1 2006-03-22 Richard Henderson <rth@redhat.com>
4 * except.c (duplicate_eh_regions_0): New.
5 (duplicate_eh_region_1): Duplicate the children of the node as
6 well as the node itself. Link them up properly.
7 (duplicate_eh_region_2): Merge into ...
8 (duplicate_eh_regions): ... here. Take copy_region argument, and
9 copy only a sub-tree if asked. Simplify copying and fixup.
10 (eh_region_outer_p): New.
11 * except.h (duplicate_eh_regions): Update decl.
12 (eh_region_outer_p): Declare.
13 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
14 (lower_omp_master): Likewise.
15 (lower_omp_ordered): Likewise.
16 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
17 (move_stmt_r): Use it to remap labels. Handle recursion vs
18 remap_decls_p properly.
19 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
20 (find_outermost_region_in_block): New.
21 (new_label_mapper): New.
22 (move_sese_region_to_fn): Copy eh information to the new function
24 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
26 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
29 2006-03-22 Richard Sandiford <richard@codesourcery.com>
31 * doc/md.texi (-mshared): Mention that -mshared code can be linked
32 into shared libraries.
34 2006-03-22 Richard Sandiford <richard@codesourcery.com>
36 * doc/md.texi: Refer to i386/constraints.md instead of
38 * config/i386/constraints.md: New file, extracted from...
39 * config/i386/predicates.md: ...here.
40 * config/i386/i386.md: Include constraints.md.
42 2006-03-21 Jason Merrill <jason@redhat.com>
44 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
47 * expr.c (init_block_move_fn): Force default visibility.
48 (init_block_clear_fn): Likewise.
49 * builtins.c (expand_builtin_fork_or_exec): Likewise.
50 * targhooks.c (default_external_stack_protect_fail): Likewise.
52 2006-03-21 Richard Sandiford <richard@codesourcery.com>
54 * config/mips/predicates.md (const_call_insn_operand): Allow direct
55 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
56 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
57 Use TARGET_OLDABI instead of !TARGET_NEWABI.
58 (loadgp): Use mips_current_loadgp_style.
59 (loadgp_noshared): New pattern.
60 (sibcall_internal): Use MIPS_CALL.
61 (sibcall_value_internal): Likewise.
62 (sibcall_value_multiple_internal): Likewise.
63 (call_internal): Likewise.
64 (call_value_internal): Likewise.
65 (call_value_multiple_internal): Likewise.
66 (call_split): Use MIPS_CALL and add an 'S' constraint.
67 (call_value_split): Likewise.
68 (call_value_multiple_split): Likewise.
69 * config/mips/mips.opt (-mabicalls): Tweak docstring.
70 (-mshared): New option.
71 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
72 (mips_current_loadgp_style): Declare.
73 * config/mips/mips.c (mips_classify_symbol): Avoid using
74 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
75 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
76 TARGET_ABSOLUTE_ABICALLS.
77 (override_options): Adjust comments. Improve the warning that is
78 issued when -mabicalls and -G are used together.
79 (mips_file_start): Remove comment.
80 (mips_current_loadgp_style): New function.
81 (mips_gnu_local_gp): New variable.
82 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
84 (mips_output_function_prologue): Use mips_current_laodgp_style.
85 (mips_expand_prologue): Call mips_emit_loadgp before emitting
86 the cprestore instruction.
87 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
88 live for TARGET_ABSOLUTE_ABICALLS.
89 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
90 (ASM_SPEC): Pass down -mshared and -mno-shared.
91 (MIPS_CALL): New macro.
92 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
94 * doc/invoke.texi (-mabicalls): Update documentation.
97 2006-03-21 Steve Ellcey <sje@cup.hp.com>
99 * config/ia64/unwind-hpux.c: New file.
100 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
102 2006-03-21 Steve Ellcey <sje@cup.hp.com>
105 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
107 2006-03-21 Jeff Law <law@redhat.com>
109 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
110 type conversions of a VR_VARYING source to a wider type.
112 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
114 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
115 tm_file on Solaris 10 and later.
116 (sparc64-*-solaris2*): Likewise.
117 (sparc-*-solaris2*): Likewise.
118 * config/sol26.h: Rename to config/sol2-6.h.
119 * config/sol2-10.h: New file.
121 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
124 * tree-ssa-pre.c (create_component_ref_by_pieces):
127 2006-03-21 Jakub Jelinek <jakub@redhat.com>
130 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
131 return it immediately.
133 2006-03-21 Michael Matz <matz@suse.de>
135 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
137 (remove_arc, add_arc): Update num_out_arcs member.
138 (set_out_arc_insns_equiv_num): Returns nothing instead of number
140 (cache_presence): New function.
141 (compare_states_for_equiv): New function.
142 (state_is_differed): Don't take number of outargs, adjust callers.
143 Use new invariant for speeding up.
144 (init_equiv_class): Create initial classes based on sorted
146 (partition_equiv_class): Don't track out_arcs_num.
147 (evaluate_equiv_classes): Call cache_presence on all states and
150 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
152 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
153 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
154 (bfin_valid_reg_p): Test for pseudos explicitly and use only
155 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
157 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
158 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
159 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
160 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
161 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
163 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
164 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
165 (REGNO_REG_CLASS): ARGP is in PREGS.
166 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
168 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
169 to deal with those addresses.
170 * addresses.h: New file.
171 * caller-save.c: Include "addresses.h".
172 (init_caller_save): Use new base_reg_class function.
173 * rtl-factoring.c: Include "addresses.h".
174 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
175 * recog.c: Include "addresses.h".
176 (preprocess_constraints): Use new base_reg_class function.
177 * regrename.c: Include "addresses.h".
178 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
179 functions. Keep track of a new var INDEX_CODE to compute valid
181 (replace_oldest_value_addr): Likewise.
182 (replace_oldest_value_mem): Use base_reg_class.
183 * reload.c: Include "addresses.h".
184 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
185 (find_reloads): Use new base_reg_class function.
186 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
187 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
188 all callers and prototype changed.
189 * reload1.c: Include "addresses.h".
190 (maybe_fix_stack_asms): Use base_reg_class.
191 * regclass.c: Include "addresses.h".
192 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
193 (init_reg_autoinc): Use new base_reg_class function.
194 (record_reg_classes): Likewise.
195 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
196 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
197 Use new args to compute necessary class.
199 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
200 regrename.o, rtl-factoring.o): Update dependencies.
201 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
202 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
203 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
204 REG_OK_FOR_INDEX_P): Delete documentation.
206 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
208 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
209 from V7 to V9 for Solaris 7 and above.
211 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
213 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
214 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
215 argument pointers may not alias any other storage.
216 * common.opt: Define option -fargument-noalias-anything.
217 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
218 alias semantics is specified by flag_argument_noalias > 2.
220 2006-03-20 Jeff Law <law@redhat.com>
222 * tree-pass.h (pass_phi_only_copy_prop): Delete.
223 (pass_phi_only_cprop): Declare.
224 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
226 * tree-ssa-dom.c (degenerate_phi_result): New function.
227 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
228 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
229 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
230 (eliminate_degenerate_phis): Likewise.
231 (pass_phi_only_cprop): New pass descriptor.
232 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
233 support code. Callers updated.
234 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
235 (store_copy_prop): Likewise.
236 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
238 2006-03-20 Jason Merrill <jason@redhat.com>
241 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
242 (push_visibility, pop_visibility): Likewise.
243 * c-pragma.h: Declare them.
245 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
247 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
249 * config/sh/sh.c (find_regmode_weight): Change the type of the first
250 parameter and use get_ebb_head_tail.
251 (sh_md_init_global): Adjust uses of find_regmode_weight.
253 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
255 * function.h (struct function) <x_tail_recursion_reentry>:
256 Rename to x_stack_check_probe_note.
257 (tail_recursion_reentry): Rename to stack_check_probe_note.
258 * function.c: Replace tail_recursion_reentry with
259 stack_check_probe_note everywhere.
260 (expand_function_start): Only emit a note for
261 stack_check_probe_note with -fstack-protect.
262 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
264 * emit-rtl.c (remove_unnecessary_notes): Remove.
265 (pass_remove_unnecessary_notes): Remove.
266 * rtl.h (remove_unnecessary_notes): Remove prototype.
267 * final.c (final_start_function): Don't call remove_unnecessary_notes.
268 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
269 * passes.c (pass_remove_unnecessary_notes): Don't run it.
271 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
274 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
275 (valid_in_set): Handle ARRAY_REF.
276 Change "if min_variant or VH" to asserts.
277 (create_component_ref_by_pieces): Handle ARRAY_REF.
278 (create_expression_by_pieces): Likewise.
279 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
281 2006-03-20 David Edelsohn <edelsohn@gnu.org>
283 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
284 is operand of switch, not str[0].
286 2006-03-20 Alan Modra <amodra@bigpond.net.au>
288 * config/rs6000/rs6000.c (rs6000_handle_option): Use
289 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
291 2006-03-19 David Edelsohn <edelsohn@gnu.org>
293 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
294 end of insn_extra_address_constraint declaration.
296 2006-03-19 David Edelsohn <edelsohn@gnu.org>
298 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
299 (no-sum-in-toc): Same.
300 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
302 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
303 NO_FP_IN_TOC for -fPIC instead of mask.
305 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
306 (BOOT_LDFLAGS): Delete.
308 * config/rs6000/t-aix52: Same.
310 * config/rs6000/rs6000.md (store_multiple_power): Delete.
311 (stmsi[345678]_power): New.
313 2006-03-17 Steve Ellcey <sje@cup.hp.com>
315 * config/ia64/ia64.opt: Add empty line to end of file.
317 2006-03-17 Richard Guenther <rguenther@suse.de>
320 * builtins.c (get_pointer_alignment): For component style references
321 adjust alignment to the component type alignment. Make sure
322 to adjust alignment for component access of constants.
324 2006-03-17 David Edelsohn <edelsohn@gnu.org>
326 * config/rs6000/rs6000.md (strlensi): Emit barrier after
329 2006-03-17 Paul Brook <paul@codesourcery.com>
331 * doc/install.texi: Docuemnt --with-mode.
332 * config.gcc: Add --with-mode for arm*-*-*.
333 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
335 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
337 * sh.c (max_labelno_before_reorg): New variable.
338 (sh_reorg): Initialize it.
339 (find_barrier): Check max_labelno_before_reorg before using
340 label_to_alignment. Take length of explicit alignment insns
341 into account. When seeing a UNSPECV_CONST_END, return it.
343 * sh.c (fixup_mova): Set mode of affected label to QImode.
344 (untangle_mova): New function.
345 (find_barrier): Use it. Check mode of label before decrementing
347 (sh_reorg): Likewise.
348 Set mode of all insns back to VOIDmode.
350 * sh.c (MOVA_LABELREF): New macro.
351 (mova_p, fixup_mova, sh_reorg): Use it.
352 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
353 ADDR_DIFF_VEC matches mova.
355 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
357 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
358 with ATTRIBUTE_UNUSED.
360 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
362 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
363 pointer, instead of assuming it is possible to derive the
364 correct args size from a call insn.
366 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
368 * rtl.h (CONST_INT_P): Define.
369 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
370 instead of GET_CODE(x) == CONST_INT.
371 (vax_rtx_costs): Likewise.
372 (vax_output_int_move): Likewise.
373 (vax_output_int_add): Likewise.
374 (legitimate_constant_address_p): Likewise.
375 (index_term_p): Likewise.
376 * config/vax/vax.h (PRINT_OPERAND): Likewise.
377 * config/vax/vax.md (and<mode>3): Likewise.
380 (movstricthi): Likewise.
381 (movstrictqi): Likewise.
383 (five unnamed insns): Likewise.
385 2006-03-16 Geoffrey Keating <geoffk@apple.com>
387 * doc/tm.texi (SDB and DWARF): Add extra parameter to
388 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
389 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
390 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
391 Pass to ASM_OUTPUT_DWARF_OFFSET.
392 * dwarf2out.c (debug_frame_section): New.
393 (output_call_frame_info): Use debug_frame_section. Pass it to
394 dw2_asm_output_offset.
395 (output_die): Pass appropriate section to dw2_asm_output_offset.
396 (output_compilation_unit_header): Likewise.
397 (output_pubnames): Likewise.
398 (output_aranges): Likewise.
399 (enum dw_val_class): Break dw_val_class_lbl_offset into
400 dw_val_class_lineptr and dw_val_class_macptr.
401 (add_AT_lbl_offset): Delete.
402 (add_AT_lineptr): New.
403 (add_AT_macptr): New.
404 (AT_lbl): Expect a lineptr or macptr.
405 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
406 (attr_checksum): Likewise.
407 (same_dw_val_p): Likewise.
408 (size_of_die): Likewise.
409 (value_format): Likewise.
410 (output_die): Likewise.
411 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
413 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
414 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
415 * config/darwin-protos.h (darwin_file_start): New.
416 (darwin_asm_output_dwarf_offset): New.
417 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
418 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
420 * config/darwin.c (darwin_emit_unwind_label): Don't output label
421 if not EH section; simplify.
422 (darwin_file_start): New.
423 (darwin_asm_output_dwarf_offset): New.
424 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
426 (DEBUG_INFO_SECTION): Likewise.
427 (DEBUG_ABBREV_SECTION): Likewise.
428 (DEBUG_ARANGES_SECTION): Likewise.
429 (DEBUG_MACINFO_SECTION): Likewise.
430 (DEBUG_LINE_SECTION): Likewise.
431 (DEBUG_LOC_SECTION): Likewise.
432 (DEBUG_PUBNAMES_SECTION): Likewise.
433 (DEBUG_STR_SECTION): Likewise.
434 (DEBUG_RANGES_SECTION): Likewise.
435 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
436 (ASM_OUTPUT_DWARF_OFFSET): New.
438 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
440 * config.gcc (tm_defines): Always add to previous value rather
443 2006-03-16 Richard Sandiford <richard@codesourcery.com>
445 * config/mips/predicates.md (splittable_const_int_operand): New,
446 split from move_operand.
447 (splittable_symbolic_operand): New.
448 (move_operand): Add commentary. Use splittable_const_int_operand.
449 Inline mips_atomic_symbolic_constant_p.
450 * config/mips/mips.md: Add combine splitters for handling moves
451 of splittable_const_int_operands and splittable_symbolic_operands.
452 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
453 (mips_split_symbol): Declare.
454 (mips_move_integer): Declare.
455 * config/mips/mips.c (mips_split_p): Make global.
456 (TARGET_MIN_ANCHOR_OFFSET): Override default.
457 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
458 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
459 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
460 (mips_offset_within_object_p): Handle block symbols.
461 (mips_atomic_symbolic_constant_p): Delete.
462 (mips_cannot_force_const_mem): Return false for constants that
463 mips_legitimize_move can handle.
464 (mips_use_blocks_for_constant_p): New function.
465 (mips_split_symbol): Make global.
466 (mips_move_integer): Likewise. Add a temporary register argument.
467 (mips_legitimize_const_move): Use splittable_const_int_operand and
468 splittable_symbolic_operand.
469 (mips_use_anchors_for_symbol_p): New function.
470 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
471 (mips_split_p): Declare.
473 2006-03-16 Richard Sandiford <richard@codesourcery.com>
475 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
476 (mips*-*-linux*): Likewise.
478 2006-03-16 Roger Sayle <roger@eyesopen.com>
479 Daniel Speyer <dspeyer@wam.umd.edu>
482 * tree-dump.c (dump_real): New function.
483 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
484 * Makefile.in (REAL_H): New macro for dependencies on real.h.
485 (tree-dump.o): Add $(REAL_H) to the dependencies.
487 2006-03-16 Roger Sayle <roger@eyesopen.com>
490 * real.c (real_from_string): If the mantissa is zero, don't bother
491 parsing the exponent as the result should always be zero.
493 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
495 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
497 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
499 * config/ia64/ia64.c (stops_p): Added explicit initialization.
500 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
501 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
502 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
503 ia64_sched_finish_global): New static functions to implement
504 hooks from gcc_target.sched.
505 (spec_check_no, max_uid, pending_data_specs): New static variables.
506 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
507 ia64_spec_check_src_p): New static functions.
508 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
509 (TARGET_SCHED_ADJUST_COST): Removed.
510 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
511 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
512 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
513 TARGET_SCHED_GEN_CHECK,
514 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
515 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
516 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
517 Fixed to handle speculation checks.
518 (rtx_needs_barrier): Fixed to handle speculative loads and
520 (ia64_variable_issue): Added code to count speculative loads and their
522 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
524 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
526 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
528 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
529 (ia64_reorg): Reset stops_p to NULL after it is freed.
530 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
531 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
532 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
534 (data_speculative, control_speculative, check_load): New attributes.
535 (mov<mode>_advanced, mov<mode>_speculative,
536 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
537 zero_extend<mode>di2_speculative,
538 zero_extend<mode>di2_speculative_advanced): New patterns for
539 data and control speculative loads.
540 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
542 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
543 New pattern for data and control speculation checks.
544 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
545 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
546 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
547 Auxiliary definitions for the patterns.
548 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
549 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
551 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
553 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
554 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
555 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
556 New resource constraints.
557 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
559 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
560 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
561 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
562 msched-in-control-spec, msched-ldc, msched-control-ldc,
563 msched-spec-verbose, msched-prefer-non-data-spec-insns,
564 msched-prefer-non-control-spec-insns,
565 msched-count-spec-in-critical-path): New flags to tune speculative
567 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
568 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
569 msched-in-control-spec, msched-ldc, msched-control-ldc,
570 msched-spec-verbose, msched-prefer-non-data-spec-insns,
571 msched-prefer-non-control-spec-insns,
572 msched-count-spec-in-critical-path): Document new flags.
574 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
576 * target.h (struct spec_info_def): New opaque declaration.
577 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
578 speculate_insn, needs_block_p, gen_check,
579 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
580 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
581 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
582 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
583 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
584 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
586 (TARGET_SCHED): Use new macros.
587 * rtl.h (copy_DEPS_LIST_list): New prototype.
588 * sched-int.h (struct sched_info): Change signature of new_ready field,
589 adjust all initializations. New fields: add_remove_insn,
590 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
591 region_head_or_leaf_p.
592 (struct spec_info_def): New structure declaration.
593 (spec_info_t): New typedef.
594 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
595 recovery_block, orig_pat.
596 (glat_start, glat_end): New variables declaraions.
597 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
599 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
600 DETACH_LIFE_INFO, USE_GLAT.
601 (enum SPEC_SCHED_FLAGS): New enumeration.
602 (NOTE_NOTE_BB_P): New macro.
603 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
604 attach_life_info, debug_spec_status, check_reg_live): New functions.
605 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
606 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
608 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
609 * ddg.c (get_block_head_tail): Adjust all uses.
610 * modulo-sched.c (get_block_head_tail): Adjust all uses.
611 (sms_sched_info): Initialize new fields.
612 (contributes_to_priority): Removed.
613 * haifa-sched.c (params.h): New include.
614 (get_block_head_tail): Adjust all uses.
615 (ISSUE_POINTS): New macro.
616 (glat_start, glat_end): New global variables.
617 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
618 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
619 old_last_basic_block, before_recovery, current_sched_info_var,
620 rgn_n_insns, luid): New static variables.
621 (insn_cost1): New function. Move logic from insn_cost to here.
622 (find_insn_reg_weight1): New function. Move logic from
623 find_insn_reg_weight to here.
624 (reemit_notes, move_insn, max_issue): Change signature.
625 (move_insn1): Removed.
626 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
627 extend_bb): New static functions to support extension of scheduler's
629 (generate_recovery_code, process_insn_depend_be_in_spec,
630 begin_speculative_block, add_to_speculative_block,
631 init_before_recovery, create_recovery_block, create_check_block_twin,
632 fix_recovery_deps): New static functions to support
633 generation of recovery code.
634 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
635 restore_bb_notes, move_block_after_check, move_succs): New static
636 functions to support ebb scheduling.
637 (init_glat, init_glat1, attach_life_info1, free_glat): New static
638 functions to support handling of register live information.
639 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
640 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
641 add_jump_dependencies): New static functions.
642 (check_cfg, has_edge_p, check_sched_flags): New static functions for
643 consistancy checking.
644 (debug_spec_status): New function to call from debugger.
645 (priority): Added code to handle speculation checks.
646 (rank_for_schedule): Added code to distinguish speculative instructions.
647 (schedule_insn): Added code to handle speculation checks.
648 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
649 Fixed to handle ebbs.
650 (move_insn): Added code to handle ebb scheduling.
651 (max_issue): Added code to use ISSUE_POINTS of instructions.
652 (choose_ready): Added code to choose between speculative and
653 non-speculative instructions.
654 (schedule_block): Added code to handle ebb scheduling and scheduling of
655 speculative instructions.
656 (sched_init): Initialize new variables.
657 (sched_finish): Free new variables. Print statistics.
658 (try_ready): Added code to handle speculative instructions.
659 * lists.c (copy_DEPS_LIST_list): New function.
660 * sched-deps.c (extend_dependency_caches): New function. Move logic
661 from create_dependency_caches to here.
662 (get_dep_weak, ds_merge): Make global.
663 * genattr.c (main): Code to output prototype for
664 dfa_clear_single_insn_cache.
665 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
666 (output_dfa_clean_insn_cache_func): Code to output
667 dfa_clear_single_insn_cache function.
668 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
670 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
672 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
673 New static variables.
674 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
675 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
677 (ebb_sched_info): Initialize new fields.
678 (get_block_head_tail): Adjust all uses.
679 (compute_jump_reg_dependencies): Fixed to use glat_start.
680 (schedule_ebb): Code to remove unreachable last block.
681 (schedule_ebbs): Added code to update register live information.
682 * sched-rgn.c (region_sched_info): Initialize new fields.
683 (get_block_head_tail): Adjust all uses.
684 (last_was_jump): Removed. Adjust users.
685 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
686 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
688 (check_dead_notes1): New static function.
689 (struct region): New fields: dont_calc_deps, has_real_ebb.
690 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
691 (BB_TO_BLOCK): Fixed to handle EBBs.
692 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
693 (ebb_head): New static variable.
694 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
695 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
697 (compute_dom_prob_ps): New assertion.
698 (check_live_1, update_live_1): Fixed to work with glat_start instead of
699 global_live_at_start.
700 (init_ready_list): New assertions.
701 (can_schedule_ready_p): Split update code to begin_schedule_ready.
702 (new_ready): Add support for BEGIN_CONTROL speculation.
703 (schedule_insns): Fixed code that updates register live information
705 (schedule_region): Fixed to handle EBBs.
706 (init_regions): Use extend_regions and check_dead_notes1.
707 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
708 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
709 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
710 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
711 TARGET_SCHED_GEN_CHECK,
712 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
713 TARGET_SCHED_SET_SCHED_FLAGS): Document.
714 * doc/invoke.texi (max-sched-insn-conflict-delay,
715 sched-spec-prob-cutoff): Document.
717 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
719 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
720 inter_tick, queue_index.
721 (struct sched_info): Change signature of init_ready_list field.
722 Adjust all initializations.
723 (RESOLVED_DEPS): New access macro.
724 (ready_add): Remove prototype.
725 (try_ready): Add prototype.
726 * sched-rgn.c (init_ready_list): Use try_ready.
727 (schedule_region): Initialize
728 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
729 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
730 (init_ready_list): Use try_ready.
731 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
732 * lists.c (remove_list_elem): Remove `static'.
733 (remove_free_INSN_LIST_elem): New function.
734 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
735 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
736 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
738 (readyp): New variable.
739 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
740 change_queue_index, resolve_dep): New static functions.
741 (try_ready): New function. Adjust callers in sched-rgn.c and
742 sched-ebb.c to use it instead of ready_add.
743 (clock_var): Move at the begining of file.
744 (rank_for_schedule): Fix typo.
745 (queue_insn): Add assertion. Handle QUEUE_INDEX.
746 (ready_lastpos): Enforce assertion.
747 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
749 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
750 (schedule_insn): Rewrite to use try_ready and resolve_dep.
751 (queue_to_ready): Use free_INSN_LIST_list.
752 (early_queue_to_ready): Fix typo.
753 (schedule_block): Init readyp. Move init_ready_list call after the
754 initialization of clock_var. Fix error in rejecting insn by
755 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
756 that previously corrected INSN_TICKs. Add code for handling
758 (set_priorities): Fix typo.
759 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
760 Clarify comment and code that keeps current_sched_info->next_tail
763 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
765 * sched-rgn.c (extend_rgns): New static function.
767 (gather_region_statistics, print_region_statistics): New static
769 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
770 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
772 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
773 Andrey Belevantsev <abel@ispras.ru>
775 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
776 * lists.c (unused_deps_list): New variable.
777 (free_list): Add assertions to verify the proper distinguishing
778 between INSN_LISTs and DEPS_LISTs.
779 (find_list_elem, remove_list_elem, remove_list_node): New static
781 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
782 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
783 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
784 (alloc_INSN_LIST): Assert that the list we're working on is indeed
786 (free_INSN_LIST_node): Likewise.
787 * modulo-sched.c (current_sched_info): Initialize flags field.
788 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
789 * rtl.def (DEPS_LIST): Define.
790 * rtl.h: Declare new functions from lists.c.
791 * sched-deps.c (spec_dependency_cache): New static variable.
792 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
793 (add_dependence): Change return type to void. Move the logic to ...
794 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
795 (delete_all_dependences): Add comment about forward_dependency_cache.
796 Handle spec_dependency_cache. Handle DEPS_LISTs.
797 (fixup_sched_groups): Clarify the change of priority of output
798 and anti dependencies.
799 (sched_analyze_2): Adjust add_dependence calls to create data
800 speculative dependence.
801 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
802 Adjust all callers. Handle DEPS_LISTS.
803 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
804 presence of speculation.
805 (init_dependency_caches, free_dependency_caches):
806 Handle spec_dependency_cache.
807 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
808 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
809 New static functions.
810 (add_or_update_back_dep, add_or_update_back_forw_dep,
811 add_back_forw_dep, delete_back_forw_dep): New functions.
812 * sched-int.h (ds_t, dw_t): New typedefs.
813 (struct sched_info): Add new field flags.
814 (struct haifa_insn_data): Add new bitfield has_internal_dep.
815 Prototype new sched-deps.c functions.
816 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
817 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
818 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
819 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
820 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
821 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
823 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
825 * sched-rgn.c (current_sched_info): Initialize flags field.
826 (schedule_insns): Initialize current_sched_info before the sched_init
828 * sched-ebb.c (current_sched_info): Initialize flags field.
829 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
830 Call add_or_update_back_dep instead of add_dependence.
831 Create control speculative dependencies.
832 (schedule_insns): Initialize current_sched_info before the sched_init
835 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
837 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
839 (sh_fallback_frame_state): Likewise.
841 2006-03-15 Geoffrey Keating <geoffk@apple.com>
843 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
844 Do switch on default_use_cxa_atexit.
845 (powerpc*-*-darwin*): Build crt2.o on powerpc.
846 * config/darwin-crt3.o: New.
847 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
848 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
849 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
851 * config/rs6000/t-darwin: Move crt2.o building to here.
852 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
853 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
856 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
858 * config/vax/vax.c (nonindexed_address_p): Change logical negation
859 from '! xxx' to '!xxx' for coding-style conformance.
860 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
861 (EXTRA_CONSTRAINT): Likewise.
862 * config/vax/vax.md (four unnamed insns): Likewise.
864 2006-03-15 Paul Brook <paul@codesourcery.com>
866 * config/arm/arm.c (minipool_pad): New.
867 (add_minipool_forward_ref): Include pool alignment padding in address
869 (push_minipool_fix): Set minipool_pad.
870 (minipool_pad): Ditto.
872 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
874 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
875 instead of GET_CODE() == MEM and REG_P() instead of
877 (print_operand_address): Likewise.
878 (vax_address_cost): Likewise.
879 (vax_rtx_costs): Likewise.
880 (vax_notice_update_cc): Likewise.
881 (vax_output_int_add): Likewise.
882 (INDEX_REGISTER_P): Likewise.
883 (BASE_REGISTER_P): Likewise.
884 (nonindexed_address_p): Likewise.
885 (vax_mode_dependent_address_p): Likewise.
886 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
887 (PRINT_OPERAND): Likewise.
888 * config/vax/vax.md (ashlsi3): Likewise.
890 (some more unnamed insns): Likewise.
892 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
894 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
895 iterator-style macro.
896 (mark_control_dependent_edges_necessary): Update the use of
897 EXECUTE_IF_CONTROL_DEPENDENT.
899 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
901 * config/sh/predicates.md (cache_address_operand): Special.
902 (ua_address_operand): Likewise.
904 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
906 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
908 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
910 2006-03-15 Andreas Schwab <schwab@suse.de>
912 * gensupport.c (identify_predicable_attribute): Don't free p_false
913 when it is still in use.
915 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
917 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
918 the default setting here.
920 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
922 * tree-pass.h (pass_cfg): Remove.
923 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
924 * passes.c (pass_cfg): Don't run it.
926 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
928 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
929 * reg-stack.c (stack_regs_mentioned_data): Change the type to
931 (stack_regs_mentioned): Update the uses of
932 stack_regs_mentioned_data. Don't access the array beyond its
934 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
935 Don't include gt-reg-stack.h.
937 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
938 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
940 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
943 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
946 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
948 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
950 2006-03-14 Richard Guenther <rguenther@suse.de>
952 PR tree-optimization/26672
953 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
956 2006-03-14 Richard Guenther <rguenther@suse.de>
958 PR tree-optimization/26667
959 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
960 node for the callees. Always allow inlining if it will shrink
963 2006-03-14 Richard Guenther <rguenther@suse.de>
966 * builtins.c (get_pointer_alignment): Prefer alignment
967 information from decls over that from types.
969 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
972 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
974 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
976 * config/rs6000/rs6000.opt (mdlmzb): New option.
977 (msched-prolog, msched-epilog): Use Var not Mask.
978 * doc/invoke.texi (-mdlmzb): Document.
979 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
981 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
982 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
984 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
986 PR rtl-optimization/25739
987 * bt-load.c (augment_live_range): Free tos pointer.
989 * gensupport.c (identify_predicable_attribute): Free
991 * gcov.c (create_file_names): Free name pointer.
993 2006-03-13 Roger Sayle <roger@eyesopen.com>
996 * stmt.c (emit_case_nodes): Handle the case where the index is a
997 CONST_INT, where the comparison mode is specified by the index type.
999 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1001 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
1004 2006-03-13 Richard Sandiford <richard@codesourcery.com>
1006 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
1007 (*branch_fp_inverted): Likewise.
1009 2006-03-13 Jakub Jelinek <jakub@redhat.com>
1012 * omp-low.c (expand_omp_for_generic): Mark istart0
1013 and iend0 as addressable.
1015 2006-03-13 Jie Zhang <jie.zhang@analog.com>
1017 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
1019 2006-03-13 Jeff Law <law@redhat.com>
1021 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
1022 virtual operands are interesting.
1023 (vrp_visit_stmt): Corresponding changes.
1025 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
1027 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
1029 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
1030 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
1031 * config/bfin/crti.S: Use it instead of __PIC__.
1032 * config/bfin/crtn.S: Likewise.
1034 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
1035 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
1037 Lose 'G' modifier for call operand.
1038 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
1039 recognize 'G' modifier.
1041 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
1044 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
1045 * stmt.c (expand_case): Likewise.
1047 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1049 PR rtl-optimization/26254
1050 * loop-invariant.c (seq_insns_valid_p): New function.
1051 (move_invariant_reg): Only emit new code if it is valid.
1053 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1055 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
1057 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
1058 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
1059 (commit_one_edge_insertion): Do not look for loop notes.
1061 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1063 * jump.c (follow_jumps): Do not check for loop notes. Move check for
1064 flag_test_coverage out of loop.
1066 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1068 * final.c (shorten_branches): Remove outdated comment, and turn
1069 the if branch that guards it to continue.
1071 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1073 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
1074 * cfgloop.h (struct loop): Remove unused fields.
1076 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
1078 * doc/invoke.texi (-fdump-rtl-loop): Remove.
1079 (-dL, -fdump-rtl-loop2): Update the dump file names
1081 * doc/invoke.texi: Update dump file names.
1083 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
1085 * predict.c (estimate_probability): Remove.
1086 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
1087 * basic-block.h (estimate_probability): Remove prototype.
1088 * passes.c (finish_optimization_passes): Dump branch prediction or
1089 profiling heuristics to the .profile tree dump.
1090 (init_optimization_passes): Unqueue pass_branch_prob.
1092 * doc/invoke.texi (-fdump-rtl-bp): Remove.
1094 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
1096 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
1097 * rtl.h (LABEL_NEXTREF): Remove field accessor.
1099 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
1101 * function.h (frame_offset_overflow): Declare.
1102 * function.c (frame_offset_overflow): New function.
1103 (assign_stack_local_1): Call it to detect that the offset overflows.
1104 * cfgexpand.c (alloc_stack_frame_space): Likewise.
1106 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
1108 * config/sh/sh.c: Include alloc-pool.h.
1109 (label_ref_list_pool): New alloc pool.
1110 (label_ref_list_t): New type for lists of labels.
1111 (struct pool_node): Make wend a label_ref_list_t.
1112 (add_constant): Use the new type, eradicate LABEL_NEXTREF
1114 (dump_table): Likewise.
1115 (sh_reorg): Set up the alloc pool before using add_constant and
1116 dump_table, and destroy it when finishing.
1118 2006-03-11 Richard Sandiford <richard@codesourcery.com>
1120 * config/mips/mips.c: Remove redundant comment.
1122 2006-03-10 Jason Merrill <jason@redhat.com>
1125 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
1126 the target was declared 'register'.
1128 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
1130 * genpreds.c (write_insn_constraint_len): Change definition of
1131 insn_constraint_len to return size_t to match the declaration.
1133 2006-03-10 DJ Delorie <dj@redhat.com>
1135 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
1137 (m32c_expand_insv): Fix test for an AND mask.
1139 2006-03-10 Richard Guenther <rguenther@suse.de>
1142 * builtins.c (get_pointer_alignment): Handle component
1143 references for field alignment.
1145 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
1147 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
1148 when building with libgloss.
1149 (sh*elf): Implement --without-fp option.
1150 (sh64-superh-linux*): Don't multilib.
1152 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
1154 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
1156 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
1158 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
1159 Set it when one of the replacement functions returned true.
1160 Return TODO_cleanup_cfg if cfgchanged is true.
1161 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
1163 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
1165 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
1166 instead of gen_lowpart.
1168 2006-03-09 Richard Sandiford <richard@codesourcery.com>
1170 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
1172 (mips_output_order_conditional_branch): Declare.
1173 * config/mips/mips.h (MIPS_BRANCH): New macro.
1174 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
1175 for the comparison. Use gen_condjump.
1176 (mips_output_conditional_branch): Rework interface to take the
1177 asm templates for a direct branch and the inverse of a direct branch.
1178 (mips_output_order_conditional_branch): New function.
1179 (mips_builtin_branch_and_move): New function.
1180 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
1181 branch condition. Use gen_single_cc as the condition for
1182 __builtin_mips_upper_* or __builtin_mips_lower_*.
1183 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
1184 Use VOIDmode for the branch condition.
1185 * config/mips/predicates.md (order_operator): New predicate.
1186 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
1187 (branch_fp): Rename to...
1188 (*branch_fp): ...this. Remove mode from comparison operator.
1189 Use new mips_output_conditional_branch interface.
1190 (branch_fp_inverted): Rename to...
1191 (*branch_fp_inverted): ...this and update as for *branch_fp.
1192 (*branch_zero<mode>): Rename to...
1193 (*branch_order<mode>): ...this. Remove mode from comparison operator.
1194 Use mips_output_order_conditional_branch. Only accept ordered
1196 (*branch_zero<mode>_inverted): Rename to...
1197 (*branch_order<mode>_inverted): ...this and update as for
1198 *branch_order<mode>.
1199 (*branch_equality<mode>): Accept zero as the second operand to
1200 the equality operator. Use the new mips_output_conditional_branch
1202 (*branch_equality<mode>_inverted): Likewise.
1203 (condjump): New expander.
1204 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
1206 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
1207 (bc1any2t, bc1any2f): Likewise.
1208 (single_cc): New expander.
1209 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
1211 2006-03-09 Richard Sandiford <richard@codesourcery.com>
1213 * doc/md.texi: Update documentation of MIPS constraints.
1214 * config/mips/constraints.md: New file.
1215 * config/mips/mips.md: Include it.
1216 * config/mips/mips.c (mips_char_to_class): Delete.
1217 (override_options): Don't initialize mips_char_to_class.
1218 * config/mips/mips.h (mips_char_to_class): Delete.
1219 (REG_CLASS_FROM_LETTER): Delete.
1220 (CONST_OK_FOR_LETTER_P): Delete.
1221 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1222 (EXTRA_CONSTRAINT_Y): Delete.
1223 (EXTRA_CONSTRAINT_STR): Delete.
1224 (CONSTRAINT_LEN): Delete.
1225 (EXTRA_MEMORY_CONSTRAINT): Delete.
1227 2006-03-09 Diego Novillo <dnovillo@redhat.com>
1229 * tree-cfg.c (move_block_to_fn): Remove the statements from the
1230 original fn's eh regions.
1232 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
1234 * fold-const.c (build_range_check): Make sure to use a valid type to
1235 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
1238 (range_predecessor): New static function.
1239 (range_successor): Likewise.
1240 (merge_ranges): Use them to compute predecessors and successors of
1243 2006-03-09 Roger Sayle <roger@eyesopen.com>
1246 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
1247 X op C3, consider whether C3 overflows towards +Inf or -Inf.
1249 2006-03-08 DJ Delorie <dj@redhat.com>
1251 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
1252 (addpsi3): Expand to include memory operands. Remove
1253 reload-specific splits.
1254 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
1255 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
1256 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
1257 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
1258 (shift1_qi, shift1_hi, insv): New.
1259 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
1260 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
1261 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
1263 * config/m32c/m32c-protos.h: Update as needed.
1264 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
1265 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
1266 Fail for unrecognized R* constraints.
1267 (m32c_cannot_change_mode_class): Be more picky about pseudos.
1268 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
1269 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
1271 (m32c_init_libfuncs): New.
1272 (m32c_legitimate_address_p): Add debug wrapper.
1273 (m32c_rtx_costs): New.
1274 (m32c_address_cost): New.
1275 (conversions): Add 'B' prefix.
1276 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
1277 operands, or word regnames for QI operands. 'B' prints bit
1279 (m32c_expand_setmemhi): New.
1280 (m32c_expand_movmemhi): New.
1281 (m32c_expand_movstr): New.
1282 (m32c_expand_cmpstr): New.
1283 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
1284 (m32c_expand_neg_mulpsi3): Handle non-ints.
1285 (m32c_cmp_flg_0): New.
1286 (m32c_expand_movcc): New.
1287 (m32c_expand_insv): New.
1288 (m32c_scc_pattern): New.
1289 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
1290 a0/a1 out of SIregs.
1291 (STORE_FLAG_VALUE): New.
1292 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
1295 * config/m32c/mov.md: Make constraints more liberal.
1296 (zero_extendqihi2): Optimize r0/r1 case.
1297 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
1298 * config/m32c/predicates.md (m32c_any_operand): New.
1299 (m32c_nonimmediate_operand): New.
1300 (m32c_hl_operand): New.
1301 (m32c_r3_operand): New.
1304 (memsym_operand): New.
1305 (memimmed_operand): New.
1306 (a_qi_operand): New.
1307 (m32c_eqne_operator): New.
1308 (m32c_1bit8_operand): New.
1309 (m32c_1bit16_operand): New.
1310 (m32c_1mask8_operand): New.
1311 (m32c_1mask16_operand): New.
1312 * config/m32c/blkmov.md: New file.
1313 * config/m32c/t-m32c (MD_FILES): Add blkmov.
1315 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
1317 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
1318 unsigned to fix signed/unsigned comparison issue in
1319 DWARF2_FRAME_REG_OUT.
1320 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
1321 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
1323 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
1324 of ptr into the ENABLE_CHECKING section.
1326 2006-03-08 Jeff Law <law@redhat.com>
1328 * tree-vrp.c (infer_value_range): Only count pointer uses
1329 and dereferences if -fdelete-null-pointer-checks is enabled.
1331 * tree-vrp.c (find_assert_locations): Infer value ranges for
1332 single use pointers, but do not create ASSERT_EXPRs for them.
1333 When a non-null range is inferred for a pointer, backwards
1334 propagate that range to other equivalent pointers through the
1337 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
1340 * Makefile.in (dvi, html, install-info): Invoke the corresponding
1341 language hook targets.
1342 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
1343 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
1344 if language hook targets were missing.
1346 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
1348 * tree-ssa-opfinalize.h: Removed.
1349 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
1351 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
1352 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
1353 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
1354 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
1355 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
1356 finalize_ssa_v_must_def_ops): New.
1358 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
1360 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
1363 2006-03-07 Geoffrey Keating <geoffk@apple.com>
1365 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
1367 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
1368 addresses with offsets; reorganize.
1370 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
1371 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
1372 (expand_builtin_init_dwarf_reg_sizes): Likewise.
1374 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
1377 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
1379 2006-03-08 Ben Elliston <bje@au.ibm.com>
1381 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
1383 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
1386 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
1389 2006-03-07 Richard Guenther <rguenther@suse.de>
1391 PR tree-optimization/26587
1392 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
1394 2006-03-07 Richard Sandiford <richard@codesourcery.com>
1396 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
1398 2006-03-07 Richard Sandiford <richard@codesourcery.com>
1400 * hooks.c (hook_bool_mode_rtx_true): New function.
1401 * hooks.h (hook_bool_mode_rtx_true): Declare.
1402 * toplev.c (compile_file): Call output_shared_constant_pool.
1403 * varasm.c (shared_constant_pool): New variable.
1404 (assemble_start_function, assemble_end_function): Remove arguments
1405 from call to output_constant_pool.
1406 (create_constant_pool): New function, split out from...
1407 (init_varasm_status): ...here.
1408 (force_const_mem): Choose between the shared and per-function constant
1409 pools. Set current_function_uses_const_pool when reusing old entries
1410 as well as when creating new ones.
1411 (mark_constant): Ignore data argument.
1412 (mark_constants): Remove pool argument.
1413 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
1414 to decide whether the function uses a constant pool.
1415 (output_constant_pool_contents): New function, split out from...
1416 (output_constant_pool): ...here.
1417 (output_shared_constant_pool): New function.
1418 (init_varasm_once): Initialize shared_constant_pool.
1419 * output.h (output_constant_pool): Delete.
1420 (output_shared_constant_pool): Declare.
1421 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
1422 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
1424 2006-03-06 Nick Clifton <nickc@redhat.com>
1426 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
1427 flag_strength_reduce.
1429 2006-03-06 Ben Elliston <bje@au.ibm.com>
1431 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
1432 x86_64-*-linux* configurations.
1434 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
1435 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
1437 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
1439 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
1441 * basic-block.h: Remove the extern for
1442 rediscover_loops_after_threading.
1444 * cfgloop.c (cancel_loop): Make it static.
1445 * cfgloop.h: Remove the prototype for cancel_loop.
1447 * flow.c (recompute_reg_usage): Make it static.
1448 * rtl.h: Remove the prototype for recompute_reg_usage.
1450 * function.c (use_return_register): Make it static.
1451 * function.h: Remove the prototype.
1453 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
1455 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
1457 * recog.h: Remove the prototype for
1458 validate_change_maybe_volatile.
1460 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
1462 * rtlanal.c (replace_reg): Remove.
1463 * rtl.h: Remove the prototype for replace_reg.
1465 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
1467 * regclass.c (reg_scan_update): Remove.
1468 (reg_scan_mark_refs): Remove the last argument.
1469 * rtl.h: Remove the prototype for reg_scan_update.
1471 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1473 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
1474 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
1475 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
1476 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
1477 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
1478 loop-invariant.c, omp-low.c, opts.c, passes.c,
1479 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
1480 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
1481 tree-ssa-structalias.c, tree-ssa-threadedge.c,
1482 tree-ssa-threadupdate.c, tree-vect-patterns.c,
1483 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
1484 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
1486 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1488 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
1489 * dwarf2out.h: Remove the prototype for
1490 dwarf2out_add_library_unit_info.
1492 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1494 * tree.c (add_var_to_bind_expr): Remove.
1495 * tree.h: Remove the prototype for add_var_to_bind_expr.
1497 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1499 * regclass.c (n_non_fixed_regs): Remove.
1500 (init_reg_sets_1, globalize_reg): Remove all uses of
1502 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
1504 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1506 * rtlanal.c (insns_safe_to_move_p): Remove.
1507 * rtl.h: Remove the prototype for insns_safe_to_move_p.
1509 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1511 * expmed.c (expand_mult_add): Remove.
1512 * expr.h: Remove the prototype for expand_mult_add.
1514 2006-03-04 Jakub Jelinek <jakub@redhat.com>
1516 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
1517 and REG_SAVED_VAL_EXP constants.
1518 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
1519 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
1520 Handle regs stored by value.
1521 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
1522 (execute_cfa_program): Handle DW_CFA_val_offset,
1523 DW_CFA_val_offset_sf and DW_CFA_val_expression.
1524 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
1525 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
1526 (uw_install_context_1): Handle target regs stored by value.
1528 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
1530 * tree-sra.c (tree_sra): Return todoflags;
1531 (generate_one_element): Set TODO_update_smt_usage if needed.
1532 (pass_sra): Remove TODO_update_smt_usage.
1533 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
1535 (tree_ssa_forward_propagate_single_use_vars): Return
1536 TODO_update_smt_usage if we need to update SMT usage.
1537 (pass_forwprop): Remove TODO_update_smt_usage.
1539 2006-03-03 Diego Novillo <dnovillo@redhat.com>
1541 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
1542 (correct_use_link): Remove reference to get_stmt_operands.
1543 (update_stmt_operands): Likewise.
1544 (get_modify_expr_operands): New function factored out of
1545 parse_ssa_operands and get_expr_operands.
1546 Try to create V_MUST_DEFs for LHS by default.
1547 (get_expr_operands) <case MODIFY_EXPR>: Call
1548 get_modify_expr_operands.
1549 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
1550 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
1551 (parse_ssa_operands) <case MODIFY_EXPR>: Call
1552 get_modify_expr_operands.
1554 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
1556 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
1557 * tree-flow.h: Remove the prototype for
1558 referenced_var_lookup_if_exists.
1560 2006-03-03 Steve Ellcey <sje@cup.hp.com>
1562 PR rtl-optimization/26345
1564 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
1566 2006-03-03 Roger Sayle <roger@eyesopen.com>
1568 PR tree-optimization/26524
1569 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
1570 fold_convert to create a constant of the appropriate type.
1572 2006-03-03 Richard Sandiford <richard@codesourcery.com>
1574 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1575 SYMBOL_REF_IN_BLOCK_P.
1576 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
1577 of SYMBOL_FLAG_IN_BLOCK.
1578 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
1579 instead of SYMBOL_REF_IN_BLOCK_P.
1580 * explow.c (use_anchored_address): Likewise.
1581 * rtl.c (rtx_size): Likewise.
1582 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
1583 instead of SYMBOL_FLAG_IN_BLOCK.
1584 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1585 SYMBOL_REF_IN_BLOCK_P.
1586 (assemble_variable): Likewise.
1587 (output_constant_def_contents): Likewise.
1588 (output_constant_pool): Likewise.
1589 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
1590 instead of SYMBOL_FLAG_IN_BLOCK.
1591 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1592 SYMBOL_REF_IN_BLOCK_P.
1593 (SYMBOL_REF_BLOCK): Likewise.
1594 (SYMBOL_REF_OFFSET): Likewise.
1595 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1596 SYMBOL_REF_IN_BLOCK_P.
1597 (SYMBOL_FLAG_IN_BLOCK): Replace with...
1598 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
1599 (SYMBOL_REF_IN_BLOCK_P): Replace with...
1600 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
1602 2006-03-03 Jakub Jelinek <jakub@redhat.com>
1604 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
1606 2006-03-02 Roger Sayle <roger@eyesopen.com>
1608 * simplify-rtx.c (simplify_unary_operation): When simplifying
1609 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
1610 that we perform the right shift in the appropriate mode, and
1611 then extend or truncate the result to requested mode.
1613 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
1615 * gengtype.c (main): Handle double_int type.
1616 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
1617 * double-int.c: New file.
1618 * double-int.h: New file.
1619 * system.h: Include doubleint.h.
1620 * Makefile.in (SYSTEM_H): Include double-int.h.
1621 (double-int.o): Add.
1623 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
1626 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
1629 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
1631 * tree-vrp.c (remove_range_assertions): Do not update statements
1634 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
1636 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
1638 * gcse.c (rest_of_handle_gcse): Ditto.
1639 * except.c (gate_handle_eh): Ditto.
1640 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
1641 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
1643 2006-03-02 Eric Christopher <echristo@apple.com>
1645 * config/i386/i386.c (machopic_output_stub): Add indirection to
1648 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
1652 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
1654 Sun Niagara specific optimizations.
1655 * config.gcc: Recognize niagara as target.
1656 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
1657 (TARGET_CPU_niagara): Define.
1658 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
1659 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
1660 (CPP_CPU_SPEC): Handle -mcpu=niagara.
1661 (ASM_CPU_SPEC): Likewise.
1662 (PROCESSOR_NIAGARA): New enum entry.
1663 (REGISTER_MOVE_COST): Handle Niagara.
1664 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
1665 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
1666 (sparc_override_options): Recognize "niagara", set appropriate
1667 default MASK_* values for it, and align functions to 32-bytes
1668 by default just like ULTRASPARC/ULTRASPARC3.
1669 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
1670 (sparc64_initialize_trampoline): Likewise.
1671 (sparc_use_sched_lookahead): Use zero for niagara.
1672 (sparc_issue_rate): Use one for niagara.
1673 * config/sparc/niagara.md: New file.
1674 * config/sparc/sparc.md: Include it.
1675 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
1676 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
1677 when default cpu is niagara.
1678 (CPP_CPU_SPEC): Handle -mcpu=niagara.
1679 (ASM_CPU_SPEC): Likewise.
1680 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
1681 when default cpu is niagara.
1682 (ASM_CPU_SPEC): Handle -mcpu=niagara.
1683 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
1684 just like v9/ultrasparc/ultrasparc3.
1685 * doc/invoke.texi: Add documentation for "niagara" and improve
1686 existing documentation for ultrasparc variants.
1688 2006-03-02 Diego Novillo <dnovillo@redhat.com>
1690 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
1692 2006-03-02 Richard Sandiford <richard@codesourcery.com>
1694 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
1695 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
1696 and say that only one is needed.
1697 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
1698 * target.h (have_switchable_bss_sections): New hook.
1699 * explow.c (use_anchored_address): Check that the symbol is in a block.
1700 * varasm.c (tls_comm_section, comm_section, lcomm_section)
1701 (bss_noswitch_section): New variables.
1702 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
1703 (get_noswitch_section): New function.
1704 (get_block_for_section): Allow SECT to be null.
1705 (unlikely_text_section_p): Use SECTION_STYLE.
1706 (bss_initializer_p): New function.
1707 (get_variable_section): Move earlier in file. Take a new argument,
1708 prefer_noswitch_p. Move bss checks from assemble_variable to here.
1709 Return one of the new *_sections in such cases.
1710 (get_block_for_decl): New function, extracting some logic from
1711 use_blocks_for_decl_p.
1712 (change_symbol_section): Remove in favor of...
1713 (change_symbol_block): ...this new function.
1714 (use_blocks_for_decl_p): Remove checks now performed by
1716 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
1717 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
1718 (emit_local, emit_bss, emit_common): ...these new functions.
1719 Return true if the alignment was honored.
1720 (emit_tls_common): New function.
1721 (asm_emit_uninitialised): Delete.
1722 (assemble_variable_noswitch): New function, split out from...
1723 (assemble_variable): ...here. Don't make decisions about common
1724 variables here. Globalize all public decls that go into non-common
1725 sections. Check whether SYMBOL_REF_BLOCK is null.
1726 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
1727 (output_constant_pool): Likewise.
1728 (init_varasm_once): Initialize the new section variables.
1729 (have_global_bss_p): New function.
1730 (categorize_decl_for_section): Use bss_initializer_p.
1731 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
1732 (place_block_symbol): Assert that the symbol must be in a block.
1733 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
1734 (TARGET_INITIALIZER): Include it.
1735 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
1736 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
1737 (SECTION_MACH_DEP): Bump by two.
1738 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
1739 (unnamed_section): Mention SECTION_UNNAMED in comment.
1740 (named_section): Likewise SECTION_NAMED.
1741 (noswitch_section_callback): New type.
1742 (noswitch_section): New structure.
1743 (section): Add a noswitch_section alternative.
1744 (SECTION_STYLE): New macro.
1745 (tls_comm_section, comm_section, lcomm_section): Declare.
1746 (bss_noswitch_section, have_global_bss_p): Declare.
1747 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
1748 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
1750 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
1751 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
1754 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
1756 * gcc/tree-vrp.c (execute_vrp): Return value.
1757 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
1758 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
1759 * gcc/tree-complex.c (tree_lower_complex): Ditto.
1760 (tree_lower_complex_O0): Ditto.
1761 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
1762 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
1763 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
1764 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
1765 (execute_tail_calls): Ditto.
1766 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1767 * gcc/tree.h (init_function_for_compilation): Ditto.
1768 * gcc/ipa-cp.c (ipcp_driver): Ditto.
1769 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
1770 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
1771 * gcc/final.c (compute_alignments): Ditto.
1772 (rest_of_handle_final): Ditto.
1773 (rest_of_handle_shorten_branches): Ditto.
1774 (rest_of_clean_state): Ditto.
1775 * gcc/omp-low.c (execute_expand_omp): Ditto.
1776 (execute_lower_omp): Ditto.
1777 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
1778 * gcc/ipa-reference.c (static_execute): Ditto.
1779 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
1780 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
1781 (rest_of_handle_machine_reorg): Ditto.
1782 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
1783 * gcc/flow.c (recompute_reg_usage): Ditto.
1784 (rest_of_handle_remove_death_notes): Ditto.
1785 (rest_of_handle_life): Ditto.
1786 (rest_of_handle_flow2): Ditto.
1787 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
1788 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
1789 (do_ssa_store_ccp): Ditto.
1790 (execute_fold_all_builtins): Ditto.
1791 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
1792 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
1793 * gcc/ipa-pure-const.c (static_execute): Ditto.
1794 * gcc/cse.c (rest_of_handle_cse): Ditto.
1795 (rest_of_handle_cse2): Ditto.
1796 * gcc/web.c (rest_of_handle_web): Ditto.
1797 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
1798 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
1799 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
1800 * gcc/tree-nrv.c (tree_nrv): Ditto.
1801 (execute_return_slot_opt): Ditto.
1802 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
1803 (create_structure_vars): Ditto.
1804 * gcc/loop-init.c (rtl_loop_init): Ditto.
1805 (rtl_loop_done): Ditto.
1806 (rtl_move_loop_invariants): Ditto.
1807 (rtl_unswitch): Ditto.
1808 (rtl_unroll_and_peel_loops): Ditto.
1809 (rtl_doloop): Ditto.
1810 * gcc/gimple-low.c (lower_function_body): Ditto.
1811 (mark_used_blocks): Ditto.
1812 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
1813 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
1814 (cgraph_early_inlining): Ditto.
1815 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
1816 * gcc/jump.c (cleanup_barriers): Ditto.
1817 (purge_line_number_notes): Ditto.
1818 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
1819 (rest_of_handle_if_after_reload): Ditto.
1820 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
1821 (tree_ssa_loop_im): Ditto.
1822 (tree_ssa_loop_unswitch): Ditto.
1823 (tree_vectorize): Ditto.
1824 (tree_linear_transform): Ditto.
1825 (tree_ssa_loop_ivcanon): Ditto.
1826 (tree_ssa_empty_loop): Ditto.
1827 (tree_ssa_loop_bounds): Ditto.
1828 (tree_complete_unroll): Ditto.
1829 (tree_ssa_loop_prefetch): Ditto.
1830 (tree_ssa_loop_ivopts): Ditto.
1831 (tree_ssa_loop_done): Ditto.
1832 * gcc/predict.c (tree_estimate_probability): Ditto.
1833 * gcc/recog.c (split_all_insns_noflow): Ditto.
1834 (rest_of_handle_peephole2): Ditto.
1835 (rest_of_handle_split_all_insns): Ditto.
1836 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
1837 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
1838 (rest_of_handle_stack_adjustments): Ditto.
1839 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
1840 * gcc/function.c (instantiate_virtual_regs): Ditto.
1841 (init_function_for_compilation): Ditto.
1842 (rest_of_handle_check_leaf_regs): Ditto.
1843 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
1844 (rest_of_handle_gcse): Ditto.
1845 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
1846 * gcc/alias.c (rest_of_handle_cfg): Ditto.
1847 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
1848 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
1849 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
1850 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
1851 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
1852 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
1853 * gcc/except.c (set_nothrow_function_flags): Ditto.
1854 (convert_to_eh_region_ranges): Ditto.
1855 (rest_of_handle_eh): Ditto.
1856 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
1857 (remove_unnecessary_notes): Ditto.
1858 * gcc/except.h (set_nothrow_function_flags): Ditto.
1859 (convert_to_eh_region_ranges): Ditto.
1860 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
1861 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
1862 * gcc/tree-ssa-pre.c (do_pre): Ditto.
1863 (execute_fre): Ditto.
1864 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
1865 (rest_of_handle_jump2): Ditto.
1866 * gcc/tree-sra.c (tree_sra): Ditto.
1867 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
1868 (execute_mudflap_function_decls): Ditto.
1869 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
1870 (do_store_copy_prop): Ditto.
1871 * gcc/ipa-prop.h (ipcp_driver): Ditto.
1872 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
1873 * gcc/tree-ssa-forwprop.c
1874 (tree_ssa_forward_propagate_single_use_vars): Ditto.
1875 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
1876 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
1877 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
1878 (execute_late_warn_uninitialized): Ditto.
1879 * gcc/rtl.h (cleanup_barriers): Ditto.
1880 (split_all_insns_noflow): Ditto.
1881 (purge_line_number_notes): Ditto.
1882 (unshare_all_rtl): Ditto.
1883 (remove_unnecessary_notes): Ditto.
1884 (recompute_reg_usage): Ditto.
1885 (variable_tracking_main): Ditto.
1886 * gcc/integrate.c (emit_initial_value_sets): Ditto.
1887 * gcc/integrate.h (emit_initial_value_sets): Ditto.
1888 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
1889 (execute_free_cfg_annotations): Ditto.
1890 (execute_fixup_cfg): Ditto.
1891 (execute_cleanup_cfg_pre_ipa): Ditto.
1892 (execute_cleanup_cfg_post_optimizing): Ditto.
1893 (execute_init_datastructures): Ditto.
1894 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
1895 * gcc/combine.c (rest_of_handle_combine): Ditto.
1896 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
1897 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
1898 (rest_of_handle_reorder_blocks): Ditto.
1899 (rest_of_handle_partition_blocks): Ditto.
1900 * gcc/var-tracking.c (variable_tracking_main): Ditto.
1901 * gcc/tree-profile.c (tree_profiling): Ditto.
1902 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
1903 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
1904 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
1905 (rest_of_handle_sched2): Ditto.
1906 * gcc/basic-block.h (free_bb_insn): Ditto.
1907 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
1908 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
1909 (remove_useless_stmts): Ditto.
1910 (split_critical_edges): Ditto.
1911 (execute_warn_function_return): Ditto.
1912 (execute_warn_function_noreturn): Ditto.
1913 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
1914 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
1915 * gcc/passes.c (execute_one_pass): Run additional
1916 todos returned by execute function.
1917 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
1920 2006-03-02 Richard Guenther <rguenther@suse.de>
1922 * tree-ssa-alias.c (find_used_portions): Consider taking
1923 the address as making the variable not write-only.
1925 2006-03-02 Nick Clifton <nickc@redhat.com>
1927 * config.gcc (default_use_cxa_atexit): Extend the description of
1928 this configure variable. Set its default value to "yes" for
1929 Linux, NetBSD and ELF targets on the assumption that they will
1930 use C libraries with the __cxa_atexit function.
1932 2006-03-02 Ben Elliston <bje@au.ibm.com>
1934 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
1935 parameter as unused to suppress a build warning.
1937 2006-03-02 Ben Elliston <bje@au.ibm.com>
1939 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
1942 2006-03-01 Roger Sayle <roger@eyesopen.com>
1945 * gthr-posix.h (__gthrw2): Define to take three parameters, the
1946 declared name, the weak reference name, and the typeof name.
1947 (__gthrw): Avoid expanding the declared name suffix.
1948 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
1950 2006-03-01 Jakub Jelinek <jakub@redhat.com>
1952 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
1954 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
1955 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
1956 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
1957 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
1958 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
1959 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
1960 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
1961 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
1962 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
1963 DW_DS_leading_separate, DW_DS_trailing_separate): New.
1964 (DW_END_default, DW_END_big, DW_END_little): New.
1965 (DW_END_lo_user, DW_END_hi_user): Define.
1966 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
1967 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
1968 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
1971 2006-03-01 Diego Novillo <dnovillo@redhat.com>
1973 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
1975 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
1977 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
1979 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
1981 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
1982 to 'symbol_mem_tag'.
1984 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
1987 2006-03-01 Roger Sayle <roger@eyesopen.com>
1989 * builtins.c (fold_builtin_copysign): Delete unreachable code.
1991 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
1994 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
1995 MACHO_DYNAMIC_NO_PIC_P.
1996 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
1998 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2001 * config/darwin-protos.h (darwin_asm_output_anchor):
2003 * config/darwin-sections.def (cstring_section):
2004 Add SECTION_MERGE to the flags.
2005 (literal4_section): Likewise.
2006 (literal8_section): Likewise.
2007 (objc_selector_refs_section): Likewise.
2008 (objc_cls_refs_section): Likewise.
2009 * config/darwin.c (darwin_asm_output_anchor): New
2011 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
2013 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
2015 Fix PR tree-optimization/26443
2016 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
2017 to todo and PROP_tmt_usage to properties_destroyed.
2018 * tree-ssa-ccp.c (pass_ccp): Ditto.
2019 (pass_store_ccp): Ditto.
2020 * tree-ssa-dom.c (pass_dominator): Ditto.
2022 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2024 * tree-ssa-operands.c: Cleanup whitespace.
2025 (get_asm_expr_operands): Move before first invocation.
2026 (get_indirect_ref_operands): Likewise.
2027 (get_tmr_operands): Likewise.
2028 (get_call_expr_operands): Likewise.
2029 (append_def): Likewise.
2030 (append_use): Likewise.
2031 (append_v_may_def): Likewise.
2032 (append_v_must_def): Likewise.
2033 (add_call_clobber_ops): Likewise.
2034 (add_call_read_ops): Likewise.
2035 (add_stmt_operand): Likewise.
2036 (add_virtual_operand): Likewise.
2037 (build_ssa_operands): Likewise.
2039 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2044 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
2045 with a call expr to ...
2046 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
2048 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2050 * tree-vrp.c (extract_range_from_assert): Remove special
2051 handling for types with super-types.
2053 2006-03-01 Ben Elliston <bje@au.ibm.com>
2055 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
2056 and powerpc64-*-linux* configurations.
2057 * config/t-dfprules: New file.
2059 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
2060 Compile dfp-bit.c from the source directory using -DWIDTH and
2061 $DFP_CFLAGS to control the compilation of that file, rather than
2062 generating width-specific versions in the build directory.
2063 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
2064 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
2066 2006-02-28 Zack Weinberg <zackw@panix.com>
2068 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
2071 2006-02-28 Eric Christopher <echristo@apple.com>
2073 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
2074 Set up IN_LIBGCC definition of TARGET_64BIT.
2075 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
2077 2006-02-28 Roger Sayle <roger@eyesopen.com>
2080 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
2081 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
2082 cases via the construction of "expr != 0".
2084 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
2086 * alias.c (alias_invariant, alias_invariant_size): Remove.
2087 (record_base_value): Remove.
2088 (memrefs_conflict_p): Don't look at alias_invariant.
2089 (end_alias_analysis): Don't free it.
2090 * alias.h (record_base_value): Remove prototype.
2092 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
2093 Adam Nemet <anemet@caviumnetworks.com>
2095 * rtl.h (truncated_to_mode): Declare it.
2096 (struct rtl_hooks): Add reg_truncated_to_mode hook.
2097 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
2098 (RTL_HOOKS_INITIALIZER): Include it.
2099 * rtlhooks.c (reg_truncated_to_mode_general): New function.
2100 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
2101 reg_truncated_to_mode.
2102 * rtlanal.c (truncated_to_mode): Define it.
2103 * simplify-rtx.c (simplify_unary_operation_1): Use it.
2105 2006-02-28 Jeff Law <law@redhat.com>
2107 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
2108 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
2109 the range allowed by TYPE_PRECISION.
2111 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
2113 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
2115 PR tree-optimization/26419
2116 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
2119 2006-02-27 Zack Weinberg <zackw@panix.com>
2121 * doc/md.texi: Fix typo in previous change.
2123 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
2127 2006-02-27 Zack Weinberg <zackw@panix.com>
2129 * rtl.def (define_constraint, define_register_constraint)
2130 (define_memory_constraint, define_address_constraint): New MD forms.
2131 * gensupport.c (process_rtx): Put define_constraint etc on the
2133 * genpreds.c (process_define_predicate): Adjust comment. Validate
2134 the name, and call validate_exp to validate the expression.
2135 (mark_mode_tests, write_extract_subexp): Can assume correct input.
2136 (write_predicate_expr): Likewise. NAME argument no longer necessary;
2137 all callers changed.
2138 (validate_exp, needs_variable, struct constraint_data)
2139 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
2140 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
2141 (const_dbl_constraints, constraint_max_namelen)
2142 (have_register_constraints, have_memory_constraints)
2143 (have_address_constraints, have_address_constraints)
2144 (have_extra_constraints, have_const_int_constraints)
2145 (have_const_dbl_constraints, mangle, add_constraint)
2146 (process_define_constraint, process_define_register_constraint)
2147 (write_enum_constraint_num, write_lookup_constraint)
2148 (write_insn_constraint_len, write_regclass_for_constraint)
2149 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
2150 (write_insn_extra_memory_constraint)
2151 (write_insn_extra_address_constraint)
2152 (write_satisfies_constraint_fns): New.
2153 (write_tm_preds_h): If we have new-style constraint definitions,
2154 prototype the functions generated from them, and define the
2155 old constraint interface (still used by generic code) in terms of
2157 (write_insn_preds_c): If we have new-style constraint definitions,
2158 generate all relevant functions from those definitions.
2159 (main): Handle define_constraint etc.
2160 * genoutput.c (struct constraint_data, indep_constraints)
2161 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
2162 (mdep_constraint_len): New data structures and functions, defined
2163 #ifdef USE_MD_CONSTRAINTS.
2164 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
2165 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
2166 use new logic to validate operand constraints against constraint
2168 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
2170 * defaults.h: If none of the old-style constraint macros are
2171 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
2172 old-style macros; and poison REG_CLASS_FROM_LETTER,
2173 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
2175 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
2176 * doc/md.texi: Document new constraint-definition mechanism and the
2177 C interface it provides. Remove references to old mechanism
2178 elsewhere in the document.
2179 (Machine Constraints): Use pathnames relative to gcc directory,
2180 i.e. config/ARCH/FILE. Change i386 section to refer to
2181 config/i386/predicates.md; update that section to match docstrings.
2182 * doc/tm.texi: Move all documentation of the old constraint-
2183 definition macros to their own section, clearly mark as obsolete.
2185 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
2186 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
2188 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
2189 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
2190 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
2192 (splits and peepholes): Use satisfies_constraint_*.
2193 * config/i386/i386.c (memory_address_length)
2194 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
2196 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
2198 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
2199 scalar operation to be put back into the loop.
2201 2006-02-27 Jakub Jelinek <jakub@redhat.com>
2204 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
2205 (extract_cie_info): Handle S flag in augmentation string.
2206 (execute_cfa_program): If context->signal_frame, execute also
2207 fs->pc == context->ra instructions.
2208 (uw_frame_state_for): If context->signal_frame, don't subtract one
2209 from context->ra to find FDE.
2210 (uw_update_context_1): Set context->signal_frame to
2212 (_Unwind_GetIPInfo): New function.
2213 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
2214 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
2216 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
2217 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
2218 * unwind-compat.c (_Unwind_GetIPInfo): New function.
2219 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
2220 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
2221 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
2222 * config/i386/linux-unwind.h (x86_fallback_frame_state,
2223 x86_64_fallback_frame_state): Set fs->signal_frame.
2224 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
2225 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
2226 (frob_update_context): Likewise. Workaround missing S flag in
2227 Linux 2.6.12 - 2.6.16 kernel vDSOs.
2228 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
2229 Remove the psw_addr + 1 hack.
2231 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
2233 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
2234 with aggregates here.
2235 (find_func_aliases): Remove code for &<aggregate> from here.
2237 2006-02-26 Roger Sayle <roger@eyesopen.com>
2239 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
2240 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
2241 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
2244 2006-02-26 Roger Sayle <roger@eyesopen.com>
2247 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
2249 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
2251 * opts.c (decode_options): Do not handle flag_strength_reduce.
2252 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
2253 and OPT_fstrength_reduce.
2254 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
2255 flag_prefetch_loop_arrays for being nonzero.
2256 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
2258 (fprefetch-loop-arrays-rtl): Removed.
2259 (flag_prefetch_loop_arrays): Do not specify the value.
2261 * doc/passes.texi: Update documentation of loop optimizer
2263 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
2264 -frerun-loop-opt): Remove.
2266 2006-02-26 Richard Guenther <rguenther@suse.de>
2268 PR tree-optimization/26421
2269 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
2270 in function calls that are ADDR_EXPRs as using the whole structure.
2272 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
2274 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
2275 * tree-pass.h (pass_loop_optimize): Remove.
2276 * passes.c (pass_loop_optimize): Never run it.
2277 * toplev.c (backend_init): Don't call init_loop.
2278 * opts.c (flag_loop_optimize_set): Remove.
2279 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
2280 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
2281 the old RTL loop optimizer when profiling enabled.
2282 * predict.c (tree_estimate_probability): Always strip builtin_expect.
2283 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
2284 pre-headers for the sake of the old RTL loop optimizer.
2285 * Makefile.in: Remove all references to loop.o.
2287 * doc/invoke.texi: Remove all references to -floop-optimize
2288 and -frerun-loop-opt.
2290 2006-02-26 Zack Weinberg <zackw@panix.com>
2292 * doc/md.texi (Machine Constraints): Refer to all files with paths
2293 relative to gcc directory (i.e. config/CPU/file). Add missing
2294 @table @code ... @end table to M32C subsection.
2296 2006-02-26 Roger Sayle <roger@eyesopen.com>
2298 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
2300 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
2302 2006-02-26 Roger Sayle <roger@eyesopen.com>
2303 James A. Morrison <phython@gcc.gnu.org>
2306 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
2307 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
2308 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
2309 signedness of the shift operation.
2311 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
2313 PR tree-optimization/26359
2314 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
2316 2006-02-25 Roger Sayle <roger@eyesopen.com>
2318 * simplify-rtx.c (simplify_relational_operation_1): Simplify
2319 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
2320 as X == 0, and some symmetry related transformations.
2321 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
2323 2006-02-25 Roger Sayle <roger@eyesopen.com>
2326 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
2327 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
2328 symmetry related transformations. Fold (X^C1) == C2 as
2331 2006-02-25 Juergen Weigert <jw@suse.de>
2332 Richard Guenther <rguenther@suse.de>
2334 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
2336 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
2338 * combine.c (gen_lowpart_or_truncate): Call
2339 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
2341 2006-02-24 Diego Novillo <dnovillo@redhat.com>
2343 * doc/invoke.texi: Move -fopenmp description to "Options for
2345 Remove reference to -lgomp.
2347 2006-02-24 David Edelsohn <edelsohn@gnu.org>
2349 * doc/install.texi: Require GNU tar version 1.14.
2351 2006-02-24 Geoffrey Keating <geoffk@apple.com>
2353 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
2354 * doc/invoke.texi (C++ Dialect Options): Document
2355 -fno-use-cxa-get-exception-ptr.
2356 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
2357 * configure: Regenerate.
2358 * c.opt (fuse-cxa-get-exception-ptr): New.
2359 * c-opts.c (c_common_handle_option): Handle
2360 OPT_fuse_cxa_get_exception_ptr.
2361 * c-common.c (flag_use_cxa_atexit): Update documentation.
2362 (flag_use_cxa_get_exception_ptr): New.
2363 * c-common.h (flag_use_cxa_get_exception_ptr): New.
2364 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
2366 (C_COMMON_OVERRIDE_OPTIONS): New.
2368 2006-02-24 Roger Sayle <roger@eyesopen.com>
2371 * combine.c (try_combine): Explicitly check whether GET_CODE is
2372 a SET or a CLOBBER, instead on checking that it isn't a USE.
2374 2006-02-24 Roger Sayle <roger@eyesopen.com>
2376 * fold-const.c (fold_comparison): New subroutine of fold_binary
2377 containing transformations common to both the equality and
2378 ordering relational operators, factored out of fold_binary.
2379 (fold_binary): Separate out the equality operators (EQ_EXPR
2380 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
2381 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
2382 transformations common to both.
2383 (fold_div_compare): Fix latent bugs in the previously unreachable
2384 LT_EXPR and GE_EXPR cases.
2386 2006-02-24 David Edelsohn <edelsohn@gnu.org>
2388 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
2389 decl libname for clog to __clog on AIX.
2391 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
2393 2006-02-24 Alan Modra <amodra@bigpond.net.au>
2396 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
2397 output traceback table for thunks. Localise rs6000_stack_info call.
2399 2006-02-23 Roger Sayle <roger@eyesopen.com>
2400 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2402 * gthr-posix.h (__gthrw): Fix typo in comment.
2404 2006-02-23 Geoffrey Keating <geoffk@apple.com>
2406 * doc/cpp.texi (Character sets): Document that we do support
2407 input files to be in any character set.
2409 2006-02-23 Jeff Law <law@redhat.com>
2411 * tree.h (PHI_ARG_NONZERO): Remove.
2412 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
2413 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
2414 node to the new node.
2416 PR tree-optimization/26425
2417 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
2418 min/max, then assume its varying.
2420 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
2422 PR rtl-optimization/26316
2423 * rtlanal.c (enum may_trap_p_flags): New.
2424 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
2425 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
2426 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
2427 (may_trap_after_code_motion_p): New function.
2428 * loop-invariant.c (find_identical_invariants): Fix dump formating.
2429 (find_invariant_insn): Use may_trap_after_code_motion_p.
2430 * rtl.h (may_trap_after_code_motion_p): Declare.
2432 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
2434 * emit-rtl.c (immed_double_const): Cleanup.
2436 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
2438 Fix PR tree-optimization/26376
2439 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
2442 2006-02-23 Jakub Jelinek <jakub@redhat.com>
2445 * gimplify.c (omp_add_variable): Guard variable size decl test with
2446 DECL_SIZE (decl) check.
2448 2006-02-23 Richard Guenther <rguenther@suse.de>
2451 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
2452 like aggregate types.
2454 2006-02-23 Jakub Jelinek <jakub@redhat.com>
2456 * configure.ac: Add --with{,out}-long-double-128 configure option.
2457 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
2458 * configure: Rebuilt.
2459 * config.in: Rebuilt.
2460 * doc/install.texi (Options specification): Document
2461 --with-long-double-128.
2463 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
2464 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
2465 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
2466 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
2468 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
2470 * config/s390/s390.c (override_options): Handle
2471 TARGET_DEFAULT_LONG_DOUBLE_128.
2473 * config/alpha/alpha.c (override_options): Handle
2474 TARGET_DEFAULT_LONG_DOUBLE_128.
2476 * config/sparc/sparc.c (sparc_override_options): Handle
2477 TARGET_DEFAULT_LONG_DOUBLE_128.
2479 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
2481 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
2482 (real-install-headers-tar, real-install-headers-cpio)
2483 (real-install-headers-cp): New targets.
2485 2006-02-22 Richard Sandiford <richard@codesourcery.com>
2487 * tree.h (variable_section): Delete.
2488 * varasm.c (variable_section): Delete.
2490 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
2492 * install.texi: Add notes on install.texi2html.
2493 (Building in parallel): Do not use footnotes.
2495 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
2498 * doc/install.texi (Configuration): Document --disable-libgomp.
2500 2006-02-21 Geoffrey Keating <geoffk@apple.com>
2502 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
2504 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
2506 * config/i386/sse.md (vec_extractv2df_1_sse): New.
2507 (vec_extractv2df_0_sse): New.
2509 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
2511 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
2512 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
2513 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
2514 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
2515 to the result of the expression.
2516 (def_cfa_1): Adjust.
2517 (frame_pointer_cfa_offset): Rename to...
2518 (frame_pointer_fb_offset): ... this. Adjust all uses.
2519 (convert_cfa_to_loc_list): Rename to...
2520 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
2521 Pass it on to build_cfa_loc.
2522 (compute_frame_pointer_to_cfa_displacement): Rename to...
2523 (compute_frame_pointer_to_fb_displacement): ... this. New
2524 offset parameter. Use it in computation.
2525 (gen_subprogram_die): Compute cfa_fb_offset with the new
2526 macro, and use it to compute the fb loc list and the
2529 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
2531 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
2532 replaced with register_operand.
2533 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
2534 non-DREG is expensive.
2535 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
2536 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
2539 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
2541 * doc/install.texi2html: Use set -e.
2543 2006-02-21 Richard Sandiford <richard@codesourcery.com>
2545 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
2546 (ASM_OUTPUT_SHARED_LOCAL): Delete.
2547 * doc/invoke.texi (-fshared-data): Delete.
2548 * common.opt (fshared-data): Delete.
2549 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
2550 (assemble_static_space): Remove #if 0 code.
2551 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
2552 (ASM_OUTPUT_SHARED_LOCAL): Poison.
2553 * config/cris/cris.h: Remove FIXME.
2555 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
2557 * doc/sourcebuild.texi (Front End Directory): No more double-colon
2560 2006-02-21 Jakub Jelinek <jakub@redhat.com>
2563 * combine.c (simplify_shift_const_1): Disable nested shifts
2564 optimization for vector shifts.
2566 2006-02-20 Roger Sayle <roger@eyesopen.com>
2568 PR tree-optimization/26361
2569 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
2570 of unsigned integer types.
2572 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
2574 * tree-chrec.c (eq_evolutions_p): New.
2575 * tree-chrec.h (eq_evolutions_p): Declared.
2576 * tree-data-ref.c: Fix formatting.
2577 (datadep_stats, dependence_stats): New.
2579 (print_direction_vector): New.
2580 (dump_data_dependence_relation): Use print_direction_vector.
2581 (object_analysis, create_data_ref): Handle COMPONENT_REF.
2582 (compute_subscript_distance): Static.
2583 (initialize_data_dependence_relation): Static. Get the number
2584 of loops surrounding the references from the callers, and initialize
2585 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
2586 base_object_differ_p analyzers.
2587 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
2588 compute_overlap_steps_for_affine_1_2,
2589 analyze_subscript_affine_affine): Count the classified dependences.
2590 Print a message when a test failed.
2591 (can_use_analyze_subscript_affine_affine): New.
2592 (analyze_siv_subscript): Compute the data dependences on symbolic
2593 scevs that verify can_use_analyze_subscript_affine_affine.
2594 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
2595 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
2596 Handle symbolic scevs.
2597 (analyze_overlapping_iterations): Let symbolic affine scevs to be
2599 (subscript_dependence_tester): Moved...
2600 (build_classic_dist_vector, build_classic_dir_vector): Don't use
2601 lambda_vector_clear on newly allocated vectors. Get nb_loops from
2602 DDR_SIZE_VECT instead of getting it in parameter.
2603 (subscript_dependence_tester): ... here. Take as a parameter
2604 loop_nest_depth. Call build_classic_dist_vector and
2605 build_classic_dir_vector.
2606 (compute_affine_dependence): Update subscript_dependence_tester
2607 parameters. Update datadep_stats counters. Call
2608 compute_subscript_distance.
2609 (compute_self_dependence): Save the dist and dir vectors. Call
2610 compute_subscript_distance.
2611 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
2612 (compute_all_dependences): Reorder parameters as they were before
2613 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
2614 compute_subscript_distance. Update the use of
2615 compute_affine_dependence and initialize_data_dependence_relation.
2616 (find_data_references_in_loop): Handle COMPONENT_REF.
2617 (compute_data_dependences_for_loop): Initialize dependence_stats.
2618 Don't call build_classic_dist_vector and build_classic_dir_vector.
2619 Update the parameters of initialize_data_dependence_relation and
2620 compute_all_dependences. Print the statistics from datadep_stats.
2621 (analyze_all_data_dependences): Static. Not used until the pass for
2622 checking the data dependences is contributed.
2623 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
2624 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
2625 (initialize_data_dependence_relation, compute_affine_dependence,
2626 analyze_all_data_dependences, compute_subscript_distance): Removed.
2627 (print_direction_vector): New.
2628 * lambda.h (gcd): ... here.
2629 (lambda_vector_gcd): Moved here from gcd_vector.
2630 * lambda-code.c (gcd, gcd_vector): Removed.
2631 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
2632 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
2634 2006-02-20 Diego Novillo <dnovillo@redhat.com>
2636 * ipa-type-escape.c: Tidy some comments and white space.
2637 * tree-ssa-operands.c: Likewise.
2639 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
2642 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
2643 (dump_decl_name): Do not walk the decl tree chains.
2644 * tree-pass.h (TDF_CHAIN): Remove.
2646 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
2648 * Makefile.in (C): Remove
2650 (.PHONY): Remove C and PROTO
2652 2006-02-20 Roger Sayle <roger@eyesopen.com>
2655 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
2656 deprecated CHAR_TYPE tree code.
2658 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
2660 * configure.ac (target_list): Add install-info, dvi, html.
2661 * configure: Regenerate.
2663 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
2664 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
2665 treelang/Make-lang.in: Do not use double-colon rules.
2667 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
2669 * tree.h (struct tree_memory_tag): Add is_used_alone member.
2670 (TMT_USED_ALONE): New macro.
2671 * tree-pass.h (PROP_tmt_usage): New property.
2672 (TODO_update_tmt_usage): New todo.
2673 * tree-ssa-alias.c (updating_used_alone): New variable.
2674 (recalculate_used_alone): New function.
2675 (compute_may_aliases): Set updating_used_alone, call
2676 recalculate_used_alone.
2677 * tree-sra.c (pass_sra): Note that this pass destroys
2678 PROP_tmt_usage, and add TODO_update_tmt_usage.
2679 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
2680 * tree-flow.h (updating_used_alone): Prototype.
2681 (recalculate_used_alone): Ditto.
2682 * passes.c (execute_todo): Add code to set updating_used_alone,
2683 and call recalculate.
2684 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
2685 for clobber if used alone, and add assert to verify used_alone
2688 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
2690 * config/s390/s390.c (legitimize_pic_address): Assertions checking
2691 for non tls symbols added.
2692 (legitimize_address): Do nothing for PLUS expressions if one of the
2693 addends is a tls symbol reference.
2695 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
2699 * Makefile.in (LDFLAGS): Define from autoconf substitution.
2701 * Makefile.in (BOOTSTRAPPING): New.
2702 (quickstrap): New definition if BOOTSTRAPPING=yes.
2704 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
2705 * configure.ac: Substitute all_selected_languages with the languages
2706 that were configured. For all the other variables except
2707 lang_specs_files, include all the languages in the tree.
2708 * configure: Regenerate.
2710 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
2711 if there is one. Run the commands to run fixincludes in the same
2714 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
2715 * doc/install.texi: Document exact conventions for searching target tools.
2716 Document --with-build-time-tools. Document toplevel bootstrap. Document
2717 something more about building an Ada cross-compiler. Don't list GNU Make
2718 requirements which affect all platforms.
2720 2006-02-19 Roger Sayle <roger@eyesopen.com>
2723 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
2724 only equivalent if the have both the same mode and precision.
2726 2006-02-20 Ben Elliston <bje@au.ibm.com>
2728 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
2730 2006-02-19 Roger Sayle <roger@eyesopen.com>
2731 Steven Bosscher <stevenb.gcc@gmail.com>
2733 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
2734 constant pool references to identify stack mode constants.
2735 * rtlanal.c (constant_pool_constant_p): New predicate to check
2736 whether operand is a floating point constant in the pool.
2737 * rtl.h (constant_pool_constant_p): Prototype here.
2738 * loop.c (scan_loop): Avoid hoisting constants from the constant
2739 pool on STACK_REGS targets.
2740 (load_mems): Likewise.
2741 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
2742 loads into x87 registers expensive in terms of register pressure.
2744 2006-02-19 Roger Sayle <roger@eyesopen.com>
2746 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
2747 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
2749 2006-02-19 David Edelsohn <edelsohn@gnu.org>
2751 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
2752 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
2754 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
2756 * doc/invoke.texi: Document -fipa-pta.
2757 * common.opt: Add ipa-pta option.
2758 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
2759 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
2760 (do_ds_constraint): Ditto.
2761 (get_constraint_for): Only add to referenced_vars if
2762 referenced_vars exists.
2763 (insert_into_field_list): Rewrite to do this unsorted.
2764 (insert_into_field_list_sorted): Rename old insert_into_field_list
2766 (create_function_info_for): Use insert_into_field_list_sorted.
2767 (create_variable_info_for): Rewrite so it uses unsorted version,
2768 since the field list is sorted.
2769 (intra_create_variable_infos): Only add to referenced_vars if
2770 referenced_vars exists.
2771 (ipa_pta_execute): Init heapvars, and delete when done.
2772 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
2774 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2776 * doc/install.texi: Add missing `@samp'.
2778 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
2780 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
2783 2006-02-18 Mark Wielaard <mark@klomp.org>
2785 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
2786 who added new 4.1 features, bug fixes and integration support.
2788 2006-02-18 David Edelsohn <edelsohn@gnu.org>
2791 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
2794 2006-02-18 Richard Sandiford <richard@codesourcery.com>
2796 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
2797 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
2798 (copy_insn_1): Likewise. Don't copy each field individually.
2800 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
2802 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
2803 * rtl.c (rtx_size): Rename variable to...
2804 (rtx_code_size): ...this.
2805 (rtx_size): New function.
2806 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
2807 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
2809 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
2810 * rtl.h (rtx_code_size): New variable.
2811 (rtx_size): Change from a variable to a function.
2812 (RTX_SIZE): Rename to...
2813 (RTX_CODE_SIZE): ...this.
2816 PR tree-optimization/17106
2817 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
2818 (Anchored Addresses): New section.
2819 * doc/invoke.texi (-fsection-anchors): Document.
2820 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
2821 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
2822 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
2823 * hooks.c (hook_bool_mode_rtx_false): New function.
2824 * hooks.h (hook_bool_mode_rtx_false): Declare.
2825 * gengtype.c (create_optional_field): New function.
2826 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
2827 SYMBOL_REF_IN_BLOCK_P is true.
2828 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
2829 (min_anchor_offset, max_anchor_offset): Likewise.
2830 (use_anchors_for_symbol_p): New hook.
2831 * toplev.c (compile_file): Call output_object_blocks.
2832 (target_supports_section_anchors_p): New function.
2833 (process_options): Check that -fsection-anchors is only used on
2834 targets that support it and when -funit-at-a-time is in effect.
2835 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
2836 if the decl doesn't have one.
2837 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
2838 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
2839 of force_const_mem through use_anchored_address.
2840 (expand_expr_constant): New function.
2841 (expand_expr_addr_expr_1): Call it. Use the same modifier when
2842 calling expand_expr for INDIRECT_REF.
2843 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
2844 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
2845 * expr.h (use_anchored_address): Declare.
2846 * loop-unroll.c: Don't declare rtx vectors here.
2847 * explow.c: Include output.h.
2848 (validize_mem): Call use_anchored_address.
2849 (use_anchored_address): New function.
2850 * common.opt (-fsection-anchors): New switch.
2851 * varasm.c (object_block_htab, anchor_labelno): New variables.
2852 (hash_section, object_block_entry_eq, object_block_entry_hash)
2853 (use_object_blocks_p, get_block_for_section, create_block_symbol)
2854 (use_blocks_for_decl_p, change_symbol_section): New functions.
2855 (get_variable_section): New function, split out from assemble_variable.
2856 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
2857 use_blocks_for_decl_p say so. Use change_symbol_section if the
2858 symbol has already been created.
2859 (assemble_variable_contents): New function, split out from...
2860 (assemble_variable): ...here. Don't output any code for
2861 block symbols; just pass them to place_block_symbol.
2862 Use get_variable_section and assemble_variable_contents.
2863 (get_constant_alignment, get_constant_section, get_constant_size): New
2864 functions, split from output_constant_def_contents.
2865 (build_constant_desc): Create a block symbol if use_object_blocks_p
2866 says so. Or into SYMBOL_REF_FLAGS.
2867 (assemble_constant_contents): New function, split from...
2868 (output_constant_def_contents): ...here. Don't output any code
2869 for block symbols; just pass them to place_section_symbol.
2870 Use get_constant_section and get_constant_alignment.
2871 (force_const_mem): Create a block symbol if use_object_blocks_p and
2872 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
2873 (output_constant_pool_1): Add an explicit alignment argument.
2874 Don't switch sections here.
2875 (output_constant_pool): Adjust call to output_constant_pool_1.
2876 Switch sections here instead. Don't output anything for block symbols;
2877 just pass them to place_block_symbol.
2878 (init_varasm_once): Initialize object_block_htab.
2879 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
2880 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
2881 (place_block_symbol, get_section_anchor, output_object_block)
2882 (output_object_block_htab, output_object_blocks): New functions.
2883 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
2884 (TARGET_ASM_OUT): Include it.
2885 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
2886 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
2887 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
2888 (TARGET_INITIALIZER): Include them.
2889 * rtl.c (rtl_check_failed_block_symbol): New function.
2890 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
2891 (block_symbol, object_block): New structures.
2892 (rtx_def): Add a block_symbol field to the union.
2893 (BLOCK_SYMBOL_CHECK): New macro.
2894 (rtl_check_failed_block_symbol): Declare.
2895 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
2896 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
2897 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
2898 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
2899 * output.h (output_section_symbols): Declare.
2900 (object_block): Name structure.
2901 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
2902 (default_use_anchors_for_symbol_p): Declare.
2903 * Makefile.in (RTL_BASE_H): Add vec.h.
2904 (explow.o): Depend on output.h.
2905 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
2906 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
2907 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
2908 (rs6000_use_blocks_for_constant_p): New function.
2910 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2912 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
2914 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
2917 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
2920 2006-02-18 Diego Novillo <dnovillo@redhat.com>
2922 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
2926 2006-02-18 Jakub Jelinek <jakub@redhat.com>
2929 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
2930 instead of DECL_REGISTER.
2932 2006-02-18 Olivier Hainque <hainque@adacore.com>
2935 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
2937 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
2940 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
2941 * opth-gen.awk: Handle Var and InverseMask together.
2942 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
2943 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
2944 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
2945 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
2947 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
2948 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
2949 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
2950 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
2951 LINUX_DYNAMIC_LINKER): Define.
2952 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
2953 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
2955 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2956 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
2957 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2958 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2959 (TARGET_C99_FUNCTIONS): Don't define.
2960 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
2961 GLIBC_DYNAMIC_LINKER.
2962 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
2963 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
2964 GLIBC_DYNAMIC_LINKER64): Define.
2965 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
2966 LINUX_DYNAMIC_LINKER64.
2967 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2968 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2969 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
2970 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2971 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2972 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2973 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
2974 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
2975 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
2976 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
2977 and LINUX_DYNAMIC_LINKER32.
2978 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2979 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2980 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
2981 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2982 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
2984 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
2985 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
2986 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
2987 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
2988 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
2989 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
2990 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
2991 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
2992 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
2993 LINUX_DYNAMIC_LINKER): Define.
2994 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
2995 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
2996 GLIBC_DYNAMIC_LINKER64): Define.
2997 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
2998 LINUX_DYNAMIC_LINKER64.
2999 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3000 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3001 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
3002 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3003 LINUX_DYNAMIC_LINKER): Define.
3004 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3005 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
3006 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
3007 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
3008 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
3009 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3010 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
3011 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
3012 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
3013 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3014 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3015 * doc/invoke.texi (-muclibc): Remove caveat about supported
3018 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
3020 * doc/cpp.texi (__TIMESTAMP__): Document.
3022 2006-02-17 Roger Sayle <roger@eyesopen.com>
3025 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
3026 C is one less than the width of X (and related transformations).
3027 * simplify-rtx.c (simplify_unary_operation_1): Transform
3028 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
3029 depending on STORE_FLAG_VALUE, were C is one less then the
3032 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
3034 Fix PR tree-optimization/26341
3035 * tree-ssa-operands.c (add_virtual_operand): Remove assert
3036 about NAME_MEMORY_TAG's.
3038 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3041 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
3042 with hardware float support, and software float support. Add fcpy
3043 alternative to hardware patterns. Add alternatives to copy between
3044 general and floating-point registers to the 32-bit pattern.
3045 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
3046 secondary reload to load a QI or HI mode constant into a floating
3048 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
3049 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
3051 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
3054 * config/rs6000/darwin.md (load_macho_picbase_si): Add
3056 (load_macho_picbase_di): Likewise.
3058 2006-02-16 Jeff Law <law@redhat.com>
3060 * tree-vrp.c (set_value_range_to_nonnegative): New function.
3061 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
3062 (ssa_name_nonzero_p): Likewise.
3063 (get_value_range): Return NULL if VRP is not running.
3064 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
3065 VRP routines do not discover a range.
3066 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
3067 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
3068 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
3069 (tree_expr_nonnegative_p): Similarly.
3070 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
3071 (restore_nonzero_vars_to_original_value): Remove.
3072 (unsafe_associative_fp_binop): Remove.
3073 (tree_ssa_dominator_optimize): Remove initialization and
3074 finalization of nonzero_vars and nonzero_vars_stack.
3075 (dom_opt_initialize_block): No longer push marker on
3077 (dom_opt_finalize_block): No longer call
3078 restore_nonzero_vars_to_original_value.
3079 (record_equivalences_from_phis): No longer look for
3080 nonzero PHI arguments.
3081 (cprop_into_successor_phis): No longer propagate nonzero
3082 property into PHI arguments. Lose unused argument. Caller
3084 (record_equivalences_from_stmt): No longer record nonzero
3085 values for SSA_NAMEs.
3086 (lookup_avail_expr): No longer use nonzero_vars.
3088 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
3089 for sizetype when sizetype is unsigned.
3091 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
3093 PR rtl-optimization/25603
3094 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
3095 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
3096 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
3097 with new meaning of SETS.
3099 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
3104 * config/linux.opt: New file.
3105 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
3106 LINUX_DYNAMIC_LINKER): Define.
3107 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
3108 * config.gcc (*-*-linux*): Define extra_options.
3109 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
3110 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
3111 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
3112 GLIBC_DYNAMIC_LINKER.
3113 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
3114 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3115 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3116 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3117 * doc/invoke.texi (GNU/Linux Options): New section.
3119 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3121 * config/sparc/sparc.md (setjmp): Rewrite.
3122 (setjmp_32): Delete.
3123 (setjmp_64): Likewise.
3125 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
3127 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
3130 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
3132 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
3135 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
3137 PR rtl-optimization/26296
3138 * Makefile.in (loop-invariant.c): Add except.h dependency.
3139 * loop-invariant.c: Include except.h.
3140 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
3142 2005-02-16 Paul Brook <paul@codesourcery.com>
3144 * reload1.c (emit_reload_insns): Invalidate dead input registers used
3147 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
3149 PR rtl-optimization/25636
3150 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
3151 when deciding whether an insn is an initializing insn.
3153 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
3155 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
3156 (tree_code_size): Ditto.
3157 * tree.h (struct tree_memory_tag): Remove parent_var.
3158 (struct tree_struct_field_tag): New.
3161 (union tree_node): Add sft member.
3162 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
3164 (create_sft): Add size and offset argument, set SFT_OFFSET and
3166 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
3167 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
3168 * tree-flow-inline.h (get_subvar_at): Update for
3169 SFT_OFFSET/SFT_SIZE.
3170 (var_can_have_subvars): Ditto.
3171 (overlap_subvar): Ditto.
3172 * print-tree.c (print_node): Print out interesting things for
3174 * tree-flow.h (struct subvar): Remove offset and size members.
3175 * tree-ssa-operands.c (get_expr_operands): Update for
3176 get_indirect_ref_operands changes.
3177 (get_indirect_ref_operands): Call add_virtual_operand instead of
3178 add_stmt_operand. Only recurse on base var if requested.
3179 (access_can_touch_variable): New function.
3180 (add_stmt_operand): Split virtual operand handling into ...
3181 (add_virtual_operand): Here. Add offset, size, and for_clobber
3182 arguments. Prune alias sets.
3183 (add_call_clobber_ops): Call add_virtual_operand.
3185 2006-02-15 Jakub Jelinek <jakub@redhat.com>
3188 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
3190 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
3191 than TREE_CODE as index into omp_clause_num_ops array.
3193 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
3195 PR rtl-optimization/26184
3196 * modulo-sched.c (generate_reg_moves): Free bitmap vector
3198 * modulo-sched.c (sms_schedule): Free g_arr pointer.
3199 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
3200 must_precede, must_follow and tobe_scheduled.
3203 * opts.c (common_handle_option): Free new_option pointer.
3204 * df-core.c (df_analyze): Free postorder pointer.
3206 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
3208 * Makefile.in: Fix the examples about the use of stamps
3210 2006-02-15 Michael Matz <matz@suse.de>
3214 * stor-layout.c (layout_decl): Zero-width bitfields aren't
3215 influenced by maximum_field_alignment or DECL_PACKED.
3216 (update_alignment_for_field): Ditto.
3217 (place_field): Ditto.
3218 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
3221 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
3223 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
3224 (debug_flow_info): Pass it.
3225 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
3226 * bb-reorder.c (reorder_basic_blocks): Likewise.
3227 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
3228 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
3229 * flow.c (life_analysis, recompute_reg_usage): Likewise.
3230 * gcse.c (gcse_main, bypass_jumps): Likewise.
3231 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
3232 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
3233 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
3234 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
3235 * rtl.h (dump_flow_info): Adjust prototype.
3236 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
3237 * var-tracking.c (variable_tracking_main): Likewise.
3238 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
3239 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
3242 2006-02-15 Marcin Dalecki <martin@dalecki.de>
3244 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
3247 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
3249 PR tree-optimization/26209
3250 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
3251 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
3253 * tree-cfg.c (replace_uses_by): Do not alter cfg.
3255 2006-02-14 Roger Sayle <roger@eyesopen.com>
3258 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
3259 (X,Y) and the corresponding symmetry related transformations.
3260 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
3261 (X,Y) and its symmetry related transformations.
3263 2006-02-14 Roger Sayle <roger@eyesopen.com>
3265 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
3268 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
3270 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
3272 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3275 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
3276 support COMDAT group.
3277 * configure: Regenerate.
3279 2006-02-14 Roger Sayle <roger@eyesopen.com>
3284 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
3286 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
3288 Fix PR tree-optimization/26260
3290 * doc/invoke.texi (max-fields-for-field-sensitive): Document
3292 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
3293 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
3294 * tree-ssa-structalias.c (create_variable_info_for): Use
3295 MAX_FIELDS_FOR_FIELD_SENSITIVE.
3297 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
3299 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
3301 * tree-ssa-loop-niter.c (number_of_iterations_ne,
3302 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
3303 of the ending condition.
3304 * tree-ssa-loop-manip.c: Include params.h.
3305 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
3306 tree_unroll_loop): New functions.
3307 * tree-pass.h (pass_loop_prefetch): Declare.
3308 * loop.c (rest_of_handle_loop_optimize): Test for
3309 -fprefetch-loop-arrays-rtl.
3310 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
3311 * timevar.def (TV_TREE_PREFETCH): New timevar.
3312 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
3313 pass_loop_prefetch): New.
3314 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
3315 (cleanup_tree_cfg_loop): Call scev_reset.
3316 * common.opt (fprefetch-loop-arrays-rtl): Add.
3317 * tree-ssa-loop-prefetch.c: New file.
3318 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
3319 (new_temp_expr_table): Initialize expr_vars.
3320 (free_temp_expr_table): Cleanup expr_vars.
3321 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
3322 expressions from being merged into one.
3323 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
3324 (struct tree_niter_desc): Add control, bound and cmp fields.
3325 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
3327 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
3328 (tree-cfgcleanup.o): Add SCEV_H dependency.
3329 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
3330 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
3332 2006-02-14 Richard Guenther <rguenther@suse.de>
3334 PR tree-optimization/26258
3335 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
3336 in PHI argument processing.
3338 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
3340 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
3341 new expression in the requested machine mode.
3343 2006-02-13 Roger Sayle <roger@eyesopen.com>
3345 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
3346 directly, instead let do_compare_rtx_and_jump handle this for us.
3347 * expr.c (expand_expr_real_1): Likewise.
3348 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
3349 before do_jump_by_parts_greater.
3350 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
3351 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
3353 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3355 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
3357 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
3359 PR rtl-optimization/26235
3360 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
3361 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
3364 2006-02-13 Jeff Law <law@redhat.com>
3366 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
3369 2006-02-13 Jakub Jelinek <jakub@redhat.com>
3372 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
3373 twice if decl is a builtin. When trying again, call get_callee_fndecl
3374 first to verify it is still a builtin.
3376 2006-02-13 Geoffrey Keating <geoffk@apple.com>
3378 * dwarf2out.c (base_type_die): Don't add AT_name here.
3379 (subrange_type_die): Don't add AT_name here.
3380 (modified_type_die): Rearrange code flow. Do add AT_name here.
3382 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
3384 PR rtl-optimization/26247
3385 PR rtl-optimization/26248
3386 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
3388 2006-02-13 Richard Sandiford <richard@codesourcery.com>
3390 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
3391 * config/fixtfdi.c: Likewise.
3392 * config/fixunstfdi.c: Likewise.
3393 * config/floatditf.c: Likewise.
3395 2006-02-13 Roger Sayle <roger@eyesopen.com>
3398 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
3399 into (X,C2) if C1 is a subset of the bits of C2. Transform
3400 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
3402 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
3404 2006-02-13 Josh Conner <jconner@apple.com>
3407 * varasm.c (function_section): Check for section name before
3408 calling select_section on targets that define
3409 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
3410 unlikely_text_section instead of hot_function_section if
3411 first_function_block_is_cold.
3413 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
3416 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
3418 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
3420 PR rtl-optimization/26222
3421 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
3422 after tree->rtl expansion.
3423 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
3424 before passing it to emit_move_insn.
3426 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
3428 * doc/invoke.texi (-Write-strings): Document that it is enabled by
3430 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
3431 Clarify documentation.
3432 * c-common.h (warn_write_strings): Remove.
3433 * c-common.c (warn_write_strings): Likewise.
3434 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
3437 2006-02-12 Roger Sayle <roger@eyesopen.com>
3440 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
3441 (do_jump_parts_zero_rtx): New function renamed from
3442 do_jump_parts_equality_rtx. Made static. Add a mode argument.
3443 (do_jump_parts_equality_rtx): New function split out from
3444 do_jump_parts_equality. Old implementation renamed as above.
3445 Call do_jump_parts_zero_rtx if either operand is zero.
3446 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
3447 do all of the heavy lifting.
3448 (do_compare_rtx_and_jump): Handle multi-word comparisons by
3449 calling either do_jump_by_parts_greater_rtx or
3450 do_jump_by_parts_equality_rtx.
3451 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
3452 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
3453 moved to do_compare_rtx_and_jump, call it directly.
3454 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
3455 mode argument. Call do_compare_rtx_and_jump.
3456 (emit_case_nodes): Update calls to do_jump_if_equal.
3458 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
3460 PR rtl-optimization/26225
3461 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
3463 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
3465 PR rtl-optimization/26232
3466 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
3468 2006-02-11 Jason Merrill <jason@redhat.com>
3471 * tree-inline.c (declare_return_variable): Just don't use the
3472 modify target if it's a gimple complex reg and the return slot
3475 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3477 * doc/contrib.texi: Update my entry.
3479 2006-02-10 Geoffrey Keating <geoffk@apple.com>
3481 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
3483 2006-02-10 Diego Novillo <dnovillo@redhat.com>
3485 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
3488 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
3490 * doc/invoke.texi (-floop-optimize2): Removed.
3491 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
3492 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
3493 Test flag_branch_on_count_reg only if HAVE_doloop_end.
3494 * common.opt (floop-optimize2): Removed.
3495 (fmove-loop-invariants): Enabled by default.
3497 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
3499 * tree-if-conv.c (combine_blocks): Free the result of
3500 get_loop_exit_edges.
3502 2006-02-10 Jeff Law <law@redhat.com>
3504 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
3506 PR tree-optimization/26213
3507 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
3508 loop trying to follow SSA_NAME_VALUE chains.
3510 2006-02-10 Richard Guenther <rguenther@suse.de>
3512 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
3513 deal with structures that end in implicitly variable sized arrays.
3515 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
3517 PR rtl-optimization/24762
3518 * df-scan.c (df_bb_refs_record): Record correct registers defined on
3521 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
3523 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
3524 (struct ivopts_data): Add regs_used field.
3525 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
3526 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
3527 instead of loop_data->regs_used;
3528 (free_loop_data): Do not free aux fields for loops.
3529 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
3530 and tree_ssa_iv_optimize_finalize.
3532 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
3534 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
3536 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
3539 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
3540 computing the effective result type.
3542 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
3545 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
3546 (tree_overlaps_hard_reg_set): Declare.
3547 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
3548 type and signature to match function type expected by walk_tree.
3549 (tree_overlaps_hard_reg_set): New function.
3550 (decl_conflicts_with_clobbers_p): Rename to:
3551 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
3552 Use tree_overlaps_hard_reg_set. Changed caller.
3553 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
3554 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
3555 * cris.c (cris_md_asm_clobbers): Likewise.
3557 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
3559 * reload1.c (emit_input_reload_insns): Delete code that tries to
3560 inherit using find_equiv_reg.
3562 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
3564 * c-common.h (flag_const_strings): Don't declare.
3565 * c-common.c (flag_const_strings): Remove.
3566 * c.opt (fconst_strings): Remove.
3567 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
3568 <OPT_Wwrite_strings>: Don't set flag_const_strings.
3569 (c_common_init_options): Don't set flag_const_strings.
3570 * doc/invoke.texi (-fno-const-strings): Remove documentation.
3572 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
3574 * arm.md (tlobits_cbranch): New pattern.
3575 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
3576 testing a single bit.
3578 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
3581 * tree-ssa-pre.c (create_component_ref_by_pieces):
3582 Handle RETURN_DECL like VAR_DECL.
3584 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
3587 * fold-const.c (fold_indirect_ref_1): Fold
3588 "*(foo *)&complexfoo" to "__real__ complexfoo"
3589 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
3591 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
3593 * tree-flow-inline.h (var_can_have_subvars):
3594 Volatile variables should not have subvariables.
3596 2006-02-09 Diego Novillo <dnovillo@redhat.com>
3599 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
3600 multiplying unsigned values.
3603 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
3605 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
3607 2006-02-08 Jason Merrill <jason@redhat.com>
3610 * tree.def: Elaborate on difference from MODIFY_EXPR.
3611 * doc/c-tree.texi (INIT_EXPR): Likewise.
3612 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
3613 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
3614 (gimplify_target_expr): Likewise.
3615 (gimplify_cond_expr): Remove target handling.
3616 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
3617 (gimplify_expr): Clobber it here.
3618 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
3619 Do return slot optimization if we have an INIT_EXPR.
3622 * tree-inline.c (declare_return_variable): Also clear
3623 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
3626 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
3629 * gimplify.c (gimplify_one_sizepos): Fix typo.
3631 2006-02-08 Jeff Law <law@redhat.com>
3633 PR tree-optimization/21417
3634 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
3635 across a backedge if the control statement at the end of the
3636 block is data dependent on other statements in the same block.
3637 (record_temporary_equivalences_from_stmts): Remove over-conservative
3638 test for threading across backedges.
3640 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
3641 control statement, handle all three special cases in the same
3642 manner as they all have the same desired solution. No longer
3643 special case edge flag updating when the post dominator is
3646 2006-02-08 Roger Sayle <roger@eyesopen.com>
3648 * tree.def (CHAR_TYPE): Remove.
3649 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
3650 * dwarf2out.c (base_type_die, is_base_type): Likewise.
3651 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
3652 (gen_string_type_die): Delete unreachable function.
3654 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
3655 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
3656 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
3657 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
3658 * builtins.c (type_to_class): Likewise.
3659 * fold-const.c (fold_convert, build_range_check,
3660 merge_ranges): Likewise.
3661 * expr.c (count_type_elements): Likewise.
3662 * c-pretty-print.c (pp_c_type_specifier): Likewise.
3663 * stor-layout.c (layout_type): Likewise.
3664 * ipa-type-escape.c (type_to_consider): Likewise.
3665 * gimplify.c (omp_firstprivatize_type_sizes,
3666 gimplify_type_sizes): Likewise.
3667 * explow.c (promote_mode): Likewise.
3668 * tree-sra.c (is_sra_scalar_type): Likewise.
3669 * varasm.c (output_constant): Likewise.
3670 * tree-inline.c (remap_type_1): Likewise.
3671 * convert.c (convert_to_pointer, convert_to_real,
3672 convert_to_integer, convert_to_complex): Likewise.
3674 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
3676 * df-scan.c (df_def_record_1): A set destination may
3677 be a parallel regardless of mode.
3679 2006-02-08 Roger Sayle <roger@eyesopen.com>
3682 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
3683 * config/mips/_tilib.c: Remove.
3684 * config/fixtfdi.c: New libgcc source file.
3685 * config/fixunstfdi.c: New source file.
3686 * config/floatditf.c: New source file.
3687 * config/floatunditf.c: New souce file.
3688 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
3689 files above instead of config/mips/_tilib.c.
3690 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
3692 2006-02-08 Jeff Law <law@redhat.com>
3694 PR tree-optimization/26169
3695 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
3698 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
3700 * df.h (DF_REG_SIZE): Return the length of the initialized
3703 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
3705 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
3706 __muldf3): Return a correctly signed zero.
3708 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
3710 * passes.c (register_one_dump_file): Accept the current properties
3711 instead of pass number. Adjust call to dump_register. Remove
3713 (register_dump_files): Now a wrapper around...
3714 (register_dump_files_1): ... this one. Do not modify the pass
3716 (next_pass_1): Cosmetic fix.
3717 (execute_todo): Keep second parameter only. Use curr_properties
3718 instead of fetching it from the pass structure. Check and set
3720 (execute_one_pass): Handle TODO_set_props. Use curr_properties
3721 instead of fetching it from the pass structure. Fix calls to
3722 execute_todo. Update curr_properties and initialize .vcg RTL dump
3723 after running the pass. Reset last_verified.
3724 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
3726 (FIRST_AUTO_NUMBERED_DUMP): New.
3727 (dump_register): Remove "num" parameter, assign it within the
3729 (get_dump_file_name): Modify template for dumps.
3730 * tree-dump.h (dump_register): Adjust prototype.
3731 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
3732 (PROP_trees): Add PROP_gimple_lomp.
3733 (TODO_set_props): New.
3734 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
3735 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
3736 * cfgexpand.c (pass_expand): Destroy PROP_trees.
3738 2006-02-08 Jakub Jelinek <jakub@redhat.com>
3740 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
3741 (sparc64-*-linux*): Likewise.
3742 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
3743 * config/sparc/t-linux: New file.
3744 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
3745 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
3746 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
3747 -m32 -mlong-double-128.
3749 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
3750 * config/alpha/t-linux: New file.
3751 * config/alpha/libgcc-alpha-ldbl.ver: New file.
3753 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
3754 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
3755 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
3756 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
3757 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
3758 (CPP_ARCH32_SPEC): Remove.
3760 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
3762 PR tree-optimization/26145
3763 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
3766 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3769 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
3770 >= 240000 when generating code for SOM runtime.
3771 (output_indirect_call): Don't use "b,l" instruction for indirect calls
3772 to $$dyncall when generating code for SOM runtime..
3774 2006-02-07 Dirk Mueller <dmueller@suse.com>
3777 * doc/invoke.texi (-Wsequence-point): Update documentation
3778 that -Wsequence-point is implemented for C++ as well.
3780 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
3782 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
3783 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
3784 (LIB_SPEC): Likewise.
3785 * doc/invoke.texi (SPARC options): Document -pthread.
3787 2006-02-07 Geoffrey Keating <geoffk@apple.com>
3789 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
3792 2006-02-07 Roger Sayle <roger@eyesopen.com>
3794 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
3795 Correct comment describing BOOLEAN_TYPE.
3797 2006-02-07 Dirk Mueller <dmueller@suse.com>
3799 * c.opt: C++ frontend supports -Wdiv-by-zero.
3800 * c-opts.c (c_common_handle_option): Remove dead case.
3802 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
3804 * configure.ac (TLS assembler check): Do not enable TLS by
3805 default on SPARC/Solaris before version 10.
3806 * configure: Regenerate.
3808 2006-02-07 David Edelsohn <edelsohn@gnu.org>
3810 * doc/invoke.texi (xl-compat): Document conversion and support
3813 2006-02-07 Jeff Law <law@redhat.com>
3815 * tree-vrp.c (find_conditional_asserts): Update comments.
3816 (simplify_stmt_for_jump_threading): New.
3817 (identify_jump_threads, finalize_jump_threads): New.
3818 (vrp_finalize): Call identify_jump_threads.
3819 (execute_vrp): Call finalize_jump_threads.
3820 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
3821 (vrp_element, vrp_data, vrp_element_p): Remove.
3822 (vrp_hash_elt, vrp_variables_stack): Remove.
3823 (vrp_hash, vrp_eq, record_range): Remove.
3824 (simplify_cond_and_lookup_avail_expr): Remove.
3825 (extract_range_from_cond): Remove.
3826 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
3827 (simplify_stmt_for_jump_threading): New.
3828 (dom_thread_across_edge): New wrapper.
3829 (tree_ssa_dominator_optimize): No longer initialize or
3830 finalize any of the VRP datastructures. Remove iteration
3831 step and simplify as a result of removal of iteration step.
3832 (pass_dominator): Perform a cfg cleanup after DOM.
3833 (dom_opt_finalize_block): Use the new common routines
3834 for threading jumps. Simplify stack management slightly.
3835 No longer need to unwind VRP state.
3836 (record_equivalences_from_incoming_edge): No longer record
3838 (eliminate_redundant_computations): No longer call
3839 simplify_cond_and_lookup_avail_expr.
3840 * tree-flow.h (potentially_threadable_block): Prototype.
3841 (thread_across_edge): Likewise.
3842 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
3843 (tree-ssa-threadedge.o): Add dependencies.
3844 * tree-ssa-threadedge.c: New file.
3845 * passes.c (init_optimization_passes): Merge PHIs before
3846 calling VRP. Run VRP again late in the SSA optimization pipeline.
3848 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
3850 * df-core.c (df_set_blocks): Do not dereference function pointers.
3851 (df_finish1): Likewise.
3852 (df_hybrid_search_forward): Likewise.
3853 (df_hybrid_search_backward): Likewise.
3854 (df_iterative_dataflow): Likewise.
3855 (df_analyze_problem): Likewise.
3856 (df_compact_blocks): Likewise.
3857 (df_dump): Likewise.
3858 * df-scan.c (df_rescan_blocks): Likewise.
3859 (df_record_entry_block_defs): Likewise.
3861 * genconditions.c (write_conditions): Guard the definition of
3862 'insn_conditions' with the check on GCC version.
3863 (write_writer): Guard the traversal 'insn_conditions' with
3864 the check on GCC version.
3866 2006-02-07 Richard Guenther <rguenther@suse.de>
3870 2006-01-30 Richard Guenther <rguenther@suse.de>
3872 * gimplify.c (gimplify_target_expr): Handle easy cases
3873 without creating a temporary.
3875 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
3877 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
3878 use of float in probability computations. Use edge probabilities
3879 in place of statically computed probabilities.
3880 (min_spec_prob): New static variable.
3881 (schedule_insns): Initialize it.
3882 (GET_SRC_PROB): Removed.
3883 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
3885 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
3888 * config/ia64/unwind-ia64.c: Revert last change.
3889 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
3890 (INCOMING_FRAME_SP_OFFSET): Define.
3892 2006-02-06 Roger Sayle <roger@eyesopen.com>
3894 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
3896 2006-02-07 Ben Elliston <bje@au.ibm.com>
3898 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
3899 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
3900 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
3901 (ix86_return_in_memory): Handle TDmode.
3902 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
3903 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
3905 2006-02-06 Richard Sandiford <richard@codesourcery.com>
3907 * reorg.c (dbr_schedule): Use dump_file instead of file.
3909 2006-02-06 Steve Ellcey <sje@cup.hp.com>
3912 * config/ia64/predicates.md (extr_len_operand): New predicate.
3913 * config/ia64/ia64.md (extv): Tighten constraints.
3915 (*tbit_and_2): Ditto.
3916 (*tbit_and_3): Ditto.
3917 (*tbit_or_2): Ditto.
3918 (*tbit_or_3): Ditto.
3922 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
3925 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
3927 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
3929 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
3930 loop_optimizer_init and loop_optimizer_finalize
3931 * tree-ssa-sink.c (execute_sink_code): Ditto.
3932 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3933 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
3934 tree_ssa_loop_done): Ditto.
3935 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
3936 * sched-ebb.c: Include output.h.
3937 (schedule_ebbs): Do not use dump argument.
3938 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
3939 * loop.c (loop_dump_stream): Removed.
3940 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
3942 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
3943 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
3944 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
3945 loop_iterations, strength_reduce, record_biv, record_giv,
3946 final_giv_value, check_final_value, check_ext_dependent_givs,
3947 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
3948 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
3949 dump_file instead of loop_dump_stream.
3950 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
3952 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
3954 * flow.c (life_analysis, rest_of_handle_life): Ditto.
3955 * haifa-sched.c: Include output.h
3956 (schedule_insns, sched_init): Do not use dump argument.
3957 * mode-switching.c (optimize_mode_switching): Ditto.
3958 * modulo-sched.c (stats_file): Removed.
3959 (print_node_sched_params): Do not call argument dump_file.
3960 (sms_schedule_by_order, loop_canon_p, sms_schedule,
3961 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
3963 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
3965 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
3966 rtl_loop_init, rtl_loop_done): Ditto.
3967 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
3968 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
3970 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
3971 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
3972 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
3973 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
3974 * emit-rtl.c (renumber_insns): Ditto.
3975 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
3976 expand_gimple_basic_block, tree_expand_cfg): Ditto.
3977 * regclass.c (regclass): Ditto.
3978 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
3979 remove_ssa_form, rewrite_out_of_ssa): Ditto.
3980 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
3981 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
3983 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
3984 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
3986 * gcse.c (gcse_file, debug_stderr): Removed.
3987 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
3988 rest_of_handle_gcse): Do not use dump argument.
3989 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
3990 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
3991 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
3992 compute_code_hoist_vbeinout, compute_code_hoist_data,
3993 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
3994 compute_store_table, build_store_vectors, insert_insn_start_bb,
3995 insert_store, remove_reachable_equiv_notes, replace_store_insn,
3996 store_motion): Use dump_file instead of gcse_file.
3997 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
3998 * profile.c (profile_dump_file): Removed.
3999 (branch_prob): Use dump_file instead of profile_dump_file.
4000 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
4002 * tree-ssa-copy.c (dump_copy_of): Ditto.
4003 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
4004 dump file to life_analysis.
4005 * bt-load.c (branch_target_load_optimize): Ditto.
4006 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
4008 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
4009 regclass, dbr_schedule): Declaration changed.
4010 * sched-int.h (sched_init): Declaration changed.
4011 * tree-profile.c (tree_profile_dump_file): Removed.
4012 (tree_profile_hooks): Removed profile_dump_file hook.
4013 * rtl-profile (rtl_profile_dump_file): Removed.
4014 (rtl_profile_hooks): emoved profile_dump_file hook.
4015 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
4017 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
4018 * tree-cfg.c (build_tree_cfg): Ditto.
4019 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
4020 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
4021 Declaration changed.
4022 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
4023 life_analysis and schedule_insns.
4024 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
4026 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
4028 * config/mips/mips.c (mips_reorg): Ditto.
4029 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
4032 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
4034 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4035 (s390_mangle_fundamental_type): New.
4036 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4039 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4040 (alpha_mangle_fundamental_type): New.
4041 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4044 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4046 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4048 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4049 (sparc_mangle_fundamental_type): New.
4051 2006-02-06 Jakub Jelinek <jakub@redhat.com>
4053 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
4054 (s390x-*-linux*): Likewise.
4055 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
4056 * config/s390/t-linux: New file.
4058 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
4060 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
4061 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
4063 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
4065 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
4066 (ANTIC_SAFE_LOADS): New macro.
4067 (find_or_generate_expression): Add prototype.
4068 (set_contains_value): Allow null set for sake of not always having
4069 to allocate ANTIC_SAFE_LOADS.
4070 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
4071 Allow COMPONENT_REF too.
4072 (valid_in_set): Allow COMPONENT_REF.
4073 Check ANTIC_SAFE_LOADS too.
4074 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
4075 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
4077 (can_PRE_operation): Add COMPONENT_REF.
4078 (create_component_ref_by_pieces): New function.
4079 (create_expression_by_pieces): Use create_component_ref_by_pieces.
4080 (insert_aux): Move AGGREGATE_TYPE_P check here.
4081 (compute_avail): Set bb local stmt uids.
4082 (pass_pre): Use TODO_update_ssa_only_virtuals.
4084 2006-02-06 Ben Elliston <bje@au.ibm.com>
4086 * configure.ac: Unconditionally disable decimal float by default.
4087 * configure: Regenerate.
4089 2006-02-06 Ben Elliston <bje@au.ibm.com>
4091 * read-rtl.c (read_name): Terminate reading on EOF.
4093 2006-02-06 Ben Elliston <bje@au.ibm.com>
4095 * dfp.c (decimal_real_arithmetic): Change second argument type
4096 from int to enum tree_code. Do not always return true, but now
4097 return result of any call to decimal_do helper functions.
4098 * dfp.h (decimal_real_arithmetic): Update prototype.
4100 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
4102 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
4104 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
4107 * tree-cfg.c (cleanup_dead_labels): Also don't remove
4110 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
4112 * tree-vrp.c (cfg_loops): Removed.
4113 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
4114 Use current_loops instead of cfg_loops. Pass flags to
4115 loop_optimizer_init.
4116 * cfgloopmanip.c (fix_loop_structure): Update only available
4118 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
4119 loop_optimizer_init.
4120 * modulo-sched.c (build_loops_structure): Removed.
4121 (sms_schedule): Use loop_optimizer_init.
4122 * loop-init.c (loop_optimizer_init): Use flags to determine
4123 which properties of loops to prepare.
4124 (rtl_loop_init): Pass flags to loop_optimizer_init.
4125 * tree-ssa-sink.c (execute_sink_code): Ditto.
4126 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
4127 * tree-ssa-pre.c (init_pre): Ditto.
4128 * cfgloop.h (LOOPS_NORMAL): New.
4129 (loop_optimizer_init): Declaration changed.
4131 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4133 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
4134 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
4136 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
4138 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
4140 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
4141 * pa/t-pa64: Delete quadlib.c rule.
4142 * pa/x-ada: Revert last change.
4143 * pa/t-pa: Revert last change. Delete quadlib.c rule.
4145 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
4147 PR rtl-optimization/26087
4148 * rtlanal.c (canonicalize_condition): Do not cross basic block
4151 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
4154 * config/ia64/ia64.c: Include debug.h.
4155 (MAX_ARTIFICIAL_LABEL_BYTES): New.
4156 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
4157 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
4158 (process_epilogue, process_set, process_for_unwind_directive):
4159 Output unwind info only if requested. Add CFA info if requested.
4160 Add new arguments as needed. Adjust callers.
4161 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
4163 (DWARF2_FRAME_INFO): Define to zero.
4164 * config/ia64/unwind-ia64.c: Remove code that compensated for
4165 the CFA offset error fixed above.
4166 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
4167 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
4168 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
4169 -funwind-tables and -fexceptions to enable frame info.
4170 (dwarf2out_frame_init): Define initial CFA even if
4171 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
4172 DWARF2_UNWIND_INFO is nonzero, not just defined.
4173 (dwarf2out_frame_finish): Output non-EH call frame info only
4174 if DWARF2_FRAME_INFO is nonzero.
4175 (convert_cfa_to_loc_list,
4176 compute_frame_pointer_to_cfa_displacement): Define even if
4177 unwind info is not supported.
4178 (gen_subprogram_die): Use the above unconditionally. Remove
4179 legacy alternate code.
4180 * toplev.c (compile_file): Compile in call to
4181 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
4182 (lang_dependent_init): Ditto for dwarf2out_frame_init.
4184 2006-02-04 David Edelsohn <edelsohn@gnu.org>
4185 Jakub Jelinek <jakub@redhat.com>
4187 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
4188 IBM extended float format long double as "g" on powerpc*-linux.
4190 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4193 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
4194 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
4196 2006-02-03 Jason Merrill <jason@redhat.com>
4199 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
4202 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
4203 on the return slot if it's an NRV.
4205 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
4207 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
4208 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
4209 rewrite_use): Do not handle USE_OUTER.
4210 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
4211 add_iv_outer_candidates, may_replace_final_value,
4212 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
4213 (find_interesting_uses_op): Functionality of
4214 find_interesting_uses_outer_or_nonlin moved here.
4215 (find_interesting_uses_outside): Use find_interesting_uses_op.
4217 2006-02-03 Alan Modra <amodra@bigpond.net.au>
4220 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
4222 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
4223 Ulrich Weigand <uweigand@de.ibm.com>
4226 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
4227 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
4228 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
4229 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
4231 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
4232 (s390_rtx_costs): Use the new fields to calculate rtx costs.
4233 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
4234 Define secondary reloads for TFmode moves.
4235 (constant_modes): Add TFmode.
4236 (NR_C_MODES): Set to 8.
4237 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
4239 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
4240 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
4241 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
4242 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
4243 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
4244 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
4245 (FPR mode macro): Add TFmode.
4246 (DSF mode macro): New.
4247 (<de>, <dee> mode attributes): Removed.
4248 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
4249 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
4250 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
4251 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
4252 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
4253 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
4254 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
4255 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
4256 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
4257 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
4258 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
4259 "*negabs<mode>2", "sqrt<mode>2"):
4260 Changed <de> to <xde>. R constraint replaced by <Rf>.
4261 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
4263 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
4264 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
4265 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
4267 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
4268 "extenddftf2", "extendsftf2"): New expanders.
4269 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
4270 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
4271 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
4272 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
4274 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
4275 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
4276 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
4277 __floatditf): Add a GCC_4.1.0 symbol version tag.
4278 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
4281 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
4284 * config/i386/i386.c (ix86_function_ok_for_sibcall):
4285 Use targetm.binds_local_p instead of TREE_PUBLIC.
4287 2006-02-02 Roger Sayle <roger@eyesopen.com>
4289 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
4290 on INTEGER_TYPEs to indicate that it denotes a character type.
4291 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
4292 signed_char_type_node, unsigned_char_type_node and char_type_node.
4293 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
4294 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
4295 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
4297 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
4298 Daniel Berlin <dberlin@dberlin.org>
4300 * tree-tailcall.c (arg_needs_copy_p): New function.
4301 (eliminate_tail_call): Use arg_needs_copy_p.
4302 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
4303 (add_virtual_phis): New function.
4305 2006-02-02 Jakub Jelinek <jakub@redhat.com>
4307 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
4308 #ignore instead of #scratch for %g7 .register directive.
4310 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
4312 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
4315 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
4317 * flow.c (calculate_global_regs_live): Assert that there aren't any
4320 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
4322 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
4324 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
4325 bsi_after_labels iterator.
4326 * tree-if-conv.c (find_phi_replacement_condition,
4327 replace_phi_with_cond_modify_expr): Likewise.
4328 * tree-scalar-evolution.c (scev_const_prop): Likewise.
4329 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
4331 2006-02-02 Diego Novillo <dnovillo@redhat.com>
4333 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
4335 2006-02-02 Diego Novillo <dnovillo@redhat.com>
4338 * tree-cfg.c (move_block_to_fn): Clear out the basic block
4339 array after growing it.
4341 2006-02-01 Steve Ellcey <sje@cup.hp.com>
4344 * fold-const.c (fold_checksum_tree): Change type of buf.
4346 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
4348 * reload.c (push_secondary_reload): Initialize t_icode.
4350 2006-02-01 Jakub Jelinek <jakub@redhat.com>
4352 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
4353 -msoft-float -mlong-double-128 only issue a warning, but don't
4354 swich to DFmode long double.
4356 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
4358 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
4359 has a constant equivalent, iterate over equivalents for arg0,
4360 calling simplify_relational_operation and if there's a result
4361 cheaper than X, apply fold_rtx and return the result.
4363 2006-02-01 Jan Hubicka <jh@suse.cz>
4365 * opts.c (no_unit_at_a_time_default): New global variable.
4366 (decode_options): Use it.
4367 * opts.h (no_unit_at_a_time_default): Declare.
4369 2006-02-01 Paul Brook <paul@codesourcery.com>
4371 * function.c (assign_parm_setup_reg): Use function argument promotion
4373 * expr.c (expand_expr_real_1): Use function argument promotion rules
4376 2006-02-01 Steve Ellcey <sje@cup.hp.com>
4378 * gcc.c (process_command): Change j to 'unsigned int'.
4380 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
4383 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
4384 Use the corrected index for the character
4385 out of the string constant.
4387 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
4389 * mode-switching.c (optimize_mode_switching): Fix size
4390 allocated for bb_info[n_entities].
4392 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
4394 * gcc.c (main): Correct type that is allocated for
4395 explicit_link_files.
4397 2006-01-31 Jakub Jelinek <jakub@redhat.com>
4399 * config/s390/s390.c (init_alignment_context): Set
4400 ALIAS_SET_MEMORY_BARRIER on the MEM.
4401 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
4403 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
4406 * loop-unroll.c (unroll_loop_runtime_iterations): Free
4408 * tree-ssa-live.c (type_var_init): Allocate bitmap after
4411 2006-01-31 Marcin Dalecki <martin@dalecki.de>
4413 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
4414 * regrename.c: Ditto.
4415 * tree-ssa-loop-im.c: Ditto.
4416 * tree-dump.c: Ditto.
4417 * tree-complex.c: Ditto.
4418 * genrecog.c: Ditto.
4419 * tree-ssa-threadupdate.c: Ditto.
4421 * java/class.c: Ditto.
4422 * java/jcf-parse.c: Ditto.
4423 * java/resource.c: Ditto.
4424 * java/except.c: Ditto.
4425 * java/jvspec.c: Ditto.
4426 * java/jcf-write.c: Ditto.
4427 * java/jcf-path.c: Ditto.
4428 * java/gjavah.c: Ditto.
4429 * java/zextract.c: Ditto.
4430 * java/jcf-io.c: Ditto.
4431 * java/jcf.h: Ditto.
4432 * java/buffer.c: Ditto.
4433 * java/lang.c: Ditto.
4434 * java/parse-scan.y: Ditto.
4435 * java/lex.c: Ditto.
4436 * java/lex.h: Ditto.
4437 * cfgloopmanip.c: Ditto.
4438 * postreload-gcse.c: Ditto.
4439 * tree-ssa-loop-manip.c: Ditto.
4440 * postreload.c: Ditto.
4441 * tree-ssa-loop-ch.c: Ditto.
4445 * diagnostic.c: Ditto.
4447 * genoutput.c: Ditto.
4449 * cfghooks.c: Ditto.
4450 * cfgloopanal.c: Ditto.
4451 * objc/objc-act.c: Ditto.
4453 * genextract.c: Ditto.
4454 * genautomata.c: Ditto.
4455 * pretty-print.c: Ditto.
4457 * cgraphunit.c: Ditto.
4460 * haifa-sched.c: Ditto.
4461 * dominance.c: Ditto.
4463 * tree-ssa-loop-ivopts.c: Ditto.
4465 * mode-switching.c: Ditto.
4466 * modulo-sched.c: Ditto.
4468 * ipa-pure-const.c: Ditto.
4470 * fix-header.c: Ditto.
4472 * tree-stdarg.c: Ditto.
4473 * ipa-utils.c: Ditto.
4474 * loop-init.c: Ditto.
4475 * ipa-inline.c: Ditto.
4478 * alloc-pool.c: Ditto.
4479 * dwarf2out.c: Ditto.
4481 * genattrtab.c: Ditto.
4482 * tree-ssa-loop-ivcanon.c: Ditto.
4486 * fortran/gfortranspec.c: Ditto.
4488 * local-alloc.c: Ditto.
4489 * langhooks.c: Ditto.
4490 * function.c: Ditto.
4491 * tree-vectorizer.c: Ditto.
4493 * ipa-type-escape.c: Ditto.
4495 * tree-if-conv.c: Ditto.
4498 * tree-data-ref.c: Ditto.
4499 * loop-unroll.c: Ditto.
4500 * treelang/treetree.c: Ditto.
4503 * ggc-common.c: Ditto.
4505 * coverage.c: Ditto.
4507 * tree-cfgcleanup.c: Ditto.
4508 * tree-ssa-pre.c: Ditto.
4509 * cfgcleanup.c: Ditto.
4510 * loop-invariant.c: Ditto.
4512 * ipa-prop.c: Ditto.
4513 * print-tree.c: Ditto.
4514 * conflict.c: Ditto.
4515 * ggc-page.c: Ditto.
4516 * sched-deps.c: Ditto.
4517 * regclass.c: Ditto.
4518 * tree-object-size.c: Ditto.
4520 * bb-reorder.c: Ditto.
4521 * resource.c: Ditto.
4522 * var-tracking.c: Ditto.
4524 * df-problems.c: Ditto.
4525 * reg-stack.c: Ditto.
4528 * sched-rgn.c: Ditto.
4529 * tree-ssa-structalias.c: Ditto.
4530 * tree-ssa-reassoc.c: Ditto.
4531 * config/darwin-c.c: Ditto.
4532 * config/darwin.c: Ditto.
4533 * config/arm/arm.c: Ditto.
4535 * collect2.c: Ditto.
4538 2006-01-31 Nicolas Pitre <nico@cam.org>
4540 * arm.md (smaxsi3): Make aware of smax_m1.
4543 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
4545 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
4547 2006-01-31 Richard Guenther <rguenther@suse.de>
4549 * doc/invoke.texi (-msselibm): Document.
4550 * target.h (expand_library_builtin): New target hook.
4551 * builtins.c (expand_builtin): Use expand_library_builtin.
4552 (default_expand_library_builtin): New function.
4553 * gcc.c (LINK_GCC_MATH_SPEC): Define.
4554 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
4555 (link_gcc_math_spec): Declare.
4556 (static_specs): Add link_gcc_math_spec.
4557 * expr.h (default_expand_library_builtin): Declare.
4558 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4559 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
4560 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
4561 * config/i386/i386.opt (msselibm): New target option.
4562 * config/i386/i386.c (ix86_builtin_function_variants): New array.
4563 (ix86_init_sse_abi_builtins): New function.
4564 (ix86_expand_library_builtin): Likewise.
4565 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4566 (override_options): Handle error conditions wrt -msselibm.
4567 (ix86_builtins): Add function codes for SSE2 ABI builtins.
4568 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
4569 * doc/extend.texi (__builtin_sse2_*): Document new target specific
4572 2006-01-31 Richard Guenther <rguenther@suse.de>
4573 Paolo Bonzini <bonzini@gnu.org>
4575 * doc/install.texi (--disable-libgcc-math): Document.
4577 2006-01-30 Marcin Dalecki <martin@dalecki.de>
4579 * expr.h (expand_normal): new inline function.
4580 * builtins.c: use it, use EXPAND_NORMAL explicitely.
4582 * dwarf2out.c: use it.
4587 * config/sparc/sparc.c: use it.
4588 * config/i386/i386.c: use it.
4589 * config/rs6000/rs6000.c: use it.
4590 * config/arm/arm.c: use it.
4591 * config/mips/mips.c: use it.
4592 * stmt.c: use it, use EXPAND_NORMAL explicitely.
4594 2006-01-30 Roger Sayle <roger@eyesopen.com>
4596 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
4597 argv to the appropriate type.
4599 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
4601 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
4604 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
4607 * config/s390/s390.c (struct machine_function): New flag
4608 decomposed_literal_pool_addresses_ok_p.
4609 (s390_reorg): Set it before final stage of literal pool transforms.
4610 (s390_decompose_address): Only accept displacements of the form
4611 (minus (label_ref ...) (label_ref ...)) if that flag is set.
4613 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
4615 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
4616 the comparison routine return.
4618 2006-01-30 Michael Matz <matz@suse.de>
4620 * global.c (find_reg): Only evict for global regs.
4621 Take n_refs into account and dump more info.
4623 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
4626 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
4627 (pragma_trap, pragma_nosave_low_regs): Likewise.
4628 (current_function_anonymous_args): Likewise.
4629 (sh_deferred_function_attributes): New variable.
4630 (sh_deferred_function_attributes_tail): Likewise.
4631 (print_operand): For '@', look up trap_exit attribute.
4632 (calc_live_regs): Look up trapa_handler attribute. For trapa
4633 handlers, save/restore fpscr, but don't do any other
4634 interrupt-specific saves.
4635 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
4636 Fix check for partially saved registers to check for SHmedia.
4637 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
4638 (sh_output_function_epilogue): Don't clear any of the removed
4640 (sh_insert_attributes): Don't check pragma_interrupt.
4641 Insert deferred attributes. Check that interrupt attribute is
4642 present for other attributes that require its presence.
4643 (sh_attribute_table): Add new attributes trapa_handler and
4645 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
4646 Don't check for pragma_interrupt. Don't store argument.
4647 * sh.h (pragma_interrupt, sp_switch): Don't declare.
4648 (sh_deferred_function_attributes): Declare.
4649 (sh_deferred_function_attributes_tail): Likewise.
4650 * sh.md (sp_switch_1): Add operand. Change generator caller.
4651 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
4652 (*return_i): Don't use when trap_exit attribute is in effect.
4653 (*return_trapa): New insn pattern.
4655 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
4656 setting c_target_objs and cxx_target_objs.
4657 * t-sh: Add rule for sh-c.o.
4659 2006-01-30 Richard Guenther <rguenther@suse.de>
4662 * gimplify.c (gimplify_target_expr): Handle easy cases
4663 without creating a temporary.
4665 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
4667 * vec.h (safe_grow): Remove duplicated line.
4669 2006-01-29 Diego Novillo <dnovillo@redhat.com>
4672 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
4673 (expand_omp): ... here.
4674 (expand_omp_parallel): Only remove barriers for combined
4675 parallel+workshare constructs.
4677 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
4681 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
4682 * tree.c (build_qualified_type): Chain the new type to the original
4683 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
4684 a POINTER_TYPE or a REFERENCE_TYPE respectively.
4685 (build_pointer_type_for_mode): Only return unqualified types.
4686 (build_reference_type_for_mode): Likewise.
4688 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
4690 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
4691 * Makefile.in (CXX_COMPAT_WARN): Define.
4692 * configure: Regenerate.
4694 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
4697 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
4700 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
4702 * toplev.c: Fix thinko.
4704 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
4705 Marcin Dalecki <martin@dalecki.de>
4707 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
4708 (push_srcloc): Use XNEW.
4709 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
4711 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
4713 * df-core.c (df_set_blocks): Deleted all variable.
4715 2006-01-28 Ian Lance Taylor <ian@airs.com>
4717 * cgraphunit.c (cgraph_assemble_pending_functions): Call
4718 cgraph_output_pending_asms.
4720 2006-01-28 Zack Weinberg <zackw@panix.com>
4722 * c.opt: Add -W(no-)overlength-strings.
4723 * doc/invoke.texi: Document it.
4724 * c-opts.c (c_common_handle_option): -pedantic implies
4725 -Woverlength-strings, if not explicitly disabled already.
4726 (c_common_post_options): -Woverlength-strings defaults to off, and
4727 is always off for C++.
4728 * c-common.c (fix_string_type): Issue warning about strings longer
4729 than is portable only if warn_overlength_strings. Rearrange code
4730 a little for clarity.
4731 * configure.in: Check for -Wno-overlength-strings as well before
4732 enabling -pedantic in stage 1.
4733 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
4734 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
4736 * genconditions.c (write_header, write_one_condition)
4737 (write_conditions, write_writer): Consolidate very long strings
4738 that were broken up to fit in C89 portable limit. Don't use
4739 printf when fputs will do.
4741 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
4743 * combine.c (simplify_comparison <AND>): Check
4744 TRULY_NOOP_TRUNCATION before start using a subreg.
4746 * config/mips/mips.md (*branch_zero<mode>,
4747 *branch_zero<mode>_inverted, *branch_equality<mode>,
4748 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
4749 Remove mode check from comparisons.
4751 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
4753 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
4755 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
4757 * expmed.c (const_mult_add_overflow_p): Remove.
4758 * expr.h: Remove the prototype for const_mult_add_overflow_p.
4760 * recog.c (validate_replace_rtx_subexp): Remove.
4761 * recog.h: Remove the prototype for
4762 validate_replace_rtx_subexp.
4764 * integrate.h: Remove the prototype for
4765 copy_decl_for_inlining.
4766 * rtl.h: Remove the prototype for mark_constant_function.
4767 * tree-vectorizer.h: Remove the prototype for
4768 vect_strip_conversion.
4770 * modulo-sched.c (create_partial_schedule,
4771 free_partial_schedule, reset_partial_schedule): Make them
4774 * hooks.c (hook_bool_rtx_int_false): Remove.
4775 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
4777 2006-01-28 David Edelsohn <edelsohn@gnu.org>
4779 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
4780 and -mlong-double-128 are incompatible.
4781 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
4782 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
4783 (TARGET_LIBGCC2_CFLAGS): Define.
4784 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
4785 (TARGET_LIBGCC2_CFLAGS): Same.
4786 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
4788 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
4791 * c-typeck.c (build_binary_op): Perform implicit casts of
4792 operands before shortening them.
4794 * cfgloopmanip.c (split_loop_bb): Remove.
4795 * cfgloop.h: Remove the prototype for split_loop_bb.
4797 * cfgloop.c (flow_loop_outside_edge_p): Remove.
4798 * cfgloop.h: Remove the prototype for
4799 flow_loop_outside_edge_p.
4801 * emit-rtl.c (init_virtual_regs): Make it static.
4802 * function.h: Remove the prototype for init_virtual_regs.
4804 * recog.c (peephole2_optimize): Make it static.
4805 * recog.h: Remove the prototype for peephole2_optimize.
4807 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
4809 * df-scan.c (df_record_entry_block_defs): Check if
4810 INCOMING_RETURN_ADDR_RTX is defined.
4812 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
4813 Kenneth Zadeck <zadeck@naturalbridge.com>
4815 PR rtl-optimization/24762
4816 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
4817 * targhooks.c (hook_void_bitmap): New hook prototype.
4818 * targhoohs.h (hook_void_bitmap): Ditto.
4819 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
4820 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
4821 * target.h (live_on_entry): New function pointer.
4822 * df-scan.c (df_all_hard_regs): Removed.
4823 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
4824 (df_scan_free_internal): Added df->entry_block_defs.
4825 (df_scan_alloc): Ditto.
4826 (df_scan_dump): Ditto.
4827 (df_uses_record): Plumbed flag field properly thru calls.
4828 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
4829 This part fixes PR24762.
4830 (df_bb_refs_record): Added code to make the frame and arg
4831 pointers live in EH blocks.
4832 (df_refs_record): Added call to df_record_entry_block_defs.
4833 (df_record_entry_block_defs): New function.
4834 * df-core.c: Added comments to describe new artifical defs.
4835 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
4836 (entry_block_defs): New field in struct df.
4837 (df_all_hard_regs): Deleted.
4838 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
4839 * df-problems.c (df_ru_bb_local_compute_process_def):
4840 Added code to handle artifical defs in the entry to a function.
4841 (df_ru_bb_local_compute): Ditto.
4842 (df_rd_bb_local_compute_process_def): Ditto.
4843 (df_rd_bb_local_compute): Ditto.
4844 (df_lr_bb_local_compute): Ditto.
4845 (df_ur_bb_local_compute): Ditto.
4846 (df_urec_bb_local_compute): Ditto.
4847 (df_chain_create_bb): Ditto.
4848 (df_ur_local_finalize): Removed entry.
4849 (df_urec_init): Ditto.
4850 (df_urec_local_finalize): Ditto.
4851 (df_ri_bb_compute): Added detection of last use of pseudos.
4852 * Makefile.in (df-scan.o): Updated dependencies.
4853 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
4854 * config/mips/mips.c (mips_set_live_on_entry): Added.
4855 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
4857 * dce.c (marked_insn_p): Added code to handle artifical defs.
4859 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
4861 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
4863 (_mm_cvtsi128_si64): Likewise.
4864 (_mm_cvtsd_si64): Likewise.
4865 (_mm_cvttsd_si64): Likewise.
4866 (_mm_cvtsi64_sd): Likewise.
4867 (_mm_cvtsi64_si128): Likewise.
4868 * config/i386/mmintrin.h (_m_from_int64): Likewise.
4869 (_mm_cvtsi64_m64): Likewise.
4870 (_m_to_int64): Likewise.
4871 (_mm_cvtm64_si64): Likewise.
4872 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
4873 (_mm_cvttss_si64): Likewise.
4874 (_mm_cvtsi64_ss): Likewise.
4875 (_mm_cvtss_f32): Likewise.
4877 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
4879 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
4880 for pragma redefine_extname.
4882 2006-01-27 Jakub Jelinek <jakub@redhat.com>
4885 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
4886 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
4887 -mno-minimal-toc to previous content.
4888 (bispecs): Remove goal.
4889 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
4890 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
4891 compatibility aliases on powerpc-*-*gnu*.
4892 * config/rs6000/libgcc-ppc-glibc.ver: New file.
4893 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
4894 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
4895 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
4896 (ldblspecs): New goal.
4897 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
4898 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
4900 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
4901 L_sf_to_tf or L_df_to_tf is defined.
4903 2006-01-27 David Edelsohn <edelsohn@gnu.org>
4904 Alan Modra <amodra@bigpond.net.au>
4907 * config/rs6000/linux.h (POWERPC_LINUX): Define.
4908 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
4909 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
4910 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
4911 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
4912 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
4913 (rs6000_override_options): Initialize rs6000_ieeequad.
4914 Initialize TFmode format to ibm_extended_format if not
4916 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
4918 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
4919 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
4920 (function_arg_advance): IBM long double passed in two FPRs, not
4922 (function_arg): IBM long double passed in FPRs.
4923 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
4924 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
4925 Only multireg GPR aligned.
4926 (rs6000_init_libfuncs): Enable IBM long double functions if not
4928 (rs6000_generate_compare): Use IBM long double compare if not
4930 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
4931 (TARGET_IEEEQUAD): Define.
4932 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
4933 not TARGET_IEEEQUAD.
4934 * config/rs6000/rs6000.md: Enable TFmode patterns if
4936 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
4937 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
4938 and -mlong-double-128 are incompatible.
4939 * doc/invoke.texi (-mabi): Collect options together. Add
4940 ibmlongdouble and ieeelongdouble.
4942 2006-01-27 Richard Sandiford <richard@codesourcery.com>
4944 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
4946 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
4947 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
4948 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
4949 * rtl.h (rtunion_def): Remove rt_ptr.
4951 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
4952 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
4953 * config/i386/winnt.c (i386_pe_mark_dllexport)
4954 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
4956 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
4958 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
4960 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
4964 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
4965 pthread_key_delete. From John David Anglin. gthrw-ify
4966 pthread_getunique_np only if it it's not a macro. Delete
4968 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
4969 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
4970 __gthread_objc_condition_signal, __gthread_key_delete): Add
4971 "__attribute__ ((__unused__))" to unused arguments.
4972 (__gthread_recursive_mutex_init_function): Add missing return.
4973 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
4974 gthr-posix95.h: Use macro-based approach for name redirection
4975 on targets missing weakref.
4977 2006-01-26 Zack Weinberg <zackw@panix.com>
4979 * genconditions.c (write_header): In generated code, #ifdef out
4980 all includes and fake declarations, except includes of bconfig.h
4981 and system.h, unless GCC_VERSION >= 3001. Do not include
4982 gensupport.h in any case.
4983 (write_conditions): Generate a definition of struct c_test. Add
4984 a comment to the generated #endif.
4985 (write_one_condition): Escape backslashes in string too.
4986 (write_writer): Generated code must escape backslashes and quote
4987 marks (but not newlines) in the strings it writes.
4988 * Makefile.in (build/gencondmd.o): Update dependencies.
4990 2006-01-26 Steve Ellcey <sje@cup.hp.com>
4993 * Makefile.in (insn-automata.o): Add header file dependencies.
4994 * genautomata.c: Add includes.
4996 2006-01-26 Steve Ellcey <sje@cup.hp.com>
4999 * Makefile.in (insn-automata.o): Add -Wno-error flag.
5001 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
5003 * configure.ac: Expect target tools paths to be passed from the toplevel
5004 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
5006 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
5008 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
5011 * c.opt (Wpointer-sign): Init to -1.
5012 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
5013 OPT_pedantic, to 0 otherwise.
5014 * doc/invoke.texi: Update.
5016 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
5018 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
5019 constants provided by 80387 instructions in the destination mode.
5021 2006-01-26 Richard Guenther <rguenther@suse.de>
5022 Andrew Pinski <pinskia@physics.uc.edu>
5025 partial PR tree-opt/17064
5026 * tree-ssa-structalias.c (intra_create_variable_infos):
5027 Create heap variables for incoming parameters if
5028 flag_argument_noalias > 1.
5029 (find_what_p_points_to): Look through default defs of
5032 2006-01-26 Jeff Law <law@redhat.com>
5035 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
5036 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
5037 within the VR_RANGE, use the VR_RANGE as the result, not the
5039 (adjust_range_with_scev): Reject ranges from SCEV which are out of
5040 bounds for the type.
5042 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
5044 * tree-ssa-alias.c (maybe_create_global_var): Change
5045 subvar walking to an assertion that we don't have subvar'd variables.
5047 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
5050 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
5051 Use a new variable, inner. PARM_DECLs are always non-weak.
5053 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
5055 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
5058 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
5060 * config/mips/mips.md (*clear_upper32): New combiner pattern.
5062 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
5064 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
5065 (smax_insn, smin_insn, smax_0, smin_0): New.
5067 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
5070 * config/cris/cris.c (cris_order_for_addsi3): New function.
5071 * config/cris/cris-protos.h: Prototype it.
5072 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
5073 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
5074 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
5075 (split for "op.S1 [rx=rx+i],ry (swapped)")
5076 (split for "op(s|u).S1 [rx=rx+i],ry")
5077 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
5078 Apply cris_order_for_addsi3 when generating addsi3 insns.
5080 2006-01-25 Diego Novillo <dnovillo@redhat.com>
5082 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
5083 (TREE_BLOCK): Add call to EXPR_CHECK.
5085 2006-01-25 Diego Novillo <dnovillo@redhat.com>
5088 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
5089 * tree-pretty-print.c (dump_omp_clause): Extract from ...
5090 (dump_omp_clauses): ... here.
5091 (dump_generic_node): Handle OMP_CLAUSE.
5092 * tree.c (omp_clause_num_ops): New.
5093 (omp_clause_code_name): New.
5094 (tree_code_size): Handle OMP_CLAUSE.
5095 (tree_size): Likewise.
5096 (make_node): Document handling of OMP_CLAUSE.
5097 (tree_node_structure): Handle OMP_CLAUSE.
5098 (omp_clause_check_failed): New.
5099 (omp_clause_range_check_failed): New.
5100 (omp_clause_operand_check_failed): New.
5101 (build_omp_clause): New.
5102 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
5103 * tree.h (enum omp_clause_code): Declare.
5104 (OMP_CLAUSE_SUBCODE_CHECK): Define.
5105 (OMP_CLAUSE_RANGE_CHECK): Define.
5106 (OMP_CLAUSE_ELT_CHECK): Define.
5107 (omp_clause_check_failed): Declare.
5108 (omp_clause_operand_check_failed): Declare.
5109 (omp_clause_range_check_failed): Declare.
5110 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
5111 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
5112 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
5113 (OMP_CLAUSE_LASTPRIVATE): Likewise.
5114 (OMP_CLAUSE_IF_EXPR): Likewise.
5115 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
5116 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
5117 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
5118 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
5119 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
5120 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
5121 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
5122 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
5123 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
5124 (OMP_CLAUSE_CODE): Define.
5125 (OMP_CLAUSE_SET_CODE): Define.
5126 (OMP_CLAUSE_CODE): Define.
5127 (OMP_CLAUSE_OPERAND): Define.
5128 (struct tree_omp_clause): Declare.
5129 (union tree_node): Add field 'omp_clause'.
5130 * treestruct.def (TS_OMP_CLAUSE): Define.
5131 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
5132 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
5133 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
5134 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
5135 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
5136 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
5137 (OMP_CLAUSE): Define.
5138 * print-tree.c (print_node): Handle OMP_CLAUSE.
5139 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
5140 * c-typeck.c: Likewise.
5141 * gimplify.c: Likewise.
5142 * c-omp.c: Likewise.
5143 * tree-nested.c: Likewise.
5144 * tree-inline.c: Likewise.
5145 * c-parser.c: Likewise.
5146 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
5149 2006-01-25 Roger Sayle <roger@eyesopen.com>
5151 PR rtl-optimization/25703
5152 * combine.c (try_combine): Handle zero_extract and strict_low_part
5153 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
5155 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
5157 * global.c: Fix comment typos.
5159 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
5162 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
5163 Use output_addr_const instead of assemble_name.
5165 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
5167 * Makefile.in (sched-vis.o): Update dependencies.
5168 * haifa-sched.c (sched_finish): Clear current_sched_info.
5169 * cfg.c (dump_bb_info): New, split from dump_flow_info.
5170 (dump_flow_info): Call it.
5171 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
5173 * basic-block.h (dump_bb_info): Declare.
5174 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
5175 option, and apply options only for dump files whose TDF_RTL,
5176 TDF_TREE, or TDF_IPA bits match.
5177 * rtl.h: Declare new functions exported from sched-vis.c.
5178 * sched-vis.c: Enable also if scheduling is not used.
5179 (print_value): Print the mode of registers if not inside scheduling.
5180 (print_insn): Make it work outside the scheduler. Beautify the output
5182 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
5184 2006-01-25 Richard Sandiford <richard@codesourcery.com>
5186 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
5187 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
5188 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
5189 depending on the value of CONSTANT_POOL_ADDRESS_P.
5190 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
5192 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
5193 rather than SYMBOL_REF_DECL.
5194 (rtx_constant_pool): Remove const_rtx_sym_htab.
5195 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
5196 (init_varasm_status): Don't initialize const_rtx_sym_htab.
5197 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
5198 Remove handling of const_rtx_sym_htab.
5199 (find_pool_constant): Delete.
5200 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
5201 rather than find_pool_constant.
5202 (get_pool_constant_for_function): Delete.
5203 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
5205 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
5206 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
5207 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
5208 (SYMBOL_REF_CONSTANT): New macro.
5209 (get_pool_constant_for_function): Delete.
5210 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
5211 rather than SYMBOL_REF_DECL.
5212 (i386_pe_mark_dllimport): Likewise.
5213 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
5214 rather than SYMBOL_REF_DECL.
5215 * config/darwin.c (machopic_indirect_data_reference): Likewise.
5216 (machopic_indirect_call_target): Likewise.
5218 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
5220 * flow.c (delete_noop_moves): Add missing EOL to dump message.
5222 2006-01-25 Richard Sandiford <richard@codesourcery.com>
5224 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
5226 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
5228 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
5230 2006-01-24 David Daney <ddaney@avtrex.com>
5233 * configure.ac (enable_tls): New enable option.
5234 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
5235 * configure: Regenerate.
5236 * doc/install.texi (--enable-tls): Document new option.
5237 (--disable-tls): Ditto.
5239 2006-01-24 Richard Henderson <rth@redehat.com>
5241 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
5242 * alias.c (true_dependence): Respect it.
5243 (canon_true_dependence, write_dependence_p): Likewise.
5244 * builtins.c (get_builtin_sync_mem): Set it.
5246 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
5248 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
5251 2006-01-24 DJ Delorie <dj@redhat.com>
5253 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
5254 for storing constants in single-bit bitfields.
5256 2006-01-25 Ben Elliston <bje@au.ibm.com>
5258 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
5260 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
5263 * tree-ssa-pre.c (phi_translate): Return NULL
5264 for AGGREGATE_TYPE's.
5266 2006-01-24 Zack Weinberg <zackw@panix.com>
5268 * genautomata.c (process_state_for_insn_equiv_partition):
5269 Use xcalloc for insn_arcs_array.
5270 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
5271 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
5273 2006-01-24 Richard Henderson <rth@redhat.com>
5275 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
5278 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
5280 PR rtl-optimization/25890
5281 PR rtl-optimization/25905
5282 * combine.c (expand_compound_operation, expand_field_assignment):
5283 Fail if the bitfield's final position is out of bounds.
5285 2006-01-24 Ian Lance Taylor <ian@airs.com>
5288 * cgraphunit.c (cgraph_output_in_order): Don't clear
5289 cgraph_asm_nodes until after asm strings have been output.
5291 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
5293 * fix-header.c (read_scan_file): Add new parameter imultilib when
5294 calling register_include_chains.
5296 2006-01-23 Diego Novillo <dnovillo@redhat.com>
5298 * omp-low.c: Update documentation.
5300 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
5301 Daniel Berlin <dberlin@dberlin.org>
5305 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
5306 return from the function.
5308 2006-01-22 Zack Weinberg <zackw@panix.com>
5310 * rtl.def (match_code): Add second argument.
5311 * genpreds.c (write_extract_subexp): New function.
5312 (write_match_code): Add path argument. Use write_extract_subexp.
5313 (write_predicate_expr): Pass path to write_match_code.
5314 (mark_mode_tests): MATCH_CODE applied to a subexpression does
5315 not perform a mode test.
5316 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
5317 a subexpression does not constrain the top-level code set.
5318 * read-rtl.c (read_rtx_variadic): New function.
5319 (read_rtx_1): Use it; allow AND and IOR to be variadic.
5320 * doc/md.texi: Document new notation.
5321 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
5322 (cmpsi_operand): ... here, using new notation.
5324 2006-01-22 Zack Weinberg <zackw@panix.com>
5326 * varray.c: Remove GENERATOR_FILE #ifdefs.
5328 2006-01-22 Zack Weinberg <zackw@panix.com>
5330 * genautomata.c (output_reserved_units_table): Emit nothing if
5331 description->query_units_num is zero. Remove extra blank line.
5332 (output_cpu_unit_reservation_p): Short circuit
5333 if description->query_units_num is zero.
5335 2006-01-22 Zack Weinberg <zackw@panix.com>
5337 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
5338 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
5339 nor any of the random handful of variables that used to be necessary
5340 when this program was linked with rtlanal.o. Prune set of forward
5341 function declarations.
5342 (struct attr_desc): Remove static_p field.
5343 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
5344 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
5345 (attr_string): Do not read the character one past the length of
5347 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
5348 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
5349 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
5350 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
5351 (make_automaton_attrs): New.
5352 (main): Do not call into genautomata. Call local gen_bypass
5353 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
5354 Remove special case for insn_alts.
5355 * genautomata.c: Include gensupport.h; not genattrtab.h nor
5356 varray.h (leftover from previous change). Prune set of forward
5357 function declarations. Remove state_alts fields from all
5358 structures. Remove state_alts_table from struct automaton.
5359 Make everything except main static. Do not maintain num_dfa_decls.
5360 Do not maintain state_alts fields of various structures.
5361 (process_decls): Don't validate condexp for dm_insn_reserv decls.
5362 (add_arc): Remove state_alts argument. All callers updated.
5363 (output_reserved_units_table): Emit #ifdef here...
5364 (output_tables): ...not here. Don't generate state_alts tables.
5365 (expand_automata): Don't generate attributes.
5366 (write_automata): Don't generate state_alts functions.
5367 (main): New function.
5368 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
5369 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
5370 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
5371 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
5372 (BYPASS_P_FUNC_NAME, output_state_alts_table)
5373 (output_automata_list_state_alts_code, output_internal_state_alts_func)
5374 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
5375 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
5377 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
5378 * genattrtab.h: Delete file.
5379 * Makefile.in (OBJS-common): Add insn-automata.o.
5380 (insn-automata.o): New rule.
5381 (simple_generated_c): Add insn-automata.c.
5382 (build/genattrtab.o, build/genautomata.o): Update dependencies.
5383 (genprogmd): Add automata.
5384 (build/genattrtab): Needs no extra objects nor libraries.
5385 (build/genautomata): Needs build/vec.o and -lm.
5387 2006-01-22 Zack Weinberg <zackw@panix.com>
5389 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
5390 (output_dfa_max_issue_rate, locked_states_num): Delete.
5391 (struct automaton): Add locked_states field.
5392 (output_dead_lock_vect): Save number of locked states in
5393 automaton->locked_states. If it is zero, don't print anything.
5394 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
5395 (output_internal_dead_lock_func): Only test the dead_lock_vect
5396 for automata that have locked states.
5397 (output_statistics): Always print the number of locked states for
5398 each automaton. Calculate total number of locked states here.
5399 (write_automata): Don't call output_dfa_max_issue_rate.
5400 * genattrtab.c: Define length_unit_log as a const variable.
5401 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
5402 max_insn_queue_index const.
5403 * final.c (length_unit_log): Declare const.
5404 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
5406 2006-01-22 Zack Weinberg <zackw@panix.com>
5408 * genautomata.c: Include vec.h, not varray.h.
5409 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
5410 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
5411 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
5412 VEC_* macros operating on appropriately typed vectors, or to
5413 malloced arrays when the size is known in advance. Const-ify
5414 many char* variables and function arguments. No functional changes.
5415 * Makefile.in (build/varray.o): Delete rule.
5416 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
5417 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
5419 2006-01-22 Zack Weinberg <zackw@panix.com>
5421 * gensupport.c: Define get_insn_name and record_insn_name here.
5422 (read_md_rtx): Call record_insn_name as appropriate.
5423 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
5424 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
5425 * genpreds.c, genrecog.c: Don't define get_insn_name nor
5427 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
5428 (BUILD_VARRAY): Delete.
5429 (genprognormal): Rename genprogmd. Fold in all programs from
5430 genprognoprint; also attrtab.
5431 (build/genattrtab): Just mention genautomata.o and varray.o.
5432 Reorganize a bit, add comments to make the categories clearer.
5434 2006-01-22 Zack Weinberg <zackw@panix.com>
5436 * genconditions.c (condition_table, add_condition): Delete.
5437 (write_conditions): Don't emit n_insn_conditions nor
5438 insn_elision_unavailable. Issue the gcc version #ifdef here,
5439 inside the table, with no #else clause ...
5440 (write_header): ...not here.
5441 (write_writer): New function.
5442 (main): Don't initialize condition_table. Use add_c_test.
5444 * gensupport.c (init_md_reader_args_cb): Handle multiple input
5445 files on the command line.
5446 (maybe_eval_c_test): Don't check insn_elision_unavailable.
5447 Return -1 if there is no entry in the table, don't abort.
5448 (add_c_test, traverse_c_tests): New functions.
5449 * gensupport.h (insn_elision_unavailable, insn_conditions)
5450 (n_insn_conditions): Delete declarations.
5451 (add_c_test, traverse_c_tests): Declare.
5452 * read-rtl.c: Include gensupport.h.
5453 (read_conditions): New function.
5454 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
5455 (read_rtx_1): If we get EOF when we were looking for an initial
5456 open paren, return 0. Call read_conditions when appropriate.
5457 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
5458 dummy-conditions.o. Eliminate references to insn-conditions.o,
5459 or change them to build/gencondmd.o, as appropriate. Remove
5460 insn-constants.h from $(simple_generated_h) and insn-conditions.c
5461 from $(simple_generated_c). For all files remaining in those
5462 two lists, add insn-conditions.md to the generator command line.
5463 Give insn-constants.h/s-constants their own rules. Add rules
5464 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
5465 (build/read-rtl.o): Depend on gensupport.h.
5466 (genprognormal): Include preds.
5467 (genprogearly): Rename genprognoprint; only difference is now that
5468 they don't link with $(BUILD_PRINT).
5469 * dummy-conditions.c: Delete.
5471 2006-01-22 Zack Weinberg <zackw@panix.com>
5473 * genextract.c: Don't include insn-config.h. Do include vec.h.
5474 Declare vectors of int, char, and locstr.
5475 (locstr): New typedef.
5476 (struct extraction): Make all array fields into bare pointers.
5477 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
5478 (insn_code_number): Delete.
5479 (accum_extract): New struct.
5480 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
5481 (gen_insn): Take insn_code_number as an argument. Use an
5482 accum_extract structure instead of loading data directly into
5483 a struct extraction, and having to know how big it might get.
5484 (walk_rtx): Operate entirely on an accum_extract structure.
5485 (print_path): Avoid unnecessary use of printf.
5486 (print_header): New function, split out of main. Distinguish
5487 more carefully between an unrecognizable insn and an insn that
5488 has the code number of a define_expand.
5489 (main): Pass insn_code_number to gen_insn. Call print_header
5490 only after parsing. Avoid unnecessary use of printf.
5491 * Makefile.in (build/vec.o): New rule.
5492 (build/genextract): Depend on build/vec.o.
5493 (build/genextract.o): Don't depend on insn-config.h.
5495 2006-01-22 Zack Weinberg <zackw@panix.com>
5497 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
5498 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
5499 practical. Eliminate per-generator-program link rules.
5501 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
5504 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
5505 with a call expr to ...
5506 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
5508 2006-01-23 Richard Guenther <rguenther@suse.de>
5510 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
5511 before make_edge with conditional EDGE_TRUE_VALUE.
5513 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
5514 Jan Hubicka <jh@suse.cz>
5515 Richard Guenther <rguenther@suse.de>
5517 PR rtl-optimization/25654
5518 * cfgexpand.c (aggregate_contains_union_type): New function.
5519 (add_alias_set_conflicts): Call it. Make sure to add conflicts
5520 for structure variables that contain a union type.
5522 2006-01-23 Richard Sandiford <richard@codesourcery.com>
5524 * gengtype.c (new_structure): Return the structure.
5525 (create_option): Add an extra "next" argument.
5526 (create_field): New function.
5527 (adjust_field_rtx_def): Use create_option and create_field.
5528 Remove a now-unnecessary call to find_structure.
5529 (adjust_field_tree_def): Likewise.
5530 (note_yacc_type): Remove an unnecessary call to find_structure.
5531 * gengtype.h (new_structure): Return the structure.
5532 (create_option): Add an extra argument.
5533 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
5534 (option): Adjust calls to create_option.
5536 2006-01-22 David Edelsohn <edelsohn@gnu.org>
5538 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
5540 2006-01-22 Paul Brook <paul@codesourcery.com>
5541 Peter Barada <peter@the-baradas.com>
5543 * config/m68k/m68k.md: Add Coldfire FPU support.
5544 Define FP mode macro and associated attributes.
5545 Use it for float mode patterns.
5546 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
5547 (LIBCALL_VALUE): Use m68k_libcall_value.
5548 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
5549 (m68k_function_value): Ditto.
5550 (emit_move_sequence): Ditto.
5551 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
5552 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
5553 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
5554 (MULTILIB_EXCEPTIONS): Ditto.
5555 * config/m68k/m68k.opt: Add mcfv4e.
5556 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
5557 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
5558 (m68k_output_function_prologue): Save ColdFire FPU registers.
5559 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
5560 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
5561 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
5562 ColdFire FPU registers.
5563 (m68k_libcall_value, m68k_function_value): New functions.
5564 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
5565 (LIBCALL_VALUE): Use m68k_libcall_value.
5566 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
5567 (MASK_COLDFIRE): Add MASK_CFV4E.
5568 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
5569 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
5570 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
5571 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
5572 (GO_IF_LEGITIMATE_ADDRESS): Use it.
5573 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
5574 * doc/invoke.tex: Document -mcfv4e on m68k.
5576 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
5578 * doc/contribute.texi: Change CVS to SVN and update the corresponding
5581 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
5584 * c-opts.c (c_common_handle_option): Don't include
5585 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
5586 * doc/invoke.texi (C++ Dialect Options): Document that
5587 -Wnon-virtual-dtor is no longer included in -Wall.
5589 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
5591 * gcov.c (print_version), gcov-dump.c (print_version),
5592 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
5595 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
5597 * df-scan.c (problem_SCAN): Added NULL reset function.
5598 (df_scan_reset_blocks): Added code to call reset block function
5599 (df_bb_refs_delete) Fixed comment.
5600 (df_insn_refs_delete): Made tolerant of deleting non existent info
5601 for dataflow problems that need to be reset.
5602 * df-core.c (df_set_blocks): Ditto.
5603 * df.h (struct df_problem): Added reset_fun.
5604 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
5605 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
5606 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
5607 functions to clear out all references to def-use or use-def chains.
5609 2006-01-21 Ben Elliston <bje@au.ibm.com>
5611 * varasm.c (assemble_real): Initialise data array.
5613 2006-01-20 Paul Brook <paul@codesourcery.com>
5615 Merge from csl-arm-branch.
5616 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
5617 * config/arm/arm.md (movdi): Force operands[1] to a register
5618 if we have a non-register source.
5619 (*arm_movdi, *movdf_soft_insn): Require that one of the
5620 operands be a register.
5621 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
5622 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
5624 2006-01-20 DJ Delorie <dj@redhat.com>
5626 * varasm.c (initialize_constant_valid_p): Allow pointers
5627 initialized from integer constants of lesser precision.
5628 (output_constant): Allow non-int-sized pointer modes to be
5629 initialized from integer constants.
5631 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
5634 * cppdefault.h (struct default_include): Add multilib flag.
5635 * cppdefault.c (cpp_include_defaults): Set it.
5636 * c.opt (-imultilib): New option.
5637 * c-opts.c (imultilib): New.
5638 (c_common_handle_option): Handle -imultilib.
5639 (c_common_post_options): Likewise.
5640 * c-incpath.c (add_standard_paths, register_include_chains):
5642 * c-incpath.h (register_include_chains): Add extra parameter.
5643 * gcc.c (do_spec_1): Generate -imultilib option.
5644 (The Specs Language): Update %I description.
5645 (process_command): Update copyright notice.
5646 * doc/cppopts.texi (-imultilib): Document.
5647 * doc/invoke.texi (-imultilib): Include in option summary.
5648 (%I): Update specs documentation.
5650 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
5652 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
5654 2006-01-20 Richard Sandiford <richard@codesourcery.com>
5656 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
5659 2006-01-20 Richard Guenther <rguenther@suse.de>
5660 Steven Bosscher <stevenb.gcc@gmail.com>
5662 PR rtl-optimization/24626
5663 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
5664 EDGE_TRUE_VALUE if in RTL mode.
5667 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
5668 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
5670 2006-01-20 Dirk Mueller <dmueller@suse.com>
5673 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
5674 instead of a special NOP marker.
5675 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
5676 NOP marker handling.
5677 * c-common.h (empty_body_warning): Add forward declaration.
5678 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
5679 Now uses IS_EMPTY_STMT() instead of special NOP markers.
5681 2006-01-20 Paul Brook <paul@codesourcery.com>
5683 * Makefile.in (lang_checks): Keep going if mkdir fails.
5685 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
5687 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
5688 be able to clean out basic block when not necessary.
5689 (df_scan_free): Fixed to properly delete information if df is
5690 unused before calling df_finish.
5691 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
5692 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
5694 (df_bb_refs_delete): New function.
5695 (df_refs_delete): Moved per block code to df_bb_refs_delete.
5696 * df-core.c (df_set_blocks): Added code to properly clean out
5697 unused blocks if they are not part of the blocks to consider.
5698 Added additional null check.
5699 (df_compact_blocks): Added basic block parameter to free_bb_fun to
5700 be able to clean out basic block when not necessary
5701 * df.h (df_free_bb_function): Ditto.
5702 (df_bb_refs_delete): New function.
5703 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
5704 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
5705 basic block parameter to be able to clean out basic block when not
5707 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
5708 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
5709 Fixed to properly delete information if df is unused before
5712 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
5714 PR rtl-optimization/25799
5715 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
5716 Corrected confluence operator to remove bits from op2 before oring
5717 with op1 rather than removing bits from op1.
5718 (df_ru_transfer_function): Corrected test on wrong bitmap which
5719 caused infinite loop. Both of these problems were introduced in
5720 the dataflow rewrite.
5722 2006-01-19 DJ Delorie <dj@redhat.com>
5724 * reload1.c (find_reload_regs): Note the details of reload
5725 failures in the dump file.
5726 (spill_failure): Likewise.
5728 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
5730 * loop-iv.c: Include df.h and hashtab.h.
5731 (enum iv_grd_result): New enum.
5732 (DF_REF_IV, DF_REF_IV_SET): New macros.
5733 (struct biv_entry): New.
5734 (df, bivs): New global variables.
5735 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
5736 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
5738 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
5739 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
5740 analyzed_for_bivness_p, record_biv): New functions.
5741 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
5742 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
5743 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
5745 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
5747 (iv_number_of_iterations): Use new interface to iv analysis.
5748 * loop-unroll.c: Do not include varray.h.
5749 (analyze_iv_to_split_insn): Use new interface to iv
5751 * loop-unswitch.c (may_unswitch_on): Ditto.
5752 * df.c (df_bitmaps_free): Only work for bbs for that structures are
5754 (df_bb_modify): Realloc tables to the new index.
5755 (df_find_use): New function.
5756 * df.h (df_find_use): Declare.
5757 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
5759 * cfgloop.h (struct rtx_iv): Remove analysed field.
5760 (iv_get_reaching_def): Removed.
5761 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
5762 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
5763 (loop-iv.o): Add df.h and hashtab.h dependency.
5764 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
5766 2006-01-20 Alan Modra <amodra@bigpond.net.au>
5769 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
5771 (__floatundisf, __floatundidf): Likewise.
5772 * libgcc2.h (IS_IBM_EXTENDED): Define.
5774 2006-01-19 DJ Delorie <dj@redhat.com>
5776 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
5778 2006-01-19 Paul Brook <paul@codesourcery.com>
5780 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
5781 as nothrow when unwinding tables are disabled.
5783 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5786 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
5787 of bit-field" when in system header.
5789 2006-01-19 DJ Delorie <dj@redhat.com>
5791 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
5792 the 16 bit shift limit of the m16c.
5794 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
5797 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
5798 * config/i386/i386.c (output_set_got): Output the label if we have one
5799 for the TARGET_DEEP_BRANCH_PREDICTION case.
5801 2006-01-19 Jan Hubicka <jh@suse.cz>
5802 H.J. Lu <hongjiu.lu@intel.com>
5803 Evandro Menezes <evandro.menezes@amd.com>
5805 * invoke.texi (generic): Document
5807 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
5808 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
5809 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
5810 (x86_use_incdec, x86_pad_returns): New variables
5811 (TARGET_CPU_DEFAULT_generic): New constant
5812 (TARGET_CPU_DEFAULT_NAMES): Add generic.
5813 (enum processor_type): Add generic32 and generic64.
5814 * i386.md (cpu attribute): Add generic32/generic64
5815 (movhi splitter): Behave sanely when both partial_reg_dependency and
5816 partial_reg_stall are set.
5817 (K8 splitters): Enable for generic as well.
5818 * predicates.md (incdec_operand): Use TARGET_INCDEC
5819 (aligned_operand): Avoid memory mismatch stalls.
5820 * athlon.md: Enable for generic64, new patterns for 128bit moves.
5821 * ppro.md: Enable for generic32
5822 * i386.c (generic64_cost, generic32_cost): New.
5823 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
5824 (x86_use_leave): Enable for generic64. (x86_use_sahf,
5825 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
5826 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
5827 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
5828 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
5829 x86_partial_reg_dependency, x86_memory_mismatch_stall,
5830 x86_accumulate_outgoing_args, x86_prologue_using_move,
5831 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
5832 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
5834 (x86_use_incdec, x86_pad_returns): New.
5835 (override_options): Add generic32 and generic64, translate "generic"
5836 to generic32/generic64 and "i686" to "generic32", refuse
5837 "generic32"/"generic64" as arch target.
5838 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
5839 (ix86_reorg): Honor PAD_RETURNS.
5841 2006-01-19 Diego Novillo <dnovillo@redhat.com>
5843 * tree-pretty-print.c (dump_generic_node): Handle
5844 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
5845 * cgraph.c (cgraph_expand_queue): Rename from
5846 cgraph_analyze_queue. Update all users.
5847 * cgraphunit.c (cgraph_assemble_pending_functions): Process
5848 cgraph_expand_queue.
5849 (cgraph_expand_all_functions): Likewise.
5850 (cgraph_finalize_pending_functions): Remove. Update callers.
5852 * tree.h (OMP_DIRECTIVE_P): Define.
5853 (OMP_PARALLEL_FN): Define.
5854 (OMP_PARALLEL_DATA_ARG): Define.
5855 (OMP_SECTIONS_SECTIONS): Define.
5856 * tree-pass.h (pass_expand_omp): Declare.
5857 * omp-low.c (struct omp_region): Declare.
5858 (struct omp_context): Remove fields 'parallel_type',
5859 'parallel_start_ix' and 'parallel_start_additional_args'.
5861 (struct omp_for_data): Rename from struct expand_omp_for_data.
5862 (omp_regions): New static variable.
5863 (root_omp_region): New static variable.
5864 (find_omp_clause): Make static.
5865 (is_in_combined_parallel_ctx): Remove.
5866 (is_combined_parallel): New.
5867 (extract_omp_for_data): Move earlier in the file.
5868 (workshare_safe_to_combine_p): New.
5869 (get_ws_args_for): New.
5870 (determine_parallel_type): Move earlier in the file.
5871 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
5873 (omp_copy_decl): Likewise.
5874 (create_omp_child_function): Likewise.
5875 (lookup_omp_region): New.
5876 (dump_omp_region): New.
5877 (debug_omp_region): New.
5878 (debug_all_omp_regions): New.
5879 (new_omp_region): New.
5880 (scan_omp_parallel): If parallel_nesting_level > 1, the
5881 directive is nested within another parallel directive.
5882 Set OMP_PARALLEL_FN.
5883 (scan_omp_for): Do not try to handle combined parallel+for
5885 Remove FIXME comment.
5886 (scan_omp_nested): Remove.
5887 (scan_omp_1): Do not call scan_omp_nested when
5888 parallel_nesting_level is > 1.
5889 Do not change the DECL_CONTEXT of local variables found.
5890 (lookup_decl_in_outer_ctx): New.
5891 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
5892 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
5893 (lower_reduction_clauses): Rename from expand_reduction_clauses.
5894 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
5895 If CTX is nested, lookup VAR in the outer context when
5896 building copy assignment.
5897 (lower_send_clauses): Rename from expand_send_clauses.
5898 If CTX is nested, lookup VAR in the outer context when
5899 building copy assignments.
5900 (lower_send_shared_vars): Rename from expand_send_shared_vars.
5901 If CTX is nested, lookup VAR in the outer context when
5902 building copy assignments.
5903 (expand_parallel_call): Rename from build_parallel_call.
5904 Handle combined parallel+workshare cases.
5905 Re-implement to emit code into the CFG.
5907 (expand_omp_parallel): Re-implement to emit code into the CFG.
5908 Call move_sese_region_to_fn to outline the sub-graph
5909 containing the parallel region.
5910 (expand_omp_for_1): Remove.
5911 (expand_omp_for_generic): Re-implement to emit code into the
5913 (expand_omp_for_static_nochunk): Likewise.
5914 (expand_omp_for_static_chunk): Likewise.
5915 (expand_omp_for): Likewise.
5916 (expand_omp_sections): Likewise.
5917 (remove_exit_barriers): New.
5918 (expand_omp_synch): New.
5920 (build_omp_regions_1): New.
5921 (build_omp_regions): New.
5922 (execute_expand_omp): New.
5923 (gate_expand_omp): New.
5924 (pass_expand_omp): Define.
5925 (lower_omp_sections): Rename from expand_omp_sections.
5926 Set OMP_SECTIONS_SECTIONS.
5927 (lower_omp_single_simple): Rename from expand_omp_single_simple.
5928 (lower_omp_single_copy): Rename from expand_omp_single_copy.
5929 (lower_omp_single): Rename from expand_omp_simple.
5930 (lower_omp_master): Rename from expand_omp_master.
5931 (lower_omp_ordered): Rename from expand_omp_ordered.
5932 (lower_omp_critical): Rename from expand_omp_critical.
5933 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
5934 (lower_omp_for): Re-implement.
5935 (lower_omp_parallel): Re-implement.
5936 (lower_regimplify): Rename from expand_regimplify.
5937 (lower_omp_1): Rename from expand_omp_1.
5938 If there are syntax errors in the program, replace every
5939 OpenMP directive with NOP.
5940 Call lower_omp_* instead of expand_omp_*.
5941 (lower_omp): Rename from expand_omp.
5943 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
5944 * tree-gimple.h (enum omp_parallel_type): Remove.
5945 (gimple_boolify): Declare extern.
5946 (find_omp_clause, determine_parallel_type): Remove.
5948 * gimple-low.c (lower_omp_directive): New.
5949 (lower_stmt): Call it.
5950 (record_vars_into): Move from ...
5951 (record_vars): ... here.
5952 Call record_vars_into with current_function_decl.
5954 * gimplify.c (struct gimplify_ctx): Remove fields
5955 combined_pre_p and combined_ctxp. Update users.
5956 (get_formal_tmp_var): Add documentation.
5957 (gimple_boolify): Make extern.
5958 (gimplify_expr_in_ctx): Remove. Update callers.
5959 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
5960 will always be a BIND_EXPR.
5961 (gimplify_expr): Handle OMP_RETURN_EXPR.
5962 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
5963 (OMP_PARALLEL): Add 3 operands.
5964 (OMP_SECTIONS): Add 1 operand.
5965 (OMP_RETURN_EXPR): Define.
5967 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
5968 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
5969 * tree-iterator.c (alloc_stmt_list): Assert that we are not
5970 creating a circular free list.
5971 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
5973 * tree-flow.h (move_sese_region_to_fn): Declare.
5974 (record_vars_into): Declare.
5975 * tree-cfg.c (make_omp_sections_edges): New.
5976 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
5977 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
5978 OMP_SECTIONS and OMP_SECTION.
5979 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
5980 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
5981 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
5982 (gather_blocks_in_sese_region): New.
5983 (struct move_stmt_d): Declare.
5985 (move_block_to_fn): New.
5986 (move_sese_region_to_fn): New.
5988 * passes.c (init_optimization_passes): Schedule
5989 pass_expand_omp after pass_init_datastructures.
5991 * tree-ssa-operands.c (get_expr_operands): Handle
5992 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
5993 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
5995 2006-01-19 Jeff Law <law@redhat.com>
5997 * tree-vrp.c (extract_range_from_assert): Refine the result range
5998 if the variable referenced by the ASSERT_EXPR has a range and
5999 either the tentative result range or the previous range is a
6002 2006-01-19 Richard Sandiford <richard@codesourcery.com>
6004 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
6006 2006-01-19 Jan Hubicka <jh@suse.cz>
6008 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
6010 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
6012 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
6013 (expand_compound_operation, expand_field_assignment): Fail if the
6014 bit lengths of an extract operation are out of range.
6015 (make_extraction): Compute wanted_inner_mode based on the position
6016 and length of the extraction. Make it extraction_mode for non-constant
6017 positions, and do not modify offset in that case. When generating a
6018 new MEM, use a mode that can hold the extraction while keeping correct
6019 alignment. Remove code that supported MEMs wrapped by USEs.
6020 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
6022 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
6024 * config/s390/s390.md ("Y", "y"): New mode attribute.
6025 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
6026 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
6027 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
6028 "*addsi3_imm_cc", "*addsi3_carry1_cc",
6029 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
6030 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
6031 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
6032 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
6033 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
6034 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
6035 "addsi3", "subsi3"): Insn patterns removed.
6036 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
6037 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
6038 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
6039 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
6040 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
6041 "*sub<mode>3_cconly2"): New insn patterns.
6042 ("addsi3", "subsi3"): New expanders.
6044 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
6046 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
6047 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
6048 existing STMT_VINFO_VECTYPE if available.
6049 (vect_mark_relevant): Add special handling for stmts that are
6050 marked as STMT_VINFO_IN_PATTERN_P.
6051 (vect_analyze_loop): Call vect_pattern_recog.
6052 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
6053 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
6055 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
6056 (vect_recog_func_ptr): New function-pointer type.
6057 * tree-vect-patterns.c: New file.
6058 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
6059 (vect_recog_dot_prod_pattern, vect_pattern_recog):
6060 (vect_pattern_recog_1): New functions.
6061 (vect_pattern_recog_funcs): New array of function pointers.
6063 * tree-vectorizer.h (ternary_op): New enum value.
6064 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
6065 declaration. Revised documentation. Removed redundant dump prints.
6066 Removed redundant argument. Added support for reduction patterns.
6067 (vectorizable_reduction): Added support for reduction patterns.
6068 (vect_transform_stmt): Added support for patterns.
6070 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
6071 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
6072 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
6073 (expand_widen_pattern_expr): New function.
6074 (init_optabs): Initialize new optabs udot_prod_optab,
6076 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
6077 (sdot_prod_optab, udot_prod_optab): Define new optabs.
6078 (expand_widen_pattern_expr): New function declaration.
6079 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
6081 * tree-inline.c (estimate_num_insns_1): Added cases for new
6082 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
6083 * tree-pretty-print.c (dump_generic_node): Likewise.
6084 (op_prio): Likewise.
6085 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
6086 * tree-ssa-operands.c (get_expr_operands): Added case for
6088 * tree-vect-patterns.c (widened_name_p): New function.
6089 (vect_recog_dot_prod_pattern): Added function implementation.
6090 * tree-vect-transform.c (get_initial_def_for_reduction): Added
6091 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
6092 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
6093 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
6095 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
6096 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
6097 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
6098 (init_optabs): Initialize new optabs widen_ssum_optab,
6100 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
6101 (widen_ssum_optab, widen_usum_optab): Define new optabs.
6102 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
6103 use instead of type of def.
6104 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
6105 function implementation.
6106 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
6107 widen_ssumv8hi): New.
6109 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
6112 2006-01-19 Richard Sandiford <richard@codesourcery.com>
6115 * c-decl.c (add_flexible_array_elts_to_size): New function.
6116 (finish_decl): Use it.
6118 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
6120 * diagnostic.h: Include options.h.
6121 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
6122 dependancies for diagnostic.h.
6123 * Makefile.in (DIAGNOSTIC_H): Add options.h.
6125 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
6127 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
6128 (ssa_ro_call_cache_valid): Ditto.
6129 * tree-ssa-alias.c (sort_tags_by_id): New function.
6130 (init_transitive_clobber_worklist): Ditto.
6131 (add_to_worklist): Ditto.
6132 (mark_aliases_call_clobbered): Ditto.
6133 (compute_tag_properties): Ditto.
6134 (set_initial_properties): Ditto.
6135 (compute_call_clobbered): Ditto.
6136 (compute_may_aliases): Call compute_call_clobbered and grouping.
6137 (compute_flow_sensitive_aliasing): Remove clobbering related code.
6138 (compute_flow_insensitive_aliasing): Grouping now happens in our
6140 (setup_pointers_and_addressables): Remove clobbering related code.
6141 (add_may_alias): Ditto.
6142 (replace_may_alias): Ditto.
6143 (get_nmt_for): Ditto.
6144 (create_global_var):
6145 (is_escape_site): Return an escape_type enumeration.
6146 * tree-flow-inline.h (is_call_clobbered): Global var does not
6147 imply call clobbered.
6148 (mark_call_clobbered): Take a reason for marking this. Remove
6149 marking of globalness, and cache invalidation.
6150 (clear_call_clobbered): Remove cache invalidation code.
6151 * tree-dfa.c (dump_variable): If details is on, dump the reason
6153 * tree-outof-ssa.c (create_temp): Copy escape mask from original
6155 * tree-flow.h (struct ptr_info_def): Add escape mask member.
6156 (struct var_ann_d): Ditto.
6157 (enum escape_type): New.
6158 (mark_call_clobbered): Adjust prototype.
6159 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
6160 are never call clobbered.
6161 Record reasons for escaping.
6162 * tree-ssa-structalias.h (is_escape_site): Update prototype.
6163 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
6164 (ssa_ro_call_cache_valid): Ditto.
6165 (clobbered_v_may_defs): Ditto.
6166 (clobbered_vuses): Ditto.
6167 (ro_call_vuses): Ditto.
6168 (clobber_stats): New.
6169 (init_ssa_operands): Zero out clobber stats.
6170 (fini_ssa_operands): Print out clobber stats.
6171 (get_call_expr_operands): Pass callee fndecl to
6173 (add_call_clobber_ops): Remove use of cache.
6174 Add use of PURE_CONST information.
6175 (add_call_read_ops): Remove use of cache.
6176 Add use of static not_read information.
6178 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
6180 Introduce TLS descriptors for i386 and x86_64.
6181 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
6182 (TARGET_ANY_GNU_TLS): New macro.
6183 (enum tls_dialect): Added TLS_DIALECT_GNU2.
6184 (struct machine_function): Add tls_descriptor_call_expanded_p.
6185 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
6186 (ix86_current_function_calls_tls_descriptor): Likewise.
6187 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
6188 (override_options): Introduce gnu2 tls dialect.
6189 (ix86_frame_pointer_required): Functions containing TLSCALLs are
6191 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
6193 (legitimize_tls_address): Adjust logic for GNU2 TLS.
6194 (ix86_init_machine_status): Initialize new field.
6195 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
6196 (ix86_tls_module_base): New.
6197 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
6198 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
6199 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
6200 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
6201 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
6202 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
6203 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
6204 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
6205 * config/i386/predicates.md (tls_modbase_operand): New.
6206 (tp_or_register_operand): New.
6208 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
6210 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
6211 (look_for_address_of): Ditto.
6212 (ipa_init): Walk the function decls.
6213 (static_execute): Don't set readonly on FUNCTION_DECL's.
6215 2006-01-18 Roger Sayle <roger@eyesopen.com>
6217 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
6218 for shifts where the source and destination registers are different.
6220 2006-01-18 Paul Brook <paul@codesourcery.com>
6222 Merge from csl-arm-branch.
6223 2005-03-14 Julian Brown <julian@codesourcery.com>
6224 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
6225 (aeabi_llsl): Likewise.
6226 (ashrdi3): Likewise.
6227 (aeabi_lasr): Likewise.
6228 (lshrdi3): Likewise.
6229 (aeabi_llsr): Likewise.
6230 2005-03-10 Julian Brown <julian@codesourcery.com>
6231 * config.gcc: Disable shared libgcc for SymbianOS.
6232 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
6234 2006-01-18 DJ Delorie <dj@redhat.com>
6236 * c-pragma.c (handle_pragma_diagnostic): New.
6237 (init_pragma): Register it.
6238 * doc/extend.texi: Document it.
6240 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
6241 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
6242 (diagnostic_context): Add classify_diagnostic[].
6243 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
6244 as errors if they're overridden to DK_WARNING.
6245 (diagnostic_initialize): Initialize classify_diagnostic[].
6246 (diagnostic_set_kind_override): New.
6247 (diagnostic_report_diagnostic): Check for kind changes.
6248 * opts.c (common_handle_option): Take lang_mask. Update callers.
6250 * common.opt (Werror=): New.
6251 * doc/invoke.texi: Document -Werror=*
6253 2006-01-18 Jeff Law <law@redhat.com>
6255 * tree-vrp.c (test_for_singularity): Correct test for new
6256 min limit. Use operand_equal_p rather than pointer equality
6257 for testing if new min/max values are equal.
6259 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
6260 using range information until after propagation and folding.
6262 2006-01-18 Richard Henderson <rth@redhat.com>
6263 Aldy Hernandez <aldyh@redhat.com>
6264 Jakub Jelinek <jakub@redhat.com>
6265 Diego Novillo <dnovillo@redhat.com>
6267 * omp-low.c: New file.
6268 * c-omp.c: New file.
6270 2006-01-18 Richard Henderson <rth@redhat.com>
6271 Jakub Jelinek <jakub@redhat.com>
6272 Diego Novillo <dnovillo@redhat.com>
6274 * doc/invoke.texi: Document -fopenmp.
6275 * tree-dump.h (debug_function): Declare.
6276 * hooks.c (hook_bool_tree_bool_false): New function.
6277 (hook_tree_tree_null): Remove.
6278 (hook_tree_tree_tree_null): New.
6279 * hooks.h: Update to match.
6280 * tree-pretty-print.c (debug_tree_chain): New.
6281 (print_generic_expr): Handle TDF_CHAIN.
6282 (dump_generic_node): Handle BLOCK.
6283 Do not abort with incomplete SWITCH_EXPRs.
6284 Do not dump body of an OpenMP directive if TDF_SLIM is given.
6285 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
6286 print space after directive name.
6287 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
6288 Handle OMP_MASTER and OMP_ORDERED.
6289 Handle printing of OMP_BODY just in one place, goto
6290 dump_omp_body in the rest of OMP_* nodes that have
6292 Don't handle clause nodes here. Update omp statements to
6293 use dump_omp_clauses.
6294 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
6295 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
6296 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
6297 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
6298 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
6299 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
6300 Adjust output for GOMP_PARALLEL.
6301 (dump_omp_clauses): New.
6302 (print_declaration): Dump DECL_VALUE_EXPR.
6303 (op_symbol_1): Split out of op_symbol.
6304 (dumping_stmts): Remove. Update all users.
6305 * cgraph.c (cgraph_analyze_queue): New.
6306 (cgraph_add_new_function): New.
6307 * cgraph.h (cgraph_analyze_queue): Declare.
6308 (cgraph_add_new_function): Declare.
6309 (cgraph_lower_function): Remove.
6310 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
6311 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
6312 and TYPE_P nodes in its default clause.
6313 (empty_body_p): New.
6314 (tree_range_check_failed): New.
6316 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
6317 OMP_CLAUSE_REDUCTION_MERGE,
6318 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
6319 OMP_CLAUSE_PRIVATE_DEBUG,
6320 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
6321 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
6322 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
6323 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
6324 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
6325 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
6326 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
6327 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
6328 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
6329 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
6330 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
6331 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
6332 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
6333 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
6334 (TREE_RANGE_CHECK): New.
6335 (empty_body_p): Declare.
6336 (enum omp_clause_default_kind): New.
6337 (build_string_literal): Declare.
6338 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
6339 (build5_stat, build5): Declare.
6340 * tree-pass.h (TDF_CHAIN): Define.
6341 * tree-pass.h (PROP_gimple_lomp): Define.
6342 (pass_lower_omp): Declare.
6343 * diagnostic.h (debug_tree_chain): Declare.
6344 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
6346 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
6347 * builtins.c (build_string_literal): Make extern.
6348 * gcc.c (include_spec_function): New.
6349 (static_spec_functions): Add it.
6350 (main): Move load of libgomp.spec ...
6351 (LINK_COMMAND_SPEC): ... here.
6352 (link_gomp_spec): New.
6353 (static_specs): Include it.
6354 (LINK_COMMAND_SPEC): Add link_gomp.
6355 (GOMP_SELF_SPECS): New.
6356 (driver_self_specs): Include it.
6357 (switch_matches): Don't mark inline.
6358 (main): Load libgomp.spec.
6359 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
6360 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
6361 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
6362 * tree-gimple.h (enum omp_parallel): Declare.
6363 (determine_parallel_type): Declare.
6364 (omp_firstprivatize_variable): Declare.
6365 (omp_reduction_init): Declare.
6366 (diagnose_omp_structured_block_errors): Declare.
6367 (struct walk_stmt_info): Add want_return_expr.
6368 (struct walk_stmt_info): Add want_bind_expr, want_locations.
6369 (find_omp_clause): Declare.
6370 (insert_field_into_struct): Declare.
6371 (struct walk_stmt_info): Move from tree-nested.c
6372 (walk_stmts): Declare.
6373 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
6375 * cgraphunit.c (cgraph_lower_function): Make static.
6376 (cgraph_finalize_pending_functions): New.
6377 (cgraph_finalize_function): Call it.
6378 (cgraph_finalize_compilation_unit): Likewise.
6379 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
6380 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
6381 (BT_FN_UINT_UINT): New.
6382 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
6383 DEF_FUNCTION_TYPE_VAR_4): Document.
6384 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
6385 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
6386 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
6387 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
6388 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
6389 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
6390 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
6391 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
6392 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
6393 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
6394 into separate files.
6395 (DEF_GOMP_BUILTIN): New.
6396 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
6397 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
6398 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
6399 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
6400 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
6401 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
6402 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
6403 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
6404 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
6405 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
6406 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
6407 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
6408 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
6409 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
6410 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
6411 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
6412 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
6413 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
6414 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
6415 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
6416 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
6417 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
6418 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
6419 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
6420 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
6421 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
6422 * sync-builtins.def: New file, moved from builtins.def.
6423 * omp-builtins.def: New file, moved from builtins.def.
6424 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
6425 * gimple-low.c (lower_function_body): Clear data.
6426 (lower_stmt): Do not handle COMPOUND_EXPR.
6427 Remove call to print_node_brief.
6428 * c-tree.h (c_finish_omp_clauses): New prototype.
6429 (C_DECL_THREADPRIVATE_P): Define.
6430 (lookup_name_no_remap, c_omp_remap_private): Remove
6431 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
6432 (check_for_loop_decls): Update decl.
6433 (lookup_name_no_remap, c_omp_remap_private): Declare.
6434 (build_indirect_ref, build_modify_expr, pushdecl,
6435 pushdecl_top_level): Move to c-common.h.
6436 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
6437 before the switch, but just in the 2 places that need it.
6438 * c-decl.c (diagnose_mismatched_decls): Do not check for
6439 mismatched thread-local attributes when OLDDECL is marked
6440 threadprivate and NEWDECL has no thread-local attributes.
6441 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
6442 (c_gimple_diagnostics_recursively): Rename from
6443 c_warn_unused_result_recursively. Invoke
6444 diagnose_omp_structured_block_errors.
6445 (check_for_loop_decls): Return a singular decl found.
6446 * langhooks.c (lhd_omp_predetermined_sharing): Return
6447 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
6448 (lhd_omp_firstprivatize_type_sizes): New.
6449 (lhd_omp_assignment): New.
6450 (lhd_omp_predetermined_sharing): New.
6451 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
6452 (struct lang_hooks_for_types): Add
6453 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
6454 omp_predetermined_sharing, omp_disregard_value_expr,
6455 omp_private_debug_clause, omp_clause_default_ctor,
6456 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
6457 (c_finish_omp_clauses): New.
6458 (c_finish_bc_stmt): Diagnose break within omp for.
6459 (c_begin_omp_parallel, c_finish_omp_parallel): New.
6460 (build_unary_op): Return error_mark after reporting
6462 (build_modify_expr): Likewise.
6463 * gimplify.c: Include optabs.h and pointer-set.h.
6464 (enum gimplify_omp_var_data): Declare.
6465 (struct gimplify_omp_ctx): Declare.
6466 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
6468 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
6469 (push_gimplify_context, pop_gimplify_context): Allow nesting.
6470 (splay_tree_compare_decl_uid): New.
6471 (new_omp_context): New.
6472 (delete_omp_context): New.
6473 (gimple_add_tmp_var): Call omp_add_variable.
6474 (gimplify_bind_expr): Likewise.
6475 (gimplify_var_or_parm_decl): If omp_notice_variable returned
6476 true, disregard DECL_VALUE_EXPR on the decl if any.
6477 (gimplify_expr_in_ctx): New.
6478 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
6479 omp_add_variable, omp_notice_variable, omp_is_private
6480 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
6481 gimplify_adjust_omp_clauses, gimplify_omp_parallel
6482 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
6483 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
6484 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
6485 gimplify_omp_atomic): New.
6486 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
6487 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
6488 OMP_CRITICAL and OMP_ATOMIC.
6489 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
6490 * c-pragma.h (enum pragma_kind): Add
6491 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
6492 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
6493 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
6494 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
6495 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
6496 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
6497 PRAGMA_OMP_THREADPRIVATE.
6498 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
6499 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
6500 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
6501 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
6502 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
6503 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
6504 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
6505 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
6506 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
6507 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
6508 * tree-ssa-dce.c (find_control_dependence): Do not assume that
6509 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
6510 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
6512 (struct nesting_info): Add field_map,
6513 suppress_expansion, debug_var_chain.
6514 (create_nesting_tree): Initialize them.
6515 (lookup_field_for_decl): Use field_map.
6516 (get_nonlocal_debug_decl, get_local_debug_decl): New.
6517 (convert_local_omp_clauses): New.
6518 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
6519 (walk_body): Split out of walk_function.
6520 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
6521 (convert_nonlocal_reference): Handle omp statements.
6522 (convert_local_reference): Likewise.
6523 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
6524 (unnest_nesting_tree): New.
6525 (lower_nested_functions): Call it.
6526 (insert_field_into_struct): Make extern.
6527 (struct walk_stmt_info): Move to tree-gimple.h.
6528 (walk_stmts): Make extern.
6529 * omp-builtins.def: New file.
6530 * tree-iterator.c (expr_only): Clarify comment.
6531 * c-common.h (pushdecl_top_level, pushdecl,
6532 build_modify_expr, build_indirect_ref,
6533 c_finish_omp_master, c_finish_omp_critical,
6534 c_finish_omp_ordered, c_finish_omp_barrier,
6535 c_finish_omp_atomic, c_finish_omp_flush,
6536 c_finish_omp_for, c_split_parallel_clauses,
6537 omp_clause_default_kind, c_omp_sharing_predetermined,
6538 c_omp_remap_decl): Declare.
6539 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
6540 (OBJS-common): Add omp-low.o.
6541 (c-omp.o, omp-low.o): Add.
6542 (gimplify.o): Add dependency on $(OPTABS_H).
6543 (GTFILES): Add omp-low.c.
6544 (gt-stringpool.h): Add.
6545 * tree-cfg.c (set_bb_for_stmt): Do not update the
6546 block-to-labels map if we are currently expanding to RTL.
6547 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
6549 Handle IDENTIFIER_NODE.
6550 (tree_verify_flow_info): Do not ICE when emitting error
6551 messages about invalid labels.
6552 (dump_function_to_file): Reset CFUN before emitting the body
6554 (debug_function): New.
6555 * passes.c (init_optimization_passes): Schedule
6557 * langhooks-def.h (lhd_omp_predetermined_sharing,
6558 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
6560 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
6561 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
6562 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
6563 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
6564 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
6565 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
6566 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
6567 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
6568 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
6569 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
6570 (LANG_HOOK_DECLS): Use them.
6572 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
6573 Richard Henderson <rth@redhat.com>
6574 Jakub Jelinek <jakub@redhat.com>
6575 Diego Novillo <dnovillo@redhat.com>
6577 * c-parser.c (pragma_omp_clause): Define.
6578 (c_parser_declaration_or_fndef): Document OpenMP syntax.
6579 (c_parser_compound_statement): Likewise.
6580 (c_parser_statement): Likewise.
6581 (c_parser_pragma): Handle omp pragmas.
6582 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
6583 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
6584 (c_parser_omp_clause_name, check_no_duplicate_clause,
6585 c_parser_omp_variable_list,
6586 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
6587 c_parser_omp_clause_copyprivate,
6588 c_parser_omp_clause_default,
6589 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
6590 c_parser_omp_clause_lastprivate,
6591 c_parser_omp_clause_nowait,
6592 c_parser_omp_clause_num_threads,
6593 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
6594 c_parser_omp_clause_reduction,
6595 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
6596 c_parser_omp_all_clauses, c_parser_omp_structured_block,
6597 c_parser_omp_atomic, c_parser_omp_barrier,
6598 c_parser_omp_critical, c_parser_omp_flush,
6599 c_parser_omp_for_loop, c_parser_omp_for,
6600 c_parser_omp_master, c_parser_omp_ordered,
6601 c_parser_omp_sections_scope, c_parser_omp_sections,
6602 c_parser_omp_parallel, c_parser_omp_single,
6603 c_parser_omp_construct, c_parser_omp_threadprivate): New.
6604 * c-pragma.c (init_pragma): Do omp pragma registration here.
6605 * c.opt (fopenmp): New flag.
6607 2006-01-18 Eric Christopher <echristo@apple.com>
6609 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
6610 * config/darwin.h (GOMP_SELF_SPECS): Define.
6612 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
6614 * rtl.h: Remove the prototype for reg_alloc.
6616 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6619 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
6620 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
6621 sjlj and dwarf2 exception handling.
6622 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
6623 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
6624 * pa/pa.c (function_value): Treat complex and vector types as
6626 (function_arg): Likewise. Only pass scalar floats in the floating
6627 point argument registers.
6628 * pa/t-slibgcc-dwarf-ver: New file.
6629 * pa/t-slibgcc-sjlj-ver: New file.
6630 * pa/t-slibgcc-elf-ver: Delete file.
6632 2006-01-19 Alan Modra <amodra@bigpond.net.au>
6634 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
6635 unlikely_test_section_p test.
6637 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
6639 * mode-switching.c (optimize_mode_switching): Make it static.
6640 * basic-block.h: Remove the prototype for
6641 optimize_mode_switching.
6643 * modulo-sched.c (sms_schedule): Make it static.
6644 * rtl.h: Remove the prototype for sms_schedule.
6646 * postreload-gcse.c (gcse_after_reload_main): Make it static.
6647 * rtl.h: Remove the prototype for gcse_after_reload_main.
6649 * reg-stack.c (reg_to_stack): Make it static.
6650 * rtl.h: Remove the prototype for reg_to_stack.
6652 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
6654 * rtl.h: Remove the prototypes for regrename_optimize and
6655 copyprop_hardreg_forward.
6657 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
6659 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
6660 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
6661 Test against the appropriate null constant for the mode.
6662 If 'fixup_overlap' is true, swap the operands if they overlap.
6663 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
6664 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
6665 alpha_split_tmode_pair and adjust for above change.
6666 * config/alpha/alpha.md (movtf_internal): Adjust call to
6667 alpha_split_tfmode_pair and rely on it to swap the operands.
6668 (movti_internal): New insn and post-reload splitter.
6669 (movti): New expander.
6671 2006-01-18 Philippe De Muyter <phdm@macqel.be>
6673 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
6676 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
6678 * rtlanal.c (global_reg_mentioned_p_1,
6679 global_reg_mentioned_p): Remove.
6680 * rtl.h: Remove the prototype for global_reg_mentioned_p.
6682 * flow.c (initialize_uninitialized_subregs): Make it static.
6683 * rtl.h: Remove the prototype for
6684 initialize_uninitialized_subregs.
6686 * function.c (instantiate_virtual_regs): Make it static.
6687 * function.h: Remove the prototype for
6688 instantiate_virtual_regs.
6690 * regmove.c (regmove_optimize, combine_stack_adjustments):
6692 * rtl.h: Remove the prototypes for regmove_optimize and
6693 combine_stack_adjustments.
6695 2006-01-17 Roger Sayle <roger@eyesopen.com>
6697 * config/i386/i386.c (COSTS_N_BYTES): New macro.
6698 (size_cost): Encode costs in bytes so that a reg-reg addition is
6699 equivalent to COSTS_N_INSNS(1).
6700 (override_options): Use the size_cost.branch_cost as the default
6701 ix86_branch_cost when optimizing for size.
6703 2006-01-18 Ben Elliston <bje@au.ibm.com>
6705 * Makefile.in (D32PBIT_FUNCS): New.
6706 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
6707 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
6708 D64PBIT_FUNCS and D128PBIT_FUNCS.
6709 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
6710 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
6712 (decnumber_dep): Define.
6713 * doc/libgcc.texi (Decimal float library routines): New node.
6714 * config/dfp-bit.h, config/dfp-bit.c: New files.
6716 2006-01-18 Ben Elliston <bje@au.ibm.com>
6718 * expr.c (emit_move_change_mode): Always adjust addresses, not
6719 just during reload. Copy replacements only during reload.
6720 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
6721 emit_move_via_integer.
6723 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
6725 * Makefile.in (check-%, check-consistency): Use $${srcdir}
6726 instead of $(srcdir) and ${srcdir}.
6728 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
6732 * arm.h (struct machine_function): Add pic_reg.
6733 * arm.c (arm_pic_register): Make unsigned.
6734 (arm_override_options): Only set arm_pic_register if
6735 TARGET_SINGLE_PIC_BASE.
6736 (use_return_insn): Only test for a pic register if it is fixed.
6737 (arm_compute_save_reg0_reg12_mask): Likewise.
6738 (thumb_compute_save_reg_mask): Likewise.
6739 (legitimate_pic_operand): Factor out some known invariants.
6740 (legitimize_pic_address): If we don't have a fixed pic register,
6741 then set up a pseudo in the function entry sequence. Handle the
6742 pic base being in a pseudo.
6743 (arm_load_pic_register): Handle the pic register being in a pseudo.
6744 (arm_expand_prologue): Only set up the pic register if it is fixed.
6745 (thumb_expand_prologue): Likewise.
6746 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
6747 (pic_load_addr_based_insn): Likewise.
6748 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
6751 2006-01-18 Ben Elliston <bje@au.ibm.com>
6753 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
6754 decimal float modes for all floating point registers.
6756 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
6757 match_code "mem" with match_test "macho_lo_sum_memory_operand".
6759 2006-01-17 Jakub Jelinek <jakub@redhat.com>
6762 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
6763 even when the pointer is not NULL.
6765 2006-01-16 Ian Lance Taylor <ian@airs.com>
6767 * common.opt (ftoplevel-reorder): New option.
6768 * cgraph.c (cgraph_asm_nodes): New global variable.
6769 (cgraph_asm_last_node): New static variable.
6770 (cgraph_order): New global variable.
6771 (cgraph_create_node): Set new order field.
6772 (cgraph_varpool_node): Likewise.
6773 (decide_is_variable_needed): Return true if not
6774 flag_toplevel_reorder.
6775 (cgraph_add_asm_node): New function.
6776 * cgraph.h (struct cgraph_node): Add order field.
6777 (struct cgraph_varpool_node): Add order field.
6778 (struct cgraph_asm_node): Define.
6779 (cgraph_asm_nodes, cgraph_order): Declare.
6780 (cgraph_add_asm_node): Declare.
6781 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
6783 (cgraph_varpool_assemble_pending_decls): Call it.
6784 (cgraph_output_pending_asms): New static function.
6785 (cgraph_finalize_compilation_unit): Call it.
6786 (struct cgraph_order_sort): Define.
6787 (cgraph_output_in_order): New static function.
6788 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
6789 !flag_toplevel_reorder case.
6790 * c-parser.c: Include "cgraph.h".
6791 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
6793 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
6794 than -fno-unit-at-a-time.
6795 * doc/invoke.texi (Option Summary): Mention
6796 -fno-toplevel-reorder.
6797 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
6798 -funit-at-a-time documentation.
6800 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
6801 Kazu Hirata <kazu@codesourcery.com>
6803 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
6805 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
6807 * Makefile.in (FUNCTION_H): New. Use it instead of
6808 function.h throughout the file.
6809 * function.h: Include tree.h.
6811 2006-01-17 Ben Elliston <bje@au.ibm.com>
6813 * recog.c: Separate some functions with whitespace.
6815 2006-01-16 Richard Henderson <rth@redhat.com>
6817 Merge from gomp branch:
6818 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
6819 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
6820 and rename from struct inline_data. Rename callee* to dst*;
6821 caller* to src*; add copy_decl hook, transform_call_graph_edges,
6822 transform_new_cfg, transform_return_to_modify, and
6823 transform_lang_insert_block flags; remove cloning_p, versioning_p,
6825 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
6826 (copy_decl_for_dup): Remove.
6827 * tree-inline.c (struct inline_data): Move to header.
6828 (insert_decl_map): Export.
6829 (remap_decl): Update for member name changes. Use copy_decl hook.
6830 Allow for replacement to be a non-decl. Remove dead code.
6831 (remap_type_1): Check for existing mapping.
6832 (remap_type): Export.
6833 (remap_decls): Update for member name changes.
6834 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
6835 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
6836 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
6837 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
6838 (tree_function_versioning, build_duplicate_type): Likewise.
6839 (copy_body_r): Likewise. Export.
6840 (copy_decl_for_dup): Split into ...
6841 (copy_decl_for_dup_finish, copy_decl_to_var,
6842 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
6843 (replace_ref_tree, inlining_p): Remove.
6845 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
6847 * ifcvt.c (if_convert): Make it static.
6848 * rtl.h: Remove the prototype for if_convert.
6850 * local-alloc.c (local_alloc): Make it static.
6851 * rtl.h: Remove the prototype for local_alloc.
6853 * loop.c (loop_optimize): Make it static.
6854 * cfgloop.h: Remove the prototype for loop_optimize.
6857 2006-01-16 DJ Delorie <dj@redhat.com>
6859 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
6862 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6864 * pa.md: Disparage copies between general and floating-point registers
6865 in 32-bit move patterns.
6867 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
6870 * Makefile.in (check-%): Depend on site.exp instead of
6871 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
6874 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
6876 * global.c (global_alloc): Make it static.
6877 * rtl.h: Remove the prototype for global_alloc.
6879 2006-01-16 Richard Guenther <rguenther@suse.de>
6881 * tree-ssa-alias.c (struct used_part): Add write_only field.
6882 (get_or_create_used_part_for): Initialize it to true.
6883 (create_overlap_variables_for): Don't create structure variables
6884 for structures that only are written to.
6885 (find_used_portions): Handle MODIFY_EXPR to track whether a
6886 structure is only written to.
6888 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
6890 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
6892 * basic-block.h: Remove the prototype for
6893 partition_hot_cold_basic_blocks.
6895 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
6897 * cppspec.c (lang_specific_spec_functions): Remove.
6898 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
6899 * gcc.h (lang_specific_spec_functions): Remove.
6900 * gccspec.c (lang_specific_spec_functions): Remove.
6902 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
6904 * combine.c (record_value_for_reg): Invalidate registers
6906 (record_dead_and_set_regs_1): Likewise, by passing them to
6907 record_value_for_reg.
6908 (record_dead_and_set_regs): Invalidate stores made by a
6909 call. We do not combine across a call, but we still
6910 relied on equivalences.
6912 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
6914 * tree-vrp.c (extract_range_from_binary_expr): Cope with
6915 vrp_int_const_binop returning non-constant nodes.
6917 2006-01-16 Paul Brook <paul@codesourcery.com>
6919 * config/m68k/m68k.c (output_move_const_into_data_reg):
6920 Output correct mnemonic for mvz and mvs.
6922 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
6924 * rtl-factoring.c: Add sequence abstraction algorithm.
6925 * cfgcleanup.c (outgoing_edges_match): Extra checks.
6926 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
6928 (block_has_preserve_label): New function.
6929 * common.opt: Register new pass.
6930 * Makefile.in: Ditto.
6932 * timevar.def: Ditto.
6933 * tree-pass.h: Ditto.
6934 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
6935 * rtl.h (make_jump_insn_raw): Add forward decl.
6936 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
6938 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
6939 Roger Sayle <roger@eyesopen.com>
6941 * fold-const.c (fold_minmax): New static function.
6942 (fold_binary) <MIN_EXPR>: Call it.
6943 <MAX_EXPR>: Likewise.
6944 * stor-layout.c (place_field): Use DECL_SIZE consistently
6945 in the computation of the new record size.
6947 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
6949 * cse.c (cse_condition_code_reg): Make it static.
6950 * rtl.h: Remove the prototype for cse_condition_code_reg.
6952 * combine.c (combine_instructions): Make it static.
6953 * rtl.h: Remove the prototype for combine_instructions.
6955 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6958 * tree.c (get_file_function_name_long): Concatenate the first global
6959 object name with a string derived from the input filename of the object
6962 2006-01-16 Ben Elliston <bje@au.ibm.com>
6964 * config/i386/winnt-stubs.c: Update FSF address.
6965 * config/xtensa/ieee754-df.S: Ditto.
6966 * config/xtensa/ieee754-sf.S: Ditto.
6968 2006-01-14 Ian Lance Taylor <ian@airs.com>
6970 * ifcvt.c (noce_init_if_info): New static function, broken out of
6971 noce_process_if_block.
6972 (noce_process_if_block): Call noce_init_if_info.
6973 (check_cond_move_block): New static function.
6974 (cond_move_process_if_block): New static function.
6975 (process_if_block): Call cond_move_process_if_block.
6977 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
6979 * cselib.c (hash_table): Rename to cselib_hash_table.
6980 (cselib_clear_table, discard_useless_values,
6981 remove_useless_values, cselib_lookup_mem, cselib_lookup,
6982 cselib_init, cselib_finish): Adjust uses of hash_table.
6984 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
6986 PR tree-optimization/25485
6987 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
6988 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
6989 is known to be false and true, respectively.
6991 2006-01-14 Richard Guenther <rguenther@suse.de>
6993 PR tree-optimization/22548
6994 PR tree-optimization/22555
6995 PR tree-optimization/22501
6996 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
6997 * params.def (salias-max-array-elements): New parameter.
6998 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
6999 * doc/invoke.texi (salias-max-array-elements): Document.
7000 * tree-flow-inline.h (var_can_have_subvars): We also handle
7002 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
7004 * tree-ssa-structalias.c (params.h): Include.
7005 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
7006 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
7007 (get_constraint_for): For ADDR_EXPR operating on something
7008 containing an ARRAY_REF, add all subvars to the solution.
7009 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
7010 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
7011 for creating MUST_DEFs.
7012 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
7014 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
7016 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
7018 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
7019 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7020 number_of_iterations_le): New functions.
7021 (number_of_iterations_special): Removed.
7022 (number_of_iterations_exit): Do not use number_of_iterations_special.
7023 * tree.c (unsigned_type_for): Always return integer type.
7025 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
7026 Richard Guenther <rguenther@suse.de>
7028 PR rtl-optimization/24257
7029 * gcse.c (find_moveable_store): Only consider a store movable
7030 when the SET_SRC of the insn can be assigned to a register.
7032 2006-01-14 Ian Lance Taylor <ian@airs.com>
7034 * tree.c (tree_not_class_check_failed): New function.
7035 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
7036 (tree_not_class_check_failed): Declare.
7038 2006-01-13 Ian Lance Taylor <ian@airs.com>
7040 * reload1.c (do_output_reload): Add assertion rejecting a
7043 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
7045 * combine.c (struct reg_stat): Add new fields truncation_label and
7047 (record_value_for_reg): Reset truncated_to_mode.
7048 (record_truncated_value): New function.
7049 (check_promoted_subreg): Call it. Rename to check_conversions.
7050 (combine_instructions): Rename check_promoted_subreg to
7052 (reg_truncated_to_mode): New function.
7053 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
7054 (gen_lowpart_or_truncate): New function.
7055 (force_to_mode): Use it instead of gen_lowpart.
7057 2006-01-13 Diego Novillo <dnovillo@redhat.com>
7059 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
7060 VAR is a tag, not its type tag.
7062 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
7064 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
7065 alternatives to match style of other entries.
7066 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
7068 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
7070 PR tree-optimization/25771
7071 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
7074 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
7077 * tree-inline.c (declare_return_variable): If the return variable
7078 was marked as a non gimple complex, set the return slot variable
7079 to be a non gimple comple variable.
7081 2006-01-13 Richard Guenther <rguenther@suse.de>
7083 * builtins.c (expand_builtin_sincos): New function.
7084 (expand_builtin_mathfn_3): Remove dead code, sin and cos
7086 (expand_builtin): Expand sincos using expand_builtin_sincos.
7088 2006-01-12 DJ Delorie <dj@redhat.com>
7090 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
7091 shift counts, separate SI shifts for m32c vs m16c, pass shift type
7092 so that constant shifts can be split.
7093 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
7094 (m32c_valid_pointer_mode): Make static.
7095 (shift_gen_func_for): New.
7096 (m32c_prepare_shift): Use it. Split large const shifts into
7098 * config/m32c/predicates.md (shiftcount_operand): Allow more
7100 (longshiftcount_operand): New.
7101 * doc/md.texi (Machine Constraints): Document In6.
7103 2006-01-13 Ben Elliston <bje@au.ibm.com>
7105 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
7106 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
7109 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
7111 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
7112 to try to avoid clobbering pieces of structures when we know
7113 something about the whole structure.
7114 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
7116 2006-01-13 Ben Elliston <bje@au.ibm.com>
7118 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
7119 return in memory, as this is no limitation is no longer present.
7121 2006-01-12 DJ Delorie <dj@redhat.com>
7123 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
7124 mova with fb, and for fb+0 -> An.
7126 * config/m32c/mov.md (peephole2): Fix enabling logic.
7128 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
7129 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
7130 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
7131 FINI_ARRAY_SECTION_ASM_OP): Define.
7133 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
7135 (m32c_legitimize_reload_address): New logic to reload FB to An.
7136 (m32c_output_reg_push): Add newline.
7137 (m32c_output_reg_pop): Likewise.
7139 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
7141 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
7143 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
7145 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
7147 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7149 * config/sh/predicates.md (sh_rep_vec): Add parallel to
7152 2006-01-11 Ben Elliston <bje@au.ibm.com>
7154 * rtlanal.c (find_reg_note): Assert insn is not null.
7156 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
7158 * df-scan.c (df_hard_reg_init): Move declaration of i outside
7161 2006-01-11 Jeff Law <law@redhat.com>
7163 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
7165 (mark_threaded_blocks, register_jump_thread): New functions.
7166 (thread_through_all_blocks): Remove unwanted argument. No
7167 longer rely on e->aux to communicate thread target info.
7168 Call mark_threaded_blocks. Release the threaded_blocks
7169 bitmap and threaded_edges vector when complete.
7170 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
7171 (threaded_blocks): Remove.
7172 (tree_ssa_dominator_optimize): Remove initialization and
7173 finalization of threaded_blocks. Simplify call to
7174 thread_through_all_blocks.
7175 (thread_across_edge): Call register_jump_thread rather than
7176 storing thread information into e->aux.
7177 (free_all_edge_infos): Simplify now that e->aux is no longer
7178 used to communicate with thread_through_all_blocks.
7179 * tree-flow.h (thread_through_all_blocks): Update prototype.
7180 (register_jump_thread): Prototype.
7182 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7184 * df-core.c (df_compact_blocks, df_bb_replace): Use
7185 SET_BASIC_BLOCK instead of BASIC_BLOCK.
7187 2006-01-11 Richard Guenther <rguenther@suse.de>
7189 PR tree-optimization/25734
7190 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
7191 stop propagation after successful propagation to the LHS.
7193 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7195 * basic-block.h (control_flow_graph): Change the type of
7196 x_basic_block_info to VEC(basic_block,gc) *.
7197 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
7199 (SET_BASIC_BLOCK): New.
7200 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
7201 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
7202 * cfgbuild.c (find_basic_blocks): Likewise.
7203 * cfglayout.c (fixup_reorder_chain): Likewise.
7204 * cfgrtl.c (create_basic_block_structure,
7205 rtl_create_basic_block): Likewise.
7206 * ifcvt.c (find_if_case_1): Likewise.
7207 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
7210 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
7212 * Makefile.in: Removed rotted odf.c entry.
7214 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
7217 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
7218 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
7219 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
7220 output pattern modifier, not %e.
7221 * config/cris/cris.c (cris_op_str): Update comment about pattern
7223 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
7224 before falling through into...
7225 <case 'E'>: Redefined from old 'e' case.
7227 2006-01-11 Jan Hubicka <jh@suse.cz>
7230 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
7232 2006-01-11 Jan Hubicka <jh@suse.cz>
7234 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
7235 * i386.c (x86_decompose_lea): Kill.
7236 (ix86_rtx_costs): Kill.
7238 2006-01-11 Jan Hubicka <jh@suse.cz>
7240 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
7241 * cgraph.h (cgraph_node): Add inline_decl.
7242 (cgraph_insert_node_to_hashtable): Declare.
7243 (save_inline_function_body): Declare.
7244 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
7246 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
7247 (cgraph_function_versioning): Update call of tree_function_versioning.
7248 (save_inline_function_body): New function.
7249 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
7250 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
7251 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
7252 (cgraph_default_inline_p): Likewise.
7253 (cgraph_decide_inlining_incrementally): Likewise.
7254 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
7255 (copy_bb): Kill saving; do updating of clones.
7256 (copy_cfg_body): Kill saving.
7257 (initialize_inlined-parameters): Likewise.
7258 (expand_call_inline): Likewise.
7260 (tree_function_versioning): New parameter "update_clones".
7261 (inlining_p): Kill saving.
7262 * tree-inline.h (tree_function_versioning): Update prototype.
7263 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
7266 2006-01-11 Ian Lance Taylor <ian@airs.com>
7268 * combine.c (struct undo): Remove is_int. Enumify types of undos.
7269 Allow undoing set of machine mode.
7270 (do_SUBST): Use enums instead of is_int.
7271 (do_SUBST_MODE): New function.
7272 (SUBST_MODE): New macro.
7273 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
7274 reg and trying to replace reg_regno_rtx with a new register.
7275 (undo_all): Use new enums, handle undoing a PUT_MODE change.
7276 (simplify_set): Use SUBST_MODE.
7277 (distribute_notes): Remove code that tried to update reg notes
7278 for regno_reg_rtx changes.
7280 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
7282 PR tree-optimization/23109
7283 PR tree-optimization/23948
7284 PR tree-optimization/24123
7286 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
7287 * tree-cfg.c (single_noncomplex_succ): New.
7288 * tree-flow.h (single_noncomplex_succ): Declare it.
7289 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
7290 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
7291 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
7292 insert_bb, register_division_in, insert_reciprocals,
7293 replace_reciprocal, free_bb): New.
7294 (execute_cse_reciprocals_1): Rewritten.
7295 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
7296 Do not commit any edge insertion. Always compute dominators and
7297 create the allocation pool.
7298 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
7299 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
7300 * targhooks.c (default_min_divistions_for_recip_mul): New.
7301 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
7302 * passes.c (init_optimization_passes): Run recip after tree loop
7304 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
7306 2006-01-11 Danny Berlin <dberlin@dberlin.org>
7307 Kenneth Zadeck <zadeck@naturalbridge.com>
7309 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
7310 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
7311 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
7312 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
7313 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
7314 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
7315 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
7316 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
7317 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
7318 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
7319 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
7320 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
7321 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
7322 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
7323 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
7324 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
7325 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
7326 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
7327 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
7328 DF_SCAN_POST_ALLOC): New macros.
7329 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
7330 df_free_bb_function, df_local_compute_function, df_init_function,
7331 df_dataflow_function, df_confluence_function_0,
7332 df_confluence_function_n, df_transfer_function,
7333 df_finalizer_function, df_free_function, df_dump_problem_function,
7334 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
7335 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
7336 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
7337 df_urec_bb_info, ) New types.
7338 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
7340 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
7341 df_analyze_simple_change_some_blocks,
7342 df_analyze_simple_change_one_block, df_compact_blocks,
7343 df_bb_replace, df_bb_regno_last_use_find,
7344 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
7345 df_insn_regno_def_p, df_find_def, df_find_use,
7346 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
7347 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
7348 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
7349 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
7350 debug_df_chain, df_get_dependent_problem, df_chain_create,
7351 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
7352 df_grow_bb_info, df_chain_dump, df_print_bb_index,
7353 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
7354 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
7355 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
7356 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
7357 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
7358 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
7359 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
7360 df_ref_remove, df_insn_refs_delete, df_refs_delete,
7361 df_reorganize_refs, df_set_state, df_hard_reg_init,
7362 df_read_modify_subreg_p) New public functions.
7363 * df-core.c: The core dataflow solver and glue routines for rtl
7365 (df_init, df_add_problem, df_set_blocks, df_finish,
7366 df_hybrid_search_forward, df_hybrid_search_backward,
7367 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
7368 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
7369 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
7370 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
7371 df_reg_defined, df_find_use, df_reg_used, df_dump,
7372 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
7373 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
7374 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
7375 debug_df_useno, reset_df_after_reload): New functions.
7376 * df-scan.c: The scanning fuctions, once in df.c, completely
7377 rewritten so that they now fully model the functionality of
7378 register usage at the backend.
7379 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
7380 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
7381 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
7382 df_grow_insn_info, df_rescan_blocks, df_ref_create,
7383 df_get_artificial_defs, df_get_artificial_uses,
7384 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
7385 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
7386 df_refs_delete, df_reorganize_refs, df_set_state,
7387 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
7388 df_def_record_1, df_defs_record, df_uses_record,
7389 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
7390 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
7391 df_record_exit_block_uses, df_hard_reg_init): New functions.
7393 * df-problems.c: Seven concrete dataflow problems that use the
7394 scanning in df-scan.c and are solved by the engine in df-core.c.
7395 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
7396 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
7397 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
7398 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
7399 df_ru_free_bb_info, df_ru_alloc,
7400 df_ru_bb_local_compute_process_def,
7401 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
7402 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
7403 df_ru_transfer_function, df_ru_free, df_ru_dump,
7404 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
7405 df_rd_free_bb_info, df_rd_alloc,
7406 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
7407 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
7408 df_rd_transfer_function, df_rd_free, df_rd_dump,
7409 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
7410 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
7411 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
7412 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
7413 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
7414 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
7415 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
7416 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
7417 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
7418 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
7419 df_urec_mark_reg_change, df_urec_check_earlyclobber,
7420 df_urec_mark_reg_use_for_earlyclobber,
7421 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
7422 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
7423 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
7424 df_urec_dump, df_urec_add_problem, df_chain_alloc,
7425 df_chain_create_bb_process_use, df_chain_create_bb,
7426 df_chain_finalize, df_chain_free, df_chains_dump,
7427 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
7428 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
7429 df_reg_lifetime): New functions.
7430 * df.c: Deleted file.
7431 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
7432 consistent with new df api.
7433 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
7434 rest_of_handle_sms): Ditto.
7435 * web.c (unionfind_union, union_defs, entry_register, web_main):
7437 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
7438 invariant_expr_equal_p, find_defs, check_dependencies,
7439 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
7440 free_inv_motion_data, move_loop_invariants): Ditto.
7441 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
7442 Update dependencies.
7443 (odf.c): Added defective entry that was deleted later in day.
7444 * sched-deps.c (sched_analyze_1): Ditto.
7446 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
7448 * tree-ssa-operands.c (get_expr_operands): Record addressable
7449 variables directly. Do not call add_stmt_operands for CONST_DECLs
7451 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
7452 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
7454 2006-01-11 Ben Elliston <bje@au.ibm.com>
7456 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
7457 function returns true in the positive case.
7459 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7462 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
7463 for SI, DI, SF and DF modes. Add alternatives to copy between
7464 general and floating point registers to the 32-bit patterns.
7465 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
7466 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
7467 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
7468 generating 64-bit code.
7469 * config/pa/pa.c (output_move_double): Handle copies between general
7470 and floating registers.
7472 2006-01-10 Stuart Hastings <stuart@apple.com>
7474 * config/i386/i386.md (set_got): Update.
7475 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
7476 (builtin_setjmp_receiver): Mach-O support.
7477 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
7478 (GOT_SYMBOL_NAME): Define.
7479 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
7480 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
7481 * config/i386/i386.c (override_options): Revise for Darwin.
7482 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
7483 support. (darwin_x86_file_end): New. (output_set_got): Add label
7484 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
7485 * config/i386/i386-protos.h (output_set_got): Likewise.
7486 * config/darwin.c (machopic_legitimize_pic_address): Update
7489 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
7491 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
7492 when MODE isn't BLKmode.
7494 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7496 PR rtl-optimization/25367
7497 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
7499 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
7502 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
7503 for a negative bound.
7505 2006-01-10 Richard Guenther <rguenther@suse.de>
7507 * tree-ssa-structalias.c (get_constraint_for_component_ref):
7508 Never override with anything constraint.
7510 2006-01-10 Jan Beulich <jbeulich@novell.com>
7512 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
7513 256 bits when optimize_size.
7515 2006-01-10 Jan Beulich <jbeulich@novell.com>
7517 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
7519 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
7520 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
7523 2006-01-10 Ben Elliston <bje@au.ibm.com>
7525 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
7527 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
7528 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
7529 (USE_FP_FOR_ARG): Reject decimal float modes.
7530 (function_arg_advance): Likewise.
7531 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
7532 (rs6000_handle_altivec_attribute): Do not permit decimal floating
7533 point types in AltiVec vectors.
7534 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
7535 (rs6000_libcall_value): Likewise.
7537 2006-01-09 Bob Wilson <bob.wilson@acm.org>
7539 * config/xtensa/ieee754-df.S: New file.
7540 * config/xtensa/ieee754-sf.S: New file.
7541 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
7542 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
7543 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
7545 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
7547 * config/sh/predicates.md (binary_float_operator,
7548 binary_logical_operator, commutative_float_operator,
7549 equality_comparison_operator, greater_comparison_operator,
7550 less_comparison_operator, logical_operator,
7551 noncommutative_float_operator, shift_operator,
7552 symbol_ref_operand, unary_float_operator): Remove redundant
7555 2006-01-09 Jeff Law <law@redhat.com>
7557 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
7558 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
7559 now unused arguments. Callers updated.
7560 (eliminate_redundant_computations): Remove now unused arguments,
7562 (local_fold): Remove, no longer used.
7563 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
7565 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
7566 (simplify_cond): New function.
7567 (forward_propagate_into_cond): Call simplify_cond.
7569 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
7571 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
7572 (*vec_extractv2di_1_sse): New.
7574 2006-01-09 Ben Elliston <bje@au.ibm.com>
7576 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
7578 2006-01-08 Richard Guenther <rguenther@suse.de>
7580 * tree-ssa-structalias.c (get_constraint_for): Remove
7582 (get_constraint_for_component_ref): Likewise.
7583 (do_deref): Likewise.
7584 (get_constraint_for): Likewise.
7585 (do_structure_copy): Likewise.
7586 (handle_ptr_arith): Likewise.
7587 (find_func_aliases): Likewise. Remove unused need_anyoffset
7590 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
7591 Kaz Kojima <kkojima@gcc.gnu.org>
7593 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
7594 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
7595 (EXTRA_CONSTRAINT_C16): Remove.
7596 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
7597 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
7598 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
7599 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
7600 constants of SHmedia. Handle nested constant expressions of
7602 (andcosts): Fix the costs for SHmedia constants.
7603 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
7604 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
7605 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
7606 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
7607 (movv4hi_i, movv2si_i): Likewise.
7608 (movsi_const): Adjust the second operand of ior so to match with
7610 (movdi_const, movdi_const_32bit): Likewise.
7611 (movdi_const_16bit+1): Don't sign-extend LOW.
7612 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
7614 (*double_shori): Fix the split condition. Use GEN_INT instead
7615 of get_int_mode calls. Mask lower 16-bit of the argument of
7617 (sym2GOTPLT): Remove.
7618 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
7620 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
7621 instead of EXTRA_CONSTRAINT_C16.
7623 2006-01-07 Ian Lance Taylor <ian@airs.com>
7624 David Edelsohn <edelsohn@gnu.org>
7626 PR rtl-optimization/25662
7627 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
7628 for constant operands instead of simplify_gen_binary.
7629 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
7630 after trying simplify_binary_operation
7632 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
7634 * tree.c (iterative_hash_expr): Hash decls based on UID.
7636 2006-01-06 Eric Christopher <echristo@apple.com>
7638 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
7639 (TARGET_UNWIND_EMIT): Fix spelling.
7640 * target.h (gcc_target): Add except_table_label.
7641 * except.c (output_function_exception_table): Use.
7642 * varasm.c (default_emit_except_table_label): New.
7643 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
7645 (asm_out): Add here.
7646 * output.h (default_emit_except_table_label): Prototype.
7647 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
7648 * config/darwin.c (darwin_emit_except_table_label): Define.
7649 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
7651 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
7653 PR tree-optimization/18527
7654 * tree-ssa-loop-niter.c (number_of_iterations_cond,
7655 number_of_iterations_special, number_of_iterations_exit):
7656 Move base and step of an iv to a single structure. Add
7657 no_overflow flag, and use it in # of iterations analysis.
7658 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
7659 folded_casts argument.
7660 (simple_iv): Pass base and step in a structure. Set no_overflow
7662 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
7663 Evaluate expensiveness of computing # of iterations instead of
7664 the final expression.
7665 * tree-scalar-evolution.h (affine_iv): New structure.
7666 (simple_iv): Declaration changed.
7667 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
7668 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
7669 find_givs_in_stmt): Changed due to simple_iv change.
7671 2006-01-06 Jeff Law <law@redhat.com>
7674 * tree-cfg.c (bsi_replace): Rename final argument from
7675 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
7676 change (stmt -> orig_stmt).
7677 * tree-eh.c (verify_eh_throw_stmt_node): New function.
7678 (bsi_remove): Add new argument. Remove EH information
7680 (verify_eh_throw_table_statements): New function.
7681 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
7683 * tree-optimize.c (execute_free_cfg_annotations): Verify
7684 the EH throw statement table after removing annotations.
7685 * except.h (verify_eh_throw_table_statements): Prototype.
7686 * tree-flow.h (bsi_remove): Update prototype.
7687 * tree-vrp.c (remove_range_assertions): Add new argument to
7689 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
7690 * tree-complex.c (expand_complex_div_wide): Likewise.
7691 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
7692 * tree-tailcall.c (eliminate_tailcall): Likewise.
7693 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
7694 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
7695 * tree-nrv.c (tree_nrv): Likewise.
7696 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
7697 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
7698 (combine_blocks): Likewise.
7699 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
7700 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
7701 (cleanup_control_flow): Likewise.
7702 (remove_forwarder_block): Likewise.
7703 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
7704 * tree-sra.c (sra_replace): Likewise.
7705 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
7706 (forward_propagate_single_use_vars): Likewise.
7707 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
7708 * tree-inline.c (expand_call_inline): Likewise.
7709 * tree-vect-transform.c (vect_transform_loop): Likewise.
7710 * tree-outof-ssa.c (rewrite_trees): Likewise.
7711 * tree-cfg.c (make_goto_expr_edges): Likewise.
7712 (cleanup_dead_labels): Likewise.
7713 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
7714 (bsi_move_before, bsi_move_after): Likewise.
7715 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
7716 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
7718 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
7721 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
7723 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
7724 on non gimple variables. Also add checks at the top for decls and
7726 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
7728 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
7729 and IMAGPART_EXPR for creating MUST_DEFs.
7730 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
7731 and NAME_MEMORY_TAG separately from the DECLs.
7733 2006-01-06 Richard Guenther <rguenther@suse.de>
7735 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
7736 annotation, if necessary.
7737 * tree-ssa-pre.c (create_expression_by_pieces): Remove
7738 redundant calls to update_stmt.
7739 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
7742 2006-01-05 Richard Henderson <rth@redhat.com>
7744 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
7746 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
7748 * c-typeck.c: Update copyright date.
7750 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
7752 * c-typeck.c (build_c_cast): Always warn when casting
7753 from a pointer to an integer of different size, even if
7754 the node was constant.
7756 2006-01-05 Richard Guenther <rguenther@suse.de>
7758 PR tree-optimization/22555
7759 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
7760 if one structure field is an array.
7761 * tree-ssa-operands.c (get_expr_operands): Continue scanning
7762 operands even if we found a subvar, but ignore VOPs in this
7764 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
7766 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
7768 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
7771 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
7773 2006-01-05 Richard Guenther <rguenther@suse.de>
7774 Diego Novillo <dnovillo@redhat.com>
7776 * tree-pass.h (TODO_remove_unused_locals): Define.
7777 * gimple-low.c (expand_var_p, remove_useless_vars,
7778 pass_remove_useless_vars): Remove. Update all users.
7779 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
7780 (remove_unused_locals): New function.
7781 * tree-flow.h (remove_unused_locals): Declare.
7782 * passes.c (execute_todo): Call remove_unused_locals if
7783 TODO_remove_unused_locals is set.
7784 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
7785 * tree-ssa-dce.c (pass_dce): Likewise.
7786 * tree-outof-ssa.c (pass_del_ssa): Likewise.
7788 2006-01-05 Richard Guenther <rguenther@suse.de>
7790 * tree-flow.h (struct fieldoff): Decompose field to
7791 type, size and decl.
7792 * tree-ssa-alias.c (create_sft): Take type as parameter.
7793 (create_overlap_variables_for): Store type, size and decl
7794 in the fieldoff structure.
7795 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
7797 (push_fields_onto_fieldstack): Likewise.
7798 (create_variable_info_for): Likewise. Use offset for the
7799 SFT name if the decl is not available.
7801 2006-01-04 Paul Brook <paul@codesourcery.com>
7803 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
7805 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
7807 * lambda-code.c (can_put_in_inner_loop): Relax
7809 (can_put_after_inner_loop): New function.
7810 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
7811 (perfect_nestify): Change to make copies and modify uses.
7813 2006-01-04 Richard Henderson <rth@redhat.com>
7815 Merge from gomp branch:
7816 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
7817 via integer constant.
7818 (pragma_lex): Remove.
7819 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
7820 rather than parsing it.
7821 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
7822 handle_pragma_extern_prefix): Add %< %> quotes.
7823 (registered_pragmas): New.
7824 (c_register_pragma_1): New.
7825 (c_register_pragma): Use it.
7826 (c_register_pragma_with_expansion): Likewise.
7827 (c_invoke_pragma_handler): New.
7828 (init_pragma): Use cpp_register_deferred_pragma directly for
7830 * c-pragma.h (enum pragma_kind): New.
7831 (pragma_handler): New.
7832 (c_invoke_pragma_handler): Declare.
7833 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
7835 * c-common.h (c_common_pch_pragma): Update decl.
7836 * Makefile.in (c-parser.o): Update dependencies.
7837 (GTFILES): Add c-pragma.h.
7838 * c-parser.c (struct c_token): Add pragma_kind.
7839 (struct c_parser): Add in_pragma.
7840 (c_lex_one_token): Always initialize keyword and pragma_kind.
7841 Extract data for CPP_PRAGMA.
7842 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
7843 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
7844 Don't allow CPP_PRAGMA_EOL if in_pragma.
7845 (c_parser_consume_pragma): New.
7846 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
7847 (c_parser_skip_to_end_of_parameter): Likewise.
7848 (c_parser_skip_to_end_of_block_or_statement): Likewise.
7849 (c_parser_skip_to_pragma_eol): New.
7850 (c_parser_external_declaration): Handle CPP_PRAGMA.
7851 (c_parser_compound_statement_nostart): Likewise.
7852 (c_parser_statement_after_labels): Likewise.
7853 (c_parser_pragma): New.
7854 (pragma_lex): Likewise.
7855 (c_parser_pragma_pch_preprocess): New.
7856 (c_parser_new): Merge into ...
7857 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
7859 2006-01-04 Jeff Law <law@redhat.com>
7862 * tree-cfg.c (bsi_replace): Remove the original statement
7863 from the EH throw statement table.
7865 2006-01-04 Jakub Jelinek <jakub@redhat.com>
7867 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
7868 make the prototype extern "C" and add throw ().
7871 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
7872 and pos non-negative and pos + len <= 32.
7873 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
7874 drop pos + len < HOST_BITS_PER_WIDE_INT test.
7875 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
7878 * c-common.c (handle_vector_size_attribute): Reject zero vector size
7879 as well as sizes not multiple of component size.
7882 * function.c (instantiate_expr): New function.
7883 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
7884 walk its DECL_VALUE_EXPR with instantiate_expr.
7886 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
7887 DW_OP_deref{,_size} if address isn't going to be added.
7889 2006-01-04 Ben Elliston <bje@au.ibm.com>
7891 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
7892 * config/fp-bit.c: Likewise.
7894 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
7896 * dominance.c: Add comment about why we use DFS numbering
7899 2006-01-03 Jakub Jelinek <jakub@redhat.com>
7900 Richard Henderson <rth@redhat.com>
7902 Merge from gomp-branch:
7903 * varasm.c (assemble_variable): Handle thread-local COMMON data.
7904 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
7906 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
7908 PR rtl-optimization/25578
7909 * combine.c (combine_simplify_rtx, force_to_mode): Don't
7910 pass a parameter to simplify_shift_const if changing ASHIFTRT
7913 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
7915 * builtins.c (get_builtin_sync_mem): New function.
7916 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
7917 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
7918 Call get_builtin_sync_mem to generate mem rtx.
7920 2006-01-03 Richard Guenther <rguenther@suse.de>
7923 * stmt.c (add_case_node): Make sure to clear overflow flags
7926 2006-01-03 Jakub Jelinek <jakub@redhat.com>
7928 Merge from gomp-branch.
7929 * config/sparc/sync.md: New file.
7930 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
7931 UNSPECV_LDSTUB): New constants.
7932 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
7933 * config/sparc/predicates.md (memory_reg_operand): New predicate.
7934 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
7937 2006-01-03 Roger Sayle <roger@eyesopen.com>
7939 * combine.c (reg_subword_p): New predicate to test whether the
7940 destination of a set refers to a subword/piece of a register.
7941 (try_combine): Generalize the code to merge the setting of a
7942 pseudo to a constant followed by a set of a subword of that
7943 register to a constant.
7945 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
7947 * basic-block.h (control_flow_graph): Change the type of
7948 x_label_to_block_map to VEC(basic_block,gc) *.
7949 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
7950 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
7952 * tree-ssa-propagate.c (cfg_blocks): Change the type to
7953 VEC(basic_block,heap) *.
7954 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
7955 ssa_prop_fini): Adjust the uses of cfg_blocks.
7957 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
7959 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
7961 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
7962 hashing trees instead of a pointer hash.
7963 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
7964 compare for MEM_EXPR.
7966 PR rtl-optimization/25130
7967 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
7968 when comparing MEMs for GCSE
7970 2006-01-03 Ben Elliston <bje@au.ibm.com>
7972 * targhooks.h (default_decimal_float_supported_p): Declare.
7973 * targhooks.c (default_decimal_float_supported_p): Define.
7974 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
7975 `default_decimal_float_supported_p'.
7976 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
7978 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
7980 * combine.c (apply_distributive_law <SUBREG>): Check
7981 TRULY_NOOP_TRUNCATION.
7983 2006-01-02 Geoffrey Keating <geoffk@apple.com>
7985 * dwarf2out.c (have_switched_text_section): Delete.
7986 (have_multiple_function_sections): New.
7987 (have_location_lists): Make 'bool'.
7988 (add_AT_loc_list): Use 'true' not '1'.
7989 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
7990 (output_loc_list): Use have_multiple_function_sections.
7991 (output_ranges): Likewise.
7992 (dwarf2out_begin_function): Set have_multiple_function_sections if
7994 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
7995 Check function_section rather than DECL_SECTION_NAME.
7996 (dwarf2out_finish): Use have_multiple_function_sections.
7997 Don't clear have_location_lists.
7999 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
8000 Jan Hubicka <jh@suse.cz>
8002 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
8003 case of conditional jump jumping to the next instruction.
8004 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
8005 cases of conditional jump jumping to the next instruction.
8007 2006-01-02 Jan Hubicka <jh@suse.cz>
8009 * i386.c (*_cost): Add COSTS_N_INSNS.
8010 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
8012 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
8015 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
8017 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8019 * config/arm/arm.c (all_fpus): Fix comment typo.
8020 * config/darwin.c: Likewise.
8021 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
8022 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
8023 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
8025 2006-01-01 David Edelsohn <edelsohn@gnu.org>
8027 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
8028 (rs6000_split_compare_and_swapqhi): New.
8029 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
8030 (sync_compare_and_swapqhi_internal): New.
8031 * config/rs6000/rs6000-protos.h: Declare.