gcc/ChangeLog

   1 2005-10-20  Steven Bosscher  <stevenb@suse.de>
   2
   3         PR tree-optimization/24225
   4         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
   5
   6 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
   7
   8         PR middle-end/24295
   9         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
  10         alias targets.
  11         * varasm.c (find_decl_and_mark_needed): After cgraph global info
  12         is ready, stop marking functions, but still mark variables.
  13
  14 2005-10-20  Richard Guenther  <rguenther@suse.de>
  15
  16         PR c++/24439
  17         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
  18         void type operands.
  19
  20 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
  21
  22         PR rtl-optimization/23585
  23         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
  24         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
  25         (may_trap_p_1): New predicate extracted from...
  26         (may_trap_p): ... here.  Invoke may_trap_p_1.
  27         (may_trap_or_fault_p): New predicate.
  28         * rtl.h (may_trap_or_fault_p): Declare it.
  29         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
  30         instead of may_trap_p.
  31         (steal_delay_list_from_fallthrough): Likewise.
  32         (fill_simple_delay_slots): Likewise.
  33         (fill_slots_from_thread): Likewise.
  34         * function.c (pad_to_arg_alignment): Rework comment about
  35         SPARC_STACK_BOUNDARY_HACK.
  36         * config/sparc/sparc.h: Likewise.
  37
  38 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
  39
  40         * config/s390/s390.c (s390_expand_insv): New.
  41         * config/s390/s390-protos.h (s390_expand_insv): Declare.
  42         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
  43         ("icm_hi"): Remove mode attribute.
  44         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
  45         Adjust all uses.
  46         ("*extracthi", "*extractqi"): Remove.
  47         (extv<mode>", "*extzv<mode>"): New.
  48         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
  49         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
  50
  51 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
  52
  53         * cfgexpand.c (discover_nonconstant_array_refs_r,
  54         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
  55         (tree_expand_cfg): Call discover_nonconstant_array_refs.
  56         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
  57         discover_nonconstant_array_refs.
  58
  59 2005-10-19  Steven Bosscher  <stevenb@suse.de>
  60
  61         PR c/23228
  62         * c-decl.c (pop_scope): Don't warn about an unused variable
  63         if it is marked with TREE_NO_WARNING.
  64         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
  65         somenow mismatch and olddecl is to be replaced.
  66
  67 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
  68
  69         PR middle-end/23199
  70         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
  71         whether registers live on the edge can be saved/restored.
  72
  73 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
  74
  75         * config/sh/sh.c (fixup_mova): Skip notes.
  76
  77 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
  78
  79         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
  80         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
  81         (s390_can_eliminate): Handle BASE_REGNUM elimination.
  82         (s390_initial_elimination_offset): Likewise.
  83         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
  84         register on TARGET_ZARCH targets.
  85         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
  86         (INITIAL_FRAME_POINTER_OFFSET): Remove.
  87         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
  88         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
  89
  90 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
  91
  92         * config/s390/s390.md: Comment describing output modifiers updated.
  93         * config/s390/s390.c (print_operand): Likewise.
  94
  95 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
  96
  97         * config/s390/s390.c (override_options): Added check for -mstack-size
  98         64k limitation.
  99         * doc/invoke.texi: Mention that limit in the documenation.
 100
 101 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
 102
 103         PR #19672
 104         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
 105
 106 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
 107
 108         Fix PR tree-optimization/24231
 109
 110         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
 111         (compute_avail): Ditto.
 112
 113 2005-10-18  Richard Henderson  <rth@redhat.com>
 114
 115         PR target/24428
 116         * config/i386/i386.c (legitimate_constant_p): Check
 117         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
 118         if LABEL_REF.
 119         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
 120         (legitimate_pic_address_disp_p): Reorg CONST checking to make
 121         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
 122         directly.
 123         (print_operand_address): Likewise.
 124         * config/i386/predicates.md (x86_64_immediate_operand): Test
 125         SYMBOL_REF_TLS_MODEL properly inside CONST.
 126         (x86_64_zext_immediate_operand): Likewise.
 127         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
 128         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
 129         * config/i386/i386-protos.h: Remove predicates.md entries.
 130
 131 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
 132
 133         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
 134         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
 135
 136 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
 137             Ian Lance Taylor <ian@airs.com>
 138
 139         PR middle-end/23522
 140         * fold-const.c (fold_widened_comparison): Do not allow range based
 141         constant folding when right operand cannot be unwidened.
 142
 143 2005-10-17  Richard Henderson  <rth@redhat.com>
 144
 145         * builtins.c (expand_builtin_synchronize): Build a new-style asm
 146         with a memory clobber.
 147
 148 2005-10-17  James E Wilson  <wilson@specifix.com>
 149
 150         PR rtl-optimization/17356
 151         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
 152         checking for EDGE_EH.
 153
 154 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
 155
 156         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
 157         the slot on an even boundary for any type with 16-byte alignment.
 158
 159 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
 160
 161         PR target/23424
 162         * md.texi (Modifiers) <%>: Clarify that % doesn't work
 163         after register allocation.
 164
 165 2005-10-17  DJ Delorie  <dj@redhat.com>
 166
 167         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
 168         as frame related.
 169
 170 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
 171
 172         PR c++/22551
 173         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
 174         overflow flags.
 175
 176 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
 177
 178         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
 179         to 2 if it's already non-zero.
 180         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
 181         is set and warn about it if flag_schedule_insns is 1.
 182
 183 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
 184
 185         * config/crx/crx.md: Compare-and-branch instructions need to
 186         invalidate CC.
 187
 188 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
 189
 190         PR target/24315
 191         * config/i386/i386.md (*pushdi2_rex64 splitter)
 192         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
 193         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
 194         flow2 pass only when (optimize > 0 && flag_peephole2).
 195
 196 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
 197
 198         PR driver/22544
 199         * gcc.c (have_c): New static variable.
 200         (have_o): Likewise.
 201         (process_command): Remove declation of have_c.
 202         Set have_o to 1 when handling -o.
 203         (main): Add a fatel error if there are multiple
 204         files specified and -o and -c/-S is passed witout
 205         -combine or multiple languages.
 206
 207 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
 208
 209         Fix PR tree-optimization/22444
 210         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
 211         Assert that we don't hit something with subvars.
 212         (setup_pointers_and_addressables): Don't add things with subvars,
 213         because we'll already process the subvars for aliasing purposes.
 214
 215 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
 216
 217         PR target/23424
 218         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
 219         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
 220         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
 221         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
 222         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
 223         swapped, alternatives for the R constraint.
 224
 225         PR middle-end/24341
 226         * builtins.c (get_builtin_sync_mode): Make unlimited
 227         mode_for_size request.
 228
 229 2005-10-15  Richard Henderson  <rth@redhat.com>
 230
 231         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
 232         (gimplify_expr): ... here.
 233         (gimplify_compound_lval): Use it in initial scan loop.  Allow
 234         fb_lvalue in base expression.
 235
 236 2005-10-15  Richard Henderson  <rth@redhat.com>
 237
 238         PR 23714
 239         * builtins.c (expand_builtin_trap): Export.
 240         * expr.h (expand_builtin_trap): Declare.
 241         * expr.c (expand_assignment): Emit a trap for integral offsets
 242         from registers that weren't reduced to bitpos.
 243
 244         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
 245         (mark_array_ref_addressable): Remove.
 246         * tree-flow.h (mark_array_ref_addressable): Remove.
 247         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
 248
 249 2005-10-15  James E Wilson  <wilson@specifix.com>
 250
 251         PR target/24232
 252         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
 253         (add_dependence_list_and_free): Likewise.
 254         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
 255         call.
 256
 257 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
 258
 259         PR 23141
 260         PR 23142
 261         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
 262         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
 263         anti-range.
 264         (vrp_visit_phi_node): Only prevent infinite iterations when
 265         the previous result and the new result are both VR_RANGEs.
 266
 267 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
 268
 269         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
 270         function comment.
 271
 272 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
 273
 274         PR c/23439
 275         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
 276         to initialize loc.
 277
 278 2005-10-14  Per Bothner  <per@bothner.com>
 279
 280         PR preprocessor/21250
 281         * c-ppoutput.c (print_line): Print internal line 0 as 1.
 282
 283 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
 284
 285         PR c++/22551
 286         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
 287         overflow flags.  Refactor some conditionals.
 288
 289 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
 290
 291         PR tree-opt/21304
 292         * tree-dfa.c (add_referenced_var): Only look at decls which
 293         have TREE_CONSTANT or TREE_READONLY set instead of if
 294         !TREE_PUBLIC or !TREE_CONSTANT.
 295
 296 2005-10-13  James E Wilson  <wilson@specifix.com>
 297
 298         * doc/invoke.texi: For -x, add f95-cpp-input.
 299         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
 300
 301 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
 302
 303         PR tree-optimization/24262
 304         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
 305         in loop all the time.
 306
 307 2005-10-12  Richard Henderson  <rth@redhat.com>
 308
 309         PR c/24255
 310         * tree.h (DECL_TRANSPARENT_UNION): Remove.
 311         * function.c (assign_parm_find_data_types): Don't support it.
 312         * print-tree.c (print_node): Likewise.
 313         * c-common.c (handle_transparent_union_attribute): Likewise.
 314         Use build_duplicate_type.
 315         * tree-inline.c (remap_type_1): Split out of remap_type;
 316         properly remap aggregate fields.
 317         (build_duplicate_type): New.
 318         * doc/extend.texi (Variable Attributes): Remove documentation
 319         for transparent_union.
 320
 321 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
 322
 323         PR target/24284
 324         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
 325         (gen_stack_pointer_dec): Likewise.
 326
 327 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
 328
 329         PR middle-end/21275
 330         PR middle-end/21766
 331         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
 332         target hook.
 333         (struct cxx): Add adjust_class_at_definition target hook.
 334         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
 335         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
 336         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
 337         hook_void_tree. Add to TARGET_CXX.
 338         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
 339         dllimport_flag.
 340         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
 341         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
 342         instead of attribute. Check for dllexport override.  Warn if
 343         inconsistent dll linkage. Don't lose old dllimport if decl has
 344         had address referenced.   Tweak lookup of dllimport atribute.
 345         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
 346         for target specific rules.  Don't add dllimport attribute if
 347         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
 348         dllimport attribute.
 349         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
 350         * varasm.c (initializer_constant_valid_p): Replace
 351         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
 352
 353         PR target/21801
 354         PR target/23589
 355         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
 356         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
 357         (i[34567]86-*-mingw32*): Likewise.
 358
 359         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
 360         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
 361
 362         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
 363         C++-specific code. Change return value to bool.
 364         (i386_pe_dllimport_p): Likewise.
 365         (associated_type): Simplify and make language-independent
 366         (i386_pe_encode_section_info): Replace override of ambiguous
 367         dllimport symbol refs with a gcc_assert.
 368         (i386_pe_valid_dllimport_attribute_p): Define.
 369         * config/i386/winnt-cxx.c: New file. Define C++ versions of
 370         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
 371         i386_pe_adjust_class_at_definition.
 372         * config/i386/winnt-stubs.c: New file. Define stub versions of
 373         lang-specific functions.
 374         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
 375         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
 376         i386_pe_adjust_class_at_definition.
 377         (i386_pe_valid_dllimport_attribute_p): Declare.
 378         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
 379         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
 380         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
 381
 382         PR target/19704
 383         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
 384         dllimport attribute with test of DECL_DLLIMPORT_P.
 385
 386 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
 387
 388         * combine.c (make_extraction): Correct offset computation.
 389
 390 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
 391
 392         * config/cris/t-linux (LIMITS_H_TEST): Define.
 393
 394 2005-10-12  Richard Henderson  <rth@redhat.com>
 395
 396         PR rtl-opt/23324
 397         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
 398
 399 2005-10-12  Richard Guenther  <rguenther@suse.de>
 400
 401         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
 402
 403 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
 404
 405         PR c++/19964
 406         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
 407         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
 408         type.
 409
 410 2005-10-12  Richard Guenther  <rguenther@suse.de>
 411
 412         PR c++/23799
 413         * varasm.c (output_constant): Correct typo from previous
 414         patch by DJ.
 415
 416 2005-10-11  Ian Lance Taylor  <ian@airs.com>
 417
 418         PR rtl-optimization/13931
 419         * combine.c: Revert patch of 2003-05-14, and:
 420         (try_combine): Only set elim_i1 and elim_i2 if the destination is
 421         completely killed in the appropriate insn.
 422         (distribute_notes): Don't skip multiple hard register test for
 423         elim_i1 and elim_i2.
 424
 425 2005-10-11  Richard Henderson  <rth@redhat.com>
 426
 427         PR c/24255
 428         * c-typeck.c (convert_for_assignment): Use build_constructor_single
 429         to initialize a transparent union instead of a nop_expr.
 430
 431 2005-10-11  Richard Henderson  <rth@redhat.com>
 432
 433         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
 434         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
 435         (tree_ssa_dce_loop): Call scev_reset.
 436
 437         PR tree-opt/24300
 438         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
 439         * tree-ssa-dce.c: Include cfgloop.h.
 440         (tree_ssa_dce_loop, pass_dce_loop): New.
 441         * tree-pass.h (pass_dce_loop): Declare it.
 442         * passes.c (init_optimization_passes): Use it.
 443
 444 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
 445
 446         PR middle-end/24263
 447         * convert.c (convert_to_real): Revert 2005-10-05 patch.
 448         Only apply the optimization for rounding builtins if the inner
 449         cast is also an extension.
 450
 451 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
 452
 453         PR tree-opt/23946
 454         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
 455         mark_new_vars_to_rename instead of update_stmt.
 456
 457 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
 458
 459         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
 460
 461 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
 462
 463         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
 464         for setting MMX register to 0 rather than mmx.
 465
 466 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
 467
 468         PR target/12098
 469         * configure.ac: Move gas check from mips specific case to common case.
 470         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
 471         * configure: Regenerate
 472         * doc/install.texi: Update.
 473
 474 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
 475
 476         PR target/24284
 477         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
 478
 479 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
 480
 481         * gcc.c (do_spec_1): Accept numeric characters in file name
 482         suffixes.
 483
 484 2005-10-10  Nick Clifton  <nickc@redhat.com>
 485
 486         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
 487         describing the deleted arm_gen_rotated_half_load function.
 488
 489 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
 490
 491         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
 492         __fpscr_values.
 493
 494 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
 495
 496         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
 497         gnu_ld assignments.
 498         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
 499         (EXTRA_MULTILIB_PARTS): Define.
 500         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
 501         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
 502         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
 503         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
 504         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
 505         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
 506
 507 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
 508
 509         PR tree-optimization/24226
 510         * tree-cfg.c (remove_bb): Clean up unreachable loops.
 511         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
 512         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
 513         Export.
 514
 515 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
 516
 517         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
 518
 519 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
 520
 521         PR target/24136
 522         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
 523         Rewrite for no need for the early clobber.
 524
 525 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
 526
 527         Merge from csl-arm-branch:
 528         2005-09-07  Paul Brook  <paul@codesourcery.com>
 529         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
 530         space to string.
 531
 532         2005-04-30  Paul Brook  <paul@codesourcery.com>
 533         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
 534         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
 535
 536         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
 537         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
 538         (arm_override_options): Use TARGET_AAPCS_BASED.
 539         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
 540         (PTRDIFF_TYPE): Use int for AAPCS.
 541         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
 542         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
 543         (DEFAULT_SHORT_ENUMS): Delete.
 544         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
 545
 546         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
 547         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
 548         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
 549         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
 550
 551         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
 552         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
 553
 554         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
 555         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
 556
 557         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
 558         * config.gcc (arm*-*-linux-gnueabi): Add it.
 559         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
 560         redefining it.
 561         (TARGET_OS_CPP_BUILTINS): Likeiwse.
 562         * config/arm/linux-eabi.h: New file.
 563         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
 564         (LINUX_TARET_LINK_SPEC): Likewise.
 565         (LINK_SPEC): Use it.
 566         * config/arm/t-linux-eabi: New file.
 567
 568 2005-10-08  Steven Bosscher  <stevenb@suse.de>
 569
 570         PR other/22202
 571         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
 572         spaces.
 573         (PARAM_SMS_DFA_HISTORY): Likewise.
 574
 575 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
 576
 577         PR middle-end/23150
 578         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
 579         (load_register_parameters): Call it.
 580         (check_sibcall_argument_overlap_1): Likewise.
 581         (store_one_arg): Likewise.
 582
 583 2005-10-07  James E. Wilson  <wilson@specifix.com>
 584
 585         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
 586         DImode not VECINT24 for operand 2.
 587
 588         PR target/23644
 589         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
 590         -mtune-arch.
 591
 592         PR target/24193
 593         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
 594         fr_spill): Use destination_operand for operand 0.
 595
 596 2005-10-07  DJ Delorie  <dj@redhat.com>
 597
 598         * varasm.c (output_constant): Limit error to expanding
 599         conversions.
 600
 601 2005-10-07  Richard Guenther  <rguenther@suse.de>
 602
 603         PR middle-end/24227
 604         * fold-const.c (fold_binary): Fix operand types during folding
 605         of X op (A, Y).  Evaluation order of the side-effects of
 606         X and A are frontend-defined, so ensure we honour that even for
 607         tcc_comparison class operands; eased by removing duplicate code.
 608
 609 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
 610
 611         * stor-layout.c (layout_type): Do not allow alignment of array
 612         elements to be greater than their size.
 613
 614 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
 615
 616         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
 617         host_xmake_file.
 618         (hppa*-*-linux*): Ditto.
 619         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
 620         * config/host-hpux.c: New.
 621         * config/x-hpux: New.
 622         * config/pa/x-hpux: Remove.
 623         * config/pa/x-linux: Remove.
 624         * config/pa/pa-host.c: Remove.
 625
 626 2005-10-07  Jeff Law  <law@redhat.com>
 627
 628         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
 629         determine whether or not to try and thread outgoing edges.
 630
 631 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
 632
 633         * config/rs6000/rs6000.md (eqsi_power): New.
 634         (neg_eq0si): Add TARGET_POWER to final condition.
 635         (neg_eqsi): Same.
 636
 637 2005-10-06  Richard Henderson  <rth@redhat.com>
 638
 639         * config/rs6000/rs6000.c: Revert last change.
 640
 641 2005-10-06  Richard Henderson  <rth@redhat.com>
 642
 643         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
 644         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
 645
 646 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
 647
 648         PR middle-end/22216
 649         PR middle-end/23651
 650         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
 651         out return_label and naked_return_label.
 652
 653 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
 654
 655         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
 656         change.
 657
 658 2005-10-06  Richard Henderson  <rth@redhat.com>
 659
 660         PR tree-opt/22237
 661         * tree-inline.c (declare_return_variable): Handle modify_dest not
 662         being a DECL.
 663
 664 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
 665
 666         Fix PR tree-optimization/22488
 667         * tree-ssa-structalias.c (check_for_overlaps): New function.
 668         (create_variable_info_for): Use it.
 669
 670 2005-10-06  Richard Henderson  <rth@redhat.com>
 671
 672         PR debug/24070
 673         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
 674         (dwarf2out_start_source_file): Print it.
 675
 676 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
 677
 678         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
 679
 680 2005-10-06  Richard Henderson  <rth@redhat.com>
 681
 682         PR 23706
 683         * mode-switching.c (optimize_mode_switching): Clear transp bit
 684         for block with incomming abnormal edges.
 685
 686         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
 687         (fpscr_set_from_mem): Use them.
 688         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
 689         (fpscr postinc splitters): Rewrite as peephole2+split.
 690
 691 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
 692
 693         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
 694         (eq<mode>_compare): Same.
 695
 696 2005-10-06  Richard Guenther  <rguenther@suse.de>
 697
 698         PR tree-optimization/24238
 699         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
 700
 701 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
 702
 703         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
 704         here.  Use AC_PATH_PROG for environment variables instead of
 705         test -x.
 706         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
 707         objdump also.
 708         * configure: Regenerated.
 709
 710 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
 711
 712         PR target/23783
 713         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
 714         then force it into a register.
 715         (call_value): Likewise.
 716
 717 2005-10-06  Richard Henderson  <rth@redhat.com>
 718
 719         PR 24049
 720         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
 721         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
 722         under pass_vectorize.
 723
 724 2005-10-05  Devang Patel  <dpatel@apple.com>
 725
 726         PR Debug/23205
 727         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
 728         handling constants. Check NAMESPACE_DECL context for constants.
 729
 730 2005-10-05  Eric Christopher  <echristo@apple.com>
 731
 732         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
 733
 734 2005-10-05  Richard Henderson  <rth@redhat.com>
 735
 736         PR 23714
 737         * tree-cfg.c (mark_array_ref_addressable_1): New.
 738         (mark_array_ref_addressable): New.
 739         * tree-flow.h (mark_array_ref_addressable): Declare.
 740         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
 741
 742 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
 743
 744         PR middle-end/20606
 745         PR middle-end/24069
 746         * reload.c (subst_reloads): When adding a REG_LABEL to a
 747         jump instruction, also update JUMP_LABEL.
 748
 749 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
 750
 751         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
 752         * bb-reorder.c (copy_bb_p): Use it.
 753         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
 754
 755 2005-10-05  Richard Henderson  <rth@redhat.com>
 756
 757         PR target/23602
 758         * toplev.c (process_options): Warn about unsupported combinations
 759         of unwind tables and omit-frame-pointer.
 760         * config/i386/i386.c (override_options): Similarly.  Enable
 761         accumulate-outgoing-args if not explicitly disabled.
 762
 763 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
 764
 765         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
 766         Handle big endian vs. small endian.
 767         (vec_initv2sf): Handle big endian vs. small endian.
 768         (*vec_extractv2sf_1): Ditto.
 769
 770 2005-10-05  Dale Johannesen  <dalej@apple.com>
 771
 772         * convert.c (convert_to_real):  Don't convert
 773         (float)floor(double d) to floorf((float)d).
 774
 775 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
 776
 777         * config/arm/arm.md (insv): Use gen_int_mode in more places.
 778
 779 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
 780
 781         PR tree-optimization/18587
 782         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
 783         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
 784         build_vuses): Change to VEC type.
 785         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
 786         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
 787         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
 788         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
 789         (get_name_decl): New.  Return DECL_UID of base variable.
 790         (operand_build_cmp): New.  qsort comparison routine.
 791         (operand_build_sort_virtual): New.  Sort virtual build vector.
 792         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
 793         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
 794         (FINALIZE_BASE): Use get_name_decl.
 795         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
 796         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
 797         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
 798         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
 799         direct VEC_* manipulations.
 800         (build_ssa_operands): Call operand_build_sort_virtual.
 801         (copy_virtual_operand, create_ssa_artficial_load_stmt,
 802         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
 803         with direct VEC_* manipulations.
 804         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
 805         with direct VEC manipulations.
 806
 807 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
 808
 809         PR tree-optimization/21419
 810         PR tree-optimization/24146
 811         PR tree-optimization/24151
 812
 813         * c-typeck.c (readonly_error): Handle USE being lv_asm.
 814         (build_asm_expr): Call it if outputs are read-only.
 815         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
 816
 817 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
 818             Paolo Bonzini  <bonzini@gnu.org>
 819
 820         PR target/23809
 821
 822         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
 823         enable the instructions and not just the built-ins.
 824         * doc/invoke.texi (x86 Options): Likewise.
 825
 826 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
 827
 828         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
 829
 830         * doc/invoke.texi (Option Summary): Correct spelling
 831         of -mmacosx-version-min.
 832
 833 2005-10-04  Devang Patel  <dpatel@apple.com>
 834
 835         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
 836         real types.
 837
 838 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
 839
 840         * tree-vect-transform.c (vect_create_epilog_for_reduction):
 841         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
 842
 843 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
 844
 845         * config/s390/s390.md ("TDSI","DP"): New mode macros.
 846         ("TE","tg"): New mode attributes.
 847         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
 848         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
 849         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
 850         dword_mode and one for GPRmode.
 851
 852 2005-10-04  Ian Lance Taylor  <ian@airs.com>
 853
 854         PR preprocessor/13726
 855         * c-ppoutput.c (cb_include): Add comments parameter, and print out
 856         any comments passed in.
 857
 858 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
 859
 860         * tree.c (annotate_with_file_line): Fix typo.
 861
 862 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 863
 864         PR ada/19382
 865         * builtins.c (fold_builtin_memcmp): When constructing the pointer
 866         type used to access data in the inlined length == 1 case, use
 867         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
 868         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
 869
 870 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
 871
 872         * config/i386/i386.h (TARGET_FISTTP): Enable also for
 873         TARGET_SSE3 and only for TARGET_80387.
 874         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
 875         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
 876         Do not depend on TARGET_80387.
 877
 878 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
 879
 880         * tree.c (last_annotated_node): Change type to location_t*.
 881         (annotate_with_file_line): Reflect the change of
 882         last_annotated_node type.
 883
 884 2005-10-04  Richard Guenther  <rguenther@suse.de>
 885
 886         PR c/23576
 887         * c-decl.c (grokdeclarator): Don't write to fields
 888         of error_mark_node.
 889
 890 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
 891
 892         PR middle-end/23125
 893         * c-decl.c (finish_decl): Use set_user_assembler_name even for
 894         register variables.
 895         * varasm.c (make_decl_rtl): If a register variable does not
 896         have a set user assmbler name, error out.
 897         Decode the asmspec is now name+1 bypassing '*'.
 898
 899 2005-10-04  Steven Bosscher  <stevenb@suse.de>
 900
 901         PR tree-optimization/23049
 902         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
 903         of a COND_EXPR is folded before calling fold on the whole rhs of a
 904         conditional assignment.
 905         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
 906         document that a COND_EXPR may appear there.
 907
 908 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
 909
 910         PR 23445
 911         * tree-vrp.c (extract_range_from_assert): If the new numeric
 912         range created out of the assertion contradicts the existing
 913         numeric range of the ASSERT_EXPR variable, make the new range
 914         varying.
 915
 916 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
 917
 918         * config/sh/sh.c (sh_register_move_cost): Add case for moving
 919         from T_REGS to FP register class.
 920
 921 2005-10-03  Richard Henderson  <rth@redhat.com>
 922
 923         PR 24135
 924         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
 925         before creating a new one.
 926
 927 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
 928
 929         * config/rs6000/t-aix43 (LDFLAGS): New.
 930         * config/rs6000/t-aix52 (LDFLAGS): New.
 931
 932 2005-10-03  Ian Lance Taylor  <ian@airs.com>
 933
 934         * gimplify.c (find_single_pointer_decl_1): New static function.
 935         (find_single_pointer_decl): New static function.
 936         (internal_get_tmp_var): For a formal variable, set restrict base
 937         information if appropriate.
 938         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
 939         return it.
 940         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
 941         (DECL_GET_RESTRICT_BASE): Define.
 942         (SET_DECL_RESTRICT_BASE): Define.
 943         (decl_restrict_base_lookup): Declare.
 944         (decl_restrict_base_insert): Declare.
 945         (struct tree_decl_with_vis): Add based_on_restrict_p field.
 946         * tree.c (restrict_base_for_decl): New static variable.
 947         (init_ttree): Initialize restrict_base_for_decl.
 948         (copy_node_stat): Copy restrict base information.
 949         (decl_restrict_base_lookup): New function.
 950         (decl_restrict_base_insert): New function.
 951         (print_restrict_base_statistics): New static function.
 952         (dump_tree_statistics): Call print_restrict_base_statistics.
 953
 954 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
 955
 956         PR 24142
 957         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
 958         case of anti-ranges.
 959
 960 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
 961
 962         PR c/18851
 963         * c-typeck.c (tagged_tu_seen): Rename to ...
 964         (tagged_tu_seen_cache): this and add val field.
 965         (comptypes): Move functional to comptypes_internal
 966         and free tagged_tu_seen.
 967         (comptypes_internal): New function and call comptypes_internal
 968         instead of comptypes. Speed up by sibcalling
 969         tagged_types_tu_compatible_p.
 970         (alloc_tagged_tu_seen): New function
 971         (free_all_tagged_tu_seen_up_to): New function.
 972         (tagged_types_tu_compatible_p): Return the val of the seen two
 973         types.
 974         Add that the two types are the same to tagged_tu_seen_base
 975         if they are and call comptypes_internal instead of comptypes.
 976         <case UNION_TYPE>: Speed up common type where the fields are
 977         in the same order.
 978         (function_types_compatible_p): Call comptypes_internal instead of
 979         comptypes.
 980         (type_lists_compatible_p): Likewise.
 981         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
 982
 983 2005-10-02  Matthias Klose  <doko@debian.org>
 984
 985         * doc/invoke.texi: Fix typo and speling error.
 986
 987 2005-10-01  Richard Henderson  <rth@redhat.com>
 988
 989         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
 990
 991 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
 992
 993         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
 994         using --start-group and --end-group.
 995
 996 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
 997
 998         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
 999         FIXME note regarding quirky semantics.
1000
1001 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
1002
1003         PR 24141
1004         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
1005         non-null range as a last resort.
1006
1007 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
1008             Diego Novillo  <dnovillo@redhat.com>
1009
1010         PR 23604
1011         * tree-vrp.c (extract_range_from_assert): For !=
1012         assertions, only build an anti-range if LIMIT is a
1013         single-valued range.
1014
1015 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
1016
1017         * arm.md (movqi): On thumb when optimizing, handle loading from
1018         memory by describing this as taking a subreg of a zero-extended load
1019         into an SImode register.
1020         (movhi): Likewise.
1021
1022 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
1023
1024         * reload1.c (merge_assigned_reloads): Do not change any
1025         RELOAD_FOR_OUTPUT_ADDRESS reloads.
1026
1027 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
1028
1029         * Makefile.in (LIPO_FOR_TARGET): Define.
1030         (STRIP_FOR_TARGET): Define.
1031
1032         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
1033         before creating new ones.  Do symlinks before creating the actual
1034         targets.
1035
1036         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
1037         to work out which multilibs are actually being built.
1038
1039 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
1040
1041         * tree-vect-transform.c, config/ms1/ms1.md,
1042         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
1043         Follow spelling conventions.
1044         * doc/invoke.texi, doc/md.texi: Fix typos.
1045
1046 2005-09-30  Andrew Macleod  <amacleod@redat.com>
1047
1048         PR tree-optimization/21430
1049         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
1050         use operands, and set stmt pointer if need be.
1051         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
1052         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
1053         present.
1054
1055 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1056
1057         PR middle-end/24053
1058         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
1059
1060 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
1061
1062         * optabs.c (expand_binop): Initialize first_pass_p.
1063
1064 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
1065
1066         PR middle-end/24109
1067         * c-decl.c (c_write_global_declarations_1): If any
1068         wrapup_global_declaration_2 call returned true, restart the loop.
1069
1070 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
1071
1072         Fix PR tree-optimization/24117
1073         * tree-ssa-structalias.c (find_func_aliases): Strip nops
1074         before considering whether to use anyoffset.
1075
1076 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
1077
1078         Revert this patch:
1079
1080         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
1081
1082         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
1083         to order operands.
1084         (swap_commutative_operands_with_target): New.
1085
1086 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
1087
1088         PR c/21419
1089         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
1090         read-only.
1091
1092 2005-09-29  Steven Bosscher  <stevenb@suse.de>
1093
1094         PR tree-optimization/23911
1095         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
1096         and IMAGPART_EXPR too.
1097
1098 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
1099
1100         PR 17886
1101         * expmed.c (expand_shift): Move logic to reverse rotation
1102         direction when  rotating by constants ...
1103         * optabs.c (expand_binop): ... here.
1104         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
1105         (ix86_rotrdi3): New pattern.
1106         (rotldi3): Handle 32-bit mode.
1107         (ix86_rotldi3): New pattern.
1108
1109 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
1110
1111         PR target/24102
1112         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
1113         check for numbers that need no bit twiddle.
1114
1115 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
1116
1117         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
1118         multilib to be built.
1119
1120         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
1121         (stage1-start): Delete old libgcc and libunwind before moving
1122         anything into the stage directory.
1123         (stage2-start): Likewise.
1124         (stage3-start): Likewise.
1125         (stage4-start): Likewise.
1126         (stageprofile-start): Likewise.
1127         (stagefeedback-start): Likewise.
1128         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
1129         header in tm_file and CPU-specific t-darwin in tmake_file.
1130         (i[34567]86-*-darwin*): Don't change tm_file.
1131         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
1132         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
1133         shared library stub for target OS version.
1134         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
1135         (SHLIB_LINK): Don't make SHLIB_SOLINK.
1136         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
1137         (libgcc_s.%.dylib): New.
1138         (LIBGCC): Define.
1139         (install-darwin-libgcc-stubs): New.
1140         (INSTALL_LIBGCC): New append.
1141         * config/i386/darwin-libgcc.10.4.ver: New.
1142         * config/i386/darwin-libgcc.10.5.ver: New.
1143         * config/i386/t-darwin: New.
1144         * config/rs6000/darwin-libgcc.10.4.ver: New.
1145         * config/rs6000/darwin-libgcc.10.5.ver: New.
1146         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
1147         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
1148
1149 2005-09-28  Paul Brook  <paul@codesourcery.com>
1150
1151         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
1152         denormals.
1153
1154 2005-09-28  Richard Guenther  <rguenther@suse.de>
1155
1156         PR tree-optimization/23853
1157         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
1158         host_integerp to verify misalignment value.
1159
1160 2005-09-28  Richard Henderson  <rth@redhat.com>
1161
1162         * builtins.c (get_builtin_sync_mode): New.
1163         (expand_builtin_sync_operation): Pass in mode argument.
1164         (expand_builtin_compare_and_swap): Likewise.
1165         (expand_builtin_lock_test_and_set): Likewise.
1166         (expand_builtin_lock_release): Likewise.
1167         (expand_builtin): Update to match.
1168
1169 2005-09-28  Nick Clifton  <nickc@redhat.com>
1170
1171         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
1172         formatting.  Add check to PLUS case to ensure that the offset is
1173         within an acceptable range.
1174
1175         * config/v850/v850.md (casesi): Disable the generation of the
1176         switch pattern as it is not being handled properly at the moment.
1177
1178         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
1179         for when the high words are identical.
1180
1181 2005-09-27  Richard Henderson  <rth@redhat.com>
1182
1183         * pretty-print.c (pp_base_format): Fix typo for %>.
1184
1185 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
1186             Devang Patel  <dpatel@apple.com>
1187
1188         PR tree-optimization/23625
1189         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
1190         LABEL_EXPR, assertion check.
1191
1192 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
1193
1194         * optabs.c (no_conflict_move_test): Check if a result of a
1195         to-be-moved insn would be clobbered by an originally
1196         preceding insn.
1197
1198 2005-09-27  Jeff Law  <law@redhat.com>
1199
1200         * passes.c (init_optimization_passes): Replace copy propagation
1201         passes immediately after DOM with phi-only copy propagation
1202         pases.  Add phi-only copy propagation pass after first DOM pass.
1203         * tree-pass.h (pass_phi_only_copy_prop): Declare.
1204         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
1205         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
1206         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
1207         to init_copy_prop.  Callers updated.
1208         (do_phi_only_copy_prop): New function.
1209         (pass_phi_only_copy_prop): New pass descriptor.
1210
1211 2005-09-27  Nick Clifton  <nickc@redhat.com>
1212
1213         * libgcc2.c (__popcount_tab): Remove redundant prototype.
1214
1215 2005-09-26  Jason Merrill  <jason@redhat.com>
1216
1217         PR c++/13764
1218         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
1219
1220         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
1221
1222 2005-09-26  James E Wilson  <wilson@specifix.com>
1223
1224         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
1225         copyright.  Add gcc copyright plus libgcc exception.
1226         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
1227         copyright.
1228         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
1229
1230 2005-09-26  Jeff Law  <law@redhat.com>
1231
1232         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
1233         about when to iterate.
1234
1235 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
1236
1237         PR target/23847
1238         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
1239         for __complex__ double in -mcpu=G5 mode.
1240
1241 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
1242
1243         PR tree-optimization/23942
1244         * Makefile.in (SCEV_H): Depends on PARAMS_H.
1245         * tree-scalar-evolution.c: Include params.h.
1246         (t_bool): New enum.
1247         (follow_ssa_edge, follow_ssa_edge_in_rhs,
1248         follow_ssa_edge_in_condition_phi_branch,
1249         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
1250         Change return type to t_bool.  Use a parameter to limit the size of
1251         trees that are walked before stopping
1252         (analyze_evolution_in_loop): Initialize the limit to 0.
1253         (follow_ssa_edge): Give up by returning t_dont_know if the limit
1254         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
1255
1256 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
1257
1258         PR middle-end/23831
1259         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
1260         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
1261
1262 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
1263
1264         * combine.c (make_extraction): Check for valid use of subreg.
1265
1266 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
1267
1268         PR target/24055
1269         * config/i386/i386.md ("*fistdi2_1"): New pattern.
1270         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
1271         ("fist<mode>2_with_temp"): Use only register operands.
1272
1273 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
1274
1275         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
1276         CALL_INSN_FUNCTION_USAGE.
1277
1278 2005-09-26  Richard Guenther  <rguenther@suse.de>
1279
1280         PR middle-end/15855
1281         * gcse.c: Include hashtab.h, define ldst entry hashtable.
1282         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
1283         (ldst_entry): Use the hashtable instead of list-walking.
1284         (find_rtx_in_ldst): Likewise.
1285         (free_ldst_entry): Free the hashtable.
1286         (compute_ld_motion_mems): Create the hashtable.
1287         (trim_ld_motion_mems): Remove entry from hashtable if
1288         removing it from list.
1289         (compute_store_table): Likewise^2.
1290         (store_motion): Free hashtable in case we did not see
1291         any stores.
1292
1293 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
1294
1295         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
1296         and arg1 if we are passing them to fold_build2.
1297
1298 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
1299
1300         PR 23828
1301         * config/i386/i386.c (ix86_function_regparm): Fix the test for
1302         a nested function.
1303
1304 2005-09-25  Richard Henderson  <rth@redhat.com>
1305
1306         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
1307         SYMBOL_REF_TLS_MODEL to be correct.
1308
1309 2005-09-24  Richard Henderson  <rth@redhat.com>
1310
1311         * ipa-type-escape.c (discover_unique_type): Remove dead code at
1312         end of function.  Reindent.
1313
1314 2005-09-24  Ian Lance Taylor  <ian@airs.com>
1315
1316         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
1317         NEGATE_EXPR/BIT_NOT_EXPR case.
1318
1319 2005-09-24  Richard Henderson  <rth@redhat.com>
1320
1321         * c-common.c (handle_mode_attribute): When not modifying in place,
1322         create subtypes for enumerations.
1323         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
1324         * gimplify.c (create_tmp_from_val): Likewise.
1325
1326 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
1327
1328         * config/i386/i386.md (*tls_global_dynamic_64,
1329         *tls_local_dynamic_base_64): Add missing mode to call.
1330         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
1331
1332 2005-09-24  Jan Hubicka  <jh@suse.cz>
1333
1334         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
1335         (cgraph_clone_node): Likewise.
1336         * cgraph.h (cgraph_clone_edge): Update prototype.
1337         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
1338         duplicated prototypes; add updating argument.
1339         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
1340         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
1341         updating profile.
1342         (cgraph_mark_inline_edge): Likewise.
1343         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
1344         (cgraph_flatten_node): Likewise.
1345         (cgraph_decide_recursive_inlining): Likewise.
1346         (cgraph_decide_inlining_of_small_function): Likewise.
1347         * tree-optimize.c (tree_rest_of_compilation): Likewise.
1348
1349 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
1350             Pete Steinmetz <steinmtz@us.ibm.com>
1351
1352         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
1353         (rldic.): Set type to "compare".
1354         (rldicr.): Same.
1355         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
1356         mfjmpr for MFCTR/MFLR.
1357         (movdf_hardfloat64): Same.
1358         (movdf_softfloat64): Same.  Correct order of store and move types.
1359         (movti_string): Set type to store_ux/load_ux.
1360         (load_multiple): Set type to load_ux.
1361         (store_multiple): Set type to store_ux.
1362         (movmemsi): Set type to store_ux.
1363         (output_cbranch direct_return): Set type to jmpreg.
1364         (stmw): Set type to store_ux.
1365         (lmw): Set type to load_ux.
1366         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
1367         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
1368         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
1369         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
1370         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
1371         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
1372         (rios1-fpstore): Increase latency to 3.
1373         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
1374         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
1375
1376 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
1377             Andrew Pinski  <pinskia@physics.uc.edu>
1378
1379         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
1380         operand2 constraint to "b".
1381         (sync_<fetchop_name>di_internal): Same.
1382         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
1383         to "b".
1384         (sync_old_<fetchop_name>di_internal): Same.
1385         (sync_new_<fetchop_name>si_internal): Same.
1386         (sync_new_<fetchop_name>di_internal): Same.
1387
1388 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
1389
1390         PR middle-end/23991
1391         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
1392         case, define as macros.
1393
1394         PR rtl-optimization/23837
1395         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
1396         clobber / clobber match between dest and p->first.
1397
1398         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
1399         (no_conflict_move_test): Update comments.
1400
1401 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
1402
1403         * doc/install.texi: Update URL for Jacks.
1404         * doc/sourcebuild.texi: Likewise.
1405
1406 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
1407
1408         PR target/24007
1409         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
1410         registers when choosing register preferences.
1411         (movdf_hardfloat64): Same.
1412
1413 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
1414
1415         * expmed.c (expand_shift): Don't use the target of the rotate as
1416         target for the first expanded shift insn.
1417         * testsuite/gcc.dg/20050922-1.c: Testcase added.
1418
1419 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
1420
1421         PR tree-optimization/22438
1422         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
1423         preserved iv rhs rewriting specially.
1424
1425 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
1426
1427         * tree-data-ref.c (analyze_array_indexes): Only estimate when
1428         estimate_only  is true.
1429         * tree-flow.h (ref_contains_indirect_ref): New prototype.
1430         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
1431         tree-ssa-structalias.c
1432         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
1433         ref_contains_indirect_ref.
1434         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
1435
1436 2005-09-21  DJ Delorie  <dj@redhat.com>
1437
1438         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
1439         MASK_PTR_A0D0.
1440         (mn10300_return_in_memory): Support variable size types also.
1441         (mn10300_pass_by_reference): Likewise.
1442         (mn10300_function_value): New.
1443         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
1444         (FUNCTION_OUTGOING_VALUE): Likewise.
1445         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
1446         * doc/invoke.texi: Document it.
1447
1448 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
1449
1450         PR target/22585
1451         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
1452         force integer op1 into register for XFmode compares.
1453
1454 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
1455
1456         PR middle-end/23971
1457         * expmed.c (alg_code): Add alg_impossible.
1458         (alg_hash_entry): Add cost.
1459         (synth_mult): Record alg_impossible in the hash table if
1460         multiplication by a given integer is impossble within the
1461         limit.  Speed up using alg_impossible.
1462
1463 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
1464
1465         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
1466         argument.  Allow and set any offset if needs_anyoffset is passed
1467         in.
1468         (get_constraint_for): Add argument here too.
1469         Pass it down.
1470         (do_structure_copy): Pass NULL to get_constraint_for.
1471         (handle_ptr_arith): Ditto.
1472         (find_func_aliases): Ditto.
1473
1474 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
1475
1476         PR rtl-optimization/23898
1477         * output.h (get_attr_min_length): Declare.
1478         * final.c (get_attr_length_1): New function, broken out of:
1479         (get_attr_length).
1480         (get_attr_min_length): New function.
1481         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
1482         (duplicate_computed_gotos): Likewise.
1483         * genattr.c (insn_min_length): Generate declaration.
1484         * genattrtab.c (min_fn, min_attr_value): New functions.
1485         (make_length_attrs): Generate insn_min_length.
1486
1487 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
1488
1489         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
1490
1491 2005-09-20  Richard Henderson  <rth@redhat.com>
1492
1493         PR tree-optimization/24059
1494         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
1495         EXPAND_STACK_PARM.
1496
1497 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
1498
1499         * c.opt (fextended-identifiers): New.
1500         * c-opts.c (c_common_handle_option): Handle
1501         -fextended-identifiers.
1502         * doc/cpp.texi: Update documentation of extended identifiers.
1503         * doc/cppopts.texi (-fextended-identifiers): Document.
1504
1505 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
1506
1507         PR tree-optimization/23929
1508         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
1509         if expr is NULL.
1510
1511         PR tree-optimization/23818
1512         * tree-stdarg.c (execute_optimize_stdarg): Call
1513         calculate_dominance_info.
1514
1515 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
1516
1517         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
1518         (analyze_siv_subscript_cst_affine): Add weak SIV test.
1519         (compute_overlap_steps_for_affine_1_2): Use
1520         get_number_of_iters_for_loop.
1521         (analyze_subscript_affine_affine): Check whether difference is
1522         zero first.
1523         Use get_number_of_iters_for_loop.
1524         Check whether overlap occurs outside of bounds.
1525         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
1526
1527 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
1528
1529         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
1530         base register if possible.
1531
1532 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
1533
1534         PR tree-optimization/18463
1535         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
1536         converting it directly is not possible.
1537         (chrec_convert_aggressive): New function.
1538         * tree-chrec.h (chrec_convert_aggressive): Declare.
1539         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
1540         Fold chrec conversions aggressively if asked to.
1541         (instantiate_parameters): Modified because of changes in
1542         instantiate_parameters_1.
1543
1544 2005-09-19  Richard Henderson  <rth@redhat.com>
1545
1546         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
1547         (reduc_splus_v2df): New.
1548
1549 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
1550
1551         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
1552         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
1553
1554 2005-09-19  Richard Henderson  <rth@redhat.com>
1555
1556         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
1557         vcondu<SSEMODE12>.
1558
1559 2005-09-19  Richard Henderson  <rth@redhat.com>
1560
1561         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
1562         (ia64_expand_dot_prod_v8qi): New.
1563         * config/ia64/ia64-protos.h: Update.
1564         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
1565         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
1566         sdot_prodv8qi, sdot_prodv4hi): New.
1567         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
1568
1569 2005-09-19  Richard Henderson  <rth@redhat.com>
1570
1571         PR 23941
1572         * real.c (exact_real_truncate): Return false if the format cannot
1573         represent the number as a normal.
1574
1575         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
1576         for a memory source.
1577
1578 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
1579
1580         * tree-ssa-operands.c (swap_tree_operands): Export.
1581         * tree.h (swap_tree_operands): Declare.
1582         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
1583         Call swap_tree_operands.
1584
1585 2005-09-19  Richard Henderson  <rth@redhat.com>
1586
1587         * tree-flow.h (merge_alias_info): Declare.
1588         * tree-ssa-copy.c (merge_alias_info): Export.
1589         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
1590         (vect_create_data_ref_ptr): Use create_iv directly.
1591         (vectorizable_load): Use correct types for integer constants.
1592         (vect_generate_tmps_on_preheader): Likewise.
1593         (vect_gen_niters_for_prolog_loop): Likewise.
1594
1595 2005-09-19  Steven Bosscher  <stevenb@suse.de>
1596
1597         PR rtl-optimization/23943
1598         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
1599
1600 2005-09-18  Jan Hubicka  <jh@suse.cz>
1601
1602         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
1603
1604 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
1605
1606         * varasm.c (output_constant): Do not abort on conversions to union
1607         types between different sizes.
1608
1609 2005-09-18  Richard Guenther  <rguenther@suse.de>
1610
1611         PR middle-end/23944
1612         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
1613         fallback.
1614
1615 2005-09-18  Paul Brook  <paul@codesourcery.com>
1616
1617         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
1618
1619 2005-09-17  Richard Henderson  <rth@redhat.com>
1620
1621         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
1622         * tree-ssa-loop.c (pass_vect_dce): Remove.
1623         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
1624         of pass_vectorize.
1625
1626 2005-09-17  Richard Henderson  <rth@redhat.com>
1627
1628         * tree-pass.h (pass_vect_dce): Declare.
1629         * passes.c (init_optimization_passes): Add it.
1630         * tree-flow.h (tree_ssa_dce): Declare.
1631         * tree-ssa-dce.c (tree_ssa_dce): Export.
1632         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
1633         (gate_tree_vectorize): ... here.
1634         (pass_vect_dce): New.
1635
1636 2005-09-17  Jan Hubicka  <jh@suse.cz>
1637
1638         * except.c (struct eh_status): Turn region_array into vec.
1639         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
1640         convert_from_eh_region_ranges, find_exception_handler_labels,
1641         current_function_has_exception_handlers, assign_filter_values,
1642         build_post_landing_pads, dw2_build_landing_pads,
1643         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
1644         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
1645         foreach_reachable_handler, can_throw_internal_1,
1646         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
1647         region_array.
1648         (duplicate_eh_region_1): Update region_array.
1649         (duplicate_eh_regions): Resize region_array and avoid recomputing.
1650
1651 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
1652
1653         PR middle-end/22067
1654         * expmed.c (expand_mult): Substitute simple register for op0 when
1655         computing max_cost.
1656
1657 2005-09-17  Richard Henderson  <rth@redhat.com>
1658
1659         * expr.c (emit_move_via_integer): Add force argument, pass it on
1660         to emit_move_change_mode.  Update callers.
1661         (emit_move_complex): Pass true to new force argument.
1662         * function.c (expand_function_end): Move expand_eh_return call
1663         earlier.  Merge sub-word complex values into a pseudo before
1664         copying to the return hard register.
1665
1666 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
1667
1668         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
1669         between different sizes.
1670
1671 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
1672
1673         PR 23903
1674
1675         * passes.c (init_optimization_passes): Register dump files for
1676         IPA passes first.
1677
1678 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
1679
1680         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
1681         * config/s390/s390.c (s390_overlap_p): New function.
1682         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
1683         peephole2, "*xc" peephole2): Added overlap check to the peephole2
1684         condition.
1685
1686 2005-09-16  Richard Guenther  <rguenther@suse.de>
1687
1688         * ipa-pure-const.c (static_execute): Free auxiliar information.
1689         * ipa-type-escape.c (discover_unique_type): Free temporary key.
1690         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
1691
1692 2005-09-15  DJ Delorie  <dj@redhat.com>
1693
1694         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
1695
1696 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
1697
1698         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
1699         to order operands.
1700         (swap_commutative_operands_with_target): New.
1701
1702 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
1703
1704         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
1705         parameter.
1706         Update callers.
1707         (estimate_iters_using_array): New function.
1708         * tree-data-ref.h (estimate_iters_using_array): Prototype
1709         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1710         Use estimate_iters_using_array instead of analyze_array.
1711
1712 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
1713
1714         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
1715         as addressable.
1716
1717 2005-09-15  Michael Matz  <matz@suse.de>
1718
1719         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
1720
1721 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
1722
1723         PR tree-optimization/23835
1724         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
1725         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
1726
1727 2005-09-14  Richard Henderson  <rth@redhat.com>
1728
1729         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
1730         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
1731
1732 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
1733
1734         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
1735         in the ARRAY_TYPE case.
1736
1737 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
1738
1739         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
1740
1741 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
1742
1743         PR middle-end/22480
1744         * tree-vect-transform.c (vectorizable_operation): Return false for
1745         scalar shift operations and for vector shift operations with
1746         non-invariant shift arguments.  Use scalar tree operand op1 as
1747         a shift operand when vector shift insn pattern uses scalar shift
1748         operand.
1749         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
1750
1751 2005-09-14  Olivier Hainque  <hainque@adacore.com>
1752
1753         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
1754         value if it has side-effects.
1755
1756 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
1757
1758         PR target/22068
1759         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
1760
1761 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
1762
1763         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
1764         passed as NAME as if it were label at start of function code.
1765
1766 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
1767
1768         * config/sh/sh.md (*movv4sf_i): Add general register cases to
1769         the constraints.
1770
1771 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
1772
1773         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
1774         as early clobber.  Rewrite so the PIC register is not implicitly used.
1775
1776 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1777
1778         * tree.c (annotate_with_file_line): Compare line numbers before
1779         file names.
1780
1781 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
1782
1783         PR target/23816
1784         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
1785         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
1786
1787 2005-09-13  Ian Lance Taylor  <ian@airs.com>
1788
1789         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
1790         than a HOST_WIDEST_INT to gen_doloop_begin.
1791
1792 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
1793
1794         * tree-dfa.c (dump_variable): Guard against NULL annotations.
1795
1796 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
1797
1798         PR tree-optimize/23817
1799         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
1800
1801 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
1802
1803         PR target/23774
1804         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
1805         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
1806         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
1807         (restore_stack_nonlocal): Likewise.
1808         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
1809
1810 2005-09-12  Ian Lance Taylor  <ian@airs.com>
1811
1812         PR g++/7874
1813         * c.opt (ffriend-injection): New C++ option.
1814         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
1815         (C++ Dialect Options): Document -ffriend-injection.
1816
1817 2005-09-12  Josh Conner  <jconner@apple.com>
1818
1819         PR middle-end/23237
1820         * ipa-reference.c (static_execute): Don't mark variables in
1821         named sections TREE_READONLY.
1822
1823 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
1824
1825         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
1826         stack_tie.
1827
1828 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
1829
1830         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
1831         V_MUST_DEF instead of just the first_use_p.
1832         Don't mark the virtual variables for renaming on the statement which
1833         is being removed.
1834         (pass_dse): Remove TODO_update_ssa.
1835
1836 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
1837
1838         PR middle-end/23290
1839         * stor-layout.c (compute_record_mode): For records with a single
1840         field, actually check the field's mode size against the type size.
1841
1842         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
1843         registers for TARGET_SHMEDIA.
1844         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
1845         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
1846         of GENERAL_REGS and FP_REGS.
1847
1848 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
1849
1850         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
1851
1852 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
1853
1854         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
1855         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
1856         are omitted.  Exclude stack_tie insn too.
1857
1858 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
1859
1860         PR rtl-optimization/23098
1861         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
1862         0.0f is easy.
1863         * config/rs6000/rs6000.md (movdf splitter): Use
1864         const_double_operand predicate for TARGET_POWERPC64.
1865         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
1866         SYMBOL_REF method to ABI_V4.
1867
1868         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
1869         replace_equiv_address.
1870         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
1871         rs6000_sr_alias_set and MEM_NOTRAP.
1872         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
1873
1874 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
1875
1876         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
1877         handle CALL_EXPR again.
1878
1879 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
1880
1881         * arm/predicates.md (alignable_memory_operand): Delete.
1882
1883 2005-09-10  Richard Henderson  <rth@redhat.com>
1884
1885         PR debug/23806
1886         * dbxout.c (dbxout_expand_expr): New.
1887         (dbxout_symbol): Use it.
1888
1889 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
1890
1891         * arm.c (arm_gen_rotated_half_load): Delete.
1892         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
1893         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
1894         (thumb_set_return_address): Likewise.
1895         (thumb_load_double_from_address): Use adjust_address.
1896         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
1897         (extendhsisi2_mem, movhi_bytes): Use change_address.
1898         (movhi): Use widen_memory_access.
1899         (reload_out_df): Use replace_equiv_address.
1900         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
1901
1902 2005-09-09  Richard Henderson  <rth@redhat.com>
1903
1904         PR debug/20998
1905         * dbxout.c: Include expr.h.
1906         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
1907         (dbxout_symbol): Handle DECL_VALUE_EXPR.
1908         * Makefile.in (dbxout.o): Add EXPR_H.
1909
1910 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
1911
1912         PR tree-optimization/23509
1913         * tree-cfg.c (replace_uses_by): Use replace_exp.
1914         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
1915         pointers have name_mem_tag or type_mem_tag set.
1916
1917 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
1918
1919         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
1920         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
1921         of wrongly accessing operands.
1922
1923 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
1924
1925         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
1926         * tree-chrec.c: Include tree-scalar-evolution.h.
1927         (chrec_convert): Instantiate the base and step before calling
1928         scev_probably_wraps_p that would fail on parametric evolutions.
1929         Collect all the fails into a single section failed_to_convert,
1930         print a diagnostic, and return chrec_dont_know instead of calling
1931         fold_convert.
1932         * tree-scalar-evolution.c (loop_closed_phi_def): New.
1933         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
1934         phi nodes.
1935         (scev_const_prop): Don't replace the definition of a loop closed ssa
1936         phi node by itself, or by another loop closed ssa phi node.
1937         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
1938         that base and step are defined.
1939
1940 2005-09-09  Richard Guenther  <rguenther@suse.de>
1941
1942         PR c++/23624
1943         * fold-const.c (fold_ternary): Check truth_value_p before
1944         calling invert_truthvalue.
1945
1946 2005-09-09  Nick Clifton  <nickc@redhat.com>
1947
1948         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
1949         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
1950         dimension of these arrays.
1951         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
1952         these arrays.
1953         * longlong.h: Only provide a prototype for the __clz_tab[] array
1954         if this header has not been included from libgcc2.h.
1955         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
1956         defining own types.
1957         Provide prototypes for exported functions.
1958         Use the __clz_tab[] and __popcount_tab[] arrays provided by
1959         libgcc2.c.
1960
1961 2005-09-08  Josh Conner  <jconner@apple.com>
1962
1963         PR c++/21135
1964         PR c++/23180
1965         * expr.c (expand_expr_addr_expr_1): Don't invoke
1966         expand_simple_binop for EXPAND_INITIALIZER.
1967
1968 2005-09-08  Richard Henderson  <rth@redhat.com>
1969
1970         PR debug/23190
1971         * toplev.c (wrapup_global_declaration_1): Split out ...
1972         (wrapup_global_declaration_2): ... from ...
1973         (wrapup_global_declarations): ... here.  Return bool.
1974         (check_global_declaration_1): Split out ...
1975         (check_global_declarations): from here.
1976         (emit_debug_global_declarations): New.
1977         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
1978         check_global_declaration_1, emit_debug_global_declarations): Declare.
1979         * c-decl.c (c_write_global_declarations_1): Don't create a vector
1980         of decls.  Call wrapup_global_declaration_1,
1981         wrapup_global_declaration_2, check_global_declaration_1 directly.
1982         (c_write_global_declarations_2): New.
1983         (ext_block): New.
1984         (c_write_global_declarations): Call c_write_global_declarations_2.
1985         * langhooks.c (write_global_declarations): Call
1986         emit_debug_global_declarations.
1987
1988         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
1989         remove decls that have DECL_RTL_SET_P.
1990         * passes.c (rest_of_decl_compilation): Invoke
1991         cgraph_varpool_finalize_decl for all but functions.
1992
1993 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
1994
1995         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
1996         the result of a conversion if the new min and max cannot be compared.
1997
1998 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
1999
2000         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
2001         (override_options): Setting s390_sr_alias_set removed.
2002         (save_fpr, save_gprs): Set alias set to vararg or frame.
2003         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
2004         s390_sr_alias_set with get_frame_alias_set ().
2005         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
2006         get_varargs_alias_set ().
2007
2008 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
2009
2010         PR objc/20574
2011         PR objc/19324
2012         * c-parser.c (c_parser_objc_method_definition): If the next
2013         token is not "{", error out and don't start the function.
2014
2015 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
2016
2017         * tree-vrp.c (extract_range_from_expr): Move the check for non
2018         nullness after the check for gimple invariant.
2019
2020 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2021
2022         * tree.c (host_integerp, tree_low_cst): Correct function comment.
2023
2024 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2025
2026         PR target/23747
2027         * config/m32r.md (movmemsi_internal): Canonicalize order of
2028         operands in PLUS component of template.
2029
2030 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
2031
2032         * reload1.c (fixup_eh_region_note): Remove assertion.
2033         (fixup_abnormal_edges): Reverted removal of call to
2034         find_many_sub_basic_blocks made on 2005-08-31.
2035
2036 2005-09-07  Richard Henderson  <rth@redhat.com>
2037
2038         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
2039         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
2040         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
2041         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
2042         rearrange for better packing.
2043         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
2044         (lookup_cfa_1): Remove inline marker.
2045         (cfa_equal_p): Split out of ...
2046         (def_cfa_1): ... here.  Use INVALID_REGNUM.
2047         (build_cfa_loc): Handle !cfa->indirect.
2048         (frame_pointer_cfa_offset): New.
2049         (dbx_reg_number): Assert register elimination performed; do
2050         leaf register remapping.
2051         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
2052         (eliminate_reg_to_offset): New.
2053         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
2054         for verifiably local stack frame addresses; re-base to CFA.
2055         (mem_loc_descriptor): Remove can_use_fbreg argument.
2056         (concat_loc_descriptor, loc_descriptor): Likewise.
2057         (containing_function_has_frame_base): Remove.
2058         (rtl_for_decl_location): Don't do register elimination or
2059         leaf register remapping here.
2060         (secname_for_decl): Split out from ..
2061         (add_location_or_const_value_attribute): ... here.
2062         (convert_cfa_to_loc_list): New.
2063         (compute_frame_pointer_to_cfa_displacement): New.
2064         (gen_subprogram_die): Use them.
2065         * tree.h (frame_base_decl): Remove.
2066         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
2067         (prologue_stack_adjust): Remove.
2068         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
2069         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
2070         (set_frame_base_location): Remove.
2071         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
2072         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
2073         (vt_add_function_parameters): Don't eliminate_regs.
2074         (vt_initialize): Don't create frame_base_decl.
2075
2076 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
2077
2078         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
2079         version of GNU binutils for 4.x and later.
2080
2081 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
2082
2083         * ggc-page.c (ggc_push_context): Remove.
2084         (ggc_pop_context): Likewise.
2085         * ggc.h (ggc_push_context): Remove.
2086         (ggc_pop_context): Likewise.
2087
2088 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
2089
2090         PR target/8973
2091         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
2092         returning from an interrupt handler.
2093
2094 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
2095
2096         PR target/8972
2097         * config/arc/arc.c (output_shift): Add check for loop count when
2098         optimizing.
2099
2100 2005-09-06  Steven Bosscher  <stevenb@suse.de>
2101
2102         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
2103         form manually.
2104         (abs_replacement): Likewise.
2105         (pass_phiopt): Remove TODO_update_ssa.
2106
2107 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
2108
2109         PR c/23075
2110         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
2111         if "return with no value, in function returning non-void" warning
2112         has been issued.
2113         * tree-cfg.c (execute_warn_function_return): Don't look at
2114         RETURN_EXPRs with TREE_NO_WARNING set.
2115
2116         PR target/22362
2117         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
2118         for internal functions doesn't use registers used by global registers
2119         variables.  Use fewer register parameters if there are global register
2120         variables.
2121
2122 2005-09-06  Olivier Hainque  <hainque@adacore.com>
2123             Eric Botcazou  <ebotcazou@adacore.com>
2124
2125         PR middle-end/14997
2126         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
2127         when we would be extracting outside its bit span (bitpos+bitsize
2128         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
2129         Ada unchecked conversions.
2130
2131 2005-09-06  Steven Bosscher  <stevenb@suse.de>
2132
2133         * tree-ssa-pre.c (try_look_through_load): New function.
2134         (compute_avail): Use it to try to look through loads for some
2135         more useful expressions.
2136
2137 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
2138
2139         * simplify-rtx.c (simplify_binary_operation_1): Correct the
2140         condition for detecting cases like (a&a) and (a^a).
2141
2142 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
2143
2144         * common.opt: Add option ftree-vect-loop-version.
2145         * params.def: Add --param vect-max-version-checks.
2146         * doc/invoke.texi: Document ftree-vect-loop-version and
2147         --param vect-max-version-checks.
2148         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
2149         may_misalign_stmts and defines for accessors.
2150         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
2151         LOOP_VINFO_MAY_MISALIGN_STMTS.
2152         (destroy_loop_vec_info): VEC_free for
2153         LOOP_VINFO_MAY_MISALIGN_STMTS.
2154         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
2155         Update documentation.
2156         (vect_update_misalignment_for_peel): New.
2157         (vect_enhance_data_refs_alignment): Update to choose loop
2158         peeling or loop versioning if appropriate for the (potentially)
2159         unaligned data references in the loop.
2160         (vect_analyze_data_refs_alignment): Remove call to
2161         vect_enhance_data_refs_alignment so the checks can be done
2162         earlier.
2163         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
2164         and move up call to vect_analyze_data_refs_alignment.
2165         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
2166         (vect_transform_loop): Add call to loop_version.
2167
2168 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
2169
2170         PR rtl-optimization/23098
2171         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
2172         * simplify-rtx.c (constant_pool_reference_p): New function.
2173         * rtl.h (constant_pool_reference_p): New prototype.
2174         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
2175         constant_pool_reference_p in condition and
2176         avoid_constant_pool_reference in preparation statements.
2177
2178 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
2179
2180         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
2181         STRICT_LOW_PART SETs.
2182
2183 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
2184
2185         PR middle-end/21460
2186         * except.c (sjlj_emit_function_enter): Find the function begin
2187         note even when it's not in first basic block.
2188
2189 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
2190
2191         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
2192         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
2193         * aclocal.m4: Regenerate.
2194
2195 2005-09-05  DJ Delorie  <dj@redhat.com>
2196
2197         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
2198         of macro.
2199
2200 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
2201
2202         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
2203         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
2204         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
2205         Follow spelling conventions.
2206         * doc/invoke.texi: Follow spelling conventions.
2207
2208 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
2209
2210         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
2211         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
2212         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
2213
2214 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
2215
2216         PR target/23683
2217         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
2218         (output_stack_adjust): Use gen_tmp_stack_mem.
2219         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
2220         (sh_set_return_address, sh_allocate_initial_value): Likewise.
2221         (sh_get_pr_initial_val): Likewise.
2222         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
2223         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
2224         * sh.md (divsi_inv_m0): Use gen_const_mem.
2225         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
2226         (movdf_i4+1): Use gen_tmp_stack_mem.
2227         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
2228         (fpu_switch+2): Likewise.
2229         (movv4sf_i, movv16sf_i): Use adjust_address.
2230         (symGOT_load): Set MEM_NOTRAP_P bit.
2231
2232 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2233
2234         PR target/23721
2235         * pa.c (emit_move_sequence): Fix typo in last change.
2236
2237 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
2238
2239         PR rtl-optimization/23454
2240         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
2241         is true.
2242
2243 2005-09-03  Richard Henderson  <rth@redhat.com>
2244             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2245
2246         PR middle-end/23671
2247         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
2248         gen_rtx_MEM.
2249
2250 2005-09-02  Nicolas Pitre <nico@cam.org>
2251
2252         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
2253         to bit_count to 32 bits.
2254
2255 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
2256
2257         PR c++/23167
2258         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
2259         generating synthetic loads from volatile lvalues.
2260
2261 005-09-02  Nick Clifton  <nickc@redhat.com>
2262
2263         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
2264         __ctzhi2, __clzhi2): New functions.
2265
2266 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
2267
2268         PR middle-end/23547
2269         * tree-nested.c (struct var_map_elt): Mark with GTY.
2270         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
2271         var_map_elt.
2272         (lookup_field_for_decl): Allocate new element in GC memory.
2273         (lookup_tramp_for_decl): Likewise.
2274         (convert_nl_goto_reference): Likewise
2275         (create_nesting_tree): Allocate info in GC memory. Likewise for
2276         info->var_map.
2277         (free_nesting_tree): Free with ggc_free instead of free.
2278         (root): New static variable.
2279         (lower_nested_functions): Remove root as local variable.  And zero out
2280         root at the end of the function.
2281
2282 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
2283
2284         PR rtl-optimization/20365
2285         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
2286         to short.  New member ix.
2287         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
2288         (simplify_plus_minus): Initialize ix members before calling qsort.
2289
2290 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
2291
2292         PR tree-optimization/23626
2293         * tree-cfg.c (replace_uses_by): Clean up eh info.
2294
2295 2005-09-01  DJ Delorie  <dj@redhat.com>
2296
2297         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
2298         fprintf.
2299
2300 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
2301
2302         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
2303         (rs6000_split_multireg_move): Use replace_equiv_address instead of
2304         gen_rtx_MEM.
2305
2306 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
2307
2308         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
2309         do not issue warning for a variable definition following
2310         a declaration.
2311
2312 2005-09-01  Richard Henderson  <rth@redhat.com>
2313
2314         PR 23668
2315         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
2316         conversion to CONST_VECTOR.
2317
2318 2005-09-01  Richard Henderson  <rth@redhat.com>
2319
2320         PR 23676
2321         * reload1.c (reload_as_needed): Check !CALL_P before calling
2322         fixup_eh_region_note.
2323         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
2324
2325 2005-09-01  DJ Delorie  <dj@redhat.com>
2326
2327         * varasm.c (output_constant): Let the target resolve
2328         conversions of addresses to non-default pointer sizes.
2329
2330 2005-09-01  Nicolas Pitre <nico@cam.org>
2331
2332         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
2333         to alow matching ARM pre-indexed addressing mode.
2334         (arm_override_options): Remove now irrelevant comment.
2335
2336 2005-09-01  Phil Edwards  <phil@codesourcery.com>
2337
2338         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
2339         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
2340         * config/i386/vxworks.h:  Likewise.
2341         * config/i386/t-vxworksae:  New file, for VxWorks AE.
2342         * config/i386/vxworksae.h:  Likewise.
2343
2344 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
2345
2346         PR tree-optimization/23410
2347         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
2348         sequence is not wrapping during the first step.
2349
2350 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
2351
2352         PR debug/7241
2353         * dwarf2out.c (base_type_die): Compare char_type_node with
2354         TYPE_MAIN_VARIANT (type), not type.
2355
2356 2005-09-01  Richard Guenther  <rguenther@suse.de>
2357
2358         PR tree-optimization/15366
2359         * common.opt: Add -finline-functions-called-once.
2360         Put -fearly-inlining in alphabetically ordered place.
2361         * doc/invoke.texi: Document new option.
2362         * ipa-inline.c (cgraph_decide_inlining): Honour
2363         flag_inline_functions_called_once.
2364
2365 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
2366
2367         PR rtl-optimization/23478
2368         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
2369         (alloc_qty): Initialize it.
2370         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
2371         (combine_regs): Combine also n_throwing_calls_crossed fields.
2372         (find_free_reg): Don't attempt to caller-save pseudos crossing
2373         calls that might throw.
2374         * global.c (struct allocno): Add throwing_calls_crossed field.
2375         (global_alloc): Revert 2005-08-22 change.  Initialize
2376         throwing_calls_crossed.
2377         (find_reg): Don't attempt to caller-save pseudos crossing calls that
2378         might throw.
2379
2380 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
2381
2382         PR target/23649
2383         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
2384         (mask64_operand): Reinstate code prior to 2005-06-11 change.
2385         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
2386         (and64_2_operand): Tweak to use predicate.
2387         (and_operand): Adjust for mask_operand changes.
2388         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
2389         (print_operand): Likewise.
2390         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
2391         (mask64_1or2_operand): Delete.
2392         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
2393         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
2394         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
2395         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
2396         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
2397         (rotldi3_internal4): Likewise.
2398         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
2399         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
2400         (ashldi3_internal7): Likewise.
2401         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
2402         (ashldi3_internal, ashldi3_internal9 split): Likewise.
2403         (anddi3 split): Don't match mask64_operand.
2404         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
2405         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
2406         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
2407         't' splitter predicate.
2408         (movdi_internal64 + 2): Revert 2005-06-11 change.
2409
2410 2005-08-31  DJ Delorie  <dj@redhat.com>
2411
2412         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
2413         (m32c_asm_integer): Add support for 32 bit pointers.
2414
2415 2005-08-31  Richard Henderson  <rth@redhat.com>
2416
2417         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
2418         component-like references for setting MEM_NOTRAP_P.
2419
2420         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
2421         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
2422
2423 2005-08-31  Richard Henderson  <rth@redhat.com>
2424
2425         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
2426         into a pseudo before applying gen_lowpart.
2427
2428 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
2429
2430         * doc/install.texi (Specific): Update cctools version required
2431         for full functionality.
2432         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
2433         linkers as -macosx_version_min.
2434
2435 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
2436
2437         PR target/21255
2438         * sh.c (print_operand, %R and %S): Add handling of floating point
2439         registers, memory, constants and invalid operands.
2440
2441 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
2442
2443         * ipa-pure-const.c: Change dump name.
2444
2445 2005-08-31 Uros Bizjak <uros@kss-loka.si>
2446
2447         PR target/23570
2448         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
2449         to "reg_or_0_operand".
2450         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
2451
2452 2005-08-31  Dale Johannesen  <dalej@apple.com>
2453
2454         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
2455         loops that count down.
2456
2457 2005-08-31  Richard Henderson  <rth@redhat.com>
2458
2459         PR rtl-opt/23601
2460         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
2461         (fixup_eh_region_note): New.
2462         (reload_as_needed): Call it.
2463         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
2464         don't call find_many_sub_basic_blocks; call verify_flow_info.
2465         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
2466         (keep_stack_depressed): Likewise.
2467         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
2468
2469 2005-08-31  Richard Henderson  <rth@redhat.com>
2470
2471         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
2472         fp return matching.
2473
2474 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
2475
2476         * expr.c (expand_expr_real_1): Compare size of address
2477         mode to target's address mode size in deciding expansion of
2478         the constant address.
2479
2480 2005-08-31  Richard Guenther  <rguenther@suse.de>
2481
2482         PR middle-end/23477
2483         * expr.c (all_zeros_p): New function.
2484         (expand_expr_real_1): Handle the case of an all-zero
2485         non-addressable constructor separately.
2486
2487 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
2488
2489         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
2490         arguments, adjust all callers.
2491         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
2492
2493 2005-08-30  Richard Henderson  <rth@redhat.com>
2494
2495         PR target/23630
2496         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
2497         whenever the mode sizes match.
2498
2499 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
2500
2501         * calls.c (load_register_parameters): Fix comment typo.
2502         * expr.c (emit_push_insn): Comment formatting.
2503
2504 2005-08-30  Ian Lance Taylor  <ian@airs.com>
2505
2506         * config/i386/x-cygwin (host-cygwin): Change dependency from
2507         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
2508
2509 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
2510
2511         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
2512         parts of 'vals'.
2513
2514 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
2515
2516         PR middle-end/23408
2517         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
2518         call to ggc_collect.
2519
2520 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
2521
2522         PR bootstrap/21268
2523         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
2524         beginning.  Remove $(INCLUDES) from all the rules, if following
2525         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
2526
2527 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
2528
2529         PR middle-end/23484
2530         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
2531         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
2532         not constant, but maxlen is, don't set len to maxlen, rather
2533         set maxlen to len if len is a constant.
2534
2535 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
2536
2537         PR tree-optimization/23475
2538         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
2539         and counts.
2540
2541 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
2542
2543         Fix PR middle-end/22455
2544
2545         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
2546         Checksum only the parts of the tree that exist for the tree code.
2547
2548 2005-08-28  Dale Johannesen  <dalej@apple.com>
2549
2550         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
2551
2552 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
2553
2554         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
2555
2556 2005-08-28  Richard Henderson  <rth@redhat.com>
2557
2558         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
2559         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
2560         of char_type_node.
2561
2562 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
2563
2564         PR ada/23593
2565         * builtins.c (get_memory_rtx): Don't strip nops
2566         in between COMPONENT_REFs.
2567
2568 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
2569
2570         PR middle-end/23463
2571         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
2572         types.
2573         (gimplify_modify_expr): Check for zero sized types and gimplify the
2574         rhs and lhs as statements.
2575
2576 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
2577
2578         PR libgcj/23508
2579         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
2580         state for return address column of signal frames.
2581
2582 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
2583
2584         PR target/23539
2585         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
2586         bytes >= 2 not bytes == 2.
2587         (expand_block_move): Same.
2588
2589 2005-08-27  Richard Guenther  <rguenther@suse.de>
2590
2591         PR target/23575
2592         * config/i386/sse.md (sse2_movsd): Add missing closing
2593         braces.
2594
2595 2005-08-27  Paul Brook  <paul@codesourcery.com>
2596
2597         * genrecog.c (enum decision_type): Add DT_num_insns.
2598         (struct decision_test): Add u.num_insns.
2599         (add_to_sequence): Add DT_num_insns test.
2600         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
2601         (write_cond, debug_decision_2): Ditto.
2602         (change_state): Assume peep2_next_insn never fails.
2603         Remove "afterward" argument.
2604         (write afterward, write_tree): Update to match.
2605         * recog.c (peep2_current_count): New variable.
2606         (peep2_next_insn): Check it.
2607         (peephole2_optimize): Set peep2_current_count.
2608         * recog.h (peep2_current_count): Declare.
2609
2610 2005-08-26  Josh Conner  <jconner@apple.com>
2611
2612         PR middle-end/23584
2613         * ipa-pure-const.c (check_tree): Check for volatile-ness
2614         when considering a dereference.
2615
2616 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
2617
2618         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
2619
2620 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
2621
2622         PR rtl-optimization/23561
2623         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
2624         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
2625         at most LEN bytes long memory fits into the field.
2626         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
2627         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
2628         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
2629
2630 2005-08-26  Richard Henderson  <rth@redhat.com>
2631
2632         PR rtl-opt/23560
2633         * loop.c (biased_biv_may_wrap_p): New.
2634         (maybe_eliminate_biv_1): Use it to suppress non-equality
2635         comparison transformations.  Delete disabled code.
2636
2637 2005-08-26  Ian Lance Taylor  <ian@airs.com>
2638
2639         * combine.c (make_extraction): Avoid reference outside object.
2640
2641 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
2642
2643         * stor-layout.c (finalize_type_size): Restore behaviour for
2644         non-aggregate types to the status quo ante of the patch for
2645         pr 23467.  Document why it matters.
2646
2647 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
2648
2649         PR c/23506
2650         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
2651         array by one element, initialize the BT_LAST element with NULL.
2652
2653 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
2654
2655         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
2656         optimizing for size.
2657         (plus_eqsi): Same.
2658         (compare_plus_eqsi): Same.
2659         (plus_eqsi_compare): Same.
2660         (neg_eq0<mode>): Same.
2661         (neg_eq<mode>): Same.
2662
2663         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
2664         PROCESSOR_POWER4.
2665
2666 2005-08-26  Nick Clifton  <nickc@redhat.com>
2667
2668         * config/v850/v850.c (ep_memory_operand): Return FALSE if
2669         TARGET_EP is not defined.
2670         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
2671         TARGET_EP is enabled.
2672         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
2673         * config/v850/v850.md (save_all_interrupt): Only use the EP
2674         register if TARGET_EP is defined.
2675         (restore_all_interrupt): Likewise.
2676         * config/v850/lib1funcs.asm: Update functions so that the EP
2677         register is only used if __EP__ is defined.
2678
2679 2005-08-26  David Ung  <davidu@mips.com>
2680
2681         * config/mips/mips.c (mips_expand_prologue): Handle case when
2682         generating for MIPS16 and the outgoing argument area is more than
2683         SMALL_OPERAND. Use the frame pointer as temporary to generate the
2684         add instruction.
2685
2686 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
2687
2688         * config/crx/crx.md: Make doloop_end pattern usage controllable
2689         via mloop-nesting=<max-nesting> command line switch. Make sure
2690         the combiner cannot use doloop_end_<mode> in an illegal way.
2691         * config/crx/crx.c: Use regs up to r6 for argument passing.
2692         Refine crx_address_cost (non cst4 displacements are expensive).
2693         * config/crx/crx.opt: Add switch for mloop-nesting=.
2694
2695 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
2696
2697         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
2698         (UNSPEC_MVST): New constant.
2699
2700 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
2701
2702         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
2703         Reject operands containing eliminable registers.
2704         * testsuite/gcc.dg/20050825-1.c: New testcase.
2705
2706 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
2707             Jan Hubicka  <jh@suse.cz>
2708
2709         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
2710
2711 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
2712
2713         PR tree-optimization/23546
2714         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
2715         and REAL_CST nodes.
2716
2717 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
2718
2719         * params.def (PARAM_MIN_SPEC_PROB): New.
2720         * sched-rgn.c (MIN_PROBABILITY): Delete.
2721         (compute_trg_info): Convert to PARAM_VALUE.
2722         * doc/invoke.texi (param): Document min-spec-prob.
2723
2724 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
2725
2726         * config/darwin.h: define __PIC__
2727         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
2728         TARGET_OS_CPP_BUILTINS macro.
2729
2730 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
2731
2732         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
2733         yesterday.
2734
2735 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
2736
2737         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
2738         to duplicate_block.
2739         * cfghooks.c (duplicate_block): Added position where to place
2740         new block as argument.
2741         * cfghooks.h (duplicate_block): Declaration changed.
2742         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
2743         duplicate_block.
2744         * cfglayout.h (copy_bbs): Declaration changed.
2745         * cfgloop.h (loop_version): Declaration changed.
2746         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
2747         position to copy_bbs.
2748         (loop_version): Pass position to duplicate_loop_to_header_edge.
2749         Add place_after argument and position new blocks according to
2750         it.
2751         * modulo-sched.c (sms_schedule): Pass place_after argument
2752         to loop_version.
2753         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
2754         * tree-cfg.c (split_edge_bb_loc): New function.
2755         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
2756         to determine position of new blocks.
2757         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
2758         to loop_version.
2759         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
2760         argument to duplicate_block.
2761         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
2762         Pass position to copy_bbs.
2763
2764 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
2765
2766         * fold-const.c (ptr_difference_const): Use
2767         cst_and_fits_in_hwi instead of host_integerp.
2768
2769 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
2770
2771         * config/darwin.c (gen_pic_offset): New.
2772         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
2773         Use it.
2774
2775 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
2776
2777         PR tree-optimization/23486
2778         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
2779
2780 2005-08-23  Phil Edwards  <phil@codesourcery.com>
2781
2782         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
2783         remove use_collect2.
2784         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
2785
2786         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
2787         configuration files to override the default value.
2788
2789         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
2790         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
2791         * config/vx-common.h:  New file, split out from...
2792         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
2793         * config/vxworksae.h:  New file, for VxWorks AE.
2794         * config/vxworks.opt:  New file.
2795         * config/vxlib.c:  Update for VxWorks 6.
2796
2797         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
2798         other MULTILIB_* variables appropriately.
2799         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
2800         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
2801         * config/rs6000/vxworks.h:  Update for VxWorks 6.
2802         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
2803
2804 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
2805
2806         PR target/20799
2807         * config/darwin.c (machopic_select_section): Remove the hack to
2808         mark "::operator new" and "::operator delete" for coalescing
2809         even though they are not weak.
2810
2811 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
2812
2813         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
2814         * configure: Regenerate.
2815
2816 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
2817
2818         PR middle-end/23517
2819         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
2820         between vectors.
2821         * convert.c (convert_to_integer, convert_to_vector): Likewise.
2822         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
2823         Likewise.
2824
2825 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
2826
2827         * config/rs6000/predicates.md (equality_operator): New.
2828         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
2829         comparison with a large constant.
2830
2831 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
2832
2833         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
2834
2835 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
2836
2837         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
2838         registers is even, and we have a hardware double precision fp,
2839         align the buffer.
2840         (sh_gimplify_va_arg_expr): For floating point arguments, consider
2841         size of current argument when checking if argument was passed in
2842         registers.
2843
2844         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
2845
2846         PR middle-end/23467
2847         * stor-layout.c (finalize_type_size): Dont override
2848         existing alignment with a smaller alignment from the mode.
2849
2850 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
2851
2852         * lambda-code.c (lambda_vector_lexico_pos): Moved...
2853         * lambda.h (lambda_vector_lexico_pos): ... here.
2854         * tree-data-ref.c (build_classic_dist_vector): Return false when
2855         the distance vector is lexicographically negative.
2856
2857 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
2858
2859         PR tree-optimization/23511
2860         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
2861         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
2862
2863 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
2864
2865         PR tree-optimization/22043
2866         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
2867         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
2868         If ALLOW_FLEXARR, handle types ending with flexible array member.
2869         Pass false as second argument to recursive count_type_elements calls.
2870         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
2871         argument to count_type_elements call.
2872         * tree-sra.c (decide_block_copy): Likewise.
2873         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
2874         for a constant-sized object, set cleared as well.  Pass true as
2875         second argument to count_type_elements call.
2876
2877 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
2878
2879         PR target/21571
2880         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
2881         from legitimate_small_data_p, and make global.  Update use.
2882         Remove forward declaration.
2883         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
2884         Declare.
2885         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
2886
2887 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
2888
2889         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
2890         of scratch intermediates.
2891         (eq<mode>_compare): Same.
2892         (neg_eq0<mode>): New.
2893         (neg_eq<mode>): Convert to define_insn_and_split.
2894
2895 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
2896
2897         PR target/23070
2898         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
2899         stdarg functions, set/clear the fp marker even when no variable
2900         args are passed.
2901         * config/rs6000/sysv4.opt (mprototype): Describe.
2902
2903 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
2904
2905         PR rtl-optimization/23478
2906         * regs.h (reg_info): Add throw_calls_crossed.
2907         (REG_N_THROWING_CALLS_CROSSED): Define.
2908         * flow.c (allocate_reg_life_data): Initialize
2909         REG_N_THROWING_CALLS_CROSSED.
2910         (propagate_one_insn, attempt_auto_inc): Update
2911         REG_N_THROWING_CALLS_CROSSED.
2912         * global.c (global_alloc): Don't allocate pseudos across
2913         calls that may throw.
2914
2915 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
2916
2917         PR c/18715
2918         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
2919         value is inbetween the range if we did not find an exact match.
2920
2921 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
2922
2923         * doc/invoke.texi (Option Summary): Add ms1 options.
2924         * doc/extend.texi: Document interrupt handler attribute for ms1.
2925         * doc/md.texi: Document ms1 constraints.
2926         * config.gcc: Add ms1-*-elf.
2927         * config/ms1/ms1.h: New.
2928         * config/ms1/ms1.c: New.
2929         * config/ms1/ms1.md: New.
2930         * config/ms1/ms1-protos.h: New.
2931         * config/ms1/ABI.txt: New.
2932         * config/ms1/crti.asm: New.
2933         * config/ms1/crtn.asm: New.
2934         * config/ms1/lib2extra-funcs.c: New.
2935         * config/ms1/t-ms1: New.
2936         * config/ms1/ms1.opt: New.
2937
2938 2005-08-22 Ira Rosen <irar@il.ibm.com>
2939
2940         * config/rs6000/altivec.md (xorv4sf3): New.
2941         (negv4sf2, neg<mode>2): Likewise.
2942
2943 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
2944
2945         PR target/23485
2946         * config/ia64/ia64.md (divsi3): Check divide by zero.
2947         (udivsi3): Likewise.
2948         (divdi3): Likewise.
2949         (udivdi3): Likewise.
2950
2951 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
2952
2953         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
2954         up to elem_bitsize bits, not max_bitsize.
2955
2956 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
2957
2958         PR tree-optimization/23433
2959         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
2960         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
2961
2962 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
2963
2964         PR tree-optimization/23434
2965         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
2966         the iteration bound is not an INTEGER_CST.
2967
2968 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
2969
2970         * tree-vect-transform.c (get_initial_def_for_reduction): Set
2971         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
2972         NULL if need_epilog_adjust is false.
2973         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
2974         Case 3 always peels first itration, not just for PLUS case, and no need
2975         to use scalar_initial_def here. Create an epilog adjustment only if
2976         scalar_initial_def is not NULL.
2977
2978         (vectorizable_reduction): Remove assert.
2979
2980 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
2981
2982         PR target/23485
2983         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
2984         (__moddi3): Likewise.
2985         (__udivdi3): Likewise.
2986         (__umoddi3): Likewise.
2987         (__divsi3): Likewise.
2988         (__modsi3): Likewise.
2989         (__udivsi3): Likewise.
2990         (__umodsi3): Likewise.
2991
2992 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
2993
2994         * tree-pass.h (TDF_GRAPH): Define.
2995         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
2996         * passes.c (finish_optimization_passes): Only call
2997         finish_graph_dump_file if TDF_GRAPH is set.
2998         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
2999         NULL.  Set TDF_GRAPH bit.
3000         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
3001
3002 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
3003
3004         * arm.h (arm_stack_offsets): Add locals_base field.
3005         * arm.c (arm_get_frame_offsets): Compute it.
3006         (thumb_compute_initial_elimination offset): Make the Thumb frame
3007         pointer point to the base of the local variables.
3008         (thumb_expand_prologue): Update accordingly.
3009         (thumb_expand_epilogue): Likewise.
3010
3011         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
3012         mode of clobbered scratch to DImode.  Handle a case that's known to
3013         need this.
3014
3015 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
3016
3017         * config/rs6000/rs6000.md (gt0<mode>): Delete.
3018         (gt0<mode>_compare): Delete.
3019         (neg_gt0<mode>): Delete.
3020
3021 2005-08-19  Eric Christopher  <echristo@apple.com>
3022
3023         * optabs.h: Change CTI_ to COI_.
3024         * optabs.c: Ditto.
3025
3026 2005-08-19  James E Wilson  <wilson@specifix.com>
3027
3028         * builtins.c (expand_builtin_return_addr): Set
3029         current_function_accesses_prior_frames when count != 0.  Use
3030         frame_pointer_rtx when count == 0.
3031         * function.h (struct function): Add accesses_prior_frames field.
3032         (current_function_accesses_prior_frames): Define.
3033         * reload1.c (init_elim_table): Check
3034         current_function_accesses_prior_frames.
3035         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
3036
3037 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
3038
3039         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
3040         indicator.  Return true if the flowgraph changed during
3041         cleanup.
3042
3043 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
3044
3045         PR 23476
3046         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
3047         conditional expression before testing its value.
3048
3049 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
3050
3051         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
3052
3053 2005-08-19  Devang Patel  <dpatel@apple.com>
3054
3055         PR tree-optimization/23048
3056         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
3057         third parameter. Check whether latch is dominated by exit
3058         block or not.
3059         (if_convertible_loop_p): Supply exit block itself to
3060         if_convertible_bb_p.
3061
3062 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
3063
3064         PR target/23473
3065         * arm.md (arm_load_pic_register): Change argument to the mask of
3066         saved registers.  Call thumb_find_work_register if we need a
3067         scratch register on Thumb.
3068         (arm_expand_prologue): Pass empty register set to
3069         arm_load_pic_register.
3070         (thumb_expand_prologue): Pass live_regs_mask directly to
3071         arm_load_pic_register.
3072         * arm-protos.h (arm_load_pic_register): Update prototype.
3073
3074 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
3075
3076         * sh.c (find_sole_member): New function.
3077         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
3078         if the record's alignment is larger than the size of its only member.
3079
3080 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
3081
3082         PR target/23436
3083         * arm.c (thumb_legitimize_reload_address): New function.
3084         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
3085         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
3086
3087 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
3088
3089         * config/crx/crx.c: Implement crx_decompose_address. Reject
3090         symbolic displacements since CRX register relative adressing
3091         mode can't handle unsigned 32-bit values as displacements.
3092         * config/crx/crx.h: Simplify definitions, remove redundant
3093         parenthesis and obsolete macros.
3094         * config/crx/crx.opt: Add new switch for debugging addresses.
3095         * config/crx/crx-protos.h: Add new declarations for above.
3096
3097 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
3098
3099         PR middle-end/20624
3100         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
3101         looking past it.
3102
3103 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3104
3105         * collect2.c (dup2): Delete.
3106         * configure.ac: Don't check for dup2.
3107
3108         * config.in, configure: Regenerate.
3109
3110 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
3111
3112         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
3113         record with the type of its only member.
3114
3115 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
3116
3117         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
3118         define_insn_and_split.
3119         (plus_ltu<mode>_compare): Same.
3120         (gtu<mode>_compare): Same.
3121         (plus_gtu<mode>_compare): Same.
3122
3123 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
3124
3125         PR tree-optimization/22228
3126         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
3127         todo_flags_start.
3128         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
3129         are recorded in vect_vnames_to_rename for renaming.
3130         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
3131         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
3132         in vect_vnames_to_rename.
3133         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
3134         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
3135
3136 2005-08-18  Jan Hubicka  <jh@suse.cz>
3137
3138         PR c++/22034
3139         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
3140         info only for local statics, not for member variables.
3141
3142 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3143
3144         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
3145
3146 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3147
3148         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
3149
3150 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
3151
3152         PR middle-end/16045
3153         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
3154
3155 2005-08-17  James E Wilson  <wilson@specifix.com>
3156
3157         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
3158         array size check.
3159
3160 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
3161
3162         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
3163         (leu<mode>_compare): Same.
3164         (plus_leu<mode>): Same.
3165         (neg_leu<mode>): Same.
3166         (and_neg_leu<mode): Same.
3167         (ltu<mode>_compare): Same.
3168         (plus_ltu<mode>): Same.
3169         (geu<mode>): Same.
3170         (geu<mode>_compare): Same.
3171         (plus_geu<mode>): Same.
3172         (neg_geu<mode>): Same.
3173         (and_neg_geu<mode>): Same.
3174         (plus_gt<mode>): Same.
3175         (gtu<mode>_compare): Same.
3176         (plus_gtu<mode>): Same.
3177
3178 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
3179
3180         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
3181         Move call_table_data to end.  Delete spurious .text.
3182         (callt_save_all_interrupt): Fix comment typo.
3183
3184 2005-08-17  James E Wilson  <wilson@specifix.com>
3185             Kevin Winchester  <winchester@amirix.com>
3186
3187         PR target/21684
3188         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
3189
3190 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
3191
3192         PR target/23268
3193         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
3194         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
3195
3196 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
3197
3198         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
3199         record with the type of its only member if the modes don't match.
3200
3201         * varasm.c (decode_reg_name): Skip empty additional register names.
3202
3203 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
3204
3205         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
3206         lsm_tmp_name_length): New.
3207         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
3208         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
3209
3210 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3211             Andreas Krebbel  <krebbel1@de.ibm.com>
3212
3213         * config.gcc: Added z9-109 switch.
3214         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
3215         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
3216         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
3217         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
3218         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
3219         for "z9_109" cpu attribute.
3220         * config/s390/s390.c (z9_109_cost): New processor cost structure.
3221         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
3222         (s390_handle_arch_option): Added z9-109 switch.
3223         (override_options): Set respective cost function for z9-109.
3224         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
3225         (legitimate_reload_constant_p): Accept extended immediates.
3226         (print_operand): Three new output modifiers added: k, m and o.
3227         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
3228         (s390_output_mi_thunk): Use extended immediate when possible.
3229         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
3230         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
3231         (CONSTRAINT_LEN): Added length of O constraint.
3232         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
3233         * config/s390/s390.md ("cpu"): New value z9_109 added.
3234         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
3235         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
3236         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
3237         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
3238         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
3239         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
3240         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
3241         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
3242         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
3243         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
3244         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
3245         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
3246         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
3247         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
3248         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
3249         immediates.
3250         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
3251         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
3252         insns for TARGET_EXTIMM.
3253
3254 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
3255
3256         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
3257
3258 2005-08-17  Nick Clifton  <nickc@redhat.com>
3259
3260         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
3261         Call default_encode_section_info.
3262
3263 2005-08-17  Steven Bosscher  <stevenb@suse.de>
3264
3265         PR tree-optimization/21574
3266         * tree-ssa-ccp.c (likely_value): If the right hand side is a
3267         constant, return CONSTANT.
3268         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
3269         (ccp_fold, visit_assignment): Likewise.
3270         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
3271
3272 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
3273
3274         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
3275         fold_buildN instead of buildN then fold_initializer or fold.
3276         (build_unary_op): Likewise.
3277         (build_binary_op): Likewise.
3278         * fold-const.c (fold_initializer): Remove.
3279         (fold_build1_initializer): New function.
3280         (fold_build2_initializer): New function.
3281         (fold_build3_initializer): New function.
3282         * tree.h (fold_initializer): Remove.
3283         (fold_build1_initializer): New function.
3284         (fold_build2_initializer): New function.
3285         (fold_build3_initializer): New function.
3286
3287 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
3288
3289         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
3290         (try_move_mult_to_index): Call fold_build2 instead of build2.
3291         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
3292         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
3293         fold_binary_to_constant.
3294         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
3295         fold (build.
3296         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
3297         check if A == gcd (A, B).  Remove TYPE argument.
3298         (analyze_offset) Use fold_build2 instead of fold (build.
3299         (create_data_ref): Likewise.
3300         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
3301         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
3302         then fold.
3303
3304 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
3305
3306         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
3307         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
3308
3309 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
3310
3311         PR tree-opt/23402
3312         * gimplify.c (zero_sized_type): New function.
3313         (gimplify_modify_expr_rhs): If we have a zero sized type,
3314         replace the statement with an empty statement.
3315
3316 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
3317
3318         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
3319         fxsave.
3320
3321 2005-08-16  Ian Lance Taylor  <ian@airs.com>
3322
3323         * doc/tm.texi (Label Output): Correct typo.
3324
3325 2005-08-16  Steven Bosscher  <stevenb@suse.de>
3326
3327         PR target/23376
3328         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
3329         force_operand will work later on using have_insn_for.
3330
3331 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3332
3333         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
3334
3335 2005-08-16  Ian Lance Taylor  <ian@airs.com>
3336
3337         PR c++/23337
3338         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
3339         vector type, don't try to construct it element by element.  Add an
3340         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
3341
3342 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3343
3344         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
3345
3346 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
3347
3348         * doc/invoke.texi (Precompiled Headers): Document some more options
3349         which are known to be safe.
3350
3351 2005-08-16  James E Wilson  <wilson@specifix.com>
3352
3353         PR tree-optimization/21105
3354         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
3355         TREE_OVERFLOW check.
3356
3357 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
3358
3359         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
3360         (neg_ltu<mode>): Same.
3361         (gtu<mode>): Same.
3362         (neg_gtu<mode>): Same.
3363
3364 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3365
3366         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
3367         (fold_builtin_isdigit): Use fold_buildN.
3368         (build_function_call_expr): Likewise.
3369         * c-typeck.c (c_finish_loop): Likewise.
3370
3371 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
3372             Richard Shann <rshann@superh.com>
3373
3374         PR middle-end/20396:
3375         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
3376
3377 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
3378
3379         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
3380
3381 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
3382
3383         PR target/23355
3384         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
3385         arm_compure_save_reg0_reg12_mask to determine when the PIC register
3386         must be saved.
3387
3388 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3389
3390         PR middle-end/23369
3391         * fold-const.c (build_range_check): Disable optimization for function
3392         pointer expressions on targets that require function pointer
3393         canonicalization.
3394
3395 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
3396
3397         * simplify-rtx.c (simplify_const_relational_operation): When
3398         extracting arguments of a COMPARE, recompute the mode as well.
3399
3400 2005-08-15  Ian Lance Taylor  <ian@airs.com>
3401
3402         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
3403
3404 2005-08-15  DJ Delorie  <dj@redhat.com>
3405
3406         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
3407         the stack.
3408         (movsi_splittable): Allow, but split, moves to the stack.
3409         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
3410         stack.
3411
3412 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3413
3414         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
3415         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
3416         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
3417
3418         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
3419         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
3420         Delete HOST_PTR_PRINTF.
3421
3422         * configure, config.in: Regenerate.
3423
3424 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
3425
3426         * config/rs6000/rs6000.md (QHSI): New mode macro.
3427         (wd): Extend mode attr for QImode and HImode
3428         (dbits): New mode attr.
3429         (zero_extend<mode>di2): Convert to mode macro.
3430
3431 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
3432
3433         PR target/21841
3434         * doc/invoke.texi (-mgnu-ld): Update description.
3435         (-mhp-ld): Ditto.
3436
3437 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
3438
3439         PR 23391
3440         * Makefile.in (tree-chrec.o): Depends on real.h.
3441         * tree-chrec.c: Include real.h.
3442         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
3443         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
3444         * tree-scalar-evolution.c (add_to_evolution_1,
3445         interpret_rhs_modify_expr): Ditto.
3446
3447 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
3448
3449         PR 23386
3450         * tree-data-ref.c (estimate_niter_from_size_of_data): When
3451         step is negative compute the estimation from init downwards to zero.
3452
3453 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
3454
3455         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
3456
3457 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
3458
3459         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
3460         constraint.
3461         (legitimate_reload_constant_p): Fix handling of lliXX operands.
3462         Accept double-word constants that can be split.
3463         * config/s390/s390.md ("movti"): Use 'P' constraint.
3464         ("*movdi_31", "*movdf_31"): Likewise.
3465
3466 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
3467
3468         Fix PR tree-optimization/22615
3469
3470         * tree-ssa-structalias.c (solution_set_add): Handle
3471         first_vi_for_offset returning NULL.
3472         (do_da_constraint): Ditto.
3473         (do_sd_constraint): Ditto.
3474         (do_ds_constraint): Ditto
3475         (find_func_aliases): Ditto.
3476         (build_constraint_graph): RHS is allowed be ANYTHING.
3477         (first_vi_for_offset): Return NULL if we couldn't find anything at
3478         the offset.
3479
3480 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
3481
3482         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
3483         over memory as first operand.
3484
3485 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
3486
3487         PR target/23360
3488         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
3489         available for setting it.
3490
3491 2005-08-14  Ira Rosen  <irar@il.ibm.com>
3492
3493         PR tree-optimization/23320
3494         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
3495         data-refs' types instead of base object nullness. Add check for
3496         pointer type data-refs before first location comparison. Remove
3497         assert.
3498
3499 2005-08-14  Andreas Schwab  <schwab@suse.de>
3500
3501         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
3502
3503 2005-08-13  James E Wilson  <wilson@specifix.com>
3504
3505         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
3506         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
3507         -fstack-protector-all, --param ssp-buffer-size): Document.
3508         (-Wvariadic-macros): Alphabetize.
3509         (-fsched-stalled-insns-dep): Add missing 'f'.
3510
3511         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
3512         macros.
3513
3514 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
3515
3516         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
3517         or indirect address operand.
3518         (EXTRA_ADDRESS_CONSTRAINT): New.
3519         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
3520
3521 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
3522
3523         PR tree-optimization/22236
3524         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
3525         successors and predecessors.
3526         * tree-chrec.c (chrec_convert): Before converting, check that
3527         sequences don't wrap.
3528         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
3529         (analyze_array): Extern.
3530         (find_data_references_in_loop): Remove call to
3531         compute_estimated_nb_iterations.
3532         * tree-data-ref.h (analyze_array): Declared.
3533         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
3534         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
3535         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
3536         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
3537         condition.
3538         * tree-ssa-loop-ivcanon.c: Fix documentation.
3539         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
3540         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
3541         (infer_loop_bounds_from_undefined): New.
3542         (estimate_numbers_of_iterations_loop): Use
3543         infer_loop_bounds_from_undefined.
3544         (used_in_pointer_arithmetic_p): New.
3545         (scev_probably_wraps_p): Pass an extra parameter.  Call
3546         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
3547         (convert_step): Fix documentation.
3548         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
3549         Use initial_condition_in_loop_num and evolution_part_in_loop_num
3550         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
3551         scev_probably_wraps_p.
3552
3553 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
3554
3555         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
3556         (s390_register_info): Ignore clobbered_regs information for fixed
3557         registers, and only fixed registers.
3558         (s390_init_frame_layout): Remove redundant call.
3559
3560 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
3561
3562         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
3563         description of -Wold-style-casts.
3564
3565 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
3566             Jakub Jelinek  <jakub@redhat.com>
3567
3568         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
3569         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
3570         * config/s390/s390.c (print_operand): New output modifier 'G' added.
3571         (get_thread_pointer): Renamed to s390_get_thread_pointer.
3572         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
3573         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
3574         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
3575         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
3576         ("stack_protect_set", "stack_protect_test"): New expanders.
3577         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
3578         "stack_protect_testdi"): New insn definitions.
3579
3580 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
3581
3582         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
3583
3584 2005-08-12  Paul Brook  <paul@codesourcery.com>
3585
3586         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
3587
3588 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
3589
3590         * config/s390/predicates.md (setmem_operand): New predicate.
3591         (shift_count_operand): Accept ANDs with special constants as
3592         operand.
3593         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
3594         with special constants.
3595         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
3596         shift_count_operand with setmem_operand.
3597
3598 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
3599
3600         * config/s390/s390.c (s390_extract_part, s390_single_part):
3601         Type cast added.
3602         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
3603         (s390_output_mi_thunk): Don't use lg on 31 bit.
3604         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
3605         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
3606
3607 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
3608
3609         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
3610         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
3611         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
3612         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
3613         with one of the new macros.
3614
3615 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
3616
3617         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
3618         Don't set save_return_addr_p.
3619         (s390_register_info): Make clobbered_regs not depending on
3620         save_return_addr_p.
3621
3622 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
3623
3624         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
3625         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
3626
3627 2005-08-11  James E. Wilson  <wilson@specifix.com>
3628
3629         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
3630
3631 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
3632
3633         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
3634         locations gathered by var-tracking in single entry loc_list
3635         over loc_descriptor_from_tree.
3636
3637         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
3638         pass it down to loc_descriptor.
3639         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
3640         (containing_function_has_frame_base): Move earlier in the file.
3641         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
3642         instead of always assuming fbreg can't be used.
3643
3644 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
3645
3646         * config/rs6000/altivec.md: Change constraint "m" to "Z".
3647         * config/rs6000/predicates.md (indexed_or_indirect_operand):
3648         Accept address wrapped in AND for Altivec.
3649         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
3650         Strip AND wrapping offset address for Altivec.
3651
3652 2005-08-11  Richard Henderson  <rth@redhat.com>
3653
3654         PR middle-end/23312
3655         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
3656         before using TYPE_IS_SIZETYPE.
3657
3658 2005-08-11  Richard Henderson  <rth@redhat.com>
3659
3660         PR target/22225
3661         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
3662         insn types not present on ev4.
3663         (alphaev5_insn_pipe): Similarly.
3664
3665 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
3666
3667         PR target/23250
3668         * arm.c (arm_override_options): If the user has selected callee-super-
3669         interworking, then enable normal interworking.
3670
3671 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
3672
3673         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
3674         redefinition.
3675
3676 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
3677
3678         * doc/rtl.texi: Fix two typos.
3679
3680 2005-08-11  Richard Guenther  <rguenther@suse.de>
3681
3682         PR target/23289
3683         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
3684         cases where we call to/from functions returning void.
3685
3686 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
3687
3688         PR c++/23225
3689         * tree.c (build_pointer_type_for_mode): Robustify.
3690
3691 2005-08-10  James E Wilson  <wilson@specifix.com>
3692
3693         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
3694         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
3695
3696         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
3697         "cum->".
3698
3699 2005-08-10  Eric Christopher  <echristo@apple.com>
3700
3701         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
3702         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
3703         V2DFmode.
3704
3705 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
3706
3707         PR target/21887
3708         * config/darwin.c (machopic_indirect_data_reference): Use a new register
3709         for the high part when generating dynamic-no-pic code.
3710
3711 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
3712
3713         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
3714         (x86_64-*-linux*): Likewise.
3715
3716         * config/i386/crtfastmath.c: New file.
3717         * config/i386/t-crtfm: Likewise.
3718
3719         * config/i386/linux.h (ENDFILE_SPEC): New.
3720         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
3721
3722         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
3723         crtfastmath.o.
3724
3725 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
3726
3727         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
3728         (vec_shl, vec_shr): Document new operations.
3729         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
3730
3731 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
3732
3733         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
3734         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
3735         change predicate to indexed_or_indirect_address.
3736
3737 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
3738
3739         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
3740         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
3741         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
3742         and __aeabi_uwrite8.
3743         * config/arm/unaligned-funcs.c: New file.
3744         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
3745
3746 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
3747
3748         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
3749         Add dump.
3750         * cfglayout.c (pass_insn_locators_initialize): Add dump.
3751         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
3752         Add dump.
3753         * except.c (pass_convert_to_eh_region_ranges): Add dump.
3754         * final.c (pass_shorten_branches): Add dump.
3755         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
3756         (pass_life): Rename dump.
3757         (rest_of_handle_flow2): Remove initial verify_flow_info.
3758         * function.c (pass_instantiate_virtual_regs): Add dump.
3759         * integrate.c (pass_initial_value_sets): Add dump.
3760         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
3761         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
3762         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
3763         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
3764         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
3765         gate_rtl_unrool_and_peel_loops): New.
3766         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
3767         rtl_doloop): Do not look at flags.
3768         * mode-switching.c (pass_mode_switching): Add dump.
3769         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
3770         pass_split_before_regstack): Add dump.
3771         * regmove.c (pass_stack_adjustments): Add dump.
3772         * tree-optimize.c (pass_fixup_cfg): Add dump.
3773
3774 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3775
3776         PR 23309
3777         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
3778         deciding which instruction sequence to use.
3779
3780 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
3781
3782         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
3783         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
3784
3785 2005-08-09  Richard Guenther  <rguenther@suse.de>
3786
3787         * c-common.c (builtin_function_2): Remove.
3788         (def_builtin_1): New function.
3789         (c_common_nodes_and_builtins): Use def_builtin_1 to
3790         build builtin functions.
3791
3792 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
3793
3794         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
3795         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
3796         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
3797         Visual DSP.
3798
3799 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
3800
3801         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
3802         fold_binary instead of fold_build2 since we don't care about the
3803         resulting tree.
3804         (loop_niter_by_eval): Likewise.
3805         (compare_trees): Likewise.
3806         (proved_non_wrapping_p): Likewise.
3807
3808 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
3809
3810         PR c/23161
3811         PR c/23165
3812         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
3813         if the if is really empty.
3814
3815 2005-08-09  Steven Bosscher  <stevenb@suse.de>
3816
3817         PR tree-optimization/23234
3818         * tree-ssa-math-opts.c (place_reciprocal): New enum.
3819         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
3820         argument of the new enum.
3821         (execute_cse_reciprocals): Add reciprocals for function arguments
3822         on the unique successor edge of the entry block.  Update other calls
3823         to execute_cse_reciprocals_1.
3824
3825 2005-08-08  Richard Henderson  <rth@redhat.com>
3826
3827         PR 22439
3828         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
3829
3830 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
3831
3832         * expr.c (write_complex_part): Return after handling MEM.
3833
3834 2005-08-08  Josh Conner  <jconner@apple.com>
3835
3836         PR rtl-optimization/23241
3837         * combine.c (simplify_comparison): Fix error in determining
3838         whether to lift a subreg from comparison.
3839
3840 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
3841
3842         PR target/18506
3843         * config/rs6000/altivec.md (vec_init<mode>): New.
3844         (vec_set<mode>): New.
3845         (vec_extract<mode>): New.
3846         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
3847         (rs6000_expand_vector_set): New.
3848         (rs6000_expand_vector_extract): New.
3849         (rs6000_legitimate_offset_address_p): Offset addresses are valid
3850         for Altivec modes before reload.
3851         (altivec_expand_vec_init_builtin): New.
3852         (get_element_number): New.
3853         (altivec_expand_vec_set_builtin): New.
3854         (altivec_expand_vec_ext_builtin): New.
3855         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
3856         builtins.
3857         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
3858         builtins.
3859         * config/rs6000/rs6000.h (rs6000_builtins): Add
3860         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
3861         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
3862         * config/rs6000/rs6000-protos.h: Declare new functions.
3863
3864 2005-08-08  Jan Hubicka  <jh@suse.cz>
3865
3866         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
3867         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
3868         * i386.md (movdi*): Use pic_32bit_operand.
3869         * predicates.md (pic_32bit_operand): New.
3870
3871 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
3872
3873         PR c++/21166
3874         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
3875
3876 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
3877
3878         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
3879         (test_for_singularity): Use fold_build2.
3880
3881 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3882
3883         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
3884
3885 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
3886
3887         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
3888         (COMMON_ASM_OP) Define.
3889         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
3890         (ix86_encode_section_info): Likewise.
3891         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
3892         SUBTARGET_ENCODE_SECTION_INFO.
3893
3894 2005-08-06  Richard Henderson  <rth@redhat.com>
3895
3896         PR 21894
3897         * tree-nested.c (convert_local_reference): Save and restore val_only
3898         around component_ref and friends.  Clear walk_subtrees by default.
3899
3900 2005-08-06  Peter O'Gorman  <peter@pogma.com>
3901
3902         PR 21366
3903         * gcc.c (process_command): Check the argument to -b has a dash.
3904         * doc/invoke.texi: Update -b and -V docs.
3905
3906 2005-08-06  James E Wilson  <wilson@specifix.com>
3907
3908         * config/mips/cross64.h, config/mips/t-cross64: Delete.
3909
3910 2005-08-06  Michael Matz  <matz@suse.de>
3911
3912         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
3913         member only if only one insn is associated with the value.
3914
3915 2005-08-06  Nick Clifton  <nickc@redhat.com>
3916
3917         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
3918         New define.
3919         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
3920         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
3921         Check symbol flags instead of symbol name mangling.
3922         (xstormy16_asm_output_aligned_common): Likewise.  Also
3923         simplify code since the bss100_section cass is the only case
3924         where the below100 code will be triggered.
3925         (xstormy16_encode_section_info): Encode below100 attribute
3926         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
3927         the name.
3928         (xstormy16_strip_name_encoding): Delete - this function is no
3929         longer needed.
3930         (TARGET_STRIP_NAME_ENCODING): Undefine.
3931         * config/stormy16/stormy16-protos.h: Delete prototype for
3932         xstormy16_strip_name_encoding.
3933
3934 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
3935
3936         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
3937         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
3938         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
3939         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
3940         config/alpha/predicates.md, config/arc/arc.h,
3941         config/arm/arm.h, config/arm/ieee754-df.S,
3942         config/arm/ieee754-sf.S, config/bfin/bfin.c,
3943         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
3944         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
3945         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
3946         config/m68hc11/m68hc11.h, config/mips/mips.c,
3947         config/mips/mips.h, config/mips/openbsd.h,
3948         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
3949         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
3950         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
3951         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
3952         config/sparc/linux.h, config/sparc/linux64.h,
3953         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
3954         doc/extend.texi, doc/gcov.texi, doc/install.texi,
3955         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
3956         typos.  Follow spelling conventions.
3957
3958 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
3959
3960         PR c/23113
3961         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
3962         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
3963         specially.  Check for side effects only for COND_EXPR.
3964         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
3965         return with TREE_NO_WARNING.
3966
3967 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
3968
3969         PR rtl-optimization/23233
3970         * loop.c (combine_movables): Require the modes to be the same.
3971         (move_movables): Remove handling of cases where the replacement
3972         had a different mode to the original.
3973
3974 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
3975
3976         PR tree-optimization/23128
3977         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
3978         subtraction wrap, and set TREE_OVERFLOW if they do.
3979
3980 2005-08-05  Richard Henderson  <rth@redhat.com>
3981
3982         PR 21728
3983         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
3984         FORCED_LABEL labels.
3985
3986 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
3987
3988         PR middle-end/23135
3989         * reload.c (find_reloads_subreg_address): Pass down TYPE
3990         unchanged.  Change all callers except find_reloads_toplev.
3991
3992 2005-08-05  Michael Matz  <matz@suse.de>
3993
3994         * genattrtab.c (current_alternative_string): Remove.
3995         (SIMPLIFY_ALTERNATIVE): Ditto.
3996         (attr_alt_bit_p): Ditto.
3997         (alternative_name): Make const char *.
3998         (evaluate_eq_attr): Remove use of above things.
3999         (simplify_test_exp): Ditto.
4000         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
4001         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
4002
4003 2005-08-04  James E Wilson  <wilson@specifix.com>
4004
4005         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
4006         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
4007         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
4008         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
4009         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
4010
4011 2005-08-04  Richard Henderson  <rth@redhat.com>
4012
4013         PR 21529
4014         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
4015         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
4016         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
4017         if we'd have to instantiate too many members.
4018
4019 2005-08-04  Richard Henderson  <rth@redhat.com>
4020
4021         PR 21291
4022         * tree-outof-ssa.c (coalesce_asm_operands): New.
4023         (coalesce_ssa_name): Use it.  Split out ...
4024         (coalesce_phi_operands, coalesce_result_decls): ... these.
4025
4026 2005-08-04  Paul Brook  <paul@codesourcery.com>
4027
4028         * read-rtl.c (read_quoted_string): Break if EOF.
4029
4030 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
4031
4032         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
4033         (fold_build2): Likewise.
4034         (fold_build3): Likewise.
4035         (fold_build1_stat): New function prototype.
4036         (fold_build2_stat): Likewise.
4037         (fold_build3_stat): Likewise.
4038         * fold-const.c (fold_build1): Rename to ..
4039         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
4040         through to build1_stat.
4041         (fold_build2): Rename to ..
4042         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
4043         through to build2_stat.
4044         (fold_build3): Rename to ..
4045         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
4046         through to build3_stat.
4047
4048 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
4049             Ian Lance Taylor  <ian@airs.com>
4050
4051         * function.c (assign_stack_local_1): Do not correct stack slot
4052         address if allocation size is smaller than mode size.
4053
4054 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
4055
4056         PR 22037
4057         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
4058         (tree_merge_blocks): Propagate anything allowed by
4059         may_propagate_copy.
4060         Clarify documentation.
4061         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
4062         SSA form, schedule an update if necessary.
4063
4064 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
4065
4066         * doc/install.texi (Binaries): Remove broken link to
4067         Sinix/Reliant Unix binaries.
4068
4069 2005-08-03  Richard Henderson  <rth@redhat.com>
4070
4071         PR 23221
4072         * function.c (stack_protect_epilogue): Export.
4073         * tree.h (stack_protect_epilogue): Declare.
4074         * calls.c (expand_call): Call it.
4075
4076 2005-08-03  Eric Christopher  <echristo@apple.com>
4077
4078         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
4079         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
4080         spec.
4081
4082 2005-08-04  Jan Hubicka  <jh@suse.cz>
4083
4084         * profile.c (branch_prob): Split edges with goto locus on them
4085         to get proper line counts.
4086         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
4087
4088 2005-08-03  Paul Brook  <paul@codesourcery.com>
4089
4090         * function.c (assign_parms): Round current_function_args_size
4091         to PARM_BOUNDARY, not STACK_BOUNDARY.
4092
4093 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
4094
4095         * config/i386/i386.c (x86_elf_aligned_common)
4096         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
4097
4098 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
4099
4100         PR tree-optimization/23157
4101         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
4102         before emitting them.
4103
4104 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4105
4106         PR tree-optimization/19899
4107         * Makefile.in (tree-scalar-evolution.o): Add real.h.
4108         * tree-scalar-evolution.c: Include real.h.
4109         (add_to_evolution): Build constant -1 of correct type.
4110
4111 2005-08-03  Jan Hubicka  <jh@suse.cz>
4112
4113         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
4114         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
4115         profile updating for complette unrolling.
4116         * loop-unroll.c (peel_loop_completely): Use it.
4117         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
4118         (tree_unroll_loops_completely): Disable code growing unrolling of cold
4119         loops.
4120
4121 2005-08-03  Paul Brook  <paul@codesourcery.com>
4122
4123         * combine.c (can_change_dest_mode): New function.
4124         (try_combine, simplify_set): Use it.
4125
4126 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
4127
4128         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
4129         TFmode to BLKmode.
4130
4131 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
4132
4133         * doc/install.texi (Specific): Adjust link to openavr.org.
4134         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
4135         (Binaries): Adjust HP-UX Porting Center link.
4136         (Binaries): Adjust Free Software Foundation ordering link.
4137
4138 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
4139
4140         * convert.c (convert_to_integer): Use fold_build1 instead of
4141         build1 when converting an integer to an integer.
4142
4143 2005-08-02  Richard Henderson  <rth@redhat.com>
4144
4145         * combine.c (combine_instructions): Don't use reg_equal/equiv
4146         results if the mode doesn't match.
4147
4148 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
4149
4150         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
4151         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
4152
4153 2005-08-02  Richard Henderson  <rth@redhat.com>
4154
4155         PR 23196
4156         * explow.c (memory_address): Remove special-case for
4157         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
4158
4159 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
4160
4161         PR 23164
4162         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
4163         number of calls to cleanup_tree_cfg_1.
4164
4165 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
4166
4167         * doc/invoke.texi: document file extensions .F90 and .F95
4168
4169 2005-08-02  Richard Guenther  <rguenther@suse.de>
4170
4171         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
4172         positive if its first argument is positive.
4173
4174 2005-08-02  Richard Guenther  <rguenther@suse.de>
4175
4176         PR tree-optimization/23177
4177         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
4178         on TMR_TAG.
4179
4180 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
4181
4182         PR tree-optimization/23129
4183         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
4184         varying for divisions with anti-ranges.
4185
4186 2005-08-02  Jan Hubicka  <jh@suse.cz>
4187
4188         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
4189         * tree-ssa-threadupdate.c (thread_block): Add it here.
4190
4191 2005-08-01  James E Wilson  <wilson@specifix.com>
4192
4193         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
4194         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
4195         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
4196         New.
4197         * config/mips/predicates.md (const_call_insn_operand): Add check for
4198         SYMBOL_REF_LONG_CALL_P.
4199         * doc/extend.texi (long_call): Document the new attribute.
4200
4201 2005-08-01  Ian Lance Taylor  <ian@airs.com>
4202             Richard Henderson  <rth@redhat.com>
4203
4204         * Makefile.in (RTL_BASE_H): Add real.h.
4205         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
4206         instead of memcpy.
4207         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
4208         directly.
4209         * rtl.c (rtl_check_failed_code_mode): New.
4210         * rtl.h (struct rtx_def): Add u.rv.
4211         (XCMWINT, XCNMPRV): New.
4212         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
4213         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
4214
4215 2005-08-01  Richard Henderson  <rth@redhat.com>
4216
4217         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
4218         with auto-inc codes.
4219
4220         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
4221
4222 2005-08-01  Jan Hubicka  <jh@suse.cz>
4223
4224         * i386-protos.h (asm_preferred_eh_data_format): Declare.
4225         * i386.c: Include dwarf2.h
4226         (asm_preferred_eh_data_format): New.
4227         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
4228
4229 2005-08-01  Ian Lance Taylor  <ian@airs.com>
4230
4231         * config/host-linux.c (linux_gt_pch_get_address): Add new name
4232         randomize_va_space for virtual address randomization control.
4233
4234 2005-08-01  Steven Bosscher  <stevenb@suse.de>
4235
4236         * common.opt (flag_ipa_cp): Put in right place to maintain
4237         alphabetic sort.
4238
4239 2005-08-01  Jan Hubicka  <jh@suse.cz>
4240
4241         * profile.c (compute_value_histograms): Fix thinko.
4242         * value-prof.c: Include toplev.h
4243         (check_counter): New function.
4244         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
4245         tree_mod_subtract_transform): Add sanity check.
4246
4247 2005-08-01  Richard Guenther  <rguenther@suse.de>
4248
4249         PR tree-optimization/23133
4250         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
4251         current functions parameter decls to find defs to cse
4252         reciprocals of.
4253
4254 2005-08-01  Richard Guenther  <rguenther@suse.de>
4255
4256         PR tree-optimization/23109
4257         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
4258         If trapping math is in effect, use post-dominator information
4259         to check if we'd in any case reach a trapping point before
4260         doing the reciprocal insertion.
4261         (execute_cse_reciprocals): Compute post-dominators, if necessary.
4262         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
4263         expressions are invariant only if trapping math is not in effect.
4264
4265 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
4266
4267         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
4268         cgraph_function_versioning): New declarations.
4269         * cgraphunit.c: Add include to ipa-prop.h.
4270         (update_call_expr, cgraph_copy_node_for_versioning,
4271         cgraph_function_versioning): New functions.
4272         * integrate.c (copy_decl_for_inlining): Remove.
4273         * ipa-prop.h (ipa_replace_map): New struct.
4274         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
4275         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
4276         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
4277         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
4278         ipcp_iterate_stage, ipcp_method_scale_print,
4279         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
4280         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
4281         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
4282         ipcp_update_bb_counts, ipcp_update_profiling,
4283         ipcp_update_edges_counts): New functions.
4284         (ipcp_method_cval_init): Remove restriction regarding local methods.
4285         (ipcp_init_stage): Add ipcp_method_compute_scale.
4286         (ipcp_insert_stage): Add versioning.
4287         (ipcp_structures_print): Add ipcp_method_scale_print.
4288         (ipcp_driver): Dump profiling info.
4289         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
4290         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
4291         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
4292         (struct inline_data): Add versioning_p, ipa_info, new fields.
4293         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
4294         declare_return_variable): Replace calls to copy_decl_for_inlining with
4295         copy_decl_for_dup.
4296         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
4297         versioning support.
4298         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
4299         Add argument VERSIONING.
4300         (copy_arguments_for_versioning, copy_static_chain,
4301         function_versionable_p, tree_versionable_function_p,
4302         tree_function_versioning, replace_ref_tree): New functions.
4303         * tree-inline.h: Include varray.h.
4304         (tree_versionable_function_p,  tree_function_versioning,
4305         tree copy_decl_for_dup): New declarations.
4306
4307 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
4308
4309         * ipa-cp.c: New file. Contains IPCP specific functionality.
4310         * ipa-prop.h: New file. Contains structures/definitions that can be
4311         used by several interprocedural data flow optimizations (and also IPCP).
4312         * ipa-prop.c: New file.
4313         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
4314         * common.opt: Add ipa-cp flag.
4315         * timevar.def: Add IPCP optimization.
4316         * tree-optimize.c (init_tree_optimization_passes): Schedule
4317         pass_ipa_cp.
4318         * tree-pass.h (pass_ipa_cp): Declare.
4319
4320 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
4321
4322         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
4323         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
4324         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
4325         config/i386/i386.c, config/mips/mips.h,
4326         config/rs6000/rs6000.h, config/sh/sh.c,
4327         config/stormy16/stormy16.c: Fix comment typos.
4328
4329 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
4330
4331         PR c/22311
4332         * c-typeck.c (build_binary_op): Use common_type wrapper on
4333         shortened types.
4334         (common_type): Update comment.
4335
4336 2005-07-31  Steven Bosscher  <stevenb@suse.de>
4337
4338         PR target/23095
4339         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
4340         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
4341         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
4342
4343 2005-07-31  Jan Hubicka  <jh@suse.cz>
4344
4345         * pretty-print.h (pp_widest_integer): New macro.
4346         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
4347         counts.
4348
4349 2005-07-31  Jan Hubicka  <jh@suse.cz>
4350
4351         * output.h (enum section_category): Export from varasm.c
4352         (categorize_decl_for_section): Likewise.
4353         * varasm.c (enum section_category): Kill.
4354         (categorize_decl_for_section): Make global.
4355         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
4356         Declare.
4357         * i386.c (ix86_section_threshold): New static variable.
4358         (ix86_in_large_data_p, ix86_encode_section_info,
4359         x86_64_elf_unique_section,
4360         x86_64_elf_select_section): New functions.
4361         (TARGET_ENCODE_SECTION_INFO): Define
4362         (override_options): Enable medium model for PIC.
4363         (ix86_expand_prologue): Expand gen_set_got_rex64.
4364         (legitimate_constant_p): Handle new UNSPECs.
4365         (legitimate_pic_address_disp_p): Likewise.
4366         (legitimize_pic_address): Lower MEDIUM model addressing.
4367         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
4368         (enum cmodel): Add MEDIUM_PIC.
4369         (SYMBOL_REF_FAR_ADDR_P): New macro.
4370         (SYMBOL_FLAG_FAR_ADDR): New flag.
4371         * i386.md (movdi): Support medium model.
4372         (set_got_rex64): New pattern.
4373         * i386.opt (mlarge-data-threshold): New flag.
4374         * predicates.md (zext_operand/sext_operand): Deal with medium model.
4375         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
4376         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
4377         TARGET_ASM_UNIQUE_SECTION): New.
4378
4379         * invoke.texi (-mlarge_data_threshold): Document
4380
4381 2005-07-31  Jan Hubicka  <jh@suse.cz>
4382
4383         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
4384         (coalesce_vars): Likewise.
4385         * tree-ssa-live.c (coalesce_cost): New.
4386         (build_tree_conflict_graph): Use coalesce_cost.
4387         * tree-ssa-live.h (coalesce_cost): Declare.
4388
4389 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
4390
4391         * arm.md (all peepholes for post-increment operations): Delete.
4392         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
4393         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
4394         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
4395         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
4396         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
4397
4398 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
4399
4400         * fold-const.c (tree_expr_nonnegative_p): Always return true for
4401         non-integral types.
4402
4403 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
4404
4405         PR target/22582
4406         * doc/invoke.texi: Document -rdynamic.
4407
4408 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
4409
4410         PR c/23143
4411         * c-parser.c (c_parser_parms_list_declarator): Call
4412         mark_forward_parm_decls.
4413         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
4414         decls with visibility structure.
4415
4416 2005-07-30  Paul Brook  <paul@codesourcery.com>
4417
4418         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
4419
4420 2005-07-30  Paul Brook  <paul@codesourcery.com>
4421
4422         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
4423         prototype.
4424         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
4425         value for mode.
4426         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
4427
4428 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
4429
4430         PR c/529
4431         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
4432         nested function declarators.
4433         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
4434         (grokparms): Call warn_if_shadowing for parameters used within the
4435         parameter list.
4436         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
4437         not used within the parameter list.
4438         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
4439
4440 2005-07-30  Jan Hubicka  <jh@suse.cz>
4441
4442         * expr.c (expand_expr_real_1): Do not load mem targets into register.
4443         * i386.c (ix86_fixup_binary_operands): Likewise.
4444         (ix86_expand_unary_operator): Likewise.
4445         (ix86_expand_fp_absneg_operator): Likewise.
4446         * optabs.c (expand_vec_cond_expr): Validate dest.
4447
4448 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
4449
4450         PR c/21720
4451         * real.c (real_from_string): Also set last bit if there is a
4452         nonzero hex digit beyond GCC's internal precision after ".".
4453
4454 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
4455
4456         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
4457         define_constants.  Change duplicate values to unassigned numbers.
4458         Change UNSPEC_SUBS to UNSPEC_VSUBS.
4459         (*altivec_vspltsf): New.
4460         (altivec_vperm_v4sf): Delete.
4461         (altivec_vperm_<mode>): Use mode macro V.
4462         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
4463         (altivec_predicate_v4sf): Delete.
4464         (altivec_predicate_<mode>): Use mode macro V.
4465         (*altivec_lvesfx): New.
4466         (*altivec_stvesfx): New.
4467         (vec_realign_load_v4sf): Delete.
4468         (vec_realign_load_<mode>): Use mode macro V.
4469         * config/rs6000/rs6000.c (generate_set_vrsave): Use
4470         UNSPECV_SET_VRSAVE.
4471
4472 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
4473
4474         PR bootstrap/23131
4475         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
4476         string.
4477         * configure: Regenerated.
4478
4479 2005-07-29  Paul Brook  <paul@codesourcery.com>
4480
4481         * doc/install.texi: Add link to GFortran binaries wiki page.
4482
4483 2005-07-29  David Ung  <davidu@mips.com>
4484
4485         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
4486         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
4487         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
4488         * config/mips/mips.md (cpu): Add 5kf name.
4489         (includes): Includes 5k.md.
4490         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
4491         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
4492         -march flag.
4493
4494 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
4495
4496         PR 22550
4497         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
4498         (cleanup_tree_cfg): ... here.
4499         Call cleanup_tree_cfg_1 until there are no more cleanups to
4500         do.
4501
4502 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
4503
4504         * tree-vrp.c (compare_range_with_value): Return true or false
4505         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
4506         EQ_EXPR respectively.
4507
4508 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
4509
4510         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
4511         Fix comment typos.
4512
4513 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
4514
4515         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
4516         (tree_ssa_dominator_optimize): Increment it.
4517         (dump_dominator_optimization_stats): Print it.
4518
4519 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
4520             Steven Bosscher  <stevenb@suse.de>
4521
4522         PR rtl-optimization/23117
4523         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
4524         when head == tail.  Tidy comment.
4525
4526 2005-07-28  Richard Henderson  <rth@redhat.com>
4527
4528         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
4529         * cselib.c (rtx_equal_for_cselib_p): Likewise.
4530         * jump.c (rtx_renumbered_equal_p): Likewise.
4531         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
4532         CONST_INT and CONST_DOUBLE.
4533         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
4534         * reload.c (operands_match_p): Special case CONST_INT and
4535         CONST_DOUBLE; check mode earlier.
4536
4537 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
4538
4539         PR c/22240
4540         * c-typeck.c (convert_for_assignment): Do not check
4541         DECL_IN_SYSTEM_HEADER on NULL fundecl.
4542
4543 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
4544
4545         PR c/22192
4546         * c-typeck.c (composite_type): Prefer constant size arrays to
4547         VLAs.
4548
4549 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
4550
4551         PR c/21720
4552         * real.c (real_from_string): Set last bit if there is a nonzero
4553         hex digit beyond GCC's internal precision.
4554
4555 2005-07-28  Richard Henderson  <rth@redhat.com>
4556
4557         PR rtl-opt/22619
4558         * cfgcleanup.c (try_forward_edges): Watch out for end of
4559         insn chain.
4560
4561 2005-07-28  James E Wilson  <wilson@specifixinc.com>
4562
4563         PR c/23106
4564         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
4565
4566 2005-07-28  Jan Hubicka  <jh@suse.cz>
4567
4568         * Makefile.in (rtl-profile.o): Kill all traces of it.
4569         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
4570         * coverage.h (rtl_coverage_counter_ref): Kill.
4571         * opts.c (flag_speculative_prefetching_set): Kill.
4572         (flag_loop_optimize_set): New.
4573         (common_handle_option): Disable loop optimizer when profiling;
4574         do not handle speculative prefetching.
4575         * passes.c (init_optimization_passes): Replace pass_profiling combo
4576         by branch_prob pass.
4577         * profile.c (compute_value_histograms): Update for simplified value
4578         profiles.
4579         (rtl_register_profile_hooks): Kill.
4580         (pass_profiling): Kill.
4581         (rest_of_handle_branch_prob): Do not profile.
4582         * toplev.c (process_options): Remove speculative prefetching.
4583         * toplev.h (flag_tree_based_profiling): Kill.
4584         * tree-profile.c (prepare_instrumented_value,
4585         tree_gen_interval_profiler, tree_gen_pow2_profiler,
4586         tree_gen_one_value_profiler, do_tree_profiling): Update for
4587         simplified datastructures.
4588         * value-prof.c: Add comment that speculative prefetching was dropped;
4589         update rest of file for simplified datastructures.
4590         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
4591         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
4592         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
4593         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
4594         rtl_mod_subtract, gen_speculative_prefetch,
4595         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
4596         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
4597         (gate_handle_value_profile_transformations,
4598         rest_of_handle_value_profile_transformations,
4599         pass_value_profile_transformations): Kill.
4600         * value-prof.h (histogram_value_t): Remove IL based unions.
4601         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
4602         rtl_profile_hooks): Remove hooks.
4603
4604         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
4605
4606         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
4607         (cgraph_clone_node): Likewise.
4608         * cgraph.h (cgraph_clone_edge): Update prototype.
4609         (cgraph_clone_node): Likewise.
4610         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
4611         cgraph_clone_node.
4612         (lookup_recursive_calls): Consider profile.
4613         (cgraph_decide_recursive_inlining): Fix updating; use new
4614         probability argument; use profile.
4615         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
4616         * tree-inline.c (copy_bb): Update clal of clone_edge.
4617         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
4618
4619         * invoke.texi (min-inline-recursive-probability): Document.
4620
4621 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
4622
4623         * doc/install.texi (Configuration): Update Valgrind homepage.
4624
4625 2005-07-28  Richard Henderson  <rth@redhat.com>
4626
4627         PR middle-end/21362
4628         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
4629         labels we want to delete.
4630         (cfg_layout_merge_blocks): Likewise.
4631
4632 2005-07-28  Richard Henderson  <rth@redhat.com>
4633
4634         PR target/17692
4635         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
4636         when expanding to nothing.
4637
4638 2005-07-28  Josh Conner  <jconner@apple.com>
4639
4640         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
4641         (cgraph_decide_inlining_of_small_functions): Likewise.
4642
4643 2005-07-28  Josh Conner  <jconner@apple.com>
4644
4645         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
4646         direction of badness if negative.
4647         (cgraph_default_inline_p): Add reason to parameters, and assign it
4648         a value.
4649         (cgraph_decide_inlining_of_small_functions): New parameter in call
4650         to cgraph_default_inline_p.
4651         (cgraph_decide_inlining_incrementally): Likewise.
4652         * cgraphunit.c (decide_is_function_needed): Likewise.
4653         * cgraph.h (cgraph_default_inline_p): Likewise.
4654
4655 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4656
4657         * builtins.c: Fix comment typo(s).
4658         * genautomata.c: Likewise.
4659         * gimplify.c: Likewise.
4660         * tree-dfa.c: Likewise.
4661         * tree-flow-inline.h: Likewise.
4662         * tree-into-ssa.c: Likewise.
4663         * tree-ssa-alias.c: Likewise.
4664         * tree-ssa-ccp.c: Likewise.
4665         * tree-ssa-copy.c: Likewise.
4666         * tree-ssa-dce.c: Likewise.
4667         * tree-ssa-dom.c: Likewise.
4668         * tree-ssa-operands.c: Likewise.
4669         * tree-tailcall.c: Likewise.
4670         * tree-vectorizer.c: Likewise.
4671         * tree-vrp.c: Likewise.
4672         * tree.c: Likewise.
4673
4674 2005-07-28  Jeff Law  <law@redhat.com>
4675
4676         * tree-vrp.c (test_for_singularity): Extracted from  ...
4677         (simplify_cond_using_ranges): Attempt to simplify a relational
4678         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
4679
4680 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
4681
4682         PR tree-optimization/22506
4683         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
4684         phis whose argument is constant.
4685
4686 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
4687
4688         PR rtl-optimization/18992
4689         Back out this patch:
4690           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4691           PR optimization/12142
4692           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
4693           uses of the register in the SET_SRC.  Remove unnecessary argument.
4694
4695         Replace it with this:
4696         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
4697         if flag_non_call_exceptions is set and the insn may trap, pass
4698         pc_rtx as dest for recursion.
4699         In SET_SRC part of SET case, if dest is already set, pass it down
4700         unchanged.
4701
4702 2005-07-28  Jan Hubicka  <jh@suse.cz>
4703
4704         * cfg.c (update_bb_profile_for_threading): Use RDIV.
4705         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
4706         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
4707         roundoff errors.
4708         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
4709         profile when available.
4710
4711 2005-07-28  Jan Beulich <jbeulich@novell.com>
4712
4713         * config/ia64/ia64.c (ia64_load_pair_ok): New.
4714         (ia64_print_operand): Describe and handle 'X'.
4715         (ia64_register_move_cost): Also handle FP_REGS.
4716         (ia64_preferred_reload_class): Likewise.
4717         (ia64_secondary_reload_class): Likewise.
4718         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
4719         it. Also check for ITANIUM_CLASS_FLDP.
4720         * config/ia64/ia64.h (FP_REGNO_P): New.
4721         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
4722         (reg_class): Add FP_REGS.
4723         (REG_CLASS_NAMES): Adjust for it.
4724         (REG_CLASS_CONTENTS): Likewise.
4725         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
4726         (REG_CLASS_FROM_LETTER): Handle 'x'.
4727         (CLASS_MAX_NREGS): Handle FP_REGS.
4728         (MEMORY_MOVE_COST): Likewise.
4729         * config/ia64/ia64.md (itanium_class): Add fldp.
4730         (type): Handle fldp.
4731         (movti_internal): More allowable operand combinations. Use ldfp8 when
4732         splitting unnecessary. Remove predicable attribute. Adjust
4733         itanium_class attribute.
4734         (smuldi3_highpart): Remove outdated comment.
4735         (mulditi3, umulditi3, rotlti3): New expanders.
4736         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
4737         (absti2): Disabled new insn for future reference.
4738         Respective new splitters.
4739         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
4740         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
4741         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
4742
4743 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
4744
4745         PR rtl-optimization/23047
4746         * simplify-rtx.c (simplify_const_relational_operation): Respect
4747         flag_wrapv for comparisons with ABS.
4748
4749 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
4750
4751         PR tree-optimization/22493
4752         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
4753         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
4754
4755 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
4756
4757         * config/frv/frv.opt (moptimize-membar): New.
4758
4759         * doc/invoke.texi: Document -moptimize-membar and its inverse.
4760
4761         * config/frv/frv.h: Remove machine_function definition.
4762
4763         * config/frv/frv.c (struct frv_io): New.
4764         (struct machine_function): Moved from frv.h.  Add has_membar_p.
4765         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
4766         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
4767         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
4768         (frv_optimize_membar_global, frv_optimize_membar): New functions.
4769         (frv_reorg): Call frv_optimize_membar when appropriate.
4770         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
4771         (frv_expand_builtin): Adjust calls accordingly.
4772         (frv_io_address_cookie): New function.
4773         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
4774         load or store rather than a special insn.  Add ccnstant address and
4775         io-type operands to the membar.
4776         (frv_ifcvt_modify_tests): Unsign regno.
4777         (frv_ifcvt_modify_tests): Same.
4778
4779         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
4780         UNSPEC_OPTIONAL_MEMBAR constant.
4781         (builtin_read_<mode>): Delete.
4782         (builtin_write_<mode>): Delete.
4783         ("optional_membar_<mode>"): Add operand.
4784
4785         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
4786         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
4787         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
4788         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
4789         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
4790         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
4791         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
4792         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
4793         * testsuite/gcc.target/frv/all-read-write-1.c: New.
4794
4795 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
4796
4797         * df.c (df_uses_record): Handle SCRATCH.
4798
4799 2005-07-28  Steven Bosscher  <stevenb@suse.de>
4800
4801         PR debug/20161
4802         * passes.c (rest_of_decl_compilation): If decl is a type and
4803         we have encountered errors, don't emit debug information.
4804
4805 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
4806
4807         * params.def: Fixed comment.
4808
4809 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
4810
4811         PR target/19885
4812         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
4813         (TARGET_ASM_UNALIGNED_HI_OP): Add.
4814         (TARGET_ASM_UNALIGNED_SI_OP): Add.
4815
4816 2005-07-27  Steven Bosscher  <stevenb@suse.de>
4817
4818         PR c++/22003
4819         * varasm.c (assemble_start_function): Don't do anything that may
4820         require a CFG if the current function is a thunk.
4821
4822 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
4823
4824         * doc/install.texi (Prerequisites): Mention that perl is needed
4825         to do export control in libstdc++ targetting Darwin.
4826
4827 2005-07-27  Steven Bosscher  <stevenb@suse.de>
4828
4829         PR rtl-optimization/17808
4830         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
4831         (sched_insns_conditions_mutex_p): Split out from...
4832         (add_dependence): ...here.  But don't call it from here.
4833         (add_dependence_list): Check sched_insns_conditions_mutex_p
4834         before calling add_dependence.
4835         (add_dependence_list_and_free): Likewise.
4836         (fixup_sched_groups): Likewise.
4837         (sched_analyze_1): Likewise.
4838         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
4839         (sched_analyze): Likewise.
4840         (sched_analyze_insn): Likewise.
4841         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
4842         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
4843         dependencies on all COND_EXEC insns to jumps ending basic blocks
4844         when doing intrablock scheduling.
4845         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
4846
4847 2005-07-27  Jeff Law  <law@redhat.com>
4848
4849         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
4850         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
4851         equivalency sets, correctly handle the case were vr0 has an
4852         equivalency set, but vr1 does not.
4853
4854 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
4855
4856         PR tree-optimization/23073
4857         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
4858         vect_print_dump_info before fprintf.
4859
4860 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
4861
4862         PR tree-optimize/22348
4863         * tree-ssa-loop-niter.c (number_of_iterations_cond):
4864         Fold the partial computation.
4865
4866 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
4867
4868         PR tree-optimization/22325
4869         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
4870         Declare.
4871         * tree-scalar-evolution.c (scev_const_prop): Add generic final
4872         value replacement.
4873         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
4874         (force_var_cost): ... this function.
4875         (compute_phi_arg_on_exit): Export.
4876
4877 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
4878
4879         PR tree-optimization/20773
4880         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
4881         edge.
4882
4883 2005-07-27  Richard Guenther  <rguenther@suse.de>
4884
4885         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
4886         Avoid pushing again if current struct contains only
4887         fields we decomposed.
4888
4889 2005-07-27  Jan Hubicka  <jh@suse.cz>
4890
4891         PR tree-optimization/22574
4892         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
4893         not available.
4894
4895         * tree-tailcall.c (decrease_profile): New function.
4896         (eliminate_tail_call): Use it.
4897
4898         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
4899         visibility flags correctly in whole program mode.
4900
4901 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
4902
4903         PR rtl-optimization/22472
4904         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
4905
4906 2005-07-26  Steven Bosscher  <stevenb@suse.de>
4907
4908         PR tree-optimization/22504
4909         * tree-complex.c (expand_complex_addition): Use 'code' instead
4910         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
4911
4912 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
4913
4914         * config.gcc (cpu_type): Add frv case.
4915         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
4916         (supported_defaults): Add fr550 case.
4917
4918 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
4919
4920         PR 22591
4921         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
4922         whether a pointer of type T * may point to objects of type T *.
4923
4924 2005-07-26  DJ Delorie  <dj@redhat.com>
4925
4926         * configure: Regenerate.
4927
4928 2005-07-26  Dale Johannesen  <dalej@apple.com>
4929
4930         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
4931
4932 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
4933
4934         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
4935         Clarify use of "build" in name.
4936
4937 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
4938
4939         * doc/extend.texi (Raw read/write Functions): New section.
4940         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
4941         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
4942         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
4943         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
4944         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
4945         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
4946         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
4947         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
4948         * config/frv/frv.c: Add bdesc_loads global.
4949         Add bdesc_stores global.
4950         (frv_init_builtins): Add support for __builtin_{read/write}*.
4951         (frv_volatile_memref): New.
4952         (frv_expand_load_builtin): New.
4953         (frv_expand_store_builtin): New.
4954         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
4955         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
4956         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
4957         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
4958         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
4959         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
4960         (builtin_read_<mode>): New.
4961         (builtin_write_<mode>): New.
4962         (builtin_write64): New.
4963         (optional_membar_<mode>): New.
4964
4965 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
4966
4967         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
4968         (rather than units) against HOST_BITS_PER_WIDE_INT.
4969
4970 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
4971
4972         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
4973         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
4974         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
4975         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
4976         FSF address.
4977
4978         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
4979         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
4980         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
4981         comment typos.
4982         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
4983
4984 2005-07-26  Richard Guenther  <rguenther@suse.de>
4985
4986         PR tree-optimization/22486
4987         * fold-const.c (fold_unary): Fold away useless component
4988         references of the form (T *)&T.x, if the address
4989         doesn't change.
4990
4991 2005-07-25  James E Wilson  <wilson@specifixinc.com>
4992
4993         * dwarf2out.c (add_call_src_coords_attributes): New.
4994         (gen_inlined_subroutine_die): Call it.
4995         (maybe_emit_file, init_file_table): Add comments.
4996         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
4997         maybe_emit_file.
4998         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
4999         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
5000         * tree.h (BLOCK_SOURCE_LOCATION): New.
5001         (struct tree_block): New field locus.
5002
5003 2005-07-26  Andreas Schwab  <schwab@suse.de>
5004
5005         PR rtl-optimization/23043
5006         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
5007         when allocating a struct unoccr.
5008
5009 2005-07-25  Richard Henderson  <rth@redhat.com>
5010
5011         PR 22626
5012         * tree-complex.c (gate_no_optimization): True if errors.
5013         * Makefile.in (tree-complex.o): Update dependencies.
5014
5015 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
5016
5017         * config/frv/predicates.md (integer_register_operand): Use
5018         GPR_AP_OR_PSEUDO_P.
5019
5020 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
5021
5022         PR tree-opt/22484
5023         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
5024         after fold.
5025         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
5026
5027 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
5028
5029         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
5030         types when flag_unsafe_math_optimizations is true.
5031
5032 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
5033
5034         * gcc.c (option_map): Add --sysroot.
5035         (process_command): Handle --sysroot.
5036         (display_help): Document it.
5037         * doc/cppopts.tex (-isysroot): Document.
5038         * doc/invoke.texi (--sysroot): Document.
5039         * doc/install.texi (--with-build-sysroot): Document.
5040
5041         * Makefile.in (inhibit_libc): New variable.
5042         (INHIBIT_LIBC_CFLAGS): Likewise.
5043         (LIBGCC2_CFLAGS): Include
5044         $(INHIBIT_LIBC_CFLAGS).
5045         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
5046         ($(T)crtbegin.o): Do not use @inhibit_libc@.
5047         ($(T)crtend.o): Likewise.
5048         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
5049         ($(T)crtendS.o): Likewise.
5050         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
5051         ($(T)crtendT.o): Likewise.
5052         (stmp-fixinc): Do not complain about missing headers if
5053         inhibit_libc.
5054         * configure.ac (inhibit_libc): Set it to true/false.
5055         (--with-build-sysroot): New option.  Use it to set
5056         SYSTEM_HEADER_DIR.
5057         * configure: Regenerated.
5058
5059 2005-07-25  Manfred Hollstein  <mh@suse.com>
5060
5061         * calls.c (store_one_arg): Fix unsigned comparison warning.
5062
5063 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
5064
5065         PR other/22337
5066         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
5067         (ggc_print_statistics): Initialize variable before use.
5068
5069 2005-07-25  Richard Guenther  <rguenther@suse.de>
5070
5071         * tree-dfa.c (mark_new_vars_to_rename): Protect against
5072         calling with a PHI_NODE argument.
5073
5074         * tree-flow-inline.h (overlap_subvar): Protect against
5075         possible overflow.
5076
5077 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
5078
5079         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
5080         * configure: Regenerate.
5081
5082 2005-07-25  Ira Rosen  <irar@il.ibm.com>
5083
5084         * expr.c (highest_pow2_factor): Make extern.
5085         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
5086         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
5087         record_array_differ_p, array_ptr_differ_p): Likewise.
5088         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
5089         additional cases. Call the above functions.
5090         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
5091         base_object_differ_p when there are two base objects. Otherwise, compare
5092         base address and offset. Call may_alias_p.
5093         (dump_data_reference): Use a correct field name.
5094         (analyze_array): Make static. Initialize new data-ref fields.
5095         (analyze_indirect_ref): New function.
5096         (init_data_ref): Initialize new data-ref fields.
5097         (strip_conversion): Moved from tree-vect-analyze.c.
5098         (analyze_offset_expr, get_ptr_offset, address_analysis,
5099         object_analysis): Likewise.
5100         (analyze_offset): New function.
5101         (create_data_ref): Likewise.
5102         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
5103         dimensions for ARRAY_REFs only.
5104         (build_classic_dist_vector): Make static.
5105         (access_functions_are_affine_or_constant_p): Call macro to get the
5106         address of access functions.
5107         (compute_all_dependences): Add new parameter
5108         compute_self_and_read_read_dependences. Compute self and read-read
5109         dependences if it is true.
5110         (find_data_references_in_loop): Call create_data_ref. Initialize new
5111         data-ref fields.
5112         (compute_data_dependences_for_loop): Add new parameter
5113         compute_self_and_read_read_dependences. Remove parameter nb_loops,
5114         compute nb_loops. Call compute_all_dependences,
5115         build_classic_dist_vector and build_classic_dir_vector with correct
5116         parameters.
5117         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
5118         with correct parameters. Compare dimensions for ARRAY_REFs only.
5119         (free_data_refs): Call macro to free access functions.
5120         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
5121         fields from stmt_vinfo.
5122         (struct base_object_info): New structure.
5123         (struct data_reference): Move fields to base_object_info. Add fields
5124         first_location and object_info for above structures. Move fields from
5125         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
5126         aligned_to.  Add macros to access the new fields.
5127         Update functions declarations.
5128         * tree-flow.h (is_aliased_with): Declare.
5129         * tree-loop-linear.c (linear_transform_loops): Call
5130         compute_data_dependences_for_loop with correct parameters.
5131         * tree-ssa-alias.c (is_aliased_with): New function.
5132         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
5133         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
5134         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
5135         vect_base_addr_differ_p, compute_subscript_distance and
5136         build_classic_dist_vector. Add printings. Check absolute value of
5137         distance.
5138         (vect_analyze_data_ref_dependences): Go through ddrs instead of
5139         data-refs.
5140         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
5141         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
5142         to bytes. Add printing.
5143         (vect_compute_data_refs_alignment): Go through loads and stores in one
5144         loop.
5145         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
5146         vect_analyze_data_ref_access): Likewise.
5147         (vect_analyze_pointer_ref_access): Remove.
5148         (vect_address_analysis, vect_object_analysis): Likewise.
5149         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
5150         and analyze data-refs in the loop.
5151         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
5152         fields of data-ref instead of stmt. Add init to the offset from the
5153         base.
5154         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
5155         (vect_update_init_of_dr): Likewise.
5156         (vect_update_inits_of_drs): Go through loads and stores in one loop.
5157         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
5158         removed fields.
5159         (new_loop_vec_info): Initialize new fields.
5160         (destroy_loop_vec_info): Free new fields.
5161         (vect_strip_conversion): Remove.
5162         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
5163         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
5164         datarefs. Add new field ddrs.
5165         Add macros for the new fields access.
5166         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
5167         base_aligned_p, misalignment, memtag, ptr_info and subvars.
5168         Remove their macros.
5169         * tree.h (highest_pow2_factor): Declare.
5170
5171 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
5172
5173         * calls.c (store_one_arg): Check for sibling call MEM arguments
5174         from already clobbered incoming argument area.
5175
5176 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5177
5178         * c-common.c (check_missing_format_attribute): New.
5179         * c-common.h (check_missing_format_attribute): Likewise.
5180         * c-typeck.c (convert_for_assignment): Use it.
5181
5182 2005-07-24  Andreas Schwab  <schwab@suse.de>
5183
5184         * config/m68k/m68k.md ("extendqidi2"): When source is an address
5185         register use a word move.  Correct operand of ext.w in 68000 code.
5186
5187 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
5188
5189         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
5190         variables as declarations, rather than definitions.
5191
5192 2005-07-24  Ira Rosen  <irar@il.ibm.com>
5193
5194         PR tree-optimization/22526
5195         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
5196         of the zero node.
5197
5198 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
5199
5200         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
5201         that C99 reserve for future use. Use it to define clog10,
5202         clog10f and clog10l.
5203
5204 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5205
5206         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
5207         * configure.ac: Check for -Wmissing-format-attribute.
5208
5209         * configure: Regenerate.
5210
5211 2005-07-23  Richard Henderson  <rth@redhat.com>
5212
5213         PR tree-optimization/22623
5214         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
5215
5216 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
5217
5218         PR target/22577
5219         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
5220
5221 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5222
5223         * Makefile.in (C_TREE_H): Update dependencies.
5224         * c-tree.h: Include toplev.h.
5225         * diagnostic.h (diagnostic_set_info): Add format attribute.
5226         * rtl-error.c (diagnostic_for_asm): Likewise.
5227
5228 2005-07-23  Chao-ying Fu  <fu@mips.com>
5229
5230         * config/mips/mips-dsp.md: New file.
5231         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
5232         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
5233         functions.
5234         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
5235         MIPS_BUILTIN_BPOSGE32.
5236         (mips_expand_builtin_direct): Add one parameter to indicate that
5237         builtin functions need to return a value.
5238         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
5239         functions.
5240         (mips_regno_to_class): Add classes for 12 new DSP registers.
5241         (mips_subword): Change to check four HI registers.
5242         (mips_output_move): Output move to and from 6 new DSP accumulators.
5243         (override_options): Make sure -mdsp and -mips16 are not used together.
5244         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
5245         for machine modes.
5246         (mips_conditional_register_usage): Disable 6 new DSP accumulators
5247         when !TARGET_DSP.
5248         (print_operand): Add 'q' for printing DSP accumulators.
5249         (mips_cannot_change_mode_class): Check ACC_REGS.
5250         (mips_secondary_reload_class): Check ACC_REGS.
5251         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
5252         (mips_register_move_cost): Check ACC_REGS.
5253         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
5254         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
5255         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
5256         (dsp_bdesc): New array.
5257         (bdesc_arrays): Add DSP builtin function table.
5258         (mips_prepare_builtin_arg): Check predicate again after
5259         copy_to_mode_reg.
5260         (mips_expand_builtin): Add one more parameter to
5261         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
5262         MIPS_BUILTIN_BPOSGE32.
5263         (mips_init_builtins): Initialize new function types.
5264         (mips_expand_builtin_direct): Check if builtin functions need to
5265         return a value and pass operands properly.
5266         (mips_expand_builtin_bposge): New function.
5267         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
5268         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
5269         (FIRST_PSEUDO_REGISTER): Increase to 188.
5270         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
5271         Update for 12 new DSP registers.
5272         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
5273         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
5274         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
5275         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
5276         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
5277         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
5278         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
5279         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
5280         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
5281         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
5282         (REGISTER_NAMES): Add names for 12 new DSP registers.
5283         * config/mips/mips.md: Include mips-dsp.md.
5284         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
5285         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
5286         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
5287         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
5288         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
5289         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
5290         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
5291         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
5292         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
5293         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
5294         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
5295         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
5296         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
5297         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
5298         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
5299         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
5300         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
5301         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
5302         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
5303         (UNSPEC_RDDSP): New constants.
5304         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
5305         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
5306         A<-d alternative.
5307         * config/mips/mips.opt (-mdsp): New option.
5308         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
5309         (reg_imm10_operand): New predicates.
5310         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
5311         * doc/invoke.texi (-mdsp): Document new option.
5312
5313 2005-07-22  DJ Delorie  <dj@redhat.com>
5314
5315         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
5316         to warning calls.
5317         * tree-inline.c (inlinable_function_p): Likewise.
5318
5319 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
5320
5321         PR debug/21828
5322         * toplev.c (check_global_declarations): Do not mark undefined
5323         variables as DECL_IGNORED_P.
5324         * varasm.c (first_global_object_name): GTY it.
5325         (weak_global_object_name): Likewise.
5326         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
5327         a string to go into {weak,first}_global_object_name.
5328
5329 2005-07-22  DJ Delorie  <dj@redhat.com>
5330
5331         * c-format.c (check_function_format): Change warning control
5332         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
5333
5334 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
5335
5336         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
5337         &PTR->FLD a dereference of PTR.
5338         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
5339         a potential dereference of PTR.
5340
5341 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
5342
5343         PR rtl-optimization/20370
5344         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
5345         call allocate_reg_info if necessary.
5346
5347         PR rtl-optimization/21848
5348         * calls.c (emit_library_call_value_1): For const functions, add
5349         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
5350
5351         PR rtl-optimization/22445
5352         * cselib.c (target.h): Include.
5353         (rtx_equal_for_cselib_p): Allow commutative matches.
5354         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
5355         Remove MODE parameter.  Changed all callers.
5356
5357         PR rtl-optimization/22258
5358         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
5359         New functions.
5360         (try_combine): Use likely_spilled_retval_p.
5361
5362 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
5363
5364         * config.gcc: Add crx-elf support.
5365
5366         * doc/contrib.texi: Mention crx.
5367         * doc/extend.texi: Document crx extensions.
5368         * doc/install.texi: Document crx install.
5369         * doc/invoke.texi: Document crx options.
5370         * doc/md.texi: Document crx constraints.
5371
5372         * config/crx/crx-protos.h: New file.
5373         * config/crx/crx.c: New file.
5374         * config/crx/crx.h: New file.
5375         * config/crx/crx.md: New file.
5376         * config/crx/crx.opt: New file.
5377         * config/crx/t-crx: New file.
5378
5379 2005-07-22  Manfred Hollstein  <mh@suse.com>
5380
5381         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
5382         warnings.
5383         (int_add_graph_edge): Likewise.
5384         (collapse_nodes): Likewise.
5385         (process_unification_queue): Likewise.
5386
5387 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5388             Laurent GUERBY  <laurent@guerby.net>
5389
5390         PR tree-optimization/22336
5391         * function.c (record_block_change): Check for
5392         cfun->ib_boundaries_block.
5393
5394 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
5395
5396         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
5397         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
5398
5399 2005-07-21  DJ Delorie  <dj@redhat.com>
5400
5401         * toplev.c (warn_deprecated_use): Add warning control to warning
5402         call.
5403         * c-typeck.c (parser_build_binary_op): Likewise.
5404         (c_finish_if_stmt): Likewise.
5405         * c-common.c (check_function_sentinel): Likewise.
5406         (check_nonnull_arg): Likewise.
5407
5408 2005-07-21  Richard Henderson  <rth@redhat.com>
5409
5410         PR tree-opt/22504
5411         * tree-complex.c (complex_ssa_name_components): New.
5412         (cvc_lookup): Allow entry not found.
5413         (create_components): Remove.
5414         (create_one_component_var, get_component_var): New.
5415         (get_component_ssa_name, set_component_ssa_name): New.
5416         (extract_component): Use get_component_ssa_name.
5417         (update_complex_components): Use set_component_ssa_name.
5418         (update_complex_components_on_edge): Likewise.
5419         (update_phi_components): Create new PHI nodes directly, instead
5420         of adding insns to edges.
5421         (tree_lower_complex): Allocate and free complex_variable_components
5422         and complex_ssa_name_components here.
5423
5424 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
5425
5426         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
5427         revert to returning false.
5428
5429 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
5430
5431         PR target/21149
5432         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
5433
5434 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
5435
5436         PR target/22576
5437         * config/i386/i386.md (cmpxf): Change operand constraints
5438         to "nonmemory_operand".
5439
5440 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
5441
5442         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
5443
5444 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
5445
5446         PR middle-end/21180
5447         * fold-const.c (fold_build1): Add checksum for the operands.
5448         (fold_build2): Likewise.
5449         (fold_build3): Likewise.
5450
5451 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
5452
5453         PR middle-end/19055
5454         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
5455
5456 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
5457
5458         * common.opt (-fforward-propagate): Committed by mistake,
5459         removed.
5460
5461 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5462
5463         * reg-stack.c: Fix comment typo(s).
5464         * tree-ssa-operands.c: Likewise.
5465         * tree-vectorizer: Likewise.
5466
5467 2005-07-21  Nick Clifton  <nickc@redhat.com>
5468
5469         * config/sh/symbian.c: Replace C++ style line comments with C
5470         style line comments.
5471         (symbian_add_attribute): Do not use a ? operator on the LHS of
5472         an assignment.
5473         (sh_symbian_handle_dll_attribute): Change the type of the
5474         method vector to "VEC(tree,gc)*" and use vector accessor
5475         macros to walk over the elements.
5476         (symbian_export_vtable_and_rtti_p): Likewise.
5477         (symbian_class_needs_attribute_p): Likewise.
5478
5479 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
5480
5481         PR target/22085
5482         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
5483         initialize targetm.resolve_overloaded_builtin here.
5484         (altivec_expand_overloaded_builtin): Make it non-static.
5485         * config/rs6000/rs6000-protos.h
5486         (altivec_expand_overloaded_builtin): New prototype.
5487         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
5488         targetm.resolve_overloaded_builtin here.
5489         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
5490
5491 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
5492             Zdenek Dvorak  <dvorakz@suse.cz>
5493
5494         PR tree-optimization/19210
5495         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
5496         New.
5497         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
5498         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
5499         rely on unproven assumptions.
5500         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
5501         * tree-flow.h (number_of_iterations_exit): Add final parameter.
5502         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
5503         to number_of_iterations_exit.
5504         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
5505         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
5506         * tree-ssa-loop-niter.c (find_loop_niter,
5507         estimate_numbers_of_iterations_loop): Likewise.
5508         (number_of_iterations_exit): Honor the new options.
5509         * doc/invoke.texi (Wunsafe-loop-optimizations,
5510         funsafe-loop-optimizations): Document them.
5511
5512 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
5513
5514         PR rtl-optimization/22167
5515         * gcse.c (hoist_code): Fix hoist_exprs[] check.
5516
5517 2005-07-20  Adam Nemet  <anemet@lnxw.com>
5518
5519         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
5520         __do_global_dtors_aux longcall.
5521
5522 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
5523
5524         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
5525         (old_special_pred_table): Don't reference
5526         SPECIAL_MODE_PREDICATES.
5527         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
5528         * config/arc/arc.h: Don't mention PREDICATE_CODES.
5529         * config/sh/predicates.h: Don't mention
5530         SPECIAL_MODE_PREDICATES.
5531         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
5532         Remove.
5533
5534 2005-07-20  DJ Delorie  <dj@redhat.com>
5535
5536         * config.gcc: Add m32c-elf support.
5537
5538         * doc/contrib.texi: Mention m32c.
5539         * doc/extend.texi: Document m32c extensions.
5540         * doc/install.texi: Mention m32c.
5541         * doc/invoke.texi: Document m32c options.
5542         * doc/md.texi: Document m32c constraints.
5543
5544         * config/m32c/addsub.md: New file.
5545         * config/m32c/bitops.md: New file.
5546         * config/m32c/cond.md: New file.
5547         * config/m32c/jump.md: New file.
5548         * config/m32c/m32c-lib1.S: New file.
5549         * config/m32c/m32c-lib2.c: New file.
5550         * config/m32c/m32c-modes.def: New file.
5551         * config/m32c/m32c-pragma.c: New file.
5552         * config/m32c/m32c-protos.h: New file.
5553         * config/m32c/m32c.abi: New file.
5554         * config/m32c/m32c.c: New file.
5555         * config/m32c/m32c.h: New file.
5556         * config/m32c/m32c.md: New file.
5557         * config/m32c/m32c.opt: New file.
5558         * config/m32c/minmax.md: New file.
5559         * config/m32c/mov.md: New file.
5560         * config/m32c/muldiv.md: New file.
5561         * config/m32c/predicates.md: New file.
5562         * config/m32c/prologue.md: New file.
5563         * config/m32c/shift.md: New file.
5564         * config/m32c/t-m32c: New file.
5565
5566 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
5567
5568         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
5569         (stack_protect_set, stack_protect_test): New expanders.
5570         (stack_protect_set_si, stack_protect_set_si_media,
5571         stack_protect_set_di_media, stack_protect_test_si,
5572         stack_protect_test_si_media, stack_protect_test_di_media):
5573         New insns.
5574
5575 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
5576
5577         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
5578
5579 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
5580
5581         * tree.h (tree_expr_nonzero_p): Export.
5582         * fold-const.c (tree_expr_nonzero_p): Likewise.
5583         Return true for CALL_EXPRs that are alloca calls.
5584         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
5585         against zero.
5586         * tree-flow.h (expr_computes_nonzero): Remove.
5587         * tree-vrp.c (expr_computes_nonzero): Remove.
5588         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
5589         (extract_range_from_unary_expr): Likewise.
5590         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
5591         tree_expr_nonzero_p.
5592
5593 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
5594
5595         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
5596         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
5597         extra arg "picreg" and use it instead of pic_offset_table_rtx.
5598         All callers changed.
5599         (frame_related_constant_load): New arg "related" which controls
5600         setting of RTX_FRAME_RELATED_P.  All callers changed.
5601         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
5602         (bfin_expand_prologue): Add stack limit checking.
5603         * config/bfin/bfin.md (trapifcc): New pattern.
5604
5605         * config/bfin/bfin.c: Include "langhooks.h".
5606         (def_builtin): Go through lang_hooks to call builtin_function.
5607
5608         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
5609         * config/bfin/predicates.md (symbol_ref_operand): New.
5610         (call_insn_operand): Delete.  All callers changed to use
5611         register_no_elim_operand.
5612         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
5613         call_cookie field.
5614         (function_arg): Use it to generate the call's operand 2.
5615         (bfin_longcall_p): New function.
5616         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
5617         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
5618         determine if the address needs to be in a REG.
5619         (bfin_handle_longcall_attribute): New function.
5620         (bfin_attribute_table): Add "longcall" and "shortcall".
5621         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
5622         (CUMULATIVE_ARGS): New member call_cookie.
5623         (PREDICATE_CODES): Add symbol_ref_operand.
5624         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
5625         extra USE to the pattern.
5626         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
5627         New patterns, split off call_insn, sibcall_insn, call_value_insn and
5628         sibcall_value_insn; now the new patterns handle direct calls and the
5629         old ones indirect calls.
5630         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
5631
5632 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
5633
5634         * doc/trouble.texi: Update section on handling of empty loops.
5635
5636 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
5637
5638         * config.gcc: Remove support for sparc-*-openbsd*,
5639         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
5640         ns32k-*-netbsd*.
5641         * config.host: Remove support for i860-*-sysv4* as a host.
5642         * config/i860/*, config/ip2k/*, config/ns32k/*,
5643         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
5644         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
5645         mention obsolete ports.
5646
5647 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
5648
5649         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
5650         soft frame pointer.
5651         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
5652         of frame_pointer_rtx.
5653         (sh_expand_epilogue): Likewise.
5654         (sh_set_return_address): Likewise.
5655         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
5656         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
5657         offsets from FRAME_POINTER_REGNUM.
5658         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
5659         (sh_register_names): Add initializer for sfp.
5660         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
5661         (VALID_REGISTER_P): Likewise.
5662         (FIRST_PSEUDO_REGISTER): Update.
5663         (DWARF_FRAME_REGISTERS): Define.
5664         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
5665         (HARD_FRAME_POINTER_REGNUM): Define.
5666         (FRAME_POINTER_REGNUM): Redefine.
5667         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
5668         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
5669         from FRAME_POINTER_REGNUM.
5670         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
5671         FRAME_POINTER_REGNUM.
5672         (REG_CLASS_CONTENTS): Add sfp.
5673         (REG_ALLOC_ORDER): Likewise.
5674         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
5675         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
5676         of frame_pointer_rtx.
5677         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
5678
5679 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
5680
5681         * fold-const.c (tree_expr_nonnegative_p): Only return true for
5682         ABS_EXPR when flag_wrapv is false because of INT_MIN.
5683         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
5684         of an ABS_EXPR.
5685         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
5686         ABS_EXPR<x>.
5687
5688 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
5689
5690         Make CONSTRUCTOR use VEC to store initializers.
5691         * c-common.c (complete_array_type): Update to cope with VEC in
5692         CONSTRUCTOR_ELTS.
5693         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
5694         (pp_c_constructor_elts): New function.
5695         * c-pretty-print.h (pp_c_constructor_elts): Declare.
5696         * c-typeck.c (build_function_call, build_c_cast, digest_init,
5697         struct constructor_stack, struct initializer_stack,
5698         constructor_elements, push_init_level, pop_init_level,
5699         add_pending_init, find_init_member, output_init_element): Update to
5700         cope with VEC in CONSTRUCTOR_ELTS.
5701         * coverage.c (build_fn_info_value, build_ctr_info_value,
5702         build_gcov_info): Likewise.
5703         * expr.c (categorize_ctor_elements_1, store_constructor,
5704         expand_expr_real_1): Likewise.
5705         * fold-const.c (fold_ternary): Likewise.
5706         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
5707         gimplify_init_constructor, gimplify_expr): Likewise.
5708         * tree-dump.c (dequeue_and_dump): Likewise.
5709         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
5710         node.
5711         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
5712         CONSTRUCTOR_ELTS.
5713         * tree-sra.c (generate_element_init_1): Likewise.
5714         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
5715         * tree-ssa-operands.c (get_expr_operands): Likewise.
5716         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
5717         * tree-vect-transform.c (vect_get_vec_def_for_operand):
5718         (get_initial_def_for_reduction): Likewise.
5719         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
5720         value handle in annotations.
5721         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
5722         tree_node_structure): Add support for constr_kind.
5723         (build_vector_from_ctor, build_constructor_single,
5724         build_constructor_from_list): New functions.
5725         (build_constructor): Update to take a VEC instead of a TREE_LIST.
5726         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
5727         Update to cope with VEC in CONSTRUCTOR_ELTS.
5728         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
5729         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
5730         CONSTRUCTOR_APPEND_ELT): New macros.
5731         (struct constructor_elt, struct tree_constructor): New data types.
5732         (union tree_node): Add tree_constructor field.
5733         * treestruct.def: Define TS_CONSTRUCTOR.
5734         * varasm.c (const_hash_1, compare_constant, copy_constant,
5735         compute_reloc_for_constant, output_addressed_constants,
5736         initializer_constant_valid_p, output_constant,
5737         array_size_for_constructor, output_constructor): Update to cope with
5738         VEC in CONSTRUCTOR_ELTS.
5739         * vec.h (VEC_empty, VEC_copy): New macros.
5740
5741 2005-07-19  Devang Patel  <dpatel@apple.com>
5742
5743         * dbxout.c (dbxout_type): Check Objective-C++ lang.
5744
5745 2005-07-19  Richard Henderson  <rth@redhat.com>
5746
5747         PR tree-opt/22278
5748         * gimplify.c (gimplify_expr): Use main variant type for the temp
5749         destination for a discarded volatile read.
5750         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
5751         casts between non-void types that change volatility.
5752
5753 2005-07-15  DJ Delorie  <dj@redhat.com>
5754
5755         * toplev.h: Add comment about the first parameter for warning().
5756         * errors.h: Likewise.
5757
5758         * c.opt (Wpragmas): New.
5759         * doc/invoke.texi: Document it.
5760
5761         * function.c (do_warn_unused_parameter): Add warning control to
5762         warning call.
5763         * c-decl.c (warn_if_shadowing): Likewise.
5764         * c-lex.c (cb_def_pragma): Likewise.
5765         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
5766         (pop_alignment): Likewise.
5767         (handle_pragma_pack): Likewise.
5768         (apply_pragma_weak): Likewise.
5769         (handle_pragma_weak): Likewise.
5770         (handle_pragma_redefine_extname): Likewise.
5771         (add_to_renaming_pragma_list): Likewise.
5772         (handle_pragma_extern_prefix): Likewise.
5773         (maybe_apply_renaming_pragma): Likewise.
5774         (handle_pragma_visibility): Likewise.
5775
5776         * config/c4x/c4x-c.c (BAD): Likewise.
5777         (c4x_parse_pragma): Likewise.
5778         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
5779         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
5780         (rs6000_pragma_longcall): Likewise.
5781         * config/v850/v850-c.c (pop_data_area): Likewise.
5782         (ghs_pragma_section): Likewise.
5783         (ghs_pragma_section): Likewise.
5784         (ghs_pragma_interrupt): Likewise.
5785         (ghs_pragma_starttda): Likewise.
5786         (ghs_pragma_startsda): Likewise.
5787         (ghs_pragma_startzda): Likewise.
5788         (ghs_pragma_endtda): Likewise.
5789         (ghs_pragma_endsda): Likewise.
5790         (ghs_pragma_endzda): Likewise.
5791
5792 2005-07-19  Danny Berlin <dberlin@dberlin.org>
5793             Kenneth Zadeck <zadeck@naturalbridge.com>
5794
5795         * Makefile.in: Removed tree-promote-statics.c
5796         * tree-promote-statics.c: Removed.
5797         * common.opt: Removed flag-promote-statics.
5798         * opts.c: Ditto.
5799         * passes.c: Removed tree-promote-statics pass.
5800         * tree-pass.h: Ditto.
5801         * timevar.def: Removed TV_PROMOTE_STATICS.
5802
5803
5804 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
5805
5806         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
5807         and *-*-freebsd9.
5808         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
5809
5810 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5811
5812         PR c/22476
5813         * c-common.c (check_function_arguments): Call
5814         'check_function_format' if either -Wformat or
5815         -Wmissing-format-attribute are specified.
5816         * c-format.c (check_function_format): Check -Wformat before
5817         calling 'check_format_info'.
5818         * c-opts.c (c_common_post_options): Don't warn for
5819         -Wmissing-format-attribute without -Wformat.
5820         * c-typeck.c (convert_for_assignment): Detect additional cases for
5821         -Wmissing-format-attribute.
5822         * doc/invoke.texi (-Wmissing-format-attribute): Document new
5823         behavior.
5824
5825 2005-07-19  Richard Guenther  <rguenther@suse.de>
5826
5827         * config/i386/i386.md (lrint<mode>2): Use temporary
5828         instead of clobbering non-existent memory.
5829
5830 2005-07-19  Nick Clifton  <nickc@redhat.com>
5831
5832         * config/avr/avr.c (legitimate_address_p): Fix debugging print
5833         statement to avoid displaying ASCII control characters.
5834
5835 2005-07-19  Ben Elliston  <bje@au.ibm.com>
5836
5837         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
5838         * cfganal.c (find_edge_index): Ditto.
5839         * combine.c (combine_instructions): Ditto.
5840         * ddg.c (create_scc): Ditto.
5841         (find_successors): Ditto.
5842         (find_predecessors): Ditto.
5843         (find_nodes_on_paths): Ditto.
5844         (longest_simple_path): Ditto.
5845         * flow.c (update_life_info): Ditto.
5846         (count_or_remove_death_notes): Ditto.
5847         (clear_log_links): Ditto.
5848         * modulo-sched.c (generate_reg_moves): Ditto.
5849         (find_max_asap): Ditto.
5850         (find_max_hv_min_mob): Ditto.
5851         (find_max_dv_min_mob): Ditto.
5852         * sbitmap.c (sbitmap_first_set_bit): Ditto.
5853         * sched-rgn.c (extract_edgelst): Ditto.
5854         * tree-into-ssa.c (prepare_names_to_update): Ditto.
5855         (dump_update_ssa): Ditto.
5856         (ssa_names_to_replace) Ditto.
5857         (switch_virtuals_to_full_rewrite): Ditto.
5858         (update_ssa): Ditto.
5859         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
5860
5861 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
5862
5863         Fix PR tree-optimization/22483
5864
5865         * tree-complex.c (create_components): Use
5866         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
5867         * tree-flow-inline.h (fill_referenced_var_vec): New function.
5868         * tree-flow.h (safe_referenced_var_iterator): New structure.
5869         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
5870         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
5871         safe_referenced_var iterator.
5872         (add_type_alias): Ditto.
5873
5874 2005-07-19  Steven Bosscher  <stevenb@suse.de>
5875
5876         * loop-init.c (rest_of_handle_loop2): Remove.
5877         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
5878         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
5879         (pass_rtl_loop_init, pass_rtl_loop_done,
5880         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
5881         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
5882         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
5883         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
5884         pass_tree_loop_done, and pass_tree_unswitch.
5885         (gate_loop): Rename to gate_tree_loop.
5886         * passes.c (init_optimization_passes): Update for renamed tree
5887         loop passes.  Add the new loop2 passes as subpasses of loop2.
5888         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
5889         Update for the renamed tree loop passes.
5890
5891 2005-07-18  Ian Lance Taylor  <ian@airs.com>
5892
5893         PR middle-end/22057
5894         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
5895         blocks when optimizing.
5896
5897 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
5898
5899         * common.opt (frename-registers): Initialize to 2.
5900         (fweb): Ditto.
5901         (fgcse-after-reload): Ditto.
5902         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
5903         (process_options): Only change flag_web, flag_rename_registers,
5904         and flag_rerun_cse_after_loop if not explicitly set by user.
5905
5906 2005-07-18  Jan Beulich  <jbeulich@novell.com>
5907
5908         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
5909         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
5910         in 64-bit mode the same as DImode in 32-bit mode.
5911         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
5912         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
5913         mode. Add new mode parameter.
5914         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
5915         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
5916         x86_64_shift_adj): New expanders.
5917         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
5918         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
5919         insns.
5920         Respective new splitters. Use renamed shift splitter helpers in 32-bit
5921         DImode shift splitters.
5922         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
5923         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
5924         mode parameter.
5925
5926 2005-07-18  Jan Beulich  <jbeulich@novell.com>
5927
5928         * i386.md (movdi_extzv_1): New.
5929         (zero_extendhidi2): Combine alternatives and never force use of
5930         REX64 prefix.
5931         (zero_extendqidi2): Likewise. Don't restrict input selection.
5932
5933 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
5934
5935         Fix PR tree-optimization/22531
5936         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
5937          moment.
5938
5939 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
5940
5941         * tree-promote-statics.c (pass_promote_statics): Change dump file
5942          name.
5943
5944 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
5945
5946         * tree-optimize.c (init_tree_optimization_passes): Add
5947         pass_eliminate_useless_stores pass.
5948         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
5949         * tree-ssa-pre.c (is_copy_stmt): New function.
5950         (follow_copies_till_vuse): Ditto.
5951         (do_eustores): Ditto.
5952         (gate_eustores): Ditto.
5953
5954 2005-07-16  Richard Henderson  <rth@redhat.com>
5955
5956         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
5957
5958 2005-07-16 Danny Berlin <dberlin@dberlin.org>
5959            Kenneth Zadeck <zadeck@naturalbridge.com>
5960
5961         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
5962         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
5963         ipa-type-escape.h, tree-promote-statics.c
5964         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
5965         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
5966         tree-promote-statics.c: new files.
5967         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
5968         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
5969         int nonlocal_set_p, mark_constant_function): Deleted.
5970         (rest_of_handle_cfg): Removed call to mark_constant_function.
5971         (nonoverlapping_component_refs_p): Added calls to support
5972         type based aliasing.
5973         * tree-ssa-alias.c (may_alias_p,
5974         compute_flow_insensitive_aliasing): Ditto.
5975         * calls.c (flags_from_decl_or_type): Removed reference to
5976         cgraph_rtl_info.
5977         * c-typeck.c (convert_arguments): Make builtins tolerant of having
5978         too many arguments.  This is necessary for Spec 2000.
5979         * cgraph.h (const_function, pure_function): Removed.
5980         * common.opt: Added "fipa-pure-const", "fipa-reference",
5981         "fipa-type-escape", and "ftree-promote-static".
5982         * opts.c: Ditto.
5983         * passes.c: Added ipa and tree-promote-statics passes.
5984         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
5985         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
5986         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
5987         * tree-flow.h: Added exposed sra calls and addition of
5988         reference_vars_info field for FUNCTION_DECLS.
5989         * tree-pass.h: Added passes.
5990         * tree-sra.c: (sra_init_cache): New function.
5991         (sra_insert_before, sra_insert_after) Made public.
5992         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
5993         and made public.
5994         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
5995         aliasing. (may_alias_p): Added code to use type escape analysis to
5996         improve alias sets.
5997         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
5998         code to prune clobbers of static variables based on information
5999         produced in ipa-reference pass.  Changed call clobbering so that
6000         statics are not marked as clobbered if the call does not clobber
6001         them.
6002
6003 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
6004
6005         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
6006         too.
6007
6008 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
6009
6010         * doc/install.texi (*-*-solaris2*): Document recommended version
6011         of GNU binutils and mention GNU linker problem on Solaris 10.
6012
6013 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
6014
6015         PR c/22421
6016         * c-decl.c (c_build_bitfield_integer_type): New function.
6017         (finish_struct): Call it.
6018         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
6019
6020 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6021
6022         * c-typeck.c (digest_init): Call 'convert_for_assignment'
6023         before returning.
6024
6025 2005-07-16  Jan Hubicka  <jh@suse.cz>
6026
6027         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
6028         (scale_bbs_frequencies_int): Watch roundoff errors.
6029         * predict.c (return_prediction): Initialize return_stmt.
6030
6031 2005-07-16  Jan Hubicka  <jh@suse.cz>
6032
6033         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
6034         after RTL profiling.
6035
6036 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
6037
6038         PR middle-end/22398
6039         * fold-const.c (build_range_check): Convert high/low to etype
6040         if we are only comparing against exp.
6041
6042 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
6043
6044         Fix PR tree-optimization/22376
6045         * tree-ssa-structalias.c (build_constraint_graph): We really meant
6046         special var here.
6047         (need_to_solve): New function.
6048         (compute_points_to_sets): Use it.
6049
6050 2005-07-15  Jan Hubicka  <jh@suse.cz>
6051
6052         * cfg.c (update_bb_profile_for_threading): More diagnostic.
6053         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
6054
6055 2005-07-15  Richard Guenther  <rguenther@suse.de>
6056
6057         * c-common.c (handle_flatten_attribute): New function.
6058         Add flatten function attribute.
6059         * doc/extend.texi: Document flatten function attribute.
6060         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
6061         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
6062         New functions.
6063         (cgraph_decide_inlining): Handle functions with flatten
6064         attribute.
6065
6066 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
6067
6068         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
6069         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
6070         UNSPEC_XCHG, UNSPEC_AND): New.
6071         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
6072         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
6073         * config/rs6000/sync.md (FETCHOP): New code macro.
6074         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
6075         New code attrs.
6076         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
6077         (sync_compare_and_swap<mode>): Same.
6078         (sync_lock_test_and_set<mode>): Same.
6079         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
6080         for QImode and HImode, and not PPC405.
6081         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
6082         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
6083         (sync_<fetchop>{si,di}_internal): New.
6084         (sync_nand{si,di}_internal): New.
6085         (sync_old_<fetchop>{si,di}_internal): New.
6086         (sync_old_nand{si,di}_internal): New
6087         (sync_new_<fetchop>{si,di}_internal): New.
6088         (sync_new_nand{si,di}_internal): New.
6089         (atomic_and{si,di}): New.
6090         (sync_new_nand{si,di}_internal): New.
6091         (atomic_and{si,di}): New.
6092         (sync_add<mode>_internal): Delete.
6093         (sync_addshort_internal): Use unspec instead of unspec_volatile.
6094         (sync_sub<mode>_internal): Delte.
6095         (sync_subshort_internal): New.
6096         (sync_andsi_internal): Use unspec instead of unspec_volatile.
6097         (sync_anddi_internal): Delete.
6098         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
6099         (sync_booldi_internal): Delete.
6100         (sync_boolc<mode>_internal): Delete.
6101         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
6102         (sync_boolc<mode>_internal2): Delete.
6103         (sync_boolcc<mode>_internal): Delete.
6104         (isync, lwsync): Use unspec instead of unspec_volatile.
6105         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
6106         Revert UNSPEC_VOLATILE.
6107         (rs6000_split_atomic_op): New.
6108         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
6109
6110 2005-07-14  Eric Christopher  <echristo@redhat.com>
6111
6112         * config/mips/mips.c (mips_canonicalize_comparison): Cast
6113         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
6114
6115 2005-07-14  Eric Christopher  <echristo@redhat.com>
6116
6117         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
6118
6119 2005-07-14  Steven Bosscher  <stevenb@suse.de>
6120
6121         PR tree-optimization/22230
6122         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
6123         the computation of the four cross productions for "range op range".
6124
6125 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
6126             Ulrich Weigand  <uweigand@de.ibm.com>
6127
6128         PR target/20126
6129         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
6130         in some insn.
6131
6132 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
6133
6134         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
6135
6136 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
6137
6138         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
6139
6140 2005-07-14  Richard Guenther  <rguenther@suse.de>
6141
6142         PR middle-end/22347
6143         * config/i386/i386-protos.h (ix86_function_value): Change
6144         prototype to match new target hook.
6145         * config/i386/i386.c (ix86_value_regno): Change prototype
6146         to take extra type argument.
6147         (TARGET_FUNCTION_VALUE): Define.
6148         (ix86_function_ok_for_sibcall): Pass extra argument to
6149         ix86_value_regno, check return slot rtx for exact match.
6150         (ix86_function_value): Take extra parameter.  Dispatch to
6151         ix86_value_regno with fndecl/fntype as provided.
6152         (ix86_value_regno): Handle extra type argument.
6153         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
6154
6155         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
6156         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
6157         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
6158         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
6159         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
6160
6161 2005-07-14  Richard Guenther  <rguenther@suse.de>
6162
6163         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
6164         * calls.c (expand_call): Pass fntype to hard_function_value.
6165         (emit_library_call_value_1): Likewise.
6166         * explow.c: Include target.h.
6167         (hard_function_value): Take extra argument, the fntype.
6168         Use new target hook for function_value.
6169         * expr.h (hard_function_value): Change prototype.
6170         * function.c (aggregate_value_p): Pass 0 as fntype to
6171         hard_function_value.
6172         (assign_parms): Use new target hook for function_value.
6173         Pass 0 as fntype to hard_function_value.
6174         (expand_function_end): Likewise.
6175         * reg-stack.c: Include target.h.
6176         (stack_result): Use new target hook for function_value.
6177         * target-def.h: New target hook function_value.
6178         * target.h: Likewise.
6179         * targhooks.c (default_function_value): New function.
6180         * targhooks.h (default_function_value): Declare.
6181
6182 2005-07-13  Ian Lance Taylor  <ian@airs.com>
6183
6184         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
6185
6186 2005-07-14  Jan Hubicka  <jh@suse.cz>
6187
6188         * tree-dfa.c (dump_variable): Use default_def function.
6189         * tree-ssa-alias.c (dump_points_to_info): Likewise.
6190         * tree-ssa.c (verify_use): Likewise.
6191         * tree-ssanames.c (release_ssa_name): Likewise.
6192         * tree-tailcall.c (eliminate_tail_call): Likewise.
6193         (tree_optimize_tail_calls_1): Likewise.
6194         * tree-vrp.c (get_value_range): Likewise.
6195
6196 2005-07-14  Ben Elliston  <bje@au.ibm.com>
6197
6198         * gcc.c (main): Compare language[0] with '*' when iterating over
6199         the infiles.
6200
6201 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
6202
6203         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
6204         "s390_emit_compare".  Add handling of CCZ1mode.
6205         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
6206         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
6207         checking.
6208         (s390_branch_condition_mask): Add CCZ1mode handling.
6209         * config/s390/s390.md: ("seq", "*seq"): New pattern.
6210         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
6211         Use CCZ1mode instead of CCZmode.
6212         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
6213
6214 2006-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
6215
6216         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
6217         pattern.
6218         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
6219
6220 2005-07-13  Eric Christopher  <echristo@redhat.com>
6221
6222         * config/mips/mips.c (mips_canonicalize_comparison): New.
6223         (mips_emit_int_relational): Use.
6224
6225 2005-07-13  Eric Christopher  <echristo@redhat.com>
6226
6227         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
6228         static extra parts.
6229         * config/s390/s390.md: Include tpf.md. Move tpf specific
6230         patterns...
6231         * config/s390/tpf.md: To here.
6232         * config/s390/s390.opt: Move tpf specific options...
6233         * config/s390/tpf.opt: to here. Add mmain option.
6234         * config/s390/tpf-unwind.h: Remove unnecessary defines.
6235         * config/s390/tpf.h: Rewrite.
6236
6237 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
6238
6239         * doc/tm.texi: Remove @xref{Cross-profiling}.
6240
6241 2005-07-13  Jeff Law  <law@redhat.com>
6242
6243         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
6244         expressions, test their _DECL operands for pointer equality rather
6245         than using operand_equal_p.
6246
6247 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
6248
6249         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
6250         (TARGET_POSIX_IO): This.
6251         * config/darwin.h: Likewise.
6252         * config/freebsd.h: Likewise.
6253         * config/linux.h: Likewise.
6254         * config/lynx.h: Likewise.
6255         * config/netbsd.h: Likewise.
6256         * config/rs6000/linux64.h: Likewise.
6257         * config/rs6000/linux.h: Likewise.
6258         * config/s390/tpf.h: Likewise.
6259         * config/sh/embed-elf.h: Likewise.
6260         * config/sparc/linux64.h: Likewise.
6261         * config/sparc/linux.h: Likewise.
6262         * config/svr4.h: Likewise.
6263         * gcov-io.h: Likewise.
6264
6265         * doc/tm.texi: Updated.
6266
6267         * libgcov.c (create_file_directory): Defined only if
6268         TARGET_POSIX_IO is defined.
6269         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
6270         is defined.
6271
6272 2005-07-13  Jan Hubicka  <jh@suse.cz>
6273
6274         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
6275
6276 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
6277
6278         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
6279         structure as argument.
6280
6281 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
6282
6283         PR tree-optimization/21921
6284         * tree-iterator.c (tsi_link_before): Support the case when
6285         tsi_end_p (tsi) == true.
6286
6287 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
6288
6289         PR tree-optimization/22442
6290         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
6291         correctly.
6292
6293 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
6294
6295         PR rtl-optimization/20376
6296         * toplev.c (process_options): Enable -fweb and -frename-registers when
6297         unrolling.
6298         * doc/invoke.texi: Update the information about when -fweb and
6299         -frename-registers are enabled.
6300
6301 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
6302
6303         PR tree-opt/21840
6304         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
6305         if *rhs_p is not a SSA_NAME.
6306
6307 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
6308
6309         Fix PR tree-optimization/22422
6310         * tree-ssa-structalias.c (struct variable_info): Add flag for
6311         special vars.
6312         (get_varinfo): Now a static function.
6313         (new_varinfo): init has_union and is_special_var to false.
6314         (solution_set_add): Check has_union.
6315         (do_da_constraint): Move temporary variable so it gets reset
6316         properly.
6317         Also check for special variable.
6318         (do_ds_constraint): Ditto.
6319         (do_sd_constraint): Ditto.
6320         (do_structure_copy): Check for special variable.
6321         (find_func_aliases): Ditto.
6322         (init_base_vars): Set special vars properly.
6323
6324 2005-07-13  Jan Hubicka  <jh@suse.cz>
6325
6326         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
6327         do unit-at-a-time.
6328
6329         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
6330         (get_expr_operands): Fix thinko wrt flags and subvars.
6331
6332         PR tree-optimize/22379
6333         * tree-inline.c (expand_call_inline): Do not output sorry in early
6334         inlining.
6335
6336 2005-07-12  Dale Johannesen  <dalej@apple.com>
6337
6338         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
6339
6340 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
6341
6342         PR bootstrap/21704
6343         * host-linux.h: Include limits.h.
6344
6345 2005-07-12  Dale Johannesen  <dalej@apple.com>
6346
6347         * expr.c (compress_float_constant):  Add cost check.
6348         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
6349
6350 2005-07-12  Dale Johannesen  <dalej@apple.com>
6351
6352         * gcc.target/i386/compress-float-sse.c:  New.
6353         * gcc.target/i386/compress-float-sse-pic.c:  New.
6354         * gcc.target/i386/compress-float-387.c:  New.
6355         * gcc.target/i386/compress-float-387-pic.c:  New.
6356         * gcc.dg/compress-float-ppc.c:  New.
6357         * gcc.dg/compress-float-ppc-pic.c:  New.
6358
6359 2005-07-12  Eric Christopher  <echristo@redhat.com>
6360
6361         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
6362         static extra parts.
6363         * config/s390/s390.md: Include tpf.md. Move tpf specific
6364         patterns...
6365         * config/s390/tpf.md: To here.
6366         * config/s390/s390.opt: Move tpf specific options...
6367         * config/s390/tpf.opt: to here. Add mmain option.
6368         * config/s390/tpf-unwind.h: Remove unnecessary defines.
6369         * config/s390/tpf.h: Rewrite.
6370
6371 2005-07-12  Eric Christopher  <echristo@redhat.com>
6372
6373         * gcc.c (struct infile): Update comment for language.
6374         (main): Rewrite input file resetting code.
6375
6376 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
6377
6378         PR tree-opt/22335
6379         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
6380         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
6381         (lookup_avail_expr): Use constant_boolean_node instead
6382         of boolean_false_node/boolean_true_node.
6383
6384 2005-07-12  Ben Elliston  <bje@au.ibm.com>
6385
6386         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
6387         and use it when printing num_edges.
6388
6389 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
6390
6391         * doc/extend.texi (Blackfin Built-in Functions): New section.
6392         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
6393         @opindex.
6394
6395 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
6396
6397         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
6398         s/cmpstrsi/cmpstrnsi
6399         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
6400         'cmpstrnsi'.
6401         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
6402         (init_optabs): Initialize cmpstrn_optab.
6403         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
6404         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
6405         * expr.c: (enum insn_code cmpstrn_optab): Declare.
6406         * config/i386/i386.md: s/cmpstr/cmpstrn
6407         * config/c4x/c4x.md: s/cmpstr/cmpstrn
6408         * doc/md.texi: Update documentation.
6409
6410 2005-07-11  Richard Henderson  <rth@redhat.com>
6411
6412         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
6413         build_va_arg_indirect_ref.
6414         (alpha_gimplify_va_arg): Likewise.
6415         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
6416         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
6417         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
6418         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
6419         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
6420         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
6421         Likewise.
6422         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
6423
6424 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
6425
6426         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
6427         * passes.c (init_optimization_passes): Add pass_empty_loop.
6428         * tree-pass.h (pass_empty_loop): Declare.
6429         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
6430         try_remove_empty_loop, remove_empty_loops): New functions.
6431         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
6432         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
6433
6434 2005-07-12  Peter Barada  <peter@the-baradas.com>
6435
6436         PR middle-end/16719
6437         PR middle-end/18421
6438         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
6439         in address registers.
6440         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
6441         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
6442         alternative of addsi3_5200.
6443
6444 2005-07-11  Ian Lance Taylor  <ian@airs.com>
6445
6446         * config/mips/mips.md (ffs<mode>2): Remove.
6447
6448 2005-07-11  Ian Lance Taylor  <ian@airs.com>
6449
6450         * doc/tree-ssa.texi (Cleanups): Improve description of
6451         TRY_FINALLY_EXPR.
6452         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
6453
6454 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
6455
6456         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
6457         * tree.h (DECL_ARGUMENT_FLD): New macro.
6458
6459 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
6460
6461         Fix PR tree-optimization/22404
6462
6463         * tree-ssa-structalias.c (create_variable_info_for): Use
6464         correct offset.
6465
6466 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
6467
6468         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
6469         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
6470         for second comparison operand.
6471         * config/bfin/predicates.md (reg_or_const_int_operand): New.
6472
6473         * config/bfin/bfin.md (define_attr "type"): Add "sync".
6474         (define_insn_reservation "alu"): Likewise.
6475         (csync, ssync): Now of type sync.
6476         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
6477         -mcsync-anomaly -mspecld-anomaly.
6478         * config/bfin/bfin.opt (mcsync): Remove.
6479         (mcsync-anomaly, mspecld-anomaly): Add.
6480         * config/bfin/bfin.c: Include "insn-codes.h".
6481         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
6482         (TARGET_DEFAULT_TARGET_FLAGS): New.
6483         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
6484
6485 2005-07-11  Steven Bosscher  <stevenb@suse.de>
6486
6487         * basic-block.h: Give the BB flags enum a name, bb_flags.
6488         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
6489         * cfgcleanup.c (enum bb_flags): Remove here.
6490         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
6491         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
6492         (update_forwarder_flag): Likewise.
6493         (thread_jump): Likewise.
6494         (try_forward_edges): Likewise.
6495         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
6496         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
6497         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
6498
6499 2005-07-11  Richard Guenther  <rguenther@suse.de>
6500
6501         * config/i386/i386.opt: New target option -msseregparm.
6502         * config/i386/i386.c (override_options): Error out for
6503         -msseregparm but no SSE support.
6504         (ix86_function_sseregparm): Check for global sseregparm.
6505         * doc/invoke.texi: Document -msseregparm.
6506
6507 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6508
6509         * config.gcc (m32r-*-linux*): Use the default extra_parts.
6510         (m32rle-*-linux*): Ditto.
6511
6512 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
6513
6514         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
6515         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
6516         bytes.
6517
6518 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6519
6520         PR middle-end/22239
6521         PR target/20126
6522         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
6523         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
6524
6525 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
6526
6527         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
6528         (varmap): Heapify varmap.
6529         (constraints): Heapify constraints.
6530         (struct constraint_graph): Heapify succs and preds.
6531         (constraint_vec_find): Update for heapification.
6532         (constraint_set_union): Ditto.
6533         (insert_into_complex): Ditto.
6534         (constraint_edge_vec_find): Ditto.
6535         (erase_graph_self_edge): Ditto.
6536         (add_graph_edge): Ditto.
6537         (get_graph_weights): Ditto.
6538         (merge_graph_nodes): Ditto.
6539         (build_constraint_graph): Ditto.
6540         (topo_visit): Ditto.
6541         (solve_graph): Ditto.
6542         (create_variable_info_for): Ditto.
6543         (init_base_vars): Ditto.
6544         (delete_points_to_sets): Free graph, varmap, and complex constraints.
6545         (condese_varmap_nodes): Free complex vector.
6546         (clear_edges_for_node): Clear succs and preds vector.
6547
6548 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
6549
6550         * tree-ssa-structalias.c (update_alias_info): Change counting of
6551         references to not include vdefs.
6552
6553 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
6554
6555         * tree-ssa-alias.c (free_used_part_map): Add missing free.
6556         (up_insert): Ditto.
6557
6558 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6559
6560         * pa.c (pa_commutative_p): Make PLUS commutative when
6561         TARGET_NO_SPACE_REGS is true.
6562
6563 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
6564
6565         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
6566         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
6567         * tree-dfa.c (dump_subvars_for): New.
6568         (debug_subvars_for): New.
6569         (dump_variable): Show subvariables if VAR has them.
6570         * tree-flow-inline.h (get_subvar_at): New.
6571         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
6572         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
6573         Update all users.
6574         (struct subvar): Change fields offset and size to unsigned
6575         HOST_WIDE_INT.
6576         (dump_subvars_for): Declare.
6577         (debug_subvars_for): Declare.
6578         (get_subvar_at): Declare.
6579         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
6580         to unsigned HOST_WIDE_INT *.
6581         (overlap_subvar): Likewise.
6582         * tree-gimple.c (is_gimple_reg): Always return false for
6583         SFTs and memory tags.
6584         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
6585         Update all callers.
6586         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
6587         (compute_may_aliases): Call compute_points_to_sets.
6588         (collect_points_to_info_for): Remove.
6589         (compute_points_to_and_addr_escape): Remove.
6590         (delete_alias_info): Call delete_points_to_sets.
6591         (compute_flow_sensitive_aliasing): If the call to
6592         find_what_p_points_to returns false, call set_pt_anything.
6593         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
6594         (set_pt_anything): Clear pi->pt_vars.
6595         (set_pt_malloc): Remove.
6596         (merge_pointed_to_info): Remove.
6597         (add_pointed_to_expr): Remove.
6598         (add_pointed_to_var): Remove.
6599         (collect_points_to_info_r): Remove.
6600         (is_escape_site): Make extern.
6601         (create_sft): New.
6602         (create_overlap_variables_for): Call it.
6603         * tree-ssa-copy.c (merge_alias_info): Never merge
6604         flow-sensitive alias information.
6605         * tree-ssa-operands.c (get_expr_operands): Adjust variables
6606         offset and size to be unsigned HOST_WIDE_INT.
6607         (add_to_addressable_set): Rename from note_addressable.
6608         Set TREE_ADDRESSABLE as the variables are added to the set.
6609         Update all users.
6610         (add_stmt_operand): Do not try to micro-optimize unmodifiable
6611         operands into VUSEs when adding V_MAY_DEFs for members in an
6612         alias set.
6613         * tree-ssa-operands.h (add_to_addressable_set): Declare.
6614         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
6615         (struct variable_info): Add bitfield is_heap_var.
6616         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
6617         (new_var_info): Initialize is_heap_var.
6618         (get_constraint_for): Add HEAP variables to the symbol table.
6619         Mark them with is_heap_var.
6620         (update_alias_info): New.  Taken mostly from the old
6621         compute_points_to_and_addr_escape.
6622         (handle_ptr_arith): New.
6623         (find_func_aliases): Call update_alias_info.
6624         Call handle_ptr_info for tcc_binary expressions.
6625         Call mark_stmt_modified.
6626         (create_variable_info_for): If DECL has subvars, do not create
6627         variables for its subvars.  Always add all the fields.
6628         (set_uids_in_ptset): If the solution includes ANYOFFSET and
6629         SFTs, then add all the SFTs of the structure.
6630         If VI->DECL is an aggregate with subvariables, add the SFT at
6631         VI->OFFSET.
6632         (find_what_p_points_to): If VI is an artificial variable,
6633         translate to bitfields in SSA_NAME_PTR_INFO.
6634         If the solution is empty, set pi->pt_vars to NULL
6635         (init_base_vars): Create ANYOFFSET.
6636         (compute_points_to_sets): Rename from create_alias_vars.
6637         Make extern.
6638         (pass_build_pta): Remove.
6639         (delete_points_to_sets): Rename from delete_alias_vars.
6640         (pass_del_pta): Remove.
6641         * tree-ssa-structalias.h (struct alias_info): Move from
6642         tree-ssa-alias.h.
6643         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
6644         NUM_REFERENCES_SET): Likewise.
6645         (compute_points_to_sets, delete_points_to_sets): Declare.
6646
6647 2005-07-09  Richard Henderson  <rth@redhat.com>
6648
6649         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
6650         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
6651         alpha_split_lock_test_and_set_12): New functions.
6652         * config/alpha/alpha-protos.h: Update.
6653         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
6654         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
6655         * config/alpha/sync.md (I12MODE): New.
6656         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
6657         (sync_<fetchop_name><I48MODE>): Likewise.
6658         (sync_nand<I48MODE>): Likewise.
6659         (sync_old_<fetchop_name><I48MODE>): Likewise.
6660         (sync_new_<fetchop_name><I48MODE>): Likewise.
6661         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
6662         (sync_compare_and_swap<I48MODE>): Likewise.
6663         (sync_lock_test_and_set<I48MODE>): Likewise.
6664         (sync_compare_and_swap<I12MODE>): New.
6665         (sync_compare_and_swap<I12MODE>_1): New.
6666         (sync_lock_test_and_set<I12MODE>): New.
6667         (sync_lock_test_and_set<I12MODE>_1): New.
6668
6669 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
6670
6671         PR 21356
6672         PR 22332
6673         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
6674
6675 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
6676
6677         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
6678         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
6679
6680 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
6681
6682         PR target/21656
6683         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
6684
6685 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
6686
6687         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
6688         memory_operand constraint.
6689         (store_conditional_<mode>): Same.
6690         (sync_compare_and_swap<mode>): Same.
6691         (sync_lock_test_and_set<mode>): Same.
6692
6693 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
6694
6695         Rewrite PIC support to more closely model actual instructions.
6696         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
6697         (cris_symbol): Remove prototypes for removed functions.
6698         (cris_pic_symbol_type_of, cris_valid_pic_const)
6699         (cris_expand_pic_call_address): Prototypes for new functions.
6700         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
6701         variable.
6702         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
6703         modifiers.
6704         <case ':'>: Add case for new punctuation character.
6705         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
6706         emitting (extra) PIC modifier.
6707         <case UNSPEC>: Do not assert for PLT.
6708         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
6709         (cris_expand_prologue, cris_expand_epilogue): Check
6710         for pic_offset_table_rtx usage instead of taking
6711         current_function_uses_pic_offset_table as the final word.
6712         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
6713         Remove flag_pic difference.
6714         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
6715         the moral equivalents of...
6716         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
6717         functions.
6718         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
6719         (cris_handle_option): Mark ARG as unused.
6720         (cris_expand_pic_call_address): New worker function for "call",
6721         "call_value".
6722         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
6723         output PIC constructs here.
6724         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
6725         as symbol-specific modifers, not whole or part of operands.
6726         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
6727         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
6728         constants and flag_pic.
6729         (CONSTANT_INDEX_P): Adjust for new functions.
6730         (enum cris_pic_symbol_type): New helper type.
6731         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
6732         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
6733         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
6734         define_constants.
6735         ("movsi"): Emit actual instructions for GOT and relative access.
6736         ("*movsi_got_load"): New pattern to set up the register holding
6737         the GOT pointer.
6738         ("*movsi_internal"): Operand 1 is not a plain general_operand.
6739         Adjust FIXME for 'S'.
6740         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
6741         Use "movs" for -fpic cases.
6742         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
6743         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
6744         ("call", "call_value"): Just call cris_expand_pic_call_address for
6745         PIC addresses.
6746         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
6747         Remove special pattern.
6748         ("*expanded_call_side", "*expanded_call_value_side"): New
6749         patterns.
6750         (gotplt-to-plt, gotplt-to-plt-side-call)
6751         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
6752         peephole2:s.
6753         * config/cris/cris/predicates.md
6754         ("cris_general_operand_or_gotless_symbol"): Remove unused
6755         predicate.
6756         ("cris_general_operand_or_symbol"): Adjust for new functions.
6757
6758 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
6759
6760         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
6761
6762 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
6763
6764         * Makefile.in (TREE_H): Add treestruct.def.
6765         (c-decl.o): Add pointer-set.h
6766         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
6767         visibility on regular DECL's.
6768         (merge_decls): Fix the copying of decl nodes of various types for
6769         the new structures.  Don't update RTL, section name, weak status,
6770         etc, on DECL's without RTL.
6771         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
6772         Don't check volatile on non-variable types.
6773         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
6774         to check whether we have seen arguments.
6775         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
6776         flag is checked before field (flag is common, field is not).
6777         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
6778         TS_DECL_COMMON could have an origin.
6779         (add_location_or_const_value_attribute): Don't check section name
6780         on non-var/function decls.
6781         (dwarf2out_var_location): Reverse order of tests.
6782         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
6783         with DECL_WRTL_CHECK.
6784         * expmed.c (make_tree): rtl is now in decl_with_rtl.
6785         * fold-const.c (fold_binary): Don't check weakness on
6786         non-var/function decls.
6787         (tree_expr_nonzero_p): Ditto.
6788         (fold_checksum_tree): Use tree_decl_extra as sizeof
6789         buffer.
6790         * ggc-page.c (extra_order_size_table): Add sizes for
6791         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
6792         tree_field_decl.
6793         * gimplify.c (gimplify_bind_expr): Only set
6794         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
6795         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
6796         without RTL.
6797         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
6798         * langhooks.h (init_ts). New langhook.
6799         * passes.c (rest_of_decl_compilation): Reverse order of tests.
6800         * print-tree.c (print_node): Update to only print fields that
6801         exist in the structures the passed decl has.
6802         * toplev.c (wrapup_global_declarations): Don't reset
6803         DECL_DEFER_OUTPUT on DECL's that don't contain it.
6804         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
6805         * tree-inline.c (remap_decl): Ditto.
6806         * tree-outof-ssa.c (create_temp): Reverse order of tests.
6807         * tree-pretty-print.c (print_declaration): Don't print
6808         DECL_REGISTER on things that don't contain it.
6809         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
6810         non-var/function decls.
6811         * tree.c (tree_contains_struct): New structure.
6812         (init_priority_for_decl): New hashtable.
6813         (tree_int_map): New structure.
6814         (tree_int_map_eq): New function.
6815         (tree_int_map_marked_p): Ditto.
6816         (tree_int_map_hash): Ditto.
6817         (tree_map): Move to tree.h.
6818         (tree_map_eq): Externalize.
6819         (tree_map_hash): Ditto.
6820         (tree_map_marked_p): Ditto.
6821         (init_ttree): Set up tree_contains_struct and call langhook.
6822         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
6823         (tree_code_size): Update for new structures.
6824         (tree_node_structure): Update for new structures.
6825         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
6826         without the field.
6827         (copy_node_stat):  Copy init priority.
6828         (build_decl_stat): Ditto for visibility.
6829         (ts_enum_names): New.
6830         (tree_contains_struct_check_failed): New function.
6831         (decl_init_priority_lookup): Ditto.
6832         (decl_init_priority_insert): Ditto.
6833         * treestruct.def: New file.
6834         * tree.h (CODE_CONTAINS_STRUCT): New macro.
6835         (CONTAINS_STRUCT_CHECK): Ditto.
6836         (tree_contains_struct_check_failed): New prototype.
6837         (DECL_CHECK): Removed.
6838         (DECL_MINIMAL_CHECK): New.
6839         (DECL_COMMON_CHECK): Ditto.
6840         (DECL_WRTL_CHECK): Ditto.
6841         (DECL_NON_COMMON_CHECK): Ditto.
6842         (DECL_WITH_VIS_CHECK): Ditto.
6843         (VAR_OR_FUNCTION_DECL_P): Ditto
6844         (struct tree_decl_minimal): New structure.
6845         (struct tree_decl_common): Ditto.
6846         (struct tree_decl_with_rtl): Ditto.
6847         (struct tree_decl_with_vis): Ditto.
6848         (struct tree_decl_non_common): Ditto.
6849         (struct tree_field_decl): Ditto.
6850         (struct tree_parm_decl): Ditto.
6851         (struct tree_var_decl): Ditto.
6852         (struct tree_function_decl): Ditto.
6853         (struct tree_const_decl): Ditto.
6854         (struct tree_result_decl): Ditto.
6855         (union tree_node): Add new structures.
6856         * var-tracking.c (track_expr_p): Reverse order of tests.
6857
6858         * doc/c-tree.texi: Add documentation on DECL node internal structure.
6859
6860 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
6861
6862         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
6863         * system.h: Poison FINALIZE_PIC.
6864         * doc/tm.texi (FINALIZE_PIC): Remove.
6865
6866 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
6867
6868         PR tree-opt/22329
6869         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
6870         to the correct type if we have a MODIFY_EXPR.
6871
6872 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
6873
6874         PR tree-optimization/22360
6875         * tree.c (upper_bound_in_type): Fix calculations for casting
6876         to a non-wider signed type and casting a signed value to a
6877         wider unsigned type.
6878         (lower_bound_in_type): Fix calculations for casting to a
6879         non-wider signed type.
6880
6881         PR tree-optimization/20139
6882         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
6883         release_defs.
6884         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
6885         fold_cond_expr_cond.
6886         * tree-ssanames.c (release_defs): Assert in_ssa_p.
6887         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
6888
6889 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
6890
6891         PR tree-opt/22356
6892         * tree-complex.c (expand_complex_libcall): Produce
6893         REALPART_EXPR/IMAGPART_EXPR with the correct type.
6894
6895 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
6896
6897         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
6898         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
6899         b" assert and inserted fastpath code for this case.
6900         (bitmap_ior): Removed "a != b" assert.
6901
6902 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6903
6904         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
6905         (ENDFILE_SPEC): Likewise.
6906         * config/m32r/m32r.h (ASM_SPEC): Likewise.
6907
6908         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
6909         a large stack frame at epilogue.
6910
6911 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
6912
6913         * final.c: Include sdbout.h when required.
6914
6915 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
6916
6917         * config.gcc (*-*-darwin*): Only one target-specific header file
6918         for generic darwin.
6919         (powerpc-*-darwin*): Add version-specific header files.
6920         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
6921         * config.in: Regenerate.
6922         * configure: Regenerate.
6923         * gcc.c: Include xregex.h.
6924         (version_compare_spec_function): New.
6925         (spec_function): Add version-compare.
6926         (replace_outfile_spec_function): Reformat comment.
6927         (compare_version_strings): New.
6928         * config/darwin-c.c (version_as_macro): New.
6929         (builtin_define): New.
6930         (darwin_cpp_builtins): New.
6931         * config/darwin-protos.h (darwin_cpp_builtins): New.
6932         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
6933         (LIB_SPEC): Make unconditional, update comment.
6934         (TARGET_C99_FUNCTIONS): Define.
6935         * config/darwin.opt: Sort.
6936         (mmacosx-version-min=): New.
6937         * config/darwin7.h: Delete.
6938         * config/darwin8.h: Delete.
6939         * config/i386/darwin.h (): Call darwin_cpp_builtins.
6940         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
6941         (TARGET_C99_FUNCTIONS): Define.
6942         * config/rs6000/darwin7.h: New.
6943         * config/rs6000/darwin8.h: New.
6944         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
6945         (-mmacosx-version-min): Document.
6946
6947 2005-07-07  Ian Lance Taylor  <ian@airs.com>
6948
6949         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
6950
6951 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
6952
6953         PR middle-end/22239
6954         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
6955
6956 2005-07-07  Khem Raj  <kraj@mvista.com>
6957
6958         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
6959         in bytes, not words.
6960
6961 2005-07-07  Paul Brook  <paul@codesourcery.com>
6962
6963         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
6964         DEFAULT_FUNCTION_ARG_PADDING to upward.
6965
6966 2005-07-07  Richard Henderson  <rth@redhat.com>
6967
6968         * function.c (locate_and_pad_parm): Record parameter alignment in
6969         stack_alignment_needed.
6970
6971 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
6972
6973         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
6974         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
6975         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
6976         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
6977         (define_attr "type"): Add isync, sync, load_l, store_c.
6978         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
6979         Create scratch volatile MEM.
6980         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
6981         sync.
6982         (load_locked_<mode>): New.
6983         (store_conditional_<mode>): New.
6984         (sync_compare_and_swap<mode>): Replace with splitter.
6985         (sync_lock_test_and_set<mode>): Replace with splitter.
6986         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
6987         and UNSPECV_ISYNC.
6988         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
6989         is ics.  Attribute isync.
6990         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
6991         lwsync.
6992         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
6993         and UNSPECV_SYNC_OP.
6994         (emit_unlikely_jump): New.
6995         (emit_load_locked): New.
6996         (emit_store_conditional): New.
6997         (rs6000_split_compare_and_swap): New.
6998         (rs6000_split_lock_test_and_set): New.
6999         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
7000         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
7001         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
7002         rs6000_split_lock_test_and_set): Declare.
7003         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
7004         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
7005         store_c, isync, sync.
7006
7007 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
7008
7009         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
7010         filenames to gtyp-gen.h.
7011         (s-typ-gen): Use it in place of for loops.
7012
7013 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
7014
7015         * hooks.c (hook_bool_rtx_int_false): New function.
7016         * hooks.h (hook_bool_rtx_int_false): Declare.
7017         * target-def.h (TARGET_COMMUTATIVE_P): Define.
7018         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
7019         * target.h (struct gcc_target): Add commutative_p member.
7020         * targhooks.c (hook_bool_rtx_commutative_p): New function.
7021         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
7022         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
7023         (pa_commutative_p): New function.
7024         * jump.c (target.h): Include.
7025         (rtx_renumbered_equal_p): Use targetm.commutative_p.
7026         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
7027
7028 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
7029
7030         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
7031         (s390_expand_setmem): New.
7032         * config/s390/s390.c: Likewise.
7033         (print_shift_count_operand): Truncate to 12 bits instead of 6.
7034         Adapt comments.
7035         * config/s390/s390.md: ("setmem<mode>"): Accept character as
7036         general_operand.  Call new function "s390_expand_setmem".
7037         ("clrmem_long", "*clrmem_long"): Rewrite to ...
7038         ("setmem_long", "*setmem_long"): ... this.
7039
7040 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
7041
7042         * config/s390/s390.c: (optimization_options): Enable
7043         TARGET_MVCLE at -Os.
7044         * doc/invoke.texi: Document changes in default behaviour.
7045         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
7046
7047 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
7048
7049         * expr.c: (set_storage_via_setmem): Convert opchar to mode
7050         defined by back-end.
7051
7052 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
7053
7054         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
7055         all sets in the pattern.
7056         * config/rs6000/rs6000.md (stack_protect_testsi,
7057         stack_protect_testdi): Likewise.
7058
7059 2005-07-06  Jeff Law  <law@redhat.com>
7060
7061         * tree-vrp.c (simplify_using_ranges): Kill.
7062         (vrp_finalize): Remove call to simplify_using_ranges.
7063         (simplify_stmt_using_ranges): New function extracted from
7064         simplify_using_ranges.
7065         (simplify_div_or_mod_using_ranges): Likewise.
7066         (simplify_abs_using_ranges): Likewise.
7067         (simplify_cond_using_ranges): New function.
7068         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
7069         * tree-ssa-propagate.c (substitute_and_fold): Call
7070         simplify_stmt_using_ranges if we have range information.
7071
7072 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
7073
7074         * config/ia64/ia64.c (ia64_reorg): Check optimize before
7075         ia64_flag_schedule_isns2.
7076
7077         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
7078         reading/writing general registers.
7079         (ia64_function_arg): Revert 2005-06-18 change.
7080
7081 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
7082
7083         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
7084         (legitimize_tls_address): Use gcc_unreachable instead of abort.
7085
7086 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
7087
7088         * function.c (expand_function_end): Revert part of 2005-06-27
7089         patch.  Do sjlj_emit_function_exit_after after return_label.
7090
7091 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
7092
7093         * doc/install.texi (--disable-libssp): New.
7094
7095 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
7096
7097         * doc/invoke.texi: Update -fforce-mem documentation.
7098         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
7099         code for -fforce-mem.
7100         * expmed.c: (store_bit_field,store_fixed_bit_field,
7101         extract_bit_field): Ditto.
7102         * expr.c: (convert_move): Ditto.
7103         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
7104         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
7105         emit_conditional_add,expand_float,expand_fix): Ditto.
7106         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
7107         (common_handle_option): Issue warning when -fforce-mem specified.
7108
7109 2005-07-06  Paul Brook  <paul@codesourcery.com>
7110
7111         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
7112         argument is empty.
7113         * configure: Regenerate.
7114
7115 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
7116
7117         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
7118
7119 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
7120
7121         Fix PR tree-optimization/22319
7122         Fix PR tree-optimization/22140
7123         Fix PR tree-optimization/22310
7124
7125         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
7126         variable sized types.
7127         Use correct type for intermediate structure on *a = *b structure
7128         copies.
7129
7130 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
7131
7132         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
7133         Remove.
7134         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
7135         (machine_function): Move typedef to...
7136         * config/rs6000/rs6000.c (machine_function): ... here.  Add
7137         varargs_save_offset field.
7138         (rs6000_stack_t): Remove varargs_size field.
7139         (setup_incoming_varargs): Allocate varargs save area using
7140         assign_stack_local, try to make it as small as possible.
7141         Save offset from virtual_stack_vars_rtx to the save area
7142         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
7143         instead of magic 8 when fp word byte size is used.
7144         (rs6000_va_start): Use cfun->machine->varargs_save_offset
7145         instead of -RS6000_VARARGS_SIZE.
7146         (rs6000_stack_info, debug_stack_info,
7147         rs6000_initial_elimination_offset): Remove all traces of
7148         varargs_size.
7149         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
7150         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
7151         RS6000_VARARGS_AREA.
7152
7153 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
7154
7155         PR tree-optimization/21963
7156         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
7157         constant_multiple_of in the same way get_computation_cost_at does.
7158
7159 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
7160
7161         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
7162         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
7163         (gen_compare_reg): If sparc_compare_emitted is set, clear it
7164         and return its previous value.
7165         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
7166         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
7167         constants.
7168         (stack_protect_set, stack_protect_test): New expanders.
7169         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
7170         stack_protect_testdi): New insns.
7171         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7172         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
7173
7174 2005-07-06  Jeff Law  <law@redhat.com>
7175
7176         * tree-ssa-dce.c (cfg_altered): New global.
7177         (tree_dce_init): Initialize cfg_altered.
7178         (remove_dead_stmt): If we remove an edge in the CFG, then set
7179         CFG_ALTERED.
7180         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
7181         the dominators.
7182
7183 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
7184
7185         * Makefile.in (stamp-collect-ld): Use
7186         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
7187         ./collect-ld if it already exists.
7188         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
7189         Don't remove ./nm if it already exists.
7190
7191 2005-07-05  Devang Patel  <dpatel@apple.com>
7192
7193         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
7194         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
7195         * tree-vectorizer.c (vect_loop_location): New.
7196         (vect_print_dump_info): Use vect_loop_location.
7197         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
7198         (vectorize_loops): Set vect_loop_location.
7199         * tree-vect-analyze.c (vect_analyze_offset_expr,
7200         vect_determin_vectorization_factor, vect_analyze_operations,
7201         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
7202         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
7203         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
7204         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
7205         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
7206         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
7207         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
7208         vect_analyze_loop): Adjust vect_print_dump_info API.
7209         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
7210         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
7211         vect_finish_stmt_generation, vectorizable_assignment,
7212         vectorizable_operation, vectorizable_store, vectorizable_load,
7213         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
7214         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
7215         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
7216         vect_transform_loop): Same.
7217         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
7218         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
7219         Same.
7220
7221 2005-07-05  Randolph Chung  <tausq@debian.org>
7222
7223         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
7224         * configure: Regenerate.
7225         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
7226         (pa_tls_referenced_p): Declare.
7227         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
7228         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
7229         (legitimize_tls_address): New.
7230         (hppa_legitimize_address): Handle TLS addresses.
7231         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
7232         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
7233         (emit_move_sequence): Handle TLS addresses.
7234         (pa_encode_section_info): Call default handler to handle common
7235         sections.
7236         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
7237         (CONSTANT_ADDRESS_P): Reject TLS operands.
7238         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
7239         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
7240         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
7241         (UNSPEC_TLSLE): Define new constants.
7242         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
7243         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
7244         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
7245         (tie_symbolic_operand, tle_symbolic_operand): New
7246
7247 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
7248
7249         * aclocal.m4: Update macros for autoconf 2.59 style.
7250         * configure.ac: Likewise.
7251
7252 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7253
7254         * pa.c (function_value): Handle small aggregates on 32-bit targets.
7255         (function_arg): Pass small aggregates in general registers on 32-bit
7256         targets.
7257         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
7258
7259 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
7260
7261         * Makefile.in (final.o): Fix dependencies.
7262
7263 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
7264
7265         PR c/22013
7266         PR c/22098
7267         * langhooks.h (struct lang_hooks): Add expr_to_decl.
7268         * langhooks.c (lhd_expr_to_decl): New.
7269         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
7270         New.
7271         (LANG_HOOKS_INITIALIZER): Update.
7272         * tree.c (recompute_tree_invarant_for_addr_expr): Call
7273         expr_to_decl langhook.
7274         * c-tree.h (c_expr_to_decl): Declare.
7275         * c-typeck.c (c_expr_to_decl): New.
7276         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
7277         specially.
7278         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
7279
7280 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
7281
7282         PR c/22308
7283         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
7284         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
7285
7286 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
7287
7288         * Makefile.in: Adjust dependencies.
7289         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
7290         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
7291         * alias.c (rest_of_handle_cfg, pass_cfg): New.
7292         * bb-reorder.c (duplicate_computed_gotos): Make it static.
7293         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
7294         rest_of_compilation.
7295
7296         * bb-reorder.c (gate_duplicate_computed_gotos,
7297         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
7298         rest_of_handle_reorder_blocks, pass_reorder_blocks,
7299         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
7300         pass_partition_blocks): New.
7301         * bt-load.c (gate_handle_branch_target_load_optimize,
7302         rest_of_handle_branch_target_load_optimize,
7303         pass_branch_target_load_optimize): New.
7304         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
7305         pass_jump2): New.
7306         * cfglayout.c (pass_insn_locators_initialize): New.
7307         * cfgrtl.c (pass_free_cfg): New.
7308         * combine.c (gate_handle_combine, rest_of_handle_combine,
7309         pass_combine): New.
7310         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
7311         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
7312         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
7313         * except.c (pass_set_nothrow_function_flags,
7314         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
7315         pass_rtl_eh): New.
7316         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
7317         rest_of_handle_shorten_branches, pass_shorten_branches,
7318         rest_of_clean_state, pass_clean_state): New.
7319         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
7320         rest_of_handle_remove_death_notes, pass_remove_death_notes,
7321         rest_of_handle_life, pass_life, rest_of_handle_flow2,
7322         pass_flow2): New.
7323         * function.c (pass_instantiate_virtual_regs, pass_init_function,
7324         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
7325         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
7326         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
7327         pass_gcse): New.
7328         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
7329         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
7330         pass_rtl_ifcvt, gate_handle_if_after_combine,
7331         rest_of_handle_if_after_combine, pass_if_after_combine,
7332         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
7333         pass_if_after_reload): New.
7334         * integrate.c (pass_initial_value_sets): New.
7335         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
7336         pass_purge_lineno_notes): New.
7337         * mode-switching.c (rest_of_handle_mode_switching,
7338         pass_mode_switching): New.
7339         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
7340         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
7341         pass_loop2): New.
7342         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
7343         pass_loop_optimize): New.
7344         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
7345         pass_sms): New.
7346         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
7347         pass_gcse2): New.
7348         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
7349         pass_postreload_cse): New.
7350         * profile.c (gate_handle_profiling, pass_profiling,
7351         rest_of_handle_branch_prob, pass_branch_prob): New.
7352         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
7353         pass_split_before_regstack, gate_handle_split_before_regstack,
7354         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
7355         rest_of_handle_split_all_insns, pass_split_all_insns): New.
7356         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
7357         pass_stack_regs): New.
7358         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
7359         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
7360         pass_stack_adjustments): New.
7361         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
7362         pass_regrename): New.
7363         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
7364         pass_delay_slots, gate_handle_machine_reorg,
7365         rest_of_handle_machine_reorg, pass_machine_reorg): New.
7366         * rtl.h (extern void purge_line_number_notes): New.
7367         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
7368         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
7369         pass_sched2): New.
7370         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
7371         pass_tracer): New.
7372         * value-prof.c (gate_handle_value_profile_transformations,
7373         rest_of_handle_value_profile_transformations,
7374         pass_value_profile_transformations): New.
7375         * var-tracking.c (gate_handle_var_tracking,
7376         pass_variable_tracking): New.
7377         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
7378
7379         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
7380         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
7381         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
7382         rest_of_handle_old_regalloc, rest_of_handle_regrename,
7383         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
7384         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
7385         rest_of_handle_gcse2, rest_of_handle_regmove,
7386         rest_of_handle_tracer, rest_of_handle_if_conversion,
7387         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
7388         rest_of_handle_web, rest_of_handle_branch_prob,
7389         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
7390         rest_of_handle_jump_bypass, rest_of_handle_combine,
7391         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
7392         rest_of_handle_gcse, rest_of_handle_loop_optimize,
7393         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
7394         rest_of_handle_mode_switching, rest_of_handle_jump,
7395         rest_of_handle_eh, rest_of_handle_stack_adjustments,
7396         rest_of_handle_flow2, rest_of_handle_jump2,
7397         rest_of_handle_peephole2, rest_of_handle_postreload,
7398         rest_of_handle_shorten_branches, rest_of_clean_state,
7399         rest_of_compilation): Remove.
7400
7401         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
7402         * passes.c (dump_flags, in_gimple_form, all_passes,
7403         all_ipa_passes, all_lowering_passes, register_one_dump_file,
7404         register_dump_files, next_pass_1, last_verified, execute_todo,
7405         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
7406         from tree-optimize.c.
7407         (init_optimization_passes): Moved from tree-optimize.c,
7408         adding the RTL optimizations.
7409         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
7410         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
7411         all_ipa_passes, all_lowering_passes, register_one_dump_file,
7412         register_dump_files, next_pass_1, last_verified, execute_todo,
7413         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
7414         init_tree_optimization_passes, ipa_passes): Delete.
7415         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
7416         the RTL dumps.
7417         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
7418         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
7419         from tree.h.
7420         (ipa_passes): Remove.
7421         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
7422         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
7423         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
7424         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
7425         (dump_info_p, dump_flag): Moved to tree-dump.h.
7426
7427         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
7428         cgraph.c, opts.c.
7429         * passes.c (finish_optimization_passes): Use dump_begin
7430         and dump_end, TDI_end.
7431         (gate_rest_of_compilation): New.
7432         (pass_rest_of_compilation): Use it.
7433         (gate_postreload, pass_postreload): New.
7434         * toplev.c (general_init): Rename init_tree_optimization_passes.
7435         * toplev.h (init_tree_optimization_passes): Rename to
7436         init_optimizations_passes.
7437         * tree-dump.c (dump_flag): Make static.
7438         (dump_files): Remove RTL dumps.
7439         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
7440         pass_cleanup_cfg, pass_free_cfg_annotations,
7441         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
7442         pass_init_datastructures, pass_fixup_cfg): Make non-static.
7443         * tree-pretty-print.c: Include tree-pass.h.
7444         * cgraph.c: Include tree-dump.h.
7445
7446 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
7447
7448         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
7449         Only fall back to saying it points to readonly memory if
7450         we can't do better.
7451
7452 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
7453
7454         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
7455         * config/m32r/m32r.c (m32r_compute_frame_size,
7456         m32r_expand_prologue): Take current_function_profile into
7457         account whenever we reference
7458         current_function_uses_pic_offset_table.
7459         (m32r_finalize_pic): Remove.
7460         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
7461
7462 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
7463
7464         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
7465         instead of $<.  Don't remove ./as if it already exists.
7466
7467 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7468
7469         PR target/21723
7470         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
7471         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
7472         for complex modes when generating code for PA 1.0.
7473         (VALID_FP_MODE_P): New macro.
7474         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
7475         sets for all general and floating point modes.  Align wide floating
7476         point modes to even register boundaries to comply with architectural
7477         requirements.
7478         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
7479         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
7480         (VALID_FP_MODE_P): New macro.
7481         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
7482         sets for all general and floating point modes.  Align wide floating
7483         point modes to even register boundaries to comply with architectural
7484         requirements.
7485
7486 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
7487
7488         * tree-dump.c (dump_files): Initialize dump number for .cgraph
7489         to 0.
7490
7491 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
7492
7493         * tree-ssa-structalias.c: Don't include expr.h.
7494
7495 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
7496
7497         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
7498         comments.
7499
7500 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
7501
7502         Fix PR tree-optimization/22279
7503
7504         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
7505         correct operator.
7506
7507 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
7508
7509         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
7510
7511 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
7512
7513         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
7514         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
7515         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
7516         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
7517         config/stormy16/stormy16.c, config/v850/v850.c,
7518         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
7519         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
7520         Avoid "." or "\n" at end of diagnostics and capital letters at
7521         start of diagnostics.
7522         * combine.c, cse.c: Don't translate dump file output.
7523         * toplev.c (print_version): Only translate output if going to
7524         stderr.
7525
7526 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
7527
7528         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
7529         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
7530         typos.
7531
7532 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7533
7534         * pa.c (fix_range): Fix typo in comment.
7535
7536 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
7537
7538         * tree-vrp.c (extract_range_from_assert): Replace
7539         fold (build (...)) with fold_build2.
7540
7541 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7542
7543         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
7544         gcc_gfc_char_table, init_dynamic_gfc_info): New.
7545         (format_types_orig, handle_format_attribute): Add support for
7546         format "gcc_gfc".
7547
7548 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
7549
7550         * varasm.c (assemble_variable): Fix format specifier thinko.
7551
7552 2005-07-03  Ira Rosen  <irar@il.ibm.com>
7553
7554         PR tree-optimization/22029 (and 22135)
7555         * tree-pretty-print.c (dump_generic_node): Check that the node is not
7556         a phi node before calling dump_vops.
7557
7558 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
7559
7560         * tree-dump.h (dump_string_field): Declare.
7561         * tree-dump.c: Use it instead of dump_string.
7562         (dump_string_field): Make non-static.
7563
7564 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
7565
7566         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
7567         up the minimal CFG stuff always when optimize > 0.  Call
7568         split_all_insns_noflow in PIC case if needed.
7569
7570 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
7571             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
7572
7573         PR c++/18279
7574         * c-decl.c (c_write_global_declarations): Dump contents of
7575         external scope to.
7576         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
7577         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
7578         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
7579         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
7580         is enabled.
7581
7582 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
7583
7584         * c-common.h (GCC_DIAG_STYLE): Define.
7585         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
7586         version for format checking to 4.1.
7587         * c-format.c: Include toplev.h after c-common.h.
7588         (enum format_type): Add gcc_tdiag_format_type.
7589         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
7590         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
7591         (format_types_orig): Add gcc_tdiag.
7592         (init_dynamic_diag_info): Support gcc_tdiag formats.
7593         (handle_format_attribute): Likewise.
7594         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
7595         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
7596         version for format checking to 4.1.
7597         (warning0, warning, error, pedwarn, sorry): Use
7598         ATTRIBUTE_GCC_DIAG.
7599         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
7600         (finish_aliases_1): Do not use %qE.
7601         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
7602         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
7603         Correct format bugs.
7604         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
7605         parameter to unsigned HOST_WIDE_INT.
7606         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
7607
7608 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
7609
7610         PR middle-end/21742
7611         * expr.c (write_complex_part): Use adjust_address for MEM.
7612         (read_complex_part): Same.
7613
7614 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
7615
7616         Fix PR tree-optimization/22280
7617
7618         * tree-sra.c (generate_element_init): Remove useless loop.
7619
7620 2005-07-02  Richard Henderson  <rth@redhat.com>
7621
7622         * config/alpha/alpha.c (alpha_legitimize_address): Check for
7623         TLS_MODEL_NONE.
7624         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
7625
7626 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
7627
7628         PR middle-end/14490
7629         * fold-const.c (fold_binary): Handle the return value of
7630         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
7631         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
7632
7633 2005-07-02  Jeff Law  <law@redhat.com>
7634
7635         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
7636         a eliminate type conversion which feeds an equality comparison
7637         if the original type or either operand in the comparison is a
7638         function pointer.
7639
7640 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
7641
7642         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
7643         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
7644         texts.
7645         * config/avr/avr.c: Do not use '`' as left quote.
7646         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
7647         Remove "." from end of diagnostics.  Make diagnostics start with
7648         lowercase letter.
7649
7650 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
7651             Joseph S. Myers  <joseph@codesourcery.com>
7652
7653         * toplev.c (default_tree_printer): Handle setting location with
7654         '+' flag.
7655         * c-objc.common.c (c_tree_printer): Likewise.
7656         * c-format.c (gcc_diag_flag_specs): Add '+'.
7657         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
7658         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
7659         formats.
7660         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
7661         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
7662         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
7663         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
7664         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
7665         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
7666         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
7667         format arguments where %J is used without %D.
7668
7669 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
7670
7671         * gcc.c (LINK_SSP_SPEC): Define.
7672         (link_ssp_spec): New variable.
7673         (LINK_COMMAND_SPEC): Add %(link_ssp).
7674         (static_specs): Add link_ssp_spec.
7675         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
7676         * configure: Rebuilt.
7677         * config.in: Rebuilt.
7678
7679         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7680         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
7681         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
7682         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
7683         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
7684         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
7685         -0x7008(2) instead of reading __stack_chk_guard variable.
7686         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
7687         number.
7688         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
7689         (stack_protect_set, stack_protect_test): Use *_tls* patterns
7690         if TARGET_THREAD_SSP_OFFSET is defined.
7691         (stack_tls_protect_set_si, stack_tls_protect_set_di,
7692         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
7693
7694         Revert:
7695         2005-06-27  Richard Henderson  <rth@redhat.com>
7696         * libgcc-std.ver (GCC_4.1.0): New.
7697         * libgcc.h (__stack_chk_guard): Declare.
7698         (__stack_chk_fail, __stack_chk_fail_local): Declare.
7699         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
7700         * mklibgcc.in (lib2funcs): Add them.
7701
7702 2005-07-01  Richard Henderson  <rth@redhat.com>
7703
7704         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
7705         void * before struct sigcontext *.
7706         (x86_fallback_frame_state): Likewise.
7707
7708 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
7709
7710         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
7711
7712 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
7713
7714         PR tree-opt/22269
7715         * tree-ssa-reassoc.c (should_transpose): Fix which operand
7716         we check for SSA_NAME for.
7717
7718 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
7719
7720         Fix PR tree-optimization/22071
7721
7722         * tree-ssa-structalias.c (offset_overlaps_with_access): New
7723         function.
7724         (get_constraint_for_component_ref): Use it.
7725
7726 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
7727
7728         PR other/22264
7729         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
7730         print out the last new line.
7731
7732 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
7733
7734         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
7735         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
7736         * config/cris/cris.c (cris_conditional_register_usage): Adjust
7737         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
7738         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
7739         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
7740         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
7741         (enum reg_class): New member CC0_REGS.
7742         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
7743         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
7744         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
7745         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
7746         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
7747         Adjust for register now described.
7748
7749 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
7750
7751         PR target/22262
7752         * config/i386/i386.md (stack_protect_test_si,
7753         stack_protect_test_di): Add earlyclobber for scratch 3.
7754         * config/rs6000/rs6000.md (stack_protect_testsi,
7755         stack_protect_testdi): Add earlyclobber for scratch 3,
7756         remove earlyclobber from scratch 4.
7757
7758 Older entries for 2005 can be found in ChangeLog-2005.