1 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
3 PR tree-optimization/26804
4 * tree.h (DECL_CALL_CLOBBERED): New macro.
5 (tree_decl_common): Add call_clobbered_flag.
6 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
7 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
8 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
9 (mark_non_addressable): Ditto.
10 * tree-ssa.c (verify_call_clobbered): New function.
11 (verify_alias_info): Use it.
12 * tree-pass.h (pass_reset_cc_flags): New prototype.
13 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
14 (reset_cc_flags): New function.
15 * passes.c (init_optimization_passes): Call reset_cc_flags after
16 initializing referenced_vars.
18 2006-03-25 Uros Bizjak <uros@kss-loka.si>
19 Roger Sayle <roger@eyesopen.com>
22 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
23 to 1.0 for non-real operands. Implement A / A optimization for
26 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
28 * config/i386/i386.c (size_cost): Correct the comment for
29 cost of storing fp registers.
30 (i386_cost): Likewise.
31 (i486_cost): Likewise.
32 (pentium_cost): Likewise.
33 (pentiumpro_cost): Likewise.
35 (athlon_cost): Likewise.
37 (pentium4_cost): Likewise.
38 (nocona_cost): Likewise.
39 (generic64_cost): Likewise.
40 (generic32_cost): Likewise.
42 2006-03-24 Jeff Law <law@redhat.com>
44 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
45 directly. Call mark_new_vars_to_rename slightly earlier.
47 2006-03-24 Geoffrey Keating <geoffk@apple.com>
49 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
51 (gen_compile_unit_die): Use new language types for Objective-C and
53 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
57 * config/t-darwin (crt3.o): Work around bug 26840.
58 * config/darwin-crt3.c: Rewrite.
59 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
61 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
63 * doc/invoke.texi: Document -femit-class-debug-always
64 * common.opt: Add -femit-class-debug-always.
66 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
68 * config/s390/s390.c (s390_decompose_address): Allow SImode for
69 index and base register.
70 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
71 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
72 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
74 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
76 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
77 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
78 REG_OK_FOR_BASE_P): Definitions removed.
80 2006-03-24 Jakub Jelinek <jakub@redhat.com>
83 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
84 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
85 set yet or weren't marked as local yet.
87 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
89 * regrename.c (scan_rtx_address): Initialize a variable to shut up
92 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
94 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
95 (rs6000_legitimate_small_data_p): Delete.
96 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
97 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
98 and make static. Add forward declaration. Update uses.
99 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
100 of offsettable_memref_p.
101 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
102 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
104 2006-03-24 Jeff Law <law@redhat.com>
106 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
107 around bug in immediate-use iterator.
109 2006-03-24 Alan Modra <amodra@bigpond.net.au>
112 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
113 or __LITTLE_ENDIAN__.
115 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
117 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
118 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
119 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
120 * config/sh/sh.opt (mdiv=): Amend description.
121 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
122 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
123 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
124 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
125 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
126 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
127 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
128 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
129 TARGET_DIVIDE_CALL_FP.
131 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
133 * haifa-sched.c (choose_ready): Fix type of the local variable.
134 Move local variables. Add comment.
135 (check_reg_live): Change signature. Make callable from debugger.
136 * sched-int.h (check_reg_live): Update signature.
137 * sched-ebb.c (check_reg_live): Update parameters.
138 * sched-rgn.c (check_reg_live): Ditto.
139 (region_head_or_leaf_p): Check pointer before dereferencing.
140 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
141 before reload on optimization levels below 1.
143 2006-03-23 Richard Henderson <rth@redhat.com>
145 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
149 * config/alpha/predicates.md (local_symbolic_operand): Reject
152 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
155 * tree-ssa-pre.c (create_value_expr_from): Don't reject
156 expressions which have overflowed constants.
158 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
160 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
162 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
164 * cfgloopmanip.c (create_loop_notes): Removed.
165 * final.c (final_scan_insn): Do not handle loop notes.
166 * jump.c (squeeze_notes): Ditto.
167 * cfglayout.c (skip_insns_after_block,
168 duplicate_insn_chain): Ditto.
169 * cfgcleanup.c (rest_of_handle_jump2): Do not call
171 * cfgloop.h (create_loop_notes): Declaration removed.
173 2006-03-23 Richard Sandiford <richard@codesourcery.com>
175 * varasm.c (output_constant_pool): Restore fnname and fndecl
177 (assemble_start_function): Adjust call accordingly.
178 (assemble_end_function): Likewise.
180 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
183 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
186 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
188 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
191 * system.h (ICE_EXIT_CODE): New macro.
192 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
193 (diagnostic_action_after_output): Likewise.
194 * gcc.c (fatal_ice): New function.
195 (execute): Use it instead of fatal.
196 (fancy_abort): Likewise.
197 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
199 2006-03-22 Jeff Law <law@redhat.com>
201 * loop-unroll.c (analyze_iv_to_split_insn): Handle
202 iv_analyze_result returning false.
204 2006-03-22 Jie Zhang <jie.zhang@analog.com>
206 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
208 2006-03-22 Richard Henderson <rth@redhat.com>
211 * except.c (duplicate_eh_regions_0): New.
212 (duplicate_eh_region_1): Duplicate the children of the node as
213 well as the node itself. Link them up properly.
214 (duplicate_eh_region_2): Merge into ...
215 (duplicate_eh_regions): ... here. Take copy_region argument, and
216 copy only a sub-tree if asked. Simplify copying and fixup.
217 (eh_region_outer_p): New.
218 * except.h (duplicate_eh_regions): Update decl.
219 (eh_region_outer_p): Declare.
220 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
221 (lower_omp_master): Likewise.
222 (lower_omp_ordered): Likewise.
223 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
224 (move_stmt_r): Use it to remap labels. Handle recursion vs
225 remap_decls_p properly.
226 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
227 (find_outermost_region_in_block): New.
228 (new_label_mapper): New.
229 (move_sese_region_to_fn): Copy eh information to the new function
231 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
233 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
236 2006-03-22 Richard Sandiford <richard@codesourcery.com>
238 * doc/md.texi (-mshared): Mention that -mshared code can be linked
239 into shared libraries.
241 2006-03-22 Richard Sandiford <richard@codesourcery.com>
243 * doc/md.texi: Refer to i386/constraints.md instead of
245 * config/i386/constraints.md: New file, extracted from...
246 * config/i386/predicates.md: ...here.
247 * config/i386/i386.md: Include constraints.md.
249 2006-03-21 Jason Merrill <jason@redhat.com>
251 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
254 * expr.c (init_block_move_fn): Force default visibility.
255 (init_block_clear_fn): Likewise.
256 * builtins.c (expand_builtin_fork_or_exec): Likewise.
257 * targhooks.c (default_external_stack_protect_fail): Likewise.
259 2006-03-21 Richard Sandiford <richard@codesourcery.com>
261 * config/mips/predicates.md (const_call_insn_operand): Allow direct
262 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
263 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
264 Use TARGET_OLDABI instead of !TARGET_NEWABI.
265 (loadgp): Use mips_current_loadgp_style.
266 (loadgp_noshared): New pattern.
267 (sibcall_internal): Use MIPS_CALL.
268 (sibcall_value_internal): Likewise.
269 (sibcall_value_multiple_internal): Likewise.
270 (call_internal): Likewise.
271 (call_value_internal): Likewise.
272 (call_value_multiple_internal): Likewise.
273 (call_split): Use MIPS_CALL and add an 'S' constraint.
274 (call_value_split): Likewise.
275 (call_value_multiple_split): Likewise.
276 * config/mips/mips.opt (-mabicalls): Tweak docstring.
277 (-mshared): New option.
278 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
279 (mips_current_loadgp_style): Declare.
280 * config/mips/mips.c (mips_classify_symbol): Avoid using
281 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
282 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
283 TARGET_ABSOLUTE_ABICALLS.
284 (override_options): Adjust comments. Improve the warning that is
285 issued when -mabicalls and -G are used together.
286 (mips_file_start): Remove comment.
287 (mips_current_loadgp_style): New function.
288 (mips_gnu_local_gp): New variable.
289 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
291 (mips_output_function_prologue): Use mips_current_laodgp_style.
292 (mips_expand_prologue): Call mips_emit_loadgp before emitting
293 the cprestore instruction.
294 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
295 live for TARGET_ABSOLUTE_ABICALLS.
296 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
297 (ASM_SPEC): Pass down -mshared and -mno-shared.
298 (MIPS_CALL): New macro.
299 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
301 * doc/invoke.texi (-mabicalls): Update documentation.
302 (-mshared): Document.
304 2006-03-21 Steve Ellcey <sje@cup.hp.com>
306 * config/ia64/unwind-hpux.c: New file.
307 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
309 2006-03-21 Steve Ellcey <sje@cup.hp.com>
312 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
314 2006-03-21 Jeff Law <law@redhat.com>
316 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
317 type conversions of a VR_VARYING source to a wider type.
319 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
321 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
322 tm_file on Solaris 10 and later.
323 (sparc64-*-solaris2*): Likewise.
324 (sparc-*-solaris2*): Likewise.
325 * config/sol26.h: Rename to config/sol2-6.h.
326 * config/sol2-10.h: New file.
328 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
331 * tree-ssa-pre.c (create_component_ref_by_pieces):
334 2006-03-21 Jakub Jelinek <jakub@redhat.com>
337 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
338 return it immediately.
340 2006-03-21 Michael Matz <matz@suse.de>
342 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
344 (remove_arc, add_arc): Update num_out_arcs member.
345 (set_out_arc_insns_equiv_num): Returns nothing instead of number
347 (cache_presence): New function.
348 (compare_states_for_equiv): New function.
349 (state_is_differed): Don't take number of outargs, adjust callers.
350 Use new invariant for speeding up.
351 (init_equiv_class): Create initial classes based on sorted
353 (partition_equiv_class): Don't track out_arcs_num.
354 (evaluate_equiv_classes): Call cache_presence on all states and
357 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
359 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
360 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
361 (bfin_valid_reg_p): Test for pseudos explicitly and use only
362 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
364 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
365 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
366 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
367 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
368 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
370 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
371 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
372 (REGNO_REG_CLASS): ARGP is in PREGS.
373 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
375 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
376 to deal with those addresses.
377 * addresses.h: New file.
378 * caller-save.c: Include "addresses.h".
379 (init_caller_save): Use new base_reg_class function.
380 * rtl-factoring.c: Include "addresses.h".
381 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
382 * recog.c: Include "addresses.h".
383 (preprocess_constraints): Use new base_reg_class function.
384 * regrename.c: Include "addresses.h".
385 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
386 functions. Keep track of a new var INDEX_CODE to compute valid
388 (replace_oldest_value_addr): Likewise.
389 (replace_oldest_value_mem): Use base_reg_class.
390 * reload.c: Include "addresses.h".
391 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
392 (find_reloads): Use new base_reg_class function.
393 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
394 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
395 all callers and prototype changed.
396 * reload1.c: Include "addresses.h".
397 (maybe_fix_stack_asms): Use base_reg_class.
398 * regclass.c: Include "addresses.h".
399 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
400 (init_reg_autoinc): Use new base_reg_class function.
401 (record_reg_classes): Likewise.
402 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
403 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
404 Use new args to compute necessary class.
406 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
407 regrename.o, rtl-factoring.o): Update dependencies.
408 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
409 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
410 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
411 REG_OK_FOR_INDEX_P): Delete documentation.
413 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
415 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
416 from V7 to V9 for Solaris 7 and above.
418 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
420 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
421 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
422 argument pointers may not alias any other storage.
423 * common.opt: Define option -fargument-noalias-anything.
424 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
425 alias semantics is specified by flag_argument_noalias > 2.
427 2006-03-20 Jeff Law <law@redhat.com>
429 * tree-pass.h (pass_phi_only_copy_prop): Delete.
430 (pass_phi_only_cprop): Declare.
431 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
433 * tree-ssa-dom.c (degenerate_phi_result): New function.
434 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
435 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
436 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
437 (eliminate_degenerate_phis): Likewise.
438 (pass_phi_only_cprop): New pass descriptor.
439 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
440 support code. Callers updated.
441 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
442 (store_copy_prop): Likewise.
443 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
445 2006-03-20 Jason Merrill <jason@redhat.com>
448 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
449 (push_visibility, pop_visibility): Likewise.
450 * c-pragma.h: Declare them.
452 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
454 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
456 * config/sh/sh.c (find_regmode_weight): Change the type of the first
457 parameter and use get_ebb_head_tail.
458 (sh_md_init_global): Adjust uses of find_regmode_weight.
460 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
462 * function.h (struct function) <x_tail_recursion_reentry>:
463 Rename to x_stack_check_probe_note.
464 (tail_recursion_reentry): Rename to stack_check_probe_note.
465 * function.c: Replace tail_recursion_reentry with
466 stack_check_probe_note everywhere.
467 (expand_function_start): Only emit a note for
468 stack_check_probe_note with -fstack-protect.
469 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
471 * emit-rtl.c (remove_unnecessary_notes): Remove.
472 (pass_remove_unnecessary_notes): Remove.
473 * rtl.h (remove_unnecessary_notes): Remove prototype.
474 * final.c (final_start_function): Don't call remove_unnecessary_notes.
475 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
476 * passes.c (pass_remove_unnecessary_notes): Don't run it.
478 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
481 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
482 (valid_in_set): Handle ARRAY_REF.
483 Change "if min_variant or VH" to asserts.
484 (create_component_ref_by_pieces): Handle ARRAY_REF.
485 (create_expression_by_pieces): Likewise.
486 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
488 2006-03-20 David Edelsohn <edelsohn@gnu.org>
490 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
491 is operand of switch, not str[0].
493 2006-03-20 Alan Modra <amodra@bigpond.net.au>
495 * config/rs6000/rs6000.c (rs6000_handle_option): Use
496 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
498 2006-03-19 David Edelsohn <edelsohn@gnu.org>
500 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
501 end of insn_extra_address_constraint declaration.
503 2006-03-19 David Edelsohn <edelsohn@gnu.org>
505 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
506 (no-sum-in-toc): Same.
507 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
509 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
510 NO_FP_IN_TOC for -fPIC instead of mask.
512 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
513 (BOOT_LDFLAGS): Delete.
515 * config/rs6000/t-aix52: Same.
517 * config/rs6000/rs6000.md (store_multiple_power): Delete.
518 (stmsi[345678]_power): New.
520 2006-03-17 Steve Ellcey <sje@cup.hp.com>
522 * config/ia64/ia64.opt: Add empty line to end of file.
524 2006-03-17 Richard Guenther <rguenther@suse.de>
527 * builtins.c (get_pointer_alignment): For component style references
528 adjust alignment to the component type alignment. Make sure
529 to adjust alignment for component access of constants.
531 2006-03-17 David Edelsohn <edelsohn@gnu.org>
533 * config/rs6000/rs6000.md (strlensi): Emit barrier after
536 2006-03-17 Paul Brook <paul@codesourcery.com>
538 * doc/install.texi: Docuemnt --with-mode.
539 * config.gcc: Add --with-mode for arm*-*-*.
540 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
542 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
544 * sh.c (max_labelno_before_reorg): New variable.
545 (sh_reorg): Initialize it.
546 (find_barrier): Check max_labelno_before_reorg before using
547 label_to_alignment. Take length of explicit alignment insns
548 into account. When seeing a UNSPECV_CONST_END, return it.
550 * sh.c (fixup_mova): Set mode of affected label to QImode.
551 (untangle_mova): New function.
552 (find_barrier): Use it. Check mode of label before decrementing
554 (sh_reorg): Likewise.
555 Set mode of all insns back to VOIDmode.
557 * sh.c (MOVA_LABELREF): New macro.
558 (mova_p, fixup_mova, sh_reorg): Use it.
559 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
560 ADDR_DIFF_VEC matches mova.
562 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
564 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
565 with ATTRIBUTE_UNUSED.
567 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
569 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
570 pointer, instead of assuming it is possible to derive the
571 correct args size from a call insn.
573 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
575 * rtl.h (CONST_INT_P): Define.
576 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
577 instead of GET_CODE(x) == CONST_INT.
578 (vax_rtx_costs): Likewise.
579 (vax_output_int_move): Likewise.
580 (vax_output_int_add): Likewise.
581 (legitimate_constant_address_p): Likewise.
582 (index_term_p): Likewise.
583 * config/vax/vax.h (PRINT_OPERAND): Likewise.
584 * config/vax/vax.md (and<mode>3): Likewise.
587 (movstricthi): Likewise.
588 (movstrictqi): Likewise.
590 (five unnamed insns): Likewise.
592 2006-03-16 Geoffrey Keating <geoffk@apple.com>
594 * doc/tm.texi (SDB and DWARF): Add extra parameter to
595 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
596 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
597 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
598 Pass to ASM_OUTPUT_DWARF_OFFSET.
599 * dwarf2out.c (debug_frame_section): New.
600 (output_call_frame_info): Use debug_frame_section. Pass it to
601 dw2_asm_output_offset.
602 (output_die): Pass appropriate section to dw2_asm_output_offset.
603 (output_compilation_unit_header): Likewise.
604 (output_pubnames): Likewise.
605 (output_aranges): Likewise.
606 (enum dw_val_class): Break dw_val_class_lbl_offset into
607 dw_val_class_lineptr and dw_val_class_macptr.
608 (add_AT_lbl_offset): Delete.
609 (add_AT_lineptr): New.
610 (add_AT_macptr): New.
611 (AT_lbl): Expect a lineptr or macptr.
612 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
613 (attr_checksum): Likewise.
614 (same_dw_val_p): Likewise.
615 (size_of_die): Likewise.
616 (value_format): Likewise.
617 (output_die): Likewise.
618 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
620 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
621 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
622 * config/darwin-protos.h (darwin_file_start): New.
623 (darwin_asm_output_dwarf_offset): New.
624 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
625 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
627 * config/darwin.c (darwin_emit_unwind_label): Don't output label
628 if not EH section; simplify.
629 (darwin_file_start): New.
630 (darwin_asm_output_dwarf_offset): New.
631 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
633 (DEBUG_INFO_SECTION): Likewise.
634 (DEBUG_ABBREV_SECTION): Likewise.
635 (DEBUG_ARANGES_SECTION): Likewise.
636 (DEBUG_MACINFO_SECTION): Likewise.
637 (DEBUG_LINE_SECTION): Likewise.
638 (DEBUG_LOC_SECTION): Likewise.
639 (DEBUG_PUBNAMES_SECTION): Likewise.
640 (DEBUG_STR_SECTION): Likewise.
641 (DEBUG_RANGES_SECTION): Likewise.
642 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
643 (ASM_OUTPUT_DWARF_OFFSET): New.
645 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
647 * config.gcc (tm_defines): Always add to previous value rather
650 2006-03-16 Richard Sandiford <richard@codesourcery.com>
652 * config/mips/predicates.md (splittable_const_int_operand): New,
653 split from move_operand.
654 (splittable_symbolic_operand): New.
655 (move_operand): Add commentary. Use splittable_const_int_operand.
656 Inline mips_atomic_symbolic_constant_p.
657 * config/mips/mips.md: Add combine splitters for handling moves
658 of splittable_const_int_operands and splittable_symbolic_operands.
659 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
660 (mips_split_symbol): Declare.
661 (mips_move_integer): Declare.
662 * config/mips/mips.c (mips_split_p): Make global.
663 (TARGET_MIN_ANCHOR_OFFSET): Override default.
664 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
665 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
666 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
667 (mips_offset_within_object_p): Handle block symbols.
668 (mips_atomic_symbolic_constant_p): Delete.
669 (mips_cannot_force_const_mem): Return false for constants that
670 mips_legitimize_move can handle.
671 (mips_use_blocks_for_constant_p): New function.
672 (mips_split_symbol): Make global.
673 (mips_move_integer): Likewise. Add a temporary register argument.
674 (mips_legitimize_const_move): Use splittable_const_int_operand and
675 splittable_symbolic_operand.
676 (mips_use_anchors_for_symbol_p): New function.
677 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
678 (mips_split_p): Declare.
680 2006-03-16 Richard Sandiford <richard@codesourcery.com>
682 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
683 (mips*-*-linux*): Likewise.
685 2006-03-16 Roger Sayle <roger@eyesopen.com>
686 Daniel Speyer <dspeyer@wam.umd.edu>
689 * tree-dump.c (dump_real): New function.
690 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
691 * Makefile.in (REAL_H): New macro for dependencies on real.h.
692 (tree-dump.o): Add $(REAL_H) to the dependencies.
694 2006-03-16 Roger Sayle <roger@eyesopen.com>
697 * real.c (real_from_string): If the mantissa is zero, don't bother
698 parsing the exponent as the result should always be zero.
700 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
702 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
704 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
706 * config/ia64/ia64.c (stops_p): Added explicit initialization.
707 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
708 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
709 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
710 ia64_sched_finish_global): New static functions to implement
711 hooks from gcc_target.sched.
712 (spec_check_no, max_uid, pending_data_specs): New static variables.
713 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
714 ia64_spec_check_src_p): New static functions.
715 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
716 (TARGET_SCHED_ADJUST_COST): Removed.
717 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
718 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
719 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
720 TARGET_SCHED_GEN_CHECK,
721 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
722 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
723 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
724 Fixed to handle speculation checks.
725 (rtx_needs_barrier): Fixed to handle speculative loads and
727 (ia64_variable_issue): Added code to count speculative loads and their
729 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
731 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
733 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
735 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
736 (ia64_reorg): Reset stops_p to NULL after it is freed.
737 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
738 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
739 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
741 (data_speculative, control_speculative, check_load): New attributes.
742 (mov<mode>_advanced, mov<mode>_speculative,
743 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
744 zero_extend<mode>di2_speculative,
745 zero_extend<mode>di2_speculative_advanced): New patterns for
746 data and control speculative loads.
747 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
749 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
750 New pattern for data and control speculation checks.
751 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
752 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
753 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
754 Auxiliary definitions for the patterns.
755 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
756 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
758 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
760 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
761 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
762 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
763 New resource constraints.
764 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
766 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
767 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
768 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
769 msched-in-control-spec, msched-ldc, msched-control-ldc,
770 msched-spec-verbose, msched-prefer-non-data-spec-insns,
771 msched-prefer-non-control-spec-insns,
772 msched-count-spec-in-critical-path): New flags to tune speculative
774 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
775 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
776 msched-in-control-spec, msched-ldc, msched-control-ldc,
777 msched-spec-verbose, msched-prefer-non-data-spec-insns,
778 msched-prefer-non-control-spec-insns,
779 msched-count-spec-in-critical-path): Document new flags.
781 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
783 * target.h (struct spec_info_def): New opaque declaration.
784 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
785 speculate_insn, needs_block_p, gen_check,
786 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
787 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
788 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
789 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
790 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
791 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
793 (TARGET_SCHED): Use new macros.
794 * rtl.h (copy_DEPS_LIST_list): New prototype.
795 * sched-int.h (struct sched_info): Change signature of new_ready field,
796 adjust all initializations. New fields: add_remove_insn,
797 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
798 region_head_or_leaf_p.
799 (struct spec_info_def): New structure declaration.
800 (spec_info_t): New typedef.
801 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
802 recovery_block, orig_pat.
803 (glat_start, glat_end): New variables declaraions.
804 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
806 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
807 DETACH_LIFE_INFO, USE_GLAT.
808 (enum SPEC_SCHED_FLAGS): New enumeration.
809 (NOTE_NOTE_BB_P): New macro.
810 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
811 attach_life_info, debug_spec_status, check_reg_live): New functions.
812 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
813 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
815 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
816 * ddg.c (get_block_head_tail): Adjust all uses.
817 * modulo-sched.c (get_block_head_tail): Adjust all uses.
818 (sms_sched_info): Initialize new fields.
819 (contributes_to_priority): Removed.
820 * haifa-sched.c (params.h): New include.
821 (get_block_head_tail): Adjust all uses.
822 (ISSUE_POINTS): New macro.
823 (glat_start, glat_end): New global variables.
824 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
825 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
826 old_last_basic_block, before_recovery, current_sched_info_var,
827 rgn_n_insns, luid): New static variables.
828 (insn_cost1): New function. Move logic from insn_cost to here.
829 (find_insn_reg_weight1): New function. Move logic from
830 find_insn_reg_weight to here.
831 (reemit_notes, move_insn, max_issue): Change signature.
832 (move_insn1): Removed.
833 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
834 extend_bb): New static functions to support extension of scheduler's
836 (generate_recovery_code, process_insn_depend_be_in_spec,
837 begin_speculative_block, add_to_speculative_block,
838 init_before_recovery, create_recovery_block, create_check_block_twin,
839 fix_recovery_deps): New static functions to support
840 generation of recovery code.
841 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
842 restore_bb_notes, move_block_after_check, move_succs): New static
843 functions to support ebb scheduling.
844 (init_glat, init_glat1, attach_life_info1, free_glat): New static
845 functions to support handling of register live information.
846 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
847 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
848 add_jump_dependencies): New static functions.
849 (check_cfg, has_edge_p, check_sched_flags): New static functions for
850 consistancy checking.
851 (debug_spec_status): New function to call from debugger.
852 (priority): Added code to handle speculation checks.
853 (rank_for_schedule): Added code to distinguish speculative instructions.
854 (schedule_insn): Added code to handle speculation checks.
855 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
856 Fixed to handle ebbs.
857 (move_insn): Added code to handle ebb scheduling.
858 (max_issue): Added code to use ISSUE_POINTS of instructions.
859 (choose_ready): Added code to choose between speculative and
860 non-speculative instructions.
861 (schedule_block): Added code to handle ebb scheduling and scheduling of
862 speculative instructions.
863 (sched_init): Initialize new variables.
864 (sched_finish): Free new variables. Print statistics.
865 (try_ready): Added code to handle speculative instructions.
866 * lists.c (copy_DEPS_LIST_list): New function.
867 * sched-deps.c (extend_dependency_caches): New function. Move logic
868 from create_dependency_caches to here.
869 (get_dep_weak, ds_merge): Make global.
870 * genattr.c (main): Code to output prototype for
871 dfa_clear_single_insn_cache.
872 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
873 (output_dfa_clean_insn_cache_func): Code to output
874 dfa_clear_single_insn_cache function.
875 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
877 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
879 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
880 New static variables.
881 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
882 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
884 (ebb_sched_info): Initialize new fields.
885 (get_block_head_tail): Adjust all uses.
886 (compute_jump_reg_dependencies): Fixed to use glat_start.
887 (schedule_ebb): Code to remove unreachable last block.
888 (schedule_ebbs): Added code to update register live information.
889 * sched-rgn.c (region_sched_info): Initialize new fields.
890 (get_block_head_tail): Adjust all uses.
891 (last_was_jump): Removed. Adjust users.
892 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
893 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
895 (check_dead_notes1): New static function.
896 (struct region): New fields: dont_calc_deps, has_real_ebb.
897 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
898 (BB_TO_BLOCK): Fixed to handle EBBs.
899 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
900 (ebb_head): New static variable.
901 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
902 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
904 (compute_dom_prob_ps): New assertion.
905 (check_live_1, update_live_1): Fixed to work with glat_start instead of
906 global_live_at_start.
907 (init_ready_list): New assertions.
908 (can_schedule_ready_p): Split update code to begin_schedule_ready.
909 (new_ready): Add support for BEGIN_CONTROL speculation.
910 (schedule_insns): Fixed code that updates register live information
912 (schedule_region): Fixed to handle EBBs.
913 (init_regions): Use extend_regions and check_dead_notes1.
914 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
915 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
916 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
917 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
918 TARGET_SCHED_GEN_CHECK,
919 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
920 TARGET_SCHED_SET_SCHED_FLAGS): Document.
921 * doc/invoke.texi (max-sched-insn-conflict-delay,
922 sched-spec-prob-cutoff): Document.
924 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
926 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
927 inter_tick, queue_index.
928 (struct sched_info): Change signature of init_ready_list field.
929 Adjust all initializations.
930 (RESOLVED_DEPS): New access macro.
931 (ready_add): Remove prototype.
932 (try_ready): Add prototype.
933 * sched-rgn.c (init_ready_list): Use try_ready.
934 (schedule_region): Initialize
935 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
936 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
937 (init_ready_list): Use try_ready.
938 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
939 * lists.c (remove_list_elem): Remove `static'.
940 (remove_free_INSN_LIST_elem): New function.
941 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
942 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
943 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
945 (readyp): New variable.
946 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
947 change_queue_index, resolve_dep): New static functions.
948 (try_ready): New function. Adjust callers in sched-rgn.c and
949 sched-ebb.c to use it instead of ready_add.
950 (clock_var): Move at the begining of file.
951 (rank_for_schedule): Fix typo.
952 (queue_insn): Add assertion. Handle QUEUE_INDEX.
953 (ready_lastpos): Enforce assertion.
954 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
956 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
957 (schedule_insn): Rewrite to use try_ready and resolve_dep.
958 (queue_to_ready): Use free_INSN_LIST_list.
959 (early_queue_to_ready): Fix typo.
960 (schedule_block): Init readyp. Move init_ready_list call after the
961 initialization of clock_var. Fix error in rejecting insn by
962 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
963 that previously corrected INSN_TICKs. Add code for handling
965 (set_priorities): Fix typo.
966 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
967 Clarify comment and code that keeps current_sched_info->next_tail
970 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
972 * sched-rgn.c (extend_rgns): New static function.
974 (gather_region_statistics, print_region_statistics): New static
976 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
977 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
979 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
980 Andrey Belevantsev <abel@ispras.ru>
982 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
983 * lists.c (unused_deps_list): New variable.
984 (free_list): Add assertions to verify the proper distinguishing
985 between INSN_LISTs and DEPS_LISTs.
986 (find_list_elem, remove_list_elem, remove_list_node): New static
988 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
989 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
990 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
991 (alloc_INSN_LIST): Assert that the list we're working on is indeed
993 (free_INSN_LIST_node): Likewise.
994 * modulo-sched.c (current_sched_info): Initialize flags field.
995 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
996 * rtl.def (DEPS_LIST): Define.
997 * rtl.h: Declare new functions from lists.c.
998 * sched-deps.c (spec_dependency_cache): New static variable.
999 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
1000 (add_dependence): Change return type to void. Move the logic to ...
1001 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
1002 (delete_all_dependences): Add comment about forward_dependency_cache.
1003 Handle spec_dependency_cache. Handle DEPS_LISTs.
1004 (fixup_sched_groups): Clarify the change of priority of output
1005 and anti dependencies.
1006 (sched_analyze_2): Adjust add_dependence calls to create data
1007 speculative dependence.
1008 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
1009 Adjust all callers. Handle DEPS_LISTS.
1010 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
1011 presence of speculation.
1012 (init_dependency_caches, free_dependency_caches):
1013 Handle spec_dependency_cache.
1014 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
1015 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
1016 New static functions.
1017 (add_or_update_back_dep, add_or_update_back_forw_dep,
1018 add_back_forw_dep, delete_back_forw_dep): New functions.
1019 * sched-int.h (ds_t, dw_t): New typedefs.
1020 (struct sched_info): Add new field flags.
1021 (struct haifa_insn_data): Add new bitfield has_internal_dep.
1022 Prototype new sched-deps.c functions.
1023 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
1024 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
1025 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
1026 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
1027 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
1028 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
1030 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
1032 * sched-rgn.c (current_sched_info): Initialize flags field.
1033 (schedule_insns): Initialize current_sched_info before the sched_init
1035 * sched-ebb.c (current_sched_info): Initialize flags field.
1036 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
1037 Call add_or_update_back_dep instead of add_dependence.
1038 Create control speculative dependencies.
1039 (schedule_insns): Initialize current_sched_info before the sched_init
1042 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
1044 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
1046 (sh_fallback_frame_state): Likewise.
1048 2006-03-15 Geoffrey Keating <geoffk@apple.com>
1050 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
1051 Do switch on default_use_cxa_atexit.
1052 (powerpc*-*-darwin*): Build crt2.o on powerpc.
1053 * config/darwin-crt3.o: New.
1054 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
1055 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
1056 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
1058 * config/rs6000/t-darwin: Move crt2.o building to here.
1059 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
1060 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
1063 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1065 * config/vax/vax.c (nonindexed_address_p): Change logical negation
1066 from '! xxx' to '!xxx' for coding-style conformance.
1067 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
1068 (EXTRA_CONSTRAINT): Likewise.
1069 * config/vax/vax.md (four unnamed insns): Likewise.
1071 2006-03-15 Paul Brook <paul@codesourcery.com>
1073 * config/arm/arm.c (minipool_pad): New.
1074 (add_minipool_forward_ref): Include pool alignment padding in address
1076 (push_minipool_fix): Set minipool_pad.
1077 (minipool_pad): Ditto.
1079 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1081 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
1082 instead of GET_CODE() == MEM and REG_P() instead of
1084 (print_operand_address): Likewise.
1085 (vax_address_cost): Likewise.
1086 (vax_rtx_costs): Likewise.
1087 (vax_notice_update_cc): Likewise.
1088 (vax_output_int_add): Likewise.
1089 (INDEX_REGISTER_P): Likewise.
1090 (BASE_REGISTER_P): Likewise.
1091 (nonindexed_address_p): Likewise.
1092 (vax_mode_dependent_address_p): Likewise.
1093 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
1094 (PRINT_OPERAND): Likewise.
1095 * config/vax/vax.md (ashlsi3): Likewise.
1096 (ashlsi3): Likewise.
1097 (some more unnamed insns): Likewise.
1099 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
1101 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
1102 iterator-style macro.
1103 (mark_control_dependent_edges_necessary): Update the use of
1104 EXECUTE_IF_CONTROL_DEPENDENT.
1106 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
1108 * config/sh/predicates.md (cache_address_operand): Special.
1109 (ua_address_operand): Likewise.
1111 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
1113 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
1115 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
1117 2006-03-15 Andreas Schwab <schwab@suse.de>
1119 * gensupport.c (identify_predicable_attribute): Don't free p_false
1120 when it is still in use.
1122 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1124 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
1125 the default setting here.
1127 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
1129 * tree-pass.h (pass_cfg): Remove.
1130 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
1131 * passes.c (pass_cfg): Don't run it.
1133 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
1135 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
1136 * reg-stack.c (stack_regs_mentioned_data): Change the type to
1138 (stack_regs_mentioned): Update the uses of
1139 stack_regs_mentioned_data. Don't access the array beyond its
1141 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
1142 Don't include gt-reg-stack.h.
1144 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
1145 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
1147 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
1150 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
1153 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1155 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
1157 2006-03-14 Richard Guenther <rguenther@suse.de>
1159 PR tree-optimization/26672
1160 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
1163 2006-03-14 Richard Guenther <rguenther@suse.de>
1165 PR tree-optimization/26667
1166 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
1167 node for the callees. Always allow inlining if it will shrink
1170 2006-03-14 Richard Guenther <rguenther@suse.de>
1173 * builtins.c (get_pointer_alignment): Prefer alignment
1174 information from decls over that from types.
1176 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
1179 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
1181 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
1183 * config/rs6000/rs6000.opt (mdlmzb): New option.
1184 (msched-prolog, msched-epilog): Use Var not Mask.
1185 * doc/invoke.texi (-mdlmzb): Document.
1186 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
1188 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
1189 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
1191 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
1193 PR rtl-optimization/25739
1194 * bt-load.c (augment_live_range): Free tos pointer.
1196 * gensupport.c (identify_predicable_attribute): Free
1198 * gcov.c (create_file_names): Free name pointer.
1200 2006-03-13 Roger Sayle <roger@eyesopen.com>
1203 * stmt.c (emit_case_nodes): Handle the case where the index is a
1204 CONST_INT, where the comparison mode is specified by the index type.
1206 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1208 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
1211 2006-03-13 Richard Sandiford <richard@codesourcery.com>
1213 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
1214 (*branch_fp_inverted): Likewise.
1216 2006-03-13 Jakub Jelinek <jakub@redhat.com>
1219 * omp-low.c (expand_omp_for_generic): Mark istart0
1220 and iend0 as addressable.
1222 2006-03-13 Jie Zhang <jie.zhang@analog.com>
1224 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
1226 2006-03-13 Jeff Law <law@redhat.com>
1228 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
1229 virtual operands are interesting.
1230 (vrp_visit_stmt): Corresponding changes.
1232 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
1234 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
1236 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
1237 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
1238 * config/bfin/crti.S: Use it instead of __PIC__.
1239 * config/bfin/crtn.S: Likewise.
1241 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
1242 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
1244 Lose 'G' modifier for call operand.
1245 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
1246 recognize 'G' modifier.
1248 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
1251 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
1252 * stmt.c (expand_case): Likewise.
1254 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1256 PR rtl-optimization/26254
1257 * loop-invariant.c (seq_insns_valid_p): New function.
1258 (move_invariant_reg): Only emit new code if it is valid.
1260 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1262 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
1264 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
1265 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
1266 (commit_one_edge_insertion): Do not look for loop notes.
1268 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1270 * jump.c (follow_jumps): Do not check for loop notes. Move check for
1271 flag_test_coverage out of loop.
1273 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1275 * final.c (shorten_branches): Remove outdated comment, and turn
1276 the if branch that guards it to continue.
1278 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1280 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
1281 * cfgloop.h (struct loop): Remove unused fields.
1283 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
1285 * doc/invoke.texi (-fdump-rtl-loop): Remove.
1286 (-dL, -fdump-rtl-loop2): Update the dump file names
1288 * doc/invoke.texi: Update dump file names.
1290 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
1292 * predict.c (estimate_probability): Remove.
1293 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
1294 * basic-block.h (estimate_probability): Remove prototype.
1295 * passes.c (finish_optimization_passes): Dump branch prediction or
1296 profiling heuristics to the .profile tree dump.
1297 (init_optimization_passes): Unqueue pass_branch_prob.
1299 * doc/invoke.texi (-fdump-rtl-bp): Remove.
1301 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
1303 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
1304 * rtl.h (LABEL_NEXTREF): Remove field accessor.
1306 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
1308 * function.h (frame_offset_overflow): Declare.
1309 * function.c (frame_offset_overflow): New function.
1310 (assign_stack_local_1): Call it to detect that the offset overflows.
1311 * cfgexpand.c (alloc_stack_frame_space): Likewise.
1313 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
1315 * config/sh/sh.c: Include alloc-pool.h.
1316 (label_ref_list_pool): New alloc pool.
1317 (label_ref_list_t): New type for lists of labels.
1318 (struct pool_node): Make wend a label_ref_list_t.
1319 (add_constant): Use the new type, eradicate LABEL_NEXTREF
1321 (dump_table): Likewise.
1322 (sh_reorg): Set up the alloc pool before using add_constant and
1323 dump_table, and destroy it when finishing.
1325 2006-03-11 Richard Sandiford <richard@codesourcery.com>
1327 * config/mips/mips.c: Remove redundant comment.
1329 2006-03-10 Jason Merrill <jason@redhat.com>
1332 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
1333 the target was declared 'register'.
1335 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
1337 * genpreds.c (write_insn_constraint_len): Change definition of
1338 insn_constraint_len to return size_t to match the declaration.
1340 2006-03-10 DJ Delorie <dj@redhat.com>
1342 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
1344 (m32c_expand_insv): Fix test for an AND mask.
1346 2006-03-10 Richard Guenther <rguenther@suse.de>
1349 * builtins.c (get_pointer_alignment): Handle component
1350 references for field alignment.
1352 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
1354 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
1355 when building with libgloss.
1356 (sh*elf): Implement --without-fp option.
1357 (sh64-superh-linux*): Don't multilib.
1359 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
1361 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
1363 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
1365 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
1366 Set it when one of the replacement functions returned true.
1367 Return TODO_cleanup_cfg if cfgchanged is true.
1368 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
1370 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
1372 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
1373 instead of gen_lowpart.
1375 2006-03-09 Richard Sandiford <richard@codesourcery.com>
1377 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
1379 (mips_output_order_conditional_branch): Declare.
1380 * config/mips/mips.h (MIPS_BRANCH): New macro.
1381 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
1382 for the comparison. Use gen_condjump.
1383 (mips_output_conditional_branch): Rework interface to take the
1384 asm templates for a direct branch and the inverse of a direct branch.
1385 (mips_output_order_conditional_branch): New function.
1386 (mips_builtin_branch_and_move): New function.
1387 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
1388 branch condition. Use gen_single_cc as the condition for
1389 __builtin_mips_upper_* or __builtin_mips_lower_*.
1390 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
1391 Use VOIDmode for the branch condition.
1392 * config/mips/predicates.md (order_operator): New predicate.
1393 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
1394 (branch_fp): Rename to...
1395 (*branch_fp): ...this. Remove mode from comparison operator.
1396 Use new mips_output_conditional_branch interface.
1397 (branch_fp_inverted): Rename to...
1398 (*branch_fp_inverted): ...this and update as for *branch_fp.
1399 (*branch_zero<mode>): Rename to...
1400 (*branch_order<mode>): ...this. Remove mode from comparison operator.
1401 Use mips_output_order_conditional_branch. Only accept ordered
1403 (*branch_zero<mode>_inverted): Rename to...
1404 (*branch_order<mode>_inverted): ...this and update as for
1405 *branch_order<mode>.
1406 (*branch_equality<mode>): Accept zero as the second operand to
1407 the equality operator. Use the new mips_output_conditional_branch
1409 (*branch_equality<mode>_inverted): Likewise.
1410 (condjump): New expander.
1411 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
1413 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
1414 (bc1any2t, bc1any2f): Likewise.
1415 (single_cc): New expander.
1416 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
1418 2006-03-09 Richard Sandiford <richard@codesourcery.com>
1420 * doc/md.texi: Update documentation of MIPS constraints.
1421 * config/mips/constraints.md: New file.
1422 * config/mips/mips.md: Include it.
1423 * config/mips/mips.c (mips_char_to_class): Delete.
1424 (override_options): Don't initialize mips_char_to_class.
1425 * config/mips/mips.h (mips_char_to_class): Delete.
1426 (REG_CLASS_FROM_LETTER): Delete.
1427 (CONST_OK_FOR_LETTER_P): Delete.
1428 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1429 (EXTRA_CONSTRAINT_Y): Delete.
1430 (EXTRA_CONSTRAINT_STR): Delete.
1431 (CONSTRAINT_LEN): Delete.
1432 (EXTRA_MEMORY_CONSTRAINT): Delete.
1434 2006-03-09 Diego Novillo <dnovillo@redhat.com>
1436 * tree-cfg.c (move_block_to_fn): Remove the statements from the
1437 original fn's eh regions.
1439 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
1441 * fold-const.c (build_range_check): Make sure to use a valid type to
1442 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
1445 (range_predecessor): New static function.
1446 (range_successor): Likewise.
1447 (merge_ranges): Use them to compute predecessors and successors of
1450 2006-03-09 Roger Sayle <roger@eyesopen.com>
1453 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
1454 X op C3, consider whether C3 overflows towards +Inf or -Inf.
1456 2006-03-08 DJ Delorie <dj@redhat.com>
1458 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
1459 (addpsi3): Expand to include memory operands. Remove
1460 reload-specific splits.
1461 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
1462 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
1463 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
1464 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
1465 (shift1_qi, shift1_hi, insv): New.
1466 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
1467 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
1468 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
1470 * config/m32c/m32c-protos.h: Update as needed.
1471 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
1472 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
1473 Fail for unrecognized R* constraints.
1474 (m32c_cannot_change_mode_class): Be more picky about pseudos.
1475 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
1476 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
1478 (m32c_init_libfuncs): New.
1479 (m32c_legitimate_address_p): Add debug wrapper.
1480 (m32c_rtx_costs): New.
1481 (m32c_address_cost): New.
1482 (conversions): Add 'B' prefix.
1483 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
1484 operands, or word regnames for QI operands. 'B' prints bit
1486 (m32c_expand_setmemhi): New.
1487 (m32c_expand_movmemhi): New.
1488 (m32c_expand_movstr): New.
1489 (m32c_expand_cmpstr): New.
1490 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
1491 (m32c_expand_neg_mulpsi3): Handle non-ints.
1492 (m32c_cmp_flg_0): New.
1493 (m32c_expand_movcc): New.
1494 (m32c_expand_insv): New.
1495 (m32c_scc_pattern): New.
1496 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
1497 a0/a1 out of SIregs.
1498 (STORE_FLAG_VALUE): New.
1499 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
1502 * config/m32c/mov.md: Make constraints more liberal.
1503 (zero_extendqihi2): Optimize r0/r1 case.
1504 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
1505 * config/m32c/predicates.md (m32c_any_operand): New.
1506 (m32c_nonimmediate_operand): New.
1507 (m32c_hl_operand): New.
1508 (m32c_r3_operand): New.
1511 (memsym_operand): New.
1512 (memimmed_operand): New.
1513 (a_qi_operand): New.
1514 (m32c_eqne_operator): New.
1515 (m32c_1bit8_operand): New.
1516 (m32c_1bit16_operand): New.
1517 (m32c_1mask8_operand): New.
1518 (m32c_1mask16_operand): New.
1519 * config/m32c/blkmov.md: New file.
1520 * config/m32c/t-m32c (MD_FILES): Add blkmov.
1522 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
1524 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
1525 unsigned to fix signed/unsigned comparison issue in
1526 DWARF2_FRAME_REG_OUT.
1527 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
1528 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
1530 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
1531 of ptr into the ENABLE_CHECKING section.
1533 2006-03-08 Jeff Law <law@redhat.com>
1535 * tree-vrp.c (infer_value_range): Only count pointer uses
1536 and dereferences if -fdelete-null-pointer-checks is enabled.
1538 * tree-vrp.c (find_assert_locations): Infer value ranges for
1539 single use pointers, but do not create ASSERT_EXPRs for them.
1540 When a non-null range is inferred for a pointer, backwards
1541 propagate that range to other equivalent pointers through the
1544 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
1547 * Makefile.in (dvi, html, install-info): Invoke the corresponding
1548 language hook targets.
1549 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
1550 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
1551 if language hook targets were missing.
1553 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
1555 * tree-ssa-opfinalize.h: Removed.
1556 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
1558 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
1559 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
1560 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
1561 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
1562 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
1563 finalize_ssa_v_must_def_ops): New.
1565 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
1567 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
1570 2006-03-07 Geoffrey Keating <geoffk@apple.com>
1572 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
1574 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
1575 addresses with offsets; reorganize.
1577 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
1578 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
1579 (expand_builtin_init_dwarf_reg_sizes): Likewise.
1581 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
1584 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
1586 2006-03-08 Ben Elliston <bje@au.ibm.com>
1588 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
1590 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
1593 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
1596 2006-03-07 Richard Guenther <rguenther@suse.de>
1598 PR tree-optimization/26587
1599 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
1601 2006-03-07 Richard Sandiford <richard@codesourcery.com>
1603 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
1605 2006-03-07 Richard Sandiford <richard@codesourcery.com>
1607 * hooks.c (hook_bool_mode_rtx_true): New function.
1608 * hooks.h (hook_bool_mode_rtx_true): Declare.
1609 * toplev.c (compile_file): Call output_shared_constant_pool.
1610 * varasm.c (shared_constant_pool): New variable.
1611 (assemble_start_function, assemble_end_function): Remove arguments
1612 from call to output_constant_pool.
1613 (create_constant_pool): New function, split out from...
1614 (init_varasm_status): ...here.
1615 (force_const_mem): Choose between the shared and per-function constant
1616 pools. Set current_function_uses_const_pool when reusing old entries
1617 as well as when creating new ones.
1618 (mark_constant): Ignore data argument.
1619 (mark_constants): Remove pool argument.
1620 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
1621 to decide whether the function uses a constant pool.
1622 (output_constant_pool_contents): New function, split out from...
1623 (output_constant_pool): ...here.
1624 (output_shared_constant_pool): New function.
1625 (init_varasm_once): Initialize shared_constant_pool.
1626 * output.h (output_constant_pool): Delete.
1627 (output_shared_constant_pool): Declare.
1628 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
1629 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
1631 2006-03-06 Nick Clifton <nickc@redhat.com>
1633 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
1634 flag_strength_reduce.
1636 2006-03-06 Ben Elliston <bje@au.ibm.com>
1638 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
1639 x86_64-*-linux* configurations.
1641 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
1642 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
1644 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
1646 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
1648 * basic-block.h: Remove the extern for
1649 rediscover_loops_after_threading.
1651 * cfgloop.c (cancel_loop): Make it static.
1652 * cfgloop.h: Remove the prototype for cancel_loop.
1654 * flow.c (recompute_reg_usage): Make it static.
1655 * rtl.h: Remove the prototype for recompute_reg_usage.
1657 * function.c (use_return_register): Make it static.
1658 * function.h: Remove the prototype.
1660 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
1662 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
1664 * recog.h: Remove the prototype for
1665 validate_change_maybe_volatile.
1667 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
1669 * rtlanal.c (replace_reg): Remove.
1670 * rtl.h: Remove the prototype for replace_reg.
1672 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
1674 * regclass.c (reg_scan_update): Remove.
1675 (reg_scan_mark_refs): Remove the last argument.
1676 * rtl.h: Remove the prototype for reg_scan_update.
1678 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1680 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
1681 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
1682 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
1683 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
1684 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
1685 loop-invariant.c, omp-low.c, opts.c, passes.c,
1686 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
1687 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
1688 tree-ssa-structalias.c, tree-ssa-threadedge.c,
1689 tree-ssa-threadupdate.c, tree-vect-patterns.c,
1690 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
1691 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
1693 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1695 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
1696 * dwarf2out.h: Remove the prototype for
1697 dwarf2out_add_library_unit_info.
1699 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1701 * tree.c (add_var_to_bind_expr): Remove.
1702 * tree.h: Remove the prototype for add_var_to_bind_expr.
1704 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1706 * regclass.c (n_non_fixed_regs): Remove.
1707 (init_reg_sets_1, globalize_reg): Remove all uses of
1709 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
1711 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1713 * rtlanal.c (insns_safe_to_move_p): Remove.
1714 * rtl.h: Remove the prototype for insns_safe_to_move_p.
1716 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1718 * expmed.c (expand_mult_add): Remove.
1719 * expr.h: Remove the prototype for expand_mult_add.
1721 2006-03-04 Jakub Jelinek <jakub@redhat.com>
1723 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
1724 and REG_SAVED_VAL_EXP constants.
1725 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
1726 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
1727 Handle regs stored by value.
1728 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
1729 (execute_cfa_program): Handle DW_CFA_val_offset,
1730 DW_CFA_val_offset_sf and DW_CFA_val_expression.
1731 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
1732 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
1733 (uw_install_context_1): Handle target regs stored by value.
1735 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
1737 * tree-sra.c (tree_sra): Return todoflags;
1738 (generate_one_element): Set TODO_update_smt_usage if needed.
1739 (pass_sra): Remove TODO_update_smt_usage.
1740 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
1742 (tree_ssa_forward_propagate_single_use_vars): Return
1743 TODO_update_smt_usage if we need to update SMT usage.
1744 (pass_forwprop): Remove TODO_update_smt_usage.
1746 2006-03-03 Diego Novillo <dnovillo@redhat.com>
1748 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
1749 (correct_use_link): Remove reference to get_stmt_operands.
1750 (update_stmt_operands): Likewise.
1751 (get_modify_expr_operands): New function factored out of
1752 parse_ssa_operands and get_expr_operands.
1753 Try to create V_MUST_DEFs for LHS by default.
1754 (get_expr_operands) <case MODIFY_EXPR>: Call
1755 get_modify_expr_operands.
1756 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
1757 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
1758 (parse_ssa_operands) <case MODIFY_EXPR>: Call
1759 get_modify_expr_operands.
1761 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
1763 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
1764 * tree-flow.h: Remove the prototype for
1765 referenced_var_lookup_if_exists.
1767 2006-03-03 Steve Ellcey <sje@cup.hp.com>
1769 PR rtl-optimization/26345
1771 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
1773 2006-03-03 Roger Sayle <roger@eyesopen.com>
1775 PR tree-optimization/26524
1776 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
1777 fold_convert to create a constant of the appropriate type.
1779 2006-03-03 Richard Sandiford <richard@codesourcery.com>
1781 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1782 SYMBOL_REF_IN_BLOCK_P.
1783 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
1784 of SYMBOL_FLAG_IN_BLOCK.
1785 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
1786 instead of SYMBOL_REF_IN_BLOCK_P.
1787 * explow.c (use_anchored_address): Likewise.
1788 * rtl.c (rtx_size): Likewise.
1789 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
1790 instead of SYMBOL_FLAG_IN_BLOCK.
1791 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1792 SYMBOL_REF_IN_BLOCK_P.
1793 (assemble_variable): Likewise.
1794 (output_constant_def_contents): Likewise.
1795 (output_constant_pool): Likewise.
1796 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
1797 instead of SYMBOL_FLAG_IN_BLOCK.
1798 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1799 SYMBOL_REF_IN_BLOCK_P.
1800 (SYMBOL_REF_BLOCK): Likewise.
1801 (SYMBOL_REF_OFFSET): Likewise.
1802 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1803 SYMBOL_REF_IN_BLOCK_P.
1804 (SYMBOL_FLAG_IN_BLOCK): Replace with...
1805 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
1806 (SYMBOL_REF_IN_BLOCK_P): Replace with...
1807 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
1809 2006-03-03 Jakub Jelinek <jakub@redhat.com>
1811 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
1813 2006-03-02 Roger Sayle <roger@eyesopen.com>
1815 * simplify-rtx.c (simplify_unary_operation): When simplifying
1816 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
1817 that we perform the right shift in the appropriate mode, and
1818 then extend or truncate the result to requested mode.
1820 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
1822 * gengtype.c (main): Handle double_int type.
1823 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
1824 * double-int.c: New file.
1825 * double-int.h: New file.
1826 * system.h: Include doubleint.h.
1827 * Makefile.in (SYSTEM_H): Include double-int.h.
1828 (double-int.o): Add.
1830 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
1833 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
1836 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
1838 * tree-vrp.c (remove_range_assertions): Do not update statements
1841 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
1843 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
1845 * gcse.c (rest_of_handle_gcse): Ditto.
1846 * except.c (gate_handle_eh): Ditto.
1847 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
1848 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
1850 2006-03-02 Eric Christopher <echristo@apple.com>
1852 * config/i386/i386.c (machopic_output_stub): Add indirection to
1855 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
1859 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
1861 Sun Niagara specific optimizations.
1862 * config.gcc: Recognize niagara as target.
1863 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
1864 (TARGET_CPU_niagara): Define.
1865 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
1866 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
1867 (CPP_CPU_SPEC): Handle -mcpu=niagara.
1868 (ASM_CPU_SPEC): Likewise.
1869 (PROCESSOR_NIAGARA): New enum entry.
1870 (REGISTER_MOVE_COST): Handle Niagara.
1871 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
1872 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
1873 (sparc_override_options): Recognize "niagara", set appropriate
1874 default MASK_* values for it, and align functions to 32-bytes
1875 by default just like ULTRASPARC/ULTRASPARC3.
1876 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
1877 (sparc64_initialize_trampoline): Likewise.
1878 (sparc_use_sched_lookahead): Use zero for niagara.
1879 (sparc_issue_rate): Use one for niagara.
1880 * config/sparc/niagara.md: New file.
1881 * config/sparc/sparc.md: Include it.
1882 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
1883 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
1884 when default cpu is niagara.
1885 (CPP_CPU_SPEC): Handle -mcpu=niagara.
1886 (ASM_CPU_SPEC): Likewise.
1887 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
1888 when default cpu is niagara.
1889 (ASM_CPU_SPEC): Handle -mcpu=niagara.
1890 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
1891 just like v9/ultrasparc/ultrasparc3.
1892 * doc/invoke.texi: Add documentation for "niagara" and improve
1893 existing documentation for ultrasparc variants.
1895 2006-03-02 Diego Novillo <dnovillo@redhat.com>
1897 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
1899 2006-03-02 Richard Sandiford <richard@codesourcery.com>
1901 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
1902 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
1903 and say that only one is needed.
1904 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
1905 * target.h (have_switchable_bss_sections): New hook.
1906 * explow.c (use_anchored_address): Check that the symbol is in a block.
1907 * varasm.c (tls_comm_section, comm_section, lcomm_section)
1908 (bss_noswitch_section): New variables.
1909 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
1910 (get_noswitch_section): New function.
1911 (get_block_for_section): Allow SECT to be null.
1912 (unlikely_text_section_p): Use SECTION_STYLE.
1913 (bss_initializer_p): New function.
1914 (get_variable_section): Move earlier in file. Take a new argument,
1915 prefer_noswitch_p. Move bss checks from assemble_variable to here.
1916 Return one of the new *_sections in such cases.
1917 (get_block_for_decl): New function, extracting some logic from
1918 use_blocks_for_decl_p.
1919 (change_symbol_section): Remove in favor of...
1920 (change_symbol_block): ...this new function.
1921 (use_blocks_for_decl_p): Remove checks now performed by
1923 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
1924 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
1925 (emit_local, emit_bss, emit_common): ...these new functions.
1926 Return true if the alignment was honored.
1927 (emit_tls_common): New function.
1928 (asm_emit_uninitialised): Delete.
1929 (assemble_variable_noswitch): New function, split out from...
1930 (assemble_variable): ...here. Don't make decisions about common
1931 variables here. Globalize all public decls that go into non-common
1932 sections. Check whether SYMBOL_REF_BLOCK is null.
1933 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
1934 (output_constant_pool): Likewise.
1935 (init_varasm_once): Initialize the new section variables.
1936 (have_global_bss_p): New function.
1937 (categorize_decl_for_section): Use bss_initializer_p.
1938 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
1939 (place_block_symbol): Assert that the symbol must be in a block.
1940 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
1941 (TARGET_INITIALIZER): Include it.
1942 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
1943 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
1944 (SECTION_MACH_DEP): Bump by two.
1945 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
1946 (unnamed_section): Mention SECTION_UNNAMED in comment.
1947 (named_section): Likewise SECTION_NAMED.
1948 (noswitch_section_callback): New type.
1949 (noswitch_section): New structure.
1950 (section): Add a noswitch_section alternative.
1951 (SECTION_STYLE): New macro.
1952 (tls_comm_section, comm_section, lcomm_section): Declare.
1953 (bss_noswitch_section, have_global_bss_p): Declare.
1954 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
1955 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
1957 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
1958 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
1961 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
1963 * gcc/tree-vrp.c (execute_vrp): Return value.
1964 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
1965 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
1966 * gcc/tree-complex.c (tree_lower_complex): Ditto.
1967 (tree_lower_complex_O0): Ditto.
1968 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
1969 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
1970 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
1971 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
1972 (execute_tail_calls): Ditto.
1973 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1974 * gcc/tree.h (init_function_for_compilation): Ditto.
1975 * gcc/ipa-cp.c (ipcp_driver): Ditto.
1976 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
1977 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
1978 * gcc/final.c (compute_alignments): Ditto.
1979 (rest_of_handle_final): Ditto.
1980 (rest_of_handle_shorten_branches): Ditto.
1981 (rest_of_clean_state): Ditto.
1982 * gcc/omp-low.c (execute_expand_omp): Ditto.
1983 (execute_lower_omp): Ditto.
1984 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
1985 * gcc/ipa-reference.c (static_execute): Ditto.
1986 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
1987 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
1988 (rest_of_handle_machine_reorg): Ditto.
1989 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
1990 * gcc/flow.c (recompute_reg_usage): Ditto.
1991 (rest_of_handle_remove_death_notes): Ditto.
1992 (rest_of_handle_life): Ditto.
1993 (rest_of_handle_flow2): Ditto.
1994 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
1995 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
1996 (do_ssa_store_ccp): Ditto.
1997 (execute_fold_all_builtins): Ditto.
1998 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
1999 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
2000 * gcc/ipa-pure-const.c (static_execute): Ditto.
2001 * gcc/cse.c (rest_of_handle_cse): Ditto.
2002 (rest_of_handle_cse2): Ditto.
2003 * gcc/web.c (rest_of_handle_web): Ditto.
2004 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
2005 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
2006 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
2007 * gcc/tree-nrv.c (tree_nrv): Ditto.
2008 (execute_return_slot_opt): Ditto.
2009 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
2010 (create_structure_vars): Ditto.
2011 * gcc/loop-init.c (rtl_loop_init): Ditto.
2012 (rtl_loop_done): Ditto.
2013 (rtl_move_loop_invariants): Ditto.
2014 (rtl_unswitch): Ditto.
2015 (rtl_unroll_and_peel_loops): Ditto.
2016 (rtl_doloop): Ditto.
2017 * gcc/gimple-low.c (lower_function_body): Ditto.
2018 (mark_used_blocks): Ditto.
2019 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
2020 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
2021 (cgraph_early_inlining): Ditto.
2022 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
2023 * gcc/jump.c (cleanup_barriers): Ditto.
2024 (purge_line_number_notes): Ditto.
2025 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
2026 (rest_of_handle_if_after_reload): Ditto.
2027 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
2028 (tree_ssa_loop_im): Ditto.
2029 (tree_ssa_loop_unswitch): Ditto.
2030 (tree_vectorize): Ditto.
2031 (tree_linear_transform): Ditto.
2032 (tree_ssa_loop_ivcanon): Ditto.
2033 (tree_ssa_empty_loop): Ditto.
2034 (tree_ssa_loop_bounds): Ditto.
2035 (tree_complete_unroll): Ditto.
2036 (tree_ssa_loop_prefetch): Ditto.
2037 (tree_ssa_loop_ivopts): Ditto.
2038 (tree_ssa_loop_done): Ditto.
2039 * gcc/predict.c (tree_estimate_probability): Ditto.
2040 * gcc/recog.c (split_all_insns_noflow): Ditto.
2041 (rest_of_handle_peephole2): Ditto.
2042 (rest_of_handle_split_all_insns): Ditto.
2043 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
2044 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
2045 (rest_of_handle_stack_adjustments): Ditto.
2046 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
2047 * gcc/function.c (instantiate_virtual_regs): Ditto.
2048 (init_function_for_compilation): Ditto.
2049 (rest_of_handle_check_leaf_regs): Ditto.
2050 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
2051 (rest_of_handle_gcse): Ditto.
2052 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
2053 * gcc/alias.c (rest_of_handle_cfg): Ditto.
2054 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
2055 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
2056 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
2057 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
2058 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
2059 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
2060 * gcc/except.c (set_nothrow_function_flags): Ditto.
2061 (convert_to_eh_region_ranges): Ditto.
2062 (rest_of_handle_eh): Ditto.
2063 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
2064 (remove_unnecessary_notes): Ditto.
2065 * gcc/except.h (set_nothrow_function_flags): Ditto.
2066 (convert_to_eh_region_ranges): Ditto.
2067 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
2068 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
2069 * gcc/tree-ssa-pre.c (do_pre): Ditto.
2070 (execute_fre): Ditto.
2071 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
2072 (rest_of_handle_jump2): Ditto.
2073 * gcc/tree-sra.c (tree_sra): Ditto.
2074 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
2075 (execute_mudflap_function_decls): Ditto.
2076 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
2077 (do_store_copy_prop): Ditto.
2078 * gcc/ipa-prop.h (ipcp_driver): Ditto.
2079 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
2080 * gcc/tree-ssa-forwprop.c
2081 (tree_ssa_forward_propagate_single_use_vars): Ditto.
2082 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
2083 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
2084 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
2085 (execute_late_warn_uninitialized): Ditto.
2086 * gcc/rtl.h (cleanup_barriers): Ditto.
2087 (split_all_insns_noflow): Ditto.
2088 (purge_line_number_notes): Ditto.
2089 (unshare_all_rtl): Ditto.
2090 (remove_unnecessary_notes): Ditto.
2091 (recompute_reg_usage): Ditto.
2092 (variable_tracking_main): Ditto.
2093 * gcc/integrate.c (emit_initial_value_sets): Ditto.
2094 * gcc/integrate.h (emit_initial_value_sets): Ditto.
2095 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
2096 (execute_free_cfg_annotations): Ditto.
2097 (execute_fixup_cfg): Ditto.
2098 (execute_cleanup_cfg_pre_ipa): Ditto.
2099 (execute_cleanup_cfg_post_optimizing): Ditto.
2100 (execute_init_datastructures): Ditto.
2101 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
2102 * gcc/combine.c (rest_of_handle_combine): Ditto.
2103 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
2104 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
2105 (rest_of_handle_reorder_blocks): Ditto.
2106 (rest_of_handle_partition_blocks): Ditto.
2107 * gcc/var-tracking.c (variable_tracking_main): Ditto.
2108 * gcc/tree-profile.c (tree_profiling): Ditto.
2109 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
2110 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
2111 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
2112 (rest_of_handle_sched2): Ditto.
2113 * gcc/basic-block.h (free_bb_insn): Ditto.
2114 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
2115 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
2116 (remove_useless_stmts): Ditto.
2117 (split_critical_edges): Ditto.
2118 (execute_warn_function_return): Ditto.
2119 (execute_warn_function_noreturn): Ditto.
2120 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
2121 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
2122 * gcc/passes.c (execute_one_pass): Run additional
2123 todos returned by execute function.
2124 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
2127 2006-03-02 Richard Guenther <rguenther@suse.de>
2129 * tree-ssa-alias.c (find_used_portions): Consider taking
2130 the address as making the variable not write-only.
2132 2006-03-02 Nick Clifton <nickc@redhat.com>
2134 * config.gcc (default_use_cxa_atexit): Extend the description of
2135 this configure variable. Set its default value to "yes" for
2136 Linux, NetBSD and ELF targets on the assumption that they will
2137 use C libraries with the __cxa_atexit function.
2139 2006-03-02 Ben Elliston <bje@au.ibm.com>
2141 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
2142 parameter as unused to suppress a build warning.
2144 2006-03-02 Ben Elliston <bje@au.ibm.com>
2146 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
2149 2006-03-01 Roger Sayle <roger@eyesopen.com>
2152 * gthr-posix.h (__gthrw2): Define to take three parameters, the
2153 declared name, the weak reference name, and the typeof name.
2154 (__gthrw): Avoid expanding the declared name suffix.
2155 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
2157 2006-03-01 Jakub Jelinek <jakub@redhat.com>
2159 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
2161 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
2162 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
2163 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
2164 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
2165 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
2166 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
2167 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
2168 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
2169 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
2170 DW_DS_leading_separate, DW_DS_trailing_separate): New.
2171 (DW_END_default, DW_END_big, DW_END_little): New.
2172 (DW_END_lo_user, DW_END_hi_user): Define.
2173 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
2174 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
2175 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
2178 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2180 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
2182 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
2184 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
2186 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
2188 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
2189 to 'symbol_mem_tag'.
2191 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
2194 2006-03-01 Roger Sayle <roger@eyesopen.com>
2196 * builtins.c (fold_builtin_copysign): Delete unreachable code.
2198 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2201 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
2202 MACHO_DYNAMIC_NO_PIC_P.
2203 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
2205 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2208 * config/darwin-protos.h (darwin_asm_output_anchor):
2210 * config/darwin-sections.def (cstring_section):
2211 Add SECTION_MERGE to the flags.
2212 (literal4_section): Likewise.
2213 (literal8_section): Likewise.
2214 (objc_selector_refs_section): Likewise.
2215 (objc_cls_refs_section): Likewise.
2216 * config/darwin.c (darwin_asm_output_anchor): New
2218 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
2220 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
2222 Fix PR tree-optimization/26443
2223 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
2224 to todo and PROP_tmt_usage to properties_destroyed.
2225 * tree-ssa-ccp.c (pass_ccp): Ditto.
2226 (pass_store_ccp): Ditto.
2227 * tree-ssa-dom.c (pass_dominator): Ditto.
2229 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2231 * tree-ssa-operands.c: Cleanup whitespace.
2232 (get_asm_expr_operands): Move before first invocation.
2233 (get_indirect_ref_operands): Likewise.
2234 (get_tmr_operands): Likewise.
2235 (get_call_expr_operands): Likewise.
2236 (append_def): Likewise.
2237 (append_use): Likewise.
2238 (append_v_may_def): Likewise.
2239 (append_v_must_def): Likewise.
2240 (add_call_clobber_ops): Likewise.
2241 (add_call_read_ops): Likewise.
2242 (add_stmt_operand): Likewise.
2243 (add_virtual_operand): Likewise.
2244 (build_ssa_operands): Likewise.
2246 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2251 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
2252 with a call expr to ...
2253 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
2255 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2257 * tree-vrp.c (extract_range_from_assert): Remove special
2258 handling for types with super-types.
2260 2006-03-01 Ben Elliston <bje@au.ibm.com>
2262 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
2263 and powerpc64-*-linux* configurations.
2264 * config/t-dfprules: New file.
2266 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
2267 Compile dfp-bit.c from the source directory using -DWIDTH and
2268 $DFP_CFLAGS to control the compilation of that file, rather than
2269 generating width-specific versions in the build directory.
2270 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
2271 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
2273 2006-02-28 Zack Weinberg <zackw@panix.com>
2275 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
2278 2006-02-28 Eric Christopher <echristo@apple.com>
2280 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
2281 Set up IN_LIBGCC definition of TARGET_64BIT.
2282 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
2284 2006-02-28 Roger Sayle <roger@eyesopen.com>
2287 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
2288 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
2289 cases via the construction of "expr != 0".
2291 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
2293 * alias.c (alias_invariant, alias_invariant_size): Remove.
2294 (record_base_value): Remove.
2295 (memrefs_conflict_p): Don't look at alias_invariant.
2296 (end_alias_analysis): Don't free it.
2297 * alias.h (record_base_value): Remove prototype.
2299 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
2300 Adam Nemet <anemet@caviumnetworks.com>
2302 * rtl.h (truncated_to_mode): Declare it.
2303 (struct rtl_hooks): Add reg_truncated_to_mode hook.
2304 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
2305 (RTL_HOOKS_INITIALIZER): Include it.
2306 * rtlhooks.c (reg_truncated_to_mode_general): New function.
2307 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
2308 reg_truncated_to_mode.
2309 * rtlanal.c (truncated_to_mode): Define it.
2310 * simplify-rtx.c (simplify_unary_operation_1): Use it.
2312 2006-02-28 Jeff Law <law@redhat.com>
2314 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
2315 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
2316 the range allowed by TYPE_PRECISION.
2318 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
2320 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
2322 PR tree-optimization/26419
2323 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
2326 2006-02-27 Zack Weinberg <zackw@panix.com>
2328 * doc/md.texi: Fix typo in previous change.
2330 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
2334 2006-02-27 Zack Weinberg <zackw@panix.com>
2336 * rtl.def (define_constraint, define_register_constraint)
2337 (define_memory_constraint, define_address_constraint): New MD forms.
2338 * gensupport.c (process_rtx): Put define_constraint etc on the
2340 * genpreds.c (process_define_predicate): Adjust comment. Validate
2341 the name, and call validate_exp to validate the expression.
2342 (mark_mode_tests, write_extract_subexp): Can assume correct input.
2343 (write_predicate_expr): Likewise. NAME argument no longer necessary;
2344 all callers changed.
2345 (validate_exp, needs_variable, struct constraint_data)
2346 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
2347 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
2348 (const_dbl_constraints, constraint_max_namelen)
2349 (have_register_constraints, have_memory_constraints)
2350 (have_address_constraints, have_address_constraints)
2351 (have_extra_constraints, have_const_int_constraints)
2352 (have_const_dbl_constraints, mangle, add_constraint)
2353 (process_define_constraint, process_define_register_constraint)
2354 (write_enum_constraint_num, write_lookup_constraint)
2355 (write_insn_constraint_len, write_regclass_for_constraint)
2356 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
2357 (write_insn_extra_memory_constraint)
2358 (write_insn_extra_address_constraint)
2359 (write_satisfies_constraint_fns): New.
2360 (write_tm_preds_h): If we have new-style constraint definitions,
2361 prototype the functions generated from them, and define the
2362 old constraint interface (still used by generic code) in terms of
2364 (write_insn_preds_c): If we have new-style constraint definitions,
2365 generate all relevant functions from those definitions.
2366 (main): Handle define_constraint etc.
2367 * genoutput.c (struct constraint_data, indep_constraints)
2368 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
2369 (mdep_constraint_len): New data structures and functions, defined
2370 #ifdef USE_MD_CONSTRAINTS.
2371 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
2372 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
2373 use new logic to validate operand constraints against constraint
2375 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
2377 * defaults.h: If none of the old-style constraint macros are
2378 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
2379 old-style macros; and poison REG_CLASS_FROM_LETTER,
2380 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
2382 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
2383 * doc/md.texi: Document new constraint-definition mechanism and the
2384 C interface it provides. Remove references to old mechanism
2385 elsewhere in the document.
2386 (Machine Constraints): Use pathnames relative to gcc directory,
2387 i.e. config/ARCH/FILE. Change i386 section to refer to
2388 config/i386/predicates.md; update that section to match docstrings.
2389 * doc/tm.texi: Move all documentation of the old constraint-
2390 definition macros to their own section, clearly mark as obsolete.
2392 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
2393 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
2395 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
2396 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
2397 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
2399 (splits and peepholes): Use satisfies_constraint_*.
2400 * config/i386/i386.c (memory_address_length)
2401 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
2403 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
2405 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
2406 scalar operation to be put back into the loop.
2408 2006-02-27 Jakub Jelinek <jakub@redhat.com>
2411 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
2412 (extract_cie_info): Handle S flag in augmentation string.
2413 (execute_cfa_program): If context->signal_frame, execute also
2414 fs->pc == context->ra instructions.
2415 (uw_frame_state_for): If context->signal_frame, don't subtract one
2416 from context->ra to find FDE.
2417 (uw_update_context_1): Set context->signal_frame to
2419 (_Unwind_GetIPInfo): New function.
2420 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
2421 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
2423 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
2424 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
2425 * unwind-compat.c (_Unwind_GetIPInfo): New function.
2426 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
2427 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
2428 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
2429 * config/i386/linux-unwind.h (x86_fallback_frame_state,
2430 x86_64_fallback_frame_state): Set fs->signal_frame.
2431 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
2432 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
2433 (frob_update_context): Likewise. Workaround missing S flag in
2434 Linux 2.6.12 - 2.6.16 kernel vDSOs.
2435 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
2436 Remove the psw_addr + 1 hack.
2438 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
2440 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
2441 with aggregates here.
2442 (find_func_aliases): Remove code for &<aggregate> from here.
2444 2006-02-26 Roger Sayle <roger@eyesopen.com>
2446 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
2447 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
2448 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
2451 2006-02-26 Roger Sayle <roger@eyesopen.com>
2454 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
2456 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
2458 * opts.c (decode_options): Do not handle flag_strength_reduce.
2459 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
2460 and OPT_fstrength_reduce.
2461 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
2462 flag_prefetch_loop_arrays for being nonzero.
2463 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
2465 (fprefetch-loop-arrays-rtl): Removed.
2466 (flag_prefetch_loop_arrays): Do not specify the value.
2468 * doc/passes.texi: Update documentation of loop optimizer
2470 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
2471 -frerun-loop-opt): Remove.
2473 2006-02-26 Richard Guenther <rguenther@suse.de>
2475 PR tree-optimization/26421
2476 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
2477 in function calls that are ADDR_EXPRs as using the whole structure.
2479 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
2481 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
2482 * tree-pass.h (pass_loop_optimize): Remove.
2483 * passes.c (pass_loop_optimize): Never run it.
2484 * toplev.c (backend_init): Don't call init_loop.
2485 * opts.c (flag_loop_optimize_set): Remove.
2486 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
2487 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
2488 the old RTL loop optimizer when profiling enabled.
2489 * predict.c (tree_estimate_probability): Always strip builtin_expect.
2490 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
2491 pre-headers for the sake of the old RTL loop optimizer.
2492 * Makefile.in: Remove all references to loop.o.
2494 * doc/invoke.texi: Remove all references to -floop-optimize
2495 and -frerun-loop-opt.
2497 2006-02-26 Zack Weinberg <zackw@panix.com>
2499 * doc/md.texi (Machine Constraints): Refer to all files with paths
2500 relative to gcc directory (i.e. config/CPU/file). Add missing
2501 @table @code ... @end table to M32C subsection.
2503 2006-02-26 Roger Sayle <roger@eyesopen.com>
2505 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
2507 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
2509 2006-02-26 Roger Sayle <roger@eyesopen.com>
2510 James A. Morrison <phython@gcc.gnu.org>
2513 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
2514 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
2515 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
2516 signedness of the shift operation.
2518 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
2520 PR tree-optimization/26359
2521 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
2523 2006-02-25 Roger Sayle <roger@eyesopen.com>
2525 * simplify-rtx.c (simplify_relational_operation_1): Simplify
2526 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
2527 as X == 0, and some symmetry related transformations.
2528 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
2530 2006-02-25 Roger Sayle <roger@eyesopen.com>
2533 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
2534 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
2535 symmetry related transformations. Fold (X^C1) == C2 as
2538 2006-02-25 Juergen Weigert <jw@suse.de>
2539 Richard Guenther <rguenther@suse.de>
2541 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
2543 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
2545 * combine.c (gen_lowpart_or_truncate): Call
2546 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
2548 2006-02-24 Diego Novillo <dnovillo@redhat.com>
2550 * doc/invoke.texi: Move -fopenmp description to "Options for
2552 Remove reference to -lgomp.
2554 2006-02-24 David Edelsohn <edelsohn@gnu.org>
2556 * doc/install.texi: Require GNU tar version 1.14.
2558 2006-02-24 Geoffrey Keating <geoffk@apple.com>
2560 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
2561 * doc/invoke.texi (C++ Dialect Options): Document
2562 -fno-use-cxa-get-exception-ptr.
2563 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
2564 * configure: Regenerate.
2565 * c.opt (fuse-cxa-get-exception-ptr): New.
2566 * c-opts.c (c_common_handle_option): Handle
2567 OPT_fuse_cxa_get_exception_ptr.
2568 * c-common.c (flag_use_cxa_atexit): Update documentation.
2569 (flag_use_cxa_get_exception_ptr): New.
2570 * c-common.h (flag_use_cxa_get_exception_ptr): New.
2571 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
2573 (C_COMMON_OVERRIDE_OPTIONS): New.
2575 2006-02-24 Roger Sayle <roger@eyesopen.com>
2578 * combine.c (try_combine): Explicitly check whether GET_CODE is
2579 a SET or a CLOBBER, instead on checking that it isn't a USE.
2581 2006-02-24 Roger Sayle <roger@eyesopen.com>
2583 * fold-const.c (fold_comparison): New subroutine of fold_binary
2584 containing transformations common to both the equality and
2585 ordering relational operators, factored out of fold_binary.
2586 (fold_binary): Separate out the equality operators (EQ_EXPR
2587 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
2588 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
2589 transformations common to both.
2590 (fold_div_compare): Fix latent bugs in the previously unreachable
2591 LT_EXPR and GE_EXPR cases.
2593 2006-02-24 David Edelsohn <edelsohn@gnu.org>
2595 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
2596 decl libname for clog to __clog on AIX.
2598 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
2600 2006-02-24 Alan Modra <amodra@bigpond.net.au>
2603 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
2604 output traceback table for thunks. Localise rs6000_stack_info call.
2606 2006-02-23 Roger Sayle <roger@eyesopen.com>
2607 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2609 * gthr-posix.h (__gthrw): Fix typo in comment.
2611 2006-02-23 Geoffrey Keating <geoffk@apple.com>
2613 * doc/cpp.texi (Character sets): Document that we do support
2614 input files to be in any character set.
2616 2006-02-23 Jeff Law <law@redhat.com>
2618 * tree.h (PHI_ARG_NONZERO): Remove.
2619 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
2620 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
2621 node to the new node.
2623 PR tree-optimization/26425
2624 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
2625 min/max, then assume its varying.
2627 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
2629 PR rtl-optimization/26316
2630 * rtlanal.c (enum may_trap_p_flags): New.
2631 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
2632 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
2633 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
2634 (may_trap_after_code_motion_p): New function.
2635 * loop-invariant.c (find_identical_invariants): Fix dump formating.
2636 (find_invariant_insn): Use may_trap_after_code_motion_p.
2637 * rtl.h (may_trap_after_code_motion_p): Declare.
2639 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
2641 * emit-rtl.c (immed_double_const): Cleanup.
2643 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
2645 Fix PR tree-optimization/26376
2646 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
2649 2006-02-23 Jakub Jelinek <jakub@redhat.com>
2652 * gimplify.c (omp_add_variable): Guard variable size decl test with
2653 DECL_SIZE (decl) check.
2655 2006-02-23 Richard Guenther <rguenther@suse.de>
2658 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
2659 like aggregate types.
2661 2006-02-23 Jakub Jelinek <jakub@redhat.com>
2663 * configure.ac: Add --with{,out}-long-double-128 configure option.
2664 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
2665 * configure: Rebuilt.
2666 * config.in: Rebuilt.
2667 * doc/install.texi (Options specification): Document
2668 --with-long-double-128.
2670 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
2671 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
2672 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
2673 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
2675 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
2677 * config/s390/s390.c (override_options): Handle
2678 TARGET_DEFAULT_LONG_DOUBLE_128.
2680 * config/alpha/alpha.c (override_options): Handle
2681 TARGET_DEFAULT_LONG_DOUBLE_128.
2683 * config/sparc/sparc.c (sparc_override_options): Handle
2684 TARGET_DEFAULT_LONG_DOUBLE_128.
2686 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
2688 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
2689 (real-install-headers-tar, real-install-headers-cpio)
2690 (real-install-headers-cp): New targets.
2692 2006-02-22 Richard Sandiford <richard@codesourcery.com>
2694 * tree.h (variable_section): Delete.
2695 * varasm.c (variable_section): Delete.
2697 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
2699 * install.texi: Add notes on install.texi2html.
2700 (Building in parallel): Do not use footnotes.
2702 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
2705 * doc/install.texi (Configuration): Document --disable-libgomp.
2707 2006-02-21 Geoffrey Keating <geoffk@apple.com>
2709 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
2711 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
2713 * config/i386/sse.md (vec_extractv2df_1_sse): New.
2714 (vec_extractv2df_0_sse): New.
2716 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
2718 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
2719 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
2720 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
2721 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
2722 to the result of the expression.
2723 (def_cfa_1): Adjust.
2724 (frame_pointer_cfa_offset): Rename to...
2725 (frame_pointer_fb_offset): ... this. Adjust all uses.
2726 (convert_cfa_to_loc_list): Rename to...
2727 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
2728 Pass it on to build_cfa_loc.
2729 (compute_frame_pointer_to_cfa_displacement): Rename to...
2730 (compute_frame_pointer_to_fb_displacement): ... this. New
2731 offset parameter. Use it in computation.
2732 (gen_subprogram_die): Compute cfa_fb_offset with the new
2733 macro, and use it to compute the fb loc list and the
2736 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
2738 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
2739 replaced with register_operand.
2740 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
2741 non-DREG is expensive.
2742 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
2743 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
2746 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
2748 * doc/install.texi2html: Use set -e.
2750 2006-02-21 Richard Sandiford <richard@codesourcery.com>
2752 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
2753 (ASM_OUTPUT_SHARED_LOCAL): Delete.
2754 * doc/invoke.texi (-fshared-data): Delete.
2755 * common.opt (fshared-data): Delete.
2756 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
2757 (assemble_static_space): Remove #if 0 code.
2758 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
2759 (ASM_OUTPUT_SHARED_LOCAL): Poison.
2760 * config/cris/cris.h: Remove FIXME.
2762 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
2764 * doc/sourcebuild.texi (Front End Directory): No more double-colon
2767 2006-02-21 Jakub Jelinek <jakub@redhat.com>
2770 * combine.c (simplify_shift_const_1): Disable nested shifts
2771 optimization for vector shifts.
2773 2006-02-20 Roger Sayle <roger@eyesopen.com>
2775 PR tree-optimization/26361
2776 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
2777 of unsigned integer types.
2779 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
2781 * tree-chrec.c (eq_evolutions_p): New.
2782 * tree-chrec.h (eq_evolutions_p): Declared.
2783 * tree-data-ref.c: Fix formatting.
2784 (datadep_stats, dependence_stats): New.
2786 (print_direction_vector): New.
2787 (dump_data_dependence_relation): Use print_direction_vector.
2788 (object_analysis, create_data_ref): Handle COMPONENT_REF.
2789 (compute_subscript_distance): Static.
2790 (initialize_data_dependence_relation): Static. Get the number
2791 of loops surrounding the references from the callers, and initialize
2792 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
2793 base_object_differ_p analyzers.
2794 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
2795 compute_overlap_steps_for_affine_1_2,
2796 analyze_subscript_affine_affine): Count the classified dependences.
2797 Print a message when a test failed.
2798 (can_use_analyze_subscript_affine_affine): New.
2799 (analyze_siv_subscript): Compute the data dependences on symbolic
2800 scevs that verify can_use_analyze_subscript_affine_affine.
2801 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
2802 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
2803 Handle symbolic scevs.
2804 (analyze_overlapping_iterations): Let symbolic affine scevs to be
2806 (subscript_dependence_tester): Moved...
2807 (build_classic_dist_vector, build_classic_dir_vector): Don't use
2808 lambda_vector_clear on newly allocated vectors. Get nb_loops from
2809 DDR_SIZE_VECT instead of getting it in parameter.
2810 (subscript_dependence_tester): ... here. Take as a parameter
2811 loop_nest_depth. Call build_classic_dist_vector and
2812 build_classic_dir_vector.
2813 (compute_affine_dependence): Update subscript_dependence_tester
2814 parameters. Update datadep_stats counters. Call
2815 compute_subscript_distance.
2816 (compute_self_dependence): Save the dist and dir vectors. Call
2817 compute_subscript_distance.
2818 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
2819 (compute_all_dependences): Reorder parameters as they were before
2820 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
2821 compute_subscript_distance. Update the use of
2822 compute_affine_dependence and initialize_data_dependence_relation.
2823 (find_data_references_in_loop): Handle COMPONENT_REF.
2824 (compute_data_dependences_for_loop): Initialize dependence_stats.
2825 Don't call build_classic_dist_vector and build_classic_dir_vector.
2826 Update the parameters of initialize_data_dependence_relation and
2827 compute_all_dependences. Print the statistics from datadep_stats.
2828 (analyze_all_data_dependences): Static. Not used until the pass for
2829 checking the data dependences is contributed.
2830 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
2831 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
2832 (initialize_data_dependence_relation, compute_affine_dependence,
2833 analyze_all_data_dependences, compute_subscript_distance): Removed.
2834 (print_direction_vector): New.
2835 * lambda.h (gcd): ... here.
2836 (lambda_vector_gcd): Moved here from gcd_vector.
2837 * lambda-code.c (gcd, gcd_vector): Removed.
2838 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
2839 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
2841 2006-02-20 Diego Novillo <dnovillo@redhat.com>
2843 * ipa-type-escape.c: Tidy some comments and white space.
2844 * tree-ssa-operands.c: Likewise.
2846 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
2849 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
2850 (dump_decl_name): Do not walk the decl tree chains.
2851 * tree-pass.h (TDF_CHAIN): Remove.
2853 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
2855 * Makefile.in (C): Remove
2857 (.PHONY): Remove C and PROTO
2859 2006-02-20 Roger Sayle <roger@eyesopen.com>
2862 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
2863 deprecated CHAR_TYPE tree code.
2865 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
2867 * configure.ac (target_list): Add install-info, dvi, html.
2868 * configure: Regenerate.
2870 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
2871 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
2872 treelang/Make-lang.in: Do not use double-colon rules.
2874 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
2876 * tree.h (struct tree_memory_tag): Add is_used_alone member.
2877 (TMT_USED_ALONE): New macro.
2878 * tree-pass.h (PROP_tmt_usage): New property.
2879 (TODO_update_tmt_usage): New todo.
2880 * tree-ssa-alias.c (updating_used_alone): New variable.
2881 (recalculate_used_alone): New function.
2882 (compute_may_aliases): Set updating_used_alone, call
2883 recalculate_used_alone.
2884 * tree-sra.c (pass_sra): Note that this pass destroys
2885 PROP_tmt_usage, and add TODO_update_tmt_usage.
2886 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
2887 * tree-flow.h (updating_used_alone): Prototype.
2888 (recalculate_used_alone): Ditto.
2889 * passes.c (execute_todo): Add code to set updating_used_alone,
2890 and call recalculate.
2891 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
2892 for clobber if used alone, and add assert to verify used_alone
2895 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
2897 * config/s390/s390.c (legitimize_pic_address): Assertions checking
2898 for non tls symbols added.
2899 (legitimize_address): Do nothing for PLUS expressions if one of the
2900 addends is a tls symbol reference.
2902 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
2906 * Makefile.in (LDFLAGS): Define from autoconf substitution.
2908 * Makefile.in (BOOTSTRAPPING): New.
2909 (quickstrap): New definition if BOOTSTRAPPING=yes.
2911 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
2912 * configure.ac: Substitute all_selected_languages with the languages
2913 that were configured. For all the other variables except
2914 lang_specs_files, include all the languages in the tree.
2915 * configure: Regenerate.
2917 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
2918 if there is one. Run the commands to run fixincludes in the same
2921 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
2922 * doc/install.texi: Document exact conventions for searching target tools.
2923 Document --with-build-time-tools. Document toplevel bootstrap. Document
2924 something more about building an Ada cross-compiler. Don't list GNU Make
2925 requirements which affect all platforms.
2927 2006-02-19 Roger Sayle <roger@eyesopen.com>
2930 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
2931 only equivalent if the have both the same mode and precision.
2933 2006-02-20 Ben Elliston <bje@au.ibm.com>
2935 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
2937 2006-02-19 Roger Sayle <roger@eyesopen.com>
2938 Steven Bosscher <stevenb.gcc@gmail.com>
2940 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
2941 constant pool references to identify stack mode constants.
2942 * rtlanal.c (constant_pool_constant_p): New predicate to check
2943 whether operand is a floating point constant in the pool.
2944 * rtl.h (constant_pool_constant_p): Prototype here.
2945 * loop.c (scan_loop): Avoid hoisting constants from the constant
2946 pool on STACK_REGS targets.
2947 (load_mems): Likewise.
2948 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
2949 loads into x87 registers expensive in terms of register pressure.
2951 2006-02-19 Roger Sayle <roger@eyesopen.com>
2953 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
2954 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
2956 2006-02-19 David Edelsohn <edelsohn@gnu.org>
2958 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
2959 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
2961 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
2963 * doc/invoke.texi: Document -fipa-pta.
2964 * common.opt: Add ipa-pta option.
2965 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
2966 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
2967 (do_ds_constraint): Ditto.
2968 (get_constraint_for): Only add to referenced_vars if
2969 referenced_vars exists.
2970 (insert_into_field_list): Rewrite to do this unsorted.
2971 (insert_into_field_list_sorted): Rename old insert_into_field_list
2973 (create_function_info_for): Use insert_into_field_list_sorted.
2974 (create_variable_info_for): Rewrite so it uses unsorted version,
2975 since the field list is sorted.
2976 (intra_create_variable_infos): Only add to referenced_vars if
2977 referenced_vars exists.
2978 (ipa_pta_execute): Init heapvars, and delete when done.
2979 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
2981 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2983 * doc/install.texi: Add missing `@samp'.
2985 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
2987 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
2990 2006-02-18 Mark Wielaard <mark@klomp.org>
2992 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
2993 who added new 4.1 features, bug fixes and integration support.
2995 2006-02-18 David Edelsohn <edelsohn@gnu.org>
2998 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
3001 2006-02-18 Richard Sandiford <richard@codesourcery.com>
3003 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
3004 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
3005 (copy_insn_1): Likewise. Don't copy each field individually.
3007 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
3009 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
3010 * rtl.c (rtx_size): Rename variable to...
3011 (rtx_code_size): ...this.
3012 (rtx_size): New function.
3013 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
3014 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
3016 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
3017 * rtl.h (rtx_code_size): New variable.
3018 (rtx_size): Change from a variable to a function.
3019 (RTX_SIZE): Rename to...
3020 (RTX_CODE_SIZE): ...this.
3023 PR tree-optimization/17106
3024 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
3025 (Anchored Addresses): New section.
3026 * doc/invoke.texi (-fsection-anchors): Document.
3027 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
3028 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
3029 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
3030 * hooks.c (hook_bool_mode_rtx_false): New function.
3031 * hooks.h (hook_bool_mode_rtx_false): Declare.
3032 * gengtype.c (create_optional_field): New function.
3033 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
3034 SYMBOL_REF_IN_BLOCK_P is true.
3035 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
3036 (min_anchor_offset, max_anchor_offset): Likewise.
3037 (use_anchors_for_symbol_p): New hook.
3038 * toplev.c (compile_file): Call output_object_blocks.
3039 (target_supports_section_anchors_p): New function.
3040 (process_options): Check that -fsection-anchors is only used on
3041 targets that support it and when -funit-at-a-time is in effect.
3042 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
3043 if the decl doesn't have one.
3044 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
3045 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
3046 of force_const_mem through use_anchored_address.
3047 (expand_expr_constant): New function.
3048 (expand_expr_addr_expr_1): Call it. Use the same modifier when
3049 calling expand_expr for INDIRECT_REF.
3050 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
3051 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
3052 * expr.h (use_anchored_address): Declare.
3053 * loop-unroll.c: Don't declare rtx vectors here.
3054 * explow.c: Include output.h.
3055 (validize_mem): Call use_anchored_address.
3056 (use_anchored_address): New function.
3057 * common.opt (-fsection-anchors): New switch.
3058 * varasm.c (object_block_htab, anchor_labelno): New variables.
3059 (hash_section, object_block_entry_eq, object_block_entry_hash)
3060 (use_object_blocks_p, get_block_for_section, create_block_symbol)
3061 (use_blocks_for_decl_p, change_symbol_section): New functions.
3062 (get_variable_section): New function, split out from assemble_variable.
3063 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
3064 use_blocks_for_decl_p say so. Use change_symbol_section if the
3065 symbol has already been created.
3066 (assemble_variable_contents): New function, split out from...
3067 (assemble_variable): ...here. Don't output any code for
3068 block symbols; just pass them to place_block_symbol.
3069 Use get_variable_section and assemble_variable_contents.
3070 (get_constant_alignment, get_constant_section, get_constant_size): New
3071 functions, split from output_constant_def_contents.
3072 (build_constant_desc): Create a block symbol if use_object_blocks_p
3073 says so. Or into SYMBOL_REF_FLAGS.
3074 (assemble_constant_contents): New function, split from...
3075 (output_constant_def_contents): ...here. Don't output any code
3076 for block symbols; just pass them to place_section_symbol.
3077 Use get_constant_section and get_constant_alignment.
3078 (force_const_mem): Create a block symbol if use_object_blocks_p and
3079 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
3080 (output_constant_pool_1): Add an explicit alignment argument.
3081 Don't switch sections here.
3082 (output_constant_pool): Adjust call to output_constant_pool_1.
3083 Switch sections here instead. Don't output anything for block symbols;
3084 just pass them to place_block_symbol.
3085 (init_varasm_once): Initialize object_block_htab.
3086 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
3087 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
3088 (place_block_symbol, get_section_anchor, output_object_block)
3089 (output_object_block_htab, output_object_blocks): New functions.
3090 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
3091 (TARGET_ASM_OUT): Include it.
3092 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
3093 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
3094 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
3095 (TARGET_INITIALIZER): Include them.
3096 * rtl.c (rtl_check_failed_block_symbol): New function.
3097 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
3098 (block_symbol, object_block): New structures.
3099 (rtx_def): Add a block_symbol field to the union.
3100 (BLOCK_SYMBOL_CHECK): New macro.
3101 (rtl_check_failed_block_symbol): Declare.
3102 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
3103 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
3104 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
3105 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
3106 * output.h (output_section_symbols): Declare.
3107 (object_block): Name structure.
3108 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
3109 (default_use_anchors_for_symbol_p): Declare.
3110 * Makefile.in (RTL_BASE_H): Add vec.h.
3111 (explow.o): Depend on output.h.
3112 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
3113 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3114 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3115 (rs6000_use_blocks_for_constant_p): New function.
3117 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3119 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
3121 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
3124 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
3127 2006-02-18 Diego Novillo <dnovillo@redhat.com>
3129 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
3133 2006-02-18 Jakub Jelinek <jakub@redhat.com>
3136 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
3137 instead of DECL_REGISTER.
3139 2006-02-18 Olivier Hainque <hainque@adacore.com>
3142 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
3144 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
3147 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
3148 * opth-gen.awk: Handle Var and InverseMask together.
3149 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
3150 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
3151 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
3152 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
3154 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
3155 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3156 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
3157 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3158 LINUX_DYNAMIC_LINKER): Define.
3159 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
3160 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
3162 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3163 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
3164 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3165 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3166 (TARGET_C99_FUNCTIONS): Don't define.
3167 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
3168 GLIBC_DYNAMIC_LINKER.
3169 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
3170 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
3171 GLIBC_DYNAMIC_LINKER64): Define.
3172 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
3173 LINUX_DYNAMIC_LINKER64.
3174 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3175 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3176 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
3177 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3178 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3179 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3180 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
3181 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
3182 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
3183 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
3184 and LINUX_DYNAMIC_LINKER32.
3185 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3186 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3187 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
3188 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3189 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
3191 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
3192 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
3193 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
3194 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3195 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3196 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
3197 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
3198 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
3199 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3200 LINUX_DYNAMIC_LINKER): Define.
3201 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
3202 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
3203 GLIBC_DYNAMIC_LINKER64): Define.
3204 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
3205 LINUX_DYNAMIC_LINKER64.
3206 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3207 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3208 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
3209 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3210 LINUX_DYNAMIC_LINKER): Define.
3211 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3212 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
3213 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
3214 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
3215 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
3216 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3217 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
3218 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
3219 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
3220 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3221 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3222 * doc/invoke.texi (-muclibc): Remove caveat about supported
3225 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
3227 * doc/cpp.texi (__TIMESTAMP__): Document.
3229 2006-02-17 Roger Sayle <roger@eyesopen.com>
3232 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
3233 C is one less than the width of X (and related transformations).
3234 * simplify-rtx.c (simplify_unary_operation_1): Transform
3235 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
3236 depending on STORE_FLAG_VALUE, were C is one less then the
3239 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
3241 Fix PR tree-optimization/26341
3242 * tree-ssa-operands.c (add_virtual_operand): Remove assert
3243 about NAME_MEMORY_TAG's.
3245 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3248 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
3249 with hardware float support, and software float support. Add fcpy
3250 alternative to hardware patterns. Add alternatives to copy between
3251 general and floating-point registers to the 32-bit pattern.
3252 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
3253 secondary reload to load a QI or HI mode constant into a floating
3255 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
3256 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
3258 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
3261 * config/rs6000/darwin.md (load_macho_picbase_si): Add
3263 (load_macho_picbase_di): Likewise.
3265 2006-02-16 Jeff Law <law@redhat.com>
3267 * tree-vrp.c (set_value_range_to_nonnegative): New function.
3268 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
3269 (ssa_name_nonzero_p): Likewise.
3270 (get_value_range): Return NULL if VRP is not running.
3271 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
3272 VRP routines do not discover a range.
3273 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
3274 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
3275 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
3276 (tree_expr_nonnegative_p): Similarly.
3277 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
3278 (restore_nonzero_vars_to_original_value): Remove.
3279 (unsafe_associative_fp_binop): Remove.
3280 (tree_ssa_dominator_optimize): Remove initialization and
3281 finalization of nonzero_vars and nonzero_vars_stack.
3282 (dom_opt_initialize_block): No longer push marker on
3284 (dom_opt_finalize_block): No longer call
3285 restore_nonzero_vars_to_original_value.
3286 (record_equivalences_from_phis): No longer look for
3287 nonzero PHI arguments.
3288 (cprop_into_successor_phis): No longer propagate nonzero
3289 property into PHI arguments. Lose unused argument. Caller
3291 (record_equivalences_from_stmt): No longer record nonzero
3292 values for SSA_NAMEs.
3293 (lookup_avail_expr): No longer use nonzero_vars.
3295 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
3296 for sizetype when sizetype is unsigned.
3298 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
3300 PR rtl-optimization/25603
3301 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
3302 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
3303 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
3304 with new meaning of SETS.
3306 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
3311 * config/linux.opt: New file.
3312 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
3313 LINUX_DYNAMIC_LINKER): Define.
3314 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
3315 * config.gcc (*-*-linux*): Define extra_options.
3316 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
3317 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
3318 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
3319 GLIBC_DYNAMIC_LINKER.
3320 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
3321 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3322 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3323 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3324 * doc/invoke.texi (GNU/Linux Options): New section.
3326 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3328 * config/sparc/sparc.md (setjmp): Rewrite.
3329 (setjmp_32): Delete.
3330 (setjmp_64): Likewise.
3332 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
3334 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
3337 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
3339 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
3342 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
3344 PR rtl-optimization/26296
3345 * Makefile.in (loop-invariant.c): Add except.h dependency.
3346 * loop-invariant.c: Include except.h.
3347 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
3349 2005-02-16 Paul Brook <paul@codesourcery.com>
3351 * reload1.c (emit_reload_insns): Invalidate dead input registers used
3354 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
3356 PR rtl-optimization/25636
3357 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
3358 when deciding whether an insn is an initializing insn.
3360 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
3362 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
3363 (tree_code_size): Ditto.
3364 * tree.h (struct tree_memory_tag): Remove parent_var.
3365 (struct tree_struct_field_tag): New.
3368 (union tree_node): Add sft member.
3369 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
3371 (create_sft): Add size and offset argument, set SFT_OFFSET and
3373 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
3374 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
3375 * tree-flow-inline.h (get_subvar_at): Update for
3376 SFT_OFFSET/SFT_SIZE.
3377 (var_can_have_subvars): Ditto.
3378 (overlap_subvar): Ditto.
3379 * print-tree.c (print_node): Print out interesting things for
3381 * tree-flow.h (struct subvar): Remove offset and size members.
3382 * tree-ssa-operands.c (get_expr_operands): Update for
3383 get_indirect_ref_operands changes.
3384 (get_indirect_ref_operands): Call add_virtual_operand instead of
3385 add_stmt_operand. Only recurse on base var if requested.
3386 (access_can_touch_variable): New function.
3387 (add_stmt_operand): Split virtual operand handling into ...
3388 (add_virtual_operand): Here. Add offset, size, and for_clobber
3389 arguments. Prune alias sets.
3390 (add_call_clobber_ops): Call add_virtual_operand.
3392 2006-02-15 Jakub Jelinek <jakub@redhat.com>
3395 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
3397 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
3398 than TREE_CODE as index into omp_clause_num_ops array.
3400 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
3402 PR rtl-optimization/26184
3403 * modulo-sched.c (generate_reg_moves): Free bitmap vector
3405 * modulo-sched.c (sms_schedule): Free g_arr pointer.
3406 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
3407 must_precede, must_follow and tobe_scheduled.
3410 * opts.c (common_handle_option): Free new_option pointer.
3411 * df-core.c (df_analyze): Free postorder pointer.
3413 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
3415 * Makefile.in: Fix the examples about the use of stamps
3417 2006-02-15 Michael Matz <matz@suse.de>
3421 * stor-layout.c (layout_decl): Zero-width bitfields aren't
3422 influenced by maximum_field_alignment or DECL_PACKED.
3423 (update_alignment_for_field): Ditto.
3424 (place_field): Ditto.
3425 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
3428 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
3430 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
3431 (debug_flow_info): Pass it.
3432 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
3433 * bb-reorder.c (reorder_basic_blocks): Likewise.
3434 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
3435 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
3436 * flow.c (life_analysis, recompute_reg_usage): Likewise.
3437 * gcse.c (gcse_main, bypass_jumps): Likewise.
3438 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
3439 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
3440 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
3441 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
3442 * rtl.h (dump_flow_info): Adjust prototype.
3443 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
3444 * var-tracking.c (variable_tracking_main): Likewise.
3445 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
3446 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
3449 2006-02-15 Marcin Dalecki <martin@dalecki.de>
3451 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
3454 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
3456 PR tree-optimization/26209
3457 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
3458 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
3460 * tree-cfg.c (replace_uses_by): Do not alter cfg.
3462 2006-02-14 Roger Sayle <roger@eyesopen.com>
3465 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
3466 (X,Y) and the corresponding symmetry related transformations.
3467 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
3468 (X,Y) and its symmetry related transformations.
3470 2006-02-14 Roger Sayle <roger@eyesopen.com>
3472 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
3475 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
3477 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
3479 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3482 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
3483 support COMDAT group.
3484 * configure: Regenerate.
3486 2006-02-14 Roger Sayle <roger@eyesopen.com>
3491 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
3493 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
3495 Fix PR tree-optimization/26260
3497 * doc/invoke.texi (max-fields-for-field-sensitive): Document
3499 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
3500 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
3501 * tree-ssa-structalias.c (create_variable_info_for): Use
3502 MAX_FIELDS_FOR_FIELD_SENSITIVE.
3504 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
3506 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
3508 * tree-ssa-loop-niter.c (number_of_iterations_ne,
3509 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
3510 of the ending condition.
3511 * tree-ssa-loop-manip.c: Include params.h.
3512 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
3513 tree_unroll_loop): New functions.
3514 * tree-pass.h (pass_loop_prefetch): Declare.
3515 * loop.c (rest_of_handle_loop_optimize): Test for
3516 -fprefetch-loop-arrays-rtl.
3517 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
3518 * timevar.def (TV_TREE_PREFETCH): New timevar.
3519 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
3520 pass_loop_prefetch): New.
3521 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
3522 (cleanup_tree_cfg_loop): Call scev_reset.
3523 * common.opt (fprefetch-loop-arrays-rtl): Add.
3524 * tree-ssa-loop-prefetch.c: New file.
3525 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
3526 (new_temp_expr_table): Initialize expr_vars.
3527 (free_temp_expr_table): Cleanup expr_vars.
3528 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
3529 expressions from being merged into one.
3530 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
3531 (struct tree_niter_desc): Add control, bound and cmp fields.
3532 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
3534 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
3535 (tree-cfgcleanup.o): Add SCEV_H dependency.
3536 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
3537 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
3539 2006-02-14 Richard Guenther <rguenther@suse.de>
3541 PR tree-optimization/26258
3542 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
3543 in PHI argument processing.
3545 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
3547 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
3548 new expression in the requested machine mode.
3550 2006-02-13 Roger Sayle <roger@eyesopen.com>
3552 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
3553 directly, instead let do_compare_rtx_and_jump handle this for us.
3554 * expr.c (expand_expr_real_1): Likewise.
3555 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
3556 before do_jump_by_parts_greater.
3557 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
3558 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
3560 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3562 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
3564 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
3566 PR rtl-optimization/26235
3567 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
3568 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
3571 2006-02-13 Jeff Law <law@redhat.com>
3573 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
3576 2006-02-13 Jakub Jelinek <jakub@redhat.com>
3579 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
3580 twice if decl is a builtin. When trying again, call get_callee_fndecl
3581 first to verify it is still a builtin.
3583 2006-02-13 Geoffrey Keating <geoffk@apple.com>
3585 * dwarf2out.c (base_type_die): Don't add AT_name here.
3586 (subrange_type_die): Don't add AT_name here.
3587 (modified_type_die): Rearrange code flow. Do add AT_name here.
3589 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
3591 PR rtl-optimization/26247
3592 PR rtl-optimization/26248
3593 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
3595 2006-02-13 Richard Sandiford <richard@codesourcery.com>
3597 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
3598 * config/fixtfdi.c: Likewise.
3599 * config/fixunstfdi.c: Likewise.
3600 * config/floatditf.c: Likewise.
3602 2006-02-13 Roger Sayle <roger@eyesopen.com>
3605 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
3606 into (X,C2) if C1 is a subset of the bits of C2. Transform
3607 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
3609 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
3611 2006-02-13 Josh Conner <jconner@apple.com>
3614 * varasm.c (function_section): Check for section name before
3615 calling select_section on targets that define
3616 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
3617 unlikely_text_section instead of hot_function_section if
3618 first_function_block_is_cold.
3620 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
3623 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
3625 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
3627 PR rtl-optimization/26222
3628 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
3629 after tree->rtl expansion.
3630 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
3631 before passing it to emit_move_insn.
3633 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
3635 * doc/invoke.texi (-Write-strings): Document that it is enabled by
3637 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
3638 Clarify documentation.
3639 * c-common.h (warn_write_strings): Remove.
3640 * c-common.c (warn_write_strings): Likewise.
3641 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
3644 2006-02-12 Roger Sayle <roger@eyesopen.com>
3647 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
3648 (do_jump_parts_zero_rtx): New function renamed from
3649 do_jump_parts_equality_rtx. Made static. Add a mode argument.
3650 (do_jump_parts_equality_rtx): New function split out from
3651 do_jump_parts_equality. Old implementation renamed as above.
3652 Call do_jump_parts_zero_rtx if either operand is zero.
3653 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
3654 do all of the heavy lifting.
3655 (do_compare_rtx_and_jump): Handle multi-word comparisons by
3656 calling either do_jump_by_parts_greater_rtx or
3657 do_jump_by_parts_equality_rtx.
3658 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
3659 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
3660 moved to do_compare_rtx_and_jump, call it directly.
3661 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
3662 mode argument. Call do_compare_rtx_and_jump.
3663 (emit_case_nodes): Update calls to do_jump_if_equal.
3665 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
3667 PR rtl-optimization/26225
3668 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
3670 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
3672 PR rtl-optimization/26232
3673 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
3675 2006-02-11 Jason Merrill <jason@redhat.com>
3678 * tree-inline.c (declare_return_variable): Just don't use the
3679 modify target if it's a gimple complex reg and the return slot
3682 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3684 * doc/contrib.texi: Update my entry.
3686 2006-02-10 Geoffrey Keating <geoffk@apple.com>
3688 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
3690 2006-02-10 Diego Novillo <dnovillo@redhat.com>
3692 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
3695 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
3697 * doc/invoke.texi (-floop-optimize2): Removed.
3698 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
3699 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
3700 Test flag_branch_on_count_reg only if HAVE_doloop_end.
3701 * common.opt (floop-optimize2): Removed.
3702 (fmove-loop-invariants): Enabled by default.
3704 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
3706 * tree-if-conv.c (combine_blocks): Free the result of
3707 get_loop_exit_edges.
3709 2006-02-10 Jeff Law <law@redhat.com>
3711 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
3713 PR tree-optimization/26213
3714 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
3715 loop trying to follow SSA_NAME_VALUE chains.
3717 2006-02-10 Richard Guenther <rguenther@suse.de>
3719 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
3720 deal with structures that end in implicitly variable sized arrays.
3722 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
3724 PR rtl-optimization/24762
3725 * df-scan.c (df_bb_refs_record): Record correct registers defined on
3728 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
3730 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
3731 (struct ivopts_data): Add regs_used field.
3732 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
3733 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
3734 instead of loop_data->regs_used;
3735 (free_loop_data): Do not free aux fields for loops.
3736 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
3737 and tree_ssa_iv_optimize_finalize.
3739 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
3741 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
3743 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
3746 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
3747 computing the effective result type.
3749 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
3752 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
3753 (tree_overlaps_hard_reg_set): Declare.
3754 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
3755 type and signature to match function type expected by walk_tree.
3756 (tree_overlaps_hard_reg_set): New function.
3757 (decl_conflicts_with_clobbers_p): Rename to:
3758 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
3759 Use tree_overlaps_hard_reg_set. Changed caller.
3760 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
3761 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
3762 * cris.c (cris_md_asm_clobbers): Likewise.
3764 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
3766 * reload1.c (emit_input_reload_insns): Delete code that tries to
3767 inherit using find_equiv_reg.
3769 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
3771 * c-common.h (flag_const_strings): Don't declare.
3772 * c-common.c (flag_const_strings): Remove.
3773 * c.opt (fconst_strings): Remove.
3774 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
3775 <OPT_Wwrite_strings>: Don't set flag_const_strings.
3776 (c_common_init_options): Don't set flag_const_strings.
3777 * doc/invoke.texi (-fno-const-strings): Remove documentation.
3779 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
3781 * arm.md (tlobits_cbranch): New pattern.
3782 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
3783 testing a single bit.
3785 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
3788 * tree-ssa-pre.c (create_component_ref_by_pieces):
3789 Handle RETURN_DECL like VAR_DECL.
3791 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
3794 * fold-const.c (fold_indirect_ref_1): Fold
3795 "*(foo *)&complexfoo" to "__real__ complexfoo"
3796 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
3798 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
3800 * tree-flow-inline.h (var_can_have_subvars):
3801 Volatile variables should not have subvariables.
3803 2006-02-09 Diego Novillo <dnovillo@redhat.com>
3806 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
3807 multiplying unsigned values.
3810 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
3812 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
3814 2006-02-08 Jason Merrill <jason@redhat.com>
3817 * tree.def: Elaborate on difference from MODIFY_EXPR.
3818 * doc/c-tree.texi (INIT_EXPR): Likewise.
3819 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
3820 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
3821 (gimplify_target_expr): Likewise.
3822 (gimplify_cond_expr): Remove target handling.
3823 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
3824 (gimplify_expr): Clobber it here.
3825 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
3826 Do return slot optimization if we have an INIT_EXPR.
3829 * tree-inline.c (declare_return_variable): Also clear
3830 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
3833 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
3836 * gimplify.c (gimplify_one_sizepos): Fix typo.
3838 2006-02-08 Jeff Law <law@redhat.com>
3840 PR tree-optimization/21417
3841 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
3842 across a backedge if the control statement at the end of the
3843 block is data dependent on other statements in the same block.
3844 (record_temporary_equivalences_from_stmts): Remove over-conservative
3845 test for threading across backedges.
3847 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
3848 control statement, handle all three special cases in the same
3849 manner as they all have the same desired solution. No longer
3850 special case edge flag updating when the post dominator is
3853 2006-02-08 Roger Sayle <roger@eyesopen.com>
3855 * tree.def (CHAR_TYPE): Remove.
3856 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
3857 * dwarf2out.c (base_type_die, is_base_type): Likewise.
3858 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
3859 (gen_string_type_die): Delete unreachable function.
3861 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
3862 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
3863 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
3864 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
3865 * builtins.c (type_to_class): Likewise.
3866 * fold-const.c (fold_convert, build_range_check,
3867 merge_ranges): Likewise.
3868 * expr.c (count_type_elements): Likewise.
3869 * c-pretty-print.c (pp_c_type_specifier): Likewise.
3870 * stor-layout.c (layout_type): Likewise.
3871 * ipa-type-escape.c (type_to_consider): Likewise.
3872 * gimplify.c (omp_firstprivatize_type_sizes,
3873 gimplify_type_sizes): Likewise.
3874 * explow.c (promote_mode): Likewise.
3875 * tree-sra.c (is_sra_scalar_type): Likewise.
3876 * varasm.c (output_constant): Likewise.
3877 * tree-inline.c (remap_type_1): Likewise.
3878 * convert.c (convert_to_pointer, convert_to_real,
3879 convert_to_integer, convert_to_complex): Likewise.
3881 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
3883 * df-scan.c (df_def_record_1): A set destination may
3884 be a parallel regardless of mode.
3886 2006-02-08 Roger Sayle <roger@eyesopen.com>
3889 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
3890 * config/mips/_tilib.c: Remove.
3891 * config/fixtfdi.c: New libgcc source file.
3892 * config/fixunstfdi.c: New source file.
3893 * config/floatditf.c: New source file.
3894 * config/floatunditf.c: New souce file.
3895 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
3896 files above instead of config/mips/_tilib.c.
3897 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
3899 2006-02-08 Jeff Law <law@redhat.com>
3901 PR tree-optimization/26169
3902 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
3905 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
3907 * df.h (DF_REG_SIZE): Return the length of the initialized
3910 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
3912 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
3913 __muldf3): Return a correctly signed zero.
3915 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
3917 * passes.c (register_one_dump_file): Accept the current properties
3918 instead of pass number. Adjust call to dump_register. Remove
3920 (register_dump_files): Now a wrapper around...
3921 (register_dump_files_1): ... this one. Do not modify the pass
3923 (next_pass_1): Cosmetic fix.
3924 (execute_todo): Keep second parameter only. Use curr_properties
3925 instead of fetching it from the pass structure. Check and set
3927 (execute_one_pass): Handle TODO_set_props. Use curr_properties
3928 instead of fetching it from the pass structure. Fix calls to
3929 execute_todo. Update curr_properties and initialize .vcg RTL dump
3930 after running the pass. Reset last_verified.
3931 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
3933 (FIRST_AUTO_NUMBERED_DUMP): New.
3934 (dump_register): Remove "num" parameter, assign it within the
3936 (get_dump_file_name): Modify template for dumps.
3937 * tree-dump.h (dump_register): Adjust prototype.
3938 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
3939 (PROP_trees): Add PROP_gimple_lomp.
3940 (TODO_set_props): New.
3941 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
3942 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
3943 * cfgexpand.c (pass_expand): Destroy PROP_trees.
3945 2006-02-08 Jakub Jelinek <jakub@redhat.com>
3947 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
3948 (sparc64-*-linux*): Likewise.
3949 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
3950 * config/sparc/t-linux: New file.
3951 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
3952 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
3953 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
3954 -m32 -mlong-double-128.
3956 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
3957 * config/alpha/t-linux: New file.
3958 * config/alpha/libgcc-alpha-ldbl.ver: New file.
3960 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
3961 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
3962 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
3963 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
3964 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
3965 (CPP_ARCH32_SPEC): Remove.
3967 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
3969 PR tree-optimization/26145
3970 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
3973 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3976 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
3977 >= 240000 when generating code for SOM runtime.
3978 (output_indirect_call): Don't use "b,l" instruction for indirect calls
3979 to $$dyncall when generating code for SOM runtime..
3981 2006-02-07 Dirk Mueller <dmueller@suse.com>
3984 * doc/invoke.texi (-Wsequence-point): Update documentation
3985 that -Wsequence-point is implemented for C++ as well.
3987 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
3989 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
3990 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
3991 (LIB_SPEC): Likewise.
3992 * doc/invoke.texi (SPARC options): Document -pthread.
3994 2006-02-07 Geoffrey Keating <geoffk@apple.com>
3996 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
3999 2006-02-07 Roger Sayle <roger@eyesopen.com>
4001 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
4002 Correct comment describing BOOLEAN_TYPE.
4004 2006-02-07 Dirk Mueller <dmueller@suse.com>
4006 * c.opt: C++ frontend supports -Wdiv-by-zero.
4007 * c-opts.c (c_common_handle_option): Remove dead case.
4009 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4011 * configure.ac (TLS assembler check): Do not enable TLS by
4012 default on SPARC/Solaris before version 10.
4013 * configure: Regenerate.
4015 2006-02-07 David Edelsohn <edelsohn@gnu.org>
4017 * doc/invoke.texi (xl-compat): Document conversion and support
4020 2006-02-07 Jeff Law <law@redhat.com>
4022 * tree-vrp.c (find_conditional_asserts): Update comments.
4023 (simplify_stmt_for_jump_threading): New.
4024 (identify_jump_threads, finalize_jump_threads): New.
4025 (vrp_finalize): Call identify_jump_threads.
4026 (execute_vrp): Call finalize_jump_threads.
4027 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
4028 (vrp_element, vrp_data, vrp_element_p): Remove.
4029 (vrp_hash_elt, vrp_variables_stack): Remove.
4030 (vrp_hash, vrp_eq, record_range): Remove.
4031 (simplify_cond_and_lookup_avail_expr): Remove.
4032 (extract_range_from_cond): Remove.
4033 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
4034 (simplify_stmt_for_jump_threading): New.
4035 (dom_thread_across_edge): New wrapper.
4036 (tree_ssa_dominator_optimize): No longer initialize or
4037 finalize any of the VRP datastructures. Remove iteration
4038 step and simplify as a result of removal of iteration step.
4039 (pass_dominator): Perform a cfg cleanup after DOM.
4040 (dom_opt_finalize_block): Use the new common routines
4041 for threading jumps. Simplify stack management slightly.
4042 No longer need to unwind VRP state.
4043 (record_equivalences_from_incoming_edge): No longer record
4045 (eliminate_redundant_computations): No longer call
4046 simplify_cond_and_lookup_avail_expr.
4047 * tree-flow.h (potentially_threadable_block): Prototype.
4048 (thread_across_edge): Likewise.
4049 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
4050 (tree-ssa-threadedge.o): Add dependencies.
4051 * tree-ssa-threadedge.c: New file.
4052 * passes.c (init_optimization_passes): Merge PHIs before
4053 calling VRP. Run VRP again late in the SSA optimization pipeline.
4055 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4057 * df-core.c (df_set_blocks): Do not dereference function pointers.
4058 (df_finish1): Likewise.
4059 (df_hybrid_search_forward): Likewise.
4060 (df_hybrid_search_backward): Likewise.
4061 (df_iterative_dataflow): Likewise.
4062 (df_analyze_problem): Likewise.
4063 (df_compact_blocks): Likewise.
4064 (df_dump): Likewise.
4065 * df-scan.c (df_rescan_blocks): Likewise.
4066 (df_record_entry_block_defs): Likewise.
4068 * genconditions.c (write_conditions): Guard the definition of
4069 'insn_conditions' with the check on GCC version.
4070 (write_writer): Guard the traversal 'insn_conditions' with
4071 the check on GCC version.
4073 2006-02-07 Richard Guenther <rguenther@suse.de>
4077 2006-01-30 Richard Guenther <rguenther@suse.de>
4079 * gimplify.c (gimplify_target_expr): Handle easy cases
4080 without creating a temporary.
4082 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
4084 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
4085 use of float in probability computations. Use edge probabilities
4086 in place of statically computed probabilities.
4087 (min_spec_prob): New static variable.
4088 (schedule_insns): Initialize it.
4089 (GET_SRC_PROB): Removed.
4090 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
4092 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
4095 * config/ia64/unwind-ia64.c: Revert last change.
4096 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
4097 (INCOMING_FRAME_SP_OFFSET): Define.
4099 2006-02-06 Roger Sayle <roger@eyesopen.com>
4101 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
4103 2006-02-07 Ben Elliston <bje@au.ibm.com>
4105 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
4106 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
4107 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
4108 (ix86_return_in_memory): Handle TDmode.
4109 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
4110 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
4112 2006-02-06 Richard Sandiford <richard@codesourcery.com>
4114 * reorg.c (dbr_schedule): Use dump_file instead of file.
4116 2006-02-06 Steve Ellcey <sje@cup.hp.com>
4119 * config/ia64/predicates.md (extr_len_operand): New predicate.
4120 * config/ia64/ia64.md (extv): Tighten constraints.
4122 (*tbit_and_2): Ditto.
4123 (*tbit_and_3): Ditto.
4124 (*tbit_or_2): Ditto.
4125 (*tbit_or_3): Ditto.
4129 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
4132 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
4134 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
4136 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
4137 loop_optimizer_init and loop_optimizer_finalize
4138 * tree-ssa-sink.c (execute_sink_code): Ditto.
4139 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4140 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
4141 tree_ssa_loop_done): Ditto.
4142 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
4143 * sched-ebb.c: Include output.h.
4144 (schedule_ebbs): Do not use dump argument.
4145 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
4146 * loop.c (loop_dump_stream): Removed.
4147 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
4149 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
4150 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
4151 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
4152 loop_iterations, strength_reduce, record_biv, record_giv,
4153 final_giv_value, check_final_value, check_ext_dependent_givs,
4154 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
4155 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
4156 dump_file instead of loop_dump_stream.
4157 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
4159 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
4161 * flow.c (life_analysis, rest_of_handle_life): Ditto.
4162 * haifa-sched.c: Include output.h
4163 (schedule_insns, sched_init): Do not use dump argument.
4164 * mode-switching.c (optimize_mode_switching): Ditto.
4165 * modulo-sched.c (stats_file): Removed.
4166 (print_node_sched_params): Do not call argument dump_file.
4167 (sms_schedule_by_order, loop_canon_p, sms_schedule,
4168 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
4170 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
4172 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
4173 rtl_loop_init, rtl_loop_done): Ditto.
4174 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
4175 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
4177 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
4178 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
4179 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
4180 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
4181 * emit-rtl.c (renumber_insns): Ditto.
4182 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
4183 expand_gimple_basic_block, tree_expand_cfg): Ditto.
4184 * regclass.c (regclass): Ditto.
4185 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
4186 remove_ssa_form, rewrite_out_of_ssa): Ditto.
4187 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
4188 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
4190 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
4191 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
4193 * gcse.c (gcse_file, debug_stderr): Removed.
4194 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
4195 rest_of_handle_gcse): Do not use dump argument.
4196 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
4197 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
4198 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
4199 compute_code_hoist_vbeinout, compute_code_hoist_data,
4200 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
4201 compute_store_table, build_store_vectors, insert_insn_start_bb,
4202 insert_store, remove_reachable_equiv_notes, replace_store_insn,
4203 store_motion): Use dump_file instead of gcse_file.
4204 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
4205 * profile.c (profile_dump_file): Removed.
4206 (branch_prob): Use dump_file instead of profile_dump_file.
4207 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
4209 * tree-ssa-copy.c (dump_copy_of): Ditto.
4210 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
4211 dump file to life_analysis.
4212 * bt-load.c (branch_target_load_optimize): Ditto.
4213 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
4215 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
4216 regclass, dbr_schedule): Declaration changed.
4217 * sched-int.h (sched_init): Declaration changed.
4218 * tree-profile.c (tree_profile_dump_file): Removed.
4219 (tree_profile_hooks): Removed profile_dump_file hook.
4220 * rtl-profile (rtl_profile_dump_file): Removed.
4221 (rtl_profile_hooks): emoved profile_dump_file hook.
4222 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
4224 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
4225 * tree-cfg.c (build_tree_cfg): Ditto.
4226 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
4227 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
4228 Declaration changed.
4229 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
4230 life_analysis and schedule_insns.
4231 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
4233 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
4235 * config/mips/mips.c (mips_reorg): Ditto.
4236 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
4239 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
4241 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4242 (s390_mangle_fundamental_type): New.
4243 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4246 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4247 (alpha_mangle_fundamental_type): New.
4248 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4251 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4253 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4255 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4256 (sparc_mangle_fundamental_type): New.
4258 2006-02-06 Jakub Jelinek <jakub@redhat.com>
4260 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
4261 (s390x-*-linux*): Likewise.
4262 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
4263 * config/s390/t-linux: New file.
4265 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
4267 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
4268 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
4270 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
4272 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
4273 (ANTIC_SAFE_LOADS): New macro.
4274 (find_or_generate_expression): Add prototype.
4275 (set_contains_value): Allow null set for sake of not always having
4276 to allocate ANTIC_SAFE_LOADS.
4277 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
4278 Allow COMPONENT_REF too.
4279 (valid_in_set): Allow COMPONENT_REF.
4280 Check ANTIC_SAFE_LOADS too.
4281 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
4282 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
4284 (can_PRE_operation): Add COMPONENT_REF.
4285 (create_component_ref_by_pieces): New function.
4286 (create_expression_by_pieces): Use create_component_ref_by_pieces.
4287 (insert_aux): Move AGGREGATE_TYPE_P check here.
4288 (compute_avail): Set bb local stmt uids.
4289 (pass_pre): Use TODO_update_ssa_only_virtuals.
4291 2006-02-06 Ben Elliston <bje@au.ibm.com>
4293 * configure.ac: Unconditionally disable decimal float by default.
4294 * configure: Regenerate.
4296 2006-02-06 Ben Elliston <bje@au.ibm.com>
4298 * read-rtl.c (read_name): Terminate reading on EOF.
4300 2006-02-06 Ben Elliston <bje@au.ibm.com>
4302 * dfp.c (decimal_real_arithmetic): Change second argument type
4303 from int to enum tree_code. Do not always return true, but now
4304 return result of any call to decimal_do helper functions.
4305 * dfp.h (decimal_real_arithmetic): Update prototype.
4307 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
4309 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
4311 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
4314 * tree-cfg.c (cleanup_dead_labels): Also don't remove
4317 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
4319 * tree-vrp.c (cfg_loops): Removed.
4320 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
4321 Use current_loops instead of cfg_loops. Pass flags to
4322 loop_optimizer_init.
4323 * cfgloopmanip.c (fix_loop_structure): Update only available
4325 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
4326 loop_optimizer_init.
4327 * modulo-sched.c (build_loops_structure): Removed.
4328 (sms_schedule): Use loop_optimizer_init.
4329 * loop-init.c (loop_optimizer_init): Use flags to determine
4330 which properties of loops to prepare.
4331 (rtl_loop_init): Pass flags to loop_optimizer_init.
4332 * tree-ssa-sink.c (execute_sink_code): Ditto.
4333 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
4334 * tree-ssa-pre.c (init_pre): Ditto.
4335 * cfgloop.h (LOOPS_NORMAL): New.
4336 (loop_optimizer_init): Declaration changed.
4338 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4340 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
4341 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
4343 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
4345 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
4347 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
4348 * pa/t-pa64: Delete quadlib.c rule.
4349 * pa/x-ada: Revert last change.
4350 * pa/t-pa: Revert last change. Delete quadlib.c rule.
4352 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
4354 PR rtl-optimization/26087
4355 * rtlanal.c (canonicalize_condition): Do not cross basic block
4358 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
4361 * config/ia64/ia64.c: Include debug.h.
4362 (MAX_ARTIFICIAL_LABEL_BYTES): New.
4363 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
4364 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
4365 (process_epilogue, process_set, process_for_unwind_directive):
4366 Output unwind info only if requested. Add CFA info if requested.
4367 Add new arguments as needed. Adjust callers.
4368 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
4370 (DWARF2_FRAME_INFO): Define to zero.
4371 * config/ia64/unwind-ia64.c: Remove code that compensated for
4372 the CFA offset error fixed above.
4373 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
4374 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
4375 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
4376 -funwind-tables and -fexceptions to enable frame info.
4377 (dwarf2out_frame_init): Define initial CFA even if
4378 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
4379 DWARF2_UNWIND_INFO is nonzero, not just defined.
4380 (dwarf2out_frame_finish): Output non-EH call frame info only
4381 if DWARF2_FRAME_INFO is nonzero.
4382 (convert_cfa_to_loc_list,
4383 compute_frame_pointer_to_cfa_displacement): Define even if
4384 unwind info is not supported.
4385 (gen_subprogram_die): Use the above unconditionally. Remove
4386 legacy alternate code.
4387 * toplev.c (compile_file): Compile in call to
4388 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
4389 (lang_dependent_init): Ditto for dwarf2out_frame_init.
4391 2006-02-04 David Edelsohn <edelsohn@gnu.org>
4392 Jakub Jelinek <jakub@redhat.com>
4394 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
4395 IBM extended float format long double as "g" on powerpc*-linux.
4397 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4400 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
4401 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
4403 2006-02-03 Jason Merrill <jason@redhat.com>
4406 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
4409 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
4410 on the return slot if it's an NRV.
4412 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
4414 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
4415 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
4416 rewrite_use): Do not handle USE_OUTER.
4417 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
4418 add_iv_outer_candidates, may_replace_final_value,
4419 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
4420 (find_interesting_uses_op): Functionality of
4421 find_interesting_uses_outer_or_nonlin moved here.
4422 (find_interesting_uses_outside): Use find_interesting_uses_op.
4424 2006-02-03 Alan Modra <amodra@bigpond.net.au>
4427 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
4429 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
4430 Ulrich Weigand <uweigand@de.ibm.com>
4433 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
4434 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
4435 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
4436 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
4438 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
4439 (s390_rtx_costs): Use the new fields to calculate rtx costs.
4440 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
4441 Define secondary reloads for TFmode moves.
4442 (constant_modes): Add TFmode.
4443 (NR_C_MODES): Set to 8.
4444 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
4446 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
4447 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
4448 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
4449 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
4450 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
4451 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
4452 (FPR mode macro): Add TFmode.
4453 (DSF mode macro): New.
4454 (<de>, <dee> mode attributes): Removed.
4455 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
4456 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
4457 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
4458 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
4459 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
4460 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
4461 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
4462 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
4463 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
4464 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
4465 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
4466 "*negabs<mode>2", "sqrt<mode>2"):
4467 Changed <de> to <xde>. R constraint replaced by <Rf>.
4468 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
4470 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
4471 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
4472 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
4474 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
4475 "extenddftf2", "extendsftf2"): New expanders.
4476 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
4477 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
4478 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
4479 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
4481 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
4482 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
4483 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
4484 __floatditf): Add a GCC_4.1.0 symbol version tag.
4485 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
4488 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
4491 * config/i386/i386.c (ix86_function_ok_for_sibcall):
4492 Use targetm.binds_local_p instead of TREE_PUBLIC.
4494 2006-02-02 Roger Sayle <roger@eyesopen.com>
4496 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
4497 on INTEGER_TYPEs to indicate that it denotes a character type.
4498 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
4499 signed_char_type_node, unsigned_char_type_node and char_type_node.
4500 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
4501 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
4502 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
4504 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
4505 Daniel Berlin <dberlin@dberlin.org>
4507 * tree-tailcall.c (arg_needs_copy_p): New function.
4508 (eliminate_tail_call): Use arg_needs_copy_p.
4509 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
4510 (add_virtual_phis): New function.
4512 2006-02-02 Jakub Jelinek <jakub@redhat.com>
4514 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
4515 #ignore instead of #scratch for %g7 .register directive.
4517 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
4519 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
4522 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
4524 * flow.c (calculate_global_regs_live): Assert that there aren't any
4527 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
4529 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
4531 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
4532 bsi_after_labels iterator.
4533 * tree-if-conv.c (find_phi_replacement_condition,
4534 replace_phi_with_cond_modify_expr): Likewise.
4535 * tree-scalar-evolution.c (scev_const_prop): Likewise.
4536 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
4538 2006-02-02 Diego Novillo <dnovillo@redhat.com>
4540 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
4542 2006-02-02 Diego Novillo <dnovillo@redhat.com>
4545 * tree-cfg.c (move_block_to_fn): Clear out the basic block
4546 array after growing it.
4548 2006-02-01 Steve Ellcey <sje@cup.hp.com>
4551 * fold-const.c (fold_checksum_tree): Change type of buf.
4553 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
4555 * reload.c (push_secondary_reload): Initialize t_icode.
4557 2006-02-01 Jakub Jelinek <jakub@redhat.com>
4559 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
4560 -msoft-float -mlong-double-128 only issue a warning, but don't
4561 swich to DFmode long double.
4563 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
4565 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
4566 has a constant equivalent, iterate over equivalents for arg0,
4567 calling simplify_relational_operation and if there's a result
4568 cheaper than X, apply fold_rtx and return the result.
4570 2006-02-01 Jan Hubicka <jh@suse.cz>
4572 * opts.c (no_unit_at_a_time_default): New global variable.
4573 (decode_options): Use it.
4574 * opts.h (no_unit_at_a_time_default): Declare.
4576 2006-02-01 Paul Brook <paul@codesourcery.com>
4578 * function.c (assign_parm_setup_reg): Use function argument promotion
4580 * expr.c (expand_expr_real_1): Use function argument promotion rules
4583 2006-02-01 Steve Ellcey <sje@cup.hp.com>
4585 * gcc.c (process_command): Change j to 'unsigned int'.
4587 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
4590 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
4591 Use the corrected index for the character
4592 out of the string constant.
4594 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
4596 * mode-switching.c (optimize_mode_switching): Fix size
4597 allocated for bb_info[n_entities].
4599 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
4601 * gcc.c (main): Correct type that is allocated for
4602 explicit_link_files.
4604 2006-01-31 Jakub Jelinek <jakub@redhat.com>
4606 * config/s390/s390.c (init_alignment_context): Set
4607 ALIAS_SET_MEMORY_BARRIER on the MEM.
4608 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
4610 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
4613 * loop-unroll.c (unroll_loop_runtime_iterations): Free
4615 * tree-ssa-live.c (type_var_init): Allocate bitmap after
4618 2006-01-31 Marcin Dalecki <martin@dalecki.de>
4620 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
4621 * regrename.c: Ditto.
4622 * tree-ssa-loop-im.c: Ditto.
4623 * tree-dump.c: Ditto.
4624 * tree-complex.c: Ditto.
4625 * genrecog.c: Ditto.
4626 * tree-ssa-threadupdate.c: Ditto.
4628 * java/class.c: Ditto.
4629 * java/jcf-parse.c: Ditto.
4630 * java/resource.c: Ditto.
4631 * java/except.c: Ditto.
4632 * java/jvspec.c: Ditto.
4633 * java/jcf-write.c: Ditto.
4634 * java/jcf-path.c: Ditto.
4635 * java/gjavah.c: Ditto.
4636 * java/zextract.c: Ditto.
4637 * java/jcf-io.c: Ditto.
4638 * java/jcf.h: Ditto.
4639 * java/buffer.c: Ditto.
4640 * java/lang.c: Ditto.
4641 * java/parse-scan.y: Ditto.
4642 * java/lex.c: Ditto.
4643 * java/lex.h: Ditto.
4644 * cfgloopmanip.c: Ditto.
4645 * postreload-gcse.c: Ditto.
4646 * tree-ssa-loop-manip.c: Ditto.
4647 * postreload.c: Ditto.
4648 * tree-ssa-loop-ch.c: Ditto.
4652 * diagnostic.c: Ditto.
4654 * genoutput.c: Ditto.
4656 * cfghooks.c: Ditto.
4657 * cfgloopanal.c: Ditto.
4658 * objc/objc-act.c: Ditto.
4660 * genextract.c: Ditto.
4661 * genautomata.c: Ditto.
4662 * pretty-print.c: Ditto.
4664 * cgraphunit.c: Ditto.
4667 * haifa-sched.c: Ditto.
4668 * dominance.c: Ditto.
4670 * tree-ssa-loop-ivopts.c: Ditto.
4672 * mode-switching.c: Ditto.
4673 * modulo-sched.c: Ditto.
4675 * ipa-pure-const.c: Ditto.
4677 * fix-header.c: Ditto.
4679 * tree-stdarg.c: Ditto.
4680 * ipa-utils.c: Ditto.
4681 * loop-init.c: Ditto.
4682 * ipa-inline.c: Ditto.
4685 * alloc-pool.c: Ditto.
4686 * dwarf2out.c: Ditto.
4688 * genattrtab.c: Ditto.
4689 * tree-ssa-loop-ivcanon.c: Ditto.
4693 * fortran/gfortranspec.c: Ditto.
4695 * local-alloc.c: Ditto.
4696 * langhooks.c: Ditto.
4697 * function.c: Ditto.
4698 * tree-vectorizer.c: Ditto.
4700 * ipa-type-escape.c: Ditto.
4702 * tree-if-conv.c: Ditto.
4705 * tree-data-ref.c: Ditto.
4706 * loop-unroll.c: Ditto.
4707 * treelang/treetree.c: Ditto.
4710 * ggc-common.c: Ditto.
4712 * coverage.c: Ditto.
4714 * tree-cfgcleanup.c: Ditto.
4715 * tree-ssa-pre.c: Ditto.
4716 * cfgcleanup.c: Ditto.
4717 * loop-invariant.c: Ditto.
4719 * ipa-prop.c: Ditto.
4720 * print-tree.c: Ditto.
4721 * conflict.c: Ditto.
4722 * ggc-page.c: Ditto.
4723 * sched-deps.c: Ditto.
4724 * regclass.c: Ditto.
4725 * tree-object-size.c: Ditto.
4727 * bb-reorder.c: Ditto.
4728 * resource.c: Ditto.
4729 * var-tracking.c: Ditto.
4731 * df-problems.c: Ditto.
4732 * reg-stack.c: Ditto.
4735 * sched-rgn.c: Ditto.
4736 * tree-ssa-structalias.c: Ditto.
4737 * tree-ssa-reassoc.c: Ditto.
4738 * config/darwin-c.c: Ditto.
4739 * config/darwin.c: Ditto.
4740 * config/arm/arm.c: Ditto.
4742 * collect2.c: Ditto.
4745 2006-01-31 Nicolas Pitre <nico@cam.org>
4747 * arm.md (smaxsi3): Make aware of smax_m1.
4750 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
4752 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
4754 2006-01-31 Richard Guenther <rguenther@suse.de>
4756 * doc/invoke.texi (-msselibm): Document.
4757 * target.h (expand_library_builtin): New target hook.
4758 * builtins.c (expand_builtin): Use expand_library_builtin.
4759 (default_expand_library_builtin): New function.
4760 * gcc.c (LINK_GCC_MATH_SPEC): Define.
4761 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
4762 (link_gcc_math_spec): Declare.
4763 (static_specs): Add link_gcc_math_spec.
4764 * expr.h (default_expand_library_builtin): Declare.
4765 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4766 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
4767 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
4768 * config/i386/i386.opt (msselibm): New target option.
4769 * config/i386/i386.c (ix86_builtin_function_variants): New array.
4770 (ix86_init_sse_abi_builtins): New function.
4771 (ix86_expand_library_builtin): Likewise.
4772 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4773 (override_options): Handle error conditions wrt -msselibm.
4774 (ix86_builtins): Add function codes for SSE2 ABI builtins.
4775 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
4776 * doc/extend.texi (__builtin_sse2_*): Document new target specific
4779 2006-01-31 Richard Guenther <rguenther@suse.de>
4780 Paolo Bonzini <bonzini@gnu.org>
4782 * doc/install.texi (--disable-libgcc-math): Document.
4784 2006-01-30 Marcin Dalecki <martin@dalecki.de>
4786 * expr.h (expand_normal): new inline function.
4787 * builtins.c: use it, use EXPAND_NORMAL explicitely.
4789 * dwarf2out.c: use it.
4794 * config/sparc/sparc.c: use it.
4795 * config/i386/i386.c: use it.
4796 * config/rs6000/rs6000.c: use it.
4797 * config/arm/arm.c: use it.
4798 * config/mips/mips.c: use it.
4799 * stmt.c: use it, use EXPAND_NORMAL explicitely.
4801 2006-01-30 Roger Sayle <roger@eyesopen.com>
4803 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
4804 argv to the appropriate type.
4806 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
4808 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
4811 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
4814 * config/s390/s390.c (struct machine_function): New flag
4815 decomposed_literal_pool_addresses_ok_p.
4816 (s390_reorg): Set it before final stage of literal pool transforms.
4817 (s390_decompose_address): Only accept displacements of the form
4818 (minus (label_ref ...) (label_ref ...)) if that flag is set.
4820 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
4822 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
4823 the comparison routine return.
4825 2006-01-30 Michael Matz <matz@suse.de>
4827 * global.c (find_reg): Only evict for global regs.
4828 Take n_refs into account and dump more info.
4830 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
4833 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
4834 (pragma_trap, pragma_nosave_low_regs): Likewise.
4835 (current_function_anonymous_args): Likewise.
4836 (sh_deferred_function_attributes): New variable.
4837 (sh_deferred_function_attributes_tail): Likewise.
4838 (print_operand): For '@', look up trap_exit attribute.
4839 (calc_live_regs): Look up trapa_handler attribute. For trapa
4840 handlers, save/restore fpscr, but don't do any other
4841 interrupt-specific saves.
4842 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
4843 Fix check for partially saved registers to check for SHmedia.
4844 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
4845 (sh_output_function_epilogue): Don't clear any of the removed
4847 (sh_insert_attributes): Don't check pragma_interrupt.
4848 Insert deferred attributes. Check that interrupt attribute is
4849 present for other attributes that require its presence.
4850 (sh_attribute_table): Add new attributes trapa_handler and
4852 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
4853 Don't check for pragma_interrupt. Don't store argument.
4854 * sh.h (pragma_interrupt, sp_switch): Don't declare.
4855 (sh_deferred_function_attributes): Declare.
4856 (sh_deferred_function_attributes_tail): Likewise.
4857 * sh.md (sp_switch_1): Add operand. Change generator caller.
4858 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
4859 (*return_i): Don't use when trap_exit attribute is in effect.
4860 (*return_trapa): New insn pattern.
4862 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
4863 setting c_target_objs and cxx_target_objs.
4864 * t-sh: Add rule for sh-c.o.
4866 2006-01-30 Richard Guenther <rguenther@suse.de>
4869 * gimplify.c (gimplify_target_expr): Handle easy cases
4870 without creating a temporary.
4872 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
4874 * vec.h (safe_grow): Remove duplicated line.
4876 2006-01-29 Diego Novillo <dnovillo@redhat.com>
4879 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
4880 (expand_omp): ... here.
4881 (expand_omp_parallel): Only remove barriers for combined
4882 parallel+workshare constructs.
4884 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
4888 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
4889 * tree.c (build_qualified_type): Chain the new type to the original
4890 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
4891 a POINTER_TYPE or a REFERENCE_TYPE respectively.
4892 (build_pointer_type_for_mode): Only return unqualified types.
4893 (build_reference_type_for_mode): Likewise.
4895 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
4897 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
4898 * Makefile.in (CXX_COMPAT_WARN): Define.
4899 * configure: Regenerate.
4901 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
4904 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
4907 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
4909 * toplev.c: Fix thinko.
4911 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
4912 Marcin Dalecki <martin@dalecki.de>
4914 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
4915 (push_srcloc): Use XNEW.
4916 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
4918 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
4920 * df-core.c (df_set_blocks): Deleted all variable.
4922 2006-01-28 Ian Lance Taylor <ian@airs.com>
4924 * cgraphunit.c (cgraph_assemble_pending_functions): Call
4925 cgraph_output_pending_asms.
4927 2006-01-28 Zack Weinberg <zackw@panix.com>
4929 * c.opt: Add -W(no-)overlength-strings.
4930 * doc/invoke.texi: Document it.
4931 * c-opts.c (c_common_handle_option): -pedantic implies
4932 -Woverlength-strings, if not explicitly disabled already.
4933 (c_common_post_options): -Woverlength-strings defaults to off, and
4934 is always off for C++.
4935 * c-common.c (fix_string_type): Issue warning about strings longer
4936 than is portable only if warn_overlength_strings. Rearrange code
4937 a little for clarity.
4938 * configure.in: Check for -Wno-overlength-strings as well before
4939 enabling -pedantic in stage 1.
4940 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
4941 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
4943 * genconditions.c (write_header, write_one_condition)
4944 (write_conditions, write_writer): Consolidate very long strings
4945 that were broken up to fit in C89 portable limit. Don't use
4946 printf when fputs will do.
4948 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
4950 * combine.c (simplify_comparison <AND>): Check
4951 TRULY_NOOP_TRUNCATION before start using a subreg.
4953 * config/mips/mips.md (*branch_zero<mode>,
4954 *branch_zero<mode>_inverted, *branch_equality<mode>,
4955 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
4956 Remove mode check from comparisons.
4958 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
4960 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
4962 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
4964 * expmed.c (const_mult_add_overflow_p): Remove.
4965 * expr.h: Remove the prototype for const_mult_add_overflow_p.
4967 * recog.c (validate_replace_rtx_subexp): Remove.
4968 * recog.h: Remove the prototype for
4969 validate_replace_rtx_subexp.
4971 * integrate.h: Remove the prototype for
4972 copy_decl_for_inlining.
4973 * rtl.h: Remove the prototype for mark_constant_function.
4974 * tree-vectorizer.h: Remove the prototype for
4975 vect_strip_conversion.
4977 * modulo-sched.c (create_partial_schedule,
4978 free_partial_schedule, reset_partial_schedule): Make them
4981 * hooks.c (hook_bool_rtx_int_false): Remove.
4982 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
4984 2006-01-28 David Edelsohn <edelsohn@gnu.org>
4986 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
4987 and -mlong-double-128 are incompatible.
4988 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
4989 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
4990 (TARGET_LIBGCC2_CFLAGS): Define.
4991 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
4992 (TARGET_LIBGCC2_CFLAGS): Same.
4993 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
4995 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
4998 * c-typeck.c (build_binary_op): Perform implicit casts of
4999 operands before shortening them.
5001 * cfgloopmanip.c (split_loop_bb): Remove.
5002 * cfgloop.h: Remove the prototype for split_loop_bb.
5004 * cfgloop.c (flow_loop_outside_edge_p): Remove.
5005 * cfgloop.h: Remove the prototype for
5006 flow_loop_outside_edge_p.
5008 * emit-rtl.c (init_virtual_regs): Make it static.
5009 * function.h: Remove the prototype for init_virtual_regs.
5011 * recog.c (peephole2_optimize): Make it static.
5012 * recog.h: Remove the prototype for peephole2_optimize.
5014 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
5016 * df-scan.c (df_record_entry_block_defs): Check if
5017 INCOMING_RETURN_ADDR_RTX is defined.
5019 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
5020 Kenneth Zadeck <zadeck@naturalbridge.com>
5022 PR rtl-optimization/24762
5023 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
5024 * targhooks.c (hook_void_bitmap): New hook prototype.
5025 * targhoohs.h (hook_void_bitmap): Ditto.
5026 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
5027 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
5028 * target.h (live_on_entry): New function pointer.
5029 * df-scan.c (df_all_hard_regs): Removed.
5030 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
5031 (df_scan_free_internal): Added df->entry_block_defs.
5032 (df_scan_alloc): Ditto.
5033 (df_scan_dump): Ditto.
5034 (df_uses_record): Plumbed flag field properly thru calls.
5035 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
5036 This part fixes PR24762.
5037 (df_bb_refs_record): Added code to make the frame and arg
5038 pointers live in EH blocks.
5039 (df_refs_record): Added call to df_record_entry_block_defs.
5040 (df_record_entry_block_defs): New function.
5041 * df-core.c: Added comments to describe new artifical defs.
5042 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
5043 (entry_block_defs): New field in struct df.
5044 (df_all_hard_regs): Deleted.
5045 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
5046 * df-problems.c (df_ru_bb_local_compute_process_def):
5047 Added code to handle artifical defs in the entry to a function.
5048 (df_ru_bb_local_compute): Ditto.
5049 (df_rd_bb_local_compute_process_def): Ditto.
5050 (df_rd_bb_local_compute): Ditto.
5051 (df_lr_bb_local_compute): Ditto.
5052 (df_ur_bb_local_compute): Ditto.
5053 (df_urec_bb_local_compute): Ditto.
5054 (df_chain_create_bb): Ditto.
5055 (df_ur_local_finalize): Removed entry.
5056 (df_urec_init): Ditto.
5057 (df_urec_local_finalize): Ditto.
5058 (df_ri_bb_compute): Added detection of last use of pseudos.
5059 * Makefile.in (df-scan.o): Updated dependencies.
5060 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
5061 * config/mips/mips.c (mips_set_live_on_entry): Added.
5062 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
5064 * dce.c (marked_insn_p): Added code to handle artifical defs.
5066 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
5068 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
5070 (_mm_cvtsi128_si64): Likewise.
5071 (_mm_cvtsd_si64): Likewise.
5072 (_mm_cvttsd_si64): Likewise.
5073 (_mm_cvtsi64_sd): Likewise.
5074 (_mm_cvtsi64_si128): Likewise.
5075 * config/i386/mmintrin.h (_m_from_int64): Likewise.
5076 (_mm_cvtsi64_m64): Likewise.
5077 (_m_to_int64): Likewise.
5078 (_mm_cvtm64_si64): Likewise.
5079 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
5080 (_mm_cvttss_si64): Likewise.
5081 (_mm_cvtsi64_ss): Likewise.
5082 (_mm_cvtss_f32): Likewise.
5084 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
5086 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
5087 for pragma redefine_extname.
5089 2006-01-27 Jakub Jelinek <jakub@redhat.com>
5092 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
5093 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
5094 -mno-minimal-toc to previous content.
5095 (bispecs): Remove goal.
5096 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
5097 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
5098 compatibility aliases on powerpc-*-*gnu*.
5099 * config/rs6000/libgcc-ppc-glibc.ver: New file.
5100 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
5101 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
5102 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
5103 (ldblspecs): New goal.
5104 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
5105 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
5107 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
5108 L_sf_to_tf or L_df_to_tf is defined.
5110 2006-01-27 David Edelsohn <edelsohn@gnu.org>
5111 Alan Modra <amodra@bigpond.net.au>
5114 * config/rs6000/linux.h (POWERPC_LINUX): Define.
5115 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
5116 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
5117 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
5118 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
5119 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
5120 (rs6000_override_options): Initialize rs6000_ieeequad.
5121 Initialize TFmode format to ibm_extended_format if not
5123 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
5125 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
5126 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
5127 (function_arg_advance): IBM long double passed in two FPRs, not
5129 (function_arg): IBM long double passed in FPRs.
5130 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
5131 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
5132 Only multireg GPR aligned.
5133 (rs6000_init_libfuncs): Enable IBM long double functions if not
5135 (rs6000_generate_compare): Use IBM long double compare if not
5137 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
5138 (TARGET_IEEEQUAD): Define.
5139 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
5140 not TARGET_IEEEQUAD.
5141 * config/rs6000/rs6000.md: Enable TFmode patterns if
5143 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
5144 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
5145 and -mlong-double-128 are incompatible.
5146 * doc/invoke.texi (-mabi): Collect options together. Add
5147 ibmlongdouble and ieeelongdouble.
5149 2006-01-27 Richard Sandiford <richard@codesourcery.com>
5151 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
5153 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
5154 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
5155 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
5156 * rtl.h (rtunion_def): Remove rt_ptr.
5158 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
5159 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
5160 * config/i386/winnt.c (i386_pe_mark_dllexport)
5161 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
5163 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
5165 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
5167 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
5171 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
5172 pthread_key_delete. From John David Anglin. gthrw-ify
5173 pthread_getunique_np only if it it's not a macro. Delete
5175 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
5176 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
5177 __gthread_objc_condition_signal, __gthread_key_delete): Add
5178 "__attribute__ ((__unused__))" to unused arguments.
5179 (__gthread_recursive_mutex_init_function): Add missing return.
5180 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
5181 gthr-posix95.h: Use macro-based approach for name redirection
5182 on targets missing weakref.
5184 2006-01-26 Zack Weinberg <zackw@panix.com>
5186 * genconditions.c (write_header): In generated code, #ifdef out
5187 all includes and fake declarations, except includes of bconfig.h
5188 and system.h, unless GCC_VERSION >= 3001. Do not include
5189 gensupport.h in any case.
5190 (write_conditions): Generate a definition of struct c_test. Add
5191 a comment to the generated #endif.
5192 (write_one_condition): Escape backslashes in string too.
5193 (write_writer): Generated code must escape backslashes and quote
5194 marks (but not newlines) in the strings it writes.
5195 * Makefile.in (build/gencondmd.o): Update dependencies.
5197 2006-01-26 Steve Ellcey <sje@cup.hp.com>
5200 * Makefile.in (insn-automata.o): Add header file dependencies.
5201 * genautomata.c: Add includes.
5203 2006-01-26 Steve Ellcey <sje@cup.hp.com>
5206 * Makefile.in (insn-automata.o): Add -Wno-error flag.
5208 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
5210 * configure.ac: Expect target tools paths to be passed from the toplevel
5211 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
5213 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
5215 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
5218 * c.opt (Wpointer-sign): Init to -1.
5219 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
5220 OPT_pedantic, to 0 otherwise.
5221 * doc/invoke.texi: Update.
5223 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
5225 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
5226 constants provided by 80387 instructions in the destination mode.
5228 2006-01-26 Richard Guenther <rguenther@suse.de>
5229 Andrew Pinski <pinskia@physics.uc.edu>
5232 partial PR tree-opt/17064
5233 * tree-ssa-structalias.c (intra_create_variable_infos):
5234 Create heap variables for incoming parameters if
5235 flag_argument_noalias > 1.
5236 (find_what_p_points_to): Look through default defs of
5239 2006-01-26 Jeff Law <law@redhat.com>
5242 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
5243 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
5244 within the VR_RANGE, use the VR_RANGE as the result, not the
5246 (adjust_range_with_scev): Reject ranges from SCEV which are out of
5247 bounds for the type.
5249 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
5251 * tree-ssa-alias.c (maybe_create_global_var): Change
5252 subvar walking to an assertion that we don't have subvar'd variables.
5254 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
5257 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
5258 Use a new variable, inner. PARM_DECLs are always non-weak.
5260 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
5262 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
5265 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
5267 * config/mips/mips.md (*clear_upper32): New combiner pattern.
5269 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
5271 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
5272 (smax_insn, smin_insn, smax_0, smin_0): New.
5274 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
5277 * config/cris/cris.c (cris_order_for_addsi3): New function.
5278 * config/cris/cris-protos.h: Prototype it.
5279 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
5280 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
5281 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
5282 (split for "op.S1 [rx=rx+i],ry (swapped)")
5283 (split for "op(s|u).S1 [rx=rx+i],ry")
5284 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
5285 Apply cris_order_for_addsi3 when generating addsi3 insns.
5287 2006-01-25 Diego Novillo <dnovillo@redhat.com>
5289 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
5290 (TREE_BLOCK): Add call to EXPR_CHECK.
5292 2006-01-25 Diego Novillo <dnovillo@redhat.com>
5295 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
5296 * tree-pretty-print.c (dump_omp_clause): Extract from ...
5297 (dump_omp_clauses): ... here.
5298 (dump_generic_node): Handle OMP_CLAUSE.
5299 * tree.c (omp_clause_num_ops): New.
5300 (omp_clause_code_name): New.
5301 (tree_code_size): Handle OMP_CLAUSE.
5302 (tree_size): Likewise.
5303 (make_node): Document handling of OMP_CLAUSE.
5304 (tree_node_structure): Handle OMP_CLAUSE.
5305 (omp_clause_check_failed): New.
5306 (omp_clause_range_check_failed): New.
5307 (omp_clause_operand_check_failed): New.
5308 (build_omp_clause): New.
5309 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
5310 * tree.h (enum omp_clause_code): Declare.
5311 (OMP_CLAUSE_SUBCODE_CHECK): Define.
5312 (OMP_CLAUSE_RANGE_CHECK): Define.
5313 (OMP_CLAUSE_ELT_CHECK): Define.
5314 (omp_clause_check_failed): Declare.
5315 (omp_clause_operand_check_failed): Declare.
5316 (omp_clause_range_check_failed): Declare.
5317 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
5318 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
5319 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
5320 (OMP_CLAUSE_LASTPRIVATE): Likewise.
5321 (OMP_CLAUSE_IF_EXPR): Likewise.
5322 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
5323 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
5324 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
5325 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
5326 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
5327 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
5328 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
5329 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
5330 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
5331 (OMP_CLAUSE_CODE): Define.
5332 (OMP_CLAUSE_SET_CODE): Define.
5333 (OMP_CLAUSE_CODE): Define.
5334 (OMP_CLAUSE_OPERAND): Define.
5335 (struct tree_omp_clause): Declare.
5336 (union tree_node): Add field 'omp_clause'.
5337 * treestruct.def (TS_OMP_CLAUSE): Define.
5338 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
5339 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
5340 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
5341 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
5342 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
5343 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
5344 (OMP_CLAUSE): Define.
5345 * print-tree.c (print_node): Handle OMP_CLAUSE.
5346 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
5347 * c-typeck.c: Likewise.
5348 * gimplify.c: Likewise.
5349 * c-omp.c: Likewise.
5350 * tree-nested.c: Likewise.
5351 * tree-inline.c: Likewise.
5352 * c-parser.c: Likewise.
5353 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
5356 2006-01-25 Roger Sayle <roger@eyesopen.com>
5358 PR rtl-optimization/25703
5359 * combine.c (try_combine): Handle zero_extract and strict_low_part
5360 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
5362 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
5364 * global.c: Fix comment typos.
5366 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
5369 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
5370 Use output_addr_const instead of assemble_name.
5372 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
5374 * Makefile.in (sched-vis.o): Update dependencies.
5375 * haifa-sched.c (sched_finish): Clear current_sched_info.
5376 * cfg.c (dump_bb_info): New, split from dump_flow_info.
5377 (dump_flow_info): Call it.
5378 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
5380 * basic-block.h (dump_bb_info): Declare.
5381 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
5382 option, and apply options only for dump files whose TDF_RTL,
5383 TDF_TREE, or TDF_IPA bits match.
5384 * rtl.h: Declare new functions exported from sched-vis.c.
5385 * sched-vis.c: Enable also if scheduling is not used.
5386 (print_value): Print the mode of registers if not inside scheduling.
5387 (print_insn): Make it work outside the scheduler. Beautify the output
5389 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
5391 2006-01-25 Richard Sandiford <richard@codesourcery.com>
5393 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
5394 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
5395 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
5396 depending on the value of CONSTANT_POOL_ADDRESS_P.
5397 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
5399 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
5400 rather than SYMBOL_REF_DECL.
5401 (rtx_constant_pool): Remove const_rtx_sym_htab.
5402 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
5403 (init_varasm_status): Don't initialize const_rtx_sym_htab.
5404 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
5405 Remove handling of const_rtx_sym_htab.
5406 (find_pool_constant): Delete.
5407 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
5408 rather than find_pool_constant.
5409 (get_pool_constant_for_function): Delete.
5410 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
5412 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
5413 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
5414 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
5415 (SYMBOL_REF_CONSTANT): New macro.
5416 (get_pool_constant_for_function): Delete.
5417 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
5418 rather than SYMBOL_REF_DECL.
5419 (i386_pe_mark_dllimport): Likewise.
5420 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
5421 rather than SYMBOL_REF_DECL.
5422 * config/darwin.c (machopic_indirect_data_reference): Likewise.
5423 (machopic_indirect_call_target): Likewise.
5425 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
5427 * flow.c (delete_noop_moves): Add missing EOL to dump message.
5429 2006-01-25 Richard Sandiford <richard@codesourcery.com>
5431 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
5433 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
5435 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
5437 2006-01-24 David Daney <ddaney@avtrex.com>
5440 * configure.ac (enable_tls): New enable option.
5441 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
5442 * configure: Regenerate.
5443 * doc/install.texi (--enable-tls): Document new option.
5444 (--disable-tls): Ditto.
5446 2006-01-24 Richard Henderson <rth@redehat.com>
5448 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
5449 * alias.c (true_dependence): Respect it.
5450 (canon_true_dependence, write_dependence_p): Likewise.
5451 * builtins.c (get_builtin_sync_mem): Set it.
5453 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
5455 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
5458 2006-01-24 DJ Delorie <dj@redhat.com>
5460 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
5461 for storing constants in single-bit bitfields.
5463 2006-01-25 Ben Elliston <bje@au.ibm.com>
5465 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
5467 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
5470 * tree-ssa-pre.c (phi_translate): Return NULL
5471 for AGGREGATE_TYPE's.
5473 2006-01-24 Zack Weinberg <zackw@panix.com>
5475 * genautomata.c (process_state_for_insn_equiv_partition):
5476 Use xcalloc for insn_arcs_array.
5477 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
5478 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
5480 2006-01-24 Richard Henderson <rth@redhat.com>
5482 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
5485 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
5487 PR rtl-optimization/25890
5488 PR rtl-optimization/25905
5489 * combine.c (expand_compound_operation, expand_field_assignment):
5490 Fail if the bitfield's final position is out of bounds.
5492 2006-01-24 Ian Lance Taylor <ian@airs.com>
5495 * cgraphunit.c (cgraph_output_in_order): Don't clear
5496 cgraph_asm_nodes until after asm strings have been output.
5498 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
5500 * fix-header.c (read_scan_file): Add new parameter imultilib when
5501 calling register_include_chains.
5503 2006-01-23 Diego Novillo <dnovillo@redhat.com>
5505 * omp-low.c: Update documentation.
5507 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
5508 Daniel Berlin <dberlin@dberlin.org>
5512 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
5513 return from the function.
5515 2006-01-22 Zack Weinberg <zackw@panix.com>
5517 * rtl.def (match_code): Add second argument.
5518 * genpreds.c (write_extract_subexp): New function.
5519 (write_match_code): Add path argument. Use write_extract_subexp.
5520 (write_predicate_expr): Pass path to write_match_code.
5521 (mark_mode_tests): MATCH_CODE applied to a subexpression does
5522 not perform a mode test.
5523 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
5524 a subexpression does not constrain the top-level code set.
5525 * read-rtl.c (read_rtx_variadic): New function.
5526 (read_rtx_1): Use it; allow AND and IOR to be variadic.
5527 * doc/md.texi: Document new notation.
5528 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
5529 (cmpsi_operand): ... here, using new notation.
5531 2006-01-22 Zack Weinberg <zackw@panix.com>
5533 * varray.c: Remove GENERATOR_FILE #ifdefs.
5535 2006-01-22 Zack Weinberg <zackw@panix.com>
5537 * genautomata.c (output_reserved_units_table): Emit nothing if
5538 description->query_units_num is zero. Remove extra blank line.
5539 (output_cpu_unit_reservation_p): Short circuit
5540 if description->query_units_num is zero.
5542 2006-01-22 Zack Weinberg <zackw@panix.com>
5544 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
5545 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
5546 nor any of the random handful of variables that used to be necessary
5547 when this program was linked with rtlanal.o. Prune set of forward
5548 function declarations.
5549 (struct attr_desc): Remove static_p field.
5550 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
5551 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
5552 (attr_string): Do not read the character one past the length of
5554 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
5555 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
5556 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
5557 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
5558 (make_automaton_attrs): New.
5559 (main): Do not call into genautomata. Call local gen_bypass
5560 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
5561 Remove special case for insn_alts.
5562 * genautomata.c: Include gensupport.h; not genattrtab.h nor
5563 varray.h (leftover from previous change). Prune set of forward
5564 function declarations. Remove state_alts fields from all
5565 structures. Remove state_alts_table from struct automaton.
5566 Make everything except main static. Do not maintain num_dfa_decls.
5567 Do not maintain state_alts fields of various structures.
5568 (process_decls): Don't validate condexp for dm_insn_reserv decls.
5569 (add_arc): Remove state_alts argument. All callers updated.
5570 (output_reserved_units_table): Emit #ifdef here...
5571 (output_tables): ...not here. Don't generate state_alts tables.
5572 (expand_automata): Don't generate attributes.
5573 (write_automata): Don't generate state_alts functions.
5574 (main): New function.
5575 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
5576 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
5577 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
5578 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
5579 (BYPASS_P_FUNC_NAME, output_state_alts_table)
5580 (output_automata_list_state_alts_code, output_internal_state_alts_func)
5581 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
5582 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
5584 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
5585 * genattrtab.h: Delete file.
5586 * Makefile.in (OBJS-common): Add insn-automata.o.
5587 (insn-automata.o): New rule.
5588 (simple_generated_c): Add insn-automata.c.
5589 (build/genattrtab.o, build/genautomata.o): Update dependencies.
5590 (genprogmd): Add automata.
5591 (build/genattrtab): Needs no extra objects nor libraries.
5592 (build/genautomata): Needs build/vec.o and -lm.
5594 2006-01-22 Zack Weinberg <zackw@panix.com>
5596 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
5597 (output_dfa_max_issue_rate, locked_states_num): Delete.
5598 (struct automaton): Add locked_states field.
5599 (output_dead_lock_vect): Save number of locked states in
5600 automaton->locked_states. If it is zero, don't print anything.
5601 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
5602 (output_internal_dead_lock_func): Only test the dead_lock_vect
5603 for automata that have locked states.
5604 (output_statistics): Always print the number of locked states for
5605 each automaton. Calculate total number of locked states here.
5606 (write_automata): Don't call output_dfa_max_issue_rate.
5607 * genattrtab.c: Define length_unit_log as a const variable.
5608 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
5609 max_insn_queue_index const.
5610 * final.c (length_unit_log): Declare const.
5611 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
5613 2006-01-22 Zack Weinberg <zackw@panix.com>
5615 * genautomata.c: Include vec.h, not varray.h.
5616 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
5617 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
5618 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
5619 VEC_* macros operating on appropriately typed vectors, or to
5620 malloced arrays when the size is known in advance. Const-ify
5621 many char* variables and function arguments. No functional changes.
5622 * Makefile.in (build/varray.o): Delete rule.
5623 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
5624 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
5626 2006-01-22 Zack Weinberg <zackw@panix.com>
5628 * gensupport.c: Define get_insn_name and record_insn_name here.
5629 (read_md_rtx): Call record_insn_name as appropriate.
5630 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
5631 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
5632 * genpreds.c, genrecog.c: Don't define get_insn_name nor
5634 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
5635 (BUILD_VARRAY): Delete.
5636 (genprognormal): Rename genprogmd. Fold in all programs from
5637 genprognoprint; also attrtab.
5638 (build/genattrtab): Just mention genautomata.o and varray.o.
5639 Reorganize a bit, add comments to make the categories clearer.
5641 2006-01-22 Zack Weinberg <zackw@panix.com>
5643 * genconditions.c (condition_table, add_condition): Delete.
5644 (write_conditions): Don't emit n_insn_conditions nor
5645 insn_elision_unavailable. Issue the gcc version #ifdef here,
5646 inside the table, with no #else clause ...
5647 (write_header): ...not here.
5648 (write_writer): New function.
5649 (main): Don't initialize condition_table. Use add_c_test.
5651 * gensupport.c (init_md_reader_args_cb): Handle multiple input
5652 files on the command line.
5653 (maybe_eval_c_test): Don't check insn_elision_unavailable.
5654 Return -1 if there is no entry in the table, don't abort.
5655 (add_c_test, traverse_c_tests): New functions.
5656 * gensupport.h (insn_elision_unavailable, insn_conditions)
5657 (n_insn_conditions): Delete declarations.
5658 (add_c_test, traverse_c_tests): Declare.
5659 * read-rtl.c: Include gensupport.h.
5660 (read_conditions): New function.
5661 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
5662 (read_rtx_1): If we get EOF when we were looking for an initial
5663 open paren, return 0. Call read_conditions when appropriate.
5664 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
5665 dummy-conditions.o. Eliminate references to insn-conditions.o,
5666 or change them to build/gencondmd.o, as appropriate. Remove
5667 insn-constants.h from $(simple_generated_h) and insn-conditions.c
5668 from $(simple_generated_c). For all files remaining in those
5669 two lists, add insn-conditions.md to the generator command line.
5670 Give insn-constants.h/s-constants their own rules. Add rules
5671 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
5672 (build/read-rtl.o): Depend on gensupport.h.
5673 (genprognormal): Include preds.
5674 (genprogearly): Rename genprognoprint; only difference is now that
5675 they don't link with $(BUILD_PRINT).
5676 * dummy-conditions.c: Delete.
5678 2006-01-22 Zack Weinberg <zackw@panix.com>
5680 * genextract.c: Don't include insn-config.h. Do include vec.h.
5681 Declare vectors of int, char, and locstr.
5682 (locstr): New typedef.
5683 (struct extraction): Make all array fields into bare pointers.
5684 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
5685 (insn_code_number): Delete.
5686 (accum_extract): New struct.
5687 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
5688 (gen_insn): Take insn_code_number as an argument. Use an
5689 accum_extract structure instead of loading data directly into
5690 a struct extraction, and having to know how big it might get.
5691 (walk_rtx): Operate entirely on an accum_extract structure.
5692 (print_path): Avoid unnecessary use of printf.
5693 (print_header): New function, split out of main. Distinguish
5694 more carefully between an unrecognizable insn and an insn that
5695 has the code number of a define_expand.
5696 (main): Pass insn_code_number to gen_insn. Call print_header
5697 only after parsing. Avoid unnecessary use of printf.
5698 * Makefile.in (build/vec.o): New rule.
5699 (build/genextract): Depend on build/vec.o.
5700 (build/genextract.o): Don't depend on insn-config.h.
5702 2006-01-22 Zack Weinberg <zackw@panix.com>
5704 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
5705 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
5706 practical. Eliminate per-generator-program link rules.
5708 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
5711 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
5712 with a call expr to ...
5713 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
5715 2006-01-23 Richard Guenther <rguenther@suse.de>
5717 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
5718 before make_edge with conditional EDGE_TRUE_VALUE.
5720 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
5721 Jan Hubicka <jh@suse.cz>
5722 Richard Guenther <rguenther@suse.de>
5724 PR rtl-optimization/25654
5725 * cfgexpand.c (aggregate_contains_union_type): New function.
5726 (add_alias_set_conflicts): Call it. Make sure to add conflicts
5727 for structure variables that contain a union type.
5729 2006-01-23 Richard Sandiford <richard@codesourcery.com>
5731 * gengtype.c (new_structure): Return the structure.
5732 (create_option): Add an extra "next" argument.
5733 (create_field): New function.
5734 (adjust_field_rtx_def): Use create_option and create_field.
5735 Remove a now-unnecessary call to find_structure.
5736 (adjust_field_tree_def): Likewise.
5737 (note_yacc_type): Remove an unnecessary call to find_structure.
5738 * gengtype.h (new_structure): Return the structure.
5739 (create_option): Add an extra argument.
5740 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
5741 (option): Adjust calls to create_option.
5743 2006-01-22 David Edelsohn <edelsohn@gnu.org>
5745 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
5747 2006-01-22 Paul Brook <paul@codesourcery.com>
5748 Peter Barada <peter@the-baradas.com>
5750 * config/m68k/m68k.md: Add Coldfire FPU support.
5751 Define FP mode macro and associated attributes.
5752 Use it for float mode patterns.
5753 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
5754 (LIBCALL_VALUE): Use m68k_libcall_value.
5755 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
5756 (m68k_function_value): Ditto.
5757 (emit_move_sequence): Ditto.
5758 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
5759 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
5760 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
5761 (MULTILIB_EXCEPTIONS): Ditto.
5762 * config/m68k/m68k.opt: Add mcfv4e.
5763 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
5764 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
5765 (m68k_output_function_prologue): Save ColdFire FPU registers.
5766 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
5767 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
5768 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
5769 ColdFire FPU registers.
5770 (m68k_libcall_value, m68k_function_value): New functions.
5771 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
5772 (LIBCALL_VALUE): Use m68k_libcall_value.
5773 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
5774 (MASK_COLDFIRE): Add MASK_CFV4E.
5775 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
5776 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
5777 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
5778 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
5779 (GO_IF_LEGITIMATE_ADDRESS): Use it.
5780 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
5781 * doc/invoke.tex: Document -mcfv4e on m68k.
5783 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
5785 * doc/contribute.texi: Change CVS to SVN and update the corresponding
5788 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
5791 * c-opts.c (c_common_handle_option): Don't include
5792 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
5793 * doc/invoke.texi (C++ Dialect Options): Document that
5794 -Wnon-virtual-dtor is no longer included in -Wall.
5796 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
5798 * gcov.c (print_version), gcov-dump.c (print_version),
5799 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
5802 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
5804 * df-scan.c (problem_SCAN): Added NULL reset function.
5805 (df_scan_reset_blocks): Added code to call reset block function
5806 (df_bb_refs_delete) Fixed comment.
5807 (df_insn_refs_delete): Made tolerant of deleting non existent info
5808 for dataflow problems that need to be reset.
5809 * df-core.c (df_set_blocks): Ditto.
5810 * df.h (struct df_problem): Added reset_fun.
5811 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
5812 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
5813 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
5814 functions to clear out all references to def-use or use-def chains.
5816 2006-01-21 Ben Elliston <bje@au.ibm.com>
5818 * varasm.c (assemble_real): Initialise data array.
5820 2006-01-20 Paul Brook <paul@codesourcery.com>
5822 Merge from csl-arm-branch.
5823 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
5824 * config/arm/arm.md (movdi): Force operands[1] to a register
5825 if we have a non-register source.
5826 (*arm_movdi, *movdf_soft_insn): Require that one of the
5827 operands be a register.
5828 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
5829 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
5831 2006-01-20 DJ Delorie <dj@redhat.com>
5833 * varasm.c (initialize_constant_valid_p): Allow pointers
5834 initialized from integer constants of lesser precision.
5835 (output_constant): Allow non-int-sized pointer modes to be
5836 initialized from integer constants.
5838 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
5841 * cppdefault.h (struct default_include): Add multilib flag.
5842 * cppdefault.c (cpp_include_defaults): Set it.
5843 * c.opt (-imultilib): New option.
5844 * c-opts.c (imultilib): New.
5845 (c_common_handle_option): Handle -imultilib.
5846 (c_common_post_options): Likewise.
5847 * c-incpath.c (add_standard_paths, register_include_chains):
5849 * c-incpath.h (register_include_chains): Add extra parameter.
5850 * gcc.c (do_spec_1): Generate -imultilib option.
5851 (The Specs Language): Update %I description.
5852 (process_command): Update copyright notice.
5853 * doc/cppopts.texi (-imultilib): Document.
5854 * doc/invoke.texi (-imultilib): Include in option summary.
5855 (%I): Update specs documentation.
5857 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
5859 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
5861 2006-01-20 Richard Sandiford <richard@codesourcery.com>
5863 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
5866 2006-01-20 Richard Guenther <rguenther@suse.de>
5867 Steven Bosscher <stevenb.gcc@gmail.com>
5869 PR rtl-optimization/24626
5870 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
5871 EDGE_TRUE_VALUE if in RTL mode.
5874 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
5875 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
5877 2006-01-20 Dirk Mueller <dmueller@suse.com>
5880 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
5881 instead of a special NOP marker.
5882 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
5883 NOP marker handling.
5884 * c-common.h (empty_body_warning): Add forward declaration.
5885 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
5886 Now uses IS_EMPTY_STMT() instead of special NOP markers.
5888 2006-01-20 Paul Brook <paul@codesourcery.com>
5890 * Makefile.in (lang_checks): Keep going if mkdir fails.
5892 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
5894 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
5895 be able to clean out basic block when not necessary.
5896 (df_scan_free): Fixed to properly delete information if df is
5897 unused before calling df_finish.
5898 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
5899 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
5901 (df_bb_refs_delete): New function.
5902 (df_refs_delete): Moved per block code to df_bb_refs_delete.
5903 * df-core.c (df_set_blocks): Added code to properly clean out
5904 unused blocks if they are not part of the blocks to consider.
5905 Added additional null check.
5906 (df_compact_blocks): Added basic block parameter to free_bb_fun to
5907 be able to clean out basic block when not necessary
5908 * df.h (df_free_bb_function): Ditto.
5909 (df_bb_refs_delete): New function.
5910 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
5911 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
5912 basic block parameter to be able to clean out basic block when not
5914 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
5915 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
5916 Fixed to properly delete information if df is unused before
5919 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
5921 PR rtl-optimization/25799
5922 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
5923 Corrected confluence operator to remove bits from op2 before oring
5924 with op1 rather than removing bits from op1.
5925 (df_ru_transfer_function): Corrected test on wrong bitmap which
5926 caused infinite loop. Both of these problems were introduced in
5927 the dataflow rewrite.
5929 2006-01-19 DJ Delorie <dj@redhat.com>
5931 * reload1.c (find_reload_regs): Note the details of reload
5932 failures in the dump file.
5933 (spill_failure): Likewise.
5935 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
5937 * loop-iv.c: Include df.h and hashtab.h.
5938 (enum iv_grd_result): New enum.
5939 (DF_REF_IV, DF_REF_IV_SET): New macros.
5940 (struct biv_entry): New.
5941 (df, bivs): New global variables.
5942 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
5943 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
5945 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
5946 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
5947 analyzed_for_bivness_p, record_biv): New functions.
5948 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
5949 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
5950 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
5952 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
5954 (iv_number_of_iterations): Use new interface to iv analysis.
5955 * loop-unroll.c: Do not include varray.h.
5956 (analyze_iv_to_split_insn): Use new interface to iv
5958 * loop-unswitch.c (may_unswitch_on): Ditto.
5959 * df.c (df_bitmaps_free): Only work for bbs for that structures are
5961 (df_bb_modify): Realloc tables to the new index.
5962 (df_find_use): New function.
5963 * df.h (df_find_use): Declare.
5964 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
5966 * cfgloop.h (struct rtx_iv): Remove analysed field.
5967 (iv_get_reaching_def): Removed.
5968 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
5969 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
5970 (loop-iv.o): Add df.h and hashtab.h dependency.
5971 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
5973 2006-01-20 Alan Modra <amodra@bigpond.net.au>
5976 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
5978 (__floatundisf, __floatundidf): Likewise.
5979 * libgcc2.h (IS_IBM_EXTENDED): Define.
5981 2006-01-19 DJ Delorie <dj@redhat.com>
5983 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
5985 2006-01-19 Paul Brook <paul@codesourcery.com>
5987 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
5988 as nothrow when unwinding tables are disabled.
5990 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5993 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
5994 of bit-field" when in system header.
5996 2006-01-19 DJ Delorie <dj@redhat.com>
5998 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
5999 the 16 bit shift limit of the m16c.
6001 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
6004 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
6005 * config/i386/i386.c (output_set_got): Output the label if we have one
6006 for the TARGET_DEEP_BRANCH_PREDICTION case.
6008 2006-01-19 Jan Hubicka <jh@suse.cz>
6009 H.J. Lu <hongjiu.lu@intel.com>
6010 Evandro Menezes <evandro.menezes@amd.com>
6012 * invoke.texi (generic): Document
6014 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
6015 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
6016 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
6017 (x86_use_incdec, x86_pad_returns): New variables
6018 (TARGET_CPU_DEFAULT_generic): New constant
6019 (TARGET_CPU_DEFAULT_NAMES): Add generic.
6020 (enum processor_type): Add generic32 and generic64.
6021 * i386.md (cpu attribute): Add generic32/generic64
6022 (movhi splitter): Behave sanely when both partial_reg_dependency and
6023 partial_reg_stall are set.
6024 (K8 splitters): Enable for generic as well.
6025 * predicates.md (incdec_operand): Use TARGET_INCDEC
6026 (aligned_operand): Avoid memory mismatch stalls.
6027 * athlon.md: Enable for generic64, new patterns for 128bit moves.
6028 * ppro.md: Enable for generic32
6029 * i386.c (generic64_cost, generic32_cost): New.
6030 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
6031 (x86_use_leave): Enable for generic64. (x86_use_sahf,
6032 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
6033 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
6034 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
6035 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
6036 x86_partial_reg_dependency, x86_memory_mismatch_stall,
6037 x86_accumulate_outgoing_args, x86_prologue_using_move,
6038 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
6039 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
6041 (x86_use_incdec, x86_pad_returns): New.
6042 (override_options): Add generic32 and generic64, translate "generic"
6043 to generic32/generic64 and "i686" to "generic32", refuse
6044 "generic32"/"generic64" as arch target.
6045 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
6046 (ix86_reorg): Honor PAD_RETURNS.
6048 2006-01-19 Diego Novillo <dnovillo@redhat.com>
6050 * tree-pretty-print.c (dump_generic_node): Handle
6051 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
6052 * cgraph.c (cgraph_expand_queue): Rename from
6053 cgraph_analyze_queue. Update all users.
6054 * cgraphunit.c (cgraph_assemble_pending_functions): Process
6055 cgraph_expand_queue.
6056 (cgraph_expand_all_functions): Likewise.
6057 (cgraph_finalize_pending_functions): Remove. Update callers.
6059 * tree.h (OMP_DIRECTIVE_P): Define.
6060 (OMP_PARALLEL_FN): Define.
6061 (OMP_PARALLEL_DATA_ARG): Define.
6062 (OMP_SECTIONS_SECTIONS): Define.
6063 * tree-pass.h (pass_expand_omp): Declare.
6064 * omp-low.c (struct omp_region): Declare.
6065 (struct omp_context): Remove fields 'parallel_type',
6066 'parallel_start_ix' and 'parallel_start_additional_args'.
6068 (struct omp_for_data): Rename from struct expand_omp_for_data.
6069 (omp_regions): New static variable.
6070 (root_omp_region): New static variable.
6071 (find_omp_clause): Make static.
6072 (is_in_combined_parallel_ctx): Remove.
6073 (is_combined_parallel): New.
6074 (extract_omp_for_data): Move earlier in the file.
6075 (workshare_safe_to_combine_p): New.
6076 (get_ws_args_for): New.
6077 (determine_parallel_type): Move earlier in the file.
6078 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
6080 (omp_copy_decl): Likewise.
6081 (create_omp_child_function): Likewise.
6082 (lookup_omp_region): New.
6083 (dump_omp_region): New.
6084 (debug_omp_region): New.
6085 (debug_all_omp_regions): New.
6086 (new_omp_region): New.
6087 (scan_omp_parallel): If parallel_nesting_level > 1, the
6088 directive is nested within another parallel directive.
6089 Set OMP_PARALLEL_FN.
6090 (scan_omp_for): Do not try to handle combined parallel+for
6092 Remove FIXME comment.
6093 (scan_omp_nested): Remove.
6094 (scan_omp_1): Do not call scan_omp_nested when
6095 parallel_nesting_level is > 1.
6096 Do not change the DECL_CONTEXT of local variables found.
6097 (lookup_decl_in_outer_ctx): New.
6098 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
6099 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
6100 (lower_reduction_clauses): Rename from expand_reduction_clauses.
6101 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
6102 If CTX is nested, lookup VAR in the outer context when
6103 building copy assignment.
6104 (lower_send_clauses): Rename from expand_send_clauses.
6105 If CTX is nested, lookup VAR in the outer context when
6106 building copy assignments.
6107 (lower_send_shared_vars): Rename from expand_send_shared_vars.
6108 If CTX is nested, lookup VAR in the outer context when
6109 building copy assignments.
6110 (expand_parallel_call): Rename from build_parallel_call.
6111 Handle combined parallel+workshare cases.
6112 Re-implement to emit code into the CFG.
6114 (expand_omp_parallel): Re-implement to emit code into the CFG.
6115 Call move_sese_region_to_fn to outline the sub-graph
6116 containing the parallel region.
6117 (expand_omp_for_1): Remove.
6118 (expand_omp_for_generic): Re-implement to emit code into the
6120 (expand_omp_for_static_nochunk): Likewise.
6121 (expand_omp_for_static_chunk): Likewise.
6122 (expand_omp_for): Likewise.
6123 (expand_omp_sections): Likewise.
6124 (remove_exit_barriers): New.
6125 (expand_omp_synch): New.
6127 (build_omp_regions_1): New.
6128 (build_omp_regions): New.
6129 (execute_expand_omp): New.
6130 (gate_expand_omp): New.
6131 (pass_expand_omp): Define.
6132 (lower_omp_sections): Rename from expand_omp_sections.
6133 Set OMP_SECTIONS_SECTIONS.
6134 (lower_omp_single_simple): Rename from expand_omp_single_simple.
6135 (lower_omp_single_copy): Rename from expand_omp_single_copy.
6136 (lower_omp_single): Rename from expand_omp_simple.
6137 (lower_omp_master): Rename from expand_omp_master.
6138 (lower_omp_ordered): Rename from expand_omp_ordered.
6139 (lower_omp_critical): Rename from expand_omp_critical.
6140 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
6141 (lower_omp_for): Re-implement.
6142 (lower_omp_parallel): Re-implement.
6143 (lower_regimplify): Rename from expand_regimplify.
6144 (lower_omp_1): Rename from expand_omp_1.
6145 If there are syntax errors in the program, replace every
6146 OpenMP directive with NOP.
6147 Call lower_omp_* instead of expand_omp_*.
6148 (lower_omp): Rename from expand_omp.
6150 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
6151 * tree-gimple.h (enum omp_parallel_type): Remove.
6152 (gimple_boolify): Declare extern.
6153 (find_omp_clause, determine_parallel_type): Remove.
6155 * gimple-low.c (lower_omp_directive): New.
6156 (lower_stmt): Call it.
6157 (record_vars_into): Move from ...
6158 (record_vars): ... here.
6159 Call record_vars_into with current_function_decl.
6161 * gimplify.c (struct gimplify_ctx): Remove fields
6162 combined_pre_p and combined_ctxp. Update users.
6163 (get_formal_tmp_var): Add documentation.
6164 (gimple_boolify): Make extern.
6165 (gimplify_expr_in_ctx): Remove. Update callers.
6166 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
6167 will always be a BIND_EXPR.
6168 (gimplify_expr): Handle OMP_RETURN_EXPR.
6169 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
6170 (OMP_PARALLEL): Add 3 operands.
6171 (OMP_SECTIONS): Add 1 operand.
6172 (OMP_RETURN_EXPR): Define.
6174 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
6175 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
6176 * tree-iterator.c (alloc_stmt_list): Assert that we are not
6177 creating a circular free list.
6178 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
6180 * tree-flow.h (move_sese_region_to_fn): Declare.
6181 (record_vars_into): Declare.
6182 * tree-cfg.c (make_omp_sections_edges): New.
6183 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
6184 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
6185 OMP_SECTIONS and OMP_SECTION.
6186 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
6187 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
6188 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
6189 (gather_blocks_in_sese_region): New.
6190 (struct move_stmt_d): Declare.
6192 (move_block_to_fn): New.
6193 (move_sese_region_to_fn): New.
6195 * passes.c (init_optimization_passes): Schedule
6196 pass_expand_omp after pass_init_datastructures.
6198 * tree-ssa-operands.c (get_expr_operands): Handle
6199 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
6200 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
6202 2006-01-19 Jeff Law <law@redhat.com>
6204 * tree-vrp.c (extract_range_from_assert): Refine the result range
6205 if the variable referenced by the ASSERT_EXPR has a range and
6206 either the tentative result range or the previous range is a
6209 2006-01-19 Richard Sandiford <richard@codesourcery.com>
6211 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
6213 2006-01-19 Jan Hubicka <jh@suse.cz>
6215 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
6217 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
6219 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
6220 (expand_compound_operation, expand_field_assignment): Fail if the
6221 bit lengths of an extract operation are out of range.
6222 (make_extraction): Compute wanted_inner_mode based on the position
6223 and length of the extraction. Make it extraction_mode for non-constant
6224 positions, and do not modify offset in that case. When generating a
6225 new MEM, use a mode that can hold the extraction while keeping correct
6226 alignment. Remove code that supported MEMs wrapped by USEs.
6227 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
6229 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
6231 * config/s390/s390.md ("Y", "y"): New mode attribute.
6232 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
6233 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
6234 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
6235 "*addsi3_imm_cc", "*addsi3_carry1_cc",
6236 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
6237 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
6238 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
6239 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
6240 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
6241 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
6242 "addsi3", "subsi3"): Insn patterns removed.
6243 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
6244 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
6245 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
6246 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
6247 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
6248 "*sub<mode>3_cconly2"): New insn patterns.
6249 ("addsi3", "subsi3"): New expanders.
6251 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
6253 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
6254 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
6255 existing STMT_VINFO_VECTYPE if available.
6256 (vect_mark_relevant): Add special handling for stmts that are
6257 marked as STMT_VINFO_IN_PATTERN_P.
6258 (vect_analyze_loop): Call vect_pattern_recog.
6259 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
6260 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
6262 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
6263 (vect_recog_func_ptr): New function-pointer type.
6264 * tree-vect-patterns.c: New file.
6265 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
6266 (vect_recog_dot_prod_pattern, vect_pattern_recog):
6267 (vect_pattern_recog_1): New functions.
6268 (vect_pattern_recog_funcs): New array of function pointers.
6270 * tree-vectorizer.h (ternary_op): New enum value.
6271 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
6272 declaration. Revised documentation. Removed redundant dump prints.
6273 Removed redundant argument. Added support for reduction patterns.
6274 (vectorizable_reduction): Added support for reduction patterns.
6275 (vect_transform_stmt): Added support for patterns.
6277 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
6278 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
6279 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
6280 (expand_widen_pattern_expr): New function.
6281 (init_optabs): Initialize new optabs udot_prod_optab,
6283 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
6284 (sdot_prod_optab, udot_prod_optab): Define new optabs.
6285 (expand_widen_pattern_expr): New function declaration.
6286 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
6288 * tree-inline.c (estimate_num_insns_1): Added cases for new
6289 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
6290 * tree-pretty-print.c (dump_generic_node): Likewise.
6291 (op_prio): Likewise.
6292 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
6293 * tree-ssa-operands.c (get_expr_operands): Added case for
6295 * tree-vect-patterns.c (widened_name_p): New function.
6296 (vect_recog_dot_prod_pattern): Added function implementation.
6297 * tree-vect-transform.c (get_initial_def_for_reduction): Added
6298 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
6299 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
6300 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
6302 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
6303 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
6304 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
6305 (init_optabs): Initialize new optabs widen_ssum_optab,
6307 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
6308 (widen_ssum_optab, widen_usum_optab): Define new optabs.
6309 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
6310 use instead of type of def.
6311 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
6312 function implementation.
6313 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
6314 widen_ssumv8hi): New.
6316 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
6319 2006-01-19 Richard Sandiford <richard@codesourcery.com>
6322 * c-decl.c (add_flexible_array_elts_to_size): New function.
6323 (finish_decl): Use it.
6325 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
6327 * diagnostic.h: Include options.h.
6328 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
6329 dependancies for diagnostic.h.
6330 * Makefile.in (DIAGNOSTIC_H): Add options.h.
6332 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
6334 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
6335 (ssa_ro_call_cache_valid): Ditto.
6336 * tree-ssa-alias.c (sort_tags_by_id): New function.
6337 (init_transitive_clobber_worklist): Ditto.
6338 (add_to_worklist): Ditto.
6339 (mark_aliases_call_clobbered): Ditto.
6340 (compute_tag_properties): Ditto.
6341 (set_initial_properties): Ditto.
6342 (compute_call_clobbered): Ditto.
6343 (compute_may_aliases): Call compute_call_clobbered and grouping.
6344 (compute_flow_sensitive_aliasing): Remove clobbering related code.
6345 (compute_flow_insensitive_aliasing): Grouping now happens in our
6347 (setup_pointers_and_addressables): Remove clobbering related code.
6348 (add_may_alias): Ditto.
6349 (replace_may_alias): Ditto.
6350 (get_nmt_for): Ditto.
6351 (create_global_var):
6352 (is_escape_site): Return an escape_type enumeration.
6353 * tree-flow-inline.h (is_call_clobbered): Global var does not
6354 imply call clobbered.
6355 (mark_call_clobbered): Take a reason for marking this. Remove
6356 marking of globalness, and cache invalidation.
6357 (clear_call_clobbered): Remove cache invalidation code.
6358 * tree-dfa.c (dump_variable): If details is on, dump the reason
6360 * tree-outof-ssa.c (create_temp): Copy escape mask from original
6362 * tree-flow.h (struct ptr_info_def): Add escape mask member.
6363 (struct var_ann_d): Ditto.
6364 (enum escape_type): New.
6365 (mark_call_clobbered): Adjust prototype.
6366 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
6367 are never call clobbered.
6368 Record reasons for escaping.
6369 * tree-ssa-structalias.h (is_escape_site): Update prototype.
6370 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
6371 (ssa_ro_call_cache_valid): Ditto.
6372 (clobbered_v_may_defs): Ditto.
6373 (clobbered_vuses): Ditto.
6374 (ro_call_vuses): Ditto.
6375 (clobber_stats): New.
6376 (init_ssa_operands): Zero out clobber stats.
6377 (fini_ssa_operands): Print out clobber stats.
6378 (get_call_expr_operands): Pass callee fndecl to
6380 (add_call_clobber_ops): Remove use of cache.
6381 Add use of PURE_CONST information.
6382 (add_call_read_ops): Remove use of cache.
6383 Add use of static not_read information.
6385 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
6387 Introduce TLS descriptors for i386 and x86_64.
6388 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
6389 (TARGET_ANY_GNU_TLS): New macro.
6390 (enum tls_dialect): Added TLS_DIALECT_GNU2.
6391 (struct machine_function): Add tls_descriptor_call_expanded_p.
6392 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
6393 (ix86_current_function_calls_tls_descriptor): Likewise.
6394 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
6395 (override_options): Introduce gnu2 tls dialect.
6396 (ix86_frame_pointer_required): Functions containing TLSCALLs are
6398 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
6400 (legitimize_tls_address): Adjust logic for GNU2 TLS.
6401 (ix86_init_machine_status): Initialize new field.
6402 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
6403 (ix86_tls_module_base): New.
6404 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
6405 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
6406 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
6407 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
6408 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
6409 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
6410 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
6411 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
6412 * config/i386/predicates.md (tls_modbase_operand): New.
6413 (tp_or_register_operand): New.
6415 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
6417 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
6418 (look_for_address_of): Ditto.
6419 (ipa_init): Walk the function decls.
6420 (static_execute): Don't set readonly on FUNCTION_DECL's.
6422 2006-01-18 Roger Sayle <roger@eyesopen.com>
6424 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
6425 for shifts where the source and destination registers are different.
6427 2006-01-18 Paul Brook <paul@codesourcery.com>
6429 Merge from csl-arm-branch.
6430 2005-03-14 Julian Brown <julian@codesourcery.com>
6431 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
6432 (aeabi_llsl): Likewise.
6433 (ashrdi3): Likewise.
6434 (aeabi_lasr): Likewise.
6435 (lshrdi3): Likewise.
6436 (aeabi_llsr): Likewise.
6437 2005-03-10 Julian Brown <julian@codesourcery.com>
6438 * config.gcc: Disable shared libgcc for SymbianOS.
6439 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
6441 2006-01-18 DJ Delorie <dj@redhat.com>
6443 * c-pragma.c (handle_pragma_diagnostic): New.
6444 (init_pragma): Register it.
6445 * doc/extend.texi: Document it.
6447 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
6448 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
6449 (diagnostic_context): Add classify_diagnostic[].
6450 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
6451 as errors if they're overridden to DK_WARNING.
6452 (diagnostic_initialize): Initialize classify_diagnostic[].
6453 (diagnostic_set_kind_override): New.
6454 (diagnostic_report_diagnostic): Check for kind changes.
6455 * opts.c (common_handle_option): Take lang_mask. Update callers.
6457 * common.opt (Werror=): New.
6458 * doc/invoke.texi: Document -Werror=*
6460 2006-01-18 Jeff Law <law@redhat.com>
6462 * tree-vrp.c (test_for_singularity): Correct test for new
6463 min limit. Use operand_equal_p rather than pointer equality
6464 for testing if new min/max values are equal.
6466 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
6467 using range information until after propagation and folding.
6469 2006-01-18 Richard Henderson <rth@redhat.com>
6470 Aldy Hernandez <aldyh@redhat.com>
6471 Jakub Jelinek <jakub@redhat.com>
6472 Diego Novillo <dnovillo@redhat.com>
6474 * omp-low.c: New file.
6475 * c-omp.c: New file.
6477 2006-01-18 Richard Henderson <rth@redhat.com>
6478 Jakub Jelinek <jakub@redhat.com>
6479 Diego Novillo <dnovillo@redhat.com>
6481 * doc/invoke.texi: Document -fopenmp.
6482 * tree-dump.h (debug_function): Declare.
6483 * hooks.c (hook_bool_tree_bool_false): New function.
6484 (hook_tree_tree_null): Remove.
6485 (hook_tree_tree_tree_null): New.
6486 * hooks.h: Update to match.
6487 * tree-pretty-print.c (debug_tree_chain): New.
6488 (print_generic_expr): Handle TDF_CHAIN.
6489 (dump_generic_node): Handle BLOCK.
6490 Do not abort with incomplete SWITCH_EXPRs.
6491 Do not dump body of an OpenMP directive if TDF_SLIM is given.
6492 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
6493 print space after directive name.
6494 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
6495 Handle OMP_MASTER and OMP_ORDERED.
6496 Handle printing of OMP_BODY just in one place, goto
6497 dump_omp_body in the rest of OMP_* nodes that have
6499 Don't handle clause nodes here. Update omp statements to
6500 use dump_omp_clauses.
6501 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
6502 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
6503 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
6504 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
6505 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
6506 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
6507 Adjust output for GOMP_PARALLEL.
6508 (dump_omp_clauses): New.
6509 (print_declaration): Dump DECL_VALUE_EXPR.
6510 (op_symbol_1): Split out of op_symbol.
6511 (dumping_stmts): Remove. Update all users.
6512 * cgraph.c (cgraph_analyze_queue): New.
6513 (cgraph_add_new_function): New.
6514 * cgraph.h (cgraph_analyze_queue): Declare.
6515 (cgraph_add_new_function): Declare.
6516 (cgraph_lower_function): Remove.
6517 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
6518 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
6519 and TYPE_P nodes in its default clause.
6520 (empty_body_p): New.
6521 (tree_range_check_failed): New.
6523 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
6524 OMP_CLAUSE_REDUCTION_MERGE,
6525 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
6526 OMP_CLAUSE_PRIVATE_DEBUG,
6527 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
6528 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
6529 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
6530 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
6531 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
6532 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
6533 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
6534 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
6535 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
6536 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
6537 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
6538 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
6539 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
6540 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
6541 (TREE_RANGE_CHECK): New.
6542 (empty_body_p): Declare.
6543 (enum omp_clause_default_kind): New.
6544 (build_string_literal): Declare.
6545 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
6546 (build5_stat, build5): Declare.
6547 * tree-pass.h (TDF_CHAIN): Define.
6548 * tree-pass.h (PROP_gimple_lomp): Define.
6549 (pass_lower_omp): Declare.
6550 * diagnostic.h (debug_tree_chain): Declare.
6551 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
6553 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
6554 * builtins.c (build_string_literal): Make extern.
6555 * gcc.c (include_spec_function): New.
6556 (static_spec_functions): Add it.
6557 (main): Move load of libgomp.spec ...
6558 (LINK_COMMAND_SPEC): ... here.
6559 (link_gomp_spec): New.
6560 (static_specs): Include it.
6561 (LINK_COMMAND_SPEC): Add link_gomp.
6562 (GOMP_SELF_SPECS): New.
6563 (driver_self_specs): Include it.
6564 (switch_matches): Don't mark inline.
6565 (main): Load libgomp.spec.
6566 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
6567 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
6568 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
6569 * tree-gimple.h (enum omp_parallel): Declare.
6570 (determine_parallel_type): Declare.
6571 (omp_firstprivatize_variable): Declare.
6572 (omp_reduction_init): Declare.
6573 (diagnose_omp_structured_block_errors): Declare.
6574 (struct walk_stmt_info): Add want_return_expr.
6575 (struct walk_stmt_info): Add want_bind_expr, want_locations.
6576 (find_omp_clause): Declare.
6577 (insert_field_into_struct): Declare.
6578 (struct walk_stmt_info): Move from tree-nested.c
6579 (walk_stmts): Declare.
6580 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
6582 * cgraphunit.c (cgraph_lower_function): Make static.
6583 (cgraph_finalize_pending_functions): New.
6584 (cgraph_finalize_function): Call it.
6585 (cgraph_finalize_compilation_unit): Likewise.
6586 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
6587 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
6588 (BT_FN_UINT_UINT): New.
6589 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
6590 DEF_FUNCTION_TYPE_VAR_4): Document.
6591 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
6592 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
6593 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
6594 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
6595 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
6596 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
6597 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
6598 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
6599 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
6600 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
6601 into separate files.
6602 (DEF_GOMP_BUILTIN): New.
6603 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
6604 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
6605 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
6606 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
6607 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
6608 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
6609 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
6610 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
6611 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
6612 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
6613 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
6614 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
6615 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
6616 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
6617 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
6618 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
6619 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
6620 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
6621 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
6622 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
6623 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
6624 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
6625 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
6626 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
6627 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
6628 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
6629 * sync-builtins.def: New file, moved from builtins.def.
6630 * omp-builtins.def: New file, moved from builtins.def.
6631 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
6632 * gimple-low.c (lower_function_body): Clear data.
6633 (lower_stmt): Do not handle COMPOUND_EXPR.
6634 Remove call to print_node_brief.
6635 * c-tree.h (c_finish_omp_clauses): New prototype.
6636 (C_DECL_THREADPRIVATE_P): Define.
6637 (lookup_name_no_remap, c_omp_remap_private): Remove
6638 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
6639 (check_for_loop_decls): Update decl.
6640 (lookup_name_no_remap, c_omp_remap_private): Declare.
6641 (build_indirect_ref, build_modify_expr, pushdecl,
6642 pushdecl_top_level): Move to c-common.h.
6643 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
6644 before the switch, but just in the 2 places that need it.
6645 * c-decl.c (diagnose_mismatched_decls): Do not check for
6646 mismatched thread-local attributes when OLDDECL is marked
6647 threadprivate and NEWDECL has no thread-local attributes.
6648 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
6649 (c_gimple_diagnostics_recursively): Rename from
6650 c_warn_unused_result_recursively. Invoke
6651 diagnose_omp_structured_block_errors.
6652 (check_for_loop_decls): Return a singular decl found.
6653 * langhooks.c (lhd_omp_predetermined_sharing): Return
6654 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
6655 (lhd_omp_firstprivatize_type_sizes): New.
6656 (lhd_omp_assignment): New.
6657 (lhd_omp_predetermined_sharing): New.
6658 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
6659 (struct lang_hooks_for_types): Add
6660 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
6661 omp_predetermined_sharing, omp_disregard_value_expr,
6662 omp_private_debug_clause, omp_clause_default_ctor,
6663 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
6664 (c_finish_omp_clauses): New.
6665 (c_finish_bc_stmt): Diagnose break within omp for.
6666 (c_begin_omp_parallel, c_finish_omp_parallel): New.
6667 (build_unary_op): Return error_mark after reporting
6669 (build_modify_expr): Likewise.
6670 * gimplify.c: Include optabs.h and pointer-set.h.
6671 (enum gimplify_omp_var_data): Declare.
6672 (struct gimplify_omp_ctx): Declare.
6673 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
6675 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
6676 (push_gimplify_context, pop_gimplify_context): Allow nesting.
6677 (splay_tree_compare_decl_uid): New.
6678 (new_omp_context): New.
6679 (delete_omp_context): New.
6680 (gimple_add_tmp_var): Call omp_add_variable.
6681 (gimplify_bind_expr): Likewise.
6682 (gimplify_var_or_parm_decl): If omp_notice_variable returned
6683 true, disregard DECL_VALUE_EXPR on the decl if any.
6684 (gimplify_expr_in_ctx): New.
6685 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
6686 omp_add_variable, omp_notice_variable, omp_is_private
6687 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
6688 gimplify_adjust_omp_clauses, gimplify_omp_parallel
6689 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
6690 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
6691 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
6692 gimplify_omp_atomic): New.
6693 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
6694 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
6695 OMP_CRITICAL and OMP_ATOMIC.
6696 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
6697 * c-pragma.h (enum pragma_kind): Add
6698 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
6699 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
6700 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
6701 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
6702 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
6703 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
6704 PRAGMA_OMP_THREADPRIVATE.
6705 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
6706 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
6707 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
6708 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
6709 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
6710 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
6711 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
6712 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
6713 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
6714 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
6715 * tree-ssa-dce.c (find_control_dependence): Do not assume that
6716 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
6717 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
6719 (struct nesting_info): Add field_map,
6720 suppress_expansion, debug_var_chain.
6721 (create_nesting_tree): Initialize them.
6722 (lookup_field_for_decl): Use field_map.
6723 (get_nonlocal_debug_decl, get_local_debug_decl): New.
6724 (convert_local_omp_clauses): New.
6725 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
6726 (walk_body): Split out of walk_function.
6727 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
6728 (convert_nonlocal_reference): Handle omp statements.
6729 (convert_local_reference): Likewise.
6730 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
6731 (unnest_nesting_tree): New.
6732 (lower_nested_functions): Call it.
6733 (insert_field_into_struct): Make extern.
6734 (struct walk_stmt_info): Move to tree-gimple.h.
6735 (walk_stmts): Make extern.
6736 * omp-builtins.def: New file.
6737 * tree-iterator.c (expr_only): Clarify comment.
6738 * c-common.h (pushdecl_top_level, pushdecl,
6739 build_modify_expr, build_indirect_ref,
6740 c_finish_omp_master, c_finish_omp_critical,
6741 c_finish_omp_ordered, c_finish_omp_barrier,
6742 c_finish_omp_atomic, c_finish_omp_flush,
6743 c_finish_omp_for, c_split_parallel_clauses,
6744 omp_clause_default_kind, c_omp_sharing_predetermined,
6745 c_omp_remap_decl): Declare.
6746 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
6747 (OBJS-common): Add omp-low.o.
6748 (c-omp.o, omp-low.o): Add.
6749 (gimplify.o): Add dependency on $(OPTABS_H).
6750 (GTFILES): Add omp-low.c.
6751 (gt-stringpool.h): Add.
6752 * tree-cfg.c (set_bb_for_stmt): Do not update the
6753 block-to-labels map if we are currently expanding to RTL.
6754 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
6756 Handle IDENTIFIER_NODE.
6757 (tree_verify_flow_info): Do not ICE when emitting error
6758 messages about invalid labels.
6759 (dump_function_to_file): Reset CFUN before emitting the body
6761 (debug_function): New.
6762 * passes.c (init_optimization_passes): Schedule
6764 * langhooks-def.h (lhd_omp_predetermined_sharing,
6765 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
6767 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
6768 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
6769 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
6770 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
6771 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
6772 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
6773 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
6774 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
6775 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
6776 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
6777 (LANG_HOOK_DECLS): Use them.
6779 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
6780 Richard Henderson <rth@redhat.com>
6781 Jakub Jelinek <jakub@redhat.com>
6782 Diego Novillo <dnovillo@redhat.com>
6784 * c-parser.c (pragma_omp_clause): Define.
6785 (c_parser_declaration_or_fndef): Document OpenMP syntax.
6786 (c_parser_compound_statement): Likewise.
6787 (c_parser_statement): Likewise.
6788 (c_parser_pragma): Handle omp pragmas.
6789 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
6790 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
6791 (c_parser_omp_clause_name, check_no_duplicate_clause,
6792 c_parser_omp_variable_list,
6793 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
6794 c_parser_omp_clause_copyprivate,
6795 c_parser_omp_clause_default,
6796 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
6797 c_parser_omp_clause_lastprivate,
6798 c_parser_omp_clause_nowait,
6799 c_parser_omp_clause_num_threads,
6800 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
6801 c_parser_omp_clause_reduction,
6802 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
6803 c_parser_omp_all_clauses, c_parser_omp_structured_block,
6804 c_parser_omp_atomic, c_parser_omp_barrier,
6805 c_parser_omp_critical, c_parser_omp_flush,
6806 c_parser_omp_for_loop, c_parser_omp_for,
6807 c_parser_omp_master, c_parser_omp_ordered,
6808 c_parser_omp_sections_scope, c_parser_omp_sections,
6809 c_parser_omp_parallel, c_parser_omp_single,
6810 c_parser_omp_construct, c_parser_omp_threadprivate): New.
6811 * c-pragma.c (init_pragma): Do omp pragma registration here.
6812 * c.opt (fopenmp): New flag.
6814 2006-01-18 Eric Christopher <echristo@apple.com>
6816 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
6817 * config/darwin.h (GOMP_SELF_SPECS): Define.
6819 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
6821 * rtl.h: Remove the prototype for reg_alloc.
6823 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6826 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
6827 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
6828 sjlj and dwarf2 exception handling.
6829 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
6830 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
6831 * pa/pa.c (function_value): Treat complex and vector types as
6833 (function_arg): Likewise. Only pass scalar floats in the floating
6834 point argument registers.
6835 * pa/t-slibgcc-dwarf-ver: New file.
6836 * pa/t-slibgcc-sjlj-ver: New file.
6837 * pa/t-slibgcc-elf-ver: Delete file.
6839 2006-01-19 Alan Modra <amodra@bigpond.net.au>
6841 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
6842 unlikely_test_section_p test.
6844 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
6846 * mode-switching.c (optimize_mode_switching): Make it static.
6847 * basic-block.h: Remove the prototype for
6848 optimize_mode_switching.
6850 * modulo-sched.c (sms_schedule): Make it static.
6851 * rtl.h: Remove the prototype for sms_schedule.
6853 * postreload-gcse.c (gcse_after_reload_main): Make it static.
6854 * rtl.h: Remove the prototype for gcse_after_reload_main.
6856 * reg-stack.c (reg_to_stack): Make it static.
6857 * rtl.h: Remove the prototype for reg_to_stack.
6859 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
6861 * rtl.h: Remove the prototypes for regrename_optimize and
6862 copyprop_hardreg_forward.
6864 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
6866 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
6867 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
6868 Test against the appropriate null constant for the mode.
6869 If 'fixup_overlap' is true, swap the operands if they overlap.
6870 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
6871 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
6872 alpha_split_tmode_pair and adjust for above change.
6873 * config/alpha/alpha.md (movtf_internal): Adjust call to
6874 alpha_split_tfmode_pair and rely on it to swap the operands.
6875 (movti_internal): New insn and post-reload splitter.
6876 (movti): New expander.
6878 2006-01-18 Philippe De Muyter <phdm@macqel.be>
6880 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
6883 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
6885 * rtlanal.c (global_reg_mentioned_p_1,
6886 global_reg_mentioned_p): Remove.
6887 * rtl.h: Remove the prototype for global_reg_mentioned_p.
6889 * flow.c (initialize_uninitialized_subregs): Make it static.
6890 * rtl.h: Remove the prototype for
6891 initialize_uninitialized_subregs.
6893 * function.c (instantiate_virtual_regs): Make it static.
6894 * function.h: Remove the prototype for
6895 instantiate_virtual_regs.
6897 * regmove.c (regmove_optimize, combine_stack_adjustments):
6899 * rtl.h: Remove the prototypes for regmove_optimize and
6900 combine_stack_adjustments.
6902 2006-01-17 Roger Sayle <roger@eyesopen.com>
6904 * config/i386/i386.c (COSTS_N_BYTES): New macro.
6905 (size_cost): Encode costs in bytes so that a reg-reg addition is
6906 equivalent to COSTS_N_INSNS(1).
6907 (override_options): Use the size_cost.branch_cost as the default
6908 ix86_branch_cost when optimizing for size.
6910 2006-01-18 Ben Elliston <bje@au.ibm.com>
6912 * Makefile.in (D32PBIT_FUNCS): New.
6913 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
6914 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
6915 D64PBIT_FUNCS and D128PBIT_FUNCS.
6916 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
6917 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
6919 (decnumber_dep): Define.
6920 * doc/libgcc.texi (Decimal float library routines): New node.
6921 * config/dfp-bit.h, config/dfp-bit.c: New files.
6923 2006-01-18 Ben Elliston <bje@au.ibm.com>
6925 * expr.c (emit_move_change_mode): Always adjust addresses, not
6926 just during reload. Copy replacements only during reload.
6927 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
6928 emit_move_via_integer.
6930 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
6932 * Makefile.in (check-%, check-consistency): Use $${srcdir}
6933 instead of $(srcdir) and ${srcdir}.
6935 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
6939 * arm.h (struct machine_function): Add pic_reg.
6940 * arm.c (arm_pic_register): Make unsigned.
6941 (arm_override_options): Only set arm_pic_register if
6942 TARGET_SINGLE_PIC_BASE.
6943 (use_return_insn): Only test for a pic register if it is fixed.
6944 (arm_compute_save_reg0_reg12_mask): Likewise.
6945 (thumb_compute_save_reg_mask): Likewise.
6946 (legitimate_pic_operand): Factor out some known invariants.
6947 (legitimize_pic_address): If we don't have a fixed pic register,
6948 then set up a pseudo in the function entry sequence. Handle the
6949 pic base being in a pseudo.
6950 (arm_load_pic_register): Handle the pic register being in a pseudo.
6951 (arm_expand_prologue): Only set up the pic register if it is fixed.
6952 (thumb_expand_prologue): Likewise.
6953 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
6954 (pic_load_addr_based_insn): Likewise.
6955 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
6958 2006-01-18 Ben Elliston <bje@au.ibm.com>
6960 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
6961 decimal float modes for all floating point registers.
6963 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
6964 match_code "mem" with match_test "macho_lo_sum_memory_operand".
6966 2006-01-17 Jakub Jelinek <jakub@redhat.com>
6969 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
6970 even when the pointer is not NULL.
6972 2006-01-16 Ian Lance Taylor <ian@airs.com>
6974 * common.opt (ftoplevel-reorder): New option.
6975 * cgraph.c (cgraph_asm_nodes): New global variable.
6976 (cgraph_asm_last_node): New static variable.
6977 (cgraph_order): New global variable.
6978 (cgraph_create_node): Set new order field.
6979 (cgraph_varpool_node): Likewise.
6980 (decide_is_variable_needed): Return true if not
6981 flag_toplevel_reorder.
6982 (cgraph_add_asm_node): New function.
6983 * cgraph.h (struct cgraph_node): Add order field.
6984 (struct cgraph_varpool_node): Add order field.
6985 (struct cgraph_asm_node): Define.
6986 (cgraph_asm_nodes, cgraph_order): Declare.
6987 (cgraph_add_asm_node): Declare.
6988 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
6990 (cgraph_varpool_assemble_pending_decls): Call it.
6991 (cgraph_output_pending_asms): New static function.
6992 (cgraph_finalize_compilation_unit): Call it.
6993 (struct cgraph_order_sort): Define.
6994 (cgraph_output_in_order): New static function.
6995 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
6996 !flag_toplevel_reorder case.
6997 * c-parser.c: Include "cgraph.h".
6998 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
7000 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
7001 than -fno-unit-at-a-time.
7002 * doc/invoke.texi (Option Summary): Mention
7003 -fno-toplevel-reorder.
7004 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
7005 -funit-at-a-time documentation.
7007 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
7008 Kazu Hirata <kazu@codesourcery.com>
7010 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
7012 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
7014 * Makefile.in (FUNCTION_H): New. Use it instead of
7015 function.h throughout the file.
7016 * function.h: Include tree.h.
7018 2006-01-17 Ben Elliston <bje@au.ibm.com>
7020 * recog.c: Separate some functions with whitespace.
7022 2006-01-16 Richard Henderson <rth@redhat.com>
7024 Merge from gomp branch:
7025 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
7026 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
7027 and rename from struct inline_data. Rename callee* to dst*;
7028 caller* to src*; add copy_decl hook, transform_call_graph_edges,
7029 transform_new_cfg, transform_return_to_modify, and
7030 transform_lang_insert_block flags; remove cloning_p, versioning_p,
7032 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
7033 (copy_decl_for_dup): Remove.
7034 * tree-inline.c (struct inline_data): Move to header.
7035 (insert_decl_map): Export.
7036 (remap_decl): Update for member name changes. Use copy_decl hook.
7037 Allow for replacement to be a non-decl. Remove dead code.
7038 (remap_type_1): Check for existing mapping.
7039 (remap_type): Export.
7040 (remap_decls): Update for member name changes.
7041 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
7042 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
7043 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
7044 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
7045 (tree_function_versioning, build_duplicate_type): Likewise.
7046 (copy_body_r): Likewise. Export.
7047 (copy_decl_for_dup): Split into ...
7048 (copy_decl_for_dup_finish, copy_decl_to_var,
7049 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
7050 (replace_ref_tree, inlining_p): Remove.
7052 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7054 * ifcvt.c (if_convert): Make it static.
7055 * rtl.h: Remove the prototype for if_convert.
7057 * local-alloc.c (local_alloc): Make it static.
7058 * rtl.h: Remove the prototype for local_alloc.
7060 * loop.c (loop_optimize): Make it static.
7061 * cfgloop.h: Remove the prototype for loop_optimize.
7064 2006-01-16 DJ Delorie <dj@redhat.com>
7066 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
7069 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7071 * pa.md: Disparage copies between general and floating-point registers
7072 in 32-bit move patterns.
7074 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
7077 * Makefile.in (check-%): Depend on site.exp instead of
7078 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
7081 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7083 * global.c (global_alloc): Make it static.
7084 * rtl.h: Remove the prototype for global_alloc.
7086 2006-01-16 Richard Guenther <rguenther@suse.de>
7088 * tree-ssa-alias.c (struct used_part): Add write_only field.
7089 (get_or_create_used_part_for): Initialize it to true.
7090 (create_overlap_variables_for): Don't create structure variables
7091 for structures that only are written to.
7092 (find_used_portions): Handle MODIFY_EXPR to track whether a
7093 structure is only written to.
7095 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7097 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
7099 * basic-block.h: Remove the prototype for
7100 partition_hot_cold_basic_blocks.
7102 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
7104 * cppspec.c (lang_specific_spec_functions): Remove.
7105 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
7106 * gcc.h (lang_specific_spec_functions): Remove.
7107 * gccspec.c (lang_specific_spec_functions): Remove.
7109 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
7111 * combine.c (record_value_for_reg): Invalidate registers
7113 (record_dead_and_set_regs_1): Likewise, by passing them to
7114 record_value_for_reg.
7115 (record_dead_and_set_regs): Invalidate stores made by a
7116 call. We do not combine across a call, but we still
7117 relied on equivalences.
7119 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
7121 * tree-vrp.c (extract_range_from_binary_expr): Cope with
7122 vrp_int_const_binop returning non-constant nodes.
7124 2006-01-16 Paul Brook <paul@codesourcery.com>
7126 * config/m68k/m68k.c (output_move_const_into_data_reg):
7127 Output correct mnemonic for mvz and mvs.
7129 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
7131 * rtl-factoring.c: Add sequence abstraction algorithm.
7132 * cfgcleanup.c (outgoing_edges_match): Extra checks.
7133 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
7135 (block_has_preserve_label): New function.
7136 * common.opt: Register new pass.
7137 * Makefile.in: Ditto.
7139 * timevar.def: Ditto.
7140 * tree-pass.h: Ditto.
7141 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
7142 * rtl.h (make_jump_insn_raw): Add forward decl.
7143 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
7145 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
7146 Roger Sayle <roger@eyesopen.com>
7148 * fold-const.c (fold_minmax): New static function.
7149 (fold_binary) <MIN_EXPR>: Call it.
7150 <MAX_EXPR>: Likewise.
7151 * stor-layout.c (place_field): Use DECL_SIZE consistently
7152 in the computation of the new record size.
7154 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7156 * cse.c (cse_condition_code_reg): Make it static.
7157 * rtl.h: Remove the prototype for cse_condition_code_reg.
7159 * combine.c (combine_instructions): Make it static.
7160 * rtl.h: Remove the prototype for combine_instructions.
7162 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7165 * tree.c (get_file_function_name_long): Concatenate the first global
7166 object name with a string derived from the input filename of the object
7169 2006-01-16 Ben Elliston <bje@au.ibm.com>
7171 * config/i386/winnt-stubs.c: Update FSF address.
7172 * config/xtensa/ieee754-df.S: Ditto.
7173 * config/xtensa/ieee754-sf.S: Ditto.
7175 2006-01-14 Ian Lance Taylor <ian@airs.com>
7177 * ifcvt.c (noce_init_if_info): New static function, broken out of
7178 noce_process_if_block.
7179 (noce_process_if_block): Call noce_init_if_info.
7180 (check_cond_move_block): New static function.
7181 (cond_move_process_if_block): New static function.
7182 (process_if_block): Call cond_move_process_if_block.
7184 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
7186 * cselib.c (hash_table): Rename to cselib_hash_table.
7187 (cselib_clear_table, discard_useless_values,
7188 remove_useless_values, cselib_lookup_mem, cselib_lookup,
7189 cselib_init, cselib_finish): Adjust uses of hash_table.
7191 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
7193 PR tree-optimization/25485
7194 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
7195 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
7196 is known to be false and true, respectively.
7198 2006-01-14 Richard Guenther <rguenther@suse.de>
7200 PR tree-optimization/22548
7201 PR tree-optimization/22555
7202 PR tree-optimization/22501
7203 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
7204 * params.def (salias-max-array-elements): New parameter.
7205 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
7206 * doc/invoke.texi (salias-max-array-elements): Document.
7207 * tree-flow-inline.h (var_can_have_subvars): We also handle
7209 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
7211 * tree-ssa-structalias.c (params.h): Include.
7212 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
7213 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
7214 (get_constraint_for): For ADDR_EXPR operating on something
7215 containing an ARRAY_REF, add all subvars to the solution.
7216 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
7217 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
7218 for creating MUST_DEFs.
7219 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
7221 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
7223 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
7225 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
7226 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7227 number_of_iterations_le): New functions.
7228 (number_of_iterations_special): Removed.
7229 (number_of_iterations_exit): Do not use number_of_iterations_special.
7230 * tree.c (unsigned_type_for): Always return integer type.
7232 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
7233 Richard Guenther <rguenther@suse.de>
7235 PR rtl-optimization/24257
7236 * gcse.c (find_moveable_store): Only consider a store movable
7237 when the SET_SRC of the insn can be assigned to a register.
7239 2006-01-14 Ian Lance Taylor <ian@airs.com>
7241 * tree.c (tree_not_class_check_failed): New function.
7242 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
7243 (tree_not_class_check_failed): Declare.
7245 2006-01-13 Ian Lance Taylor <ian@airs.com>
7247 * reload1.c (do_output_reload): Add assertion rejecting a
7250 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
7252 * combine.c (struct reg_stat): Add new fields truncation_label and
7254 (record_value_for_reg): Reset truncated_to_mode.
7255 (record_truncated_value): New function.
7256 (check_promoted_subreg): Call it. Rename to check_conversions.
7257 (combine_instructions): Rename check_promoted_subreg to
7259 (reg_truncated_to_mode): New function.
7260 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
7261 (gen_lowpart_or_truncate): New function.
7262 (force_to_mode): Use it instead of gen_lowpart.
7264 2006-01-13 Diego Novillo <dnovillo@redhat.com>
7266 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
7267 VAR is a tag, not its type tag.
7269 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
7271 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
7272 alternatives to match style of other entries.
7273 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
7275 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
7277 PR tree-optimization/25771
7278 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
7281 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
7284 * tree-inline.c (declare_return_variable): If the return variable
7285 was marked as a non gimple complex, set the return slot variable
7286 to be a non gimple comple variable.
7288 2006-01-13 Richard Guenther <rguenther@suse.de>
7290 * builtins.c (expand_builtin_sincos): New function.
7291 (expand_builtin_mathfn_3): Remove dead code, sin and cos
7293 (expand_builtin): Expand sincos using expand_builtin_sincos.
7295 2006-01-12 DJ Delorie <dj@redhat.com>
7297 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
7298 shift counts, separate SI shifts for m32c vs m16c, pass shift type
7299 so that constant shifts can be split.
7300 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
7301 (m32c_valid_pointer_mode): Make static.
7302 (shift_gen_func_for): New.
7303 (m32c_prepare_shift): Use it. Split large const shifts into
7305 * config/m32c/predicates.md (shiftcount_operand): Allow more
7307 (longshiftcount_operand): New.
7308 * doc/md.texi (Machine Constraints): Document In6.
7310 2006-01-13 Ben Elliston <bje@au.ibm.com>
7312 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
7313 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
7316 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
7318 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
7319 to try to avoid clobbering pieces of structures when we know
7320 something about the whole structure.
7321 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
7323 2006-01-13 Ben Elliston <bje@au.ibm.com>
7325 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
7326 return in memory, as this is no limitation is no longer present.
7328 2006-01-12 DJ Delorie <dj@redhat.com>
7330 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
7331 mova with fb, and for fb+0 -> An.
7333 * config/m32c/mov.md (peephole2): Fix enabling logic.
7335 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
7336 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
7337 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
7338 FINI_ARRAY_SECTION_ASM_OP): Define.
7340 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
7342 (m32c_legitimize_reload_address): New logic to reload FB to An.
7343 (m32c_output_reg_push): Add newline.
7344 (m32c_output_reg_pop): Likewise.
7346 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
7348 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
7350 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
7352 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
7354 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7356 * config/sh/predicates.md (sh_rep_vec): Add parallel to
7359 2006-01-11 Ben Elliston <bje@au.ibm.com>
7361 * rtlanal.c (find_reg_note): Assert insn is not null.
7363 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
7365 * df-scan.c (df_hard_reg_init): Move declaration of i outside
7368 2006-01-11 Jeff Law <law@redhat.com>
7370 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
7372 (mark_threaded_blocks, register_jump_thread): New functions.
7373 (thread_through_all_blocks): Remove unwanted argument. No
7374 longer rely on e->aux to communicate thread target info.
7375 Call mark_threaded_blocks. Release the threaded_blocks
7376 bitmap and threaded_edges vector when complete.
7377 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
7378 (threaded_blocks): Remove.
7379 (tree_ssa_dominator_optimize): Remove initialization and
7380 finalization of threaded_blocks. Simplify call to
7381 thread_through_all_blocks.
7382 (thread_across_edge): Call register_jump_thread rather than
7383 storing thread information into e->aux.
7384 (free_all_edge_infos): Simplify now that e->aux is no longer
7385 used to communicate with thread_through_all_blocks.
7386 * tree-flow.h (thread_through_all_blocks): Update prototype.
7387 (register_jump_thread): Prototype.
7389 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7391 * df-core.c (df_compact_blocks, df_bb_replace): Use
7392 SET_BASIC_BLOCK instead of BASIC_BLOCK.
7394 2006-01-11 Richard Guenther <rguenther@suse.de>
7396 PR tree-optimization/25734
7397 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
7398 stop propagation after successful propagation to the LHS.
7400 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7402 * basic-block.h (control_flow_graph): Change the type of
7403 x_basic_block_info to VEC(basic_block,gc) *.
7404 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
7406 (SET_BASIC_BLOCK): New.
7407 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
7408 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
7409 * cfgbuild.c (find_basic_blocks): Likewise.
7410 * cfglayout.c (fixup_reorder_chain): Likewise.
7411 * cfgrtl.c (create_basic_block_structure,
7412 rtl_create_basic_block): Likewise.
7413 * ifcvt.c (find_if_case_1): Likewise.
7414 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
7417 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
7419 * Makefile.in: Removed rotted odf.c entry.
7421 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
7424 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
7425 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
7426 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
7427 output pattern modifier, not %e.
7428 * config/cris/cris.c (cris_op_str): Update comment about pattern
7430 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
7431 before falling through into...
7432 <case 'E'>: Redefined from old 'e' case.
7434 2006-01-11 Jan Hubicka <jh@suse.cz>
7437 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
7439 2006-01-11 Jan Hubicka <jh@suse.cz>
7441 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
7442 * i386.c (x86_decompose_lea): Kill.
7443 (ix86_rtx_costs): Kill.
7445 2006-01-11 Jan Hubicka <jh@suse.cz>
7447 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
7448 * cgraph.h (cgraph_node): Add inline_decl.
7449 (cgraph_insert_node_to_hashtable): Declare.
7450 (save_inline_function_body): Declare.
7451 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
7453 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
7454 (cgraph_function_versioning): Update call of tree_function_versioning.
7455 (save_inline_function_body): New function.
7456 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
7457 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
7458 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
7459 (cgraph_default_inline_p): Likewise.
7460 (cgraph_decide_inlining_incrementally): Likewise.
7461 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
7462 (copy_bb): Kill saving; do updating of clones.
7463 (copy_cfg_body): Kill saving.
7464 (initialize_inlined-parameters): Likewise.
7465 (expand_call_inline): Likewise.
7467 (tree_function_versioning): New parameter "update_clones".
7468 (inlining_p): Kill saving.
7469 * tree-inline.h (tree_function_versioning): Update prototype.
7470 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
7473 2006-01-11 Ian Lance Taylor <ian@airs.com>
7475 * combine.c (struct undo): Remove is_int. Enumify types of undos.
7476 Allow undoing set of machine mode.
7477 (do_SUBST): Use enums instead of is_int.
7478 (do_SUBST_MODE): New function.
7479 (SUBST_MODE): New macro.
7480 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
7481 reg and trying to replace reg_regno_rtx with a new register.
7482 (undo_all): Use new enums, handle undoing a PUT_MODE change.
7483 (simplify_set): Use SUBST_MODE.
7484 (distribute_notes): Remove code that tried to update reg notes
7485 for regno_reg_rtx changes.
7487 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
7489 PR tree-optimization/23109
7490 PR tree-optimization/23948
7491 PR tree-optimization/24123
7493 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
7494 * tree-cfg.c (single_noncomplex_succ): New.
7495 * tree-flow.h (single_noncomplex_succ): Declare it.
7496 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
7497 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
7498 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
7499 insert_bb, register_division_in, insert_reciprocals,
7500 replace_reciprocal, free_bb): New.
7501 (execute_cse_reciprocals_1): Rewritten.
7502 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
7503 Do not commit any edge insertion. Always compute dominators and
7504 create the allocation pool.
7505 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
7506 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
7507 * targhooks.c (default_min_divistions_for_recip_mul): New.
7508 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
7509 * passes.c (init_optimization_passes): Run recip after tree loop
7511 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
7513 2006-01-11 Danny Berlin <dberlin@dberlin.org>
7514 Kenneth Zadeck <zadeck@naturalbridge.com>
7516 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
7517 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
7518 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
7519 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
7520 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
7521 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
7522 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
7523 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
7524 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
7525 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
7526 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
7527 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
7528 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
7529 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
7530 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
7531 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
7532 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
7533 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
7534 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
7535 DF_SCAN_POST_ALLOC): New macros.
7536 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
7537 df_free_bb_function, df_local_compute_function, df_init_function,
7538 df_dataflow_function, df_confluence_function_0,
7539 df_confluence_function_n, df_transfer_function,
7540 df_finalizer_function, df_free_function, df_dump_problem_function,
7541 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
7542 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
7543 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
7544 df_urec_bb_info, ) New types.
7545 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
7547 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
7548 df_analyze_simple_change_some_blocks,
7549 df_analyze_simple_change_one_block, df_compact_blocks,
7550 df_bb_replace, df_bb_regno_last_use_find,
7551 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
7552 df_insn_regno_def_p, df_find_def, df_find_use,
7553 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
7554 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
7555 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
7556 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
7557 debug_df_chain, df_get_dependent_problem, df_chain_create,
7558 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
7559 df_grow_bb_info, df_chain_dump, df_print_bb_index,
7560 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
7561 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
7562 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
7563 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
7564 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
7565 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
7566 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
7567 df_ref_remove, df_insn_refs_delete, df_refs_delete,
7568 df_reorganize_refs, df_set_state, df_hard_reg_init,
7569 df_read_modify_subreg_p) New public functions.
7570 * df-core.c: The core dataflow solver and glue routines for rtl
7572 (df_init, df_add_problem, df_set_blocks, df_finish,
7573 df_hybrid_search_forward, df_hybrid_search_backward,
7574 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
7575 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
7576 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
7577 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
7578 df_reg_defined, df_find_use, df_reg_used, df_dump,
7579 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
7580 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
7581 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
7582 debug_df_useno, reset_df_after_reload): New functions.
7583 * df-scan.c: The scanning fuctions, once in df.c, completely
7584 rewritten so that they now fully model the functionality of
7585 register usage at the backend.
7586 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
7587 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
7588 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
7589 df_grow_insn_info, df_rescan_blocks, df_ref_create,
7590 df_get_artificial_defs, df_get_artificial_uses,
7591 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
7592 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
7593 df_refs_delete, df_reorganize_refs, df_set_state,
7594 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
7595 df_def_record_1, df_defs_record, df_uses_record,
7596 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
7597 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
7598 df_record_exit_block_uses, df_hard_reg_init): New functions.
7600 * df-problems.c: Seven concrete dataflow problems that use the
7601 scanning in df-scan.c and are solved by the engine in df-core.c.
7602 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
7603 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
7604 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
7605 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
7606 df_ru_free_bb_info, df_ru_alloc,
7607 df_ru_bb_local_compute_process_def,
7608 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
7609 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
7610 df_ru_transfer_function, df_ru_free, df_ru_dump,
7611 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
7612 df_rd_free_bb_info, df_rd_alloc,
7613 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
7614 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
7615 df_rd_transfer_function, df_rd_free, df_rd_dump,
7616 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
7617 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
7618 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
7619 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
7620 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
7621 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
7622 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
7623 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
7624 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
7625 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
7626 df_urec_mark_reg_change, df_urec_check_earlyclobber,
7627 df_urec_mark_reg_use_for_earlyclobber,
7628 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
7629 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
7630 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
7631 df_urec_dump, df_urec_add_problem, df_chain_alloc,
7632 df_chain_create_bb_process_use, df_chain_create_bb,
7633 df_chain_finalize, df_chain_free, df_chains_dump,
7634 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
7635 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
7636 df_reg_lifetime): New functions.
7637 * df.c: Deleted file.
7638 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
7639 consistent with new df api.
7640 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
7641 rest_of_handle_sms): Ditto.
7642 * web.c (unionfind_union, union_defs, entry_register, web_main):
7644 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
7645 invariant_expr_equal_p, find_defs, check_dependencies,
7646 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
7647 free_inv_motion_data, move_loop_invariants): Ditto.
7648 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
7649 Update dependencies.
7650 (odf.c): Added defective entry that was deleted later in day.
7651 * sched-deps.c (sched_analyze_1): Ditto.
7653 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
7655 * tree-ssa-operands.c (get_expr_operands): Record addressable
7656 variables directly. Do not call add_stmt_operands for CONST_DECLs
7658 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
7659 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
7661 2006-01-11 Ben Elliston <bje@au.ibm.com>
7663 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
7664 function returns true in the positive case.
7666 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7669 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
7670 for SI, DI, SF and DF modes. Add alternatives to copy between
7671 general and floating point registers to the 32-bit patterns.
7672 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
7673 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
7674 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
7675 generating 64-bit code.
7676 * config/pa/pa.c (output_move_double): Handle copies between general
7677 and floating registers.
7679 2006-01-10 Stuart Hastings <stuart@apple.com>
7681 * config/i386/i386.md (set_got): Update.
7682 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
7683 (builtin_setjmp_receiver): Mach-O support.
7684 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
7685 (GOT_SYMBOL_NAME): Define.
7686 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
7687 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
7688 * config/i386/i386.c (override_options): Revise for Darwin.
7689 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
7690 support. (darwin_x86_file_end): New. (output_set_got): Add label
7691 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
7692 * config/i386/i386-protos.h (output_set_got): Likewise.
7693 * config/darwin.c (machopic_legitimize_pic_address): Update
7696 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
7698 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
7699 when MODE isn't BLKmode.
7701 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7703 PR rtl-optimization/25367
7704 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
7706 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
7709 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
7710 for a negative bound.
7712 2006-01-10 Richard Guenther <rguenther@suse.de>
7714 * tree-ssa-structalias.c (get_constraint_for_component_ref):
7715 Never override with anything constraint.
7717 2006-01-10 Jan Beulich <jbeulich@novell.com>
7719 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
7720 256 bits when optimize_size.
7722 2006-01-10 Jan Beulich <jbeulich@novell.com>
7724 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
7726 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
7727 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
7730 2006-01-10 Ben Elliston <bje@au.ibm.com>
7732 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
7734 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
7735 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
7736 (USE_FP_FOR_ARG): Reject decimal float modes.
7737 (function_arg_advance): Likewise.
7738 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
7739 (rs6000_handle_altivec_attribute): Do not permit decimal floating
7740 point types in AltiVec vectors.
7741 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
7742 (rs6000_libcall_value): Likewise.
7744 2006-01-09 Bob Wilson <bob.wilson@acm.org>
7746 * config/xtensa/ieee754-df.S: New file.
7747 * config/xtensa/ieee754-sf.S: New file.
7748 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
7749 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
7750 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
7752 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
7754 * config/sh/predicates.md (binary_float_operator,
7755 binary_logical_operator, commutative_float_operator,
7756 equality_comparison_operator, greater_comparison_operator,
7757 less_comparison_operator, logical_operator,
7758 noncommutative_float_operator, shift_operator,
7759 symbol_ref_operand, unary_float_operator): Remove redundant
7762 2006-01-09 Jeff Law <law@redhat.com>
7764 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
7765 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
7766 now unused arguments. Callers updated.
7767 (eliminate_redundant_computations): Remove now unused arguments,
7769 (local_fold): Remove, no longer used.
7770 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
7772 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
7773 (simplify_cond): New function.
7774 (forward_propagate_into_cond): Call simplify_cond.
7776 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
7778 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
7779 (*vec_extractv2di_1_sse): New.
7781 2006-01-09 Ben Elliston <bje@au.ibm.com>
7783 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
7785 2006-01-08 Richard Guenther <rguenther@suse.de>
7787 * tree-ssa-structalias.c (get_constraint_for): Remove
7789 (get_constraint_for_component_ref): Likewise.
7790 (do_deref): Likewise.
7791 (get_constraint_for): Likewise.
7792 (do_structure_copy): Likewise.
7793 (handle_ptr_arith): Likewise.
7794 (find_func_aliases): Likewise. Remove unused need_anyoffset
7797 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
7798 Kaz Kojima <kkojima@gcc.gnu.org>
7800 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
7801 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
7802 (EXTRA_CONSTRAINT_C16): Remove.
7803 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
7804 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
7805 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
7806 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
7807 constants of SHmedia. Handle nested constant expressions of
7809 (andcosts): Fix the costs for SHmedia constants.
7810 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
7811 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
7812 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
7813 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
7814 (movv4hi_i, movv2si_i): Likewise.
7815 (movsi_const): Adjust the second operand of ior so to match with
7817 (movdi_const, movdi_const_32bit): Likewise.
7818 (movdi_const_16bit+1): Don't sign-extend LOW.
7819 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
7821 (*double_shori): Fix the split condition. Use GEN_INT instead
7822 of get_int_mode calls. Mask lower 16-bit of the argument of
7824 (sym2GOTPLT): Remove.
7825 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
7827 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
7828 instead of EXTRA_CONSTRAINT_C16.
7830 2006-01-07 Ian Lance Taylor <ian@airs.com>
7831 David Edelsohn <edelsohn@gnu.org>
7833 PR rtl-optimization/25662
7834 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
7835 for constant operands instead of simplify_gen_binary.
7836 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
7837 after trying simplify_binary_operation
7839 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
7841 * tree.c (iterative_hash_expr): Hash decls based on UID.
7843 2006-01-06 Eric Christopher <echristo@apple.com>
7845 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
7846 (TARGET_UNWIND_EMIT): Fix spelling.
7847 * target.h (gcc_target): Add except_table_label.
7848 * except.c (output_function_exception_table): Use.
7849 * varasm.c (default_emit_except_table_label): New.
7850 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
7852 (asm_out): Add here.
7853 * output.h (default_emit_except_table_label): Prototype.
7854 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
7855 * config/darwin.c (darwin_emit_except_table_label): Define.
7856 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
7858 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
7860 PR tree-optimization/18527
7861 * tree-ssa-loop-niter.c (number_of_iterations_cond,
7862 number_of_iterations_special, number_of_iterations_exit):
7863 Move base and step of an iv to a single structure. Add
7864 no_overflow flag, and use it in # of iterations analysis.
7865 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
7866 folded_casts argument.
7867 (simple_iv): Pass base and step in a structure. Set no_overflow
7869 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
7870 Evaluate expensiveness of computing # of iterations instead of
7871 the final expression.
7872 * tree-scalar-evolution.h (affine_iv): New structure.
7873 (simple_iv): Declaration changed.
7874 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
7875 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
7876 find_givs_in_stmt): Changed due to simple_iv change.
7878 2006-01-06 Jeff Law <law@redhat.com>
7881 * tree-cfg.c (bsi_replace): Rename final argument from
7882 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
7883 change (stmt -> orig_stmt).
7884 * tree-eh.c (verify_eh_throw_stmt_node): New function.
7885 (bsi_remove): Add new argument. Remove EH information
7887 (verify_eh_throw_table_statements): New function.
7888 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
7890 * tree-optimize.c (execute_free_cfg_annotations): Verify
7891 the EH throw statement table after removing annotations.
7892 * except.h (verify_eh_throw_table_statements): Prototype.
7893 * tree-flow.h (bsi_remove): Update prototype.
7894 * tree-vrp.c (remove_range_assertions): Add new argument to
7896 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
7897 * tree-complex.c (expand_complex_div_wide): Likewise.
7898 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
7899 * tree-tailcall.c (eliminate_tailcall): Likewise.
7900 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
7901 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
7902 * tree-nrv.c (tree_nrv): Likewise.
7903 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
7904 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
7905 (combine_blocks): Likewise.
7906 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
7907 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
7908 (cleanup_control_flow): Likewise.
7909 (remove_forwarder_block): Likewise.
7910 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
7911 * tree-sra.c (sra_replace): Likewise.
7912 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
7913 (forward_propagate_single_use_vars): Likewise.
7914 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
7915 * tree-inline.c (expand_call_inline): Likewise.
7916 * tree-vect-transform.c (vect_transform_loop): Likewise.
7917 * tree-outof-ssa.c (rewrite_trees): Likewise.
7918 * tree-cfg.c (make_goto_expr_edges): Likewise.
7919 (cleanup_dead_labels): Likewise.
7920 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
7921 (bsi_move_before, bsi_move_after): Likewise.
7922 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
7923 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
7925 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
7928 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
7930 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
7931 on non gimple variables. Also add checks at the top for decls and
7933 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
7935 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
7936 and IMAGPART_EXPR for creating MUST_DEFs.
7937 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
7938 and NAME_MEMORY_TAG separately from the DECLs.
7940 2006-01-06 Richard Guenther <rguenther@suse.de>
7942 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
7943 annotation, if necessary.
7944 * tree-ssa-pre.c (create_expression_by_pieces): Remove
7945 redundant calls to update_stmt.
7946 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
7949 2006-01-05 Richard Henderson <rth@redhat.com>
7951 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
7953 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
7955 * c-typeck.c: Update copyright date.
7957 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
7959 * c-typeck.c (build_c_cast): Always warn when casting
7960 from a pointer to an integer of different size, even if
7961 the node was constant.
7963 2006-01-05 Richard Guenther <rguenther@suse.de>
7965 PR tree-optimization/22555
7966 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
7967 if one structure field is an array.
7968 * tree-ssa-operands.c (get_expr_operands): Continue scanning
7969 operands even if we found a subvar, but ignore VOPs in this
7971 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
7973 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
7975 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
7978 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
7980 2006-01-05 Richard Guenther <rguenther@suse.de>
7981 Diego Novillo <dnovillo@redhat.com>
7983 * tree-pass.h (TODO_remove_unused_locals): Define.
7984 * gimple-low.c (expand_var_p, remove_useless_vars,
7985 pass_remove_useless_vars): Remove. Update all users.
7986 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
7987 (remove_unused_locals): New function.
7988 * tree-flow.h (remove_unused_locals): Declare.
7989 * passes.c (execute_todo): Call remove_unused_locals if
7990 TODO_remove_unused_locals is set.
7991 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
7992 * tree-ssa-dce.c (pass_dce): Likewise.
7993 * tree-outof-ssa.c (pass_del_ssa): Likewise.
7995 2006-01-05 Richard Guenther <rguenther@suse.de>
7997 * tree-flow.h (struct fieldoff): Decompose field to
7998 type, size and decl.
7999 * tree-ssa-alias.c (create_sft): Take type as parameter.
8000 (create_overlap_variables_for): Store type, size and decl
8001 in the fieldoff structure.
8002 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
8004 (push_fields_onto_fieldstack): Likewise.
8005 (create_variable_info_for): Likewise. Use offset for the
8006 SFT name if the decl is not available.
8008 2006-01-04 Paul Brook <paul@codesourcery.com>
8010 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
8012 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
8014 * lambda-code.c (can_put_in_inner_loop): Relax
8016 (can_put_after_inner_loop): New function.
8017 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
8018 (perfect_nestify): Change to make copies and modify uses.
8020 2006-01-04 Richard Henderson <rth@redhat.com>
8022 Merge from gomp branch:
8023 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
8024 via integer constant.
8025 (pragma_lex): Remove.
8026 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
8027 rather than parsing it.
8028 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
8029 handle_pragma_extern_prefix): Add %< %> quotes.
8030 (registered_pragmas): New.
8031 (c_register_pragma_1): New.
8032 (c_register_pragma): Use it.
8033 (c_register_pragma_with_expansion): Likewise.
8034 (c_invoke_pragma_handler): New.
8035 (init_pragma): Use cpp_register_deferred_pragma directly for
8037 * c-pragma.h (enum pragma_kind): New.
8038 (pragma_handler): New.
8039 (c_invoke_pragma_handler): Declare.
8040 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
8042 * c-common.h (c_common_pch_pragma): Update decl.
8043 * Makefile.in (c-parser.o): Update dependencies.
8044 (GTFILES): Add c-pragma.h.
8045 * c-parser.c (struct c_token): Add pragma_kind.
8046 (struct c_parser): Add in_pragma.
8047 (c_lex_one_token): Always initialize keyword and pragma_kind.
8048 Extract data for CPP_PRAGMA.
8049 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
8050 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
8051 Don't allow CPP_PRAGMA_EOL if in_pragma.
8052 (c_parser_consume_pragma): New.
8053 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
8054 (c_parser_skip_to_end_of_parameter): Likewise.
8055 (c_parser_skip_to_end_of_block_or_statement): Likewise.
8056 (c_parser_skip_to_pragma_eol): New.
8057 (c_parser_external_declaration): Handle CPP_PRAGMA.
8058 (c_parser_compound_statement_nostart): Likewise.
8059 (c_parser_statement_after_labels): Likewise.
8060 (c_parser_pragma): New.
8061 (pragma_lex): Likewise.
8062 (c_parser_pragma_pch_preprocess): New.
8063 (c_parser_new): Merge into ...
8064 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
8066 2006-01-04 Jeff Law <law@redhat.com>
8069 * tree-cfg.c (bsi_replace): Remove the original statement
8070 from the EH throw statement table.
8072 2006-01-04 Jakub Jelinek <jakub@redhat.com>
8074 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
8075 make the prototype extern "C" and add throw ().
8078 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
8079 and pos non-negative and pos + len <= 32.
8080 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
8081 drop pos + len < HOST_BITS_PER_WIDE_INT test.
8082 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
8085 * c-common.c (handle_vector_size_attribute): Reject zero vector size
8086 as well as sizes not multiple of component size.
8089 * function.c (instantiate_expr): New function.
8090 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
8091 walk its DECL_VALUE_EXPR with instantiate_expr.
8093 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
8094 DW_OP_deref{,_size} if address isn't going to be added.
8096 2006-01-04 Ben Elliston <bje@au.ibm.com>
8098 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
8099 * config/fp-bit.c: Likewise.
8101 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
8103 * dominance.c: Add comment about why we use DFS numbering
8106 2006-01-03 Jakub Jelinek <jakub@redhat.com>
8107 Richard Henderson <rth@redhat.com>
8109 Merge from gomp-branch:
8110 * varasm.c (assemble_variable): Handle thread-local COMMON data.
8111 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
8113 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
8115 PR rtl-optimization/25578
8116 * combine.c (combine_simplify_rtx, force_to_mode): Don't
8117 pass a parameter to simplify_shift_const if changing ASHIFTRT
8120 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
8122 * builtins.c (get_builtin_sync_mem): New function.
8123 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
8124 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
8125 Call get_builtin_sync_mem to generate mem rtx.
8127 2006-01-03 Richard Guenther <rguenther@suse.de>
8130 * stmt.c (add_case_node): Make sure to clear overflow flags
8133 2006-01-03 Jakub Jelinek <jakub@redhat.com>
8135 Merge from gomp-branch.
8136 * config/sparc/sync.md: New file.
8137 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
8138 UNSPECV_LDSTUB): New constants.
8139 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
8140 * config/sparc/predicates.md (memory_reg_operand): New predicate.
8141 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
8144 2006-01-03 Roger Sayle <roger@eyesopen.com>
8146 * combine.c (reg_subword_p): New predicate to test whether the
8147 destination of a set refers to a subword/piece of a register.
8148 (try_combine): Generalize the code to merge the setting of a
8149 pseudo to a constant followed by a set of a subword of that
8150 register to a constant.
8152 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
8154 * basic-block.h (control_flow_graph): Change the type of
8155 x_label_to_block_map to VEC(basic_block,gc) *.
8156 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
8157 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
8159 * tree-ssa-propagate.c (cfg_blocks): Change the type to
8160 VEC(basic_block,heap) *.
8161 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
8162 ssa_prop_fini): Adjust the uses of cfg_blocks.
8164 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
8166 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
8168 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
8169 hashing trees instead of a pointer hash.
8170 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
8171 compare for MEM_EXPR.
8173 PR rtl-optimization/25130
8174 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
8175 when comparing MEMs for GCSE
8177 2006-01-03 Ben Elliston <bje@au.ibm.com>
8179 * targhooks.h (default_decimal_float_supported_p): Declare.
8180 * targhooks.c (default_decimal_float_supported_p): Define.
8181 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
8182 `default_decimal_float_supported_p'.
8183 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
8185 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
8187 * combine.c (apply_distributive_law <SUBREG>): Check
8188 TRULY_NOOP_TRUNCATION.
8190 2006-01-02 Geoffrey Keating <geoffk@apple.com>
8192 * dwarf2out.c (have_switched_text_section): Delete.
8193 (have_multiple_function_sections): New.
8194 (have_location_lists): Make 'bool'.
8195 (add_AT_loc_list): Use 'true' not '1'.
8196 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
8197 (output_loc_list): Use have_multiple_function_sections.
8198 (output_ranges): Likewise.
8199 (dwarf2out_begin_function): Set have_multiple_function_sections if
8201 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
8202 Check function_section rather than DECL_SECTION_NAME.
8203 (dwarf2out_finish): Use have_multiple_function_sections.
8204 Don't clear have_location_lists.
8206 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
8207 Jan Hubicka <jh@suse.cz>
8209 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
8210 case of conditional jump jumping to the next instruction.
8211 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
8212 cases of conditional jump jumping to the next instruction.
8214 2006-01-02 Jan Hubicka <jh@suse.cz>
8216 * i386.c (*_cost): Add COSTS_N_INSNS.
8217 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
8219 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
8222 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
8224 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8226 * config/arm/arm.c (all_fpus): Fix comment typo.
8227 * config/darwin.c: Likewise.
8228 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
8229 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
8230 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
8232 2006-01-01 David Edelsohn <edelsohn@gnu.org>
8234 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
8235 (rs6000_split_compare_and_swapqhi): New.
8236 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
8237 (sync_compare_and_swapqhi_internal): New.
8238 * config/rs6000/rs6000-protos.h: Declare.
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