| blob | 02b3ce744abfd661e60e36f45570685c59f14508 |
1 2006-03-21 Jason Merrill <jason@redhat.com>
3 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5 PR middle-end/20297
6 * expr.c (init_block_move_fn): Force default visibility.
7 (init_block_clear_fn): Likewise.
8 * builtins.c (expand_builtin_fork_or_exec): Likewise.
9 * targhooks.c (default_external_stack_protect_fail): Likewise.
11 2006-03-21 Richard Sandiford <richard@codesourcery.com>
13 * config/mips/predicates.md (const_call_insn_operand): Allow direct
14 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
15 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
16 Use TARGET_OLDABI instead of !TARGET_NEWABI.
17 (loadgp): Use mips_current_loadgp_style.
18 (loadgp_noshared): New pattern.
19 (sibcall_internal): Use MIPS_CALL.
20 (sibcall_value_internal): Likewise.
21 (sibcall_value_multiple_internal): Likewise.
22 (call_internal): Likewise.
23 (call_value_internal): Likewise.
24 (call_value_multiple_internal): Likewise.
25 (call_split): Use MIPS_CALL and add an 'S' constraint.
26 (call_value_split): Likewise.
27 (call_value_multiple_split): Likewise.
28 * config/mips/mips.opt (-mabicalls): Tweak docstring.
29 (-mshared): New option.
30 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
31 (mips_current_loadgp_style): Declare.
32 * config/mips/mips.c (mips_classify_symbol): Avoid using
33 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
34 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
35 TARGET_ABSOLUTE_ABICALLS.
36 (override_options): Adjust comments. Improve the warning that is
37 issued when -mabicalls and -G are used together.
38 (mips_file_start): Remove comment.
39 (mips_current_loadgp_style): New function.
40 (mips_gnu_local_gp): New variable.
41 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
42 LOADGP_ABSOLUTE.
43 (mips_output_function_prologue): Use mips_current_laodgp_style.
44 (mips_expand_prologue): Call mips_emit_loadgp before emitting
45 the cprestore instruction.
46 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
47 live for TARGET_ABSOLUTE_ABICALLS.
48 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
49 (ASM_SPEC): Pass down -mshared and -mno-shared.
50 (MIPS_CALL): New macro.
51 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
52 definition.
53 * doc/invoke.texi (-mabicalls): Update documentation.
54 (-mshared): Document.
56 2006-03-21 Steve Ellcey <sje@cup.hp.com>
58 * config/ia64/unwind-hpux.c: New file.
59 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
61 2006-03-21 Steve Ellcey <sje@cup.hp.com>
63 PR libgomp/26384
64 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
66 2006-03-21 Jeff Law <law@redhat.com>
68 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
69 type conversions of a VR_VARYING source to a wider type.
71 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
73 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
74 tm_file on Solaris 10 and later.
75 (sparc64-*-solaris2*): Likewise.
76 (sparc-*-solaris2*): Likewise.
77 * config/sol26.h: Rename to config/sol2-6.h.
78 * config/sol2-10.h: New file.
80 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
82 PR tree-opt/26781
83 * tree-ssa-pre.c (create_component_ref_by_pieces):
84 Handle STRING_CST.
86 2006-03-21 Jakub Jelinek <jakub@redhat.com>
88 PR c++/26690
89 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
90 return it immediately.
92 2006-03-21 Michael Matz <matz@suse.de>
94 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
95 New members.
96 (remove_arc, add_arc): Update num_out_arcs member.
97 (set_out_arc_insns_equiv_num): Returns nothing instead of number
98 of out arcs.
99 (cache_presence): New function.
100 (compare_states_for_equiv): New function.
101 (state_is_differed): Don't take number of outargs, adjust callers.
102 Use new invariant for speeding up.
103 (init_equiv_class): Create initial classes based on sorted
104 input.
105 (partition_equiv_class): Don't track out_arcs_num.
106 (evaluate_equiv_classes): Call cache_presence on all states and
107 sort them.
109 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
111 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
112 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
113 (bfin_valid_reg_p): Test for pseudos explicitly and use only
114 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
115 callers changed.
116 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
117 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
118 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
119 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
120 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
121 macros.
122 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
123 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
124 (REGNO_REG_CLASS): ARGP is in PREGS.
125 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
126 IREGS.
127 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
128 to deal with those addresses.
129 * addresses.h: New file.
130 * caller-save.c: Include "addresses.h".
131 (init_caller_save): Use new base_reg_class function.
132 * rtl-factoring.c: Include "addresses.h".
133 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
134 * recog.c: Include "addresses.h".
135 (preprocess_constraints): Use new base_reg_class function.
136 * regrename.c: Include "addresses.h".
137 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
138 functions. Keep track of a new var INDEX_CODE to compute valid
139 classes.
140 (replace_oldest_value_addr): Likewise.
141 (replace_oldest_value_mem): Use base_reg_class.
142 * reload.c: Include "addresses.h".
143 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
144 (find_reloads): Use new base_reg_class function.
145 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
146 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
147 all callers and prototype changed.
148 * reload1.c: Include "addresses.h".
149 (maybe_fix_stack_asms): Use base_reg_class.
150 * regclass.c: Include "addresses.h".
151 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
152 (init_reg_autoinc): Use new base_reg_class function.
153 (record_reg_classes): Likewise.
154 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
155 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
156 Use new args to compute necessary class.
158 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
159 regrename.o, rtl-factoring.o): Update dependencies.
160 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
161 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
162 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
163 REG_OK_FOR_INDEX_P): Delete documentation.
165 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
167 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
168 from V7 to V9 for Solaris 7 and above.
170 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
172 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
173 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
174 argument pointers may not alias any other storage.
175 * common.opt: Define option -fargument-noalias-anything.
176 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
177 alias semantics is specified by flag_argument_noalias > 2.
180 * tree-pass.h (pass_phi_only_copy_prop): Delete.
181 (pass_phi_only_cprop): Declare.
182 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
183 with phi_only_cprop
184 * tree-ssa-dom.c (degenerate_phi_result): New function.
185 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
186 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
187 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
188 (eliminate_degenerate_phis): Likewise.
189 (pass_phi_only_cprop): New pass descriptor.
190 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
191 support code. Callers updated.
192 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
193 (store_copy_prop): Likewise.
194 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
196 2006-03-20 Jason Merrill <jason@redhat.com>
198 PR c++/21764
199 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
200 (push_visibility, pop_visibility): Likewise.
201 * c-pragma.h: Declare them.
203 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
205 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
207 * config/sh/sh.c (find_regmode_weight): Change the type of the first
208 parameter and use get_ebb_head_tail.
209 (sh_md_init_global): Adjust uses of find_regmode_weight.
211 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
213 * function.h (struct function) <x_tail_recursion_reentry>:
214 Rename to x_stack_check_probe_note.
215 (tail_recursion_reentry): Rename to stack_check_probe_note.
216 * function.c: Replace tail_recursion_reentry with
217 stack_check_probe_note everywhere.
218 (expand_function_start): Only emit a note for
219 stack_check_probe_note with -fstack-protect.
220 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
222 * emit-rtl.c (remove_unnecessary_notes): Remove.
223 (pass_remove_unnecessary_notes): Remove.
224 * rtl.h (remove_unnecessary_notes): Remove prototype.
225 * final.c (final_start_function): Don't call remove_unnecessary_notes.
226 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
227 * passes.c (pass_remove_unnecessary_notes): Don't run it.
229 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
231 PR tree-opt/26629
232 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
233 (valid_in_set): Handle ARRAY_REF.
234 Change "if min_variant or VH" to asserts.
235 (create_component_ref_by_pieces): Handle ARRAY_REF.
236 (create_expression_by_pieces): Likewise.
237 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
239 2006-03-20 David Edelsohn <edelsohn@gnu.org>
241 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
242 is operand of switch, not str[0].
244 2006-03-20 Alan Modra <amodra@bigpond.net.au>
246 * config/rs6000/rs6000.c (rs6000_handle_option): Use
247 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
249 2006-03-19 David Edelsohn <edelsohn@gnu.org>
251 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
252 end of insn_extra_address_constraint declaration.
254 2006-03-19 David Edelsohn <edelsohn@gnu.org>
256 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
257 (no-sum-in-toc): Same.
258 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
259 variables.
260 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
261 NO_FP_IN_TOC for -fPIC instead of mask.
263 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
264 (BOOT_LDFLAGS): Delete.
265 (LDFLAGS): Delete.
266 * config/rs6000/t-aix52: Same.
268 * config/rs6000/rs6000.md (store_multiple_power): Delete.
269 (stmsi[345678]_power): New.
271 2006-03-17 Steve Ellcey <sje@cup.hp.com>
273 * config/ia64/ia64.opt: Add empty line to end of file.
275 2006-03-17 Richard Guenther <rguenther@suse.de>
277 PR middle-end/26721
278 * builtins.c (get_pointer_alignment): For component style references
279 adjust alignment to the component type alignment. Make sure
280 to adjust alignment for component access of constants.
282 2006-03-17 David Edelsohn <edelsohn@gnu.org>
284 * config/rs6000/rs6000.md (strlensi): Emit barrier after
285 unconditional jump.
287 2006-03-17 Paul Brook <paul@codesourcery.com>
289 * doc/install.texi: Docuemnt --with-mode.
290 * config.gcc: Add --with-mode for arm*-*-*.
291 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
293 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
295 * sh.c (max_labelno_before_reorg): New variable.
296 (sh_reorg): Initialize it.
297 (find_barrier): Check max_labelno_before_reorg before using
298 label_to_alignment. Take length of explicit alignment insns
299 into account. When seeing a UNSPECV_CONST_END, return it.
301 * sh.c (fixup_mova): Set mode of affected label to QImode.
302 (untangle_mova): New function.
303 (find_barrier): Use it. Check mode of label before decrementing
304 num_mova.
305 (sh_reorg): Likewise.
306 Set mode of all insns back to VOIDmode.
308 * sh.c (MOVA_LABELREF): New macro.
309 (mova_p, fixup_mova, sh_reorg): Use it.
310 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
311 ADDR_DIFF_VEC matches mova.
313 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
315 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
316 with ATTRIBUTE_UNUSED.
318 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
320 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
321 pointer, instead of assuming it is possible to derive the
322 correct args size from a call insn.
324 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
326 * rtl.h (CONST_INT_P): Define.
327 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
328 instead of GET_CODE(x) == CONST_INT.
329 (vax_rtx_costs): Likewise.
330 (vax_output_int_move): Likewise.
331 (vax_output_int_add): Likewise.
332 (legitimate_constant_address_p): Likewise.
333 (index_term_p): Likewise.
334 * config/vax/vax.h (PRINT_OPERAND): Likewise.
335 * config/vax/vax.md (and<mode>3): Likewise.
336 (ashrsi3): Likewise.
337 (extv): Likewise.
338 (movstricthi): Likewise.
339 (movstrictqi): Likewise.
340 (rotrsi3): Likewise.
341 (five unnamed insns): Likewise.
343 2006-03-16 Geoffrey Keating <geoffk@apple.com>
345 * doc/tm.texi (SDB and DWARF): Add extra parameter to
346 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
347 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
348 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
349 Pass to ASM_OUTPUT_DWARF_OFFSET.
350 * dwarf2out.c (debug_frame_section): New.
351 (output_call_frame_info): Use debug_frame_section. Pass it to
352 dw2_asm_output_offset.
353 (output_die): Pass appropriate section to dw2_asm_output_offset.
354 (output_compilation_unit_header): Likewise.
355 (output_pubnames): Likewise.
356 (output_aranges): Likewise.
357 (enum dw_val_class): Break dw_val_class_lbl_offset into
358 dw_val_class_lineptr and dw_val_class_macptr.
359 (add_AT_lbl_offset): Delete.
360 (add_AT_lineptr): New.
361 (add_AT_macptr): New.
362 (AT_lbl): Expect a lineptr or macptr.
363 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
364 (attr_checksum): Likewise.
365 (same_dw_val_p): Likewise.
366 (size_of_die): Likewise.
367 (value_format): Likewise.
368 (output_die): Likewise.
369 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
370 add_AT_lbl_offset.
371 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
372 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
373 * config/darwin-protos.h (darwin_file_start): New.
374 (darwin_asm_output_dwarf_offset): New.
375 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
376 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
377 darwin_file_start.
378 * config/darwin.c (darwin_emit_unwind_label): Don't output label
379 if not EH section; simplify.
380 (darwin_file_start): New.
381 (darwin_asm_output_dwarf_offset): New.
382 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
383 mark as 'debug'.
384 (DEBUG_INFO_SECTION): Likewise.
385 (DEBUG_ABBREV_SECTION): Likewise.
386 (DEBUG_ARANGES_SECTION): Likewise.
387 (DEBUG_MACINFO_SECTION): Likewise.
388 (DEBUG_LINE_SECTION): Likewise.
389 (DEBUG_LOC_SECTION): Likewise.
390 (DEBUG_PUBNAMES_SECTION): Likewise.
391 (DEBUG_STR_SECTION): Likewise.
392 (DEBUG_RANGES_SECTION): Likewise.
393 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
394 (ASM_OUTPUT_DWARF_OFFSET): New.
396 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
398 * config.gcc (tm_defines): Always add to previous value rather
399 than replacing it.
401 2006-03-16 Richard Sandiford <richard@codesourcery.com>
403 * config/mips/predicates.md (splittable_const_int_operand): New,
404 split from move_operand.
405 (splittable_symbolic_operand): New.
406 (move_operand): Add commentary. Use splittable_const_int_operand.
407 Inline mips_atomic_symbolic_constant_p.
408 * config/mips/mips.md: Add combine splitters for handling moves
409 of splittable_const_int_operands and splittable_symbolic_operands.
410 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
411 (mips_split_symbol): Declare.
412 (mips_move_integer): Declare.
413 * config/mips/mips.c (mips_split_p): Make global.
414 (TARGET_MIN_ANCHOR_OFFSET): Override default.
415 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
416 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
417 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
418 (mips_offset_within_object_p): Handle block symbols.
419 (mips_atomic_symbolic_constant_p): Delete.
420 (mips_cannot_force_const_mem): Return false for constants that
421 mips_legitimize_move can handle.
422 (mips_use_blocks_for_constant_p): New function.
423 (mips_split_symbol): Make global.
424 (mips_move_integer): Likewise. Add a temporary register argument.
425 (mips_legitimize_const_move): Use splittable_const_int_operand and
426 splittable_symbolic_operand.
427 (mips_use_anchors_for_symbol_p): New function.
428 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
429 (mips_split_p): Declare.
431 2006-03-16 Richard Sandiford <richard@codesourcery.com>
433 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
434 (mips*-*-linux*): Likewise.
436 2006-03-16 Roger Sayle <roger@eyesopen.com>
437 Daniel Speyer <dspeyer@wam.umd.edu>
439 PR middle-end/18259
440 * tree-dump.c (dump_real): New function.
441 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
442 * Makefile.in (REAL_H): New macro for dependencies on real.h.
443 (tree-dump.o): Add $(REAL_H) to the dependencies.
445 2006-03-16 Roger Sayle <roger@eyesopen.com>
447 PR middle-end/21781
448 * real.c (real_from_string): If the mantissa is zero, don't bother
449 parsing the exponent as the result should always be zero.
451 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
453 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
455 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
457 * config/ia64/ia64.c (stops_p): Added explicit initialization.
458 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
459 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
460 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
461 ia64_sched_finish_global): New static functions to implement
462 hooks from gcc_target.sched.
463 (spec_check_no, max_uid, pending_data_specs): New static variables.
464 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
465 ia64_spec_check_src_p): New static functions.
466 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
467 (TARGET_SCHED_ADJUST_COST): Removed.
468 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
469 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
470 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
471 TARGET_SCHED_GEN_CHECK,
472 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
473 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
474 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
475 Fixed to handle speculation checks.
476 (rtx_needs_barrier): Fixed to handle speculative loads and
477 their checks.
478 (ia64_variable_issue): Added code to count speculative loads and their
479 checks.
480 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
481 speculative loads.
482 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
483 New enumerations.
484 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
485 New constants.
486 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
487 (ia64_reorg): Reset stops_p to NULL after it is freed.
488 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
489 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
490 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
491 chk_a.
492 (data_speculative, control_speculative, check_load): New attributes.
493 (mov<mode>_advanced, mov<mode>_speculative,
494 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
495 zero_extend<mode>di2_speculative,
496 zero_extend<mode>di2_speculative_advanced): New patterns for
497 data and control speculative loads.
498 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
499 check loads.
500 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
501 New pattern for data and control speculation checks.
502 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
503 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
504 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
505 Auxiliary definitions for the patterns.
506 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
507 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
508 constraints.
509 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
510 for speculation.
511 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
512 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
513 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
514 New resource constraints.
515 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
516 for speculation.
517 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
518 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
519 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
520 msched-in-control-spec, msched-ldc, msched-control-ldc,
521 msched-spec-verbose, msched-prefer-non-data-spec-insns,
522 msched-prefer-non-control-spec-insns,
523 msched-count-spec-in-critical-path): New flags to tune speculative
524 scheduling.
525 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
526 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
527 msched-in-control-spec, msched-ldc, msched-control-ldc,
528 msched-spec-verbose, msched-prefer-non-data-spec-insns,
529 msched-prefer-non-control-spec-insns,
530 msched-count-spec-in-critical-path): Document new flags.
532 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
534 * target.h (struct spec_info_def): New opaque declaration.
535 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
536 speculate_insn, needs_block_p, gen_check,
537 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
538 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
539 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
540 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
541 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
542 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
543 gcc_target.sched.
544 (TARGET_SCHED): Use new macros.
545 * rtl.h (copy_DEPS_LIST_list): New prototype.
546 * sched-int.h (struct sched_info): Change signature of new_ready field,
547 adjust all initializations. New fields: add_remove_insn,
548 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
549 region_head_or_leaf_p.
550 (struct spec_info_def): New structure declaration.
551 (spec_info_t): New typedef.
552 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
553 recovery_block, orig_pat.
554 (glat_start, glat_end): New variables declaraions.
555 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
556 New access macros.
557 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
558 DETACH_LIFE_INFO, USE_GLAT.
559 (enum SPEC_SCHED_FLAGS): New enumeration.
560 (NOTE_NOTE_BB_P): New macro.
561 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
562 attach_life_info, debug_spec_status, check_reg_live): New functions.
563 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
564 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
565 sched-ebb.c
566 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
567 * ddg.c (get_block_head_tail): Adjust all uses.
568 * modulo-sched.c (get_block_head_tail): Adjust all uses.
569 (sms_sched_info): Initialize new fields.
570 (contributes_to_priority): Removed.
571 * haifa-sched.c (params.h): New include.
572 (get_block_head_tail): Adjust all uses.
573 (ISSUE_POINTS): New macro.
574 (glat_start, glat_end): New global variables.
575 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
576 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
577 old_last_basic_block, before_recovery, current_sched_info_var,
578 rgn_n_insns, luid): New static variables.
579 (insn_cost1): New function. Move logic from insn_cost to here.
580 (find_insn_reg_weight1): New function. Move logic from
581 find_insn_reg_weight to here.
582 (reemit_notes, move_insn, max_issue): Change signature.
583 (move_insn1): Removed.
584 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
585 extend_bb): New static functions to support extension of scheduler's
586 data structures.
587 (generate_recovery_code, process_insn_depend_be_in_spec,
588 begin_speculative_block, add_to_speculative_block,
589 init_before_recovery, create_recovery_block, create_check_block_twin,
590 fix_recovery_deps): New static functions to support
591 generation of recovery code.
592 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
593 restore_bb_notes, move_block_after_check, move_succs): New static
594 functions to support ebb scheduling.
595 (init_glat, init_glat1, attach_life_info1, free_glat): New static
596 functions to support handling of register live information.
597 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
598 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
599 add_jump_dependencies): New static functions.
600 (check_cfg, has_edge_p, check_sched_flags): New static functions for
601 consistancy checking.
602 (debug_spec_status): New function to call from debugger.
603 (priority): Added code to handle speculation checks.
604 (rank_for_schedule): Added code to distinguish speculative instructions.
605 (schedule_insn): Added code to handle speculation checks.
606 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
607 Fixed to handle ebbs.
608 (move_insn): Added code to handle ebb scheduling.
609 (max_issue): Added code to use ISSUE_POINTS of instructions.
610 (choose_ready): Added code to choose between speculative and
611 non-speculative instructions.
612 (schedule_block): Added code to handle ebb scheduling and scheduling of
613 speculative instructions.
614 (sched_init): Initialize new variables.
615 (sched_finish): Free new variables. Print statistics.
616 (try_ready): Added code to handle speculative instructions.
617 * lists.c (copy_DEPS_LIST_list): New function.
618 * sched-deps.c (extend_dependency_caches): New function. Move logic
619 from create_dependency_caches to here.
620 (get_dep_weak, ds_merge): Make global.
621 * genattr.c (main): Code to output prototype for
622 dfa_clear_single_insn_cache.
623 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
624 (output_dfa_clean_insn_cache_func): Code to output
625 dfa_clear_single_insn_cache function.
626 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
627 n_insns.
628 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
629 Removed.
630 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
631 New static variables.
632 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
633 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
634 struct sched_info.
635 (ebb_sched_info): Initialize new fields.
636 (get_block_head_tail): Adjust all uses.
637 (compute_jump_reg_dependencies): Fixed to use glat_start.
638 (schedule_ebb): Code to remove unreachable last block.
639 (schedule_ebbs): Added code to update register live information.
640 * sched-rgn.c (region_sched_info): Initialize new fields.
641 (get_block_head_tail): Adjust all uses.
642 (last_was_jump): Removed. Adjust users.
643 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
644 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
645 Implement new hooks.
646 (check_dead_notes1): New static function.
647 (struct region): New fields: dont_calc_deps, has_real_ebb.
648 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
649 (BB_TO_BLOCK): Fixed to handle EBBs.
650 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
651 (ebb_head): New static variable.
652 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
653 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
654 new fields.
655 (compute_dom_prob_ps): New assertion.
656 (check_live_1, update_live_1): Fixed to work with glat_start instead of
657 global_live_at_start.
658 (init_ready_list): New assertions.
659 (can_schedule_ready_p): Split update code to begin_schedule_ready.
660 (new_ready): Add support for BEGIN_CONTROL speculation.
661 (schedule_insns): Fixed code that updates register live information
662 to handle EBBs.
663 (schedule_region): Fixed to handle EBBs.
664 (init_regions): Use extend_regions and check_dead_notes1.
665 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
666 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
667 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
668 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
669 TARGET_SCHED_GEN_CHECK,
670 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
671 TARGET_SCHED_SET_SCHED_FLAGS): Document.
672 * doc/invoke.texi (max-sched-insn-conflict-delay,
673 sched-spec-prob-cutoff): Document.
675 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
677 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
678 inter_tick, queue_index.
679 (struct sched_info): Change signature of init_ready_list field.
680 Adjust all initializations.
681 (RESOLVED_DEPS): New access macro.
682 (ready_add): Remove prototype.
683 (try_ready): Add prototype.
684 * sched-rgn.c (init_ready_list): Use try_ready.
685 (schedule_region): Initialize
686 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
687 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
688 (init_ready_list): Use try_ready.
689 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
690 * lists.c (remove_list_elem): Remove `static'.
691 (remove_free_INSN_LIST_elem): New function.
692 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
693 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
694 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
695 New constants.
696 (readyp): New variable.
697 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
698 change_queue_index, resolve_dep): New static functions.
699 (try_ready): New function. Adjust callers in sched-rgn.c and
700 sched-ebb.c to use it instead of ready_add.
701 (clock_var): Move at the begining of file.
702 (rank_for_schedule): Fix typo.
703 (queue_insn): Add assertion. Handle QUEUE_INDEX.
704 (ready_lastpos): Enforce assertion.
705 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
706 update all callers.
707 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
708 (schedule_insn): Rewrite to use try_ready and resolve_dep.
709 (queue_to_ready): Use free_INSN_LIST_list.
710 (early_queue_to_ready): Fix typo.
711 (schedule_block): Init readyp. Move init_ready_list call after the
712 initialization of clock_var. Fix error in rejecting insn by
713 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
714 that previously corrected INSN_TICKs. Add code for handling
715 QUEUE_INDEX.
716 (set_priorities): Fix typo.
717 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
718 Clarify comment and code that keeps current_sched_info->next_tail
719 non-null.
721 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
723 * sched-rgn.c (extend_rgns): New static function.
724 (find_rgns): Use it.
725 (gather_region_statistics, print_region_statistics): New static
726 functions.
727 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
728 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
730 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
731 Andrey Belevantsev <abel@ispras.ru>
733 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
734 * lists.c (unused_deps_list): New variable.
735 (free_list): Add assertions to verify the proper distinguishing
736 between INSN_LISTs and DEPS_LISTs.
737 (find_list_elem, remove_list_elem, remove_list_node): New static
738 functions.
739 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
740 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
741 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
742 (alloc_INSN_LIST): Assert that the list we're working on is indeed
743 an INSN_LIST.
744 (free_INSN_LIST_node): Likewise.
745 * modulo-sched.c (current_sched_info): Initialize flags field.
746 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
747 * rtl.def (DEPS_LIST): Define.
748 * rtl.h: Declare new functions from lists.c.
749 * sched-deps.c (spec_dependency_cache): New static variable.
750 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
751 (add_dependence): Change return type to void. Move the logic to ...
752 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
753 (delete_all_dependences): Add comment about forward_dependency_cache.
754 Handle spec_dependency_cache. Handle DEPS_LISTs.
755 (fixup_sched_groups): Clarify the change of priority of output
756 and anti dependencies.
757 (sched_analyze_2): Adjust add_dependence calls to create data
758 speculative dependence.
759 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
760 Adjust all callers. Handle DEPS_LISTS.
761 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
762 presence of speculation.
763 (init_dependency_caches, free_dependency_caches):
764 Handle spec_dependency_cache.
765 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
766 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
767 New static functions.
768 (add_or_update_back_dep, add_or_update_back_forw_dep,
769 add_back_forw_dep, delete_back_forw_dep): New functions.
770 * sched-int.h (ds_t, dw_t): New typedefs.
771 (struct sched_info): Add new field flags.
772 (struct haifa_insn_data): Add new bitfield has_internal_dep.
773 Prototype new sched-deps.c functions.
774 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
775 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
776 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
777 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
778 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
779 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
780 New constants.
781 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
782 New enums.
783 * sched-rgn.c (current_sched_info): Initialize flags field.
784 (schedule_insns): Initialize current_sched_info before the sched_init
785 call.
786 * sched-ebb.c (current_sched_info): Initialize flags field.
787 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
788 Call add_or_update_back_dep instead of add_dependence.
789 Create control speculative dependencies.
790 (schedule_insns): Initialize current_sched_info before the sched_init
791 call.
793 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
795 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
796 fs->signal_frame.
797 (sh_fallback_frame_state): Likewise.
799 2006-03-15 Geoffrey Keating <geoffk@apple.com>
801 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
802 Do switch on default_use_cxa_atexit.
803 (powerpc*-*-darwin*): Build crt2.o on powerpc.
804 * config/darwin-crt3.o: New.
805 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
806 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
807 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
808 OS version.
809 * config/rs6000/t-darwin: Move crt2.o building to here.
810 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
811 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
812 of __cxa_atexit.
814 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
816 * config/vax/vax.c (nonindexed_address_p): Change logical negation
817 from '! xxx' to '!xxx' for coding-style conformance.
818 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
819 (EXTRA_CONSTRAINT): Likewise.
820 * config/vax/vax.md (four unnamed insns): Likewise.
822 2006-03-15 Paul Brook <paul@codesourcery.com>
824 * config/arm/arm.c (minipool_pad): New.
825 (add_minipool_forward_ref): Include pool alignment padding in address
826 calculation.
827 (push_minipool_fix): Set minipool_pad.
828 (minipool_pad): Ditto.
830 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
832 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
833 instead of GET_CODE() == MEM and REG_P() instead of
834 GET_CODE() == REG.
835 (print_operand_address): Likewise.
836 (vax_address_cost): Likewise.
837 (vax_rtx_costs): Likewise.
838 (vax_notice_update_cc): Likewise.
839 (vax_output_int_add): Likewise.
840 (INDEX_REGISTER_P): Likewise.
841 (BASE_REGISTER_P): Likewise.
842 (nonindexed_address_p): Likewise.
843 (vax_mode_dependent_address_p): Likewise.
844 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
845 (PRINT_OPERAND): Likewise.
846 * config/vax/vax.md (ashlsi3): Likewise.
847 (ashlsi3): Likewise.
848 (some more unnamed insns): Likewise.
850 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
852 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
853 iterator-style macro.
854 (mark_control_dependent_edges_necessary): Update the use of
855 EXECUTE_IF_CONTROL_DEPENDENT.
857 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
859 * config/sh/predicates.md (cache_address_operand): Special.
860 (ua_address_operand): Likewise.
862 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
864 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
865 loop notes.
866 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
868 2006-03-15 Andreas Schwab <schwab@suse.de>
870 * gensupport.c (identify_predicable_attribute): Don't free p_false
871 when it is still in use.
873 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
875 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
876 the default setting here.
878 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
880 * tree-pass.h (pass_cfg): Remove.
881 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
882 * passes.c (pass_cfg): Don't run it.
884 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
886 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
887 * reg-stack.c (stack_regs_mentioned_data): Change the type to
888 VEC(char,heap) *.
889 (stack_regs_mentioned): Update the uses of
890 stack_regs_mentioned_data. Don't access the array beyond its
891 end.
892 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
893 Don't include gt-reg-stack.h.
895 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
896 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
898 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
900 PR middle-end/26684
901 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
902 STACK_REGS.
904 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
906 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
908 2006-03-14 Richard Guenther <rguenther@suse.de>
910 PR tree-optimization/26672
911 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
912 SSA form.
914 2006-03-14 Richard Guenther <rguenther@suse.de>
916 PR tree-optimization/26667
917 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
918 node for the callees. Always allow inlining if it will shrink
919 the function size.
921 2006-03-14 Richard Guenther <rguenther@suse.de>
923 PR middle-end/26659
924 * builtins.c (get_pointer_alignment): Prefer alignment
925 information from decls over that from types.
927 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
929 PR target/26657
930 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
932 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
934 * config/rs6000/rs6000.opt (mdlmzb): New option.
935 (msched-prolog, msched-epilog): Use Var not Mask.
936 * doc/invoke.texi (-mdlmzb): Document.
937 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
938 MASK_SCHED_PROLOG.
939 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
940 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
942 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
944 PR rtl-optimization/25739
945 * bt-load.c (augment_live_range): Free tos pointer.
947 * gensupport.c (identify_predicable_attribute): Free
948 p_false pointer.
949 * gcov.c (create_file_names): Free name pointer.
951 2006-03-13 Roger Sayle <roger@eyesopen.com>
953 PR middle-end/26557
954 * stmt.c (emit_case_nodes): Handle the case where the index is a
955 CONST_INT, where the comparison mode is specified by the index type.
957 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
959 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
960 is defined.
962 2006-03-13 Richard Sandiford <richard@codesourcery.com>
964 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
965 (*branch_fp_inverted): Likewise.
967 2006-03-13 Jakub Jelinek <jakub@redhat.com>
969 PR middle-end/25989
970 * omp-low.c (expand_omp_for_generic): Mark istart0
971 and iend0 as addressable.
973 2006-03-13 Jie Zhang <jie.zhang@analog.com>
975 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
977 2006-03-13 Jeff Law <law@redhat.com>
979 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
980 virtual operands are interesting.
981 (vrp_visit_stmt): Corresponding changes.
983 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
985 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
986 of RETS.
987 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
988 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
989 * config/bfin/crti.S: Use it instead of __PIC__.
990 * config/bfin/crtn.S: Likewise.
992 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
993 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
994 not if flag_pic.
995 Lose 'G' modifier for call operand.
996 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
997 recognize 'G' modifier.
999 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
1001 PR middle-end/18859
1002 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
1003 * stmt.c (expand_case): Likewise.
1005 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1007 PR rtl-optimization/26254
1008 * loop-invariant.c (seq_insns_valid_p): New function.
1009 (move_invariant_reg): Only emit new code if it is valid.
1011 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1013 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
1014 Removed.
1015 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
1016 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
1017 (commit_one_edge_insertion): Do not look for loop notes.
1019 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1021 * jump.c (follow_jumps): Do not check for loop notes. Move check for
1022 flag_test_coverage out of loop.
1024 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1026 * final.c (shorten_branches): Remove outdated comment, and turn
1027 the if branch that guards it to continue.
1029 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1031 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
1032 * cfgloop.h (struct loop): Remove unused fields.
1034 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
1036 * doc/invoke.texi (-fdump-rtl-loop): Remove.
1037 (-dL, -fdump-rtl-loop2): Update the dump file names
1039 * doc/invoke.texi: Update dump file names.
1041 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
1043 * predict.c (estimate_probability): Remove.
1044 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
1045 * basic-block.h (estimate_probability): Remove prototype.
1046 * passes.c (finish_optimization_passes): Dump branch prediction or
1047 profiling heuristics to the .profile tree dump.
1048 (init_optimization_passes): Unqueue pass_branch_prob.
1050 * doc/invoke.texi (-fdump-rtl-bp): Remove.
1052 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
1054 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
1055 * rtl.h (LABEL_NEXTREF): Remove field accessor.
1057 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
1059 * function.h (frame_offset_overflow): Declare.
1060 * function.c (frame_offset_overflow): New function.
1061 (assign_stack_local_1): Call it to detect that the offset overflows.
1062 * cfgexpand.c (alloc_stack_frame_space): Likewise.
1064 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
1066 * config/sh/sh.c: Include alloc-pool.h.
1067 (label_ref_list_pool): New alloc pool.
1068 (label_ref_list_t): New type for lists of labels.
1069 (struct pool_node): Make wend a label_ref_list_t.
1070 (add_constant): Use the new type, eradicate LABEL_NEXTREF
1071 references.
1072 (dump_table): Likewise.
1073 (sh_reorg): Set up the alloc pool before using add_constant and
1074 dump_table, and destroy it when finishing.
1076 2006-03-11 Richard Sandiford <richard@codesourcery.com>
1078 * config/mips/mips.c: Remove redundant comment.
1080 2006-03-10 Jason Merrill <jason@redhat.com>
1082 PR c/26004
1083 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
1084 the target was declared 'register'.
1086 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
1088 * genpreds.c (write_insn_constraint_len): Change definition of
1089 insn_constraint_len to return size_t to match the declaration.
1091 2006-03-10 DJ Delorie <dj@redhat.com>
1093 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
1094 start at zero.
1095 (m32c_expand_insv): Fix test for an AND mask.
1097 2006-03-10 Richard Guenther <rguenther@suse.de>
1099 PR middle-end/26565
1100 * builtins.c (get_pointer_alignment): Handle component
1101 references for field alignment.
1103 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
1105 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
1106 when building with libgloss.
1107 (sh*elf): Implement --without-fp option.
1108 (sh64-superh-linux*): Don't multilib.
1110 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
1112 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
1114 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
1116 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
1117 Set it when one of the replacement functions returned true.
1118 Return TODO_cleanup_cfg if cfgchanged is true.
1119 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
1121 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
1123 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
1124 instead of gen_lowpart.
1126 2006-03-09 Richard Sandiford <richard@codesourcery.com>
1128 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
1129 interface.
1130 (mips_output_order_conditional_branch): Declare.
1131 * config/mips/mips.h (MIPS_BRANCH): New macro.
1132 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
1133 for the comparison. Use gen_condjump.
1134 (mips_output_conditional_branch): Rework interface to take the
1135 asm templates for a direct branch and the inverse of a direct branch.
1136 (mips_output_order_conditional_branch): New function.
1137 (mips_builtin_branch_and_move): New function.
1138 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
1139 branch condition. Use gen_single_cc as the condition for
1140 __builtin_mips_upper_* or __builtin_mips_lower_*.
1141 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
1142 Use VOIDmode for the branch condition.
1143 * config/mips/predicates.md (order_operator): New predicate.
1144 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
1145 (branch_fp): Rename to...
1146 (*branch_fp): ...this. Remove mode from comparison operator.
1147 Use new mips_output_conditional_branch interface.
1148 (branch_fp_inverted): Rename to...
1149 (*branch_fp_inverted): ...this and update as for *branch_fp.
1150 (*branch_zero<mode>): Rename to...
1151 (*branch_order<mode>): ...this. Remove mode from comparison operator.
1152 Use mips_output_order_conditional_branch. Only accept ordered
1153 comparisons.
1154 (*branch_zero<mode>_inverted): Rename to...
1155 (*branch_order<mode>_inverted): ...this and update as for
1156 *branch_order<mode>.
1157 (*branch_equality<mode>): Accept zero as the second operand to
1158 the equality operator. Use the new mips_output_conditional_branch
1159 interface.
1160 (*branch_equality<mode>_inverted): Likewise.
1161 (condjump): New expander.
1162 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
1163 operator.
1164 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
1165 (bc1any2t, bc1any2f): Likewise.
1166 (single_cc): New expander.
1167 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
1169 2006-03-09 Richard Sandiford <richard@codesourcery.com>
1171 * doc/md.texi: Update documentation of MIPS constraints.
1172 * config/mips/constraints.md: New file.
1173 * config/mips/mips.md: Include it.
1174 * config/mips/mips.c (mips_char_to_class): Delete.
1175 (override_options): Don't initialize mips_char_to_class.
1176 * config/mips/mips.h (mips_char_to_class): Delete.
1177 (REG_CLASS_FROM_LETTER): Delete.
1178 (CONST_OK_FOR_LETTER_P): Delete.
1179 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1180 (EXTRA_CONSTRAINT_Y): Delete.
1181 (EXTRA_CONSTRAINT_STR): Delete.
1182 (CONSTRAINT_LEN): Delete.
1183 (EXTRA_MEMORY_CONSTRAINT): Delete.
1185 2006-03-09 Diego Novillo <dnovillo@redhat.com>
1187 * tree-cfg.c (move_block_to_fn): Remove the statements from the
1188 original fn's eh regions.
1190 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
1192 * fold-const.c (build_range_check): Make sure to use a valid type to
1193 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
1194 transformation.
1196 (range_predecessor): New static function.
1197 (range_successor): Likewise.
1198 (merge_ranges): Use them to compute predecessors and successors of
1199 range bounds.
1201 2006-03-09 Roger Sayle <roger@eyesopen.com>
1203 PR middle-end/26561
1204 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
1205 X op C3, consider whether C3 overflows towards +Inf or -Inf.
1207 2006-03-08 DJ Delorie <dj@redhat.com>
1209 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
1210 (addpsi3): Expand to include memory operands. Remove
1211 reload-specific splits.
1212 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
1213 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
1214 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
1215 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
1216 (shift1_qi, shift1_hi, insv): New.
1217 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
1218 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
1219 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
1220 cond_to_int): New.
1221 * config/m32c/m32c-protos.h: Update as needed.
1222 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
1223 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
1224 Fail for unrecognized R* constraints.
1225 (m32c_cannot_change_mode_class): Be more picky about pseudos.
1226 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
1227 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
1228 Add Sp constraint.
1229 (m32c_init_libfuncs): New.
1230 (m32c_legitimate_address_p): Add debug wrapper.
1231 (m32c_rtx_costs): New.
1232 (m32c_address_cost): New.
1233 (conversions): Add 'B' prefix.
1234 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
1235 operands, or word regnames for QI operands. 'B' prints bit
1236 position.
1237 (m32c_expand_setmemhi): New.
1238 (m32c_expand_movmemhi): New.
1239 (m32c_expand_movstr): New.
1240 (m32c_expand_cmpstr): New.
1241 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
1242 (m32c_expand_neg_mulpsi3): Handle non-ints.
1243 (m32c_cmp_flg_0): New.
1244 (m32c_expand_movcc): New.
1245 (m32c_expand_insv): New.
1246 (m32c_scc_pattern): New.
1247 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
1248 a0/a1 out of SIregs.
1249 (STORE_FLAG_VALUE): New.
1250 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
1251 code macros.
1252 (no_insn): New.
1253 * config/m32c/mov.md: Make constraints more liberal.
1254 (zero_extendqihi2): Optimize r0/r1 case.
1255 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
1256 * config/m32c/predicates.md (m32c_any_operand): New.
1257 (m32c_nonimmediate_operand): New.
1258 (m32c_hl_operand): New.
1259 (m32c_r3_operand): New.
1260 (ap_operand): New.
1261 (ma_operand): New.
1262 (memsym_operand): New.
1263 (memimmed_operand): New.
1264 (a_qi_operand): New.
1265 (m32c_eqne_operator): New.
1266 (m32c_1bit8_operand): New.
1267 (m32c_1bit16_operand): New.
1268 (m32c_1mask8_operand): New.
1269 (m32c_1mask16_operand): New.
1270 * config/m32c/blkmov.md: New file.
1271 * config/m32c/t-m32c (MD_FILES): Add blkmov.
1273 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
1275 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
1276 unsigned to fix signed/unsigned comparison issue in
1277 DWARF2_FRAME_REG_OUT.
1278 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
1279 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
1281 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
1282 of ptr into the ENABLE_CHECKING section.
1284 2006-03-08 Jeff Law <law@redhat.com>
1286 * tree-vrp.c (infer_value_range): Only count pointer uses
1287 and dereferences if -fdelete-null-pointer-checks is enabled.
1289 * tree-vrp.c (find_assert_locations): Infer value ranges for
1290 single use pointers, but do not create ASSERT_EXPRs for them.
1291 When a non-null range is inferred for a pointer, backwards
1292 propagate that range to other equivalent pointers through the
1293 use-def chain.
1295 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
1297 PR bootstrap/26500
1298 * Makefile.in (dvi, html, install-info): Invoke the corresponding
1299 language hook targets.
1300 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
1301 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
1302 if language hook targets were missing.
1304 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
1306 * tree-ssa-opfinalize.h: Removed.
1307 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
1308 dependency.
1309 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
1310 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
1311 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
1312 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
1313 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
1314 finalize_ssa_v_must_def_ops): New.
1316 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
1318 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
1319 block as parameter.
1321 2006-03-07 Geoffrey Keating <geoffk@apple.com>
1323 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
1325 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
1326 addresses with offsets; reorganize.
1328 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
1329 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
1330 (expand_builtin_init_dwarf_reg_sizes): Likewise.
1332 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
1334 PR target/26588
1335 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
1337 2006-03-08 Ben Elliston <bje@au.ibm.com>
1339 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
1341 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
1343 PR gomp/26238
1344 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
1345 expansion.
1347 2006-03-07 Richard Guenther <rguenther@suse.de>
1349 PR tree-optimization/26587
1350 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
1352 2006-03-07 Richard Sandiford <richard@codesourcery.com>
1354 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
1356 2006-03-07 Richard Sandiford <richard@codesourcery.com>
1358 * hooks.c (hook_bool_mode_rtx_true): New function.
1359 * hooks.h (hook_bool_mode_rtx_true): Declare.
1360 * toplev.c (compile_file): Call output_shared_constant_pool.
1361 * varasm.c (shared_constant_pool): New variable.
1362 (assemble_start_function, assemble_end_function): Remove arguments
1363 from call to output_constant_pool.
1364 (create_constant_pool): New function, split out from...
1365 (init_varasm_status): ...here.
1366 (force_const_mem): Choose between the shared and per-function constant
1367 pools. Set current_function_uses_const_pool when reusing old entries
1368 as well as when creating new ones.
1369 (mark_constant): Ignore data argument.
1370 (mark_constants): Remove pool argument.
1371 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
1372 to decide whether the function uses a constant pool.
1373 (output_constant_pool_contents): New function, split out from...
1374 (output_constant_pool): ...here.
1375 (output_shared_constant_pool): New function.
1376 (init_varasm_once): Initialize shared_constant_pool.
1377 * output.h (output_constant_pool): Delete.
1378 (output_shared_constant_pool): Declare.
1379 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
1380 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
1382 2006-03-06 Nick Clifton <nickc@redhat.com>
1384 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
1385 flag_strength_reduce.
1387 2006-03-06 Ben Elliston <bje@au.ibm.com>
1389 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
1390 x86_64-*-linux* configurations.
1392 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
1393 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
1395 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
1397 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
1398 Remove.
1399 * basic-block.h: Remove the extern for
1400 rediscover_loops_after_threading.
1402 * cfgloop.c (cancel_loop): Make it static.
1403 * cfgloop.h: Remove the prototype for cancel_loop.
1405 * flow.c (recompute_reg_usage): Make it static.
1406 * rtl.h: Remove the prototype for recompute_reg_usage.
1408 * function.c (use_return_register): Make it static.
1409 * function.h: Remove the prototype.
1411 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
1413 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
1414 Remove.
1415 * recog.h: Remove the prototype for
1416 validate_change_maybe_volatile.
1418 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
1420 * rtlanal.c (replace_reg): Remove.
1421 * rtl.h: Remove the prototype for replace_reg.
1423 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
1425 * regclass.c (reg_scan_update): Remove.
1426 (reg_scan_mark_refs): Remove the last argument.
1427 * rtl.h: Remove the prototype for reg_scan_update.
1429 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1431 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
1432 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
1433 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
1434 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
1435 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
1436 loop-invariant.c, omp-low.c, opts.c, passes.c,
1437 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
1438 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
1439 tree-ssa-structalias.c, tree-ssa-threadedge.c,
1440 tree-ssa-threadupdate.c, tree-vect-patterns.c,
1441 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
1442 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
1444 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1446 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
1447 * dwarf2out.h: Remove the prototype for
1448 dwarf2out_add_library_unit_info.
1450 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1452 * tree.c (add_var_to_bind_expr): Remove.
1453 * tree.h: Remove the prototype for add_var_to_bind_expr.
1455 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1457 * regclass.c (n_non_fixed_regs): Remove.
1458 (init_reg_sets_1, globalize_reg): Remove all uses of
1459 n_non_fixed_regs.
1460 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
1462 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1464 * rtlanal.c (insns_safe_to_move_p): Remove.
1465 * rtl.h: Remove the prototype for insns_safe_to_move_p.
1467 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1469 * expmed.c (expand_mult_add): Remove.
1470 * expr.h: Remove the prototype for expand_mult_add.
1472 2006-03-04 Jakub Jelinek <jakub@redhat.com>
1474 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
1475 and REG_SAVED_VAL_EXP constants.
1476 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
1477 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
1478 Handle regs stored by value.
1479 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
1480 (execute_cfa_program): Handle DW_CFA_val_offset,
1481 DW_CFA_val_offset_sf and DW_CFA_val_expression.
1482 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
1483 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
1484 (uw_install_context_1): Handle target regs stored by value.
1486 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
1488 * tree-sra.c (tree_sra): Return todoflags;
1489 (generate_one_element): Set TODO_update_smt_usage if needed.
1490 (pass_sra): Remove TODO_update_smt_usage.
1491 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
1492 parameter.
1493 (tree_ssa_forward_propagate_single_use_vars): Return
1494 TODO_update_smt_usage if we need to update SMT usage.
1495 (pass_forwprop): Remove TODO_update_smt_usage.
1497 2006-03-03 Diego Novillo <dnovillo@redhat.com>
1499 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
1500 (correct_use_link): Remove reference to get_stmt_operands.
1501 (update_stmt_operands): Likewise.
1502 (get_modify_expr_operands): New function factored out of
1503 parse_ssa_operands and get_expr_operands.
1504 Try to create V_MUST_DEFs for LHS by default.
1505 (get_expr_operands) <case MODIFY_EXPR>: Call
1506 get_modify_expr_operands.
1507 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
1508 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
1509 (parse_ssa_operands) <case MODIFY_EXPR>: Call
1510 get_modify_expr_operands.
1512 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
1514 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
1515 * tree-flow.h: Remove the prototype for
1516 referenced_var_lookup_if_exists.
1518 2006-03-03 Steve Ellcey <sje@cup.hp.com>
1520 PR rtl-optimization/26345
1521 PR target/19061
1522 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
1524 2006-03-03 Roger Sayle <roger@eyesopen.com>
1526 PR tree-optimization/26524
1527 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
1528 fold_convert to create a constant of the appropriate type.
1530 2006-03-03 Richard Sandiford <richard@codesourcery.com>
1532 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1533 SYMBOL_REF_IN_BLOCK_P.
1534 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
1535 of SYMBOL_FLAG_IN_BLOCK.
1536 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
1537 instead of SYMBOL_REF_IN_BLOCK_P.
1538 * explow.c (use_anchored_address): Likewise.
1539 * rtl.c (rtx_size): Likewise.
1540 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
1541 instead of SYMBOL_FLAG_IN_BLOCK.
1542 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1543 SYMBOL_REF_IN_BLOCK_P.
1544 (assemble_variable): Likewise.
1545 (output_constant_def_contents): Likewise.
1546 (output_constant_pool): Likewise.
1547 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
1548 instead of SYMBOL_FLAG_IN_BLOCK.
1549 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1550 SYMBOL_REF_IN_BLOCK_P.
1551 (SYMBOL_REF_BLOCK): Likewise.
1552 (SYMBOL_REF_OFFSET): Likewise.
1553 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1554 SYMBOL_REF_IN_BLOCK_P.
1555 (SYMBOL_FLAG_IN_BLOCK): Replace with...
1556 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
1557 (SYMBOL_REF_IN_BLOCK_P): Replace with...
1558 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
1560 2006-03-03 Jakub Jelinek <jakub@redhat.com>
1562 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
1564 2006-03-02 Roger Sayle <roger@eyesopen.com>
1566 * simplify-rtx.c (simplify_unary_operation): When simplifying
1567 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
1568 that we perform the right shift in the appropriate mode, and
1569 then extend or truncate the result to requested mode.
1571 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
1573 * gengtype.c (main): Handle double_int type.
1574 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
1575 * double-int.c: New file.
1576 * double-int.h: New file.
1577 * system.h: Include doubleint.h.
1578 * Makefile.in (SYSTEM_H): Include double-int.h.
1579 (double-int.o): Add.
1581 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
1583 PR bootstrap/26478
1584 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
1585 copying over it.
1587 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
1589 * tree-vrp.c (remove_range_assertions): Do not update statements
1590 unnecessarily.
1592 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
1594 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
1595 cleanup.
1596 * gcse.c (rest_of_handle_gcse): Ditto.
1597 * except.c (gate_handle_eh): Ditto.
1598 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
1599 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
1601 2006-03-02 Eric Christopher <echristo@apple.com>
1603 * config/i386/i386.c (machopic_output_stub): Add indirection to
1604 jump.
1606 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
1608 * loop.c: Removed.
1610 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
1612 Sun Niagara specific optimizations.
1613 * config.gcc: Recognize niagara as target.
1614 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
1615 (TARGET_CPU_niagara): Define.
1616 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
1617 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
1618 (CPP_CPU_SPEC): Handle -mcpu=niagara.
1619 (ASM_CPU_SPEC): Likewise.
1620 (PROCESSOR_NIAGARA): New enum entry.
1621 (REGISTER_MOVE_COST): Handle Niagara.
1622 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
1623 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
1624 (sparc_override_options): Recognize "niagara", set appropriate
1625 default MASK_* values for it, and align functions to 32-bytes
1626 by default just like ULTRASPARC/ULTRASPARC3.
1627 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
1628 (sparc64_initialize_trampoline): Likewise.
1629 (sparc_use_sched_lookahead): Use zero for niagara.
1630 (sparc_issue_rate): Use one for niagara.
1631 * config/sparc/niagara.md: New file.
1632 * config/sparc/sparc.md: Include it.
1633 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
1634 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
1635 when default cpu is niagara.
1636 (CPP_CPU_SPEC): Handle -mcpu=niagara.
1637 (ASM_CPU_SPEC): Likewise.
1638 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
1639 when default cpu is niagara.
1640 (ASM_CPU_SPEC): Handle -mcpu=niagara.
1641 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
1642 just like v9/ultrasparc/ultrasparc3.
1643 * doc/invoke.texi: Add documentation for "niagara" and improve
1644 existing documentation for ultrasparc variants.
1646 2006-03-02 Diego Novillo <dnovillo@redhat.com>
1648 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
1650 2006-03-02 Richard Sandiford <richard@codesourcery.com>
1652 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
1653 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
1654 and say that only one is needed.
1655 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
1656 * target.h (have_switchable_bss_sections): New hook.
1657 * explow.c (use_anchored_address): Check that the symbol is in a block.
1658 * varasm.c (tls_comm_section, comm_section, lcomm_section)
1659 (bss_noswitch_section): New variables.
1660 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
1661 (get_noswitch_section): New function.
1662 (get_block_for_section): Allow SECT to be null.
1663 (unlikely_text_section_p): Use SECTION_STYLE.
1664 (bss_initializer_p): New function.
1665 (get_variable_section): Move earlier in file. Take a new argument,
1666 prefer_noswitch_p. Move bss checks from assemble_variable to here.
1667 Return one of the new *_sections in such cases.
1668 (get_block_for_decl): New function, extracting some logic from
1669 use_blocks_for_decl_p.
1670 (change_symbol_section): Remove in favor of...
1671 (change_symbol_block): ...this new function.
1672 (use_blocks_for_decl_p): Remove checks now performed by
1673 get_block_for_decl.
1674 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
1675 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
1676 (emit_local, emit_bss, emit_common): ...these new functions.
1677 Return true if the alignment was honored.
1678 (emit_tls_common): New function.
1679 (asm_emit_uninitialised): Delete.
1680 (assemble_variable_noswitch): New function, split out from...
1681 (assemble_variable): ...here. Don't make decisions about common
1682 variables here. Globalize all public decls that go into non-common
1683 sections. Check whether SYMBOL_REF_BLOCK is null.
1684 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
1685 (output_constant_pool): Likewise.
1686 (init_varasm_once): Initialize the new section variables.
1687 (have_global_bss_p): New function.
1688 (categorize_decl_for_section): Use bss_initializer_p.
1689 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
1690 (place_block_symbol): Assert that the symbol must be in a block.
1691 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
1692 (TARGET_INITIALIZER): Include it.
1693 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
1694 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
1695 (SECTION_MACH_DEP): Bump by two.
1696 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
1697 (unnamed_section): Mention SECTION_UNNAMED in comment.
1698 (named_section): Likewise SECTION_NAMED.
1699 (noswitch_section_callback): New type.
1700 (noswitch_section): New structure.
1701 (section): Add a noswitch_section alternative.
1702 (SECTION_STYLE): New macro.
1703 (tls_comm_section, comm_section, lcomm_section): Declare.
1704 (bss_noswitch_section, have_global_bss_p): Declare.
1705 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
1706 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
1707 Override.
1708 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
1709 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
1710 Override.
1712 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
1714 * gcc/tree-vrp.c (execute_vrp): Return value.
1715 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
1716 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
1717 * gcc/tree-complex.c (tree_lower_complex): Ditto.
1718 (tree_lower_complex_O0): Ditto.
1719 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
1720 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
1721 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
1722 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
1723 (execute_tail_calls): Ditto.
1724 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1725 * gcc/tree.h (init_function_for_compilation): Ditto.
1726 * gcc/ipa-cp.c (ipcp_driver): Ditto.
1727 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
1728 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
1729 * gcc/final.c (compute_alignments): Ditto.
1730 (rest_of_handle_final): Ditto.
1731 (rest_of_handle_shorten_branches): Ditto.
1732 (rest_of_clean_state): Ditto.
1733 * gcc/omp-low.c (execute_expand_omp): Ditto.
1734 (execute_lower_omp): Ditto.
1735 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
1736 * gcc/ipa-reference.c (static_execute): Ditto.
1737 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
1738 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
1739 (rest_of_handle_machine_reorg): Ditto.
1740 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
1741 * gcc/flow.c (recompute_reg_usage): Ditto.
1742 (rest_of_handle_remove_death_notes): Ditto.
1743 (rest_of_handle_life): Ditto.
1744 (rest_of_handle_flow2): Ditto.
1745 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
1746 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
1747 (do_ssa_store_ccp): Ditto.
1748 (execute_fold_all_builtins): Ditto.
1749 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
1750 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
1751 * gcc/ipa-pure-const.c (static_execute): Ditto.
1752 * gcc/cse.c (rest_of_handle_cse): Ditto.
1753 (rest_of_handle_cse2): Ditto.
1754 * gcc/web.c (rest_of_handle_web): Ditto.
1755 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
1756 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
1757 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
1758 * gcc/tree-nrv.c (tree_nrv): Ditto.
1759 (execute_return_slot_opt): Ditto.
1760 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
1761 (create_structure_vars): Ditto.
1762 * gcc/loop-init.c (rtl_loop_init): Ditto.
1763 (rtl_loop_done): Ditto.
1764 (rtl_move_loop_invariants): Ditto.
1765 (rtl_unswitch): Ditto.
1766 (rtl_unroll_and_peel_loops): Ditto.
1767 (rtl_doloop): Ditto.
1768 * gcc/gimple-low.c (lower_function_body): Ditto.
1769 (mark_used_blocks): Ditto.
1770 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
1771 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
1772 (cgraph_early_inlining): Ditto.
1773 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
1774 * gcc/jump.c (cleanup_barriers): Ditto.
1775 (purge_line_number_notes): Ditto.
1776 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
1777 (rest_of_handle_if_after_reload): Ditto.
1778 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
1779 (tree_ssa_loop_im): Ditto.
1780 (tree_ssa_loop_unswitch): Ditto.
1781 (tree_vectorize): Ditto.
1782 (tree_linear_transform): Ditto.
1783 (tree_ssa_loop_ivcanon): Ditto.
1784 (tree_ssa_empty_loop): Ditto.
1785 (tree_ssa_loop_bounds): Ditto.
1786 (tree_complete_unroll): Ditto.
1787 (tree_ssa_loop_prefetch): Ditto.
1788 (tree_ssa_loop_ivopts): Ditto.
1789 (tree_ssa_loop_done): Ditto.
1790 * gcc/predict.c (tree_estimate_probability): Ditto.
1791 * gcc/recog.c (split_all_insns_noflow): Ditto.
1792 (rest_of_handle_peephole2): Ditto.
1793 (rest_of_handle_split_all_insns): Ditto.
1794 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
1795 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
1796 (rest_of_handle_stack_adjustments): Ditto.
1797 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
1798 * gcc/function.c (instantiate_virtual_regs): Ditto.
1799 (init_function_for_compilation): Ditto.
1800 (rest_of_handle_check_leaf_regs): Ditto.
1801 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
1802 (rest_of_handle_gcse): Ditto.
1803 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
1804 * gcc/alias.c (rest_of_handle_cfg): Ditto.
1805 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
1806 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
1807 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
1808 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
1809 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
1810 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
1811 * gcc/except.c (set_nothrow_function_flags): Ditto.
1812 (convert_to_eh_region_ranges): Ditto.
1813 (rest_of_handle_eh): Ditto.
1814 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
1815 (remove_unnecessary_notes): Ditto.
1816 * gcc/except.h (set_nothrow_function_flags): Ditto.
1817 (convert_to_eh_region_ranges): Ditto.
1818 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
1819 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
1820 * gcc/tree-ssa-pre.c (do_pre): Ditto.
1821 (execute_fre): Ditto.
1822 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
1823 (rest_of_handle_jump2): Ditto.
1824 * gcc/tree-sra.c (tree_sra): Ditto.
1825 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
1826 (execute_mudflap_function_decls): Ditto.
1827 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
1828 (do_store_copy_prop): Ditto.
1829 * gcc/ipa-prop.h (ipcp_driver): Ditto.
1830 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
1831 * gcc/tree-ssa-forwprop.c
1832 (tree_ssa_forward_propagate_single_use_vars): Ditto.
1833 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
1834 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
1835 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
1836 (execute_late_warn_uninitialized): Ditto.
1837 * gcc/rtl.h (cleanup_barriers): Ditto.
1838 (split_all_insns_noflow): Ditto.
1839 (purge_line_number_notes): Ditto.
1840 (unshare_all_rtl): Ditto.
1841 (remove_unnecessary_notes): Ditto.
1842 (recompute_reg_usage): Ditto.
1843 (variable_tracking_main): Ditto.
1844 * gcc/integrate.c (emit_initial_value_sets): Ditto.
1845 * gcc/integrate.h (emit_initial_value_sets): Ditto.
1846 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
1847 (execute_free_cfg_annotations): Ditto.
1848 (execute_fixup_cfg): Ditto.
1849 (execute_cleanup_cfg_pre_ipa): Ditto.
1850 (execute_cleanup_cfg_post_optimizing): Ditto.
1851 (execute_init_datastructures): Ditto.
1852 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
1853 * gcc/combine.c (rest_of_handle_combine): Ditto.
1854 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
1855 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
1856 (rest_of_handle_reorder_blocks): Ditto.
1857 (rest_of_handle_partition_blocks): Ditto.
1858 * gcc/var-tracking.c (variable_tracking_main): Ditto.
1859 * gcc/tree-profile.c (tree_profiling): Ditto.
1860 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
1861 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
1862 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
1863 (rest_of_handle_sched2): Ditto.
1864 * gcc/basic-block.h (free_bb_insn): Ditto.
1865 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
1866 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
1867 (remove_useless_stmts): Ditto.
1868 (split_critical_edges): Ditto.
1869 (execute_warn_function_return): Ditto.
1870 (execute_warn_function_noreturn): Ditto.
1871 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
1872 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
1873 * gcc/passes.c (execute_one_pass): Run additional
1874 todos returned by execute function.
1875 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
1876 return a value.
1878 2006-03-02 Richard Guenther <rguenther@suse.de>
1880 * tree-ssa-alias.c (find_used_portions): Consider taking
1881 the address as making the variable not write-only.
1883 2006-03-02 Nick Clifton <nickc@redhat.com>
1885 * config.gcc (default_use_cxa_atexit): Extend the description of
1886 this configure variable. Set its default value to "yes" for
1887 Linux, NetBSD and ELF targets on the assumption that they will
1888 use C libraries with the __cxa_atexit function.
1890 2006-03-02 Ben Elliston <bje@au.ibm.com>
1892 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
1893 parameter as unused to suppress a build warning.
1895 2006-03-02 Ben Elliston <bje@au.ibm.com>
1897 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
1898 config/dfp-bit.c.
1900 2006-03-01 Roger Sayle <roger@eyesopen.com>
1902 PR other/26489
1903 * gthr-posix.h (__gthrw2): Define to take three parameters, the
1904 declared name, the weak reference name, and the typeof name.
1905 (__gthrw): Avoid expanding the declared name suffix.
1906 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
1908 2006-03-01 Jakub Jelinek <jakub@redhat.com>
1910 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
1911 from DWARF 3.
1912 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
1913 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
1914 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
1915 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
1916 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
1917 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
1918 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
1919 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
1920 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
1921 DW_DS_leading_separate, DW_DS_trailing_separate): New.
1922 (DW_END_default, DW_END_big, DW_END_little): New.
1923 (DW_END_lo_user, DW_END_hi_user): Define.
1924 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
1925 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
1926 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
1927 DW_LANG_D): New.
1929 2006-03-01 Diego Novillo <dnovillo@redhat.com>
1931 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
1932 Update all users.
1933 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
1934 Update all users.
1935 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
1936 Update all users.
1937 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
1938 Update all users.
1939 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
1940 to 'symbol_mem_tag'.
1941 Update all users.
1942 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
1943 rename.
1945 2006-03-01 Roger Sayle <roger@eyesopen.com>
1947 * builtins.c (fold_builtin_copysign): Delete unreachable code.
1949 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
1951 PR target/25761
1952 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
1953 MACHO_DYNAMIC_NO_PIC_P.
1954 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
1956 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
1958 PR target/26389
1959 * config/darwin-protos.h (darwin_asm_output_anchor):
1960 Declare.
1961 * config/darwin-sections.def (cstring_section):
1962 Add SECTION_MERGE to the flags.
1963 (literal4_section): Likewise.
1964 (literal8_section): Likewise.
1965 (objc_selector_refs_section): Likewise.
1966 (objc_cls_refs_section): Likewise.
1967 * config/darwin.c (darwin_asm_output_anchor): New
1968 function.
1969 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
1971 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
1973 Fix PR tree-optimization/26443
1974 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
1975 to todo and PROP_tmt_usage to properties_destroyed.
1976 * tree-ssa-ccp.c (pass_ccp): Ditto.
1977 (pass_store_ccp): Ditto.
1978 * tree-ssa-dom.c (pass_dominator): Ditto.
1980 2006-03-01 Diego Novillo <dnovillo@redhat.com>
1982 * tree-ssa-operands.c: Cleanup whitespace.
1983 (get_asm_expr_operands): Move before first invocation.
1984 (get_indirect_ref_operands): Likewise.
1985 (get_tmr_operands): Likewise.
1986 (get_call_expr_operands): Likewise.
1987 (append_def): Likewise.
1988 (append_use): Likewise.
1989 (append_v_may_def): Likewise.
1990 (append_v_must_def): Likewise.
1991 (add_call_clobber_ops): Likewise.
1992 (add_call_read_ops): Likewise.
1993 (add_stmt_operand): Likewise.
1994 (add_virtual_operand): Likewise.
1995 (build_ssa_operands): Likewise.
1997 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
1999 PR middle-end/26022
2000 Revert:
2001 PR middle-end/24437
2002 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
2003 with a call expr to ...
2004 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
2006 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2008 * tree-vrp.c (extract_range_from_assert): Remove special
2009 handling for types with super-types.
2011 2006-03-01 Ben Elliston <bje@au.ibm.com>
2013 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
2014 and powerpc64-*-linux* configurations.
2015 * config/t-dfprules: New file.
2017 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
2018 Compile dfp-bit.c from the source directory using -DWIDTH and
2019 $DFP_CFLAGS to control the compilation of that file, rather than
2020 generating width-specific versions in the build directory.
2021 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
2022 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
2024 2006-02-28 Zack Weinberg <zackw@panix.com>
2026 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
2027 continues to work.
2029 2006-02-28 Eric Christopher <echristo@apple.com>
2031 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
2032 Set up IN_LIBGCC definition of TARGET_64BIT.
2033 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
2035 2006-02-28 Roger Sayle <roger@eyesopen.com>
2037 PR middle-end/14752
2038 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
2039 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
2040 cases via the construction of "expr != 0".
2042 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
2044 * alias.c (alias_invariant, alias_invariant_size): Remove.
2045 (record_base_value): Remove.
2046 (memrefs_conflict_p): Don't look at alias_invariant.
2047 (end_alias_analysis): Don't free it.
2048 * alias.h (record_base_value): Remove prototype.
2050 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
2051 Adam Nemet <anemet@caviumnetworks.com>
2053 * rtl.h (truncated_to_mode): Declare it.
2054 (struct rtl_hooks): Add reg_truncated_to_mode hook.
2055 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
2056 (RTL_HOOKS_INITIALIZER): Include it.
2057 * rtlhooks.c (reg_truncated_to_mode_general): New function.
2058 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
2059 reg_truncated_to_mode.
2060 * rtlanal.c (truncated_to_mode): Define it.
2061 * simplify-rtx.c (simplify_unary_operation_1): Use it.
2063 2006-02-28 Jeff Law <law@redhat.com>
2065 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
2066 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
2067 the range allowed by TYPE_PRECISION.
2069 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
2071 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
2073 PR tree-optimization/26419
2074 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
2075 values of n.
2077 2006-02-27 Zack Weinberg <zackw@panix.com>
2079 * doc/md.texi: Fix typo in previous change.
2081 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
2083 * df.c: Remove.
2085 2006-02-27 Zack Weinberg <zackw@panix.com>
2087 * rtl.def (define_constraint, define_register_constraint)
2088 (define_memory_constraint, define_address_constraint): New MD forms.
2089 * gensupport.c (process_rtx): Put define_constraint etc on the
2090 predicate queue.
2091 * genpreds.c (process_define_predicate): Adjust comment. Validate
2092 the name, and call validate_exp to validate the expression.
2093 (mark_mode_tests, write_extract_subexp): Can assume correct input.
2094 (write_predicate_expr): Likewise. NAME argument no longer necessary;
2095 all callers changed.
2096 (validate_exp, needs_variable, struct constraint_data)
2097 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
2098 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
2099 (const_dbl_constraints, constraint_max_namelen)
2100 (have_register_constraints, have_memory_constraints)
2101 (have_address_constraints, have_address_constraints)
2102 (have_extra_constraints, have_const_int_constraints)
2103 (have_const_dbl_constraints, mangle, add_constraint)
2104 (process_define_constraint, process_define_register_constraint)
2105 (write_enum_constraint_num, write_lookup_constraint)
2106 (write_insn_constraint_len, write_regclass_for_constraint)
2107 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
2108 (write_insn_extra_memory_constraint)
2109 (write_insn_extra_address_constraint)
2110 (write_satisfies_constraint_fns): New.
2111 (write_tm_preds_h): If we have new-style constraint definitions,
2112 prototype the functions generated from them, and define the
2113 old constraint interface (still used by generic code) in terms of
2114 those functions.
2115 (write_insn_preds_c): If we have new-style constraint definitions,
2116 generate all relevant functions from those definitions.
2117 (main): Handle define_constraint etc.
2118 * genoutput.c (struct constraint_data, indep_constraints)
2119 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
2120 (mdep_constraint_len): New data structures and functions, defined
2121 #ifdef USE_MD_CONSTRAINTS.
2122 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
2123 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
2124 use new logic to validate operand constraints against constraint
2125 definitions.
2126 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
2127 defined.
2128 * defaults.h: If none of the old-style constraint macros are
2129 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
2130 old-style macros; and poison REG_CLASS_FROM_LETTER,
2131 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
2132 EXTRA_CONSTRAINT.
2133 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
2134 * doc/md.texi: Document new constraint-definition mechanism and the
2135 C interface it provides. Remove references to old mechanism
2136 elsewhere in the document.
2137 (Machine Constraints): Use pathnames relative to gcc directory,
2138 i.e. config/ARCH/FILE. Change i386 section to refer to
2139 config/i386/predicates.md; update that section to match docstrings.
2140 * doc/tm.texi: Move all documentation of the old constraint-
2141 definition macros to their own section, clearly mark as obsolete.
2143 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
2144 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
2145 definitions.
2146 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
2147 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
2148 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
2149 constraint strings.
2150 (splits and peepholes): Use satisfies_constraint_*.
2151 * config/i386/i386.c (memory_address_length)
2152 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
2154 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
2156 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
2157 scalar operation to be put back into the loop.
2159 2006-02-27 Jakub Jelinek <jakub@redhat.com>
2161 PR other/26208
2162 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
2163 (extract_cie_info): Handle S flag in augmentation string.
2164 (execute_cfa_program): If context->signal_frame, execute also
2165 fs->pc == context->ra instructions.
2166 (uw_frame_state_for): If context->signal_frame, don't subtract one
2167 from context->ra to find FDE.
2168 (uw_update_context_1): Set context->signal_frame to
2169 fs->signal_frame.
2170 (_Unwind_GetIPInfo): New function.
2171 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
2172 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
2173 of _Unwind_GetIP.
2174 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
2175 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
2176 * unwind-compat.c (_Unwind_GetIPInfo): New function.
2177 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
2178 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
2179 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
2180 * config/i386/linux-unwind.h (x86_fallback_frame_state,
2181 x86_64_fallback_frame_state): Set fs->signal_frame.
2182 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
2183 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
2184 (frob_update_context): Likewise. Workaround missing S flag in
2185 Linux 2.6.12 - 2.6.16 kernel vDSOs.
2186 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
2187 Remove the psw_addr + 1 hack.
2189 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
2191 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
2192 with aggregates here.
2193 (find_func_aliases): Remove code for &<aggregate> from here.
2195 2006-02-26 Roger Sayle <roger@eyesopen.com>
2197 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
2198 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
2199 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
2200 as (X & C) ne/eq 0.
2202 2006-02-26 Roger Sayle <roger@eyesopen.com>
2204 PR middle-end/19983
2205 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
2207 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
2209 * opts.c (decode_options): Do not handle flag_strength_reduce.
2210 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
2211 and OPT_fstrength_reduce.
2212 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
2213 flag_prefetch_loop_arrays for being nonzero.
2214 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
2215 no-ops.
2216 (fprefetch-loop-arrays-rtl): Removed.
2217 (flag_prefetch_loop_arrays): Do not specify the value.
2219 * doc/passes.texi: Update documentation of loop optimizer
2220 passes.
2221 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
2222 -frerun-loop-opt): Remove.
2224 2006-02-26 Richard Guenther <rguenther@suse.de>
2226 PR tree-optimization/26421
2227 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
2228 in function calls that are ADDR_EXPRs as using the whole structure.
2230 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
2232 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
2233 * tree-pass.h (pass_loop_optimize): Remove.
2234 * passes.c (pass_loop_optimize): Never run it.
2235 * toplev.c (backend_init): Don't call init_loop.
2236 * opts.c (flag_loop_optimize_set): Remove.
2237 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
2238 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
2239 the old RTL loop optimizer when profiling enabled.
2240 * predict.c (tree_estimate_probability): Always strip builtin_expect.
2241 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
2242 pre-headers for the sake of the old RTL loop optimizer.
2243 * Makefile.in: Remove all references to loop.o.
2245 * doc/invoke.texi: Remove all references to -floop-optimize
2246 and -frerun-loop-opt.
2248 2006-02-26 Zack Weinberg <zackw@panix.com>
2250 * doc/md.texi (Machine Constraints): Refer to all files with paths
2251 relative to gcc directory (i.e. config/CPU/file). Add missing
2252 @table @code ... @end table to M32C subsection.
2254 2006-02-26 Roger Sayle <roger@eyesopen.com>
2256 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
2257 (X & 1) == 0.
2258 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
2260 2006-02-26 Roger Sayle <roger@eyesopen.com>
2261 James A. Morrison <phython@gcc.gnu.org>
2263 PR middle-end/21137
2264 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
2265 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
2266 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
2267 signedness of the shift operation.
2269 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
2271 PR tree-optimization/26359
2272 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
2274 2006-02-25 Roger Sayle <roger@eyesopen.com>
2276 * simplify-rtx.c (simplify_relational_operation_1): Simplify
2277 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
2278 as X == 0, and some symmetry related transformations.
2279 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
2281 2006-02-25 Roger Sayle <roger@eyesopen.com>
2283 PR middle-end/23673
2284 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
2285 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
2286 symmetry related transformations. Fold (X^C1) == C2 as
2287 X == (C1^C2).
2289 2006-02-25 Juergen Weigert <jw@suse.de>
2290 Richard Guenther <rguenther@suse.de>
2292 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
2294 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
2296 * combine.c (gen_lowpart_or_truncate): Call
2297 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
2299 2006-02-24 Diego Novillo <dnovillo@redhat.com>
2301 * doc/invoke.texi: Move -fopenmp description to "Options for
2302 Code Generation".
2303 Remove reference to -lgomp.
2305 2006-02-24 David Edelsohn <edelsohn@gnu.org>
2307 * doc/install.texi: Require GNU tar version 1.14.
2309 2006-02-24 Geoffrey Keating <geoffk@apple.com>
2311 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
2312 * doc/invoke.texi (C++ Dialect Options): Document
2313 -fno-use-cxa-get-exception-ptr.
2314 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
2315 * configure: Regenerate.
2316 * c.opt (fuse-cxa-get-exception-ptr): New.
2317 * c-opts.c (c_common_handle_option): Handle
2318 OPT_fuse_cxa_get_exception_ptr.
2319 * c-common.c (flag_use_cxa_atexit): Update documentation.
2320 (flag_use_cxa_get_exception_ptr): New.
2321 * c-common.h (flag_use_cxa_get_exception_ptr): New.
2322 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
2323 documentation.
2324 (C_COMMON_OVERRIDE_OPTIONS): New.
2326 2006-02-24 Roger Sayle <roger@eyesopen.com>
2328 PR middle-end/24952
2329 * combine.c (try_combine): Explicitly check whether GET_CODE is
2330 a SET or a CLOBBER, instead on checking that it isn't a USE.
2332 2006-02-24 Roger Sayle <roger@eyesopen.com>
2334 * fold-const.c (fold_comparison): New subroutine of fold_binary
2335 containing transformations common to both the equality and
2336 ordering relational operators, factored out of fold_binary.
2337 (fold_binary): Separate out the equality operators (EQ_EXPR
2338 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
2339 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
2340 transformations common to both.
2341 (fold_div_compare): Fix latent bugs in the previously unreachable
2342 LT_EXPR and GE_EXPR cases.
2344 2006-02-24 David Edelsohn <edelsohn@gnu.org>
2346 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
2347 decl libname for clog to __clog on AIX.
2349 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
2351 2006-02-24 Alan Modra <amodra@bigpond.net.au>
2353 PR target/26453
2354 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
2355 output traceback table for thunks. Localise rs6000_stack_info call.
2357 2006-02-23 Roger Sayle <roger@eyesopen.com>
2358 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2360 * gthr-posix.h (__gthrw): Fix typo in comment.
2362 2006-02-23 Geoffrey Keating <geoffk@apple.com>
2364 * doc/cpp.texi (Character sets): Document that we do support
2365 input files to be in any character set.
2367 2006-02-23 Jeff Law <law@redhat.com>
2369 * tree.h (PHI_ARG_NONZERO): Remove.
2370 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
2371 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
2372 node to the new node.
2374 PR tree-optimization/26425
2375 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
2376 min/max, then assume its varying.
2378 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
2380 PR rtl-optimization/26316
2381 * rtlanal.c (enum may_trap_p_flags): New.
2382 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
2383 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
2384 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
2385 (may_trap_after_code_motion_p): New function.
2386 * loop-invariant.c (find_identical_invariants): Fix dump formating.
2387 (find_invariant_insn): Use may_trap_after_code_motion_p.
2388 * rtl.h (may_trap_after_code_motion_p): Declare.
2390 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
2392 * emit-rtl.c (immed_double_const): Cleanup.
2394 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
2396 Fix PR tree-optimization/26376
2397 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
2398 remove assert.
2400 2006-02-23 Jakub Jelinek <jakub@redhat.com>
2402 PR middle-end/26412
2403 * gimplify.c (omp_add_variable): Guard variable size decl test with
2404 DECL_SIZE (decl) check.
2406 2006-02-23 Richard Guenther <rguenther@suse.de>
2408 PR middle-end/26439
2409 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
2410 like aggregate types.
2412 2006-02-23 Jakub Jelinek <jakub@redhat.com>
2414 * configure.ac: Add --with{,out}-long-double-128 configure option.
2415 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
2416 * configure: Rebuilt.
2417 * config.in: Rebuilt.
2418 * doc/install.texi (Options specification): Document
2419 --with-long-double-128.
2421 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
2422 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
2423 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
2424 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
2426 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
2428 * config/s390/s390.c (override_options): Handle
2429 TARGET_DEFAULT_LONG_DOUBLE_128.
2431 * config/alpha/alpha.c (override_options): Handle
2432 TARGET_DEFAULT_LONG_DOUBLE_128.
2434 * config/sparc/sparc.c (sparc_override_options): Handle
2435 TARGET_DEFAULT_LONG_DOUBLE_128.
2437 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
2439 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
2440 (real-install-headers-tar, real-install-headers-cpio)
2441 (real-install-headers-cp): New targets.
2443 2006-02-22 Richard Sandiford <richard@codesourcery.com>
2445 * tree.h (variable_section): Delete.
2446 * varasm.c (variable_section): Delete.
2448 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
2450 * install.texi: Add notes on install.texi2html.
2451 (Building in parallel): Do not use footnotes.
2453 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
2455 PR libgomp/26234
2456 * doc/install.texi (Configuration): Document --disable-libgomp.
2458 2006-02-21 Geoffrey Keating <geoffk@apple.com>
2460 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
2462 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
2464 * config/i386/sse.md (vec_extractv2df_1_sse): New.
2465 (vec_extractv2df_0_sse): New.
2467 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
2469 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
2470 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
2471 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
2472 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
2473 to the result of the expression.
2474 (def_cfa_1): Adjust.
2475 (frame_pointer_cfa_offset): Rename to...
2476 (frame_pointer_fb_offset): ... this. Adjust all uses.
2477 (convert_cfa_to_loc_list): Rename to...
2478 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
2479 Pass it on to build_cfa_loc.
2480 (compute_frame_pointer_to_cfa_displacement): Rename to...
2481 (compute_frame_pointer_to_fb_displacement): ... this. New
2482 offset parameter. Use it in computation.
2483 (gen_subprogram_die): Compute cfa_fb_offset with the new
2484 macro, and use it to compute the fb loc list and the
2485 displacement.
2487 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
2489 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
2490 replaced with register_operand.
2491 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
2492 non-DREG is expensive.
2493 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
2494 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
2495 involving memory.
2497 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
2499 * doc/install.texi2html: Use set -e.
2501 2006-02-21 Richard Sandiford <richard@codesourcery.com>
2503 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
2504 (ASM_OUTPUT_SHARED_LOCAL): Delete.
2505 * doc/invoke.texi (-fshared-data): Delete.
2506 * common.opt (fshared-data): Delete.
2507 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
2508 (assemble_static_space): Remove #if 0 code.
2509 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
2510 (ASM_OUTPUT_SHARED_LOCAL): Poison.
2511 * config/cris/cris.h: Remove FIXME.
2513 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
2515 * doc/sourcebuild.texi (Front End Directory): No more double-colon
2516 hooks.
2518 2006-02-21 Jakub Jelinek <jakub@redhat.com>
2520 PR middle-end/26379
2521 * combine.c (simplify_shift_const_1): Disable nested shifts
2522 optimization for vector shifts.
2524 2006-02-20 Roger Sayle <roger@eyesopen.com>
2526 PR tree-optimization/26361
2527 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
2528 of unsigned integer types.
2530 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
2532 * tree-chrec.c (eq_evolutions_p): New.
2533 * tree-chrec.h (eq_evolutions_p): Declared.
2534 * tree-data-ref.c: Fix formatting.
2535 (datadep_stats, dependence_stats): New.
2536 (gcd): Moved...
2537 (print_direction_vector): New.
2538 (dump_data_dependence_relation): Use print_direction_vector.
2539 (object_analysis, create_data_ref): Handle COMPONENT_REF.
2540 (compute_subscript_distance): Static.
2541 (initialize_data_dependence_relation): Static. Get the number
2542 of loops surrounding the references from the callers, and initialize
2543 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
2544 base_object_differ_p analyzers.
2545 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
2546 compute_overlap_steps_for_affine_1_2,
2547 analyze_subscript_affine_affine): Count the classified dependences.
2548 Print a message when a test failed.
2549 (can_use_analyze_subscript_affine_affine): New.
2550 (analyze_siv_subscript): Compute the data dependences on symbolic
2551 scevs that verify can_use_analyze_subscript_affine_affine.
2552 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
2553 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
2554 Handle symbolic scevs.
2555 (analyze_overlapping_iterations): Let symbolic affine scevs to be
2556 analyzed.
2557 (subscript_dependence_tester): Moved...
2558 (build_classic_dist_vector, build_classic_dir_vector): Don't use
2559 lambda_vector_clear on newly allocated vectors. Get nb_loops from
2560 DDR_SIZE_VECT instead of getting it in parameter.
2561 (subscript_dependence_tester): ... here. Take as a parameter
2562 loop_nest_depth. Call build_classic_dist_vector and
2563 build_classic_dir_vector.
2564 (compute_affine_dependence): Update subscript_dependence_tester
2565 parameters. Update datadep_stats counters. Call
2566 compute_subscript_distance.
2567 (compute_self_dependence): Save the dist and dir vectors. Call
2568 compute_subscript_distance.
2569 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
2570 (compute_all_dependences): Reorder parameters as they were before
2571 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
2572 compute_subscript_distance. Update the use of
2573 compute_affine_dependence and initialize_data_dependence_relation.
2574 (find_data_references_in_loop): Handle COMPONENT_REF.
2575 (compute_data_dependences_for_loop): Initialize dependence_stats.
2576 Don't call build_classic_dist_vector and build_classic_dir_vector.
2577 Update the parameters of initialize_data_dependence_relation and
2578 compute_all_dependences. Print the statistics from datadep_stats.
2579 (analyze_all_data_dependences): Static. Not used until the pass for
2580 checking the data dependences is contributed.
2581 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
2582 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
2583 (initialize_data_dependence_relation, compute_affine_dependence,
2584 analyze_all_data_dependences, compute_subscript_distance): Removed.
2585 (print_direction_vector): New.
2586 * lambda.h (gcd): ... here.
2587 (lambda_vector_gcd): Moved here from gcd_vector.
2588 * lambda-code.c (gcd, gcd_vector): Removed.
2589 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
2590 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
2592 2006-02-20 Diego Novillo <dnovillo@redhat.com>
2594 * ipa-type-escape.c: Tidy some comments and white space.
2595 * tree-ssa-operands.c: Likewise.
2597 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
2599 PR tree-opt/25879
2600 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
2601 (dump_decl_name): Do not walk the decl tree chains.
2602 * tree-pass.h (TDF_CHAIN): Remove.
2604 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
2606 * Makefile.in (C): Remove
2607 (PROTO): Remove
2608 (.PHONY): Remove C and PROTO
2610 2006-02-20 Roger Sayle <roger@eyesopen.com>
2612 PR middle-end/26236
2613 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
2614 deprecated CHAR_TYPE tree code.
2616 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
2618 * configure.ac (target_list): Add install-info, dvi, html.
2619 * configure: Regenerate.
2621 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
2622 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
2623 treelang/Make-lang.in: Do not use double-colon rules.
2625 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
2627 * tree.h (struct tree_memory_tag): Add is_used_alone member.
2628 (TMT_USED_ALONE): New macro.
2629 * tree-pass.h (PROP_tmt_usage): New property.
2630 (TODO_update_tmt_usage): New todo.
2631 * tree-ssa-alias.c (updating_used_alone): New variable.
2632 (recalculate_used_alone): New function.
2633 (compute_may_aliases): Set updating_used_alone, call
2634 recalculate_used_alone.
2635 * tree-sra.c (pass_sra): Note that this pass destroys
2636 PROP_tmt_usage, and add TODO_update_tmt_usage.
2637 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
2638 * tree-flow.h (updating_used_alone): Prototype.
2639 (recalculate_used_alone): Ditto.
2640 * passes.c (execute_todo): Add code to set updating_used_alone,
2641 and call recalculate.
2642 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
2643 for clobber if used alone, and add assert to verify used_alone
2644 status.
2646 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
2648 * config/s390/s390.c (legitimize_pic_address): Assertions checking
2649 for non tls symbols added.
2650 (legitimize_address): Do nothing for PLUS expressions if one of the
2651 addends is a tls symbol reference.
2653 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
2655 PR bootstrap/25476
2657 * Makefile.in (LDFLAGS): Define from autoconf substitution.
2659 * Makefile.in (BOOTSTRAPPING): New.
2660 (quickstrap): New definition if BOOTSTRAPPING=yes.
2662 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
2663 * configure.ac: Substitute all_selected_languages with the languages
2664 that were configured. For all the other variables except
2665 lang_specs_files, include all the languages in the tree.
2666 * configure: Regenerate.
2668 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
2669 if there is one. Run the commands to run fixincludes in the same
2670 subshell.
2672 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
2673 * doc/install.texi: Document exact conventions for searching target tools.
2674 Document --with-build-time-tools. Document toplevel bootstrap. Document
2675 something more about building an Ada cross-compiler. Don't list GNU Make
2676 requirements which affect all platforms.
2678 2006-02-19 Roger Sayle <roger@eyesopen.com>
2680 PR middle-end/19543
2681 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
2682 only equivalent if the have both the same mode and precision.
2684 2006-02-20 Ben Elliston <bje@au.ibm.com>
2686 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
2688 2006-02-19 Roger Sayle <roger@eyesopen.com>
2689 Steven Bosscher <stevenb.gcc@gmail.com>
2691 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
2692 constant pool references to identify stack mode constants.
2693 * rtlanal.c (constant_pool_constant_p): New predicate to check
2694 whether operand is a floating point constant in the pool.
2695 * rtl.h (constant_pool_constant_p): Prototype here.
2696 * loop.c (scan_loop): Avoid hoisting constants from the constant
2697 pool on STACK_REGS targets.
2698 (load_mems): Likewise.
2699 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
2700 loads into x87 registers expensive in terms of register pressure.
2702 2006-02-19 Roger Sayle <roger@eyesopen.com>
2704 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
2705 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
2707 2006-02-19 David Edelsohn <edelsohn@gnu.org>
2709 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
2710 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
2712 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
2714 * doc/invoke.texi: Document -fipa-pta.
2715 * common.opt: Add ipa-pta option.
2716 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
2717 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
2718 (do_ds_constraint): Ditto.
2719 (get_constraint_for): Only add to referenced_vars if
2720 referenced_vars exists.
2721 (insert_into_field_list): Rewrite to do this unsorted.
2722 (insert_into_field_list_sorted): Rename old insert_into_field_list
2723 to this.
2724 (create_function_info_for): Use insert_into_field_list_sorted.
2725 (create_variable_info_for): Rewrite so it uses unsorted version,
2726 since the field list is sorted.
2727 (intra_create_variable_infos): Only add to referenced_vars if
2728 referenced_vars exists.
2729 (ipa_pta_execute): Init heapvars, and delete when done.
2730 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
2732 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2734 * doc/install.texi: Add missing `@samp'.
2736 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
2738 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
2739 Use the arguments.
2741 2006-02-18 Mark Wielaard <mark@klomp.org>
2743 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
2744 who added new 4.1 features, bug fixes and integration support.
2746 2006-02-18 David Edelsohn <edelsohn@gnu.org>
2748 PR target/26350
2749 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
2750 MEM for ABI_V4 pic.
2752 2006-02-18 Richard Sandiford <richard@codesourcery.com>
2754 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
2755 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
2756 (copy_insn_1): Likewise. Don't copy each field individually.
2757 Reindent.
2758 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
2759 of RTX_SIZE.
2760 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
2761 * rtl.c (rtx_size): Rename variable to...
2762 (rtx_code_size): ...this.
2763 (rtx_size): New function.
2764 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
2765 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
2766 Reindent.
2767 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
2768 * rtl.h (rtx_code_size): New variable.
2769 (rtx_size): Change from a variable to a function.
2770 (RTX_SIZE): Rename to...
2771 (RTX_CODE_SIZE): ...this.
2773 PR target/9703
2774 PR tree-optimization/17106
2775 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
2776 (Anchored Addresses): New section.
2777 * doc/invoke.texi (-fsection-anchors): Document.
2778 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
2779 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
2780 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
2781 * hooks.c (hook_bool_mode_rtx_false): New function.
2782 * hooks.h (hook_bool_mode_rtx_false): Declare.
2783 * gengtype.c (create_optional_field): New function.
2784 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
2785 SYMBOL_REF_IN_BLOCK_P is true.
2786 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
2787 (min_anchor_offset, max_anchor_offset): Likewise.
2788 (use_anchors_for_symbol_p): New hook.
2789 * toplev.c (compile_file): Call output_object_blocks.
2790 (target_supports_section_anchors_p): New function.
2791 (process_options): Check that -fsection-anchors is only used on
2792 targets that support it and when -funit-at-a-time is in effect.
2793 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
2794 if the decl doesn't have one.
2795 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
2796 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
2797 of force_const_mem through use_anchored_address.
2798 (expand_expr_constant): New function.
2799 (expand_expr_addr_expr_1): Call it. Use the same modifier when
2800 calling expand_expr for INDIRECT_REF.
2801 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
2802 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
2803 * expr.h (use_anchored_address): Declare.
2804 * loop-unroll.c: Don't declare rtx vectors here.
2805 * explow.c: Include output.h.
2806 (validize_mem): Call use_anchored_address.
2807 (use_anchored_address): New function.
2808 * common.opt (-fsection-anchors): New switch.
2809 * varasm.c (object_block_htab, anchor_labelno): New variables.
2810 (hash_section, object_block_entry_eq, object_block_entry_hash)
2811 (use_object_blocks_p, get_block_for_section, create_block_symbol)
2812 (use_blocks_for_decl_p, change_symbol_section): New functions.
2813 (get_variable_section): New function, split out from assemble_variable.
2814 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
2815 use_blocks_for_decl_p say so. Use change_symbol_section if the
2816 symbol has already been created.
2817 (assemble_variable_contents): New function, split out from...
2818 (assemble_variable): ...here. Don't output any code for
2819 block symbols; just pass them to place_block_symbol.
2820 Use get_variable_section and assemble_variable_contents.
2821 (get_constant_alignment, get_constant_section, get_constant_size): New
2822 functions, split from output_constant_def_contents.
2823 (build_constant_desc): Create a block symbol if use_object_blocks_p
2824 says so. Or into SYMBOL_REF_FLAGS.
2825 (assemble_constant_contents): New function, split from...
2826 (output_constant_def_contents): ...here. Don't output any code
2827 for block symbols; just pass them to place_section_symbol.
2828 Use get_constant_section and get_constant_alignment.
2829 (force_const_mem): Create a block symbol if use_object_blocks_p and
2830 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
2831 (output_constant_pool_1): Add an explicit alignment argument.
2832 Don't switch sections here.
2833 (output_constant_pool): Adjust call to output_constant_pool_1.
2834 Switch sections here instead. Don't output anything for block symbols;
2835 just pass them to place_block_symbol.
2836 (init_varasm_once): Initialize object_block_htab.
2837 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
2838 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
2839 (place_block_symbol, get_section_anchor, output_object_block)
2840 (output_object_block_htab, output_object_blocks): New functions.
2841 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
2842 (TARGET_ASM_OUT): Include it.
2843 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
2844 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
2845 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
2846 (TARGET_INITIALIZER): Include them.
2847 * rtl.c (rtl_check_failed_block_symbol): New function.
2848 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
2849 (block_symbol, object_block): New structures.
2850 (rtx_def): Add a block_symbol field to the union.
2851 (BLOCK_SYMBOL_CHECK): New macro.
2852 (rtl_check_failed_block_symbol): Declare.
2853 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
2854 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
2855 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
2856 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
2857 * output.h (output_section_symbols): Declare.
2858 (object_block): Name structure.
2859 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
2860 (default_use_anchors_for_symbol_p): Declare.
2861 * Makefile.in (RTL_BASE_H): Add vec.h.
2862 (explow.o): Depend on output.h.
2863 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
2864 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
2865 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
2866 (rs6000_use_blocks_for_constant_p): New function.
2868 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2870 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
2872 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
2874 PR tree-opt/25680
2875 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
2876 IMAGPART_EXPR.
2878 2006-02-18 Diego Novillo <dnovillo@redhat.com>
2880 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
2881 is_aliased.
2882 Update all users.
2884 2006-02-18 Jakub Jelinek <jakub@redhat.com>
2886 PR middle-end/26334
2887 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
2888 instead of DECL_REGISTER.
2890 2006-02-18 Olivier Hainque <hainque@adacore.com>
2892 PR ada/13408
2893 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
2895 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
2897 PR target/24837
2898 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
2899 * opth-gen.awk: Handle Var and InverseMask together.
2900 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
2901 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
2902 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
2903 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
2904 used together.
2905 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
2906 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
2907 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
2908 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
2909 LINUX_DYNAMIC_LINKER): Define.
2910 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
2911 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
2912 TARGET_GLIBC.
2913 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2914 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
2915 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2916 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2917 (TARGET_C99_FUNCTIONS): Don't define.
2918 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
2919 GLIBC_DYNAMIC_LINKER.
2920 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
2921 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
2922 GLIBC_DYNAMIC_LINKER64): Define.
2923 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
2924 LINUX_DYNAMIC_LINKER64.
2925 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2926 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2927 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
2928 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2929 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2930 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2931 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
2932 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
2933 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
2934 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
2935 and LINUX_DYNAMIC_LINKER32.
2936 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2937 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2938 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
2939 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2940 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
2941 TARGET_GLIBC.
2942 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
2943 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
2944 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
2945 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
2946 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
2947 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
2948 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
2949 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
2950 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
2951 LINUX_DYNAMIC_LINKER): Define.
2952 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
2953 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
2954 GLIBC_DYNAMIC_LINKER64): Define.
2955 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
2956 LINUX_DYNAMIC_LINKER64.
2957 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2958 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2959 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
2960 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
2961 LINUX_DYNAMIC_LINKER): Define.
2962 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2963 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
2964 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
2965 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
2966 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
2967 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
2968 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
2969 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
2970 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
2971 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2972 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2973 * doc/invoke.texi (-muclibc): Remove caveat about supported
2974 targets.
2976 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
2978 * doc/cpp.texi (__TIMESTAMP__): Document.
2980 2006-02-17 Roger Sayle <roger@eyesopen.com>
2982 PR middle-end/25600
2983 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
2984 C is one less than the width of X (and related transformations).
2985 * simplify-rtx.c (simplify_unary_operation_1): Transform
2986 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
2987 depending on STORE_FLAG_VALUE, were C is one less then the
2988 width of X.
2990 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
2992 Fix PR tree-optimization/26341
2993 * tree-ssa-operands.c (add_virtual_operand): Remove assert
2994 about NAME_MEMORY_TAG's.
2996 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2998 PR target/26255
2999 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
3000 with hardware float support, and software float support. Add fcpy
3001 alternative to hardware patterns. Add alternatives to copy between
3002 general and floating-point registers to the 32-bit pattern.
3003 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
3004 secondary reload to load a QI or HI mode constant into a floating
3005 point register.
3006 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
3007 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
3009 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
3011 PR target/26272
3012 * config/rs6000/darwin.md (load_macho_picbase_si): Add
3013 pc to the pattern.
3014 (load_macho_picbase_di): Likewise.
3016 2006-02-16 Jeff Law <law@redhat.com>
3018 * tree-vrp.c (set_value_range_to_nonnegative): New function.
3019 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
3020 (ssa_name_nonzero_p): Likewise.
3021 (get_value_range): Return NULL if VRP is not running.
3022 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
3023 VRP routines do not discover a range.
3024 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
3025 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
3026 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
3027 (tree_expr_nonnegative_p): Similarly.
3028 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
3029 (restore_nonzero_vars_to_original_value): Remove.
3030 (unsafe_associative_fp_binop): Remove.
3031 (tree_ssa_dominator_optimize): Remove initialization and
3032 finalization of nonzero_vars and nonzero_vars_stack.
3033 (dom_opt_initialize_block): No longer push marker on
3034 nonzero_vars_stack.
3035 (dom_opt_finalize_block): No longer call
3036 restore_nonzero_vars_to_original_value.
3037 (record_equivalences_from_phis): No longer look for
3038 nonzero PHI arguments.
3039 (cprop_into_successor_phis): No longer propagate nonzero
3040 property into PHI arguments. Lose unused argument. Caller
3041 updated.
3042 (record_equivalences_from_stmt): No longer record nonzero
3043 values for SSA_NAMEs.
3044 (lookup_avail_expr): No longer use nonzero_vars.
3046 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
3047 for sizetype when sizetype is unsigned.
3049 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
3051 PR rtl-optimization/25603
3052 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
3053 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
3054 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
3055 with new meaning of SETS.
3057 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
3059 PR target/20353
3060 PR target/24578
3061 PR target/24837
3062 * config/linux.opt: New file.
3063 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
3064 LINUX_DYNAMIC_LINKER): Define.
3065 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
3066 * config.gcc (*-*-linux*): Define extra_options.
3067 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
3068 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
3069 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
3070 GLIBC_DYNAMIC_LINKER.
3071 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
3072 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3073 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3074 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3075 * doc/invoke.texi (GNU/Linux Options): New section.
3077 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3079 * config/sparc/sparc.md (setjmp): Rewrite.
3080 (setjmp_32): Delete.
3081 (setjmp_64): Likewise.
3083 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
3085 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
3086 previous change.
3088 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
3090 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
3091 read-write uses.
3093 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
3095 PR rtl-optimization/26296
3096 * Makefile.in (loop-invariant.c): Add except.h dependency.
3097 * loop-invariant.c: Include except.h.
3098 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
3100 2005-02-16 Paul Brook <paul@codesourcery.com>
3102 * reload1.c (emit_reload_insns): Invalidate dead input registers used
3103 for reloads.
3105 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
3107 PR rtl-optimization/25636
3108 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
3109 when deciding whether an insn is an initializing insn.
3111 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
3113 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
3114 (tree_code_size): Ditto.
3115 * tree.h (struct tree_memory_tag): Remove parent_var.
3116 (struct tree_struct_field_tag): New.
3117 (SFT_OFFSET): New.
3118 (SFT_SIZE): New.
3119 (union tree_node): Add sft member.
3120 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
3121 specially here.
3122 (create_sft): Add size and offset argument, set SFT_OFFSET and
3123 SFT_SIZE.
3124 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
3125 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
3126 * tree-flow-inline.h (get_subvar_at): Update for
3127 SFT_OFFSET/SFT_SIZE.
3128 (var_can_have_subvars): Ditto.
3129 (overlap_subvar): Ditto.
3130 * print-tree.c (print_node): Print out interesting things for
3131 SFT's.
3132 * tree-flow.h (struct subvar): Remove offset and size members.
3133 * tree-ssa-operands.c (get_expr_operands): Update for
3134 get_indirect_ref_operands changes.
3135 (get_indirect_ref_operands): Call add_virtual_operand instead of
3136 add_stmt_operand. Only recurse on base var if requested.
3137 (access_can_touch_variable): New function.
3138 (add_stmt_operand): Split virtual operand handling into ...
3139 (add_virtual_operand): Here. Add offset, size, and for_clobber
3140 arguments. Prune alias sets.
3141 (add_call_clobber_ops): Call add_virtual_operand.
3143 2006-02-15 Jakub Jelinek <jakub@redhat.com>
3145 PR middle-end/26300
3146 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
3148 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
3149 than TREE_CODE as index into omp_clause_num_ops array.
3151 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
3153 PR rtl-optimization/26184
3154 * modulo-sched.c (generate_reg_moves): Free bitmap vector
3155 uses_of_defs.
3156 * modulo-sched.c (sms_schedule): Free g_arr pointer.
3157 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
3158 must_precede, must_follow and tobe_scheduled.
3160 PR other/26147
3161 * opts.c (common_handle_option): Free new_option pointer.
3162 * df-core.c (df_analyze): Free postorder pointer.
3164 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
3166 * Makefile.in: Fix the examples about the use of stamps
3168 2006-02-15 Michael Matz <matz@suse.de>
3170 PR middle-end/22275
3172 * stor-layout.c (layout_decl): Zero-width bitfields aren't
3173 influenced by maximum_field_alignment or DECL_PACKED.
3174 (update_alignment_for_field): Ditto.
3175 (place_field): Ditto.
3176 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
3177 this behaviour.
3179 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
3181 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
3182 (debug_flow_info): Pass it.
3183 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
3184 * bb-reorder.c (reorder_basic_blocks): Likewise.
3185 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
3186 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
3187 * flow.c (life_analysis, recompute_reg_usage): Likewise.
3188 * gcse.c (gcse_main, bypass_jumps): Likewise.
3189 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
3190 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
3191 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
3192 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
3193 * rtl.h (dump_flow_info): Adjust prototype.
3194 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
3195 * var-tracking.c (variable_tracking_main): Likewise.
3196 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
3197 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
3198 options.
3200 2006-02-15 Marcin Dalecki <martin@dalecki.de>
3202 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
3203 construction.
3205 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
3207 PR tree-optimization/26209
3208 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
3209 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
3210 eh edges.
3211 * tree-cfg.c (replace_uses_by): Do not alter cfg.
3213 2006-02-14 Roger Sayle <roger@eyesopen.com>
3215 PR middle-end/23670
3216 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
3217 (X,Y) and the corresponding symmetry related transformations.
3218 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
3219 (X,Y) and its symmetry related transformations.
3221 2006-02-14 Roger Sayle <roger@eyesopen.com>
3223 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
3224 and GEU.
3226 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
3228 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
3230 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3232 PR bootstrap/26053
3233 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
3234 support COMDAT group.
3235 * configure: Regenerate.
3237 2006-02-14 Roger Sayle <roger@eyesopen.com>
3239 PR middle-end/26279
3240 PR middle-end/26280
3241 PR middle-end/26283
3242 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
3244 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
3246 Fix PR tree-optimization/26260
3248 * doc/invoke.texi (max-fields-for-field-sensitive): Document
3249 param.
3250 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
3251 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
3252 * tree-ssa-structalias.c (create_variable_info_for): Use
3253 MAX_FIELDS_FOR_FIELD_SENSITIVE.
3255 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
3257 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
3258 Document.
3259 * tree-ssa-loop-niter.c (number_of_iterations_ne,
3260 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
3261 of the ending condition.
3262 * tree-ssa-loop-manip.c: Include params.h.
3263 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
3264 tree_unroll_loop): New functions.
3265 * tree-pass.h (pass_loop_prefetch): Declare.
3266 * loop.c (rest_of_handle_loop_optimize): Test for
3267 -fprefetch-loop-arrays-rtl.
3268 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
3269 * timevar.def (TV_TREE_PREFETCH): New timevar.
3270 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
3271 pass_loop_prefetch): New.
3272 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
3273 (cleanup_tree_cfg_loop): Call scev_reset.
3274 * common.opt (fprefetch-loop-arrays-rtl): Add.
3275 * tree-ssa-loop-prefetch.c: New file.
3276 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
3277 (new_temp_expr_table): Initialize expr_vars.
3278 (free_temp_expr_table): Cleanup expr_vars.
3279 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
3280 expressions from being merged into one.
3281 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
3282 (struct tree_niter_desc): Add control, bound and cmp fields.
3283 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
3284 Declare.
3285 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
3286 (tree-cfgcleanup.o): Add SCEV_H dependency.
3287 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
3288 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
3290 2006-02-14 Richard Guenther <rguenther@suse.de>
3292 PR tree-optimization/26258
3293 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
3294 in PHI argument processing.
3296 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
3298 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
3299 new expression in the requested machine mode.
3301 2006-02-13 Roger Sayle <roger@eyesopen.com>
3303 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
3304 directly, instead let do_compare_rtx_and_jump handle this for us.
3305 * expr.c (expand_expr_real_1): Likewise.
3306 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
3307 before do_jump_by_parts_greater.
3308 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
3309 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
3311 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3313 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
3315 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
3317 PR rtl-optimization/26235
3318 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
3319 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
3320 format.
3322 2006-02-13 Jeff Law <law@redhat.com>
3324 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
3325 TRUTH_XOR_EPR.
3327 2006-02-13 Jakub Jelinek <jakub@redhat.com>
3329 PR middle-end/26092
3330 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
3331 twice if decl is a builtin. When trying again, call get_callee_fndecl
3332 first to verify it is still a builtin.
3334 2006-02-13 Geoffrey Keating <geoffk@apple.com>
3336 * dwarf2out.c (base_type_die): Don't add AT_name here.
3337 (subrange_type_die): Don't add AT_name here.
3338 (modified_type_die): Rearrange code flow. Do add AT_name here.
3340 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
3342 PR rtl-optimization/26247
3343 PR rtl-optimization/26248
3344 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
3346 2006-02-13 Richard Sandiford <richard@codesourcery.com>
3348 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
3349 * config/fixtfdi.c: Likewise.
3350 * config/fixunstfdi.c: Likewise.
3351 * config/floatditf.c: Likewise.
3353 2006-02-13 Roger Sayle <roger@eyesopen.com>
3355 PR middle-end/24427
3356 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
3357 into (X,C2) if C1 is a subset of the bits of C2. Transform
3358 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
3359 (X&(C1&~C2))|C2.
3360 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
3362 2006-02-13 Josh Conner <jconner@apple.com>
3364 PR target/25376
3365 * varasm.c (function_section): Check for section name before
3366 calling select_section on targets that define
3367 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
3368 unlikely_text_section instead of hot_function_section if
3369 first_function_block_is_cold.
3371 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
3373 PR middle-end/25335
3374 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
3376 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
3378 PR rtl-optimization/26222
3379 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
3380 after tree->rtl expansion.
3381 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
3382 before passing it to emit_move_insn.
3384 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
3386 * doc/invoke.texi (-Write-strings): Document that it is enabled by
3387 default.
3388 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
3389 Clarify documentation.
3390 * c-common.h (warn_write_strings): Remove.
3391 * c-common.c (warn_write_strings): Likewise.
3392 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
3393 default for C++.
3395 2006-02-12 Roger Sayle <roger@eyesopen.com>
3397 PR middle-end/25724
3398 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
3399 (do_jump_parts_zero_rtx): New function renamed from
3400 do_jump_parts_equality_rtx. Made static. Add a mode argument.
3401 (do_jump_parts_equality_rtx): New function split out from
3402 do_jump_parts_equality. Old implementation renamed as above.
3403 Call do_jump_parts_zero_rtx if either operand is zero.
3404 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
3405 do all of the heavy lifting.
3406 (do_compare_rtx_and_jump): Handle multi-word comparisons by
3407 calling either do_jump_by_parts_greater_rtx or
3408 do_jump_by_parts_equality_rtx.
3409 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
3410 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
3411 moved to do_compare_rtx_and_jump, call it directly.
3412 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
3413 mode argument. Call do_compare_rtx_and_jump.
3414 (emit_case_nodes): Update calls to do_jump_if_equal.
3416 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
3418 PR rtl-optimization/26225
3419 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
3421 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
3423 PR rtl-optimization/26232
3424 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
3426 2006-02-11 Jason Merrill <jason@redhat.com>
3428 PR tree-opt/24365
3429 * tree-inline.c (declare_return_variable): Just don't use the
3430 modify target if it's a gimple complex reg and the return slot
3431 isn't.
3433 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3435 * doc/contrib.texi: Update my entry.
3437 2006-02-10 Geoffrey Keating <geoffk@apple.com>
3439 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
3441 2006-02-10 Diego Novillo <dnovillo@redhat.com>
3443 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
3444 expensive.
3446 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
3448 * doc/invoke.texi (-floop-optimize2): Removed.
3449 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
3450 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
3451 Test flag_branch_on_count_reg only if HAVE_doloop_end.
3452 * common.opt (floop-optimize2): Removed.
3453 (fmove-loop-invariants): Enabled by default.
3455 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
3457 * tree-if-conv.c (combine_blocks): Free the result of
3458 get_loop_exit_edges.
3460 2006-02-10 Jeff Law <law@redhat.com>
3462 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
3464 PR tree-optimization/26213
3465 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
3466 loop trying to follow SSA_NAME_VALUE chains.
3468 2006-02-10 Richard Guenther <rguenther@suse.de>
3470 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
3471 deal with structures that end in implicitly variable sized arrays.
3473 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
3475 PR rtl-optimization/24762
3476 * df-scan.c (df_bb_refs_record): Record correct registers defined on
3477 eh edges.
3479 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
3481 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
3482 (struct ivopts_data): Add regs_used field.
3483 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
3484 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
3485 instead of loop_data->regs_used;
3486 (free_loop_data): Do not free aux fields for loops.
3487 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
3488 and tree_ssa_iv_optimize_finalize.
3490 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
3492 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
3494 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
3496 PR target/26141
3497 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
3498 computing the effective result type.
3500 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
3502 PR inline-asm/16194
3503 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
3504 (tree_overlaps_hard_reg_set): Declare.
3505 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
3506 type and signature to match function type expected by walk_tree.
3507 (tree_overlaps_hard_reg_set): New function.
3508 (decl_conflicts_with_clobbers_p): Rename to:
3509 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
3510 Use tree_overlaps_hard_reg_set. Changed caller.
3511 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
3512 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
3513 * cris.c (cris_md_asm_clobbers): Likewise.
3515 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
3517 * reload1.c (emit_input_reload_insns): Delete code that tries to
3518 inherit using find_equiv_reg.
3520 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
3522 * c-common.h (flag_const_strings): Don't declare.
3523 * c-common.c (flag_const_strings): Remove.
3524 * c.opt (fconst_strings): Remove.
3525 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
3526 <OPT_Wwrite_strings>: Don't set flag_const_strings.
3527 (c_common_init_options): Don't set flag_const_strings.
3528 * doc/invoke.texi (-fno-const-strings): Remove documentation.
3530 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
3532 * arm.md (tlobits_cbranch): New pattern.
3533 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
3534 testing a single bit.
3536 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
3538 PR tree-opt/26179
3539 * tree-ssa-pre.c (create_component_ref_by_pieces):
3540 Handle RETURN_DECL like VAR_DECL.
3542 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
3544 PR middle-end/26134
3545 * fold-const.c (fold_indirect_ref_1): Fold
3546 "*(foo *)&complexfoo" to "__real__ complexfoo"
3547 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
3549 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
3551 * tree-flow-inline.h (var_can_have_subvars):
3552 Volatile variables should not have subvariables.
3554 2006-02-09 Diego Novillo <dnovillo@redhat.com>
3556 PR 26180
3557 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
3558 multiplying unsigned values.
3559 Tidy comments.
3561 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
3563 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
3565 2006-02-08 Jason Merrill <jason@redhat.com>
3567 PR c++/25979
3568 * tree.def: Elaborate on difference from MODIFY_EXPR.
3569 * doc/c-tree.texi (INIT_EXPR): Likewise.
3570 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
3571 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
3572 (gimplify_target_expr): Likewise.
3573 (gimplify_cond_expr): Remove target handling.
3574 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
3575 (gimplify_expr): Clobber it here.
3576 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
3577 Do return slot optimization if we have an INIT_EXPR.
3579 PR tree-opt/24365
3580 * tree-inline.c (declare_return_variable): Also clear
3581 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
3583 PR c++/16405
3584 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
3586 PR middle-end/22439
3587 * gimplify.c (gimplify_one_sizepos): Fix typo.
3589 2006-02-08 Jeff Law <law@redhat.com>
3591 PR tree-optimization/21417
3592 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
3593 across a backedge if the control statement at the end of the
3594 block is data dependent on other statements in the same block.
3595 (record_temporary_equivalences_from_stmts): Remove over-conservative
3596 test for threading across backedges.
3598 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
3599 control statement, handle all three special cases in the same
3600 manner as they all have the same desired solution. No longer
3601 special case edge flag updating when the post dominator is
3602 the exit block.
3604 2006-02-08 Roger Sayle <roger@eyesopen.com>
3606 * tree.def (CHAR_TYPE): Remove.
3607 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
3608 * dwarf2out.c (base_type_die, is_base_type): Likewise.
3609 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
3610 (gen_string_type_die): Delete unreachable function.
3612 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
3613 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
3614 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
3615 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
3616 * builtins.c (type_to_class): Likewise.
3617 * fold-const.c (fold_convert, build_range_check,
3618 merge_ranges): Likewise.
3619 * expr.c (count_type_elements): Likewise.
3620 * c-pretty-print.c (pp_c_type_specifier): Likewise.
3621 * stor-layout.c (layout_type): Likewise.
3622 * ipa-type-escape.c (type_to_consider): Likewise.
3623 * gimplify.c (omp_firstprivatize_type_sizes,
3624 gimplify_type_sizes): Likewise.
3625 * explow.c (promote_mode): Likewise.
3626 * tree-sra.c (is_sra_scalar_type): Likewise.
3627 * varasm.c (output_constant): Likewise.
3628 * tree-inline.c (remap_type_1): Likewise.
3629 * convert.c (convert_to_pointer, convert_to_real,
3630 convert_to_integer, convert_to_complex): Likewise.
3632 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
3634 * df-scan.c (df_def_record_1): A set destination may
3635 be a parallel regardless of mode.
3637 2006-02-08 Roger Sayle <roger@eyesopen.com>
3639 PR target/22209
3640 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
3641 * config/mips/_tilib.c: Remove.
3642 * config/fixtfdi.c: New libgcc source file.
3643 * config/fixunstfdi.c: New source file.
3644 * config/floatditf.c: New source file.
3645 * config/floatunditf.c: New souce file.
3646 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
3647 files above instead of config/mips/_tilib.c.
3648 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
3650 2006-02-08 Jeff Law <law@redhat.com>
3652 PR tree-optimization/26169
3653 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
3654 threading jumps.
3656 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
3658 * df.h (DF_REG_SIZE): Return the length of the initialized
3659 part of the array.
3661 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
3663 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
3664 __muldf3): Return a correctly signed zero.
3666 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
3668 * passes.c (register_one_dump_file): Accept the current properties
3669 instead of pass number. Adjust call to dump_register. Remove
3670 duplicated code.
3671 (register_dump_files): Now a wrapper around...
3672 (register_dump_files_1): ... this one. Do not modify the pass
3673 structure.
3674 (next_pass_1): Cosmetic fix.
3675 (execute_todo): Keep second parameter only. Use curr_properties
3676 instead of fetching it from the pass structure. Check and set
3677 last_verified.
3678 (execute_one_pass): Handle TODO_set_props. Use curr_properties
3679 instead of fetching it from the pass structure. Fix calls to
3680 execute_todo. Update curr_properties and initialize .vcg RTL dump
3681 after running the pass. Reset last_verified.
3682 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
3683 at the beginning.
3684 (FIRST_AUTO_NUMBERED_DUMP): New.
3685 (dump_register): Remove "num" parameter, assign it within the
3686 function.
3687 (get_dump_file_name): Modify template for dumps.
3688 * tree-dump.h (dump_register): Adjust prototype.
3689 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
3690 (PROP_trees): Add PROP_gimple_lomp.
3691 (TODO_set_props): New.
3692 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
3693 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
3694 * cfgexpand.c (pass_expand): Destroy PROP_trees.
3696 2006-02-08 Jakub Jelinek <jakub@redhat.com>
3698 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
3699 (sparc64-*-linux*): Likewise.
3700 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
3701 * config/sparc/t-linux: New file.
3702 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
3703 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
3704 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
3705 -m32 -mlong-double-128.
3707 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
3708 * config/alpha/t-linux: New file.
3709 * config/alpha/libgcc-alpha-ldbl.ver: New file.
3711 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
3712 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
3713 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
3714 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
3715 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
3716 (CPP_ARCH32_SPEC): Remove.
3718 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
3720 PR tree-optimization/26145
3721 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
3722 bbs pointer.
3724 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3726 PR target/26109
3727 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
3728 >= 240000 when generating code for SOM runtime.
3729 (output_indirect_call): Don't use "b,l" instruction for indirect calls
3730 to $$dyncall when generating code for SOM runtime..
3732 2006-02-07 Dirk Mueller <dmueller@suse.com>
3734 PR c++/18150
3735 * doc/invoke.texi (-Wsequence-point): Update documentation
3736 that -Wsequence-point is implemented for C++ as well.
3738 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
3740 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
3741 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
3742 (LIB_SPEC): Likewise.
3743 * doc/invoke.texi (SPARC options): Document -pthread.
3745 2006-02-07 Geoffrey Keating <geoffk@apple.com>
3747 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
3748 PIC addresses.
3750 2006-02-07 Roger Sayle <roger@eyesopen.com>
3752 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
3753 Correct comment describing BOOLEAN_TYPE.
3755 2006-02-07 Dirk Mueller <dmueller@suse.com>
3757 * c.opt: C++ frontend supports -Wdiv-by-zero.
3758 * c-opts.c (c_common_handle_option): Remove dead case.
3760 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
3762 * configure.ac (TLS assembler check): Do not enable TLS by
3763 default on SPARC/Solaris before version 10.
3764 * configure: Regenerate.
3766 2006-02-07 David Edelsohn <edelsohn@gnu.org>
3768 * doc/invoke.texi (xl-compat): Document conversion and support
3769 routine names.
3771 2006-02-07 Jeff Law <law@redhat.com>
3773 * tree-vrp.c (find_conditional_asserts): Update comments.
3774 (simplify_stmt_for_jump_threading): New.
3775 (identify_jump_threads, finalize_jump_threads): New.
3776 (vrp_finalize): Call identify_jump_threads.
3777 (execute_vrp): Call finalize_jump_threads.
3778 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
3779 (vrp_element, vrp_data, vrp_element_p): Remove.
3780 (vrp_hash_elt, vrp_variables_stack): Remove.
3781 (vrp_hash, vrp_eq, record_range): Remove.
3782 (simplify_cond_and_lookup_avail_expr): Remove.
3783 (extract_range_from_cond): Remove.
3784 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
3785 (simplify_stmt_for_jump_threading): New.
3786 (dom_thread_across_edge): New wrapper.
3787 (tree_ssa_dominator_optimize): No longer initialize or
3788 finalize any of the VRP datastructures. Remove iteration
3789 step and simplify as a result of removal of iteration step.
3790 (pass_dominator): Perform a cfg cleanup after DOM.
3791 (dom_opt_finalize_block): Use the new common routines
3792 for threading jumps. Simplify stack management slightly.
3793 No longer need to unwind VRP state.
3794 (record_equivalences_from_incoming_edge): No longer record
3795 VRP information.
3796 (eliminate_redundant_computations): No longer call
3797 simplify_cond_and_lookup_avail_expr.
3798 * tree-flow.h (potentially_threadable_block): Prototype.
3799 (thread_across_edge): Likewise.
3800 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
3801 (tree-ssa-threadedge.o): Add dependencies.
3802 * tree-ssa-threadedge.c: New file.
3803 * passes.c (init_optimization_passes): Merge PHIs before
3804 calling VRP. Run VRP again late in the SSA optimization pipeline.
3806 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
3808 * df-core.c (df_set_blocks): Do not dereference function pointers.
3809 (df_finish1): Likewise.
3810 (df_hybrid_search_forward): Likewise.
3811 (df_hybrid_search_backward): Likewise.
3812 (df_iterative_dataflow): Likewise.
3813 (df_analyze_problem): Likewise.
3814 (df_compact_blocks): Likewise.
3815 (df_dump): Likewise.
3816 * df-scan.c (df_rescan_blocks): Likewise.
3817 (df_record_entry_block_defs): Likewise.
3819 * genconditions.c (write_conditions): Guard the definition of
3820 'insn_conditions' with the check on GCC version.
3821 (write_writer): Guard the traversal 'insn_conditions' with
3822 the check on GCC version.
3824 2006-02-07 Richard Guenther <rguenther@suse.de>
3826 PR c++/26140
3827 Revert
3828 2006-01-30 Richard Guenther <rguenther@suse.de>
3829 PR c++/23372
3830 * gimplify.c (gimplify_target_expr): Handle easy cases
3831 without creating a temporary.
3833 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
3835 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
3836 use of float in probability computations. Use edge probabilities
3837 in place of statically computed probabilities.
3838 (min_spec_prob): New static variable.
3839 (schedule_insns): Initialize it.
3840 (GET_SRC_PROB): Removed.
3841 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
3843 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
3845 PR debug/24444
3846 * config/ia64/unwind-ia64.c: Revert last change.
3847 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
3848 (INCOMING_FRAME_SP_OFFSET): Define.
3850 2006-02-06 Roger Sayle <roger@eyesopen.com>
3852 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
3854 2006-02-07 Ben Elliston <bje@au.ibm.com>
3856 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
3857 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
3858 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
3859 (ix86_return_in_memory): Handle TDmode.
3860 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
3861 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
3863 2006-02-06 Richard Sandiford <richard@codesourcery.com>
3865 * reorg.c (dbr_schedule): Use dump_file instead of file.
3867 2006-02-06 Steve Ellcey <sje@cup.hp.com>
3869 PR target/25917
3870 * config/ia64/predicates.md (extr_len_operand): New predicate.
3871 * config/ia64/ia64.md (extv): Tighten constraints.
3872 (extzv): Ditto.
3873 (*tbit_and_2): Ditto.
3874 (*tbit_and_3): Ditto.
3875 (*tbit_or_2): Ditto.
3876 (*tbit_or_3): Ditto.
3877 (*bit_zero): Ditto.
3878 (*bit_one): Ditto.
3880 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
3882 PR target/23359
3883 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
3885 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
3887 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
3888 loop_optimizer_init and loop_optimizer_finalize
3889 * tree-ssa-sink.c (execute_sink_code): Ditto.
3890 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3891 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
3892 tree_ssa_loop_done): Ditto.
3893 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
3894 * sched-ebb.c: Include output.h.
3895 (schedule_ebbs): Do not use dump argument.
3896 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
3897 * loop.c (loop_dump_stream): Removed.
3898 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
3899 argument.
3900 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
3901 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
3902 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
3903 loop_iterations, strength_reduce, record_biv, record_giv,
3904 final_giv_value, check_final_value, check_ext_dependent_givs,
3905 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
3906 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
3907 dump_file instead of loop_dump_stream.
3908 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
3909 argument dump_file.
3910 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
3911 dump argument.
3912 * flow.c (life_analysis, rest_of_handle_life): Ditto.
3913 * haifa-sched.c: Include output.h
3914 (schedule_insns, sched_init): Do not use dump argument.
3915 * mode-switching.c (optimize_mode_switching): Ditto.
3916 * modulo-sched.c (stats_file): Removed.
3917 (print_node_sched_params): Do not call argument dump_file.
3918 (sms_schedule_by_order, loop_canon_p, sms_schedule,
3919 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
3920 of stats_file.
3921 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
3922 use dump argument.
3923 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
3924 rtl_loop_init, rtl_loop_done): Ditto.
3925 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
3926 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
3927 Ditto.
3928 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
3929 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
3930 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
3931 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
3932 * emit-rtl.c (renumber_insns): Ditto.
3933 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
3934 expand_gimple_basic_block, tree_expand_cfg): Ditto.
3935 * regclass.c (regclass): Ditto.
3936 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
3937 remove_ssa_form, rewrite_out_of_ssa): Ditto.
3938 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
3939 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
3940 Ditto.
3941 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
3942 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
3943 to regclass.
3944 * gcse.c (gcse_file, debug_stderr): Removed.
3945 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
3946 rest_of_handle_gcse): Do not use dump argument.
3947 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
3948 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
3949 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
3950 compute_code_hoist_vbeinout, compute_code_hoist_data,
3951 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
3952 compute_store_table, build_store_vectors, insert_insn_start_bb,
3953 insert_store, remove_reachable_equiv_notes, replace_store_insn,
3954 store_motion): Use dump_file instead of gcse_file.
3955 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
3956 * profile.c (profile_dump_file): Removed.
3957 (branch_prob): Use dump_file instead of profile_dump_file.
3958 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
3959 dump_file.
3960 * tree-ssa-copy.c (dump_copy_of): Ditto.
3961 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
3962 dump file to life_analysis.
3963 * bt-load.c (branch_target_load_optimize): Ditto.
3964 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
3965 renumber_insns.
3966 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
3967 regclass, dbr_schedule): Declaration changed.
3968 * sched-int.h (sched_init): Declaration changed.
3969 * tree-profile.c (tree_profile_dump_file): Removed.
3970 (tree_profile_hooks): Removed profile_dump_file hook.
3971 * rtl-profile (rtl_profile_dump_file): Removed.
3972 (rtl_profile_hooks): emoved profile_dump_file hook.
3973 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
3974 changed.
3975 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
3976 * tree-cfg.c (build_tree_cfg): Ditto.
3977 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
3978 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
3979 Declaration changed.
3980 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
3981 life_analysis and schedule_insns.
3982 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
3983 life_analysis.
3984 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
3985 dbr_schedule.
3986 * config/mips/mips.c (mips_reorg): Ditto.
3987 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
3988 schedule_ebbs.
3990 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
3992 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
3993 (s390_mangle_fundamental_type): New.
3994 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
3995 Define.
3997 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
3998 (alpha_mangle_fundamental_type): New.
3999 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4000 Define.
4002 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4003 Define.
4004 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4005 Define.
4006 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4007 (sparc_mangle_fundamental_type): New.
4009 2006-02-06 Jakub Jelinek <jakub@redhat.com>
4011 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
4012 (s390x-*-linux*): Likewise.
4013 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
4014 * config/s390/t-linux: New file.
4016 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
4018 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
4019 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
4021 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
4023 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
4024 (ANTIC_SAFE_LOADS): New macro.
4025 (find_or_generate_expression): Add prototype.
4026 (set_contains_value): Allow null set for sake of not always having
4027 to allocate ANTIC_SAFE_LOADS.
4028 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
4029 Allow COMPONENT_REF too.
4030 (valid_in_set): Allow COMPONENT_REF.
4031 Check ANTIC_SAFE_LOADS too.
4032 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
4033 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
4034 rename.
4035 (can_PRE_operation): Add COMPONENT_REF.
4036 (create_component_ref_by_pieces): New function.
4037 (create_expression_by_pieces): Use create_component_ref_by_pieces.
4038 (insert_aux): Move AGGREGATE_TYPE_P check here.
4039 (compute_avail): Set bb local stmt uids.
4040 (pass_pre): Use TODO_update_ssa_only_virtuals.
4042 2006-02-06 Ben Elliston <bje@au.ibm.com>
4044 * configure.ac: Unconditionally disable decimal float by default.
4045 * configure: Regenerate.
4047 2006-02-06 Ben Elliston <bje@au.ibm.com>
4049 * read-rtl.c (read_name): Terminate reading on EOF.
4051 2006-02-06 Ben Elliston <bje@au.ibm.com>
4053 * dfp.c (decimal_real_arithmetic): Change second argument type
4054 from int to enum tree_code. Do not always return true, but now
4055 return result of any call to decimal_do helper functions.
4056 * dfp.h (decimal_real_arithmetic): Update prototype.
4058 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
4060 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
4062 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
4064 PR tree-opt/25251
4065 * tree-cfg.c (cleanup_dead_labels): Also don't remove
4066 forced labels.
4068 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
4070 * tree-vrp.c (cfg_loops): Removed.
4071 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
4072 Use current_loops instead of cfg_loops. Pass flags to
4073 loop_optimizer_init.
4074 * cfgloopmanip.c (fix_loop_structure): Update only available
4075 information.
4076 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
4077 loop_optimizer_init.
4078 * modulo-sched.c (build_loops_structure): Removed.
4079 (sms_schedule): Use loop_optimizer_init.
4080 * loop-init.c (loop_optimizer_init): Use flags to determine
4081 which properties of loops to prepare.
4082 (rtl_loop_init): Pass flags to loop_optimizer_init.
4083 * tree-ssa-sink.c (execute_sink_code): Ditto.
4084 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
4085 * tree-ssa-pre.c (init_pre): Ditto.
4086 * cfgloop.h (LOOPS_NORMAL): New.
4087 (loop_optimizer_init): Declaration changed.
4089 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4091 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
4092 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
4093 pa/t-pa.
4094 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
4095 pa/t-pa.
4096 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
4097 pa/x-ada.
4098 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
4099 * pa/t-pa64: Delete quadlib.c rule.
4100 * pa/x-ada: Revert last change.
4101 * pa/t-pa: Revert last change. Delete quadlib.c rule.
4103 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
4105 PR rtl-optimization/26087
4106 * rtlanal.c (canonicalize_condition): Do not cross basic block
4107 boundaries.
4109 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
4111 PR debug/24444
4112 * config/ia64/ia64.c: Include debug.h.
4113 (MAX_ARTIFICIAL_LABEL_BYTES): New.
4114 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
4115 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
4116 (process_epilogue, process_set, process_for_unwind_directive):
4117 Output unwind info only if requested. Add CFA info if requested.
4118 Add new arguments as needed. Adjust callers.
4119 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
4120 incorrect default.
4121 (DWARF2_FRAME_INFO): Define to zero.
4122 * config/ia64/unwind-ia64.c: Remove code that compensated for
4123 the CFA offset error fixed above.
4124 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
4125 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
4126 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
4127 -funwind-tables and -fexceptions to enable frame info.
4128 (dwarf2out_frame_init): Define initial CFA even if
4129 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
4130 DWARF2_UNWIND_INFO is nonzero, not just defined.
4131 (dwarf2out_frame_finish): Output non-EH call frame info only
4132 if DWARF2_FRAME_INFO is nonzero.
4133 (convert_cfa_to_loc_list,
4134 compute_frame_pointer_to_cfa_displacement): Define even if
4135 unwind info is not supported.
4136 (gen_subprogram_die): Use the above unconditionally. Remove
4137 legacy alternate code.
4138 * toplev.c (compile_file): Compile in call to
4139 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
4140 (lang_dependent_init): Ditto for dwarf2out_frame_init.
4142 2006-02-04 David Edelsohn <edelsohn@gnu.org>
4143 Jakub Jelinek <jakub@redhat.com>
4145 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
4146 IBM extended float format long double as "g" on powerpc*-linux.
4148 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4150 PR target/25926
4151 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
4152 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
4154 2006-02-03 Jason Merrill <jason@redhat.com>
4156 PR c++/25979
4157 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
4159 PR middle-end/25977
4160 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
4161 on the return slot if it's an NRV.
4163 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
4165 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
4166 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
4167 rewrite_use): Do not handle USE_OUTER.
4168 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
4169 add_iv_outer_candidates, may_replace_final_value,
4170 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
4171 (find_interesting_uses_op): Functionality of
4172 find_interesting_uses_outer_or_nonlin moved here.
4173 (find_interesting_uses_outside): Use find_interesting_uses_op.
4175 2006-02-03 Alan Modra <amodra@bigpond.net.au>
4177 PR target/25960
4178 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
4180 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
4181 Ulrich Weigand <uweigand@de.ibm.com>
4183 PR target/25864
4184 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
4185 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
4186 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
4187 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
4188 and dxr fields.
4189 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
4190 (s390_rtx_costs): Use the new fields to calculate rtx costs.
4191 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
4192 Define secondary reloads for TFmode moves.
4193 (constant_modes): Add TFmode.
4194 (NR_C_MODES): Set to 8.
4195 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
4196 builtin define.
4197 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
4198 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
4199 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
4200 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
4201 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
4202 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
4203 (FPR mode macro): Add TFmode.
4204 (DSF mode macro): New.
4205 (<de>, <dee> mode attributes): Removed.
4206 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
4207 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
4208 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
4209 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
4210 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
4211 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
4212 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
4213 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
4214 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
4215 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
4216 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
4217 "*negabs<mode>2", "sqrt<mode>2"):
4218 Changed <de> to <xde>. R constraint replaced by <Rf>.
4219 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
4220 <Rf>.
4221 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
4222 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
4223 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
4224 splitters.
4225 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
4226 "extenddftf2", "extendsftf2"): New expanders.
4227 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
4228 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
4229 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
4230 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
4231 New options.
4232 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
4233 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
4234 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
4235 __floatditf): Add a GCC_4.1.0 symbol version tag.
4236 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
4237 the new options.
4239 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
4241 PR target/25377
4242 * config/i386/i386.c (ix86_function_ok_for_sibcall):
4243 Use targetm.binds_local_p instead of TREE_PUBLIC.
4245 2006-02-02 Roger Sayle <roger@eyesopen.com>
4247 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
4248 on INTEGER_TYPEs to indicate that it denotes a character type.
4249 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
4250 signed_char_type_node, unsigned_char_type_node and char_type_node.
4251 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
4252 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
4253 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
4255 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
4256 Daniel Berlin <dberlin@dberlin.org>
4258 * tree-tailcall.c (arg_needs_copy_p): New function.
4259 (eliminate_tail_call): Use arg_needs_copy_p.
4260 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
4261 (add_virtual_phis): New function.
4263 2006-02-02 Jakub Jelinek <jakub@redhat.com>
4265 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
4266 #ignore instead of #scratch for %g7 .register directive.
4268 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
4270 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
4271 object files.
4273 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
4275 * flow.c (calculate_global_regs_live): Assert that there aren't any
4276 EDGE_FAKE edges.
4278 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
4280 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
4281 what its name says.
4282 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
4283 bsi_after_labels iterator.
4284 * tree-if-conv.c (find_phi_replacement_condition,
4285 replace_phi_with_cond_modify_expr): Likewise.
4286 * tree-scalar-evolution.c (scev_const_prop): Likewise.
4287 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
4289 2006-02-02 Diego Novillo <dnovillo@redhat.com>
4291 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
4293 2006-02-02 Diego Novillo <dnovillo@redhat.com>
4295 PR 25990
4296 * tree-cfg.c (move_block_to_fn): Clear out the basic block
4297 array after growing it.
4299 2006-02-01 Steve Ellcey <sje@cup.hp.com>
4301 PR middle-end/24901
4302 * fold-const.c (fold_checksum_tree): Change type of buf.
4304 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
4306 * reload.c (push_secondary_reload): Initialize t_icode.
4308 2006-02-01 Jakub Jelinek <jakub@redhat.com>
4310 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
4311 -msoft-float -mlong-double-128 only issue a warning, but don't
4312 swich to DFmode long double.
4314 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
4316 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
4317 has a constant equivalent, iterate over equivalents for arg0,
4318 calling simplify_relational_operation and if there's a result
4319 cheaper than X, apply fold_rtx and return the result.
4321 2006-02-01 Jan Hubicka <jh@suse.cz>
4323 * opts.c (no_unit_at_a_time_default): New global variable.
4324 (decode_options): Use it.
4325 * opts.h (no_unit_at_a_time_default): Declare.
4327 2006-02-01 Paul Brook <paul@codesourcery.com>
4329 * function.c (assign_parm_setup_reg): Use function argument promotion
4330 rules.
4331 * expr.c (expand_expr_real_1): Use function argument promotion rules
4332 for PARM_DECLs.
4334 2006-02-01 Steve Ellcey <sje@cup.hp.com>
4336 * gcc.c (process_command): Change j to 'unsigned int'.
4338 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
4340 PR middle-end/26001
4341 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
4342 Use the corrected index for the character
4343 out of the string constant.
4345 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
4347 * mode-switching.c (optimize_mode_switching): Fix size
4348 allocated for bb_info[n_entities].
4350 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
4352 * gcc.c (main): Correct type that is allocated for
4353 explicit_link_files.
4355 2006-01-31 Jakub Jelinek <jakub@redhat.com>
4357 * config/s390/s390.c (init_alignment_context): Set
4358 ALIAS_SET_MEMORY_BARRIER on the MEM.
4359 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
4361 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
4363 PR middle-end/25933
4364 * loop-unroll.c (unroll_loop_runtime_iterations): Free
4365 dom_bbs pointer.
4366 * tree-ssa-live.c (type_var_init): Allocate bitmap after
4367 call to tpa_init.
4369 2006-01-31 Marcin Dalecki <martin@dalecki.de>
4371 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
4372 * regrename.c: Ditto.
4373 * tree-ssa-loop-im.c: Ditto.
4374 * tree-dump.c: Ditto.
4375 * tree-complex.c: Ditto.
4376 * genrecog.c: Ditto.
4377 * tree-ssa-threadupdate.c: Ditto.
4378 * tracer.c: Ditto.
4379 * java/class.c: Ditto.
4380 * java/jcf-parse.c: Ditto.
4381 * java/resource.c: Ditto.
4382 * java/except.c: Ditto.
4383 * java/jvspec.c: Ditto.
4384 * java/jcf-write.c: Ditto.
4385 * java/jcf-path.c: Ditto.
4386 * java/gjavah.c: Ditto.
4387 * java/zextract.c: Ditto.
4388 * java/jcf-io.c: Ditto.
4389 * java/jcf.h: Ditto.
4390 * java/buffer.c: Ditto.
4391 * java/lang.c: Ditto.
4392 * java/parse-scan.y: Ditto.
4393 * java/lex.c: Ditto.
4394 * java/lex.h: Ditto.
4395 * cfgloopmanip.c: Ditto.
4396 * postreload-gcse.c: Ditto.
4397 * tree-ssa-loop-manip.c: Ditto.
4398 * postreload.c: Ditto.
4399 * tree-ssa-loop-ch.c: Ditto.
4400 * loop.c: Ditto.
4401 * ipa-cp.c: Ditto.
4402 * cppspec.c: Ditto.
4403 * diagnostic.c: Ditto.
4404 * final.c: Ditto.
4405 * genoutput.c: Ditto.
4406 * gcc.c: Ditto.
4407 * cfghooks.c: Ditto.
4408 * cfgloopanal.c: Ditto.
4409 * objc/objc-act.c: Ditto.
4410 * gcov.c: Ditto.
4411 * genextract.c: Ditto.
4412 * genautomata.c: Ditto.
4413 * pretty-print.c: Ditto.
4414 * genemit.c: Ditto.
4415 * cgraphunit.c: Ditto.
4416 * flow.c: Ditto.
4417 * df-scan.c: Ditto.
4418 * haifa-sched.c: Ditto.
4419 * dominance.c: Ditto.
4420 * dbxout.c: Ditto.
4421 * tree-ssa-loop-ivopts.c: Ditto.
4422 * df-core.c: Ditto.
4423 * mode-switching.c: Ditto.
4424 * modulo-sched.c: Ditto.
4425 * graph.c: Ditto.
4426 * ipa-pure-const.c: Ditto.
4427 * cse.c: Ditto.
4428 * fix-header.c: Ditto.
4429 * web.c: Ditto.
4430 * tree-stdarg.c: Ditto.
4431 * ipa-utils.c: Ditto.
4432 * loop-init.c: Ditto.
4433 * ipa-inline.c: Ditto.
4434 * cfganal.c: Ditto.
4435 * global.c: Ditto.
4436 * alloc-pool.c: Ditto.
4437 * dwarf2out.c: Ditto.
4438 * opts.c: Ditto.
4439 * genattrtab.c: Ditto.
4440 * tree-ssa-loop-ivcanon.c: Ditto.
4441 * predict.c: Ditto.
4442 * timevar.c: Ditto.
4443 * lcm.c: Ditto.
4444 * fortran/gfortranspec.c: Ditto.
4445 * regmove.c: Ditto.
4446 * local-alloc.c: Ditto.
4447 * langhooks.c: Ditto.
4448 * function.c: Ditto.
4449 * tree-vectorizer.c: Ditto.
4450 * gcse.c: Ditto.
4451 * ipa-type-escape.c: Ditto.
4452 * alias.c: Ditto.
4453 * tree-if-conv.c: Ditto.
4454 * profile.c: Ditto.
4455 * ipa.c: Ditto.
4456 * tree-data-ref.c: Ditto.
4457 * loop-unroll.c: Ditto.
4458 * treelang/treetree.c: Ditto.
4459 * calls.c: Ditto.
4460 * bt-load.c: Ditto.
4461 * ggc-common.c: Ditto.
4462 * except.c: Ditto.
4463 * coverage.c: Ditto.
4464 * cselib.c: Ditto.
4465 * tree-cfgcleanup.c: Ditto.
4466 * tree-ssa-pre.c: Ditto.
4467 * cfgcleanup.c: Ditto.
4468 * loop-invariant.c: Ditto.
4469 * loop-iv.c: Ditto.
4470 * ipa-prop.c: Ditto.
4471 * print-tree.c: Ditto.
4472 * conflict.c: Ditto.
4473 * ggc-page.c: Ditto.
4474 * sched-deps.c: Ditto.
4475 * regclass.c: Ditto.
4476 * tree-object-size.c: Ditto.
4477 * combine.c: Ditto.
4478 * bb-reorder.c: Ditto.
4479 * resource.c: Ditto.
4480 * var-tracking.c: Ditto.
4481 * cfgloop.c: Ditto.
4482 * df-problems.c: Ditto.
4483 * reg-stack.c: Ditto.
4484 * tlink.c: Ditto.
4485 * gccspec.c: Ditto.
4486 * sched-rgn.c: Ditto.
4487 * tree-ssa-structalias.c: Ditto.
4488 * tree-ssa-reassoc.c: Ditto.
4489 * config/darwin-c.c: Ditto.
4490 * config/darwin.c: Ditto.
4491 * config/arm/arm.c: Ditto.
4492 * cfgrtl.c: Ditto.
4493 * collect2.c: Ditto.
4494 * reload1.c: Ditto.
4496 2006-01-31 Nicolas Pitre <nico@cam.org>
4498 * arm.md (smaxsi3): Make aware of smax_m1.
4499 (smax_m1): New.
4501 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
4503 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
4505 2006-01-31 Richard Guenther <rguenther@suse.de>
4507 * doc/invoke.texi (-msselibm): Document.
4508 * target.h (expand_library_builtin): New target hook.
4509 * builtins.c (expand_builtin): Use expand_library_builtin.
4510 (default_expand_library_builtin): New function.
4511 * gcc.c (LINK_GCC_MATH_SPEC): Define.
4512 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
4513 (link_gcc_math_spec): Declare.
4514 (static_specs): Add link_gcc_math_spec.
4515 * expr.h (default_expand_library_builtin): Declare.
4516 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4517 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
4518 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
4519 * config/i386/i386.opt (msselibm): New target option.
4520 * config/i386/i386.c (ix86_builtin_function_variants): New array.
4521 (ix86_init_sse_abi_builtins): New function.
4522 (ix86_expand_library_builtin): Likewise.
4523 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4524 (override_options): Handle error conditions wrt -msselibm.
4525 (ix86_builtins): Add function codes for SSE2 ABI builtins.
4526 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
4527 * doc/extend.texi (__builtin_sse2_*): Document new target specific
4528 builtins.
4530 2006-01-31 Richard Guenther <rguenther@suse.de>
4531 Paolo Bonzini <bonzini@gnu.org>
4533 * doc/install.texi (--disable-libgcc-math): Document.
4535 2006-01-30 Marcin Dalecki <martin@dalecki.de>
4537 * expr.h (expand_normal): new inline function.
4538 * builtins.c: use it, use EXPAND_NORMAL explicitely.
4539 * dojump.c: use it.
4540 * dwarf2out.c: use it.
4541 * expr.c: use it.
4542 * calls.c: use it.
4543 * expmed.c: use it.
4544 * except.c: use it.
4545 * config/sparc/sparc.c: use it.
4546 * config/i386/i386.c: use it.
4547 * config/rs6000/rs6000.c: use it.
4548 * config/arm/arm.c: use it.
4549 * config/mips/mips.c: use it.
4550 * stmt.c: use it, use EXPAND_NORMAL explicitely.
4552 2006-01-30 Roger Sayle <roger@eyesopen.com>
4554 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
4555 argv to the appropriate type.
4557 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
4559 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
4560 unreachable code.
4562 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
4564 PR target/26018
4565 * config/s390/s390.c (struct machine_function): New flag
4566 decomposed_literal_pool_addresses_ok_p.
4567 (s390_reorg): Set it before final stage of literal pool transforms.
4568 (s390_decompose_address): Only accept displacements of the form
4569 (minus (label_ref ...) (label_ref ...)) if that flag is set.
4571 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
4573 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
4574 the comparison routine return.
4576 2006-01-30 Michael Matz <matz@suse.de>
4578 * global.c (find_reg): Only evict for global regs.
4579 Take n_refs into account and dump more info.
4581 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
4583 PR target/14798:
4584 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
4585 (pragma_trap, pragma_nosave_low_regs): Likewise.
4586 (current_function_anonymous_args): Likewise.
4587 (sh_deferred_function_attributes): New variable.
4588 (sh_deferred_function_attributes_tail): Likewise.
4589 (print_operand): For '@', look up trap_exit attribute.
4590 (calc_live_regs): Look up trapa_handler attribute. For trapa
4591 handlers, save/restore fpscr, but don't do any other
4592 interrupt-specific saves.
4593 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
4594 Fix check for partially saved registers to check for SHmedia.
4595 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
4596 (sh_output_function_epilogue): Don't clear any of the removed
4597 variables.
4598 (sh_insert_attributes): Don't check pragma_interrupt.
4599 Insert deferred attributes. Check that interrupt attribute is
4600 present for other attributes that require its presence.
4601 (sh_attribute_table): Add new attributes trapa_handler and
4602 nosave_low_regs.
4603 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
4604 Don't check for pragma_interrupt. Don't store argument.
4605 * sh.h (pragma_interrupt, sp_switch): Don't declare.
4606 (sh_deferred_function_attributes): Declare.
4607 (sh_deferred_function_attributes_tail): Likewise.
4608 * sh.md (sp_switch_1): Add operand. Change generator caller.
4609 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
4610 (*return_i): Don't use when trap_exit attribute is in effect.
4611 (*return_trapa): New insn pattern.
4612 * sh-c.c: New file.
4613 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
4614 setting c_target_objs and cxx_target_objs.
4615 * t-sh: Add rule for sh-c.o.
4617 2006-01-30 Richard Guenther <rguenther@suse.de>
4619 PR c++/23372
4620 * gimplify.c (gimplify_target_expr): Handle easy cases
4621 without creating a temporary.
4623 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
4625 * vec.h (safe_grow): Remove duplicated line.
4627 2006-01-29 Diego Novillo <dnovillo@redhat.com>
4629 PR 25874
4630 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
4631 (expand_omp): ... here.
4632 (expand_omp_parallel): Only remove barriers for combined
4633 parallel+workshare constructs.
4635 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
4637 Revert
4639 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
4640 * tree.c (build_qualified_type): Chain the new type to the original
4641 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
4642 a POINTER_TYPE or a REFERENCE_TYPE respectively.
4643 (build_pointer_type_for_mode): Only return unqualified types.
4644 (build_reference_type_for_mode): Likewise.
4646 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
4648 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
4649 * Makefile.in (CXX_COMPAT_WARN): Define.
4650 * configure: Regenerate.
4652 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
4654 PR tree-opt/25911
4655 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
4656 to an if check.
4658 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
4660 * toplev.c: Fix thinko.
4662 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
4663 Marcin Dalecki <martin@dalecki.de>
4665 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
4666 (push_srcloc): Use XNEW.
4667 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
4669 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
4671 * df-core.c (df_set_blocks): Deleted all variable.
4673 2006-01-28 Ian Lance Taylor <ian@airs.com>
4675 * cgraphunit.c (cgraph_assemble_pending_functions): Call
4676 cgraph_output_pending_asms.
4678 2006-01-28 Zack Weinberg <zackw@panix.com>
4680 * c.opt: Add -W(no-)overlength-strings.
4681 * doc/invoke.texi: Document it.
4682 * c-opts.c (c_common_handle_option): -pedantic implies
4683 -Woverlength-strings, if not explicitly disabled already.
4684 (c_common_post_options): -Woverlength-strings defaults to off, and
4685 is always off for C++.
4686 * c-common.c (fix_string_type): Issue warning about strings longer
4687 than is portable only if warn_overlength_strings. Rearrange code
4688 a little for clarity.
4689 * configure.in: Check for -Wno-overlength-strings as well before
4690 enabling -pedantic in stage 1.
4691 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
4692 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
4694 * genconditions.c (write_header, write_one_condition)
4695 (write_conditions, write_writer): Consolidate very long strings
4696 that were broken up to fit in C89 portable limit. Don't use
4697 printf when fputs will do.
4699 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
4701 * combine.c (simplify_comparison <AND>): Check
4702 TRULY_NOOP_TRUNCATION before start using a subreg.
4704 * config/mips/mips.md (*branch_zero<mode>,
4705 *branch_zero<mode>_inverted, *branch_equality<mode>,
4706 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
4707 Remove mode check from comparisons.
4709 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
4711 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
4713 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
4715 * expmed.c (const_mult_add_overflow_p): Remove.
4716 * expr.h: Remove the prototype for const_mult_add_overflow_p.
4718 * recog.c (validate_replace_rtx_subexp): Remove.
4719 * recog.h: Remove the prototype for
4720 validate_replace_rtx_subexp.
4722 * integrate.h: Remove the prototype for
4723 copy_decl_for_inlining.
4724 * rtl.h: Remove the prototype for mark_constant_function.
4725 * tree-vectorizer.h: Remove the prototype for
4726 vect_strip_conversion.
4728 * modulo-sched.c (create_partial_schedule,
4729 free_partial_schedule, reset_partial_schedule): Make them
4730 static.
4732 * hooks.c (hook_bool_rtx_int_false): Remove.
4733 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
4735 2006-01-28 David Edelsohn <edelsohn@gnu.org>
4737 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
4738 and -mlong-double-128 are incompatible.
4739 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
4740 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
4741 (TARGET_LIBGCC2_CFLAGS): Define.
4742 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
4743 (TARGET_LIBGCC2_CFLAGS): Same.
4744 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
4746 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
4748 PR c/19606.
4749 * c-typeck.c (build_binary_op): Perform implicit casts of
4750 operands before shortening them.
4752 * cfgloopmanip.c (split_loop_bb): Remove.
4753 * cfgloop.h: Remove the prototype for split_loop_bb.
4755 * cfgloop.c (flow_loop_outside_edge_p): Remove.
4756 * cfgloop.h: Remove the prototype for
4757 flow_loop_outside_edge_p.
4759 * emit-rtl.c (init_virtual_regs): Make it static.
4760 * function.h: Remove the prototype for init_virtual_regs.
4762 * recog.c (peephole2_optimize): Make it static.
4763 * recog.h: Remove the prototype for peephole2_optimize.
4765 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
4767 * df-scan.c (df_record_entry_block_defs): Check if
4768 INCOMING_RETURN_ADDR_RTX is defined.
4770 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
4771 Kenneth Zadeck <zadeck@naturalbridge.com>
4773 PR rtl-optimization/24762
4774 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
4775 * targhooks.c (hook_void_bitmap): New hook prototype.
4776 * targhoohs.h (hook_void_bitmap): Ditto.
4777 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
4778 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
4779 * target.h (live_on_entry): New function pointer.
4780 * df-scan.c (df_all_hard_regs): Removed.
4781 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
4782 (df_scan_free_internal): Added df->entry_block_defs.
4783 (df_scan_alloc): Ditto.
4784 (df_scan_dump): Ditto.
4785 (df_uses_record): Plumbed flag field properly thru calls.
4786 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
4787 This part fixes PR24762.
4788 (df_bb_refs_record): Added code to make the frame and arg
4789 pointers live in EH blocks.
4790 (df_refs_record): Added call to df_record_entry_block_defs.
4791 (df_record_entry_block_defs): New function.
4792 * df-core.c: Added comments to describe new artifical defs.
4793 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
4794 (entry_block_defs): New field in struct df.
4795 (df_all_hard_regs): Deleted.
4796 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
4797 * df-problems.c (df_ru_bb_local_compute_process_def):
4798 Added code to handle artifical defs in the entry to a function.
4799 (df_ru_bb_local_compute): Ditto.
4800 (df_rd_bb_local_compute_process_def): Ditto.
4801 (df_rd_bb_local_compute): Ditto.
4802 (df_lr_bb_local_compute): Ditto.
4803 (df_ur_bb_local_compute): Ditto.
4804 (df_urec_bb_local_compute): Ditto.
4805 (df_chain_create_bb): Ditto.
4806 (df_ur_local_finalize): Removed entry.
4807 (df_urec_init): Ditto.
4808 (df_urec_local_finalize): Ditto.
4809 (df_ri_bb_compute): Added detection of last use of pseudos.
4810 * Makefile.in (df-scan.o): Updated dependencies.
4811 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
4812 * config/mips/mips.c (mips_set_live_on_entry): Added.
4813 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
4814 for target hook.
4815 * dce.c (marked_insn_p): Added code to handle artifical defs.
4817 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
4819 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
4820 intrinsic.
4821 (_mm_cvtsi128_si64): Likewise.
4822 (_mm_cvtsd_si64): Likewise.
4823 (_mm_cvttsd_si64): Likewise.
4824 (_mm_cvtsi64_sd): Likewise.
4825 (_mm_cvtsi64_si128): Likewise.
4826 * config/i386/mmintrin.h (_m_from_int64): Likewise.
4827 (_mm_cvtsi64_m64): Likewise.
4828 (_m_to_int64): Likewise.
4829 (_mm_cvtm64_si64): Likewise.
4830 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
4831 (_mm_cvttss_si64): Likewise.
4832 (_mm_cvtsi64_ss): Likewise.
4833 (_mm_cvtss_f32): Likewise.
4835 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
4837 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
4838 for pragma redefine_extname.
4840 2006-01-27 Jakub Jelinek <jakub@redhat.com>
4842 PR target/25864
4843 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
4844 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
4845 -mno-minimal-toc to previous content.
4846 (bispecs): Remove goal.
4847 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
4848 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
4849 compatibility aliases on powerpc-*-*gnu*.
4850 * config/rs6000/libgcc-ppc-glibc.ver: New file.
4851 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
4852 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
4853 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
4854 (ldblspecs): New goal.
4855 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
4856 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
4857 _df_to_tf.
4858 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
4859 L_sf_to_tf or L_df_to_tf is defined.
4861 2006-01-27 David Edelsohn <edelsohn@gnu.org>
4862 Alan Modra <amodra@bigpond.net.au>
4864 PR target/25864
4865 * config/rs6000/linux.h (POWERPC_LINUX): Define.
4866 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
4867 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
4868 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
4869 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
4870 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
4871 (rs6000_override_options): Initialize rs6000_ieeequad.
4872 Initialize TFmode format to ibm_extended_format if not
4873 TARGET_IEEEQUAD.
4874 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
4875 ieeelongdouble.
4876 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
4877 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
4878 (function_arg_advance): IBM long double passed in two FPRs, not
4879 split.
4880 (function_arg): IBM long double passed in FPRs.
4881 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
4882 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
4883 Only multireg GPR aligned.
4884 (rs6000_init_libfuncs): Enable IBM long double functions if not
4885 IEEEQUAD.
4886 (rs6000_generate_compare): Use IBM long double compare if not
4887 TARGET_IEEEQUAD.
4888 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
4889 (TARGET_IEEEQUAD): Define.
4890 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
4891 not TARGET_IEEEQUAD.
4892 * config/rs6000/rs6000.md: Enable TFmode patterns if
4893 !TARGET_IEEEQUAD.
4894 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
4895 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
4896 and -mlong-double-128 are incompatible.
4897 * doc/invoke.texi (-mabi): Collect options together. Add
4898 ibmlongdouble and ieeelongdouble.
4900 2006-01-27 Richard Sandiford <richard@codesourcery.com>
4902 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
4903 opaque type.
4904 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
4905 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
4906 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
4907 * rtl.h (rtunion_def): Remove rt_ptr.
4908 (X0PTR): Delete.
4909 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
4910 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
4911 * config/i386/winnt.c (i386_pe_mark_dllexport)
4912 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
4914 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
4916 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
4918 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
4920 PR other/24829
4921 PR target/24831
4922 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
4923 pthread_key_delete. From John David Anglin. gthrw-ify
4924 pthread_getunique_np only if it it's not a macro. Delete
4925 UNUSED macro.
4926 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
4927 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
4928 __gthread_objc_condition_signal, __gthread_key_delete): Add
4929 "__attribute__ ((__unused__))" to unused arguments.
4930 (__gthread_recursive_mutex_init_function): Add missing return.
4931 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
4932 gthr-posix95.h: Use macro-based approach for name redirection
4933 on targets missing weakref.
4935 2006-01-26 Zack Weinberg <zackw@panix.com>
4937 * genconditions.c (write_header): In generated code, #ifdef out
4938 all includes and fake declarations, except includes of bconfig.h
4939 and system.h, unless GCC_VERSION >= 3001. Do not include
4940 gensupport.h in any case.
4941 (write_conditions): Generate a definition of struct c_test. Add
4942 a comment to the generated #endif.
4943 (write_one_condition): Escape backslashes in string too.
4944 (write_writer): Generated code must escape backslashes and quote
4945 marks (but not newlines) in the strings it writes.
4946 * Makefile.in (build/gencondmd.o): Update dependencies.
4948 2006-01-26 Steve Ellcey <sje@cup.hp.com>
4950 PR target/25961
4951 * Makefile.in (insn-automata.o): Add header file dependencies.
4952 * genautomata.c: Add includes.
4954 2006-01-26 Steve Ellcey <sje@cup.hp.com>
4956 PR target/25961
4957 * Makefile.in (insn-automata.o): Add -Wno-error flag.
4959 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
4961 * configure.ac: Expect target tools paths to be passed from the toplevel
4962 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
4963 AS_SET_VAR_IF.
4964 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
4966 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
4968 PR c/25892
4969 * c.opt (Wpointer-sign): Init to -1.
4970 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
4971 OPT_pedantic, to 0 otherwise.
4972 * doc/invoke.texi: Update.
4974 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
4976 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
4977 constants provided by 80387 instructions in the destination mode.
4979 2006-01-26 Richard Guenther <rguenther@suse.de>
4980 Andrew Pinski <pinskia@physics.uc.edu>
4982 PR tree-opt/21470
4983 partial PR tree-opt/17064
4984 * tree-ssa-structalias.c (intra_create_variable_infos):
4985 Create heap variables for incoming parameters if
4986 flag_argument_noalias > 1.
4987 (find_what_p_points_to): Look through default defs of
4988 parameter decls.
4990 2006-01-26 Jeff Law <law@redhat.com>
4992 PR ada/25900
4993 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
4994 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
4995 within the VR_RANGE, use the VR_RANGE as the result, not the
4996 VR_ANTI_RANGE.
4997 (adjust_range_with_scev): Reject ranges from SCEV which are out of
4998 bounds for the type.
5000 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
5002 * tree-ssa-alias.c (maybe_create_global_var): Change
5003 subvar walking to an assertion that we don't have subvar'd variables.
5005 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
5007 PR C/25861
5008 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
5009 Use a new variable, inner. PARM_DECLs are always non-weak.
5011 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
5013 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
5014 --disable-checking.
5016 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
5018 * config/mips/mips.md (*clear_upper32): New combiner pattern.
5020 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
5022 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
5023 (smax_insn, smin_insn, smax_0, smin_0): New.
5025 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
5027 PR target/25947
5028 * config/cris/cris.c (cris_order_for_addsi3): New function.
5029 * config/cris/cris-protos.h: Prototype it.
5030 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
5031 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
5032 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
5033 (split for "op.S1 [rx=rx+i],ry (swapped)")
5034 (split for "op(s|u).S1 [rx=rx+i],ry")
5035 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
5036 Apply cris_order_for_addsi3 when generating addsi3 insns.
5038 2006-01-25 Diego Novillo <dnovillo@redhat.com>
5040 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
5041 (TREE_BLOCK): Add call to EXPR_CHECK.
5043 2006-01-25 Diego Novillo <dnovillo@redhat.com>
5045 PR 25886
5046 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
5047 * tree-pretty-print.c (dump_omp_clause): Extract from ...
5048 (dump_omp_clauses): ... here.
5049 (dump_generic_node): Handle OMP_CLAUSE.
5050 * tree.c (omp_clause_num_ops): New.
5051 (omp_clause_code_name): New.
5052 (tree_code_size): Handle OMP_CLAUSE.
5053 (tree_size): Likewise.
5054 (make_node): Document handling of OMP_CLAUSE.
5055 (tree_node_structure): Handle OMP_CLAUSE.
5056 (omp_clause_check_failed): New.
5057 (omp_clause_range_check_failed): New.
5058 (omp_clause_operand_check_failed): New.
5059 (build_omp_clause): New.
5060 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
5061 * tree.h (enum omp_clause_code): Declare.
5062 (OMP_CLAUSE_SUBCODE_CHECK): Define.
5063 (OMP_CLAUSE_RANGE_CHECK): Define.
5064 (OMP_CLAUSE_ELT_CHECK): Define.
5065 (omp_clause_check_failed): Declare.
5066 (omp_clause_operand_check_failed): Declare.
5067 (omp_clause_range_check_failed): Declare.
5068 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
5069 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
5070 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
5071 (OMP_CLAUSE_LASTPRIVATE): Likewise.
5072 (OMP_CLAUSE_IF_EXPR): Likewise.
5073 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
5074 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
5075 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
5076 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
5077 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
5078 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
5079 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
5080 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
5081 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
5082 (OMP_CLAUSE_CODE): Define.
5083 (OMP_CLAUSE_SET_CODE): Define.
5084 (OMP_CLAUSE_CODE): Define.
5085 (OMP_CLAUSE_OPERAND): Define.
5086 (struct tree_omp_clause): Declare.
5087 (union tree_node): Add field 'omp_clause'.
5088 * treestruct.def (TS_OMP_CLAUSE): Define.
5089 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
5090 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
5091 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
5092 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
5093 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
5094 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
5095 (OMP_CLAUSE): Define.
5096 * print-tree.c (print_node): Handle OMP_CLAUSE.
5097 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
5098 * c-typeck.c: Likewise.
5099 * gimplify.c: Likewise.
5100 * c-omp.c: Likewise.
5101 * tree-nested.c: Likewise.
5102 * tree-inline.c: Likewise.
5103 * c-parser.c: Likewise.
5104 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
5105 clauses.
5107 2006-01-25 Roger Sayle <roger@eyesopen.com>
5109 PR rtl-optimization/25703
5110 * combine.c (try_combine): Handle zero_extract and strict_low_part
5111 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
5113 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
5115 * global.c: Fix comment typos.
5117 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
5119 PR target/25758
5120 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
5121 Use output_addr_const instead of assemble_name.
5123 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
5125 * Makefile.in (sched-vis.o): Update dependencies.
5126 * haifa-sched.c (sched_finish): Clear current_sched_info.
5127 * cfg.c (dump_bb_info): New, split from dump_flow_info.
5128 (dump_flow_info): Call it.
5129 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
5130 a slim RTL dump.
5131 * basic-block.h (dump_bb_info): Declare.
5132 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
5133 option, and apply options only for dump files whose TDF_RTL,
5134 TDF_TREE, or TDF_IPA bits match.
5135 * rtl.h: Declare new functions exported from sched-vis.c.
5136 * sched-vis.c: Enable also if scheduling is not used.
5137 (print_value): Print the mode of registers if not inside scheduling.
5138 (print_insn): Make it work outside the scheduler. Beautify the output
5139 a bit.
5140 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
5142 2006-01-25 Richard Sandiford <richard@codesourcery.com>
5144 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
5145 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
5146 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
5147 depending on the value of CONSTANT_POOL_ADDRESS_P.
5148 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
5149 SYMBOL_REF_DECL.
5150 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
5151 rather than SYMBOL_REF_DECL.
5152 (rtx_constant_pool): Remove const_rtx_sym_htab.
5153 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
5154 (init_varasm_status): Don't initialize const_rtx_sym_htab.
5155 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
5156 Remove handling of const_rtx_sym_htab.
5157 (find_pool_constant): Delete.
5158 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
5159 rather than find_pool_constant.
5160 (get_pool_constant_for_function): Delete.
5161 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
5162 find_pool_constant.
5163 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
5164 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
5165 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
5166 (SYMBOL_REF_CONSTANT): New macro.
5167 (get_pool_constant_for_function): Delete.
5168 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
5169 rather than SYMBOL_REF_DECL.
5170 (i386_pe_mark_dllimport): Likewise.
5171 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
5172 rather than SYMBOL_REF_DECL.
5173 * config/darwin.c (machopic_indirect_data_reference): Likewise.
5174 (machopic_indirect_call_target): Likewise.
5176 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
5178 * flow.c (delete_noop_moves): Add missing EOL to dump message.
5180 2006-01-25 Richard Sandiford <richard@codesourcery.com>
5182 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
5184 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
5186 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
5188 2006-01-24 David Daney <ddaney@avtrex.com>
5190 PR java/25816
5191 * configure.ac (enable_tls): New enable option.
5192 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
5193 * configure: Regenerate.
5194 * doc/install.texi (--enable-tls): Document new option.
5195 (--disable-tls): Ditto.
5197 2006-01-24 Richard Henderson <rth@redehat.com>
5199 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
5200 * alias.c (true_dependence): Respect it.
5201 (canon_true_dependence, write_dependence_p): Likewise.
5202 * builtins.c (get_builtin_sync_mem): Set it.
5204 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
5206 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
5207 efficient way.
5209 2006-01-24 DJ Delorie <dj@redhat.com>
5211 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
5212 for storing constants in single-bit bitfields.
5214 2006-01-25 Ben Elliston <bje@au.ibm.com>
5216 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
5218 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
5220 PR tree-opt/25860
5221 * tree-ssa-pre.c (phi_translate): Return NULL
5222 for AGGREGATE_TYPE's.
5224 2006-01-24 Zack Weinberg <zackw@panix.com>
5226 * genautomata.c (process_state_for_insn_equiv_partition):
5227 Use xcalloc for insn_arcs_array.
5228 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
5229 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
5231 2006-01-24 Richard Henderson <rth@redhat.com>
5233 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
5234 update all callers.
5236 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
5238 PR rtl-optimization/25890
5239 PR rtl-optimization/25905
5240 * combine.c (expand_compound_operation, expand_field_assignment):
5241 Fail if the bitfield's final position is out of bounds.
5243 2006-01-24 Ian Lance Taylor <ian@airs.com>
5245 PR middle-end/25930
5246 * cgraphunit.c (cgraph_output_in_order): Don't clear
5247 cgraph_asm_nodes until after asm strings have been output.
5249 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
5251 * fix-header.c (read_scan_file): Add new parameter imultilib when
5252 calling register_include_chains.
5254 2006-01-23 Diego Novillo <dnovillo@redhat.com>
5256 * omp-low.c: Update documentation.
5258 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
5259 Daniel Berlin <dberlin@dberlin.org>
5261 PR tree-opt/25315
5262 PR tree-opt/25857
5263 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
5264 return from the function.
5266 2006-01-22 Zack Weinberg <zackw@panix.com>
5268 * rtl.def (match_code): Add second argument.
5269 * genpreds.c (write_extract_subexp): New function.
5270 (write_match_code): Add path argument. Use write_extract_subexp.
5271 (write_predicate_expr): Pass path to write_match_code.
5272 (mark_mode_tests): MATCH_CODE applied to a subexpression does
5273 not perform a mode test.
5274 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
5275 a subexpression does not constrain the top-level code set.
5276 * read-rtl.c (read_rtx_variadic): New function.
5277 (read_rtx_1): Use it; allow AND and IOR to be variadic.
5278 * doc/md.texi: Document new notation.
5279 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
5280 (cmpsi_operand): ... here, using new notation.
5282 2006-01-22 Zack Weinberg <zackw@panix.com>
5284 * varray.c: Remove GENERATOR_FILE #ifdefs.
5286 2006-01-22 Zack Weinberg <zackw@panix.com>
5288 * genautomata.c (output_reserved_units_table): Emit nothing if
5289 description->query_units_num is zero. Remove extra blank line.
5290 (output_cpu_unit_reservation_p): Short circuit
5291 if description->query_units_num is zero.
5293 2006-01-22 Zack Weinberg <zackw@panix.com>
5295 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
5296 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
5297 nor any of the random handful of variables that used to be necessary
5298 when this program was linked with rtlanal.o. Prune set of forward
5299 function declarations.
5300 (struct attr_desc): Remove static_p field.
5301 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
5302 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
5303 (attr_string): Do not read the character one past the length of
5304 the string.
5305 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
5306 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
5307 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
5308 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
5309 (make_automaton_attrs): New.
5310 (main): Do not call into genautomata. Call local gen_bypass
5311 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
5312 Remove special case for insn_alts.
5313 * genautomata.c: Include gensupport.h; not genattrtab.h nor
5314 varray.h (leftover from previous change). Prune set of forward
5315 function declarations. Remove state_alts fields from all
5316 structures. Remove state_alts_table from struct automaton.
5317 Make everything except main static. Do not maintain num_dfa_decls.
5318 Do not maintain state_alts fields of various structures.
5319 (process_decls): Don't validate condexp for dm_insn_reserv decls.
5320 (add_arc): Remove state_alts argument. All callers updated.
5321 (output_reserved_units_table): Emit #ifdef here...
5322 (output_tables): ...not here. Don't generate state_alts tables.
5323 (expand_automata): Don't generate attributes.
5324 (write_automata): Don't generate state_alts functions.
5325 (main): New function.
5326 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
5327 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
5328 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
5329 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
5330 (BYPASS_P_FUNC_NAME, output_state_alts_table)
5331 (output_automata_list_state_alts_code, output_internal_state_alts_func)
5332 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
5333 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
5334 Delete.
5335 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
5336 * genattrtab.h: Delete file.
5337 * Makefile.in (OBJS-common): Add insn-automata.o.
5338 (insn-automata.o): New rule.
5339 (simple_generated_c): Add insn-automata.c.
5340 (build/genattrtab.o, build/genautomata.o): Update dependencies.
5341 (genprogmd): Add automata.
5342 (build/genattrtab): Needs no extra objects nor libraries.
5343 (build/genautomata): Needs build/vec.o and -lm.
5345 2006-01-22 Zack Weinberg <zackw@panix.com>
5347 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
5348 (output_dfa_max_issue_rate, locked_states_num): Delete.
5349 (struct automaton): Add locked_states field.
5350 (output_dead_lock_vect): Save number of locked states in
5351 automaton->locked_states. If it is zero, don't print anything.
5352 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
5353 (output_internal_dead_lock_func): Only test the dead_lock_vect
5354 for automata that have locked states.
5355 (output_statistics): Always print the number of locked states for
5356 each automaton. Calculate total number of locked states here.
5357 (write_automata): Don't call output_dfa_max_issue_rate.
5358 * genattrtab.c: Define length_unit_log as a const variable.
5359 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
5360 max_insn_queue_index const.
5361 * final.c (length_unit_log): Declare const.
5362 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
5364 2006-01-22 Zack Weinberg <zackw@panix.com>
5366 * genautomata.c: Include vec.h, not varray.h.
5367 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
5368 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
5369 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
5370 VEC_* macros operating on appropriately typed vectors, or to
5371 malloced arrays when the size is known in advance. Const-ify
5372 many char* variables and function arguments. No functional changes.
5373 * Makefile.in (build/varray.o): Delete rule.
5374 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
5375 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
5377 2006-01-22 Zack Weinberg <zackw@panix.com>
5379 * gensupport.c: Define get_insn_name and record_insn_name here.
5380 (read_md_rtx): Call record_insn_name as appropriate.
5381 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
5382 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
5383 * genpreds.c, genrecog.c: Don't define get_insn_name nor
5384 record_insn_name.
5385 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
5386 (BUILD_VARRAY): Delete.
5387 (genprognormal): Rename genprogmd. Fold in all programs from
5388 genprognoprint; also attrtab.
5389 (build/genattrtab): Just mention genautomata.o and varray.o.
5390 Reorganize a bit, add comments to make the categories clearer.
5392 2006-01-22 Zack Weinberg <zackw@panix.com>
5394 * genconditions.c (condition_table, add_condition): Delete.
5395 (write_conditions): Don't emit n_insn_conditions nor
5396 insn_elision_unavailable. Issue the gcc version #ifdef here,
5397 inside the table, with no #else clause ...
5398 (write_header): ...not here.
5399 (write_writer): New function.
5400 (main): Don't initialize condition_table. Use add_c_test.
5401 Call write_writer.
5402 * gensupport.c (init_md_reader_args_cb): Handle multiple input
5403 files on the command line.
5404 (maybe_eval_c_test): Don't check insn_elision_unavailable.
5405 Return -1 if there is no entry in the table, don't abort.
5406 (add_c_test, traverse_c_tests): New functions.
5407 * gensupport.h (insn_elision_unavailable, insn_conditions)
5408 (n_insn_conditions): Delete declarations.
5409 (add_c_test, traverse_c_tests): Declare.
5410 * read-rtl.c: Include gensupport.h.
5411 (read_conditions): New function.
5412 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
5413 (read_rtx_1): If we get EOF when we were looking for an initial
5414 open paren, return 0. Call read_conditions when appropriate.
5415 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
5416 dummy-conditions.o. Eliminate references to insn-conditions.o,
5417 or change them to build/gencondmd.o, as appropriate. Remove
5418 insn-constants.h from $(simple_generated_h) and insn-conditions.c
5419 from $(simple_generated_c). For all files remaining in those
5420 two lists, add insn-conditions.md to the generator command line.
5421 Give insn-constants.h/s-constants their own rules. Add rules
5422 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
5423 (build/read-rtl.o): Depend on gensupport.h.
5424 (genprognormal): Include preds.
5425 (genprogearly): Rename genprognoprint; only difference is now that
5426 they don't link with $(BUILD_PRINT).
5427 * dummy-conditions.c: Delete.
5429 2006-01-22 Zack Weinberg <zackw@panix.com>
5431 * genextract.c: Don't include insn-config.h. Do include vec.h.
5432 Declare vectors of int, char, and locstr.
5433 (locstr): New typedef.
5434 (struct extraction): Make all array fields into bare pointers.
5435 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
5436 (insn_code_number): Delete.
5437 (accum_extract): New struct.
5438 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
5439 (gen_insn): Take insn_code_number as an argument. Use an
5440 accum_extract structure instead of loading data directly into
5441 a struct extraction, and having to know how big it might get.
5442 (walk_rtx): Operate entirely on an accum_extract structure.
5443 (print_path): Avoid unnecessary use of printf.
5444 (print_header): New function, split out of main. Distinguish
5445 more carefully between an unrecognizable insn and an insn that
5446 has the code number of a define_expand.
5447 (main): Pass insn_code_number to gen_insn. Call print_header
5448 only after parsing. Avoid unnecessary use of printf.
5449 * Makefile.in (build/vec.o): New rule.
5450 (build/genextract): Depend on build/vec.o.
5451 (build/genextract.o): Don't depend on insn-config.h.
5453 2006-01-22 Zack Weinberg <zackw@panix.com>
5455 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
5456 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
5457 practical. Eliminate per-generator-program link rules.
5459 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
5461 PR middle-end/24437
5462 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
5463 with a call expr to ...
5464 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
5466 2006-01-23 Richard Guenther <rguenther@suse.de>
5468 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
5469 before make_edge with conditional EDGE_TRUE_VALUE.
5471 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
5472 Jan Hubicka <jh@suse.cz>
5473 Richard Guenther <rguenther@suse.de>
5475 PR rtl-optimization/25654
5476 * cfgexpand.c (aggregate_contains_union_type): New function.
5477 (add_alias_set_conflicts): Call it. Make sure to add conflicts
5478 for structure variables that contain a union type.
5480 2006-01-23 Richard Sandiford <richard@codesourcery.com>
5482 * gengtype.c (new_structure): Return the structure.
5483 (create_option): Add an extra "next" argument.
5484 (create_field): New function.
5485 (adjust_field_rtx_def): Use create_option and create_field.
5486 Remove a now-unnecessary call to find_structure.
5487 (adjust_field_tree_def): Likewise.
5488 (note_yacc_type): Remove an unnecessary call to find_structure.
5489 * gengtype.h (new_structure): Return the structure.
5490 (create_option): Add an extra argument.
5491 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
5492 (option): Adjust calls to create_option.
5494 2006-01-22 David Edelsohn <edelsohn@gnu.org>
5496 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
5498 2006-01-22 Paul Brook <paul@codesourcery.com>
5499 Peter Barada <peter@the-baradas.com>
5501 * config/m68k/m68k.md: Add Coldfire FPU support.
5502 Define FP mode macro and associated attributes.
5503 Use it for float mode patterns.
5504 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
5505 (LIBCALL_VALUE): Use m68k_libcall_value.
5506 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
5507 (m68k_function_value): Ditto.
5508 (emit_move_sequence): Ditto.
5509 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
5510 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
5511 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
5512 (MULTILIB_EXCEPTIONS): Ditto.
5513 * config/m68k/m68k.opt: Add mcfv4e.
5514 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
5515 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
5516 (m68k_output_function_prologue): Save ColdFire FPU registers.
5517 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
5518 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
5519 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
5520 ColdFire FPU registers.
5521 (m68k_libcall_value, m68k_function_value): New functions.
5522 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
5523 (LIBCALL_VALUE): Use m68k_libcall_value.
5524 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
5525 (MASK_COLDFIRE): Add MASK_CFV4E.
5526 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
5527 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
5528 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
5529 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
5530 (GO_IF_LEGITIMATE_ADDRESS): Use it.
5531 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
5532 * doc/invoke.tex: Document -mcfv4e on m68k.
5534 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
5536 * doc/contribute.texi: Change CVS to SVN and update the corresponding
5537 URL.
5539 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
5541 PR c++/16190
5542 * c-opts.c (c_common_handle_option): Don't include
5543 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
5544 * doc/invoke.texi (C++ Dialect Options): Document that
5545 -Wnon-virtual-dtor is no longer included in -Wall.
5547 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
5549 * gcov.c (print_version), gcov-dump.c (print_version),
5550 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
5551 dates.
5553 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
5555 * df-scan.c (problem_SCAN): Added NULL reset function.
5556 (df_scan_reset_blocks): Added code to call reset block function
5557 (df_bb_refs_delete) Fixed comment.
5558 (df_insn_refs_delete): Made tolerant of deleting non existent info
5559 for dataflow problems that need to be reset.
5560 * df-core.c (df_set_blocks): Ditto.
5561 * df.h (struct df_problem): Added reset_fun.
5562 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
5563 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
5564 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
5565 functions to clear out all references to def-use or use-def chains.
5567 2006-01-21 Ben Elliston <bje@au.ibm.com>
5569 * varasm.c (assemble_real): Initialise data array.
5571 2006-01-20 Paul Brook <paul@codesourcery.com>
5573 Merge from csl-arm-branch.
5574 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
5575 * config/arm/arm.md (movdi): Force operands[1] to a register
5576 if we have a non-register source.
5577 (*arm_movdi, *movdf_soft_insn): Require that one of the
5578 operands be a register.
5579 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
5580 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
5582 2006-01-20 DJ Delorie <dj@redhat.com>
5584 * varasm.c (initialize_constant_valid_p): Allow pointers
5585 initialized from integer constants of lesser precision.
5586 (output_constant): Allow non-int-sized pointer modes to be
5587 initialized from integer constants.
5589 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
5591 PR libstdc++/25524
5592 * cppdefault.h (struct default_include): Add multilib flag.
5593 * cppdefault.c (cpp_include_defaults): Set it.
5594 * c.opt (-imultilib): New option.
5595 * c-opts.c (imultilib): New.
5596 (c_common_handle_option): Handle -imultilib.
5597 (c_common_post_options): Likewise.
5598 * c-incpath.c (add_standard_paths, register_include_chains):
5599 Likewise.
5600 * c-incpath.h (register_include_chains): Add extra parameter.
5601 * gcc.c (do_spec_1): Generate -imultilib option.
5602 (The Specs Language): Update %I description.
5603 (process_command): Update copyright notice.
5604 * doc/cppopts.texi (-imultilib): Document.
5605 * doc/invoke.texi (-imultilib): Include in option summary.
5606 (%I): Update specs documentation.
5608 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
5610 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
5612 2006-01-20 Richard Sandiford <richard@codesourcery.com>
5614 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
5615 label numbers.
5617 2006-01-20 Richard Guenther <rguenther@suse.de>
5618 Steven Bosscher <stevenb.gcc@gmail.com>
5620 PR rtl-optimization/24626
5621 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
5622 EDGE_TRUE_VALUE if in RTL mode.
5624 Revert
5625 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
5626 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
5628 2006-01-20 Dirk Mueller <dmueller@suse.com>
5630 PR c++/5520
5631 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
5632 instead of a special NOP marker.
5633 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
5634 NOP marker handling.
5635 * c-common.h (empty_body_warning): Add forward declaration.
5636 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
5637 Now uses IS_EMPTY_STMT() instead of special NOP markers.
5639 2006-01-20 Paul Brook <paul@codesourcery.com>
5641 * Makefile.in (lang_checks): Keep going if mkdir fails.
5643 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
5645 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
5646 be able to clean out basic block when not necessary.
5647 (df_scan_free): Fixed to properly delete information if df is
5648 unused before calling df_finish.
5649 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
5650 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
5651 or comment typos.
5652 (df_bb_refs_delete): New function.
5653 (df_refs_delete): Moved per block code to df_bb_refs_delete.
5654 * df-core.c (df_set_blocks): Added code to properly clean out
5655 unused blocks if they are not part of the blocks to consider.
5656 Added additional null check.
5657 (df_compact_blocks): Added basic block parameter to free_bb_fun to
5658 be able to clean out basic block when not necessary
5659 * df.h (df_free_bb_function): Ditto.
5660 (df_bb_refs_delete): New function.
5661 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
5662 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
5663 basic block parameter to be able to clean out basic block when not
5664 necessary.
5665 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
5666 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
5667 Fixed to properly delete information if df is unused before
5668 calling df_finish.
5670 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
5672 PR rtl-optimization/25799
5673 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
5674 Corrected confluence operator to remove bits from op2 before oring
5675 with op1 rather than removing bits from op1.
5676 (df_ru_transfer_function): Corrected test on wrong bitmap which
5677 caused infinite loop. Both of these problems were introduced in
5678 the dataflow rewrite.
5680 2006-01-19 DJ Delorie <dj@redhat.com>
5682 * reload1.c (find_reload_regs): Note the details of reload
5683 failures in the dump file.
5684 (spill_failure): Likewise.
5686 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
5688 * loop-iv.c: Include df.h and hashtab.h.
5689 (enum iv_grd_result): New enum.
5690 (DF_REF_IV, DF_REF_IV_SET): New macros.
5691 (struct biv_entry): New.
5692 (df, bivs): New global variables.
5693 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
5694 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
5695 Removed.
5696 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
5697 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
5698 analyzed_for_bivness_p, record_biv): New functions.
5699 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
5700 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
5701 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
5702 UD chains.
5703 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
5704 analysed.
5705 (iv_number_of_iterations): Use new interface to iv analysis.
5706 * loop-unroll.c: Do not include varray.h.
5707 (analyze_iv_to_split_insn): Use new interface to iv
5708 analysis.
5709 * loop-unswitch.c (may_unswitch_on): Ditto.
5710 * df.c (df_bitmaps_free): Only work for bbs for that structures are
5711 allocated.
5712 (df_bb_modify): Realloc tables to the new index.
5713 (df_find_use): New function.
5714 * df.h (df_find_use): Declare.
5715 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
5716 outmode.
5717 * cfgloop.h (struct rtx_iv): Remove analysed field.
5718 (iv_get_reaching_def): Removed.
5719 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
5720 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
5721 (loop-iv.o): Add df.h and hashtab.h dependency.
5722 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
5724 2006-01-20 Alan Modra <amodra@bigpond.net.au>
5726 PR target/25668
5727 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
5728 Double TFmode.
5729 (__floatundisf, __floatundidf): Likewise.
5730 * libgcc2.h (IS_IBM_EXTENDED): Define.
5732 2006-01-19 DJ Delorie <dj@redhat.com>
5734 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
5736 2006-01-19 Paul Brook <paul@codesourcery.com>
5738 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
5739 as nothrow when unwinding tables are disabled.
5741 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5743 PR testsuite/25171
5744 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
5745 of bit-field" when in system header.
5747 2006-01-19 DJ Delorie <dj@redhat.com>
5749 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
5750 the 16 bit shift limit of the m16c.
5752 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
5754 PR target/22099
5755 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
5756 * config/i386/i386.c (output_set_got): Output the label if we have one
5757 for the TARGET_DEEP_BRANCH_PREDICTION case.
5759 2006-01-19 Jan Hubicka <jh@suse.cz>
5760 H.J. Lu <hongjiu.lu@intel.com>
5761 Evandro Menezes <evandro.menezes@amd.com>
5763 * invoke.texi (generic): Document
5764 (i686) Update.
5765 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
5766 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
5767 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
5768 (x86_use_incdec, x86_pad_returns): New variables
5769 (TARGET_CPU_DEFAULT_generic): New constant
5770 (TARGET_CPU_DEFAULT_NAMES): Add generic.
5771 (enum processor_type): Add generic32 and generic64.
5772 * i386.md (cpu attribute): Add generic32/generic64
5773 (movhi splitter): Behave sanely when both partial_reg_dependency and
5774 partial_reg_stall are set.
5775 (K8 splitters): Enable for generic as well.
5776 * predicates.md (incdec_operand): Use TARGET_INCDEC
5777 (aligned_operand): Avoid memory mismatch stalls.
5778 * athlon.md: Enable for generic64, new patterns for 128bit moves.
5779 * ppro.md: Enable for generic32
5780 * i386.c (generic64_cost, generic32_cost): New.
5781 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
5782 (x86_use_leave): Enable for generic64. (x86_use_sahf,
5783 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
5784 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
5785 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
5786 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
5787 x86_partial_reg_dependency, x86_memory_mismatch_stall,
5788 x86_accumulate_outgoing_args, x86_prologue_using_move,
5789 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
5790 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
5791 Enable for generic.
5792 (x86_use_incdec, x86_pad_returns): New.
5793 (override_options): Add generic32 and generic64, translate "generic"
5794 to generic32/generic64 and "i686" to "generic32", refuse
5795 "generic32"/"generic64" as arch target.
5796 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
5797 (ix86_reorg): Honor PAD_RETURNS.
5799 2006-01-19 Diego Novillo <dnovillo@redhat.com>
5801 * tree-pretty-print.c (dump_generic_node): Handle
5802 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
5803 * cgraph.c (cgraph_expand_queue): Rename from
5804 cgraph_analyze_queue. Update all users.
5805 * cgraphunit.c (cgraph_assemble_pending_functions): Process
5806 cgraph_expand_queue.
5807 (cgraph_expand_all_functions): Likewise.
5808 (cgraph_finalize_pending_functions): Remove. Update callers.
5810 * tree.h (OMP_DIRECTIVE_P): Define.
5811 (OMP_PARALLEL_FN): Define.
5812 (OMP_PARALLEL_DATA_ARG): Define.
5813 (OMP_SECTIONS_SECTIONS): Define.
5814 * tree-pass.h (pass_expand_omp): Declare.
5815 * omp-low.c (struct omp_region): Declare.
5816 (struct omp_context): Remove fields 'parallel_type',
5817 'parallel_start_ix' and 'parallel_start_additional_args'.
5818 Update all users.
5819 (struct omp_for_data): Rename from struct expand_omp_for_data.
5820 (omp_regions): New static variable.
5821 (root_omp_region): New static variable.
5822 (find_omp_clause): Make static.
5823 (is_in_combined_parallel_ctx): Remove.
5824 (is_combined_parallel): New.
5825 (extract_omp_for_data): Move earlier in the file.
5826 (workshare_safe_to_combine_p): New.
5827 (get_ws_args_for): New.
5828 (determine_parallel_type): Move earlier in the file.
5829 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
5830 child function.
5831 (omp_copy_decl): Likewise.
5832 (create_omp_child_function): Likewise.
5833 (lookup_omp_region): New.
5834 (dump_omp_region): New.
5835 (debug_omp_region): New.
5836 (debug_all_omp_regions): New.
5837 (new_omp_region): New.
5838 (scan_omp_parallel): If parallel_nesting_level > 1, the
5839 directive is nested within another parallel directive.
5840 Set OMP_PARALLEL_FN.
5841 (scan_omp_for): Do not try to handle combined parallel+for
5842 cases.
5843 Remove FIXME comment.
5844 (scan_omp_nested): Remove.
5845 (scan_omp_1): Do not call scan_omp_nested when
5846 parallel_nesting_level is > 1.
5847 Do not change the DECL_CONTEXT of local variables found.
5848 (lookup_decl_in_outer_ctx): New.
5849 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
5850 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
5851 (lower_reduction_clauses): Rename from expand_reduction_clauses.
5852 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
5853 If CTX is nested, lookup VAR in the outer context when
5854 building copy assignment.
5855 (lower_send_clauses): Rename from expand_send_clauses.
5856 If CTX is nested, lookup VAR in the outer context when
5857 building copy assignments.
5858 (lower_send_shared_vars): Rename from expand_send_shared_vars.
5859 If CTX is nested, lookup VAR in the outer context when
5860 building copy assignments.
5861 (expand_parallel_call): Rename from build_parallel_call.
5862 Handle combined parallel+workshare cases.
5863 Re-implement to emit code into the CFG.
5864 (list2chain): New.
5865 (expand_omp_parallel): Re-implement to emit code into the CFG.
5866 Call move_sese_region_to_fn to outline the sub-graph
5867 containing the parallel region.
5868 (expand_omp_for_1): Remove.
5869 (expand_omp_for_generic): Re-implement to emit code into the
5870 CFG.
5871 (expand_omp_for_static_nochunk): Likewise.
5872 (expand_omp_for_static_chunk): Likewise.
5873 (expand_omp_for): Likewise.
5874 (expand_omp_sections): Likewise.
5875 (remove_exit_barriers): New.
5876 (expand_omp_synch): New.
5877 (expand_omp): New.
5878 (build_omp_regions_1): New.
5879 (build_omp_regions): New.
5880 (execute_expand_omp): New.
5881 (gate_expand_omp): New.
5882 (pass_expand_omp): Define.
5883 (lower_omp_sections): Rename from expand_omp_sections.
5884 Set OMP_SECTIONS_SECTIONS.
5885 (lower_omp_single_simple): Rename from expand_omp_single_simple.
5886 (lower_omp_single_copy): Rename from expand_omp_single_copy.
5887 (lower_omp_single): Rename from expand_omp_simple.
5888 (lower_omp_master): Rename from expand_omp_master.
5889 (lower_omp_ordered): Rename from expand_omp_ordered.
5890 (lower_omp_critical): Rename from expand_omp_critical.
5891 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
5892 (lower_omp_for): Re-implement.
5893 (lower_omp_parallel): Re-implement.
5894 (lower_regimplify): Rename from expand_regimplify.
5895 (lower_omp_1): Rename from expand_omp_1.
5896 If there are syntax errors in the program, replace every
5897 OpenMP directive with NOP.
5898 Call lower_omp_* instead of expand_omp_*.
5899 (lower_omp): Rename from expand_omp.
5901 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
5902 * tree-gimple.h (enum omp_parallel_type): Remove.
5903 (gimple_boolify): Declare extern.
5904 (find_omp_clause, determine_parallel_type): Remove.
5906 * gimple-low.c (lower_omp_directive): New.
5907 (lower_stmt): Call it.
5908 (record_vars_into): Move from ...
5909 (record_vars): ... here.
5910 Call record_vars_into with current_function_decl.
5912 * gimplify.c (struct gimplify_ctx): Remove fields
5913 combined_pre_p and combined_ctxp. Update users.
5914 (get_formal_tmp_var): Add documentation.
5915 (gimple_boolify): Make extern.
5916 (gimplify_expr_in_ctx): Remove. Update callers.
5917 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
5918 will always be a BIND_EXPR.
5919 (gimplify_expr): Handle OMP_RETURN_EXPR.
5920 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
5921 (OMP_PARALLEL): Add 3 operands.
5922 (OMP_SECTIONS): Add 1 operand.
5923 (OMP_RETURN_EXPR): Define.
5925 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
5926 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
5927 * tree-iterator.c (alloc_stmt_list): Assert that we are not
5928 creating a circular free list.
5929 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
5931 * tree-flow.h (move_sese_region_to_fn): Declare.
5932 (record_vars_into): Declare.
5933 * tree-cfg.c (make_omp_sections_edges): New.
5934 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
5935 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
5936 OMP_SECTIONS and OMP_SECTION.
5937 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
5938 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
5939 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
5940 (gather_blocks_in_sese_region): New.
5941 (struct move_stmt_d): Declare.
5942 (move_stmt_r): New.
5943 (move_block_to_fn): New.
5944 (move_sese_region_to_fn): New.
5946 * passes.c (init_optimization_passes): Schedule
5947 pass_expand_omp after pass_init_datastructures.
5949 * tree-ssa-operands.c (get_expr_operands): Handle
5950 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
5951 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
5953 2006-01-19 Jeff Law <law@redhat.com>
5955 * tree-vrp.c (extract_range_from_assert): Refine the result range
5956 if the variable referenced by the ASSERT_EXPR has a range and
5957 either the tentative result range or the previous range is a
5958 VR_ANTI_RANGE.
5960 2006-01-19 Richard Sandiford <richard@codesourcery.com>
5962 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
5964 2006-01-19 Jan Hubicka <jh@suse.cz>
5966 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
5968 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
5970 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
5971 (expand_compound_operation, expand_field_assignment): Fail if the
5972 bit lengths of an extract operation are out of range.
5973 (make_extraction): Compute wanted_inner_mode based on the position
5974 and length of the extraction. Make it extraction_mode for non-constant
5975 positions, and do not modify offset in that case. When generating a
5976 new MEM, use a mode that can hold the extraction while keeping correct
5977 alignment. Remove code that supported MEMs wrapped by USEs.
5978 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
5980 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
5982 * config/s390/s390.md ("Y", "y"): New mode attribute.
5983 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
5984 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
5985 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
5986 "*addsi3_imm_cc", "*addsi3_carry1_cc",
5987 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
5988 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
5989 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
5990 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
5991 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
5992 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
5993 "addsi3", "subsi3"): Insn patterns removed.
5994 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
5995 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
5996 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
5997 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
5998 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
5999 "*sub<mode>3_cconly2"): New insn patterns.
6000 ("addsi3", "subsi3"): New expanders.
6002 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
6004 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
6005 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
6006 existing STMT_VINFO_VECTYPE if available.
6007 (vect_mark_relevant): Add special handling for stmts that are
6008 marked as STMT_VINFO_IN_PATTERN_P.
6009 (vect_analyze_loop): Call vect_pattern_recog.
6010 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
6011 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
6012 stmt_info.
6013 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
6014 (vect_recog_func_ptr): New function-pointer type.
6015 * tree-vect-patterns.c: New file.
6016 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
6017 (vect_recog_dot_prod_pattern, vect_pattern_recog):
6018 (vect_pattern_recog_1): New functions.
6019 (vect_pattern_recog_funcs): New array of function pointers.
6021 * tree-vectorizer.h (ternary_op): New enum value.
6022 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
6023 declaration. Revised documentation. Removed redundant dump prints.
6024 Removed redundant argument. Added support for reduction patterns.
6025 (vectorizable_reduction): Added support for reduction patterns.
6026 (vect_transform_stmt): Added support for patterns.
6028 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
6029 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
6030 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
6031 (expand_widen_pattern_expr): New function.
6032 (init_optabs): Initialize new optabs udot_prod_optab,
6033 sdot_prod_optab.
6034 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
6035 (sdot_prod_optab, udot_prod_optab): Define new optabs.
6036 (expand_widen_pattern_expr): New function declaration.
6037 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
6038 tree-codes.
6039 * tree-inline.c (estimate_num_insns_1): Added cases for new
6040 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
6041 * tree-pretty-print.c (dump_generic_node): Likewise.
6042 (op_prio): Likewise.
6043 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
6044 * tree-ssa-operands.c (get_expr_operands): Added case for
6045 DOT_PROD_EXPR.
6046 * tree-vect-patterns.c (widened_name_p): New function.
6047 (vect_recog_dot_prod_pattern): Added function implementation.
6048 * tree-vect-transform.c (get_initial_def_for_reduction): Added
6049 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
6050 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
6051 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
6053 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
6054 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
6055 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
6056 (init_optabs): Initialize new optabs widen_ssum_optab,
6057 widen_usum_optab.
6058 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
6059 (widen_ssum_optab, widen_usum_optab): Define new optabs.
6060 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
6061 use instead of type of def.
6062 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
6063 function implementation.
6064 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
6065 widen_ssumv8hi): New.
6067 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
6068 patterns.
6070 2006-01-19 Richard Sandiford <richard@codesourcery.com>
6072 PR c/25805
6073 * c-decl.c (add_flexible_array_elts_to_size): New function.
6074 (finish_decl): Use it.
6076 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
6078 * diagnostic.h: Include options.h.
6079 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
6080 dependancies for diagnostic.h.
6081 * Makefile.in (DIAGNOSTIC_H): Add options.h.
6083 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
6085 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
6086 (ssa_ro_call_cache_valid): Ditto.
6087 * tree-ssa-alias.c (sort_tags_by_id): New function.
6088 (init_transitive_clobber_worklist): Ditto.
6089 (add_to_worklist): Ditto.
6090 (mark_aliases_call_clobbered): Ditto.
6091 (compute_tag_properties): Ditto.
6092 (set_initial_properties): Ditto.
6093 (compute_call_clobbered): Ditto.
6094 (compute_may_aliases): Call compute_call_clobbered and grouping.
6095 (compute_flow_sensitive_aliasing): Remove clobbering related code.
6096 (compute_flow_insensitive_aliasing): Grouping now happens in our
6097 caller.
6098 (setup_pointers_and_addressables): Remove clobbering related code.
6099 (add_may_alias): Ditto.
6100 (replace_may_alias): Ditto.
6101 (get_nmt_for): Ditto.
6102 (create_global_var):
6103 (is_escape_site): Return an escape_type enumeration.
6104 * tree-flow-inline.h (is_call_clobbered): Global var does not
6105 imply call clobbered.
6106 (mark_call_clobbered): Take a reason for marking this. Remove
6107 marking of globalness, and cache invalidation.
6108 (clear_call_clobbered): Remove cache invalidation code.
6109 * tree-dfa.c (dump_variable): If details is on, dump the reason
6110 for escaping.
6111 * tree-outof-ssa.c (create_temp): Copy escape mask from original
6112 variable.
6113 * tree-flow.h (struct ptr_info_def): Add escape mask member.
6114 (struct var_ann_d): Ditto.
6115 (enum escape_type): New.
6116 (mark_call_clobbered): Adjust prototype.
6117 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
6118 are never call clobbered.
6119 Record reasons for escaping.
6120 * tree-ssa-structalias.h (is_escape_site): Update prototype.
6121 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
6122 (ssa_ro_call_cache_valid): Ditto.
6123 (clobbered_v_may_defs): Ditto.
6124 (clobbered_vuses): Ditto.
6125 (ro_call_vuses): Ditto.
6126 (clobber_stats): New.
6127 (init_ssa_operands): Zero out clobber stats.
6128 (fini_ssa_operands): Print out clobber stats.
6129 (get_call_expr_operands): Pass callee fndecl to
6130 add_call_read_ops).
6131 (add_call_clobber_ops): Remove use of cache.
6132 Add use of PURE_CONST information.
6133 (add_call_read_ops): Remove use of cache.
6134 Add use of static not_read information.
6136 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
6138 Introduce TLS descriptors for i386 and x86_64.
6139 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
6140 (TARGET_ANY_GNU_TLS): New macro.
6141 (enum tls_dialect): Added TLS_DIALECT_GNU2.
6142 (struct machine_function): Add tls_descriptor_call_expanded_p.
6143 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
6144 (ix86_current_function_calls_tls_descriptor): Likewise.
6145 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
6146 (override_options): Introduce gnu2 tls dialect.
6147 (ix86_frame_pointer_required): Functions containing TLSCALLs are
6148 not leaves.
6149 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
6150 Likewise.
6151 (legitimize_tls_address): Adjust logic for GNU2 TLS.
6152 (ix86_init_machine_status): Initialize new field.
6153 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
6154 (ix86_tls_module_base): New.
6155 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
6156 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
6157 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
6158 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
6159 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
6160 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
6161 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
6162 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
6163 * config/i386/predicates.md (tls_modbase_operand): New.
6164 (tp_or_register_operand): New.
6166 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
6168 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
6169 (look_for_address_of): Ditto.
6170 (ipa_init): Walk the function decls.
6171 (static_execute): Don't set readonly on FUNCTION_DECL's.
6173 2006-01-18 Roger Sayle <roger@eyesopen.com>
6175 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
6176 for shifts where the source and destination registers are different.
6178 2006-01-18 Paul Brook <paul@codesourcery.com>
6180 Merge from csl-arm-branch.
6181 2005-03-14 Julian Brown <julian@codesourcery.com>
6182 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
6183 (aeabi_llsl): Likewise.
6184 (ashrdi3): Likewise.
6185 (aeabi_lasr): Likewise.
6186 (lshrdi3): Likewise.
6187 (aeabi_llsr): Likewise.
6188 2005-03-10 Julian Brown <julian@codesourcery.com>
6189 * config.gcc: Disable shared libgcc for SymbianOS.
6190 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
6192 2006-01-18 DJ Delorie <dj@redhat.com>
6194 * c-pragma.c (handle_pragma_diagnostic): New.
6195 (init_pragma): Register it.
6196 * doc/extend.texi: Document it.
6198 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
6199 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
6200 (diagnostic_context): Add classify_diagnostic[].
6201 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
6202 as errors if they're overridden to DK_WARNING.
6203 (diagnostic_initialize): Initialize classify_diagnostic[].
6204 (diagnostic_set_kind_override): New.
6205 (diagnostic_report_diagnostic): Check for kind changes.
6206 * opts.c (common_handle_option): Take lang_mask. Update callers.
6207 Handle OPT_Werror_.
6208 * common.opt (Werror=): New.
6209 * doc/invoke.texi: Document -Werror=*
6211 2006-01-18 Jeff Law <law@redhat.com>
6213 * tree-vrp.c (test_for_singularity): Correct test for new
6214 min limit. Use operand_equal_p rather than pointer equality
6215 for testing if new min/max values are equal.
6217 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
6218 using range information until after propagation and folding.
6220 2006-01-18 Richard Henderson <rth@redhat.com>
6221 Aldy Hernandez <aldyh@redhat.com>
6222 Jakub Jelinek <jakub@redhat.com>
6223 Diego Novillo <dnovillo@redhat.com>
6225 * omp-low.c: New file.
6226 * c-omp.c: New file.
6228 2006-01-18 Richard Henderson <rth@redhat.com>
6229 Jakub Jelinek <jakub@redhat.com>
6230 Diego Novillo <dnovillo@redhat.com>
6232 * doc/invoke.texi: Document -fopenmp.
6233 * tree-dump.h (debug_function): Declare.
6234 * hooks.c (hook_bool_tree_bool_false): New function.
6235 (hook_tree_tree_null): Remove.
6236 (hook_tree_tree_tree_null): New.
6237 * hooks.h: Update to match.
6238 * tree-pretty-print.c (debug_tree_chain): New.
6239 (print_generic_expr): Handle TDF_CHAIN.
6240 (dump_generic_node): Handle BLOCK.
6241 Do not abort with incomplete SWITCH_EXPRs.
6242 Do not dump body of an OpenMP directive if TDF_SLIM is given.
6243 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
6244 print space after directive name.
6245 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
6246 Handle OMP_MASTER and OMP_ORDERED.
6247 Handle printing of OMP_BODY just in one place, goto
6248 dump_omp_body in the rest of OMP_* nodes that have
6249 OMP_BODY.
6250 Don't handle clause nodes here. Update omp statements to
6251 use dump_omp_clauses.
6252 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
6253 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
6254 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
6255 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
6256 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
6257 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
6258 Adjust output for GOMP_PARALLEL.
6259 (dump_omp_clauses): New.
6260 (print_declaration): Dump DECL_VALUE_EXPR.
6261 (op_symbol_1): Split out of op_symbol.
6262 (dumping_stmts): Remove. Update all users.
6263 * cgraph.c (cgraph_analyze_queue): New.
6264 (cgraph_add_new_function): New.
6265 * cgraph.h (cgraph_analyze_queue): Declare.
6266 (cgraph_add_new_function): Declare.
6267 (cgraph_lower_function): Remove.
6268 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
6269 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
6270 and TYPE_P nodes in its default clause.
6271 (empty_body_p): New.
6272 (tree_range_check_failed): New.
6273 (build5_stat): New.
6274 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
6275 OMP_CLAUSE_REDUCTION_MERGE,
6276 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
6277 OMP_CLAUSE_PRIVATE_DEBUG,
6278 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
6279 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
6280 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
6281 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
6282 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
6283 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
6284 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
6285 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
6286 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
6287 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
6288 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
6289 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
6290 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
6291 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
6292 (TREE_RANGE_CHECK): New.
6293 (empty_body_p): Declare.
6294 (enum omp_clause_default_kind): New.
6295 (build_string_literal): Declare.
6296 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
6297 (build5_stat, build5): Declare.
6298 * tree-pass.h (TDF_CHAIN): Define.
6299 * tree-pass.h (PROP_gimple_lomp): Define.
6300 (pass_lower_omp): Declare.
6301 * diagnostic.h (debug_tree_chain): Declare.
6302 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
6303 mode_for_size.
6304 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
6305 * builtins.c (build_string_literal): Make extern.
6306 * gcc.c (include_spec_function): New.
6307 (static_spec_functions): Add it.
6308 (main): Move load of libgomp.spec ...
6309 (LINK_COMMAND_SPEC): ... here.
6310 (link_gomp_spec): New.
6311 (static_specs): Include it.
6312 (LINK_COMMAND_SPEC): Add link_gomp.
6313 (GOMP_SELF_SPECS): New.
6314 (driver_self_specs): Include it.
6315 (switch_matches): Don't mark inline.
6316 (main): Load libgomp.spec.
6317 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
6318 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
6319 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
6320 * tree-gimple.h (enum omp_parallel): Declare.
6321 (determine_parallel_type): Declare.
6322 (omp_firstprivatize_variable): Declare.
6323 (omp_reduction_init): Declare.
6324 (diagnose_omp_structured_block_errors): Declare.
6325 (struct walk_stmt_info): Add want_return_expr.
6326 (struct walk_stmt_info): Add want_bind_expr, want_locations.
6327 (find_omp_clause): Declare.
6328 (insert_field_into_struct): Declare.
6329 (struct walk_stmt_info): Move from tree-nested.c
6330 (walk_stmts): Declare.
6331 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
6332 to 200505.
6333 * cgraphunit.c (cgraph_lower_function): Make static.
6334 (cgraph_finalize_pending_functions): New.
6335 (cgraph_finalize_function): Call it.
6336 (cgraph_finalize_compilation_unit): Likewise.
6337 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
6338 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
6339 (BT_FN_UINT_UINT): New.
6340 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
6341 DEF_FUNCTION_TYPE_VAR_4): Document.
6342 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
6343 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
6344 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
6345 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
6346 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
6347 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
6348 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
6349 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
6350 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
6351 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
6352 into separate files.
6353 (DEF_GOMP_BUILTIN): New.
6354 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
6355 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
6356 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
6357 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
6358 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
6359 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
6360 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
6361 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
6362 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
6363 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
6364 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
6365 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
6366 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
6367 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
6368 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
6369 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
6370 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
6371 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
6372 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
6373 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
6374 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
6375 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
6376 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
6377 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
6378 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
6379 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
6380 * sync-builtins.def: New file, moved from builtins.def.
6381 * omp-builtins.def: New file, moved from builtins.def.
6382 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
6383 * gimple-low.c (lower_function_body): Clear data.
6384 (lower_stmt): Do not handle COMPOUND_EXPR.
6385 Remove call to print_node_brief.
6386 * c-tree.h (c_finish_omp_clauses): New prototype.
6387 (C_DECL_THREADPRIVATE_P): Define.
6388 (lookup_name_no_remap, c_omp_remap_private): Remove
6389 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
6390 (check_for_loop_decls): Update decl.
6391 (lookup_name_no_remap, c_omp_remap_private): Declare.
6392 (build_indirect_ref, build_modify_expr, pushdecl,
6393 pushdecl_top_level): Move to c-common.h.
6394 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
6395 before the switch, but just in the 2 places that need it.
6396 * c-decl.c (diagnose_mismatched_decls): Do not check for
6397 mismatched thread-local attributes when OLDDECL is marked
6398 threadprivate and NEWDECL has no thread-local attributes.
6399 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
6400 (c_gimple_diagnostics_recursively): Rename from
6401 c_warn_unused_result_recursively. Invoke
6402 diagnose_omp_structured_block_errors.
6403 (check_for_loop_decls): Return a singular decl found.
6404 * langhooks.c (lhd_omp_predetermined_sharing): Return
6405 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
6406 (lhd_omp_firstprivatize_type_sizes): New.
6407 (lhd_omp_assignment): New.
6408 (lhd_omp_predetermined_sharing): New.
6409 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
6410 (struct lang_hooks_for_types): Add
6411 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
6412 omp_predetermined_sharing, omp_disregard_value_expr,
6413 omp_private_debug_clause, omp_clause_default_ctor,
6414 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
6415 (c_finish_omp_clauses): New.
6416 (c_finish_bc_stmt): Diagnose break within omp for.
6417 (c_begin_omp_parallel, c_finish_omp_parallel): New.
6418 (build_unary_op): Return error_mark after reporting
6419 a readonly_error.
6420 (build_modify_expr): Likewise.
6421 * gimplify.c: Include optabs.h and pointer-set.h.
6422 (enum gimplify_omp_var_data): Declare.
6423 (struct gimplify_omp_ctx): Declare.
6424 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
6425 and combined_ctxp.
6426 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
6427 (push_gimplify_context, pop_gimplify_context): Allow nesting.
6428 (splay_tree_compare_decl_uid): New.
6429 (new_omp_context): New.
6430 (delete_omp_context): New.
6431 (gimple_add_tmp_var): Call omp_add_variable.
6432 (gimplify_bind_expr): Likewise.
6433 (gimplify_var_or_parm_decl): If omp_notice_variable returned
6434 true, disregard DECL_VALUE_EXPR on the decl if any.
6435 (gimplify_expr_in_ctx): New.
6436 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
6437 omp_add_variable, omp_notice_variable, omp_is_private
6438 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
6439 gimplify_adjust_omp_clauses, gimplify_omp_parallel
6440 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
6441 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
6442 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
6443 gimplify_omp_atomic): New.
6444 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
6445 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
6446 OMP_CRITICAL and OMP_ATOMIC.
6447 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
6448 * c-pragma.h (enum pragma_kind): Add
6449 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
6450 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
6451 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
6452 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
6453 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
6454 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
6455 PRAGMA_OMP_THREADPRIVATE.
6456 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
6457 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
6458 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
6459 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
6460 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
6461 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
6462 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
6463 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
6464 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
6465 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
6466 * tree-ssa-dce.c (find_control_dependence): Do not assume that
6467 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
6468 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
6469 OpenMP directives.
6470 (struct nesting_info): Add field_map,
6471 suppress_expansion, debug_var_chain.
6472 (create_nesting_tree): Initialize them.
6473 (lookup_field_for_decl): Use field_map.
6474 (get_nonlocal_debug_decl, get_local_debug_decl): New.
6475 (convert_local_omp_clauses): New.
6476 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
6477 (walk_body): Split out of walk_function.
6478 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
6479 (convert_nonlocal_reference): Handle omp statements.
6480 (convert_local_reference): Likewise.
6481 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
6482 (unnest_nesting_tree): New.
6483 (lower_nested_functions): Call it.
6484 (insert_field_into_struct): Make extern.
6485 (struct walk_stmt_info): Move to tree-gimple.h.
6486 (walk_stmts): Make extern.
6487 * omp-builtins.def: New file.
6488 * tree-iterator.c (expr_only): Clarify comment.
6489 * c-common.h (pushdecl_top_level, pushdecl,
6490 build_modify_expr, build_indirect_ref,
6491 c_finish_omp_master, c_finish_omp_critical,
6492 c_finish_omp_ordered, c_finish_omp_barrier,
6493 c_finish_omp_atomic, c_finish_omp_flush,
6494 c_finish_omp_for, c_split_parallel_clauses,
6495 omp_clause_default_kind, c_omp_sharing_predetermined,
6496 c_omp_remap_decl): Declare.
6497 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
6498 (OBJS-common): Add omp-low.o.
6499 (c-omp.o, omp-low.o): Add.
6500 (gimplify.o): Add dependency on $(OPTABS_H).
6501 (GTFILES): Add omp-low.c.
6502 (gt-stringpool.h): Add.
6503 * tree-cfg.c (set_bb_for_stmt): Do not update the
6504 block-to-labels map if we are currently expanding to RTL.
6505 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
6506 checks.
6507 Handle IDENTIFIER_NODE.
6508 (tree_verify_flow_info): Do not ICE when emitting error
6509 messages about invalid labels.
6510 (dump_function_to_file): Reset CFUN before emitting the body
6511 of the function.
6512 (debug_function): New.
6513 * passes.c (init_optimization_passes): Schedule
6514 pass_lower_omp.
6515 * langhooks-def.h (lhd_omp_predetermined_sharing,
6516 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
6517 Declare.
6518 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
6519 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
6520 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
6521 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
6522 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
6523 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
6524 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
6525 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
6526 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
6527 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
6528 (LANG_HOOK_DECLS): Use them.
6530 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
6531 Richard Henderson <rth@redhat.com>
6532 Jakub Jelinek <jakub@redhat.com>
6533 Diego Novillo <dnovillo@redhat.com>
6535 * c-parser.c (pragma_omp_clause): Define.
6536 (c_parser_declaration_or_fndef): Document OpenMP syntax.
6537 (c_parser_compound_statement): Likewise.
6538 (c_parser_statement): Likewise.
6539 (c_parser_pragma): Handle omp pragmas.
6540 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
6541 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
6542 (c_parser_omp_clause_name, check_no_duplicate_clause,
6543 c_parser_omp_variable_list,
6544 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
6545 c_parser_omp_clause_copyprivate,
6546 c_parser_omp_clause_default,
6547 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
6548 c_parser_omp_clause_lastprivate,
6549 c_parser_omp_clause_nowait,
6550 c_parser_omp_clause_num_threads,
6551 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
6552 c_parser_omp_clause_reduction,
6553 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
6554 c_parser_omp_all_clauses, c_parser_omp_structured_block,
6555 c_parser_omp_atomic, c_parser_omp_barrier,
6556 c_parser_omp_critical, c_parser_omp_flush,
6557 c_parser_omp_for_loop, c_parser_omp_for,
6558 c_parser_omp_master, c_parser_omp_ordered,
6559 c_parser_omp_sections_scope, c_parser_omp_sections,
6560 c_parser_omp_parallel, c_parser_omp_single,
6561 c_parser_omp_construct, c_parser_omp_threadprivate): New.
6562 * c-pragma.c (init_pragma): Do omp pragma registration here.
6563 * c.opt (fopenmp): New flag.
6565 2006-01-18 Eric Christopher <echristo@apple.com>
6567 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
6568 * config/darwin.h (GOMP_SELF_SPECS): Define.
6570 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
6572 * rtl.h: Remove the prototype for reg_alloc.
6574 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6576 PR target/25731
6577 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
6578 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
6579 sjlj and dwarf2 exception handling.
6580 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
6581 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
6582 * pa/pa.c (function_value): Treat complex and vector types as
6583 aggregates.
6584 (function_arg): Likewise. Only pass scalar floats in the floating
6585 point argument registers.
6586 * pa/t-slibgcc-dwarf-ver: New file.
6587 * pa/t-slibgcc-sjlj-ver: New file.
6588 * pa/t-slibgcc-elf-ver: Delete file.
6590 2006-01-19 Alan Modra <amodra@bigpond.net.au>
6592 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
6593 unlikely_test_section_p test.
6595 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
6597 * mode-switching.c (optimize_mode_switching): Make it static.
6598 * basic-block.h: Remove the prototype for
6599 optimize_mode_switching.
6601 * modulo-sched.c (sms_schedule): Make it static.
6602 * rtl.h: Remove the prototype for sms_schedule.
6604 * postreload-gcse.c (gcse_after_reload_main): Make it static.
6605 * rtl.h: Remove the prototype for gcse_after_reload_main.
6607 * reg-stack.c (reg_to_stack): Make it static.
6608 * rtl.h: Remove the prototype for reg_to_stack.
6610 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
6611 Make them static.
6612 * rtl.h: Remove the prototypes for regrename_optimize and
6613 copyprop_hardreg_forward.
6615 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
6617 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
6618 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
6619 Test against the appropriate null constant for the mode.
6620 If 'fixup_overlap' is true, swap the operands if they overlap.
6621 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
6622 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
6623 alpha_split_tmode_pair and adjust for above change.
6624 * config/alpha/alpha.md (movtf_internal): Adjust call to
6625 alpha_split_tfmode_pair and rely on it to swap the operands.
6626 (movti_internal): New insn and post-reload splitter.
6627 (movti): New expander.
6629 2006-01-18 Philippe De Muyter <phdm@macqel.be>
6631 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
6632 operands.
6634 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
6636 * rtlanal.c (global_reg_mentioned_p_1,
6637 global_reg_mentioned_p): Remove.
6638 * rtl.h: Remove the prototype for global_reg_mentioned_p.
6640 * flow.c (initialize_uninitialized_subregs): Make it static.
6641 * rtl.h: Remove the prototype for
6642 initialize_uninitialized_subregs.
6644 * function.c (instantiate_virtual_regs): Make it static.
6645 * function.h: Remove the prototype for
6646 instantiate_virtual_regs.
6648 * regmove.c (regmove_optimize, combine_stack_adjustments):
6649 Make them static.
6650 * rtl.h: Remove the prototypes for regmove_optimize and
6651 combine_stack_adjustments.
6653 2006-01-17 Roger Sayle <roger@eyesopen.com>
6655 * config/i386/i386.c (COSTS_N_BYTES): New macro.
6656 (size_cost): Encode costs in bytes so that a reg-reg addition is
6657 equivalent to COSTS_N_INSNS(1).
6658 (override_options): Use the size_cost.branch_cost as the default
6659 ix86_branch_cost when optimizing for size.
6661 2006-01-18 Ben Elliston <bje@au.ibm.com>
6663 * Makefile.in (D32PBIT_FUNCS): New.
6664 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
6665 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
6666 D64PBIT_FUNCS and D128PBIT_FUNCS.
6667 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
6668 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
6669 D128PBIT are set.
6670 (decnumber_dep): Define.
6671 * doc/libgcc.texi (Decimal float library routines): New node.
6672 * config/dfp-bit.h, config/dfp-bit.c: New files.
6674 2006-01-18 Ben Elliston <bje@au.ibm.com>
6676 * expr.c (emit_move_change_mode): Always adjust addresses, not
6677 just during reload. Copy replacements only during reload.
6678 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
6679 emit_move_via_integer.
6681 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
6683 * Makefile.in (check-%, check-consistency): Use $${srcdir}
6684 instead of $(srcdir) and ${srcdir}.
6686 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
6688 PR target/592
6689 PR middle-end/11135
6690 * arm.h (struct machine_function): Add pic_reg.
6691 * arm.c (arm_pic_register): Make unsigned.
6692 (arm_override_options): Only set arm_pic_register if
6693 TARGET_SINGLE_PIC_BASE.
6694 (use_return_insn): Only test for a pic register if it is fixed.
6695 (arm_compute_save_reg0_reg12_mask): Likewise.
6696 (thumb_compute_save_reg_mask): Likewise.
6697 (legitimate_pic_operand): Factor out some known invariants.
6698 (legitimize_pic_address): If we don't have a fixed pic register,
6699 then set up a pseudo in the function entry sequence. Handle the
6700 pic base being in a pseudo.
6701 (arm_load_pic_register): Handle the pic register being in a pseudo.
6702 (arm_expand_prologue): Only set up the pic register if it is fixed.
6703 (thumb_expand_prologue): Likewise.
6704 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
6705 (pic_load_addr_based_insn): Likewise.
6706 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
6707 fixed.
6709 2006-01-18 Ben Elliston <bje@au.ibm.com>
6711 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
6712 decimal float modes for all floating point registers.
6714 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
6715 match_code "mem" with match_test "macho_lo_sum_memory_operand".
6717 2006-01-17 Jakub Jelinek <jakub@redhat.com>
6719 PR c/25682
6720 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
6721 even when the pointer is not NULL.
6723 2006-01-16 Ian Lance Taylor <ian@airs.com>
6725 * common.opt (ftoplevel-reorder): New option.
6726 * cgraph.c (cgraph_asm_nodes): New global variable.
6727 (cgraph_asm_last_node): New static variable.
6728 (cgraph_order): New global variable.
6729 (cgraph_create_node): Set new order field.
6730 (cgraph_varpool_node): Likewise.
6731 (decide_is_variable_needed): Return true if not
6732 flag_toplevel_reorder.
6733 (cgraph_add_asm_node): New function.
6734 * cgraph.h (struct cgraph_node): Add order field.
6735 (struct cgraph_varpool_node): Add order field.
6736 (struct cgraph_asm_node): Define.
6737 (cgraph_asm_nodes, cgraph_order): Declare.
6738 (cgraph_add_asm_node): Declare.
6739 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
6740 function.
6741 (cgraph_varpool_assemble_pending_decls): Call it.
6742 (cgraph_output_pending_asms): New static function.
6743 (cgraph_finalize_compilation_unit): Call it.
6744 (struct cgraph_order_sort): Define.
6745 (cgraph_output_in_order): New static function.
6746 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
6747 !flag_toplevel_reorder case.
6748 * c-parser.c: Include "cgraph.h".
6749 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
6750 assemble_asm.
6751 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
6752 than -fno-unit-at-a-time.
6753 * doc/invoke.texi (Option Summary): Mention
6754 -fno-toplevel-reorder.
6755 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
6756 -funit-at-a-time documentation.
6758 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
6759 Kazu Hirata <kazu@codesourcery.com>
6761 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
6763 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
6765 * Makefile.in (FUNCTION_H): New. Use it instead of
6766 function.h throughout the file.
6767 * function.h: Include tree.h.
6769 2006-01-17 Ben Elliston <bje@au.ibm.com>
6771 * recog.c: Separate some functions with whitespace.
6773 2006-01-16 Richard Henderson <rth@redhat.com>
6775 Merge from gomp branch:
6776 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
6777 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
6778 and rename from struct inline_data. Rename callee* to dst*;
6779 caller* to src*; add copy_decl hook, transform_call_graph_edges,
6780 transform_new_cfg, transform_return_to_modify, and
6781 transform_lang_insert_block flags; remove cloning_p, versioning_p,
6782 update_clones_p.
6783 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
6784 (copy_decl_for_dup): Remove.
6785 * tree-inline.c (struct inline_data): Move to header.
6786 (insert_decl_map): Export.
6787 (remap_decl): Update for member name changes. Use copy_decl hook.
6788 Allow for replacement to be a non-decl. Remove dead code.
6789 (remap_type_1): Check for existing mapping.
6790 (remap_type): Export.
6791 (remap_decls): Update for member name changes.
6792 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
6793 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
6794 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
6795 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
6796 (tree_function_versioning, build_duplicate_type): Likewise.
6797 (copy_body_r): Likewise. Export.
6798 (copy_decl_for_dup): Split into ...
6799 (copy_decl_for_dup_finish, copy_decl_to_var,
6800 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
6801 (replace_ref_tree, inlining_p): Remove.
6803 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
6805 * ifcvt.c (if_convert): Make it static.
6806 * rtl.h: Remove the prototype for if_convert.
6808 * local-alloc.c (local_alloc): Make it static.
6809 * rtl.h: Remove the prototype for local_alloc.
6811 * loop.c (loop_optimize): Make it static.
6812 * cfgloop.h: Remove the prototype for loop_optimize.
6813 * rtl.h: Likewise.
6815 2006-01-16 DJ Delorie <dj@redhat.com>
6817 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
6818 mems.
6820 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6822 * pa.md: Disparage copies between general and floating-point registers
6823 in 32-bit move patterns.
6825 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
6827 PR testsuite/25741
6828 * Makefile.in (check-%): Depend on site.exp instead of
6829 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
6830 directories.
6832 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
6834 * global.c (global_alloc): Make it static.
6835 * rtl.h: Remove the prototype for global_alloc.
6837 2006-01-16 Richard Guenther <rguenther@suse.de>
6839 * tree-ssa-alias.c (struct used_part): Add write_only field.
6840 (get_or_create_used_part_for): Initialize it to true.
6841 (create_overlap_variables_for): Don't create structure variables
6842 for structures that only are written to.
6843 (find_used_portions): Handle MODIFY_EXPR to track whether a
6844 structure is only written to.
6846 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
6848 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
6849 static.
6850 * basic-block.h: Remove the prototype for
6851 partition_hot_cold_basic_blocks.
6853 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
6855 * cppspec.c (lang_specific_spec_functions): Remove.
6856 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
6857 * gcc.h (lang_specific_spec_functions): Remove.
6858 * gccspec.c (lang_specific_spec_functions): Remove.
6860 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
6862 * combine.c (record_value_for_reg): Invalidate registers
6863 if INSN is null.
6864 (record_dead_and_set_regs_1): Likewise, by passing them to
6865 record_value_for_reg.
6866 (record_dead_and_set_regs): Invalidate stores made by a
6867 call. We do not combine across a call, but we still
6868 relied on equivalences.
6870 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
6872 * tree-vrp.c (extract_range_from_binary_expr): Cope with
6873 vrp_int_const_binop returning non-constant nodes.
6875 2006-01-16 Paul Brook <paul@codesourcery.com>
6877 * config/m68k/m68k.c (output_move_const_into_data_reg):
6878 Output correct mnemonic for mvz and mvs.
6880 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
6882 * rtl-factoring.c: Add sequence abstraction algorithm.
6883 * cfgcleanup.c (outgoing_edges_match): Extra checks.
6884 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
6885 ABNORMAL edges.
6886 (block_has_preserve_label): New function.
6887 * common.opt: Register new pass.
6888 * Makefile.in: Ditto.
6889 * passes.c: Ditto.
6890 * timevar.def: Ditto.
6891 * tree-pass.h: Ditto.
6892 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
6893 * rtl.h (make_jump_insn_raw): Add forward decl.
6894 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
6896 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
6897 Roger Sayle <roger@eyesopen.com>
6899 * fold-const.c (fold_minmax): New static function.
6900 (fold_binary) <MIN_EXPR>: Call it.
6901 <MAX_EXPR>: Likewise.
6902 * stor-layout.c (place_field): Use DECL_SIZE consistently
6903 in the computation of the new record size.
6905 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
6907 * cse.c (cse_condition_code_reg): Make it static.
6908 * rtl.h: Remove the prototype for cse_condition_code_reg.
6910 * combine.c (combine_instructions): Make it static.
6911 * rtl.h: Remove the prototype for combine_instructions.
6913 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6915 PR target/25168
6916 * tree.c (get_file_function_name_long): Concatenate the first global
6917 object name with a string derived from the input filename of the object
6918 for type "F".
6920 2006-01-16 Ben Elliston <bje@au.ibm.com>
6922 * config/i386/winnt-stubs.c: Update FSF address.
6923 * config/xtensa/ieee754-df.S: Ditto.
6924 * config/xtensa/ieee754-sf.S: Ditto.
6926 2006-01-14 Ian Lance Taylor <ian@airs.com>
6928 * ifcvt.c (noce_init_if_info): New static function, broken out of
6929 noce_process_if_block.
6930 (noce_process_if_block): Call noce_init_if_info.
6931 (check_cond_move_block): New static function.
6932 (cond_move_process_if_block): New static function.
6933 (process_if_block): Call cond_move_process_if_block.
6935 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
6937 * cselib.c (hash_table): Rename to cselib_hash_table.
6938 (cselib_clear_table, discard_useless_values,
6939 remove_useless_values, cselib_lookup_mem, cselib_lookup,
6940 cselib_init, cselib_finish): Adjust uses of hash_table.
6942 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
6944 PR tree-optimization/25485
6945 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
6946 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
6947 is known to be false and true, respectively.
6949 2006-01-14 Richard Guenther <rguenther@suse.de>
6951 PR tree-optimization/22548
6952 PR tree-optimization/22555
6953 PR tree-optimization/22501
6954 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
6955 * params.def (salias-max-array-elements): New parameter.
6956 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
6957 * doc/invoke.texi (salias-max-array-elements): Document.
6958 * tree-flow-inline.h (var_can_have_subvars): We also handle
6959 arrays now.
6960 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
6961 COMPONENT_REF.
6962 * tree-ssa-structalias.c (params.h): Include.
6963 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
6964 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
6965 (get_constraint_for): For ADDR_EXPR operating on something
6966 containing an ARRAY_REF, add all subvars to the solution.
6967 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
6968 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
6969 for creating MUST_DEFs.
6970 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
6972 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
6974 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
6975 functions.
6976 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
6977 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
6978 number_of_iterations_le): New functions.
6979 (number_of_iterations_special): Removed.
6980 (number_of_iterations_exit): Do not use number_of_iterations_special.
6981 * tree.c (unsigned_type_for): Always return integer type.
6983 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
6984 Richard Guenther <rguenther@suse.de>
6986 PR rtl-optimization/24257
6987 * gcse.c (find_moveable_store): Only consider a store movable
6988 when the SET_SRC of the insn can be assigned to a register.
6990 2006-01-14 Ian Lance Taylor <ian@airs.com>
6992 * tree.c (tree_not_class_check_failed): New function.
6993 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
6994 (tree_not_class_check_failed): Declare.
6996 2006-01-13 Ian Lance Taylor <ian@airs.com>
6998 * reload1.c (do_output_reload): Add assertion rejecting a
6999 CALL_INSN.
7001 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
7003 * combine.c (struct reg_stat): Add new fields truncation_label and
7004 truncated_to_mode.
7005 (record_value_for_reg): Reset truncated_to_mode.
7006 (record_truncated_value): New function.
7007 (check_promoted_subreg): Call it. Rename to check_conversions.
7008 (combine_instructions): Rename check_promoted_subreg to
7009 check_conversions.
7010 (reg_truncated_to_mode): New function.
7011 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
7012 (gen_lowpart_or_truncate): New function.
7013 (force_to_mode): Use it instead of gen_lowpart.
7015 2006-01-13 Diego Novillo <dnovillo@redhat.com>
7017 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
7018 VAR is a tag, not its type tag.
7020 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
7022 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
7023 alternatives to match style of other entries.
7024 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
7026 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
7028 PR tree-optimization/25771
7029 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
7030 SSA_NAMES.
7032 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
7034 PR tree-opt/24365
7035 * tree-inline.c (declare_return_variable): If the return variable
7036 was marked as a non gimple complex, set the return slot variable
7037 to be a non gimple comple variable.
7039 2006-01-13 Richard Guenther <rguenther@suse.de>
7041 * builtins.c (expand_builtin_sincos): New function.
7042 (expand_builtin_mathfn_3): Remove dead code, sin and cos
7043 do not set errno.
7044 (expand_builtin): Expand sincos using expand_builtin_sincos.
7046 2006-01-12 DJ Delorie <dj@redhat.com>
7048 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
7049 shift counts, separate SI shifts for m32c vs m16c, pass shift type
7050 so that constant shifts can be split.
7051 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
7052 (m32c_valid_pointer_mode): Make static.
7053 (shift_gen_func_for): New.
7054 (m32c_prepare_shift): Use it. Split large const shifts into
7055 multiple shifts.
7056 * config/m32c/predicates.md (shiftcount_operand): Allow more
7057 general operands.
7058 (longshiftcount_operand): New.
7059 * doc/md.texi (Machine Constraints): Document In6.
7061 2006-01-13 Ben Elliston <bje@au.ibm.com>
7063 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
7064 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
7065 documentation.
7067 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
7069 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
7070 to try to avoid clobbering pieces of structures when we know
7071 something about the whole structure.
7072 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
7074 2006-01-13 Ben Elliston <bje@au.ibm.com>
7076 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
7077 return in memory, as this is no limitation is no longer present.
7079 2006-01-12 DJ Delorie <dj@redhat.com>
7081 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
7082 mova with fb, and for fb+0 -> An.
7084 * config/m32c/mov.md (peephole2): Fix enabling logic.
7086 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
7087 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
7088 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
7089 FINI_ARRAY_SECTION_ASM_OP): Define.
7091 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
7092 variable.
7093 (m32c_legitimize_reload_address): New logic to reload FB to An.
7094 (m32c_output_reg_push): Add newline.
7095 (m32c_output_reg_pop): Likewise.
7097 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
7099 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
7101 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
7103 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
7105 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7107 * config/sh/predicates.md (sh_rep_vec): Add parallel to
7108 match_code.
7110 2006-01-11 Ben Elliston <bje@au.ibm.com>
7112 * rtlanal.c (find_reg_note): Assert insn is not null.
7114 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
7116 * df-scan.c (df_hard_reg_init): Move declaration of i outside
7117 ifdef.
7119 2006-01-11 Jeff Law <law@redhat.com>
7121 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
7122 hold edge pairs.
7123 (mark_threaded_blocks, register_jump_thread): New functions.
7124 (thread_through_all_blocks): Remove unwanted argument. No
7125 longer rely on e->aux to communicate thread target info.
7126 Call mark_threaded_blocks. Release the threaded_blocks
7127 bitmap and threaded_edges vector when complete.
7128 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
7129 (threaded_blocks): Remove.
7130 (tree_ssa_dominator_optimize): Remove initialization and
7131 finalization of threaded_blocks. Simplify call to
7132 thread_through_all_blocks.
7133 (thread_across_edge): Call register_jump_thread rather than
7134 storing thread information into e->aux.
7135 (free_all_edge_infos): Simplify now that e->aux is no longer
7136 used to communicate with thread_through_all_blocks.
7137 * tree-flow.h (thread_through_all_blocks): Update prototype.
7138 (register_jump_thread): Prototype.
7140 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7142 * df-core.c (df_compact_blocks, df_bb_replace): Use
7143 SET_BASIC_BLOCK instead of BASIC_BLOCK.
7145 2006-01-11 Richard Guenther <rguenther@suse.de>
7147 PR tree-optimization/25734
7148 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
7149 stop propagation after successful propagation to the LHS.
7151 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7153 * basic-block.h (control_flow_graph): Change the type of
7154 x_basic_block_info to VEC(basic_block,gc) *.
7155 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
7156 basic_block_info.
7157 (SET_BASIC_BLOCK): New.
7158 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
7159 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
7160 * cfgbuild.c (find_basic_blocks): Likewise.
7161 * cfglayout.c (fixup_reorder_chain): Likewise.
7162 * cfgrtl.c (create_basic_block_structure,
7163 rtl_create_basic_block): Likewise.
7164 * ifcvt.c (find_if_case_1): Likewise.
7165 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
7166 Likewise.
7168 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
7170 * Makefile.in: Removed rotted odf.c entry.
7172 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
7174 PR target/25706
7175 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
7176 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
7177 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
7178 output pattern modifier, not %e.
7179 * config/cris/cris.c (cris_op_str): Update comment about pattern
7180 modifier.
7181 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
7182 before falling through into...
7183 <case 'E'>: Redefined from old 'e' case.
7185 2006-01-11 Jan Hubicka <jh@suse.cz>
7187 PR target/25042
7188 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
7190 2006-01-11 Jan Hubicka <jh@suse.cz>
7192 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
7193 * i386.c (x86_decompose_lea): Kill.
7194 (ix86_rtx_costs): Kill.
7196 2006-01-11 Jan Hubicka <jh@suse.cz>
7198 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
7199 * cgraph.h (cgraph_node): Add inline_decl.
7200 (cgraph_insert_node_to_hashtable): Declare.
7201 (save_inline_function_body): Declare.
7202 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
7203 clones.
7204 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
7205 (cgraph_function_versioning): Update call of tree_function_versioning.
7206 (save_inline_function_body): New function.
7207 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
7208 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
7209 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
7210 (cgraph_default_inline_p): Likewise.
7211 (cgraph_decide_inlining_incrementally): Likewise.
7212 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
7213 (copy_bb): Kill saving; do updating of clones.
7214 (copy_cfg_body): Kill saving.
7215 (initialize_inlined-parameters): Likewise.
7216 (expand_call_inline): Likewise.
7217 (save_body): Kill.
7218 (tree_function_versioning): New parameter "update_clones".
7219 (inlining_p): Kill saving.
7220 * tree-inline.h (tree_function_versioning): Update prototype.
7221 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
7222 saving.
7224 2006-01-11 Ian Lance Taylor <ian@airs.com>
7226 * combine.c (struct undo): Remove is_int. Enumify types of undos.
7227 Allow undoing set of machine mode.
7228 (do_SUBST): Use enums instead of is_int.
7229 (do_SUBST_MODE): New function.
7230 (SUBST_MODE): New macro.
7231 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
7232 reg and trying to replace reg_regno_rtx with a new register.
7233 (undo_all): Use new enums, handle undoing a PUT_MODE change.
7234 (simplify_set): Use SUBST_MODE.
7235 (distribute_notes): Remove code that tried to update reg notes
7236 for regno_reg_rtx changes.
7238 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
7240 PR tree-optimization/23109
7241 PR tree-optimization/23948
7242 PR tree-optimization/24123
7244 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
7245 * tree-cfg.c (single_noncomplex_succ): New.
7246 * tree-flow.h (single_noncomplex_succ): Declare it.
7247 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
7248 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
7249 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
7250 insert_bb, register_division_in, insert_reciprocals,
7251 replace_reciprocal, free_bb): New.
7252 (execute_cse_reciprocals_1): Rewritten.
7253 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
7254 Do not commit any edge insertion. Always compute dominators and
7255 create the allocation pool.
7256 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
7257 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
7258 * targhooks.c (default_min_divistions_for_recip_mul): New.
7259 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
7260 * passes.c (init_optimization_passes): Run recip after tree loop
7261 optimizations.
7262 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
7264 2006-01-11 Danny Berlin <dberlin@dberlin.org>
7265 Kenneth Zadeck <zadeck@naturalbridge.com>
7267 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
7268 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
7269 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
7270 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
7271 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
7272 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
7273 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
7274 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
7275 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
7276 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
7277 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
7278 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
7279 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
7280 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
7281 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
7282 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
7283 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
7284 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
7285 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
7286 DF_SCAN_POST_ALLOC): New macros.
7287 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
7288 df_free_bb_function, df_local_compute_function, df_init_function,
7289 df_dataflow_function, df_confluence_function_0,
7290 df_confluence_function_n, df_transfer_function,
7291 df_finalizer_function, df_free_function, df_dump_problem_function,
7292 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
7293 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
7294 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
7295 df_urec_bb_info, ) New types.
7296 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
7297 variables.
7298 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
7299 df_analyze_simple_change_some_blocks,
7300 df_analyze_simple_change_one_block, df_compact_blocks,
7301 df_bb_replace, df_bb_regno_last_use_find,
7302 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
7303 df_insn_regno_def_p, df_find_def, df_find_use,
7304 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
7305 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
7306 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
7307 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
7308 debug_df_chain, df_get_dependent_problem, df_chain_create,
7309 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
7310 df_grow_bb_info, df_chain_dump, df_print_bb_index,
7311 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
7312 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
7313 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
7314 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
7315 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
7316 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
7317 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
7318 df_ref_remove, df_insn_refs_delete, df_refs_delete,
7319 df_reorganize_refs, df_set_state, df_hard_reg_init,
7320 df_read_modify_subreg_p) New public functions.
7321 * df-core.c: The core dataflow solver and glue routines for rtl
7322 dataflow.
7323 (df_init, df_add_problem, df_set_blocks, df_finish,
7324 df_hybrid_search_forward, df_hybrid_search_backward,
7325 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
7326 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
7327 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
7328 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
7329 df_reg_defined, df_find_use, df_reg_used, df_dump,
7330 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
7331 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
7332 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
7333 debug_df_useno, reset_df_after_reload): New functions.
7334 * df-scan.c: The scanning fuctions, once in df.c, completely
7335 rewritten so that they now fully model the functionality of
7336 register usage at the backend.
7337 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
7338 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
7339 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
7340 df_grow_insn_info, df_rescan_blocks, df_ref_create,
7341 df_get_artificial_defs, df_get_artificial_uses,
7342 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
7343 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
7344 df_refs_delete, df_reorganize_refs, df_set_state,
7345 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
7346 df_def_record_1, df_defs_record, df_uses_record,
7347 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
7348 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
7349 df_record_exit_block_uses, df_hard_reg_init): New functions.
7351 * df-problems.c: Seven concrete dataflow problems that use the
7352 scanning in df-scan.c and are solved by the engine in df-core.c.
7353 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
7354 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
7355 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
7356 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
7357 df_ru_free_bb_info, df_ru_alloc,
7358 df_ru_bb_local_compute_process_def,
7359 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
7360 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
7361 df_ru_transfer_function, df_ru_free, df_ru_dump,
7362 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
7363 df_rd_free_bb_info, df_rd_alloc,
7364 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
7365 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
7366 df_rd_transfer_function, df_rd_free, df_rd_dump,
7367 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
7368 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
7369 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
7370 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
7371 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
7372 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
7373 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
7374 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
7375 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
7376 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
7377 df_urec_mark_reg_change, df_urec_check_earlyclobber,
7378 df_urec_mark_reg_use_for_earlyclobber,
7379 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
7380 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
7381 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
7382 df_urec_dump, df_urec_add_problem, df_chain_alloc,
7383 df_chain_create_bb_process_use, df_chain_create_bb,
7384 df_chain_finalize, df_chain_free, df_chains_dump,
7385 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
7386 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
7387 df_reg_lifetime): New functions.
7388 * df.c: Deleted file.
7389 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
7390 consistent with new df api.
7391 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
7392 rest_of_handle_sms): Ditto.
7393 * web.c (unionfind_union, union_defs, entry_register, web_main):
7394 Ditto.
7395 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
7396 invariant_expr_equal_p, find_defs, check_dependencies,
7397 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
7398 free_inv_motion_data, move_loop_invariants): Ditto.
7399 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
7400 Update dependencies.
7401 (odf.c): Added defective entry that was deleted later in day.
7402 * sched-deps.c (sched_analyze_1): Ditto.
7404 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
7406 * tree-ssa-operands.c (get_expr_operands): Record addressable
7407 variables directly. Do not call add_stmt_operands for CONST_DECLs
7408 and ARRAY_DECLs.
7409 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
7410 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
7412 2006-01-11 Ben Elliston <bje@au.ibm.com>
7414 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
7415 function returns true in the positive case.
7417 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7419 PR target/20754
7420 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
7421 for SI, DI, SF and DF modes. Add alternatives to copy between
7422 general and floating point registers to the 32-bit patterns.
7423 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
7424 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
7425 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
7426 generating 64-bit code.
7427 * config/pa/pa.c (output_move_double): Handle copies between general
7428 and floating registers.
7430 2006-01-10 Stuart Hastings <stuart@apple.com>
7432 * config/i386/i386.md (set_got): Update.
7433 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
7434 (builtin_setjmp_receiver): Mach-O support.
7435 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
7436 (GOT_SYMBOL_NAME): Define.
7437 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
7438 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
7439 * config/i386/i386.c (override_options): Revise for Darwin.
7440 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
7441 support. (darwin_x86_file_end): New. (output_set_got): Add label
7442 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
7443 * config/i386/i386-protos.h (output_set_got): Likewise.
7444 * config/darwin.c (machopic_legitimize_pic_address): Update
7445 regs_ever_live[].
7447 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
7449 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
7450 when MODE isn't BLKmode.
7452 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7454 PR rtl-optimization/25367
7455 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
7457 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
7459 PR target/25718
7460 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
7461 for a negative bound.
7463 2006-01-10 Richard Guenther <rguenther@suse.de>
7465 * tree-ssa-structalias.c (get_constraint_for_component_ref):
7466 Never override with anything constraint.
7468 2006-01-10 Jan Beulich <jbeulich@novell.com>
7470 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
7471 256 bits when optimize_size.
7473 2006-01-10 Jan Beulich <jbeulich@novell.com>
7475 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
7476 MASK_ALIGN_DOUBLE.
7477 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
7478 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
7479 arguments.
7481 2006-01-10 Ben Elliston <bje@au.ibm.com>
7483 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
7484 float modes.
7485 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
7486 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
7487 (USE_FP_FOR_ARG): Reject decimal float modes.
7488 (function_arg_advance): Likewise.
7489 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
7490 (rs6000_handle_altivec_attribute): Do not permit decimal floating
7491 point types in AltiVec vectors.
7492 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
7493 (rs6000_libcall_value): Likewise.
7495 2006-01-09 Bob Wilson <bob.wilson@acm.org>
7497 * config/xtensa/ieee754-df.S: New file.
7498 * config/xtensa/ieee754-sf.S: New file.
7499 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
7500 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
7501 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
7503 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
7505 * config/sh/predicates.md (binary_float_operator,
7506 binary_logical_operator, commutative_float_operator,
7507 equality_comparison_operator, greater_comparison_operator,
7508 less_comparison_operator, logical_operator,
7509 noncommutative_float_operator, shift_operator,
7510 symbol_ref_operand, unary_float_operator): Remove redundant
7511 conditionals.
7513 2006-01-09 Jeff Law <law@redhat.com>
7515 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
7516 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
7517 now unused arguments. Callers updated.
7518 (eliminate_redundant_computations): Remove now unused arguments,
7519 callers updated.
7520 (local_fold): Remove, no longer used.
7521 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
7522 and moved to...
7523 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
7524 (simplify_cond): New function.
7525 (forward_propagate_into_cond): Call simplify_cond.
7527 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
7529 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
7530 (*vec_extractv2di_1_sse): New.
7532 2006-01-09 Ben Elliston <bje@au.ibm.com>
7534 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
7536 2006-01-08 Richard Guenther <rguenther@suse.de>
7538 * tree-ssa-structalias.c (get_constraint_for): Remove
7539 anyoffset argument.
7540 (get_constraint_for_component_ref): Likewise.
7541 (do_deref): Likewise.
7542 (get_constraint_for): Likewise.
7543 (do_structure_copy): Likewise.
7544 (handle_ptr_arith): Likewise.
7545 (find_func_aliases): Likewise. Remove unused need_anyoffset
7546 variable.
7548 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
7549 Kaz Kojima <kkojima@gcc.gnu.org>
7551 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
7552 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
7553 (EXTRA_CONSTRAINT_C16): Remove.
7554 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
7555 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
7556 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
7557 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
7558 constants of SHmedia. Handle nested constant expressions of
7559 SHmedia correctly.
7560 (andcosts): Fix the costs for SHmedia constants.
7561 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
7562 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
7563 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
7564 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
7565 (movv4hi_i, movv2si_i): Likewise.
7566 (movsi_const): Adjust the second operand of ior so to match with
7567 the Csu constraint.
7568 (movdi_const, movdi_const_32bit): Likewise.
7569 (movdi_const_16bit+1): Don't sign-extend LOW.
7570 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
7571 step.
7572 (*double_shori): Fix the split condition. Use GEN_INT instead
7573 of get_int_mode calls. Mask lower 16-bit of the argument of
7574 the last GEN_INT.
7575 (sym2GOTPLT): Remove.
7576 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
7577 gen_rtx_UNSPEC.
7578 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
7579 instead of EXTRA_CONSTRAINT_C16.
7581 2006-01-07 Ian Lance Taylor <ian@airs.com>
7582 David Edelsohn <edelsohn@gnu.org>
7584 PR rtl-optimization/25662
7585 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
7586 for constant operands instead of simplify_gen_binary.
7587 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
7588 after trying simplify_binary_operation
7590 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
7592 * tree.c (iterative_hash_expr): Hash decls based on UID.
7594 2006-01-06 Eric Christopher <echristo@apple.com>
7596 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
7597 (TARGET_UNWIND_EMIT): Fix spelling.
7598 * target.h (gcc_target): Add except_table_label.
7599 * except.c (output_function_exception_table): Use.
7600 * varasm.c (default_emit_except_table_label): New.
7601 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
7602 define.
7603 (asm_out): Add here.
7604 * output.h (default_emit_except_table_label): Prototype.
7605 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
7606 * config/darwin.c (darwin_emit_except_table_label): Define.
7607 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
7609 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
7611 PR tree-optimization/18527
7612 * tree-ssa-loop-niter.c (number_of_iterations_cond,
7613 number_of_iterations_special, number_of_iterations_exit):
7614 Move base and step of an iv to a single structure. Add
7615 no_overflow flag, and use it in # of iterations analysis.
7616 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
7617 folded_casts argument.
7618 (simple_iv): Pass base and step in a structure. Set no_overflow
7619 flag.
7620 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
7621 Evaluate expensiveness of computing # of iterations instead of
7622 the final expression.
7623 * tree-scalar-evolution.h (affine_iv): New structure.
7624 (simple_iv): Declaration changed.
7625 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
7626 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
7627 find_givs_in_stmt): Changed due to simple_iv change.
7629 2006-01-06 Jeff Law <law@redhat.com>
7631 PR ada/24994
7632 * tree-cfg.c (bsi_replace): Rename final argument from
7633 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
7634 change (stmt -> orig_stmt).
7635 * tree-eh.c (verify_eh_throw_stmt_node): New function.
7636 (bsi_remove): Add new argument. Remove EH information
7637 if requested.
7638 (verify_eh_throw_table_statements): New function.
7639 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
7640 updated.
7641 * tree-optimize.c (execute_free_cfg_annotations): Verify
7642 the EH throw statement table after removing annotations.
7643 * except.h (verify_eh_throw_table_statements): Prototype.
7644 * tree-flow.h (bsi_remove): Update prototype.
7645 * tree-vrp.c (remove_range_assertions): Add new argument to
7646 bsi_remove call.
7647 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
7648 * tree-complex.c (expand_complex_div_wide): Likewise.
7649 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
7650 * tree-tailcall.c (eliminate_tailcall): Likewise.
7651 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
7652 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
7653 * tree-nrv.c (tree_nrv): Likewise.
7654 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
7655 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
7656 (combine_blocks): Likewise.
7657 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
7658 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
7659 (cleanup_control_flow): Likewise.
7660 (remove_forwarder_block): Likewise.
7661 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
7662 * tree-sra.c (sra_replace): Likewise.
7663 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
7664 (forward_propagate_single_use_vars): Likewise.
7665 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
7666 * tree-inline.c (expand_call_inline): Likewise.
7667 * tree-vect-transform.c (vect_transform_loop): Likewise.
7668 * tree-outof-ssa.c (rewrite_trees): Likewise.
7669 * tree-cfg.c (make_goto_expr_edges): Likewise.
7670 (cleanup_dead_labels): Likewise.
7671 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
7672 (bsi_move_before, bsi_move_after): Likewise.
7673 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
7674 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
7676 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
7678 PR tree-opt/25528
7679 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
7680 and IMAGPART_EXPR.
7681 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
7682 on non gimple variables. Also add checks at the top for decls and
7683 mtags.
7684 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
7685 complex types.
7686 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
7687 and IMAGPART_EXPR for creating MUST_DEFs.
7688 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
7689 and NAME_MEMORY_TAG separately from the DECLs.
7691 2006-01-06 Richard Guenther <rguenther@suse.de>
7693 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
7694 annotation, if necessary.
7695 * tree-ssa-pre.c (create_expression_by_pieces): Remove
7696 redundant calls to update_stmt.
7697 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
7698 Likewise.
7700 2006-01-05 Richard Henderson <rth@redhat.com>
7702 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
7704 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
7706 * c-typeck.c: Update copyright date.
7708 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
7710 * c-typeck.c (build_c_cast): Always warn when casting
7711 from a pointer to an integer of different size, even if
7712 the node was constant.
7714 2006-01-05 Richard Guenther <rguenther@suse.de>
7716 PR tree-optimization/22555
7717 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
7718 if one structure field is an array.
7719 * tree-ssa-operands.c (get_expr_operands): Continue scanning
7720 operands even if we found a subvar, but ignore VOPs in this
7721 case.
7722 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
7723 for renaming.
7724 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
7726 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
7728 PR middle-end/24998
7729 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
7731 2006-01-05 Richard Guenther <rguenther@suse.de>
7732 Diego Novillo <dnovillo@redhat.com>
7734 * tree-pass.h (TODO_remove_unused_locals): Define.
7735 * gimple-low.c (expand_var_p, remove_useless_vars,
7736 pass_remove_useless_vars): Remove. Update all users.
7737 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
7738 (remove_unused_locals): New function.
7739 * tree-flow.h (remove_unused_locals): Declare.
7740 * passes.c (execute_todo): Call remove_unused_locals if
7741 TODO_remove_unused_locals is set.
7742 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
7743 * tree-ssa-dce.c (pass_dce): Likewise.
7744 * tree-outof-ssa.c (pass_del_ssa): Likewise.
7746 2006-01-05 Richard Guenther <rguenther@suse.de>
7748 * tree-flow.h (struct fieldoff): Decompose field to
7749 type, size and decl.
7750 * tree-ssa-alias.c (create_sft): Take type as parameter.
7751 (create_overlap_variables_for): Store type, size and decl
7752 in the fieldoff structure.
7753 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
7754 of struct fieldoff.
7755 (push_fields_onto_fieldstack): Likewise.
7756 (create_variable_info_for): Likewise. Use offset for the
7757 SFT name if the decl is not available.
7759 2006-01-04 Paul Brook <paul@codesourcery.com>
7761 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
7763 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
7765 * lambda-code.c (can_put_in_inner_loop): Relax
7766 restrictions.
7767 (can_put_after_inner_loop): New function.
7768 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
7769 (perfect_nestify): Change to make copies and modify uses.
7771 2006-01-04 Richard Henderson <rth@redhat.com>
7773 Merge from gomp branch:
7774 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
7775 via integer constant.
7776 (pragma_lex): Remove.
7777 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
7778 rather than parsing it.
7779 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
7780 handle_pragma_extern_prefix): Add %< %> quotes.
7781 (registered_pragmas): New.
7782 (c_register_pragma_1): New.
7783 (c_register_pragma): Use it.
7784 (c_register_pragma_with_expansion): Likewise.
7785 (c_invoke_pragma_handler): New.
7786 (init_pragma): Use cpp_register_deferred_pragma directly for
7787 pch_preprocess.
7788 * c-pragma.h (enum pragma_kind): New.
7789 (pragma_handler): New.
7790 (c_invoke_pragma_handler): Declare.
7791 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
7792 CPP_PRAGMA_EOL.
7793 * c-common.h (c_common_pch_pragma): Update decl.
7794 * Makefile.in (c-parser.o): Update dependencies.
7795 (GTFILES): Add c-pragma.h.
7796 * c-parser.c (struct c_token): Add pragma_kind.
7797 (struct c_parser): Add in_pragma.
7798 (c_lex_one_token): Always initialize keyword and pragma_kind.
7799 Extract data for CPP_PRAGMA.
7800 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
7801 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
7802 Don't allow CPP_PRAGMA_EOL if in_pragma.
7803 (c_parser_consume_pragma): New.
7804 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
7805 (c_parser_skip_to_end_of_parameter): Likewise.
7806 (c_parser_skip_to_end_of_block_or_statement): Likewise.
7807 (c_parser_skip_to_pragma_eol): New.
7808 (c_parser_external_declaration): Handle CPP_PRAGMA.
7809 (c_parser_compound_statement_nostart): Likewise.
7810 (c_parser_statement_after_labels): Likewise.
7811 (c_parser_pragma): New.
7812 (pragma_lex): Likewise.
7813 (c_parser_pragma_pch_preprocess): New.
7814 (c_parser_new): Merge into ...
7815 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
7817 2006-01-04 Jeff Law <law@redhat.com>
7819 PR ada/24994
7820 * tree-cfg.c (bsi_replace): Remove the original statement
7821 from the EH throw statement table.
7823 2006-01-04 Jakub Jelinek <jakub@redhat.com>
7825 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
7826 make the prototype extern "C" and add throw ().
7828 PR target/25554
7829 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
7830 and pos non-negative and pos + len <= 32.
7831 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
7832 drop pos + len < HOST_BITS_PER_WIDE_INT test.
7833 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
7835 PR c/25559
7836 * c-common.c (handle_vector_size_attribute): Reject zero vector size
7837 as well as sizes not multiple of component size.
7839 PR debug/25562
7840 * function.c (instantiate_expr): New function.
7841 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
7842 walk its DECL_VALUE_EXPR with instantiate_expr.
7844 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
7845 DW_OP_deref{,_size} if address isn't going to be added.
7847 2006-01-04 Ben Elliston <bje@au.ibm.com>
7849 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
7850 * config/fp-bit.c: Likewise.
7852 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
7854 * dominance.c: Add comment about why we use DFS numbering
7855 of dominance tree.
7857 2006-01-03 Jakub Jelinek <jakub@redhat.com>
7858 Richard Henderson <rth@redhat.com>
7860 Merge from gomp-branch:
7861 * varasm.c (assemble_variable): Handle thread-local COMMON data.
7862 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
7864 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
7866 PR rtl-optimization/25578
7867 * combine.c (combine_simplify_rtx, force_to_mode): Don't
7868 pass a parameter to simplify_shift_const if changing ASHIFTRT
7869 to LSHIFTRT.
7871 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
7873 * builtins.c (get_builtin_sync_mem): New function.
7874 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
7875 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
7876 Call get_builtin_sync_mem to generate mem rtx.
7878 2006-01-03 Richard Guenther <rguenther@suse.de>
7880 PR c/25183
7881 * stmt.c (add_case_node): Make sure to clear overflow flags
7882 from ranges.
7884 2006-01-03 Jakub Jelinek <jakub@redhat.com>
7886 Merge from gomp-branch.
7887 * config/sparc/sync.md: New file.
7888 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
7889 UNSPECV_LDSTUB): New constants.
7890 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
7891 * config/sparc/predicates.md (memory_reg_operand): New predicate.
7892 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
7893 prototype.
7895 2006-01-03 Roger Sayle <roger@eyesopen.com>
7897 * combine.c (reg_subword_p): New predicate to test whether the
7898 destination of a set refers to a subword/piece of a register.
7899 (try_combine): Generalize the code to merge the setting of a
7900 pseudo to a constant followed by a set of a subword of that
7901 register to a constant.
7903 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
7905 * basic-block.h (control_flow_graph): Change the type of
7906 x_label_to_block_map to VEC(basic_block,gc) *.
7907 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
7908 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
7910 * tree-ssa-propagate.c (cfg_blocks): Change the type to
7911 VEC(basic_block,heap) *.
7912 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
7913 ssa_prop_fini): Adjust the uses of cfg_blocks.
7915 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
7917 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
7918 COMPONENT_REFs.
7919 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
7920 hashing trees instead of a pointer hash.
7921 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
7922 compare for MEM_EXPR.
7924 PR rtl-optimization/25130
7925 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
7926 when comparing MEMs for GCSE
7928 2006-01-03 Ben Elliston <bje@au.ibm.com>
7930 * targhooks.h (default_decimal_float_supported_p): Declare.
7931 * targhooks.c (default_decimal_float_supported_p): Define.
7932 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
7933 `default_decimal_float_supported_p'.
7934 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
7936 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
7938 * combine.c (apply_distributive_law <SUBREG>): Check
7939 TRULY_NOOP_TRUNCATION.
7941 2006-01-02 Geoffrey Keating <geoffk@apple.com>
7943 * dwarf2out.c (have_switched_text_section): Delete.
7944 (have_multiple_function_sections): New.
7945 (have_location_lists): Make 'bool'.
7946 (add_AT_loc_list): Use 'true' not '1'.
7947 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
7948 (output_loc_list): Use have_multiple_function_sections.
7949 (output_ranges): Likewise.
7950 (dwarf2out_begin_function): Set have_multiple_function_sections if
7951 necessary.
7952 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
7953 Check function_section rather than DECL_SECTION_NAME.
7954 (dwarf2out_finish): Use have_multiple_function_sections.
7955 Don't clear have_location_lists.
7957 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
7958 Jan Hubicka <jh@suse.cz>
7960 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
7961 case of conditional jump jumping to the next instruction.
7962 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
7963 cases of conditional jump jumping to the next instruction.
7965 2006-01-02 Jan Hubicka <jh@suse.cz>
7967 * i386.c (*_cost): Add COSTS_N_INSNS.
7968 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
7970 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
7972 PR target/25259
7973 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
7975 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7977 * config/arm/arm.c (all_fpus): Fix comment typo.
7978 * config/darwin.c: Likewise.
7979 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
7980 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
7981 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
7983 2006-01-01 David Edelsohn <edelsohn@gnu.org>
7985 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
7986 (rs6000_split_compare_and_swapqhi): New.
7987 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
7988 (sync_compare_and_swapqhi_internal): New.
7989 * config/rs6000/rs6000-protos.h: Declare.