1 2006-09-27 Geoffrey Keating <geoffk@apple.com>
3 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
5 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
6 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
8 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
10 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
12 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
14 * doc/install.texi: Document required versions of GMP and MPFR.
16 2006-09-27 Paul Brook <paul@codesourcery.com>
19 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
21 2006-09-27 Richard Sandiford <richard@codesourcery.com>
23 * reload1.c (alter_reg): Require the alignment of the stack slot to
24 be at least reg_max_ref_width bytes.
25 (scan_paradoxical_subregs): Record the largest width in
28 2006-09-26 Jakub Jelinek <jakub@redhat.com>
32 * tree-nested.c (struct nesting_info): Added static_chain_added.
33 (convert_call_expr): Set static_chain_added when adding static
34 chain. Handle OMP_PARALLEL and OMP_SECTION.
36 2006-09-25 Matthias Klose <doko@debian.org>
38 * doc/invoke.texi: Add missing full stop.
40 2006-09-25 Richard Henderson <rth@redhat.com>
42 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
43 before cgraph_function_flags_ready.
45 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
46 Adam Nemet <anemet@caviumnetworks.com>
48 * tree-ssa-loop-ivopts.c (aff_combination_convert,
49 determine_common_wider_type): New functions.
50 (get_computation_aff): Use them to simplify arithmetic between
51 UBASE and CBASE if they are shortened from the same type.
53 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
56 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
57 -2147483647 - 1 instead of 0x80000000.
59 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
61 * flags.h (HONOR_NANS): Fix typo in comment.
63 2006-09-23 Uros Bizjak <uros@kss-loka.si>
65 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
67 2006-09-23 Jakub Jelinek <jakub@redhat.com>
71 * tree.c (merge_attributes, attribute_list_contained): If both
72 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
74 * c-typeck.c (comptypes_internal): Don't consider aggregates
75 in different TUs as compatible if there one set of attributes is
76 not a subset of the other type's attributes.
77 (composite_type): Try harder not to create a new aggregate type.
79 2006-09-22 Geoffrey Keating <geoffk@apple.com>
81 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
82 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
83 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
84 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
85 than replicating condition above.
86 * config.host (i[34567]86-*-*): Always use driver-i386.o.
88 * config/darwin.h (LINK_SYSROOT_SPEC): New.
89 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
90 the linker by default.
92 2006-09-22 Mike Stump <mrs@apple.com>
94 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
97 2006-09-22 Richard Guenther <rguenther@suse.de>
100 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
101 sort of stack variables stable.
103 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
106 * explow.c (force_reg): Set REG_POINTER flag according to
109 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
111 PR tree-optimization/28888
112 * tree-if-conv.c (combine_blocks): Rewritten.
113 * tree-cfg.c (tree_verify_flow_info): Check that edges with
114 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
116 2006-09-22 Jakub Jelinek <jakub@redhat.com>
118 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
121 2006-09-21 Richard Sandiford <richard@codesourcery.com>
123 * varasm.c (copy_constant): Fix reversed gcc_assert check.
125 2006-09-21 Janis Johnson <janis187@us.ibm.com>
127 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
129 2006-09-21 Roger Sayle <roger@eyesopen.com>
132 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
133 dw_fde_current_label, to be the start of the function, i.e. the same
134 value as dw_fde_begin.
136 2006-09-20 Richard Sandiford <richard@codesourcery.com>
138 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
139 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
140 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
141 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
142 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
143 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
144 (abs<mode>2, neg<mode>2): Likewise.
145 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
146 (*mips_abs_ps): New define_insn.
148 2006-09-20 Josh Conner <jconner@apple.com>
151 * calls.c (expand_call): Allow reuse of structure return stack
154 2006-09-20 Paul Brook <paul@codesourcery.com>
156 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
159 2006-09-20 Janis Johnson <janis187@us.ibm.com>
161 * doc/extend.texi (Decimal Float): Update for latest draft TR,
162 clean up terminology.
164 2006-09-20 Steve Ellcey <sje@cup.hp.com>
167 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
168 with tablejumps in them.
170 2006-09-20 Jakub Jelinek <jakub@redhat.com>
173 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
174 wrap it into TARGET_EXPR.
176 2006-09-20 Eric Christopher <echristo@apple.com>
178 * config/i386/i386.c (x86_fisttp): Remove.
179 * config/i386/i386.h (x86_fisttp): Ditto.
180 (TARGET_FISTTP): Ditto.
182 2006-09-19 Eric Christopher <echristo@apple.com>
184 * doc/tm.texi (OBJC_JBLEN): Describe.
185 * config/i386/darwin.h (OBJC_JBLEN): Define.
186 * config/rs6000/darwin.h: Ditto.
188 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
190 PR rtl-optimization/21299
191 * reload1.c (reload): Purge invalid ASMs in the final pass.
193 2006-09-19 Steve Ellcey <sje@cup.hp.com>
196 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
197 pointers as legitimate constants.
199 2006-09-19 Paul Brook <paul@codesourcery.com>
202 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
204 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
206 PR tree-optimization/28887
207 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
208 component parts from the reference.
209 (gather_memory_references_ref): Record the reference without the
210 nonaddressable component parts.
212 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
215 * c-opts.c (c_common_handle_option): Ignore the -std options
216 if the input language is assembly.
218 2006-09-17 Ira Rosen <irar@il.ibm.com>
221 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
223 (ptr_ptr_may_alias_p): Likewise.
224 (record_record_differ_p): New function.
225 (base_object_differ_p): Call record_record_differ_p.
227 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
230 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
231 away for the expr argument.
233 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
236 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
237 before using it for dumping after vectorizing loops.
239 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
240 Jack Howarth <howarth@bromo.med.uc.edu>
243 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
244 skip on error_mark_node.
245 (rs6000_darwin64_record_arg_recurse): Likewise.
247 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
249 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
250 * doc/rtl.texi: Remove related documentation.
252 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
254 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
257 2006-09-15 Jim Wilson <wilson@specifix.com>
259 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
260 Handle symbol offsets same as they are handled in ia64_expand_move
263 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
265 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
266 Add forgotten parameter to the fprintf call.
268 2006-09-15 Steve Ellcey <sje@cup.hp.com>
270 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
272 2006-09-15 Uros Bizjak <uros@kss-loka.si>
274 * doc/contrib.texi: Add my entry.
276 2006-09-15 Nick Clifton <nickc@redhat.com>
278 * doc/md.texi (Processor pipeline description): Fix typo in
279 example of how to use the absence_set directive and reword the
280 description to make it slightly easier to read.
282 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
284 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
285 * loop-doloop.c (doloop_optimize): Use it to limit costs of
286 expanding the number of iterations.
287 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
289 * cfgrtl.c (emit_insn_at_entry): New function.
290 * rtl.h (emit_insn_at_entry): Declare it.
291 * integrate.c (emit_initial_value_sets): Use it.
293 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
295 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
297 (struct loop_work and related VEC declarations): Delete.
298 (bfin_dump_loops): Print out new member bad.
299 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
300 (bfin_scan_loop): Don't recurse.
301 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
302 loops. No longer need to update outer loops if the current one is
303 found bad. Move some validitiy checks to bfin_discover_loop.
304 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
305 but changed not to check for nesting. Also changed to use the new bad
307 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
308 time. Use bitmap based test to discover loop nesting.
310 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
312 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
315 2006-09-14 Richard Guenther <rguenther@suse.de>
316 Kazu Hirata <kazu@codesourcery.com>
319 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
320 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
321 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
322 with TARGET_FUNCTION_VALUE.
324 2006-09-14 Anatoly Sokolov <aesok@post.ru>
327 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
329 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
331 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
334 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
337 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
340 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
342 * basic_block.h (bb_has_eh_pred): Fix comment.
344 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
346 * flow.c (calculate_global_regs_live): Invalidate eh registers
347 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
348 (propagate_block): Handle eh registers as if they were set at basic
350 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
352 * global.c (global_conflicts): Make eh registers to conflict with
353 pseudos live at basic block begin.
354 * basic_block.h (bb_has_eh_pred): New function.
356 2006-09-13 Richard Sandiford <richard@codesourcery.com>
358 PR rtl-optimization/28982
359 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
360 index of a PRE_MODIFY or POST_MODIFY address.
361 * reload1.c (inc_for_reload): Use find_replacement on the original
362 base and index registers.
364 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
366 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
367 for -Os. Update __m128 alignment requirement.
369 2006-09-13 Jan Hubicka <jh@suse.cz>
371 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
373 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
375 PR rtl-optimization/28243
376 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
377 the insn to which the note was originally attached.
379 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
380 Roger Sayle <roger@eyesopen.com>
382 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
383 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
384 on platforms that don't use dwarf for debug info.
386 2006-09-12 Jason Merrill <jason@redhat.com>
389 * builtins.c (expand_builtin_setjmp_receiver): Clobber
390 hard_frame_pointer_rtx after using it to update the frame pointer.
392 2006-09-12 Roger Sayle <roger@eyesopen.com>
394 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
395 (TARGET_ASM_CLOSE_PAREN): Likewise.
396 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
397 (TARGET_ASM_CLOSE_PAREN): Likewise.
399 2006-09-12 Roger Sayle <roger@eyesopen.com>
402 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
403 frame information for frames larger than 512 Kbytes on Tru64 when
404 using the native assembler.
406 2006-09-12 Roger Sayle <roger@eyesopen.com>
410 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
411 and symbols. Instead use the implementation from cse.c's hash_rtx.
413 2006-09-12 Jan Hubicka <jh@suse.cz>
415 PR rtl-optimization/28071
416 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
417 (vect_transform_loop): Likewise.
418 * tree-vectorizer.c (new_loop_vec_info): Likewise.
419 (new_loop_vec_info): Likewise.
420 (destroy_loop_vec_info): Likewise.
421 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
422 (create_stmt_ann): Likewise.
423 (create_tree_ann): Rename to ...
424 (create_tree_common_ann): ... this one; allocate only the common part
426 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
427 (get_value_handle): Likewise.
428 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
430 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
431 (vinfo_for_stmt): Use stmt annotations.
432 * tree-flow.h (tree_ann_common_t): New type.
433 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
434 (tree_ann, get_tree_ann, create_tree_ann): New.
435 * tree-flow-inline.h (get_function_ann): Do more type checking.
436 (stmt_ann): Likewise.
437 (tree_ann): Rename to ...
438 (tree_common_ann): ... this one; return ony common_ann
439 (get_tree_ann): Rename to ...
440 (tree_common_ann): This one; return only common_ann.
441 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
444 2006-09-11 Geoffrey Keating <geoffk@apple.com>
446 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
449 * dwarf2out.c (dwarf_file_data): New.
450 (enum dw_val_class): Add dw_val_class_file.
451 (struct dw_val_struct): Add val_file.
452 (file_table): Change to a hash table.
453 (file_table_emitted): Delete.
454 (file_table_last_lookup_index): Delete.
456 (last_emitted_file): New.
457 (lookup_filename): Change prototype to return a struct dwarf_file_data.
458 (init_file_table): Delete.
459 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
460 (AT_addr): Add comment.
464 (print_die): Handle dw_val_class_file.
465 (print_dwarf_line_table): Update for new file table structure.
466 (attr_checksum): Do checksum a filename.
467 (same_dw_val_p, same_attr_p): Do compare a filename.
468 (size_of_die): Handle dw_val_class_file.
469 (value_format): Likewise.
470 (output_die): Likewise. Also, call maybe_emit_file here.
471 (struct file_info): Constify filenames. Make file_idx a pointer
472 to a struct dwarf_file_data.
473 (struct dir_info): Constify directory names. Remove 'used' field.
474 (struct file_name_acquire_data): New.
475 (file_name_acquire): New.
476 (output_file_names): Modify to handle new file data structures.
477 (add_src_coords_attributes): Use add_AT_file.
478 (add_call_src_coords_attributes): Likewise.
479 (dwarf2out_imported_module_or_decl): Likewise.
480 (gen_subprogram_die): Modify for new file data structures.
481 (gen_variable_die): Likewise.
482 (file_table_eq): New.
483 (file_table_hash): New.
484 (file_table_last_lookup): New.
485 (lookup_filename): Rewrite to handle new file data structures.
486 (maybe_emit_file): Rewrite to handle new file data structures.
487 (dwarf2out_source_line): Always call lookup_filename and
489 (dwarf2out_init): Create file_table here.
490 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
491 (file_table_relative_p): New.
492 (dwarf2out_finish): Change detection of relative filenames
493 to work with new file data structures. Move output_line_info call
494 after debug_info output.
496 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
501 * config/i386/i386.c (override_options): Always default to 16
504 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
507 * var-tracking.c (dump_dataflow_set): Start dumping at
509 (clobber_variable_part): Kill only the variable part in
510 registers holding it, leaving other variables alone.
512 2006-09-11 Josh Triplett <josh@freedesktop.org>
514 * doc/extend.texi (Other Builtins): Actually use the macro
515 argument in the documentation example for
516 __builtin_types_compatible_p.
518 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
520 PR rtl-optimization/28726
521 * sched-deps.c (sched_analyze_reg): New function extracted from...
522 (sched_analyze_1): ...here. Call it to analyze references to
523 registers. Treat again writes to a stack register as writing to the
525 (sched_analyze_2): ...and here. Call it to analyze references to
526 registers. Treat again reads of a stack register as reading the
529 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
530 David Edelsohn <edelsohn@gnu.org>
533 * config/rs6000/spe.md (frob_df_di): Remove %H.
534 (frob_di_df): Remove %H. Change evmergelo to mr.
535 (frob_di_df_2): Remove %H. Change evldd to two loads.
537 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
539 * doc/cpp.texi: Fix names of charset options.
541 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
544 * config/i386/i386.c (override_options): Use 128-bit
545 stack boundary always for 64bits.
547 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
549 PR rtl-optimization/28636
550 * combine.c (force_to_mode): Test for side-effects before
551 substituting by zero.
552 (simplify_shift_const): Likewise for zero or other constants.
554 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
557 * builtins.c (expand_builtin_setjmp): Force next_lab to be
560 2006-09-10 Richard Sandiford <richard@codesourcery.com>
563 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
564 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
565 returned by mode_for_size, rather than the mode of src itself,
566 to choose between 32-bit and 64-bit patterns.
567 (mips_mem_fits_mode_p): New function.
568 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
569 that the size of the source matches the size of the destination.
570 (mov_<store>l, mov_<store>r): Likewise.
572 2006-09-10 Eric Christopher <echristo@apple.com>
574 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
577 2006-09-09 Eric Christopher <echristo@apple.com>
580 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
583 2006-09-09 Roger Sayle <roger@eyesopen.com>
584 Nicolas Setton <setton@adacore.com>
586 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
588 2006-09-10 Andreas Schwab <schwab@suse.de>
590 * config/m68k/m68k.md (bungt_rev): New pattern.
592 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
593 Dale Johannesen <dalej@apple.com>
596 * regclass.c (struct reg_pref): Update documentation.
597 (regclass): Set prefclass to NO_REGS if memory is the best option.
598 (record_reg_classes): Cope with a prefclass set to NO_REGS.
600 2006-09-08 Eric Christopher <echristo@apple.com>
602 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
603 * config/t-slibgcc-darwin: Support x86_64 multilib.
604 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
605 Return 1 for x86_64-darwin.
606 * config/i386/t-darwin: Add m64 multilib.
607 (LIB2_SIDITI_CONV_FUNCS): Use.
608 (LIB2FUNCS_EXTRA): Ditto.
609 * config/i386/darwin.h: Support x86_64.
610 * config/i386/i386.c (override_options): Turn on flag_pic
611 for x86_64-darwin. Disable flag_omit_pointer.
612 (get_pc_thunk_name): Assert !TARGET_64BIT.
613 (legitimate_address_p): Disable machopic addressing for
615 (legitimize_pic_address): Ditto.
616 (ix86_expand_move): Ditto.
617 (ix86_expand_call): Ditto.
618 (machopic_output_stub): Ditto.
619 * config/darwin.c (machopic_select_section): Support literal16.
620 (machopic_select_rtx_section): Ditto.
621 * config/darwin-sections.def: Ditto.
622 * config/darwin-64.c: New.
624 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
627 * c-tree.h (struct c_arg_info): Add pending_sizes.
628 * c-parser.c (c_parser_parms_declarator,
629 c_parser_parms_list_declarator): Initialize pending_sizes.
630 * c-decl.c (get_parm_info): Initialize pending_sizes.
631 (get_parm_info): Set pending_sizes.
632 (grokdeclarator): Call put_pending_sizes for parameters for
633 function definition only.
635 2006-09-07 Jason Merrill <jason@redhat.com>
638 * varasm.c (output_constant): Only strip actual no-op conversions.
641 * config/i386/i386.c (override_options): Use 128-bit
642 stack boundary if -msse.
644 2006-09-07 Eric Christopher <echristo@apple.com>
646 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
648 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
651 2006-09-07 Geoffrey Keating <geoffk@apple.com>
653 * dwarf2out.c: Remove strange characters from comment above
654 dwarf2out_frame_debug_expr.
656 2006-09-07 Eric Christopher <echristo@apple.com>
658 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
659 * config/darwin.h: ... to here.
661 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
663 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
665 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
666 (TARGET_PARTIAL_FLAG_REG_STALL): New.
668 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
669 TARGET_PARTIAL_FLAG_REG_STALL.
670 (*ashldi3_cconly_rex64): Likewise.
671 (*ashlsi3_cmp): Likewise.
672 (*ashlsi3_cconly): Likewise.
673 (*ashlsi3_cmp_zext): Likewise.
674 (*ashlhi3_cmp): Likewise.
675 (*ashlhi3_cconly): Likewise.
676 (*ashlqi3_cmp): Likewise.
677 (*ashlqi3_cconly): Likewise.
678 (*ashrdi3_cmp_rex64): Likewise.
679 (*ashrdi3_cconly_rex64): Likewise.
680 (*ashrsi3_cmp): Likewise.
681 (*ashrsi3_cconly): Likewise.
682 (*ashrsi3_cmp_zext): Likewise.
683 (*ashrhi3_cmp): Likewise.
684 (*ashrhi3_cconly): Likewise.
685 (*ashrqi3_cmp): Likewise.
686 (*ashrqi3_cconly): Likewise.
687 (*lshrdi3_cmp_rex64): Likewise.
688 (*lshrdi3_cconly_rex64): Likewise.
689 (*lshrsi3_cmp): Likewise.
690 (*lshrsi3_cconly): Likewise.
691 (*lshrsi3_cmp_zext): Likewise.
692 (*lshrhi3_cmp): Likewise.
693 (*lshrhi3_cconly): Likewise.
694 (*lshrqi2_cmp): Likewise.
695 (*lshrqi2_cconly): Likewise.
697 2006-09-07 Uros Bizjak <uros@kss-loka.si>
700 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
701 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
702 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
703 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
704 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
705 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
706 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
707 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
708 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
709 implement only CC setting effects of shift instructions.
711 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
713 * doc/contrib.texi: Add myself.
715 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
718 * stor-layout.c (relayout_decl): Don't zero the alignment if it
721 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
724 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
725 (divsi_inv_m1): Use them.
726 (UNSPEC_DIV_INV_TABLE): New constant.
728 2006-09-06 James E Wilson <wilson@specifix.com>
731 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
732 then call count_or_remove_death_notes.
734 2006-09-06 Jason Merrill <jason@redhat.com>
737 * tree-inline.c (copy_result_decl_to_var): New fn.
738 (declare_return_variable): Use it. Call declare_inline_vars here.
739 (expand_call_inline): Not here.
741 2006-09-06 Diego Novillo <dnovillo@redhat.com>
743 * doc/contrib.texi: Update my entry.
745 2006-09-06 Nick Clifton <nickc@redhat.com>
747 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
749 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
752 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
753 (canonicalize_induction_variables): Likewise.
754 (tree_unroll_loops_completely): Likewise.
755 (tree_ssa_prefetch_arrays): Likewise.
756 (remove_empty_loops): Likewise.
757 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
758 TODO_cleanup_cfg instead of directly calling
759 cleanup_tree_cfg_loop.
760 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
762 (tree_unroll_loops_completely): Likewise.
763 (remove_empty_loops): Likewise.
764 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
765 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
766 of tree_ssa_unswitch_loops.
767 (tree_ssa_loop_ivcanon): Use the return value of
768 canonicalize_induction_variables.
769 (tree_ssa_empty_loop): Use the return value of
771 (tree_complete_unroll): Use the return value of
772 tree_unroll_loops_completely.
773 (tree_ssa_loop_prefetch): Use the return value of
774 tree_ssa_prefetch_arrays.
775 * passes.c (execute_todo): Before Cleanup CFG, set
776 updating_used_alone and after cleanup CFG, call
777 recalculate_used_alone.
779 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
782 * tree-vect-transform.c (vectorizable_condition): Move the check
783 for the type after the check for simple condition.
785 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
786 Kaz Kojima <kkojima@gcc.gnu.org>
789 * mode-switching.c (optimize_mode_switching): Make the destination
790 block of an abnormal edge have no anticipatable mode. Don't
791 insert mode switching code at the end of the source block of
794 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
796 PR rtl-optimization/26847
797 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
798 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
799 (simplify_plus_minus): Count n_constants while filling ops. Replace
800 qsort with insertion sort. Before going through the array to simplify
801 pairs, sort it. Delay early exit until after the first sort, exiting
802 only if no swaps occurred. Simplify pairs in reversed order, without
803 special-casing the first iteration. Pack ops after simplifying pairs.
805 2006-09-05 Anatoly Sokolov <aesok@post.ru>
807 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
808 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
809 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
810 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
812 2006-09-05 Richard Guenther <rguenther@suse.de>
814 PR tree-optimization/28900
815 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
816 compound conditional before creating COND_EXPR condition.
818 2006-09-05 Richard Guenther <rguenther@suse.de>
820 PR tree-optimization/28905
821 * tree-vrp.c (fix_equivalence_set): Manually implement
822 !value_ranges_intersect_p to also handle symbolic ranges.
824 2006-09-05 Richard Guenther <rguenther@suse.de>
827 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
830 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
832 PR rtl-optimization/27616
833 * cse.c (table_size): New static variable.
834 (new_basic_block): Initialize it to 0.
835 (remove_from_table): Decrement it.
836 (insert): Increment it.
837 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
838 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
839 fold_rtx_mem_1 if under the cap.
840 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
841 the lookup of the equivalent expression and test for equality of the
842 first operand of the equivalent expression before in turn looking up
843 an equivalent constant for the second operand.
845 2006-09-02 Geoffrey Keating <geoffk@apple.com>
848 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
849 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
850 pointer, instead of assuming it is possible to derive the
851 correct args size from a call insn.
853 2006-09-02 Jakub Jelinek <jakub@redhat.com>
856 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
857 (fold_builtin_mempcpy): Rename to...
858 (fold_builtin_memory_op): ... this. Optimize one element copy
860 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
862 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
863 (expand_builtin_memcpy, expand_builtin_mempcpy,
864 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
865 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
866 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
867 BUILT_IN_MEM{CPY,PCPY,MOVE}.
869 2006-09-01 DJ Delorie <dj@redhat.com>
871 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
873 ("stzx_24_<mode>"): Likewise.
874 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
875 ("cmp<mode>_op"): New.
876 (cmp<mode>): Change to expander; just save operands.
878 (b<code>): Change to expander, emit compare here.
879 (s<code>_op): Change to use split and expander.
880 (s<code>_24_op): Likewise.
881 (s<code>_<mode>): New.
882 (s<code>_<mode>_24): New.
883 (movqicc_<code>_<mode): New.
884 (movhicc_<code>_<mode>): New.
887 * config/m32c/m32c.c (compare_op0, compare_op1): New.
888 (m32c_pend_compare): New.
889 (m32c_unpend_compare): New.
890 (m32c_expand_scc): New.
891 (m32c_expand_movcc): Emit the compare also.
892 * config/m32c/predicates.md (mra_nopp_operand): New.
894 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
895 Richard Guenther <rguenther@suse.de>
896 Adam Nemet <anemet@caviumnetworks.com>
899 * builtins.c (get_pointer_alignment): Handle more forms
900 of base addresses that can be used to derive more precise
901 information about alignment.
903 2006-09-01 Jason Merrill <jason@redhat.com>
906 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
909 * gimplify.c (voidify_wrapper_expr): Handle null type.
911 2006-09-01 Josh Conner <jconner@apple.com>
914 * tree-nrv.c (dest_safe_for_nrv_p): New function.
915 (execute_return_slot_opt): Use it.
917 2006-08-31 Josh Conner <jconner@apple.com>
920 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
921 returning aggregates.
923 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
925 PR tree-optimization/28839
926 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
927 blocks in that phi arguments appear.
929 2006-08-31 Roger Sayle <roger@eyesopen.com>
932 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
933 NULL, otherwise use an advance_loc4 to adjust relative to the
935 (output_cfi) <DW_CFA_set_loc>: Update the current label.
936 (dwarf2out_switch_text_section): Reset the current label to avoid
937 using advance_loc4 over section boundaries.
939 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
942 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
943 r12 + SYMBOLIC_CONST.
945 2006-08-30 Richard Guenther <rguenther@suse.de>
947 * Makefile.in (see.o): Add $(EXPR_H) dependency.
949 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
951 PR rtl-optimization/27735
952 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
953 Add new argument to keep track of whether an irreducible region
954 was affected. All callers changed.
955 (fix_irreducible_loops): Removed.
956 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
957 flags were invalidated.
959 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
961 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
962 instead of SF operands.
963 (*fop_df_comm_sse): Likewise.
964 (*fop_df_comm_i387): Likewise.
965 (*fop_df_1_mixed): Likewise.
966 (*fop_df_1_sse): Likewise.
968 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
969 J"orn Rennecke <joern.rennecke@st.com>
971 PR tree-optimization/17506
972 * tree-ssa.c (warn_uninit): If warning about a location outside of
973 the current function, note where the variable was declared.
975 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
977 PR tree-optimization/28411
978 * double-int.c (double_int_div): Use double_int_divmod.
979 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
980 double_int_mod, double_int_smod, double_int_umod): New functions.
981 * double-int.h (double_int_divmod, double_int_sdivmod,
982 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
984 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
986 (get_computation_aff, get_computation_cost_at): Handle double_int
987 return type of constant_multiple_of.
989 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
992 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
993 an implicit conversion.
995 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
997 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
999 2006-08-27 Roger Sayle <roger@eyesopen.com>
1001 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
1004 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
1006 * config/i386/crtfastmath.c: Fix a comment typo.
1008 2006-08-26 Roger Sayle <roger@eyesopen.com>
1010 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
1011 temporary visit flags on CASE_LABEL_EXPRs.
1012 * c-common.c (match_case_to_enum): Add function comment. Avoid
1013 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
1014 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
1015 CASE_HIGH_SEEN for enumerated types. If the switch expression is
1016 a constant, only warn if that constant value isn't handled.
1018 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
1021 * input.h (restore_input_file_stack): Declare.
1022 (INPUT_FILE_STACK_BITS): Define.
1023 * toplev.c (fs_p, input_file_stack_history,
1024 input_file_stack_restored, restore_input_file_stack): New.
1025 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
1026 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
1027 (pop_srcloc): Don't free old state of stack.
1029 2006-08-26 David Edelsohn <edelsohn@gnu.org>
1032 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
1033 (PowerPC Type Attributes): New.
1035 2006-08-26 Bob Wilson <bob.wilson@acm.org>
1037 * config/xtensa/xtensa.c (function_arg_boundary): New.
1038 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
1040 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
1041 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
1043 2006-08-26 Jakub Jelinek <jakub@redhat.com>
1046 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
1049 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1051 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
1052 (verify_local_live_at_start): Likewise.
1054 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1057 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
1058 omp_add_variable): Treat sizes as variable whenever not
1061 2006-08-26 Richard Guenther <rguenther@suse.de>
1064 * fold-const.c (fold_binary): Fold temporary to correct
1065 type before constructing new comparison.
1067 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
1070 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
1071 variable again if DECL_SEEN_IN_BIND_EXPR_P.
1073 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1076 * c-decl.c (start_function): Don't try to process prototype
1077 information from old declaration that isn't a function.
1079 2006-08-25 Jan Hubicka <jh@suse.cz>
1082 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
1084 2006-08-25 Alan Modra <amodra@bigpond.net.au>
1087 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
1090 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
1092 PR tree-optimization/16876
1093 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
1094 exit if PARM doesn't match VALUE.
1096 2006-08-25 Bob Wilson <bob.wilson@acm.org>
1098 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
1099 literal_prefix directive.
1100 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
1101 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1102 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1104 2006-08-25 David Edelsohn <edelsohn@gnu.org>
1107 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
1108 predicate to general_operand. Add 0->y and I->r alternatives.
1110 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
1112 * doc/tm.texi: Fix a typo.
1113 * predict.c: Fix comment typos.
1115 2006-08-25 Nick Clifton <nickc@redhat.com>
1117 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
1118 assertions of "cpu" and "machine".
1120 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
1123 * tree-ssa-operands.c (access_can_touch_variable): Don't say
1124 the access through a base which has an alias set of 0 cannot
1127 2006-08-24 Bill Wendling <wendling@apple.com>
1129 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
1131 2006-08-24 Jan Hubicka <jh@suse.cz>
1133 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
1135 2006-08-24 Jan Hubicka <jh@suse.cz>
1138 * cgraph.c: Fix comments.
1139 (cgraph_varpool_mark_needed_node): Mark only variables not already
1141 * cgraphunit.c: Update comments; include gt-cgraphunit.h
1142 (cgraph_varpool_assembled_nodes_queue): New static variable.
1143 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
1144 (cgraph_varpool_output_debug_info): New function.
1145 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
1146 * Makefile.in: Add gt-cgraphunit.h
1148 2006-08-24 Jan Hubicka <jh@suse.cz>
1150 * predict.c (probability_reliable_p): New predicate.
1151 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
1152 (predict_loops): Do not predict loop exit with less than 2%
1154 * basic-block.h (edge_probability_reliable_p,
1155 br_prob_note_reliable_p): Declare.
1156 * ia64.h (ia64_print_operand): Do not disable on-chip branch
1157 prediction when static predictor is not reliable.
1158 * rs6000.c (output_cbranch): Likewise.
1160 2006-08-23 Stuart Hastings <stuart@apple.com>
1163 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
1164 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
1166 2006-08-21 Geoffrey Keating <geoffk@apple.com>
1169 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
1170 complex values, nor for generic vector values.
1172 2006-08-22 Richard Guenther <rguenther@suse.de>
1175 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
1176 parameter. Convert arguments to arithmetic expression to the
1178 (analyze_scalar_evolution_1): Adjust caller.
1180 2006-08-22 Jan Hubicka <jh@suse.cz>
1182 Patch by Paolo Bonzini
1183 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
1186 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
1188 PR tree-optimization/28003
1189 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
1190 before grouping aliases.
1192 2006-08-22 Roger Sayle <roger@eyesopen.com>
1194 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
1195 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
1197 2006-08-21 Jason Merrill <jason@redhat.com>
1200 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
1201 wrapper. Loop to handle nested wrappers.
1202 (gimplify_bind_expr): Remove temp parameter.
1203 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
1204 and STATEMENT_LIST on the rhs.
1205 (gimplify_statement_list): Voidify the STATEMENT_LIST.
1206 (gimplify_expr): Pass pre_p to gimplify_statement_list.
1207 (gimplify_target_expr): Remove special BIND_EXPR handling.
1209 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
1211 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
1214 2006-08-21 Olivier Hainque <hainque@adacore.com>
1216 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
1217 Arrange for the temporary captures of components overlapping the lhs
1218 to happen before the lhs is possibly cleared.
1220 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
1222 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
1223 necessary places to pass the correct "number of registers" values
1226 2006-08-20 Jan Hubicka <jh@suse.cz>
1228 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
1229 (create_name_tags): Instead of quadratic checking use hashtable.
1230 * bitmap.h: Include hashtab.h.
1231 (bitmap_hash): Declare.
1232 * bitmap.c (bitmap_hash): New function.
1234 2006-08-20 Jan Hubicka <jh@suse.cz>
1236 PR rtl-optimization/28071
1237 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
1239 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
1240 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
1241 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
1242 cgraph_decide_inlining_incrementally): Update use of
1243 cgraph_check_inline_limits.
1244 * cgraph.c (edge_hash, edge_eq): New function.
1245 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
1246 cgraph_edge_remove_caller, cgraph_node_remove_callees,
1247 cgraph_remove_node): Maintain call site hash.
1248 * cgraph.h (struct cgraph_node): Add call_site_hash.
1249 (cgraph_set_call_stmt): New function.
1251 2006-08-20 Jan Hubicka <jh@suse.cz>
1253 PR rtl-optimization/28071
1254 * reload1.c (reg_has_output_reload): Turn into regset.
1255 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
1256 choose_reload_regs, emit_reload_insns): Update to new
1257 reg_has_output_reload.
1259 2006-08-20 Jan Hubicka <jh@suse.cz>
1262 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
1263 function body sizes.
1264 * cgraphunit.c (cgraph_analyze_function): Don't do so.
1266 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
1269 * tree.c (handle_dll_attribute): Return early if not a
1270 var or function decl.
1272 2006-08-18 Joseph Myers <joseph@codesourcery.com>
1275 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
1276 alignment of SPE vector types.
1278 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
1280 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
1282 2006-08-17 Jakub Jelinek <jakub@redhat.com>
1285 * cgraph.h (struct cgraph_node): Remove externally_visible
1287 * cgraphunit.c (process_function_and_variable_attributes): Set
1288 local.externally_visible rather than externally_visible.
1291 * c-common.c (handle_externally_visible_attribute): First look
1292 at TREE_CODE and only if it is function or var decl, check for
1293 non-public objects. Don't warn for DECL_EXTERNAL.
1294 * cgraphunit.c (process_function_and_variable_attributes): Warn
1295 if externally_visible attribute is used on non-public object.
1297 2006-08-17 Jan Hubicka <jh@suse.cz>
1299 PR tree-optimization/27865
1300 * reload1.c (forget_marked_reloads): New function.
1301 (forget_old_reloads_1): When data are passed, just mark the registers
1303 (reload_as_needed): Use the new mechanizm.
1305 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
1308 * reload.h (reg_equiv_alt_mem_list): New declaration.
1309 * reload1.c (reg_equiv_alt_mem_list): New definition.
1310 (reload): Initialize it and release it.
1311 (delete_output_reload): Use it.
1312 * reload.c (push_reg_equiv_alt_mem): New function.
1313 (find_reloads_toplev): Call it.
1314 (find_reloads_address, find_reloads_address_1): Likewise.
1315 (find_reloads_subreg_address): Likewise.
1317 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1319 PR rtl-optimization/28489
1320 * sched-ebb.c (begin_schedule_ready): Create basic block
1322 (advance_target_bb): Skip empty blocks.
1323 * haifa-sched.c (bb_note): Make global.
1324 * sched-int.h (bb_note): Add prototype.
1326 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1328 PR tree-optimization/27865
1329 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
1331 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
1332 fold_used_pointer, pointer_used_p): New functions.
1333 (analyze_scalar_evolution_1): Use fold_used_pointer.
1334 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
1335 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
1338 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
1341 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
1342 or the INTEGER_CST. Fail on a CALL_EXPR.
1343 (fold_offsetof): Pass new argument to fold_offsetof_1.
1344 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
1345 operand into an INDIRECT_REF.
1346 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
1348 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1350 PR gcov/profile/26570
1351 * value-prof.c (static_values): Removed.
1352 (tree_find_values_to_profile): Do not set static_values.
1353 (find_values_to_profile): Do not free static_values.
1354 * profile.c (instrument_values): Do not free the values.
1355 (branch_prob): Free the values.
1357 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
1359 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
1361 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
1364 * c-typeck.c (build_component_ref): Combine qualifiers of
1365 structure or union and field.
1367 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1369 PR rtl-optimization/28071
1370 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
1371 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
1372 * tree-into-ssa.c (struct dom_dfsnum): New.
1373 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
1375 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
1376 compute_global_livein.
1377 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
1378 in phi nodes in the correct blocks.
1380 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1382 PR tree-optimization/28364
1383 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
1385 (fold_affine_expr): New function.
1386 (may_eliminate_iv): Use fold_affine_expr.
1388 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1391 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
1394 2006-08-16 Mike Stump <mrs@apple.com>
1396 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
1397 * doc/cppopts.texi (-MD): Likewise.
1399 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
1402 * c-common.c (handle_weak_attribute): Ignore and warn if
1403 not a FUNCTION_ or VAR_DECL.
1405 2006-07-15 Mike Stump <mrs@apple.com>
1408 * c-parser.c (c_parser_typeof_specifier): Don't use
1409 c_finish_expr_stmt, open code desired semantics instead.
1411 2006-08-15 Nick Clifton <nickc@redhat.com>
1413 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
1414 fragment to tmake_file only if threads are enabled.
1415 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
1416 * config/i386/t-gthr-win32: New file. ... here.
1418 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1421 * c-parser.c (c_parser_compound_statement_nostart): Reset
1422 parser->error after each statement.
1424 2006-08-15 Jakub Jelinek <jakub@redhat.com>
1427 * omp-low.c (lower_omp_parallel): Convert t to
1428 receiver_decl's type.
1429 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
1430 source before comparison.
1433 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
1434 to itype in assignment to oldival2.
1436 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
1440 * c-typeck.c (build_compound_expr): If the second expression
1441 is an error mark, then just return an error mark instead of
1442 creating a COMPOUND_EXPR.
1444 2006-07-14 Mike Stump <mrs@apple.com>
1446 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
1448 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
1450 * c-decl.c, var-tracking.c: Fix comment typos.
1452 2006-08-14 Richard Sandiford <richard@codesourcery.com>
1454 PR rtl-optimization/28634
1455 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
1456 for floating-point modes unless flag_unsafe_math_optimizations.
1458 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
1459 Andrew Pinski <pinskia@physics.uc.edu>
1462 * tree.c (build_array_type): Unify array types with
1463 unspecified index_type.
1464 * c-decl.c (grokdeclarator): Make sure we do not modify a
1465 unified incomplete array type.
1466 * c-typeck.c (store_init_value): Create distinct type before
1467 filling in the index type in an initializer from a compound
1470 * c-decl.c (grokdeclarator): Remove code where we copy the
1473 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
1475 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
1476 into account for TODO_dump_cgraph.
1477 (TODO_update_ssa_no_phi): Likewise.
1478 (TODO_update_ssa_full_phi): Likewise.
1479 (TODO_update_ssa_only_virtuals): Likewise.
1480 (TODO_remove_unused_locals): Likewise.
1481 (TODO_set_props): Likewise.
1482 (TODO_update_stmt_usage): Likewise.
1484 2006-08-13 Dirk Mueller <dmueller@suse.de>
1486 * c-common.c (strict_aliasing_warning): Fix formatting.
1488 2006-08-13 Matthias Klose <doko@debian.org>
1490 * doc/invoke.texi: Fix spelling errors.
1492 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1494 PR rtl-optimization/23454
1495 * reorg.c (relax_delay_slots): Update comment.
1497 2006-08-11 Richard Guenther <rguenther@suse.de>
1500 * simplify-rtx.c (simplify_const_relational_operation):
1501 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
1504 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
1506 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
1507 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
1509 2006-08-10 Paul Brook <paul@codesourcery.com>
1511 * final.c (final_scan_insn): Clear current_insn_predicate before
1512 outputting inline asm.
1514 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
1516 PR tree-optimization/26197
1517 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
1518 get_ref_base_and_extent and overlap_subvar to add only relevant
1519 subvars as may-aliases.
1520 (add_may_alias_for_new_tag): New function, factored out of
1522 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
1523 with additional argument.
1524 * tree-flow.h (new_type_alias): Takes additional argument.
1526 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
1528 * gcov.c (no_data_file): New flag.
1529 (read_count_file): Set it if data file not present. Assume counts
1531 (output_lines): Don't name the data file, if there wasn't one.
1533 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
1535 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
1536 (rs6000_generate_compare): Tweak comments.
1537 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
1539 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
1541 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
1542 (var_debug_decl): New function.
1543 (var_reg_set): Follow debug decl link. Add location even if
1544 reg is already known to hold some other variable.
1545 (var_mem_set): Follow debug decl link.
1546 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
1547 decl link. Delete other known locations of the variable part
1549 (var_reg_delete, var_mem_delete): Delete other known locations
1550 of the variable part if requested.
1551 (same_variable_part_p): New function.
1552 (add_stores): Select MO_COPY when appropriate.
1553 (vt_initialize): Handle it.
1554 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
1555 known locations for MO_SET and MO_CLOBBER.
1556 (find_variable_location_part): New function.
1557 (set_variable_part, delete_variable_part): Use it.
1558 (clobber_variable_part): New function.
1559 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
1562 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
1564 PR tree-optimization/26969
1565 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
1566 with an empty list of PHIs.
1568 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
1572 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
1575 2006-08-06 Andreas Schwab <schwab@suse.de>
1577 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
1578 string. Whitespace and comment fixup.
1580 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1583 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
1587 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
1590 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
1592 2006-08-04 Jan Hubicka <jh@suse.cz>
1596 * reload.c (push_reload): Patch out the mismatching instruction;
1598 (find_reload): Bail out if the instruction was patched out.
1600 2006-08-04 Jan Hubicka <jh@suse.cz>
1602 PR tree-optimization/24888
1603 * tree-inline.c (expand_call_inline): Do not re-record variables.
1604 (declare_inline_vars): Add variable to unexpanded_var_list.
1606 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1607 Roger Sayle <roger@eyesopen.com>
1609 PR rtl-optimization/26244
1610 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
1611 inner_const are negative or greater than or equal to the bitsize of
1612 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
1613 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
1614 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
1615 CONST0_RTX (mode) when the new shift count is greater than or equal to
1616 to the bitsize of the object being shifted and XEXP (y, 0) has no side
1619 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
1621 * tree-cfg.c: Fix a comment typo.
1623 2006-08-03 Mark Mitchell <mark@codesourcery.com>
1626 * varasm.c (output_constant): Give the front end another chance to
1627 expand constants, after stripping NOPs.
1629 2006-08-03 Jan Hubicka <jh@suse.cz>
1631 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
1634 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
1636 PR tree-optimization/27770
1637 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
1638 declaration removed (moved to tree-flow.h).
1639 (vect_can_force_dr_alignment_p): Likewise.
1640 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
1641 (moved from tree-vectorizer.h).
1642 (vect_can_force_dr_alignment_p): Likewise.
1643 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
1644 from outside the vectorizer - in particular from cgraph stage.
1645 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
1646 the alignment of global arrays when -fsection-anchors is enabled.
1647 * cgraphunit.c (cgraph_increase_alignment): New function.
1648 (cgraph_optimize): Call cgraph_increase_alignment.
1650 2006-08-03 David Edelsohn <edelsohn@gnu.org>
1653 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
1654 not reload a SPE symbol_ref into a lo_sum address.
1656 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
1659 * dwarf2out.c (prune_unused_types_prune): Move call to
1660 prune_unused_types_update_strings to cover the parent DIE also.
1662 2006-08-02 Jan Hubicka <jh@suse.cz>
1664 PR gcov/profile/28480
1665 * tree-cfg.c (change_bb_for_stmt): New function.
1666 (tree_merge_blocks, tree_split_blocks): Use it.
1668 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1674 * toplev.c (compile_file): Return early on errorcount or sorrycount.
1675 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
1676 (cgraph_optimize): Likewise.
1678 2006-08-01 Stuart Hastings <stuart@apple.com>
1680 * rtl.h (UINTVAL) New.
1681 * config/rs6000/rs6000.c (SMALL_INT) Use it.
1682 * testsuite/gcc.dg/20060801-1.c: New.
1684 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
1687 * c-typeck.c (build_external_type): Mark used enum types.
1688 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
1690 (gen_subprogram_die): Whitespace fix.
1692 2006-08-01 Jan Hubicka <jh@suse.cz>
1694 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
1695 bitmap when not needed.
1696 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
1699 2006-08-01 Dirk Mueller <dmueller@suse.de>
1701 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
1703 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1705 * Makefile.in: Revert part of previous patch:
1706 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
1709 2006-07-30 Eric Christopher <echristo@apple.com>
1712 * doc/extend.texi (i386 Variable Attributes): Add anchor.
1713 (PowerPC Variable Attributes): New section.
1715 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
1717 PR target/28126 (partial fix)
1718 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
1720 2006-07-28 Jan Hubicka <jh@suse.cz>
1722 PR rtl-optimization/28071
1723 * cfgrtl.c (rtl_delete_block): Free regsets.
1724 * flow.c (allocate_bb_life_data): Re-use regsets if available.
1726 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1728 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
1729 and variables used in dependencies.
1731 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
1733 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
1734 %fs for -mcmodel=kernel.
1735 (stack_tls_protect_test_di): Likewise.
1737 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
1739 * Makefile.in: Use mkinstalldirs.
1741 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
1744 * opts-common.c (prune_options): Skip joined switches.
1746 2006-07-27 Jan Hubicka <jh@suse.cz>
1748 PR rtl-optimization/28071
1749 * cselib.c (cselib_process_insn): Don't remove useless values too
1750 often for very large hashtables.
1752 2006-07-27 Jan Hubicka <jh@suse.cz>
1754 PR rtl-optimization/28071
1755 * global.c (greg_obstack): New obstack.
1756 (allocate_bb_info): Use it.
1757 (free_bb_info): Likewise.
1758 (modify_reg_pav): Likewise.
1760 2006-07-27 Roger Sayle <roger@eyesopen.com>
1762 * builtins.c (fold_fixed_mathfn): When long and long long are the
1763 same size, canonicalize llceil*, llfloor*, llround* and llrint*
1764 functions to their lceil*, lfloor*, lround* and lrint* forms.
1766 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1769 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
1771 (rev_branch_insn): Likewise.
1773 2006-07-27 Jan Hubicka <jh@suse.cz>
1775 PR rtl-optimization/28071
1776 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
1777 (reg_set_in_bb, max_reg_computed): New static variables.
1778 (regmove_optimize): Free the new array.
1779 (fixup_match_1): Update call of reg_is_remote_constant_p.
1781 2006-07-26 Jan Hubicka <jh@suse.cz>
1783 PR tree-optimization/27882
1784 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
1786 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
1788 (cgraph_analyze_compilation_unit): Likewise.
1789 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
1790 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
1791 (cgraph_early_inlinine): Make order garbage collected.
1792 * Makefile.in (gt-ipa-inline): New garbagecollected file.
1794 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1796 * dbxout.c (output_types_sort): Add a comment.
1797 (output_used_types): Free the VEC.
1799 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1801 * function.c (reorder_fix_fragments): Delete.
1802 (reorder_blocks): Don't call it.
1803 (reorder_blocks_1): Put all subblocks under the origin block.
1805 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
1807 PR rtl-optimization/27907
1808 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
1811 2006-07-25 Roger Sayle <roger@eyesopen.com>
1814 * convert.c (convert_to_integer): When transforming (T)foo(x) into
1815 bar(x) check that bar's result type can represent all the values of T.
1817 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
1819 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
1821 2006-07-25 Nick Clifton <nickc@redhat.com>
1823 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
1824 size_lookup[] array.
1825 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
1826 (ggc_pch_count_object): Likewise.
1827 (ggc_pch_alloc_object): Likewise.
1828 (ggc_pch_write_object): Likewise.
1829 (init_ggc): Do not attempt to initialize entries in the
1830 size_lookup[] array for objects whose size is greater than than
1831 the length of the array.
1833 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
1835 * dbxout.c (output_used_types_helper): Push queued types
1837 (output_types_sort): New.
1838 (output_used_types): Collect used types on a VEC and sort them
1841 2006-07-24 Richard Guenther <rguenther@suse.de>
1844 * cgraph.c (cgraph_remove_node): Do not check if dumps
1846 * cgraphunit.c (cgraph_optimize): Likewise.
1848 2006-07-24 Jan Hubicka <jh@suse.cz>
1850 PR rtl-optimization/28071
1851 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
1852 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
1853 splitting before first stmt.
1855 2006-07-24 Jan Hubicka <jh@suse.cz>
1857 PR rtl-optimization/28071
1858 * ipa-inline.c (update_caller_keys): Remove edges that
1859 are no longer inline candidates.
1861 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
1864 * dbxout.c (output_used_types_helper, output_used_types): New.
1865 (dbxout_symbol): Call output_used_types.
1867 2006-07-23 Jan Hubicka <jh@suse.cz>
1871 * cgraph.c (cgraph_varpool_nodes): Export.
1872 (decide_is_variable_needed): Ignored "used" attribute in
1873 unit-at-a-time mode.
1874 * cgraph.h (cgraph_varpool_nodes): Declare.
1875 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
1876 unit-at-a-time mode.
1878 2006-07-23 Roger Sayle <roger@eyesopen.com>
1881 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
1882 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
1883 the __gthrw form of thr_keycreate.
1884 (__gthread_key_delete): Silence the unused argument warning.
1886 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
1889 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
1890 Cache the last found '\0' marker to avoid quadratic behavior.
1892 2006-07-23 Jan Hubicka <jh@suse.cz>
1894 * i386.md (subsi_3_zext): Fix output template.
1896 2006-07-21 Mike Stump <mrs@apple.com>
1898 * doc/invoke.texi (C++ Dialect Options): Note that
1899 -fvisibility-inlines-hidden doesn't affect explicitly
1900 instantiationed inline methods.
1902 2006-07-20 Roger Sayle <roger@eyesopen.com>
1904 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
1905 if the target assembler is GNU binutils' gas.
1906 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
1907 whether to pass GNU gas or native as command line options.
1909 2006-07-20 Jason Merrill <jason@redhat.com>
1911 * tree.c (remove_attribute): New fn.
1912 * tree.h: Declare it.
1914 2006-07-20 Paul Brook <paul@codesourcery.com>
1917 * cse.c (cse_insn): Add destination addresses to hash table. Check if
1918 they are invalidated by this instruction.
1920 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
1923 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
1925 2006-07-20 Eric Christopher <echristo@apple.com>
1928 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
1930 2006-07-19 Eric Christopher <echristo@apple.com>
1932 * config/t-slibgcc-darwin (stmp-lipo): Remove.
1933 Rewrite dependencies for libgcc_s.1.dylib.
1935 2006-07-19 Jakub Jelinek <jakub@redhat.com>
1937 * except.c (duplicate_eh_regions_1): Clear next_peer.
1939 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
1941 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
1942 -mlongcall does not guarantee all calls will be long.
1943 * doc/extend.texi (long_call/short_call): Document that longcall
1944 does not guarantee a long call will be used.
1945 (longcall/shortcall): Likewise.
1947 2006-07-18 Roger Sayle <roger@eyesopen.com>
1950 * expmed.c (expand_shift): Additionally check that the shift_cost
1951 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
1952 before implementing a LSHIFT_EXPR as a sequence of additions.
1953 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
1954 middle-end that DImode shifts need to be synthesized by expand.
1956 2006-07-18 Diego Novillo <dnovillo@redhat.com>
1959 * tree-ssa-operands.c (access_can_touch_variable): Update
1961 Return true if ALIAS is .GLOBAL_VAR.
1963 2006-07-18 David Daney <ddaney@avtrex.com>
1965 * gcc.c (display_help): Fix typo in help text.
1967 2006-07-18 Olivier Hainque <hainque@adacore.com>
1969 * tree.h (categorize_ctor_elements): Adjust prototype and add
1970 descriptive comment, both in accordance with the interface change
1972 * varasm.c (constructor_static_from_elts_p): New function.
1973 Whether a constructor node is a valid static constant initializer
1974 if all its elements are.
1975 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
1976 * output.h: Declare it.
1977 * expr.c (categorize_ctor_elements_1): Return whether the constructor
1978 is a valid constant initializer instead of computing the number of
1979 non-constant elements. Use constructor_static_from_elts_p for this
1980 purpose. Replace the head comment with an indication that this is a
1981 helper for categorize_ctor_elements.
1982 (categorize_ctor_elements): Same interface change as for the _1
1983 helper. Former head comment from this helper moved here, adjusted to
1984 account for the interface changes.
1985 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
1986 (all_zeros_p): Likewise.
1987 * gimplify.c (gimplify_init_constructor): Decide whether we can make
1988 static versions of the constructor from the categorize_ctor_elements
1989 return value instead of the formerly computed number of non-constant
1992 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
1994 * configure: Regenerate.
1995 * Makefile.in (build_libsubdir): New configure substitution
1996 (build_libobjdir): New variable.
1997 (BUILD_LIBIBERTY): Use it.
1999 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2002 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
2004 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
2007 * c-common.c (handle_weakref_attribute): Ignore attribute in
2008 the same conditions the alias attribute is ignored.
2010 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
2012 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
2013 (dbxout_begin_prologue): Increment scope_labelno.
2015 2006-07-17 Richard Henderson <rth@redhat.com>
2018 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
2021 2006-07-17 Roger Sayle <roger@eyesopen.com>
2022 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2024 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
2025 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
2026 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
2027 functions such as sbrk, write, etc.. Add function prototypes.
2028 Convert function declarations from K&R to ISO C. Cast pointers
2029 to "long" and "unsigned long" instead of "int" and "unsigned int".
2030 Convert tokens following #endif into comments.
2032 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
2034 * invoke.texi: Remove mention of f77; Reformat table for
2035 inline parameter options correctly; mention that -malign-double
2036 is default on x86-64 targets.
2038 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
2040 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
2041 (convert_affine_scev, chrec_convert_aggressive): Use
2042 avoid_arithmetics_in_type_p. Do not check for the subtypes
2045 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2048 * optabs.c (expand_doubleword_shift): Wrap the call to
2049 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
2051 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2054 * optabs.c (expand_binop): Pass next_methods rather than methods
2055 to expand_doubleword_shift.
2057 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
2060 * tree.h (dump_addr): Declare.
2061 * print-tree.c (dump_addr): New function.
2062 (print_node_brief, print_node): Use it.
2063 * print-rtl.c (print_rtx): Likewise.
2064 * common.opt (-fdump-noaddr): New option.
2065 * doc/invoke.texi (-fdump-noaddr): Document.
2066 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
2067 (ve_info_hash): Likewise.
2069 2006-07-13 Andrew Haley <aph@redhat.com>
2071 PR tree-optimization/19505
2072 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
2073 edge leaving this block, make sure that the destination of this
2074 block has only one predecessor.
2076 2006-07-17 Richard Guenther <rguenther@suse.de>
2078 PR tree-optimization/28238
2079 * tree-inline.c (copy_bb): Check if we produced valid
2080 gimple copying and substituting a stmt. If not, gimplify
2083 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
2085 * optabs.c (maybe_encapsulate_block): New function extracted from...
2086 (emit_libcall_block): ...here. Invoke it on the block of insns to
2087 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
2088 (emit_no_conflict_block): Likewise.
2090 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
2092 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
2094 2006-07-15 Roger Sayle <roger@eyesopen.com>
2096 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
2097 a new NOP_EXPR case of the switch statement.
2099 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
2102 * stor-layout.c (place_field): Take the bit field with
2103 an excessive size into account in the ms-bitfiled case.
2106 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
2107 the previous bit field.
2109 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
2112 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
2114 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
2116 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
2117 signal frames correctly even when the signal was installed with
2120 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
2122 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
2123 (dbxout_function_end): Use local label LFBB. Remove hook
2125 (dbxout_source_line): Use local label LFBB.
2126 (dbxout_block): Likewise.
2127 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
2128 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
2129 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
2130 and DBX_OUTPUT_NFUN.
2132 2006-07-13 Janis Johnson <janis187@us.ibm.com>
2134 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
2136 2006-07-13 Jan Hubicka <jh@suse.cz>
2138 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
2140 * output.h (align_variable): Declare.
2141 * varasm.c (align_variable): Export.
2142 * value-prof.c (tree_value_profile_transformations): Recompute iterator
2143 when basic block changed.
2145 2006-07-13 Nick Clifton <nickc@redhat.com>
2147 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
2148 walking the LOG_LINKS chain.
2150 2006-07-12 Geoffrey Keating <geoffk@apple.com>
2152 * doc/invoke.texi (C++ Dialect Options): Explain difference
2153 between -fvisibility-inlines-hidden and setting hidden
2154 visibility explicitly.
2156 2006-07-12 Eric Christopher <echristo@apple.com>
2158 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
2159 (stmp-lipo): Depend on libgcc.a.
2161 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
2163 * tree.c: Fix a comment typo.
2165 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
2167 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
2169 (umulhisi3_r): Likewise.
2171 2006-07-12 Paolo Carlini <pcarlini@suse.de>
2174 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
2175 x < 19, vs wchar_t support.
2177 2006-07-12 Nick Clifton <nickc@redhat.com>
2179 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
2180 instead of -isa=sh4.
2182 2006-07-12 Mike Stump <mrs@apple.com>
2184 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
2186 2006-07-10 Eric Christopher <echristo@apple.com>
2188 * config/t-slibgcc-darwin: Rewrite.
2190 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2193 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
2196 2006-07-08 Matthias Klose <doko@debian.org>
2198 * doc/sourcebuild.texi: Fix typo.
2200 2006-07-07 Mike Stump <mrs@apple.com>
2202 * toplev.c (process_options): Don't give -ffunction-sections may
2203 affect debugging warning for Mach-O.
2205 2006-07-07 James E Wilson <wilson@specifix.com>
2207 * config/mips/mips.md (cpu): Add sb1a.
2208 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
2209 addition to sb1. Adjust comments to clarify SB-1A differences from
2211 (ir_sb1a_load): New. Modify bypasses to use it.
2212 (ir_sb1a_simple_alu): Likewise.
2213 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
2214 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
2215 (mips_issue_rate): Add PROCESSOR_SB1A.
2216 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
2217 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
2218 (TARGET_SB1): Add PROCESSOR_SB1A check.
2219 (TUNE_SB1): Likewise.
2221 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
2222 * config/mips/mips.c (mips_store_data_bypass_p): New.
2223 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
2224 store_data_bypass_p.
2226 2006-07-08 Paul Brook <paul@codesourcery.com>
2229 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
2231 2006-07-07 Richard Guenther <rguenther@suse.de>
2234 * tree.h (build_one_cst): Declare.
2235 * tree.c (build_one_cst): New function.
2236 * tree-ssa-math-opts.c (get_constant_one): Remove.
2237 (insert_reciprocals): Use build_one_cst.
2238 * fold-const.c (fold_plusminus_mult): Likewise.
2240 2006-07-07 Roger Sayle <roger@eyesopen.com>
2242 * pointer-set.c (pointer_set_destroy): Correct whitespace.
2243 * cfgloopanal.c (dump_graph): Likewise.
2244 * dojump.c (discard_pending_stack_adjust): Likewise.
2245 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
2247 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
2248 * function.c (finalize_block_changes): Likewise.
2249 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
2250 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
2251 * rtl.c (dump_rtx_statistics): Likewise.
2252 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
2254 * varray.c (dump_varray_statistics): Likewise.
2255 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
2256 decode_decimal64, encode_decimal128, decode_decimal128,
2257 decimal_real_to_decimal): Likewise.
2259 2006-07-07 Richard Guenther <rguenther@suse.de>
2261 PR tree-optimization/28187
2262 * tree-vrp.c (vrp_operand_equal_p): New function.
2263 (vrp_bitmap_equal_p): Likewise.
2264 (update_value_range): Use them to compare old and new
2267 2006-07-06 Roger Sayle <roger@eyesopen.com>
2269 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
2270 a default case to switch statement to silence compiler warnings.
2272 2006-07-06 Roger Sayle <roger@eyesopen.com>
2275 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
2276 the configured assembler supports the x87's ffreep mnemonic.
2277 * configure: Regenerate.
2278 * config.in: Regenerate.
2280 * config/i386/i386.c (output_387_ffreep): New function.
2281 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
2282 (output_387_reg_move): Likewise.
2284 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
2286 Port to hosts whose 'sort' and 'tail' implementations
2287 treat operands with leading '+' as file names, as POSIX
2288 has required since 2001. However, make sure the code still
2289 works on pre-POSIX hosts.
2290 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
2291 which says you should use "tail -c +N" rather than "tail +Nc".
2292 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
2294 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
2296 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
2299 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2302 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
2303 PRE_{INC,DEC} of TFmode.
2305 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2306 Alan Modra <amodra@bigpond.net.au>
2309 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
2312 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2315 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
2316 Remove duplicate gtu.
2318 2006-07-05 Jason Merrill <jason@redhat.com>
2322 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
2323 * c-common.c (handle_packed_attribute): So don't copy it here.
2324 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
2326 2006-07-05 Mike Stump <mrs@apple.com>
2328 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
2330 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
2333 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
2335 2006-07-05 Richard Guenther <rguenther@suse.de>
2338 * config/i386/i386.md (*negdf2_1): Restrict pattern to
2339 TARGET_SSE2 targets if using SSE math.
2340 (*absdf2_1): Likewise.
2342 2006-07-05 Richard Guenther <rguenther@suse.de>
2344 PR tree-optimization/28162
2345 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
2346 make sure to convert the operands to the correct type.
2348 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
2350 PR tree-optimization/28218
2352 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
2353 to calculate and free the dominator information.
2355 2006-07-04 Peter O'Gorman <peter@pogma.com>
2357 * mklibgcc.in: chmod 644 before ranlib during install.
2359 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2360 J"orn Rennecke <joern.rennecke@st.com>
2362 * configure.ac (.eh_frame data check): Use diff -b.
2364 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2367 * Makefile.in (BUILD_RTL): Add build/vec.o.
2368 (build/gencondmd.o): Filter out -fkeep-inline-functions.
2369 (build/genextract): Delete.
2370 (build/genautomata): Likewise.
2372 2006-07-04 Alan Modra <amodra@bigpond.net.au>
2375 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
2376 128-bit IBM long doubles for ABI_V4.
2378 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
2380 * tree.c (range_in_array_bounds_p): New predicate.
2381 * tree.h (range_in_array_bounds_p): Declare it.
2382 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
2383 return a less conservative answer.
2384 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
2385 and flag 'is_group'.
2386 (IS_ELEMENT_FOR_GROUP): New macro.
2387 (FOR_EACH_ACTUAL_CHILD): Likewise.
2388 (next_child_for_group): New helper function.
2389 (can_completely_scalarize_p): Take into account groups.
2390 (sra_hash_tree): Handle RANGE_EXPR.
2391 (sra_elt_eq): Likewise.
2392 (lookup_element): Be prepared for handling groups.
2393 (is_valid_const_index): Delete.
2394 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
2395 instead of is_valid_const_index.
2396 <ARRAY_RANGE_REF>: New case.
2397 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
2398 is_valid_const_index.
2399 <ARRAY_RANGE_REF>: Do not unconditionally punt.
2400 (scan_dump): Dump info for groups too.
2401 (decide_instantiation_1): Likewise.
2402 (decide_block_copy): Assert that the element is not a group.
2403 Propagate decision to groups.
2404 (generate_one_element_ref): Handle RANGE_EXPR.
2405 (mark_no_warning): Iterate over actual childs.
2406 (generate_copy_inout): Likewise.
2407 (generate_element_copy): Likewise.
2408 (generate_element_zero): Likewise.
2409 (generate_element_init_1): Likewise.
2410 (dump_sra_elt_name): Handle RANGE_EXPR.
2412 2006-07-03 Roger Sayle <roger@eyesopen.com>
2414 PR tree-optimization/26251
2415 * tree-ssa-threadupdate.c (redirection_block_p): New function.
2416 (thread_block): When optimizing for size refuse to thread jumps
2417 that would require duplication of blocks other than redirection
2420 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2422 * configure.ac: Fix thinko in previous check-in.
2423 * configure: Regenerate.
2425 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2428 * configure.ac (for lang...): Simplify nesting of conditionals.
2429 Test subdir_requires for non-enabled languages. Move processing
2430 of lang_opt_files and lang_tree_fiels below that test.
2431 * configure: Regenerate.
2432 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
2434 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
2436 * doc/gcov.texi (Invoking Gcov): Add a missing word.
2438 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
2440 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
2443 2006-06-29 Jason Merrill <jason@redhat.com>
2450 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
2451 * c-common.c (c_determine_visibility): Handle it here.
2452 * c-decl.c (finish_decl): Call c_determine_visibility for
2454 * flags.h (enum symbol_visibility): Sort from most to least visibility.
2456 * varasm.c (default_assemble_visibility): Likewise.
2457 * c-common.c (handle_visibility_attribute): Complain about trying
2458 to give visibility to an already defined class, or trying to change
2459 declared visibility. Always attach the attribute.
2464 * attribs.c (decl_attributes): Ignore type-in-place attributes
2465 once the type has been defined.
2467 2006-06-29 Roger Sayle <roger@eyesopen.com>
2470 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
2471 to indicate the cpplib has issued an error message for us.
2473 2006-06-29 Asher Langton <langton2@llnl.gov>
2476 * config/i386/i386.c (ix86_output_function_epilogue): Don't
2477 insert a label at the end of an function under Mach-O.
2479 2006-06-29 Eric Christopher <echristo@apple.com>
2480 Evan Cheng <evan.cheng@apple.com>
2482 * predicates.md (vector_all_ones_operand): New.
2483 (nonimmediate_or_sse_const_operand): Ditto.
2484 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
2485 * config/i386/i386.c (standard_sse_constant_opcode): Define.
2486 (standard_sse_mode_p): Ditto.
2487 (standard_sse_constant_p): Add case for -1 vector.
2488 (ix86_expand_vector_move): Try to use.
2489 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
2490 Call standard_sse_constant_opcode.
2491 (*movv4sf_internal): Ditto.
2492 (*movv2df_internal): Ditto.
2494 2006-06-29 Roger Sayle <roger@eyesopen.com>
2496 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
2497 of XEXP to extract the operands of a MATCH_CODE rtx.
2499 2006-06-28 Andrew Pinski <pinskia@gmail.com>
2501 * tree.c (tree_size): Do not waste tail padding in
2502 struct tree_string and make the size be the same as
2503 build_string will generate.
2505 2006-06-28 Jason Merrill <jason@redhat.com>
2508 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
2509 may_aliases already in the tag's annotations to the bitmap.
2511 2006-06-28 Roger Sayle <roger@eyesopen.com>
2513 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
2515 2006-06-28 Roger Sayle <roger@eyesopen.com>
2517 * genpreds.c (generate_switch_p): New function.
2518 (add_mode_tests): Push the new mode test down inside an AND expr
2519 if this allows the switch-suitable MATCH_CODE to be near the root.
2520 (write_match_code_switch): New function to write a MATCH_CODE as
2522 (write_predicate_stmts): New function to write a predicate RTX
2523 expression as a sequence of statements.
2524 (write_one_predicate_function): Use write_predicate_stmts.
2525 (write_tm_constrs_h): Likewise.
2527 2006-06-26 Fred Fish <fnf@specifix.com>
2529 * config/mips/t-sb1: New file.
2530 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
2533 2006-06-26 DJ Delorie <dj@redhat.com>
2535 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
2537 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
2538 Jayant Sonar <jayants@kpitcummins.com>
2539 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
2541 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
2542 (subsi3, subsi3_1, subsi3_2): New.
2543 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
2544 * config/m32c/mov.md (SI mov peephole): New.
2545 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
2546 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
2548 2006-06-26 Olivier Hainque <hainque@adacore.com>
2550 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
2551 a CALL_EXPR target function declaration.
2553 2006-06-26 Richard Guenther <rguenther@suse.de>
2555 * tree.c (build_string): Do not waste tail padding in
2558 2006-06-26 Richard Guenther <rguenther@suse.de>
2560 * ggc-page.c (init_ggc): Add missing element to size_lookup
2564 2006-06-23 Richard Guenther <rguenther@suse.de>
2566 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2567 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2568 alignment requests instead. Add verification code.
2569 Add struct tree_function_decl and struct tree_binfo size to
2570 extra_order_size_table. Add missing element to size_lookup
2573 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
2576 * fold-const.c (const_binop): Be prepared for self returning zero.
2577 Simplify code handling complex values.
2579 2006-06-24 Olivier Hainque <hainque@adacore.com>
2581 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
2582 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
2585 2006-06-24 Olivier Hainque <hainque@adacore.com>
2587 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
2588 ARRAY_REF, so have the callback called for the low bound expression.
2590 2006-06-23 Janis Johnson <janis187@us.ibm.com>
2592 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
2593 * c-typeck.c (c_common_type): Disallow operations on decimal float
2594 types and other float types.
2595 * convert.c (convert_to_real): Don't ignore conversions involving
2596 decimal float types.
2598 2006-06-23 Olivier Hainque <hainque@adacore.com>
2600 * tree.c (max_int_size_in_bytes): New function, inspired from
2601 code in function.c:assign_temp.
2602 * tree.h (max_int_size_in_bytes): Declare.
2603 * function.c (assign_temp): Use it.
2604 * gimplify.c (create_tmp_var): Relax the assertions on the type
2605 properties, not mandating constant size any more.
2606 (force_constant_size): New static function.
2607 (gimple_add_tmp_var): Use it, forcing variable size to a
2608 constant upper bound if it is not constant on entry.
2610 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
2613 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
2614 for initialization and setting of one_only flag to ...
2615 (i386_pe_encode_section_info): ...here.
2616 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
2617 Recheck that the symbol has not been defined.
2619 2006-06-23 Richard Guenther <rguenther@suse.de>
2621 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2622 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2623 alignment requests instead. Add verification code.
2624 Add struct tree_function_decl and struct tree_binfo size to
2625 extra_order_size_table. Add missing element to size_lookup
2628 2006-06-22 Roger Sayle <roger@eyesopen.com>
2629 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2632 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
2633 call to lang_hooks.types.type_for_mode returned NULL_TREE.
2635 2006-06-23 Ben Elliston <bje@au.ibm.com>
2637 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
2638 negate dn -- manipulate it directly.
2640 2006-06-22 Roger Sayle <roger@eyesopen.com>
2641 Steven Bosscher <stevenb.gcc@gmail.com>
2644 * reload1.c (gen_reload): Call mark_jump_label on the new insns
2645 generated by gen_move_insn to add REG_LABEL notes if necessary.
2647 2006-06-22 Bob Wilson <bob.wilson@acm.org>
2649 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
2650 (leaf_entry): Remove use of MIN_ESA.
2652 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
2654 PR rtl-optimization/28121
2655 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
2658 2006-06-21 DJ Delorie <dj@redhat.com>
2660 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
2662 (mulhisi3_r): Likewise.
2664 2006-06-21 Richard Sandiford <richard@codesourcery.com>
2667 * coverage.c (coverage_counter_alloc): Leave the index type
2669 (coverage_counter_alloc): Use null arguments for operands 2 and 3
2672 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
2674 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
2675 section from the "Options for Code Generation Conventions".
2677 2006-06-21 Richard Henderson <rth@redhat.com>
2681 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
2683 (global_symbolic_operand): Allow weak symbols, even if local_p.
2685 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
2687 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
2688 (find_interesting_uses_address): Punt if above function returns true.
2690 2006-06-21 Richard Guenther <rguenther@suse.de>
2692 * configure: Regenerated.
2694 2006-06-21 Joseph Myers <joseph@codesourcery.com>
2696 * config/mips/mips.c (function_arg): Where one part of a
2697 complex argument is in registers and the other part in the stack,
2698 return a REG not a PARALLEL.
2700 2006-06-21 Mark Mitchell <mark@codesourcery.com>
2702 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
2703 when cross-compiling. Do not substitute libstdcxx_incdir.
2704 * configure: Regenerated.
2706 2006-06-21 Jakub Jelinek <jakub@redhat.com>
2708 * varasm.c (mergeable_string_section): Check for embedded NULs and
2709 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
2710 rather than TREE_STRING_LENGTH bytes.
2712 2006-06-21 Richard Guenther <rguenther@suse.de>
2714 * ggc-page.c (extra_order_size_table): Add var_ann_d,
2715 tree_ssa_name, bitmap_element and phi_node with 4 arguments
2718 2006-06-21 Richrad Guenther <rguenther@suse.de>
2720 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
2721 Limit iteration over the dominators.
2723 2006-06-20 Roger Sayle <roger@eyesopen.com>
2725 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
2726 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
2728 2006-06-20 Richard Guenther <rguenther@suse.de>
2729 Michael Matz <matz@suse.de>
2731 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
2733 * alloc-pool.c (free_alloc_pool_if_empty): New function.
2734 * et-forest.h (et_free_pools): Prototype new function.
2735 * et-forest.c (et_free_tree_force): Free parent occurrence.
2736 (et_free_pools): New function.
2737 * dominance.c (free_dominance_info): Free et-forest alloc
2740 2006-06-20 Roger Sayle <roger@eyesopen.com>
2742 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
2743 integer modes, attempt to directly construct an integer constant.
2745 * fold-const.c (native_encode_vector): Determine the size of each
2746 element from the vector type instead of the first vector element.
2748 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
2749 if all of its elements/components are constant.
2750 (build_constructor_from_list): Likewise.
2752 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
2754 PR tree-optimization/27331
2755 * tree-data-ref.c (free_data_ref): New function.
2756 (create_data_ref): Fail if the data reference has unknown access
2758 (free_data_refs): Use free_data_ref.
2760 2006-06-19 Andrew Pinski <pinskia@gmail.com>
2763 * tree-inline.c (setup_one_parameter): Strip useless
2764 type conversion before adding it to the IR.
2765 (declare_return_variable): Likewise.
2767 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
2770 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
2772 2006-06-19 Mike Stump <mrs@apple.com>
2774 * tree.c (variably_modified_type_p): VM arguments don't make the
2777 2006-06-19 Richard Guenther <rguenther@suse.de>
2779 * tree-ssa-pre.c (try_combine_conversion): Strip useless
2780 type conversions after folding.
2782 2006-06-19 Richard Guenther <rguenther@suse.de>
2784 * ggc-page.c (extra_order_size_tab): Add entries with
2785 size of struct function and basic_block.
2786 (size_lookup): Extend to cover sizes up to 511.
2787 (ggc_alloc_stat): Adjust user.
2788 (ggc_pch_count_object): Likewise.
2789 (ggc_pch_alloc_object): Likewise.
2790 (ggc_pch_write_object): Likewise.
2792 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
2794 * tree-ssa-loop-niter.c (implies_ge_p): New function.
2795 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
2798 2006-06-19 Denis Chertykov <denisc@overta.ru>
2800 * config/avr/libgcc.S : Correct my wrong previous commit.
2802 2006-06-19 Roger Sayle <roger@eyesopen.com>
2805 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
2806 have stripped a SUBREG from the shift count, so we may need to
2807 convert_to_mode back to the type's mode before calling make_tree.
2808 Use new_amount instead of amount to avoid expanding a tree twice.
2810 2006-06-19 Richard Guenther <rguenther@suse.de>
2813 * fold-const.c (operand_equal_p): Check if the argument types
2814 have the same precision before stripping NOPs.
2816 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
2818 Fix PR tree-optimization/27341
2819 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
2821 * tree-complex.c (pass_lower_complex): Update SMT usage.
2823 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
2825 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
2826 Add a new alternative to the constraint strings. Add move of
2827 operand 1 to 3 to the splitter definition.
2828 ("doloop_si_long"): Second contraint alternative removed.
2830 2006-06-08 Anatoly Sokolov <aesok@post.ru>
2832 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
2833 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
2835 (AVR_HAVE_MOVW) Define.
2836 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
2837 (ASM_SPEC): Add avr25.
2838 (LINK_SPEC): Add avr25.
2839 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
2840 (base_arch_s): Add new member 'have_movw_lpmx'.
2841 (avr_arch_types): Init 'have_movw_lpmx'.
2842 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
2843 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
2844 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
2845 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
2846 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
2848 (avr_file_start): Do not output '.arh' derective.
2849 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
2850 (__do_copy_data): Use __AVR_HAVE_LPMX__.
2851 * config/avr/avr.md (mcu_enhanced): Delete.
2852 (mcu_have_movw): Define.
2853 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
2854 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
2855 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
2856 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
2857 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
2858 attiny861 and at86rf401 devices.
2860 2006-06-18 Jie Zhang <jie.zhang@analog.com>
2862 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
2865 2006-06-17 Karl Berry <karl@gnu.org>
2867 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
2868 doc/gccint.texi, doc/install.texi (@dircategory): Use
2869 "Software development" instead of "Programming", following
2870 the Free Software Directory.
2872 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
2874 * config/i386/i386.c (legitimate_tls_address)
2875 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
2876 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
2877 (*tls_dynamic_gnu2_combine_64): Likewise.
2879 2006-06-16 Richard Guenther <rguenther@suse.de>
2882 * fold-const.c (negate_expr_p): Do not introduce undefined
2883 overflow in negating INTEGER_CSTs.
2884 (fold_negate_expr): Rename from negate_expr. Revert last
2885 change for folding BIT_NOT_EXPR. Change semantics to
2886 return NULL_TREE for non-simplified negations. Do not
2887 strip type conversions and unify type handling.
2888 (negate_expr): New function, wrap around fold_negate_expr
2889 but ensure building a tree always. Strip type conversions
2890 here, fold to result type.
2891 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
2893 2006-06-16 Roger Sayle <roger@eyesopen.com>
2896 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
2897 that (would) return their results in stack registers.
2899 2006-06-16 Michael Matz <matz@suse.de>
2900 Richard Guenther <rguenther@suse.de>
2902 * fold-const.c (fold_truthop): Only return new tree node if
2903 we canonicalized something.
2905 2006-06-16 Richard Guenther <rguenther@suse.de>
2907 * function.h (enum function_frequency): Move declaration
2908 out of struct function.
2909 (struct function): Move bool fields and the enum to the bitfield
2910 section. Reorder elements to avoid padding. Remove unused
2911 fields left over from the RTL inliner removal.
2912 * function.c (free_after_compilation): Do not zero removed fields.
2913 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
2914 (ipa-type-escape.o): Likewise.
2916 2006-06-16 Richard Guenther <rguenther@suse.de>
2918 * cgraph.h (struct cgraph_local_info): Turn bool elements
2920 (struct cgraph_node): Likewise.
2921 (struct cgraph_varpool_node): Likewise.
2923 2006-06-15 Richard Guenther <rguenther@suse.de>
2925 * fold-const.c (fold_truth_not_expr): Rename from
2926 invert_truthvalue. Give it fold_* semantics to avoid
2928 (invert_truthvalue): New function. Wrapper around
2929 fold_truth_not_expr.
2930 (optimize_minmax_comparison): Avoid creating garbage.
2931 (fold_unary): Use fold_truth_not_expr for folding
2933 (fold_ternary): Replace uses of invert_truthvalue with
2934 fold_truth_not_expr where applicable.
2935 * tree.h (fold_truth_not_expr): Prototype.
2937 2006-06-16 Richard Guenther <rguenther@suse.de>
2939 PR tree-optimization/27781
2940 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
2941 * ipa-pure-const.c (target.h): Include.
2942 (analyze_function): Do not analyze functions that do not
2945 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
2948 * tree-dfa.c (referenced_vars_dup_list): Remove.
2949 (find_referenced_vars): Remove assert.
2950 (referenced_var_check_and_insert): Replace dup list with assert.
2951 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
2952 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
2954 2006-06-15 Richard Guenther <rguenther@suse.de>
2956 * tree-ssa-structalias.c (alias_get_name): Avoid creating
2957 extra unused identifiers if not dumping.
2958 (create_variable_info_for): Likewise.
2960 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
2962 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
2963 (derive_constant_upper_bound): Derive more precise upper bound in
2964 common cases. Return type changed to double_int.
2965 (record_estimate): Reflect the changed return type of
2966 derive_constant_upper_bound.
2967 * double-int.c (double_int_zext, double_int_sext): Fix.
2969 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
2971 * configure.ac (CFLAGS): Get them from the toplevel or from the
2972 configure invocation.
2973 * configure: Regenerate.
2974 * Makefile.in (CFLAGS): Substitute value provided by configure.
2976 2006-06-14 Mark Mitchell <mark@codesourcery.com>
2979 * c-common.h (c_finish_omp_atomic): Adjust declaration.
2980 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
2981 rather than calling add_stmt on it.
2982 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
2984 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
2987 * reload1.c (reload): Remove registers returned by update_eliminables
2988 from used_spill_regs.
2990 2006-06-13 DJ Delorie <dj@redhat.com>
2992 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
2994 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
2996 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
2997 html__strip_dir, html__mkdir_p. Enhance install-html target.
2998 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
2999 * configure: Regenerate.
3001 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
3003 * fold-const.c (fold_cond_expr_with_comparison): Check for
3004 Objective-C++ as language in deciding COND_EXPR transformation.
3006 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
3009 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
3010 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
3011 * config/sh/lib1funcs.h (SL, SL1): Define.
3012 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
3013 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
3014 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
3015 (OBJS_Os_4_200): New variable.
3016 ($(T)libgcc-Os-4-200.a): Use it.
3017 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
3018 when dividing 1 and/or by 0.
3020 2006-06-13 Roger Sayle <roger@eyesopen.com>
3022 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
3023 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
3024 * configure: Regenerate.
3026 2006-06-13 Jie Zhang <jie.zhang@analog.com>
3028 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
3029 for real instruction.
3031 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3034 * haifa-sched.c (check_cfg): Handle special case.
3036 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
3039 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
3040 Add debug_info parameter. Chain the vars to the BLOCK instead
3041 of the BIND_EXPR if debug info are requested for them.
3042 (pop_gimplify_context): Adjust for above change.
3043 (gimple_add_tmp_var): Likewise.
3044 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
3046 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
3047 (convert_local_reference): Likewise.
3048 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
3049 (finalize_nesting_tree_1): Request that debug info be emitted
3050 for debug_var_chain.
3052 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3054 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
3055 for PR target/27863.
3057 2006-06-13 Richard Guenther <rguenther@suse.de>
3060 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
3062 2006-06-13 Richard Guenther <rguenther@suse.de>
3064 PR tree-optimization/27830
3065 * tree-inline.c (copy_body_r): For copying the operand
3066 of an ADDR_EXPR make sure to fold &* afterwards.
3068 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
3070 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
3071 lvalues in the fb_none case with side-effects.
3073 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
3075 * tree-flow.h: Remove the prototype for
3076 compute_phi_arg_on_exit.
3077 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
3078 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
3081 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
3083 * builtins.c (expand_builtin_return_addr): Only use
3084 frame_pointer_rtx when count == 0 and we are expanding
3085 __builtin_return_address.
3087 2006-06-12 Fred Fish <fnf@specifix.com>
3089 * config/mips/mips.c (mips_file_start): Create special section
3090 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
3092 2006-06-11 Eric Christopher <echristo@apple.com>
3095 * stor-layout.c (place_field): Remove check for
3096 remaining_in_alignment when aligning at the end of a run.
3098 2006-06-11 Eric Christopher <echristo@apple.com>
3101 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
3104 2006-06-11 Roger Sayle <roger@eyesopen.com>
3107 Revert incorrect fix for PR target/27158
3108 2006-05-08 Roger Sayle <roger@eyesopen.com>
3109 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3110 of a reg_equiv_constant if the result is a legitimate constant.
3112 2006-06-11 Roger Sayle <roger@eyesopen.com>
3115 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
3116 extract a CONST_VECTOR element and interpret it as an integer.
3117 (vspltis_constant): Use const_vector_elt_as_int instead of the
3118 macro CONST_VECTOR_ELT in order to handle FP vector modes.
3119 * config/rs6000/predicates.md (easy_vector_const): Consider
3120 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
3122 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
3125 * stor-layout.c (update_alignment_for_field): Don't add extra
3126 alignment for packed non-bitfield fields in ms_bitfield_layout_p
3129 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
3131 * config/mips/t-rtems: Add EL/EB multilib variants.
3133 2006-06-09 Mike Stump <mrs@apple.com>
3135 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
3137 2006-06-09 David Daney <ddaney@avtrex.com>
3139 * doc/install.texi: Add binutils version recommendation for mips-*-*.
3141 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
3143 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
3145 2006-06-09 Richard Guenther <rguenther@suse.de>
3147 PR tree-optimization/26998
3148 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
3149 of signed types, only TYPE_MIN_VALUE is special, but for both,
3150 minimum and maximum value. Likewise VR_ANTI_RANGE is special
3151 in this case, as is -fwrapv.
3153 2006-06-08 Mike Stump <mrs@apple.com>
3156 * config/darwin.c (darwin_asm_output_anchor): Disable
3157 -fsection-anchors on darwin for now.
3158 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
3159 * rs6000/rs6000.c (optimization_options): Likewise.
3161 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3164 * config/i386/i386.c (classify_argument): Skip fields with invalid
3167 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
3169 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
3170 (cse_insn): Likewise for the stack_pointer_rtx.
3172 2006-06-08 Roger Sayle <roger@eyesopen.com>
3174 * tree-ssa-dom.c (record_conditions): Only record "unordered"
3175 conditions from floating point comparisons.
3177 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
3180 * expmed.c (struct alg_hash_entry): Fix type of field T
3181 to match synth_mult argument.
3182 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
3184 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3187 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
3190 2006-06-08 Richard Guenther <rguenther@suse.de>
3193 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
3194 only, if overflow is defined and not trapping.
3195 (negate_expr): Likewise.
3197 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3199 PR tree-optimization/27872
3200 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
3201 flag on the new exit edge of the unrolled loop.
3203 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3205 PR rtl-optimization/26449
3206 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
3208 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
3211 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
3212 referenced_variables with matching DECL_UID's.
3213 (find_referenced_vars): Make sure duplicate list is empty to start.
3214 (referenced_var_p): Remove.
3215 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
3216 Check if var is in the list, and add if needed. Update the duplicate
3217 list if a different var is in the list with the same DECL_UID.
3218 (add_referenced_var): Call routine to check and insert.
3219 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
3220 * tree-flow.h (referenced_vars_dup_list): External declaration.
3222 2006-06-07 Fred Fish <fnf@specifix.com>
3224 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
3227 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
3230 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
3231 the imaginary and real parts of a clobbered register.
3232 Emit insn to set the imaginary part.
3234 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
3236 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
3237 in lieu of unwind-dw2-fde.c.
3239 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3241 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
3243 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
3246 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
3247 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
3248 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
3249 V4SImode temporaries and operations instead.
3251 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
3253 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
3256 2006-06-06 Mike Stump <mrs@apple.com>
3258 * Makefile.in: Rename to htmldir to build_htmldir to avoid
3259 installing during build.
3261 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3263 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
3265 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3266 * config/ia64/ia64.c (params.h): New header.
3267 (ia64_optimization_options): New function to adjust parameters.
3268 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
3269 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
3270 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
3272 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
3274 * stor-layout.c (debug_rli): Fix a typo in a debug message.
3276 2006-06-05 Steve Ellcey <sje@cup.hp.com>
3279 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
3281 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
3282 Victor Kaplansky <victork@il.ibm.com>
3284 PR tree-optimization/26360
3285 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
3288 2006-06-04 Roger Sayle <roger@eyesopen.com>
3289 Andrew Pinski <pinskia@physics.uc.edu>
3292 * c-common.c (c_common_truthvalue_conversion): Explicitly check
3293 for LABEL_DECL before calling DECL_WEAK.
3296 * c-typeck.c (build_binary_op): Likewise, explicitly check for
3297 LABEL_DECL and PARM_DECL.
3299 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
3303 * c-decl.c (grokdeclarator): Disallow variably modified types at
3304 file scope. Avoid marking shared array type of constant size as
3307 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3310 * c-common.c (fold_offsetof_1): Handle static members.
3312 2006-06-04 Eric Christopher <echristo@apple.com>
3314 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
3315 (debug_rli): Output value for remaining_in_alignment.
3316 (update_alignment_for_field): Unconditionalize
3317 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
3318 extra alignment code.
3319 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
3320 ms_bitfield_layout_p code. Rewrite handling of structure fields.
3321 * tree.h (record_layout_info_s): Remove prev_packed.
3322 * doc/extend.texi (ms_struct): Add documentation of format.
3324 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
3326 * tree.h: Declare folding_initializer.
3327 * builtins.c (fold_builtin_constant_p): Give definite answer
3328 if folding inside an initializer.
3329 * fold-const.c: Define folding_initializer.
3330 (START_FOLD_INIT): Save and then set folding_initializer.
3331 (END_FOLD_INIT): Restore folding_initializer.
3333 2006-06-04 Richard Guenther <rguenther@suse.de>
3335 PR tree-optimization/27039
3336 * fold-const.c (fold_comparison): Handle pointer comparison
3337 again for all comparison codes. Compare offsets in signed
3339 (fold_binary): Move code from here.
3341 2006-06-03 Roger Sayle <roger@eyesopen.com>
3344 * config/i386/i386.c (construct_container): Split static issued_error
3345 flag into issued_sse_arg_error, issued_sse_ret_error and
3346 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
3347 requires the use of x87 registers and the user explicitly
3348 specified the -mno-80387 command line option.
3350 2006-06-02 Geoffrey Keating <geoffk@apple.com>
3352 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
3353 HAVE_DECL_SIGALTSTACK.
3355 (segv_handler): Use MC_FLD.
3356 * configure.ac: Check for a sigaltstack declaration.
3357 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
3358 * configure: Regenerate.
3359 * config.in: Regenerate.
3361 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
3364 * Makefile.in (stmp-fixinc): Fix typo.
3366 2006-06-02 Roger Sayle <roger@eyesopen.com>
3368 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
3369 are type correct. Clean-up.
3370 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
3371 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
3373 2006-06-01 DJ Delorie <dj@redhat.com>
3375 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
3376 shift, as we've disabled the "switch" insn that needs it.
3378 2006-06-01 Per Bothner <bothner@bothner.com>
3380 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
3381 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
3382 * c-ppoutput.c (cb_define): Don't increment line 0.
3384 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
3386 * doc/invoke.texi: Add cpu_type power6.
3387 * config.gcc: Add cpu_type power6.
3388 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
3389 to power5+ with Altivec.
3390 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
3391 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
3393 2006-05-30 Anatoly Sokolov <aesok@post.ru>
3395 * config/avr/avr.h (SET_ASM_OP): Define.
3397 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
3399 * config/bfin/bfin.c: Fix comment typos.
3401 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3404 * doc/install.texi: Document --enable-bootstrap and
3405 --disable-bootstrap.
3407 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3409 * doc/install.texi: Document that InfoZIP can replace jar.
3411 2006-05-31 Roger Sayle <roger@eyesopen.com>
3413 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
3414 isn't available, directly generate the simpler x87 patterns without
3415 the (use (const_int 0)).
3416 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
3417 implementation isn't available.
3418 (*negdf2_1): Likewise.
3419 (*negxf2_1): XF mode negation is always done using the x87.
3420 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
3422 2006-05-31 Roger Sayle <roger@eyesopen.com>
3424 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
3425 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
3427 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
3429 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3431 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
3432 * config/bfin/bfin.c (basic-block.h): Include.
3433 (struct machine_function): New.
3434 (bfin_init_machine_status): New.
3435 (override_options): Initialize init_machine_status.
3436 (bfin_hardware_loop): New.
3437 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
3438 (DEF_VEC_P (loop_info)): New.
3439 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
3440 (struct loop_info): New.
3441 (loop_info): New typedef.
3442 (struct loop_work): New.
3443 (loop_work): New typedef.
3444 (DEF_VEC_O (loop_work)): New.
3445 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
3446 (bfin_dump_loops): New.
3447 (bfin_bb_in_loop): New.
3448 (bfin_scan_loop): New.
3449 (bfin_optimize_loop): New.
3450 (bfin_reorg_loops): New.
3451 (bfin_reorg): Use bfin_reorg_loops.
3452 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
3454 (I_REGNO_P): Simplify.
3455 (DP_REGNO_P, DPREG_P): New macros.
3456 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3457 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
3458 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
3459 Add LT_REGS, LC_REGS, LB_REGS.
3460 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
3462 (REGNO_REG_CLASS): Deal with loop registers.
3463 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
3465 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
3466 New constants for loop registers.
3467 (UNSPEC_LSETUP_END): New.
3468 (seq_insns): New define_attr. Set it for appropriate insns.
3469 (movsi_insn): Add alternatives for move from/to
3470 loop count registers.
3471 (doloop_end): New define_expand.
3472 (loop_end): New define_insn.
3473 (define_split for bad doloop_end): New.
3474 (lsetup_with_autoinit): New define_insn.
3475 (lsetup_without_autoinit): New define_insn.
3476 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
3477 * config/bfin/predicates.md (lc_register_operand): New.
3478 (lt_register_operand): New.
3479 (lb_register_operand): New.
3480 (nondp_register_operand): New.
3481 (nondp_reg_or_memory_operand): New.
3482 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
3484 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3486 * config/bfin/bfin.c (bfin_delegitimize_address): New.
3487 (TARGET_DELEGITIMIZE_ADDRESS): Define.
3489 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
3491 * Makefile.in (CATALOGS): Add po/ prefix.
3492 * configure: Regenerated.
3494 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
3497 * arm.c (arm_print_operand case 'S'): Validate that the operand is
3498 a shift operand before calling shift_op. Avoid redundant call of
3501 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
3502 DJ Delorie <dj@redhat.com>
3504 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
3505 we're inserting is a singlt-bit constant.
3507 2006-05-30 Roger Sayle <roger@eyesopen.com>
3509 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
3510 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
3512 2006-05-30 Roger Sayle <roger@eyesopen.com>
3514 PR tree-optimization/23452
3515 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
3516 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
3517 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
3518 complex values and with -ffast-math for FP complex values.
3520 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
3522 * c-common.h: Remove the prototype for yyparse.
3523 * rtl.h: Remove the prototype for init_loop.
3525 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
3527 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
3530 2006-05-30 Roger Sayle <roger@eyesopen.com>
3532 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
3534 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
3535 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
3537 2006-05-30 Dirk Mueller <dmueller@suse.de>
3540 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
3541 for CONSTANT_CLASS_P expresisons.
3543 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3546 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
3548 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
3550 PR tree-optimization/27779
3551 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
3552 initial_condition instead of CHREC_LEFT.
3554 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
3556 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
3557 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
3558 Make prototypes ISO C90.
3560 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
3561 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3563 * see.c (see_analyze_one_def): Correct check.
3564 (see_get_extension_data): Check if extension is parallel.
3565 (see_get_extension_reg): Likewise.
3567 2006-05-30 Uros Bizjak <uros@kss-loka.si>
3570 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
3571 into register for (code == GTU).
3573 2006-05-29 Roger Sayle <roger@eyesopen.com>
3575 PR tree-optimization/24964
3576 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
3577 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
3578 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
3579 abs(x)*abs(x) as x*x for scalar floating point modes.
3581 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
3584 * lambda-code.c (perfect_nestify): Don't copy statements
3585 in the inner loop: move them to the inner loop header.
3587 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3590 * c-tree.texi: Document OpenMP directives and clauses.
3592 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3594 * varasm.c (globalize_decl): Fix indentation.
3596 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3599 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
3600 pass_fre, pass_store_ccp, pass_copy_prop,
3601 pass_store_copy_prop, pass_merge_phi, pass_nrv,
3602 pass_return_slot, pass_object_size, pass_lim,
3603 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
3604 pass_loop_prefetch and pass_stdarg.
3606 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
3608 * config/bfin/bfin.opt (mfdpic): New option.
3609 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
3610 (EXTRA_MULTILIB_PARTS): Likewise.
3611 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
3612 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
3614 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
3615 (CRT_CALL_STATIC_FUNCTION): New.
3616 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
3618 (CRT_CALL_STATIC_FUNCTION): New.
3619 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
3621 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
3622 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
3623 (initialize_trampoline): Changed to handle FD-PIC code generation.
3624 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
3625 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
3626 (override_options): Disallow -mid-shared-library -mfdpic combination.
3627 Can't do unaligned ops if FD-PIC.
3628 Turn off flag_pic if trying to generate non-id-shared-library
3629 non-fdpic code, since it's not supported.
3630 (bfin_assemble_integer): New function.
3631 (TARGET_ASM_INTEGER): Define.
3632 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
3634 * config/bfin/crtn.s: Restore them.
3635 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
3637 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
3638 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
3639 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
3640 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
3641 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
3643 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
3644 FDPIC_REGS and FDPIC_FPTR_REGS.
3645 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
3646 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
3647 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
3648 (load_funcdescsi): New pattern.
3649 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
3650 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
3651 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
3653 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3655 * gcse.c, rtlanal.c: Remove obsolete comments associated with
3658 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
3660 * tree-flow.h: Remove the prototype for add_type_alias.
3661 * tree-ssa-alias.c (add_type_alias): Remove.
3663 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
3665 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
3666 config/fr30/fr30.md, config/i386/i386-interix.h,
3667 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
3668 config/sh/superh64.h, config/v850/v850.c, df-core.c,
3669 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
3670 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
3671 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
3672 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
3673 Follow spelling conventions.
3674 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
3675 Follow spelling conventions.
3677 2006-05-27 Richard Guenther <rguenther@suse.de>
3680 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
3681 to produce a constant of value 1 of generic type.
3683 2006-05-27 Dirk Mueller <dmueller@suse.de>
3685 * cgraphunit.c (decide_is_function_needed): Fix wrong
3688 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
3690 PR rtl-optimization/27661
3691 * reload.c (find_reloads): When reloading a VOIDmode constant
3692 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
3693 use Pmode as mode of the reload register.
3695 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
3697 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
3698 is enabled at -O and above.
3700 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
3703 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
3706 2006-05-25 Mark Mitchell <mark@codesourcery.com>
3709 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
3710 for anonymous variables explicitly declared by front ends.
3712 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3714 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
3715 (struct alias_info): Add new field ref_all_symbol_mem_tag.
3716 * tree-ssa-alias.c (compute_may_aliases): If the program contains
3717 ref-all pointers, run a finalization pass for them.
3718 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
3719 (finalize_ref_all_pointers): New function.
3720 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
3721 regular pointer type to a ref-all pointer type.
3722 (get_tmt_for): Return the special memory tag for ref-all pointers.
3724 2006-05-25 Richard Guenther <rguenther@suse.de>
3727 * fold-const.c (fold_binary): Do not look at the stripped
3728 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
3730 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3732 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
3733 for LT and GT if the computed range is effectively empty.
3735 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3738 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
3739 mips_quad_format formats instead of ieee_single_format,
3740 ieee_double_format and ieee_quad_format formats, respectively.
3742 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3744 PR tree-optimization/27639
3745 PR tree-optimization/26719
3746 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
3747 call to scev_probably_wraps_p.
3748 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
3749 used_in_pointer_arithmetic_p, convert_step): Removed.
3750 (nowrap_type_p): New function.
3751 (scev_probably_wraps_p): Rewritten.
3752 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
3753 chrec_convert if chrec_convert_aggressive might have been used.
3754 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
3755 scev_direction): New functions.
3756 (chrec_convert): Changed to a wrapper over chrec_convert_1.
3757 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
3758 instead of convert_step.
3759 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
3760 (convert_step): Declaration removed.
3761 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
3763 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
3765 * df-core.c: Added to header comments.
3766 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
3767 df_ur_bb_info, df_urec_bb_info): Added comments.
3768 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
3769 urec, ri problems): Fixed header comments.
3770 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
3771 code from df_rd_transfer_function.
3773 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3775 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
3776 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
3777 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
3779 2006-05-23 Joseph Myers <joseph@codesourcery.com>
3781 * expr.c (undefined_operand_subword_p): New.
3782 (emit_move_multi_word): Do not generate move from undefined bits
3783 of a paradoxical subreg.
3785 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3787 PR rtl-optimization/27736
3788 * combine.c (replaced_rhs_value): New variable.
3789 (combine_instructions): Set it.
3790 (distribute_notes): When distributing a note in replaced_rhs_insn,
3791 check whether the value was used in replaced_rhs_value.
3793 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
3796 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
3797 add_referenced_var instead of add_referenced_tmp_var.
3798 * tree-complex.c (create_one_component_var): Use add_referenced_var.
3799 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
3801 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
3802 tree_optimize_tail_calls_1): Use add_referenced_var.
3803 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
3804 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
3805 Use add_referenced_var.
3806 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
3807 * gimplify.c (force_gimple_operand): Use add_referenced_var.
3808 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
3809 Use add_referenced_var.
3810 * tree-dfa.c (struct walk_state): Remove.
3811 (find_referenced_vars): Remove walk state and vars_found hash table.
3812 (make_rename_temp): Use add_referenced_var.
3813 (find_vars_r): Pass less parameters to add_referenced_var.
3814 (referenced_var_p): New. Is var in referenced_var hash table.
3815 (referenced_var_insert): Assert var isn't already in hash table.
3816 (add_referenced_var): Don't need walk_state parameter. Add var if it
3817 isn't already in the hash table.
3818 (add_referenced_tmp_var): Remove.
3819 (find_new_referenced_vars_1): Use add_referenced_var.
3820 * tree-ssa-pre.c (create_expression_by_pieces,
3821 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
3822 Use add_referenced_var.
3823 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
3824 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
3825 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
3827 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
3828 vect_create_data_ref_ptr, vect_create_destination_var,
3829 vect_init_vector, vect_build_loop_niters,
3830 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3831 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
3832 Use add_referenced_var.
3833 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
3834 * tree-flow.h (add_referenced_tmp_var): Remove prototype
3835 (add_referenced_var): Add prototype.
3836 * tree-ssa-structalias.c (get_constraint_for,
3837 intra_create_variable_infos): Use add_referenced_var.
3839 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
3841 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
3842 big-endian paradoxical subregs.
3843 * var-tracking.c (struct micro_operation_def): Document that,
3844 for modify micro operations, insn is the subsequent instruction.
3845 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
3846 (var_reg_set, var_mem_set): ... new functions.
3847 (add_stores): Record subsequent insn.
3848 (compute_bb_dataflow): Use new functions for MO_USE.
3849 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
3850 notes after the insn, and modify notes before the insn known
3851 to be the subsequent one.
3852 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
3854 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
3857 * config/i386/i386.c (ix86_expand_builtin): Use
3858 gen_sse3_monitor64 for TARGET_64BIT.
3860 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
3862 PR rtl-optimization/26375
3863 PR rtl-optimization/26855
3864 * df-problems (df_ru_bb_local_compute_process_def): Removed update
3866 (df_ru_bb_local_compute): Reversed statements and removed bogus
3867 comment explaining why they should be in wrong order.
3868 (df_ru_dump, df_rd_dump): Enhanced debug info.
3869 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
3871 * ddg.c (add_deps_for_def): Converted use of reaching defs to
3872 reaching uses and fixed space problem.
3874 2006-05-23 Jan Hubicka <jh@suse.cz>
3876 * cgraphunit.c (decide_is_function_needed): Also nested functions
3877 and functions declared inline can be optimized out at -O0.
3879 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
3881 * doc/install.texi (Configuration): Remove reference to CrossGCC
3885 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3888 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
3889 ix86_compare_emitted is non-NULL.
3891 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3894 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
3897 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3899 PR rtl-optimization/25514
3900 * combine.c (replaced_rhs_insn): New variable.
3901 (combine_instructions): Set replaced_rhs_insn when trying to replace
3902 a SET_SRC with a REG_EQUAL note.
3903 (distribute_notes): Use replaced_rhs_insn when determining the live
3904 range of a REG_DEAD register.
3906 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
3907 Anatoly Sokolov <aesok@post.ru>
3909 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
3910 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
3911 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
3912 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
3913 atmega3290, atmega649, atmega6490, atmega406, atmega640,
3914 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
3915 at90usb647, at90usb1286 and at90usb1287 devices.
3916 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3917 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3919 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3921 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
3923 2006-05-22 Richard Guenther <rguenther@suse.de>
3926 2006-01-31 Richard Guenther <rguenther@suse.de>
3927 Paolo Bonzini <bonzini@gnu.org>
3929 * doc/install.texi (--disable-libgcc-math): Document.
3931 2006-05-22 Richard Guenther <rguenther@suse.de>
3934 2006-01-31 Richard Guenther <rguenther@suse.de>
3936 * doc/invoke.texi (-msselibm): Document.
3937 * target.h (expand_library_builtin): New target hook.
3938 * builtins.c (expand_builtin): Use expand_library_builtin.
3939 (default_expand_library_builtin): New function.
3940 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3941 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3942 (link_gcc_math_spec): Declare.
3943 (static_specs): Add link_gcc_math_spec.
3944 * expr.h (default_expand_library_builtin): Declare.
3945 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3946 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3947 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3948 * config/i386/i386.opt (msselibm): New target option.
3949 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3950 (ix86_init_sse_abi_builtins): New function.
3951 (ix86_expand_library_builtin): Likewise.
3952 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3953 (override_options): Handle error conditions wrt -msselibm.
3954 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3955 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3956 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3959 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3962 * c-common.c (self_promoting_args_p): Skip erroneous args.
3965 * c-decl.c (finish_struct): Skip erroneous fields.
3967 2006-05-22 Nick Clifton <nickc@redhat.com>
3969 * config/cris/cris.opt (march): Remove VarExists attribute.
3970 (max-stackframe=): Likewise.
3972 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3974 * doc/rtl.texi: Fix a typo.
3975 * see.c: Fix comment typos.
3977 * tree-ssa-structalias.h (alias_info): Remove num_references.
3979 2006-05-21 Mike Stump <mrs@apple.com>
3981 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
3983 (darwin_pragma_options): Use BAD instead.
3984 (darwin_pragma_unused): Likewise.
3985 (darwin_pragma_ms_struct): Likewise.
3987 2006-05-21 David Edelsohn <edelsohn@gnu.org>
3989 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
3991 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
3993 PR rtl-optimization/27671
3994 * simplify-rtx.c (simplify_relational_operation_1): Fix
3995 simplifications of (eq/ne (xor x y) y) and
3996 (eq/ne (xor x y) x).
3998 PR tree-optimization/26622.
3999 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
4002 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
4004 * tree-cfg.c: Prune whitespace.
4005 (debug_tree_cfg): Point to correct header containing the
4008 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
4011 * cgraphunit.c (verify_cgraph_node): Typo in error message.
4013 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
4016 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
4017 or sorry count is non zero.
4019 2006-05-20 Andreas Schwab <schwab@suse.de>
4021 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
4023 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
4024 Kenneth Zadeck <zadeck@naturalbridge.com>
4026 PR rtl-optimization/26855
4028 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
4030 (df_scan_alloc): Added code to properly handle multiword hard
4031 registers and add all_blocks parameter.
4032 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
4033 code to properly handle multiword hard registers.
4034 (df_rescan_blocks): Added code to remove deleted blocks from
4036 (df_ref_create_structure, df_ref_record): Added code to properly
4038 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
4039 and set DF_REF_PARTIAL.
4040 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
4041 (df_uses_record): Added DF_REF_PARTIAL for subreg.
4042 (df_scan_add_problem): Added flags parameter.
4043 (df_ref_create_structure): Changed switching structure.
4044 (df_bb_refs_record): Fixed case where duplicate artificial refs
4045 were created. Changed location of flags.
4046 (df_record_entry_block_defs): Added code to make stack pointer
4047 live in entry block. Refined cases where frame pointer is needed.
4048 Changed location of flags.
4049 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
4050 (df_set_state): Removed function.
4051 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
4052 df_insn_create_insn_record, df_insn_refs_delete,
4053 df_ref_create_structure): Formatting changes.
4054 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
4055 df_delete_basic_block): New function.
4056 (df_init): Changed location of flags.
4057 (df_add_problem): Added flags parameter and the way flags are
4059 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
4060 debug_df_chain): Improved debugging output.
4061 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
4062 (df_refs_chain_dump): Removed df parameter.
4063 (df_iterative_dataflow): Added consistency check.
4064 (df_prune_to_subcfg): Made public.
4065 (df_analyze_problem): Added blocks_to_init parameter and made
4067 (df_ref_record, df_bb_refs_record, df_mark_reg,
4068 df_record_exit_block_uses): Whitespace changes.
4069 (df_dump): Whitespace changes.
4070 * df.h: Some reordering to remove forward references.
4071 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
4072 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
4073 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
4074 (dataflow.flags): New field.
4075 (df.flag): Deleted field.
4076 (df_alloc_function): Added additional bitmap parameter.
4077 (df_dependent_problem_function): New type.
4078 (df_problem.changeable_flags): New field.
4079 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
4080 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
4081 (df_mw_hardreg): New struct.
4082 (DF_INSN_UID_MWS): New macro.
4083 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
4085 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
4086 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
4087 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
4088 (df_set_state): Removed function.
4089 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
4090 * df-problems.c (df_chain_dump): Removed df parameter.
4091 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
4092 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
4094 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
4095 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
4096 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
4097 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
4098 DF_REF_MUST_CLOBBER cases.
4099 (df_ru_bb_local_compute_process_def,
4100 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
4101 df_lr_bb_local_compute, df_ur_bb_local_compute,
4102 df_chain_create_bb): Made subreg aware.
4103 (df_ru_bb_local_compute, df_rd_bb_local_compute,
4104 df_lr_bb_local_compute, df_lr_bb_local_compute,
4105 df_chain_create_bb): Cleanup to use proper macros.
4106 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
4107 code to fixup bitvectors.
4108 (df_ri_alloc): Cleared lifetime.
4109 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
4110 df_create_unused_note): New function.
4111 (df_ri_bb_compute, df_ri_compute): Added code to create/update
4112 REG_DEAD and REG_UNUSED notes as well as register information.
4113 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
4114 df_chains_dump): Fixed crash if problem was never run.
4115 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
4116 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
4117 df_ri_add_problem): Processes flags in uniform manner.
4118 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
4119 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
4120 df_rd_dump, df_urec_free_bb_info): Formatting changes.
4121 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
4122 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
4123 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
4124 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
4125 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
4126 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
4127 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
4128 * see.c (see_initialize_data): Ditto.
4129 * final.c (rest_of_clean_state) Added regstack_completed.
4130 * rtl.h (regstack_completed): Ditto.
4131 * reg-stack.c (regstack_completed): Ditto.
4133 2006-05-19 Mike Stump <mrs@apple.com>
4135 * c-tree.h (default_conversion): Remove.
4136 * c-common.h (default_conversion): Add.
4138 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
4140 * tree-vrp.c (valid_value_p): New function.
4141 (adjust_range_with_scev): Fail if the value of bound is not
4144 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4146 * config/mips/linux-unwind.h: Include <asm/unistd.h>
4147 (mips_fallback_frame_state): Use syscall numbers to determine
4148 the appropriate li instruction for the current ABI. Only use
4149 __NR_sigreturn for o32.
4151 2006-05-19 Nicolas Setton <setton@adacore.com>
4153 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
4154 * langhooks.c (lhd_dwarf_name): New function.
4155 * langhooks-def.h (lhd_dwarf_name): Declare.
4156 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
4157 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
4158 * ada/misc.c (gnat_dwarf_name): New function.
4159 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
4161 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4163 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
4165 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
4166 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
4167 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
4168 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
4169 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
4170 determine the size of Wtype, etc.
4171 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
4172 (swfloatfuncs): New variable.
4173 (dwfloatfuncs): Likewise.
4174 (lib2funcs): Remove floating-point conversion functions from
4175 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
4176 the set of conversion routines needed. Allow entries to specify
4177 an object name, filename and word size. Update users accordingly.
4178 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
4179 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
4183 2006-02-08 Roger Sayle <roger@eyesopen.com>
4186 * config/fixtfdi.c: New libgcc source file.
4187 * config/fixunstfdi.c: New source file.
4188 * config/floatditf.c: New source file.
4189 * config/floatunditf.c: New souce file.
4190 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4191 files above instead of config/mips/_tilib.c.
4192 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4194 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4196 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
4197 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
4199 2006-05-18 Mike Stump <mrs@apple.com>
4201 Fix up vla, vm and [*] sematics.
4207 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
4208 (c_vla_unspec_p): Add.
4209 (c_vla_type_p): Add.
4210 * c-decl.c (struct c_scope): Add had_vla_unspec.
4211 (build_array_declarator): Add support for [*].
4212 (grokdeclarator): Likewise.
4213 (grokparms): Likewise.
4214 (get_parm_info): Likewise.
4215 * c-objc-common.c (c_vla_unspec_p): Likewise.
4216 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
4217 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
4218 typeof when argument is a variably modified type not inside sizeof or alignof.
4219 (c_parser_direct_declarator_inner): Propagate errors.
4220 (c_parser_sizeof_expression): Add support for [*].
4221 (c_parser_parms_declarator): Initialize had_vla_unspec.
4222 (c_parser_parms_list_declarator): Likewise.
4223 * c-typeck.c (c_vla_type_p): Add.
4224 (composite_type): Add support for vla compositing.
4225 (comptypes_internal): Add support for vla compatibility.
4226 (c_expr_sizeof_expr): Evaluate vla arguments.
4227 * tree.c (variably_modified_type_p): Update comment for [*].
4229 2006-05-18 Michael Matz <matz@suse.de>
4232 * config.host: Make assignments to host_xmake_file cumulative.
4233 * config.host (*-darwin*): Test $host, not $target.
4235 2006-05-12 Stuart Hastings <stuart@apple.com>
4237 * config/i386/i386.opt (-mstackrealign): New flag.
4238 * config/i386/i386.c (force_align_arg_pointer): New attribute.
4239 (ix86_handle_cconv_attribute): Emit error when
4240 force_align_arg_pointer attribute collides with too many regparms.
4241 (ix86_function_regparm): Limit regparms when used with
4242 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
4243 Support stack-realigning prologue in non-main functions. Emit
4244 warning for nested functions under -mstackrealign, emit error for
4245 nested functions with force_align_arg_pointer attribute.
4246 * doc/extend.texi (force_align_arg_pointer): Document it.
4247 * doc/invoke.texi (-mstackrealign): Document it.
4249 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
4251 PR rtl-optimization/27477
4252 * combine.c (try_combine): Don't split a parallel consisting
4253 of two sets into two individual sets if both sets reference
4256 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
4258 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
4259 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
4261 * doc/options.texi (VarExists): Updated.
4263 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4265 * unwind-dw2.c: Add declarations for uw_update_context and
4267 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
4268 detected, advance frame state and context once to skip over stub.
4270 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4274 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
4275 Call rewrite_into_loop_closed_ssa only when something changed.
4276 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
4277 * lambda-code.c (can_convert_to_perfect_nest): Declared.
4278 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
4279 Test for perfect_nest_p here. Fix formating.
4280 (replace_uses_equiv_to_x_with_y): Fix formating.
4281 (stmt_uses_op): Removed.
4282 (can_convert_to_perfect_nest): Removed loopivs parameter.
4283 Complete the test by checking the scalar dependences.
4284 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
4287 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4290 From Dan Kegel <dank@kegel.com>:
4291 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
4293 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
4295 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
4296 if the element type is variably modified without recursing.
4298 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4301 * tree-loop-linear.c (try_interchange_loops): Test for
4302 no data dependences.
4304 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
4306 PR tree-optimization/27548
4307 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
4308 range of ssa names that appear on abnormal edges.
4309 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
4310 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
4312 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4315 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
4317 2006-05-17 Jakub Jelinek <jakub@redhat.com>
4320 * tree.h (OMP_PARALLEL_COMBINED): Define.
4321 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
4322 (new_omp_context): Add is_combined_parallel argument.
4323 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
4324 new_omp_context caller.
4325 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
4326 Adjust gimplify_scan_omp_clauses callers.
4327 (omp_is_private): Issue errors if iteration variable is firstprivate
4328 or reduction in the current context.
4329 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
4330 on combined parallel workshare constructs.
4332 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4334 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
4335 (gcc-options.o): New rule.
4337 * optc-gen.awk: Protect variables for gcc-options.o with
4338 #ifdef GCC_DRIVER/#endif.
4340 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
4342 Fix PR tree-optimization/27373
4343 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
4344 (forward_propagate_addr_expr): Update call.
4346 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4348 * doc/options.texi: Move the Negative option.
4350 2006-05-16 Richard Guenther <rguenther@suse.de>
4352 PR tree-optimization/22303
4353 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
4355 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
4356 ccp_fold did not simplify the statement.
4358 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4361 * Makefile.in (GCC_OBJS): New.
4362 (OBJS-common): Add opts-common.o.
4363 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
4364 (cpp$(exeext)): Likewise.
4365 (gcc.o): Also depend on opts.h.
4366 (opts-common.o): New.
4368 * common.opt (gcoff): Add Negative(gdwarf-2).
4369 (gdwarf-2): Add Negative(gstabs).
4370 (gstabs): Add Negative(gstabs+).
4371 (gstabs+): Add Negative(gvms).
4372 (gvms): Add Negative(gxcoff).
4373 (gxcoff): Add Negative(gxcoff+).
4374 (gxcoff+): Add Negative(gcoff).
4375 * config/i386/i386.opt (m32): Add Negative(m64).
4376 (m64): Add Negative(m32).
4378 * doc/options.texi: Document the Negative option.
4380 * gcc.c: Include "opts.h".
4381 (main): Call prune_options after expandargv.
4383 * optc-gen.awk: Generate common declarations for all flag
4384 variables in options.c. Output the neg_index field.
4386 * opts.c (find_opt): Moved to ...
4387 * opts-common.c: Here. New file.
4389 * opts.h (cl_option): Add a neg_index field.
4391 (prune_options): Likewise.
4393 2006-05-16 Jakub Jelinek <jakub@redhat.com>
4396 * omp-low.c (expand_omp_parallel): Don't assert
4397 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
4398 instead search for it.
4401 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
4404 2006-05-16 Andreas Schwab <schwab@suse.de>
4406 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
4409 2006-05-15 Roger Sayle <roger@eyesopen.com>
4412 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
4413 integer constants other than zero are only legitimate on TARGET_64BIT.
4414 <CONST_VECTOR> Only zero vectors are legitimate.
4415 (ix86_cannot_force_const_mem): Integral and vector constants can
4416 always be put in the constant pool.
4418 2006-05-16 DJ Delorie <dj@redhat.com>
4420 * crtstuff.c (__dso_handle): Set section from
4421 TARGET_LBIGCC_SDATA_SECTION if defined.
4422 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
4423 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
4425 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
4428 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
4431 2006-05-16 Ben Elliston <bje@au.ibm.com>
4433 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
4435 2006-05-15 Per Bothner <per@bothner.com>
4437 * tree.c: (last_annotated_node): Use source_locus typedef.
4438 This permits bootstrapping with --enable-mapped-location.
4440 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
4442 PR tree-optimization/26830
4443 * tree-into-ssa.c (struct ssa_name_info): Add age field.
4444 (info_for_ssa_name, current_info_for_ssa_name_age,
4445 blocks_to_update): New variables.
4446 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
4447 (clear_ssa_name_info, initialize_flags_in_bb,
4448 mark_block_for_update): New functions.
4449 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
4450 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
4451 prepare_def_site_for): Use mark_block_for_update.
4452 (mark_def_interesting): Assert that the processed block is marked in
4453 blocks_to_update. Do not take blocks argument.
4454 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
4456 (rewrite_update_init_block, rewrite_update_stmt): Only process
4457 blocks with statements to rewrite.
4458 (delete_update_ssa): Do not clear SSA_NAME_AUX.
4459 (update_ssa): Initialize and free blocks_to_update. Do not
4460 clear flags on statements. Do not use blocks bitmap.
4461 * tree.h (SSA_NAME_AUX): Removed.
4462 (struct tree_ssa_name): Removed aux field.
4463 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
4465 2006-05-15 Richard Guenther <rguenther@suse.de>
4467 PR tree-optimization/27603
4468 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4469 Do computations in original type.
4471 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
4473 * see.c: Code style changes such as redundant paranthesis,
4474 redundant intialization of local variables etc.
4475 (see_main): Declared now as static.
4476 * doc/invoke.texi: Update that -fsee is not enabled by
4479 2006-05-15 Jakub Jelinek <jakub@redhat.com>
4481 * omp-low.c (check_omp_nesting_restrictions): New function.
4482 (scan_omp_1): Call it.
4485 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
4486 construct, return *VAR.
4488 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
4490 PR rtl-optimization/27406
4491 * bt-load.c (migrate_btr_def): Skip the block having abnormal
4494 2006-05-14 Roger Sayle <roger@eyesopen.com>
4496 PR rtl-optimization/27538
4497 * combine.c (expand_compound_operation): Call gen_lowpart
4498 before calling simplify_shift_const.
4500 2006-05-14 Roger Sayle <roger@eyesopen.com>
4502 PR rtl-optimization/22563
4503 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
4504 a fixed width bitfield, always force the intermediates into psuedos.
4506 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
4509 * mkconfig.sh: Use operator = instead of == for test.
4511 2006-05-13 Nick Clifton <nickc@redhat.com>
4513 * dwarf2out.c (dbx_reg_number): Check return value from
4514 LEAF_REG_REMAP and only use it if it is valid.
4515 (multiple_reg_loc_descriptor): Likewise.
4517 2006-05-13 Richard Guenther <rguenther@suse.de>
4519 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
4522 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
4524 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
4525 information attached to non-INSNs such as NOTEs.
4526 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
4528 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
4530 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
4532 * config/s390/s390.md: Adjust comment describing On constraint.
4534 2006-05-11 Jan Hubicka <jh@suse.cz>
4536 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
4537 to be output at -O0.
4539 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4542 * fold-const.c (size_binop): Move sanity check for arguments to
4543 the beginning of the function.
4546 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
4549 2006-05-11 Richard Guenther <rguenther@suse.de>
4552 * fold-const.c (fold_unary): Handle intermediate conversion
4553 to a pointer type like intermediate conversion to an integer
4554 type in folding of (T1)(T2)var to var.
4555 Match the code to the comment in the final conversion for
4556 (T1)(T2)var to (T1)var regarding to type precision. Rather
4557 than disallow T1 being of pointer type, assert that both T1
4558 and var are of pointer type or not. Make sure not to fall
4559 over the frontends lazyness wrt array to pointer decay though.
4561 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
4563 * arm.c (arm_struct_value_rtx): Delete.
4564 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
4565 (arm_init_cumulative_args): Always initialize nregs to zero.
4567 2006-05-10 Richard Guenther <rguenther@suse.de>
4569 PR tree-optimization/27532
4570 * tree-object-size.c (plus_expr_object_size): Fix typo.
4572 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
4575 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
4576 ashrdi_const, ashrdi3): Use a scratch register.
4578 2006-05-10 Richard Guenther <rguenther@suse.de>
4580 PR tree-optimization/27302
4581 * fold-const.c (operand_equal_p): For two comparisons,
4582 try comparison of one comparison code swapped if that yields
4585 2006-05-10 Ben Elliston <bje@au.ibm.com>
4587 * tree-pretty-print.c (pretty_print_string): No need to handle
4588 '\0' as a special character.
4590 * tree.h: Include "hashtab.h".
4591 (iterative_hash_expr): Use hashval_t in its prototype.
4592 * Makefile.in (TREE_H): Add $(HASHTAB_H).
4594 2006-05-09 Steve Ellcey <sje@cup.hp.com>
4597 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
4598 (hppa*64*-*-hpux11*): Ditto.
4599 (hppa[12]*-*-hpux11*): Ditto.
4601 2006-05-09 David Edelsohn <edelsohn@gnu.org>
4604 * config/rs6000/aix41.h (TARGET_64BIT): Define.
4606 2006-05-09 Michael Matz <matz@suse.de>
4608 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
4609 host_extra_gcc_objs and host_xmake_file.
4610 (<*-*-linux*>): Don't overwrite host_xmake_file.
4611 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
4612 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
4613 (host_detect_local_cpu): Declare.
4614 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
4615 * config/i386/i386.c (override_options): Handle -mtune=native
4617 * config/i386/x-i386: New file.
4618 * config/i386/driver-i386.c: New file.
4619 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
4622 2006-05-09 Dirk Mueller <dmueller@suse.de>
4623 Richard Guenther <rguenther@suse.de>
4626 * fold-const.c (fold_read_from_constant_string): Relax check
4627 for matching types to matching modes.
4629 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
4631 PR rtl-optimization/27335
4632 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
4635 2006-05-08 Chao-ying Fu <fu@mips.com>
4636 Richard Sandiford <richard@codesourcery.com>
4638 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
4639 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
4640 * config/mips/mips.md (UNSPEC_SCC): New constant.
4641 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
4642 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
4643 (mips_emit_compare): Use it.
4644 (mips_expand_vcondv2sf): New function.
4646 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
4648 Fix PR tree-optimization/27093
4649 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
4650 renaming when they become not-used_alone.
4652 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4654 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
4655 relocation and relocation stubs.
4657 2006-05-08 Eric Christopher <echristo@apple.com>
4659 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
4662 2006-05-08 Jan Hubicka <jh@suse.cz>
4665 * cgraphunit.c (decide_is_function_needed): When not optimizing even
4666 unused static functions are needed.
4668 2006-05-08 Roger Sayle <roger@eyesopen.com>
4671 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4672 of a reg_equiv_constant if the result is a legitimate constant.
4674 2006-05-08 Uros Bizjak <uros@kss-loka.si>
4677 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
4678 standard 80387 constants, raise the cost to prevent
4679 compress_float_constant() to generate load from memory.
4681 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
4683 * config/arm/constraints.md (c): Fix a typo.
4685 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
4688 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
4691 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
4693 (_mm_mwait): Likewise.
4695 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
4697 (sse3_monitor): Make it 32bit only.
4698 (sse3_monitor64): New. 64bit monitor.
4700 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4703 * config/i386/i386.c (classify_argument): Skip fields with invalid
4706 2006-05-07 Richard Guenther <rguenther@suse.de>
4708 PR tree-optimization/27409
4709 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4710 Do not try to find zero-sized subvars.
4712 2006-05-07 Richard Guenther <rguenther@suse.de>
4714 PR tree-optimization/27136
4715 * tree-ssa-loop-niter.c (get_val_for): Correct function
4716 comment, assert requirements.
4717 (loop_niter_by_eval): Stop processing if the iterated
4718 value did not simplify.
4720 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
4722 * opts.c (flag_see): remove its setting at -O3.
4724 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
4726 * genpeep.c (main): Make insn-peep.c depend on flags.h.
4727 * arm/constraints.md: New file.
4728 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
4729 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
4730 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
4731 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
4732 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
4733 (EXTRA_MEMORY_CONSTRAINT): Likewise.
4734 * arm.md: Include constraints.md.
4735 (thumb_movsi_insn): Use satisfies_constraint_J.
4736 (movhi, movqi): Use satisfies_constraint_I.
4738 2006-04-29 Anatoly Sokolov <aesok@post.ru>
4740 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
4741 for atmeg a645 device.
4743 2006-05-06 Richard Guenther <rguenther@suse.de>
4745 PR tree-optimization/27151
4746 * tree-vect-transform.c (vectorizable_condition): Punt on
4747 values that have a different type than the condition.
4749 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
4752 * c-parser.c (c_parser_cast_expression): Only insert casts into
4753 hash table if pointer.
4754 * function.c (used_types_insert_helper): Rename from
4756 (used_types_insert): Call used_types_insert_helper.
4757 * function.h (used_types_insert): Accept only one argument.
4759 2006-05-05 David Edelsohn <edesohn@gnu.org>
4761 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
4762 scratch with output modifier.
4764 2006-05-04 David Edelsohn <edelsohn@gnu.org>
4767 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
4768 with output modifier.
4770 2006-05-04 Richard Sandiford <richard@codesourcery.com>
4773 * config/mips/mips.c (mips_symbolic_address_p): Return true
4774 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
4775 SYMBOL_GOTTPREL, and SYMBOL_TLS.
4777 2006-05-04 Richard Guenther <rguenther@suse.de>
4779 PR tree-optimization/14287
4780 PR tree-optimization/14844
4781 PR tree-optimization/19792
4782 PR tree-optimization/21608
4783 PR tree-optimization/27090
4784 * tree-ssa-pre.c (try_combine_conversion): New function.
4785 (compute_avail): After constructing the value-handle
4786 expression, use try_combine_conversion to combine NOP_EXPRs
4787 with previous value-handle expressions and use the result if it
4790 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
4792 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
4794 2006-05-04 Jan Hubicka <jh@suse.cz>
4797 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
4799 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
4801 * config/bfin/predicates.md (const01_rtx): Tell generator programs
4802 that this only matches CONST_INTs. All users changed to VOIDmode
4805 * config/bfin/bfin.c: Include "optabs.h".
4806 (bfin_rtx_costs): Some costs for vector operations, to allow combine
4808 (enum bfin_builtins): Add a number of fractional and vector builtins.
4809 (bfin_init_builtins): Likewise.
4810 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
4811 (safe_vector_operand, bfin_expand_binop_builtin,
4812 bfin_expand_unop_builtin): New functions.
4813 (bfin_expand_builtin): Handle the new builtins.
4814 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4817 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
4820 * Makefile.in (OBJS-common): Add see.o.
4821 (see.o): Add dependencies.
4822 * common.opt (fsee): New flag for the see optimization was added.
4823 * opts.c (flag_see): Initialized.
4824 * passes.c (init_optimization_passes, pass_see): New pass.
4825 * rtl.h (see_main): Declaration as extern.
4826 * timevar.def (TV_SEE): New.
4827 * tree-pass.h (pass_see): Declaration as extern.
4828 * invoke.texi (-fsee): Document.
4829 * recog.c (validate_simplify_insn): New function.
4830 * recog.h (validate_simplify_insn): Declaration as extern.
4831 * df-problems.c (df_chain_dump): Check for NULL.
4833 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
4834 Daniel Berlin <dberlin@dberlin.org>
4836 * cfgrtl.c (insert_insn_bb_end_new): New function.
4837 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
4839 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4841 * df.h (struct web_entry): Moved from web.c.
4842 (union_defs): Declaration as extern.
4843 (unionfind_root): Likewise.
4844 (unionfind_union): Likewise.
4845 * web.c (struct web_entry): Moved to df.h.
4846 (unionfind_root): Remove static declaration.
4847 (unionfind_union): Likewise.
4848 (union_defs): Likewise and generalize to use callback function.
4849 (web_main): Update arguments for union_defs function call.
4851 2006-05-04 Richard Guenther <rguenther@suse.de>
4853 PR tree-optimization/26447
4854 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
4855 produce SSA_NAME copies before the store stmt to avoid
4856 breaking exception handling.
4858 2006-05-04 Jakub Jelinek <jakub@redhat.com>
4861 * gimplify.c (omp_is_private): If var is shared in some outer context,
4862 return false instead of true. Stop searching on parallel context
4865 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
4868 * coverage.c: Use get_gcov_unsigned_t() instead of
4869 unsigned_type_node all over.
4871 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
4873 PR tree-optimization/27381
4874 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
4875 maintain the same immediate_use links.
4876 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
4877 node rather than segfaulting.
4879 2006-05-03 Jakub Jelinek <jakub@redhat.com>
4882 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
4883 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
4884 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
4886 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
4888 Fix PR tree-optimization/26626
4889 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
4891 * tree-ssa-operands.c (access_can_touch_variable): Allow
4892 typecasting through union pointers.
4894 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4897 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
4898 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
4899 to find if var will be a global variable even in the nested context.
4900 (omp_copy_decl): Only check for global variable at the end, it might
4901 be overridden in outer contexts.
4902 (scan_sharing_clauses): For global variables don't create a field.
4903 (lower_rec_input_clauses): Do nothing for global shared variables.
4904 Emit a barrier at the end of ILIST if there were any decls in both
4905 firstprivate and lastprivate clauses.
4906 (lower_send_clauses): Do nothing for global variables except for
4909 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
4911 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
4912 of the correct signedness is returned.
4914 2006-05-02 Jeff Law <law@redhat.com>
4916 PR tree-optimization/27364
4917 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
4918 multiply expressions.
4920 2006-05-02 Tom Tromey <tromey@redhat.com>
4922 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
4924 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
4927 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
4928 -mthumb -fPIC are used.
4930 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
4931 Joshua Kinard <kumba@gentoo.org>
4934 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
4935 with 64-bit pointers.
4937 2006-05-02 Paul Brook <paul@codesourcery.com>
4939 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
4941 (create_fix_barrier): Check that a suitable barrier location is
4943 (arm_reorg): Include ftmp->address in allowable range of addresses.
4945 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
4948 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
4951 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4954 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
4955 around RESULT_DECL for result passed by reference.
4956 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
4957 * omp-low.c (use_pointer_for_field): Don't look at
4958 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
4959 (scan_omp_1): Call remap_decl on RESULT_DECLs.
4960 (lower_rec_input_clauses): Don't allocate VLA memory for the second
4961 time or var for passing by reference for
4962 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
4963 TREE_ADDRESSABLE variables when passing by reference.
4965 * omp-low.c (dump_omp_region): Fix output formatting.
4968 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
4969 (expand_omp_parallel): Likewise.
4970 * tree-cfg.c (move_sese_region_to_fn): Likewise.
4973 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
4974 on statement list containing also constructors and destructors.
4975 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
4978 * except.c (duplicate_eh_regions): Fix clearing of
4979 cfun->eh->region_array entries.
4981 2006-05-01 DJ Delorie <dj@redhat.com>
4983 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
4985 (gcc_cv_objdump): Likewise.
4986 * configure: Regenerated.
4988 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
4991 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
4992 templates for case 3 and 4.
4994 2006-05-01 DJ Delorie <dj@redhat.com>
4996 * vec.c: Include bconfig.h when appropriate.
4997 * Makefile.in (build/vec.o): Adjust dependencies.
4998 * mkconfig.sh: Make sure config.h isn't used for build machine
5001 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5003 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
5005 (mark_phi_for_rewrite): New function.
5006 (insert_phi_nodes_for, mark_use_interesting): Call
5007 mark_phi_for_rewrite.
5008 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
5009 (update_ssa): Initialize and free phis_to_rewrite.
5011 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5013 PR rtl-optimization/27291
5014 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
5015 folded to a constant.
5017 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5019 PR tree-optimization/27283
5020 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
5021 not whole # of iteration descriptions.
5022 (niter_for_exit): Return just # of iterations. Fail if # of iterations
5023 uses abnormal ssa name.
5024 (niter_for_single_dom_exit): Ditto.
5025 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
5026 return just the number of iterations.
5028 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5030 PR tree-optimization/27144
5031 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
5032 (record_estimate): Only record constant upper bound.
5033 (infer_loop_bounds_from_undefined): Call
5034 compute_estimated_nb_iterations just once.
5035 (proved_non_wrapping_p): Renamed to ...
5036 (n_of_executions_at_most): ... this. Expect bound to be a constant.
5037 (convert_step_widening, scev_probably_wraps_p): Call
5038 n_of_executions_at_most instead of proved_non_wrapping_p.
5039 (substitute_in_loop_info): Do not replace values in bounds.
5040 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
5043 2006-05-01 Richard Henderson <rth@redhat.com>
5046 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
5047 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
5050 2006-05-01 Roger Sayle <roger@eyesopen.com>
5052 * c-typeck.c (parser_build_binary_op): Don't call the function
5053 unsigned_conversion_warning to spot operand/result type overflow.
5054 (build_binary_op): Instead, call convert_and_check instead of
5055 convert to report the problem when the operands are promoted.
5056 * c-common.c (unsigned_conversion_warning): Make static.
5057 * c-common.h (unsigned_conversion_warning): Delete prototype.
5059 2006-05-01 Richard Guenther <rguenther@suse.de>
5061 PR tree-optimization/26726
5062 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
5064 (find_interesting_uses_address): ... we work around here
5065 by folding INDIRECT_REFs in the substituted base.
5067 2006-05-01 Diego Novillo <dnovillo@redhat.com>
5069 * omp-low.c (dump_omp_region): Add newlines.
5071 2006-04-30 Roger Sayle <roger@eyesopen.com>
5073 * common.opt (Woverflow): New command line option.
5074 * c-common.c (constant_expression_warning): Check warn_overflow.
5075 (overflow_waring): Pass OPT_Woverflow to warning.
5076 (unsigned_conversion_warning): Likewise.
5077 (convert_and_check): Likewise.
5078 * doc/invoke.texi: Document new command line option.
5080 2006-04-30 David Edelsohn <edelsohn@gnu.org>
5082 * config/rs6000/rs6000.c (rs6000_override_options): Enable
5083 TARGET_NO_FP_IN_TOC for section anchors.
5084 (optimization_options): Enable section anchors for all
5085 non-"Objective" languages.
5087 2006-04-28 Eric Christopher <echristo@apple.com>
5089 * config/darwin-c.c (darwin_ms_struct): Move this
5090 (darwin_set_default_type_attributes): and this...
5091 * config/darwin.c: ... here.
5092 * config/darwin.h (darwin_ms_struct): Declare.
5094 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
5096 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
5098 2006-04-28 Roger Sayle <roger@eyesopen.com>
5101 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
5102 (push_array_bounds): Delete prototype. Change BOUNDS argument to
5103 an unsigned HOST_WIDE_INT.
5104 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
5106 (really_start_incremental_init): No need to call convert because
5107 bitsize_zero_node is already of type bitsizetype.
5108 (push_init_level): Extract the value of constructor_index as an
5109 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
5110 (process_init_element): Likewise.
5112 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
5114 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
5115 value before passing to make_relative_prefix.
5117 2006-04-28 Alan Modra <amodra@bigpond.net.au>
5120 * builtins.c (expand_builtin_memset): Expand val in original mode.
5122 2006-04-27 Eric Christopher <echristo@apple.com>
5124 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
5125 with #ifndef/#endif.
5126 * config/darwin-c.c (darwin_ms_struct): New.
5127 (darwin_pragma_ms_struct): Ditto.
5128 (darwin_set_default_type_attributes): Ditto.
5129 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
5130 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
5131 Register ms_struct pragma.
5132 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
5133 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
5134 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
5135 darwin_set_default_type_attributes if TARGET_MACHO.
5137 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
5139 PR tree-optimization/26854
5140 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
5141 * doc/tree-ssa.texi: Update immuse iterator documentation.
5142 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
5143 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
5144 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
5145 first_safe_imm_use, next_safe_imm_use): Remove.
5146 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
5147 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
5148 (move_use_after_head): New. Helper function to sort immuses in a stmt.
5149 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
5150 (first_imm_use_stmt): New. Get first stmt in an immuse list.
5151 (next_imm_use_stmt): New. Get next stmt in an immuse list.
5152 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
5153 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
5154 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
5155 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
5156 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
5157 (perfect_nestify): Use new iterator.
5158 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
5160 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
5161 (next_imm_name): New field in struct immediate_use_iterator_d.
5162 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
5163 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
5164 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
5165 * tree-cfg.c (replace_uses_by): Use new iterator.
5166 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
5167 * tree-ssa-operands.c (correct_use_link): Remove.
5168 (finalize_ssa_use_ops): No longer call correct_use_link.
5170 2006-04-27 Stuart Hastings <stuart@apple.com>
5172 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
5173 * config/t-darwin (crt3.o): Use it.
5174 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
5175 'pmode', use Pmode instead of SImode for SYMBOL_REF.
5176 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
5177 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
5178 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
5181 2006-04-27 Roger Sayle <roger@eyesopen.com>
5183 * expmed.c (store_fixed_bit_field): If we're not optimizing for
5184 size, force the intermediate into a new pseudo rather instead of
5185 performing both a bitwise AND and a bitwise IOR in memory.
5187 2006-04-27 Richard Guenther <rguenther@suse.de>
5189 PR rtl-optimization/26685
5190 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
5191 this one "max-flow-memory-locations".
5193 2006-04-27 Richard Guenther <rguenther@suse.de>
5195 PR tree-optimization/25148
5196 * tree-vrp.c (compare_values): Remove code dealing with
5197 comparisons against type min/max value. Honour overflow
5198 and negative constants in code dealing with comparisons
5199 of plus and minus expressions.
5200 (value_inside_range): Use fold_binary with LE_EXPR and
5201 GE_EXPR rather than compare_values.
5203 2006-04-27 Dirk Mueller <dmueller@suse.de>
5205 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
5208 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
5210 * basic-block.h (safe_insert_insn_on_edge): Removed.
5211 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
5213 2006-04-26 David Edelsohn <edelsohn@gnu.org>
5214 Paolo Bonzini <bonzini@gnu.org>
5217 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
5218 (simplify_and_const_int): Same.
5220 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
5222 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
5224 2006-04-26 Jakub Jelinek <jakub@redhat.com>
5227 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
5228 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
5229 cgraph_global_info_ready.
5232 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
5235 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
5236 either decl or init is error_mark_node.
5239 * tree-flow.h (struct omp_region): Add sched_kind.
5240 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
5241 instead of extracting omp for data.
5242 (expand_omp_for): Save extracted sched_kind.
5244 2006-04-25 Roger Sayle <roger@eyesopen.com>
5246 * expmed.c (store_bit_field): Also check whether the bitsize is
5247 valid for the machine's "insv" instruction before moving the
5248 target into a pseudo for use with the insv.
5249 * config/i386/predicates.md (const8_operand): New predicate.
5250 * config/i386/i386.md (extv, extzv, insv): Use the new
5251 const8_operand predicate where appropriate.
5253 2006-04-25 DJ Delorie <dj@redhat.com>
5255 * doc/install.texi (Specific): Clarify that this is not a list of
5256 supported hosts or targets.
5258 2006-04-25 Richard Sandiford <richard@codesourcery.com>
5260 PR rtl-optimization/26725
5261 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
5262 block's BB_DIRTY flag.
5264 2006-04-25 Geoffrey Keating <geoffk@apple.com>
5266 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
5269 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
5270 to print an integer.
5272 2006-04-25 David Edelsohn <edelsohn@gnu.org>
5274 * varasm.c (align_variable): New function.
5275 (get_block_for_decl): Apply align_variable to DECL before
5276 calculating section information.
5277 (assemble_variable): Split out alignment computation.
5279 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
5281 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
5284 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
5286 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
5287 MODE_PARTIAL_INT mode.
5288 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
5289 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
5291 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
5292 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
5294 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
5296 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
5298 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
5299 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
5300 MACFLAG_IH): Likewise.
5301 (movstricthi_1): Renamed from "*movstricthi".
5302 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
5303 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
5304 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
5305 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
5306 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
5307 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
5308 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
5309 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
5310 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
5311 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
5312 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
5313 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
5314 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
5315 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
5316 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
5318 * doc/rtl.texi (ss_ashift): Improve wording.
5320 2006-04-24 Geoffrey Keating <geoffk@apple.com>
5322 * dwarf2out.c (verify_marks_clear): New.
5323 (prune_unused_types): Call verify_marks_clear initially, not
5326 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
5328 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
5329 * doc/rtl.texi: Document them.
5330 * simplify-rtx.c (simplify_unary_operation,
5331 simplify_binary_operation_1): Don't abort when we see them.
5333 2006-04-24 Mark Mitchell <mark@codesourcery.com>
5336 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5337 * configure.ac: Completely disregard languages that are not
5339 * configure: Regenerated.
5341 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5342 Richard Guenther <rguenther@suse.de>
5344 PR tree-optimization/27236
5345 * tree-inline.c (copy_body_r): Make sure to copy
5346 TREE_THIS_VOLATILE flag.
5348 2006-04-24 Richard Guenther <rguenther@suse.de>
5351 * tree-complex.c (update_parameter_components): Don't handle
5352 unused parameters which have no default def.
5354 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5355 Richard Guenther <rguenther@suse.de>
5357 PR tree-optimization/27218
5358 * tree-inline.c (expand_call_inline): Strip useless type
5359 conversions for the return slot address.
5361 2006-04-24 Richard Guenther <rguenther@suse.de>
5363 * cfgloop.h (struct loops): Remove unused field array. Reorder
5365 (LOOP_PREFETCH): Remove.
5367 2006-04-24 Richard Guenther <rguenther@suse.de>
5369 PR tree-optimization/22525
5370 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
5371 variable, adjust types of generated expressions.
5373 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
5375 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
5376 (tree-vect-patterns.o): Likewise.
5378 (cselib.o): Likewise.
5379 (loop-doloop.o): Likewise.
5380 (regclass.o): Likewise.
5381 (reload1.o): Likewise.
5382 (explow.o): Replace target.h with $(TARGET_H).
5383 (ipa-prop.o): Likewise.
5384 (ipa-cp.o): Likewise.
5385 (ipa-inline.o): Likewise.
5386 (reorg.o): Likewise.
5387 (reg-stack.o): Likewise.
5389 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5391 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
5393 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5395 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
5397 * configure.ac: Completely disregard languages that are not
5399 * configure: Regenerated.
5402 * c-common.h (c_build_bitfield_integer_type): Declare.
5403 * c-decl.c (c_build_bitfield_integer_type): Move to ...
5404 * c-common.c (c_build_bitfield_integer_type): ... here.
5406 2006-04-23 Roger Sayle <roger@eyesopen.com>
5409 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
5410 a SImode SUBREG of a floating point register after no_new_pseudos.
5412 2006-04-23 Roger Sayle <roger@eyesopen.com>
5414 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
5415 identify potentially eliminable registers to additionally catch
5416 VIRTUAL_INCOMING_ARGS_REGNUM.
5417 (addsi3): Update the conditions on when to use addsi_small_int.
5419 2006-04-23 Roger Sayle <roger@eyesopen.com>
5422 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
5423 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
5424 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
5426 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5428 * fold-const.c (range_predecessor): Use operand_equal_p
5429 as the predicate for equality.
5430 (range_successor): Likewise.
5432 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5435 * config/soft-fp/op-common.h: Fix a typo.
5437 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
5440 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
5441 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
5443 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5445 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
5447 * doc/tm.texi: Fix a typo.
5449 2006-04-21 Geoffrey Keating <geoffk@apple.com>
5451 * dwarf2out.c (struct die_struct): Document that die_sib makes
5452 a circular linked list.
5453 (FOR_EACH_CHILD): New.
5454 (reverse_die_lists): Delete.
5455 (reverse_all_dies): Delete.
5456 (add_dwarf_attr): Correct documentation.
5457 (remove_child_with_prev): New.
5458 (remove_child_TAG): Update for change to die_struct, use
5459 remove_child_with_prev.
5460 (add_child_die): Update for change to die_struct.
5461 (splice_child_die): Use remove_child_with_prev and add_child_die.
5462 (print_die): Use FOR_EACH_CHILD.
5463 (die_checksum): Likewise.
5464 (assign_symbol_names): Likewise.
5465 (output_location_lists): Likewise.
5466 (build_abbrev_table): Likewise.
5467 (calc_die_sizes): Likewise.
5468 (mark_dies): Likewise.
5469 (unmark_dies): Likewise.
5470 (unmark_all_dies): Likewise.
5471 (output_die): Likewise.
5472 (prune_unused_types_mark): Likewise.
5473 (prune_unused_types_walk): Likewise.
5474 (same_die_p): Update for change to die_struct.
5475 (break_out_includes): Likewise.
5476 (prune_unused_types_prune): Likewise.
5477 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
5478 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
5480 (dwarf2out_finish): Don't call reverse_all_dies.
5482 2006-04-21 Eric Christopher <echristo@apple.com>
5484 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
5485 in comments and function names.
5487 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5490 * c-typeck.c (digest_init): Robustify.
5492 * c-typeck.c (pop_init_level): Simplify.
5494 2006-04-21 Steve Ellcey <sje@cup.hp.com>
5496 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
5498 2006-04-21 Paul Brook <paul@codesourcery.com>
5500 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
5501 hardware floating point.
5503 2006-04-21 David Edelsohn <edelsohn@gnu.org>
5505 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
5508 2006-04-21 Nick Clifton <nickc@redhat.com>
5510 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
5513 2006-04-21 Alan Modra <amodra@bigpond.net.au>
5516 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
5517 C++ lang type in traceback table for Objective-C++.
5519 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
5521 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
5523 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
5525 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5528 * tree-mudflap.c (mudflap_finish_file): Skip function when there
5529 were errors. Remove check for erroneous objects.
5531 2006-04-20 Jeff Law <law@redhat.com>
5533 PR tree-optimization/26854
5534 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
5535 checking for zero or one use.
5536 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
5537 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
5538 * tree-ssa-reassoc.c (negate_value): Similarly.
5539 (reassociate_bb): Similarly.
5541 2006-04-20 Jakub Jelinek <jakub@redhat.com>
5543 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
5544 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
5545 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
5547 2006-04-20 Alan Modra <amodra@bigpond.net.au>
5549 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
5550 fp regs if the last fp arg doesn't fit in regs.
5552 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
5555 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
5556 that the last insn has the REG_INC note.
5558 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
5559 Nathan Sidwell <nathan@codesourcery.com>
5562 * stor-layout.c (update_alignment_for_field): Do not align
5564 (place_union_field): Place union field at the start of the union.
5565 (place_field): Move ERROR_MARK check later, and use the current
5566 allocation position to maintain monotonicity.
5568 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
5570 * dominance.c: Include timevar.h.
5571 (calculate_dominance_info): Use TV_DOMINANCE.
5572 * timevar.def (TV_DOMINANCE): New timevar.
5573 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
5575 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5577 PR rtl-optimization/14261
5578 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
5579 move would be an INSV insn.
5580 (noce_process_if_block): Don't optimize if the destination is a
5581 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
5583 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5585 * config/s390/s390.md: Add comments with the instructions emitted
5586 by an insn pattern if macros are used.
5588 2006-04-19 Alan Modra <amodra@bigpond.net.au>
5590 PR rtl-optimization/26026
5591 * fold-const.c (fold_binary): Optimize div and mod where the divisor
5592 is a known power of two shifted left a variable amount.
5594 2006-04-18 Geoffrey Keating <geoffk@apple.com>
5596 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
5597 to hash table twice when the debug_str section has SECTION_MERGE.
5599 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
5601 * config/soft-fp: New directory. From glibc.
5602 * config/soft-fp/t-softfp: New.
5603 * config/soft-fp/README: New.
5604 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
5605 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
5606 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
5607 (LIBGCC_DEPS): Add $(SFP_MACHINE).
5608 * config.gcc: Use rs6000/t-fprules-fpbit or
5609 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
5611 * config/rs6000/sfp-machine.h: New. Based on glibc.
5612 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
5614 * config/rs6000/t-fprules: Remove fp-bit rules.
5615 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
5616 * config/rs6000/t-linux64: Likewise. Remove duplicates from
5617 LIB2FUNCS_EXTRA. Remove fp-bit rules.
5618 (softfp_wrap_start, softfp_wrap_end): New.
5620 2006-04-18 DJ Delorie <dj@redhat.com>
5622 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
5624 2006-04-18 Devang Patel <dpatel@apple.com>
5626 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
5628 2006-04-18 Nick Clifton <nickc@redhat.com>
5630 * config/sh/t-symbian: Add rule to build sh-c.o
5631 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
5632 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
5633 (sh_symbian_encode_section_info): Likewise.
5635 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
5637 * builtins.c (expand_builtin_strcmp): Cover label definition of
5638 do_libcall with HAVE_cmpstrnsi.
5640 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
5642 * function.c (temp_slots_at_level, max_slot_level): Use VEC
5644 * function.h (temp_slot_p): New.
5645 (function): Change the type of x_used_temp_slots to
5646 VEC(temp_slot_p,gc) *.
5648 2006-04-18 Nick Clifton <nickc@redhat.com>
5650 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
5651 flag_strength_reduce.
5653 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
5655 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5659 Partial revert of revision 112637
5660 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5661 Dale Johannesen <dalej@apple.com>
5664 * regclass.c (struct reg_pref): Update documentation.
5665 (regclass): Set prefclass to NO_REGS if memory is the best option.
5666 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5668 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5670 PR tree-optimization/26821
5671 * tree-ssa-math-opts.c (get_constant_one): New.
5672 (insert_reciprocals): Use it.
5674 2006-04-17 Geoffrey Keating <geoffk@apple.com>
5676 * dwarf2out.c (free_AT): Delete.
5677 (remove_AT): Update string ref counts.
5678 (remove_child_TAG): Don't call free_die.
5680 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
5681 or DW_TAG_GNU_EINCL.
5682 (prune_unused_types_walk_attribs): Reset string refcounts.
5683 (prune_unused_types_update_strings): New.
5684 (prune_unused_types_prune): Don't make unnecessary stores. Don't
5685 call free_die. Do call prune_unused_types_update_strings.
5686 (prune_unused_types): Empty debug_str_hash.
5688 2006-04-17 Roger Sayle <roger@eyesopen.com>
5690 * expr.c (expand_assignment): Optimize away no-op moves where the
5691 source and destination are equal and have no side-effects.
5693 2006-04-17 Richard Guenther <rguenther@suse.de>
5696 * reload.c (push_reload): Guard calls to get_secondary_mem
5699 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
5701 * alias.c (reg_base_value, old_reg_base_value): Change the
5702 type to VEC(rtx,gc) *.
5703 (REG_BASE_VALUE, find_base_value, record_set,
5704 init_alias_analysis): Use VEC instead of VARRAY.
5706 * alias.c (alias_sets): Change the type to
5707 VEC(alias_set_entry,gc) *.
5708 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
5709 VEC instead of VARRAY.
5710 (last_alias_set): Remove.
5712 * cgraph.h (cgraph_edge_p): New.
5713 Update the prototype of cgraph_function_versioning.
5714 * cgraphunit.c (cgraph_copy_node_for_versioning,
5715 cgraph_function_versioning): Use VEC instead of VARRAY.
5716 * ipa-cp.c (ipcp_insert_stage): Likewise.
5718 2006-04-16 Roger Sayle <roger@eyesopen.com>
5721 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
5722 "A op B" or "A op C", we may need to convert A to the type of B and C.
5724 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
5726 * target.h (struct gcc_target): Add mode_rep_extended.
5727 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
5728 (init_num_sign_bit_copies_in_rep): Initialize it using
5730 (truncate_to_mode): Use it.
5731 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
5732 * targhooks.h (default_mode_rep_extended): Declare it.
5733 * targhooks.c (default_mode_rep_extended): Define it.
5734 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
5735 default_mode_rep_extended.
5736 (TARGET_INITIALIZER): Include it.
5737 * doc/tm.texi (Misc): Document it.
5738 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
5739 (mips_truncated_to_mode): New function.
5741 2006-04-16 Roger Sayle <roger@eyesopen.com>
5744 * expr.c (compress_float_constant): Copy the narrow constant into
5745 a new pseudo before extending it to its final width.
5747 2006-04-16 Roger Sayle <roger@eyesopen.com>
5748 Andrew Pinski <pinskia@gcc.gnu.org>
5749 Dale Johannesen <dalej@apple.com>
5752 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
5753 special case code to implement V8HImode and V16QImode with SSE2.
5755 2006-04-15 Roger Sayle <roger@eyesopen.com>
5757 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
5758 trees are constructed with a suitable tree type.
5760 2006-04-15 Roger Sayle <roger@eyesopen.com>
5762 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
5763 (integer_onep): Likewise.
5764 (integer_all_onesp): Likewise.
5765 (integer_pow2p): Likewise.
5766 (integer_nonzerop): Likewise.
5767 (real_zerop): Likewise.
5768 (real_onep): Likewise.
5769 (real_twop): Likewise.
5770 (real_minus_onep): Likewise.
5771 (int_size_in_bytes): Likewise.
5772 (host_integerp): Likewise.
5774 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
5776 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
5777 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
5778 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
5780 * tree-ssa-structalias.h (alias_info): Remove num_references.
5782 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5784 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
5785 (output_bvb patterns): Likewise.
5786 * pa.c (output_bb): Use 'bb' insn for long branch case.
5787 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
5788 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
5789 1. Correct length operand for alternatives 1 and 2.
5790 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
5791 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
5793 2006-04-14 Roger Sayle <roger@eyesopen.com>
5795 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
5796 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
5797 were accidentally reverted by r112959.
5799 2006-04-15 Jakub Jelinek <jakub@redhat.com>
5802 * except.h (eh_region_outermost): New prototype.
5803 * except.c (eh_region_outermost): New function.
5804 * tree-cfg.c (find_outermost_region_in_block): Use it.
5806 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5808 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
5810 * reload1.c (reg_equiv_memory_loc_varray): Rename to
5811 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
5812 (init_reload, reload): Use VEC instead of VARRAY.
5813 * reload.h: Update the prototype for
5814 reg_equiv_memory_loc_varray.
5816 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
5817 Eric Botcazou <ebotcazou@libertysurf.fr>
5819 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
5822 2005-04-13 Uros Bizjak <uros@kss-loka.si>
5825 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
5826 to expand fallback builtin function call.
5828 2006-04-14 Alan Modra <amodra@bigpond.net.au>
5831 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
5832 and emit libcall here in case the builtin fails.
5833 (expand_builtin_strcmp): Always emit the libcall here on failure.
5835 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5837 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
5838 * flow.c (reg_n_info): Change the type to
5839 VEC(reg_info_p,heap) *.
5840 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
5842 * regs.h (reg_info_p): New.
5843 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
5844 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
5845 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
5848 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
5850 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
5852 * params.h (MAX_SCHED_READY_INSNS): New macro.
5853 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
5854 past MAX_SCHED_READY_INSNS during the first scheduling pass.
5855 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
5856 the ready list for 1 cycle during the first scheduling pass.
5857 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
5859 2006-04-13 Richard Henderson <rth@redhat.com>
5862 * gimple-low.c (lower_omp_directive): Remove dead code.
5863 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
5864 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
5865 * omp-low.c (struct omp_region): Move to tree-flow.h.
5866 (root_omp_region): Export.
5867 (omp_regions, lookup_omp_region): Remove.
5868 (determine_parallel_type): Update for struct omp_region changes.
5869 (dump_omp_region): Dump regions with block numbers.
5870 (new_omp_region): Take type and block instead of stmt; malloc
5872 (free_omp_region_1, free_omp_regions): New.
5873 (expand_parallel_call): Take entry_stmt as argument; update for
5874 changes to omp_region.
5875 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
5876 (remove_exit_barriers): New.
5877 (expand_omp_parallel): Update for struct omp_region changes.
5878 (expand_omp_synch): Likewise.
5879 (expand_omp): Likewise.
5880 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
5881 (expand_omp_for_static_chunk): Likewise.
5882 (expand_omp_for): Likewise.
5883 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
5884 (expand_omp_sections): Similarly, with GOMP_sections_end.
5885 (expand_omp_single): New.
5886 (build_omp_regions_1): Update for OMP_CONTINUE.
5887 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
5888 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
5889 OMP_SECTIONS_SECTIONS.
5890 (lower_omp_single_simple): Don't emit barrier here.
5891 (lower_omp_single_copy): Likewise.
5892 (lower_omp_single): Fix bindings, and lower to straightline now.
5893 (lower_omp_master, lower_omp_ordered): Likewise.
5894 (lower_omp_critical): Likewise.
5895 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
5896 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
5897 omp edges, free it afterward.
5898 (make_omp_sections_edges): Remove.
5899 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
5900 (move_stmt_r): Handle OMP_CONTINUE.
5901 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
5902 statement pointers to basic blocks. Add type member.
5903 (root_omp_region, new_omp_region, free_omp_regions): Declare.
5904 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
5905 * tree-inline.c (estimate_num_insns_1): Likewise.
5906 * tree-pretty-print.c (dump_generic_node): Likewise.
5907 * tree-ssa-operands.c (get_expr_operands): Likewise.
5908 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
5909 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
5910 (OMP_CONTINUE): New.
5911 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
5912 (OMP_SECTIONS_SECTIONS): Remove.
5913 (OMP_SECTION_LAST): New.
5914 (OMP_RETURN_NOWAIT): New.
5916 2006-04-13 Roger Sayle <roger@eyesopen.com>
5918 * fold-const.c (native_encode_vector, native_interpret_real):
5919 Correct obvious mistakes in the previous check-in.
5921 2006-04-13 Roger Sayle <roger@eyesopen.com>
5923 * fold-const.c (native_encode_expr): New function to encode
5924 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
5925 or VECTOR_CST into a specified buffer.
5926 (native_encode_int): New function.
5927 (native_encode_real): New function.
5928 (native_encode_complex): New function.
5929 (native_encode_vector): New function.
5930 (native_interpret_expr): Inverse of native_encode_expr to convert
5931 a target representation into an INTEGER_CST, REAL_CST etc...
5932 (native_interpret_int): New function.
5933 (native_interpret_real): New function.
5934 (native_interpret_complex): New function.
5935 (native_interpret_vector): New function.
5936 (fold_view_convert_expr): New function to constant fold/evaluate
5937 a VIEW_CONVERT_EXPR of a suitable constant expression.
5938 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
5939 Change call of build1 to fold_build1 when constructing a
5942 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
5943 Ulrich Weigand <uweigand@de.ibm.com>
5946 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
5949 2006-04-13 Alan Modra <amodra@bigpond.net.au>
5952 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
5953 optimize to lo_sum for DFmode if !TARGET_FPRS.
5955 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5957 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
5958 delete_alias_info, compute_flow_sensitive_aliasing,
5959 group_aliases): Use VEC instead of VARRAY.
5960 * tree-ssa-structalias.c (update_alias_info): Likewise.
5961 * tree-ssa-structalias.h (alias_info): Change the type of
5962 processed_ptrs to VEC(tree,heap) *.
5964 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
5967 * config/sh/lib1funcs.h: New file, broken out of:
5968 * config/sh/lib1funcs.asm.
5969 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
5971 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
5972 * config/sh/lib1funcs-Os-4-200.asm: New file.
5973 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
5974 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
5975 (EXTRA_MULTILIB_PARTS): Include it.
5976 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
5977 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
5978 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
5979 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
5982 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5984 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
5985 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
5986 tpa_compact, root_var_init, type_var_init): Use VEC instead of
5988 * tree-ssa-live.h: Include vecprim.h.
5989 (tree_partition_associator_d): Change the type of
5990 first_partition to VEC(int,heap) *.
5991 (tpa_first_partition): Use VEC instead of VARRAY.
5993 * Makefile.in (GTFILES): Move functions.h after tree.h.
5994 * function.c (reset_block_changes, record_block_change,
5995 check_block_change, free_block_changes): Use VEC instead of
5997 * function.h (function): Change the type of
5998 ib_boundaries_block to VEC(tree,gc) *.
5999 * tree-inline.c (copy_cfg_body): Initialize
6000 ib_boundaries_block to NULL instead of (varray_type) 0.
6002 2006-04-12 Roger Sayle <roger@eyesopen.com>
6004 * expr.c (emit_group_store): Correct operand order in call to
6005 subreg_lowpart_offset. Always create paradoxical SUBREGs with
6006 a SUBREG_BYTE of zero.
6008 2006-04-12 Richard Guenther <rguenther@suse.de>
6010 * profile.c (compute_branch_probabilities): Remove code
6011 encapsulated in !ir_type (), which are remanents of the
6012 removed RTL profiling code.
6013 * rtl-profile.c: Remove.
6015 2006-04-12 Alan Modra <amodra@bigpond.net.au>
6017 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
6018 magic NULL_RTX comment.
6019 (function_arg): Store entire fp arg to mem if any part should go
6021 (rs6000_arg_partial_bytes): Adjust for above change.
6023 2006-04-11 Roger Sayle <roger@eyesopen.com>
6025 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
6026 if it hasn't been initialized by dwarf2out_init.
6028 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
6030 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
6031 symbolic constants in branch patterns.
6033 2006-04-11 Roger Sayle <roger@eyesopen.com>
6035 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
6037 2006-04-11 Richard Sandiford <richard@codesourcery.com>
6039 PR rtl-optimization/27073
6040 * gcse.c (try_replace_reg): Revert last change. Continue to search
6041 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
6044 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6046 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
6047 aggregate types other than record and union types.
6048 (function_arg): Likewise.
6049 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
6051 (function_value): In 64-bit mode, return objects that require it
6054 2006-04-11 Roger Sayle <roger@eyesopen.com>
6056 * dwarf2out.c (premark_used_types): Remove problematic prototype.
6058 2006-04-11 Jakub Jelinek <jakub@redhat.com>
6060 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
6062 2006-04-03 Jeff Law <law@redhat.com>
6065 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
6066 alias information too.
6068 2006-04-10 Mike Frysinger <vapier@gentoo.org>
6070 * Makefile.in (gcc-cross): Add $(exeext) to target name.
6072 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
6075 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
6076 (premark_used_types_helper): New.
6077 (premark_used_types): New.
6078 (gen_subprogram_die): Call premark_used_types.
6079 (prune_unused_types_walk): Do not prune perennial dies.
6080 * function.c (used_types_insert): New.
6081 * function.h (struct function): Add used_types_hash field.
6082 (used_types_insert): Add prototype.
6083 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
6084 * c-parser.c (c_parser_cast_expression): Save casted types in used
6087 2006-04-11 Mark Mitchell <mark@codesourcery.com>
6090 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
6091 rs6000_explicit_options.float_gprs.
6093 2006-04-10 Roger Sayle <roger@eyesopen.com>
6095 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
6096 from ix86_expand_vector_init_low_nonzero. Take an additional
6097 one_var argument indicating which element is non-zero. Support
6098 one_var != 0 for V4SFmode and V4SImode by permuting the result.
6099 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
6100 with one_var instead of ix86_expand_vector_init_low_nonzero.
6102 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
6104 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
6105 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
6106 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
6107 build/genextract.o): Depend on vecprim.h.
6108 * cfglayout.c, df-problems.c, function.c, genextract.c,
6109 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
6110 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
6114 2006-04-10 Geoffrey Keating <geoffk@apple.com>
6116 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
6117 Declare VECs of this type.
6118 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
6119 (remove_children): Delete.
6120 (add_dwarf_attr): Use VEC routines.
6121 (add_AT_flag): Update for changes to add_dwarf_attr.
6122 (add_AT_int): Likewise.
6123 (add_AT_unsigned): Likewise.
6124 (add_AT_long_long): Likewise.
6125 (add_AT_vec): Likewise.
6126 (add_AT_string): Likewise.
6127 (add_AT_die_ref): Likewise.
6128 (add_AT_fde_ref): Likewise.
6129 (add_AT_loc): Likewise.
6130 (add_AT_loc_list): Likewise.
6131 (add_AT_addr): Likewise.
6132 (add_AT_lbl_id): Likewise.
6133 (add_AT_lineptr): Likewise.
6134 (add_AT_macptr): Likewise.
6135 (add_AT_offset): Likewise.
6136 (add_AT_range_list): Likewise.
6137 (get_AT): Use VEC_iterate.
6138 (remove_AT): Use VEC_ordered_remove.
6139 (free_die): Fold remove_children into here; have it use VEC_iterate.
6140 (print_die): Use VEC_iterate on attrs.
6141 (reverse_die_lists): Don't reverse attr lists.
6142 (die_checksum): Use VEC_iterate on attrs.
6143 (same_die_p): Likewise.
6144 (output_location_lists): Likewise.
6145 (build_abbrev_table): Likewise.
6146 (size_of_die): Likewise.
6147 (unmark_all_dies): Likewise.
6148 (output_abbrev_section): Likewise.
6149 (output_die): Likewise.
6150 (prune_unused_types_walk_attribs): Likewise.
6152 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6154 * doc/install.texi (*-*-solaris2*): Point to the configure page.
6156 2006-04-10 Jakub Jelinek <jakub@redhat.com>
6159 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
6161 2006-04-09 Roger Sayle <roger@eyesopen.com>
6163 * expr.c (store_constructor): Don't bother clearing target if
6164 we're about to assign a vector to it using vec_init_optab.
6166 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
6168 * tree-ssa-alias.c (lhs_may_store_to): New function.
6169 (recalculate_used_alone): Handle LHS of calls.
6171 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6175 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
6176 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
6177 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
6178 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
6179 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
6180 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
6181 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
6182 stubs. Add ".align 8" directives before all ".dword" directives.
6183 (GTHREAD_USE_WEAK): Revise comment.
6184 (TARGET_ATTRIBUTE_WEAK): Define.
6185 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
6186 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
6187 * stublib.c: New file.
6192 * pa.md (cbranch patterns): Revise arguments used in calls to
6193 output_cbranch, output_bb and output_bvd. Add long branch length
6195 (fbranch patterns): Handle long branches.
6196 (jump): Revise length check. Revise arguments for output_lbranch call.
6197 Add long branch length attributes.
6198 (decrement_and_branch_until_zero): Add long branch length attributes.
6199 (output_movb, output_parallel_addb and output_parallel_movb patterns):
6200 Likewise. Revise arguments for output_parallel_addb and
6201 output_parallel_movb calls.
6202 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
6203 output_parallel_movb and output_parallel_addb): Update prototypes.
6204 * pa.c (output_cbranch): Revise arguments. Correct handling of
6205 nullification in long branches.
6206 (output_lbranch): Add new argument to control extraction of delay
6208 (output_bb): Handle long branches.
6209 (output_bvb, output_dbra, output_movb, output_parallel_movb,
6210 output_parallel_addb): Likewise.
6212 2006-04-09 Richard Sandiford <richard@codesourcery.com>
6214 PR rtl-optimization/27073
6215 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
6218 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
6220 * tree.h (tree_memory_tag): Add old_used_alone.
6221 (SMT_OLD_USED_ALONE): New macro.
6222 * tree-ssa-alias.c (recalculate_used_alone): Stop
6223 marking things for renaming unnecessarily.
6225 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
6227 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
6228 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
6229 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
6230 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
6231 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
6232 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
6233 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
6234 spelling convensions.
6235 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
6236 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
6237 typos. Follow spelling conventions.
6239 2006-04-07 DJ Delorie <dj@redhat.com>
6241 * config/m32c/m32c.c (m32c_function_arg): Structures are always
6242 passed on the stack.
6243 (m32c_init_cumulative_args): When a function returns a structure,
6244 always pass the pointer to that return area on the stack.
6245 (m32c_function_arg_advance): Don't increment the parameter number
6246 if we're processing the returned structure pointer.
6247 (pushm_info): Reverse order of registers.
6249 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
6251 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
6252 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
6253 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
6254 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
6256 * tree-chrec.c (chrec_fold_multiply_poly_poly,
6257 chrec_fold_multiply): Same.
6258 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
6259 force_expr_to_var_cost): Same.
6260 * tree-mudflap.c (mf_xform_derefs_1): Same.
6261 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
6263 2006-04-07 David Edelsohn <edelsohn@gnu.org>
6265 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
6266 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
6269 2006-04-07 Jan Hubicka <jh@suse.cz>
6271 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
6273 2006-04-07 Richard Guenther <rguenther@suse.de>
6275 PR tree-optimization/26135
6276 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
6277 loads for store copy-prop.
6278 (copy_prop_visit_stmt): Likewise.
6280 2006-04-05 Robert Millan <robertmh@gnu.org>
6282 * config/i386/linux.h: Add a comment to mark macros that are
6283 being overriden in config/k*bsd-gnu.h.
6284 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
6286 * config/knetbsd-gnu.h: Ditto.
6288 2006-04-06 Jan Hubicka <jh@suse.cz>
6292 * coverage.c (coverage_checksum_string): Reorganize loop to not read
6295 2006-04-06 Mike Stump <mrs@apple.com>
6297 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
6298 for HAVE_nonlocal_goto to be consistent.
6299 (expand_builtin_nonlocal_goto): Likewise.
6300 (expand_builtin_strcmp): Use #ifdef instead of #if
6301 for HAVE_cmpstrnsi to be consistent.
6303 2006-04-05 DJ Delorie <dj@redhat.com>
6305 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
6308 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
6310 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
6311 got-relative addressing for anything but SImode.
6313 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
6314 even if the calling function doesn't modify them.
6316 2006-04-05 Richard Guenther <rguenther@suse.de>
6318 PR tree-optimization/26919
6319 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
6320 to cgraph_estimate_size_after_inlining.
6322 2006-04-05 Alan Modra <amodra@bigpond.net.au>
6324 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
6326 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
6328 PR tree-optimization/26996
6329 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
6330 VECTOR_TYPE variables.
6332 2006-04-05 Richard Guenther <rguenther@suse.de>
6334 PR tree-optimization/26763
6335 * fold-const.c (fold_comparison): Move folding of
6336 PTR + CST CMP PTR + CST ...
6337 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
6339 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
6341 * doc/install.texi (Prerequisites): Refine some wording on
6342 bootstrapping and ksh.
6343 Move the version numbers of DejaGnu here from the testing section
6344 and fix casing of names.
6345 Fix markup and clarify wording for autogen requirements.
6346 Refer to GCJ instead of just java.
6347 Refer to SVN instead of CVS.
6348 Describe diffutils as useful instead of necessary.
6349 (Downloading the source): Refer to SVN instead of CVS.
6350 Adjust a link to our web site accordingly.
6351 (Configuration): Fix casing of Bison.
6352 (Building): Refer to SVN instead of CVS.
6353 Fix a sentence on the use of Bison and remove duplicate (and
6354 incorrect) version number of Bison requirement.
6355 Remove one redundant list of packages needed for building.
6356 (Specific): Avoid reference to CVS.
6358 2006-04-04 Eric Christopher <echristo@apple.com>
6360 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
6361 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
6362 (rs6000_handle_struct_attribute): New.
6363 (rs6000_ms_bitfield_layout_p): Ditto.
6365 2006-04-04 Geoffrey Keating <geoffk@apple.com>
6367 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
6368 NULL for dso parameter to atexit_common.
6370 2006-04-04 Eric Christopher <echristo@apple.com>
6372 * config/i386/i386.c (machopic_output_stub): Output \t
6373 between instructions and operands.
6375 2006-04-04 David Edelsohn <edelsohn@gnu.org>
6377 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
6378 satisfies_constraint_[IL] to explicit tests on value.
6380 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
6382 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6383 set_nb_iterations_in_loop): Use build_int_cst instead of
6385 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
6386 build_int_cst instead of convert.
6388 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
6390 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
6391 new value 2 for incoming.
6392 * function.c (expand_function_start): Call struct_value_rtx
6394 * config/sparc/sparc.md: Comment updated_return.
6395 * config/sparc/sparc.opt: Add -mstd-struct-return option.
6396 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
6397 struct return if sparc_std_struct_return and incoming is 2.
6398 (print_operand): Do not adjust return if
6399 sparc_std_struct_return.
6401 2006-04-04 Roger Sayle <roger@eyesopen.com>
6403 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
6404 convert in the middle-end.
6405 * expr.c (store_expr, store_constructor, get_inner_reference,
6406 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
6408 * tree.c (build_range_type): Likewise.
6410 2006-04-04 Tom Tromey <tromey@redhat.com>
6412 * doc/install.texi (Prerequisites): Mention jar.
6414 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
6416 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
6419 2006-04-04 Matthias Klose <doko@debian.org>
6421 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
6422 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
6425 2006-04-03 Geoffrey Keating <geoffk@apple.com>
6427 * doc/extend.texi (Function Attributes): Rewrite visibility
6428 attribute documentation.
6429 * doc/invoke.texi (C++ Dialect Options): Rewrite
6430 -fvisibility-inlines-hidden documentation to describe something
6431 entirely different, although in practise compatible.
6432 (Code Gen Options): Warn about system headers in -fvisibility=
6435 * doc/extend.texi (Other Builtins): Document that
6436 __builtin_nan is a compile-time constant only when its argument
6439 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
6441 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
6442 trying to remove TRUNCATE check if all bits outside the new mode
6443 are identical to the sign bit.
6445 2006-04-03 Jeff Law <law@redhat.com>
6447 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
6448 and operand scanning in some common cases.
6450 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6451 Dale Johannesen <dalej@apple.com>
6454 * regclass.c (struct reg_pref): Update documentation.
6455 (regclass): Set prefclass to NO_REGS if memory is the best option.
6456 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6457 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
6458 into account. For non-registers, equate an empty preferred
6459 reload class to a `!' in the constraint; move the if clause to
6460 do so after those that reject the insn.
6461 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
6463 (find_dummy_reload): Likewise.
6464 * doc/tm.texi (Register Classes): Document what it means
6465 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
6466 * config/i386/i386.c (ix86_preferred_reload_class): Force
6467 using SSE registers (and return NO_REGS for floating-point
6468 constants) if math is done with SSE.
6469 (ix86_preferred_output_reload_class): New.
6470 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
6471 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
6472 * config/i386/i386.md: Remove # register preferences.
6474 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6477 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6478 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
6479 the type of nb_iter.
6480 (instantiate_parameters_1): Convert the operands before calling
6481 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
6482 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
6484 2006-04-02 Roger Sayle <roger@eyesopen.com>
6486 * builtins.c (dummy_object): Use build_int_cst instead of convert.
6487 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
6489 * dojump.c (do_jump): Likewise.
6490 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
6491 * gimplify.c (gimple_boolify, gimplify_init_constructor,
6492 gimplify_boolean_expr): Likewise.
6493 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
6494 * varasm.c (array_size_for_constructor): Likewise.
6495 * tree-object-size.c (compute_object_offset): Likewise.
6497 2006-04-02 Roger Sayle <roger@eyesopen.com>
6500 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
6501 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
6503 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6505 PR tree-optimization/26939
6506 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
6508 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6510 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
6511 at_stmt. Convert the type of operands before calling
6512 build_polynomial_chrec.
6513 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
6515 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
6516 (instantiate_parameters_1): Convert the type of operands before calling
6517 build_polynomial_chrec.
6518 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
6519 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
6520 reset_evolution_in_loop): Insert asserts to check the types of the
6522 (chrec_type): Moved...
6523 (eq_evolutions_p): Use operand_equal_p.
6524 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
6525 the types of the operands.
6526 (chrec_type): ...here.
6527 * tree-data-ref.c (create_data_ref): Convert the operands before
6528 calling chrec_replace_initial_condition.
6529 (same_access_functions, analyze_subscript_affine_affine,
6530 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
6531 (compute_subscript_distance, analyze_ziv_subscript,
6532 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
6533 analyze_miv_subscript): Convert the operands before calling
6534 chrec_fold_minus or chrec_fold_plus.
6536 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6538 * tree-data-ref.c (compute_all_dependences): Use a pointer to
6539 the dependence_relations vector.
6540 (compute_data_dependences_for_loop): Adjust call to
6541 compute_all_dependences.
6543 2006-04-01 Roger Sayle <roger@eyesopen.com>
6544 Richard Henderson <rth@redhat.com>
6546 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
6547 gimple_boolify on the condition before calling gimplify_expr.
6549 2006-03-31 Bob Wilson <bob.wilson@acm.org>
6551 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
6552 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
6553 the frame size. Update to use the new macros.
6554 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
6555 * config/xtensa/ieee754-df.S: Likewise.
6557 2006-03-31 Richard Henderson <rth@redhat.com>
6559 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
6560 (make_edges): ... here. Control fallthru creation with a local
6561 variable. Do not play with fake edges.
6562 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
6563 (make_goto_expr_edges): Don't play with fake edges. Make for_call
6566 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
6568 * dwarf2.h (DW64_CIE_ID): Define.
6569 * dwarf2out.c (DWARF_CIE_ID): Define.
6570 (output_call_frame_info): Output 0xffffffff before standard 8-byte
6571 length header. Use DWARF_CIE_ID.
6572 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
6573 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
6575 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
6577 * config/sh/linux-atomic.asm: New file.
6578 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
6580 2006-03-31 DJ Delorie <dj@redhat.com>
6582 * config/m32c/cond.md: Set condition flags properly throughout.
6583 * config/m32c/minmax.md: Likewise.
6584 * config/m32c/prologue.md: Likewise.
6585 * config/m32c/bitops.md: Likewise.
6586 * config/m32c/muldiv.md: Likewise.
6587 * config/m32c/mov.md: Likewise.
6588 * config/m32c/addsub.md: Likewise.
6589 * config/m32c/m32c.md: Likewise.
6590 * config/m32c/jump.md: Likewise.
6591 * config/m32c/shift.md: Likewise.
6593 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
6594 conditionally output the pattern for this.
6595 * config/m32c/m32c.c (flags_needed_for_conditional): New.
6596 (m32c_compare_redundant): New.
6597 (m32c_output_compare): New.
6598 * config/m32c/m32c-protos.h (m32c_output_compare): New.
6600 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
6601 dest, not src. Allow other 4-byte modes.
6603 2006-03-30 Denis Chertykov <denisc@overta.ru>
6605 * doc/md.texi: Refer to avr/constraints.md instead of
6608 2006-03-30 Roger Sayle <roger@eyesopen.com>
6610 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
6611 signed vs. unsigned comparison failures on some hosts.
6613 2006-03-31 Alan Modra <amodra@bigpond.net.au>
6616 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
6617 change to FLOAT_REGS.
6619 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
6620 (rs6000_override_options): Use it.
6621 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
6622 only for -mabi=spe/no-spe and -mabi=altivec.
6624 2006-03-30 Geoffrey Keating <geoffk@apple.com>
6626 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
6629 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
6631 * Makefile.in: Rename docdir to gcc_docdir.
6633 2006-03-30 Roger Sayle <roger@eyesopen.com>
6636 * expr.c (emit_group_store): Optimize group stores into a pseudo
6637 register by using a paradoxical subreg to initialize the destination
6638 if the first or last member of the group specifies a "low part".
6640 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6643 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
6644 * target.h (struct gcc_target.speculate_insn): Change type of the
6645 second parameter to 'int'.
6646 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
6647 the second operand of the DEPS_LIST.
6648 (copy_DEPS_LIST_list): Update reference to the second operand of the
6650 * rtl.h (alloc_DEPS_LIST): Update signature.
6651 * sched-int.h (ds_t): Change typedef to 'int'.
6652 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6654 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6656 * haifa-sched.c (try_ready): Change condition to restore
6657 non-speculative pattern of the instruction.
6658 (process_insn_depend_be_in_spec): Code to keep probability of the
6659 speculative dependence non-decreasing.
6661 2006-03-30 Jie Zhang <jie.zhang@analog.com>
6663 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
6664 (single_move_for_movmem): ... this. Also change all uses.
6665 (bfin_expand_strmov): Renamed to...
6666 (bfin_expand_movmem): ... this. Also change all uses.
6667 * config/bfin/bfin.md (movstrsi): Renamed to...
6668 (movstrsi): ...this.
6670 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
6672 PR tree-optimization/26830
6674 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
6675 (copy_prop_visit_stmt): Remove write-only variable ann.
6676 (init_copy_prop): Check variable loop depth here. Do not simulate
6677 memory-tag and virtual operand PHIs except for store copy prop.
6679 2006-03-30 Richard Guenther <rguenther@suse.de>
6681 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
6682 variants with double arguments.
6684 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6686 * genpreds.c (write_tm_constrs_h): Delete variable p.
6687 * genconditions.c (write_header): Add tm-constrs.h to included
6689 * genpeep.c (main): Add toplev.h to included headers.
6690 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
6691 (build/genpeep.o): Add toplev.h dependency.
6692 * config/rs6000/constraints.md: Add "W" constraint.
6694 2006-03-29 Roger Sayle <roger@eyesopen.com>
6696 * stor-layout.c (mode_for_size_tree): Remove restiction on type
6697 sizes by correctly testing whether the size fits a host integer.
6698 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
6699 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
6700 SImode range for the default sizetype and bitsizetype.
6702 2006-03-29 Roger Sayle <roger@eyesopen.com>
6704 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
6705 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
6706 quickly if the argument is already of the correct type.
6707 Call fold_build1 instead of build1. Tidy up blank lines.
6709 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6711 * genemit.c (main): Add tm-constrs.h to included headers.
6712 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
6713 * genpeep.c (main): Add tm-constrs.h to included headers.
6714 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
6715 (write_tm_constrs_h): this and write complete file.
6716 (write_tm_preds_h): Do not emit satisfies_constraint fns.
6717 (write_insn_preds_c): Add tm-constrs.h to included headers.
6718 (gen_constrs): New variable.
6719 (parse_option): Parse "-c".
6720 (main): Invoke write_tm_constrs_h.
6721 * genrecog.c (write_header): Add tm-constrs.h to included headers.
6722 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
6723 (object_out_file): Add tm-constrs.h dependency.
6724 (insn-emit.o): Same.
6725 (insn-output.o): Same.
6726 (insn-peep.o): Same.
6727 (insn-preds.o): Same.
6728 (insn-recog.o): Same.
6729 (tm-constsr.h): New target.
6730 (s-constrs-h): New target.
6732 * config/rs6000/constraints.md: New file.
6733 * config/rs6000/rs6000.c: Include tm-constrs.h.
6734 (num_insn_constant_wide): Convert to satisfies_constraint.
6735 (rs6000_rtx_costs): Convert to satisfies_constraint.
6736 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
6737 (CONST_OK_FOR_LETTER_P): Delete.
6738 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6739 (EXTRA_CONSTRAINT): Delete.
6740 (EXTRA_MEMORY_CONSTRAINT): Delete.
6741 (EXTRA_ADDRESS_CONSTRAINT): Delete.
6742 * config/rs6000/predicates.md: Convert to satisfies_constraint.
6743 * config/rs6000/rs6000.md: Include constraints.md. Convert to
6744 satisfies_constraint.
6746 * config/i386/i386.c: Include tm-constrs.h.
6748 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6750 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
6751 * tree-data-ref.c (find_data_references_in_loop,
6752 compute_data_dependences_for_loop): Use pointers to VEC.
6753 (analyze_all_data_dependences): Adjust calls.
6754 * tree-data-ref.h (find_data_references_in_loop,
6755 compute_data_dependences_for_loop): Adjust declarations.
6756 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
6757 compute_data_dependences_for_loop.
6759 2006-03-29 Paul Brook <paul@codesourcery.com>
6761 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
6764 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6766 PR tree-optimization/26859
6767 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
6769 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
6770 for the step after fold_convert.
6772 2006-03-29 Paul Brook <paul@codesourcery.com>
6774 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
6775 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
6777 2006-03-29 Paul Brook <paul@codesourcery.com>
6780 * targhooks.c (default_narrow_bitfield): New fuction.
6781 * targhooks.h (default_narrow_bitfield): add prototype.
6782 * target.h (gcc_target): Add narrow_volatile_bitfield.
6783 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6784 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
6785 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
6786 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6788 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
6790 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
6792 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
6793 (NR_C_MODES): Add TDmode, DDmode and SDmode.
6794 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
6795 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
6796 (s390_function_arg_float): Allow SDmode and DDmode values to be
6797 passed in floating point registers.
6798 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
6799 check with SCALAR_FLOAT_MODE_P.
6800 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
6802 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6804 PR tree-optimization/25985
6805 * tree-ssa-loop-niter.c (number_of_iterations_le,
6806 number_of_iterations_ne): Make comments more precise.
6807 (number_of_iterations_cond): Add only_exit argument. Use the
6808 fact that signed variables do not overflow only when only_exit
6810 (loop_only_exit_p): New.
6811 (number_of_iterations_exit): Pass result of loop_only_exit_p to
6812 number_of_iterations_cond.
6814 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6816 PR tree-optimization/26643
6817 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
6820 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
6822 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
6823 (divsi3_i4_int): Likewise.
6825 2006-03-28 Roger Sayle <roger@eyesopen.com>
6827 * expr.c (emit_group_store): Only create a new pseudo reg if the
6828 quantity it needs to hold isn't already a suitable pseudo.
6830 2006-03-28 Jeff Law <law@redhat.com>
6832 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
6833 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
6835 2006-03-28 Roger Sayle <roger@eyesopen.com>
6837 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
6838 the equivalent ~X & Y, and the symmetry related transformations.
6839 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
6840 ~X & Y, and symmetry related transforms.
6842 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6844 Revert my 2006-03-27 patches.
6846 2006-03-28 Roger Sayle <roger@eyesopen.com>
6848 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
6849 ~(T1)X, when T1 and T2 are integer types of the same precision
6850 and (T2)X isn't an extension.
6852 2006-03-28 Jeff Law <law@redhat.com>
6854 PR tree-optimization/26796
6855 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
6856 need EH edge cleanups rather than purging them immediately.
6857 (eliminate_degenerate_phis): Handle queued EH cleanups.
6859 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
6861 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
6864 2006-03-27 Roger Sayle <roger@eyesopen.com>
6867 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
6868 cast BIT_NOT_EXPR operand to the correct type.
6870 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
6872 * tree-loop-linear.c: Don't include varray.h.
6873 (gather_interchange_stats, try_interchange_loops,
6874 linear_transform_loops): Use VEC instead of VARRAY.
6875 * lambda-mat.c: Don't include varray.h.
6876 * tree-chrec.c: Same.
6877 * lambda-trans.c: Same.
6878 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
6879 VEC instead of VARRAY.
6880 * tree-vectorizer.h: Idem.
6881 * tree-data-ref.c (dump_data_references,
6882 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
6883 initialize_data_dependence_relation, finalize_ddr_dependent,
6884 compute_all_dependences, find_data_references_in_loop,
6885 compute_data_dependences_for_loop, analyze_all_data_dependences,
6886 free_dependence_relation, free_dependence_relations,
6887 free_data_refs): Idem.
6888 * tree-data-ref.h (data_reference_p, subscript_p): New.
6889 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
6890 VEC instead of VARRAY.
6891 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
6892 (find_data_references_in_loop, compute_data_dependences_for_loop,
6893 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
6894 dump_data_dependence_relations, free_dependence_relations,
6895 free_data_refs): Adjust declaration.
6896 (lambda_transform_legal_p): Move declaration here...
6897 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
6898 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
6899 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
6900 vect_analyze_data_refs): Use VEC instead of VARRAY.
6901 * lambda.h (lambda_transform_legal_p): ...from here.
6902 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
6903 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
6904 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
6905 tree-chrec.o): Don't depend on VARRAY_H.
6907 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6909 * rtl.def (Copyright): Update date.
6910 (DEPS_LIST): Change type of the second operand to 'int'.
6911 * target.h (Copyright): Update date.
6912 (struct gcc_target.speculate_insn): Change type of the second parameter
6914 * lists.c (Copyright): Update date.
6915 (alloc_DEPS_LIST): Change signature. Update reference to the second
6916 operand of the DEPS_LIST.
6917 (copy_DEPS_LIST_list): Update reference to the second operand of the
6919 * rtl.h (Copyright): Update date.
6920 (alloc_DEPS_LIST): Update signature.
6921 * sched-int.h (Copyright): Update date.
6922 (ds_t): Change typedef to 'int'.
6923 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6925 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6927 * haifa-sched.c (Copyright): Update date.
6928 (try_ready): Change condition to restore non-speculative pattern
6930 (process_insn_depend_be_in_spec): Code to keep probability of the
6931 speculative dependence non-decreasing.
6933 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
6935 * regrename.c (replace_oldest_value_addr): Initialize a variable to
6936 shut up the compiler.
6938 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
6940 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
6941 to use lib prefix for target.
6942 ($(T)libic_invalidate_array_4-200.a): Likewise.
6943 ($(T)libic_invalidate_array_4a.a): Likewise.
6945 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
6946 J"orn Rennecke <joern.rennecke@st.com>
6948 * superh.opt: New file.
6949 * sh.c (boardtype, osruntime): Remove.
6950 * superh.h (SUBTARGET_OPTIONS): Remove.
6951 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
6953 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
6954 arguments with ^ and/or [].
6956 * config.gcc (sh-*-*): Add quoting to account for quirk of
6958 Replace == with = in enable_incomplete_targets test.
6960 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
6961 with MASK_LITTLE_ENDIAN.
6963 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
6964 * config/sh/sh.opt: Added to some comments.
6965 * config/sh/superh.h: Removed some chaff.
6967 * config/sh/sh.opt: Add m4-[1234]00* options.
6968 * config/sh/sh.c (sh_handle_option): Likewise.
6969 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
6970 (ic_invalidate_array_4-100.o): New rule.
6971 ($(T)libic_invalidate_array_4-100.a): Likewise.
6972 (ic_invalidate_array_4-200.o): Likewise.
6973 ($(T)libic_invalidate_array_4-200.a): Likewise.
6974 (ic_invalidate_array_4a.o): Likewise.
6975 ($(T)libic_invalidate_array_4a.a): Likewise.
6976 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
6977 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
6979 * config/sh/crt1.asm: Merged in profiling code.
6980 * config/sh/superh.h (STARTFILE_SPEC): Override.
6981 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
6982 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
6983 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
6985 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
6986 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
6987 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
6989 * sh.opt (mpretend-cmove): New option.
6990 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
6991 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
6992 (movsicc): Add TARGET_PRETEND_CMOVE code.
6994 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
6996 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
6997 s390_class_max_nregs): New function prototypes.
6998 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
6999 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
7000 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
7001 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
7003 2006-03-26 Geoffrey Keating <geoffk@apple.com>
7005 * dwarf2out.c (add_location_or_const_value_attribute): Call
7006 tree_add_const_value_attribute if nothing else works.
7007 (reference_to_unused): New.
7008 (rtl_for_decl_init): Use reference_to_unused to decide whether
7009 to output an initializer.
7011 2006-03-27 Alan Modra <amodra@bigpond.net.au>
7014 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
7015 peephole removing spe frob_di_df_2.
7017 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
7019 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
7020 (subscript_dependence_tester_1): Declared.
7021 (print_dir_vectors, print_dist_vectors): New.
7022 (debug_data_dependence_relation): New.
7023 (dump_data_dependence_relation): Print more details.
7024 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
7025 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
7026 (save_dist_v, save_dir_v, add_outer_distances,
7027 build_classic_dist_vector_1): New.
7028 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
7029 Don't test for lambda_vector_lexico_pos.
7030 (same_access_functions, add_multivariate_self_dist,
7031 add_other_self_distances, dir_from_dist): New.
7032 (build_classic_dir_vector): Replace implementation almost identical to
7033 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
7035 (subscript_dependence_tester_1): New.
7036 (subscript_dependence_tester): Handle the lexicographically negative
7037 distance vectors by recomputing the dependence relation.
7038 (compute_affine_dependence): Remove parameter loop_nest_depth.
7039 (compute_self_dependence): Don't call compute_subscript_distance.
7040 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
7041 Add a parameter for the loop_nest.
7042 (find_loop_nest_1, find_loop_nest): New.
7043 (compute_data_dependences_for_loop): Compute the loop nest, and give
7044 up if the nest is not well formed.
7045 * tree-data-ref.h (loop_p): New.
7046 (struct data_dependence_relation): Replace size_vect field with
7047 loop_nest, a vec of loops.
7048 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
7049 (DDR_LOOP_NEST): New.
7050 (print_dir_vectors, print_dist_vectors,
7051 debug_data_dependence_relation): Declared.
7052 (index_in_loop_nest): New.
7053 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
7054 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
7057 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
7059 * simplify-rtx.c (simplify_relational_operation): Call
7060 simplify_relational_operation_1 even if mode is VOIDmode.
7062 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
7064 PR tree-optimization/26804
7065 * tree.h (DECL_CALL_CLOBBERED): New macro.
7066 (tree_decl_common): Add call_clobbered_flag.
7067 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
7068 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
7069 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
7070 (mark_non_addressable): Ditto.
7071 * tree-ssa.c (verify_call_clobbered): New function.
7072 (verify_alias_info): Use it.
7073 * tree-pass.h (pass_reset_cc_flags): New prototype.
7074 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
7075 (reset_cc_flags): New function.
7076 * passes.c (init_optimization_passes): Call reset_cc_flags after
7077 initializing referenced_vars.
7079 2006-03-25 Uros Bizjak <uros@kss-loka.si>
7080 Roger Sayle <roger@eyesopen.com>
7083 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
7084 to 1.0 for non-real operands. Implement A / A optimization for
7087 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
7089 * config/i386/i386.c (size_cost): Correct the comment for
7090 cost of storing fp registers.
7091 (i386_cost): Likewise.
7092 (i486_cost): Likewise.
7093 (pentium_cost): Likewise.
7094 (pentiumpro_cost): Likewise.
7095 (k6_cost): Likewise.
7096 (athlon_cost): Likewise.
7097 (k8_cost): Likewise.
7098 (pentium4_cost): Likewise.
7099 (nocona_cost): Likewise.
7100 (generic64_cost): Likewise.
7101 (generic32_cost): Likewise.
7103 2006-03-24 Denis Chertykov <denisc@overta.ru>
7105 * config/avr/avr-protos.h (extra_constraint): Delete.
7106 (extra_constraint_Q): New declaration.
7107 * config/avr/constraints.md: New file.
7108 * config/avr/avr.md: Include it.
7109 (REG_X, REG_Y, REG_Z, REG_W): New constants.
7110 (TMP_REGNO, ZERO_REGNO): Likewise.
7111 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
7112 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
7113 (extra_constraint): Delete.
7114 (extra_constraint_Q): Test for memory constraint 'Q'.
7115 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
7116 (REG_CLASS_FROM_LETTER): Delete.
7117 (CONST_OK_FOR_LETTER_P): Delete.
7118 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7119 (EXTRA_CONSTRAINT): Delete.
7120 (TMP_REGNO): Delete.
7121 (ZERO_REGNO): Delete.
7123 2006-03-24 Jeff Law <law@redhat.com>
7125 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
7126 directly. Call mark_new_vars_to_rename slightly earlier.
7128 2006-03-24 Geoffrey Keating <geoffk@apple.com>
7130 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
7132 (gen_compile_unit_die): Use new language types for Objective-C and
7134 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
7135 DW_LANG_C_plus_plus.
7138 * config/t-darwin (crt3.o): Work around bug 26840.
7139 * config/darwin-crt3.c: Rewrite.
7140 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
7142 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
7144 * doc/invoke.texi: Document -femit-class-debug-always
7145 * common.opt: Add -femit-class-debug-always.
7147 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
7149 * config/s390/s390.c (s390_decompose_address): Allow SImode for
7150 index and base register.
7151 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
7152 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
7153 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
7154 REGNO_OK_FOR_INDEX_P.
7155 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
7157 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
7158 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
7159 REG_OK_FOR_BASE_P): Definitions removed.
7161 2006-03-24 Jakub Jelinek <jakub@redhat.com>
7164 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
7165 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
7166 set yet or weren't marked as local yet.
7168 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
7170 * regrename.c (scan_rtx_address): Initialize a variable to shut up
7173 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
7175 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
7176 (rs6000_legitimate_small_data_p): Delete.
7177 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
7178 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
7179 and make static. Add forward declaration. Update uses.
7180 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
7181 of offsettable_memref_p.
7182 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
7183 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
7185 2006-03-24 Jeff Law <law@redhat.com>
7187 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
7188 around bug in immediate-use iterator.
7190 2006-03-24 Alan Modra <amodra@bigpond.net.au>
7193 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
7194 or __LITTLE_ENDIAN__.
7196 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
7198 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
7199 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
7200 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
7201 * config/sh/sh.opt (mdiv=): Amend description.
7202 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
7203 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
7204 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
7205 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
7206 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
7207 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
7208 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
7209 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
7210 TARGET_DIVIDE_CALL_FP.
7212 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7214 * haifa-sched.c (choose_ready): Fix type of the local variable.
7215 Move local variables. Add comment.
7216 (check_reg_live): Change signature. Make callable from debugger.
7217 * sched-int.h (check_reg_live): Update signature.
7218 * sched-ebb.c (check_reg_live): Update parameters.
7219 * sched-rgn.c (check_reg_live): Ditto.
7220 (region_head_or_leaf_p): Check pointer before dereferencing.
7221 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
7222 before reload on optimization levels below 1.
7224 2006-03-23 Richard Henderson <rth@redhat.com>
7226 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
7230 * config/alpha/predicates.md (local_symbolic_operand): Reject
7233 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
7236 * tree-ssa-pre.c (create_value_expr_from): Don't reject
7237 expressions which have overflowed constants.
7239 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7241 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
7243 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7245 * cfgloopmanip.c (create_loop_notes): Removed.
7246 * final.c (final_scan_insn): Do not handle loop notes.
7247 * jump.c (squeeze_notes): Ditto.
7248 * cfglayout.c (skip_insns_after_block,
7249 duplicate_insn_chain): Ditto.
7250 * cfgcleanup.c (rest_of_handle_jump2): Do not call
7252 * cfgloop.h (create_loop_notes): Declaration removed.
7254 2006-03-23 Richard Sandiford <richard@codesourcery.com>
7256 * varasm.c (output_constant_pool): Restore fnname and fndecl
7258 (assemble_start_function): Adjust call accordingly.
7259 (assemble_end_function): Likewise.
7261 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7264 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
7267 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
7269 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7272 * system.h (ICE_EXIT_CODE): New macro.
7273 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
7274 (diagnostic_action_after_output): Likewise.
7275 * gcc.c (fatal_ice): New function.
7276 (execute): Use it instead of fatal.
7277 (fancy_abort): Likewise.
7278 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
7280 2006-03-22 Jeff Law <law@redhat.com>
7282 * loop-unroll.c (analyze_iv_to_split_insn): Handle
7283 iv_analyze_result returning false.
7285 2006-03-22 Jie Zhang <jie.zhang@analog.com>
7287 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
7289 2006-03-22 Richard Henderson <rth@redhat.com>
7292 * except.c (duplicate_eh_regions_0): New.
7293 (duplicate_eh_region_1): Duplicate the children of the node as
7294 well as the node itself. Link them up properly.
7295 (duplicate_eh_region_2): Merge into ...
7296 (duplicate_eh_regions): ... here. Take copy_region argument, and
7297 copy only a sub-tree if asked. Simplify copying and fixup.
7298 (eh_region_outer_p): New.
7299 * except.h (duplicate_eh_regions): Update decl.
7300 (eh_region_outer_p): Declare.
7301 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
7302 (lower_omp_master): Likewise.
7303 (lower_omp_ordered): Likewise.
7304 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
7305 (move_stmt_r): Use it to remap labels. Handle recursion vs
7306 remap_decls_p properly.
7307 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
7308 (find_outermost_region_in_block): New.
7309 (new_label_mapper): New.
7310 (move_sese_region_to_fn): Copy eh information to the new function
7312 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
7314 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
7317 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7319 * doc/md.texi (-mshared): Mention that -mshared code can be linked
7320 into shared libraries.
7322 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7324 * doc/md.texi: Refer to i386/constraints.md instead of
7326 * config/i386/constraints.md: New file, extracted from...
7327 * config/i386/predicates.md: ...here.
7328 * config/i386/i386.md: Include constraints.md.
7330 2006-03-21 Jason Merrill <jason@redhat.com>
7332 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
7335 * expr.c (init_block_move_fn): Force default visibility.
7336 (init_block_clear_fn): Likewise.
7337 * builtins.c (expand_builtin_fork_or_exec): Likewise.
7338 * targhooks.c (default_external_stack_protect_fail): Likewise.
7340 2006-03-21 Richard Sandiford <richard@codesourcery.com>
7342 * config/mips/predicates.md (const_call_insn_operand): Allow direct
7343 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
7344 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
7345 Use TARGET_OLDABI instead of !TARGET_NEWABI.
7346 (loadgp): Use mips_current_loadgp_style.
7347 (loadgp_noshared): New pattern.
7348 (sibcall_internal): Use MIPS_CALL.
7349 (sibcall_value_internal): Likewise.
7350 (sibcall_value_multiple_internal): Likewise.
7351 (call_internal): Likewise.
7352 (call_value_internal): Likewise.
7353 (call_value_multiple_internal): Likewise.
7354 (call_split): Use MIPS_CALL and add an 'S' constraint.
7355 (call_value_split): Likewise.
7356 (call_value_multiple_split): Likewise.
7357 * config/mips/mips.opt (-mabicalls): Tweak docstring.
7358 (-mshared): New option.
7359 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
7360 (mips_current_loadgp_style): Declare.
7361 * config/mips/mips.c (mips_classify_symbol): Avoid using
7362 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
7363 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
7364 TARGET_ABSOLUTE_ABICALLS.
7365 (override_options): Adjust comments. Improve the warning that is
7366 issued when -mabicalls and -G are used together.
7367 (mips_file_start): Remove comment.
7368 (mips_current_loadgp_style): New function.
7369 (mips_gnu_local_gp): New variable.
7370 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
7372 (mips_output_function_prologue): Use mips_current_laodgp_style.
7373 (mips_expand_prologue): Call mips_emit_loadgp before emitting
7374 the cprestore instruction.
7375 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
7376 live for TARGET_ABSOLUTE_ABICALLS.
7377 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
7378 (ASM_SPEC): Pass down -mshared and -mno-shared.
7379 (MIPS_CALL): New macro.
7380 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
7382 * doc/invoke.texi (-mabicalls): Update documentation.
7383 (-mshared): Document.
7385 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7387 * config/ia64/unwind-hpux.c: New file.
7388 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
7390 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7393 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
7395 2006-03-21 Jeff Law <law@redhat.com>
7397 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
7398 type conversions of a VR_VARYING source to a wider type.
7400 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
7402 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
7403 tm_file on Solaris 10 and later.
7404 (sparc64-*-solaris2*): Likewise.
7405 (sparc-*-solaris2*): Likewise.
7406 * config/sol26.h: Rename to config/sol2-6.h.
7407 * config/sol2-10.h: New file.
7409 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
7412 * tree-ssa-pre.c (create_component_ref_by_pieces):
7415 2006-03-21 Jakub Jelinek <jakub@redhat.com>
7418 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
7419 return it immediately.
7421 2006-03-21 Michael Matz <matz@suse.de>
7423 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
7425 (remove_arc, add_arc): Update num_out_arcs member.
7426 (set_out_arc_insns_equiv_num): Returns nothing instead of number
7428 (cache_presence): New function.
7429 (compare_states_for_equiv): New function.
7430 (state_is_differed): Don't take number of outargs, adjust callers.
7431 Use new invariant for speeding up.
7432 (init_equiv_class): Create initial classes based on sorted
7434 (partition_equiv_class): Don't track out_arcs_num.
7435 (evaluate_equiv_classes): Call cache_presence on all states and
7438 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
7440 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
7441 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
7442 (bfin_valid_reg_p): Test for pseudos explicitly and use only
7443 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
7445 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
7446 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
7447 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
7448 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
7449 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
7451 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
7452 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
7453 (REGNO_REG_CLASS): ARGP is in PREGS.
7454 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
7456 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
7457 to deal with those addresses.
7458 * addresses.h: New file.
7459 * caller-save.c: Include "addresses.h".
7460 (init_caller_save): Use new base_reg_class function.
7461 * rtl-factoring.c: Include "addresses.h".
7462 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
7463 * recog.c: Include "addresses.h".
7464 (preprocess_constraints): Use new base_reg_class function.
7465 * regrename.c: Include "addresses.h".
7466 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
7467 functions. Keep track of a new var INDEX_CODE to compute valid
7469 (replace_oldest_value_addr): Likewise.
7470 (replace_oldest_value_mem): Use base_reg_class.
7471 * reload.c: Include "addresses.h".
7472 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
7473 (find_reloads): Use new base_reg_class function.
7474 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
7475 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
7476 all callers and prototype changed.
7477 * reload1.c: Include "addresses.h".
7478 (maybe_fix_stack_asms): Use base_reg_class.
7479 * regclass.c: Include "addresses.h".
7480 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
7481 (init_reg_autoinc): Use new base_reg_class function.
7482 (record_reg_classes): Likewise.
7483 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
7484 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
7485 Use new args to compute necessary class.
7487 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
7488 regrename.o, rtl-factoring.o): Update dependencies.
7489 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
7490 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
7491 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
7492 REG_OK_FOR_INDEX_P): Delete documentation.
7494 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
7496 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
7497 from V7 to V9 for Solaris 7 and above.
7499 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
7501 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
7502 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
7503 argument pointers may not alias any other storage.
7504 * common.opt: Define option -fargument-noalias-anything.
7505 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
7506 alias semantics is specified by flag_argument_noalias > 2.
7508 2006-03-20 Jeff Law <law@redhat.com>
7510 * tree-pass.h (pass_phi_only_copy_prop): Delete.
7511 (pass_phi_only_cprop): Declare.
7512 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
7514 * tree-ssa-dom.c (degenerate_phi_result): New function.
7515 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
7516 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
7517 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
7518 (eliminate_degenerate_phis): Likewise.
7519 (pass_phi_only_cprop): New pass descriptor.
7520 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
7521 support code. Callers updated.
7522 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
7523 (store_copy_prop): Likewise.
7524 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
7526 2006-03-20 Jason Merrill <jason@redhat.com>
7529 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
7530 (push_visibility, pop_visibility): Likewise.
7531 * c-pragma.h: Declare them.
7533 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
7535 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
7537 * config/sh/sh.c (find_regmode_weight): Change the type of the first
7538 parameter and use get_ebb_head_tail.
7539 (sh_md_init_global): Adjust uses of find_regmode_weight.
7541 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
7543 * function.h (struct function) <x_tail_recursion_reentry>:
7544 Rename to x_stack_check_probe_note.
7545 (tail_recursion_reentry): Rename to stack_check_probe_note.
7546 * function.c: Replace tail_recursion_reentry with
7547 stack_check_probe_note everywhere.
7548 (expand_function_start): Only emit a note for
7549 stack_check_probe_note with -fstack-protect.
7550 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
7552 * emit-rtl.c (remove_unnecessary_notes): Remove.
7553 (pass_remove_unnecessary_notes): Remove.
7554 * rtl.h (remove_unnecessary_notes): Remove prototype.
7555 * final.c (final_start_function): Don't call remove_unnecessary_notes.
7556 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
7557 * passes.c (pass_remove_unnecessary_notes): Don't run it.
7559 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
7562 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
7563 (valid_in_set): Handle ARRAY_REF.
7564 Change "if min_variant or VH" to asserts.
7565 (create_component_ref_by_pieces): Handle ARRAY_REF.
7566 (create_expression_by_pieces): Likewise.
7567 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
7569 2006-03-20 David Edelsohn <edelsohn@gnu.org>
7571 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
7572 is operand of switch, not str[0].
7574 2006-03-20 Alan Modra <amodra@bigpond.net.au>
7576 * config/rs6000/rs6000.c (rs6000_handle_option): Use
7577 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
7579 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7581 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
7582 end of insn_extra_address_constraint declaration.
7584 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7586 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
7587 (no-sum-in-toc): Same.
7588 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
7590 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
7591 NO_FP_IN_TOC for -fPIC instead of mask.
7593 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
7594 (BOOT_LDFLAGS): Delete.
7596 * config/rs6000/t-aix52: Same.
7598 * config/rs6000/rs6000.md (store_multiple_power): Delete.
7599 (stmsi[345678]_power): New.
7601 2006-03-17 Steve Ellcey <sje@cup.hp.com>
7603 * config/ia64/ia64.opt: Add empty line to end of file.
7605 2006-03-17 Richard Guenther <rguenther@suse.de>
7608 * builtins.c (get_pointer_alignment): For component style references
7609 adjust alignment to the component type alignment. Make sure
7610 to adjust alignment for component access of constants.
7612 2006-03-17 David Edelsohn <edelsohn@gnu.org>
7614 * config/rs6000/rs6000.md (strlensi): Emit barrier after
7617 2006-03-17 Paul Brook <paul@codesourcery.com>
7619 * doc/install.texi: Docuemnt --with-mode.
7620 * config.gcc: Add --with-mode for arm*-*-*.
7621 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
7623 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
7625 * sh.c (max_labelno_before_reorg): New variable.
7626 (sh_reorg): Initialize it.
7627 (find_barrier): Check max_labelno_before_reorg before using
7628 label_to_alignment. Take length of explicit alignment insns
7629 into account. When seeing a UNSPECV_CONST_END, return it.
7631 * sh.c (fixup_mova): Set mode of affected label to QImode.
7632 (untangle_mova): New function.
7633 (find_barrier): Use it. Check mode of label before decrementing
7635 (sh_reorg): Likewise.
7636 Set mode of all insns back to VOIDmode.
7638 * sh.c (MOVA_LABELREF): New macro.
7639 (mova_p, fixup_mova, sh_reorg): Use it.
7640 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
7641 ADDR_DIFF_VEC matches mova.
7643 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
7645 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
7646 with ATTRIBUTE_UNUSED.
7648 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7650 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7651 pointer, instead of assuming it is possible to derive the
7652 correct args size from a call insn.
7654 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7656 * rtl.h (CONST_INT_P): Define.
7657 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
7658 instead of GET_CODE(x) == CONST_INT.
7659 (vax_rtx_costs): Likewise.
7660 (vax_output_int_move): Likewise.
7661 (vax_output_int_add): Likewise.
7662 (legitimate_constant_address_p): Likewise.
7663 (index_term_p): Likewise.
7664 * config/vax/vax.h (PRINT_OPERAND): Likewise.
7665 * config/vax/vax.md (and<mode>3): Likewise.
7666 (ashrsi3): Likewise.
7668 (movstricthi): Likewise.
7669 (movstrictqi): Likewise.
7670 (rotrsi3): Likewise.
7671 (five unnamed insns): Likewise.
7673 2006-03-16 Geoffrey Keating <geoffk@apple.com>
7675 * doc/tm.texi (SDB and DWARF): Add extra parameter to
7676 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
7677 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
7678 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
7679 Pass to ASM_OUTPUT_DWARF_OFFSET.
7680 * dwarf2out.c (debug_frame_section): New.
7681 (output_call_frame_info): Use debug_frame_section. Pass it to
7682 dw2_asm_output_offset.
7683 (output_die): Pass appropriate section to dw2_asm_output_offset.
7684 (output_compilation_unit_header): Likewise.
7685 (output_pubnames): Likewise.
7686 (output_aranges): Likewise.
7687 (enum dw_val_class): Break dw_val_class_lbl_offset into
7688 dw_val_class_lineptr and dw_val_class_macptr.
7689 (add_AT_lbl_offset): Delete.
7690 (add_AT_lineptr): New.
7691 (add_AT_macptr): New.
7692 (AT_lbl): Expect a lineptr or macptr.
7693 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
7694 (attr_checksum): Likewise.
7695 (same_dw_val_p): Likewise.
7696 (size_of_die): Likewise.
7697 (value_format): Likewise.
7698 (output_die): Likewise.
7699 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
7701 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7702 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
7703 * config/darwin-protos.h (darwin_file_start): New.
7704 (darwin_asm_output_dwarf_offset): New.
7705 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7706 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
7708 * config/darwin.c (darwin_emit_unwind_label): Don't output label
7709 if not EH section; simplify.
7710 (darwin_file_start): New.
7711 (darwin_asm_output_dwarf_offset): New.
7712 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
7714 (DEBUG_INFO_SECTION): Likewise.
7715 (DEBUG_ABBREV_SECTION): Likewise.
7716 (DEBUG_ARANGES_SECTION): Likewise.
7717 (DEBUG_MACINFO_SECTION): Likewise.
7718 (DEBUG_LINE_SECTION): Likewise.
7719 (DEBUG_LOC_SECTION): Likewise.
7720 (DEBUG_PUBNAMES_SECTION): Likewise.
7721 (DEBUG_STR_SECTION): Likewise.
7722 (DEBUG_RANGES_SECTION): Likewise.
7723 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
7724 (ASM_OUTPUT_DWARF_OFFSET): New.
7726 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
7728 * config.gcc (tm_defines): Always add to previous value rather
7731 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7733 * config/mips/predicates.md (splittable_const_int_operand): New,
7734 split from move_operand.
7735 (splittable_symbolic_operand): New.
7736 (move_operand): Add commentary. Use splittable_const_int_operand.
7737 Inline mips_atomic_symbolic_constant_p.
7738 * config/mips/mips.md: Add combine splitters for handling moves
7739 of splittable_const_int_operands and splittable_symbolic_operands.
7740 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
7741 (mips_split_symbol): Declare.
7742 (mips_move_integer): Declare.
7743 * config/mips/mips.c (mips_split_p): Make global.
7744 (TARGET_MIN_ANCHOR_OFFSET): Override default.
7745 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7746 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7747 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
7748 (mips_offset_within_object_p): Handle block symbols.
7749 (mips_atomic_symbolic_constant_p): Delete.
7750 (mips_cannot_force_const_mem): Return false for constants that
7751 mips_legitimize_move can handle.
7752 (mips_use_blocks_for_constant_p): New function.
7753 (mips_split_symbol): Make global.
7754 (mips_move_integer): Likewise. Add a temporary register argument.
7755 (mips_legitimize_const_move): Use splittable_const_int_operand and
7756 splittable_symbolic_operand.
7757 (mips_use_anchors_for_symbol_p): New function.
7758 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
7759 (mips_split_p): Declare.
7761 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7763 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
7764 (mips*-*-linux*): Likewise.
7766 2006-03-16 Roger Sayle <roger@eyesopen.com>
7767 Daniel Speyer <dspeyer@wam.umd.edu>
7770 * tree-dump.c (dump_real): New function.
7771 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
7772 * Makefile.in (REAL_H): New macro for dependencies on real.h.
7773 (tree-dump.o): Add $(REAL_H) to the dependencies.
7775 2006-03-16 Roger Sayle <roger@eyesopen.com>
7778 * real.c (real_from_string): If the mantissa is zero, don't bother
7779 parsing the exponent as the result should always be zero.
7781 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
7783 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
7785 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7787 * config/ia64/ia64.c (stops_p): Added explicit initialization.
7788 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
7789 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
7790 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
7791 ia64_sched_finish_global): New static functions to implement
7792 hooks from gcc_target.sched.
7793 (spec_check_no, max_uid, pending_data_specs): New static variables.
7794 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
7795 ia64_spec_check_src_p): New static functions.
7796 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
7797 (TARGET_SCHED_ADJUST_COST): Removed.
7798 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
7799 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
7800 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7801 TARGET_SCHED_GEN_CHECK,
7802 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7803 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
7804 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
7805 Fixed to handle speculation checks.
7806 (rtx_needs_barrier): Fixed to handle speculative loads and
7808 (ia64_variable_issue): Added code to count speculative loads and their
7810 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
7812 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
7814 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
7816 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
7817 (ia64_reorg): Reset stops_p to NULL after it is freed.
7818 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
7819 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
7820 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
7822 (data_speculative, control_speculative, check_load): New attributes.
7823 (mov<mode>_advanced, mov<mode>_speculative,
7824 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
7825 zero_extend<mode>di2_speculative,
7826 zero_extend<mode>di2_speculative_advanced): New patterns for
7827 data and control speculative loads.
7828 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
7830 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
7831 New pattern for data and control speculation checks.
7832 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
7833 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
7834 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
7835 Auxiliary definitions for the patterns.
7836 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
7837 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
7839 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
7841 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
7842 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
7843 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
7844 New resource constraints.
7845 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
7847 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
7848 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
7849 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7850 msched-in-control-spec, msched-ldc, msched-control-ldc,
7851 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7852 msched-prefer-non-control-spec-insns,
7853 msched-count-spec-in-critical-path): New flags to tune speculative
7855 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
7856 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7857 msched-in-control-spec, msched-ldc, msched-control-ldc,
7858 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7859 msched-prefer-non-control-spec-insns,
7860 msched-count-spec-in-critical-path): Document new flags.
7862 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7864 * target.h (struct spec_info_def): New opaque declaration.
7865 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
7866 speculate_insn, needs_block_p, gen_check,
7867 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
7868 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
7869 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
7870 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
7871 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7872 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
7874 (TARGET_SCHED): Use new macros.
7875 * rtl.h (copy_DEPS_LIST_list): New prototype.
7876 * sched-int.h (struct sched_info): Change signature of new_ready field,
7877 adjust all initializations. New fields: add_remove_insn,
7878 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
7879 region_head_or_leaf_p.
7880 (struct spec_info_def): New structure declaration.
7881 (spec_info_t): New typedef.
7882 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
7883 recovery_block, orig_pat.
7884 (glat_start, glat_end): New variables declaraions.
7885 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
7887 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
7888 DETACH_LIFE_INFO, USE_GLAT.
7889 (enum SPEC_SCHED_FLAGS): New enumeration.
7890 (NOTE_NOTE_BB_P): New macro.
7891 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
7892 attach_life_info, debug_spec_status, check_reg_live): New functions.
7893 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
7894 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
7896 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
7897 * ddg.c (get_block_head_tail): Adjust all uses.
7898 * modulo-sched.c (get_block_head_tail): Adjust all uses.
7899 (sms_sched_info): Initialize new fields.
7900 (contributes_to_priority): Removed.
7901 * haifa-sched.c (params.h): New include.
7902 (get_block_head_tail): Adjust all uses.
7903 (ISSUE_POINTS): New macro.
7904 (glat_start, glat_end): New global variables.
7905 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
7906 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
7907 old_last_basic_block, before_recovery, current_sched_info_var,
7908 rgn_n_insns, luid): New static variables.
7909 (insn_cost1): New function. Move logic from insn_cost to here.
7910 (find_insn_reg_weight1): New function. Move logic from
7911 find_insn_reg_weight to here.
7912 (reemit_notes, move_insn, max_issue): Change signature.
7913 (move_insn1): Removed.
7914 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
7915 extend_bb): New static functions to support extension of scheduler's
7917 (generate_recovery_code, process_insn_depend_be_in_spec,
7918 begin_speculative_block, add_to_speculative_block,
7919 init_before_recovery, create_recovery_block, create_check_block_twin,
7920 fix_recovery_deps): New static functions to support
7921 generation of recovery code.
7922 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
7923 restore_bb_notes, move_block_after_check, move_succs): New static
7924 functions to support ebb scheduling.
7925 (init_glat, init_glat1, attach_life_info1, free_glat): New static
7926 functions to support handling of register live information.
7927 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
7928 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
7929 add_jump_dependencies): New static functions.
7930 (check_cfg, has_edge_p, check_sched_flags): New static functions for
7931 consistancy checking.
7932 (debug_spec_status): New function to call from debugger.
7933 (priority): Added code to handle speculation checks.
7934 (rank_for_schedule): Added code to distinguish speculative instructions.
7935 (schedule_insn): Added code to handle speculation checks.
7936 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
7937 Fixed to handle ebbs.
7938 (move_insn): Added code to handle ebb scheduling.
7939 (max_issue): Added code to use ISSUE_POINTS of instructions.
7940 (choose_ready): Added code to choose between speculative and
7941 non-speculative instructions.
7942 (schedule_block): Added code to handle ebb scheduling and scheduling of
7943 speculative instructions.
7944 (sched_init): Initialize new variables.
7945 (sched_finish): Free new variables. Print statistics.
7946 (try_ready): Added code to handle speculative instructions.
7947 * lists.c (copy_DEPS_LIST_list): New function.
7948 * sched-deps.c (extend_dependency_caches): New function. Move logic
7949 from create_dependency_caches to here.
7950 (get_dep_weak, ds_merge): Make global.
7951 * genattr.c (main): Code to output prototype for
7952 dfa_clear_single_insn_cache.
7953 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
7954 (output_dfa_clean_insn_cache_func): Code to output
7955 dfa_clear_single_insn_cache function.
7956 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
7958 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
7960 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
7961 New static variables.
7962 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
7963 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
7965 (ebb_sched_info): Initialize new fields.
7966 (get_block_head_tail): Adjust all uses.
7967 (compute_jump_reg_dependencies): Fixed to use glat_start.
7968 (schedule_ebb): Code to remove unreachable last block.
7969 (schedule_ebbs): Added code to update register live information.
7970 * sched-rgn.c (region_sched_info): Initialize new fields.
7971 (get_block_head_tail): Adjust all uses.
7972 (last_was_jump): Removed. Adjust users.
7973 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
7974 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
7975 Implement new hooks.
7976 (check_dead_notes1): New static function.
7977 (struct region): New fields: dont_calc_deps, has_real_ebb.
7978 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
7979 (BB_TO_BLOCK): Fixed to handle EBBs.
7980 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
7981 (ebb_head): New static variable.
7982 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
7983 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
7985 (compute_dom_prob_ps): New assertion.
7986 (check_live_1, update_live_1): Fixed to work with glat_start instead of
7987 global_live_at_start.
7988 (init_ready_list): New assertions.
7989 (can_schedule_ready_p): Split update code to begin_schedule_ready.
7990 (new_ready): Add support for BEGIN_CONTROL speculation.
7991 (schedule_insns): Fixed code that updates register live information
7993 (schedule_region): Fixed to handle EBBs.
7994 (init_regions): Use extend_regions and check_dead_notes1.
7995 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
7996 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
7997 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
7998 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7999 TARGET_SCHED_GEN_CHECK,
8000 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8001 TARGET_SCHED_SET_SCHED_FLAGS): Document.
8002 * doc/invoke.texi (max-sched-insn-conflict-delay,
8003 sched-spec-prob-cutoff): Document.
8005 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8007 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
8008 inter_tick, queue_index.
8009 (struct sched_info): Change signature of init_ready_list field.
8010 Adjust all initializations.
8011 (RESOLVED_DEPS): New access macro.
8012 (ready_add): Remove prototype.
8013 (try_ready): Add prototype.
8014 * sched-rgn.c (init_ready_list): Use try_ready.
8015 (schedule_region): Initialize
8016 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
8017 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
8018 (init_ready_list): Use try_ready.
8019 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
8020 * lists.c (remove_list_elem): Remove `static'.
8021 (remove_free_INSN_LIST_elem): New function.
8022 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
8023 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
8024 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
8026 (readyp): New variable.
8027 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
8028 change_queue_index, resolve_dep): New static functions.
8029 (try_ready): New function. Adjust callers in sched-rgn.c and
8030 sched-ebb.c to use it instead of ready_add.
8031 (clock_var): Move at the begining of file.
8032 (rank_for_schedule): Fix typo.
8033 (queue_insn): Add assertion. Handle QUEUE_INDEX.
8034 (ready_lastpos): Enforce assertion.
8035 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
8037 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
8038 (schedule_insn): Rewrite to use try_ready and resolve_dep.
8039 (queue_to_ready): Use free_INSN_LIST_list.
8040 (early_queue_to_ready): Fix typo.
8041 (schedule_block): Init readyp. Move init_ready_list call after the
8042 initialization of clock_var. Fix error in rejecting insn by
8043 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
8044 that previously corrected INSN_TICKs. Add code for handling
8046 (set_priorities): Fix typo.
8047 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
8048 Clarify comment and code that keeps current_sched_info->next_tail
8051 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8053 * sched-rgn.c (extend_rgns): New static function.
8054 (find_rgns): Use it.
8055 (gather_region_statistics, print_region_statistics): New static
8057 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
8058 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
8060 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8061 Andrey Belevantsev <abel@ispras.ru>
8063 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
8064 * lists.c (unused_deps_list): New variable.
8065 (free_list): Add assertions to verify the proper distinguishing
8066 between INSN_LISTs and DEPS_LISTs.
8067 (find_list_elem, remove_list_elem, remove_list_node): New static
8069 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
8070 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
8071 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
8072 (alloc_INSN_LIST): Assert that the list we're working on is indeed
8074 (free_INSN_LIST_node): Likewise.
8075 * modulo-sched.c (current_sched_info): Initialize flags field.
8076 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
8077 * rtl.def (DEPS_LIST): Define.
8078 * rtl.h: Declare new functions from lists.c.
8079 * sched-deps.c (spec_dependency_cache): New static variable.
8080 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
8081 (add_dependence): Change return type to void. Move the logic to ...
8082 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
8083 (delete_all_dependences): Add comment about forward_dependency_cache.
8084 Handle spec_dependency_cache. Handle DEPS_LISTs.
8085 (fixup_sched_groups): Clarify the change of priority of output
8086 and anti dependencies.
8087 (sched_analyze_2): Adjust add_dependence calls to create data
8088 speculative dependence.
8089 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
8090 Adjust all callers. Handle DEPS_LISTS.
8091 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
8092 presence of speculation.
8093 (init_dependency_caches, free_dependency_caches):
8094 Handle spec_dependency_cache.
8095 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
8096 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
8097 New static functions.
8098 (add_or_update_back_dep, add_or_update_back_forw_dep,
8099 add_back_forw_dep, delete_back_forw_dep): New functions.
8100 * sched-int.h (ds_t, dw_t): New typedefs.
8101 (struct sched_info): Add new field flags.
8102 (struct haifa_insn_data): Add new bitfield has_internal_dep.
8103 Prototype new sched-deps.c functions.
8104 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
8105 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
8106 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
8107 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
8108 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
8109 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
8111 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
8113 * sched-rgn.c (current_sched_info): Initialize flags field.
8114 (schedule_insns): Initialize current_sched_info before the sched_init
8116 * sched-ebb.c (current_sched_info): Initialize flags field.
8117 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
8118 Call add_or_update_back_dep instead of add_dependence.
8119 Create control speculative dependencies.
8120 (schedule_insns): Initialize current_sched_info before the sched_init
8123 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
8125 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
8127 (sh_fallback_frame_state): Likewise.
8129 2006-03-15 Geoffrey Keating <geoffk@apple.com>
8131 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
8132 Do switch on default_use_cxa_atexit.
8133 (powerpc*-*-darwin*): Build crt2.o on powerpc.
8134 * config/darwin-crt3.o: New.
8135 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
8136 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
8137 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
8139 * config/rs6000/t-darwin: Move crt2.o building to here.
8140 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
8141 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
8144 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8146 * config/vax/vax.c (nonindexed_address_p): Change logical negation
8147 from '! xxx' to '!xxx' for coding-style conformance.
8148 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
8149 (EXTRA_CONSTRAINT): Likewise.
8150 * config/vax/vax.md (four unnamed insns): Likewise.
8152 2006-03-15 Paul Brook <paul@codesourcery.com>
8154 * config/arm/arm.c (minipool_pad): New.
8155 (add_minipool_forward_ref): Include pool alignment padding in address
8157 (push_minipool_fix): Set minipool_pad.
8158 (minipool_pad): Ditto.
8160 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8162 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
8163 instead of GET_CODE() == MEM and REG_P() instead of
8165 (print_operand_address): Likewise.
8166 (vax_address_cost): Likewise.
8167 (vax_rtx_costs): Likewise.
8168 (vax_notice_update_cc): Likewise.
8169 (vax_output_int_add): Likewise.
8170 (INDEX_REGISTER_P): Likewise.
8171 (BASE_REGISTER_P): Likewise.
8172 (nonindexed_address_p): Likewise.
8173 (vax_mode_dependent_address_p): Likewise.
8174 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
8175 (PRINT_OPERAND): Likewise.
8176 * config/vax/vax.md (ashlsi3): Likewise.
8177 (ashlsi3): Likewise.
8178 (some more unnamed insns): Likewise.
8180 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
8182 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
8183 iterator-style macro.
8184 (mark_control_dependent_edges_necessary): Update the use of
8185 EXECUTE_IF_CONTROL_DEPENDENT.
8187 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
8189 * config/sh/predicates.md (cache_address_operand): Special.
8190 (ua_address_operand): Likewise.
8192 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
8194 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
8196 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
8198 2006-03-15 Andreas Schwab <schwab@suse.de>
8200 * gensupport.c (identify_predicable_attribute): Don't free p_false
8201 when it is still in use.
8203 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
8205 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
8206 the default setting here.
8208 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
8210 * tree-pass.h (pass_cfg): Remove.
8211 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
8212 * passes.c (pass_cfg): Don't run it.
8214 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
8216 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
8217 * reg-stack.c (stack_regs_mentioned_data): Change the type to
8219 (stack_regs_mentioned): Update the uses of
8220 stack_regs_mentioned_data. Don't access the array beyond its
8222 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
8223 Don't include gt-reg-stack.h.
8225 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
8226 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
8228 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
8231 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
8234 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8236 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
8238 2006-03-14 Richard Guenther <rguenther@suse.de>
8240 PR tree-optimization/26672
8241 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
8244 2006-03-14 Richard Guenther <rguenther@suse.de>
8246 PR tree-optimization/26667
8247 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
8248 node for the callees. Always allow inlining if it will shrink
8251 2006-03-14 Richard Guenther <rguenther@suse.de>
8254 * builtins.c (get_pointer_alignment): Prefer alignment
8255 information from decls over that from types.
8257 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
8260 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
8262 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
8264 * config/rs6000/rs6000.opt (mdlmzb): New option.
8265 (msched-prolog, msched-epilog): Use Var not Mask.
8266 * doc/invoke.texi (-mdlmzb): Document.
8267 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
8269 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
8270 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
8272 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
8274 PR rtl-optimization/25739
8275 * bt-load.c (augment_live_range): Free tos pointer.
8277 * gensupport.c (identify_predicable_attribute): Free
8279 * gcov.c (create_file_names): Free name pointer.
8281 2006-03-13 Roger Sayle <roger@eyesopen.com>
8284 * stmt.c (emit_case_nodes): Handle the case where the index is a
8285 CONST_INT, where the comparison mode is specified by the index type.
8287 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8289 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
8292 2006-03-13 Richard Sandiford <richard@codesourcery.com>
8294 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
8295 (*branch_fp_inverted): Likewise.
8297 2006-03-13 Jakub Jelinek <jakub@redhat.com>
8300 * omp-low.c (expand_omp_for_generic): Mark istart0
8301 and iend0 as addressable.
8303 2006-03-13 Jie Zhang <jie.zhang@analog.com>
8305 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
8307 2006-03-13 Jeff Law <law@redhat.com>
8309 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
8310 virtual operands are interesting.
8311 (vrp_visit_stmt): Corresponding changes.
8313 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
8315 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
8317 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
8318 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
8319 * config/bfin/crti.S: Use it instead of __PIC__.
8320 * config/bfin/crtn.S: Likewise.
8322 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
8323 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
8325 Lose 'G' modifier for call operand.
8326 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
8327 recognize 'G' modifier.
8329 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
8332 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
8333 * stmt.c (expand_case): Likewise.
8335 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8337 PR rtl-optimization/26254
8338 * loop-invariant.c (seq_insns_valid_p): New function.
8339 (move_invariant_reg): Only emit new code if it is valid.
8341 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8343 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
8345 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
8346 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
8347 (commit_one_edge_insertion): Do not look for loop notes.
8349 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8351 * jump.c (follow_jumps): Do not check for loop notes. Move check for
8352 flag_test_coverage out of loop.
8354 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8356 * final.c (shorten_branches): Remove outdated comment, and turn
8357 the if branch that guards it to continue.
8359 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8361 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
8362 * cfgloop.h (struct loop): Remove unused fields.
8364 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
8366 * doc/invoke.texi (-fdump-rtl-loop): Remove.
8367 (-dL, -fdump-rtl-loop2): Update the dump file names
8369 * doc/invoke.texi: Update dump file names.
8371 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
8373 * predict.c (estimate_probability): Remove.
8374 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
8375 * basic-block.h (estimate_probability): Remove prototype.
8376 * passes.c (finish_optimization_passes): Dump branch prediction or
8377 profiling heuristics to the .profile tree dump.
8378 (init_optimization_passes): Unqueue pass_branch_prob.
8380 * doc/invoke.texi (-fdump-rtl-bp): Remove.
8382 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8384 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
8385 * rtl.h (LABEL_NEXTREF): Remove field accessor.
8387 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
8389 * function.h (frame_offset_overflow): Declare.
8390 * function.c (frame_offset_overflow): New function.
8391 (assign_stack_local_1): Call it to detect that the offset overflows.
8392 * cfgexpand.c (alloc_stack_frame_space): Likewise.
8394 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8396 * config/sh/sh.c: Include alloc-pool.h.
8397 (label_ref_list_pool): New alloc pool.
8398 (label_ref_list_t): New type for lists of labels.
8399 (struct pool_node): Make wend a label_ref_list_t.
8400 (add_constant): Use the new type, eradicate LABEL_NEXTREF
8402 (dump_table): Likewise.
8403 (sh_reorg): Set up the alloc pool before using add_constant and
8404 dump_table, and destroy it when finishing.
8406 2006-03-11 Richard Sandiford <richard@codesourcery.com>
8408 * config/mips/mips.c: Remove redundant comment.
8410 2006-03-10 Jason Merrill <jason@redhat.com>
8413 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
8414 the target was declared 'register'.
8416 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
8418 * genpreds.c (write_insn_constraint_len): Change definition of
8419 insn_constraint_len to return size_t to match the declaration.
8421 2006-03-10 DJ Delorie <dj@redhat.com>
8423 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
8425 (m32c_expand_insv): Fix test for an AND mask.
8427 2006-03-10 Richard Guenther <rguenther@suse.de>
8430 * builtins.c (get_pointer_alignment): Handle component
8431 references for field alignment.
8433 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8435 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
8436 when building with libgloss.
8437 (sh*elf): Implement --without-fp option.
8438 (sh64-superh-linux*): Don't multilib.
8440 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8442 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
8444 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
8446 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
8447 Set it when one of the replacement functions returned true.
8448 Return TODO_cleanup_cfg if cfgchanged is true.
8449 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
8451 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
8453 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
8454 instead of gen_lowpart.
8456 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8458 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
8460 (mips_output_order_conditional_branch): Declare.
8461 * config/mips/mips.h (MIPS_BRANCH): New macro.
8462 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
8463 for the comparison. Use gen_condjump.
8464 (mips_output_conditional_branch): Rework interface to take the
8465 asm templates for a direct branch and the inverse of a direct branch.
8466 (mips_output_order_conditional_branch): New function.
8467 (mips_builtin_branch_and_move): New function.
8468 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
8469 branch condition. Use gen_single_cc as the condition for
8470 __builtin_mips_upper_* or __builtin_mips_lower_*.
8471 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
8472 Use VOIDmode for the branch condition.
8473 * config/mips/predicates.md (order_operator): New predicate.
8474 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
8475 (branch_fp): Rename to...
8476 (*branch_fp): ...this. Remove mode from comparison operator.
8477 Use new mips_output_conditional_branch interface.
8478 (branch_fp_inverted): Rename to...
8479 (*branch_fp_inverted): ...this and update as for *branch_fp.
8480 (*branch_zero<mode>): Rename to...
8481 (*branch_order<mode>): ...this. Remove mode from comparison operator.
8482 Use mips_output_order_conditional_branch. Only accept ordered
8484 (*branch_zero<mode>_inverted): Rename to...
8485 (*branch_order<mode>_inverted): ...this and update as for
8486 *branch_order<mode>.
8487 (*branch_equality<mode>): Accept zero as the second operand to
8488 the equality operator. Use the new mips_output_conditional_branch
8490 (*branch_equality<mode>_inverted): Likewise.
8491 (condjump): New expander.
8492 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
8494 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
8495 (bc1any2t, bc1any2f): Likewise.
8496 (single_cc): New expander.
8497 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
8499 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8501 * doc/md.texi: Update documentation of MIPS constraints.
8502 * config/mips/constraints.md: New file.
8503 * config/mips/mips.md: Include it.
8504 * config/mips/mips.c (mips_char_to_class): Delete.
8505 (override_options): Don't initialize mips_char_to_class.
8506 * config/mips/mips.h (mips_char_to_class): Delete.
8507 (REG_CLASS_FROM_LETTER): Delete.
8508 (CONST_OK_FOR_LETTER_P): Delete.
8509 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8510 (EXTRA_CONSTRAINT_Y): Delete.
8511 (EXTRA_CONSTRAINT_STR): Delete.
8512 (CONSTRAINT_LEN): Delete.
8513 (EXTRA_MEMORY_CONSTRAINT): Delete.
8515 2006-03-09 Diego Novillo <dnovillo@redhat.com>
8517 * tree-cfg.c (move_block_to_fn): Remove the statements from the
8518 original fn's eh regions.
8520 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
8522 * fold-const.c (build_range_check): Make sure to use a valid type to
8523 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
8526 (range_predecessor): New static function.
8527 (range_successor): Likewise.
8528 (merge_ranges): Use them to compute predecessors and successors of
8531 2006-03-09 Roger Sayle <roger@eyesopen.com>
8534 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
8535 X op C3, consider whether C3 overflows towards +Inf or -Inf.
8537 2006-03-08 DJ Delorie <dj@redhat.com>
8539 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
8540 (addpsi3): Expand to include memory operands. Remove
8541 reload-specific splits.
8542 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
8543 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
8544 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
8545 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
8546 (shift1_qi, shift1_hi, insv): New.
8547 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
8548 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
8549 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
8551 * config/m32c/m32c-protos.h: Update as needed.
8552 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
8553 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
8554 Fail for unrecognized R* constraints.
8555 (m32c_cannot_change_mode_class): Be more picky about pseudos.
8556 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
8557 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
8559 (m32c_init_libfuncs): New.
8560 (m32c_legitimate_address_p): Add debug wrapper.
8561 (m32c_rtx_costs): New.
8562 (m32c_address_cost): New.
8563 (conversions): Add 'B' prefix.
8564 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
8565 operands, or word regnames for QI operands. 'B' prints bit
8567 (m32c_expand_setmemhi): New.
8568 (m32c_expand_movmemhi): New.
8569 (m32c_expand_movstr): New.
8570 (m32c_expand_cmpstr): New.
8571 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
8572 (m32c_expand_neg_mulpsi3): Handle non-ints.
8573 (m32c_cmp_flg_0): New.
8574 (m32c_expand_movcc): New.
8575 (m32c_expand_insv): New.
8576 (m32c_scc_pattern): New.
8577 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
8578 a0/a1 out of SIregs.
8579 (STORE_FLAG_VALUE): New.
8580 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
8583 * config/m32c/mov.md: Make constraints more liberal.
8584 (zero_extendqihi2): Optimize r0/r1 case.
8585 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
8586 * config/m32c/predicates.md (m32c_any_operand): New.
8587 (m32c_nonimmediate_operand): New.
8588 (m32c_hl_operand): New.
8589 (m32c_r3_operand): New.
8592 (memsym_operand): New.
8593 (memimmed_operand): New.
8594 (a_qi_operand): New.
8595 (m32c_eqne_operator): New.
8596 (m32c_1bit8_operand): New.
8597 (m32c_1bit16_operand): New.
8598 (m32c_1mask8_operand): New.
8599 (m32c_1mask16_operand): New.
8600 * config/m32c/blkmov.md: New file.
8601 * config/m32c/t-m32c (MD_FILES): Add blkmov.
8603 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
8605 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
8606 unsigned to fix signed/unsigned comparison issue in
8607 DWARF2_FRAME_REG_OUT.
8608 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
8609 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
8611 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
8612 of ptr into the ENABLE_CHECKING section.
8614 2006-03-08 Jeff Law <law@redhat.com>
8616 * tree-vrp.c (infer_value_range): Only count pointer uses
8617 and dereferences if -fdelete-null-pointer-checks is enabled.
8619 * tree-vrp.c (find_assert_locations): Infer value ranges for
8620 single use pointers, but do not create ASSERT_EXPRs for them.
8621 When a non-null range is inferred for a pointer, backwards
8622 propagate that range to other equivalent pointers through the
8625 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
8628 * Makefile.in (dvi, html, install-info): Invoke the corresponding
8629 language hook targets.
8630 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
8631 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
8632 if language hook targets were missing.
8634 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
8636 * tree-ssa-opfinalize.h: Removed.
8637 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
8639 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
8640 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
8641 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
8642 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
8643 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
8644 finalize_ssa_v_must_def_ops): New.
8646 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
8648 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
8651 2006-03-07 Geoffrey Keating <geoffk@apple.com>
8653 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
8655 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
8656 addresses with offsets; reorganize.
8658 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
8659 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
8660 (expand_builtin_init_dwarf_reg_sizes): Likewise.
8662 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
8665 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
8667 2006-03-08 Ben Elliston <bje@au.ibm.com>
8669 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
8671 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
8674 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
8677 2006-03-07 Richard Guenther <rguenther@suse.de>
8679 PR tree-optimization/26587
8680 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
8682 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8684 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
8686 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8688 * hooks.c (hook_bool_mode_rtx_true): New function.
8689 * hooks.h (hook_bool_mode_rtx_true): Declare.
8690 * toplev.c (compile_file): Call output_shared_constant_pool.
8691 * varasm.c (shared_constant_pool): New variable.
8692 (assemble_start_function, assemble_end_function): Remove arguments
8693 from call to output_constant_pool.
8694 (create_constant_pool): New function, split out from...
8695 (init_varasm_status): ...here.
8696 (force_const_mem): Choose between the shared and per-function constant
8697 pools. Set current_function_uses_const_pool when reusing old entries
8698 as well as when creating new ones.
8699 (mark_constant): Ignore data argument.
8700 (mark_constants): Remove pool argument.
8701 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
8702 to decide whether the function uses a constant pool.
8703 (output_constant_pool_contents): New function, split out from...
8704 (output_constant_pool): ...here.
8705 (output_shared_constant_pool): New function.
8706 (init_varasm_once): Initialize shared_constant_pool.
8707 * output.h (output_constant_pool): Delete.
8708 (output_shared_constant_pool): Declare.
8709 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
8710 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
8712 2006-03-06 Nick Clifton <nickc@redhat.com>
8714 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
8715 flag_strength_reduce.
8717 2006-03-06 Ben Elliston <bje@au.ibm.com>
8719 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
8720 x86_64-*-linux* configurations.
8722 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
8723 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
8725 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8727 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
8729 * basic-block.h: Remove the extern for
8730 rediscover_loops_after_threading.
8732 * cfgloop.c (cancel_loop): Make it static.
8733 * cfgloop.h: Remove the prototype for cancel_loop.
8735 * flow.c (recompute_reg_usage): Make it static.
8736 * rtl.h: Remove the prototype for recompute_reg_usage.
8738 * function.c (use_return_register): Make it static.
8739 * function.h: Remove the prototype.
8741 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8743 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
8745 * recog.h: Remove the prototype for
8746 validate_change_maybe_volatile.
8748 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8750 * rtlanal.c (replace_reg): Remove.
8751 * rtl.h: Remove the prototype for replace_reg.
8753 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8755 * regclass.c (reg_scan_update): Remove.
8756 (reg_scan_mark_refs): Remove the last argument.
8757 * rtl.h: Remove the prototype for reg_scan_update.
8759 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8761 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
8762 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
8763 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
8764 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
8765 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
8766 loop-invariant.c, omp-low.c, opts.c, passes.c,
8767 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
8768 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
8769 tree-ssa-structalias.c, tree-ssa-threadedge.c,
8770 tree-ssa-threadupdate.c, tree-vect-patterns.c,
8771 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
8772 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
8774 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8776 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
8777 * dwarf2out.h: Remove the prototype for
8778 dwarf2out_add_library_unit_info.
8780 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8782 * tree.c (add_var_to_bind_expr): Remove.
8783 * tree.h: Remove the prototype for add_var_to_bind_expr.
8785 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8787 * regclass.c (n_non_fixed_regs): Remove.
8788 (init_reg_sets_1, globalize_reg): Remove all uses of
8790 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
8792 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8794 * rtlanal.c (insns_safe_to_move_p): Remove.
8795 * rtl.h: Remove the prototype for insns_safe_to_move_p.
8797 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8799 * expmed.c (expand_mult_add): Remove.
8800 * expr.h: Remove the prototype for expand_mult_add.
8802 2006-03-04 Jakub Jelinek <jakub@redhat.com>
8804 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
8805 and REG_SAVED_VAL_EXP constants.
8806 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
8807 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
8808 Handle regs stored by value.
8809 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
8810 (execute_cfa_program): Handle DW_CFA_val_offset,
8811 DW_CFA_val_offset_sf and DW_CFA_val_expression.
8812 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
8813 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
8814 (uw_install_context_1): Handle target regs stored by value.
8816 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
8818 * tree-sra.c (tree_sra): Return todoflags;
8819 (generate_one_element): Set TODO_update_smt_usage if needed.
8820 (pass_sra): Remove TODO_update_smt_usage.
8821 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
8823 (tree_ssa_forward_propagate_single_use_vars): Return
8824 TODO_update_smt_usage if we need to update SMT usage.
8825 (pass_forwprop): Remove TODO_update_smt_usage.
8827 2006-03-03 Diego Novillo <dnovillo@redhat.com>
8829 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
8830 (correct_use_link): Remove reference to get_stmt_operands.
8831 (update_stmt_operands): Likewise.
8832 (get_modify_expr_operands): New function factored out of
8833 parse_ssa_operands and get_expr_operands.
8834 Try to create V_MUST_DEFs for LHS by default.
8835 (get_expr_operands) <case MODIFY_EXPR>: Call
8836 get_modify_expr_operands.
8837 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
8838 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
8839 (parse_ssa_operands) <case MODIFY_EXPR>: Call
8840 get_modify_expr_operands.
8842 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
8844 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
8845 * tree-flow.h: Remove the prototype for
8846 referenced_var_lookup_if_exists.
8848 2006-03-03 Steve Ellcey <sje@cup.hp.com>
8850 PR rtl-optimization/26345
8852 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
8854 2006-03-03 Roger Sayle <roger@eyesopen.com>
8856 PR tree-optimization/26524
8857 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
8858 fold_convert to create a constant of the appropriate type.
8860 2006-03-03 Richard Sandiford <richard@codesourcery.com>
8862 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8863 SYMBOL_REF_IN_BLOCK_P.
8864 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
8865 of SYMBOL_FLAG_IN_BLOCK.
8866 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
8867 instead of SYMBOL_REF_IN_BLOCK_P.
8868 * explow.c (use_anchored_address): Likewise.
8869 * rtl.c (rtx_size): Likewise.
8870 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
8871 instead of SYMBOL_FLAG_IN_BLOCK.
8872 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8873 SYMBOL_REF_IN_BLOCK_P.
8874 (assemble_variable): Likewise.
8875 (output_constant_def_contents): Likewise.
8876 (output_constant_pool): Likewise.
8877 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
8878 instead of SYMBOL_FLAG_IN_BLOCK.
8879 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8880 SYMBOL_REF_IN_BLOCK_P.
8881 (SYMBOL_REF_BLOCK): Likewise.
8882 (SYMBOL_REF_OFFSET): Likewise.
8883 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8884 SYMBOL_REF_IN_BLOCK_P.
8885 (SYMBOL_FLAG_IN_BLOCK): Replace with...
8886 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
8887 (SYMBOL_REF_IN_BLOCK_P): Replace with...
8888 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
8890 2006-03-03 Jakub Jelinek <jakub@redhat.com>
8892 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
8894 2006-03-02 Roger Sayle <roger@eyesopen.com>
8896 * simplify-rtx.c (simplify_unary_operation): When simplifying
8897 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
8898 that we perform the right shift in the appropriate mode, and
8899 then extend or truncate the result to requested mode.
8901 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
8903 * gengtype.c (main): Handle double_int type.
8904 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
8905 * double-int.c: New file.
8906 * double-int.h: New file.
8907 * system.h: Include doubleint.h.
8908 * Makefile.in (SYSTEM_H): Include double-int.h.
8909 (double-int.o): Add.
8911 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
8914 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
8917 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8919 * tree-vrp.c (remove_range_assertions): Do not update statements
8922 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8924 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
8926 * gcse.c (rest_of_handle_gcse): Ditto.
8927 * except.c (gate_handle_eh): Ditto.
8928 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
8929 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
8931 2006-03-02 Eric Christopher <echristo@apple.com>
8933 * config/i386/i386.c (machopic_output_stub): Add indirection to
8936 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8940 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
8942 Sun Niagara specific optimizations.
8943 * config.gcc: Recognize niagara as target.
8944 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
8945 (TARGET_CPU_niagara): Define.
8946 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
8947 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
8948 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8949 (ASM_CPU_SPEC): Likewise.
8950 (PROCESSOR_NIAGARA): New enum entry.
8951 (REGISTER_MOVE_COST): Handle Niagara.
8952 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
8953 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
8954 (sparc_override_options): Recognize "niagara", set appropriate
8955 default MASK_* values for it, and align functions to 32-bytes
8956 by default just like ULTRASPARC/ULTRASPARC3.
8957 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
8958 (sparc64_initialize_trampoline): Likewise.
8959 (sparc_use_sched_lookahead): Use zero for niagara.
8960 (sparc_issue_rate): Use one for niagara.
8961 * config/sparc/niagara.md: New file.
8962 * config/sparc/sparc.md: Include it.
8963 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
8964 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
8965 when default cpu is niagara.
8966 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8967 (ASM_CPU_SPEC): Likewise.
8968 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
8969 when default cpu is niagara.
8970 (ASM_CPU_SPEC): Handle -mcpu=niagara.
8971 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
8972 just like v9/ultrasparc/ultrasparc3.
8973 * doc/invoke.texi: Add documentation for "niagara" and improve
8974 existing documentation for ultrasparc variants.
8976 2006-03-02 Diego Novillo <dnovillo@redhat.com>
8978 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
8980 2006-03-02 Richard Sandiford <richard@codesourcery.com>
8982 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
8983 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
8984 and say that only one is needed.
8985 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
8986 * target.h (have_switchable_bss_sections): New hook.
8987 * explow.c (use_anchored_address): Check that the symbol is in a block.
8988 * varasm.c (tls_comm_section, comm_section, lcomm_section)
8989 (bss_noswitch_section): New variables.
8990 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
8991 (get_noswitch_section): New function.
8992 (get_block_for_section): Allow SECT to be null.
8993 (unlikely_text_section_p): Use SECTION_STYLE.
8994 (bss_initializer_p): New function.
8995 (get_variable_section): Move earlier in file. Take a new argument,
8996 prefer_noswitch_p. Move bss checks from assemble_variable to here.
8997 Return one of the new *_sections in such cases.
8998 (get_block_for_decl): New function, extracting some logic from
8999 use_blocks_for_decl_p.
9000 (change_symbol_section): Remove in favor of...
9001 (change_symbol_block): ...this new function.
9002 (use_blocks_for_decl_p): Remove checks now performed by
9004 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
9005 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
9006 (emit_local, emit_bss, emit_common): ...these new functions.
9007 Return true if the alignment was honored.
9008 (emit_tls_common): New function.
9009 (asm_emit_uninitialised): Delete.
9010 (assemble_variable_noswitch): New function, split out from...
9011 (assemble_variable): ...here. Don't make decisions about common
9012 variables here. Globalize all public decls that go into non-common
9013 sections. Check whether SYMBOL_REF_BLOCK is null.
9014 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
9015 (output_constant_pool): Likewise.
9016 (init_varasm_once): Initialize the new section variables.
9017 (have_global_bss_p): New function.
9018 (categorize_decl_for_section): Use bss_initializer_p.
9019 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
9020 (place_block_symbol): Assert that the symbol must be in a block.
9021 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
9022 (TARGET_INITIALIZER): Include it.
9023 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
9024 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
9025 (SECTION_MACH_DEP): Bump by two.
9026 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
9027 (unnamed_section): Mention SECTION_UNNAMED in comment.
9028 (named_section): Likewise SECTION_NAMED.
9029 (noswitch_section_callback): New type.
9030 (noswitch_section): New structure.
9031 (section): Add a noswitch_section alternative.
9032 (SECTION_STYLE): New macro.
9033 (tls_comm_section, comm_section, lcomm_section): Declare.
9034 (bss_noswitch_section, have_global_bss_p): Declare.
9035 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9036 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9038 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9039 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9042 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
9044 * tree-vrp.c (execute_vrp): Return value.
9045 * regrename.c (rest_of_handle_regrename): Ditto.
9046 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
9047 * tree-complex.c (tree_lower_complex): Ditto.
9048 (tree_lower_complex_O0): Ditto.
9049 * tracer.c (rest_of_handle_tracer): Ditto.
9050 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
9051 * postreload.c (rest_of_handle_postreload): Ditto.
9052 * tree-tailcall.c (execute_tail_recursion): Ditto.
9053 (execute_tail_calls): Ditto.
9054 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9055 * tree.h (init_function_for_compilation): Ditto.
9056 * ipa-cp.c (ipcp_driver): Ditto.
9057 * tree-scalar-evolution.c (scev_const_prop): Ditto.
9058 * tree-scalar-evolution.h (scev_const_prop): Ditto.
9059 * final.c (compute_alignments): Ditto.
9060 (rest_of_handle_final): Ditto.
9061 (rest_of_handle_shorten_branches): Ditto.
9062 (rest_of_clean_state): Ditto.
9063 * omp-low.c (execute_expand_omp): Ditto.
9064 (execute_lower_omp): Ditto.
9065 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
9066 * ipa-reference.c (static_execute): Ditto.
9067 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
9068 * reorg.c (rest_of_handle_delay_slots): Ditto.
9069 (rest_of_handle_machine_reorg): Ditto.
9070 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
9071 * flow.c (recompute_reg_usage): Ditto.
9072 (rest_of_handle_remove_death_notes): Ditto.
9073 (rest_of_handle_life): Ditto.
9074 (rest_of_handle_flow2): Ditto.
9075 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
9076 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
9077 (do_ssa_store_ccp): Ditto.
9078 (execute_fold_all_builtins): Ditto.
9079 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
9080 * modulo-sched.c (rest_of_handle_sms): Ditto.
9081 * ipa-pure-const.c (static_execute): Ditto.
9082 * cse.c (rest_of_handle_cse): Ditto.
9083 (rest_of_handle_cse2): Ditto.
9084 * web.c (rest_of_handle_web): Ditto.
9085 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
9086 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
9087 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
9088 * tree-nrv.c (tree_nrv): Ditto.
9089 (execute_return_slot_opt): Ditto.
9090 * tree-ssa-alias.c (compute_may_aliases): Ditto.
9091 (create_structure_vars): Ditto.
9092 * loop-init.c (rtl_loop_init): Ditto.
9093 (rtl_loop_done): Ditto.
9094 (rtl_move_loop_invariants): Ditto.
9095 (rtl_unswitch): Ditto.
9096 (rtl_unroll_and_peel_loops): Ditto.
9097 (rtl_doloop): Ditto.
9098 * gimple-low.c (lower_function_body): Ditto.
9099 (mark_used_blocks): Ditto.
9100 * tree-ssa-sink.c (execute_sink_code): Ditto.
9101 * ipa-inline.c (cgraph_decide_inlining): Ditto.
9102 (cgraph_early_inlining): Ditto.
9103 * global.c (rest_of_handle_global_alloc): Ditto.
9104 * jump.c (cleanup_barriers): Ditto.
9105 (purge_line_number_notes): Ditto.
9106 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
9107 (rest_of_handle_if_after_reload): Ditto.
9108 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
9109 (tree_ssa_loop_im): Ditto.
9110 (tree_ssa_loop_unswitch): Ditto.
9111 (tree_vectorize): Ditto.
9112 (tree_linear_transform): Ditto.
9113 (tree_ssa_loop_ivcanon): Ditto.
9114 (tree_ssa_empty_loop): Ditto.
9115 (tree_ssa_loop_bounds): Ditto.
9116 (tree_complete_unroll): Ditto.
9117 (tree_ssa_loop_prefetch): Ditto.
9118 (tree_ssa_loop_ivopts): Ditto.
9119 (tree_ssa_loop_done): Ditto.
9120 * predict.c (tree_estimate_probability): Ditto.
9121 * recog.c (split_all_insns_noflow): Ditto.
9122 (rest_of_handle_peephole2): Ditto.
9123 (rest_of_handle_split_all_insns): Ditto.
9124 * tree-eh.c (lower_eh_constructs): Ditto.
9125 * regmove.c (rest_of_handle_regmove): Ditto.
9126 (rest_of_handle_stack_adjustments): Ditto.
9127 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
9128 * function.c (instantiate_virtual_regs): Ditto.
9129 (init_function_for_compilation): Ditto.
9130 (rest_of_handle_check_leaf_regs): Ditto.
9131 * gcse.c (rest_of_handle_jump_bypass): Ditto.
9132 (rest_of_handle_gcse): Ditto.
9133 * ipa-type-escape.c (type_escape_execute): Ditto.
9134 * alias.c (rest_of_handle_cfg): Ditto.
9135 * tree-if-conv.c (main_tree_if_conversion): Ditto.
9136 * profile.c (rest_of_handle_branch_prob): Ditto.
9137 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
9138 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
9139 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
9140 * tree-dfa.c (find_referenced_vars): Ditto.
9141 * except.c (set_nothrow_function_flags): Ditto.
9142 (convert_to_eh_region_ranges): Ditto.
9143 (rest_of_handle_eh): Ditto.
9144 * emit-rtl.c (unshare_all_rtl): Ditto.
9145 (remove_unnecessary_notes): Ditto.
9146 * except.h (set_nothrow_function_flags): Ditto.
9147 (convert_to_eh_region_ranges): Ditto.
9148 * cfgexpand.c (tree_expand_cfg): Ditto.
9149 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
9150 * tree-ssa-pre.c (do_pre): Ditto.
9151 (execute_fre): Ditto.
9152 * cfgcleanup.c (rest_of_handle_jump): Ditto.
9153 (rest_of_handle_jump2): Ditto.
9154 * tree-sra.c (tree_sra): Ditto.
9155 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
9156 (execute_mudflap_function_decls): Ditto.
9157 * tree-ssa-copy.c (do_copy_prop): Ditto.
9158 (do_store_copy_prop): Ditto.
9159 * ipa-prop.h (ipcp_driver): Ditto.
9160 * cfglayout.c (insn_locators_initialize): Ditto.
9161 * tree-ssa-forwprop.c
9162 (tree_ssa_forward_propagate_single_use_vars): Ditto.
9163 * cfglayout.h (insn_locators_initialize): Ditto.
9164 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
9165 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
9166 (execute_late_warn_uninitialized): Ditto.
9167 * rtl.h (cleanup_barriers): Ditto.
9168 (split_all_insns_noflow): Ditto.
9169 (purge_line_number_notes): Ditto.
9170 (unshare_all_rtl): Ditto.
9171 (remove_unnecessary_notes): Ditto.
9172 (recompute_reg_usage): Ditto.
9173 (variable_tracking_main): Ditto.
9174 * integrate.c (emit_initial_value_sets): Ditto.
9175 * integrate.h (emit_initial_value_sets): Ditto.
9176 * tree-optimize.c (execute_free_datastructures): Ditto
9177 (execute_free_cfg_annotations): Ditto.
9178 (execute_fixup_cfg): Ditto.
9179 (execute_cleanup_cfg_pre_ipa): Ditto.
9180 (execute_cleanup_cfg_post_optimizing): Ditto.
9181 (execute_init_datastructures): Ditto.
9182 * tree-object-size.c (compute_object_sizes): Ditto.
9183 * combine.c (rest_of_handle_combine): Ditto.
9184 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
9185 * bb-reorder.c (duplicate_computed_gotos): Ditto.
9186 (rest_of_handle_reorder_blocks): Ditto.
9187 (rest_of_handle_partition_blocks): Ditto.
9188 * var-tracking.c (variable_tracking_main): Ditto.
9189 * tree-profile.c (tree_profiling): Ditto.
9190 * tree-vect-generic.c (expand_vector_operations): Ditto.
9191 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
9192 * sched-rgn.c (rest_of_handle_sched): Ditto.
9193 (rest_of_handle_sched2): Ditto.
9194 * basic-block.h (free_bb_insn): Ditto.
9195 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
9196 * tree-cfg.c (execute_build_cfg): Ditto.
9197 (remove_useless_stmts): Ditto.
9198 (split_critical_edges): Ditto.
9199 (execute_warn_function_return): Ditto.
9200 (execute_warn_function_noreturn): Ditto.
9201 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
9202 * cfgrtl.c (free_bb_for_insn): Ditto.
9203 * passes.c (execute_one_pass): Run additional
9204 todos returned by execute function.
9205 * tree-pass.h (struct tree_opt_pass): Make execute
9208 2006-03-02 Richard Guenther <rguenther@suse.de>
9210 * tree-ssa-alias.c (find_used_portions): Consider taking
9211 the address as making the variable not write-only.
9213 2006-03-02 Nick Clifton <nickc@redhat.com>
9215 * config.gcc (default_use_cxa_atexit): Extend the description of
9216 this configure variable. Set its default value to "yes" for
9217 Linux, NetBSD and ELF targets on the assumption that they will
9218 use C libraries with the __cxa_atexit function.
9220 2006-03-02 Ben Elliston <bje@au.ibm.com>
9222 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
9223 parameter as unused to suppress a build warning.
9225 2006-03-02 Ben Elliston <bje@au.ibm.com>
9227 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
9230 2006-03-01 Roger Sayle <roger@eyesopen.com>
9233 * gthr-posix.h (__gthrw2): Define to take three parameters, the
9234 declared name, the weak reference name, and the typeof name.
9235 (__gthrw): Avoid expanding the declared name suffix.
9236 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
9238 2006-03-01 Jakub Jelinek <jakub@redhat.com>
9240 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
9242 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
9243 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
9244 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
9245 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
9246 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
9247 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
9248 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
9249 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
9250 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
9251 DW_DS_leading_separate, DW_DS_trailing_separate): New.
9252 (DW_END_default, DW_END_big, DW_END_little): New.
9253 (DW_END_lo_user, DW_END_hi_user): Define.
9254 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
9255 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
9256 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
9259 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9261 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
9263 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
9265 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
9267 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
9269 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
9270 to 'symbol_mem_tag'.
9272 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
9275 2006-03-01 Roger Sayle <roger@eyesopen.com>
9277 * builtins.c (fold_builtin_copysign): Delete unreachable code.
9279 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9282 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
9283 MACHO_DYNAMIC_NO_PIC_P.
9284 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
9286 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9289 * config/darwin-protos.h (darwin_asm_output_anchor):
9291 * config/darwin-sections.def (cstring_section):
9292 Add SECTION_MERGE to the flags.
9293 (literal4_section): Likewise.
9294 (literal8_section): Likewise.
9295 (objc_selector_refs_section): Likewise.
9296 (objc_cls_refs_section): Likewise.
9297 * config/darwin.c (darwin_asm_output_anchor): New
9299 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9301 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
9303 Fix PR tree-optimization/26443
9304 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
9305 to todo and PROP_tmt_usage to properties_destroyed.
9306 * tree-ssa-ccp.c (pass_ccp): Ditto.
9307 (pass_store_ccp): Ditto.
9308 * tree-ssa-dom.c (pass_dominator): Ditto.
9310 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9312 * tree-ssa-operands.c: Cleanup whitespace.
9313 (get_asm_expr_operands): Move before first invocation.
9314 (get_indirect_ref_operands): Likewise.
9315 (get_tmr_operands): Likewise.
9316 (get_call_expr_operands): Likewise.
9317 (append_def): Likewise.
9318 (append_use): Likewise.
9319 (append_v_may_def): Likewise.
9320 (append_v_must_def): Likewise.
9321 (add_call_clobber_ops): Likewise.
9322 (add_call_read_ops): Likewise.
9323 (add_stmt_operand): Likewise.
9324 (add_virtual_operand): Likewise.
9325 (build_ssa_operands): Likewise.
9327 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9332 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9333 with a call expr to ...
9334 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9336 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9338 * tree-vrp.c (extract_range_from_assert): Remove special
9339 handling for types with super-types.
9341 2006-03-01 Ben Elliston <bje@au.ibm.com>
9343 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
9344 and powerpc64-*-linux* configurations.
9345 * config/t-dfprules: New file.
9347 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
9348 Compile dfp-bit.c from the source directory using -DWIDTH and
9349 $DFP_CFLAGS to control the compilation of that file, rather than
9350 generating width-specific versions in the build directory.
9351 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
9352 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
9354 2006-02-28 Zack Weinberg <zackw@panix.com>
9356 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
9359 2006-02-28 Eric Christopher <echristo@apple.com>
9361 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
9362 Set up IN_LIBGCC definition of TARGET_64BIT.
9363 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
9365 2006-02-28 Roger Sayle <roger@eyesopen.com>
9368 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
9369 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
9370 cases via the construction of "expr != 0".
9372 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
9374 * alias.c (alias_invariant, alias_invariant_size): Remove.
9375 (record_base_value): Remove.
9376 (memrefs_conflict_p): Don't look at alias_invariant.
9377 (end_alias_analysis): Don't free it.
9378 * alias.h (record_base_value): Remove prototype.
9380 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
9381 Adam Nemet <anemet@caviumnetworks.com>
9383 * rtl.h (truncated_to_mode): Declare it.
9384 (struct rtl_hooks): Add reg_truncated_to_mode hook.
9385 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
9386 (RTL_HOOKS_INITIALIZER): Include it.
9387 * rtlhooks.c (reg_truncated_to_mode_general): New function.
9388 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
9389 reg_truncated_to_mode.
9390 * rtlanal.c (truncated_to_mode): Define it.
9391 * simplify-rtx.c (simplify_unary_operation_1): Use it.
9393 2006-02-28 Jeff Law <law@redhat.com>
9395 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
9396 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
9397 the range allowed by TYPE_PRECISION.
9399 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
9401 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
9403 PR tree-optimization/26419
9404 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
9407 2006-02-27 Zack Weinberg <zackw@panix.com>
9409 * doc/md.texi: Fix typo in previous change.
9411 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9415 2006-02-27 Zack Weinberg <zackw@panix.com>
9417 * rtl.def (define_constraint, define_register_constraint)
9418 (define_memory_constraint, define_address_constraint): New MD forms.
9419 * gensupport.c (process_rtx): Put define_constraint etc on the
9421 * genpreds.c (process_define_predicate): Adjust comment. Validate
9422 the name, and call validate_exp to validate the expression.
9423 (mark_mode_tests, write_extract_subexp): Can assume correct input.
9424 (write_predicate_expr): Likewise. NAME argument no longer necessary;
9425 all callers changed.
9426 (validate_exp, needs_variable, struct constraint_data)
9427 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
9428 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
9429 (const_dbl_constraints, constraint_max_namelen)
9430 (have_register_constraints, have_memory_constraints)
9431 (have_address_constraints, have_address_constraints)
9432 (have_extra_constraints, have_const_int_constraints)
9433 (have_const_dbl_constraints, mangle, add_constraint)
9434 (process_define_constraint, process_define_register_constraint)
9435 (write_enum_constraint_num, write_lookup_constraint)
9436 (write_insn_constraint_len, write_regclass_for_constraint)
9437 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
9438 (write_insn_extra_memory_constraint)
9439 (write_insn_extra_address_constraint)
9440 (write_satisfies_constraint_fns): New.
9441 (write_tm_preds_h): If we have new-style constraint definitions,
9442 prototype the functions generated from them, and define the
9443 old constraint interface (still used by generic code) in terms of
9445 (write_insn_preds_c): If we have new-style constraint definitions,
9446 generate all relevant functions from those definitions.
9447 (main): Handle define_constraint etc.
9448 * genoutput.c (struct constraint_data, indep_constraints)
9449 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
9450 (mdep_constraint_len): New data structures and functions, defined
9451 #ifdef USE_MD_CONSTRAINTS.
9452 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
9453 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
9454 use new logic to validate operand constraints against constraint
9456 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
9458 * defaults.h: If none of the old-style constraint macros are
9459 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
9460 old-style macros; and poison REG_CLASS_FROM_LETTER,
9461 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
9463 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
9464 * doc/md.texi: Document new constraint-definition mechanism and the
9465 C interface it provides. Remove references to old mechanism
9466 elsewhere in the document.
9467 (Machine Constraints): Use pathnames relative to gcc directory,
9468 i.e. config/ARCH/FILE. Change i386 section to refer to
9469 config/i386/predicates.md; update that section to match docstrings.
9470 * doc/tm.texi: Move all documentation of the old constraint-
9471 definition macros to their own section, clearly mark as obsolete.
9473 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
9474 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
9476 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
9477 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
9478 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
9480 (splits and peepholes): Use satisfies_constraint_*.
9481 * config/i386/i386.c (memory_address_length)
9482 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
9484 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9486 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
9487 scalar operation to be put back into the loop.
9489 2006-02-27 Jakub Jelinek <jakub@redhat.com>
9492 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
9493 (extract_cie_info): Handle S flag in augmentation string.
9494 (execute_cfa_program): If context->signal_frame, execute also
9495 fs->pc == context->ra instructions.
9496 (uw_frame_state_for): If context->signal_frame, don't subtract one
9497 from context->ra to find FDE.
9498 (uw_update_context_1): Set context->signal_frame to
9500 (_Unwind_GetIPInfo): New function.
9501 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
9502 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
9504 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
9505 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
9506 * unwind-compat.c (_Unwind_GetIPInfo): New function.
9507 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
9508 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
9509 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
9510 * config/i386/linux-unwind.h (x86_fallback_frame_state,
9511 x86_64_fallback_frame_state): Set fs->signal_frame.
9512 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
9513 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
9514 (frob_update_context): Likewise. Workaround missing S flag in
9515 Linux 2.6.12 - 2.6.16 kernel vDSOs.
9516 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
9517 Remove the psw_addr + 1 hack.
9519 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9521 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
9522 with aggregates here.
9523 (find_func_aliases): Remove code for &<aggregate> from here.
9525 2006-02-26 Roger Sayle <roger@eyesopen.com>
9527 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
9528 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
9529 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
9532 2006-02-26 Roger Sayle <roger@eyesopen.com>
9535 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
9537 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
9539 * opts.c (decode_options): Do not handle flag_strength_reduce.
9540 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
9541 and OPT_fstrength_reduce.
9542 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
9543 flag_prefetch_loop_arrays for being nonzero.
9544 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
9546 (fprefetch-loop-arrays-rtl): Removed.
9547 (flag_prefetch_loop_arrays): Do not specify the value.
9549 * doc/passes.texi: Update documentation of loop optimizer
9551 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
9552 -frerun-loop-opt): Remove.
9554 2006-02-26 Richard Guenther <rguenther@suse.de>
9556 PR tree-optimization/26421
9557 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
9558 in function calls that are ADDR_EXPRs as using the whole structure.
9560 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
9562 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
9563 * tree-pass.h (pass_loop_optimize): Remove.
9564 * passes.c (pass_loop_optimize): Never run it.
9565 * toplev.c (backend_init): Don't call init_loop.
9566 * opts.c (flag_loop_optimize_set): Remove.
9567 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
9568 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
9569 the old RTL loop optimizer when profiling enabled.
9570 * predict.c (tree_estimate_probability): Always strip builtin_expect.
9571 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
9572 pre-headers for the sake of the old RTL loop optimizer.
9573 * Makefile.in: Remove all references to loop.o.
9575 * doc/invoke.texi: Remove all references to -floop-optimize
9576 and -frerun-loop-opt.
9578 2006-02-26 Zack Weinberg <zackw@panix.com>
9580 * doc/md.texi (Machine Constraints): Refer to all files with paths
9581 relative to gcc directory (i.e. config/CPU/file). Add missing
9582 @table @code ... @end table to M32C subsection.
9584 2006-02-26 Roger Sayle <roger@eyesopen.com>
9586 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
9588 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
9590 2006-02-26 Roger Sayle <roger@eyesopen.com>
9591 James A. Morrison <phython@gcc.gnu.org>
9594 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
9595 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
9596 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
9597 signedness of the shift operation.
9599 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
9601 PR tree-optimization/26359
9602 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
9604 2006-02-25 Roger Sayle <roger@eyesopen.com>
9606 * simplify-rtx.c (simplify_relational_operation_1): Simplify
9607 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
9608 as X == 0, and some symmetry related transformations.
9609 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
9611 2006-02-25 Roger Sayle <roger@eyesopen.com>
9614 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
9615 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
9616 symmetry related transformations. Fold (X^C1) == C2 as
9619 2006-02-25 Juergen Weigert <jw@suse.de>
9620 Richard Guenther <rguenther@suse.de>
9622 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
9624 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
9626 * combine.c (gen_lowpart_or_truncate): Call
9627 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
9629 2006-02-24 Diego Novillo <dnovillo@redhat.com>
9631 * doc/invoke.texi: Move -fopenmp description to "Options for
9633 Remove reference to -lgomp.
9635 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9637 * doc/install.texi: Require GNU tar version 1.14.
9639 2006-02-24 Geoffrey Keating <geoffk@apple.com>
9641 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
9642 * doc/invoke.texi (C++ Dialect Options): Document
9643 -fno-use-cxa-get-exception-ptr.
9644 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
9645 * configure: Regenerate.
9646 * c.opt (fuse-cxa-get-exception-ptr): New.
9647 * c-opts.c (c_common_handle_option): Handle
9648 OPT_fuse_cxa_get_exception_ptr.
9649 * c-common.c (flag_use_cxa_atexit): Update documentation.
9650 (flag_use_cxa_get_exception_ptr): New.
9651 * c-common.h (flag_use_cxa_get_exception_ptr): New.
9652 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
9654 (C_COMMON_OVERRIDE_OPTIONS): New.
9656 2006-02-24 Roger Sayle <roger@eyesopen.com>
9659 * combine.c (try_combine): Explicitly check whether GET_CODE is
9660 a SET or a CLOBBER, instead on checking that it isn't a USE.
9662 2006-02-24 Roger Sayle <roger@eyesopen.com>
9664 * fold-const.c (fold_comparison): New subroutine of fold_binary
9665 containing transformations common to both the equality and
9666 ordering relational operators, factored out of fold_binary.
9667 (fold_binary): Separate out the equality operators (EQ_EXPR
9668 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
9669 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
9670 transformations common to both.
9671 (fold_div_compare): Fix latent bugs in the previously unreachable
9672 LT_EXPR and GE_EXPR cases.
9674 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9676 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
9677 decl libname for clog to __clog on AIX.
9679 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
9681 2006-02-24 Alan Modra <amodra@bigpond.net.au>
9684 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
9685 output traceback table for thunks. Localise rs6000_stack_info call.
9687 2006-02-23 Roger Sayle <roger@eyesopen.com>
9688 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9690 * gthr-posix.h (__gthrw): Fix typo in comment.
9692 2006-02-23 Geoffrey Keating <geoffk@apple.com>
9694 * doc/cpp.texi (Character sets): Document that we do support
9695 input files to be in any character set.
9697 2006-02-23 Jeff Law <law@redhat.com>
9699 * tree.h (PHI_ARG_NONZERO): Remove.
9700 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
9701 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
9702 node to the new node.
9704 PR tree-optimization/26425
9705 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
9706 min/max, then assume its varying.
9708 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9710 PR rtl-optimization/26316
9711 * rtlanal.c (enum may_trap_p_flags): New.
9712 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
9713 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
9714 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
9715 (may_trap_after_code_motion_p): New function.
9716 * loop-invariant.c (find_identical_invariants): Fix dump formating.
9717 (find_invariant_insn): Use may_trap_after_code_motion_p.
9718 * rtl.h (may_trap_after_code_motion_p): Declare.
9720 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9722 * emit-rtl.c (immed_double_const): Cleanup.
9724 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
9726 Fix PR tree-optimization/26376
9727 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
9730 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9733 * gimplify.c (omp_add_variable): Guard variable size decl test with
9734 DECL_SIZE (decl) check.
9736 2006-02-23 Richard Guenther <rguenther@suse.de>
9739 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
9740 like aggregate types.
9742 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9744 * configure.ac: Add --with{,out}-long-double-128 configure option.
9745 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
9746 * configure: Rebuilt.
9747 * config.in: Rebuilt.
9748 * doc/install.texi (Options specification): Document
9749 --with-long-double-128.
9751 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9752 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9753 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9754 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9756 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
9758 * config/s390/s390.c (override_options): Handle
9759 TARGET_DEFAULT_LONG_DOUBLE_128.
9761 * config/alpha/alpha.c (override_options): Handle
9762 TARGET_DEFAULT_LONG_DOUBLE_128.
9764 * config/sparc/sparc.c (sparc_override_options): Handle
9765 TARGET_DEFAULT_LONG_DOUBLE_128.
9767 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
9769 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
9770 (real-install-headers-tar, real-install-headers-cpio)
9771 (real-install-headers-cp): New targets.
9773 2006-02-22 Richard Sandiford <richard@codesourcery.com>
9775 * tree.h (variable_section): Delete.
9776 * varasm.c (variable_section): Delete.
9778 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
9780 * install.texi: Add notes on install.texi2html.
9781 (Building in parallel): Do not use footnotes.
9783 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
9786 * doc/install.texi (Configuration): Document --disable-libgomp.
9788 2006-02-21 Geoffrey Keating <geoffk@apple.com>
9790 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
9792 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9794 * config/i386/sse.md (vec_extractv2df_1_sse): New.
9795 (vec_extractv2df_0_sse): New.
9797 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9799 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
9800 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
9801 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
9802 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
9803 to the result of the expression.
9804 (def_cfa_1): Adjust.
9805 (frame_pointer_cfa_offset): Rename to...
9806 (frame_pointer_fb_offset): ... this. Adjust all uses.
9807 (convert_cfa_to_loc_list): Rename to...
9808 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
9809 Pass it on to build_cfa_loc.
9810 (compute_frame_pointer_to_cfa_displacement): Rename to...
9811 (compute_frame_pointer_to_fb_displacement): ... this. New
9812 offset parameter. Use it in computation.
9813 (gen_subprogram_die): Compute cfa_fb_offset with the new
9814 macro, and use it to compute the fb loc list and the
9817 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
9819 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
9820 replaced with register_operand.
9821 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
9822 non-DREG is expensive.
9823 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
9824 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
9827 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
9829 * doc/install.texi2html: Use set -e.
9831 2006-02-21 Richard Sandiford <richard@codesourcery.com>
9833 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9834 (ASM_OUTPUT_SHARED_LOCAL): Delete.
9835 * doc/invoke.texi (-fshared-data): Delete.
9836 * common.opt (fshared-data): Delete.
9837 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
9838 (assemble_static_space): Remove #if 0 code.
9839 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9840 (ASM_OUTPUT_SHARED_LOCAL): Poison.
9841 * config/cris/cris.h: Remove FIXME.
9843 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
9845 * doc/sourcebuild.texi (Front End Directory): No more double-colon
9848 2006-02-21 Jakub Jelinek <jakub@redhat.com>
9851 * combine.c (simplify_shift_const_1): Disable nested shifts
9852 optimization for vector shifts.
9854 2006-02-20 Roger Sayle <roger@eyesopen.com>
9856 PR tree-optimization/26361
9857 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
9858 of unsigned integer types.
9860 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
9862 * tree-chrec.c (eq_evolutions_p): New.
9863 * tree-chrec.h (eq_evolutions_p): Declared.
9864 * tree-data-ref.c: Fix formatting.
9865 (datadep_stats, dependence_stats): New.
9867 (print_direction_vector): New.
9868 (dump_data_dependence_relation): Use print_direction_vector.
9869 (object_analysis, create_data_ref): Handle COMPONENT_REF.
9870 (compute_subscript_distance): Static.
9871 (initialize_data_dependence_relation): Static. Get the number
9872 of loops surrounding the references from the callers, and initialize
9873 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
9874 base_object_differ_p analyzers.
9875 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
9876 compute_overlap_steps_for_affine_1_2,
9877 analyze_subscript_affine_affine): Count the classified dependences.
9878 Print a message when a test failed.
9879 (can_use_analyze_subscript_affine_affine): New.
9880 (analyze_siv_subscript): Compute the data dependences on symbolic
9881 scevs that verify can_use_analyze_subscript_affine_affine.
9882 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
9883 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
9884 Handle symbolic scevs.
9885 (analyze_overlapping_iterations): Let symbolic affine scevs to be
9887 (subscript_dependence_tester): Moved...
9888 (build_classic_dist_vector, build_classic_dir_vector): Don't use
9889 lambda_vector_clear on newly allocated vectors. Get nb_loops from
9890 DDR_SIZE_VECT instead of getting it in parameter.
9891 (subscript_dependence_tester): ... here. Take as a parameter
9892 loop_nest_depth. Call build_classic_dist_vector and
9893 build_classic_dir_vector.
9894 (compute_affine_dependence): Update subscript_dependence_tester
9895 parameters. Update datadep_stats counters. Call
9896 compute_subscript_distance.
9897 (compute_self_dependence): Save the dist and dir vectors. Call
9898 compute_subscript_distance.
9899 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
9900 (compute_all_dependences): Reorder parameters as they were before
9901 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
9902 compute_subscript_distance. Update the use of
9903 compute_affine_dependence and initialize_data_dependence_relation.
9904 (find_data_references_in_loop): Handle COMPONENT_REF.
9905 (compute_data_dependences_for_loop): Initialize dependence_stats.
9906 Don't call build_classic_dist_vector and build_classic_dir_vector.
9907 Update the parameters of initialize_data_dependence_relation and
9908 compute_all_dependences. Print the statistics from datadep_stats.
9909 (analyze_all_data_dependences): Static. Not used until the pass for
9910 checking the data dependences is contributed.
9911 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
9912 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
9913 (initialize_data_dependence_relation, compute_affine_dependence,
9914 analyze_all_data_dependences, compute_subscript_distance): Removed.
9915 (print_direction_vector): New.
9916 * lambda.h (gcd): ... here.
9917 (lambda_vector_gcd): Moved here from gcd_vector.
9918 * lambda-code.c (gcd, gcd_vector): Removed.
9919 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
9920 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
9922 2006-02-20 Diego Novillo <dnovillo@redhat.com>
9924 * ipa-type-escape.c: Tidy some comments and white space.
9925 * tree-ssa-operands.c: Likewise.
9927 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
9930 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
9931 (dump_decl_name): Do not walk the decl tree chains.
9932 * tree-pass.h (TDF_CHAIN): Remove.
9934 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9936 * Makefile.in (C): Remove
9938 (.PHONY): Remove C and PROTO
9940 2006-02-20 Roger Sayle <roger@eyesopen.com>
9943 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
9944 deprecated CHAR_TYPE tree code.
9946 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9948 * configure.ac (target_list): Add install-info, dvi, html.
9949 * configure: Regenerate.
9951 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
9952 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
9953 treelang/Make-lang.in: Do not use double-colon rules.
9955 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
9957 * tree.h (struct tree_memory_tag): Add is_used_alone member.
9958 (TMT_USED_ALONE): New macro.
9959 * tree-pass.h (PROP_tmt_usage): New property.
9960 (TODO_update_tmt_usage): New todo.
9961 * tree-ssa-alias.c (updating_used_alone): New variable.
9962 (recalculate_used_alone): New function.
9963 (compute_may_aliases): Set updating_used_alone, call
9964 recalculate_used_alone.
9965 * tree-sra.c (pass_sra): Note that this pass destroys
9966 PROP_tmt_usage, and add TODO_update_tmt_usage.
9967 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
9968 * tree-flow.h (updating_used_alone): Prototype.
9969 (recalculate_used_alone): Ditto.
9970 * passes.c (execute_todo): Add code to set updating_used_alone,
9971 and call recalculate.
9972 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
9973 for clobber if used alone, and add assert to verify used_alone
9976 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
9978 * config/s390/s390.c (legitimize_pic_address): Assertions checking
9979 for non tls symbols added.
9980 (legitimize_address): Do nothing for PLUS expressions if one of the
9981 addends is a tls symbol reference.
9983 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9987 * Makefile.in (LDFLAGS): Define from autoconf substitution.
9989 * Makefile.in (BOOTSTRAPPING): New.
9990 (quickstrap): New definition if BOOTSTRAPPING=yes.
9992 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
9993 * configure.ac: Substitute all_selected_languages with the languages
9994 that were configured. For all the other variables except
9995 lang_specs_files, include all the languages in the tree.
9996 * configure: Regenerate.
9998 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
9999 if there is one. Run the commands to run fixincludes in the same
10002 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
10003 * doc/install.texi: Document exact conventions for searching target tools.
10004 Document --with-build-time-tools. Document toplevel bootstrap. Document
10005 something more about building an Ada cross-compiler. Don't list GNU Make
10006 requirements which affect all platforms.
10008 2006-02-19 Roger Sayle <roger@eyesopen.com>
10010 PR middle-end/19543
10011 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
10012 only equivalent if the have both the same mode and precision.
10014 2006-02-20 Ben Elliston <bje@au.ibm.com>
10016 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
10018 2006-02-19 Roger Sayle <roger@eyesopen.com>
10019 Steven Bosscher <stevenb.gcc@gmail.com>
10021 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
10022 constant pool references to identify stack mode constants.
10023 * rtlanal.c (constant_pool_constant_p): New predicate to check
10024 whether operand is a floating point constant in the pool.
10025 * rtl.h (constant_pool_constant_p): Prototype here.
10026 * loop.c (scan_loop): Avoid hoisting constants from the constant
10027 pool on STACK_REGS targets.
10028 (load_mems): Likewise.
10029 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
10030 loads into x87 registers expensive in terms of register pressure.
10032 2006-02-19 Roger Sayle <roger@eyesopen.com>
10034 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
10035 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
10037 2006-02-19 David Edelsohn <edelsohn@gnu.org>
10039 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10040 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
10042 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
10044 * doc/invoke.texi: Document -fipa-pta.
10045 * common.opt: Add ipa-pta option.
10046 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
10047 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
10048 (do_ds_constraint): Ditto.
10049 (get_constraint_for): Only add to referenced_vars if
10050 referenced_vars exists.
10051 (insert_into_field_list): Rewrite to do this unsorted.
10052 (insert_into_field_list_sorted): Rename old insert_into_field_list
10054 (create_function_info_for): Use insert_into_field_list_sorted.
10055 (create_variable_info_for): Rewrite so it uses unsorted version,
10056 since the field list is sorted.
10057 (intra_create_variable_infos): Only add to referenced_vars if
10058 referenced_vars exists.
10059 (ipa_pta_execute): Init heapvars, and delete when done.
10060 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
10062 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10064 * doc/install.texi: Add missing `@samp'.
10066 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10068 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
10071 2006-02-18 Mark Wielaard <mark@klomp.org>
10073 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
10074 who added new 4.1 features, bug fixes and integration support.
10076 2006-02-18 David Edelsohn <edelsohn@gnu.org>
10079 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
10080 MEM for ABI_V4 pic.
10082 2006-02-18 Richard Sandiford <richard@codesourcery.com>
10084 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
10085 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
10086 (copy_insn_1): Likewise. Don't copy each field individually.
10088 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
10090 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
10091 * rtl.c (rtx_size): Rename variable to...
10092 (rtx_code_size): ...this.
10093 (rtx_size): New function.
10094 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
10095 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
10097 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
10098 * rtl.h (rtx_code_size): New variable.
10099 (rtx_size): Change from a variable to a function.
10100 (RTX_SIZE): Rename to...
10101 (RTX_CODE_SIZE): ...this.
10104 PR tree-optimization/17106
10105 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
10106 (Anchored Addresses): New section.
10107 * doc/invoke.texi (-fsection-anchors): Document.
10108 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
10109 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
10110 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
10111 * hooks.c (hook_bool_mode_rtx_false): New function.
10112 * hooks.h (hook_bool_mode_rtx_false): Declare.
10113 * gengtype.c (create_optional_field): New function.
10114 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
10115 SYMBOL_REF_IN_BLOCK_P is true.
10116 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
10117 (min_anchor_offset, max_anchor_offset): Likewise.
10118 (use_anchors_for_symbol_p): New hook.
10119 * toplev.c (compile_file): Call output_object_blocks.
10120 (target_supports_section_anchors_p): New function.
10121 (process_options): Check that -fsection-anchors is only used on
10122 targets that support it and when -funit-at-a-time is in effect.
10123 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
10124 if the decl doesn't have one.
10125 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
10126 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
10127 of force_const_mem through use_anchored_address.
10128 (expand_expr_constant): New function.
10129 (expand_expr_addr_expr_1): Call it. Use the same modifier when
10130 calling expand_expr for INDIRECT_REF.
10131 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
10132 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
10133 * expr.h (use_anchored_address): Declare.
10134 * loop-unroll.c: Don't declare rtx vectors here.
10135 * explow.c: Include output.h.
10136 (validize_mem): Call use_anchored_address.
10137 (use_anchored_address): New function.
10138 * common.opt (-fsection-anchors): New switch.
10139 * varasm.c (object_block_htab, anchor_labelno): New variables.
10140 (hash_section, object_block_entry_eq, object_block_entry_hash)
10141 (use_object_blocks_p, get_block_for_section, create_block_symbol)
10142 (use_blocks_for_decl_p, change_symbol_section): New functions.
10143 (get_variable_section): New function, split out from assemble_variable.
10144 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
10145 use_blocks_for_decl_p say so. Use change_symbol_section if the
10146 symbol has already been created.
10147 (assemble_variable_contents): New function, split out from...
10148 (assemble_variable): ...here. Don't output any code for
10149 block symbols; just pass them to place_block_symbol.
10150 Use get_variable_section and assemble_variable_contents.
10151 (get_constant_alignment, get_constant_section, get_constant_size): New
10152 functions, split from output_constant_def_contents.
10153 (build_constant_desc): Create a block symbol if use_object_blocks_p
10154 says so. Or into SYMBOL_REF_FLAGS.
10155 (assemble_constant_contents): New function, split from...
10156 (output_constant_def_contents): ...here. Don't output any code
10157 for block symbols; just pass them to place_section_symbol.
10158 Use get_constant_section and get_constant_alignment.
10159 (force_const_mem): Create a block symbol if use_object_blocks_p and
10160 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
10161 (output_constant_pool_1): Add an explicit alignment argument.
10162 Don't switch sections here.
10163 (output_constant_pool): Adjust call to output_constant_pool_1.
10164 Switch sections here instead. Don't output anything for block symbols;
10165 just pass them to place_block_symbol.
10166 (init_varasm_once): Initialize object_block_htab.
10167 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
10168 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
10169 (place_block_symbol, get_section_anchor, output_object_block)
10170 (output_object_block_htab, output_object_blocks): New functions.
10171 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
10172 (TARGET_ASM_OUT): Include it.
10173 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
10174 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
10175 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
10176 (TARGET_INITIALIZER): Include them.
10177 * rtl.c (rtl_check_failed_block_symbol): New function.
10178 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
10179 (block_symbol, object_block): New structures.
10180 (rtx_def): Add a block_symbol field to the union.
10181 (BLOCK_SYMBOL_CHECK): New macro.
10182 (rtl_check_failed_block_symbol): Declare.
10183 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
10184 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
10185 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
10186 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
10187 * output.h (output_section_symbols): Declare.
10188 (object_block): Name structure.
10189 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
10190 (default_use_anchors_for_symbol_p): Declare.
10191 * Makefile.in (RTL_BASE_H): Add vec.h.
10192 (explow.o): Depend on output.h.
10193 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
10194 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10195 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10196 (rs6000_use_blocks_for_constant_p): New function.
10198 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10200 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
10202 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10205 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
10208 2006-02-18 Diego Novillo <dnovillo@redhat.com>
10210 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
10214 2006-02-18 Jakub Jelinek <jakub@redhat.com>
10216 PR middle-end/26334
10217 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
10218 instead of DECL_REGISTER.
10220 2006-02-18 Olivier Hainque <hainque@adacore.com>
10223 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
10225 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
10228 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
10229 * opth-gen.awk: Handle Var and InverseMask together.
10230 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
10231 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
10232 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
10233 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
10235 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10236 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10237 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
10238 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10239 LINUX_DYNAMIC_LINKER): Define.
10240 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
10241 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
10243 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10244 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
10245 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10246 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10247 (TARGET_C99_FUNCTIONS): Don't define.
10248 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
10249 GLIBC_DYNAMIC_LINKER.
10250 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
10251 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
10252 GLIBC_DYNAMIC_LINKER64): Define.
10253 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10254 LINUX_DYNAMIC_LINKER64.
10255 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10256 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10257 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
10258 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10259 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10260 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10261 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
10262 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
10263 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
10264 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
10265 and LINUX_DYNAMIC_LINKER32.
10266 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10267 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10268 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
10269 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10270 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
10272 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
10273 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
10274 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10275 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10276 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10277 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
10278 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
10279 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
10280 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10281 LINUX_DYNAMIC_LINKER): Define.
10282 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
10283 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
10284 GLIBC_DYNAMIC_LINKER64): Define.
10285 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10286 LINUX_DYNAMIC_LINKER64.
10287 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10288 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10289 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
10290 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10291 LINUX_DYNAMIC_LINKER): Define.
10292 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10293 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10294 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
10295 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
10296 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
10297 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10298 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
10299 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
10300 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10301 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10302 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10303 * doc/invoke.texi (-muclibc): Remove caveat about supported
10306 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
10308 * doc/cpp.texi (__TIMESTAMP__): Document.
10310 2006-02-17 Roger Sayle <roger@eyesopen.com>
10312 PR middle-end/25600
10313 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
10314 C is one less than the width of X (and related transformations).
10315 * simplify-rtx.c (simplify_unary_operation_1): Transform
10316 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
10317 depending on STORE_FLAG_VALUE, were C is one less then the
10320 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
10322 Fix PR tree-optimization/26341
10323 * tree-ssa-operands.c (add_virtual_operand): Remove assert
10324 about NAME_MEMORY_TAG's.
10326 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10329 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
10330 with hardware float support, and software float support. Add fcpy
10331 alternative to hardware patterns. Add alternatives to copy between
10332 general and floating-point registers to the 32-bit pattern.
10333 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
10334 secondary reload to load a QI or HI mode constant into a floating
10336 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
10337 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
10339 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
10342 * config/rs6000/darwin.md (load_macho_picbase_si): Add
10344 (load_macho_picbase_di): Likewise.
10346 2006-02-16 Jeff Law <law@redhat.com>
10348 * tree-vrp.c (set_value_range_to_nonnegative): New function.
10349 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
10350 (ssa_name_nonzero_p): Likewise.
10351 (get_value_range): Return NULL if VRP is not running.
10352 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
10353 VRP routines do not discover a range.
10354 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
10355 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
10356 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
10357 (tree_expr_nonnegative_p): Similarly.
10358 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
10359 (restore_nonzero_vars_to_original_value): Remove.
10360 (unsafe_associative_fp_binop): Remove.
10361 (tree_ssa_dominator_optimize): Remove initialization and
10362 finalization of nonzero_vars and nonzero_vars_stack.
10363 (dom_opt_initialize_block): No longer push marker on
10364 nonzero_vars_stack.
10365 (dom_opt_finalize_block): No longer call
10366 restore_nonzero_vars_to_original_value.
10367 (record_equivalences_from_phis): No longer look for
10368 nonzero PHI arguments.
10369 (cprop_into_successor_phis): No longer propagate nonzero
10370 property into PHI arguments. Lose unused argument. Caller
10372 (record_equivalences_from_stmt): No longer record nonzero
10373 values for SSA_NAMEs.
10374 (lookup_avail_expr): No longer use nonzero_vars.
10376 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
10377 for sizetype when sizetype is unsigned.
10379 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
10381 PR rtl-optimization/25603
10382 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
10383 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
10384 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
10385 with new meaning of SETS.
10387 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
10392 * config/linux.opt: New file.
10393 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
10394 LINUX_DYNAMIC_LINKER): Define.
10395 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
10396 * config.gcc (*-*-linux*): Define extra_options.
10397 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
10398 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
10399 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
10400 GLIBC_DYNAMIC_LINKER.
10401 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
10402 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10403 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10404 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10405 * doc/invoke.texi (GNU/Linux Options): New section.
10407 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10409 * config/sparc/sparc.md (setjmp): Rewrite.
10410 (setjmp_32): Delete.
10411 (setjmp_64): Likewise.
10413 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
10415 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
10418 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10420 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
10423 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10425 PR rtl-optimization/26296
10426 * Makefile.in (loop-invariant.c): Add except.h dependency.
10427 * loop-invariant.c: Include except.h.
10428 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
10430 2005-02-16 Paul Brook <paul@codesourcery.com>
10432 * reload1.c (emit_reload_insns): Invalidate dead input registers used
10435 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
10437 PR rtl-optimization/25636
10438 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
10439 when deciding whether an insn is an initializing insn.
10441 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
10443 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
10444 (tree_code_size): Ditto.
10445 * tree.h (struct tree_memory_tag): Remove parent_var.
10446 (struct tree_struct_field_tag): New.
10449 (union tree_node): Add sft member.
10450 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
10452 (create_sft): Add size and offset argument, set SFT_OFFSET and
10454 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
10455 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
10456 * tree-flow-inline.h (get_subvar_at): Update for
10457 SFT_OFFSET/SFT_SIZE.
10458 (var_can_have_subvars): Ditto.
10459 (overlap_subvar): Ditto.
10460 * print-tree.c (print_node): Print out interesting things for
10462 * tree-flow.h (struct subvar): Remove offset and size members.
10463 * tree-ssa-operands.c (get_expr_operands): Update for
10464 get_indirect_ref_operands changes.
10465 (get_indirect_ref_operands): Call add_virtual_operand instead of
10466 add_stmt_operand. Only recurse on base var if requested.
10467 (access_can_touch_variable): New function.
10468 (add_stmt_operand): Split virtual operand handling into ...
10469 (add_virtual_operand): Here. Add offset, size, and for_clobber
10470 arguments. Prune alias sets.
10471 (add_call_clobber_ops): Call add_virtual_operand.
10473 2006-02-15 Jakub Jelinek <jakub@redhat.com>
10475 PR middle-end/26300
10476 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
10478 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
10479 than TREE_CODE as index into omp_clause_num_ops array.
10481 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
10483 PR rtl-optimization/26184
10484 * modulo-sched.c (generate_reg_moves): Free bitmap vector
10486 * modulo-sched.c (sms_schedule): Free g_arr pointer.
10487 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
10488 must_precede, must_follow and tobe_scheduled.
10491 * opts.c (common_handle_option): Free new_option pointer.
10492 * df-core.c (df_analyze): Free postorder pointer.
10494 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10496 * Makefile.in: Fix the examples about the use of stamps
10498 2006-02-15 Michael Matz <matz@suse.de>
10500 PR middle-end/22275
10502 * stor-layout.c (layout_decl): Zero-width bitfields aren't
10503 influenced by maximum_field_alignment or DECL_PACKED.
10504 (update_alignment_for_field): Ditto.
10505 (place_field): Ditto.
10506 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
10509 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
10511 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
10512 (debug_flow_info): Pass it.
10513 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
10514 * bb-reorder.c (reorder_basic_blocks): Likewise.
10515 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
10516 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
10517 * flow.c (life_analysis, recompute_reg_usage): Likewise.
10518 * gcse.c (gcse_main, bypass_jumps): Likewise.
10519 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
10520 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
10521 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
10522 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
10523 * rtl.h (dump_flow_info): Adjust prototype.
10524 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
10525 * var-tracking.c (variable_tracking_main): Likewise.
10526 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
10527 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
10530 2006-02-15 Marcin Dalecki <martin@dalecki.de>
10532 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
10535 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10537 PR tree-optimization/26209
10538 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
10539 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
10541 * tree-cfg.c (replace_uses_by): Do not alter cfg.
10543 2006-02-14 Roger Sayle <roger@eyesopen.com>
10545 PR middle-end/23670
10546 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
10547 (X,Y) and the corresponding symmetry related transformations.
10548 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
10549 (X,Y) and its symmetry related transformations.
10551 2006-02-14 Roger Sayle <roger@eyesopen.com>
10553 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
10556 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
10558 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
10560 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10563 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
10564 support COMDAT group.
10565 * configure: Regenerate.
10567 2006-02-14 Roger Sayle <roger@eyesopen.com>
10569 PR middle-end/26279
10570 PR middle-end/26280
10571 PR middle-end/26283
10572 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
10574 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
10576 Fix PR tree-optimization/26260
10578 * doc/invoke.texi (max-fields-for-field-sensitive): Document
10580 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
10581 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
10582 * tree-ssa-structalias.c (create_variable_info_for): Use
10583 MAX_FIELDS_FOR_FIELD_SENSITIVE.
10585 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10587 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
10589 * tree-ssa-loop-niter.c (number_of_iterations_ne,
10590 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
10591 of the ending condition.
10592 * tree-ssa-loop-manip.c: Include params.h.
10593 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
10594 tree_unroll_loop): New functions.
10595 * tree-pass.h (pass_loop_prefetch): Declare.
10596 * loop.c (rest_of_handle_loop_optimize): Test for
10597 -fprefetch-loop-arrays-rtl.
10598 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
10599 * timevar.def (TV_TREE_PREFETCH): New timevar.
10600 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
10601 pass_loop_prefetch): New.
10602 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
10603 (cleanup_tree_cfg_loop): Call scev_reset.
10604 * common.opt (fprefetch-loop-arrays-rtl): Add.
10605 * tree-ssa-loop-prefetch.c: New file.
10606 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
10607 (new_temp_expr_table): Initialize expr_vars.
10608 (free_temp_expr_table): Cleanup expr_vars.
10609 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
10610 expressions from being merged into one.
10611 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
10612 (struct tree_niter_desc): Add control, bound and cmp fields.
10613 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
10615 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
10616 (tree-cfgcleanup.o): Add SCEV_H dependency.
10617 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
10618 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
10620 2006-02-14 Richard Guenther <rguenther@suse.de>
10622 PR tree-optimization/26258
10623 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
10624 in PHI argument processing.
10626 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
10628 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
10629 new expression in the requested machine mode.
10631 2006-02-13 Roger Sayle <roger@eyesopen.com>
10633 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
10634 directly, instead let do_compare_rtx_and_jump handle this for us.
10635 * expr.c (expand_expr_real_1): Likewise.
10636 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
10637 before do_jump_by_parts_greater.
10638 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
10639 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
10641 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10643 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
10645 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10647 PR rtl-optimization/26235
10648 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
10649 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
10652 2006-02-13 Jeff Law <law@redhat.com>
10654 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
10657 2006-02-13 Jakub Jelinek <jakub@redhat.com>
10659 PR middle-end/26092
10660 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
10661 twice if decl is a builtin. When trying again, call get_callee_fndecl
10662 first to verify it is still a builtin.
10664 2006-02-13 Geoffrey Keating <geoffk@apple.com>
10666 * dwarf2out.c (base_type_die): Don't add AT_name here.
10667 (subrange_type_die): Don't add AT_name here.
10668 (modified_type_die): Rearrange code flow. Do add AT_name here.
10670 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10672 PR rtl-optimization/26247
10673 PR rtl-optimization/26248
10674 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
10676 2006-02-13 Richard Sandiford <richard@codesourcery.com>
10678 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
10679 * config/fixtfdi.c: Likewise.
10680 * config/fixunstfdi.c: Likewise.
10681 * config/floatditf.c: Likewise.
10683 2006-02-13 Roger Sayle <roger@eyesopen.com>
10685 PR middle-end/24427
10686 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
10687 into (X,C2) if C1 is a subset of the bits of C2. Transform
10688 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
10690 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
10692 2006-02-13 Josh Conner <jconner@apple.com>
10695 * varasm.c (function_section): Check for section name before
10696 calling select_section on targets that define
10697 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
10698 unlikely_text_section instead of hot_function_section if
10699 first_function_block_is_cold.
10701 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
10703 PR middle-end/25335
10704 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
10706 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10708 PR rtl-optimization/26222
10709 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
10710 after tree->rtl expansion.
10711 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
10712 before passing it to emit_move_insn.
10714 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
10716 * doc/invoke.texi (-Write-strings): Document that it is enabled by
10718 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
10719 Clarify documentation.
10720 * c-common.h (warn_write_strings): Remove.
10721 * c-common.c (warn_write_strings): Likewise.
10722 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
10725 2006-02-12 Roger Sayle <roger@eyesopen.com>
10727 PR middle-end/25724
10728 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
10729 (do_jump_parts_zero_rtx): New function renamed from
10730 do_jump_parts_equality_rtx. Made static. Add a mode argument.
10731 (do_jump_parts_equality_rtx): New function split out from
10732 do_jump_parts_equality. Old implementation renamed as above.
10733 Call do_jump_parts_zero_rtx if either operand is zero.
10734 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
10735 do all of the heavy lifting.
10736 (do_compare_rtx_and_jump): Handle multi-word comparisons by
10737 calling either do_jump_by_parts_greater_rtx or
10738 do_jump_by_parts_equality_rtx.
10739 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
10740 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
10741 moved to do_compare_rtx_and_jump, call it directly.
10742 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
10743 mode argument. Call do_compare_rtx_and_jump.
10744 (emit_case_nodes): Update calls to do_jump_if_equal.
10746 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10748 PR rtl-optimization/26225
10749 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
10751 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10753 PR rtl-optimization/26232
10754 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
10756 2006-02-11 Jason Merrill <jason@redhat.com>
10759 * tree-inline.c (declare_return_variable): Just don't use the
10760 modify target if it's a gimple complex reg and the return slot
10763 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10765 * doc/contrib.texi: Update my entry.
10767 2006-02-10 Geoffrey Keating <geoffk@apple.com>
10769 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
10771 2006-02-10 Diego Novillo <dnovillo@redhat.com>
10773 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
10776 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
10778 * doc/invoke.texi (-floop-optimize2): Removed.
10779 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
10780 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
10781 Test flag_branch_on_count_reg only if HAVE_doloop_end.
10782 * common.opt (floop-optimize2): Removed.
10783 (fmove-loop-invariants): Enabled by default.
10785 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
10787 * tree-if-conv.c (combine_blocks): Free the result of
10788 get_loop_exit_edges.
10790 2006-02-10 Jeff Law <law@redhat.com>
10792 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
10794 PR tree-optimization/26213
10795 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
10796 loop trying to follow SSA_NAME_VALUE chains.
10798 2006-02-10 Richard Guenther <rguenther@suse.de>
10800 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
10801 deal with structures that end in implicitly variable sized arrays.
10803 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10805 PR rtl-optimization/24762
10806 * df-scan.c (df_bb_refs_record): Record correct registers defined on
10809 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10811 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
10812 (struct ivopts_data): Add regs_used field.
10813 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
10814 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
10815 instead of loop_data->regs_used;
10816 (free_loop_data): Do not free aux fields for loops.
10817 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
10818 and tree_ssa_iv_optimize_finalize.
10820 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
10822 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
10824 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10827 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
10828 computing the effective result type.
10830 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10832 PR inline-asm/16194
10833 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
10834 (tree_overlaps_hard_reg_set): Declare.
10835 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
10836 type and signature to match function type expected by walk_tree.
10837 (tree_overlaps_hard_reg_set): New function.
10838 (decl_conflicts_with_clobbers_p): Rename to:
10839 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
10840 Use tree_overlaps_hard_reg_set. Changed caller.
10841 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
10842 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
10843 * cris.c (cris_md_asm_clobbers): Likewise.
10845 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
10847 * reload1.c (emit_input_reload_insns): Delete code that tries to
10848 inherit using find_equiv_reg.
10850 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
10852 * c-common.h (flag_const_strings): Don't declare.
10853 * c-common.c (flag_const_strings): Remove.
10854 * c.opt (fconst_strings): Remove.
10855 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
10856 <OPT_Wwrite_strings>: Don't set flag_const_strings.
10857 (c_common_init_options): Don't set flag_const_strings.
10858 * doc/invoke.texi (-fno-const-strings): Remove documentation.
10860 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
10862 * arm.md (tlobits_cbranch): New pattern.
10863 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
10864 testing a single bit.
10866 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10869 * tree-ssa-pre.c (create_component_ref_by_pieces):
10870 Handle RETURN_DECL like VAR_DECL.
10872 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10874 PR middle-end/26134
10875 * fold-const.c (fold_indirect_ref_1): Fold
10876 "*(foo *)&complexfoo" to "__real__ complexfoo"
10877 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
10879 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10881 * tree-flow-inline.h (var_can_have_subvars):
10882 Volatile variables should not have subvariables.
10884 2006-02-09 Diego Novillo <dnovillo@redhat.com>
10887 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
10888 multiplying unsigned values.
10891 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
10893 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
10895 2006-02-08 Jason Merrill <jason@redhat.com>
10898 * tree.def: Elaborate on difference from MODIFY_EXPR.
10899 * doc/c-tree.texi (INIT_EXPR): Likewise.
10900 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
10901 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
10902 (gimplify_target_expr): Likewise.
10903 (gimplify_cond_expr): Remove target handling.
10904 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
10905 (gimplify_expr): Clobber it here.
10906 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
10907 Do return slot optimization if we have an INIT_EXPR.
10910 * tree-inline.c (declare_return_variable): Also clear
10911 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
10914 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
10916 PR middle-end/22439
10917 * gimplify.c (gimplify_one_sizepos): Fix typo.
10919 2006-02-08 Jeff Law <law@redhat.com>
10921 PR tree-optimization/21417
10922 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
10923 across a backedge if the control statement at the end of the
10924 block is data dependent on other statements in the same block.
10925 (record_temporary_equivalences_from_stmts): Remove over-conservative
10926 test for threading across backedges.
10928 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
10929 control statement, handle all three special cases in the same
10930 manner as they all have the same desired solution. No longer
10931 special case edge flag updating when the post dominator is
10934 2006-02-08 Roger Sayle <roger@eyesopen.com>
10936 * tree.def (CHAR_TYPE): Remove.
10937 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
10938 * dwarf2out.c (base_type_die, is_base_type): Likewise.
10939 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
10940 (gen_string_type_die): Delete unreachable function.
10942 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
10943 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
10944 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
10945 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
10946 * builtins.c (type_to_class): Likewise.
10947 * fold-const.c (fold_convert, build_range_check,
10948 merge_ranges): Likewise.
10949 * expr.c (count_type_elements): Likewise.
10950 * c-pretty-print.c (pp_c_type_specifier): Likewise.
10951 * stor-layout.c (layout_type): Likewise.
10952 * ipa-type-escape.c (type_to_consider): Likewise.
10953 * gimplify.c (omp_firstprivatize_type_sizes,
10954 gimplify_type_sizes): Likewise.
10955 * explow.c (promote_mode): Likewise.
10956 * tree-sra.c (is_sra_scalar_type): Likewise.
10957 * varasm.c (output_constant): Likewise.
10958 * tree-inline.c (remap_type_1): Likewise.
10959 * convert.c (convert_to_pointer, convert_to_real,
10960 convert_to_integer, convert_to_complex): Likewise.
10962 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
10964 * df-scan.c (df_def_record_1): A set destination may
10965 be a parallel regardless of mode.
10967 2006-02-08 Roger Sayle <roger@eyesopen.com>
10970 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
10971 * config/mips/_tilib.c: Remove.
10972 * config/fixtfdi.c: New libgcc source file.
10973 * config/fixunstfdi.c: New source file.
10974 * config/floatditf.c: New source file.
10975 * config/floatunditf.c: New souce file.
10976 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10977 files above instead of config/mips/_tilib.c.
10978 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10980 2006-02-08 Jeff Law <law@redhat.com>
10982 PR tree-optimization/26169
10983 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
10986 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
10988 * df.h (DF_REG_SIZE): Return the length of the initialized
10991 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
10993 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
10994 __muldf3): Return a correctly signed zero.
10996 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
10998 * passes.c (register_one_dump_file): Accept the current properties
10999 instead of pass number. Adjust call to dump_register. Remove
11001 (register_dump_files): Now a wrapper around...
11002 (register_dump_files_1): ... this one. Do not modify the pass
11004 (next_pass_1): Cosmetic fix.
11005 (execute_todo): Keep second parameter only. Use curr_properties
11006 instead of fetching it from the pass structure. Check and set
11008 (execute_one_pass): Handle TODO_set_props. Use curr_properties
11009 instead of fetching it from the pass structure. Fix calls to
11010 execute_todo. Update curr_properties and initialize .vcg RTL dump
11011 after running the pass. Reset last_verified.
11012 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
11014 (FIRST_AUTO_NUMBERED_DUMP): New.
11015 (dump_register): Remove "num" parameter, assign it within the
11017 (get_dump_file_name): Modify template for dumps.
11018 * tree-dump.h (dump_register): Adjust prototype.
11019 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
11020 (PROP_trees): Add PROP_gimple_lomp.
11021 (TODO_set_props): New.
11022 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
11023 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
11024 * cfgexpand.c (pass_expand): Destroy PROP_trees.
11026 2006-02-08 Jakub Jelinek <jakub@redhat.com>
11028 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
11029 (sparc64-*-linux*): Likewise.
11030 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
11031 * config/sparc/t-linux: New file.
11032 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
11033 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
11034 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
11035 -m32 -mlong-double-128.
11037 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
11038 * config/alpha/t-linux: New file.
11039 * config/alpha/libgcc-alpha-ldbl.ver: New file.
11041 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
11042 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
11043 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
11044 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
11045 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
11046 (CPP_ARCH32_SPEC): Remove.
11048 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
11050 PR tree-optimization/26145
11051 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
11054 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11057 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
11058 >= 240000 when generating code for SOM runtime.
11059 (output_indirect_call): Don't use "b,l" instruction for indirect calls
11060 to $$dyncall when generating code for SOM runtime..
11062 2006-02-07 Dirk Mueller <dmueller@suse.com>
11065 * doc/invoke.texi (-Wsequence-point): Update documentation
11066 that -Wsequence-point is implemented for C++ as well.
11068 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11070 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
11071 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
11072 (LIB_SPEC): Likewise.
11073 * doc/invoke.texi (SPARC options): Document -pthread.
11075 2006-02-07 Geoffrey Keating <geoffk@apple.com>
11077 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
11080 2006-02-07 Roger Sayle <roger@eyesopen.com>
11082 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
11083 Correct comment describing BOOLEAN_TYPE.
11085 2006-02-07 Dirk Mueller <dmueller@suse.com>
11087 * c.opt: C++ frontend supports -Wdiv-by-zero.
11088 * c-opts.c (c_common_handle_option): Remove dead case.
11090 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11092 * configure.ac (TLS assembler check): Do not enable TLS by
11093 default on SPARC/Solaris before version 10.
11094 * configure: Regenerate.
11096 2006-02-07 David Edelsohn <edelsohn@gnu.org>
11098 * doc/invoke.texi (xl-compat): Document conversion and support
11101 2006-02-07 Jeff Law <law@redhat.com>
11103 * tree-vrp.c (find_conditional_asserts): Update comments.
11104 (simplify_stmt_for_jump_threading): New.
11105 (identify_jump_threads, finalize_jump_threads): New.
11106 (vrp_finalize): Call identify_jump_threads.
11107 (execute_vrp): Call finalize_jump_threads.
11108 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
11109 (vrp_element, vrp_data, vrp_element_p): Remove.
11110 (vrp_hash_elt, vrp_variables_stack): Remove.
11111 (vrp_hash, vrp_eq, record_range): Remove.
11112 (simplify_cond_and_lookup_avail_expr): Remove.
11113 (extract_range_from_cond): Remove.
11114 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
11115 (simplify_stmt_for_jump_threading): New.
11116 (dom_thread_across_edge): New wrapper.
11117 (tree_ssa_dominator_optimize): No longer initialize or
11118 finalize any of the VRP datastructures. Remove iteration
11119 step and simplify as a result of removal of iteration step.
11120 (pass_dominator): Perform a cfg cleanup after DOM.
11121 (dom_opt_finalize_block): Use the new common routines
11122 for threading jumps. Simplify stack management slightly.
11123 No longer need to unwind VRP state.
11124 (record_equivalences_from_incoming_edge): No longer record
11126 (eliminate_redundant_computations): No longer call
11127 simplify_cond_and_lookup_avail_expr.
11128 * tree-flow.h (potentially_threadable_block): Prototype.
11129 (thread_across_edge): Likewise.
11130 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
11131 (tree-ssa-threadedge.o): Add dependencies.
11132 * tree-ssa-threadedge.c: New file.
11133 * passes.c (init_optimization_passes): Merge PHIs before
11134 calling VRP. Run VRP again late in the SSA optimization pipeline.
11136 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11138 * df-core.c (df_set_blocks): Do not dereference function pointers.
11139 (df_finish1): Likewise.
11140 (df_hybrid_search_forward): Likewise.
11141 (df_hybrid_search_backward): Likewise.
11142 (df_iterative_dataflow): Likewise.
11143 (df_analyze_problem): Likewise.
11144 (df_compact_blocks): Likewise.
11145 (df_dump): Likewise.
11146 * df-scan.c (df_rescan_blocks): Likewise.
11147 (df_record_entry_block_defs): Likewise.
11149 * genconditions.c (write_conditions): Guard the definition of
11150 'insn_conditions' with the check on GCC version.
11151 (write_writer): Guard the traversal 'insn_conditions' with
11152 the check on GCC version.
11154 2006-02-07 Richard Guenther <rguenther@suse.de>
11158 2006-01-30 Richard Guenther <rguenther@suse.de>
11160 * gimplify.c (gimplify_target_expr): Handle easy cases
11161 without creating a temporary.
11163 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
11165 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
11166 use of float in probability computations. Use edge probabilities
11167 in place of statically computed probabilities.
11168 (min_spec_prob): New static variable.
11169 (schedule_insns): Initialize it.
11170 (GET_SRC_PROB): Removed.
11171 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
11173 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
11176 * config/ia64/unwind-ia64.c: Revert last change.
11177 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
11178 (INCOMING_FRAME_SP_OFFSET): Define.
11180 2006-02-06 Roger Sayle <roger@eyesopen.com>
11182 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
11184 2006-02-07 Ben Elliston <bje@au.ibm.com>
11186 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
11187 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
11188 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
11189 (ix86_return_in_memory): Handle TDmode.
11190 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
11191 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
11193 2006-02-06 Richard Sandiford <richard@codesourcery.com>
11195 * reorg.c (dbr_schedule): Use dump_file instead of file.
11197 2006-02-06 Steve Ellcey <sje@cup.hp.com>
11200 * config/ia64/predicates.md (extr_len_operand): New predicate.
11201 * config/ia64/ia64.md (extv): Tighten constraints.
11203 (*tbit_and_2): Ditto.
11204 (*tbit_and_3): Ditto.
11205 (*tbit_or_2): Ditto.
11206 (*tbit_or_3): Ditto.
11207 (*bit_zero): Ditto.
11210 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
11213 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
11215 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
11217 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
11218 loop_optimizer_init and loop_optimizer_finalize
11219 * tree-ssa-sink.c (execute_sink_code): Ditto.
11220 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11221 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
11222 tree_ssa_loop_done): Ditto.
11223 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
11224 * sched-ebb.c: Include output.h.
11225 (schedule_ebbs): Do not use dump argument.
11226 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
11227 * loop.c (loop_dump_stream): Removed.
11228 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
11230 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
11231 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
11232 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
11233 loop_iterations, strength_reduce, record_biv, record_giv,
11234 final_giv_value, check_final_value, check_ext_dependent_givs,
11235 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
11236 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
11237 dump_file instead of loop_dump_stream.
11238 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
11239 argument dump_file.
11240 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
11242 * flow.c (life_analysis, rest_of_handle_life): Ditto.
11243 * haifa-sched.c: Include output.h
11244 (schedule_insns, sched_init): Do not use dump argument.
11245 * mode-switching.c (optimize_mode_switching): Ditto.
11246 * modulo-sched.c (stats_file): Removed.
11247 (print_node_sched_params): Do not call argument dump_file.
11248 (sms_schedule_by_order, loop_canon_p, sms_schedule,
11249 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
11251 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
11253 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
11254 rtl_loop_init, rtl_loop_done): Ditto.
11255 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
11256 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
11258 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
11259 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
11260 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
11261 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
11262 * emit-rtl.c (renumber_insns): Ditto.
11263 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
11264 expand_gimple_basic_block, tree_expand_cfg): Ditto.
11265 * regclass.c (regclass): Ditto.
11266 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
11267 remove_ssa_form, rewrite_out_of_ssa): Ditto.
11268 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
11269 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
11271 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
11272 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
11274 * gcse.c (gcse_file, debug_stderr): Removed.
11275 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
11276 rest_of_handle_gcse): Do not use dump argument.
11277 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
11278 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
11279 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
11280 compute_code_hoist_vbeinout, compute_code_hoist_data,
11281 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
11282 compute_store_table, build_store_vectors, insert_insn_start_bb,
11283 insert_store, remove_reachable_equiv_notes, replace_store_insn,
11284 store_motion): Use dump_file instead of gcse_file.
11285 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
11286 * profile.c (profile_dump_file): Removed.
11287 (branch_prob): Use dump_file instead of profile_dump_file.
11288 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
11290 * tree-ssa-copy.c (dump_copy_of): Ditto.
11291 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
11292 dump file to life_analysis.
11293 * bt-load.c (branch_target_load_optimize): Ditto.
11294 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
11296 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
11297 regclass, dbr_schedule): Declaration changed.
11298 * sched-int.h (sched_init): Declaration changed.
11299 * tree-profile.c (tree_profile_dump_file): Removed.
11300 (tree_profile_hooks): Removed profile_dump_file hook.
11301 * rtl-profile (rtl_profile_dump_file): Removed.
11302 (rtl_profile_hooks): emoved profile_dump_file hook.
11303 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
11305 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
11306 * tree-cfg.c (build_tree_cfg): Ditto.
11307 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
11308 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
11309 Declaration changed.
11310 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
11311 life_analysis and schedule_insns.
11312 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
11314 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
11316 * config/mips/mips.c (mips_reorg): Ditto.
11317 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
11320 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
11322 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11323 (s390_mangle_fundamental_type): New.
11324 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11327 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11328 (alpha_mangle_fundamental_type): New.
11329 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11332 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11334 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11336 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11337 (sparc_mangle_fundamental_type): New.
11339 2006-02-06 Jakub Jelinek <jakub@redhat.com>
11341 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
11342 (s390x-*-linux*): Likewise.
11343 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
11344 * config/s390/t-linux: New file.
11346 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11348 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
11349 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
11351 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
11353 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
11354 (ANTIC_SAFE_LOADS): New macro.
11355 (find_or_generate_expression): Add prototype.
11356 (set_contains_value): Allow null set for sake of not always having
11357 to allocate ANTIC_SAFE_LOADS.
11358 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
11359 Allow COMPONENT_REF too.
11360 (valid_in_set): Allow COMPONENT_REF.
11361 Check ANTIC_SAFE_LOADS too.
11362 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
11363 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
11365 (can_PRE_operation): Add COMPONENT_REF.
11366 (create_component_ref_by_pieces): New function.
11367 (create_expression_by_pieces): Use create_component_ref_by_pieces.
11368 (insert_aux): Move AGGREGATE_TYPE_P check here.
11369 (compute_avail): Set bb local stmt uids.
11370 (pass_pre): Use TODO_update_ssa_only_virtuals.
11372 2006-02-06 Ben Elliston <bje@au.ibm.com>
11374 * configure.ac: Unconditionally disable decimal float by default.
11375 * configure: Regenerate.
11377 2006-02-06 Ben Elliston <bje@au.ibm.com>
11379 * read-rtl.c (read_name): Terminate reading on EOF.
11381 2006-02-06 Ben Elliston <bje@au.ibm.com>
11383 * dfp.c (decimal_real_arithmetic): Change second argument type
11384 from int to enum tree_code. Do not always return true, but now
11385 return result of any call to decimal_do helper functions.
11386 * dfp.h (decimal_real_arithmetic): Update prototype.
11388 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
11390 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
11392 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
11395 * tree-cfg.c (cleanup_dead_labels): Also don't remove
11398 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11400 * tree-vrp.c (cfg_loops): Removed.
11401 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
11402 Use current_loops instead of cfg_loops. Pass flags to
11403 loop_optimizer_init.
11404 * cfgloopmanip.c (fix_loop_structure): Update only available
11406 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
11407 loop_optimizer_init.
11408 * modulo-sched.c (build_loops_structure): Removed.
11409 (sms_schedule): Use loop_optimizer_init.
11410 * loop-init.c (loop_optimizer_init): Use flags to determine
11411 which properties of loops to prepare.
11412 (rtl_loop_init): Pass flags to loop_optimizer_init.
11413 * tree-ssa-sink.c (execute_sink_code): Ditto.
11414 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
11415 * tree-ssa-pre.c (init_pre): Ditto.
11416 * cfgloop.h (LOOPS_NORMAL): New.
11417 (loop_optimizer_init): Declaration changed.
11419 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11421 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
11422 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
11424 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
11426 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
11428 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
11429 * pa/t-pa64: Delete quadlib.c rule.
11430 * pa/x-ada: Revert last change.
11431 * pa/t-pa: Revert last change. Delete quadlib.c rule.
11433 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11435 PR rtl-optimization/26087
11436 * rtlanal.c (canonicalize_condition): Do not cross basic block
11439 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
11442 * config/ia64/ia64.c: Include debug.h.
11443 (MAX_ARTIFICIAL_LABEL_BYTES): New.
11444 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
11445 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
11446 (process_epilogue, process_set, process_for_unwind_directive):
11447 Output unwind info only if requested. Add CFA info if requested.
11448 Add new arguments as needed. Adjust callers.
11449 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
11451 (DWARF2_FRAME_INFO): Define to zero.
11452 * config/ia64/unwind-ia64.c: Remove code that compensated for
11453 the CFA offset error fixed above.
11454 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
11455 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
11456 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
11457 -funwind-tables and -fexceptions to enable frame info.
11458 (dwarf2out_frame_init): Define initial CFA even if
11459 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
11460 DWARF2_UNWIND_INFO is nonzero, not just defined.
11461 (dwarf2out_frame_finish): Output non-EH call frame info only
11462 if DWARF2_FRAME_INFO is nonzero.
11463 (convert_cfa_to_loc_list,
11464 compute_frame_pointer_to_cfa_displacement): Define even if
11465 unwind info is not supported.
11466 (gen_subprogram_die): Use the above unconditionally. Remove
11467 legacy alternate code.
11468 * toplev.c (compile_file): Compile in call to
11469 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
11470 (lang_dependent_init): Ditto for dwarf2out_frame_init.
11472 2006-02-04 David Edelsohn <edelsohn@gnu.org>
11473 Jakub Jelinek <jakub@redhat.com>
11475 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
11476 IBM extended float format long double as "g" on powerpc*-linux.
11478 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11481 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
11482 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
11484 2006-02-03 Jason Merrill <jason@redhat.com>
11487 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
11489 PR middle-end/25977
11490 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
11491 on the return slot if it's an NRV.
11493 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
11495 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
11496 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
11497 rewrite_use): Do not handle USE_OUTER.
11498 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
11499 add_iv_outer_candidates, may_replace_final_value,
11500 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
11501 (find_interesting_uses_op): Functionality of
11502 find_interesting_uses_outer_or_nonlin moved here.
11503 (find_interesting_uses_outside): Use find_interesting_uses_op.
11505 2006-02-03 Alan Modra <amodra@bigpond.net.au>
11508 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
11510 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
11511 Ulrich Weigand <uweigand@de.ibm.com>
11514 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
11515 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
11516 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
11517 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
11519 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
11520 (s390_rtx_costs): Use the new fields to calculate rtx costs.
11521 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
11522 Define secondary reloads for TFmode moves.
11523 (constant_modes): Add TFmode.
11524 (NR_C_MODES): Set to 8.
11525 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
11527 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
11528 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
11529 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
11530 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
11531 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
11532 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
11533 (FPR mode macro): Add TFmode.
11534 (DSF mode macro): New.
11535 (<de>, <dee> mode attributes): Removed.
11536 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
11537 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
11538 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
11539 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
11540 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
11541 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
11542 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
11543 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
11544 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
11545 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
11546 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
11547 "*negabs<mode>2", "sqrt<mode>2"):
11548 Changed <de> to <xde>. R constraint replaced by <Rf>.
11549 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
11551 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
11552 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
11553 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
11555 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
11556 "extenddftf2", "extendsftf2"): New expanders.
11557 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
11558 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
11559 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
11560 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
11562 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
11563 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
11564 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
11565 __floatditf): Add a GCC_4.1.0 symbol version tag.
11566 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
11569 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
11572 * config/i386/i386.c (ix86_function_ok_for_sibcall):
11573 Use targetm.binds_local_p instead of TREE_PUBLIC.
11575 2006-02-02 Roger Sayle <roger@eyesopen.com>
11577 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
11578 on INTEGER_TYPEs to indicate that it denotes a character type.
11579 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
11580 signed_char_type_node, unsigned_char_type_node and char_type_node.
11581 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
11582 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
11583 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
11585 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
11586 Daniel Berlin <dberlin@dberlin.org>
11588 * tree-tailcall.c (arg_needs_copy_p): New function.
11589 (eliminate_tail_call): Use arg_needs_copy_p.
11590 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
11591 (add_virtual_phis): New function.
11593 2006-02-02 Jakub Jelinek <jakub@redhat.com>
11595 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
11596 #ignore instead of #scratch for %g7 .register directive.
11598 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
11600 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
11603 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11605 * flow.c (calculate_global_regs_live): Assert that there aren't any
11608 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
11610 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
11611 what its name says.
11612 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
11613 bsi_after_labels iterator.
11614 * tree-if-conv.c (find_phi_replacement_condition,
11615 replace_phi_with_cond_modify_expr): Likewise.
11616 * tree-scalar-evolution.c (scev_const_prop): Likewise.
11617 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
11619 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11621 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
11623 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11626 * tree-cfg.c (move_block_to_fn): Clear out the basic block
11627 array after growing it.
11629 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11631 PR middle-end/24901
11632 * fold-const.c (fold_checksum_tree): Change type of buf.
11634 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
11636 * reload.c (push_secondary_reload): Initialize t_icode.
11638 2006-02-01 Jakub Jelinek <jakub@redhat.com>
11640 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
11641 -msoft-float -mlong-double-128 only issue a warning, but don't
11642 swich to DFmode long double.
11644 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
11646 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
11647 has a constant equivalent, iterate over equivalents for arg0,
11648 calling simplify_relational_operation and if there's a result
11649 cheaper than X, apply fold_rtx and return the result.
11651 2006-02-01 Jan Hubicka <jh@suse.cz>
11653 * opts.c (no_unit_at_a_time_default): New global variable.
11654 (decode_options): Use it.
11655 * opts.h (no_unit_at_a_time_default): Declare.
11657 2006-02-01 Paul Brook <paul@codesourcery.com>
11659 * function.c (assign_parm_setup_reg): Use function argument promotion
11661 * expr.c (expand_expr_real_1): Use function argument promotion rules
11664 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11666 * gcc.c (process_command): Change j to 'unsigned int'.
11668 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11670 PR middle-end/26001
11671 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
11672 Use the corrected index for the character
11673 out of the string constant.
11675 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11677 * mode-switching.c (optimize_mode_switching): Fix size
11678 allocated for bb_info[n_entities].
11680 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11682 * gcc.c (main): Correct type that is allocated for
11683 explicit_link_files.
11685 2006-01-31 Jakub Jelinek <jakub@redhat.com>
11687 * config/s390/s390.c (init_alignment_context): Set
11688 ALIAS_SET_MEMORY_BARRIER on the MEM.
11689 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
11691 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
11693 PR middle-end/25933
11694 * loop-unroll.c (unroll_loop_runtime_iterations): Free
11696 * tree-ssa-live.c (type_var_init): Allocate bitmap after
11699 2006-01-31 Marcin Dalecki <martin@dalecki.de>
11701 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
11702 * regrename.c: Ditto.
11703 * tree-ssa-loop-im.c: Ditto.
11704 * tree-dump.c: Ditto.
11705 * tree-complex.c: Ditto.
11706 * genrecog.c: Ditto.
11707 * tree-ssa-threadupdate.c: Ditto.
11709 * java/class.c: Ditto.
11710 * java/jcf-parse.c: Ditto.
11711 * java/resource.c: Ditto.
11712 * java/except.c: Ditto.
11713 * java/jvspec.c: Ditto.
11714 * java/jcf-write.c: Ditto.
11715 * java/jcf-path.c: Ditto.
11716 * java/gjavah.c: Ditto.
11717 * java/zextract.c: Ditto.
11718 * java/jcf-io.c: Ditto.
11719 * java/jcf.h: Ditto.
11720 * java/buffer.c: Ditto.
11721 * java/lang.c: Ditto.
11722 * java/parse-scan.y: Ditto.
11723 * java/lex.c: Ditto.
11724 * java/lex.h: Ditto.
11725 * cfgloopmanip.c: Ditto.
11726 * postreload-gcse.c: Ditto.
11727 * tree-ssa-loop-manip.c: Ditto.
11728 * postreload.c: Ditto.
11729 * tree-ssa-loop-ch.c: Ditto.
11732 * cppspec.c: Ditto.
11733 * diagnostic.c: Ditto.
11735 * genoutput.c: Ditto.
11737 * cfghooks.c: Ditto.
11738 * cfgloopanal.c: Ditto.
11739 * objc/objc-act.c: Ditto.
11741 * genextract.c: Ditto.
11742 * genautomata.c: Ditto.
11743 * pretty-print.c: Ditto.
11744 * genemit.c: Ditto.
11745 * cgraphunit.c: Ditto.
11747 * df-scan.c: Ditto.
11748 * haifa-sched.c: Ditto.
11749 * dominance.c: Ditto.
11751 * tree-ssa-loop-ivopts.c: Ditto.
11752 * df-core.c: Ditto.
11753 * mode-switching.c: Ditto.
11754 * modulo-sched.c: Ditto.
11756 * ipa-pure-const.c: Ditto.
11758 * fix-header.c: Ditto.
11760 * tree-stdarg.c: Ditto.
11761 * ipa-utils.c: Ditto.
11762 * loop-init.c: Ditto.
11763 * ipa-inline.c: Ditto.
11764 * cfganal.c: Ditto.
11766 * alloc-pool.c: Ditto.
11767 * dwarf2out.c: Ditto.
11769 * genattrtab.c: Ditto.
11770 * tree-ssa-loop-ivcanon.c: Ditto.
11771 * predict.c: Ditto.
11772 * timevar.c: Ditto.
11774 * fortran/gfortranspec.c: Ditto.
11775 * regmove.c: Ditto.
11776 * local-alloc.c: Ditto.
11777 * langhooks.c: Ditto.
11778 * function.c: Ditto.
11779 * tree-vectorizer.c: Ditto.
11781 * ipa-type-escape.c: Ditto.
11783 * tree-if-conv.c: Ditto.
11784 * profile.c: Ditto.
11786 * tree-data-ref.c: Ditto.
11787 * loop-unroll.c: Ditto.
11788 * treelang/treetree.c: Ditto.
11790 * bt-load.c: Ditto.
11791 * ggc-common.c: Ditto.
11793 * coverage.c: Ditto.
11795 * tree-cfgcleanup.c: Ditto.
11796 * tree-ssa-pre.c: Ditto.
11797 * cfgcleanup.c: Ditto.
11798 * loop-invariant.c: Ditto.
11799 * loop-iv.c: Ditto.
11800 * ipa-prop.c: Ditto.
11801 * print-tree.c: Ditto.
11802 * conflict.c: Ditto.
11803 * ggc-page.c: Ditto.
11804 * sched-deps.c: Ditto.
11805 * regclass.c: Ditto.
11806 * tree-object-size.c: Ditto.
11807 * combine.c: Ditto.
11808 * bb-reorder.c: Ditto.
11809 * resource.c: Ditto.
11810 * var-tracking.c: Ditto.
11811 * cfgloop.c: Ditto.
11812 * df-problems.c: Ditto.
11813 * reg-stack.c: Ditto.
11815 * gccspec.c: Ditto.
11816 * sched-rgn.c: Ditto.
11817 * tree-ssa-structalias.c: Ditto.
11818 * tree-ssa-reassoc.c: Ditto.
11819 * config/darwin-c.c: Ditto.
11820 * config/darwin.c: Ditto.
11821 * config/arm/arm.c: Ditto.
11823 * collect2.c: Ditto.
11824 * reload1.c: Ditto.
11826 2006-01-31 Nicolas Pitre <nico@cam.org>
11828 * arm.md (smaxsi3): Make aware of smax_m1.
11831 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
11833 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
11835 2006-01-31 Richard Guenther <rguenther@suse.de>
11837 * doc/invoke.texi (-msselibm): Document.
11838 * target.h (expand_library_builtin): New target hook.
11839 * builtins.c (expand_builtin): Use expand_library_builtin.
11840 (default_expand_library_builtin): New function.
11841 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11842 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11843 (link_gcc_math_spec): Declare.
11844 (static_specs): Add link_gcc_math_spec.
11845 * expr.h (default_expand_library_builtin): Declare.
11846 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11847 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11848 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11849 * config/i386/i386.opt (msselibm): New target option.
11850 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11851 (ix86_init_sse_abi_builtins): New function.
11852 (ix86_expand_library_builtin): Likewise.
11853 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11854 (override_options): Handle error conditions wrt -msselibm.
11855 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11856 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11857 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11860 2006-01-31 Richard Guenther <rguenther@suse.de>
11861 Paolo Bonzini <bonzini@gnu.org>
11863 * doc/install.texi (--disable-libgcc-math): Document.
11865 2006-01-30 Marcin Dalecki <martin@dalecki.de>
11867 * expr.h (expand_normal): new inline function.
11868 * builtins.c: use it, use EXPAND_NORMAL explicitely.
11869 * dojump.c: use it.
11870 * dwarf2out.c: use it.
11873 * expmed.c: use it.
11874 * except.c: use it.
11875 * config/sparc/sparc.c: use it.
11876 * config/i386/i386.c: use it.
11877 * config/rs6000/rs6000.c: use it.
11878 * config/arm/arm.c: use it.
11879 * config/mips/mips.c: use it.
11880 * stmt.c: use it, use EXPAND_NORMAL explicitely.
11882 2006-01-30 Roger Sayle <roger@eyesopen.com>
11884 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
11885 argv to the appropriate type.
11887 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
11889 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
11892 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
11895 * config/s390/s390.c (struct machine_function): New flag
11896 decomposed_literal_pool_addresses_ok_p.
11897 (s390_reorg): Set it before final stage of literal pool transforms.
11898 (s390_decompose_address): Only accept displacements of the form
11899 (minus (label_ref ...) (label_ref ...)) if that flag is set.
11901 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
11903 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
11904 the comparison routine return.
11906 2006-01-30 Michael Matz <matz@suse.de>
11908 * global.c (find_reg): Only evict for global regs.
11909 Take n_refs into account and dump more info.
11911 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
11914 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
11915 (pragma_trap, pragma_nosave_low_regs): Likewise.
11916 (current_function_anonymous_args): Likewise.
11917 (sh_deferred_function_attributes): New variable.
11918 (sh_deferred_function_attributes_tail): Likewise.
11919 (print_operand): For '@', look up trap_exit attribute.
11920 (calc_live_regs): Look up trapa_handler attribute. For trapa
11921 handlers, save/restore fpscr, but don't do any other
11922 interrupt-specific saves.
11923 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
11924 Fix check for partially saved registers to check for SHmedia.
11925 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
11926 (sh_output_function_epilogue): Don't clear any of the removed
11928 (sh_insert_attributes): Don't check pragma_interrupt.
11929 Insert deferred attributes. Check that interrupt attribute is
11930 present for other attributes that require its presence.
11931 (sh_attribute_table): Add new attributes trapa_handler and
11933 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
11934 Don't check for pragma_interrupt. Don't store argument.
11935 * sh.h (pragma_interrupt, sp_switch): Don't declare.
11936 (sh_deferred_function_attributes): Declare.
11937 (sh_deferred_function_attributes_tail): Likewise.
11938 * sh.md (sp_switch_1): Add operand. Change generator caller.
11939 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
11940 (*return_i): Don't use when trap_exit attribute is in effect.
11941 (*return_trapa): New insn pattern.
11942 * sh-c.c: New file.
11943 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
11944 setting c_target_objs and cxx_target_objs.
11945 * t-sh: Add rule for sh-c.o.
11947 2006-01-30 Richard Guenther <rguenther@suse.de>
11950 * gimplify.c (gimplify_target_expr): Handle easy cases
11951 without creating a temporary.
11953 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
11955 * vec.h (safe_grow): Remove duplicated line.
11957 2006-01-29 Diego Novillo <dnovillo@redhat.com>
11960 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
11961 (expand_omp): ... here.
11962 (expand_omp_parallel): Only remove barriers for combined
11963 parallel+workshare constructs.
11965 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
11969 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
11970 * tree.c (build_qualified_type): Chain the new type to the original
11971 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
11972 a POINTER_TYPE or a REFERENCE_TYPE respectively.
11973 (build_pointer_type_for_mode): Only return unqualified types.
11974 (build_reference_type_for_mode): Likewise.
11976 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
11978 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
11979 * Makefile.in (CXX_COMPAT_WARN): Define.
11980 * configure: Regenerate.
11982 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
11985 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
11988 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11990 * toplev.c: Fix thinko.
11992 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11993 Marcin Dalecki <martin@dalecki.de>
11995 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
11996 (push_srcloc): Use XNEW.
11997 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
11999 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
12001 * df-core.c (df_set_blocks): Deleted all variable.
12003 2006-01-28 Ian Lance Taylor <ian@airs.com>
12005 * cgraphunit.c (cgraph_assemble_pending_functions): Call
12006 cgraph_output_pending_asms.
12008 2006-01-28 Zack Weinberg <zackw@panix.com>
12010 * c.opt: Add -W(no-)overlength-strings.
12011 * doc/invoke.texi: Document it.
12012 * c-opts.c (c_common_handle_option): -pedantic implies
12013 -Woverlength-strings, if not explicitly disabled already.
12014 (c_common_post_options): -Woverlength-strings defaults to off, and
12015 is always off for C++.
12016 * c-common.c (fix_string_type): Issue warning about strings longer
12017 than is portable only if warn_overlength_strings. Rearrange code
12018 a little for clarity.
12019 * configure.in: Check for -Wno-overlength-strings as well before
12020 enabling -pedantic in stage 1.
12021 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
12022 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
12024 * genconditions.c (write_header, write_one_condition)
12025 (write_conditions, write_writer): Consolidate very long strings
12026 that were broken up to fit in C89 portable limit. Don't use
12027 printf when fputs will do.
12029 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
12031 * combine.c (simplify_comparison <AND>): Check
12032 TRULY_NOOP_TRUNCATION before start using a subreg.
12034 * config/mips/mips.md (*branch_zero<mode>,
12035 *branch_zero<mode>_inverted, *branch_equality<mode>,
12036 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
12037 Remove mode check from comparisons.
12039 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
12041 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
12043 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12045 * expmed.c (const_mult_add_overflow_p): Remove.
12046 * expr.h: Remove the prototype for const_mult_add_overflow_p.
12048 * recog.c (validate_replace_rtx_subexp): Remove.
12049 * recog.h: Remove the prototype for
12050 validate_replace_rtx_subexp.
12052 * integrate.h: Remove the prototype for
12053 copy_decl_for_inlining.
12054 * rtl.h: Remove the prototype for mark_constant_function.
12055 * tree-vectorizer.h: Remove the prototype for
12056 vect_strip_conversion.
12058 * modulo-sched.c (create_partial_schedule,
12059 free_partial_schedule, reset_partial_schedule): Make them
12062 * hooks.c (hook_bool_rtx_int_false): Remove.
12063 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
12065 2006-01-28 David Edelsohn <edelsohn@gnu.org>
12067 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12068 and -mlong-double-128 are incompatible.
12069 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
12070 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
12071 (TARGET_LIBGCC2_CFLAGS): Define.
12072 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
12073 (TARGET_LIBGCC2_CFLAGS): Same.
12074 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
12076 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12079 * c-typeck.c (build_binary_op): Perform implicit casts of
12080 operands before shortening them.
12082 * cfgloopmanip.c (split_loop_bb): Remove.
12083 * cfgloop.h: Remove the prototype for split_loop_bb.
12085 * cfgloop.c (flow_loop_outside_edge_p): Remove.
12086 * cfgloop.h: Remove the prototype for
12087 flow_loop_outside_edge_p.
12089 * emit-rtl.c (init_virtual_regs): Make it static.
12090 * function.h: Remove the prototype for init_virtual_regs.
12092 * recog.c (peephole2_optimize): Make it static.
12093 * recog.h: Remove the prototype for peephole2_optimize.
12095 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12097 * df-scan.c (df_record_entry_block_defs): Check if
12098 INCOMING_RETURN_ADDR_RTX is defined.
12100 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
12101 Kenneth Zadeck <zadeck@naturalbridge.com>
12103 PR rtl-optimization/24762
12104 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12105 * targhooks.c (hook_void_bitmap): New hook prototype.
12106 * targhoohs.h (hook_void_bitmap): Ditto.
12107 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
12108 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
12109 * target.h (live_on_entry): New function pointer.
12110 * df-scan.c (df_all_hard_regs): Removed.
12111 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
12112 (df_scan_free_internal): Added df->entry_block_defs.
12113 (df_scan_alloc): Ditto.
12114 (df_scan_dump): Ditto.
12115 (df_uses_record): Plumbed flag field properly thru calls.
12116 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
12117 This part fixes PR24762.
12118 (df_bb_refs_record): Added code to make the frame and arg
12119 pointers live in EH blocks.
12120 (df_refs_record): Added call to df_record_entry_block_defs.
12121 (df_record_entry_block_defs): New function.
12122 * df-core.c: Added comments to describe new artifical defs.
12123 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
12124 (entry_block_defs): New field in struct df.
12125 (df_all_hard_regs): Deleted.
12126 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12127 * df-problems.c (df_ru_bb_local_compute_process_def):
12128 Added code to handle artifical defs in the entry to a function.
12129 (df_ru_bb_local_compute): Ditto.
12130 (df_rd_bb_local_compute_process_def): Ditto.
12131 (df_rd_bb_local_compute): Ditto.
12132 (df_lr_bb_local_compute): Ditto.
12133 (df_ur_bb_local_compute): Ditto.
12134 (df_urec_bb_local_compute): Ditto.
12135 (df_chain_create_bb): Ditto.
12136 (df_ur_local_finalize): Removed entry.
12137 (df_urec_init): Ditto.
12138 (df_urec_local_finalize): Ditto.
12139 (df_ri_bb_compute): Added detection of last use of pseudos.
12140 * Makefile.in (df-scan.o): Updated dependencies.
12141 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
12142 * config/mips/mips.c (mips_set_live_on_entry): Added.
12143 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
12145 * dce.c (marked_insn_p): Added code to handle artifical defs.
12147 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12149 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
12151 (_mm_cvtsi128_si64): Likewise.
12152 (_mm_cvtsd_si64): Likewise.
12153 (_mm_cvttsd_si64): Likewise.
12154 (_mm_cvtsi64_sd): Likewise.
12155 (_mm_cvtsi64_si128): Likewise.
12156 * config/i386/mmintrin.h (_m_from_int64): Likewise.
12157 (_mm_cvtsi64_m64): Likewise.
12158 (_m_to_int64): Likewise.
12159 (_mm_cvtm64_si64): Likewise.
12160 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
12161 (_mm_cvttss_si64): Likewise.
12162 (_mm_cvtsi64_ss): Likewise.
12163 (_mm_cvtss_f32): Likewise.
12165 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
12167 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
12168 for pragma redefine_extname.
12170 2006-01-27 Jakub Jelinek <jakub@redhat.com>
12173 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
12174 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
12175 -mno-minimal-toc to previous content.
12176 (bispecs): Remove goal.
12177 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
12178 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
12179 compatibility aliases on powerpc-*-*gnu*.
12180 * config/rs6000/libgcc-ppc-glibc.ver: New file.
12181 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
12182 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
12183 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
12184 (ldblspecs): New goal.
12185 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
12186 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
12188 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
12189 L_sf_to_tf or L_df_to_tf is defined.
12191 2006-01-27 David Edelsohn <edelsohn@gnu.org>
12192 Alan Modra <amodra@bigpond.net.au>
12195 * config/rs6000/linux.h (POWERPC_LINUX): Define.
12196 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
12197 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
12198 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
12199 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
12200 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
12201 (rs6000_override_options): Initialize rs6000_ieeequad.
12202 Initialize TFmode format to ibm_extended_format if not
12204 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
12206 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
12207 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
12208 (function_arg_advance): IBM long double passed in two FPRs, not
12210 (function_arg): IBM long double passed in FPRs.
12211 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
12212 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
12213 Only multireg GPR aligned.
12214 (rs6000_init_libfuncs): Enable IBM long double functions if not
12216 (rs6000_generate_compare): Use IBM long double compare if not
12218 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
12219 (TARGET_IEEEQUAD): Define.
12220 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
12221 not TARGET_IEEEQUAD.
12222 * config/rs6000/rs6000.md: Enable TFmode patterns if
12224 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
12225 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12226 and -mlong-double-128 are incompatible.
12227 * doc/invoke.texi (-mabi): Collect options together. Add
12228 ibmlongdouble and ieeelongdouble.
12230 2006-01-27 Richard Sandiford <richard@codesourcery.com>
12232 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
12234 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
12235 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
12236 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
12237 * rtl.h (rtunion_def): Remove rt_ptr.
12239 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
12240 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
12241 * config/i386/winnt.c (i386_pe_mark_dllexport)
12242 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
12244 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
12246 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
12248 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12252 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
12253 pthread_key_delete. From John David Anglin. gthrw-ify
12254 pthread_getunique_np only if it it's not a macro. Delete
12256 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
12257 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
12258 __gthread_objc_condition_signal, __gthread_key_delete): Add
12259 "__attribute__ ((__unused__))" to unused arguments.
12260 (__gthread_recursive_mutex_init_function): Add missing return.
12261 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
12262 gthr-posix95.h: Use macro-based approach for name redirection
12263 on targets missing weakref.
12265 2006-01-26 Zack Weinberg <zackw@panix.com>
12267 * genconditions.c (write_header): In generated code, #ifdef out
12268 all includes and fake declarations, except includes of bconfig.h
12269 and system.h, unless GCC_VERSION >= 3001. Do not include
12270 gensupport.h in any case.
12271 (write_conditions): Generate a definition of struct c_test. Add
12272 a comment to the generated #endif.
12273 (write_one_condition): Escape backslashes in string too.
12274 (write_writer): Generated code must escape backslashes and quote
12275 marks (but not newlines) in the strings it writes.
12276 * Makefile.in (build/gencondmd.o): Update dependencies.
12278 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12281 * Makefile.in (insn-automata.o): Add header file dependencies.
12282 * genautomata.c: Add includes.
12284 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12287 * Makefile.in (insn-automata.o): Add -Wno-error flag.
12289 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12291 * configure.ac: Expect target tools paths to be passed from the toplevel
12292 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
12294 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
12296 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12299 * c.opt (Wpointer-sign): Init to -1.
12300 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
12301 OPT_pedantic, to 0 otherwise.
12302 * doc/invoke.texi: Update.
12304 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12306 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
12307 constants provided by 80387 instructions in the destination mode.
12309 2006-01-26 Richard Guenther <rguenther@suse.de>
12310 Andrew Pinski <pinskia@physics.uc.edu>
12313 partial PR tree-opt/17064
12314 * tree-ssa-structalias.c (intra_create_variable_infos):
12315 Create heap variables for incoming parameters if
12316 flag_argument_noalias > 1.
12317 (find_what_p_points_to): Look through default defs of
12320 2006-01-26 Jeff Law <law@redhat.com>
12323 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
12324 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
12325 within the VR_RANGE, use the VR_RANGE as the result, not the
12327 (adjust_range_with_scev): Reject ranges from SCEV which are out of
12328 bounds for the type.
12330 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
12332 * tree-ssa-alias.c (maybe_create_global_var): Change
12333 subvar walking to an assertion that we don't have subvar'd variables.
12335 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
12338 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
12339 Use a new variable, inner. PARM_DECLs are always non-weak.
12341 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
12343 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
12344 --disable-checking.
12346 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
12348 * config/mips/mips.md (*clear_upper32): New combiner pattern.
12350 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
12352 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
12353 (smax_insn, smin_insn, smax_0, smin_0): New.
12355 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
12358 * config/cris/cris.c (cris_order_for_addsi3): New function.
12359 * config/cris/cris-protos.h: Prototype it.
12360 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
12361 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
12362 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
12363 (split for "op.S1 [rx=rx+i],ry (swapped)")
12364 (split for "op(s|u).S1 [rx=rx+i],ry")
12365 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
12366 Apply cris_order_for_addsi3 when generating addsi3 insns.
12368 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12370 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
12371 (TREE_BLOCK): Add call to EXPR_CHECK.
12373 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12376 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
12377 * tree-pretty-print.c (dump_omp_clause): Extract from ...
12378 (dump_omp_clauses): ... here.
12379 (dump_generic_node): Handle OMP_CLAUSE.
12380 * tree.c (omp_clause_num_ops): New.
12381 (omp_clause_code_name): New.
12382 (tree_code_size): Handle OMP_CLAUSE.
12383 (tree_size): Likewise.
12384 (make_node): Document handling of OMP_CLAUSE.
12385 (tree_node_structure): Handle OMP_CLAUSE.
12386 (omp_clause_check_failed): New.
12387 (omp_clause_range_check_failed): New.
12388 (omp_clause_operand_check_failed): New.
12389 (build_omp_clause): New.
12390 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
12391 * tree.h (enum omp_clause_code): Declare.
12392 (OMP_CLAUSE_SUBCODE_CHECK): Define.
12393 (OMP_CLAUSE_RANGE_CHECK): Define.
12394 (OMP_CLAUSE_ELT_CHECK): Define.
12395 (omp_clause_check_failed): Declare.
12396 (omp_clause_operand_check_failed): Declare.
12397 (omp_clause_range_check_failed): Declare.
12398 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
12399 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
12400 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
12401 (OMP_CLAUSE_LASTPRIVATE): Likewise.
12402 (OMP_CLAUSE_IF_EXPR): Likewise.
12403 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
12404 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
12405 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
12406 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
12407 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
12408 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
12409 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
12410 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
12411 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
12412 (OMP_CLAUSE_CODE): Define.
12413 (OMP_CLAUSE_SET_CODE): Define.
12414 (OMP_CLAUSE_CODE): Define.
12415 (OMP_CLAUSE_OPERAND): Define.
12416 (struct tree_omp_clause): Declare.
12417 (union tree_node): Add field 'omp_clause'.
12418 * treestruct.def (TS_OMP_CLAUSE): Define.
12419 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
12420 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
12421 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
12422 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
12423 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
12424 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
12425 (OMP_CLAUSE): Define.
12426 * print-tree.c (print_node): Handle OMP_CLAUSE.
12427 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
12428 * c-typeck.c: Likewise.
12429 * gimplify.c: Likewise.
12430 * c-omp.c: Likewise.
12431 * tree-nested.c: Likewise.
12432 * tree-inline.c: Likewise.
12433 * c-parser.c: Likewise.
12434 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
12437 2006-01-25 Roger Sayle <roger@eyesopen.com>
12439 PR rtl-optimization/25703
12440 * combine.c (try_combine): Handle zero_extract and strict_low_part
12441 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
12443 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
12445 * global.c: Fix comment typos.
12447 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
12450 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
12451 Use output_addr_const instead of assemble_name.
12453 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
12455 * Makefile.in (sched-vis.o): Update dependencies.
12456 * haifa-sched.c (sched_finish): Clear current_sched_info.
12457 * cfg.c (dump_bb_info): New, split from dump_flow_info.
12458 (dump_flow_info): Call it.
12459 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
12461 * basic-block.h (dump_bb_info): Declare.
12462 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
12463 option, and apply options only for dump files whose TDF_RTL,
12464 TDF_TREE, or TDF_IPA bits match.
12465 * rtl.h: Declare new functions exported from sched-vis.c.
12466 * sched-vis.c: Enable also if scheduling is not used.
12467 (print_value): Print the mode of registers if not inside scheduling.
12468 (print_insn): Make it work outside the scheduler. Beautify the output
12470 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
12472 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12474 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
12475 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
12476 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
12477 depending on the value of CONSTANT_POOL_ADDRESS_P.
12478 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
12480 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
12481 rather than SYMBOL_REF_DECL.
12482 (rtx_constant_pool): Remove const_rtx_sym_htab.
12483 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
12484 (init_varasm_status): Don't initialize const_rtx_sym_htab.
12485 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
12486 Remove handling of const_rtx_sym_htab.
12487 (find_pool_constant): Delete.
12488 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
12489 rather than find_pool_constant.
12490 (get_pool_constant_for_function): Delete.
12491 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
12492 find_pool_constant.
12493 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
12494 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
12495 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
12496 (SYMBOL_REF_CONSTANT): New macro.
12497 (get_pool_constant_for_function): Delete.
12498 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
12499 rather than SYMBOL_REF_DECL.
12500 (i386_pe_mark_dllimport): Likewise.
12501 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
12502 rather than SYMBOL_REF_DECL.
12503 * config/darwin.c (machopic_indirect_data_reference): Likewise.
12504 (machopic_indirect_call_target): Likewise.
12506 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
12508 * flow.c (delete_noop_moves): Add missing EOL to dump message.
12510 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12512 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
12514 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
12516 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
12518 2006-01-24 David Daney <ddaney@avtrex.com>
12521 * configure.ac (enable_tls): New enable option.
12522 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
12523 * configure: Regenerate.
12524 * doc/install.texi (--enable-tls): Document new option.
12525 (--disable-tls): Ditto.
12527 2006-01-24 Richard Henderson <rth@redehat.com>
12529 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
12530 * alias.c (true_dependence): Respect it.
12531 (canon_true_dependence, write_dependence_p): Likewise.
12532 * builtins.c (get_builtin_sync_mem): Set it.
12534 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
12536 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
12539 2006-01-24 DJ Delorie <dj@redhat.com>
12541 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
12542 for storing constants in single-bit bitfields.
12544 2006-01-25 Ben Elliston <bje@au.ibm.com>
12546 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
12548 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
12551 * tree-ssa-pre.c (phi_translate): Return NULL
12552 for AGGREGATE_TYPE's.
12554 2006-01-24 Zack Weinberg <zackw@panix.com>
12556 * genautomata.c (process_state_for_insn_equiv_partition):
12557 Use xcalloc for insn_arcs_array.
12558 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
12559 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
12561 2006-01-24 Richard Henderson <rth@redhat.com>
12563 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
12564 update all callers.
12566 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
12568 PR rtl-optimization/25890
12569 PR rtl-optimization/25905
12570 * combine.c (expand_compound_operation, expand_field_assignment):
12571 Fail if the bitfield's final position is out of bounds.
12573 2006-01-24 Ian Lance Taylor <ian@airs.com>
12575 PR middle-end/25930
12576 * cgraphunit.c (cgraph_output_in_order): Don't clear
12577 cgraph_asm_nodes until after asm strings have been output.
12579 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
12581 * fix-header.c (read_scan_file): Add new parameter imultilib when
12582 calling register_include_chains.
12584 2006-01-23 Diego Novillo <dnovillo@redhat.com>
12586 * omp-low.c: Update documentation.
12588 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12589 Daniel Berlin <dberlin@dberlin.org>
12593 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
12594 return from the function.
12596 2006-01-22 Zack Weinberg <zackw@panix.com>
12598 * rtl.def (match_code): Add second argument.
12599 * genpreds.c (write_extract_subexp): New function.
12600 (write_match_code): Add path argument. Use write_extract_subexp.
12601 (write_predicate_expr): Pass path to write_match_code.
12602 (mark_mode_tests): MATCH_CODE applied to a subexpression does
12603 not perform a mode test.
12604 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
12605 a subexpression does not constrain the top-level code set.
12606 * read-rtl.c (read_rtx_variadic): New function.
12607 (read_rtx_1): Use it; allow AND and IOR to be variadic.
12608 * doc/md.texi: Document new notation.
12609 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
12610 (cmpsi_operand): ... here, using new notation.
12612 2006-01-22 Zack Weinberg <zackw@panix.com>
12614 * varray.c: Remove GENERATOR_FILE #ifdefs.
12616 2006-01-22 Zack Weinberg <zackw@panix.com>
12618 * genautomata.c (output_reserved_units_table): Emit nothing if
12619 description->query_units_num is zero. Remove extra blank line.
12620 (output_cpu_unit_reservation_p): Short circuit
12621 if description->query_units_num is zero.
12623 2006-01-22 Zack Weinberg <zackw@panix.com>
12625 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
12626 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
12627 nor any of the random handful of variables that used to be necessary
12628 when this program was linked with rtlanal.o. Prune set of forward
12629 function declarations.
12630 (struct attr_desc): Remove static_p field.
12631 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
12632 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
12633 (attr_string): Do not read the character one past the length of
12635 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
12636 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
12637 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
12638 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
12639 (make_automaton_attrs): New.
12640 (main): Do not call into genautomata. Call local gen_bypass
12641 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
12642 Remove special case for insn_alts.
12643 * genautomata.c: Include gensupport.h; not genattrtab.h nor
12644 varray.h (leftover from previous change). Prune set of forward
12645 function declarations. Remove state_alts fields from all
12646 structures. Remove state_alts_table from struct automaton.
12647 Make everything except main static. Do not maintain num_dfa_decls.
12648 Do not maintain state_alts fields of various structures.
12649 (process_decls): Don't validate condexp for dm_insn_reserv decls.
12650 (add_arc): Remove state_alts argument. All callers updated.
12651 (output_reserved_units_table): Emit #ifdef here...
12652 (output_tables): ...not here. Don't generate state_alts tables.
12653 (expand_automata): Don't generate attributes.
12654 (write_automata): Don't generate state_alts functions.
12655 (main): New function.
12656 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
12657 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
12658 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
12659 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
12660 (BYPASS_P_FUNC_NAME, output_state_alts_table)
12661 (output_automata_list_state_alts_code, output_internal_state_alts_func)
12662 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
12663 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
12665 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
12666 * genattrtab.h: Delete file.
12667 * Makefile.in (OBJS-common): Add insn-automata.o.
12668 (insn-automata.o): New rule.
12669 (simple_generated_c): Add insn-automata.c.
12670 (build/genattrtab.o, build/genautomata.o): Update dependencies.
12671 (genprogmd): Add automata.
12672 (build/genattrtab): Needs no extra objects nor libraries.
12673 (build/genautomata): Needs build/vec.o and -lm.
12675 2006-01-22 Zack Weinberg <zackw@panix.com>
12677 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
12678 (output_dfa_max_issue_rate, locked_states_num): Delete.
12679 (struct automaton): Add locked_states field.
12680 (output_dead_lock_vect): Save number of locked states in
12681 automaton->locked_states. If it is zero, don't print anything.
12682 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
12683 (output_internal_dead_lock_func): Only test the dead_lock_vect
12684 for automata that have locked states.
12685 (output_statistics): Always print the number of locked states for
12686 each automaton. Calculate total number of locked states here.
12687 (write_automata): Don't call output_dfa_max_issue_rate.
12688 * genattrtab.c: Define length_unit_log as a const variable.
12689 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
12690 max_insn_queue_index const.
12691 * final.c (length_unit_log): Declare const.
12692 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
12694 2006-01-22 Zack Weinberg <zackw@panix.com>
12696 * genautomata.c: Include vec.h, not varray.h.
12697 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
12698 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
12699 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
12700 VEC_* macros operating on appropriately typed vectors, or to
12701 malloced arrays when the size is known in advance. Const-ify
12702 many char* variables and function arguments. No functional changes.
12703 * Makefile.in (build/varray.o): Delete rule.
12704 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
12705 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
12707 2006-01-22 Zack Weinberg <zackw@panix.com>
12709 * gensupport.c: Define get_insn_name and record_insn_name here.
12710 (read_md_rtx): Call record_insn_name as appropriate.
12711 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
12712 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
12713 * genpreds.c, genrecog.c: Don't define get_insn_name nor
12715 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
12716 (BUILD_VARRAY): Delete.
12717 (genprognormal): Rename genprogmd. Fold in all programs from
12718 genprognoprint; also attrtab.
12719 (build/genattrtab): Just mention genautomata.o and varray.o.
12720 Reorganize a bit, add comments to make the categories clearer.
12722 2006-01-22 Zack Weinberg <zackw@panix.com>
12724 * genconditions.c (condition_table, add_condition): Delete.
12725 (write_conditions): Don't emit n_insn_conditions nor
12726 insn_elision_unavailable. Issue the gcc version #ifdef here,
12727 inside the table, with no #else clause ...
12728 (write_header): ...not here.
12729 (write_writer): New function.
12730 (main): Don't initialize condition_table. Use add_c_test.
12732 * gensupport.c (init_md_reader_args_cb): Handle multiple input
12733 files on the command line.
12734 (maybe_eval_c_test): Don't check insn_elision_unavailable.
12735 Return -1 if there is no entry in the table, don't abort.
12736 (add_c_test, traverse_c_tests): New functions.
12737 * gensupport.h (insn_elision_unavailable, insn_conditions)
12738 (n_insn_conditions): Delete declarations.
12739 (add_c_test, traverse_c_tests): Declare.
12740 * read-rtl.c: Include gensupport.h.
12741 (read_conditions): New function.
12742 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
12743 (read_rtx_1): If we get EOF when we were looking for an initial
12744 open paren, return 0. Call read_conditions when appropriate.
12745 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
12746 dummy-conditions.o. Eliminate references to insn-conditions.o,
12747 or change them to build/gencondmd.o, as appropriate. Remove
12748 insn-constants.h from $(simple_generated_h) and insn-conditions.c
12749 from $(simple_generated_c). For all files remaining in those
12750 two lists, add insn-conditions.md to the generator command line.
12751 Give insn-constants.h/s-constants their own rules. Add rules
12752 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
12753 (build/read-rtl.o): Depend on gensupport.h.
12754 (genprognormal): Include preds.
12755 (genprogearly): Rename genprognoprint; only difference is now that
12756 they don't link with $(BUILD_PRINT).
12757 * dummy-conditions.c: Delete.
12759 2006-01-22 Zack Weinberg <zackw@panix.com>
12761 * genextract.c: Don't include insn-config.h. Do include vec.h.
12762 Declare vectors of int, char, and locstr.
12763 (locstr): New typedef.
12764 (struct extraction): Make all array fields into bare pointers.
12765 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
12766 (insn_code_number): Delete.
12767 (accum_extract): New struct.
12768 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
12769 (gen_insn): Take insn_code_number as an argument. Use an
12770 accum_extract structure instead of loading data directly into
12771 a struct extraction, and having to know how big it might get.
12772 (walk_rtx): Operate entirely on an accum_extract structure.
12773 (print_path): Avoid unnecessary use of printf.
12774 (print_header): New function, split out of main. Distinguish
12775 more carefully between an unrecognizable insn and an insn that
12776 has the code number of a define_expand.
12777 (main): Pass insn_code_number to gen_insn. Call print_header
12778 only after parsing. Avoid unnecessary use of printf.
12779 * Makefile.in (build/vec.o): New rule.
12780 (build/genextract): Depend on build/vec.o.
12781 (build/genextract.o): Don't depend on insn-config.h.
12783 2006-01-22 Zack Weinberg <zackw@panix.com>
12785 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
12786 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
12787 practical. Eliminate per-generator-program link rules.
12789 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12791 PR middle-end/24437
12792 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12793 with a call expr to ...
12794 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12796 2006-01-23 Richard Guenther <rguenther@suse.de>
12798 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
12799 before make_edge with conditional EDGE_TRUE_VALUE.
12801 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
12802 Jan Hubicka <jh@suse.cz>
12803 Richard Guenther <rguenther@suse.de>
12805 PR rtl-optimization/25654
12806 * cfgexpand.c (aggregate_contains_union_type): New function.
12807 (add_alias_set_conflicts): Call it. Make sure to add conflicts
12808 for structure variables that contain a union type.
12810 2006-01-23 Richard Sandiford <richard@codesourcery.com>
12812 * gengtype.c (new_structure): Return the structure.
12813 (create_option): Add an extra "next" argument.
12814 (create_field): New function.
12815 (adjust_field_rtx_def): Use create_option and create_field.
12816 Remove a now-unnecessary call to find_structure.
12817 (adjust_field_tree_def): Likewise.
12818 (note_yacc_type): Remove an unnecessary call to find_structure.
12819 * gengtype.h (new_structure): Return the structure.
12820 (create_option): Add an extra argument.
12821 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
12822 (option): Adjust calls to create_option.
12824 2006-01-22 David Edelsohn <edelsohn@gnu.org>
12826 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
12828 2006-01-22 Paul Brook <paul@codesourcery.com>
12829 Peter Barada <peter@the-baradas.com>
12831 * config/m68k/m68k.md: Add Coldfire FPU support.
12832 Define FP mode macro and associated attributes.
12833 Use it for float mode patterns.
12834 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
12835 (LIBCALL_VALUE): Use m68k_libcall_value.
12836 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
12837 (m68k_function_value): Ditto.
12838 (emit_move_sequence): Ditto.
12839 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
12840 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
12841 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
12842 (MULTILIB_EXCEPTIONS): Ditto.
12843 * config/m68k/m68k.opt: Add mcfv4e.
12844 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
12845 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
12846 (m68k_output_function_prologue): Save ColdFire FPU registers.
12847 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
12848 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
12849 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
12850 ColdFire FPU registers.
12851 (m68k_libcall_value, m68k_function_value): New functions.
12852 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
12853 (LIBCALL_VALUE): Use m68k_libcall_value.
12854 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
12855 (MASK_COLDFIRE): Add MASK_CFV4E.
12856 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
12857 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
12858 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
12859 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
12860 (GO_IF_LEGITIMATE_ADDRESS): Use it.
12861 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
12862 * doc/invoke.tex: Document -mcfv4e on m68k.
12864 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
12866 * doc/contribute.texi: Change CVS to SVN and update the corresponding
12869 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
12872 * c-opts.c (c_common_handle_option): Don't include
12873 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
12874 * doc/invoke.texi (C++ Dialect Options): Document that
12875 -Wnon-virtual-dtor is no longer included in -Wall.
12877 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
12879 * gcov.c (print_version), gcov-dump.c (print_version),
12880 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
12883 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
12885 * df-scan.c (problem_SCAN): Added NULL reset function.
12886 (df_scan_reset_blocks): Added code to call reset block function
12887 (df_bb_refs_delete) Fixed comment.
12888 (df_insn_refs_delete): Made tolerant of deleting non existent info
12889 for dataflow problems that need to be reset.
12890 * df-core.c (df_set_blocks): Ditto.
12891 * df.h (struct df_problem): Added reset_fun.
12892 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
12893 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
12894 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
12895 functions to clear out all references to def-use or use-def chains.
12897 2006-01-21 Ben Elliston <bje@au.ibm.com>
12899 * varasm.c (assemble_real): Initialise data array.
12901 2006-01-20 Paul Brook <paul@codesourcery.com>
12903 Merge from csl-arm-branch.
12904 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
12905 * config/arm/arm.md (movdi): Force operands[1] to a register
12906 if we have a non-register source.
12907 (*arm_movdi, *movdf_soft_insn): Require that one of the
12908 operands be a register.
12909 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
12910 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
12912 2006-01-20 DJ Delorie <dj@redhat.com>
12914 * varasm.c (initializer_constant_valid_p): Allow pointers
12915 initialized from integer constants of lesser precision.
12916 (output_constant): Allow non-int-sized pointer modes to be
12917 initialized from integer constants.
12919 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
12922 * cppdefault.h (struct default_include): Add multilib flag.
12923 * cppdefault.c (cpp_include_defaults): Set it.
12924 * c.opt (-imultilib): New option.
12925 * c-opts.c (imultilib): New.
12926 (c_common_handle_option): Handle -imultilib.
12927 (c_common_post_options): Likewise.
12928 * c-incpath.c (add_standard_paths, register_include_chains):
12930 * c-incpath.h (register_include_chains): Add extra parameter.
12931 * gcc.c (do_spec_1): Generate -imultilib option.
12932 (The Specs Language): Update %I description.
12933 (process_command): Update copyright notice.
12934 * doc/cppopts.texi (-imultilib): Document.
12935 * doc/invoke.texi (-imultilib): Include in option summary.
12936 (%I): Update specs documentation.
12938 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12940 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
12942 2006-01-20 Richard Sandiford <richard@codesourcery.com>
12944 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
12947 2006-01-20 Richard Guenther <rguenther@suse.de>
12948 Steven Bosscher <stevenb.gcc@gmail.com>
12950 PR rtl-optimization/24626
12951 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
12952 EDGE_TRUE_VALUE if in RTL mode.
12955 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
12956 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
12958 2006-01-20 Dirk Mueller <dmueller@suse.com>
12961 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
12962 instead of a special NOP marker.
12963 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
12964 NOP marker handling.
12965 * c-common.h (empty_body_warning): Add forward declaration.
12966 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
12967 Now uses IS_EMPTY_STMT() instead of special NOP markers.
12969 2006-01-20 Paul Brook <paul@codesourcery.com>
12971 * Makefile.in (lang_checks): Keep going if mkdir fails.
12973 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12975 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
12976 be able to clean out basic block when not necessary.
12977 (df_scan_free): Fixed to properly delete information if df is
12978 unused before calling df_finish.
12979 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
12980 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
12982 (df_bb_refs_delete): New function.
12983 (df_refs_delete): Moved per block code to df_bb_refs_delete.
12984 * df-core.c (df_set_blocks): Added code to properly clean out
12985 unused blocks if they are not part of the blocks to consider.
12986 Added additional null check.
12987 (df_compact_blocks): Added basic block parameter to free_bb_fun to
12988 be able to clean out basic block when not necessary
12989 * df.h (df_free_bb_function): Ditto.
12990 (df_bb_refs_delete): New function.
12991 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
12992 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
12993 basic block parameter to be able to clean out basic block when not
12995 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
12996 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
12997 Fixed to properly delete information if df is unused before
13000 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
13002 PR rtl-optimization/25799
13003 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
13004 Corrected confluence operator to remove bits from op2 before oring
13005 with op1 rather than removing bits from op1.
13006 (df_ru_transfer_function): Corrected test on wrong bitmap which
13007 caused infinite loop. Both of these problems were introduced in
13008 the dataflow rewrite.
13010 2006-01-19 DJ Delorie <dj@redhat.com>
13012 * reload1.c (find_reload_regs): Note the details of reload
13013 failures in the dump file.
13014 (spill_failure): Likewise.
13016 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
13018 * loop-iv.c: Include df.h and hashtab.h.
13019 (enum iv_grd_result): New enum.
13020 (DF_REF_IV, DF_REF_IV_SET): New macros.
13021 (struct biv_entry): New.
13022 (df, bivs): New global variables.
13023 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
13024 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
13026 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
13027 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
13028 analyzed_for_bivness_p, record_biv): New functions.
13029 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
13030 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
13031 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
13033 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
13035 (iv_number_of_iterations): Use new interface to iv analysis.
13036 * loop-unroll.c: Do not include varray.h.
13037 (analyze_iv_to_split_insn): Use new interface to iv
13039 * loop-unswitch.c (may_unswitch_on): Ditto.
13040 * df.c (df_bitmaps_free): Only work for bbs for that structures are
13042 (df_bb_modify): Realloc tables to the new index.
13043 (df_find_use): New function.
13044 * df.h (df_find_use): Declare.
13045 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
13047 * cfgloop.h (struct rtx_iv): Remove analysed field.
13048 (iv_get_reaching_def): Removed.
13049 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
13050 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
13051 (loop-iv.o): Add df.h and hashtab.h dependency.
13052 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
13054 2006-01-20 Alan Modra <amodra@bigpond.net.au>
13057 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
13059 (__floatundisf, __floatundidf): Likewise.
13060 * libgcc2.h (IS_IBM_EXTENDED): Define.
13062 2006-01-19 DJ Delorie <dj@redhat.com>
13064 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
13066 2006-01-19 Paul Brook <paul@codesourcery.com>
13068 * config/arm/arm.c (arm_compute_func_type): Treat all functions
13069 as nothrow when unwinding tables are disabled.
13071 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13074 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
13075 of bit-field" when in system header.
13077 2006-01-19 DJ Delorie <dj@redhat.com>
13079 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
13080 the 16 bit shift limit of the m16c.
13082 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
13085 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
13086 * config/i386/i386.c (output_set_got): Output the label if we have one
13087 for the TARGET_DEEP_BRANCH_PREDICTION case.
13089 2006-01-19 Jan Hubicka <jh@suse.cz>
13090 H.J. Lu <hongjiu.lu@intel.com>
13091 Evandro Menezes <evandro.menezes@amd.com>
13093 * invoke.texi (generic): Document
13095 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
13096 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
13097 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
13098 (x86_use_incdec, x86_pad_returns): New variables
13099 (TARGET_CPU_DEFAULT_generic): New constant
13100 (TARGET_CPU_DEFAULT_NAMES): Add generic.
13101 (enum processor_type): Add generic32 and generic64.
13102 * i386.md (cpu attribute): Add generic32/generic64
13103 (movhi splitter): Behave sanely when both partial_reg_dependency and
13104 partial_reg_stall are set.
13105 (K8 splitters): Enable for generic as well.
13106 * predicates.md (incdec_operand): Use TARGET_INCDEC
13107 (aligned_operand): Avoid memory mismatch stalls.
13108 * athlon.md: Enable for generic64, new patterns for 128bit moves.
13109 * ppro.md: Enable for generic32
13110 * i386.c (generic64_cost, generic32_cost): New.
13111 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
13112 (x86_use_leave): Enable for generic64. (x86_use_sahf,
13113 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
13114 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
13115 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
13116 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
13117 x86_partial_reg_dependency, x86_memory_mismatch_stall,
13118 x86_accumulate_outgoing_args, x86_prologue_using_move,
13119 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
13120 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
13121 Enable for generic.
13122 (x86_use_incdec, x86_pad_returns): New.
13123 (override_options): Add generic32 and generic64, translate "generic"
13124 to generic32/generic64 and "i686" to "generic32", refuse
13125 "generic32"/"generic64" as arch target.
13126 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
13127 (ix86_reorg): Honor PAD_RETURNS.
13129 2006-01-19 Diego Novillo <dnovillo@redhat.com>
13131 * tree-pretty-print.c (dump_generic_node): Handle
13132 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
13133 * cgraph.c (cgraph_expand_queue): Rename from
13134 cgraph_analyze_queue. Update all users.
13135 * cgraphunit.c (cgraph_assemble_pending_functions): Process
13136 cgraph_expand_queue.
13137 (cgraph_expand_all_functions): Likewise.
13138 (cgraph_finalize_pending_functions): Remove. Update callers.
13140 * tree.h (OMP_DIRECTIVE_P): Define.
13141 (OMP_PARALLEL_FN): Define.
13142 (OMP_PARALLEL_DATA_ARG): Define.
13143 (OMP_SECTIONS_SECTIONS): Define.
13144 * tree-pass.h (pass_expand_omp): Declare.
13145 * omp-low.c (struct omp_region): Declare.
13146 (struct omp_context): Remove fields 'parallel_type',
13147 'parallel_start_ix' and 'parallel_start_additional_args'.
13149 (struct omp_for_data): Rename from struct expand_omp_for_data.
13150 (omp_regions): New static variable.
13151 (root_omp_region): New static variable.
13152 (find_omp_clause): Make static.
13153 (is_in_combined_parallel_ctx): Remove.
13154 (is_combined_parallel): New.
13155 (extract_omp_for_data): Move earlier in the file.
13156 (workshare_safe_to_combine_p): New.
13157 (get_ws_args_for): New.
13158 (determine_parallel_type): Move earlier in the file.
13159 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
13161 (omp_copy_decl): Likewise.
13162 (create_omp_child_function): Likewise.
13163 (lookup_omp_region): New.
13164 (dump_omp_region): New.
13165 (debug_omp_region): New.
13166 (debug_all_omp_regions): New.
13167 (new_omp_region): New.
13168 (scan_omp_parallel): If parallel_nesting_level > 1, the
13169 directive is nested within another parallel directive.
13170 Set OMP_PARALLEL_FN.
13171 (scan_omp_for): Do not try to handle combined parallel+for
13173 Remove FIXME comment.
13174 (scan_omp_nested): Remove.
13175 (scan_omp_1): Do not call scan_omp_nested when
13176 parallel_nesting_level is > 1.
13177 Do not change the DECL_CONTEXT of local variables found.
13178 (lookup_decl_in_outer_ctx): New.
13179 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
13180 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
13181 (lower_reduction_clauses): Rename from expand_reduction_clauses.
13182 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
13183 If CTX is nested, lookup VAR in the outer context when
13184 building copy assignment.
13185 (lower_send_clauses): Rename from expand_send_clauses.
13186 If CTX is nested, lookup VAR in the outer context when
13187 building copy assignments.
13188 (lower_send_shared_vars): Rename from expand_send_shared_vars.
13189 If CTX is nested, lookup VAR in the outer context when
13190 building copy assignments.
13191 (expand_parallel_call): Rename from build_parallel_call.
13192 Handle combined parallel+workshare cases.
13193 Re-implement to emit code into the CFG.
13195 (expand_omp_parallel): Re-implement to emit code into the CFG.
13196 Call move_sese_region_to_fn to outline the sub-graph
13197 containing the parallel region.
13198 (expand_omp_for_1): Remove.
13199 (expand_omp_for_generic): Re-implement to emit code into the
13201 (expand_omp_for_static_nochunk): Likewise.
13202 (expand_omp_for_static_chunk): Likewise.
13203 (expand_omp_for): Likewise.
13204 (expand_omp_sections): Likewise.
13205 (remove_exit_barriers): New.
13206 (expand_omp_synch): New.
13208 (build_omp_regions_1): New.
13209 (build_omp_regions): New.
13210 (execute_expand_omp): New.
13211 (gate_expand_omp): New.
13212 (pass_expand_omp): Define.
13213 (lower_omp_sections): Rename from expand_omp_sections.
13214 Set OMP_SECTIONS_SECTIONS.
13215 (lower_omp_single_simple): Rename from expand_omp_single_simple.
13216 (lower_omp_single_copy): Rename from expand_omp_single_copy.
13217 (lower_omp_single): Rename from expand_omp_simple.
13218 (lower_omp_master): Rename from expand_omp_master.
13219 (lower_omp_ordered): Rename from expand_omp_ordered.
13220 (lower_omp_critical): Rename from expand_omp_critical.
13221 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
13222 (lower_omp_for): Re-implement.
13223 (lower_omp_parallel): Re-implement.
13224 (lower_regimplify): Rename from expand_regimplify.
13225 (lower_omp_1): Rename from expand_omp_1.
13226 If there are syntax errors in the program, replace every
13227 OpenMP directive with NOP.
13228 Call lower_omp_* instead of expand_omp_*.
13229 (lower_omp): Rename from expand_omp.
13231 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
13232 * tree-gimple.h (enum omp_parallel_type): Remove.
13233 (gimple_boolify): Declare extern.
13234 (find_omp_clause, determine_parallel_type): Remove.
13236 * gimple-low.c (lower_omp_directive): New.
13237 (lower_stmt): Call it.
13238 (record_vars_into): Move from ...
13239 (record_vars): ... here.
13240 Call record_vars_into with current_function_decl.
13242 * gimplify.c (struct gimplify_ctx): Remove fields
13243 combined_pre_p and combined_ctxp. Update users.
13244 (get_formal_tmp_var): Add documentation.
13245 (gimple_boolify): Make extern.
13246 (gimplify_expr_in_ctx): Remove. Update callers.
13247 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
13248 will always be a BIND_EXPR.
13249 (gimplify_expr): Handle OMP_RETURN_EXPR.
13250 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
13251 (OMP_PARALLEL): Add 3 operands.
13252 (OMP_SECTIONS): Add 1 operand.
13253 (OMP_RETURN_EXPR): Define.
13255 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
13256 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
13257 * tree-iterator.c (alloc_stmt_list): Assert that we are not
13258 creating a circular free list.
13259 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
13261 * tree-flow.h (move_sese_region_to_fn): Declare.
13262 (record_vars_into): Declare.
13263 * tree-cfg.c (make_omp_sections_edges): New.
13264 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
13265 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
13266 OMP_SECTIONS and OMP_SECTION.
13267 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
13268 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
13269 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
13270 (gather_blocks_in_sese_region): New.
13271 (struct move_stmt_d): Declare.
13272 (move_stmt_r): New.
13273 (move_block_to_fn): New.
13274 (move_sese_region_to_fn): New.
13276 * passes.c (init_optimization_passes): Schedule
13277 pass_expand_omp after pass_init_datastructures.
13279 * tree-ssa-operands.c (get_expr_operands): Handle
13280 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
13281 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
13283 2006-01-19 Jeff Law <law@redhat.com>
13285 * tree-vrp.c (extract_range_from_assert): Refine the result range
13286 if the variable referenced by the ASSERT_EXPR has a range and
13287 either the tentative result range or the previous range is a
13290 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13292 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
13294 2006-01-19 Jan Hubicka <jh@suse.cz>
13296 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
13298 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
13300 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
13301 (expand_compound_operation, expand_field_assignment): Fail if the
13302 bit lengths of an extract operation are out of range.
13303 (make_extraction): Compute wanted_inner_mode based on the position
13304 and length of the extraction. Make it extraction_mode for non-constant
13305 positions, and do not modify offset in that case. When generating a
13306 new MEM, use a mode that can hold the extraction while keeping correct
13307 alignment. Remove code that supported MEMs wrapped by USEs.
13308 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
13310 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
13312 * config/s390/s390.md ("Y", "y"): New mode attribute.
13313 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
13314 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
13315 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
13316 "*addsi3_imm_cc", "*addsi3_carry1_cc",
13317 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
13318 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
13319 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
13320 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
13321 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
13322 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
13323 "addsi3", "subsi3"): Insn patterns removed.
13324 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
13325 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
13326 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
13327 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
13328 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
13329 "*sub<mode>3_cconly2"): New insn patterns.
13330 ("addsi3", "subsi3"): New expanders.
13332 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
13334 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
13335 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
13336 existing STMT_VINFO_VECTYPE if available.
13337 (vect_mark_relevant): Add special handling for stmts that are
13338 marked as STMT_VINFO_IN_PATTERN_P.
13339 (vect_analyze_loop): Call vect_pattern_recog.
13340 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
13341 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
13343 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
13344 (vect_recog_func_ptr): New function-pointer type.
13345 * tree-vect-patterns.c: New file.
13346 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
13347 (vect_recog_dot_prod_pattern, vect_pattern_recog):
13348 (vect_pattern_recog_1): New functions.
13349 (vect_pattern_recog_funcs): New array of function pointers.
13351 * tree-vectorizer.h (ternary_op): New enum value.
13352 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
13353 declaration. Revised documentation. Removed redundant dump prints.
13354 Removed redundant argument. Added support for reduction patterns.
13355 (vectorizable_reduction): Added support for reduction patterns.
13356 (vect_transform_stmt): Added support for patterns.
13358 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
13359 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
13360 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
13361 (expand_widen_pattern_expr): New function.
13362 (init_optabs): Initialize new optabs udot_prod_optab,
13364 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
13365 (sdot_prod_optab, udot_prod_optab): Define new optabs.
13366 (expand_widen_pattern_expr): New function declaration.
13367 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
13369 * tree-inline.c (estimate_num_insns_1): Added cases for new
13370 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13371 * tree-pretty-print.c (dump_generic_node): Likewise.
13372 (op_prio): Likewise.
13373 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13374 * tree-ssa-operands.c (get_expr_operands): Added case for
13376 * tree-vect-patterns.c (widened_name_p): New function.
13377 (vect_recog_dot_prod_pattern): Added function implementation.
13378 * tree-vect-transform.c (get_initial_def_for_reduction): Added
13379 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
13380 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
13381 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
13383 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
13384 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
13385 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
13386 (init_optabs): Initialize new optabs widen_ssum_optab,
13388 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
13389 (widen_ssum_optab, widen_usum_optab): Define new optabs.
13390 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
13391 use instead of type of def.
13392 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
13393 function implementation.
13394 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
13395 widen_ssumv8hi): New.
13397 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
13400 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13403 * c-decl.c (add_flexible_array_elts_to_size): New function.
13404 (finish_decl): Use it.
13406 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
13408 * diagnostic.h: Include options.h.
13409 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
13410 dependancies for diagnostic.h.
13411 * Makefile.in (DIAGNOSTIC_H): Add options.h.
13413 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
13415 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
13416 (ssa_ro_call_cache_valid): Ditto.
13417 * tree-ssa-alias.c (sort_tags_by_id): New function.
13418 (init_transitive_clobber_worklist): Ditto.
13419 (add_to_worklist): Ditto.
13420 (mark_aliases_call_clobbered): Ditto.
13421 (compute_tag_properties): Ditto.
13422 (set_initial_properties): Ditto.
13423 (compute_call_clobbered): Ditto.
13424 (compute_may_aliases): Call compute_call_clobbered and grouping.
13425 (compute_flow_sensitive_aliasing): Remove clobbering related code.
13426 (compute_flow_insensitive_aliasing): Grouping now happens in our
13428 (setup_pointers_and_addressables): Remove clobbering related code.
13429 (add_may_alias): Ditto.
13430 (replace_may_alias): Ditto.
13431 (get_nmt_for): Ditto.
13432 (create_global_var):
13433 (is_escape_site): Return an escape_type enumeration.
13434 * tree-flow-inline.h (is_call_clobbered): Global var does not
13435 imply call clobbered.
13436 (mark_call_clobbered): Take a reason for marking this. Remove
13437 marking of globalness, and cache invalidation.
13438 (clear_call_clobbered): Remove cache invalidation code.
13439 * tree-dfa.c (dump_variable): If details is on, dump the reason
13441 * tree-outof-ssa.c (create_temp): Copy escape mask from original
13443 * tree-flow.h (struct ptr_info_def): Add escape mask member.
13444 (struct var_ann_d): Ditto.
13445 (enum escape_type): New.
13446 (mark_call_clobbered): Adjust prototype.
13447 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
13448 are never call clobbered.
13449 Record reasons for escaping.
13450 * tree-ssa-structalias.h (is_escape_site): Update prototype.
13451 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
13452 (ssa_ro_call_cache_valid): Ditto.
13453 (clobbered_v_may_defs): Ditto.
13454 (clobbered_vuses): Ditto.
13455 (ro_call_vuses): Ditto.
13456 (clobber_stats): New.
13457 (init_ssa_operands): Zero out clobber stats.
13458 (fini_ssa_operands): Print out clobber stats.
13459 (get_call_expr_operands): Pass callee fndecl to
13460 add_call_read_ops).
13461 (add_call_clobber_ops): Remove use of cache.
13462 Add use of PURE_CONST information.
13463 (add_call_read_ops): Remove use of cache.
13464 Add use of static not_read information.
13466 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
13468 Introduce TLS descriptors for i386 and x86_64.
13469 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
13470 (TARGET_ANY_GNU_TLS): New macro.
13471 (enum tls_dialect): Added TLS_DIALECT_GNU2.
13472 (struct machine_function): Add tls_descriptor_call_expanded_p.
13473 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
13474 (ix86_current_function_calls_tls_descriptor): Likewise.
13475 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
13476 (override_options): Introduce gnu2 tls dialect.
13477 (ix86_frame_pointer_required): Functions containing TLSCALLs are
13479 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
13481 (legitimize_tls_address): Adjust logic for GNU2 TLS.
13482 (ix86_init_machine_status): Initialize new field.
13483 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
13484 (ix86_tls_module_base): New.
13485 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
13486 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
13487 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
13488 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
13489 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
13490 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
13491 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
13492 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
13493 * config/i386/predicates.md (tls_modbase_operand): New.
13494 (tp_or_register_operand): New.
13496 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
13498 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
13499 (look_for_address_of): Ditto.
13500 (ipa_init): Walk the function decls.
13501 (static_execute): Don't set readonly on FUNCTION_DECL's.
13503 2006-01-18 Roger Sayle <roger@eyesopen.com>
13505 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
13506 for shifts where the source and destination registers are different.
13508 2006-01-18 Paul Brook <paul@codesourcery.com>
13510 Merge from csl-arm-branch.
13511 2005-03-14 Julian Brown <julian@codesourcery.com>
13512 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
13513 (aeabi_llsl): Likewise.
13514 (ashrdi3): Likewise.
13515 (aeabi_lasr): Likewise.
13516 (lshrdi3): Likewise.
13517 (aeabi_llsr): Likewise.
13518 2005-03-10 Julian Brown <julian@codesourcery.com>
13519 * config.gcc: Disable shared libgcc for SymbianOS.
13520 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
13522 2006-01-18 DJ Delorie <dj@redhat.com>
13524 * c-pragma.c (handle_pragma_diagnostic): New.
13525 (init_pragma): Register it.
13526 * doc/extend.texi: Document it.
13528 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
13529 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
13530 (diagnostic_context): Add classify_diagnostic[].
13531 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
13532 as errors if they're overridden to DK_WARNING.
13533 (diagnostic_initialize): Initialize classify_diagnostic[].
13534 (diagnostic_set_kind_override): New.
13535 (diagnostic_report_diagnostic): Check for kind changes.
13536 * opts.c (common_handle_option): Take lang_mask. Update callers.
13537 Handle OPT_Werror_.
13538 * common.opt (Werror=): New.
13539 * doc/invoke.texi: Document -Werror=*
13541 2006-01-18 Jeff Law <law@redhat.com>
13543 * tree-vrp.c (test_for_singularity): Correct test for new
13544 min limit. Use operand_equal_p rather than pointer equality
13545 for testing if new min/max values are equal.
13547 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
13548 using range information until after propagation and folding.
13550 2006-01-18 Richard Henderson <rth@redhat.com>
13551 Aldy Hernandez <aldyh@redhat.com>
13552 Jakub Jelinek <jakub@redhat.com>
13553 Diego Novillo <dnovillo@redhat.com>
13555 * omp-low.c: New file.
13556 * c-omp.c: New file.
13558 2006-01-18 Richard Henderson <rth@redhat.com>
13559 Jakub Jelinek <jakub@redhat.com>
13560 Diego Novillo <dnovillo@redhat.com>
13562 * doc/invoke.texi: Document -fopenmp.
13563 * tree-dump.h (debug_function): Declare.
13564 * hooks.c (hook_bool_tree_bool_false): New function.
13565 (hook_tree_tree_null): Remove.
13566 (hook_tree_tree_tree_null): New.
13567 * hooks.h: Update to match.
13568 * tree-pretty-print.c (debug_tree_chain): New.
13569 (print_generic_expr): Handle TDF_CHAIN.
13570 (dump_generic_node): Handle BLOCK.
13571 Do not abort with incomplete SWITCH_EXPRs.
13572 Do not dump body of an OpenMP directive if TDF_SLIM is given.
13573 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
13574 print space after directive name.
13575 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
13576 Handle OMP_MASTER and OMP_ORDERED.
13577 Handle printing of OMP_BODY just in one place, goto
13578 dump_omp_body in the rest of OMP_* nodes that have
13580 Don't handle clause nodes here. Update omp statements to
13581 use dump_omp_clauses.
13582 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
13583 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
13584 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
13585 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
13586 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
13587 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
13588 Adjust output for GOMP_PARALLEL.
13589 (dump_omp_clauses): New.
13590 (print_declaration): Dump DECL_VALUE_EXPR.
13591 (op_symbol_1): Split out of op_symbol.
13592 (dumping_stmts): Remove. Update all users.
13593 * cgraph.c (cgraph_analyze_queue): New.
13594 (cgraph_add_new_function): New.
13595 * cgraph.h (cgraph_analyze_queue): Declare.
13596 (cgraph_add_new_function): Declare.
13597 (cgraph_lower_function): Remove.
13598 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
13599 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
13600 and TYPE_P nodes in its default clause.
13601 (empty_body_p): New.
13602 (tree_range_check_failed): New.
13603 (build5_stat): New.
13604 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
13605 OMP_CLAUSE_REDUCTION_MERGE,
13606 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
13607 OMP_CLAUSE_PRIVATE_DEBUG,
13608 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
13609 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
13610 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
13611 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
13612 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
13613 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
13614 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
13615 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
13616 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
13617 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
13618 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
13619 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
13620 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
13621 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
13622 (TREE_RANGE_CHECK): New.
13623 (empty_body_p): Declare.
13624 (enum omp_clause_default_kind): New.
13625 (build_string_literal): Declare.
13626 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
13627 (build5_stat, build5): Declare.
13628 * tree-pass.h (TDF_CHAIN): Define.
13629 * tree-pass.h (PROP_gimple_lomp): Define.
13630 (pass_lower_omp): Declare.
13631 * diagnostic.h (debug_tree_chain): Declare.
13632 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
13634 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
13635 * builtins.c (build_string_literal): Make extern.
13636 * gcc.c (include_spec_function): New.
13637 (static_spec_functions): Add it.
13638 (main): Move load of libgomp.spec ...
13639 (LINK_COMMAND_SPEC): ... here.
13640 (link_gomp_spec): New.
13641 (static_specs): Include it.
13642 (LINK_COMMAND_SPEC): Add link_gomp.
13643 (GOMP_SELF_SPECS): New.
13644 (driver_self_specs): Include it.
13645 (switch_matches): Don't mark inline.
13646 (main): Load libgomp.spec.
13647 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
13648 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
13649 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
13650 * tree-gimple.h (enum omp_parallel): Declare.
13651 (determine_parallel_type): Declare.
13652 (omp_firstprivatize_variable): Declare.
13653 (omp_reduction_init): Declare.
13654 (diagnose_omp_structured_block_errors): Declare.
13655 (struct walk_stmt_info): Add want_return_expr.
13656 (struct walk_stmt_info): Add want_bind_expr, want_locations.
13657 (find_omp_clause): Declare.
13658 (insert_field_into_struct): Declare.
13659 (struct walk_stmt_info): Move from tree-nested.c
13660 (walk_stmts): Declare.
13661 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
13663 * cgraphunit.c (cgraph_lower_function): Make static.
13664 (cgraph_finalize_pending_functions): New.
13665 (cgraph_finalize_function): Call it.
13666 (cgraph_finalize_compilation_unit): Likewise.
13667 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
13668 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
13669 (BT_FN_UINT_UINT): New.
13670 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
13671 DEF_FUNCTION_TYPE_VAR_4): Document.
13672 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
13673 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
13674 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
13675 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
13676 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
13677 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
13678 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
13679 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
13680 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
13681 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
13682 into separate files.
13683 (DEF_GOMP_BUILTIN): New.
13684 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
13685 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
13686 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
13687 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
13688 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
13689 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
13690 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
13691 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
13692 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
13693 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
13694 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
13695 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
13696 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
13697 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
13698 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
13699 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
13700 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
13701 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
13702 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
13703 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
13704 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
13705 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
13706 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
13707 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
13708 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
13709 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
13710 * sync-builtins.def: New file, moved from builtins.def.
13711 * omp-builtins.def: New file, moved from builtins.def.
13712 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
13713 * gimple-low.c (lower_function_body): Clear data.
13714 (lower_stmt): Do not handle COMPOUND_EXPR.
13715 Remove call to print_node_brief.
13716 * c-tree.h (c_finish_omp_clauses): New prototype.
13717 (C_DECL_THREADPRIVATE_P): Define.
13718 (lookup_name_no_remap, c_omp_remap_private): Remove
13719 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
13720 (check_for_loop_decls): Update decl.
13721 (lookup_name_no_remap, c_omp_remap_private): Declare.
13722 (build_indirect_ref, build_modify_expr, pushdecl,
13723 pushdecl_top_level): Move to c-common.h.
13724 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
13725 before the switch, but just in the 2 places that need it.
13726 * c-decl.c (diagnose_mismatched_decls): Do not check for
13727 mismatched thread-local attributes when OLDDECL is marked
13728 threadprivate and NEWDECL has no thread-local attributes.
13729 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
13730 (c_gimple_diagnostics_recursively): Rename from
13731 c_warn_unused_result_recursively. Invoke
13732 diagnose_omp_structured_block_errors.
13733 (check_for_loop_decls): Return a singular decl found.
13734 * langhooks.c (lhd_omp_predetermined_sharing): Return
13735 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
13736 (lhd_omp_firstprivatize_type_sizes): New.
13737 (lhd_omp_assignment): New.
13738 (lhd_omp_predetermined_sharing): New.
13739 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
13740 (struct lang_hooks_for_types): Add
13741 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
13742 omp_predetermined_sharing, omp_disregard_value_expr,
13743 omp_private_debug_clause, omp_clause_default_ctor,
13744 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
13745 (c_finish_omp_clauses): New.
13746 (c_finish_bc_stmt): Diagnose break within omp for.
13747 (c_begin_omp_parallel, c_finish_omp_parallel): New.
13748 (build_unary_op): Return error_mark after reporting
13750 (build_modify_expr): Likewise.
13751 * gimplify.c: Include optabs.h and pointer-set.h.
13752 (enum gimplify_omp_var_data): Declare.
13753 (struct gimplify_omp_ctx): Declare.
13754 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
13756 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
13757 (push_gimplify_context, pop_gimplify_context): Allow nesting.
13758 (splay_tree_compare_decl_uid): New.
13759 (new_omp_context): New.
13760 (delete_omp_context): New.
13761 (gimple_add_tmp_var): Call omp_add_variable.
13762 (gimplify_bind_expr): Likewise.
13763 (gimplify_var_or_parm_decl): If omp_notice_variable returned
13764 true, disregard DECL_VALUE_EXPR on the decl if any.
13765 (gimplify_expr_in_ctx): New.
13766 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
13767 omp_add_variable, omp_notice_variable, omp_is_private
13768 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
13769 gimplify_adjust_omp_clauses, gimplify_omp_parallel
13770 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
13771 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
13772 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
13773 gimplify_omp_atomic): New.
13774 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13775 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13776 OMP_CRITICAL and OMP_ATOMIC.
13777 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
13778 * c-pragma.h (enum pragma_kind): Add
13779 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
13780 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
13781 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
13782 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
13783 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
13784 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
13785 PRAGMA_OMP_THREADPRIVATE.
13786 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13787 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13788 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
13789 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
13790 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
13791 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
13792 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
13793 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
13794 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
13795 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
13796 * tree-ssa-dce.c (find_control_dependence): Do not assume that
13797 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
13798 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
13800 (struct nesting_info): Add field_map,
13801 suppress_expansion, debug_var_chain.
13802 (create_nesting_tree): Initialize them.
13803 (lookup_field_for_decl): Use field_map.
13804 (get_nonlocal_debug_decl, get_local_debug_decl): New.
13805 (convert_local_omp_clauses): New.
13806 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
13807 (walk_body): Split out of walk_function.
13808 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
13809 (convert_nonlocal_reference): Handle omp statements.
13810 (convert_local_reference): Likewise.
13811 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
13812 (unnest_nesting_tree): New.
13813 (lower_nested_functions): Call it.
13814 (insert_field_into_struct): Make extern.
13815 (struct walk_stmt_info): Move to tree-gimple.h.
13816 (walk_stmts): Make extern.
13817 * omp-builtins.def: New file.
13818 * tree-iterator.c (expr_only): Clarify comment.
13819 * c-common.h (pushdecl_top_level, pushdecl,
13820 build_modify_expr, build_indirect_ref,
13821 c_finish_omp_master, c_finish_omp_critical,
13822 c_finish_omp_ordered, c_finish_omp_barrier,
13823 c_finish_omp_atomic, c_finish_omp_flush,
13824 c_finish_omp_for, c_split_parallel_clauses,
13825 omp_clause_default_kind, c_omp_sharing_predetermined,
13826 c_omp_remap_decl): Declare.
13827 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
13828 (OBJS-common): Add omp-low.o.
13829 (c-omp.o, omp-low.o): Add.
13830 (gimplify.o): Add dependency on $(OPTABS_H).
13831 (GTFILES): Add omp-low.c.
13832 (gt-stringpool.h): Add.
13833 * tree-cfg.c (set_bb_for_stmt): Do not update the
13834 block-to-labels map if we are currently expanding to RTL.
13835 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
13837 Handle IDENTIFIER_NODE.
13838 (tree_verify_flow_info): Do not ICE when emitting error
13839 messages about invalid labels.
13840 (dump_function_to_file): Reset CFUN before emitting the body
13842 (debug_function): New.
13843 * passes.c (init_optimization_passes): Schedule
13845 * langhooks-def.h (lhd_omp_predetermined_sharing,
13846 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
13848 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
13849 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
13850 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
13851 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
13852 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
13853 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
13854 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
13855 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
13856 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
13857 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
13858 (LANG_HOOK_DECLS): Use them.
13860 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
13861 Richard Henderson <rth@redhat.com>
13862 Jakub Jelinek <jakub@redhat.com>
13863 Diego Novillo <dnovillo@redhat.com>
13865 * c-parser.c (pragma_omp_clause): Define.
13866 (c_parser_declaration_or_fndef): Document OpenMP syntax.
13867 (c_parser_compound_statement): Likewise.
13868 (c_parser_statement): Likewise.
13869 (c_parser_pragma): Handle omp pragmas.
13870 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
13871 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
13872 (c_parser_omp_clause_name, check_no_duplicate_clause,
13873 c_parser_omp_variable_list,
13874 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
13875 c_parser_omp_clause_copyprivate,
13876 c_parser_omp_clause_default,
13877 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
13878 c_parser_omp_clause_lastprivate,
13879 c_parser_omp_clause_nowait,
13880 c_parser_omp_clause_num_threads,
13881 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
13882 c_parser_omp_clause_reduction,
13883 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
13884 c_parser_omp_all_clauses, c_parser_omp_structured_block,
13885 c_parser_omp_atomic, c_parser_omp_barrier,
13886 c_parser_omp_critical, c_parser_omp_flush,
13887 c_parser_omp_for_loop, c_parser_omp_for,
13888 c_parser_omp_master, c_parser_omp_ordered,
13889 c_parser_omp_sections_scope, c_parser_omp_sections,
13890 c_parser_omp_parallel, c_parser_omp_single,
13891 c_parser_omp_construct, c_parser_omp_threadprivate): New.
13892 * c-pragma.c (init_pragma): Do omp pragma registration here.
13893 * c.opt (fopenmp): New flag.
13895 2006-01-18 Eric Christopher <echristo@apple.com>
13897 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
13898 * config/darwin.h (GOMP_SELF_SPECS): Define.
13900 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13902 * rtl.h: Remove the prototype for reg_alloc.
13904 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13907 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
13908 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
13909 sjlj and dwarf2 exception handling.
13910 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
13911 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
13912 * pa/pa.c (function_value): Treat complex and vector types as
13914 (function_arg): Likewise. Only pass scalar floats in the floating
13915 point argument registers.
13916 * pa/t-slibgcc-dwarf-ver: New file.
13917 * pa/t-slibgcc-sjlj-ver: New file.
13918 * pa/t-slibgcc-elf-ver: Delete file.
13920 2006-01-19 Alan Modra <amodra@bigpond.net.au>
13922 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
13923 unlikely_test_section_p test.
13925 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13927 * mode-switching.c (optimize_mode_switching): Make it static.
13928 * basic-block.h: Remove the prototype for
13929 optimize_mode_switching.
13931 * modulo-sched.c (sms_schedule): Make it static.
13932 * rtl.h: Remove the prototype for sms_schedule.
13934 * postreload-gcse.c (gcse_after_reload_main): Make it static.
13935 * rtl.h: Remove the prototype for gcse_after_reload_main.
13937 * reg-stack.c (reg_to_stack): Make it static.
13938 * rtl.h: Remove the prototype for reg_to_stack.
13940 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
13942 * rtl.h: Remove the prototypes for regrename_optimize and
13943 copyprop_hardreg_forward.
13945 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
13947 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
13948 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
13949 Test against the appropriate null constant for the mode.
13950 If 'fixup_overlap' is true, swap the operands if they overlap.
13951 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
13952 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
13953 alpha_split_tmode_pair and adjust for above change.
13954 * config/alpha/alpha.md (movtf_internal): Adjust call to
13955 alpha_split_tfmode_pair and rely on it to swap the operands.
13956 (movti_internal): New insn and post-reload splitter.
13957 (movti): New expander.
13959 2006-01-18 Philippe De Muyter <phdm@macqel.be>
13961 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
13964 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13966 * rtlanal.c (global_reg_mentioned_p_1,
13967 global_reg_mentioned_p): Remove.
13968 * rtl.h: Remove the prototype for global_reg_mentioned_p.
13970 * flow.c (initialize_uninitialized_subregs): Make it static.
13971 * rtl.h: Remove the prototype for
13972 initialize_uninitialized_subregs.
13974 * function.c (instantiate_virtual_regs): Make it static.
13975 * function.h: Remove the prototype for
13976 instantiate_virtual_regs.
13978 * regmove.c (regmove_optimize, combine_stack_adjustments):
13980 * rtl.h: Remove the prototypes for regmove_optimize and
13981 combine_stack_adjustments.
13983 2006-01-17 Roger Sayle <roger@eyesopen.com>
13985 * config/i386/i386.c (COSTS_N_BYTES): New macro.
13986 (size_cost): Encode costs in bytes so that a reg-reg addition is
13987 equivalent to COSTS_N_INSNS(1).
13988 (override_options): Use the size_cost.branch_cost as the default
13989 ix86_branch_cost when optimizing for size.
13991 2006-01-18 Ben Elliston <bje@au.ibm.com>
13993 * Makefile.in (D32PBIT_FUNCS): New.
13994 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
13995 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
13996 D64PBIT_FUNCS and D128PBIT_FUNCS.
13997 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
13998 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
14000 (decnumber_dep): Define.
14001 * doc/libgcc.texi (Decimal float library routines): New node.
14002 * config/dfp-bit.h, config/dfp-bit.c: New files.
14004 2006-01-18 Ben Elliston <bje@au.ibm.com>
14006 * expr.c (emit_move_change_mode): Always adjust addresses, not
14007 just during reload. Copy replacements only during reload.
14008 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
14009 emit_move_via_integer.
14011 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
14013 * Makefile.in (check-%, check-consistency): Use $${srcdir}
14014 instead of $(srcdir) and ${srcdir}.
14016 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
14019 PR middle-end/11135
14020 * arm.h (struct machine_function): Add pic_reg.
14021 * arm.c (arm_pic_register): Make unsigned.
14022 (arm_override_options): Only set arm_pic_register if
14023 TARGET_SINGLE_PIC_BASE.
14024 (use_return_insn): Only test for a pic register if it is fixed.
14025 (arm_compute_save_reg0_reg12_mask): Likewise.
14026 (thumb_compute_save_reg_mask): Likewise.
14027 (legitimate_pic_operand): Factor out some known invariants.
14028 (legitimize_pic_address): If we don't have a fixed pic register,
14029 then set up a pseudo in the function entry sequence. Handle the
14030 pic base being in a pseudo.
14031 (arm_load_pic_register): Handle the pic register being in a pseudo.
14032 (arm_expand_prologue): Only set up the pic register if it is fixed.
14033 (thumb_expand_prologue): Likewise.
14034 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
14035 (pic_load_addr_based_insn): Likewise.
14036 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
14039 2006-01-18 Ben Elliston <bje@au.ibm.com>
14041 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
14042 decimal float modes for all floating point registers.
14044 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
14045 match_code "mem" with match_test "macho_lo_sum_memory_operand".
14047 2006-01-17 Jakub Jelinek <jakub@redhat.com>
14050 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
14051 even when the pointer is not NULL.
14053 2006-01-16 Ian Lance Taylor <ian@airs.com>
14055 * common.opt (ftoplevel-reorder): New option.
14056 * cgraph.c (cgraph_asm_nodes): New global variable.
14057 (cgraph_asm_last_node): New static variable.
14058 (cgraph_order): New global variable.
14059 (cgraph_create_node): Set new order field.
14060 (cgraph_varpool_node): Likewise.
14061 (decide_is_variable_needed): Return true if not
14062 flag_toplevel_reorder.
14063 (cgraph_add_asm_node): New function.
14064 * cgraph.h (struct cgraph_node): Add order field.
14065 (struct cgraph_varpool_node): Add order field.
14066 (struct cgraph_asm_node): Define.
14067 (cgraph_asm_nodes, cgraph_order): Declare.
14068 (cgraph_add_asm_node): Declare.
14069 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
14071 (cgraph_varpool_assemble_pending_decls): Call it.
14072 (cgraph_output_pending_asms): New static function.
14073 (cgraph_finalize_compilation_unit): Call it.
14074 (struct cgraph_order_sort): Define.
14075 (cgraph_output_in_order): New static function.
14076 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
14077 !flag_toplevel_reorder case.
14078 * c-parser.c: Include "cgraph.h".
14079 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
14081 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
14082 than -fno-unit-at-a-time.
14083 * doc/invoke.texi (Option Summary): Mention
14084 -fno-toplevel-reorder.
14085 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
14086 -funit-at-a-time documentation.
14088 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
14089 Kazu Hirata <kazu@codesourcery.com>
14091 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
14093 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
14095 * Makefile.in (FUNCTION_H): New. Use it instead of
14096 function.h throughout the file.
14097 * function.h: Include tree.h.
14099 2006-01-17 Ben Elliston <bje@au.ibm.com>
14101 * recog.c: Separate some functions with whitespace.
14103 2006-01-16 Richard Henderson <rth@redhat.com>
14105 Merge from gomp branch:
14106 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
14107 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
14108 and rename from struct inline_data. Rename callee* to dst*;
14109 caller* to src*; add copy_decl hook, transform_call_graph_edges,
14110 transform_new_cfg, transform_return_to_modify, and
14111 transform_lang_insert_block flags; remove cloning_p, versioning_p,
14113 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
14114 (copy_decl_for_dup): Remove.
14115 * tree-inline.c (struct inline_data): Move to header.
14116 (insert_decl_map): Export.
14117 (remap_decl): Update for member name changes. Use copy_decl hook.
14118 Allow for replacement to be a non-decl. Remove dead code.
14119 (remap_type_1): Check for existing mapping.
14120 (remap_type): Export.
14121 (remap_decls): Update for member name changes.
14122 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
14123 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
14124 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
14125 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
14126 (tree_function_versioning, build_duplicate_type): Likewise.
14127 (copy_body_r): Likewise. Export.
14128 (copy_decl_for_dup): Split into ...
14129 (copy_decl_for_dup_finish, copy_decl_to_var,
14130 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
14131 (replace_ref_tree, inlining_p): Remove.
14133 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14135 * ifcvt.c (if_convert): Make it static.
14136 * rtl.h: Remove the prototype for if_convert.
14138 * local-alloc.c (local_alloc): Make it static.
14139 * rtl.h: Remove the prototype for local_alloc.
14141 * loop.c (loop_optimize): Make it static.
14142 * cfgloop.h: Remove the prototype for loop_optimize.
14145 2006-01-16 DJ Delorie <dj@redhat.com>
14147 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
14150 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14152 * pa.md: Disparage copies between general and floating-point registers
14153 in 32-bit move patterns.
14155 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
14158 * Makefile.in (check-%): Depend on site.exp instead of
14159 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
14162 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14164 * global.c (global_alloc): Make it static.
14165 * rtl.h: Remove the prototype for global_alloc.
14167 2006-01-16 Richard Guenther <rguenther@suse.de>
14169 * tree-ssa-alias.c (struct used_part): Add write_only field.
14170 (get_or_create_used_part_for): Initialize it to true.
14171 (create_overlap_variables_for): Don't create structure variables
14172 for structures that only are written to.
14173 (find_used_portions): Handle MODIFY_EXPR to track whether a
14174 structure is only written to.
14176 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14178 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
14180 * basic-block.h: Remove the prototype for
14181 partition_hot_cold_basic_blocks.
14183 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
14185 * cppspec.c (lang_specific_spec_functions): Remove.
14186 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
14187 * gcc.h (lang_specific_spec_functions): Remove.
14188 * gccspec.c (lang_specific_spec_functions): Remove.
14190 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
14192 * combine.c (record_value_for_reg): Invalidate registers
14194 (record_dead_and_set_regs_1): Likewise, by passing them to
14195 record_value_for_reg.
14196 (record_dead_and_set_regs): Invalidate stores made by a
14197 call. We do not combine across a call, but we still
14198 relied on equivalences.
14200 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14202 * tree-vrp.c (extract_range_from_binary_expr): Cope with
14203 vrp_int_const_binop returning non-constant nodes.
14205 2006-01-16 Paul Brook <paul@codesourcery.com>
14207 * config/m68k/m68k.c (output_move_const_into_data_reg):
14208 Output correct mnemonic for mvz and mvs.
14210 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
14212 * rtl-factoring.c: Add sequence abstraction algorithm.
14213 * cfgcleanup.c (outgoing_edges_match): Extra checks.
14214 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
14216 (block_has_preserve_label): New function.
14217 * common.opt: Register new pass.
14218 * Makefile.in: Ditto.
14220 * timevar.def: Ditto.
14221 * tree-pass.h: Ditto.
14222 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
14223 * rtl.h (make_jump_insn_raw): Add forward decl.
14224 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
14226 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14227 Roger Sayle <roger@eyesopen.com>
14229 * fold-const.c (fold_minmax): New static function.
14230 (fold_binary) <MIN_EXPR>: Call it.
14231 <MAX_EXPR>: Likewise.
14232 * stor-layout.c (place_field): Use DECL_SIZE consistently
14233 in the computation of the new record size.
14235 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14237 * cse.c (cse_condition_code_reg): Make it static.
14238 * rtl.h: Remove the prototype for cse_condition_code_reg.
14240 * combine.c (combine_instructions): Make it static.
14241 * rtl.h: Remove the prototype for combine_instructions.
14243 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14246 * tree.c (get_file_function_name_long): Concatenate the first global
14247 object name with a string derived from the input filename of the object
14250 2006-01-16 Ben Elliston <bje@au.ibm.com>
14252 * config/i386/winnt-stubs.c: Update FSF address.
14253 * config/xtensa/ieee754-df.S: Ditto.
14254 * config/xtensa/ieee754-sf.S: Ditto.
14256 2006-01-14 Ian Lance Taylor <ian@airs.com>
14258 * ifcvt.c (noce_init_if_info): New static function, broken out of
14259 noce_process_if_block.
14260 (noce_process_if_block): Call noce_init_if_info.
14261 (check_cond_move_block): New static function.
14262 (cond_move_process_if_block): New static function.
14263 (process_if_block): Call cond_move_process_if_block.
14265 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
14267 * cselib.c (hash_table): Rename to cselib_hash_table.
14268 (cselib_clear_table, discard_useless_values,
14269 remove_useless_values, cselib_lookup_mem, cselib_lookup,
14270 cselib_init, cselib_finish): Adjust uses of hash_table.
14272 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
14274 PR tree-optimization/25485
14275 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
14276 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
14277 is known to be false and true, respectively.
14279 2006-01-14 Richard Guenther <rguenther@suse.de>
14281 PR tree-optimization/22548
14282 PR tree-optimization/22555
14283 PR tree-optimization/22501
14284 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
14285 * params.def (salias-max-array-elements): New parameter.
14286 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
14287 * doc/invoke.texi (salias-max-array-elements): Document.
14288 * tree-flow-inline.h (var_can_have_subvars): We also handle
14290 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
14292 * tree-ssa-structalias.c (params.h): Include.
14293 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
14294 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
14295 (get_constraint_for): For ADDR_EXPR operating on something
14296 containing an ARRAY_REF, add all subvars to the solution.
14297 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
14298 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
14299 for creating MUST_DEFs.
14300 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
14302 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
14304 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
14306 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
14307 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14308 number_of_iterations_le): New functions.
14309 (number_of_iterations_special): Removed.
14310 (number_of_iterations_exit): Do not use number_of_iterations_special.
14311 * tree.c (unsigned_type_for): Always return integer type.
14313 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
14314 Richard Guenther <rguenther@suse.de>
14316 PR rtl-optimization/24257
14317 * gcse.c (find_moveable_store): Only consider a store movable
14318 when the SET_SRC of the insn can be assigned to a register.
14320 2006-01-14 Ian Lance Taylor <ian@airs.com>
14322 * tree.c (tree_not_class_check_failed): New function.
14323 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
14324 (tree_not_class_check_failed): Declare.
14326 2006-01-13 Ian Lance Taylor <ian@airs.com>
14328 * reload1.c (do_output_reload): Add assertion rejecting a
14331 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
14333 * combine.c (struct reg_stat): Add new fields truncation_label and
14335 (record_value_for_reg): Reset truncated_to_mode.
14336 (record_truncated_value): New function.
14337 (check_promoted_subreg): Call it. Rename to check_conversions.
14338 (combine_instructions): Rename check_promoted_subreg to
14340 (reg_truncated_to_mode): New function.
14341 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
14342 (gen_lowpart_or_truncate): New function.
14343 (force_to_mode): Use it instead of gen_lowpart.
14345 2006-01-13 Diego Novillo <dnovillo@redhat.com>
14347 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
14348 VAR is a tag, not its type tag.
14350 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
14352 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
14353 alternatives to match style of other entries.
14354 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
14356 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
14358 PR tree-optimization/25771
14359 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
14362 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
14365 * tree-inline.c (declare_return_variable): If the return variable
14366 was marked as a non gimple complex, set the return slot variable
14367 to be a non gimple comple variable.
14369 2006-01-13 Richard Guenther <rguenther@suse.de>
14371 * builtins.c (expand_builtin_sincos): New function.
14372 (expand_builtin_mathfn_3): Remove dead code, sin and cos
14374 (expand_builtin): Expand sincos using expand_builtin_sincos.
14376 2006-01-12 DJ Delorie <dj@redhat.com>
14378 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
14379 shift counts, separate SI shifts for m32c vs m16c, pass shift type
14380 so that constant shifts can be split.
14381 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
14382 (m32c_valid_pointer_mode): Make static.
14383 (shift_gen_func_for): New.
14384 (m32c_prepare_shift): Use it. Split large const shifts into
14386 * config/m32c/predicates.md (shiftcount_operand): Allow more
14388 (longshiftcount_operand): New.
14389 * doc/md.texi (Machine Constraints): Document In6.
14391 2006-01-13 Ben Elliston <bje@au.ibm.com>
14393 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
14394 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
14397 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
14399 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
14400 to try to avoid clobbering pieces of structures when we know
14401 something about the whole structure.
14402 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
14404 2006-01-13 Ben Elliston <bje@au.ibm.com>
14406 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
14407 return in memory, as this is no limitation is no longer present.
14409 2006-01-12 DJ Delorie <dj@redhat.com>
14411 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
14412 mova with fb, and for fb+0 -> An.
14414 * config/m32c/mov.md (peephole2): Fix enabling logic.
14416 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
14417 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
14418 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
14419 FINI_ARRAY_SECTION_ASM_OP): Define.
14421 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
14423 (m32c_legitimize_reload_address): New logic to reload FB to An.
14424 (m32c_output_reg_push): Add newline.
14425 (m32c_output_reg_pop): Likewise.
14427 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
14429 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
14431 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
14433 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
14435 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14437 * config/sh/predicates.md (sh_rep_vec): Add parallel to
14440 2006-01-11 Ben Elliston <bje@au.ibm.com>
14442 * rtlanal.c (find_reg_note): Assert insn is not null.
14444 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14446 * df-scan.c (df_hard_reg_init): Move declaration of i outside
14449 2006-01-11 Jeff Law <law@redhat.com>
14451 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
14453 (mark_threaded_blocks, register_jump_thread): New functions.
14454 (thread_through_all_blocks): Remove unwanted argument. No
14455 longer rely on e->aux to communicate thread target info.
14456 Call mark_threaded_blocks. Release the threaded_blocks
14457 bitmap and threaded_edges vector when complete.
14458 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
14459 (threaded_blocks): Remove.
14460 (tree_ssa_dominator_optimize): Remove initialization and
14461 finalization of threaded_blocks. Simplify call to
14462 thread_through_all_blocks.
14463 (thread_across_edge): Call register_jump_thread rather than
14464 storing thread information into e->aux.
14465 (free_all_edge_infos): Simplify now that e->aux is no longer
14466 used to communicate with thread_through_all_blocks.
14467 * tree-flow.h (thread_through_all_blocks): Update prototype.
14468 (register_jump_thread): Prototype.
14470 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14472 * df-core.c (df_compact_blocks, df_bb_replace): Use
14473 SET_BASIC_BLOCK instead of BASIC_BLOCK.
14475 2006-01-11 Richard Guenther <rguenther@suse.de>
14477 PR tree-optimization/25734
14478 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
14479 stop propagation after successful propagation to the LHS.
14481 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14483 * basic-block.h (control_flow_graph): Change the type of
14484 x_basic_block_info to VEC(basic_block,gc) *.
14485 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
14487 (SET_BASIC_BLOCK): New.
14488 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
14489 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
14490 * cfgbuild.c (find_basic_blocks): Likewise.
14491 * cfglayout.c (fixup_reorder_chain): Likewise.
14492 * cfgrtl.c (create_basic_block_structure,
14493 rtl_create_basic_block): Likewise.
14494 * ifcvt.c (find_if_case_1): Likewise.
14495 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
14498 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14500 * Makefile.in: Removed rotted odf.c entry.
14502 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
14505 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
14506 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
14507 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
14508 output pattern modifier, not %e.
14509 * config/cris/cris.c (cris_op_str): Update comment about pattern
14511 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
14512 before falling through into...
14513 <case 'E'>: Redefined from old 'e' case.
14515 2006-01-11 Jan Hubicka <jh@suse.cz>
14518 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
14520 2006-01-11 Jan Hubicka <jh@suse.cz>
14522 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
14523 * i386.c (x86_decompose_lea): Kill.
14524 (ix86_rtx_costs): Kill.
14526 2006-01-11 Jan Hubicka <jh@suse.cz>
14528 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
14529 * cgraph.h (cgraph_node): Add inline_decl.
14530 (cgraph_insert_node_to_hashtable): Declare.
14531 (save_inline_function_body): Declare.
14532 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
14534 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
14535 (cgraph_function_versioning): Update call of tree_function_versioning.
14536 (save_inline_function_body): New function.
14537 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
14538 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
14539 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
14540 (cgraph_default_inline_p): Likewise.
14541 (cgraph_decide_inlining_incrementally): Likewise.
14542 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
14543 (copy_bb): Kill saving; do updating of clones.
14544 (copy_cfg_body): Kill saving.
14545 (initialize_inlined-parameters): Likewise.
14546 (expand_call_inline): Likewise.
14548 (tree_function_versioning): New parameter "update_clones".
14549 (inlining_p): Kill saving.
14550 * tree-inline.h (tree_function_versioning): Update prototype.
14551 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
14554 2006-01-11 Ian Lance Taylor <ian@airs.com>
14556 * combine.c (struct undo): Remove is_int. Enumify types of undos.
14557 Allow undoing set of machine mode.
14558 (do_SUBST): Use enums instead of is_int.
14559 (do_SUBST_MODE): New function.
14560 (SUBST_MODE): New macro.
14561 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
14562 reg and trying to replace reg_regno_rtx with a new register.
14563 (undo_all): Use new enums, handle undoing a PUT_MODE change.
14564 (simplify_set): Use SUBST_MODE.
14565 (distribute_notes): Remove code that tried to update reg notes
14566 for regno_reg_rtx changes.
14568 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
14570 PR tree-optimization/23109
14571 PR tree-optimization/23948
14572 PR tree-optimization/24123
14574 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
14575 * tree-cfg.c (single_noncomplex_succ): New.
14576 * tree-flow.h (single_noncomplex_succ): Declare it.
14577 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14578 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14579 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
14580 insert_bb, register_division_in, insert_reciprocals,
14581 replace_reciprocal, free_bb): New.
14582 (execute_cse_reciprocals_1): Rewritten.
14583 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
14584 Do not commit any edge insertion. Always compute dominators and
14585 create the allocation pool.
14586 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
14587 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
14588 * targhooks.c (default_min_divistions_for_recip_mul): New.
14589 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
14590 * passes.c (init_optimization_passes): Run recip after tree loop
14592 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
14594 2006-01-11 Danny Berlin <dberlin@dberlin.org>
14595 Kenneth Zadeck <zadeck@naturalbridge.com>
14597 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
14598 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
14599 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
14600 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
14601 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
14602 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
14603 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
14604 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
14605 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
14606 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
14607 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
14608 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
14609 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
14610 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
14611 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
14612 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
14613 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
14614 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
14615 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
14616 DF_SCAN_POST_ALLOC): New macros.
14617 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
14618 df_free_bb_function, df_local_compute_function, df_init_function,
14619 df_dataflow_function, df_confluence_function_0,
14620 df_confluence_function_n, df_transfer_function,
14621 df_finalizer_function, df_free_function, df_dump_problem_function,
14622 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
14623 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
14624 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
14625 df_urec_bb_info, ) New types.
14626 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
14628 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
14629 df_analyze_simple_change_some_blocks,
14630 df_analyze_simple_change_one_block, df_compact_blocks,
14631 df_bb_replace, df_bb_regno_last_use_find,
14632 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
14633 df_insn_regno_def_p, df_find_def, df_find_use,
14634 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
14635 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
14636 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
14637 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
14638 debug_df_chain, df_get_dependent_problem, df_chain_create,
14639 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
14640 df_grow_bb_info, df_chain_dump, df_print_bb_index,
14641 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
14642 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
14643 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
14644 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
14645 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
14646 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
14647 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
14648 df_ref_remove, df_insn_refs_delete, df_refs_delete,
14649 df_reorganize_refs, df_set_state, df_hard_reg_init,
14650 df_read_modify_subreg_p) New public functions.
14651 * df-core.c: The core dataflow solver and glue routines for rtl
14653 (df_init, df_add_problem, df_set_blocks, df_finish,
14654 df_hybrid_search_forward, df_hybrid_search_backward,
14655 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
14656 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
14657 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
14658 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
14659 df_reg_defined, df_find_use, df_reg_used, df_dump,
14660 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
14661 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
14662 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
14663 debug_df_useno, reset_df_after_reload): New functions.
14664 * df-scan.c: The scanning fuctions, once in df.c, completely
14665 rewritten so that they now fully model the functionality of
14666 register usage at the backend.
14667 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
14668 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
14669 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
14670 df_grow_insn_info, df_rescan_blocks, df_ref_create,
14671 df_get_artificial_defs, df_get_artificial_uses,
14672 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
14673 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
14674 df_refs_delete, df_reorganize_refs, df_set_state,
14675 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
14676 df_def_record_1, df_defs_record, df_uses_record,
14677 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
14678 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
14679 df_record_exit_block_uses, df_hard_reg_init): New functions.
14681 * df-problems.c: Seven concrete dataflow problems that use the
14682 scanning in df-scan.c and are solved by the engine in df-core.c.
14683 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
14684 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
14685 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
14686 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
14687 df_ru_free_bb_info, df_ru_alloc,
14688 df_ru_bb_local_compute_process_def,
14689 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
14690 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
14691 df_ru_transfer_function, df_ru_free, df_ru_dump,
14692 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
14693 df_rd_free_bb_info, df_rd_alloc,
14694 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
14695 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
14696 df_rd_transfer_function, df_rd_free, df_rd_dump,
14697 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
14698 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
14699 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
14700 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
14701 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
14702 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
14703 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
14704 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
14705 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
14706 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
14707 df_urec_mark_reg_change, df_urec_check_earlyclobber,
14708 df_urec_mark_reg_use_for_earlyclobber,
14709 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
14710 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
14711 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
14712 df_urec_dump, df_urec_add_problem, df_chain_alloc,
14713 df_chain_create_bb_process_use, df_chain_create_bb,
14714 df_chain_finalize, df_chain_free, df_chains_dump,
14715 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
14716 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
14717 df_reg_lifetime): New functions.
14718 * df.c: Deleted file.
14719 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
14720 consistent with new df api.
14721 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
14722 rest_of_handle_sms): Ditto.
14723 * web.c (unionfind_union, union_defs, entry_register, web_main):
14725 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
14726 invariant_expr_equal_p, find_defs, check_dependencies,
14727 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
14728 free_inv_motion_data, move_loop_invariants): Ditto.
14729 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
14730 Update dependencies.
14731 (odf.c): Added defective entry that was deleted later in day.
14732 * sched-deps.c (sched_analyze_1): Ditto.
14734 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
14736 * tree-ssa-operands.c (get_expr_operands): Record addressable
14737 variables directly. Do not call add_stmt_operands for CONST_DECLs
14739 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
14740 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
14742 2006-01-11 Ben Elliston <bje@au.ibm.com>
14744 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
14745 function returns true in the positive case.
14747 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14750 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
14751 for SI, DI, SF and DF modes. Add alternatives to copy between
14752 general and floating point registers to the 32-bit patterns.
14753 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
14754 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
14755 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
14756 generating 64-bit code.
14757 * config/pa/pa.c (output_move_double): Handle copies between general
14758 and floating registers.
14760 2006-01-10 Stuart Hastings <stuart@apple.com>
14762 * config/i386/i386.md (set_got): Update.
14763 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
14764 (builtin_setjmp_receiver): Mach-O support.
14765 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
14766 (GOT_SYMBOL_NAME): Define.
14767 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
14768 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
14769 * config/i386/i386.c (override_options): Revise for Darwin.
14770 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
14771 support. (darwin_x86_file_end): New. (output_set_got): Add label
14772 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
14773 * config/i386/i386-protos.h (output_set_got): Likewise.
14774 * config/darwin.c (machopic_legitimize_pic_address): Update
14777 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
14779 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
14780 when MODE isn't BLKmode.
14782 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14784 PR rtl-optimization/25367
14785 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
14787 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
14790 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
14791 for a negative bound.
14793 2006-01-10 Richard Guenther <rguenther@suse.de>
14795 * tree-ssa-structalias.c (get_constraint_for_component_ref):
14796 Never override with anything constraint.
14798 2006-01-10 Jan Beulich <jbeulich@novell.com>
14800 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
14801 256 bits when optimize_size.
14803 2006-01-10 Jan Beulich <jbeulich@novell.com>
14805 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
14807 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
14808 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
14811 2006-01-10 Ben Elliston <bje@au.ibm.com>
14813 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
14815 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
14816 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
14817 (USE_FP_FOR_ARG): Reject decimal float modes.
14818 (function_arg_advance): Likewise.
14819 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
14820 (rs6000_handle_altivec_attribute): Do not permit decimal floating
14821 point types in AltiVec vectors.
14822 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
14823 (rs6000_libcall_value): Likewise.
14825 2006-01-09 Bob Wilson <bob.wilson@acm.org>
14827 * config/xtensa/ieee754-df.S: New file.
14828 * config/xtensa/ieee754-sf.S: New file.
14829 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
14830 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
14831 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
14833 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
14835 * config/sh/predicates.md (binary_float_operator,
14836 binary_logical_operator, commutative_float_operator,
14837 equality_comparison_operator, greater_comparison_operator,
14838 less_comparison_operator, logical_operator,
14839 noncommutative_float_operator, shift_operator,
14840 symbol_ref_operand, unary_float_operator): Remove redundant
14843 2006-01-09 Jeff Law <law@redhat.com>
14845 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
14846 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
14847 now unused arguments. Callers updated.
14848 (eliminate_redundant_computations): Remove now unused arguments,
14850 (local_fold): Remove, no longer used.
14851 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
14853 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
14854 (simplify_cond): New function.
14855 (forward_propagate_into_cond): Call simplify_cond.
14857 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
14859 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
14860 (*vec_extractv2di_1_sse): New.
14862 2006-01-09 Ben Elliston <bje@au.ibm.com>
14864 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
14866 2006-01-08 Richard Guenther <rguenther@suse.de>
14868 * tree-ssa-structalias.c (get_constraint_for): Remove
14869 anyoffset argument.
14870 (get_constraint_for_component_ref): Likewise.
14871 (do_deref): Likewise.
14872 (get_constraint_for): Likewise.
14873 (do_structure_copy): Likewise.
14874 (handle_ptr_arith): Likewise.
14875 (find_func_aliases): Likewise. Remove unused need_anyoffset
14878 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
14879 Kaz Kojima <kkojima@gcc.gnu.org>
14881 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
14882 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
14883 (EXTRA_CONSTRAINT_C16): Remove.
14884 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
14885 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
14886 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
14887 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
14888 constants of SHmedia. Handle nested constant expressions of
14890 (andcosts): Fix the costs for SHmedia constants.
14891 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
14892 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
14893 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
14894 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
14895 (movv4hi_i, movv2si_i): Likewise.
14896 (movsi_const): Adjust the second operand of ior so to match with
14897 the Csu constraint.
14898 (movdi_const, movdi_const_32bit): Likewise.
14899 (movdi_const_16bit+1): Don't sign-extend LOW.
14900 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
14902 (*double_shori): Fix the split condition. Use GEN_INT instead
14903 of get_int_mode calls. Mask lower 16-bit of the argument of
14905 (sym2GOTPLT): Remove.
14906 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
14908 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
14909 instead of EXTRA_CONSTRAINT_C16.
14911 2006-01-07 Ian Lance Taylor <ian@airs.com>
14912 David Edelsohn <edelsohn@gnu.org>
14914 PR rtl-optimization/25662
14915 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
14916 for constant operands instead of simplify_gen_binary.
14917 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
14918 after trying simplify_binary_operation
14920 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
14922 * tree.c (iterative_hash_expr): Hash decls based on UID.
14924 2006-01-06 Eric Christopher <echristo@apple.com>
14926 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
14927 (TARGET_UNWIND_EMIT): Fix spelling.
14928 * target.h (gcc_target): Add except_table_label.
14929 * except.c (output_function_exception_table): Use.
14930 * varasm.c (default_emit_except_table_label): New.
14931 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
14933 (asm_out): Add here.
14934 * output.h (default_emit_except_table_label): Prototype.
14935 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
14936 * config/darwin.c (darwin_emit_except_table_label): Define.
14937 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
14939 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
14941 PR tree-optimization/18527
14942 * tree-ssa-loop-niter.c (number_of_iterations_cond,
14943 number_of_iterations_special, number_of_iterations_exit):
14944 Move base and step of an iv to a single structure. Add
14945 no_overflow flag, and use it in # of iterations analysis.
14946 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
14947 folded_casts argument.
14948 (simple_iv): Pass base and step in a structure. Set no_overflow
14950 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
14951 Evaluate expensiveness of computing # of iterations instead of
14952 the final expression.
14953 * tree-scalar-evolution.h (affine_iv): New structure.
14954 (simple_iv): Declaration changed.
14955 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
14956 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
14957 find_givs_in_stmt): Changed due to simple_iv change.
14959 2006-01-06 Jeff Law <law@redhat.com>
14962 * tree-cfg.c (bsi_replace): Rename final argument from
14963 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
14964 change (stmt -> orig_stmt).
14965 * tree-eh.c (verify_eh_throw_stmt_node): New function.
14966 (bsi_remove): Add new argument. Remove EH information
14968 (verify_eh_throw_table_statements): New function.
14969 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
14971 * tree-optimize.c (execute_free_cfg_annotations): Verify
14972 the EH throw statement table after removing annotations.
14973 * except.h (verify_eh_throw_table_statements): Prototype.
14974 * tree-flow.h (bsi_remove): Update prototype.
14975 * tree-vrp.c (remove_range_assertions): Add new argument to
14977 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
14978 * tree-complex.c (expand_complex_div_wide): Likewise.
14979 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
14980 * tree-tailcall.c (eliminate_tailcall): Likewise.
14981 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
14982 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
14983 * tree-nrv.c (tree_nrv): Likewise.
14984 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
14985 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
14986 (combine_blocks): Likewise.
14987 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
14988 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
14989 (cleanup_control_flow): Likewise.
14990 (remove_forwarder_block): Likewise.
14991 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
14992 * tree-sra.c (sra_replace): Likewise.
14993 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
14994 (forward_propagate_single_use_vars): Likewise.
14995 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
14996 * tree-inline.c (expand_call_inline): Likewise.
14997 * tree-vect-transform.c (vect_transform_loop): Likewise.
14998 * tree-outof-ssa.c (rewrite_trees): Likewise.
14999 * tree-cfg.c (make_goto_expr_edges): Likewise.
15000 (cleanup_dead_labels): Likewise.
15001 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
15002 (bsi_move_before, bsi_move_after): Likewise.
15003 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
15004 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
15006 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
15009 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
15011 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
15012 on non gimple variables. Also add checks at the top for decls and
15014 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
15016 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
15017 and IMAGPART_EXPR for creating MUST_DEFs.
15018 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
15019 and NAME_MEMORY_TAG separately from the DECLs.
15021 2006-01-06 Richard Guenther <rguenther@suse.de>
15023 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
15024 annotation, if necessary.
15025 * tree-ssa-pre.c (create_expression_by_pieces): Remove
15026 redundant calls to update_stmt.
15027 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
15030 2006-01-05 Richard Henderson <rth@redhat.com>
15032 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
15034 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15036 * c-typeck.c: Update copyright date.
15038 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15040 * c-typeck.c (build_c_cast): Always warn when casting
15041 from a pointer to an integer of different size, even if
15042 the node was constant.
15044 2006-01-05 Richard Guenther <rguenther@suse.de>
15046 PR tree-optimization/22555
15047 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
15048 if one structure field is an array.
15049 * tree-ssa-operands.c (get_expr_operands): Continue scanning
15050 operands even if we found a subvar, but ignore VOPs in this
15052 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
15054 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
15056 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
15058 PR middle-end/24998
15059 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
15061 2006-01-05 Richard Guenther <rguenther@suse.de>
15062 Diego Novillo <dnovillo@redhat.com>
15064 * tree-pass.h (TODO_remove_unused_locals): Define.
15065 * gimple-low.c (expand_var_p, remove_useless_vars,
15066 pass_remove_useless_vars): Remove. Update all users.
15067 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
15068 (remove_unused_locals): New function.
15069 * tree-flow.h (remove_unused_locals): Declare.
15070 * passes.c (execute_todo): Call remove_unused_locals if
15071 TODO_remove_unused_locals is set.
15072 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
15073 * tree-ssa-dce.c (pass_dce): Likewise.
15074 * tree-outof-ssa.c (pass_del_ssa): Likewise.
15076 2006-01-05 Richard Guenther <rguenther@suse.de>
15078 * tree-flow.h (struct fieldoff): Decompose field to
15079 type, size and decl.
15080 * tree-ssa-alias.c (create_sft): Take type as parameter.
15081 (create_overlap_variables_for): Store type, size and decl
15082 in the fieldoff structure.
15083 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
15084 of struct fieldoff.
15085 (push_fields_onto_fieldstack): Likewise.
15086 (create_variable_info_for): Likewise. Use offset for the
15087 SFT name if the decl is not available.
15089 2006-01-04 Paul Brook <paul@codesourcery.com>
15091 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
15093 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
15095 * lambda-code.c (can_put_in_inner_loop): Relax
15097 (can_put_after_inner_loop): New function.
15098 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
15099 (perfect_nestify): Change to make copies and modify uses.
15101 2006-01-04 Richard Henderson <rth@redhat.com>
15103 Merge from gomp branch:
15104 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
15105 via integer constant.
15106 (pragma_lex): Remove.
15107 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
15108 rather than parsing it.
15109 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
15110 handle_pragma_extern_prefix): Add %< %> quotes.
15111 (registered_pragmas): New.
15112 (c_register_pragma_1): New.
15113 (c_register_pragma): Use it.
15114 (c_register_pragma_with_expansion): Likewise.
15115 (c_invoke_pragma_handler): New.
15116 (init_pragma): Use cpp_register_deferred_pragma directly for
15118 * c-pragma.h (enum pragma_kind): New.
15119 (pragma_handler): New.
15120 (c_invoke_pragma_handler): Declare.
15121 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
15123 * c-common.h (c_common_pch_pragma): Update decl.
15124 * Makefile.in (c-parser.o): Update dependencies.
15125 (GTFILES): Add c-pragma.h.
15126 * c-parser.c (struct c_token): Add pragma_kind.
15127 (struct c_parser): Add in_pragma.
15128 (c_lex_one_token): Always initialize keyword and pragma_kind.
15129 Extract data for CPP_PRAGMA.
15130 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
15131 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
15132 Don't allow CPP_PRAGMA_EOL if in_pragma.
15133 (c_parser_consume_pragma): New.
15134 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
15135 (c_parser_skip_to_end_of_parameter): Likewise.
15136 (c_parser_skip_to_end_of_block_or_statement): Likewise.
15137 (c_parser_skip_to_pragma_eol): New.
15138 (c_parser_external_declaration): Handle CPP_PRAGMA.
15139 (c_parser_compound_statement_nostart): Likewise.
15140 (c_parser_statement_after_labels): Likewise.
15141 (c_parser_pragma): New.
15142 (pragma_lex): Likewise.
15143 (c_parser_pragma_pch_preprocess): New.
15144 (c_parser_new): Merge into ...
15145 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
15147 2006-01-04 Jeff Law <law@redhat.com>
15150 * tree-cfg.c (bsi_replace): Remove the original statement
15151 from the EH throw statement table.
15153 2006-01-04 Jakub Jelinek <jakub@redhat.com>
15155 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
15156 make the prototype extern "C" and add throw ().
15159 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
15160 and pos non-negative and pos + len <= 32.
15161 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
15162 drop pos + len < HOST_BITS_PER_WIDE_INT test.
15163 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
15166 * c-common.c (handle_vector_size_attribute): Reject zero vector size
15167 as well as sizes not multiple of component size.
15170 * function.c (instantiate_expr): New function.
15171 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
15172 walk its DECL_VALUE_EXPR with instantiate_expr.
15174 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
15175 DW_OP_deref{,_size} if address isn't going to be added.
15177 2006-01-04 Ben Elliston <bje@au.ibm.com>
15179 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
15180 * config/fp-bit.c: Likewise.
15182 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
15184 * dominance.c: Add comment about why we use DFS numbering
15187 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15188 Richard Henderson <rth@redhat.com>
15190 Merge from gomp-branch:
15191 * varasm.c (assemble_variable): Handle thread-local COMMON data.
15192 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
15194 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
15196 PR rtl-optimization/25578
15197 * combine.c (combine_simplify_rtx, force_to_mode): Don't
15198 pass a parameter to simplify_shift_const if changing ASHIFTRT
15201 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
15203 * builtins.c (get_builtin_sync_mem): New function.
15204 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
15205 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
15206 Call get_builtin_sync_mem to generate mem rtx.
15208 2006-01-03 Richard Guenther <rguenther@suse.de>
15211 * stmt.c (add_case_node): Make sure to clear overflow flags
15214 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15216 Merge from gomp-branch.
15217 * config/sparc/sync.md: New file.
15218 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
15219 UNSPECV_LDSTUB): New constants.
15220 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
15221 * config/sparc/predicates.md (memory_reg_operand): New predicate.
15222 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
15225 2006-01-03 Roger Sayle <roger@eyesopen.com>
15227 * combine.c (reg_subword_p): New predicate to test whether the
15228 destination of a set refers to a subword/piece of a register.
15229 (try_combine): Generalize the code to merge the setting of a
15230 pseudo to a constant followed by a set of a subword of that
15231 register to a constant.
15233 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
15235 * basic-block.h (control_flow_graph): Change the type of
15236 x_label_to_block_map to VEC(basic_block,gc) *.
15237 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
15238 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
15240 * tree-ssa-propagate.c (cfg_blocks): Change the type to
15241 VEC(basic_block,heap) *.
15242 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
15243 ssa_prop_fini): Adjust the uses of cfg_blocks.
15245 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
15247 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
15249 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
15250 hashing trees instead of a pointer hash.
15251 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
15252 compare for MEM_EXPR.
15254 PR rtl-optimization/25130
15255 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
15256 when comparing MEMs for GCSE
15258 2006-01-03 Ben Elliston <bje@au.ibm.com>
15260 * targhooks.h (default_decimal_float_supported_p): Declare.
15261 * targhooks.c (default_decimal_float_supported_p): Define.
15262 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
15263 `default_decimal_float_supported_p'.
15264 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
15266 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
15268 * combine.c (apply_distributive_law <SUBREG>): Check
15269 TRULY_NOOP_TRUNCATION.
15271 2006-01-02 Geoffrey Keating <geoffk@apple.com>
15273 * dwarf2out.c (have_switched_text_section): Delete.
15274 (have_multiple_function_sections): New.
15275 (have_location_lists): Make 'bool'.
15276 (add_AT_loc_list): Use 'true' not '1'.
15277 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
15278 (output_loc_list): Use have_multiple_function_sections.
15279 (output_ranges): Likewise.
15280 (dwarf2out_begin_function): Set have_multiple_function_sections if
15282 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
15283 Check function_section rather than DECL_SECTION_NAME.
15284 (dwarf2out_finish): Use have_multiple_function_sections.
15285 Don't clear have_location_lists.
15287 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
15288 Jan Hubicka <jh@suse.cz>
15290 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
15291 case of conditional jump jumping to the next instruction.
15292 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
15293 cases of conditional jump jumping to the next instruction.
15295 2006-01-02 Jan Hubicka <jh@suse.cz>
15297 * i386.c (*_cost): Add COSTS_N_INSNS.
15298 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
15300 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
15303 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
15305 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15307 * config/arm/arm.c (all_fpus): Fix comment typo.
15308 * config/darwin.c: Likewise.
15309 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
15310 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
15311 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
15313 2006-01-01 David Edelsohn <edelsohn@gnu.org>
15315 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
15316 (rs6000_split_compare_and_swapqhi): New.
15317 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
15318 (sync_compare_and_swapqhi_internal): New.
15319 * config/rs6000/rs6000-protos.h: Declare.