1 2006-03-21 Jeff Law <law@redhat.com>
3 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
4 type conversions of a VR_VARYING source to a wider type.
6 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
8 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
9 tm_file on Solaris 10 and later.
10 (sparc64-*-solaris2*): Likewise.
11 (sparc-*-solaris2*): Likewise.
12 * config/sol26.h: Rename to config/sol2-6.h.
13 * config/sol2-10.h: New file.
15 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
18 * tree-ssa-pre.c (create_component_ref_by_pieces):
21 2006-03-21 Jakub Jelinek <jakub@redhat.com>
24 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
25 return it immediately.
27 2006-03-21 Michael Matz <matz@suse.de>
29 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
31 (remove_arc, add_arc): Update num_out_arcs member.
32 (set_out_arc_insns_equiv_num): Returns nothing instead of number
34 (cache_presence): New function.
35 (compare_states_for_equiv): New function.
36 (state_is_differed): Don't take number of outargs, adjust callers.
37 Use new invariant for speeding up.
38 (init_equiv_class): Create initial classes based on sorted
40 (partition_equiv_class): Don't track out_arcs_num.
41 (evaluate_equiv_classes): Call cache_presence on all states and
44 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
46 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
47 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
48 (bfin_valid_reg_p): Test for pseudos explicitly and use only
49 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
51 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
52 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
53 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
54 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
55 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
57 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
58 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
59 (REGNO_REG_CLASS): ARGP is in PREGS.
60 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
62 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
63 to deal with those addresses.
64 * addresses.h: New file.
65 * caller-save.c: Include "addresses.h".
66 (init_caller_save): Use new base_reg_class function.
67 * rtl-factoring.c: Include "addresses.h".
68 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
69 * recog.c: Include "addresses.h".
70 (preprocess_constraints): Use new base_reg_class function.
71 * regrename.c: Include "addresses.h".
72 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
73 functions. Keep track of a new var INDEX_CODE to compute valid
75 (replace_oldest_value_addr): Likewise.
76 (replace_oldest_value_mem): Use base_reg_class.
77 * reload.c: Include "addresses.h".
78 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
79 (find_reloads): Use new base_reg_class function.
80 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
81 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
82 all callers and prototype changed.
83 * reload1.c: Include "addresses.h".
84 (maybe_fix_stack_asms): Use base_reg_class.
85 * regclass.c: Include "addresses.h".
86 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
87 (init_reg_autoinc): Use new base_reg_class function.
88 (record_reg_classes): Likewise.
89 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
90 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
91 Use new args to compute necessary class.
93 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
94 regrename.o, rtl-factoring.o): Update dependencies.
95 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
96 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
97 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
98 REG_OK_FOR_INDEX_P): Delete documentation.
100 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
102 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
103 from V7 to V9 for Solaris 7 and above.
105 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
107 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
108 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
109 argument pointers may not alias any other storage.
110 * common.opt: Define option -fargument-noalias-anything.
111 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
112 alias semantics is specified by flag_argument_noalias > 2.
115 * tree-pass.h (pass_phi_only_copy_prop): Delete.
116 (pass_phi_only_cprop): Declare.
117 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
119 * tree-ssa-dom.c (degenerate_phi_result): New function.
120 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
121 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
122 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
123 (eliminate_degenerate_phis): Likewise.
124 (pass_phi_only_cprop): New pass descriptor.
125 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
126 support code. Callers updated.
127 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
128 (store_copy_prop): Likewise.
129 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
131 2006-03-20 Jason Merrill <jason@redhat.com>
134 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
135 (push_visibility, pop_visibility): Likewise.
136 * c-pragma.h: Declare them.
138 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
140 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
142 * config/sh/sh.c (find_regmode_weight): Change the type of the first
143 parameter and use get_ebb_head_tail.
144 (sh_md_init_global): Adjust uses of find_regmode_weight.
146 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
148 * function.h (struct function) <x_tail_recursion_reentry>:
149 Rename to x_stack_check_probe_note.
150 (tail_recursion_reentry): Rename to stack_check_probe_note.
151 * function.c: Replace tail_recursion_reentry with
152 stack_check_probe_note everywhere.
153 (expand_function_start): Only emit a note for
154 stack_check_probe_note with -fstack-protect.
155 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
157 * emit-rtl.c (remove_unnecessary_notes): Remove.
158 (pass_remove_unnecessary_notes): Remove.
159 * rtl.h (remove_unnecessary_notes): Remove prototype.
160 * final.c (final_start_function): Don't call remove_unnecessary_notes.
161 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
162 * passes.c (pass_remove_unnecessary_notes): Don't run it.
164 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
167 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
168 (valid_in_set): Handle ARRAY_REF.
169 Change "if min_variant or VH" to asserts.
170 (create_component_ref_by_pieces): Handle ARRAY_REF.
171 (create_expression_by_pieces): Likewise.
172 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
174 2006-03-20 David Edelsohn <edelsohn@gnu.org>
176 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
177 is operand of switch, not str[0].
179 2006-03-20 Alan Modra <amodra@bigpond.net.au>
181 * config/rs6000/rs6000.c (rs6000_handle_option): Use
182 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
184 2006-03-19 David Edelsohn <edelsohn@gnu.org>
186 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
187 end of insn_extra_address_constraint declaration.
189 2006-03-19 David Edelsohn <edelsohn@gnu.org>
191 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
192 (no-sum-in-toc): Same.
193 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
195 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
196 NO_FP_IN_TOC for -fPIC instead of mask.
198 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
199 (BOOT_LDFLAGS): Delete.
201 * config/rs6000/t-aix52: Same.
203 * config/rs6000/rs6000.md (store_multiple_power): Delete.
204 (stmsi[345678]_power): New.
206 2006-03-17 Steve Ellcey <sje@cup.hp.com>
208 * config/ia64/ia64.opt: Add empty line to end of file.
210 2006-03-17 Richard Guenther <rguenther@suse.de>
213 * builtins.c (get_pointer_alignment): For component style references
214 adjust alignment to the component type alignment. Make sure
215 to adjust alignment for component access of constants.
217 2006-03-17 David Edelsohn <edelsohn@gnu.org>
219 * config/rs6000/rs6000.md (strlensi): Emit barrier after
222 2006-03-17 Paul Brook <paul@codesourcery.com>
224 * doc/install.texi: Docuemnt --with-mode.
225 * config.gcc: Add --with-mode for arm*-*-*.
226 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
228 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
230 * sh.c (max_labelno_before_reorg): New variable.
231 (sh_reorg): Initialize it.
232 (find_barrier): Check max_labelno_before_reorg before using
233 label_to_alignment. Take length of explicit alignment insns
234 into account. When seeing a UNSPECV_CONST_END, return it.
236 * sh.c (fixup_mova): Set mode of affected label to QImode.
237 (untangle_mova): New function.
238 (find_barrier): Use it. Check mode of label before decrementing
240 (sh_reorg): Likewise.
241 Set mode of all insns back to VOIDmode.
243 * sh.c (MOVA_LABELREF): New macro.
244 (mova_p, fixup_mova, sh_reorg): Use it.
245 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
246 ADDR_DIFF_VEC matches mova.
248 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
250 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
251 with ATTRIBUTE_UNUSED.
253 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
255 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
256 pointer, instead of assuming it is possible to derive the
257 correct args size from a call insn.
259 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
261 * rtl.h (CONST_INT_P): Define.
262 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
263 instead of GET_CODE(x) == CONST_INT.
264 (vax_rtx_costs): Likewise.
265 (vax_output_int_move): Likewise.
266 (vax_output_int_add): Likewise.
267 (legitimate_constant_address_p): Likewise.
268 (index_term_p): Likewise.
269 * config/vax/vax.h (PRINT_OPERAND): Likewise.
270 * config/vax/vax.md (and<mode>3): Likewise.
273 (movstricthi): Likewise.
274 (movstrictqi): Likewise.
276 (five unnamed insns): Likewise.
278 2006-03-16 Geoffrey Keating <geoffk@apple.com>
280 * doc/tm.texi (SDB and DWARF): Add extra parameter to
281 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
282 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
283 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
284 Pass to ASM_OUTPUT_DWARF_OFFSET.
285 * dwarf2out.c (debug_frame_section): New.
286 (output_call_frame_info): Use debug_frame_section. Pass it to
287 dw2_asm_output_offset.
288 (output_die): Pass appropriate section to dw2_asm_output_offset.
289 (output_compilation_unit_header): Likewise.
290 (output_pubnames): Likewise.
291 (output_aranges): Likewise.
292 (enum dw_val_class): Break dw_val_class_lbl_offset into
293 dw_val_class_lineptr and dw_val_class_macptr.
294 (add_AT_lbl_offset): Delete.
295 (add_AT_lineptr): New.
296 (add_AT_macptr): New.
297 (AT_lbl): Expect a lineptr or macptr.
298 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
299 (attr_checksum): Likewise.
300 (same_dw_val_p): Likewise.
301 (size_of_die): Likewise.
302 (value_format): Likewise.
303 (output_die): Likewise.
304 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
306 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
307 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
308 * config/darwin-protos.h (darwin_file_start): New.
309 (darwin_asm_output_dwarf_offset): New.
310 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
311 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
313 * config/darwin.c (darwin_emit_unwind_label): Don't output label
314 if not EH section; simplify.
315 (darwin_file_start): New.
316 (darwin_asm_output_dwarf_offset): New.
317 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
319 (DEBUG_INFO_SECTION): Likewise.
320 (DEBUG_ABBREV_SECTION): Likewise.
321 (DEBUG_ARANGES_SECTION): Likewise.
322 (DEBUG_MACINFO_SECTION): Likewise.
323 (DEBUG_LINE_SECTION): Likewise.
324 (DEBUG_LOC_SECTION): Likewise.
325 (DEBUG_PUBNAMES_SECTION): Likewise.
326 (DEBUG_STR_SECTION): Likewise.
327 (DEBUG_RANGES_SECTION): Likewise.
328 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
329 (ASM_OUTPUT_DWARF_OFFSET): New.
331 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
333 * config.gcc (tm_defines): Always add to previous value rather
336 2006-03-16 Richard Sandiford <richard@codesourcery.com>
338 * config/mips/predicates.md (splittable_const_int_operand): New,
339 split from move_operand.
340 (splittable_symbolic_operand): New.
341 (move_operand): Add commentary. Use splittable_const_int_operand.
342 Inline mips_atomic_symbolic_constant_p.
343 * config/mips/mips.md: Add combine splitters for handling moves
344 of splittable_const_int_operands and splittable_symbolic_operands.
345 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
346 (mips_split_symbol): Declare.
347 (mips_move_integer): Declare.
348 * config/mips/mips.c (mips_split_p): Make global.
349 (TARGET_MIN_ANCHOR_OFFSET): Override default.
350 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
351 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
352 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
353 (mips_offset_within_object_p): Handle block symbols.
354 (mips_atomic_symbolic_constant_p): Delete.
355 (mips_cannot_force_const_mem): Return false for constants that
356 mips_legitimize_move can handle.
357 (mips_use_blocks_for_constant_p): New function.
358 (mips_split_symbol): Make global.
359 (mips_move_integer): Likewise. Add a temporary register argument.
360 (mips_legitimize_const_move): Use splittable_const_int_operand and
361 splittable_symbolic_operand.
362 (mips_use_anchors_for_symbol_p): New function.
363 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
364 (mips_split_p): Declare.
366 2006-03-16 Richard Sandiford <richard@codesourcery.com>
368 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
369 (mips*-*-linux*): Likewise.
371 2006-03-16 Roger Sayle <roger@eyesopen.com>
372 Daniel Speyer <dspeyer@wam.umd.edu>
375 * tree-dump.c (dump_real): New function.
376 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
377 * Makefile.in (REAL_H): New macro for dependencies on real.h.
378 (tree-dump.o): Add $(REAL_H) to the dependencies.
380 2006-03-16 Roger Sayle <roger@eyesopen.com>
383 * real.c (real_from_string): If the mantissa is zero, don't bother
384 parsing the exponent as the result should always be zero.
386 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
388 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
390 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
392 * config/ia64/ia64.c (stops_p): Added explicit initialization.
393 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
394 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
395 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
396 ia64_sched_finish_global): New static functions to implement
397 hooks from gcc_target.sched.
398 (spec_check_no, max_uid, pending_data_specs): New static variables.
399 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
400 ia64_spec_check_src_p): New static functions.
401 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
402 (TARGET_SCHED_ADJUST_COST): Removed.
403 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
404 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
405 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
406 TARGET_SCHED_GEN_CHECK,
407 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
408 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
409 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
410 Fixed to handle speculation checks.
411 (rtx_needs_barrier): Fixed to handle speculative loads and
413 (ia64_variable_issue): Added code to count speculative loads and their
415 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
417 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
419 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
421 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
422 (ia64_reorg): Reset stops_p to NULL after it is freed.
423 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
424 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
425 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
427 (data_speculative, control_speculative, check_load): New attributes.
428 (mov<mode>_advanced, mov<mode>_speculative,
429 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
430 zero_extend<mode>di2_speculative,
431 zero_extend<mode>di2_speculative_advanced): New patterns for
432 data and control speculative loads.
433 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
435 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
436 New pattern for data and control speculation checks.
437 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
438 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
439 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
440 Auxiliary definitions for the patterns.
441 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
442 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
444 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
446 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
447 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
448 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
449 New resource constraints.
450 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
452 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
453 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
454 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
455 msched-in-control-spec, msched-ldc, msched-control-ldc,
456 msched-spec-verbose, msched-prefer-non-data-spec-insns,
457 msched-prefer-non-control-spec-insns,
458 msched-count-spec-in-critical-path): New flags to tune speculative
460 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
461 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
462 msched-in-control-spec, msched-ldc, msched-control-ldc,
463 msched-spec-verbose, msched-prefer-non-data-spec-insns,
464 msched-prefer-non-control-spec-insns,
465 msched-count-spec-in-critical-path): Document new flags.
467 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
469 * target.h (struct spec_info_def): New opaque declaration.
470 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
471 speculate_insn, needs_block_p, gen_check,
472 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
473 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
474 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
475 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
476 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
477 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
479 (TARGET_SCHED): Use new macros.
480 * rtl.h (copy_DEPS_LIST_list): New prototype.
481 * sched-int.h (struct sched_info): Change signature of new_ready field,
482 adjust all initializations. New fields: add_remove_insn,
483 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
484 region_head_or_leaf_p.
485 (struct spec_info_def): New structure declaration.
486 (spec_info_t): New typedef.
487 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
488 recovery_block, orig_pat.
489 (glat_start, glat_end): New variables declaraions.
490 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
492 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
493 DETACH_LIFE_INFO, USE_GLAT.
494 (enum SPEC_SCHED_FLAGS): New enumeration.
495 (NOTE_NOTE_BB_P): New macro.
496 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
497 attach_life_info, debug_spec_status, check_reg_live): New functions.
498 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
499 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
501 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
502 * ddg.c (get_block_head_tail): Adjust all uses.
503 * modulo-sched.c (get_block_head_tail): Adjust all uses.
504 (sms_sched_info): Initialize new fields.
505 (contributes_to_priority): Removed.
506 * haifa-sched.c (params.h): New include.
507 (get_block_head_tail): Adjust all uses.
508 (ISSUE_POINTS): New macro.
509 (glat_start, glat_end): New global variables.
510 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
511 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
512 old_last_basic_block, before_recovery, current_sched_info_var,
513 rgn_n_insns, luid): New static variables.
514 (insn_cost1): New function. Move logic from insn_cost to here.
515 (find_insn_reg_weight1): New function. Move logic from
516 find_insn_reg_weight to here.
517 (reemit_notes, move_insn, max_issue): Change signature.
518 (move_insn1): Removed.
519 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
520 extend_bb): New static functions to support extension of scheduler's
522 (generate_recovery_code, process_insn_depend_be_in_spec,
523 begin_speculative_block, add_to_speculative_block,
524 init_before_recovery, create_recovery_block, create_check_block_twin,
525 fix_recovery_deps): New static functions to support
526 generation of recovery code.
527 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
528 restore_bb_notes, move_block_after_check, move_succs): New static
529 functions to support ebb scheduling.
530 (init_glat, init_glat1, attach_life_info1, free_glat): New static
531 functions to support handling of register live information.
532 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
533 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
534 add_jump_dependencies): New static functions.
535 (check_cfg, has_edge_p, check_sched_flags): New static functions for
536 consistancy checking.
537 (debug_spec_status): New function to call from debugger.
538 (priority): Added code to handle speculation checks.
539 (rank_for_schedule): Added code to distinguish speculative instructions.
540 (schedule_insn): Added code to handle speculation checks.
541 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
542 Fixed to handle ebbs.
543 (move_insn): Added code to handle ebb scheduling.
544 (max_issue): Added code to use ISSUE_POINTS of instructions.
545 (choose_ready): Added code to choose between speculative and
546 non-speculative instructions.
547 (schedule_block): Added code to handle ebb scheduling and scheduling of
548 speculative instructions.
549 (sched_init): Initialize new variables.
550 (sched_finish): Free new variables. Print statistics.
551 (try_ready): Added code to handle speculative instructions.
552 * lists.c (copy_DEPS_LIST_list): New function.
553 * sched-deps.c (extend_dependency_caches): New function. Move logic
554 from create_dependency_caches to here.
555 (get_dep_weak, ds_merge): Make global.
556 * genattr.c (main): Code to output prototype for
557 dfa_clear_single_insn_cache.
558 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
559 (output_dfa_clean_insn_cache_func): Code to output
560 dfa_clear_single_insn_cache function.
561 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
563 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
565 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
566 New static variables.
567 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
568 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
570 (ebb_sched_info): Initialize new fields.
571 (get_block_head_tail): Adjust all uses.
572 (compute_jump_reg_dependencies): Fixed to use glat_start.
573 (schedule_ebb): Code to remove unreachable last block.
574 (schedule_ebbs): Added code to update register live information.
575 * sched-rgn.c (region_sched_info): Initialize new fields.
576 (get_block_head_tail): Adjust all uses.
577 (last_was_jump): Removed. Adjust users.
578 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
579 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
581 (check_dead_notes1): New static function.
582 (struct region): New fields: dont_calc_deps, has_real_ebb.
583 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
584 (BB_TO_BLOCK): Fixed to handle EBBs.
585 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
586 (ebb_head): New static variable.
587 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
588 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
590 (compute_dom_prob_ps): New assertion.
591 (check_live_1, update_live_1): Fixed to work with glat_start instead of
592 global_live_at_start.
593 (init_ready_list): New assertions.
594 (can_schedule_ready_p): Split update code to begin_schedule_ready.
595 (new_ready): Add support for BEGIN_CONTROL speculation.
596 (schedule_insns): Fixed code that updates register live information
598 (schedule_region): Fixed to handle EBBs.
599 (init_regions): Use extend_regions and check_dead_notes1.
600 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
601 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
602 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
603 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
604 TARGET_SCHED_GEN_CHECK,
605 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
606 TARGET_SCHED_SET_SCHED_FLAGS): Document.
607 * doc/invoke.texi (max-sched-insn-conflict-delay,
608 sched-spec-prob-cutoff): Document.
610 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
612 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
613 inter_tick, queue_index.
614 (struct sched_info): Change signature of init_ready_list field.
615 Adjust all initializations.
616 (RESOLVED_DEPS): New access macro.
617 (ready_add): Remove prototype.
618 (try_ready): Add prototype.
619 * sched-rgn.c (init_ready_list): Use try_ready.
620 (schedule_region): Initialize
621 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
622 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
623 (init_ready_list): Use try_ready.
624 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
625 * lists.c (remove_list_elem): Remove `static'.
626 (remove_free_INSN_LIST_elem): New function.
627 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
628 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
629 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
631 (readyp): New variable.
632 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
633 change_queue_index, resolve_dep): New static functions.
634 (try_ready): New function. Adjust callers in sched-rgn.c and
635 sched-ebb.c to use it instead of ready_add.
636 (clock_var): Move at the begining of file.
637 (rank_for_schedule): Fix typo.
638 (queue_insn): Add assertion. Handle QUEUE_INDEX.
639 (ready_lastpos): Enforce assertion.
640 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
642 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
643 (schedule_insn): Rewrite to use try_ready and resolve_dep.
644 (queue_to_ready): Use free_INSN_LIST_list.
645 (early_queue_to_ready): Fix typo.
646 (schedule_block): Init readyp. Move init_ready_list call after the
647 initialization of clock_var. Fix error in rejecting insn by
648 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
649 that previously corrected INSN_TICKs. Add code for handling
651 (set_priorities): Fix typo.
652 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
653 Clarify comment and code that keeps current_sched_info->next_tail
656 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
658 * sched-rgn.c (extend_rgns): New static function.
660 (gather_region_statistics, print_region_statistics): New static
662 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
663 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
665 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
666 Andrey Belevantsev <abel@ispras.ru>
668 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
669 * lists.c (unused_deps_list): New variable.
670 (free_list): Add assertions to verify the proper distinguishing
671 between INSN_LISTs and DEPS_LISTs.
672 (find_list_elem, remove_list_elem, remove_list_node): New static
674 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
675 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
676 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
677 (alloc_INSN_LIST): Assert that the list we're working on is indeed
679 (free_INSN_LIST_node): Likewise.
680 * modulo-sched.c (current_sched_info): Initialize flags field.
681 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
682 * rtl.def (DEPS_LIST): Define.
683 * rtl.h: Declare new functions from lists.c.
684 * sched-deps.c (spec_dependency_cache): New static variable.
685 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
686 (add_dependence): Change return type to void. Move the logic to ...
687 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
688 (delete_all_dependences): Add comment about forward_dependency_cache.
689 Handle spec_dependency_cache. Handle DEPS_LISTs.
690 (fixup_sched_groups): Clarify the change of priority of output
691 and anti dependencies.
692 (sched_analyze_2): Adjust add_dependence calls to create data
693 speculative dependence.
694 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
695 Adjust all callers. Handle DEPS_LISTS.
696 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
697 presence of speculation.
698 (init_dependency_caches, free_dependency_caches):
699 Handle spec_dependency_cache.
700 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
701 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
702 New static functions.
703 (add_or_update_back_dep, add_or_update_back_forw_dep,
704 add_back_forw_dep, delete_back_forw_dep): New functions.
705 * sched-int.h (ds_t, dw_t): New typedefs.
706 (struct sched_info): Add new field flags.
707 (struct haifa_insn_data): Add new bitfield has_internal_dep.
708 Prototype new sched-deps.c functions.
709 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
710 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
711 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
712 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
713 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
714 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
716 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
718 * sched-rgn.c (current_sched_info): Initialize flags field.
719 (schedule_insns): Initialize current_sched_info before the sched_init
721 * sched-ebb.c (current_sched_info): Initialize flags field.
722 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
723 Call add_or_update_back_dep instead of add_dependence.
724 Create control speculative dependencies.
725 (schedule_insns): Initialize current_sched_info before the sched_init
728 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
730 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
732 (sh_fallback_frame_state): Likewise.
734 2006-03-15 Geoffrey Keating <geoffk@apple.com>
736 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
737 Do switch on default_use_cxa_atexit.
738 (powerpc*-*-darwin*): Build crt2.o on powerpc.
739 * config/darwin-crt3.o: New.
740 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
741 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
742 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
744 * config/rs6000/t-darwin: Move crt2.o building to here.
745 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
746 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
749 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
751 * config/vax/vax.c (nonindexed_address_p): Change logical negation
752 from '! xxx' to '!xxx' for coding-style conformance.
753 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
754 (EXTRA_CONSTRAINT): Likewise.
755 * config/vax/vax.md (four unnamed insns): Likewise.
757 2006-03-15 Paul Brook <paul@codesourcery.com>
759 * config/arm/arm.c (minipool_pad): New.
760 (add_minipool_forward_ref): Include pool alignment padding in address
762 (push_minipool_fix): Set minipool_pad.
763 (minipool_pad): Ditto.
765 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
767 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
768 instead of GET_CODE() == MEM and REG_P() instead of
770 (print_operand_address): Likewise.
771 (vax_address_cost): Likewise.
772 (vax_rtx_costs): Likewise.
773 (vax_notice_update_cc): Likewise.
774 (vax_output_int_add): Likewise.
775 (INDEX_REGISTER_P): Likewise.
776 (BASE_REGISTER_P): Likewise.
777 (nonindexed_address_p): Likewise.
778 (vax_mode_dependent_address_p): Likewise.
779 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
780 (PRINT_OPERAND): Likewise.
781 * config/vax/vax.md (ashlsi3): Likewise.
783 (some more unnamed insns): Likewise.
785 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
787 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
788 iterator-style macro.
789 (mark_control_dependent_edges_necessary): Update the use of
790 EXECUTE_IF_CONTROL_DEPENDENT.
792 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
794 * config/sh/predicates.md (cache_address_operand): Special.
795 (ua_address_operand): Likewise.
797 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
799 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
801 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
803 2006-03-15 Andreas Schwab <schwab@suse.de>
805 * gensupport.c (identify_predicable_attribute): Don't free p_false
806 when it is still in use.
808 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
810 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
811 the default setting here.
813 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
815 * tree-pass.h (pass_cfg): Remove.
816 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
817 * passes.c (pass_cfg): Don't run it.
819 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
821 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
822 * reg-stack.c (stack_regs_mentioned_data): Change the type to
824 (stack_regs_mentioned): Update the uses of
825 stack_regs_mentioned_data. Don't access the array beyond its
827 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
828 Don't include gt-reg-stack.h.
830 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
831 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
833 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
836 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
839 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
841 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
843 2006-03-14 Richard Guenther <rguenther@suse.de>
845 PR tree-optimization/26672
846 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
849 2006-03-14 Richard Guenther <rguenther@suse.de>
851 PR tree-optimization/26667
852 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
853 node for the callees. Always allow inlining if it will shrink
856 2006-03-14 Richard Guenther <rguenther@suse.de>
859 * builtins.c (get_pointer_alignment): Prefer alignment
860 information from decls over that from types.
862 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
865 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
867 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
869 * config/rs6000/rs6000.opt (mdlmzb): New option.
870 (msched-prolog, msched-epilog): Use Var not Mask.
871 * doc/invoke.texi (-mdlmzb): Document.
872 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
874 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
875 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
877 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
879 PR rtl-optimization/25739
880 * bt-load.c (augment_live_range): Free tos pointer.
882 * gensupport.c (identify_predicable_attribute): Free
884 * gcov.c (create_file_names): Free name pointer.
886 2006-03-13 Roger Sayle <roger@eyesopen.com>
889 * stmt.c (emit_case_nodes): Handle the case where the index is a
890 CONST_INT, where the comparison mode is specified by the index type.
892 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
894 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
897 2006-03-13 Richard Sandiford <richard@codesourcery.com>
899 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
900 (*branch_fp_inverted): Likewise.
902 2006-03-13 Jakub Jelinek <jakub@redhat.com>
905 * omp-low.c (expand_omp_for_generic): Mark istart0
906 and iend0 as addressable.
908 2006-03-13 Jie Zhang <jie.zhang@analog.com>
910 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
912 2006-03-13 Jeff Law <law@redhat.com>
914 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
915 virtual operands are interesting.
916 (vrp_visit_stmt): Corresponding changes.
918 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
920 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
922 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
923 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
924 * config/bfin/crti.S: Use it instead of __PIC__.
925 * config/bfin/crtn.S: Likewise.
927 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
928 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
930 Lose 'G' modifier for call operand.
931 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
932 recognize 'G' modifier.
934 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
937 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
938 * stmt.c (expand_case): Likewise.
940 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
942 PR rtl-optimization/26254
943 * loop-invariant.c (seq_insns_valid_p): New function.
944 (move_invariant_reg): Only emit new code if it is valid.
946 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
948 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
950 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
951 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
952 (commit_one_edge_insertion): Do not look for loop notes.
954 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
956 * jump.c (follow_jumps): Do not check for loop notes. Move check for
957 flag_test_coverage out of loop.
959 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
961 * final.c (shorten_branches): Remove outdated comment, and turn
962 the if branch that guards it to continue.
964 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
966 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
967 * cfgloop.h (struct loop): Remove unused fields.
969 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
971 * doc/invoke.texi (-fdump-rtl-loop): Remove.
972 (-dL, -fdump-rtl-loop2): Update the dump file names
974 * doc/invoke.texi: Update dump file names.
976 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
978 * predict.c (estimate_probability): Remove.
979 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
980 * basic-block.h (estimate_probability): Remove prototype.
981 * passes.c (finish_optimization_passes): Dump branch prediction or
982 profiling heuristics to the .profile tree dump.
983 (init_optimization_passes): Unqueue pass_branch_prob.
985 * doc/invoke.texi (-fdump-rtl-bp): Remove.
987 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
989 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
990 * rtl.h (LABEL_NEXTREF): Remove field accessor.
992 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
994 * function.h (frame_offset_overflow): Declare.
995 * function.c (frame_offset_overflow): New function.
996 (assign_stack_local_1): Call it to detect that the offset overflows.
997 * cfgexpand.c (alloc_stack_frame_space): Likewise.
999 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
1001 * config/sh/sh.c: Include alloc-pool.h.
1002 (label_ref_list_pool): New alloc pool.
1003 (label_ref_list_t): New type for lists of labels.
1004 (struct pool_node): Make wend a label_ref_list_t.
1005 (add_constant): Use the new type, eradicate LABEL_NEXTREF
1007 (dump_table): Likewise.
1008 (sh_reorg): Set up the alloc pool before using add_constant and
1009 dump_table, and destroy it when finishing.
1011 2006-03-11 Richard Sandiford <richard@codesourcery.com>
1013 * config/mips/mips.c: Remove redundant comment.
1015 2006-03-10 Jason Merrill <jason@redhat.com>
1018 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
1019 the target was declared 'register'.
1021 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
1023 * genpreds.c (write_insn_constraint_len): Change definition of
1024 insn_constraint_len to return size_t to match the declaration.
1026 2006-03-10 DJ Delorie <dj@redhat.com>
1028 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
1030 (m32c_expand_insv): Fix test for an AND mask.
1032 2006-03-10 Richard Guenther <rguenther@suse.de>
1035 * builtins.c (get_pointer_alignment): Handle component
1036 references for field alignment.
1038 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
1040 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
1041 when building with libgloss.
1042 (sh*elf): Implement --without-fp option.
1043 (sh64-superh-linux*): Don't multilib.
1045 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
1047 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
1049 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
1051 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
1052 Set it when one of the replacement functions returned true.
1053 Return TODO_cleanup_cfg if cfgchanged is true.
1054 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
1056 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
1058 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
1059 instead of gen_lowpart.
1061 2006-03-09 Richard Sandiford <richard@codesourcery.com>
1063 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
1065 (mips_output_order_conditional_branch): Declare.
1066 * config/mips/mips.h (MIPS_BRANCH): New macro.
1067 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
1068 for the comparison. Use gen_condjump.
1069 (mips_output_conditional_branch): Rework interface to take the
1070 asm templates for a direct branch and the inverse of a direct branch.
1071 (mips_output_order_conditional_branch): New function.
1072 (mips_builtin_branch_and_move): New function.
1073 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
1074 branch condition. Use gen_single_cc as the condition for
1075 __builtin_mips_upper_* or __builtin_mips_lower_*.
1076 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
1077 Use VOIDmode for the branch condition.
1078 * config/mips/predicates.md (order_operator): New predicate.
1079 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
1080 (branch_fp): Rename to...
1081 (*branch_fp): ...this. Remove mode from comparison operator.
1082 Use new mips_output_conditional_branch interface.
1083 (branch_fp_inverted): Rename to...
1084 (*branch_fp_inverted): ...this and update as for *branch_fp.
1085 (*branch_zero<mode>): Rename to...
1086 (*branch_order<mode>): ...this. Remove mode from comparison operator.
1087 Use mips_output_order_conditional_branch. Only accept ordered
1089 (*branch_zero<mode>_inverted): Rename to...
1090 (*branch_order<mode>_inverted): ...this and update as for
1091 *branch_order<mode>.
1092 (*branch_equality<mode>): Accept zero as the second operand to
1093 the equality operator. Use the new mips_output_conditional_branch
1095 (*branch_equality<mode>_inverted): Likewise.
1096 (condjump): New expander.
1097 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
1099 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
1100 (bc1any2t, bc1any2f): Likewise.
1101 (single_cc): New expander.
1102 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
1104 2006-03-09 Richard Sandiford <richard@codesourcery.com>
1106 * doc/md.texi: Update documentation of MIPS constraints.
1107 * config/mips/constraints.md: New file.
1108 * config/mips/mips.md: Include it.
1109 * config/mips/mips.c (mips_char_to_class): Delete.
1110 (override_options): Don't initialize mips_char_to_class.
1111 * config/mips/mips.h (mips_char_to_class): Delete.
1112 (REG_CLASS_FROM_LETTER): Delete.
1113 (CONST_OK_FOR_LETTER_P): Delete.
1114 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1115 (EXTRA_CONSTRAINT_Y): Delete.
1116 (EXTRA_CONSTRAINT_STR): Delete.
1117 (CONSTRAINT_LEN): Delete.
1118 (EXTRA_MEMORY_CONSTRAINT): Delete.
1120 2006-03-09 Diego Novillo <dnovillo@redhat.com>
1122 * tree-cfg.c (move_block_to_fn): Remove the statements from the
1123 original fn's eh regions.
1125 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
1127 * fold-const.c (build_range_check): Make sure to use a valid type to
1128 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
1131 (range_predecessor): New static function.
1132 (range_successor): Likewise.
1133 (merge_ranges): Use them to compute predecessors and successors of
1136 2006-03-09 Roger Sayle <roger@eyesopen.com>
1139 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
1140 X op C3, consider whether C3 overflows towards +Inf or -Inf.
1142 2006-03-08 DJ Delorie <dj@redhat.com>
1144 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
1145 (addpsi3): Expand to include memory operands. Remove
1146 reload-specific splits.
1147 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
1148 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
1149 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
1150 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
1151 (shift1_qi, shift1_hi, insv): New.
1152 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
1153 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
1154 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
1156 * config/m32c/m32c-protos.h: Update as needed.
1157 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
1158 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
1159 Fail for unrecognized R* constraints.
1160 (m32c_cannot_change_mode_class): Be more picky about pseudos.
1161 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
1162 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
1164 (m32c_init_libfuncs): New.
1165 (m32c_legitimate_address_p): Add debug wrapper.
1166 (m32c_rtx_costs): New.
1167 (m32c_address_cost): New.
1168 (conversions): Add 'B' prefix.
1169 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
1170 operands, or word regnames for QI operands. 'B' prints bit
1172 (m32c_expand_setmemhi): New.
1173 (m32c_expand_movmemhi): New.
1174 (m32c_expand_movstr): New.
1175 (m32c_expand_cmpstr): New.
1176 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
1177 (m32c_expand_neg_mulpsi3): Handle non-ints.
1178 (m32c_cmp_flg_0): New.
1179 (m32c_expand_movcc): New.
1180 (m32c_expand_insv): New.
1181 (m32c_scc_pattern): New.
1182 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
1183 a0/a1 out of SIregs.
1184 (STORE_FLAG_VALUE): New.
1185 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
1188 * config/m32c/mov.md: Make constraints more liberal.
1189 (zero_extendqihi2): Optimize r0/r1 case.
1190 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
1191 * config/m32c/predicates.md (m32c_any_operand): New.
1192 (m32c_nonimmediate_operand): New.
1193 (m32c_hl_operand): New.
1194 (m32c_r3_operand): New.
1197 (memsym_operand): New.
1198 (memimmed_operand): New.
1199 (a_qi_operand): New.
1200 (m32c_eqne_operator): New.
1201 (m32c_1bit8_operand): New.
1202 (m32c_1bit16_operand): New.
1203 (m32c_1mask8_operand): New.
1204 (m32c_1mask16_operand): New.
1205 * config/m32c/blkmov.md: New file.
1206 * config/m32c/t-m32c (MD_FILES): Add blkmov.
1208 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
1210 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
1211 unsigned to fix signed/unsigned comparison issue in
1212 DWARF2_FRAME_REG_OUT.
1213 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
1214 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
1216 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
1217 of ptr into the ENABLE_CHECKING section.
1219 2006-03-08 Jeff Law <law@redhat.com>
1221 * tree-vrp.c (infer_value_range): Only count pointer uses
1222 and dereferences if -fdelete-null-pointer-checks is enabled.
1224 * tree-vrp.c (find_assert_locations): Infer value ranges for
1225 single use pointers, but do not create ASSERT_EXPRs for them.
1226 When a non-null range is inferred for a pointer, backwards
1227 propagate that range to other equivalent pointers through the
1230 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
1233 * Makefile.in (dvi, html, install-info): Invoke the corresponding
1234 language hook targets.
1235 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
1236 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
1237 if language hook targets were missing.
1239 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
1241 * tree-ssa-opfinalize.h: Removed.
1242 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
1244 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
1245 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
1246 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
1247 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
1248 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
1249 finalize_ssa_v_must_def_ops): New.
1251 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
1253 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
1256 2006-03-07 Geoffrey Keating <geoffk@apple.com>
1258 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
1260 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
1261 addresses with offsets; reorganize.
1263 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
1264 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
1265 (expand_builtin_init_dwarf_reg_sizes): Likewise.
1267 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
1270 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
1272 2006-03-08 Ben Elliston <bje@au.ibm.com>
1274 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
1276 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
1279 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
1282 2006-03-07 Richard Guenther <rguenther@suse.de>
1284 PR tree-optimization/26587
1285 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
1287 2006-03-07 Richard Sandiford <richard@codesourcery.com>
1289 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
1291 2006-03-07 Richard Sandiford <richard@codesourcery.com>
1293 * hooks.c (hook_bool_mode_rtx_true): New function.
1294 * hooks.h (hook_bool_mode_rtx_true): Declare.
1295 * toplev.c (compile_file): Call output_shared_constant_pool.
1296 * varasm.c (shared_constant_pool): New variable.
1297 (assemble_start_function, assemble_end_function): Remove arguments
1298 from call to output_constant_pool.
1299 (create_constant_pool): New function, split out from...
1300 (init_varasm_status): ...here.
1301 (force_const_mem): Choose between the shared and per-function constant
1302 pools. Set current_function_uses_const_pool when reusing old entries
1303 as well as when creating new ones.
1304 (mark_constant): Ignore data argument.
1305 (mark_constants): Remove pool argument.
1306 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
1307 to decide whether the function uses a constant pool.
1308 (output_constant_pool_contents): New function, split out from...
1309 (output_constant_pool): ...here.
1310 (output_shared_constant_pool): New function.
1311 (init_varasm_once): Initialize shared_constant_pool.
1312 * output.h (output_constant_pool): Delete.
1313 (output_shared_constant_pool): Declare.
1314 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
1315 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
1317 2006-03-06 Nick Clifton <nickc@redhat.com>
1319 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
1320 flag_strength_reduce.
1322 2006-03-06 Ben Elliston <bje@au.ibm.com>
1324 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
1325 x86_64-*-linux* configurations.
1327 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
1328 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
1330 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
1332 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
1334 * basic-block.h: Remove the extern for
1335 rediscover_loops_after_threading.
1337 * cfgloop.c (cancel_loop): Make it static.
1338 * cfgloop.h: Remove the prototype for cancel_loop.
1340 * flow.c (recompute_reg_usage): Make it static.
1341 * rtl.h: Remove the prototype for recompute_reg_usage.
1343 * function.c (use_return_register): Make it static.
1344 * function.h: Remove the prototype.
1346 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
1348 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
1350 * recog.h: Remove the prototype for
1351 validate_change_maybe_volatile.
1353 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
1355 * rtlanal.c (replace_reg): Remove.
1356 * rtl.h: Remove the prototype for replace_reg.
1358 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
1360 * regclass.c (reg_scan_update): Remove.
1361 (reg_scan_mark_refs): Remove the last argument.
1362 * rtl.h: Remove the prototype for reg_scan_update.
1364 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1366 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
1367 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
1368 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
1369 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
1370 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
1371 loop-invariant.c, omp-low.c, opts.c, passes.c,
1372 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
1373 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
1374 tree-ssa-structalias.c, tree-ssa-threadedge.c,
1375 tree-ssa-threadupdate.c, tree-vect-patterns.c,
1376 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
1377 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
1379 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1381 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
1382 * dwarf2out.h: Remove the prototype for
1383 dwarf2out_add_library_unit_info.
1385 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1387 * tree.c (add_var_to_bind_expr): Remove.
1388 * tree.h: Remove the prototype for add_var_to_bind_expr.
1390 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1392 * regclass.c (n_non_fixed_regs): Remove.
1393 (init_reg_sets_1, globalize_reg): Remove all uses of
1395 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
1397 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1399 * rtlanal.c (insns_safe_to_move_p): Remove.
1400 * rtl.h: Remove the prototype for insns_safe_to_move_p.
1402 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1404 * expmed.c (expand_mult_add): Remove.
1405 * expr.h: Remove the prototype for expand_mult_add.
1407 2006-03-04 Jakub Jelinek <jakub@redhat.com>
1409 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
1410 and REG_SAVED_VAL_EXP constants.
1411 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
1412 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
1413 Handle regs stored by value.
1414 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
1415 (execute_cfa_program): Handle DW_CFA_val_offset,
1416 DW_CFA_val_offset_sf and DW_CFA_val_expression.
1417 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
1418 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
1419 (uw_install_context_1): Handle target regs stored by value.
1421 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
1423 * tree-sra.c (tree_sra): Return todoflags;
1424 (generate_one_element): Set TODO_update_smt_usage if needed.
1425 (pass_sra): Remove TODO_update_smt_usage.
1426 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
1428 (tree_ssa_forward_propagate_single_use_vars): Return
1429 TODO_update_smt_usage if we need to update SMT usage.
1430 (pass_forwprop): Remove TODO_update_smt_usage.
1432 2006-03-03 Diego Novillo <dnovillo@redhat.com>
1434 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
1435 (correct_use_link): Remove reference to get_stmt_operands.
1436 (update_stmt_operands): Likewise.
1437 (get_modify_expr_operands): New function factored out of
1438 parse_ssa_operands and get_expr_operands.
1439 Try to create V_MUST_DEFs for LHS by default.
1440 (get_expr_operands) <case MODIFY_EXPR>: Call
1441 get_modify_expr_operands.
1442 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
1443 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
1444 (parse_ssa_operands) <case MODIFY_EXPR>: Call
1445 get_modify_expr_operands.
1447 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
1449 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
1450 * tree-flow.h: Remove the prototype for
1451 referenced_var_lookup_if_exists.
1453 2006-03-03 Steve Ellcey <sje@cup.hp.com>
1455 PR rtl-optimization/26345
1457 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
1459 2006-03-03 Roger Sayle <roger@eyesopen.com>
1461 PR tree-optimization/26524
1462 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
1463 fold_convert to create a constant of the appropriate type.
1465 2006-03-03 Richard Sandiford <richard@codesourcery.com>
1467 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1468 SYMBOL_REF_IN_BLOCK_P.
1469 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
1470 of SYMBOL_FLAG_IN_BLOCK.
1471 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
1472 instead of SYMBOL_REF_IN_BLOCK_P.
1473 * explow.c (use_anchored_address): Likewise.
1474 * rtl.c (rtx_size): Likewise.
1475 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
1476 instead of SYMBOL_FLAG_IN_BLOCK.
1477 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1478 SYMBOL_REF_IN_BLOCK_P.
1479 (assemble_variable): Likewise.
1480 (output_constant_def_contents): Likewise.
1481 (output_constant_pool): Likewise.
1482 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
1483 instead of SYMBOL_FLAG_IN_BLOCK.
1484 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1485 SYMBOL_REF_IN_BLOCK_P.
1486 (SYMBOL_REF_BLOCK): Likewise.
1487 (SYMBOL_REF_OFFSET): Likewise.
1488 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1489 SYMBOL_REF_IN_BLOCK_P.
1490 (SYMBOL_FLAG_IN_BLOCK): Replace with...
1491 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
1492 (SYMBOL_REF_IN_BLOCK_P): Replace with...
1493 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
1495 2006-03-03 Jakub Jelinek <jakub@redhat.com>
1497 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
1499 2006-03-02 Roger Sayle <roger@eyesopen.com>
1501 * simplify-rtx.c (simplify_unary_operation): When simplifying
1502 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
1503 that we perform the right shift in the appropriate mode, and
1504 then extend or truncate the result to requested mode.
1506 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
1508 * gengtype.c (main): Handle double_int type.
1509 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
1510 * double-int.c: New file.
1511 * double-int.h: New file.
1512 * system.h: Include doubleint.h.
1513 * Makefile.in (SYSTEM_H): Include double-int.h.
1514 (double-int.o): Add.
1516 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
1519 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
1522 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
1524 * tree-vrp.c (remove_range_assertions): Do not update statements
1527 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
1529 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
1531 * gcse.c (rest_of_handle_gcse): Ditto.
1532 * except.c (gate_handle_eh): Ditto.
1533 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
1534 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
1536 2006-03-02 Eric Christopher <echristo@apple.com>
1538 * config/i386/i386.c (machopic_output_stub): Add indirection to
1541 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
1545 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
1547 Sun Niagara specific optimizations.
1548 * config.gcc: Recognize niagara as target.
1549 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
1550 (TARGET_CPU_niagara): Define.
1551 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
1552 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
1553 (CPP_CPU_SPEC): Handle -mcpu=niagara.
1554 (ASM_CPU_SPEC): Likewise.
1555 (PROCESSOR_NIAGARA): New enum entry.
1556 (REGISTER_MOVE_COST): Handle Niagara.
1557 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
1558 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
1559 (sparc_override_options): Recognize "niagara", set appropriate
1560 default MASK_* values for it, and align functions to 32-bytes
1561 by default just like ULTRASPARC/ULTRASPARC3.
1562 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
1563 (sparc64_initialize_trampoline): Likewise.
1564 (sparc_use_sched_lookahead): Use zero for niagara.
1565 (sparc_issue_rate): Use one for niagara.
1566 * config/sparc/niagara.md: New file.
1567 * config/sparc/sparc.md: Include it.
1568 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
1569 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
1570 when default cpu is niagara.
1571 (CPP_CPU_SPEC): Handle -mcpu=niagara.
1572 (ASM_CPU_SPEC): Likewise.
1573 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
1574 when default cpu is niagara.
1575 (ASM_CPU_SPEC): Handle -mcpu=niagara.
1576 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
1577 just like v9/ultrasparc/ultrasparc3.
1578 * doc/invoke.texi: Add documentation for "niagara" and improve
1579 existing documentation for ultrasparc variants.
1581 2006-03-02 Diego Novillo <dnovillo@redhat.com>
1583 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
1585 2006-03-02 Richard Sandiford <richard@codesourcery.com>
1587 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
1588 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
1589 and say that only one is needed.
1590 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
1591 * target.h (have_switchable_bss_sections): New hook.
1592 * explow.c (use_anchored_address): Check that the symbol is in a block.
1593 * varasm.c (tls_comm_section, comm_section, lcomm_section)
1594 (bss_noswitch_section): New variables.
1595 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
1596 (get_noswitch_section): New function.
1597 (get_block_for_section): Allow SECT to be null.
1598 (unlikely_text_section_p): Use SECTION_STYLE.
1599 (bss_initializer_p): New function.
1600 (get_variable_section): Move earlier in file. Take a new argument,
1601 prefer_noswitch_p. Move bss checks from assemble_variable to here.
1602 Return one of the new *_sections in such cases.
1603 (get_block_for_decl): New function, extracting some logic from
1604 use_blocks_for_decl_p.
1605 (change_symbol_section): Remove in favor of...
1606 (change_symbol_block): ...this new function.
1607 (use_blocks_for_decl_p): Remove checks now performed by
1609 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
1610 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
1611 (emit_local, emit_bss, emit_common): ...these new functions.
1612 Return true if the alignment was honored.
1613 (emit_tls_common): New function.
1614 (asm_emit_uninitialised): Delete.
1615 (assemble_variable_noswitch): New function, split out from...
1616 (assemble_variable): ...here. Don't make decisions about common
1617 variables here. Globalize all public decls that go into non-common
1618 sections. Check whether SYMBOL_REF_BLOCK is null.
1619 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
1620 (output_constant_pool): Likewise.
1621 (init_varasm_once): Initialize the new section variables.
1622 (have_global_bss_p): New function.
1623 (categorize_decl_for_section): Use bss_initializer_p.
1624 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
1625 (place_block_symbol): Assert that the symbol must be in a block.
1626 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
1627 (TARGET_INITIALIZER): Include it.
1628 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
1629 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
1630 (SECTION_MACH_DEP): Bump by two.
1631 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
1632 (unnamed_section): Mention SECTION_UNNAMED in comment.
1633 (named_section): Likewise SECTION_NAMED.
1634 (noswitch_section_callback): New type.
1635 (noswitch_section): New structure.
1636 (section): Add a noswitch_section alternative.
1637 (SECTION_STYLE): New macro.
1638 (tls_comm_section, comm_section, lcomm_section): Declare.
1639 (bss_noswitch_section, have_global_bss_p): Declare.
1640 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
1641 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
1643 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
1644 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
1647 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
1649 * gcc/tree-vrp.c (execute_vrp): Return value.
1650 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
1651 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
1652 * gcc/tree-complex.c (tree_lower_complex): Ditto.
1653 (tree_lower_complex_O0): Ditto.
1654 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
1655 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
1656 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
1657 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
1658 (execute_tail_calls): Ditto.
1659 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1660 * gcc/tree.h (init_function_for_compilation): Ditto.
1661 * gcc/ipa-cp.c (ipcp_driver): Ditto.
1662 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
1663 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
1664 * gcc/final.c (compute_alignments): Ditto.
1665 (rest_of_handle_final): Ditto.
1666 (rest_of_handle_shorten_branches): Ditto.
1667 (rest_of_clean_state): Ditto.
1668 * gcc/omp-low.c (execute_expand_omp): Ditto.
1669 (execute_lower_omp): Ditto.
1670 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
1671 * gcc/ipa-reference.c (static_execute): Ditto.
1672 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
1673 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
1674 (rest_of_handle_machine_reorg): Ditto.
1675 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
1676 * gcc/flow.c (recompute_reg_usage): Ditto.
1677 (rest_of_handle_remove_death_notes): Ditto.
1678 (rest_of_handle_life): Ditto.
1679 (rest_of_handle_flow2): Ditto.
1680 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
1681 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
1682 (do_ssa_store_ccp): Ditto.
1683 (execute_fold_all_builtins): Ditto.
1684 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
1685 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
1686 * gcc/ipa-pure-const.c (static_execute): Ditto.
1687 * gcc/cse.c (rest_of_handle_cse): Ditto.
1688 (rest_of_handle_cse2): Ditto.
1689 * gcc/web.c (rest_of_handle_web): Ditto.
1690 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
1691 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
1692 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
1693 * gcc/tree-nrv.c (tree_nrv): Ditto.
1694 (execute_return_slot_opt): Ditto.
1695 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
1696 (create_structure_vars): Ditto.
1697 * gcc/loop-init.c (rtl_loop_init): Ditto.
1698 (rtl_loop_done): Ditto.
1699 (rtl_move_loop_invariants): Ditto.
1700 (rtl_unswitch): Ditto.
1701 (rtl_unroll_and_peel_loops): Ditto.
1702 (rtl_doloop): Ditto.
1703 * gcc/gimple-low.c (lower_function_body): Ditto.
1704 (mark_used_blocks): Ditto.
1705 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
1706 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
1707 (cgraph_early_inlining): Ditto.
1708 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
1709 * gcc/jump.c (cleanup_barriers): Ditto.
1710 (purge_line_number_notes): Ditto.
1711 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
1712 (rest_of_handle_if_after_reload): Ditto.
1713 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
1714 (tree_ssa_loop_im): Ditto.
1715 (tree_ssa_loop_unswitch): Ditto.
1716 (tree_vectorize): Ditto.
1717 (tree_linear_transform): Ditto.
1718 (tree_ssa_loop_ivcanon): Ditto.
1719 (tree_ssa_empty_loop): Ditto.
1720 (tree_ssa_loop_bounds): Ditto.
1721 (tree_complete_unroll): Ditto.
1722 (tree_ssa_loop_prefetch): Ditto.
1723 (tree_ssa_loop_ivopts): Ditto.
1724 (tree_ssa_loop_done): Ditto.
1725 * gcc/predict.c (tree_estimate_probability): Ditto.
1726 * gcc/recog.c (split_all_insns_noflow): Ditto.
1727 (rest_of_handle_peephole2): Ditto.
1728 (rest_of_handle_split_all_insns): Ditto.
1729 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
1730 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
1731 (rest_of_handle_stack_adjustments): Ditto.
1732 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
1733 * gcc/function.c (instantiate_virtual_regs): Ditto.
1734 (init_function_for_compilation): Ditto.
1735 (rest_of_handle_check_leaf_regs): Ditto.
1736 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
1737 (rest_of_handle_gcse): Ditto.
1738 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
1739 * gcc/alias.c (rest_of_handle_cfg): Ditto.
1740 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
1741 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
1742 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
1743 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
1744 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
1745 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
1746 * gcc/except.c (set_nothrow_function_flags): Ditto.
1747 (convert_to_eh_region_ranges): Ditto.
1748 (rest_of_handle_eh): Ditto.
1749 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
1750 (remove_unnecessary_notes): Ditto.
1751 * gcc/except.h (set_nothrow_function_flags): Ditto.
1752 (convert_to_eh_region_ranges): Ditto.
1753 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
1754 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
1755 * gcc/tree-ssa-pre.c (do_pre): Ditto.
1756 (execute_fre): Ditto.
1757 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
1758 (rest_of_handle_jump2): Ditto.
1759 * gcc/tree-sra.c (tree_sra): Ditto.
1760 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
1761 (execute_mudflap_function_decls): Ditto.
1762 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
1763 (do_store_copy_prop): Ditto.
1764 * gcc/ipa-prop.h (ipcp_driver): Ditto.
1765 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
1766 * gcc/tree-ssa-forwprop.c
1767 (tree_ssa_forward_propagate_single_use_vars): Ditto.
1768 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
1769 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
1770 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
1771 (execute_late_warn_uninitialized): Ditto.
1772 * gcc/rtl.h (cleanup_barriers): Ditto.
1773 (split_all_insns_noflow): Ditto.
1774 (purge_line_number_notes): Ditto.
1775 (unshare_all_rtl): Ditto.
1776 (remove_unnecessary_notes): Ditto.
1777 (recompute_reg_usage): Ditto.
1778 (variable_tracking_main): Ditto.
1779 * gcc/integrate.c (emit_initial_value_sets): Ditto.
1780 * gcc/integrate.h (emit_initial_value_sets): Ditto.
1781 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
1782 (execute_free_cfg_annotations): Ditto.
1783 (execute_fixup_cfg): Ditto.
1784 (execute_cleanup_cfg_pre_ipa): Ditto.
1785 (execute_cleanup_cfg_post_optimizing): Ditto.
1786 (execute_init_datastructures): Ditto.
1787 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
1788 * gcc/combine.c (rest_of_handle_combine): Ditto.
1789 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
1790 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
1791 (rest_of_handle_reorder_blocks): Ditto.
1792 (rest_of_handle_partition_blocks): Ditto.
1793 * gcc/var-tracking.c (variable_tracking_main): Ditto.
1794 * gcc/tree-profile.c (tree_profiling): Ditto.
1795 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
1796 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
1797 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
1798 (rest_of_handle_sched2): Ditto.
1799 * gcc/basic-block.h (free_bb_insn): Ditto.
1800 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
1801 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
1802 (remove_useless_stmts): Ditto.
1803 (split_critical_edges): Ditto.
1804 (execute_warn_function_return): Ditto.
1805 (execute_warn_function_noreturn): Ditto.
1806 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
1807 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
1808 * gcc/passes.c (execute_one_pass): Run additional
1809 todos returned by execute function.
1810 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
1813 2006-03-02 Richard Guenther <rguenther@suse.de>
1815 * tree-ssa-alias.c (find_used_portions): Consider taking
1816 the address as making the variable not write-only.
1818 2006-03-02 Nick Clifton <nickc@redhat.com>
1820 * config.gcc (default_use_cxa_atexit): Extend the description of
1821 this configure variable. Set its default value to "yes" for
1822 Linux, NetBSD and ELF targets on the assumption that they will
1823 use C libraries with the __cxa_atexit function.
1825 2006-03-02 Ben Elliston <bje@au.ibm.com>
1827 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
1828 parameter as unused to suppress a build warning.
1830 2006-03-02 Ben Elliston <bje@au.ibm.com>
1832 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
1835 2006-03-01 Roger Sayle <roger@eyesopen.com>
1838 * gthr-posix.h (__gthrw2): Define to take three parameters, the
1839 declared name, the weak reference name, and the typeof name.
1840 (__gthrw): Avoid expanding the declared name suffix.
1841 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
1843 2006-03-01 Jakub Jelinek <jakub@redhat.com>
1845 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
1847 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
1848 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
1849 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
1850 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
1851 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
1852 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
1853 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
1854 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
1855 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
1856 DW_DS_leading_separate, DW_DS_trailing_separate): New.
1857 (DW_END_default, DW_END_big, DW_END_little): New.
1858 (DW_END_lo_user, DW_END_hi_user): Define.
1859 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
1860 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
1861 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
1864 2006-03-01 Diego Novillo <dnovillo@redhat.com>
1866 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
1868 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
1870 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
1872 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
1874 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
1875 to 'symbol_mem_tag'.
1877 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
1880 2006-03-01 Roger Sayle <roger@eyesopen.com>
1882 * builtins.c (fold_builtin_copysign): Delete unreachable code.
1884 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
1887 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
1888 MACHO_DYNAMIC_NO_PIC_P.
1889 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
1891 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
1894 * config/darwin-protos.h (darwin_asm_output_anchor):
1896 * config/darwin-sections.def (cstring_section):
1897 Add SECTION_MERGE to the flags.
1898 (literal4_section): Likewise.
1899 (literal8_section): Likewise.
1900 (objc_selector_refs_section): Likewise.
1901 (objc_cls_refs_section): Likewise.
1902 * config/darwin.c (darwin_asm_output_anchor): New
1904 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
1906 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
1908 Fix PR tree-optimization/26443
1909 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
1910 to todo and PROP_tmt_usage to properties_destroyed.
1911 * tree-ssa-ccp.c (pass_ccp): Ditto.
1912 (pass_store_ccp): Ditto.
1913 * tree-ssa-dom.c (pass_dominator): Ditto.
1915 2006-03-01 Diego Novillo <dnovillo@redhat.com>
1917 * tree-ssa-operands.c: Cleanup whitespace.
1918 (get_asm_expr_operands): Move before first invocation.
1919 (get_indirect_ref_operands): Likewise.
1920 (get_tmr_operands): Likewise.
1921 (get_call_expr_operands): Likewise.
1922 (append_def): Likewise.
1923 (append_use): Likewise.
1924 (append_v_may_def): Likewise.
1925 (append_v_must_def): Likewise.
1926 (add_call_clobber_ops): Likewise.
1927 (add_call_read_ops): Likewise.
1928 (add_stmt_operand): Likewise.
1929 (add_virtual_operand): Likewise.
1930 (build_ssa_operands): Likewise.
1932 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
1937 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
1938 with a call expr to ...
1939 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
1941 2006-03-01 Diego Novillo <dnovillo@redhat.com>
1943 * tree-vrp.c (extract_range_from_assert): Remove special
1944 handling for types with super-types.
1946 2006-03-01 Ben Elliston <bje@au.ibm.com>
1948 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
1949 and powerpc64-*-linux* configurations.
1950 * config/t-dfprules: New file.
1952 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
1953 Compile dfp-bit.c from the source directory using -DWIDTH and
1954 $DFP_CFLAGS to control the compilation of that file, rather than
1955 generating width-specific versions in the build directory.
1956 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
1957 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
1959 2006-02-28 Zack Weinberg <zackw@panix.com>
1961 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
1964 2006-02-28 Eric Christopher <echristo@apple.com>
1966 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
1967 Set up IN_LIBGCC definition of TARGET_64BIT.
1968 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
1970 2006-02-28 Roger Sayle <roger@eyesopen.com>
1973 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
1974 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
1975 cases via the construction of "expr != 0".
1977 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
1979 * alias.c (alias_invariant, alias_invariant_size): Remove.
1980 (record_base_value): Remove.
1981 (memrefs_conflict_p): Don't look at alias_invariant.
1982 (end_alias_analysis): Don't free it.
1983 * alias.h (record_base_value): Remove prototype.
1985 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
1986 Adam Nemet <anemet@caviumnetworks.com>
1988 * rtl.h (truncated_to_mode): Declare it.
1989 (struct rtl_hooks): Add reg_truncated_to_mode hook.
1990 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
1991 (RTL_HOOKS_INITIALIZER): Include it.
1992 * rtlhooks.c (reg_truncated_to_mode_general): New function.
1993 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
1994 reg_truncated_to_mode.
1995 * rtlanal.c (truncated_to_mode): Define it.
1996 * simplify-rtx.c (simplify_unary_operation_1): Use it.
1998 2006-02-28 Jeff Law <law@redhat.com>
2000 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
2001 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
2002 the range allowed by TYPE_PRECISION.
2004 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
2006 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
2008 PR tree-optimization/26419
2009 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
2012 2006-02-27 Zack Weinberg <zackw@panix.com>
2014 * doc/md.texi: Fix typo in previous change.
2016 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
2020 2006-02-27 Zack Weinberg <zackw@panix.com>
2022 * rtl.def (define_constraint, define_register_constraint)
2023 (define_memory_constraint, define_address_constraint): New MD forms.
2024 * gensupport.c (process_rtx): Put define_constraint etc on the
2026 * genpreds.c (process_define_predicate): Adjust comment. Validate
2027 the name, and call validate_exp to validate the expression.
2028 (mark_mode_tests, write_extract_subexp): Can assume correct input.
2029 (write_predicate_expr): Likewise. NAME argument no longer necessary;
2030 all callers changed.
2031 (validate_exp, needs_variable, struct constraint_data)
2032 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
2033 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
2034 (const_dbl_constraints, constraint_max_namelen)
2035 (have_register_constraints, have_memory_constraints)
2036 (have_address_constraints, have_address_constraints)
2037 (have_extra_constraints, have_const_int_constraints)
2038 (have_const_dbl_constraints, mangle, add_constraint)
2039 (process_define_constraint, process_define_register_constraint)
2040 (write_enum_constraint_num, write_lookup_constraint)
2041 (write_insn_constraint_len, write_regclass_for_constraint)
2042 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
2043 (write_insn_extra_memory_constraint)
2044 (write_insn_extra_address_constraint)
2045 (write_satisfies_constraint_fns): New.
2046 (write_tm_preds_h): If we have new-style constraint definitions,
2047 prototype the functions generated from them, and define the
2048 old constraint interface (still used by generic code) in terms of
2050 (write_insn_preds_c): If we have new-style constraint definitions,
2051 generate all relevant functions from those definitions.
2052 (main): Handle define_constraint etc.
2053 * genoutput.c (struct constraint_data, indep_constraints)
2054 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
2055 (mdep_constraint_len): New data structures and functions, defined
2056 #ifdef USE_MD_CONSTRAINTS.
2057 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
2058 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
2059 use new logic to validate operand constraints against constraint
2061 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
2063 * defaults.h: If none of the old-style constraint macros are
2064 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
2065 old-style macros; and poison REG_CLASS_FROM_LETTER,
2066 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
2068 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
2069 * doc/md.texi: Document new constraint-definition mechanism and the
2070 C interface it provides. Remove references to old mechanism
2071 elsewhere in the document.
2072 (Machine Constraints): Use pathnames relative to gcc directory,
2073 i.e. config/ARCH/FILE. Change i386 section to refer to
2074 config/i386/predicates.md; update that section to match docstrings.
2075 * doc/tm.texi: Move all documentation of the old constraint-
2076 definition macros to their own section, clearly mark as obsolete.
2078 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
2079 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
2081 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
2082 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
2083 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
2085 (splits and peepholes): Use satisfies_constraint_*.
2086 * config/i386/i386.c (memory_address_length)
2087 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
2089 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
2091 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
2092 scalar operation to be put back into the loop.
2094 2006-02-27 Jakub Jelinek <jakub@redhat.com>
2097 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
2098 (extract_cie_info): Handle S flag in augmentation string.
2099 (execute_cfa_program): If context->signal_frame, execute also
2100 fs->pc == context->ra instructions.
2101 (uw_frame_state_for): If context->signal_frame, don't subtract one
2102 from context->ra to find FDE.
2103 (uw_update_context_1): Set context->signal_frame to
2105 (_Unwind_GetIPInfo): New function.
2106 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
2107 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
2109 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
2110 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
2111 * unwind-compat.c (_Unwind_GetIPInfo): New function.
2112 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
2113 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
2114 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
2115 * config/i386/linux-unwind.h (x86_fallback_frame_state,
2116 x86_64_fallback_frame_state): Set fs->signal_frame.
2117 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
2118 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
2119 (frob_update_context): Likewise. Workaround missing S flag in
2120 Linux 2.6.12 - 2.6.16 kernel vDSOs.
2121 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
2122 Remove the psw_addr + 1 hack.
2124 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
2126 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
2127 with aggregates here.
2128 (find_func_aliases): Remove code for &<aggregate> from here.
2130 2006-02-26 Roger Sayle <roger@eyesopen.com>
2132 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
2133 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
2134 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
2137 2006-02-26 Roger Sayle <roger@eyesopen.com>
2140 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
2142 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
2144 * opts.c (decode_options): Do not handle flag_strength_reduce.
2145 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
2146 and OPT_fstrength_reduce.
2147 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
2148 flag_prefetch_loop_arrays for being nonzero.
2149 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
2151 (fprefetch-loop-arrays-rtl): Removed.
2152 (flag_prefetch_loop_arrays): Do not specify the value.
2154 * doc/passes.texi: Update documentation of loop optimizer
2156 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
2157 -frerun-loop-opt): Remove.
2159 2006-02-26 Richard Guenther <rguenther@suse.de>
2161 PR tree-optimization/26421
2162 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
2163 in function calls that are ADDR_EXPRs as using the whole structure.
2165 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
2167 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
2168 * tree-pass.h (pass_loop_optimize): Remove.
2169 * passes.c (pass_loop_optimize): Never run it.
2170 * toplev.c (backend_init): Don't call init_loop.
2171 * opts.c (flag_loop_optimize_set): Remove.
2172 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
2173 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
2174 the old RTL loop optimizer when profiling enabled.
2175 * predict.c (tree_estimate_probability): Always strip builtin_expect.
2176 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
2177 pre-headers for the sake of the old RTL loop optimizer.
2178 * Makefile.in: Remove all references to loop.o.
2180 * doc/invoke.texi: Remove all references to -floop-optimize
2181 and -frerun-loop-opt.
2183 2006-02-26 Zack Weinberg <zackw@panix.com>
2185 * doc/md.texi (Machine Constraints): Refer to all files with paths
2186 relative to gcc directory (i.e. config/CPU/file). Add missing
2187 @table @code ... @end table to M32C subsection.
2189 2006-02-26 Roger Sayle <roger@eyesopen.com>
2191 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
2193 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
2195 2006-02-26 Roger Sayle <roger@eyesopen.com>
2196 James A. Morrison <phython@gcc.gnu.org>
2199 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
2200 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
2201 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
2202 signedness of the shift operation.
2204 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
2206 PR tree-optimization/26359
2207 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
2209 2006-02-25 Roger Sayle <roger@eyesopen.com>
2211 * simplify-rtx.c (simplify_relational_operation_1): Simplify
2212 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
2213 as X == 0, and some symmetry related transformations.
2214 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
2216 2006-02-25 Roger Sayle <roger@eyesopen.com>
2219 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
2220 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
2221 symmetry related transformations. Fold (X^C1) == C2 as
2224 2006-02-25 Juergen Weigert <jw@suse.de>
2225 Richard Guenther <rguenther@suse.de>
2227 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
2229 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
2231 * combine.c (gen_lowpart_or_truncate): Call
2232 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
2234 2006-02-24 Diego Novillo <dnovillo@redhat.com>
2236 * doc/invoke.texi: Move -fopenmp description to "Options for
2238 Remove reference to -lgomp.
2240 2006-02-24 David Edelsohn <edelsohn@gnu.org>
2242 * doc/install.texi: Require GNU tar version 1.14.
2244 2006-02-24 Geoffrey Keating <geoffk@apple.com>
2246 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
2247 * doc/invoke.texi (C++ Dialect Options): Document
2248 -fno-use-cxa-get-exception-ptr.
2249 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
2250 * configure: Regenerate.
2251 * c.opt (fuse-cxa-get-exception-ptr): New.
2252 * c-opts.c (c_common_handle_option): Handle
2253 OPT_fuse_cxa_get_exception_ptr.
2254 * c-common.c (flag_use_cxa_atexit): Update documentation.
2255 (flag_use_cxa_get_exception_ptr): New.
2256 * c-common.h (flag_use_cxa_get_exception_ptr): New.
2257 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
2259 (C_COMMON_OVERRIDE_OPTIONS): New.
2261 2006-02-24 Roger Sayle <roger@eyesopen.com>
2264 * combine.c (try_combine): Explicitly check whether GET_CODE is
2265 a SET or a CLOBBER, instead on checking that it isn't a USE.
2267 2006-02-24 Roger Sayle <roger@eyesopen.com>
2269 * fold-const.c (fold_comparison): New subroutine of fold_binary
2270 containing transformations common to both the equality and
2271 ordering relational operators, factored out of fold_binary.
2272 (fold_binary): Separate out the equality operators (EQ_EXPR
2273 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
2274 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
2275 transformations common to both.
2276 (fold_div_compare): Fix latent bugs in the previously unreachable
2277 LT_EXPR and GE_EXPR cases.
2279 2006-02-24 David Edelsohn <edelsohn@gnu.org>
2281 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
2282 decl libname for clog to __clog on AIX.
2284 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
2286 2006-02-24 Alan Modra <amodra@bigpond.net.au>
2289 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
2290 output traceback table for thunks. Localise rs6000_stack_info call.
2292 2006-02-23 Roger Sayle <roger@eyesopen.com>
2293 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2295 * gthr-posix.h (__gthrw): Fix typo in comment.
2297 2006-02-23 Geoffrey Keating <geoffk@apple.com>
2299 * doc/cpp.texi (Character sets): Document that we do support
2300 input files to be in any character set.
2302 2006-02-23 Jeff Law <law@redhat.com>
2304 * tree.h (PHI_ARG_NONZERO): Remove.
2305 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
2306 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
2307 node to the new node.
2309 PR tree-optimization/26425
2310 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
2311 min/max, then assume its varying.
2313 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
2315 PR rtl-optimization/26316
2316 * rtlanal.c (enum may_trap_p_flags): New.
2317 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
2318 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
2319 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
2320 (may_trap_after_code_motion_p): New function.
2321 * loop-invariant.c (find_identical_invariants): Fix dump formating.
2322 (find_invariant_insn): Use may_trap_after_code_motion_p.
2323 * rtl.h (may_trap_after_code_motion_p): Declare.
2325 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
2327 * emit-rtl.c (immed_double_const): Cleanup.
2329 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
2331 Fix PR tree-optimization/26376
2332 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
2335 2006-02-23 Jakub Jelinek <jakub@redhat.com>
2338 * gimplify.c (omp_add_variable): Guard variable size decl test with
2339 DECL_SIZE (decl) check.
2341 2006-02-23 Richard Guenther <rguenther@suse.de>
2344 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
2345 like aggregate types.
2347 2006-02-23 Jakub Jelinek <jakub@redhat.com>
2349 * configure.ac: Add --with{,out}-long-double-128 configure option.
2350 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
2351 * configure: Rebuilt.
2352 * config.in: Rebuilt.
2353 * doc/install.texi (Options specification): Document
2354 --with-long-double-128.
2356 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
2357 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
2358 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
2359 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
2361 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
2363 * config/s390/s390.c (override_options): Handle
2364 TARGET_DEFAULT_LONG_DOUBLE_128.
2366 * config/alpha/alpha.c (override_options): Handle
2367 TARGET_DEFAULT_LONG_DOUBLE_128.
2369 * config/sparc/sparc.c (sparc_override_options): Handle
2370 TARGET_DEFAULT_LONG_DOUBLE_128.
2372 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
2374 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
2375 (real-install-headers-tar, real-install-headers-cpio)
2376 (real-install-headers-cp): New targets.
2378 2006-02-22 Richard Sandiford <richard@codesourcery.com>
2380 * tree.h (variable_section): Delete.
2381 * varasm.c (variable_section): Delete.
2383 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
2385 * install.texi: Add notes on install.texi2html.
2386 (Building in parallel): Do not use footnotes.
2388 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
2391 * doc/install.texi (Configuration): Document --disable-libgomp.
2393 2006-02-21 Geoffrey Keating <geoffk@apple.com>
2395 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
2397 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
2399 * config/i386/sse.md (vec_extractv2df_1_sse): New.
2400 (vec_extractv2df_0_sse): New.
2402 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
2404 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
2405 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
2406 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
2407 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
2408 to the result of the expression.
2409 (def_cfa_1): Adjust.
2410 (frame_pointer_cfa_offset): Rename to...
2411 (frame_pointer_fb_offset): ... this. Adjust all uses.
2412 (convert_cfa_to_loc_list): Rename to...
2413 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
2414 Pass it on to build_cfa_loc.
2415 (compute_frame_pointer_to_cfa_displacement): Rename to...
2416 (compute_frame_pointer_to_fb_displacement): ... this. New
2417 offset parameter. Use it in computation.
2418 (gen_subprogram_die): Compute cfa_fb_offset with the new
2419 macro, and use it to compute the fb loc list and the
2422 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
2424 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
2425 replaced with register_operand.
2426 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
2427 non-DREG is expensive.
2428 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
2429 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
2432 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
2434 * doc/install.texi2html: Use set -e.
2436 2006-02-21 Richard Sandiford <richard@codesourcery.com>
2438 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
2439 (ASM_OUTPUT_SHARED_LOCAL): Delete.
2440 * doc/invoke.texi (-fshared-data): Delete.
2441 * common.opt (fshared-data): Delete.
2442 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
2443 (assemble_static_space): Remove #if 0 code.
2444 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
2445 (ASM_OUTPUT_SHARED_LOCAL): Poison.
2446 * config/cris/cris.h: Remove FIXME.
2448 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
2450 * doc/sourcebuild.texi (Front End Directory): No more double-colon
2453 2006-02-21 Jakub Jelinek <jakub@redhat.com>
2456 * combine.c (simplify_shift_const_1): Disable nested shifts
2457 optimization for vector shifts.
2459 2006-02-20 Roger Sayle <roger@eyesopen.com>
2461 PR tree-optimization/26361
2462 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
2463 of unsigned integer types.
2465 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
2467 * tree-chrec.c (eq_evolutions_p): New.
2468 * tree-chrec.h (eq_evolutions_p): Declared.
2469 * tree-data-ref.c: Fix formatting.
2470 (datadep_stats, dependence_stats): New.
2472 (print_direction_vector): New.
2473 (dump_data_dependence_relation): Use print_direction_vector.
2474 (object_analysis, create_data_ref): Handle COMPONENT_REF.
2475 (compute_subscript_distance): Static.
2476 (initialize_data_dependence_relation): Static. Get the number
2477 of loops surrounding the references from the callers, and initialize
2478 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
2479 base_object_differ_p analyzers.
2480 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
2481 compute_overlap_steps_for_affine_1_2,
2482 analyze_subscript_affine_affine): Count the classified dependences.
2483 Print a message when a test failed.
2484 (can_use_analyze_subscript_affine_affine): New.
2485 (analyze_siv_subscript): Compute the data dependences on symbolic
2486 scevs that verify can_use_analyze_subscript_affine_affine.
2487 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
2488 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
2489 Handle symbolic scevs.
2490 (analyze_overlapping_iterations): Let symbolic affine scevs to be
2492 (subscript_dependence_tester): Moved...
2493 (build_classic_dist_vector, build_classic_dir_vector): Don't use
2494 lambda_vector_clear on newly allocated vectors. Get nb_loops from
2495 DDR_SIZE_VECT instead of getting it in parameter.
2496 (subscript_dependence_tester): ... here. Take as a parameter
2497 loop_nest_depth. Call build_classic_dist_vector and
2498 build_classic_dir_vector.
2499 (compute_affine_dependence): Update subscript_dependence_tester
2500 parameters. Update datadep_stats counters. Call
2501 compute_subscript_distance.
2502 (compute_self_dependence): Save the dist and dir vectors. Call
2503 compute_subscript_distance.
2504 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
2505 (compute_all_dependences): Reorder parameters as they were before
2506 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
2507 compute_subscript_distance. Update the use of
2508 compute_affine_dependence and initialize_data_dependence_relation.
2509 (find_data_references_in_loop): Handle COMPONENT_REF.
2510 (compute_data_dependences_for_loop): Initialize dependence_stats.
2511 Don't call build_classic_dist_vector and build_classic_dir_vector.
2512 Update the parameters of initialize_data_dependence_relation and
2513 compute_all_dependences. Print the statistics from datadep_stats.
2514 (analyze_all_data_dependences): Static. Not used until the pass for
2515 checking the data dependences is contributed.
2516 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
2517 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
2518 (initialize_data_dependence_relation, compute_affine_dependence,
2519 analyze_all_data_dependences, compute_subscript_distance): Removed.
2520 (print_direction_vector): New.
2521 * lambda.h (gcd): ... here.
2522 (lambda_vector_gcd): Moved here from gcd_vector.
2523 * lambda-code.c (gcd, gcd_vector): Removed.
2524 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
2525 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
2527 2006-02-20 Diego Novillo <dnovillo@redhat.com>
2529 * ipa-type-escape.c: Tidy some comments and white space.
2530 * tree-ssa-operands.c: Likewise.
2532 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
2535 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
2536 (dump_decl_name): Do not walk the decl tree chains.
2537 * tree-pass.h (TDF_CHAIN): Remove.
2539 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
2541 * Makefile.in (C): Remove
2543 (.PHONY): Remove C and PROTO
2545 2006-02-20 Roger Sayle <roger@eyesopen.com>
2548 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
2549 deprecated CHAR_TYPE tree code.
2551 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
2553 * configure.ac (target_list): Add install-info, dvi, html.
2554 * configure: Regenerate.
2556 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
2557 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
2558 treelang/Make-lang.in: Do not use double-colon rules.
2560 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
2562 * tree.h (struct tree_memory_tag): Add is_used_alone member.
2563 (TMT_USED_ALONE): New macro.
2564 * tree-pass.h (PROP_tmt_usage): New property.
2565 (TODO_update_tmt_usage): New todo.
2566 * tree-ssa-alias.c (updating_used_alone): New variable.
2567 (recalculate_used_alone): New function.
2568 (compute_may_aliases): Set updating_used_alone, call
2569 recalculate_used_alone.
2570 * tree-sra.c (pass_sra): Note that this pass destroys
2571 PROP_tmt_usage, and add TODO_update_tmt_usage.
2572 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
2573 * tree-flow.h (updating_used_alone): Prototype.
2574 (recalculate_used_alone): Ditto.
2575 * passes.c (execute_todo): Add code to set updating_used_alone,
2576 and call recalculate.
2577 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
2578 for clobber if used alone, and add assert to verify used_alone
2581 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
2583 * config/s390/s390.c (legitimize_pic_address): Assertions checking
2584 for non tls symbols added.
2585 (legitimize_address): Do nothing for PLUS expressions if one of the
2586 addends is a tls symbol reference.
2588 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
2592 * Makefile.in (LDFLAGS): Define from autoconf substitution.
2594 * Makefile.in (BOOTSTRAPPING): New.
2595 (quickstrap): New definition if BOOTSTRAPPING=yes.
2597 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
2598 * configure.ac: Substitute all_selected_languages with the languages
2599 that were configured. For all the other variables except
2600 lang_specs_files, include all the languages in the tree.
2601 * configure: Regenerate.
2603 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
2604 if there is one. Run the commands to run fixincludes in the same
2607 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
2608 * doc/install.texi: Document exact conventions for searching target tools.
2609 Document --with-build-time-tools. Document toplevel bootstrap. Document
2610 something more about building an Ada cross-compiler. Don't list GNU Make
2611 requirements which affect all platforms.
2613 2006-02-19 Roger Sayle <roger@eyesopen.com>
2616 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
2617 only equivalent if the have both the same mode and precision.
2619 2006-02-20 Ben Elliston <bje@au.ibm.com>
2621 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
2623 2006-02-19 Roger Sayle <roger@eyesopen.com>
2624 Steven Bosscher <stevenb.gcc@gmail.com>
2626 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
2627 constant pool references to identify stack mode constants.
2628 * rtlanal.c (constant_pool_constant_p): New predicate to check
2629 whether operand is a floating point constant in the pool.
2630 * rtl.h (constant_pool_constant_p): Prototype here.
2631 * loop.c (scan_loop): Avoid hoisting constants from the constant
2632 pool on STACK_REGS targets.
2633 (load_mems): Likewise.
2634 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
2635 loads into x87 registers expensive in terms of register pressure.
2637 2006-02-19 Roger Sayle <roger@eyesopen.com>
2639 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
2640 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
2642 2006-02-19 David Edelsohn <edelsohn@gnu.org>
2644 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
2645 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
2647 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
2649 * doc/invoke.texi: Document -fipa-pta.
2650 * common.opt: Add ipa-pta option.
2651 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
2652 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
2653 (do_ds_constraint): Ditto.
2654 (get_constraint_for): Only add to referenced_vars if
2655 referenced_vars exists.
2656 (insert_into_field_list): Rewrite to do this unsorted.
2657 (insert_into_field_list_sorted): Rename old insert_into_field_list
2659 (create_function_info_for): Use insert_into_field_list_sorted.
2660 (create_variable_info_for): Rewrite so it uses unsorted version,
2661 since the field list is sorted.
2662 (intra_create_variable_infos): Only add to referenced_vars if
2663 referenced_vars exists.
2664 (ipa_pta_execute): Init heapvars, and delete when done.
2665 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
2667 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2669 * doc/install.texi: Add missing `@samp'.
2671 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
2673 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
2676 2006-02-18 Mark Wielaard <mark@klomp.org>
2678 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
2679 who added new 4.1 features, bug fixes and integration support.
2681 2006-02-18 David Edelsohn <edelsohn@gnu.org>
2684 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
2687 2006-02-18 Richard Sandiford <richard@codesourcery.com>
2689 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
2690 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
2691 (copy_insn_1): Likewise. Don't copy each field individually.
2693 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
2695 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
2696 * rtl.c (rtx_size): Rename variable to...
2697 (rtx_code_size): ...this.
2698 (rtx_size): New function.
2699 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
2700 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
2702 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
2703 * rtl.h (rtx_code_size): New variable.
2704 (rtx_size): Change from a variable to a function.
2705 (RTX_SIZE): Rename to...
2706 (RTX_CODE_SIZE): ...this.
2709 PR tree-optimization/17106
2710 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
2711 (Anchored Addresses): New section.
2712 * doc/invoke.texi (-fsection-anchors): Document.
2713 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
2714 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
2715 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
2716 * hooks.c (hook_bool_mode_rtx_false): New function.
2717 * hooks.h (hook_bool_mode_rtx_false): Declare.
2718 * gengtype.c (create_optional_field): New function.
2719 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
2720 SYMBOL_REF_IN_BLOCK_P is true.
2721 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
2722 (min_anchor_offset, max_anchor_offset): Likewise.
2723 (use_anchors_for_symbol_p): New hook.
2724 * toplev.c (compile_file): Call output_object_blocks.
2725 (target_supports_section_anchors_p): New function.
2726 (process_options): Check that -fsection-anchors is only used on
2727 targets that support it and when -funit-at-a-time is in effect.
2728 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
2729 if the decl doesn't have one.
2730 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
2731 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
2732 of force_const_mem through use_anchored_address.
2733 (expand_expr_constant): New function.
2734 (expand_expr_addr_expr_1): Call it. Use the same modifier when
2735 calling expand_expr for INDIRECT_REF.
2736 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
2737 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
2738 * expr.h (use_anchored_address): Declare.
2739 * loop-unroll.c: Don't declare rtx vectors here.
2740 * explow.c: Include output.h.
2741 (validize_mem): Call use_anchored_address.
2742 (use_anchored_address): New function.
2743 * common.opt (-fsection-anchors): New switch.
2744 * varasm.c (object_block_htab, anchor_labelno): New variables.
2745 (hash_section, object_block_entry_eq, object_block_entry_hash)
2746 (use_object_blocks_p, get_block_for_section, create_block_symbol)
2747 (use_blocks_for_decl_p, change_symbol_section): New functions.
2748 (get_variable_section): New function, split out from assemble_variable.
2749 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
2750 use_blocks_for_decl_p say so. Use change_symbol_section if the
2751 symbol has already been created.
2752 (assemble_variable_contents): New function, split out from...
2753 (assemble_variable): ...here. Don't output any code for
2754 block symbols; just pass them to place_block_symbol.
2755 Use get_variable_section and assemble_variable_contents.
2756 (get_constant_alignment, get_constant_section, get_constant_size): New
2757 functions, split from output_constant_def_contents.
2758 (build_constant_desc): Create a block symbol if use_object_blocks_p
2759 says so. Or into SYMBOL_REF_FLAGS.
2760 (assemble_constant_contents): New function, split from...
2761 (output_constant_def_contents): ...here. Don't output any code
2762 for block symbols; just pass them to place_section_symbol.
2763 Use get_constant_section and get_constant_alignment.
2764 (force_const_mem): Create a block symbol if use_object_blocks_p and
2765 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
2766 (output_constant_pool_1): Add an explicit alignment argument.
2767 Don't switch sections here.
2768 (output_constant_pool): Adjust call to output_constant_pool_1.
2769 Switch sections here instead. Don't output anything for block symbols;
2770 just pass them to place_block_symbol.
2771 (init_varasm_once): Initialize object_block_htab.
2772 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
2773 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
2774 (place_block_symbol, get_section_anchor, output_object_block)
2775 (output_object_block_htab, output_object_blocks): New functions.
2776 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
2777 (TARGET_ASM_OUT): Include it.
2778 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
2779 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
2780 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
2781 (TARGET_INITIALIZER): Include them.
2782 * rtl.c (rtl_check_failed_block_symbol): New function.
2783 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
2784 (block_symbol, object_block): New structures.
2785 (rtx_def): Add a block_symbol field to the union.
2786 (BLOCK_SYMBOL_CHECK): New macro.
2787 (rtl_check_failed_block_symbol): Declare.
2788 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
2789 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
2790 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
2791 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
2792 * output.h (output_section_symbols): Declare.
2793 (object_block): Name structure.
2794 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
2795 (default_use_anchors_for_symbol_p): Declare.
2796 * Makefile.in (RTL_BASE_H): Add vec.h.
2797 (explow.o): Depend on output.h.
2798 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
2799 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
2800 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
2801 (rs6000_use_blocks_for_constant_p): New function.
2803 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2805 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
2807 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
2810 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
2813 2006-02-18 Diego Novillo <dnovillo@redhat.com>
2815 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
2819 2006-02-18 Jakub Jelinek <jakub@redhat.com>
2822 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
2823 instead of DECL_REGISTER.
2825 2006-02-18 Olivier Hainque <hainque@adacore.com>
2828 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
2830 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
2833 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
2834 * opth-gen.awk: Handle Var and InverseMask together.
2835 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
2836 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
2837 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
2838 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
2840 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
2841 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
2842 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
2843 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
2844 LINUX_DYNAMIC_LINKER): Define.
2845 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
2846 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
2848 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2849 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
2850 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2851 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2852 (TARGET_C99_FUNCTIONS): Don't define.
2853 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
2854 GLIBC_DYNAMIC_LINKER.
2855 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
2856 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
2857 GLIBC_DYNAMIC_LINKER64): Define.
2858 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
2859 LINUX_DYNAMIC_LINKER64.
2860 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2861 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2862 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
2863 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2864 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2865 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2866 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
2867 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
2868 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
2869 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
2870 and LINUX_DYNAMIC_LINKER32.
2871 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2872 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2873 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
2874 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2875 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
2877 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
2878 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
2879 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
2880 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
2881 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
2882 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
2883 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
2884 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
2885 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
2886 LINUX_DYNAMIC_LINKER): Define.
2887 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
2888 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
2889 GLIBC_DYNAMIC_LINKER64): Define.
2890 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
2891 LINUX_DYNAMIC_LINKER64.
2892 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2893 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2894 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
2895 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
2896 LINUX_DYNAMIC_LINKER): Define.
2897 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2898 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
2899 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
2900 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
2901 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
2902 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
2903 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
2904 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
2905 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
2906 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2907 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2908 * doc/invoke.texi (-muclibc): Remove caveat about supported
2911 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
2913 * doc/cpp.texi (__TIMESTAMP__): Document.
2915 2006-02-17 Roger Sayle <roger@eyesopen.com>
2918 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
2919 C is one less than the width of X (and related transformations).
2920 * simplify-rtx.c (simplify_unary_operation_1): Transform
2921 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
2922 depending on STORE_FLAG_VALUE, were C is one less then the
2925 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
2927 Fix PR tree-optimization/26341
2928 * tree-ssa-operands.c (add_virtual_operand): Remove assert
2929 about NAME_MEMORY_TAG's.
2931 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2934 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
2935 with hardware float support, and software float support. Add fcpy
2936 alternative to hardware patterns. Add alternatives to copy between
2937 general and floating-point registers to the 32-bit pattern.
2938 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
2939 secondary reload to load a QI or HI mode constant into a floating
2941 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
2942 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
2944 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
2947 * config/rs6000/darwin.md (load_macho_picbase_si): Add
2949 (load_macho_picbase_di): Likewise.
2951 2006-02-16 Jeff Law <law@redhat.com>
2953 * tree-vrp.c (set_value_range_to_nonnegative): New function.
2954 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
2955 (ssa_name_nonzero_p): Likewise.
2956 (get_value_range): Return NULL if VRP is not running.
2957 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
2958 VRP routines do not discover a range.
2959 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
2960 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
2961 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
2962 (tree_expr_nonnegative_p): Similarly.
2963 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
2964 (restore_nonzero_vars_to_original_value): Remove.
2965 (unsafe_associative_fp_binop): Remove.
2966 (tree_ssa_dominator_optimize): Remove initialization and
2967 finalization of nonzero_vars and nonzero_vars_stack.
2968 (dom_opt_initialize_block): No longer push marker on
2970 (dom_opt_finalize_block): No longer call
2971 restore_nonzero_vars_to_original_value.
2972 (record_equivalences_from_phis): No longer look for
2973 nonzero PHI arguments.
2974 (cprop_into_successor_phis): No longer propagate nonzero
2975 property into PHI arguments. Lose unused argument. Caller
2977 (record_equivalences_from_stmt): No longer record nonzero
2978 values for SSA_NAMEs.
2979 (lookup_avail_expr): No longer use nonzero_vars.
2981 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
2982 for sizetype when sizetype is unsigned.
2984 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
2986 PR rtl-optimization/25603
2987 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
2988 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
2989 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
2990 with new meaning of SETS.
2992 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
2997 * config/linux.opt: New file.
2998 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
2999 LINUX_DYNAMIC_LINKER): Define.
3000 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
3001 * config.gcc (*-*-linux*): Define extra_options.
3002 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
3003 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
3004 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
3005 GLIBC_DYNAMIC_LINKER.
3006 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
3007 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3008 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3009 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3010 * doc/invoke.texi (GNU/Linux Options): New section.
3012 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3014 * config/sparc/sparc.md (setjmp): Rewrite.
3015 (setjmp_32): Delete.
3016 (setjmp_64): Likewise.
3018 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
3020 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
3023 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
3025 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
3028 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
3030 PR rtl-optimization/26296
3031 * Makefile.in (loop-invariant.c): Add except.h dependency.
3032 * loop-invariant.c: Include except.h.
3033 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
3035 2005-02-16 Paul Brook <paul@codesourcery.com>
3037 * reload1.c (emit_reload_insns): Invalidate dead input registers used
3040 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
3042 PR rtl-optimization/25636
3043 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
3044 when deciding whether an insn is an initializing insn.
3046 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
3048 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
3049 (tree_code_size): Ditto.
3050 * tree.h (struct tree_memory_tag): Remove parent_var.
3051 (struct tree_struct_field_tag): New.
3054 (union tree_node): Add sft member.
3055 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
3057 (create_sft): Add size and offset argument, set SFT_OFFSET and
3059 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
3060 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
3061 * tree-flow-inline.h (get_subvar_at): Update for
3062 SFT_OFFSET/SFT_SIZE.
3063 (var_can_have_subvars): Ditto.
3064 (overlap_subvar): Ditto.
3065 * print-tree.c (print_node): Print out interesting things for
3067 * tree-flow.h (struct subvar): Remove offset and size members.
3068 * tree-ssa-operands.c (get_expr_operands): Update for
3069 get_indirect_ref_operands changes.
3070 (get_indirect_ref_operands): Call add_virtual_operand instead of
3071 add_stmt_operand. Only recurse on base var if requested.
3072 (access_can_touch_variable): New function.
3073 (add_stmt_operand): Split virtual operand handling into ...
3074 (add_virtual_operand): Here. Add offset, size, and for_clobber
3075 arguments. Prune alias sets.
3076 (add_call_clobber_ops): Call add_virtual_operand.
3078 2006-02-15 Jakub Jelinek <jakub@redhat.com>
3081 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
3083 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
3084 than TREE_CODE as index into omp_clause_num_ops array.
3086 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
3088 PR rtl-optimization/26184
3089 * modulo-sched.c (generate_reg_moves): Free bitmap vector
3091 * modulo-sched.c (sms_schedule): Free g_arr pointer.
3092 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
3093 must_precede, must_follow and tobe_scheduled.
3096 * opts.c (common_handle_option): Free new_option pointer.
3097 * df-core.c (df_analyze): Free postorder pointer.
3099 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
3101 * Makefile.in: Fix the examples about the use of stamps
3103 2006-02-15 Michael Matz <matz@suse.de>
3107 * stor-layout.c (layout_decl): Zero-width bitfields aren't
3108 influenced by maximum_field_alignment or DECL_PACKED.
3109 (update_alignment_for_field): Ditto.
3110 (place_field): Ditto.
3111 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
3114 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
3116 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
3117 (debug_flow_info): Pass it.
3118 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
3119 * bb-reorder.c (reorder_basic_blocks): Likewise.
3120 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
3121 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
3122 * flow.c (life_analysis, recompute_reg_usage): Likewise.
3123 * gcse.c (gcse_main, bypass_jumps): Likewise.
3124 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
3125 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
3126 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
3127 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
3128 * rtl.h (dump_flow_info): Adjust prototype.
3129 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
3130 * var-tracking.c (variable_tracking_main): Likewise.
3131 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
3132 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
3135 2006-02-15 Marcin Dalecki <martin@dalecki.de>
3137 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
3140 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
3142 PR tree-optimization/26209
3143 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
3144 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
3146 * tree-cfg.c (replace_uses_by): Do not alter cfg.
3148 2006-02-14 Roger Sayle <roger@eyesopen.com>
3151 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
3152 (X,Y) and the corresponding symmetry related transformations.
3153 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
3154 (X,Y) and its symmetry related transformations.
3156 2006-02-14 Roger Sayle <roger@eyesopen.com>
3158 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
3161 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
3163 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
3165 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3168 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
3169 support COMDAT group.
3170 * configure: Regenerate.
3172 2006-02-14 Roger Sayle <roger@eyesopen.com>
3177 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
3179 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
3181 Fix PR tree-optimization/26260
3183 * doc/invoke.texi (max-fields-for-field-sensitive): Document
3185 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
3186 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
3187 * tree-ssa-structalias.c (create_variable_info_for): Use
3188 MAX_FIELDS_FOR_FIELD_SENSITIVE.
3190 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
3192 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
3194 * tree-ssa-loop-niter.c (number_of_iterations_ne,
3195 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
3196 of the ending condition.
3197 * tree-ssa-loop-manip.c: Include params.h.
3198 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
3199 tree_unroll_loop): New functions.
3200 * tree-pass.h (pass_loop_prefetch): Declare.
3201 * loop.c (rest_of_handle_loop_optimize): Test for
3202 -fprefetch-loop-arrays-rtl.
3203 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
3204 * timevar.def (TV_TREE_PREFETCH): New timevar.
3205 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
3206 pass_loop_prefetch): New.
3207 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
3208 (cleanup_tree_cfg_loop): Call scev_reset.
3209 * common.opt (fprefetch-loop-arrays-rtl): Add.
3210 * tree-ssa-loop-prefetch.c: New file.
3211 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
3212 (new_temp_expr_table): Initialize expr_vars.
3213 (free_temp_expr_table): Cleanup expr_vars.
3214 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
3215 expressions from being merged into one.
3216 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
3217 (struct tree_niter_desc): Add control, bound and cmp fields.
3218 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
3220 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
3221 (tree-cfgcleanup.o): Add SCEV_H dependency.
3222 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
3223 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
3225 2006-02-14 Richard Guenther <rguenther@suse.de>
3227 PR tree-optimization/26258
3228 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
3229 in PHI argument processing.
3231 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
3233 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
3234 new expression in the requested machine mode.
3236 2006-02-13 Roger Sayle <roger@eyesopen.com>
3238 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
3239 directly, instead let do_compare_rtx_and_jump handle this for us.
3240 * expr.c (expand_expr_real_1): Likewise.
3241 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
3242 before do_jump_by_parts_greater.
3243 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
3244 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
3246 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3248 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
3250 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
3252 PR rtl-optimization/26235
3253 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
3254 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
3257 2006-02-13 Jeff Law <law@redhat.com>
3259 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
3262 2006-02-13 Jakub Jelinek <jakub@redhat.com>
3265 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
3266 twice if decl is a builtin. When trying again, call get_callee_fndecl
3267 first to verify it is still a builtin.
3269 2006-02-13 Geoffrey Keating <geoffk@apple.com>
3271 * dwarf2out.c (base_type_die): Don't add AT_name here.
3272 (subrange_type_die): Don't add AT_name here.
3273 (modified_type_die): Rearrange code flow. Do add AT_name here.
3275 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
3277 PR rtl-optimization/26247
3278 PR rtl-optimization/26248
3279 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
3281 2006-02-13 Richard Sandiford <richard@codesourcery.com>
3283 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
3284 * config/fixtfdi.c: Likewise.
3285 * config/fixunstfdi.c: Likewise.
3286 * config/floatditf.c: Likewise.
3288 2006-02-13 Roger Sayle <roger@eyesopen.com>
3291 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
3292 into (X,C2) if C1 is a subset of the bits of C2. Transform
3293 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
3295 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
3297 2006-02-13 Josh Conner <jconner@apple.com>
3300 * varasm.c (function_section): Check for section name before
3301 calling select_section on targets that define
3302 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
3303 unlikely_text_section instead of hot_function_section if
3304 first_function_block_is_cold.
3306 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
3309 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
3311 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
3313 PR rtl-optimization/26222
3314 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
3315 after tree->rtl expansion.
3316 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
3317 before passing it to emit_move_insn.
3319 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
3321 * doc/invoke.texi (-Write-strings): Document that it is enabled by
3323 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
3324 Clarify documentation.
3325 * c-common.h (warn_write_strings): Remove.
3326 * c-common.c (warn_write_strings): Likewise.
3327 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
3330 2006-02-12 Roger Sayle <roger@eyesopen.com>
3333 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
3334 (do_jump_parts_zero_rtx): New function renamed from
3335 do_jump_parts_equality_rtx. Made static. Add a mode argument.
3336 (do_jump_parts_equality_rtx): New function split out from
3337 do_jump_parts_equality. Old implementation renamed as above.
3338 Call do_jump_parts_zero_rtx if either operand is zero.
3339 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
3340 do all of the heavy lifting.
3341 (do_compare_rtx_and_jump): Handle multi-word comparisons by
3342 calling either do_jump_by_parts_greater_rtx or
3343 do_jump_by_parts_equality_rtx.
3344 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
3345 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
3346 moved to do_compare_rtx_and_jump, call it directly.
3347 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
3348 mode argument. Call do_compare_rtx_and_jump.
3349 (emit_case_nodes): Update calls to do_jump_if_equal.
3351 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
3353 PR rtl-optimization/26225
3354 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
3356 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
3358 PR rtl-optimization/26232
3359 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
3361 2006-02-11 Jason Merrill <jason@redhat.com>
3364 * tree-inline.c (declare_return_variable): Just don't use the
3365 modify target if it's a gimple complex reg and the return slot
3368 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3370 * doc/contrib.texi: Update my entry.
3372 2006-02-10 Geoffrey Keating <geoffk@apple.com>
3374 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
3376 2006-02-10 Diego Novillo <dnovillo@redhat.com>
3378 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
3381 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
3383 * doc/invoke.texi (-floop-optimize2): Removed.
3384 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
3385 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
3386 Test flag_branch_on_count_reg only if HAVE_doloop_end.
3387 * common.opt (floop-optimize2): Removed.
3388 (fmove-loop-invariants): Enabled by default.
3390 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
3392 * tree-if-conv.c (combine_blocks): Free the result of
3393 get_loop_exit_edges.
3395 2006-02-10 Jeff Law <law@redhat.com>
3397 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
3399 PR tree-optimization/26213
3400 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
3401 loop trying to follow SSA_NAME_VALUE chains.
3403 2006-02-10 Richard Guenther <rguenther@suse.de>
3405 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
3406 deal with structures that end in implicitly variable sized arrays.
3408 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
3410 PR rtl-optimization/24762
3411 * df-scan.c (df_bb_refs_record): Record correct registers defined on
3414 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
3416 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
3417 (struct ivopts_data): Add regs_used field.
3418 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
3419 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
3420 instead of loop_data->regs_used;
3421 (free_loop_data): Do not free aux fields for loops.
3422 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
3423 and tree_ssa_iv_optimize_finalize.
3425 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
3427 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
3429 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
3432 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
3433 computing the effective result type.
3435 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
3438 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
3439 (tree_overlaps_hard_reg_set): Declare.
3440 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
3441 type and signature to match function type expected by walk_tree.
3442 (tree_overlaps_hard_reg_set): New function.
3443 (decl_conflicts_with_clobbers_p): Rename to:
3444 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
3445 Use tree_overlaps_hard_reg_set. Changed caller.
3446 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
3447 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
3448 * cris.c (cris_md_asm_clobbers): Likewise.
3450 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
3452 * reload1.c (emit_input_reload_insns): Delete code that tries to
3453 inherit using find_equiv_reg.
3455 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
3457 * c-common.h (flag_const_strings): Don't declare.
3458 * c-common.c (flag_const_strings): Remove.
3459 * c.opt (fconst_strings): Remove.
3460 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
3461 <OPT_Wwrite_strings>: Don't set flag_const_strings.
3462 (c_common_init_options): Don't set flag_const_strings.
3463 * doc/invoke.texi (-fno-const-strings): Remove documentation.
3465 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
3467 * arm.md (tlobits_cbranch): New pattern.
3468 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
3469 testing a single bit.
3471 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
3474 * tree-ssa-pre.c (create_component_ref_by_pieces):
3475 Handle RETURN_DECL like VAR_DECL.
3477 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
3480 * fold-const.c (fold_indirect_ref_1): Fold
3481 "*(foo *)&complexfoo" to "__real__ complexfoo"
3482 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
3484 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
3486 * tree-flow-inline.h (var_can_have_subvars):
3487 Volatile variables should not have subvariables.
3489 2006-02-09 Diego Novillo <dnovillo@redhat.com>
3492 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
3493 multiplying unsigned values.
3496 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
3498 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
3500 2006-02-08 Jason Merrill <jason@redhat.com>
3503 * tree.def: Elaborate on difference from MODIFY_EXPR.
3504 * doc/c-tree.texi (INIT_EXPR): Likewise.
3505 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
3506 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
3507 (gimplify_target_expr): Likewise.
3508 (gimplify_cond_expr): Remove target handling.
3509 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
3510 (gimplify_expr): Clobber it here.
3511 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
3512 Do return slot optimization if we have an INIT_EXPR.
3515 * tree-inline.c (declare_return_variable): Also clear
3516 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
3519 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
3522 * gimplify.c (gimplify_one_sizepos): Fix typo.
3524 2006-02-08 Jeff Law <law@redhat.com>
3526 PR tree-optimization/21417
3527 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
3528 across a backedge if the control statement at the end of the
3529 block is data dependent on other statements in the same block.
3530 (record_temporary_equivalences_from_stmts): Remove over-conservative
3531 test for threading across backedges.
3533 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
3534 control statement, handle all three special cases in the same
3535 manner as they all have the same desired solution. No longer
3536 special case edge flag updating when the post dominator is
3539 2006-02-08 Roger Sayle <roger@eyesopen.com>
3541 * tree.def (CHAR_TYPE): Remove.
3542 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
3543 * dwarf2out.c (base_type_die, is_base_type): Likewise.
3544 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
3545 (gen_string_type_die): Delete unreachable function.
3547 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
3548 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
3549 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
3550 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
3551 * builtins.c (type_to_class): Likewise.
3552 * fold-const.c (fold_convert, build_range_check,
3553 merge_ranges): Likewise.
3554 * expr.c (count_type_elements): Likewise.
3555 * c-pretty-print.c (pp_c_type_specifier): Likewise.
3556 * stor-layout.c (layout_type): Likewise.
3557 * ipa-type-escape.c (type_to_consider): Likewise.
3558 * gimplify.c (omp_firstprivatize_type_sizes,
3559 gimplify_type_sizes): Likewise.
3560 * explow.c (promote_mode): Likewise.
3561 * tree-sra.c (is_sra_scalar_type): Likewise.
3562 * varasm.c (output_constant): Likewise.
3563 * tree-inline.c (remap_type_1): Likewise.
3564 * convert.c (convert_to_pointer, convert_to_real,
3565 convert_to_integer, convert_to_complex): Likewise.
3567 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
3569 * df-scan.c (df_def_record_1): A set destination may
3570 be a parallel regardless of mode.
3572 2006-02-08 Roger Sayle <roger@eyesopen.com>
3575 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
3576 * config/mips/_tilib.c: Remove.
3577 * config/fixtfdi.c: New libgcc source file.
3578 * config/fixunstfdi.c: New source file.
3579 * config/floatditf.c: New source file.
3580 * config/floatunditf.c: New souce file.
3581 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
3582 files above instead of config/mips/_tilib.c.
3583 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
3585 2006-02-08 Jeff Law <law@redhat.com>
3587 PR tree-optimization/26169
3588 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
3591 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
3593 * df.h (DF_REG_SIZE): Return the length of the initialized
3596 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
3598 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
3599 __muldf3): Return a correctly signed zero.
3601 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
3603 * passes.c (register_one_dump_file): Accept the current properties
3604 instead of pass number. Adjust call to dump_register. Remove
3606 (register_dump_files): Now a wrapper around...
3607 (register_dump_files_1): ... this one. Do not modify the pass
3609 (next_pass_1): Cosmetic fix.
3610 (execute_todo): Keep second parameter only. Use curr_properties
3611 instead of fetching it from the pass structure. Check and set
3613 (execute_one_pass): Handle TODO_set_props. Use curr_properties
3614 instead of fetching it from the pass structure. Fix calls to
3615 execute_todo. Update curr_properties and initialize .vcg RTL dump
3616 after running the pass. Reset last_verified.
3617 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
3619 (FIRST_AUTO_NUMBERED_DUMP): New.
3620 (dump_register): Remove "num" parameter, assign it within the
3622 (get_dump_file_name): Modify template for dumps.
3623 * tree-dump.h (dump_register): Adjust prototype.
3624 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
3625 (PROP_trees): Add PROP_gimple_lomp.
3626 (TODO_set_props): New.
3627 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
3628 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
3629 * cfgexpand.c (pass_expand): Destroy PROP_trees.
3631 2006-02-08 Jakub Jelinek <jakub@redhat.com>
3633 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
3634 (sparc64-*-linux*): Likewise.
3635 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
3636 * config/sparc/t-linux: New file.
3637 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
3638 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
3639 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
3640 -m32 -mlong-double-128.
3642 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
3643 * config/alpha/t-linux: New file.
3644 * config/alpha/libgcc-alpha-ldbl.ver: New file.
3646 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
3647 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
3648 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
3649 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
3650 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
3651 (CPP_ARCH32_SPEC): Remove.
3653 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
3655 PR tree-optimization/26145
3656 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
3659 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3662 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
3663 >= 240000 when generating code for SOM runtime.
3664 (output_indirect_call): Don't use "b,l" instruction for indirect calls
3665 to $$dyncall when generating code for SOM runtime..
3667 2006-02-07 Dirk Mueller <dmueller@suse.com>
3670 * doc/invoke.texi (-Wsequence-point): Update documentation
3671 that -Wsequence-point is implemented for C++ as well.
3673 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
3675 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
3676 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
3677 (LIB_SPEC): Likewise.
3678 * doc/invoke.texi (SPARC options): Document -pthread.
3680 2006-02-07 Geoffrey Keating <geoffk@apple.com>
3682 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
3685 2006-02-07 Roger Sayle <roger@eyesopen.com>
3687 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
3688 Correct comment describing BOOLEAN_TYPE.
3690 2006-02-07 Dirk Mueller <dmueller@suse.com>
3692 * c.opt: C++ frontend supports -Wdiv-by-zero.
3693 * c-opts.c (c_common_handle_option): Remove dead case.
3695 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
3697 * configure.ac (TLS assembler check): Do not enable TLS by
3698 default on SPARC/Solaris before version 10.
3699 * configure: Regenerate.
3701 2006-02-07 David Edelsohn <edelsohn@gnu.org>
3703 * doc/invoke.texi (xl-compat): Document conversion and support
3706 2006-02-07 Jeff Law <law@redhat.com>
3708 * tree-vrp.c (find_conditional_asserts): Update comments.
3709 (simplify_stmt_for_jump_threading): New.
3710 (identify_jump_threads, finalize_jump_threads): New.
3711 (vrp_finalize): Call identify_jump_threads.
3712 (execute_vrp): Call finalize_jump_threads.
3713 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
3714 (vrp_element, vrp_data, vrp_element_p): Remove.
3715 (vrp_hash_elt, vrp_variables_stack): Remove.
3716 (vrp_hash, vrp_eq, record_range): Remove.
3717 (simplify_cond_and_lookup_avail_expr): Remove.
3718 (extract_range_from_cond): Remove.
3719 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
3720 (simplify_stmt_for_jump_threading): New.
3721 (dom_thread_across_edge): New wrapper.
3722 (tree_ssa_dominator_optimize): No longer initialize or
3723 finalize any of the VRP datastructures. Remove iteration
3724 step and simplify as a result of removal of iteration step.
3725 (pass_dominator): Perform a cfg cleanup after DOM.
3726 (dom_opt_finalize_block): Use the new common routines
3727 for threading jumps. Simplify stack management slightly.
3728 No longer need to unwind VRP state.
3729 (record_equivalences_from_incoming_edge): No longer record
3731 (eliminate_redundant_computations): No longer call
3732 simplify_cond_and_lookup_avail_expr.
3733 * tree-flow.h (potentially_threadable_block): Prototype.
3734 (thread_across_edge): Likewise.
3735 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
3736 (tree-ssa-threadedge.o): Add dependencies.
3737 * tree-ssa-threadedge.c: New file.
3738 * passes.c (init_optimization_passes): Merge PHIs before
3739 calling VRP. Run VRP again late in the SSA optimization pipeline.
3741 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
3743 * df-core.c (df_set_blocks): Do not dereference function pointers.
3744 (df_finish1): Likewise.
3745 (df_hybrid_search_forward): Likewise.
3746 (df_hybrid_search_backward): Likewise.
3747 (df_iterative_dataflow): Likewise.
3748 (df_analyze_problem): Likewise.
3749 (df_compact_blocks): Likewise.
3750 (df_dump): Likewise.
3751 * df-scan.c (df_rescan_blocks): Likewise.
3752 (df_record_entry_block_defs): Likewise.
3754 * genconditions.c (write_conditions): Guard the definition of
3755 'insn_conditions' with the check on GCC version.
3756 (write_writer): Guard the traversal 'insn_conditions' with
3757 the check on GCC version.
3759 2006-02-07 Richard Guenther <rguenther@suse.de>
3763 2006-01-30 Richard Guenther <rguenther@suse.de>
3765 * gimplify.c (gimplify_target_expr): Handle easy cases
3766 without creating a temporary.
3768 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
3770 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
3771 use of float in probability computations. Use edge probabilities
3772 in place of statically computed probabilities.
3773 (min_spec_prob): New static variable.
3774 (schedule_insns): Initialize it.
3775 (GET_SRC_PROB): Removed.
3776 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
3778 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
3781 * config/ia64/unwind-ia64.c: Revert last change.
3782 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
3783 (INCOMING_FRAME_SP_OFFSET): Define.
3785 2006-02-06 Roger Sayle <roger@eyesopen.com>
3787 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
3789 2006-02-07 Ben Elliston <bje@au.ibm.com>
3791 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
3792 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
3793 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
3794 (ix86_return_in_memory): Handle TDmode.
3795 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
3796 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
3798 2006-02-06 Richard Sandiford <richard@codesourcery.com>
3800 * reorg.c (dbr_schedule): Use dump_file instead of file.
3802 2006-02-06 Steve Ellcey <sje@cup.hp.com>
3805 * config/ia64/predicates.md (extr_len_operand): New predicate.
3806 * config/ia64/ia64.md (extv): Tighten constraints.
3808 (*tbit_and_2): Ditto.
3809 (*tbit_and_3): Ditto.
3810 (*tbit_or_2): Ditto.
3811 (*tbit_or_3): Ditto.
3815 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
3818 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
3820 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
3822 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
3823 loop_optimizer_init and loop_optimizer_finalize
3824 * tree-ssa-sink.c (execute_sink_code): Ditto.
3825 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3826 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
3827 tree_ssa_loop_done): Ditto.
3828 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
3829 * sched-ebb.c: Include output.h.
3830 (schedule_ebbs): Do not use dump argument.
3831 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
3832 * loop.c (loop_dump_stream): Removed.
3833 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
3835 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
3836 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
3837 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
3838 loop_iterations, strength_reduce, record_biv, record_giv,
3839 final_giv_value, check_final_value, check_ext_dependent_givs,
3840 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
3841 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
3842 dump_file instead of loop_dump_stream.
3843 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
3845 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
3847 * flow.c (life_analysis, rest_of_handle_life): Ditto.
3848 * haifa-sched.c: Include output.h
3849 (schedule_insns, sched_init): Do not use dump argument.
3850 * mode-switching.c (optimize_mode_switching): Ditto.
3851 * modulo-sched.c (stats_file): Removed.
3852 (print_node_sched_params): Do not call argument dump_file.
3853 (sms_schedule_by_order, loop_canon_p, sms_schedule,
3854 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
3856 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
3858 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
3859 rtl_loop_init, rtl_loop_done): Ditto.
3860 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
3861 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
3863 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
3864 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
3865 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
3866 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
3867 * emit-rtl.c (renumber_insns): Ditto.
3868 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
3869 expand_gimple_basic_block, tree_expand_cfg): Ditto.
3870 * regclass.c (regclass): Ditto.
3871 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
3872 remove_ssa_form, rewrite_out_of_ssa): Ditto.
3873 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
3874 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
3876 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
3877 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
3879 * gcse.c (gcse_file, debug_stderr): Removed.
3880 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
3881 rest_of_handle_gcse): Do not use dump argument.
3882 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
3883 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
3884 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
3885 compute_code_hoist_vbeinout, compute_code_hoist_data,
3886 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
3887 compute_store_table, build_store_vectors, insert_insn_start_bb,
3888 insert_store, remove_reachable_equiv_notes, replace_store_insn,
3889 store_motion): Use dump_file instead of gcse_file.
3890 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
3891 * profile.c (profile_dump_file): Removed.
3892 (branch_prob): Use dump_file instead of profile_dump_file.
3893 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
3895 * tree-ssa-copy.c (dump_copy_of): Ditto.
3896 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
3897 dump file to life_analysis.
3898 * bt-load.c (branch_target_load_optimize): Ditto.
3899 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
3901 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
3902 regclass, dbr_schedule): Declaration changed.
3903 * sched-int.h (sched_init): Declaration changed.
3904 * tree-profile.c (tree_profile_dump_file): Removed.
3905 (tree_profile_hooks): Removed profile_dump_file hook.
3906 * rtl-profile (rtl_profile_dump_file): Removed.
3907 (rtl_profile_hooks): emoved profile_dump_file hook.
3908 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
3910 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
3911 * tree-cfg.c (build_tree_cfg): Ditto.
3912 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
3913 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
3914 Declaration changed.
3915 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
3916 life_analysis and schedule_insns.
3917 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
3919 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
3921 * config/mips/mips.c (mips_reorg): Ditto.
3922 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
3925 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
3927 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
3928 (s390_mangle_fundamental_type): New.
3929 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
3932 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
3933 (alpha_mangle_fundamental_type): New.
3934 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
3937 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
3939 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
3941 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
3942 (sparc_mangle_fundamental_type): New.
3944 2006-02-06 Jakub Jelinek <jakub@redhat.com>
3946 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
3947 (s390x-*-linux*): Likewise.
3948 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
3949 * config/s390/t-linux: New file.
3951 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
3953 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
3954 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
3956 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
3958 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
3959 (ANTIC_SAFE_LOADS): New macro.
3960 (find_or_generate_expression): Add prototype.
3961 (set_contains_value): Allow null set for sake of not always having
3962 to allocate ANTIC_SAFE_LOADS.
3963 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
3964 Allow COMPONENT_REF too.
3965 (valid_in_set): Allow COMPONENT_REF.
3966 Check ANTIC_SAFE_LOADS too.
3967 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
3968 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
3970 (can_PRE_operation): Add COMPONENT_REF.
3971 (create_component_ref_by_pieces): New function.
3972 (create_expression_by_pieces): Use create_component_ref_by_pieces.
3973 (insert_aux): Move AGGREGATE_TYPE_P check here.
3974 (compute_avail): Set bb local stmt uids.
3975 (pass_pre): Use TODO_update_ssa_only_virtuals.
3977 2006-02-06 Ben Elliston <bje@au.ibm.com>
3979 * configure.ac: Unconditionally disable decimal float by default.
3980 * configure: Regenerate.
3982 2006-02-06 Ben Elliston <bje@au.ibm.com>
3984 * read-rtl.c (read_name): Terminate reading on EOF.
3986 2006-02-06 Ben Elliston <bje@au.ibm.com>
3988 * dfp.c (decimal_real_arithmetic): Change second argument type
3989 from int to enum tree_code. Do not always return true, but now
3990 return result of any call to decimal_do helper functions.
3991 * dfp.h (decimal_real_arithmetic): Update prototype.
3993 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
3995 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
3997 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
4000 * tree-cfg.c (cleanup_dead_labels): Also don't remove
4003 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
4005 * tree-vrp.c (cfg_loops): Removed.
4006 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
4007 Use current_loops instead of cfg_loops. Pass flags to
4008 loop_optimizer_init.
4009 * cfgloopmanip.c (fix_loop_structure): Update only available
4011 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
4012 loop_optimizer_init.
4013 * modulo-sched.c (build_loops_structure): Removed.
4014 (sms_schedule): Use loop_optimizer_init.
4015 * loop-init.c (loop_optimizer_init): Use flags to determine
4016 which properties of loops to prepare.
4017 (rtl_loop_init): Pass flags to loop_optimizer_init.
4018 * tree-ssa-sink.c (execute_sink_code): Ditto.
4019 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
4020 * tree-ssa-pre.c (init_pre): Ditto.
4021 * cfgloop.h (LOOPS_NORMAL): New.
4022 (loop_optimizer_init): Declaration changed.
4024 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4026 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
4027 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
4029 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
4031 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
4033 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
4034 * pa/t-pa64: Delete quadlib.c rule.
4035 * pa/x-ada: Revert last change.
4036 * pa/t-pa: Revert last change. Delete quadlib.c rule.
4038 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
4040 PR rtl-optimization/26087
4041 * rtlanal.c (canonicalize_condition): Do not cross basic block
4044 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
4047 * config/ia64/ia64.c: Include debug.h.
4048 (MAX_ARTIFICIAL_LABEL_BYTES): New.
4049 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
4050 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
4051 (process_epilogue, process_set, process_for_unwind_directive):
4052 Output unwind info only if requested. Add CFA info if requested.
4053 Add new arguments as needed. Adjust callers.
4054 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
4056 (DWARF2_FRAME_INFO): Define to zero.
4057 * config/ia64/unwind-ia64.c: Remove code that compensated for
4058 the CFA offset error fixed above.
4059 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
4060 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
4061 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
4062 -funwind-tables and -fexceptions to enable frame info.
4063 (dwarf2out_frame_init): Define initial CFA even if
4064 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
4065 DWARF2_UNWIND_INFO is nonzero, not just defined.
4066 (dwarf2out_frame_finish): Output non-EH call frame info only
4067 if DWARF2_FRAME_INFO is nonzero.
4068 (convert_cfa_to_loc_list,
4069 compute_frame_pointer_to_cfa_displacement): Define even if
4070 unwind info is not supported.
4071 (gen_subprogram_die): Use the above unconditionally. Remove
4072 legacy alternate code.
4073 * toplev.c (compile_file): Compile in call to
4074 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
4075 (lang_dependent_init): Ditto for dwarf2out_frame_init.
4077 2006-02-04 David Edelsohn <edelsohn@gnu.org>
4078 Jakub Jelinek <jakub@redhat.com>
4080 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
4081 IBM extended float format long double as "g" on powerpc*-linux.
4083 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4086 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
4087 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
4089 2006-02-03 Jason Merrill <jason@redhat.com>
4092 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
4095 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
4096 on the return slot if it's an NRV.
4098 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
4100 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
4101 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
4102 rewrite_use): Do not handle USE_OUTER.
4103 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
4104 add_iv_outer_candidates, may_replace_final_value,
4105 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
4106 (find_interesting_uses_op): Functionality of
4107 find_interesting_uses_outer_or_nonlin moved here.
4108 (find_interesting_uses_outside): Use find_interesting_uses_op.
4110 2006-02-03 Alan Modra <amodra@bigpond.net.au>
4113 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
4115 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
4116 Ulrich Weigand <uweigand@de.ibm.com>
4119 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
4120 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
4121 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
4122 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
4124 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
4125 (s390_rtx_costs): Use the new fields to calculate rtx costs.
4126 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
4127 Define secondary reloads for TFmode moves.
4128 (constant_modes): Add TFmode.
4129 (NR_C_MODES): Set to 8.
4130 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
4132 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
4133 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
4134 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
4135 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
4136 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
4137 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
4138 (FPR mode macro): Add TFmode.
4139 (DSF mode macro): New.
4140 (<de>, <dee> mode attributes): Removed.
4141 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
4142 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
4143 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
4144 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
4145 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
4146 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
4147 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
4148 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
4149 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
4150 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
4151 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
4152 "*negabs<mode>2", "sqrt<mode>2"):
4153 Changed <de> to <xde>. R constraint replaced by <Rf>.
4154 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
4156 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
4157 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
4158 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
4160 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
4161 "extenddftf2", "extendsftf2"): New expanders.
4162 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
4163 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
4164 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
4165 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
4167 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
4168 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
4169 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
4170 __floatditf): Add a GCC_4.1.0 symbol version tag.
4171 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
4174 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
4177 * config/i386/i386.c (ix86_function_ok_for_sibcall):
4178 Use targetm.binds_local_p instead of TREE_PUBLIC.
4180 2006-02-02 Roger Sayle <roger@eyesopen.com>
4182 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
4183 on INTEGER_TYPEs to indicate that it denotes a character type.
4184 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
4185 signed_char_type_node, unsigned_char_type_node and char_type_node.
4186 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
4187 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
4188 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
4190 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
4191 Daniel Berlin <dberlin@dberlin.org>
4193 * tree-tailcall.c (arg_needs_copy_p): New function.
4194 (eliminate_tail_call): Use arg_needs_copy_p.
4195 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
4196 (add_virtual_phis): New function.
4198 2006-02-02 Jakub Jelinek <jakub@redhat.com>
4200 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
4201 #ignore instead of #scratch for %g7 .register directive.
4203 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
4205 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
4208 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
4210 * flow.c (calculate_global_regs_live): Assert that there aren't any
4213 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
4215 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
4217 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
4218 bsi_after_labels iterator.
4219 * tree-if-conv.c (find_phi_replacement_condition,
4220 replace_phi_with_cond_modify_expr): Likewise.
4221 * tree-scalar-evolution.c (scev_const_prop): Likewise.
4222 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
4224 2006-02-02 Diego Novillo <dnovillo@redhat.com>
4226 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
4228 2006-02-02 Diego Novillo <dnovillo@redhat.com>
4231 * tree-cfg.c (move_block_to_fn): Clear out the basic block
4232 array after growing it.
4234 2006-02-01 Steve Ellcey <sje@cup.hp.com>
4237 * fold-const.c (fold_checksum_tree): Change type of buf.
4239 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
4241 * reload.c (push_secondary_reload): Initialize t_icode.
4243 2006-02-01 Jakub Jelinek <jakub@redhat.com>
4245 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
4246 -msoft-float -mlong-double-128 only issue a warning, but don't
4247 swich to DFmode long double.
4249 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
4251 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
4252 has a constant equivalent, iterate over equivalents for arg0,
4253 calling simplify_relational_operation and if there's a result
4254 cheaper than X, apply fold_rtx and return the result.
4256 2006-02-01 Jan Hubicka <jh@suse.cz>
4258 * opts.c (no_unit_at_a_time_default): New global variable.
4259 (decode_options): Use it.
4260 * opts.h (no_unit_at_a_time_default): Declare.
4262 2006-02-01 Paul Brook <paul@codesourcery.com>
4264 * function.c (assign_parm_setup_reg): Use function argument promotion
4266 * expr.c (expand_expr_real_1): Use function argument promotion rules
4269 2006-02-01 Steve Ellcey <sje@cup.hp.com>
4271 * gcc.c (process_command): Change j to 'unsigned int'.
4273 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
4276 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
4277 Use the corrected index for the character
4278 out of the string constant.
4280 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
4282 * mode-switching.c (optimize_mode_switching): Fix size
4283 allocated for bb_info[n_entities].
4285 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
4287 * gcc.c (main): Correct type that is allocated for
4288 explicit_link_files.
4290 2006-01-31 Jakub Jelinek <jakub@redhat.com>
4292 * config/s390/s390.c (init_alignment_context): Set
4293 ALIAS_SET_MEMORY_BARRIER on the MEM.
4294 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
4296 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
4299 * loop-unroll.c (unroll_loop_runtime_iterations): Free
4301 * tree-ssa-live.c (type_var_init): Allocate bitmap after
4304 2006-01-31 Marcin Dalecki <martin@dalecki.de>
4306 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
4307 * regrename.c: Ditto.
4308 * tree-ssa-loop-im.c: Ditto.
4309 * tree-dump.c: Ditto.
4310 * tree-complex.c: Ditto.
4311 * genrecog.c: Ditto.
4312 * tree-ssa-threadupdate.c: Ditto.
4314 * java/class.c: Ditto.
4315 * java/jcf-parse.c: Ditto.
4316 * java/resource.c: Ditto.
4317 * java/except.c: Ditto.
4318 * java/jvspec.c: Ditto.
4319 * java/jcf-write.c: Ditto.
4320 * java/jcf-path.c: Ditto.
4321 * java/gjavah.c: Ditto.
4322 * java/zextract.c: Ditto.
4323 * java/jcf-io.c: Ditto.
4324 * java/jcf.h: Ditto.
4325 * java/buffer.c: Ditto.
4326 * java/lang.c: Ditto.
4327 * java/parse-scan.y: Ditto.
4328 * java/lex.c: Ditto.
4329 * java/lex.h: Ditto.
4330 * cfgloopmanip.c: Ditto.
4331 * postreload-gcse.c: Ditto.
4332 * tree-ssa-loop-manip.c: Ditto.
4333 * postreload.c: Ditto.
4334 * tree-ssa-loop-ch.c: Ditto.
4338 * diagnostic.c: Ditto.
4340 * genoutput.c: Ditto.
4342 * cfghooks.c: Ditto.
4343 * cfgloopanal.c: Ditto.
4344 * objc/objc-act.c: Ditto.
4346 * genextract.c: Ditto.
4347 * genautomata.c: Ditto.
4348 * pretty-print.c: Ditto.
4350 * cgraphunit.c: Ditto.
4353 * haifa-sched.c: Ditto.
4354 * dominance.c: Ditto.
4356 * tree-ssa-loop-ivopts.c: Ditto.
4358 * mode-switching.c: Ditto.
4359 * modulo-sched.c: Ditto.
4361 * ipa-pure-const.c: Ditto.
4363 * fix-header.c: Ditto.
4365 * tree-stdarg.c: Ditto.
4366 * ipa-utils.c: Ditto.
4367 * loop-init.c: Ditto.
4368 * ipa-inline.c: Ditto.
4371 * alloc-pool.c: Ditto.
4372 * dwarf2out.c: Ditto.
4374 * genattrtab.c: Ditto.
4375 * tree-ssa-loop-ivcanon.c: Ditto.
4379 * fortran/gfortranspec.c: Ditto.
4381 * local-alloc.c: Ditto.
4382 * langhooks.c: Ditto.
4383 * function.c: Ditto.
4384 * tree-vectorizer.c: Ditto.
4386 * ipa-type-escape.c: Ditto.
4388 * tree-if-conv.c: Ditto.
4391 * tree-data-ref.c: Ditto.
4392 * loop-unroll.c: Ditto.
4393 * treelang/treetree.c: Ditto.
4396 * ggc-common.c: Ditto.
4398 * coverage.c: Ditto.
4400 * tree-cfgcleanup.c: Ditto.
4401 * tree-ssa-pre.c: Ditto.
4402 * cfgcleanup.c: Ditto.
4403 * loop-invariant.c: Ditto.
4405 * ipa-prop.c: Ditto.
4406 * print-tree.c: Ditto.
4407 * conflict.c: Ditto.
4408 * ggc-page.c: Ditto.
4409 * sched-deps.c: Ditto.
4410 * regclass.c: Ditto.
4411 * tree-object-size.c: Ditto.
4413 * bb-reorder.c: Ditto.
4414 * resource.c: Ditto.
4415 * var-tracking.c: Ditto.
4417 * df-problems.c: Ditto.
4418 * reg-stack.c: Ditto.
4421 * sched-rgn.c: Ditto.
4422 * tree-ssa-structalias.c: Ditto.
4423 * tree-ssa-reassoc.c: Ditto.
4424 * config/darwin-c.c: Ditto.
4425 * config/darwin.c: Ditto.
4426 * config/arm/arm.c: Ditto.
4428 * collect2.c: Ditto.
4431 2006-01-31 Nicolas Pitre <nico@cam.org>
4433 * arm.md (smaxsi3): Make aware of smax_m1.
4436 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
4438 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
4440 2006-01-31 Richard Guenther <rguenther@suse.de>
4442 * doc/invoke.texi (-msselibm): Document.
4443 * target.h (expand_library_builtin): New target hook.
4444 * builtins.c (expand_builtin): Use expand_library_builtin.
4445 (default_expand_library_builtin): New function.
4446 * gcc.c (LINK_GCC_MATH_SPEC): Define.
4447 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
4448 (link_gcc_math_spec): Declare.
4449 (static_specs): Add link_gcc_math_spec.
4450 * expr.h (default_expand_library_builtin): Declare.
4451 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4452 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
4453 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
4454 * config/i386/i386.opt (msselibm): New target option.
4455 * config/i386/i386.c (ix86_builtin_function_variants): New array.
4456 (ix86_init_sse_abi_builtins): New function.
4457 (ix86_expand_library_builtin): Likewise.
4458 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4459 (override_options): Handle error conditions wrt -msselibm.
4460 (ix86_builtins): Add function codes for SSE2 ABI builtins.
4461 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
4462 * doc/extend.texi (__builtin_sse2_*): Document new target specific
4465 2006-01-31 Richard Guenther <rguenther@suse.de>
4466 Paolo Bonzini <bonzini@gnu.org>
4468 * doc/install.texi (--disable-libgcc-math): Document.
4470 2006-01-30 Marcin Dalecki <martin@dalecki.de>
4472 * expr.h (expand_normal): new inline function.
4473 * builtins.c: use it, use EXPAND_NORMAL explicitely.
4475 * dwarf2out.c: use it.
4480 * config/sparc/sparc.c: use it.
4481 * config/i386/i386.c: use it.
4482 * config/rs6000/rs6000.c: use it.
4483 * config/arm/arm.c: use it.
4484 * config/mips/mips.c: use it.
4485 * stmt.c: use it, use EXPAND_NORMAL explicitely.
4487 2006-01-30 Roger Sayle <roger@eyesopen.com>
4489 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
4490 argv to the appropriate type.
4492 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
4494 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
4497 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
4500 * config/s390/s390.c (struct machine_function): New flag
4501 decomposed_literal_pool_addresses_ok_p.
4502 (s390_reorg): Set it before final stage of literal pool transforms.
4503 (s390_decompose_address): Only accept displacements of the form
4504 (minus (label_ref ...) (label_ref ...)) if that flag is set.
4506 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
4508 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
4509 the comparison routine return.
4511 2006-01-30 Michael Matz <matz@suse.de>
4513 * global.c (find_reg): Only evict for global regs.
4514 Take n_refs into account and dump more info.
4516 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
4519 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
4520 (pragma_trap, pragma_nosave_low_regs): Likewise.
4521 (current_function_anonymous_args): Likewise.
4522 (sh_deferred_function_attributes): New variable.
4523 (sh_deferred_function_attributes_tail): Likewise.
4524 (print_operand): For '@', look up trap_exit attribute.
4525 (calc_live_regs): Look up trapa_handler attribute. For trapa
4526 handlers, save/restore fpscr, but don't do any other
4527 interrupt-specific saves.
4528 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
4529 Fix check for partially saved registers to check for SHmedia.
4530 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
4531 (sh_output_function_epilogue): Don't clear any of the removed
4533 (sh_insert_attributes): Don't check pragma_interrupt.
4534 Insert deferred attributes. Check that interrupt attribute is
4535 present for other attributes that require its presence.
4536 (sh_attribute_table): Add new attributes trapa_handler and
4538 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
4539 Don't check for pragma_interrupt. Don't store argument.
4540 * sh.h (pragma_interrupt, sp_switch): Don't declare.
4541 (sh_deferred_function_attributes): Declare.
4542 (sh_deferred_function_attributes_tail): Likewise.
4543 * sh.md (sp_switch_1): Add operand. Change generator caller.
4544 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
4545 (*return_i): Don't use when trap_exit attribute is in effect.
4546 (*return_trapa): New insn pattern.
4548 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
4549 setting c_target_objs and cxx_target_objs.
4550 * t-sh: Add rule for sh-c.o.
4552 2006-01-30 Richard Guenther <rguenther@suse.de>
4555 * gimplify.c (gimplify_target_expr): Handle easy cases
4556 without creating a temporary.
4558 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
4560 * vec.h (safe_grow): Remove duplicated line.
4562 2006-01-29 Diego Novillo <dnovillo@redhat.com>
4565 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
4566 (expand_omp): ... here.
4567 (expand_omp_parallel): Only remove barriers for combined
4568 parallel+workshare constructs.
4570 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
4574 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
4575 * tree.c (build_qualified_type): Chain the new type to the original
4576 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
4577 a POINTER_TYPE or a REFERENCE_TYPE respectively.
4578 (build_pointer_type_for_mode): Only return unqualified types.
4579 (build_reference_type_for_mode): Likewise.
4581 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
4583 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
4584 * Makefile.in (CXX_COMPAT_WARN): Define.
4585 * configure: Regenerate.
4587 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
4590 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
4593 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
4595 * toplev.c: Fix thinko.
4597 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
4598 Marcin Dalecki <martin@dalecki.de>
4600 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
4601 (push_srcloc): Use XNEW.
4602 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
4604 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
4606 * df-core.c (df_set_blocks): Deleted all variable.
4608 2006-01-28 Ian Lance Taylor <ian@airs.com>
4610 * cgraphunit.c (cgraph_assemble_pending_functions): Call
4611 cgraph_output_pending_asms.
4613 2006-01-28 Zack Weinberg <zackw@panix.com>
4615 * c.opt: Add -W(no-)overlength-strings.
4616 * doc/invoke.texi: Document it.
4617 * c-opts.c (c_common_handle_option): -pedantic implies
4618 -Woverlength-strings, if not explicitly disabled already.
4619 (c_common_post_options): -Woverlength-strings defaults to off, and
4620 is always off for C++.
4621 * c-common.c (fix_string_type): Issue warning about strings longer
4622 than is portable only if warn_overlength_strings. Rearrange code
4623 a little for clarity.
4624 * configure.in: Check for -Wno-overlength-strings as well before
4625 enabling -pedantic in stage 1.
4626 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
4627 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
4629 * genconditions.c (write_header, write_one_condition)
4630 (write_conditions, write_writer): Consolidate very long strings
4631 that were broken up to fit in C89 portable limit. Don't use
4632 printf when fputs will do.
4634 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
4636 * combine.c (simplify_comparison <AND>): Check
4637 TRULY_NOOP_TRUNCATION before start using a subreg.
4639 * config/mips/mips.md (*branch_zero<mode>,
4640 *branch_zero<mode>_inverted, *branch_equality<mode>,
4641 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
4642 Remove mode check from comparisons.
4644 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
4646 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
4648 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
4650 * expmed.c (const_mult_add_overflow_p): Remove.
4651 * expr.h: Remove the prototype for const_mult_add_overflow_p.
4653 * recog.c (validate_replace_rtx_subexp): Remove.
4654 * recog.h: Remove the prototype for
4655 validate_replace_rtx_subexp.
4657 * integrate.h: Remove the prototype for
4658 copy_decl_for_inlining.
4659 * rtl.h: Remove the prototype for mark_constant_function.
4660 * tree-vectorizer.h: Remove the prototype for
4661 vect_strip_conversion.
4663 * modulo-sched.c (create_partial_schedule,
4664 free_partial_schedule, reset_partial_schedule): Make them
4667 * hooks.c (hook_bool_rtx_int_false): Remove.
4668 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
4670 2006-01-28 David Edelsohn <edelsohn@gnu.org>
4672 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
4673 and -mlong-double-128 are incompatible.
4674 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
4675 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
4676 (TARGET_LIBGCC2_CFLAGS): Define.
4677 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
4678 (TARGET_LIBGCC2_CFLAGS): Same.
4679 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
4681 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
4684 * c-typeck.c (build_binary_op): Perform implicit casts of
4685 operands before shortening them.
4687 * cfgloopmanip.c (split_loop_bb): Remove.
4688 * cfgloop.h: Remove the prototype for split_loop_bb.
4690 * cfgloop.c (flow_loop_outside_edge_p): Remove.
4691 * cfgloop.h: Remove the prototype for
4692 flow_loop_outside_edge_p.
4694 * emit-rtl.c (init_virtual_regs): Make it static.
4695 * function.h: Remove the prototype for init_virtual_regs.
4697 * recog.c (peephole2_optimize): Make it static.
4698 * recog.h: Remove the prototype for peephole2_optimize.
4700 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
4702 * df-scan.c (df_record_entry_block_defs): Check if
4703 INCOMING_RETURN_ADDR_RTX is defined.
4705 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
4706 Kenneth Zadeck <zadeck@naturalbridge.com>
4708 PR rtl-optimization/24762
4709 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
4710 * targhooks.c (hook_void_bitmap): New hook prototype.
4711 * targhoohs.h (hook_void_bitmap): Ditto.
4712 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
4713 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
4714 * target.h (live_on_entry): New function pointer.
4715 * df-scan.c (df_all_hard_regs): Removed.
4716 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
4717 (df_scan_free_internal): Added df->entry_block_defs.
4718 (df_scan_alloc): Ditto.
4719 (df_scan_dump): Ditto.
4720 (df_uses_record): Plumbed flag field properly thru calls.
4721 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
4722 This part fixes PR24762.
4723 (df_bb_refs_record): Added code to make the frame and arg
4724 pointers live in EH blocks.
4725 (df_refs_record): Added call to df_record_entry_block_defs.
4726 (df_record_entry_block_defs): New function.
4727 * df-core.c: Added comments to describe new artifical defs.
4728 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
4729 (entry_block_defs): New field in struct df.
4730 (df_all_hard_regs): Deleted.
4731 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
4732 * df-problems.c (df_ru_bb_local_compute_process_def):
4733 Added code to handle artifical defs in the entry to a function.
4734 (df_ru_bb_local_compute): Ditto.
4735 (df_rd_bb_local_compute_process_def): Ditto.
4736 (df_rd_bb_local_compute): Ditto.
4737 (df_lr_bb_local_compute): Ditto.
4738 (df_ur_bb_local_compute): Ditto.
4739 (df_urec_bb_local_compute): Ditto.
4740 (df_chain_create_bb): Ditto.
4741 (df_ur_local_finalize): Removed entry.
4742 (df_urec_init): Ditto.
4743 (df_urec_local_finalize): Ditto.
4744 (df_ri_bb_compute): Added detection of last use of pseudos.
4745 * Makefile.in (df-scan.o): Updated dependencies.
4746 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
4747 * config/mips/mips.c (mips_set_live_on_entry): Added.
4748 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
4750 * dce.c (marked_insn_p): Added code to handle artifical defs.
4752 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
4754 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
4756 (_mm_cvtsi128_si64): Likewise.
4757 (_mm_cvtsd_si64): Likewise.
4758 (_mm_cvttsd_si64): Likewise.
4759 (_mm_cvtsi64_sd): Likewise.
4760 (_mm_cvtsi64_si128): Likewise.
4761 * config/i386/mmintrin.h (_m_from_int64): Likewise.
4762 (_mm_cvtsi64_m64): Likewise.
4763 (_m_to_int64): Likewise.
4764 (_mm_cvtm64_si64): Likewise.
4765 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
4766 (_mm_cvttss_si64): Likewise.
4767 (_mm_cvtsi64_ss): Likewise.
4768 (_mm_cvtss_f32): Likewise.
4770 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
4772 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
4773 for pragma redefine_extname.
4775 2006-01-27 Jakub Jelinek <jakub@redhat.com>
4778 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
4779 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
4780 -mno-minimal-toc to previous content.
4781 (bispecs): Remove goal.
4782 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
4783 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
4784 compatibility aliases on powerpc-*-*gnu*.
4785 * config/rs6000/libgcc-ppc-glibc.ver: New file.
4786 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
4787 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
4788 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
4789 (ldblspecs): New goal.
4790 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
4791 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
4793 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
4794 L_sf_to_tf or L_df_to_tf is defined.
4796 2006-01-27 David Edelsohn <edelsohn@gnu.org>
4797 Alan Modra <amodra@bigpond.net.au>
4800 * config/rs6000/linux.h (POWERPC_LINUX): Define.
4801 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
4802 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
4803 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
4804 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
4805 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
4806 (rs6000_override_options): Initialize rs6000_ieeequad.
4807 Initialize TFmode format to ibm_extended_format if not
4809 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
4811 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
4812 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
4813 (function_arg_advance): IBM long double passed in two FPRs, not
4815 (function_arg): IBM long double passed in FPRs.
4816 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
4817 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
4818 Only multireg GPR aligned.
4819 (rs6000_init_libfuncs): Enable IBM long double functions if not
4821 (rs6000_generate_compare): Use IBM long double compare if not
4823 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
4824 (TARGET_IEEEQUAD): Define.
4825 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
4826 not TARGET_IEEEQUAD.
4827 * config/rs6000/rs6000.md: Enable TFmode patterns if
4829 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
4830 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
4831 and -mlong-double-128 are incompatible.
4832 * doc/invoke.texi (-mabi): Collect options together. Add
4833 ibmlongdouble and ieeelongdouble.
4835 2006-01-27 Richard Sandiford <richard@codesourcery.com>
4837 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
4839 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
4840 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
4841 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
4842 * rtl.h (rtunion_def): Remove rt_ptr.
4844 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
4845 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
4846 * config/i386/winnt.c (i386_pe_mark_dllexport)
4847 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
4849 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
4851 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
4853 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
4857 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
4858 pthread_key_delete. From John David Anglin. gthrw-ify
4859 pthread_getunique_np only if it it's not a macro. Delete
4861 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
4862 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
4863 __gthread_objc_condition_signal, __gthread_key_delete): Add
4864 "__attribute__ ((__unused__))" to unused arguments.
4865 (__gthread_recursive_mutex_init_function): Add missing return.
4866 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
4867 gthr-posix95.h: Use macro-based approach for name redirection
4868 on targets missing weakref.
4870 2006-01-26 Zack Weinberg <zackw@panix.com>
4872 * genconditions.c (write_header): In generated code, #ifdef out
4873 all includes and fake declarations, except includes of bconfig.h
4874 and system.h, unless GCC_VERSION >= 3001. Do not include
4875 gensupport.h in any case.
4876 (write_conditions): Generate a definition of struct c_test. Add
4877 a comment to the generated #endif.
4878 (write_one_condition): Escape backslashes in string too.
4879 (write_writer): Generated code must escape backslashes and quote
4880 marks (but not newlines) in the strings it writes.
4881 * Makefile.in (build/gencondmd.o): Update dependencies.
4883 2006-01-26 Steve Ellcey <sje@cup.hp.com>
4886 * Makefile.in (insn-automata.o): Add header file dependencies.
4887 * genautomata.c: Add includes.
4889 2006-01-26 Steve Ellcey <sje@cup.hp.com>
4892 * Makefile.in (insn-automata.o): Add -Wno-error flag.
4894 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
4896 * configure.ac: Expect target tools paths to be passed from the toplevel
4897 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
4899 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
4901 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
4904 * c.opt (Wpointer-sign): Init to -1.
4905 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
4906 OPT_pedantic, to 0 otherwise.
4907 * doc/invoke.texi: Update.
4909 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
4911 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
4912 constants provided by 80387 instructions in the destination mode.
4914 2006-01-26 Richard Guenther <rguenther@suse.de>
4915 Andrew Pinski <pinskia@physics.uc.edu>
4918 partial PR tree-opt/17064
4919 * tree-ssa-structalias.c (intra_create_variable_infos):
4920 Create heap variables for incoming parameters if
4921 flag_argument_noalias > 1.
4922 (find_what_p_points_to): Look through default defs of
4925 2006-01-26 Jeff Law <law@redhat.com>
4928 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
4929 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
4930 within the VR_RANGE, use the VR_RANGE as the result, not the
4932 (adjust_range_with_scev): Reject ranges from SCEV which are out of
4933 bounds for the type.
4935 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
4937 * tree-ssa-alias.c (maybe_create_global_var): Change
4938 subvar walking to an assertion that we don't have subvar'd variables.
4940 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
4943 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
4944 Use a new variable, inner. PARM_DECLs are always non-weak.
4946 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
4948 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
4951 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
4953 * config/mips/mips.md (*clear_upper32): New combiner pattern.
4955 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
4957 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
4958 (smax_insn, smin_insn, smax_0, smin_0): New.
4960 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
4963 * config/cris/cris.c (cris_order_for_addsi3): New function.
4964 * config/cris/cris-protos.h: Prototype it.
4965 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
4966 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
4967 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
4968 (split for "op.S1 [rx=rx+i],ry (swapped)")
4969 (split for "op(s|u).S1 [rx=rx+i],ry")
4970 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
4971 Apply cris_order_for_addsi3 when generating addsi3 insns.
4973 2006-01-25 Diego Novillo <dnovillo@redhat.com>
4975 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
4976 (TREE_BLOCK): Add call to EXPR_CHECK.
4978 2006-01-25 Diego Novillo <dnovillo@redhat.com>
4981 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
4982 * tree-pretty-print.c (dump_omp_clause): Extract from ...
4983 (dump_omp_clauses): ... here.
4984 (dump_generic_node): Handle OMP_CLAUSE.
4985 * tree.c (omp_clause_num_ops): New.
4986 (omp_clause_code_name): New.
4987 (tree_code_size): Handle OMP_CLAUSE.
4988 (tree_size): Likewise.
4989 (make_node): Document handling of OMP_CLAUSE.
4990 (tree_node_structure): Handle OMP_CLAUSE.
4991 (omp_clause_check_failed): New.
4992 (omp_clause_range_check_failed): New.
4993 (omp_clause_operand_check_failed): New.
4994 (build_omp_clause): New.
4995 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
4996 * tree.h (enum omp_clause_code): Declare.
4997 (OMP_CLAUSE_SUBCODE_CHECK): Define.
4998 (OMP_CLAUSE_RANGE_CHECK): Define.
4999 (OMP_CLAUSE_ELT_CHECK): Define.
5000 (omp_clause_check_failed): Declare.
5001 (omp_clause_operand_check_failed): Declare.
5002 (omp_clause_range_check_failed): Declare.
5003 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
5004 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
5005 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
5006 (OMP_CLAUSE_LASTPRIVATE): Likewise.
5007 (OMP_CLAUSE_IF_EXPR): Likewise.
5008 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
5009 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
5010 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
5011 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
5012 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
5013 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
5014 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
5015 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
5016 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
5017 (OMP_CLAUSE_CODE): Define.
5018 (OMP_CLAUSE_SET_CODE): Define.
5019 (OMP_CLAUSE_CODE): Define.
5020 (OMP_CLAUSE_OPERAND): Define.
5021 (struct tree_omp_clause): Declare.
5022 (union tree_node): Add field 'omp_clause'.
5023 * treestruct.def (TS_OMP_CLAUSE): Define.
5024 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
5025 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
5026 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
5027 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
5028 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
5029 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
5030 (OMP_CLAUSE): Define.
5031 * print-tree.c (print_node): Handle OMP_CLAUSE.
5032 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
5033 * c-typeck.c: Likewise.
5034 * gimplify.c: Likewise.
5035 * c-omp.c: Likewise.
5036 * tree-nested.c: Likewise.
5037 * tree-inline.c: Likewise.
5038 * c-parser.c: Likewise.
5039 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
5042 2006-01-25 Roger Sayle <roger@eyesopen.com>
5044 PR rtl-optimization/25703
5045 * combine.c (try_combine): Handle zero_extract and strict_low_part
5046 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
5048 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
5050 * global.c: Fix comment typos.
5052 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
5055 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
5056 Use output_addr_const instead of assemble_name.
5058 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
5060 * Makefile.in (sched-vis.o): Update dependencies.
5061 * haifa-sched.c (sched_finish): Clear current_sched_info.
5062 * cfg.c (dump_bb_info): New, split from dump_flow_info.
5063 (dump_flow_info): Call it.
5064 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
5066 * basic-block.h (dump_bb_info): Declare.
5067 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
5068 option, and apply options only for dump files whose TDF_RTL,
5069 TDF_TREE, or TDF_IPA bits match.
5070 * rtl.h: Declare new functions exported from sched-vis.c.
5071 * sched-vis.c: Enable also if scheduling is not used.
5072 (print_value): Print the mode of registers if not inside scheduling.
5073 (print_insn): Make it work outside the scheduler. Beautify the output
5075 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
5077 2006-01-25 Richard Sandiford <richard@codesourcery.com>
5079 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
5080 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
5081 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
5082 depending on the value of CONSTANT_POOL_ADDRESS_P.
5083 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
5085 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
5086 rather than SYMBOL_REF_DECL.
5087 (rtx_constant_pool): Remove const_rtx_sym_htab.
5088 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
5089 (init_varasm_status): Don't initialize const_rtx_sym_htab.
5090 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
5091 Remove handling of const_rtx_sym_htab.
5092 (find_pool_constant): Delete.
5093 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
5094 rather than find_pool_constant.
5095 (get_pool_constant_for_function): Delete.
5096 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
5098 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
5099 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
5100 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
5101 (SYMBOL_REF_CONSTANT): New macro.
5102 (get_pool_constant_for_function): Delete.
5103 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
5104 rather than SYMBOL_REF_DECL.
5105 (i386_pe_mark_dllimport): Likewise.
5106 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
5107 rather than SYMBOL_REF_DECL.
5108 * config/darwin.c (machopic_indirect_data_reference): Likewise.
5109 (machopic_indirect_call_target): Likewise.
5111 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
5113 * flow.c (delete_noop_moves): Add missing EOL to dump message.
5115 2006-01-25 Richard Sandiford <richard@codesourcery.com>
5117 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
5119 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
5121 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
5123 2006-01-24 David Daney <ddaney@avtrex.com>
5126 * configure.ac (enable_tls): New enable option.
5127 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
5128 * configure: Regenerate.
5129 * doc/install.texi (--enable-tls): Document new option.
5130 (--disable-tls): Ditto.
5132 2006-01-24 Richard Henderson <rth@redehat.com>
5134 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
5135 * alias.c (true_dependence): Respect it.
5136 (canon_true_dependence, write_dependence_p): Likewise.
5137 * builtins.c (get_builtin_sync_mem): Set it.
5139 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
5141 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
5144 2006-01-24 DJ Delorie <dj@redhat.com>
5146 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
5147 for storing constants in single-bit bitfields.
5149 2006-01-25 Ben Elliston <bje@au.ibm.com>
5151 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
5153 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
5156 * tree-ssa-pre.c (phi_translate): Return NULL
5157 for AGGREGATE_TYPE's.
5159 2006-01-24 Zack Weinberg <zackw@panix.com>
5161 * genautomata.c (process_state_for_insn_equiv_partition):
5162 Use xcalloc for insn_arcs_array.
5163 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
5164 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
5166 2006-01-24 Richard Henderson <rth@redhat.com>
5168 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
5171 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
5173 PR rtl-optimization/25890
5174 PR rtl-optimization/25905
5175 * combine.c (expand_compound_operation, expand_field_assignment):
5176 Fail if the bitfield's final position is out of bounds.
5178 2006-01-24 Ian Lance Taylor <ian@airs.com>
5181 * cgraphunit.c (cgraph_output_in_order): Don't clear
5182 cgraph_asm_nodes until after asm strings have been output.
5184 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
5186 * fix-header.c (read_scan_file): Add new parameter imultilib when
5187 calling register_include_chains.
5189 2006-01-23 Diego Novillo <dnovillo@redhat.com>
5191 * omp-low.c: Update documentation.
5193 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
5194 Daniel Berlin <dberlin@dberlin.org>
5198 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
5199 return from the function.
5201 2006-01-22 Zack Weinberg <zackw@panix.com>
5203 * rtl.def (match_code): Add second argument.
5204 * genpreds.c (write_extract_subexp): New function.
5205 (write_match_code): Add path argument. Use write_extract_subexp.
5206 (write_predicate_expr): Pass path to write_match_code.
5207 (mark_mode_tests): MATCH_CODE applied to a subexpression does
5208 not perform a mode test.
5209 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
5210 a subexpression does not constrain the top-level code set.
5211 * read-rtl.c (read_rtx_variadic): New function.
5212 (read_rtx_1): Use it; allow AND and IOR to be variadic.
5213 * doc/md.texi: Document new notation.
5214 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
5215 (cmpsi_operand): ... here, using new notation.
5217 2006-01-22 Zack Weinberg <zackw@panix.com>
5219 * varray.c: Remove GENERATOR_FILE #ifdefs.
5221 2006-01-22 Zack Weinberg <zackw@panix.com>
5223 * genautomata.c (output_reserved_units_table): Emit nothing if
5224 description->query_units_num is zero. Remove extra blank line.
5225 (output_cpu_unit_reservation_p): Short circuit
5226 if description->query_units_num is zero.
5228 2006-01-22 Zack Weinberg <zackw@panix.com>
5230 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
5231 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
5232 nor any of the random handful of variables that used to be necessary
5233 when this program was linked with rtlanal.o. Prune set of forward
5234 function declarations.
5235 (struct attr_desc): Remove static_p field.
5236 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
5237 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
5238 (attr_string): Do not read the character one past the length of
5240 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
5241 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
5242 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
5243 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
5244 (make_automaton_attrs): New.
5245 (main): Do not call into genautomata. Call local gen_bypass
5246 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
5247 Remove special case for insn_alts.
5248 * genautomata.c: Include gensupport.h; not genattrtab.h nor
5249 varray.h (leftover from previous change). Prune set of forward
5250 function declarations. Remove state_alts fields from all
5251 structures. Remove state_alts_table from struct automaton.
5252 Make everything except main static. Do not maintain num_dfa_decls.
5253 Do not maintain state_alts fields of various structures.
5254 (process_decls): Don't validate condexp for dm_insn_reserv decls.
5255 (add_arc): Remove state_alts argument. All callers updated.
5256 (output_reserved_units_table): Emit #ifdef here...
5257 (output_tables): ...not here. Don't generate state_alts tables.
5258 (expand_automata): Don't generate attributes.
5259 (write_automata): Don't generate state_alts functions.
5260 (main): New function.
5261 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
5262 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
5263 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
5264 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
5265 (BYPASS_P_FUNC_NAME, output_state_alts_table)
5266 (output_automata_list_state_alts_code, output_internal_state_alts_func)
5267 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
5268 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
5270 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
5271 * genattrtab.h: Delete file.
5272 * Makefile.in (OBJS-common): Add insn-automata.o.
5273 (insn-automata.o): New rule.
5274 (simple_generated_c): Add insn-automata.c.
5275 (build/genattrtab.o, build/genautomata.o): Update dependencies.
5276 (genprogmd): Add automata.
5277 (build/genattrtab): Needs no extra objects nor libraries.
5278 (build/genautomata): Needs build/vec.o and -lm.
5280 2006-01-22 Zack Weinberg <zackw@panix.com>
5282 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
5283 (output_dfa_max_issue_rate, locked_states_num): Delete.
5284 (struct automaton): Add locked_states field.
5285 (output_dead_lock_vect): Save number of locked states in
5286 automaton->locked_states. If it is zero, don't print anything.
5287 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
5288 (output_internal_dead_lock_func): Only test the dead_lock_vect
5289 for automata that have locked states.
5290 (output_statistics): Always print the number of locked states for
5291 each automaton. Calculate total number of locked states here.
5292 (write_automata): Don't call output_dfa_max_issue_rate.
5293 * genattrtab.c: Define length_unit_log as a const variable.
5294 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
5295 max_insn_queue_index const.
5296 * final.c (length_unit_log): Declare const.
5297 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
5299 2006-01-22 Zack Weinberg <zackw@panix.com>
5301 * genautomata.c: Include vec.h, not varray.h.
5302 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
5303 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
5304 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
5305 VEC_* macros operating on appropriately typed vectors, or to
5306 malloced arrays when the size is known in advance. Const-ify
5307 many char* variables and function arguments. No functional changes.
5308 * Makefile.in (build/varray.o): Delete rule.
5309 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
5310 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
5312 2006-01-22 Zack Weinberg <zackw@panix.com>
5314 * gensupport.c: Define get_insn_name and record_insn_name here.
5315 (read_md_rtx): Call record_insn_name as appropriate.
5316 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
5317 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
5318 * genpreds.c, genrecog.c: Don't define get_insn_name nor
5320 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
5321 (BUILD_VARRAY): Delete.
5322 (genprognormal): Rename genprogmd. Fold in all programs from
5323 genprognoprint; also attrtab.
5324 (build/genattrtab): Just mention genautomata.o and varray.o.
5325 Reorganize a bit, add comments to make the categories clearer.
5327 2006-01-22 Zack Weinberg <zackw@panix.com>
5329 * genconditions.c (condition_table, add_condition): Delete.
5330 (write_conditions): Don't emit n_insn_conditions nor
5331 insn_elision_unavailable. Issue the gcc version #ifdef here,
5332 inside the table, with no #else clause ...
5333 (write_header): ...not here.
5334 (write_writer): New function.
5335 (main): Don't initialize condition_table. Use add_c_test.
5337 * gensupport.c (init_md_reader_args_cb): Handle multiple input
5338 files on the command line.
5339 (maybe_eval_c_test): Don't check insn_elision_unavailable.
5340 Return -1 if there is no entry in the table, don't abort.
5341 (add_c_test, traverse_c_tests): New functions.
5342 * gensupport.h (insn_elision_unavailable, insn_conditions)
5343 (n_insn_conditions): Delete declarations.
5344 (add_c_test, traverse_c_tests): Declare.
5345 * read-rtl.c: Include gensupport.h.
5346 (read_conditions): New function.
5347 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
5348 (read_rtx_1): If we get EOF when we were looking for an initial
5349 open paren, return 0. Call read_conditions when appropriate.
5350 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
5351 dummy-conditions.o. Eliminate references to insn-conditions.o,
5352 or change them to build/gencondmd.o, as appropriate. Remove
5353 insn-constants.h from $(simple_generated_h) and insn-conditions.c
5354 from $(simple_generated_c). For all files remaining in those
5355 two lists, add insn-conditions.md to the generator command line.
5356 Give insn-constants.h/s-constants their own rules. Add rules
5357 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
5358 (build/read-rtl.o): Depend on gensupport.h.
5359 (genprognormal): Include preds.
5360 (genprogearly): Rename genprognoprint; only difference is now that
5361 they don't link with $(BUILD_PRINT).
5362 * dummy-conditions.c: Delete.
5364 2006-01-22 Zack Weinberg <zackw@panix.com>
5366 * genextract.c: Don't include insn-config.h. Do include vec.h.
5367 Declare vectors of int, char, and locstr.
5368 (locstr): New typedef.
5369 (struct extraction): Make all array fields into bare pointers.
5370 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
5371 (insn_code_number): Delete.
5372 (accum_extract): New struct.
5373 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
5374 (gen_insn): Take insn_code_number as an argument. Use an
5375 accum_extract structure instead of loading data directly into
5376 a struct extraction, and having to know how big it might get.
5377 (walk_rtx): Operate entirely on an accum_extract structure.
5378 (print_path): Avoid unnecessary use of printf.
5379 (print_header): New function, split out of main. Distinguish
5380 more carefully between an unrecognizable insn and an insn that
5381 has the code number of a define_expand.
5382 (main): Pass insn_code_number to gen_insn. Call print_header
5383 only after parsing. Avoid unnecessary use of printf.
5384 * Makefile.in (build/vec.o): New rule.
5385 (build/genextract): Depend on build/vec.o.
5386 (build/genextract.o): Don't depend on insn-config.h.
5388 2006-01-22 Zack Weinberg <zackw@panix.com>
5390 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
5391 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
5392 practical. Eliminate per-generator-program link rules.
5394 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
5397 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
5398 with a call expr to ...
5399 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
5401 2006-01-23 Richard Guenther <rguenther@suse.de>
5403 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
5404 before make_edge with conditional EDGE_TRUE_VALUE.
5406 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
5407 Jan Hubicka <jh@suse.cz>
5408 Richard Guenther <rguenther@suse.de>
5410 PR rtl-optimization/25654
5411 * cfgexpand.c (aggregate_contains_union_type): New function.
5412 (add_alias_set_conflicts): Call it. Make sure to add conflicts
5413 for structure variables that contain a union type.
5415 2006-01-23 Richard Sandiford <richard@codesourcery.com>
5417 * gengtype.c (new_structure): Return the structure.
5418 (create_option): Add an extra "next" argument.
5419 (create_field): New function.
5420 (adjust_field_rtx_def): Use create_option and create_field.
5421 Remove a now-unnecessary call to find_structure.
5422 (adjust_field_tree_def): Likewise.
5423 (note_yacc_type): Remove an unnecessary call to find_structure.
5424 * gengtype.h (new_structure): Return the structure.
5425 (create_option): Add an extra argument.
5426 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
5427 (option): Adjust calls to create_option.
5429 2006-01-22 David Edelsohn <edelsohn@gnu.org>
5431 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
5433 2006-01-22 Paul Brook <paul@codesourcery.com>
5434 Peter Barada <peter@the-baradas.com>
5436 * config/m68k/m68k.md: Add Coldfire FPU support.
5437 Define FP mode macro and associated attributes.
5438 Use it for float mode patterns.
5439 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
5440 (LIBCALL_VALUE): Use m68k_libcall_value.
5441 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
5442 (m68k_function_value): Ditto.
5443 (emit_move_sequence): Ditto.
5444 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
5445 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
5446 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
5447 (MULTILIB_EXCEPTIONS): Ditto.
5448 * config/m68k/m68k.opt: Add mcfv4e.
5449 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
5450 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
5451 (m68k_output_function_prologue): Save ColdFire FPU registers.
5452 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
5453 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
5454 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
5455 ColdFire FPU registers.
5456 (m68k_libcall_value, m68k_function_value): New functions.
5457 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
5458 (LIBCALL_VALUE): Use m68k_libcall_value.
5459 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
5460 (MASK_COLDFIRE): Add MASK_CFV4E.
5461 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
5462 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
5463 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
5464 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
5465 (GO_IF_LEGITIMATE_ADDRESS): Use it.
5466 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
5467 * doc/invoke.tex: Document -mcfv4e on m68k.
5469 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
5471 * doc/contribute.texi: Change CVS to SVN and update the corresponding
5474 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
5477 * c-opts.c (c_common_handle_option): Don't include
5478 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
5479 * doc/invoke.texi (C++ Dialect Options): Document that
5480 -Wnon-virtual-dtor is no longer included in -Wall.
5482 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
5484 * gcov.c (print_version), gcov-dump.c (print_version),
5485 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
5488 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
5490 * df-scan.c (problem_SCAN): Added NULL reset function.
5491 (df_scan_reset_blocks): Added code to call reset block function
5492 (df_bb_refs_delete) Fixed comment.
5493 (df_insn_refs_delete): Made tolerant of deleting non existent info
5494 for dataflow problems that need to be reset.
5495 * df-core.c (df_set_blocks): Ditto.
5496 * df.h (struct df_problem): Added reset_fun.
5497 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
5498 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
5499 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
5500 functions to clear out all references to def-use or use-def chains.
5502 2006-01-21 Ben Elliston <bje@au.ibm.com>
5504 * varasm.c (assemble_real): Initialise data array.
5506 2006-01-20 Paul Brook <paul@codesourcery.com>
5508 Merge from csl-arm-branch.
5509 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
5510 * config/arm/arm.md (movdi): Force operands[1] to a register
5511 if we have a non-register source.
5512 (*arm_movdi, *movdf_soft_insn): Require that one of the
5513 operands be a register.
5514 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
5515 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
5517 2006-01-20 DJ Delorie <dj@redhat.com>
5519 * varasm.c (initialize_constant_valid_p): Allow pointers
5520 initialized from integer constants of lesser precision.
5521 (output_constant): Allow non-int-sized pointer modes to be
5522 initialized from integer constants.
5524 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
5527 * cppdefault.h (struct default_include): Add multilib flag.
5528 * cppdefault.c (cpp_include_defaults): Set it.
5529 * c.opt (-imultilib): New option.
5530 * c-opts.c (imultilib): New.
5531 (c_common_handle_option): Handle -imultilib.
5532 (c_common_post_options): Likewise.
5533 * c-incpath.c (add_standard_paths, register_include_chains):
5535 * c-incpath.h (register_include_chains): Add extra parameter.
5536 * gcc.c (do_spec_1): Generate -imultilib option.
5537 (The Specs Language): Update %I description.
5538 (process_command): Update copyright notice.
5539 * doc/cppopts.texi (-imultilib): Document.
5540 * doc/invoke.texi (-imultilib): Include in option summary.
5541 (%I): Update specs documentation.
5543 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
5545 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
5547 2006-01-20 Richard Sandiford <richard@codesourcery.com>
5549 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
5552 2006-01-20 Richard Guenther <rguenther@suse.de>
5553 Steven Bosscher <stevenb.gcc@gmail.com>
5555 PR rtl-optimization/24626
5556 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
5557 EDGE_TRUE_VALUE if in RTL mode.
5560 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
5561 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
5563 2006-01-20 Dirk Mueller <dmueller@suse.com>
5566 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
5567 instead of a special NOP marker.
5568 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
5569 NOP marker handling.
5570 * c-common.h (empty_body_warning): Add forward declaration.
5571 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
5572 Now uses IS_EMPTY_STMT() instead of special NOP markers.
5574 2006-01-20 Paul Brook <paul@codesourcery.com>
5576 * Makefile.in (lang_checks): Keep going if mkdir fails.
5578 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
5580 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
5581 be able to clean out basic block when not necessary.
5582 (df_scan_free): Fixed to properly delete information if df is
5583 unused before calling df_finish.
5584 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
5585 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
5587 (df_bb_refs_delete): New function.
5588 (df_refs_delete): Moved per block code to df_bb_refs_delete.
5589 * df-core.c (df_set_blocks): Added code to properly clean out
5590 unused blocks if they are not part of the blocks to consider.
5591 Added additional null check.
5592 (df_compact_blocks): Added basic block parameter to free_bb_fun to
5593 be able to clean out basic block when not necessary
5594 * df.h (df_free_bb_function): Ditto.
5595 (df_bb_refs_delete): New function.
5596 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
5597 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
5598 basic block parameter to be able to clean out basic block when not
5600 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
5601 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
5602 Fixed to properly delete information if df is unused before
5605 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
5607 PR rtl-optimization/25799
5608 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
5609 Corrected confluence operator to remove bits from op2 before oring
5610 with op1 rather than removing bits from op1.
5611 (df_ru_transfer_function): Corrected test on wrong bitmap which
5612 caused infinite loop. Both of these problems were introduced in
5613 the dataflow rewrite.
5615 2006-01-19 DJ Delorie <dj@redhat.com>
5617 * reload1.c (find_reload_regs): Note the details of reload
5618 failures in the dump file.
5619 (spill_failure): Likewise.
5621 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
5623 * loop-iv.c: Include df.h and hashtab.h.
5624 (enum iv_grd_result): New enum.
5625 (DF_REF_IV, DF_REF_IV_SET): New macros.
5626 (struct biv_entry): New.
5627 (df, bivs): New global variables.
5628 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
5629 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
5631 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
5632 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
5633 analyzed_for_bivness_p, record_biv): New functions.
5634 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
5635 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
5636 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
5638 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
5640 (iv_number_of_iterations): Use new interface to iv analysis.
5641 * loop-unroll.c: Do not include varray.h.
5642 (analyze_iv_to_split_insn): Use new interface to iv
5644 * loop-unswitch.c (may_unswitch_on): Ditto.
5645 * df.c (df_bitmaps_free): Only work for bbs for that structures are
5647 (df_bb_modify): Realloc tables to the new index.
5648 (df_find_use): New function.
5649 * df.h (df_find_use): Declare.
5650 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
5652 * cfgloop.h (struct rtx_iv): Remove analysed field.
5653 (iv_get_reaching_def): Removed.
5654 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
5655 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
5656 (loop-iv.o): Add df.h and hashtab.h dependency.
5657 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
5659 2006-01-20 Alan Modra <amodra@bigpond.net.au>
5662 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
5664 (__floatundisf, __floatundidf): Likewise.
5665 * libgcc2.h (IS_IBM_EXTENDED): Define.
5667 2006-01-19 DJ Delorie <dj@redhat.com>
5669 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
5671 2006-01-19 Paul Brook <paul@codesourcery.com>
5673 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
5674 as nothrow when unwinding tables are disabled.
5676 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5679 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
5680 of bit-field" when in system header.
5682 2006-01-19 DJ Delorie <dj@redhat.com>
5684 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
5685 the 16 bit shift limit of the m16c.
5687 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
5690 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
5691 * config/i386/i386.c (output_set_got): Output the label if we have one
5692 for the TARGET_DEEP_BRANCH_PREDICTION case.
5694 2006-01-19 Jan Hubicka <jh@suse.cz>
5695 H.J. Lu <hongjiu.lu@intel.com>
5696 Evandro Menezes <evandro.menezes@amd.com>
5698 * invoke.texi (generic): Document
5700 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
5701 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
5702 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
5703 (x86_use_incdec, x86_pad_returns): New variables
5704 (TARGET_CPU_DEFAULT_generic): New constant
5705 (TARGET_CPU_DEFAULT_NAMES): Add generic.
5706 (enum processor_type): Add generic32 and generic64.
5707 * i386.md (cpu attribute): Add generic32/generic64
5708 (movhi splitter): Behave sanely when both partial_reg_dependency and
5709 partial_reg_stall are set.
5710 (K8 splitters): Enable for generic as well.
5711 * predicates.md (incdec_operand): Use TARGET_INCDEC
5712 (aligned_operand): Avoid memory mismatch stalls.
5713 * athlon.md: Enable for generic64, new patterns for 128bit moves.
5714 * ppro.md: Enable for generic32
5715 * i386.c (generic64_cost, generic32_cost): New.
5716 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
5717 (x86_use_leave): Enable for generic64. (x86_use_sahf,
5718 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
5719 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
5720 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
5721 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
5722 x86_partial_reg_dependency, x86_memory_mismatch_stall,
5723 x86_accumulate_outgoing_args, x86_prologue_using_move,
5724 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
5725 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
5727 (x86_use_incdec, x86_pad_returns): New.
5728 (override_options): Add generic32 and generic64, translate "generic"
5729 to generic32/generic64 and "i686" to "generic32", refuse
5730 "generic32"/"generic64" as arch target.
5731 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
5732 (ix86_reorg): Honor PAD_RETURNS.
5734 2006-01-19 Diego Novillo <dnovillo@redhat.com>
5736 * tree-pretty-print.c (dump_generic_node): Handle
5737 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
5738 * cgraph.c (cgraph_expand_queue): Rename from
5739 cgraph_analyze_queue. Update all users.
5740 * cgraphunit.c (cgraph_assemble_pending_functions): Process
5741 cgraph_expand_queue.
5742 (cgraph_expand_all_functions): Likewise.
5743 (cgraph_finalize_pending_functions): Remove. Update callers.
5745 * tree.h (OMP_DIRECTIVE_P): Define.
5746 (OMP_PARALLEL_FN): Define.
5747 (OMP_PARALLEL_DATA_ARG): Define.
5748 (OMP_SECTIONS_SECTIONS): Define.
5749 * tree-pass.h (pass_expand_omp): Declare.
5750 * omp-low.c (struct omp_region): Declare.
5751 (struct omp_context): Remove fields 'parallel_type',
5752 'parallel_start_ix' and 'parallel_start_additional_args'.
5754 (struct omp_for_data): Rename from struct expand_omp_for_data.
5755 (omp_regions): New static variable.
5756 (root_omp_region): New static variable.
5757 (find_omp_clause): Make static.
5758 (is_in_combined_parallel_ctx): Remove.
5759 (is_combined_parallel): New.
5760 (extract_omp_for_data): Move earlier in the file.
5761 (workshare_safe_to_combine_p): New.
5762 (get_ws_args_for): New.
5763 (determine_parallel_type): Move earlier in the file.
5764 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
5766 (omp_copy_decl): Likewise.
5767 (create_omp_child_function): Likewise.
5768 (lookup_omp_region): New.
5769 (dump_omp_region): New.
5770 (debug_omp_region): New.
5771 (debug_all_omp_regions): New.
5772 (new_omp_region): New.
5773 (scan_omp_parallel): If parallel_nesting_level > 1, the
5774 directive is nested within another parallel directive.
5775 Set OMP_PARALLEL_FN.
5776 (scan_omp_for): Do not try to handle combined parallel+for
5778 Remove FIXME comment.
5779 (scan_omp_nested): Remove.
5780 (scan_omp_1): Do not call scan_omp_nested when
5781 parallel_nesting_level is > 1.
5782 Do not change the DECL_CONTEXT of local variables found.
5783 (lookup_decl_in_outer_ctx): New.
5784 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
5785 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
5786 (lower_reduction_clauses): Rename from expand_reduction_clauses.
5787 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
5788 If CTX is nested, lookup VAR in the outer context when
5789 building copy assignment.
5790 (lower_send_clauses): Rename from expand_send_clauses.
5791 If CTX is nested, lookup VAR in the outer context when
5792 building copy assignments.
5793 (lower_send_shared_vars): Rename from expand_send_shared_vars.
5794 If CTX is nested, lookup VAR in the outer context when
5795 building copy assignments.
5796 (expand_parallel_call): Rename from build_parallel_call.
5797 Handle combined parallel+workshare cases.
5798 Re-implement to emit code into the CFG.
5800 (expand_omp_parallel): Re-implement to emit code into the CFG.
5801 Call move_sese_region_to_fn to outline the sub-graph
5802 containing the parallel region.
5803 (expand_omp_for_1): Remove.
5804 (expand_omp_for_generic): Re-implement to emit code into the
5806 (expand_omp_for_static_nochunk): Likewise.
5807 (expand_omp_for_static_chunk): Likewise.
5808 (expand_omp_for): Likewise.
5809 (expand_omp_sections): Likewise.
5810 (remove_exit_barriers): New.
5811 (expand_omp_synch): New.
5813 (build_omp_regions_1): New.
5814 (build_omp_regions): New.
5815 (execute_expand_omp): New.
5816 (gate_expand_omp): New.
5817 (pass_expand_omp): Define.
5818 (lower_omp_sections): Rename from expand_omp_sections.
5819 Set OMP_SECTIONS_SECTIONS.
5820 (lower_omp_single_simple): Rename from expand_omp_single_simple.
5821 (lower_omp_single_copy): Rename from expand_omp_single_copy.
5822 (lower_omp_single): Rename from expand_omp_simple.
5823 (lower_omp_master): Rename from expand_omp_master.
5824 (lower_omp_ordered): Rename from expand_omp_ordered.
5825 (lower_omp_critical): Rename from expand_omp_critical.
5826 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
5827 (lower_omp_for): Re-implement.
5828 (lower_omp_parallel): Re-implement.
5829 (lower_regimplify): Rename from expand_regimplify.
5830 (lower_omp_1): Rename from expand_omp_1.
5831 If there are syntax errors in the program, replace every
5832 OpenMP directive with NOP.
5833 Call lower_omp_* instead of expand_omp_*.
5834 (lower_omp): Rename from expand_omp.
5836 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
5837 * tree-gimple.h (enum omp_parallel_type): Remove.
5838 (gimple_boolify): Declare extern.
5839 (find_omp_clause, determine_parallel_type): Remove.
5841 * gimple-low.c (lower_omp_directive): New.
5842 (lower_stmt): Call it.
5843 (record_vars_into): Move from ...
5844 (record_vars): ... here.
5845 Call record_vars_into with current_function_decl.
5847 * gimplify.c (struct gimplify_ctx): Remove fields
5848 combined_pre_p and combined_ctxp. Update users.
5849 (get_formal_tmp_var): Add documentation.
5850 (gimple_boolify): Make extern.
5851 (gimplify_expr_in_ctx): Remove. Update callers.
5852 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
5853 will always be a BIND_EXPR.
5854 (gimplify_expr): Handle OMP_RETURN_EXPR.
5855 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
5856 (OMP_PARALLEL): Add 3 operands.
5857 (OMP_SECTIONS): Add 1 operand.
5858 (OMP_RETURN_EXPR): Define.
5860 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
5861 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
5862 * tree-iterator.c (alloc_stmt_list): Assert that we are not
5863 creating a circular free list.
5864 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
5866 * tree-flow.h (move_sese_region_to_fn): Declare.
5867 (record_vars_into): Declare.
5868 * tree-cfg.c (make_omp_sections_edges): New.
5869 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
5870 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
5871 OMP_SECTIONS and OMP_SECTION.
5872 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
5873 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
5874 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
5875 (gather_blocks_in_sese_region): New.
5876 (struct move_stmt_d): Declare.
5878 (move_block_to_fn): New.
5879 (move_sese_region_to_fn): New.
5881 * passes.c (init_optimization_passes): Schedule
5882 pass_expand_omp after pass_init_datastructures.
5884 * tree-ssa-operands.c (get_expr_operands): Handle
5885 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
5886 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
5888 2006-01-19 Jeff Law <law@redhat.com>
5890 * tree-vrp.c (extract_range_from_assert): Refine the result range
5891 if the variable referenced by the ASSERT_EXPR has a range and
5892 either the tentative result range or the previous range is a
5895 2006-01-19 Richard Sandiford <richard@codesourcery.com>
5897 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
5899 2006-01-19 Jan Hubicka <jh@suse.cz>
5901 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
5903 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
5905 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
5906 (expand_compound_operation, expand_field_assignment): Fail if the
5907 bit lengths of an extract operation are out of range.
5908 (make_extraction): Compute wanted_inner_mode based on the position
5909 and length of the extraction. Make it extraction_mode for non-constant
5910 positions, and do not modify offset in that case. When generating a
5911 new MEM, use a mode that can hold the extraction while keeping correct
5912 alignment. Remove code that supported MEMs wrapped by USEs.
5913 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
5915 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
5917 * config/s390/s390.md ("Y", "y"): New mode attribute.
5918 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
5919 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
5920 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
5921 "*addsi3_imm_cc", "*addsi3_carry1_cc",
5922 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
5923 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
5924 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
5925 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
5926 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
5927 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
5928 "addsi3", "subsi3"): Insn patterns removed.
5929 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
5930 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
5931 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
5932 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
5933 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
5934 "*sub<mode>3_cconly2"): New insn patterns.
5935 ("addsi3", "subsi3"): New expanders.
5937 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
5939 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
5940 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
5941 existing STMT_VINFO_VECTYPE if available.
5942 (vect_mark_relevant): Add special handling for stmts that are
5943 marked as STMT_VINFO_IN_PATTERN_P.
5944 (vect_analyze_loop): Call vect_pattern_recog.
5945 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
5946 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
5948 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
5949 (vect_recog_func_ptr): New function-pointer type.
5950 * tree-vect-patterns.c: New file.
5951 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
5952 (vect_recog_dot_prod_pattern, vect_pattern_recog):
5953 (vect_pattern_recog_1): New functions.
5954 (vect_pattern_recog_funcs): New array of function pointers.
5956 * tree-vectorizer.h (ternary_op): New enum value.
5957 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
5958 declaration. Revised documentation. Removed redundant dump prints.
5959 Removed redundant argument. Added support for reduction patterns.
5960 (vectorizable_reduction): Added support for reduction patterns.
5961 (vect_transform_stmt): Added support for patterns.
5963 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
5964 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
5965 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
5966 (expand_widen_pattern_expr): New function.
5967 (init_optabs): Initialize new optabs udot_prod_optab,
5969 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
5970 (sdot_prod_optab, udot_prod_optab): Define new optabs.
5971 (expand_widen_pattern_expr): New function declaration.
5972 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
5974 * tree-inline.c (estimate_num_insns_1): Added cases for new
5975 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
5976 * tree-pretty-print.c (dump_generic_node): Likewise.
5977 (op_prio): Likewise.
5978 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
5979 * tree-ssa-operands.c (get_expr_operands): Added case for
5981 * tree-vect-patterns.c (widened_name_p): New function.
5982 (vect_recog_dot_prod_pattern): Added function implementation.
5983 * tree-vect-transform.c (get_initial_def_for_reduction): Added
5984 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
5985 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
5986 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
5988 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
5989 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
5990 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
5991 (init_optabs): Initialize new optabs widen_ssum_optab,
5993 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
5994 (widen_ssum_optab, widen_usum_optab): Define new optabs.
5995 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
5996 use instead of type of def.
5997 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
5998 function implementation.
5999 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
6000 widen_ssumv8hi): New.
6002 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
6005 2006-01-19 Richard Sandiford <richard@codesourcery.com>
6008 * c-decl.c (add_flexible_array_elts_to_size): New function.
6009 (finish_decl): Use it.
6011 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
6013 * diagnostic.h: Include options.h.
6014 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
6015 dependancies for diagnostic.h.
6016 * Makefile.in (DIAGNOSTIC_H): Add options.h.
6018 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
6020 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
6021 (ssa_ro_call_cache_valid): Ditto.
6022 * tree-ssa-alias.c (sort_tags_by_id): New function.
6023 (init_transitive_clobber_worklist): Ditto.
6024 (add_to_worklist): Ditto.
6025 (mark_aliases_call_clobbered): Ditto.
6026 (compute_tag_properties): Ditto.
6027 (set_initial_properties): Ditto.
6028 (compute_call_clobbered): Ditto.
6029 (compute_may_aliases): Call compute_call_clobbered and grouping.
6030 (compute_flow_sensitive_aliasing): Remove clobbering related code.
6031 (compute_flow_insensitive_aliasing): Grouping now happens in our
6033 (setup_pointers_and_addressables): Remove clobbering related code.
6034 (add_may_alias): Ditto.
6035 (replace_may_alias): Ditto.
6036 (get_nmt_for): Ditto.
6037 (create_global_var):
6038 (is_escape_site): Return an escape_type enumeration.
6039 * tree-flow-inline.h (is_call_clobbered): Global var does not
6040 imply call clobbered.
6041 (mark_call_clobbered): Take a reason for marking this. Remove
6042 marking of globalness, and cache invalidation.
6043 (clear_call_clobbered): Remove cache invalidation code.
6044 * tree-dfa.c (dump_variable): If details is on, dump the reason
6046 * tree-outof-ssa.c (create_temp): Copy escape mask from original
6048 * tree-flow.h (struct ptr_info_def): Add escape mask member.
6049 (struct var_ann_d): Ditto.
6050 (enum escape_type): New.
6051 (mark_call_clobbered): Adjust prototype.
6052 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
6053 are never call clobbered.
6054 Record reasons for escaping.
6055 * tree-ssa-structalias.h (is_escape_site): Update prototype.
6056 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
6057 (ssa_ro_call_cache_valid): Ditto.
6058 (clobbered_v_may_defs): Ditto.
6059 (clobbered_vuses): Ditto.
6060 (ro_call_vuses): Ditto.
6061 (clobber_stats): New.
6062 (init_ssa_operands): Zero out clobber stats.
6063 (fini_ssa_operands): Print out clobber stats.
6064 (get_call_expr_operands): Pass callee fndecl to
6066 (add_call_clobber_ops): Remove use of cache.
6067 Add use of PURE_CONST information.
6068 (add_call_read_ops): Remove use of cache.
6069 Add use of static not_read information.
6071 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
6073 Introduce TLS descriptors for i386 and x86_64.
6074 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
6075 (TARGET_ANY_GNU_TLS): New macro.
6076 (enum tls_dialect): Added TLS_DIALECT_GNU2.
6077 (struct machine_function): Add tls_descriptor_call_expanded_p.
6078 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
6079 (ix86_current_function_calls_tls_descriptor): Likewise.
6080 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
6081 (override_options): Introduce gnu2 tls dialect.
6082 (ix86_frame_pointer_required): Functions containing TLSCALLs are
6084 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
6086 (legitimize_tls_address): Adjust logic for GNU2 TLS.
6087 (ix86_init_machine_status): Initialize new field.
6088 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
6089 (ix86_tls_module_base): New.
6090 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
6091 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
6092 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
6093 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
6094 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
6095 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
6096 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
6097 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
6098 * config/i386/predicates.md (tls_modbase_operand): New.
6099 (tp_or_register_operand): New.
6101 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
6103 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
6104 (look_for_address_of): Ditto.
6105 (ipa_init): Walk the function decls.
6106 (static_execute): Don't set readonly on FUNCTION_DECL's.
6108 2006-01-18 Roger Sayle <roger@eyesopen.com>
6110 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
6111 for shifts where the source and destination registers are different.
6113 2006-01-18 Paul Brook <paul@codesourcery.com>
6115 Merge from csl-arm-branch.
6116 2005-03-14 Julian Brown <julian@codesourcery.com>
6117 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
6118 (aeabi_llsl): Likewise.
6119 (ashrdi3): Likewise.
6120 (aeabi_lasr): Likewise.
6121 (lshrdi3): Likewise.
6122 (aeabi_llsr): Likewise.
6123 2005-03-10 Julian Brown <julian@codesourcery.com>
6124 * config.gcc: Disable shared libgcc for SymbianOS.
6125 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
6127 2006-01-18 DJ Delorie <dj@redhat.com>
6129 * c-pragma.c (handle_pragma_diagnostic): New.
6130 (init_pragma): Register it.
6131 * doc/extend.texi: Document it.
6133 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
6134 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
6135 (diagnostic_context): Add classify_diagnostic[].
6136 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
6137 as errors if they're overridden to DK_WARNING.
6138 (diagnostic_initialize): Initialize classify_diagnostic[].
6139 (diagnostic_set_kind_override): New.
6140 (diagnostic_report_diagnostic): Check for kind changes.
6141 * opts.c (common_handle_option): Take lang_mask. Update callers.
6143 * common.opt (Werror=): New.
6144 * doc/invoke.texi: Document -Werror=*
6146 2006-01-18 Jeff Law <law@redhat.com>
6148 * tree-vrp.c (test_for_singularity): Correct test for new
6149 min limit. Use operand_equal_p rather than pointer equality
6150 for testing if new min/max values are equal.
6152 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
6153 using range information until after propagation and folding.
6155 2006-01-18 Richard Henderson <rth@redhat.com>
6156 Aldy Hernandez <aldyh@redhat.com>
6157 Jakub Jelinek <jakub@redhat.com>
6158 Diego Novillo <dnovillo@redhat.com>
6160 * omp-low.c: New file.
6161 * c-omp.c: New file.
6163 2006-01-18 Richard Henderson <rth@redhat.com>
6164 Jakub Jelinek <jakub@redhat.com>
6165 Diego Novillo <dnovillo@redhat.com>
6167 * doc/invoke.texi: Document -fopenmp.
6168 * tree-dump.h (debug_function): Declare.
6169 * hooks.c (hook_bool_tree_bool_false): New function.
6170 (hook_tree_tree_null): Remove.
6171 (hook_tree_tree_tree_null): New.
6172 * hooks.h: Update to match.
6173 * tree-pretty-print.c (debug_tree_chain): New.
6174 (print_generic_expr): Handle TDF_CHAIN.
6175 (dump_generic_node): Handle BLOCK.
6176 Do not abort with incomplete SWITCH_EXPRs.
6177 Do not dump body of an OpenMP directive if TDF_SLIM is given.
6178 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
6179 print space after directive name.
6180 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
6181 Handle OMP_MASTER and OMP_ORDERED.
6182 Handle printing of OMP_BODY just in one place, goto
6183 dump_omp_body in the rest of OMP_* nodes that have
6185 Don't handle clause nodes here. Update omp statements to
6186 use dump_omp_clauses.
6187 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
6188 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
6189 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
6190 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
6191 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
6192 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
6193 Adjust output for GOMP_PARALLEL.
6194 (dump_omp_clauses): New.
6195 (print_declaration): Dump DECL_VALUE_EXPR.
6196 (op_symbol_1): Split out of op_symbol.
6197 (dumping_stmts): Remove. Update all users.
6198 * cgraph.c (cgraph_analyze_queue): New.
6199 (cgraph_add_new_function): New.
6200 * cgraph.h (cgraph_analyze_queue): Declare.
6201 (cgraph_add_new_function): Declare.
6202 (cgraph_lower_function): Remove.
6203 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
6204 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
6205 and TYPE_P nodes in its default clause.
6206 (empty_body_p): New.
6207 (tree_range_check_failed): New.
6209 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
6210 OMP_CLAUSE_REDUCTION_MERGE,
6211 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
6212 OMP_CLAUSE_PRIVATE_DEBUG,
6213 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
6214 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
6215 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
6216 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
6217 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
6218 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
6219 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
6220 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
6221 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
6222 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
6223 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
6224 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
6225 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
6226 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
6227 (TREE_RANGE_CHECK): New.
6228 (empty_body_p): Declare.
6229 (enum omp_clause_default_kind): New.
6230 (build_string_literal): Declare.
6231 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
6232 (build5_stat, build5): Declare.
6233 * tree-pass.h (TDF_CHAIN): Define.
6234 * tree-pass.h (PROP_gimple_lomp): Define.
6235 (pass_lower_omp): Declare.
6236 * diagnostic.h (debug_tree_chain): Declare.
6237 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
6239 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
6240 * builtins.c (build_string_literal): Make extern.
6241 * gcc.c (include_spec_function): New.
6242 (static_spec_functions): Add it.
6243 (main): Move load of libgomp.spec ...
6244 (LINK_COMMAND_SPEC): ... here.
6245 (link_gomp_spec): New.
6246 (static_specs): Include it.
6247 (LINK_COMMAND_SPEC): Add link_gomp.
6248 (GOMP_SELF_SPECS): New.
6249 (driver_self_specs): Include it.
6250 (switch_matches): Don't mark inline.
6251 (main): Load libgomp.spec.
6252 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
6253 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
6254 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
6255 * tree-gimple.h (enum omp_parallel): Declare.
6256 (determine_parallel_type): Declare.
6257 (omp_firstprivatize_variable): Declare.
6258 (omp_reduction_init): Declare.
6259 (diagnose_omp_structured_block_errors): Declare.
6260 (struct walk_stmt_info): Add want_return_expr.
6261 (struct walk_stmt_info): Add want_bind_expr, want_locations.
6262 (find_omp_clause): Declare.
6263 (insert_field_into_struct): Declare.
6264 (struct walk_stmt_info): Move from tree-nested.c
6265 (walk_stmts): Declare.
6266 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
6268 * cgraphunit.c (cgraph_lower_function): Make static.
6269 (cgraph_finalize_pending_functions): New.
6270 (cgraph_finalize_function): Call it.
6271 (cgraph_finalize_compilation_unit): Likewise.
6272 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
6273 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
6274 (BT_FN_UINT_UINT): New.
6275 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
6276 DEF_FUNCTION_TYPE_VAR_4): Document.
6277 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
6278 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
6279 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
6280 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
6281 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
6282 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
6283 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
6284 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
6285 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
6286 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
6287 into separate files.
6288 (DEF_GOMP_BUILTIN): New.
6289 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
6290 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
6291 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
6292 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
6293 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
6294 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
6295 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
6296 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
6297 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
6298 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
6299 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
6300 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
6301 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
6302 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
6303 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
6304 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
6305 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
6306 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
6307 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
6308 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
6309 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
6310 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
6311 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
6312 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
6313 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
6314 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
6315 * sync-builtins.def: New file, moved from builtins.def.
6316 * omp-builtins.def: New file, moved from builtins.def.
6317 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
6318 * gimple-low.c (lower_function_body): Clear data.
6319 (lower_stmt): Do not handle COMPOUND_EXPR.
6320 Remove call to print_node_brief.
6321 * c-tree.h (c_finish_omp_clauses): New prototype.
6322 (C_DECL_THREADPRIVATE_P): Define.
6323 (lookup_name_no_remap, c_omp_remap_private): Remove
6324 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
6325 (check_for_loop_decls): Update decl.
6326 (lookup_name_no_remap, c_omp_remap_private): Declare.
6327 (build_indirect_ref, build_modify_expr, pushdecl,
6328 pushdecl_top_level): Move to c-common.h.
6329 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
6330 before the switch, but just in the 2 places that need it.
6331 * c-decl.c (diagnose_mismatched_decls): Do not check for
6332 mismatched thread-local attributes when OLDDECL is marked
6333 threadprivate and NEWDECL has no thread-local attributes.
6334 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
6335 (c_gimple_diagnostics_recursively): Rename from
6336 c_warn_unused_result_recursively. Invoke
6337 diagnose_omp_structured_block_errors.
6338 (check_for_loop_decls): Return a singular decl found.
6339 * langhooks.c (lhd_omp_predetermined_sharing): Return
6340 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
6341 (lhd_omp_firstprivatize_type_sizes): New.
6342 (lhd_omp_assignment): New.
6343 (lhd_omp_predetermined_sharing): New.
6344 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
6345 (struct lang_hooks_for_types): Add
6346 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
6347 omp_predetermined_sharing, omp_disregard_value_expr,
6348 omp_private_debug_clause, omp_clause_default_ctor,
6349 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
6350 (c_finish_omp_clauses): New.
6351 (c_finish_bc_stmt): Diagnose break within omp for.
6352 (c_begin_omp_parallel, c_finish_omp_parallel): New.
6353 (build_unary_op): Return error_mark after reporting
6355 (build_modify_expr): Likewise.
6356 * gimplify.c: Include optabs.h and pointer-set.h.
6357 (enum gimplify_omp_var_data): Declare.
6358 (struct gimplify_omp_ctx): Declare.
6359 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
6361 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
6362 (push_gimplify_context, pop_gimplify_context): Allow nesting.
6363 (splay_tree_compare_decl_uid): New.
6364 (new_omp_context): New.
6365 (delete_omp_context): New.
6366 (gimple_add_tmp_var): Call omp_add_variable.
6367 (gimplify_bind_expr): Likewise.
6368 (gimplify_var_or_parm_decl): If omp_notice_variable returned
6369 true, disregard DECL_VALUE_EXPR on the decl if any.
6370 (gimplify_expr_in_ctx): New.
6371 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
6372 omp_add_variable, omp_notice_variable, omp_is_private
6373 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
6374 gimplify_adjust_omp_clauses, gimplify_omp_parallel
6375 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
6376 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
6377 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
6378 gimplify_omp_atomic): New.
6379 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
6380 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
6381 OMP_CRITICAL and OMP_ATOMIC.
6382 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
6383 * c-pragma.h (enum pragma_kind): Add
6384 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
6385 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
6386 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
6387 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
6388 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
6389 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
6390 PRAGMA_OMP_THREADPRIVATE.
6391 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
6392 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
6393 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
6394 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
6395 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
6396 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
6397 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
6398 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
6399 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
6400 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
6401 * tree-ssa-dce.c (find_control_dependence): Do not assume that
6402 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
6403 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
6405 (struct nesting_info): Add field_map,
6406 suppress_expansion, debug_var_chain.
6407 (create_nesting_tree): Initialize them.
6408 (lookup_field_for_decl): Use field_map.
6409 (get_nonlocal_debug_decl, get_local_debug_decl): New.
6410 (convert_local_omp_clauses): New.
6411 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
6412 (walk_body): Split out of walk_function.
6413 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
6414 (convert_nonlocal_reference): Handle omp statements.
6415 (convert_local_reference): Likewise.
6416 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
6417 (unnest_nesting_tree): New.
6418 (lower_nested_functions): Call it.
6419 (insert_field_into_struct): Make extern.
6420 (struct walk_stmt_info): Move to tree-gimple.h.
6421 (walk_stmts): Make extern.
6422 * omp-builtins.def: New file.
6423 * tree-iterator.c (expr_only): Clarify comment.
6424 * c-common.h (pushdecl_top_level, pushdecl,
6425 build_modify_expr, build_indirect_ref,
6426 c_finish_omp_master, c_finish_omp_critical,
6427 c_finish_omp_ordered, c_finish_omp_barrier,
6428 c_finish_omp_atomic, c_finish_omp_flush,
6429 c_finish_omp_for, c_split_parallel_clauses,
6430 omp_clause_default_kind, c_omp_sharing_predetermined,
6431 c_omp_remap_decl): Declare.
6432 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
6433 (OBJS-common): Add omp-low.o.
6434 (c-omp.o, omp-low.o): Add.
6435 (gimplify.o): Add dependency on $(OPTABS_H).
6436 (GTFILES): Add omp-low.c.
6437 (gt-stringpool.h): Add.
6438 * tree-cfg.c (set_bb_for_stmt): Do not update the
6439 block-to-labels map if we are currently expanding to RTL.
6440 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
6442 Handle IDENTIFIER_NODE.
6443 (tree_verify_flow_info): Do not ICE when emitting error
6444 messages about invalid labels.
6445 (dump_function_to_file): Reset CFUN before emitting the body
6447 (debug_function): New.
6448 * passes.c (init_optimization_passes): Schedule
6450 * langhooks-def.h (lhd_omp_predetermined_sharing,
6451 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
6453 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
6454 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
6455 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
6456 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
6457 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
6458 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
6459 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
6460 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
6461 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
6462 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
6463 (LANG_HOOK_DECLS): Use them.
6465 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
6466 Richard Henderson <rth@redhat.com>
6467 Jakub Jelinek <jakub@redhat.com>
6468 Diego Novillo <dnovillo@redhat.com>
6470 * c-parser.c (pragma_omp_clause): Define.
6471 (c_parser_declaration_or_fndef): Document OpenMP syntax.
6472 (c_parser_compound_statement): Likewise.
6473 (c_parser_statement): Likewise.
6474 (c_parser_pragma): Handle omp pragmas.
6475 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
6476 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
6477 (c_parser_omp_clause_name, check_no_duplicate_clause,
6478 c_parser_omp_variable_list,
6479 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
6480 c_parser_omp_clause_copyprivate,
6481 c_parser_omp_clause_default,
6482 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
6483 c_parser_omp_clause_lastprivate,
6484 c_parser_omp_clause_nowait,
6485 c_parser_omp_clause_num_threads,
6486 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
6487 c_parser_omp_clause_reduction,
6488 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
6489 c_parser_omp_all_clauses, c_parser_omp_structured_block,
6490 c_parser_omp_atomic, c_parser_omp_barrier,
6491 c_parser_omp_critical, c_parser_omp_flush,
6492 c_parser_omp_for_loop, c_parser_omp_for,
6493 c_parser_omp_master, c_parser_omp_ordered,
6494 c_parser_omp_sections_scope, c_parser_omp_sections,
6495 c_parser_omp_parallel, c_parser_omp_single,
6496 c_parser_omp_construct, c_parser_omp_threadprivate): New.
6497 * c-pragma.c (init_pragma): Do omp pragma registration here.
6498 * c.opt (fopenmp): New flag.
6500 2006-01-18 Eric Christopher <echristo@apple.com>
6502 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
6503 * config/darwin.h (GOMP_SELF_SPECS): Define.
6505 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
6507 * rtl.h: Remove the prototype for reg_alloc.
6509 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6512 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
6513 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
6514 sjlj and dwarf2 exception handling.
6515 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
6516 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
6517 * pa/pa.c (function_value): Treat complex and vector types as
6519 (function_arg): Likewise. Only pass scalar floats in the floating
6520 point argument registers.
6521 * pa/t-slibgcc-dwarf-ver: New file.
6522 * pa/t-slibgcc-sjlj-ver: New file.
6523 * pa/t-slibgcc-elf-ver: Delete file.
6525 2006-01-19 Alan Modra <amodra@bigpond.net.au>
6527 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
6528 unlikely_test_section_p test.
6530 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
6532 * mode-switching.c (optimize_mode_switching): Make it static.
6533 * basic-block.h: Remove the prototype for
6534 optimize_mode_switching.
6536 * modulo-sched.c (sms_schedule): Make it static.
6537 * rtl.h: Remove the prototype for sms_schedule.
6539 * postreload-gcse.c (gcse_after_reload_main): Make it static.
6540 * rtl.h: Remove the prototype for gcse_after_reload_main.
6542 * reg-stack.c (reg_to_stack): Make it static.
6543 * rtl.h: Remove the prototype for reg_to_stack.
6545 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
6547 * rtl.h: Remove the prototypes for regrename_optimize and
6548 copyprop_hardreg_forward.
6550 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
6552 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
6553 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
6554 Test against the appropriate null constant for the mode.
6555 If 'fixup_overlap' is true, swap the operands if they overlap.
6556 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
6557 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
6558 alpha_split_tmode_pair and adjust for above change.
6559 * config/alpha/alpha.md (movtf_internal): Adjust call to
6560 alpha_split_tfmode_pair and rely on it to swap the operands.
6561 (movti_internal): New insn and post-reload splitter.
6562 (movti): New expander.
6564 2006-01-18 Philippe De Muyter <phdm@macqel.be>
6566 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
6569 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
6571 * rtlanal.c (global_reg_mentioned_p_1,
6572 global_reg_mentioned_p): Remove.
6573 * rtl.h: Remove the prototype for global_reg_mentioned_p.
6575 * flow.c (initialize_uninitialized_subregs): Make it static.
6576 * rtl.h: Remove the prototype for
6577 initialize_uninitialized_subregs.
6579 * function.c (instantiate_virtual_regs): Make it static.
6580 * function.h: Remove the prototype for
6581 instantiate_virtual_regs.
6583 * regmove.c (regmove_optimize, combine_stack_adjustments):
6585 * rtl.h: Remove the prototypes for regmove_optimize and
6586 combine_stack_adjustments.
6588 2006-01-17 Roger Sayle <roger@eyesopen.com>
6590 * config/i386/i386.c (COSTS_N_BYTES): New macro.
6591 (size_cost): Encode costs in bytes so that a reg-reg addition is
6592 equivalent to COSTS_N_INSNS(1).
6593 (override_options): Use the size_cost.branch_cost as the default
6594 ix86_branch_cost when optimizing for size.
6596 2006-01-18 Ben Elliston <bje@au.ibm.com>
6598 * Makefile.in (D32PBIT_FUNCS): New.
6599 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
6600 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
6601 D64PBIT_FUNCS and D128PBIT_FUNCS.
6602 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
6603 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
6605 (decnumber_dep): Define.
6606 * doc/libgcc.texi (Decimal float library routines): New node.
6607 * config/dfp-bit.h, config/dfp-bit.c: New files.
6609 2006-01-18 Ben Elliston <bje@au.ibm.com>
6611 * expr.c (emit_move_change_mode): Always adjust addresses, not
6612 just during reload. Copy replacements only during reload.
6613 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
6614 emit_move_via_integer.
6616 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
6618 * Makefile.in (check-%, check-consistency): Use $${srcdir}
6619 instead of $(srcdir) and ${srcdir}.
6621 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
6625 * arm.h (struct machine_function): Add pic_reg.
6626 * arm.c (arm_pic_register): Make unsigned.
6627 (arm_override_options): Only set arm_pic_register if
6628 TARGET_SINGLE_PIC_BASE.
6629 (use_return_insn): Only test for a pic register if it is fixed.
6630 (arm_compute_save_reg0_reg12_mask): Likewise.
6631 (thumb_compute_save_reg_mask): Likewise.
6632 (legitimate_pic_operand): Factor out some known invariants.
6633 (legitimize_pic_address): If we don't have a fixed pic register,
6634 then set up a pseudo in the function entry sequence. Handle the
6635 pic base being in a pseudo.
6636 (arm_load_pic_register): Handle the pic register being in a pseudo.
6637 (arm_expand_prologue): Only set up the pic register if it is fixed.
6638 (thumb_expand_prologue): Likewise.
6639 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
6640 (pic_load_addr_based_insn): Likewise.
6641 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
6644 2006-01-18 Ben Elliston <bje@au.ibm.com>
6646 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
6647 decimal float modes for all floating point registers.
6649 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
6650 match_code "mem" with match_test "macho_lo_sum_memory_operand".
6652 2006-01-17 Jakub Jelinek <jakub@redhat.com>
6655 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
6656 even when the pointer is not NULL.
6658 2006-01-16 Ian Lance Taylor <ian@airs.com>
6660 * common.opt (ftoplevel-reorder): New option.
6661 * cgraph.c (cgraph_asm_nodes): New global variable.
6662 (cgraph_asm_last_node): New static variable.
6663 (cgraph_order): New global variable.
6664 (cgraph_create_node): Set new order field.
6665 (cgraph_varpool_node): Likewise.
6666 (decide_is_variable_needed): Return true if not
6667 flag_toplevel_reorder.
6668 (cgraph_add_asm_node): New function.
6669 * cgraph.h (struct cgraph_node): Add order field.
6670 (struct cgraph_varpool_node): Add order field.
6671 (struct cgraph_asm_node): Define.
6672 (cgraph_asm_nodes, cgraph_order): Declare.
6673 (cgraph_add_asm_node): Declare.
6674 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
6676 (cgraph_varpool_assemble_pending_decls): Call it.
6677 (cgraph_output_pending_asms): New static function.
6678 (cgraph_finalize_compilation_unit): Call it.
6679 (struct cgraph_order_sort): Define.
6680 (cgraph_output_in_order): New static function.
6681 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
6682 !flag_toplevel_reorder case.
6683 * c-parser.c: Include "cgraph.h".
6684 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
6686 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
6687 than -fno-unit-at-a-time.
6688 * doc/invoke.texi (Option Summary): Mention
6689 -fno-toplevel-reorder.
6690 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
6691 -funit-at-a-time documentation.
6693 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
6694 Kazu Hirata <kazu@codesourcery.com>
6696 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
6698 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
6700 * Makefile.in (FUNCTION_H): New. Use it instead of
6701 function.h throughout the file.
6702 * function.h: Include tree.h.
6704 2006-01-17 Ben Elliston <bje@au.ibm.com>
6706 * recog.c: Separate some functions with whitespace.
6708 2006-01-16 Richard Henderson <rth@redhat.com>
6710 Merge from gomp branch:
6711 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
6712 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
6713 and rename from struct inline_data. Rename callee* to dst*;
6714 caller* to src*; add copy_decl hook, transform_call_graph_edges,
6715 transform_new_cfg, transform_return_to_modify, and
6716 transform_lang_insert_block flags; remove cloning_p, versioning_p,
6718 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
6719 (copy_decl_for_dup): Remove.
6720 * tree-inline.c (struct inline_data): Move to header.
6721 (insert_decl_map): Export.
6722 (remap_decl): Update for member name changes. Use copy_decl hook.
6723 Allow for replacement to be a non-decl. Remove dead code.
6724 (remap_type_1): Check for existing mapping.
6725 (remap_type): Export.
6726 (remap_decls): Update for member name changes.
6727 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
6728 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
6729 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
6730 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
6731 (tree_function_versioning, build_duplicate_type): Likewise.
6732 (copy_body_r): Likewise. Export.
6733 (copy_decl_for_dup): Split into ...
6734 (copy_decl_for_dup_finish, copy_decl_to_var,
6735 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
6736 (replace_ref_tree, inlining_p): Remove.
6738 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
6740 * ifcvt.c (if_convert): Make it static.
6741 * rtl.h: Remove the prototype for if_convert.
6743 * local-alloc.c (local_alloc): Make it static.
6744 * rtl.h: Remove the prototype for local_alloc.
6746 * loop.c (loop_optimize): Make it static.
6747 * cfgloop.h: Remove the prototype for loop_optimize.
6750 2006-01-16 DJ Delorie <dj@redhat.com>
6752 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
6755 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6757 * pa.md: Disparage copies between general and floating-point registers
6758 in 32-bit move patterns.
6760 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
6763 * Makefile.in (check-%): Depend on site.exp instead of
6764 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
6767 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
6769 * global.c (global_alloc): Make it static.
6770 * rtl.h: Remove the prototype for global_alloc.
6772 2006-01-16 Richard Guenther <rguenther@suse.de>
6774 * tree-ssa-alias.c (struct used_part): Add write_only field.
6775 (get_or_create_used_part_for): Initialize it to true.
6776 (create_overlap_variables_for): Don't create structure variables
6777 for structures that only are written to.
6778 (find_used_portions): Handle MODIFY_EXPR to track whether a
6779 structure is only written to.
6781 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
6783 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
6785 * basic-block.h: Remove the prototype for
6786 partition_hot_cold_basic_blocks.
6788 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
6790 * cppspec.c (lang_specific_spec_functions): Remove.
6791 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
6792 * gcc.h (lang_specific_spec_functions): Remove.
6793 * gccspec.c (lang_specific_spec_functions): Remove.
6795 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
6797 * combine.c (record_value_for_reg): Invalidate registers
6799 (record_dead_and_set_regs_1): Likewise, by passing them to
6800 record_value_for_reg.
6801 (record_dead_and_set_regs): Invalidate stores made by a
6802 call. We do not combine across a call, but we still
6803 relied on equivalences.
6805 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
6807 * tree-vrp.c (extract_range_from_binary_expr): Cope with
6808 vrp_int_const_binop returning non-constant nodes.
6810 2006-01-16 Paul Brook <paul@codesourcery.com>
6812 * config/m68k/m68k.c (output_move_const_into_data_reg):
6813 Output correct mnemonic for mvz and mvs.
6815 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
6817 * rtl-factoring.c: Add sequence abstraction algorithm.
6818 * cfgcleanup.c (outgoing_edges_match): Extra checks.
6819 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
6821 (block_has_preserve_label): New function.
6822 * common.opt: Register new pass.
6823 * Makefile.in: Ditto.
6825 * timevar.def: Ditto.
6826 * tree-pass.h: Ditto.
6827 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
6828 * rtl.h (make_jump_insn_raw): Add forward decl.
6829 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
6831 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
6832 Roger Sayle <roger@eyesopen.com>
6834 * fold-const.c (fold_minmax): New static function.
6835 (fold_binary) <MIN_EXPR>: Call it.
6836 <MAX_EXPR>: Likewise.
6837 * stor-layout.c (place_field): Use DECL_SIZE consistently
6838 in the computation of the new record size.
6840 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
6842 * cse.c (cse_condition_code_reg): Make it static.
6843 * rtl.h: Remove the prototype for cse_condition_code_reg.
6845 * combine.c (combine_instructions): Make it static.
6846 * rtl.h: Remove the prototype for combine_instructions.
6848 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6851 * tree.c (get_file_function_name_long): Concatenate the first global
6852 object name with a string derived from the input filename of the object
6855 2006-01-16 Ben Elliston <bje@au.ibm.com>
6857 * config/i386/winnt-stubs.c: Update FSF address.
6858 * config/xtensa/ieee754-df.S: Ditto.
6859 * config/xtensa/ieee754-sf.S: Ditto.
6861 2006-01-14 Ian Lance Taylor <ian@airs.com>
6863 * ifcvt.c (noce_init_if_info): New static function, broken out of
6864 noce_process_if_block.
6865 (noce_process_if_block): Call noce_init_if_info.
6866 (check_cond_move_block): New static function.
6867 (cond_move_process_if_block): New static function.
6868 (process_if_block): Call cond_move_process_if_block.
6870 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
6872 * cselib.c (hash_table): Rename to cselib_hash_table.
6873 (cselib_clear_table, discard_useless_values,
6874 remove_useless_values, cselib_lookup_mem, cselib_lookup,
6875 cselib_init, cselib_finish): Adjust uses of hash_table.
6877 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
6879 PR tree-optimization/25485
6880 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
6881 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
6882 is known to be false and true, respectively.
6884 2006-01-14 Richard Guenther <rguenther@suse.de>
6886 PR tree-optimization/22548
6887 PR tree-optimization/22555
6888 PR tree-optimization/22501
6889 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
6890 * params.def (salias-max-array-elements): New parameter.
6891 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
6892 * doc/invoke.texi (salias-max-array-elements): Document.
6893 * tree-flow-inline.h (var_can_have_subvars): We also handle
6895 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
6897 * tree-ssa-structalias.c (params.h): Include.
6898 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
6899 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
6900 (get_constraint_for): For ADDR_EXPR operating on something
6901 containing an ARRAY_REF, add all subvars to the solution.
6902 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
6903 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
6904 for creating MUST_DEFs.
6905 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
6907 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
6909 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
6911 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
6912 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
6913 number_of_iterations_le): New functions.
6914 (number_of_iterations_special): Removed.
6915 (number_of_iterations_exit): Do not use number_of_iterations_special.
6916 * tree.c (unsigned_type_for): Always return integer type.
6918 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
6919 Richard Guenther <rguenther@suse.de>
6921 PR rtl-optimization/24257
6922 * gcse.c (find_moveable_store): Only consider a store movable
6923 when the SET_SRC of the insn can be assigned to a register.
6925 2006-01-14 Ian Lance Taylor <ian@airs.com>
6927 * tree.c (tree_not_class_check_failed): New function.
6928 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
6929 (tree_not_class_check_failed): Declare.
6931 2006-01-13 Ian Lance Taylor <ian@airs.com>
6933 * reload1.c (do_output_reload): Add assertion rejecting a
6936 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
6938 * combine.c (struct reg_stat): Add new fields truncation_label and
6940 (record_value_for_reg): Reset truncated_to_mode.
6941 (record_truncated_value): New function.
6942 (check_promoted_subreg): Call it. Rename to check_conversions.
6943 (combine_instructions): Rename check_promoted_subreg to
6945 (reg_truncated_to_mode): New function.
6946 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
6947 (gen_lowpart_or_truncate): New function.
6948 (force_to_mode): Use it instead of gen_lowpart.
6950 2006-01-13 Diego Novillo <dnovillo@redhat.com>
6952 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
6953 VAR is a tag, not its type tag.
6955 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
6957 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
6958 alternatives to match style of other entries.
6959 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
6961 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
6963 PR tree-optimization/25771
6964 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
6967 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
6970 * tree-inline.c (declare_return_variable): If the return variable
6971 was marked as a non gimple complex, set the return slot variable
6972 to be a non gimple comple variable.
6974 2006-01-13 Richard Guenther <rguenther@suse.de>
6976 * builtins.c (expand_builtin_sincos): New function.
6977 (expand_builtin_mathfn_3): Remove dead code, sin and cos
6979 (expand_builtin): Expand sincos using expand_builtin_sincos.
6981 2006-01-12 DJ Delorie <dj@redhat.com>
6983 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
6984 shift counts, separate SI shifts for m32c vs m16c, pass shift type
6985 so that constant shifts can be split.
6986 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
6987 (m32c_valid_pointer_mode): Make static.
6988 (shift_gen_func_for): New.
6989 (m32c_prepare_shift): Use it. Split large const shifts into
6991 * config/m32c/predicates.md (shiftcount_operand): Allow more
6993 (longshiftcount_operand): New.
6994 * doc/md.texi (Machine Constraints): Document In6.
6996 2006-01-13 Ben Elliston <bje@au.ibm.com>
6998 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
6999 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
7002 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
7004 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
7005 to try to avoid clobbering pieces of structures when we know
7006 something about the whole structure.
7007 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
7009 2006-01-13 Ben Elliston <bje@au.ibm.com>
7011 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
7012 return in memory, as this is no limitation is no longer present.
7014 2006-01-12 DJ Delorie <dj@redhat.com>
7016 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
7017 mova with fb, and for fb+0 -> An.
7019 * config/m32c/mov.md (peephole2): Fix enabling logic.
7021 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
7022 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
7023 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
7024 FINI_ARRAY_SECTION_ASM_OP): Define.
7026 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
7028 (m32c_legitimize_reload_address): New logic to reload FB to An.
7029 (m32c_output_reg_push): Add newline.
7030 (m32c_output_reg_pop): Likewise.
7032 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
7034 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
7036 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
7038 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
7040 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7042 * config/sh/predicates.md (sh_rep_vec): Add parallel to
7045 2006-01-11 Ben Elliston <bje@au.ibm.com>
7047 * rtlanal.c (find_reg_note): Assert insn is not null.
7049 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
7051 * df-scan.c (df_hard_reg_init): Move declaration of i outside
7054 2006-01-11 Jeff Law <law@redhat.com>
7056 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
7058 (mark_threaded_blocks, register_jump_thread): New functions.
7059 (thread_through_all_blocks): Remove unwanted argument. No
7060 longer rely on e->aux to communicate thread target info.
7061 Call mark_threaded_blocks. Release the threaded_blocks
7062 bitmap and threaded_edges vector when complete.
7063 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
7064 (threaded_blocks): Remove.
7065 (tree_ssa_dominator_optimize): Remove initialization and
7066 finalization of threaded_blocks. Simplify call to
7067 thread_through_all_blocks.
7068 (thread_across_edge): Call register_jump_thread rather than
7069 storing thread information into e->aux.
7070 (free_all_edge_infos): Simplify now that e->aux is no longer
7071 used to communicate with thread_through_all_blocks.
7072 * tree-flow.h (thread_through_all_blocks): Update prototype.
7073 (register_jump_thread): Prototype.
7075 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7077 * df-core.c (df_compact_blocks, df_bb_replace): Use
7078 SET_BASIC_BLOCK instead of BASIC_BLOCK.
7080 2006-01-11 Richard Guenther <rguenther@suse.de>
7082 PR tree-optimization/25734
7083 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
7084 stop propagation after successful propagation to the LHS.
7086 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7088 * basic-block.h (control_flow_graph): Change the type of
7089 x_basic_block_info to VEC(basic_block,gc) *.
7090 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
7092 (SET_BASIC_BLOCK): New.
7093 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
7094 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
7095 * cfgbuild.c (find_basic_blocks): Likewise.
7096 * cfglayout.c (fixup_reorder_chain): Likewise.
7097 * cfgrtl.c (create_basic_block_structure,
7098 rtl_create_basic_block): Likewise.
7099 * ifcvt.c (find_if_case_1): Likewise.
7100 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
7103 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
7105 * Makefile.in: Removed rotted odf.c entry.
7107 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
7110 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
7111 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
7112 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
7113 output pattern modifier, not %e.
7114 * config/cris/cris.c (cris_op_str): Update comment about pattern
7116 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
7117 before falling through into...
7118 <case 'E'>: Redefined from old 'e' case.
7120 2006-01-11 Jan Hubicka <jh@suse.cz>
7123 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
7125 2006-01-11 Jan Hubicka <jh@suse.cz>
7127 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
7128 * i386.c (x86_decompose_lea): Kill.
7129 (ix86_rtx_costs): Kill.
7131 2006-01-11 Jan Hubicka <jh@suse.cz>
7133 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
7134 * cgraph.h (cgraph_node): Add inline_decl.
7135 (cgraph_insert_node_to_hashtable): Declare.
7136 (save_inline_function_body): Declare.
7137 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
7139 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
7140 (cgraph_function_versioning): Update call of tree_function_versioning.
7141 (save_inline_function_body): New function.
7142 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
7143 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
7144 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
7145 (cgraph_default_inline_p): Likewise.
7146 (cgraph_decide_inlining_incrementally): Likewise.
7147 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
7148 (copy_bb): Kill saving; do updating of clones.
7149 (copy_cfg_body): Kill saving.
7150 (initialize_inlined-parameters): Likewise.
7151 (expand_call_inline): Likewise.
7153 (tree_function_versioning): New parameter "update_clones".
7154 (inlining_p): Kill saving.
7155 * tree-inline.h (tree_function_versioning): Update prototype.
7156 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
7159 2006-01-11 Ian Lance Taylor <ian@airs.com>
7161 * combine.c (struct undo): Remove is_int. Enumify types of undos.
7162 Allow undoing set of machine mode.
7163 (do_SUBST): Use enums instead of is_int.
7164 (do_SUBST_MODE): New function.
7165 (SUBST_MODE): New macro.
7166 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
7167 reg and trying to replace reg_regno_rtx with a new register.
7168 (undo_all): Use new enums, handle undoing a PUT_MODE change.
7169 (simplify_set): Use SUBST_MODE.
7170 (distribute_notes): Remove code that tried to update reg notes
7171 for regno_reg_rtx changes.
7173 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
7175 PR tree-optimization/23109
7176 PR tree-optimization/23948
7177 PR tree-optimization/24123
7179 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
7180 * tree-cfg.c (single_noncomplex_succ): New.
7181 * tree-flow.h (single_noncomplex_succ): Declare it.
7182 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
7183 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
7184 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
7185 insert_bb, register_division_in, insert_reciprocals,
7186 replace_reciprocal, free_bb): New.
7187 (execute_cse_reciprocals_1): Rewritten.
7188 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
7189 Do not commit any edge insertion. Always compute dominators and
7190 create the allocation pool.
7191 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
7192 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
7193 * targhooks.c (default_min_divistions_for_recip_mul): New.
7194 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
7195 * passes.c (init_optimization_passes): Run recip after tree loop
7197 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
7199 2006-01-11 Danny Berlin <dberlin@dberlin.org>
7200 Kenneth Zadeck <zadeck@naturalbridge.com>
7202 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
7203 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
7204 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
7205 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
7206 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
7207 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
7208 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
7209 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
7210 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
7211 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
7212 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
7213 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
7214 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
7215 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
7216 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
7217 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
7218 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
7219 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
7220 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
7221 DF_SCAN_POST_ALLOC): New macros.
7222 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
7223 df_free_bb_function, df_local_compute_function, df_init_function,
7224 df_dataflow_function, df_confluence_function_0,
7225 df_confluence_function_n, df_transfer_function,
7226 df_finalizer_function, df_free_function, df_dump_problem_function,
7227 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
7228 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
7229 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
7230 df_urec_bb_info, ) New types.
7231 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
7233 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
7234 df_analyze_simple_change_some_blocks,
7235 df_analyze_simple_change_one_block, df_compact_blocks,
7236 df_bb_replace, df_bb_regno_last_use_find,
7237 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
7238 df_insn_regno_def_p, df_find_def, df_find_use,
7239 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
7240 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
7241 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
7242 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
7243 debug_df_chain, df_get_dependent_problem, df_chain_create,
7244 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
7245 df_grow_bb_info, df_chain_dump, df_print_bb_index,
7246 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
7247 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
7248 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
7249 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
7250 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
7251 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
7252 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
7253 df_ref_remove, df_insn_refs_delete, df_refs_delete,
7254 df_reorganize_refs, df_set_state, df_hard_reg_init,
7255 df_read_modify_subreg_p) New public functions.
7256 * df-core.c: The core dataflow solver and glue routines for rtl
7258 (df_init, df_add_problem, df_set_blocks, df_finish,
7259 df_hybrid_search_forward, df_hybrid_search_backward,
7260 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
7261 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
7262 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
7263 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
7264 df_reg_defined, df_find_use, df_reg_used, df_dump,
7265 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
7266 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
7267 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
7268 debug_df_useno, reset_df_after_reload): New functions.
7269 * df-scan.c: The scanning fuctions, once in df.c, completely
7270 rewritten so that they now fully model the functionality of
7271 register usage at the backend.
7272 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
7273 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
7274 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
7275 df_grow_insn_info, df_rescan_blocks, df_ref_create,
7276 df_get_artificial_defs, df_get_artificial_uses,
7277 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
7278 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
7279 df_refs_delete, df_reorganize_refs, df_set_state,
7280 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
7281 df_def_record_1, df_defs_record, df_uses_record,
7282 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
7283 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
7284 df_record_exit_block_uses, df_hard_reg_init): New functions.
7286 * df-problems.c: Seven concrete dataflow problems that use the
7287 scanning in df-scan.c and are solved by the engine in df-core.c.
7288 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
7289 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
7290 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
7291 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
7292 df_ru_free_bb_info, df_ru_alloc,
7293 df_ru_bb_local_compute_process_def,
7294 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
7295 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
7296 df_ru_transfer_function, df_ru_free, df_ru_dump,
7297 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
7298 df_rd_free_bb_info, df_rd_alloc,
7299 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
7300 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
7301 df_rd_transfer_function, df_rd_free, df_rd_dump,
7302 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
7303 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
7304 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
7305 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
7306 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
7307 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
7308 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
7309 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
7310 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
7311 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
7312 df_urec_mark_reg_change, df_urec_check_earlyclobber,
7313 df_urec_mark_reg_use_for_earlyclobber,
7314 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
7315 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
7316 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
7317 df_urec_dump, df_urec_add_problem, df_chain_alloc,
7318 df_chain_create_bb_process_use, df_chain_create_bb,
7319 df_chain_finalize, df_chain_free, df_chains_dump,
7320 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
7321 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
7322 df_reg_lifetime): New functions.
7323 * df.c: Deleted file.
7324 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
7325 consistent with new df api.
7326 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
7327 rest_of_handle_sms): Ditto.
7328 * web.c (unionfind_union, union_defs, entry_register, web_main):
7330 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
7331 invariant_expr_equal_p, find_defs, check_dependencies,
7332 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
7333 free_inv_motion_data, move_loop_invariants): Ditto.
7334 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
7335 Update dependencies.
7336 (odf.c): Added defective entry that was deleted later in day.
7337 * sched-deps.c (sched_analyze_1): Ditto.
7339 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
7341 * tree-ssa-operands.c (get_expr_operands): Record addressable
7342 variables directly. Do not call add_stmt_operands for CONST_DECLs
7344 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
7345 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
7347 2006-01-11 Ben Elliston <bje@au.ibm.com>
7349 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
7350 function returns true in the positive case.
7352 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7355 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
7356 for SI, DI, SF and DF modes. Add alternatives to copy between
7357 general and floating point registers to the 32-bit patterns.
7358 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
7359 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
7360 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
7361 generating 64-bit code.
7362 * config/pa/pa.c (output_move_double): Handle copies between general
7363 and floating registers.
7365 2006-01-10 Stuart Hastings <stuart@apple.com>
7367 * config/i386/i386.md (set_got): Update.
7368 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
7369 (builtin_setjmp_receiver): Mach-O support.
7370 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
7371 (GOT_SYMBOL_NAME): Define.
7372 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
7373 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
7374 * config/i386/i386.c (override_options): Revise for Darwin.
7375 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
7376 support. (darwin_x86_file_end): New. (output_set_got): Add label
7377 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
7378 * config/i386/i386-protos.h (output_set_got): Likewise.
7379 * config/darwin.c (machopic_legitimize_pic_address): Update
7382 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
7384 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
7385 when MODE isn't BLKmode.
7387 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7389 PR rtl-optimization/25367
7390 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
7392 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
7395 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
7396 for a negative bound.
7398 2006-01-10 Richard Guenther <rguenther@suse.de>
7400 * tree-ssa-structalias.c (get_constraint_for_component_ref):
7401 Never override with anything constraint.
7403 2006-01-10 Jan Beulich <jbeulich@novell.com>
7405 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
7406 256 bits when optimize_size.
7408 2006-01-10 Jan Beulich <jbeulich@novell.com>
7410 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
7412 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
7413 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
7416 2006-01-10 Ben Elliston <bje@au.ibm.com>
7418 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
7420 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
7421 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
7422 (USE_FP_FOR_ARG): Reject decimal float modes.
7423 (function_arg_advance): Likewise.
7424 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
7425 (rs6000_handle_altivec_attribute): Do not permit decimal floating
7426 point types in AltiVec vectors.
7427 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
7428 (rs6000_libcall_value): Likewise.
7430 2006-01-09 Bob Wilson <bob.wilson@acm.org>
7432 * config/xtensa/ieee754-df.S: New file.
7433 * config/xtensa/ieee754-sf.S: New file.
7434 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
7435 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
7436 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
7438 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
7440 * config/sh/predicates.md (binary_float_operator,
7441 binary_logical_operator, commutative_float_operator,
7442 equality_comparison_operator, greater_comparison_operator,
7443 less_comparison_operator, logical_operator,
7444 noncommutative_float_operator, shift_operator,
7445 symbol_ref_operand, unary_float_operator): Remove redundant
7448 2006-01-09 Jeff Law <law@redhat.com>
7450 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
7451 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
7452 now unused arguments. Callers updated.
7453 (eliminate_redundant_computations): Remove now unused arguments,
7455 (local_fold): Remove, no longer used.
7456 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
7458 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
7459 (simplify_cond): New function.
7460 (forward_propagate_into_cond): Call simplify_cond.
7462 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
7464 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
7465 (*vec_extractv2di_1_sse): New.
7467 2006-01-09 Ben Elliston <bje@au.ibm.com>
7469 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
7471 2006-01-08 Richard Guenther <rguenther@suse.de>
7473 * tree-ssa-structalias.c (get_constraint_for): Remove
7475 (get_constraint_for_component_ref): Likewise.
7476 (do_deref): Likewise.
7477 (get_constraint_for): Likewise.
7478 (do_structure_copy): Likewise.
7479 (handle_ptr_arith): Likewise.
7480 (find_func_aliases): Likewise. Remove unused need_anyoffset
7483 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
7484 Kaz Kojima <kkojima@gcc.gnu.org>
7486 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
7487 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
7488 (EXTRA_CONSTRAINT_C16): Remove.
7489 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
7490 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
7491 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
7492 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
7493 constants of SHmedia. Handle nested constant expressions of
7495 (andcosts): Fix the costs for SHmedia constants.
7496 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
7497 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
7498 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
7499 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
7500 (movv4hi_i, movv2si_i): Likewise.
7501 (movsi_const): Adjust the second operand of ior so to match with
7503 (movdi_const, movdi_const_32bit): Likewise.
7504 (movdi_const_16bit+1): Don't sign-extend LOW.
7505 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
7507 (*double_shori): Fix the split condition. Use GEN_INT instead
7508 of get_int_mode calls. Mask lower 16-bit of the argument of
7510 (sym2GOTPLT): Remove.
7511 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
7513 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
7514 instead of EXTRA_CONSTRAINT_C16.
7516 2006-01-07 Ian Lance Taylor <ian@airs.com>
7517 David Edelsohn <edelsohn@gnu.org>
7519 PR rtl-optimization/25662
7520 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
7521 for constant operands instead of simplify_gen_binary.
7522 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
7523 after trying simplify_binary_operation
7525 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
7527 * tree.c (iterative_hash_expr): Hash decls based on UID.
7529 2006-01-06 Eric Christopher <echristo@apple.com>
7531 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
7532 (TARGET_UNWIND_EMIT): Fix spelling.
7533 * target.h (gcc_target): Add except_table_label.
7534 * except.c (output_function_exception_table): Use.
7535 * varasm.c (default_emit_except_table_label): New.
7536 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
7538 (asm_out): Add here.
7539 * output.h (default_emit_except_table_label): Prototype.
7540 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
7541 * config/darwin.c (darwin_emit_except_table_label): Define.
7542 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
7544 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
7546 PR tree-optimization/18527
7547 * tree-ssa-loop-niter.c (number_of_iterations_cond,
7548 number_of_iterations_special, number_of_iterations_exit):
7549 Move base and step of an iv to a single structure. Add
7550 no_overflow flag, and use it in # of iterations analysis.
7551 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
7552 folded_casts argument.
7553 (simple_iv): Pass base and step in a structure. Set no_overflow
7555 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
7556 Evaluate expensiveness of computing # of iterations instead of
7557 the final expression.
7558 * tree-scalar-evolution.h (affine_iv): New structure.
7559 (simple_iv): Declaration changed.
7560 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
7561 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
7562 find_givs_in_stmt): Changed due to simple_iv change.
7564 2006-01-06 Jeff Law <law@redhat.com>
7567 * tree-cfg.c (bsi_replace): Rename final argument from
7568 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
7569 change (stmt -> orig_stmt).
7570 * tree-eh.c (verify_eh_throw_stmt_node): New function.
7571 (bsi_remove): Add new argument. Remove EH information
7573 (verify_eh_throw_table_statements): New function.
7574 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
7576 * tree-optimize.c (execute_free_cfg_annotations): Verify
7577 the EH throw statement table after removing annotations.
7578 * except.h (verify_eh_throw_table_statements): Prototype.
7579 * tree-flow.h (bsi_remove): Update prototype.
7580 * tree-vrp.c (remove_range_assertions): Add new argument to
7582 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
7583 * tree-complex.c (expand_complex_div_wide): Likewise.
7584 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
7585 * tree-tailcall.c (eliminate_tailcall): Likewise.
7586 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
7587 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
7588 * tree-nrv.c (tree_nrv): Likewise.
7589 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
7590 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
7591 (combine_blocks): Likewise.
7592 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
7593 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
7594 (cleanup_control_flow): Likewise.
7595 (remove_forwarder_block): Likewise.
7596 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
7597 * tree-sra.c (sra_replace): Likewise.
7598 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
7599 (forward_propagate_single_use_vars): Likewise.
7600 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
7601 * tree-inline.c (expand_call_inline): Likewise.
7602 * tree-vect-transform.c (vect_transform_loop): Likewise.
7603 * tree-outof-ssa.c (rewrite_trees): Likewise.
7604 * tree-cfg.c (make_goto_expr_edges): Likewise.
7605 (cleanup_dead_labels): Likewise.
7606 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
7607 (bsi_move_before, bsi_move_after): Likewise.
7608 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
7609 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
7611 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
7614 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
7616 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
7617 on non gimple variables. Also add checks at the top for decls and
7619 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
7621 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
7622 and IMAGPART_EXPR for creating MUST_DEFs.
7623 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
7624 and NAME_MEMORY_TAG separately from the DECLs.
7626 2006-01-06 Richard Guenther <rguenther@suse.de>
7628 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
7629 annotation, if necessary.
7630 * tree-ssa-pre.c (create_expression_by_pieces): Remove
7631 redundant calls to update_stmt.
7632 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
7635 2006-01-05 Richard Henderson <rth@redhat.com>
7637 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
7639 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
7641 * c-typeck.c: Update copyright date.
7643 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
7645 * c-typeck.c (build_c_cast): Always warn when casting
7646 from a pointer to an integer of different size, even if
7647 the node was constant.
7649 2006-01-05 Richard Guenther <rguenther@suse.de>
7651 PR tree-optimization/22555
7652 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
7653 if one structure field is an array.
7654 * tree-ssa-operands.c (get_expr_operands): Continue scanning
7655 operands even if we found a subvar, but ignore VOPs in this
7657 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
7659 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
7661 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
7664 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
7666 2006-01-05 Richard Guenther <rguenther@suse.de>
7667 Diego Novillo <dnovillo@redhat.com>
7669 * tree-pass.h (TODO_remove_unused_locals): Define.
7670 * gimple-low.c (expand_var_p, remove_useless_vars,
7671 pass_remove_useless_vars): Remove. Update all users.
7672 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
7673 (remove_unused_locals): New function.
7674 * tree-flow.h (remove_unused_locals): Declare.
7675 * passes.c (execute_todo): Call remove_unused_locals if
7676 TODO_remove_unused_locals is set.
7677 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
7678 * tree-ssa-dce.c (pass_dce): Likewise.
7679 * tree-outof-ssa.c (pass_del_ssa): Likewise.
7681 2006-01-05 Richard Guenther <rguenther@suse.de>
7683 * tree-flow.h (struct fieldoff): Decompose field to
7684 type, size and decl.
7685 * tree-ssa-alias.c (create_sft): Take type as parameter.
7686 (create_overlap_variables_for): Store type, size and decl
7687 in the fieldoff structure.
7688 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
7690 (push_fields_onto_fieldstack): Likewise.
7691 (create_variable_info_for): Likewise. Use offset for the
7692 SFT name if the decl is not available.
7694 2006-01-04 Paul Brook <paul@codesourcery.com>
7696 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
7698 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
7700 * lambda-code.c (can_put_in_inner_loop): Relax
7702 (can_put_after_inner_loop): New function.
7703 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
7704 (perfect_nestify): Change to make copies and modify uses.
7706 2006-01-04 Richard Henderson <rth@redhat.com>
7708 Merge from gomp branch:
7709 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
7710 via integer constant.
7711 (pragma_lex): Remove.
7712 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
7713 rather than parsing it.
7714 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
7715 handle_pragma_extern_prefix): Add %< %> quotes.
7716 (registered_pragmas): New.
7717 (c_register_pragma_1): New.
7718 (c_register_pragma): Use it.
7719 (c_register_pragma_with_expansion): Likewise.
7720 (c_invoke_pragma_handler): New.
7721 (init_pragma): Use cpp_register_deferred_pragma directly for
7723 * c-pragma.h (enum pragma_kind): New.
7724 (pragma_handler): New.
7725 (c_invoke_pragma_handler): Declare.
7726 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
7728 * c-common.h (c_common_pch_pragma): Update decl.
7729 * Makefile.in (c-parser.o): Update dependencies.
7730 (GTFILES): Add c-pragma.h.
7731 * c-parser.c (struct c_token): Add pragma_kind.
7732 (struct c_parser): Add in_pragma.
7733 (c_lex_one_token): Always initialize keyword and pragma_kind.
7734 Extract data for CPP_PRAGMA.
7735 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
7736 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
7737 Don't allow CPP_PRAGMA_EOL if in_pragma.
7738 (c_parser_consume_pragma): New.
7739 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
7740 (c_parser_skip_to_end_of_parameter): Likewise.
7741 (c_parser_skip_to_end_of_block_or_statement): Likewise.
7742 (c_parser_skip_to_pragma_eol): New.
7743 (c_parser_external_declaration): Handle CPP_PRAGMA.
7744 (c_parser_compound_statement_nostart): Likewise.
7745 (c_parser_statement_after_labels): Likewise.
7746 (c_parser_pragma): New.
7747 (pragma_lex): Likewise.
7748 (c_parser_pragma_pch_preprocess): New.
7749 (c_parser_new): Merge into ...
7750 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
7752 2006-01-04 Jeff Law <law@redhat.com>
7755 * tree-cfg.c (bsi_replace): Remove the original statement
7756 from the EH throw statement table.
7758 2006-01-04 Jakub Jelinek <jakub@redhat.com>
7760 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
7761 make the prototype extern "C" and add throw ().
7764 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
7765 and pos non-negative and pos + len <= 32.
7766 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
7767 drop pos + len < HOST_BITS_PER_WIDE_INT test.
7768 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
7771 * c-common.c (handle_vector_size_attribute): Reject zero vector size
7772 as well as sizes not multiple of component size.
7775 * function.c (instantiate_expr): New function.
7776 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
7777 walk its DECL_VALUE_EXPR with instantiate_expr.
7779 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
7780 DW_OP_deref{,_size} if address isn't going to be added.
7782 2006-01-04 Ben Elliston <bje@au.ibm.com>
7784 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
7785 * config/fp-bit.c: Likewise.
7787 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
7789 * dominance.c: Add comment about why we use DFS numbering
7792 2006-01-03 Jakub Jelinek <jakub@redhat.com>
7793 Richard Henderson <rth@redhat.com>
7795 Merge from gomp-branch:
7796 * varasm.c (assemble_variable): Handle thread-local COMMON data.
7797 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
7799 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
7801 PR rtl-optimization/25578
7802 * combine.c (combine_simplify_rtx, force_to_mode): Don't
7803 pass a parameter to simplify_shift_const if changing ASHIFTRT
7806 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
7808 * builtins.c (get_builtin_sync_mem): New function.
7809 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
7810 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
7811 Call get_builtin_sync_mem to generate mem rtx.
7813 2006-01-03 Richard Guenther <rguenther@suse.de>
7816 * stmt.c (add_case_node): Make sure to clear overflow flags
7819 2006-01-03 Jakub Jelinek <jakub@redhat.com>
7821 Merge from gomp-branch.
7822 * config/sparc/sync.md: New file.
7823 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
7824 UNSPECV_LDSTUB): New constants.
7825 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
7826 * config/sparc/predicates.md (memory_reg_operand): New predicate.
7827 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
7830 2006-01-03 Roger Sayle <roger@eyesopen.com>
7832 * combine.c (reg_subword_p): New predicate to test whether the
7833 destination of a set refers to a subword/piece of a register.
7834 (try_combine): Generalize the code to merge the setting of a
7835 pseudo to a constant followed by a set of a subword of that
7836 register to a constant.
7838 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
7840 * basic-block.h (control_flow_graph): Change the type of
7841 x_label_to_block_map to VEC(basic_block,gc) *.
7842 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
7843 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
7845 * tree-ssa-propagate.c (cfg_blocks): Change the type to
7846 VEC(basic_block,heap) *.
7847 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
7848 ssa_prop_fini): Adjust the uses of cfg_blocks.
7850 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
7852 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
7854 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
7855 hashing trees instead of a pointer hash.
7856 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
7857 compare for MEM_EXPR.
7859 PR rtl-optimization/25130
7860 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
7861 when comparing MEMs for GCSE
7863 2006-01-03 Ben Elliston <bje@au.ibm.com>
7865 * targhooks.h (default_decimal_float_supported_p): Declare.
7866 * targhooks.c (default_decimal_float_supported_p): Define.
7867 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
7868 `default_decimal_float_supported_p'.
7869 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
7871 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
7873 * combine.c (apply_distributive_law <SUBREG>): Check
7874 TRULY_NOOP_TRUNCATION.
7876 2006-01-02 Geoffrey Keating <geoffk@apple.com>
7878 * dwarf2out.c (have_switched_text_section): Delete.
7879 (have_multiple_function_sections): New.
7880 (have_location_lists): Make 'bool'.
7881 (add_AT_loc_list): Use 'true' not '1'.
7882 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
7883 (output_loc_list): Use have_multiple_function_sections.
7884 (output_ranges): Likewise.
7885 (dwarf2out_begin_function): Set have_multiple_function_sections if
7887 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
7888 Check function_section rather than DECL_SECTION_NAME.
7889 (dwarf2out_finish): Use have_multiple_function_sections.
7890 Don't clear have_location_lists.
7892 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
7893 Jan Hubicka <jh@suse.cz>
7895 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
7896 case of conditional jump jumping to the next instruction.
7897 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
7898 cases of conditional jump jumping to the next instruction.
7900 2006-01-02 Jan Hubicka <jh@suse.cz>
7902 * i386.c (*_cost): Add COSTS_N_INSNS.
7903 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
7905 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
7908 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
7910 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7912 * config/arm/arm.c (all_fpus): Fix comment typo.
7913 * config/darwin.c: Likewise.
7914 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
7915 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
7916 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
7918 2006-01-01 David Edelsohn <edelsohn@gnu.org>
7920 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
7921 (rs6000_split_compare_and_swapqhi): New.
7922 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
7923 (sync_compare_and_swapqhi_internal): New.
7924 * config/rs6000/rs6000-protos.h: Declare.