1 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
7 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
9 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12 * system.h (ICE_EXIT_CODE): New macro.
13 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
14 (diagnostic_action_after_output): Likewise.
15 * gcc.c (fatal_ice): New function.
16 (execute): Use it instead of fatal.
17 (fancy_abort): Likewise.
18 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
20 2006-03-22 Jeff Law <law@redhat.com>
22 * loop-unroll.c (analyze_iv_to_split_insn): Handle
23 iv_analyze_result returning false.
25 2006-03-22 Jie Zhang <jie.zhang@analog.com>
27 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
29 2006-03-22 Richard Henderson <rth@redhat.com>
32 * except.c (duplicate_eh_regions_0): New.
33 (duplicate_eh_region_1): Duplicate the children of the node as
34 well as the node itself. Link them up properly.
35 (duplicate_eh_region_2): Merge into ...
36 (duplicate_eh_regions): ... here. Take copy_region argument, and
37 copy only a sub-tree if asked. Simplify copying and fixup.
38 (eh_region_outer_p): New.
39 * except.h (duplicate_eh_regions): Update decl.
40 (eh_region_outer_p): Declare.
41 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
42 (lower_omp_master): Likewise.
43 (lower_omp_ordered): Likewise.
44 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
45 (move_stmt_r): Use it to remap labels. Handle recursion vs
46 remap_decls_p properly.
47 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
48 (find_outermost_region_in_block): New.
49 (new_label_mapper): New.
50 (move_sese_region_to_fn): Copy eh information to the new function
52 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
54 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
57 2006-03-22 Richard Sandiford <richard@codesourcery.com>
59 * doc/md.texi (-mshared): Mention that -mshared code can be linked
60 into shared libraries.
62 2006-03-22 Richard Sandiford <richard@codesourcery.com>
64 * doc/md.texi: Refer to i386/constraints.md instead of
66 * config/i386/constraints.md: New file, extracted from...
67 * config/i386/predicates.md: ...here.
68 * config/i386/i386.md: Include constraints.md.
70 2006-03-21 Jason Merrill <jason@redhat.com>
72 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
75 * expr.c (init_block_move_fn): Force default visibility.
76 (init_block_clear_fn): Likewise.
77 * builtins.c (expand_builtin_fork_or_exec): Likewise.
78 * targhooks.c (default_external_stack_protect_fail): Likewise.
80 2006-03-21 Richard Sandiford <richard@codesourcery.com>
82 * config/mips/predicates.md (const_call_insn_operand): Allow direct
83 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
84 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
85 Use TARGET_OLDABI instead of !TARGET_NEWABI.
86 (loadgp): Use mips_current_loadgp_style.
87 (loadgp_noshared): New pattern.
88 (sibcall_internal): Use MIPS_CALL.
89 (sibcall_value_internal): Likewise.
90 (sibcall_value_multiple_internal): Likewise.
91 (call_internal): Likewise.
92 (call_value_internal): Likewise.
93 (call_value_multiple_internal): Likewise.
94 (call_split): Use MIPS_CALL and add an 'S' constraint.
95 (call_value_split): Likewise.
96 (call_value_multiple_split): Likewise.
97 * config/mips/mips.opt (-mabicalls): Tweak docstring.
98 (-mshared): New option.
99 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
100 (mips_current_loadgp_style): Declare.
101 * config/mips/mips.c (mips_classify_symbol): Avoid using
102 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
103 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
104 TARGET_ABSOLUTE_ABICALLS.
105 (override_options): Adjust comments. Improve the warning that is
106 issued when -mabicalls and -G are used together.
107 (mips_file_start): Remove comment.
108 (mips_current_loadgp_style): New function.
109 (mips_gnu_local_gp): New variable.
110 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
112 (mips_output_function_prologue): Use mips_current_laodgp_style.
113 (mips_expand_prologue): Call mips_emit_loadgp before emitting
114 the cprestore instruction.
115 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
116 live for TARGET_ABSOLUTE_ABICALLS.
117 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
118 (ASM_SPEC): Pass down -mshared and -mno-shared.
119 (MIPS_CALL): New macro.
120 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
122 * doc/invoke.texi (-mabicalls): Update documentation.
123 (-mshared): Document.
125 2006-03-21 Steve Ellcey <sje@cup.hp.com>
127 * config/ia64/unwind-hpux.c: New file.
128 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
130 2006-03-21 Steve Ellcey <sje@cup.hp.com>
133 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
135 2006-03-21 Jeff Law <law@redhat.com>
137 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
138 type conversions of a VR_VARYING source to a wider type.
140 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
142 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
143 tm_file on Solaris 10 and later.
144 (sparc64-*-solaris2*): Likewise.
145 (sparc-*-solaris2*): Likewise.
146 * config/sol26.h: Rename to config/sol2-6.h.
147 * config/sol2-10.h: New file.
149 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
152 * tree-ssa-pre.c (create_component_ref_by_pieces):
155 2006-03-21 Jakub Jelinek <jakub@redhat.com>
158 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
159 return it immediately.
161 2006-03-21 Michael Matz <matz@suse.de>
163 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
165 (remove_arc, add_arc): Update num_out_arcs member.
166 (set_out_arc_insns_equiv_num): Returns nothing instead of number
168 (cache_presence): New function.
169 (compare_states_for_equiv): New function.
170 (state_is_differed): Don't take number of outargs, adjust callers.
171 Use new invariant for speeding up.
172 (init_equiv_class): Create initial classes based on sorted
174 (partition_equiv_class): Don't track out_arcs_num.
175 (evaluate_equiv_classes): Call cache_presence on all states and
178 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
180 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
181 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
182 (bfin_valid_reg_p): Test for pseudos explicitly and use only
183 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
185 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
186 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
187 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
188 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
189 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
191 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
192 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
193 (REGNO_REG_CLASS): ARGP is in PREGS.
194 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
196 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
197 to deal with those addresses.
198 * addresses.h: New file.
199 * caller-save.c: Include "addresses.h".
200 (init_caller_save): Use new base_reg_class function.
201 * rtl-factoring.c: Include "addresses.h".
202 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
203 * recog.c: Include "addresses.h".
204 (preprocess_constraints): Use new base_reg_class function.
205 * regrename.c: Include "addresses.h".
206 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
207 functions. Keep track of a new var INDEX_CODE to compute valid
209 (replace_oldest_value_addr): Likewise.
210 (replace_oldest_value_mem): Use base_reg_class.
211 * reload.c: Include "addresses.h".
212 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
213 (find_reloads): Use new base_reg_class function.
214 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
215 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
216 all callers and prototype changed.
217 * reload1.c: Include "addresses.h".
218 (maybe_fix_stack_asms): Use base_reg_class.
219 * regclass.c: Include "addresses.h".
220 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
221 (init_reg_autoinc): Use new base_reg_class function.
222 (record_reg_classes): Likewise.
223 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
224 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
225 Use new args to compute necessary class.
227 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
228 regrename.o, rtl-factoring.o): Update dependencies.
229 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
230 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
231 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
232 REG_OK_FOR_INDEX_P): Delete documentation.
234 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
236 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
237 from V7 to V9 for Solaris 7 and above.
239 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
241 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
242 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
243 argument pointers may not alias any other storage.
244 * common.opt: Define option -fargument-noalias-anything.
245 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
246 alias semantics is specified by flag_argument_noalias > 2.
248 2006-03-20 Jeff Law <law@redhat.com>
250 * tree-pass.h (pass_phi_only_copy_prop): Delete.
251 (pass_phi_only_cprop): Declare.
252 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
254 * tree-ssa-dom.c (degenerate_phi_result): New function.
255 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
256 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
257 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
258 (eliminate_degenerate_phis): Likewise.
259 (pass_phi_only_cprop): New pass descriptor.
260 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
261 support code. Callers updated.
262 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
263 (store_copy_prop): Likewise.
264 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
266 2006-03-20 Jason Merrill <jason@redhat.com>
269 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
270 (push_visibility, pop_visibility): Likewise.
271 * c-pragma.h: Declare them.
273 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
275 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
277 * config/sh/sh.c (find_regmode_weight): Change the type of the first
278 parameter and use get_ebb_head_tail.
279 (sh_md_init_global): Adjust uses of find_regmode_weight.
281 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
283 * function.h (struct function) <x_tail_recursion_reentry>:
284 Rename to x_stack_check_probe_note.
285 (tail_recursion_reentry): Rename to stack_check_probe_note.
286 * function.c: Replace tail_recursion_reentry with
287 stack_check_probe_note everywhere.
288 (expand_function_start): Only emit a note for
289 stack_check_probe_note with -fstack-protect.
290 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
292 * emit-rtl.c (remove_unnecessary_notes): Remove.
293 (pass_remove_unnecessary_notes): Remove.
294 * rtl.h (remove_unnecessary_notes): Remove prototype.
295 * final.c (final_start_function): Don't call remove_unnecessary_notes.
296 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
297 * passes.c (pass_remove_unnecessary_notes): Don't run it.
299 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
302 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
303 (valid_in_set): Handle ARRAY_REF.
304 Change "if min_variant or VH" to asserts.
305 (create_component_ref_by_pieces): Handle ARRAY_REF.
306 (create_expression_by_pieces): Likewise.
307 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
309 2006-03-20 David Edelsohn <edelsohn@gnu.org>
311 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
312 is operand of switch, not str[0].
314 2006-03-20 Alan Modra <amodra@bigpond.net.au>
316 * config/rs6000/rs6000.c (rs6000_handle_option): Use
317 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
319 2006-03-19 David Edelsohn <edelsohn@gnu.org>
321 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
322 end of insn_extra_address_constraint declaration.
324 2006-03-19 David Edelsohn <edelsohn@gnu.org>
326 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
327 (no-sum-in-toc): Same.
328 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
330 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
331 NO_FP_IN_TOC for -fPIC instead of mask.
333 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
334 (BOOT_LDFLAGS): Delete.
336 * config/rs6000/t-aix52: Same.
338 * config/rs6000/rs6000.md (store_multiple_power): Delete.
339 (stmsi[345678]_power): New.
341 2006-03-17 Steve Ellcey <sje@cup.hp.com>
343 * config/ia64/ia64.opt: Add empty line to end of file.
345 2006-03-17 Richard Guenther <rguenther@suse.de>
348 * builtins.c (get_pointer_alignment): For component style references
349 adjust alignment to the component type alignment. Make sure
350 to adjust alignment for component access of constants.
352 2006-03-17 David Edelsohn <edelsohn@gnu.org>
354 * config/rs6000/rs6000.md (strlensi): Emit barrier after
357 2006-03-17 Paul Brook <paul@codesourcery.com>
359 * doc/install.texi: Docuemnt --with-mode.
360 * config.gcc: Add --with-mode for arm*-*-*.
361 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
363 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
365 * sh.c (max_labelno_before_reorg): New variable.
366 (sh_reorg): Initialize it.
367 (find_barrier): Check max_labelno_before_reorg before using
368 label_to_alignment. Take length of explicit alignment insns
369 into account. When seeing a UNSPECV_CONST_END, return it.
371 * sh.c (fixup_mova): Set mode of affected label to QImode.
372 (untangle_mova): New function.
373 (find_barrier): Use it. Check mode of label before decrementing
375 (sh_reorg): Likewise.
376 Set mode of all insns back to VOIDmode.
378 * sh.c (MOVA_LABELREF): New macro.
379 (mova_p, fixup_mova, sh_reorg): Use it.
380 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
381 ADDR_DIFF_VEC matches mova.
383 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
385 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
386 with ATTRIBUTE_UNUSED.
388 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
390 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
391 pointer, instead of assuming it is possible to derive the
392 correct args size from a call insn.
394 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
396 * rtl.h (CONST_INT_P): Define.
397 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
398 instead of GET_CODE(x) == CONST_INT.
399 (vax_rtx_costs): Likewise.
400 (vax_output_int_move): Likewise.
401 (vax_output_int_add): Likewise.
402 (legitimate_constant_address_p): Likewise.
403 (index_term_p): Likewise.
404 * config/vax/vax.h (PRINT_OPERAND): Likewise.
405 * config/vax/vax.md (and<mode>3): Likewise.
408 (movstricthi): Likewise.
409 (movstrictqi): Likewise.
411 (five unnamed insns): Likewise.
413 2006-03-16 Geoffrey Keating <geoffk@apple.com>
415 * doc/tm.texi (SDB and DWARF): Add extra parameter to
416 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
417 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
418 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
419 Pass to ASM_OUTPUT_DWARF_OFFSET.
420 * dwarf2out.c (debug_frame_section): New.
421 (output_call_frame_info): Use debug_frame_section. Pass it to
422 dw2_asm_output_offset.
423 (output_die): Pass appropriate section to dw2_asm_output_offset.
424 (output_compilation_unit_header): Likewise.
425 (output_pubnames): Likewise.
426 (output_aranges): Likewise.
427 (enum dw_val_class): Break dw_val_class_lbl_offset into
428 dw_val_class_lineptr and dw_val_class_macptr.
429 (add_AT_lbl_offset): Delete.
430 (add_AT_lineptr): New.
431 (add_AT_macptr): New.
432 (AT_lbl): Expect a lineptr or macptr.
433 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
434 (attr_checksum): Likewise.
435 (same_dw_val_p): Likewise.
436 (size_of_die): Likewise.
437 (value_format): Likewise.
438 (output_die): Likewise.
439 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
441 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
442 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
443 * config/darwin-protos.h (darwin_file_start): New.
444 (darwin_asm_output_dwarf_offset): New.
445 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
446 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
448 * config/darwin.c (darwin_emit_unwind_label): Don't output label
449 if not EH section; simplify.
450 (darwin_file_start): New.
451 (darwin_asm_output_dwarf_offset): New.
452 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
454 (DEBUG_INFO_SECTION): Likewise.
455 (DEBUG_ABBREV_SECTION): Likewise.
456 (DEBUG_ARANGES_SECTION): Likewise.
457 (DEBUG_MACINFO_SECTION): Likewise.
458 (DEBUG_LINE_SECTION): Likewise.
459 (DEBUG_LOC_SECTION): Likewise.
460 (DEBUG_PUBNAMES_SECTION): Likewise.
461 (DEBUG_STR_SECTION): Likewise.
462 (DEBUG_RANGES_SECTION): Likewise.
463 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
464 (ASM_OUTPUT_DWARF_OFFSET): New.
466 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
468 * config.gcc (tm_defines): Always add to previous value rather
471 2006-03-16 Richard Sandiford <richard@codesourcery.com>
473 * config/mips/predicates.md (splittable_const_int_operand): New,
474 split from move_operand.
475 (splittable_symbolic_operand): New.
476 (move_operand): Add commentary. Use splittable_const_int_operand.
477 Inline mips_atomic_symbolic_constant_p.
478 * config/mips/mips.md: Add combine splitters for handling moves
479 of splittable_const_int_operands and splittable_symbolic_operands.
480 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
481 (mips_split_symbol): Declare.
482 (mips_move_integer): Declare.
483 * config/mips/mips.c (mips_split_p): Make global.
484 (TARGET_MIN_ANCHOR_OFFSET): Override default.
485 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
486 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
487 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
488 (mips_offset_within_object_p): Handle block symbols.
489 (mips_atomic_symbolic_constant_p): Delete.
490 (mips_cannot_force_const_mem): Return false for constants that
491 mips_legitimize_move can handle.
492 (mips_use_blocks_for_constant_p): New function.
493 (mips_split_symbol): Make global.
494 (mips_move_integer): Likewise. Add a temporary register argument.
495 (mips_legitimize_const_move): Use splittable_const_int_operand and
496 splittable_symbolic_operand.
497 (mips_use_anchors_for_symbol_p): New function.
498 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
499 (mips_split_p): Declare.
501 2006-03-16 Richard Sandiford <richard@codesourcery.com>
503 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
504 (mips*-*-linux*): Likewise.
506 2006-03-16 Roger Sayle <roger@eyesopen.com>
507 Daniel Speyer <dspeyer@wam.umd.edu>
510 * tree-dump.c (dump_real): New function.
511 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
512 * Makefile.in (REAL_H): New macro for dependencies on real.h.
513 (tree-dump.o): Add $(REAL_H) to the dependencies.
515 2006-03-16 Roger Sayle <roger@eyesopen.com>
518 * real.c (real_from_string): If the mantissa is zero, don't bother
519 parsing the exponent as the result should always be zero.
521 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
523 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
525 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
527 * config/ia64/ia64.c (stops_p): Added explicit initialization.
528 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
529 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
530 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
531 ia64_sched_finish_global): New static functions to implement
532 hooks from gcc_target.sched.
533 (spec_check_no, max_uid, pending_data_specs): New static variables.
534 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
535 ia64_spec_check_src_p): New static functions.
536 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
537 (TARGET_SCHED_ADJUST_COST): Removed.
538 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
539 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
540 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
541 TARGET_SCHED_GEN_CHECK,
542 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
543 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
544 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
545 Fixed to handle speculation checks.
546 (rtx_needs_barrier): Fixed to handle speculative loads and
548 (ia64_variable_issue): Added code to count speculative loads and their
550 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
552 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
554 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
556 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
557 (ia64_reorg): Reset stops_p to NULL after it is freed.
558 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
559 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
560 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
562 (data_speculative, control_speculative, check_load): New attributes.
563 (mov<mode>_advanced, mov<mode>_speculative,
564 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
565 zero_extend<mode>di2_speculative,
566 zero_extend<mode>di2_speculative_advanced): New patterns for
567 data and control speculative loads.
568 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
570 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
571 New pattern for data and control speculation checks.
572 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
573 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
574 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
575 Auxiliary definitions for the patterns.
576 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
577 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
579 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
581 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
582 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
583 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
584 New resource constraints.
585 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
587 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
588 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
589 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
590 msched-in-control-spec, msched-ldc, msched-control-ldc,
591 msched-spec-verbose, msched-prefer-non-data-spec-insns,
592 msched-prefer-non-control-spec-insns,
593 msched-count-spec-in-critical-path): New flags to tune speculative
595 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
596 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
597 msched-in-control-spec, msched-ldc, msched-control-ldc,
598 msched-spec-verbose, msched-prefer-non-data-spec-insns,
599 msched-prefer-non-control-spec-insns,
600 msched-count-spec-in-critical-path): Document new flags.
602 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
604 * target.h (struct spec_info_def): New opaque declaration.
605 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
606 speculate_insn, needs_block_p, gen_check,
607 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
608 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
609 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
610 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
611 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
612 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
614 (TARGET_SCHED): Use new macros.
615 * rtl.h (copy_DEPS_LIST_list): New prototype.
616 * sched-int.h (struct sched_info): Change signature of new_ready field,
617 adjust all initializations. New fields: add_remove_insn,
618 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
619 region_head_or_leaf_p.
620 (struct spec_info_def): New structure declaration.
621 (spec_info_t): New typedef.
622 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
623 recovery_block, orig_pat.
624 (glat_start, glat_end): New variables declaraions.
625 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
627 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
628 DETACH_LIFE_INFO, USE_GLAT.
629 (enum SPEC_SCHED_FLAGS): New enumeration.
630 (NOTE_NOTE_BB_P): New macro.
631 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
632 attach_life_info, debug_spec_status, check_reg_live): New functions.
633 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
634 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
636 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
637 * ddg.c (get_block_head_tail): Adjust all uses.
638 * modulo-sched.c (get_block_head_tail): Adjust all uses.
639 (sms_sched_info): Initialize new fields.
640 (contributes_to_priority): Removed.
641 * haifa-sched.c (params.h): New include.
642 (get_block_head_tail): Adjust all uses.
643 (ISSUE_POINTS): New macro.
644 (glat_start, glat_end): New global variables.
645 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
646 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
647 old_last_basic_block, before_recovery, current_sched_info_var,
648 rgn_n_insns, luid): New static variables.
649 (insn_cost1): New function. Move logic from insn_cost to here.
650 (find_insn_reg_weight1): New function. Move logic from
651 find_insn_reg_weight to here.
652 (reemit_notes, move_insn, max_issue): Change signature.
653 (move_insn1): Removed.
654 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
655 extend_bb): New static functions to support extension of scheduler's
657 (generate_recovery_code, process_insn_depend_be_in_spec,
658 begin_speculative_block, add_to_speculative_block,
659 init_before_recovery, create_recovery_block, create_check_block_twin,
660 fix_recovery_deps): New static functions to support
661 generation of recovery code.
662 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
663 restore_bb_notes, move_block_after_check, move_succs): New static
664 functions to support ebb scheduling.
665 (init_glat, init_glat1, attach_life_info1, free_glat): New static
666 functions to support handling of register live information.
667 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
668 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
669 add_jump_dependencies): New static functions.
670 (check_cfg, has_edge_p, check_sched_flags): New static functions for
671 consistancy checking.
672 (debug_spec_status): New function to call from debugger.
673 (priority): Added code to handle speculation checks.
674 (rank_for_schedule): Added code to distinguish speculative instructions.
675 (schedule_insn): Added code to handle speculation checks.
676 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
677 Fixed to handle ebbs.
678 (move_insn): Added code to handle ebb scheduling.
679 (max_issue): Added code to use ISSUE_POINTS of instructions.
680 (choose_ready): Added code to choose between speculative and
681 non-speculative instructions.
682 (schedule_block): Added code to handle ebb scheduling and scheduling of
683 speculative instructions.
684 (sched_init): Initialize new variables.
685 (sched_finish): Free new variables. Print statistics.
686 (try_ready): Added code to handle speculative instructions.
687 * lists.c (copy_DEPS_LIST_list): New function.
688 * sched-deps.c (extend_dependency_caches): New function. Move logic
689 from create_dependency_caches to here.
690 (get_dep_weak, ds_merge): Make global.
691 * genattr.c (main): Code to output prototype for
692 dfa_clear_single_insn_cache.
693 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
694 (output_dfa_clean_insn_cache_func): Code to output
695 dfa_clear_single_insn_cache function.
696 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
698 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
700 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
701 New static variables.
702 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
703 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
705 (ebb_sched_info): Initialize new fields.
706 (get_block_head_tail): Adjust all uses.
707 (compute_jump_reg_dependencies): Fixed to use glat_start.
708 (schedule_ebb): Code to remove unreachable last block.
709 (schedule_ebbs): Added code to update register live information.
710 * sched-rgn.c (region_sched_info): Initialize new fields.
711 (get_block_head_tail): Adjust all uses.
712 (last_was_jump): Removed. Adjust users.
713 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
714 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
716 (check_dead_notes1): New static function.
717 (struct region): New fields: dont_calc_deps, has_real_ebb.
718 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
719 (BB_TO_BLOCK): Fixed to handle EBBs.
720 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
721 (ebb_head): New static variable.
722 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
723 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
725 (compute_dom_prob_ps): New assertion.
726 (check_live_1, update_live_1): Fixed to work with glat_start instead of
727 global_live_at_start.
728 (init_ready_list): New assertions.
729 (can_schedule_ready_p): Split update code to begin_schedule_ready.
730 (new_ready): Add support for BEGIN_CONTROL speculation.
731 (schedule_insns): Fixed code that updates register live information
733 (schedule_region): Fixed to handle EBBs.
734 (init_regions): Use extend_regions and check_dead_notes1.
735 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
736 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
737 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
738 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
739 TARGET_SCHED_GEN_CHECK,
740 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
741 TARGET_SCHED_SET_SCHED_FLAGS): Document.
742 * doc/invoke.texi (max-sched-insn-conflict-delay,
743 sched-spec-prob-cutoff): Document.
745 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
747 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
748 inter_tick, queue_index.
749 (struct sched_info): Change signature of init_ready_list field.
750 Adjust all initializations.
751 (RESOLVED_DEPS): New access macro.
752 (ready_add): Remove prototype.
753 (try_ready): Add prototype.
754 * sched-rgn.c (init_ready_list): Use try_ready.
755 (schedule_region): Initialize
756 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
757 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
758 (init_ready_list): Use try_ready.
759 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
760 * lists.c (remove_list_elem): Remove `static'.
761 (remove_free_INSN_LIST_elem): New function.
762 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
763 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
764 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
766 (readyp): New variable.
767 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
768 change_queue_index, resolve_dep): New static functions.
769 (try_ready): New function. Adjust callers in sched-rgn.c and
770 sched-ebb.c to use it instead of ready_add.
771 (clock_var): Move at the begining of file.
772 (rank_for_schedule): Fix typo.
773 (queue_insn): Add assertion. Handle QUEUE_INDEX.
774 (ready_lastpos): Enforce assertion.
775 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
777 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
778 (schedule_insn): Rewrite to use try_ready and resolve_dep.
779 (queue_to_ready): Use free_INSN_LIST_list.
780 (early_queue_to_ready): Fix typo.
781 (schedule_block): Init readyp. Move init_ready_list call after the
782 initialization of clock_var. Fix error in rejecting insn by
783 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
784 that previously corrected INSN_TICKs. Add code for handling
786 (set_priorities): Fix typo.
787 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
788 Clarify comment and code that keeps current_sched_info->next_tail
791 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
793 * sched-rgn.c (extend_rgns): New static function.
795 (gather_region_statistics, print_region_statistics): New static
797 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
798 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
800 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
801 Andrey Belevantsev <abel@ispras.ru>
803 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
804 * lists.c (unused_deps_list): New variable.
805 (free_list): Add assertions to verify the proper distinguishing
806 between INSN_LISTs and DEPS_LISTs.
807 (find_list_elem, remove_list_elem, remove_list_node): New static
809 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
810 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
811 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
812 (alloc_INSN_LIST): Assert that the list we're working on is indeed
814 (free_INSN_LIST_node): Likewise.
815 * modulo-sched.c (current_sched_info): Initialize flags field.
816 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
817 * rtl.def (DEPS_LIST): Define.
818 * rtl.h: Declare new functions from lists.c.
819 * sched-deps.c (spec_dependency_cache): New static variable.
820 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
821 (add_dependence): Change return type to void. Move the logic to ...
822 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
823 (delete_all_dependences): Add comment about forward_dependency_cache.
824 Handle spec_dependency_cache. Handle DEPS_LISTs.
825 (fixup_sched_groups): Clarify the change of priority of output
826 and anti dependencies.
827 (sched_analyze_2): Adjust add_dependence calls to create data
828 speculative dependence.
829 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
830 Adjust all callers. Handle DEPS_LISTS.
831 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
832 presence of speculation.
833 (init_dependency_caches, free_dependency_caches):
834 Handle spec_dependency_cache.
835 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
836 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
837 New static functions.
838 (add_or_update_back_dep, add_or_update_back_forw_dep,
839 add_back_forw_dep, delete_back_forw_dep): New functions.
840 * sched-int.h (ds_t, dw_t): New typedefs.
841 (struct sched_info): Add new field flags.
842 (struct haifa_insn_data): Add new bitfield has_internal_dep.
843 Prototype new sched-deps.c functions.
844 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
845 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
846 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
847 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
848 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
849 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
851 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
853 * sched-rgn.c (current_sched_info): Initialize flags field.
854 (schedule_insns): Initialize current_sched_info before the sched_init
856 * sched-ebb.c (current_sched_info): Initialize flags field.
857 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
858 Call add_or_update_back_dep instead of add_dependence.
859 Create control speculative dependencies.
860 (schedule_insns): Initialize current_sched_info before the sched_init
863 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
865 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
867 (sh_fallback_frame_state): Likewise.
869 2006-03-15 Geoffrey Keating <geoffk@apple.com>
871 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
872 Do switch on default_use_cxa_atexit.
873 (powerpc*-*-darwin*): Build crt2.o on powerpc.
874 * config/darwin-crt3.o: New.
875 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
876 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
877 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
879 * config/rs6000/t-darwin: Move crt2.o building to here.
880 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
881 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
884 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
886 * config/vax/vax.c (nonindexed_address_p): Change logical negation
887 from '! xxx' to '!xxx' for coding-style conformance.
888 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
889 (EXTRA_CONSTRAINT): Likewise.
890 * config/vax/vax.md (four unnamed insns): Likewise.
892 2006-03-15 Paul Brook <paul@codesourcery.com>
894 * config/arm/arm.c (minipool_pad): New.
895 (add_minipool_forward_ref): Include pool alignment padding in address
897 (push_minipool_fix): Set minipool_pad.
898 (minipool_pad): Ditto.
900 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
902 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
903 instead of GET_CODE() == MEM and REG_P() instead of
905 (print_operand_address): Likewise.
906 (vax_address_cost): Likewise.
907 (vax_rtx_costs): Likewise.
908 (vax_notice_update_cc): Likewise.
909 (vax_output_int_add): Likewise.
910 (INDEX_REGISTER_P): Likewise.
911 (BASE_REGISTER_P): Likewise.
912 (nonindexed_address_p): Likewise.
913 (vax_mode_dependent_address_p): Likewise.
914 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
915 (PRINT_OPERAND): Likewise.
916 * config/vax/vax.md (ashlsi3): Likewise.
918 (some more unnamed insns): Likewise.
920 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
922 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
923 iterator-style macro.
924 (mark_control_dependent_edges_necessary): Update the use of
925 EXECUTE_IF_CONTROL_DEPENDENT.
927 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
929 * config/sh/predicates.md (cache_address_operand): Special.
930 (ua_address_operand): Likewise.
932 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
934 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
936 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
938 2006-03-15 Andreas Schwab <schwab@suse.de>
940 * gensupport.c (identify_predicable_attribute): Don't free p_false
941 when it is still in use.
943 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
945 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
946 the default setting here.
948 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
950 * tree-pass.h (pass_cfg): Remove.
951 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
952 * passes.c (pass_cfg): Don't run it.
954 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
956 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
957 * reg-stack.c (stack_regs_mentioned_data): Change the type to
959 (stack_regs_mentioned): Update the uses of
960 stack_regs_mentioned_data. Don't access the array beyond its
962 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
963 Don't include gt-reg-stack.h.
965 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
966 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
968 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
971 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
974 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
976 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
978 2006-03-14 Richard Guenther <rguenther@suse.de>
980 PR tree-optimization/26672
981 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
984 2006-03-14 Richard Guenther <rguenther@suse.de>
986 PR tree-optimization/26667
987 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
988 node for the callees. Always allow inlining if it will shrink
991 2006-03-14 Richard Guenther <rguenther@suse.de>
994 * builtins.c (get_pointer_alignment): Prefer alignment
995 information from decls over that from types.
997 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
1000 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
1002 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
1004 * config/rs6000/rs6000.opt (mdlmzb): New option.
1005 (msched-prolog, msched-epilog): Use Var not Mask.
1006 * doc/invoke.texi (-mdlmzb): Document.
1007 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
1009 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
1010 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
1012 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
1014 PR rtl-optimization/25739
1015 * bt-load.c (augment_live_range): Free tos pointer.
1017 * gensupport.c (identify_predicable_attribute): Free
1019 * gcov.c (create_file_names): Free name pointer.
1021 2006-03-13 Roger Sayle <roger@eyesopen.com>
1024 * stmt.c (emit_case_nodes): Handle the case where the index is a
1025 CONST_INT, where the comparison mode is specified by the index type.
1027 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1029 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
1032 2006-03-13 Richard Sandiford <richard@codesourcery.com>
1034 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
1035 (*branch_fp_inverted): Likewise.
1037 2006-03-13 Jakub Jelinek <jakub@redhat.com>
1040 * omp-low.c (expand_omp_for_generic): Mark istart0
1041 and iend0 as addressable.
1043 2006-03-13 Jie Zhang <jie.zhang@analog.com>
1045 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
1047 2006-03-13 Jeff Law <law@redhat.com>
1049 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
1050 virtual operands are interesting.
1051 (vrp_visit_stmt): Corresponding changes.
1053 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
1055 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
1057 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
1058 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
1059 * config/bfin/crti.S: Use it instead of __PIC__.
1060 * config/bfin/crtn.S: Likewise.
1062 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
1063 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
1065 Lose 'G' modifier for call operand.
1066 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
1067 recognize 'G' modifier.
1069 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
1072 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
1073 * stmt.c (expand_case): Likewise.
1075 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1077 PR rtl-optimization/26254
1078 * loop-invariant.c (seq_insns_valid_p): New function.
1079 (move_invariant_reg): Only emit new code if it is valid.
1081 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1083 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
1085 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
1086 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
1087 (commit_one_edge_insertion): Do not look for loop notes.
1089 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1091 * jump.c (follow_jumps): Do not check for loop notes. Move check for
1092 flag_test_coverage out of loop.
1094 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1096 * final.c (shorten_branches): Remove outdated comment, and turn
1097 the if branch that guards it to continue.
1099 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1101 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
1102 * cfgloop.h (struct loop): Remove unused fields.
1104 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
1106 * doc/invoke.texi (-fdump-rtl-loop): Remove.
1107 (-dL, -fdump-rtl-loop2): Update the dump file names
1109 * doc/invoke.texi: Update dump file names.
1111 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
1113 * predict.c (estimate_probability): Remove.
1114 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
1115 * basic-block.h (estimate_probability): Remove prototype.
1116 * passes.c (finish_optimization_passes): Dump branch prediction or
1117 profiling heuristics to the .profile tree dump.
1118 (init_optimization_passes): Unqueue pass_branch_prob.
1120 * doc/invoke.texi (-fdump-rtl-bp): Remove.
1122 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
1124 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
1125 * rtl.h (LABEL_NEXTREF): Remove field accessor.
1127 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
1129 * function.h (frame_offset_overflow): Declare.
1130 * function.c (frame_offset_overflow): New function.
1131 (assign_stack_local_1): Call it to detect that the offset overflows.
1132 * cfgexpand.c (alloc_stack_frame_space): Likewise.
1134 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
1136 * config/sh/sh.c: Include alloc-pool.h.
1137 (label_ref_list_pool): New alloc pool.
1138 (label_ref_list_t): New type for lists of labels.
1139 (struct pool_node): Make wend a label_ref_list_t.
1140 (add_constant): Use the new type, eradicate LABEL_NEXTREF
1142 (dump_table): Likewise.
1143 (sh_reorg): Set up the alloc pool before using add_constant and
1144 dump_table, and destroy it when finishing.
1146 2006-03-11 Richard Sandiford <richard@codesourcery.com>
1148 * config/mips/mips.c: Remove redundant comment.
1150 2006-03-10 Jason Merrill <jason@redhat.com>
1153 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
1154 the target was declared 'register'.
1156 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
1158 * genpreds.c (write_insn_constraint_len): Change definition of
1159 insn_constraint_len to return size_t to match the declaration.
1161 2006-03-10 DJ Delorie <dj@redhat.com>
1163 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
1165 (m32c_expand_insv): Fix test for an AND mask.
1167 2006-03-10 Richard Guenther <rguenther@suse.de>
1170 * builtins.c (get_pointer_alignment): Handle component
1171 references for field alignment.
1173 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
1175 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
1176 when building with libgloss.
1177 (sh*elf): Implement --without-fp option.
1178 (sh64-superh-linux*): Don't multilib.
1180 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
1182 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
1184 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
1186 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
1187 Set it when one of the replacement functions returned true.
1188 Return TODO_cleanup_cfg if cfgchanged is true.
1189 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
1191 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
1193 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
1194 instead of gen_lowpart.
1196 2006-03-09 Richard Sandiford <richard@codesourcery.com>
1198 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
1200 (mips_output_order_conditional_branch): Declare.
1201 * config/mips/mips.h (MIPS_BRANCH): New macro.
1202 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
1203 for the comparison. Use gen_condjump.
1204 (mips_output_conditional_branch): Rework interface to take the
1205 asm templates for a direct branch and the inverse of a direct branch.
1206 (mips_output_order_conditional_branch): New function.
1207 (mips_builtin_branch_and_move): New function.
1208 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
1209 branch condition. Use gen_single_cc as the condition for
1210 __builtin_mips_upper_* or __builtin_mips_lower_*.
1211 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
1212 Use VOIDmode for the branch condition.
1213 * config/mips/predicates.md (order_operator): New predicate.
1214 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
1215 (branch_fp): Rename to...
1216 (*branch_fp): ...this. Remove mode from comparison operator.
1217 Use new mips_output_conditional_branch interface.
1218 (branch_fp_inverted): Rename to...
1219 (*branch_fp_inverted): ...this and update as for *branch_fp.
1220 (*branch_zero<mode>): Rename to...
1221 (*branch_order<mode>): ...this. Remove mode from comparison operator.
1222 Use mips_output_order_conditional_branch. Only accept ordered
1224 (*branch_zero<mode>_inverted): Rename to...
1225 (*branch_order<mode>_inverted): ...this and update as for
1226 *branch_order<mode>.
1227 (*branch_equality<mode>): Accept zero as the second operand to
1228 the equality operator. Use the new mips_output_conditional_branch
1230 (*branch_equality<mode>_inverted): Likewise.
1231 (condjump): New expander.
1232 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
1234 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
1235 (bc1any2t, bc1any2f): Likewise.
1236 (single_cc): New expander.
1237 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
1239 2006-03-09 Richard Sandiford <richard@codesourcery.com>
1241 * doc/md.texi: Update documentation of MIPS constraints.
1242 * config/mips/constraints.md: New file.
1243 * config/mips/mips.md: Include it.
1244 * config/mips/mips.c (mips_char_to_class): Delete.
1245 (override_options): Don't initialize mips_char_to_class.
1246 * config/mips/mips.h (mips_char_to_class): Delete.
1247 (REG_CLASS_FROM_LETTER): Delete.
1248 (CONST_OK_FOR_LETTER_P): Delete.
1249 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1250 (EXTRA_CONSTRAINT_Y): Delete.
1251 (EXTRA_CONSTRAINT_STR): Delete.
1252 (CONSTRAINT_LEN): Delete.
1253 (EXTRA_MEMORY_CONSTRAINT): Delete.
1255 2006-03-09 Diego Novillo <dnovillo@redhat.com>
1257 * tree-cfg.c (move_block_to_fn): Remove the statements from the
1258 original fn's eh regions.
1260 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
1262 * fold-const.c (build_range_check): Make sure to use a valid type to
1263 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
1266 (range_predecessor): New static function.
1267 (range_successor): Likewise.
1268 (merge_ranges): Use them to compute predecessors and successors of
1271 2006-03-09 Roger Sayle <roger@eyesopen.com>
1274 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
1275 X op C3, consider whether C3 overflows towards +Inf or -Inf.
1277 2006-03-08 DJ Delorie <dj@redhat.com>
1279 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
1280 (addpsi3): Expand to include memory operands. Remove
1281 reload-specific splits.
1282 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
1283 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
1284 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
1285 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
1286 (shift1_qi, shift1_hi, insv): New.
1287 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
1288 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
1289 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
1291 * config/m32c/m32c-protos.h: Update as needed.
1292 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
1293 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
1294 Fail for unrecognized R* constraints.
1295 (m32c_cannot_change_mode_class): Be more picky about pseudos.
1296 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
1297 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
1299 (m32c_init_libfuncs): New.
1300 (m32c_legitimate_address_p): Add debug wrapper.
1301 (m32c_rtx_costs): New.
1302 (m32c_address_cost): New.
1303 (conversions): Add 'B' prefix.
1304 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
1305 operands, or word regnames for QI operands. 'B' prints bit
1307 (m32c_expand_setmemhi): New.
1308 (m32c_expand_movmemhi): New.
1309 (m32c_expand_movstr): New.
1310 (m32c_expand_cmpstr): New.
1311 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
1312 (m32c_expand_neg_mulpsi3): Handle non-ints.
1313 (m32c_cmp_flg_0): New.
1314 (m32c_expand_movcc): New.
1315 (m32c_expand_insv): New.
1316 (m32c_scc_pattern): New.
1317 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
1318 a0/a1 out of SIregs.
1319 (STORE_FLAG_VALUE): New.
1320 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
1323 * config/m32c/mov.md: Make constraints more liberal.
1324 (zero_extendqihi2): Optimize r0/r1 case.
1325 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
1326 * config/m32c/predicates.md (m32c_any_operand): New.
1327 (m32c_nonimmediate_operand): New.
1328 (m32c_hl_operand): New.
1329 (m32c_r3_operand): New.
1332 (memsym_operand): New.
1333 (memimmed_operand): New.
1334 (a_qi_operand): New.
1335 (m32c_eqne_operator): New.
1336 (m32c_1bit8_operand): New.
1337 (m32c_1bit16_operand): New.
1338 (m32c_1mask8_operand): New.
1339 (m32c_1mask16_operand): New.
1340 * config/m32c/blkmov.md: New file.
1341 * config/m32c/t-m32c (MD_FILES): Add blkmov.
1343 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
1345 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
1346 unsigned to fix signed/unsigned comparison issue in
1347 DWARF2_FRAME_REG_OUT.
1348 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
1349 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
1351 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
1352 of ptr into the ENABLE_CHECKING section.
1354 2006-03-08 Jeff Law <law@redhat.com>
1356 * tree-vrp.c (infer_value_range): Only count pointer uses
1357 and dereferences if -fdelete-null-pointer-checks is enabled.
1359 * tree-vrp.c (find_assert_locations): Infer value ranges for
1360 single use pointers, but do not create ASSERT_EXPRs for them.
1361 When a non-null range is inferred for a pointer, backwards
1362 propagate that range to other equivalent pointers through the
1365 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
1368 * Makefile.in (dvi, html, install-info): Invoke the corresponding
1369 language hook targets.
1370 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
1371 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
1372 if language hook targets were missing.
1374 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
1376 * tree-ssa-opfinalize.h: Removed.
1377 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
1379 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
1380 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
1381 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
1382 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
1383 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
1384 finalize_ssa_v_must_def_ops): New.
1386 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
1388 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
1391 2006-03-07 Geoffrey Keating <geoffk@apple.com>
1393 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
1395 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
1396 addresses with offsets; reorganize.
1398 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
1399 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
1400 (expand_builtin_init_dwarf_reg_sizes): Likewise.
1402 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
1405 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
1407 2006-03-08 Ben Elliston <bje@au.ibm.com>
1409 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
1411 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
1414 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
1417 2006-03-07 Richard Guenther <rguenther@suse.de>
1419 PR tree-optimization/26587
1420 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
1422 2006-03-07 Richard Sandiford <richard@codesourcery.com>
1424 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
1426 2006-03-07 Richard Sandiford <richard@codesourcery.com>
1428 * hooks.c (hook_bool_mode_rtx_true): New function.
1429 * hooks.h (hook_bool_mode_rtx_true): Declare.
1430 * toplev.c (compile_file): Call output_shared_constant_pool.
1431 * varasm.c (shared_constant_pool): New variable.
1432 (assemble_start_function, assemble_end_function): Remove arguments
1433 from call to output_constant_pool.
1434 (create_constant_pool): New function, split out from...
1435 (init_varasm_status): ...here.
1436 (force_const_mem): Choose between the shared and per-function constant
1437 pools. Set current_function_uses_const_pool when reusing old entries
1438 as well as when creating new ones.
1439 (mark_constant): Ignore data argument.
1440 (mark_constants): Remove pool argument.
1441 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
1442 to decide whether the function uses a constant pool.
1443 (output_constant_pool_contents): New function, split out from...
1444 (output_constant_pool): ...here.
1445 (output_shared_constant_pool): New function.
1446 (init_varasm_once): Initialize shared_constant_pool.
1447 * output.h (output_constant_pool): Delete.
1448 (output_shared_constant_pool): Declare.
1449 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
1450 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
1452 2006-03-06 Nick Clifton <nickc@redhat.com>
1454 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
1455 flag_strength_reduce.
1457 2006-03-06 Ben Elliston <bje@au.ibm.com>
1459 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
1460 x86_64-*-linux* configurations.
1462 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
1463 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
1465 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
1467 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
1469 * basic-block.h: Remove the extern for
1470 rediscover_loops_after_threading.
1472 * cfgloop.c (cancel_loop): Make it static.
1473 * cfgloop.h: Remove the prototype for cancel_loop.
1475 * flow.c (recompute_reg_usage): Make it static.
1476 * rtl.h: Remove the prototype for recompute_reg_usage.
1478 * function.c (use_return_register): Make it static.
1479 * function.h: Remove the prototype.
1481 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
1483 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
1485 * recog.h: Remove the prototype for
1486 validate_change_maybe_volatile.
1488 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
1490 * rtlanal.c (replace_reg): Remove.
1491 * rtl.h: Remove the prototype for replace_reg.
1493 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
1495 * regclass.c (reg_scan_update): Remove.
1496 (reg_scan_mark_refs): Remove the last argument.
1497 * rtl.h: Remove the prototype for reg_scan_update.
1499 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1501 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
1502 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
1503 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
1504 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
1505 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
1506 loop-invariant.c, omp-low.c, opts.c, passes.c,
1507 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
1508 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
1509 tree-ssa-structalias.c, tree-ssa-threadedge.c,
1510 tree-ssa-threadupdate.c, tree-vect-patterns.c,
1511 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
1512 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
1514 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1516 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
1517 * dwarf2out.h: Remove the prototype for
1518 dwarf2out_add_library_unit_info.
1520 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1522 * tree.c (add_var_to_bind_expr): Remove.
1523 * tree.h: Remove the prototype for add_var_to_bind_expr.
1525 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1527 * regclass.c (n_non_fixed_regs): Remove.
1528 (init_reg_sets_1, globalize_reg): Remove all uses of
1530 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
1532 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1534 * rtlanal.c (insns_safe_to_move_p): Remove.
1535 * rtl.h: Remove the prototype for insns_safe_to_move_p.
1537 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1539 * expmed.c (expand_mult_add): Remove.
1540 * expr.h: Remove the prototype for expand_mult_add.
1542 2006-03-04 Jakub Jelinek <jakub@redhat.com>
1544 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
1545 and REG_SAVED_VAL_EXP constants.
1546 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
1547 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
1548 Handle regs stored by value.
1549 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
1550 (execute_cfa_program): Handle DW_CFA_val_offset,
1551 DW_CFA_val_offset_sf and DW_CFA_val_expression.
1552 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
1553 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
1554 (uw_install_context_1): Handle target regs stored by value.
1556 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
1558 * tree-sra.c (tree_sra): Return todoflags;
1559 (generate_one_element): Set TODO_update_smt_usage if needed.
1560 (pass_sra): Remove TODO_update_smt_usage.
1561 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
1563 (tree_ssa_forward_propagate_single_use_vars): Return
1564 TODO_update_smt_usage if we need to update SMT usage.
1565 (pass_forwprop): Remove TODO_update_smt_usage.
1567 2006-03-03 Diego Novillo <dnovillo@redhat.com>
1569 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
1570 (correct_use_link): Remove reference to get_stmt_operands.
1571 (update_stmt_operands): Likewise.
1572 (get_modify_expr_operands): New function factored out of
1573 parse_ssa_operands and get_expr_operands.
1574 Try to create V_MUST_DEFs for LHS by default.
1575 (get_expr_operands) <case MODIFY_EXPR>: Call
1576 get_modify_expr_operands.
1577 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
1578 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
1579 (parse_ssa_operands) <case MODIFY_EXPR>: Call
1580 get_modify_expr_operands.
1582 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
1584 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
1585 * tree-flow.h: Remove the prototype for
1586 referenced_var_lookup_if_exists.
1588 2006-03-03 Steve Ellcey <sje@cup.hp.com>
1590 PR rtl-optimization/26345
1592 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
1594 2006-03-03 Roger Sayle <roger@eyesopen.com>
1596 PR tree-optimization/26524
1597 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
1598 fold_convert to create a constant of the appropriate type.
1600 2006-03-03 Richard Sandiford <richard@codesourcery.com>
1602 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1603 SYMBOL_REF_IN_BLOCK_P.
1604 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
1605 of SYMBOL_FLAG_IN_BLOCK.
1606 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
1607 instead of SYMBOL_REF_IN_BLOCK_P.
1608 * explow.c (use_anchored_address): Likewise.
1609 * rtl.c (rtx_size): Likewise.
1610 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
1611 instead of SYMBOL_FLAG_IN_BLOCK.
1612 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1613 SYMBOL_REF_IN_BLOCK_P.
1614 (assemble_variable): Likewise.
1615 (output_constant_def_contents): Likewise.
1616 (output_constant_pool): Likewise.
1617 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
1618 instead of SYMBOL_FLAG_IN_BLOCK.
1619 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1620 SYMBOL_REF_IN_BLOCK_P.
1621 (SYMBOL_REF_BLOCK): Likewise.
1622 (SYMBOL_REF_OFFSET): Likewise.
1623 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1624 SYMBOL_REF_IN_BLOCK_P.
1625 (SYMBOL_FLAG_IN_BLOCK): Replace with...
1626 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
1627 (SYMBOL_REF_IN_BLOCK_P): Replace with...
1628 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
1630 2006-03-03 Jakub Jelinek <jakub@redhat.com>
1632 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
1634 2006-03-02 Roger Sayle <roger@eyesopen.com>
1636 * simplify-rtx.c (simplify_unary_operation): When simplifying
1637 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
1638 that we perform the right shift in the appropriate mode, and
1639 then extend or truncate the result to requested mode.
1641 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
1643 * gengtype.c (main): Handle double_int type.
1644 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
1645 * double-int.c: New file.
1646 * double-int.h: New file.
1647 * system.h: Include doubleint.h.
1648 * Makefile.in (SYSTEM_H): Include double-int.h.
1649 (double-int.o): Add.
1651 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
1654 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
1657 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
1659 * tree-vrp.c (remove_range_assertions): Do not update statements
1662 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
1664 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
1666 * gcse.c (rest_of_handle_gcse): Ditto.
1667 * except.c (gate_handle_eh): Ditto.
1668 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
1669 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
1671 2006-03-02 Eric Christopher <echristo@apple.com>
1673 * config/i386/i386.c (machopic_output_stub): Add indirection to
1676 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
1680 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
1682 Sun Niagara specific optimizations.
1683 * config.gcc: Recognize niagara as target.
1684 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
1685 (TARGET_CPU_niagara): Define.
1686 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
1687 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
1688 (CPP_CPU_SPEC): Handle -mcpu=niagara.
1689 (ASM_CPU_SPEC): Likewise.
1690 (PROCESSOR_NIAGARA): New enum entry.
1691 (REGISTER_MOVE_COST): Handle Niagara.
1692 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
1693 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
1694 (sparc_override_options): Recognize "niagara", set appropriate
1695 default MASK_* values for it, and align functions to 32-bytes
1696 by default just like ULTRASPARC/ULTRASPARC3.
1697 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
1698 (sparc64_initialize_trampoline): Likewise.
1699 (sparc_use_sched_lookahead): Use zero for niagara.
1700 (sparc_issue_rate): Use one for niagara.
1701 * config/sparc/niagara.md: New file.
1702 * config/sparc/sparc.md: Include it.
1703 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
1704 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
1705 when default cpu is niagara.
1706 (CPP_CPU_SPEC): Handle -mcpu=niagara.
1707 (ASM_CPU_SPEC): Likewise.
1708 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
1709 when default cpu is niagara.
1710 (ASM_CPU_SPEC): Handle -mcpu=niagara.
1711 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
1712 just like v9/ultrasparc/ultrasparc3.
1713 * doc/invoke.texi: Add documentation for "niagara" and improve
1714 existing documentation for ultrasparc variants.
1716 2006-03-02 Diego Novillo <dnovillo@redhat.com>
1718 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
1720 2006-03-02 Richard Sandiford <richard@codesourcery.com>
1722 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
1723 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
1724 and say that only one is needed.
1725 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
1726 * target.h (have_switchable_bss_sections): New hook.
1727 * explow.c (use_anchored_address): Check that the symbol is in a block.
1728 * varasm.c (tls_comm_section, comm_section, lcomm_section)
1729 (bss_noswitch_section): New variables.
1730 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
1731 (get_noswitch_section): New function.
1732 (get_block_for_section): Allow SECT to be null.
1733 (unlikely_text_section_p): Use SECTION_STYLE.
1734 (bss_initializer_p): New function.
1735 (get_variable_section): Move earlier in file. Take a new argument,
1736 prefer_noswitch_p. Move bss checks from assemble_variable to here.
1737 Return one of the new *_sections in such cases.
1738 (get_block_for_decl): New function, extracting some logic from
1739 use_blocks_for_decl_p.
1740 (change_symbol_section): Remove in favor of...
1741 (change_symbol_block): ...this new function.
1742 (use_blocks_for_decl_p): Remove checks now performed by
1744 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
1745 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
1746 (emit_local, emit_bss, emit_common): ...these new functions.
1747 Return true if the alignment was honored.
1748 (emit_tls_common): New function.
1749 (asm_emit_uninitialised): Delete.
1750 (assemble_variable_noswitch): New function, split out from...
1751 (assemble_variable): ...here. Don't make decisions about common
1752 variables here. Globalize all public decls that go into non-common
1753 sections. Check whether SYMBOL_REF_BLOCK is null.
1754 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
1755 (output_constant_pool): Likewise.
1756 (init_varasm_once): Initialize the new section variables.
1757 (have_global_bss_p): New function.
1758 (categorize_decl_for_section): Use bss_initializer_p.
1759 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
1760 (place_block_symbol): Assert that the symbol must be in a block.
1761 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
1762 (TARGET_INITIALIZER): Include it.
1763 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
1764 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
1765 (SECTION_MACH_DEP): Bump by two.
1766 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
1767 (unnamed_section): Mention SECTION_UNNAMED in comment.
1768 (named_section): Likewise SECTION_NAMED.
1769 (noswitch_section_callback): New type.
1770 (noswitch_section): New structure.
1771 (section): Add a noswitch_section alternative.
1772 (SECTION_STYLE): New macro.
1773 (tls_comm_section, comm_section, lcomm_section): Declare.
1774 (bss_noswitch_section, have_global_bss_p): Declare.
1775 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
1776 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
1778 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
1779 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
1782 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
1784 * gcc/tree-vrp.c (execute_vrp): Return value.
1785 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
1786 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
1787 * gcc/tree-complex.c (tree_lower_complex): Ditto.
1788 (tree_lower_complex_O0): Ditto.
1789 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
1790 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
1791 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
1792 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
1793 (execute_tail_calls): Ditto.
1794 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1795 * gcc/tree.h (init_function_for_compilation): Ditto.
1796 * gcc/ipa-cp.c (ipcp_driver): Ditto.
1797 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
1798 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
1799 * gcc/final.c (compute_alignments): Ditto.
1800 (rest_of_handle_final): Ditto.
1801 (rest_of_handle_shorten_branches): Ditto.
1802 (rest_of_clean_state): Ditto.
1803 * gcc/omp-low.c (execute_expand_omp): Ditto.
1804 (execute_lower_omp): Ditto.
1805 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
1806 * gcc/ipa-reference.c (static_execute): Ditto.
1807 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
1808 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
1809 (rest_of_handle_machine_reorg): Ditto.
1810 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
1811 * gcc/flow.c (recompute_reg_usage): Ditto.
1812 (rest_of_handle_remove_death_notes): Ditto.
1813 (rest_of_handle_life): Ditto.
1814 (rest_of_handle_flow2): Ditto.
1815 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
1816 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
1817 (do_ssa_store_ccp): Ditto.
1818 (execute_fold_all_builtins): Ditto.
1819 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
1820 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
1821 * gcc/ipa-pure-const.c (static_execute): Ditto.
1822 * gcc/cse.c (rest_of_handle_cse): Ditto.
1823 (rest_of_handle_cse2): Ditto.
1824 * gcc/web.c (rest_of_handle_web): Ditto.
1825 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
1826 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
1827 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
1828 * gcc/tree-nrv.c (tree_nrv): Ditto.
1829 (execute_return_slot_opt): Ditto.
1830 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
1831 (create_structure_vars): Ditto.
1832 * gcc/loop-init.c (rtl_loop_init): Ditto.
1833 (rtl_loop_done): Ditto.
1834 (rtl_move_loop_invariants): Ditto.
1835 (rtl_unswitch): Ditto.
1836 (rtl_unroll_and_peel_loops): Ditto.
1837 (rtl_doloop): Ditto.
1838 * gcc/gimple-low.c (lower_function_body): Ditto.
1839 (mark_used_blocks): Ditto.
1840 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
1841 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
1842 (cgraph_early_inlining): Ditto.
1843 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
1844 * gcc/jump.c (cleanup_barriers): Ditto.
1845 (purge_line_number_notes): Ditto.
1846 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
1847 (rest_of_handle_if_after_reload): Ditto.
1848 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
1849 (tree_ssa_loop_im): Ditto.
1850 (tree_ssa_loop_unswitch): Ditto.
1851 (tree_vectorize): Ditto.
1852 (tree_linear_transform): Ditto.
1853 (tree_ssa_loop_ivcanon): Ditto.
1854 (tree_ssa_empty_loop): Ditto.
1855 (tree_ssa_loop_bounds): Ditto.
1856 (tree_complete_unroll): Ditto.
1857 (tree_ssa_loop_prefetch): Ditto.
1858 (tree_ssa_loop_ivopts): Ditto.
1859 (tree_ssa_loop_done): Ditto.
1860 * gcc/predict.c (tree_estimate_probability): Ditto.
1861 * gcc/recog.c (split_all_insns_noflow): Ditto.
1862 (rest_of_handle_peephole2): Ditto.
1863 (rest_of_handle_split_all_insns): Ditto.
1864 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
1865 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
1866 (rest_of_handle_stack_adjustments): Ditto.
1867 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
1868 * gcc/function.c (instantiate_virtual_regs): Ditto.
1869 (init_function_for_compilation): Ditto.
1870 (rest_of_handle_check_leaf_regs): Ditto.
1871 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
1872 (rest_of_handle_gcse): Ditto.
1873 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
1874 * gcc/alias.c (rest_of_handle_cfg): Ditto.
1875 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
1876 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
1877 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
1878 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
1879 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
1880 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
1881 * gcc/except.c (set_nothrow_function_flags): Ditto.
1882 (convert_to_eh_region_ranges): Ditto.
1883 (rest_of_handle_eh): Ditto.
1884 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
1885 (remove_unnecessary_notes): Ditto.
1886 * gcc/except.h (set_nothrow_function_flags): Ditto.
1887 (convert_to_eh_region_ranges): Ditto.
1888 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
1889 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
1890 * gcc/tree-ssa-pre.c (do_pre): Ditto.
1891 (execute_fre): Ditto.
1892 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
1893 (rest_of_handle_jump2): Ditto.
1894 * gcc/tree-sra.c (tree_sra): Ditto.
1895 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
1896 (execute_mudflap_function_decls): Ditto.
1897 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
1898 (do_store_copy_prop): Ditto.
1899 * gcc/ipa-prop.h (ipcp_driver): Ditto.
1900 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
1901 * gcc/tree-ssa-forwprop.c
1902 (tree_ssa_forward_propagate_single_use_vars): Ditto.
1903 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
1904 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
1905 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
1906 (execute_late_warn_uninitialized): Ditto.
1907 * gcc/rtl.h (cleanup_barriers): Ditto.
1908 (split_all_insns_noflow): Ditto.
1909 (purge_line_number_notes): Ditto.
1910 (unshare_all_rtl): Ditto.
1911 (remove_unnecessary_notes): Ditto.
1912 (recompute_reg_usage): Ditto.
1913 (variable_tracking_main): Ditto.
1914 * gcc/integrate.c (emit_initial_value_sets): Ditto.
1915 * gcc/integrate.h (emit_initial_value_sets): Ditto.
1916 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
1917 (execute_free_cfg_annotations): Ditto.
1918 (execute_fixup_cfg): Ditto.
1919 (execute_cleanup_cfg_pre_ipa): Ditto.
1920 (execute_cleanup_cfg_post_optimizing): Ditto.
1921 (execute_init_datastructures): Ditto.
1922 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
1923 * gcc/combine.c (rest_of_handle_combine): Ditto.
1924 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
1925 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
1926 (rest_of_handle_reorder_blocks): Ditto.
1927 (rest_of_handle_partition_blocks): Ditto.
1928 * gcc/var-tracking.c (variable_tracking_main): Ditto.
1929 * gcc/tree-profile.c (tree_profiling): Ditto.
1930 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
1931 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
1932 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
1933 (rest_of_handle_sched2): Ditto.
1934 * gcc/basic-block.h (free_bb_insn): Ditto.
1935 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
1936 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
1937 (remove_useless_stmts): Ditto.
1938 (split_critical_edges): Ditto.
1939 (execute_warn_function_return): Ditto.
1940 (execute_warn_function_noreturn): Ditto.
1941 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
1942 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
1943 * gcc/passes.c (execute_one_pass): Run additional
1944 todos returned by execute function.
1945 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
1948 2006-03-02 Richard Guenther <rguenther@suse.de>
1950 * tree-ssa-alias.c (find_used_portions): Consider taking
1951 the address as making the variable not write-only.
1953 2006-03-02 Nick Clifton <nickc@redhat.com>
1955 * config.gcc (default_use_cxa_atexit): Extend the description of
1956 this configure variable. Set its default value to "yes" for
1957 Linux, NetBSD and ELF targets on the assumption that they will
1958 use C libraries with the __cxa_atexit function.
1960 2006-03-02 Ben Elliston <bje@au.ibm.com>
1962 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
1963 parameter as unused to suppress a build warning.
1965 2006-03-02 Ben Elliston <bje@au.ibm.com>
1967 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
1970 2006-03-01 Roger Sayle <roger@eyesopen.com>
1973 * gthr-posix.h (__gthrw2): Define to take three parameters, the
1974 declared name, the weak reference name, and the typeof name.
1975 (__gthrw): Avoid expanding the declared name suffix.
1976 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
1978 2006-03-01 Jakub Jelinek <jakub@redhat.com>
1980 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
1982 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
1983 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
1984 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
1985 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
1986 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
1987 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
1988 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
1989 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
1990 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
1991 DW_DS_leading_separate, DW_DS_trailing_separate): New.
1992 (DW_END_default, DW_END_big, DW_END_little): New.
1993 (DW_END_lo_user, DW_END_hi_user): Define.
1994 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
1995 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
1996 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
1999 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2001 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
2003 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
2005 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
2007 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
2009 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
2010 to 'symbol_mem_tag'.
2012 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
2015 2006-03-01 Roger Sayle <roger@eyesopen.com>
2017 * builtins.c (fold_builtin_copysign): Delete unreachable code.
2019 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2022 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
2023 MACHO_DYNAMIC_NO_PIC_P.
2024 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
2026 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2029 * config/darwin-protos.h (darwin_asm_output_anchor):
2031 * config/darwin-sections.def (cstring_section):
2032 Add SECTION_MERGE to the flags.
2033 (literal4_section): Likewise.
2034 (literal8_section): Likewise.
2035 (objc_selector_refs_section): Likewise.
2036 (objc_cls_refs_section): Likewise.
2037 * config/darwin.c (darwin_asm_output_anchor): New
2039 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
2041 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
2043 Fix PR tree-optimization/26443
2044 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
2045 to todo and PROP_tmt_usage to properties_destroyed.
2046 * tree-ssa-ccp.c (pass_ccp): Ditto.
2047 (pass_store_ccp): Ditto.
2048 * tree-ssa-dom.c (pass_dominator): Ditto.
2050 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2052 * tree-ssa-operands.c: Cleanup whitespace.
2053 (get_asm_expr_operands): Move before first invocation.
2054 (get_indirect_ref_operands): Likewise.
2055 (get_tmr_operands): Likewise.
2056 (get_call_expr_operands): Likewise.
2057 (append_def): Likewise.
2058 (append_use): Likewise.
2059 (append_v_may_def): Likewise.
2060 (append_v_must_def): Likewise.
2061 (add_call_clobber_ops): Likewise.
2062 (add_call_read_ops): Likewise.
2063 (add_stmt_operand): Likewise.
2064 (add_virtual_operand): Likewise.
2065 (build_ssa_operands): Likewise.
2067 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2072 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
2073 with a call expr to ...
2074 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
2076 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2078 * tree-vrp.c (extract_range_from_assert): Remove special
2079 handling for types with super-types.
2081 2006-03-01 Ben Elliston <bje@au.ibm.com>
2083 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
2084 and powerpc64-*-linux* configurations.
2085 * config/t-dfprules: New file.
2087 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
2088 Compile dfp-bit.c from the source directory using -DWIDTH and
2089 $DFP_CFLAGS to control the compilation of that file, rather than
2090 generating width-specific versions in the build directory.
2091 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
2092 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
2094 2006-02-28 Zack Weinberg <zackw@panix.com>
2096 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
2099 2006-02-28 Eric Christopher <echristo@apple.com>
2101 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
2102 Set up IN_LIBGCC definition of TARGET_64BIT.
2103 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
2105 2006-02-28 Roger Sayle <roger@eyesopen.com>
2108 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
2109 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
2110 cases via the construction of "expr != 0".
2112 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
2114 * alias.c (alias_invariant, alias_invariant_size): Remove.
2115 (record_base_value): Remove.
2116 (memrefs_conflict_p): Don't look at alias_invariant.
2117 (end_alias_analysis): Don't free it.
2118 * alias.h (record_base_value): Remove prototype.
2120 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
2121 Adam Nemet <anemet@caviumnetworks.com>
2123 * rtl.h (truncated_to_mode): Declare it.
2124 (struct rtl_hooks): Add reg_truncated_to_mode hook.
2125 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
2126 (RTL_HOOKS_INITIALIZER): Include it.
2127 * rtlhooks.c (reg_truncated_to_mode_general): New function.
2128 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
2129 reg_truncated_to_mode.
2130 * rtlanal.c (truncated_to_mode): Define it.
2131 * simplify-rtx.c (simplify_unary_operation_1): Use it.
2133 2006-02-28 Jeff Law <law@redhat.com>
2135 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
2136 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
2137 the range allowed by TYPE_PRECISION.
2139 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
2141 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
2143 PR tree-optimization/26419
2144 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
2147 2006-02-27 Zack Weinberg <zackw@panix.com>
2149 * doc/md.texi: Fix typo in previous change.
2151 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
2155 2006-02-27 Zack Weinberg <zackw@panix.com>
2157 * rtl.def (define_constraint, define_register_constraint)
2158 (define_memory_constraint, define_address_constraint): New MD forms.
2159 * gensupport.c (process_rtx): Put define_constraint etc on the
2161 * genpreds.c (process_define_predicate): Adjust comment. Validate
2162 the name, and call validate_exp to validate the expression.
2163 (mark_mode_tests, write_extract_subexp): Can assume correct input.
2164 (write_predicate_expr): Likewise. NAME argument no longer necessary;
2165 all callers changed.
2166 (validate_exp, needs_variable, struct constraint_data)
2167 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
2168 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
2169 (const_dbl_constraints, constraint_max_namelen)
2170 (have_register_constraints, have_memory_constraints)
2171 (have_address_constraints, have_address_constraints)
2172 (have_extra_constraints, have_const_int_constraints)
2173 (have_const_dbl_constraints, mangle, add_constraint)
2174 (process_define_constraint, process_define_register_constraint)
2175 (write_enum_constraint_num, write_lookup_constraint)
2176 (write_insn_constraint_len, write_regclass_for_constraint)
2177 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
2178 (write_insn_extra_memory_constraint)
2179 (write_insn_extra_address_constraint)
2180 (write_satisfies_constraint_fns): New.
2181 (write_tm_preds_h): If we have new-style constraint definitions,
2182 prototype the functions generated from them, and define the
2183 old constraint interface (still used by generic code) in terms of
2185 (write_insn_preds_c): If we have new-style constraint definitions,
2186 generate all relevant functions from those definitions.
2187 (main): Handle define_constraint etc.
2188 * genoutput.c (struct constraint_data, indep_constraints)
2189 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
2190 (mdep_constraint_len): New data structures and functions, defined
2191 #ifdef USE_MD_CONSTRAINTS.
2192 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
2193 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
2194 use new logic to validate operand constraints against constraint
2196 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
2198 * defaults.h: If none of the old-style constraint macros are
2199 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
2200 old-style macros; and poison REG_CLASS_FROM_LETTER,
2201 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
2203 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
2204 * doc/md.texi: Document new constraint-definition mechanism and the
2205 C interface it provides. Remove references to old mechanism
2206 elsewhere in the document.
2207 (Machine Constraints): Use pathnames relative to gcc directory,
2208 i.e. config/ARCH/FILE. Change i386 section to refer to
2209 config/i386/predicates.md; update that section to match docstrings.
2210 * doc/tm.texi: Move all documentation of the old constraint-
2211 definition macros to their own section, clearly mark as obsolete.
2213 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
2214 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
2216 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
2217 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
2218 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
2220 (splits and peepholes): Use satisfies_constraint_*.
2221 * config/i386/i386.c (memory_address_length)
2222 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
2224 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
2226 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
2227 scalar operation to be put back into the loop.
2229 2006-02-27 Jakub Jelinek <jakub@redhat.com>
2232 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
2233 (extract_cie_info): Handle S flag in augmentation string.
2234 (execute_cfa_program): If context->signal_frame, execute also
2235 fs->pc == context->ra instructions.
2236 (uw_frame_state_for): If context->signal_frame, don't subtract one
2237 from context->ra to find FDE.
2238 (uw_update_context_1): Set context->signal_frame to
2240 (_Unwind_GetIPInfo): New function.
2241 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
2242 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
2244 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
2245 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
2246 * unwind-compat.c (_Unwind_GetIPInfo): New function.
2247 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
2248 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
2249 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
2250 * config/i386/linux-unwind.h (x86_fallback_frame_state,
2251 x86_64_fallback_frame_state): Set fs->signal_frame.
2252 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
2253 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
2254 (frob_update_context): Likewise. Workaround missing S flag in
2255 Linux 2.6.12 - 2.6.16 kernel vDSOs.
2256 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
2257 Remove the psw_addr + 1 hack.
2259 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
2261 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
2262 with aggregates here.
2263 (find_func_aliases): Remove code for &<aggregate> from here.
2265 2006-02-26 Roger Sayle <roger@eyesopen.com>
2267 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
2268 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
2269 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
2272 2006-02-26 Roger Sayle <roger@eyesopen.com>
2275 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
2277 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
2279 * opts.c (decode_options): Do not handle flag_strength_reduce.
2280 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
2281 and OPT_fstrength_reduce.
2282 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
2283 flag_prefetch_loop_arrays for being nonzero.
2284 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
2286 (fprefetch-loop-arrays-rtl): Removed.
2287 (flag_prefetch_loop_arrays): Do not specify the value.
2289 * doc/passes.texi: Update documentation of loop optimizer
2291 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
2292 -frerun-loop-opt): Remove.
2294 2006-02-26 Richard Guenther <rguenther@suse.de>
2296 PR tree-optimization/26421
2297 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
2298 in function calls that are ADDR_EXPRs as using the whole structure.
2300 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
2302 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
2303 * tree-pass.h (pass_loop_optimize): Remove.
2304 * passes.c (pass_loop_optimize): Never run it.
2305 * toplev.c (backend_init): Don't call init_loop.
2306 * opts.c (flag_loop_optimize_set): Remove.
2307 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
2308 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
2309 the old RTL loop optimizer when profiling enabled.
2310 * predict.c (tree_estimate_probability): Always strip builtin_expect.
2311 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
2312 pre-headers for the sake of the old RTL loop optimizer.
2313 * Makefile.in: Remove all references to loop.o.
2315 * doc/invoke.texi: Remove all references to -floop-optimize
2316 and -frerun-loop-opt.
2318 2006-02-26 Zack Weinberg <zackw@panix.com>
2320 * doc/md.texi (Machine Constraints): Refer to all files with paths
2321 relative to gcc directory (i.e. config/CPU/file). Add missing
2322 @table @code ... @end table to M32C subsection.
2324 2006-02-26 Roger Sayle <roger@eyesopen.com>
2326 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
2328 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
2330 2006-02-26 Roger Sayle <roger@eyesopen.com>
2331 James A. Morrison <phython@gcc.gnu.org>
2334 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
2335 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
2336 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
2337 signedness of the shift operation.
2339 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
2341 PR tree-optimization/26359
2342 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
2344 2006-02-25 Roger Sayle <roger@eyesopen.com>
2346 * simplify-rtx.c (simplify_relational_operation_1): Simplify
2347 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
2348 as X == 0, and some symmetry related transformations.
2349 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
2351 2006-02-25 Roger Sayle <roger@eyesopen.com>
2354 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
2355 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
2356 symmetry related transformations. Fold (X^C1) == C2 as
2359 2006-02-25 Juergen Weigert <jw@suse.de>
2360 Richard Guenther <rguenther@suse.de>
2362 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
2364 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
2366 * combine.c (gen_lowpart_or_truncate): Call
2367 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
2369 2006-02-24 Diego Novillo <dnovillo@redhat.com>
2371 * doc/invoke.texi: Move -fopenmp description to "Options for
2373 Remove reference to -lgomp.
2375 2006-02-24 David Edelsohn <edelsohn@gnu.org>
2377 * doc/install.texi: Require GNU tar version 1.14.
2379 2006-02-24 Geoffrey Keating <geoffk@apple.com>
2381 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
2382 * doc/invoke.texi (C++ Dialect Options): Document
2383 -fno-use-cxa-get-exception-ptr.
2384 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
2385 * configure: Regenerate.
2386 * c.opt (fuse-cxa-get-exception-ptr): New.
2387 * c-opts.c (c_common_handle_option): Handle
2388 OPT_fuse_cxa_get_exception_ptr.
2389 * c-common.c (flag_use_cxa_atexit): Update documentation.
2390 (flag_use_cxa_get_exception_ptr): New.
2391 * c-common.h (flag_use_cxa_get_exception_ptr): New.
2392 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
2394 (C_COMMON_OVERRIDE_OPTIONS): New.
2396 2006-02-24 Roger Sayle <roger@eyesopen.com>
2399 * combine.c (try_combine): Explicitly check whether GET_CODE is
2400 a SET or a CLOBBER, instead on checking that it isn't a USE.
2402 2006-02-24 Roger Sayle <roger@eyesopen.com>
2404 * fold-const.c (fold_comparison): New subroutine of fold_binary
2405 containing transformations common to both the equality and
2406 ordering relational operators, factored out of fold_binary.
2407 (fold_binary): Separate out the equality operators (EQ_EXPR
2408 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
2409 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
2410 transformations common to both.
2411 (fold_div_compare): Fix latent bugs in the previously unreachable
2412 LT_EXPR and GE_EXPR cases.
2414 2006-02-24 David Edelsohn <edelsohn@gnu.org>
2416 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
2417 decl libname for clog to __clog on AIX.
2419 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
2421 2006-02-24 Alan Modra <amodra@bigpond.net.au>
2424 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
2425 output traceback table for thunks. Localise rs6000_stack_info call.
2427 2006-02-23 Roger Sayle <roger@eyesopen.com>
2428 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2430 * gthr-posix.h (__gthrw): Fix typo in comment.
2432 2006-02-23 Geoffrey Keating <geoffk@apple.com>
2434 * doc/cpp.texi (Character sets): Document that we do support
2435 input files to be in any character set.
2437 2006-02-23 Jeff Law <law@redhat.com>
2439 * tree.h (PHI_ARG_NONZERO): Remove.
2440 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
2441 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
2442 node to the new node.
2444 PR tree-optimization/26425
2445 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
2446 min/max, then assume its varying.
2448 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
2450 PR rtl-optimization/26316
2451 * rtlanal.c (enum may_trap_p_flags): New.
2452 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
2453 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
2454 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
2455 (may_trap_after_code_motion_p): New function.
2456 * loop-invariant.c (find_identical_invariants): Fix dump formating.
2457 (find_invariant_insn): Use may_trap_after_code_motion_p.
2458 * rtl.h (may_trap_after_code_motion_p): Declare.
2460 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
2462 * emit-rtl.c (immed_double_const): Cleanup.
2464 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
2466 Fix PR tree-optimization/26376
2467 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
2470 2006-02-23 Jakub Jelinek <jakub@redhat.com>
2473 * gimplify.c (omp_add_variable): Guard variable size decl test with
2474 DECL_SIZE (decl) check.
2476 2006-02-23 Richard Guenther <rguenther@suse.de>
2479 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
2480 like aggregate types.
2482 2006-02-23 Jakub Jelinek <jakub@redhat.com>
2484 * configure.ac: Add --with{,out}-long-double-128 configure option.
2485 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
2486 * configure: Rebuilt.
2487 * config.in: Rebuilt.
2488 * doc/install.texi (Options specification): Document
2489 --with-long-double-128.
2491 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
2492 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
2493 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
2494 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
2496 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
2498 * config/s390/s390.c (override_options): Handle
2499 TARGET_DEFAULT_LONG_DOUBLE_128.
2501 * config/alpha/alpha.c (override_options): Handle
2502 TARGET_DEFAULT_LONG_DOUBLE_128.
2504 * config/sparc/sparc.c (sparc_override_options): Handle
2505 TARGET_DEFAULT_LONG_DOUBLE_128.
2507 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
2509 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
2510 (real-install-headers-tar, real-install-headers-cpio)
2511 (real-install-headers-cp): New targets.
2513 2006-02-22 Richard Sandiford <richard@codesourcery.com>
2515 * tree.h (variable_section): Delete.
2516 * varasm.c (variable_section): Delete.
2518 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
2520 * install.texi: Add notes on install.texi2html.
2521 (Building in parallel): Do not use footnotes.
2523 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
2526 * doc/install.texi (Configuration): Document --disable-libgomp.
2528 2006-02-21 Geoffrey Keating <geoffk@apple.com>
2530 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
2532 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
2534 * config/i386/sse.md (vec_extractv2df_1_sse): New.
2535 (vec_extractv2df_0_sse): New.
2537 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
2539 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
2540 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
2541 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
2542 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
2543 to the result of the expression.
2544 (def_cfa_1): Adjust.
2545 (frame_pointer_cfa_offset): Rename to...
2546 (frame_pointer_fb_offset): ... this. Adjust all uses.
2547 (convert_cfa_to_loc_list): Rename to...
2548 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
2549 Pass it on to build_cfa_loc.
2550 (compute_frame_pointer_to_cfa_displacement): Rename to...
2551 (compute_frame_pointer_to_fb_displacement): ... this. New
2552 offset parameter. Use it in computation.
2553 (gen_subprogram_die): Compute cfa_fb_offset with the new
2554 macro, and use it to compute the fb loc list and the
2557 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
2559 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
2560 replaced with register_operand.
2561 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
2562 non-DREG is expensive.
2563 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
2564 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
2567 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
2569 * doc/install.texi2html: Use set -e.
2571 2006-02-21 Richard Sandiford <richard@codesourcery.com>
2573 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
2574 (ASM_OUTPUT_SHARED_LOCAL): Delete.
2575 * doc/invoke.texi (-fshared-data): Delete.
2576 * common.opt (fshared-data): Delete.
2577 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
2578 (assemble_static_space): Remove #if 0 code.
2579 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
2580 (ASM_OUTPUT_SHARED_LOCAL): Poison.
2581 * config/cris/cris.h: Remove FIXME.
2583 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
2585 * doc/sourcebuild.texi (Front End Directory): No more double-colon
2588 2006-02-21 Jakub Jelinek <jakub@redhat.com>
2591 * combine.c (simplify_shift_const_1): Disable nested shifts
2592 optimization for vector shifts.
2594 2006-02-20 Roger Sayle <roger@eyesopen.com>
2596 PR tree-optimization/26361
2597 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
2598 of unsigned integer types.
2600 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
2602 * tree-chrec.c (eq_evolutions_p): New.
2603 * tree-chrec.h (eq_evolutions_p): Declared.
2604 * tree-data-ref.c: Fix formatting.
2605 (datadep_stats, dependence_stats): New.
2607 (print_direction_vector): New.
2608 (dump_data_dependence_relation): Use print_direction_vector.
2609 (object_analysis, create_data_ref): Handle COMPONENT_REF.
2610 (compute_subscript_distance): Static.
2611 (initialize_data_dependence_relation): Static. Get the number
2612 of loops surrounding the references from the callers, and initialize
2613 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
2614 base_object_differ_p analyzers.
2615 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
2616 compute_overlap_steps_for_affine_1_2,
2617 analyze_subscript_affine_affine): Count the classified dependences.
2618 Print a message when a test failed.
2619 (can_use_analyze_subscript_affine_affine): New.
2620 (analyze_siv_subscript): Compute the data dependences on symbolic
2621 scevs that verify can_use_analyze_subscript_affine_affine.
2622 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
2623 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
2624 Handle symbolic scevs.
2625 (analyze_overlapping_iterations): Let symbolic affine scevs to be
2627 (subscript_dependence_tester): Moved...
2628 (build_classic_dist_vector, build_classic_dir_vector): Don't use
2629 lambda_vector_clear on newly allocated vectors. Get nb_loops from
2630 DDR_SIZE_VECT instead of getting it in parameter.
2631 (subscript_dependence_tester): ... here. Take as a parameter
2632 loop_nest_depth. Call build_classic_dist_vector and
2633 build_classic_dir_vector.
2634 (compute_affine_dependence): Update subscript_dependence_tester
2635 parameters. Update datadep_stats counters. Call
2636 compute_subscript_distance.
2637 (compute_self_dependence): Save the dist and dir vectors. Call
2638 compute_subscript_distance.
2639 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
2640 (compute_all_dependences): Reorder parameters as they were before
2641 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
2642 compute_subscript_distance. Update the use of
2643 compute_affine_dependence and initialize_data_dependence_relation.
2644 (find_data_references_in_loop): Handle COMPONENT_REF.
2645 (compute_data_dependences_for_loop): Initialize dependence_stats.
2646 Don't call build_classic_dist_vector and build_classic_dir_vector.
2647 Update the parameters of initialize_data_dependence_relation and
2648 compute_all_dependences. Print the statistics from datadep_stats.
2649 (analyze_all_data_dependences): Static. Not used until the pass for
2650 checking the data dependences is contributed.
2651 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
2652 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
2653 (initialize_data_dependence_relation, compute_affine_dependence,
2654 analyze_all_data_dependences, compute_subscript_distance): Removed.
2655 (print_direction_vector): New.
2656 * lambda.h (gcd): ... here.
2657 (lambda_vector_gcd): Moved here from gcd_vector.
2658 * lambda-code.c (gcd, gcd_vector): Removed.
2659 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
2660 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
2662 2006-02-20 Diego Novillo <dnovillo@redhat.com>
2664 * ipa-type-escape.c: Tidy some comments and white space.
2665 * tree-ssa-operands.c: Likewise.
2667 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
2670 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
2671 (dump_decl_name): Do not walk the decl tree chains.
2672 * tree-pass.h (TDF_CHAIN): Remove.
2674 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
2676 * Makefile.in (C): Remove
2678 (.PHONY): Remove C and PROTO
2680 2006-02-20 Roger Sayle <roger@eyesopen.com>
2683 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
2684 deprecated CHAR_TYPE tree code.
2686 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
2688 * configure.ac (target_list): Add install-info, dvi, html.
2689 * configure: Regenerate.
2691 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
2692 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
2693 treelang/Make-lang.in: Do not use double-colon rules.
2695 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
2697 * tree.h (struct tree_memory_tag): Add is_used_alone member.
2698 (TMT_USED_ALONE): New macro.
2699 * tree-pass.h (PROP_tmt_usage): New property.
2700 (TODO_update_tmt_usage): New todo.
2701 * tree-ssa-alias.c (updating_used_alone): New variable.
2702 (recalculate_used_alone): New function.
2703 (compute_may_aliases): Set updating_used_alone, call
2704 recalculate_used_alone.
2705 * tree-sra.c (pass_sra): Note that this pass destroys
2706 PROP_tmt_usage, and add TODO_update_tmt_usage.
2707 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
2708 * tree-flow.h (updating_used_alone): Prototype.
2709 (recalculate_used_alone): Ditto.
2710 * passes.c (execute_todo): Add code to set updating_used_alone,
2711 and call recalculate.
2712 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
2713 for clobber if used alone, and add assert to verify used_alone
2716 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
2718 * config/s390/s390.c (legitimize_pic_address): Assertions checking
2719 for non tls symbols added.
2720 (legitimize_address): Do nothing for PLUS expressions if one of the
2721 addends is a tls symbol reference.
2723 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
2727 * Makefile.in (LDFLAGS): Define from autoconf substitution.
2729 * Makefile.in (BOOTSTRAPPING): New.
2730 (quickstrap): New definition if BOOTSTRAPPING=yes.
2732 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
2733 * configure.ac: Substitute all_selected_languages with the languages
2734 that were configured. For all the other variables except
2735 lang_specs_files, include all the languages in the tree.
2736 * configure: Regenerate.
2738 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
2739 if there is one. Run the commands to run fixincludes in the same
2742 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
2743 * doc/install.texi: Document exact conventions for searching target tools.
2744 Document --with-build-time-tools. Document toplevel bootstrap. Document
2745 something more about building an Ada cross-compiler. Don't list GNU Make
2746 requirements which affect all platforms.
2748 2006-02-19 Roger Sayle <roger@eyesopen.com>
2751 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
2752 only equivalent if the have both the same mode and precision.
2754 2006-02-20 Ben Elliston <bje@au.ibm.com>
2756 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
2758 2006-02-19 Roger Sayle <roger@eyesopen.com>
2759 Steven Bosscher <stevenb.gcc@gmail.com>
2761 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
2762 constant pool references to identify stack mode constants.
2763 * rtlanal.c (constant_pool_constant_p): New predicate to check
2764 whether operand is a floating point constant in the pool.
2765 * rtl.h (constant_pool_constant_p): Prototype here.
2766 * loop.c (scan_loop): Avoid hoisting constants from the constant
2767 pool on STACK_REGS targets.
2768 (load_mems): Likewise.
2769 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
2770 loads into x87 registers expensive in terms of register pressure.
2772 2006-02-19 Roger Sayle <roger@eyesopen.com>
2774 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
2775 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
2777 2006-02-19 David Edelsohn <edelsohn@gnu.org>
2779 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
2780 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
2782 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
2784 * doc/invoke.texi: Document -fipa-pta.
2785 * common.opt: Add ipa-pta option.
2786 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
2787 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
2788 (do_ds_constraint): Ditto.
2789 (get_constraint_for): Only add to referenced_vars if
2790 referenced_vars exists.
2791 (insert_into_field_list): Rewrite to do this unsorted.
2792 (insert_into_field_list_sorted): Rename old insert_into_field_list
2794 (create_function_info_for): Use insert_into_field_list_sorted.
2795 (create_variable_info_for): Rewrite so it uses unsorted version,
2796 since the field list is sorted.
2797 (intra_create_variable_infos): Only add to referenced_vars if
2798 referenced_vars exists.
2799 (ipa_pta_execute): Init heapvars, and delete when done.
2800 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
2802 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2804 * doc/install.texi: Add missing `@samp'.
2806 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
2808 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
2811 2006-02-18 Mark Wielaard <mark@klomp.org>
2813 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
2814 who added new 4.1 features, bug fixes and integration support.
2816 2006-02-18 David Edelsohn <edelsohn@gnu.org>
2819 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
2822 2006-02-18 Richard Sandiford <richard@codesourcery.com>
2824 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
2825 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
2826 (copy_insn_1): Likewise. Don't copy each field individually.
2828 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
2830 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
2831 * rtl.c (rtx_size): Rename variable to...
2832 (rtx_code_size): ...this.
2833 (rtx_size): New function.
2834 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
2835 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
2837 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
2838 * rtl.h (rtx_code_size): New variable.
2839 (rtx_size): Change from a variable to a function.
2840 (RTX_SIZE): Rename to...
2841 (RTX_CODE_SIZE): ...this.
2844 PR tree-optimization/17106
2845 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
2846 (Anchored Addresses): New section.
2847 * doc/invoke.texi (-fsection-anchors): Document.
2848 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
2849 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
2850 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
2851 * hooks.c (hook_bool_mode_rtx_false): New function.
2852 * hooks.h (hook_bool_mode_rtx_false): Declare.
2853 * gengtype.c (create_optional_field): New function.
2854 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
2855 SYMBOL_REF_IN_BLOCK_P is true.
2856 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
2857 (min_anchor_offset, max_anchor_offset): Likewise.
2858 (use_anchors_for_symbol_p): New hook.
2859 * toplev.c (compile_file): Call output_object_blocks.
2860 (target_supports_section_anchors_p): New function.
2861 (process_options): Check that -fsection-anchors is only used on
2862 targets that support it and when -funit-at-a-time is in effect.
2863 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
2864 if the decl doesn't have one.
2865 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
2866 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
2867 of force_const_mem through use_anchored_address.
2868 (expand_expr_constant): New function.
2869 (expand_expr_addr_expr_1): Call it. Use the same modifier when
2870 calling expand_expr for INDIRECT_REF.
2871 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
2872 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
2873 * expr.h (use_anchored_address): Declare.
2874 * loop-unroll.c: Don't declare rtx vectors here.
2875 * explow.c: Include output.h.
2876 (validize_mem): Call use_anchored_address.
2877 (use_anchored_address): New function.
2878 * common.opt (-fsection-anchors): New switch.
2879 * varasm.c (object_block_htab, anchor_labelno): New variables.
2880 (hash_section, object_block_entry_eq, object_block_entry_hash)
2881 (use_object_blocks_p, get_block_for_section, create_block_symbol)
2882 (use_blocks_for_decl_p, change_symbol_section): New functions.
2883 (get_variable_section): New function, split out from assemble_variable.
2884 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
2885 use_blocks_for_decl_p say so. Use change_symbol_section if the
2886 symbol has already been created.
2887 (assemble_variable_contents): New function, split out from...
2888 (assemble_variable): ...here. Don't output any code for
2889 block symbols; just pass them to place_block_symbol.
2890 Use get_variable_section and assemble_variable_contents.
2891 (get_constant_alignment, get_constant_section, get_constant_size): New
2892 functions, split from output_constant_def_contents.
2893 (build_constant_desc): Create a block symbol if use_object_blocks_p
2894 says so. Or into SYMBOL_REF_FLAGS.
2895 (assemble_constant_contents): New function, split from...
2896 (output_constant_def_contents): ...here. Don't output any code
2897 for block symbols; just pass them to place_section_symbol.
2898 Use get_constant_section and get_constant_alignment.
2899 (force_const_mem): Create a block symbol if use_object_blocks_p and
2900 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
2901 (output_constant_pool_1): Add an explicit alignment argument.
2902 Don't switch sections here.
2903 (output_constant_pool): Adjust call to output_constant_pool_1.
2904 Switch sections here instead. Don't output anything for block symbols;
2905 just pass them to place_block_symbol.
2906 (init_varasm_once): Initialize object_block_htab.
2907 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
2908 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
2909 (place_block_symbol, get_section_anchor, output_object_block)
2910 (output_object_block_htab, output_object_blocks): New functions.
2911 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
2912 (TARGET_ASM_OUT): Include it.
2913 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
2914 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
2915 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
2916 (TARGET_INITIALIZER): Include them.
2917 * rtl.c (rtl_check_failed_block_symbol): New function.
2918 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
2919 (block_symbol, object_block): New structures.
2920 (rtx_def): Add a block_symbol field to the union.
2921 (BLOCK_SYMBOL_CHECK): New macro.
2922 (rtl_check_failed_block_symbol): Declare.
2923 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
2924 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
2925 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
2926 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
2927 * output.h (output_section_symbols): Declare.
2928 (object_block): Name structure.
2929 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
2930 (default_use_anchors_for_symbol_p): Declare.
2931 * Makefile.in (RTL_BASE_H): Add vec.h.
2932 (explow.o): Depend on output.h.
2933 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
2934 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
2935 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
2936 (rs6000_use_blocks_for_constant_p): New function.
2938 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2940 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
2942 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
2945 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
2948 2006-02-18 Diego Novillo <dnovillo@redhat.com>
2950 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
2954 2006-02-18 Jakub Jelinek <jakub@redhat.com>
2957 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
2958 instead of DECL_REGISTER.
2960 2006-02-18 Olivier Hainque <hainque@adacore.com>
2963 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
2965 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
2968 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
2969 * opth-gen.awk: Handle Var and InverseMask together.
2970 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
2971 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
2972 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
2973 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
2975 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
2976 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
2977 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
2978 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
2979 LINUX_DYNAMIC_LINKER): Define.
2980 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
2981 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
2983 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2984 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
2985 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2986 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2987 (TARGET_C99_FUNCTIONS): Don't define.
2988 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
2989 GLIBC_DYNAMIC_LINKER.
2990 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
2991 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
2992 GLIBC_DYNAMIC_LINKER64): Define.
2993 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
2994 LINUX_DYNAMIC_LINKER64.
2995 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2996 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2997 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
2998 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2999 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3000 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3001 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
3002 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
3003 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
3004 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
3005 and LINUX_DYNAMIC_LINKER32.
3006 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3007 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3008 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
3009 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3010 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
3012 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
3013 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
3014 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
3015 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3016 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3017 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
3018 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
3019 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
3020 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3021 LINUX_DYNAMIC_LINKER): Define.
3022 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
3023 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
3024 GLIBC_DYNAMIC_LINKER64): Define.
3025 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
3026 LINUX_DYNAMIC_LINKER64.
3027 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3028 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3029 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
3030 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3031 LINUX_DYNAMIC_LINKER): Define.
3032 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3033 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
3034 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
3035 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
3036 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
3037 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3038 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
3039 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
3040 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
3041 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3042 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3043 * doc/invoke.texi (-muclibc): Remove caveat about supported
3046 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
3048 * doc/cpp.texi (__TIMESTAMP__): Document.
3050 2006-02-17 Roger Sayle <roger@eyesopen.com>
3053 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
3054 C is one less than the width of X (and related transformations).
3055 * simplify-rtx.c (simplify_unary_operation_1): Transform
3056 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
3057 depending on STORE_FLAG_VALUE, were C is one less then the
3060 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
3062 Fix PR tree-optimization/26341
3063 * tree-ssa-operands.c (add_virtual_operand): Remove assert
3064 about NAME_MEMORY_TAG's.
3066 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3069 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
3070 with hardware float support, and software float support. Add fcpy
3071 alternative to hardware patterns. Add alternatives to copy between
3072 general and floating-point registers to the 32-bit pattern.
3073 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
3074 secondary reload to load a QI or HI mode constant into a floating
3076 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
3077 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
3079 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
3082 * config/rs6000/darwin.md (load_macho_picbase_si): Add
3084 (load_macho_picbase_di): Likewise.
3086 2006-02-16 Jeff Law <law@redhat.com>
3088 * tree-vrp.c (set_value_range_to_nonnegative): New function.
3089 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
3090 (ssa_name_nonzero_p): Likewise.
3091 (get_value_range): Return NULL if VRP is not running.
3092 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
3093 VRP routines do not discover a range.
3094 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
3095 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
3096 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
3097 (tree_expr_nonnegative_p): Similarly.
3098 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
3099 (restore_nonzero_vars_to_original_value): Remove.
3100 (unsafe_associative_fp_binop): Remove.
3101 (tree_ssa_dominator_optimize): Remove initialization and
3102 finalization of nonzero_vars and nonzero_vars_stack.
3103 (dom_opt_initialize_block): No longer push marker on
3105 (dom_opt_finalize_block): No longer call
3106 restore_nonzero_vars_to_original_value.
3107 (record_equivalences_from_phis): No longer look for
3108 nonzero PHI arguments.
3109 (cprop_into_successor_phis): No longer propagate nonzero
3110 property into PHI arguments. Lose unused argument. Caller
3112 (record_equivalences_from_stmt): No longer record nonzero
3113 values for SSA_NAMEs.
3114 (lookup_avail_expr): No longer use nonzero_vars.
3116 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
3117 for sizetype when sizetype is unsigned.
3119 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
3121 PR rtl-optimization/25603
3122 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
3123 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
3124 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
3125 with new meaning of SETS.
3127 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
3132 * config/linux.opt: New file.
3133 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
3134 LINUX_DYNAMIC_LINKER): Define.
3135 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
3136 * config.gcc (*-*-linux*): Define extra_options.
3137 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
3138 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
3139 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
3140 GLIBC_DYNAMIC_LINKER.
3141 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
3142 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3143 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3144 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3145 * doc/invoke.texi (GNU/Linux Options): New section.
3147 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3149 * config/sparc/sparc.md (setjmp): Rewrite.
3150 (setjmp_32): Delete.
3151 (setjmp_64): Likewise.
3153 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
3155 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
3158 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
3160 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
3163 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
3165 PR rtl-optimization/26296
3166 * Makefile.in (loop-invariant.c): Add except.h dependency.
3167 * loop-invariant.c: Include except.h.
3168 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
3170 2005-02-16 Paul Brook <paul@codesourcery.com>
3172 * reload1.c (emit_reload_insns): Invalidate dead input registers used
3175 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
3177 PR rtl-optimization/25636
3178 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
3179 when deciding whether an insn is an initializing insn.
3181 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
3183 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
3184 (tree_code_size): Ditto.
3185 * tree.h (struct tree_memory_tag): Remove parent_var.
3186 (struct tree_struct_field_tag): New.
3189 (union tree_node): Add sft member.
3190 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
3192 (create_sft): Add size and offset argument, set SFT_OFFSET and
3194 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
3195 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
3196 * tree-flow-inline.h (get_subvar_at): Update for
3197 SFT_OFFSET/SFT_SIZE.
3198 (var_can_have_subvars): Ditto.
3199 (overlap_subvar): Ditto.
3200 * print-tree.c (print_node): Print out interesting things for
3202 * tree-flow.h (struct subvar): Remove offset and size members.
3203 * tree-ssa-operands.c (get_expr_operands): Update for
3204 get_indirect_ref_operands changes.
3205 (get_indirect_ref_operands): Call add_virtual_operand instead of
3206 add_stmt_operand. Only recurse on base var if requested.
3207 (access_can_touch_variable): New function.
3208 (add_stmt_operand): Split virtual operand handling into ...
3209 (add_virtual_operand): Here. Add offset, size, and for_clobber
3210 arguments. Prune alias sets.
3211 (add_call_clobber_ops): Call add_virtual_operand.
3213 2006-02-15 Jakub Jelinek <jakub@redhat.com>
3216 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
3218 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
3219 than TREE_CODE as index into omp_clause_num_ops array.
3221 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
3223 PR rtl-optimization/26184
3224 * modulo-sched.c (generate_reg_moves): Free bitmap vector
3226 * modulo-sched.c (sms_schedule): Free g_arr pointer.
3227 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
3228 must_precede, must_follow and tobe_scheduled.
3231 * opts.c (common_handle_option): Free new_option pointer.
3232 * df-core.c (df_analyze): Free postorder pointer.
3234 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
3236 * Makefile.in: Fix the examples about the use of stamps
3238 2006-02-15 Michael Matz <matz@suse.de>
3242 * stor-layout.c (layout_decl): Zero-width bitfields aren't
3243 influenced by maximum_field_alignment or DECL_PACKED.
3244 (update_alignment_for_field): Ditto.
3245 (place_field): Ditto.
3246 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
3249 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
3251 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
3252 (debug_flow_info): Pass it.
3253 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
3254 * bb-reorder.c (reorder_basic_blocks): Likewise.
3255 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
3256 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
3257 * flow.c (life_analysis, recompute_reg_usage): Likewise.
3258 * gcse.c (gcse_main, bypass_jumps): Likewise.
3259 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
3260 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
3261 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
3262 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
3263 * rtl.h (dump_flow_info): Adjust prototype.
3264 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
3265 * var-tracking.c (variable_tracking_main): Likewise.
3266 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
3267 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
3270 2006-02-15 Marcin Dalecki <martin@dalecki.de>
3272 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
3275 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
3277 PR tree-optimization/26209
3278 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
3279 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
3281 * tree-cfg.c (replace_uses_by): Do not alter cfg.
3283 2006-02-14 Roger Sayle <roger@eyesopen.com>
3286 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
3287 (X,Y) and the corresponding symmetry related transformations.
3288 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
3289 (X,Y) and its symmetry related transformations.
3291 2006-02-14 Roger Sayle <roger@eyesopen.com>
3293 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
3296 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
3298 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
3300 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3303 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
3304 support COMDAT group.
3305 * configure: Regenerate.
3307 2006-02-14 Roger Sayle <roger@eyesopen.com>
3312 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
3314 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
3316 Fix PR tree-optimization/26260
3318 * doc/invoke.texi (max-fields-for-field-sensitive): Document
3320 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
3321 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
3322 * tree-ssa-structalias.c (create_variable_info_for): Use
3323 MAX_FIELDS_FOR_FIELD_SENSITIVE.
3325 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
3327 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
3329 * tree-ssa-loop-niter.c (number_of_iterations_ne,
3330 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
3331 of the ending condition.
3332 * tree-ssa-loop-manip.c: Include params.h.
3333 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
3334 tree_unroll_loop): New functions.
3335 * tree-pass.h (pass_loop_prefetch): Declare.
3336 * loop.c (rest_of_handle_loop_optimize): Test for
3337 -fprefetch-loop-arrays-rtl.
3338 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
3339 * timevar.def (TV_TREE_PREFETCH): New timevar.
3340 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
3341 pass_loop_prefetch): New.
3342 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
3343 (cleanup_tree_cfg_loop): Call scev_reset.
3344 * common.opt (fprefetch-loop-arrays-rtl): Add.
3345 * tree-ssa-loop-prefetch.c: New file.
3346 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
3347 (new_temp_expr_table): Initialize expr_vars.
3348 (free_temp_expr_table): Cleanup expr_vars.
3349 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
3350 expressions from being merged into one.
3351 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
3352 (struct tree_niter_desc): Add control, bound and cmp fields.
3353 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
3355 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
3356 (tree-cfgcleanup.o): Add SCEV_H dependency.
3357 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
3358 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
3360 2006-02-14 Richard Guenther <rguenther@suse.de>
3362 PR tree-optimization/26258
3363 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
3364 in PHI argument processing.
3366 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
3368 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
3369 new expression in the requested machine mode.
3371 2006-02-13 Roger Sayle <roger@eyesopen.com>
3373 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
3374 directly, instead let do_compare_rtx_and_jump handle this for us.
3375 * expr.c (expand_expr_real_1): Likewise.
3376 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
3377 before do_jump_by_parts_greater.
3378 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
3379 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
3381 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3383 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
3385 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
3387 PR rtl-optimization/26235
3388 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
3389 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
3392 2006-02-13 Jeff Law <law@redhat.com>
3394 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
3397 2006-02-13 Jakub Jelinek <jakub@redhat.com>
3400 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
3401 twice if decl is a builtin. When trying again, call get_callee_fndecl
3402 first to verify it is still a builtin.
3404 2006-02-13 Geoffrey Keating <geoffk@apple.com>
3406 * dwarf2out.c (base_type_die): Don't add AT_name here.
3407 (subrange_type_die): Don't add AT_name here.
3408 (modified_type_die): Rearrange code flow. Do add AT_name here.
3410 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
3412 PR rtl-optimization/26247
3413 PR rtl-optimization/26248
3414 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
3416 2006-02-13 Richard Sandiford <richard@codesourcery.com>
3418 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
3419 * config/fixtfdi.c: Likewise.
3420 * config/fixunstfdi.c: Likewise.
3421 * config/floatditf.c: Likewise.
3423 2006-02-13 Roger Sayle <roger@eyesopen.com>
3426 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
3427 into (X,C2) if C1 is a subset of the bits of C2. Transform
3428 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
3430 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
3432 2006-02-13 Josh Conner <jconner@apple.com>
3435 * varasm.c (function_section): Check for section name before
3436 calling select_section on targets that define
3437 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
3438 unlikely_text_section instead of hot_function_section if
3439 first_function_block_is_cold.
3441 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
3444 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
3446 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
3448 PR rtl-optimization/26222
3449 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
3450 after tree->rtl expansion.
3451 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
3452 before passing it to emit_move_insn.
3454 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
3456 * doc/invoke.texi (-Write-strings): Document that it is enabled by
3458 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
3459 Clarify documentation.
3460 * c-common.h (warn_write_strings): Remove.
3461 * c-common.c (warn_write_strings): Likewise.
3462 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
3465 2006-02-12 Roger Sayle <roger@eyesopen.com>
3468 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
3469 (do_jump_parts_zero_rtx): New function renamed from
3470 do_jump_parts_equality_rtx. Made static. Add a mode argument.
3471 (do_jump_parts_equality_rtx): New function split out from
3472 do_jump_parts_equality. Old implementation renamed as above.
3473 Call do_jump_parts_zero_rtx if either operand is zero.
3474 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
3475 do all of the heavy lifting.
3476 (do_compare_rtx_and_jump): Handle multi-word comparisons by
3477 calling either do_jump_by_parts_greater_rtx or
3478 do_jump_by_parts_equality_rtx.
3479 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
3480 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
3481 moved to do_compare_rtx_and_jump, call it directly.
3482 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
3483 mode argument. Call do_compare_rtx_and_jump.
3484 (emit_case_nodes): Update calls to do_jump_if_equal.
3486 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
3488 PR rtl-optimization/26225
3489 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
3491 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
3493 PR rtl-optimization/26232
3494 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
3496 2006-02-11 Jason Merrill <jason@redhat.com>
3499 * tree-inline.c (declare_return_variable): Just don't use the
3500 modify target if it's a gimple complex reg and the return slot
3503 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3505 * doc/contrib.texi: Update my entry.
3507 2006-02-10 Geoffrey Keating <geoffk@apple.com>
3509 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
3511 2006-02-10 Diego Novillo <dnovillo@redhat.com>
3513 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
3516 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
3518 * doc/invoke.texi (-floop-optimize2): Removed.
3519 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
3520 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
3521 Test flag_branch_on_count_reg only if HAVE_doloop_end.
3522 * common.opt (floop-optimize2): Removed.
3523 (fmove-loop-invariants): Enabled by default.
3525 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
3527 * tree-if-conv.c (combine_blocks): Free the result of
3528 get_loop_exit_edges.
3530 2006-02-10 Jeff Law <law@redhat.com>
3532 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
3534 PR tree-optimization/26213
3535 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
3536 loop trying to follow SSA_NAME_VALUE chains.
3538 2006-02-10 Richard Guenther <rguenther@suse.de>
3540 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
3541 deal with structures that end in implicitly variable sized arrays.
3543 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
3545 PR rtl-optimization/24762
3546 * df-scan.c (df_bb_refs_record): Record correct registers defined on
3549 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
3551 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
3552 (struct ivopts_data): Add regs_used field.
3553 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
3554 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
3555 instead of loop_data->regs_used;
3556 (free_loop_data): Do not free aux fields for loops.
3557 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
3558 and tree_ssa_iv_optimize_finalize.
3560 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
3562 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
3564 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
3567 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
3568 computing the effective result type.
3570 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
3573 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
3574 (tree_overlaps_hard_reg_set): Declare.
3575 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
3576 type and signature to match function type expected by walk_tree.
3577 (tree_overlaps_hard_reg_set): New function.
3578 (decl_conflicts_with_clobbers_p): Rename to:
3579 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
3580 Use tree_overlaps_hard_reg_set. Changed caller.
3581 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
3582 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
3583 * cris.c (cris_md_asm_clobbers): Likewise.
3585 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
3587 * reload1.c (emit_input_reload_insns): Delete code that tries to
3588 inherit using find_equiv_reg.
3590 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
3592 * c-common.h (flag_const_strings): Don't declare.
3593 * c-common.c (flag_const_strings): Remove.
3594 * c.opt (fconst_strings): Remove.
3595 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
3596 <OPT_Wwrite_strings>: Don't set flag_const_strings.
3597 (c_common_init_options): Don't set flag_const_strings.
3598 * doc/invoke.texi (-fno-const-strings): Remove documentation.
3600 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
3602 * arm.md (tlobits_cbranch): New pattern.
3603 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
3604 testing a single bit.
3606 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
3609 * tree-ssa-pre.c (create_component_ref_by_pieces):
3610 Handle RETURN_DECL like VAR_DECL.
3612 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
3615 * fold-const.c (fold_indirect_ref_1): Fold
3616 "*(foo *)&complexfoo" to "__real__ complexfoo"
3617 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
3619 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
3621 * tree-flow-inline.h (var_can_have_subvars):
3622 Volatile variables should not have subvariables.
3624 2006-02-09 Diego Novillo <dnovillo@redhat.com>
3627 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
3628 multiplying unsigned values.
3631 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
3633 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
3635 2006-02-08 Jason Merrill <jason@redhat.com>
3638 * tree.def: Elaborate on difference from MODIFY_EXPR.
3639 * doc/c-tree.texi (INIT_EXPR): Likewise.
3640 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
3641 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
3642 (gimplify_target_expr): Likewise.
3643 (gimplify_cond_expr): Remove target handling.
3644 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
3645 (gimplify_expr): Clobber it here.
3646 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
3647 Do return slot optimization if we have an INIT_EXPR.
3650 * tree-inline.c (declare_return_variable): Also clear
3651 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
3654 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
3657 * gimplify.c (gimplify_one_sizepos): Fix typo.
3659 2006-02-08 Jeff Law <law@redhat.com>
3661 PR tree-optimization/21417
3662 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
3663 across a backedge if the control statement at the end of the
3664 block is data dependent on other statements in the same block.
3665 (record_temporary_equivalences_from_stmts): Remove over-conservative
3666 test for threading across backedges.
3668 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
3669 control statement, handle all three special cases in the same
3670 manner as they all have the same desired solution. No longer
3671 special case edge flag updating when the post dominator is
3674 2006-02-08 Roger Sayle <roger@eyesopen.com>
3676 * tree.def (CHAR_TYPE): Remove.
3677 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
3678 * dwarf2out.c (base_type_die, is_base_type): Likewise.
3679 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
3680 (gen_string_type_die): Delete unreachable function.
3682 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
3683 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
3684 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
3685 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
3686 * builtins.c (type_to_class): Likewise.
3687 * fold-const.c (fold_convert, build_range_check,
3688 merge_ranges): Likewise.
3689 * expr.c (count_type_elements): Likewise.
3690 * c-pretty-print.c (pp_c_type_specifier): Likewise.
3691 * stor-layout.c (layout_type): Likewise.
3692 * ipa-type-escape.c (type_to_consider): Likewise.
3693 * gimplify.c (omp_firstprivatize_type_sizes,
3694 gimplify_type_sizes): Likewise.
3695 * explow.c (promote_mode): Likewise.
3696 * tree-sra.c (is_sra_scalar_type): Likewise.
3697 * varasm.c (output_constant): Likewise.
3698 * tree-inline.c (remap_type_1): Likewise.
3699 * convert.c (convert_to_pointer, convert_to_real,
3700 convert_to_integer, convert_to_complex): Likewise.
3702 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
3704 * df-scan.c (df_def_record_1): A set destination may
3705 be a parallel regardless of mode.
3707 2006-02-08 Roger Sayle <roger@eyesopen.com>
3710 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
3711 * config/mips/_tilib.c: Remove.
3712 * config/fixtfdi.c: New libgcc source file.
3713 * config/fixunstfdi.c: New source file.
3714 * config/floatditf.c: New source file.
3715 * config/floatunditf.c: New souce file.
3716 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
3717 files above instead of config/mips/_tilib.c.
3718 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
3720 2006-02-08 Jeff Law <law@redhat.com>
3722 PR tree-optimization/26169
3723 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
3726 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
3728 * df.h (DF_REG_SIZE): Return the length of the initialized
3731 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
3733 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
3734 __muldf3): Return a correctly signed zero.
3736 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
3738 * passes.c (register_one_dump_file): Accept the current properties
3739 instead of pass number. Adjust call to dump_register. Remove
3741 (register_dump_files): Now a wrapper around...
3742 (register_dump_files_1): ... this one. Do not modify the pass
3744 (next_pass_1): Cosmetic fix.
3745 (execute_todo): Keep second parameter only. Use curr_properties
3746 instead of fetching it from the pass structure. Check and set
3748 (execute_one_pass): Handle TODO_set_props. Use curr_properties
3749 instead of fetching it from the pass structure. Fix calls to
3750 execute_todo. Update curr_properties and initialize .vcg RTL dump
3751 after running the pass. Reset last_verified.
3752 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
3754 (FIRST_AUTO_NUMBERED_DUMP): New.
3755 (dump_register): Remove "num" parameter, assign it within the
3757 (get_dump_file_name): Modify template for dumps.
3758 * tree-dump.h (dump_register): Adjust prototype.
3759 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
3760 (PROP_trees): Add PROP_gimple_lomp.
3761 (TODO_set_props): New.
3762 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
3763 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
3764 * cfgexpand.c (pass_expand): Destroy PROP_trees.
3766 2006-02-08 Jakub Jelinek <jakub@redhat.com>
3768 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
3769 (sparc64-*-linux*): Likewise.
3770 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
3771 * config/sparc/t-linux: New file.
3772 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
3773 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
3774 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
3775 -m32 -mlong-double-128.
3777 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
3778 * config/alpha/t-linux: New file.
3779 * config/alpha/libgcc-alpha-ldbl.ver: New file.
3781 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
3782 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
3783 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
3784 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
3785 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
3786 (CPP_ARCH32_SPEC): Remove.
3788 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
3790 PR tree-optimization/26145
3791 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
3794 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3797 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
3798 >= 240000 when generating code for SOM runtime.
3799 (output_indirect_call): Don't use "b,l" instruction for indirect calls
3800 to $$dyncall when generating code for SOM runtime..
3802 2006-02-07 Dirk Mueller <dmueller@suse.com>
3805 * doc/invoke.texi (-Wsequence-point): Update documentation
3806 that -Wsequence-point is implemented for C++ as well.
3808 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
3810 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
3811 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
3812 (LIB_SPEC): Likewise.
3813 * doc/invoke.texi (SPARC options): Document -pthread.
3815 2006-02-07 Geoffrey Keating <geoffk@apple.com>
3817 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
3820 2006-02-07 Roger Sayle <roger@eyesopen.com>
3822 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
3823 Correct comment describing BOOLEAN_TYPE.
3825 2006-02-07 Dirk Mueller <dmueller@suse.com>
3827 * c.opt: C++ frontend supports -Wdiv-by-zero.
3828 * c-opts.c (c_common_handle_option): Remove dead case.
3830 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
3832 * configure.ac (TLS assembler check): Do not enable TLS by
3833 default on SPARC/Solaris before version 10.
3834 * configure: Regenerate.
3836 2006-02-07 David Edelsohn <edelsohn@gnu.org>
3838 * doc/invoke.texi (xl-compat): Document conversion and support
3841 2006-02-07 Jeff Law <law@redhat.com>
3843 * tree-vrp.c (find_conditional_asserts): Update comments.
3844 (simplify_stmt_for_jump_threading): New.
3845 (identify_jump_threads, finalize_jump_threads): New.
3846 (vrp_finalize): Call identify_jump_threads.
3847 (execute_vrp): Call finalize_jump_threads.
3848 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
3849 (vrp_element, vrp_data, vrp_element_p): Remove.
3850 (vrp_hash_elt, vrp_variables_stack): Remove.
3851 (vrp_hash, vrp_eq, record_range): Remove.
3852 (simplify_cond_and_lookup_avail_expr): Remove.
3853 (extract_range_from_cond): Remove.
3854 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
3855 (simplify_stmt_for_jump_threading): New.
3856 (dom_thread_across_edge): New wrapper.
3857 (tree_ssa_dominator_optimize): No longer initialize or
3858 finalize any of the VRP datastructures. Remove iteration
3859 step and simplify as a result of removal of iteration step.
3860 (pass_dominator): Perform a cfg cleanup after DOM.
3861 (dom_opt_finalize_block): Use the new common routines
3862 for threading jumps. Simplify stack management slightly.
3863 No longer need to unwind VRP state.
3864 (record_equivalences_from_incoming_edge): No longer record
3866 (eliminate_redundant_computations): No longer call
3867 simplify_cond_and_lookup_avail_expr.
3868 * tree-flow.h (potentially_threadable_block): Prototype.
3869 (thread_across_edge): Likewise.
3870 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
3871 (tree-ssa-threadedge.o): Add dependencies.
3872 * tree-ssa-threadedge.c: New file.
3873 * passes.c (init_optimization_passes): Merge PHIs before
3874 calling VRP. Run VRP again late in the SSA optimization pipeline.
3876 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
3878 * df-core.c (df_set_blocks): Do not dereference function pointers.
3879 (df_finish1): Likewise.
3880 (df_hybrid_search_forward): Likewise.
3881 (df_hybrid_search_backward): Likewise.
3882 (df_iterative_dataflow): Likewise.
3883 (df_analyze_problem): Likewise.
3884 (df_compact_blocks): Likewise.
3885 (df_dump): Likewise.
3886 * df-scan.c (df_rescan_blocks): Likewise.
3887 (df_record_entry_block_defs): Likewise.
3889 * genconditions.c (write_conditions): Guard the definition of
3890 'insn_conditions' with the check on GCC version.
3891 (write_writer): Guard the traversal 'insn_conditions' with
3892 the check on GCC version.
3894 2006-02-07 Richard Guenther <rguenther@suse.de>
3898 2006-01-30 Richard Guenther <rguenther@suse.de>
3900 * gimplify.c (gimplify_target_expr): Handle easy cases
3901 without creating a temporary.
3903 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
3905 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
3906 use of float in probability computations. Use edge probabilities
3907 in place of statically computed probabilities.
3908 (min_spec_prob): New static variable.
3909 (schedule_insns): Initialize it.
3910 (GET_SRC_PROB): Removed.
3911 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
3913 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
3916 * config/ia64/unwind-ia64.c: Revert last change.
3917 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
3918 (INCOMING_FRAME_SP_OFFSET): Define.
3920 2006-02-06 Roger Sayle <roger@eyesopen.com>
3922 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
3924 2006-02-07 Ben Elliston <bje@au.ibm.com>
3926 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
3927 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
3928 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
3929 (ix86_return_in_memory): Handle TDmode.
3930 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
3931 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
3933 2006-02-06 Richard Sandiford <richard@codesourcery.com>
3935 * reorg.c (dbr_schedule): Use dump_file instead of file.
3937 2006-02-06 Steve Ellcey <sje@cup.hp.com>
3940 * config/ia64/predicates.md (extr_len_operand): New predicate.
3941 * config/ia64/ia64.md (extv): Tighten constraints.
3943 (*tbit_and_2): Ditto.
3944 (*tbit_and_3): Ditto.
3945 (*tbit_or_2): Ditto.
3946 (*tbit_or_3): Ditto.
3950 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
3953 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
3955 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
3957 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
3958 loop_optimizer_init and loop_optimizer_finalize
3959 * tree-ssa-sink.c (execute_sink_code): Ditto.
3960 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3961 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
3962 tree_ssa_loop_done): Ditto.
3963 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
3964 * sched-ebb.c: Include output.h.
3965 (schedule_ebbs): Do not use dump argument.
3966 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
3967 * loop.c (loop_dump_stream): Removed.
3968 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
3970 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
3971 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
3972 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
3973 loop_iterations, strength_reduce, record_biv, record_giv,
3974 final_giv_value, check_final_value, check_ext_dependent_givs,
3975 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
3976 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
3977 dump_file instead of loop_dump_stream.
3978 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
3980 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
3982 * flow.c (life_analysis, rest_of_handle_life): Ditto.
3983 * haifa-sched.c: Include output.h
3984 (schedule_insns, sched_init): Do not use dump argument.
3985 * mode-switching.c (optimize_mode_switching): Ditto.
3986 * modulo-sched.c (stats_file): Removed.
3987 (print_node_sched_params): Do not call argument dump_file.
3988 (sms_schedule_by_order, loop_canon_p, sms_schedule,
3989 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
3991 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
3993 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
3994 rtl_loop_init, rtl_loop_done): Ditto.
3995 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
3996 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
3998 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
3999 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
4000 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
4001 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
4002 * emit-rtl.c (renumber_insns): Ditto.
4003 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
4004 expand_gimple_basic_block, tree_expand_cfg): Ditto.
4005 * regclass.c (regclass): Ditto.
4006 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
4007 remove_ssa_form, rewrite_out_of_ssa): Ditto.
4008 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
4009 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
4011 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
4012 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
4014 * gcse.c (gcse_file, debug_stderr): Removed.
4015 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
4016 rest_of_handle_gcse): Do not use dump argument.
4017 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
4018 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
4019 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
4020 compute_code_hoist_vbeinout, compute_code_hoist_data,
4021 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
4022 compute_store_table, build_store_vectors, insert_insn_start_bb,
4023 insert_store, remove_reachable_equiv_notes, replace_store_insn,
4024 store_motion): Use dump_file instead of gcse_file.
4025 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
4026 * profile.c (profile_dump_file): Removed.
4027 (branch_prob): Use dump_file instead of profile_dump_file.
4028 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
4030 * tree-ssa-copy.c (dump_copy_of): Ditto.
4031 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
4032 dump file to life_analysis.
4033 * bt-load.c (branch_target_load_optimize): Ditto.
4034 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
4036 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
4037 regclass, dbr_schedule): Declaration changed.
4038 * sched-int.h (sched_init): Declaration changed.
4039 * tree-profile.c (tree_profile_dump_file): Removed.
4040 (tree_profile_hooks): Removed profile_dump_file hook.
4041 * rtl-profile (rtl_profile_dump_file): Removed.
4042 (rtl_profile_hooks): emoved profile_dump_file hook.
4043 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
4045 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
4046 * tree-cfg.c (build_tree_cfg): Ditto.
4047 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
4048 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
4049 Declaration changed.
4050 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
4051 life_analysis and schedule_insns.
4052 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
4054 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
4056 * config/mips/mips.c (mips_reorg): Ditto.
4057 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
4060 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
4062 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4063 (s390_mangle_fundamental_type): New.
4064 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4067 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4068 (alpha_mangle_fundamental_type): New.
4069 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4072 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4074 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4076 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4077 (sparc_mangle_fundamental_type): New.
4079 2006-02-06 Jakub Jelinek <jakub@redhat.com>
4081 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
4082 (s390x-*-linux*): Likewise.
4083 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
4084 * config/s390/t-linux: New file.
4086 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
4088 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
4089 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
4091 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
4093 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
4094 (ANTIC_SAFE_LOADS): New macro.
4095 (find_or_generate_expression): Add prototype.
4096 (set_contains_value): Allow null set for sake of not always having
4097 to allocate ANTIC_SAFE_LOADS.
4098 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
4099 Allow COMPONENT_REF too.
4100 (valid_in_set): Allow COMPONENT_REF.
4101 Check ANTIC_SAFE_LOADS too.
4102 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
4103 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
4105 (can_PRE_operation): Add COMPONENT_REF.
4106 (create_component_ref_by_pieces): New function.
4107 (create_expression_by_pieces): Use create_component_ref_by_pieces.
4108 (insert_aux): Move AGGREGATE_TYPE_P check here.
4109 (compute_avail): Set bb local stmt uids.
4110 (pass_pre): Use TODO_update_ssa_only_virtuals.
4112 2006-02-06 Ben Elliston <bje@au.ibm.com>
4114 * configure.ac: Unconditionally disable decimal float by default.
4115 * configure: Regenerate.
4117 2006-02-06 Ben Elliston <bje@au.ibm.com>
4119 * read-rtl.c (read_name): Terminate reading on EOF.
4121 2006-02-06 Ben Elliston <bje@au.ibm.com>
4123 * dfp.c (decimal_real_arithmetic): Change second argument type
4124 from int to enum tree_code. Do not always return true, but now
4125 return result of any call to decimal_do helper functions.
4126 * dfp.h (decimal_real_arithmetic): Update prototype.
4128 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
4130 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
4132 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
4135 * tree-cfg.c (cleanup_dead_labels): Also don't remove
4138 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
4140 * tree-vrp.c (cfg_loops): Removed.
4141 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
4142 Use current_loops instead of cfg_loops. Pass flags to
4143 loop_optimizer_init.
4144 * cfgloopmanip.c (fix_loop_structure): Update only available
4146 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
4147 loop_optimizer_init.
4148 * modulo-sched.c (build_loops_structure): Removed.
4149 (sms_schedule): Use loop_optimizer_init.
4150 * loop-init.c (loop_optimizer_init): Use flags to determine
4151 which properties of loops to prepare.
4152 (rtl_loop_init): Pass flags to loop_optimizer_init.
4153 * tree-ssa-sink.c (execute_sink_code): Ditto.
4154 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
4155 * tree-ssa-pre.c (init_pre): Ditto.
4156 * cfgloop.h (LOOPS_NORMAL): New.
4157 (loop_optimizer_init): Declaration changed.
4159 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4161 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
4162 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
4164 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
4166 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
4168 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
4169 * pa/t-pa64: Delete quadlib.c rule.
4170 * pa/x-ada: Revert last change.
4171 * pa/t-pa: Revert last change. Delete quadlib.c rule.
4173 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
4175 PR rtl-optimization/26087
4176 * rtlanal.c (canonicalize_condition): Do not cross basic block
4179 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
4182 * config/ia64/ia64.c: Include debug.h.
4183 (MAX_ARTIFICIAL_LABEL_BYTES): New.
4184 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
4185 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
4186 (process_epilogue, process_set, process_for_unwind_directive):
4187 Output unwind info only if requested. Add CFA info if requested.
4188 Add new arguments as needed. Adjust callers.
4189 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
4191 (DWARF2_FRAME_INFO): Define to zero.
4192 * config/ia64/unwind-ia64.c: Remove code that compensated for
4193 the CFA offset error fixed above.
4194 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
4195 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
4196 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
4197 -funwind-tables and -fexceptions to enable frame info.
4198 (dwarf2out_frame_init): Define initial CFA even if
4199 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
4200 DWARF2_UNWIND_INFO is nonzero, not just defined.
4201 (dwarf2out_frame_finish): Output non-EH call frame info only
4202 if DWARF2_FRAME_INFO is nonzero.
4203 (convert_cfa_to_loc_list,
4204 compute_frame_pointer_to_cfa_displacement): Define even if
4205 unwind info is not supported.
4206 (gen_subprogram_die): Use the above unconditionally. Remove
4207 legacy alternate code.
4208 * toplev.c (compile_file): Compile in call to
4209 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
4210 (lang_dependent_init): Ditto for dwarf2out_frame_init.
4212 2006-02-04 David Edelsohn <edelsohn@gnu.org>
4213 Jakub Jelinek <jakub@redhat.com>
4215 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
4216 IBM extended float format long double as "g" on powerpc*-linux.
4218 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4221 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
4222 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
4224 2006-02-03 Jason Merrill <jason@redhat.com>
4227 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
4230 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
4231 on the return slot if it's an NRV.
4233 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
4235 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
4236 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
4237 rewrite_use): Do not handle USE_OUTER.
4238 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
4239 add_iv_outer_candidates, may_replace_final_value,
4240 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
4241 (find_interesting_uses_op): Functionality of
4242 find_interesting_uses_outer_or_nonlin moved here.
4243 (find_interesting_uses_outside): Use find_interesting_uses_op.
4245 2006-02-03 Alan Modra <amodra@bigpond.net.au>
4248 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
4250 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
4251 Ulrich Weigand <uweigand@de.ibm.com>
4254 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
4255 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
4256 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
4257 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
4259 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
4260 (s390_rtx_costs): Use the new fields to calculate rtx costs.
4261 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
4262 Define secondary reloads for TFmode moves.
4263 (constant_modes): Add TFmode.
4264 (NR_C_MODES): Set to 8.
4265 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
4267 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
4268 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
4269 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
4270 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
4271 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
4272 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
4273 (FPR mode macro): Add TFmode.
4274 (DSF mode macro): New.
4275 (<de>, <dee> mode attributes): Removed.
4276 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
4277 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
4278 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
4279 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
4280 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
4281 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
4282 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
4283 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
4284 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
4285 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
4286 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
4287 "*negabs<mode>2", "sqrt<mode>2"):
4288 Changed <de> to <xde>. R constraint replaced by <Rf>.
4289 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
4291 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
4292 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
4293 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
4295 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
4296 "extenddftf2", "extendsftf2"): New expanders.
4297 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
4298 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
4299 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
4300 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
4302 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
4303 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
4304 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
4305 __floatditf): Add a GCC_4.1.0 symbol version tag.
4306 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
4309 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
4312 * config/i386/i386.c (ix86_function_ok_for_sibcall):
4313 Use targetm.binds_local_p instead of TREE_PUBLIC.
4315 2006-02-02 Roger Sayle <roger@eyesopen.com>
4317 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
4318 on INTEGER_TYPEs to indicate that it denotes a character type.
4319 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
4320 signed_char_type_node, unsigned_char_type_node and char_type_node.
4321 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
4322 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
4323 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
4325 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
4326 Daniel Berlin <dberlin@dberlin.org>
4328 * tree-tailcall.c (arg_needs_copy_p): New function.
4329 (eliminate_tail_call): Use arg_needs_copy_p.
4330 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
4331 (add_virtual_phis): New function.
4333 2006-02-02 Jakub Jelinek <jakub@redhat.com>
4335 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
4336 #ignore instead of #scratch for %g7 .register directive.
4338 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
4340 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
4343 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
4345 * flow.c (calculate_global_regs_live): Assert that there aren't any
4348 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
4350 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
4352 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
4353 bsi_after_labels iterator.
4354 * tree-if-conv.c (find_phi_replacement_condition,
4355 replace_phi_with_cond_modify_expr): Likewise.
4356 * tree-scalar-evolution.c (scev_const_prop): Likewise.
4357 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
4359 2006-02-02 Diego Novillo <dnovillo@redhat.com>
4361 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
4363 2006-02-02 Diego Novillo <dnovillo@redhat.com>
4366 * tree-cfg.c (move_block_to_fn): Clear out the basic block
4367 array after growing it.
4369 2006-02-01 Steve Ellcey <sje@cup.hp.com>
4372 * fold-const.c (fold_checksum_tree): Change type of buf.
4374 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
4376 * reload.c (push_secondary_reload): Initialize t_icode.
4378 2006-02-01 Jakub Jelinek <jakub@redhat.com>
4380 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
4381 -msoft-float -mlong-double-128 only issue a warning, but don't
4382 swich to DFmode long double.
4384 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
4386 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
4387 has a constant equivalent, iterate over equivalents for arg0,
4388 calling simplify_relational_operation and if there's a result
4389 cheaper than X, apply fold_rtx and return the result.
4391 2006-02-01 Jan Hubicka <jh@suse.cz>
4393 * opts.c (no_unit_at_a_time_default): New global variable.
4394 (decode_options): Use it.
4395 * opts.h (no_unit_at_a_time_default): Declare.
4397 2006-02-01 Paul Brook <paul@codesourcery.com>
4399 * function.c (assign_parm_setup_reg): Use function argument promotion
4401 * expr.c (expand_expr_real_1): Use function argument promotion rules
4404 2006-02-01 Steve Ellcey <sje@cup.hp.com>
4406 * gcc.c (process_command): Change j to 'unsigned int'.
4408 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
4411 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
4412 Use the corrected index for the character
4413 out of the string constant.
4415 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
4417 * mode-switching.c (optimize_mode_switching): Fix size
4418 allocated for bb_info[n_entities].
4420 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
4422 * gcc.c (main): Correct type that is allocated for
4423 explicit_link_files.
4425 2006-01-31 Jakub Jelinek <jakub@redhat.com>
4427 * config/s390/s390.c (init_alignment_context): Set
4428 ALIAS_SET_MEMORY_BARRIER on the MEM.
4429 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
4431 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
4434 * loop-unroll.c (unroll_loop_runtime_iterations): Free
4436 * tree-ssa-live.c (type_var_init): Allocate bitmap after
4439 2006-01-31 Marcin Dalecki <martin@dalecki.de>
4441 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
4442 * regrename.c: Ditto.
4443 * tree-ssa-loop-im.c: Ditto.
4444 * tree-dump.c: Ditto.
4445 * tree-complex.c: Ditto.
4446 * genrecog.c: Ditto.
4447 * tree-ssa-threadupdate.c: Ditto.
4449 * java/class.c: Ditto.
4450 * java/jcf-parse.c: Ditto.
4451 * java/resource.c: Ditto.
4452 * java/except.c: Ditto.
4453 * java/jvspec.c: Ditto.
4454 * java/jcf-write.c: Ditto.
4455 * java/jcf-path.c: Ditto.
4456 * java/gjavah.c: Ditto.
4457 * java/zextract.c: Ditto.
4458 * java/jcf-io.c: Ditto.
4459 * java/jcf.h: Ditto.
4460 * java/buffer.c: Ditto.
4461 * java/lang.c: Ditto.
4462 * java/parse-scan.y: Ditto.
4463 * java/lex.c: Ditto.
4464 * java/lex.h: Ditto.
4465 * cfgloopmanip.c: Ditto.
4466 * postreload-gcse.c: Ditto.
4467 * tree-ssa-loop-manip.c: Ditto.
4468 * postreload.c: Ditto.
4469 * tree-ssa-loop-ch.c: Ditto.
4473 * diagnostic.c: Ditto.
4475 * genoutput.c: Ditto.
4477 * cfghooks.c: Ditto.
4478 * cfgloopanal.c: Ditto.
4479 * objc/objc-act.c: Ditto.
4481 * genextract.c: Ditto.
4482 * genautomata.c: Ditto.
4483 * pretty-print.c: Ditto.
4485 * cgraphunit.c: Ditto.
4488 * haifa-sched.c: Ditto.
4489 * dominance.c: Ditto.
4491 * tree-ssa-loop-ivopts.c: Ditto.
4493 * mode-switching.c: Ditto.
4494 * modulo-sched.c: Ditto.
4496 * ipa-pure-const.c: Ditto.
4498 * fix-header.c: Ditto.
4500 * tree-stdarg.c: Ditto.
4501 * ipa-utils.c: Ditto.
4502 * loop-init.c: Ditto.
4503 * ipa-inline.c: Ditto.
4506 * alloc-pool.c: Ditto.
4507 * dwarf2out.c: Ditto.
4509 * genattrtab.c: Ditto.
4510 * tree-ssa-loop-ivcanon.c: Ditto.
4514 * fortran/gfortranspec.c: Ditto.
4516 * local-alloc.c: Ditto.
4517 * langhooks.c: Ditto.
4518 * function.c: Ditto.
4519 * tree-vectorizer.c: Ditto.
4521 * ipa-type-escape.c: Ditto.
4523 * tree-if-conv.c: Ditto.
4526 * tree-data-ref.c: Ditto.
4527 * loop-unroll.c: Ditto.
4528 * treelang/treetree.c: Ditto.
4531 * ggc-common.c: Ditto.
4533 * coverage.c: Ditto.
4535 * tree-cfgcleanup.c: Ditto.
4536 * tree-ssa-pre.c: Ditto.
4537 * cfgcleanup.c: Ditto.
4538 * loop-invariant.c: Ditto.
4540 * ipa-prop.c: Ditto.
4541 * print-tree.c: Ditto.
4542 * conflict.c: Ditto.
4543 * ggc-page.c: Ditto.
4544 * sched-deps.c: Ditto.
4545 * regclass.c: Ditto.
4546 * tree-object-size.c: Ditto.
4548 * bb-reorder.c: Ditto.
4549 * resource.c: Ditto.
4550 * var-tracking.c: Ditto.
4552 * df-problems.c: Ditto.
4553 * reg-stack.c: Ditto.
4556 * sched-rgn.c: Ditto.
4557 * tree-ssa-structalias.c: Ditto.
4558 * tree-ssa-reassoc.c: Ditto.
4559 * config/darwin-c.c: Ditto.
4560 * config/darwin.c: Ditto.
4561 * config/arm/arm.c: Ditto.
4563 * collect2.c: Ditto.
4566 2006-01-31 Nicolas Pitre <nico@cam.org>
4568 * arm.md (smaxsi3): Make aware of smax_m1.
4571 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
4573 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
4575 2006-01-31 Richard Guenther <rguenther@suse.de>
4577 * doc/invoke.texi (-msselibm): Document.
4578 * target.h (expand_library_builtin): New target hook.
4579 * builtins.c (expand_builtin): Use expand_library_builtin.
4580 (default_expand_library_builtin): New function.
4581 * gcc.c (LINK_GCC_MATH_SPEC): Define.
4582 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
4583 (link_gcc_math_spec): Declare.
4584 (static_specs): Add link_gcc_math_spec.
4585 * expr.h (default_expand_library_builtin): Declare.
4586 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4587 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
4588 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
4589 * config/i386/i386.opt (msselibm): New target option.
4590 * config/i386/i386.c (ix86_builtin_function_variants): New array.
4591 (ix86_init_sse_abi_builtins): New function.
4592 (ix86_expand_library_builtin): Likewise.
4593 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4594 (override_options): Handle error conditions wrt -msselibm.
4595 (ix86_builtins): Add function codes for SSE2 ABI builtins.
4596 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
4597 * doc/extend.texi (__builtin_sse2_*): Document new target specific
4600 2006-01-31 Richard Guenther <rguenther@suse.de>
4601 Paolo Bonzini <bonzini@gnu.org>
4603 * doc/install.texi (--disable-libgcc-math): Document.
4605 2006-01-30 Marcin Dalecki <martin@dalecki.de>
4607 * expr.h (expand_normal): new inline function.
4608 * builtins.c: use it, use EXPAND_NORMAL explicitely.
4610 * dwarf2out.c: use it.
4615 * config/sparc/sparc.c: use it.
4616 * config/i386/i386.c: use it.
4617 * config/rs6000/rs6000.c: use it.
4618 * config/arm/arm.c: use it.
4619 * config/mips/mips.c: use it.
4620 * stmt.c: use it, use EXPAND_NORMAL explicitely.
4622 2006-01-30 Roger Sayle <roger@eyesopen.com>
4624 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
4625 argv to the appropriate type.
4627 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
4629 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
4632 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
4635 * config/s390/s390.c (struct machine_function): New flag
4636 decomposed_literal_pool_addresses_ok_p.
4637 (s390_reorg): Set it before final stage of literal pool transforms.
4638 (s390_decompose_address): Only accept displacements of the form
4639 (minus (label_ref ...) (label_ref ...)) if that flag is set.
4641 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
4643 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
4644 the comparison routine return.
4646 2006-01-30 Michael Matz <matz@suse.de>
4648 * global.c (find_reg): Only evict for global regs.
4649 Take n_refs into account and dump more info.
4651 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
4654 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
4655 (pragma_trap, pragma_nosave_low_regs): Likewise.
4656 (current_function_anonymous_args): Likewise.
4657 (sh_deferred_function_attributes): New variable.
4658 (sh_deferred_function_attributes_tail): Likewise.
4659 (print_operand): For '@', look up trap_exit attribute.
4660 (calc_live_regs): Look up trapa_handler attribute. For trapa
4661 handlers, save/restore fpscr, but don't do any other
4662 interrupt-specific saves.
4663 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
4664 Fix check for partially saved registers to check for SHmedia.
4665 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
4666 (sh_output_function_epilogue): Don't clear any of the removed
4668 (sh_insert_attributes): Don't check pragma_interrupt.
4669 Insert deferred attributes. Check that interrupt attribute is
4670 present for other attributes that require its presence.
4671 (sh_attribute_table): Add new attributes trapa_handler and
4673 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
4674 Don't check for pragma_interrupt. Don't store argument.
4675 * sh.h (pragma_interrupt, sp_switch): Don't declare.
4676 (sh_deferred_function_attributes): Declare.
4677 (sh_deferred_function_attributes_tail): Likewise.
4678 * sh.md (sp_switch_1): Add operand. Change generator caller.
4679 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
4680 (*return_i): Don't use when trap_exit attribute is in effect.
4681 (*return_trapa): New insn pattern.
4683 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
4684 setting c_target_objs and cxx_target_objs.
4685 * t-sh: Add rule for sh-c.o.
4687 2006-01-30 Richard Guenther <rguenther@suse.de>
4690 * gimplify.c (gimplify_target_expr): Handle easy cases
4691 without creating a temporary.
4693 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
4695 * vec.h (safe_grow): Remove duplicated line.
4697 2006-01-29 Diego Novillo <dnovillo@redhat.com>
4700 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
4701 (expand_omp): ... here.
4702 (expand_omp_parallel): Only remove barriers for combined
4703 parallel+workshare constructs.
4705 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
4709 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
4710 * tree.c (build_qualified_type): Chain the new type to the original
4711 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
4712 a POINTER_TYPE or a REFERENCE_TYPE respectively.
4713 (build_pointer_type_for_mode): Only return unqualified types.
4714 (build_reference_type_for_mode): Likewise.
4716 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
4718 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
4719 * Makefile.in (CXX_COMPAT_WARN): Define.
4720 * configure: Regenerate.
4722 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
4725 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
4728 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
4730 * toplev.c: Fix thinko.
4732 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
4733 Marcin Dalecki <martin@dalecki.de>
4735 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
4736 (push_srcloc): Use XNEW.
4737 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
4739 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
4741 * df-core.c (df_set_blocks): Deleted all variable.
4743 2006-01-28 Ian Lance Taylor <ian@airs.com>
4745 * cgraphunit.c (cgraph_assemble_pending_functions): Call
4746 cgraph_output_pending_asms.
4748 2006-01-28 Zack Weinberg <zackw@panix.com>
4750 * c.opt: Add -W(no-)overlength-strings.
4751 * doc/invoke.texi: Document it.
4752 * c-opts.c (c_common_handle_option): -pedantic implies
4753 -Woverlength-strings, if not explicitly disabled already.
4754 (c_common_post_options): -Woverlength-strings defaults to off, and
4755 is always off for C++.
4756 * c-common.c (fix_string_type): Issue warning about strings longer
4757 than is portable only if warn_overlength_strings. Rearrange code
4758 a little for clarity.
4759 * configure.in: Check for -Wno-overlength-strings as well before
4760 enabling -pedantic in stage 1.
4761 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
4762 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
4764 * genconditions.c (write_header, write_one_condition)
4765 (write_conditions, write_writer): Consolidate very long strings
4766 that were broken up to fit in C89 portable limit. Don't use
4767 printf when fputs will do.
4769 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
4771 * combine.c (simplify_comparison <AND>): Check
4772 TRULY_NOOP_TRUNCATION before start using a subreg.
4774 * config/mips/mips.md (*branch_zero<mode>,
4775 *branch_zero<mode>_inverted, *branch_equality<mode>,
4776 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
4777 Remove mode check from comparisons.
4779 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
4781 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
4783 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
4785 * expmed.c (const_mult_add_overflow_p): Remove.
4786 * expr.h: Remove the prototype for const_mult_add_overflow_p.
4788 * recog.c (validate_replace_rtx_subexp): Remove.
4789 * recog.h: Remove the prototype for
4790 validate_replace_rtx_subexp.
4792 * integrate.h: Remove the prototype for
4793 copy_decl_for_inlining.
4794 * rtl.h: Remove the prototype for mark_constant_function.
4795 * tree-vectorizer.h: Remove the prototype for
4796 vect_strip_conversion.
4798 * modulo-sched.c (create_partial_schedule,
4799 free_partial_schedule, reset_partial_schedule): Make them
4802 * hooks.c (hook_bool_rtx_int_false): Remove.
4803 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
4805 2006-01-28 David Edelsohn <edelsohn@gnu.org>
4807 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
4808 and -mlong-double-128 are incompatible.
4809 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
4810 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
4811 (TARGET_LIBGCC2_CFLAGS): Define.
4812 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
4813 (TARGET_LIBGCC2_CFLAGS): Same.
4814 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
4816 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
4819 * c-typeck.c (build_binary_op): Perform implicit casts of
4820 operands before shortening them.
4822 * cfgloopmanip.c (split_loop_bb): Remove.
4823 * cfgloop.h: Remove the prototype for split_loop_bb.
4825 * cfgloop.c (flow_loop_outside_edge_p): Remove.
4826 * cfgloop.h: Remove the prototype for
4827 flow_loop_outside_edge_p.
4829 * emit-rtl.c (init_virtual_regs): Make it static.
4830 * function.h: Remove the prototype for init_virtual_regs.
4832 * recog.c (peephole2_optimize): Make it static.
4833 * recog.h: Remove the prototype for peephole2_optimize.
4835 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
4837 * df-scan.c (df_record_entry_block_defs): Check if
4838 INCOMING_RETURN_ADDR_RTX is defined.
4840 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
4841 Kenneth Zadeck <zadeck@naturalbridge.com>
4843 PR rtl-optimization/24762
4844 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
4845 * targhooks.c (hook_void_bitmap): New hook prototype.
4846 * targhoohs.h (hook_void_bitmap): Ditto.
4847 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
4848 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
4849 * target.h (live_on_entry): New function pointer.
4850 * df-scan.c (df_all_hard_regs): Removed.
4851 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
4852 (df_scan_free_internal): Added df->entry_block_defs.
4853 (df_scan_alloc): Ditto.
4854 (df_scan_dump): Ditto.
4855 (df_uses_record): Plumbed flag field properly thru calls.
4856 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
4857 This part fixes PR24762.
4858 (df_bb_refs_record): Added code to make the frame and arg
4859 pointers live in EH blocks.
4860 (df_refs_record): Added call to df_record_entry_block_defs.
4861 (df_record_entry_block_defs): New function.
4862 * df-core.c: Added comments to describe new artifical defs.
4863 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
4864 (entry_block_defs): New field in struct df.
4865 (df_all_hard_regs): Deleted.
4866 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
4867 * df-problems.c (df_ru_bb_local_compute_process_def):
4868 Added code to handle artifical defs in the entry to a function.
4869 (df_ru_bb_local_compute): Ditto.
4870 (df_rd_bb_local_compute_process_def): Ditto.
4871 (df_rd_bb_local_compute): Ditto.
4872 (df_lr_bb_local_compute): Ditto.
4873 (df_ur_bb_local_compute): Ditto.
4874 (df_urec_bb_local_compute): Ditto.
4875 (df_chain_create_bb): Ditto.
4876 (df_ur_local_finalize): Removed entry.
4877 (df_urec_init): Ditto.
4878 (df_urec_local_finalize): Ditto.
4879 (df_ri_bb_compute): Added detection of last use of pseudos.
4880 * Makefile.in (df-scan.o): Updated dependencies.
4881 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
4882 * config/mips/mips.c (mips_set_live_on_entry): Added.
4883 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
4885 * dce.c (marked_insn_p): Added code to handle artifical defs.
4887 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
4889 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
4891 (_mm_cvtsi128_si64): Likewise.
4892 (_mm_cvtsd_si64): Likewise.
4893 (_mm_cvttsd_si64): Likewise.
4894 (_mm_cvtsi64_sd): Likewise.
4895 (_mm_cvtsi64_si128): Likewise.
4896 * config/i386/mmintrin.h (_m_from_int64): Likewise.
4897 (_mm_cvtsi64_m64): Likewise.
4898 (_m_to_int64): Likewise.
4899 (_mm_cvtm64_si64): Likewise.
4900 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
4901 (_mm_cvttss_si64): Likewise.
4902 (_mm_cvtsi64_ss): Likewise.
4903 (_mm_cvtss_f32): Likewise.
4905 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
4907 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
4908 for pragma redefine_extname.
4910 2006-01-27 Jakub Jelinek <jakub@redhat.com>
4913 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
4914 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
4915 -mno-minimal-toc to previous content.
4916 (bispecs): Remove goal.
4917 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
4918 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
4919 compatibility aliases on powerpc-*-*gnu*.
4920 * config/rs6000/libgcc-ppc-glibc.ver: New file.
4921 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
4922 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
4923 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
4924 (ldblspecs): New goal.
4925 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
4926 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
4928 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
4929 L_sf_to_tf or L_df_to_tf is defined.
4931 2006-01-27 David Edelsohn <edelsohn@gnu.org>
4932 Alan Modra <amodra@bigpond.net.au>
4935 * config/rs6000/linux.h (POWERPC_LINUX): Define.
4936 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
4937 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
4938 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
4939 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
4940 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
4941 (rs6000_override_options): Initialize rs6000_ieeequad.
4942 Initialize TFmode format to ibm_extended_format if not
4944 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
4946 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
4947 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
4948 (function_arg_advance): IBM long double passed in two FPRs, not
4950 (function_arg): IBM long double passed in FPRs.
4951 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
4952 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
4953 Only multireg GPR aligned.
4954 (rs6000_init_libfuncs): Enable IBM long double functions if not
4956 (rs6000_generate_compare): Use IBM long double compare if not
4958 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
4959 (TARGET_IEEEQUAD): Define.
4960 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
4961 not TARGET_IEEEQUAD.
4962 * config/rs6000/rs6000.md: Enable TFmode patterns if
4964 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
4965 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
4966 and -mlong-double-128 are incompatible.
4967 * doc/invoke.texi (-mabi): Collect options together. Add
4968 ibmlongdouble and ieeelongdouble.
4970 2006-01-27 Richard Sandiford <richard@codesourcery.com>
4972 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
4974 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
4975 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
4976 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
4977 * rtl.h (rtunion_def): Remove rt_ptr.
4979 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
4980 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
4981 * config/i386/winnt.c (i386_pe_mark_dllexport)
4982 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
4984 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
4986 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
4988 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
4992 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
4993 pthread_key_delete. From John David Anglin. gthrw-ify
4994 pthread_getunique_np only if it it's not a macro. Delete
4996 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
4997 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
4998 __gthread_objc_condition_signal, __gthread_key_delete): Add
4999 "__attribute__ ((__unused__))" to unused arguments.
5000 (__gthread_recursive_mutex_init_function): Add missing return.
5001 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
5002 gthr-posix95.h: Use macro-based approach for name redirection
5003 on targets missing weakref.
5005 2006-01-26 Zack Weinberg <zackw@panix.com>
5007 * genconditions.c (write_header): In generated code, #ifdef out
5008 all includes and fake declarations, except includes of bconfig.h
5009 and system.h, unless GCC_VERSION >= 3001. Do not include
5010 gensupport.h in any case.
5011 (write_conditions): Generate a definition of struct c_test. Add
5012 a comment to the generated #endif.
5013 (write_one_condition): Escape backslashes in string too.
5014 (write_writer): Generated code must escape backslashes and quote
5015 marks (but not newlines) in the strings it writes.
5016 * Makefile.in (build/gencondmd.o): Update dependencies.
5018 2006-01-26 Steve Ellcey <sje@cup.hp.com>
5021 * Makefile.in (insn-automata.o): Add header file dependencies.
5022 * genautomata.c: Add includes.
5024 2006-01-26 Steve Ellcey <sje@cup.hp.com>
5027 * Makefile.in (insn-automata.o): Add -Wno-error flag.
5029 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
5031 * configure.ac: Expect target tools paths to be passed from the toplevel
5032 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
5034 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
5036 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
5039 * c.opt (Wpointer-sign): Init to -1.
5040 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
5041 OPT_pedantic, to 0 otherwise.
5042 * doc/invoke.texi: Update.
5044 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
5046 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
5047 constants provided by 80387 instructions in the destination mode.
5049 2006-01-26 Richard Guenther <rguenther@suse.de>
5050 Andrew Pinski <pinskia@physics.uc.edu>
5053 partial PR tree-opt/17064
5054 * tree-ssa-structalias.c (intra_create_variable_infos):
5055 Create heap variables for incoming parameters if
5056 flag_argument_noalias > 1.
5057 (find_what_p_points_to): Look through default defs of
5060 2006-01-26 Jeff Law <law@redhat.com>
5063 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
5064 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
5065 within the VR_RANGE, use the VR_RANGE as the result, not the
5067 (adjust_range_with_scev): Reject ranges from SCEV which are out of
5068 bounds for the type.
5070 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
5072 * tree-ssa-alias.c (maybe_create_global_var): Change
5073 subvar walking to an assertion that we don't have subvar'd variables.
5075 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
5078 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
5079 Use a new variable, inner. PARM_DECLs are always non-weak.
5081 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
5083 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
5086 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
5088 * config/mips/mips.md (*clear_upper32): New combiner pattern.
5090 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
5092 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
5093 (smax_insn, smin_insn, smax_0, smin_0): New.
5095 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
5098 * config/cris/cris.c (cris_order_for_addsi3): New function.
5099 * config/cris/cris-protos.h: Prototype it.
5100 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
5101 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
5102 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
5103 (split for "op.S1 [rx=rx+i],ry (swapped)")
5104 (split for "op(s|u).S1 [rx=rx+i],ry")
5105 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
5106 Apply cris_order_for_addsi3 when generating addsi3 insns.
5108 2006-01-25 Diego Novillo <dnovillo@redhat.com>
5110 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
5111 (TREE_BLOCK): Add call to EXPR_CHECK.
5113 2006-01-25 Diego Novillo <dnovillo@redhat.com>
5116 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
5117 * tree-pretty-print.c (dump_omp_clause): Extract from ...
5118 (dump_omp_clauses): ... here.
5119 (dump_generic_node): Handle OMP_CLAUSE.
5120 * tree.c (omp_clause_num_ops): New.
5121 (omp_clause_code_name): New.
5122 (tree_code_size): Handle OMP_CLAUSE.
5123 (tree_size): Likewise.
5124 (make_node): Document handling of OMP_CLAUSE.
5125 (tree_node_structure): Handle OMP_CLAUSE.
5126 (omp_clause_check_failed): New.
5127 (omp_clause_range_check_failed): New.
5128 (omp_clause_operand_check_failed): New.
5129 (build_omp_clause): New.
5130 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
5131 * tree.h (enum omp_clause_code): Declare.
5132 (OMP_CLAUSE_SUBCODE_CHECK): Define.
5133 (OMP_CLAUSE_RANGE_CHECK): Define.
5134 (OMP_CLAUSE_ELT_CHECK): Define.
5135 (omp_clause_check_failed): Declare.
5136 (omp_clause_operand_check_failed): Declare.
5137 (omp_clause_range_check_failed): Declare.
5138 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
5139 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
5140 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
5141 (OMP_CLAUSE_LASTPRIVATE): Likewise.
5142 (OMP_CLAUSE_IF_EXPR): Likewise.
5143 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
5144 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
5145 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
5146 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
5147 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
5148 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
5149 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
5150 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
5151 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
5152 (OMP_CLAUSE_CODE): Define.
5153 (OMP_CLAUSE_SET_CODE): Define.
5154 (OMP_CLAUSE_CODE): Define.
5155 (OMP_CLAUSE_OPERAND): Define.
5156 (struct tree_omp_clause): Declare.
5157 (union tree_node): Add field 'omp_clause'.
5158 * treestruct.def (TS_OMP_CLAUSE): Define.
5159 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
5160 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
5161 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
5162 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
5163 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
5164 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
5165 (OMP_CLAUSE): Define.
5166 * print-tree.c (print_node): Handle OMP_CLAUSE.
5167 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
5168 * c-typeck.c: Likewise.
5169 * gimplify.c: Likewise.
5170 * c-omp.c: Likewise.
5171 * tree-nested.c: Likewise.
5172 * tree-inline.c: Likewise.
5173 * c-parser.c: Likewise.
5174 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
5177 2006-01-25 Roger Sayle <roger@eyesopen.com>
5179 PR rtl-optimization/25703
5180 * combine.c (try_combine): Handle zero_extract and strict_low_part
5181 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
5183 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
5185 * global.c: Fix comment typos.
5187 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
5190 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
5191 Use output_addr_const instead of assemble_name.
5193 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
5195 * Makefile.in (sched-vis.o): Update dependencies.
5196 * haifa-sched.c (sched_finish): Clear current_sched_info.
5197 * cfg.c (dump_bb_info): New, split from dump_flow_info.
5198 (dump_flow_info): Call it.
5199 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
5201 * basic-block.h (dump_bb_info): Declare.
5202 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
5203 option, and apply options only for dump files whose TDF_RTL,
5204 TDF_TREE, or TDF_IPA bits match.
5205 * rtl.h: Declare new functions exported from sched-vis.c.
5206 * sched-vis.c: Enable also if scheduling is not used.
5207 (print_value): Print the mode of registers if not inside scheduling.
5208 (print_insn): Make it work outside the scheduler. Beautify the output
5210 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
5212 2006-01-25 Richard Sandiford <richard@codesourcery.com>
5214 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
5215 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
5216 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
5217 depending on the value of CONSTANT_POOL_ADDRESS_P.
5218 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
5220 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
5221 rather than SYMBOL_REF_DECL.
5222 (rtx_constant_pool): Remove const_rtx_sym_htab.
5223 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
5224 (init_varasm_status): Don't initialize const_rtx_sym_htab.
5225 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
5226 Remove handling of const_rtx_sym_htab.
5227 (find_pool_constant): Delete.
5228 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
5229 rather than find_pool_constant.
5230 (get_pool_constant_for_function): Delete.
5231 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
5233 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
5234 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
5235 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
5236 (SYMBOL_REF_CONSTANT): New macro.
5237 (get_pool_constant_for_function): Delete.
5238 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
5239 rather than SYMBOL_REF_DECL.
5240 (i386_pe_mark_dllimport): Likewise.
5241 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
5242 rather than SYMBOL_REF_DECL.
5243 * config/darwin.c (machopic_indirect_data_reference): Likewise.
5244 (machopic_indirect_call_target): Likewise.
5246 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
5248 * flow.c (delete_noop_moves): Add missing EOL to dump message.
5250 2006-01-25 Richard Sandiford <richard@codesourcery.com>
5252 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
5254 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
5256 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
5258 2006-01-24 David Daney <ddaney@avtrex.com>
5261 * configure.ac (enable_tls): New enable option.
5262 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
5263 * configure: Regenerate.
5264 * doc/install.texi (--enable-tls): Document new option.
5265 (--disable-tls): Ditto.
5267 2006-01-24 Richard Henderson <rth@redehat.com>
5269 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
5270 * alias.c (true_dependence): Respect it.
5271 (canon_true_dependence, write_dependence_p): Likewise.
5272 * builtins.c (get_builtin_sync_mem): Set it.
5274 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
5276 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
5279 2006-01-24 DJ Delorie <dj@redhat.com>
5281 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
5282 for storing constants in single-bit bitfields.
5284 2006-01-25 Ben Elliston <bje@au.ibm.com>
5286 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
5288 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
5291 * tree-ssa-pre.c (phi_translate): Return NULL
5292 for AGGREGATE_TYPE's.
5294 2006-01-24 Zack Weinberg <zackw@panix.com>
5296 * genautomata.c (process_state_for_insn_equiv_partition):
5297 Use xcalloc for insn_arcs_array.
5298 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
5299 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
5301 2006-01-24 Richard Henderson <rth@redhat.com>
5303 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
5306 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
5308 PR rtl-optimization/25890
5309 PR rtl-optimization/25905
5310 * combine.c (expand_compound_operation, expand_field_assignment):
5311 Fail if the bitfield's final position is out of bounds.
5313 2006-01-24 Ian Lance Taylor <ian@airs.com>
5316 * cgraphunit.c (cgraph_output_in_order): Don't clear
5317 cgraph_asm_nodes until after asm strings have been output.
5319 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
5321 * fix-header.c (read_scan_file): Add new parameter imultilib when
5322 calling register_include_chains.
5324 2006-01-23 Diego Novillo <dnovillo@redhat.com>
5326 * omp-low.c: Update documentation.
5328 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
5329 Daniel Berlin <dberlin@dberlin.org>
5333 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
5334 return from the function.
5336 2006-01-22 Zack Weinberg <zackw@panix.com>
5338 * rtl.def (match_code): Add second argument.
5339 * genpreds.c (write_extract_subexp): New function.
5340 (write_match_code): Add path argument. Use write_extract_subexp.
5341 (write_predicate_expr): Pass path to write_match_code.
5342 (mark_mode_tests): MATCH_CODE applied to a subexpression does
5343 not perform a mode test.
5344 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
5345 a subexpression does not constrain the top-level code set.
5346 * read-rtl.c (read_rtx_variadic): New function.
5347 (read_rtx_1): Use it; allow AND and IOR to be variadic.
5348 * doc/md.texi: Document new notation.
5349 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
5350 (cmpsi_operand): ... here, using new notation.
5352 2006-01-22 Zack Weinberg <zackw@panix.com>
5354 * varray.c: Remove GENERATOR_FILE #ifdefs.
5356 2006-01-22 Zack Weinberg <zackw@panix.com>
5358 * genautomata.c (output_reserved_units_table): Emit nothing if
5359 description->query_units_num is zero. Remove extra blank line.
5360 (output_cpu_unit_reservation_p): Short circuit
5361 if description->query_units_num is zero.
5363 2006-01-22 Zack Weinberg <zackw@panix.com>
5365 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
5366 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
5367 nor any of the random handful of variables that used to be necessary
5368 when this program was linked with rtlanal.o. Prune set of forward
5369 function declarations.
5370 (struct attr_desc): Remove static_p field.
5371 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
5372 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
5373 (attr_string): Do not read the character one past the length of
5375 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
5376 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
5377 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
5378 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
5379 (make_automaton_attrs): New.
5380 (main): Do not call into genautomata. Call local gen_bypass
5381 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
5382 Remove special case for insn_alts.
5383 * genautomata.c: Include gensupport.h; not genattrtab.h nor
5384 varray.h (leftover from previous change). Prune set of forward
5385 function declarations. Remove state_alts fields from all
5386 structures. Remove state_alts_table from struct automaton.
5387 Make everything except main static. Do not maintain num_dfa_decls.
5388 Do not maintain state_alts fields of various structures.
5389 (process_decls): Don't validate condexp for dm_insn_reserv decls.
5390 (add_arc): Remove state_alts argument. All callers updated.
5391 (output_reserved_units_table): Emit #ifdef here...
5392 (output_tables): ...not here. Don't generate state_alts tables.
5393 (expand_automata): Don't generate attributes.
5394 (write_automata): Don't generate state_alts functions.
5395 (main): New function.
5396 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
5397 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
5398 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
5399 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
5400 (BYPASS_P_FUNC_NAME, output_state_alts_table)
5401 (output_automata_list_state_alts_code, output_internal_state_alts_func)
5402 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
5403 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
5405 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
5406 * genattrtab.h: Delete file.
5407 * Makefile.in (OBJS-common): Add insn-automata.o.
5408 (insn-automata.o): New rule.
5409 (simple_generated_c): Add insn-automata.c.
5410 (build/genattrtab.o, build/genautomata.o): Update dependencies.
5411 (genprogmd): Add automata.
5412 (build/genattrtab): Needs no extra objects nor libraries.
5413 (build/genautomata): Needs build/vec.o and -lm.
5415 2006-01-22 Zack Weinberg <zackw@panix.com>
5417 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
5418 (output_dfa_max_issue_rate, locked_states_num): Delete.
5419 (struct automaton): Add locked_states field.
5420 (output_dead_lock_vect): Save number of locked states in
5421 automaton->locked_states. If it is zero, don't print anything.
5422 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
5423 (output_internal_dead_lock_func): Only test the dead_lock_vect
5424 for automata that have locked states.
5425 (output_statistics): Always print the number of locked states for
5426 each automaton. Calculate total number of locked states here.
5427 (write_automata): Don't call output_dfa_max_issue_rate.
5428 * genattrtab.c: Define length_unit_log as a const variable.
5429 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
5430 max_insn_queue_index const.
5431 * final.c (length_unit_log): Declare const.
5432 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
5434 2006-01-22 Zack Weinberg <zackw@panix.com>
5436 * genautomata.c: Include vec.h, not varray.h.
5437 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
5438 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
5439 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
5440 VEC_* macros operating on appropriately typed vectors, or to
5441 malloced arrays when the size is known in advance. Const-ify
5442 many char* variables and function arguments. No functional changes.
5443 * Makefile.in (build/varray.o): Delete rule.
5444 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
5445 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
5447 2006-01-22 Zack Weinberg <zackw@panix.com>
5449 * gensupport.c: Define get_insn_name and record_insn_name here.
5450 (read_md_rtx): Call record_insn_name as appropriate.
5451 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
5452 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
5453 * genpreds.c, genrecog.c: Don't define get_insn_name nor
5455 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
5456 (BUILD_VARRAY): Delete.
5457 (genprognormal): Rename genprogmd. Fold in all programs from
5458 genprognoprint; also attrtab.
5459 (build/genattrtab): Just mention genautomata.o and varray.o.
5460 Reorganize a bit, add comments to make the categories clearer.
5462 2006-01-22 Zack Weinberg <zackw@panix.com>
5464 * genconditions.c (condition_table, add_condition): Delete.
5465 (write_conditions): Don't emit n_insn_conditions nor
5466 insn_elision_unavailable. Issue the gcc version #ifdef here,
5467 inside the table, with no #else clause ...
5468 (write_header): ...not here.
5469 (write_writer): New function.
5470 (main): Don't initialize condition_table. Use add_c_test.
5472 * gensupport.c (init_md_reader_args_cb): Handle multiple input
5473 files on the command line.
5474 (maybe_eval_c_test): Don't check insn_elision_unavailable.
5475 Return -1 if there is no entry in the table, don't abort.
5476 (add_c_test, traverse_c_tests): New functions.
5477 * gensupport.h (insn_elision_unavailable, insn_conditions)
5478 (n_insn_conditions): Delete declarations.
5479 (add_c_test, traverse_c_tests): Declare.
5480 * read-rtl.c: Include gensupport.h.
5481 (read_conditions): New function.
5482 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
5483 (read_rtx_1): If we get EOF when we were looking for an initial
5484 open paren, return 0. Call read_conditions when appropriate.
5485 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
5486 dummy-conditions.o. Eliminate references to insn-conditions.o,
5487 or change them to build/gencondmd.o, as appropriate. Remove
5488 insn-constants.h from $(simple_generated_h) and insn-conditions.c
5489 from $(simple_generated_c). For all files remaining in those
5490 two lists, add insn-conditions.md to the generator command line.
5491 Give insn-constants.h/s-constants their own rules. Add rules
5492 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
5493 (build/read-rtl.o): Depend on gensupport.h.
5494 (genprognormal): Include preds.
5495 (genprogearly): Rename genprognoprint; only difference is now that
5496 they don't link with $(BUILD_PRINT).
5497 * dummy-conditions.c: Delete.
5499 2006-01-22 Zack Weinberg <zackw@panix.com>
5501 * genextract.c: Don't include insn-config.h. Do include vec.h.
5502 Declare vectors of int, char, and locstr.
5503 (locstr): New typedef.
5504 (struct extraction): Make all array fields into bare pointers.
5505 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
5506 (insn_code_number): Delete.
5507 (accum_extract): New struct.
5508 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
5509 (gen_insn): Take insn_code_number as an argument. Use an
5510 accum_extract structure instead of loading data directly into
5511 a struct extraction, and having to know how big it might get.
5512 (walk_rtx): Operate entirely on an accum_extract structure.
5513 (print_path): Avoid unnecessary use of printf.
5514 (print_header): New function, split out of main. Distinguish
5515 more carefully between an unrecognizable insn and an insn that
5516 has the code number of a define_expand.
5517 (main): Pass insn_code_number to gen_insn. Call print_header
5518 only after parsing. Avoid unnecessary use of printf.
5519 * Makefile.in (build/vec.o): New rule.
5520 (build/genextract): Depend on build/vec.o.
5521 (build/genextract.o): Don't depend on insn-config.h.
5523 2006-01-22 Zack Weinberg <zackw@panix.com>
5525 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
5526 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
5527 practical. Eliminate per-generator-program link rules.
5529 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
5532 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
5533 with a call expr to ...
5534 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
5536 2006-01-23 Richard Guenther <rguenther@suse.de>
5538 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
5539 before make_edge with conditional EDGE_TRUE_VALUE.
5541 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
5542 Jan Hubicka <jh@suse.cz>
5543 Richard Guenther <rguenther@suse.de>
5545 PR rtl-optimization/25654
5546 * cfgexpand.c (aggregate_contains_union_type): New function.
5547 (add_alias_set_conflicts): Call it. Make sure to add conflicts
5548 for structure variables that contain a union type.
5550 2006-01-23 Richard Sandiford <richard@codesourcery.com>
5552 * gengtype.c (new_structure): Return the structure.
5553 (create_option): Add an extra "next" argument.
5554 (create_field): New function.
5555 (adjust_field_rtx_def): Use create_option and create_field.
5556 Remove a now-unnecessary call to find_structure.
5557 (adjust_field_tree_def): Likewise.
5558 (note_yacc_type): Remove an unnecessary call to find_structure.
5559 * gengtype.h (new_structure): Return the structure.
5560 (create_option): Add an extra argument.
5561 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
5562 (option): Adjust calls to create_option.
5564 2006-01-22 David Edelsohn <edelsohn@gnu.org>
5566 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
5568 2006-01-22 Paul Brook <paul@codesourcery.com>
5569 Peter Barada <peter@the-baradas.com>
5571 * config/m68k/m68k.md: Add Coldfire FPU support.
5572 Define FP mode macro and associated attributes.
5573 Use it for float mode patterns.
5574 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
5575 (LIBCALL_VALUE): Use m68k_libcall_value.
5576 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
5577 (m68k_function_value): Ditto.
5578 (emit_move_sequence): Ditto.
5579 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
5580 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
5581 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
5582 (MULTILIB_EXCEPTIONS): Ditto.
5583 * config/m68k/m68k.opt: Add mcfv4e.
5584 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
5585 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
5586 (m68k_output_function_prologue): Save ColdFire FPU registers.
5587 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
5588 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
5589 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
5590 ColdFire FPU registers.
5591 (m68k_libcall_value, m68k_function_value): New functions.
5592 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
5593 (LIBCALL_VALUE): Use m68k_libcall_value.
5594 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
5595 (MASK_COLDFIRE): Add MASK_CFV4E.
5596 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
5597 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
5598 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
5599 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
5600 (GO_IF_LEGITIMATE_ADDRESS): Use it.
5601 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
5602 * doc/invoke.tex: Document -mcfv4e on m68k.
5604 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
5606 * doc/contribute.texi: Change CVS to SVN and update the corresponding
5609 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
5612 * c-opts.c (c_common_handle_option): Don't include
5613 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
5614 * doc/invoke.texi (C++ Dialect Options): Document that
5615 -Wnon-virtual-dtor is no longer included in -Wall.
5617 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
5619 * gcov.c (print_version), gcov-dump.c (print_version),
5620 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
5623 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
5625 * df-scan.c (problem_SCAN): Added NULL reset function.
5626 (df_scan_reset_blocks): Added code to call reset block function
5627 (df_bb_refs_delete) Fixed comment.
5628 (df_insn_refs_delete): Made tolerant of deleting non existent info
5629 for dataflow problems that need to be reset.
5630 * df-core.c (df_set_blocks): Ditto.
5631 * df.h (struct df_problem): Added reset_fun.
5632 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
5633 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
5634 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
5635 functions to clear out all references to def-use or use-def chains.
5637 2006-01-21 Ben Elliston <bje@au.ibm.com>
5639 * varasm.c (assemble_real): Initialise data array.
5641 2006-01-20 Paul Brook <paul@codesourcery.com>
5643 Merge from csl-arm-branch.
5644 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
5645 * config/arm/arm.md (movdi): Force operands[1] to a register
5646 if we have a non-register source.
5647 (*arm_movdi, *movdf_soft_insn): Require that one of the
5648 operands be a register.
5649 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
5650 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
5652 2006-01-20 DJ Delorie <dj@redhat.com>
5654 * varasm.c (initialize_constant_valid_p): Allow pointers
5655 initialized from integer constants of lesser precision.
5656 (output_constant): Allow non-int-sized pointer modes to be
5657 initialized from integer constants.
5659 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
5662 * cppdefault.h (struct default_include): Add multilib flag.
5663 * cppdefault.c (cpp_include_defaults): Set it.
5664 * c.opt (-imultilib): New option.
5665 * c-opts.c (imultilib): New.
5666 (c_common_handle_option): Handle -imultilib.
5667 (c_common_post_options): Likewise.
5668 * c-incpath.c (add_standard_paths, register_include_chains):
5670 * c-incpath.h (register_include_chains): Add extra parameter.
5671 * gcc.c (do_spec_1): Generate -imultilib option.
5672 (The Specs Language): Update %I description.
5673 (process_command): Update copyright notice.
5674 * doc/cppopts.texi (-imultilib): Document.
5675 * doc/invoke.texi (-imultilib): Include in option summary.
5676 (%I): Update specs documentation.
5678 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
5680 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
5682 2006-01-20 Richard Sandiford <richard@codesourcery.com>
5684 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
5687 2006-01-20 Richard Guenther <rguenther@suse.de>
5688 Steven Bosscher <stevenb.gcc@gmail.com>
5690 PR rtl-optimization/24626
5691 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
5692 EDGE_TRUE_VALUE if in RTL mode.
5695 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
5696 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
5698 2006-01-20 Dirk Mueller <dmueller@suse.com>
5701 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
5702 instead of a special NOP marker.
5703 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
5704 NOP marker handling.
5705 * c-common.h (empty_body_warning): Add forward declaration.
5706 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
5707 Now uses IS_EMPTY_STMT() instead of special NOP markers.
5709 2006-01-20 Paul Brook <paul@codesourcery.com>
5711 * Makefile.in (lang_checks): Keep going if mkdir fails.
5713 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
5715 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
5716 be able to clean out basic block when not necessary.
5717 (df_scan_free): Fixed to properly delete information if df is
5718 unused before calling df_finish.
5719 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
5720 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
5722 (df_bb_refs_delete): New function.
5723 (df_refs_delete): Moved per block code to df_bb_refs_delete.
5724 * df-core.c (df_set_blocks): Added code to properly clean out
5725 unused blocks if they are not part of the blocks to consider.
5726 Added additional null check.
5727 (df_compact_blocks): Added basic block parameter to free_bb_fun to
5728 be able to clean out basic block when not necessary
5729 * df.h (df_free_bb_function): Ditto.
5730 (df_bb_refs_delete): New function.
5731 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
5732 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
5733 basic block parameter to be able to clean out basic block when not
5735 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
5736 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
5737 Fixed to properly delete information if df is unused before
5740 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
5742 PR rtl-optimization/25799
5743 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
5744 Corrected confluence operator to remove bits from op2 before oring
5745 with op1 rather than removing bits from op1.
5746 (df_ru_transfer_function): Corrected test on wrong bitmap which
5747 caused infinite loop. Both of these problems were introduced in
5748 the dataflow rewrite.
5750 2006-01-19 DJ Delorie <dj@redhat.com>
5752 * reload1.c (find_reload_regs): Note the details of reload
5753 failures in the dump file.
5754 (spill_failure): Likewise.
5756 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
5758 * loop-iv.c: Include df.h and hashtab.h.
5759 (enum iv_grd_result): New enum.
5760 (DF_REF_IV, DF_REF_IV_SET): New macros.
5761 (struct biv_entry): New.
5762 (df, bivs): New global variables.
5763 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
5764 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
5766 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
5767 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
5768 analyzed_for_bivness_p, record_biv): New functions.
5769 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
5770 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
5771 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
5773 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
5775 (iv_number_of_iterations): Use new interface to iv analysis.
5776 * loop-unroll.c: Do not include varray.h.
5777 (analyze_iv_to_split_insn): Use new interface to iv
5779 * loop-unswitch.c (may_unswitch_on): Ditto.
5780 * df.c (df_bitmaps_free): Only work for bbs for that structures are
5782 (df_bb_modify): Realloc tables to the new index.
5783 (df_find_use): New function.
5784 * df.h (df_find_use): Declare.
5785 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
5787 * cfgloop.h (struct rtx_iv): Remove analysed field.
5788 (iv_get_reaching_def): Removed.
5789 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
5790 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
5791 (loop-iv.o): Add df.h and hashtab.h dependency.
5792 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
5794 2006-01-20 Alan Modra <amodra@bigpond.net.au>
5797 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
5799 (__floatundisf, __floatundidf): Likewise.
5800 * libgcc2.h (IS_IBM_EXTENDED): Define.
5802 2006-01-19 DJ Delorie <dj@redhat.com>
5804 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
5806 2006-01-19 Paul Brook <paul@codesourcery.com>
5808 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
5809 as nothrow when unwinding tables are disabled.
5811 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5814 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
5815 of bit-field" when in system header.
5817 2006-01-19 DJ Delorie <dj@redhat.com>
5819 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
5820 the 16 bit shift limit of the m16c.
5822 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
5825 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
5826 * config/i386/i386.c (output_set_got): Output the label if we have one
5827 for the TARGET_DEEP_BRANCH_PREDICTION case.
5829 2006-01-19 Jan Hubicka <jh@suse.cz>
5830 H.J. Lu <hongjiu.lu@intel.com>
5831 Evandro Menezes <evandro.menezes@amd.com>
5833 * invoke.texi (generic): Document
5835 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
5836 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
5837 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
5838 (x86_use_incdec, x86_pad_returns): New variables
5839 (TARGET_CPU_DEFAULT_generic): New constant
5840 (TARGET_CPU_DEFAULT_NAMES): Add generic.
5841 (enum processor_type): Add generic32 and generic64.
5842 * i386.md (cpu attribute): Add generic32/generic64
5843 (movhi splitter): Behave sanely when both partial_reg_dependency and
5844 partial_reg_stall are set.
5845 (K8 splitters): Enable for generic as well.
5846 * predicates.md (incdec_operand): Use TARGET_INCDEC
5847 (aligned_operand): Avoid memory mismatch stalls.
5848 * athlon.md: Enable for generic64, new patterns for 128bit moves.
5849 * ppro.md: Enable for generic32
5850 * i386.c (generic64_cost, generic32_cost): New.
5851 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
5852 (x86_use_leave): Enable for generic64. (x86_use_sahf,
5853 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
5854 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
5855 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
5856 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
5857 x86_partial_reg_dependency, x86_memory_mismatch_stall,
5858 x86_accumulate_outgoing_args, x86_prologue_using_move,
5859 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
5860 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
5862 (x86_use_incdec, x86_pad_returns): New.
5863 (override_options): Add generic32 and generic64, translate "generic"
5864 to generic32/generic64 and "i686" to "generic32", refuse
5865 "generic32"/"generic64" as arch target.
5866 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
5867 (ix86_reorg): Honor PAD_RETURNS.
5869 2006-01-19 Diego Novillo <dnovillo@redhat.com>
5871 * tree-pretty-print.c (dump_generic_node): Handle
5872 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
5873 * cgraph.c (cgraph_expand_queue): Rename from
5874 cgraph_analyze_queue. Update all users.
5875 * cgraphunit.c (cgraph_assemble_pending_functions): Process
5876 cgraph_expand_queue.
5877 (cgraph_expand_all_functions): Likewise.
5878 (cgraph_finalize_pending_functions): Remove. Update callers.
5880 * tree.h (OMP_DIRECTIVE_P): Define.
5881 (OMP_PARALLEL_FN): Define.
5882 (OMP_PARALLEL_DATA_ARG): Define.
5883 (OMP_SECTIONS_SECTIONS): Define.
5884 * tree-pass.h (pass_expand_omp): Declare.
5885 * omp-low.c (struct omp_region): Declare.
5886 (struct omp_context): Remove fields 'parallel_type',
5887 'parallel_start_ix' and 'parallel_start_additional_args'.
5889 (struct omp_for_data): Rename from struct expand_omp_for_data.
5890 (omp_regions): New static variable.
5891 (root_omp_region): New static variable.
5892 (find_omp_clause): Make static.
5893 (is_in_combined_parallel_ctx): Remove.
5894 (is_combined_parallel): New.
5895 (extract_omp_for_data): Move earlier in the file.
5896 (workshare_safe_to_combine_p): New.
5897 (get_ws_args_for): New.
5898 (determine_parallel_type): Move earlier in the file.
5899 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
5901 (omp_copy_decl): Likewise.
5902 (create_omp_child_function): Likewise.
5903 (lookup_omp_region): New.
5904 (dump_omp_region): New.
5905 (debug_omp_region): New.
5906 (debug_all_omp_regions): New.
5907 (new_omp_region): New.
5908 (scan_omp_parallel): If parallel_nesting_level > 1, the
5909 directive is nested within another parallel directive.
5910 Set OMP_PARALLEL_FN.
5911 (scan_omp_for): Do not try to handle combined parallel+for
5913 Remove FIXME comment.
5914 (scan_omp_nested): Remove.
5915 (scan_omp_1): Do not call scan_omp_nested when
5916 parallel_nesting_level is > 1.
5917 Do not change the DECL_CONTEXT of local variables found.
5918 (lookup_decl_in_outer_ctx): New.
5919 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
5920 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
5921 (lower_reduction_clauses): Rename from expand_reduction_clauses.
5922 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
5923 If CTX is nested, lookup VAR in the outer context when
5924 building copy assignment.
5925 (lower_send_clauses): Rename from expand_send_clauses.
5926 If CTX is nested, lookup VAR in the outer context when
5927 building copy assignments.
5928 (lower_send_shared_vars): Rename from expand_send_shared_vars.
5929 If CTX is nested, lookup VAR in the outer context when
5930 building copy assignments.
5931 (expand_parallel_call): Rename from build_parallel_call.
5932 Handle combined parallel+workshare cases.
5933 Re-implement to emit code into the CFG.
5935 (expand_omp_parallel): Re-implement to emit code into the CFG.
5936 Call move_sese_region_to_fn to outline the sub-graph
5937 containing the parallel region.
5938 (expand_omp_for_1): Remove.
5939 (expand_omp_for_generic): Re-implement to emit code into the
5941 (expand_omp_for_static_nochunk): Likewise.
5942 (expand_omp_for_static_chunk): Likewise.
5943 (expand_omp_for): Likewise.
5944 (expand_omp_sections): Likewise.
5945 (remove_exit_barriers): New.
5946 (expand_omp_synch): New.
5948 (build_omp_regions_1): New.
5949 (build_omp_regions): New.
5950 (execute_expand_omp): New.
5951 (gate_expand_omp): New.
5952 (pass_expand_omp): Define.
5953 (lower_omp_sections): Rename from expand_omp_sections.
5954 Set OMP_SECTIONS_SECTIONS.
5955 (lower_omp_single_simple): Rename from expand_omp_single_simple.
5956 (lower_omp_single_copy): Rename from expand_omp_single_copy.
5957 (lower_omp_single): Rename from expand_omp_simple.
5958 (lower_omp_master): Rename from expand_omp_master.
5959 (lower_omp_ordered): Rename from expand_omp_ordered.
5960 (lower_omp_critical): Rename from expand_omp_critical.
5961 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
5962 (lower_omp_for): Re-implement.
5963 (lower_omp_parallel): Re-implement.
5964 (lower_regimplify): Rename from expand_regimplify.
5965 (lower_omp_1): Rename from expand_omp_1.
5966 If there are syntax errors in the program, replace every
5967 OpenMP directive with NOP.
5968 Call lower_omp_* instead of expand_omp_*.
5969 (lower_omp): Rename from expand_omp.
5971 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
5972 * tree-gimple.h (enum omp_parallel_type): Remove.
5973 (gimple_boolify): Declare extern.
5974 (find_omp_clause, determine_parallel_type): Remove.
5976 * gimple-low.c (lower_omp_directive): New.
5977 (lower_stmt): Call it.
5978 (record_vars_into): Move from ...
5979 (record_vars): ... here.
5980 Call record_vars_into with current_function_decl.
5982 * gimplify.c (struct gimplify_ctx): Remove fields
5983 combined_pre_p and combined_ctxp. Update users.
5984 (get_formal_tmp_var): Add documentation.
5985 (gimple_boolify): Make extern.
5986 (gimplify_expr_in_ctx): Remove. Update callers.
5987 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
5988 will always be a BIND_EXPR.
5989 (gimplify_expr): Handle OMP_RETURN_EXPR.
5990 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
5991 (OMP_PARALLEL): Add 3 operands.
5992 (OMP_SECTIONS): Add 1 operand.
5993 (OMP_RETURN_EXPR): Define.
5995 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
5996 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
5997 * tree-iterator.c (alloc_stmt_list): Assert that we are not
5998 creating a circular free list.
5999 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
6001 * tree-flow.h (move_sese_region_to_fn): Declare.
6002 (record_vars_into): Declare.
6003 * tree-cfg.c (make_omp_sections_edges): New.
6004 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
6005 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
6006 OMP_SECTIONS and OMP_SECTION.
6007 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
6008 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
6009 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
6010 (gather_blocks_in_sese_region): New.
6011 (struct move_stmt_d): Declare.
6013 (move_block_to_fn): New.
6014 (move_sese_region_to_fn): New.
6016 * passes.c (init_optimization_passes): Schedule
6017 pass_expand_omp after pass_init_datastructures.
6019 * tree-ssa-operands.c (get_expr_operands): Handle
6020 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
6021 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
6023 2006-01-19 Jeff Law <law@redhat.com>
6025 * tree-vrp.c (extract_range_from_assert): Refine the result range
6026 if the variable referenced by the ASSERT_EXPR has a range and
6027 either the tentative result range or the previous range is a
6030 2006-01-19 Richard Sandiford <richard@codesourcery.com>
6032 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
6034 2006-01-19 Jan Hubicka <jh@suse.cz>
6036 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
6038 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
6040 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
6041 (expand_compound_operation, expand_field_assignment): Fail if the
6042 bit lengths of an extract operation are out of range.
6043 (make_extraction): Compute wanted_inner_mode based on the position
6044 and length of the extraction. Make it extraction_mode for non-constant
6045 positions, and do not modify offset in that case. When generating a
6046 new MEM, use a mode that can hold the extraction while keeping correct
6047 alignment. Remove code that supported MEMs wrapped by USEs.
6048 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
6050 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
6052 * config/s390/s390.md ("Y", "y"): New mode attribute.
6053 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
6054 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
6055 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
6056 "*addsi3_imm_cc", "*addsi3_carry1_cc",
6057 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
6058 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
6059 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
6060 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
6061 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
6062 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
6063 "addsi3", "subsi3"): Insn patterns removed.
6064 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
6065 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
6066 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
6067 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
6068 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
6069 "*sub<mode>3_cconly2"): New insn patterns.
6070 ("addsi3", "subsi3"): New expanders.
6072 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
6074 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
6075 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
6076 existing STMT_VINFO_VECTYPE if available.
6077 (vect_mark_relevant): Add special handling for stmts that are
6078 marked as STMT_VINFO_IN_PATTERN_P.
6079 (vect_analyze_loop): Call vect_pattern_recog.
6080 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
6081 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
6083 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
6084 (vect_recog_func_ptr): New function-pointer type.
6085 * tree-vect-patterns.c: New file.
6086 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
6087 (vect_recog_dot_prod_pattern, vect_pattern_recog):
6088 (vect_pattern_recog_1): New functions.
6089 (vect_pattern_recog_funcs): New array of function pointers.
6091 * tree-vectorizer.h (ternary_op): New enum value.
6092 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
6093 declaration. Revised documentation. Removed redundant dump prints.
6094 Removed redundant argument. Added support for reduction patterns.
6095 (vectorizable_reduction): Added support for reduction patterns.
6096 (vect_transform_stmt): Added support for patterns.
6098 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
6099 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
6100 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
6101 (expand_widen_pattern_expr): New function.
6102 (init_optabs): Initialize new optabs udot_prod_optab,
6104 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
6105 (sdot_prod_optab, udot_prod_optab): Define new optabs.
6106 (expand_widen_pattern_expr): New function declaration.
6107 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
6109 * tree-inline.c (estimate_num_insns_1): Added cases for new
6110 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
6111 * tree-pretty-print.c (dump_generic_node): Likewise.
6112 (op_prio): Likewise.
6113 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
6114 * tree-ssa-operands.c (get_expr_operands): Added case for
6116 * tree-vect-patterns.c (widened_name_p): New function.
6117 (vect_recog_dot_prod_pattern): Added function implementation.
6118 * tree-vect-transform.c (get_initial_def_for_reduction): Added
6119 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
6120 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
6121 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
6123 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
6124 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
6125 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
6126 (init_optabs): Initialize new optabs widen_ssum_optab,
6128 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
6129 (widen_ssum_optab, widen_usum_optab): Define new optabs.
6130 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
6131 use instead of type of def.
6132 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
6133 function implementation.
6134 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
6135 widen_ssumv8hi): New.
6137 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
6140 2006-01-19 Richard Sandiford <richard@codesourcery.com>
6143 * c-decl.c (add_flexible_array_elts_to_size): New function.
6144 (finish_decl): Use it.
6146 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
6148 * diagnostic.h: Include options.h.
6149 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
6150 dependancies for diagnostic.h.
6151 * Makefile.in (DIAGNOSTIC_H): Add options.h.
6153 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
6155 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
6156 (ssa_ro_call_cache_valid): Ditto.
6157 * tree-ssa-alias.c (sort_tags_by_id): New function.
6158 (init_transitive_clobber_worklist): Ditto.
6159 (add_to_worklist): Ditto.
6160 (mark_aliases_call_clobbered): Ditto.
6161 (compute_tag_properties): Ditto.
6162 (set_initial_properties): Ditto.
6163 (compute_call_clobbered): Ditto.
6164 (compute_may_aliases): Call compute_call_clobbered and grouping.
6165 (compute_flow_sensitive_aliasing): Remove clobbering related code.
6166 (compute_flow_insensitive_aliasing): Grouping now happens in our
6168 (setup_pointers_and_addressables): Remove clobbering related code.
6169 (add_may_alias): Ditto.
6170 (replace_may_alias): Ditto.
6171 (get_nmt_for): Ditto.
6172 (create_global_var):
6173 (is_escape_site): Return an escape_type enumeration.
6174 * tree-flow-inline.h (is_call_clobbered): Global var does not
6175 imply call clobbered.
6176 (mark_call_clobbered): Take a reason for marking this. Remove
6177 marking of globalness, and cache invalidation.
6178 (clear_call_clobbered): Remove cache invalidation code.
6179 * tree-dfa.c (dump_variable): If details is on, dump the reason
6181 * tree-outof-ssa.c (create_temp): Copy escape mask from original
6183 * tree-flow.h (struct ptr_info_def): Add escape mask member.
6184 (struct var_ann_d): Ditto.
6185 (enum escape_type): New.
6186 (mark_call_clobbered): Adjust prototype.
6187 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
6188 are never call clobbered.
6189 Record reasons for escaping.
6190 * tree-ssa-structalias.h (is_escape_site): Update prototype.
6191 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
6192 (ssa_ro_call_cache_valid): Ditto.
6193 (clobbered_v_may_defs): Ditto.
6194 (clobbered_vuses): Ditto.
6195 (ro_call_vuses): Ditto.
6196 (clobber_stats): New.
6197 (init_ssa_operands): Zero out clobber stats.
6198 (fini_ssa_operands): Print out clobber stats.
6199 (get_call_expr_operands): Pass callee fndecl to
6201 (add_call_clobber_ops): Remove use of cache.
6202 Add use of PURE_CONST information.
6203 (add_call_read_ops): Remove use of cache.
6204 Add use of static not_read information.
6206 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
6208 Introduce TLS descriptors for i386 and x86_64.
6209 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
6210 (TARGET_ANY_GNU_TLS): New macro.
6211 (enum tls_dialect): Added TLS_DIALECT_GNU2.
6212 (struct machine_function): Add tls_descriptor_call_expanded_p.
6213 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
6214 (ix86_current_function_calls_tls_descriptor): Likewise.
6215 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
6216 (override_options): Introduce gnu2 tls dialect.
6217 (ix86_frame_pointer_required): Functions containing TLSCALLs are
6219 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
6221 (legitimize_tls_address): Adjust logic for GNU2 TLS.
6222 (ix86_init_machine_status): Initialize new field.
6223 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
6224 (ix86_tls_module_base): New.
6225 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
6226 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
6227 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
6228 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
6229 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
6230 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
6231 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
6232 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
6233 * config/i386/predicates.md (tls_modbase_operand): New.
6234 (tp_or_register_operand): New.
6236 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
6238 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
6239 (look_for_address_of): Ditto.
6240 (ipa_init): Walk the function decls.
6241 (static_execute): Don't set readonly on FUNCTION_DECL's.
6243 2006-01-18 Roger Sayle <roger@eyesopen.com>
6245 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
6246 for shifts where the source and destination registers are different.
6248 2006-01-18 Paul Brook <paul@codesourcery.com>
6250 Merge from csl-arm-branch.
6251 2005-03-14 Julian Brown <julian@codesourcery.com>
6252 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
6253 (aeabi_llsl): Likewise.
6254 (ashrdi3): Likewise.
6255 (aeabi_lasr): Likewise.
6256 (lshrdi3): Likewise.
6257 (aeabi_llsr): Likewise.
6258 2005-03-10 Julian Brown <julian@codesourcery.com>
6259 * config.gcc: Disable shared libgcc for SymbianOS.
6260 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
6262 2006-01-18 DJ Delorie <dj@redhat.com>
6264 * c-pragma.c (handle_pragma_diagnostic): New.
6265 (init_pragma): Register it.
6266 * doc/extend.texi: Document it.
6268 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
6269 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
6270 (diagnostic_context): Add classify_diagnostic[].
6271 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
6272 as errors if they're overridden to DK_WARNING.
6273 (diagnostic_initialize): Initialize classify_diagnostic[].
6274 (diagnostic_set_kind_override): New.
6275 (diagnostic_report_diagnostic): Check for kind changes.
6276 * opts.c (common_handle_option): Take lang_mask. Update callers.
6278 * common.opt (Werror=): New.
6279 * doc/invoke.texi: Document -Werror=*
6281 2006-01-18 Jeff Law <law@redhat.com>
6283 * tree-vrp.c (test_for_singularity): Correct test for new
6284 min limit. Use operand_equal_p rather than pointer equality
6285 for testing if new min/max values are equal.
6287 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
6288 using range information until after propagation and folding.
6290 2006-01-18 Richard Henderson <rth@redhat.com>
6291 Aldy Hernandez <aldyh@redhat.com>
6292 Jakub Jelinek <jakub@redhat.com>
6293 Diego Novillo <dnovillo@redhat.com>
6295 * omp-low.c: New file.
6296 * c-omp.c: New file.
6298 2006-01-18 Richard Henderson <rth@redhat.com>
6299 Jakub Jelinek <jakub@redhat.com>
6300 Diego Novillo <dnovillo@redhat.com>
6302 * doc/invoke.texi: Document -fopenmp.
6303 * tree-dump.h (debug_function): Declare.
6304 * hooks.c (hook_bool_tree_bool_false): New function.
6305 (hook_tree_tree_null): Remove.
6306 (hook_tree_tree_tree_null): New.
6307 * hooks.h: Update to match.
6308 * tree-pretty-print.c (debug_tree_chain): New.
6309 (print_generic_expr): Handle TDF_CHAIN.
6310 (dump_generic_node): Handle BLOCK.
6311 Do not abort with incomplete SWITCH_EXPRs.
6312 Do not dump body of an OpenMP directive if TDF_SLIM is given.
6313 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
6314 print space after directive name.
6315 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
6316 Handle OMP_MASTER and OMP_ORDERED.
6317 Handle printing of OMP_BODY just in one place, goto
6318 dump_omp_body in the rest of OMP_* nodes that have
6320 Don't handle clause nodes here. Update omp statements to
6321 use dump_omp_clauses.
6322 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
6323 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
6324 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
6325 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
6326 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
6327 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
6328 Adjust output for GOMP_PARALLEL.
6329 (dump_omp_clauses): New.
6330 (print_declaration): Dump DECL_VALUE_EXPR.
6331 (op_symbol_1): Split out of op_symbol.
6332 (dumping_stmts): Remove. Update all users.
6333 * cgraph.c (cgraph_analyze_queue): New.
6334 (cgraph_add_new_function): New.
6335 * cgraph.h (cgraph_analyze_queue): Declare.
6336 (cgraph_add_new_function): Declare.
6337 (cgraph_lower_function): Remove.
6338 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
6339 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
6340 and TYPE_P nodes in its default clause.
6341 (empty_body_p): New.
6342 (tree_range_check_failed): New.
6344 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
6345 OMP_CLAUSE_REDUCTION_MERGE,
6346 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
6347 OMP_CLAUSE_PRIVATE_DEBUG,
6348 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
6349 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
6350 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
6351 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
6352 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
6353 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
6354 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
6355 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
6356 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
6357 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
6358 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
6359 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
6360 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
6361 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
6362 (TREE_RANGE_CHECK): New.
6363 (empty_body_p): Declare.
6364 (enum omp_clause_default_kind): New.
6365 (build_string_literal): Declare.
6366 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
6367 (build5_stat, build5): Declare.
6368 * tree-pass.h (TDF_CHAIN): Define.
6369 * tree-pass.h (PROP_gimple_lomp): Define.
6370 (pass_lower_omp): Declare.
6371 * diagnostic.h (debug_tree_chain): Declare.
6372 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
6374 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
6375 * builtins.c (build_string_literal): Make extern.
6376 * gcc.c (include_spec_function): New.
6377 (static_spec_functions): Add it.
6378 (main): Move load of libgomp.spec ...
6379 (LINK_COMMAND_SPEC): ... here.
6380 (link_gomp_spec): New.
6381 (static_specs): Include it.
6382 (LINK_COMMAND_SPEC): Add link_gomp.
6383 (GOMP_SELF_SPECS): New.
6384 (driver_self_specs): Include it.
6385 (switch_matches): Don't mark inline.
6386 (main): Load libgomp.spec.
6387 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
6388 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
6389 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
6390 * tree-gimple.h (enum omp_parallel): Declare.
6391 (determine_parallel_type): Declare.
6392 (omp_firstprivatize_variable): Declare.
6393 (omp_reduction_init): Declare.
6394 (diagnose_omp_structured_block_errors): Declare.
6395 (struct walk_stmt_info): Add want_return_expr.
6396 (struct walk_stmt_info): Add want_bind_expr, want_locations.
6397 (find_omp_clause): Declare.
6398 (insert_field_into_struct): Declare.
6399 (struct walk_stmt_info): Move from tree-nested.c
6400 (walk_stmts): Declare.
6401 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
6403 * cgraphunit.c (cgraph_lower_function): Make static.
6404 (cgraph_finalize_pending_functions): New.
6405 (cgraph_finalize_function): Call it.
6406 (cgraph_finalize_compilation_unit): Likewise.
6407 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
6408 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
6409 (BT_FN_UINT_UINT): New.
6410 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
6411 DEF_FUNCTION_TYPE_VAR_4): Document.
6412 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
6413 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
6414 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
6415 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
6416 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
6417 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
6418 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
6419 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
6420 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
6421 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
6422 into separate files.
6423 (DEF_GOMP_BUILTIN): New.
6424 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
6425 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
6426 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
6427 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
6428 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
6429 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
6430 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
6431 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
6432 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
6433 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
6434 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
6435 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
6436 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
6437 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
6438 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
6439 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
6440 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
6441 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
6442 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
6443 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
6444 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
6445 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
6446 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
6447 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
6448 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
6449 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
6450 * sync-builtins.def: New file, moved from builtins.def.
6451 * omp-builtins.def: New file, moved from builtins.def.
6452 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
6453 * gimple-low.c (lower_function_body): Clear data.
6454 (lower_stmt): Do not handle COMPOUND_EXPR.
6455 Remove call to print_node_brief.
6456 * c-tree.h (c_finish_omp_clauses): New prototype.
6457 (C_DECL_THREADPRIVATE_P): Define.
6458 (lookup_name_no_remap, c_omp_remap_private): Remove
6459 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
6460 (check_for_loop_decls): Update decl.
6461 (lookup_name_no_remap, c_omp_remap_private): Declare.
6462 (build_indirect_ref, build_modify_expr, pushdecl,
6463 pushdecl_top_level): Move to c-common.h.
6464 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
6465 before the switch, but just in the 2 places that need it.
6466 * c-decl.c (diagnose_mismatched_decls): Do not check for
6467 mismatched thread-local attributes when OLDDECL is marked
6468 threadprivate and NEWDECL has no thread-local attributes.
6469 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
6470 (c_gimple_diagnostics_recursively): Rename from
6471 c_warn_unused_result_recursively. Invoke
6472 diagnose_omp_structured_block_errors.
6473 (check_for_loop_decls): Return a singular decl found.
6474 * langhooks.c (lhd_omp_predetermined_sharing): Return
6475 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
6476 (lhd_omp_firstprivatize_type_sizes): New.
6477 (lhd_omp_assignment): New.
6478 (lhd_omp_predetermined_sharing): New.
6479 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
6480 (struct lang_hooks_for_types): Add
6481 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
6482 omp_predetermined_sharing, omp_disregard_value_expr,
6483 omp_private_debug_clause, omp_clause_default_ctor,
6484 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
6485 (c_finish_omp_clauses): New.
6486 (c_finish_bc_stmt): Diagnose break within omp for.
6487 (c_begin_omp_parallel, c_finish_omp_parallel): New.
6488 (build_unary_op): Return error_mark after reporting
6490 (build_modify_expr): Likewise.
6491 * gimplify.c: Include optabs.h and pointer-set.h.
6492 (enum gimplify_omp_var_data): Declare.
6493 (struct gimplify_omp_ctx): Declare.
6494 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
6496 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
6497 (push_gimplify_context, pop_gimplify_context): Allow nesting.
6498 (splay_tree_compare_decl_uid): New.
6499 (new_omp_context): New.
6500 (delete_omp_context): New.
6501 (gimple_add_tmp_var): Call omp_add_variable.
6502 (gimplify_bind_expr): Likewise.
6503 (gimplify_var_or_parm_decl): If omp_notice_variable returned
6504 true, disregard DECL_VALUE_EXPR on the decl if any.
6505 (gimplify_expr_in_ctx): New.
6506 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
6507 omp_add_variable, omp_notice_variable, omp_is_private
6508 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
6509 gimplify_adjust_omp_clauses, gimplify_omp_parallel
6510 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
6511 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
6512 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
6513 gimplify_omp_atomic): New.
6514 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
6515 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
6516 OMP_CRITICAL and OMP_ATOMIC.
6517 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
6518 * c-pragma.h (enum pragma_kind): Add
6519 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
6520 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
6521 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
6522 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
6523 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
6524 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
6525 PRAGMA_OMP_THREADPRIVATE.
6526 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
6527 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
6528 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
6529 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
6530 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
6531 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
6532 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
6533 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
6534 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
6535 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
6536 * tree-ssa-dce.c (find_control_dependence): Do not assume that
6537 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
6538 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
6540 (struct nesting_info): Add field_map,
6541 suppress_expansion, debug_var_chain.
6542 (create_nesting_tree): Initialize them.
6543 (lookup_field_for_decl): Use field_map.
6544 (get_nonlocal_debug_decl, get_local_debug_decl): New.
6545 (convert_local_omp_clauses): New.
6546 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
6547 (walk_body): Split out of walk_function.
6548 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
6549 (convert_nonlocal_reference): Handle omp statements.
6550 (convert_local_reference): Likewise.
6551 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
6552 (unnest_nesting_tree): New.
6553 (lower_nested_functions): Call it.
6554 (insert_field_into_struct): Make extern.
6555 (struct walk_stmt_info): Move to tree-gimple.h.
6556 (walk_stmts): Make extern.
6557 * omp-builtins.def: New file.
6558 * tree-iterator.c (expr_only): Clarify comment.
6559 * c-common.h (pushdecl_top_level, pushdecl,
6560 build_modify_expr, build_indirect_ref,
6561 c_finish_omp_master, c_finish_omp_critical,
6562 c_finish_omp_ordered, c_finish_omp_barrier,
6563 c_finish_omp_atomic, c_finish_omp_flush,
6564 c_finish_omp_for, c_split_parallel_clauses,
6565 omp_clause_default_kind, c_omp_sharing_predetermined,
6566 c_omp_remap_decl): Declare.
6567 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
6568 (OBJS-common): Add omp-low.o.
6569 (c-omp.o, omp-low.o): Add.
6570 (gimplify.o): Add dependency on $(OPTABS_H).
6571 (GTFILES): Add omp-low.c.
6572 (gt-stringpool.h): Add.
6573 * tree-cfg.c (set_bb_for_stmt): Do not update the
6574 block-to-labels map if we are currently expanding to RTL.
6575 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
6577 Handle IDENTIFIER_NODE.
6578 (tree_verify_flow_info): Do not ICE when emitting error
6579 messages about invalid labels.
6580 (dump_function_to_file): Reset CFUN before emitting the body
6582 (debug_function): New.
6583 * passes.c (init_optimization_passes): Schedule
6585 * langhooks-def.h (lhd_omp_predetermined_sharing,
6586 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
6588 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
6589 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
6590 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
6591 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
6592 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
6593 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
6594 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
6595 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
6596 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
6597 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
6598 (LANG_HOOK_DECLS): Use them.
6600 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
6601 Richard Henderson <rth@redhat.com>
6602 Jakub Jelinek <jakub@redhat.com>
6603 Diego Novillo <dnovillo@redhat.com>
6605 * c-parser.c (pragma_omp_clause): Define.
6606 (c_parser_declaration_or_fndef): Document OpenMP syntax.
6607 (c_parser_compound_statement): Likewise.
6608 (c_parser_statement): Likewise.
6609 (c_parser_pragma): Handle omp pragmas.
6610 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
6611 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
6612 (c_parser_omp_clause_name, check_no_duplicate_clause,
6613 c_parser_omp_variable_list,
6614 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
6615 c_parser_omp_clause_copyprivate,
6616 c_parser_omp_clause_default,
6617 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
6618 c_parser_omp_clause_lastprivate,
6619 c_parser_omp_clause_nowait,
6620 c_parser_omp_clause_num_threads,
6621 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
6622 c_parser_omp_clause_reduction,
6623 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
6624 c_parser_omp_all_clauses, c_parser_omp_structured_block,
6625 c_parser_omp_atomic, c_parser_omp_barrier,
6626 c_parser_omp_critical, c_parser_omp_flush,
6627 c_parser_omp_for_loop, c_parser_omp_for,
6628 c_parser_omp_master, c_parser_omp_ordered,
6629 c_parser_omp_sections_scope, c_parser_omp_sections,
6630 c_parser_omp_parallel, c_parser_omp_single,
6631 c_parser_omp_construct, c_parser_omp_threadprivate): New.
6632 * c-pragma.c (init_pragma): Do omp pragma registration here.
6633 * c.opt (fopenmp): New flag.
6635 2006-01-18 Eric Christopher <echristo@apple.com>
6637 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
6638 * config/darwin.h (GOMP_SELF_SPECS): Define.
6640 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
6642 * rtl.h: Remove the prototype for reg_alloc.
6644 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6647 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
6648 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
6649 sjlj and dwarf2 exception handling.
6650 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
6651 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
6652 * pa/pa.c (function_value): Treat complex and vector types as
6654 (function_arg): Likewise. Only pass scalar floats in the floating
6655 point argument registers.
6656 * pa/t-slibgcc-dwarf-ver: New file.
6657 * pa/t-slibgcc-sjlj-ver: New file.
6658 * pa/t-slibgcc-elf-ver: Delete file.
6660 2006-01-19 Alan Modra <amodra@bigpond.net.au>
6662 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
6663 unlikely_test_section_p test.
6665 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
6667 * mode-switching.c (optimize_mode_switching): Make it static.
6668 * basic-block.h: Remove the prototype for
6669 optimize_mode_switching.
6671 * modulo-sched.c (sms_schedule): Make it static.
6672 * rtl.h: Remove the prototype for sms_schedule.
6674 * postreload-gcse.c (gcse_after_reload_main): Make it static.
6675 * rtl.h: Remove the prototype for gcse_after_reload_main.
6677 * reg-stack.c (reg_to_stack): Make it static.
6678 * rtl.h: Remove the prototype for reg_to_stack.
6680 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
6682 * rtl.h: Remove the prototypes for regrename_optimize and
6683 copyprop_hardreg_forward.
6685 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
6687 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
6688 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
6689 Test against the appropriate null constant for the mode.
6690 If 'fixup_overlap' is true, swap the operands if they overlap.
6691 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
6692 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
6693 alpha_split_tmode_pair and adjust for above change.
6694 * config/alpha/alpha.md (movtf_internal): Adjust call to
6695 alpha_split_tfmode_pair and rely on it to swap the operands.
6696 (movti_internal): New insn and post-reload splitter.
6697 (movti): New expander.
6699 2006-01-18 Philippe De Muyter <phdm@macqel.be>
6701 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
6704 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
6706 * rtlanal.c (global_reg_mentioned_p_1,
6707 global_reg_mentioned_p): Remove.
6708 * rtl.h: Remove the prototype for global_reg_mentioned_p.
6710 * flow.c (initialize_uninitialized_subregs): Make it static.
6711 * rtl.h: Remove the prototype for
6712 initialize_uninitialized_subregs.
6714 * function.c (instantiate_virtual_regs): Make it static.
6715 * function.h: Remove the prototype for
6716 instantiate_virtual_regs.
6718 * regmove.c (regmove_optimize, combine_stack_adjustments):
6720 * rtl.h: Remove the prototypes for regmove_optimize and
6721 combine_stack_adjustments.
6723 2006-01-17 Roger Sayle <roger@eyesopen.com>
6725 * config/i386/i386.c (COSTS_N_BYTES): New macro.
6726 (size_cost): Encode costs in bytes so that a reg-reg addition is
6727 equivalent to COSTS_N_INSNS(1).
6728 (override_options): Use the size_cost.branch_cost as the default
6729 ix86_branch_cost when optimizing for size.
6731 2006-01-18 Ben Elliston <bje@au.ibm.com>
6733 * Makefile.in (D32PBIT_FUNCS): New.
6734 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
6735 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
6736 D64PBIT_FUNCS and D128PBIT_FUNCS.
6737 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
6738 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
6740 (decnumber_dep): Define.
6741 * doc/libgcc.texi (Decimal float library routines): New node.
6742 * config/dfp-bit.h, config/dfp-bit.c: New files.
6744 2006-01-18 Ben Elliston <bje@au.ibm.com>
6746 * expr.c (emit_move_change_mode): Always adjust addresses, not
6747 just during reload. Copy replacements only during reload.
6748 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
6749 emit_move_via_integer.
6751 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
6753 * Makefile.in (check-%, check-consistency): Use $${srcdir}
6754 instead of $(srcdir) and ${srcdir}.
6756 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
6760 * arm.h (struct machine_function): Add pic_reg.
6761 * arm.c (arm_pic_register): Make unsigned.
6762 (arm_override_options): Only set arm_pic_register if
6763 TARGET_SINGLE_PIC_BASE.
6764 (use_return_insn): Only test for a pic register if it is fixed.
6765 (arm_compute_save_reg0_reg12_mask): Likewise.
6766 (thumb_compute_save_reg_mask): Likewise.
6767 (legitimate_pic_operand): Factor out some known invariants.
6768 (legitimize_pic_address): If we don't have a fixed pic register,
6769 then set up a pseudo in the function entry sequence. Handle the
6770 pic base being in a pseudo.
6771 (arm_load_pic_register): Handle the pic register being in a pseudo.
6772 (arm_expand_prologue): Only set up the pic register if it is fixed.
6773 (thumb_expand_prologue): Likewise.
6774 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
6775 (pic_load_addr_based_insn): Likewise.
6776 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
6779 2006-01-18 Ben Elliston <bje@au.ibm.com>
6781 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
6782 decimal float modes for all floating point registers.
6784 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
6785 match_code "mem" with match_test "macho_lo_sum_memory_operand".
6787 2006-01-17 Jakub Jelinek <jakub@redhat.com>
6790 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
6791 even when the pointer is not NULL.
6793 2006-01-16 Ian Lance Taylor <ian@airs.com>
6795 * common.opt (ftoplevel-reorder): New option.
6796 * cgraph.c (cgraph_asm_nodes): New global variable.
6797 (cgraph_asm_last_node): New static variable.
6798 (cgraph_order): New global variable.
6799 (cgraph_create_node): Set new order field.
6800 (cgraph_varpool_node): Likewise.
6801 (decide_is_variable_needed): Return true if not
6802 flag_toplevel_reorder.
6803 (cgraph_add_asm_node): New function.
6804 * cgraph.h (struct cgraph_node): Add order field.
6805 (struct cgraph_varpool_node): Add order field.
6806 (struct cgraph_asm_node): Define.
6807 (cgraph_asm_nodes, cgraph_order): Declare.
6808 (cgraph_add_asm_node): Declare.
6809 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
6811 (cgraph_varpool_assemble_pending_decls): Call it.
6812 (cgraph_output_pending_asms): New static function.
6813 (cgraph_finalize_compilation_unit): Call it.
6814 (struct cgraph_order_sort): Define.
6815 (cgraph_output_in_order): New static function.
6816 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
6817 !flag_toplevel_reorder case.
6818 * c-parser.c: Include "cgraph.h".
6819 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
6821 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
6822 than -fno-unit-at-a-time.
6823 * doc/invoke.texi (Option Summary): Mention
6824 -fno-toplevel-reorder.
6825 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
6826 -funit-at-a-time documentation.
6828 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
6829 Kazu Hirata <kazu@codesourcery.com>
6831 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
6833 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
6835 * Makefile.in (FUNCTION_H): New. Use it instead of
6836 function.h throughout the file.
6837 * function.h: Include tree.h.
6839 2006-01-17 Ben Elliston <bje@au.ibm.com>
6841 * recog.c: Separate some functions with whitespace.
6843 2006-01-16 Richard Henderson <rth@redhat.com>
6845 Merge from gomp branch:
6846 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
6847 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
6848 and rename from struct inline_data. Rename callee* to dst*;
6849 caller* to src*; add copy_decl hook, transform_call_graph_edges,
6850 transform_new_cfg, transform_return_to_modify, and
6851 transform_lang_insert_block flags; remove cloning_p, versioning_p,
6853 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
6854 (copy_decl_for_dup): Remove.
6855 * tree-inline.c (struct inline_data): Move to header.
6856 (insert_decl_map): Export.
6857 (remap_decl): Update for member name changes. Use copy_decl hook.
6858 Allow for replacement to be a non-decl. Remove dead code.
6859 (remap_type_1): Check for existing mapping.
6860 (remap_type): Export.
6861 (remap_decls): Update for member name changes.
6862 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
6863 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
6864 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
6865 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
6866 (tree_function_versioning, build_duplicate_type): Likewise.
6867 (copy_body_r): Likewise. Export.
6868 (copy_decl_for_dup): Split into ...
6869 (copy_decl_for_dup_finish, copy_decl_to_var,
6870 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
6871 (replace_ref_tree, inlining_p): Remove.
6873 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
6875 * ifcvt.c (if_convert): Make it static.
6876 * rtl.h: Remove the prototype for if_convert.
6878 * local-alloc.c (local_alloc): Make it static.
6879 * rtl.h: Remove the prototype for local_alloc.
6881 * loop.c (loop_optimize): Make it static.
6882 * cfgloop.h: Remove the prototype for loop_optimize.
6885 2006-01-16 DJ Delorie <dj@redhat.com>
6887 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
6890 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6892 * pa.md: Disparage copies between general and floating-point registers
6893 in 32-bit move patterns.
6895 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
6898 * Makefile.in (check-%): Depend on site.exp instead of
6899 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
6902 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
6904 * global.c (global_alloc): Make it static.
6905 * rtl.h: Remove the prototype for global_alloc.
6907 2006-01-16 Richard Guenther <rguenther@suse.de>
6909 * tree-ssa-alias.c (struct used_part): Add write_only field.
6910 (get_or_create_used_part_for): Initialize it to true.
6911 (create_overlap_variables_for): Don't create structure variables
6912 for structures that only are written to.
6913 (find_used_portions): Handle MODIFY_EXPR to track whether a
6914 structure is only written to.
6916 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
6918 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
6920 * basic-block.h: Remove the prototype for
6921 partition_hot_cold_basic_blocks.
6923 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
6925 * cppspec.c (lang_specific_spec_functions): Remove.
6926 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
6927 * gcc.h (lang_specific_spec_functions): Remove.
6928 * gccspec.c (lang_specific_spec_functions): Remove.
6930 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
6932 * combine.c (record_value_for_reg): Invalidate registers
6934 (record_dead_and_set_regs_1): Likewise, by passing them to
6935 record_value_for_reg.
6936 (record_dead_and_set_regs): Invalidate stores made by a
6937 call. We do not combine across a call, but we still
6938 relied on equivalences.
6940 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
6942 * tree-vrp.c (extract_range_from_binary_expr): Cope with
6943 vrp_int_const_binop returning non-constant nodes.
6945 2006-01-16 Paul Brook <paul@codesourcery.com>
6947 * config/m68k/m68k.c (output_move_const_into_data_reg):
6948 Output correct mnemonic for mvz and mvs.
6950 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
6952 * rtl-factoring.c: Add sequence abstraction algorithm.
6953 * cfgcleanup.c (outgoing_edges_match): Extra checks.
6954 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
6956 (block_has_preserve_label): New function.
6957 * common.opt: Register new pass.
6958 * Makefile.in: Ditto.
6960 * timevar.def: Ditto.
6961 * tree-pass.h: Ditto.
6962 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
6963 * rtl.h (make_jump_insn_raw): Add forward decl.
6964 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
6966 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
6967 Roger Sayle <roger@eyesopen.com>
6969 * fold-const.c (fold_minmax): New static function.
6970 (fold_binary) <MIN_EXPR>: Call it.
6971 <MAX_EXPR>: Likewise.
6972 * stor-layout.c (place_field): Use DECL_SIZE consistently
6973 in the computation of the new record size.
6975 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
6977 * cse.c (cse_condition_code_reg): Make it static.
6978 * rtl.h: Remove the prototype for cse_condition_code_reg.
6980 * combine.c (combine_instructions): Make it static.
6981 * rtl.h: Remove the prototype for combine_instructions.
6983 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6986 * tree.c (get_file_function_name_long): Concatenate the first global
6987 object name with a string derived from the input filename of the object
6990 2006-01-16 Ben Elliston <bje@au.ibm.com>
6992 * config/i386/winnt-stubs.c: Update FSF address.
6993 * config/xtensa/ieee754-df.S: Ditto.
6994 * config/xtensa/ieee754-sf.S: Ditto.
6996 2006-01-14 Ian Lance Taylor <ian@airs.com>
6998 * ifcvt.c (noce_init_if_info): New static function, broken out of
6999 noce_process_if_block.
7000 (noce_process_if_block): Call noce_init_if_info.
7001 (check_cond_move_block): New static function.
7002 (cond_move_process_if_block): New static function.
7003 (process_if_block): Call cond_move_process_if_block.
7005 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
7007 * cselib.c (hash_table): Rename to cselib_hash_table.
7008 (cselib_clear_table, discard_useless_values,
7009 remove_useless_values, cselib_lookup_mem, cselib_lookup,
7010 cselib_init, cselib_finish): Adjust uses of hash_table.
7012 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
7014 PR tree-optimization/25485
7015 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
7016 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
7017 is known to be false and true, respectively.
7019 2006-01-14 Richard Guenther <rguenther@suse.de>
7021 PR tree-optimization/22548
7022 PR tree-optimization/22555
7023 PR tree-optimization/22501
7024 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
7025 * params.def (salias-max-array-elements): New parameter.
7026 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
7027 * doc/invoke.texi (salias-max-array-elements): Document.
7028 * tree-flow-inline.h (var_can_have_subvars): We also handle
7030 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
7032 * tree-ssa-structalias.c (params.h): Include.
7033 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
7034 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
7035 (get_constraint_for): For ADDR_EXPR operating on something
7036 containing an ARRAY_REF, add all subvars to the solution.
7037 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
7038 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
7039 for creating MUST_DEFs.
7040 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
7042 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
7044 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
7046 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
7047 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7048 number_of_iterations_le): New functions.
7049 (number_of_iterations_special): Removed.
7050 (number_of_iterations_exit): Do not use number_of_iterations_special.
7051 * tree.c (unsigned_type_for): Always return integer type.
7053 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
7054 Richard Guenther <rguenther@suse.de>
7056 PR rtl-optimization/24257
7057 * gcse.c (find_moveable_store): Only consider a store movable
7058 when the SET_SRC of the insn can be assigned to a register.
7060 2006-01-14 Ian Lance Taylor <ian@airs.com>
7062 * tree.c (tree_not_class_check_failed): New function.
7063 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
7064 (tree_not_class_check_failed): Declare.
7066 2006-01-13 Ian Lance Taylor <ian@airs.com>
7068 * reload1.c (do_output_reload): Add assertion rejecting a
7071 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
7073 * combine.c (struct reg_stat): Add new fields truncation_label and
7075 (record_value_for_reg): Reset truncated_to_mode.
7076 (record_truncated_value): New function.
7077 (check_promoted_subreg): Call it. Rename to check_conversions.
7078 (combine_instructions): Rename check_promoted_subreg to
7080 (reg_truncated_to_mode): New function.
7081 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
7082 (gen_lowpart_or_truncate): New function.
7083 (force_to_mode): Use it instead of gen_lowpart.
7085 2006-01-13 Diego Novillo <dnovillo@redhat.com>
7087 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
7088 VAR is a tag, not its type tag.
7090 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
7092 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
7093 alternatives to match style of other entries.
7094 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
7096 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
7098 PR tree-optimization/25771
7099 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
7102 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
7105 * tree-inline.c (declare_return_variable): If the return variable
7106 was marked as a non gimple complex, set the return slot variable
7107 to be a non gimple comple variable.
7109 2006-01-13 Richard Guenther <rguenther@suse.de>
7111 * builtins.c (expand_builtin_sincos): New function.
7112 (expand_builtin_mathfn_3): Remove dead code, sin and cos
7114 (expand_builtin): Expand sincos using expand_builtin_sincos.
7116 2006-01-12 DJ Delorie <dj@redhat.com>
7118 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
7119 shift counts, separate SI shifts for m32c vs m16c, pass shift type
7120 so that constant shifts can be split.
7121 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
7122 (m32c_valid_pointer_mode): Make static.
7123 (shift_gen_func_for): New.
7124 (m32c_prepare_shift): Use it. Split large const shifts into
7126 * config/m32c/predicates.md (shiftcount_operand): Allow more
7128 (longshiftcount_operand): New.
7129 * doc/md.texi (Machine Constraints): Document In6.
7131 2006-01-13 Ben Elliston <bje@au.ibm.com>
7133 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
7134 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
7137 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
7139 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
7140 to try to avoid clobbering pieces of structures when we know
7141 something about the whole structure.
7142 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
7144 2006-01-13 Ben Elliston <bje@au.ibm.com>
7146 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
7147 return in memory, as this is no limitation is no longer present.
7149 2006-01-12 DJ Delorie <dj@redhat.com>
7151 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
7152 mova with fb, and for fb+0 -> An.
7154 * config/m32c/mov.md (peephole2): Fix enabling logic.
7156 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
7157 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
7158 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
7159 FINI_ARRAY_SECTION_ASM_OP): Define.
7161 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
7163 (m32c_legitimize_reload_address): New logic to reload FB to An.
7164 (m32c_output_reg_push): Add newline.
7165 (m32c_output_reg_pop): Likewise.
7167 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
7169 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
7171 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
7173 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
7175 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7177 * config/sh/predicates.md (sh_rep_vec): Add parallel to
7180 2006-01-11 Ben Elliston <bje@au.ibm.com>
7182 * rtlanal.c (find_reg_note): Assert insn is not null.
7184 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
7186 * df-scan.c (df_hard_reg_init): Move declaration of i outside
7189 2006-01-11 Jeff Law <law@redhat.com>
7191 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
7193 (mark_threaded_blocks, register_jump_thread): New functions.
7194 (thread_through_all_blocks): Remove unwanted argument. No
7195 longer rely on e->aux to communicate thread target info.
7196 Call mark_threaded_blocks. Release the threaded_blocks
7197 bitmap and threaded_edges vector when complete.
7198 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
7199 (threaded_blocks): Remove.
7200 (tree_ssa_dominator_optimize): Remove initialization and
7201 finalization of threaded_blocks. Simplify call to
7202 thread_through_all_blocks.
7203 (thread_across_edge): Call register_jump_thread rather than
7204 storing thread information into e->aux.
7205 (free_all_edge_infos): Simplify now that e->aux is no longer
7206 used to communicate with thread_through_all_blocks.
7207 * tree-flow.h (thread_through_all_blocks): Update prototype.
7208 (register_jump_thread): Prototype.
7210 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7212 * df-core.c (df_compact_blocks, df_bb_replace): Use
7213 SET_BASIC_BLOCK instead of BASIC_BLOCK.
7215 2006-01-11 Richard Guenther <rguenther@suse.de>
7217 PR tree-optimization/25734
7218 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
7219 stop propagation after successful propagation to the LHS.
7221 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7223 * basic-block.h (control_flow_graph): Change the type of
7224 x_basic_block_info to VEC(basic_block,gc) *.
7225 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
7227 (SET_BASIC_BLOCK): New.
7228 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
7229 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
7230 * cfgbuild.c (find_basic_blocks): Likewise.
7231 * cfglayout.c (fixup_reorder_chain): Likewise.
7232 * cfgrtl.c (create_basic_block_structure,
7233 rtl_create_basic_block): Likewise.
7234 * ifcvt.c (find_if_case_1): Likewise.
7235 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
7238 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
7240 * Makefile.in: Removed rotted odf.c entry.
7242 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
7245 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
7246 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
7247 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
7248 output pattern modifier, not %e.
7249 * config/cris/cris.c (cris_op_str): Update comment about pattern
7251 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
7252 before falling through into...
7253 <case 'E'>: Redefined from old 'e' case.
7255 2006-01-11 Jan Hubicka <jh@suse.cz>
7258 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
7260 2006-01-11 Jan Hubicka <jh@suse.cz>
7262 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
7263 * i386.c (x86_decompose_lea): Kill.
7264 (ix86_rtx_costs): Kill.
7266 2006-01-11 Jan Hubicka <jh@suse.cz>
7268 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
7269 * cgraph.h (cgraph_node): Add inline_decl.
7270 (cgraph_insert_node_to_hashtable): Declare.
7271 (save_inline_function_body): Declare.
7272 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
7274 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
7275 (cgraph_function_versioning): Update call of tree_function_versioning.
7276 (save_inline_function_body): New function.
7277 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
7278 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
7279 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
7280 (cgraph_default_inline_p): Likewise.
7281 (cgraph_decide_inlining_incrementally): Likewise.
7282 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
7283 (copy_bb): Kill saving; do updating of clones.
7284 (copy_cfg_body): Kill saving.
7285 (initialize_inlined-parameters): Likewise.
7286 (expand_call_inline): Likewise.
7288 (tree_function_versioning): New parameter "update_clones".
7289 (inlining_p): Kill saving.
7290 * tree-inline.h (tree_function_versioning): Update prototype.
7291 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
7294 2006-01-11 Ian Lance Taylor <ian@airs.com>
7296 * combine.c (struct undo): Remove is_int. Enumify types of undos.
7297 Allow undoing set of machine mode.
7298 (do_SUBST): Use enums instead of is_int.
7299 (do_SUBST_MODE): New function.
7300 (SUBST_MODE): New macro.
7301 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
7302 reg and trying to replace reg_regno_rtx with a new register.
7303 (undo_all): Use new enums, handle undoing a PUT_MODE change.
7304 (simplify_set): Use SUBST_MODE.
7305 (distribute_notes): Remove code that tried to update reg notes
7306 for regno_reg_rtx changes.
7308 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
7310 PR tree-optimization/23109
7311 PR tree-optimization/23948
7312 PR tree-optimization/24123
7314 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
7315 * tree-cfg.c (single_noncomplex_succ): New.
7316 * tree-flow.h (single_noncomplex_succ): Declare it.
7317 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
7318 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
7319 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
7320 insert_bb, register_division_in, insert_reciprocals,
7321 replace_reciprocal, free_bb): New.
7322 (execute_cse_reciprocals_1): Rewritten.
7323 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
7324 Do not commit any edge insertion. Always compute dominators and
7325 create the allocation pool.
7326 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
7327 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
7328 * targhooks.c (default_min_divistions_for_recip_mul): New.
7329 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
7330 * passes.c (init_optimization_passes): Run recip after tree loop
7332 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
7334 2006-01-11 Danny Berlin <dberlin@dberlin.org>
7335 Kenneth Zadeck <zadeck@naturalbridge.com>
7337 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
7338 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
7339 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
7340 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
7341 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
7342 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
7343 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
7344 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
7345 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
7346 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
7347 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
7348 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
7349 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
7350 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
7351 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
7352 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
7353 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
7354 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
7355 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
7356 DF_SCAN_POST_ALLOC): New macros.
7357 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
7358 df_free_bb_function, df_local_compute_function, df_init_function,
7359 df_dataflow_function, df_confluence_function_0,
7360 df_confluence_function_n, df_transfer_function,
7361 df_finalizer_function, df_free_function, df_dump_problem_function,
7362 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
7363 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
7364 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
7365 df_urec_bb_info, ) New types.
7366 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
7368 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
7369 df_analyze_simple_change_some_blocks,
7370 df_analyze_simple_change_one_block, df_compact_blocks,
7371 df_bb_replace, df_bb_regno_last_use_find,
7372 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
7373 df_insn_regno_def_p, df_find_def, df_find_use,
7374 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
7375 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
7376 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
7377 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
7378 debug_df_chain, df_get_dependent_problem, df_chain_create,
7379 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
7380 df_grow_bb_info, df_chain_dump, df_print_bb_index,
7381 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
7382 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
7383 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
7384 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
7385 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
7386 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
7387 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
7388 df_ref_remove, df_insn_refs_delete, df_refs_delete,
7389 df_reorganize_refs, df_set_state, df_hard_reg_init,
7390 df_read_modify_subreg_p) New public functions.
7391 * df-core.c: The core dataflow solver and glue routines for rtl
7393 (df_init, df_add_problem, df_set_blocks, df_finish,
7394 df_hybrid_search_forward, df_hybrid_search_backward,
7395 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
7396 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
7397 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
7398 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
7399 df_reg_defined, df_find_use, df_reg_used, df_dump,
7400 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
7401 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
7402 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
7403 debug_df_useno, reset_df_after_reload): New functions.
7404 * df-scan.c: The scanning fuctions, once in df.c, completely
7405 rewritten so that they now fully model the functionality of
7406 register usage at the backend.
7407 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
7408 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
7409 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
7410 df_grow_insn_info, df_rescan_blocks, df_ref_create,
7411 df_get_artificial_defs, df_get_artificial_uses,
7412 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
7413 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
7414 df_refs_delete, df_reorganize_refs, df_set_state,
7415 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
7416 df_def_record_1, df_defs_record, df_uses_record,
7417 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
7418 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
7419 df_record_exit_block_uses, df_hard_reg_init): New functions.
7421 * df-problems.c: Seven concrete dataflow problems that use the
7422 scanning in df-scan.c and are solved by the engine in df-core.c.
7423 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
7424 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
7425 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
7426 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
7427 df_ru_free_bb_info, df_ru_alloc,
7428 df_ru_bb_local_compute_process_def,
7429 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
7430 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
7431 df_ru_transfer_function, df_ru_free, df_ru_dump,
7432 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
7433 df_rd_free_bb_info, df_rd_alloc,
7434 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
7435 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
7436 df_rd_transfer_function, df_rd_free, df_rd_dump,
7437 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
7438 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
7439 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
7440 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
7441 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
7442 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
7443 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
7444 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
7445 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
7446 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
7447 df_urec_mark_reg_change, df_urec_check_earlyclobber,
7448 df_urec_mark_reg_use_for_earlyclobber,
7449 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
7450 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
7451 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
7452 df_urec_dump, df_urec_add_problem, df_chain_alloc,
7453 df_chain_create_bb_process_use, df_chain_create_bb,
7454 df_chain_finalize, df_chain_free, df_chains_dump,
7455 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
7456 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
7457 df_reg_lifetime): New functions.
7458 * df.c: Deleted file.
7459 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
7460 consistent with new df api.
7461 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
7462 rest_of_handle_sms): Ditto.
7463 * web.c (unionfind_union, union_defs, entry_register, web_main):
7465 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
7466 invariant_expr_equal_p, find_defs, check_dependencies,
7467 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
7468 free_inv_motion_data, move_loop_invariants): Ditto.
7469 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
7470 Update dependencies.
7471 (odf.c): Added defective entry that was deleted later in day.
7472 * sched-deps.c (sched_analyze_1): Ditto.
7474 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
7476 * tree-ssa-operands.c (get_expr_operands): Record addressable
7477 variables directly. Do not call add_stmt_operands for CONST_DECLs
7479 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
7480 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
7482 2006-01-11 Ben Elliston <bje@au.ibm.com>
7484 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
7485 function returns true in the positive case.
7487 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7490 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
7491 for SI, DI, SF and DF modes. Add alternatives to copy between
7492 general and floating point registers to the 32-bit patterns.
7493 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
7494 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
7495 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
7496 generating 64-bit code.
7497 * config/pa/pa.c (output_move_double): Handle copies between general
7498 and floating registers.
7500 2006-01-10 Stuart Hastings <stuart@apple.com>
7502 * config/i386/i386.md (set_got): Update.
7503 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
7504 (builtin_setjmp_receiver): Mach-O support.
7505 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
7506 (GOT_SYMBOL_NAME): Define.
7507 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
7508 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
7509 * config/i386/i386.c (override_options): Revise for Darwin.
7510 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
7511 support. (darwin_x86_file_end): New. (output_set_got): Add label
7512 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
7513 * config/i386/i386-protos.h (output_set_got): Likewise.
7514 * config/darwin.c (machopic_legitimize_pic_address): Update
7517 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
7519 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
7520 when MODE isn't BLKmode.
7522 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7524 PR rtl-optimization/25367
7525 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
7527 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
7530 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
7531 for a negative bound.
7533 2006-01-10 Richard Guenther <rguenther@suse.de>
7535 * tree-ssa-structalias.c (get_constraint_for_component_ref):
7536 Never override with anything constraint.
7538 2006-01-10 Jan Beulich <jbeulich@novell.com>
7540 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
7541 256 bits when optimize_size.
7543 2006-01-10 Jan Beulich <jbeulich@novell.com>
7545 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
7547 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
7548 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
7551 2006-01-10 Ben Elliston <bje@au.ibm.com>
7553 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
7555 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
7556 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
7557 (USE_FP_FOR_ARG): Reject decimal float modes.
7558 (function_arg_advance): Likewise.
7559 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
7560 (rs6000_handle_altivec_attribute): Do not permit decimal floating
7561 point types in AltiVec vectors.
7562 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
7563 (rs6000_libcall_value): Likewise.
7565 2006-01-09 Bob Wilson <bob.wilson@acm.org>
7567 * config/xtensa/ieee754-df.S: New file.
7568 * config/xtensa/ieee754-sf.S: New file.
7569 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
7570 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
7571 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
7573 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
7575 * config/sh/predicates.md (binary_float_operator,
7576 binary_logical_operator, commutative_float_operator,
7577 equality_comparison_operator, greater_comparison_operator,
7578 less_comparison_operator, logical_operator,
7579 noncommutative_float_operator, shift_operator,
7580 symbol_ref_operand, unary_float_operator): Remove redundant
7583 2006-01-09 Jeff Law <law@redhat.com>
7585 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
7586 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
7587 now unused arguments. Callers updated.
7588 (eliminate_redundant_computations): Remove now unused arguments,
7590 (local_fold): Remove, no longer used.
7591 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
7593 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
7594 (simplify_cond): New function.
7595 (forward_propagate_into_cond): Call simplify_cond.
7597 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
7599 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
7600 (*vec_extractv2di_1_sse): New.
7602 2006-01-09 Ben Elliston <bje@au.ibm.com>
7604 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
7606 2006-01-08 Richard Guenther <rguenther@suse.de>
7608 * tree-ssa-structalias.c (get_constraint_for): Remove
7610 (get_constraint_for_component_ref): Likewise.
7611 (do_deref): Likewise.
7612 (get_constraint_for): Likewise.
7613 (do_structure_copy): Likewise.
7614 (handle_ptr_arith): Likewise.
7615 (find_func_aliases): Likewise. Remove unused need_anyoffset
7618 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
7619 Kaz Kojima <kkojima@gcc.gnu.org>
7621 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
7622 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
7623 (EXTRA_CONSTRAINT_C16): Remove.
7624 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
7625 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
7626 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
7627 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
7628 constants of SHmedia. Handle nested constant expressions of
7630 (andcosts): Fix the costs for SHmedia constants.
7631 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
7632 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
7633 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
7634 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
7635 (movv4hi_i, movv2si_i): Likewise.
7636 (movsi_const): Adjust the second operand of ior so to match with
7638 (movdi_const, movdi_const_32bit): Likewise.
7639 (movdi_const_16bit+1): Don't sign-extend LOW.
7640 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
7642 (*double_shori): Fix the split condition. Use GEN_INT instead
7643 of get_int_mode calls. Mask lower 16-bit of the argument of
7645 (sym2GOTPLT): Remove.
7646 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
7648 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
7649 instead of EXTRA_CONSTRAINT_C16.
7651 2006-01-07 Ian Lance Taylor <ian@airs.com>
7652 David Edelsohn <edelsohn@gnu.org>
7654 PR rtl-optimization/25662
7655 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
7656 for constant operands instead of simplify_gen_binary.
7657 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
7658 after trying simplify_binary_operation
7660 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
7662 * tree.c (iterative_hash_expr): Hash decls based on UID.
7664 2006-01-06 Eric Christopher <echristo@apple.com>
7666 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
7667 (TARGET_UNWIND_EMIT): Fix spelling.
7668 * target.h (gcc_target): Add except_table_label.
7669 * except.c (output_function_exception_table): Use.
7670 * varasm.c (default_emit_except_table_label): New.
7671 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
7673 (asm_out): Add here.
7674 * output.h (default_emit_except_table_label): Prototype.
7675 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
7676 * config/darwin.c (darwin_emit_except_table_label): Define.
7677 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
7679 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
7681 PR tree-optimization/18527
7682 * tree-ssa-loop-niter.c (number_of_iterations_cond,
7683 number_of_iterations_special, number_of_iterations_exit):
7684 Move base and step of an iv to a single structure. Add
7685 no_overflow flag, and use it in # of iterations analysis.
7686 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
7687 folded_casts argument.
7688 (simple_iv): Pass base and step in a structure. Set no_overflow
7690 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
7691 Evaluate expensiveness of computing # of iterations instead of
7692 the final expression.
7693 * tree-scalar-evolution.h (affine_iv): New structure.
7694 (simple_iv): Declaration changed.
7695 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
7696 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
7697 find_givs_in_stmt): Changed due to simple_iv change.
7699 2006-01-06 Jeff Law <law@redhat.com>
7702 * tree-cfg.c (bsi_replace): Rename final argument from
7703 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
7704 change (stmt -> orig_stmt).
7705 * tree-eh.c (verify_eh_throw_stmt_node): New function.
7706 (bsi_remove): Add new argument. Remove EH information
7708 (verify_eh_throw_table_statements): New function.
7709 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
7711 * tree-optimize.c (execute_free_cfg_annotations): Verify
7712 the EH throw statement table after removing annotations.
7713 * except.h (verify_eh_throw_table_statements): Prototype.
7714 * tree-flow.h (bsi_remove): Update prototype.
7715 * tree-vrp.c (remove_range_assertions): Add new argument to
7717 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
7718 * tree-complex.c (expand_complex_div_wide): Likewise.
7719 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
7720 * tree-tailcall.c (eliminate_tailcall): Likewise.
7721 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
7722 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
7723 * tree-nrv.c (tree_nrv): Likewise.
7724 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
7725 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
7726 (combine_blocks): Likewise.
7727 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
7728 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
7729 (cleanup_control_flow): Likewise.
7730 (remove_forwarder_block): Likewise.
7731 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
7732 * tree-sra.c (sra_replace): Likewise.
7733 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
7734 (forward_propagate_single_use_vars): Likewise.
7735 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
7736 * tree-inline.c (expand_call_inline): Likewise.
7737 * tree-vect-transform.c (vect_transform_loop): Likewise.
7738 * tree-outof-ssa.c (rewrite_trees): Likewise.
7739 * tree-cfg.c (make_goto_expr_edges): Likewise.
7740 (cleanup_dead_labels): Likewise.
7741 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
7742 (bsi_move_before, bsi_move_after): Likewise.
7743 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
7744 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
7746 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
7749 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
7751 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
7752 on non gimple variables. Also add checks at the top for decls and
7754 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
7756 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
7757 and IMAGPART_EXPR for creating MUST_DEFs.
7758 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
7759 and NAME_MEMORY_TAG separately from the DECLs.
7761 2006-01-06 Richard Guenther <rguenther@suse.de>
7763 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
7764 annotation, if necessary.
7765 * tree-ssa-pre.c (create_expression_by_pieces): Remove
7766 redundant calls to update_stmt.
7767 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
7770 2006-01-05 Richard Henderson <rth@redhat.com>
7772 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
7774 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
7776 * c-typeck.c: Update copyright date.
7778 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
7780 * c-typeck.c (build_c_cast): Always warn when casting
7781 from a pointer to an integer of different size, even if
7782 the node was constant.
7784 2006-01-05 Richard Guenther <rguenther@suse.de>
7786 PR tree-optimization/22555
7787 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
7788 if one structure field is an array.
7789 * tree-ssa-operands.c (get_expr_operands): Continue scanning
7790 operands even if we found a subvar, but ignore VOPs in this
7792 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
7794 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
7796 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
7799 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
7801 2006-01-05 Richard Guenther <rguenther@suse.de>
7802 Diego Novillo <dnovillo@redhat.com>
7804 * tree-pass.h (TODO_remove_unused_locals): Define.
7805 * gimple-low.c (expand_var_p, remove_useless_vars,
7806 pass_remove_useless_vars): Remove. Update all users.
7807 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
7808 (remove_unused_locals): New function.
7809 * tree-flow.h (remove_unused_locals): Declare.
7810 * passes.c (execute_todo): Call remove_unused_locals if
7811 TODO_remove_unused_locals is set.
7812 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
7813 * tree-ssa-dce.c (pass_dce): Likewise.
7814 * tree-outof-ssa.c (pass_del_ssa): Likewise.
7816 2006-01-05 Richard Guenther <rguenther@suse.de>
7818 * tree-flow.h (struct fieldoff): Decompose field to
7819 type, size and decl.
7820 * tree-ssa-alias.c (create_sft): Take type as parameter.
7821 (create_overlap_variables_for): Store type, size and decl
7822 in the fieldoff structure.
7823 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
7825 (push_fields_onto_fieldstack): Likewise.
7826 (create_variable_info_for): Likewise. Use offset for the
7827 SFT name if the decl is not available.
7829 2006-01-04 Paul Brook <paul@codesourcery.com>
7831 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
7833 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
7835 * lambda-code.c (can_put_in_inner_loop): Relax
7837 (can_put_after_inner_loop): New function.
7838 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
7839 (perfect_nestify): Change to make copies and modify uses.
7841 2006-01-04 Richard Henderson <rth@redhat.com>
7843 Merge from gomp branch:
7844 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
7845 via integer constant.
7846 (pragma_lex): Remove.
7847 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
7848 rather than parsing it.
7849 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
7850 handle_pragma_extern_prefix): Add %< %> quotes.
7851 (registered_pragmas): New.
7852 (c_register_pragma_1): New.
7853 (c_register_pragma): Use it.
7854 (c_register_pragma_with_expansion): Likewise.
7855 (c_invoke_pragma_handler): New.
7856 (init_pragma): Use cpp_register_deferred_pragma directly for
7858 * c-pragma.h (enum pragma_kind): New.
7859 (pragma_handler): New.
7860 (c_invoke_pragma_handler): Declare.
7861 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
7863 * c-common.h (c_common_pch_pragma): Update decl.
7864 * Makefile.in (c-parser.o): Update dependencies.
7865 (GTFILES): Add c-pragma.h.
7866 * c-parser.c (struct c_token): Add pragma_kind.
7867 (struct c_parser): Add in_pragma.
7868 (c_lex_one_token): Always initialize keyword and pragma_kind.
7869 Extract data for CPP_PRAGMA.
7870 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
7871 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
7872 Don't allow CPP_PRAGMA_EOL if in_pragma.
7873 (c_parser_consume_pragma): New.
7874 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
7875 (c_parser_skip_to_end_of_parameter): Likewise.
7876 (c_parser_skip_to_end_of_block_or_statement): Likewise.
7877 (c_parser_skip_to_pragma_eol): New.
7878 (c_parser_external_declaration): Handle CPP_PRAGMA.
7879 (c_parser_compound_statement_nostart): Likewise.
7880 (c_parser_statement_after_labels): Likewise.
7881 (c_parser_pragma): New.
7882 (pragma_lex): Likewise.
7883 (c_parser_pragma_pch_preprocess): New.
7884 (c_parser_new): Merge into ...
7885 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
7887 2006-01-04 Jeff Law <law@redhat.com>
7890 * tree-cfg.c (bsi_replace): Remove the original statement
7891 from the EH throw statement table.
7893 2006-01-04 Jakub Jelinek <jakub@redhat.com>
7895 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
7896 make the prototype extern "C" and add throw ().
7899 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
7900 and pos non-negative and pos + len <= 32.
7901 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
7902 drop pos + len < HOST_BITS_PER_WIDE_INT test.
7903 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
7906 * c-common.c (handle_vector_size_attribute): Reject zero vector size
7907 as well as sizes not multiple of component size.
7910 * function.c (instantiate_expr): New function.
7911 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
7912 walk its DECL_VALUE_EXPR with instantiate_expr.
7914 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
7915 DW_OP_deref{,_size} if address isn't going to be added.
7917 2006-01-04 Ben Elliston <bje@au.ibm.com>
7919 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
7920 * config/fp-bit.c: Likewise.
7922 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
7924 * dominance.c: Add comment about why we use DFS numbering
7927 2006-01-03 Jakub Jelinek <jakub@redhat.com>
7928 Richard Henderson <rth@redhat.com>
7930 Merge from gomp-branch:
7931 * varasm.c (assemble_variable): Handle thread-local COMMON data.
7932 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
7934 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
7936 PR rtl-optimization/25578
7937 * combine.c (combine_simplify_rtx, force_to_mode): Don't
7938 pass a parameter to simplify_shift_const if changing ASHIFTRT
7941 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
7943 * builtins.c (get_builtin_sync_mem): New function.
7944 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
7945 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
7946 Call get_builtin_sync_mem to generate mem rtx.
7948 2006-01-03 Richard Guenther <rguenther@suse.de>
7951 * stmt.c (add_case_node): Make sure to clear overflow flags
7954 2006-01-03 Jakub Jelinek <jakub@redhat.com>
7956 Merge from gomp-branch.
7957 * config/sparc/sync.md: New file.
7958 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
7959 UNSPECV_LDSTUB): New constants.
7960 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
7961 * config/sparc/predicates.md (memory_reg_operand): New predicate.
7962 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
7965 2006-01-03 Roger Sayle <roger@eyesopen.com>
7967 * combine.c (reg_subword_p): New predicate to test whether the
7968 destination of a set refers to a subword/piece of a register.
7969 (try_combine): Generalize the code to merge the setting of a
7970 pseudo to a constant followed by a set of a subword of that
7971 register to a constant.
7973 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
7975 * basic-block.h (control_flow_graph): Change the type of
7976 x_label_to_block_map to VEC(basic_block,gc) *.
7977 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
7978 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
7980 * tree-ssa-propagate.c (cfg_blocks): Change the type to
7981 VEC(basic_block,heap) *.
7982 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
7983 ssa_prop_fini): Adjust the uses of cfg_blocks.
7985 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
7987 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
7989 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
7990 hashing trees instead of a pointer hash.
7991 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
7992 compare for MEM_EXPR.
7994 PR rtl-optimization/25130
7995 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
7996 when comparing MEMs for GCSE
7998 2006-01-03 Ben Elliston <bje@au.ibm.com>
8000 * targhooks.h (default_decimal_float_supported_p): Declare.
8001 * targhooks.c (default_decimal_float_supported_p): Define.
8002 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
8003 `default_decimal_float_supported_p'.
8004 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
8006 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
8008 * combine.c (apply_distributive_law <SUBREG>): Check
8009 TRULY_NOOP_TRUNCATION.
8011 2006-01-02 Geoffrey Keating <geoffk@apple.com>
8013 * dwarf2out.c (have_switched_text_section): Delete.
8014 (have_multiple_function_sections): New.
8015 (have_location_lists): Make 'bool'.
8016 (add_AT_loc_list): Use 'true' not '1'.
8017 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
8018 (output_loc_list): Use have_multiple_function_sections.
8019 (output_ranges): Likewise.
8020 (dwarf2out_begin_function): Set have_multiple_function_sections if
8022 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
8023 Check function_section rather than DECL_SECTION_NAME.
8024 (dwarf2out_finish): Use have_multiple_function_sections.
8025 Don't clear have_location_lists.
8027 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
8028 Jan Hubicka <jh@suse.cz>
8030 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
8031 case of conditional jump jumping to the next instruction.
8032 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
8033 cases of conditional jump jumping to the next instruction.
8035 2006-01-02 Jan Hubicka <jh@suse.cz>
8037 * i386.c (*_cost): Add COSTS_N_INSNS.
8038 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
8040 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
8043 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
8045 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8047 * config/arm/arm.c (all_fpus): Fix comment typo.
8048 * config/darwin.c: Likewise.
8049 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
8050 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
8051 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
8053 2006-01-01 David Edelsohn <edelsohn@gnu.org>
8055 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
8056 (rs6000_split_compare_and_swapqhi): New.
8057 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
8058 (sync_compare_and_swapqhi_internal): New.
8059 * config/rs6000/rs6000-protos.h: Declare.