1 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
4 * tree-ssa-pre.c (create_component_ref_by_pieces):
7 2006-03-21 Jakub Jelinek <jakub@redhat.com>
10 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
11 return it immediately.
13 2006-03-21 Michael Matz <matz@suse.de>
15 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
17 (remove_arc, add_arc): Update num_out_arcs member.
18 (set_out_arc_insns_equiv_num): Returns nothing instead of number
20 (cache_presence): New function.
21 (compare_states_for_equiv): New function.
22 (state_is_differed): Don't take number of outargs, adjust callers.
23 Use new invariant for speeding up.
24 (init_equiv_class): Create initial classes based on sorted
26 (partition_equiv_class): Don't track out_arcs_num.
27 (evaluate_equiv_classes): Call cache_presence on all states and
30 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
32 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
33 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
34 (bfin_valid_reg_p): Test for pseudos explicitly and use only
35 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
37 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
38 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
39 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
40 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
41 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
43 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
44 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
45 (REGNO_REG_CLASS): ARGP is in PREGS.
46 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
48 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
49 to deal with those addresses.
50 * addresses.h: New file.
51 * caller-save.c: Include "addresses.h".
52 (init_caller_save): Use new base_reg_class function.
53 * rtl-factoring.c: Include "addresses.h".
54 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
55 * recog.c: Include "addresses.h".
56 (preprocess_constraints): Use new base_reg_class function.
57 * regrename.c: Include "addresses.h".
58 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
59 functions. Keep track of a new var INDEX_CODE to compute valid
61 (replace_oldest_value_addr): Likewise.
62 (replace_oldest_value_mem): Use base_reg_class.
63 * reload.c: Include "addresses.h".
64 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
65 (find_reloads): Use new base_reg_class function.
66 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
67 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
68 all callers and prototype changed.
69 * reload1.c: Include "addresses.h".
70 (maybe_fix_stack_asms): Use base_reg_class.
71 * regclass.c: Include "addresses.h".
72 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
73 (init_reg_autoinc): Use new base_reg_class function.
74 (record_reg_classes): Likewise.
75 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
76 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
77 Use new args to compute necessary class.
79 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
80 regrename.o, rtl-factoring.o): Update dependencies.
81 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
82 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
83 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
84 REG_OK_FOR_INDEX_P): Delete documentation.
86 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
88 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
89 from V7 to V9 for Solaris 7 and above.
91 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
93 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
94 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
95 argument pointers may not alias any other storage.
96 * common.opt: Define option -fargument-noalias-anything.
97 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
98 alias semantics is specified by flag_argument_noalias > 2.
100 2006-03-20 Jeff Law <law@redhat.com>
102 * tree-pass.h (pass_phi_only_copy_prop): Delete.
103 (pass_phi_only_cprop): Declare.
104 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
106 * tree-ssa-dom.c (degenerate_phi_result): New function.
107 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
108 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
109 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
110 (eliminate_degenerate_phis): Likewise.
111 (pass_phi_only_cprop): New pass descriptor.
112 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
113 support code. Callers updated.
114 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
115 (store_copy_prop): Likewise.
116 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
118 2006-03-20 Jason Merrill <jason@redhat.com>
121 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
122 (push_visibility, pop_visibility): Likewise.
123 * c-pragma.h: Declare them.
125 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
127 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
129 * config/sh/sh.c (find_regmode_weight): Change the type of the first
130 parameter and use get_ebb_head_tail.
131 (sh_md_init_global): Adjust uses of find_regmode_weight.
133 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
135 * function.h (struct function) <x_tail_recursion_reentry>:
136 Rename to x_stack_check_probe_note.
137 (tail_recursion_reentry): Rename to stack_check_probe_note.
138 * function.c: Replace tail_recursion_reentry with
139 stack_check_probe_note everywhere.
140 (expand_function_start): Only emit a note for
141 stack_check_probe_note with -fstack-protect.
142 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
144 * emit-rtl.c (remove_unnecessary_notes): Remove.
145 (pass_remove_unnecessary_notes): Remove.
146 * rtl.h (remove_unnecessary_notes): Remove prototype.
147 * final.c (final_start_function): Don't call remove_unnecessary_notes.
148 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
149 * passes.c (pass_remove_unnecessary_notes): Don't run it.
151 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
154 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
155 (valid_in_set): Handle ARRAY_REF.
156 Change "if min_variant or VH" to asserts.
157 (create_component_ref_by_pieces): Handle ARRAY_REF.
158 (create_expression_by_pieces): Likewise.
159 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
161 2006-03-20 David Edelsohn <edelsohn@gnu.org>
163 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
164 is operand of switch, not str[0].
166 2006-03-20 Alan Modra <amodra@bigpond.net.au>
168 * config/rs6000/rs6000.c (rs6000_handle_option): Use
169 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
171 2006-03-19 David Edelsohn <edelsohn@gnu.org>
173 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
174 end of insn_extra_address_constraint declaration.
176 2006-03-19 David Edelsohn <edelsohn@gnu.org>
178 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
179 (no-sum-in-toc): Same.
180 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
182 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
183 NO_FP_IN_TOC for -fPIC instead of mask.
185 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
186 (BOOT_LDFLAGS): Delete.
188 * config/rs6000/t-aix52: Same.
190 * config/rs6000/rs6000.md (store_multiple_power): Delete.
191 (stmsi[345678]_power): New.
193 2006-03-17 Steve Ellcey <sje@cup.hp.com>
195 * config/ia64/ia64.opt: Add empty line to end of file.
197 2006-03-17 Richard Guenther <rguenther@suse.de>
200 * builtins.c (get_pointer_alignment): For component style references
201 adjust alignment to the component type alignment. Make sure
202 to adjust alignment for component access of constants.
204 2006-03-17 David Edelsohn <edelsohn@gnu.org>
206 * config/rs6000/rs6000.md (strlensi): Emit barrier after
209 2006-03-17 Paul Brook <paul@codesourcery.com>
211 * doc/install.texi: Docuemnt --with-mode.
212 * config.gcc: Add --with-mode for arm*-*-*.
213 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
215 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
217 * sh.c (max_labelno_before_reorg): New variable.
218 (sh_reorg): Initialize it.
219 (find_barrier): Check max_labelno_before_reorg before using
220 label_to_alignment. Take length of explicit alignment insns
221 into account. When seeing a UNSPECV_CONST_END, return it.
223 * sh.c (fixup_mova): Set mode of affected label to QImode.
224 (untangle_mova): New function.
225 (find_barrier): Use it. Check mode of label before decrementing
227 (sh_reorg): Likewise.
228 Set mode of all insns back to VOIDmode.
230 * sh.c (MOVA_LABELREF): New macro.
231 (mova_p, fixup_mova, sh_reorg): Use it.
232 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
233 ADDR_DIFF_VEC matches mova.
235 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
237 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
238 with ATTRIBUTE_UNUSED.
240 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
242 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
243 pointer, instead of assuming it is possible to derive the
244 correct args size from a call insn.
246 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
248 * rtl.h (CONST_INT_P): Define.
249 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
250 instead of GET_CODE(x) == CONST_INT.
251 (vax_rtx_costs): Likewise.
252 (vax_output_int_move): Likewise.
253 (vax_output_int_add): Likewise.
254 (legitimate_constant_address_p): Likewise.
255 (index_term_p): Likewise.
256 * config/vax/vax.h (PRINT_OPERAND): Likewise.
257 * config/vax/vax.md (and<mode>3): Likewise.
260 (movstricthi): Likewise.
261 (movstrictqi): Likewise.
263 (five unnamed insns): Likewise.
265 2006-03-16 Geoffrey Keating <geoffk@apple.com>
267 * doc/tm.texi (SDB and DWARF): Add extra parameter to
268 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
269 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
270 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
271 Pass to ASM_OUTPUT_DWARF_OFFSET.
272 * dwarf2out.c (debug_frame_section): New.
273 (output_call_frame_info): Use debug_frame_section. Pass it to
274 dw2_asm_output_offset.
275 (output_die): Pass appropriate section to dw2_asm_output_offset.
276 (output_compilation_unit_header): Likewise.
277 (output_pubnames): Likewise.
278 (output_aranges): Likewise.
279 (enum dw_val_class): Break dw_val_class_lbl_offset into
280 dw_val_class_lineptr and dw_val_class_macptr.
281 (add_AT_lbl_offset): Delete.
282 (add_AT_lineptr): New.
283 (add_AT_macptr): New.
284 (AT_lbl): Expect a lineptr or macptr.
285 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
286 (attr_checksum): Likewise.
287 (same_dw_val_p): Likewise.
288 (size_of_die): Likewise.
289 (value_format): Likewise.
290 (output_die): Likewise.
291 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
293 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
294 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
295 * config/darwin-protos.h (darwin_file_start): New.
296 (darwin_asm_output_dwarf_offset): New.
297 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
298 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
300 * config/darwin.c (darwin_emit_unwind_label): Don't output label
301 if not EH section; simplify.
302 (darwin_file_start): New.
303 (darwin_asm_output_dwarf_offset): New.
304 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
306 (DEBUG_INFO_SECTION): Likewise.
307 (DEBUG_ABBREV_SECTION): Likewise.
308 (DEBUG_ARANGES_SECTION): Likewise.
309 (DEBUG_MACINFO_SECTION): Likewise.
310 (DEBUG_LINE_SECTION): Likewise.
311 (DEBUG_LOC_SECTION): Likewise.
312 (DEBUG_PUBNAMES_SECTION): Likewise.
313 (DEBUG_STR_SECTION): Likewise.
314 (DEBUG_RANGES_SECTION): Likewise.
315 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
316 (ASM_OUTPUT_DWARF_OFFSET): New.
318 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
320 * config.gcc (tm_defines): Always add to previous value rather
323 2006-03-16 Richard Sandiford <richard@codesourcery.com>
325 * config/mips/predicates.md (splittable_const_int_operand): New,
326 split from move_operand.
327 (splittable_symbolic_operand): New.
328 (move_operand): Add commentary. Use splittable_const_int_operand.
329 Inline mips_atomic_symbolic_constant_p.
330 * config/mips/mips.md: Add combine splitters for handling moves
331 of splittable_const_int_operands and splittable_symbolic_operands.
332 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
333 (mips_split_symbol): Declare.
334 (mips_move_integer): Declare.
335 * config/mips/mips.c (mips_split_p): Make global.
336 (TARGET_MIN_ANCHOR_OFFSET): Override default.
337 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
338 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
339 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
340 (mips_offset_within_object_p): Handle block symbols.
341 (mips_atomic_symbolic_constant_p): Delete.
342 (mips_cannot_force_const_mem): Return false for constants that
343 mips_legitimize_move can handle.
344 (mips_use_blocks_for_constant_p): New function.
345 (mips_split_symbol): Make global.
346 (mips_move_integer): Likewise. Add a temporary register argument.
347 (mips_legitimize_const_move): Use splittable_const_int_operand and
348 splittable_symbolic_operand.
349 (mips_use_anchors_for_symbol_p): New function.
350 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
351 (mips_split_p): Declare.
353 2006-03-16 Richard Sandiford <richard@codesourcery.com>
355 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
356 (mips*-*-linux*): Likewise.
358 2006-03-16 Roger Sayle <roger@eyesopen.com>
359 Daniel Speyer <dspeyer@wam.umd.edu>
362 * tree-dump.c (dump_real): New function.
363 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
364 * Makefile.in (REAL_H): New macro for dependencies on real.h.
365 (tree-dump.o): Add $(REAL_H) to the dependencies.
367 2006-03-16 Roger Sayle <roger@eyesopen.com>
370 * real.c (real_from_string): If the mantissa is zero, don't bother
371 parsing the exponent as the result should always be zero.
373 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
375 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
377 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
379 * config/ia64/ia64.c (stops_p): Added explicit initialization.
380 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
381 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
382 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
383 ia64_sched_finish_global): New static functions to implement
384 hooks from gcc_target.sched.
385 (spec_check_no, max_uid, pending_data_specs): New static variables.
386 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
387 ia64_spec_check_src_p): New static functions.
388 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
389 (TARGET_SCHED_ADJUST_COST): Removed.
390 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
391 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
392 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
393 TARGET_SCHED_GEN_CHECK,
394 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
395 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
396 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
397 Fixed to handle speculation checks.
398 (rtx_needs_barrier): Fixed to handle speculative loads and
400 (ia64_variable_issue): Added code to count speculative loads and their
402 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
404 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
406 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
408 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
409 (ia64_reorg): Reset stops_p to NULL after it is freed.
410 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
411 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
412 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
414 (data_speculative, control_speculative, check_load): New attributes.
415 (mov<mode>_advanced, mov<mode>_speculative,
416 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
417 zero_extend<mode>di2_speculative,
418 zero_extend<mode>di2_speculative_advanced): New patterns for
419 data and control speculative loads.
420 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
422 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
423 New pattern for data and control speculation checks.
424 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
425 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
426 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
427 Auxiliary definitions for the patterns.
428 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
429 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
431 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
433 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
434 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
435 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
436 New resource constraints.
437 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
439 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
440 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
441 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
442 msched-in-control-spec, msched-ldc, msched-control-ldc,
443 msched-spec-verbose, msched-prefer-non-data-spec-insns,
444 msched-prefer-non-control-spec-insns,
445 msched-count-spec-in-critical-path): New flags to tune speculative
447 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
448 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
449 msched-in-control-spec, msched-ldc, msched-control-ldc,
450 msched-spec-verbose, msched-prefer-non-data-spec-insns,
451 msched-prefer-non-control-spec-insns,
452 msched-count-spec-in-critical-path): Document new flags.
454 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
456 * target.h (struct spec_info_def): New opaque declaration.
457 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
458 speculate_insn, needs_block_p, gen_check,
459 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
460 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
461 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
462 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
463 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
464 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
466 (TARGET_SCHED): Use new macros.
467 * rtl.h (copy_DEPS_LIST_list): New prototype.
468 * sched-int.h (struct sched_info): Change signature of new_ready field,
469 adjust all initializations. New fields: add_remove_insn,
470 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
471 region_head_or_leaf_p.
472 (struct spec_info_def): New structure declaration.
473 (spec_info_t): New typedef.
474 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
475 recovery_block, orig_pat.
476 (glat_start, glat_end): New variables declaraions.
477 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
479 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
480 DETACH_LIFE_INFO, USE_GLAT.
481 (enum SPEC_SCHED_FLAGS): New enumeration.
482 (NOTE_NOTE_BB_P): New macro.
483 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
484 attach_life_info, debug_spec_status, check_reg_live): New functions.
485 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
486 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
488 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
489 * ddg.c (get_block_head_tail): Adjust all uses.
490 * modulo-sched.c (get_block_head_tail): Adjust all uses.
491 (sms_sched_info): Initialize new fields.
492 (contributes_to_priority): Removed.
493 * haifa-sched.c (params.h): New include.
494 (get_block_head_tail): Adjust all uses.
495 (ISSUE_POINTS): New macro.
496 (glat_start, glat_end): New global variables.
497 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
498 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
499 old_last_basic_block, before_recovery, current_sched_info_var,
500 rgn_n_insns, luid): New static variables.
501 (insn_cost1): New function. Move logic from insn_cost to here.
502 (find_insn_reg_weight1): New function. Move logic from
503 find_insn_reg_weight to here.
504 (reemit_notes, move_insn, max_issue): Change signature.
505 (move_insn1): Removed.
506 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
507 extend_bb): New static functions to support extension of scheduler's
509 (generate_recovery_code, process_insn_depend_be_in_spec,
510 begin_speculative_block, add_to_speculative_block,
511 init_before_recovery, create_recovery_block, create_check_block_twin,
512 fix_recovery_deps): New static functions to support
513 generation of recovery code.
514 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
515 restore_bb_notes, move_block_after_check, move_succs): New static
516 functions to support ebb scheduling.
517 (init_glat, init_glat1, attach_life_info1, free_glat): New static
518 functions to support handling of register live information.
519 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
520 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
521 add_jump_dependencies): New static functions.
522 (check_cfg, has_edge_p, check_sched_flags): New static functions for
523 consistancy checking.
524 (debug_spec_status): New function to call from debugger.
525 (priority): Added code to handle speculation checks.
526 (rank_for_schedule): Added code to distinguish speculative instructions.
527 (schedule_insn): Added code to handle speculation checks.
528 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
529 Fixed to handle ebbs.
530 (move_insn): Added code to handle ebb scheduling.
531 (max_issue): Added code to use ISSUE_POINTS of instructions.
532 (choose_ready): Added code to choose between speculative and
533 non-speculative instructions.
534 (schedule_block): Added code to handle ebb scheduling and scheduling of
535 speculative instructions.
536 (sched_init): Initialize new variables.
537 (sched_finish): Free new variables. Print statistics.
538 (try_ready): Added code to handle speculative instructions.
539 * lists.c (copy_DEPS_LIST_list): New function.
540 * sched-deps.c (extend_dependency_caches): New function. Move logic
541 from create_dependency_caches to here.
542 (get_dep_weak, ds_merge): Make global.
543 * genattr.c (main): Code to output prototype for
544 dfa_clear_single_insn_cache.
545 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
546 (output_dfa_clean_insn_cache_func): Code to output
547 dfa_clear_single_insn_cache function.
548 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
550 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
552 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
553 New static variables.
554 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
555 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
557 (ebb_sched_info): Initialize new fields.
558 (get_block_head_tail): Adjust all uses.
559 (compute_jump_reg_dependencies): Fixed to use glat_start.
560 (schedule_ebb): Code to remove unreachable last block.
561 (schedule_ebbs): Added code to update register live information.
562 * sched-rgn.c (region_sched_info): Initialize new fields.
563 (get_block_head_tail): Adjust all uses.
564 (last_was_jump): Removed. Adjust users.
565 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
566 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
568 (check_dead_notes1): New static function.
569 (struct region): New fields: dont_calc_deps, has_real_ebb.
570 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
571 (BB_TO_BLOCK): Fixed to handle EBBs.
572 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
573 (ebb_head): New static variable.
574 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
575 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
577 (compute_dom_prob_ps): New assertion.
578 (check_live_1, update_live_1): Fixed to work with glat_start instead of
579 global_live_at_start.
580 (init_ready_list): New assertions.
581 (can_schedule_ready_p): Split update code to begin_schedule_ready.
582 (new_ready): Add support for BEGIN_CONTROL speculation.
583 (schedule_insns): Fixed code that updates register live information
585 (schedule_region): Fixed to handle EBBs.
586 (init_regions): Use extend_regions and check_dead_notes1.
587 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
588 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
589 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
590 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
591 TARGET_SCHED_GEN_CHECK,
592 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
593 TARGET_SCHED_SET_SCHED_FLAGS): Document.
594 * doc/invoke.texi (max-sched-insn-conflict-delay,
595 sched-spec-prob-cutoff): Document.
597 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
599 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
600 inter_tick, queue_index.
601 (struct sched_info): Change signature of init_ready_list field.
602 Adjust all initializations.
603 (RESOLVED_DEPS): New access macro.
604 (ready_add): Remove prototype.
605 (try_ready): Add prototype.
606 * sched-rgn.c (init_ready_list): Use try_ready.
607 (schedule_region): Initialize
608 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
609 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
610 (init_ready_list): Use try_ready.
611 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
612 * lists.c (remove_list_elem): Remove `static'.
613 (remove_free_INSN_LIST_elem): New function.
614 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
615 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
616 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
618 (readyp): New variable.
619 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
620 change_queue_index, resolve_dep): New static functions.
621 (try_ready): New function. Adjust callers in sched-rgn.c and
622 sched-ebb.c to use it instead of ready_add.
623 (clock_var): Move at the begining of file.
624 (rank_for_schedule): Fix typo.
625 (queue_insn): Add assertion. Handle QUEUE_INDEX.
626 (ready_lastpos): Enforce assertion.
627 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
629 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
630 (schedule_insn): Rewrite to use try_ready and resolve_dep.
631 (queue_to_ready): Use free_INSN_LIST_list.
632 (early_queue_to_ready): Fix typo.
633 (schedule_block): Init readyp. Move init_ready_list call after the
634 initialization of clock_var. Fix error in rejecting insn by
635 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
636 that previously corrected INSN_TICKs. Add code for handling
638 (set_priorities): Fix typo.
639 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
640 Clarify comment and code that keeps current_sched_info->next_tail
643 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
645 * sched-rgn.c (extend_rgns): New static function.
647 (gather_region_statistics, print_region_statistics): New static
649 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
650 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
652 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
653 Andrey Belevantsev <abel@ispras.ru>
655 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
656 * lists.c (unused_deps_list): New variable.
657 (free_list): Add assertions to verify the proper distinguishing
658 between INSN_LISTs and DEPS_LISTs.
659 (find_list_elem, remove_list_elem, remove_list_node): New static
661 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
662 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
663 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
664 (alloc_INSN_LIST): Assert that the list we're working on is indeed
666 (free_INSN_LIST_node): Likewise.
667 * modulo-sched.c (current_sched_info): Initialize flags field.
668 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
669 * rtl.def (DEPS_LIST): Define.
670 * rtl.h: Declare new functions from lists.c.
671 * sched-deps.c (spec_dependency_cache): New static variable.
672 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
673 (add_dependence): Change return type to void. Move the logic to ...
674 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
675 (delete_all_dependences): Add comment about forward_dependency_cache.
676 Handle spec_dependency_cache. Handle DEPS_LISTs.
677 (fixup_sched_groups): Clarify the change of priority of output
678 and anti dependencies.
679 (sched_analyze_2): Adjust add_dependence calls to create data
680 speculative dependence.
681 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
682 Adjust all callers. Handle DEPS_LISTS.
683 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
684 presence of speculation.
685 (init_dependency_caches, free_dependency_caches):
686 Handle spec_dependency_cache.
687 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
688 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
689 New static functions.
690 (add_or_update_back_dep, add_or_update_back_forw_dep,
691 add_back_forw_dep, delete_back_forw_dep): New functions.
692 * sched-int.h (ds_t, dw_t): New typedefs.
693 (struct sched_info): Add new field flags.
694 (struct haifa_insn_data): Add new bitfield has_internal_dep.
695 Prototype new sched-deps.c functions.
696 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
697 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
698 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
699 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
700 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
701 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
703 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
705 * sched-rgn.c (current_sched_info): Initialize flags field.
706 (schedule_insns): Initialize current_sched_info before the sched_init
708 * sched-ebb.c (current_sched_info): Initialize flags field.
709 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
710 Call add_or_update_back_dep instead of add_dependence.
711 Create control speculative dependencies.
712 (schedule_insns): Initialize current_sched_info before the sched_init
715 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
717 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
719 (sh_fallback_frame_state): Likewise.
721 2006-03-15 Geoffrey Keating <geoffk@apple.com>
723 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
724 Do switch on default_use_cxa_atexit.
725 (powerpc*-*-darwin*): Build crt2.o on powerpc.
726 * config/darwin-crt3.o: New.
727 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
728 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
729 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
731 * config/rs6000/t-darwin: Move crt2.o building to here.
732 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
733 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
736 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
738 * config/vax/vax.c (nonindexed_address_p): Change logical negation
739 from '! xxx' to '!xxx' for coding-style conformance.
740 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
741 (EXTRA_CONSTRAINT): Likewise.
742 * config/vax/vax.md (four unnamed insns): Likewise.
744 2006-03-15 Paul Brook <paul@codesourcery.com>
746 * config/arm/arm.c (minipool_pad): New.
747 (add_minipool_forward_ref): Include pool alignment padding in address
749 (push_minipool_fix): Set minipool_pad.
750 (minipool_pad): Ditto.
752 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
754 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
755 instead of GET_CODE() == MEM and REG_P() instead of
757 (print_operand_address): Likewise.
758 (vax_address_cost): Likewise.
759 (vax_rtx_costs): Likewise.
760 (vax_notice_update_cc): Likewise.
761 (vax_output_int_add): Likewise.
762 (INDEX_REGISTER_P): Likewise.
763 (BASE_REGISTER_P): Likewise.
764 (nonindexed_address_p): Likewise.
765 (vax_mode_dependent_address_p): Likewise.
766 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
767 (PRINT_OPERAND): Likewise.
768 * config/vax/vax.md (ashlsi3): Likewise.
770 (some more unnamed insns): Likewise.
772 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
774 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
775 iterator-style macro.
776 (mark_control_dependent_edges_necessary): Update the use of
777 EXECUTE_IF_CONTROL_DEPENDENT.
779 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
781 * config/sh/predicates.md (cache_address_operand): Special.
782 (ua_address_operand): Likewise.
784 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
786 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
788 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
790 2006-03-15 Andreas Schwab <schwab@suse.de>
792 * gensupport.c (identify_predicable_attribute): Don't free p_false
793 when it is still in use.
795 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
797 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
798 the default setting here.
800 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
802 * tree-pass.h (pass_cfg): Remove.
803 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
804 * passes.c (pass_cfg): Don't run it.
806 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
808 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
809 * reg-stack.c (stack_regs_mentioned_data): Change the type to
811 (stack_regs_mentioned): Update the uses of
812 stack_regs_mentioned_data. Don't access the array beyond its
814 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
815 Don't include gt-reg-stack.h.
817 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
818 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
820 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
823 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
826 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
828 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
830 2006-03-14 Richard Guenther <rguenther@suse.de>
832 PR tree-optimization/26672
833 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
836 2006-03-14 Richard Guenther <rguenther@suse.de>
838 PR tree-optimization/26667
839 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
840 node for the callees. Always allow inlining if it will shrink
843 2006-03-14 Richard Guenther <rguenther@suse.de>
846 * builtins.c (get_pointer_alignment): Prefer alignment
847 information from decls over that from types.
849 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
852 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
854 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
856 * config/rs6000/rs6000.opt (mdlmzb): New option.
857 (msched-prolog, msched-epilog): Use Var not Mask.
858 * doc/invoke.texi (-mdlmzb): Document.
859 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
861 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
862 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
864 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
866 PR rtl-optimization/25739
867 * bt-load.c (augment_live_range): Free tos pointer.
869 * gensupport.c (identify_predicable_attribute): Free
871 * gcov.c (create_file_names): Free name pointer.
873 2006-03-13 Roger Sayle <roger@eyesopen.com>
876 * stmt.c (emit_case_nodes): Handle the case where the index is a
877 CONST_INT, where the comparison mode is specified by the index type.
879 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
881 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
884 2006-03-13 Richard Sandiford <richard@codesourcery.com>
886 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
887 (*branch_fp_inverted): Likewise.
889 2006-03-13 Jakub Jelinek <jakub@redhat.com>
892 * omp-low.c (expand_omp_for_generic): Mark istart0
893 and iend0 as addressable.
895 2006-03-13 Jie Zhang <jie.zhang@analog.com>
897 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
899 2006-03-13 Jeff Law <law@redhat.com>
901 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
902 virtual operands are interesting.
903 (vrp_visit_stmt): Corresponding changes.
905 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
907 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
909 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
910 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
911 * config/bfin/crti.S: Use it instead of __PIC__.
912 * config/bfin/crtn.S: Likewise.
914 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
915 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
917 Lose 'G' modifier for call operand.
918 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
919 recognize 'G' modifier.
921 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
924 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
925 * stmt.c (expand_case): Likewise.
927 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
929 PR rtl-optimization/26254
930 * loop-invariant.c (seq_insns_valid_p): New function.
931 (move_invariant_reg): Only emit new code if it is valid.
933 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
935 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
937 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
938 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
939 (commit_one_edge_insertion): Do not look for loop notes.
941 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
943 * jump.c (follow_jumps): Do not check for loop notes. Move check for
944 flag_test_coverage out of loop.
946 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
948 * final.c (shorten_branches): Remove outdated comment, and turn
949 the if branch that guards it to continue.
951 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
953 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
954 * cfgloop.h (struct loop): Remove unused fields.
956 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
958 * doc/invoke.texi (-fdump-rtl-loop): Remove.
959 (-dL, -fdump-rtl-loop2): Update the dump file names
961 * doc/invoke.texi: Update dump file names.
963 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
965 * predict.c (estimate_probability): Remove.
966 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
967 * basic-block.h (estimate_probability): Remove prototype.
968 * passes.c (finish_optimization_passes): Dump branch prediction or
969 profiling heuristics to the .profile tree dump.
970 (init_optimization_passes): Unqueue pass_branch_prob.
972 * doc/invoke.texi (-fdump-rtl-bp): Remove.
974 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
976 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
977 * rtl.h (LABEL_NEXTREF): Remove field accessor.
979 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
981 * function.h (frame_offset_overflow): Declare.
982 * function.c (frame_offset_overflow): New function.
983 (assign_stack_local_1): Call it to detect that the offset overflows.
984 * cfgexpand.c (alloc_stack_frame_space): Likewise.
986 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
988 * config/sh/sh.c: Include alloc-pool.h.
989 (label_ref_list_pool): New alloc pool.
990 (label_ref_list_t): New type for lists of labels.
991 (struct pool_node): Make wend a label_ref_list_t.
992 (add_constant): Use the new type, eradicate LABEL_NEXTREF
994 (dump_table): Likewise.
995 (sh_reorg): Set up the alloc pool before using add_constant and
996 dump_table, and destroy it when finishing.
998 2006-03-11 Richard Sandiford <richard@codesourcery.com>
1000 * config/mips/mips.c: Remove redundant comment.
1002 2006-03-10 Jason Merrill <jason@redhat.com>
1005 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
1006 the target was declared 'register'.
1008 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
1010 * genpreds.c (write_insn_constraint_len): Change definition of
1011 insn_constraint_len to return size_t to match the declaration.
1013 2006-03-10 DJ Delorie <dj@redhat.com>
1015 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
1017 (m32c_expand_insv): Fix test for an AND mask.
1019 2006-03-10 Richard Guenther <rguenther@suse.de>
1022 * builtins.c (get_pointer_alignment): Handle component
1023 references for field alignment.
1025 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
1027 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
1028 when building with libgloss.
1029 (sh*elf): Implement --without-fp option.
1030 (sh64-superh-linux*): Don't multilib.
1032 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
1034 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
1036 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
1038 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
1039 Set it when one of the replacement functions returned true.
1040 Return TODO_cleanup_cfg if cfgchanged is true.
1041 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
1043 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
1045 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
1046 instead of gen_lowpart.
1048 2006-03-09 Richard Sandiford <richard@codesourcery.com>
1050 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
1052 (mips_output_order_conditional_branch): Declare.
1053 * config/mips/mips.h (MIPS_BRANCH): New macro.
1054 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
1055 for the comparison. Use gen_condjump.
1056 (mips_output_conditional_branch): Rework interface to take the
1057 asm templates for a direct branch and the inverse of a direct branch.
1058 (mips_output_order_conditional_branch): New function.
1059 (mips_builtin_branch_and_move): New function.
1060 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
1061 branch condition. Use gen_single_cc as the condition for
1062 __builtin_mips_upper_* or __builtin_mips_lower_*.
1063 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
1064 Use VOIDmode for the branch condition.
1065 * config/mips/predicates.md (order_operator): New predicate.
1066 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
1067 (branch_fp): Rename to...
1068 (*branch_fp): ...this. Remove mode from comparison operator.
1069 Use new mips_output_conditional_branch interface.
1070 (branch_fp_inverted): Rename to...
1071 (*branch_fp_inverted): ...this and update as for *branch_fp.
1072 (*branch_zero<mode>): Rename to...
1073 (*branch_order<mode>): ...this. Remove mode from comparison operator.
1074 Use mips_output_order_conditional_branch. Only accept ordered
1076 (*branch_zero<mode>_inverted): Rename to...
1077 (*branch_order<mode>_inverted): ...this and update as for
1078 *branch_order<mode>.
1079 (*branch_equality<mode>): Accept zero as the second operand to
1080 the equality operator. Use the new mips_output_conditional_branch
1082 (*branch_equality<mode>_inverted): Likewise.
1083 (condjump): New expander.
1084 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
1086 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
1087 (bc1any2t, bc1any2f): Likewise.
1088 (single_cc): New expander.
1089 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
1091 2006-03-09 Richard Sandiford <richard@codesourcery.com>
1093 * doc/md.texi: Update documentation of MIPS constraints.
1094 * config/mips/constraints.md: New file.
1095 * config/mips/mips.md: Include it.
1096 * config/mips/mips.c (mips_char_to_class): Delete.
1097 (override_options): Don't initialize mips_char_to_class.
1098 * config/mips/mips.h (mips_char_to_class): Delete.
1099 (REG_CLASS_FROM_LETTER): Delete.
1100 (CONST_OK_FOR_LETTER_P): Delete.
1101 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1102 (EXTRA_CONSTRAINT_Y): Delete.
1103 (EXTRA_CONSTRAINT_STR): Delete.
1104 (CONSTRAINT_LEN): Delete.
1105 (EXTRA_MEMORY_CONSTRAINT): Delete.
1107 2006-03-09 Diego Novillo <dnovillo@redhat.com>
1109 * tree-cfg.c (move_block_to_fn): Remove the statements from the
1110 original fn's eh regions.
1112 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
1114 * fold-const.c (build_range_check): Make sure to use a valid type to
1115 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
1118 (range_predecessor): New static function.
1119 (range_successor): Likewise.
1120 (merge_ranges): Use them to compute predecessors and successors of
1123 2006-03-09 Roger Sayle <roger@eyesopen.com>
1126 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
1127 X op C3, consider whether C3 overflows towards +Inf or -Inf.
1129 2006-03-08 DJ Delorie <dj@redhat.com>
1131 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
1132 (addpsi3): Expand to include memory operands. Remove
1133 reload-specific splits.
1134 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
1135 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
1136 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
1137 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
1138 (shift1_qi, shift1_hi, insv): New.
1139 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
1140 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
1141 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
1143 * config/m32c/m32c-protos.h: Update as needed.
1144 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
1145 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
1146 Fail for unrecognized R* constraints.
1147 (m32c_cannot_change_mode_class): Be more picky about pseudos.
1148 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
1149 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
1151 (m32c_init_libfuncs): New.
1152 (m32c_legitimate_address_p): Add debug wrapper.
1153 (m32c_rtx_costs): New.
1154 (m32c_address_cost): New.
1155 (conversions): Add 'B' prefix.
1156 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
1157 operands, or word regnames for QI operands. 'B' prints bit
1159 (m32c_expand_setmemhi): New.
1160 (m32c_expand_movmemhi): New.
1161 (m32c_expand_movstr): New.
1162 (m32c_expand_cmpstr): New.
1163 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
1164 (m32c_expand_neg_mulpsi3): Handle non-ints.
1165 (m32c_cmp_flg_0): New.
1166 (m32c_expand_movcc): New.
1167 (m32c_expand_insv): New.
1168 (m32c_scc_pattern): New.
1169 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
1170 a0/a1 out of SIregs.
1171 (STORE_FLAG_VALUE): New.
1172 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
1175 * config/m32c/mov.md: Make constraints more liberal.
1176 (zero_extendqihi2): Optimize r0/r1 case.
1177 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
1178 * config/m32c/predicates.md (m32c_any_operand): New.
1179 (m32c_nonimmediate_operand): New.
1180 (m32c_hl_operand): New.
1181 (m32c_r3_operand): New.
1184 (memsym_operand): New.
1185 (memimmed_operand): New.
1186 (a_qi_operand): New.
1187 (m32c_eqne_operator): New.
1188 (m32c_1bit8_operand): New.
1189 (m32c_1bit16_operand): New.
1190 (m32c_1mask8_operand): New.
1191 (m32c_1mask16_operand): New.
1192 * config/m32c/blkmov.md: New file.
1193 * config/m32c/t-m32c (MD_FILES): Add blkmov.
1195 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
1197 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
1198 unsigned to fix signed/unsigned comparison issue in
1199 DWARF2_FRAME_REG_OUT.
1200 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
1201 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
1203 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
1204 of ptr into the ENABLE_CHECKING section.
1206 2006-03-08 Jeff Law <law@redhat.com>
1208 * tree-vrp.c (infer_value_range): Only count pointer uses
1209 and dereferences if -fdelete-null-pointer-checks is enabled.
1211 * tree-vrp.c (find_assert_locations): Infer value ranges for
1212 single use pointers, but do not create ASSERT_EXPRs for them.
1213 When a non-null range is inferred for a pointer, backwards
1214 propagate that range to other equivalent pointers through the
1217 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
1220 * Makefile.in (dvi, html, install-info): Invoke the corresponding
1221 language hook targets.
1222 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
1223 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
1224 if language hook targets were missing.
1226 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
1228 * tree-ssa-opfinalize.h: Removed.
1229 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
1231 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
1232 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
1233 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
1234 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
1235 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
1236 finalize_ssa_v_must_def_ops): New.
1238 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
1240 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
1243 2006-03-07 Geoffrey Keating <geoffk@apple.com>
1245 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
1247 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
1248 addresses with offsets; reorganize.
1250 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
1251 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
1252 (expand_builtin_init_dwarf_reg_sizes): Likewise.
1254 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
1257 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
1259 2006-03-08 Ben Elliston <bje@au.ibm.com>
1261 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
1263 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
1266 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
1269 2006-03-07 Richard Guenther <rguenther@suse.de>
1271 PR tree-optimization/26587
1272 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
1274 2006-03-07 Richard Sandiford <richard@codesourcery.com>
1276 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
1278 2006-03-07 Richard Sandiford <richard@codesourcery.com>
1280 * hooks.c (hook_bool_mode_rtx_true): New function.
1281 * hooks.h (hook_bool_mode_rtx_true): Declare.
1282 * toplev.c (compile_file): Call output_shared_constant_pool.
1283 * varasm.c (shared_constant_pool): New variable.
1284 (assemble_start_function, assemble_end_function): Remove arguments
1285 from call to output_constant_pool.
1286 (create_constant_pool): New function, split out from...
1287 (init_varasm_status): ...here.
1288 (force_const_mem): Choose between the shared and per-function constant
1289 pools. Set current_function_uses_const_pool when reusing old entries
1290 as well as when creating new ones.
1291 (mark_constant): Ignore data argument.
1292 (mark_constants): Remove pool argument.
1293 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
1294 to decide whether the function uses a constant pool.
1295 (output_constant_pool_contents): New function, split out from...
1296 (output_constant_pool): ...here.
1297 (output_shared_constant_pool): New function.
1298 (init_varasm_once): Initialize shared_constant_pool.
1299 * output.h (output_constant_pool): Delete.
1300 (output_shared_constant_pool): Declare.
1301 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
1302 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
1304 2006-03-06 Nick Clifton <nickc@redhat.com>
1306 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
1307 flag_strength_reduce.
1309 2006-03-06 Ben Elliston <bje@au.ibm.com>
1311 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
1312 x86_64-*-linux* configurations.
1314 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
1315 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
1317 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
1319 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
1321 * basic-block.h: Remove the extern for
1322 rediscover_loops_after_threading.
1324 * cfgloop.c (cancel_loop): Make it static.
1325 * cfgloop.h: Remove the prototype for cancel_loop.
1327 * flow.c (recompute_reg_usage): Make it static.
1328 * rtl.h: Remove the prototype for recompute_reg_usage.
1330 * function.c (use_return_register): Make it static.
1331 * function.h: Remove the prototype.
1333 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
1335 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
1337 * recog.h: Remove the prototype for
1338 validate_change_maybe_volatile.
1340 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
1342 * rtlanal.c (replace_reg): Remove.
1343 * rtl.h: Remove the prototype for replace_reg.
1345 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
1347 * regclass.c (reg_scan_update): Remove.
1348 (reg_scan_mark_refs): Remove the last argument.
1349 * rtl.h: Remove the prototype for reg_scan_update.
1351 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1353 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
1354 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
1355 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
1356 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
1357 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
1358 loop-invariant.c, omp-low.c, opts.c, passes.c,
1359 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
1360 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
1361 tree-ssa-structalias.c, tree-ssa-threadedge.c,
1362 tree-ssa-threadupdate.c, tree-vect-patterns.c,
1363 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
1364 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
1366 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1368 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
1369 * dwarf2out.h: Remove the prototype for
1370 dwarf2out_add_library_unit_info.
1372 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1374 * tree.c (add_var_to_bind_expr): Remove.
1375 * tree.h: Remove the prototype for add_var_to_bind_expr.
1377 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1379 * regclass.c (n_non_fixed_regs): Remove.
1380 (init_reg_sets_1, globalize_reg): Remove all uses of
1382 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
1384 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1386 * rtlanal.c (insns_safe_to_move_p): Remove.
1387 * rtl.h: Remove the prototype for insns_safe_to_move_p.
1389 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1391 * expmed.c (expand_mult_add): Remove.
1392 * expr.h: Remove the prototype for expand_mult_add.
1394 2006-03-04 Jakub Jelinek <jakub@redhat.com>
1396 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
1397 and REG_SAVED_VAL_EXP constants.
1398 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
1399 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
1400 Handle regs stored by value.
1401 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
1402 (execute_cfa_program): Handle DW_CFA_val_offset,
1403 DW_CFA_val_offset_sf and DW_CFA_val_expression.
1404 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
1405 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
1406 (uw_install_context_1): Handle target regs stored by value.
1408 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
1410 * tree-sra.c (tree_sra): Return todoflags;
1411 (generate_one_element): Set TODO_update_smt_usage if needed.
1412 (pass_sra): Remove TODO_update_smt_usage.
1413 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
1415 (tree_ssa_forward_propagate_single_use_vars): Return
1416 TODO_update_smt_usage if we need to update SMT usage.
1417 (pass_forwprop): Remove TODO_update_smt_usage.
1419 2006-03-03 Diego Novillo <dnovillo@redhat.com>
1421 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
1422 (correct_use_link): Remove reference to get_stmt_operands.
1423 (update_stmt_operands): Likewise.
1424 (get_modify_expr_operands): New function factored out of
1425 parse_ssa_operands and get_expr_operands.
1426 Try to create V_MUST_DEFs for LHS by default.
1427 (get_expr_operands) <case MODIFY_EXPR>: Call
1428 get_modify_expr_operands.
1429 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
1430 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
1431 (parse_ssa_operands) <case MODIFY_EXPR>: Call
1432 get_modify_expr_operands.
1434 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
1436 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
1437 * tree-flow.h: Remove the prototype for
1438 referenced_var_lookup_if_exists.
1440 2006-03-03 Steve Ellcey <sje@cup.hp.com>
1442 PR rtl-optimization/26345
1444 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
1446 2006-03-03 Roger Sayle <roger@eyesopen.com>
1448 PR tree-optimization/26524
1449 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
1450 fold_convert to create a constant of the appropriate type.
1452 2006-03-03 Richard Sandiford <richard@codesourcery.com>
1454 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1455 SYMBOL_REF_IN_BLOCK_P.
1456 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
1457 of SYMBOL_FLAG_IN_BLOCK.
1458 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
1459 instead of SYMBOL_REF_IN_BLOCK_P.
1460 * explow.c (use_anchored_address): Likewise.
1461 * rtl.c (rtx_size): Likewise.
1462 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
1463 instead of SYMBOL_FLAG_IN_BLOCK.
1464 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1465 SYMBOL_REF_IN_BLOCK_P.
1466 (assemble_variable): Likewise.
1467 (output_constant_def_contents): Likewise.
1468 (output_constant_pool): Likewise.
1469 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
1470 instead of SYMBOL_FLAG_IN_BLOCK.
1471 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1472 SYMBOL_REF_IN_BLOCK_P.
1473 (SYMBOL_REF_BLOCK): Likewise.
1474 (SYMBOL_REF_OFFSET): Likewise.
1475 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1476 SYMBOL_REF_IN_BLOCK_P.
1477 (SYMBOL_FLAG_IN_BLOCK): Replace with...
1478 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
1479 (SYMBOL_REF_IN_BLOCK_P): Replace with...
1480 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
1482 2006-03-03 Jakub Jelinek <jakub@redhat.com>
1484 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
1486 2006-03-02 Roger Sayle <roger@eyesopen.com>
1488 * simplify-rtx.c (simplify_unary_operation): When simplifying
1489 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
1490 that we perform the right shift in the appropriate mode, and
1491 then extend or truncate the result to requested mode.
1493 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
1495 * gengtype.c (main): Handle double_int type.
1496 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
1497 * double-int.c: New file.
1498 * double-int.h: New file.
1499 * system.h: Include doubleint.h.
1500 * Makefile.in (SYSTEM_H): Include double-int.h.
1501 (double-int.o): Add.
1503 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
1506 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
1509 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
1511 * tree-vrp.c (remove_range_assertions): Do not update statements
1514 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
1516 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
1518 * gcse.c (rest_of_handle_gcse): Ditto.
1519 * except.c (gate_handle_eh): Ditto.
1520 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
1521 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
1523 2006-03-02 Eric Christopher <echristo@apple.com>
1525 * config/i386/i386.c (machopic_output_stub): Add indirection to
1528 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
1532 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
1534 Sun Niagara specific optimizations.
1535 * config.gcc: Recognize niagara as target.
1536 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
1537 (TARGET_CPU_niagara): Define.
1538 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
1539 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
1540 (CPP_CPU_SPEC): Handle -mcpu=niagara.
1541 (ASM_CPU_SPEC): Likewise.
1542 (PROCESSOR_NIAGARA): New enum entry.
1543 (REGISTER_MOVE_COST): Handle Niagara.
1544 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
1545 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
1546 (sparc_override_options): Recognize "niagara", set appropriate
1547 default MASK_* values for it, and align functions to 32-bytes
1548 by default just like ULTRASPARC/ULTRASPARC3.
1549 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
1550 (sparc64_initialize_trampoline): Likewise.
1551 (sparc_use_sched_lookahead): Use zero for niagara.
1552 (sparc_issue_rate): Use one for niagara.
1553 * config/sparc/niagara.md: New file.
1554 * config/sparc/sparc.md: Include it.
1555 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
1556 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
1557 when default cpu is niagara.
1558 (CPP_CPU_SPEC): Handle -mcpu=niagara.
1559 (ASM_CPU_SPEC): Likewise.
1560 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
1561 when default cpu is niagara.
1562 (ASM_CPU_SPEC): Handle -mcpu=niagara.
1563 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
1564 just like v9/ultrasparc/ultrasparc3.
1565 * doc/invoke.texi: Add documentation for "niagara" and improve
1566 existing documentation for ultrasparc variants.
1568 2006-03-02 Diego Novillo <dnovillo@redhat.com>
1570 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
1572 2006-03-02 Richard Sandiford <richard@codesourcery.com>
1574 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
1575 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
1576 and say that only one is needed.
1577 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
1578 * target.h (have_switchable_bss_sections): New hook.
1579 * explow.c (use_anchored_address): Check that the symbol is in a block.
1580 * varasm.c (tls_comm_section, comm_section, lcomm_section)
1581 (bss_noswitch_section): New variables.
1582 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
1583 (get_noswitch_section): New function.
1584 (get_block_for_section): Allow SECT to be null.
1585 (unlikely_text_section_p): Use SECTION_STYLE.
1586 (bss_initializer_p): New function.
1587 (get_variable_section): Move earlier in file. Take a new argument,
1588 prefer_noswitch_p. Move bss checks from assemble_variable to here.
1589 Return one of the new *_sections in such cases.
1590 (get_block_for_decl): New function, extracting some logic from
1591 use_blocks_for_decl_p.
1592 (change_symbol_section): Remove in favor of...
1593 (change_symbol_block): ...this new function.
1594 (use_blocks_for_decl_p): Remove checks now performed by
1596 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
1597 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
1598 (emit_local, emit_bss, emit_common): ...these new functions.
1599 Return true if the alignment was honored.
1600 (emit_tls_common): New function.
1601 (asm_emit_uninitialised): Delete.
1602 (assemble_variable_noswitch): New function, split out from...
1603 (assemble_variable): ...here. Don't make decisions about common
1604 variables here. Globalize all public decls that go into non-common
1605 sections. Check whether SYMBOL_REF_BLOCK is null.
1606 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
1607 (output_constant_pool): Likewise.
1608 (init_varasm_once): Initialize the new section variables.
1609 (have_global_bss_p): New function.
1610 (categorize_decl_for_section): Use bss_initializer_p.
1611 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
1612 (place_block_symbol): Assert that the symbol must be in a block.
1613 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
1614 (TARGET_INITIALIZER): Include it.
1615 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
1616 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
1617 (SECTION_MACH_DEP): Bump by two.
1618 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
1619 (unnamed_section): Mention SECTION_UNNAMED in comment.
1620 (named_section): Likewise SECTION_NAMED.
1621 (noswitch_section_callback): New type.
1622 (noswitch_section): New structure.
1623 (section): Add a noswitch_section alternative.
1624 (SECTION_STYLE): New macro.
1625 (tls_comm_section, comm_section, lcomm_section): Declare.
1626 (bss_noswitch_section, have_global_bss_p): Declare.
1627 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
1628 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
1630 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
1631 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
1634 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
1636 * gcc/tree-vrp.c (execute_vrp): Return value.
1637 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
1638 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
1639 * gcc/tree-complex.c (tree_lower_complex): Ditto.
1640 (tree_lower_complex_O0): Ditto.
1641 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
1642 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
1643 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
1644 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
1645 (execute_tail_calls): Ditto.
1646 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1647 * gcc/tree.h (init_function_for_compilation): Ditto.
1648 * gcc/ipa-cp.c (ipcp_driver): Ditto.
1649 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
1650 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
1651 * gcc/final.c (compute_alignments): Ditto.
1652 (rest_of_handle_final): Ditto.
1653 (rest_of_handle_shorten_branches): Ditto.
1654 (rest_of_clean_state): Ditto.
1655 * gcc/omp-low.c (execute_expand_omp): Ditto.
1656 (execute_lower_omp): Ditto.
1657 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
1658 * gcc/ipa-reference.c (static_execute): Ditto.
1659 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
1660 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
1661 (rest_of_handle_machine_reorg): Ditto.
1662 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
1663 * gcc/flow.c (recompute_reg_usage): Ditto.
1664 (rest_of_handle_remove_death_notes): Ditto.
1665 (rest_of_handle_life): Ditto.
1666 (rest_of_handle_flow2): Ditto.
1667 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
1668 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
1669 (do_ssa_store_ccp): Ditto.
1670 (execute_fold_all_builtins): Ditto.
1671 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
1672 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
1673 * gcc/ipa-pure-const.c (static_execute): Ditto.
1674 * gcc/cse.c (rest_of_handle_cse): Ditto.
1675 (rest_of_handle_cse2): Ditto.
1676 * gcc/web.c (rest_of_handle_web): Ditto.
1677 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
1678 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
1679 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
1680 * gcc/tree-nrv.c (tree_nrv): Ditto.
1681 (execute_return_slot_opt): Ditto.
1682 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
1683 (create_structure_vars): Ditto.
1684 * gcc/loop-init.c (rtl_loop_init): Ditto.
1685 (rtl_loop_done): Ditto.
1686 (rtl_move_loop_invariants): Ditto.
1687 (rtl_unswitch): Ditto.
1688 (rtl_unroll_and_peel_loops): Ditto.
1689 (rtl_doloop): Ditto.
1690 * gcc/gimple-low.c (lower_function_body): Ditto.
1691 (mark_used_blocks): Ditto.
1692 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
1693 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
1694 (cgraph_early_inlining): Ditto.
1695 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
1696 * gcc/jump.c (cleanup_barriers): Ditto.
1697 (purge_line_number_notes): Ditto.
1698 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
1699 (rest_of_handle_if_after_reload): Ditto.
1700 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
1701 (tree_ssa_loop_im): Ditto.
1702 (tree_ssa_loop_unswitch): Ditto.
1703 (tree_vectorize): Ditto.
1704 (tree_linear_transform): Ditto.
1705 (tree_ssa_loop_ivcanon): Ditto.
1706 (tree_ssa_empty_loop): Ditto.
1707 (tree_ssa_loop_bounds): Ditto.
1708 (tree_complete_unroll): Ditto.
1709 (tree_ssa_loop_prefetch): Ditto.
1710 (tree_ssa_loop_ivopts): Ditto.
1711 (tree_ssa_loop_done): Ditto.
1712 * gcc/predict.c (tree_estimate_probability): Ditto.
1713 * gcc/recog.c (split_all_insns_noflow): Ditto.
1714 (rest_of_handle_peephole2): Ditto.
1715 (rest_of_handle_split_all_insns): Ditto.
1716 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
1717 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
1718 (rest_of_handle_stack_adjustments): Ditto.
1719 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
1720 * gcc/function.c (instantiate_virtual_regs): Ditto.
1721 (init_function_for_compilation): Ditto.
1722 (rest_of_handle_check_leaf_regs): Ditto.
1723 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
1724 (rest_of_handle_gcse): Ditto.
1725 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
1726 * gcc/alias.c (rest_of_handle_cfg): Ditto.
1727 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
1728 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
1729 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
1730 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
1731 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
1732 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
1733 * gcc/except.c (set_nothrow_function_flags): Ditto.
1734 (convert_to_eh_region_ranges): Ditto.
1735 (rest_of_handle_eh): Ditto.
1736 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
1737 (remove_unnecessary_notes): Ditto.
1738 * gcc/except.h (set_nothrow_function_flags): Ditto.
1739 (convert_to_eh_region_ranges): Ditto.
1740 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
1741 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
1742 * gcc/tree-ssa-pre.c (do_pre): Ditto.
1743 (execute_fre): Ditto.
1744 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
1745 (rest_of_handle_jump2): Ditto.
1746 * gcc/tree-sra.c (tree_sra): Ditto.
1747 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
1748 (execute_mudflap_function_decls): Ditto.
1749 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
1750 (do_store_copy_prop): Ditto.
1751 * gcc/ipa-prop.h (ipcp_driver): Ditto.
1752 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
1753 * gcc/tree-ssa-forwprop.c
1754 (tree_ssa_forward_propagate_single_use_vars): Ditto.
1755 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
1756 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
1757 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
1758 (execute_late_warn_uninitialized): Ditto.
1759 * gcc/rtl.h (cleanup_barriers): Ditto.
1760 (split_all_insns_noflow): Ditto.
1761 (purge_line_number_notes): Ditto.
1762 (unshare_all_rtl): Ditto.
1763 (remove_unnecessary_notes): Ditto.
1764 (recompute_reg_usage): Ditto.
1765 (variable_tracking_main): Ditto.
1766 * gcc/integrate.c (emit_initial_value_sets): Ditto.
1767 * gcc/integrate.h (emit_initial_value_sets): Ditto.
1768 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
1769 (execute_free_cfg_annotations): Ditto.
1770 (execute_fixup_cfg): Ditto.
1771 (execute_cleanup_cfg_pre_ipa): Ditto.
1772 (execute_cleanup_cfg_post_optimizing): Ditto.
1773 (execute_init_datastructures): Ditto.
1774 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
1775 * gcc/combine.c (rest_of_handle_combine): Ditto.
1776 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
1777 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
1778 (rest_of_handle_reorder_blocks): Ditto.
1779 (rest_of_handle_partition_blocks): Ditto.
1780 * gcc/var-tracking.c (variable_tracking_main): Ditto.
1781 * gcc/tree-profile.c (tree_profiling): Ditto.
1782 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
1783 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
1784 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
1785 (rest_of_handle_sched2): Ditto.
1786 * gcc/basic-block.h (free_bb_insn): Ditto.
1787 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
1788 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
1789 (remove_useless_stmts): Ditto.
1790 (split_critical_edges): Ditto.
1791 (execute_warn_function_return): Ditto.
1792 (execute_warn_function_noreturn): Ditto.
1793 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
1794 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
1795 * gcc/passes.c (execute_one_pass): Run additional
1796 todos returned by execute function.
1797 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
1800 2006-03-02 Richard Guenther <rguenther@suse.de>
1802 * tree-ssa-alias.c (find_used_portions): Consider taking
1803 the address as making the variable not write-only.
1805 2006-03-02 Nick Clifton <nickc@redhat.com>
1807 * config.gcc (default_use_cxa_atexit): Extend the description of
1808 this configure variable. Set its default value to "yes" for
1809 Linux, NetBSD and ELF targets on the assumption that they will
1810 use C libraries with the __cxa_atexit function.
1812 2006-03-02 Ben Elliston <bje@au.ibm.com>
1814 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
1815 parameter as unused to suppress a build warning.
1817 2006-03-02 Ben Elliston <bje@au.ibm.com>
1819 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
1822 2006-03-01 Roger Sayle <roger@eyesopen.com>
1825 * gthr-posix.h (__gthrw2): Define to take three parameters, the
1826 declared name, the weak reference name, and the typeof name.
1827 (__gthrw): Avoid expanding the declared name suffix.
1828 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
1830 2006-03-01 Jakub Jelinek <jakub@redhat.com>
1832 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
1834 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
1835 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
1836 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
1837 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
1838 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
1839 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
1840 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
1841 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
1842 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
1843 DW_DS_leading_separate, DW_DS_trailing_separate): New.
1844 (DW_END_default, DW_END_big, DW_END_little): New.
1845 (DW_END_lo_user, DW_END_hi_user): Define.
1846 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
1847 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
1848 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
1851 2006-03-01 Diego Novillo <dnovillo@redhat.com>
1853 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
1855 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
1857 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
1859 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
1861 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
1862 to 'symbol_mem_tag'.
1864 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
1867 2006-03-01 Roger Sayle <roger@eyesopen.com>
1869 * builtins.c (fold_builtin_copysign): Delete unreachable code.
1871 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
1874 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
1875 MACHO_DYNAMIC_NO_PIC_P.
1876 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
1878 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
1881 * config/darwin-protos.h (darwin_asm_output_anchor):
1883 * config/darwin-sections.def (cstring_section):
1884 Add SECTION_MERGE to the flags.
1885 (literal4_section): Likewise.
1886 (literal8_section): Likewise.
1887 (objc_selector_refs_section): Likewise.
1888 (objc_cls_refs_section): Likewise.
1889 * config/darwin.c (darwin_asm_output_anchor): New
1891 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
1893 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
1895 Fix PR tree-optimization/26443
1896 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
1897 to todo and PROP_tmt_usage to properties_destroyed.
1898 * tree-ssa-ccp.c (pass_ccp): Ditto.
1899 (pass_store_ccp): Ditto.
1900 * tree-ssa-dom.c (pass_dominator): Ditto.
1902 2006-03-01 Diego Novillo <dnovillo@redhat.com>
1904 * tree-ssa-operands.c: Cleanup whitespace.
1905 (get_asm_expr_operands): Move before first invocation.
1906 (get_indirect_ref_operands): Likewise.
1907 (get_tmr_operands): Likewise.
1908 (get_call_expr_operands): Likewise.
1909 (append_def): Likewise.
1910 (append_use): Likewise.
1911 (append_v_may_def): Likewise.
1912 (append_v_must_def): Likewise.
1913 (add_call_clobber_ops): Likewise.
1914 (add_call_read_ops): Likewise.
1915 (add_stmt_operand): Likewise.
1916 (add_virtual_operand): Likewise.
1917 (build_ssa_operands): Likewise.
1919 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
1924 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
1925 with a call expr to ...
1926 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
1928 2006-03-01 Diego Novillo <dnovillo@redhat.com>
1930 * tree-vrp.c (extract_range_from_assert): Remove special
1931 handling for types with super-types.
1933 2006-03-01 Ben Elliston <bje@au.ibm.com>
1935 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
1936 and powerpc64-*-linux* configurations.
1937 * config/t-dfprules: New file.
1939 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
1940 Compile dfp-bit.c from the source directory using -DWIDTH and
1941 $DFP_CFLAGS to control the compilation of that file, rather than
1942 generating width-specific versions in the build directory.
1943 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
1944 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
1946 2006-02-28 Zack Weinberg <zackw@panix.com>
1948 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
1951 2006-02-28 Eric Christopher <echristo@apple.com>
1953 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
1954 Set up IN_LIBGCC definition of TARGET_64BIT.
1955 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
1957 2006-02-28 Roger Sayle <roger@eyesopen.com>
1960 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
1961 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
1962 cases via the construction of "expr != 0".
1964 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
1966 * alias.c (alias_invariant, alias_invariant_size): Remove.
1967 (record_base_value): Remove.
1968 (memrefs_conflict_p): Don't look at alias_invariant.
1969 (end_alias_analysis): Don't free it.
1970 * alias.h (record_base_value): Remove prototype.
1972 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
1973 Adam Nemet <anemet@caviumnetworks.com>
1975 * rtl.h (truncated_to_mode): Declare it.
1976 (struct rtl_hooks): Add reg_truncated_to_mode hook.
1977 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
1978 (RTL_HOOKS_INITIALIZER): Include it.
1979 * rtlhooks.c (reg_truncated_to_mode_general): New function.
1980 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
1981 reg_truncated_to_mode.
1982 * rtlanal.c (truncated_to_mode): Define it.
1983 * simplify-rtx.c (simplify_unary_operation_1): Use it.
1985 2006-02-28 Jeff Law <law@redhat.com>
1987 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
1988 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
1989 the range allowed by TYPE_PRECISION.
1991 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
1993 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
1995 PR tree-optimization/26419
1996 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
1999 2006-02-27 Zack Weinberg <zackw@panix.com>
2001 * doc/md.texi: Fix typo in previous change.
2003 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
2007 2006-02-27 Zack Weinberg <zackw@panix.com>
2009 * rtl.def (define_constraint, define_register_constraint)
2010 (define_memory_constraint, define_address_constraint): New MD forms.
2011 * gensupport.c (process_rtx): Put define_constraint etc on the
2013 * genpreds.c (process_define_predicate): Adjust comment. Validate
2014 the name, and call validate_exp to validate the expression.
2015 (mark_mode_tests, write_extract_subexp): Can assume correct input.
2016 (write_predicate_expr): Likewise. NAME argument no longer necessary;
2017 all callers changed.
2018 (validate_exp, needs_variable, struct constraint_data)
2019 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
2020 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
2021 (const_dbl_constraints, constraint_max_namelen)
2022 (have_register_constraints, have_memory_constraints)
2023 (have_address_constraints, have_address_constraints)
2024 (have_extra_constraints, have_const_int_constraints)
2025 (have_const_dbl_constraints, mangle, add_constraint)
2026 (process_define_constraint, process_define_register_constraint)
2027 (write_enum_constraint_num, write_lookup_constraint)
2028 (write_insn_constraint_len, write_regclass_for_constraint)
2029 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
2030 (write_insn_extra_memory_constraint)
2031 (write_insn_extra_address_constraint)
2032 (write_satisfies_constraint_fns): New.
2033 (write_tm_preds_h): If we have new-style constraint definitions,
2034 prototype the functions generated from them, and define the
2035 old constraint interface (still used by generic code) in terms of
2037 (write_insn_preds_c): If we have new-style constraint definitions,
2038 generate all relevant functions from those definitions.
2039 (main): Handle define_constraint etc.
2040 * genoutput.c (struct constraint_data, indep_constraints)
2041 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
2042 (mdep_constraint_len): New data structures and functions, defined
2043 #ifdef USE_MD_CONSTRAINTS.
2044 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
2045 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
2046 use new logic to validate operand constraints against constraint
2048 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
2050 * defaults.h: If none of the old-style constraint macros are
2051 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
2052 old-style macros; and poison REG_CLASS_FROM_LETTER,
2053 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
2055 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
2056 * doc/md.texi: Document new constraint-definition mechanism and the
2057 C interface it provides. Remove references to old mechanism
2058 elsewhere in the document.
2059 (Machine Constraints): Use pathnames relative to gcc directory,
2060 i.e. config/ARCH/FILE. Change i386 section to refer to
2061 config/i386/predicates.md; update that section to match docstrings.
2062 * doc/tm.texi: Move all documentation of the old constraint-
2063 definition macros to their own section, clearly mark as obsolete.
2065 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
2066 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
2068 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
2069 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
2070 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
2072 (splits and peepholes): Use satisfies_constraint_*.
2073 * config/i386/i386.c (memory_address_length)
2074 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
2076 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
2078 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
2079 scalar operation to be put back into the loop.
2081 2006-02-27 Jakub Jelinek <jakub@redhat.com>
2084 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
2085 (extract_cie_info): Handle S flag in augmentation string.
2086 (execute_cfa_program): If context->signal_frame, execute also
2087 fs->pc == context->ra instructions.
2088 (uw_frame_state_for): If context->signal_frame, don't subtract one
2089 from context->ra to find FDE.
2090 (uw_update_context_1): Set context->signal_frame to
2092 (_Unwind_GetIPInfo): New function.
2093 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
2094 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
2096 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
2097 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
2098 * unwind-compat.c (_Unwind_GetIPInfo): New function.
2099 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
2100 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
2101 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
2102 * config/i386/linux-unwind.h (x86_fallback_frame_state,
2103 x86_64_fallback_frame_state): Set fs->signal_frame.
2104 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
2105 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
2106 (frob_update_context): Likewise. Workaround missing S flag in
2107 Linux 2.6.12 - 2.6.16 kernel vDSOs.
2108 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
2109 Remove the psw_addr + 1 hack.
2111 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
2113 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
2114 with aggregates here.
2115 (find_func_aliases): Remove code for &<aggregate> from here.
2117 2006-02-26 Roger Sayle <roger@eyesopen.com>
2119 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
2120 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
2121 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
2124 2006-02-26 Roger Sayle <roger@eyesopen.com>
2127 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
2129 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
2131 * opts.c (decode_options): Do not handle flag_strength_reduce.
2132 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
2133 and OPT_fstrength_reduce.
2134 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
2135 flag_prefetch_loop_arrays for being nonzero.
2136 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
2138 (fprefetch-loop-arrays-rtl): Removed.
2139 (flag_prefetch_loop_arrays): Do not specify the value.
2141 * doc/passes.texi: Update documentation of loop optimizer
2143 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
2144 -frerun-loop-opt): Remove.
2146 2006-02-26 Richard Guenther <rguenther@suse.de>
2148 PR tree-optimization/26421
2149 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
2150 in function calls that are ADDR_EXPRs as using the whole structure.
2152 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
2154 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
2155 * tree-pass.h (pass_loop_optimize): Remove.
2156 * passes.c (pass_loop_optimize): Never run it.
2157 * toplev.c (backend_init): Don't call init_loop.
2158 * opts.c (flag_loop_optimize_set): Remove.
2159 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
2160 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
2161 the old RTL loop optimizer when profiling enabled.
2162 * predict.c (tree_estimate_probability): Always strip builtin_expect.
2163 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
2164 pre-headers for the sake of the old RTL loop optimizer.
2165 * Makefile.in: Remove all references to loop.o.
2167 * doc/invoke.texi: Remove all references to -floop-optimize
2168 and -frerun-loop-opt.
2170 2006-02-26 Zack Weinberg <zackw@panix.com>
2172 * doc/md.texi (Machine Constraints): Refer to all files with paths
2173 relative to gcc directory (i.e. config/CPU/file). Add missing
2174 @table @code ... @end table to M32C subsection.
2176 2006-02-26 Roger Sayle <roger@eyesopen.com>
2178 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
2180 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
2182 2006-02-26 Roger Sayle <roger@eyesopen.com>
2183 James A. Morrison <phython@gcc.gnu.org>
2186 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
2187 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
2188 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
2189 signedness of the shift operation.
2191 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
2193 PR tree-optimization/26359
2194 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
2196 2006-02-25 Roger Sayle <roger@eyesopen.com>
2198 * simplify-rtx.c (simplify_relational_operation_1): Simplify
2199 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
2200 as X == 0, and some symmetry related transformations.
2201 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
2203 2006-02-25 Roger Sayle <roger@eyesopen.com>
2206 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
2207 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
2208 symmetry related transformations. Fold (X^C1) == C2 as
2211 2006-02-25 Juergen Weigert <jw@suse.de>
2212 Richard Guenther <rguenther@suse.de>
2214 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
2216 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
2218 * combine.c (gen_lowpart_or_truncate): Call
2219 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
2221 2006-02-24 Diego Novillo <dnovillo@redhat.com>
2223 * doc/invoke.texi: Move -fopenmp description to "Options for
2225 Remove reference to -lgomp.
2227 2006-02-24 David Edelsohn <edelsohn@gnu.org>
2229 * doc/install.texi: Require GNU tar version 1.14.
2231 2006-02-24 Geoffrey Keating <geoffk@apple.com>
2233 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
2234 * doc/invoke.texi (C++ Dialect Options): Document
2235 -fno-use-cxa-get-exception-ptr.
2236 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
2237 * configure: Regenerate.
2238 * c.opt (fuse-cxa-get-exception-ptr): New.
2239 * c-opts.c (c_common_handle_option): Handle
2240 OPT_fuse_cxa_get_exception_ptr.
2241 * c-common.c (flag_use_cxa_atexit): Update documentation.
2242 (flag_use_cxa_get_exception_ptr): New.
2243 * c-common.h (flag_use_cxa_get_exception_ptr): New.
2244 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
2246 (C_COMMON_OVERRIDE_OPTIONS): New.
2248 2006-02-24 Roger Sayle <roger@eyesopen.com>
2251 * combine.c (try_combine): Explicitly check whether GET_CODE is
2252 a SET or a CLOBBER, instead on checking that it isn't a USE.
2254 2006-02-24 Roger Sayle <roger@eyesopen.com>
2256 * fold-const.c (fold_comparison): New subroutine of fold_binary
2257 containing transformations common to both the equality and
2258 ordering relational operators, factored out of fold_binary.
2259 (fold_binary): Separate out the equality operators (EQ_EXPR
2260 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
2261 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
2262 transformations common to both.
2263 (fold_div_compare): Fix latent bugs in the previously unreachable
2264 LT_EXPR and GE_EXPR cases.
2266 2006-02-24 David Edelsohn <edelsohn@gnu.org>
2268 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
2269 decl libname for clog to __clog on AIX.
2271 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
2273 2006-02-24 Alan Modra <amodra@bigpond.net.au>
2276 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
2277 output traceback table for thunks. Localise rs6000_stack_info call.
2279 2006-02-23 Roger Sayle <roger@eyesopen.com>
2280 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2282 * gthr-posix.h (__gthrw): Fix typo in comment.
2284 2006-02-23 Geoffrey Keating <geoffk@apple.com>
2286 * doc/cpp.texi (Character sets): Document that we do support
2287 input files to be in any character set.
2289 2006-02-23 Jeff Law <law@redhat.com>
2291 * tree.h (PHI_ARG_NONZERO): Remove.
2292 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
2293 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
2294 node to the new node.
2296 PR tree-optimization/26425
2297 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
2298 min/max, then assume its varying.
2300 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
2302 PR rtl-optimization/26316
2303 * rtlanal.c (enum may_trap_p_flags): New.
2304 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
2305 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
2306 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
2307 (may_trap_after_code_motion_p): New function.
2308 * loop-invariant.c (find_identical_invariants): Fix dump formating.
2309 (find_invariant_insn): Use may_trap_after_code_motion_p.
2310 * rtl.h (may_trap_after_code_motion_p): Declare.
2312 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
2314 * emit-rtl.c (immed_double_const): Cleanup.
2316 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
2318 Fix PR tree-optimization/26376
2319 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
2322 2006-02-23 Jakub Jelinek <jakub@redhat.com>
2325 * gimplify.c (omp_add_variable): Guard variable size decl test with
2326 DECL_SIZE (decl) check.
2328 2006-02-23 Richard Guenther <rguenther@suse.de>
2331 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
2332 like aggregate types.
2334 2006-02-23 Jakub Jelinek <jakub@redhat.com>
2336 * configure.ac: Add --with{,out}-long-double-128 configure option.
2337 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
2338 * configure: Rebuilt.
2339 * config.in: Rebuilt.
2340 * doc/install.texi (Options specification): Document
2341 --with-long-double-128.
2343 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
2344 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
2345 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
2346 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
2348 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
2350 * config/s390/s390.c (override_options): Handle
2351 TARGET_DEFAULT_LONG_DOUBLE_128.
2353 * config/alpha/alpha.c (override_options): Handle
2354 TARGET_DEFAULT_LONG_DOUBLE_128.
2356 * config/sparc/sparc.c (sparc_override_options): Handle
2357 TARGET_DEFAULT_LONG_DOUBLE_128.
2359 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
2361 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
2362 (real-install-headers-tar, real-install-headers-cpio)
2363 (real-install-headers-cp): New targets.
2365 2006-02-22 Richard Sandiford <richard@codesourcery.com>
2367 * tree.h (variable_section): Delete.
2368 * varasm.c (variable_section): Delete.
2370 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
2372 * install.texi: Add notes on install.texi2html.
2373 (Building in parallel): Do not use footnotes.
2375 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
2378 * doc/install.texi (Configuration): Document --disable-libgomp.
2380 2006-02-21 Geoffrey Keating <geoffk@apple.com>
2382 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
2384 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
2386 * config/i386/sse.md (vec_extractv2df_1_sse): New.
2387 (vec_extractv2df_0_sse): New.
2389 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
2391 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
2392 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
2393 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
2394 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
2395 to the result of the expression.
2396 (def_cfa_1): Adjust.
2397 (frame_pointer_cfa_offset): Rename to...
2398 (frame_pointer_fb_offset): ... this. Adjust all uses.
2399 (convert_cfa_to_loc_list): Rename to...
2400 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
2401 Pass it on to build_cfa_loc.
2402 (compute_frame_pointer_to_cfa_displacement): Rename to...
2403 (compute_frame_pointer_to_fb_displacement): ... this. New
2404 offset parameter. Use it in computation.
2405 (gen_subprogram_die): Compute cfa_fb_offset with the new
2406 macro, and use it to compute the fb loc list and the
2409 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
2411 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
2412 replaced with register_operand.
2413 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
2414 non-DREG is expensive.
2415 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
2416 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
2419 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
2421 * doc/install.texi2html: Use set -e.
2423 2006-02-21 Richard Sandiford <richard@codesourcery.com>
2425 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
2426 (ASM_OUTPUT_SHARED_LOCAL): Delete.
2427 * doc/invoke.texi (-fshared-data): Delete.
2428 * common.opt (fshared-data): Delete.
2429 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
2430 (assemble_static_space): Remove #if 0 code.
2431 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
2432 (ASM_OUTPUT_SHARED_LOCAL): Poison.
2433 * config/cris/cris.h: Remove FIXME.
2435 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
2437 * doc/sourcebuild.texi (Front End Directory): No more double-colon
2440 2006-02-21 Jakub Jelinek <jakub@redhat.com>
2443 * combine.c (simplify_shift_const_1): Disable nested shifts
2444 optimization for vector shifts.
2446 2006-02-20 Roger Sayle <roger@eyesopen.com>
2448 PR tree-optimization/26361
2449 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
2450 of unsigned integer types.
2452 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
2454 * tree-chrec.c (eq_evolutions_p): New.
2455 * tree-chrec.h (eq_evolutions_p): Declared.
2456 * tree-data-ref.c: Fix formatting.
2457 (datadep_stats, dependence_stats): New.
2459 (print_direction_vector): New.
2460 (dump_data_dependence_relation): Use print_direction_vector.
2461 (object_analysis, create_data_ref): Handle COMPONENT_REF.
2462 (compute_subscript_distance): Static.
2463 (initialize_data_dependence_relation): Static. Get the number
2464 of loops surrounding the references from the callers, and initialize
2465 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
2466 base_object_differ_p analyzers.
2467 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
2468 compute_overlap_steps_for_affine_1_2,
2469 analyze_subscript_affine_affine): Count the classified dependences.
2470 Print a message when a test failed.
2471 (can_use_analyze_subscript_affine_affine): New.
2472 (analyze_siv_subscript): Compute the data dependences on symbolic
2473 scevs that verify can_use_analyze_subscript_affine_affine.
2474 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
2475 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
2476 Handle symbolic scevs.
2477 (analyze_overlapping_iterations): Let symbolic affine scevs to be
2479 (subscript_dependence_tester): Moved...
2480 (build_classic_dist_vector, build_classic_dir_vector): Don't use
2481 lambda_vector_clear on newly allocated vectors. Get nb_loops from
2482 DDR_SIZE_VECT instead of getting it in parameter.
2483 (subscript_dependence_tester): ... here. Take as a parameter
2484 loop_nest_depth. Call build_classic_dist_vector and
2485 build_classic_dir_vector.
2486 (compute_affine_dependence): Update subscript_dependence_tester
2487 parameters. Update datadep_stats counters. Call
2488 compute_subscript_distance.
2489 (compute_self_dependence): Save the dist and dir vectors. Call
2490 compute_subscript_distance.
2491 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
2492 (compute_all_dependences): Reorder parameters as they were before
2493 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
2494 compute_subscript_distance. Update the use of
2495 compute_affine_dependence and initialize_data_dependence_relation.
2496 (find_data_references_in_loop): Handle COMPONENT_REF.
2497 (compute_data_dependences_for_loop): Initialize dependence_stats.
2498 Don't call build_classic_dist_vector and build_classic_dir_vector.
2499 Update the parameters of initialize_data_dependence_relation and
2500 compute_all_dependences. Print the statistics from datadep_stats.
2501 (analyze_all_data_dependences): Static. Not used until the pass for
2502 checking the data dependences is contributed.
2503 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
2504 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
2505 (initialize_data_dependence_relation, compute_affine_dependence,
2506 analyze_all_data_dependences, compute_subscript_distance): Removed.
2507 (print_direction_vector): New.
2508 * lambda.h (gcd): ... here.
2509 (lambda_vector_gcd): Moved here from gcd_vector.
2510 * lambda-code.c (gcd, gcd_vector): Removed.
2511 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
2512 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
2514 2006-02-20 Diego Novillo <dnovillo@redhat.com>
2516 * ipa-type-escape.c: Tidy some comments and white space.
2517 * tree-ssa-operands.c: Likewise.
2519 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
2522 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
2523 (dump_decl_name): Do not walk the decl tree chains.
2524 * tree-pass.h (TDF_CHAIN): Remove.
2526 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
2528 * Makefile.in (C): Remove
2530 (.PHONY): Remove C and PROTO
2532 2006-02-20 Roger Sayle <roger@eyesopen.com>
2535 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
2536 deprecated CHAR_TYPE tree code.
2538 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
2540 * configure.ac (target_list): Add install-info, dvi, html.
2541 * configure: Regenerate.
2543 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
2544 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
2545 treelang/Make-lang.in: Do not use double-colon rules.
2547 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
2549 * tree.h (struct tree_memory_tag): Add is_used_alone member.
2550 (TMT_USED_ALONE): New macro.
2551 * tree-pass.h (PROP_tmt_usage): New property.
2552 (TODO_update_tmt_usage): New todo.
2553 * tree-ssa-alias.c (updating_used_alone): New variable.
2554 (recalculate_used_alone): New function.
2555 (compute_may_aliases): Set updating_used_alone, call
2556 recalculate_used_alone.
2557 * tree-sra.c (pass_sra): Note that this pass destroys
2558 PROP_tmt_usage, and add TODO_update_tmt_usage.
2559 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
2560 * tree-flow.h (updating_used_alone): Prototype.
2561 (recalculate_used_alone): Ditto.
2562 * passes.c (execute_todo): Add code to set updating_used_alone,
2563 and call recalculate.
2564 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
2565 for clobber if used alone, and add assert to verify used_alone
2568 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
2570 * config/s390/s390.c (legitimize_pic_address): Assertions checking
2571 for non tls symbols added.
2572 (legitimize_address): Do nothing for PLUS expressions if one of the
2573 addends is a tls symbol reference.
2575 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
2579 * Makefile.in (LDFLAGS): Define from autoconf substitution.
2581 * Makefile.in (BOOTSTRAPPING): New.
2582 (quickstrap): New definition if BOOTSTRAPPING=yes.
2584 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
2585 * configure.ac: Substitute all_selected_languages with the languages
2586 that were configured. For all the other variables except
2587 lang_specs_files, include all the languages in the tree.
2588 * configure: Regenerate.
2590 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
2591 if there is one. Run the commands to run fixincludes in the same
2594 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
2595 * doc/install.texi: Document exact conventions for searching target tools.
2596 Document --with-build-time-tools. Document toplevel bootstrap. Document
2597 something more about building an Ada cross-compiler. Don't list GNU Make
2598 requirements which affect all platforms.
2600 2006-02-19 Roger Sayle <roger@eyesopen.com>
2603 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
2604 only equivalent if the have both the same mode and precision.
2606 2006-02-20 Ben Elliston <bje@au.ibm.com>
2608 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
2610 2006-02-19 Roger Sayle <roger@eyesopen.com>
2611 Steven Bosscher <stevenb.gcc@gmail.com>
2613 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
2614 constant pool references to identify stack mode constants.
2615 * rtlanal.c (constant_pool_constant_p): New predicate to check
2616 whether operand is a floating point constant in the pool.
2617 * rtl.h (constant_pool_constant_p): Prototype here.
2618 * loop.c (scan_loop): Avoid hoisting constants from the constant
2619 pool on STACK_REGS targets.
2620 (load_mems): Likewise.
2621 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
2622 loads into x87 registers expensive in terms of register pressure.
2624 2006-02-19 Roger Sayle <roger@eyesopen.com>
2626 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
2627 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
2629 2006-02-19 David Edelsohn <edelsohn@gnu.org>
2631 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
2632 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
2634 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
2636 * doc/invoke.texi: Document -fipa-pta.
2637 * common.opt: Add ipa-pta option.
2638 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
2639 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
2640 (do_ds_constraint): Ditto.
2641 (get_constraint_for): Only add to referenced_vars if
2642 referenced_vars exists.
2643 (insert_into_field_list): Rewrite to do this unsorted.
2644 (insert_into_field_list_sorted): Rename old insert_into_field_list
2646 (create_function_info_for): Use insert_into_field_list_sorted.
2647 (create_variable_info_for): Rewrite so it uses unsorted version,
2648 since the field list is sorted.
2649 (intra_create_variable_infos): Only add to referenced_vars if
2650 referenced_vars exists.
2651 (ipa_pta_execute): Init heapvars, and delete when done.
2652 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
2654 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2656 * doc/install.texi: Add missing `@samp'.
2658 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
2660 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
2663 2006-02-18 Mark Wielaard <mark@klomp.org>
2665 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
2666 who added new 4.1 features, bug fixes and integration support.
2668 2006-02-18 David Edelsohn <edelsohn@gnu.org>
2671 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
2674 2006-02-18 Richard Sandiford <richard@codesourcery.com>
2676 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
2677 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
2678 (copy_insn_1): Likewise. Don't copy each field individually.
2680 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
2682 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
2683 * rtl.c (rtx_size): Rename variable to...
2684 (rtx_code_size): ...this.
2685 (rtx_size): New function.
2686 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
2687 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
2689 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
2690 * rtl.h (rtx_code_size): New variable.
2691 (rtx_size): Change from a variable to a function.
2692 (RTX_SIZE): Rename to...
2693 (RTX_CODE_SIZE): ...this.
2696 PR tree-optimization/17106
2697 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
2698 (Anchored Addresses): New section.
2699 * doc/invoke.texi (-fsection-anchors): Document.
2700 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
2701 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
2702 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
2703 * hooks.c (hook_bool_mode_rtx_false): New function.
2704 * hooks.h (hook_bool_mode_rtx_false): Declare.
2705 * gengtype.c (create_optional_field): New function.
2706 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
2707 SYMBOL_REF_IN_BLOCK_P is true.
2708 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
2709 (min_anchor_offset, max_anchor_offset): Likewise.
2710 (use_anchors_for_symbol_p): New hook.
2711 * toplev.c (compile_file): Call output_object_blocks.
2712 (target_supports_section_anchors_p): New function.
2713 (process_options): Check that -fsection-anchors is only used on
2714 targets that support it and when -funit-at-a-time is in effect.
2715 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
2716 if the decl doesn't have one.
2717 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
2718 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
2719 of force_const_mem through use_anchored_address.
2720 (expand_expr_constant): New function.
2721 (expand_expr_addr_expr_1): Call it. Use the same modifier when
2722 calling expand_expr for INDIRECT_REF.
2723 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
2724 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
2725 * expr.h (use_anchored_address): Declare.
2726 * loop-unroll.c: Don't declare rtx vectors here.
2727 * explow.c: Include output.h.
2728 (validize_mem): Call use_anchored_address.
2729 (use_anchored_address): New function.
2730 * common.opt (-fsection-anchors): New switch.
2731 * varasm.c (object_block_htab, anchor_labelno): New variables.
2732 (hash_section, object_block_entry_eq, object_block_entry_hash)
2733 (use_object_blocks_p, get_block_for_section, create_block_symbol)
2734 (use_blocks_for_decl_p, change_symbol_section): New functions.
2735 (get_variable_section): New function, split out from assemble_variable.
2736 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
2737 use_blocks_for_decl_p say so. Use change_symbol_section if the
2738 symbol has already been created.
2739 (assemble_variable_contents): New function, split out from...
2740 (assemble_variable): ...here. Don't output any code for
2741 block symbols; just pass them to place_block_symbol.
2742 Use get_variable_section and assemble_variable_contents.
2743 (get_constant_alignment, get_constant_section, get_constant_size): New
2744 functions, split from output_constant_def_contents.
2745 (build_constant_desc): Create a block symbol if use_object_blocks_p
2746 says so. Or into SYMBOL_REF_FLAGS.
2747 (assemble_constant_contents): New function, split from...
2748 (output_constant_def_contents): ...here. Don't output any code
2749 for block symbols; just pass them to place_section_symbol.
2750 Use get_constant_section and get_constant_alignment.
2751 (force_const_mem): Create a block symbol if use_object_blocks_p and
2752 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
2753 (output_constant_pool_1): Add an explicit alignment argument.
2754 Don't switch sections here.
2755 (output_constant_pool): Adjust call to output_constant_pool_1.
2756 Switch sections here instead. Don't output anything for block symbols;
2757 just pass them to place_block_symbol.
2758 (init_varasm_once): Initialize object_block_htab.
2759 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
2760 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
2761 (place_block_symbol, get_section_anchor, output_object_block)
2762 (output_object_block_htab, output_object_blocks): New functions.
2763 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
2764 (TARGET_ASM_OUT): Include it.
2765 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
2766 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
2767 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
2768 (TARGET_INITIALIZER): Include them.
2769 * rtl.c (rtl_check_failed_block_symbol): New function.
2770 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
2771 (block_symbol, object_block): New structures.
2772 (rtx_def): Add a block_symbol field to the union.
2773 (BLOCK_SYMBOL_CHECK): New macro.
2774 (rtl_check_failed_block_symbol): Declare.
2775 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
2776 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
2777 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
2778 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
2779 * output.h (output_section_symbols): Declare.
2780 (object_block): Name structure.
2781 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
2782 (default_use_anchors_for_symbol_p): Declare.
2783 * Makefile.in (RTL_BASE_H): Add vec.h.
2784 (explow.o): Depend on output.h.
2785 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
2786 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
2787 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
2788 (rs6000_use_blocks_for_constant_p): New function.
2790 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2792 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
2794 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
2797 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
2800 2006-02-18 Diego Novillo <dnovillo@redhat.com>
2802 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
2806 2006-02-18 Jakub Jelinek <jakub@redhat.com>
2809 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
2810 instead of DECL_REGISTER.
2812 2006-02-18 Olivier Hainque <hainque@adacore.com>
2815 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
2817 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
2820 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
2821 * opth-gen.awk: Handle Var and InverseMask together.
2822 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
2823 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
2824 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
2825 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
2827 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
2828 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
2829 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
2830 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
2831 LINUX_DYNAMIC_LINKER): Define.
2832 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
2833 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
2835 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2836 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
2837 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2838 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2839 (TARGET_C99_FUNCTIONS): Don't define.
2840 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
2841 GLIBC_DYNAMIC_LINKER.
2842 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
2843 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
2844 GLIBC_DYNAMIC_LINKER64): Define.
2845 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
2846 LINUX_DYNAMIC_LINKER64.
2847 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2848 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2849 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
2850 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2851 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2852 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2853 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
2854 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
2855 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
2856 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
2857 and LINUX_DYNAMIC_LINKER32.
2858 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2859 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2860 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
2861 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2862 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
2864 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
2865 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
2866 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
2867 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
2868 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
2869 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
2870 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
2871 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
2872 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
2873 LINUX_DYNAMIC_LINKER): Define.
2874 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
2875 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
2876 GLIBC_DYNAMIC_LINKER64): Define.
2877 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
2878 LINUX_DYNAMIC_LINKER64.
2879 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2880 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2881 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
2882 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
2883 LINUX_DYNAMIC_LINKER): Define.
2884 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2885 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
2886 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
2887 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
2888 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
2889 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
2890 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
2891 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
2892 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
2893 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2894 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2895 * doc/invoke.texi (-muclibc): Remove caveat about supported
2898 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
2900 * doc/cpp.texi (__TIMESTAMP__): Document.
2902 2006-02-17 Roger Sayle <roger@eyesopen.com>
2905 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
2906 C is one less than the width of X (and related transformations).
2907 * simplify-rtx.c (simplify_unary_operation_1): Transform
2908 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
2909 depending on STORE_FLAG_VALUE, were C is one less then the
2912 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
2914 Fix PR tree-optimization/26341
2915 * tree-ssa-operands.c (add_virtual_operand): Remove assert
2916 about NAME_MEMORY_TAG's.
2918 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2921 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
2922 with hardware float support, and software float support. Add fcpy
2923 alternative to hardware patterns. Add alternatives to copy between
2924 general and floating-point registers to the 32-bit pattern.
2925 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
2926 secondary reload to load a QI or HI mode constant into a floating
2928 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
2929 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
2931 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
2934 * config/rs6000/darwin.md (load_macho_picbase_si): Add
2936 (load_macho_picbase_di): Likewise.
2938 2006-02-16 Jeff Law <law@redhat.com>
2940 * tree-vrp.c (set_value_range_to_nonnegative): New function.
2941 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
2942 (ssa_name_nonzero_p): Likewise.
2943 (get_value_range): Return NULL if VRP is not running.
2944 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
2945 VRP routines do not discover a range.
2946 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
2947 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
2948 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
2949 (tree_expr_nonnegative_p): Similarly.
2950 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
2951 (restore_nonzero_vars_to_original_value): Remove.
2952 (unsafe_associative_fp_binop): Remove.
2953 (tree_ssa_dominator_optimize): Remove initialization and
2954 finalization of nonzero_vars and nonzero_vars_stack.
2955 (dom_opt_initialize_block): No longer push marker on
2957 (dom_opt_finalize_block): No longer call
2958 restore_nonzero_vars_to_original_value.
2959 (record_equivalences_from_phis): No longer look for
2960 nonzero PHI arguments.
2961 (cprop_into_successor_phis): No longer propagate nonzero
2962 property into PHI arguments. Lose unused argument. Caller
2964 (record_equivalences_from_stmt): No longer record nonzero
2965 values for SSA_NAMEs.
2966 (lookup_avail_expr): No longer use nonzero_vars.
2968 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
2969 for sizetype when sizetype is unsigned.
2971 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
2973 PR rtl-optimization/25603
2974 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
2975 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
2976 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
2977 with new meaning of SETS.
2979 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
2984 * config/linux.opt: New file.
2985 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
2986 LINUX_DYNAMIC_LINKER): Define.
2987 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
2988 * config.gcc (*-*-linux*): Define extra_options.
2989 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
2990 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
2991 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
2992 GLIBC_DYNAMIC_LINKER.
2993 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
2994 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2995 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2996 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2997 * doc/invoke.texi (GNU/Linux Options): New section.
2999 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3001 * config/sparc/sparc.md (setjmp): Rewrite.
3002 (setjmp_32): Delete.
3003 (setjmp_64): Likewise.
3005 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
3007 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
3010 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
3012 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
3015 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
3017 PR rtl-optimization/26296
3018 * Makefile.in (loop-invariant.c): Add except.h dependency.
3019 * loop-invariant.c: Include except.h.
3020 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
3022 2005-02-16 Paul Brook <paul@codesourcery.com>
3024 * reload1.c (emit_reload_insns): Invalidate dead input registers used
3027 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
3029 PR rtl-optimization/25636
3030 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
3031 when deciding whether an insn is an initializing insn.
3033 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
3035 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
3036 (tree_code_size): Ditto.
3037 * tree.h (struct tree_memory_tag): Remove parent_var.
3038 (struct tree_struct_field_tag): New.
3041 (union tree_node): Add sft member.
3042 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
3044 (create_sft): Add size and offset argument, set SFT_OFFSET and
3046 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
3047 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
3048 * tree-flow-inline.h (get_subvar_at): Update for
3049 SFT_OFFSET/SFT_SIZE.
3050 (var_can_have_subvars): Ditto.
3051 (overlap_subvar): Ditto.
3052 * print-tree.c (print_node): Print out interesting things for
3054 * tree-flow.h (struct subvar): Remove offset and size members.
3055 * tree-ssa-operands.c (get_expr_operands): Update for
3056 get_indirect_ref_operands changes.
3057 (get_indirect_ref_operands): Call add_virtual_operand instead of
3058 add_stmt_operand. Only recurse on base var if requested.
3059 (access_can_touch_variable): New function.
3060 (add_stmt_operand): Split virtual operand handling into ...
3061 (add_virtual_operand): Here. Add offset, size, and for_clobber
3062 arguments. Prune alias sets.
3063 (add_call_clobber_ops): Call add_virtual_operand.
3065 2006-02-15 Jakub Jelinek <jakub@redhat.com>
3068 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
3070 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
3071 than TREE_CODE as index into omp_clause_num_ops array.
3073 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
3075 PR rtl-optimization/26184
3076 * modulo-sched.c (generate_reg_moves): Free bitmap vector
3078 * modulo-sched.c (sms_schedule): Free g_arr pointer.
3079 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
3080 must_precede, must_follow and tobe_scheduled.
3083 * opts.c (common_handle_option): Free new_option pointer.
3084 * df-core.c (df_analyze): Free postorder pointer.
3086 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
3088 * Makefile.in: Fix the examples about the use of stamps
3090 2006-02-15 Michael Matz <matz@suse.de>
3094 * stor-layout.c (layout_decl): Zero-width bitfields aren't
3095 influenced by maximum_field_alignment or DECL_PACKED.
3096 (update_alignment_for_field): Ditto.
3097 (place_field): Ditto.
3098 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
3101 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
3103 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
3104 (debug_flow_info): Pass it.
3105 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
3106 * bb-reorder.c (reorder_basic_blocks): Likewise.
3107 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
3108 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
3109 * flow.c (life_analysis, recompute_reg_usage): Likewise.
3110 * gcse.c (gcse_main, bypass_jumps): Likewise.
3111 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
3112 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
3113 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
3114 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
3115 * rtl.h (dump_flow_info): Adjust prototype.
3116 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
3117 * var-tracking.c (variable_tracking_main): Likewise.
3118 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
3119 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
3122 2006-02-15 Marcin Dalecki <martin@dalecki.de>
3124 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
3127 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
3129 PR tree-optimization/26209
3130 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
3131 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
3133 * tree-cfg.c (replace_uses_by): Do not alter cfg.
3135 2006-02-14 Roger Sayle <roger@eyesopen.com>
3138 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
3139 (X,Y) and the corresponding symmetry related transformations.
3140 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
3141 (X,Y) and its symmetry related transformations.
3143 2006-02-14 Roger Sayle <roger@eyesopen.com>
3145 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
3148 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
3150 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
3152 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3155 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
3156 support COMDAT group.
3157 * configure: Regenerate.
3159 2006-02-14 Roger Sayle <roger@eyesopen.com>
3164 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
3166 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
3168 Fix PR tree-optimization/26260
3170 * doc/invoke.texi (max-fields-for-field-sensitive): Document
3172 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
3173 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
3174 * tree-ssa-structalias.c (create_variable_info_for): Use
3175 MAX_FIELDS_FOR_FIELD_SENSITIVE.
3177 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
3179 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
3181 * tree-ssa-loop-niter.c (number_of_iterations_ne,
3182 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
3183 of the ending condition.
3184 * tree-ssa-loop-manip.c: Include params.h.
3185 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
3186 tree_unroll_loop): New functions.
3187 * tree-pass.h (pass_loop_prefetch): Declare.
3188 * loop.c (rest_of_handle_loop_optimize): Test for
3189 -fprefetch-loop-arrays-rtl.
3190 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
3191 * timevar.def (TV_TREE_PREFETCH): New timevar.
3192 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
3193 pass_loop_prefetch): New.
3194 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
3195 (cleanup_tree_cfg_loop): Call scev_reset.
3196 * common.opt (fprefetch-loop-arrays-rtl): Add.
3197 * tree-ssa-loop-prefetch.c: New file.
3198 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
3199 (new_temp_expr_table): Initialize expr_vars.
3200 (free_temp_expr_table): Cleanup expr_vars.
3201 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
3202 expressions from being merged into one.
3203 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
3204 (struct tree_niter_desc): Add control, bound and cmp fields.
3205 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
3207 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
3208 (tree-cfgcleanup.o): Add SCEV_H dependency.
3209 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
3210 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
3212 2006-02-14 Richard Guenther <rguenther@suse.de>
3214 PR tree-optimization/26258
3215 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
3216 in PHI argument processing.
3218 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
3220 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
3221 new expression in the requested machine mode.
3223 2006-02-13 Roger Sayle <roger@eyesopen.com>
3225 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
3226 directly, instead let do_compare_rtx_and_jump handle this for us.
3227 * expr.c (expand_expr_real_1): Likewise.
3228 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
3229 before do_jump_by_parts_greater.
3230 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
3231 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
3233 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3235 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
3237 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
3239 PR rtl-optimization/26235
3240 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
3241 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
3244 2006-02-13 Jeff Law <law@redhat.com>
3246 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
3249 2006-02-13 Jakub Jelinek <jakub@redhat.com>
3252 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
3253 twice if decl is a builtin. When trying again, call get_callee_fndecl
3254 first to verify it is still a builtin.
3256 2006-02-13 Geoffrey Keating <geoffk@apple.com>
3258 * dwarf2out.c (base_type_die): Don't add AT_name here.
3259 (subrange_type_die): Don't add AT_name here.
3260 (modified_type_die): Rearrange code flow. Do add AT_name here.
3262 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
3264 PR rtl-optimization/26247
3265 PR rtl-optimization/26248
3266 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
3268 2006-02-13 Richard Sandiford <richard@codesourcery.com>
3270 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
3271 * config/fixtfdi.c: Likewise.
3272 * config/fixunstfdi.c: Likewise.
3273 * config/floatditf.c: Likewise.
3275 2006-02-13 Roger Sayle <roger@eyesopen.com>
3278 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
3279 into (X,C2) if C1 is a subset of the bits of C2. Transform
3280 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
3282 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
3284 2006-02-13 Josh Conner <jconner@apple.com>
3287 * varasm.c (function_section): Check for section name before
3288 calling select_section on targets that define
3289 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
3290 unlikely_text_section instead of hot_function_section if
3291 first_function_block_is_cold.
3293 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
3296 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
3298 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
3300 PR rtl-optimization/26222
3301 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
3302 after tree->rtl expansion.
3303 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
3304 before passing it to emit_move_insn.
3306 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
3308 * doc/invoke.texi (-Write-strings): Document that it is enabled by
3310 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
3311 Clarify documentation.
3312 * c-common.h (warn_write_strings): Remove.
3313 * c-common.c (warn_write_strings): Likewise.
3314 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
3317 2006-02-12 Roger Sayle <roger@eyesopen.com>
3320 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
3321 (do_jump_parts_zero_rtx): New function renamed from
3322 do_jump_parts_equality_rtx. Made static. Add a mode argument.
3323 (do_jump_parts_equality_rtx): New function split out from
3324 do_jump_parts_equality. Old implementation renamed as above.
3325 Call do_jump_parts_zero_rtx if either operand is zero.
3326 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
3327 do all of the heavy lifting.
3328 (do_compare_rtx_and_jump): Handle multi-word comparisons by
3329 calling either do_jump_by_parts_greater_rtx or
3330 do_jump_by_parts_equality_rtx.
3331 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
3332 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
3333 moved to do_compare_rtx_and_jump, call it directly.
3334 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
3335 mode argument. Call do_compare_rtx_and_jump.
3336 (emit_case_nodes): Update calls to do_jump_if_equal.
3338 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
3340 PR rtl-optimization/26225
3341 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
3343 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
3345 PR rtl-optimization/26232
3346 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
3348 2006-02-11 Jason Merrill <jason@redhat.com>
3351 * tree-inline.c (declare_return_variable): Just don't use the
3352 modify target if it's a gimple complex reg and the return slot
3355 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3357 * doc/contrib.texi: Update my entry.
3359 2006-02-10 Geoffrey Keating <geoffk@apple.com>
3361 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
3363 2006-02-10 Diego Novillo <dnovillo@redhat.com>
3365 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
3368 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
3370 * doc/invoke.texi (-floop-optimize2): Removed.
3371 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
3372 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
3373 Test flag_branch_on_count_reg only if HAVE_doloop_end.
3374 * common.opt (floop-optimize2): Removed.
3375 (fmove-loop-invariants): Enabled by default.
3377 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
3379 * tree-if-conv.c (combine_blocks): Free the result of
3380 get_loop_exit_edges.
3382 2006-02-10 Jeff Law <law@redhat.com>
3384 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
3386 PR tree-optimization/26213
3387 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
3388 loop trying to follow SSA_NAME_VALUE chains.
3390 2006-02-10 Richard Guenther <rguenther@suse.de>
3392 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
3393 deal with structures that end in implicitly variable sized arrays.
3395 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
3397 PR rtl-optimization/24762
3398 * df-scan.c (df_bb_refs_record): Record correct registers defined on
3401 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
3403 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
3404 (struct ivopts_data): Add regs_used field.
3405 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
3406 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
3407 instead of loop_data->regs_used;
3408 (free_loop_data): Do not free aux fields for loops.
3409 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
3410 and tree_ssa_iv_optimize_finalize.
3412 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
3414 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
3416 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
3419 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
3420 computing the effective result type.
3422 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
3425 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
3426 (tree_overlaps_hard_reg_set): Declare.
3427 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
3428 type and signature to match function type expected by walk_tree.
3429 (tree_overlaps_hard_reg_set): New function.
3430 (decl_conflicts_with_clobbers_p): Rename to:
3431 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
3432 Use tree_overlaps_hard_reg_set. Changed caller.
3433 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
3434 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
3435 * cris.c (cris_md_asm_clobbers): Likewise.
3437 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
3439 * reload1.c (emit_input_reload_insns): Delete code that tries to
3440 inherit using find_equiv_reg.
3442 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
3444 * c-common.h (flag_const_strings): Don't declare.
3445 * c-common.c (flag_const_strings): Remove.
3446 * c.opt (fconst_strings): Remove.
3447 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
3448 <OPT_Wwrite_strings>: Don't set flag_const_strings.
3449 (c_common_init_options): Don't set flag_const_strings.
3450 * doc/invoke.texi (-fno-const-strings): Remove documentation.
3452 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
3454 * arm.md (tlobits_cbranch): New pattern.
3455 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
3456 testing a single bit.
3458 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
3461 * tree-ssa-pre.c (create_component_ref_by_pieces):
3462 Handle RETURN_DECL like VAR_DECL.
3464 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
3467 * fold-const.c (fold_indirect_ref_1): Fold
3468 "*(foo *)&complexfoo" to "__real__ complexfoo"
3469 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
3471 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
3473 * tree-flow-inline.h (var_can_have_subvars):
3474 Volatile variables should not have subvariables.
3476 2006-02-09 Diego Novillo <dnovillo@redhat.com>
3479 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
3480 multiplying unsigned values.
3483 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
3485 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
3487 2006-02-08 Jason Merrill <jason@redhat.com>
3490 * tree.def: Elaborate on difference from MODIFY_EXPR.
3491 * doc/c-tree.texi (INIT_EXPR): Likewise.
3492 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
3493 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
3494 (gimplify_target_expr): Likewise.
3495 (gimplify_cond_expr): Remove target handling.
3496 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
3497 (gimplify_expr): Clobber it here.
3498 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
3499 Do return slot optimization if we have an INIT_EXPR.
3502 * tree-inline.c (declare_return_variable): Also clear
3503 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
3506 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
3509 * gimplify.c (gimplify_one_sizepos): Fix typo.
3511 2006-02-08 Jeff Law <law@redhat.com>
3513 PR tree-optimization/21417
3514 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
3515 across a backedge if the control statement at the end of the
3516 block is data dependent on other statements in the same block.
3517 (record_temporary_equivalences_from_stmts): Remove over-conservative
3518 test for threading across backedges.
3520 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
3521 control statement, handle all three special cases in the same
3522 manner as they all have the same desired solution. No longer
3523 special case edge flag updating when the post dominator is
3526 2006-02-08 Roger Sayle <roger@eyesopen.com>
3528 * tree.def (CHAR_TYPE): Remove.
3529 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
3530 * dwarf2out.c (base_type_die, is_base_type): Likewise.
3531 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
3532 (gen_string_type_die): Delete unreachable function.
3534 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
3535 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
3536 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
3537 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
3538 * builtins.c (type_to_class): Likewise.
3539 * fold-const.c (fold_convert, build_range_check,
3540 merge_ranges): Likewise.
3541 * expr.c (count_type_elements): Likewise.
3542 * c-pretty-print.c (pp_c_type_specifier): Likewise.
3543 * stor-layout.c (layout_type): Likewise.
3544 * ipa-type-escape.c (type_to_consider): Likewise.
3545 * gimplify.c (omp_firstprivatize_type_sizes,
3546 gimplify_type_sizes): Likewise.
3547 * explow.c (promote_mode): Likewise.
3548 * tree-sra.c (is_sra_scalar_type): Likewise.
3549 * varasm.c (output_constant): Likewise.
3550 * tree-inline.c (remap_type_1): Likewise.
3551 * convert.c (convert_to_pointer, convert_to_real,
3552 convert_to_integer, convert_to_complex): Likewise.
3554 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
3556 * df-scan.c (df_def_record_1): A set destination may
3557 be a parallel regardless of mode.
3559 2006-02-08 Roger Sayle <roger@eyesopen.com>
3562 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
3563 * config/mips/_tilib.c: Remove.
3564 * config/fixtfdi.c: New libgcc source file.
3565 * config/fixunstfdi.c: New source file.
3566 * config/floatditf.c: New source file.
3567 * config/floatunditf.c: New souce file.
3568 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
3569 files above instead of config/mips/_tilib.c.
3570 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
3572 2006-02-08 Jeff Law <law@redhat.com>
3574 PR tree-optimization/26169
3575 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
3578 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
3580 * df.h (DF_REG_SIZE): Return the length of the initialized
3583 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
3585 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
3586 __muldf3): Return a correctly signed zero.
3588 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
3590 * passes.c (register_one_dump_file): Accept the current properties
3591 instead of pass number. Adjust call to dump_register. Remove
3593 (register_dump_files): Now a wrapper around...
3594 (register_dump_files_1): ... this one. Do not modify the pass
3596 (next_pass_1): Cosmetic fix.
3597 (execute_todo): Keep second parameter only. Use curr_properties
3598 instead of fetching it from the pass structure. Check and set
3600 (execute_one_pass): Handle TODO_set_props. Use curr_properties
3601 instead of fetching it from the pass structure. Fix calls to
3602 execute_todo. Update curr_properties and initialize .vcg RTL dump
3603 after running the pass. Reset last_verified.
3604 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
3606 (FIRST_AUTO_NUMBERED_DUMP): New.
3607 (dump_register): Remove "num" parameter, assign it within the
3609 (get_dump_file_name): Modify template for dumps.
3610 * tree-dump.h (dump_register): Adjust prototype.
3611 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
3612 (PROP_trees): Add PROP_gimple_lomp.
3613 (TODO_set_props): New.
3614 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
3615 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
3616 * cfgexpand.c (pass_expand): Destroy PROP_trees.
3618 2006-02-08 Jakub Jelinek <jakub@redhat.com>
3620 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
3621 (sparc64-*-linux*): Likewise.
3622 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
3623 * config/sparc/t-linux: New file.
3624 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
3625 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
3626 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
3627 -m32 -mlong-double-128.
3629 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
3630 * config/alpha/t-linux: New file.
3631 * config/alpha/libgcc-alpha-ldbl.ver: New file.
3633 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
3634 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
3635 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
3636 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
3637 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
3638 (CPP_ARCH32_SPEC): Remove.
3640 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
3642 PR tree-optimization/26145
3643 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
3646 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3649 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
3650 >= 240000 when generating code for SOM runtime.
3651 (output_indirect_call): Don't use "b,l" instruction for indirect calls
3652 to $$dyncall when generating code for SOM runtime..
3654 2006-02-07 Dirk Mueller <dmueller@suse.com>
3657 * doc/invoke.texi (-Wsequence-point): Update documentation
3658 that -Wsequence-point is implemented for C++ as well.
3660 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
3662 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
3663 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
3664 (LIB_SPEC): Likewise.
3665 * doc/invoke.texi (SPARC options): Document -pthread.
3667 2006-02-07 Geoffrey Keating <geoffk@apple.com>
3669 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
3672 2006-02-07 Roger Sayle <roger@eyesopen.com>
3674 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
3675 Correct comment describing BOOLEAN_TYPE.
3677 2006-02-07 Dirk Mueller <dmueller@suse.com>
3679 * c.opt: C++ frontend supports -Wdiv-by-zero.
3680 * c-opts.c (c_common_handle_option): Remove dead case.
3682 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
3684 * configure.ac (TLS assembler check): Do not enable TLS by
3685 default on SPARC/Solaris before version 10.
3686 * configure: Regenerate.
3688 2006-02-07 David Edelsohn <edelsohn@gnu.org>
3690 * doc/invoke.texi (xl-compat): Document conversion and support
3693 2006-02-07 Jeff Law <law@redhat.com>
3695 * tree-vrp.c (find_conditional_asserts): Update comments.
3696 (simplify_stmt_for_jump_threading): New.
3697 (identify_jump_threads, finalize_jump_threads): New.
3698 (vrp_finalize): Call identify_jump_threads.
3699 (execute_vrp): Call finalize_jump_threads.
3700 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
3701 (vrp_element, vrp_data, vrp_element_p): Remove.
3702 (vrp_hash_elt, vrp_variables_stack): Remove.
3703 (vrp_hash, vrp_eq, record_range): Remove.
3704 (simplify_cond_and_lookup_avail_expr): Remove.
3705 (extract_range_from_cond): Remove.
3706 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
3707 (simplify_stmt_for_jump_threading): New.
3708 (dom_thread_across_edge): New wrapper.
3709 (tree_ssa_dominator_optimize): No longer initialize or
3710 finalize any of the VRP datastructures. Remove iteration
3711 step and simplify as a result of removal of iteration step.
3712 (pass_dominator): Perform a cfg cleanup after DOM.
3713 (dom_opt_finalize_block): Use the new common routines
3714 for threading jumps. Simplify stack management slightly.
3715 No longer need to unwind VRP state.
3716 (record_equivalences_from_incoming_edge): No longer record
3718 (eliminate_redundant_computations): No longer call
3719 simplify_cond_and_lookup_avail_expr.
3720 * tree-flow.h (potentially_threadable_block): Prototype.
3721 (thread_across_edge): Likewise.
3722 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
3723 (tree-ssa-threadedge.o): Add dependencies.
3724 * tree-ssa-threadedge.c: New file.
3725 * passes.c (init_optimization_passes): Merge PHIs before
3726 calling VRP. Run VRP again late in the SSA optimization pipeline.
3728 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
3730 * df-core.c (df_set_blocks): Do not dereference function pointers.
3731 (df_finish1): Likewise.
3732 (df_hybrid_search_forward): Likewise.
3733 (df_hybrid_search_backward): Likewise.
3734 (df_iterative_dataflow): Likewise.
3735 (df_analyze_problem): Likewise.
3736 (df_compact_blocks): Likewise.
3737 (df_dump): Likewise.
3738 * df-scan.c (df_rescan_blocks): Likewise.
3739 (df_record_entry_block_defs): Likewise.
3741 * genconditions.c (write_conditions): Guard the definition of
3742 'insn_conditions' with the check on GCC version.
3743 (write_writer): Guard the traversal 'insn_conditions' with
3744 the check on GCC version.
3746 2006-02-07 Richard Guenther <rguenther@suse.de>
3750 2006-01-30 Richard Guenther <rguenther@suse.de>
3752 * gimplify.c (gimplify_target_expr): Handle easy cases
3753 without creating a temporary.
3755 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
3757 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
3758 use of float in probability computations. Use edge probabilities
3759 in place of statically computed probabilities.
3760 (min_spec_prob): New static variable.
3761 (schedule_insns): Initialize it.
3762 (GET_SRC_PROB): Removed.
3763 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
3765 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
3768 * config/ia64/unwind-ia64.c: Revert last change.
3769 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
3770 (INCOMING_FRAME_SP_OFFSET): Define.
3772 2006-02-06 Roger Sayle <roger@eyesopen.com>
3774 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
3776 2006-02-07 Ben Elliston <bje@au.ibm.com>
3778 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
3779 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
3780 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
3781 (ix86_return_in_memory): Handle TDmode.
3782 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
3783 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
3785 2006-02-06 Richard Sandiford <richard@codesourcery.com>
3787 * reorg.c (dbr_schedule): Use dump_file instead of file.
3789 2006-02-06 Steve Ellcey <sje@cup.hp.com>
3792 * config/ia64/predicates.md (extr_len_operand): New predicate.
3793 * config/ia64/ia64.md (extv): Tighten constraints.
3795 (*tbit_and_2): Ditto.
3796 (*tbit_and_3): Ditto.
3797 (*tbit_or_2): Ditto.
3798 (*tbit_or_3): Ditto.
3802 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
3805 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
3807 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
3809 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
3810 loop_optimizer_init and loop_optimizer_finalize
3811 * tree-ssa-sink.c (execute_sink_code): Ditto.
3812 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3813 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
3814 tree_ssa_loop_done): Ditto.
3815 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
3816 * sched-ebb.c: Include output.h.
3817 (schedule_ebbs): Do not use dump argument.
3818 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
3819 * loop.c (loop_dump_stream): Removed.
3820 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
3822 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
3823 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
3824 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
3825 loop_iterations, strength_reduce, record_biv, record_giv,
3826 final_giv_value, check_final_value, check_ext_dependent_givs,
3827 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
3828 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
3829 dump_file instead of loop_dump_stream.
3830 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
3832 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
3834 * flow.c (life_analysis, rest_of_handle_life): Ditto.
3835 * haifa-sched.c: Include output.h
3836 (schedule_insns, sched_init): Do not use dump argument.
3837 * mode-switching.c (optimize_mode_switching): Ditto.
3838 * modulo-sched.c (stats_file): Removed.
3839 (print_node_sched_params): Do not call argument dump_file.
3840 (sms_schedule_by_order, loop_canon_p, sms_schedule,
3841 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
3843 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
3845 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
3846 rtl_loop_init, rtl_loop_done): Ditto.
3847 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
3848 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
3850 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
3851 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
3852 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
3853 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
3854 * emit-rtl.c (renumber_insns): Ditto.
3855 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
3856 expand_gimple_basic_block, tree_expand_cfg): Ditto.
3857 * regclass.c (regclass): Ditto.
3858 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
3859 remove_ssa_form, rewrite_out_of_ssa): Ditto.
3860 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
3861 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
3863 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
3864 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
3866 * gcse.c (gcse_file, debug_stderr): Removed.
3867 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
3868 rest_of_handle_gcse): Do not use dump argument.
3869 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
3870 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
3871 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
3872 compute_code_hoist_vbeinout, compute_code_hoist_data,
3873 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
3874 compute_store_table, build_store_vectors, insert_insn_start_bb,
3875 insert_store, remove_reachable_equiv_notes, replace_store_insn,
3876 store_motion): Use dump_file instead of gcse_file.
3877 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
3878 * profile.c (profile_dump_file): Removed.
3879 (branch_prob): Use dump_file instead of profile_dump_file.
3880 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
3882 * tree-ssa-copy.c (dump_copy_of): Ditto.
3883 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
3884 dump file to life_analysis.
3885 * bt-load.c (branch_target_load_optimize): Ditto.
3886 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
3888 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
3889 regclass, dbr_schedule): Declaration changed.
3890 * sched-int.h (sched_init): Declaration changed.
3891 * tree-profile.c (tree_profile_dump_file): Removed.
3892 (tree_profile_hooks): Removed profile_dump_file hook.
3893 * rtl-profile (rtl_profile_dump_file): Removed.
3894 (rtl_profile_hooks): emoved profile_dump_file hook.
3895 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
3897 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
3898 * tree-cfg.c (build_tree_cfg): Ditto.
3899 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
3900 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
3901 Declaration changed.
3902 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
3903 life_analysis and schedule_insns.
3904 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
3906 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
3908 * config/mips/mips.c (mips_reorg): Ditto.
3909 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
3912 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
3914 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
3915 (s390_mangle_fundamental_type): New.
3916 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
3919 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
3920 (alpha_mangle_fundamental_type): New.
3921 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
3924 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
3926 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
3928 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
3929 (sparc_mangle_fundamental_type): New.
3931 2006-02-06 Jakub Jelinek <jakub@redhat.com>
3933 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
3934 (s390x-*-linux*): Likewise.
3935 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
3936 * config/s390/t-linux: New file.
3938 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
3940 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
3941 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
3943 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
3945 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
3946 (ANTIC_SAFE_LOADS): New macro.
3947 (find_or_generate_expression): Add prototype.
3948 (set_contains_value): Allow null set for sake of not always having
3949 to allocate ANTIC_SAFE_LOADS.
3950 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
3951 Allow COMPONENT_REF too.
3952 (valid_in_set): Allow COMPONENT_REF.
3953 Check ANTIC_SAFE_LOADS too.
3954 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
3955 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
3957 (can_PRE_operation): Add COMPONENT_REF.
3958 (create_component_ref_by_pieces): New function.
3959 (create_expression_by_pieces): Use create_component_ref_by_pieces.
3960 (insert_aux): Move AGGREGATE_TYPE_P check here.
3961 (compute_avail): Set bb local stmt uids.
3962 (pass_pre): Use TODO_update_ssa_only_virtuals.
3964 2006-02-06 Ben Elliston <bje@au.ibm.com>
3966 * configure.ac: Unconditionally disable decimal float by default.
3967 * configure: Regenerate.
3969 2006-02-06 Ben Elliston <bje@au.ibm.com>
3971 * read-rtl.c (read_name): Terminate reading on EOF.
3973 2006-02-06 Ben Elliston <bje@au.ibm.com>
3975 * dfp.c (decimal_real_arithmetic): Change second argument type
3976 from int to enum tree_code. Do not always return true, but now
3977 return result of any call to decimal_do helper functions.
3978 * dfp.h (decimal_real_arithmetic): Update prototype.
3980 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
3982 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
3984 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
3987 * tree-cfg.c (cleanup_dead_labels): Also don't remove
3990 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
3992 * tree-vrp.c (cfg_loops): Removed.
3993 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
3994 Use current_loops instead of cfg_loops. Pass flags to
3995 loop_optimizer_init.
3996 * cfgloopmanip.c (fix_loop_structure): Update only available
3998 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
3999 loop_optimizer_init.
4000 * modulo-sched.c (build_loops_structure): Removed.
4001 (sms_schedule): Use loop_optimizer_init.
4002 * loop-init.c (loop_optimizer_init): Use flags to determine
4003 which properties of loops to prepare.
4004 (rtl_loop_init): Pass flags to loop_optimizer_init.
4005 * tree-ssa-sink.c (execute_sink_code): Ditto.
4006 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
4007 * tree-ssa-pre.c (init_pre): Ditto.
4008 * cfgloop.h (LOOPS_NORMAL): New.
4009 (loop_optimizer_init): Declaration changed.
4011 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4013 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
4014 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
4016 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
4018 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
4020 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
4021 * pa/t-pa64: Delete quadlib.c rule.
4022 * pa/x-ada: Revert last change.
4023 * pa/t-pa: Revert last change. Delete quadlib.c rule.
4025 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
4027 PR rtl-optimization/26087
4028 * rtlanal.c (canonicalize_condition): Do not cross basic block
4031 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
4034 * config/ia64/ia64.c: Include debug.h.
4035 (MAX_ARTIFICIAL_LABEL_BYTES): New.
4036 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
4037 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
4038 (process_epilogue, process_set, process_for_unwind_directive):
4039 Output unwind info only if requested. Add CFA info if requested.
4040 Add new arguments as needed. Adjust callers.
4041 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
4043 (DWARF2_FRAME_INFO): Define to zero.
4044 * config/ia64/unwind-ia64.c: Remove code that compensated for
4045 the CFA offset error fixed above.
4046 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
4047 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
4048 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
4049 -funwind-tables and -fexceptions to enable frame info.
4050 (dwarf2out_frame_init): Define initial CFA even if
4051 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
4052 DWARF2_UNWIND_INFO is nonzero, not just defined.
4053 (dwarf2out_frame_finish): Output non-EH call frame info only
4054 if DWARF2_FRAME_INFO is nonzero.
4055 (convert_cfa_to_loc_list,
4056 compute_frame_pointer_to_cfa_displacement): Define even if
4057 unwind info is not supported.
4058 (gen_subprogram_die): Use the above unconditionally. Remove
4059 legacy alternate code.
4060 * toplev.c (compile_file): Compile in call to
4061 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
4062 (lang_dependent_init): Ditto for dwarf2out_frame_init.
4064 2006-02-04 David Edelsohn <edelsohn@gnu.org>
4065 Jakub Jelinek <jakub@redhat.com>
4067 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
4068 IBM extended float format long double as "g" on powerpc*-linux.
4070 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4073 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
4074 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
4076 2006-02-03 Jason Merrill <jason@redhat.com>
4079 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
4082 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
4083 on the return slot if it's an NRV.
4085 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
4087 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
4088 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
4089 rewrite_use): Do not handle USE_OUTER.
4090 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
4091 add_iv_outer_candidates, may_replace_final_value,
4092 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
4093 (find_interesting_uses_op): Functionality of
4094 find_interesting_uses_outer_or_nonlin moved here.
4095 (find_interesting_uses_outside): Use find_interesting_uses_op.
4097 2006-02-03 Alan Modra <amodra@bigpond.net.au>
4100 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
4102 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
4103 Ulrich Weigand <uweigand@de.ibm.com>
4106 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
4107 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
4108 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
4109 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
4111 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
4112 (s390_rtx_costs): Use the new fields to calculate rtx costs.
4113 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
4114 Define secondary reloads for TFmode moves.
4115 (constant_modes): Add TFmode.
4116 (NR_C_MODES): Set to 8.
4117 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
4119 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
4120 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
4121 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
4122 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
4123 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
4124 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
4125 (FPR mode macro): Add TFmode.
4126 (DSF mode macro): New.
4127 (<de>, <dee> mode attributes): Removed.
4128 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
4129 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
4130 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
4131 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
4132 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
4133 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
4134 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
4135 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
4136 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
4137 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
4138 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
4139 "*negabs<mode>2", "sqrt<mode>2"):
4140 Changed <de> to <xde>. R constraint replaced by <Rf>.
4141 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
4143 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
4144 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
4145 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
4147 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
4148 "extenddftf2", "extendsftf2"): New expanders.
4149 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
4150 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
4151 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
4152 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
4154 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
4155 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
4156 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
4157 __floatditf): Add a GCC_4.1.0 symbol version tag.
4158 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
4161 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
4164 * config/i386/i386.c (ix86_function_ok_for_sibcall):
4165 Use targetm.binds_local_p instead of TREE_PUBLIC.
4167 2006-02-02 Roger Sayle <roger@eyesopen.com>
4169 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
4170 on INTEGER_TYPEs to indicate that it denotes a character type.
4171 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
4172 signed_char_type_node, unsigned_char_type_node and char_type_node.
4173 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
4174 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
4175 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
4177 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
4178 Daniel Berlin <dberlin@dberlin.org>
4180 * tree-tailcall.c (arg_needs_copy_p): New function.
4181 (eliminate_tail_call): Use arg_needs_copy_p.
4182 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
4183 (add_virtual_phis): New function.
4185 2006-02-02 Jakub Jelinek <jakub@redhat.com>
4187 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
4188 #ignore instead of #scratch for %g7 .register directive.
4190 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
4192 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
4195 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
4197 * flow.c (calculate_global_regs_live): Assert that there aren't any
4200 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
4202 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
4204 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
4205 bsi_after_labels iterator.
4206 * tree-if-conv.c (find_phi_replacement_condition,
4207 replace_phi_with_cond_modify_expr): Likewise.
4208 * tree-scalar-evolution.c (scev_const_prop): Likewise.
4209 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
4211 2006-02-02 Diego Novillo <dnovillo@redhat.com>
4213 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
4215 2006-02-02 Diego Novillo <dnovillo@redhat.com>
4218 * tree-cfg.c (move_block_to_fn): Clear out the basic block
4219 array after growing it.
4221 2006-02-01 Steve Ellcey <sje@cup.hp.com>
4224 * fold-const.c (fold_checksum_tree): Change type of buf.
4226 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
4228 * reload.c (push_secondary_reload): Initialize t_icode.
4230 2006-02-01 Jakub Jelinek <jakub@redhat.com>
4232 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
4233 -msoft-float -mlong-double-128 only issue a warning, but don't
4234 swich to DFmode long double.
4236 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
4238 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
4239 has a constant equivalent, iterate over equivalents for arg0,
4240 calling simplify_relational_operation and if there's a result
4241 cheaper than X, apply fold_rtx and return the result.
4243 2006-02-01 Jan Hubicka <jh@suse.cz>
4245 * opts.c (no_unit_at_a_time_default): New global variable.
4246 (decode_options): Use it.
4247 * opts.h (no_unit_at_a_time_default): Declare.
4249 2006-02-01 Paul Brook <paul@codesourcery.com>
4251 * function.c (assign_parm_setup_reg): Use function argument promotion
4253 * expr.c (expand_expr_real_1): Use function argument promotion rules
4256 2006-02-01 Steve Ellcey <sje@cup.hp.com>
4258 * gcc.c (process_command): Change j to 'unsigned int'.
4260 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
4263 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
4264 Use the corrected index for the character
4265 out of the string constant.
4267 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
4269 * mode-switching.c (optimize_mode_switching): Fix size
4270 allocated for bb_info[n_entities].
4272 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
4274 * gcc.c (main): Correct type that is allocated for
4275 explicit_link_files.
4277 2006-01-31 Jakub Jelinek <jakub@redhat.com>
4279 * config/s390/s390.c (init_alignment_context): Set
4280 ALIAS_SET_MEMORY_BARRIER on the MEM.
4281 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
4283 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
4286 * loop-unroll.c (unroll_loop_runtime_iterations): Free
4288 * tree-ssa-live.c (type_var_init): Allocate bitmap after
4291 2006-01-31 Marcin Dalecki <martin@dalecki.de>
4293 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
4294 * regrename.c: Ditto.
4295 * tree-ssa-loop-im.c: Ditto.
4296 * tree-dump.c: Ditto.
4297 * tree-complex.c: Ditto.
4298 * genrecog.c: Ditto.
4299 * tree-ssa-threadupdate.c: Ditto.
4301 * java/class.c: Ditto.
4302 * java/jcf-parse.c: Ditto.
4303 * java/resource.c: Ditto.
4304 * java/except.c: Ditto.
4305 * java/jvspec.c: Ditto.
4306 * java/jcf-write.c: Ditto.
4307 * java/jcf-path.c: Ditto.
4308 * java/gjavah.c: Ditto.
4309 * java/zextract.c: Ditto.
4310 * java/jcf-io.c: Ditto.
4311 * java/jcf.h: Ditto.
4312 * java/buffer.c: Ditto.
4313 * java/lang.c: Ditto.
4314 * java/parse-scan.y: Ditto.
4315 * java/lex.c: Ditto.
4316 * java/lex.h: Ditto.
4317 * cfgloopmanip.c: Ditto.
4318 * postreload-gcse.c: Ditto.
4319 * tree-ssa-loop-manip.c: Ditto.
4320 * postreload.c: Ditto.
4321 * tree-ssa-loop-ch.c: Ditto.
4325 * diagnostic.c: Ditto.
4327 * genoutput.c: Ditto.
4329 * cfghooks.c: Ditto.
4330 * cfgloopanal.c: Ditto.
4331 * objc/objc-act.c: Ditto.
4333 * genextract.c: Ditto.
4334 * genautomata.c: Ditto.
4335 * pretty-print.c: Ditto.
4337 * cgraphunit.c: Ditto.
4340 * haifa-sched.c: Ditto.
4341 * dominance.c: Ditto.
4343 * tree-ssa-loop-ivopts.c: Ditto.
4345 * mode-switching.c: Ditto.
4346 * modulo-sched.c: Ditto.
4348 * ipa-pure-const.c: Ditto.
4350 * fix-header.c: Ditto.
4352 * tree-stdarg.c: Ditto.
4353 * ipa-utils.c: Ditto.
4354 * loop-init.c: Ditto.
4355 * ipa-inline.c: Ditto.
4358 * alloc-pool.c: Ditto.
4359 * dwarf2out.c: Ditto.
4361 * genattrtab.c: Ditto.
4362 * tree-ssa-loop-ivcanon.c: Ditto.
4366 * fortran/gfortranspec.c: Ditto.
4368 * local-alloc.c: Ditto.
4369 * langhooks.c: Ditto.
4370 * function.c: Ditto.
4371 * tree-vectorizer.c: Ditto.
4373 * ipa-type-escape.c: Ditto.
4375 * tree-if-conv.c: Ditto.
4378 * tree-data-ref.c: Ditto.
4379 * loop-unroll.c: Ditto.
4380 * treelang/treetree.c: Ditto.
4383 * ggc-common.c: Ditto.
4385 * coverage.c: Ditto.
4387 * tree-cfgcleanup.c: Ditto.
4388 * tree-ssa-pre.c: Ditto.
4389 * cfgcleanup.c: Ditto.
4390 * loop-invariant.c: Ditto.
4392 * ipa-prop.c: Ditto.
4393 * print-tree.c: Ditto.
4394 * conflict.c: Ditto.
4395 * ggc-page.c: Ditto.
4396 * sched-deps.c: Ditto.
4397 * regclass.c: Ditto.
4398 * tree-object-size.c: Ditto.
4400 * bb-reorder.c: Ditto.
4401 * resource.c: Ditto.
4402 * var-tracking.c: Ditto.
4404 * df-problems.c: Ditto.
4405 * reg-stack.c: Ditto.
4408 * sched-rgn.c: Ditto.
4409 * tree-ssa-structalias.c: Ditto.
4410 * tree-ssa-reassoc.c: Ditto.
4411 * config/darwin-c.c: Ditto.
4412 * config/darwin.c: Ditto.
4413 * config/arm/arm.c: Ditto.
4415 * collect2.c: Ditto.
4418 2006-01-31 Nicolas Pitre <nico@cam.org>
4420 * arm.md (smaxsi3): Make aware of smax_m1.
4423 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
4425 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
4427 2006-01-31 Richard Guenther <rguenther@suse.de>
4429 * doc/invoke.texi (-msselibm): Document.
4430 * target.h (expand_library_builtin): New target hook.
4431 * builtins.c (expand_builtin): Use expand_library_builtin.
4432 (default_expand_library_builtin): New function.
4433 * gcc.c (LINK_GCC_MATH_SPEC): Define.
4434 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
4435 (link_gcc_math_spec): Declare.
4436 (static_specs): Add link_gcc_math_spec.
4437 * expr.h (default_expand_library_builtin): Declare.
4438 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4439 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
4440 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
4441 * config/i386/i386.opt (msselibm): New target option.
4442 * config/i386/i386.c (ix86_builtin_function_variants): New array.
4443 (ix86_init_sse_abi_builtins): New function.
4444 (ix86_expand_library_builtin): Likewise.
4445 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4446 (override_options): Handle error conditions wrt -msselibm.
4447 (ix86_builtins): Add function codes for SSE2 ABI builtins.
4448 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
4449 * doc/extend.texi (__builtin_sse2_*): Document new target specific
4452 2006-01-31 Richard Guenther <rguenther@suse.de>
4453 Paolo Bonzini <bonzini@gnu.org>
4455 * doc/install.texi (--disable-libgcc-math): Document.
4457 2006-01-30 Marcin Dalecki <martin@dalecki.de>
4459 * expr.h (expand_normal): new inline function.
4460 * builtins.c: use it, use EXPAND_NORMAL explicitely.
4462 * dwarf2out.c: use it.
4467 * config/sparc/sparc.c: use it.
4468 * config/i386/i386.c: use it.
4469 * config/rs6000/rs6000.c: use it.
4470 * config/arm/arm.c: use it.
4471 * config/mips/mips.c: use it.
4472 * stmt.c: use it, use EXPAND_NORMAL explicitely.
4474 2006-01-30 Roger Sayle <roger@eyesopen.com>
4476 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
4477 argv to the appropriate type.
4479 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
4481 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
4484 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
4487 * config/s390/s390.c (struct machine_function): New flag
4488 decomposed_literal_pool_addresses_ok_p.
4489 (s390_reorg): Set it before final stage of literal pool transforms.
4490 (s390_decompose_address): Only accept displacements of the form
4491 (minus (label_ref ...) (label_ref ...)) if that flag is set.
4493 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
4495 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
4496 the comparison routine return.
4498 2006-01-30 Michael Matz <matz@suse.de>
4500 * global.c (find_reg): Only evict for global regs.
4501 Take n_refs into account and dump more info.
4503 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
4506 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
4507 (pragma_trap, pragma_nosave_low_regs): Likewise.
4508 (current_function_anonymous_args): Likewise.
4509 (sh_deferred_function_attributes): New variable.
4510 (sh_deferred_function_attributes_tail): Likewise.
4511 (print_operand): For '@', look up trap_exit attribute.
4512 (calc_live_regs): Look up trapa_handler attribute. For trapa
4513 handlers, save/restore fpscr, but don't do any other
4514 interrupt-specific saves.
4515 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
4516 Fix check for partially saved registers to check for SHmedia.
4517 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
4518 (sh_output_function_epilogue): Don't clear any of the removed
4520 (sh_insert_attributes): Don't check pragma_interrupt.
4521 Insert deferred attributes. Check that interrupt attribute is
4522 present for other attributes that require its presence.
4523 (sh_attribute_table): Add new attributes trapa_handler and
4525 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
4526 Don't check for pragma_interrupt. Don't store argument.
4527 * sh.h (pragma_interrupt, sp_switch): Don't declare.
4528 (sh_deferred_function_attributes): Declare.
4529 (sh_deferred_function_attributes_tail): Likewise.
4530 * sh.md (sp_switch_1): Add operand. Change generator caller.
4531 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
4532 (*return_i): Don't use when trap_exit attribute is in effect.
4533 (*return_trapa): New insn pattern.
4535 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
4536 setting c_target_objs and cxx_target_objs.
4537 * t-sh: Add rule for sh-c.o.
4539 2006-01-30 Richard Guenther <rguenther@suse.de>
4542 * gimplify.c (gimplify_target_expr): Handle easy cases
4543 without creating a temporary.
4545 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
4547 * vec.h (safe_grow): Remove duplicated line.
4549 2006-01-29 Diego Novillo <dnovillo@redhat.com>
4552 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
4553 (expand_omp): ... here.
4554 (expand_omp_parallel): Only remove barriers for combined
4555 parallel+workshare constructs.
4557 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
4561 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
4562 * tree.c (build_qualified_type): Chain the new type to the original
4563 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
4564 a POINTER_TYPE or a REFERENCE_TYPE respectively.
4565 (build_pointer_type_for_mode): Only return unqualified types.
4566 (build_reference_type_for_mode): Likewise.
4568 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
4570 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
4571 * Makefile.in (CXX_COMPAT_WARN): Define.
4572 * configure: Regenerate.
4574 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
4577 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
4580 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
4582 * toplev.c: Fix thinko.
4584 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
4585 Marcin Dalecki <martin@dalecki.de>
4587 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
4588 (push_srcloc): Use XNEW.
4589 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
4591 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
4593 * df-core.c (df_set_blocks): Deleted all variable.
4595 2006-01-28 Ian Lance Taylor <ian@airs.com>
4597 * cgraphunit.c (cgraph_assemble_pending_functions): Call
4598 cgraph_output_pending_asms.
4600 2006-01-28 Zack Weinberg <zackw@panix.com>
4602 * c.opt: Add -W(no-)overlength-strings.
4603 * doc/invoke.texi: Document it.
4604 * c-opts.c (c_common_handle_option): -pedantic implies
4605 -Woverlength-strings, if not explicitly disabled already.
4606 (c_common_post_options): -Woverlength-strings defaults to off, and
4607 is always off for C++.
4608 * c-common.c (fix_string_type): Issue warning about strings longer
4609 than is portable only if warn_overlength_strings. Rearrange code
4610 a little for clarity.
4611 * configure.in: Check for -Wno-overlength-strings as well before
4612 enabling -pedantic in stage 1.
4613 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
4614 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
4616 * genconditions.c (write_header, write_one_condition)
4617 (write_conditions, write_writer): Consolidate very long strings
4618 that were broken up to fit in C89 portable limit. Don't use
4619 printf when fputs will do.
4621 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
4623 * combine.c (simplify_comparison <AND>): Check
4624 TRULY_NOOP_TRUNCATION before start using a subreg.
4626 * config/mips/mips.md (*branch_zero<mode>,
4627 *branch_zero<mode>_inverted, *branch_equality<mode>,
4628 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
4629 Remove mode check from comparisons.
4631 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
4633 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
4635 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
4637 * expmed.c (const_mult_add_overflow_p): Remove.
4638 * expr.h: Remove the prototype for const_mult_add_overflow_p.
4640 * recog.c (validate_replace_rtx_subexp): Remove.
4641 * recog.h: Remove the prototype for
4642 validate_replace_rtx_subexp.
4644 * integrate.h: Remove the prototype for
4645 copy_decl_for_inlining.
4646 * rtl.h: Remove the prototype for mark_constant_function.
4647 * tree-vectorizer.h: Remove the prototype for
4648 vect_strip_conversion.
4650 * modulo-sched.c (create_partial_schedule,
4651 free_partial_schedule, reset_partial_schedule): Make them
4654 * hooks.c (hook_bool_rtx_int_false): Remove.
4655 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
4657 2006-01-28 David Edelsohn <edelsohn@gnu.org>
4659 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
4660 and -mlong-double-128 are incompatible.
4661 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
4662 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
4663 (TARGET_LIBGCC2_CFLAGS): Define.
4664 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
4665 (TARGET_LIBGCC2_CFLAGS): Same.
4666 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
4668 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
4671 * c-typeck.c (build_binary_op): Perform implicit casts of
4672 operands before shortening them.
4674 * cfgloopmanip.c (split_loop_bb): Remove.
4675 * cfgloop.h: Remove the prototype for split_loop_bb.
4677 * cfgloop.c (flow_loop_outside_edge_p): Remove.
4678 * cfgloop.h: Remove the prototype for
4679 flow_loop_outside_edge_p.
4681 * emit-rtl.c (init_virtual_regs): Make it static.
4682 * function.h: Remove the prototype for init_virtual_regs.
4684 * recog.c (peephole2_optimize): Make it static.
4685 * recog.h: Remove the prototype for peephole2_optimize.
4687 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
4689 * df-scan.c (df_record_entry_block_defs): Check if
4690 INCOMING_RETURN_ADDR_RTX is defined.
4692 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
4693 Kenneth Zadeck <zadeck@naturalbridge.com>
4695 PR rtl-optimization/24762
4696 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
4697 * targhooks.c (hook_void_bitmap): New hook prototype.
4698 * targhoohs.h (hook_void_bitmap): Ditto.
4699 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
4700 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
4701 * target.h (live_on_entry): New function pointer.
4702 * df-scan.c (df_all_hard_regs): Removed.
4703 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
4704 (df_scan_free_internal): Added df->entry_block_defs.
4705 (df_scan_alloc): Ditto.
4706 (df_scan_dump): Ditto.
4707 (df_uses_record): Plumbed flag field properly thru calls.
4708 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
4709 This part fixes PR24762.
4710 (df_bb_refs_record): Added code to make the frame and arg
4711 pointers live in EH blocks.
4712 (df_refs_record): Added call to df_record_entry_block_defs.
4713 (df_record_entry_block_defs): New function.
4714 * df-core.c: Added comments to describe new artifical defs.
4715 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
4716 (entry_block_defs): New field in struct df.
4717 (df_all_hard_regs): Deleted.
4718 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
4719 * df-problems.c (df_ru_bb_local_compute_process_def):
4720 Added code to handle artifical defs in the entry to a function.
4721 (df_ru_bb_local_compute): Ditto.
4722 (df_rd_bb_local_compute_process_def): Ditto.
4723 (df_rd_bb_local_compute): Ditto.
4724 (df_lr_bb_local_compute): Ditto.
4725 (df_ur_bb_local_compute): Ditto.
4726 (df_urec_bb_local_compute): Ditto.
4727 (df_chain_create_bb): Ditto.
4728 (df_ur_local_finalize): Removed entry.
4729 (df_urec_init): Ditto.
4730 (df_urec_local_finalize): Ditto.
4731 (df_ri_bb_compute): Added detection of last use of pseudos.
4732 * Makefile.in (df-scan.o): Updated dependencies.
4733 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
4734 * config/mips/mips.c (mips_set_live_on_entry): Added.
4735 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
4737 * dce.c (marked_insn_p): Added code to handle artifical defs.
4739 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
4741 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
4743 (_mm_cvtsi128_si64): Likewise.
4744 (_mm_cvtsd_si64): Likewise.
4745 (_mm_cvttsd_si64): Likewise.
4746 (_mm_cvtsi64_sd): Likewise.
4747 (_mm_cvtsi64_si128): Likewise.
4748 * config/i386/mmintrin.h (_m_from_int64): Likewise.
4749 (_mm_cvtsi64_m64): Likewise.
4750 (_m_to_int64): Likewise.
4751 (_mm_cvtm64_si64): Likewise.
4752 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
4753 (_mm_cvttss_si64): Likewise.
4754 (_mm_cvtsi64_ss): Likewise.
4755 (_mm_cvtss_f32): Likewise.
4757 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
4759 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
4760 for pragma redefine_extname.
4762 2006-01-27 Jakub Jelinek <jakub@redhat.com>
4765 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
4766 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
4767 -mno-minimal-toc to previous content.
4768 (bispecs): Remove goal.
4769 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
4770 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
4771 compatibility aliases on powerpc-*-*gnu*.
4772 * config/rs6000/libgcc-ppc-glibc.ver: New file.
4773 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
4774 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
4775 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
4776 (ldblspecs): New goal.
4777 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
4778 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
4780 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
4781 L_sf_to_tf or L_df_to_tf is defined.
4783 2006-01-27 David Edelsohn <edelsohn@gnu.org>
4784 Alan Modra <amodra@bigpond.net.au>
4787 * config/rs6000/linux.h (POWERPC_LINUX): Define.
4788 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
4789 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
4790 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
4791 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
4792 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
4793 (rs6000_override_options): Initialize rs6000_ieeequad.
4794 Initialize TFmode format to ibm_extended_format if not
4796 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
4798 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
4799 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
4800 (function_arg_advance): IBM long double passed in two FPRs, not
4802 (function_arg): IBM long double passed in FPRs.
4803 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
4804 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
4805 Only multireg GPR aligned.
4806 (rs6000_init_libfuncs): Enable IBM long double functions if not
4808 (rs6000_generate_compare): Use IBM long double compare if not
4810 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
4811 (TARGET_IEEEQUAD): Define.
4812 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
4813 not TARGET_IEEEQUAD.
4814 * config/rs6000/rs6000.md: Enable TFmode patterns if
4816 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
4817 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
4818 and -mlong-double-128 are incompatible.
4819 * doc/invoke.texi (-mabi): Collect options together. Add
4820 ibmlongdouble and ieeelongdouble.
4822 2006-01-27 Richard Sandiford <richard@codesourcery.com>
4824 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
4826 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
4827 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
4828 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
4829 * rtl.h (rtunion_def): Remove rt_ptr.
4831 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
4832 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
4833 * config/i386/winnt.c (i386_pe_mark_dllexport)
4834 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
4836 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
4838 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
4840 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
4844 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
4845 pthread_key_delete. From John David Anglin. gthrw-ify
4846 pthread_getunique_np only if it it's not a macro. Delete
4848 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
4849 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
4850 __gthread_objc_condition_signal, __gthread_key_delete): Add
4851 "__attribute__ ((__unused__))" to unused arguments.
4852 (__gthread_recursive_mutex_init_function): Add missing return.
4853 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
4854 gthr-posix95.h: Use macro-based approach for name redirection
4855 on targets missing weakref.
4857 2006-01-26 Zack Weinberg <zackw@panix.com>
4859 * genconditions.c (write_header): In generated code, #ifdef out
4860 all includes and fake declarations, except includes of bconfig.h
4861 and system.h, unless GCC_VERSION >= 3001. Do not include
4862 gensupport.h in any case.
4863 (write_conditions): Generate a definition of struct c_test. Add
4864 a comment to the generated #endif.
4865 (write_one_condition): Escape backslashes in string too.
4866 (write_writer): Generated code must escape backslashes and quote
4867 marks (but not newlines) in the strings it writes.
4868 * Makefile.in (build/gencondmd.o): Update dependencies.
4870 2006-01-26 Steve Ellcey <sje@cup.hp.com>
4873 * Makefile.in (insn-automata.o): Add header file dependencies.
4874 * genautomata.c: Add includes.
4876 2006-01-26 Steve Ellcey <sje@cup.hp.com>
4879 * Makefile.in (insn-automata.o): Add -Wno-error flag.
4881 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
4883 * configure.ac: Expect target tools paths to be passed from the toplevel
4884 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
4886 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
4888 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
4891 * c.opt (Wpointer-sign): Init to -1.
4892 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
4893 OPT_pedantic, to 0 otherwise.
4894 * doc/invoke.texi: Update.
4896 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
4898 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
4899 constants provided by 80387 instructions in the destination mode.
4901 2006-01-26 Richard Guenther <rguenther@suse.de>
4902 Andrew Pinski <pinskia@physics.uc.edu>
4905 partial PR tree-opt/17064
4906 * tree-ssa-structalias.c (intra_create_variable_infos):
4907 Create heap variables for incoming parameters if
4908 flag_argument_noalias > 1.
4909 (find_what_p_points_to): Look through default defs of
4912 2006-01-26 Jeff Law <law@redhat.com>
4915 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
4916 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
4917 within the VR_RANGE, use the VR_RANGE as the result, not the
4919 (adjust_range_with_scev): Reject ranges from SCEV which are out of
4920 bounds for the type.
4922 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
4924 * tree-ssa-alias.c (maybe_create_global_var): Change
4925 subvar walking to an assertion that we don't have subvar'd variables.
4927 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
4930 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
4931 Use a new variable, inner. PARM_DECLs are always non-weak.
4933 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
4935 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
4938 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
4940 * config/mips/mips.md (*clear_upper32): New combiner pattern.
4942 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
4944 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
4945 (smax_insn, smin_insn, smax_0, smin_0): New.
4947 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
4950 * config/cris/cris.c (cris_order_for_addsi3): New function.
4951 * config/cris/cris-protos.h: Prototype it.
4952 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
4953 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
4954 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
4955 (split for "op.S1 [rx=rx+i],ry (swapped)")
4956 (split for "op(s|u).S1 [rx=rx+i],ry")
4957 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
4958 Apply cris_order_for_addsi3 when generating addsi3 insns.
4960 2006-01-25 Diego Novillo <dnovillo@redhat.com>
4962 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
4963 (TREE_BLOCK): Add call to EXPR_CHECK.
4965 2006-01-25 Diego Novillo <dnovillo@redhat.com>
4968 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
4969 * tree-pretty-print.c (dump_omp_clause): Extract from ...
4970 (dump_omp_clauses): ... here.
4971 (dump_generic_node): Handle OMP_CLAUSE.
4972 * tree.c (omp_clause_num_ops): New.
4973 (omp_clause_code_name): New.
4974 (tree_code_size): Handle OMP_CLAUSE.
4975 (tree_size): Likewise.
4976 (make_node): Document handling of OMP_CLAUSE.
4977 (tree_node_structure): Handle OMP_CLAUSE.
4978 (omp_clause_check_failed): New.
4979 (omp_clause_range_check_failed): New.
4980 (omp_clause_operand_check_failed): New.
4981 (build_omp_clause): New.
4982 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
4983 * tree.h (enum omp_clause_code): Declare.
4984 (OMP_CLAUSE_SUBCODE_CHECK): Define.
4985 (OMP_CLAUSE_RANGE_CHECK): Define.
4986 (OMP_CLAUSE_ELT_CHECK): Define.
4987 (omp_clause_check_failed): Declare.
4988 (omp_clause_operand_check_failed): Declare.
4989 (omp_clause_range_check_failed): Declare.
4990 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
4991 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
4992 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
4993 (OMP_CLAUSE_LASTPRIVATE): Likewise.
4994 (OMP_CLAUSE_IF_EXPR): Likewise.
4995 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
4996 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
4997 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
4998 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
4999 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
5000 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
5001 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
5002 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
5003 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
5004 (OMP_CLAUSE_CODE): Define.
5005 (OMP_CLAUSE_SET_CODE): Define.
5006 (OMP_CLAUSE_CODE): Define.
5007 (OMP_CLAUSE_OPERAND): Define.
5008 (struct tree_omp_clause): Declare.
5009 (union tree_node): Add field 'omp_clause'.
5010 * treestruct.def (TS_OMP_CLAUSE): Define.
5011 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
5012 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
5013 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
5014 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
5015 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
5016 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
5017 (OMP_CLAUSE): Define.
5018 * print-tree.c (print_node): Handle OMP_CLAUSE.
5019 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
5020 * c-typeck.c: Likewise.
5021 * gimplify.c: Likewise.
5022 * c-omp.c: Likewise.
5023 * tree-nested.c: Likewise.
5024 * tree-inline.c: Likewise.
5025 * c-parser.c: Likewise.
5026 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
5029 2006-01-25 Roger Sayle <roger@eyesopen.com>
5031 PR rtl-optimization/25703
5032 * combine.c (try_combine): Handle zero_extract and strict_low_part
5033 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
5035 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
5037 * global.c: Fix comment typos.
5039 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
5042 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
5043 Use output_addr_const instead of assemble_name.
5045 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
5047 * Makefile.in (sched-vis.o): Update dependencies.
5048 * haifa-sched.c (sched_finish): Clear current_sched_info.
5049 * cfg.c (dump_bb_info): New, split from dump_flow_info.
5050 (dump_flow_info): Call it.
5051 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
5053 * basic-block.h (dump_bb_info): Declare.
5054 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
5055 option, and apply options only for dump files whose TDF_RTL,
5056 TDF_TREE, or TDF_IPA bits match.
5057 * rtl.h: Declare new functions exported from sched-vis.c.
5058 * sched-vis.c: Enable also if scheduling is not used.
5059 (print_value): Print the mode of registers if not inside scheduling.
5060 (print_insn): Make it work outside the scheduler. Beautify the output
5062 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
5064 2006-01-25 Richard Sandiford <richard@codesourcery.com>
5066 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
5067 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
5068 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
5069 depending on the value of CONSTANT_POOL_ADDRESS_P.
5070 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
5072 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
5073 rather than SYMBOL_REF_DECL.
5074 (rtx_constant_pool): Remove const_rtx_sym_htab.
5075 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
5076 (init_varasm_status): Don't initialize const_rtx_sym_htab.
5077 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
5078 Remove handling of const_rtx_sym_htab.
5079 (find_pool_constant): Delete.
5080 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
5081 rather than find_pool_constant.
5082 (get_pool_constant_for_function): Delete.
5083 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
5085 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
5086 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
5087 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
5088 (SYMBOL_REF_CONSTANT): New macro.
5089 (get_pool_constant_for_function): Delete.
5090 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
5091 rather than SYMBOL_REF_DECL.
5092 (i386_pe_mark_dllimport): Likewise.
5093 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
5094 rather than SYMBOL_REF_DECL.
5095 * config/darwin.c (machopic_indirect_data_reference): Likewise.
5096 (machopic_indirect_call_target): Likewise.
5098 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
5100 * flow.c (delete_noop_moves): Add missing EOL to dump message.
5102 2006-01-25 Richard Sandiford <richard@codesourcery.com>
5104 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
5106 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
5108 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
5110 2006-01-24 David Daney <ddaney@avtrex.com>
5113 * configure.ac (enable_tls): New enable option.
5114 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
5115 * configure: Regenerate.
5116 * doc/install.texi (--enable-tls): Document new option.
5117 (--disable-tls): Ditto.
5119 2006-01-24 Richard Henderson <rth@redehat.com>
5121 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
5122 * alias.c (true_dependence): Respect it.
5123 (canon_true_dependence, write_dependence_p): Likewise.
5124 * builtins.c (get_builtin_sync_mem): Set it.
5126 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
5128 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
5131 2006-01-24 DJ Delorie <dj@redhat.com>
5133 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
5134 for storing constants in single-bit bitfields.
5136 2006-01-25 Ben Elliston <bje@au.ibm.com>
5138 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
5140 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
5143 * tree-ssa-pre.c (phi_translate): Return NULL
5144 for AGGREGATE_TYPE's.
5146 2006-01-24 Zack Weinberg <zackw@panix.com>
5148 * genautomata.c (process_state_for_insn_equiv_partition):
5149 Use xcalloc for insn_arcs_array.
5150 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
5151 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
5153 2006-01-24 Richard Henderson <rth@redhat.com>
5155 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
5158 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
5160 PR rtl-optimization/25890
5161 PR rtl-optimization/25905
5162 * combine.c (expand_compound_operation, expand_field_assignment):
5163 Fail if the bitfield's final position is out of bounds.
5165 2006-01-24 Ian Lance Taylor <ian@airs.com>
5168 * cgraphunit.c (cgraph_output_in_order): Don't clear
5169 cgraph_asm_nodes until after asm strings have been output.
5171 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
5173 * fix-header.c (read_scan_file): Add new parameter imultilib when
5174 calling register_include_chains.
5176 2006-01-23 Diego Novillo <dnovillo@redhat.com>
5178 * omp-low.c: Update documentation.
5180 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
5181 Daniel Berlin <dberlin@dberlin.org>
5185 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
5186 return from the function.
5188 2006-01-22 Zack Weinberg <zackw@panix.com>
5190 * rtl.def (match_code): Add second argument.
5191 * genpreds.c (write_extract_subexp): New function.
5192 (write_match_code): Add path argument. Use write_extract_subexp.
5193 (write_predicate_expr): Pass path to write_match_code.
5194 (mark_mode_tests): MATCH_CODE applied to a subexpression does
5195 not perform a mode test.
5196 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
5197 a subexpression does not constrain the top-level code set.
5198 * read-rtl.c (read_rtx_variadic): New function.
5199 (read_rtx_1): Use it; allow AND and IOR to be variadic.
5200 * doc/md.texi: Document new notation.
5201 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
5202 (cmpsi_operand): ... here, using new notation.
5204 2006-01-22 Zack Weinberg <zackw@panix.com>
5206 * varray.c: Remove GENERATOR_FILE #ifdefs.
5208 2006-01-22 Zack Weinberg <zackw@panix.com>
5210 * genautomata.c (output_reserved_units_table): Emit nothing if
5211 description->query_units_num is zero. Remove extra blank line.
5212 (output_cpu_unit_reservation_p): Short circuit
5213 if description->query_units_num is zero.
5215 2006-01-22 Zack Weinberg <zackw@panix.com>
5217 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
5218 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
5219 nor any of the random handful of variables that used to be necessary
5220 when this program was linked with rtlanal.o. Prune set of forward
5221 function declarations.
5222 (struct attr_desc): Remove static_p field.
5223 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
5224 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
5225 (attr_string): Do not read the character one past the length of
5227 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
5228 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
5229 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
5230 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
5231 (make_automaton_attrs): New.
5232 (main): Do not call into genautomata. Call local gen_bypass
5233 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
5234 Remove special case for insn_alts.
5235 * genautomata.c: Include gensupport.h; not genattrtab.h nor
5236 varray.h (leftover from previous change). Prune set of forward
5237 function declarations. Remove state_alts fields from all
5238 structures. Remove state_alts_table from struct automaton.
5239 Make everything except main static. Do not maintain num_dfa_decls.
5240 Do not maintain state_alts fields of various structures.
5241 (process_decls): Don't validate condexp for dm_insn_reserv decls.
5242 (add_arc): Remove state_alts argument. All callers updated.
5243 (output_reserved_units_table): Emit #ifdef here...
5244 (output_tables): ...not here. Don't generate state_alts tables.
5245 (expand_automata): Don't generate attributes.
5246 (write_automata): Don't generate state_alts functions.
5247 (main): New function.
5248 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
5249 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
5250 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
5251 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
5252 (BYPASS_P_FUNC_NAME, output_state_alts_table)
5253 (output_automata_list_state_alts_code, output_internal_state_alts_func)
5254 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
5255 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
5257 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
5258 * genattrtab.h: Delete file.
5259 * Makefile.in (OBJS-common): Add insn-automata.o.
5260 (insn-automata.o): New rule.
5261 (simple_generated_c): Add insn-automata.c.
5262 (build/genattrtab.o, build/genautomata.o): Update dependencies.
5263 (genprogmd): Add automata.
5264 (build/genattrtab): Needs no extra objects nor libraries.
5265 (build/genautomata): Needs build/vec.o and -lm.
5267 2006-01-22 Zack Weinberg <zackw@panix.com>
5269 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
5270 (output_dfa_max_issue_rate, locked_states_num): Delete.
5271 (struct automaton): Add locked_states field.
5272 (output_dead_lock_vect): Save number of locked states in
5273 automaton->locked_states. If it is zero, don't print anything.
5274 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
5275 (output_internal_dead_lock_func): Only test the dead_lock_vect
5276 for automata that have locked states.
5277 (output_statistics): Always print the number of locked states for
5278 each automaton. Calculate total number of locked states here.
5279 (write_automata): Don't call output_dfa_max_issue_rate.
5280 * genattrtab.c: Define length_unit_log as a const variable.
5281 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
5282 max_insn_queue_index const.
5283 * final.c (length_unit_log): Declare const.
5284 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
5286 2006-01-22 Zack Weinberg <zackw@panix.com>
5288 * genautomata.c: Include vec.h, not varray.h.
5289 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
5290 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
5291 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
5292 VEC_* macros operating on appropriately typed vectors, or to
5293 malloced arrays when the size is known in advance. Const-ify
5294 many char* variables and function arguments. No functional changes.
5295 * Makefile.in (build/varray.o): Delete rule.
5296 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
5297 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
5299 2006-01-22 Zack Weinberg <zackw@panix.com>
5301 * gensupport.c: Define get_insn_name and record_insn_name here.
5302 (read_md_rtx): Call record_insn_name as appropriate.
5303 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
5304 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
5305 * genpreds.c, genrecog.c: Don't define get_insn_name nor
5307 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
5308 (BUILD_VARRAY): Delete.
5309 (genprognormal): Rename genprogmd. Fold in all programs from
5310 genprognoprint; also attrtab.
5311 (build/genattrtab): Just mention genautomata.o and varray.o.
5312 Reorganize a bit, add comments to make the categories clearer.
5314 2006-01-22 Zack Weinberg <zackw@panix.com>
5316 * genconditions.c (condition_table, add_condition): Delete.
5317 (write_conditions): Don't emit n_insn_conditions nor
5318 insn_elision_unavailable. Issue the gcc version #ifdef here,
5319 inside the table, with no #else clause ...
5320 (write_header): ...not here.
5321 (write_writer): New function.
5322 (main): Don't initialize condition_table. Use add_c_test.
5324 * gensupport.c (init_md_reader_args_cb): Handle multiple input
5325 files on the command line.
5326 (maybe_eval_c_test): Don't check insn_elision_unavailable.
5327 Return -1 if there is no entry in the table, don't abort.
5328 (add_c_test, traverse_c_tests): New functions.
5329 * gensupport.h (insn_elision_unavailable, insn_conditions)
5330 (n_insn_conditions): Delete declarations.
5331 (add_c_test, traverse_c_tests): Declare.
5332 * read-rtl.c: Include gensupport.h.
5333 (read_conditions): New function.
5334 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
5335 (read_rtx_1): If we get EOF when we were looking for an initial
5336 open paren, return 0. Call read_conditions when appropriate.
5337 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
5338 dummy-conditions.o. Eliminate references to insn-conditions.o,
5339 or change them to build/gencondmd.o, as appropriate. Remove
5340 insn-constants.h from $(simple_generated_h) and insn-conditions.c
5341 from $(simple_generated_c). For all files remaining in those
5342 two lists, add insn-conditions.md to the generator command line.
5343 Give insn-constants.h/s-constants their own rules. Add rules
5344 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
5345 (build/read-rtl.o): Depend on gensupport.h.
5346 (genprognormal): Include preds.
5347 (genprogearly): Rename genprognoprint; only difference is now that
5348 they don't link with $(BUILD_PRINT).
5349 * dummy-conditions.c: Delete.
5351 2006-01-22 Zack Weinberg <zackw@panix.com>
5353 * genextract.c: Don't include insn-config.h. Do include vec.h.
5354 Declare vectors of int, char, and locstr.
5355 (locstr): New typedef.
5356 (struct extraction): Make all array fields into bare pointers.
5357 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
5358 (insn_code_number): Delete.
5359 (accum_extract): New struct.
5360 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
5361 (gen_insn): Take insn_code_number as an argument. Use an
5362 accum_extract structure instead of loading data directly into
5363 a struct extraction, and having to know how big it might get.
5364 (walk_rtx): Operate entirely on an accum_extract structure.
5365 (print_path): Avoid unnecessary use of printf.
5366 (print_header): New function, split out of main. Distinguish
5367 more carefully between an unrecognizable insn and an insn that
5368 has the code number of a define_expand.
5369 (main): Pass insn_code_number to gen_insn. Call print_header
5370 only after parsing. Avoid unnecessary use of printf.
5371 * Makefile.in (build/vec.o): New rule.
5372 (build/genextract): Depend on build/vec.o.
5373 (build/genextract.o): Don't depend on insn-config.h.
5375 2006-01-22 Zack Weinberg <zackw@panix.com>
5377 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
5378 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
5379 practical. Eliminate per-generator-program link rules.
5381 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
5384 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
5385 with a call expr to ...
5386 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
5388 2006-01-23 Richard Guenther <rguenther@suse.de>
5390 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
5391 before make_edge with conditional EDGE_TRUE_VALUE.
5393 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
5394 Jan Hubicka <jh@suse.cz>
5395 Richard Guenther <rguenther@suse.de>
5397 PR rtl-optimization/25654
5398 * cfgexpand.c (aggregate_contains_union_type): New function.
5399 (add_alias_set_conflicts): Call it. Make sure to add conflicts
5400 for structure variables that contain a union type.
5402 2006-01-23 Richard Sandiford <richard@codesourcery.com>
5404 * gengtype.c (new_structure): Return the structure.
5405 (create_option): Add an extra "next" argument.
5406 (create_field): New function.
5407 (adjust_field_rtx_def): Use create_option and create_field.
5408 Remove a now-unnecessary call to find_structure.
5409 (adjust_field_tree_def): Likewise.
5410 (note_yacc_type): Remove an unnecessary call to find_structure.
5411 * gengtype.h (new_structure): Return the structure.
5412 (create_option): Add an extra argument.
5413 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
5414 (option): Adjust calls to create_option.
5416 2006-01-22 David Edelsohn <edelsohn@gnu.org>
5418 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
5420 2006-01-22 Paul Brook <paul@codesourcery.com>
5421 Peter Barada <peter@the-baradas.com>
5423 * config/m68k/m68k.md: Add Coldfire FPU support.
5424 Define FP mode macro and associated attributes.
5425 Use it for float mode patterns.
5426 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
5427 (LIBCALL_VALUE): Use m68k_libcall_value.
5428 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
5429 (m68k_function_value): Ditto.
5430 (emit_move_sequence): Ditto.
5431 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
5432 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
5433 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
5434 (MULTILIB_EXCEPTIONS): Ditto.
5435 * config/m68k/m68k.opt: Add mcfv4e.
5436 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
5437 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
5438 (m68k_output_function_prologue): Save ColdFire FPU registers.
5439 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
5440 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
5441 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
5442 ColdFire FPU registers.
5443 (m68k_libcall_value, m68k_function_value): New functions.
5444 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
5445 (LIBCALL_VALUE): Use m68k_libcall_value.
5446 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
5447 (MASK_COLDFIRE): Add MASK_CFV4E.
5448 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
5449 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
5450 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
5451 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
5452 (GO_IF_LEGITIMATE_ADDRESS): Use it.
5453 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
5454 * doc/invoke.tex: Document -mcfv4e on m68k.
5456 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
5458 * doc/contribute.texi: Change CVS to SVN and update the corresponding
5461 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
5464 * c-opts.c (c_common_handle_option): Don't include
5465 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
5466 * doc/invoke.texi (C++ Dialect Options): Document that
5467 -Wnon-virtual-dtor is no longer included in -Wall.
5469 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
5471 * gcov.c (print_version), gcov-dump.c (print_version),
5472 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
5475 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
5477 * df-scan.c (problem_SCAN): Added NULL reset function.
5478 (df_scan_reset_blocks): Added code to call reset block function
5479 (df_bb_refs_delete) Fixed comment.
5480 (df_insn_refs_delete): Made tolerant of deleting non existent info
5481 for dataflow problems that need to be reset.
5482 * df-core.c (df_set_blocks): Ditto.
5483 * df.h (struct df_problem): Added reset_fun.
5484 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
5485 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
5486 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
5487 functions to clear out all references to def-use or use-def chains.
5489 2006-01-21 Ben Elliston <bje@au.ibm.com>
5491 * varasm.c (assemble_real): Initialise data array.
5493 2006-01-20 Paul Brook <paul@codesourcery.com>
5495 Merge from csl-arm-branch.
5496 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
5497 * config/arm/arm.md (movdi): Force operands[1] to a register
5498 if we have a non-register source.
5499 (*arm_movdi, *movdf_soft_insn): Require that one of the
5500 operands be a register.
5501 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
5502 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
5504 2006-01-20 DJ Delorie <dj@redhat.com>
5506 * varasm.c (initialize_constant_valid_p): Allow pointers
5507 initialized from integer constants of lesser precision.
5508 (output_constant): Allow non-int-sized pointer modes to be
5509 initialized from integer constants.
5511 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
5514 * cppdefault.h (struct default_include): Add multilib flag.
5515 * cppdefault.c (cpp_include_defaults): Set it.
5516 * c.opt (-imultilib): New option.
5517 * c-opts.c (imultilib): New.
5518 (c_common_handle_option): Handle -imultilib.
5519 (c_common_post_options): Likewise.
5520 * c-incpath.c (add_standard_paths, register_include_chains):
5522 * c-incpath.h (register_include_chains): Add extra parameter.
5523 * gcc.c (do_spec_1): Generate -imultilib option.
5524 (The Specs Language): Update %I description.
5525 (process_command): Update copyright notice.
5526 * doc/cppopts.texi (-imultilib): Document.
5527 * doc/invoke.texi (-imultilib): Include in option summary.
5528 (%I): Update specs documentation.
5530 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
5532 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
5534 2006-01-20 Richard Sandiford <richard@codesourcery.com>
5536 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
5539 2006-01-20 Richard Guenther <rguenther@suse.de>
5540 Steven Bosscher <stevenb.gcc@gmail.com>
5542 PR rtl-optimization/24626
5543 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
5544 EDGE_TRUE_VALUE if in RTL mode.
5547 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
5548 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
5550 2006-01-20 Dirk Mueller <dmueller@suse.com>
5553 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
5554 instead of a special NOP marker.
5555 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
5556 NOP marker handling.
5557 * c-common.h (empty_body_warning): Add forward declaration.
5558 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
5559 Now uses IS_EMPTY_STMT() instead of special NOP markers.
5561 2006-01-20 Paul Brook <paul@codesourcery.com>
5563 * Makefile.in (lang_checks): Keep going if mkdir fails.
5565 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
5567 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
5568 be able to clean out basic block when not necessary.
5569 (df_scan_free): Fixed to properly delete information if df is
5570 unused before calling df_finish.
5571 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
5572 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
5574 (df_bb_refs_delete): New function.
5575 (df_refs_delete): Moved per block code to df_bb_refs_delete.
5576 * df-core.c (df_set_blocks): Added code to properly clean out
5577 unused blocks if they are not part of the blocks to consider.
5578 Added additional null check.
5579 (df_compact_blocks): Added basic block parameter to free_bb_fun to
5580 be able to clean out basic block when not necessary
5581 * df.h (df_free_bb_function): Ditto.
5582 (df_bb_refs_delete): New function.
5583 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
5584 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
5585 basic block parameter to be able to clean out basic block when not
5587 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
5588 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
5589 Fixed to properly delete information if df is unused before
5592 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
5594 PR rtl-optimization/25799
5595 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
5596 Corrected confluence operator to remove bits from op2 before oring
5597 with op1 rather than removing bits from op1.
5598 (df_ru_transfer_function): Corrected test on wrong bitmap which
5599 caused infinite loop. Both of these problems were introduced in
5600 the dataflow rewrite.
5602 2006-01-19 DJ Delorie <dj@redhat.com>
5604 * reload1.c (find_reload_regs): Note the details of reload
5605 failures in the dump file.
5606 (spill_failure): Likewise.
5608 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
5610 * loop-iv.c: Include df.h and hashtab.h.
5611 (enum iv_grd_result): New enum.
5612 (DF_REF_IV, DF_REF_IV_SET): New macros.
5613 (struct biv_entry): New.
5614 (df, bivs): New global variables.
5615 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
5616 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
5618 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
5619 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
5620 analyzed_for_bivness_p, record_biv): New functions.
5621 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
5622 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
5623 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
5625 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
5627 (iv_number_of_iterations): Use new interface to iv analysis.
5628 * loop-unroll.c: Do not include varray.h.
5629 (analyze_iv_to_split_insn): Use new interface to iv
5631 * loop-unswitch.c (may_unswitch_on): Ditto.
5632 * df.c (df_bitmaps_free): Only work for bbs for that structures are
5634 (df_bb_modify): Realloc tables to the new index.
5635 (df_find_use): New function.
5636 * df.h (df_find_use): Declare.
5637 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
5639 * cfgloop.h (struct rtx_iv): Remove analysed field.
5640 (iv_get_reaching_def): Removed.
5641 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
5642 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
5643 (loop-iv.o): Add df.h and hashtab.h dependency.
5644 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
5646 2006-01-20 Alan Modra <amodra@bigpond.net.au>
5649 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
5651 (__floatundisf, __floatundidf): Likewise.
5652 * libgcc2.h (IS_IBM_EXTENDED): Define.
5654 2006-01-19 DJ Delorie <dj@redhat.com>
5656 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
5658 2006-01-19 Paul Brook <paul@codesourcery.com>
5660 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
5661 as nothrow when unwinding tables are disabled.
5663 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5666 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
5667 of bit-field" when in system header.
5669 2006-01-19 DJ Delorie <dj@redhat.com>
5671 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
5672 the 16 bit shift limit of the m16c.
5674 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
5677 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
5678 * config/i386/i386.c (output_set_got): Output the label if we have one
5679 for the TARGET_DEEP_BRANCH_PREDICTION case.
5681 2006-01-19 Jan Hubicka <jh@suse.cz>
5682 H.J. Lu <hongjiu.lu@intel.com>
5683 Evandro Menezes <evandro.menezes@amd.com>
5685 * invoke.texi (generic): Document
5687 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
5688 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
5689 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
5690 (x86_use_incdec, x86_pad_returns): New variables
5691 (TARGET_CPU_DEFAULT_generic): New constant
5692 (TARGET_CPU_DEFAULT_NAMES): Add generic.
5693 (enum processor_type): Add generic32 and generic64.
5694 * i386.md (cpu attribute): Add generic32/generic64
5695 (movhi splitter): Behave sanely when both partial_reg_dependency and
5696 partial_reg_stall are set.
5697 (K8 splitters): Enable for generic as well.
5698 * predicates.md (incdec_operand): Use TARGET_INCDEC
5699 (aligned_operand): Avoid memory mismatch stalls.
5700 * athlon.md: Enable for generic64, new patterns for 128bit moves.
5701 * ppro.md: Enable for generic32
5702 * i386.c (generic64_cost, generic32_cost): New.
5703 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
5704 (x86_use_leave): Enable for generic64. (x86_use_sahf,
5705 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
5706 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
5707 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
5708 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
5709 x86_partial_reg_dependency, x86_memory_mismatch_stall,
5710 x86_accumulate_outgoing_args, x86_prologue_using_move,
5711 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
5712 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
5714 (x86_use_incdec, x86_pad_returns): New.
5715 (override_options): Add generic32 and generic64, translate "generic"
5716 to generic32/generic64 and "i686" to "generic32", refuse
5717 "generic32"/"generic64" as arch target.
5718 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
5719 (ix86_reorg): Honor PAD_RETURNS.
5721 2006-01-19 Diego Novillo <dnovillo@redhat.com>
5723 * tree-pretty-print.c (dump_generic_node): Handle
5724 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
5725 * cgraph.c (cgraph_expand_queue): Rename from
5726 cgraph_analyze_queue. Update all users.
5727 * cgraphunit.c (cgraph_assemble_pending_functions): Process
5728 cgraph_expand_queue.
5729 (cgraph_expand_all_functions): Likewise.
5730 (cgraph_finalize_pending_functions): Remove. Update callers.
5732 * tree.h (OMP_DIRECTIVE_P): Define.
5733 (OMP_PARALLEL_FN): Define.
5734 (OMP_PARALLEL_DATA_ARG): Define.
5735 (OMP_SECTIONS_SECTIONS): Define.
5736 * tree-pass.h (pass_expand_omp): Declare.
5737 * omp-low.c (struct omp_region): Declare.
5738 (struct omp_context): Remove fields 'parallel_type',
5739 'parallel_start_ix' and 'parallel_start_additional_args'.
5741 (struct omp_for_data): Rename from struct expand_omp_for_data.
5742 (omp_regions): New static variable.
5743 (root_omp_region): New static variable.
5744 (find_omp_clause): Make static.
5745 (is_in_combined_parallel_ctx): Remove.
5746 (is_combined_parallel): New.
5747 (extract_omp_for_data): Move earlier in the file.
5748 (workshare_safe_to_combine_p): New.
5749 (get_ws_args_for): New.
5750 (determine_parallel_type): Move earlier in the file.
5751 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
5753 (omp_copy_decl): Likewise.
5754 (create_omp_child_function): Likewise.
5755 (lookup_omp_region): New.
5756 (dump_omp_region): New.
5757 (debug_omp_region): New.
5758 (debug_all_omp_regions): New.
5759 (new_omp_region): New.
5760 (scan_omp_parallel): If parallel_nesting_level > 1, the
5761 directive is nested within another parallel directive.
5762 Set OMP_PARALLEL_FN.
5763 (scan_omp_for): Do not try to handle combined parallel+for
5765 Remove FIXME comment.
5766 (scan_omp_nested): Remove.
5767 (scan_omp_1): Do not call scan_omp_nested when
5768 parallel_nesting_level is > 1.
5769 Do not change the DECL_CONTEXT of local variables found.
5770 (lookup_decl_in_outer_ctx): New.
5771 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
5772 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
5773 (lower_reduction_clauses): Rename from expand_reduction_clauses.
5774 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
5775 If CTX is nested, lookup VAR in the outer context when
5776 building copy assignment.
5777 (lower_send_clauses): Rename from expand_send_clauses.
5778 If CTX is nested, lookup VAR in the outer context when
5779 building copy assignments.
5780 (lower_send_shared_vars): Rename from expand_send_shared_vars.
5781 If CTX is nested, lookup VAR in the outer context when
5782 building copy assignments.
5783 (expand_parallel_call): Rename from build_parallel_call.
5784 Handle combined parallel+workshare cases.
5785 Re-implement to emit code into the CFG.
5787 (expand_omp_parallel): Re-implement to emit code into the CFG.
5788 Call move_sese_region_to_fn to outline the sub-graph
5789 containing the parallel region.
5790 (expand_omp_for_1): Remove.
5791 (expand_omp_for_generic): Re-implement to emit code into the
5793 (expand_omp_for_static_nochunk): Likewise.
5794 (expand_omp_for_static_chunk): Likewise.
5795 (expand_omp_for): Likewise.
5796 (expand_omp_sections): Likewise.
5797 (remove_exit_barriers): New.
5798 (expand_omp_synch): New.
5800 (build_omp_regions_1): New.
5801 (build_omp_regions): New.
5802 (execute_expand_omp): New.
5803 (gate_expand_omp): New.
5804 (pass_expand_omp): Define.
5805 (lower_omp_sections): Rename from expand_omp_sections.
5806 Set OMP_SECTIONS_SECTIONS.
5807 (lower_omp_single_simple): Rename from expand_omp_single_simple.
5808 (lower_omp_single_copy): Rename from expand_omp_single_copy.
5809 (lower_omp_single): Rename from expand_omp_simple.
5810 (lower_omp_master): Rename from expand_omp_master.
5811 (lower_omp_ordered): Rename from expand_omp_ordered.
5812 (lower_omp_critical): Rename from expand_omp_critical.
5813 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
5814 (lower_omp_for): Re-implement.
5815 (lower_omp_parallel): Re-implement.
5816 (lower_regimplify): Rename from expand_regimplify.
5817 (lower_omp_1): Rename from expand_omp_1.
5818 If there are syntax errors in the program, replace every
5819 OpenMP directive with NOP.
5820 Call lower_omp_* instead of expand_omp_*.
5821 (lower_omp): Rename from expand_omp.
5823 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
5824 * tree-gimple.h (enum omp_parallel_type): Remove.
5825 (gimple_boolify): Declare extern.
5826 (find_omp_clause, determine_parallel_type): Remove.
5828 * gimple-low.c (lower_omp_directive): New.
5829 (lower_stmt): Call it.
5830 (record_vars_into): Move from ...
5831 (record_vars): ... here.
5832 Call record_vars_into with current_function_decl.
5834 * gimplify.c (struct gimplify_ctx): Remove fields
5835 combined_pre_p and combined_ctxp. Update users.
5836 (get_formal_tmp_var): Add documentation.
5837 (gimple_boolify): Make extern.
5838 (gimplify_expr_in_ctx): Remove. Update callers.
5839 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
5840 will always be a BIND_EXPR.
5841 (gimplify_expr): Handle OMP_RETURN_EXPR.
5842 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
5843 (OMP_PARALLEL): Add 3 operands.
5844 (OMP_SECTIONS): Add 1 operand.
5845 (OMP_RETURN_EXPR): Define.
5847 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
5848 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
5849 * tree-iterator.c (alloc_stmt_list): Assert that we are not
5850 creating a circular free list.
5851 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
5853 * tree-flow.h (move_sese_region_to_fn): Declare.
5854 (record_vars_into): Declare.
5855 * tree-cfg.c (make_omp_sections_edges): New.
5856 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
5857 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
5858 OMP_SECTIONS and OMP_SECTION.
5859 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
5860 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
5861 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
5862 (gather_blocks_in_sese_region): New.
5863 (struct move_stmt_d): Declare.
5865 (move_block_to_fn): New.
5866 (move_sese_region_to_fn): New.
5868 * passes.c (init_optimization_passes): Schedule
5869 pass_expand_omp after pass_init_datastructures.
5871 * tree-ssa-operands.c (get_expr_operands): Handle
5872 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
5873 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
5875 2006-01-19 Jeff Law <law@redhat.com>
5877 * tree-vrp.c (extract_range_from_assert): Refine the result range
5878 if the variable referenced by the ASSERT_EXPR has a range and
5879 either the tentative result range or the previous range is a
5882 2006-01-19 Richard Sandiford <richard@codesourcery.com>
5884 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
5886 2006-01-19 Jan Hubicka <jh@suse.cz>
5888 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
5890 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
5892 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
5893 (expand_compound_operation, expand_field_assignment): Fail if the
5894 bit lengths of an extract operation are out of range.
5895 (make_extraction): Compute wanted_inner_mode based on the position
5896 and length of the extraction. Make it extraction_mode for non-constant
5897 positions, and do not modify offset in that case. When generating a
5898 new MEM, use a mode that can hold the extraction while keeping correct
5899 alignment. Remove code that supported MEMs wrapped by USEs.
5900 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
5902 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
5904 * config/s390/s390.md ("Y", "y"): New mode attribute.
5905 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
5906 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
5907 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
5908 "*addsi3_imm_cc", "*addsi3_carry1_cc",
5909 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
5910 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
5911 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
5912 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
5913 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
5914 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
5915 "addsi3", "subsi3"): Insn patterns removed.
5916 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
5917 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
5918 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
5919 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
5920 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
5921 "*sub<mode>3_cconly2"): New insn patterns.
5922 ("addsi3", "subsi3"): New expanders.
5924 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
5926 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
5927 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
5928 existing STMT_VINFO_VECTYPE if available.
5929 (vect_mark_relevant): Add special handling for stmts that are
5930 marked as STMT_VINFO_IN_PATTERN_P.
5931 (vect_analyze_loop): Call vect_pattern_recog.
5932 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
5933 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
5935 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
5936 (vect_recog_func_ptr): New function-pointer type.
5937 * tree-vect-patterns.c: New file.
5938 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
5939 (vect_recog_dot_prod_pattern, vect_pattern_recog):
5940 (vect_pattern_recog_1): New functions.
5941 (vect_pattern_recog_funcs): New array of function pointers.
5943 * tree-vectorizer.h (ternary_op): New enum value.
5944 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
5945 declaration. Revised documentation. Removed redundant dump prints.
5946 Removed redundant argument. Added support for reduction patterns.
5947 (vectorizable_reduction): Added support for reduction patterns.
5948 (vect_transform_stmt): Added support for patterns.
5950 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
5951 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
5952 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
5953 (expand_widen_pattern_expr): New function.
5954 (init_optabs): Initialize new optabs udot_prod_optab,
5956 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
5957 (sdot_prod_optab, udot_prod_optab): Define new optabs.
5958 (expand_widen_pattern_expr): New function declaration.
5959 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
5961 * tree-inline.c (estimate_num_insns_1): Added cases for new
5962 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
5963 * tree-pretty-print.c (dump_generic_node): Likewise.
5964 (op_prio): Likewise.
5965 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
5966 * tree-ssa-operands.c (get_expr_operands): Added case for
5968 * tree-vect-patterns.c (widened_name_p): New function.
5969 (vect_recog_dot_prod_pattern): Added function implementation.
5970 * tree-vect-transform.c (get_initial_def_for_reduction): Added
5971 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
5972 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
5973 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
5975 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
5976 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
5977 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
5978 (init_optabs): Initialize new optabs widen_ssum_optab,
5980 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
5981 (widen_ssum_optab, widen_usum_optab): Define new optabs.
5982 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
5983 use instead of type of def.
5984 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
5985 function implementation.
5986 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
5987 widen_ssumv8hi): New.
5989 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
5992 2006-01-19 Richard Sandiford <richard@codesourcery.com>
5995 * c-decl.c (add_flexible_array_elts_to_size): New function.
5996 (finish_decl): Use it.
5998 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
6000 * diagnostic.h: Include options.h.
6001 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
6002 dependancies for diagnostic.h.
6003 * Makefile.in (DIAGNOSTIC_H): Add options.h.
6005 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
6007 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
6008 (ssa_ro_call_cache_valid): Ditto.
6009 * tree-ssa-alias.c (sort_tags_by_id): New function.
6010 (init_transitive_clobber_worklist): Ditto.
6011 (add_to_worklist): Ditto.
6012 (mark_aliases_call_clobbered): Ditto.
6013 (compute_tag_properties): Ditto.
6014 (set_initial_properties): Ditto.
6015 (compute_call_clobbered): Ditto.
6016 (compute_may_aliases): Call compute_call_clobbered and grouping.
6017 (compute_flow_sensitive_aliasing): Remove clobbering related code.
6018 (compute_flow_insensitive_aliasing): Grouping now happens in our
6020 (setup_pointers_and_addressables): Remove clobbering related code.
6021 (add_may_alias): Ditto.
6022 (replace_may_alias): Ditto.
6023 (get_nmt_for): Ditto.
6024 (create_global_var):
6025 (is_escape_site): Return an escape_type enumeration.
6026 * tree-flow-inline.h (is_call_clobbered): Global var does not
6027 imply call clobbered.
6028 (mark_call_clobbered): Take a reason for marking this. Remove
6029 marking of globalness, and cache invalidation.
6030 (clear_call_clobbered): Remove cache invalidation code.
6031 * tree-dfa.c (dump_variable): If details is on, dump the reason
6033 * tree-outof-ssa.c (create_temp): Copy escape mask from original
6035 * tree-flow.h (struct ptr_info_def): Add escape mask member.
6036 (struct var_ann_d): Ditto.
6037 (enum escape_type): New.
6038 (mark_call_clobbered): Adjust prototype.
6039 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
6040 are never call clobbered.
6041 Record reasons for escaping.
6042 * tree-ssa-structalias.h (is_escape_site): Update prototype.
6043 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
6044 (ssa_ro_call_cache_valid): Ditto.
6045 (clobbered_v_may_defs): Ditto.
6046 (clobbered_vuses): Ditto.
6047 (ro_call_vuses): Ditto.
6048 (clobber_stats): New.
6049 (init_ssa_operands): Zero out clobber stats.
6050 (fini_ssa_operands): Print out clobber stats.
6051 (get_call_expr_operands): Pass callee fndecl to
6053 (add_call_clobber_ops): Remove use of cache.
6054 Add use of PURE_CONST information.
6055 (add_call_read_ops): Remove use of cache.
6056 Add use of static not_read information.
6058 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
6060 Introduce TLS descriptors for i386 and x86_64.
6061 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
6062 (TARGET_ANY_GNU_TLS): New macro.
6063 (enum tls_dialect): Added TLS_DIALECT_GNU2.
6064 (struct machine_function): Add tls_descriptor_call_expanded_p.
6065 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
6066 (ix86_current_function_calls_tls_descriptor): Likewise.
6067 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
6068 (override_options): Introduce gnu2 tls dialect.
6069 (ix86_frame_pointer_required): Functions containing TLSCALLs are
6071 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
6073 (legitimize_tls_address): Adjust logic for GNU2 TLS.
6074 (ix86_init_machine_status): Initialize new field.
6075 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
6076 (ix86_tls_module_base): New.
6077 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
6078 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
6079 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
6080 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
6081 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
6082 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
6083 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
6084 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
6085 * config/i386/predicates.md (tls_modbase_operand): New.
6086 (tp_or_register_operand): New.
6088 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
6090 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
6091 (look_for_address_of): Ditto.
6092 (ipa_init): Walk the function decls.
6093 (static_execute): Don't set readonly on FUNCTION_DECL's.
6095 2006-01-18 Roger Sayle <roger@eyesopen.com>
6097 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
6098 for shifts where the source and destination registers are different.
6100 2006-01-18 Paul Brook <paul@codesourcery.com>
6102 Merge from csl-arm-branch.
6103 2005-03-14 Julian Brown <julian@codesourcery.com>
6104 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
6105 (aeabi_llsl): Likewise.
6106 (ashrdi3): Likewise.
6107 (aeabi_lasr): Likewise.
6108 (lshrdi3): Likewise.
6109 (aeabi_llsr): Likewise.
6110 2005-03-10 Julian Brown <julian@codesourcery.com>
6111 * config.gcc: Disable shared libgcc for SymbianOS.
6112 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
6114 2006-01-18 DJ Delorie <dj@redhat.com>
6116 * c-pragma.c (handle_pragma_diagnostic): New.
6117 (init_pragma): Register it.
6118 * doc/extend.texi: Document it.
6120 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
6121 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
6122 (diagnostic_context): Add classify_diagnostic[].
6123 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
6124 as errors if they're overridden to DK_WARNING.
6125 (diagnostic_initialize): Initialize classify_diagnostic[].
6126 (diagnostic_set_kind_override): New.
6127 (diagnostic_report_diagnostic): Check for kind changes.
6128 * opts.c (common_handle_option): Take lang_mask. Update callers.
6130 * common.opt (Werror=): New.
6131 * doc/invoke.texi: Document -Werror=*
6133 2006-01-18 Jeff Law <law@redhat.com>
6135 * tree-vrp.c (test_for_singularity): Correct test for new
6136 min limit. Use operand_equal_p rather than pointer equality
6137 for testing if new min/max values are equal.
6139 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
6140 using range information until after propagation and folding.
6142 2006-01-18 Richard Henderson <rth@redhat.com>
6143 Aldy Hernandez <aldyh@redhat.com>
6144 Jakub Jelinek <jakub@redhat.com>
6145 Diego Novillo <dnovillo@redhat.com>
6147 * omp-low.c: New file.
6148 * c-omp.c: New file.
6150 2006-01-18 Richard Henderson <rth@redhat.com>
6151 Jakub Jelinek <jakub@redhat.com>
6152 Diego Novillo <dnovillo@redhat.com>
6154 * doc/invoke.texi: Document -fopenmp.
6155 * tree-dump.h (debug_function): Declare.
6156 * hooks.c (hook_bool_tree_bool_false): New function.
6157 (hook_tree_tree_null): Remove.
6158 (hook_tree_tree_tree_null): New.
6159 * hooks.h: Update to match.
6160 * tree-pretty-print.c (debug_tree_chain): New.
6161 (print_generic_expr): Handle TDF_CHAIN.
6162 (dump_generic_node): Handle BLOCK.
6163 Do not abort with incomplete SWITCH_EXPRs.
6164 Do not dump body of an OpenMP directive if TDF_SLIM is given.
6165 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
6166 print space after directive name.
6167 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
6168 Handle OMP_MASTER and OMP_ORDERED.
6169 Handle printing of OMP_BODY just in one place, goto
6170 dump_omp_body in the rest of OMP_* nodes that have
6172 Don't handle clause nodes here. Update omp statements to
6173 use dump_omp_clauses.
6174 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
6175 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
6176 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
6177 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
6178 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
6179 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
6180 Adjust output for GOMP_PARALLEL.
6181 (dump_omp_clauses): New.
6182 (print_declaration): Dump DECL_VALUE_EXPR.
6183 (op_symbol_1): Split out of op_symbol.
6184 (dumping_stmts): Remove. Update all users.
6185 * cgraph.c (cgraph_analyze_queue): New.
6186 (cgraph_add_new_function): New.
6187 * cgraph.h (cgraph_analyze_queue): Declare.
6188 (cgraph_add_new_function): Declare.
6189 (cgraph_lower_function): Remove.
6190 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
6191 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
6192 and TYPE_P nodes in its default clause.
6193 (empty_body_p): New.
6194 (tree_range_check_failed): New.
6196 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
6197 OMP_CLAUSE_REDUCTION_MERGE,
6198 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
6199 OMP_CLAUSE_PRIVATE_DEBUG,
6200 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
6201 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
6202 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
6203 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
6204 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
6205 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
6206 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
6207 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
6208 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
6209 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
6210 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
6211 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
6212 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
6213 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
6214 (TREE_RANGE_CHECK): New.
6215 (empty_body_p): Declare.
6216 (enum omp_clause_default_kind): New.
6217 (build_string_literal): Declare.
6218 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
6219 (build5_stat, build5): Declare.
6220 * tree-pass.h (TDF_CHAIN): Define.
6221 * tree-pass.h (PROP_gimple_lomp): Define.
6222 (pass_lower_omp): Declare.
6223 * diagnostic.h (debug_tree_chain): Declare.
6224 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
6226 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
6227 * builtins.c (build_string_literal): Make extern.
6228 * gcc.c (include_spec_function): New.
6229 (static_spec_functions): Add it.
6230 (main): Move load of libgomp.spec ...
6231 (LINK_COMMAND_SPEC): ... here.
6232 (link_gomp_spec): New.
6233 (static_specs): Include it.
6234 (LINK_COMMAND_SPEC): Add link_gomp.
6235 (GOMP_SELF_SPECS): New.
6236 (driver_self_specs): Include it.
6237 (switch_matches): Don't mark inline.
6238 (main): Load libgomp.spec.
6239 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
6240 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
6241 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
6242 * tree-gimple.h (enum omp_parallel): Declare.
6243 (determine_parallel_type): Declare.
6244 (omp_firstprivatize_variable): Declare.
6245 (omp_reduction_init): Declare.
6246 (diagnose_omp_structured_block_errors): Declare.
6247 (struct walk_stmt_info): Add want_return_expr.
6248 (struct walk_stmt_info): Add want_bind_expr, want_locations.
6249 (find_omp_clause): Declare.
6250 (insert_field_into_struct): Declare.
6251 (struct walk_stmt_info): Move from tree-nested.c
6252 (walk_stmts): Declare.
6253 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
6255 * cgraphunit.c (cgraph_lower_function): Make static.
6256 (cgraph_finalize_pending_functions): New.
6257 (cgraph_finalize_function): Call it.
6258 (cgraph_finalize_compilation_unit): Likewise.
6259 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
6260 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
6261 (BT_FN_UINT_UINT): New.
6262 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
6263 DEF_FUNCTION_TYPE_VAR_4): Document.
6264 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
6265 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
6266 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
6267 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
6268 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
6269 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
6270 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
6271 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
6272 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
6273 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
6274 into separate files.
6275 (DEF_GOMP_BUILTIN): New.
6276 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
6277 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
6278 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
6279 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
6280 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
6281 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
6282 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
6283 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
6284 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
6285 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
6286 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
6287 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
6288 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
6289 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
6290 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
6291 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
6292 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
6293 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
6294 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
6295 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
6296 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
6297 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
6298 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
6299 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
6300 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
6301 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
6302 * sync-builtins.def: New file, moved from builtins.def.
6303 * omp-builtins.def: New file, moved from builtins.def.
6304 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
6305 * gimple-low.c (lower_function_body): Clear data.
6306 (lower_stmt): Do not handle COMPOUND_EXPR.
6307 Remove call to print_node_brief.
6308 * c-tree.h (c_finish_omp_clauses): New prototype.
6309 (C_DECL_THREADPRIVATE_P): Define.
6310 (lookup_name_no_remap, c_omp_remap_private): Remove
6311 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
6312 (check_for_loop_decls): Update decl.
6313 (lookup_name_no_remap, c_omp_remap_private): Declare.
6314 (build_indirect_ref, build_modify_expr, pushdecl,
6315 pushdecl_top_level): Move to c-common.h.
6316 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
6317 before the switch, but just in the 2 places that need it.
6318 * c-decl.c (diagnose_mismatched_decls): Do not check for
6319 mismatched thread-local attributes when OLDDECL is marked
6320 threadprivate and NEWDECL has no thread-local attributes.
6321 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
6322 (c_gimple_diagnostics_recursively): Rename from
6323 c_warn_unused_result_recursively. Invoke
6324 diagnose_omp_structured_block_errors.
6325 (check_for_loop_decls): Return a singular decl found.
6326 * langhooks.c (lhd_omp_predetermined_sharing): Return
6327 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
6328 (lhd_omp_firstprivatize_type_sizes): New.
6329 (lhd_omp_assignment): New.
6330 (lhd_omp_predetermined_sharing): New.
6331 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
6332 (struct lang_hooks_for_types): Add
6333 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
6334 omp_predetermined_sharing, omp_disregard_value_expr,
6335 omp_private_debug_clause, omp_clause_default_ctor,
6336 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
6337 (c_finish_omp_clauses): New.
6338 (c_finish_bc_stmt): Diagnose break within omp for.
6339 (c_begin_omp_parallel, c_finish_omp_parallel): New.
6340 (build_unary_op): Return error_mark after reporting
6342 (build_modify_expr): Likewise.
6343 * gimplify.c: Include optabs.h and pointer-set.h.
6344 (enum gimplify_omp_var_data): Declare.
6345 (struct gimplify_omp_ctx): Declare.
6346 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
6348 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
6349 (push_gimplify_context, pop_gimplify_context): Allow nesting.
6350 (splay_tree_compare_decl_uid): New.
6351 (new_omp_context): New.
6352 (delete_omp_context): New.
6353 (gimple_add_tmp_var): Call omp_add_variable.
6354 (gimplify_bind_expr): Likewise.
6355 (gimplify_var_or_parm_decl): If omp_notice_variable returned
6356 true, disregard DECL_VALUE_EXPR on the decl if any.
6357 (gimplify_expr_in_ctx): New.
6358 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
6359 omp_add_variable, omp_notice_variable, omp_is_private
6360 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
6361 gimplify_adjust_omp_clauses, gimplify_omp_parallel
6362 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
6363 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
6364 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
6365 gimplify_omp_atomic): New.
6366 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
6367 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
6368 OMP_CRITICAL and OMP_ATOMIC.
6369 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
6370 * c-pragma.h (enum pragma_kind): Add
6371 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
6372 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
6373 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
6374 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
6375 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
6376 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
6377 PRAGMA_OMP_THREADPRIVATE.
6378 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
6379 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
6380 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
6381 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
6382 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
6383 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
6384 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
6385 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
6386 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
6387 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
6388 * tree-ssa-dce.c (find_control_dependence): Do not assume that
6389 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
6390 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
6392 (struct nesting_info): Add field_map,
6393 suppress_expansion, debug_var_chain.
6394 (create_nesting_tree): Initialize them.
6395 (lookup_field_for_decl): Use field_map.
6396 (get_nonlocal_debug_decl, get_local_debug_decl): New.
6397 (convert_local_omp_clauses): New.
6398 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
6399 (walk_body): Split out of walk_function.
6400 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
6401 (convert_nonlocal_reference): Handle omp statements.
6402 (convert_local_reference): Likewise.
6403 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
6404 (unnest_nesting_tree): New.
6405 (lower_nested_functions): Call it.
6406 (insert_field_into_struct): Make extern.
6407 (struct walk_stmt_info): Move to tree-gimple.h.
6408 (walk_stmts): Make extern.
6409 * omp-builtins.def: New file.
6410 * tree-iterator.c (expr_only): Clarify comment.
6411 * c-common.h (pushdecl_top_level, pushdecl,
6412 build_modify_expr, build_indirect_ref,
6413 c_finish_omp_master, c_finish_omp_critical,
6414 c_finish_omp_ordered, c_finish_omp_barrier,
6415 c_finish_omp_atomic, c_finish_omp_flush,
6416 c_finish_omp_for, c_split_parallel_clauses,
6417 omp_clause_default_kind, c_omp_sharing_predetermined,
6418 c_omp_remap_decl): Declare.
6419 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
6420 (OBJS-common): Add omp-low.o.
6421 (c-omp.o, omp-low.o): Add.
6422 (gimplify.o): Add dependency on $(OPTABS_H).
6423 (GTFILES): Add omp-low.c.
6424 (gt-stringpool.h): Add.
6425 * tree-cfg.c (set_bb_for_stmt): Do not update the
6426 block-to-labels map if we are currently expanding to RTL.
6427 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
6429 Handle IDENTIFIER_NODE.
6430 (tree_verify_flow_info): Do not ICE when emitting error
6431 messages about invalid labels.
6432 (dump_function_to_file): Reset CFUN before emitting the body
6434 (debug_function): New.
6435 * passes.c (init_optimization_passes): Schedule
6437 * langhooks-def.h (lhd_omp_predetermined_sharing,
6438 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
6440 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
6441 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
6442 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
6443 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
6444 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
6445 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
6446 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
6447 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
6448 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
6449 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
6450 (LANG_HOOK_DECLS): Use them.
6452 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
6453 Richard Henderson <rth@redhat.com>
6454 Jakub Jelinek <jakub@redhat.com>
6455 Diego Novillo <dnovillo@redhat.com>
6457 * c-parser.c (pragma_omp_clause): Define.
6458 (c_parser_declaration_or_fndef): Document OpenMP syntax.
6459 (c_parser_compound_statement): Likewise.
6460 (c_parser_statement): Likewise.
6461 (c_parser_pragma): Handle omp pragmas.
6462 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
6463 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
6464 (c_parser_omp_clause_name, check_no_duplicate_clause,
6465 c_parser_omp_variable_list,
6466 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
6467 c_parser_omp_clause_copyprivate,
6468 c_parser_omp_clause_default,
6469 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
6470 c_parser_omp_clause_lastprivate,
6471 c_parser_omp_clause_nowait,
6472 c_parser_omp_clause_num_threads,
6473 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
6474 c_parser_omp_clause_reduction,
6475 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
6476 c_parser_omp_all_clauses, c_parser_omp_structured_block,
6477 c_parser_omp_atomic, c_parser_omp_barrier,
6478 c_parser_omp_critical, c_parser_omp_flush,
6479 c_parser_omp_for_loop, c_parser_omp_for,
6480 c_parser_omp_master, c_parser_omp_ordered,
6481 c_parser_omp_sections_scope, c_parser_omp_sections,
6482 c_parser_omp_parallel, c_parser_omp_single,
6483 c_parser_omp_construct, c_parser_omp_threadprivate): New.
6484 * c-pragma.c (init_pragma): Do omp pragma registration here.
6485 * c.opt (fopenmp): New flag.
6487 2006-01-18 Eric Christopher <echristo@apple.com>
6489 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
6490 * config/darwin.h (GOMP_SELF_SPECS): Define.
6492 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
6494 * rtl.h: Remove the prototype for reg_alloc.
6496 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6499 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
6500 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
6501 sjlj and dwarf2 exception handling.
6502 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
6503 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
6504 * pa/pa.c (function_value): Treat complex and vector types as
6506 (function_arg): Likewise. Only pass scalar floats in the floating
6507 point argument registers.
6508 * pa/t-slibgcc-dwarf-ver: New file.
6509 * pa/t-slibgcc-sjlj-ver: New file.
6510 * pa/t-slibgcc-elf-ver: Delete file.
6512 2006-01-19 Alan Modra <amodra@bigpond.net.au>
6514 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
6515 unlikely_test_section_p test.
6517 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
6519 * mode-switching.c (optimize_mode_switching): Make it static.
6520 * basic-block.h: Remove the prototype for
6521 optimize_mode_switching.
6523 * modulo-sched.c (sms_schedule): Make it static.
6524 * rtl.h: Remove the prototype for sms_schedule.
6526 * postreload-gcse.c (gcse_after_reload_main): Make it static.
6527 * rtl.h: Remove the prototype for gcse_after_reload_main.
6529 * reg-stack.c (reg_to_stack): Make it static.
6530 * rtl.h: Remove the prototype for reg_to_stack.
6532 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
6534 * rtl.h: Remove the prototypes for regrename_optimize and
6535 copyprop_hardreg_forward.
6537 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
6539 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
6540 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
6541 Test against the appropriate null constant for the mode.
6542 If 'fixup_overlap' is true, swap the operands if they overlap.
6543 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
6544 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
6545 alpha_split_tmode_pair and adjust for above change.
6546 * config/alpha/alpha.md (movtf_internal): Adjust call to
6547 alpha_split_tfmode_pair and rely on it to swap the operands.
6548 (movti_internal): New insn and post-reload splitter.
6549 (movti): New expander.
6551 2006-01-18 Philippe De Muyter <phdm@macqel.be>
6553 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
6556 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
6558 * rtlanal.c (global_reg_mentioned_p_1,
6559 global_reg_mentioned_p): Remove.
6560 * rtl.h: Remove the prototype for global_reg_mentioned_p.
6562 * flow.c (initialize_uninitialized_subregs): Make it static.
6563 * rtl.h: Remove the prototype for
6564 initialize_uninitialized_subregs.
6566 * function.c (instantiate_virtual_regs): Make it static.
6567 * function.h: Remove the prototype for
6568 instantiate_virtual_regs.
6570 * regmove.c (regmove_optimize, combine_stack_adjustments):
6572 * rtl.h: Remove the prototypes for regmove_optimize and
6573 combine_stack_adjustments.
6575 2006-01-17 Roger Sayle <roger@eyesopen.com>
6577 * config/i386/i386.c (COSTS_N_BYTES): New macro.
6578 (size_cost): Encode costs in bytes so that a reg-reg addition is
6579 equivalent to COSTS_N_INSNS(1).
6580 (override_options): Use the size_cost.branch_cost as the default
6581 ix86_branch_cost when optimizing for size.
6583 2006-01-18 Ben Elliston <bje@au.ibm.com>
6585 * Makefile.in (D32PBIT_FUNCS): New.
6586 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
6587 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
6588 D64PBIT_FUNCS and D128PBIT_FUNCS.
6589 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
6590 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
6592 (decnumber_dep): Define.
6593 * doc/libgcc.texi (Decimal float library routines): New node.
6594 * config/dfp-bit.h, config/dfp-bit.c: New files.
6596 2006-01-18 Ben Elliston <bje@au.ibm.com>
6598 * expr.c (emit_move_change_mode): Always adjust addresses, not
6599 just during reload. Copy replacements only during reload.
6600 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
6601 emit_move_via_integer.
6603 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
6605 * Makefile.in (check-%, check-consistency): Use $${srcdir}
6606 instead of $(srcdir) and ${srcdir}.
6608 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
6612 * arm.h (struct machine_function): Add pic_reg.
6613 * arm.c (arm_pic_register): Make unsigned.
6614 (arm_override_options): Only set arm_pic_register if
6615 TARGET_SINGLE_PIC_BASE.
6616 (use_return_insn): Only test for a pic register if it is fixed.
6617 (arm_compute_save_reg0_reg12_mask): Likewise.
6618 (thumb_compute_save_reg_mask): Likewise.
6619 (legitimate_pic_operand): Factor out some known invariants.
6620 (legitimize_pic_address): If we don't have a fixed pic register,
6621 then set up a pseudo in the function entry sequence. Handle the
6622 pic base being in a pseudo.
6623 (arm_load_pic_register): Handle the pic register being in a pseudo.
6624 (arm_expand_prologue): Only set up the pic register if it is fixed.
6625 (thumb_expand_prologue): Likewise.
6626 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
6627 (pic_load_addr_based_insn): Likewise.
6628 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
6631 2006-01-18 Ben Elliston <bje@au.ibm.com>
6633 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
6634 decimal float modes for all floating point registers.
6636 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
6637 match_code "mem" with match_test "macho_lo_sum_memory_operand".
6639 2006-01-17 Jakub Jelinek <jakub@redhat.com>
6642 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
6643 even when the pointer is not NULL.
6645 2006-01-16 Ian Lance Taylor <ian@airs.com>
6647 * common.opt (ftoplevel-reorder): New option.
6648 * cgraph.c (cgraph_asm_nodes): New global variable.
6649 (cgraph_asm_last_node): New static variable.
6650 (cgraph_order): New global variable.
6651 (cgraph_create_node): Set new order field.
6652 (cgraph_varpool_node): Likewise.
6653 (decide_is_variable_needed): Return true if not
6654 flag_toplevel_reorder.
6655 (cgraph_add_asm_node): New function.
6656 * cgraph.h (struct cgraph_node): Add order field.
6657 (struct cgraph_varpool_node): Add order field.
6658 (struct cgraph_asm_node): Define.
6659 (cgraph_asm_nodes, cgraph_order): Declare.
6660 (cgraph_add_asm_node): Declare.
6661 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
6663 (cgraph_varpool_assemble_pending_decls): Call it.
6664 (cgraph_output_pending_asms): New static function.
6665 (cgraph_finalize_compilation_unit): Call it.
6666 (struct cgraph_order_sort): Define.
6667 (cgraph_output_in_order): New static function.
6668 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
6669 !flag_toplevel_reorder case.
6670 * c-parser.c: Include "cgraph.h".
6671 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
6673 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
6674 than -fno-unit-at-a-time.
6675 * doc/invoke.texi (Option Summary): Mention
6676 -fno-toplevel-reorder.
6677 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
6678 -funit-at-a-time documentation.
6680 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
6681 Kazu Hirata <kazu@codesourcery.com>
6683 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
6685 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
6687 * Makefile.in (FUNCTION_H): New. Use it instead of
6688 function.h throughout the file.
6689 * function.h: Include tree.h.
6691 2006-01-17 Ben Elliston <bje@au.ibm.com>
6693 * recog.c: Separate some functions with whitespace.
6695 2006-01-16 Richard Henderson <rth@redhat.com>
6697 Merge from gomp branch:
6698 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
6699 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
6700 and rename from struct inline_data. Rename callee* to dst*;
6701 caller* to src*; add copy_decl hook, transform_call_graph_edges,
6702 transform_new_cfg, transform_return_to_modify, and
6703 transform_lang_insert_block flags; remove cloning_p, versioning_p,
6705 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
6706 (copy_decl_for_dup): Remove.
6707 * tree-inline.c (struct inline_data): Move to header.
6708 (insert_decl_map): Export.
6709 (remap_decl): Update for member name changes. Use copy_decl hook.
6710 Allow for replacement to be a non-decl. Remove dead code.
6711 (remap_type_1): Check for existing mapping.
6712 (remap_type): Export.
6713 (remap_decls): Update for member name changes.
6714 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
6715 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
6716 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
6717 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
6718 (tree_function_versioning, build_duplicate_type): Likewise.
6719 (copy_body_r): Likewise. Export.
6720 (copy_decl_for_dup): Split into ...
6721 (copy_decl_for_dup_finish, copy_decl_to_var,
6722 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
6723 (replace_ref_tree, inlining_p): Remove.
6725 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
6727 * ifcvt.c (if_convert): Make it static.
6728 * rtl.h: Remove the prototype for if_convert.
6730 * local-alloc.c (local_alloc): Make it static.
6731 * rtl.h: Remove the prototype for local_alloc.
6733 * loop.c (loop_optimize): Make it static.
6734 * cfgloop.h: Remove the prototype for loop_optimize.
6737 2006-01-16 DJ Delorie <dj@redhat.com>
6739 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
6742 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6744 * pa.md: Disparage copies between general and floating-point registers
6745 in 32-bit move patterns.
6747 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
6750 * Makefile.in (check-%): Depend on site.exp instead of
6751 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
6754 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
6756 * global.c (global_alloc): Make it static.
6757 * rtl.h: Remove the prototype for global_alloc.
6759 2006-01-16 Richard Guenther <rguenther@suse.de>
6761 * tree-ssa-alias.c (struct used_part): Add write_only field.
6762 (get_or_create_used_part_for): Initialize it to true.
6763 (create_overlap_variables_for): Don't create structure variables
6764 for structures that only are written to.
6765 (find_used_portions): Handle MODIFY_EXPR to track whether a
6766 structure is only written to.
6768 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
6770 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
6772 * basic-block.h: Remove the prototype for
6773 partition_hot_cold_basic_blocks.
6775 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
6777 * cppspec.c (lang_specific_spec_functions): Remove.
6778 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
6779 * gcc.h (lang_specific_spec_functions): Remove.
6780 * gccspec.c (lang_specific_spec_functions): Remove.
6782 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
6784 * combine.c (record_value_for_reg): Invalidate registers
6786 (record_dead_and_set_regs_1): Likewise, by passing them to
6787 record_value_for_reg.
6788 (record_dead_and_set_regs): Invalidate stores made by a
6789 call. We do not combine across a call, but we still
6790 relied on equivalences.
6792 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
6794 * tree-vrp.c (extract_range_from_binary_expr): Cope with
6795 vrp_int_const_binop returning non-constant nodes.
6797 2006-01-16 Paul Brook <paul@codesourcery.com>
6799 * config/m68k/m68k.c (output_move_const_into_data_reg):
6800 Output correct mnemonic for mvz and mvs.
6802 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
6804 * rtl-factoring.c: Add sequence abstraction algorithm.
6805 * cfgcleanup.c (outgoing_edges_match): Extra checks.
6806 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
6808 (block_has_preserve_label): New function.
6809 * common.opt: Register new pass.
6810 * Makefile.in: Ditto.
6812 * timevar.def: Ditto.
6813 * tree-pass.h: Ditto.
6814 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
6815 * rtl.h (make_jump_insn_raw): Add forward decl.
6816 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
6818 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
6819 Roger Sayle <roger@eyesopen.com>
6821 * fold-const.c (fold_minmax): New static function.
6822 (fold_binary) <MIN_EXPR>: Call it.
6823 <MAX_EXPR>: Likewise.
6824 * stor-layout.c (place_field): Use DECL_SIZE consistently
6825 in the computation of the new record size.
6827 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
6829 * cse.c (cse_condition_code_reg): Make it static.
6830 * rtl.h: Remove the prototype for cse_condition_code_reg.
6832 * combine.c (combine_instructions): Make it static.
6833 * rtl.h: Remove the prototype for combine_instructions.
6835 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6838 * tree.c (get_file_function_name_long): Concatenate the first global
6839 object name with a string derived from the input filename of the object
6842 2006-01-16 Ben Elliston <bje@au.ibm.com>
6844 * config/i386/winnt-stubs.c: Update FSF address.
6845 * config/xtensa/ieee754-df.S: Ditto.
6846 * config/xtensa/ieee754-sf.S: Ditto.
6848 2006-01-14 Ian Lance Taylor <ian@airs.com>
6850 * ifcvt.c (noce_init_if_info): New static function, broken out of
6851 noce_process_if_block.
6852 (noce_process_if_block): Call noce_init_if_info.
6853 (check_cond_move_block): New static function.
6854 (cond_move_process_if_block): New static function.
6855 (process_if_block): Call cond_move_process_if_block.
6857 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
6859 * cselib.c (hash_table): Rename to cselib_hash_table.
6860 (cselib_clear_table, discard_useless_values,
6861 remove_useless_values, cselib_lookup_mem, cselib_lookup,
6862 cselib_init, cselib_finish): Adjust uses of hash_table.
6864 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
6866 PR tree-optimization/25485
6867 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
6868 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
6869 is known to be false and true, respectively.
6871 2006-01-14 Richard Guenther <rguenther@suse.de>
6873 PR tree-optimization/22548
6874 PR tree-optimization/22555
6875 PR tree-optimization/22501
6876 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
6877 * params.def (salias-max-array-elements): New parameter.
6878 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
6879 * doc/invoke.texi (salias-max-array-elements): Document.
6880 * tree-flow-inline.h (var_can_have_subvars): We also handle
6882 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
6884 * tree-ssa-structalias.c (params.h): Include.
6885 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
6886 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
6887 (get_constraint_for): For ADDR_EXPR operating on something
6888 containing an ARRAY_REF, add all subvars to the solution.
6889 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
6890 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
6891 for creating MUST_DEFs.
6892 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
6894 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
6896 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
6898 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
6899 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
6900 number_of_iterations_le): New functions.
6901 (number_of_iterations_special): Removed.
6902 (number_of_iterations_exit): Do not use number_of_iterations_special.
6903 * tree.c (unsigned_type_for): Always return integer type.
6905 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
6906 Richard Guenther <rguenther@suse.de>
6908 PR rtl-optimization/24257
6909 * gcse.c (find_moveable_store): Only consider a store movable
6910 when the SET_SRC of the insn can be assigned to a register.
6912 2006-01-14 Ian Lance Taylor <ian@airs.com>
6914 * tree.c (tree_not_class_check_failed): New function.
6915 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
6916 (tree_not_class_check_failed): Declare.
6918 2006-01-13 Ian Lance Taylor <ian@airs.com>
6920 * reload1.c (do_output_reload): Add assertion rejecting a
6923 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
6925 * combine.c (struct reg_stat): Add new fields truncation_label and
6927 (record_value_for_reg): Reset truncated_to_mode.
6928 (record_truncated_value): New function.
6929 (check_promoted_subreg): Call it. Rename to check_conversions.
6930 (combine_instructions): Rename check_promoted_subreg to
6932 (reg_truncated_to_mode): New function.
6933 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
6934 (gen_lowpart_or_truncate): New function.
6935 (force_to_mode): Use it instead of gen_lowpart.
6937 2006-01-13 Diego Novillo <dnovillo@redhat.com>
6939 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
6940 VAR is a tag, not its type tag.
6942 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
6944 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
6945 alternatives to match style of other entries.
6946 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
6948 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
6950 PR tree-optimization/25771
6951 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
6954 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
6957 * tree-inline.c (declare_return_variable): If the return variable
6958 was marked as a non gimple complex, set the return slot variable
6959 to be a non gimple comple variable.
6961 2006-01-13 Richard Guenther <rguenther@suse.de>
6963 * builtins.c (expand_builtin_sincos): New function.
6964 (expand_builtin_mathfn_3): Remove dead code, sin and cos
6966 (expand_builtin): Expand sincos using expand_builtin_sincos.
6968 2006-01-12 DJ Delorie <dj@redhat.com>
6970 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
6971 shift counts, separate SI shifts for m32c vs m16c, pass shift type
6972 so that constant shifts can be split.
6973 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
6974 (m32c_valid_pointer_mode): Make static.
6975 (shift_gen_func_for): New.
6976 (m32c_prepare_shift): Use it. Split large const shifts into
6978 * config/m32c/predicates.md (shiftcount_operand): Allow more
6980 (longshiftcount_operand): New.
6981 * doc/md.texi (Machine Constraints): Document In6.
6983 2006-01-13 Ben Elliston <bje@au.ibm.com>
6985 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
6986 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
6989 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
6991 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
6992 to try to avoid clobbering pieces of structures when we know
6993 something about the whole structure.
6994 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
6996 2006-01-13 Ben Elliston <bje@au.ibm.com>
6998 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
6999 return in memory, as this is no limitation is no longer present.
7001 2006-01-12 DJ Delorie <dj@redhat.com>
7003 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
7004 mova with fb, and for fb+0 -> An.
7006 * config/m32c/mov.md (peephole2): Fix enabling logic.
7008 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
7009 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
7010 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
7011 FINI_ARRAY_SECTION_ASM_OP): Define.
7013 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
7015 (m32c_legitimize_reload_address): New logic to reload FB to An.
7016 (m32c_output_reg_push): Add newline.
7017 (m32c_output_reg_pop): Likewise.
7019 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
7021 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
7023 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
7025 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
7027 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7029 * config/sh/predicates.md (sh_rep_vec): Add parallel to
7032 2006-01-11 Ben Elliston <bje@au.ibm.com>
7034 * rtlanal.c (find_reg_note): Assert insn is not null.
7036 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
7038 * df-scan.c (df_hard_reg_init): Move declaration of i outside
7041 2006-01-11 Jeff Law <law@redhat.com>
7043 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
7045 (mark_threaded_blocks, register_jump_thread): New functions.
7046 (thread_through_all_blocks): Remove unwanted argument. No
7047 longer rely on e->aux to communicate thread target info.
7048 Call mark_threaded_blocks. Release the threaded_blocks
7049 bitmap and threaded_edges vector when complete.
7050 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
7051 (threaded_blocks): Remove.
7052 (tree_ssa_dominator_optimize): Remove initialization and
7053 finalization of threaded_blocks. Simplify call to
7054 thread_through_all_blocks.
7055 (thread_across_edge): Call register_jump_thread rather than
7056 storing thread information into e->aux.
7057 (free_all_edge_infos): Simplify now that e->aux is no longer
7058 used to communicate with thread_through_all_blocks.
7059 * tree-flow.h (thread_through_all_blocks): Update prototype.
7060 (register_jump_thread): Prototype.
7062 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7064 * df-core.c (df_compact_blocks, df_bb_replace): Use
7065 SET_BASIC_BLOCK instead of BASIC_BLOCK.
7067 2006-01-11 Richard Guenther <rguenther@suse.de>
7069 PR tree-optimization/25734
7070 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
7071 stop propagation after successful propagation to the LHS.
7073 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7075 * basic-block.h (control_flow_graph): Change the type of
7076 x_basic_block_info to VEC(basic_block,gc) *.
7077 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
7079 (SET_BASIC_BLOCK): New.
7080 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
7081 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
7082 * cfgbuild.c (find_basic_blocks): Likewise.
7083 * cfglayout.c (fixup_reorder_chain): Likewise.
7084 * cfgrtl.c (create_basic_block_structure,
7085 rtl_create_basic_block): Likewise.
7086 * ifcvt.c (find_if_case_1): Likewise.
7087 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
7090 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
7092 * Makefile.in: Removed rotted odf.c entry.
7094 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
7097 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
7098 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
7099 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
7100 output pattern modifier, not %e.
7101 * config/cris/cris.c (cris_op_str): Update comment about pattern
7103 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
7104 before falling through into...
7105 <case 'E'>: Redefined from old 'e' case.
7107 2006-01-11 Jan Hubicka <jh@suse.cz>
7110 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
7112 2006-01-11 Jan Hubicka <jh@suse.cz>
7114 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
7115 * i386.c (x86_decompose_lea): Kill.
7116 (ix86_rtx_costs): Kill.
7118 2006-01-11 Jan Hubicka <jh@suse.cz>
7120 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
7121 * cgraph.h (cgraph_node): Add inline_decl.
7122 (cgraph_insert_node_to_hashtable): Declare.
7123 (save_inline_function_body): Declare.
7124 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
7126 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
7127 (cgraph_function_versioning): Update call of tree_function_versioning.
7128 (save_inline_function_body): New function.
7129 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
7130 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
7131 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
7132 (cgraph_default_inline_p): Likewise.
7133 (cgraph_decide_inlining_incrementally): Likewise.
7134 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
7135 (copy_bb): Kill saving; do updating of clones.
7136 (copy_cfg_body): Kill saving.
7137 (initialize_inlined-parameters): Likewise.
7138 (expand_call_inline): Likewise.
7140 (tree_function_versioning): New parameter "update_clones".
7141 (inlining_p): Kill saving.
7142 * tree-inline.h (tree_function_versioning): Update prototype.
7143 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
7146 2006-01-11 Ian Lance Taylor <ian@airs.com>
7148 * combine.c (struct undo): Remove is_int. Enumify types of undos.
7149 Allow undoing set of machine mode.
7150 (do_SUBST): Use enums instead of is_int.
7151 (do_SUBST_MODE): New function.
7152 (SUBST_MODE): New macro.
7153 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
7154 reg and trying to replace reg_regno_rtx with a new register.
7155 (undo_all): Use new enums, handle undoing a PUT_MODE change.
7156 (simplify_set): Use SUBST_MODE.
7157 (distribute_notes): Remove code that tried to update reg notes
7158 for regno_reg_rtx changes.
7160 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
7162 PR tree-optimization/23109
7163 PR tree-optimization/23948
7164 PR tree-optimization/24123
7166 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
7167 * tree-cfg.c (single_noncomplex_succ): New.
7168 * tree-flow.h (single_noncomplex_succ): Declare it.
7169 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
7170 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
7171 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
7172 insert_bb, register_division_in, insert_reciprocals,
7173 replace_reciprocal, free_bb): New.
7174 (execute_cse_reciprocals_1): Rewritten.
7175 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
7176 Do not commit any edge insertion. Always compute dominators and
7177 create the allocation pool.
7178 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
7179 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
7180 * targhooks.c (default_min_divistions_for_recip_mul): New.
7181 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
7182 * passes.c (init_optimization_passes): Run recip after tree loop
7184 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
7186 2006-01-11 Danny Berlin <dberlin@dberlin.org>
7187 Kenneth Zadeck <zadeck@naturalbridge.com>
7189 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
7190 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
7191 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
7192 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
7193 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
7194 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
7195 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
7196 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
7197 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
7198 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
7199 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
7200 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
7201 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
7202 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
7203 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
7204 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
7205 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
7206 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
7207 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
7208 DF_SCAN_POST_ALLOC): New macros.
7209 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
7210 df_free_bb_function, df_local_compute_function, df_init_function,
7211 df_dataflow_function, df_confluence_function_0,
7212 df_confluence_function_n, df_transfer_function,
7213 df_finalizer_function, df_free_function, df_dump_problem_function,
7214 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
7215 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
7216 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
7217 df_urec_bb_info, ) New types.
7218 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
7220 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
7221 df_analyze_simple_change_some_blocks,
7222 df_analyze_simple_change_one_block, df_compact_blocks,
7223 df_bb_replace, df_bb_regno_last_use_find,
7224 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
7225 df_insn_regno_def_p, df_find_def, df_find_use,
7226 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
7227 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
7228 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
7229 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
7230 debug_df_chain, df_get_dependent_problem, df_chain_create,
7231 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
7232 df_grow_bb_info, df_chain_dump, df_print_bb_index,
7233 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
7234 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
7235 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
7236 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
7237 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
7238 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
7239 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
7240 df_ref_remove, df_insn_refs_delete, df_refs_delete,
7241 df_reorganize_refs, df_set_state, df_hard_reg_init,
7242 df_read_modify_subreg_p) New public functions.
7243 * df-core.c: The core dataflow solver and glue routines for rtl
7245 (df_init, df_add_problem, df_set_blocks, df_finish,
7246 df_hybrid_search_forward, df_hybrid_search_backward,
7247 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
7248 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
7249 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
7250 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
7251 df_reg_defined, df_find_use, df_reg_used, df_dump,
7252 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
7253 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
7254 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
7255 debug_df_useno, reset_df_after_reload): New functions.
7256 * df-scan.c: The scanning fuctions, once in df.c, completely
7257 rewritten so that they now fully model the functionality of
7258 register usage at the backend.
7259 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
7260 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
7261 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
7262 df_grow_insn_info, df_rescan_blocks, df_ref_create,
7263 df_get_artificial_defs, df_get_artificial_uses,
7264 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
7265 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
7266 df_refs_delete, df_reorganize_refs, df_set_state,
7267 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
7268 df_def_record_1, df_defs_record, df_uses_record,
7269 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
7270 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
7271 df_record_exit_block_uses, df_hard_reg_init): New functions.
7273 * df-problems.c: Seven concrete dataflow problems that use the
7274 scanning in df-scan.c and are solved by the engine in df-core.c.
7275 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
7276 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
7277 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
7278 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
7279 df_ru_free_bb_info, df_ru_alloc,
7280 df_ru_bb_local_compute_process_def,
7281 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
7282 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
7283 df_ru_transfer_function, df_ru_free, df_ru_dump,
7284 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
7285 df_rd_free_bb_info, df_rd_alloc,
7286 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
7287 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
7288 df_rd_transfer_function, df_rd_free, df_rd_dump,
7289 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
7290 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
7291 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
7292 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
7293 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
7294 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
7295 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
7296 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
7297 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
7298 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
7299 df_urec_mark_reg_change, df_urec_check_earlyclobber,
7300 df_urec_mark_reg_use_for_earlyclobber,
7301 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
7302 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
7303 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
7304 df_urec_dump, df_urec_add_problem, df_chain_alloc,
7305 df_chain_create_bb_process_use, df_chain_create_bb,
7306 df_chain_finalize, df_chain_free, df_chains_dump,
7307 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
7308 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
7309 df_reg_lifetime): New functions.
7310 * df.c: Deleted file.
7311 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
7312 consistent with new df api.
7313 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
7314 rest_of_handle_sms): Ditto.
7315 * web.c (unionfind_union, union_defs, entry_register, web_main):
7317 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
7318 invariant_expr_equal_p, find_defs, check_dependencies,
7319 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
7320 free_inv_motion_data, move_loop_invariants): Ditto.
7321 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
7322 Update dependencies.
7323 (odf.c): Added defective entry that was deleted later in day.
7324 * sched-deps.c (sched_analyze_1): Ditto.
7326 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
7328 * tree-ssa-operands.c (get_expr_operands): Record addressable
7329 variables directly. Do not call add_stmt_operands for CONST_DECLs
7331 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
7332 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
7334 2006-01-11 Ben Elliston <bje@au.ibm.com>
7336 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
7337 function returns true in the positive case.
7339 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7342 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
7343 for SI, DI, SF and DF modes. Add alternatives to copy between
7344 general and floating point registers to the 32-bit patterns.
7345 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
7346 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
7347 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
7348 generating 64-bit code.
7349 * config/pa/pa.c (output_move_double): Handle copies between general
7350 and floating registers.
7352 2006-01-10 Stuart Hastings <stuart@apple.com>
7354 * config/i386/i386.md (set_got): Update.
7355 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
7356 (builtin_setjmp_receiver): Mach-O support.
7357 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
7358 (GOT_SYMBOL_NAME): Define.
7359 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
7360 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
7361 * config/i386/i386.c (override_options): Revise for Darwin.
7362 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
7363 support. (darwin_x86_file_end): New. (output_set_got): Add label
7364 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
7365 * config/i386/i386-protos.h (output_set_got): Likewise.
7366 * config/darwin.c (machopic_legitimize_pic_address): Update
7369 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
7371 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
7372 when MODE isn't BLKmode.
7374 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7376 PR rtl-optimization/25367
7377 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
7379 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
7382 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
7383 for a negative bound.
7385 2006-01-10 Richard Guenther <rguenther@suse.de>
7387 * tree-ssa-structalias.c (get_constraint_for_component_ref):
7388 Never override with anything constraint.
7390 2006-01-10 Jan Beulich <jbeulich@novell.com>
7392 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
7393 256 bits when optimize_size.
7395 2006-01-10 Jan Beulich <jbeulich@novell.com>
7397 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
7399 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
7400 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
7403 2006-01-10 Ben Elliston <bje@au.ibm.com>
7405 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
7407 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
7408 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
7409 (USE_FP_FOR_ARG): Reject decimal float modes.
7410 (function_arg_advance): Likewise.
7411 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
7412 (rs6000_handle_altivec_attribute): Do not permit decimal floating
7413 point types in AltiVec vectors.
7414 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
7415 (rs6000_libcall_value): Likewise.
7417 2006-01-09 Bob Wilson <bob.wilson@acm.org>
7419 * config/xtensa/ieee754-df.S: New file.
7420 * config/xtensa/ieee754-sf.S: New file.
7421 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
7422 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
7423 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
7425 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
7427 * config/sh/predicates.md (binary_float_operator,
7428 binary_logical_operator, commutative_float_operator,
7429 equality_comparison_operator, greater_comparison_operator,
7430 less_comparison_operator, logical_operator,
7431 noncommutative_float_operator, shift_operator,
7432 symbol_ref_operand, unary_float_operator): Remove redundant
7435 2006-01-09 Jeff Law <law@redhat.com>
7437 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
7438 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
7439 now unused arguments. Callers updated.
7440 (eliminate_redundant_computations): Remove now unused arguments,
7442 (local_fold): Remove, no longer used.
7443 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
7445 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
7446 (simplify_cond): New function.
7447 (forward_propagate_into_cond): Call simplify_cond.
7449 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
7451 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
7452 (*vec_extractv2di_1_sse): New.
7454 2006-01-09 Ben Elliston <bje@au.ibm.com>
7456 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
7458 2006-01-08 Richard Guenther <rguenther@suse.de>
7460 * tree-ssa-structalias.c (get_constraint_for): Remove
7462 (get_constraint_for_component_ref): Likewise.
7463 (do_deref): Likewise.
7464 (get_constraint_for): Likewise.
7465 (do_structure_copy): Likewise.
7466 (handle_ptr_arith): Likewise.
7467 (find_func_aliases): Likewise. Remove unused need_anyoffset
7470 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
7471 Kaz Kojima <kkojima@gcc.gnu.org>
7473 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
7474 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
7475 (EXTRA_CONSTRAINT_C16): Remove.
7476 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
7477 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
7478 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
7479 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
7480 constants of SHmedia. Handle nested constant expressions of
7482 (andcosts): Fix the costs for SHmedia constants.
7483 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
7484 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
7485 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
7486 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
7487 (movv4hi_i, movv2si_i): Likewise.
7488 (movsi_const): Adjust the second operand of ior so to match with
7490 (movdi_const, movdi_const_32bit): Likewise.
7491 (movdi_const_16bit+1): Don't sign-extend LOW.
7492 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
7494 (*double_shori): Fix the split condition. Use GEN_INT instead
7495 of get_int_mode calls. Mask lower 16-bit of the argument of
7497 (sym2GOTPLT): Remove.
7498 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
7500 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
7501 instead of EXTRA_CONSTRAINT_C16.
7503 2006-01-07 Ian Lance Taylor <ian@airs.com>
7504 David Edelsohn <edelsohn@gnu.org>
7506 PR rtl-optimization/25662
7507 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
7508 for constant operands instead of simplify_gen_binary.
7509 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
7510 after trying simplify_binary_operation
7512 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
7514 * tree.c (iterative_hash_expr): Hash decls based on UID.
7516 2006-01-06 Eric Christopher <echristo@apple.com>
7518 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
7519 (TARGET_UNWIND_EMIT): Fix spelling.
7520 * target.h (gcc_target): Add except_table_label.
7521 * except.c (output_function_exception_table): Use.
7522 * varasm.c (default_emit_except_table_label): New.
7523 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
7525 (asm_out): Add here.
7526 * output.h (default_emit_except_table_label): Prototype.
7527 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
7528 * config/darwin.c (darwin_emit_except_table_label): Define.
7529 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
7531 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
7533 PR tree-optimization/18527
7534 * tree-ssa-loop-niter.c (number_of_iterations_cond,
7535 number_of_iterations_special, number_of_iterations_exit):
7536 Move base and step of an iv to a single structure. Add
7537 no_overflow flag, and use it in # of iterations analysis.
7538 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
7539 folded_casts argument.
7540 (simple_iv): Pass base and step in a structure. Set no_overflow
7542 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
7543 Evaluate expensiveness of computing # of iterations instead of
7544 the final expression.
7545 * tree-scalar-evolution.h (affine_iv): New structure.
7546 (simple_iv): Declaration changed.
7547 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
7548 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
7549 find_givs_in_stmt): Changed due to simple_iv change.
7551 2006-01-06 Jeff Law <law@redhat.com>
7554 * tree-cfg.c (bsi_replace): Rename final argument from
7555 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
7556 change (stmt -> orig_stmt).
7557 * tree-eh.c (verify_eh_throw_stmt_node): New function.
7558 (bsi_remove): Add new argument. Remove EH information
7560 (verify_eh_throw_table_statements): New function.
7561 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
7563 * tree-optimize.c (execute_free_cfg_annotations): Verify
7564 the EH throw statement table after removing annotations.
7565 * except.h (verify_eh_throw_table_statements): Prototype.
7566 * tree-flow.h (bsi_remove): Update prototype.
7567 * tree-vrp.c (remove_range_assertions): Add new argument to
7569 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
7570 * tree-complex.c (expand_complex_div_wide): Likewise.
7571 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
7572 * tree-tailcall.c (eliminate_tailcall): Likewise.
7573 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
7574 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
7575 * tree-nrv.c (tree_nrv): Likewise.
7576 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
7577 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
7578 (combine_blocks): Likewise.
7579 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
7580 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
7581 (cleanup_control_flow): Likewise.
7582 (remove_forwarder_block): Likewise.
7583 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
7584 * tree-sra.c (sra_replace): Likewise.
7585 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
7586 (forward_propagate_single_use_vars): Likewise.
7587 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
7588 * tree-inline.c (expand_call_inline): Likewise.
7589 * tree-vect-transform.c (vect_transform_loop): Likewise.
7590 * tree-outof-ssa.c (rewrite_trees): Likewise.
7591 * tree-cfg.c (make_goto_expr_edges): Likewise.
7592 (cleanup_dead_labels): Likewise.
7593 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
7594 (bsi_move_before, bsi_move_after): Likewise.
7595 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
7596 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
7598 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
7601 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
7603 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
7604 on non gimple variables. Also add checks at the top for decls and
7606 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
7608 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
7609 and IMAGPART_EXPR for creating MUST_DEFs.
7610 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
7611 and NAME_MEMORY_TAG separately from the DECLs.
7613 2006-01-06 Richard Guenther <rguenther@suse.de>
7615 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
7616 annotation, if necessary.
7617 * tree-ssa-pre.c (create_expression_by_pieces): Remove
7618 redundant calls to update_stmt.
7619 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
7622 2006-01-05 Richard Henderson <rth@redhat.com>
7624 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
7626 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
7628 * c-typeck.c: Update copyright date.
7630 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
7632 * c-typeck.c (build_c_cast): Always warn when casting
7633 from a pointer to an integer of different size, even if
7634 the node was constant.
7636 2006-01-05 Richard Guenther <rguenther@suse.de>
7638 PR tree-optimization/22555
7639 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
7640 if one structure field is an array.
7641 * tree-ssa-operands.c (get_expr_operands): Continue scanning
7642 operands even if we found a subvar, but ignore VOPs in this
7644 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
7646 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
7648 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
7651 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
7653 2006-01-05 Richard Guenther <rguenther@suse.de>
7654 Diego Novillo <dnovillo@redhat.com>
7656 * tree-pass.h (TODO_remove_unused_locals): Define.
7657 * gimple-low.c (expand_var_p, remove_useless_vars,
7658 pass_remove_useless_vars): Remove. Update all users.
7659 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
7660 (remove_unused_locals): New function.
7661 * tree-flow.h (remove_unused_locals): Declare.
7662 * passes.c (execute_todo): Call remove_unused_locals if
7663 TODO_remove_unused_locals is set.
7664 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
7665 * tree-ssa-dce.c (pass_dce): Likewise.
7666 * tree-outof-ssa.c (pass_del_ssa): Likewise.
7668 2006-01-05 Richard Guenther <rguenther@suse.de>
7670 * tree-flow.h (struct fieldoff): Decompose field to
7671 type, size and decl.
7672 * tree-ssa-alias.c (create_sft): Take type as parameter.
7673 (create_overlap_variables_for): Store type, size and decl
7674 in the fieldoff structure.
7675 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
7677 (push_fields_onto_fieldstack): Likewise.
7678 (create_variable_info_for): Likewise. Use offset for the
7679 SFT name if the decl is not available.
7681 2006-01-04 Paul Brook <paul@codesourcery.com>
7683 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
7685 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
7687 * lambda-code.c (can_put_in_inner_loop): Relax
7689 (can_put_after_inner_loop): New function.
7690 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
7691 (perfect_nestify): Change to make copies and modify uses.
7693 2006-01-04 Richard Henderson <rth@redhat.com>
7695 Merge from gomp branch:
7696 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
7697 via integer constant.
7698 (pragma_lex): Remove.
7699 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
7700 rather than parsing it.
7701 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
7702 handle_pragma_extern_prefix): Add %< %> quotes.
7703 (registered_pragmas): New.
7704 (c_register_pragma_1): New.
7705 (c_register_pragma): Use it.
7706 (c_register_pragma_with_expansion): Likewise.
7707 (c_invoke_pragma_handler): New.
7708 (init_pragma): Use cpp_register_deferred_pragma directly for
7710 * c-pragma.h (enum pragma_kind): New.
7711 (pragma_handler): New.
7712 (c_invoke_pragma_handler): Declare.
7713 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
7715 * c-common.h (c_common_pch_pragma): Update decl.
7716 * Makefile.in (c-parser.o): Update dependencies.
7717 (GTFILES): Add c-pragma.h.
7718 * c-parser.c (struct c_token): Add pragma_kind.
7719 (struct c_parser): Add in_pragma.
7720 (c_lex_one_token): Always initialize keyword and pragma_kind.
7721 Extract data for CPP_PRAGMA.
7722 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
7723 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
7724 Don't allow CPP_PRAGMA_EOL if in_pragma.
7725 (c_parser_consume_pragma): New.
7726 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
7727 (c_parser_skip_to_end_of_parameter): Likewise.
7728 (c_parser_skip_to_end_of_block_or_statement): Likewise.
7729 (c_parser_skip_to_pragma_eol): New.
7730 (c_parser_external_declaration): Handle CPP_PRAGMA.
7731 (c_parser_compound_statement_nostart): Likewise.
7732 (c_parser_statement_after_labels): Likewise.
7733 (c_parser_pragma): New.
7734 (pragma_lex): Likewise.
7735 (c_parser_pragma_pch_preprocess): New.
7736 (c_parser_new): Merge into ...
7737 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
7739 2006-01-04 Jeff Law <law@redhat.com>
7742 * tree-cfg.c (bsi_replace): Remove the original statement
7743 from the EH throw statement table.
7745 2006-01-04 Jakub Jelinek <jakub@redhat.com>
7747 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
7748 make the prototype extern "C" and add throw ().
7751 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
7752 and pos non-negative and pos + len <= 32.
7753 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
7754 drop pos + len < HOST_BITS_PER_WIDE_INT test.
7755 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
7758 * c-common.c (handle_vector_size_attribute): Reject zero vector size
7759 as well as sizes not multiple of component size.
7762 * function.c (instantiate_expr): New function.
7763 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
7764 walk its DECL_VALUE_EXPR with instantiate_expr.
7766 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
7767 DW_OP_deref{,_size} if address isn't going to be added.
7769 2006-01-04 Ben Elliston <bje@au.ibm.com>
7771 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
7772 * config/fp-bit.c: Likewise.
7774 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
7776 * dominance.c: Add comment about why we use DFS numbering
7779 2006-01-03 Jakub Jelinek <jakub@redhat.com>
7780 Richard Henderson <rth@redhat.com>
7782 Merge from gomp-branch:
7783 * varasm.c (assemble_variable): Handle thread-local COMMON data.
7784 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
7786 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
7788 PR rtl-optimization/25578
7789 * combine.c (combine_simplify_rtx, force_to_mode): Don't
7790 pass a parameter to simplify_shift_const if changing ASHIFTRT
7793 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
7795 * builtins.c (get_builtin_sync_mem): New function.
7796 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
7797 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
7798 Call get_builtin_sync_mem to generate mem rtx.
7800 2006-01-03 Richard Guenther <rguenther@suse.de>
7803 * stmt.c (add_case_node): Make sure to clear overflow flags
7806 2006-01-03 Jakub Jelinek <jakub@redhat.com>
7808 Merge from gomp-branch.
7809 * config/sparc/sync.md: New file.
7810 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
7811 UNSPECV_LDSTUB): New constants.
7812 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
7813 * config/sparc/predicates.md (memory_reg_operand): New predicate.
7814 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
7817 2006-01-03 Roger Sayle <roger@eyesopen.com>
7819 * combine.c (reg_subword_p): New predicate to test whether the
7820 destination of a set refers to a subword/piece of a register.
7821 (try_combine): Generalize the code to merge the setting of a
7822 pseudo to a constant followed by a set of a subword of that
7823 register to a constant.
7825 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
7827 * basic-block.h (control_flow_graph): Change the type of
7828 x_label_to_block_map to VEC(basic_block,gc) *.
7829 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
7830 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
7832 * tree-ssa-propagate.c (cfg_blocks): Change the type to
7833 VEC(basic_block,heap) *.
7834 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
7835 ssa_prop_fini): Adjust the uses of cfg_blocks.
7837 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
7839 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
7841 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
7842 hashing trees instead of a pointer hash.
7843 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
7844 compare for MEM_EXPR.
7846 PR rtl-optimization/25130
7847 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
7848 when comparing MEMs for GCSE
7850 2006-01-03 Ben Elliston <bje@au.ibm.com>
7852 * targhooks.h (default_decimal_float_supported_p): Declare.
7853 * targhooks.c (default_decimal_float_supported_p): Define.
7854 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
7855 `default_decimal_float_supported_p'.
7856 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
7858 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
7860 * combine.c (apply_distributive_law <SUBREG>): Check
7861 TRULY_NOOP_TRUNCATION.
7863 2006-01-02 Geoffrey Keating <geoffk@apple.com>
7865 * dwarf2out.c (have_switched_text_section): Delete.
7866 (have_multiple_function_sections): New.
7867 (have_location_lists): Make 'bool'.
7868 (add_AT_loc_list): Use 'true' not '1'.
7869 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
7870 (output_loc_list): Use have_multiple_function_sections.
7871 (output_ranges): Likewise.
7872 (dwarf2out_begin_function): Set have_multiple_function_sections if
7874 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
7875 Check function_section rather than DECL_SECTION_NAME.
7876 (dwarf2out_finish): Use have_multiple_function_sections.
7877 Don't clear have_location_lists.
7879 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
7880 Jan Hubicka <jh@suse.cz>
7882 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
7883 case of conditional jump jumping to the next instruction.
7884 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
7885 cases of conditional jump jumping to the next instruction.
7887 2006-01-02 Jan Hubicka <jh@suse.cz>
7889 * i386.c (*_cost): Add COSTS_N_INSNS.
7890 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
7892 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
7895 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
7897 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7899 * config/arm/arm.c (all_fpus): Fix comment typo.
7900 * config/darwin.c: Likewise.
7901 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
7902 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
7903 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
7905 2006-01-01 David Edelsohn <edelsohn@gnu.org>
7907 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
7908 (rs6000_split_compare_and_swapqhi): New.
7909 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
7910 (sync_compare_and_swapqhi_internal): New.
7911 * config/rs6000/rs6000-protos.h: Declare.
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