1 2006-03-24 Geoffrey Keating <geoffk@apple.com>
4 * config/t-darwin (crt3.o): Work around bug 26840.
5 * config/darwin-crt3.c: Rewrite.
6 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
8 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
10 * doc/invoke.texi: Document -femit-class-debug-always
11 * common.opt: Add -femit-class-debug-always.
13 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
15 * config/s390/s390.c (s390_decompose_address): Allow SImode for
16 index and base register.
17 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
18 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
19 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
21 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
23 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
24 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
25 REG_OK_FOR_BASE_P): Definitions removed.
27 2006-03-24 Jakub Jelinek <jakub@redhat.com>
30 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
31 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
32 set yet or weren't marked as local yet.
34 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
36 * regrename.c (scan_rtx_address): Initialize a variable to shut up
39 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
41 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
42 (rs6000_legitimate_small_data_p): Delete.
43 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
44 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
45 and make static. Add forward declaration. Update uses.
46 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
47 of offsettable_memref_p.
48 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
49 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
51 2006-03-24 Jeff Law <law@redhat.com>
53 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
54 around bug in immediate-use iterator.
56 2006-03-24 Alan Modra <amodra@bigpond.net.au>
59 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
62 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
64 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
65 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
66 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
67 * config/sh/sh.opt (mdiv=): Amend description.
68 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
69 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
70 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
71 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
72 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
73 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
74 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
75 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
76 TARGET_DIVIDE_CALL_FP.
78 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
80 * haifa-sched.c (choose_ready): Fix type of the local variable.
81 Move local variables. Add comment.
82 (check_reg_live): Change signature. Make callable from debugger.
83 * sched-int.h (check_reg_live): Update signature.
84 * sched-ebb.c (check_reg_live): Update parameters.
85 * sched-rgn.c (check_reg_live): Ditto.
86 (region_head_or_leaf_p): Check pointer before dereferencing.
87 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
88 before reload on optimization levels below 1.
90 2006-03-23 Richard Henderson <rth@redhat.com>
92 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
96 * config/alpha/predicates.md (local_symbolic_operand): Reject
99 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
102 * tree-ssa-pre.c (create_value_expr_from): Don't reject
103 expressions which have overflowed constants.
105 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
107 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
109 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
111 * cfgloopmanip.c (create_loop_notes): Removed.
112 * final.c (final_scan_insn): Do not handle loop notes.
113 * jump.c (squeeze_notes): Ditto.
114 * cfglayout.c (skip_insns_after_block,
115 duplicate_insn_chain): Ditto.
116 * cfgcleanup.c (rest_of_handle_jump2): Do not call
118 * cfgloop.h (create_loop_notes): Declaration removed.
120 2006-03-23 Richard Sandiford <richard@codesourcery.com>
122 * varasm.c (output_constant_pool): Restore fnname and fndecl
124 (assemble_start_function): Adjust call accordingly.
125 (assemble_end_function): Likewise.
127 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
130 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
133 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
135 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
138 * system.h (ICE_EXIT_CODE): New macro.
139 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
140 (diagnostic_action_after_output): Likewise.
141 * gcc.c (fatal_ice): New function.
142 (execute): Use it instead of fatal.
143 (fancy_abort): Likewise.
144 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
146 2006-03-22 Jeff Law <law@redhat.com>
148 * loop-unroll.c (analyze_iv_to_split_insn): Handle
149 iv_analyze_result returning false.
151 2006-03-22 Jie Zhang <jie.zhang@analog.com>
153 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
155 2006-03-22 Richard Henderson <rth@redhat.com>
158 * except.c (duplicate_eh_regions_0): New.
159 (duplicate_eh_region_1): Duplicate the children of the node as
160 well as the node itself. Link them up properly.
161 (duplicate_eh_region_2): Merge into ...
162 (duplicate_eh_regions): ... here. Take copy_region argument, and
163 copy only a sub-tree if asked. Simplify copying and fixup.
164 (eh_region_outer_p): New.
165 * except.h (duplicate_eh_regions): Update decl.
166 (eh_region_outer_p): Declare.
167 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
168 (lower_omp_master): Likewise.
169 (lower_omp_ordered): Likewise.
170 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
171 (move_stmt_r): Use it to remap labels. Handle recursion vs
172 remap_decls_p properly.
173 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
174 (find_outermost_region_in_block): New.
175 (new_label_mapper): New.
176 (move_sese_region_to_fn): Copy eh information to the new function
178 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
180 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
183 2006-03-22 Richard Sandiford <richard@codesourcery.com>
185 * doc/md.texi (-mshared): Mention that -mshared code can be linked
186 into shared libraries.
188 2006-03-22 Richard Sandiford <richard@codesourcery.com>
190 * doc/md.texi: Refer to i386/constraints.md instead of
192 * config/i386/constraints.md: New file, extracted from...
193 * config/i386/predicates.md: ...here.
194 * config/i386/i386.md: Include constraints.md.
196 2006-03-21 Jason Merrill <jason@redhat.com>
198 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
201 * expr.c (init_block_move_fn): Force default visibility.
202 (init_block_clear_fn): Likewise.
203 * builtins.c (expand_builtin_fork_or_exec): Likewise.
204 * targhooks.c (default_external_stack_protect_fail): Likewise.
206 2006-03-21 Richard Sandiford <richard@codesourcery.com>
208 * config/mips/predicates.md (const_call_insn_operand): Allow direct
209 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
210 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
211 Use TARGET_OLDABI instead of !TARGET_NEWABI.
212 (loadgp): Use mips_current_loadgp_style.
213 (loadgp_noshared): New pattern.
214 (sibcall_internal): Use MIPS_CALL.
215 (sibcall_value_internal): Likewise.
216 (sibcall_value_multiple_internal): Likewise.
217 (call_internal): Likewise.
218 (call_value_internal): Likewise.
219 (call_value_multiple_internal): Likewise.
220 (call_split): Use MIPS_CALL and add an 'S' constraint.
221 (call_value_split): Likewise.
222 (call_value_multiple_split): Likewise.
223 * config/mips/mips.opt (-mabicalls): Tweak docstring.
224 (-mshared): New option.
225 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
226 (mips_current_loadgp_style): Declare.
227 * config/mips/mips.c (mips_classify_symbol): Avoid using
228 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
229 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
230 TARGET_ABSOLUTE_ABICALLS.
231 (override_options): Adjust comments. Improve the warning that is
232 issued when -mabicalls and -G are used together.
233 (mips_file_start): Remove comment.
234 (mips_current_loadgp_style): New function.
235 (mips_gnu_local_gp): New variable.
236 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
238 (mips_output_function_prologue): Use mips_current_laodgp_style.
239 (mips_expand_prologue): Call mips_emit_loadgp before emitting
240 the cprestore instruction.
241 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
242 live for TARGET_ABSOLUTE_ABICALLS.
243 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
244 (ASM_SPEC): Pass down -mshared and -mno-shared.
245 (MIPS_CALL): New macro.
246 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
248 * doc/invoke.texi (-mabicalls): Update documentation.
249 (-mshared): Document.
251 2006-03-21 Steve Ellcey <sje@cup.hp.com>
253 * config/ia64/unwind-hpux.c: New file.
254 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
256 2006-03-21 Steve Ellcey <sje@cup.hp.com>
259 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
261 2006-03-21 Jeff Law <law@redhat.com>
263 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
264 type conversions of a VR_VARYING source to a wider type.
266 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
268 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
269 tm_file on Solaris 10 and later.
270 (sparc64-*-solaris2*): Likewise.
271 (sparc-*-solaris2*): Likewise.
272 * config/sol26.h: Rename to config/sol2-6.h.
273 * config/sol2-10.h: New file.
275 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
278 * tree-ssa-pre.c (create_component_ref_by_pieces):
281 2006-03-21 Jakub Jelinek <jakub@redhat.com>
284 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
285 return it immediately.
287 2006-03-21 Michael Matz <matz@suse.de>
289 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
291 (remove_arc, add_arc): Update num_out_arcs member.
292 (set_out_arc_insns_equiv_num): Returns nothing instead of number
294 (cache_presence): New function.
295 (compare_states_for_equiv): New function.
296 (state_is_differed): Don't take number of outargs, adjust callers.
297 Use new invariant for speeding up.
298 (init_equiv_class): Create initial classes based on sorted
300 (partition_equiv_class): Don't track out_arcs_num.
301 (evaluate_equiv_classes): Call cache_presence on all states and
304 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
306 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
307 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
308 (bfin_valid_reg_p): Test for pseudos explicitly and use only
309 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
311 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
312 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
313 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
314 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
315 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
317 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
318 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
319 (REGNO_REG_CLASS): ARGP is in PREGS.
320 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
322 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
323 to deal with those addresses.
324 * addresses.h: New file.
325 * caller-save.c: Include "addresses.h".
326 (init_caller_save): Use new base_reg_class function.
327 * rtl-factoring.c: Include "addresses.h".
328 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
329 * recog.c: Include "addresses.h".
330 (preprocess_constraints): Use new base_reg_class function.
331 * regrename.c: Include "addresses.h".
332 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
333 functions. Keep track of a new var INDEX_CODE to compute valid
335 (replace_oldest_value_addr): Likewise.
336 (replace_oldest_value_mem): Use base_reg_class.
337 * reload.c: Include "addresses.h".
338 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
339 (find_reloads): Use new base_reg_class function.
340 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
341 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
342 all callers and prototype changed.
343 * reload1.c: Include "addresses.h".
344 (maybe_fix_stack_asms): Use base_reg_class.
345 * regclass.c: Include "addresses.h".
346 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
347 (init_reg_autoinc): Use new base_reg_class function.
348 (record_reg_classes): Likewise.
349 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
350 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
351 Use new args to compute necessary class.
353 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
354 regrename.o, rtl-factoring.o): Update dependencies.
355 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
356 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
357 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
358 REG_OK_FOR_INDEX_P): Delete documentation.
360 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
362 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
363 from V7 to V9 for Solaris 7 and above.
365 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
367 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
368 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
369 argument pointers may not alias any other storage.
370 * common.opt: Define option -fargument-noalias-anything.
371 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
372 alias semantics is specified by flag_argument_noalias > 2.
374 2006-03-20 Jeff Law <law@redhat.com>
376 * tree-pass.h (pass_phi_only_copy_prop): Delete.
377 (pass_phi_only_cprop): Declare.
378 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
380 * tree-ssa-dom.c (degenerate_phi_result): New function.
381 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
382 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
383 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
384 (eliminate_degenerate_phis): Likewise.
385 (pass_phi_only_cprop): New pass descriptor.
386 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
387 support code. Callers updated.
388 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
389 (store_copy_prop): Likewise.
390 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
392 2006-03-20 Jason Merrill <jason@redhat.com>
395 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
396 (push_visibility, pop_visibility): Likewise.
397 * c-pragma.h: Declare them.
399 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
401 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
403 * config/sh/sh.c (find_regmode_weight): Change the type of the first
404 parameter and use get_ebb_head_tail.
405 (sh_md_init_global): Adjust uses of find_regmode_weight.
407 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
409 * function.h (struct function) <x_tail_recursion_reentry>:
410 Rename to x_stack_check_probe_note.
411 (tail_recursion_reentry): Rename to stack_check_probe_note.
412 * function.c: Replace tail_recursion_reentry with
413 stack_check_probe_note everywhere.
414 (expand_function_start): Only emit a note for
415 stack_check_probe_note with -fstack-protect.
416 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
418 * emit-rtl.c (remove_unnecessary_notes): Remove.
419 (pass_remove_unnecessary_notes): Remove.
420 * rtl.h (remove_unnecessary_notes): Remove prototype.
421 * final.c (final_start_function): Don't call remove_unnecessary_notes.
422 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
423 * passes.c (pass_remove_unnecessary_notes): Don't run it.
425 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
428 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
429 (valid_in_set): Handle ARRAY_REF.
430 Change "if min_variant or VH" to asserts.
431 (create_component_ref_by_pieces): Handle ARRAY_REF.
432 (create_expression_by_pieces): Likewise.
433 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
435 2006-03-20 David Edelsohn <edelsohn@gnu.org>
437 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
438 is operand of switch, not str[0].
440 2006-03-20 Alan Modra <amodra@bigpond.net.au>
442 * config/rs6000/rs6000.c (rs6000_handle_option): Use
443 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
445 2006-03-19 David Edelsohn <edelsohn@gnu.org>
447 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
448 end of insn_extra_address_constraint declaration.
450 2006-03-19 David Edelsohn <edelsohn@gnu.org>
452 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
453 (no-sum-in-toc): Same.
454 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
456 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
457 NO_FP_IN_TOC for -fPIC instead of mask.
459 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
460 (BOOT_LDFLAGS): Delete.
462 * config/rs6000/t-aix52: Same.
464 * config/rs6000/rs6000.md (store_multiple_power): Delete.
465 (stmsi[345678]_power): New.
467 2006-03-17 Steve Ellcey <sje@cup.hp.com>
469 * config/ia64/ia64.opt: Add empty line to end of file.
471 2006-03-17 Richard Guenther <rguenther@suse.de>
474 * builtins.c (get_pointer_alignment): For component style references
475 adjust alignment to the component type alignment. Make sure
476 to adjust alignment for component access of constants.
478 2006-03-17 David Edelsohn <edelsohn@gnu.org>
480 * config/rs6000/rs6000.md (strlensi): Emit barrier after
483 2006-03-17 Paul Brook <paul@codesourcery.com>
485 * doc/install.texi: Docuemnt --with-mode.
486 * config.gcc: Add --with-mode for arm*-*-*.
487 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
489 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
491 * sh.c (max_labelno_before_reorg): New variable.
492 (sh_reorg): Initialize it.
493 (find_barrier): Check max_labelno_before_reorg before using
494 label_to_alignment. Take length of explicit alignment insns
495 into account. When seeing a UNSPECV_CONST_END, return it.
497 * sh.c (fixup_mova): Set mode of affected label to QImode.
498 (untangle_mova): New function.
499 (find_barrier): Use it. Check mode of label before decrementing
501 (sh_reorg): Likewise.
502 Set mode of all insns back to VOIDmode.
504 * sh.c (MOVA_LABELREF): New macro.
505 (mova_p, fixup_mova, sh_reorg): Use it.
506 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
507 ADDR_DIFF_VEC matches mova.
509 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
511 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
512 with ATTRIBUTE_UNUSED.
514 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
516 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
517 pointer, instead of assuming it is possible to derive the
518 correct args size from a call insn.
520 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
522 * rtl.h (CONST_INT_P): Define.
523 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
524 instead of GET_CODE(x) == CONST_INT.
525 (vax_rtx_costs): Likewise.
526 (vax_output_int_move): Likewise.
527 (vax_output_int_add): Likewise.
528 (legitimate_constant_address_p): Likewise.
529 (index_term_p): Likewise.
530 * config/vax/vax.h (PRINT_OPERAND): Likewise.
531 * config/vax/vax.md (and<mode>3): Likewise.
534 (movstricthi): Likewise.
535 (movstrictqi): Likewise.
537 (five unnamed insns): Likewise.
539 2006-03-16 Geoffrey Keating <geoffk@apple.com>
541 * doc/tm.texi (SDB and DWARF): Add extra parameter to
542 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
543 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
544 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
545 Pass to ASM_OUTPUT_DWARF_OFFSET.
546 * dwarf2out.c (debug_frame_section): New.
547 (output_call_frame_info): Use debug_frame_section. Pass it to
548 dw2_asm_output_offset.
549 (output_die): Pass appropriate section to dw2_asm_output_offset.
550 (output_compilation_unit_header): Likewise.
551 (output_pubnames): Likewise.
552 (output_aranges): Likewise.
553 (enum dw_val_class): Break dw_val_class_lbl_offset into
554 dw_val_class_lineptr and dw_val_class_macptr.
555 (add_AT_lbl_offset): Delete.
556 (add_AT_lineptr): New.
557 (add_AT_macptr): New.
558 (AT_lbl): Expect a lineptr or macptr.
559 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
560 (attr_checksum): Likewise.
561 (same_dw_val_p): Likewise.
562 (size_of_die): Likewise.
563 (value_format): Likewise.
564 (output_die): Likewise.
565 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
567 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
568 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
569 * config/darwin-protos.h (darwin_file_start): New.
570 (darwin_asm_output_dwarf_offset): New.
571 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
572 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
574 * config/darwin.c (darwin_emit_unwind_label): Don't output label
575 if not EH section; simplify.
576 (darwin_file_start): New.
577 (darwin_asm_output_dwarf_offset): New.
578 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
580 (DEBUG_INFO_SECTION): Likewise.
581 (DEBUG_ABBREV_SECTION): Likewise.
582 (DEBUG_ARANGES_SECTION): Likewise.
583 (DEBUG_MACINFO_SECTION): Likewise.
584 (DEBUG_LINE_SECTION): Likewise.
585 (DEBUG_LOC_SECTION): Likewise.
586 (DEBUG_PUBNAMES_SECTION): Likewise.
587 (DEBUG_STR_SECTION): Likewise.
588 (DEBUG_RANGES_SECTION): Likewise.
589 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
590 (ASM_OUTPUT_DWARF_OFFSET): New.
592 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
594 * config.gcc (tm_defines): Always add to previous value rather
597 2006-03-16 Richard Sandiford <richard@codesourcery.com>
599 * config/mips/predicates.md (splittable_const_int_operand): New,
600 split from move_operand.
601 (splittable_symbolic_operand): New.
602 (move_operand): Add commentary. Use splittable_const_int_operand.
603 Inline mips_atomic_symbolic_constant_p.
604 * config/mips/mips.md: Add combine splitters for handling moves
605 of splittable_const_int_operands and splittable_symbolic_operands.
606 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
607 (mips_split_symbol): Declare.
608 (mips_move_integer): Declare.
609 * config/mips/mips.c (mips_split_p): Make global.
610 (TARGET_MIN_ANCHOR_OFFSET): Override default.
611 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
612 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
613 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
614 (mips_offset_within_object_p): Handle block symbols.
615 (mips_atomic_symbolic_constant_p): Delete.
616 (mips_cannot_force_const_mem): Return false for constants that
617 mips_legitimize_move can handle.
618 (mips_use_blocks_for_constant_p): New function.
619 (mips_split_symbol): Make global.
620 (mips_move_integer): Likewise. Add a temporary register argument.
621 (mips_legitimize_const_move): Use splittable_const_int_operand and
622 splittable_symbolic_operand.
623 (mips_use_anchors_for_symbol_p): New function.
624 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
625 (mips_split_p): Declare.
627 2006-03-16 Richard Sandiford <richard@codesourcery.com>
629 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
630 (mips*-*-linux*): Likewise.
632 2006-03-16 Roger Sayle <roger@eyesopen.com>
633 Daniel Speyer <dspeyer@wam.umd.edu>
636 * tree-dump.c (dump_real): New function.
637 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
638 * Makefile.in (REAL_H): New macro for dependencies on real.h.
639 (tree-dump.o): Add $(REAL_H) to the dependencies.
641 2006-03-16 Roger Sayle <roger@eyesopen.com>
644 * real.c (real_from_string): If the mantissa is zero, don't bother
645 parsing the exponent as the result should always be zero.
647 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
649 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
651 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
653 * config/ia64/ia64.c (stops_p): Added explicit initialization.
654 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
655 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
656 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
657 ia64_sched_finish_global): New static functions to implement
658 hooks from gcc_target.sched.
659 (spec_check_no, max_uid, pending_data_specs): New static variables.
660 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
661 ia64_spec_check_src_p): New static functions.
662 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
663 (TARGET_SCHED_ADJUST_COST): Removed.
664 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
665 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
666 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
667 TARGET_SCHED_GEN_CHECK,
668 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
669 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
670 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
671 Fixed to handle speculation checks.
672 (rtx_needs_barrier): Fixed to handle speculative loads and
674 (ia64_variable_issue): Added code to count speculative loads and their
676 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
678 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
680 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
682 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
683 (ia64_reorg): Reset stops_p to NULL after it is freed.
684 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
685 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
686 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
688 (data_speculative, control_speculative, check_load): New attributes.
689 (mov<mode>_advanced, mov<mode>_speculative,
690 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
691 zero_extend<mode>di2_speculative,
692 zero_extend<mode>di2_speculative_advanced): New patterns for
693 data and control speculative loads.
694 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
696 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
697 New pattern for data and control speculation checks.
698 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
699 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
700 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
701 Auxiliary definitions for the patterns.
702 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
703 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
705 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
707 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
708 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
709 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
710 New resource constraints.
711 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
713 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
714 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
715 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
716 msched-in-control-spec, msched-ldc, msched-control-ldc,
717 msched-spec-verbose, msched-prefer-non-data-spec-insns,
718 msched-prefer-non-control-spec-insns,
719 msched-count-spec-in-critical-path): New flags to tune speculative
721 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
722 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
723 msched-in-control-spec, msched-ldc, msched-control-ldc,
724 msched-spec-verbose, msched-prefer-non-data-spec-insns,
725 msched-prefer-non-control-spec-insns,
726 msched-count-spec-in-critical-path): Document new flags.
728 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
730 * target.h (struct spec_info_def): New opaque declaration.
731 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
732 speculate_insn, needs_block_p, gen_check,
733 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
734 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
735 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
736 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
737 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
738 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
740 (TARGET_SCHED): Use new macros.
741 * rtl.h (copy_DEPS_LIST_list): New prototype.
742 * sched-int.h (struct sched_info): Change signature of new_ready field,
743 adjust all initializations. New fields: add_remove_insn,
744 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
745 region_head_or_leaf_p.
746 (struct spec_info_def): New structure declaration.
747 (spec_info_t): New typedef.
748 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
749 recovery_block, orig_pat.
750 (glat_start, glat_end): New variables declaraions.
751 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
753 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
754 DETACH_LIFE_INFO, USE_GLAT.
755 (enum SPEC_SCHED_FLAGS): New enumeration.
756 (NOTE_NOTE_BB_P): New macro.
757 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
758 attach_life_info, debug_spec_status, check_reg_live): New functions.
759 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
760 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
762 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
763 * ddg.c (get_block_head_tail): Adjust all uses.
764 * modulo-sched.c (get_block_head_tail): Adjust all uses.
765 (sms_sched_info): Initialize new fields.
766 (contributes_to_priority): Removed.
767 * haifa-sched.c (params.h): New include.
768 (get_block_head_tail): Adjust all uses.
769 (ISSUE_POINTS): New macro.
770 (glat_start, glat_end): New global variables.
771 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
772 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
773 old_last_basic_block, before_recovery, current_sched_info_var,
774 rgn_n_insns, luid): New static variables.
775 (insn_cost1): New function. Move logic from insn_cost to here.
776 (find_insn_reg_weight1): New function. Move logic from
777 find_insn_reg_weight to here.
778 (reemit_notes, move_insn, max_issue): Change signature.
779 (move_insn1): Removed.
780 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
781 extend_bb): New static functions to support extension of scheduler's
783 (generate_recovery_code, process_insn_depend_be_in_spec,
784 begin_speculative_block, add_to_speculative_block,
785 init_before_recovery, create_recovery_block, create_check_block_twin,
786 fix_recovery_deps): New static functions to support
787 generation of recovery code.
788 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
789 restore_bb_notes, move_block_after_check, move_succs): New static
790 functions to support ebb scheduling.
791 (init_glat, init_glat1, attach_life_info1, free_glat): New static
792 functions to support handling of register live information.
793 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
794 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
795 add_jump_dependencies): New static functions.
796 (check_cfg, has_edge_p, check_sched_flags): New static functions for
797 consistancy checking.
798 (debug_spec_status): New function to call from debugger.
799 (priority): Added code to handle speculation checks.
800 (rank_for_schedule): Added code to distinguish speculative instructions.
801 (schedule_insn): Added code to handle speculation checks.
802 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
803 Fixed to handle ebbs.
804 (move_insn): Added code to handle ebb scheduling.
805 (max_issue): Added code to use ISSUE_POINTS of instructions.
806 (choose_ready): Added code to choose between speculative and
807 non-speculative instructions.
808 (schedule_block): Added code to handle ebb scheduling and scheduling of
809 speculative instructions.
810 (sched_init): Initialize new variables.
811 (sched_finish): Free new variables. Print statistics.
812 (try_ready): Added code to handle speculative instructions.
813 * lists.c (copy_DEPS_LIST_list): New function.
814 * sched-deps.c (extend_dependency_caches): New function. Move logic
815 from create_dependency_caches to here.
816 (get_dep_weak, ds_merge): Make global.
817 * genattr.c (main): Code to output prototype for
818 dfa_clear_single_insn_cache.
819 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
820 (output_dfa_clean_insn_cache_func): Code to output
821 dfa_clear_single_insn_cache function.
822 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
824 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
826 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
827 New static variables.
828 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
829 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
831 (ebb_sched_info): Initialize new fields.
832 (get_block_head_tail): Adjust all uses.
833 (compute_jump_reg_dependencies): Fixed to use glat_start.
834 (schedule_ebb): Code to remove unreachable last block.
835 (schedule_ebbs): Added code to update register live information.
836 * sched-rgn.c (region_sched_info): Initialize new fields.
837 (get_block_head_tail): Adjust all uses.
838 (last_was_jump): Removed. Adjust users.
839 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
840 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
842 (check_dead_notes1): New static function.
843 (struct region): New fields: dont_calc_deps, has_real_ebb.
844 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
845 (BB_TO_BLOCK): Fixed to handle EBBs.
846 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
847 (ebb_head): New static variable.
848 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
849 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
851 (compute_dom_prob_ps): New assertion.
852 (check_live_1, update_live_1): Fixed to work with glat_start instead of
853 global_live_at_start.
854 (init_ready_list): New assertions.
855 (can_schedule_ready_p): Split update code to begin_schedule_ready.
856 (new_ready): Add support for BEGIN_CONTROL speculation.
857 (schedule_insns): Fixed code that updates register live information
859 (schedule_region): Fixed to handle EBBs.
860 (init_regions): Use extend_regions and check_dead_notes1.
861 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
862 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
863 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
864 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
865 TARGET_SCHED_GEN_CHECK,
866 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
867 TARGET_SCHED_SET_SCHED_FLAGS): Document.
868 * doc/invoke.texi (max-sched-insn-conflict-delay,
869 sched-spec-prob-cutoff): Document.
871 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
873 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
874 inter_tick, queue_index.
875 (struct sched_info): Change signature of init_ready_list field.
876 Adjust all initializations.
877 (RESOLVED_DEPS): New access macro.
878 (ready_add): Remove prototype.
879 (try_ready): Add prototype.
880 * sched-rgn.c (init_ready_list): Use try_ready.
881 (schedule_region): Initialize
882 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
883 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
884 (init_ready_list): Use try_ready.
885 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
886 * lists.c (remove_list_elem): Remove `static'.
887 (remove_free_INSN_LIST_elem): New function.
888 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
889 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
890 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
892 (readyp): New variable.
893 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
894 change_queue_index, resolve_dep): New static functions.
895 (try_ready): New function. Adjust callers in sched-rgn.c and
896 sched-ebb.c to use it instead of ready_add.
897 (clock_var): Move at the begining of file.
898 (rank_for_schedule): Fix typo.
899 (queue_insn): Add assertion. Handle QUEUE_INDEX.
900 (ready_lastpos): Enforce assertion.
901 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
903 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
904 (schedule_insn): Rewrite to use try_ready and resolve_dep.
905 (queue_to_ready): Use free_INSN_LIST_list.
906 (early_queue_to_ready): Fix typo.
907 (schedule_block): Init readyp. Move init_ready_list call after the
908 initialization of clock_var. Fix error in rejecting insn by
909 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
910 that previously corrected INSN_TICKs. Add code for handling
912 (set_priorities): Fix typo.
913 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
914 Clarify comment and code that keeps current_sched_info->next_tail
917 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
919 * sched-rgn.c (extend_rgns): New static function.
921 (gather_region_statistics, print_region_statistics): New static
923 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
924 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
926 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
927 Andrey Belevantsev <abel@ispras.ru>
929 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
930 * lists.c (unused_deps_list): New variable.
931 (free_list): Add assertions to verify the proper distinguishing
932 between INSN_LISTs and DEPS_LISTs.
933 (find_list_elem, remove_list_elem, remove_list_node): New static
935 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
936 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
937 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
938 (alloc_INSN_LIST): Assert that the list we're working on is indeed
940 (free_INSN_LIST_node): Likewise.
941 * modulo-sched.c (current_sched_info): Initialize flags field.
942 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
943 * rtl.def (DEPS_LIST): Define.
944 * rtl.h: Declare new functions from lists.c.
945 * sched-deps.c (spec_dependency_cache): New static variable.
946 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
947 (add_dependence): Change return type to void. Move the logic to ...
948 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
949 (delete_all_dependences): Add comment about forward_dependency_cache.
950 Handle spec_dependency_cache. Handle DEPS_LISTs.
951 (fixup_sched_groups): Clarify the change of priority of output
952 and anti dependencies.
953 (sched_analyze_2): Adjust add_dependence calls to create data
954 speculative dependence.
955 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
956 Adjust all callers. Handle DEPS_LISTS.
957 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
958 presence of speculation.
959 (init_dependency_caches, free_dependency_caches):
960 Handle spec_dependency_cache.
961 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
962 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
963 New static functions.
964 (add_or_update_back_dep, add_or_update_back_forw_dep,
965 add_back_forw_dep, delete_back_forw_dep): New functions.
966 * sched-int.h (ds_t, dw_t): New typedefs.
967 (struct sched_info): Add new field flags.
968 (struct haifa_insn_data): Add new bitfield has_internal_dep.
969 Prototype new sched-deps.c functions.
970 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
971 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
972 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
973 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
974 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
975 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
977 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
979 * sched-rgn.c (current_sched_info): Initialize flags field.
980 (schedule_insns): Initialize current_sched_info before the sched_init
982 * sched-ebb.c (current_sched_info): Initialize flags field.
983 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
984 Call add_or_update_back_dep instead of add_dependence.
985 Create control speculative dependencies.
986 (schedule_insns): Initialize current_sched_info before the sched_init
989 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
991 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
993 (sh_fallback_frame_state): Likewise.
995 2006-03-15 Geoffrey Keating <geoffk@apple.com>
997 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
998 Do switch on default_use_cxa_atexit.
999 (powerpc*-*-darwin*): Build crt2.o on powerpc.
1000 * config/darwin-crt3.o: New.
1001 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
1002 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
1003 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
1005 * config/rs6000/t-darwin: Move crt2.o building to here.
1006 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
1007 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
1010 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1012 * config/vax/vax.c (nonindexed_address_p): Change logical negation
1013 from '! xxx' to '!xxx' for coding-style conformance.
1014 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
1015 (EXTRA_CONSTRAINT): Likewise.
1016 * config/vax/vax.md (four unnamed insns): Likewise.
1018 2006-03-15 Paul Brook <paul@codesourcery.com>
1020 * config/arm/arm.c (minipool_pad): New.
1021 (add_minipool_forward_ref): Include pool alignment padding in address
1023 (push_minipool_fix): Set minipool_pad.
1024 (minipool_pad): Ditto.
1026 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1028 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
1029 instead of GET_CODE() == MEM and REG_P() instead of
1031 (print_operand_address): Likewise.
1032 (vax_address_cost): Likewise.
1033 (vax_rtx_costs): Likewise.
1034 (vax_notice_update_cc): Likewise.
1035 (vax_output_int_add): Likewise.
1036 (INDEX_REGISTER_P): Likewise.
1037 (BASE_REGISTER_P): Likewise.
1038 (nonindexed_address_p): Likewise.
1039 (vax_mode_dependent_address_p): Likewise.
1040 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
1041 (PRINT_OPERAND): Likewise.
1042 * config/vax/vax.md (ashlsi3): Likewise.
1043 (ashlsi3): Likewise.
1044 (some more unnamed insns): Likewise.
1046 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
1048 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
1049 iterator-style macro.
1050 (mark_control_dependent_edges_necessary): Update the use of
1051 EXECUTE_IF_CONTROL_DEPENDENT.
1053 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
1055 * config/sh/predicates.md (cache_address_operand): Special.
1056 (ua_address_operand): Likewise.
1058 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
1060 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
1062 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
1064 2006-03-15 Andreas Schwab <schwab@suse.de>
1066 * gensupport.c (identify_predicable_attribute): Don't free p_false
1067 when it is still in use.
1069 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1071 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
1072 the default setting here.
1074 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
1076 * tree-pass.h (pass_cfg): Remove.
1077 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
1078 * passes.c (pass_cfg): Don't run it.
1080 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
1082 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
1083 * reg-stack.c (stack_regs_mentioned_data): Change the type to
1085 (stack_regs_mentioned): Update the uses of
1086 stack_regs_mentioned_data. Don't access the array beyond its
1088 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
1089 Don't include gt-reg-stack.h.
1091 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
1092 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
1094 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
1097 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
1100 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1102 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
1104 2006-03-14 Richard Guenther <rguenther@suse.de>
1106 PR tree-optimization/26672
1107 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
1110 2006-03-14 Richard Guenther <rguenther@suse.de>
1112 PR tree-optimization/26667
1113 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
1114 node for the callees. Always allow inlining if it will shrink
1117 2006-03-14 Richard Guenther <rguenther@suse.de>
1120 * builtins.c (get_pointer_alignment): Prefer alignment
1121 information from decls over that from types.
1123 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
1126 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
1128 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
1130 * config/rs6000/rs6000.opt (mdlmzb): New option.
1131 (msched-prolog, msched-epilog): Use Var not Mask.
1132 * doc/invoke.texi (-mdlmzb): Document.
1133 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
1135 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
1136 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
1138 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
1140 PR rtl-optimization/25739
1141 * bt-load.c (augment_live_range): Free tos pointer.
1143 * gensupport.c (identify_predicable_attribute): Free
1145 * gcov.c (create_file_names): Free name pointer.
1147 2006-03-13 Roger Sayle <roger@eyesopen.com>
1150 * stmt.c (emit_case_nodes): Handle the case where the index is a
1151 CONST_INT, where the comparison mode is specified by the index type.
1153 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1155 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
1158 2006-03-13 Richard Sandiford <richard@codesourcery.com>
1160 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
1161 (*branch_fp_inverted): Likewise.
1163 2006-03-13 Jakub Jelinek <jakub@redhat.com>
1166 * omp-low.c (expand_omp_for_generic): Mark istart0
1167 and iend0 as addressable.
1169 2006-03-13 Jie Zhang <jie.zhang@analog.com>
1171 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
1173 2006-03-13 Jeff Law <law@redhat.com>
1175 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
1176 virtual operands are interesting.
1177 (vrp_visit_stmt): Corresponding changes.
1179 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
1181 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
1183 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
1184 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
1185 * config/bfin/crti.S: Use it instead of __PIC__.
1186 * config/bfin/crtn.S: Likewise.
1188 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
1189 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
1191 Lose 'G' modifier for call operand.
1192 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
1193 recognize 'G' modifier.
1195 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
1198 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
1199 * stmt.c (expand_case): Likewise.
1201 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1203 PR rtl-optimization/26254
1204 * loop-invariant.c (seq_insns_valid_p): New function.
1205 (move_invariant_reg): Only emit new code if it is valid.
1207 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1209 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
1211 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
1212 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
1213 (commit_one_edge_insertion): Do not look for loop notes.
1215 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1217 * jump.c (follow_jumps): Do not check for loop notes. Move check for
1218 flag_test_coverage out of loop.
1220 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1222 * final.c (shorten_branches): Remove outdated comment, and turn
1223 the if branch that guards it to continue.
1225 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1227 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
1228 * cfgloop.h (struct loop): Remove unused fields.
1230 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
1232 * doc/invoke.texi (-fdump-rtl-loop): Remove.
1233 (-dL, -fdump-rtl-loop2): Update the dump file names
1235 * doc/invoke.texi: Update dump file names.
1237 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
1239 * predict.c (estimate_probability): Remove.
1240 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
1241 * basic-block.h (estimate_probability): Remove prototype.
1242 * passes.c (finish_optimization_passes): Dump branch prediction or
1243 profiling heuristics to the .profile tree dump.
1244 (init_optimization_passes): Unqueue pass_branch_prob.
1246 * doc/invoke.texi (-fdump-rtl-bp): Remove.
1248 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
1250 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
1251 * rtl.h (LABEL_NEXTREF): Remove field accessor.
1253 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
1255 * function.h (frame_offset_overflow): Declare.
1256 * function.c (frame_offset_overflow): New function.
1257 (assign_stack_local_1): Call it to detect that the offset overflows.
1258 * cfgexpand.c (alloc_stack_frame_space): Likewise.
1260 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
1262 * config/sh/sh.c: Include alloc-pool.h.
1263 (label_ref_list_pool): New alloc pool.
1264 (label_ref_list_t): New type for lists of labels.
1265 (struct pool_node): Make wend a label_ref_list_t.
1266 (add_constant): Use the new type, eradicate LABEL_NEXTREF
1268 (dump_table): Likewise.
1269 (sh_reorg): Set up the alloc pool before using add_constant and
1270 dump_table, and destroy it when finishing.
1272 2006-03-11 Richard Sandiford <richard@codesourcery.com>
1274 * config/mips/mips.c: Remove redundant comment.
1276 2006-03-10 Jason Merrill <jason@redhat.com>
1279 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
1280 the target was declared 'register'.
1282 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
1284 * genpreds.c (write_insn_constraint_len): Change definition of
1285 insn_constraint_len to return size_t to match the declaration.
1287 2006-03-10 DJ Delorie <dj@redhat.com>
1289 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
1291 (m32c_expand_insv): Fix test for an AND mask.
1293 2006-03-10 Richard Guenther <rguenther@suse.de>
1296 * builtins.c (get_pointer_alignment): Handle component
1297 references for field alignment.
1299 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
1301 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
1302 when building with libgloss.
1303 (sh*elf): Implement --without-fp option.
1304 (sh64-superh-linux*): Don't multilib.
1306 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
1308 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
1310 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
1312 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
1313 Set it when one of the replacement functions returned true.
1314 Return TODO_cleanup_cfg if cfgchanged is true.
1315 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
1317 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
1319 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
1320 instead of gen_lowpart.
1322 2006-03-09 Richard Sandiford <richard@codesourcery.com>
1324 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
1326 (mips_output_order_conditional_branch): Declare.
1327 * config/mips/mips.h (MIPS_BRANCH): New macro.
1328 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
1329 for the comparison. Use gen_condjump.
1330 (mips_output_conditional_branch): Rework interface to take the
1331 asm templates for a direct branch and the inverse of a direct branch.
1332 (mips_output_order_conditional_branch): New function.
1333 (mips_builtin_branch_and_move): New function.
1334 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
1335 branch condition. Use gen_single_cc as the condition for
1336 __builtin_mips_upper_* or __builtin_mips_lower_*.
1337 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
1338 Use VOIDmode for the branch condition.
1339 * config/mips/predicates.md (order_operator): New predicate.
1340 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
1341 (branch_fp): Rename to...
1342 (*branch_fp): ...this. Remove mode from comparison operator.
1343 Use new mips_output_conditional_branch interface.
1344 (branch_fp_inverted): Rename to...
1345 (*branch_fp_inverted): ...this and update as for *branch_fp.
1346 (*branch_zero<mode>): Rename to...
1347 (*branch_order<mode>): ...this. Remove mode from comparison operator.
1348 Use mips_output_order_conditional_branch. Only accept ordered
1350 (*branch_zero<mode>_inverted): Rename to...
1351 (*branch_order<mode>_inverted): ...this and update as for
1352 *branch_order<mode>.
1353 (*branch_equality<mode>): Accept zero as the second operand to
1354 the equality operator. Use the new mips_output_conditional_branch
1356 (*branch_equality<mode>_inverted): Likewise.
1357 (condjump): New expander.
1358 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
1360 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
1361 (bc1any2t, bc1any2f): Likewise.
1362 (single_cc): New expander.
1363 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
1365 2006-03-09 Richard Sandiford <richard@codesourcery.com>
1367 * doc/md.texi: Update documentation of MIPS constraints.
1368 * config/mips/constraints.md: New file.
1369 * config/mips/mips.md: Include it.
1370 * config/mips/mips.c (mips_char_to_class): Delete.
1371 (override_options): Don't initialize mips_char_to_class.
1372 * config/mips/mips.h (mips_char_to_class): Delete.
1373 (REG_CLASS_FROM_LETTER): Delete.
1374 (CONST_OK_FOR_LETTER_P): Delete.
1375 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1376 (EXTRA_CONSTRAINT_Y): Delete.
1377 (EXTRA_CONSTRAINT_STR): Delete.
1378 (CONSTRAINT_LEN): Delete.
1379 (EXTRA_MEMORY_CONSTRAINT): Delete.
1381 2006-03-09 Diego Novillo <dnovillo@redhat.com>
1383 * tree-cfg.c (move_block_to_fn): Remove the statements from the
1384 original fn's eh regions.
1386 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
1388 * fold-const.c (build_range_check): Make sure to use a valid type to
1389 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
1392 (range_predecessor): New static function.
1393 (range_successor): Likewise.
1394 (merge_ranges): Use them to compute predecessors and successors of
1397 2006-03-09 Roger Sayle <roger@eyesopen.com>
1400 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
1401 X op C3, consider whether C3 overflows towards +Inf or -Inf.
1403 2006-03-08 DJ Delorie <dj@redhat.com>
1405 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
1406 (addpsi3): Expand to include memory operands. Remove
1407 reload-specific splits.
1408 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
1409 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
1410 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
1411 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
1412 (shift1_qi, shift1_hi, insv): New.
1413 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
1414 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
1415 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
1417 * config/m32c/m32c-protos.h: Update as needed.
1418 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
1419 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
1420 Fail for unrecognized R* constraints.
1421 (m32c_cannot_change_mode_class): Be more picky about pseudos.
1422 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
1423 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
1425 (m32c_init_libfuncs): New.
1426 (m32c_legitimate_address_p): Add debug wrapper.
1427 (m32c_rtx_costs): New.
1428 (m32c_address_cost): New.
1429 (conversions): Add 'B' prefix.
1430 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
1431 operands, or word regnames for QI operands. 'B' prints bit
1433 (m32c_expand_setmemhi): New.
1434 (m32c_expand_movmemhi): New.
1435 (m32c_expand_movstr): New.
1436 (m32c_expand_cmpstr): New.
1437 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
1438 (m32c_expand_neg_mulpsi3): Handle non-ints.
1439 (m32c_cmp_flg_0): New.
1440 (m32c_expand_movcc): New.
1441 (m32c_expand_insv): New.
1442 (m32c_scc_pattern): New.
1443 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
1444 a0/a1 out of SIregs.
1445 (STORE_FLAG_VALUE): New.
1446 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
1449 * config/m32c/mov.md: Make constraints more liberal.
1450 (zero_extendqihi2): Optimize r0/r1 case.
1451 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
1452 * config/m32c/predicates.md (m32c_any_operand): New.
1453 (m32c_nonimmediate_operand): New.
1454 (m32c_hl_operand): New.
1455 (m32c_r3_operand): New.
1458 (memsym_operand): New.
1459 (memimmed_operand): New.
1460 (a_qi_operand): New.
1461 (m32c_eqne_operator): New.
1462 (m32c_1bit8_operand): New.
1463 (m32c_1bit16_operand): New.
1464 (m32c_1mask8_operand): New.
1465 (m32c_1mask16_operand): New.
1466 * config/m32c/blkmov.md: New file.
1467 * config/m32c/t-m32c (MD_FILES): Add blkmov.
1469 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
1471 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
1472 unsigned to fix signed/unsigned comparison issue in
1473 DWARF2_FRAME_REG_OUT.
1474 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
1475 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
1477 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
1478 of ptr into the ENABLE_CHECKING section.
1480 2006-03-08 Jeff Law <law@redhat.com>
1482 * tree-vrp.c (infer_value_range): Only count pointer uses
1483 and dereferences if -fdelete-null-pointer-checks is enabled.
1485 * tree-vrp.c (find_assert_locations): Infer value ranges for
1486 single use pointers, but do not create ASSERT_EXPRs for them.
1487 When a non-null range is inferred for a pointer, backwards
1488 propagate that range to other equivalent pointers through the
1491 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
1494 * Makefile.in (dvi, html, install-info): Invoke the corresponding
1495 language hook targets.
1496 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
1497 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
1498 if language hook targets were missing.
1500 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
1502 * tree-ssa-opfinalize.h: Removed.
1503 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
1505 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
1506 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
1507 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
1508 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
1509 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
1510 finalize_ssa_v_must_def_ops): New.
1512 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
1514 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
1517 2006-03-07 Geoffrey Keating <geoffk@apple.com>
1519 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
1521 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
1522 addresses with offsets; reorganize.
1524 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
1525 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
1526 (expand_builtin_init_dwarf_reg_sizes): Likewise.
1528 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
1531 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
1533 2006-03-08 Ben Elliston <bje@au.ibm.com>
1535 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
1537 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
1540 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
1543 2006-03-07 Richard Guenther <rguenther@suse.de>
1545 PR tree-optimization/26587
1546 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
1548 2006-03-07 Richard Sandiford <richard@codesourcery.com>
1550 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
1552 2006-03-07 Richard Sandiford <richard@codesourcery.com>
1554 * hooks.c (hook_bool_mode_rtx_true): New function.
1555 * hooks.h (hook_bool_mode_rtx_true): Declare.
1556 * toplev.c (compile_file): Call output_shared_constant_pool.
1557 * varasm.c (shared_constant_pool): New variable.
1558 (assemble_start_function, assemble_end_function): Remove arguments
1559 from call to output_constant_pool.
1560 (create_constant_pool): New function, split out from...
1561 (init_varasm_status): ...here.
1562 (force_const_mem): Choose between the shared and per-function constant
1563 pools. Set current_function_uses_const_pool when reusing old entries
1564 as well as when creating new ones.
1565 (mark_constant): Ignore data argument.
1566 (mark_constants): Remove pool argument.
1567 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
1568 to decide whether the function uses a constant pool.
1569 (output_constant_pool_contents): New function, split out from...
1570 (output_constant_pool): ...here.
1571 (output_shared_constant_pool): New function.
1572 (init_varasm_once): Initialize shared_constant_pool.
1573 * output.h (output_constant_pool): Delete.
1574 (output_shared_constant_pool): Declare.
1575 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
1576 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
1578 2006-03-06 Nick Clifton <nickc@redhat.com>
1580 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
1581 flag_strength_reduce.
1583 2006-03-06 Ben Elliston <bje@au.ibm.com>
1585 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
1586 x86_64-*-linux* configurations.
1588 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
1589 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
1591 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
1593 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
1595 * basic-block.h: Remove the extern for
1596 rediscover_loops_after_threading.
1598 * cfgloop.c (cancel_loop): Make it static.
1599 * cfgloop.h: Remove the prototype for cancel_loop.
1601 * flow.c (recompute_reg_usage): Make it static.
1602 * rtl.h: Remove the prototype for recompute_reg_usage.
1604 * function.c (use_return_register): Make it static.
1605 * function.h: Remove the prototype.
1607 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
1609 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
1611 * recog.h: Remove the prototype for
1612 validate_change_maybe_volatile.
1614 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
1616 * rtlanal.c (replace_reg): Remove.
1617 * rtl.h: Remove the prototype for replace_reg.
1619 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
1621 * regclass.c (reg_scan_update): Remove.
1622 (reg_scan_mark_refs): Remove the last argument.
1623 * rtl.h: Remove the prototype for reg_scan_update.
1625 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1627 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
1628 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
1629 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
1630 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
1631 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
1632 loop-invariant.c, omp-low.c, opts.c, passes.c,
1633 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
1634 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
1635 tree-ssa-structalias.c, tree-ssa-threadedge.c,
1636 tree-ssa-threadupdate.c, tree-vect-patterns.c,
1637 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
1638 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
1640 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1642 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
1643 * dwarf2out.h: Remove the prototype for
1644 dwarf2out_add_library_unit_info.
1646 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1648 * tree.c (add_var_to_bind_expr): Remove.
1649 * tree.h: Remove the prototype for add_var_to_bind_expr.
1651 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1653 * regclass.c (n_non_fixed_regs): Remove.
1654 (init_reg_sets_1, globalize_reg): Remove all uses of
1656 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
1658 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1660 * rtlanal.c (insns_safe_to_move_p): Remove.
1661 * rtl.h: Remove the prototype for insns_safe_to_move_p.
1663 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1665 * expmed.c (expand_mult_add): Remove.
1666 * expr.h: Remove the prototype for expand_mult_add.
1668 2006-03-04 Jakub Jelinek <jakub@redhat.com>
1670 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
1671 and REG_SAVED_VAL_EXP constants.
1672 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
1673 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
1674 Handle regs stored by value.
1675 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
1676 (execute_cfa_program): Handle DW_CFA_val_offset,
1677 DW_CFA_val_offset_sf and DW_CFA_val_expression.
1678 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
1679 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
1680 (uw_install_context_1): Handle target regs stored by value.
1682 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
1684 * tree-sra.c (tree_sra): Return todoflags;
1685 (generate_one_element): Set TODO_update_smt_usage if needed.
1686 (pass_sra): Remove TODO_update_smt_usage.
1687 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
1689 (tree_ssa_forward_propagate_single_use_vars): Return
1690 TODO_update_smt_usage if we need to update SMT usage.
1691 (pass_forwprop): Remove TODO_update_smt_usage.
1693 2006-03-03 Diego Novillo <dnovillo@redhat.com>
1695 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
1696 (correct_use_link): Remove reference to get_stmt_operands.
1697 (update_stmt_operands): Likewise.
1698 (get_modify_expr_operands): New function factored out of
1699 parse_ssa_operands and get_expr_operands.
1700 Try to create V_MUST_DEFs for LHS by default.
1701 (get_expr_operands) <case MODIFY_EXPR>: Call
1702 get_modify_expr_operands.
1703 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
1704 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
1705 (parse_ssa_operands) <case MODIFY_EXPR>: Call
1706 get_modify_expr_operands.
1708 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
1710 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
1711 * tree-flow.h: Remove the prototype for
1712 referenced_var_lookup_if_exists.
1714 2006-03-03 Steve Ellcey <sje@cup.hp.com>
1716 PR rtl-optimization/26345
1718 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
1720 2006-03-03 Roger Sayle <roger@eyesopen.com>
1722 PR tree-optimization/26524
1723 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
1724 fold_convert to create a constant of the appropriate type.
1726 2006-03-03 Richard Sandiford <richard@codesourcery.com>
1728 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1729 SYMBOL_REF_IN_BLOCK_P.
1730 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
1731 of SYMBOL_FLAG_IN_BLOCK.
1732 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
1733 instead of SYMBOL_REF_IN_BLOCK_P.
1734 * explow.c (use_anchored_address): Likewise.
1735 * rtl.c (rtx_size): Likewise.
1736 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
1737 instead of SYMBOL_FLAG_IN_BLOCK.
1738 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1739 SYMBOL_REF_IN_BLOCK_P.
1740 (assemble_variable): Likewise.
1741 (output_constant_def_contents): Likewise.
1742 (output_constant_pool): Likewise.
1743 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
1744 instead of SYMBOL_FLAG_IN_BLOCK.
1745 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1746 SYMBOL_REF_IN_BLOCK_P.
1747 (SYMBOL_REF_BLOCK): Likewise.
1748 (SYMBOL_REF_OFFSET): Likewise.
1749 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1750 SYMBOL_REF_IN_BLOCK_P.
1751 (SYMBOL_FLAG_IN_BLOCK): Replace with...
1752 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
1753 (SYMBOL_REF_IN_BLOCK_P): Replace with...
1754 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
1756 2006-03-03 Jakub Jelinek <jakub@redhat.com>
1758 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
1760 2006-03-02 Roger Sayle <roger@eyesopen.com>
1762 * simplify-rtx.c (simplify_unary_operation): When simplifying
1763 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
1764 that we perform the right shift in the appropriate mode, and
1765 then extend or truncate the result to requested mode.
1767 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
1769 * gengtype.c (main): Handle double_int type.
1770 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
1771 * double-int.c: New file.
1772 * double-int.h: New file.
1773 * system.h: Include doubleint.h.
1774 * Makefile.in (SYSTEM_H): Include double-int.h.
1775 (double-int.o): Add.
1777 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
1780 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
1783 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
1785 * tree-vrp.c (remove_range_assertions): Do not update statements
1788 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
1790 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
1792 * gcse.c (rest_of_handle_gcse): Ditto.
1793 * except.c (gate_handle_eh): Ditto.
1794 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
1795 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
1797 2006-03-02 Eric Christopher <echristo@apple.com>
1799 * config/i386/i386.c (machopic_output_stub): Add indirection to
1802 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
1806 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
1808 Sun Niagara specific optimizations.
1809 * config.gcc: Recognize niagara as target.
1810 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
1811 (TARGET_CPU_niagara): Define.
1812 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
1813 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
1814 (CPP_CPU_SPEC): Handle -mcpu=niagara.
1815 (ASM_CPU_SPEC): Likewise.
1816 (PROCESSOR_NIAGARA): New enum entry.
1817 (REGISTER_MOVE_COST): Handle Niagara.
1818 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
1819 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
1820 (sparc_override_options): Recognize "niagara", set appropriate
1821 default MASK_* values for it, and align functions to 32-bytes
1822 by default just like ULTRASPARC/ULTRASPARC3.
1823 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
1824 (sparc64_initialize_trampoline): Likewise.
1825 (sparc_use_sched_lookahead): Use zero for niagara.
1826 (sparc_issue_rate): Use one for niagara.
1827 * config/sparc/niagara.md: New file.
1828 * config/sparc/sparc.md: Include it.
1829 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
1830 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
1831 when default cpu is niagara.
1832 (CPP_CPU_SPEC): Handle -mcpu=niagara.
1833 (ASM_CPU_SPEC): Likewise.
1834 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
1835 when default cpu is niagara.
1836 (ASM_CPU_SPEC): Handle -mcpu=niagara.
1837 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
1838 just like v9/ultrasparc/ultrasparc3.
1839 * doc/invoke.texi: Add documentation for "niagara" and improve
1840 existing documentation for ultrasparc variants.
1842 2006-03-02 Diego Novillo <dnovillo@redhat.com>
1844 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
1846 2006-03-02 Richard Sandiford <richard@codesourcery.com>
1848 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
1849 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
1850 and say that only one is needed.
1851 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
1852 * target.h (have_switchable_bss_sections): New hook.
1853 * explow.c (use_anchored_address): Check that the symbol is in a block.
1854 * varasm.c (tls_comm_section, comm_section, lcomm_section)
1855 (bss_noswitch_section): New variables.
1856 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
1857 (get_noswitch_section): New function.
1858 (get_block_for_section): Allow SECT to be null.
1859 (unlikely_text_section_p): Use SECTION_STYLE.
1860 (bss_initializer_p): New function.
1861 (get_variable_section): Move earlier in file. Take a new argument,
1862 prefer_noswitch_p. Move bss checks from assemble_variable to here.
1863 Return one of the new *_sections in such cases.
1864 (get_block_for_decl): New function, extracting some logic from
1865 use_blocks_for_decl_p.
1866 (change_symbol_section): Remove in favor of...
1867 (change_symbol_block): ...this new function.
1868 (use_blocks_for_decl_p): Remove checks now performed by
1870 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
1871 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
1872 (emit_local, emit_bss, emit_common): ...these new functions.
1873 Return true if the alignment was honored.
1874 (emit_tls_common): New function.
1875 (asm_emit_uninitialised): Delete.
1876 (assemble_variable_noswitch): New function, split out from...
1877 (assemble_variable): ...here. Don't make decisions about common
1878 variables here. Globalize all public decls that go into non-common
1879 sections. Check whether SYMBOL_REF_BLOCK is null.
1880 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
1881 (output_constant_pool): Likewise.
1882 (init_varasm_once): Initialize the new section variables.
1883 (have_global_bss_p): New function.
1884 (categorize_decl_for_section): Use bss_initializer_p.
1885 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
1886 (place_block_symbol): Assert that the symbol must be in a block.
1887 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
1888 (TARGET_INITIALIZER): Include it.
1889 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
1890 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
1891 (SECTION_MACH_DEP): Bump by two.
1892 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
1893 (unnamed_section): Mention SECTION_UNNAMED in comment.
1894 (named_section): Likewise SECTION_NAMED.
1895 (noswitch_section_callback): New type.
1896 (noswitch_section): New structure.
1897 (section): Add a noswitch_section alternative.
1898 (SECTION_STYLE): New macro.
1899 (tls_comm_section, comm_section, lcomm_section): Declare.
1900 (bss_noswitch_section, have_global_bss_p): Declare.
1901 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
1902 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
1904 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
1905 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
1908 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
1910 * gcc/tree-vrp.c (execute_vrp): Return value.
1911 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
1912 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
1913 * gcc/tree-complex.c (tree_lower_complex): Ditto.
1914 (tree_lower_complex_O0): Ditto.
1915 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
1916 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
1917 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
1918 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
1919 (execute_tail_calls): Ditto.
1920 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1921 * gcc/tree.h (init_function_for_compilation): Ditto.
1922 * gcc/ipa-cp.c (ipcp_driver): Ditto.
1923 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
1924 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
1925 * gcc/final.c (compute_alignments): Ditto.
1926 (rest_of_handle_final): Ditto.
1927 (rest_of_handle_shorten_branches): Ditto.
1928 (rest_of_clean_state): Ditto.
1929 * gcc/omp-low.c (execute_expand_omp): Ditto.
1930 (execute_lower_omp): Ditto.
1931 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
1932 * gcc/ipa-reference.c (static_execute): Ditto.
1933 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
1934 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
1935 (rest_of_handle_machine_reorg): Ditto.
1936 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
1937 * gcc/flow.c (recompute_reg_usage): Ditto.
1938 (rest_of_handle_remove_death_notes): Ditto.
1939 (rest_of_handle_life): Ditto.
1940 (rest_of_handle_flow2): Ditto.
1941 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
1942 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
1943 (do_ssa_store_ccp): Ditto.
1944 (execute_fold_all_builtins): Ditto.
1945 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
1946 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
1947 * gcc/ipa-pure-const.c (static_execute): Ditto.
1948 * gcc/cse.c (rest_of_handle_cse): Ditto.
1949 (rest_of_handle_cse2): Ditto.
1950 * gcc/web.c (rest_of_handle_web): Ditto.
1951 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
1952 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
1953 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
1954 * gcc/tree-nrv.c (tree_nrv): Ditto.
1955 (execute_return_slot_opt): Ditto.
1956 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
1957 (create_structure_vars): Ditto.
1958 * gcc/loop-init.c (rtl_loop_init): Ditto.
1959 (rtl_loop_done): Ditto.
1960 (rtl_move_loop_invariants): Ditto.
1961 (rtl_unswitch): Ditto.
1962 (rtl_unroll_and_peel_loops): Ditto.
1963 (rtl_doloop): Ditto.
1964 * gcc/gimple-low.c (lower_function_body): Ditto.
1965 (mark_used_blocks): Ditto.
1966 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
1967 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
1968 (cgraph_early_inlining): Ditto.
1969 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
1970 * gcc/jump.c (cleanup_barriers): Ditto.
1971 (purge_line_number_notes): Ditto.
1972 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
1973 (rest_of_handle_if_after_reload): Ditto.
1974 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
1975 (tree_ssa_loop_im): Ditto.
1976 (tree_ssa_loop_unswitch): Ditto.
1977 (tree_vectorize): Ditto.
1978 (tree_linear_transform): Ditto.
1979 (tree_ssa_loop_ivcanon): Ditto.
1980 (tree_ssa_empty_loop): Ditto.
1981 (tree_ssa_loop_bounds): Ditto.
1982 (tree_complete_unroll): Ditto.
1983 (tree_ssa_loop_prefetch): Ditto.
1984 (tree_ssa_loop_ivopts): Ditto.
1985 (tree_ssa_loop_done): Ditto.
1986 * gcc/predict.c (tree_estimate_probability): Ditto.
1987 * gcc/recog.c (split_all_insns_noflow): Ditto.
1988 (rest_of_handle_peephole2): Ditto.
1989 (rest_of_handle_split_all_insns): Ditto.
1990 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
1991 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
1992 (rest_of_handle_stack_adjustments): Ditto.
1993 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
1994 * gcc/function.c (instantiate_virtual_regs): Ditto.
1995 (init_function_for_compilation): Ditto.
1996 (rest_of_handle_check_leaf_regs): Ditto.
1997 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
1998 (rest_of_handle_gcse): Ditto.
1999 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
2000 * gcc/alias.c (rest_of_handle_cfg): Ditto.
2001 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
2002 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
2003 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
2004 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
2005 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
2006 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
2007 * gcc/except.c (set_nothrow_function_flags): Ditto.
2008 (convert_to_eh_region_ranges): Ditto.
2009 (rest_of_handle_eh): Ditto.
2010 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
2011 (remove_unnecessary_notes): Ditto.
2012 * gcc/except.h (set_nothrow_function_flags): Ditto.
2013 (convert_to_eh_region_ranges): Ditto.
2014 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
2015 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
2016 * gcc/tree-ssa-pre.c (do_pre): Ditto.
2017 (execute_fre): Ditto.
2018 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
2019 (rest_of_handle_jump2): Ditto.
2020 * gcc/tree-sra.c (tree_sra): Ditto.
2021 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
2022 (execute_mudflap_function_decls): Ditto.
2023 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
2024 (do_store_copy_prop): Ditto.
2025 * gcc/ipa-prop.h (ipcp_driver): Ditto.
2026 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
2027 * gcc/tree-ssa-forwprop.c
2028 (tree_ssa_forward_propagate_single_use_vars): Ditto.
2029 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
2030 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
2031 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
2032 (execute_late_warn_uninitialized): Ditto.
2033 * gcc/rtl.h (cleanup_barriers): Ditto.
2034 (split_all_insns_noflow): Ditto.
2035 (purge_line_number_notes): Ditto.
2036 (unshare_all_rtl): Ditto.
2037 (remove_unnecessary_notes): Ditto.
2038 (recompute_reg_usage): Ditto.
2039 (variable_tracking_main): Ditto.
2040 * gcc/integrate.c (emit_initial_value_sets): Ditto.
2041 * gcc/integrate.h (emit_initial_value_sets): Ditto.
2042 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
2043 (execute_free_cfg_annotations): Ditto.
2044 (execute_fixup_cfg): Ditto.
2045 (execute_cleanup_cfg_pre_ipa): Ditto.
2046 (execute_cleanup_cfg_post_optimizing): Ditto.
2047 (execute_init_datastructures): Ditto.
2048 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
2049 * gcc/combine.c (rest_of_handle_combine): Ditto.
2050 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
2051 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
2052 (rest_of_handle_reorder_blocks): Ditto.
2053 (rest_of_handle_partition_blocks): Ditto.
2054 * gcc/var-tracking.c (variable_tracking_main): Ditto.
2055 * gcc/tree-profile.c (tree_profiling): Ditto.
2056 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
2057 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
2058 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
2059 (rest_of_handle_sched2): Ditto.
2060 * gcc/basic-block.h (free_bb_insn): Ditto.
2061 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
2062 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
2063 (remove_useless_stmts): Ditto.
2064 (split_critical_edges): Ditto.
2065 (execute_warn_function_return): Ditto.
2066 (execute_warn_function_noreturn): Ditto.
2067 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
2068 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
2069 * gcc/passes.c (execute_one_pass): Run additional
2070 todos returned by execute function.
2071 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
2074 2006-03-02 Richard Guenther <rguenther@suse.de>
2076 * tree-ssa-alias.c (find_used_portions): Consider taking
2077 the address as making the variable not write-only.
2079 2006-03-02 Nick Clifton <nickc@redhat.com>
2081 * config.gcc (default_use_cxa_atexit): Extend the description of
2082 this configure variable. Set its default value to "yes" for
2083 Linux, NetBSD and ELF targets on the assumption that they will
2084 use C libraries with the __cxa_atexit function.
2086 2006-03-02 Ben Elliston <bje@au.ibm.com>
2088 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
2089 parameter as unused to suppress a build warning.
2091 2006-03-02 Ben Elliston <bje@au.ibm.com>
2093 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
2096 2006-03-01 Roger Sayle <roger@eyesopen.com>
2099 * gthr-posix.h (__gthrw2): Define to take three parameters, the
2100 declared name, the weak reference name, and the typeof name.
2101 (__gthrw): Avoid expanding the declared name suffix.
2102 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
2104 2006-03-01 Jakub Jelinek <jakub@redhat.com>
2106 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
2108 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
2109 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
2110 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
2111 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
2112 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
2113 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
2114 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
2115 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
2116 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
2117 DW_DS_leading_separate, DW_DS_trailing_separate): New.
2118 (DW_END_default, DW_END_big, DW_END_little): New.
2119 (DW_END_lo_user, DW_END_hi_user): Define.
2120 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
2121 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
2122 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
2125 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2127 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
2129 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
2131 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
2133 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
2135 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
2136 to 'symbol_mem_tag'.
2138 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
2141 2006-03-01 Roger Sayle <roger@eyesopen.com>
2143 * builtins.c (fold_builtin_copysign): Delete unreachable code.
2145 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2148 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
2149 MACHO_DYNAMIC_NO_PIC_P.
2150 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
2152 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2155 * config/darwin-protos.h (darwin_asm_output_anchor):
2157 * config/darwin-sections.def (cstring_section):
2158 Add SECTION_MERGE to the flags.
2159 (literal4_section): Likewise.
2160 (literal8_section): Likewise.
2161 (objc_selector_refs_section): Likewise.
2162 (objc_cls_refs_section): Likewise.
2163 * config/darwin.c (darwin_asm_output_anchor): New
2165 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
2167 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
2169 Fix PR tree-optimization/26443
2170 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
2171 to todo and PROP_tmt_usage to properties_destroyed.
2172 * tree-ssa-ccp.c (pass_ccp): Ditto.
2173 (pass_store_ccp): Ditto.
2174 * tree-ssa-dom.c (pass_dominator): Ditto.
2176 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2178 * tree-ssa-operands.c: Cleanup whitespace.
2179 (get_asm_expr_operands): Move before first invocation.
2180 (get_indirect_ref_operands): Likewise.
2181 (get_tmr_operands): Likewise.
2182 (get_call_expr_operands): Likewise.
2183 (append_def): Likewise.
2184 (append_use): Likewise.
2185 (append_v_may_def): Likewise.
2186 (append_v_must_def): Likewise.
2187 (add_call_clobber_ops): Likewise.
2188 (add_call_read_ops): Likewise.
2189 (add_stmt_operand): Likewise.
2190 (add_virtual_operand): Likewise.
2191 (build_ssa_operands): Likewise.
2193 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2198 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
2199 with a call expr to ...
2200 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
2202 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2204 * tree-vrp.c (extract_range_from_assert): Remove special
2205 handling for types with super-types.
2207 2006-03-01 Ben Elliston <bje@au.ibm.com>
2209 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
2210 and powerpc64-*-linux* configurations.
2211 * config/t-dfprules: New file.
2213 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
2214 Compile dfp-bit.c from the source directory using -DWIDTH and
2215 $DFP_CFLAGS to control the compilation of that file, rather than
2216 generating width-specific versions in the build directory.
2217 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
2218 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
2220 2006-02-28 Zack Weinberg <zackw@panix.com>
2222 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
2225 2006-02-28 Eric Christopher <echristo@apple.com>
2227 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
2228 Set up IN_LIBGCC definition of TARGET_64BIT.
2229 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
2231 2006-02-28 Roger Sayle <roger@eyesopen.com>
2234 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
2235 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
2236 cases via the construction of "expr != 0".
2238 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
2240 * alias.c (alias_invariant, alias_invariant_size): Remove.
2241 (record_base_value): Remove.
2242 (memrefs_conflict_p): Don't look at alias_invariant.
2243 (end_alias_analysis): Don't free it.
2244 * alias.h (record_base_value): Remove prototype.
2246 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
2247 Adam Nemet <anemet@caviumnetworks.com>
2249 * rtl.h (truncated_to_mode): Declare it.
2250 (struct rtl_hooks): Add reg_truncated_to_mode hook.
2251 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
2252 (RTL_HOOKS_INITIALIZER): Include it.
2253 * rtlhooks.c (reg_truncated_to_mode_general): New function.
2254 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
2255 reg_truncated_to_mode.
2256 * rtlanal.c (truncated_to_mode): Define it.
2257 * simplify-rtx.c (simplify_unary_operation_1): Use it.
2259 2006-02-28 Jeff Law <law@redhat.com>
2261 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
2262 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
2263 the range allowed by TYPE_PRECISION.
2265 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
2267 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
2269 PR tree-optimization/26419
2270 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
2273 2006-02-27 Zack Weinberg <zackw@panix.com>
2275 * doc/md.texi: Fix typo in previous change.
2277 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
2281 2006-02-27 Zack Weinberg <zackw@panix.com>
2283 * rtl.def (define_constraint, define_register_constraint)
2284 (define_memory_constraint, define_address_constraint): New MD forms.
2285 * gensupport.c (process_rtx): Put define_constraint etc on the
2287 * genpreds.c (process_define_predicate): Adjust comment. Validate
2288 the name, and call validate_exp to validate the expression.
2289 (mark_mode_tests, write_extract_subexp): Can assume correct input.
2290 (write_predicate_expr): Likewise. NAME argument no longer necessary;
2291 all callers changed.
2292 (validate_exp, needs_variable, struct constraint_data)
2293 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
2294 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
2295 (const_dbl_constraints, constraint_max_namelen)
2296 (have_register_constraints, have_memory_constraints)
2297 (have_address_constraints, have_address_constraints)
2298 (have_extra_constraints, have_const_int_constraints)
2299 (have_const_dbl_constraints, mangle, add_constraint)
2300 (process_define_constraint, process_define_register_constraint)
2301 (write_enum_constraint_num, write_lookup_constraint)
2302 (write_insn_constraint_len, write_regclass_for_constraint)
2303 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
2304 (write_insn_extra_memory_constraint)
2305 (write_insn_extra_address_constraint)
2306 (write_satisfies_constraint_fns): New.
2307 (write_tm_preds_h): If we have new-style constraint definitions,
2308 prototype the functions generated from them, and define the
2309 old constraint interface (still used by generic code) in terms of
2311 (write_insn_preds_c): If we have new-style constraint definitions,
2312 generate all relevant functions from those definitions.
2313 (main): Handle define_constraint etc.
2314 * genoutput.c (struct constraint_data, indep_constraints)
2315 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
2316 (mdep_constraint_len): New data structures and functions, defined
2317 #ifdef USE_MD_CONSTRAINTS.
2318 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
2319 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
2320 use new logic to validate operand constraints against constraint
2322 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
2324 * defaults.h: If none of the old-style constraint macros are
2325 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
2326 old-style macros; and poison REG_CLASS_FROM_LETTER,
2327 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
2329 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
2330 * doc/md.texi: Document new constraint-definition mechanism and the
2331 C interface it provides. Remove references to old mechanism
2332 elsewhere in the document.
2333 (Machine Constraints): Use pathnames relative to gcc directory,
2334 i.e. config/ARCH/FILE. Change i386 section to refer to
2335 config/i386/predicates.md; update that section to match docstrings.
2336 * doc/tm.texi: Move all documentation of the old constraint-
2337 definition macros to their own section, clearly mark as obsolete.
2339 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
2340 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
2342 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
2343 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
2344 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
2346 (splits and peepholes): Use satisfies_constraint_*.
2347 * config/i386/i386.c (memory_address_length)
2348 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
2350 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
2352 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
2353 scalar operation to be put back into the loop.
2355 2006-02-27 Jakub Jelinek <jakub@redhat.com>
2358 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
2359 (extract_cie_info): Handle S flag in augmentation string.
2360 (execute_cfa_program): If context->signal_frame, execute also
2361 fs->pc == context->ra instructions.
2362 (uw_frame_state_for): If context->signal_frame, don't subtract one
2363 from context->ra to find FDE.
2364 (uw_update_context_1): Set context->signal_frame to
2366 (_Unwind_GetIPInfo): New function.
2367 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
2368 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
2370 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
2371 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
2372 * unwind-compat.c (_Unwind_GetIPInfo): New function.
2373 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
2374 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
2375 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
2376 * config/i386/linux-unwind.h (x86_fallback_frame_state,
2377 x86_64_fallback_frame_state): Set fs->signal_frame.
2378 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
2379 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
2380 (frob_update_context): Likewise. Workaround missing S flag in
2381 Linux 2.6.12 - 2.6.16 kernel vDSOs.
2382 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
2383 Remove the psw_addr + 1 hack.
2385 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
2387 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
2388 with aggregates here.
2389 (find_func_aliases): Remove code for &<aggregate> from here.
2391 2006-02-26 Roger Sayle <roger@eyesopen.com>
2393 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
2394 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
2395 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
2398 2006-02-26 Roger Sayle <roger@eyesopen.com>
2401 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
2403 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
2405 * opts.c (decode_options): Do not handle flag_strength_reduce.
2406 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
2407 and OPT_fstrength_reduce.
2408 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
2409 flag_prefetch_loop_arrays for being nonzero.
2410 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
2412 (fprefetch-loop-arrays-rtl): Removed.
2413 (flag_prefetch_loop_arrays): Do not specify the value.
2415 * doc/passes.texi: Update documentation of loop optimizer
2417 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
2418 -frerun-loop-opt): Remove.
2420 2006-02-26 Richard Guenther <rguenther@suse.de>
2422 PR tree-optimization/26421
2423 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
2424 in function calls that are ADDR_EXPRs as using the whole structure.
2426 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
2428 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
2429 * tree-pass.h (pass_loop_optimize): Remove.
2430 * passes.c (pass_loop_optimize): Never run it.
2431 * toplev.c (backend_init): Don't call init_loop.
2432 * opts.c (flag_loop_optimize_set): Remove.
2433 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
2434 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
2435 the old RTL loop optimizer when profiling enabled.
2436 * predict.c (tree_estimate_probability): Always strip builtin_expect.
2437 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
2438 pre-headers for the sake of the old RTL loop optimizer.
2439 * Makefile.in: Remove all references to loop.o.
2441 * doc/invoke.texi: Remove all references to -floop-optimize
2442 and -frerun-loop-opt.
2444 2006-02-26 Zack Weinberg <zackw@panix.com>
2446 * doc/md.texi (Machine Constraints): Refer to all files with paths
2447 relative to gcc directory (i.e. config/CPU/file). Add missing
2448 @table @code ... @end table to M32C subsection.
2450 2006-02-26 Roger Sayle <roger@eyesopen.com>
2452 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
2454 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
2456 2006-02-26 Roger Sayle <roger@eyesopen.com>
2457 James A. Morrison <phython@gcc.gnu.org>
2460 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
2461 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
2462 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
2463 signedness of the shift operation.
2465 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
2467 PR tree-optimization/26359
2468 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
2470 2006-02-25 Roger Sayle <roger@eyesopen.com>
2472 * simplify-rtx.c (simplify_relational_operation_1): Simplify
2473 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
2474 as X == 0, and some symmetry related transformations.
2475 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
2477 2006-02-25 Roger Sayle <roger@eyesopen.com>
2480 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
2481 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
2482 symmetry related transformations. Fold (X^C1) == C2 as
2485 2006-02-25 Juergen Weigert <jw@suse.de>
2486 Richard Guenther <rguenther@suse.de>
2488 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
2490 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
2492 * combine.c (gen_lowpart_or_truncate): Call
2493 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
2495 2006-02-24 Diego Novillo <dnovillo@redhat.com>
2497 * doc/invoke.texi: Move -fopenmp description to "Options for
2499 Remove reference to -lgomp.
2501 2006-02-24 David Edelsohn <edelsohn@gnu.org>
2503 * doc/install.texi: Require GNU tar version 1.14.
2505 2006-02-24 Geoffrey Keating <geoffk@apple.com>
2507 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
2508 * doc/invoke.texi (C++ Dialect Options): Document
2509 -fno-use-cxa-get-exception-ptr.
2510 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
2511 * configure: Regenerate.
2512 * c.opt (fuse-cxa-get-exception-ptr): New.
2513 * c-opts.c (c_common_handle_option): Handle
2514 OPT_fuse_cxa_get_exception_ptr.
2515 * c-common.c (flag_use_cxa_atexit): Update documentation.
2516 (flag_use_cxa_get_exception_ptr): New.
2517 * c-common.h (flag_use_cxa_get_exception_ptr): New.
2518 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
2520 (C_COMMON_OVERRIDE_OPTIONS): New.
2522 2006-02-24 Roger Sayle <roger@eyesopen.com>
2525 * combine.c (try_combine): Explicitly check whether GET_CODE is
2526 a SET or a CLOBBER, instead on checking that it isn't a USE.
2528 2006-02-24 Roger Sayle <roger@eyesopen.com>
2530 * fold-const.c (fold_comparison): New subroutine of fold_binary
2531 containing transformations common to both the equality and
2532 ordering relational operators, factored out of fold_binary.
2533 (fold_binary): Separate out the equality operators (EQ_EXPR
2534 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
2535 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
2536 transformations common to both.
2537 (fold_div_compare): Fix latent bugs in the previously unreachable
2538 LT_EXPR and GE_EXPR cases.
2540 2006-02-24 David Edelsohn <edelsohn@gnu.org>
2542 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
2543 decl libname for clog to __clog on AIX.
2545 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
2547 2006-02-24 Alan Modra <amodra@bigpond.net.au>
2550 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
2551 output traceback table for thunks. Localise rs6000_stack_info call.
2553 2006-02-23 Roger Sayle <roger@eyesopen.com>
2554 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2556 * gthr-posix.h (__gthrw): Fix typo in comment.
2558 2006-02-23 Geoffrey Keating <geoffk@apple.com>
2560 * doc/cpp.texi (Character sets): Document that we do support
2561 input files to be in any character set.
2563 2006-02-23 Jeff Law <law@redhat.com>
2565 * tree.h (PHI_ARG_NONZERO): Remove.
2566 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
2567 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
2568 node to the new node.
2570 PR tree-optimization/26425
2571 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
2572 min/max, then assume its varying.
2574 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
2576 PR rtl-optimization/26316
2577 * rtlanal.c (enum may_trap_p_flags): New.
2578 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
2579 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
2580 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
2581 (may_trap_after_code_motion_p): New function.
2582 * loop-invariant.c (find_identical_invariants): Fix dump formating.
2583 (find_invariant_insn): Use may_trap_after_code_motion_p.
2584 * rtl.h (may_trap_after_code_motion_p): Declare.
2586 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
2588 * emit-rtl.c (immed_double_const): Cleanup.
2590 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
2592 Fix PR tree-optimization/26376
2593 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
2596 2006-02-23 Jakub Jelinek <jakub@redhat.com>
2599 * gimplify.c (omp_add_variable): Guard variable size decl test with
2600 DECL_SIZE (decl) check.
2602 2006-02-23 Richard Guenther <rguenther@suse.de>
2605 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
2606 like aggregate types.
2608 2006-02-23 Jakub Jelinek <jakub@redhat.com>
2610 * configure.ac: Add --with{,out}-long-double-128 configure option.
2611 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
2612 * configure: Rebuilt.
2613 * config.in: Rebuilt.
2614 * doc/install.texi (Options specification): Document
2615 --with-long-double-128.
2617 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
2618 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
2619 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
2620 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
2622 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
2624 * config/s390/s390.c (override_options): Handle
2625 TARGET_DEFAULT_LONG_DOUBLE_128.
2627 * config/alpha/alpha.c (override_options): Handle
2628 TARGET_DEFAULT_LONG_DOUBLE_128.
2630 * config/sparc/sparc.c (sparc_override_options): Handle
2631 TARGET_DEFAULT_LONG_DOUBLE_128.
2633 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
2635 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
2636 (real-install-headers-tar, real-install-headers-cpio)
2637 (real-install-headers-cp): New targets.
2639 2006-02-22 Richard Sandiford <richard@codesourcery.com>
2641 * tree.h (variable_section): Delete.
2642 * varasm.c (variable_section): Delete.
2644 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
2646 * install.texi: Add notes on install.texi2html.
2647 (Building in parallel): Do not use footnotes.
2649 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
2652 * doc/install.texi (Configuration): Document --disable-libgomp.
2654 2006-02-21 Geoffrey Keating <geoffk@apple.com>
2656 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
2658 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
2660 * config/i386/sse.md (vec_extractv2df_1_sse): New.
2661 (vec_extractv2df_0_sse): New.
2663 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
2665 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
2666 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
2667 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
2668 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
2669 to the result of the expression.
2670 (def_cfa_1): Adjust.
2671 (frame_pointer_cfa_offset): Rename to...
2672 (frame_pointer_fb_offset): ... this. Adjust all uses.
2673 (convert_cfa_to_loc_list): Rename to...
2674 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
2675 Pass it on to build_cfa_loc.
2676 (compute_frame_pointer_to_cfa_displacement): Rename to...
2677 (compute_frame_pointer_to_fb_displacement): ... this. New
2678 offset parameter. Use it in computation.
2679 (gen_subprogram_die): Compute cfa_fb_offset with the new
2680 macro, and use it to compute the fb loc list and the
2683 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
2685 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
2686 replaced with register_operand.
2687 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
2688 non-DREG is expensive.
2689 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
2690 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
2693 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
2695 * doc/install.texi2html: Use set -e.
2697 2006-02-21 Richard Sandiford <richard@codesourcery.com>
2699 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
2700 (ASM_OUTPUT_SHARED_LOCAL): Delete.
2701 * doc/invoke.texi (-fshared-data): Delete.
2702 * common.opt (fshared-data): Delete.
2703 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
2704 (assemble_static_space): Remove #if 0 code.
2705 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
2706 (ASM_OUTPUT_SHARED_LOCAL): Poison.
2707 * config/cris/cris.h: Remove FIXME.
2709 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
2711 * doc/sourcebuild.texi (Front End Directory): No more double-colon
2714 2006-02-21 Jakub Jelinek <jakub@redhat.com>
2717 * combine.c (simplify_shift_const_1): Disable nested shifts
2718 optimization for vector shifts.
2720 2006-02-20 Roger Sayle <roger@eyesopen.com>
2722 PR tree-optimization/26361
2723 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
2724 of unsigned integer types.
2726 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
2728 * tree-chrec.c (eq_evolutions_p): New.
2729 * tree-chrec.h (eq_evolutions_p): Declared.
2730 * tree-data-ref.c: Fix formatting.
2731 (datadep_stats, dependence_stats): New.
2733 (print_direction_vector): New.
2734 (dump_data_dependence_relation): Use print_direction_vector.
2735 (object_analysis, create_data_ref): Handle COMPONENT_REF.
2736 (compute_subscript_distance): Static.
2737 (initialize_data_dependence_relation): Static. Get the number
2738 of loops surrounding the references from the callers, and initialize
2739 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
2740 base_object_differ_p analyzers.
2741 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
2742 compute_overlap_steps_for_affine_1_2,
2743 analyze_subscript_affine_affine): Count the classified dependences.
2744 Print a message when a test failed.
2745 (can_use_analyze_subscript_affine_affine): New.
2746 (analyze_siv_subscript): Compute the data dependences on symbolic
2747 scevs that verify can_use_analyze_subscript_affine_affine.
2748 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
2749 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
2750 Handle symbolic scevs.
2751 (analyze_overlapping_iterations): Let symbolic affine scevs to be
2753 (subscript_dependence_tester): Moved...
2754 (build_classic_dist_vector, build_classic_dir_vector): Don't use
2755 lambda_vector_clear on newly allocated vectors. Get nb_loops from
2756 DDR_SIZE_VECT instead of getting it in parameter.
2757 (subscript_dependence_tester): ... here. Take as a parameter
2758 loop_nest_depth. Call build_classic_dist_vector and
2759 build_classic_dir_vector.
2760 (compute_affine_dependence): Update subscript_dependence_tester
2761 parameters. Update datadep_stats counters. Call
2762 compute_subscript_distance.
2763 (compute_self_dependence): Save the dist and dir vectors. Call
2764 compute_subscript_distance.
2765 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
2766 (compute_all_dependences): Reorder parameters as they were before
2767 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
2768 compute_subscript_distance. Update the use of
2769 compute_affine_dependence and initialize_data_dependence_relation.
2770 (find_data_references_in_loop): Handle COMPONENT_REF.
2771 (compute_data_dependences_for_loop): Initialize dependence_stats.
2772 Don't call build_classic_dist_vector and build_classic_dir_vector.
2773 Update the parameters of initialize_data_dependence_relation and
2774 compute_all_dependences. Print the statistics from datadep_stats.
2775 (analyze_all_data_dependences): Static. Not used until the pass for
2776 checking the data dependences is contributed.
2777 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
2778 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
2779 (initialize_data_dependence_relation, compute_affine_dependence,
2780 analyze_all_data_dependences, compute_subscript_distance): Removed.
2781 (print_direction_vector): New.
2782 * lambda.h (gcd): ... here.
2783 (lambda_vector_gcd): Moved here from gcd_vector.
2784 * lambda-code.c (gcd, gcd_vector): Removed.
2785 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
2786 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
2788 2006-02-20 Diego Novillo <dnovillo@redhat.com>
2790 * ipa-type-escape.c: Tidy some comments and white space.
2791 * tree-ssa-operands.c: Likewise.
2793 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
2796 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
2797 (dump_decl_name): Do not walk the decl tree chains.
2798 * tree-pass.h (TDF_CHAIN): Remove.
2800 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
2802 * Makefile.in (C): Remove
2804 (.PHONY): Remove C and PROTO
2806 2006-02-20 Roger Sayle <roger@eyesopen.com>
2809 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
2810 deprecated CHAR_TYPE tree code.
2812 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
2814 * configure.ac (target_list): Add install-info, dvi, html.
2815 * configure: Regenerate.
2817 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
2818 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
2819 treelang/Make-lang.in: Do not use double-colon rules.
2821 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
2823 * tree.h (struct tree_memory_tag): Add is_used_alone member.
2824 (TMT_USED_ALONE): New macro.
2825 * tree-pass.h (PROP_tmt_usage): New property.
2826 (TODO_update_tmt_usage): New todo.
2827 * tree-ssa-alias.c (updating_used_alone): New variable.
2828 (recalculate_used_alone): New function.
2829 (compute_may_aliases): Set updating_used_alone, call
2830 recalculate_used_alone.
2831 * tree-sra.c (pass_sra): Note that this pass destroys
2832 PROP_tmt_usage, and add TODO_update_tmt_usage.
2833 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
2834 * tree-flow.h (updating_used_alone): Prototype.
2835 (recalculate_used_alone): Ditto.
2836 * passes.c (execute_todo): Add code to set updating_used_alone,
2837 and call recalculate.
2838 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
2839 for clobber if used alone, and add assert to verify used_alone
2842 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
2844 * config/s390/s390.c (legitimize_pic_address): Assertions checking
2845 for non tls symbols added.
2846 (legitimize_address): Do nothing for PLUS expressions if one of the
2847 addends is a tls symbol reference.
2849 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
2853 * Makefile.in (LDFLAGS): Define from autoconf substitution.
2855 * Makefile.in (BOOTSTRAPPING): New.
2856 (quickstrap): New definition if BOOTSTRAPPING=yes.
2858 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
2859 * configure.ac: Substitute all_selected_languages with the languages
2860 that were configured. For all the other variables except
2861 lang_specs_files, include all the languages in the tree.
2862 * configure: Regenerate.
2864 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
2865 if there is one. Run the commands to run fixincludes in the same
2868 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
2869 * doc/install.texi: Document exact conventions for searching target tools.
2870 Document --with-build-time-tools. Document toplevel bootstrap. Document
2871 something more about building an Ada cross-compiler. Don't list GNU Make
2872 requirements which affect all platforms.
2874 2006-02-19 Roger Sayle <roger@eyesopen.com>
2877 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
2878 only equivalent if the have both the same mode and precision.
2880 2006-02-20 Ben Elliston <bje@au.ibm.com>
2882 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
2884 2006-02-19 Roger Sayle <roger@eyesopen.com>
2885 Steven Bosscher <stevenb.gcc@gmail.com>
2887 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
2888 constant pool references to identify stack mode constants.
2889 * rtlanal.c (constant_pool_constant_p): New predicate to check
2890 whether operand is a floating point constant in the pool.
2891 * rtl.h (constant_pool_constant_p): Prototype here.
2892 * loop.c (scan_loop): Avoid hoisting constants from the constant
2893 pool on STACK_REGS targets.
2894 (load_mems): Likewise.
2895 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
2896 loads into x87 registers expensive in terms of register pressure.
2898 2006-02-19 Roger Sayle <roger@eyesopen.com>
2900 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
2901 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
2903 2006-02-19 David Edelsohn <edelsohn@gnu.org>
2905 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
2906 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
2908 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
2910 * doc/invoke.texi: Document -fipa-pta.
2911 * common.opt: Add ipa-pta option.
2912 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
2913 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
2914 (do_ds_constraint): Ditto.
2915 (get_constraint_for): Only add to referenced_vars if
2916 referenced_vars exists.
2917 (insert_into_field_list): Rewrite to do this unsorted.
2918 (insert_into_field_list_sorted): Rename old insert_into_field_list
2920 (create_function_info_for): Use insert_into_field_list_sorted.
2921 (create_variable_info_for): Rewrite so it uses unsorted version,
2922 since the field list is sorted.
2923 (intra_create_variable_infos): Only add to referenced_vars if
2924 referenced_vars exists.
2925 (ipa_pta_execute): Init heapvars, and delete when done.
2926 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
2928 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2930 * doc/install.texi: Add missing `@samp'.
2932 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
2934 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
2937 2006-02-18 Mark Wielaard <mark@klomp.org>
2939 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
2940 who added new 4.1 features, bug fixes and integration support.
2942 2006-02-18 David Edelsohn <edelsohn@gnu.org>
2945 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
2948 2006-02-18 Richard Sandiford <richard@codesourcery.com>
2950 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
2951 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
2952 (copy_insn_1): Likewise. Don't copy each field individually.
2954 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
2956 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
2957 * rtl.c (rtx_size): Rename variable to...
2958 (rtx_code_size): ...this.
2959 (rtx_size): New function.
2960 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
2961 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
2963 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
2964 * rtl.h (rtx_code_size): New variable.
2965 (rtx_size): Change from a variable to a function.
2966 (RTX_SIZE): Rename to...
2967 (RTX_CODE_SIZE): ...this.
2970 PR tree-optimization/17106
2971 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
2972 (Anchored Addresses): New section.
2973 * doc/invoke.texi (-fsection-anchors): Document.
2974 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
2975 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
2976 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
2977 * hooks.c (hook_bool_mode_rtx_false): New function.
2978 * hooks.h (hook_bool_mode_rtx_false): Declare.
2979 * gengtype.c (create_optional_field): New function.
2980 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
2981 SYMBOL_REF_IN_BLOCK_P is true.
2982 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
2983 (min_anchor_offset, max_anchor_offset): Likewise.
2984 (use_anchors_for_symbol_p): New hook.
2985 * toplev.c (compile_file): Call output_object_blocks.
2986 (target_supports_section_anchors_p): New function.
2987 (process_options): Check that -fsection-anchors is only used on
2988 targets that support it and when -funit-at-a-time is in effect.
2989 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
2990 if the decl doesn't have one.
2991 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
2992 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
2993 of force_const_mem through use_anchored_address.
2994 (expand_expr_constant): New function.
2995 (expand_expr_addr_expr_1): Call it. Use the same modifier when
2996 calling expand_expr for INDIRECT_REF.
2997 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
2998 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
2999 * expr.h (use_anchored_address): Declare.
3000 * loop-unroll.c: Don't declare rtx vectors here.
3001 * explow.c: Include output.h.
3002 (validize_mem): Call use_anchored_address.
3003 (use_anchored_address): New function.
3004 * common.opt (-fsection-anchors): New switch.
3005 * varasm.c (object_block_htab, anchor_labelno): New variables.
3006 (hash_section, object_block_entry_eq, object_block_entry_hash)
3007 (use_object_blocks_p, get_block_for_section, create_block_symbol)
3008 (use_blocks_for_decl_p, change_symbol_section): New functions.
3009 (get_variable_section): New function, split out from assemble_variable.
3010 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
3011 use_blocks_for_decl_p say so. Use change_symbol_section if the
3012 symbol has already been created.
3013 (assemble_variable_contents): New function, split out from...
3014 (assemble_variable): ...here. Don't output any code for
3015 block symbols; just pass them to place_block_symbol.
3016 Use get_variable_section and assemble_variable_contents.
3017 (get_constant_alignment, get_constant_section, get_constant_size): New
3018 functions, split from output_constant_def_contents.
3019 (build_constant_desc): Create a block symbol if use_object_blocks_p
3020 says so. Or into SYMBOL_REF_FLAGS.
3021 (assemble_constant_contents): New function, split from...
3022 (output_constant_def_contents): ...here. Don't output any code
3023 for block symbols; just pass them to place_section_symbol.
3024 Use get_constant_section and get_constant_alignment.
3025 (force_const_mem): Create a block symbol if use_object_blocks_p and
3026 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
3027 (output_constant_pool_1): Add an explicit alignment argument.
3028 Don't switch sections here.
3029 (output_constant_pool): Adjust call to output_constant_pool_1.
3030 Switch sections here instead. Don't output anything for block symbols;
3031 just pass them to place_block_symbol.
3032 (init_varasm_once): Initialize object_block_htab.
3033 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
3034 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
3035 (place_block_symbol, get_section_anchor, output_object_block)
3036 (output_object_block_htab, output_object_blocks): New functions.
3037 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
3038 (TARGET_ASM_OUT): Include it.
3039 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
3040 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
3041 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
3042 (TARGET_INITIALIZER): Include them.
3043 * rtl.c (rtl_check_failed_block_symbol): New function.
3044 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
3045 (block_symbol, object_block): New structures.
3046 (rtx_def): Add a block_symbol field to the union.
3047 (BLOCK_SYMBOL_CHECK): New macro.
3048 (rtl_check_failed_block_symbol): Declare.
3049 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
3050 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
3051 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
3052 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
3053 * output.h (output_section_symbols): Declare.
3054 (object_block): Name structure.
3055 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
3056 (default_use_anchors_for_symbol_p): Declare.
3057 * Makefile.in (RTL_BASE_H): Add vec.h.
3058 (explow.o): Depend on output.h.
3059 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
3060 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3061 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3062 (rs6000_use_blocks_for_constant_p): New function.
3064 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3066 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
3068 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
3071 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
3074 2006-02-18 Diego Novillo <dnovillo@redhat.com>
3076 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
3080 2006-02-18 Jakub Jelinek <jakub@redhat.com>
3083 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
3084 instead of DECL_REGISTER.
3086 2006-02-18 Olivier Hainque <hainque@adacore.com>
3089 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
3091 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
3094 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
3095 * opth-gen.awk: Handle Var and InverseMask together.
3096 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
3097 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
3098 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
3099 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
3101 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
3102 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3103 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
3104 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3105 LINUX_DYNAMIC_LINKER): Define.
3106 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
3107 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
3109 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3110 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
3111 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3112 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3113 (TARGET_C99_FUNCTIONS): Don't define.
3114 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
3115 GLIBC_DYNAMIC_LINKER.
3116 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
3117 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
3118 GLIBC_DYNAMIC_LINKER64): Define.
3119 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
3120 LINUX_DYNAMIC_LINKER64.
3121 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3122 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3123 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
3124 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3125 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3126 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3127 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
3128 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
3129 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
3130 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
3131 and LINUX_DYNAMIC_LINKER32.
3132 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3133 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3134 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
3135 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3136 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
3138 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
3139 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
3140 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
3141 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3142 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3143 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
3144 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
3145 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
3146 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3147 LINUX_DYNAMIC_LINKER): Define.
3148 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
3149 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
3150 GLIBC_DYNAMIC_LINKER64): Define.
3151 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
3152 LINUX_DYNAMIC_LINKER64.
3153 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3154 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3155 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
3156 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3157 LINUX_DYNAMIC_LINKER): Define.
3158 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3159 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
3160 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
3161 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
3162 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
3163 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3164 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
3165 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
3166 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
3167 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3168 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3169 * doc/invoke.texi (-muclibc): Remove caveat about supported
3172 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
3174 * doc/cpp.texi (__TIMESTAMP__): Document.
3176 2006-02-17 Roger Sayle <roger@eyesopen.com>
3179 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
3180 C is one less than the width of X (and related transformations).
3181 * simplify-rtx.c (simplify_unary_operation_1): Transform
3182 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
3183 depending on STORE_FLAG_VALUE, were C is one less then the
3186 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
3188 Fix PR tree-optimization/26341
3189 * tree-ssa-operands.c (add_virtual_operand): Remove assert
3190 about NAME_MEMORY_TAG's.
3192 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3195 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
3196 with hardware float support, and software float support. Add fcpy
3197 alternative to hardware patterns. Add alternatives to copy between
3198 general and floating-point registers to the 32-bit pattern.
3199 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
3200 secondary reload to load a QI or HI mode constant into a floating
3202 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
3203 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
3205 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
3208 * config/rs6000/darwin.md (load_macho_picbase_si): Add
3210 (load_macho_picbase_di): Likewise.
3212 2006-02-16 Jeff Law <law@redhat.com>
3214 * tree-vrp.c (set_value_range_to_nonnegative): New function.
3215 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
3216 (ssa_name_nonzero_p): Likewise.
3217 (get_value_range): Return NULL if VRP is not running.
3218 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
3219 VRP routines do not discover a range.
3220 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
3221 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
3222 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
3223 (tree_expr_nonnegative_p): Similarly.
3224 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
3225 (restore_nonzero_vars_to_original_value): Remove.
3226 (unsafe_associative_fp_binop): Remove.
3227 (tree_ssa_dominator_optimize): Remove initialization and
3228 finalization of nonzero_vars and nonzero_vars_stack.
3229 (dom_opt_initialize_block): No longer push marker on
3231 (dom_opt_finalize_block): No longer call
3232 restore_nonzero_vars_to_original_value.
3233 (record_equivalences_from_phis): No longer look for
3234 nonzero PHI arguments.
3235 (cprop_into_successor_phis): No longer propagate nonzero
3236 property into PHI arguments. Lose unused argument. Caller
3238 (record_equivalences_from_stmt): No longer record nonzero
3239 values for SSA_NAMEs.
3240 (lookup_avail_expr): No longer use nonzero_vars.
3242 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
3243 for sizetype when sizetype is unsigned.
3245 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
3247 PR rtl-optimization/25603
3248 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
3249 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
3250 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
3251 with new meaning of SETS.
3253 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
3258 * config/linux.opt: New file.
3259 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
3260 LINUX_DYNAMIC_LINKER): Define.
3261 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
3262 * config.gcc (*-*-linux*): Define extra_options.
3263 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
3264 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
3265 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
3266 GLIBC_DYNAMIC_LINKER.
3267 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
3268 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3269 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3270 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3271 * doc/invoke.texi (GNU/Linux Options): New section.
3273 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3275 * config/sparc/sparc.md (setjmp): Rewrite.
3276 (setjmp_32): Delete.
3277 (setjmp_64): Likewise.
3279 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
3281 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
3284 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
3286 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
3289 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
3291 PR rtl-optimization/26296
3292 * Makefile.in (loop-invariant.c): Add except.h dependency.
3293 * loop-invariant.c: Include except.h.
3294 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
3296 2005-02-16 Paul Brook <paul@codesourcery.com>
3298 * reload1.c (emit_reload_insns): Invalidate dead input registers used
3301 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
3303 PR rtl-optimization/25636
3304 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
3305 when deciding whether an insn is an initializing insn.
3307 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
3309 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
3310 (tree_code_size): Ditto.
3311 * tree.h (struct tree_memory_tag): Remove parent_var.
3312 (struct tree_struct_field_tag): New.
3315 (union tree_node): Add sft member.
3316 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
3318 (create_sft): Add size and offset argument, set SFT_OFFSET and
3320 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
3321 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
3322 * tree-flow-inline.h (get_subvar_at): Update for
3323 SFT_OFFSET/SFT_SIZE.
3324 (var_can_have_subvars): Ditto.
3325 (overlap_subvar): Ditto.
3326 * print-tree.c (print_node): Print out interesting things for
3328 * tree-flow.h (struct subvar): Remove offset and size members.
3329 * tree-ssa-operands.c (get_expr_operands): Update for
3330 get_indirect_ref_operands changes.
3331 (get_indirect_ref_operands): Call add_virtual_operand instead of
3332 add_stmt_operand. Only recurse on base var if requested.
3333 (access_can_touch_variable): New function.
3334 (add_stmt_operand): Split virtual operand handling into ...
3335 (add_virtual_operand): Here. Add offset, size, and for_clobber
3336 arguments. Prune alias sets.
3337 (add_call_clobber_ops): Call add_virtual_operand.
3339 2006-02-15 Jakub Jelinek <jakub@redhat.com>
3342 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
3344 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
3345 than TREE_CODE as index into omp_clause_num_ops array.
3347 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
3349 PR rtl-optimization/26184
3350 * modulo-sched.c (generate_reg_moves): Free bitmap vector
3352 * modulo-sched.c (sms_schedule): Free g_arr pointer.
3353 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
3354 must_precede, must_follow and tobe_scheduled.
3357 * opts.c (common_handle_option): Free new_option pointer.
3358 * df-core.c (df_analyze): Free postorder pointer.
3360 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
3362 * Makefile.in: Fix the examples about the use of stamps
3364 2006-02-15 Michael Matz <matz@suse.de>
3368 * stor-layout.c (layout_decl): Zero-width bitfields aren't
3369 influenced by maximum_field_alignment or DECL_PACKED.
3370 (update_alignment_for_field): Ditto.
3371 (place_field): Ditto.
3372 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
3375 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
3377 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
3378 (debug_flow_info): Pass it.
3379 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
3380 * bb-reorder.c (reorder_basic_blocks): Likewise.
3381 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
3382 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
3383 * flow.c (life_analysis, recompute_reg_usage): Likewise.
3384 * gcse.c (gcse_main, bypass_jumps): Likewise.
3385 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
3386 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
3387 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
3388 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
3389 * rtl.h (dump_flow_info): Adjust prototype.
3390 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
3391 * var-tracking.c (variable_tracking_main): Likewise.
3392 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
3393 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
3396 2006-02-15 Marcin Dalecki <martin@dalecki.de>
3398 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
3401 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
3403 PR tree-optimization/26209
3404 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
3405 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
3407 * tree-cfg.c (replace_uses_by): Do not alter cfg.
3409 2006-02-14 Roger Sayle <roger@eyesopen.com>
3412 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
3413 (X,Y) and the corresponding symmetry related transformations.
3414 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
3415 (X,Y) and its symmetry related transformations.
3417 2006-02-14 Roger Sayle <roger@eyesopen.com>
3419 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
3422 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
3424 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
3426 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3429 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
3430 support COMDAT group.
3431 * configure: Regenerate.
3433 2006-02-14 Roger Sayle <roger@eyesopen.com>
3438 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
3440 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
3442 Fix PR tree-optimization/26260
3444 * doc/invoke.texi (max-fields-for-field-sensitive): Document
3446 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
3447 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
3448 * tree-ssa-structalias.c (create_variable_info_for): Use
3449 MAX_FIELDS_FOR_FIELD_SENSITIVE.
3451 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
3453 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
3455 * tree-ssa-loop-niter.c (number_of_iterations_ne,
3456 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
3457 of the ending condition.
3458 * tree-ssa-loop-manip.c: Include params.h.
3459 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
3460 tree_unroll_loop): New functions.
3461 * tree-pass.h (pass_loop_prefetch): Declare.
3462 * loop.c (rest_of_handle_loop_optimize): Test for
3463 -fprefetch-loop-arrays-rtl.
3464 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
3465 * timevar.def (TV_TREE_PREFETCH): New timevar.
3466 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
3467 pass_loop_prefetch): New.
3468 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
3469 (cleanup_tree_cfg_loop): Call scev_reset.
3470 * common.opt (fprefetch-loop-arrays-rtl): Add.
3471 * tree-ssa-loop-prefetch.c: New file.
3472 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
3473 (new_temp_expr_table): Initialize expr_vars.
3474 (free_temp_expr_table): Cleanup expr_vars.
3475 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
3476 expressions from being merged into one.
3477 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
3478 (struct tree_niter_desc): Add control, bound and cmp fields.
3479 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
3481 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
3482 (tree-cfgcleanup.o): Add SCEV_H dependency.
3483 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
3484 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
3486 2006-02-14 Richard Guenther <rguenther@suse.de>
3488 PR tree-optimization/26258
3489 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
3490 in PHI argument processing.
3492 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
3494 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
3495 new expression in the requested machine mode.
3497 2006-02-13 Roger Sayle <roger@eyesopen.com>
3499 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
3500 directly, instead let do_compare_rtx_and_jump handle this for us.
3501 * expr.c (expand_expr_real_1): Likewise.
3502 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
3503 before do_jump_by_parts_greater.
3504 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
3505 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
3507 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3509 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
3511 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
3513 PR rtl-optimization/26235
3514 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
3515 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
3518 2006-02-13 Jeff Law <law@redhat.com>
3520 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
3523 2006-02-13 Jakub Jelinek <jakub@redhat.com>
3526 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
3527 twice if decl is a builtin. When trying again, call get_callee_fndecl
3528 first to verify it is still a builtin.
3530 2006-02-13 Geoffrey Keating <geoffk@apple.com>
3532 * dwarf2out.c (base_type_die): Don't add AT_name here.
3533 (subrange_type_die): Don't add AT_name here.
3534 (modified_type_die): Rearrange code flow. Do add AT_name here.
3536 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
3538 PR rtl-optimization/26247
3539 PR rtl-optimization/26248
3540 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
3542 2006-02-13 Richard Sandiford <richard@codesourcery.com>
3544 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
3545 * config/fixtfdi.c: Likewise.
3546 * config/fixunstfdi.c: Likewise.
3547 * config/floatditf.c: Likewise.
3549 2006-02-13 Roger Sayle <roger@eyesopen.com>
3552 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
3553 into (X,C2) if C1 is a subset of the bits of C2. Transform
3554 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
3556 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
3558 2006-02-13 Josh Conner <jconner@apple.com>
3561 * varasm.c (function_section): Check for section name before
3562 calling select_section on targets that define
3563 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
3564 unlikely_text_section instead of hot_function_section if
3565 first_function_block_is_cold.
3567 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
3570 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
3572 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
3574 PR rtl-optimization/26222
3575 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
3576 after tree->rtl expansion.
3577 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
3578 before passing it to emit_move_insn.
3580 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
3582 * doc/invoke.texi (-Write-strings): Document that it is enabled by
3584 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
3585 Clarify documentation.
3586 * c-common.h (warn_write_strings): Remove.
3587 * c-common.c (warn_write_strings): Likewise.
3588 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
3591 2006-02-12 Roger Sayle <roger@eyesopen.com>
3594 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
3595 (do_jump_parts_zero_rtx): New function renamed from
3596 do_jump_parts_equality_rtx. Made static. Add a mode argument.
3597 (do_jump_parts_equality_rtx): New function split out from
3598 do_jump_parts_equality. Old implementation renamed as above.
3599 Call do_jump_parts_zero_rtx if either operand is zero.
3600 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
3601 do all of the heavy lifting.
3602 (do_compare_rtx_and_jump): Handle multi-word comparisons by
3603 calling either do_jump_by_parts_greater_rtx or
3604 do_jump_by_parts_equality_rtx.
3605 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
3606 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
3607 moved to do_compare_rtx_and_jump, call it directly.
3608 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
3609 mode argument. Call do_compare_rtx_and_jump.
3610 (emit_case_nodes): Update calls to do_jump_if_equal.
3612 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
3614 PR rtl-optimization/26225
3615 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
3617 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
3619 PR rtl-optimization/26232
3620 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
3622 2006-02-11 Jason Merrill <jason@redhat.com>
3625 * tree-inline.c (declare_return_variable): Just don't use the
3626 modify target if it's a gimple complex reg and the return slot
3629 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3631 * doc/contrib.texi: Update my entry.
3633 2006-02-10 Geoffrey Keating <geoffk@apple.com>
3635 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
3637 2006-02-10 Diego Novillo <dnovillo@redhat.com>
3639 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
3642 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
3644 * doc/invoke.texi (-floop-optimize2): Removed.
3645 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
3646 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
3647 Test flag_branch_on_count_reg only if HAVE_doloop_end.
3648 * common.opt (floop-optimize2): Removed.
3649 (fmove-loop-invariants): Enabled by default.
3651 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
3653 * tree-if-conv.c (combine_blocks): Free the result of
3654 get_loop_exit_edges.
3656 2006-02-10 Jeff Law <law@redhat.com>
3658 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
3660 PR tree-optimization/26213
3661 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
3662 loop trying to follow SSA_NAME_VALUE chains.
3664 2006-02-10 Richard Guenther <rguenther@suse.de>
3666 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
3667 deal with structures that end in implicitly variable sized arrays.
3669 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
3671 PR rtl-optimization/24762
3672 * df-scan.c (df_bb_refs_record): Record correct registers defined on
3675 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
3677 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
3678 (struct ivopts_data): Add regs_used field.
3679 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
3680 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
3681 instead of loop_data->regs_used;
3682 (free_loop_data): Do not free aux fields for loops.
3683 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
3684 and tree_ssa_iv_optimize_finalize.
3686 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
3688 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
3690 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
3693 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
3694 computing the effective result type.
3696 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
3699 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
3700 (tree_overlaps_hard_reg_set): Declare.
3701 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
3702 type and signature to match function type expected by walk_tree.
3703 (tree_overlaps_hard_reg_set): New function.
3704 (decl_conflicts_with_clobbers_p): Rename to:
3705 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
3706 Use tree_overlaps_hard_reg_set. Changed caller.
3707 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
3708 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
3709 * cris.c (cris_md_asm_clobbers): Likewise.
3711 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
3713 * reload1.c (emit_input_reload_insns): Delete code that tries to
3714 inherit using find_equiv_reg.
3716 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
3718 * c-common.h (flag_const_strings): Don't declare.
3719 * c-common.c (flag_const_strings): Remove.
3720 * c.opt (fconst_strings): Remove.
3721 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
3722 <OPT_Wwrite_strings>: Don't set flag_const_strings.
3723 (c_common_init_options): Don't set flag_const_strings.
3724 * doc/invoke.texi (-fno-const-strings): Remove documentation.
3726 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
3728 * arm.md (tlobits_cbranch): New pattern.
3729 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
3730 testing a single bit.
3732 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
3735 * tree-ssa-pre.c (create_component_ref_by_pieces):
3736 Handle RETURN_DECL like VAR_DECL.
3738 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
3741 * fold-const.c (fold_indirect_ref_1): Fold
3742 "*(foo *)&complexfoo" to "__real__ complexfoo"
3743 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
3745 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
3747 * tree-flow-inline.h (var_can_have_subvars):
3748 Volatile variables should not have subvariables.
3750 2006-02-09 Diego Novillo <dnovillo@redhat.com>
3753 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
3754 multiplying unsigned values.
3757 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
3759 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
3761 2006-02-08 Jason Merrill <jason@redhat.com>
3764 * tree.def: Elaborate on difference from MODIFY_EXPR.
3765 * doc/c-tree.texi (INIT_EXPR): Likewise.
3766 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
3767 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
3768 (gimplify_target_expr): Likewise.
3769 (gimplify_cond_expr): Remove target handling.
3770 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
3771 (gimplify_expr): Clobber it here.
3772 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
3773 Do return slot optimization if we have an INIT_EXPR.
3776 * tree-inline.c (declare_return_variable): Also clear
3777 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
3780 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
3783 * gimplify.c (gimplify_one_sizepos): Fix typo.
3785 2006-02-08 Jeff Law <law@redhat.com>
3787 PR tree-optimization/21417
3788 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
3789 across a backedge if the control statement at the end of the
3790 block is data dependent on other statements in the same block.
3791 (record_temporary_equivalences_from_stmts): Remove over-conservative
3792 test for threading across backedges.
3794 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
3795 control statement, handle all three special cases in the same
3796 manner as they all have the same desired solution. No longer
3797 special case edge flag updating when the post dominator is
3800 2006-02-08 Roger Sayle <roger@eyesopen.com>
3802 * tree.def (CHAR_TYPE): Remove.
3803 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
3804 * dwarf2out.c (base_type_die, is_base_type): Likewise.
3805 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
3806 (gen_string_type_die): Delete unreachable function.
3808 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
3809 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
3810 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
3811 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
3812 * builtins.c (type_to_class): Likewise.
3813 * fold-const.c (fold_convert, build_range_check,
3814 merge_ranges): Likewise.
3815 * expr.c (count_type_elements): Likewise.
3816 * c-pretty-print.c (pp_c_type_specifier): Likewise.
3817 * stor-layout.c (layout_type): Likewise.
3818 * ipa-type-escape.c (type_to_consider): Likewise.
3819 * gimplify.c (omp_firstprivatize_type_sizes,
3820 gimplify_type_sizes): Likewise.
3821 * explow.c (promote_mode): Likewise.
3822 * tree-sra.c (is_sra_scalar_type): Likewise.
3823 * varasm.c (output_constant): Likewise.
3824 * tree-inline.c (remap_type_1): Likewise.
3825 * convert.c (convert_to_pointer, convert_to_real,
3826 convert_to_integer, convert_to_complex): Likewise.
3828 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
3830 * df-scan.c (df_def_record_1): A set destination may
3831 be a parallel regardless of mode.
3833 2006-02-08 Roger Sayle <roger@eyesopen.com>
3836 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
3837 * config/mips/_tilib.c: Remove.
3838 * config/fixtfdi.c: New libgcc source file.
3839 * config/fixunstfdi.c: New source file.
3840 * config/floatditf.c: New source file.
3841 * config/floatunditf.c: New souce file.
3842 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
3843 files above instead of config/mips/_tilib.c.
3844 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
3846 2006-02-08 Jeff Law <law@redhat.com>
3848 PR tree-optimization/26169
3849 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
3852 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
3854 * df.h (DF_REG_SIZE): Return the length of the initialized
3857 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
3859 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
3860 __muldf3): Return a correctly signed zero.
3862 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
3864 * passes.c (register_one_dump_file): Accept the current properties
3865 instead of pass number. Adjust call to dump_register. Remove
3867 (register_dump_files): Now a wrapper around...
3868 (register_dump_files_1): ... this one. Do not modify the pass
3870 (next_pass_1): Cosmetic fix.
3871 (execute_todo): Keep second parameter only. Use curr_properties
3872 instead of fetching it from the pass structure. Check and set
3874 (execute_one_pass): Handle TODO_set_props. Use curr_properties
3875 instead of fetching it from the pass structure. Fix calls to
3876 execute_todo. Update curr_properties and initialize .vcg RTL dump
3877 after running the pass. Reset last_verified.
3878 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
3880 (FIRST_AUTO_NUMBERED_DUMP): New.
3881 (dump_register): Remove "num" parameter, assign it within the
3883 (get_dump_file_name): Modify template for dumps.
3884 * tree-dump.h (dump_register): Adjust prototype.
3885 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
3886 (PROP_trees): Add PROP_gimple_lomp.
3887 (TODO_set_props): New.
3888 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
3889 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
3890 * cfgexpand.c (pass_expand): Destroy PROP_trees.
3892 2006-02-08 Jakub Jelinek <jakub@redhat.com>
3894 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
3895 (sparc64-*-linux*): Likewise.
3896 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
3897 * config/sparc/t-linux: New file.
3898 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
3899 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
3900 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
3901 -m32 -mlong-double-128.
3903 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
3904 * config/alpha/t-linux: New file.
3905 * config/alpha/libgcc-alpha-ldbl.ver: New file.
3907 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
3908 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
3909 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
3910 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
3911 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
3912 (CPP_ARCH32_SPEC): Remove.
3914 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
3916 PR tree-optimization/26145
3917 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
3920 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3923 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
3924 >= 240000 when generating code for SOM runtime.
3925 (output_indirect_call): Don't use "b,l" instruction for indirect calls
3926 to $$dyncall when generating code for SOM runtime..
3928 2006-02-07 Dirk Mueller <dmueller@suse.com>
3931 * doc/invoke.texi (-Wsequence-point): Update documentation
3932 that -Wsequence-point is implemented for C++ as well.
3934 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
3936 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
3937 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
3938 (LIB_SPEC): Likewise.
3939 * doc/invoke.texi (SPARC options): Document -pthread.
3941 2006-02-07 Geoffrey Keating <geoffk@apple.com>
3943 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
3946 2006-02-07 Roger Sayle <roger@eyesopen.com>
3948 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
3949 Correct comment describing BOOLEAN_TYPE.
3951 2006-02-07 Dirk Mueller <dmueller@suse.com>
3953 * c.opt: C++ frontend supports -Wdiv-by-zero.
3954 * c-opts.c (c_common_handle_option): Remove dead case.
3956 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
3958 * configure.ac (TLS assembler check): Do not enable TLS by
3959 default on SPARC/Solaris before version 10.
3960 * configure: Regenerate.
3962 2006-02-07 David Edelsohn <edelsohn@gnu.org>
3964 * doc/invoke.texi (xl-compat): Document conversion and support
3967 2006-02-07 Jeff Law <law@redhat.com>
3969 * tree-vrp.c (find_conditional_asserts): Update comments.
3970 (simplify_stmt_for_jump_threading): New.
3971 (identify_jump_threads, finalize_jump_threads): New.
3972 (vrp_finalize): Call identify_jump_threads.
3973 (execute_vrp): Call finalize_jump_threads.
3974 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
3975 (vrp_element, vrp_data, vrp_element_p): Remove.
3976 (vrp_hash_elt, vrp_variables_stack): Remove.
3977 (vrp_hash, vrp_eq, record_range): Remove.
3978 (simplify_cond_and_lookup_avail_expr): Remove.
3979 (extract_range_from_cond): Remove.
3980 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
3981 (simplify_stmt_for_jump_threading): New.
3982 (dom_thread_across_edge): New wrapper.
3983 (tree_ssa_dominator_optimize): No longer initialize or
3984 finalize any of the VRP datastructures. Remove iteration
3985 step and simplify as a result of removal of iteration step.
3986 (pass_dominator): Perform a cfg cleanup after DOM.
3987 (dom_opt_finalize_block): Use the new common routines
3988 for threading jumps. Simplify stack management slightly.
3989 No longer need to unwind VRP state.
3990 (record_equivalences_from_incoming_edge): No longer record
3992 (eliminate_redundant_computations): No longer call
3993 simplify_cond_and_lookup_avail_expr.
3994 * tree-flow.h (potentially_threadable_block): Prototype.
3995 (thread_across_edge): Likewise.
3996 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
3997 (tree-ssa-threadedge.o): Add dependencies.
3998 * tree-ssa-threadedge.c: New file.
3999 * passes.c (init_optimization_passes): Merge PHIs before
4000 calling VRP. Run VRP again late in the SSA optimization pipeline.
4002 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4004 * df-core.c (df_set_blocks): Do not dereference function pointers.
4005 (df_finish1): Likewise.
4006 (df_hybrid_search_forward): Likewise.
4007 (df_hybrid_search_backward): Likewise.
4008 (df_iterative_dataflow): Likewise.
4009 (df_analyze_problem): Likewise.
4010 (df_compact_blocks): Likewise.
4011 (df_dump): Likewise.
4012 * df-scan.c (df_rescan_blocks): Likewise.
4013 (df_record_entry_block_defs): Likewise.
4015 * genconditions.c (write_conditions): Guard the definition of
4016 'insn_conditions' with the check on GCC version.
4017 (write_writer): Guard the traversal 'insn_conditions' with
4018 the check on GCC version.
4020 2006-02-07 Richard Guenther <rguenther@suse.de>
4024 2006-01-30 Richard Guenther <rguenther@suse.de>
4026 * gimplify.c (gimplify_target_expr): Handle easy cases
4027 without creating a temporary.
4029 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
4031 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
4032 use of float in probability computations. Use edge probabilities
4033 in place of statically computed probabilities.
4034 (min_spec_prob): New static variable.
4035 (schedule_insns): Initialize it.
4036 (GET_SRC_PROB): Removed.
4037 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
4039 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
4042 * config/ia64/unwind-ia64.c: Revert last change.
4043 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
4044 (INCOMING_FRAME_SP_OFFSET): Define.
4046 2006-02-06 Roger Sayle <roger@eyesopen.com>
4048 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
4050 2006-02-07 Ben Elliston <bje@au.ibm.com>
4052 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
4053 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
4054 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
4055 (ix86_return_in_memory): Handle TDmode.
4056 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
4057 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
4059 2006-02-06 Richard Sandiford <richard@codesourcery.com>
4061 * reorg.c (dbr_schedule): Use dump_file instead of file.
4063 2006-02-06 Steve Ellcey <sje@cup.hp.com>
4066 * config/ia64/predicates.md (extr_len_operand): New predicate.
4067 * config/ia64/ia64.md (extv): Tighten constraints.
4069 (*tbit_and_2): Ditto.
4070 (*tbit_and_3): Ditto.
4071 (*tbit_or_2): Ditto.
4072 (*tbit_or_3): Ditto.
4076 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
4079 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
4081 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
4083 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
4084 loop_optimizer_init and loop_optimizer_finalize
4085 * tree-ssa-sink.c (execute_sink_code): Ditto.
4086 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4087 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
4088 tree_ssa_loop_done): Ditto.
4089 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
4090 * sched-ebb.c: Include output.h.
4091 (schedule_ebbs): Do not use dump argument.
4092 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
4093 * loop.c (loop_dump_stream): Removed.
4094 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
4096 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
4097 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
4098 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
4099 loop_iterations, strength_reduce, record_biv, record_giv,
4100 final_giv_value, check_final_value, check_ext_dependent_givs,
4101 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
4102 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
4103 dump_file instead of loop_dump_stream.
4104 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
4106 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
4108 * flow.c (life_analysis, rest_of_handle_life): Ditto.
4109 * haifa-sched.c: Include output.h
4110 (schedule_insns, sched_init): Do not use dump argument.
4111 * mode-switching.c (optimize_mode_switching): Ditto.
4112 * modulo-sched.c (stats_file): Removed.
4113 (print_node_sched_params): Do not call argument dump_file.
4114 (sms_schedule_by_order, loop_canon_p, sms_schedule,
4115 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
4117 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
4119 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
4120 rtl_loop_init, rtl_loop_done): Ditto.
4121 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
4122 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
4124 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
4125 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
4126 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
4127 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
4128 * emit-rtl.c (renumber_insns): Ditto.
4129 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
4130 expand_gimple_basic_block, tree_expand_cfg): Ditto.
4131 * regclass.c (regclass): Ditto.
4132 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
4133 remove_ssa_form, rewrite_out_of_ssa): Ditto.
4134 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
4135 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
4137 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
4138 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
4140 * gcse.c (gcse_file, debug_stderr): Removed.
4141 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
4142 rest_of_handle_gcse): Do not use dump argument.
4143 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
4144 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
4145 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
4146 compute_code_hoist_vbeinout, compute_code_hoist_data,
4147 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
4148 compute_store_table, build_store_vectors, insert_insn_start_bb,
4149 insert_store, remove_reachable_equiv_notes, replace_store_insn,
4150 store_motion): Use dump_file instead of gcse_file.
4151 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
4152 * profile.c (profile_dump_file): Removed.
4153 (branch_prob): Use dump_file instead of profile_dump_file.
4154 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
4156 * tree-ssa-copy.c (dump_copy_of): Ditto.
4157 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
4158 dump file to life_analysis.
4159 * bt-load.c (branch_target_load_optimize): Ditto.
4160 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
4162 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
4163 regclass, dbr_schedule): Declaration changed.
4164 * sched-int.h (sched_init): Declaration changed.
4165 * tree-profile.c (tree_profile_dump_file): Removed.
4166 (tree_profile_hooks): Removed profile_dump_file hook.
4167 * rtl-profile (rtl_profile_dump_file): Removed.
4168 (rtl_profile_hooks): emoved profile_dump_file hook.
4169 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
4171 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
4172 * tree-cfg.c (build_tree_cfg): Ditto.
4173 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
4174 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
4175 Declaration changed.
4176 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
4177 life_analysis and schedule_insns.
4178 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
4180 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
4182 * config/mips/mips.c (mips_reorg): Ditto.
4183 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
4186 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
4188 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4189 (s390_mangle_fundamental_type): New.
4190 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4193 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4194 (alpha_mangle_fundamental_type): New.
4195 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4198 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4200 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4202 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4203 (sparc_mangle_fundamental_type): New.
4205 2006-02-06 Jakub Jelinek <jakub@redhat.com>
4207 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
4208 (s390x-*-linux*): Likewise.
4209 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
4210 * config/s390/t-linux: New file.
4212 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
4214 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
4215 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
4217 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
4219 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
4220 (ANTIC_SAFE_LOADS): New macro.
4221 (find_or_generate_expression): Add prototype.
4222 (set_contains_value): Allow null set for sake of not always having
4223 to allocate ANTIC_SAFE_LOADS.
4224 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
4225 Allow COMPONENT_REF too.
4226 (valid_in_set): Allow COMPONENT_REF.
4227 Check ANTIC_SAFE_LOADS too.
4228 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
4229 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
4231 (can_PRE_operation): Add COMPONENT_REF.
4232 (create_component_ref_by_pieces): New function.
4233 (create_expression_by_pieces): Use create_component_ref_by_pieces.
4234 (insert_aux): Move AGGREGATE_TYPE_P check here.
4235 (compute_avail): Set bb local stmt uids.
4236 (pass_pre): Use TODO_update_ssa_only_virtuals.
4238 2006-02-06 Ben Elliston <bje@au.ibm.com>
4240 * configure.ac: Unconditionally disable decimal float by default.
4241 * configure: Regenerate.
4243 2006-02-06 Ben Elliston <bje@au.ibm.com>
4245 * read-rtl.c (read_name): Terminate reading on EOF.
4247 2006-02-06 Ben Elliston <bje@au.ibm.com>
4249 * dfp.c (decimal_real_arithmetic): Change second argument type
4250 from int to enum tree_code. Do not always return true, but now
4251 return result of any call to decimal_do helper functions.
4252 * dfp.h (decimal_real_arithmetic): Update prototype.
4254 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
4256 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
4258 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
4261 * tree-cfg.c (cleanup_dead_labels): Also don't remove
4264 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
4266 * tree-vrp.c (cfg_loops): Removed.
4267 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
4268 Use current_loops instead of cfg_loops. Pass flags to
4269 loop_optimizer_init.
4270 * cfgloopmanip.c (fix_loop_structure): Update only available
4272 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
4273 loop_optimizer_init.
4274 * modulo-sched.c (build_loops_structure): Removed.
4275 (sms_schedule): Use loop_optimizer_init.
4276 * loop-init.c (loop_optimizer_init): Use flags to determine
4277 which properties of loops to prepare.
4278 (rtl_loop_init): Pass flags to loop_optimizer_init.
4279 * tree-ssa-sink.c (execute_sink_code): Ditto.
4280 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
4281 * tree-ssa-pre.c (init_pre): Ditto.
4282 * cfgloop.h (LOOPS_NORMAL): New.
4283 (loop_optimizer_init): Declaration changed.
4285 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4287 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
4288 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
4290 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
4292 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
4294 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
4295 * pa/t-pa64: Delete quadlib.c rule.
4296 * pa/x-ada: Revert last change.
4297 * pa/t-pa: Revert last change. Delete quadlib.c rule.
4299 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
4301 PR rtl-optimization/26087
4302 * rtlanal.c (canonicalize_condition): Do not cross basic block
4305 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
4308 * config/ia64/ia64.c: Include debug.h.
4309 (MAX_ARTIFICIAL_LABEL_BYTES): New.
4310 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
4311 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
4312 (process_epilogue, process_set, process_for_unwind_directive):
4313 Output unwind info only if requested. Add CFA info if requested.
4314 Add new arguments as needed. Adjust callers.
4315 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
4317 (DWARF2_FRAME_INFO): Define to zero.
4318 * config/ia64/unwind-ia64.c: Remove code that compensated for
4319 the CFA offset error fixed above.
4320 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
4321 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
4322 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
4323 -funwind-tables and -fexceptions to enable frame info.
4324 (dwarf2out_frame_init): Define initial CFA even if
4325 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
4326 DWARF2_UNWIND_INFO is nonzero, not just defined.
4327 (dwarf2out_frame_finish): Output non-EH call frame info only
4328 if DWARF2_FRAME_INFO is nonzero.
4329 (convert_cfa_to_loc_list,
4330 compute_frame_pointer_to_cfa_displacement): Define even if
4331 unwind info is not supported.
4332 (gen_subprogram_die): Use the above unconditionally. Remove
4333 legacy alternate code.
4334 * toplev.c (compile_file): Compile in call to
4335 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
4336 (lang_dependent_init): Ditto for dwarf2out_frame_init.
4338 2006-02-04 David Edelsohn <edelsohn@gnu.org>
4339 Jakub Jelinek <jakub@redhat.com>
4341 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
4342 IBM extended float format long double as "g" on powerpc*-linux.
4344 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4347 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
4348 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
4350 2006-02-03 Jason Merrill <jason@redhat.com>
4353 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
4356 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
4357 on the return slot if it's an NRV.
4359 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
4361 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
4362 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
4363 rewrite_use): Do not handle USE_OUTER.
4364 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
4365 add_iv_outer_candidates, may_replace_final_value,
4366 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
4367 (find_interesting_uses_op): Functionality of
4368 find_interesting_uses_outer_or_nonlin moved here.
4369 (find_interesting_uses_outside): Use find_interesting_uses_op.
4371 2006-02-03 Alan Modra <amodra@bigpond.net.au>
4374 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
4376 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
4377 Ulrich Weigand <uweigand@de.ibm.com>
4380 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
4381 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
4382 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
4383 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
4385 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
4386 (s390_rtx_costs): Use the new fields to calculate rtx costs.
4387 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
4388 Define secondary reloads for TFmode moves.
4389 (constant_modes): Add TFmode.
4390 (NR_C_MODES): Set to 8.
4391 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
4393 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
4394 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
4395 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
4396 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
4397 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
4398 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
4399 (FPR mode macro): Add TFmode.
4400 (DSF mode macro): New.
4401 (<de>, <dee> mode attributes): Removed.
4402 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
4403 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
4404 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
4405 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
4406 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
4407 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
4408 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
4409 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
4410 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
4411 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
4412 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
4413 "*negabs<mode>2", "sqrt<mode>2"):
4414 Changed <de> to <xde>. R constraint replaced by <Rf>.
4415 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
4417 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
4418 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
4419 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
4421 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
4422 "extenddftf2", "extendsftf2"): New expanders.
4423 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
4424 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
4425 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
4426 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
4428 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
4429 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
4430 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
4431 __floatditf): Add a GCC_4.1.0 symbol version tag.
4432 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
4435 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
4438 * config/i386/i386.c (ix86_function_ok_for_sibcall):
4439 Use targetm.binds_local_p instead of TREE_PUBLIC.
4441 2006-02-02 Roger Sayle <roger@eyesopen.com>
4443 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
4444 on INTEGER_TYPEs to indicate that it denotes a character type.
4445 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
4446 signed_char_type_node, unsigned_char_type_node and char_type_node.
4447 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
4448 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
4449 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
4451 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
4452 Daniel Berlin <dberlin@dberlin.org>
4454 * tree-tailcall.c (arg_needs_copy_p): New function.
4455 (eliminate_tail_call): Use arg_needs_copy_p.
4456 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
4457 (add_virtual_phis): New function.
4459 2006-02-02 Jakub Jelinek <jakub@redhat.com>
4461 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
4462 #ignore instead of #scratch for %g7 .register directive.
4464 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
4466 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
4469 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
4471 * flow.c (calculate_global_regs_live): Assert that there aren't any
4474 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
4476 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
4478 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
4479 bsi_after_labels iterator.
4480 * tree-if-conv.c (find_phi_replacement_condition,
4481 replace_phi_with_cond_modify_expr): Likewise.
4482 * tree-scalar-evolution.c (scev_const_prop): Likewise.
4483 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
4485 2006-02-02 Diego Novillo <dnovillo@redhat.com>
4487 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
4489 2006-02-02 Diego Novillo <dnovillo@redhat.com>
4492 * tree-cfg.c (move_block_to_fn): Clear out the basic block
4493 array after growing it.
4495 2006-02-01 Steve Ellcey <sje@cup.hp.com>
4498 * fold-const.c (fold_checksum_tree): Change type of buf.
4500 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
4502 * reload.c (push_secondary_reload): Initialize t_icode.
4504 2006-02-01 Jakub Jelinek <jakub@redhat.com>
4506 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
4507 -msoft-float -mlong-double-128 only issue a warning, but don't
4508 swich to DFmode long double.
4510 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
4512 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
4513 has a constant equivalent, iterate over equivalents for arg0,
4514 calling simplify_relational_operation and if there's a result
4515 cheaper than X, apply fold_rtx and return the result.
4517 2006-02-01 Jan Hubicka <jh@suse.cz>
4519 * opts.c (no_unit_at_a_time_default): New global variable.
4520 (decode_options): Use it.
4521 * opts.h (no_unit_at_a_time_default): Declare.
4523 2006-02-01 Paul Brook <paul@codesourcery.com>
4525 * function.c (assign_parm_setup_reg): Use function argument promotion
4527 * expr.c (expand_expr_real_1): Use function argument promotion rules
4530 2006-02-01 Steve Ellcey <sje@cup.hp.com>
4532 * gcc.c (process_command): Change j to 'unsigned int'.
4534 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
4537 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
4538 Use the corrected index for the character
4539 out of the string constant.
4541 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
4543 * mode-switching.c (optimize_mode_switching): Fix size
4544 allocated for bb_info[n_entities].
4546 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
4548 * gcc.c (main): Correct type that is allocated for
4549 explicit_link_files.
4551 2006-01-31 Jakub Jelinek <jakub@redhat.com>
4553 * config/s390/s390.c (init_alignment_context): Set
4554 ALIAS_SET_MEMORY_BARRIER on the MEM.
4555 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
4557 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
4560 * loop-unroll.c (unroll_loop_runtime_iterations): Free
4562 * tree-ssa-live.c (type_var_init): Allocate bitmap after
4565 2006-01-31 Marcin Dalecki <martin@dalecki.de>
4567 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
4568 * regrename.c: Ditto.
4569 * tree-ssa-loop-im.c: Ditto.
4570 * tree-dump.c: Ditto.
4571 * tree-complex.c: Ditto.
4572 * genrecog.c: Ditto.
4573 * tree-ssa-threadupdate.c: Ditto.
4575 * java/class.c: Ditto.
4576 * java/jcf-parse.c: Ditto.
4577 * java/resource.c: Ditto.
4578 * java/except.c: Ditto.
4579 * java/jvspec.c: Ditto.
4580 * java/jcf-write.c: Ditto.
4581 * java/jcf-path.c: Ditto.
4582 * java/gjavah.c: Ditto.
4583 * java/zextract.c: Ditto.
4584 * java/jcf-io.c: Ditto.
4585 * java/jcf.h: Ditto.
4586 * java/buffer.c: Ditto.
4587 * java/lang.c: Ditto.
4588 * java/parse-scan.y: Ditto.
4589 * java/lex.c: Ditto.
4590 * java/lex.h: Ditto.
4591 * cfgloopmanip.c: Ditto.
4592 * postreload-gcse.c: Ditto.
4593 * tree-ssa-loop-manip.c: Ditto.
4594 * postreload.c: Ditto.
4595 * tree-ssa-loop-ch.c: Ditto.
4599 * diagnostic.c: Ditto.
4601 * genoutput.c: Ditto.
4603 * cfghooks.c: Ditto.
4604 * cfgloopanal.c: Ditto.
4605 * objc/objc-act.c: Ditto.
4607 * genextract.c: Ditto.
4608 * genautomata.c: Ditto.
4609 * pretty-print.c: Ditto.
4611 * cgraphunit.c: Ditto.
4614 * haifa-sched.c: Ditto.
4615 * dominance.c: Ditto.
4617 * tree-ssa-loop-ivopts.c: Ditto.
4619 * mode-switching.c: Ditto.
4620 * modulo-sched.c: Ditto.
4622 * ipa-pure-const.c: Ditto.
4624 * fix-header.c: Ditto.
4626 * tree-stdarg.c: Ditto.
4627 * ipa-utils.c: Ditto.
4628 * loop-init.c: Ditto.
4629 * ipa-inline.c: Ditto.
4632 * alloc-pool.c: Ditto.
4633 * dwarf2out.c: Ditto.
4635 * genattrtab.c: Ditto.
4636 * tree-ssa-loop-ivcanon.c: Ditto.
4640 * fortran/gfortranspec.c: Ditto.
4642 * local-alloc.c: Ditto.
4643 * langhooks.c: Ditto.
4644 * function.c: Ditto.
4645 * tree-vectorizer.c: Ditto.
4647 * ipa-type-escape.c: Ditto.
4649 * tree-if-conv.c: Ditto.
4652 * tree-data-ref.c: Ditto.
4653 * loop-unroll.c: Ditto.
4654 * treelang/treetree.c: Ditto.
4657 * ggc-common.c: Ditto.
4659 * coverage.c: Ditto.
4661 * tree-cfgcleanup.c: Ditto.
4662 * tree-ssa-pre.c: Ditto.
4663 * cfgcleanup.c: Ditto.
4664 * loop-invariant.c: Ditto.
4666 * ipa-prop.c: Ditto.
4667 * print-tree.c: Ditto.
4668 * conflict.c: Ditto.
4669 * ggc-page.c: Ditto.
4670 * sched-deps.c: Ditto.
4671 * regclass.c: Ditto.
4672 * tree-object-size.c: Ditto.
4674 * bb-reorder.c: Ditto.
4675 * resource.c: Ditto.
4676 * var-tracking.c: Ditto.
4678 * df-problems.c: Ditto.
4679 * reg-stack.c: Ditto.
4682 * sched-rgn.c: Ditto.
4683 * tree-ssa-structalias.c: Ditto.
4684 * tree-ssa-reassoc.c: Ditto.
4685 * config/darwin-c.c: Ditto.
4686 * config/darwin.c: Ditto.
4687 * config/arm/arm.c: Ditto.
4689 * collect2.c: Ditto.
4692 2006-01-31 Nicolas Pitre <nico@cam.org>
4694 * arm.md (smaxsi3): Make aware of smax_m1.
4697 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
4699 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
4701 2006-01-31 Richard Guenther <rguenther@suse.de>
4703 * doc/invoke.texi (-msselibm): Document.
4704 * target.h (expand_library_builtin): New target hook.
4705 * builtins.c (expand_builtin): Use expand_library_builtin.
4706 (default_expand_library_builtin): New function.
4707 * gcc.c (LINK_GCC_MATH_SPEC): Define.
4708 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
4709 (link_gcc_math_spec): Declare.
4710 (static_specs): Add link_gcc_math_spec.
4711 * expr.h (default_expand_library_builtin): Declare.
4712 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4713 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
4714 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
4715 * config/i386/i386.opt (msselibm): New target option.
4716 * config/i386/i386.c (ix86_builtin_function_variants): New array.
4717 (ix86_init_sse_abi_builtins): New function.
4718 (ix86_expand_library_builtin): Likewise.
4719 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4720 (override_options): Handle error conditions wrt -msselibm.
4721 (ix86_builtins): Add function codes for SSE2 ABI builtins.
4722 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
4723 * doc/extend.texi (__builtin_sse2_*): Document new target specific
4726 2006-01-31 Richard Guenther <rguenther@suse.de>
4727 Paolo Bonzini <bonzini@gnu.org>
4729 * doc/install.texi (--disable-libgcc-math): Document.
4731 2006-01-30 Marcin Dalecki <martin@dalecki.de>
4733 * expr.h (expand_normal): new inline function.
4734 * builtins.c: use it, use EXPAND_NORMAL explicitely.
4736 * dwarf2out.c: use it.
4741 * config/sparc/sparc.c: use it.
4742 * config/i386/i386.c: use it.
4743 * config/rs6000/rs6000.c: use it.
4744 * config/arm/arm.c: use it.
4745 * config/mips/mips.c: use it.
4746 * stmt.c: use it, use EXPAND_NORMAL explicitely.
4748 2006-01-30 Roger Sayle <roger@eyesopen.com>
4750 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
4751 argv to the appropriate type.
4753 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
4755 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
4758 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
4761 * config/s390/s390.c (struct machine_function): New flag
4762 decomposed_literal_pool_addresses_ok_p.
4763 (s390_reorg): Set it before final stage of literal pool transforms.
4764 (s390_decompose_address): Only accept displacements of the form
4765 (minus (label_ref ...) (label_ref ...)) if that flag is set.
4767 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
4769 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
4770 the comparison routine return.
4772 2006-01-30 Michael Matz <matz@suse.de>
4774 * global.c (find_reg): Only evict for global regs.
4775 Take n_refs into account and dump more info.
4777 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
4780 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
4781 (pragma_trap, pragma_nosave_low_regs): Likewise.
4782 (current_function_anonymous_args): Likewise.
4783 (sh_deferred_function_attributes): New variable.
4784 (sh_deferred_function_attributes_tail): Likewise.
4785 (print_operand): For '@', look up trap_exit attribute.
4786 (calc_live_regs): Look up trapa_handler attribute. For trapa
4787 handlers, save/restore fpscr, but don't do any other
4788 interrupt-specific saves.
4789 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
4790 Fix check for partially saved registers to check for SHmedia.
4791 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
4792 (sh_output_function_epilogue): Don't clear any of the removed
4794 (sh_insert_attributes): Don't check pragma_interrupt.
4795 Insert deferred attributes. Check that interrupt attribute is
4796 present for other attributes that require its presence.
4797 (sh_attribute_table): Add new attributes trapa_handler and
4799 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
4800 Don't check for pragma_interrupt. Don't store argument.
4801 * sh.h (pragma_interrupt, sp_switch): Don't declare.
4802 (sh_deferred_function_attributes): Declare.
4803 (sh_deferred_function_attributes_tail): Likewise.
4804 * sh.md (sp_switch_1): Add operand. Change generator caller.
4805 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
4806 (*return_i): Don't use when trap_exit attribute is in effect.
4807 (*return_trapa): New insn pattern.
4809 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
4810 setting c_target_objs and cxx_target_objs.
4811 * t-sh: Add rule for sh-c.o.
4813 2006-01-30 Richard Guenther <rguenther@suse.de>
4816 * gimplify.c (gimplify_target_expr): Handle easy cases
4817 without creating a temporary.
4819 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
4821 * vec.h (safe_grow): Remove duplicated line.
4823 2006-01-29 Diego Novillo <dnovillo@redhat.com>
4826 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
4827 (expand_omp): ... here.
4828 (expand_omp_parallel): Only remove barriers for combined
4829 parallel+workshare constructs.
4831 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
4835 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
4836 * tree.c (build_qualified_type): Chain the new type to the original
4837 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
4838 a POINTER_TYPE or a REFERENCE_TYPE respectively.
4839 (build_pointer_type_for_mode): Only return unqualified types.
4840 (build_reference_type_for_mode): Likewise.
4842 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
4844 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
4845 * Makefile.in (CXX_COMPAT_WARN): Define.
4846 * configure: Regenerate.
4848 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
4851 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
4854 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
4856 * toplev.c: Fix thinko.
4858 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
4859 Marcin Dalecki <martin@dalecki.de>
4861 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
4862 (push_srcloc): Use XNEW.
4863 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
4865 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
4867 * df-core.c (df_set_blocks): Deleted all variable.
4869 2006-01-28 Ian Lance Taylor <ian@airs.com>
4871 * cgraphunit.c (cgraph_assemble_pending_functions): Call
4872 cgraph_output_pending_asms.
4874 2006-01-28 Zack Weinberg <zackw@panix.com>
4876 * c.opt: Add -W(no-)overlength-strings.
4877 * doc/invoke.texi: Document it.
4878 * c-opts.c (c_common_handle_option): -pedantic implies
4879 -Woverlength-strings, if not explicitly disabled already.
4880 (c_common_post_options): -Woverlength-strings defaults to off, and
4881 is always off for C++.
4882 * c-common.c (fix_string_type): Issue warning about strings longer
4883 than is portable only if warn_overlength_strings. Rearrange code
4884 a little for clarity.
4885 * configure.in: Check for -Wno-overlength-strings as well before
4886 enabling -pedantic in stage 1.
4887 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
4888 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
4890 * genconditions.c (write_header, write_one_condition)
4891 (write_conditions, write_writer): Consolidate very long strings
4892 that were broken up to fit in C89 portable limit. Don't use
4893 printf when fputs will do.
4895 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
4897 * combine.c (simplify_comparison <AND>): Check
4898 TRULY_NOOP_TRUNCATION before start using a subreg.
4900 * config/mips/mips.md (*branch_zero<mode>,
4901 *branch_zero<mode>_inverted, *branch_equality<mode>,
4902 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
4903 Remove mode check from comparisons.
4905 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
4907 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
4909 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
4911 * expmed.c (const_mult_add_overflow_p): Remove.
4912 * expr.h: Remove the prototype for const_mult_add_overflow_p.
4914 * recog.c (validate_replace_rtx_subexp): Remove.
4915 * recog.h: Remove the prototype for
4916 validate_replace_rtx_subexp.
4918 * integrate.h: Remove the prototype for
4919 copy_decl_for_inlining.
4920 * rtl.h: Remove the prototype for mark_constant_function.
4921 * tree-vectorizer.h: Remove the prototype for
4922 vect_strip_conversion.
4924 * modulo-sched.c (create_partial_schedule,
4925 free_partial_schedule, reset_partial_schedule): Make them
4928 * hooks.c (hook_bool_rtx_int_false): Remove.
4929 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
4931 2006-01-28 David Edelsohn <edelsohn@gnu.org>
4933 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
4934 and -mlong-double-128 are incompatible.
4935 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
4936 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
4937 (TARGET_LIBGCC2_CFLAGS): Define.
4938 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
4939 (TARGET_LIBGCC2_CFLAGS): Same.
4940 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
4942 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
4945 * c-typeck.c (build_binary_op): Perform implicit casts of
4946 operands before shortening them.
4948 * cfgloopmanip.c (split_loop_bb): Remove.
4949 * cfgloop.h: Remove the prototype for split_loop_bb.
4951 * cfgloop.c (flow_loop_outside_edge_p): Remove.
4952 * cfgloop.h: Remove the prototype for
4953 flow_loop_outside_edge_p.
4955 * emit-rtl.c (init_virtual_regs): Make it static.
4956 * function.h: Remove the prototype for init_virtual_regs.
4958 * recog.c (peephole2_optimize): Make it static.
4959 * recog.h: Remove the prototype for peephole2_optimize.
4961 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
4963 * df-scan.c (df_record_entry_block_defs): Check if
4964 INCOMING_RETURN_ADDR_RTX is defined.
4966 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
4967 Kenneth Zadeck <zadeck@naturalbridge.com>
4969 PR rtl-optimization/24762
4970 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
4971 * targhooks.c (hook_void_bitmap): New hook prototype.
4972 * targhoohs.h (hook_void_bitmap): Ditto.
4973 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
4974 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
4975 * target.h (live_on_entry): New function pointer.
4976 * df-scan.c (df_all_hard_regs): Removed.
4977 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
4978 (df_scan_free_internal): Added df->entry_block_defs.
4979 (df_scan_alloc): Ditto.
4980 (df_scan_dump): Ditto.
4981 (df_uses_record): Plumbed flag field properly thru calls.
4982 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
4983 This part fixes PR24762.
4984 (df_bb_refs_record): Added code to make the frame and arg
4985 pointers live in EH blocks.
4986 (df_refs_record): Added call to df_record_entry_block_defs.
4987 (df_record_entry_block_defs): New function.
4988 * df-core.c: Added comments to describe new artifical defs.
4989 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
4990 (entry_block_defs): New field in struct df.
4991 (df_all_hard_regs): Deleted.
4992 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
4993 * df-problems.c (df_ru_bb_local_compute_process_def):
4994 Added code to handle artifical defs in the entry to a function.
4995 (df_ru_bb_local_compute): Ditto.
4996 (df_rd_bb_local_compute_process_def): Ditto.
4997 (df_rd_bb_local_compute): Ditto.
4998 (df_lr_bb_local_compute): Ditto.
4999 (df_ur_bb_local_compute): Ditto.
5000 (df_urec_bb_local_compute): Ditto.
5001 (df_chain_create_bb): Ditto.
5002 (df_ur_local_finalize): Removed entry.
5003 (df_urec_init): Ditto.
5004 (df_urec_local_finalize): Ditto.
5005 (df_ri_bb_compute): Added detection of last use of pseudos.
5006 * Makefile.in (df-scan.o): Updated dependencies.
5007 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
5008 * config/mips/mips.c (mips_set_live_on_entry): Added.
5009 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
5011 * dce.c (marked_insn_p): Added code to handle artifical defs.
5013 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
5015 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
5017 (_mm_cvtsi128_si64): Likewise.
5018 (_mm_cvtsd_si64): Likewise.
5019 (_mm_cvttsd_si64): Likewise.
5020 (_mm_cvtsi64_sd): Likewise.
5021 (_mm_cvtsi64_si128): Likewise.
5022 * config/i386/mmintrin.h (_m_from_int64): Likewise.
5023 (_mm_cvtsi64_m64): Likewise.
5024 (_m_to_int64): Likewise.
5025 (_mm_cvtm64_si64): Likewise.
5026 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
5027 (_mm_cvttss_si64): Likewise.
5028 (_mm_cvtsi64_ss): Likewise.
5029 (_mm_cvtss_f32): Likewise.
5031 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
5033 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
5034 for pragma redefine_extname.
5036 2006-01-27 Jakub Jelinek <jakub@redhat.com>
5039 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
5040 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
5041 -mno-minimal-toc to previous content.
5042 (bispecs): Remove goal.
5043 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
5044 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
5045 compatibility aliases on powerpc-*-*gnu*.
5046 * config/rs6000/libgcc-ppc-glibc.ver: New file.
5047 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
5048 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
5049 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
5050 (ldblspecs): New goal.
5051 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
5052 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
5054 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
5055 L_sf_to_tf or L_df_to_tf is defined.
5057 2006-01-27 David Edelsohn <edelsohn@gnu.org>
5058 Alan Modra <amodra@bigpond.net.au>
5061 * config/rs6000/linux.h (POWERPC_LINUX): Define.
5062 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
5063 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
5064 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
5065 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
5066 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
5067 (rs6000_override_options): Initialize rs6000_ieeequad.
5068 Initialize TFmode format to ibm_extended_format if not
5070 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
5072 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
5073 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
5074 (function_arg_advance): IBM long double passed in two FPRs, not
5076 (function_arg): IBM long double passed in FPRs.
5077 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
5078 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
5079 Only multireg GPR aligned.
5080 (rs6000_init_libfuncs): Enable IBM long double functions if not
5082 (rs6000_generate_compare): Use IBM long double compare if not
5084 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
5085 (TARGET_IEEEQUAD): Define.
5086 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
5087 not TARGET_IEEEQUAD.
5088 * config/rs6000/rs6000.md: Enable TFmode patterns if
5090 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
5091 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
5092 and -mlong-double-128 are incompatible.
5093 * doc/invoke.texi (-mabi): Collect options together. Add
5094 ibmlongdouble and ieeelongdouble.
5096 2006-01-27 Richard Sandiford <richard@codesourcery.com>
5098 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
5100 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
5101 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
5102 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
5103 * rtl.h (rtunion_def): Remove rt_ptr.
5105 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
5106 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
5107 * config/i386/winnt.c (i386_pe_mark_dllexport)
5108 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
5110 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
5112 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
5114 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
5118 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
5119 pthread_key_delete. From John David Anglin. gthrw-ify
5120 pthread_getunique_np only if it it's not a macro. Delete
5122 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
5123 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
5124 __gthread_objc_condition_signal, __gthread_key_delete): Add
5125 "__attribute__ ((__unused__))" to unused arguments.
5126 (__gthread_recursive_mutex_init_function): Add missing return.
5127 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
5128 gthr-posix95.h: Use macro-based approach for name redirection
5129 on targets missing weakref.
5131 2006-01-26 Zack Weinberg <zackw@panix.com>
5133 * genconditions.c (write_header): In generated code, #ifdef out
5134 all includes and fake declarations, except includes of bconfig.h
5135 and system.h, unless GCC_VERSION >= 3001. Do not include
5136 gensupport.h in any case.
5137 (write_conditions): Generate a definition of struct c_test. Add
5138 a comment to the generated #endif.
5139 (write_one_condition): Escape backslashes in string too.
5140 (write_writer): Generated code must escape backslashes and quote
5141 marks (but not newlines) in the strings it writes.
5142 * Makefile.in (build/gencondmd.o): Update dependencies.
5144 2006-01-26 Steve Ellcey <sje@cup.hp.com>
5147 * Makefile.in (insn-automata.o): Add header file dependencies.
5148 * genautomata.c: Add includes.
5150 2006-01-26 Steve Ellcey <sje@cup.hp.com>
5153 * Makefile.in (insn-automata.o): Add -Wno-error flag.
5155 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
5157 * configure.ac: Expect target tools paths to be passed from the toplevel
5158 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
5160 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
5162 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
5165 * c.opt (Wpointer-sign): Init to -1.
5166 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
5167 OPT_pedantic, to 0 otherwise.
5168 * doc/invoke.texi: Update.
5170 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
5172 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
5173 constants provided by 80387 instructions in the destination mode.
5175 2006-01-26 Richard Guenther <rguenther@suse.de>
5176 Andrew Pinski <pinskia@physics.uc.edu>
5179 partial PR tree-opt/17064
5180 * tree-ssa-structalias.c (intra_create_variable_infos):
5181 Create heap variables for incoming parameters if
5182 flag_argument_noalias > 1.
5183 (find_what_p_points_to): Look through default defs of
5186 2006-01-26 Jeff Law <law@redhat.com>
5189 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
5190 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
5191 within the VR_RANGE, use the VR_RANGE as the result, not the
5193 (adjust_range_with_scev): Reject ranges from SCEV which are out of
5194 bounds for the type.
5196 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
5198 * tree-ssa-alias.c (maybe_create_global_var): Change
5199 subvar walking to an assertion that we don't have subvar'd variables.
5201 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
5204 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
5205 Use a new variable, inner. PARM_DECLs are always non-weak.
5207 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
5209 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
5212 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
5214 * config/mips/mips.md (*clear_upper32): New combiner pattern.
5216 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
5218 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
5219 (smax_insn, smin_insn, smax_0, smin_0): New.
5221 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
5224 * config/cris/cris.c (cris_order_for_addsi3): New function.
5225 * config/cris/cris-protos.h: Prototype it.
5226 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
5227 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
5228 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
5229 (split for "op.S1 [rx=rx+i],ry (swapped)")
5230 (split for "op(s|u).S1 [rx=rx+i],ry")
5231 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
5232 Apply cris_order_for_addsi3 when generating addsi3 insns.
5234 2006-01-25 Diego Novillo <dnovillo@redhat.com>
5236 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
5237 (TREE_BLOCK): Add call to EXPR_CHECK.
5239 2006-01-25 Diego Novillo <dnovillo@redhat.com>
5242 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
5243 * tree-pretty-print.c (dump_omp_clause): Extract from ...
5244 (dump_omp_clauses): ... here.
5245 (dump_generic_node): Handle OMP_CLAUSE.
5246 * tree.c (omp_clause_num_ops): New.
5247 (omp_clause_code_name): New.
5248 (tree_code_size): Handle OMP_CLAUSE.
5249 (tree_size): Likewise.
5250 (make_node): Document handling of OMP_CLAUSE.
5251 (tree_node_structure): Handle OMP_CLAUSE.
5252 (omp_clause_check_failed): New.
5253 (omp_clause_range_check_failed): New.
5254 (omp_clause_operand_check_failed): New.
5255 (build_omp_clause): New.
5256 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
5257 * tree.h (enum omp_clause_code): Declare.
5258 (OMP_CLAUSE_SUBCODE_CHECK): Define.
5259 (OMP_CLAUSE_RANGE_CHECK): Define.
5260 (OMP_CLAUSE_ELT_CHECK): Define.
5261 (omp_clause_check_failed): Declare.
5262 (omp_clause_operand_check_failed): Declare.
5263 (omp_clause_range_check_failed): Declare.
5264 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
5265 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
5266 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
5267 (OMP_CLAUSE_LASTPRIVATE): Likewise.
5268 (OMP_CLAUSE_IF_EXPR): Likewise.
5269 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
5270 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
5271 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
5272 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
5273 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
5274 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
5275 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
5276 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
5277 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
5278 (OMP_CLAUSE_CODE): Define.
5279 (OMP_CLAUSE_SET_CODE): Define.
5280 (OMP_CLAUSE_CODE): Define.
5281 (OMP_CLAUSE_OPERAND): Define.
5282 (struct tree_omp_clause): Declare.
5283 (union tree_node): Add field 'omp_clause'.
5284 * treestruct.def (TS_OMP_CLAUSE): Define.
5285 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
5286 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
5287 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
5288 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
5289 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
5290 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
5291 (OMP_CLAUSE): Define.
5292 * print-tree.c (print_node): Handle OMP_CLAUSE.
5293 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
5294 * c-typeck.c: Likewise.
5295 * gimplify.c: Likewise.
5296 * c-omp.c: Likewise.
5297 * tree-nested.c: Likewise.
5298 * tree-inline.c: Likewise.
5299 * c-parser.c: Likewise.
5300 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
5303 2006-01-25 Roger Sayle <roger@eyesopen.com>
5305 PR rtl-optimization/25703
5306 * combine.c (try_combine): Handle zero_extract and strict_low_part
5307 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
5309 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
5311 * global.c: Fix comment typos.
5313 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
5316 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
5317 Use output_addr_const instead of assemble_name.
5319 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
5321 * Makefile.in (sched-vis.o): Update dependencies.
5322 * haifa-sched.c (sched_finish): Clear current_sched_info.
5323 * cfg.c (dump_bb_info): New, split from dump_flow_info.
5324 (dump_flow_info): Call it.
5325 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
5327 * basic-block.h (dump_bb_info): Declare.
5328 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
5329 option, and apply options only for dump files whose TDF_RTL,
5330 TDF_TREE, or TDF_IPA bits match.
5331 * rtl.h: Declare new functions exported from sched-vis.c.
5332 * sched-vis.c: Enable also if scheduling is not used.
5333 (print_value): Print the mode of registers if not inside scheduling.
5334 (print_insn): Make it work outside the scheduler. Beautify the output
5336 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
5338 2006-01-25 Richard Sandiford <richard@codesourcery.com>
5340 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
5341 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
5342 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
5343 depending on the value of CONSTANT_POOL_ADDRESS_P.
5344 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
5346 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
5347 rather than SYMBOL_REF_DECL.
5348 (rtx_constant_pool): Remove const_rtx_sym_htab.
5349 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
5350 (init_varasm_status): Don't initialize const_rtx_sym_htab.
5351 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
5352 Remove handling of const_rtx_sym_htab.
5353 (find_pool_constant): Delete.
5354 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
5355 rather than find_pool_constant.
5356 (get_pool_constant_for_function): Delete.
5357 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
5359 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
5360 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
5361 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
5362 (SYMBOL_REF_CONSTANT): New macro.
5363 (get_pool_constant_for_function): Delete.
5364 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
5365 rather than SYMBOL_REF_DECL.
5366 (i386_pe_mark_dllimport): Likewise.
5367 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
5368 rather than SYMBOL_REF_DECL.
5369 * config/darwin.c (machopic_indirect_data_reference): Likewise.
5370 (machopic_indirect_call_target): Likewise.
5372 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
5374 * flow.c (delete_noop_moves): Add missing EOL to dump message.
5376 2006-01-25 Richard Sandiford <richard@codesourcery.com>
5378 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
5380 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
5382 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
5384 2006-01-24 David Daney <ddaney@avtrex.com>
5387 * configure.ac (enable_tls): New enable option.
5388 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
5389 * configure: Regenerate.
5390 * doc/install.texi (--enable-tls): Document new option.
5391 (--disable-tls): Ditto.
5393 2006-01-24 Richard Henderson <rth@redehat.com>
5395 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
5396 * alias.c (true_dependence): Respect it.
5397 (canon_true_dependence, write_dependence_p): Likewise.
5398 * builtins.c (get_builtin_sync_mem): Set it.
5400 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
5402 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
5405 2006-01-24 DJ Delorie <dj@redhat.com>
5407 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
5408 for storing constants in single-bit bitfields.
5410 2006-01-25 Ben Elliston <bje@au.ibm.com>
5412 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
5414 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
5417 * tree-ssa-pre.c (phi_translate): Return NULL
5418 for AGGREGATE_TYPE's.
5420 2006-01-24 Zack Weinberg <zackw@panix.com>
5422 * genautomata.c (process_state_for_insn_equiv_partition):
5423 Use xcalloc for insn_arcs_array.
5424 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
5425 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
5427 2006-01-24 Richard Henderson <rth@redhat.com>
5429 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
5432 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
5434 PR rtl-optimization/25890
5435 PR rtl-optimization/25905
5436 * combine.c (expand_compound_operation, expand_field_assignment):
5437 Fail if the bitfield's final position is out of bounds.
5439 2006-01-24 Ian Lance Taylor <ian@airs.com>
5442 * cgraphunit.c (cgraph_output_in_order): Don't clear
5443 cgraph_asm_nodes until after asm strings have been output.
5445 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
5447 * fix-header.c (read_scan_file): Add new parameter imultilib when
5448 calling register_include_chains.
5450 2006-01-23 Diego Novillo <dnovillo@redhat.com>
5452 * omp-low.c: Update documentation.
5454 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
5455 Daniel Berlin <dberlin@dberlin.org>
5459 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
5460 return from the function.
5462 2006-01-22 Zack Weinberg <zackw@panix.com>
5464 * rtl.def (match_code): Add second argument.
5465 * genpreds.c (write_extract_subexp): New function.
5466 (write_match_code): Add path argument. Use write_extract_subexp.
5467 (write_predicate_expr): Pass path to write_match_code.
5468 (mark_mode_tests): MATCH_CODE applied to a subexpression does
5469 not perform a mode test.
5470 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
5471 a subexpression does not constrain the top-level code set.
5472 * read-rtl.c (read_rtx_variadic): New function.
5473 (read_rtx_1): Use it; allow AND and IOR to be variadic.
5474 * doc/md.texi: Document new notation.
5475 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
5476 (cmpsi_operand): ... here, using new notation.
5478 2006-01-22 Zack Weinberg <zackw@panix.com>
5480 * varray.c: Remove GENERATOR_FILE #ifdefs.
5482 2006-01-22 Zack Weinberg <zackw@panix.com>
5484 * genautomata.c (output_reserved_units_table): Emit nothing if
5485 description->query_units_num is zero. Remove extra blank line.
5486 (output_cpu_unit_reservation_p): Short circuit
5487 if description->query_units_num is zero.
5489 2006-01-22 Zack Weinberg <zackw@panix.com>
5491 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
5492 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
5493 nor any of the random handful of variables that used to be necessary
5494 when this program was linked with rtlanal.o. Prune set of forward
5495 function declarations.
5496 (struct attr_desc): Remove static_p field.
5497 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
5498 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
5499 (attr_string): Do not read the character one past the length of
5501 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
5502 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
5503 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
5504 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
5505 (make_automaton_attrs): New.
5506 (main): Do not call into genautomata. Call local gen_bypass
5507 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
5508 Remove special case for insn_alts.
5509 * genautomata.c: Include gensupport.h; not genattrtab.h nor
5510 varray.h (leftover from previous change). Prune set of forward
5511 function declarations. Remove state_alts fields from all
5512 structures. Remove state_alts_table from struct automaton.
5513 Make everything except main static. Do not maintain num_dfa_decls.
5514 Do not maintain state_alts fields of various structures.
5515 (process_decls): Don't validate condexp for dm_insn_reserv decls.
5516 (add_arc): Remove state_alts argument. All callers updated.
5517 (output_reserved_units_table): Emit #ifdef here...
5518 (output_tables): ...not here. Don't generate state_alts tables.
5519 (expand_automata): Don't generate attributes.
5520 (write_automata): Don't generate state_alts functions.
5521 (main): New function.
5522 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
5523 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
5524 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
5525 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
5526 (BYPASS_P_FUNC_NAME, output_state_alts_table)
5527 (output_automata_list_state_alts_code, output_internal_state_alts_func)
5528 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
5529 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
5531 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
5532 * genattrtab.h: Delete file.
5533 * Makefile.in (OBJS-common): Add insn-automata.o.
5534 (insn-automata.o): New rule.
5535 (simple_generated_c): Add insn-automata.c.
5536 (build/genattrtab.o, build/genautomata.o): Update dependencies.
5537 (genprogmd): Add automata.
5538 (build/genattrtab): Needs no extra objects nor libraries.
5539 (build/genautomata): Needs build/vec.o and -lm.
5541 2006-01-22 Zack Weinberg <zackw@panix.com>
5543 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
5544 (output_dfa_max_issue_rate, locked_states_num): Delete.
5545 (struct automaton): Add locked_states field.
5546 (output_dead_lock_vect): Save number of locked states in
5547 automaton->locked_states. If it is zero, don't print anything.
5548 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
5549 (output_internal_dead_lock_func): Only test the dead_lock_vect
5550 for automata that have locked states.
5551 (output_statistics): Always print the number of locked states for
5552 each automaton. Calculate total number of locked states here.
5553 (write_automata): Don't call output_dfa_max_issue_rate.
5554 * genattrtab.c: Define length_unit_log as a const variable.
5555 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
5556 max_insn_queue_index const.
5557 * final.c (length_unit_log): Declare const.
5558 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
5560 2006-01-22 Zack Weinberg <zackw@panix.com>
5562 * genautomata.c: Include vec.h, not varray.h.
5563 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
5564 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
5565 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
5566 VEC_* macros operating on appropriately typed vectors, or to
5567 malloced arrays when the size is known in advance. Const-ify
5568 many char* variables and function arguments. No functional changes.
5569 * Makefile.in (build/varray.o): Delete rule.
5570 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
5571 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
5573 2006-01-22 Zack Weinberg <zackw@panix.com>
5575 * gensupport.c: Define get_insn_name and record_insn_name here.
5576 (read_md_rtx): Call record_insn_name as appropriate.
5577 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
5578 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
5579 * genpreds.c, genrecog.c: Don't define get_insn_name nor
5581 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
5582 (BUILD_VARRAY): Delete.
5583 (genprognormal): Rename genprogmd. Fold in all programs from
5584 genprognoprint; also attrtab.
5585 (build/genattrtab): Just mention genautomata.o and varray.o.
5586 Reorganize a bit, add comments to make the categories clearer.
5588 2006-01-22 Zack Weinberg <zackw@panix.com>
5590 * genconditions.c (condition_table, add_condition): Delete.
5591 (write_conditions): Don't emit n_insn_conditions nor
5592 insn_elision_unavailable. Issue the gcc version #ifdef here,
5593 inside the table, with no #else clause ...
5594 (write_header): ...not here.
5595 (write_writer): New function.
5596 (main): Don't initialize condition_table. Use add_c_test.
5598 * gensupport.c (init_md_reader_args_cb): Handle multiple input
5599 files on the command line.
5600 (maybe_eval_c_test): Don't check insn_elision_unavailable.
5601 Return -1 if there is no entry in the table, don't abort.
5602 (add_c_test, traverse_c_tests): New functions.
5603 * gensupport.h (insn_elision_unavailable, insn_conditions)
5604 (n_insn_conditions): Delete declarations.
5605 (add_c_test, traverse_c_tests): Declare.
5606 * read-rtl.c: Include gensupport.h.
5607 (read_conditions): New function.
5608 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
5609 (read_rtx_1): If we get EOF when we were looking for an initial
5610 open paren, return 0. Call read_conditions when appropriate.
5611 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
5612 dummy-conditions.o. Eliminate references to insn-conditions.o,
5613 or change them to build/gencondmd.o, as appropriate. Remove
5614 insn-constants.h from $(simple_generated_h) and insn-conditions.c
5615 from $(simple_generated_c). For all files remaining in those
5616 two lists, add insn-conditions.md to the generator command line.
5617 Give insn-constants.h/s-constants their own rules. Add rules
5618 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
5619 (build/read-rtl.o): Depend on gensupport.h.
5620 (genprognormal): Include preds.
5621 (genprogearly): Rename genprognoprint; only difference is now that
5622 they don't link with $(BUILD_PRINT).
5623 * dummy-conditions.c: Delete.
5625 2006-01-22 Zack Weinberg <zackw@panix.com>
5627 * genextract.c: Don't include insn-config.h. Do include vec.h.
5628 Declare vectors of int, char, and locstr.
5629 (locstr): New typedef.
5630 (struct extraction): Make all array fields into bare pointers.
5631 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
5632 (insn_code_number): Delete.
5633 (accum_extract): New struct.
5634 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
5635 (gen_insn): Take insn_code_number as an argument. Use an
5636 accum_extract structure instead of loading data directly into
5637 a struct extraction, and having to know how big it might get.
5638 (walk_rtx): Operate entirely on an accum_extract structure.
5639 (print_path): Avoid unnecessary use of printf.
5640 (print_header): New function, split out of main. Distinguish
5641 more carefully between an unrecognizable insn and an insn that
5642 has the code number of a define_expand.
5643 (main): Pass insn_code_number to gen_insn. Call print_header
5644 only after parsing. Avoid unnecessary use of printf.
5645 * Makefile.in (build/vec.o): New rule.
5646 (build/genextract): Depend on build/vec.o.
5647 (build/genextract.o): Don't depend on insn-config.h.
5649 2006-01-22 Zack Weinberg <zackw@panix.com>
5651 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
5652 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
5653 practical. Eliminate per-generator-program link rules.
5655 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
5658 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
5659 with a call expr to ...
5660 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
5662 2006-01-23 Richard Guenther <rguenther@suse.de>
5664 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
5665 before make_edge with conditional EDGE_TRUE_VALUE.
5667 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
5668 Jan Hubicka <jh@suse.cz>
5669 Richard Guenther <rguenther@suse.de>
5671 PR rtl-optimization/25654
5672 * cfgexpand.c (aggregate_contains_union_type): New function.
5673 (add_alias_set_conflicts): Call it. Make sure to add conflicts
5674 for structure variables that contain a union type.
5676 2006-01-23 Richard Sandiford <richard@codesourcery.com>
5678 * gengtype.c (new_structure): Return the structure.
5679 (create_option): Add an extra "next" argument.
5680 (create_field): New function.
5681 (adjust_field_rtx_def): Use create_option and create_field.
5682 Remove a now-unnecessary call to find_structure.
5683 (adjust_field_tree_def): Likewise.
5684 (note_yacc_type): Remove an unnecessary call to find_structure.
5685 * gengtype.h (new_structure): Return the structure.
5686 (create_option): Add an extra argument.
5687 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
5688 (option): Adjust calls to create_option.
5690 2006-01-22 David Edelsohn <edelsohn@gnu.org>
5692 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
5694 2006-01-22 Paul Brook <paul@codesourcery.com>
5695 Peter Barada <peter@the-baradas.com>
5697 * config/m68k/m68k.md: Add Coldfire FPU support.
5698 Define FP mode macro and associated attributes.
5699 Use it for float mode patterns.
5700 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
5701 (LIBCALL_VALUE): Use m68k_libcall_value.
5702 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
5703 (m68k_function_value): Ditto.
5704 (emit_move_sequence): Ditto.
5705 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
5706 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
5707 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
5708 (MULTILIB_EXCEPTIONS): Ditto.
5709 * config/m68k/m68k.opt: Add mcfv4e.
5710 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
5711 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
5712 (m68k_output_function_prologue): Save ColdFire FPU registers.
5713 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
5714 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
5715 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
5716 ColdFire FPU registers.
5717 (m68k_libcall_value, m68k_function_value): New functions.
5718 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
5719 (LIBCALL_VALUE): Use m68k_libcall_value.
5720 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
5721 (MASK_COLDFIRE): Add MASK_CFV4E.
5722 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
5723 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
5724 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
5725 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
5726 (GO_IF_LEGITIMATE_ADDRESS): Use it.
5727 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
5728 * doc/invoke.tex: Document -mcfv4e on m68k.
5730 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
5732 * doc/contribute.texi: Change CVS to SVN and update the corresponding
5735 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
5738 * c-opts.c (c_common_handle_option): Don't include
5739 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
5740 * doc/invoke.texi (C++ Dialect Options): Document that
5741 -Wnon-virtual-dtor is no longer included in -Wall.
5743 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
5745 * gcov.c (print_version), gcov-dump.c (print_version),
5746 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
5749 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
5751 * df-scan.c (problem_SCAN): Added NULL reset function.
5752 (df_scan_reset_blocks): Added code to call reset block function
5753 (df_bb_refs_delete) Fixed comment.
5754 (df_insn_refs_delete): Made tolerant of deleting non existent info
5755 for dataflow problems that need to be reset.
5756 * df-core.c (df_set_blocks): Ditto.
5757 * df.h (struct df_problem): Added reset_fun.
5758 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
5759 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
5760 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
5761 functions to clear out all references to def-use or use-def chains.
5763 2006-01-21 Ben Elliston <bje@au.ibm.com>
5765 * varasm.c (assemble_real): Initialise data array.
5767 2006-01-20 Paul Brook <paul@codesourcery.com>
5769 Merge from csl-arm-branch.
5770 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
5771 * config/arm/arm.md (movdi): Force operands[1] to a register
5772 if we have a non-register source.
5773 (*arm_movdi, *movdf_soft_insn): Require that one of the
5774 operands be a register.
5775 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
5776 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
5778 2006-01-20 DJ Delorie <dj@redhat.com>
5780 * varasm.c (initialize_constant_valid_p): Allow pointers
5781 initialized from integer constants of lesser precision.
5782 (output_constant): Allow non-int-sized pointer modes to be
5783 initialized from integer constants.
5785 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
5788 * cppdefault.h (struct default_include): Add multilib flag.
5789 * cppdefault.c (cpp_include_defaults): Set it.
5790 * c.opt (-imultilib): New option.
5791 * c-opts.c (imultilib): New.
5792 (c_common_handle_option): Handle -imultilib.
5793 (c_common_post_options): Likewise.
5794 * c-incpath.c (add_standard_paths, register_include_chains):
5796 * c-incpath.h (register_include_chains): Add extra parameter.
5797 * gcc.c (do_spec_1): Generate -imultilib option.
5798 (The Specs Language): Update %I description.
5799 (process_command): Update copyright notice.
5800 * doc/cppopts.texi (-imultilib): Document.
5801 * doc/invoke.texi (-imultilib): Include in option summary.
5802 (%I): Update specs documentation.
5804 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
5806 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
5808 2006-01-20 Richard Sandiford <richard@codesourcery.com>
5810 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
5813 2006-01-20 Richard Guenther <rguenther@suse.de>
5814 Steven Bosscher <stevenb.gcc@gmail.com>
5816 PR rtl-optimization/24626
5817 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
5818 EDGE_TRUE_VALUE if in RTL mode.
5821 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
5822 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
5824 2006-01-20 Dirk Mueller <dmueller@suse.com>
5827 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
5828 instead of a special NOP marker.
5829 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
5830 NOP marker handling.
5831 * c-common.h (empty_body_warning): Add forward declaration.
5832 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
5833 Now uses IS_EMPTY_STMT() instead of special NOP markers.
5835 2006-01-20 Paul Brook <paul@codesourcery.com>
5837 * Makefile.in (lang_checks): Keep going if mkdir fails.
5839 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
5841 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
5842 be able to clean out basic block when not necessary.
5843 (df_scan_free): Fixed to properly delete information if df is
5844 unused before calling df_finish.
5845 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
5846 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
5848 (df_bb_refs_delete): New function.
5849 (df_refs_delete): Moved per block code to df_bb_refs_delete.
5850 * df-core.c (df_set_blocks): Added code to properly clean out
5851 unused blocks if they are not part of the blocks to consider.
5852 Added additional null check.
5853 (df_compact_blocks): Added basic block parameter to free_bb_fun to
5854 be able to clean out basic block when not necessary
5855 * df.h (df_free_bb_function): Ditto.
5856 (df_bb_refs_delete): New function.
5857 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
5858 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
5859 basic block parameter to be able to clean out basic block when not
5861 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
5862 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
5863 Fixed to properly delete information if df is unused before
5866 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
5868 PR rtl-optimization/25799
5869 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
5870 Corrected confluence operator to remove bits from op2 before oring
5871 with op1 rather than removing bits from op1.
5872 (df_ru_transfer_function): Corrected test on wrong bitmap which
5873 caused infinite loop. Both of these problems were introduced in
5874 the dataflow rewrite.
5876 2006-01-19 DJ Delorie <dj@redhat.com>
5878 * reload1.c (find_reload_regs): Note the details of reload
5879 failures in the dump file.
5880 (spill_failure): Likewise.
5882 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
5884 * loop-iv.c: Include df.h and hashtab.h.
5885 (enum iv_grd_result): New enum.
5886 (DF_REF_IV, DF_REF_IV_SET): New macros.
5887 (struct biv_entry): New.
5888 (df, bivs): New global variables.
5889 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
5890 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
5892 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
5893 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
5894 analyzed_for_bivness_p, record_biv): New functions.
5895 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
5896 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
5897 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
5899 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
5901 (iv_number_of_iterations): Use new interface to iv analysis.
5902 * loop-unroll.c: Do not include varray.h.
5903 (analyze_iv_to_split_insn): Use new interface to iv
5905 * loop-unswitch.c (may_unswitch_on): Ditto.
5906 * df.c (df_bitmaps_free): Only work for bbs for that structures are
5908 (df_bb_modify): Realloc tables to the new index.
5909 (df_find_use): New function.
5910 * df.h (df_find_use): Declare.
5911 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
5913 * cfgloop.h (struct rtx_iv): Remove analysed field.
5914 (iv_get_reaching_def): Removed.
5915 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
5916 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
5917 (loop-iv.o): Add df.h and hashtab.h dependency.
5918 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
5920 2006-01-20 Alan Modra <amodra@bigpond.net.au>
5923 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
5925 (__floatundisf, __floatundidf): Likewise.
5926 * libgcc2.h (IS_IBM_EXTENDED): Define.
5928 2006-01-19 DJ Delorie <dj@redhat.com>
5930 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
5932 2006-01-19 Paul Brook <paul@codesourcery.com>
5934 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
5935 as nothrow when unwinding tables are disabled.
5937 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5940 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
5941 of bit-field" when in system header.
5943 2006-01-19 DJ Delorie <dj@redhat.com>
5945 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
5946 the 16 bit shift limit of the m16c.
5948 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
5951 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
5952 * config/i386/i386.c (output_set_got): Output the label if we have one
5953 for the TARGET_DEEP_BRANCH_PREDICTION case.
5955 2006-01-19 Jan Hubicka <jh@suse.cz>
5956 H.J. Lu <hongjiu.lu@intel.com>
5957 Evandro Menezes <evandro.menezes@amd.com>
5959 * invoke.texi (generic): Document
5961 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
5962 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
5963 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
5964 (x86_use_incdec, x86_pad_returns): New variables
5965 (TARGET_CPU_DEFAULT_generic): New constant
5966 (TARGET_CPU_DEFAULT_NAMES): Add generic.
5967 (enum processor_type): Add generic32 and generic64.
5968 * i386.md (cpu attribute): Add generic32/generic64
5969 (movhi splitter): Behave sanely when both partial_reg_dependency and
5970 partial_reg_stall are set.
5971 (K8 splitters): Enable for generic as well.
5972 * predicates.md (incdec_operand): Use TARGET_INCDEC
5973 (aligned_operand): Avoid memory mismatch stalls.
5974 * athlon.md: Enable for generic64, new patterns for 128bit moves.
5975 * ppro.md: Enable for generic32
5976 * i386.c (generic64_cost, generic32_cost): New.
5977 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
5978 (x86_use_leave): Enable for generic64. (x86_use_sahf,
5979 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
5980 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
5981 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
5982 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
5983 x86_partial_reg_dependency, x86_memory_mismatch_stall,
5984 x86_accumulate_outgoing_args, x86_prologue_using_move,
5985 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
5986 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
5988 (x86_use_incdec, x86_pad_returns): New.
5989 (override_options): Add generic32 and generic64, translate "generic"
5990 to generic32/generic64 and "i686" to "generic32", refuse
5991 "generic32"/"generic64" as arch target.
5992 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
5993 (ix86_reorg): Honor PAD_RETURNS.
5995 2006-01-19 Diego Novillo <dnovillo@redhat.com>
5997 * tree-pretty-print.c (dump_generic_node): Handle
5998 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
5999 * cgraph.c (cgraph_expand_queue): Rename from
6000 cgraph_analyze_queue. Update all users.
6001 * cgraphunit.c (cgraph_assemble_pending_functions): Process
6002 cgraph_expand_queue.
6003 (cgraph_expand_all_functions): Likewise.
6004 (cgraph_finalize_pending_functions): Remove. Update callers.
6006 * tree.h (OMP_DIRECTIVE_P): Define.
6007 (OMP_PARALLEL_FN): Define.
6008 (OMP_PARALLEL_DATA_ARG): Define.
6009 (OMP_SECTIONS_SECTIONS): Define.
6010 * tree-pass.h (pass_expand_omp): Declare.
6011 * omp-low.c (struct omp_region): Declare.
6012 (struct omp_context): Remove fields 'parallel_type',
6013 'parallel_start_ix' and 'parallel_start_additional_args'.
6015 (struct omp_for_data): Rename from struct expand_omp_for_data.
6016 (omp_regions): New static variable.
6017 (root_omp_region): New static variable.
6018 (find_omp_clause): Make static.
6019 (is_in_combined_parallel_ctx): Remove.
6020 (is_combined_parallel): New.
6021 (extract_omp_for_data): Move earlier in the file.
6022 (workshare_safe_to_combine_p): New.
6023 (get_ws_args_for): New.
6024 (determine_parallel_type): Move earlier in the file.
6025 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
6027 (omp_copy_decl): Likewise.
6028 (create_omp_child_function): Likewise.
6029 (lookup_omp_region): New.
6030 (dump_omp_region): New.
6031 (debug_omp_region): New.
6032 (debug_all_omp_regions): New.
6033 (new_omp_region): New.
6034 (scan_omp_parallel): If parallel_nesting_level > 1, the
6035 directive is nested within another parallel directive.
6036 Set OMP_PARALLEL_FN.
6037 (scan_omp_for): Do not try to handle combined parallel+for
6039 Remove FIXME comment.
6040 (scan_omp_nested): Remove.
6041 (scan_omp_1): Do not call scan_omp_nested when
6042 parallel_nesting_level is > 1.
6043 Do not change the DECL_CONTEXT of local variables found.
6044 (lookup_decl_in_outer_ctx): New.
6045 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
6046 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
6047 (lower_reduction_clauses): Rename from expand_reduction_clauses.
6048 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
6049 If CTX is nested, lookup VAR in the outer context when
6050 building copy assignment.
6051 (lower_send_clauses): Rename from expand_send_clauses.
6052 If CTX is nested, lookup VAR in the outer context when
6053 building copy assignments.
6054 (lower_send_shared_vars): Rename from expand_send_shared_vars.
6055 If CTX is nested, lookup VAR in the outer context when
6056 building copy assignments.
6057 (expand_parallel_call): Rename from build_parallel_call.
6058 Handle combined parallel+workshare cases.
6059 Re-implement to emit code into the CFG.
6061 (expand_omp_parallel): Re-implement to emit code into the CFG.
6062 Call move_sese_region_to_fn to outline the sub-graph
6063 containing the parallel region.
6064 (expand_omp_for_1): Remove.
6065 (expand_omp_for_generic): Re-implement to emit code into the
6067 (expand_omp_for_static_nochunk): Likewise.
6068 (expand_omp_for_static_chunk): Likewise.
6069 (expand_omp_for): Likewise.
6070 (expand_omp_sections): Likewise.
6071 (remove_exit_barriers): New.
6072 (expand_omp_synch): New.
6074 (build_omp_regions_1): New.
6075 (build_omp_regions): New.
6076 (execute_expand_omp): New.
6077 (gate_expand_omp): New.
6078 (pass_expand_omp): Define.
6079 (lower_omp_sections): Rename from expand_omp_sections.
6080 Set OMP_SECTIONS_SECTIONS.
6081 (lower_omp_single_simple): Rename from expand_omp_single_simple.
6082 (lower_omp_single_copy): Rename from expand_omp_single_copy.
6083 (lower_omp_single): Rename from expand_omp_simple.
6084 (lower_omp_master): Rename from expand_omp_master.
6085 (lower_omp_ordered): Rename from expand_omp_ordered.
6086 (lower_omp_critical): Rename from expand_omp_critical.
6087 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
6088 (lower_omp_for): Re-implement.
6089 (lower_omp_parallel): Re-implement.
6090 (lower_regimplify): Rename from expand_regimplify.
6091 (lower_omp_1): Rename from expand_omp_1.
6092 If there are syntax errors in the program, replace every
6093 OpenMP directive with NOP.
6094 Call lower_omp_* instead of expand_omp_*.
6095 (lower_omp): Rename from expand_omp.
6097 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
6098 * tree-gimple.h (enum omp_parallel_type): Remove.
6099 (gimple_boolify): Declare extern.
6100 (find_omp_clause, determine_parallel_type): Remove.
6102 * gimple-low.c (lower_omp_directive): New.
6103 (lower_stmt): Call it.
6104 (record_vars_into): Move from ...
6105 (record_vars): ... here.
6106 Call record_vars_into with current_function_decl.
6108 * gimplify.c (struct gimplify_ctx): Remove fields
6109 combined_pre_p and combined_ctxp. Update users.
6110 (get_formal_tmp_var): Add documentation.
6111 (gimple_boolify): Make extern.
6112 (gimplify_expr_in_ctx): Remove. Update callers.
6113 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
6114 will always be a BIND_EXPR.
6115 (gimplify_expr): Handle OMP_RETURN_EXPR.
6116 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
6117 (OMP_PARALLEL): Add 3 operands.
6118 (OMP_SECTIONS): Add 1 operand.
6119 (OMP_RETURN_EXPR): Define.
6121 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
6122 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
6123 * tree-iterator.c (alloc_stmt_list): Assert that we are not
6124 creating a circular free list.
6125 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
6127 * tree-flow.h (move_sese_region_to_fn): Declare.
6128 (record_vars_into): Declare.
6129 * tree-cfg.c (make_omp_sections_edges): New.
6130 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
6131 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
6132 OMP_SECTIONS and OMP_SECTION.
6133 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
6134 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
6135 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
6136 (gather_blocks_in_sese_region): New.
6137 (struct move_stmt_d): Declare.
6139 (move_block_to_fn): New.
6140 (move_sese_region_to_fn): New.
6142 * passes.c (init_optimization_passes): Schedule
6143 pass_expand_omp after pass_init_datastructures.
6145 * tree-ssa-operands.c (get_expr_operands): Handle
6146 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
6147 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
6149 2006-01-19 Jeff Law <law@redhat.com>
6151 * tree-vrp.c (extract_range_from_assert): Refine the result range
6152 if the variable referenced by the ASSERT_EXPR has a range and
6153 either the tentative result range or the previous range is a
6156 2006-01-19 Richard Sandiford <richard@codesourcery.com>
6158 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
6160 2006-01-19 Jan Hubicka <jh@suse.cz>
6162 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
6164 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
6166 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
6167 (expand_compound_operation, expand_field_assignment): Fail if the
6168 bit lengths of an extract operation are out of range.
6169 (make_extraction): Compute wanted_inner_mode based on the position
6170 and length of the extraction. Make it extraction_mode for non-constant
6171 positions, and do not modify offset in that case. When generating a
6172 new MEM, use a mode that can hold the extraction while keeping correct
6173 alignment. Remove code that supported MEMs wrapped by USEs.
6174 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
6176 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
6178 * config/s390/s390.md ("Y", "y"): New mode attribute.
6179 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
6180 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
6181 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
6182 "*addsi3_imm_cc", "*addsi3_carry1_cc",
6183 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
6184 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
6185 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
6186 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
6187 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
6188 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
6189 "addsi3", "subsi3"): Insn patterns removed.
6190 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
6191 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
6192 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
6193 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
6194 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
6195 "*sub<mode>3_cconly2"): New insn patterns.
6196 ("addsi3", "subsi3"): New expanders.
6198 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
6200 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
6201 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
6202 existing STMT_VINFO_VECTYPE if available.
6203 (vect_mark_relevant): Add special handling for stmts that are
6204 marked as STMT_VINFO_IN_PATTERN_P.
6205 (vect_analyze_loop): Call vect_pattern_recog.
6206 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
6207 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
6209 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
6210 (vect_recog_func_ptr): New function-pointer type.
6211 * tree-vect-patterns.c: New file.
6212 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
6213 (vect_recog_dot_prod_pattern, vect_pattern_recog):
6214 (vect_pattern_recog_1): New functions.
6215 (vect_pattern_recog_funcs): New array of function pointers.
6217 * tree-vectorizer.h (ternary_op): New enum value.
6218 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
6219 declaration. Revised documentation. Removed redundant dump prints.
6220 Removed redundant argument. Added support for reduction patterns.
6221 (vectorizable_reduction): Added support for reduction patterns.
6222 (vect_transform_stmt): Added support for patterns.
6224 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
6225 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
6226 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
6227 (expand_widen_pattern_expr): New function.
6228 (init_optabs): Initialize new optabs udot_prod_optab,
6230 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
6231 (sdot_prod_optab, udot_prod_optab): Define new optabs.
6232 (expand_widen_pattern_expr): New function declaration.
6233 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
6235 * tree-inline.c (estimate_num_insns_1): Added cases for new
6236 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
6237 * tree-pretty-print.c (dump_generic_node): Likewise.
6238 (op_prio): Likewise.
6239 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
6240 * tree-ssa-operands.c (get_expr_operands): Added case for
6242 * tree-vect-patterns.c (widened_name_p): New function.
6243 (vect_recog_dot_prod_pattern): Added function implementation.
6244 * tree-vect-transform.c (get_initial_def_for_reduction): Added
6245 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
6246 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
6247 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
6249 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
6250 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
6251 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
6252 (init_optabs): Initialize new optabs widen_ssum_optab,
6254 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
6255 (widen_ssum_optab, widen_usum_optab): Define new optabs.
6256 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
6257 use instead of type of def.
6258 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
6259 function implementation.
6260 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
6261 widen_ssumv8hi): New.
6263 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
6266 2006-01-19 Richard Sandiford <richard@codesourcery.com>
6269 * c-decl.c (add_flexible_array_elts_to_size): New function.
6270 (finish_decl): Use it.
6272 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
6274 * diagnostic.h: Include options.h.
6275 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
6276 dependancies for diagnostic.h.
6277 * Makefile.in (DIAGNOSTIC_H): Add options.h.
6279 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
6281 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
6282 (ssa_ro_call_cache_valid): Ditto.
6283 * tree-ssa-alias.c (sort_tags_by_id): New function.
6284 (init_transitive_clobber_worklist): Ditto.
6285 (add_to_worklist): Ditto.
6286 (mark_aliases_call_clobbered): Ditto.
6287 (compute_tag_properties): Ditto.
6288 (set_initial_properties): Ditto.
6289 (compute_call_clobbered): Ditto.
6290 (compute_may_aliases): Call compute_call_clobbered and grouping.
6291 (compute_flow_sensitive_aliasing): Remove clobbering related code.
6292 (compute_flow_insensitive_aliasing): Grouping now happens in our
6294 (setup_pointers_and_addressables): Remove clobbering related code.
6295 (add_may_alias): Ditto.
6296 (replace_may_alias): Ditto.
6297 (get_nmt_for): Ditto.
6298 (create_global_var):
6299 (is_escape_site): Return an escape_type enumeration.
6300 * tree-flow-inline.h (is_call_clobbered): Global var does not
6301 imply call clobbered.
6302 (mark_call_clobbered): Take a reason for marking this. Remove
6303 marking of globalness, and cache invalidation.
6304 (clear_call_clobbered): Remove cache invalidation code.
6305 * tree-dfa.c (dump_variable): If details is on, dump the reason
6307 * tree-outof-ssa.c (create_temp): Copy escape mask from original
6309 * tree-flow.h (struct ptr_info_def): Add escape mask member.
6310 (struct var_ann_d): Ditto.
6311 (enum escape_type): New.
6312 (mark_call_clobbered): Adjust prototype.
6313 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
6314 are never call clobbered.
6315 Record reasons for escaping.
6316 * tree-ssa-structalias.h (is_escape_site): Update prototype.
6317 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
6318 (ssa_ro_call_cache_valid): Ditto.
6319 (clobbered_v_may_defs): Ditto.
6320 (clobbered_vuses): Ditto.
6321 (ro_call_vuses): Ditto.
6322 (clobber_stats): New.
6323 (init_ssa_operands): Zero out clobber stats.
6324 (fini_ssa_operands): Print out clobber stats.
6325 (get_call_expr_operands): Pass callee fndecl to
6327 (add_call_clobber_ops): Remove use of cache.
6328 Add use of PURE_CONST information.
6329 (add_call_read_ops): Remove use of cache.
6330 Add use of static not_read information.
6332 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
6334 Introduce TLS descriptors for i386 and x86_64.
6335 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
6336 (TARGET_ANY_GNU_TLS): New macro.
6337 (enum tls_dialect): Added TLS_DIALECT_GNU2.
6338 (struct machine_function): Add tls_descriptor_call_expanded_p.
6339 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
6340 (ix86_current_function_calls_tls_descriptor): Likewise.
6341 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
6342 (override_options): Introduce gnu2 tls dialect.
6343 (ix86_frame_pointer_required): Functions containing TLSCALLs are
6345 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
6347 (legitimize_tls_address): Adjust logic for GNU2 TLS.
6348 (ix86_init_machine_status): Initialize new field.
6349 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
6350 (ix86_tls_module_base): New.
6351 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
6352 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
6353 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
6354 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
6355 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
6356 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
6357 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
6358 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
6359 * config/i386/predicates.md (tls_modbase_operand): New.
6360 (tp_or_register_operand): New.
6362 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
6364 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
6365 (look_for_address_of): Ditto.
6366 (ipa_init): Walk the function decls.
6367 (static_execute): Don't set readonly on FUNCTION_DECL's.
6369 2006-01-18 Roger Sayle <roger@eyesopen.com>
6371 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
6372 for shifts where the source and destination registers are different.
6374 2006-01-18 Paul Brook <paul@codesourcery.com>
6376 Merge from csl-arm-branch.
6377 2005-03-14 Julian Brown <julian@codesourcery.com>
6378 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
6379 (aeabi_llsl): Likewise.
6380 (ashrdi3): Likewise.
6381 (aeabi_lasr): Likewise.
6382 (lshrdi3): Likewise.
6383 (aeabi_llsr): Likewise.
6384 2005-03-10 Julian Brown <julian@codesourcery.com>
6385 * config.gcc: Disable shared libgcc for SymbianOS.
6386 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
6388 2006-01-18 DJ Delorie <dj@redhat.com>
6390 * c-pragma.c (handle_pragma_diagnostic): New.
6391 (init_pragma): Register it.
6392 * doc/extend.texi: Document it.
6394 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
6395 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
6396 (diagnostic_context): Add classify_diagnostic[].
6397 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
6398 as errors if they're overridden to DK_WARNING.
6399 (diagnostic_initialize): Initialize classify_diagnostic[].
6400 (diagnostic_set_kind_override): New.
6401 (diagnostic_report_diagnostic): Check for kind changes.
6402 * opts.c (common_handle_option): Take lang_mask. Update callers.
6404 * common.opt (Werror=): New.
6405 * doc/invoke.texi: Document -Werror=*
6407 2006-01-18 Jeff Law <law@redhat.com>
6409 * tree-vrp.c (test_for_singularity): Correct test for new
6410 min limit. Use operand_equal_p rather than pointer equality
6411 for testing if new min/max values are equal.
6413 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
6414 using range information until after propagation and folding.
6416 2006-01-18 Richard Henderson <rth@redhat.com>
6417 Aldy Hernandez <aldyh@redhat.com>
6418 Jakub Jelinek <jakub@redhat.com>
6419 Diego Novillo <dnovillo@redhat.com>
6421 * omp-low.c: New file.
6422 * c-omp.c: New file.
6424 2006-01-18 Richard Henderson <rth@redhat.com>
6425 Jakub Jelinek <jakub@redhat.com>
6426 Diego Novillo <dnovillo@redhat.com>
6428 * doc/invoke.texi: Document -fopenmp.
6429 * tree-dump.h (debug_function): Declare.
6430 * hooks.c (hook_bool_tree_bool_false): New function.
6431 (hook_tree_tree_null): Remove.
6432 (hook_tree_tree_tree_null): New.
6433 * hooks.h: Update to match.
6434 * tree-pretty-print.c (debug_tree_chain): New.
6435 (print_generic_expr): Handle TDF_CHAIN.
6436 (dump_generic_node): Handle BLOCK.
6437 Do not abort with incomplete SWITCH_EXPRs.
6438 Do not dump body of an OpenMP directive if TDF_SLIM is given.
6439 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
6440 print space after directive name.
6441 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
6442 Handle OMP_MASTER and OMP_ORDERED.
6443 Handle printing of OMP_BODY just in one place, goto
6444 dump_omp_body in the rest of OMP_* nodes that have
6446 Don't handle clause nodes here. Update omp statements to
6447 use dump_omp_clauses.
6448 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
6449 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
6450 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
6451 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
6452 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
6453 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
6454 Adjust output for GOMP_PARALLEL.
6455 (dump_omp_clauses): New.
6456 (print_declaration): Dump DECL_VALUE_EXPR.
6457 (op_symbol_1): Split out of op_symbol.
6458 (dumping_stmts): Remove. Update all users.
6459 * cgraph.c (cgraph_analyze_queue): New.
6460 (cgraph_add_new_function): New.
6461 * cgraph.h (cgraph_analyze_queue): Declare.
6462 (cgraph_add_new_function): Declare.
6463 (cgraph_lower_function): Remove.
6464 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
6465 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
6466 and TYPE_P nodes in its default clause.
6467 (empty_body_p): New.
6468 (tree_range_check_failed): New.
6470 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
6471 OMP_CLAUSE_REDUCTION_MERGE,
6472 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
6473 OMP_CLAUSE_PRIVATE_DEBUG,
6474 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
6475 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
6476 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
6477 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
6478 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
6479 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
6480 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
6481 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
6482 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
6483 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
6484 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
6485 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
6486 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
6487 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
6488 (TREE_RANGE_CHECK): New.
6489 (empty_body_p): Declare.
6490 (enum omp_clause_default_kind): New.
6491 (build_string_literal): Declare.
6492 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
6493 (build5_stat, build5): Declare.
6494 * tree-pass.h (TDF_CHAIN): Define.
6495 * tree-pass.h (PROP_gimple_lomp): Define.
6496 (pass_lower_omp): Declare.
6497 * diagnostic.h (debug_tree_chain): Declare.
6498 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
6500 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
6501 * builtins.c (build_string_literal): Make extern.
6502 * gcc.c (include_spec_function): New.
6503 (static_spec_functions): Add it.
6504 (main): Move load of libgomp.spec ...
6505 (LINK_COMMAND_SPEC): ... here.
6506 (link_gomp_spec): New.
6507 (static_specs): Include it.
6508 (LINK_COMMAND_SPEC): Add link_gomp.
6509 (GOMP_SELF_SPECS): New.
6510 (driver_self_specs): Include it.
6511 (switch_matches): Don't mark inline.
6512 (main): Load libgomp.spec.
6513 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
6514 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
6515 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
6516 * tree-gimple.h (enum omp_parallel): Declare.
6517 (determine_parallel_type): Declare.
6518 (omp_firstprivatize_variable): Declare.
6519 (omp_reduction_init): Declare.
6520 (diagnose_omp_structured_block_errors): Declare.
6521 (struct walk_stmt_info): Add want_return_expr.
6522 (struct walk_stmt_info): Add want_bind_expr, want_locations.
6523 (find_omp_clause): Declare.
6524 (insert_field_into_struct): Declare.
6525 (struct walk_stmt_info): Move from tree-nested.c
6526 (walk_stmts): Declare.
6527 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
6529 * cgraphunit.c (cgraph_lower_function): Make static.
6530 (cgraph_finalize_pending_functions): New.
6531 (cgraph_finalize_function): Call it.
6532 (cgraph_finalize_compilation_unit): Likewise.
6533 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
6534 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
6535 (BT_FN_UINT_UINT): New.
6536 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
6537 DEF_FUNCTION_TYPE_VAR_4): Document.
6538 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
6539 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
6540 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
6541 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
6542 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
6543 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
6544 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
6545 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
6546 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
6547 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
6548 into separate files.
6549 (DEF_GOMP_BUILTIN): New.
6550 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
6551 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
6552 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
6553 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
6554 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
6555 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
6556 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
6557 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
6558 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
6559 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
6560 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
6561 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
6562 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
6563 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
6564 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
6565 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
6566 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
6567 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
6568 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
6569 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
6570 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
6571 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
6572 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
6573 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
6574 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
6575 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
6576 * sync-builtins.def: New file, moved from builtins.def.
6577 * omp-builtins.def: New file, moved from builtins.def.
6578 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
6579 * gimple-low.c (lower_function_body): Clear data.
6580 (lower_stmt): Do not handle COMPOUND_EXPR.
6581 Remove call to print_node_brief.
6582 * c-tree.h (c_finish_omp_clauses): New prototype.
6583 (C_DECL_THREADPRIVATE_P): Define.
6584 (lookup_name_no_remap, c_omp_remap_private): Remove
6585 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
6586 (check_for_loop_decls): Update decl.
6587 (lookup_name_no_remap, c_omp_remap_private): Declare.
6588 (build_indirect_ref, build_modify_expr, pushdecl,
6589 pushdecl_top_level): Move to c-common.h.
6590 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
6591 before the switch, but just in the 2 places that need it.
6592 * c-decl.c (diagnose_mismatched_decls): Do not check for
6593 mismatched thread-local attributes when OLDDECL is marked
6594 threadprivate and NEWDECL has no thread-local attributes.
6595 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
6596 (c_gimple_diagnostics_recursively): Rename from
6597 c_warn_unused_result_recursively. Invoke
6598 diagnose_omp_structured_block_errors.
6599 (check_for_loop_decls): Return a singular decl found.
6600 * langhooks.c (lhd_omp_predetermined_sharing): Return
6601 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
6602 (lhd_omp_firstprivatize_type_sizes): New.
6603 (lhd_omp_assignment): New.
6604 (lhd_omp_predetermined_sharing): New.
6605 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
6606 (struct lang_hooks_for_types): Add
6607 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
6608 omp_predetermined_sharing, omp_disregard_value_expr,
6609 omp_private_debug_clause, omp_clause_default_ctor,
6610 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
6611 (c_finish_omp_clauses): New.
6612 (c_finish_bc_stmt): Diagnose break within omp for.
6613 (c_begin_omp_parallel, c_finish_omp_parallel): New.
6614 (build_unary_op): Return error_mark after reporting
6616 (build_modify_expr): Likewise.
6617 * gimplify.c: Include optabs.h and pointer-set.h.
6618 (enum gimplify_omp_var_data): Declare.
6619 (struct gimplify_omp_ctx): Declare.
6620 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
6622 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
6623 (push_gimplify_context, pop_gimplify_context): Allow nesting.
6624 (splay_tree_compare_decl_uid): New.
6625 (new_omp_context): New.
6626 (delete_omp_context): New.
6627 (gimple_add_tmp_var): Call omp_add_variable.
6628 (gimplify_bind_expr): Likewise.
6629 (gimplify_var_or_parm_decl): If omp_notice_variable returned
6630 true, disregard DECL_VALUE_EXPR on the decl if any.
6631 (gimplify_expr_in_ctx): New.
6632 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
6633 omp_add_variable, omp_notice_variable, omp_is_private
6634 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
6635 gimplify_adjust_omp_clauses, gimplify_omp_parallel
6636 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
6637 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
6638 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
6639 gimplify_omp_atomic): New.
6640 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
6641 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
6642 OMP_CRITICAL and OMP_ATOMIC.
6643 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
6644 * c-pragma.h (enum pragma_kind): Add
6645 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
6646 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
6647 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
6648 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
6649 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
6650 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
6651 PRAGMA_OMP_THREADPRIVATE.
6652 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
6653 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
6654 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
6655 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
6656 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
6657 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
6658 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
6659 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
6660 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
6661 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
6662 * tree-ssa-dce.c (find_control_dependence): Do not assume that
6663 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
6664 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
6666 (struct nesting_info): Add field_map,
6667 suppress_expansion, debug_var_chain.
6668 (create_nesting_tree): Initialize them.
6669 (lookup_field_for_decl): Use field_map.
6670 (get_nonlocal_debug_decl, get_local_debug_decl): New.
6671 (convert_local_omp_clauses): New.
6672 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
6673 (walk_body): Split out of walk_function.
6674 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
6675 (convert_nonlocal_reference): Handle omp statements.
6676 (convert_local_reference): Likewise.
6677 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
6678 (unnest_nesting_tree): New.
6679 (lower_nested_functions): Call it.
6680 (insert_field_into_struct): Make extern.
6681 (struct walk_stmt_info): Move to tree-gimple.h.
6682 (walk_stmts): Make extern.
6683 * omp-builtins.def: New file.
6684 * tree-iterator.c (expr_only): Clarify comment.
6685 * c-common.h (pushdecl_top_level, pushdecl,
6686 build_modify_expr, build_indirect_ref,
6687 c_finish_omp_master, c_finish_omp_critical,
6688 c_finish_omp_ordered, c_finish_omp_barrier,
6689 c_finish_omp_atomic, c_finish_omp_flush,
6690 c_finish_omp_for, c_split_parallel_clauses,
6691 omp_clause_default_kind, c_omp_sharing_predetermined,
6692 c_omp_remap_decl): Declare.
6693 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
6694 (OBJS-common): Add omp-low.o.
6695 (c-omp.o, omp-low.o): Add.
6696 (gimplify.o): Add dependency on $(OPTABS_H).
6697 (GTFILES): Add omp-low.c.
6698 (gt-stringpool.h): Add.
6699 * tree-cfg.c (set_bb_for_stmt): Do not update the
6700 block-to-labels map if we are currently expanding to RTL.
6701 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
6703 Handle IDENTIFIER_NODE.
6704 (tree_verify_flow_info): Do not ICE when emitting error
6705 messages about invalid labels.
6706 (dump_function_to_file): Reset CFUN before emitting the body
6708 (debug_function): New.
6709 * passes.c (init_optimization_passes): Schedule
6711 * langhooks-def.h (lhd_omp_predetermined_sharing,
6712 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
6714 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
6715 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
6716 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
6717 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
6718 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
6719 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
6720 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
6721 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
6722 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
6723 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
6724 (LANG_HOOK_DECLS): Use them.
6726 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
6727 Richard Henderson <rth@redhat.com>
6728 Jakub Jelinek <jakub@redhat.com>
6729 Diego Novillo <dnovillo@redhat.com>
6731 * c-parser.c (pragma_omp_clause): Define.
6732 (c_parser_declaration_or_fndef): Document OpenMP syntax.
6733 (c_parser_compound_statement): Likewise.
6734 (c_parser_statement): Likewise.
6735 (c_parser_pragma): Handle omp pragmas.
6736 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
6737 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
6738 (c_parser_omp_clause_name, check_no_duplicate_clause,
6739 c_parser_omp_variable_list,
6740 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
6741 c_parser_omp_clause_copyprivate,
6742 c_parser_omp_clause_default,
6743 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
6744 c_parser_omp_clause_lastprivate,
6745 c_parser_omp_clause_nowait,
6746 c_parser_omp_clause_num_threads,
6747 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
6748 c_parser_omp_clause_reduction,
6749 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
6750 c_parser_omp_all_clauses, c_parser_omp_structured_block,
6751 c_parser_omp_atomic, c_parser_omp_barrier,
6752 c_parser_omp_critical, c_parser_omp_flush,
6753 c_parser_omp_for_loop, c_parser_omp_for,
6754 c_parser_omp_master, c_parser_omp_ordered,
6755 c_parser_omp_sections_scope, c_parser_omp_sections,
6756 c_parser_omp_parallel, c_parser_omp_single,
6757 c_parser_omp_construct, c_parser_omp_threadprivate): New.
6758 * c-pragma.c (init_pragma): Do omp pragma registration here.
6759 * c.opt (fopenmp): New flag.
6761 2006-01-18 Eric Christopher <echristo@apple.com>
6763 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
6764 * config/darwin.h (GOMP_SELF_SPECS): Define.
6766 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
6768 * rtl.h: Remove the prototype for reg_alloc.
6770 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6773 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
6774 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
6775 sjlj and dwarf2 exception handling.
6776 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
6777 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
6778 * pa/pa.c (function_value): Treat complex and vector types as
6780 (function_arg): Likewise. Only pass scalar floats in the floating
6781 point argument registers.
6782 * pa/t-slibgcc-dwarf-ver: New file.
6783 * pa/t-slibgcc-sjlj-ver: New file.
6784 * pa/t-slibgcc-elf-ver: Delete file.
6786 2006-01-19 Alan Modra <amodra@bigpond.net.au>
6788 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
6789 unlikely_test_section_p test.
6791 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
6793 * mode-switching.c (optimize_mode_switching): Make it static.
6794 * basic-block.h: Remove the prototype for
6795 optimize_mode_switching.
6797 * modulo-sched.c (sms_schedule): Make it static.
6798 * rtl.h: Remove the prototype for sms_schedule.
6800 * postreload-gcse.c (gcse_after_reload_main): Make it static.
6801 * rtl.h: Remove the prototype for gcse_after_reload_main.
6803 * reg-stack.c (reg_to_stack): Make it static.
6804 * rtl.h: Remove the prototype for reg_to_stack.
6806 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
6808 * rtl.h: Remove the prototypes for regrename_optimize and
6809 copyprop_hardreg_forward.
6811 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
6813 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
6814 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
6815 Test against the appropriate null constant for the mode.
6816 If 'fixup_overlap' is true, swap the operands if they overlap.
6817 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
6818 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
6819 alpha_split_tmode_pair and adjust for above change.
6820 * config/alpha/alpha.md (movtf_internal): Adjust call to
6821 alpha_split_tfmode_pair and rely on it to swap the operands.
6822 (movti_internal): New insn and post-reload splitter.
6823 (movti): New expander.
6825 2006-01-18 Philippe De Muyter <phdm@macqel.be>
6827 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
6830 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
6832 * rtlanal.c (global_reg_mentioned_p_1,
6833 global_reg_mentioned_p): Remove.
6834 * rtl.h: Remove the prototype for global_reg_mentioned_p.
6836 * flow.c (initialize_uninitialized_subregs): Make it static.
6837 * rtl.h: Remove the prototype for
6838 initialize_uninitialized_subregs.
6840 * function.c (instantiate_virtual_regs): Make it static.
6841 * function.h: Remove the prototype for
6842 instantiate_virtual_regs.
6844 * regmove.c (regmove_optimize, combine_stack_adjustments):
6846 * rtl.h: Remove the prototypes for regmove_optimize and
6847 combine_stack_adjustments.
6849 2006-01-17 Roger Sayle <roger@eyesopen.com>
6851 * config/i386/i386.c (COSTS_N_BYTES): New macro.
6852 (size_cost): Encode costs in bytes so that a reg-reg addition is
6853 equivalent to COSTS_N_INSNS(1).
6854 (override_options): Use the size_cost.branch_cost as the default
6855 ix86_branch_cost when optimizing for size.
6857 2006-01-18 Ben Elliston <bje@au.ibm.com>
6859 * Makefile.in (D32PBIT_FUNCS): New.
6860 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
6861 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
6862 D64PBIT_FUNCS and D128PBIT_FUNCS.
6863 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
6864 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
6866 (decnumber_dep): Define.
6867 * doc/libgcc.texi (Decimal float library routines): New node.
6868 * config/dfp-bit.h, config/dfp-bit.c: New files.
6870 2006-01-18 Ben Elliston <bje@au.ibm.com>
6872 * expr.c (emit_move_change_mode): Always adjust addresses, not
6873 just during reload. Copy replacements only during reload.
6874 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
6875 emit_move_via_integer.
6877 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
6879 * Makefile.in (check-%, check-consistency): Use $${srcdir}
6880 instead of $(srcdir) and ${srcdir}.
6882 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
6886 * arm.h (struct machine_function): Add pic_reg.
6887 * arm.c (arm_pic_register): Make unsigned.
6888 (arm_override_options): Only set arm_pic_register if
6889 TARGET_SINGLE_PIC_BASE.
6890 (use_return_insn): Only test for a pic register if it is fixed.
6891 (arm_compute_save_reg0_reg12_mask): Likewise.
6892 (thumb_compute_save_reg_mask): Likewise.
6893 (legitimate_pic_operand): Factor out some known invariants.
6894 (legitimize_pic_address): If we don't have a fixed pic register,
6895 then set up a pseudo in the function entry sequence. Handle the
6896 pic base being in a pseudo.
6897 (arm_load_pic_register): Handle the pic register being in a pseudo.
6898 (arm_expand_prologue): Only set up the pic register if it is fixed.
6899 (thumb_expand_prologue): Likewise.
6900 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
6901 (pic_load_addr_based_insn): Likewise.
6902 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
6905 2006-01-18 Ben Elliston <bje@au.ibm.com>
6907 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
6908 decimal float modes for all floating point registers.
6910 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
6911 match_code "mem" with match_test "macho_lo_sum_memory_operand".
6913 2006-01-17 Jakub Jelinek <jakub@redhat.com>
6916 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
6917 even when the pointer is not NULL.
6919 2006-01-16 Ian Lance Taylor <ian@airs.com>
6921 * common.opt (ftoplevel-reorder): New option.
6922 * cgraph.c (cgraph_asm_nodes): New global variable.
6923 (cgraph_asm_last_node): New static variable.
6924 (cgraph_order): New global variable.
6925 (cgraph_create_node): Set new order field.
6926 (cgraph_varpool_node): Likewise.
6927 (decide_is_variable_needed): Return true if not
6928 flag_toplevel_reorder.
6929 (cgraph_add_asm_node): New function.
6930 * cgraph.h (struct cgraph_node): Add order field.
6931 (struct cgraph_varpool_node): Add order field.
6932 (struct cgraph_asm_node): Define.
6933 (cgraph_asm_nodes, cgraph_order): Declare.
6934 (cgraph_add_asm_node): Declare.
6935 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
6937 (cgraph_varpool_assemble_pending_decls): Call it.
6938 (cgraph_output_pending_asms): New static function.
6939 (cgraph_finalize_compilation_unit): Call it.
6940 (struct cgraph_order_sort): Define.
6941 (cgraph_output_in_order): New static function.
6942 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
6943 !flag_toplevel_reorder case.
6944 * c-parser.c: Include "cgraph.h".
6945 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
6947 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
6948 than -fno-unit-at-a-time.
6949 * doc/invoke.texi (Option Summary): Mention
6950 -fno-toplevel-reorder.
6951 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
6952 -funit-at-a-time documentation.
6954 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
6955 Kazu Hirata <kazu@codesourcery.com>
6957 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
6959 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
6961 * Makefile.in (FUNCTION_H): New. Use it instead of
6962 function.h throughout the file.
6963 * function.h: Include tree.h.
6965 2006-01-17 Ben Elliston <bje@au.ibm.com>
6967 * recog.c: Separate some functions with whitespace.
6969 2006-01-16 Richard Henderson <rth@redhat.com>
6971 Merge from gomp branch:
6972 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
6973 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
6974 and rename from struct inline_data. Rename callee* to dst*;
6975 caller* to src*; add copy_decl hook, transform_call_graph_edges,
6976 transform_new_cfg, transform_return_to_modify, and
6977 transform_lang_insert_block flags; remove cloning_p, versioning_p,
6979 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
6980 (copy_decl_for_dup): Remove.
6981 * tree-inline.c (struct inline_data): Move to header.
6982 (insert_decl_map): Export.
6983 (remap_decl): Update for member name changes. Use copy_decl hook.
6984 Allow for replacement to be a non-decl. Remove dead code.
6985 (remap_type_1): Check for existing mapping.
6986 (remap_type): Export.
6987 (remap_decls): Update for member name changes.
6988 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
6989 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
6990 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
6991 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
6992 (tree_function_versioning, build_duplicate_type): Likewise.
6993 (copy_body_r): Likewise. Export.
6994 (copy_decl_for_dup): Split into ...
6995 (copy_decl_for_dup_finish, copy_decl_to_var,
6996 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
6997 (replace_ref_tree, inlining_p): Remove.
6999 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7001 * ifcvt.c (if_convert): Make it static.
7002 * rtl.h: Remove the prototype for if_convert.
7004 * local-alloc.c (local_alloc): Make it static.
7005 * rtl.h: Remove the prototype for local_alloc.
7007 * loop.c (loop_optimize): Make it static.
7008 * cfgloop.h: Remove the prototype for loop_optimize.
7011 2006-01-16 DJ Delorie <dj@redhat.com>
7013 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
7016 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7018 * pa.md: Disparage copies between general and floating-point registers
7019 in 32-bit move patterns.
7021 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
7024 * Makefile.in (check-%): Depend on site.exp instead of
7025 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
7028 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7030 * global.c (global_alloc): Make it static.
7031 * rtl.h: Remove the prototype for global_alloc.
7033 2006-01-16 Richard Guenther <rguenther@suse.de>
7035 * tree-ssa-alias.c (struct used_part): Add write_only field.
7036 (get_or_create_used_part_for): Initialize it to true.
7037 (create_overlap_variables_for): Don't create structure variables
7038 for structures that only are written to.
7039 (find_used_portions): Handle MODIFY_EXPR to track whether a
7040 structure is only written to.
7042 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7044 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
7046 * basic-block.h: Remove the prototype for
7047 partition_hot_cold_basic_blocks.
7049 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
7051 * cppspec.c (lang_specific_spec_functions): Remove.
7052 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
7053 * gcc.h (lang_specific_spec_functions): Remove.
7054 * gccspec.c (lang_specific_spec_functions): Remove.
7056 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
7058 * combine.c (record_value_for_reg): Invalidate registers
7060 (record_dead_and_set_regs_1): Likewise, by passing them to
7061 record_value_for_reg.
7062 (record_dead_and_set_regs): Invalidate stores made by a
7063 call. We do not combine across a call, but we still
7064 relied on equivalences.
7066 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
7068 * tree-vrp.c (extract_range_from_binary_expr): Cope with
7069 vrp_int_const_binop returning non-constant nodes.
7071 2006-01-16 Paul Brook <paul@codesourcery.com>
7073 * config/m68k/m68k.c (output_move_const_into_data_reg):
7074 Output correct mnemonic for mvz and mvs.
7076 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
7078 * rtl-factoring.c: Add sequence abstraction algorithm.
7079 * cfgcleanup.c (outgoing_edges_match): Extra checks.
7080 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
7082 (block_has_preserve_label): New function.
7083 * common.opt: Register new pass.
7084 * Makefile.in: Ditto.
7086 * timevar.def: Ditto.
7087 * tree-pass.h: Ditto.
7088 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
7089 * rtl.h (make_jump_insn_raw): Add forward decl.
7090 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
7092 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
7093 Roger Sayle <roger@eyesopen.com>
7095 * fold-const.c (fold_minmax): New static function.
7096 (fold_binary) <MIN_EXPR>: Call it.
7097 <MAX_EXPR>: Likewise.
7098 * stor-layout.c (place_field): Use DECL_SIZE consistently
7099 in the computation of the new record size.
7101 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7103 * cse.c (cse_condition_code_reg): Make it static.
7104 * rtl.h: Remove the prototype for cse_condition_code_reg.
7106 * combine.c (combine_instructions): Make it static.
7107 * rtl.h: Remove the prototype for combine_instructions.
7109 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7112 * tree.c (get_file_function_name_long): Concatenate the first global
7113 object name with a string derived from the input filename of the object
7116 2006-01-16 Ben Elliston <bje@au.ibm.com>
7118 * config/i386/winnt-stubs.c: Update FSF address.
7119 * config/xtensa/ieee754-df.S: Ditto.
7120 * config/xtensa/ieee754-sf.S: Ditto.
7122 2006-01-14 Ian Lance Taylor <ian@airs.com>
7124 * ifcvt.c (noce_init_if_info): New static function, broken out of
7125 noce_process_if_block.
7126 (noce_process_if_block): Call noce_init_if_info.
7127 (check_cond_move_block): New static function.
7128 (cond_move_process_if_block): New static function.
7129 (process_if_block): Call cond_move_process_if_block.
7131 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
7133 * cselib.c (hash_table): Rename to cselib_hash_table.
7134 (cselib_clear_table, discard_useless_values,
7135 remove_useless_values, cselib_lookup_mem, cselib_lookup,
7136 cselib_init, cselib_finish): Adjust uses of hash_table.
7138 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
7140 PR tree-optimization/25485
7141 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
7142 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
7143 is known to be false and true, respectively.
7145 2006-01-14 Richard Guenther <rguenther@suse.de>
7147 PR tree-optimization/22548
7148 PR tree-optimization/22555
7149 PR tree-optimization/22501
7150 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
7151 * params.def (salias-max-array-elements): New parameter.
7152 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
7153 * doc/invoke.texi (salias-max-array-elements): Document.
7154 * tree-flow-inline.h (var_can_have_subvars): We also handle
7156 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
7158 * tree-ssa-structalias.c (params.h): Include.
7159 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
7160 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
7161 (get_constraint_for): For ADDR_EXPR operating on something
7162 containing an ARRAY_REF, add all subvars to the solution.
7163 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
7164 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
7165 for creating MUST_DEFs.
7166 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
7168 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
7170 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
7172 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
7173 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7174 number_of_iterations_le): New functions.
7175 (number_of_iterations_special): Removed.
7176 (number_of_iterations_exit): Do not use number_of_iterations_special.
7177 * tree.c (unsigned_type_for): Always return integer type.
7179 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
7180 Richard Guenther <rguenther@suse.de>
7182 PR rtl-optimization/24257
7183 * gcse.c (find_moveable_store): Only consider a store movable
7184 when the SET_SRC of the insn can be assigned to a register.
7186 2006-01-14 Ian Lance Taylor <ian@airs.com>
7188 * tree.c (tree_not_class_check_failed): New function.
7189 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
7190 (tree_not_class_check_failed): Declare.
7192 2006-01-13 Ian Lance Taylor <ian@airs.com>
7194 * reload1.c (do_output_reload): Add assertion rejecting a
7197 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
7199 * combine.c (struct reg_stat): Add new fields truncation_label and
7201 (record_value_for_reg): Reset truncated_to_mode.
7202 (record_truncated_value): New function.
7203 (check_promoted_subreg): Call it. Rename to check_conversions.
7204 (combine_instructions): Rename check_promoted_subreg to
7206 (reg_truncated_to_mode): New function.
7207 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
7208 (gen_lowpart_or_truncate): New function.
7209 (force_to_mode): Use it instead of gen_lowpart.
7211 2006-01-13 Diego Novillo <dnovillo@redhat.com>
7213 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
7214 VAR is a tag, not its type tag.
7216 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
7218 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
7219 alternatives to match style of other entries.
7220 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
7222 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
7224 PR tree-optimization/25771
7225 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
7228 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
7231 * tree-inline.c (declare_return_variable): If the return variable
7232 was marked as a non gimple complex, set the return slot variable
7233 to be a non gimple comple variable.
7235 2006-01-13 Richard Guenther <rguenther@suse.de>
7237 * builtins.c (expand_builtin_sincos): New function.
7238 (expand_builtin_mathfn_3): Remove dead code, sin and cos
7240 (expand_builtin): Expand sincos using expand_builtin_sincos.
7242 2006-01-12 DJ Delorie <dj@redhat.com>
7244 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
7245 shift counts, separate SI shifts for m32c vs m16c, pass shift type
7246 so that constant shifts can be split.
7247 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
7248 (m32c_valid_pointer_mode): Make static.
7249 (shift_gen_func_for): New.
7250 (m32c_prepare_shift): Use it. Split large const shifts into
7252 * config/m32c/predicates.md (shiftcount_operand): Allow more
7254 (longshiftcount_operand): New.
7255 * doc/md.texi (Machine Constraints): Document In6.
7257 2006-01-13 Ben Elliston <bje@au.ibm.com>
7259 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
7260 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
7263 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
7265 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
7266 to try to avoid clobbering pieces of structures when we know
7267 something about the whole structure.
7268 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
7270 2006-01-13 Ben Elliston <bje@au.ibm.com>
7272 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
7273 return in memory, as this is no limitation is no longer present.
7275 2006-01-12 DJ Delorie <dj@redhat.com>
7277 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
7278 mova with fb, and for fb+0 -> An.
7280 * config/m32c/mov.md (peephole2): Fix enabling logic.
7282 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
7283 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
7284 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
7285 FINI_ARRAY_SECTION_ASM_OP): Define.
7287 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
7289 (m32c_legitimize_reload_address): New logic to reload FB to An.
7290 (m32c_output_reg_push): Add newline.
7291 (m32c_output_reg_pop): Likewise.
7293 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
7295 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
7297 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
7299 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
7301 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7303 * config/sh/predicates.md (sh_rep_vec): Add parallel to
7306 2006-01-11 Ben Elliston <bje@au.ibm.com>
7308 * rtlanal.c (find_reg_note): Assert insn is not null.
7310 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
7312 * df-scan.c (df_hard_reg_init): Move declaration of i outside
7315 2006-01-11 Jeff Law <law@redhat.com>
7317 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
7319 (mark_threaded_blocks, register_jump_thread): New functions.
7320 (thread_through_all_blocks): Remove unwanted argument. No
7321 longer rely on e->aux to communicate thread target info.
7322 Call mark_threaded_blocks. Release the threaded_blocks
7323 bitmap and threaded_edges vector when complete.
7324 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
7325 (threaded_blocks): Remove.
7326 (tree_ssa_dominator_optimize): Remove initialization and
7327 finalization of threaded_blocks. Simplify call to
7328 thread_through_all_blocks.
7329 (thread_across_edge): Call register_jump_thread rather than
7330 storing thread information into e->aux.
7331 (free_all_edge_infos): Simplify now that e->aux is no longer
7332 used to communicate with thread_through_all_blocks.
7333 * tree-flow.h (thread_through_all_blocks): Update prototype.
7334 (register_jump_thread): Prototype.
7336 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7338 * df-core.c (df_compact_blocks, df_bb_replace): Use
7339 SET_BASIC_BLOCK instead of BASIC_BLOCK.
7341 2006-01-11 Richard Guenther <rguenther@suse.de>
7343 PR tree-optimization/25734
7344 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
7345 stop propagation after successful propagation to the LHS.
7347 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7349 * basic-block.h (control_flow_graph): Change the type of
7350 x_basic_block_info to VEC(basic_block,gc) *.
7351 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
7353 (SET_BASIC_BLOCK): New.
7354 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
7355 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
7356 * cfgbuild.c (find_basic_blocks): Likewise.
7357 * cfglayout.c (fixup_reorder_chain): Likewise.
7358 * cfgrtl.c (create_basic_block_structure,
7359 rtl_create_basic_block): Likewise.
7360 * ifcvt.c (find_if_case_1): Likewise.
7361 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
7364 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
7366 * Makefile.in: Removed rotted odf.c entry.
7368 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
7371 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
7372 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
7373 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
7374 output pattern modifier, not %e.
7375 * config/cris/cris.c (cris_op_str): Update comment about pattern
7377 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
7378 before falling through into...
7379 <case 'E'>: Redefined from old 'e' case.
7381 2006-01-11 Jan Hubicka <jh@suse.cz>
7384 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
7386 2006-01-11 Jan Hubicka <jh@suse.cz>
7388 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
7389 * i386.c (x86_decompose_lea): Kill.
7390 (ix86_rtx_costs): Kill.
7392 2006-01-11 Jan Hubicka <jh@suse.cz>
7394 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
7395 * cgraph.h (cgraph_node): Add inline_decl.
7396 (cgraph_insert_node_to_hashtable): Declare.
7397 (save_inline_function_body): Declare.
7398 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
7400 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
7401 (cgraph_function_versioning): Update call of tree_function_versioning.
7402 (save_inline_function_body): New function.
7403 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
7404 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
7405 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
7406 (cgraph_default_inline_p): Likewise.
7407 (cgraph_decide_inlining_incrementally): Likewise.
7408 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
7409 (copy_bb): Kill saving; do updating of clones.
7410 (copy_cfg_body): Kill saving.
7411 (initialize_inlined-parameters): Likewise.
7412 (expand_call_inline): Likewise.
7414 (tree_function_versioning): New parameter "update_clones".
7415 (inlining_p): Kill saving.
7416 * tree-inline.h (tree_function_versioning): Update prototype.
7417 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
7420 2006-01-11 Ian Lance Taylor <ian@airs.com>
7422 * combine.c (struct undo): Remove is_int. Enumify types of undos.
7423 Allow undoing set of machine mode.
7424 (do_SUBST): Use enums instead of is_int.
7425 (do_SUBST_MODE): New function.
7426 (SUBST_MODE): New macro.
7427 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
7428 reg and trying to replace reg_regno_rtx with a new register.
7429 (undo_all): Use new enums, handle undoing a PUT_MODE change.
7430 (simplify_set): Use SUBST_MODE.
7431 (distribute_notes): Remove code that tried to update reg notes
7432 for regno_reg_rtx changes.
7434 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
7436 PR tree-optimization/23109
7437 PR tree-optimization/23948
7438 PR tree-optimization/24123
7440 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
7441 * tree-cfg.c (single_noncomplex_succ): New.
7442 * tree-flow.h (single_noncomplex_succ): Declare it.
7443 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
7444 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
7445 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
7446 insert_bb, register_division_in, insert_reciprocals,
7447 replace_reciprocal, free_bb): New.
7448 (execute_cse_reciprocals_1): Rewritten.
7449 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
7450 Do not commit any edge insertion. Always compute dominators and
7451 create the allocation pool.
7452 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
7453 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
7454 * targhooks.c (default_min_divistions_for_recip_mul): New.
7455 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
7456 * passes.c (init_optimization_passes): Run recip after tree loop
7458 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
7460 2006-01-11 Danny Berlin <dberlin@dberlin.org>
7461 Kenneth Zadeck <zadeck@naturalbridge.com>
7463 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
7464 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
7465 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
7466 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
7467 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
7468 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
7469 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
7470 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
7471 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
7472 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
7473 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
7474 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
7475 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
7476 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
7477 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
7478 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
7479 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
7480 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
7481 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
7482 DF_SCAN_POST_ALLOC): New macros.
7483 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
7484 df_free_bb_function, df_local_compute_function, df_init_function,
7485 df_dataflow_function, df_confluence_function_0,
7486 df_confluence_function_n, df_transfer_function,
7487 df_finalizer_function, df_free_function, df_dump_problem_function,
7488 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
7489 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
7490 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
7491 df_urec_bb_info, ) New types.
7492 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
7494 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
7495 df_analyze_simple_change_some_blocks,
7496 df_analyze_simple_change_one_block, df_compact_blocks,
7497 df_bb_replace, df_bb_regno_last_use_find,
7498 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
7499 df_insn_regno_def_p, df_find_def, df_find_use,
7500 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
7501 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
7502 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
7503 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
7504 debug_df_chain, df_get_dependent_problem, df_chain_create,
7505 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
7506 df_grow_bb_info, df_chain_dump, df_print_bb_index,
7507 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
7508 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
7509 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
7510 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
7511 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
7512 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
7513 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
7514 df_ref_remove, df_insn_refs_delete, df_refs_delete,
7515 df_reorganize_refs, df_set_state, df_hard_reg_init,
7516 df_read_modify_subreg_p) New public functions.
7517 * df-core.c: The core dataflow solver and glue routines for rtl
7519 (df_init, df_add_problem, df_set_blocks, df_finish,
7520 df_hybrid_search_forward, df_hybrid_search_backward,
7521 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
7522 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
7523 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
7524 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
7525 df_reg_defined, df_find_use, df_reg_used, df_dump,
7526 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
7527 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
7528 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
7529 debug_df_useno, reset_df_after_reload): New functions.
7530 * df-scan.c: The scanning fuctions, once in df.c, completely
7531 rewritten so that they now fully model the functionality of
7532 register usage at the backend.
7533 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
7534 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
7535 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
7536 df_grow_insn_info, df_rescan_blocks, df_ref_create,
7537 df_get_artificial_defs, df_get_artificial_uses,
7538 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
7539 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
7540 df_refs_delete, df_reorganize_refs, df_set_state,
7541 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
7542 df_def_record_1, df_defs_record, df_uses_record,
7543 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
7544 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
7545 df_record_exit_block_uses, df_hard_reg_init): New functions.
7547 * df-problems.c: Seven concrete dataflow problems that use the
7548 scanning in df-scan.c and are solved by the engine in df-core.c.
7549 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
7550 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
7551 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
7552 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
7553 df_ru_free_bb_info, df_ru_alloc,
7554 df_ru_bb_local_compute_process_def,
7555 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
7556 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
7557 df_ru_transfer_function, df_ru_free, df_ru_dump,
7558 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
7559 df_rd_free_bb_info, df_rd_alloc,
7560 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
7561 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
7562 df_rd_transfer_function, df_rd_free, df_rd_dump,
7563 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
7564 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
7565 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
7566 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
7567 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
7568 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
7569 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
7570 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
7571 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
7572 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
7573 df_urec_mark_reg_change, df_urec_check_earlyclobber,
7574 df_urec_mark_reg_use_for_earlyclobber,
7575 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
7576 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
7577 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
7578 df_urec_dump, df_urec_add_problem, df_chain_alloc,
7579 df_chain_create_bb_process_use, df_chain_create_bb,
7580 df_chain_finalize, df_chain_free, df_chains_dump,
7581 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
7582 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
7583 df_reg_lifetime): New functions.
7584 * df.c: Deleted file.
7585 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
7586 consistent with new df api.
7587 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
7588 rest_of_handle_sms): Ditto.
7589 * web.c (unionfind_union, union_defs, entry_register, web_main):
7591 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
7592 invariant_expr_equal_p, find_defs, check_dependencies,
7593 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
7594 free_inv_motion_data, move_loop_invariants): Ditto.
7595 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
7596 Update dependencies.
7597 (odf.c): Added defective entry that was deleted later in day.
7598 * sched-deps.c (sched_analyze_1): Ditto.
7600 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
7602 * tree-ssa-operands.c (get_expr_operands): Record addressable
7603 variables directly. Do not call add_stmt_operands for CONST_DECLs
7605 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
7606 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
7608 2006-01-11 Ben Elliston <bje@au.ibm.com>
7610 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
7611 function returns true in the positive case.
7613 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7616 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
7617 for SI, DI, SF and DF modes. Add alternatives to copy between
7618 general and floating point registers to the 32-bit patterns.
7619 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
7620 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
7621 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
7622 generating 64-bit code.
7623 * config/pa/pa.c (output_move_double): Handle copies between general
7624 and floating registers.
7626 2006-01-10 Stuart Hastings <stuart@apple.com>
7628 * config/i386/i386.md (set_got): Update.
7629 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
7630 (builtin_setjmp_receiver): Mach-O support.
7631 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
7632 (GOT_SYMBOL_NAME): Define.
7633 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
7634 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
7635 * config/i386/i386.c (override_options): Revise for Darwin.
7636 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
7637 support. (darwin_x86_file_end): New. (output_set_got): Add label
7638 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
7639 * config/i386/i386-protos.h (output_set_got): Likewise.
7640 * config/darwin.c (machopic_legitimize_pic_address): Update
7643 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
7645 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
7646 when MODE isn't BLKmode.
7648 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7650 PR rtl-optimization/25367
7651 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
7653 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
7656 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
7657 for a negative bound.
7659 2006-01-10 Richard Guenther <rguenther@suse.de>
7661 * tree-ssa-structalias.c (get_constraint_for_component_ref):
7662 Never override with anything constraint.
7664 2006-01-10 Jan Beulich <jbeulich@novell.com>
7666 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
7667 256 bits when optimize_size.
7669 2006-01-10 Jan Beulich <jbeulich@novell.com>
7671 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
7673 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
7674 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
7677 2006-01-10 Ben Elliston <bje@au.ibm.com>
7679 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
7681 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
7682 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
7683 (USE_FP_FOR_ARG): Reject decimal float modes.
7684 (function_arg_advance): Likewise.
7685 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
7686 (rs6000_handle_altivec_attribute): Do not permit decimal floating
7687 point types in AltiVec vectors.
7688 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
7689 (rs6000_libcall_value): Likewise.
7691 2006-01-09 Bob Wilson <bob.wilson@acm.org>
7693 * config/xtensa/ieee754-df.S: New file.
7694 * config/xtensa/ieee754-sf.S: New file.
7695 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
7696 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
7697 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
7699 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
7701 * config/sh/predicates.md (binary_float_operator,
7702 binary_logical_operator, commutative_float_operator,
7703 equality_comparison_operator, greater_comparison_operator,
7704 less_comparison_operator, logical_operator,
7705 noncommutative_float_operator, shift_operator,
7706 symbol_ref_operand, unary_float_operator): Remove redundant
7709 2006-01-09 Jeff Law <law@redhat.com>
7711 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
7712 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
7713 now unused arguments. Callers updated.
7714 (eliminate_redundant_computations): Remove now unused arguments,
7716 (local_fold): Remove, no longer used.
7717 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
7719 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
7720 (simplify_cond): New function.
7721 (forward_propagate_into_cond): Call simplify_cond.
7723 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
7725 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
7726 (*vec_extractv2di_1_sse): New.
7728 2006-01-09 Ben Elliston <bje@au.ibm.com>
7730 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
7732 2006-01-08 Richard Guenther <rguenther@suse.de>
7734 * tree-ssa-structalias.c (get_constraint_for): Remove
7736 (get_constraint_for_component_ref): Likewise.
7737 (do_deref): Likewise.
7738 (get_constraint_for): Likewise.
7739 (do_structure_copy): Likewise.
7740 (handle_ptr_arith): Likewise.
7741 (find_func_aliases): Likewise. Remove unused need_anyoffset
7744 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
7745 Kaz Kojima <kkojima@gcc.gnu.org>
7747 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
7748 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
7749 (EXTRA_CONSTRAINT_C16): Remove.
7750 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
7751 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
7752 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
7753 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
7754 constants of SHmedia. Handle nested constant expressions of
7756 (andcosts): Fix the costs for SHmedia constants.
7757 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
7758 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
7759 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
7760 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
7761 (movv4hi_i, movv2si_i): Likewise.
7762 (movsi_const): Adjust the second operand of ior so to match with
7764 (movdi_const, movdi_const_32bit): Likewise.
7765 (movdi_const_16bit+1): Don't sign-extend LOW.
7766 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
7768 (*double_shori): Fix the split condition. Use GEN_INT instead
7769 of get_int_mode calls. Mask lower 16-bit of the argument of
7771 (sym2GOTPLT): Remove.
7772 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
7774 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
7775 instead of EXTRA_CONSTRAINT_C16.
7777 2006-01-07 Ian Lance Taylor <ian@airs.com>
7778 David Edelsohn <edelsohn@gnu.org>
7780 PR rtl-optimization/25662
7781 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
7782 for constant operands instead of simplify_gen_binary.
7783 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
7784 after trying simplify_binary_operation
7786 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
7788 * tree.c (iterative_hash_expr): Hash decls based on UID.
7790 2006-01-06 Eric Christopher <echristo@apple.com>
7792 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
7793 (TARGET_UNWIND_EMIT): Fix spelling.
7794 * target.h (gcc_target): Add except_table_label.
7795 * except.c (output_function_exception_table): Use.
7796 * varasm.c (default_emit_except_table_label): New.
7797 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
7799 (asm_out): Add here.
7800 * output.h (default_emit_except_table_label): Prototype.
7801 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
7802 * config/darwin.c (darwin_emit_except_table_label): Define.
7803 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
7805 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
7807 PR tree-optimization/18527
7808 * tree-ssa-loop-niter.c (number_of_iterations_cond,
7809 number_of_iterations_special, number_of_iterations_exit):
7810 Move base and step of an iv to a single structure. Add
7811 no_overflow flag, and use it in # of iterations analysis.
7812 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
7813 folded_casts argument.
7814 (simple_iv): Pass base and step in a structure. Set no_overflow
7816 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
7817 Evaluate expensiveness of computing # of iterations instead of
7818 the final expression.
7819 * tree-scalar-evolution.h (affine_iv): New structure.
7820 (simple_iv): Declaration changed.
7821 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
7822 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
7823 find_givs_in_stmt): Changed due to simple_iv change.
7825 2006-01-06 Jeff Law <law@redhat.com>
7828 * tree-cfg.c (bsi_replace): Rename final argument from
7829 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
7830 change (stmt -> orig_stmt).
7831 * tree-eh.c (verify_eh_throw_stmt_node): New function.
7832 (bsi_remove): Add new argument. Remove EH information
7834 (verify_eh_throw_table_statements): New function.
7835 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
7837 * tree-optimize.c (execute_free_cfg_annotations): Verify
7838 the EH throw statement table after removing annotations.
7839 * except.h (verify_eh_throw_table_statements): Prototype.
7840 * tree-flow.h (bsi_remove): Update prototype.
7841 * tree-vrp.c (remove_range_assertions): Add new argument to
7843 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
7844 * tree-complex.c (expand_complex_div_wide): Likewise.
7845 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
7846 * tree-tailcall.c (eliminate_tailcall): Likewise.
7847 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
7848 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
7849 * tree-nrv.c (tree_nrv): Likewise.
7850 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
7851 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
7852 (combine_blocks): Likewise.
7853 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
7854 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
7855 (cleanup_control_flow): Likewise.
7856 (remove_forwarder_block): Likewise.
7857 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
7858 * tree-sra.c (sra_replace): Likewise.
7859 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
7860 (forward_propagate_single_use_vars): Likewise.
7861 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
7862 * tree-inline.c (expand_call_inline): Likewise.
7863 * tree-vect-transform.c (vect_transform_loop): Likewise.
7864 * tree-outof-ssa.c (rewrite_trees): Likewise.
7865 * tree-cfg.c (make_goto_expr_edges): Likewise.
7866 (cleanup_dead_labels): Likewise.
7867 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
7868 (bsi_move_before, bsi_move_after): Likewise.
7869 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
7870 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
7872 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
7875 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
7877 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
7878 on non gimple variables. Also add checks at the top for decls and
7880 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
7882 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
7883 and IMAGPART_EXPR for creating MUST_DEFs.
7884 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
7885 and NAME_MEMORY_TAG separately from the DECLs.
7887 2006-01-06 Richard Guenther <rguenther@suse.de>
7889 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
7890 annotation, if necessary.
7891 * tree-ssa-pre.c (create_expression_by_pieces): Remove
7892 redundant calls to update_stmt.
7893 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
7896 2006-01-05 Richard Henderson <rth@redhat.com>
7898 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
7900 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
7902 * c-typeck.c: Update copyright date.
7904 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
7906 * c-typeck.c (build_c_cast): Always warn when casting
7907 from a pointer to an integer of different size, even if
7908 the node was constant.
7910 2006-01-05 Richard Guenther <rguenther@suse.de>
7912 PR tree-optimization/22555
7913 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
7914 if one structure field is an array.
7915 * tree-ssa-operands.c (get_expr_operands): Continue scanning
7916 operands even if we found a subvar, but ignore VOPs in this
7918 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
7920 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
7922 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
7925 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
7927 2006-01-05 Richard Guenther <rguenther@suse.de>
7928 Diego Novillo <dnovillo@redhat.com>
7930 * tree-pass.h (TODO_remove_unused_locals): Define.
7931 * gimple-low.c (expand_var_p, remove_useless_vars,
7932 pass_remove_useless_vars): Remove. Update all users.
7933 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
7934 (remove_unused_locals): New function.
7935 * tree-flow.h (remove_unused_locals): Declare.
7936 * passes.c (execute_todo): Call remove_unused_locals if
7937 TODO_remove_unused_locals is set.
7938 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
7939 * tree-ssa-dce.c (pass_dce): Likewise.
7940 * tree-outof-ssa.c (pass_del_ssa): Likewise.
7942 2006-01-05 Richard Guenther <rguenther@suse.de>
7944 * tree-flow.h (struct fieldoff): Decompose field to
7945 type, size and decl.
7946 * tree-ssa-alias.c (create_sft): Take type as parameter.
7947 (create_overlap_variables_for): Store type, size and decl
7948 in the fieldoff structure.
7949 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
7951 (push_fields_onto_fieldstack): Likewise.
7952 (create_variable_info_for): Likewise. Use offset for the
7953 SFT name if the decl is not available.
7955 2006-01-04 Paul Brook <paul@codesourcery.com>
7957 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
7959 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
7961 * lambda-code.c (can_put_in_inner_loop): Relax
7963 (can_put_after_inner_loop): New function.
7964 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
7965 (perfect_nestify): Change to make copies and modify uses.
7967 2006-01-04 Richard Henderson <rth@redhat.com>
7969 Merge from gomp branch:
7970 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
7971 via integer constant.
7972 (pragma_lex): Remove.
7973 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
7974 rather than parsing it.
7975 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
7976 handle_pragma_extern_prefix): Add %< %> quotes.
7977 (registered_pragmas): New.
7978 (c_register_pragma_1): New.
7979 (c_register_pragma): Use it.
7980 (c_register_pragma_with_expansion): Likewise.
7981 (c_invoke_pragma_handler): New.
7982 (init_pragma): Use cpp_register_deferred_pragma directly for
7984 * c-pragma.h (enum pragma_kind): New.
7985 (pragma_handler): New.
7986 (c_invoke_pragma_handler): Declare.
7987 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
7989 * c-common.h (c_common_pch_pragma): Update decl.
7990 * Makefile.in (c-parser.o): Update dependencies.
7991 (GTFILES): Add c-pragma.h.
7992 * c-parser.c (struct c_token): Add pragma_kind.
7993 (struct c_parser): Add in_pragma.
7994 (c_lex_one_token): Always initialize keyword and pragma_kind.
7995 Extract data for CPP_PRAGMA.
7996 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
7997 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
7998 Don't allow CPP_PRAGMA_EOL if in_pragma.
7999 (c_parser_consume_pragma): New.
8000 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
8001 (c_parser_skip_to_end_of_parameter): Likewise.
8002 (c_parser_skip_to_end_of_block_or_statement): Likewise.
8003 (c_parser_skip_to_pragma_eol): New.
8004 (c_parser_external_declaration): Handle CPP_PRAGMA.
8005 (c_parser_compound_statement_nostart): Likewise.
8006 (c_parser_statement_after_labels): Likewise.
8007 (c_parser_pragma): New.
8008 (pragma_lex): Likewise.
8009 (c_parser_pragma_pch_preprocess): New.
8010 (c_parser_new): Merge into ...
8011 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
8013 2006-01-04 Jeff Law <law@redhat.com>
8016 * tree-cfg.c (bsi_replace): Remove the original statement
8017 from the EH throw statement table.
8019 2006-01-04 Jakub Jelinek <jakub@redhat.com>
8021 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
8022 make the prototype extern "C" and add throw ().
8025 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
8026 and pos non-negative and pos + len <= 32.
8027 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
8028 drop pos + len < HOST_BITS_PER_WIDE_INT test.
8029 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
8032 * c-common.c (handle_vector_size_attribute): Reject zero vector size
8033 as well as sizes not multiple of component size.
8036 * function.c (instantiate_expr): New function.
8037 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
8038 walk its DECL_VALUE_EXPR with instantiate_expr.
8040 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
8041 DW_OP_deref{,_size} if address isn't going to be added.
8043 2006-01-04 Ben Elliston <bje@au.ibm.com>
8045 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
8046 * config/fp-bit.c: Likewise.
8048 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
8050 * dominance.c: Add comment about why we use DFS numbering
8053 2006-01-03 Jakub Jelinek <jakub@redhat.com>
8054 Richard Henderson <rth@redhat.com>
8056 Merge from gomp-branch:
8057 * varasm.c (assemble_variable): Handle thread-local COMMON data.
8058 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
8060 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
8062 PR rtl-optimization/25578
8063 * combine.c (combine_simplify_rtx, force_to_mode): Don't
8064 pass a parameter to simplify_shift_const if changing ASHIFTRT
8067 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
8069 * builtins.c (get_builtin_sync_mem): New function.
8070 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
8071 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
8072 Call get_builtin_sync_mem to generate mem rtx.
8074 2006-01-03 Richard Guenther <rguenther@suse.de>
8077 * stmt.c (add_case_node): Make sure to clear overflow flags
8080 2006-01-03 Jakub Jelinek <jakub@redhat.com>
8082 Merge from gomp-branch.
8083 * config/sparc/sync.md: New file.
8084 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
8085 UNSPECV_LDSTUB): New constants.
8086 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
8087 * config/sparc/predicates.md (memory_reg_operand): New predicate.
8088 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
8091 2006-01-03 Roger Sayle <roger@eyesopen.com>
8093 * combine.c (reg_subword_p): New predicate to test whether the
8094 destination of a set refers to a subword/piece of a register.
8095 (try_combine): Generalize the code to merge the setting of a
8096 pseudo to a constant followed by a set of a subword of that
8097 register to a constant.
8099 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
8101 * basic-block.h (control_flow_graph): Change the type of
8102 x_label_to_block_map to VEC(basic_block,gc) *.
8103 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
8104 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
8106 * tree-ssa-propagate.c (cfg_blocks): Change the type to
8107 VEC(basic_block,heap) *.
8108 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
8109 ssa_prop_fini): Adjust the uses of cfg_blocks.
8111 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
8113 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
8115 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
8116 hashing trees instead of a pointer hash.
8117 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
8118 compare for MEM_EXPR.
8120 PR rtl-optimization/25130
8121 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
8122 when comparing MEMs for GCSE
8124 2006-01-03 Ben Elliston <bje@au.ibm.com>
8126 * targhooks.h (default_decimal_float_supported_p): Declare.
8127 * targhooks.c (default_decimal_float_supported_p): Define.
8128 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
8129 `default_decimal_float_supported_p'.
8130 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
8132 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
8134 * combine.c (apply_distributive_law <SUBREG>): Check
8135 TRULY_NOOP_TRUNCATION.
8137 2006-01-02 Geoffrey Keating <geoffk@apple.com>
8139 * dwarf2out.c (have_switched_text_section): Delete.
8140 (have_multiple_function_sections): New.
8141 (have_location_lists): Make 'bool'.
8142 (add_AT_loc_list): Use 'true' not '1'.
8143 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
8144 (output_loc_list): Use have_multiple_function_sections.
8145 (output_ranges): Likewise.
8146 (dwarf2out_begin_function): Set have_multiple_function_sections if
8148 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
8149 Check function_section rather than DECL_SECTION_NAME.
8150 (dwarf2out_finish): Use have_multiple_function_sections.
8151 Don't clear have_location_lists.
8153 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
8154 Jan Hubicka <jh@suse.cz>
8156 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
8157 case of conditional jump jumping to the next instruction.
8158 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
8159 cases of conditional jump jumping to the next instruction.
8161 2006-01-02 Jan Hubicka <jh@suse.cz>
8163 * i386.c (*_cost): Add COSTS_N_INSNS.
8164 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
8166 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
8169 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
8171 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8173 * config/arm/arm.c (all_fpus): Fix comment typo.
8174 * config/darwin.c: Likewise.
8175 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
8176 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
8177 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
8179 2006-01-01 David Edelsohn <edelsohn@gnu.org>
8181 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
8182 (rs6000_split_compare_and_swapqhi): New.
8183 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
8184 (sync_compare_and_swapqhi_internal): New.
8185 * config/rs6000/rs6000-protos.h: Declare.