): Clear current_sched_info.
12422 * cfg.c (dump_bb_info): New, split from dump_flow_info.
12423 (dump_flow_info): Call it.
12424 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
12426 * basic-block.h (dump_bb_info): Declare.
12427 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
12428 option, and apply options only for dump files whose TDF_RTL,
12429 TDF_TREE, or TDF_IPA bits match.
12430 * rtl.h: Declare new functions exported from sched-vis.c.
12431 * sched-vis.c: Enable also if scheduling is not used.
12432 (print_value): Print the mode of registers if not inside scheduling.
12433 (print_insn): Make it work outside the scheduler. Beautify the output
12435 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
12437 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12439 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
12440 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
12441 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
12442 depending on the value of CONSTANT_POOL_ADDRESS_P.
12443 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
12445 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
12446 rather than SYMBOL_REF_DECL.
12447 (rtx_constant_pool): Remove const_rtx_sym_htab.
12448 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
12449 (init_varasm_status): Don't initialize const_rtx_sym_htab.
12450 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
12451 Remove handling of const_rtx_sym_htab.
12452 (find_pool_constant): Delete.
12453 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
12454 rather than find_pool_constant.
12455 (get_pool_constant_for_function): Delete.
12456 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
12457 find_pool_constant.
12458 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
12459 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
12460 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
12461 (SYMBOL_REF_CONSTANT): New macro.
12462 (get_pool_constant_for_function): Delete.
12463 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
12464 rather than SYMBOL_REF_DECL.
12465 (i386_pe_mark_dllimport): Likewise.
12466 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
12467 rather than SYMBOL_REF_DECL.
12468 * config/darwin.c (machopic_indirect_data_reference): Likewise.
12469 (machopic_indirect_call_target): Likewise.
12471 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
12473 * flow.c (delete_noop_moves): Add missing EOL to dump message.
12475 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12477 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
12479 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
12481 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
12483 2006-01-24 David Daney <ddaney@avtrex.com>
12486 * configure.ac (enable_tls): New enable option.
12487 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
12488 * configure: Regenerate.
12489 * doc/install.texi (--enable-tls): Document new option.
12490 (--disable-tls): Ditto.
12492 2006-01-24 Richard Henderson <rth@redehat.com>
12494 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
12495 * alias.c (true_dependence): Respect it.
12496 (canon_true_dependence, write_dependence_p): Likewise.
12497 * builtins.c (get_builtin_sync_mem): Set it.
12499 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
12501 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
12504 2006-01-24 DJ Delorie <dj@redhat.com>
12506 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
12507 for storing constants in single-bit bitfields.
12509 2006-01-25 Ben Elliston <bje@au.ibm.com>
12511 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
12513 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
12516 * tree-ssa-pre.c (phi_translate): Return NULL
12517 for AGGREGATE_TYPE's.
12519 2006-01-24 Zack Weinberg <zackw@panix.com>
12521 * genautomata.c (process_state_for_insn_equiv_partition):
12522 Use xcalloc for insn_arcs_array.
12523 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
12524 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
12526 2006-01-24 Richard Henderson <rth@redhat.com>
12528 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
12529 update all callers.
12531 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
12533 PR rtl-optimization/25890
12534 PR rtl-optimization/25905
12535 * combine.c (expand_compound_operation, expand_field_assignment):
12536 Fail if the bitfield's final position is out of bounds.
12538 2006-01-24 Ian Lance Taylor <ian@airs.com>
12540 PR middle-end/25930
12541 * cgraphunit.c (cgraph_output_in_order): Don't clear
12542 cgraph_asm_nodes until after asm strings have been output.
12544 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
12546 * fix-header.c (read_scan_file): Add new parameter imultilib when
12547 calling register_include_chains.
12549 2006-01-23 Diego Novillo <dnovillo@redhat.com>
12551 * omp-low.c: Update documentation.
12553 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12554 Daniel Berlin <dberlin@dberlin.org>
12558 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
12559 return from the function.
12561 2006-01-22 Zack Weinberg <zackw@panix.com>
12563 * rtl.def (match_code): Add second argument.
12564 * genpreds.c (write_extract_subexp): New function.
12565 (write_match_code): Add path argument. Use write_extract_subexp.
12566 (write_predicate_expr): Pass path to write_match_code.
12567 (mark_mode_tests): MATCH_CODE applied to a subexpression does
12568 not perform a mode test.
12569 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
12570 a subexpression does not constrain the top-level code set.
12571 * read-rtl.c (read_rtx_variadic): New function.
12572 (read_rtx_1): Use it; allow AND and IOR to be variadic.
12573 * doc/md.texi: Document new notation.
12574 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
12575 (cmpsi_operand): ... here, using new notation.
12577 2006-01-22 Zack Weinberg <zackw@panix.com>
12579 * varray.c: Remove GENERATOR_FILE #ifdefs.
12581 2006-01-22 Zack Weinberg <zackw@panix.com>
12583 * genautomata.c (output_reserved_units_table): Emit nothing if
12584 description->query_units_num is zero. Remove extra blank line.
12585 (output_cpu_unit_reservation_p): Short circuit
12586 if description->query_units_num is zero.
12588 2006-01-22 Zack Weinberg <zackw@panix.com>
12590 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
12591 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
12592 nor any of the random handful of variables that used to be necessary
12593 when this program was linked with rtlanal.o. Prune set of forward
12594 function declarations.
12595 (struct attr_desc): Remove static_p field.
12596 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
12597 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
12598 (attr_string): Do not read the character one past the length of
12600 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
12601 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
12602 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
12603 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
12604 (make_automaton_attrs): New.
12605 (main): Do not call into genautomata. Call local gen_bypass
12606 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
12607 Remove special case for insn_alts.
12608 * genautomata.c: Include gensupport.h; not genattrtab.h nor
12609 varray.h (leftover from previous change). Prune set of forward
12610 function declarations. Remove state_alts fields from all
12611 structures. Remove state_alts_table from struct automaton.
12612 Make everything except main static. Do not maintain num_dfa_decls.
12613 Do not maintain state_alts fields of various structures.
12614 (process_decls): Don't validate condexp for dm_insn_reserv decls.
12615 (add_arc): Remove state_alts argument. All callers updated.
12616 (output_reserved_units_table): Emit #ifdef here...
12617 (output_tables): ...not here. Don't generate state_alts tables.
12618 (expand_automata): Don't generate attributes.
12619 (write_automata): Don't generate state_alts functions.
12620 (main): New function.
12621 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
12622 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
12623 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
12624 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
12625 (BYPASS_P_FUNC_NAME, output_state_alts_table)
12626 (output_automata_list_state_alts_code, output_internal_state_alts_func)
12627 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
12628 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
12630 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
12631 * genattrtab.h: Delete file.
12632 * Makefile.in (OBJS-common): Add insn-automata.o.
12633 (insn-automata.o): New rule.
12634 (simple_generated_c): Add insn-automata.c.
12635 (build/genattrtab.o, build/genautomata.o): Update dependencies.
12636 (genprogmd): Add automata.
12637 (build/genattrtab): Needs no extra objects nor libraries.
12638 (build/genautomata): Needs build/vec.o and -lm.
12640 2006-01-22 Zack Weinberg <zackw@panix.com>
12642 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
12643 (output_dfa_max_issue_rate, locked_states_num): Delete.
12644 (struct automaton): Add locked_states field.
12645 (output_dead_lock_vect): Save number of locked states in
12646 automaton->locked_states. If it is zero, don't print anything.
12647 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
12648 (output_internal_dead_lock_func): Only test the dead_lock_vect
12649 for automata that have locked states.
12650 (output_statistics): Always print the number of locked states for
12651 each automaton. Calculate total number of locked states here.
12652 (write_automata): Don't call output_dfa_max_issue_rate.
12653 * genattrtab.c: Define length_unit_log as a const variable.
12654 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
12655 max_insn_queue_index const.
12656 * final.c (length_unit_log): Declare const.
12657 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
12659 2006-01-22 Zack Weinberg <zackw@panix.com>
12661 * genautomata.c: Include vec.h, not varray.h.
12662 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
12663 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
12664 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
12665 VEC_* macros operating on appropriately typed vectors, or to
12666 malloced arrays when the size is known in advance. Const-ify
12667 many char* variables and function arguments. No functional changes.
12668 * Makefile.in (build/varray.o): Delete rule.
12669 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
12670 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
12672 2006-01-22 Zack Weinberg <zackw@panix.com>
12674 * gensupport.c: Define get_insn_name and record_insn_name here.
12675 (read_md_rtx): Call record_insn_name as appropriate.
12676 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
12677 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
12678 * genpreds.c, genrecog.c: Don't define get_insn_name nor
12680 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
12681 (BUILD_VARRAY): Delete.
12682 (genprognormal): Rename genprogmd. Fold in all programs from
12683 genprognoprint; also attrtab.
12684 (build/genattrtab): Just mention genautomata.o and varray.o.
12685 Reorganize a bit, add comments to make the categories clearer.
12687 2006-01-22 Zack Weinberg <zackw@panix.com>
12689 * genconditions.c (condition_table, add_condition): Delete.
12690 (write_conditions): Don't emit n_insn_conditions nor
12691 insn_elision_unavailable. Issue the gcc version #ifdef here,
12692 inside the table, with no #else clause ...
12693 (write_header): ...not here.
12694 (write_writer): New function.
12695 (main): Don't initialize condition_table. Use add_c_test.
12697 * gensupport.c (init_md_reader_args_cb): Handle multiple input
12698 files on the command line.
12699 (maybe_eval_c_test): Don't check insn_elision_unavailable.
12700 Return -1 if there is no entry in the table, don't abort.
12701 (add_c_test, traverse_c_tests): New functions.
12702 * gensupport.h (insn_elision_unavailable, insn_conditions)
12703 (n_insn_conditions): Delete declarations.
12704 (add_c_test, traverse_c_tests): Declare.
12705 * read-rtl.c: Include gensupport.h.
12706 (read_conditions): New function.
12707 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
12708 (read_rtx_1): If we get EOF when we were looking for an initial
12709 open paren, return 0. Call read_conditions when appropriate.
12710 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
12711 dummy-conditions.o. Eliminate references to insn-conditions.o,
12712 or change them to build/gencondmd.o, as appropriate. Remove
12713 insn-constants.h from $(simple_generated_h) and insn-conditions.c
12714 from $(simple_generated_c). For all files remaining in those
12715 two lists, add insn-conditions.md to the generator command line.
12716 Give insn-constants.h/s-constants their own rules. Add rules
12717 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
12718 (build/read-rtl.o): Depend on gensupport.h.
12719 (genprognormal): Include preds.
12720 (genprogearly): Rename genprognoprint; only difference is now that
12721 they don't link with $(BUILD_PRINT).
12722 * dummy-conditions.c: Delete.
12724 2006-01-22 Zack Weinberg <zackw@panix.com>
12726 * genextract.c: Don't include insn-config.h. Do include vec.h.
12727 Declare vectors of int, char, and locstr.
12728 (locstr): New typedef.
12729 (struct extraction): Make all array fields into bare pointers.
12730 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
12731 (insn_code_number): Delete.
12732 (accum_extract): New struct.
12733 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
12734 (gen_insn): Take insn_code_number as an argument. Use an
12735 accum_extract structure instead of loading data directly into
12736 a struct extraction, and having to know how big it might get.
12737 (walk_rtx): Operate entirely on an accum_extract structure.
12738 (print_path): Avoid unnecessary use of printf.
12739 (print_header): New function, split out of main. Distinguish
12740 more carefully between an unrecognizable insn and an insn that
12741 has the code number of a define_expand.
12742 (main): Pass insn_code_number to gen_insn. Call print_header
12743 only after parsing. Avoid unnecessary use of printf.
12744 * Makefile.in (build/vec.o): New rule.
12745 (build/genextract): Depend on build/vec.o.
12746 (build/genextract.o): Don't depend on insn-config.h.
12748 2006-01-22 Zack Weinberg <zackw@panix.com>
12750 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
12751 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
12752 practical. Eliminate per-generator-program link rules.
12754 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12756 PR middle-end/24437
12757 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12758 with a call expr to ...
12759 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12761 2006-01-23 Richard Guenther <rguenther@suse.de>
12763 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
12764 before make_edge with conditional EDGE_TRUE_VALUE.
12766 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
12767 Jan Hubicka <jh@suse.cz>
12768 Richard Guenther <rguenther@suse.de>
12770 PR rtl-optimization/25654
12771 * cfgexpand.c (aggregate_contains_union_type): New function.
12772 (add_alias_set_conflicts): Call it. Make sure to add conflicts
12773 for structure variables that contain a union type.
12775 2006-01-23 Richard Sandiford <richard@codesourcery.com>
12777 * gengtype.c (new_structure): Return the structure.
12778 (create_option): Add an extra "next" argument.
12779 (create_field): New function.
12780 (adjust_field_rtx_def): Use create_option and create_field.
12781 Remove a now-unnecessary call to find_structure.
12782 (adjust_field_tree_def): Likewise.
12783 (note_yacc_type): Remove an unnecessary call to find_structure.
12784 * gengtype.h (new_structure): Return the structure.
12785 (create_option): Add an extra argument.
12786 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
12787 (option): Adjust calls to create_option.
12789 2006-01-22 David Edelsohn <edelsohn@gnu.org>
12791 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
12793 2006-01-22 Paul Brook <paul@codesourcery.com>
12794 Peter Barada <peter@the-baradas.com>
12796 * config/m68k/m68k.md: Add Coldfire FPU support.
12797 Define FP mode macro and associated attributes.
12798 Use it for float mode patterns.
12799 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
12800 (LIBCALL_VALUE): Use m68k_libcall_value.
12801 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
12802 (m68k_function_value): Ditto.
12803 (emit_move_sequence): Ditto.
12804 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
12805 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
12806 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
12807 (MULTILIB_EXCEPTIONS): Ditto.
12808 * config/m68k/m68k.opt: Add mcfv4e.
12809 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
12810 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
12811 (m68k_output_function_prologue): Save ColdFire FPU registers.
12812 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
12813 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
12814 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
12815 ColdFire FPU registers.
12816 (m68k_libcall_value, m68k_function_value): New functions.
12817 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
12818 (LIBCALL_VALUE): Use m68k_libcall_value.
12819 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
12820 (MASK_COLDFIRE): Add MASK_CFV4E.
12821 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
12822 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
12823 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
12824 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
12825 (GO_IF_LEGITIMATE_ADDRESS): Use it.
12826 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
12827 * doc/invoke.tex: Document -mcfv4e on m68k.
12829 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
12831 * doc/contribute.texi: Change CVS to SVN and update the corresponding
12834 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
12837 * c-opts.c (c_common_handle_option): Don't include
12838 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
12839 * doc/invoke.texi (C++ Dialect Options): Document that
12840 -Wnon-virtual-dtor is no longer included in -Wall.
12842 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
12844 * gcov.c (print_version), gcov-dump.c (print_version),
12845 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
12848 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
12850 * df-scan.c (problem_SCAN): Added NULL reset function.
12851 (df_scan_reset_blocks): Added code to call reset block function
12852 (df_bb_refs_delete) Fixed comment.
12853 (df_insn_refs_delete): Made tolerant of deleting non existent info
12854 for dataflow problems that need to be reset.
12855 * df-core.c (df_set_blocks): Ditto.
12856 * df.h (struct df_problem): Added reset_fun.
12857 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
12858 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
12859 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
12860 functions to clear out all references to def-use or use-def chains.
12862 2006-01-21 Ben Elliston <bje@au.ibm.com>
12864 * varasm.c (assemble_real): Initialise data array.
12866 2006-01-20 Paul Brook <paul@codesourcery.com>
12868 Merge from csl-arm-branch.
12869 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
12870 * config/arm/arm.md (movdi): Force operands[1] to a register
12871 if we have a non-register source.
12872 (*arm_movdi, *movdf_soft_insn): Require that one of the
12873 operands be a register.
12874 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
12875 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
12877 2006-01-20 DJ Delorie <dj@redhat.com>
12879 * varasm.c (initializer_constant_valid_p): Allow pointers
12880 initialized from integer constants of lesser precision.
12881 (output_constant): Allow non-int-sized pointer modes to be
12882 initialized from integer constants.
12884 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
12887 * cppdefault.h (struct default_include): Add multilib flag.
12888 * cppdefault.c (cpp_include_defaults): Set it.
12889 * c.opt (-imultilib): New option.
12890 * c-opts.c (imultilib): New.
12891 (c_common_handle_option): Handle -imultilib.
12892 (c_common_post_options): Likewise.
12893 * c-incpath.c (add_standard_paths, register_include_chains):
12895 * c-incpath.h (register_include_chains): Add extra parameter.
12896 * gcc.c (do_spec_1): Generate -imultilib option.
12897 (The Specs Language): Update %I description.
12898 (process_command): Update copyright notice.
12899 * doc/cppopts.texi (-imultilib): Document.
12900 * doc/invoke.texi (-imultilib): Include in option summary.
12901 (%I): Update specs documentation.
12903 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12905 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
12907 2006-01-20 Richard Sandiford <richard@codesourcery.com>
12909 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
12912 2006-01-20 Richard Guenther <rguenther@suse.de>
12913 Steven Bosscher <stevenb.gcc@gmail.com>
12915 PR rtl-optimization/24626
12916 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
12917 EDGE_TRUE_VALUE if in RTL mode.
12920 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
12921 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
12923 2006-01-20 Dirk Mueller <dmueller@suse.com>
12926 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
12927 instead of a special NOP marker.
12928 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
12929 NOP marker handling.
12930 * c-common.h (empty_body_warning): Add forward declaration.
12931 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
12932 Now uses IS_EMPTY_STMT() instead of special NOP markers.
12934 2006-01-20 Paul Brook <paul@codesourcery.com>
12936 * Makefile.in (lang_checks): Keep going if mkdir fails.
12938 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12940 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
12941 be able to clean out basic block when not necessary.
12942 (df_scan_free): Fixed to properly delete information if df is
12943 unused before calling df_finish.
12944 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
12945 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
12947 (df_bb_refs_delete): New function.
12948 (df_refs_delete): Moved per block code to df_bb_refs_delete.
12949 * df-core.c (df_set_blocks): Added code to properly clean out
12950 unused blocks if they are not part of the blocks to consider.
12951 Added additional null check.
12952 (df_compact_blocks): Added basic block parameter to free_bb_fun to
12953 be able to clean out basic block when not necessary
12954 * df.h (df_free_bb_function): Ditto.
12955 (df_bb_refs_delete): New function.
12956 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
12957 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
12958 basic block parameter to be able to clean out basic block when not
12960 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
12961 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
12962 Fixed to properly delete information if df is unused before
12965 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12967 PR rtl-optimization/25799
12968 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
12969 Corrected confluence operator to remove bits from op2 before oring
12970 with op1 rather than removing bits from op1.
12971 (df_ru_transfer_function): Corrected test on wrong bitmap which
12972 caused infinite loop. Both of these problems were introduced in
12973 the dataflow rewrite.
12975 2006-01-19 DJ Delorie <dj@redhat.com>
12977 * reload1.c (find_reload_regs): Note the details of reload
12978 failures in the dump file.
12979 (spill_failure): Likewise.
12981 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12983 * loop-iv.c: Include df.h and hashtab.h.
12984 (enum iv_grd_result): New enum.
12985 (DF_REF_IV, DF_REF_IV_SET): New macros.
12986 (struct biv_entry): New.
12987 (df, bivs): New global variables.
12988 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
12989 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
12991 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
12992 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
12993 analyzed_for_bivness_p, record_biv): New functions.
12994 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
12995 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
12996 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
12998 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
13000 (iv_number_of_iterations): Use new interface to iv analysis.
13001 * loop-unroll.c: Do not include varray.h.
13002 (analyze_iv_to_split_insn): Use new interface to iv
13004 * loop-unswitch.c (may_unswitch_on): Ditto.
13005 * df.c (df_bitmaps_free): Only work for bbs for that structures are
13007 (df_bb_modify): Realloc tables to the new index.
13008 (df_find_use): New function.
13009 * df.h (df_find_use): Declare.
13010 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
13012 * cfgloop.h (struct rtx_iv): Remove analysed field.
13013 (iv_get_reaching_def): Removed.
13014 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
13015 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
13016 (loop-iv.o): Add df.h and hashtab.h dependency.
13017 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
13019 2006-01-20 Alan Modra <amodra@bigpond.net.au>
13022 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
13024 (__floatundisf, __floatundidf): Likewise.
13025 * libgcc2.h (IS_IBM_EXTENDED): Define.
13027 2006-01-19 DJ Delorie <dj@redhat.com>
13029 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
13031 2006-01-19 Paul Brook <paul@codesourcery.com>
13033 * config/arm/arm.c (arm_compute_func_type): Treat all functions
13034 as nothrow when unwinding tables are disabled.
13036 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13039 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
13040 of bit-field" when in system header.
13042 2006-01-19 DJ Delorie <dj@redhat.com>
13044 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
13045 the 16 bit shift limit of the m16c.
13047 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
13050 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
13051 * config/i386/i386.c (output_set_got): Output the label if we have one
13052 for the TARGET_DEEP_BRANCH_PREDICTION case.
13054 2006-01-19 Jan Hubicka <jh@suse.cz>
13055 H.J. Lu <hongjiu.lu@intel.com>
13056 Evandro Menezes <evandro.menezes@amd.com>
13058 * invoke.texi (generic): Document
13060 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
13061 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
13062 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
13063 (x86_use_incdec, x86_pad_returns): New variables
13064 (TARGET_CPU_DEFAULT_generic): New constant
13065 (TARGET_CPU_DEFAULT_NAMES): Add generic.
13066 (enum processor_type): Add generic32 and generic64.
13067 * i386.md (cpu attribute): Add generic32/generic64
13068 (movhi splitter): Behave sanely when both partial_reg_dependency and
13069 partial_reg_stall are set.
13070 (K8 splitters): Enable for generic as well.
13071 * predicates.md (incdec_operand): Use TARGET_INCDEC
13072 (aligned_operand): Avoid memory mismatch stalls.
13073 * athlon.md: Enable for generic64, new patterns for 128bit moves.
13074 * ppro.md: Enable for generic32
13075 * i386.c (generic64_cost, generic32_cost): New.
13076 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
13077 (x86_use_leave): Enable for generic64. (x86_use_sahf,
13078 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
13079 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
13080 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
13081 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
13082 x86_partial_reg_dependency, x86_memory_mismatch_stall,
13083 x86_accumulate_outgoing_args, x86_prologue_using_move,
13084 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
13085 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
13086 Enable for generic.
13087 (x86_use_incdec, x86_pad_returns): New.
13088 (override_options): Add generic32 and generic64, translate "generic"
13089 to generic32/generic64 and "i686" to "generic32", refuse
13090 "generic32"/"generic64" as arch target.
13091 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
13092 (ix86_reorg): Honor PAD_RETURNS.
13094 2006-01-19 Diego Novillo <dnovillo@redhat.com>
13096 * tree-pretty-print.c (dump_generic_node): Handle
13097 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
13098 * cgraph.c (cgraph_expand_queue): Rename from
13099 cgraph_analyze_queue. Update all users.
13100 * cgraphunit.c (cgraph_assemble_pending_functions): Process
13101 cgraph_expand_queue.
13102 (cgraph_expand_all_functions): Likewise.
13103 (cgraph_finalize_pending_functions): Remove. Update callers.
13105 * tree.h (OMP_DIRECTIVE_P): Define.
13106 (OMP_PARALLEL_FN): Define.
13107 (OMP_PARALLEL_DATA_ARG): Define.
13108 (OMP_SECTIONS_SECTIONS): Define.
13109 * tree-pass.h (pass_expand_omp): Declare.
13110 * omp-low.c (struct omp_region): Declare.
13111 (struct omp_context): Remove fields 'parallel_type',
13112 'parallel_start_ix' and 'parallel_start_additional_args'.
13114 (struct omp_for_data): Rename from struct expand_omp_for_data.
13115 (omp_regions): New static variable.
13116 (root_omp_region): New static variable.
13117 (find_omp_clause): Make static.
13118 (is_in_combined_parallel_ctx): Remove.
13119 (is_combined_parallel): New.
13120 (extract_omp_for_data): Move earlier in the file.
13121 (workshare_safe_to_combine_p): New.
13122 (get_ws_args_for): New.
13123 (determine_parallel_type): Move earlier in the file.
13124 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
13126 (omp_copy_decl): Likewise.
13127 (create_omp_child_function): Likewise.
13128 (lookup_omp_region): New.
13129 (dump_omp_region): New.
13130 (debug_omp_region): New.
13131 (debug_all_omp_regions): New.
13132 (new_omp_region): New.
13133 (scan_omp_parallel): If parallel_nesting_level > 1, the
13134 directive is nested within another parallel directive.
13135 Set OMP_PARALLEL_FN.
13136 (scan_omp_for): Do not try to handle combined parallel+for
13138 Remove FIXME comment.
13139 (scan_omp_nested): Remove.
13140 (scan_omp_1): Do not call scan_omp_nested when
13141 parallel_nesting_level is > 1.
13142 Do not change the DECL_CONTEXT of local variables found.
13143 (lookup_decl_in_outer_ctx): New.
13144 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
13145 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
13146 (lower_reduction_clauses): Rename from expand_reduction_clauses.
13147 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
13148 If CTX is nested, lookup VAR in the outer context when
13149 building copy assignment.
13150 (lower_send_clauses): Rename from expand_send_clauses.
13151 If CTX is nested, lookup VAR in the outer context when
13152 building copy assignments.
13153 (lower_send_shared_vars): Rename from expand_send_shared_vars.
13154 If CTX is nested, lookup VAR in the outer context when
13155 building copy assignments.
13156 (expand_parallel_call): Rename from build_parallel_call.
13157 Handle combined parallel+workshare cases.
13158 Re-implement to emit code into the CFG.
13160 (expand_omp_parallel): Re-implement to emit code into the CFG.
13161 Call move_sese_region_to_fn to outline the sub-graph
13162 containing the parallel region.
13163 (expand_omp_for_1): Remove.
13164 (expand_omp_for_generic): Re-implement to emit code into the
13166 (expand_omp_for_static_nochunk): Likewise.
13167 (expand_omp_for_static_chunk): Likewise.
13168 (expand_omp_for): Likewise.
13169 (expand_omp_sections): Likewise.
13170 (remove_exit_barriers): New.
13171 (expand_omp_synch): New.
13173 (build_omp_regions_1): New.
13174 (build_omp_regions): New.
13175 (execute_expand_omp): New.
13176 (gate_expand_omp): New.
13177 (pass_expand_omp): Define.
13178 (lower_omp_sections): Rename from expand_omp_sections.
13179 Set OMP_SECTIONS_SECTIONS.
13180 (lower_omp_single_simple): Rename from expand_omp_single_simple.
13181 (lower_omp_single_copy): Rename from expand_omp_single_copy.
13182 (lower_omp_single): Rename from expand_omp_simple.
13183 (lower_omp_master): Rename from expand_omp_master.
13184 (lower_omp_ordered): Rename from expand_omp_ordered.
13185 (lower_omp_critical): Rename from expand_omp_critical.
13186 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
13187 (lower_omp_for): Re-implement.
13188 (lower_omp_parallel): Re-implement.
13189 (lower_regimplify): Rename from expand_regimplify.
13190 (lower_omp_1): Rename from expand_omp_1.
13191 If there are syntax errors in the program, replace every
13192 OpenMP directive with NOP.
13193 Call lower_omp_* instead of expand_omp_*.
13194 (lower_omp): Rename from expand_omp.
13196 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
13197 * tree-gimple.h (enum omp_parallel_type): Remove.
13198 (gimple_boolify): Declare extern.
13199 (find_omp_clause, determine_parallel_type): Remove.
13201 * gimple-low.c (lower_omp_directive): New.
13202 (lower_stmt): Call it.
13203 (record_vars_into): Move from ...
13204 (record_vars): ... here.
13205 Call record_vars_into with current_function_decl.
13207 * gimplify.c (struct gimplify_ctx): Remove fields
13208 combined_pre_p and combined_ctxp. Update users.
13209 (get_formal_tmp_var): Add documentation.
13210 (gimple_boolify): Make extern.
13211 (gimplify_expr_in_ctx): Remove. Update callers.
13212 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
13213 will always be a BIND_EXPR.
13214 (gimplify_expr): Handle OMP_RETURN_EXPR.
13215 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
13216 (OMP_PARALLEL): Add 3 operands.
13217 (OMP_SECTIONS): Add 1 operand.
13218 (OMP_RETURN_EXPR): Define.
13220 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
13221 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
13222 * tree-iterator.c (alloc_stmt_list): Assert that we are not
13223 creating a circular free list.
13224 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
13226 * tree-flow.h (move_sese_region_to_fn): Declare.
13227 (record_vars_into): Declare.
13228 * tree-cfg.c (make_omp_sections_edges): New.
13229 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
13230 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
13231 OMP_SECTIONS and OMP_SECTION.
13232 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
13233 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
13234 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
13235 (gather_blocks_in_sese_region): New.
13236 (struct move_stmt_d): Declare.
13237 (move_stmt_r): New.
13238 (move_block_to_fn): New.
13239 (move_sese_region_to_fn): New.
13241 * passes.c (init_optimization_passes): Schedule
13242 pass_expand_omp after pass_init_datastructures.
13244 * tree-ssa-operands.c (get_expr_operands): Handle
13245 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
13246 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
13248 2006-01-19 Jeff Law <law@redhat.com>
13250 * tree-vrp.c (extract_range_from_assert): Refine the result range
13251 if the variable referenced by the ASSERT_EXPR has a range and
13252 either the tentative result range or the previous range is a
13255 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13257 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
13259 2006-01-19 Jan Hubicka <jh@suse.cz>
13261 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
13263 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
13265 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
13266 (expand_compound_operation, expand_field_assignment): Fail if the
13267 bit lengths of an extract operation are out of range.
13268 (make_extraction): Compute wanted_inner_mode based on the position
13269 and length of the extraction. Make it extraction_mode for non-constant
13270 positions, and do not modify offset in that case. When generating a
13271 new MEM, use a mode that can hold the extraction while keeping correct
13272 alignment. Remove code that supported MEMs wrapped by USEs.
13273 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
13275 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
13277 * config/s390/s390.md ("Y", "y"): New mode attribute.
13278 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
13279 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
13280 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
13281 "*addsi3_imm_cc", "*addsi3_carry1_cc",
13282 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
13283 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
13284 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
13285 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
13286 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
13287 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
13288 "addsi3", "subsi3"): Insn patterns removed.
13289 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
13290 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
13291 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
13292 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
13293 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
13294 "*sub<mode>3_cconly2"): New insn patterns.
13295 ("addsi3", "subsi3"): New expanders.
13297 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
13299 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
13300 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
13301 existing STMT_VINFO_VECTYPE if available.
13302 (vect_mark_relevant): Add special handling for stmts that are
13303 marked as STMT_VINFO_IN_PATTERN_P.
13304 (vect_analyze_loop): Call vect_pattern_recog.
13305 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
13306 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
13308 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
13309 (vect_recog_func_ptr): New function-pointer type.
13310 * tree-vect-patterns.c: New file.
13311 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
13312 (vect_recog_dot_prod_pattern, vect_pattern_recog):
13313 (vect_pattern_recog_1): New functions.
13314 (vect_pattern_recog_funcs): New array of function pointers.
13316 * tree-vectorizer.h (ternary_op): New enum value.
13317 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
13318 declaration. Revised documentation. Removed redundant dump prints.
13319 Removed redundant argument. Added support for reduction patterns.
13320 (vectorizable_reduction): Added support for reduction patterns.
13321 (vect_transform_stmt): Added support for patterns.
13323 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
13324 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
13325 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
13326 (expand_widen_pattern_expr): New function.
13327 (init_optabs): Initialize new optabs udot_prod_optab,
13329 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
13330 (sdot_prod_optab, udot_prod_optab): Define new optabs.
13331 (expand_widen_pattern_expr): New function declaration.
13332 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
13334 * tree-inline.c (estimate_num_insns_1): Added cases for new
13335 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13336 * tree-pretty-print.c (dump_generic_node): Likewise.
13337 (op_prio): Likewise.
13338 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13339 * tree-ssa-operands.c (get_expr_operands): Added case for
13341 * tree-vect-patterns.c (widened_name_p): New function.
13342 (vect_recog_dot_prod_pattern): Added function implementation.
13343 * tree-vect-transform.c (get_initial_def_for_reduction): Added
13344 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
13345 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
13346 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
13348 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
13349 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
13350 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
13351 (init_optabs): Initialize new optabs widen_ssum_optab,
13353 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
13354 (widen_ssum_optab, widen_usum_optab): Define new optabs.
13355 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
13356 use instead of type of def.
13357 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
13358 function implementation.
13359 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
13360 widen_ssumv8hi): New.
13362 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
13365 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13368 * c-decl.c (add_flexible_array_elts_to_size): New function.
13369 (finish_decl): Use it.
13371 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
13373 * diagnostic.h: Include options.h.
13374 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
13375 dependancies for diagnostic.h.
13376 * Makefile.in (DIAGNOSTIC_H): Add options.h.
13378 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
13380 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
13381 (ssa_ro_call_cache_valid): Ditto.
13382 * tree-ssa-alias.c (sort_tags_by_id): New function.
13383 (init_transitive_clobber_worklist): Ditto.
13384 (add_to_worklist): Ditto.
13385 (mark_aliases_call_clobbered): Ditto.
13386 (compute_tag_properties): Ditto.
13387 (set_initial_properties): Ditto.
13388 (compute_call_clobbered): Ditto.
13389 (compute_may_aliases): Call compute_call_clobbered and grouping.
13390 (compute_flow_sensitive_aliasing): Remove clobbering related code.
13391 (compute_flow_insensitive_aliasing): Grouping now happens in our
13393 (setup_pointers_and_addressables): Remove clobbering related code.
13394 (add_may_alias): Ditto.
13395 (replace_may_alias): Ditto.
13396 (get_nmt_for): Ditto.
13397 (create_global_var):
13398 (is_escape_site): Return an escape_type enumeration.
13399 * tree-flow-inline.h (is_call_clobbered): Global var does not
13400 imply call clobbered.
13401 (mark_call_clobbered): Take a reason for marking this. Remove
13402 marking of globalness, and cache invalidation.
13403 (clear_call_clobbered): Remove cache invalidation code.
13404 * tree-dfa.c (dump_variable): If details is on, dump the reason
13406 * tree-outof-ssa.c (create_temp): Copy escape mask from original
13408 * tree-flow.h (struct ptr_info_def): Add escape mask member.
13409 (struct var_ann_d): Ditto.
13410 (enum escape_type): New.
13411 (mark_call_clobbered): Adjust prototype.
13412 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
13413 are never call clobbered.
13414 Record reasons for escaping.
13415 * tree-ssa-structalias.h (is_escape_site): Update prototype.
13416 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
13417 (ssa_ro_call_cache_valid): Ditto.
13418 (clobbered_v_may_defs): Ditto.
13419 (clobbered_vuses): Ditto.
13420 (ro_call_vuses): Ditto.
13421 (clobber_stats): New.
13422 (init_ssa_operands): Zero out clobber stats.
13423 (fini_ssa_operands): Print out clobber stats.
13424 (get_call_expr_operands): Pass callee fndecl to
13425 add_call_read_ops).
13426 (add_call_clobber_ops): Remove use of cache.
13427 Add use of PURE_CONST information.
13428 (add_call_read_ops): Remove use of cache.
13429 Add use of static not_read information.
13431 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
13433 Introduce TLS descriptors for i386 and x86_64.
13434 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
13435 (TARGET_ANY_GNU_TLS): New macro.
13436 (enum tls_dialect): Added TLS_DIALECT_GNU2.
13437 (struct machine_function): Add tls_descriptor_call_expanded_p.
13438 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
13439 (ix86_current_function_calls_tls_descriptor): Likewise.
13440 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
13441 (override_options): Introduce gnu2 tls dialect.
13442 (ix86_frame_pointer_required): Functions containing TLSCALLs are
13444 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
13446 (legitimize_tls_address): Adjust logic for GNU2 TLS.
13447 (ix86_init_machine_status): Initialize new field.
13448 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
13449 (ix86_tls_module_base): New.
13450 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
13451 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
13452 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
13453 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
13454 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
13455 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
13456 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
13457 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
13458 * config/i386/predicates.md (tls_modbase_operand): New.
13459 (tp_or_register_operand): New.
13461 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
13463 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
13464 (look_for_address_of): Ditto.
13465 (ipa_init): Walk the function decls.
13466 (static_execute): Don't set readonly on FUNCTION_DECL's.
13468 2006-01-18 Roger Sayle <roger@eyesopen.com>
13470 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
13471 for shifts where the source and destination registers are different.
13473 2006-01-18 Paul Brook <paul@codesourcery.com>
13475 Merge from csl-arm-branch.
13476 2005-03-14 Julian Brown <julian@codesourcery.com>
13477 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
13478 (aeabi_llsl): Likewise.
13479 (ashrdi3): Likewise.
13480 (aeabi_lasr): Likewise.
13481 (lshrdi3): Likewise.
13482 (aeabi_llsr): Likewise.
13483 2005-03-10 Julian Brown <julian@codesourcery.com>
13484 * config.gcc: Disable shared libgcc for SymbianOS.
13485 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
13487 2006-01-18 DJ Delorie <dj@redhat.com>
13489 * c-pragma.c (handle_pragma_diagnostic): New.
13490 (init_pragma): Register it.
13491 * doc/extend.texi: Document it.
13493 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
13494 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
13495 (diagnostic_context): Add classify_diagnostic[].
13496 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
13497 as errors if they're overridden to DK_WARNING.
13498 (diagnostic_initialize): Initialize classify_diagnostic[].
13499 (diagnostic_set_kind_override): New.
13500 (diagnostic_report_diagnostic): Check for kind changes.
13501 * opts.c (common_handle_option): Take lang_mask. Update callers.
13502 Handle OPT_Werror_.
13503 * common.opt (Werror=): New.
13504 * doc/invoke.texi: Document -Werror=*
13506 2006-01-18 Jeff Law <law@redhat.com>
13508 * tree-vrp.c (test_for_singularity): Correct test for new
13509 min limit. Use operand_equal_p rather than pointer equality
13510 for testing if new min/max values are equal.
13512 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
13513 using range information until after propagation and folding.
13515 2006-01-18 Richard Henderson <rth@redhat.com>
13516 Aldy Hernandez <aldyh@redhat.com>
13517 Jakub Jelinek <jakub@redhat.com>
13518 Diego Novillo <dnovillo@redhat.com>
13520 * omp-low.c: New file.
13521 * c-omp.c: New file.
13523 2006-01-18 Richard Henderson <rth@redhat.com>
13524 Jakub Jelinek <jakub@redhat.com>
13525 Diego Novillo <dnovillo@redhat.com>
13527 * doc/invoke.texi: Document -fopenmp.
13528 * tree-dump.h (debug_function): Declare.
13529 * hooks.c (hook_bool_tree_bool_false): New function.
13530 (hook_tree_tree_null): Remove.
13531 (hook_tree_tree_tree_null): New.
13532 * hooks.h: Update to match.
13533 * tree-pretty-print.c (debug_tree_chain): New.
13534 (print_generic_expr): Handle TDF_CHAIN.
13535 (dump_generic_node): Handle BLOCK.
13536 Do not abort with incomplete SWITCH_EXPRs.
13537 Do not dump body of an OpenMP directive if TDF_SLIM is given.
13538 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
13539 print space after directive name.
13540 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
13541 Handle OMP_MASTER and OMP_ORDERED.
13542 Handle printing of OMP_BODY just in one place, goto
13543 dump_omp_body in the rest of OMP_* nodes that have
13545 Don't handle clause nodes here. Update omp statements to
13546 use dump_omp_clauses.
13547 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
13548 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
13549 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
13550 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
13551 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
13552 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
13553 Adjust output for GOMP_PARALLEL.
13554 (dump_omp_clauses): New.
13555 (print_declaration): Dump DECL_VALUE_EXPR.
13556 (op_symbol_1): Split out of op_symbol.
13557 (dumping_stmts): Remove. Update all users.
13558 * cgraph.c (cgraph_analyze_queue): New.
13559 (cgraph_add_new_function): New.
13560 * cgraph.h (cgraph_analyze_queue): Declare.
13561 (cgraph_add_new_function): Declare.
13562 (cgraph_lower_function): Remove.
13563 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
13564 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
13565 and TYPE_P nodes in its default clause.
13566 (empty_body_p): New.
13567 (tree_range_check_failed): New.
13568 (build5_stat): New.
13569 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
13570 OMP_CLAUSE_REDUCTION_MERGE,
13571 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
13572 OMP_CLAUSE_PRIVATE_DEBUG,
13573 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
13574 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
13575 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
13576 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
13577 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
13578 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
13579 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
13580 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
13581 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
13582 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
13583 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
13584 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
13585 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
13586 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
13587 (TREE_RANGE_CHECK): New.
13588 (empty_body_p): Declare.
13589 (enum omp_clause_default_kind): New.
13590 (build_string_literal): Declare.
13591 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
13592 (build5_stat, build5): Declare.
13593 * tree-pass.h (TDF_CHAIN): Define.
13594 * tree-pass.h (PROP_gimple_lomp): Define.
13595 (pass_lower_omp): Declare.
13596 * diagnostic.h (debug_tree_chain): Declare.
13597 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
13599 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
13600 * builtins.c (build_string_literal): Make extern.
13601 * gcc.c (include_spec_function): New.
13602 (static_spec_functions): Add it.
13603 (main): Move load of libgomp.spec ...
13604 (LINK_COMMAND_SPEC): ... here.
13605 (link_gomp_spec): New.
13606 (static_specs): Include it.
13607 (LINK_COMMAND_SPEC): Add link_gomp.
13608 (GOMP_SELF_SPECS): New.
13609 (driver_self_specs): Include it.
13610 (switch_matches): Don't mark inline.
13611 (main): Load libgomp.spec.
13612 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
13613 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
13614 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
13615 * tree-gimple.h (enum omp_parallel): Declare.
13616 (determine_parallel_type): Declare.
13617 (omp_firstprivatize_variable): Declare.
13618 (omp_reduction_init): Declare.
13619 (diagnose_omp_structured_block_errors): Declare.
13620 (struct walk_stmt_info): Add want_return_expr.
13621 (struct walk_stmt_info): Add want_bind_expr, want_locations.
13622 (find_omp_clause): Declare.
13623 (insert_field_into_struct): Declare.
13624 (struct walk_stmt_info): Move from tree-nested.c
13625 (walk_stmts): Declare.
13626 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
13628 * cgraphunit.c (cgraph_lower_function): Make static.
13629 (cgraph_finalize_pending_functions): New.
13630 (cgraph_finalize_function): Call it.
13631 (cgraph_finalize_compilation_unit): Likewise.
13632 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
13633 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
13634 (BT_FN_UINT_UINT): New.
13635 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
13636 DEF_FUNCTION_TYPE_VAR_4): Document.
13637 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
13638 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
13639 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
13640 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
13641 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
13642 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
13643 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
13644 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
13645 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
13646 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
13647 into separate files.
13648 (DEF_GOMP_BUILTIN): New.
13649 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
13650 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
13651 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
13652 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
13653 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
13654 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
13655 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
13656 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
13657 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
13658 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
13659 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
13660 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
13661 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
13662 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
13663 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
13664 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
13665 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
13666 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
13667 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
13668 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
13669 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
13670 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
13671 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
13672 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
13673 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
13674 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
13675 * sync-builtins.def: New file, moved from builtins.def.
13676 * omp-builtins.def: New file, moved from builtins.def.
13677 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
13678 * gimple-low.c (lower_function_body): Clear data.
13679 (lower_stmt): Do not handle COMPOUND_EXPR.
13680 Remove call to print_node_brief.
13681 * c-tree.h (c_finish_omp_clauses): New prototype.
13682 (C_DECL_THREADPRIVATE_P): Define.
13683 (lookup_name_no_remap, c_omp_remap_private): Remove
13684 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
13685 (check_for_loop_decls): Update decl.
13686 (lookup_name_no_remap, c_omp_remap_private): Declare.
13687 (build_indirect_ref, build_modify_expr, pushdecl,
13688 pushdecl_top_level): Move to c-common.h.
13689 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
13690 before the switch, but just in the 2 places that need it.
13691 * c-decl.c (diagnose_mismatched_decls): Do not check for
13692 mismatched thread-local attributes when OLDDECL is marked
13693 threadprivate and NEWDECL has no thread-local attributes.
13694 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
13695 (c_gimple_diagnostics_recursively): Rename from
13696 c_warn_unused_result_recursively. Invoke
13697 diagnose_omp_structured_block_errors.
13698 (check_for_loop_decls): Return a singular decl found.
13699 * langhooks.c (lhd_omp_predetermined_sharing): Return
13700 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
13701 (lhd_omp_firstprivatize_type_sizes): New.
13702 (lhd_omp_assignment): New.
13703 (lhd_omp_predetermined_sharing): New.
13704 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
13705 (struct lang_hooks_for_types): Add
13706 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
13707 omp_predetermined_sharing, omp_disregard_value_expr,
13708 omp_private_debug_clause, omp_clause_default_ctor,
13709 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
13710 (c_finish_omp_clauses): New.
13711 (c_finish_bc_stmt): Diagnose break within omp for.
13712 (c_begin_omp_parallel, c_finish_omp_parallel): New.
13713 (build_unary_op): Return error_mark after reporting
13715 (build_modify_expr): Likewise.
13716 * gimplify.c: Include optabs.h and pointer-set.h.
13717 (enum gimplify_omp_var_data): Declare.
13718 (struct gimplify_omp_ctx): Declare.
13719 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
13721 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
13722 (push_gimplify_context, pop_gimplify_context): Allow nesting.
13723 (splay_tree_compare_decl_uid): New.
13724 (new_omp_context): New.
13725 (delete_omp_context): New.
13726 (gimple_add_tmp_var): Call omp_add_variable.
13727 (gimplify_bind_expr): Likewise.
13728 (gimplify_var_or_parm_decl): If omp_notice_variable returned
13729 true, disregard DECL_VALUE_EXPR on the decl if any.
13730 (gimplify_expr_in_ctx): New.
13731 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
13732 omp_add_variable, omp_notice_variable, omp_is_private
13733 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
13734 gimplify_adjust_omp_clauses, gimplify_omp_parallel
13735 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
13736 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
13737 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
13738 gimplify_omp_atomic): New.
13739 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13740 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13741 OMP_CRITICAL and OMP_ATOMIC.
13742 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
13743 * c-pragma.h (enum pragma_kind): Add
13744 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
13745 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
13746 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
13747 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
13748 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
13749 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
13750 PRAGMA_OMP_THREADPRIVATE.
13751 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13752 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13753 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
13754 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
13755 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
13756 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
13757 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
13758 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
13759 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
13760 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
13761 * tree-ssa-dce.c (find_control_dependence): Do not assume that
13762 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
13763 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
13765 (struct nesting_info): Add field_map,
13766 suppress_expansion, debug_var_chain.
13767 (create_nesting_tree): Initialize them.
13768 (lookup_field_for_decl): Use field_map.
13769 (get_nonlocal_debug_decl, get_local_debug_decl): New.
13770 (convert_local_omp_clauses): New.
13771 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
13772 (walk_body): Split out of walk_function.
13773 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
13774 (convert_nonlocal_reference): Handle omp statements.
13775 (convert_local_reference): Likewise.
13776 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
13777 (unnest_nesting_tree): New.
13778 (lower_nested_functions): Call it.
13779 (insert_field_into_struct): Make extern.
13780 (struct walk_stmt_info): Move to tree-gimple.h.
13781 (walk_stmts): Make extern.
13782 * omp-builtins.def: New file.
13783 * tree-iterator.c (expr_only): Clarify comment.
13784 * c-common.h (pushdecl_top_level, pushdecl,
13785 build_modify_expr, build_indirect_ref,
13786 c_finish_omp_master, c_finish_omp_critical,
13787 c_finish_omp_ordered, c_finish_omp_barrier,
13788 c_finish_omp_atomic, c_finish_omp_flush,
13789 c_finish_omp_for, c_split_parallel_clauses,
13790 omp_clause_default_kind, c_omp_sharing_predetermined,
13791 c_omp_remap_decl): Declare.
13792 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
13793 (OBJS-common): Add omp-low.o.
13794 (c-omp.o, omp-low.o): Add.
13795 (gimplify.o): Add dependency on $(OPTABS_H).
13796 (GTFILES): Add omp-low.c.
13797 (gt-stringpool.h): Add.
13798 * tree-cfg.c (set_bb_for_stmt): Do not update the
13799 block-to-labels map if we are currently expanding to RTL.
13800 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
13802 Handle IDENTIFIER_NODE.
13803 (tree_verify_flow_info): Do not ICE when emitting error
13804 messages about invalid labels.
13805 (dump_function_to_file): Reset CFUN before emitting the body
13807 (debug_function): New.
13808 * passes.c (init_optimization_passes): Schedule
13810 * langhooks-def.h (lhd_omp_predetermined_sharing,
13811 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
13813 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
13814 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
13815 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
13816 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
13817 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
13818 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
13819 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
13820 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
13821 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
13822 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
13823 (LANG_HOOK_DECLS): Use them.
13825 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
13826 Richard Henderson <rth@redhat.com>
13827 Jakub Jelinek <jakub@redhat.com>
13828 Diego Novillo <dnovillo@redhat.com>
13830 * c-parser.c (pragma_omp_clause): Define.
13831 (c_parser_declaration_or_fndef): Document OpenMP syntax.
13832 (c_parser_compound_statement): Likewise.
13833 (c_parser_statement): Likewise.
13834 (c_parser_pragma): Handle omp pragmas.
13835 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
13836 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
13837 (c_parser_omp_clause_name, check_no_duplicate_clause,
13838 c_parser_omp_variable_list,
13839 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
13840 c_parser_omp_clause_copyprivate,
13841 c_parser_omp_clause_default,
13842 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
13843 c_parser_omp_clause_lastprivate,
13844 c_parser_omp_clause_nowait,
13845 c_parser_omp_clause_num_threads,
13846 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
13847 c_parser_omp_clause_reduction,
13848 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
13849 c_parser_omp_all_clauses, c_parser_omp_structured_block,
13850 c_parser_omp_atomic, c_parser_omp_barrier,
13851 c_parser_omp_critical, c_parser_omp_flush,
13852 c_parser_omp_for_loop, c_parser_omp_for,
13853 c_parser_omp_master, c_parser_omp_ordered,
13854 c_parser_omp_sections_scope, c_parser_omp_sections,
13855 c_parser_omp_parallel, c_parser_omp_single,
13856 c_parser_omp_construct, c_parser_omp_threadprivate): New.
13857 * c-pragma.c (init_pragma): Do omp pragma registration here.
13858 * c.opt (fopenmp): New flag.
13860 2006-01-18 Eric Christopher <echristo@apple.com>
13862 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
13863 * config/darwin.h (GOMP_SELF_SPECS): Define.
13865 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13867 * rtl.h: Remove the prototype for reg_alloc.
13869 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13872 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
13873 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
13874 sjlj and dwarf2 exception handling.
13875 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
13876 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
13877 * pa/pa.c (function_value): Treat complex and vector types as
13879 (function_arg): Likewise. Only pass scalar floats in the floating
13880 point argument registers.
13881 * pa/t-slibgcc-dwarf-ver: New file.
13882 * pa/t-slibgcc-sjlj-ver: New file.
13883 * pa/t-slibgcc-elf-ver: Delete file.
13885 2006-01-19 Alan Modra <amodra@bigpond.net.au>
13887 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
13888 unlikely_test_section_p test.
13890 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13892 * mode-switching.c (optimize_mode_switching): Make it static.
13893 * basic-block.h: Remove the prototype for
13894 optimize_mode_switching.
13896 * modulo-sched.c (sms_schedule): Make it static.
13897 * rtl.h: Remove the prototype for sms_schedule.
13899 * postreload-gcse.c (gcse_after_reload_main): Make it static.
13900 * rtl.h: Remove the prototype for gcse_after_reload_main.
13902 * reg-stack.c (reg_to_stack): Make it static.
13903 * rtl.h: Remove the prototype for reg_to_stack.
13905 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
13907 * rtl.h: Remove the prototypes for regrename_optimize and
13908 copyprop_hardreg_forward.
13910 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
13912 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
13913 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
13914 Test against the appropriate null constant for the mode.
13915 If 'fixup_overlap' is true, swap the operands if they overlap.
13916 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
13917 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
13918 alpha_split_tmode_pair and adjust for above change.
13919 * config/alpha/alpha.md (movtf_internal): Adjust call to
13920 alpha_split_tfmode_pair and rely on it to swap the operands.
13921 (movti_internal): New insn and post-reload splitter.
13922 (movti): New expander.
13924 2006-01-18 Philippe De Muyter <phdm@macqel.be>
13926 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
13929 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13931 * rtlanal.c (global_reg_mentioned_p_1,
13932 global_reg_mentioned_p): Remove.
13933 * rtl.h: Remove the prototype for global_reg_mentioned_p.
13935 * flow.c (initialize_uninitialized_subregs): Make it static.
13936 * rtl.h: Remove the prototype for
13937 initialize_uninitialized_subregs.
13939 * function.c (instantiate_virtual_regs): Make it static.
13940 * function.h: Remove the prototype for
13941 instantiate_virtual_regs.
13943 * regmove.c (regmove_optimize, combine_stack_adjustments):
13945 * rtl.h: Remove the prototypes for regmove_optimize and
13946 combine_stack_adjustments.
13948 2006-01-17 Roger Sayle <roger@eyesopen.com>
13950 * config/i386/i386.c (COSTS_N_BYTES): New macro.
13951 (size_cost): Encode costs in bytes so that a reg-reg addition is
13952 equivalent to COSTS_N_INSNS(1).
13953 (override_options): Use the size_cost.branch_cost as the default
13954 ix86_branch_cost when optimizing for size.
13956 2006-01-18 Ben Elliston <bje@au.ibm.com>
13958 * Makefile.in (D32PBIT_FUNCS): New.
13959 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
13960 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
13961 D64PBIT_FUNCS and D128PBIT_FUNCS.
13962 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
13963 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
13965 (decnumber_dep): Define.
13966 * doc/libgcc.texi (Decimal float library routines): New node.
13967 * config/dfp-bit.h, config/dfp-bit.c: New files.
13969 2006-01-18 Ben Elliston <bje@au.ibm.com>
13971 * expr.c (emit_move_change_mode): Always adjust addresses, not
13972 just during reload. Copy replacements only during reload.
13973 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
13974 emit_move_via_integer.
13976 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
13978 * Makefile.in (check-%, check-consistency): Use $${srcdir}
13979 instead of $(srcdir) and ${srcdir}.
13981 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
13984 PR middle-end/11135
13985 * arm.h (struct machine_function): Add pic_reg.
13986 * arm.c (arm_pic_register): Make unsigned.
13987 (arm_override_options): Only set arm_pic_register if
13988 TARGET_SINGLE_PIC_BASE.
13989 (use_return_insn): Only test for a pic register if it is fixed.
13990 (arm_compute_save_reg0_reg12_mask): Likewise.
13991 (thumb_compute_save_reg_mask): Likewise.
13992 (legitimate_pic_operand): Factor out some known invariants.
13993 (legitimize_pic_address): If we don't have a fixed pic register,
13994 then set up a pseudo in the function entry sequence. Handle the
13995 pic base being in a pseudo.
13996 (arm_load_pic_register): Handle the pic register being in a pseudo.
13997 (arm_expand_prologue): Only set up the pic register if it is fixed.
13998 (thumb_expand_prologue): Likewise.
13999 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
14000 (pic_load_addr_based_insn): Likewise.
14001 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
14004 2006-01-18 Ben Elliston <bje@au.ibm.com>
14006 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
14007 decimal float modes for all floating point registers.
14009 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
14010 match_code "mem" with match_test "macho_lo_sum_memory_operand".
14012 2006-01-17 Jakub Jelinek <jakub@redhat.com>
14015 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
14016 even when the pointer is not NULL.
14018 2006-01-16 Ian Lance Taylor <ian@airs.com>
14020 * common.opt (ftoplevel-reorder): New option.
14021 * cgraph.c (cgraph_asm_nodes): New global variable.
14022 (cgraph_asm_last_node): New static variable.
14023 (cgraph_order): New global variable.
14024 (cgraph_create_node): Set new order field.
14025 (cgraph_varpool_node): Likewise.
14026 (decide_is_variable_needed): Return true if not
14027 flag_toplevel_reorder.
14028 (cgraph_add_asm_node): New function.
14029 * cgraph.h (struct cgraph_node): Add order field.
14030 (struct cgraph_varpool_node): Add order field.
14031 (struct cgraph_asm_node): Define.
14032 (cgraph_asm_nodes, cgraph_order): Declare.
14033 (cgraph_add_asm_node): Declare.
14034 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
14036 (cgraph_varpool_assemble_pending_decls): Call it.
14037 (cgraph_output_pending_asms): New static function.
14038 (cgraph_finalize_compilation_unit): Call it.
14039 (struct cgraph_order_sort): Define.
14040 (cgraph_output_in_order): New static function.
14041 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
14042 !flag_toplevel_reorder case.
14043 * c-parser.c: Include "cgraph.h".
14044 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
14046 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
14047 than -fno-unit-at-a-time.
14048 * doc/invoke.texi (Option Summary): Mention
14049 -fno-toplevel-reorder.
14050 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
14051 -funit-at-a-time documentation.
14053 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
14054 Kazu Hirata <kazu@codesourcery.com>
14056 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
14058 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
14060 * Makefile.in (FUNCTION_H): New. Use it instead of
14061 function.h throughout the file.
14062 * function.h: Include tree.h.
14064 2006-01-17 Ben Elliston <bje@au.ibm.com>
14066 * recog.c: Separate some functions with whitespace.
14068 2006-01-16 Richard Henderson <rth@redhat.com>
14070 Merge from gomp branch:
14071 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
14072 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
14073 and rename from struct inline_data. Rename callee* to dst*;
14074 caller* to src*; add copy_decl hook, transform_call_graph_edges,
14075 transform_new_cfg, transform_return_to_modify, and
14076 transform_lang_insert_block flags; remove cloning_p, versioning_p,
14078 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
14079 (copy_decl_for_dup): Remove.
14080 * tree-inline.c (struct inline_data): Move to header.
14081 (insert_decl_map): Export.
14082 (remap_decl): Update for member name changes. Use copy_decl hook.
14083 Allow for replacement to be a non-decl. Remove dead code.
14084 (remap_type_1): Check for existing mapping.
14085 (remap_type): Export.
14086 (remap_decls): Update for member name changes.
14087 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
14088 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
14089 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
14090 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
14091 (tree_function_versioning, build_duplicate_type): Likewise.
14092 (copy_body_r): Likewise. Export.
14093 (copy_decl_for_dup): Split into ...
14094 (copy_decl_for_dup_finish, copy_decl_to_var,
14095 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
14096 (replace_ref_tree, inlining_p): Remove.
14098 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14100 * ifcvt.c (if_convert): Make it static.
14101 * rtl.h: Remove the prototype for if_convert.
14103 * local-alloc.c (local_alloc): Make it static.
14104 * rtl.h: Remove the prototype for local_alloc.
14106 * loop.c (loop_optimize): Make it static.
14107 * cfgloop.h: Remove the prototype for loop_optimize.
14110 2006-01-16 DJ Delorie <dj@redhat.com>
14112 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
14115 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14117 * pa.md: Disparage copies between general and floating-point registers
14118 in 32-bit move patterns.
14120 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
14123 * Makefile.in (check-%): Depend on site.exp instead of
14124 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
14127 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14129 * global.c (global_alloc): Make it static.
14130 * rtl.h: Remove the prototype for global_alloc.
14132 2006-01-16 Richard Guenther <rguenther@suse.de>
14134 * tree-ssa-alias.c (struct used_part): Add write_only field.
14135 (get_or_create_used_part_for): Initialize it to true.
14136 (create_overlap_variables_for): Don't create structure variables
14137 for structures that only are written to.
14138 (find_used_portions): Handle MODIFY_EXPR to track whether a
14139 structure is only written to.
14141 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14143 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
14145 * basic-block.h: Remove the prototype for
14146 partition_hot_cold_basic_blocks.
14148 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
14150 * cppspec.c (lang_specific_spec_functions): Remove.
14151 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
14152 * gcc.h (lang_specific_spec_functions): Remove.
14153 * gccspec.c (lang_specific_spec_functions): Remove.
14155 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
14157 * combine.c (record_value_for_reg): Invalidate registers
14159 (record_dead_and_set_regs_1): Likewise, by passing them to
14160 record_value_for_reg.
14161 (record_dead_and_set_regs): Invalidate stores made by a
14162 call. We do not combine across a call, but we still
14163 relied on equivalences.
14165 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14167 * tree-vrp.c (extract_range_from_binary_expr): Cope with
14168 vrp_int_const_binop returning non-constant nodes.
14170 2006-01-16 Paul Brook <paul@codesourcery.com>
14172 * config/m68k/m68k.c (output_move_const_into_data_reg):
14173 Output correct mnemonic for mvz and mvs.
14175 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
14177 * rtl-factoring.c: Add sequence abstraction algorithm.
14178 * cfgcleanup.c (outgoing_edges_match): Extra checks.
14179 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
14181 (block_has_preserve_label): New function.
14182 * common.opt: Register new pass.
14183 * Makefile.in: Ditto.
14185 * timevar.def: Ditto.
14186 * tree-pass.h: Ditto.
14187 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
14188 * rtl.h (make_jump_insn_raw): Add forward decl.
14189 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
14191 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14192 Roger Sayle <roger@eyesopen.com>
14194 * fold-const.c (fold_minmax): New static function.
14195 (fold_binary) <MIN_EXPR>: Call it.
14196 <MAX_EXPR>: Likewise.
14197 * stor-layout.c (place_field): Use DECL_SIZE consistently
14198 in the computation of the new record size.
14200 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14202 * cse.c (cse_condition_code_reg): Make it static.
14203 * rtl.h: Remove the prototype for cse_condition_code_reg.
14205 * combine.c (combine_instructions): Make it static.
14206 * rtl.h: Remove the prototype for combine_instructions.
14208 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14211 * tree.c (get_file_function_name_long): Concatenate the first global
14212 object name with a string derived from the input filename of the object
14215 2006-01-16 Ben Elliston <bje@au.ibm.com>
14217 * config/i386/winnt-stubs.c: Update FSF address.
14218 * config/xtensa/ieee754-df.S: Ditto.
14219 * config/xtensa/ieee754-sf.S: Ditto.
14221 2006-01-14 Ian Lance Taylor <ian@airs.com>
14223 * ifcvt.c (noce_init_if_info): New static function, broken out of
14224 noce_process_if_block.
14225 (noce_process_if_block): Call noce_init_if_info.
14226 (check_cond_move_block): New static function.
14227 (cond_move_process_if_block): New static function.
14228 (process_if_block): Call cond_move_process_if_block.
14230 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
14232 * cselib.c (hash_table): Rename to cselib_hash_table.
14233 (cselib_clear_table, discard_useless_values,
14234 remove_useless_values, cselib_lookup_mem, cselib_lookup,
14235 cselib_init, cselib_finish): Adjust uses of hash_table.
14237 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
14239 PR tree-optimization/25485
14240 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
14241 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
14242 is known to be false and true, respectively.
14244 2006-01-14 Richard Guenther <rguenther@suse.de>
14246 PR tree-optimization/22548
14247 PR tree-optimization/22555
14248 PR tree-optimization/22501
14249 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
14250 * params.def (salias-max-array-elements): New parameter.
14251 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
14252 * doc/invoke.texi (salias-max-array-elements): Document.
14253 * tree-flow-inline.h (var_can_have_subvars): We also handle
14255 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
14257 * tree-ssa-structalias.c (params.h): Include.
14258 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
14259 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
14260 (get_constraint_for): For ADDR_EXPR operating on something
14261 containing an ARRAY_REF, add all subvars to the solution.
14262 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
14263 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
14264 for creating MUST_DEFs.
14265 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
14267 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
14269 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
14271 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
14272 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14273 number_of_iterations_le): New functions.
14274 (number_of_iterations_special): Removed.
14275 (number_of_iterations_exit): Do not use number_of_iterations_special.
14276 * tree.c (unsigned_type_for): Always return integer type.
14278 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
14279 Richard Guenther <rguenther@suse.de>
14281 PR rtl-optimization/24257
14282 * gcse.c (find_moveable_store): Only consider a store movable
14283 when the SET_SRC of the insn can be assigned to a register.
14285 2006-01-14 Ian Lance Taylor <ian@airs.com>
14287 * tree.c (tree_not_class_check_failed): New function.
14288 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
14289 (tree_not_class_check_failed): Declare.
14291 2006-01-13 Ian Lance Taylor <ian@airs.com>
14293 * reload1.c (do_output_reload): Add assertion rejecting a
14296 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
14298 * combine.c (struct reg_stat): Add new fields truncation_label and
14300 (record_value_for_reg): Reset truncated_to_mode.
14301 (record_truncated_value): New function.
14302 (check_promoted_subreg): Call it. Rename to check_conversions.
14303 (combine_instructions): Rename check_promoted_subreg to
14305 (reg_truncated_to_mode): New function.
14306 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
14307 (gen_lowpart_or_truncate): New function.
14308 (force_to_mode): Use it instead of gen_lowpart.
14310 2006-01-13 Diego Novillo <dnovillo@redhat.com>
14312 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
14313 VAR is a tag, not its type tag.
14315 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
14317 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
14318 alternatives to match style of other entries.
14319 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
14321 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
14323 PR tree-optimization/25771
14324 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
14327 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
14330 * tree-inline.c (declare_return_variable): If the return variable
14331 was marked as a non gimple complex, set the return slot variable
14332 to be a non gimple comple variable.
14334 2006-01-13 Richard Guenther <rguenther@suse.de>
14336 * builtins.c (expand_builtin_sincos): New function.
14337 (expand_builtin_mathfn_3): Remove dead code, sin and cos
14339 (expand_builtin): Expand sincos using expand_builtin_sincos.
14341 2006-01-12 DJ Delorie <dj@redhat.com>
14343 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
14344 shift counts, separate SI shifts for m32c vs m16c, pass shift type
14345 so that constant shifts can be split.
14346 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
14347 (m32c_valid_pointer_mode): Make static.
14348 (shift_gen_func_for): New.
14349 (m32c_prepare_shift): Use it. Split large const shifts into
14351 * config/m32c/predicates.md (shiftcount_operand): Allow more
14353 (longshiftcount_operand): New.
14354 * doc/md.texi (Machine Constraints): Document In6.
14356 2006-01-13 Ben Elliston <bje@au.ibm.com>
14358 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
14359 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
14362 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
14364 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
14365 to try to avoid clobbering pieces of structures when we know
14366 something about the whole structure.
14367 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
14369 2006-01-13 Ben Elliston <bje@au.ibm.com>
14371 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
14372 return in memory, as this is no limitation is no longer present.
14374 2006-01-12 DJ Delorie <dj@redhat.com>
14376 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
14377 mova with fb, and for fb+0 -> An.
14379 * config/m32c/mov.md (peephole2): Fix enabling logic.
14381 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
14382 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
14383 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
14384 FINI_ARRAY_SECTION_ASM_OP): Define.
14386 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
14388 (m32c_legitimize_reload_address): New logic to reload FB to An.
14389 (m32c_output_reg_push): Add newline.
14390 (m32c_output_reg_pop): Likewise.
14392 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
14394 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
14396 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
14398 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
14400 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14402 * config/sh/predicates.md (sh_rep_vec): Add parallel to
14405 2006-01-11 Ben Elliston <bje@au.ibm.com>
14407 * rtlanal.c (find_reg_note): Assert insn is not null.
14409 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14411 * df-scan.c (df_hard_reg_init): Move declaration of i outside
14414 2006-01-11 Jeff Law <law@redhat.com>
14416 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
14418 (mark_threaded_blocks, register_jump_thread): New functions.
14419 (thread_through_all_blocks): Remove unwanted argument. No
14420 longer rely on e->aux to communicate thread target info.
14421 Call mark_threaded_blocks. Release the threaded_blocks
14422 bitmap and threaded_edges vector when complete.
14423 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
14424 (threaded_blocks): Remove.
14425 (tree_ssa_dominator_optimize): Remove initialization and
14426 finalization of threaded_blocks. Simplify call to
14427 thread_through_all_blocks.
14428 (thread_across_edge): Call register_jump_thread rather than
14429 storing thread information into e->aux.
14430 (free_all_edge_infos): Simplify now that e->aux is no longer
14431 used to communicate with thread_through_all_blocks.
14432 * tree-flow.h (thread_through_all_blocks): Update prototype.
14433 (register_jump_thread): Prototype.
14435 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14437 * df-core.c (df_compact_blocks, df_bb_replace): Use
14438 SET_BASIC_BLOCK instead of BASIC_BLOCK.
14440 2006-01-11 Richard Guenther <rguenther@suse.de>
14442 PR tree-optimization/25734
14443 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
14444 stop propagation after successful propagation to the LHS.
14446 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14448 * basic-block.h (control_flow_graph): Change the type of
14449 x_basic_block_info to VEC(basic_block,gc) *.
14450 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
14452 (SET_BASIC_BLOCK): New.
14453 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
14454 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
14455 * cfgbuild.c (find_basic_blocks): Likewise.
14456 * cfglayout.c (fixup_reorder_chain): Likewise.
14457 * cfgrtl.c (create_basic_block_structure,
14458 rtl_create_basic_block): Likewise.
14459 * ifcvt.c (find_if_case_1): Likewise.
14460 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
14463 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14465 * Makefile.in: Removed rotted odf.c entry.
14467 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
14470 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
14471 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
14472 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
14473 output pattern modifier, not %e.
14474 * config/cris/cris.c (cris_op_str): Update comment about pattern
14476 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
14477 before falling through into...
14478 <case 'E'>: Redefined from old 'e' case.
14480 2006-01-11 Jan Hubicka <jh@suse.cz>
14483 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
14485 2006-01-11 Jan Hubicka <jh@suse.cz>
14487 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
14488 * i386.c (x86_decompose_lea): Kill.
14489 (ix86_rtx_costs): Kill.
14491 2006-01-11 Jan Hubicka <jh@suse.cz>
14493 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
14494 * cgraph.h (cgraph_node): Add inline_decl.
14495 (cgraph_insert_node_to_hashtable): Declare.
14496 (save_inline_function_body): Declare.
14497 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
14499 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
14500 (cgraph_function_versioning): Update call of tree_function_versioning.
14501 (save_inline_function_body): New function.
14502 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
14503 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
14504 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
14505 (cgraph_default_inline_p): Likewise.
14506 (cgraph_decide_inlining_incrementally): Likewise.
14507 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
14508 (copy_bb): Kill saving; do updating of clones.
14509 (copy_cfg_body): Kill saving.
14510 (initialize_inlined-parameters): Likewise.
14511 (expand_call_inline): Likewise.
14513 (tree_function_versioning): New parameter "update_clones".
14514 (inlining_p): Kill saving.
14515 * tree-inline.h (tree_function_versioning): Update prototype.
14516 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
14519 2006-01-11 Ian Lance Taylor <ian@airs.com>
14521 * combine.c (struct undo): Remove is_int. Enumify types of undos.
14522 Allow undoing set of machine mode.
14523 (do_SUBST): Use enums instead of is_int.
14524 (do_SUBST_MODE): New function.
14525 (SUBST_MODE): New macro.
14526 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
14527 reg and trying to replace reg_regno_rtx with a new register.
14528 (undo_all): Use new enums, handle undoing a PUT_MODE change.
14529 (simplify_set): Use SUBST_MODE.
14530 (distribute_notes): Remove code that tried to update reg notes
14531 for regno_reg_rtx changes.
14533 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
14535 PR tree-optimization/23109
14536 PR tree-optimization/23948
14537 PR tree-optimization/24123
14539 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
14540 * tree-cfg.c (single_noncomplex_succ): New.
14541 * tree-flow.h (single_noncomplex_succ): Declare it.
14542 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14543 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14544 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
14545 insert_bb, register_division_in, insert_reciprocals,
14546 replace_reciprocal, free_bb): New.
14547 (execute_cse_reciprocals_1): Rewritten.
14548 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
14549 Do not commit any edge insertion. Always compute dominators and
14550 create the allocation pool.
14551 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
14552 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
14553 * targhooks.c (default_min_divistions_for_recip_mul): New.
14554 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
14555 * passes.c (init_optimization_passes): Run recip after tree loop
14557 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
14559 2006-01-11 Danny Berlin <dberlin@dberlin.org>
14560 Kenneth Zadeck <zadeck@naturalbridge.com>
14562 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
14563 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
14564 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
14565 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
14566 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
14567 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
14568 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
14569 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
14570 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
14571 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
14572 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
14573 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
14574 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
14575 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
14576 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
14577 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
14578 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
14579 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
14580 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
14581 DF_SCAN_POST_ALLOC): New macros.
14582 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
14583 df_free_bb_function, df_local_compute_function, df_init_function,
14584 df_dataflow_function, df_confluence_function_0,
14585 df_confluence_function_n, df_transfer_function,
14586 df_finalizer_function, df_free_function, df_dump_problem_function,
14587 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
14588 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
14589 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
14590 df_urec_bb_info, ) New types.
14591 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
14593 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
14594 df_analyze_simple_change_some_blocks,
14595 df_analyze_simple_change_one_block, df_compact_blocks,
14596 df_bb_replace, df_bb_regno_last_use_find,
14597 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
14598 df_insn_regno_def_p, df_find_def, df_find_use,
14599 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
14600 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
14601 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
14602 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
14603 debug_df_chain, df_get_dependent_problem, df_chain_create,
14604 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
14605 df_grow_bb_info, df_chain_dump, df_print_bb_index,
14606 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
14607 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
14608 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
14609 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
14610 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
14611 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
14612 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
14613 df_ref_remove, df_insn_refs_delete, df_refs_delete,
14614 df_reorganize_refs, df_set_state, df_hard_reg_init,
14615 df_read_modify_subreg_p) New public functions.
14616 * df-core.c: The core dataflow solver and glue routines for rtl
14618 (df_init, df_add_problem, df_set_blocks, df_finish,
14619 df_hybrid_search_forward, df_hybrid_search_backward,
14620 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
14621 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
14622 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
14623 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
14624 df_reg_defined, df_find_use, df_reg_used, df_dump,
14625 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
14626 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
14627 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
14628 debug_df_useno, reset_df_after_reload): New functions.
14629 * df-scan.c: The scanning fuctions, once in df.c, completely
14630 rewritten so that they now fully model the functionality of
14631 register usage at the backend.
14632 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
14633 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
14634 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
14635 df_grow_insn_info, df_rescan_blocks, df_ref_create,
14636 df_get_artificial_defs, df_get_artificial_uses,
14637 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
14638 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
14639 df_refs_delete, df_reorganize_refs, df_set_state,
14640 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
14641 df_def_record_1, df_defs_record, df_uses_record,
14642 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
14643 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
14644 df_record_exit_block_uses, df_hard_reg_init): New functions.
14646 * df-problems.c: Seven concrete dataflow problems that use the
14647 scanning in df-scan.c and are solved by the engine in df-core.c.
14648 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
14649 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
14650 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
14651 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
14652 df_ru_free_bb_info, df_ru_alloc,
14653 df_ru_bb_local_compute_process_def,
14654 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
14655 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
14656 df_ru_transfer_function, df_ru_free, df_ru_dump,
14657 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
14658 df_rd_free_bb_info, df_rd_alloc,
14659 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
14660 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
14661 df_rd_transfer_function, df_rd_free, df_rd_dump,
14662 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
14663 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
14664 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
14665 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
14666 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
14667 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
14668 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
14669 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
14670 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
14671 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
14672 df_urec_mark_reg_change, df_urec_check_earlyclobber,
14673 df_urec_mark_reg_use_for_earlyclobber,
14674 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
14675 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
14676 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
14677 df_urec_dump, df_urec_add_problem, df_chain_alloc,
14678 df_chain_create_bb_process_use, df_chain_create_bb,
14679 df_chain_finalize, df_chain_free, df_chains_dump,
14680 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
14681 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
14682 df_reg_lifetime): New functions.
14683 * df.c: Deleted file.
14684 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
14685 consistent with new df api.
14686 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
14687 rest_of_handle_sms): Ditto.
14688 * web.c (unionfind_union, union_defs, entry_register, web_main):
14690 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
14691 invariant_expr_equal_p, find_defs, check_dependencies,
14692 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
14693 free_inv_motion_data, move_loop_invariants): Ditto.
14694 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
14695 Update dependencies.
14696 (odf.c): Added defective entry that was deleted later in day.
14697 * sched-deps.c (sched_analyze_1): Ditto.
14699 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
14701 * tree-ssa-operands.c (get_expr_operands): Record addressable
14702 variables directly. Do not call add_stmt_operands for CONST_DECLs
14704 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
14705 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
14707 2006-01-11 Ben Elliston <bje@au.ibm.com>
14709 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
14710 function returns true in the positive case.
14712 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14715 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
14716 for SI, DI, SF and DF modes. Add alternatives to copy between
14717 general and floating point registers to the 32-bit patterns.
14718 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
14719 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
14720 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
14721 generating 64-bit code.
14722 * config/pa/pa.c (output_move_double): Handle copies between general
14723 and floating registers.
14725 2006-01-10 Stuart Hastings <stuart@apple.com>
14727 * config/i386/i386.md (set_got): Update.
14728 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
14729 (builtin_setjmp_receiver): Mach-O support.
14730 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
14731 (GOT_SYMBOL_NAME): Define.
14732 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
14733 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
14734 * config/i386/i386.c (override_options): Revise for Darwin.
14735 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
14736 support. (darwin_x86_file_end): New. (output_set_got): Add label
14737 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
14738 * config/i386/i386-protos.h (output_set_got): Likewise.
14739 * config/darwin.c (machopic_legitimize_pic_address): Update
14742 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
14744 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
14745 when MODE isn't BLKmode.
14747 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14749 PR rtl-optimization/25367
14750 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
14752 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
14755 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
14756 for a negative bound.
14758 2006-01-10 Richard Guenther <rguenther@suse.de>
14760 * tree-ssa-structalias.c (get_constraint_for_component_ref):
14761 Never override with anything constraint.
14763 2006-01-10 Jan Beulich <jbeulich@novell.com>
14765 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
14766 256 bits when optimize_size.
14768 2006-01-10 Jan Beulich <jbeulich@novell.com>
14770 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
14772 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
14773 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
14776 2006-01-10 Ben Elliston <bje@au.ibm.com>
14778 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
14780 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
14781 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
14782 (USE_FP_FOR_ARG): Reject decimal float modes.
14783 (function_arg_advance): Likewise.
14784 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
14785 (rs6000_handle_altivec_attribute): Do not permit decimal floating
14786 point types in AltiVec vectors.
14787 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
14788 (rs6000_libcall_value): Likewise.
14790 2006-01-09 Bob Wilson <bob.wilson@acm.org>
14792 * config/xtensa/ieee754-df.S: New file.
14793 * config/xtensa/ieee754-sf.S: New file.
14794 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
14795 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
14796 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
14798 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
14800 * config/sh/predicates.md (binary_float_operator,
14801 binary_logical_operator, commutative_float_operator,
14802 equality_comparison_operator, greater_comparison_operator,
14803 less_comparison_operator, logical_operator,
14804 noncommutative_float_operator, shift_operator,
14805 symbol_ref_operand, unary_float_operator): Remove redundant
14808 2006-01-09 Jeff Law <law@redhat.com>
14810 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
14811 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
14812 now unused arguments. Callers updated.
14813 (eliminate_redundant_computations): Remove now unused arguments,
14815 (local_fold): Remove, no longer used.
14816 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
14818 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
14819 (simplify_cond): New function.
14820 (forward_propagate_into_cond): Call simplify_cond.
14822 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
14824 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
14825 (*vec_extractv2di_1_sse): New.
14827 2006-01-09 Ben Elliston <bje@au.ibm.com>
14829 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
14831 2006-01-08 Richard Guenther <rguenther@suse.de>
14833 * tree-ssa-structalias.c (get_constraint_for): Remove
14834 anyoffset argument.
14835 (get_constraint_for_component_ref): Likewise.
14836 (do_deref): Likewise.
14837 (get_constraint_for): Likewise.
14838 (do_structure_copy): Likewise.
14839 (handle_ptr_arith): Likewise.
14840 (find_func_aliases): Likewise. Remove unused need_anyoffset
14843 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
14844 Kaz Kojima <kkojima@gcc.gnu.org>
14846 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
14847 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
14848 (EXTRA_CONSTRAINT_C16): Remove.
14849 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
14850 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
14851 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
14852 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
14853 constants of SHmedia. Handle nested constant expressions of
14855 (andcosts): Fix the costs for SHmedia constants.
14856 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
14857 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
14858 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
14859 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
14860 (movv4hi_i, movv2si_i): Likewise.
14861 (movsi_const): Adjust the second operand of ior so to match with
14862 the Csu constraint.
14863 (movdi_const, movdi_const_32bit): Likewise.
14864 (movdi_const_16bit+1): Don't sign-extend LOW.
14865 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
14867 (*double_shori): Fix the split condition. Use GEN_INT instead
14868 of get_int_mode calls. Mask lower 16-bit of the argument of
14870 (sym2GOTPLT): Remove.
14871 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
14873 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
14874 instead of EXTRA_CONSTRAINT_C16.
14876 2006-01-07 Ian Lance Taylor <ian@airs.com>
14877 David Edelsohn <edelsohn@gnu.org>
14879 PR rtl-optimization/25662
14880 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
14881 for constant operands instead of simplify_gen_binary.
14882 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
14883 after trying simplify_binary_operation
14885 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
14887 * tree.c (iterative_hash_expr): Hash decls based on UID.
14889 2006-01-06 Eric Christopher <echristo@apple.com>
14891 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
14892 (TARGET_UNWIND_EMIT): Fix spelling.
14893 * target.h (gcc_target): Add except_table_label.
14894 * except.c (output_function_exception_table): Use.
14895 * varasm.c (default_emit_except_table_label): New.
14896 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
14898 (asm_out): Add here.
14899 * output.h (default_emit_except_table_label): Prototype.
14900 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
14901 * config/darwin.c (darwin_emit_except_table_label): Define.
14902 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
14904 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
14906 PR tree-optimization/18527
14907 * tree-ssa-loop-niter.c (number_of_iterations_cond,
14908 number_of_iterations_special, number_of_iterations_exit):
14909 Move base and step of an iv to a single structure. Add
14910 no_overflow flag, and use it in # of iterations analysis.
14911 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
14912 folded_casts argument.
14913 (simple_iv): Pass base and step in a structure. Set no_overflow
14915 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
14916 Evaluate expensiveness of computing # of iterations instead of
14917 the final expression.
14918 * tree-scalar-evolution.h (affine_iv): New structure.
14919 (simple_iv): Declaration changed.
14920 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
14921 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
14922 find_givs_in_stmt): Changed due to simple_iv change.
14924 2006-01-06 Jeff Law <law@redhat.com>
14927 * tree-cfg.c (bsi_replace): Rename final argument from
14928 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
14929 change (stmt -> orig_stmt).
14930 * tree-eh.c (verify_eh_throw_stmt_node): New function.
14931 (bsi_remove): Add new argument. Remove EH information
14933 (verify_eh_throw_table_statements): New function.
14934 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
14936 * tree-optimize.c (execute_free_cfg_annotations): Verify
14937 the EH throw statement table after removing annotations.
14938 * except.h (verify_eh_throw_table_statements): Prototype.
14939 * tree-flow.h (bsi_remove): Update prototype.
14940 * tree-vrp.c (remove_range_assertions): Add new argument to
14942 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
14943 * tree-complex.c (expand_complex_div_wide): Likewise.
14944 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
14945 * tree-tailcall.c (eliminate_tailcall): Likewise.
14946 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
14947 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
14948 * tree-nrv.c (tree_nrv): Likewise.
14949 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
14950 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
14951 (combine_blocks): Likewise.
14952 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
14953 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
14954 (cleanup_control_flow): Likewise.
14955 (remove_forwarder_block): Likewise.
14956 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
14957 * tree-sra.c (sra_replace): Likewise.
14958 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
14959 (forward_propagate_single_use_vars): Likewise.
14960 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
14961 * tree-inline.c (expand_call_inline): Likewise.
14962 * tree-vect-transform.c (vect_transform_loop): Likewise.
14963 * tree-outof-ssa.c (rewrite_trees): Likewise.
14964 * tree-cfg.c (make_goto_expr_edges): Likewise.
14965 (cleanup_dead_labels): Likewise.
14966 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
14967 (bsi_move_before, bsi_move_after): Likewise.
14968 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
14969 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
14971 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
14974 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
14976 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
14977 on non gimple variables. Also add checks at the top for decls and
14979 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
14981 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
14982 and IMAGPART_EXPR for creating MUST_DEFs.
14983 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
14984 and NAME_MEMORY_TAG separately from the DECLs.
14986 2006-01-06 Richard Guenther <rguenther@suse.de>
14988 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
14989 annotation, if necessary.
14990 * tree-ssa-pre.c (create_expression_by_pieces): Remove
14991 redundant calls to update_stmt.
14992 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
14995 2006-01-05 Richard Henderson <rth@redhat.com>
14997 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
14999 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15001 * c-typeck.c: Update copyright date.
15003 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15005 * c-typeck.c (build_c_cast): Always warn when casting
15006 from a pointer to an integer of different size, even if
15007 the node was constant.
15009 2006-01-05 Richard Guenther <rguenther@suse.de>
15011 PR tree-optimization/22555
15012 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
15013 if one structure field is an array.
15014 * tree-ssa-operands.c (get_expr_operands): Continue scanning
15015 operands even if we found a subvar, but ignore VOPs in this
15017 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
15019 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
15021 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
15023 PR middle-end/24998
15024 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
15026 2006-01-05 Richard Guenther <rguenther@suse.de>
15027 Diego Novillo <dnovillo@redhat.com>
15029 * tree-pass.h (TODO_remove_unused_locals): Define.
15030 * gimple-low.c (expand_var_p, remove_useless_vars,
15031 pass_remove_useless_vars): Remove. Update all users.
15032 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
15033 (remove_unused_locals): New function.
15034 * tree-flow.h (remove_unused_locals): Declare.
15035 * passes.c (execute_todo): Call remove_unused_locals if
15036 TODO_remove_unused_locals is set.
15037 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
15038 * tree-ssa-dce.c (pass_dce): Likewise.
15039 * tree-outof-ssa.c (pass_del_ssa): Likewise.
15041 2006-01-05 Richard Guenther <rguenther@suse.de>
15043 * tree-flow.h (struct fieldoff): Decompose field to
15044 type, size and decl.
15045 * tree-ssa-alias.c (create_sft): Take type as parameter.
15046 (create_overlap_variables_for): Store type, size and decl
15047 in the fieldoff structure.
15048 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
15049 of struct fieldoff.
15050 (push_fields_onto_fieldstack): Likewise.
15051 (create_variable_info_for): Likewise. Use offset for the
15052 SFT name if the decl is not available.
15054 2006-01-04 Paul Brook <paul@codesourcery.com>
15056 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
15058 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
15060 * lambda-code.c (can_put_in_inner_loop): Relax
15062 (can_put_after_inner_loop): New function.
15063 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
15064 (perfect_nestify): Change to make copies and modify uses.
15066 2006-01-04 Richard Henderson <rth@redhat.com>
15068 Merge from gomp branch:
15069 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
15070 via integer constant.
15071 (pragma_lex): Remove.
15072 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
15073 rather than parsing it.
15074 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
15075 handle_pragma_extern_prefix): Add %< %> quotes.
15076 (registered_pragmas): New.
15077 (c_register_pragma_1): New.
15078 (c_register_pragma): Use it.
15079 (c_register_pragma_with_expansion): Likewise.
15080 (c_invoke_pragma_handler): New.
15081 (init_pragma): Use cpp_register_deferred_pragma directly for
15083 * c-pragma.h (enum pragma_kind): New.
15084 (pragma_handler): New.
15085 (c_invoke_pragma_handler): Declare.
15086 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
15088 * c-common.h (c_common_pch_pragma): Update decl.
15089 * Makefile.in (c-parser.o): Update dependencies.
15090 (GTFILES): Add c-pragma.h.
15091 * c-parser.c (struct c_token): Add pragma_kind.
15092 (struct c_parser): Add in_pragma.
15093 (c_lex_one_token): Always initialize keyword and pragma_kind.
15094 Extract data for CPP_PRAGMA.
15095 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
15096 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
15097 Don't allow CPP_PRAGMA_EOL if in_pragma.
15098 (c_parser_consume_pragma): New.
15099 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
15100 (c_parser_skip_to_end_of_parameter): Likewise.
15101 (c_parser_skip_to_end_of_block_or_statement): Likewise.
15102 (c_parser_skip_to_pragma_eol): New.
15103 (c_parser_external_declaration): Handle CPP_PRAGMA.
15104 (c_parser_compound_statement_nostart): Likewise.
15105 (c_parser_statement_after_labels): Likewise.
15106 (c_parser_pragma): New.
15107 (pragma_lex): Likewise.
15108 (c_parser_pragma_pch_preprocess): New.
15109 (c_parser_new): Merge into ...
15110 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
15112 2006-01-04 Jeff Law <law@redhat.com>
15115 * tree-cfg.c (bsi_replace): Remove the original statement
15116 from the EH throw statement table.
15118 2006-01-04 Jakub Jelinek <jakub@redhat.com>
15120 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
15121 make the prototype extern "C" and add throw ().
15124 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
15125 and pos non-negative and pos + len <= 32.
15126 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
15127 drop pos + len < HOST_BITS_PER_WIDE_INT test.
15128 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
15131 * c-common.c (handle_vector_size_attribute): Reject zero vector size
15132 as well as sizes not multiple of component size.
15135 * function.c (instantiate_expr): New function.
15136 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
15137 walk its DECL_VALUE_EXPR with instantiate_expr.
15139 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
15140 DW_OP_deref{,_size} if address isn't going to be added.
15142 2006-01-04 Ben Elliston <bje@au.ibm.com>
15144 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
15145 * config/fp-bit.c: Likewise.
15147 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
15149 * dominance.c: Add comment about why we use DFS numbering
15152 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15153 Richard Henderson <rth@redhat.com>
15155 Merge from gomp-branch:
15156 * varasm.c (assemble_variable): Handle thread-local COMMON data.
15157 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
15159 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
15161 PR rtl-optimization/25578
15162 * combine.c (combine_simplify_rtx, force_to_mode): Don't
15163 pass a parameter to simplify_shift_const if changing ASHIFTRT
15166 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
15168 * builtins.c (get_builtin_sync_mem): New function.
15169 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
15170 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
15171 Call get_builtin_sync_mem to generate mem rtx.
15173 2006-01-03 Richard Guenther <rguenther@suse.de>
15176 * stmt.c (add_case_node): Make sure to clear overflow flags
15179 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15181 Merge from gomp-branch.
15182 * config/sparc/sync.md: New file.
15183 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
15184 UNSPECV_LDSTUB): New constants.
15185 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
15186 * config/sparc/predicates.md (memory_reg_operand): New predicate.
15187 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
15190 2006-01-03 Roger Sayle <roger@eyesopen.com>
15192 * combine.c (reg_subword_p): New predicate to test whether the
15193 destination of a set refers to a subword/piece of a register.
15194 (try_combine): Generalize the code to merge the setting of a
15195 pseudo to a constant followed by a set of a subword of that
15196 register to a constant.
15198 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
15200 * basic-block.h (control_flow_graph): Change the type of
15201 x_label_to_block_map to VEC(basic_block,gc) *.
15202 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
15203 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
15205 * tree-ssa-propagate.c (cfg_blocks): Change the type to
15206 VEC(basic_block,heap) *.
15207 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
15208 ssa_prop_fini): Adjust the uses of cfg_blocks.
15210 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
15212 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
15214 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
15215 hashing trees instead of a pointer hash.
15216 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
15217 compare for MEM_EXPR.
15219 PR rtl-optimization/25130
15220 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
15221 when comparing MEMs for GCSE
15223 2006-01-03 Ben Elliston <bje@au.ibm.com>
15225 * targhooks.h (default_decimal_float_supported_p): Declare.
15226 * targhooks.c (default_decimal_float_supported_p): Define.
15227 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
15228 `default_decimal_float_supported_p'.
15229 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
15231 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
15233 * combine.c (apply_distributive_law <SUBREG>): Check
15234 TRULY_NOOP_TRUNCATION.
15236 2006-01-02 Geoffrey Keating <geoffk@apple.com>
15238 * dwarf2out.c (have_switched_text_section): Delete.
15239 (have_multiple_function_sections): New.
15240 (have_location_lists): Make 'bool'.
15241 (add_AT_loc_list): Use 'true' not '1'.
15242 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
15243 (output_loc_list): Use have_multiple_function_sections.
15244 (output_ranges): Likewise.
15245 (dwarf2out_begin_function): Set have_multiple_function_sections if
15247 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
15248 Check function_section rather than DECL_SECTION_NAME.
15249 (dwarf2out_finish): Use have_multiple_function_sections.
15250 Don't clear have_location_lists.
15252 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
15253 Jan Hubicka <jh@suse.cz>
15255 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
15256 case of conditional jump jumping to the next instruction.
15257 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
15258 cases of conditional jump jumping to the next instruction.
15260 2006-01-02 Jan Hubicka <jh@suse.cz>
15262 * i386.c (*_cost): Add COSTS_N_INSNS.
15263 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
15265 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
15268 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
15270 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15272 * config/arm/arm.c (all_fpus): Fix comment typo.
15273 * config/darwin.c: Likewise.
15274 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
15275 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
15276 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
15278 2006-01-01 David Edelsohn <edelsohn@gnu.org>
15280 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
15281 (rs6000_split_compare_and_swapqhi): New.
15282 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
15283 (sync_compare_and_swapqhi_internal): New.
15284 * config/rs6000/rs6000-protos.h: Declare.