1 2006-03-22 Jie Zhang <jie.zhang@analog.com>
3 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5 2006-03-22 Richard Henderson <rth@redhat.com>
8 * except.c (duplicate_eh_regions_0): New.
9 (duplicate_eh_region_1): Duplicate the children of the node as
10 well as the node itself. Link them up properly.
11 (duplicate_eh_region_2): Merge into ...
12 (duplicate_eh_regions): ... here. Take copy_region argument, and
13 copy only a sub-tree if asked. Simplify copying and fixup.
14 (eh_region_outer_p): New.
15 * except.h (duplicate_eh_regions): Update decl.
16 (eh_region_outer_p): Declare.
17 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
18 (lower_omp_master): Likewise.
19 (lower_omp_ordered): Likewise.
20 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
21 (move_stmt_r): Use it to remap labels. Handle recursion vs
22 remap_decls_p properly.
23 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
24 (find_outermost_region_in_block): New.
25 (new_label_mapper): New.
26 (move_sese_region_to_fn): Copy eh information to the new function
28 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
30 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
33 2006-03-22 Richard Sandiford <richard@codesourcery.com>
35 * doc/md.texi (-mshared): Mention that -mshared code can be linked
36 into shared libraries.
38 2006-03-22 Richard Sandiford <richard@codesourcery.com>
40 * doc/md.texi: Refer to i386/constraints.md instead of
42 * config/i386/constraints.md: New file, extracted from...
43 * config/i386/predicates.md: ...here.
44 * config/i386/i386.md: Include constraints.md.
46 2006-03-21 Jason Merrill <jason@redhat.com>
48 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
51 * expr.c (init_block_move_fn): Force default visibility.
52 (init_block_clear_fn): Likewise.
53 * builtins.c (expand_builtin_fork_or_exec): Likewise.
54 * targhooks.c (default_external_stack_protect_fail): Likewise.
56 2006-03-21 Richard Sandiford <richard@codesourcery.com>
58 * config/mips/predicates.md (const_call_insn_operand): Allow direct
59 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
60 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
61 Use TARGET_OLDABI instead of !TARGET_NEWABI.
62 (loadgp): Use mips_current_loadgp_style.
63 (loadgp_noshared): New pattern.
64 (sibcall_internal): Use MIPS_CALL.
65 (sibcall_value_internal): Likewise.
66 (sibcall_value_multiple_internal): Likewise.
67 (call_internal): Likewise.
68 (call_value_internal): Likewise.
69 (call_value_multiple_internal): Likewise.
70 (call_split): Use MIPS_CALL and add an 'S' constraint.
71 (call_value_split): Likewise.
72 (call_value_multiple_split): Likewise.
73 * config/mips/mips.opt (-mabicalls): Tweak docstring.
74 (-mshared): New option.
75 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
76 (mips_current_loadgp_style): Declare.
77 * config/mips/mips.c (mips_classify_symbol): Avoid using
78 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
79 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
80 TARGET_ABSOLUTE_ABICALLS.
81 (override_options): Adjust comments. Improve the warning that is
82 issued when -mabicalls and -G are used together.
83 (mips_file_start): Remove comment.
84 (mips_current_loadgp_style): New function.
85 (mips_gnu_local_gp): New variable.
86 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
88 (mips_output_function_prologue): Use mips_current_laodgp_style.
89 (mips_expand_prologue): Call mips_emit_loadgp before emitting
90 the cprestore instruction.
91 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
92 live for TARGET_ABSOLUTE_ABICALLS.
93 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
94 (ASM_SPEC): Pass down -mshared and -mno-shared.
95 (MIPS_CALL): New macro.
96 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
98 * doc/invoke.texi (-mabicalls): Update documentation.
101 2006-03-21 Steve Ellcey <sje@cup.hp.com>
103 * config/ia64/unwind-hpux.c: New file.
104 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
106 2006-03-21 Steve Ellcey <sje@cup.hp.com>
109 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
111 2006-03-21 Jeff Law <law@redhat.com>
113 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
114 type conversions of a VR_VARYING source to a wider type.
116 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
118 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
119 tm_file on Solaris 10 and later.
120 (sparc64-*-solaris2*): Likewise.
121 (sparc-*-solaris2*): Likewise.
122 * config/sol26.h: Rename to config/sol2-6.h.
123 * config/sol2-10.h: New file.
125 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
128 * tree-ssa-pre.c (create_component_ref_by_pieces):
131 2006-03-21 Jakub Jelinek <jakub@redhat.com>
134 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
135 return it immediately.
137 2006-03-21 Michael Matz <matz@suse.de>
139 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
141 (remove_arc, add_arc): Update num_out_arcs member.
142 (set_out_arc_insns_equiv_num): Returns nothing instead of number
144 (cache_presence): New function.
145 (compare_states_for_equiv): New function.
146 (state_is_differed): Don't take number of outargs, adjust callers.
147 Use new invariant for speeding up.
148 (init_equiv_class): Create initial classes based on sorted
150 (partition_equiv_class): Don't track out_arcs_num.
151 (evaluate_equiv_classes): Call cache_presence on all states and
154 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
156 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
157 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
158 (bfin_valid_reg_p): Test for pseudos explicitly and use only
159 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
161 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
162 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
163 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
164 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
165 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
167 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
168 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
169 (REGNO_REG_CLASS): ARGP is in PREGS.
170 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
172 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
173 to deal with those addresses.
174 * addresses.h: New file.
175 * caller-save.c: Include "addresses.h".
176 (init_caller_save): Use new base_reg_class function.
177 * rtl-factoring.c: Include "addresses.h".
178 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
179 * recog.c: Include "addresses.h".
180 (preprocess_constraints): Use new base_reg_class function.
181 * regrename.c: Include "addresses.h".
182 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
183 functions. Keep track of a new var INDEX_CODE to compute valid
185 (replace_oldest_value_addr): Likewise.
186 (replace_oldest_value_mem): Use base_reg_class.
187 * reload.c: Include "addresses.h".
188 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
189 (find_reloads): Use new base_reg_class function.
190 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
191 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
192 all callers and prototype changed.
193 * reload1.c: Include "addresses.h".
194 (maybe_fix_stack_asms): Use base_reg_class.
195 * regclass.c: Include "addresses.h".
196 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
197 (init_reg_autoinc): Use new base_reg_class function.
198 (record_reg_classes): Likewise.
199 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
200 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
201 Use new args to compute necessary class.
203 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
204 regrename.o, rtl-factoring.o): Update dependencies.
205 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
206 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
207 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
208 REG_OK_FOR_INDEX_P): Delete documentation.
210 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
212 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
213 from V7 to V9 for Solaris 7 and above.
215 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
217 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
218 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
219 argument pointers may not alias any other storage.
220 * common.opt: Define option -fargument-noalias-anything.
221 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
222 alias semantics is specified by flag_argument_noalias > 2.
224 2006-03-20 Jeff Law <law@redhat.com>
226 * tree-pass.h (pass_phi_only_copy_prop): Delete.
227 (pass_phi_only_cprop): Declare.
228 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
230 * tree-ssa-dom.c (degenerate_phi_result): New function.
231 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
232 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
233 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
234 (eliminate_degenerate_phis): Likewise.
235 (pass_phi_only_cprop): New pass descriptor.
236 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
237 support code. Callers updated.
238 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
239 (store_copy_prop): Likewise.
240 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
242 2006-03-20 Jason Merrill <jason@redhat.com>
245 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
246 (push_visibility, pop_visibility): Likewise.
247 * c-pragma.h: Declare them.
249 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
251 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
253 * config/sh/sh.c (find_regmode_weight): Change the type of the first
254 parameter and use get_ebb_head_tail.
255 (sh_md_init_global): Adjust uses of find_regmode_weight.
257 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
259 * function.h (struct function) <x_tail_recursion_reentry>:
260 Rename to x_stack_check_probe_note.
261 (tail_recursion_reentry): Rename to stack_check_probe_note.
262 * function.c: Replace tail_recursion_reentry with
263 stack_check_probe_note everywhere.
264 (expand_function_start): Only emit a note for
265 stack_check_probe_note with -fstack-protect.
266 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
268 * emit-rtl.c (remove_unnecessary_notes): Remove.
269 (pass_remove_unnecessary_notes): Remove.
270 * rtl.h (remove_unnecessary_notes): Remove prototype.
271 * final.c (final_start_function): Don't call remove_unnecessary_notes.
272 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
273 * passes.c (pass_remove_unnecessary_notes): Don't run it.
275 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
278 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
279 (valid_in_set): Handle ARRAY_REF.
280 Change "if min_variant or VH" to asserts.
281 (create_component_ref_by_pieces): Handle ARRAY_REF.
282 (create_expression_by_pieces): Likewise.
283 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
285 2006-03-20 David Edelsohn <edelsohn@gnu.org>
287 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
288 is operand of switch, not str[0].
290 2006-03-20 Alan Modra <amodra@bigpond.net.au>
292 * config/rs6000/rs6000.c (rs6000_handle_option): Use
293 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
295 2006-03-19 David Edelsohn <edelsohn@gnu.org>
297 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
298 end of insn_extra_address_constraint declaration.
300 2006-03-19 David Edelsohn <edelsohn@gnu.org>
302 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
303 (no-sum-in-toc): Same.
304 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
306 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
307 NO_FP_IN_TOC for -fPIC instead of mask.
309 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
310 (BOOT_LDFLAGS): Delete.
312 * config/rs6000/t-aix52: Same.
314 * config/rs6000/rs6000.md (store_multiple_power): Delete.
315 (stmsi[345678]_power): New.
317 2006-03-17 Steve Ellcey <sje@cup.hp.com>
319 * config/ia64/ia64.opt: Add empty line to end of file.
321 2006-03-17 Richard Guenther <rguenther@suse.de>
324 * builtins.c (get_pointer_alignment): For component style references
325 adjust alignment to the component type alignment. Make sure
326 to adjust alignment for component access of constants.
328 2006-03-17 David Edelsohn <edelsohn@gnu.org>
330 * config/rs6000/rs6000.md (strlensi): Emit barrier after
333 2006-03-17 Paul Brook <paul@codesourcery.com>
335 * doc/install.texi: Docuemnt --with-mode.
336 * config.gcc: Add --with-mode for arm*-*-*.
337 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
339 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
341 * sh.c (max_labelno_before_reorg): New variable.
342 (sh_reorg): Initialize it.
343 (find_barrier): Check max_labelno_before_reorg before using
344 label_to_alignment. Take length of explicit alignment insns
345 into account. When seeing a UNSPECV_CONST_END, return it.
347 * sh.c (fixup_mova): Set mode of affected label to QImode.
348 (untangle_mova): New function.
349 (find_barrier): Use it. Check mode of label before decrementing
351 (sh_reorg): Likewise.
352 Set mode of all insns back to VOIDmode.
354 * sh.c (MOVA_LABELREF): New macro.
355 (mova_p, fixup_mova, sh_reorg): Use it.
356 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
357 ADDR_DIFF_VEC matches mova.
359 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
361 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
362 with ATTRIBUTE_UNUSED.
364 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
366 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
367 pointer, instead of assuming it is possible to derive the
368 correct args size from a call insn.
370 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
372 * rtl.h (CONST_INT_P): Define.
373 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
374 instead of GET_CODE(x) == CONST_INT.
375 (vax_rtx_costs): Likewise.
376 (vax_output_int_move): Likewise.
377 (vax_output_int_add): Likewise.
378 (legitimate_constant_address_p): Likewise.
379 (index_term_p): Likewise.
380 * config/vax/vax.h (PRINT_OPERAND): Likewise.
381 * config/vax/vax.md (and<mode>3): Likewise.
384 (movstricthi): Likewise.
385 (movstrictqi): Likewise.
387 (five unnamed insns): Likewise.
389 2006-03-16 Geoffrey Keating <geoffk@apple.com>
391 * doc/tm.texi (SDB and DWARF): Add extra parameter to
392 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
393 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
394 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
395 Pass to ASM_OUTPUT_DWARF_OFFSET.
396 * dwarf2out.c (debug_frame_section): New.
397 (output_call_frame_info): Use debug_frame_section. Pass it to
398 dw2_asm_output_offset.
399 (output_die): Pass appropriate section to dw2_asm_output_offset.
400 (output_compilation_unit_header): Likewise.
401 (output_pubnames): Likewise.
402 (output_aranges): Likewise.
403 (enum dw_val_class): Break dw_val_class_lbl_offset into
404 dw_val_class_lineptr and dw_val_class_macptr.
405 (add_AT_lbl_offset): Delete.
406 (add_AT_lineptr): New.
407 (add_AT_macptr): New.
408 (AT_lbl): Expect a lineptr or macptr.
409 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
410 (attr_checksum): Likewise.
411 (same_dw_val_p): Likewise.
412 (size_of_die): Likewise.
413 (value_format): Likewise.
414 (output_die): Likewise.
415 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
417 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
418 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
419 * config/darwin-protos.h (darwin_file_start): New.
420 (darwin_asm_output_dwarf_offset): New.
421 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
422 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
424 * config/darwin.c (darwin_emit_unwind_label): Don't output label
425 if not EH section; simplify.
426 (darwin_file_start): New.
427 (darwin_asm_output_dwarf_offset): New.
428 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
430 (DEBUG_INFO_SECTION): Likewise.
431 (DEBUG_ABBREV_SECTION): Likewise.
432 (DEBUG_ARANGES_SECTION): Likewise.
433 (DEBUG_MACINFO_SECTION): Likewise.
434 (DEBUG_LINE_SECTION): Likewise.
435 (DEBUG_LOC_SECTION): Likewise.
436 (DEBUG_PUBNAMES_SECTION): Likewise.
437 (DEBUG_STR_SECTION): Likewise.
438 (DEBUG_RANGES_SECTION): Likewise.
439 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
440 (ASM_OUTPUT_DWARF_OFFSET): New.
442 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
444 * config.gcc (tm_defines): Always add to previous value rather
447 2006-03-16 Richard Sandiford <richard@codesourcery.com>
449 * config/mips/predicates.md (splittable_const_int_operand): New,
450 split from move_operand.
451 (splittable_symbolic_operand): New.
452 (move_operand): Add commentary. Use splittable_const_int_operand.
453 Inline mips_atomic_symbolic_constant_p.
454 * config/mips/mips.md: Add combine splitters for handling moves
455 of splittable_const_int_operands and splittable_symbolic_operands.
456 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
457 (mips_split_symbol): Declare.
458 (mips_move_integer): Declare.
459 * config/mips/mips.c (mips_split_p): Make global.
460 (TARGET_MIN_ANCHOR_OFFSET): Override default.
461 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
462 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
463 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
464 (mips_offset_within_object_p): Handle block symbols.
465 (mips_atomic_symbolic_constant_p): Delete.
466 (mips_cannot_force_const_mem): Return false for constants that
467 mips_legitimize_move can handle.
468 (mips_use_blocks_for_constant_p): New function.
469 (mips_split_symbol): Make global.
470 (mips_move_integer): Likewise. Add a temporary register argument.
471 (mips_legitimize_const_move): Use splittable_const_int_operand and
472 splittable_symbolic_operand.
473 (mips_use_anchors_for_symbol_p): New function.
474 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
475 (mips_split_p): Declare.
477 2006-03-16 Richard Sandiford <richard@codesourcery.com>
479 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
480 (mips*-*-linux*): Likewise.
482 2006-03-16 Roger Sayle <roger@eyesopen.com>
483 Daniel Speyer <dspeyer@wam.umd.edu>
486 * tree-dump.c (dump_real): New function.
487 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
488 * Makefile.in (REAL_H): New macro for dependencies on real.h.
489 (tree-dump.o): Add $(REAL_H) to the dependencies.
491 2006-03-16 Roger Sayle <roger@eyesopen.com>
494 * real.c (real_from_string): If the mantissa is zero, don't bother
495 parsing the exponent as the result should always be zero.
497 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
499 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
501 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
503 * config/ia64/ia64.c (stops_p): Added explicit initialization.
504 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
505 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
506 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
507 ia64_sched_finish_global): New static functions to implement
508 hooks from gcc_target.sched.
509 (spec_check_no, max_uid, pending_data_specs): New static variables.
510 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
511 ia64_spec_check_src_p): New static functions.
512 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
513 (TARGET_SCHED_ADJUST_COST): Removed.
514 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
515 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
516 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
517 TARGET_SCHED_GEN_CHECK,
518 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
519 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
520 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
521 Fixed to handle speculation checks.
522 (rtx_needs_barrier): Fixed to handle speculative loads and
524 (ia64_variable_issue): Added code to count speculative loads and their
526 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
528 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
530 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
532 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
533 (ia64_reorg): Reset stops_p to NULL after it is freed.
534 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
535 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
536 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
538 (data_speculative, control_speculative, check_load): New attributes.
539 (mov<mode>_advanced, mov<mode>_speculative,
540 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
541 zero_extend<mode>di2_speculative,
542 zero_extend<mode>di2_speculative_advanced): New patterns for
543 data and control speculative loads.
544 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
546 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
547 New pattern for data and control speculation checks.
548 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
549 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
550 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
551 Auxiliary definitions for the patterns.
552 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
553 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
555 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
557 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
558 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
559 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
560 New resource constraints.
561 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
563 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
564 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
565 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
566 msched-in-control-spec, msched-ldc, msched-control-ldc,
567 msched-spec-verbose, msched-prefer-non-data-spec-insns,
568 msched-prefer-non-control-spec-insns,
569 msched-count-spec-in-critical-path): New flags to tune speculative
571 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
572 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
573 msched-in-control-spec, msched-ldc, msched-control-ldc,
574 msched-spec-verbose, msched-prefer-non-data-spec-insns,
575 msched-prefer-non-control-spec-insns,
576 msched-count-spec-in-critical-path): Document new flags.
578 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
580 * target.h (struct spec_info_def): New opaque declaration.
581 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
582 speculate_insn, needs_block_p, gen_check,
583 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
584 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
585 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
586 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
587 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
588 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
590 (TARGET_SCHED): Use new macros.
591 * rtl.h (copy_DEPS_LIST_list): New prototype.
592 * sched-int.h (struct sched_info): Change signature of new_ready field,
593 adjust all initializations. New fields: add_remove_insn,
594 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
595 region_head_or_leaf_p.
596 (struct spec_info_def): New structure declaration.
597 (spec_info_t): New typedef.
598 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
599 recovery_block, orig_pat.
600 (glat_start, glat_end): New variables declaraions.
601 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
603 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
604 DETACH_LIFE_INFO, USE_GLAT.
605 (enum SPEC_SCHED_FLAGS): New enumeration.
606 (NOTE_NOTE_BB_P): New macro.
607 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
608 attach_life_info, debug_spec_status, check_reg_live): New functions.
609 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
610 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
612 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
613 * ddg.c (get_block_head_tail): Adjust all uses.
614 * modulo-sched.c (get_block_head_tail): Adjust all uses.
615 (sms_sched_info): Initialize new fields.
616 (contributes_to_priority): Removed.
617 * haifa-sched.c (params.h): New include.
618 (get_block_head_tail): Adjust all uses.
619 (ISSUE_POINTS): New macro.
620 (glat_start, glat_end): New global variables.
621 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
622 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
623 old_last_basic_block, before_recovery, current_sched_info_var,
624 rgn_n_insns, luid): New static variables.
625 (insn_cost1): New function. Move logic from insn_cost to here.
626 (find_insn_reg_weight1): New function. Move logic from
627 find_insn_reg_weight to here.
628 (reemit_notes, move_insn, max_issue): Change signature.
629 (move_insn1): Removed.
630 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
631 extend_bb): New static functions to support extension of scheduler's
633 (generate_recovery_code, process_insn_depend_be_in_spec,
634 begin_speculative_block, add_to_speculative_block,
635 init_before_recovery, create_recovery_block, create_check_block_twin,
636 fix_recovery_deps): New static functions to support
637 generation of recovery code.
638 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
639 restore_bb_notes, move_block_after_check, move_succs): New static
640 functions to support ebb scheduling.
641 (init_glat, init_glat1, attach_life_info1, free_glat): New static
642 functions to support handling of register live information.
643 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
644 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
645 add_jump_dependencies): New static functions.
646 (check_cfg, has_edge_p, check_sched_flags): New static functions for
647 consistancy checking.
648 (debug_spec_status): New function to call from debugger.
649 (priority): Added code to handle speculation checks.
650 (rank_for_schedule): Added code to distinguish speculative instructions.
651 (schedule_insn): Added code to handle speculation checks.
652 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
653 Fixed to handle ebbs.
654 (move_insn): Added code to handle ebb scheduling.
655 (max_issue): Added code to use ISSUE_POINTS of instructions.
656 (choose_ready): Added code to choose between speculative and
657 non-speculative instructions.
658 (schedule_block): Added code to handle ebb scheduling and scheduling of
659 speculative instructions.
660 (sched_init): Initialize new variables.
661 (sched_finish): Free new variables. Print statistics.
662 (try_ready): Added code to handle speculative instructions.
663 * lists.c (copy_DEPS_LIST_list): New function.
664 * sched-deps.c (extend_dependency_caches): New function. Move logic
665 from create_dependency_caches to here.
666 (get_dep_weak, ds_merge): Make global.
667 * genattr.c (main): Code to output prototype for
668 dfa_clear_single_insn_cache.
669 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
670 (output_dfa_clean_insn_cache_func): Code to output
671 dfa_clear_single_insn_cache function.
672 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
674 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
676 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
677 New static variables.
678 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
679 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
681 (ebb_sched_info): Initialize new fields.
682 (get_block_head_tail): Adjust all uses.
683 (compute_jump_reg_dependencies): Fixed to use glat_start.
684 (schedule_ebb): Code to remove unreachable last block.
685 (schedule_ebbs): Added code to update register live information.
686 * sched-rgn.c (region_sched_info): Initialize new fields.
687 (get_block_head_tail): Adjust all uses.
688 (last_was_jump): Removed. Adjust users.
689 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
690 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
692 (check_dead_notes1): New static function.
693 (struct region): New fields: dont_calc_deps, has_real_ebb.
694 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
695 (BB_TO_BLOCK): Fixed to handle EBBs.
696 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
697 (ebb_head): New static variable.
698 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
699 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
701 (compute_dom_prob_ps): New assertion.
702 (check_live_1, update_live_1): Fixed to work with glat_start instead of
703 global_live_at_start.
704 (init_ready_list): New assertions.
705 (can_schedule_ready_p): Split update code to begin_schedule_ready.
706 (new_ready): Add support for BEGIN_CONTROL speculation.
707 (schedule_insns): Fixed code that updates register live information
709 (schedule_region): Fixed to handle EBBs.
710 (init_regions): Use extend_regions and check_dead_notes1.
711 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
712 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
713 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
714 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
715 TARGET_SCHED_GEN_CHECK,
716 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
717 TARGET_SCHED_SET_SCHED_FLAGS): Document.
718 * doc/invoke.texi (max-sched-insn-conflict-delay,
719 sched-spec-prob-cutoff): Document.
721 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
723 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
724 inter_tick, queue_index.
725 (struct sched_info): Change signature of init_ready_list field.
726 Adjust all initializations.
727 (RESOLVED_DEPS): New access macro.
728 (ready_add): Remove prototype.
729 (try_ready): Add prototype.
730 * sched-rgn.c (init_ready_list): Use try_ready.
731 (schedule_region): Initialize
732 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
733 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
734 (init_ready_list): Use try_ready.
735 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
736 * lists.c (remove_list_elem): Remove `static'.
737 (remove_free_INSN_LIST_elem): New function.
738 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
739 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
740 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
742 (readyp): New variable.
743 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
744 change_queue_index, resolve_dep): New static functions.
745 (try_ready): New function. Adjust callers in sched-rgn.c and
746 sched-ebb.c to use it instead of ready_add.
747 (clock_var): Move at the begining of file.
748 (rank_for_schedule): Fix typo.
749 (queue_insn): Add assertion. Handle QUEUE_INDEX.
750 (ready_lastpos): Enforce assertion.
751 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
753 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
754 (schedule_insn): Rewrite to use try_ready and resolve_dep.
755 (queue_to_ready): Use free_INSN_LIST_list.
756 (early_queue_to_ready): Fix typo.
757 (schedule_block): Init readyp. Move init_ready_list call after the
758 initialization of clock_var. Fix error in rejecting insn by
759 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
760 that previously corrected INSN_TICKs. Add code for handling
762 (set_priorities): Fix typo.
763 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
764 Clarify comment and code that keeps current_sched_info->next_tail
767 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
769 * sched-rgn.c (extend_rgns): New static function.
771 (gather_region_statistics, print_region_statistics): New static
773 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
774 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
776 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
777 Andrey Belevantsev <abel@ispras.ru>
779 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
780 * lists.c (unused_deps_list): New variable.
781 (free_list): Add assertions to verify the proper distinguishing
782 between INSN_LISTs and DEPS_LISTs.
783 (find_list_elem, remove_list_elem, remove_list_node): New static
785 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
786 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
787 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
788 (alloc_INSN_LIST): Assert that the list we're working on is indeed
790 (free_INSN_LIST_node): Likewise.
791 * modulo-sched.c (current_sched_info): Initialize flags field.
792 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
793 * rtl.def (DEPS_LIST): Define.
794 * rtl.h: Declare new functions from lists.c.
795 * sched-deps.c (spec_dependency_cache): New static variable.
796 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
797 (add_dependence): Change return type to void. Move the logic to ...
798 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
799 (delete_all_dependences): Add comment about forward_dependency_cache.
800 Handle spec_dependency_cache. Handle DEPS_LISTs.
801 (fixup_sched_groups): Clarify the change of priority of output
802 and anti dependencies.
803 (sched_analyze_2): Adjust add_dependence calls to create data
804 speculative dependence.
805 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
806 Adjust all callers. Handle DEPS_LISTS.
807 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
808 presence of speculation.
809 (init_dependency_caches, free_dependency_caches):
810 Handle spec_dependency_cache.
811 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
812 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
813 New static functions.
814 (add_or_update_back_dep, add_or_update_back_forw_dep,
815 add_back_forw_dep, delete_back_forw_dep): New functions.
816 * sched-int.h (ds_t, dw_t): New typedefs.
817 (struct sched_info): Add new field flags.
818 (struct haifa_insn_data): Add new bitfield has_internal_dep.
819 Prototype new sched-deps.c functions.
820 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
821 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
822 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
823 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
824 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
825 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
827 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
829 * sched-rgn.c (current_sched_info): Initialize flags field.
830 (schedule_insns): Initialize current_sched_info before the sched_init
832 * sched-ebb.c (current_sched_info): Initialize flags field.
833 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
834 Call add_or_update_back_dep instead of add_dependence.
835 Create control speculative dependencies.
836 (schedule_insns): Initialize current_sched_info before the sched_init
839 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
841 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
843 (sh_fallback_frame_state): Likewise.
845 2006-03-15 Geoffrey Keating <geoffk@apple.com>
847 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
848 Do switch on default_use_cxa_atexit.
849 (powerpc*-*-darwin*): Build crt2.o on powerpc.
850 * config/darwin-crt3.o: New.
851 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
852 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
853 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
855 * config/rs6000/t-darwin: Move crt2.o building to here.
856 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
857 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
860 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
862 * config/vax/vax.c (nonindexed_address_p): Change logical negation
863 from '! xxx' to '!xxx' for coding-style conformance.
864 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
865 (EXTRA_CONSTRAINT): Likewise.
866 * config/vax/vax.md (four unnamed insns): Likewise.
868 2006-03-15 Paul Brook <paul@codesourcery.com>
870 * config/arm/arm.c (minipool_pad): New.
871 (add_minipool_forward_ref): Include pool alignment padding in address
873 (push_minipool_fix): Set minipool_pad.
874 (minipool_pad): Ditto.
876 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
878 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
879 instead of GET_CODE() == MEM and REG_P() instead of
881 (print_operand_address): Likewise.
882 (vax_address_cost): Likewise.
883 (vax_rtx_costs): Likewise.
884 (vax_notice_update_cc): Likewise.
885 (vax_output_int_add): Likewise.
886 (INDEX_REGISTER_P): Likewise.
887 (BASE_REGISTER_P): Likewise.
888 (nonindexed_address_p): Likewise.
889 (vax_mode_dependent_address_p): Likewise.
890 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
891 (PRINT_OPERAND): Likewise.
892 * config/vax/vax.md (ashlsi3): Likewise.
894 (some more unnamed insns): Likewise.
896 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
898 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
899 iterator-style macro.
900 (mark_control_dependent_edges_necessary): Update the use of
901 EXECUTE_IF_CONTROL_DEPENDENT.
903 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
905 * config/sh/predicates.md (cache_address_operand): Special.
906 (ua_address_operand): Likewise.
908 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
910 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
912 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
914 2006-03-15 Andreas Schwab <schwab@suse.de>
916 * gensupport.c (identify_predicable_attribute): Don't free p_false
917 when it is still in use.
919 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
921 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
922 the default setting here.
924 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
926 * tree-pass.h (pass_cfg): Remove.
927 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
928 * passes.c (pass_cfg): Don't run it.
930 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
932 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
933 * reg-stack.c (stack_regs_mentioned_data): Change the type to
935 (stack_regs_mentioned): Update the uses of
936 stack_regs_mentioned_data. Don't access the array beyond its
938 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
939 Don't include gt-reg-stack.h.
941 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
942 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
944 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
947 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
950 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
952 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
954 2006-03-14 Richard Guenther <rguenther@suse.de>
956 PR tree-optimization/26672
957 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
960 2006-03-14 Richard Guenther <rguenther@suse.de>
962 PR tree-optimization/26667
963 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
964 node for the callees. Always allow inlining if it will shrink
967 2006-03-14 Richard Guenther <rguenther@suse.de>
970 * builtins.c (get_pointer_alignment): Prefer alignment
971 information from decls over that from types.
973 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
976 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
978 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
980 * config/rs6000/rs6000.opt (mdlmzb): New option.
981 (msched-prolog, msched-epilog): Use Var not Mask.
982 * doc/invoke.texi (-mdlmzb): Document.
983 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
985 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
986 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
988 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
990 PR rtl-optimization/25739
991 * bt-load.c (augment_live_range): Free tos pointer.
993 * gensupport.c (identify_predicable_attribute): Free
995 * gcov.c (create_file_names): Free name pointer.
997 2006-03-13 Roger Sayle <roger@eyesopen.com>
1000 * stmt.c (emit_case_nodes): Handle the case where the index is a
1001 CONST_INT, where the comparison mode is specified by the index type.
1003 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1005 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
1008 2006-03-13 Richard Sandiford <richard@codesourcery.com>
1010 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
1011 (*branch_fp_inverted): Likewise.
1013 2006-03-13 Jakub Jelinek <jakub@redhat.com>
1016 * omp-low.c (expand_omp_for_generic): Mark istart0
1017 and iend0 as addressable.
1019 2006-03-13 Jie Zhang <jie.zhang@analog.com>
1021 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
1023 2006-03-13 Jeff Law <law@redhat.com>
1025 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
1026 virtual operands are interesting.
1027 (vrp_visit_stmt): Corresponding changes.
1029 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
1031 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
1033 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
1034 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
1035 * config/bfin/crti.S: Use it instead of __PIC__.
1036 * config/bfin/crtn.S: Likewise.
1038 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
1039 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
1041 Lose 'G' modifier for call operand.
1042 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
1043 recognize 'G' modifier.
1045 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
1048 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
1049 * stmt.c (expand_case): Likewise.
1051 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1053 PR rtl-optimization/26254
1054 * loop-invariant.c (seq_insns_valid_p): New function.
1055 (move_invariant_reg): Only emit new code if it is valid.
1057 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1059 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
1061 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
1062 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
1063 (commit_one_edge_insertion): Do not look for loop notes.
1065 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1067 * jump.c (follow_jumps): Do not check for loop notes. Move check for
1068 flag_test_coverage out of loop.
1070 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1072 * final.c (shorten_branches): Remove outdated comment, and turn
1073 the if branch that guards it to continue.
1075 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1077 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
1078 * cfgloop.h (struct loop): Remove unused fields.
1080 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
1082 * doc/invoke.texi (-fdump-rtl-loop): Remove.
1083 (-dL, -fdump-rtl-loop2): Update the dump file names
1085 * doc/invoke.texi: Update dump file names.
1087 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
1089 * predict.c (estimate_probability): Remove.
1090 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
1091 * basic-block.h (estimate_probability): Remove prototype.
1092 * passes.c (finish_optimization_passes): Dump branch prediction or
1093 profiling heuristics to the .profile tree dump.
1094 (init_optimization_passes): Unqueue pass_branch_prob.
1096 * doc/invoke.texi (-fdump-rtl-bp): Remove.
1098 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
1100 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
1101 * rtl.h (LABEL_NEXTREF): Remove field accessor.
1103 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
1105 * function.h (frame_offset_overflow): Declare.
1106 * function.c (frame_offset_overflow): New function.
1107 (assign_stack_local_1): Call it to detect that the offset overflows.
1108 * cfgexpand.c (alloc_stack_frame_space): Likewise.
1110 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
1112 * config/sh/sh.c: Include alloc-pool.h.
1113 (label_ref_list_pool): New alloc pool.
1114 (label_ref_list_t): New type for lists of labels.
1115 (struct pool_node): Make wend a label_ref_list_t.
1116 (add_constant): Use the new type, eradicate LABEL_NEXTREF
1118 (dump_table): Likewise.
1119 (sh_reorg): Set up the alloc pool before using add_constant and
1120 dump_table, and destroy it when finishing.
1122 2006-03-11 Richard Sandiford <richard@codesourcery.com>
1124 * config/mips/mips.c: Remove redundant comment.
1126 2006-03-10 Jason Merrill <jason@redhat.com>
1129 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
1130 the target was declared 'register'.
1132 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
1134 * genpreds.c (write_insn_constraint_len): Change definition of
1135 insn_constraint_len to return size_t to match the declaration.
1137 2006-03-10 DJ Delorie <dj@redhat.com>
1139 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
1141 (m32c_expand_insv): Fix test for an AND mask.
1143 2006-03-10 Richard Guenther <rguenther@suse.de>
1146 * builtins.c (get_pointer_alignment): Handle component
1147 references for field alignment.
1149 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
1151 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
1152 when building with libgloss.
1153 (sh*elf): Implement --without-fp option.
1154 (sh64-superh-linux*): Don't multilib.
1156 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
1158 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
1160 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
1162 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
1163 Set it when one of the replacement functions returned true.
1164 Return TODO_cleanup_cfg if cfgchanged is true.
1165 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
1167 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
1169 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
1170 instead of gen_lowpart.
1172 2006-03-09 Richard Sandiford <richard@codesourcery.com>
1174 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
1176 (mips_output_order_conditional_branch): Declare.
1177 * config/mips/mips.h (MIPS_BRANCH): New macro.
1178 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
1179 for the comparison. Use gen_condjump.
1180 (mips_output_conditional_branch): Rework interface to take the
1181 asm templates for a direct branch and the inverse of a direct branch.
1182 (mips_output_order_conditional_branch): New function.
1183 (mips_builtin_branch_and_move): New function.
1184 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
1185 branch condition. Use gen_single_cc as the condition for
1186 __builtin_mips_upper_* or __builtin_mips_lower_*.
1187 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
1188 Use VOIDmode for the branch condition.
1189 * config/mips/predicates.md (order_operator): New predicate.
1190 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
1191 (branch_fp): Rename to...
1192 (*branch_fp): ...this. Remove mode from comparison operator.
1193 Use new mips_output_conditional_branch interface.
1194 (branch_fp_inverted): Rename to...
1195 (*branch_fp_inverted): ...this and update as for *branch_fp.
1196 (*branch_zero<mode>): Rename to...
1197 (*branch_order<mode>): ...this. Remove mode from comparison operator.
1198 Use mips_output_order_conditional_branch. Only accept ordered
1200 (*branch_zero<mode>_inverted): Rename to...
1201 (*branch_order<mode>_inverted): ...this and update as for
1202 *branch_order<mode>.
1203 (*branch_equality<mode>): Accept zero as the second operand to
1204 the equality operator. Use the new mips_output_conditional_branch
1206 (*branch_equality<mode>_inverted): Likewise.
1207 (condjump): New expander.
1208 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
1210 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
1211 (bc1any2t, bc1any2f): Likewise.
1212 (single_cc): New expander.
1213 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
1215 2006-03-09 Richard Sandiford <richard@codesourcery.com>
1217 * doc/md.texi: Update documentation of MIPS constraints.
1218 * config/mips/constraints.md: New file.
1219 * config/mips/mips.md: Include it.
1220 * config/mips/mips.c (mips_char_to_class): Delete.
1221 (override_options): Don't initialize mips_char_to_class.
1222 * config/mips/mips.h (mips_char_to_class): Delete.
1223 (REG_CLASS_FROM_LETTER): Delete.
1224 (CONST_OK_FOR_LETTER_P): Delete.
1225 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1226 (EXTRA_CONSTRAINT_Y): Delete.
1227 (EXTRA_CONSTRAINT_STR): Delete.
1228 (CONSTRAINT_LEN): Delete.
1229 (EXTRA_MEMORY_CONSTRAINT): Delete.
1231 2006-03-09 Diego Novillo <dnovillo@redhat.com>
1233 * tree-cfg.c (move_block_to_fn): Remove the statements from the
1234 original fn's eh regions.
1236 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
1238 * fold-const.c (build_range_check): Make sure to use a valid type to
1239 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
1242 (range_predecessor): New static function.
1243 (range_successor): Likewise.
1244 (merge_ranges): Use them to compute predecessors and successors of
1247 2006-03-09 Roger Sayle <roger@eyesopen.com>
1250 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
1251 X op C3, consider whether C3 overflows towards +Inf or -Inf.
1253 2006-03-08 DJ Delorie <dj@redhat.com>
1255 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
1256 (addpsi3): Expand to include memory operands. Remove
1257 reload-specific splits.
1258 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
1259 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
1260 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
1261 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
1262 (shift1_qi, shift1_hi, insv): New.
1263 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
1264 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
1265 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
1267 * config/m32c/m32c-protos.h: Update as needed.
1268 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
1269 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
1270 Fail for unrecognized R* constraints.
1271 (m32c_cannot_change_mode_class): Be more picky about pseudos.
1272 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
1273 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
1275 (m32c_init_libfuncs): New.
1276 (m32c_legitimate_address_p): Add debug wrapper.
1277 (m32c_rtx_costs): New.
1278 (m32c_address_cost): New.
1279 (conversions): Add 'B' prefix.
1280 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
1281 operands, or word regnames for QI operands. 'B' prints bit
1283 (m32c_expand_setmemhi): New.
1284 (m32c_expand_movmemhi): New.
1285 (m32c_expand_movstr): New.
1286 (m32c_expand_cmpstr): New.
1287 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
1288 (m32c_expand_neg_mulpsi3): Handle non-ints.
1289 (m32c_cmp_flg_0): New.
1290 (m32c_expand_movcc): New.
1291 (m32c_expand_insv): New.
1292 (m32c_scc_pattern): New.
1293 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
1294 a0/a1 out of SIregs.
1295 (STORE_FLAG_VALUE): New.
1296 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
1299 * config/m32c/mov.md: Make constraints more liberal.
1300 (zero_extendqihi2): Optimize r0/r1 case.
1301 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
1302 * config/m32c/predicates.md (m32c_any_operand): New.
1303 (m32c_nonimmediate_operand): New.
1304 (m32c_hl_operand): New.
1305 (m32c_r3_operand): New.
1308 (memsym_operand): New.
1309 (memimmed_operand): New.
1310 (a_qi_operand): New.
1311 (m32c_eqne_operator): New.
1312 (m32c_1bit8_operand): New.
1313 (m32c_1bit16_operand): New.
1314 (m32c_1mask8_operand): New.
1315 (m32c_1mask16_operand): New.
1316 * config/m32c/blkmov.md: New file.
1317 * config/m32c/t-m32c (MD_FILES): Add blkmov.
1319 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
1321 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
1322 unsigned to fix signed/unsigned comparison issue in
1323 DWARF2_FRAME_REG_OUT.
1324 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
1325 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
1327 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
1328 of ptr into the ENABLE_CHECKING section.
1330 2006-03-08 Jeff Law <law@redhat.com>
1332 * tree-vrp.c (infer_value_range): Only count pointer uses
1333 and dereferences if -fdelete-null-pointer-checks is enabled.
1335 * tree-vrp.c (find_assert_locations): Infer value ranges for
1336 single use pointers, but do not create ASSERT_EXPRs for them.
1337 When a non-null range is inferred for a pointer, backwards
1338 propagate that range to other equivalent pointers through the
1341 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
1344 * Makefile.in (dvi, html, install-info): Invoke the corresponding
1345 language hook targets.
1346 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
1347 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
1348 if language hook targets were missing.
1350 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
1352 * tree-ssa-opfinalize.h: Removed.
1353 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
1355 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
1356 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
1357 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
1358 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
1359 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
1360 finalize_ssa_v_must_def_ops): New.
1362 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
1364 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
1367 2006-03-07 Geoffrey Keating <geoffk@apple.com>
1369 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
1371 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
1372 addresses with offsets; reorganize.
1374 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
1375 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
1376 (expand_builtin_init_dwarf_reg_sizes): Likewise.
1378 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
1381 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
1383 2006-03-08 Ben Elliston <bje@au.ibm.com>
1385 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
1387 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
1390 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
1393 2006-03-07 Richard Guenther <rguenther@suse.de>
1395 PR tree-optimization/26587
1396 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
1398 2006-03-07 Richard Sandiford <richard@codesourcery.com>
1400 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
1402 2006-03-07 Richard Sandiford <richard@codesourcery.com>
1404 * hooks.c (hook_bool_mode_rtx_true): New function.
1405 * hooks.h (hook_bool_mode_rtx_true): Declare.
1406 * toplev.c (compile_file): Call output_shared_constant_pool.
1407 * varasm.c (shared_constant_pool): New variable.
1408 (assemble_start_function, assemble_end_function): Remove arguments
1409 from call to output_constant_pool.
1410 (create_constant_pool): New function, split out from...
1411 (init_varasm_status): ...here.
1412 (force_const_mem): Choose between the shared and per-function constant
1413 pools. Set current_function_uses_const_pool when reusing old entries
1414 as well as when creating new ones.
1415 (mark_constant): Ignore data argument.
1416 (mark_constants): Remove pool argument.
1417 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
1418 to decide whether the function uses a constant pool.
1419 (output_constant_pool_contents): New function, split out from...
1420 (output_constant_pool): ...here.
1421 (output_shared_constant_pool): New function.
1422 (init_varasm_once): Initialize shared_constant_pool.
1423 * output.h (output_constant_pool): Delete.
1424 (output_shared_constant_pool): Declare.
1425 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
1426 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
1428 2006-03-06 Nick Clifton <nickc@redhat.com>
1430 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
1431 flag_strength_reduce.
1433 2006-03-06 Ben Elliston <bje@au.ibm.com>
1435 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
1436 x86_64-*-linux* configurations.
1438 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
1439 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
1441 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
1443 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
1445 * basic-block.h: Remove the extern for
1446 rediscover_loops_after_threading.
1448 * cfgloop.c (cancel_loop): Make it static.
1449 * cfgloop.h: Remove the prototype for cancel_loop.
1451 * flow.c (recompute_reg_usage): Make it static.
1452 * rtl.h: Remove the prototype for recompute_reg_usage.
1454 * function.c (use_return_register): Make it static.
1455 * function.h: Remove the prototype.
1457 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
1459 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
1461 * recog.h: Remove the prototype for
1462 validate_change_maybe_volatile.
1464 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
1466 * rtlanal.c (replace_reg): Remove.
1467 * rtl.h: Remove the prototype for replace_reg.
1469 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
1471 * regclass.c (reg_scan_update): Remove.
1472 (reg_scan_mark_refs): Remove the last argument.
1473 * rtl.h: Remove the prototype for reg_scan_update.
1475 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1477 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
1478 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
1479 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
1480 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
1481 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
1482 loop-invariant.c, omp-low.c, opts.c, passes.c,
1483 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
1484 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
1485 tree-ssa-structalias.c, tree-ssa-threadedge.c,
1486 tree-ssa-threadupdate.c, tree-vect-patterns.c,
1487 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
1488 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
1490 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1492 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
1493 * dwarf2out.h: Remove the prototype for
1494 dwarf2out_add_library_unit_info.
1496 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1498 * tree.c (add_var_to_bind_expr): Remove.
1499 * tree.h: Remove the prototype for add_var_to_bind_expr.
1501 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1503 * regclass.c (n_non_fixed_regs): Remove.
1504 (init_reg_sets_1, globalize_reg): Remove all uses of
1506 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
1508 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1510 * rtlanal.c (insns_safe_to_move_p): Remove.
1511 * rtl.h: Remove the prototype for insns_safe_to_move_p.
1513 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1515 * expmed.c (expand_mult_add): Remove.
1516 * expr.h: Remove the prototype for expand_mult_add.
1518 2006-03-04 Jakub Jelinek <jakub@redhat.com>
1520 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
1521 and REG_SAVED_VAL_EXP constants.
1522 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
1523 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
1524 Handle regs stored by value.
1525 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
1526 (execute_cfa_program): Handle DW_CFA_val_offset,
1527 DW_CFA_val_offset_sf and DW_CFA_val_expression.
1528 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
1529 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
1530 (uw_install_context_1): Handle target regs stored by value.
1532 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
1534 * tree-sra.c (tree_sra): Return todoflags;
1535 (generate_one_element): Set TODO_update_smt_usage if needed.
1536 (pass_sra): Remove TODO_update_smt_usage.
1537 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
1539 (tree_ssa_forward_propagate_single_use_vars): Return
1540 TODO_update_smt_usage if we need to update SMT usage.
1541 (pass_forwprop): Remove TODO_update_smt_usage.
1543 2006-03-03 Diego Novillo <dnovillo@redhat.com>
1545 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
1546 (correct_use_link): Remove reference to get_stmt_operands.
1547 (update_stmt_operands): Likewise.
1548 (get_modify_expr_operands): New function factored out of
1549 parse_ssa_operands and get_expr_operands.
1550 Try to create V_MUST_DEFs for LHS by default.
1551 (get_expr_operands) <case MODIFY_EXPR>: Call
1552 get_modify_expr_operands.
1553 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
1554 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
1555 (parse_ssa_operands) <case MODIFY_EXPR>: Call
1556 get_modify_expr_operands.
1558 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
1560 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
1561 * tree-flow.h: Remove the prototype for
1562 referenced_var_lookup_if_exists.
1564 2006-03-03 Steve Ellcey <sje@cup.hp.com>
1566 PR rtl-optimization/26345
1568 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
1570 2006-03-03 Roger Sayle <roger@eyesopen.com>
1572 PR tree-optimization/26524
1573 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
1574 fold_convert to create a constant of the appropriate type.
1576 2006-03-03 Richard Sandiford <richard@codesourcery.com>
1578 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1579 SYMBOL_REF_IN_BLOCK_P.
1580 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
1581 of SYMBOL_FLAG_IN_BLOCK.
1582 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
1583 instead of SYMBOL_REF_IN_BLOCK_P.
1584 * explow.c (use_anchored_address): Likewise.
1585 * rtl.c (rtx_size): Likewise.
1586 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
1587 instead of SYMBOL_FLAG_IN_BLOCK.
1588 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1589 SYMBOL_REF_IN_BLOCK_P.
1590 (assemble_variable): Likewise.
1591 (output_constant_def_contents): Likewise.
1592 (output_constant_pool): Likewise.
1593 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
1594 instead of SYMBOL_FLAG_IN_BLOCK.
1595 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1596 SYMBOL_REF_IN_BLOCK_P.
1597 (SYMBOL_REF_BLOCK): Likewise.
1598 (SYMBOL_REF_OFFSET): Likewise.
1599 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1600 SYMBOL_REF_IN_BLOCK_P.
1601 (SYMBOL_FLAG_IN_BLOCK): Replace with...
1602 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
1603 (SYMBOL_REF_IN_BLOCK_P): Replace with...
1604 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
1606 2006-03-03 Jakub Jelinek <jakub@redhat.com>
1608 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
1610 2006-03-02 Roger Sayle <roger@eyesopen.com>
1612 * simplify-rtx.c (simplify_unary_operation): When simplifying
1613 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
1614 that we perform the right shift in the appropriate mode, and
1615 then extend or truncate the result to requested mode.
1617 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
1619 * gengtype.c (main): Handle double_int type.
1620 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
1621 * double-int.c: New file.
1622 * double-int.h: New file.
1623 * system.h: Include doubleint.h.
1624 * Makefile.in (SYSTEM_H): Include double-int.h.
1625 (double-int.o): Add.
1627 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
1630 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
1633 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
1635 * tree-vrp.c (remove_range_assertions): Do not update statements
1638 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
1640 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
1642 * gcse.c (rest_of_handle_gcse): Ditto.
1643 * except.c (gate_handle_eh): Ditto.
1644 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
1645 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
1647 2006-03-02 Eric Christopher <echristo@apple.com>
1649 * config/i386/i386.c (machopic_output_stub): Add indirection to
1652 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
1656 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
1658 Sun Niagara specific optimizations.
1659 * config.gcc: Recognize niagara as target.
1660 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
1661 (TARGET_CPU_niagara): Define.
1662 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
1663 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
1664 (CPP_CPU_SPEC): Handle -mcpu=niagara.
1665 (ASM_CPU_SPEC): Likewise.
1666 (PROCESSOR_NIAGARA): New enum entry.
1667 (REGISTER_MOVE_COST): Handle Niagara.
1668 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
1669 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
1670 (sparc_override_options): Recognize "niagara", set appropriate
1671 default MASK_* values for it, and align functions to 32-bytes
1672 by default just like ULTRASPARC/ULTRASPARC3.
1673 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
1674 (sparc64_initialize_trampoline): Likewise.
1675 (sparc_use_sched_lookahead): Use zero for niagara.
1676 (sparc_issue_rate): Use one for niagara.
1677 * config/sparc/niagara.md: New file.
1678 * config/sparc/sparc.md: Include it.
1679 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
1680 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
1681 when default cpu is niagara.
1682 (CPP_CPU_SPEC): Handle -mcpu=niagara.
1683 (ASM_CPU_SPEC): Likewise.
1684 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
1685 when default cpu is niagara.
1686 (ASM_CPU_SPEC): Handle -mcpu=niagara.
1687 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
1688 just like v9/ultrasparc/ultrasparc3.
1689 * doc/invoke.texi: Add documentation for "niagara" and improve
1690 existing documentation for ultrasparc variants.
1692 2006-03-02 Diego Novillo <dnovillo@redhat.com>
1694 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
1696 2006-03-02 Richard Sandiford <richard@codesourcery.com>
1698 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
1699 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
1700 and say that only one is needed.
1701 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
1702 * target.h (have_switchable_bss_sections): New hook.
1703 * explow.c (use_anchored_address): Check that the symbol is in a block.
1704 * varasm.c (tls_comm_section, comm_section, lcomm_section)
1705 (bss_noswitch_section): New variables.
1706 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
1707 (get_noswitch_section): New function.
1708 (get_block_for_section): Allow SECT to be null.
1709 (unlikely_text_section_p): Use SECTION_STYLE.
1710 (bss_initializer_p): New function.
1711 (get_variable_section): Move earlier in file. Take a new argument,
1712 prefer_noswitch_p. Move bss checks from assemble_variable to here.
1713 Return one of the new *_sections in such cases.
1714 (get_block_for_decl): New function, extracting some logic from
1715 use_blocks_for_decl_p.
1716 (change_symbol_section): Remove in favor of...
1717 (change_symbol_block): ...this new function.
1718 (use_blocks_for_decl_p): Remove checks now performed by
1720 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
1721 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
1722 (emit_local, emit_bss, emit_common): ...these new functions.
1723 Return true if the alignment was honored.
1724 (emit_tls_common): New function.
1725 (asm_emit_uninitialised): Delete.
1726 (assemble_variable_noswitch): New function, split out from...
1727 (assemble_variable): ...here. Don't make decisions about common
1728 variables here. Globalize all public decls that go into non-common
1729 sections. Check whether SYMBOL_REF_BLOCK is null.
1730 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
1731 (output_constant_pool): Likewise.
1732 (init_varasm_once): Initialize the new section variables.
1733 (have_global_bss_p): New function.
1734 (categorize_decl_for_section): Use bss_initializer_p.
1735 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
1736 (place_block_symbol): Assert that the symbol must be in a block.
1737 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
1738 (TARGET_INITIALIZER): Include it.
1739 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
1740 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
1741 (SECTION_MACH_DEP): Bump by two.
1742 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
1743 (unnamed_section): Mention SECTION_UNNAMED in comment.
1744 (named_section): Likewise SECTION_NAMED.
1745 (noswitch_section_callback): New type.
1746 (noswitch_section): New structure.
1747 (section): Add a noswitch_section alternative.
1748 (SECTION_STYLE): New macro.
1749 (tls_comm_section, comm_section, lcomm_section): Declare.
1750 (bss_noswitch_section, have_global_bss_p): Declare.
1751 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
1752 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
1754 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
1755 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
1758 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
1760 * gcc/tree-vrp.c (execute_vrp): Return value.
1761 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
1762 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
1763 * gcc/tree-complex.c (tree_lower_complex): Ditto.
1764 (tree_lower_complex_O0): Ditto.
1765 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
1766 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
1767 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
1768 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
1769 (execute_tail_calls): Ditto.
1770 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1771 * gcc/tree.h (init_function_for_compilation): Ditto.
1772 * gcc/ipa-cp.c (ipcp_driver): Ditto.
1773 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
1774 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
1775 * gcc/final.c (compute_alignments): Ditto.
1776 (rest_of_handle_final): Ditto.
1777 (rest_of_handle_shorten_branches): Ditto.
1778 (rest_of_clean_state): Ditto.
1779 * gcc/omp-low.c (execute_expand_omp): Ditto.
1780 (execute_lower_omp): Ditto.
1781 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
1782 * gcc/ipa-reference.c (static_execute): Ditto.
1783 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
1784 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
1785 (rest_of_handle_machine_reorg): Ditto.
1786 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
1787 * gcc/flow.c (recompute_reg_usage): Ditto.
1788 (rest_of_handle_remove_death_notes): Ditto.
1789 (rest_of_handle_life): Ditto.
1790 (rest_of_handle_flow2): Ditto.
1791 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
1792 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
1793 (do_ssa_store_ccp): Ditto.
1794 (execute_fold_all_builtins): Ditto.
1795 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
1796 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
1797 * gcc/ipa-pure-const.c (static_execute): Ditto.
1798 * gcc/cse.c (rest_of_handle_cse): Ditto.
1799 (rest_of_handle_cse2): Ditto.
1800 * gcc/web.c (rest_of_handle_web): Ditto.
1801 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
1802 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
1803 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
1804 * gcc/tree-nrv.c (tree_nrv): Ditto.
1805 (execute_return_slot_opt): Ditto.
1806 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
1807 (create_structure_vars): Ditto.
1808 * gcc/loop-init.c (rtl_loop_init): Ditto.
1809 (rtl_loop_done): Ditto.
1810 (rtl_move_loop_invariants): Ditto.
1811 (rtl_unswitch): Ditto.
1812 (rtl_unroll_and_peel_loops): Ditto.
1813 (rtl_doloop): Ditto.
1814 * gcc/gimple-low.c (lower_function_body): Ditto.
1815 (mark_used_blocks): Ditto.
1816 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
1817 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
1818 (cgraph_early_inlining): Ditto.
1819 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
1820 * gcc/jump.c (cleanup_barriers): Ditto.
1821 (purge_line_number_notes): Ditto.
1822 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
1823 (rest_of_handle_if_after_reload): Ditto.
1824 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
1825 (tree_ssa_loop_im): Ditto.
1826 (tree_ssa_loop_unswitch): Ditto.
1827 (tree_vectorize): Ditto.
1828 (tree_linear_transform): Ditto.
1829 (tree_ssa_loop_ivcanon): Ditto.
1830 (tree_ssa_empty_loop): Ditto.
1831 (tree_ssa_loop_bounds): Ditto.
1832 (tree_complete_unroll): Ditto.
1833 (tree_ssa_loop_prefetch): Ditto.
1834 (tree_ssa_loop_ivopts): Ditto.
1835 (tree_ssa_loop_done): Ditto.
1836 * gcc/predict.c (tree_estimate_probability): Ditto.
1837 * gcc/recog.c (split_all_insns_noflow): Ditto.
1838 (rest_of_handle_peephole2): Ditto.
1839 (rest_of_handle_split_all_insns): Ditto.
1840 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
1841 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
1842 (rest_of_handle_stack_adjustments): Ditto.
1843 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
1844 * gcc/function.c (instantiate_virtual_regs): Ditto.
1845 (init_function_for_compilation): Ditto.
1846 (rest_of_handle_check_leaf_regs): Ditto.
1847 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
1848 (rest_of_handle_gcse): Ditto.
1849 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
1850 * gcc/alias.c (rest_of_handle_cfg): Ditto.
1851 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
1852 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
1853 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
1854 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
1855 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
1856 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
1857 * gcc/except.c (set_nothrow_function_flags): Ditto.
1858 (convert_to_eh_region_ranges): Ditto.
1859 (rest_of_handle_eh): Ditto.
1860 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
1861 (remove_unnecessary_notes): Ditto.
1862 * gcc/except.h (set_nothrow_function_flags): Ditto.
1863 (convert_to_eh_region_ranges): Ditto.
1864 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
1865 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
1866 * gcc/tree-ssa-pre.c (do_pre): Ditto.
1867 (execute_fre): Ditto.
1868 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
1869 (rest_of_handle_jump2): Ditto.
1870 * gcc/tree-sra.c (tree_sra): Ditto.
1871 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
1872 (execute_mudflap_function_decls): Ditto.
1873 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
1874 (do_store_copy_prop): Ditto.
1875 * gcc/ipa-prop.h (ipcp_driver): Ditto.
1876 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
1877 * gcc/tree-ssa-forwprop.c
1878 (tree_ssa_forward_propagate_single_use_vars): Ditto.
1879 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
1880 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
1881 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
1882 (execute_late_warn_uninitialized): Ditto.
1883 * gcc/rtl.h (cleanup_barriers): Ditto.
1884 (split_all_insns_noflow): Ditto.
1885 (purge_line_number_notes): Ditto.
1886 (unshare_all_rtl): Ditto.
1887 (remove_unnecessary_notes): Ditto.
1888 (recompute_reg_usage): Ditto.
1889 (variable_tracking_main): Ditto.
1890 * gcc/integrate.c (emit_initial_value_sets): Ditto.
1891 * gcc/integrate.h (emit_initial_value_sets): Ditto.
1892 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
1893 (execute_free_cfg_annotations): Ditto.
1894 (execute_fixup_cfg): Ditto.
1895 (execute_cleanup_cfg_pre_ipa): Ditto.
1896 (execute_cleanup_cfg_post_optimizing): Ditto.
1897 (execute_init_datastructures): Ditto.
1898 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
1899 * gcc/combine.c (rest_of_handle_combine): Ditto.
1900 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
1901 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
1902 (rest_of_handle_reorder_blocks): Ditto.
1903 (rest_of_handle_partition_blocks): Ditto.
1904 * gcc/var-tracking.c (variable_tracking_main): Ditto.
1905 * gcc/tree-profile.c (tree_profiling): Ditto.
1906 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
1907 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
1908 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
1909 (rest_of_handle_sched2): Ditto.
1910 * gcc/basic-block.h (free_bb_insn): Ditto.
1911 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
1912 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
1913 (remove_useless_stmts): Ditto.
1914 (split_critical_edges): Ditto.
1915 (execute_warn_function_return): Ditto.
1916 (execute_warn_function_noreturn): Ditto.
1917 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
1918 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
1919 * gcc/passes.c (execute_one_pass): Run additional
1920 todos returned by execute function.
1921 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
1924 2006-03-02 Richard Guenther <rguenther@suse.de>
1926 * tree-ssa-alias.c (find_used_portions): Consider taking
1927 the address as making the variable not write-only.
1929 2006-03-02 Nick Clifton <nickc@redhat.com>
1931 * config.gcc (default_use_cxa_atexit): Extend the description of
1932 this configure variable. Set its default value to "yes" for
1933 Linux, NetBSD and ELF targets on the assumption that they will
1934 use C libraries with the __cxa_atexit function.
1936 2006-03-02 Ben Elliston <bje@au.ibm.com>
1938 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
1939 parameter as unused to suppress a build warning.
1941 2006-03-02 Ben Elliston <bje@au.ibm.com>
1943 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
1946 2006-03-01 Roger Sayle <roger@eyesopen.com>
1949 * gthr-posix.h (__gthrw2): Define to take three parameters, the
1950 declared name, the weak reference name, and the typeof name.
1951 (__gthrw): Avoid expanding the declared name suffix.
1952 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
1954 2006-03-01 Jakub Jelinek <jakub@redhat.com>
1956 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
1958 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
1959 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
1960 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
1961 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
1962 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
1963 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
1964 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
1965 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
1966 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
1967 DW_DS_leading_separate, DW_DS_trailing_separate): New.
1968 (DW_END_default, DW_END_big, DW_END_little): New.
1969 (DW_END_lo_user, DW_END_hi_user): Define.
1970 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
1971 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
1972 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
1975 2006-03-01 Diego Novillo <dnovillo@redhat.com>
1977 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
1979 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
1981 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
1983 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
1985 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
1986 to 'symbol_mem_tag'.
1988 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
1991 2006-03-01 Roger Sayle <roger@eyesopen.com>
1993 * builtins.c (fold_builtin_copysign): Delete unreachable code.
1995 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
1998 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
1999 MACHO_DYNAMIC_NO_PIC_P.
2000 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
2002 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2005 * config/darwin-protos.h (darwin_asm_output_anchor):
2007 * config/darwin-sections.def (cstring_section):
2008 Add SECTION_MERGE to the flags.
2009 (literal4_section): Likewise.
2010 (literal8_section): Likewise.
2011 (objc_selector_refs_section): Likewise.
2012 (objc_cls_refs_section): Likewise.
2013 * config/darwin.c (darwin_asm_output_anchor): New
2015 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
2017 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
2019 Fix PR tree-optimization/26443
2020 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
2021 to todo and PROP_tmt_usage to properties_destroyed.
2022 * tree-ssa-ccp.c (pass_ccp): Ditto.
2023 (pass_store_ccp): Ditto.
2024 * tree-ssa-dom.c (pass_dominator): Ditto.
2026 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2028 * tree-ssa-operands.c: Cleanup whitespace.
2029 (get_asm_expr_operands): Move before first invocation.
2030 (get_indirect_ref_operands): Likewise.
2031 (get_tmr_operands): Likewise.
2032 (get_call_expr_operands): Likewise.
2033 (append_def): Likewise.
2034 (append_use): Likewise.
2035 (append_v_may_def): Likewise.
2036 (append_v_must_def): Likewise.
2037 (add_call_clobber_ops): Likewise.
2038 (add_call_read_ops): Likewise.
2039 (add_stmt_operand): Likewise.
2040 (add_virtual_operand): Likewise.
2041 (build_ssa_operands): Likewise.
2043 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2048 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
2049 with a call expr to ...
2050 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
2052 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2054 * tree-vrp.c (extract_range_from_assert): Remove special
2055 handling for types with super-types.
2057 2006-03-01 Ben Elliston <bje@au.ibm.com>
2059 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
2060 and powerpc64-*-linux* configurations.
2061 * config/t-dfprules: New file.
2063 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
2064 Compile dfp-bit.c from the source directory using -DWIDTH and
2065 $DFP_CFLAGS to control the compilation of that file, rather than
2066 generating width-specific versions in the build directory.
2067 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
2068 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
2070 2006-02-28 Zack Weinberg <zackw@panix.com>
2072 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
2075 2006-02-28 Eric Christopher <echristo@apple.com>
2077 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
2078 Set up IN_LIBGCC definition of TARGET_64BIT.
2079 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
2081 2006-02-28 Roger Sayle <roger@eyesopen.com>
2084 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
2085 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
2086 cases via the construction of "expr != 0".
2088 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
2090 * alias.c (alias_invariant, alias_invariant_size): Remove.
2091 (record_base_value): Remove.
2092 (memrefs_conflict_p): Don't look at alias_invariant.
2093 (end_alias_analysis): Don't free it.
2094 * alias.h (record_base_value): Remove prototype.
2096 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
2097 Adam Nemet <anemet@caviumnetworks.com>
2099 * rtl.h (truncated_to_mode): Declare it.
2100 (struct rtl_hooks): Add reg_truncated_to_mode hook.
2101 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
2102 (RTL_HOOKS_INITIALIZER): Include it.
2103 * rtlhooks.c (reg_truncated_to_mode_general): New function.
2104 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
2105 reg_truncated_to_mode.
2106 * rtlanal.c (truncated_to_mode): Define it.
2107 * simplify-rtx.c (simplify_unary_operation_1): Use it.
2109 2006-02-28 Jeff Law <law@redhat.com>
2111 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
2112 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
2113 the range allowed by TYPE_PRECISION.
2115 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
2117 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
2119 PR tree-optimization/26419
2120 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
2123 2006-02-27 Zack Weinberg <zackw@panix.com>
2125 * doc/md.texi: Fix typo in previous change.
2127 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
2131 2006-02-27 Zack Weinberg <zackw@panix.com>
2133 * rtl.def (define_constraint, define_register_constraint)
2134 (define_memory_constraint, define_address_constraint): New MD forms.
2135 * gensupport.c (process_rtx): Put define_constraint etc on the
2137 * genpreds.c (process_define_predicate): Adjust comment. Validate
2138 the name, and call validate_exp to validate the expression.
2139 (mark_mode_tests, write_extract_subexp): Can assume correct input.
2140 (write_predicate_expr): Likewise. NAME argument no longer necessary;
2141 all callers changed.
2142 (validate_exp, needs_variable, struct constraint_data)
2143 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
2144 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
2145 (const_dbl_constraints, constraint_max_namelen)
2146 (have_register_constraints, have_memory_constraints)
2147 (have_address_constraints, have_address_constraints)
2148 (have_extra_constraints, have_const_int_constraints)
2149 (have_const_dbl_constraints, mangle, add_constraint)
2150 (process_define_constraint, process_define_register_constraint)
2151 (write_enum_constraint_num, write_lookup_constraint)
2152 (write_insn_constraint_len, write_regclass_for_constraint)
2153 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
2154 (write_insn_extra_memory_constraint)
2155 (write_insn_extra_address_constraint)
2156 (write_satisfies_constraint_fns): New.
2157 (write_tm_preds_h): If we have new-style constraint definitions,
2158 prototype the functions generated from them, and define the
2159 old constraint interface (still used by generic code) in terms of
2161 (write_insn_preds_c): If we have new-style constraint definitions,
2162 generate all relevant functions from those definitions.
2163 (main): Handle define_constraint etc.
2164 * genoutput.c (struct constraint_data, indep_constraints)
2165 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
2166 (mdep_constraint_len): New data structures and functions, defined
2167 #ifdef USE_MD_CONSTRAINTS.
2168 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
2169 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
2170 use new logic to validate operand constraints against constraint
2172 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
2174 * defaults.h: If none of the old-style constraint macros are
2175 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
2176 old-style macros; and poison REG_CLASS_FROM_LETTER,
2177 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
2179 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
2180 * doc/md.texi: Document new constraint-definition mechanism and the
2181 C interface it provides. Remove references to old mechanism
2182 elsewhere in the document.
2183 (Machine Constraints): Use pathnames relative to gcc directory,
2184 i.e. config/ARCH/FILE. Change i386 section to refer to
2185 config/i386/predicates.md; update that section to match docstrings.
2186 * doc/tm.texi: Move all documentation of the old constraint-
2187 definition macros to their own section, clearly mark as obsolete.
2189 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
2190 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
2192 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
2193 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
2194 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
2196 (splits and peepholes): Use satisfies_constraint_*.
2197 * config/i386/i386.c (memory_address_length)
2198 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
2200 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
2202 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
2203 scalar operation to be put back into the loop.
2205 2006-02-27 Jakub Jelinek <jakub@redhat.com>
2208 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
2209 (extract_cie_info): Handle S flag in augmentation string.
2210 (execute_cfa_program): If context->signal_frame, execute also
2211 fs->pc == context->ra instructions.
2212 (uw_frame_state_for): If context->signal_frame, don't subtract one
2213 from context->ra to find FDE.
2214 (uw_update_context_1): Set context->signal_frame to
2216 (_Unwind_GetIPInfo): New function.
2217 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
2218 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
2220 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
2221 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
2222 * unwind-compat.c (_Unwind_GetIPInfo): New function.
2223 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
2224 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
2225 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
2226 * config/i386/linux-unwind.h (x86_fallback_frame_state,
2227 x86_64_fallback_frame_state): Set fs->signal_frame.
2228 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
2229 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
2230 (frob_update_context): Likewise. Workaround missing S flag in
2231 Linux 2.6.12 - 2.6.16 kernel vDSOs.
2232 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
2233 Remove the psw_addr + 1 hack.
2235 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
2237 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
2238 with aggregates here.
2239 (find_func_aliases): Remove code for &<aggregate> from here.
2241 2006-02-26 Roger Sayle <roger@eyesopen.com>
2243 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
2244 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
2245 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
2248 2006-02-26 Roger Sayle <roger@eyesopen.com>
2251 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
2253 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
2255 * opts.c (decode_options): Do not handle flag_strength_reduce.
2256 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
2257 and OPT_fstrength_reduce.
2258 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
2259 flag_prefetch_loop_arrays for being nonzero.
2260 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
2262 (fprefetch-loop-arrays-rtl): Removed.
2263 (flag_prefetch_loop_arrays): Do not specify the value.
2265 * doc/passes.texi: Update documentation of loop optimizer
2267 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
2268 -frerun-loop-opt): Remove.
2270 2006-02-26 Richard Guenther <rguenther@suse.de>
2272 PR tree-optimization/26421
2273 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
2274 in function calls that are ADDR_EXPRs as using the whole structure.
2276 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
2278 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
2279 * tree-pass.h (pass_loop_optimize): Remove.
2280 * passes.c (pass_loop_optimize): Never run it.
2281 * toplev.c (backend_init): Don't call init_loop.
2282 * opts.c (flag_loop_optimize_set): Remove.
2283 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
2284 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
2285 the old RTL loop optimizer when profiling enabled.
2286 * predict.c (tree_estimate_probability): Always strip builtin_expect.
2287 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
2288 pre-headers for the sake of the old RTL loop optimizer.
2289 * Makefile.in: Remove all references to loop.o.
2291 * doc/invoke.texi: Remove all references to -floop-optimize
2292 and -frerun-loop-opt.
2294 2006-02-26 Zack Weinberg <zackw@panix.com>
2296 * doc/md.texi (Machine Constraints): Refer to all files with paths
2297 relative to gcc directory (i.e. config/CPU/file). Add missing
2298 @table @code ... @end table to M32C subsection.
2300 2006-02-26 Roger Sayle <roger@eyesopen.com>
2302 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
2304 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
2306 2006-02-26 Roger Sayle <roger@eyesopen.com>
2307 James A. Morrison <phython@gcc.gnu.org>
2310 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
2311 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
2312 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
2313 signedness of the shift operation.
2315 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
2317 PR tree-optimization/26359
2318 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
2320 2006-02-25 Roger Sayle <roger@eyesopen.com>
2322 * simplify-rtx.c (simplify_relational_operation_1): Simplify
2323 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
2324 as X == 0, and some symmetry related transformations.
2325 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
2327 2006-02-25 Roger Sayle <roger@eyesopen.com>
2330 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
2331 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
2332 symmetry related transformations. Fold (X^C1) == C2 as
2335 2006-02-25 Juergen Weigert <jw@suse.de>
2336 Richard Guenther <rguenther@suse.de>
2338 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
2340 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
2342 * combine.c (gen_lowpart_or_truncate): Call
2343 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
2345 2006-02-24 Diego Novillo <dnovillo@redhat.com>
2347 * doc/invoke.texi: Move -fopenmp description to "Options for
2349 Remove reference to -lgomp.
2351 2006-02-24 David Edelsohn <edelsohn@gnu.org>
2353 * doc/install.texi: Require GNU tar version 1.14.
2355 2006-02-24 Geoffrey Keating <geoffk@apple.com>
2357 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
2358 * doc/invoke.texi (C++ Dialect Options): Document
2359 -fno-use-cxa-get-exception-ptr.
2360 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
2361 * configure: Regenerate.
2362 * c.opt (fuse-cxa-get-exception-ptr): New.
2363 * c-opts.c (c_common_handle_option): Handle
2364 OPT_fuse_cxa_get_exception_ptr.
2365 * c-common.c (flag_use_cxa_atexit): Update documentation.
2366 (flag_use_cxa_get_exception_ptr): New.
2367 * c-common.h (flag_use_cxa_get_exception_ptr): New.
2368 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
2370 (C_COMMON_OVERRIDE_OPTIONS): New.
2372 2006-02-24 Roger Sayle <roger@eyesopen.com>
2375 * combine.c (try_combine): Explicitly check whether GET_CODE is
2376 a SET or a CLOBBER, instead on checking that it isn't a USE.
2378 2006-02-24 Roger Sayle <roger@eyesopen.com>
2380 * fold-const.c (fold_comparison): New subroutine of fold_binary
2381 containing transformations common to both the equality and
2382 ordering relational operators, factored out of fold_binary.
2383 (fold_binary): Separate out the equality operators (EQ_EXPR
2384 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
2385 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
2386 transformations common to both.
2387 (fold_div_compare): Fix latent bugs in the previously unreachable
2388 LT_EXPR and GE_EXPR cases.
2390 2006-02-24 David Edelsohn <edelsohn@gnu.org>
2392 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
2393 decl libname for clog to __clog on AIX.
2395 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
2397 2006-02-24 Alan Modra <amodra@bigpond.net.au>
2400 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
2401 output traceback table for thunks. Localise rs6000_stack_info call.
2403 2006-02-23 Roger Sayle <roger@eyesopen.com>
2404 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2406 * gthr-posix.h (__gthrw): Fix typo in comment.
2408 2006-02-23 Geoffrey Keating <geoffk@apple.com>
2410 * doc/cpp.texi (Character sets): Document that we do support
2411 input files to be in any character set.
2413 2006-02-23 Jeff Law <law@redhat.com>
2415 * tree.h (PHI_ARG_NONZERO): Remove.
2416 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
2417 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
2418 node to the new node.
2420 PR tree-optimization/26425
2421 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
2422 min/max, then assume its varying.
2424 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
2426 PR rtl-optimization/26316
2427 * rtlanal.c (enum may_trap_p_flags): New.
2428 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
2429 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
2430 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
2431 (may_trap_after_code_motion_p): New function.
2432 * loop-invariant.c (find_identical_invariants): Fix dump formating.
2433 (find_invariant_insn): Use may_trap_after_code_motion_p.
2434 * rtl.h (may_trap_after_code_motion_p): Declare.
2436 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
2438 * emit-rtl.c (immed_double_const): Cleanup.
2440 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
2442 Fix PR tree-optimization/26376
2443 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
2446 2006-02-23 Jakub Jelinek <jakub@redhat.com>
2449 * gimplify.c (omp_add_variable): Guard variable size decl test with
2450 DECL_SIZE (decl) check.
2452 2006-02-23 Richard Guenther <rguenther@suse.de>
2455 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
2456 like aggregate types.
2458 2006-02-23 Jakub Jelinek <jakub@redhat.com>
2460 * configure.ac: Add --with{,out}-long-double-128 configure option.
2461 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
2462 * configure: Rebuilt.
2463 * config.in: Rebuilt.
2464 * doc/install.texi (Options specification): Document
2465 --with-long-double-128.
2467 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
2468 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
2469 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
2470 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
2472 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
2474 * config/s390/s390.c (override_options): Handle
2475 TARGET_DEFAULT_LONG_DOUBLE_128.
2477 * config/alpha/alpha.c (override_options): Handle
2478 TARGET_DEFAULT_LONG_DOUBLE_128.
2480 * config/sparc/sparc.c (sparc_override_options): Handle
2481 TARGET_DEFAULT_LONG_DOUBLE_128.
2483 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
2485 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
2486 (real-install-headers-tar, real-install-headers-cpio)
2487 (real-install-headers-cp): New targets.
2489 2006-02-22 Richard Sandiford <richard@codesourcery.com>
2491 * tree.h (variable_section): Delete.
2492 * varasm.c (variable_section): Delete.
2494 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
2496 * install.texi: Add notes on install.texi2html.
2497 (Building in parallel): Do not use footnotes.
2499 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
2502 * doc/install.texi (Configuration): Document --disable-libgomp.
2504 2006-02-21 Geoffrey Keating <geoffk@apple.com>
2506 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
2508 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
2510 * config/i386/sse.md (vec_extractv2df_1_sse): New.
2511 (vec_extractv2df_0_sse): New.
2513 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
2515 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
2516 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
2517 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
2518 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
2519 to the result of the expression.
2520 (def_cfa_1): Adjust.
2521 (frame_pointer_cfa_offset): Rename to...
2522 (frame_pointer_fb_offset): ... this. Adjust all uses.
2523 (convert_cfa_to_loc_list): Rename to...
2524 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
2525 Pass it on to build_cfa_loc.
2526 (compute_frame_pointer_to_cfa_displacement): Rename to...
2527 (compute_frame_pointer_to_fb_displacement): ... this. New
2528 offset parameter. Use it in computation.
2529 (gen_subprogram_die): Compute cfa_fb_offset with the new
2530 macro, and use it to compute the fb loc list and the
2533 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
2535 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
2536 replaced with register_operand.
2537 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
2538 non-DREG is expensive.
2539 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
2540 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
2543 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
2545 * doc/install.texi2html: Use set -e.
2547 2006-02-21 Richard Sandiford <richard@codesourcery.com>
2549 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
2550 (ASM_OUTPUT_SHARED_LOCAL): Delete.
2551 * doc/invoke.texi (-fshared-data): Delete.
2552 * common.opt (fshared-data): Delete.
2553 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
2554 (assemble_static_space): Remove #if 0 code.
2555 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
2556 (ASM_OUTPUT_SHARED_LOCAL): Poison.
2557 * config/cris/cris.h: Remove FIXME.
2559 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
2561 * doc/sourcebuild.texi (Front End Directory): No more double-colon
2564 2006-02-21 Jakub Jelinek <jakub@redhat.com>
2567 * combine.c (simplify_shift_const_1): Disable nested shifts
2568 optimization for vector shifts.
2570 2006-02-20 Roger Sayle <roger@eyesopen.com>
2572 PR tree-optimization/26361
2573 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
2574 of unsigned integer types.
2576 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
2578 * tree-chrec.c (eq_evolutions_p): New.
2579 * tree-chrec.h (eq_evolutions_p): Declared.
2580 * tree-data-ref.c: Fix formatting.
2581 (datadep_stats, dependence_stats): New.
2583 (print_direction_vector): New.
2584 (dump_data_dependence_relation): Use print_direction_vector.
2585 (object_analysis, create_data_ref): Handle COMPONENT_REF.
2586 (compute_subscript_distance): Static.
2587 (initialize_data_dependence_relation): Static. Get the number
2588 of loops surrounding the references from the callers, and initialize
2589 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
2590 base_object_differ_p analyzers.
2591 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
2592 compute_overlap_steps_for_affine_1_2,
2593 analyze_subscript_affine_affine): Count the classified dependences.
2594 Print a message when a test failed.
2595 (can_use_analyze_subscript_affine_affine): New.
2596 (analyze_siv_subscript): Compute the data dependences on symbolic
2597 scevs that verify can_use_analyze_subscript_affine_affine.
2598 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
2599 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
2600 Handle symbolic scevs.
2601 (analyze_overlapping_iterations): Let symbolic affine scevs to be
2603 (subscript_dependence_tester): Moved...
2604 (build_classic_dist_vector, build_classic_dir_vector): Don't use
2605 lambda_vector_clear on newly allocated vectors. Get nb_loops from
2606 DDR_SIZE_VECT instead of getting it in parameter.
2607 (subscript_dependence_tester): ... here. Take as a parameter
2608 loop_nest_depth. Call build_classic_dist_vector and
2609 build_classic_dir_vector.
2610 (compute_affine_dependence): Update subscript_dependence_tester
2611 parameters. Update datadep_stats counters. Call
2612 compute_subscript_distance.
2613 (compute_self_dependence): Save the dist and dir vectors. Call
2614 compute_subscript_distance.
2615 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
2616 (compute_all_dependences): Reorder parameters as they were before
2617 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
2618 compute_subscript_distance. Update the use of
2619 compute_affine_dependence and initialize_data_dependence_relation.
2620 (find_data_references_in_loop): Handle COMPONENT_REF.
2621 (compute_data_dependences_for_loop): Initialize dependence_stats.
2622 Don't call build_classic_dist_vector and build_classic_dir_vector.
2623 Update the parameters of initialize_data_dependence_relation and
2624 compute_all_dependences. Print the statistics from datadep_stats.
2625 (analyze_all_data_dependences): Static. Not used until the pass for
2626 checking the data dependences is contributed.
2627 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
2628 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
2629 (initialize_data_dependence_relation, compute_affine_dependence,
2630 analyze_all_data_dependences, compute_subscript_distance): Removed.
2631 (print_direction_vector): New.
2632 * lambda.h (gcd): ... here.
2633 (lambda_vector_gcd): Moved here from gcd_vector.
2634 * lambda-code.c (gcd, gcd_vector): Removed.
2635 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
2636 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
2638 2006-02-20 Diego Novillo <dnovillo@redhat.com>
2640 * ipa-type-escape.c: Tidy some comments and white space.
2641 * tree-ssa-operands.c: Likewise.
2643 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
2646 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
2647 (dump_decl_name): Do not walk the decl tree chains.
2648 * tree-pass.h (TDF_CHAIN): Remove.
2650 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
2652 * Makefile.in (C): Remove
2654 (.PHONY): Remove C and PROTO
2656 2006-02-20 Roger Sayle <roger@eyesopen.com>
2659 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
2660 deprecated CHAR_TYPE tree code.
2662 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
2664 * configure.ac (target_list): Add install-info, dvi, html.
2665 * configure: Regenerate.
2667 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
2668 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
2669 treelang/Make-lang.in: Do not use double-colon rules.
2671 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
2673 * tree.h (struct tree_memory_tag): Add is_used_alone member.
2674 (TMT_USED_ALONE): New macro.
2675 * tree-pass.h (PROP_tmt_usage): New property.
2676 (TODO_update_tmt_usage): New todo.
2677 * tree-ssa-alias.c (updating_used_alone): New variable.
2678 (recalculate_used_alone): New function.
2679 (compute_may_aliases): Set updating_used_alone, call
2680 recalculate_used_alone.
2681 * tree-sra.c (pass_sra): Note that this pass destroys
2682 PROP_tmt_usage, and add TODO_update_tmt_usage.
2683 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
2684 * tree-flow.h (updating_used_alone): Prototype.
2685 (recalculate_used_alone): Ditto.
2686 * passes.c (execute_todo): Add code to set updating_used_alone,
2687 and call recalculate.
2688 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
2689 for clobber if used alone, and add assert to verify used_alone
2692 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
2694 * config/s390/s390.c (legitimize_pic_address): Assertions checking
2695 for non tls symbols added.
2696 (legitimize_address): Do nothing for PLUS expressions if one of the
2697 addends is a tls symbol reference.
2699 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
2703 * Makefile.in (LDFLAGS): Define from autoconf substitution.
2705 * Makefile.in (BOOTSTRAPPING): New.
2706 (quickstrap): New definition if BOOTSTRAPPING=yes.
2708 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
2709 * configure.ac: Substitute all_selected_languages with the languages
2710 that were configured. For all the other variables except
2711 lang_specs_files, include all the languages in the tree.
2712 * configure: Regenerate.
2714 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
2715 if there is one. Run the commands to run fixincludes in the same
2718 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
2719 * doc/install.texi: Document exact conventions for searching target tools.
2720 Document --with-build-time-tools. Document toplevel bootstrap. Document
2721 something more about building an Ada cross-compiler. Don't list GNU Make
2722 requirements which affect all platforms.
2724 2006-02-19 Roger Sayle <roger@eyesopen.com>
2727 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
2728 only equivalent if the have both the same mode and precision.
2730 2006-02-20 Ben Elliston <bje@au.ibm.com>
2732 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
2734 2006-02-19 Roger Sayle <roger@eyesopen.com>
2735 Steven Bosscher <stevenb.gcc@gmail.com>
2737 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
2738 constant pool references to identify stack mode constants.
2739 * rtlanal.c (constant_pool_constant_p): New predicate to check
2740 whether operand is a floating point constant in the pool.
2741 * rtl.h (constant_pool_constant_p): Prototype here.
2742 * loop.c (scan_loop): Avoid hoisting constants from the constant
2743 pool on STACK_REGS targets.
2744 (load_mems): Likewise.
2745 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
2746 loads into x87 registers expensive in terms of register pressure.
2748 2006-02-19 Roger Sayle <roger@eyesopen.com>
2750 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
2751 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
2753 2006-02-19 David Edelsohn <edelsohn@gnu.org>
2755 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
2756 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
2758 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
2760 * doc/invoke.texi: Document -fipa-pta.
2761 * common.opt: Add ipa-pta option.
2762 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
2763 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
2764 (do_ds_constraint): Ditto.
2765 (get_constraint_for): Only add to referenced_vars if
2766 referenced_vars exists.
2767 (insert_into_field_list): Rewrite to do this unsorted.
2768 (insert_into_field_list_sorted): Rename old insert_into_field_list
2770 (create_function_info_for): Use insert_into_field_list_sorted.
2771 (create_variable_info_for): Rewrite so it uses unsorted version,
2772 since the field list is sorted.
2773 (intra_create_variable_infos): Only add to referenced_vars if
2774 referenced_vars exists.
2775 (ipa_pta_execute): Init heapvars, and delete when done.
2776 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
2778 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2780 * doc/install.texi: Add missing `@samp'.
2782 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
2784 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
2787 2006-02-18 Mark Wielaard <mark@klomp.org>
2789 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
2790 who added new 4.1 features, bug fixes and integration support.
2792 2006-02-18 David Edelsohn <edelsohn@gnu.org>
2795 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
2798 2006-02-18 Richard Sandiford <richard@codesourcery.com>
2800 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
2801 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
2802 (copy_insn_1): Likewise. Don't copy each field individually.
2804 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
2806 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
2807 * rtl.c (rtx_size): Rename variable to...
2808 (rtx_code_size): ...this.
2809 (rtx_size): New function.
2810 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
2811 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
2813 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
2814 * rtl.h (rtx_code_size): New variable.
2815 (rtx_size): Change from a variable to a function.
2816 (RTX_SIZE): Rename to...
2817 (RTX_CODE_SIZE): ...this.
2820 PR tree-optimization/17106
2821 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
2822 (Anchored Addresses): New section.
2823 * doc/invoke.texi (-fsection-anchors): Document.
2824 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
2825 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
2826 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
2827 * hooks.c (hook_bool_mode_rtx_false): New function.
2828 * hooks.h (hook_bool_mode_rtx_false): Declare.
2829 * gengtype.c (create_optional_field): New function.
2830 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
2831 SYMBOL_REF_IN_BLOCK_P is true.
2832 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
2833 (min_anchor_offset, max_anchor_offset): Likewise.
2834 (use_anchors_for_symbol_p): New hook.
2835 * toplev.c (compile_file): Call output_object_blocks.
2836 (target_supports_section_anchors_p): New function.
2837 (process_options): Check that -fsection-anchors is only used on
2838 targets that support it and when -funit-at-a-time is in effect.
2839 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
2840 if the decl doesn't have one.
2841 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
2842 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
2843 of force_const_mem through use_anchored_address.
2844 (expand_expr_constant): New function.
2845 (expand_expr_addr_expr_1): Call it. Use the same modifier when
2846 calling expand_expr for INDIRECT_REF.
2847 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
2848 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
2849 * expr.h (use_anchored_address): Declare.
2850 * loop-unroll.c: Don't declare rtx vectors here.
2851 * explow.c: Include output.h.
2852 (validize_mem): Call use_anchored_address.
2853 (use_anchored_address): New function.
2854 * common.opt (-fsection-anchors): New switch.
2855 * varasm.c (object_block_htab, anchor_labelno): New variables.
2856 (hash_section, object_block_entry_eq, object_block_entry_hash)
2857 (use_object_blocks_p, get_block_for_section, create_block_symbol)
2858 (use_blocks_for_decl_p, change_symbol_section): New functions.
2859 (get_variable_section): New function, split out from assemble_variable.
2860 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
2861 use_blocks_for_decl_p say so. Use change_symbol_section if the
2862 symbol has already been created.
2863 (assemble_variable_contents): New function, split out from...
2864 (assemble_variable): ...here. Don't output any code for
2865 block symbols; just pass them to place_block_symbol.
2866 Use get_variable_section and assemble_variable_contents.
2867 (get_constant_alignment, get_constant_section, get_constant_size): New
2868 functions, split from output_constant_def_contents.
2869 (build_constant_desc): Create a block symbol if use_object_blocks_p
2870 says so. Or into SYMBOL_REF_FLAGS.
2871 (assemble_constant_contents): New function, split from...
2872 (output_constant_def_contents): ...here. Don't output any code
2873 for block symbols; just pass them to place_section_symbol.
2874 Use get_constant_section and get_constant_alignment.
2875 (force_const_mem): Create a block symbol if use_object_blocks_p and
2876 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
2877 (output_constant_pool_1): Add an explicit alignment argument.
2878 Don't switch sections here.
2879 (output_constant_pool): Adjust call to output_constant_pool_1.
2880 Switch sections here instead. Don't output anything for block symbols;
2881 just pass them to place_block_symbol.
2882 (init_varasm_once): Initialize object_block_htab.
2883 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
2884 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
2885 (place_block_symbol, get_section_anchor, output_object_block)
2886 (output_object_block_htab, output_object_blocks): New functions.
2887 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
2888 (TARGET_ASM_OUT): Include it.
2889 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
2890 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
2891 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
2892 (TARGET_INITIALIZER): Include them.
2893 * rtl.c (rtl_check_failed_block_symbol): New function.
2894 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
2895 (block_symbol, object_block): New structures.
2896 (rtx_def): Add a block_symbol field to the union.
2897 (BLOCK_SYMBOL_CHECK): New macro.
2898 (rtl_check_failed_block_symbol): Declare.
2899 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
2900 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
2901 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
2902 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
2903 * output.h (output_section_symbols): Declare.
2904 (object_block): Name structure.
2905 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
2906 (default_use_anchors_for_symbol_p): Declare.
2907 * Makefile.in (RTL_BASE_H): Add vec.h.
2908 (explow.o): Depend on output.h.
2909 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
2910 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
2911 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
2912 (rs6000_use_blocks_for_constant_p): New function.
2914 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2916 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
2918 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
2921 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
2924 2006-02-18 Diego Novillo <dnovillo@redhat.com>
2926 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
2930 2006-02-18 Jakub Jelinek <jakub@redhat.com>
2933 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
2934 instead of DECL_REGISTER.
2936 2006-02-18 Olivier Hainque <hainque@adacore.com>
2939 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
2941 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
2944 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
2945 * opth-gen.awk: Handle Var and InverseMask together.
2946 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
2947 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
2948 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
2949 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
2951 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
2952 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
2953 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
2954 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
2955 LINUX_DYNAMIC_LINKER): Define.
2956 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
2957 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
2959 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2960 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
2961 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2962 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2963 (TARGET_C99_FUNCTIONS): Don't define.
2964 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
2965 GLIBC_DYNAMIC_LINKER.
2966 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
2967 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
2968 GLIBC_DYNAMIC_LINKER64): Define.
2969 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
2970 LINUX_DYNAMIC_LINKER64.
2971 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2972 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2973 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
2974 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2975 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2976 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2977 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
2978 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
2979 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
2980 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
2981 and LINUX_DYNAMIC_LINKER32.
2982 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2983 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2984 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
2985 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2986 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
2988 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
2989 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
2990 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
2991 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
2992 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
2993 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
2994 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
2995 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
2996 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
2997 LINUX_DYNAMIC_LINKER): Define.
2998 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
2999 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
3000 GLIBC_DYNAMIC_LINKER64): Define.
3001 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
3002 LINUX_DYNAMIC_LINKER64.
3003 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3004 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3005 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
3006 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3007 LINUX_DYNAMIC_LINKER): Define.
3008 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3009 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
3010 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
3011 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
3012 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
3013 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3014 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
3015 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
3016 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
3017 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3018 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3019 * doc/invoke.texi (-muclibc): Remove caveat about supported
3022 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
3024 * doc/cpp.texi (__TIMESTAMP__): Document.
3026 2006-02-17 Roger Sayle <roger@eyesopen.com>
3029 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
3030 C is one less than the width of X (and related transformations).
3031 * simplify-rtx.c (simplify_unary_operation_1): Transform
3032 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
3033 depending on STORE_FLAG_VALUE, were C is one less then the
3036 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
3038 Fix PR tree-optimization/26341
3039 * tree-ssa-operands.c (add_virtual_operand): Remove assert
3040 about NAME_MEMORY_TAG's.
3042 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3045 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
3046 with hardware float support, and software float support. Add fcpy
3047 alternative to hardware patterns. Add alternatives to copy between
3048 general and floating-point registers to the 32-bit pattern.
3049 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
3050 secondary reload to load a QI or HI mode constant into a floating
3052 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
3053 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
3055 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
3058 * config/rs6000/darwin.md (load_macho_picbase_si): Add
3060 (load_macho_picbase_di): Likewise.
3062 2006-02-16 Jeff Law <law@redhat.com>
3064 * tree-vrp.c (set_value_range_to_nonnegative): New function.
3065 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
3066 (ssa_name_nonzero_p): Likewise.
3067 (get_value_range): Return NULL if VRP is not running.
3068 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
3069 VRP routines do not discover a range.
3070 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
3071 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
3072 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
3073 (tree_expr_nonnegative_p): Similarly.
3074 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
3075 (restore_nonzero_vars_to_original_value): Remove.
3076 (unsafe_associative_fp_binop): Remove.
3077 (tree_ssa_dominator_optimize): Remove initialization and
3078 finalization of nonzero_vars and nonzero_vars_stack.
3079 (dom_opt_initialize_block): No longer push marker on
3081 (dom_opt_finalize_block): No longer call
3082 restore_nonzero_vars_to_original_value.
3083 (record_equivalences_from_phis): No longer look for
3084 nonzero PHI arguments.
3085 (cprop_into_successor_phis): No longer propagate nonzero
3086 property into PHI arguments. Lose unused argument. Caller
3088 (record_equivalences_from_stmt): No longer record nonzero
3089 values for SSA_NAMEs.
3090 (lookup_avail_expr): No longer use nonzero_vars.
3092 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
3093 for sizetype when sizetype is unsigned.
3095 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
3097 PR rtl-optimization/25603
3098 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
3099 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
3100 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
3101 with new meaning of SETS.
3103 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
3108 * config/linux.opt: New file.
3109 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
3110 LINUX_DYNAMIC_LINKER): Define.
3111 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
3112 * config.gcc (*-*-linux*): Define extra_options.
3113 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
3114 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
3115 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
3116 GLIBC_DYNAMIC_LINKER.
3117 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
3118 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3119 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3120 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3121 * doc/invoke.texi (GNU/Linux Options): New section.
3123 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3125 * config/sparc/sparc.md (setjmp): Rewrite.
3126 (setjmp_32): Delete.
3127 (setjmp_64): Likewise.
3129 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
3131 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
3134 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
3136 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
3139 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
3141 PR rtl-optimization/26296
3142 * Makefile.in (loop-invariant.c): Add except.h dependency.
3143 * loop-invariant.c: Include except.h.
3144 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
3146 2005-02-16 Paul Brook <paul@codesourcery.com>
3148 * reload1.c (emit_reload_insns): Invalidate dead input registers used
3151 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
3153 PR rtl-optimization/25636
3154 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
3155 when deciding whether an insn is an initializing insn.
3157 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
3159 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
3160 (tree_code_size): Ditto.
3161 * tree.h (struct tree_memory_tag): Remove parent_var.
3162 (struct tree_struct_field_tag): New.
3165 (union tree_node): Add sft member.
3166 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
3168 (create_sft): Add size and offset argument, set SFT_OFFSET and
3170 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
3171 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
3172 * tree-flow-inline.h (get_subvar_at): Update for
3173 SFT_OFFSET/SFT_SIZE.
3174 (var_can_have_subvars): Ditto.
3175 (overlap_subvar): Ditto.
3176 * print-tree.c (print_node): Print out interesting things for
3178 * tree-flow.h (struct subvar): Remove offset and size members.
3179 * tree-ssa-operands.c (get_expr_operands): Update for
3180 get_indirect_ref_operands changes.
3181 (get_indirect_ref_operands): Call add_virtual_operand instead of
3182 add_stmt_operand. Only recurse on base var if requested.
3183 (access_can_touch_variable): New function.
3184 (add_stmt_operand): Split virtual operand handling into ...
3185 (add_virtual_operand): Here. Add offset, size, and for_clobber
3186 arguments. Prune alias sets.
3187 (add_call_clobber_ops): Call add_virtual_operand.
3189 2006-02-15 Jakub Jelinek <jakub@redhat.com>
3192 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
3194 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
3195 than TREE_CODE as index into omp_clause_num_ops array.
3197 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
3199 PR rtl-optimization/26184
3200 * modulo-sched.c (generate_reg_moves): Free bitmap vector
3202 * modulo-sched.c (sms_schedule): Free g_arr pointer.
3203 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
3204 must_precede, must_follow and tobe_scheduled.
3207 * opts.c (common_handle_option): Free new_option pointer.
3208 * df-core.c (df_analyze): Free postorder pointer.
3210 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
3212 * Makefile.in: Fix the examples about the use of stamps
3214 2006-02-15 Michael Matz <matz@suse.de>
3218 * stor-layout.c (layout_decl): Zero-width bitfields aren't
3219 influenced by maximum_field_alignment or DECL_PACKED.
3220 (update_alignment_for_field): Ditto.
3221 (place_field): Ditto.
3222 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
3225 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
3227 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
3228 (debug_flow_info): Pass it.
3229 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
3230 * bb-reorder.c (reorder_basic_blocks): Likewise.
3231 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
3232 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
3233 * flow.c (life_analysis, recompute_reg_usage): Likewise.
3234 * gcse.c (gcse_main, bypass_jumps): Likewise.
3235 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
3236 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
3237 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
3238 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
3239 * rtl.h (dump_flow_info): Adjust prototype.
3240 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
3241 * var-tracking.c (variable_tracking_main): Likewise.
3242 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
3243 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
3246 2006-02-15 Marcin Dalecki <martin@dalecki.de>
3248 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
3251 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
3253 PR tree-optimization/26209
3254 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
3255 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
3257 * tree-cfg.c (replace_uses_by): Do not alter cfg.
3259 2006-02-14 Roger Sayle <roger@eyesopen.com>
3262 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
3263 (X,Y) and the corresponding symmetry related transformations.
3264 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
3265 (X,Y) and its symmetry related transformations.
3267 2006-02-14 Roger Sayle <roger@eyesopen.com>
3269 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
3272 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
3274 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
3276 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3279 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
3280 support COMDAT group.
3281 * configure: Regenerate.
3283 2006-02-14 Roger Sayle <roger@eyesopen.com>
3288 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
3290 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
3292 Fix PR tree-optimization/26260
3294 * doc/invoke.texi (max-fields-for-field-sensitive): Document
3296 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
3297 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
3298 * tree-ssa-structalias.c (create_variable_info_for): Use
3299 MAX_FIELDS_FOR_FIELD_SENSITIVE.
3301 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
3303 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
3305 * tree-ssa-loop-niter.c (number_of_iterations_ne,
3306 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
3307 of the ending condition.
3308 * tree-ssa-loop-manip.c: Include params.h.
3309 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
3310 tree_unroll_loop): New functions.
3311 * tree-pass.h (pass_loop_prefetch): Declare.
3312 * loop.c (rest_of_handle_loop_optimize): Test for
3313 -fprefetch-loop-arrays-rtl.
3314 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
3315 * timevar.def (TV_TREE_PREFETCH): New timevar.
3316 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
3317 pass_loop_prefetch): New.
3318 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
3319 (cleanup_tree_cfg_loop): Call scev_reset.
3320 * common.opt (fprefetch-loop-arrays-rtl): Add.
3321 * tree-ssa-loop-prefetch.c: New file.
3322 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
3323 (new_temp_expr_table): Initialize expr_vars.
3324 (free_temp_expr_table): Cleanup expr_vars.
3325 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
3326 expressions from being merged into one.
3327 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
3328 (struct tree_niter_desc): Add control, bound and cmp fields.
3329 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
3331 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
3332 (tree-cfgcleanup.o): Add SCEV_H dependency.
3333 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
3334 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
3336 2006-02-14 Richard Guenther <rguenther@suse.de>
3338 PR tree-optimization/26258
3339 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
3340 in PHI argument processing.
3342 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
3344 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
3345 new expression in the requested machine mode.
3347 2006-02-13 Roger Sayle <roger@eyesopen.com>
3349 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
3350 directly, instead let do_compare_rtx_and_jump handle this for us.
3351 * expr.c (expand_expr_real_1): Likewise.
3352 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
3353 before do_jump_by_parts_greater.
3354 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
3355 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
3357 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3359 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
3361 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
3363 PR rtl-optimization/26235
3364 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
3365 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
3368 2006-02-13 Jeff Law <law@redhat.com>
3370 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
3373 2006-02-13 Jakub Jelinek <jakub@redhat.com>
3376 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
3377 twice if decl is a builtin. When trying again, call get_callee_fndecl
3378 first to verify it is still a builtin.
3380 2006-02-13 Geoffrey Keating <geoffk@apple.com>
3382 * dwarf2out.c (base_type_die): Don't add AT_name here.
3383 (subrange_type_die): Don't add AT_name here.
3384 (modified_type_die): Rearrange code flow. Do add AT_name here.
3386 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
3388 PR rtl-optimization/26247
3389 PR rtl-optimization/26248
3390 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
3392 2006-02-13 Richard Sandiford <richard@codesourcery.com>
3394 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
3395 * config/fixtfdi.c: Likewise.
3396 * config/fixunstfdi.c: Likewise.
3397 * config/floatditf.c: Likewise.
3399 2006-02-13 Roger Sayle <roger@eyesopen.com>
3402 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
3403 into (X,C2) if C1 is a subset of the bits of C2. Transform
3404 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
3406 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
3408 2006-02-13 Josh Conner <jconner@apple.com>
3411 * varasm.c (function_section): Check for section name before
3412 calling select_section on targets that define
3413 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
3414 unlikely_text_section instead of hot_function_section if
3415 first_function_block_is_cold.
3417 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
3420 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
3422 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
3424 PR rtl-optimization/26222
3425 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
3426 after tree->rtl expansion.
3427 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
3428 before passing it to emit_move_insn.
3430 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
3432 * doc/invoke.texi (-Write-strings): Document that it is enabled by
3434 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
3435 Clarify documentation.
3436 * c-common.h (warn_write_strings): Remove.
3437 * c-common.c (warn_write_strings): Likewise.
3438 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
3441 2006-02-12 Roger Sayle <roger@eyesopen.com>
3444 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
3445 (do_jump_parts_zero_rtx): New function renamed from
3446 do_jump_parts_equality_rtx. Made static. Add a mode argument.
3447 (do_jump_parts_equality_rtx): New function split out from
3448 do_jump_parts_equality. Old implementation renamed as above.
3449 Call do_jump_parts_zero_rtx if either operand is zero.
3450 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
3451 do all of the heavy lifting.
3452 (do_compare_rtx_and_jump): Handle multi-word comparisons by
3453 calling either do_jump_by_parts_greater_rtx or
3454 do_jump_by_parts_equality_rtx.
3455 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
3456 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
3457 moved to do_compare_rtx_and_jump, call it directly.
3458 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
3459 mode argument. Call do_compare_rtx_and_jump.
3460 (emit_case_nodes): Update calls to do_jump_if_equal.
3462 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
3464 PR rtl-optimization/26225
3465 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
3467 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
3469 PR rtl-optimization/26232
3470 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
3472 2006-02-11 Jason Merrill <jason@redhat.com>
3475 * tree-inline.c (declare_return_variable): Just don't use the
3476 modify target if it's a gimple complex reg and the return slot
3479 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3481 * doc/contrib.texi: Update my entry.
3483 2006-02-10 Geoffrey Keating <geoffk@apple.com>
3485 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
3487 2006-02-10 Diego Novillo <dnovillo@redhat.com>
3489 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
3492 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
3494 * doc/invoke.texi (-floop-optimize2): Removed.
3495 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
3496 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
3497 Test flag_branch_on_count_reg only if HAVE_doloop_end.
3498 * common.opt (floop-optimize2): Removed.
3499 (fmove-loop-invariants): Enabled by default.
3501 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
3503 * tree-if-conv.c (combine_blocks): Free the result of
3504 get_loop_exit_edges.
3506 2006-02-10 Jeff Law <law@redhat.com>
3508 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
3510 PR tree-optimization/26213
3511 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
3512 loop trying to follow SSA_NAME_VALUE chains.
3514 2006-02-10 Richard Guenther <rguenther@suse.de>
3516 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
3517 deal with structures that end in implicitly variable sized arrays.
3519 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
3521 PR rtl-optimization/24762
3522 * df-scan.c (df_bb_refs_record): Record correct registers defined on
3525 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
3527 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
3528 (struct ivopts_data): Add regs_used field.
3529 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
3530 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
3531 instead of loop_data->regs_used;
3532 (free_loop_data): Do not free aux fields for loops.
3533 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
3534 and tree_ssa_iv_optimize_finalize.
3536 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
3538 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
3540 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
3543 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
3544 computing the effective result type.
3546 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
3549 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
3550 (tree_overlaps_hard_reg_set): Declare.
3551 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
3552 type and signature to match function type expected by walk_tree.
3553 (tree_overlaps_hard_reg_set): New function.
3554 (decl_conflicts_with_clobbers_p): Rename to:
3555 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
3556 Use tree_overlaps_hard_reg_set. Changed caller.
3557 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
3558 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
3559 * cris.c (cris_md_asm_clobbers): Likewise.
3561 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
3563 * reload1.c (emit_input_reload_insns): Delete code that tries to
3564 inherit using find_equiv_reg.
3566 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
3568 * c-common.h (flag_const_strings): Don't declare.
3569 * c-common.c (flag_const_strings): Remove.
3570 * c.opt (fconst_strings): Remove.
3571 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
3572 <OPT_Wwrite_strings>: Don't set flag_const_strings.
3573 (c_common_init_options): Don't set flag_const_strings.
3574 * doc/invoke.texi (-fno-const-strings): Remove documentation.
3576 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
3578 * arm.md (tlobits_cbranch): New pattern.
3579 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
3580 testing a single bit.
3582 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
3585 * tree-ssa-pre.c (create_component_ref_by_pieces):
3586 Handle RETURN_DECL like VAR_DECL.
3588 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
3591 * fold-const.c (fold_indirect_ref_1): Fold
3592 "*(foo *)&complexfoo" to "__real__ complexfoo"
3593 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
3595 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
3597 * tree-flow-inline.h (var_can_have_subvars):
3598 Volatile variables should not have subvariables.
3600 2006-02-09 Diego Novillo <dnovillo@redhat.com>
3603 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
3604 multiplying unsigned values.
3607 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
3609 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
3611 2006-02-08 Jason Merrill <jason@redhat.com>
3614 * tree.def: Elaborate on difference from MODIFY_EXPR.
3615 * doc/c-tree.texi (INIT_EXPR): Likewise.
3616 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
3617 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
3618 (gimplify_target_expr): Likewise.
3619 (gimplify_cond_expr): Remove target handling.
3620 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
3621 (gimplify_expr): Clobber it here.
3622 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
3623 Do return slot optimization if we have an INIT_EXPR.
3626 * tree-inline.c (declare_return_variable): Also clear
3627 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
3630 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
3633 * gimplify.c (gimplify_one_sizepos): Fix typo.
3635 2006-02-08 Jeff Law <law@redhat.com>
3637 PR tree-optimization/21417
3638 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
3639 across a backedge if the control statement at the end of the
3640 block is data dependent on other statements in the same block.
3641 (record_temporary_equivalences_from_stmts): Remove over-conservative
3642 test for threading across backedges.
3644 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
3645 control statement, handle all three special cases in the same
3646 manner as they all have the same desired solution. No longer
3647 special case edge flag updating when the post dominator is
3650 2006-02-08 Roger Sayle <roger@eyesopen.com>
3652 * tree.def (CHAR_TYPE): Remove.
3653 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
3654 * dwarf2out.c (base_type_die, is_base_type): Likewise.
3655 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
3656 (gen_string_type_die): Delete unreachable function.
3658 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
3659 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
3660 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
3661 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
3662 * builtins.c (type_to_class): Likewise.
3663 * fold-const.c (fold_convert, build_range_check,
3664 merge_ranges): Likewise.
3665 * expr.c (count_type_elements): Likewise.
3666 * c-pretty-print.c (pp_c_type_specifier): Likewise.
3667 * stor-layout.c (layout_type): Likewise.
3668 * ipa-type-escape.c (type_to_consider): Likewise.
3669 * gimplify.c (omp_firstprivatize_type_sizes,
3670 gimplify_type_sizes): Likewise.
3671 * explow.c (promote_mode): Likewise.
3672 * tree-sra.c (is_sra_scalar_type): Likewise.
3673 * varasm.c (output_constant): Likewise.
3674 * tree-inline.c (remap_type_1): Likewise.
3675 * convert.c (convert_to_pointer, convert_to_real,
3676 convert_to_integer, convert_to_complex): Likewise.
3678 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
3680 * df-scan.c (df_def_record_1): A set destination may
3681 be a parallel regardless of mode.
3683 2006-02-08 Roger Sayle <roger@eyesopen.com>
3686 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
3687 * config/mips/_tilib.c: Remove.
3688 * config/fixtfdi.c: New libgcc source file.
3689 * config/fixunstfdi.c: New source file.
3690 * config/floatditf.c: New source file.
3691 * config/floatunditf.c: New souce file.
3692 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
3693 files above instead of config/mips/_tilib.c.
3694 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
3696 2006-02-08 Jeff Law <law@redhat.com>
3698 PR tree-optimization/26169
3699 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
3702 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
3704 * df.h (DF_REG_SIZE): Return the length of the initialized
3707 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
3709 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
3710 __muldf3): Return a correctly signed zero.
3712 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
3714 * passes.c (register_one_dump_file): Accept the current properties
3715 instead of pass number. Adjust call to dump_register. Remove
3717 (register_dump_files): Now a wrapper around...
3718 (register_dump_files_1): ... this one. Do not modify the pass
3720 (next_pass_1): Cosmetic fix.
3721 (execute_todo): Keep second parameter only. Use curr_properties
3722 instead of fetching it from the pass structure. Check and set
3724 (execute_one_pass): Handle TODO_set_props. Use curr_properties
3725 instead of fetching it from the pass structure. Fix calls to
3726 execute_todo. Update curr_properties and initialize .vcg RTL dump
3727 after running the pass. Reset last_verified.
3728 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
3730 (FIRST_AUTO_NUMBERED_DUMP): New.
3731 (dump_register): Remove "num" parameter, assign it within the
3733 (get_dump_file_name): Modify template for dumps.
3734 * tree-dump.h (dump_register): Adjust prototype.
3735 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
3736 (PROP_trees): Add PROP_gimple_lomp.
3737 (TODO_set_props): New.
3738 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
3739 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
3740 * cfgexpand.c (pass_expand): Destroy PROP_trees.
3742 2006-02-08 Jakub Jelinek <jakub@redhat.com>
3744 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
3745 (sparc64-*-linux*): Likewise.
3746 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
3747 * config/sparc/t-linux: New file.
3748 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
3749 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
3750 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
3751 -m32 -mlong-double-128.
3753 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
3754 * config/alpha/t-linux: New file.
3755 * config/alpha/libgcc-alpha-ldbl.ver: New file.
3757 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
3758 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
3759 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
3760 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
3761 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
3762 (CPP_ARCH32_SPEC): Remove.
3764 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
3766 PR tree-optimization/26145
3767 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
3770 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3773 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
3774 >= 240000 when generating code for SOM runtime.
3775 (output_indirect_call): Don't use "b,l" instruction for indirect calls
3776 to $$dyncall when generating code for SOM runtime..
3778 2006-02-07 Dirk Mueller <dmueller@suse.com>
3781 * doc/invoke.texi (-Wsequence-point): Update documentation
3782 that -Wsequence-point is implemented for C++ as well.
3784 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
3786 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
3787 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
3788 (LIB_SPEC): Likewise.
3789 * doc/invoke.texi (SPARC options): Document -pthread.
3791 2006-02-07 Geoffrey Keating <geoffk@apple.com>
3793 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
3796 2006-02-07 Roger Sayle <roger@eyesopen.com>
3798 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
3799 Correct comment describing BOOLEAN_TYPE.
3801 2006-02-07 Dirk Mueller <dmueller@suse.com>
3803 * c.opt: C++ frontend supports -Wdiv-by-zero.
3804 * c-opts.c (c_common_handle_option): Remove dead case.
3806 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
3808 * configure.ac (TLS assembler check): Do not enable TLS by
3809 default on SPARC/Solaris before version 10.
3810 * configure: Regenerate.
3812 2006-02-07 David Edelsohn <edelsohn@gnu.org>
3814 * doc/invoke.texi (xl-compat): Document conversion and support
3817 2006-02-07 Jeff Law <law@redhat.com>
3819 * tree-vrp.c (find_conditional_asserts): Update comments.
3820 (simplify_stmt_for_jump_threading): New.
3821 (identify_jump_threads, finalize_jump_threads): New.
3822 (vrp_finalize): Call identify_jump_threads.
3823 (execute_vrp): Call finalize_jump_threads.
3824 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
3825 (vrp_element, vrp_data, vrp_element_p): Remove.
3826 (vrp_hash_elt, vrp_variables_stack): Remove.
3827 (vrp_hash, vrp_eq, record_range): Remove.
3828 (simplify_cond_and_lookup_avail_expr): Remove.
3829 (extract_range_from_cond): Remove.
3830 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
3831 (simplify_stmt_for_jump_threading): New.
3832 (dom_thread_across_edge): New wrapper.
3833 (tree_ssa_dominator_optimize): No longer initialize or
3834 finalize any of the VRP datastructures. Remove iteration
3835 step and simplify as a result of removal of iteration step.
3836 (pass_dominator): Perform a cfg cleanup after DOM.
3837 (dom_opt_finalize_block): Use the new common routines
3838 for threading jumps. Simplify stack management slightly.
3839 No longer need to unwind VRP state.
3840 (record_equivalences_from_incoming_edge): No longer record
3842 (eliminate_redundant_computations): No longer call
3843 simplify_cond_and_lookup_avail_expr.
3844 * tree-flow.h (potentially_threadable_block): Prototype.
3845 (thread_across_edge): Likewise.
3846 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
3847 (tree-ssa-threadedge.o): Add dependencies.
3848 * tree-ssa-threadedge.c: New file.
3849 * passes.c (init_optimization_passes): Merge PHIs before
3850 calling VRP. Run VRP again late in the SSA optimization pipeline.
3852 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
3854 * df-core.c (df_set_blocks): Do not dereference function pointers.
3855 (df_finish1): Likewise.
3856 (df_hybrid_search_forward): Likewise.
3857 (df_hybrid_search_backward): Likewise.
3858 (df_iterative_dataflow): Likewise.
3859 (df_analyze_problem): Likewise.
3860 (df_compact_blocks): Likewise.
3861 (df_dump): Likewise.
3862 * df-scan.c (df_rescan_blocks): Likewise.
3863 (df_record_entry_block_defs): Likewise.
3865 * genconditions.c (write_conditions): Guard the definition of
3866 'insn_conditions' with the check on GCC version.
3867 (write_writer): Guard the traversal 'insn_conditions' with
3868 the check on GCC version.
3870 2006-02-07 Richard Guenther <rguenther@suse.de>
3874 2006-01-30 Richard Guenther <rguenther@suse.de>
3876 * gimplify.c (gimplify_target_expr): Handle easy cases
3877 without creating a temporary.
3879 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
3881 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
3882 use of float in probability computations. Use edge probabilities
3883 in place of statically computed probabilities.
3884 (min_spec_prob): New static variable.
3885 (schedule_insns): Initialize it.
3886 (GET_SRC_PROB): Removed.
3887 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
3889 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
3892 * config/ia64/unwind-ia64.c: Revert last change.
3893 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
3894 (INCOMING_FRAME_SP_OFFSET): Define.
3896 2006-02-06 Roger Sayle <roger@eyesopen.com>
3898 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
3900 2006-02-07 Ben Elliston <bje@au.ibm.com>
3902 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
3903 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
3904 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
3905 (ix86_return_in_memory): Handle TDmode.
3906 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
3907 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
3909 2006-02-06 Richard Sandiford <richard@codesourcery.com>
3911 * reorg.c (dbr_schedule): Use dump_file instead of file.
3913 2006-02-06 Steve Ellcey <sje@cup.hp.com>
3916 * config/ia64/predicates.md (extr_len_operand): New predicate.
3917 * config/ia64/ia64.md (extv): Tighten constraints.
3919 (*tbit_and_2): Ditto.
3920 (*tbit_and_3): Ditto.
3921 (*tbit_or_2): Ditto.
3922 (*tbit_or_3): Ditto.
3926 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
3929 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
3931 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
3933 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
3934 loop_optimizer_init and loop_optimizer_finalize
3935 * tree-ssa-sink.c (execute_sink_code): Ditto.
3936 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3937 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
3938 tree_ssa_loop_done): Ditto.
3939 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
3940 * sched-ebb.c: Include output.h.
3941 (schedule_ebbs): Do not use dump argument.
3942 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
3943 * loop.c (loop_dump_stream): Removed.
3944 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
3946 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
3947 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
3948 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
3949 loop_iterations, strength_reduce, record_biv, record_giv,
3950 final_giv_value, check_final_value, check_ext_dependent_givs,
3951 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
3952 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
3953 dump_file instead of loop_dump_stream.
3954 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
3956 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
3958 * flow.c (life_analysis, rest_of_handle_life): Ditto.
3959 * haifa-sched.c: Include output.h
3960 (schedule_insns, sched_init): Do not use dump argument.
3961 * mode-switching.c (optimize_mode_switching): Ditto.
3962 * modulo-sched.c (stats_file): Removed.
3963 (print_node_sched_params): Do not call argument dump_file.
3964 (sms_schedule_by_order, loop_canon_p, sms_schedule,
3965 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
3967 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
3969 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
3970 rtl_loop_init, rtl_loop_done): Ditto.
3971 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
3972 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
3974 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
3975 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
3976 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
3977 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
3978 * emit-rtl.c (renumber_insns): Ditto.
3979 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
3980 expand_gimple_basic_block, tree_expand_cfg): Ditto.
3981 * regclass.c (regclass): Ditto.
3982 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
3983 remove_ssa_form, rewrite_out_of_ssa): Ditto.
3984 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
3985 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
3987 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
3988 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
3990 * gcse.c (gcse_file, debug_stderr): Removed.
3991 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
3992 rest_of_handle_gcse): Do not use dump argument.
3993 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
3994 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
3995 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
3996 compute_code_hoist_vbeinout, compute_code_hoist_data,
3997 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
3998 compute_store_table, build_store_vectors, insert_insn_start_bb,
3999 insert_store, remove_reachable_equiv_notes, replace_store_insn,
4000 store_motion): Use dump_file instead of gcse_file.
4001 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
4002 * profile.c (profile_dump_file): Removed.
4003 (branch_prob): Use dump_file instead of profile_dump_file.
4004 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
4006 * tree-ssa-copy.c (dump_copy_of): Ditto.
4007 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
4008 dump file to life_analysis.
4009 * bt-load.c (branch_target_load_optimize): Ditto.
4010 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
4012 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
4013 regclass, dbr_schedule): Declaration changed.
4014 * sched-int.h (sched_init): Declaration changed.
4015 * tree-profile.c (tree_profile_dump_file): Removed.
4016 (tree_profile_hooks): Removed profile_dump_file hook.
4017 * rtl-profile (rtl_profile_dump_file): Removed.
4018 (rtl_profile_hooks): emoved profile_dump_file hook.
4019 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
4021 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
4022 * tree-cfg.c (build_tree_cfg): Ditto.
4023 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
4024 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
4025 Declaration changed.
4026 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
4027 life_analysis and schedule_insns.
4028 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
4030 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
4032 * config/mips/mips.c (mips_reorg): Ditto.
4033 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
4036 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
4038 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4039 (s390_mangle_fundamental_type): New.
4040 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4043 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4044 (alpha_mangle_fundamental_type): New.
4045 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4048 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4050 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4052 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4053 (sparc_mangle_fundamental_type): New.
4055 2006-02-06 Jakub Jelinek <jakub@redhat.com>
4057 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
4058 (s390x-*-linux*): Likewise.
4059 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
4060 * config/s390/t-linux: New file.
4062 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
4064 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
4065 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
4067 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
4069 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
4070 (ANTIC_SAFE_LOADS): New macro.
4071 (find_or_generate_expression): Add prototype.
4072 (set_contains_value): Allow null set for sake of not always having
4073 to allocate ANTIC_SAFE_LOADS.
4074 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
4075 Allow COMPONENT_REF too.
4076 (valid_in_set): Allow COMPONENT_REF.
4077 Check ANTIC_SAFE_LOADS too.
4078 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
4079 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
4081 (can_PRE_operation): Add COMPONENT_REF.
4082 (create_component_ref_by_pieces): New function.
4083 (create_expression_by_pieces): Use create_component_ref_by_pieces.
4084 (insert_aux): Move AGGREGATE_TYPE_P check here.
4085 (compute_avail): Set bb local stmt uids.
4086 (pass_pre): Use TODO_update_ssa_only_virtuals.
4088 2006-02-06 Ben Elliston <bje@au.ibm.com>
4090 * configure.ac: Unconditionally disable decimal float by default.
4091 * configure: Regenerate.
4093 2006-02-06 Ben Elliston <bje@au.ibm.com>
4095 * read-rtl.c (read_name): Terminate reading on EOF.
4097 2006-02-06 Ben Elliston <bje@au.ibm.com>
4099 * dfp.c (decimal_real_arithmetic): Change second argument type
4100 from int to enum tree_code. Do not always return true, but now
4101 return result of any call to decimal_do helper functions.
4102 * dfp.h (decimal_real_arithmetic): Update prototype.
4104 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
4106 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
4108 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
4111 * tree-cfg.c (cleanup_dead_labels): Also don't remove
4114 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
4116 * tree-vrp.c (cfg_loops): Removed.
4117 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
4118 Use current_loops instead of cfg_loops. Pass flags to
4119 loop_optimizer_init.
4120 * cfgloopmanip.c (fix_loop_structure): Update only available
4122 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
4123 loop_optimizer_init.
4124 * modulo-sched.c (build_loops_structure): Removed.
4125 (sms_schedule): Use loop_optimizer_init.
4126 * loop-init.c (loop_optimizer_init): Use flags to determine
4127 which properties of loops to prepare.
4128 (rtl_loop_init): Pass flags to loop_optimizer_init.
4129 * tree-ssa-sink.c (execute_sink_code): Ditto.
4130 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
4131 * tree-ssa-pre.c (init_pre): Ditto.
4132 * cfgloop.h (LOOPS_NORMAL): New.
4133 (loop_optimizer_init): Declaration changed.
4135 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4137 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
4138 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
4140 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
4142 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
4144 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
4145 * pa/t-pa64: Delete quadlib.c rule.
4146 * pa/x-ada: Revert last change.
4147 * pa/t-pa: Revert last change. Delete quadlib.c rule.
4149 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
4151 PR rtl-optimization/26087
4152 * rtlanal.c (canonicalize_condition): Do not cross basic block
4155 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
4158 * config/ia64/ia64.c: Include debug.h.
4159 (MAX_ARTIFICIAL_LABEL_BYTES): New.
4160 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
4161 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
4162 (process_epilogue, process_set, process_for_unwind_directive):
4163 Output unwind info only if requested. Add CFA info if requested.
4164 Add new arguments as needed. Adjust callers.
4165 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
4167 (DWARF2_FRAME_INFO): Define to zero.
4168 * config/ia64/unwind-ia64.c: Remove code that compensated for
4169 the CFA offset error fixed above.
4170 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
4171 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
4172 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
4173 -funwind-tables and -fexceptions to enable frame info.
4174 (dwarf2out_frame_init): Define initial CFA even if
4175 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
4176 DWARF2_UNWIND_INFO is nonzero, not just defined.
4177 (dwarf2out_frame_finish): Output non-EH call frame info only
4178 if DWARF2_FRAME_INFO is nonzero.
4179 (convert_cfa_to_loc_list,
4180 compute_frame_pointer_to_cfa_displacement): Define even if
4181 unwind info is not supported.
4182 (gen_subprogram_die): Use the above unconditionally. Remove
4183 legacy alternate code.
4184 * toplev.c (compile_file): Compile in call to
4185 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
4186 (lang_dependent_init): Ditto for dwarf2out_frame_init.
4188 2006-02-04 David Edelsohn <edelsohn@gnu.org>
4189 Jakub Jelinek <jakub@redhat.com>
4191 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
4192 IBM extended float format long double as "g" on powerpc*-linux.
4194 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4197 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
4198 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
4200 2006-02-03 Jason Merrill <jason@redhat.com>
4203 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
4206 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
4207 on the return slot if it's an NRV.
4209 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
4211 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
4212 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
4213 rewrite_use): Do not handle USE_OUTER.
4214 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
4215 add_iv_outer_candidates, may_replace_final_value,
4216 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
4217 (find_interesting_uses_op): Functionality of
4218 find_interesting_uses_outer_or_nonlin moved here.
4219 (find_interesting_uses_outside): Use find_interesting_uses_op.
4221 2006-02-03 Alan Modra <amodra@bigpond.net.au>
4224 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
4226 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
4227 Ulrich Weigand <uweigand@de.ibm.com>
4230 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
4231 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
4232 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
4233 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
4235 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
4236 (s390_rtx_costs): Use the new fields to calculate rtx costs.
4237 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
4238 Define secondary reloads for TFmode moves.
4239 (constant_modes): Add TFmode.
4240 (NR_C_MODES): Set to 8.
4241 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
4243 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
4244 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
4245 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
4246 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
4247 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
4248 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
4249 (FPR mode macro): Add TFmode.
4250 (DSF mode macro): New.
4251 (<de>, <dee> mode attributes): Removed.
4252 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
4253 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
4254 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
4255 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
4256 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
4257 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
4258 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
4259 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
4260 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
4261 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
4262 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
4263 "*negabs<mode>2", "sqrt<mode>2"):
4264 Changed <de> to <xde>. R constraint replaced by <Rf>.
4265 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
4267 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
4268 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
4269 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
4271 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
4272 "extenddftf2", "extendsftf2"): New expanders.
4273 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
4274 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
4275 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
4276 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
4278 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
4279 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
4280 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
4281 __floatditf): Add a GCC_4.1.0 symbol version tag.
4282 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
4285 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
4288 * config/i386/i386.c (ix86_function_ok_for_sibcall):
4289 Use targetm.binds_local_p instead of TREE_PUBLIC.
4291 2006-02-02 Roger Sayle <roger@eyesopen.com>
4293 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
4294 on INTEGER_TYPEs to indicate that it denotes a character type.
4295 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
4296 signed_char_type_node, unsigned_char_type_node and char_type_node.
4297 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
4298 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
4299 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
4301 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
4302 Daniel Berlin <dberlin@dberlin.org>
4304 * tree-tailcall.c (arg_needs_copy_p): New function.
4305 (eliminate_tail_call): Use arg_needs_copy_p.
4306 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
4307 (add_virtual_phis): New function.
4309 2006-02-02 Jakub Jelinek <jakub@redhat.com>
4311 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
4312 #ignore instead of #scratch for %g7 .register directive.
4314 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
4316 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
4319 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
4321 * flow.c (calculate_global_regs_live): Assert that there aren't any
4324 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
4326 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
4328 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
4329 bsi_after_labels iterator.
4330 * tree-if-conv.c (find_phi_replacement_condition,
4331 replace_phi_with_cond_modify_expr): Likewise.
4332 * tree-scalar-evolution.c (scev_const_prop): Likewise.
4333 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
4335 2006-02-02 Diego Novillo <dnovillo@redhat.com>
4337 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
4339 2006-02-02 Diego Novillo <dnovillo@redhat.com>
4342 * tree-cfg.c (move_block_to_fn): Clear out the basic block
4343 array after growing it.
4345 2006-02-01 Steve Ellcey <sje@cup.hp.com>
4348 * fold-const.c (fold_checksum_tree): Change type of buf.
4350 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
4352 * reload.c (push_secondary_reload): Initialize t_icode.
4354 2006-02-01 Jakub Jelinek <jakub@redhat.com>
4356 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
4357 -msoft-float -mlong-double-128 only issue a warning, but don't
4358 swich to DFmode long double.
4360 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
4362 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
4363 has a constant equivalent, iterate over equivalents for arg0,
4364 calling simplify_relational_operation and if there's a result
4365 cheaper than X, apply fold_rtx and return the result.
4367 2006-02-01 Jan Hubicka <jh@suse.cz>
4369 * opts.c (no_unit_at_a_time_default): New global variable.
4370 (decode_options): Use it.
4371 * opts.h (no_unit_at_a_time_default): Declare.
4373 2006-02-01 Paul Brook <paul@codesourcery.com>
4375 * function.c (assign_parm_setup_reg): Use function argument promotion
4377 * expr.c (expand_expr_real_1): Use function argument promotion rules
4380 2006-02-01 Steve Ellcey <sje@cup.hp.com>
4382 * gcc.c (process_command): Change j to 'unsigned int'.
4384 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
4387 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
4388 Use the corrected index for the character
4389 out of the string constant.
4391 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
4393 * mode-switching.c (optimize_mode_switching): Fix size
4394 allocated for bb_info[n_entities].
4396 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
4398 * gcc.c (main): Correct type that is allocated for
4399 explicit_link_files.
4401 2006-01-31 Jakub Jelinek <jakub@redhat.com>
4403 * config/s390/s390.c (init_alignment_context): Set
4404 ALIAS_SET_MEMORY_BARRIER on the MEM.
4405 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
4407 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
4410 * loop-unroll.c (unroll_loop_runtime_iterations): Free
4412 * tree-ssa-live.c (type_var_init): Allocate bitmap after
4415 2006-01-31 Marcin Dalecki <martin@dalecki.de>
4417 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
4418 * regrename.c: Ditto.
4419 * tree-ssa-loop-im.c: Ditto.
4420 * tree-dump.c: Ditto.
4421 * tree-complex.c: Ditto.
4422 * genrecog.c: Ditto.
4423 * tree-ssa-threadupdate.c: Ditto.
4425 * java/class.c: Ditto.
4426 * java/jcf-parse.c: Ditto.
4427 * java/resource.c: Ditto.
4428 * java/except.c: Ditto.
4429 * java/jvspec.c: Ditto.
4430 * java/jcf-write.c: Ditto.
4431 * java/jcf-path.c: Ditto.
4432 * java/gjavah.c: Ditto.
4433 * java/zextract.c: Ditto.
4434 * java/jcf-io.c: Ditto.
4435 * java/jcf.h: Ditto.
4436 * java/buffer.c: Ditto.
4437 * java/lang.c: Ditto.
4438 * java/parse-scan.y: Ditto.
4439 * java/lex.c: Ditto.
4440 * java/lex.h: Ditto.
4441 * cfgloopmanip.c: Ditto.
4442 * postreload-gcse.c: Ditto.
4443 * tree-ssa-loop-manip.c: Ditto.
4444 * postreload.c: Ditto.
4445 * tree-ssa-loop-ch.c: Ditto.
4449 * diagnostic.c: Ditto.
4451 * genoutput.c: Ditto.
4453 * cfghooks.c: Ditto.
4454 * cfgloopanal.c: Ditto.
4455 * objc/objc-act.c: Ditto.
4457 * genextract.c: Ditto.
4458 * genautomata.c: Ditto.
4459 * pretty-print.c: Ditto.
4461 * cgraphunit.c: Ditto.
4464 * haifa-sched.c: Ditto.
4465 * dominance.c: Ditto.
4467 * tree-ssa-loop-ivopts.c: Ditto.
4469 * mode-switching.c: Ditto.
4470 * modulo-sched.c: Ditto.
4472 * ipa-pure-const.c: Ditto.
4474 * fix-header.c: Ditto.
4476 * tree-stdarg.c: Ditto.
4477 * ipa-utils.c: Ditto.
4478 * loop-init.c: Ditto.
4479 * ipa-inline.c: Ditto.
4482 * alloc-pool.c: Ditto.
4483 * dwarf2out.c: Ditto.
4485 * genattrtab.c: Ditto.
4486 * tree-ssa-loop-ivcanon.c: Ditto.
4490 * fortran/gfortranspec.c: Ditto.
4492 * local-alloc.c: Ditto.
4493 * langhooks.c: Ditto.
4494 * function.c: Ditto.
4495 * tree-vectorizer.c: Ditto.
4497 * ipa-type-escape.c: Ditto.
4499 * tree-if-conv.c: Ditto.
4502 * tree-data-ref.c: Ditto.
4503 * loop-unroll.c: Ditto.
4504 * treelang/treetree.c: Ditto.
4507 * ggc-common.c: Ditto.
4509 * coverage.c: Ditto.
4511 * tree-cfgcleanup.c: Ditto.
4512 * tree-ssa-pre.c: Ditto.
4513 * cfgcleanup.c: Ditto.
4514 * loop-invariant.c: Ditto.
4516 * ipa-prop.c: Ditto.
4517 * print-tree.c: Ditto.
4518 * conflict.c: Ditto.
4519 * ggc-page.c: Ditto.
4520 * sched-deps.c: Ditto.
4521 * regclass.c: Ditto.
4522 * tree-object-size.c: Ditto.
4524 * bb-reorder.c: Ditto.
4525 * resource.c: Ditto.
4526 * var-tracking.c: Ditto.
4528 * df-problems.c: Ditto.
4529 * reg-stack.c: Ditto.
4532 * sched-rgn.c: Ditto.
4533 * tree-ssa-structalias.c: Ditto.
4534 * tree-ssa-reassoc.c: Ditto.
4535 * config/darwin-c.c: Ditto.
4536 * config/darwin.c: Ditto.
4537 * config/arm/arm.c: Ditto.
4539 * collect2.c: Ditto.
4542 2006-01-31 Nicolas Pitre <nico@cam.org>
4544 * arm.md (smaxsi3): Make aware of smax_m1.
4547 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
4549 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
4551 2006-01-31 Richard Guenther <rguenther@suse.de>
4553 * doc/invoke.texi (-msselibm): Document.
4554 * target.h (expand_library_builtin): New target hook.
4555 * builtins.c (expand_builtin): Use expand_library_builtin.
4556 (default_expand_library_builtin): New function.
4557 * gcc.c (LINK_GCC_MATH_SPEC): Define.
4558 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
4559 (link_gcc_math_spec): Declare.
4560 (static_specs): Add link_gcc_math_spec.
4561 * expr.h (default_expand_library_builtin): Declare.
4562 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4563 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
4564 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
4565 * config/i386/i386.opt (msselibm): New target option.
4566 * config/i386/i386.c (ix86_builtin_function_variants): New array.
4567 (ix86_init_sse_abi_builtins): New function.
4568 (ix86_expand_library_builtin): Likewise.
4569 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4570 (override_options): Handle error conditions wrt -msselibm.
4571 (ix86_builtins): Add function codes for SSE2 ABI builtins.
4572 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
4573 * doc/extend.texi (__builtin_sse2_*): Document new target specific
4576 2006-01-31 Richard Guenther <rguenther@suse.de>
4577 Paolo Bonzini <bonzini@gnu.org>
4579 * doc/install.texi (--disable-libgcc-math): Document.
4581 2006-01-30 Marcin Dalecki <martin@dalecki.de>
4583 * expr.h (expand_normal): new inline function.
4584 * builtins.c: use it, use EXPAND_NORMAL explicitely.
4586 * dwarf2out.c: use it.
4591 * config/sparc/sparc.c: use it.
4592 * config/i386/i386.c: use it.
4593 * config/rs6000/rs6000.c: use it.
4594 * config/arm/arm.c: use it.
4595 * config/mips/mips.c: use it.
4596 * stmt.c: use it, use EXPAND_NORMAL explicitely.
4598 2006-01-30 Roger Sayle <roger@eyesopen.com>
4600 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
4601 argv to the appropriate type.
4603 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
4605 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
4608 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
4611 * config/s390/s390.c (struct machine_function): New flag
4612 decomposed_literal_pool_addresses_ok_p.
4613 (s390_reorg): Set it before final stage of literal pool transforms.
4614 (s390_decompose_address): Only accept displacements of the form
4615 (minus (label_ref ...) (label_ref ...)) if that flag is set.
4617 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
4619 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
4620 the comparison routine return.
4622 2006-01-30 Michael Matz <matz@suse.de>
4624 * global.c (find_reg): Only evict for global regs.
4625 Take n_refs into account and dump more info.
4627 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
4630 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
4631 (pragma_trap, pragma_nosave_low_regs): Likewise.
4632 (current_function_anonymous_args): Likewise.
4633 (sh_deferred_function_attributes): New variable.
4634 (sh_deferred_function_attributes_tail): Likewise.
4635 (print_operand): For '@', look up trap_exit attribute.
4636 (calc_live_regs): Look up trapa_handler attribute. For trapa
4637 handlers, save/restore fpscr, but don't do any other
4638 interrupt-specific saves.
4639 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
4640 Fix check for partially saved registers to check for SHmedia.
4641 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
4642 (sh_output_function_epilogue): Don't clear any of the removed
4644 (sh_insert_attributes): Don't check pragma_interrupt.
4645 Insert deferred attributes. Check that interrupt attribute is
4646 present for other attributes that require its presence.
4647 (sh_attribute_table): Add new attributes trapa_handler and
4649 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
4650 Don't check for pragma_interrupt. Don't store argument.
4651 * sh.h (pragma_interrupt, sp_switch): Don't declare.
4652 (sh_deferred_function_attributes): Declare.
4653 (sh_deferred_function_attributes_tail): Likewise.
4654 * sh.md (sp_switch_1): Add operand. Change generator caller.
4655 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
4656 (*return_i): Don't use when trap_exit attribute is in effect.
4657 (*return_trapa): New insn pattern.
4659 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
4660 setting c_target_objs and cxx_target_objs.
4661 * t-sh: Add rule for sh-c.o.
4663 2006-01-30 Richard Guenther <rguenther@suse.de>
4666 * gimplify.c (gimplify_target_expr): Handle easy cases
4667 without creating a temporary.
4669 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
4671 * vec.h (safe_grow): Remove duplicated line.
4673 2006-01-29 Diego Novillo <dnovillo@redhat.com>
4676 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
4677 (expand_omp): ... here.
4678 (expand_omp_parallel): Only remove barriers for combined
4679 parallel+workshare constructs.
4681 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
4685 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
4686 * tree.c (build_qualified_type): Chain the new type to the original
4687 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
4688 a POINTER_TYPE or a REFERENCE_TYPE respectively.
4689 (build_pointer_type_for_mode): Only return unqualified types.
4690 (build_reference_type_for_mode): Likewise.
4692 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
4694 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
4695 * Makefile.in (CXX_COMPAT_WARN): Define.
4696 * configure: Regenerate.
4698 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
4701 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
4704 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
4706 * toplev.c: Fix thinko.
4708 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
4709 Marcin Dalecki <martin@dalecki.de>
4711 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
4712 (push_srcloc): Use XNEW.
4713 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
4715 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
4717 * df-core.c (df_set_blocks): Deleted all variable.
4719 2006-01-28 Ian Lance Taylor <ian@airs.com>
4721 * cgraphunit.c (cgraph_assemble_pending_functions): Call
4722 cgraph_output_pending_asms.
4724 2006-01-28 Zack Weinberg <zackw@panix.com>
4726 * c.opt: Add -W(no-)overlength-strings.
4727 * doc/invoke.texi: Document it.
4728 * c-opts.c (c_common_handle_option): -pedantic implies
4729 -Woverlength-strings, if not explicitly disabled already.
4730 (c_common_post_options): -Woverlength-strings defaults to off, and
4731 is always off for C++.
4732 * c-common.c (fix_string_type): Issue warning about strings longer
4733 than is portable only if warn_overlength_strings. Rearrange code
4734 a little for clarity.
4735 * configure.in: Check for -Wno-overlength-strings as well before
4736 enabling -pedantic in stage 1.
4737 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
4738 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
4740 * genconditions.c (write_header, write_one_condition)
4741 (write_conditions, write_writer): Consolidate very long strings
4742 that were broken up to fit in C89 portable limit. Don't use
4743 printf when fputs will do.
4745 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
4747 * combine.c (simplify_comparison <AND>): Check
4748 TRULY_NOOP_TRUNCATION before start using a subreg.
4750 * config/mips/mips.md (*branch_zero<mode>,
4751 *branch_zero<mode>_inverted, *branch_equality<mode>,
4752 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
4753 Remove mode check from comparisons.
4755 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
4757 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
4759 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
4761 * expmed.c (const_mult_add_overflow_p): Remove.
4762 * expr.h: Remove the prototype for const_mult_add_overflow_p.
4764 * recog.c (validate_replace_rtx_subexp): Remove.
4765 * recog.h: Remove the prototype for
4766 validate_replace_rtx_subexp.
4768 * integrate.h: Remove the prototype for
4769 copy_decl_for_inlining.
4770 * rtl.h: Remove the prototype for mark_constant_function.
4771 * tree-vectorizer.h: Remove the prototype for
4772 vect_strip_conversion.
4774 * modulo-sched.c (create_partial_schedule,
4775 free_partial_schedule, reset_partial_schedule): Make them
4778 * hooks.c (hook_bool_rtx_int_false): Remove.
4779 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
4781 2006-01-28 David Edelsohn <edelsohn@gnu.org>
4783 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
4784 and -mlong-double-128 are incompatible.
4785 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
4786 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
4787 (TARGET_LIBGCC2_CFLAGS): Define.
4788 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
4789 (TARGET_LIBGCC2_CFLAGS): Same.
4790 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
4792 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
4795 * c-typeck.c (build_binary_op): Perform implicit casts of
4796 operands before shortening them.
4798 * cfgloopmanip.c (split_loop_bb): Remove.
4799 * cfgloop.h: Remove the prototype for split_loop_bb.
4801 * cfgloop.c (flow_loop_outside_edge_p): Remove.
4802 * cfgloop.h: Remove the prototype for
4803 flow_loop_outside_edge_p.
4805 * emit-rtl.c (init_virtual_regs): Make it static.
4806 * function.h: Remove the prototype for init_virtual_regs.
4808 * recog.c (peephole2_optimize): Make it static.
4809 * recog.h: Remove the prototype for peephole2_optimize.
4811 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
4813 * df-scan.c (df_record_entry_block_defs): Check if
4814 INCOMING_RETURN_ADDR_RTX is defined.
4816 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
4817 Kenneth Zadeck <zadeck@naturalbridge.com>
4819 PR rtl-optimization/24762
4820 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
4821 * targhooks.c (hook_void_bitmap): New hook prototype.
4822 * targhoohs.h (hook_void_bitmap): Ditto.
4823 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
4824 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
4825 * target.h (live_on_entry): New function pointer.
4826 * df-scan.c (df_all_hard_regs): Removed.
4827 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
4828 (df_scan_free_internal): Added df->entry_block_defs.
4829 (df_scan_alloc): Ditto.
4830 (df_scan_dump): Ditto.
4831 (df_uses_record): Plumbed flag field properly thru calls.
4832 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
4833 This part fixes PR24762.
4834 (df_bb_refs_record): Added code to make the frame and arg
4835 pointers live in EH blocks.
4836 (df_refs_record): Added call to df_record_entry_block_defs.
4837 (df_record_entry_block_defs): New function.
4838 * df-core.c: Added comments to describe new artifical defs.
4839 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
4840 (entry_block_defs): New field in struct df.
4841 (df_all_hard_regs): Deleted.
4842 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
4843 * df-problems.c (df_ru_bb_local_compute_process_def):
4844 Added code to handle artifical defs in the entry to a function.
4845 (df_ru_bb_local_compute): Ditto.
4846 (df_rd_bb_local_compute_process_def): Ditto.
4847 (df_rd_bb_local_compute): Ditto.
4848 (df_lr_bb_local_compute): Ditto.
4849 (df_ur_bb_local_compute): Ditto.
4850 (df_urec_bb_local_compute): Ditto.
4851 (df_chain_create_bb): Ditto.
4852 (df_ur_local_finalize): Removed entry.
4853 (df_urec_init): Ditto.
4854 (df_urec_local_finalize): Ditto.
4855 (df_ri_bb_compute): Added detection of last use of pseudos.
4856 * Makefile.in (df-scan.o): Updated dependencies.
4857 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
4858 * config/mips/mips.c (mips_set_live_on_entry): Added.
4859 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
4861 * dce.c (marked_insn_p): Added code to handle artifical defs.
4863 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
4865 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
4867 (_mm_cvtsi128_si64): Likewise.
4868 (_mm_cvtsd_si64): Likewise.
4869 (_mm_cvttsd_si64): Likewise.
4870 (_mm_cvtsi64_sd): Likewise.
4871 (_mm_cvtsi64_si128): Likewise.
4872 * config/i386/mmintrin.h (_m_from_int64): Likewise.
4873 (_mm_cvtsi64_m64): Likewise.
4874 (_m_to_int64): Likewise.
4875 (_mm_cvtm64_si64): Likewise.
4876 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
4877 (_mm_cvttss_si64): Likewise.
4878 (_mm_cvtsi64_ss): Likewise.
4879 (_mm_cvtss_f32): Likewise.
4881 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
4883 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
4884 for pragma redefine_extname.
4886 2006-01-27 Jakub Jelinek <jakub@redhat.com>
4889 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
4890 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
4891 -mno-minimal-toc to previous content.
4892 (bispecs): Remove goal.
4893 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
4894 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
4895 compatibility aliases on powerpc-*-*gnu*.
4896 * config/rs6000/libgcc-ppc-glibc.ver: New file.
4897 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
4898 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
4899 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
4900 (ldblspecs): New goal.
4901 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
4902 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
4904 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
4905 L_sf_to_tf or L_df_to_tf is defined.
4907 2006-01-27 David Edelsohn <edelsohn@gnu.org>
4908 Alan Modra <amodra@bigpond.net.au>
4911 * config/rs6000/linux.h (POWERPC_LINUX): Define.
4912 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
4913 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
4914 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
4915 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
4916 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
4917 (rs6000_override_options): Initialize rs6000_ieeequad.
4918 Initialize TFmode format to ibm_extended_format if not
4920 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
4922 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
4923 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
4924 (function_arg_advance): IBM long double passed in two FPRs, not
4926 (function_arg): IBM long double passed in FPRs.
4927 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
4928 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
4929 Only multireg GPR aligned.
4930 (rs6000_init_libfuncs): Enable IBM long double functions if not
4932 (rs6000_generate_compare): Use IBM long double compare if not
4934 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
4935 (TARGET_IEEEQUAD): Define.
4936 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
4937 not TARGET_IEEEQUAD.
4938 * config/rs6000/rs6000.md: Enable TFmode patterns if
4940 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
4941 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
4942 and -mlong-double-128 are incompatible.
4943 * doc/invoke.texi (-mabi): Collect options together. Add
4944 ibmlongdouble and ieeelongdouble.
4946 2006-01-27 Richard Sandiford <richard@codesourcery.com>
4948 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
4950 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
4951 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
4952 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
4953 * rtl.h (rtunion_def): Remove rt_ptr.
4955 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
4956 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
4957 * config/i386/winnt.c (i386_pe_mark_dllexport)
4958 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
4960 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
4962 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
4964 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
4968 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
4969 pthread_key_delete. From John David Anglin. gthrw-ify
4970 pthread_getunique_np only if it it's not a macro. Delete
4972 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
4973 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
4974 __gthread_objc_condition_signal, __gthread_key_delete): Add
4975 "__attribute__ ((__unused__))" to unused arguments.
4976 (__gthread_recursive_mutex_init_function): Add missing return.
4977 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
4978 gthr-posix95.h: Use macro-based approach for name redirection
4979 on targets missing weakref.
4981 2006-01-26 Zack Weinberg <zackw@panix.com>
4983 * genconditions.c (write_header): In generated code, #ifdef out
4984 all includes and fake declarations, except includes of bconfig.h
4985 and system.h, unless GCC_VERSION >= 3001. Do not include
4986 gensupport.h in any case.
4987 (write_conditions): Generate a definition of struct c_test. Add
4988 a comment to the generated #endif.
4989 (write_one_condition): Escape backslashes in string too.
4990 (write_writer): Generated code must escape backslashes and quote
4991 marks (but not newlines) in the strings it writes.
4992 * Makefile.in (build/gencondmd.o): Update dependencies.
4994 2006-01-26 Steve Ellcey <sje@cup.hp.com>
4997 * Makefile.in (insn-automata.o): Add header file dependencies.
4998 * genautomata.c: Add includes.
5000 2006-01-26 Steve Ellcey <sje@cup.hp.com>
5003 * Makefile.in (insn-automata.o): Add -Wno-error flag.
5005 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
5007 * configure.ac: Expect target tools paths to be passed from the toplevel
5008 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
5010 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
5012 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
5015 * c.opt (Wpointer-sign): Init to -1.
5016 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
5017 OPT_pedantic, to 0 otherwise.
5018 * doc/invoke.texi: Update.
5020 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
5022 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
5023 constants provided by 80387 instructions in the destination mode.
5025 2006-01-26 Richard Guenther <rguenther@suse.de>
5026 Andrew Pinski <pinskia@physics.uc.edu>
5029 partial PR tree-opt/17064
5030 * tree-ssa-structalias.c (intra_create_variable_infos):
5031 Create heap variables for incoming parameters if
5032 flag_argument_noalias > 1.
5033 (find_what_p_points_to): Look through default defs of
5036 2006-01-26 Jeff Law <law@redhat.com>
5039 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
5040 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
5041 within the VR_RANGE, use the VR_RANGE as the result, not the
5043 (adjust_range_with_scev): Reject ranges from SCEV which are out of
5044 bounds for the type.
5046 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
5048 * tree-ssa-alias.c (maybe_create_global_var): Change
5049 subvar walking to an assertion that we don't have subvar'd variables.
5051 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
5054 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
5055 Use a new variable, inner. PARM_DECLs are always non-weak.
5057 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
5059 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
5062 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
5064 * config/mips/mips.md (*clear_upper32): New combiner pattern.
5066 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
5068 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
5069 (smax_insn, smin_insn, smax_0, smin_0): New.
5071 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
5074 * config/cris/cris.c (cris_order_for_addsi3): New function.
5075 * config/cris/cris-protos.h: Prototype it.
5076 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
5077 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
5078 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
5079 (split for "op.S1 [rx=rx+i],ry (swapped)")
5080 (split for "op(s|u).S1 [rx=rx+i],ry")
5081 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
5082 Apply cris_order_for_addsi3 when generating addsi3 insns.
5084 2006-01-25 Diego Novillo <dnovillo@redhat.com>
5086 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
5087 (TREE_BLOCK): Add call to EXPR_CHECK.
5089 2006-01-25 Diego Novillo <dnovillo@redhat.com>
5092 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
5093 * tree-pretty-print.c (dump_omp_clause): Extract from ...
5094 (dump_omp_clauses): ... here.
5095 (dump_generic_node): Handle OMP_CLAUSE.
5096 * tree.c (omp_clause_num_ops): New.
5097 (omp_clause_code_name): New.
5098 (tree_code_size): Handle OMP_CLAUSE.
5099 (tree_size): Likewise.
5100 (make_node): Document handling of OMP_CLAUSE.
5101 (tree_node_structure): Handle OMP_CLAUSE.
5102 (omp_clause_check_failed): New.
5103 (omp_clause_range_check_failed): New.
5104 (omp_clause_operand_check_failed): New.
5105 (build_omp_clause): New.
5106 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
5107 * tree.h (enum omp_clause_code): Declare.
5108 (OMP_CLAUSE_SUBCODE_CHECK): Define.
5109 (OMP_CLAUSE_RANGE_CHECK): Define.
5110 (OMP_CLAUSE_ELT_CHECK): Define.
5111 (omp_clause_check_failed): Declare.
5112 (omp_clause_operand_check_failed): Declare.
5113 (omp_clause_range_check_failed): Declare.
5114 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
5115 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
5116 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
5117 (OMP_CLAUSE_LASTPRIVATE): Likewise.
5118 (OMP_CLAUSE_IF_EXPR): Likewise.
5119 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
5120 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
5121 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
5122 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
5123 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
5124 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
5125 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
5126 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
5127 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
5128 (OMP_CLAUSE_CODE): Define.
5129 (OMP_CLAUSE_SET_CODE): Define.
5130 (OMP_CLAUSE_CODE): Define.
5131 (OMP_CLAUSE_OPERAND): Define.
5132 (struct tree_omp_clause): Declare.
5133 (union tree_node): Add field 'omp_clause'.
5134 * treestruct.def (TS_OMP_CLAUSE): Define.
5135 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
5136 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
5137 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
5138 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
5139 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
5140 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
5141 (OMP_CLAUSE): Define.
5142 * print-tree.c (print_node): Handle OMP_CLAUSE.
5143 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
5144 * c-typeck.c: Likewise.
5145 * gimplify.c: Likewise.
5146 * c-omp.c: Likewise.
5147 * tree-nested.c: Likewise.
5148 * tree-inline.c: Likewise.
5149 * c-parser.c: Likewise.
5150 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
5153 2006-01-25 Roger Sayle <roger@eyesopen.com>
5155 PR rtl-optimization/25703
5156 * combine.c (try_combine): Handle zero_extract and strict_low_part
5157 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
5159 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
5161 * global.c: Fix comment typos.
5163 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
5166 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
5167 Use output_addr_const instead of assemble_name.
5169 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
5171 * Makefile.in (sched-vis.o): Update dependencies.
5172 * haifa-sched.c (sched_finish): Clear current_sched_info.
5173 * cfg.c (dump_bb_info): New, split from dump_flow_info.
5174 (dump_flow_info): Call it.
5175 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
5177 * basic-block.h (dump_bb_info): Declare.
5178 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
5179 option, and apply options only for dump files whose TDF_RTL,
5180 TDF_TREE, or TDF_IPA bits match.
5181 * rtl.h: Declare new functions exported from sched-vis.c.
5182 * sched-vis.c: Enable also if scheduling is not used.
5183 (print_value): Print the mode of registers if not inside scheduling.
5184 (print_insn): Make it work outside the scheduler. Beautify the output
5186 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
5188 2006-01-25 Richard Sandiford <richard@codesourcery.com>
5190 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
5191 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
5192 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
5193 depending on the value of CONSTANT_POOL_ADDRESS_P.
5194 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
5196 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
5197 rather than SYMBOL_REF_DECL.
5198 (rtx_constant_pool): Remove const_rtx_sym_htab.
5199 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
5200 (init_varasm_status): Don't initialize const_rtx_sym_htab.
5201 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
5202 Remove handling of const_rtx_sym_htab.
5203 (find_pool_constant): Delete.
5204 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
5205 rather than find_pool_constant.
5206 (get_pool_constant_for_function): Delete.
5207 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
5209 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
5210 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
5211 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
5212 (SYMBOL_REF_CONSTANT): New macro.
5213 (get_pool_constant_for_function): Delete.
5214 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
5215 rather than SYMBOL_REF_DECL.
5216 (i386_pe_mark_dllimport): Likewise.
5217 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
5218 rather than SYMBOL_REF_DECL.
5219 * config/darwin.c (machopic_indirect_data_reference): Likewise.
5220 (machopic_indirect_call_target): Likewise.
5222 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
5224 * flow.c (delete_noop_moves): Add missing EOL to dump message.
5226 2006-01-25 Richard Sandiford <richard@codesourcery.com>
5228 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
5230 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
5232 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
5234 2006-01-24 David Daney <ddaney@avtrex.com>
5237 * configure.ac (enable_tls): New enable option.
5238 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
5239 * configure: Regenerate.
5240 * doc/install.texi (--enable-tls): Document new option.
5241 (--disable-tls): Ditto.
5243 2006-01-24 Richard Henderson <rth@redehat.com>
5245 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
5246 * alias.c (true_dependence): Respect it.
5247 (canon_true_dependence, write_dependence_p): Likewise.
5248 * builtins.c (get_builtin_sync_mem): Set it.
5250 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
5252 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
5255 2006-01-24 DJ Delorie <dj@redhat.com>
5257 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
5258 for storing constants in single-bit bitfields.
5260 2006-01-25 Ben Elliston <bje@au.ibm.com>
5262 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
5264 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
5267 * tree-ssa-pre.c (phi_translate): Return NULL
5268 for AGGREGATE_TYPE's.
5270 2006-01-24 Zack Weinberg <zackw@panix.com>
5272 * genautomata.c (process_state_for_insn_equiv_partition):
5273 Use xcalloc for insn_arcs_array.
5274 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
5275 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
5277 2006-01-24 Richard Henderson <rth@redhat.com>
5279 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
5282 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
5284 PR rtl-optimization/25890
5285 PR rtl-optimization/25905
5286 * combine.c (expand_compound_operation, expand_field_assignment):
5287 Fail if the bitfield's final position is out of bounds.
5289 2006-01-24 Ian Lance Taylor <ian@airs.com>
5292 * cgraphunit.c (cgraph_output_in_order): Don't clear
5293 cgraph_asm_nodes until after asm strings have been output.
5295 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
5297 * fix-header.c (read_scan_file): Add new parameter imultilib when
5298 calling register_include_chains.
5300 2006-01-23 Diego Novillo <dnovillo@redhat.com>
5302 * omp-low.c: Update documentation.
5304 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
5305 Daniel Berlin <dberlin@dberlin.org>
5309 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
5310 return from the function.
5312 2006-01-22 Zack Weinberg <zackw@panix.com>
5314 * rtl.def (match_code): Add second argument.
5315 * genpreds.c (write_extract_subexp): New function.
5316 (write_match_code): Add path argument. Use write_extract_subexp.
5317 (write_predicate_expr): Pass path to write_match_code.
5318 (mark_mode_tests): MATCH_CODE applied to a subexpression does
5319 not perform a mode test.
5320 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
5321 a subexpression does not constrain the top-level code set.
5322 * read-rtl.c (read_rtx_variadic): New function.
5323 (read_rtx_1): Use it; allow AND and IOR to be variadic.
5324 * doc/md.texi: Document new notation.
5325 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
5326 (cmpsi_operand): ... here, using new notation.
5328 2006-01-22 Zack Weinberg <zackw@panix.com>
5330 * varray.c: Remove GENERATOR_FILE #ifdefs.
5332 2006-01-22 Zack Weinberg <zackw@panix.com>
5334 * genautomata.c (output_reserved_units_table): Emit nothing if
5335 description->query_units_num is zero. Remove extra blank line.
5336 (output_cpu_unit_reservation_p): Short circuit
5337 if description->query_units_num is zero.
5339 2006-01-22 Zack Weinberg <zackw@panix.com>
5341 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
5342 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
5343 nor any of the random handful of variables that used to be necessary
5344 when this program was linked with rtlanal.o. Prune set of forward
5345 function declarations.
5346 (struct attr_desc): Remove static_p field.
5347 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
5348 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
5349 (attr_string): Do not read the character one past the length of
5351 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
5352 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
5353 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
5354 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
5355 (make_automaton_attrs): New.
5356 (main): Do not call into genautomata. Call local gen_bypass
5357 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
5358 Remove special case for insn_alts.
5359 * genautomata.c: Include gensupport.h; not genattrtab.h nor
5360 varray.h (leftover from previous change). Prune set of forward
5361 function declarations. Remove state_alts fields from all
5362 structures. Remove state_alts_table from struct automaton.
5363 Make everything except main static. Do not maintain num_dfa_decls.
5364 Do not maintain state_alts fields of various structures.
5365 (process_decls): Don't validate condexp for dm_insn_reserv decls.
5366 (add_arc): Remove state_alts argument. All callers updated.
5367 (output_reserved_units_table): Emit #ifdef here...
5368 (output_tables): ...not here. Don't generate state_alts tables.
5369 (expand_automata): Don't generate attributes.
5370 (write_automata): Don't generate state_alts functions.
5371 (main): New function.
5372 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
5373 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
5374 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
5375 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
5376 (BYPASS_P_FUNC_NAME, output_state_alts_table)
5377 (output_automata_list_state_alts_code, output_internal_state_alts_func)
5378 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
5379 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
5381 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
5382 * genattrtab.h: Delete file.
5383 * Makefile.in (OBJS-common): Add insn-automata.o.
5384 (insn-automata.o): New rule.
5385 (simple_generated_c): Add insn-automata.c.
5386 (build/genattrtab.o, build/genautomata.o): Update dependencies.
5387 (genprogmd): Add automata.
5388 (build/genattrtab): Needs no extra objects nor libraries.
5389 (build/genautomata): Needs build/vec.o and -lm.
5391 2006-01-22 Zack Weinberg <zackw@panix.com>
5393 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
5394 (output_dfa_max_issue_rate, locked_states_num): Delete.
5395 (struct automaton): Add locked_states field.
5396 (output_dead_lock_vect): Save number of locked states in
5397 automaton->locked_states. If it is zero, don't print anything.
5398 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
5399 (output_internal_dead_lock_func): Only test the dead_lock_vect
5400 for automata that have locked states.
5401 (output_statistics): Always print the number of locked states for
5402 each automaton. Calculate total number of locked states here.
5403 (write_automata): Don't call output_dfa_max_issue_rate.
5404 * genattrtab.c: Define length_unit_log as a const variable.
5405 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
5406 max_insn_queue_index const.
5407 * final.c (length_unit_log): Declare const.
5408 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
5410 2006-01-22 Zack Weinberg <zackw@panix.com>
5412 * genautomata.c: Include vec.h, not varray.h.
5413 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
5414 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
5415 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
5416 VEC_* macros operating on appropriately typed vectors, or to
5417 malloced arrays when the size is known in advance. Const-ify
5418 many char* variables and function arguments. No functional changes.
5419 * Makefile.in (build/varray.o): Delete rule.
5420 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
5421 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
5423 2006-01-22 Zack Weinberg <zackw@panix.com>
5425 * gensupport.c: Define get_insn_name and record_insn_name here.
5426 (read_md_rtx): Call record_insn_name as appropriate.
5427 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
5428 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
5429 * genpreds.c, genrecog.c: Don't define get_insn_name nor
5431 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
5432 (BUILD_VARRAY): Delete.
5433 (genprognormal): Rename genprogmd. Fold in all programs from
5434 genprognoprint; also attrtab.
5435 (build/genattrtab): Just mention genautomata.o and varray.o.
5436 Reorganize a bit, add comments to make the categories clearer.
5438 2006-01-22 Zack Weinberg <zackw@panix.com>
5440 * genconditions.c (condition_table, add_condition): Delete.
5441 (write_conditions): Don't emit n_insn_conditions nor
5442 insn_elision_unavailable. Issue the gcc version #ifdef here,
5443 inside the table, with no #else clause ...
5444 (write_header): ...not here.
5445 (write_writer): New function.
5446 (main): Don't initialize condition_table. Use add_c_test.
5448 * gensupport.c (init_md_reader_args_cb): Handle multiple input
5449 files on the command line.
5450 (maybe_eval_c_test): Don't check insn_elision_unavailable.
5451 Return -1 if there is no entry in the table, don't abort.
5452 (add_c_test, traverse_c_tests): New functions.
5453 * gensupport.h (insn_elision_unavailable, insn_conditions)
5454 (n_insn_conditions): Delete declarations.
5455 (add_c_test, traverse_c_tests): Declare.
5456 * read-rtl.c: Include gensupport.h.
5457 (read_conditions): New function.
5458 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
5459 (read_rtx_1): If we get EOF when we were looking for an initial
5460 open paren, return 0. Call read_conditions when appropriate.
5461 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
5462 dummy-conditions.o. Eliminate references to insn-conditions.o,
5463 or change them to build/gencondmd.o, as appropriate. Remove
5464 insn-constants.h from $(simple_generated_h) and insn-conditions.c
5465 from $(simple_generated_c). For all files remaining in those
5466 two lists, add insn-conditions.md to the generator command line.
5467 Give insn-constants.h/s-constants their own rules. Add rules
5468 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
5469 (build/read-rtl.o): Depend on gensupport.h.
5470 (genprognormal): Include preds.
5471 (genprogearly): Rename genprognoprint; only difference is now that
5472 they don't link with $(BUILD_PRINT).
5473 * dummy-conditions.c: Delete.
5475 2006-01-22 Zack Weinberg <zackw@panix.com>
5477 * genextract.c: Don't include insn-config.h. Do include vec.h.
5478 Declare vectors of int, char, and locstr.
5479 (locstr): New typedef.
5480 (struct extraction): Make all array fields into bare pointers.
5481 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
5482 (insn_code_number): Delete.
5483 (accum_extract): New struct.
5484 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
5485 (gen_insn): Take insn_code_number as an argument. Use an
5486 accum_extract structure instead of loading data directly into
5487 a struct extraction, and having to know how big it might get.
5488 (walk_rtx): Operate entirely on an accum_extract structure.
5489 (print_path): Avoid unnecessary use of printf.
5490 (print_header): New function, split out of main. Distinguish
5491 more carefully between an unrecognizable insn and an insn that
5492 has the code number of a define_expand.
5493 (main): Pass insn_code_number to gen_insn. Call print_header
5494 only after parsing. Avoid unnecessary use of printf.
5495 * Makefile.in (build/vec.o): New rule.
5496 (build/genextract): Depend on build/vec.o.
5497 (build/genextract.o): Don't depend on insn-config.h.
5499 2006-01-22 Zack Weinberg <zackw@panix.com>
5501 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
5502 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
5503 practical. Eliminate per-generator-program link rules.
5505 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
5508 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
5509 with a call expr to ...
5510 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
5512 2006-01-23 Richard Guenther <rguenther@suse.de>
5514 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
5515 before make_edge with conditional EDGE_TRUE_VALUE.
5517 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
5518 Jan Hubicka <jh@suse.cz>
5519 Richard Guenther <rguenther@suse.de>
5521 PR rtl-optimization/25654
5522 * cfgexpand.c (aggregate_contains_union_type): New function.
5523 (add_alias_set_conflicts): Call it. Make sure to add conflicts
5524 for structure variables that contain a union type.
5526 2006-01-23 Richard Sandiford <richard@codesourcery.com>
5528 * gengtype.c (new_structure): Return the structure.
5529 (create_option): Add an extra "next" argument.
5530 (create_field): New function.
5531 (adjust_field_rtx_def): Use create_option and create_field.
5532 Remove a now-unnecessary call to find_structure.
5533 (adjust_field_tree_def): Likewise.
5534 (note_yacc_type): Remove an unnecessary call to find_structure.
5535 * gengtype.h (new_structure): Return the structure.
5536 (create_option): Add an extra argument.
5537 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
5538 (option): Adjust calls to create_option.
5540 2006-01-22 David Edelsohn <edelsohn@gnu.org>
5542 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
5544 2006-01-22 Paul Brook <paul@codesourcery.com>
5545 Peter Barada <peter@the-baradas.com>
5547 * config/m68k/m68k.md: Add Coldfire FPU support.
5548 Define FP mode macro and associated attributes.
5549 Use it for float mode patterns.
5550 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
5551 (LIBCALL_VALUE): Use m68k_libcall_value.
5552 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
5553 (m68k_function_value): Ditto.
5554 (emit_move_sequence): Ditto.
5555 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
5556 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
5557 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
5558 (MULTILIB_EXCEPTIONS): Ditto.
5559 * config/m68k/m68k.opt: Add mcfv4e.
5560 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
5561 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
5562 (m68k_output_function_prologue): Save ColdFire FPU registers.
5563 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
5564 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
5565 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
5566 ColdFire FPU registers.
5567 (m68k_libcall_value, m68k_function_value): New functions.
5568 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
5569 (LIBCALL_VALUE): Use m68k_libcall_value.
5570 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
5571 (MASK_COLDFIRE): Add MASK_CFV4E.
5572 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
5573 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
5574 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
5575 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
5576 (GO_IF_LEGITIMATE_ADDRESS): Use it.
5577 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
5578 * doc/invoke.tex: Document -mcfv4e on m68k.
5580 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
5582 * doc/contribute.texi: Change CVS to SVN and update the corresponding
5585 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
5588 * c-opts.c (c_common_handle_option): Don't include
5589 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
5590 * doc/invoke.texi (C++ Dialect Options): Document that
5591 -Wnon-virtual-dtor is no longer included in -Wall.
5593 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
5595 * gcov.c (print_version), gcov-dump.c (print_version),
5596 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
5599 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
5601 * df-scan.c (problem_SCAN): Added NULL reset function.
5602 (df_scan_reset_blocks): Added code to call reset block function
5603 (df_bb_refs_delete) Fixed comment.
5604 (df_insn_refs_delete): Made tolerant of deleting non existent info
5605 for dataflow problems that need to be reset.
5606 * df-core.c (df_set_blocks): Ditto.
5607 * df.h (struct df_problem): Added reset_fun.
5608 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
5609 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
5610 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
5611 functions to clear out all references to def-use or use-def chains.
5613 2006-01-21 Ben Elliston <bje@au.ibm.com>
5615 * varasm.c (assemble_real): Initialise data array.
5617 2006-01-20 Paul Brook <paul@codesourcery.com>
5619 Merge from csl-arm-branch.
5620 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
5621 * config/arm/arm.md (movdi): Force operands[1] to a register
5622 if we have a non-register source.
5623 (*arm_movdi, *movdf_soft_insn): Require that one of the
5624 operands be a register.
5625 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
5626 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
5628 2006-01-20 DJ Delorie <dj@redhat.com>
5630 * varasm.c (initialize_constant_valid_p): Allow pointers
5631 initialized from integer constants of lesser precision.
5632 (output_constant): Allow non-int-sized pointer modes to be
5633 initialized from integer constants.
5635 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
5638 * cppdefault.h (struct default_include): Add multilib flag.
5639 * cppdefault.c (cpp_include_defaults): Set it.
5640 * c.opt (-imultilib): New option.
5641 * c-opts.c (imultilib): New.
5642 (c_common_handle_option): Handle -imultilib.
5643 (c_common_post_options): Likewise.
5644 * c-incpath.c (add_standard_paths, register_include_chains):
5646 * c-incpath.h (register_include_chains): Add extra parameter.
5647 * gcc.c (do_spec_1): Generate -imultilib option.
5648 (The Specs Language): Update %I description.
5649 (process_command): Update copyright notice.
5650 * doc/cppopts.texi (-imultilib): Document.
5651 * doc/invoke.texi (-imultilib): Include in option summary.
5652 (%I): Update specs documentation.
5654 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
5656 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
5658 2006-01-20 Richard Sandiford <richard@codesourcery.com>
5660 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
5663 2006-01-20 Richard Guenther <rguenther@suse.de>
5664 Steven Bosscher <stevenb.gcc@gmail.com>
5666 PR rtl-optimization/24626
5667 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
5668 EDGE_TRUE_VALUE if in RTL mode.
5671 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
5672 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
5674 2006-01-20 Dirk Mueller <dmueller@suse.com>
5677 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
5678 instead of a special NOP marker.
5679 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
5680 NOP marker handling.
5681 * c-common.h (empty_body_warning): Add forward declaration.
5682 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
5683 Now uses IS_EMPTY_STMT() instead of special NOP markers.
5685 2006-01-20 Paul Brook <paul@codesourcery.com>
5687 * Makefile.in (lang_checks): Keep going if mkdir fails.
5689 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
5691 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
5692 be able to clean out basic block when not necessary.
5693 (df_scan_free): Fixed to properly delete information if df is
5694 unused before calling df_finish.
5695 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
5696 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
5698 (df_bb_refs_delete): New function.
5699 (df_refs_delete): Moved per block code to df_bb_refs_delete.
5700 * df-core.c (df_set_blocks): Added code to properly clean out
5701 unused blocks if they are not part of the blocks to consider.
5702 Added additional null check.
5703 (df_compact_blocks): Added basic block parameter to free_bb_fun to
5704 be able to clean out basic block when not necessary
5705 * df.h (df_free_bb_function): Ditto.
5706 (df_bb_refs_delete): New function.
5707 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
5708 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
5709 basic block parameter to be able to clean out basic block when not
5711 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
5712 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
5713 Fixed to properly delete information if df is unused before
5716 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
5718 PR rtl-optimization/25799
5719 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
5720 Corrected confluence operator to remove bits from op2 before oring
5721 with op1 rather than removing bits from op1.
5722 (df_ru_transfer_function): Corrected test on wrong bitmap which
5723 caused infinite loop. Both of these problems were introduced in
5724 the dataflow rewrite.
5726 2006-01-19 DJ Delorie <dj@redhat.com>
5728 * reload1.c (find_reload_regs): Note the details of reload
5729 failures in the dump file.
5730 (spill_failure): Likewise.
5732 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
5734 * loop-iv.c: Include df.h and hashtab.h.
5735 (enum iv_grd_result): New enum.
5736 (DF_REF_IV, DF_REF_IV_SET): New macros.
5737 (struct biv_entry): New.
5738 (df, bivs): New global variables.
5739 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
5740 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
5742 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
5743 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
5744 analyzed_for_bivness_p, record_biv): New functions.
5745 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
5746 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
5747 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
5749 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
5751 (iv_number_of_iterations): Use new interface to iv analysis.
5752 * loop-unroll.c: Do not include varray.h.
5753 (analyze_iv_to_split_insn): Use new interface to iv
5755 * loop-unswitch.c (may_unswitch_on): Ditto.
5756 * df.c (df_bitmaps_free): Only work for bbs for that structures are
5758 (df_bb_modify): Realloc tables to the new index.
5759 (df_find_use): New function.
5760 * df.h (df_find_use): Declare.
5761 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
5763 * cfgloop.h (struct rtx_iv): Remove analysed field.
5764 (iv_get_reaching_def): Removed.
5765 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
5766 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
5767 (loop-iv.o): Add df.h and hashtab.h dependency.
5768 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
5770 2006-01-20 Alan Modra <amodra@bigpond.net.au>
5773 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
5775 (__floatundisf, __floatundidf): Likewise.
5776 * libgcc2.h (IS_IBM_EXTENDED): Define.
5778 2006-01-19 DJ Delorie <dj@redhat.com>
5780 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
5782 2006-01-19 Paul Brook <paul@codesourcery.com>
5784 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
5785 as nothrow when unwinding tables are disabled.
5787 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5790 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
5791 of bit-field" when in system header.
5793 2006-01-19 DJ Delorie <dj@redhat.com>
5795 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
5796 the 16 bit shift limit of the m16c.
5798 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
5801 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
5802 * config/i386/i386.c (output_set_got): Output the label if we have one
5803 for the TARGET_DEEP_BRANCH_PREDICTION case.
5805 2006-01-19 Jan Hubicka <jh@suse.cz>
5806 H.J. Lu <hongjiu.lu@intel.com>
5807 Evandro Menezes <evandro.menezes@amd.com>
5809 * invoke.texi (generic): Document
5811 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
5812 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
5813 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
5814 (x86_use_incdec, x86_pad_returns): New variables
5815 (TARGET_CPU_DEFAULT_generic): New constant
5816 (TARGET_CPU_DEFAULT_NAMES): Add generic.
5817 (enum processor_type): Add generic32 and generic64.
5818 * i386.md (cpu attribute): Add generic32/generic64
5819 (movhi splitter): Behave sanely when both partial_reg_dependency and
5820 partial_reg_stall are set.
5821 (K8 splitters): Enable for generic as well.
5822 * predicates.md (incdec_operand): Use TARGET_INCDEC
5823 (aligned_operand): Avoid memory mismatch stalls.
5824 * athlon.md: Enable for generic64, new patterns for 128bit moves.
5825 * ppro.md: Enable for generic32
5826 * i386.c (generic64_cost, generic32_cost): New.
5827 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
5828 (x86_use_leave): Enable for generic64. (x86_use_sahf,
5829 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
5830 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
5831 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
5832 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
5833 x86_partial_reg_dependency, x86_memory_mismatch_stall,
5834 x86_accumulate_outgoing_args, x86_prologue_using_move,
5835 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
5836 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
5838 (x86_use_incdec, x86_pad_returns): New.
5839 (override_options): Add generic32 and generic64, translate "generic"
5840 to generic32/generic64 and "i686" to "generic32", refuse
5841 "generic32"/"generic64" as arch target.
5842 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
5843 (ix86_reorg): Honor PAD_RETURNS.
5845 2006-01-19 Diego Novillo <dnovillo@redhat.com>
5847 * tree-pretty-print.c (dump_generic_node): Handle
5848 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
5849 * cgraph.c (cgraph_expand_queue): Rename from
5850 cgraph_analyze_queue. Update all users.
5851 * cgraphunit.c (cgraph_assemble_pending_functions): Process
5852 cgraph_expand_queue.
5853 (cgraph_expand_all_functions): Likewise.
5854 (cgraph_finalize_pending_functions): Remove. Update callers.
5856 * tree.h (OMP_DIRECTIVE_P): Define.
5857 (OMP_PARALLEL_FN): Define.
5858 (OMP_PARALLEL_DATA_ARG): Define.
5859 (OMP_SECTIONS_SECTIONS): Define.
5860 * tree-pass.h (pass_expand_omp): Declare.
5861 * omp-low.c (struct omp_region): Declare.
5862 (struct omp_context): Remove fields 'parallel_type',
5863 'parallel_start_ix' and 'parallel_start_additional_args'.
5865 (struct omp_for_data): Rename from struct expand_omp_for_data.
5866 (omp_regions): New static variable.
5867 (root_omp_region): New static variable.
5868 (find_omp_clause): Make static.
5869 (is_in_combined_parallel_ctx): Remove.
5870 (is_combined_parallel): New.
5871 (extract_omp_for_data): Move earlier in the file.
5872 (workshare_safe_to_combine_p): New.
5873 (get_ws_args_for): New.
5874 (determine_parallel_type): Move earlier in the file.
5875 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
5877 (omp_copy_decl): Likewise.
5878 (create_omp_child_function): Likewise.
5879 (lookup_omp_region): New.
5880 (dump_omp_region): New.
5881 (debug_omp_region): New.
5882 (debug_all_omp_regions): New.
5883 (new_omp_region): New.
5884 (scan_omp_parallel): If parallel_nesting_level > 1, the
5885 directive is nested within another parallel directive.
5886 Set OMP_PARALLEL_FN.
5887 (scan_omp_for): Do not try to handle combined parallel+for
5889 Remove FIXME comment.
5890 (scan_omp_nested): Remove.
5891 (scan_omp_1): Do not call scan_omp_nested when
5892 parallel_nesting_level is > 1.
5893 Do not change the DECL_CONTEXT of local variables found.
5894 (lookup_decl_in_outer_ctx): New.
5895 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
5896 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
5897 (lower_reduction_clauses): Rename from expand_reduction_clauses.
5898 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
5899 If CTX is nested, lookup VAR in the outer context when
5900 building copy assignment.
5901 (lower_send_clauses): Rename from expand_send_clauses.
5902 If CTX is nested, lookup VAR in the outer context when
5903 building copy assignments.
5904 (lower_send_shared_vars): Rename from expand_send_shared_vars.
5905 If CTX is nested, lookup VAR in the outer context when
5906 building copy assignments.
5907 (expand_parallel_call): Rename from build_parallel_call.
5908 Handle combined parallel+workshare cases.
5909 Re-implement to emit code into the CFG.
5911 (expand_omp_parallel): Re-implement to emit code into the CFG.
5912 Call move_sese_region_to_fn to outline the sub-graph
5913 containing the parallel region.
5914 (expand_omp_for_1): Remove.
5915 (expand_omp_for_generic): Re-implement to emit code into the
5917 (expand_omp_for_static_nochunk): Likewise.
5918 (expand_omp_for_static_chunk): Likewise.
5919 (expand_omp_for): Likewise.
5920 (expand_omp_sections): Likewise.
5921 (remove_exit_barriers): New.
5922 (expand_omp_synch): New.
5924 (build_omp_regions_1): New.
5925 (build_omp_regions): New.
5926 (execute_expand_omp): New.
5927 (gate_expand_omp): New.
5928 (pass_expand_omp): Define.
5929 (lower_omp_sections): Rename from expand_omp_sections.
5930 Set OMP_SECTIONS_SECTIONS.
5931 (lower_omp_single_simple): Rename from expand_omp_single_simple.
5932 (lower_omp_single_copy): Rename from expand_omp_single_copy.
5933 (lower_omp_single): Rename from expand_omp_simple.
5934 (lower_omp_master): Rename from expand_omp_master.
5935 (lower_omp_ordered): Rename from expand_omp_ordered.
5936 (lower_omp_critical): Rename from expand_omp_critical.
5937 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
5938 (lower_omp_for): Re-implement.
5939 (lower_omp_parallel): Re-implement.
5940 (lower_regimplify): Rename from expand_regimplify.
5941 (lower_omp_1): Rename from expand_omp_1.
5942 If there are syntax errors in the program, replace every
5943 OpenMP directive with NOP.
5944 Call lower_omp_* instead of expand_omp_*.
5945 (lower_omp): Rename from expand_omp.
5947 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
5948 * tree-gimple.h (enum omp_parallel_type): Remove.
5949 (gimple_boolify): Declare extern.
5950 (find_omp_clause, determine_parallel_type): Remove.
5952 * gimple-low.c (lower_omp_directive): New.
5953 (lower_stmt): Call it.
5954 (record_vars_into): Move from ...
5955 (record_vars): ... here.
5956 Call record_vars_into with current_function_decl.
5958 * gimplify.c (struct gimplify_ctx): Remove fields
5959 combined_pre_p and combined_ctxp. Update users.
5960 (get_formal_tmp_var): Add documentation.
5961 (gimple_boolify): Make extern.
5962 (gimplify_expr_in_ctx): Remove. Update callers.
5963 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
5964 will always be a BIND_EXPR.
5965 (gimplify_expr): Handle OMP_RETURN_EXPR.
5966 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
5967 (OMP_PARALLEL): Add 3 operands.
5968 (OMP_SECTIONS): Add 1 operand.
5969 (OMP_RETURN_EXPR): Define.
5971 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
5972 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
5973 * tree-iterator.c (alloc_stmt_list): Assert that we are not
5974 creating a circular free list.
5975 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
5977 * tree-flow.h (move_sese_region_to_fn): Declare.
5978 (record_vars_into): Declare.
5979 * tree-cfg.c (make_omp_sections_edges): New.
5980 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
5981 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
5982 OMP_SECTIONS and OMP_SECTION.
5983 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
5984 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
5985 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
5986 (gather_blocks_in_sese_region): New.
5987 (struct move_stmt_d): Declare.
5989 (move_block_to_fn): New.
5990 (move_sese_region_to_fn): New.
5992 * passes.c (init_optimization_passes): Schedule
5993 pass_expand_omp after pass_init_datastructures.
5995 * tree-ssa-operands.c (get_expr_operands): Handle
5996 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
5997 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
5999 2006-01-19 Jeff Law <law@redhat.com>
6001 * tree-vrp.c (extract_range_from_assert): Refine the result range
6002 if the variable referenced by the ASSERT_EXPR has a range and
6003 either the tentative result range or the previous range is a
6006 2006-01-19 Richard Sandiford <richard@codesourcery.com>
6008 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
6010 2006-01-19 Jan Hubicka <jh@suse.cz>
6012 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
6014 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
6016 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
6017 (expand_compound_operation, expand_field_assignment): Fail if the
6018 bit lengths of an extract operation are out of range.
6019 (make_extraction): Compute wanted_inner_mode based on the position
6020 and length of the extraction. Make it extraction_mode for non-constant
6021 positions, and do not modify offset in that case. When generating a
6022 new MEM, use a mode that can hold the extraction while keeping correct
6023 alignment. Remove code that supported MEMs wrapped by USEs.
6024 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
6026 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
6028 * config/s390/s390.md ("Y", "y"): New mode attribute.
6029 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
6030 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
6031 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
6032 "*addsi3_imm_cc", "*addsi3_carry1_cc",
6033 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
6034 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
6035 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
6036 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
6037 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
6038 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
6039 "addsi3", "subsi3"): Insn patterns removed.
6040 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
6041 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
6042 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
6043 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
6044 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
6045 "*sub<mode>3_cconly2"): New insn patterns.
6046 ("addsi3", "subsi3"): New expanders.
6048 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
6050 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
6051 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
6052 existing STMT_VINFO_VECTYPE if available.
6053 (vect_mark_relevant): Add special handling for stmts that are
6054 marked as STMT_VINFO_IN_PATTERN_P.
6055 (vect_analyze_loop): Call vect_pattern_recog.
6056 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
6057 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
6059 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
6060 (vect_recog_func_ptr): New function-pointer type.
6061 * tree-vect-patterns.c: New file.
6062 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
6063 (vect_recog_dot_prod_pattern, vect_pattern_recog):
6064 (vect_pattern_recog_1): New functions.
6065 (vect_pattern_recog_funcs): New array of function pointers.
6067 * tree-vectorizer.h (ternary_op): New enum value.
6068 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
6069 declaration. Revised documentation. Removed redundant dump prints.
6070 Removed redundant argument. Added support for reduction patterns.
6071 (vectorizable_reduction): Added support for reduction patterns.
6072 (vect_transform_stmt): Added support for patterns.
6074 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
6075 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
6076 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
6077 (expand_widen_pattern_expr): New function.
6078 (init_optabs): Initialize new optabs udot_prod_optab,
6080 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
6081 (sdot_prod_optab, udot_prod_optab): Define new optabs.
6082 (expand_widen_pattern_expr): New function declaration.
6083 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
6085 * tree-inline.c (estimate_num_insns_1): Added cases for new
6086 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
6087 * tree-pretty-print.c (dump_generic_node): Likewise.
6088 (op_prio): Likewise.
6089 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
6090 * tree-ssa-operands.c (get_expr_operands): Added case for
6092 * tree-vect-patterns.c (widened_name_p): New function.
6093 (vect_recog_dot_prod_pattern): Added function implementation.
6094 * tree-vect-transform.c (get_initial_def_for_reduction): Added
6095 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
6096 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
6097 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
6099 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
6100 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
6101 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
6102 (init_optabs): Initialize new optabs widen_ssum_optab,
6104 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
6105 (widen_ssum_optab, widen_usum_optab): Define new optabs.
6106 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
6107 use instead of type of def.
6108 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
6109 function implementation.
6110 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
6111 widen_ssumv8hi): New.
6113 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
6116 2006-01-19 Richard Sandiford <richard@codesourcery.com>
6119 * c-decl.c (add_flexible_array_elts_to_size): New function.
6120 (finish_decl): Use it.
6122 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
6124 * diagnostic.h: Include options.h.
6125 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
6126 dependancies for diagnostic.h.
6127 * Makefile.in (DIAGNOSTIC_H): Add options.h.
6129 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
6131 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
6132 (ssa_ro_call_cache_valid): Ditto.
6133 * tree-ssa-alias.c (sort_tags_by_id): New function.
6134 (init_transitive_clobber_worklist): Ditto.
6135 (add_to_worklist): Ditto.
6136 (mark_aliases_call_clobbered): Ditto.
6137 (compute_tag_properties): Ditto.
6138 (set_initial_properties): Ditto.
6139 (compute_call_clobbered): Ditto.
6140 (compute_may_aliases): Call compute_call_clobbered and grouping.
6141 (compute_flow_sensitive_aliasing): Remove clobbering related code.
6142 (compute_flow_insensitive_aliasing): Grouping now happens in our
6144 (setup_pointers_and_addressables): Remove clobbering related code.
6145 (add_may_alias): Ditto.
6146 (replace_may_alias): Ditto.
6147 (get_nmt_for): Ditto.
6148 (create_global_var):
6149 (is_escape_site): Return an escape_type enumeration.
6150 * tree-flow-inline.h (is_call_clobbered): Global var does not
6151 imply call clobbered.
6152 (mark_call_clobbered): Take a reason for marking this. Remove
6153 marking of globalness, and cache invalidation.
6154 (clear_call_clobbered): Remove cache invalidation code.
6155 * tree-dfa.c (dump_variable): If details is on, dump the reason
6157 * tree-outof-ssa.c (create_temp): Copy escape mask from original
6159 * tree-flow.h (struct ptr_info_def): Add escape mask member.
6160 (struct var_ann_d): Ditto.
6161 (enum escape_type): New.
6162 (mark_call_clobbered): Adjust prototype.
6163 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
6164 are never call clobbered.
6165 Record reasons for escaping.
6166 * tree-ssa-structalias.h (is_escape_site): Update prototype.
6167 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
6168 (ssa_ro_call_cache_valid): Ditto.
6169 (clobbered_v_may_defs): Ditto.
6170 (clobbered_vuses): Ditto.
6171 (ro_call_vuses): Ditto.
6172 (clobber_stats): New.
6173 (init_ssa_operands): Zero out clobber stats.
6174 (fini_ssa_operands): Print out clobber stats.
6175 (get_call_expr_operands): Pass callee fndecl to
6177 (add_call_clobber_ops): Remove use of cache.
6178 Add use of PURE_CONST information.
6179 (add_call_read_ops): Remove use of cache.
6180 Add use of static not_read information.
6182 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
6184 Introduce TLS descriptors for i386 and x86_64.
6185 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
6186 (TARGET_ANY_GNU_TLS): New macro.
6187 (enum tls_dialect): Added TLS_DIALECT_GNU2.
6188 (struct machine_function): Add tls_descriptor_call_expanded_p.
6189 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
6190 (ix86_current_function_calls_tls_descriptor): Likewise.
6191 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
6192 (override_options): Introduce gnu2 tls dialect.
6193 (ix86_frame_pointer_required): Functions containing TLSCALLs are
6195 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
6197 (legitimize_tls_address): Adjust logic for GNU2 TLS.
6198 (ix86_init_machine_status): Initialize new field.
6199 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
6200 (ix86_tls_module_base): New.
6201 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
6202 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
6203 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
6204 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
6205 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
6206 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
6207 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
6208 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
6209 * config/i386/predicates.md (tls_modbase_operand): New.
6210 (tp_or_register_operand): New.
6212 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
6214 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
6215 (look_for_address_of): Ditto.
6216 (ipa_init): Walk the function decls.
6217 (static_execute): Don't set readonly on FUNCTION_DECL's.
6219 2006-01-18 Roger Sayle <roger@eyesopen.com>
6221 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
6222 for shifts where the source and destination registers are different.
6224 2006-01-18 Paul Brook <paul@codesourcery.com>
6226 Merge from csl-arm-branch.
6227 2005-03-14 Julian Brown <julian@codesourcery.com>
6228 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
6229 (aeabi_llsl): Likewise.
6230 (ashrdi3): Likewise.
6231 (aeabi_lasr): Likewise.
6232 (lshrdi3): Likewise.
6233 (aeabi_llsr): Likewise.
6234 2005-03-10 Julian Brown <julian@codesourcery.com>
6235 * config.gcc: Disable shared libgcc for SymbianOS.
6236 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
6238 2006-01-18 DJ Delorie <dj@redhat.com>
6240 * c-pragma.c (handle_pragma_diagnostic): New.
6241 (init_pragma): Register it.
6242 * doc/extend.texi: Document it.
6244 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
6245 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
6246 (diagnostic_context): Add classify_diagnostic[].
6247 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
6248 as errors if they're overridden to DK_WARNING.
6249 (diagnostic_initialize): Initialize classify_diagnostic[].
6250 (diagnostic_set_kind_override): New.
6251 (diagnostic_report_diagnostic): Check for kind changes.
6252 * opts.c (common_handle_option): Take lang_mask. Update callers.
6254 * common.opt (Werror=): New.
6255 * doc/invoke.texi: Document -Werror=*
6257 2006-01-18 Jeff Law <law@redhat.com>
6259 * tree-vrp.c (test_for_singularity): Correct test for new
6260 min limit. Use operand_equal_p rather than pointer equality
6261 for testing if new min/max values are equal.
6263 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
6264 using range information until after propagation and folding.
6266 2006-01-18 Richard Henderson <rth@redhat.com>
6267 Aldy Hernandez <aldyh@redhat.com>
6268 Jakub Jelinek <jakub@redhat.com>
6269 Diego Novillo <dnovillo@redhat.com>
6271 * omp-low.c: New file.
6272 * c-omp.c: New file.
6274 2006-01-18 Richard Henderson <rth@redhat.com>
6275 Jakub Jelinek <jakub@redhat.com>
6276 Diego Novillo <dnovillo@redhat.com>
6278 * doc/invoke.texi: Document -fopenmp.
6279 * tree-dump.h (debug_function): Declare.
6280 * hooks.c (hook_bool_tree_bool_false): New function.
6281 (hook_tree_tree_null): Remove.
6282 (hook_tree_tree_tree_null): New.
6283 * hooks.h: Update to match.
6284 * tree-pretty-print.c (debug_tree_chain): New.
6285 (print_generic_expr): Handle TDF_CHAIN.
6286 (dump_generic_node): Handle BLOCK.
6287 Do not abort with incomplete SWITCH_EXPRs.
6288 Do not dump body of an OpenMP directive if TDF_SLIM is given.
6289 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
6290 print space after directive name.
6291 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
6292 Handle OMP_MASTER and OMP_ORDERED.
6293 Handle printing of OMP_BODY just in one place, goto
6294 dump_omp_body in the rest of OMP_* nodes that have
6296 Don't handle clause nodes here. Update omp statements to
6297 use dump_omp_clauses.
6298 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
6299 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
6300 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
6301 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
6302 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
6303 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
6304 Adjust output for GOMP_PARALLEL.
6305 (dump_omp_clauses): New.
6306 (print_declaration): Dump DECL_VALUE_EXPR.
6307 (op_symbol_1): Split out of op_symbol.
6308 (dumping_stmts): Remove. Update all users.
6309 * cgraph.c (cgraph_analyze_queue): New.
6310 (cgraph_add_new_function): New.
6311 * cgraph.h (cgraph_analyze_queue): Declare.
6312 (cgraph_add_new_function): Declare.
6313 (cgraph_lower_function): Remove.
6314 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
6315 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
6316 and TYPE_P nodes in its default clause.
6317 (empty_body_p): New.
6318 (tree_range_check_failed): New.
6320 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
6321 OMP_CLAUSE_REDUCTION_MERGE,
6322 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
6323 OMP_CLAUSE_PRIVATE_DEBUG,
6324 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
6325 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
6326 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
6327 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
6328 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
6329 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
6330 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
6331 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
6332 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
6333 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
6334 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
6335 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
6336 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
6337 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
6338 (TREE_RANGE_CHECK): New.
6339 (empty_body_p): Declare.
6340 (enum omp_clause_default_kind): New.
6341 (build_string_literal): Declare.
6342 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
6343 (build5_stat, build5): Declare.
6344 * tree-pass.h (TDF_CHAIN): Define.
6345 * tree-pass.h (PROP_gimple_lomp): Define.
6346 (pass_lower_omp): Declare.
6347 * diagnostic.h (debug_tree_chain): Declare.
6348 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
6350 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
6351 * builtins.c (build_string_literal): Make extern.
6352 * gcc.c (include_spec_function): New.
6353 (static_spec_functions): Add it.
6354 (main): Move load of libgomp.spec ...
6355 (LINK_COMMAND_SPEC): ... here.
6356 (link_gomp_spec): New.
6357 (static_specs): Include it.
6358 (LINK_COMMAND_SPEC): Add link_gomp.
6359 (GOMP_SELF_SPECS): New.
6360 (driver_self_specs): Include it.
6361 (switch_matches): Don't mark inline.
6362 (main): Load libgomp.spec.
6363 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
6364 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
6365 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
6366 * tree-gimple.h (enum omp_parallel): Declare.
6367 (determine_parallel_type): Declare.
6368 (omp_firstprivatize_variable): Declare.
6369 (omp_reduction_init): Declare.
6370 (diagnose_omp_structured_block_errors): Declare.
6371 (struct walk_stmt_info): Add want_return_expr.
6372 (struct walk_stmt_info): Add want_bind_expr, want_locations.
6373 (find_omp_clause): Declare.
6374 (insert_field_into_struct): Declare.
6375 (struct walk_stmt_info): Move from tree-nested.c
6376 (walk_stmts): Declare.
6377 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
6379 * cgraphunit.c (cgraph_lower_function): Make static.
6380 (cgraph_finalize_pending_functions): New.
6381 (cgraph_finalize_function): Call it.
6382 (cgraph_finalize_compilation_unit): Likewise.
6383 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
6384 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
6385 (BT_FN_UINT_UINT): New.
6386 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
6387 DEF_FUNCTION_TYPE_VAR_4): Document.
6388 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
6389 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
6390 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
6391 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
6392 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
6393 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
6394 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
6395 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
6396 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
6397 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
6398 into separate files.
6399 (DEF_GOMP_BUILTIN): New.
6400 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
6401 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
6402 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
6403 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
6404 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
6405 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
6406 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
6407 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
6408 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
6409 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
6410 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
6411 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
6412 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
6413 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
6414 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
6415 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
6416 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
6417 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
6418 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
6419 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
6420 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
6421 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
6422 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
6423 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
6424 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
6425 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
6426 * sync-builtins.def: New file, moved from builtins.def.
6427 * omp-builtins.def: New file, moved from builtins.def.
6428 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
6429 * gimple-low.c (lower_function_body): Clear data.
6430 (lower_stmt): Do not handle COMPOUND_EXPR.
6431 Remove call to print_node_brief.
6432 * c-tree.h (c_finish_omp_clauses): New prototype.
6433 (C_DECL_THREADPRIVATE_P): Define.
6434 (lookup_name_no_remap, c_omp_remap_private): Remove
6435 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
6436 (check_for_loop_decls): Update decl.
6437 (lookup_name_no_remap, c_omp_remap_private): Declare.
6438 (build_indirect_ref, build_modify_expr, pushdecl,
6439 pushdecl_top_level): Move to c-common.h.
6440 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
6441 before the switch, but just in the 2 places that need it.
6442 * c-decl.c (diagnose_mismatched_decls): Do not check for
6443 mismatched thread-local attributes when OLDDECL is marked
6444 threadprivate and NEWDECL has no thread-local attributes.
6445 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
6446 (c_gimple_diagnostics_recursively): Rename from
6447 c_warn_unused_result_recursively. Invoke
6448 diagnose_omp_structured_block_errors.
6449 (check_for_loop_decls): Return a singular decl found.
6450 * langhooks.c (lhd_omp_predetermined_sharing): Return
6451 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
6452 (lhd_omp_firstprivatize_type_sizes): New.
6453 (lhd_omp_assignment): New.
6454 (lhd_omp_predetermined_sharing): New.
6455 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
6456 (struct lang_hooks_for_types): Add
6457 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
6458 omp_predetermined_sharing, omp_disregard_value_expr,
6459 omp_private_debug_clause, omp_clause_default_ctor,
6460 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
6461 (c_finish_omp_clauses): New.
6462 (c_finish_bc_stmt): Diagnose break within omp for.
6463 (c_begin_omp_parallel, c_finish_omp_parallel): New.
6464 (build_unary_op): Return error_mark after reporting
6466 (build_modify_expr): Likewise.
6467 * gimplify.c: Include optabs.h and pointer-set.h.
6468 (enum gimplify_omp_var_data): Declare.
6469 (struct gimplify_omp_ctx): Declare.
6470 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
6472 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
6473 (push_gimplify_context, pop_gimplify_context): Allow nesting.
6474 (splay_tree_compare_decl_uid): New.
6475 (new_omp_context): New.
6476 (delete_omp_context): New.
6477 (gimple_add_tmp_var): Call omp_add_variable.
6478 (gimplify_bind_expr): Likewise.
6479 (gimplify_var_or_parm_decl): If omp_notice_variable returned
6480 true, disregard DECL_VALUE_EXPR on the decl if any.
6481 (gimplify_expr_in_ctx): New.
6482 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
6483 omp_add_variable, omp_notice_variable, omp_is_private
6484 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
6485 gimplify_adjust_omp_clauses, gimplify_omp_parallel
6486 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
6487 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
6488 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
6489 gimplify_omp_atomic): New.
6490 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
6491 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
6492 OMP_CRITICAL and OMP_ATOMIC.
6493 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
6494 * c-pragma.h (enum pragma_kind): Add
6495 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
6496 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
6497 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
6498 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
6499 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
6500 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
6501 PRAGMA_OMP_THREADPRIVATE.
6502 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
6503 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
6504 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
6505 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
6506 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
6507 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
6508 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
6509 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
6510 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
6511 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
6512 * tree-ssa-dce.c (find_control_dependence): Do not assume that
6513 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
6514 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
6516 (struct nesting_info): Add field_map,
6517 suppress_expansion, debug_var_chain.
6518 (create_nesting_tree): Initialize them.
6519 (lookup_field_for_decl): Use field_map.
6520 (get_nonlocal_debug_decl, get_local_debug_decl): New.
6521 (convert_local_omp_clauses): New.
6522 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
6523 (walk_body): Split out of walk_function.
6524 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
6525 (convert_nonlocal_reference): Handle omp statements.
6526 (convert_local_reference): Likewise.
6527 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
6528 (unnest_nesting_tree): New.
6529 (lower_nested_functions): Call it.
6530 (insert_field_into_struct): Make extern.
6531 (struct walk_stmt_info): Move to tree-gimple.h.
6532 (walk_stmts): Make extern.
6533 * omp-builtins.def: New file.
6534 * tree-iterator.c (expr_only): Clarify comment.
6535 * c-common.h (pushdecl_top_level, pushdecl,
6536 build_modify_expr, build_indirect_ref,
6537 c_finish_omp_master, c_finish_omp_critical,
6538 c_finish_omp_ordered, c_finish_omp_barrier,
6539 c_finish_omp_atomic, c_finish_omp_flush,
6540 c_finish_omp_for, c_split_parallel_clauses,
6541 omp_clause_default_kind, c_omp_sharing_predetermined,
6542 c_omp_remap_decl): Declare.
6543 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
6544 (OBJS-common): Add omp-low.o.
6545 (c-omp.o, omp-low.o): Add.
6546 (gimplify.o): Add dependency on $(OPTABS_H).
6547 (GTFILES): Add omp-low.c.
6548 (gt-stringpool.h): Add.
6549 * tree-cfg.c (set_bb_for_stmt): Do not update the
6550 block-to-labels map if we are currently expanding to RTL.
6551 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
6553 Handle IDENTIFIER_NODE.
6554 (tree_verify_flow_info): Do not ICE when emitting error
6555 messages about invalid labels.
6556 (dump_function_to_file): Reset CFUN before emitting the body
6558 (debug_function): New.
6559 * passes.c (init_optimization_passes): Schedule
6561 * langhooks-def.h (lhd_omp_predetermined_sharing,
6562 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
6564 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
6565 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
6566 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
6567 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
6568 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
6569 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
6570 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
6571 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
6572 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
6573 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
6574 (LANG_HOOK_DECLS): Use them.
6576 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
6577 Richard Henderson <rth@redhat.com>
6578 Jakub Jelinek <jakub@redhat.com>
6579 Diego Novillo <dnovillo@redhat.com>
6581 * c-parser.c (pragma_omp_clause): Define.
6582 (c_parser_declaration_or_fndef): Document OpenMP syntax.
6583 (c_parser_compound_statement): Likewise.
6584 (c_parser_statement): Likewise.
6585 (c_parser_pragma): Handle omp pragmas.
6586 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
6587 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
6588 (c_parser_omp_clause_name, check_no_duplicate_clause,
6589 c_parser_omp_variable_list,
6590 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
6591 c_parser_omp_clause_copyprivate,
6592 c_parser_omp_clause_default,
6593 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
6594 c_parser_omp_clause_lastprivate,
6595 c_parser_omp_clause_nowait,
6596 c_parser_omp_clause_num_threads,
6597 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
6598 c_parser_omp_clause_reduction,
6599 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
6600 c_parser_omp_all_clauses, c_parser_omp_structured_block,
6601 c_parser_omp_atomic, c_parser_omp_barrier,
6602 c_parser_omp_critical, c_parser_omp_flush,
6603 c_parser_omp_for_loop, c_parser_omp_for,
6604 c_parser_omp_master, c_parser_omp_ordered,
6605 c_parser_omp_sections_scope, c_parser_omp_sections,
6606 c_parser_omp_parallel, c_parser_omp_single,
6607 c_parser_omp_construct, c_parser_omp_threadprivate): New.
6608 * c-pragma.c (init_pragma): Do omp pragma registration here.
6609 * c.opt (fopenmp): New flag.
6611 2006-01-18 Eric Christopher <echristo@apple.com>
6613 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
6614 * config/darwin.h (GOMP_SELF_SPECS): Define.
6616 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
6618 * rtl.h: Remove the prototype for reg_alloc.
6620 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6623 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
6624 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
6625 sjlj and dwarf2 exception handling.
6626 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
6627 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
6628 * pa/pa.c (function_value): Treat complex and vector types as
6630 (function_arg): Likewise. Only pass scalar floats in the floating
6631 point argument registers.
6632 * pa/t-slibgcc-dwarf-ver: New file.
6633 * pa/t-slibgcc-sjlj-ver: New file.
6634 * pa/t-slibgcc-elf-ver: Delete file.
6636 2006-01-19 Alan Modra <amodra@bigpond.net.au>
6638 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
6639 unlikely_test_section_p test.
6641 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
6643 * mode-switching.c (optimize_mode_switching): Make it static.
6644 * basic-block.h: Remove the prototype for
6645 optimize_mode_switching.
6647 * modulo-sched.c (sms_schedule): Make it static.
6648 * rtl.h: Remove the prototype for sms_schedule.
6650 * postreload-gcse.c (gcse_after_reload_main): Make it static.
6651 * rtl.h: Remove the prototype for gcse_after_reload_main.
6653 * reg-stack.c (reg_to_stack): Make it static.
6654 * rtl.h: Remove the prototype for reg_to_stack.
6656 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
6658 * rtl.h: Remove the prototypes for regrename_optimize and
6659 copyprop_hardreg_forward.
6661 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
6663 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
6664 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
6665 Test against the appropriate null constant for the mode.
6666 If 'fixup_overlap' is true, swap the operands if they overlap.
6667 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
6668 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
6669 alpha_split_tmode_pair and adjust for above change.
6670 * config/alpha/alpha.md (movtf_internal): Adjust call to
6671 alpha_split_tfmode_pair and rely on it to swap the operands.
6672 (movti_internal): New insn and post-reload splitter.
6673 (movti): New expander.
6675 2006-01-18 Philippe De Muyter <phdm@macqel.be>
6677 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
6680 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
6682 * rtlanal.c (global_reg_mentioned_p_1,
6683 global_reg_mentioned_p): Remove.
6684 * rtl.h: Remove the prototype for global_reg_mentioned_p.
6686 * flow.c (initialize_uninitialized_subregs): Make it static.
6687 * rtl.h: Remove the prototype for
6688 initialize_uninitialized_subregs.
6690 * function.c (instantiate_virtual_regs): Make it static.
6691 * function.h: Remove the prototype for
6692 instantiate_virtual_regs.
6694 * regmove.c (regmove_optimize, combine_stack_adjustments):
6696 * rtl.h: Remove the prototypes for regmove_optimize and
6697 combine_stack_adjustments.
6699 2006-01-17 Roger Sayle <roger@eyesopen.com>
6701 * config/i386/i386.c (COSTS_N_BYTES): New macro.
6702 (size_cost): Encode costs in bytes so that a reg-reg addition is
6703 equivalent to COSTS_N_INSNS(1).
6704 (override_options): Use the size_cost.branch_cost as the default
6705 ix86_branch_cost when optimizing for size.
6707 2006-01-18 Ben Elliston <bje@au.ibm.com>
6709 * Makefile.in (D32PBIT_FUNCS): New.
6710 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
6711 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
6712 D64PBIT_FUNCS and D128PBIT_FUNCS.
6713 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
6714 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
6716 (decnumber_dep): Define.
6717 * doc/libgcc.texi (Decimal float library routines): New node.
6718 * config/dfp-bit.h, config/dfp-bit.c: New files.
6720 2006-01-18 Ben Elliston <bje@au.ibm.com>
6722 * expr.c (emit_move_change_mode): Always adjust addresses, not
6723 just during reload. Copy replacements only during reload.
6724 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
6725 emit_move_via_integer.
6727 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
6729 * Makefile.in (check-%, check-consistency): Use $${srcdir}
6730 instead of $(srcdir) and ${srcdir}.
6732 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
6736 * arm.h (struct machine_function): Add pic_reg.
6737 * arm.c (arm_pic_register): Make unsigned.
6738 (arm_override_options): Only set arm_pic_register if
6739 TARGET_SINGLE_PIC_BASE.
6740 (use_return_insn): Only test for a pic register if it is fixed.
6741 (arm_compute_save_reg0_reg12_mask): Likewise.
6742 (thumb_compute_save_reg_mask): Likewise.
6743 (legitimate_pic_operand): Factor out some known invariants.
6744 (legitimize_pic_address): If we don't have a fixed pic register,
6745 then set up a pseudo in the function entry sequence. Handle the
6746 pic base being in a pseudo.
6747 (arm_load_pic_register): Handle the pic register being in a pseudo.
6748 (arm_expand_prologue): Only set up the pic register if it is fixed.
6749 (thumb_expand_prologue): Likewise.
6750 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
6751 (pic_load_addr_based_insn): Likewise.
6752 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
6755 2006-01-18 Ben Elliston <bje@au.ibm.com>
6757 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
6758 decimal float modes for all floating point registers.
6760 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
6761 match_code "mem" with match_test "macho_lo_sum_memory_operand".
6763 2006-01-17 Jakub Jelinek <jakub@redhat.com>
6766 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
6767 even when the pointer is not NULL.
6769 2006-01-16 Ian Lance Taylor <ian@airs.com>
6771 * common.opt (ftoplevel-reorder): New option.
6772 * cgraph.c (cgraph_asm_nodes): New global variable.
6773 (cgraph_asm_last_node): New static variable.
6774 (cgraph_order): New global variable.
6775 (cgraph_create_node): Set new order field.
6776 (cgraph_varpool_node): Likewise.
6777 (decide_is_variable_needed): Return true if not
6778 flag_toplevel_reorder.
6779 (cgraph_add_asm_node): New function.
6780 * cgraph.h (struct cgraph_node): Add order field.
6781 (struct cgraph_varpool_node): Add order field.
6782 (struct cgraph_asm_node): Define.
6783 (cgraph_asm_nodes, cgraph_order): Declare.
6784 (cgraph_add_asm_node): Declare.
6785 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
6787 (cgraph_varpool_assemble_pending_decls): Call it.
6788 (cgraph_output_pending_asms): New static function.
6789 (cgraph_finalize_compilation_unit): Call it.
6790 (struct cgraph_order_sort): Define.
6791 (cgraph_output_in_order): New static function.
6792 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
6793 !flag_toplevel_reorder case.
6794 * c-parser.c: Include "cgraph.h".
6795 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
6797 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
6798 than -fno-unit-at-a-time.
6799 * doc/invoke.texi (Option Summary): Mention
6800 -fno-toplevel-reorder.
6801 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
6802 -funit-at-a-time documentation.
6804 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
6805 Kazu Hirata <kazu@codesourcery.com>
6807 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
6809 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
6811 * Makefile.in (FUNCTION_H): New. Use it instead of
6812 function.h throughout the file.
6813 * function.h: Include tree.h.
6815 2006-01-17 Ben Elliston <bje@au.ibm.com>
6817 * recog.c: Separate some functions with whitespace.
6819 2006-01-16 Richard Henderson <rth@redhat.com>
6821 Merge from gomp branch:
6822 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
6823 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
6824 and rename from struct inline_data. Rename callee* to dst*;
6825 caller* to src*; add copy_decl hook, transform_call_graph_edges,
6826 transform_new_cfg, transform_return_to_modify, and
6827 transform_lang_insert_block flags; remove cloning_p, versioning_p,
6829 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
6830 (copy_decl_for_dup): Remove.
6831 * tree-inline.c (struct inline_data): Move to header.
6832 (insert_decl_map): Export.
6833 (remap_decl): Update for member name changes. Use copy_decl hook.
6834 Allow for replacement to be a non-decl. Remove dead code.
6835 (remap_type_1): Check for existing mapping.
6836 (remap_type): Export.
6837 (remap_decls): Update for member name changes.
6838 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
6839 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
6840 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
6841 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
6842 (tree_function_versioning, build_duplicate_type): Likewise.
6843 (copy_body_r): Likewise. Export.
6844 (copy_decl_for_dup): Split into ...
6845 (copy_decl_for_dup_finish, copy_decl_to_var,
6846 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
6847 (replace_ref_tree, inlining_p): Remove.
6849 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
6851 * ifcvt.c (if_convert): Make it static.
6852 * rtl.h: Remove the prototype for if_convert.
6854 * local-alloc.c (local_alloc): Make it static.
6855 * rtl.h: Remove the prototype for local_alloc.
6857 * loop.c (loop_optimize): Make it static.
6858 * cfgloop.h: Remove the prototype for loop_optimize.
6861 2006-01-16 DJ Delorie <dj@redhat.com>
6863 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
6866 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6868 * pa.md: Disparage copies between general and floating-point registers
6869 in 32-bit move patterns.
6871 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
6874 * Makefile.in (check-%): Depend on site.exp instead of
6875 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
6878 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
6880 * global.c (global_alloc): Make it static.
6881 * rtl.h: Remove the prototype for global_alloc.
6883 2006-01-16 Richard Guenther <rguenther@suse.de>
6885 * tree-ssa-alias.c (struct used_part): Add write_only field.
6886 (get_or_create_used_part_for): Initialize it to true.
6887 (create_overlap_variables_for): Don't create structure variables
6888 for structures that only are written to.
6889 (find_used_portions): Handle MODIFY_EXPR to track whether a
6890 structure is only written to.
6892 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
6894 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
6896 * basic-block.h: Remove the prototype for
6897 partition_hot_cold_basic_blocks.
6899 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
6901 * cppspec.c (lang_specific_spec_functions): Remove.
6902 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
6903 * gcc.h (lang_specific_spec_functions): Remove.
6904 * gccspec.c (lang_specific_spec_functions): Remove.
6906 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
6908 * combine.c (record_value_for_reg): Invalidate registers
6910 (record_dead_and_set_regs_1): Likewise, by passing them to
6911 record_value_for_reg.
6912 (record_dead_and_set_regs): Invalidate stores made by a
6913 call. We do not combine across a call, but we still
6914 relied on equivalences.
6916 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
6918 * tree-vrp.c (extract_range_from_binary_expr): Cope with
6919 vrp_int_const_binop returning non-constant nodes.
6921 2006-01-16 Paul Brook <paul@codesourcery.com>
6923 * config/m68k/m68k.c (output_move_const_into_data_reg):
6924 Output correct mnemonic for mvz and mvs.
6926 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
6928 * rtl-factoring.c: Add sequence abstraction algorithm.
6929 * cfgcleanup.c (outgoing_edges_match): Extra checks.
6930 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
6932 (block_has_preserve_label): New function.
6933 * common.opt: Register new pass.
6934 * Makefile.in: Ditto.
6936 * timevar.def: Ditto.
6937 * tree-pass.h: Ditto.
6938 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
6939 * rtl.h (make_jump_insn_raw): Add forward decl.
6940 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
6942 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
6943 Roger Sayle <roger@eyesopen.com>
6945 * fold-const.c (fold_minmax): New static function.
6946 (fold_binary) <MIN_EXPR>: Call it.
6947 <MAX_EXPR>: Likewise.
6948 * stor-layout.c (place_field): Use DECL_SIZE consistently
6949 in the computation of the new record size.
6951 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
6953 * cse.c (cse_condition_code_reg): Make it static.
6954 * rtl.h: Remove the prototype for cse_condition_code_reg.
6956 * combine.c (combine_instructions): Make it static.
6957 * rtl.h: Remove the prototype for combine_instructions.
6959 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6962 * tree.c (get_file_function_name_long): Concatenate the first global
6963 object name with a string derived from the input filename of the object
6966 2006-01-16 Ben Elliston <bje@au.ibm.com>
6968 * config/i386/winnt-stubs.c: Update FSF address.
6969 * config/xtensa/ieee754-df.S: Ditto.
6970 * config/xtensa/ieee754-sf.S: Ditto.
6972 2006-01-14 Ian Lance Taylor <ian@airs.com>
6974 * ifcvt.c (noce_init_if_info): New static function, broken out of
6975 noce_process_if_block.
6976 (noce_process_if_block): Call noce_init_if_info.
6977 (check_cond_move_block): New static function.
6978 (cond_move_process_if_block): New static function.
6979 (process_if_block): Call cond_move_process_if_block.
6981 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
6983 * cselib.c (hash_table): Rename to cselib_hash_table.
6984 (cselib_clear_table, discard_useless_values,
6985 remove_useless_values, cselib_lookup_mem, cselib_lookup,
6986 cselib_init, cselib_finish): Adjust uses of hash_table.
6988 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
6990 PR tree-optimization/25485
6991 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
6992 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
6993 is known to be false and true, respectively.
6995 2006-01-14 Richard Guenther <rguenther@suse.de>
6997 PR tree-optimization/22548
6998 PR tree-optimization/22555
6999 PR tree-optimization/22501
7000 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
7001 * params.def (salias-max-array-elements): New parameter.
7002 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
7003 * doc/invoke.texi (salias-max-array-elements): Document.
7004 * tree-flow-inline.h (var_can_have_subvars): We also handle
7006 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
7008 * tree-ssa-structalias.c (params.h): Include.
7009 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
7010 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
7011 (get_constraint_for): For ADDR_EXPR operating on something
7012 containing an ARRAY_REF, add all subvars to the solution.
7013 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
7014 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
7015 for creating MUST_DEFs.
7016 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
7018 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
7020 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
7022 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
7023 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7024 number_of_iterations_le): New functions.
7025 (number_of_iterations_special): Removed.
7026 (number_of_iterations_exit): Do not use number_of_iterations_special.
7027 * tree.c (unsigned_type_for): Always return integer type.
7029 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
7030 Richard Guenther <rguenther@suse.de>
7032 PR rtl-optimization/24257
7033 * gcse.c (find_moveable_store): Only consider a store movable
7034 when the SET_SRC of the insn can be assigned to a register.
7036 2006-01-14 Ian Lance Taylor <ian@airs.com>
7038 * tree.c (tree_not_class_check_failed): New function.
7039 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
7040 (tree_not_class_check_failed): Declare.
7042 2006-01-13 Ian Lance Taylor <ian@airs.com>
7044 * reload1.c (do_output_reload): Add assertion rejecting a
7047 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
7049 * combine.c (struct reg_stat): Add new fields truncation_label and
7051 (record_value_for_reg): Reset truncated_to_mode.
7052 (record_truncated_value): New function.
7053 (check_promoted_subreg): Call it. Rename to check_conversions.
7054 (combine_instructions): Rename check_promoted_subreg to
7056 (reg_truncated_to_mode): New function.
7057 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
7058 (gen_lowpart_or_truncate): New function.
7059 (force_to_mode): Use it instead of gen_lowpart.
7061 2006-01-13 Diego Novillo <dnovillo@redhat.com>
7063 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
7064 VAR is a tag, not its type tag.
7066 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
7068 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
7069 alternatives to match style of other entries.
7070 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
7072 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
7074 PR tree-optimization/25771
7075 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
7078 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
7081 * tree-inline.c (declare_return_variable): If the return variable
7082 was marked as a non gimple complex, set the return slot variable
7083 to be a non gimple comple variable.
7085 2006-01-13 Richard Guenther <rguenther@suse.de>
7087 * builtins.c (expand_builtin_sincos): New function.
7088 (expand_builtin_mathfn_3): Remove dead code, sin and cos
7090 (expand_builtin): Expand sincos using expand_builtin_sincos.
7092 2006-01-12 DJ Delorie <dj@redhat.com>
7094 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
7095 shift counts, separate SI shifts for m32c vs m16c, pass shift type
7096 so that constant shifts can be split.
7097 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
7098 (m32c_valid_pointer_mode): Make static.
7099 (shift_gen_func_for): New.
7100 (m32c_prepare_shift): Use it. Split large const shifts into
7102 * config/m32c/predicates.md (shiftcount_operand): Allow more
7104 (longshiftcount_operand): New.
7105 * doc/md.texi (Machine Constraints): Document In6.
7107 2006-01-13 Ben Elliston <bje@au.ibm.com>
7109 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
7110 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
7113 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
7115 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
7116 to try to avoid clobbering pieces of structures when we know
7117 something about the whole structure.
7118 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
7120 2006-01-13 Ben Elliston <bje@au.ibm.com>
7122 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
7123 return in memory, as this is no limitation is no longer present.
7125 2006-01-12 DJ Delorie <dj@redhat.com>
7127 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
7128 mova with fb, and for fb+0 -> An.
7130 * config/m32c/mov.md (peephole2): Fix enabling logic.
7132 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
7133 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
7134 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
7135 FINI_ARRAY_SECTION_ASM_OP): Define.
7137 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
7139 (m32c_legitimize_reload_address): New logic to reload FB to An.
7140 (m32c_output_reg_push): Add newline.
7141 (m32c_output_reg_pop): Likewise.
7143 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
7145 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
7147 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
7149 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
7151 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7153 * config/sh/predicates.md (sh_rep_vec): Add parallel to
7156 2006-01-11 Ben Elliston <bje@au.ibm.com>
7158 * rtlanal.c (find_reg_note): Assert insn is not null.
7160 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
7162 * df-scan.c (df_hard_reg_init): Move declaration of i outside
7165 2006-01-11 Jeff Law <law@redhat.com>
7167 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
7169 (mark_threaded_blocks, register_jump_thread): New functions.
7170 (thread_through_all_blocks): Remove unwanted argument. No
7171 longer rely on e->aux to communicate thread target info.
7172 Call mark_threaded_blocks. Release the threaded_blocks
7173 bitmap and threaded_edges vector when complete.
7174 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
7175 (threaded_blocks): Remove.
7176 (tree_ssa_dominator_optimize): Remove initialization and
7177 finalization of threaded_blocks. Simplify call to
7178 thread_through_all_blocks.
7179 (thread_across_edge): Call register_jump_thread rather than
7180 storing thread information into e->aux.
7181 (free_all_edge_infos): Simplify now that e->aux is no longer
7182 used to communicate with thread_through_all_blocks.
7183 * tree-flow.h (thread_through_all_blocks): Update prototype.
7184 (register_jump_thread): Prototype.
7186 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7188 * df-core.c (df_compact_blocks, df_bb_replace): Use
7189 SET_BASIC_BLOCK instead of BASIC_BLOCK.
7191 2006-01-11 Richard Guenther <rguenther@suse.de>
7193 PR tree-optimization/25734
7194 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
7195 stop propagation after successful propagation to the LHS.
7197 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7199 * basic-block.h (control_flow_graph): Change the type of
7200 x_basic_block_info to VEC(basic_block,gc) *.
7201 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
7203 (SET_BASIC_BLOCK): New.
7204 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
7205 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
7206 * cfgbuild.c (find_basic_blocks): Likewise.
7207 * cfglayout.c (fixup_reorder_chain): Likewise.
7208 * cfgrtl.c (create_basic_block_structure,
7209 rtl_create_basic_block): Likewise.
7210 * ifcvt.c (find_if_case_1): Likewise.
7211 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
7214 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
7216 * Makefile.in: Removed rotted odf.c entry.
7218 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
7221 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
7222 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
7223 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
7224 output pattern modifier, not %e.
7225 * config/cris/cris.c (cris_op_str): Update comment about pattern
7227 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
7228 before falling through into...
7229 <case 'E'>: Redefined from old 'e' case.
7231 2006-01-11 Jan Hubicka <jh@suse.cz>
7234 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
7236 2006-01-11 Jan Hubicka <jh@suse.cz>
7238 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
7239 * i386.c (x86_decompose_lea): Kill.
7240 (ix86_rtx_costs): Kill.
7242 2006-01-11 Jan Hubicka <jh@suse.cz>
7244 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
7245 * cgraph.h (cgraph_node): Add inline_decl.
7246 (cgraph_insert_node_to_hashtable): Declare.
7247 (save_inline_function_body): Declare.
7248 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
7250 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
7251 (cgraph_function_versioning): Update call of tree_function_versioning.
7252 (save_inline_function_body): New function.
7253 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
7254 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
7255 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
7256 (cgraph_default_inline_p): Likewise.
7257 (cgraph_decide_inlining_incrementally): Likewise.
7258 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
7259 (copy_bb): Kill saving; do updating of clones.
7260 (copy_cfg_body): Kill saving.
7261 (initialize_inlined-parameters): Likewise.
7262 (expand_call_inline): Likewise.
7264 (tree_function_versioning): New parameter "update_clones".
7265 (inlining_p): Kill saving.
7266 * tree-inline.h (tree_function_versioning): Update prototype.
7267 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
7270 2006-01-11 Ian Lance Taylor <ian@airs.com>
7272 * combine.c (struct undo): Remove is_int. Enumify types of undos.
7273 Allow undoing set of machine mode.
7274 (do_SUBST): Use enums instead of is_int.
7275 (do_SUBST_MODE): New function.
7276 (SUBST_MODE): New macro.
7277 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
7278 reg and trying to replace reg_regno_rtx with a new register.
7279 (undo_all): Use new enums, handle undoing a PUT_MODE change.
7280 (simplify_set): Use SUBST_MODE.
7281 (distribute_notes): Remove code that tried to update reg notes
7282 for regno_reg_rtx changes.
7284 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
7286 PR tree-optimization/23109
7287 PR tree-optimization/23948
7288 PR tree-optimization/24123
7290 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
7291 * tree-cfg.c (single_noncomplex_succ): New.
7292 * tree-flow.h (single_noncomplex_succ): Declare it.
7293 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
7294 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
7295 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
7296 insert_bb, register_division_in, insert_reciprocals,
7297 replace_reciprocal, free_bb): New.
7298 (execute_cse_reciprocals_1): Rewritten.
7299 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
7300 Do not commit any edge insertion. Always compute dominators and
7301 create the allocation pool.
7302 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
7303 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
7304 * targhooks.c (default_min_divistions_for_recip_mul): New.
7305 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
7306 * passes.c (init_optimization_passes): Run recip after tree loop
7308 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
7310 2006-01-11 Danny Berlin <dberlin@dberlin.org>
7311 Kenneth Zadeck <zadeck@naturalbridge.com>
7313 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
7314 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
7315 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
7316 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
7317 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
7318 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
7319 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
7320 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
7321 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
7322 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
7323 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
7324 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
7325 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
7326 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
7327 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
7328 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
7329 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
7330 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
7331 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
7332 DF_SCAN_POST_ALLOC): New macros.
7333 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
7334 df_free_bb_function, df_local_compute_function, df_init_function,
7335 df_dataflow_function, df_confluence_function_0,
7336 df_confluence_function_n, df_transfer_function,
7337 df_finalizer_function, df_free_function, df_dump_problem_function,
7338 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
7339 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
7340 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
7341 df_urec_bb_info, ) New types.
7342 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
7344 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
7345 df_analyze_simple_change_some_blocks,
7346 df_analyze_simple_change_one_block, df_compact_blocks,
7347 df_bb_replace, df_bb_regno_last_use_find,
7348 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
7349 df_insn_regno_def_p, df_find_def, df_find_use,
7350 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
7351 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
7352 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
7353 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
7354 debug_df_chain, df_get_dependent_problem, df_chain_create,
7355 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
7356 df_grow_bb_info, df_chain_dump, df_print_bb_index,
7357 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
7358 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
7359 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
7360 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
7361 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
7362 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
7363 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
7364 df_ref_remove, df_insn_refs_delete, df_refs_delete,
7365 df_reorganize_refs, df_set_state, df_hard_reg_init,
7366 df_read_modify_subreg_p) New public functions.
7367 * df-core.c: The core dataflow solver and glue routines for rtl
7369 (df_init, df_add_problem, df_set_blocks, df_finish,
7370 df_hybrid_search_forward, df_hybrid_search_backward,
7371 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
7372 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
7373 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
7374 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
7375 df_reg_defined, df_find_use, df_reg_used, df_dump,
7376 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
7377 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
7378 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
7379 debug_df_useno, reset_df_after_reload): New functions.
7380 * df-scan.c: The scanning fuctions, once in df.c, completely
7381 rewritten so that they now fully model the functionality of
7382 register usage at the backend.
7383 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
7384 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
7385 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
7386 df_grow_insn_info, df_rescan_blocks, df_ref_create,
7387 df_get_artificial_defs, df_get_artificial_uses,
7388 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
7389 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
7390 df_refs_delete, df_reorganize_refs, df_set_state,
7391 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
7392 df_def_record_1, df_defs_record, df_uses_record,
7393 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
7394 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
7395 df_record_exit_block_uses, df_hard_reg_init): New functions.
7397 * df-problems.c: Seven concrete dataflow problems that use the
7398 scanning in df-scan.c and are solved by the engine in df-core.c.
7399 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
7400 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
7401 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
7402 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
7403 df_ru_free_bb_info, df_ru_alloc,
7404 df_ru_bb_local_compute_process_def,
7405 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
7406 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
7407 df_ru_transfer_function, df_ru_free, df_ru_dump,
7408 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
7409 df_rd_free_bb_info, df_rd_alloc,
7410 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
7411 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
7412 df_rd_transfer_function, df_rd_free, df_rd_dump,
7413 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
7414 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
7415 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
7416 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
7417 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
7418 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
7419 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
7420 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
7421 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
7422 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
7423 df_urec_mark_reg_change, df_urec_check_earlyclobber,
7424 df_urec_mark_reg_use_for_earlyclobber,
7425 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
7426 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
7427 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
7428 df_urec_dump, df_urec_add_problem, df_chain_alloc,
7429 df_chain_create_bb_process_use, df_chain_create_bb,
7430 df_chain_finalize, df_chain_free, df_chains_dump,
7431 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
7432 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
7433 df_reg_lifetime): New functions.
7434 * df.c: Deleted file.
7435 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
7436 consistent with new df api.
7437 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
7438 rest_of_handle_sms): Ditto.
7439 * web.c (unionfind_union, union_defs, entry_register, web_main):
7441 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
7442 invariant_expr_equal_p, find_defs, check_dependencies,
7443 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
7444 free_inv_motion_data, move_loop_invariants): Ditto.
7445 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
7446 Update dependencies.
7447 (odf.c): Added defective entry that was deleted later in day.
7448 * sched-deps.c (sched_analyze_1): Ditto.
7450 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
7452 * tree-ssa-operands.c (get_expr_operands): Record addressable
7453 variables directly. Do not call add_stmt_operands for CONST_DECLs
7455 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
7456 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
7458 2006-01-11 Ben Elliston <bje@au.ibm.com>
7460 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
7461 function returns true in the positive case.
7463 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7466 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
7467 for SI, DI, SF and DF modes. Add alternatives to copy between
7468 general and floating point registers to the 32-bit patterns.
7469 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
7470 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
7471 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
7472 generating 64-bit code.
7473 * config/pa/pa.c (output_move_double): Handle copies between general
7474 and floating registers.
7476 2006-01-10 Stuart Hastings <stuart@apple.com>
7478 * config/i386/i386.md (set_got): Update.
7479 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
7480 (builtin_setjmp_receiver): Mach-O support.
7481 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
7482 (GOT_SYMBOL_NAME): Define.
7483 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
7484 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
7485 * config/i386/i386.c (override_options): Revise for Darwin.
7486 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
7487 support. (darwin_x86_file_end): New. (output_set_got): Add label
7488 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
7489 * config/i386/i386-protos.h (output_set_got): Likewise.
7490 * config/darwin.c (machopic_legitimize_pic_address): Update
7493 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
7495 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
7496 when MODE isn't BLKmode.
7498 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7500 PR rtl-optimization/25367
7501 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
7503 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
7506 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
7507 for a negative bound.
7509 2006-01-10 Richard Guenther <rguenther@suse.de>
7511 * tree-ssa-structalias.c (get_constraint_for_component_ref):
7512 Never override with anything constraint.
7514 2006-01-10 Jan Beulich <jbeulich@novell.com>
7516 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
7517 256 bits when optimize_size.
7519 2006-01-10 Jan Beulich <jbeulich@novell.com>
7521 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
7523 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
7524 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
7527 2006-01-10 Ben Elliston <bje@au.ibm.com>
7529 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
7531 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
7532 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
7533 (USE_FP_FOR_ARG): Reject decimal float modes.
7534 (function_arg_advance): Likewise.
7535 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
7536 (rs6000_handle_altivec_attribute): Do not permit decimal floating
7537 point types in AltiVec vectors.
7538 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
7539 (rs6000_libcall_value): Likewise.
7541 2006-01-09 Bob Wilson <bob.wilson@acm.org>
7543 * config/xtensa/ieee754-df.S: New file.
7544 * config/xtensa/ieee754-sf.S: New file.
7545 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
7546 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
7547 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
7549 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
7551 * config/sh/predicates.md (binary_float_operator,
7552 binary_logical_operator, commutative_float_operator,
7553 equality_comparison_operator, greater_comparison_operator,
7554 less_comparison_operator, logical_operator,
7555 noncommutative_float_operator, shift_operator,
7556 symbol_ref_operand, unary_float_operator): Remove redundant
7559 2006-01-09 Jeff Law <law@redhat.com>
7561 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
7562 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
7563 now unused arguments. Callers updated.
7564 (eliminate_redundant_computations): Remove now unused arguments,
7566 (local_fold): Remove, no longer used.
7567 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
7569 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
7570 (simplify_cond): New function.
7571 (forward_propagate_into_cond): Call simplify_cond.
7573 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
7575 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
7576 (*vec_extractv2di_1_sse): New.
7578 2006-01-09 Ben Elliston <bje@au.ibm.com>
7580 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
7582 2006-01-08 Richard Guenther <rguenther@suse.de>
7584 * tree-ssa-structalias.c (get_constraint_for): Remove
7586 (get_constraint_for_component_ref): Likewise.
7587 (do_deref): Likewise.
7588 (get_constraint_for): Likewise.
7589 (do_structure_copy): Likewise.
7590 (handle_ptr_arith): Likewise.
7591 (find_func_aliases): Likewise. Remove unused need_anyoffset
7594 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
7595 Kaz Kojima <kkojima@gcc.gnu.org>
7597 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
7598 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
7599 (EXTRA_CONSTRAINT_C16): Remove.
7600 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
7601 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
7602 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
7603 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
7604 constants of SHmedia. Handle nested constant expressions of
7606 (andcosts): Fix the costs for SHmedia constants.
7607 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
7608 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
7609 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
7610 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
7611 (movv4hi_i, movv2si_i): Likewise.
7612 (movsi_const): Adjust the second operand of ior so to match with
7614 (movdi_const, movdi_const_32bit): Likewise.
7615 (movdi_const_16bit+1): Don't sign-extend LOW.
7616 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
7618 (*double_shori): Fix the split condition. Use GEN_INT instead
7619 of get_int_mode calls. Mask lower 16-bit of the argument of
7621 (sym2GOTPLT): Remove.
7622 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
7624 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
7625 instead of EXTRA_CONSTRAINT_C16.
7627 2006-01-07 Ian Lance Taylor <ian@airs.com>
7628 David Edelsohn <edelsohn@gnu.org>
7630 PR rtl-optimization/25662
7631 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
7632 for constant operands instead of simplify_gen_binary.
7633 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
7634 after trying simplify_binary_operation
7636 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
7638 * tree.c (iterative_hash_expr): Hash decls based on UID.
7640 2006-01-06 Eric Christopher <echristo@apple.com>
7642 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
7643 (TARGET_UNWIND_EMIT): Fix spelling.
7644 * target.h (gcc_target): Add except_table_label.
7645 * except.c (output_function_exception_table): Use.
7646 * varasm.c (default_emit_except_table_label): New.
7647 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
7649 (asm_out): Add here.
7650 * output.h (default_emit_except_table_label): Prototype.
7651 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
7652 * config/darwin.c (darwin_emit_except_table_label): Define.
7653 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
7655 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
7657 PR tree-optimization/18527
7658 * tree-ssa-loop-niter.c (number_of_iterations_cond,
7659 number_of_iterations_special, number_of_iterations_exit):
7660 Move base and step of an iv to a single structure. Add
7661 no_overflow flag, and use it in # of iterations analysis.
7662 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
7663 folded_casts argument.
7664 (simple_iv): Pass base and step in a structure. Set no_overflow
7666 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
7667 Evaluate expensiveness of computing # of iterations instead of
7668 the final expression.
7669 * tree-scalar-evolution.h (affine_iv): New structure.
7670 (simple_iv): Declaration changed.
7671 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
7672 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
7673 find_givs_in_stmt): Changed due to simple_iv change.
7675 2006-01-06 Jeff Law <law@redhat.com>
7678 * tree-cfg.c (bsi_replace): Rename final argument from
7679 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
7680 change (stmt -> orig_stmt).
7681 * tree-eh.c (verify_eh_throw_stmt_node): New function.
7682 (bsi_remove): Add new argument. Remove EH information
7684 (verify_eh_throw_table_statements): New function.
7685 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
7687 * tree-optimize.c (execute_free_cfg_annotations): Verify
7688 the EH throw statement table after removing annotations.
7689 * except.h (verify_eh_throw_table_statements): Prototype.
7690 * tree-flow.h (bsi_remove): Update prototype.
7691 * tree-vrp.c (remove_range_assertions): Add new argument to
7693 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
7694 * tree-complex.c (expand_complex_div_wide): Likewise.
7695 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
7696 * tree-tailcall.c (eliminate_tailcall): Likewise.
7697 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
7698 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
7699 * tree-nrv.c (tree_nrv): Likewise.
7700 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
7701 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
7702 (combine_blocks): Likewise.
7703 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
7704 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
7705 (cleanup_control_flow): Likewise.
7706 (remove_forwarder_block): Likewise.
7707 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
7708 * tree-sra.c (sra_replace): Likewise.
7709 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
7710 (forward_propagate_single_use_vars): Likewise.
7711 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
7712 * tree-inline.c (expand_call_inline): Likewise.
7713 * tree-vect-transform.c (vect_transform_loop): Likewise.
7714 * tree-outof-ssa.c (rewrite_trees): Likewise.
7715 * tree-cfg.c (make_goto_expr_edges): Likewise.
7716 (cleanup_dead_labels): Likewise.
7717 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
7718 (bsi_move_before, bsi_move_after): Likewise.
7719 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
7720 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
7722 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
7725 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
7727 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
7728 on non gimple variables. Also add checks at the top for decls and
7730 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
7732 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
7733 and IMAGPART_EXPR for creating MUST_DEFs.
7734 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
7735 and NAME_MEMORY_TAG separately from the DECLs.
7737 2006-01-06 Richard Guenther <rguenther@suse.de>
7739 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
7740 annotation, if necessary.
7741 * tree-ssa-pre.c (create_expression_by_pieces): Remove
7742 redundant calls to update_stmt.
7743 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
7746 2006-01-05 Richard Henderson <rth@redhat.com>
7748 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
7750 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
7752 * c-typeck.c: Update copyright date.
7754 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
7756 * c-typeck.c (build_c_cast): Always warn when casting
7757 from a pointer to an integer of different size, even if
7758 the node was constant.
7760 2006-01-05 Richard Guenther <rguenther@suse.de>
7762 PR tree-optimization/22555
7763 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
7764 if one structure field is an array.
7765 * tree-ssa-operands.c (get_expr_operands): Continue scanning
7766 operands even if we found a subvar, but ignore VOPs in this
7768 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
7770 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
7772 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
7775 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
7777 2006-01-05 Richard Guenther <rguenther@suse.de>
7778 Diego Novillo <dnovillo@redhat.com>
7780 * tree-pass.h (TODO_remove_unused_locals): Define.
7781 * gimple-low.c (expand_var_p, remove_useless_vars,
7782 pass_remove_useless_vars): Remove. Update all users.
7783 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
7784 (remove_unused_locals): New function.
7785 * tree-flow.h (remove_unused_locals): Declare.
7786 * passes.c (execute_todo): Call remove_unused_locals if
7787 TODO_remove_unused_locals is set.
7788 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
7789 * tree-ssa-dce.c (pass_dce): Likewise.
7790 * tree-outof-ssa.c (pass_del_ssa): Likewise.
7792 2006-01-05 Richard Guenther <rguenther@suse.de>
7794 * tree-flow.h (struct fieldoff): Decompose field to
7795 type, size and decl.
7796 * tree-ssa-alias.c (create_sft): Take type as parameter.
7797 (create_overlap_variables_for): Store type, size and decl
7798 in the fieldoff structure.
7799 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
7801 (push_fields_onto_fieldstack): Likewise.
7802 (create_variable_info_for): Likewise. Use offset for the
7803 SFT name if the decl is not available.
7805 2006-01-04 Paul Brook <paul@codesourcery.com>
7807 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
7809 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
7811 * lambda-code.c (can_put_in_inner_loop): Relax
7813 (can_put_after_inner_loop): New function.
7814 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
7815 (perfect_nestify): Change to make copies and modify uses.
7817 2006-01-04 Richard Henderson <rth@redhat.com>
7819 Merge from gomp branch:
7820 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
7821 via integer constant.
7822 (pragma_lex): Remove.
7823 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
7824 rather than parsing it.
7825 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
7826 handle_pragma_extern_prefix): Add %< %> quotes.
7827 (registered_pragmas): New.
7828 (c_register_pragma_1): New.
7829 (c_register_pragma): Use it.
7830 (c_register_pragma_with_expansion): Likewise.
7831 (c_invoke_pragma_handler): New.
7832 (init_pragma): Use cpp_register_deferred_pragma directly for
7834 * c-pragma.h (enum pragma_kind): New.
7835 (pragma_handler): New.
7836 (c_invoke_pragma_handler): Declare.
7837 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
7839 * c-common.h (c_common_pch_pragma): Update decl.
7840 * Makefile.in (c-parser.o): Update dependencies.
7841 (GTFILES): Add c-pragma.h.
7842 * c-parser.c (struct c_token): Add pragma_kind.
7843 (struct c_parser): Add in_pragma.
7844 (c_lex_one_token): Always initialize keyword and pragma_kind.
7845 Extract data for CPP_PRAGMA.
7846 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
7847 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
7848 Don't allow CPP_PRAGMA_EOL if in_pragma.
7849 (c_parser_consume_pragma): New.
7850 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
7851 (c_parser_skip_to_end_of_parameter): Likewise.
7852 (c_parser_skip_to_end_of_block_or_statement): Likewise.
7853 (c_parser_skip_to_pragma_eol): New.
7854 (c_parser_external_declaration): Handle CPP_PRAGMA.
7855 (c_parser_compound_statement_nostart): Likewise.
7856 (c_parser_statement_after_labels): Likewise.
7857 (c_parser_pragma): New.
7858 (pragma_lex): Likewise.
7859 (c_parser_pragma_pch_preprocess): New.
7860 (c_parser_new): Merge into ...
7861 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
7863 2006-01-04 Jeff Law <law@redhat.com>
7866 * tree-cfg.c (bsi_replace): Remove the original statement
7867 from the EH throw statement table.
7869 2006-01-04 Jakub Jelinek <jakub@redhat.com>
7871 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
7872 make the prototype extern "C" and add throw ().
7875 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
7876 and pos non-negative and pos + len <= 32.
7877 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
7878 drop pos + len < HOST_BITS_PER_WIDE_INT test.
7879 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
7882 * c-common.c (handle_vector_size_attribute): Reject zero vector size
7883 as well as sizes not multiple of component size.
7886 * function.c (instantiate_expr): New function.
7887 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
7888 walk its DECL_VALUE_EXPR with instantiate_expr.
7890 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
7891 DW_OP_deref{,_size} if address isn't going to be added.
7893 2006-01-04 Ben Elliston <bje@au.ibm.com>
7895 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
7896 * config/fp-bit.c: Likewise.
7898 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
7900 * dominance.c: Add comment about why we use DFS numbering
7903 2006-01-03 Jakub Jelinek <jakub@redhat.com>
7904 Richard Henderson <rth@redhat.com>
7906 Merge from gomp-branch:
7907 * varasm.c (assemble_variable): Handle thread-local COMMON data.
7908 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
7910 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
7912 PR rtl-optimization/25578
7913 * combine.c (combine_simplify_rtx, force_to_mode): Don't
7914 pass a parameter to simplify_shift_const if changing ASHIFTRT
7917 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
7919 * builtins.c (get_builtin_sync_mem): New function.
7920 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
7921 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
7922 Call get_builtin_sync_mem to generate mem rtx.
7924 2006-01-03 Richard Guenther <rguenther@suse.de>
7927 * stmt.c (add_case_node): Make sure to clear overflow flags
7930 2006-01-03 Jakub Jelinek <jakub@redhat.com>
7932 Merge from gomp-branch.
7933 * config/sparc/sync.md: New file.
7934 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
7935 UNSPECV_LDSTUB): New constants.
7936 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
7937 * config/sparc/predicates.md (memory_reg_operand): New predicate.
7938 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
7941 2006-01-03 Roger Sayle <roger@eyesopen.com>
7943 * combine.c (reg_subword_p): New predicate to test whether the
7944 destination of a set refers to a subword/piece of a register.
7945 (try_combine): Generalize the code to merge the setting of a
7946 pseudo to a constant followed by a set of a subword of that
7947 register to a constant.
7949 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
7951 * basic-block.h (control_flow_graph): Change the type of
7952 x_label_to_block_map to VEC(basic_block,gc) *.
7953 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
7954 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
7956 * tree-ssa-propagate.c (cfg_blocks): Change the type to
7957 VEC(basic_block,heap) *.
7958 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
7959 ssa_prop_fini): Adjust the uses of cfg_blocks.
7961 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
7963 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
7965 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
7966 hashing trees instead of a pointer hash.
7967 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
7968 compare for MEM_EXPR.
7970 PR rtl-optimization/25130
7971 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
7972 when comparing MEMs for GCSE
7974 2006-01-03 Ben Elliston <bje@au.ibm.com>
7976 * targhooks.h (default_decimal_float_supported_p): Declare.
7977 * targhooks.c (default_decimal_float_supported_p): Define.
7978 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
7979 `default_decimal_float_supported_p'.
7980 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
7982 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
7984 * combine.c (apply_distributive_law <SUBREG>): Check
7985 TRULY_NOOP_TRUNCATION.
7987 2006-01-02 Geoffrey Keating <geoffk@apple.com>
7989 * dwarf2out.c (have_switched_text_section): Delete.
7990 (have_multiple_function_sections): New.
7991 (have_location_lists): Make 'bool'.
7992 (add_AT_loc_list): Use 'true' not '1'.
7993 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
7994 (output_loc_list): Use have_multiple_function_sections.
7995 (output_ranges): Likewise.
7996 (dwarf2out_begin_function): Set have_multiple_function_sections if
7998 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
7999 Check function_section rather than DECL_SECTION_NAME.
8000 (dwarf2out_finish): Use have_multiple_function_sections.
8001 Don't clear have_location_lists.
8003 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
8004 Jan Hubicka <jh@suse.cz>
8006 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
8007 case of conditional jump jumping to the next instruction.
8008 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
8009 cases of conditional jump jumping to the next instruction.
8011 2006-01-02 Jan Hubicka <jh@suse.cz>
8013 * i386.c (*_cost): Add COSTS_N_INSNS.
8014 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
8016 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
8019 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
8021 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8023 * config/arm/arm.c (all_fpus): Fix comment typo.
8024 * config/darwin.c: Likewise.
8025 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
8026 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
8027 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
8029 2006-01-01 David Edelsohn <edelsohn@gnu.org>
8031 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
8032 (rs6000_split_compare_and_swapqhi): New.
8033 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
8034 (sync_compare_and_swapqhi_internal): New.
8035 * config/rs6000/rs6000-protos.h: Declare.