gcc/ChangeLog

   1 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
   2
   3         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
   4         to their natural alignment to avoid store forwarding stalls.
   5
   6 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
   7
   8         PR target/27946
   9         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
  10         encouraging but not allowing gprs for input;
  11         change the input constraint to !f#r.
  12         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
  13         gprs for output;
  14         change the output constraint to !f#r.
  15
  16 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
  17
  18         PR target/13958
  19         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
  20         corresponding post-reload splitters.
  21         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
  22         when x87 FP math is selected.
  23         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
  24         New function prototype.
  25         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
  26         unreachable function to ease macroization of insn patterns.
  27
  28 2008-03-21  Martin Jambor  <mjambor@suse.cz>
  29
  30         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
  31         reference dumps if ddr is NULL or dependence is unknown.
  32
  33 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
  34
  35         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
  36         unsigned extension into account.
  37         (ATOMIC_COMPARE_AND_SWAP): Likewise.
  38         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
  39         Do computations on a scratch register.
  40
  41 2008-03-21  Richard Guenther  <rguenther@suse.de>
  42
  43         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
  44         Use is_gimple_min_invariant instead of TREE_INVARIANT.
  45         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
  46         * tree-ssa-dom.c (record_equality): Likewise.
  47         * tree-inline.c (copy_body_r): Likewise.
  48         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
  49         TREE_INVARIANT.
  50
  51 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
  52
  53         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
  54         as 'delete_unused' argument.
  55
  56 2008-03-20  Richard Guenther  <rguenther@suse.de>
  57
  58         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
  59         special casing of constant qualifiers.
  60         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
  61         care about them in general.
  62         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
  63         regardless of their type.
  64         (fold_stmt_r): Forcefully fold *& if we end up with that.
  65
  66 2008-03-20  Paul Brook  <paul@codesourcery.com>
  67
  68         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
  69         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
  70         linker flags.
  71         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
  72         definition.
  73         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
  74         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
  75
  76 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
  77
  78         * common.opt (Wmudflap): New option.
  79         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
  80         (mx_register_decls): Likewise.
  81         (mudflap_finish_file): Likewise.
  82         * doc/invoke.texi: Document -Wno-mudflap.
  83
  84 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
  85
  86         * c-format.c (replace_format_name_to_system_name): New.
  87         (cmp_attribs): New.
  88         (convert_format_name_to_system_name): New.
  89         (decode_format_attr): Add use of convert_format_name_to_system_name.
  90         (format_types_orig): Add gnu_ prefix to names.
  91         (check_format_info_main): Special treating of \0 escaped names for
  92         supporting multi-character format specifiers as I32, I64.
  93         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
  94         (gnu_target_overrides_format_attributes): New.
  95         * c-format.h: Add structure target_ovr_attr to hold
  96         system specific formatter names.
  97         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
  98         msformat-c.o file to c_target_objs and cxx_target_objs.
  99         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
 100         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
 101         (TARGET_N_FORMAT_TYPES): New.
 102         * config/i386/msformat-c.c: New.
 103         * config/i386/t-cygming: Add build rule for msformat-c.o.
 104         * doc/extend.texi: Add new format names gnu_* and ms_* and
 105         further details.
 106         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
 107
 108 2008-03-20  Ira Rosen  <irar@il.ibm.com>
 109
 110         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
 111         optimizations turned on under -O3.
 112         (ftree-vectorize): Add that the flag is turned on with -O3.
 113
 114 2008-03-20  Ben Elliston  <bje@au.ibm.com>
 115
 116         * regmove.c (try_auto_increment): Fix spelling error in comment.
 117         * final.c (final_scan_insn): Likewise.
 118
 119 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
 120
 121         PR target/14552
 122         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
 123         allocator preferences for "y" and "r" class registers.
 124         ("*mov<mode>_internal"): Ditto.
 125         ("*movv2sf_internal_rex64"): Ditto.
 126         ("*movv2sf_internal"): Ditto.
 127
 128 2008-03-19  Michael Matz  <matz@suse.de>
 129
 130         PR middle-end/35616
 131         * calls.c (expand_call): Check overlap of arguments with call
 132         address for sibcalls.
 133
 134 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
 135
 136         PR target/35496
 137         * stor-layout.c (update_alignment_for_field): Set minimum alignment
 138         of the underlying type of a MS bitfield layout to the natural
 139         alignment of the type.
 140
 141 2008-03-19  Jan Hubicka  <jh@suse.cz>
 142
 143         PR other/35094
 144         * toplev.c (decode_d_option): Handle all CPP flags.
 145         * tree-vrp.c: Update tree_pass descriptors.
 146         * regrename.c: Update tree_pass descriptors.
 147         * fwprop.c: Update tree_pass descriptors.
 148         * doc/invoke.texi: Remove documentation of dropped -d? flags.
 149         * tree-into-ssa.c: Update tree_pass descriptors.
 150         * tree-dump.c: Update tree_pass descriptors.
 151         * tree-complex.c: Update tree_pass descriptors.
 152         * tree-dump.h: Update tree_pass descriptors.
 153         * see.c: Update tree_pass descriptors.
 154         * cgraphbuild.c: Update tree_pass descriptors.
 155         * tracer.c: Update tree_pass descriptors.
 156         * tree-loop-distribution.c: Update tree_pass descriptors.
 157         * cgraph.c: Update tree_pass descriptors.
 158         * postreload-gcse.c: Update tree_pass descriptors.
 159         * postreload.c: Update tree_pass descriptors.
 160         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
 161         * tree-tailcall.c: Update tree_pass descriptors.
 162         * tree-pass.h (tree_opt_pass): Rename to ...
 163         (opt_pass) ... this one; add "type" field and remove letter field.
 164         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
 165         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
 166         all_lowering_passes): Update declaration.
 167         * ipa-cp.c: Update tree_pass descriptors.
 168         * final.c: Update tree_pass descriptors.
 169         * omp-low.c: Update tree_pass descriptors.
 170         * tree-ssa-dse.c: Update tree_pass descriptors.
 171         * ipa-reference.c: Update tree_pass descriptors.
 172         * tree-ssa-uncprop.c: Update tree_pass descriptors.
 173         * auto-inc-dec.c: Update tree_pass descriptors.
 174         * reorg.c: Update tree_pass descriptors.
 175         * cgraphunit.c: Update tree_pass descriptors.
 176         * tree-ssa-copyrename.c: Update tree_pass descriptors.
 177         * tree-ssa-ccp.c: Update tree_pass descriptors.
 178         * df-core.c: Update tree_pass descriptors.
 179         * mode-switching.c: Update tree_pass descriptors.
 180         * tree-nomudflap.c: Update tree_pass descriptors.
 181         * modulo-sched.c: Update tree_pass descriptors.
 182         * ipa-pure-const.c: Update tree_pass descriptors.
 183         * cse.c: Update tree_pass descriptors.
 184         * web.c: Update tree_pass descriptors.
 185         * tree-stdarg.c: Update tree_pass descriptors.
 186         * tree-ssa-math-opts.c: Update tree_pass descriptors.
 187         * tree-ssa-dom.c: Update tree_pass descriptors.
 188         * tree-nrv.c: Update tree_pass descriptors.
 189         * tree-ssa-alias.c: Update tree_pass descriptors.
 190         * loop-init.c: Update tree_pass descriptors.
 191         * gimple-low.c: Update tree_pass descriptors.
 192         * ipa-inline.c: Update tree_pass descriptors.
 193         * tree-ssa-sink.c: Update tree_pass descriptors.
 194         * global.c: Update tree_pass descriptors.
 195         * ifcvt.c: Update tree_pass descriptors.
 196         * jump.c: Update tree_pass descriptors.
 197         * predict.c: Update tree_pass descriptors.
 198         * tree-ssa-loop.c: Update tree_pass descriptors.
 199         * recog.c: Update tree_pass descriptors.
 200         * dse.c: Update tree_pass descriptors.
 201         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
 202         * tree-eh.c: Update tree_pass descriptors.
 203         * regmove.c: Update tree_pass descriptors.
 204         * local-alloc.c
 205         * function.c: Update tree_pass descriptors.
 206         * tree-vectorizer.c: Update tree_pass descriptors.
 207         * gcse.c: Update tree_pass descriptors.
 208         * ipa-type-escape.c: Update tree_pass descriptors.
 209         * tree-if-conv.c: Update tree_pass descriptors.
 210         * init-regs.c: Update tree_pass descriptors.
 211         * ipa.c: Update tree_pass descriptors.
 212         * tree-ssa-phiopt.c: Update tree_pass descriptors.
 213         * rtl-factoring.c: Update tree_pass descriptors.
 214         * lower-subreg.c: Update tree_pass descriptors.
 215         * bt-load.c: Update tree_pass descriptors.
 216         * tree-dfa.c: Update tree_pass descriptors.
 217         * except.c: Update tree_pass descriptors.
 218         * emit-rtl.c: Update tree_pass descriptors.
 219         * cfgexpand.c: Update tree_pass descriptors.
 220         * tree-cfgcleanup.c: Update tree_pass descriptors.
 221         * cfgcleanup.c: Update tree_pass descriptors.
 222         * tree-ssa-pre.c: Update tree_pass descriptors.
 223         * tree-sra.c: Update tree_pass descriptors.
 224         * tree-mudflap.c: Update tree_pass descriptors.
 225         * tree-ssa-copy.c: Update tree_pass descriptors.
 226         * cfglayout.c: Update tree_pass descriptors.
 227         * tree-ssa-forwprop.c: Update tree_pass descriptors.
 228         * tree-ssa-dce.c: Update tree_pass descriptors.
 229         * tree-ssa.c: Update tree_pass descriptors.
 230         * regclass.c: Update tree_pass descriptors.
 231         * integrate.c: Update tree_pass descriptors.
 232         * tree-optimize.c: Update tree_pass descriptors.
 233         * tree-ssa-phiprop.c: Update tree_pass descriptors.
 234         * tree-object-size.c: Update tree_pass descriptors.
 235         * combine.c: Update tree_pass descriptors.
 236         * tree-outof-ssa.c: Update tree_pass descriptors.
 237         * bb-reorder.c: Update tree_pass descriptors.
 238         * stack-ptr-mod.c: Update tree_pass descriptors.
 239         * var-tracking.c: Update tree_pass descriptors.
 240         * tree-profile.c: Update tree_pass descriptors.
 241         * tree-vect-generic.c: Update tree_pass descriptors.
 242         * reg-stack.c: Update tree_pass descriptors.
 243         * sched-rgn.c: Update tree_pass descriptors.
 244         * tree-ssa-structalias.c: Update tree_pass descriptors.
 245         * tree-cfg.c: Update tree_pass descriptors.
 246         * passes.c (current_pass): Update declaration.
 247         (finish_optimization_passes): Update.
 248         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
 249         (register_one_dump_file, register_dump_files_1, next_pass_1):
 250         Update arguments.
 251         (init_optimization_passes): Update handling of new types.
 252         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
 253         * ipa-struct-reorg.c: Update tree_pass descriptors.
 254         * tree-ssa-reassoc.c: Update tree_pass descriptors.
 255         * combine-stack-adj.c: Update tree_pass descriptors.
 256         * cfgrtl.c: Update tree_pass descriptors.
 257         * dce.c: Update tree_pass descriptors.
 258         * tree-ssanames.c: Update tree_pass descriptors.
 259
 260 2008-03-19  Richard Guenther  <rguenther@suse.de>
 261
 262         PR middle-end/35609
 263         * tree-ssa.c (always_executed): New global flag.
 264         (warn_uninitialized_var): If !always_executed warn with "maybe"
 265         instead of "is".
 266         (execute_early_warn_uninitialized): Compute post-dominators.
 267         Initialize always_executed before processing each basic block.
 268
 269 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
 270
 271         PR target/35504
 272         * config/i386/i386.c (x86_this_parameter): Calculate correct location
 273         of "this" pointer when "regparm = N" or "fastcall" is in effect.
 274
 275 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 276
 277         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
 278
 279 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
 280
 281         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
 282         is true.
 283         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
 284         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
 285         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
 286         target after ignore has been set, and move there also the commputation
 287         of subtarget and original_target.
 288         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
 289         (LANG_HOOKS_INITIALIZER): Remove it.
 290         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
 291
 292 2008-03-18  Richard Guenther  <rguenther@suse.de>
 293
 294         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
 295         found an expression with constants, note that in the VN for the lhs.
 296         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
 297         fold them to constants if possible.  Run cleanup_cfg if done so.
 298         (execute_pre): Return todo.
 299         (do_pre): Likewise.
 300         (execute_fre): Likewise.
 301         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
 302         of constants.
 303         (get_prop_source_stmt): Look through pointer conversions.
 304
 305 2008-03-18  Jan Hubicka  <jh@suse.cz>
 306
 307         * tree-pretty-print.c: Include predict.h.
 308         (dump_generic_node): Dump predictor.
 309         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
 310         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
 311         * gimple-low.c (lower_stmt): Likewise.
 312         * expr.c (expand_expr_real): Likewise.
 313         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
 314         them.
 315         (build_predict_expr, build_predict_expr): New.
 316         * predict.h (predictor_name, build_predict_expr): Update.
 317         * c-typeck.c (c_finish_bc_stmt): Add prediction.
 318         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
 319         * predict.def (PRED_CONTINUE): Update hitrate.
 320         * tree.def (PREDICT_EXPR): Define.
 321         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
 322         do not handle BIND_EXPR.
 323         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
 324         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
 325         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
 326         operands.
 327
 328 2008-03-18  Michael Matz  <matz@suse.de>
 329
 330         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
 331
 332 2008-03-18  Richard Guenther  <rguenther@suse.de>
 333
 334         * tree-gimple.h (is_gimple_invariant_address): Declare.
 335         (is_gimple_constant): Likewise.
 336         * tree-gimple.c (is_gimple_constant): New function.
 337         (is_gimple_invariant_address): Likewise.
 338         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
 339         and is_gimple_invariant_address.
 340         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
 341         previous change.
 342         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
 343         an addressable base.
 344
 345 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
 346
 347         PR middle-end/35611
 348         * gimplify.c (gimplify_expr): Gimplify second operand of
 349         OMP_ATOMIC_LOAD.
 350
 351 2008-03-17  Richard Guenther  <rguenther@suse.de>
 352
 353         PR tree-optimization/19637
 354         * fold-const.c (fold_unary): Remove restrictions of removing
 355         intermediate pointer-conversions (P2)(P1)P0.
 356         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
 357         conversion to void pointer.
 358         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
 359
 360 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
 361
 362         PR debug/31510
 363         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
 364         emulated thread local variables.
 365
 366 2008-03-16  Richard Guenther  <rguenther@suse.de>
 367
 368         PR middle-end/35607
 369         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
 370         expand TREE_INVARIANT operations that are not gimple invariant.
 371
 372 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
 373
 374         * doc/extend.texi (Alignment): Say that the ABI controls
 375         the __alignof__ for non-strict-alignment targets rather
 376         than being a recommendation.
 377
 378 2008-03-15  Paul Brook  <paul@codesourcery.com>
 379
 380         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
 381         annotations.
 382         (arm_output_fn_unwind): Mark functions that can not be unwound.
 383
 384 2008-03-15  Paul Brook  <paul@codesourcery.com>
 385
 386         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
 387         extension instructions.
 388
 389 2008-03-15  Richard Guenther  <rguenther@suse.de>
 390
 391         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
 392         and fold constant aggregate refs.
 393         (fold_const_aggregate_ref): Handle string constants
 394         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
 395         (evaluate_stmt): Simplify now that ccp_fold folds constant
 396         aggregate refs.
 397
 398 2008-03-15  Paul Brook  <paul@codesourcery.com>
 399
 400         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
 401         (extzv): Use gen_extzv_t2.
 402         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
 403
 404 2008-03-15  Richard Guenther  <rguenther@suse.de>
 405
 406         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
 407         (fold_const_aggregate_ref): Likewise.
 408         (get_value): Return NULL if we don't have any values.
 409         (ccp_finalize): Set const_val to NULL after freeing it.
 410         * tree-flow.h (get_symbol_constant_value): Declare.
 411         (fold_const_aggregate_ref): Likewise.
 412         * tree-ssa-sccvn.c (try_to_simplify): Use them.
 413
 414 2008-03-15  Richard Guenther  <rguenther@suse.de>
 415
 416         PR middle-end/35593
 417         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
 418         to not produce negative array indices if not allowed.  Add
 419         parameter to indicate that.
 420         (maybe_fold_offset_to_component_ref): Allow negative array
 421         indices only for the first member of a structure.
 422         (maybe_fold_offset_to_reference): Allow negative array indices.
 423         (maybe_fold_stmt_addition): Likewise.
 424
 425 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
 426             Anatoly Sokolov <aesok@post.ru>
 427
 428         * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
 429         (avr_arch): Add ARCH_AVR6.
 430         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
 431         (initial_elimination_offset): Initialize and use 'avr_pc_size'
 432         instead of fixed value 2.
 433         (print_operand_address): Use gs() asm specifier instead of pm().
 434         (avr_assemble_integer): (Ditto.).
 435         (avr_output_addr_vec_elt): (Ditto.).
 436         (print_operand): Handle "!" code.
 437         * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
 438         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
 439         (AVR_HAVE_EIJMP_EICALL): Define.
 440         (AVR_3_BYTE_PC): Redefine.
 441         (AVR_2_BYTE_PC): (Ditto.).
 442         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
 443         (LINK_SPEC): Add atmega2560 and atmega2561.
 444         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
 445         (crtm2561.o).
 446         * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall
 447         for 3 byte PC devices.
 448         (call_value_insn): (Ditto.).
 449         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
 450         (indirect_jump): Use only for for 2 byte PC devices.
 451         (*tablejump): (Ditto.).
 452         (*indirect_jump_avr6): Add insn.
 453         (*tablejump_rjmp): Don't use for 3 byte PC devices.
 454         * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp
 455         instead of ijmp for 3 byte PC devices.
 456         (__tablejump2__): (Ditto.).
 457         * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
 458         (MULITLIB_DIRNAMES): (Ditto.).
 459         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
 460
 461 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
 462
 463         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
 464         "sse2_umulsidi3".  Use V1DI mode for operand 0.
 465         ("mmx_psadbw"): Use V1DI mode for operand 0.
 466         * config/i386/i386-modes.def (V1SI): New vector mode.
 467         * config/i386/i386.c (struct builtin_description)
 468         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
 469         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
 470         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
 471         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
 472         v1di_ftype_v8qi_v8qi type.
 473         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
 474
 475         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
 476         __builtin_ia32_pmuludq]: Fix the mode of return value.
 477
 478 2008-03-15  Richard Guenther  <rguenther@suse.de>
 479
 480         PR middle-end/35595
 481         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
 482         being a PHI_NODE.
 483
 484 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
 485
 486         * doc/invoke.texi (Option Summary, Xtensa Options): Document
 487         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
 488         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
 489         unless TARGET_SERIALIZE_VOLATILE is enabled.
 490         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
 491         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
 492         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
 493
 494 2008-03-14  Richard Guenther  <rguenther@suse.de>
 495
 496         PR tree-optimization/34172
 497         * tree-flow.h (refs_may_alias_p): Declare.
 498         (get_single_def_stmt): Likewise.
 499         (get_single_def_stmt_from_phi): Likewise.
 500         (get_single_def_stmt_with_phi): Likewise.
 501         * tree-dfa.c (refs_may_alias_p): New function.
 502         (get_single_def_stmt): Likewise.
 503         (get_single_def_stmt_from_phi): Likewise.
 504         (get_single_def_stmt_with_phi): Likewise.
 505         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
 506         (vn_reference_lookup_1): New helper function.
 507         (vn_reference_lookup): Walk the virtual use-def chain to
 508         continue searching for a match if the def does not alias the
 509         reference we are looking for.
 510
 511 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
 512
 513         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
 514         archive and Perzl.  Update The Written Word listing.
 515
 516 2008-03-14  Richard Guenther  <rguenther@suse.de>
 517
 518         PR tree-optimization/34043
 519         PR tree-optimization/33989
 520         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
 521         when doing FRE.
 522         (bitmap_find_leader): Use extra argument to verify dominance
 523         relationship inside a basic-block.
 524         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
 525         (find_leader_in_sets): Adjust.
 526         (create_component_ref_by_pieces): Take extra argument for
 527         dominance check, handle lookup failures.
 528         (find_or_generate_expression): Likewise.
 529         (create_expression_by_pieces): Likewise.
 530         (insert_into_preds_of_block): Adjust.
 531         (create_value_expr_from): If asked for, verify all operands
 532         are in the blocks AVAIL_OUT set.
 533         (make_values_for_stmt): Check for SSA_NAMEs that are life
 534         over an abnormal edge.
 535         (compute_avail): Remove such check.
 536         (do_SCCVN_insertion): New function.
 537         (eliminate): If we do not find a leader suitable for replacement
 538         insert a replacement expression from SCCVN if available.
 539         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
 540         (struct vn_ssa_aux): Add needs_insertion flag.
 541         * tree-ssa-sccvn.c (may_insert): New global flag.
 542         (copy_reference_ops_from_ref): Value-number union member access
 543         based on its size, not type and member if insertion is allowed.
 544         (visit_reference_op_load): For a weak match from union type
 545         punning lookup a view-converted value and insert a SSA_NAME
 546         for that value if that is not found.
 547         (visit_use): Make dumps shorter.  Do not disallow value numbering
 548         SSA_NAMEs that are life over an abnormal edge to constants.
 549         (free_scc_vn): Release inserted SSA_NAMEs.
 550         (run_scc_vn): New flag to specify whether insertion is allowed.
 551         Process SSA_NAMEs in forward order.
 552         * tree-ssa-loop-im.c (for_each_index): Handle invariant
 553         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
 554         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
 555         pointer type to/from integral types that do not change the
 556         precision to regular conversions.
 557
 558 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
 559
 560         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
 561         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
 562         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
 563         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
 564         input arguments and the mode of return value.  Built-in functions
 565         that operate on whole 64-bit MMX register now use V1DI mode.
 566
 567 2008-03-13  Alon Dayan  <alond@il.ibm.com>
 568             Olga Golovanevsky  <olga@il.ibm.com>
 569
 570         PR tree-optimization/35041
 571         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
 572         to locate the right position in a statement.
 573
 574 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
 575
 576         PR target/34000
 577         PR target/35553
 578         * config/i386/xmmintrin.h:  Change all static inline functions to
 579         extern inline and add __gnu_inline__ attribute.
 580         * config/i386/bmintrin.h: Ditto.
 581         * config/i386/smmintrin.h: Ditto.
 582         * config/i386/tmmintrin.h: Ditto.
 583         * config/i386/mmintrin-common.h: Ditto.
 584         * config/i386/ammintrin.h: Ditto.
 585         * config/i386/emmintrin.h: Ditto.
 586         * config/i386/pmmintrin.h: Ditto.
 587         * config/i386/mmintrin.h: Ditto.
 588         * config/i386/mm3dnow.h: Ditto.
 589
 590 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
 591
 592         PR middle-end/35185
 593         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
 594         (lower_omp_2): New function.
 595         (lower_omp_1, lower_omp): Rewritten.
 596
 597 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
 598
 599         PR 35054
 600         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
 601         with the phrase "Microsoft Windows compilers".
 602         (Push/Pop Macro Pragmas): New subsection. Document
 603         #pragma push_macro and pragma pop_macro.
 604
 605 2008-03-12  Paul Brook  <paul@codesourcery.com>
 606
 607         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
 608
 609 2008-03-12  Paul Brook  <paul@codesourcery.com>
 610
 611         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
 612         (thumb2_alusi3_short): Exclude PLUS and MINUS.
 613         (thumb2_addsi_shortim): Rename ...
 614         (thumb2_addsi_short): ... to this.  Allow register operands.
 615         (thumb2_subsi_short): New pattern.
 616         (thumb2_one_cmplsi2_short,
 617         thumb2_negsi2_short): New patterns and peepholes.
 618
 619 2008-03-12  Paul Brook  <paul@codesourcery.com>
 620
 621         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
 622
 623 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
 624
 625         * config/i386/i386.md (int_cond): New code iterator.
 626         (fp_cond): Ditto.
 627         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
 628         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
 629         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
 630         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
 631         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
 632         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
 633         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
 634         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
 635
 636 2008-03-12  Paul Brook  <paul@codesourcery.com>
 637
 638         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
 639         instead of {arm,thumb}_compute_save_reg_mask.
 640         (output_return_instruction): Ditto.
 641         (thumb_unexpanded_epilogue): Ditto.
 642         (thumb1_expand_prologue): Ditto.
 643         (thumb1_output_function_prologue): Ditto.
 644         (arm_set_return_address): Ditto.
 645         (thumb_set_return_address): Ditto.
 646         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
 647         regs to achieve stack alignment.
 648         (thumb1_compute_save_reg_mask): Fix compiler warning.
 649         (arm_output_epilogue): Use offsets->saved_regs_mask.
 650         Adjust stack pointer by poping call clobered registers.
 651         (arm_expand_prologue): Use offsets->saved_regs_mask.
 652         Adjust stack pointer by pushing extra registers.
 653         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
 654
 655 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
 656
 657         PR tree-opt/35422
 658         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
 659         conversion to the operands of a multiplication.
 660
 661 2008-03-12  Richard Guenther  <rguenther@suse.de>
 662
 663         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
 664         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
 665         * timevar.def (TV_TREE_PHIPROP): Add.
 666         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
 667         pass description.  Use TV_TREE_PHIPROP.
 668         * tree-ssa-forwprop.c: Remove phiprop code.
 669
 670 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
 671
 672         PR middle-end/35549
 673         * omp-low.c (maybe_lookup_decl): Constify first argument.
 674         (use_pointer_for_field): Change last argument from bool to
 675         omp_context *.  Disallow shared copy-in/out in nested
 676         parallel if decl is shared in outer parallel too.
 677         (build_outer_var_ref, scan_sharing_clauses,
 678         lower_rec_input_clauses, lower_copyprivate_clauses,
 679         lower_send_clauses, lower_send_shared_vars): Adjust callers.
 680
 681 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
 682             Ira Rosen  <irar@il.ibm.com>
 683
 684         * tree-vectorizer.c (free_stmt_vec_info): New function.
 685         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
 686         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
 687         * tree-vectorizer.h (free_stmt_vec_info): Declare.
 688         * tree-vect-transform.c (vectorizable_conversion): Free
 689         vec_oprnds0 if it was allocated.
 690         (vect_permute_store_chain): Remove unused VECs.
 691         (vectorizable_store): Free VECs that are allocated in the..
 692         function.
 693         (vect_transform_strided_load, vectorizable_load): Likewise.
 694         (vect_remove_stores): Simplify the code.
 695         (vect_transform_loop): Move code to vect_remove_stores().
 696         Call vect_remove_stores() and free_stmt_vec_info().
 697
 698 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 699
 700         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
 701         TARGET_HPUX.  Revise comment.
 702         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
 703         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
 704         Use sr4 variant of `be' instruction when not generating PIC code.
 705         (attr_length_call): Adjust for above change.
 706
 707 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 708
 709         * ipa-reference.c (static_execute): Remove module_statics_const and
 710         associated setting code.
 711
 712 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
 713
 714         PR target/35540
 715         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
 716         predicate for operand 1.
 717         (paritysi2_cmp): Use register_operand predicate for operand 2.
 718         Use earlyclobber modifier for operand 1.  Remove support for
 719         memory operands.
 720         (paritydi2_cmp): Use register_operand predicate for operand 3.
 721         Use earlyclobber modifier for operand 1.  Remove support for
 722         memory operands.
 723
 724 2008-03-11  Paul Brook  <paul@codesourcery.com>
 725             Vladimir Prus  <vladimir@codesourcery.com>
 726
 727         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
 728         (arm_compute_save_reg0_reg12_mask): Always
 729         check if register 11 must be saved.  Always safe hard frame pointer
 730         when frame_pointer_needeed.
 731         (arm_compute_save_reg_mask): Save IP and PC
 732         only with apcs frames.
 733         (arm_output_epilogue): Adjust Thumb2 codepath to
 734         be also invoked and work for ARM non-apcs frames.
 735         (arm_expand_prologue): Don't bother saving IP
 736         for non-apcs frame, since it's not clobbered by
 737         prologue code.  Implement non-apcs frame
 738         layout.
 739
 740 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
 741
 742         PR rtl-optimization/35281
 743         * expr.c (convert_move): Use a new pseudo for the intermediate
 744         from_mode->word_mode result.
 745
 746 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
 747
 748         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
 749         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
 750         * toplev.c (compile_file): Don't call it.
 751
 752 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
 753
 754         PR middle-end/35526
 755         * expr.c (store_expr): Call emit_block_move if the mode
 756         of "temp" RTX is BLKmode.
 757
 758 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 759             Richard Guenther  <rguenther@suse.de>
 760
 761         PR tree-optimization/31358
 762         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
 763         the step with a NULL_TREE.
 764         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
 765         to sizetype if type is a pointer type.
 766         (add_candidate_1): Don't convert the base and step to
 767         the generic type if the orginal type is a pointer type.
 768         (add_iv_value_candidates): Use sizetype for the step
 769         if type is a pointer type.
 770         (cand_value_at): Likewise.
 771         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
 772         for pointer types.
 773         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
 774         Don't convert the tem affine to the type.
 775         (add_elt_to_tree): Use sizetype for the step if a pointer.
 776         Use POINTER_PLUS_EXPR for pointers.
 777         (aff_combination_to_tree): Use sizetype for the step if a
 778         pointer.
 779
 780 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
 781
 782         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
 783         Remove commutativity hint.
 784
 785 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
 786
 787         PR c/35438
 788         PR c/35439
 789         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
 790         errorneous type.  Check that v is a VAR_DECL.
 791
 792         PR middle-end/35099
 793         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
 794
 795 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
 796
 797         PR tree-optimization/35494
 798         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
 799         may be overriden at link and run time.
 800
 801 2008-03-10  Richard Guenther  <rguenther@suse.de>
 802
 803         PR tree-optimization/34677
 804         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
 805         (poolify_tree): Likewise.
 806         (modify_expr_template): Likewise.
 807         (poolify_modify_stmt): Likewise.
 808         (insert_fake_stores): Handle all component-ref style stores
 809         in addition to INDIRECT_REF.  Also handle complex types.
 810         Do not poolify the inserted load.
 811         (realify_fake_stores): Do not rebuild the tree but only
 812         make it a SSA_NAME copy.
 813         (init_pre): Remove initialzation of modify_expr_template.
 814         Do not allocate modify_expr_node_pool.
 815         (fini_pre): Do not free modify_expr_node_pool.
 816
 817 2008-03-10  Paul Brook  <paul@codesourcery.com>
 818
 819         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
 820         to avoid conflicts.
 821
 822 2008-03-10  Paul Brook  <paul@codesourcery.com>
 823             Mark Shinwell  <shinwell@codesourcery.com>
 824
 825         * config/arm/cortex-r4.md: New.
 826         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
 827         insn attributes.
 828         * config/arm/arm.md: Include cortex-r4.md.
 829         (insn): Add smmls, sdiv and udiv values.
 830         (generic_sched): Don't use generic scheduling for Cortex-R4.
 831         (arm_issue_rate): New function.
 832         (TARGET_SCHED_ISSUE_RATE): Define.
 833
 834 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
 835
 836         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
 837
 838 2008-03-10  Richard Guenther  <rguenther@suse.de>
 839
 840         * tree-ssa-pre.c (get_sccvn_value): Simplify.
 841         (compute_avail): Do not add stmt uses to AVAIL_OUT.
 842
 843 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
 844
 845         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
 846         Set default to true.
 847
 848 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 849
 850         * c.opt (Wsynth): Deprecate.
 851         * doc/invoke.texi (Option Summary, Warning Options): Document
 852         -Wno-format-contains-nul.
 853
 854 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
 855
 856         PR target/35496
 857         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
 858         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
 859
 860 2008-03-09  Ira Rosen  <irar@il.ibm.com>
 861
 862         * config/rs6000/rs6000.c (builtin_description): Rename vector
 863         left shift operations.
 864         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
 865         (altivec_vsl<VI_char>): Rename to ...
 866         (ashl<mode>3): ... new name.
 867         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
 868         gen_ashlv4si3.
 869         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
 870
 871 2008-03-08  Richard Guenther  <rguenther@suse.de>
 872
 873         * coverage.h (tree_coverage_counter_addr): Declare.
 874         * coverage.c (tree_coverage_counter_addr): New function.
 875         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
 876         before using again.
 877         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
 878         (tree_gen_one_value_profiler): Likewise.
 879         (tree_gen_ic_profiler): Likewise.
 880         (tree_gen_average_profiler): Likewise.
 881         (tree_gen_ior_profiler): Likewise.
 882
 883 2008-03-08  Richard Guenther  <rguenther@suse.de>
 884
 885         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
 886         (vn_binary_op_insert): Likewise.
 887         (vn_unary_op_lookup): Likewise.
 888         (vn_unary_op_insert): Likewise.
 889         (vn_nary_op_lookup): Declare.
 890         (vn_nary_op_insert): Likewise.
 891         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
 892         and binary hashes, use a single obstack for unary_op_pool
 893         and binary_op_pool.
 894         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
 895         a single struct vn_nary_op_s.  Store tree code length and
 896         a variable number of operands.
 897         (struct vn_reference_op_struct): Remove unused op2.
 898         (vn_reference_op_eq): Do not compare op2.
 899         (vn_reference_op_compute_hash): Do not compute hash of op2.
 900         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
 901         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
 902         with vn_nary_op_compute_hash.
 903         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
 904         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
 905         vn_nary_op_lookup.
 906         (vn_unary_op_insert, vn_binary_op_insert): Replace with
 907         vn_nary_op_insert.
 908         (visit_unary_op): Call nary functions.
 909         (visit_binary_op): Likewise.
 910         (process_scc): Adjust for struct vn_tables_s changes.
 911         (allocate_vn_table): Likewise.
 912         (free_vn_table): Likewise.
 913         * tree-vn.c (vn_add): Call nary functions.
 914         (vn_lookup): Likewise.
 915
 916 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
 917
 918         PR target/35498
 919         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
 920         wdst back after sync_compare_and_swapqhi_internal.
 921
 922 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
 923
 924         PR target/22152
 925         * config/i386/i386-modes.def (V1DI): New vector mode.
 926         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
 927         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
 928         (MMXMODE248): Ditto.
 929         (MMXMODE): Add V1DI mode.
 930         (mmxvecsize): Change DI mode to V1DI mode.
 931         ("mov<mode>): Use MMXMODEI8 mode iterator.
 932         ("*mov<mode>_internal_rex64"): Ditto.
 933         ("*mov<mode>_internal"): Ditto.
 934         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
 935         ("mmx_sub<mode>3"): Ditto.
 936         ("mmx_adddi3"): Remove insn pattern.
 937         ("mmx_subdi3"): Ditto.
 938         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
 939         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
 940         ("mmx_ashl<mode>3"): Ditto.
 941         ("mmx_lshrdi3"): Remove insn pattern.
 942         ("mmx_ashldi3"): Ditto.
 943         * config/i386/i386.c (classify_argument): Handle V1DImode.
 944         (function_arg_advance_32): Ditto.
 945         (function_arg_32): Ditto.
 946         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
 947         mmx_addv1di3 insn pattern.
 948         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
 949         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
 950         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
 951         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
 952         Remove definitions of built-in functions.
 953         (V1DI_type_node): New node.
 954         (v1di_ftype_v1di_int): Ditto.
 955         (v1di_ftype_v1di_v1di): Ditto.
 956         (v2si_ftype_v2si_si): Ditto.
 957         (v4hi_ftype_v4hi_di): Remove node.
 958         (v2si_ftype_v2si_di): Ditto.
 959         (ix86_init_mmx_sse_builtins): Handle V1DImode.
 960         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
 961         Redefine builtins using def_builtin_const with *_ftype_*_int node.
 962         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
 963         Add new builtins using def_builtin_const.
 964         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
 965         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
 966         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
 967         * config/i386/mmintrin.h (__v1di): New typedef.
 968         (_mm_add_si64): Cast arguments to __v1di type.
 969         (_mm_sub_si64): Ditto.
 970         (_mm_sll_pi16): Cast __count to __v4hi type.
 971         (_mm_sll_pi32): Cast __count to __v2si type.
 972         (_mm_sll_si64): Cast arguments to __v1di type.
 973         (_mm_srl_pi16): Cast __count to __v4hi type.
 974         (_mm_srl_pi32): Cast __count to __v2si type.
 975         (_mm_srl_si64): Cast arguments to __v1di type.
 976         (_mm_sra_pi16): Cast __count to __v4hi type.
 977         (_mm_sra_pi32): Cast __count to __v2si type.
 978         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
 979         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
 980         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
 981         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
 982         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
 983         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
 984         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
 985         (_mm_srai_pi32): Use __builtin_ia32_psradi.
 986         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
 987         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
 988         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
 989         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
 990
 991 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
 992
 993         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
 994
 995 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
 996
 997         PR target/35373
 998         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
 999         reg+const addressing for Altivec modes.  Don't generate reg+reg
1000         addressing for TFmode or TDmode quantities.
1001
1002 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
1003
1004         * c-common.c (vector_types_convertible_p): Call langhook
1005         instead of comptypes.
1006
1007 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1008
1009         PR tree-opt/35402
1010         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
1011         integral and scalar float variables which have a
1012         NULL DECL_INITIAL.
1013
1014 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
1015
1016         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
1017         dwarf_register_span hook when emitting unwind information for
1018         register-to-memory saves.
1019         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
1020         (rs6000_frame_related): Remove call to spe_synthesize_frame.
1021
1022 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
1023
1024         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
1025         for the same VAR_DECL.
1026
1027 2008-03-06  Tom Tromey  <tromey@redhat.com>
1028
1029         * treelang: Delete.
1030         * doc/standards.texi (Standards): Don't mention treelang.
1031         * doc/invoke.texi (Overall Options): Don't mention treelang.
1032         * doc/install.texi (Prerequisites): Don't mention bison or
1033         treelang.
1034         (Configuration): Don't mention treelang.
1035         (Building): Likewise.
1036         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
1037
1038 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
1039
1040         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
1041         word-extractions out of a multi-word object.
1042
1043 2008-03-06  Richard Guenther  <rguenther@suse.de>
1044
1045         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
1046         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
1047         result type and precision.
1048         * expr.c (get_inner_reference): Set unsignedp based on the result
1049         type of BIT_FIELD_REF.
1050         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
1051         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
1052         (try_instantiate_multiple_fields): Likewise.  Use the correct type
1053         for BIT_FIELD_REF.
1054         (sra_build_assignment): Likewise.
1055         (sra_build_elt_assignment): Likewise.
1056         (sra_explode_bitfield_assignment): Likewise.
1057         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
1058         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
1059         set BIT_FIELD_REF_UNSIGNED.
1060         (vectorizable_load): Likewise.
1061
1062 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
1063
1064         * cse.c (cse_extended_basic_block): Invalidate artificial defs
1065         at bb start.
1066
1067 2008-03-06  Richard Guenther  <rguenther@suse.de>
1068
1069         * alias.c (struct alias_set_entry): Move has_zero_child field
1070         to pack with alias_set.
1071
1072 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
1073
1074         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1075         32bit host.
1076
1077 2008-03-05  Ian Lance Taylor  <iant@google.com>
1078
1079         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
1080
1081 2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>
1082
1083         * fwprop.c (update_df): Support width and offset parameters of
1084         df_ref_create.
1085         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
1086         global_conflicts): Change DF_REF_EXTRACT to either
1087         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
1088         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1089         * df-scan.c (df_ref_record, df_defs_record,
1090         df_ref_create_structure, df_def_record_1, df_uses_record,
1091         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
1092         df_bb_refs_collect, df_entry_block_defs_collect,
1093         df_exit_block_uses_collect): Support new width and offset fields.
1094         (ref_extract_pool): New storage pool.
1095         (df_free_ref): New function.
1096         (df_reg_chain_unlink, df_free_collection_rec,
1097         df_sort_and_compress_refs): Call df_free_ref.
1098         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
1099         of df_ref_extract.
1100         (df_ref_create_structure): Allocate df_ref_extract if offset and
1101         width fields are used.
1102         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
1103         (df_uses_record): Get offset and width from ZERO_EXTRACT
1104         and SIGN_EXTRACT.
1105         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
1106         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
1107         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1108         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
1109         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
1110         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1111         (df_ref_extract): New structure.
1112         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
1113         (df_ref_create): Add width and offset parameters.
1114
1115 2008-03-05  Richard Guenther  <rguenther@suse.de>
1116
1117         * tree-ssa-structalias.c (get_constraint_for_component_ref):
1118         Use ranges_overlap_p.
1119         (offset_overlaps_with_access): Rename
1120         to ranges_overlap_p and move ...
1121         * tree-flow-inline.h (ranges_overlap_p): ... here.
1122
1123         * tree.h (get_inner_reference, handled_component_p): Update
1124         comments.
1125
1126         * tree.h (record_component_aliases, get_alias_set,
1127         alias_sets_conflict_p, alias_sets_must_conflict_p,
1128         objects_must_conflict_p): Move declarations ...
1129         * alias.h (record_component_aliases, get_alias_set,
1130         alias_sets_conflict_p, alias_sets_must_conflict_p,
1131         objects_must_conflict_p): ... here.
1132         Include coretypes.h.
1133         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
1134
1135 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
1136
1137         * cfg.c: Include tree-flow.h.
1138         (remove_edge_raw): Call redirect_edge_var_map_clear.
1139         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
1140         * tree-flow-inline.h (redirect_edge_var_map_def): New.
1141         (redirect_edge_var_map_result): New.
1142         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
1143         PENDING_STMT use with redirect_edge_var_map_*.
1144         * tree-ssa.c (edge_var_maps): New definition.
1145         (redirect_edge_var_map_add): New.
1146         (redirect_edge_var_map_clear): New.
1147         (redirect_edge_var_map_dup): New.
1148         (redirect_edge_var_map_vector): New.
1149         (redirect_edge_var_map_destroy): New.
1150         (ssa_redirect_edge): Replace PENDING_STMT use with
1151         redirect_edge_var_map_*.
1152         (flush_pending_stmts): Same.
1153         (delete_tree_ssa): Destroy edge var map.
1154         * tree-flow.h (struct _edge_var_map): New.
1155         Define edge_var_map vector type.
1156         Declare redirect_edge_var_map_* prototypes.
1157         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
1158         * tree-cfg.c (reinstall_phi_args): Replace
1159         PENDING_STMT use with redirect_edge_var_map_*.
1160
1161 2008-03-05  Richard Guenther  <rguenther@suse.de>
1162
1163         PR tree-optimization/35472
1164         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
1165         whose single use_stmt has a overlapping set of loaded and
1166         stored symbols as that use_stmt might be a noop assignment then.
1167
1168 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
1169
1170         * gthr-rtems.h: Implement __gthread_mutex_destroy.
1171
1172 2008-03-05  Richard Guenther  <rguenther@suse.de>
1173
1174         PR c++/35336
1175         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
1176         should be constants.
1177         * tree-cfg.c (verify_expr): Verify it.
1178         * fold-const.c (fold_truthop): Remove code generating
1179         BIT_FIELD_REFs of structure bases.
1180         (fold_binary): Likewise.
1181         (fold_ternary): Position and size of BIT_FIELD_REFs are
1182         always host integers.
1183         (make_bit_field_ref): Remove.
1184         (optimize_bit_field_compare): Remove.
1185         (all_ones_mask_p): Remove.
1186
1187 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
1188
1189         PR gcc/33009
1190         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
1191         (split_block_and_df_analyze): New. Split basic block and rebuild
1192         dataflow.
1193         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
1194         SPLIT_BLOCK.
1195         (split_pattern_seq): Likewise.
1196         (erase_matching_seqs): Likewise.
1197         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
1198
1199 2008-03-04  Geoff Keating  <geoffk@apple.com>
1200
1201         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
1202         declaration and code.
1203         (tree_invalid_nonnegative_warnv_p): Likewise.
1204
1205 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
1206
1207         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
1208         examples.  Truncate option-names then causing overfull hbox.
1209
1210 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1211
1212         PR target/35222
1213         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
1214         on hpux10.
1215         * configure: Rebuilt.
1216
1217 2008-03-04  Rafael Espindola  <espindola@google.com>
1218
1219         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
1220         (tree_unary_nonnegative_warnv_p): New.
1221         (tree_binary_nonnegative_warnv_p): New.
1222         (tree_single_nonnegative_warnv_p): New.
1223         (tree_invalid_nonnegative_warnv_p): New.
1224         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
1225
1226 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1227
1228         PR 28322
1229         * opts.c (handle_option): Postpone 'unknown option' errors only for
1230         warning options.
1231
1232 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
1233
1234         PR target/35453
1235         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
1236         (_SIDD_XXX): This.
1237
1238 2008-03-04  Rafael Espindola  <espindola@google.com>
1239
1240         * fold-const.c (tree_unary_nonzero_warnv_p): New.
1241         (tree_binary_nonzero_warnv_p): New.
1242         (tree_single_nonzero_warnv_p): New.
1243         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
1244
1245 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
1246
1247         PR middle-end/35456
1248         * fold-const.c (fold_cond_expr_with_comparison): Prevent
1249         transformations for modes that have signed zeros.
1250         * ifcvt.c (noce_try_abs): Ditto.
1251
1252 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
1253
1254         * config/i386/i386.c (override_options): Force
1255         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
1256
1257 2008-03-04  Jan Hubicka  <jh@suse.cz>
1258
1259         PR c++/35262
1260         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
1261         in last commit.
1262
1263 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
1264
1265         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
1266         label to probe the stack.
1267
1268 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
1269
1270         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
1271         (__gthr_win32_mutex_destroy): Declare.
1272         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
1273         __gthr_win32_mutex_destroy.
1274         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
1275
1276 2008-03-03  Jan Hubicka  <jh@suse.cz>
1277
1278         PR c++/35262
1279         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
1280         aggressive on inlining cold calls.
1281
1282 2008-03-03  Richard Guenther  <rguenther@suse.de>
1283
1284         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
1285         struct copies into the expression table.
1286         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
1287         (try_to_simplify): Likewise.
1288         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
1289         integral and pointer arguments which do not change the
1290         precision to NOP_EXPRs.
1291         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
1292         VIEW_CONVERT_EXPR case.
1293
1294 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
1295
1296         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
1297         defined in a loop at depth 0 is invariant.
1298         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
1299         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
1300         be called at loop depth 0.
1301
1302 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
1303
1304         PR driver/35420
1305         * gcc.c (process_command): Update copyright notice dates.
1306         * gcov.c (print_version): Likewise.
1307         * gcov-dump.c (print_version): Likewise.
1308         * mips-tfile.c (main): Likewise.
1309         * mips-tdump.c (main): Likewise.
1310
1311 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1312
1313         PR 24924
1314         * c-common.c (flag_permissive): Delete.
1315         (constant_expression_warnings): Check flags first.
1316         (constant_expression_error): New.
1317         * c-common.h (flag_permissive): Delete.
1318         (constant_expression_error): Declare.
1319         * flags.h (flag_permissive): Declare. Update description.
1320         * diagnostic.c (pedwarn): Update.
1321         (permerror): New.
1322         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
1323         (permissive_error_kind): New.
1324         * toplev.c (flag_permissive): Define. Update description.
1325         * toplev.h (permissive_error_kind): Declare.
1326         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
1327         (pedwarn_c90): Use pedantic_warning_kind.
1328         * c-opts.c (c_common_post_options): flag_permissive does not affect
1329         flag_pedantic_errors.
1330
1331 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
1332
1333         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
1334         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
1335         __absvsi2, __absvDI2): Use unsigned arithmetic.
1336
1337 2008-03-02  Andi Kleen  <ak@suse.de>
1338             Richard Guenther  <rguenther@suse.de>
1339
1340         * struct-equiv.c: Remove file.
1341         * cfg_cleanup.c (condjump_equiv_p): Remove.
1342         * Makefile.in (OBJS-common): Remove struct-equiv.o.
1343         (struct-equiv.o): Remove rule.
1344         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
1345         insns_match_p, struct_equiv_block_eq, struct_equiv_init,
1346         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
1347
1348 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
1349
1350         * ifcvt.c (noce_process_if_block): Try to handle only the then
1351         block if the else block exists but isn't suitable.
1352
1353 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
1354
1355         PR gcc/35063
1356         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
1357         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
1358         regression from previous patch.
1359
1360 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
1361
1362         PR gcc/35063
1363         * gthr.h: Add __gthread_mutex_destroy as a function that must be
1364         implemented.
1365         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
1366         * gthr-single.h (__gthread_mutex_destroy): Likewise.
1367         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
1368         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
1369         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
1370         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
1371         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
1372         (__gthread_mutex_destroy_function): Rename to
1373         __gthread_mutex_destroy.
1374         * gthr-dce.h (__gthread_mutex_destroy): Call
1375         pthread_mutex_destroy.
1376         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
1377         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
1378         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
1379
1380 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
1381
1382         * df-scan.c (df_ref_chain_change_bb): Simplify.
1383         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
1384         set_block_for_insn if there's any change.
1385         * df.h ((df_insn_change_bb): Fix prototype.
1386         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
1387         df_insn_change_bb, don't call set_block_for_insn.
1388         * emit-rtl.c (reorder_insns): Likewise.
1389         * haifa-sched.c (move_insn): Likewise.
1390
1391 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
1392
1393         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
1394
1395 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
1396
1397         * tree-flow-inline.h (next_readonly_imm_use): Return
1398         NULL_USE_OPERAND_P after the end.
1399
1400 2008-03-01  Richard Guenther  <rguenther@suse.de>
1401
1402         PR tree-optimization/35411
1403         * tree-sra.c (sra_build_assignment): Split conversion to
1404         final type to a separate statement if we are not assigning
1405         to a register.
1406
1407 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
1408
1409         * fold-const.c (fold_convertible_p): Correct the logic to follow
1410         that in fold_convert().
1411
1412 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
1413
1414         PR c++/35315
1415         * tree-inline.c (build_duplicate_type): When we make a
1416         duplicate type, make it unique in the canonical types system.
1417
1418 2008-02-29  Tom Tromey  <tromey@redhat.com>
1419
1420         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
1421         input_file_stack_history, input_file_stack_restored): Remove.
1422         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
1423         * input.h (struct file_stack): Remove.
1424         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
1425         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
1426         Likewise.
1427         * diagnostic.h (struct diagnostic_context) <last_module>: Change
1428         type.
1429         (diagnostic_last_module_changed): Add 'map' argument.
1430         (diagnostic_set_last_function): Likewise.
1431         * diagnostic.c (undiagnostic_report_current_module): Iterate using
1432         line map, not input_file_stack.
1433         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
1434
1435 2008-02-29  Paul Brook  <paul@codesourcery.com>
1436
1437         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
1438
1439 2008-02-29  Paul Brook  <paul@codesourcery.com>
1440
1441         * config/arm/ieee754-df.S (muldf3): Use RET macros.
1442
1443 2008-02-29  Richard Guenther  <rguenther@suse.de>
1444
1445         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
1446         vn_lookup_or_add.
1447         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
1448         value for comparing for a store match.
1449         (simplify_unary_expression): Do nothing for SSA_NAMEs.
1450         (try_to_simplify): Do not do a full-blown reference lookup.
1451
1452 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
1453
1454         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
1455         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
1456
1457         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
1458
1459 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
1460
1461         * tree-loop-linear.c (try_interchange_loops): Compare memory access
1462         strides against cache sizes.
1463
1464 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
1465
1466         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
1467         constant to fpul.
1468
1469 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
1470
1471         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
1472         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
1473         is smaller than the original promoted value.
1474         (simplify_subreg): If OP is a SUBREG, try to preserve its
1475         SUBREG_PROMOTED_VAR_P information.
1476
1477 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
1478
1479         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
1480         (VN_INFO_GET): Allocate new objects on the obstack.
1481         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
1482         for rpo_numbers_temp, for consistency.
1483         (free_scc_vn): Free the obstack.
1484
1485 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
1486
1487         * doc/invoke.texi: Document -ftree-loop-distribution.
1488         * tree-loop-distribution.c: New.
1489         * tree-pass.h (pass_loop_distribution): New.
1490         * graphds.h (struct graph): Add htab_t indices.
1491         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
1492         * tree-vectorizer.c (rename_variables_in_loop): Extern.
1493         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
1494         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
1495         * tree-data-ref.c (debug_data_dependence_relations): New.
1496         (dump_data_dependence_relation): Also print data references.
1497         (free_data_ref): Extern.
1498         (same_access_functions): Moved...
1499         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
1500         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
1501         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
1502         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
1503         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
1504         (stmts_from_loop): Skip LABEL_EXPR.
1505         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
1506         New.
1507         (build_rdg): Initialize rdg->indices htab.
1508         (free_rdg, stores_from_loop, ref_base_address,
1509         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
1510         have_similar_memory_accesses_1, ref_base_address_1,
1511         remove_similar_memory_refs): New.
1512         * tree-data-ref.h: Depend on tree-chrec.h.
1513         (debug_data_dependence_relations, free_data_ref): Declared.
1514         (same_access_functions): ... here.
1515         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
1516         New.
1517         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
1518         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
1519         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
1520         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
1521         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
1522         rdg_vertex_for_stmt): Declared.
1523         (struct rdg_edge): Add level.
1524         (RDGE_LEVEL): New.
1525         (free_rdg, stores_from_loop, remove_similar_memory_refs,
1526         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
1527         Declared.
1528         (rdg_has_similar_memory_accesses): New.
1529         * tree-vect-analyze.c: Remove unused static decls.
1530         * lambda.h (dependence_level): New.
1531         * common.opt (ftree-loop-distribution): New.
1532         * tree-flow.h (mark_virtual_ops_in_bb,
1533         slpeel_tree_duplicate_loop_to_edge_cfg,
1534         rename_variables_in_loop): Declared.
1535         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
1536         (OBJS-common): Add tree-loop-distribution.o.
1537         (tree-loop-distribution.o): New rule.
1538         * tree-cfg.c (mark_virtual_ops_in_bb): New.
1539         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
1540         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
1541
1542 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
1543
1544         PR target/33963
1545         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
1546         other than structures and unions.
1547
1548 2008-02-28  Richard Guenther  <rguenther@suse.de>
1549
1550         Revert:
1551         2008-02-26  Richard Guenther  <rguenther@suse.de>
1552
1553         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1554         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1555         (lookup_decl_from_uid): Declare.
1556         (remove_decl_from_map): Likewise.
1557         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1558         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1559         (decl_for_uid_map): New global hashtable mapping DECL_UID
1560         to the decl tree.
1561         (init_ttree): Allocate it.
1562         (insert_decl_to_uid_decl_map): New helper function.
1563         (make_node_stat): Insert new decls into the map.
1564         (copy_node_stat): Likewise.
1565         (lookup_decl_from_uid): New function.
1566         (remove_decl_from_map): Likewise.
1567         (print_decl_for_uid_map_statistics): New helper.
1568         (dump_tree_statistics): Call it.
1569
1570         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1571         (referenced_var_iterator): Adjust.
1572         (FOR_EACH_REFERENCED_VAR): Adjust.
1573         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1574         (num_referenced_vars): Adjust.
1575         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1576         (first_referenced_var): Remove.
1577         (end_referenced_vars_p): Likewise.
1578         (next_referenced_var): Likewise.
1579         (referenced_var_iterator_set): New helper function.
1580         * tree-dfa.c (referenced_var_lookup): Adjust.
1581         (referenced_var_check_and_insert): Likewise.
1582         (remove_referenced_var): Likewise.
1583         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1584         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1585         (verify_call_clobbering): Likewise.
1586         (verify_memory_partitions): Likewise.
1587         (init_tree_ssa): Allocate bitmap instead of hashtable for
1588         referenced_vars.
1589         (delete_tree_ssa): Adjust.
1590         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1591         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1592         (compute_tag_properties): Likewise.
1593         (set_initial_properties): Likewise.
1594         (find_partition_for): Likewise.
1595         (update_reference_counts): Likewise.
1596         (dump_may_aliases_for): Likewise.
1597         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1598         (add_call_clobber_ops): Likewise.
1599         (add_call_read_ops): Likewise.
1600         (get_asm_expr_operands): Likewise.
1601         * tree-into-ssa.c (dump_decl_set): Likewise.
1602         (update_ssa): Likewise.
1603         * tree-sra.c (scan_function): Likewise.
1604         (decide_instantiations): Likewise.
1605         (scalarize_parms): Likewise.
1606         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1607         (dsa_named_for): Likewise.
1608         * tree-ssa-structalias.c (update_alias_info): Likewise.
1609         (merge_smts_into): Likewise.
1610
1611 2008-02-27  David Daney  <ddaney@avtrex.com>
1612
1613         PR target/34409
1614         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
1615         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
1616         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
1617         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
1618         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
1619
1620 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
1621
1622         PR target/25477
1623         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
1624         (BUILT_IN_NEXTTOWARD): Remove.
1625         (BUILT_IN_NEXTTOWARDF): Ditto.
1626         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
1627         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
1628
1629 2008-02-27  Tom Tromey  <tromey@redhat.com>
1630
1631         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
1632         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
1633
1634 2008-02-27  Jan Beulich  <jbeulich@novell.com>
1635
1636         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
1637         update the respective field on newdecl.
1638
1639 2008-02-27  Revital Eres  <eres@il.ibm.com>
1640
1641         PR rtl-optimization/34999
1642         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
1643         crossing edges that ends with a call insn.
1644         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
1645         call insn and clear the EDGE_CROSSING flag of the crossing edge
1646         when fixing fallthru edges.
1647
1648 2008-02-27  Richard Guenther  <rguenther@suse.de>
1649
1650         PR middle-end/35390
1651         * fold-const.c (fold_unary): Return the correct argument,
1652         converted to the result type.
1653
1654 2008-02-27  Richard Guenther  <rguenther@suse.de>
1655
1656         PR middle-end/34971
1657         * expr.c (expand_expr_real_1): Assert on rotates that operate
1658         on partial modes.
1659         * fold-const.c (fold_binary): Use the types precision, not the
1660         bitsize of the mode if folding rotate expressions.  Build rotates
1661         only for full modes.
1662
1663 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
1664
1665         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
1666         and CPP_PRAGMA_EOL.
1667         * c-pragma.c (pragma_ns_name): New typedef.
1668         (registered_pp_pragmas): New variable.
1669         (c_pp_lookup_pragma): New function.
1670         (c_register_pragma_1): If flag_preprocess_only, do nothing
1671         for non-expanded pragmas, for expanded ones push pragma's
1672         namespace and name into registered_pp_pragmas vector.
1673         (c_invoke_pragma_handler): Register OpenMP pragmas even when
1674         flag_preprocess_only, don't register GCC pch_preprocess
1675         pragma if flag_preprocess_only.
1676         * c-opts.c (c_common_init): Call init_pragma even if
1677         flag_preprocess_only.
1678         * c-pragma.c (c_pp_lookup_pragma): New prototype.
1679         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
1680         cpp_register_pragma if flag_preprocess_only.
1681
1682 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1683
1684         PR c/28800
1685         * c-parser.c (c_parser_translation_unit): Warn for empty
1686         translation unit, not empty source file.
1687
1688 2008-02-26  Paul Brook  <paul@codesourcery.com>
1689
1690         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
1691         operand for Thumb-2.
1692         * config/arm/arm.h (reg_class): Add CORE_REGS.
1693         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
1694         (BASE_REG_CLASS): Use CORE_REGS.
1695         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
1696         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
1697         (REGNO_OK_FOR_INDEX_P): Exclude SP.
1698         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
1699         ARM_REGNO_OK_FOR_INDEX_P.
1700         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
1701         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
1702         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
1703         (ldm/stm peepholes): Ditto.
1704         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
1705         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
1706         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
1707         * config/arm/constraints.md: Enable "k" constraint on ARM.
1708
1709 2008-02-27  Ben Elliston  <bje@au.ibm.com>
1710
1711         * config/rs6000/rs6000.c: Annotate cache line size field in all
1712         instances of struct processor_costs.
1713
1714 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
1715
1716         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
1717         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
1718         jump_bypass): New counters.
1719         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
1720         * dce.c (gate_ud_dce): Same.
1721         (gate_fast_dce): Same.
1722         * dse.c (gate_dse1): New function.
1723         (gate_dse2): New function.
1724         (gate_dse): Merge results of new gate functions.
1725         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
1726         (gate_handle_jump_bypass): Add dbg_cnt.
1727         (gate_handle_gcse): Add dbg_cnt.
1728         * ifcvt.c (gate_handle_if_conversion): Same.
1729         (gate_handle_if_after_combine): Same.
1730         (gate_handle_if_after_reload): Same.
1731         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
1732
1733 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
1734
1735         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
1736         line sizes.
1737         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
1738
1739 2008-02-26  Jason Merrill  <jason@redhat.com>
1740
1741         PR c++/35315
1742         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
1743         alone if it's the naming decl for the type's main variant.
1744
1745 2008-02-26  Tom Tromey  <tromey@redhat.com>
1746
1747         * system.h (USE_MAPPED_LOCATION): Poison.
1748         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
1749         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
1750         (make_goto_expr_edges): Likewise.
1751         (remove_bb): Likewise.
1752         (execute_warn_function_return): Likewise.
1753         * basic-block.h (struct edge_def) <goto_locus>: Change type to
1754         location_t.
1755         * c-common.c (fname_decl): Remove old location code.
1756         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
1757         location code.
1758         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
1759         variant.
1760         (ASM_INPUT_SOURCE_LOCATION): Likewise.
1761         (gen_rtx_ASM_INPUT): Likewise.
1762         (gen_rtx_ASM_INPUT_loc): Likewise.
1763         (get_rtx_asm_OPERANDS): Remove.
1764         * cfglayout.c (insn_locators_alloc): Remove old location code.
1765         (set_curr_insn_source_location): Likewise.
1766         (curr_insn_locator): Likewise.
1767         * print-tree.c (print_node): Remove old location code.
1768         * tree-mudflap.c (mf_varname_tree): Remove old location code.
1769         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
1770         * cfgexpand.c (expand_gimple_cond_expr): Don't use
1771         location_from_locus.
1772         (construct_exit_block): Remove old location code.
1773         * emit-rtl.c (force_next_line_note): Remove old location code.
1774         * profile.c (branch_prob): Remove old location code.
1775         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
1776         LOC_LINE): Remove old-location variants.
1777         * langhooks.c (lhd_print_error_function): Remove old location
1778         code.
1779         * configure, config.in: Rebuilt.
1780         * configure.ac (--enable-mapped-location): Remove.
1781         * c-decl.c (c_init_decl_processing): Remove old location code.
1782         (finish_function): Likewise.
1783         * recog.c (decode_asm_operands): Remove old location code.
1784         * c-pch.c (c_common_read_pch): Remove old location code.
1785         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
1786         variants.
1787         * gimple-low.c (lower_function_body): Remove old location code.
1788         * toplev.c (unknown_location): Remove.
1789         (push_srcloc): Remove old-location variant.
1790         (process_options): Remove old location code.
1791         (lang_dependent_init): Likewise.
1792         * input.h (UNKNOWN_LOCATION): Move definition.
1793         (location_t): Undeprecate.
1794         (source_locus): Remove.
1795         (location_from_locus): Remove.
1796         (struct location_s): Remove.
1797         Remove all old-location code.
1798         (input_line, input_filename): Remove.
1799         * final.c (final_scan_insn): Remove old location code.
1800         * diagnostic.c (diagnostic_build_prefix): Remove
1801         USE_MAPPED_LOCATION test.
1802         * tree.h (gimple_stmt) <locus>: Now a location_t.
1803         (tree_exp) <locus>: Likewise.
1804         (DECL_IS_BUILTIN): Remove old-location variant.
1805         (annotate_with_file_line, annotate_with_locus): Likewise.
1806         (expr_locus, set_expr_locus): Update.
1807         * tree.c (build1_stat): Remove old location code.
1808         (last_annotated_node): Remove.
1809         (annotate_with_file_line): Remove old-location variant.
1810         (annotate_with_locus): Likewise.
1811         (expr_location): Remove old location code.
1812         (set_expr_location): Likewise.
1813         (expr_has_location): Likewise.
1814         (expr_locus): Likewise.
1815         (set_expr_locus): Likewise.
1816         (expr_filename): Don't use location_from_locus.
1817         (expr_lineno): Likewise.
1818         * rtl-error.c (location_for_asm): Remove old location code.
1819         * c-lex.c (cb_line_change): Remove old location code.
1820         (fe_file_change): Likewise.
1821         (cb_def_pragma): Likewise.
1822         (c_lex_with_flags): Likewise.
1823         * gengtype.c (do_typedef): Don't special-case location types.
1824         (define_location_structures): Remove.
1825         (main): Don't call define_location_structures.
1826         * tree-pretty-print.c (dump_implicit_edges): Remove old location
1827         code.
1828
1829 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1830
1831         PR 26264
1832         * builtins.def (BUILT_IN_STDARG_START): Remove.
1833         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
1834         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
1835         * tree-inline.c (inline_forbidden_p_1): Likewise.
1836
1837 2008-02-26  Richard Guenther  <rguenther@suse.de>
1838
1839         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1840         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1841         (lookup_decl_from_uid): Declare.
1842         (remove_decl_from_map): Likewise.
1843         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1844         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1845         (decl_for_uid_map): New global hashtable mapping DECL_UID
1846         to the decl tree.
1847         (init_ttree): Allocate it.
1848         (insert_decl_to_uid_decl_map): New helper function.
1849         (make_node_stat): Insert new decls into the map.
1850         (copy_node_stat): Likewise.
1851         (lookup_decl_from_uid): New function.
1852         (remove_decl_from_map): Likewise.
1853         (print_decl_for_uid_map_statistics): New helper.
1854         (dump_tree_statistics): Call it.
1855
1856         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1857         (referenced_var_iterator): Adjust.
1858         (FOR_EACH_REFERENCED_VAR): Adjust.
1859         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1860         (num_referenced_vars): Adjust.
1861         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1862         (first_referenced_var): Remove.
1863         (end_referenced_vars_p): Likewise.
1864         (next_referenced_var): Likewise.
1865         (referenced_var_iterator_set): New helper function.
1866         * tree-dfa.c (referenced_var_lookup): Adjust.
1867         (referenced_var_check_and_insert): Likewise.
1868         (remove_referenced_var): Likewise.
1869         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1870         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1871         (verify_call_clobbering): Likewise.
1872         (verify_memory_partitions): Likewise.
1873         (init_tree_ssa): Allocate bitmap instead of hashtable for
1874         referenced_vars.
1875         (delete_tree_ssa): Adjust.
1876         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1877         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1878         (compute_tag_properties): Likewise.
1879         (set_initial_properties): Likewise.
1880         (find_partition_for): Likewise.
1881         (update_reference_counts): Likewise.
1882         (dump_may_aliases_for): Likewise.
1883         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1884         (add_call_clobber_ops): Likewise.
1885         (add_call_read_ops): Likewise.
1886         (get_asm_expr_operands): Likewise.
1887         * tree-into-ssa.c (dump_decl_set): Likewise.
1888         (update_ssa): Likewise.
1889         * tree-sra.c (scan_function): Likewise.
1890         (decide_instantiations): Likewise.
1891         (scalarize_parms): Likewise.
1892         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1893         (dsa_named_for): Likewise.
1894         * tree-ssa-structalias.c (update_alias_info): Likewise.
1895         (merge_smts_into): Likewise.
1896
1897 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1898
1899         PR 34351
1900         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
1901         * c-opts.c (c_common_handle_option): Wall enables
1902         Wvolatile-register-var.
1903         * common.opt: Move Wvolatile-register-var to...
1904         * c.opt: ...here.
1905
1906 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1907
1908         * common.opt (Wlarger-than=): New.
1909         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
1910         -Wlarger-than=.
1911         * opts.c (common_handle_option): Handle -Wlarger-than=.
1912         * optc-gen.awk: Likewise.
1913         * opth-gen.awk: Likewise.
1914         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
1915         * tree-optimize.c (tree_rest_of_compilation): Likewise.
1916
1917 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1918
1919         * c-common.c (match_case_to_enum_1): Add appropriate
1920         OPT_W* parameter to warning.
1921         (c_do_switch_warnings): Likewise.
1922         * c-typeck.c (warning_init): Add one more parameter following
1923         'warning' function.
1924         (push_init_level): Update call to warning_init.
1925         (pop_init_level): Likewise.
1926         (add_pending_init): Likewise.
1927         (output_init_element: Likewise.
1928
1929 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1930
1931         PR 28322
1932         * toplev.c (toplev_main): If there are warnings or error, print
1933         errors for ignored options.
1934         * opts.c (ignored_options): New static variable.
1935         (postpone_unknown_option_error): New.
1936         (print_ignored_options): New.
1937         (handle_option): Postpone errors for unknown -Wno-* options.
1938         * opts.h (print_ignored_options): Declare.
1939
1940 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
1941
1942         * config/mips/mips.md (loadgp_blockage, blockage): Change type
1943         to "ghost".
1944
1945 2008-02-25  Richard Guenther  <rguenther@suse.de>
1946
1947         Revert:
1948         2008-02-25  Richard Guenther  <rguenther@suse.de>
1949
1950         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1951         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1952         (lookup_decl_from_uid): Declare.
1953         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1954         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1955         (decl_for_uid_map): New global hashtable mapping DECL_UID
1956         to the decl tree.
1957         (init_ttree): Allocate it.
1958         (insert_decl_to_uid_decl_map): New helper function.
1959         (make_node_stat): Insert new decls into the map.
1960         (copy_node_stat): Likewise.
1961         (lookup_decl_from_uid): New function.
1962         (print_decl_for_uid_map_statistics): New helper.
1963         (dump_tree_statistics): Call it.
1964
1965         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1966         (referenced_var_iterator): Adjust.
1967         (FOR_EACH_REFERENCED_VAR): Adjust.
1968         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1969         (num_referenced_vars): Adjust.
1970         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1971         (first_referenced_var): Remove.
1972         (end_referenced_vars_p): Likewise.
1973         (next_referenced_var): Likewise.
1974         (referenced_var_iterator_set): New helper function.
1975         * tree-dfa.c (referenced_var_lookup): Adjust.
1976         (referenced_var_check_and_insert): Likewise.
1977         (remove_referenced_var): Likewise.
1978         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1979         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1980         (verify_call_clobbering): Likewise.
1981         (verify_memory_partitions): Likewise.
1982         (init_tree_ssa): Allocate bitmap instead of hashtable for
1983         referenced_vars.
1984         (delete_tree_ssa): Adjust.
1985         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1986         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1987         (compute_tag_properties): Likewise.
1988         (set_initial_properties): Likewise.
1989         (find_partition_for): Likewise.
1990         (update_reference_counts): Likewise.
1991         (dump_may_aliases_for): Likewise.
1992         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1993         (add_call_clobber_ops): Likewise.
1994         (add_call_read_ops): Likewise.
1995         (get_asm_expr_operands): Likewise.
1996         * tree-into-ssa.c (dump_decl_set): Likewise.
1997         (update_ssa): Likewise.
1998         * tree-sra.c (scan_function): Likewise.
1999         (decide_instantiations): Likewise.
2000         (scalarize_parms): Likewise.
2001         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2002         (dsa_named_for): Likewise.
2003         * tree-ssa-structalias.c (update_alias_info): Likewise.
2004         (merge_smts_into): Likewise.
2005
2006 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
2007
2008         PR fortran/29549
2009         * doc/invoke.texi (-fcx-limited-range): Document new option.
2010         * toplev.c (process_options): Handle -fcx-fortran-rules.
2011         * common.opt: Add documentation for -fcx-fortran-rules.
2012
2013 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
2014
2015         PR c/35162
2016         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
2017         actual behaviour and C99.
2018
2019 2008-02-26  Ben Elliston  <bje@au.ibm.com>
2020
2021         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
2022         (ASM_CPU_POWER6_SPEC): Likewise.
2023         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
2024         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
2025         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
2026
2027 2008-02-25  Richard Guenther  <rguenther@suse.de>
2028
2029         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2030         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2031         (lookup_decl_from_uid): Declare.
2032         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2033         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2034         (decl_for_uid_map): New global hashtable mapping DECL_UID
2035         to the decl tree.
2036         (init_ttree): Allocate it.
2037         (insert_decl_to_uid_decl_map): New helper function.
2038         (make_node_stat): Insert new decls into the map.
2039         (copy_node_stat): Likewise.
2040         (lookup_decl_from_uid): New function.
2041         (print_decl_for_uid_map_statistics): New helper.
2042         (dump_tree_statistics): Call it.
2043
2044         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2045         (referenced_var_iterator): Adjust.
2046         (FOR_EACH_REFERENCED_VAR): Adjust.
2047         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2048         (num_referenced_vars): Adjust.
2049         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2050         (first_referenced_var): Remove.
2051         (end_referenced_vars_p): Likewise.
2052         (next_referenced_var): Likewise.
2053         (referenced_var_iterator_set): New helper function.
2054         * tree-dfa.c (referenced_var_lookup): Adjust.
2055         (referenced_var_check_and_insert): Likewise.
2056         (remove_referenced_var): Likewise.
2057         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2058         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2059         (verify_call_clobbering): Likewise.
2060         (verify_memory_partitions): Likewise.
2061         (init_tree_ssa): Allocate bitmap instead of hashtable for
2062         referenced_vars.
2063         (delete_tree_ssa): Adjust.
2064         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2065         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2066         (compute_tag_properties): Likewise.
2067         (set_initial_properties): Likewise.
2068         (find_partition_for): Likewise.
2069         (update_reference_counts): Likewise.
2070         (dump_may_aliases_for): Likewise.
2071         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2072         (add_call_clobber_ops): Likewise.
2073         (add_call_read_ops): Likewise.
2074         (get_asm_expr_operands): Likewise.
2075         * tree-into-ssa.c (dump_decl_set): Likewise.
2076         (update_ssa): Likewise.
2077         * tree-sra.c (scan_function): Likewise.
2078         (decide_instantiations): Likewise.
2079         (scalarize_parms): Likewise.
2080         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2081         (dsa_named_for): Likewise.
2082         * tree-ssa-structalias.c (update_alias_info): Likewise.
2083         (merge_smts_into): Likewise.
2084
2085 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
2086
2087         PR target/35258
2088         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
2089         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
2090         * alias.h (nonoverlapping_memrefs_p): Likewise.
2091
2092 2008-02-25  Jan Beulich  <jbeulich@novell.com>
2093
2094         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
2095         * config/i386/netware-libgcc.exp: Add __bswap?i2,
2096         __emultls_get_address, __emultls_register_common,
2097         __floatundi?f, and _Unwind_GetIPInfo.
2098         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
2099         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
2100         (gen_regparm_prefix): Likewise.
2101         (i386_nlm_encode_section_info): Sync with
2102         config/i386/winnt.c:i386_pe_encode_section_info().
2103         (i386_nlm_maybe_mangle_decl_assembler_name): New.
2104         i386_nlm_mangle_decl_assembler_name): New.
2105         (netware_override_options): New.
2106         * config/i386/netware.h (netware_override_options): Declare.
2107         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
2108         (i386_nlm_mangle_decl_assembler_name): Declare.
2109         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
2110
2111 2008-02-25  Ben Elliston  <bje@au.ibm.com>
2112
2113         PR other/32948
2114         * c-decl.c (grokdeclarator): Remove unused local variables
2115         `typedef_type' and `type_as_written'.
2116         * bb-reorder.c
2117         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
2118         unused local variable `has_hot_blocks'.
2119         (fix_crossing_conditional_branches): Remove unused local variable
2120         `prev_bb'.
2121
2122 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
2123
2124         PR middle-end/19984
2125         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
2126         using DEF_C99_BUILTIN.
2127         (BUILT_IN_NANF): Ditto.
2128         (BUILT_IN_NANL): Ditto.
2129
2130 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
2131             Revital Eres  <eres@il.ibm.com>
2132
2133         * modulo-sched.c (calculate_must_precede_follow): Address TODO
2134         regarding the order of two dependent insns in the same row.
2135
2136 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
2137
2138         * stor-layout.c (layout_decl): Do not bump the alignment of a
2139         bit-field to more than byte alignment if it is packed.
2140
2141 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
2142
2143         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
2144         e300c2 and e300c3.
2145
2146 2008-02-24  Diego Novillo  <dnovillo@google.com>
2147
2148         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
2149
2150         PR 33738
2151         * tree-vrp.c (vrp_evaluate_conditional): With
2152         -Wtype-limits, emit a warning when comparing against a
2153         constant outside the natural range of OP0's type.
2154         * c.opt (Wtype-limits): Move ...
2155         * common.opt (Wtype-limits): ... here.
2156
2157 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
2158
2159         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
2160         * config/rs6000/e300c2c3.md: New file.
2161         * config/rs6000/rs6000.c (processor_costs): Add new costs for
2162         e300c2 and e300c3.
2163         (rs6000_override_options): Add e300c2 and e300c3 cases to
2164         processor_target_table. Do not allow usage of Altivec or Spe
2165         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
2166         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
2167         * config/rs6000/rs6000.h (processor_type): Add
2168         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
2169         (ASM_CPU_SPEC): Add e300c2 and e300c3.
2170         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
2171         and ppce300c3. Include e300c2c3.md.
2172
2173 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
2174
2175         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
2176         instead of TARGET_STRICT_ALIGN.
2177
2178 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
2179
2180         * explow.c (memory_address): Assert that the generated address is
2181         valid.
2182
2183 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2184
2185         PR target/25477
2186         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
2187         * config/darwin-ppc-ldouble-patch.def: New file.
2188         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
2189         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
2190         SUBTARGET_INIT_BUILTINS if defined.
2191         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
2192         New functions.
2193
2194 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2195
2196         PR rtl-opt/33512
2197         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
2198         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
2199
2200 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2201
2202         PR pch/35027
2203         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
2204         file" warning condtional on -Winvalid-PCH.
2205
2206 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
2207
2208         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
2209
2210 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
2211
2212         PR target/22076
2213         PR target/34256
2214         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
2215         prevent reload from using MMX registers.
2216         (*mov<mode>_internal): Ditto.
2217         (*movv2sf_internal_rex64): Ditto.
2218         (*movv2sf_internal): Ditto.
2219
2220 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2221
2222         PR documentation/31569
2223         * doc/install.texi2html: Use makeinfo --no-number-sections.
2224
2225 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
2226
2227         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
2228         ensure that we can address an entire entity > 8 bytes.  Don't
2229         generate reg+reg addressing for such data.
2230
2231 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
2232
2233         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
2234         strings when optimizing for size, unless the target cares about
2235         alignment.
2236
2237 2008-02-22  Tom Tromey  <tromey@redhat.com>
2238
2239         * regclass.c (current_pass): Remove declaration.
2240
2241 2008-02-22  Anatoly Sokolov <aesok@post.ru>
2242
2243         * config/avr/libgcc.S (__RAMPZ__): Define.
2244         (__do_copy_data): Add for devices with 128KB code memory.
2245
2246 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
2247
2248         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
2249         Use spe_abi.
2250         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
2251
2252 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
2253
2254         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
2255         GENNONACR_REGS.
2256
2257 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2258
2259         PR c/19999
2260         * c-typeck.c (build_binary_op): Warn about floating point
2261         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
2262
2263 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
2264
2265         PR target/34526
2266         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
2267         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
2268         add vrsave.
2269         (rs6000_override_options): Set altivec_abi as default, not override,
2270         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
2271         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
2272         is used; use new member spe_abi.
2273         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
2274         spe_abi and altivec_abi.
2275
2276 2008-02-22  Tomas Bily  <tbily@suse.cz>
2277
2278         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
2279
2280 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2281
2282         PR bootstrap/35273
2283         * config.build (build_file_translate): Set to `CMD //c' only if
2284         it works.
2285         * Makefile.in (build_file_translate): Improve comment.
2286
2287 2008-02-21  Jan Hubicka  <jh@suse.cz>
2288
2289         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
2290         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
2291         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
2292
2293 2008-02-21  Michael Matz  <matz@suse.de>
2294
2295         PR target/35264
2296         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
2297
2298 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
2299
2300         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
2301         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
2302         as insn constraint.
2303         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
2304         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
2305         SSE_VEC_FLOAT_MODE_P as insn constraint.
2306         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
2307         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
2308         sse4a_movntdf using MODEF mode iterator.
2309         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
2310         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
2311         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
2312         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
2313         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
2314         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
2315         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
2316
2317 2008-02-21  Richard Guenther  <rguenther@suse.de>
2318
2319         * tree.def (PAREN_EXPR): New tree code.
2320         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
2321         and PAREN_EXPR.
2322         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
2323         * expr.c (expand_expr_real_1): Likewise.
2324         * tree-inline.c (estimate_num_insns_1): Likewise.
2325         * tree-complex.c (expand_complex_move): Likewise.
2326         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
2327         as plain x.
2328
2329 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
2330
2331         PR target/35225
2332         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
2333
2334 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
2335
2336         PR target/35190
2337         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
2338
2339         * config/sh/sh.c (find_barrier): Don't go past
2340         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
2341
2342 2008-02-20  DJ Delorie  <dj@redhat.com>
2343
2344         * config/h8300/h8300.md (insv): Force source operand to be a register.
2345
2346         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
2347         as a jump, not as a plain insn.
2348
2349 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
2350
2351         * doc/invoke.texi (Warning Options): Add new option
2352         -Wframe-larger-than=.
2353         (-Wframe-larger-than): Document.
2354
2355         * flags.h (warn_frame_larger_than, frame_larger_than_size):
2356         Add declarations for new option variables.
2357
2358         * final.c (final_start_function): Check the frame size
2359         before emission and issue a Wframe-larger-than warning.
2360
2361         * opts.c (warn_frame_larger_than, frame_larger_than_size):
2362         Add definitions for new option variables.
2363         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
2364
2365         * common.opt (Wframe-larger-than=): New option.
2366
2367 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
2368
2369         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
2370         (<sse>_div<mode>3): Ditto.
2371         (<sse>_vmdiv<mode>3): Ditto.
2372         (<sse>_vmsqrt<mode>2): Ditto.
2373         (*smax<mode>3): Ditto.
2374         (sse5_frcz<mode>2): Ditto.
2375         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
2376         as insn constraint.
2377
2378 2008-02-20  Richard Guenther  <rguenther@suse.de>
2379
2380         PR middle-end/35265
2381         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
2382         be happy with INTEGRAL_TYPE_P.
2383
2384 2008-02-20  Richard Guenther  <rguenther@suse.de>
2385
2386         * fold-const.c (split_tree): Associate floatig-point expressions
2387         if flag_associative_math is set.
2388
2389 2008-02-20  Richard Guenther  <rguenther@suse.de>
2390
2391         * tree.h (fold_real_zero_addition_p): Declare.
2392         * fold-const.c (fold_real_zero_addition_p): Export.
2393         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
2394         floating-point operations with zero and one.
2395
2396 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
2397
2398         * doc/install.texi: Correct references to CFLAGS, replacing them
2399         with BOOT_CFLAGS.  Document flags used during bootstrap for
2400         target libraries.
2401
2402 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
2403
2404         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
2405         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
2406         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
2407         insn constraint.
2408         (smin<mode>3): Ditto from similar patterns.
2409         (smax<mode>3): Ditto.
2410         (*ieee_smin<mode>3): Ditto.
2411         (*ieee_smax<mode>3): Ditto.
2412         * config/i386/sse.md (sse): New mode attribute.
2413         (mov<mode>): Macroize expander from movv4sf and movv2df using
2414         SSEMODEF2P mode iterator.
2415         (<sse>_movnt<mode>): Ditto from similar patterns. Use
2416         SSE_VEC_FLOAT_MODE_P as insn constraint.
2417         (storent<mode>): Ditto.
2418         (storent<mode>): Macroize expander from storentsf and storentdf using
2419         MODEF mode iterator.
2420         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
2421         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
2422         (abs<mode>2): Ditto from similar patterns.
2423         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
2424         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
2425         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
2426         (<sse>_vmsqrt<mode>2): Ditto.
2427         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
2428         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
2429         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
2430         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
2431         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
2432         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
2433         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
2434         insn constraint.
2435         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
2436         iterator and SSE_FLOAT_MODE_P as insn constraint.
2437         (<sse>_ucomi): Ditto from similar patterns.
2438         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
2439         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
2440         SSE_VEC_FLOAT_MODE_P as insn constraint.
2441         (vcond<mode>): Ditto from similar patterns.
2442         (and<mode>3, *and<mode>3): Ditto.
2443         (<sse>_nand<mode>3): Ditto.
2444         (ior<mode>3, *ior<mode>3): Ditto.
2445         (xor<mode>3, *xor<mode>3): Ditto.
2446         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
2447         iterator and SSE_FLOAT_MODE_P as insn constraint.
2448         (*nand<mode>3): Ditto from similar patterns.
2449         (*ior<mode>3): Ditto.
2450         (*xor<mode>3): Ditto.
2451
2452 2008-02-20  Ira Rosen  <irar@il.ibm.com>
2453
2454         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
2455         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
2456         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
2457
2458 2008-02-19  Jan Hubicka  <jh@suse.cz>
2459
2460         * predict.c (tree_bb_level_predictions): Remove variable next
2461         mistakely introduced by previous commit.
2462
2463 2008-02-19  Jan Hubicka  <jh@suse.cz>
2464
2465         * predict.c (predict_paths_leading_to): Rewrite.
2466         (predict_paths_for_bb): New.
2467         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
2468
2469 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2470
2471         PR bootstrap/35218
2472         * Makefile.in (build_file_translate): New.
2473         (gcc-vers.texi): Use it for translating $(abs_srcdir).
2474         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
2475         * configure.ac (build_file_translate): Substitute it.
2476         * configure: Regenerate.
2477
2478 2008-02-19  Jan Hubicka  <jh@suse.cz>
2479
2480         PR rtl-optimization/34408
2481         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
2482         invalid sharing.
2483
2484 2008-02-19  Jan Hubicka  <jh@suse.cz>
2485
2486         PR middle-end/28779
2487         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
2488         call_expr.
2489
2490 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
2491
2492         PR Ada/35186
2493         * config/i386/i386-modes.def: Revert the last DI alignment
2494         change until Ada people can look into it.
2495
2496 2008-02-19  Nick Clifton  <nickc@redhat.com>
2497
2498         * opts.c (print_specific_help): Fix typo in --help text.
2499
2500 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
2501
2502         PR target/35239
2503         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
2504         32-bit inline asm without asm alternatives for host GCC < 3.0.
2505
2506 2008-02-19  Richard Guenther  <rguenther@suse.de>
2507
2508         PR tree-optimization/34989
2509         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
2510         Allow propagation to INDIRECT_REF if we can simplify only.
2511
2512 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2513
2514         * c-common.c (warn_for_collisions_1): Use appropriate option when
2515         warning.
2516
2517 2008-02-19  Nick Clifton  <nickc@redhat.com>
2518
2519         PR other/31349
2520         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
2521         (handle_options): Fix indentation.
2522         (print_filtered_help): If no language-specific options were
2523         displayed tell the user how to list all the options supported by
2524         the language's front-end.
2525         (print_specific_help): Fix indentation and remove duplicate line.
2526         (common_handle_option): Handle the -v option.
2527         For --help enable the display of undocumented options if the -v
2528         switch has been included on the command line.
2529         For --help= check for overlaps in the arguments between the option
2530         classes and the language names and issue a warning when they
2531         cannot be disambiguated.
2532         * c.opt (v): Pass on to the common option handler.
2533
2534 2008-02-19  Revital Eres  <eres@il.ibm.com>
2535
2536         * modulo-sched.c (sms_schedule): Change dump message when
2537         create_ddg function fails.
2538         (try_scheduling_node_in_cycle): Rename row to cycle.
2539         (print_partial_schedule): Rename CYCLE to ROW.
2540
2541 2008-02-19  Christian Bruel  <christian.bruel@st.com>
2542             Zdenek Dvorak  <ook@ucw.cz>
2543
2544         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
2545
2546 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
2547
2548         PR target/33555
2549         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
2550         (*x86_movdicc_0_m1_se): Ditto.
2551
2552 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
2553
2554         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
2555         (CMPtype): Define as __gcc_CMPtype.
2556         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
2557         (CMPtype): Define as __gcc_CMPtype.
2558
2559 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
2560
2561         Support valgrind 3.3 for --enable-checking=valgrind.
2562         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
2563         here.
2564         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
2565         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
2566         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
2567         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
2568         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
2569         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
2570         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
2571         respectively.
2572         * ggc-zone.c: Similar.
2573         * ggc-page.c: Similar.
2574
2575 2008-02-19  Paul Brook  <paul@codesourcery.com>
2576
2577         PR target/35071
2578         * config/arm/ieee754-df.S: Fix do_it typo.
2579         * config/arm/ieee754-sf.S: Fix do_it typo.
2580
2581 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
2582
2583         PR target/35189
2584         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
2585         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
2586         (OPTION_MASK_ISA_SSE_SET): Likewise.
2587         (OPTION_MASK_ISA_SSE2_SET): Likewise.
2588         (OPTION_MASK_ISA_SSE3_SET): Likewise.
2589         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
2590         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
2591         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
2592         (OPTION_MASK_ISA_SSE4_SET): Likewise.
2593         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
2594         (OPTION_MASK_ISA_SSE5_SET): Likewise.
2595         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
2596         (OPTION_MASK_ISA_MMX_UNSET): Updated.
2597         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
2598         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
2599         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
2600         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
2601         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
2602         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
2603         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
2604         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
2605         (OPTION_MASK_ISA_SSE4): Removed.
2606         (ix86_handle_option): Turn on bits in ix86_isa_flags and
2607         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
2608         (override_options): Don't turn on implied SSE/MMX bits in
2609         ix86_isa_flags.
2610
2611 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
2612
2613         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2614         32bit host.
2615
2616 2008-02-18  Joey Ye  <joey.ye@intel.com>
2617
2618         PR middle-end/34921
2619         * tree-nested.c (insert_field_into_struct): Set type alignment
2620         to field alignment if the former is less than the latter.
2621
2622 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
2623
2624         * BASE-VER: Set to 4.4.0.
2625
2626 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2627
2628         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
2629         * doc/cfg.texi: Likewise.
2630         * doc/extend.texi: Likewise.
2631         * doc/gty.texi: Likewise.
2632         * doc/invoke.texi: Likewise.
2633         * doc/loop.texi: Likewise.
2634         * doc/md.texi: Likewise.
2635         * doc/passes.texi: Likewise.
2636         * doc/rtl.texi: Likewise.
2637         * doc/sourcebuild.texi: Likewise.
2638         * doc/tm.texi: Likewise.
2639         * doc/tree-ssa.texi: Likewise.
2640
2641 2008-02-17  Richard Guenther  <rguenther@suse.de>
2642
2643         PR middle-end/35227
2644         * tree-complex.c (init_parameter_lattice_values): Handle parameters
2645         without default definition.
2646
2647 2008-02-17  Richard Guenther  <rguenther@suse.de>
2648
2649         PR tree-optimization/35231
2650         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
2651         if A | B != 1.
2652
2653 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
2654
2655         Revert:
2656
2657         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
2658         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
2659         libgcc_cmp_return mode.
2660
2661 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2662
2663         PR c/28368
2664         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
2665
2666 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
2667
2668         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
2669         multilibs.
2670
2671 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2672
2673         * doc/c-tree.texi: Use `@.' where appropriate.
2674         * doc/extend.texi: Likewise.
2675         * doc/install.texi: Likewise.
2676         * doc/invoke.texi: Likewise.
2677         * doc/loop.texi: Likewise.
2678         * doc/makefile.texi: Likewise.
2679         * doc/md.texi: Likewise.
2680         * doc/passes.texi: Likewise.
2681         * doc/standards.texi: Likewise.
2682         * doc/tm.texi: Likewise.
2683
2684 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
2685
2686         PR middle-end/35196
2687         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
2688         in entry_bb.
2689         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
2690         rather than in entry_bb.
2691
2692 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
2693
2694         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
2695         libgcc_cmp_return mode.
2696
2697 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
2698
2699         PR middle-end/35130
2700         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
2701         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
2702
2703 2008-02-15  Richard Guenther  <rguenther@suse.de>
2704             Zdenek Dvorak  <ook@ucw.cz>
2705
2706         PR tree-optimization/35164
2707         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
2708         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
2709         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
2710         Only propagate addresses which do not have abnormal SSA_NAMEs
2711         in their operands.
2712
2713 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
2714
2715         PR target/35088
2716         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
2717
2718 2008-02-15  Jan Hubicka  <jh@suse.cz>
2719
2720         PR middle-end/35149
2721         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
2722
2723 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
2724
2725         PR middle-end/34621
2726         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
2727         when calculating alignment_pad.
2728
2729 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
2730
2731         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
2732         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
2733         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
2734         and STACK_BOUNDARY define.
2735
2736 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
2737
2738         PR preprocessor/35061
2739         * c-pragma.c (handle_pragma_pop_macro): Check that
2740         pushed_macro_table has been allocated.
2741
2742 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
2743
2744         PR middle-end/35136
2745         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
2746         (force_gimple_operand): Likewise.
2747         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
2748         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
2749         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
2750         (find_interesting_uses_address): Check addressability and alignment
2751         of the base expression only after substituting bases of IVs into it.
2752
2753 2008-02-14  Michael Matz  <matz@suse.de>
2754
2755         PR target/34930
2756         * function.c (instantiate_virtual_regs_in_insn): Reload address
2757         before falling back to reloading the whole operand.
2758
2759 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
2760
2761         * config/s390/s390.c (s390_mainpool_start): Emit the pool
2762         before the first section switch note.
2763
2764 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2765
2766         * doc/bugreport.texi: Update copyright years.
2767         * doc/c-tree.texi: Likewise.
2768         * doc/cfg.texi: Likewise.
2769         * doc/cpp.texi: Likewise.
2770         * doc/cppinternals.texi: Likewise.
2771         * doc/fragments.texi: Likewise.
2772         * doc/frontends.texi: Likewise.
2773         * doc/gcc.texi: Likewise.
2774         * doc/gty.texi: Likewise.
2775         * doc/hostconfig.texi: Likewise.
2776         * doc/implement-c.texi: Likewise.
2777         * doc/libgcc.texi: Likewise.
2778         * doc/loop.texi: Likewise.
2779         * doc/makefile.texi: Likewise.
2780         * doc/options.texi: Likewise.
2781         * doc/passes.texi: Likewise.
2782         * doc/rtl.texi: Likewise.
2783         * doc/sourcebuild.texi: Likewise.
2784         * doc/standards.texi: Likewise.
2785         * doc/tree-ssa.texi: Likewise.
2786         * doc/trouble.texi: Likewise.
2787
2788         * doc/extend.texi: Use @: or add comma where appropriate.
2789         * doc/invoke.texi: Likewise.
2790         * doc/tm.texi: Likewise.
2791
2792 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
2793
2794         PR target/34393
2795         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
2796         to a reg.
2797
2798 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
2799
2800         * doc/md.texi (clz, ctz): Add reference.
2801         * doc/rtl.texi (clz, ctz): Likewise.
2802
2803 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2804
2805         PR other/35148
2806         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
2807         srcdir.
2808
2809 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
2810
2811         * config/s390/s390.c (struct constant_pool): New field
2812         emit_pool_after added.
2813         (s390_mainpool_start): Set the emit_pool_after flag according
2814         to the section switch notes.
2815         (s390_mainpool_finish): Consider emit_pool_after when emitting
2816         the literal pool at the end of the function.
2817         (s390_chunkify_start): Force literal pool splits at section
2818         switch notes.
2819
2820 2008-02-13  Michael Matz  <matz@suse.de>
2821
2822         PR debug/35065
2823         * var-tracking.c (clobber_variable_part): Correctly traverse the
2824         list.
2825
2826 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2827
2828         PR 29673
2829         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
2830         Add -fdump-ipa-inline.
2831         * tree-dump.c (dump_files): Remove tree-inlined dump.
2832         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
2833
2834 2008-02-12  Richard Guenther  <rguenther@suse.de>
2835
2836         PR tree-optimization/35171
2837         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
2838         default defs.
2839
2840 2008-02-12  Richard Guenther  <rguenther@suse.de>
2841
2842         PR middle-end/35163
2843         * fold-const.c (fold_widened_comparison): Use get_unwidened in
2844         value-preserving mode.  Disallow final truncation.
2845
2846 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2847
2848         PR middle-end/35136
2849         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
2850         code from here to...
2851         (force_gimple_operand): ...here.
2852
2853 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
2854
2855         PR c++/35144
2856         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
2857         non-compatible pointers.
2858         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
2859         different FIELD_DECLs, try harder by comparing field offsets, sizes
2860         and types.
2861
2862         PR inline-asm/35160
2863         * function.c (match_asm_constraints_1): Don't replace the same input
2864         multiple times.
2865
2866 2008-02-12  Anatoly Sokolov <aesok@post.ru>
2867
2868         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
2869         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
2870         (expand_epilogue): Restore RAMPZ register.
2871         * config/avr/avr.md (RAMPZ_ADDR): New constant.
2872
2873 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
2874
2875         * config/i386/cygwin.asm: (__alloca): Correct calling
2876         convention and alignment.
2877         (__chkstk): Force 8 byte stack alignment.
2878
2879 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
2880             Richard Guenther  <rguenther@suse.de>
2881
2882         PR tree-optimization/33992
2883         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
2884         the zero we compare against.
2885
2886 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
2887
2888         PR libfortran/35063
2889         * gthr-win32.h (__gthread_mutex_destroy_function): New function
2890         to CloseHandle after unlocking to prevent accumulation of handle
2891         count.
2892
2893 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2894
2895         PR middle_end/34150
2896         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
2897         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
2898         and update LABEL_NUSES during and after reload.
2899
2900 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
2901
2902         PR middle-end/34627
2903         * combine.c (simplify_if_then_else): Make sure the comparison is
2904         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
2905
2906 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
2907
2908         PR bootstrap/35051
2909         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
2910         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
2911         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
2912         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
2913         * tree.h (get_type_static_bounds): Likewise.
2914
2915 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2916
2917         * doc/invoke.texi (Option Summary, C++ Dialect Options)
2918         (Objective-C and Objective-C++ Dialect Options, Warning Options):
2919         Make -Wfoo language annotations match what the compiler outputs.
2920
2921 2008-02-08  Sa Liu  <saliu@de.ibm.com>
2922
2923         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
2924         intrinsics spu_convts, spu_convtu, spu_convtf.
2925         * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
2926
2927 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
2928
2929         * doc/extend.texi (Function Attributes) <noinline>: Mention
2930         asm ("") as method to keep calls.
2931
2932 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2933
2934         PR other/32754
2935         * doc/options.texi (Options): Replace references to opts.sh with
2936         optc-gen.awk.
2937         * opts-common.c: Likewise.
2938         * optc-gen.awk: Likewise.
2939
2940 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
2941
2942         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
2943
2944 2008-02-07  Richard Henderson  <rth@redhat.com>
2945
2946         PR rtl-opt/33410
2947         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
2948         EXPR_LIST for the REG_EQUAL instead of a comparison with a
2949         funny mode.
2950
2951 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
2952
2953         PR tree-optimization/35085
2954         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
2955         for operand entry oe2 in addition to operand entry oe3 in order to
2956         expose more opportunities for vectorizer sum reduction.
2957
2958 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2959
2960         PR other/35107
2961         * Makefile.in (LIBS): Remove $(GMPLIBS).
2962         (cc1-dummy, cc1): Add $(GMPLIBS).
2963
2964 2008-02-06  Jan Hubicka  <jh@suse.cz>
2965
2966         PR target/23322
2967         * i386.md (moddf_integer): Do not produce partial memory stalls for
2968         targets where it hurts.
2969
2970 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
2971
2972         PR target/35083
2973         * optabs.c (expand_float): Do not check for decimal modes when
2974         expanding unsigned integer through signed conversion.
2975
2976 2008-02-06  Nick Clifton  <nickc@redhat.com>
2977
2978         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
2979         inside the clobber with a match_operand and duplicated operand
2980         number in the constraint.
2981         (ineqbranchsi): Delete redundant comment.
2982
2983 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
2984
2985         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
2986         builtin_define ("__USE_INIT_FINI__").
2987         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
2988         -msx multilibs.
2989         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
2990
2991 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2992
2993         PR documentation/30330
2994         * doc/invoke.texi (C++ Dialect Options)
2995         (Objective-C and Objective-C++ Dialect Options, Warning Options):
2996         For each warning option -Wfoo that allows -Wno-foo, ensure both
2997         -Wfoo and -Wno-foo are listed in the option index.  Fix index
2998         entry of -Wswitch-default, index -Wnormalized= including the
2999         `=', and -Wlarger-than-@var{len} including @var{len}.
3000
3001 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
3002
3003         * config/i386/i386.md (floatunssisf2): Use
3004         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
3005         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
3006         Macroize expander using MODEF mode iterator.
3007
3008 2008-02-05  Diego Novillo  <dnovillo@google.com>
3009
3010         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
3011
3012         PR 33738
3013         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
3014
3015 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3016
3017         PR other/35070
3018         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
3019
3020 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
3021
3022         PR target/35084
3023         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
3024         to indicate if a message should be generated.
3025         (init_cumulative_args): Updated.
3026         (function_value_32): Likewise.
3027
3028 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
3029
3030         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
3031
3032 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
3033
3034         PR target/35083
3035         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
3036         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
3037
3038 2008-02-04  Diego Novillo  <dnovillo@google.com>
3039
3040         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
3041
3042         PR 33738
3043         * tree-vrp.c (vrp_evaluate_conditional): With
3044         -Wtype-limits, emit a warning when comparing against a
3045         constant outside the natural range of OP0's type.
3046
3047 2008-02-04  Richard Guenther  <rguenther@suse.de>
3048
3049         PR middle-end/33631
3050         * expr.c (count_type_elements): Give for unions instead of
3051         guessing.
3052
3053 2008-02-04  Richard Guenther  <rguenther@suse.de>
3054
3055         PR middle-end/35043
3056         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
3057         to TYPE_DOMAINs base type instead of using bitsizetype here.
3058
3059 2008-02-03  Jason Merrill  <jason@redhat.com>
3060
3061         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
3062
3063 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3064
3065         PR other/29972
3066         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
3067         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
3068         (RS/6000 and PowerPC Options): Fix typos and markup.
3069         * doc/passes.texi (Tree-SSA passes): Likewise.
3070
3071 2008-02-02  Michael Matz  <matz@suse.de>
3072
3073         PR target/35045
3074         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
3075         from record_last_reg_set_info.
3076         (record_last_reg_set_info): Take an RTX argument, iterate over all
3077         constituent hardregs.
3078         (record_last_set_info, record_opr_changes): Change calls to
3079         new signature or to record_last_reg_set_info_regno.
3080
3081 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
3082
3083         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
3084
3085 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
3086
3087         PR rtl-optimization/34773
3088         * reg-notes.def (EQUAL): Mention significance of combination of
3089         REG_EQUAL and REG_RETVAL.
3090         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
3091         insn that has a REG_RETVAL.
3092
3093 2008-02-01  Roger Sayle  <roger@eyesopen.com>
3094
3095         PR bootstrap/33781
3096         * configure.ac (--enable-fixed-point): Disable unless explicitly
3097         requested on IRIX.
3098         * configure: Regenerate.
3099
3100 2008-02-01  Richard Guenther  <rguenther@suse.de>
3101
3102         PR other/35042
3103         * invoke.texi (-finline-limit): Remove no longer true parts
3104         of the documentation.  Note that there is no default value.
3105
3106 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
3107             Mark Mitchell  <mark@codesourcery.com>
3108             Ben Elliston  <bje@au.ibm.com>
3109
3110         PR c/29326
3111         * doc/extend.texi (Other Builtins): Document.
3112
3113 2008-01-31  Tom Browder <tom.browder@gmail.com>
3114
3115         * doc/c-tree.texi (Types): Fix grammar.
3116         (Expression trees): Ditto.
3117         * doc/passes.texi (Tree-SSA passes): Ditto.
3118
3119         * doc/configterms.texi (Configure Terms): Fix typo.
3120         * doc/cpp.texi (Common Predefined Macros): Ditto.
3121         * doc/md.texi (Machine Constraints): Ditto.
3122
3123         * doc/makefile.texi (Makefile): Add comma.
3124
3125 2008-01-31  Tom Browder  <tom.browder@gmail.com>
3126             Gerald Pfeifer  <gerald@pfeifer.com>
3127
3128         * doc/sourcebuild.texi (Front End): Remove references to CVS
3129         and CVSROOT/modules.
3130         (Texinfo Manuals): Replace reference to CVS by one to SVN.
3131         (Back End): Remove reference to CVS.
3132
3133 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
3134
3135         PR target/34900
3136         * config/mips/mips.c (gen_load_const_gp): New function, taking a
3137         comment from...
3138         (mips16_gp_pseudo_reg): ...here.
3139         * config/mips/mips.md (load_const_gp): Replace with...
3140         (load_const_gp_<mode>): ...this :P-based insn.
3141
3142 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3143
3144         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
3145         options. Minor fixes.
3146         (-std): Move reference to standards closer to where language
3147         standards are first mentioned.
3148
3149 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
3150
3151         PR rtl-optimization/34995
3152         * reload.c (alternative_allows_const_pool_ref): Take an rtx
3153         parameter and return a bool.  If the rtx parameter is nonnull,
3154         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
3155         (find_reloads): Update call accordingly.  Pass the new operand
3156         if it needed no address reloads, otherwise pass null.
3157
3158 2008-01-30  Richard Henderson  <rth@redhat.com>
3159
3160         PR c/34993
3161         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
3162         for unbounded arrays.
3163
3164 2008-01-30  Silvius Rus  <rus@google.com>
3165
3166         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
3167
3168 2008-01-30  Jan Hubicka  <jh@suse.cz>
3169
3170         PR target/34982
3171         * i386.c (init_cumulative_args): Use real function declaration when
3172         calling locally.
3173
3174 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
3175
3176         PR rtl-optimization/34998
3177         * global.c (build_insn_chain): Treat non-subreg_lowpart
3178         SUBREGs of pseudos as clobbering all the words covered by the
3179         SUBREG, not just all the bytes.
3180         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
3181         original df_ref rather than an extract parameter.
3182         (global_conflicts): Update call accordingly.
3183
3184 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
3185
3186         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
3187         the overflow check to make it easier to read.
3188         (__fixtfdi): Change the type of the ll member in union
3189         long_double to UDItype_x.
3190
3191 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
3192
3193         PR middle-end/34969
3194         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
3195         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
3196         * tree-inline.c (fold_marked_statements): Call
3197         cgraph_update_edges_for_call_stmt if folding a call statement.
3198         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
3199         debug_generic_stmt calls, reset it back afterwards.
3200
3201         PR c/35017
3202         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
3203         static decls.
3204         * c-typeck.c (build_external_ref): Don't pedwarn about
3205         static vars in current function's scope.
3206
3207 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
3208
3209         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
3210
3211 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
3212
3213         PR c/35002
3214         * ipa-struct-reorg.c: Fix spelling.
3215         * params.def: Ditto.
3216
3217 2008-01-29  Richard Guenther  <rguenther@suse.de>
3218
3219         PR middle-end/35006
3220         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
3221         field.
3222         * tree-inline.c (remap_type): Increment remapping_type_depth
3223         around remapping types.
3224         (copy_body_r): Only add referenced variables if they are referenced
3225         from code, not types.
3226
3227 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
3228
3229         PR c++/34055
3230         PR c++/34103
3231         PR c++/34219
3232         PR c++/34606
3233         PR c++/34753
3234         PR c++/34754
3235         PR c++/34755
3236         PR c++/34919
3237         PR c++/34961
3238         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
3239         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
3240
3241 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
3242
3243         PR target/34412
3244         * config/avr/avr.c (expand_prologue): Use correct QI mode frame
3245         pointer for tiny stack.
3246
3247 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
3248
3249         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
3250
3251 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
3252
3253         * config/vx-common.h: Fix typo in comment.
3254
3255 2008-01-28  Ian Lance Taylor  <iant@google.com>
3256
3257         PR c++/34862
3258         PR c++/33407
3259         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
3260         coalesce pointers if they have different DECL_NO_TBAA_P values.
3261         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
3262         between variables with different DECL_NO_TBAA_P values.
3263
3264 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
3265
3266         PR 31535
3267         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
3268         are not legitimate small data references on SPE targets.
3269
3270 2008-01-28  David Daney  <ddaney@avtrex.com>
3271
3272         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
3273
3274 2008-01-28  David Daney  <ddaney@avtrex.com>
3275
3276         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
3277
3278 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
3279
3280         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
3281         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
3282         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
3283         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
3284         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
3285         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
3286         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
3287         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
3288
3289 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
3290
3291         * basic-block.h (condjump_equiv_p): Fix comment.
3292
3293 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
3294
3295         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
3296         print_generic_stmt_indented): Fix comment.
3297
3298 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
3299
3300         * configure.ac (__stack_chk_fail): Add detecion for availability
3301         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
3302         * configure: Regenerate.
3303
3304 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
3305
3306         PR middle-end/34688
3307         * final.c (output_addr_const): Handle TRUNCATE.
3308
3309 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
3310
3311         PR target/34711
3312         * tree-ssa-loop-ivopts.c (comp_cost): New type.
3313         (zero_cost, infinite_cost): New constants.
3314         (struct cost_pair): Change type of cost to comp_cost.
3315         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
3316         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
3317         New functions.
3318         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
3319         split_address_cost, ptr_difference_cost, difference_cost,
3320         get_computation_cost_at, get_computation_cost,
3321         determine_use_iv_cost_generic, determine_use_iv_cost_address,
3322         determine_use_iv_cost_condition, determine_use_iv_costs,
3323         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
3324         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
3325         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
3326         Change type of cost to comp_cost.
3327         (determine_iv_cost): Increase cost of non-original ivs, instead
3328         of decreasing the cost of original ones.
3329         (get_address_cost): Indicate the complexity of the addressing mode
3330         in comp_cost.
3331         (try_add_cand_for): Prefer using ivs not specific to some object.
3332         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
3333
3334 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
3335             Janis Johnson  <janis187@us.ibm.com>
3336
3337         PR target/34814
3338         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
3339         (TARGET_INSTANTIATE_DECLS): Likewise.
3340         * target.h (expand_to_rtl_hook): New target hook.
3341         (instantiate_decls): Likewise.
3342         * function.c (instantiate_decl): Make non-static.  Rename to...
3343         (instantiate_decl_rtl): ... this.
3344         (instantiate_expr): Use instantiate_decl_rtl.
3345         (instantiate_decls_1): Likewise.
3346         (instantiate_decls): Likewise.
3347         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
3348         * function.h (instantiate_decl_rtl): Add prototype.
3349         * cfgexpand.c (target.h): New include.
3350         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
3351         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
3352         (TARGET_INSTANTIATE_DECLS): Likewise.
3353         (TARGET_INITIALIZER): New target hooks added.
3354         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
3355         New prototype.
3356         * config/rs6000/rs6000.c (tree-flow.h): New include.
3357         (machine_function): Add sdmode_stack_slot field.
3358         (rs6000_alloc_sdmode_stack_slot): New function.
3359         (rs6000_instantiate_decls): Likewise.
3360         (rs6000_secondary_memory_needed_rtx): Likewise.
3361         (rs6000_check_sdmode): Likewise.
3362         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
3363         (TARGET_INSTANTIATE_DECLS): Likewise.
3364         (rs6000_hard_regno_mode_ok): Allow SDmode.
3365         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
3366         (rs6000_emit_move): Handle SDmode.
3367         (function_arg_advance): Likewise.
3368         (function_arg): Likewise.
3369         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
3370         SDmode var args for 32-bit compiles.
3371         (rs6000_secondary_reload_class): Handle SDmode.
3372         (rs6000_output_function_epilogue): Likewise.
3373         (rs6000_function_value): Simplify if statement.
3374         (rs6000_libcall_value): Likewise.
3375         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
3376         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
3377         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
3378         (movsd_hardfloat): New define_insn.
3379         (movsd_softfloat): Likewise.
3380         (movsd_store): Likewise.
3381         (movsd_load): Likewise.
3382         (extendsddd2): Likewise.
3383         (extendsdtd2): Likewise.
3384         (truncddsd2): Likewise.
3385         (movdd_hardfloat64): Fixup comment.
3386         (UNSPEC_MOVSD_LOAD): New constant.
3387         (UNSPEC_MOVSD_STORE): Likewise.
3388
3389 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
3390
3391         PR c++/34965
3392         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
3393         TRUTH_XOR_EXPR.
3394         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
3395         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
3396         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
3397         and TRUTH_XOR_EXPR.
3398
3399 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
3400
3401         PR target/34794
3402         * config.gcc: Separate AIX 5.3 from AIX 6.1.
3403         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3404         __LONGDOUBLE128 too.
3405         * config/rs6000/aix61.h: New file.
3406
3407 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
3408
3409         PR rtl-optimization/34959
3410         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
3411         popcount and parity rtxes the same mode as their operand.
3412         Truncate or extend the result to the return value's mode
3413         if necessary.
3414
3415 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
3416
3417         PR target/34981
3418         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
3419         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
3420         to GOT_VERSION_REGNUM.
3421         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
3422         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
3423         * config/mips/mips.c (mips_emit_call_insn): New function.
3424         (mips_call_tls_get_addr): Call mips_expand_call directly.
3425         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
3426         emit_call_insn.
3427         (mips16_build_call_stub): Likewise.  Return the call insn or null.
3428         (mips_expand_call): Update the call to mips16_build_call_stub
3429         accordingly and a remove redundant condition.  Assert that MIPS16
3430         stubs do not use lazy binding.  Use mips_emit_call_insn and return
3431         the call insn.
3432         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
3433         TARGET_USE_GOT.
3434         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
3435         (mips_avoid_hazard): Remove hazard_set handling.
3436         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
3437         (UNSPEC_RESTORE_GP): ...this.
3438         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
3439         (FAKE_CALL_REGNO): Rename to...
3440         (GOT_VERSION_REGNUM): ...this.
3441         (type): Add "ghost" value.  Add an associated insn reservation.
3442         (hazard_set): Remove.
3443         (exception_receiver): Rename to...
3444         (restore_gp): ...this and update the unspec identifier accordingly.
3445         (exception_receiver, nonlocal_got_receiver): New expanders.
3446         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
3447         FAKE_CALL_REGNO.  Remove hazard_set attribute.
3448         (set_got_version, update_got_version): New patterns.
3449
3450 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
3451
3452         PR target/34970
3453         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
3454
3455 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
3456
3457         PR other/31955
3458         * doc/install.texi2html: Generate gcc-vers.texi.
3459
3460 2008-01-25  DJ Delorie  <dj@redhat.com>
3461
3462         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
3463
3464 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
3465
3466         * config/c4x: Remove directory.
3467         * config.gcc (crx-*, mt-*): Mark obsolete.
3468         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
3469         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
3470         sh-*-rtemscoff*): Remove cases.
3471         * defaults.h (C4X_FLOAT_FORMAT): Remove.
3472         * real.c (encode_c4x_single, decode_c4x_single,
3473         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
3474         c4x_extended_format): Remove.
3475         * real.h (c4x_single_format, c4x_extended_format): Remove.
3476         * doc/extend.texi (interrupt, naked): Remove mention of attributes
3477         on C4x.
3478         (Pragmas): Remove comment about c4x pragmas.
3479         * doc/install.texi (c4x): Remove target-specific instructions.
3480         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
3481         * doc/md.texi (Machine Constraints): Remove C4x documentation.
3482         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
3483         refer to C4x source files as examples.
3484         (C4X_FLOAT_FORMAT): Remove documentation.
3485
3486 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
3487
3488         * config/bfin/bfin.c (override_options): Reorder tests so that
3489         flag_pic gets enabled for -msep-data.
3490
3491 2008-01-25  Richard Guenther  <rguenther@suse.de>
3492
3493         PR middle-end/32244
3494         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
3495         to its bitfield precision if required.
3496
3497 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
3498
3499         PR middle-end/33880
3500         * tree-nested.c (walk_omp_for): New function.
3501         (convert_nonlocal_reference, convert_local_reference): Call
3502         walk_omp_for on OMP_FOR.
3503         (convert_call_expr): Call walk_body on OMP_FOR's
3504         OMP_FOR_PRE_INIT_BODY.
3505
3506 2008-01-25  Richard Guenther  <rguenther@suse.de>
3507
3508         PR tree-optimization/34966
3509         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
3510         default defs and PHI_NODEs we have to insert after the
3511         defining statement.
3512
3513 2008-01-24  Nick Clifton  <nickc@redhat.com>
3514
3515         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
3516         Provide a default definition.
3517         (LIBGCC2_UNITS_PER_WORD): Likewise.
3518
3519         * config/stormy16/stormy16.c: Include df.h for the prototype
3520         for df_regs_ever_live_p.
3521         (xstormy16_expand_builtin_va_start): Convert the stack offset
3522         into a component_ref and then use POINTER_PLUS_EXPR to add it
3523         to the incoming_virtual_args_rtx.
3524         (xstormy16_gimplify_va_arg_expr): Rename to
3525         xstormy16_gimplify_va_arg_expr.
3526         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
3527         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
3528         xstormy16_gimplify_va_arg_expr.
3529         Fix up some formatting issues.
3530
3531         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
3532         Move to predicates.md.
3533         (xs_hi_general_operand): Likewise.
3534         (xs_hi_nonmemory_operand): Likewise.
3535         * config/stormy16/predicates.md:
3536         (xstormy16_carry_plus_operand): New predicate.
3537         (xs_hi_general_operand): New predicate.
3538         (xs_hi_nonmemory_operand): New predicate.
3539         * config/stormy16/stormy16-protos.h:
3540         (xstormy16_carry_plus_operand): Delete prototype.
3541         (xs_hi_general_operand): Likewise.
3542         (xs_hi_nonmemory_operand): Likewise.
3543
3544         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
3545         modifiers as they are no longer needed and they can trigger
3546         reload spill failures.
3547
3548         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
3549         with a match_operand in order to help reload.
3550
3551         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
3552         constraint with 'e' for the 8th alternative as this version of
3553         the mov.w instruction only accepts the lower 8 registers.
3554
3555 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
3556
3557         PR target/34856
3558         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
3559         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
3560         vector elements.
3561
3562 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
3563
3564         PR middle-end/33333
3565         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
3566
3567 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
3568
3569         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
3570         New functions.
3571         (remove_structure): Update allocations list before removing structure.
3572
3573 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
3574
3575         * ipa-struct-reorg.c (is_safe_cond_expr,
3576         create_new_stmts_for_cond_expr): Use integer_zerop function,
3577         that recognize not only zero-pointer, but zero-integer too.
3578
3579 2008-01-25  Ben Elliston  <bje@au.ibm.com>
3580
3581         PR other/22232
3582         * fixproto: Escape "." in sed expression that strips leading "./".
3583
3584 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
3585
3586         PR driver/34904
3587         * gcc.c (SWITCH_OK): Removed.
3588         (SWITCH_LIVE): Changed to bit.
3589         (SWITCH_FALSE): Likewise.
3590         (SWITCH_IGNORE): Likewise.
3591         (switchstr): Change live_cond to unsigned int.
3592         (process_command): Replace SWITCH_OK with 0.
3593         (do_self_spec): Likewise.
3594         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
3595         (give_switch): Likewise.
3596         (used_arg): Likewise.
3597         (do_spec_1): Set the SWITCH_IGNORE bit.
3598         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
3599         bits.  Set the SWITCH_LIVE bit.
3600
3601 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3602
3603         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
3604
3605 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
3606
3607         PR tree-optimization/34472
3608         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
3609         parameter to a "bool *" and set *DATA to false if there is
3610         an unsafe access.  Do not delete the structure here.
3611         (check_cond_exprs): Delete it here instead.
3612         (check_cond_exprs, exclude_cold_structs): Do not increase
3613         I when removing a structure.
3614
3615 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
3616
3617         PR target/34856
3618         * config/i386/i386.c (ix86_expand_vector_init): Consider only
3619         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
3620
3621 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
3622
3623         PR middle-end/34934
3624         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
3625         a fixed vector for stack.
3626
3627 2008-01-24  Ben Elliston  <bje@au.ibm.com>
3628
3629         PR c++/25701
3630         * doc/gcc.texi (Software development): Add a direntry for g++.
3631
3632 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
3633
3634         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
3635         stale and straggling -fforce-addr comments above.
3636
3637         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
3638         define.
3639         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
3640         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
3641
3642 2008-01-23  Michael Matz  <matz@suse.de>
3643
3644         PR debug/34895
3645         * dwarf2out.c (force_type_die): Use modified_type_die instead of
3646         gen_type_die.
3647
3648 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
3649
3650         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
3651         malloc result type.
3652
3653 2008-01-23 Anatoly Sokolov <aesok@post.ru>
3654
3655         * config/avr/avr.c (avr_current_arch): New variable.
3656         (avr_arch_types): Add 'avr31' and 'avr51' entries.
3657         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
3658         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
3659         (avr_override_options): Init 'avr_current_arch'.
3660         (base_arch_s): Move from here...
3661         * config/avr/avr.h (base_arch_s): ... here. Add new members
3662         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
3663         'mega' to 'have_jmp_call'.
3664         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
3665         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
3666         macros.
3667         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
3668         architectures.
3669         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
3670         MULTILIB_MATCHES): (Ditto.).
3671
3672 2008-01-23  Richard Guenther  <rguenther@suse.de>
3673
3674         PR middle-end/31529
3675         * cgraphunit.c (cgraph_reset_node): Always mark the node
3676         not reachable if it is not queued already.
3677
3678 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
3679
3680         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
3681         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
3682         (cputype_selected): New static variable.
3683         (bfin_handle_option): Set it if -mcpu is used.
3684         (override_option): Select default set of workarounds if no cpu type
3685         selected on the command line.
3686         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
3687
3688         From  Michael Frysinger  <michael.frysinger@analog.com>
3689         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
3690         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
3691
3692         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
3693         for bf547, bf523, bf524, and bf526.
3694         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
3695         bf526.
3696         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3697         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
3698         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
3699         __ADSPBF547__ and __ADSPBF54x__ for bf547.
3700         * doc/invoke.texi (Blackfin Options): Document that
3701         -mcpu now accept bf547, bf523, bf524, and bf526.
3702
3703 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
3704
3705         PR rtl-optimization/34628
3706         * combine.c (try_combine): Stop and undo after the first combination
3707         if an autoincrement side-effect on the first insn has effectively
3708         been lost.
3709
3710 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
3711
3712         PR target/34529
3713         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
3714         Offset addresses are not valid for Altivec or paired float modes.
3715
3716 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
3717
3718         PR c++/34607
3719         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
3720         if DECL_INITIAL (decl) is error_mark_node.
3721
3722         PR c++/34914
3723         * c-common.c (handle_vector_size_attribute): Only allow
3724         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
3725         the same way as pointer, array etc. types.
3726         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
3727
3728         PR c++/34917
3729         * tree.c (build_type_attribute_qual_variant): Call
3730         build_qualified_type if attributes are equal, but quals are not.
3731
3732 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3733
3734         PR 32102
3735         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
3736         * flags.h (warn_strict_aliasing): Remove.
3737         (warn_strict_overflow): Remove.
3738         * opts.c (warn_strict_aliasing): Remove.
3739         (warn_strict_overflow): Remove.
3740         * c-opts.c (c_common_handle_option): -Wall only sets
3741         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
3742         (c_common_post_options): Give default values to -Wstrict-aliasing
3743         and -Wstrict-overflow if they are uninitialized.
3744         * common.opt (Wstrict-aliasing): Specify Var and Init.
3745         (Wstrict-overflow): Likewise.
3746
3747 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
3748
3749         PR rtl-optimization/26854
3750         PR rtl-optimization/34400
3751         PR rtl-optimization/34884
3752         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
3753         DF_RD->gen.
3754         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
3755         (df_rd_bb_info.expanded_lr_out): Deleted
3756         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
3757         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
3758         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
3759         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
3760         Removed code to allocate, initialize or free expanded_lr_out.
3761         (df_rd_bb_local_compute_process_def): Restructured to make more
3762         understandable.
3763         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
3764         sets if the sets are being trimmed.
3765
3766 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
3767
3768         PR bootstrap/32287
3769         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
3770         (as_vers): Likewise.
3771         * configure: Regenerated.
3772
3773 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3774
3775         PR middle-end/33092
3776         * tree-pass.h (pass_build_alias): New pass.
3777         * tree-ssa-alias.c (gate_build_alias): New.
3778         (pass_build_alias): New.
3779         * passes.c (init_optimization_passes): Add pass_build_alias after
3780         pass_create_structure_vars.
3781
3782 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
3783
3784         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
3785         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
3786         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
3787         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
3788         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
3789         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
3790         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
3791         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
3792         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
3793         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
3794         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
3795         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
3796         * config/s390/s390.md (FP_ALL): New mode iterator.
3797         (_d): New mode attribute.
3798         ("*signbit<mode>2>"): Changed mode of first operand.
3799         ("isinf<mode>2"): Changed mode of first operand.
3800         ("*TDC_insn"): Adaptation for DFP modes.
3801
3802 2008-01-22  Ben Elliston  <bje@au.ibm.com>
3803
3804         * tree.c (check_qualified_type): Improve function description.
3805
3806 2008-01-21  Jason Merrill  <jason@redhat.com>
3807
3808         PR c++/34196
3809         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
3810         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
3811         if it is set.
3812
3813 2008-01-21  DJ Delorie  <dj@redhat.com>
3814
3815         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
3816         return zero.
3817
3818 2008-01-21  Richard Guenther  <rguenther@suse.de>
3819
3820         PR middle-end/34856
3821         * tree-cfg.c (verify_expr): Allow all invariant expressions
3822         instead of just constant class ones as reference argument.
3823         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
3824         like any other constant.
3825         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
3826
3827 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
3828
3829         * regmove.c (fixup_match_1): Update call crossed frequencies.
3830
3831 2008-01-21  Richard Guenther  <rguenther@suse.de>
3832
3833         PR c/34885
3834         * tree-inline.c (setup_one_parameter): Deal with mismatched
3835         types using a VIEW_CONVERT_EXPR.
3836
3837 2008-01-21  Alon Dayan  <alond@il.ibm.com>
3838             Olga Golovanevsky  <olga@il.ibm.com>
3839
3840         PR tree-optimization/34701
3841         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
3842         when the structure size is not a power of 2.
3843
3844 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
3845
3846         * doc/install.texi: Add doc for --enable-checking=df.
3847
3848 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3849
3850         PR rtl-optimization/34808
3851         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
3852
3853 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
3854
3855         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
3856         input.
3857
3858 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
3859
3860         PR rtl-optimization/26854
3861         PR rtl-optimization/34400
3862         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
3863         DF_RD->gen.
3864         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
3865         (df_rd_bb_info.expanded_lr_out): New.
3866         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
3867         * loop_iv.c (iv_analysis_loop_init): Ditto.
3868         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
3869         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
3870         Added code to allocate, initialize or free expanded_lr_out.
3871         (df_rd_bb_local_compute_process_def): Restructured to make
3872         more understandable.
3873         (df_rd_confluence_n): Add code to do nothing with fake edges and
3874         code to no apply invalidate_by_call sets if the sets are being trimmed.
3875         (df_lr_local_finalize): Renamed to df_lr_finalize.
3876         (df_live_local_finalize): Renamed to df_live_finalize.
3877
3878 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
3879
3880         PR target/34831
3881         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
3882         deciding whether to use reciprocal instructions.
3883
3884 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
3885
3886         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
3887         dwarf2out_note_section_used if cold_text_section is NULL.
3888
3889 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
3890
3891         PR gcov-profile/34610
3892         * tree-cfg.c (make_edges): Mark both outgoing edges from
3893         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
3894         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
3895         from OMP_FOR and OMP_CONTINUE outgoing edges.
3896
3897         * tree-profile.c (tree_profiling): Return early if
3898         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
3899         at the end.
3900         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
3901         from cfun to child_cfun.
3902         * function.h (struct function): Add after_tree_profile bit.
3903
3904 2008-01-19 Anatoly Sokolov <aesok@post.ru>
3905
3906         * config/avr/avr.S (_exit): Disable interrupt.
3907
3908 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
3909             Steven Bosscher  <stevenb.gcc@gmail.com>
3910
3911         PR rtl-optimization/26854
3912         PR rtl-optimization/34400
3913         * df-problems.c (df_live_scratch): New scratch bitmap.
3914         (df_live_alloc): Allocate df_live_scratch when doing df_live.
3915         (df_live_reset): Clear the proper bitmaps.
3916         (df_live_bb_local_compute): Only process the artificial defs once
3917         since the order is not important.
3918         (df_live_init): Init the df_live sets only with the variables
3919         found live by df_lr.
3920         (df_live_transfer_function): Use the df_lr sets to prune the
3921         df_live sets as they are being computed.
3922         (df_live_free): Free df_live_scratch.
3923
3924 2008-01-18  Ian Lance Taylor  <iant@google.com>
3925
3926         * common.opt: Add fmerge-debug-strings.
3927         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
3928         flag_merge_debug_strings rather than flag_merge_constants.
3929         * doc/invoke.texi (Option Summary): Mention
3930         -fmerge-debug-strings.
3931         (Debugging Options): Document -fmerge-debug-strings.
3932
3933 2008-01-18  Ian Lance Taylor  <iant@google.com>
3934
3935         PR c++/33407
3936         * tree.h (DECL_IS_OPERATOR_NEW): Define.
3937         (struct tree_function_decl): Add new field operator_new_flag.
3938         * tree-inline.c (expand_call_inline): When inlining a call to
3939         operator new, force the return value to go into a variable, and
3940         set DECL_NO_TBAA_P on that variable.
3941         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
3942
3943 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
3944
3945         PR debug/34484
3946         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
3947         DWARF2_DEBUGGING_INFO.
3948         (dwarf2out_note_section_used): Ditto.  Add prototype.
3949         (have_multiple_function_sections, text_section_used,
3950         cold_text_section_used, *cold_text_sections): Move declarations
3951         before their uses.
3952
3953 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
3954
3955         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
3956         field and add signal_ra.
3957         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
3958         assignments to frame state pc.  Move end of stack check after
3959         MD_FALLBACK_FRAME_STATE_FOR.
3960         (uw_update_context_1): Use frame state signal_regs if set, instead
3961         of checking signal_frame flag.
3962         (uw_update_context): Use frame state signal_ra if set.
3963         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
3964         * config/xtensa/linux-unwind.h: New file.
3965
3966 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
3967
3968         * modulo-sched.c (get_sched_window): Fix comment typo.
3969
3970 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
3971
3972         PR tree-optimization/34648
3973         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
3974
3975 2008-01-17  Anatoly Sokolov <aesok@post.ru>
3976
3977         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
3978         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
3979
3980 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
3981
3982         PR rtl-optimization/34400
3983         * df-core.c (df_worklist_dataflow_overeager,
3984         df_worklist_dataflow_doublequeue): New functions.
3985         (df_worklist_dataflow): Two different worklist solvers.
3986         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
3987         New param.
3988
3989 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3990
3991         PR testsuite/34821
3992         * doc/invoke.texi: Document the dependence on pthread for fopenmp
3993         and ftree-parallelize-loops.
3994
3995 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
3996
3997         PR rtl-optimization/34826
3998         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
3999
4000 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
4001
4002         * global.c (find_reg): Mark the eh regs as used if necessary.
4003         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
4004         * ra.h (struct allocno): no_eh_reg field added.  Changed
4005         no_stack_reg type to bitfield.
4006
4007 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
4008
4009         * tree.c (substitute_in_expr): Add missing 'break'.
4010
4011 2008-01-17  Richard Guenther  <rguenther@suse.de>
4012
4013         PR tree-optimization/34825
4014         * tree-ssa-math-opts.c (is_division_by): Do not recognize
4015         x / x as division to handle.
4016
4017 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4018
4019         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
4020         "-pthread" is specified.
4021         * pa-hpux11.h (LIB_SPEC): Likewise.
4022
4023 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
4024             Peter Bergner  <bergner@vnet.ibm.com>
4025
4026         PR rtl-optimization/33796
4027         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
4028
4029 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4030
4031         PR libgfortran/34699
4032         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
4033         static links.
4034         * pa-hpux10.h (LINK_SPEC): Likewise.
4035         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
4036
4037 2008-01-16  Richard Guenther  <rguenther@suse.de>
4038
4039         PR middle-end/32628
4040         * fold-const.c (fold_convert_const_int_from_int): Do not
4041         set overflow if that occured only because of a sign extension
4042         change when converting from/to a sizetype with the same
4043         precision and signedness.
4044
4045 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
4046
4047         PR debug/34249
4048         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
4049         location address to the correct place.  Update copyright year.
4050
4051 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4052
4053         * lambda-code.c (lambda_transform_legal_p): Handle the case of
4054         no dependences in the dependence_relations vector.
4055
4056 2008-01-16  Jan Hubicka  <jh@suse.cz>
4057
4058         PR rtl-optimization/31396
4059         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
4060         * cfg.c (dump_reg_info): Print it.
4061         * regs.h (struct reg_info_t): add freq_calls_crossed.
4062         (REG_FREQ_CALLS_CROSSED): New macro.
4063         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
4064         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
4065         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
4066         regmove_optimize): Update call crossed frequencies.
4067         * local-alloc.c (struct qty): Add freq_calls_crossed.
4068         (alloc_qty): Copute freq_calls_crossed.
4069         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
4070         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
4071         * ra.h (struct allocno): Add freq_calls_crossed.
4072
4073 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4074
4075         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
4076         libgomp when compiling with ftree-parallelize-loops.
4077         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
4078
4079 2008-01-16  Richard Guenther  <rguenther@suse.de>
4080
4081         PR tree-optimization/34769
4082         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
4083         * tree.c (int_cst_value): Instead make this function more
4084         permissive in what it accepts as valid input.  Document this
4085         function always sign-extends the value.
4086
4087 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
4088             Richard Guenther  <rguenther@suse.de>
4089
4090         PR c/34668
4091         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
4092         (gimple_fold_indirect_ref_rhs): ... this.
4093         (gimple_fold_indirect_ref): New function with foldings
4094         that preserve lvalueness.
4095         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
4096         * tree-flow.h (gimple_fold_indirect_ref): Declare.
4097         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
4098         to fold an INDIRECT_REF, fall back to the old use of
4099         fold_indirect_ref_1.
4100
4101 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4102
4103         * tree-data-ref.c (subscript_dependence_tester_1): Call
4104         free_conflict_function.
4105         (compute_self_dependence): Same.
4106
4107 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
4108
4109         PR debug/34249
4110         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
4111         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
4112         function global.
4113         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
4114         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
4115         for DWARF2_UNWIND_INFO targets.
4116
4117 2008-01-16  Richard Guenther  <rguenther@suse.de>
4118
4119         PR c/34768
4120         * c-typeck.c (common_pointer_type): Do not merge inconsistent
4121         type qualifiers for function types.
4122
4123 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
4124
4125         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
4126         loop_iterator li from previous commit.
4127
4128 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
4129
4130         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
4131
4132 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
4133
4134         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
4135         (parallelize_loops): Don't parallelize irreducible components.
4136
4137 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4138
4139         PR c++/24924
4140         * c-opts (c_common_post_options): Do not enable CPP
4141         flag_pedantic_errors by default.
4142
4143 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
4144
4145         PR rtl-optimization/31944
4146         * cse.c (remove_pseudo_from_table): New function.
4147         (merge_equiv_classes): Use above function to remove pseudo-registers.
4148         (invalidate): Likewise.
4149
4150 2008-01-13  Richard Guenther  <rguenther@suse.de>
4151
4152         PR middle-end/34601
4153         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
4154         instead of TYPE_MODE to deal with calls from expand_one_error_var.
4155
4156 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
4157
4158         * gcse.c (cprop_jump): Call validate_unshare_change instead of
4159         validate_change to unshare the source of the PC set.
4160
4161 2008-01-12  Jan Hubicka  <jh@suse.cz>
4162
4163         PR middle-end/32135
4164         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
4165         references above array bounds.  This might trigger bounds checks for
4166         pointers to arrays.
4167
4168 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
4169
4170         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
4171         new_replaceable_dependencies.
4172
4173 2008-01-12  Doug Kwan  <dougkwan@google.com>
4174
4175         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
4176         instead of OPT_Wreturn_type in warning due to ignored return type
4177         qualifiers.
4178         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
4179         options included in -Wextra.
4180         * c.opt: New option -Wignored_qualifiers.
4181         * doc/invoke.texi (Warning Options, -Wextra): Add new option
4182         -Wignore_qualifiers.
4183         (-Wignored-qualifiers): Document.
4184         (-Wreturn-type): Remove description of functionality now handled
4185         by -Wignored-qualifiers.
4186
4187 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
4188
4189         PR ada/33788
4190         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
4191         NOP_EXPR if it is between integral types with the same precision.
4192
4193 2008-01-12  Jan Hubicka  <jh@suse.cz>
4194
4195         PR other/28023
4196         * invoke.texi (max-inline-recursive-depth): Fix default value.
4197
4198 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
4199
4200         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
4201         correct type.
4202
4203 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
4204
4205         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
4206
4207 2008-01-11  James E. Wilson  <wilson@specifix.com>
4208
4209         PR target/26015
4210         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
4211
4212 2008-01-11  Anatoly Sokolov <aesok@post.ru>
4213
4214         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
4215         save/restore frame pointer register and don't use 'call-prologues'
4216         optimization in function with "OS_task" attribute.
4217
4218 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
4219
4220         PR middle-end/31309
4221         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
4222         when copying to memory.
4223
4224 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
4225
4226         PR rtl-optimization/30905
4227         * cfgcleanup.c: Include dce.h
4228         (crossjumps_occured): New global variable.
4229         (try_crossjump_bb): Exit loop after finding a fallthru edge.
4230         If something changed, set crossjumps_occured to true.
4231         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
4232         Don't add/remove fake edges to exit here...
4233         (cleanup_cfg): ...but do it here, when crossjumping.
4234         Run a fast DCE when successful crossjumps occured in the latest
4235         iteration of try_optimize_cfg.
4236
4237 2008-01-11  Richard Guenther  <rguenther@suse.de>
4238
4239         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
4240         (struct vn_unary_op_s): Likewise.
4241         (vn_reference_insert): Free old reference on hash collision.
4242
4243 2008-01-10  Raksit Ashok  <raksit@google.com>
4244
4245         PR rtl-optimization/27971
4246         * combine.c (find_split_point): Split PLUS expressions which are
4247         inside a MEM rtx, and whose first operand is complex.
4248
4249 2008-01-10  DJ Delorie  <dj@redhat.com>
4250
4251         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
4252         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
4253         (m32c_hard_regno_ok): Call the underlying function.
4254
4255 2008-01-10  Richard Guenther  <rguenther@suse.de>
4256
4257         PR middle-end/34683
4258         * tree-cfg.c (tree_merge_blocks): Do not go through the
4259         full-blown folding and stmt updating path if we just deal
4260         with virtual operands.
4261         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
4262         test for abnormal SSA_NAMEs.
4263
4264 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
4265
4266         PR middle-end/34641
4267         * reload.c (push_reload): Add assertions.  All constants from
4268         reg_equiv_constant should have been used for replacing the respective
4269         pseudo earlier.
4270         (find_reloads_address): Invoke find_reloads_address_part for
4271         constant taken from the reg_equiv_constant array.
4272
4273 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
4274
4275         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
4276         field (valnum) the first in the struct.  Replace bools with
4277         unit bit fields.
4278
4279 2008-01-10  Richard Guenther  <rguenther@suse.de>
4280
4281         PR tree-optimization/34651
4282         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
4283         types and ordering for masking and converting.
4284
4285 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
4286
4287         PR tree-optimization/34017
4288         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
4289         also for PHI_NODE expressions.
4290
4291 2008-01-09  Jan Hubicka  <jh@suse.cz>
4292
4293         PR tree-optimization/34708
4294         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
4295         based on number of case labels.
4296         (init_inline_once): Remove switch_cost.
4297         * tree-inline.h (eni_weights_d): Remove switch_cost.
4298
4299 2008-01-09  Richard Guenther  <rguenther@suse.de>
4300         Andrew Pinski  <andrew_pinski@playstation.sony.com>
4301
4302         PR middle-end/30132
4303         * gimplify.c (gimplify_cond_expr): Do not create an addressable
4304         temporary if an rvalue is ok or an lvalue is not required.
4305
4306 2008-01-09  Richard Guenther  <rguenther@suse.de>
4307
4308         PR middle-end/34458
4309         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
4310         adjust return type.
4311
4312 2008-01-09  Richard Guenther  <rguenther@suse.de>
4313
4314         PR middle-end/34679
4315         * tree.c (host_integerp): Check for sizetype only if the
4316         type is an integer type.
4317
4318 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
4319
4320         PR debug/26364
4321         * opts.c (decode_options): Disable inlining of functions called
4322         once if not in unit-at-a-time mode.
4323
4324 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
4325
4326         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
4327
4328 2008-01-08  Richard Guenther  <rguenther@suse.de>
4329
4330         PR middle-end/31863
4331         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
4332         out early if the result will be unused.
4333
4334 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
4335
4336         PR target/34709
4337         Revert:
4338
4339         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
4340         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
4341         for TARGET_RECIP.
4342
4343 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
4344
4345         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
4346         for vectorization tuned.
4347
4348 2008-01-08  Richard Guenther  <rguenther@suse.de>
4349
4350         PR tree-optimization/34683
4351         * tree-ssa-operands.c (operand_build_cmp): Export.
4352         * tree-ssa-operands.h (operand_build_cmp): Declare.
4353         * tree-vn.c (vuses_compare): Remove.
4354         (sort_vuses): Use operand_build_cmp.
4355         (sort_vuses_heap): Likewise.
4356         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
4357         to re-use old VEC if available.  Do not sort already sorted VUSEs.
4358         (vdefs_to_vec): Do not sort already sorted VDEFs.
4359
4360 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
4361
4362         PR middle-end/34694
4363         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
4364
4365 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
4366
4367         PR target/34702
4368         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
4369         limitations of reciprocal sequences on x86 targets.
4370
4371 2008-01-08  Richard Guenther  <rguenther@suse.de>
4372
4373         PR tree-optimization/34683
4374         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
4375
4376 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
4377
4378         PR target/34622
4379         * config/darwin.c (darwin_mergeable_string_section): Don't use
4380         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
4381
4382 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
4383
4384         PR target/34682
4385         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
4386         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
4387         predicates of op0 and op1 to register_operand.
4388         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
4389         expander using X87MODEF mode iterator.  Change predicates of
4390         op0 and op1 to register_operand.
4391         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
4392         corresponding patterns and macroize using MODEF macro.  Change
4393         predicates of op0 and op1 to register_operand and remove
4394         "m" constraint. Disparage "r" alternative with "!".
4395         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
4396         macroize using X87MODEF macro.  Change predicates of op0 and op1
4397         to register_operand and remove "m" constraint.  Disparage "r"
4398         alternative with "!".
4399         (absneg splitter with memory operands): Remove.
4400         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
4401         patterns and macroize using X87MODEF mode iterator.
4402         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
4403         Change predicate of op1 to register_operand.
4404         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
4405         for memory operands.
4406
4407 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
4408
4409         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
4410
4411 2008-01-07  Richard Guenther  <rguenther@suse.de>
4412
4413         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
4414         fields.
4415
4416 2008-01-07  Richard Guenther  <rguenther@suse.de>
4417
4418         PR tree-optimization/34683
4419         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
4420         VOPs of the needed size to save memory.  Use VEC_quick_push
4421         to save compile-time.
4422         (vdefs_to_vec): Likewise.
4423
4424 2008-01-07  Sa Liu  <saliu@de.ibm.com>
4425
4426         * config/spu/spu.md (divdf3): Genetate inline code for double
4427         division.  The implementation doesn't handle INF or NAN, therefore it
4428         only applies when -ffinite-math-only is given.
4429
4430 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
4431
4432         PR libstdc++/34680
4433         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
4434         * doc/cpp.texi ([Common Predefined Macros]): Document.
4435
4436 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
4437
4438         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
4439         order to use commutative addition instead of subtraction.
4440
4441 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4442             Mircea Namolaru  <namolaru@il.ibm.com>
4443             Vladimir Yanovsky  <yanov@il.ibm.com>
4444             Revital Eres  <eres@il.ibm.com>
4445
4446         PR tree-optimization/34263
4447         * tree-outof-ssa.c (process_single_block_loop_latch,
4448         contains_tree_r): New functions.
4449         (analyze_edges_for_bb): Call process_single_block_loop_latch
4450         function to empty single-basic-block latch block if possible.
4451
4452 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
4453
4454         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
4455         for TARGET_RECIP.
4456         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
4457
4458 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
4459
4460         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
4461
4462 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
4463
4464         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
4465
4466 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
4467
4468         PR tree-optimization/34618
4469         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
4470         flag from T.
4471
4472 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
4473
4474         PR target/34673
4475         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
4476         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
4477         Update copyright year.
4478
4479         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
4480         Update copyright year.
4481         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
4482         using NR fixup.
4483
4484 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
4485
4486         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
4487         edge does not point to current bb before changing need_assert.
4488
4489 2008-01-04  Richard Guenther  <rguenther@suse.de>
4490
4491         PR middle-end/34029
4492         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
4493         for verifying purposes if they are is_gimple_min_invariant.
4494
4495 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
4496
4497         PR tree-optimization/34448
4498         PR tree-optimization/34465
4499         * gimplify.c (gimplify_init_constructor): Add new parameter
4500         notify_temp_creation.  Use it.
4501         (gimplify_modify_expr_rhs): Take volatiles into account when
4502         optimizing constructors.
4503         Do not optimize constructors if gimplify_init_constructor will dump to
4504         memory.
4505         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
4506         * gcc.c-torture/compile/pr34448.c: New.
4507
4508 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
4509
4510         PR gcov-profile/34609
4511         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
4512         return_slot if result is TREE_ADDRESSABLE.
4513
4514 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
4515
4516         * config/mips/mips.md (sqrt_condition): Tweak comment.
4517         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
4518
4519 2008-01-03  Tom Tromey  <tromey@redhat.com>
4520
4521         PR c/34457
4522         * c-common.c (c_type_hash): Handle VLAs.
4523
4524 2008-01-03  Jan Hubicka  <jh@suse.cz>
4525
4526         PR tree-optimization/31081
4527         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
4528         0 when inlining and not inlining to first basic block.
4529         (remap_decl): When var is initialized to 0, don't set default_def.
4530         (expand_call_inline): Set entry_bb.
4531         * tree-inline.h (copy_body_data): Add entry_bb.
4532
4533 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
4534
4535         PR c++/34619
4536         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
4537         before returning.
4538
4539         PR tree-optimization/29484
4540         * tree-inline.c (inline_forbidden_p_2): New function.
4541         (inline_forbidden_p): Disallow inlining if some static var
4542         has an address of a local LABEL_DECL in its initializer.
4543         * doc/extend.texi (Labels as Values): Document &&foo behaviour
4544         vs. inlining.
4545
4546 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
4547
4548         PR tree-optimization/34635
4549         * tree-data-ref.c (add_other_self_distances): Make sure that the
4550         evolution step is constant.
4551
4552 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
4553
4554         PR middle-end/34608
4555         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
4556
4557 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
4558
4559         * tree-sra.c (scalarize_init): Insert the generate_element_init
4560         statements after the generate_element_zero statements.
4561
4562 2008-01-02  Richard Guenther  <rguenther@suse.de>
4563
4564         PR middle-end/34093
4565         PR middle-end/31976
4566         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
4567         for very large number of operands instead of ICEing.
4568
4569 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
4570
4571         PR target/34013
4572         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
4573         while stack probing.
4574
4575 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
4576
4577         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
4578         in C++0x mode.
4579
4580 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
4581
4582         PR libmudflap/26442
4583         * tree-mudflap.c (mx_register_decls): Guard warning by
4584         !DECL_ARTIFICIAL check.
4585
4586 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
4587
4588         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
4589         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
4590         sse5_perm<mode>): Fix constraints.