gcc/ChangeLog

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