gcc/ChangeLog

   1 2008-05-26  Andy Hutchinson  <hutchinsonandy@aim.com>
   2
   3         PR target/34932
   4         * config/avr/avr.md (*addhi3_zero_extend2): Remove.
   5
   6 2008-05-26  Richard Guenther  <rguenther@suse.de>
   7
   8         * tree-ssa-sccvn.c (expr_has_constants): Declare.
   9         (visit_reference_op_load): Initialize VN_INFO->has_constants
  10         properly.
  11
  12 2008-05-26  H.J. Lu  <hongjiu.lu@intel.com>
  13
  14         PR middle-end/36253
  15         * caller-save.c (insert_restore): Verify alignment of spill
  16         space.
  17         (insert_save): Likewise.
  18
  19         * cfgexpand.c (LOCAL_ALIGNMENT): Removed.
  20
  21         * defaults.h (LOCAL_ALIGNMENT): New. Provide default.
  22         (STACK_SLOT_ALIGNMENT): Likewise.
  23
  24         * function.c (LOCAL_ALIGNMENT): Removed.
  25         (get_stack_local_alignment): New.
  26         (assign_stack_local): Use it.  Set alignment on stack slot.
  27         (assign_stack_temp_for_type): Use get_stack_local_alignment.
  28
  29         * config/i386/i386.h (LOCAL_ALIGNMENT): Updated.
  30         (STACK_SLOT_ALIGNMENT): New.
  31
  32         * config/i386/i386.c (ix86_local_alignment): Handle caller-save
  33         stack slot in XFmode.
  34
  35         * doc/tm.texi (STACK_SLOT_ALIGNMENT): New.
  36
  37 2008-05-26  Kai Tietz  <kai.tietz@onevision.com>
  38
  39         PR/36321
  40         * config/i386/i386.md (allocate_stack_worker_64): Make sure
  41         argument operand in rax isn't removed.
  42
  43 2008-05-26  Richard Guenther  <rguenther@suse.de>
  44
  45         PR middle-end/36300
  46         * fold-const.c (extract_muldiv_1): Use TYPE_OVERFLOW_WRAPS,
  47         not TYPE_UNSIGNED.  Use TYPE_PRECISION instead of GET_MODE_SIZE.
  48
  49 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
  50
  51         PR bootstrap/36331
  52         * c-cppbuiltin.c (define__GNUC__): Re-add definition of __GNUG__.
  53
  54 2008-05-26  Dominique Dhumieres  <dominiq@lps.ens.fr>
  55
  56         * config/darwin-c.c: Include "incpath.h" instead of "c-incpath.h".
  57         * config/t-darwin: Use "incpath.h" instead of "c-incpath.h".
  58
  59 2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>
  60
  61          * tree-nested.c (convert_tramp_reference) <ADDR_EXPR>: Do not
  62         build a trampoline if we don't want one.
  63         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Do not
  64         return zero for nested functions if we don't want a trampoline.
  65
  66 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
  67
  68         * doc/invoke.texi: Added f77, f77-cpp-input to list of file types.
  69
  70 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
  71
  72         PR fortran/18428
  73         * c.opt: Removed undocumented option '-lang-fortran'.
  74         * c-common.h: Removed global variable 'lang_fortran'.
  75         * c-opts.c (c_common_handle_option): Removed code to handle
  76         option '-lang-fortran'. Updated includes.
  77         * c-cppbuiltin.c (c_cpp_builtins): Removed conditional
  78         definition of '__GFORTRAN__'.
  79         (define__GNUC__): Reimplemented to use BASEVER and
  80         cpp_define_formatted.
  81         (builtin_define_with_value_n): Removed.
  82         * c-incpath.h: Renamed to ...
  83         * incpath.h: ... this.
  84         * c-incpath.c: Renamed to ...
  85         * incpath.c: ... this. Updated includes.
  86         * fix-header.c: Updated includes.
  87         * Makefile.in: Replaced c-incpath.[ch] by incpath.[ch].
  88         (c-cppbuiltin.o): Added dependency on and definition of BASEVER.
  89         (OBJ-archive): Added cppdefault.o, incpath.o and prefix.o.
  90
  91 2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>
  92
  93         * tree.h: Update the table of flags used on tree nodes.
  94         (TREE_NO_TRAMPOLINE): New accessor for static_flag.
  95         (SAVE_EXPR_RESOLVED_P): Use automatically-built access check.
  96         (FORCED_LABEL): Add access check.
  97         (CALL_EXPR_RETURN_SLOT_OPT): Likewise.
  98         (ASM_INPUT_P): Likewise.
  99         (ASM_VOLATILE_P): Likewise.
 100         (EH_FILTER_MUST_NOT_THROW): Access static_flag directly.
 101         (OMP_SECTION_LAST): Access private_flag directly.
 102         (OMP_RETURN_NOWAIT): Likewise.
 103         (OMP_PARALLEL_COMBINED): Likewise.
 104         (OMP_CLAUSE_PRIVATE_DEBUG): Access public_flag directly.
 105         (OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE): Likewise.
 106         * tree-ssa-propagate.c (STMT_IN_SSA_EDGE_WORKLIST): Access
 107         deprecated_flag directly.
 108
 109 2008-05-25  H.J. Lu  <hongjiu.lu@intel.com>
 110
 111         * final.c (frame_pointer_needed): Removed.
 112         * flags.h (frame_pointer_needed): Likewise.
 113
 114         * function.h (rtl_data): Add frame_pointer_needed.
 115         (frame_pointer_needed): New.
 116
 117 2008-05-25  Arthur Loiret  <arthur.loiret@u-psud.fr>
 118
 119         * config.gcc (sh2[lbe]*-*-linux*): Allow target.
 120
 121 2008-05-25  Steven Bosscher  <stevenb.gcc@gmail.com>
 122
 123         * gcse.c (hash_scan_set): Do not pick up a REG_EQUAL value if
 124         SRC is a REG.
 125
 126 2008-05-25  Alan Modra  <amodra@bigpond.net.au>
 127
 128         * c-common.c (strip_array_types): Move function to..
 129         * tree.c: ..here.
 130         (get_inner_array_type): Delete.
 131         * c-common.h (strip_array_types): Move declaration to..
 132         * tree.h: ..here.
 133         (get_inner_array_type): Delete.
 134         * config/i386/i386.c (x86_field_alignment): Use strip_array_types.
 135         * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
 136         * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
 137         * config/pa/pa.c (emit_move_sequence): Likewise.
 138
 139 2008-05-24  H.J. Lu  <hongjiu.lu@intel.com>
 140
 141         * config/i386/i386.md (*sse_prologue_save_insn): Set length
 142         attribute to 34.
 143
 144 2008-05-24  Andy Hutchinson  <hutchinsonandy@aim.com>
 145
 146         * function.c: Include target hook for nonlocal_goto frame value.
 147
 148 2008-05-24  Richard Guenther  <rguenther@suse.de>
 149
 150         * tree-dfa.c (refs_may_alias_p): Re-instantiate case that
 151         a scalar variable can be only accessed through a pointer
 152         or a union.
 153
 154 2008-05-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 155
 156         * builtins.c (fold_builtin_fpclassify): Fix spelling of FP_INFINITE.
 157         * doc/extend.texi: Likewise.
 158
 159 2008-05-23  DJ Delorie  <dj@redhat.com>
 160
 161         * config/m32c/jump.md (untyped_call): Add.
 162
 163         * config/m32c/m32c.c (m32c_return_addr_rtx): Change pointer type
 164         for A24 to PSImode.
 165         (m32c_address_cost): Detail costs for indirect offsets.
 166
 167 2008-05-23  Rafael Espindola  <espindola@google.com>
 168
 169         * see.c (see_get_extension_data): Don't use SUBREG_REG to test
 170         if a node is a SUBREG.
 171         (see_analyze_one_def): Don't use SUBREG_REG to test if a node
 172         is a SUBREG.
 173
 174 2008-05-23  Paul Brook  <paul@codesourcery.com>
 175             Carlos O'Donell  <carlos@codesourcery.com>
 176
 177         * doc/extend.texi: Clarify use of __attribute__((naked)).
 178         * doc/tm.texi: Document TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
 179         * target.h (gcc_target): Add allocate_stack_slots_for_args.
 180         * function.c (use_register_for_decl): Use
 181         targetm.calls.allocate_stack_slots_for_args.
 182         * target-def.h (TARGET_CALLS): Add
 183         TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
 184         * config/arm/arm.c (arm_allocate_stack_slots_for_args):
 185         New function.
 186         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Define.
 187
 188 2008-05-23  Eric Botcazou  <ebotcazou@adacore.com>
 189
 190         * expr.c (highest_pow2_factor) <BIT_AND_EXPR>: New case.
 191
 192 2008-05-23  Steven Munroe  <sjmunroe@us.ibm.com>
 193
 194         * config/rs6000/darwin-ldouble.c (fmsub): Eliminate the full
 195         PACK/UNPACK between FP_SUB_Q and FD_TRUNC so that the result
 196         is only rounded once.
 197
 198 2008-05-23  Richard Guenther  <rguenther@suse.de>
 199
 200         * tree-ssa-operands.c (mark_difference_for_renaming): Use
 201         bitmap_xor.
 202
 203 2008-05-23  Uros Bizjak  <ubizjak@gmail.com>
 204             Jakub Jelinek  <jakub@redhat.com>
 205
 206         PR target/36079
 207         * configure.ac: Handle --enable-cld.
 208         * configure: Regenerated.
 209         * config.gcc: Add USE_IX86_CLD to tm_defines for x86 targets.
 210         * config/i386/i386.h (struct machine_function): Add needs_cld field.
 211         (ix86_current_function_needs_cld): New define.
 212         * config/i386/i386.md (UNSPEC_CLD): New unspec volatile constant.
 213         (cld): New isns pattern.
 214         (strmov_singleop, rep_mov, strset_singleop, rep_stos, cmpstrnqi_nz_1,
 215         cmpstrnqi_1, strlenqi_1): Set ix86_current_function_needs_cld flag.
 216         * config/i386/i386.opt (mcld): New option.
 217         * config/i386/i386.c (ix86_expand_prologue): Emit cld insn if
 218         TARGET_CLD and ix86_current_function_needs_cld.
 219         (override_options): Use -mcld by default for 32-bit code if
 220         USE_IX86_CLD.
 221
 222         * doc/install.texi (Options specification): Document --enable-cld.
 223         * doc/invoke.texi (Machine Dependent Options)
 224         [i386 and x86-64 Options]: Add -mcld option.
 225         (Intel 386 and AMD x86-64 Options): Document -mcld option.
 226
 227 2008-05-23  Kai Tietz  <kai.tietz@onevison.com>
 228         * config/i386/i386.c (return_in_memory_32): Add ATTRIBUTE_UNUSED.
 229         (return_in_memory_64): Likewise.
 230         (return_in_memory_ms_64): Likewise.
 231
 232 2008-05-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 233
 234         * builtin-types.def (BT_FN_INT_INT_INT_INT_INT_INT_VAR): New.
 235         * builtins.c (fold_builtin_fpclassify): New.
 236         (fold_builtin_varargs): Handle BUILT_IN_FPCLASSIFY.
 237         * builtins.def (BUILT_IN_FPCLASSIFY): New.
 238         * c-common.c (handle_type_generic_attribute): Adjust to accept
 239         fixed arguments before an elipsis.
 240         (check_builtin_function_arguments): Handle BUILT_IN_FPCLASSIFY.
 241         * doc/extend.texi: Document __builtin_fpclassify.
 242
 243 2008-05-22  Aldy Hernandez  <aldyh@redhat.com>
 244
 245         * omp-low.c (gate_expand_omp_ssa): Remove.
 246         (pass_expand_omp_ssa): Remove.
 247         (gate_expand_omp): Do not check for flag_openmp_ssa.
 248         * common.opt (-fopenmp-ssa): Remove.
 249         * passes.c (init_optimization_passes): Remove pass_expand_omp_ssa.
 250
 251 2008-05-22  Kaz Kojima  <kkojima@gcc.gnu.org>
 252
 253         * config/sh/sh.opt (mfixed-range): New option.
 254         * config/sh/sh-protos.h (sh_fix_range): Declare.
 255         * config/sh/sh.c (sh_fix_range): New function.
 256         * config/sh/sh.h (sh_fixed_range_str): Declare.
 257         (OVERRIDE_OPTIONS): Call sh_fix_range if sh_fixed_range_str
 258         is not empty.
 259         * doc/invoke.texi (SH Options): Document -mfixed-range.
 260
 261 2008-05-22  Kai Tietz  <kai.tietz@onevision.com>
 262
 263         * config/i386/sol2-10.h (SUBTARGET_RETURN_IN_MEMORY): Undefine
 264         it before the redeclaration.
 265
 266 2008-05-22  Anatoly Sokolov <aesok@post.ru>
 267
 268         * config/avr/avr.c (get_sequence_length): Add new function.
 269         (expand_prologue, expand_epilogue): Remove duplicate code.
 270
 271 2008-05-22  Rafael Espindola  <espindola@google.com>
 272
 273         * see.c (see_pre_insert_extensions): Use copy_rtx to avoid invalid rtx
 274         sharing.
 275
 276 2008-05-22  H.J. Lu  <hongjiu.lu@intel.com>
 277
 278         * defaults.h (UNITS_PER_SIMD_WORD): Add scalar mode as argument.
 279         * doc/tm.texi (UNITS_PER_SIMD_WORD): Likewise.
 280
 281         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Replace
 282         UNITS_PER_SIMD_WORD with GET_MODE_SIZE (TYPE_MODE (vectype)).
 283         (vect_update_misalignment_for_peel): Likewise.
 284         (vector_alignment_reachable_p): Likewise.
 285         * tree-vect-transform.c (vectorizable_load): Likewise.
 286         * tree-vectorizer.c (vect_supportable_dr_alignment): Likewise.
 287         (get_vectype_for_scalar_type): Pass mode of scalar_type
 288         to UNITS_PER_SIMD_WORD.
 289
 290         * config/arm/arm.h (UNITS_PER_SIMD_WORD): Updated.
 291         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Likewise.
 292         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
 293         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
 294         * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
 295
 296 2008-05-22  Ira Rosen  <irar@il.ibm.com>
 297
 298         PR tree-optimization/36293
 299         * tree-vect-transform.c (vect_transform_strided_load): Don't check
 300         if the first load must be skipped because of a gap.
 301
 302 2008-05-22  Richard Guenther  <rguenther@suse.de>
 303
 304         * tree-dfa.c (refs_may_alias_p): Exit early if possible.  Handle
 305         more cases of offset disambiguation that is possible if
 306         strict-aliasing rules apply.
 307         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Use refs_may_alias_p
 308         for basic offset and type-based disambiguation.
 309
 310 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
 311
 312         * config/i386/i386.c (ix86_expand_vector_init_one_var): Use
 313         ix86_expand_vector_set on V16QImode for SSE4.1.
 314
 315 2008-05-21  Tom Tromey  <tromey@redhat.com>
 316
 317         * c.opt (Wimport): Mark as undocumented.
 318         * doc/invoke.texi (Option Summary): Don't mention -Wimport or
 319         -Wno-import.
 320         (Warning Options): Likewise.
 321         * doc/cppopts.texi: Don't mention -Wimport.
 322
 323 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
 324
 325         PR tree-optimization/36287
 326         PR tree-optimization/36286
 327         * lambda-code.c (build_access_matrix): Do not use the loop->num
 328         for computing the number of induction variables: use the loop depth
 329         instead.
 330
 331 2008-05-21  Kai Tietz  <kai.tietz@onevision.com>
 332
 333         PR/36280
 334         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Honor
 335         option -f(no-)leading-underscore.
 336
 337 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
 338
 339         * config/i386/i386.c (ix86_expand_vector_init_general): Use
 340         GET_MODE_NUNITS (mode).
 341
 342 2008-05-21  Peter Bergner  <bergner@vnet.ibm.com>
 343
 344         * doc/invoke.texi: Add cpu_type's 464 and 464fp.
 345         (-mmulhw): Add 464 to description.
 346         (-mdlmzb): Likewise.
 347         * config.gcc: Handle --with-cpu=464 and --with-cpu=464fp.
 348         * config/rs6000/rs6000.c (processor_target_table): Add 464 and
 349         464fp entries.
 350         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add 464 and 464fp support.
 351         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include -mcpu=464.
 352         * config/rs6000/rs6000.md: Update comments for 464.
 353
 354 2008-05-21  Janis Johnson  <janis187@us.ibm.com>
 355
 356         * doc/sourcebuild.texi (Test Directives): Add dg-xfail-run-if.
 357
 358 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
 359
 360         * config/i386/sse.md (vec_extractv4sf): Removed.
 361         (vec_extractv2df): Likewise.
 362         (vec_extractv2di): Likewise.
 363         (vec_extractv4si): Likewise.
 364         (vec_extractv8hi): Likewise.
 365         (vec_extractv16qi): Likewise.
 366         (vec_extract<mode>): New.
 367
 368 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
 369
 370         * config/i386/sse.md (vec_setv4sf): Removed.
 371         (vec_setv2df): Likewise.
 372         (vec_setv2di): Likewise.
 373         (vec_setv4si): Likewise.
 374         (vec_setv8hi): Likewise.
 375         (vec_setv16qi): Likewise.
 376         (vec_set<mode>): New.
 377
 378 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
 379
 380         * config/i386/i386.c (ix86_expand_vector_init_general): Remove
 381         goto for vec_concat and vec_interleave.
 382
 383 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
 384
 385         * config/i386/sse.md (vec_initv4sf): Removed.
 386         (vec_initv2df): Likewise.
 387         (vec_initv2di): Likewise.
 388         (vec_initv4si): Likewise.
 389         (vec_initv8hi): Likewise.
 390         (vec_initv16qi): Likewise.
 391         (vec_init<mode>): New.
 392
 393 2008-05-21  Joseph Myers  <joseph@codesourcery.com>
 394
 395         * collect2.c (find_a_file): Use IS_ABSOLUTE_PATH.
 396
 397 2008-05-21  Tom Tromey  <tromey@redhat.com>
 398
 399         * ggc-zone.c (lookup_page_table_if_allocated): New function.
 400         (zone_find_object_offset): Likewise.
 401         (gt_ggc_m_S): Likewise.
 402         (highest_bit): Likewise.
 403         * ggc-page.c (gt_ggc_m_S): New function.
 404         * stringpool.c (string_stack): Remove.
 405         (init_stringpool): Update.
 406         (ggc_alloc_string): Use ggc_alloc.
 407         (maybe_delete_ident): New function.
 408         (ggc_purge_stringpool): Likewise.
 409         (gt_ggc_m_S): Remove.
 410         * ggc-common.c (ggc_protect_identifiers): New global.
 411         (ggc_mark_roots): Call ggc_purge_stringpool.  Use
 412         ggc_protect_identifiers.
 413         * ggc.h (ggc_protect_identifiers): Declare.
 414         (gt_ggc_m_S): Update.
 415         (ggc_purge_stringpool): Declare.
 416         * toplev.c (compile_file): Set and reset ggc_protect_identifiers.
 417         * gengtype.c (write_types_process_field) <TYPE_STRING>: Remove
 418         special case.
 419         (write_root): Cast gt_ggc_m_S to gt_pointer_walker.
 420
 421 2008-05-21  David S. Miller  <davem@davemloft.net>
 422
 423         * config.gcc (sparc-*-linux*): Always include sparc/t-linux in
 424         tmake_file.
 425
 426 2008-05-21  Eric Botcazou  <ebotcazou@adacore.com>
 427
 428         * cfgexpand.c (tree_expand_cfg): Zap the EH throw statement table
 429         once finished.
 430
 431 2008-05-20  David Daney  <ddaney@avtrex.com>
 432
 433         * config/mips/mips.md (UNSPEC_SYNC_NEW_OP_12,
 434         UNSPEC_SYNC_OLD_OP_12, UNSPEC_SYNC_EXCHANGE_12): New define_constants.
 435         (UNSPEC_SYNC_EXCHANGE, UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
 436         UNSPEC_UPDATE_GOT_VERSION): Renumber.
 437         (optab, insn): Add 'plus' and 'minus' to define_code_attr.
 438         (atomic_hiqi_op): New define_code_iterator.
 439         (sync_compare_and_swap<mode>): Call mips_expand_atomic_qihi instead of
 440         mips_expand_compare_and_swap_12.
 441         (compare_and_swap_12): Use MIPS_COMPARE_AND_SWAP_12 instead of
 442         MIPS_COMPARE_AND_SWAP_12_0.  Pass argument to MIPS_COMPARE_AND_SWAP_12.
 443         (sync_<optab><mode>, sync_old_<optab><mode>,
 444         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
 445         sync_new_nand<mode>): New define_expands for HI and QI mode operands.
 446         (sync_<optab>_12, sync_old_<optab>_12, sync_new_<optab>_12,
 447         sync_nand_12, sync_old_nand_12, sync_new_nand_12): New insns.
 448         (sync_lock_test_and_set<mode>): New define_expand for HI and QI modes.
 449         (test_and_set_12): New insn.
 450         (sync_old_add<mode>, sync_new_add<mode>, sync_old_<optab><mode>,
 451         sync_new_<optab><mode>, sync_old_nand<mode>,
 452         sync_new_nand<mode>, sync_lock_test_and_set<mode>):  Add early
 453         clobber to operand 0 for SI and DI mode insns.
 454         * config/mips/mips-protos.h (mips_gen_fn_6, mips_gen_fn_5,
 455         mips_gen_fn_4): New typedefs.
 456         (mips_gen_fn_ptrs): Define new union type.
 457         (mips_expand_compare_and_swap_12): Remove declaration.
 458         (mips_expand_atomic_qihi): Declare function.
 459         * config/mips/mips.c (mips_expand_compare_and_swap_12): Rename to...
 460         (mips_expand_atomic_qihi): ... this.  Use new generator function
 461         parameter.
 462         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): Add OPS parameter.
 463         (MIPS_COMPARE_AND_SWAP_12_0): Delete macro.
 464         (MIPS_COMPARE_AND_SWAP_12_ZERO_OP,
 465         MIPS_COMPARE_AND_SWAP_12_NONZERO_OP,
 466         MIPS_SYNC_OP_12, MIPS_SYNC_OP_12_NOT_NOP,
 467         MIPS_SYNC_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12,
 468         MIPS_SYNC_OLD_OP_12_NOT_NOP, MIPS_SYNC_OLD_OP_12_NOT_NOP_REG,
 469         MIPS_SYNC_OLD_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12_NOT_NOT_REG,
 470         MIPS_SYNC_NEW_OP_12, MIPS_SYNC_NEW_OP_12_NOT_NOP,
 471         MIPS_SYNC_NEW_OP_12_NOT_NOT, MIPS_SYNC_EXCHANGE_12,
 472         MIPS_SYNC_EXCHANGE_12_ZERO_OP,
 473         MIPS_SYNC_EXCHANGE_12_NONZERO_OP): New macros.
 474
 475 2008-05-20  H.J. Lu  <hongjiu.lu@intel.com>
 476
 477         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Add
 478         the missing break.
 479
 480 2008-05-20  Anatoly Sokolov <aesok@post.ru>
 481
 482         * config/avr/avr.h (machine_function): Add 'is_OS_main' field.
 483         * config/avr/avr.c (avr_OS_main_function_p): Add new function.
 484         (avr_attribute_table): Add 'OS_main' function attribute.
 485         (avr_regs_to_save, expand_prologue, expand_epilogue): Handle
 486         functions with 'OS_main' attribute.
 487
 488 2008-05-20  Richard Guenther  <rguenther@suse.de>
 489
 490         PR tree-optimization/35204
 491         * tree-ssa-sccvn.c (extract_and_process_scc_for_name): New
 492         helper, split out from ...
 493         (DFS): ... here.  Make the DFS walk non-recursive.
 494
 495 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
 496             Jan Sjodin  <jan.sjodin@amd.com>
 497
 498         PR tree-optimization/36181
 499         * tree-parloops.c (loop_has_vector_phi_nodes): New.
 500         (parallelize_loops): Don't parallelize when the loop has vector
 501         phi nodes.
 502
 503 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
 504             Sebastian Pop  <sebastian.pop@amd.com>
 505
 506         * tree-loop-linear.c (gather_interchange_stats): Look in the access
 507         matrix, and never look at the tree representation of the memory
 508         accesses.
 509         (linear_transform_loops): Computes parameters and access matrices.
 510         * tree-data-ref.c (compute_data_dependences_for_loop): Returns false
 511         when fails.
 512         (access_matrix_get_index_for_parameter): New.
 513         * tree-data-ref.h (struct access_matrix): New.
 514         (AM_LOOP_NEST_NUM, AM_NB_INDUCTION_VARS, AM_PARAMETERS, AM_MATRIX,
 515         AM_NB_PARAMETERS, AM_CONST_COLUMN_INDEX, AM_NB_COLUMNS,
 516         AM_GET_SUBSCRIPT_ACCESS_VECTOR, AM_GET_ACCESS_MATRIX_ELEMENT,
 517         am_vector_index_for_loop): New.
 518         (struct data_reference): Add field access_matrix.
 519         (DR_ACCESS_MATRIX): New.
 520         (compute_data_dependences_for_loop): Update declaration.
 521         (lambda_collect_parameters, lambda_compute_access_matrices): Declared.
 522         * lambda.h (lambda_vector_vec_p): Declared.
 523         * lambda-code.c: Depend on pointer-set.h.
 524         (lambda_collect_parameters_from_af, lambda_collect_parameters,
 525         av_for_af_base, av_for_af, build_access_matrix,
 526         lambda_compute_access_matrices): New.
 527         * Makefile.in (lambda-code.o): Depend on pointer-set.h.
 528
 529 2008-05-20  Joseph Myers  <joseph@codesourcery.com>
 530
 531         * doc/install.texi2html: Generate gcc-vers.texi in $DESTDIR not
 532         $SOURCEDIR/include.
 533
 534 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
 535             Sebastian Pop  <sebastian.pop@amd.com>
 536
 537         PR tree-optimization/36206
 538         * tree-scalar-evolution.c: Remove enum INSERT_SUPERLOOP_CHRECS,
 539         FOLD_CONVERSIONS.
 540         (instantiate_scev_1): Rename flags to fold_conversions.
 541         Do not check for INSERT_SUPERLOOP_CHRECS, keep SSA_NAMEs defined
 542         outeside instantiation_loop.
 543         * tree-chrec.h (evolution_function_is_affine_in_loop): New.
 544         (evolution_function_is_affine_or_constant_p): Removed.
 545         * tree-data-ref.c (dr_analyze_indices): Replace resolve_mixers with
 546         instantiate_scev.
 547         (analyze_siv_subscript): Pass in the loop nest number.
 548         Call evolution_function_is_affine_in_loop instead of
 549         evolution_function_is_affine_p.
 550         (analyze_overlapping_iterations): Pass in the loop nest number.
 551
 552 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
 553             Sebastian Pop  <sebastian.pop@amd.com>
 554
 555         PR tree-optimization/36206
 556         * tree-chrec.h (chrec_fold_op): New.
 557         * tree-data-ref.c (initialize_matrix_A): Traverse NOP_EXPR, PLUS_EXPR,
 558         and other trees.
 559
 560 2008-05-20  Nathan Sidwell  <nathan@codesourcery.com>
 561
 562         * c-incpath.c (INO_T_EQ): Do not define on non-inode systems.
 563         (DIRS_EQ): New.
 564         (remove_duplicates): Do not set inode on non-inode systems.
 565         Use DIRS_EQ.
 566
 567 2008-05-20  Sandra Loosemore  <sandra@codesourcery.com>
 568
 569         * config.gcc (tm_file): Update comments about relative pathnames.
 570
 571 2008-05-20  Richard Guenther  <rguenther@suse.de>
 572
 573         * tree-ssa-reassoc.c (fini_reassoc): Use the statistics infrastructure.
 574         * tree-ssa-sccvn.c (process_scc): Likewise.
 575         * tree-ssa-sink.c (execute_sink_code): Likewise.
 576         * tree-ssa-threadupdate.c (thread_through_all_blocks): Likewise.
 577         * tree-vrp.c (process_assert_insertions): Likewise.
 578         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
 579         (perform_tree_ssa_dce): Likewise.
 580         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
 581         (dump_dominator_optimization_stats): Likewise.
 582         * tree-vectorizer.c (vectorize_loops): Likewise.
 583
 584 2008-05-20  Richard Guenther  <rguenther@suse.de>
 585
 586         * tree-vn.c (vn_lookup_with_vuses): Do not use the alias oracle.
 587
 588 2008-05-20  Kai Tietz  <kai.tietz@onevision.com>
 589
 590         * config/i386/i386-protos.h (ix86_return_in_memory): Removed.
 591         (ix86_i386elf_return_in_memory): Likewise.
 592         (ix86_i386interix_return_in_memory): Likewise.
 593         * config/i386/i386-interix.h (TARGET_RETURN_IN_MEMORY): Removed.
 594         (SUBTARGET_RETURN_IN_MEMORY): New.
 595         * config/i386/i386elf.h: Likewise.
 596         * config/i386/ptx4-i.h: Likewise.
 597         * config/i386/sol2-10.h: Likewise.
 598         * config/i386/sysv4.h: Likewise.
 599         * config/i386/vx-common.h: Likewise.
 600         * config/i386/i386.h (TARGET_RETURN_IN_MEMORY): Removed.
 601         * config/i386/i386.c (ix86_return_in_memory): Made static and
 602         make use of optional SUBTARGET_RETURN_IN_MEMORY macro.
 603         (ix86_i386elf_return_in_memory): Removed.
 604         (ix86_i386interix_return_in_memory): Removed.
 605         (TARGET_RETURN_IN_MEMORY): Declared within i386.c only.
 606         * target-def.h (TARGET_RETURN_IN_MEMORY): Remove protection #ifdef.
 607
 608 2008-05-20  Alexandre Oliva  <aoliva@redhat.com>
 609
 610         * cselib.c (cselib_record_sets): Use correct mode for IF_THEN_ELSE.
 611
 612 2008-05-19  Xinliang David Li  <davidxl@google.com>
 613
 614         * tree-ssa-dce.c: Revert patches of 2008-05-17 and 2008-05-18.
 615         * opts.c: Ditto.
 616         * common.opt: Ditto.
 617         * doc/invoke.texi: Ditto.
 618
 619 2008-05-19  Eric Botcazou  <ebotcazou@adacore.com>
 620
 621         * tree.c (substitute_in_expr) <tcc_vl_exp>: Fix thinko.
 622         (substitute_placeholder_in_expr) <tcc_vl_exp>: Minor tweak.
 623
 624 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
 625
 626         * config/i386/i386.c (ix86_expand_vector_init_concat): Change
 627         sizes of operand array from 8/4 to 4/2.
 628         (ix86_expand_vector_init_general): Change size of operand array
 629         from 32 to 16.  Remove op0, op1 and half_mode.
 630
 631 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
 632
 633         * config/i386/i386.c (ix86_expand_vector_init_concat): New.
 634         (ix86_expand_vector_init_interleave): Likewise.
 635         (ix86_expand_vector_init_general): Use them.  Assert word_mode
 636         == SImode when n_words == 4.
 637
 638 2008-05-19  Uros Bizjak  <ubizjak@gmail.com>
 639
 640         * config/i386/i386.c (ix86_secondary_reload): New static function.
 641         (TARGET_SECONDARY_RELOAD): New define.
 642         * config/i386/i386.h (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
 643         * config/i386/i386.md (reload_outqi): Remove.
 644
 645 2008-05-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 646
 647         PR middle-end/35509
 648         * builtins.c (mathfn_built_in_1): Renamed from mathfn_built_in.
 649         Add `implicit' parameter.  Handle BUILT_IN_SIGNBIT.
 650         (mathfn_built_in): Rewrite in terms of mathfn_built_in_1.
 651         (fold_builtin_classify): Handle BUILT_IN_ISINF_SIGN.
 652         (fold_builtin_1): Likewise.
 653         * builtins.def (BUILT_IN_ISINF_SIGN): New.
 654         c-common.c (check_builtin_function_arguments): Handle
 655         BUILT_IN_ISINF_SIGN.
 656         * doc/extend.texi: Document __builtin_isinf_sign.
 657         * fold-const.c (operand_equal_p): Handle COND_EXPR.
 658
 659 2008-05-18  Eric Botcazou  <ebotcazou@adacore.com>
 660
 661         * tree-ssa-dom.c (tree_ssa_dominator_optimize): If some blocks need
 662         EH cleanup at the end of the pass, search for those that have been
 663         turned into forwarder blocks and do the cleanup on their successor.
 664
 665 2008-05-18  Richard Guenther  <rguenther@suse.de>
 666
 667         * tree-cfg.c (verify_gimple_expr): Allow conversions from
 668         pointers to sizetype and vice versa.
 669
 670 2008-05-18 Xinliang David Li   <davidxl@google.com>
 671
 672         * gcc/tree-ssa-dce.c: Coding style fix.
 673         (check_pow): Documentation comment.
 674         (check_log): Documenation comment. Coding style fix.
 675         (is_unnecessary_except_errno_call): Ditto.
 676         (gen_conditions_for_pow): Ditto.
 677         (gen_conditions_for_log): Ditto.
 678         (gen_shrink_wrap_conditions): Ditto.
 679         (shrink_wrap_one_built_in_calls): Ditto.
 680         * gcc/doc/invoke.texi: Better documentation string.
 681         * ChangeLog: Fix wrong change log entries from
 682         May 17 checkin on function call DCE.
 683
 684 2008-05-17  Kaz Kojima  <kkojima@gcc.gnu.org>
 685
 686         * config/sh/sh.c (sh_output_mi_thunk): Update the use of init_flow.
 687
 688 2008-05-17  Kenneth Zadeck <zadeck@naturalbridge.com>
 689
 690         * doc/rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P): Fixed typos.
 691         * df-problems.c (simulation routines): Fixed block comment to
 692         properly say how to add forwards scanning functions.
 693
 694 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
 695
 696         * tree-inline.c (setup_one_parameter): Remove dead code.
 697
 698 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
 699
 700         * fold-const.c (fold_unary) <CASE_CONVERT>: Fold the cast into
 701         a BIT_AND_EXPR only for an INTEGER_TYPE.
 702
 703 2008-05-17 Xinliang David Li   <davidxl@google.com>
 704
 705         * gcc/tree-ssa-dce.c (cond_dead_built_in_calls): New static variable.
 706         (check_pow, check_log, is_unnecessary_except_errno_call): New
 707         functions to check for eliminating math functions that are pure
 708         except for setting errno.
 709         (gen_conditions_for_pow, gen_conditionas_for_log): New functions to
 710         general condition expressions for shrink-wrapping pow/log calls.
 711         (gen_shrink_wrap_conditions): Ditto.
 712         (shrink_wrap_one_built_in_call): Ditto.
 713         (shrink_wrap_conditional_dead_built_in_calls): Ditto.
 714         (mark_operand_necessary): If debugging, output if OP is necessary.
 715         (eliminate_unnecessary_stmts): Eliminate pow, log calls that are
 716         unnecessary.
 717         * gcc/opts.c (decode_options): set flag_tree_builtin_dce to 1 when
 718         opt level >= 2.
 719         * gcc/common.opt: New user flag -ftree-builtin-dce.
 720         * gcc/doc/invoke.texi (-ftree-builtin-dce): New option.
 721
 722 2008-05-16  David S. Miller  <davem@davemloft.net>
 723
 724         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Undef before overriding.
 725         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
 726
 727 2008-05-16  Uros Bizjak  <ubizjak@gmail.com>
 728
 729         PR target/36246
 730         * config/i386/i386.h (SECONDARY_MEMORY_NEEDED_MODE): New define.
 731
 732 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
 733
 734         * ifcvt.c (dead_or_predicable): Rename
 735         df_simulate_one_insn_backwards to df_simulate_one_insn.
 736         * recog.c (peephole2_optimize): Ditto.
 737         * rtl-factoring.c (collect_pattern_seqs, clear_regs_live_in_seq):
 738         Ditto.
 739         * df.h: Rename df_simulate_one_insn_backwards to
 740         df_simulate_one_insn.  and delete df_simulate_one_insn_forwards.
 741         * df-problems.c (df_simulate_artificial_refs_at_top) Reversed
 742         scanning of defs and uses.
 743         (df_simulate_one_insn_backwards): Renamed to df_simulate_one_insn.
 744         (df_simulate_one_insn_forwards): Removed.
 745
 746 2008-05-16  Doug Kwan  <dougkwan@google.com>
 747
 748         * real.c (real_to_decimal, real_to_hexadecimal): Distinguish
 749         QNaN & SNaN.
 750         (real_from_string): Handle NaNs and Inf as approriate.
 751
 752 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
 753
 754         * doc/gty.texi (Source Files Containing Type Information): Note
 755         that headers should appear first in the gtfiles list.
 756
 757 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
 758
 759         * tree.def (COND_EXEC): Properly documented this code.
 760
 761 2008-05-16  Diego Novillo  <dnovillo@google.com>
 762
 763         * dwarf2asm.c (dw2_assemble_integer): Clarify comment.
 764         * tree-nested.c (get_trampoline_type): Set DECL_CONTEXT for
 765         the new field.
 766
 767 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
 768
 769         * tree-ssa-dse (max_stmt_uid): Removed.
 770         (get_stmt_uid, dse_possible_dead_store_p, dse_optimize_stmt,
 771         tree_ssa_dse): Encapsulate all uses of stmt_ann->uid.
 772         * tree-ssa-sccvn.c (compare_ops, init_scc_vn): Ditto.
 773         * function.h (cfun.last_stmt_uid): New field.
 774         * tree-flow-inline.h (set_gimple_stmt_uid, gimple_stmt_uid,
 775         gimple_stmt_max_uid, set_gimple_stmt_max_uid, inc_gimple_stmt_max_uid):
 776         New functions.
 777         * tree-dfa.c (renumber_gimple_stmt_uids): New function.
 778         (create_stmt_ann): Initialize the ann->uid field.
 779         * tree-ssa-pre.c (compute_avail): Encapsulate the stmt_ann->uid
 780         with new calls.
 781         * tree-flow.h (renumber_gimple_stmt_uids): New function.
 782
 783 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
 784
 785         * tree-flow.h (init_empty_tree_cfg_for_function): Declare.
 786         * tree-cfg.c (init_empty_tree_cfg_for_function): Define.
 787         (init_empty_tree_cfg): Call it.
 788
 789 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
 790
 791         * cfg.c (init_flow): Add argument THE_FUN.  Use it instead of cfun.
 792         Update all users.
 793
 794 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
 795
 796         * doc/invoke.text (-fdump-tree-*-verbose): New option.
 797         * tree-dump.c (dump_options): New verbose option.
 798         * tree-pretty-print.c (dump_phi_nodes, dump_generic_bb_buff):
 799         Add verbose dump.
 800         * tree-pass.h (TDF_VERBOSE): New dump flag.
 801         * print-tree.c (print_node): Added code to be able to print PHI_NODES.
 802         (tree-flow.h): Added include.
 803         * Makefile.in (print-tree.o):  Added TREE_FLOW_H.
 804
 805 2008-05-16  Bernd Schmidt  <bernd.schmidt@analog.com>
 806
 807         * config/bfin/bfin.c (bfin_discover_loops): Delete empty loops.
 808
 809         From Jie Zhang  <jie.zhang@analog.com>
 810         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
 811         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Remove mcpu=bf532-0.3,
 812         mcpu=bf561-none and mcpu=bf561-0.2.
 813         * config/bfin/t-bfin-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
 814         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
 815         * config/bfin/t-bfin-linux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
 816         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
 817         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add BFIN_CPU_UNKNOWN.
 818         * config/bfin/elf.h (STARTFILE_SPEC): Use specific CRT for BF561.
 819         (LIB_SPEC): Use proper linker script for bf561.  Error if no mcpu
 820         option.
 821         * config/bfin/bfin.c (bfin_cpu_type): Set to BFIN_CPU_UNKNOWN.
 822         (cputype_selected): Remove.
 823         (bfin_handle_option): Don't use cputype_selected.
 824         (override_options): When no mcpu option, enable all workarounds.
 825         Don't use bfin_workarounds.
 826         * config/bfin/bfin.h (DRIVER_SELF_SPECS): Don't set default
 827         processor type.
 828         (DEFAULT_CPU_TYPE): Don't define.
 829
 830 2008-05-16  Richard Guenther  <rguenther@suse.de>
 831
 832         * tree-ssa-propagate.c (substitute_and_fold): Fix stmt walking
 833         on deletion of the last stmt.
 834
 835 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 836
 837         * config/i386/i386.c (ix86_expand_vector_init_general): Optimize
 838         V8HImode for SSE2 and V16QImode for SSE4.1.
 839
 840 2008-05-15  Kenneth Zadeck <zadeck@naturalbridge.com>
 841
 842         * cgraph.h (compute_inline_parameters): Made public.
 843         * tree-pass.h (ipa_opt_pass): Removed function_generate_summary,
 844         variable_generate_summary, function_write_summary,
 845         variable_write_summary, variable_read_summary.  Added generate_summary,
 846         write_summary, read_summary.
 847         * cgraphunit.c (cgraph_process_new_functions): Changed call from
 848         pass_ipa_inline.function_generate_summary, to
 849         compute_inline_parameters.
 850         * ipa-inline.c (compute_inline_parameters): Made public and added
 851         node parameter.
 852         (compute_inline_parameters_for_current): New function.
 853         (pass_inline_param): Now calls compute_inline_parameters_for_current.
 854         (inline_generate_summary): Removed parameter and made to loop over
 855         all cgraph nodes.
 856         (pass_ipa_inline): Updated for new IPA_PASS structure.
 857         * passes.c (execute_ipa_summary_passes): Now is called once per
 858         pass rather than once per node*pass.
 859
 860 2008-05-15  Anatoly Sokolov <aesok@post.ru>
 861
 862         * config/avr/avr.c (avr_base_arch_macro, avr_have_movw_lpmx_p,
 863         avr_have_mul_p, avr_asm_only_p): Remove variables.
 864         (avr_override_options): Remove initialization of removed variables.
 865         (avr_file_start):  Convert removed variables to fields of
 866         'struct base_arch_s *avr_current_arch'.
 867         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): (Ditto.).
 868         (AVR_HAVE_MUL): (Ditto.).
 869         (AVR_HAVE_MOVW): (Ditto.).
 870         (AVR_HAVE_LPMX): (Ditto.).
 871         (avr_base_arch_macro, avr_have_movw_lpmx_p, avr_have_mul_p,
 872         avr_asm_only_p): Remove declaration.
 873
 874 2008-05-15  Diego Novillo  <dnovillo@google.com>
 875
 876         * config/arm/arm.c (arm_return_in_memory): Fix return type.
 877         * config/arm/arm-protos.h (arm_return_in_memory): Likewise.
 878
 879 2008-05-15  Adam Nemet  <anemet@caviumnetworks.com>
 880
 881         PR middle-end/36194
 882         * combine.c (check_conversion): Rename back to check_promoted_subreg.
 883         Don't call record_truncated_value from here.
 884         (record_truncated_value): Turn it into a for_each_rtx callback.
 885         (record_truncated_values): New function.
 886         (combine_instructions): Call note_uses with record_truncated_values.
 887         Change name of check_conversion to check_promoted_subreg.
 888
 889 2008-05-15  Janis Johnson  <janis187@us.ibm.com>
 890
 891         * doc/sourcebuild.texi: Document support for torture tests.
 892
 893 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
 894
 895         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Add "m" constraint
 896         to alternative 4 of operand 2.
 897
 898 2008-05-15  Richard Guenther  <rguenther@suse.de>
 899
 900         * tree-pass.h (current_pass): Declare.
 901         (get_pass_for_id): Likewise.
 902         * passes.c (passes_by_id, passes_by_id_size): New globals.
 903         (set_pass_for_id): New function.
 904         (get_pass_for_id): Likewise.
 905         (register_one_dump_file): Use set_pass_for_id to populate passes_by_id.
 906         (execute_function_todo): Flush per function statistics.
 907         * toplev.c (compile_file): Init statistics.
 908         (general_init): Do early statistics initialization.
 909         (finalize): Finish statistics.
 910         * statistics.h (statistics_early_init): Declare.
 911         (statistics_init): Likewise.
 912         (statistics_fini): Likewise.
 913         (statistics_fini_pass): Likewise.
 914         (statistics_counter_event): Likewise.
 915         (statistics_histogram_event): Likewise.
 916         * statistics.c: New file.
 917         * Makefile.in (OBJS-common): Add statistics.o.
 918         (statistics.o): Add dependencies.
 919         * doc/invoke.texi (-fdump-statistics): Document.
 920
 921         * tree-ssa-pre.c (compute_antic): Use statistics_histogram_event.
 922         (insert): Likewise.
 923         (execute_pre): Use statistics_counter_event.
 924         * tree-ssa-propagate.c (struct prop_stats_d): Add num_dce field.
 925         (substitute_and_fold): Increment it.  Use statistics_counter_event.
 926
 927 2008-05-15  Diego Novillo  <dnovillo@google.com>
 928
 929         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00893.html
 930
 931         * treestruct.def (TS_STRUCT_FIELD_TAG): Remove.
 932         * tree-ssa-alias.c (new_type_alias): Remove references to
 933         sub-variables from comment.
 934         * tree-ssa-operands.c (swap_tree_operands): Likewise.
 935
 936 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 937
 938         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Set prefix_extra
 939         attribute to 1 only for insertps alternative.
 940
 941 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
 942
 943         * config/bfin/bfin.md (loadbytes): New pattern.
 944         * config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_LOADBYTES.
 945         (bfin_init_builtins): Initialize it.
 946         (bdesc_1arg): Add it.
 947
 948 2008-05-15  Sa Liu  <saliu@de.ibm.com>
 949
 950         * testsuite/gfortran.dg/c_kind_int128_test1.f03: New.
 951         * testsuite/gfortran.dg/c_kind_int128_test2.f03: New.
 952         * testsuite/lib/target-supports.exp: Add
 953         check_effective_target_fortran_integer_16.
 954
 955 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
 956
 957         * config/bfin/bfin.h (TARGET_RETURN_IN_MEMORY): Don't define here.
 958         * config/bfin/bfin-protos.h (bfin_return_in_memory): Don't declare.
 959         * config/bfin/bfin.c (bfin_return_in_memory): Now static.  Return bool.
 960         (TARGET_RETURN_IN_MEMORY): Define.
 961
 962 2008-05-15  Richard Guenther  <rguenther@suse.de>
 963
 964         PR middle-end/36244
 965         * tree-ssa-alias.c (new_type_alias): Do not set TREE_READONLY.
 966         * tree-flow-inline.h (unmodifiable_var_p): Memory tags never
 967         represent unmodifiable vars.
 968
 969 2008-05-15  Richard Guenther  <rguenther@suse.de>
 970
 971         * tree-dfa.c (refs_may_alias_p): Allow all kinds of
 972         INDIRECT_REF and TARGET_MEM_REF.
 973         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
 974         TARGET_MEM_REF.
 975
 976 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
 977             H.J. Lu  <hongjiu.lu@intel.com>
 978
 979         * config/i386/sse.md (*vec_concatv2sf_sse4_1): New insn pattern.
 980         (*vec_concatv2si_sse4_1): Use vector_move_operand predicate
 981         for operand 2.  Remove pinsr{q,d} with 0x0 immediate operand from
 982         insn alternatives.  Add missing alternatives.
 983         (*vec_concatv2di_rex64_sse4_1): Likewise.
 984         (*vec_concatv2si_sse2): Use "x" register constraint instead of "Y2".
 985         (*vec_concatv2di_rex64_sse): Rename from *vec_concatv2di_rex64.
 986         Require TARGET_SSE.
 987
 988 2008-05-15  Richard Guenther  <rguenther@suse.de>
 989
 990         PR tree-optimization/36009
 991         PR tree-optimization/36204
 992         * tree-ssa-loop-im.c (tree-ssa-propagate.h): Include.
 993         (determine_invariantness_stmt): Record the loop a store is
 994         always executed in.
 995         * Makefile.in (tree-ssa-loop-im.o): Add tree-ssa-propagate.h
 996         dependency.
 997
 998 2008-05-15  Richard Guenther  <rguenther@suse.de>
 999
1000         PR tree-optimization/34330
1001         * tree-ssa-alias.c (get_smt_for): Only assert that accesses
1002         through the pointer will alias the SMT.
1003
1004 2008-05-14  Andreas Tobler  <a.tobler@schweiz.org>
1005
1006         * config/sparc/sparc.h (NO_PROFILE_COUNTERS): Define as 0.
1007
1008 2008-05-14  H.J. Lu  <hongjiu.lu@intel.com>
1009
1010         * config/i386/sse.md (*sse4_1_pinsrq): Make it 64bit only.
1011
1012 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
1013             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
1014
1015         * optabs.h (optab_index): Add OTI_vashl, OTI_vlshr, OTI_vashr,
1016         OTI_vrotl, OTI_vrotr to support vector/vector shifts.
1017         (vashl_optab): New optab for vector/vector shifts.
1018         (vashr_optab): Ditto.
1019         (vlshr_optab): Ditto.
1020         (vrotl_optab): Ditto.
1021         (vrotr_optab): Ditto.
1022         (optab_subtype): New enum for optab_for_tree_code call.
1023         (optab_for_tree_code): Add enum optab_subtype argument.
1024
1025         * optabs.c (optab_for_tree_code): Take an additional argument to
1026         distinguish between a vector shift by a scalar and vector shift by
1027         a vector.  Make lshr/ashr/ashl/rotl/rotr optabs just vector
1028         shifted by a scalar.  Use vlshr/vashr/vashl/vrotl/vrotr for the
1029         vector shift by a vector.
1030         (expand_widen_pattern_expr): Pass additional argument to
1031         optab_for_tree_code.
1032
1033         * genopinit.c (optabs): Add vashr_optab, vashl_optab, vlshr_optab,
1034         vrotl_optab, vrotr_optab.
1035
1036         * expr.c (expand_expr_real_1): Update calls to
1037         optab_for_tree_code to distinguish between vector shifted by a
1038         scalar and vector shifted by a vector.
1039         * tree-vectorizer.c (supportable_widening_operation): Ditto.
1040         (supportable_narrowing_operation): Ditto.
1041         * tree-vect-analyze.c (vect_build_slp_tree): Ditto.
1042         * tree-vect-patterns.c (vect_pattern_recog_1): Ditto.
1043         * tree-vect-transform.c (vect_model_reduction_cost): Ditto.
1044         (vect_create_epilog_for_reduction): Ditto.
1045         (vectorizable_reduction): Ditto.
1046         (vectorizable_operation): Ditto.
1047         (vect_strided_store_supported): Ditto.
1048         (vect_strided_load_supported): Ditto.
1049         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
1050         * expmed.c (expand_shift): Ditto.
1051
1052         * doc/md.texi (ashl@var{m}3): Document that operand 2 is always a
1053         scalar type.
1054         (ashr@var{m}3): Ditto.
1055         (vashl@var{m}3): Document new vector/vector shift standard name.
1056         (vashr@var{m}3): Ditto.
1057         (vlshr@var{m}3): Ditto.
1058         (vrotl@var{m}3): Ditto.
1059         (vrotr@var{m}3): Ditto.
1060
1061         * config/i386/i386.md (PPERM_SRC): Move PPERM masks here from i386.c.
1062         (PPERM_INVERT): Ditto.
1063         (PPERM_REVERSE): Ditto.
1064         (PPERM_REV_INV): Ditto.
1065         (PPERM_ZERO): Ditto.
1066         (PPERM_ONES): Ditto.
1067         (PPERM_SIGN): Ditto.
1068         (PPERM_INV_SIGN): Ditto.
1069         (PPERM_SRC1): Ditto.
1070         (PPERM_SRC2): Ditto.
1071
1072         * config/i386/sse.md (mulv2di3): Add SSE5 support.
1073         (sse5_pmacsdql_mem): New SSE5 define_and_split that temporarily
1074         allows a memory operand to be the value being added, and split it
1075         to improve vectorization.
1076         (sse5_pmacsdqh_mem): Ditto.
1077         (sse5_mulv2div2di3_low): SSE5 32-bit multiply and extend function.
1078         (sse5_mulv2div2di3_high): Ditto.
1079         (vec_pack_trunc_v8hi): Add SSE5 pperm support.
1080         (vec_pack_trunc_v4si): Ditto.
1081         (vec_pack_trunc_v2di): Ditto.
1082         (sse5_pcmov_<mode>): Remove code that tried to use use
1083         andps/andnps instead of pcmov.
1084         (vec_widen_smult_hi_v4si): If we have SSE5, use the pmacsdql and
1085         pmacsdqh instructions.
1086         (vec_widen_smult_lo_v4si): Ditto.
1087
1088         * config/i386/i386.c (PPERM_SRC): Move PPERM masks to i386.md.
1089         (PPERM_INVERT): Ditto.
1090         (PPERM_REVERSE): Ditto.
1091         (PPERM_REV_INV): Ditto.
1092         (PPERM_ZERO): Ditto.
1093         (PPERM_ONES): Ditto.
1094         (PPERM_SIGN): Ditto.
1095         (PPERM_INV_SIGN): Ditto.
1096         (PPERM_SRC1): Ditto.
1097         (PPERM_SRC2): Ditto.
1098         (ix86_expand_sse_movcc): Move the SSE5 test after the if
1099         true/false tests.
1100         (ix86_expand_int_vcond): If SSE5 generate all possible integer
1101         comparisons.
1102         (ix86_sse5_valid_op_p): Allow num_memory to be negative, which
1103         says ignore whether the last reference is a memory operand.
1104
1105 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
1106             Paolo Bonzini <bonzini at gnu dot org>
1107
1108         * config/rs6000/rs6000.c (bdesc_2arg): Change the names of vector
1109         shift patterns.
1110
1111         * config/rs6000/altivec.md (vashl<mode>3): Rename from ashl<mode>3.
1112         (vlshr<mode>3): Rename from vlshr<mode>3.
1113         (vashr<mode>3): Rename from vashr<mode>3.
1114         (mulv4sf3): Change the names of vector shift patterns.
1115         (mulv4si3): Ditto.
1116         (negv4sf2): Ditt.
1117
1118         * config/spu/spu.c (spu_initialize_trampoline): Rename vector
1119         shift insns.
1120
1121         * config/spu/spu-builtins.def (SI_SHLH): Rename vector shift insns.
1122         (SI_SHLHI): Ditto.
1123         (SI_SHL): Ditto.
1124         (SI_SHLI): Ditto.
1125         (SI_ROTH): Ditto.
1126         (SI_ROTHI): Ditto.
1127         (SI_ROT): Ditto.
1128         (SI_ROTI): Ditto.
1129         (SPU_RL_0): Ditto.
1130         (SPU_RL_1): Ditto.
1131         (SPU_RL_2): Ditto.
1132         (SPU_RL_3): Ditto.
1133         (SPU_RL_4): Ditto.
1134         (SPU_RL_5): Ditto.
1135         (SPU_RL_6): Ditto.
1136         (SPU_RL_7): Ditto.
1137         (SPU_SL_0): Ditto.
1138         (SPU_SL_1): Ditto.
1139         (SPU_SL_2): Ditto.
1140         (SPU_SL_3): Ditto.
1141         (SPU_SL_4): Ditto.
1142         (SPU_SL_5): Ditto.
1143         (SPU_SL_6): Ditto.
1144         (SPU_SL_7): Ditto.
1145
1146         * config/spu/spu.md (v): New iterator macro to add v for vector types.
1147         (floatunssidf2_internal): Change vector/vector shift names.
1148         (floatunsdidf2_internal): Ditto.
1149         (mulv8hi3): Ditto.
1150         (ashrdi3): Ditto.
1151         (ashrti3): Ditto.
1152         (cgt_df): Ditto.
1153         (cgt_v2df): Ditto.
1154         (dftsv): Ditto.
1155         (vashl<mode>3): Rename from ashl<mode>3.
1156         (vashr<mode>3): Rename from ashr<mode>3.
1157         (vlshr<mode>3): Rename from lshr<mode>3.
1158         (vrotl<mode>3): Rename from rotl<mode>3.
1159
1160 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
1161
1162         PR target/36224
1163         * config/i386/sse.md (vec_widen_smult_hi_v4si): Delete, using unsigned
1164         multiply gives the wrong value when doing widening multiplies.
1165         (vec_widen_smult_lo_v4si): Ditto.
1166
1167 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
1168
1169         * optabs.c (prepare_cmp_insn): Changed LCT_PURE_MAKE_BLOCK to
1170         LCT_PURE and LCT_CONST_MAKE_BLOCK to LCT_CONST in calls to
1171         emit_library_call_value.
1172         * builtins.c (expand_builtin_powi, expand_builtin_memcmp): Ditto.
1173         * tree.h (ECF_LIBCALL_BLOCK): Removed.
1174         * calls.c (initialize_argument_information, precompute_arguments,
1175         expand_call, emit_library_call_value_1): Remove ECF_LIBCALL_BLOCK.
1176         (precompute_arguments): Removed flags parameter.
1177         * rtl.h (LCT_CONST_MAKE_BLOCK, LCT_PURE_MAKE_BLOCK): Removed.
1178
1179 2008-05-14  Richard Guenther  <rguenther@suse.de>
1180
1181         * tree-ssa-dse.c (dse_possible_dead_store_p): Remove dead code.
1182         Make sure to register the store if the use is a PHI_NODE.
1183
1184 2008-05-14  Olivier Hainque  <hainque@adacore.com>
1185
1186         * expr.c (expand_expr_real_1) <normal_inner_ref>: Force op0 to
1187         memory if the component is to be referenced in BLKmode according
1188         to get_inner_reference.
1189
1190 2008-05-14  Adam Nemet  <anemet@caviumnetworks.com>
1191
1192         * calls.c (emit_library_call_value_1): Restore code clearing
1193         ECF_LIBCALL_BLOCK to ensure that we only call end_sequence once.
1194
1195 2008-05-14  Olivier Hainque  <hainque@adacore.com>
1196             Nicolas Roche  <roche@adacore.com>
1197
1198         * configure.ac: Add support for a "gcc_subdir" variable in
1199         config-lang.in, to denote a subdirectory where the language/GCC
1200         integration files are to be found.
1201         * configure: Regenerate.
1202
1203 2008-05-14  Ira Rosen  <irar@il.ibm.com>
1204
1205         PR tree-optimization/36098
1206         * tree-vect-analyze.c (vect_analyze_group_access): Set the gap
1207         value for the first load in the group in case of a gap.
1208         (vect_build_slp_tree): Check that there are no gaps in loads.
1209
1210 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
1211
1212         * doc/rtl.texi: Removed reference to REG_NO_CONFLICT notes.
1213         * optabs.c (expand_binop, expand_absneg_bit, expand_unop,
1214         expand_copysign_bit, ): Change call to emit_no_conflict_block to
1215         emit_insn and remove unneeded code to construct extra args.
1216         (emit_no_conflict_block): Removed.
1217         * optabls.h: (emit_no_conflict_block): Removed.
1218         * cse.c (cse_extended_basic_block): Remove search for
1219         REG_NO_CONFLICT note.
1220         * global.c: Removed incorrect comment added in revision 117.
1221         * expr.c (convert_move): Change call to emit_no_conflict_block to
1222         emit_insn.
1223         * recog.c: Change comments so that they do not mention
1224         REG_NO_CONFLICT.
1225         * local_alloc.c (combine_regs): Removed last parameter.
1226         (no_conflict_p): Removed.
1227         (block_alloc): Removed note, no_conflict_combined_regno and set
1228         local vars. Removed all code to process REG_NO_CONFLICT blocks.
1229         (combine_regs): Removed already_dead and code to look for
1230         REG_NO_CONFLICT notes.
1231         * lower_subreg (remove_retval_note): Removed code to look for
1232         REG_NO_CONFLICT block.
1233         (resolve_reg_notes): Removed REG_NO_CONFLICT case.
1234         (resolve_clobber): Remove code to process libcalls that have
1235         REG_NO_CONFLICT notes.
1236         * loop_invariant.c (find_invariant_insn): Removed REG_NO_CONFLICT
1237         case.
1238         * combine.c (can_combine_p, distribute_notes):  Removed
1239         REG_NO_CONFLICT case.
1240         * config/cris/cris.md (movdi pattern): Changed emit_no_conflict_block
1241         to emit_insns.
1242         * config/mn10300/mn10300.md (absdf2, negdf2 patterns): Ditto.
1243         * config/m68k/m68k.md (negdf2, negxf2, absdf2, absxf2 patterns):
1244         Ditto.
1245         * reg-notes.def (NO_CONFLICT): Removed.
1246
1247 2008-05-14  David S. Miller  <davem@davemloft.net>
1248
1249         * config/sparc/sparc.c (sparc_profile_hook): If
1250         NO_PROFILE_COUNTERS, don't generate and pass a label into mcount.
1251         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Define as 1.
1252         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
1253
1254 2008-05-14  Andreas Krebbel  <krebbel1@de.ibm.com>
1255
1256         * cse.c (cse_cc_succs): Invoke delete_insn_and_edges.
1257
1258 2008-05-13  Uros Bizjak  <ubizjak@gmail.com>
1259
1260         PR target/36222
1261         * config/i386/i386.c (ix86_expand_vector_init_general): Rearrange op0
1262         and op1 expansion before vector concat to have less live pseudos.
1263
1264 2008-05-13  H.J. Lu  <hongjiu.lu@intel.com>
1265
1266         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
1267         ix86_expand_vector_set if supported.
1268
1269 2008-05-13  Diego Novillo  <dnovillo@google.com>
1270             Kenneth Zadeck  <zadeck@naturalbridge.com>
1271
1272         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00748.html
1273
1274         * tree.h (init_phinodes, fini_phinodes, release_phi_node,
1275         phinodes_print_statistics, init_ssanames, fini_ssanames,
1276         make_ssa_name, duplicate_ssa_name, duplicate_ssa_name_ptr_info,
1277         release_ssa_name, release_defs, replace_ssa_name_symbol,
1278         ssanames_print_statistics): Move ...
1279         * tree-flow.h: ... here.
1280         * tree-ssanames.c (init_ssanames): Add arguments FN and SIZE.
1281         Use FN instead of cfun.
1282         (make_ssa_name_fn): Rename from make_ssa_name.
1283         (pass_release_ssa_names): Add TODO_dump_func to finish flags.
1284         * tree-flow-inline.h (make_ssa_name): Move from
1285         tree-ssanames.c.  Convert to static inline.  Call make_ssa_name_fn.
1286         * omp-low.c (expand_omp_parallel):
1287         * tree-flow-inline.h (redirect_edge_var_map_result):
1288         * tree-ssa.c (init_tree_ssa): Add argument FN.
1289         Use it instead of cfun.  Update all users.
1290
1291 2008-05-13  Tom Tromey  <tromey@redhat.com>
1292
1293         PR preprocessor/22168:
1294         * doc/cpp.texi (Top): Update menu.
1295         (Alternatives to Wrapper #ifndef): New node.
1296         (Other Directives): Document deprecation.
1297         (Obsolete Features): Remove menu.
1298         (Assertions): Merge node into Obsolete Features.
1299         (Obsolete once-only headers): Move earlier; rename to Alternatives
1300         to Wrapper #ifndef.
1301         * doc/cppopts.texi: Update.
1302         * c.opt (Wdeprecated): Enable for C and ObjC.
1303         * doc/invoke.texi (Option Summary): Move -Wno-deprecated.
1304         (C++ Dialect Options): Move -Wno-deprecated from here to...
1305         (Warning Options): ... here.
1306
1307 2008-05-13  Richard Guenther  <rguenther@suse.de>
1308
1309         PR middle-end/36227
1310         * fold-const.c (fold_sign_changed_comparison): Do not allow
1311         changes in pointer-ness.
1312
1313 2008-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
1314
1315         PR target/24713
1316         * config/sh/sh.c (sh_expand_prologue): Don't clear
1317         RTX_FRAME_RELATED_P for push insns.
1318
1319 2008-05-12  Andy Hutchinson  <hutchinsonandy@aim.com>
1320
1321         * config/avr/avr.h (MAX_OFILE_ALIGNMENT): Define.
1322
1323 2008-05-12  Anatoly Sokolov <aesok@post.ru>
1324
1325         * config/avr/avr.h (machine_function): Add 'is_leaf' field.
1326         * config/avr/avr.c (avr_regs_to_save): Compute 'machine->is_leaf'.
1327         Use 'machine->is_leaf' instead of 'leaf_func_p'.
1328
1329 2008-05-12  H.J. Lu  <hongjiu.lu@intel.com>
1330
1331         * config/i386/sse.md (*sse_concatv4sf): Renamed to ...
1332         (*vec_concatv4sf_sse): This.
1333         (*sse2_concatv2si): Renamed to ...
1334         (*vec_concatv2si_sse2): This.
1335         (*sse1_concatv2si): Renamed to ...
1336         (*vec_concatv2si_sse): This.
1337         (*vec_concatv2di_rex): Renamed to ...
1338         (*vec_concatv2di_rex64): This.
1339         (*vec_concatv2si_sse4_1): New.
1340         (*vec_concatv2di_rex64_sse4_1): Likewise.
1341
1342 2008-05-12  Uros Bizjak  <ubizjak@gmail.com>
1343
1344         PR rtl-optimization/36111
1345         * recog.c (validate_replace_rtx_1): Unshare new RTL expression
1346         that was created for swappable operands.
1347
1348 2008-05-12  Samuel Tardieu  <sam@rfc1149.net>
1349
1350         PR ada/36001
1351         * Makefile.in: Substitute GNATMAKE and GNATBIND.
1352         * configure.ac: Add call to ACX_PROG_GNAT.
1353
1354 2008-05-11  Volker Reichelt  <v.reichelt@netcologne.de>
1355
1356         * optc-gen.awk: Fix comment typo.
1357
1358 2008-05-11  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
1359
1360         * pretty-print.c (pp_integer_with_precision): Use
1361         HOST_LONG_LONG_FORMAT.
1362
1363 2008-05-10  Kenneth Zadeck  <zadeck@naturalbridge.com>
1364
1365         * gcse.c (store_killed_in_insn): Negated call to RTL_CONST_CALL_P.
1366
1367 2008-05-10  H.J. Lu  <hongjiu.lu@intel.com>
1368
1369         * config/i386/i386.c (bdesc_ptest): Removed.
1370         (ix86_builtin_type): Add INT_FTYPE_V2DI_V2DI_PTEST.
1371         (bdesc_args): Add __builtin_ia32_ptestz128,
1372         __builtin_ia32_ptestc128 and __builtin_ia32_ptestnzc128.
1373         (ix86_init_mmx_sse_builtins): Updated.
1374         (ix86_expand_args_builtin): Handle INT_FTYPE_V2DI_V2DI_PTEST.
1375         (ix86_expand_builtin): Updated.
1376
1377 2008-05-10  Richard Sandiford  <rdsandiford@googlemail.com>
1378
1379         * tree-cfg.c (valid_fixed_convert_types_p): New function.
1380         (verify_gimple_expr): Handle FIXED_CONVERT_EXPR.
1381
1382 2008-05-10  Uros Bizjak  <ubizjak@gmail.com>
1383
1384         * value-prof.c (interesting_stringop_to_profile): Do not
1385         return early for BUILT_IN_MEMPCPY.
1386
1387 2008-05-09  H.J. Lu  <hongjiu.lu@intel.com>
1388
1389         * calls.c (expand_call): Don't use callgraph to increase
1390         preferred_stack_boundary.
1391
1392         * cgraph.h (cgraph_rtl_info): Use unsigned on
1393         preferred_incoming_stack_boundary.
1394
1395         * final.c (rest_of_clean_state): Use unsigned on
1396         preferred_stack_boundary.
1397
1398 2008-05-09  Tom Tromey  <tromey@redhat.com>
1399
1400         PR preprocessor/22231:
1401         * c-opts.c (sanitize_cpp_opts): Disallow -MG if compilation is
1402         proceeding.
1403
1404 2008-05-09  Uros Bizjak  <ubizjak@gmail.com>
1405
1406         PR tree-optimization/36129
1407         * tree-ssa-ccp.c: Include value-prof.h.
1408         (execute_fold_all_builtins): Call gimple_remove_stmt_histograms if
1409         built-in function was folded to a constant.
1410         * Makefile.in (tree-ssa-ccp.c): Depend on value-prof.h
1411
1412 2008-05-09  Jan Sjodin  <jan.sjodin@amd.com>
1413             Sebastian Pop  <sebastian.pop@amd.com>
1414
1415         * tree-scalar-evolution.c: Document instantiate_scev.
1416         (instantiate_parameters_1): Renamed instantiate_scev_1.
1417         Don't use the same loop for instantiation_loop and evolution_loop.
1418         (instantiate_scev): New.
1419         (instantiate_parameters): Moved...
1420         (resolve_mixers): Update call to instantiate_scev_1 to pass the
1421         same loop twice.  Maintains the semantics for this function.
1422         * tree-scalar-evolution.h (instantiate_scev): Declare.
1423         (instantiate_parameters): ...here.  Now static inline.
1424         * tree-data-ref.c (dr_analyze_indices): Call instantiate_scev
1425         instead of resolve_mixers.
1426
1427 2008-05-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
1428
1429         * rtl-factoring.c (collect_pattern_seqs): Fix typo.
1430
1431 2008-05-09  Tomas Bily  <tbily@suse.cz>
1432
1433         * config/pa/pa.c (reloc_needed): Use CASE_CONVERT.
1434         * tree-cfg.c (verify_expr, verify_gimple_expr): Likewise.
1435         * tree-ssa-structalias.c (get_constraint_for): Likewise.
1436         * c-common.c (c_common_truthvalue_conversion): Likewise.
1437         * tree-object-size.c (compute_object_offset): Likewise.
1438         * tree-inline.c (estimate_num_insns_1): Likewise.
1439         * varasm.c (const_hash_1, compare_constant, copy_constant)
1440         (compute_reloc_for_constant, output_addressed_constants)
1441         (initializer_constant_valid_p): Likewise.
1442         * c-omp.c (check_omp_for_incr_expr): Likewise.
1443         * gimplify.c (gimplify_expr): Likewise.
1444         * c-typeck.c (c_finish_return): Likewise.
1445         * tree-vectorizer.c (supportable_widening_operation)
1446         (supportable_narrowing_operation): Likewise.
1447         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Likewise.
1448         * matrix-reorg.c (can_calculate_expr_before_stmt): Likewise.
1449         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
1450         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info)
1451         (descr_info_loc): Likewise.
1452         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
1453         * fold-const.c (operand_equal_p, make_range, extract_muldiv_1)
1454         (fold_unary): Likewise.
1455         * builtins.c (get_pointer_alignment): Likewise.
1456         * tree-scalar-evolution.c (interpret_rhs_modify_stmt)
1457         (instantiate_parameters_1): Likewise.
1458         * tree.c (expr_align, stabilize_reference): Likewise.
1459         * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1460         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
1461         * convert.c (strip_float_extensions): Use CONVERT_EXPR_P.
1462         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
1463         * config/alpha/alpha.c (va_list_skip_additions): Likewise.
1464         * c-common.c (c_alignof_expr, check_function_arguments_recurse):
1465         Likewise.
1466         * tree-ssa.c (tree_ssa_useless_type_conversion): Likewise.
1467         * varasm.c (initializer_constant_valid_p, output_constant): Likewise.
1468         * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
1469         (forward_propagate_addr_expr_1, forward_propagate_addr_expr)
1470         (forward_propagate_comparison)
1471         (tree_ssa_forward_propagate_single_use_vars): Likewise.
1472         * cfgexpand.c (discover_nonconstant_array_refs_r): Likewise.
1473         * emit-rtl.c (component_ref_for_mem_expr)
1474         (set_mem_attributes_minus_bitpos): Likewise.
1475         * tree-ssa-phiopt.c (conditional_replacement): Likewise.
1476         * gimplify.c (gimplify_conversion, goa_lhs_expr_p, gimplify_expr):
1477         Likewise.
1478         * c-typeck.c (default_function_array_conversion, build_indirect_ref)
1479         (build_function_call, pointer_diff, build_compound_expr)
1480         (c_finish_return): Likewise.
1481         * tree-vect-analyze.c (vect_determine_vectorization_factor): Likewise.
1482         * matrix-reorg.c (get_inner_of_cast_expr, may_flatten_matrices_1):
1483         Likewise.
1484         * tree-ssa-ifcombine.c (recognize_single_bit_test): Likewise.
1485         * expr.c (is_aligning_offset): Likewise.
1486         * tree-ssa-alias.c (is_escape_site): Likewise.
1487         * tree-stdarg.c (va_list_counter_bump, check_va_list_escapes)
1488         (check_all_va_list_escapes): Likewise.
1489         * tree-ssa-loop-ivopts.c (determine_base_object)
1490         (determine_common_wider_type): Likewise.
1491         * dojump.c (do_jump): Likewise.
1492         * tree-ssa-sccvn.c (simplify_unary_expression): Likewise.
1493         * tree-gimple.c (is_gimple_cast): Likewise.
1494         * fold-const.c (decode_field_reference, )
1495         (fold_sign_changed_comparison, fold_unary, fold_comparison)
1496         (fold_binary): Likewise.
1497         * tree-ssa-alias-warnings.c (find_alias_site_helper)
1498         (already_warned_in_frontend_p): Likewise.
1499         * builtins.c (get_memory_rtx, fold_builtin_next_arg): Likewise.
1500         * tree.c (really_constant_p, get_unwidened): Likewise.
1501         * tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
1502         * tree-ssa-loop-im.c (rewrite_bittest): Likewise.
1503         * tree-vrp.c (register_edge_assert_for_2, register_edge_assert_for_1):
1504         Likewise.
1505         * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Use
1506         CONVERT_EXPR_P.
1507         (CONVERT_EXPR_P): Define.
1508         (CASE_CONVERT): Define.
1509
1510 2008-05-08  Kenneth Zadeck  <zadeck@naturalbridge.com>
1511
1512         PR middle-end/36117
1513         * dce.c (deletable_insn_p): Do not delete calls if df_in_progress.
1514         (delete_unmarked_insns): When deleting a call, call
1515         delete_unreachable_blocks.
1516         * rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
1517         RTL_CONST_OR_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P): Fixed doc.
1518
1519 2008-05-08  Richard Guenther  <rguenther@suse.de>
1520
1521         * doc/invoke.texi (-fdump-tree-salias): Remove documentation.
1522         (-ftree-salias): Likewise.
1523         (salias-max-implicit-fields): Remove param documentation.
1524         (salias-max-array-elements): Likewise.
1525         * tree-pass.h (pass_create_structure_vars): Remove.
1526         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): Remove.
1527         (SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
1528         * tree-ssa-alias.c (create_structure_vars): Remove.
1529         (gate_structure_vars): Likewise.
1530         (pass_create_structure_vars): Likewise.
1531         (gate_build_alias): Likewise.
1532         (pass_build_alias): Adjust to run always and dump the function.
1533         * common.opt (ftree-salias): Hide.
1534         * passes.c (init_optimization_passes): Remove
1535         pass_create_structure_vars, adjust comment.
1536         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): Remove.
1537         (PARAM_SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
1538         * opts.c (decode_options): Do not set flag_tree_salias.
1539         (common_handle_option): Add OPT_ftree_salias to the backward
1540         compatibility section.
1541
1542 2008-05-08  Richard Guenther  <rguenther@suse.de>
1543
1544         * tree-flow-inline.h (var_can_have_subvars): Move ...
1545         * tree-ssa-structalias.c (var_can_have_subvars): ... here.
1546         * tree-flow.h (var_can_have_subvars): Remove.
1547         (push_fields_onto_fieldstack): Remove.
1548         (sort_fieldstack): Likewise.
1549         (struct fieldoff): Move ...
1550         * tree-ssa-structalias.c (struct fieldoff): ... here.  Remove
1551         alias_set and base_for_components fields.
1552         (sort_fieldstack): Make static.
1553         (push_fields_onto_fieldstack): Likewise.  Remove code that
1554         handles anything but RECORD_TYPEs.  Remove alias_set and
1555         base_for_components handling.
1556         (create_variable_info_for): Adjust.
1557
1558 2008-05-08  Seongbae Park  <seongbae.park@gmail.com>
1559
1560         * common.opt (Wframe-larger-than=): Shorten the help message
1561         to one line.
1562         * doc/invoke.texi (Wframe-larger-than=): Add more description.
1563
1564 2008-05-08  Rafael Espindola  <espindola@google.com>
1565
1566         * tree-complex.c (expand_complex_div_wide): Don't create CONDs that
1567         trap.
1568         * tree-gimple.c (is_gimple_condexpr): Check that the expression doesn't
1569         trap and that both operands are gimple values.
1570         (canonicalize_cond_expr_cond): Use is_gimple_condexpr.
1571         * gcc/tree-eh.c (tree_could_trap_p): Correctly detect if a comparison
1572         is a fp operation.
1573
1574 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
1575
1576         * read-rtl.c (join_c_conditions): Return the first string if the
1577         two strings are equal.
1578
1579 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
1580
1581         * gensupport.h (pred_data): Add a "num_codes" field.
1582         (add_predicate_code): Declare.
1583         * gensupport.c (add_predicate_code): New function.
1584         (std_pred_table): Add an "allows_const_p" field.
1585         (std_preds): Set this field for predicates that allow RTX_CONST_OBJs.
1586         Remove the (incomplete) list of such codes from the codes field.
1587         (init_predicate_table): Use add_predicate_code.  Add all
1588         RTX_CONST_OBJs if allows_const_p is true.
1589         * genrecog.c (process_define_predicate): Use add_predicate_code.
1590
1591 2008-05-08  David Daney  <ddaney@avtrex.com>
1592             Richard Sandiford  <rsandifo@nildram.co.uk>
1593
1594         * config/mips/mips.md (mips_expand_compare_and_swap_12): Handle
1595         special case of constant zero operands.
1596         * config/mips/mips.c (mips_expand_compare_and_swap_12): Zero extend
1597         old and new values.  Special case constant zero values.
1598         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Skip 'sync' if compare
1599         fails.
1600         (MIPS_COMPARE_AND_SWAP_12): Handle constant zero operands.
1601         (MIPS_COMPARE_AND_SWAP_12_0): New macro.
1602
1603 2008-05-08  Paolo Bonzini  <bonzini@gnu.org>
1604
1605         PR target/36090
1606         * simplify-rtx.c (simplify_plus_minus): Create CONST of
1607         similar RTX_CONST_OBJ before CONST_INT.
1608
1609 2008-05-08  Steve Ellcey  <sje@cup.hp.com>
1610
1611         * stmt.c (expand_stack_restore): Change sa mode if needed.
1612
1613 2008-05-08  Richard Guenther  <rguenther@suse.de>
1614
1615         * config/i386/i386-protos.h (ix86_return_in_memory): Adjust
1616         return type to bool.
1617         (ix86_sol10_return_in_memory): Likewise.
1618         (ix86_i386elf_return_in_memory): Likewise.
1619         (ix86_i386interix_return_in_memory): Likewise.
1620         * config/i386/i386.c (ix86_return_in_memory): Likewise.
1621         (ix86_sol10_return_in_memory): Likewise.
1622         (ix86_i386elf_return_in_memory): Likewise.
1623         (ix86_i386interix_return_in_memory): Likewise.
1624
1625 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
1626
1627         PR bootstrap/36180
1628         * calls.c (compute_argument_block_size ): Add ATTRIBUTE_UNUSED to
1629         fndecl argument.
1630         (emit_library_call_value_1): Add ATTRIBUTE_UNUSED to variable fndecl.
1631         * target-def.h: Check that TARGET_RETURN_IN_MEMORY isn't
1632         declared in front.
1633
1634 2008-05-08  Richard Guenther  <rguenther@suse.de>
1635
1636         * tree-data-ref.c (dr_analyze_alias): Do not set DR_SUBVARS.
1637         * tree-data-ref.h (struct dr_alias): Remove subvars field.
1638         (DR_SUBVARS): Remove.
1639         * tree-dfa.c (dump_subvars_for): Remove.
1640         (debug_subvars_for): Likewise.
1641         (dump_variable): Do not dump subvars.
1642         (remove_referenced_var): Do not remove subvars.
1643         * tree-flow-inline.h (clear_call_clobbered): SFTs no longer exist.
1644         (lookup_subvars_for_var): Remove.
1645         (get_subvars_for_var): Likewise.
1646         (get_subvars_at): Likewise.
1647         (get_first_overlapping_subvar): Likewise.
1648         (overlap_subvar): Likewise.
1649         * tree-flow.h (subvar_t): Remove.
1650         (struct var_ann_d): Remove subvars field.
1651         * tree-ssa-alias.c (mark_aliases_call_clobbered): Remove queued
1652         argument.  Remove special handling of SFTs.
1653         (compute_tag_properties): Likewise.
1654         (set_initial_properties): Likewise.
1655         (compute_call_clobbered): Likewise.
1656         (count_mem_refs): Likewise.
1657         (compute_memory_partitions): Likewise.
1658         (compute_flow_insensitive_aliasing): Likewise.
1659         (setup_pointers_and_addressables): Likewise.
1660         (new_type_alias): Likewise.
1661         (struct used_part): Remove.
1662         (used_portions): Likewise.
1663         (struct used_part_map): Likewise.
1664         (used_part_map_eq): Likewise.
1665         (used_part_map_hash): Likewise.
1666         (free_used_part_map): Likewise.
1667         (up_lookup): Likewise.
1668         (up_insert): Likewise.
1669         (get_or_create_used_part_for): Likewise.
1670         (create_sft): Likewise.
1671         (create_overlap_variables_for): Likewise.
1672         (find_used_portions): Likewise.
1673         (create_structure_vars): Likewise.
1674         * tree.def (STRUCT_FIELD_TAG): Remove.
1675         * tree.h (MTAG_P): Adjust.
1676         (struct tree_memory_tag): Remove base_for_components and
1677         unpartitionable flags.
1678         (struct tree_struct_field_tag): Remove.
1679         (SFT_PARENT_VAR): Likewise.
1680         (SFT_OFFSET): Likewise.
1681         (SFT_SIZE): Likewise.
1682         (SFT_NONADDRESSABLE_P): Likewise.
1683         (SFT_ALIAS_SET): Likewise.
1684         (SFT_UNPARTITIONABLE_P): Likewise.
1685         (SFT_BASE_FOR_COMPONENTS_P): Likewise.
1686         (union tree_node): Remove sft field.
1687         * alias.c (get_alias_set): Remove special handling of SFTs.
1688         * print-tree.c (print_node): Remove handling of SFTs.
1689         * tree-dump.c (dequeue_and_dump): Likewise.
1690         * tree-into-ssa.c (mark_sym_for_renaming): Likewise.
1691         * tree-nrv.c (dest_safe_for_nrv_p): Remove special handling of SFTs.
1692         * tree-predcom.c (set_alias_info): Do not set subvars.
1693         * tree-pretty-print.c (dump_generic_node): Do not handle SFTs.
1694         * tree-ssa-loop-ivopts.c (get_ref_tag): Likewise.
1695         * tree-ssa-operands.c (access_can_touch_variable): Likewise.
1696         (add_vars_for_offset): Remove.
1697         (add_virtual_operand): Remove special handling of SFTs.
1698         (add_call_clobber_ops): Likewise.
1699         (add_call_read_ops): Likewise.
1700         (get_asm_expr_operands): Likewise.
1701         (get_modify_stmt_operands): Likewise.
1702         (get_expr_operands): Likewise.
1703         (add_to_addressable_set): Likewise.
1704         * tree-ssa.c (verify_ssa_name): Do not handle SFTs.
1705         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
1706         * tree-vect-transform.c (vect_create_data_ref_ptr): Do not set subvars.
1707         * tree.c (init_ttree): Remove STRUCT_FIELD_TAG initialization.
1708         (tree_code_size): Remove STRUCT_FIELD_TAG handling.
1709         (tree_node_structure): Likewise.
1710         * tree-ssa-structalias.c (set_uids_in_ptset): Remove special
1711         handling of SFTs.
1712         (find_what_p_points_to): Likewise.
1713
1714 2008-05-08  Sa Liu  <saliu@de.ibm.com>
1715
1716         * config/spu/spu.md: Fixed subti3 pattern.
1717
1718 2008-05-08  Richard Guenther  <rguenther@suse.de>
1719
1720         PR middle-end/36154
1721         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
1722         sure to create a representative for trailing arrays for PTA.
1723
1724 2008-05-08  Richard Guenther  <rguenther@suse.de>
1725
1726         PR middle-end/36172
1727         * fold-const.c (operand_equal_p): Two objects which types
1728         differ in pointerness are not equal.
1729
1730 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
1731
1732         * calls.c (compute_argument_block_size): Add argument tree fndecl.
1733         (OUTGOING_REG_PARM_STACK_SPACE): Add function type argument.
1734         (emit_library_call_value_1): Add new variable fndecl initialized by
1735         NULL_TREE. It should be the decl type of orgfun, but this information
1736         seems not to be available here, so it uses the default calling abi.
1737         * config/arm/arm.c (arm_return_in_memory): Add fntype argumen.
1738         * config/arm/arm.h (RETURN_IN_MEMORY): Replace RETURN_IN_MEMORY
1739         by TARGET_RETURN_IN_MEMORY.
1740         * config/i386/i386-interix.h: Likewise.
1741         * config/i386/i386.h: Likewise.
1742         * config/i386/i386elf.h: Likewise.
1743         * config/i386/ptx4-i.h: Likewise.
1744         * config/i386/sol2-10.h: Likewise.
1745         * config/i386/sysv4.h: Likewise.
1746         * config/i386/vx-common.h: Likewise.
1747         * config/cris/cris.h: Removed #if 0 clause.
1748         * config/arm/arm-protos.h (arm_return_in_memory): Add fntype argument.
1749         * config/i386/i386-protos.h (ix86_return_in_memory): Add fntype
1750         argument.
1751         (ix86_sol10_return_in_memory): Likewise.
1752         (ix86_i386elf_return_in_memory): New.
1753         (ix86_i386interix_return_in_memory): New.
1754         * config/mt/mt-protos.h (mt_return_in_memory): New.
1755         * config/mt/mt.c: Likewise.
1756         * config/mt/mt.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
1757         (RETURN_IN_MEMORY):  Replace by TARGET_RETURN_IN_MEMORY.
1758         * config/bfin/bfin.h: Likewise.
1759         * config/bfin/bfin-protos.h (bfin_return_in_memory): Add fntype
1760         argument.
1761         * config/bfin/bfin.c: Likewise.
1762         * config/pa/pa.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
1763         * config/alpha/unicosmk.h: Likewise.
1764         * config/i386/cygming.h: Likewise.
1765         * config/iq2000/iq2000.h: Likewise.
1766         * config/mips/mips.h: Likewise.
1767         * config/mn10300/mn10300.h: Likewise.
1768         * config/rs6000/rs6000.h: Likewise.
1769         * config/score/score.h: Likewise.
1770         * config/spu/spu.h: Likewise.
1771         * config/v850/v850.h: Likewise.
1772         * defaults.h: Likewise.
1773         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Adjust documentation.
1774         * expr.c (emit_block_move): Adjust use of
1775         OUTGOING_REG_PARM_STACK_SPACE.
1776         * function.c (STACK_DYNAMIC_OFFSET): Adjust use of
1777         OUTGOING_REG_PARM_STACK_SPACE.
1778         * targhooks.c (default_return_in_memory): Remove RETURN_IN_MEMORY.
1779
1780 2008-05-08  Jakub Jelinek  <jakub@redhat.com>
1781
1782         * tree-parloops.c (create_parallel_loop): Set OMP_RETURN_NOWAIT
1783         on OMP_RETURN for OMP_FOR.
1784
1785         PR debug/35896
1786         * dwarf2out.c (dw_expand_expr, common_check): Removed.
1787         (fortran_common): New function.
1788         (gen_variable_die): Call fortran_common instead of common_check,
1789         adjust for it returning tree instead of rtx.  Formatting.
1790
1791 2008-05-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
1792
1793         PR rtl/7335
1794         PR rtl/33826
1795         * see.c (see_copy_insn): Copy new pure const attributes for new call.
1796         * c-decl.c (merge_decls): Ditto.
1797         * postreload.c (record_opr_changes): Change CONST_OR_PURE_CALL_P
1798         to RTL_CONST_OR_PURE_CALL_P.
1799         * tree.c (define_local_buitin): Rename DECL_IS_PURE to DECL_PURE_P.
1800         Initialized DECL_LOOPING_CONST_PURE.
1801         (process_call_operands): Set tree_side_effects properly.
1802         * tree.h (TREE_READONLY_DECL_P): Removed.
1803         (DECL_IS_PURE): Renamed to DECL_PURE_P.
1804         (DECL_LOOPING_OR_CONST_P): New macro.
1805         (struct tree_function_decl): Added looping_const_or_pure_p.
1806         (ECF_*) Renumbered.
1807         (ECF_LOOPING_OR_CONST_P): New macro.
1808         * rtlanal.c (pure_const_p): Removed.
1809         * builtins.c (expand_builtin): Rename DECL_IS_PURE to DECL_PURE_P.
1810         * reorg.c (delete_prior_computation) Changed CONST_OR_PURE_CALL_P
1811         to RTL_CONST_CALL_P.
1812         * ipa-pure-const.c (pure_const_state_e): Added looping field.
1813         (check_decl, check_tree, check_call, scan_function): Initialize
1814         looping.
1815         (analyze_function): Rename DECL_IS_PURE to DECL_PURE_P.
1816         (static_execute): Set looping true for recursive functions.
1817         Undo setting state to IPA_NEITHER for recursive functions.
1818         * cse.c (cse_insn):
1819         * ifcvt.c (noce_can_store_speculate_p): Changed
1820         CONST_OR_PURE_CALL_P and pure_call_p to RTL_CONST_CALL_P or
1821         RTL_CONST_OR_PURE_CALL_P.
1822         * dse.c (scan_insn): Ditto.
1823         * local-alloc.c (validate_equiv_mem, memref_used_between_p): Ditto.
1824         * gcse.c (oprs_not_seen_p) Changed CONST_OR_PURE_CALL_P to
1825         RTL_CONST_OR_PURE_CALL_P.
1826         (store_killed_in_insn): Changed CONST_OR_PURE_CALL_P and
1827         pure_call_p to RTL_CONST_CALL_P.
1828         * gimplify.c (gimplify_call_expr): Clear side effects for
1829         non-looping pure and constant calls.
1830         * calls.c (emit_call_1): Set rtl flags from ecf flags.
1831         (flags_from_decl_or_type): Set ecf flags from decl flags.
1832         (initialize_argument_information): Turn off
1833         ECF_LOOPING_CONST_OR_PURE when turning off ECF_CONST.
1834         Change const to pure if callee_copies is true rather than just
1835         turning off const.
1836         (expand_call): Turn off ECF_LOOPING_PURE_CONST_CALL and remove old
1837         way of marking pure calls.
1838         (emit_library_call_value_1): Turn off ECF_LOOPING_PURE_CONST_CALL.
1839         Remove hack that was supposed to fix pr7335 and remove old
1840         way of marking pure calls.
1841         * emit-rtl.c (emit_copy_of_insn_after): Copy RTL_CONST_CALL_P,
1842         RTL_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P.
1843         * cselib.c (cselib_process_insn): Changed CONST_OR_PURE_CALL_P to
1844         RTL_CONST_OR_PURE_CALL_P.
1845         * tree-ssa-pre.c (can_value_number_call): Fixed spacing.
1846         * loop-invariant.c (find_exits, find_invariant_bb): Changed
1847         CONST_OR_PURE_CALL_P to RTL_CONST_OR_PURE_CALL_P.
1848         * sched-deps.c (schedule_analyze): Ditto.
1849         * rtl.h (struct rtx_def): Use call field, unchanging field, and
1850         return_val field of calls to represent pure and const function info.
1851         (CONST_OR_PURE_CALL_P): Deleted macro.
1852         (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
1853         RTL_LOOPING_CONST_OR_PURE_CALL_P, RTL_CONST_OR_PURE_P): New macros.
1854         * tree-inline.c (copy_body_r): Changed TREE_READONLY_DECL_P to
1855         TREE_READONLY.
1856         * tree-optimize.c (execute_fixup_cfg): Added test for
1857         ECF_LOOPING_CONST_OR_PURE.
1858         * c-common.c (handle_pure_attribute): Changed DECL_IS_PURE to
1859         DECL_PURE_P.
1860         * tree-cfg.c (update_call_expr_flags): Do not clear tree side
1861         effects for looping pure or const calls.
1862         (verify_gimple_expr): Added verification code.
1863         * config/alpha/alpha.c (alpha_legitimize_address,
1864         alpha_emit_xfloating_libcall): Changed CONST_OR_PURE_CALL_P to
1865         RTL_CONST_CALL_P.
1866         * config/s390/s390.c (s390_emit_tls_call_insn): Ditto.
1867         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Ditto.
1868         * config/mips/mips.c (mips_call_tls_get_addr): Ditto.
1869         * cfgrtl.c (need_fake_edge_p): Changed CONST_OR_PURE_CALL_P to
1870         RTL_CONST_OR_PURE_CALL_P.
1871         * dce.c (deletable_insn_p): Allow non looping, non sibling, pure
1872         and const calls to be deleted.
1873
1874 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
1875
1876         PR target/35714
1877         * config/i386/mmx.md (mmx_subv2sf3): New expander.
1878         (*mmx_subv2sf3): Rename from mmx_subv2sf3 insn pattern.
1879         (*mmx_eqv2sf3): Rename from mmx_eqv2sf3 insn pattern.
1880         (mmx_eqv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
1881         to handle nonimmediate operands.
1882         (*mmx_paddwd): Rename from mmx_paddwd insn pattern.
1883         (mmx_paddwd): New expander.  Use ix86_fixup_binary_operands_no_copy
1884         to handle nonimmediate operands.
1885         (*mmx_pmulhrwv4hi3): Rename from mmx_pmulhrwv4hi3 insn pattern.
1886         (mmx_pmulhrwv4hi3): New expander.  Use
1887         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1888         (*sse2_umulv1siv1di3): Rename from sse2_umulv1siv1di3 insn pattern.
1889         (sse2_umulv1siv1di3): New expander.  Use
1890         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1891         (*mmx_eq<mode>3): Rename from mmx_eq<mode>3 insn pattern.
1892         (mmx_eq<mode>3): New expander.  Use
1893         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1894         (*mmx_uavgv8qi3): Rename from mmx_uavgv8qi3 insn pattern.
1895         (mmx_uavgv8qi3): New expander.  Use
1896         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1897         (*mmx_uavgv4hi3): Rename from mmx_uavgv4hi3 insn pattern.
1898         (mmx_uavgv4hi3): New expander.  Use
1899         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1900
1901         * config/i386/sse.md
1902         (sse_movhlps_exp): New expander.  Use ix86_fixup_binary_operands
1903         to handle nonimmediate operands.
1904         (sse_movlhps_exp): New expander.  Use ix86_fixup_binary_operands
1905         to handle nonimmediate operands.
1906         (sse_loadhps_exp): New expander.  Use ix86_fixup_binary_operands
1907         to handle nonimmediate operands.
1908         (sse_loadlps_exp): New expander.  Use ix86_fixup_binary_operands
1909         to handle nonimmediate operands.
1910         (sse2_unpckhpd_exp): New expander.  Use
1911         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1912         (sse2_unpcklpd_exp): New expander.  Use
1913         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1914         (sse_loadhpd_exp): New expander.  Use ix86_fixup_binary_operands
1915         to handle nonimmediate operands.
1916         (sse_loadlpd): New expander.  Use ix86_fixup_binary_operands
1917         to handle nonimmediate operands.
1918         (*sse2_<plusminus_insn><mode>3): Rename from
1919         sse2_<plusminus_insn><mode>3 insn pattern.
1920         (sse2_<plusminus_insn><mode>3): New expander.  Use
1921         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1922         (*sse2_umulv2siv2di3): Rename from sse2_umulv2siv2di3 insn pattern.
1923         (sse2_umulv2siv2di3): New expander.  Use
1924         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1925         (*sse4_1_mulv2siv2di3): Rename from sse4_1_mulv2siv2di3 insn pattern.
1926         (sse4_1_mulv2siv2di3): New expander.  Use
1927         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1928         (*sse2_pmaddwd): Rename from sse2_pmaddwd insn pattern.
1929         (sse2_pmaddwd): New expander.  Use
1930         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1931         (*sse2_eq<mode>3): Rename from sse2_eq<mode>3 insn pattern.
1932         (sse2_eq<mode>3): New expander.  Use
1933         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1934         (*sse4_1_eqv2di3): Rename from sse4_1_eqv2di3 insn pattern.
1935         (sse4_1_eqv2di3): New expander.  Use
1936         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1937         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
1938         (sse2_uavgv16qi3): New expander.  Use
1939         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1940         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
1941         (sse2_uavgv16qi3): New expander.  Use
1942         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1943         (*sse2_uavgv8hi3): Rename from sse2_uavgv8hi3 insn pattern.
1944         (sse2_uavgv8hi3): New expander.  Use
1945         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1946         (*ssse3_pmulhrswv8hi3): Rename from ssse3_pmulhrswv8hi3 insn pattern.
1947         (ssse3_pmulhrswv8hi3): New expander.  Use
1948         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1949         (*ssse3_pmulhrswv4hi3): Rename from ssse3_pmulhrswv4hi3 insn pattern.
1950         (ssse3_pmulhrswv4hi3): New expander.  Use
1951         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1952
1953         (<sse>_vm<plusminus_insn><mode>3): Do not use ix86_binary_operator_ok.
1954         (<sse>_vmmul<mode>3): Ditto.
1955         (divv4sf3): Do not use ix86_fixup_binary_operands_no_copy.
1956         (divv2df3): Ditto.
1957         (ssse3_pmaddubsw128): Use register_operand for operand 1.
1958         (ssse3_pmaddubsw): Ditto.
1959
1960         * config/i386/i386.c (struct_builtin_description)
1961         [IX86_BUILTIN_LOADHPS]: Use CODE_FOR_sse_loadhps_exp.
1962         [IX86_BUILTIN_STOREHPS]: Use CODE_FOR_sse_loadlps_exp.
1963         [IX86_BUILTIN_LOADHPD]: Use CODE_FOR_sse2_loadhpd_exp.
1964         [IX86_BUILTIN_LOADLPD]: Use CODE_FOR_sse2_loadlpd_exp.
1965         [IX86_BUILTIN_MOVHLPS]: Use CODE_FOR_sse_movhlps_exp.
1966         [IX86_BUILTIN_MOVLHPS]: Use CODE_FOR_sse_movlhps_exp.
1967         [IX86_BUILTIN_UNPCKHPD]: Use FOR_sse2_unpckhpd_exp.
1968         [IX86_BUILTIN_UNPCKLPD]: Use FOR_sse2_unpcklpd_exp.
1969         (ix86_fixup_binary_operands): Assert that src1
1970         and src2 must have the same mode when swapped.
1971         (ix86_expand_binop_builtin): Do not use ix86_fixup_binary_operands
1972         and ix86_binary_operator_ok.  Do not force operands in registers
1973         when optimizing.
1974
1975 2008-05-07  Jan Hubicka  <jh@suse.cz>
1976
1977         * cgraph.c (dump_cgraph_node): Update.
1978         * cgraph.h (cgraph_local_info): Break out inline summary.
1979         * cgraphunit.c (cgraph_process_new_functions): Use inliner analysis
1980         hook.
1981         * ipa-inline (inline_summary): New accestor function.
1982         (cgraph_clone_inlined_nodes, cgraph_check_inline_limits,
1983         cgraph_decide_inlining, compute_inline_parameters): Update.
1984         * ipa.c (cgraph_remove_unreachable_nodes): Remove statistics.
1985
1986 2008-05-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
1987
1988         Cleanup ColdFire scheduling support and add V4 pipeline model.
1989
1990         * config/m68k/m68k.md (UNSPEC_TIE): New constant.
1991         (define_attr cpu): Add cfv4 value.
1992         (define_attr type, define_attr type1): Merge into a single 'type'
1993         attribute.  Update all uses.
1994         (define_attr opx_type, define_attr opy_type, define_attr opx_access):
1995         Rearrange and update.  Rename value 'reg' to 'Rn', add value 'FPn'.
1996         Update all uses.
1997         (define_attr opx_mem, define_attr opy_mem): Remove.
1998         (define_attr op_mem): Clean up, update comment.
1999         (define_attr size): Use specific values instead of general int.
2000         (define_attr guess, define_attr split): Remove.  Update all uses.
2001         (movdf_internal, tstsi_internal, tsthi_internal, tstqi_internal,
2002         tst<mode>_68881, pushexthisi_const, movsi_const0_68000_10,
2003         movsi_const0_68040_60, movsi_const0, movsi_cf, movstrictqi_cf,
2004         zero_extendhisi2_cf, zero_extendqisi2_cfv4, cfv4_extendhisi2,
2005         68k_extendhisi2, extendqihi2, cfv4_extendqisi2, 68k_extendqisi2,
2006         floatsi<mode>2_68881, ftrunc<mode>2_68881, ftrunc<mode>2_cf,
2007         fix<mode>qi2_68881, fix<mode>hi2_68881, fix<mode>si2_68881,
2008         adddi_dishl32, addsi3_5200, add<mode>3_floatsi_68881,
2009         add<mode>3_floathi_68881, add<mode>3_floatqi_68881,
2010         add<mode>3_68881, add<mode>3_cf, subdi_dishl32, subsi3,
2011         sub<mode>3_floatsi_68881, sub<mode>3_floathi_68881,
2012         sub<mode>3_floatqi_68881, sub<mode>3_68881, sub<mode>3_cf,
2013         mulhi3, mulhisi3, mulhisisi3_s, mulsi3_68020, mulsi3_cf,
2014         umulhisi3, mulhisisi3_z, mul<mode>3_floatsi_68881,
2015         mul<mode>3_floathi_68881, mul<mode>3_floatqi_68881, fmul<mode>3_cf,
2016         div<mode>3_cf, sqrt<mode>2_cf, abs<mode>2_cf, clzsi2,
2017         one_cmplsi2_5200, subreghi1ashrdi_const32, ashrsi3, lshrsi3,
2018         bsetmemqi, bsetmemqi_ext, bclrmemqi, bclrmemqi_ext,
2019         beq, bne, bgt, blt, bordered, bunordered, buneq, bunge, bungt, bunle,
2020         bunlt, bltgt, tablejump_internal, call, non_symbolic_call_value,
2021         symbolic_call_value_jsr, symbolic_call_value_bsr, link):
2022         Update or set attributes.
2023         (stack_tie): New fake instruction.
2024
2025         * config/m68k/m68k.h (TUNE_CFV4): New macro.
2026         (m68k_sched_attr_size): Update declaration.
2027         (m68k_sched_attr_type2): Remove.
2028         (m68k_sched_address_bypass_p, m68k_sched_indexed_address_bypass_p):
2029         Declare new bypass predicates.
2030
2031         * config/m68k/m68k.c (m68k_sched_issue_rate,
2032         m68k_sched_first_cycle_multipass_dfa_lookahead): Declare hook
2033         implementations.
2034         (TARGET_SCHED_ISSUE_RATE,
2035         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Override hooks.
2036         (override_options): Handle scheduling for ColdFire V4 core.
2037         (m68k_expand_prologue): Emit stack_tie.
2038         (enum attr_op_type): Split value 'OP_TYPE_REG' to 'OP_TYPE_RN' and
2039         'OP_TYPE_FPN'.  Update all uses.
2040         (sched_guess_p): Remove.
2041         (sched_address_type): Handle symbolic addresses.
2042         (sched_get_operand): New static function.
2043         (sched_operand_type): Merge into sched_attr_op_type.
2044         (sched_attr_op_type): Handle FP registers, handle quick constants,
2045         update.
2046         (m68k_sched_attr_opx_type, m68k_sched_attr_opy_type): Update.
2047         (m68k_sched_attr_size): Update.  Move logic to ...
2048         (sched_get_attr_size_int): New static function.
2049         (sched_get_opxy_mem_type): New static function.
2050         (m68k_sched_attr_op_mem): Update.
2051         (m68k_sched_attr_type2): Remove.
2052         (sched_cfv4_bypass_data): New static variable.
2053         (m68k_sched_adjust_cost): Handle ColdFire V4 bypass.
2054         (m68k_sched_issue_rate): Implement scheduler hook.
2055         (struct _sched_ib: enabled_p): New field.
2056         (m68k_sched_variable_issue): Update.  Handle V4.
2057         (SCHED_DUMP_TODO, SCHED_DUMP_DONE, SCHED_DUMP_NOTHING,
2058         sched_dump_class_func_t, sched_dump_split_class,
2059         sched_dump_dfa_guess_unit_code, sched_dump_dfa_state,
2060         sched_dump_dfa_class, m68k_sched_dump): Remove.
2061         (m68k_sched_first_cycle_multipass_dfa_lookahead): Implement scheduler
2062         hook.
2063         (m68k_sched_init_global): Remove statisctics dumping, introduce
2064         sanity check that all instructions have pipeline reservations.  Handle
2065         ColdFire V4 core.
2066         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
2067         Handle ColdFire V4 core.
2068         (sched_mem_operand_p, sched_get_reg_operand, sched_get_mem_operand):
2069         New static functions.
2070         (m68k_sched_address_bypass_p): New bypass predicate.
2071         (sched_get_indexed_address_scale): New static function.
2072         (m68k_sched_indexed_address_bypass_p): New bypass predicate.
2073
2074         * cf.md: Update comments.
2075         (define_attr type2): Remove.  Use 'type' attribute instead.
2076         Update all uses.
2077         (cf_ib): Rename to cfv123_ib.  Update all uses.
2078         (cf_oep): Rename to cfv123_oep.  Update all uses.
2079         (cf_chr): Rename to cfv123_chr.  Update all uses.
2080         (cf_mem): Rename to cfv123_mem.  Update all uses.
2081         (cf_mac): Move to more appropriate place.
2082         (cfv123_guess): New automaton and cpu_unit.
2083         (cfv123_*, cfv12_*, cfv1_*, cfv2_*, cfv3_*): Use type attribute.
2084         Update uses of 'size' attribute.  Handle before reload scheduling.
2085         (cfv123_guess): New dummy reservation for unhandled instructions.
2086         (cfv4_*): Pipeline description of ColdFire V4 core.
2087         (ignore): New reservation to handle 'ignore' type.
2088
2089 2008-05-07  Ian Lance Taylor  <iant@google.com>
2090
2091         PR middle-end/36013
2092         * gimplify.c (find_single_pointer_decl_1): Don't look through
2093         indirections.
2094         (find_single_pointer_decl): Adjust comments.
2095
2096 2008-05-07  Jakub Jelinek  <jakub@redhat.com>
2097
2098         PR middle-end/36137
2099         * fold-const.c (fold_binary): Use STRIP_SIGN_NOPS instead of
2100         STRIP_NOPS on arguments even for MIN_EXPR and MAX_EXPR.
2101
2102         PR middle-end/36106
2103         * omp-low.c (expand_omp_atomic_pipeline): Load value using the
2104         integral type rather than floating point, then VIEW_CONVERT_EXPR
2105         to the floating point type.
2106
2107 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
2108
2109         * config/i386/i386.c (ix86_expand_copysign): Force non-zero constant
2110         TFmode op0 to register.
2111
2112 2008-05-07  Alan Modra  <amodra@bigpond.net.au>
2113
2114         * c-decl.c (grokdeclarator): Comment typo.
2115
2116 2008-05-06  Aldy Hernandez  <aldyh@redhat.com>
2117
2118         * tree-flow.h: Remove prototype for computed_goto_p.
2119         * tree-cfg.c (computed_goto_p): Make static.
2120
2121 2008-05-06  H.J. Lu  <hongjiu.lu@intel.com>
2122
2123         PR target/35657
2124         * config/i386/i386.c (contains_128bit_aligned_vector_p): Renamed to ...
2125         (contains_aligned_value_p): This.  Handle _Decimal128.
2126         (ix86_function_arg_boundary): Only align _Decimal128 to its
2127         natural boundary and handle it properly.
2128
2129 2008-05-06  Martin Jambor  <mjambor@suse.cz>
2130
2131         * ipa-cp.c (ipcp_method_orig_node): Renamed to ipcp_get_orig_node.
2132         (ipcp_method_is_cloned): Renamed to ipcp_node_is_clone
2133         (ipcp_method_set_orig_node): Removed.
2134         (ipcp_cval_get_cvalue_type): Removed.
2135         (ipcp_method_get_scale): Renamed to ipcp_get_node_scale.
2136         (ipcp_method_set_scale): Renamed to ipcp_set_node_scale.
2137         (ipcp_cval_set_cvalue_type): Removed.
2138         (ipcp_cval_get_cvalue): Removed.
2139         (ipcp_cval_set_cvalue): Removed.
2140         (ipcp_type_is_const): Renamed to ipcp_lat_is_const.
2141         (ipcp_cval_equal_cvalues): Renamed to ipcp_lats_are_equal
2142         (ipcp_lats_are_equal): Changed parameters to two ipcp_lattice's
2143         (ipcp_cval_meet): Renamed to ipa_lattice_meet
2144         (ipcp_cval_changed): Changed to use ipcp_lat_is_const
2145         (ipcp_method_cval): Renamed to ipcp_get_ith_lattice
2146         (ipcp_get_ith_lattice): Changed parameters.
2147         (ipcp_cval_compute): Renamed to ipcp_lattice_from_jfunc
2148         (ipcp_lattice_from_jfunc): Changed parameters.
2149         (ipcp_redirect): Local lattice pointer instead of lattice type variable.
2150         (ipcp_method_cval_print): Added temporary variable info.
2151         (ipcp_redirect): Removed already unused local variable caller.
2152         (ipcp_redirect): New temporary variable orig_callee_info
2153         (ipcp_redirect): Removed newly unused local variable callee.
2154         (ipcp_redirect): Removed (a bit confusing) local variable type.
2155         (ipcp_insert_stage): Added local variable info.
2156         (ipcp_cval_changed): Renamed to ipcp_lattice_changed, parameters
2157         renamed too
2158         (ipcp_formal_create): Removed.
2159         (ipcp_method_cval_set): Removed.
2160         (ipcp_propagate_stage): Renamed lattice variables.
2161         (ipcp_method_cval_set_cvalue_type): Removed.
2162         (ipcp_method_cval_print): Renamed to ipcp_print_all_lattices
2163         (ipcp_print_all_lattices): Changed printed strings to refer to
2164         lattices rather than cvals.
2165         (ipcp_method_cval_init): Renamed to ipcp_initialize_node_lattices
2166         (ipcp_propagate_const): Changed formal parameters.
2167         (build_const_val): Changed formal parameters.
2168         (ipcp_insert_stage): Removed useless variable cvalue
2169         (build_const_val): Changed formal parameters.
2170         (ipcp_method_compute_scale): Renamed to ipcp_compute_node_scale
2171         (ipcp_after_propagate): Renamed to ipcp_change_tops_to_bottom
2172         (ipcp_callsite_param_print): Renamed to ipcp_print_all_jump_functions
2173         (ipcp_profile_mt_count_print): Renamed to ipcp_print_func_profile_counts
2174         (ipcp_print_func_profile_counts): Changed string from "method" to
2175         "function"
2176         (ipcp_profile_cs_count_print): Renamed to ipcp_print_call_profile_counts
2177         (ipcp_profile_edge_print): Renamed to ipcp_print_edge_profiles
2178         (ipcp_profile_bb_print): Renamed to ipcp_print_bb_profiles
2179         (ipcp_structures_print): Renamed to ipcp_print_all_structures
2180         (ipcp_profile_print): Renamed to ipcp_print_profile_data
2181         (ipcp_lat_is_const): Changed parameters and made inline.
2182         (ipcp_replace_map_create): Renamed to ipcp_create_replace_map
2183         (ipcp_redirect): Renamed to ipcp_need_redirect_p
2184         (ipcp_need_redirect_p): Calls ipcp_lat_is_const instead of using
2185         the predicate condition directly
2186         (ipcp_propagate_stage): Added local variable args. Removed local
2187         variable callee.  (Both are mere code simplifications.)
2188         (ipcp_method_dont_insert_const): Renamed to
2189         ipcp_node_not_modifiable_p.
2190         (ipcp_node_not_modifiable_p): Made inline.
2191         (ipcp_cloned_create): Renamed to ipcp_init_cloned_node
2192         (ipcp_propagate_const): Renamed to ipcp_propagate_one_const
2193         (ipcp_print_all_lattices): Removed variable cvalue
2194         (ipcp_method_scale_print): Renamed to ipcp_function_scale_print
2195         Updated comments.
2196
2197 2008-05-06  Olivier Hainque  <hainque@adacore.com>
2198
2199         * tree-sra.c (try_instantiate_multiple_fields): Early return
2200         if field has POINTER_TYPE.
2201
2202 2008-05-06  Kai Tietz  <kai.tietz@onevision.com>
2203
2204         * config/i386/i386.c (output_set_got): Fix for x86_64 output_emit_asm
2205         by using 'q' specifier for instruction.
2206         (ix86_file_end): Replaced case TARGET_64BIT_MS_ABI by TARGET_64BIT.
2207
2208 2008-05-06  Anatoly Sokolov <aesok@post.ru>
2209
2210         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
2211         Change mode of zero_extract from QImode to HImode.
2212         (sign bit tests peepholes): (Ditto.).
2213
2214 2008-05-06  Uros Bizjak  <ubizjak@gmail.com>
2215
2216         * config/i386/mmx.md: Remove double backslashes from asm templates.
2217         (*mmx_addv2sf3): Rename from mmx_addv2sf3 insn pattern.
2218         (mmx_addv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
2219         to handle nonimmediate operands.
2220         (*mmx_mulv2sf3): Rename from mmx_mulv2sf3 insn pattern.
2221         (mmx_mulv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
2222         to handle nonimmediate operands.
2223         (*mmx_<code>v2sf3_finite): New insn pattern.
2224         (*mmx_<code>v2sf3): Rename from mmx_<code>v2sf3 insn pattern.
2225         (mmx_<code>v2sf3): New expander.  Use
2226         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2227         (mmx_<plusminus_insn><mode>3): New expander.  Use
2228         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2229         (*mmx_<plusminus_insn><mode>3): New insn pattern.
2230         (mmx_add<mode>3): Removed.
2231         (mmx_ssadd<mode>3): Ditto.
2232         (mmx_usadd<mode>3): Ditto.
2233         (mmx_sub<mode>3): Ditto.
2234         (mmx_sssub<mode>3): Ditto.
2235         (mmx_ussub<mode>3): Ditto.
2236         (*mmx_mulv4hi3): Rename from mmx_mulv4hi3 insn pattern.
2237         (mmx_mulv4hi3): New expander.  Use ix86_fixup_binary_operands_no_copy
2238         to handle nonimmediate operands.
2239         (*mmx_smulv4hi3_highpart): Rename from mmx_smulv4hi3_highpart
2240         insn pattern.
2241         (mmx_smulv4hi3_highpart): New expander.  Use
2242         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2243         (*mmx_umulv4hi3_highpart): Rename from mmx_umulv4hi3_highpart
2244         insn pattern.
2245         (mmx_umulv4hi3_highpart): New expander.  Use
2246         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2247         (*mmx_<code>v4hi3): Rename from mmx_<code>v4hi3 insn pattern.
2248         (mmx_<code>v4hi3): New expander.  Use
2249         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2250         (*mmx_<code>v8qi3): Rename from mmx_<code>v8qi3 insn pattern.
2251         (mmx_<code>v8qi3): New expander.  Use
2252         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2253         (*mmx_<code><mode>3): Rename from mmx_<code><mode>3 insn pattern.
2254         (mmx_<code><mode>3): New expander.  Use
2255         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2256
2257 2008-05-05  Jan Hubicka  <jh@suse.cz>
2258
2259         PR tree-optimization/36118
2260         * passes.c (pass_init_dump_file): Fix dump header.
2261
2262 2008-05-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2263
2264         PR middle-end/36141
2265         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Don't create
2266         VCE for function decls.
2267
2268 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
2269
2270         * config/i386/sse.md (sse2_<plusminus_insn><mode>3): Fix a typo.
2271
2272 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
2273
2274         * config/i386/i386.md (sat_plusminus): New.
2275         (plusminus_insn): Likewise.
2276         (plusminus_mnemonic): Likewise.
2277         (addsub): Removed.
2278         (comm): Add ss_plus, us_plus, ss_minus and us_minus.
2279         (*<addsub><mode>3_cc_overflow): Renamed to ...
2280         (*<plusminus_insn><mode>3_cc_overflow): This.
2281         (*<addsub>si3_zext_cc_overflow): Renamed to ...
2282         (*<plusminus_insn>si3_zext_cc_overflow): This.
2283
2284         * config/i386/sse.md (<addsub><mode>3): Renamed to ...
2285         (<plusminus_insn><mode>3): This.
2286         (*<addsub><mode>3): Renamed to ...
2287         (*<plusminus_insn><mode>3): This.
2288         (<sse>_vm<addsub><mode>3): Renamed to ...
2289         (<sse>_vm<plusminus_insn><mode>3): This.
2290         (sse3_h<addsub>v4sf3): Renamed to ...
2291         (sse3_h<plusminus_insn>v4sf3): This.
2292         (sse3_h<addsub>v2df3): Renamed to ...
2293         (sse3_h<plusminus_insn>v2df3): This.
2294         (<plusminus_insn><mode>3): New.
2295         (*<plusminus_insn><mode>3): Likewise.
2296         (sse2_<plusminus_insn><mode>3): Likewise.
2297         (add<mode>): Removed.
2298         (*add<mode>3): Likewise.
2299         (sse2_ssadd<mode>3): Likewise.
2300         (sse2_usadd<mode>3): Likewise.
2301         (sub<mode>3): Likewise.
2302         (*sub<mode>3): Likewise.
2303         (sse2_sssub<mode>3): Likewise.
2304         (sse2_ussub<mode>3): Likewise.
2305
2306 2008-05-05  Benjamin Kosnik  <bkoz@redhat.com>
2307
2308         * gthr-single.h: Add in required interface elements as per gthr.h.
2309         Add stub types for __gthread_key_t, __gthread_once_t. Add defines
2310         for __GTHREAD_ONCE_INIT, __GTHREAD_RECURSIVE_MUTEX_INIT.
2311         Generalize UNUSED macro.
2312         (__gthread_once): Add.
2313         (__gthread_key_create): Add.
2314         (__gthread_key_delete): Add.
2315         (__gthread_getspecific): Add.
2316         (__gthread_setspecific): Add.
2317
2318 2008-05-05  Andrew Pinski  <Andrew.Pinski@playstation.sony.com>
2319
2320         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): If we have
2321         the same size types for the indirect reference on the rhs, then
2322         create a VCE.
2323
2324 2008-05-05  Uros Bizjak  <ubizjak@gmail.com>
2325
2326         * config/i386/i386.md
2327         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Use only
2328         one insn template instead of template series.
2329         (*xordi_1_rex64): Ditto.
2330         (*xordi_2_rex64): Ditto.
2331
2332 2008-05-05  Ira Rosen  <irar@il.ibm.com>
2333
2334         PR tree-optimization/36119
2335         * tree-vect-transform.c (vectorizable_assignment): Set NCOPIES to 1
2336         in case of SLP.
2337
2338 2008-06-04  Jan Hubicka  <jh@suse.cz>
2339
2340         tree-optimization/36100
2341         * tree-pass.h (pass_O0_always_inline): Declare.
2342         * ipa-inline.c (inline_transform): Remove dead code.
2343         (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
2344         pass_O0_always_inline): New.
2345         * passes.c (init_optimization_passes): Add pass_O0_always_inline.
2346
2347 2008-05-04  Kai Tietz  <kai.tietz@onevision.com>
2348
2349         * config/i386/i386.c (x86_output_mi_thunk): Use movq alternative
2350         mnemonic in this_param move for TARGET_64BIT.
2351
2352 2008-05-04  Uros Bizjak  <ubizjak@gmail.com>
2353
2354         * config/i386/i386.md (*strmovsi_1): Simplify asm alternatives.
2355         (*strmovsi_rex_1): Ditto.
2356         (*strsetsi_1): Ditto.
2357         (*strsetsi_rex_1): Ditto.
2358
2359         (add<mode>cc): Macroize expander from addqicc, addhicc, addsicc and
2360         adddicc expanders using SWI mode iterator.
2361
2362 2008-05-04  H.J. Lu  <hongjiu.lu@intel.com>
2363
2364         PR target/36121
2365         * config/i386/i386.c (ix86_expand_special_args_builtin): Remove three
2366         argument handling.
2367
2368 2008-05-04  David S. Miller  <davem@davemloft.net>
2369
2370         * config.gcc (sparc*-*-*): Always set need_64bit_hwint to yes.
2371         (sparc*-*-linux*): Use linux.h in tm_file.
2372         (sparc-*-linux*): If 'enabled_targets' is 'all', build a bi-arch
2373         compiler defaulting to 32-bit.
2374         (sparc*-*-*): Remove explicit target settings of need_64bit_hwint,
2375         no longer needed.
2376         * config/sparc/linux.h: Remove definitions now obtained
2377         properly from linux.h
2378         * config/sparc/linux64.h: Likewise.
2379         (ASM_CPU_DEFAULT_SPEC): Change this to ASM_CPU64_DEFAULT_SPEC, we
2380         don't want this setting for 32-bit builds in a biarch compiler.
2381         * doc/install.texi: Add sparc-linux to list of targets
2382         supporting --enable-targets=all.
2383
2384 2008-05-03  Andrew Pinski  <pinskia@gmail.com>
2385
2386         * Makefile.in (tree-ssa-phiprop.o): Fix dependencies.
2387
2388 2008-05-03  H.J. Lu  <hongjiu.lu@intel.com>
2389
2390         * config/i386/i386.c (ix86_builtin_type): Move V4SI_FTYPE_V4SF
2391         after V4SI_FTYPE_V8HI.
2392         (ix86_init_mmx_sse_builtins): Move case V4HI_FTYPE_V4HI after
2393         case V4SI_FTYPE_V2DF.
2394
2395 2008-05-03  Kenneth Zadeck  <zadeck@naturalbridge.com>
2396
2397         * doc/invoke.texi (max-flow-memory-locations): Removed.
2398         * params.def (PARAM_MAX_FLOW_MEMORY_LOCATIONS): Removed.
2399
2400 2008-05-03  Richard Guenther  <rguenther@suse.de>
2401
2402         PR middle-end/34973
2403         * opts.c (set_Wstrict_aliasing): Handle the turn-off case.
2404
2405 2008-05-02  David S. Miller  <davem@davemloft.net>
2406
2407         * config.gcc (need_64bit_hwint): Document libcpp dependency.
2408
2409 2008-05-02  Simon Baldwin <simonb@google.com>
2410
2411         PR bootstrap/36108
2412         * c-common.h (warn_array_subscript_range): Removed.
2413         * c-common.c (warn_array_subscript_range): Ditto.
2414         * tree-vrp.c (check_array_ref): Revert to ignoring arrays with size 2.
2415         * c-typeck.c (build_array_ref): Remove warn_array_subscript_range.
2416
2417 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
2418
2419         * config/i386/i386.c (ix86_special_builtin_type): New.
2420         (bdesc_special_args): Likewise.
2421         (ix86_expand_special_args_builtin): Likewise.
2422         (ix86_init_mmx_sse_builtins): Updated.
2423         (ix86_expand_builtin): Updated.
2424         (ix86_expand_store_builtin): Removed.
2425         (ix86_expand_unop_builtin): Likewise.
2426
2427         * config/i386/mm3dnow.h (__v2sf): Moved to ...
2428         * config/i386/mmintrin.h (__v2sf): Here.
2429
2430         * config/i386/xmmintrin.h (_mm_loadh_pi): Replace __v2si with
2431         const __v2sf.
2432         (_mm_loadl_pi): Likewise.
2433         (_mm_storeh_pi): Replace __v2si with __v2sf.
2434         (_mm_storel_pi): Likewise.
2435
2436         * doc/extend.texi: Correct __builtin_ia32_loadhps,
2437         __builtin_ia32_loadlps, __builtin_ia32_storehps,
2438         __builtin_ia32_storelps, __builtin_ia32_loadhpd and
2439         __builtin_ia32_loadlpd.
2440
2441 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
2442
2443         * config/i386/i386.c (ix86_builtin_type): Add FLOAT_FTYPE_FLOAT,
2444         V4SF_FTYPE_V4SF_VEC_MERGE and V2DF_FTYPE_V2DF_VEC_MERGE.
2445         (bdesc_args): Updated.  Add scalar SSE builtins with vec_merge.
2446         (ix86_init_mmx_sse_builtins): Updated.
2447         (ix86_expand_args_builtin): Likewise.
2448         (ix86_expand_builtin): Likewise.
2449         (ix86_expand_unop1_builtin): Renamed to ...
2450         (ix86_expand_unop_vec_merge_builtin): This.
2451
2452 2008-05-01  Jan Hubicka  <jh@suse.cz>
2453
2454         PR bootstrap/36100
2455         * ipa-inline.c (inline_generate_summary): Make static.
2456         (inline_transform): Do not call inlining at -O0; make static.
2457         * passes.c (execute_todo): Add sanity check.
2458         (execute_one_ipa_transform_pass): Execute proper flags.
2459
2460 2008-05-01  Eric Botcazou  <ebotcazou@adacore.com>
2461
2462         * tree.h (TYPE_NONALIASED_COMPONENT): Expand comment.
2463         (DECL_NONADDRESSABLE_P): Likewise.
2464         * alias.c (record_component_aliases): Fix comment.
2465
2466 2008-05-01  Simon Baldwin <simonb@google.com>
2467
2468         * c-common.h (warn_array_subscript_range): New function.
2469         * c-common.c (warn_array_subscript_range): Ditto.
2470         * tree-vrp.c (check_array_ref): Corrected code to agree with
2471         comment, ignoring only arrays of size 0 or size 1.
2472         * c-typeck.c (build_array_ref): Call warn_array_subscript_range.
2473
2474 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
2475
2476         * config/i386/i386.c (ix86_builtin_type): Replace
2477         DI_FTYPE_DI_DI_INT with V1DI2DI_FTYPE_V1DI_V1DI_INT.
2478         (bdesc_args): Updated.
2479         (ix86_init_mmx_sse_builtins): Likewise.
2480         (ix86_expand_args_builtin): Likewise.
2481
2482         * config/i386/tmmintrin.h (_mm_alignr_pi8): Replace long long
2483         with __v1di.
2484
2485         * doc/extend.texi: Correct __builtin_ia32_palignr.
2486
2487 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
2488
2489         PR target/36095
2490         * config/i386/i386.c (bdesc_crc32): Removed.
2491         (ix86_expand_crc32): Likewise.
2492         (ix86_builtin_type): Replace V2DI2TI_FTYPE_V2DI2TI_INT with
2493         V2DI2TI_FTYPE_V2DI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT with
2494         V2DI2TI_FTYPE_V2DI_V2DI_INT.  Add UINT64_FTYPE_UINT64_UINT64,
2495         UINT_FTYPE_UINT_UINT, UINT_FTYPE_UINT_USHORT and
2496         UINT_FTYPE_UINT_UCHAR.
2497         (bdesc_args): Updated. Add crc32 builtins.
2498         (ix86_init_mmx_sse_builtins): Updated.
2499         (ix86_expand_args_builtin): Updated to support subreg.
2500
2501         * doc/extend.texi: Correct __builtin_ia32_crc32di.
2502
2503 2008-05-01  Jan Hubicka  <jh@suse.cz>
2504
2505         * tree-pass.h (opt_pass): Add IPA_PASS.
2506         (varpool_node, cgraph_node): Forward declare.
2507         (ipa_opt_pass): Define.
2508         (pass_ipa_inline): Turn into ipa_opt_pass.
2509         (pass_apply_inline): Remove.
2510         * ipa-inline.c (pass_ipa_inline): Turn into ipa_opt_pass.
2511         (apply_inline): Turn into ....
2512         (inline_transform): ... this one.
2513         (inline_generate_summary): New function.
2514         (pass_apply_inline): Remove.
2515         * function.h (ipa_opt_pass): Forward declare structure; typedef;
2516         vector.
2517         (struct function): Add ipa_transforms_to_apply.
2518         * passes.c (register_one_dump_file): Work on IPA_PASS.
2519         (init_optimization_passes): Remove pass_inline_parameters and
2520         pass_apply_inline.
2521         (pass_init_dump_file, pass_fini_dump_file): Break out from ....
2522         (execute_one_pass) ... here; apply transforms when possible.
2523         (add_ipa_transform_pass, execute_ipa_summary_asses,
2524         execute_one_ipa_transform_pass): New.
2525         (execute_ipa_pass_list): Update for IPA_PASS type.
2526
2527 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
2528
2529         * config/i386/i386.c (ix86_builtin_type): Add
2530         V2DI_FTYPE_V2DI_V16QI, V2DI_FTYPE_V2DI_UINT_UINT and
2531         V2DI_FTYPE_V2DI_V2DI_UINT_UINT.
2532         (bdesc_args): Add SSE4a builtins.
2533         (ix86_init_mmx_sse_builtins): Updated.
2534         (ix86_expand_args_builtin): Likewise.
2535         (ix86_expand_builtin): Likewise.
2536
2537 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
2538
2539         * config/i386/i386.c (ix86_builtin_type): Add
2540         V8HI_FTYPE_V8HI_V8HI_COUNT, V8HI_FTYPE_V8HI_SI_COUNT,
2541         V4SI_FTYPE_V4SI_V4SI_COUNT, V4SI_FTYPE_V4SI_SI_COUNT,
2542         V4HI_FTYPE_V4HI_V4HI_COUNT, V4HI_FTYPE_V4HI_SI_COUNT,
2543         V2DI_FTYPE_V2DI_V2DI_COUNT, V2DI_FTYPE_V2DI_SI_COUNT,
2544         V2SI_FTYPE_V2SI_V2SI_COUNT, V2SI_FTYPE_V2SI_SI_COUNT,
2545         V1DI_FTYPE_V1DI_V1DI_COUNT, V1DI_FTYPE_V1DI_SI_COUNT,
2546         V8HI_FTYPE_V8HI_INT, V4SI_FTYPE_V4SI_INT, V4HI_FTYPE_V4HI_INT,
2547         V2DI2TI_FTYPE_V2DI2TI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT
2548         and DI_FTYPE_DI_DI_INT.
2549         (bdesc_args): Add MMX/SSE shift, shuffle and palignr builtins.
2550         (ix86_init_mmx_sse_builtins): Updated.
2551         (ix86_expand_args_builtin): Likewise.
2552         (ix86_expand_builtin): Likewise.
2553         (ix86_expand_binop_imm_builtin): Removed.
2554
2555         * doc/extend.texi: Correct __builtin_ia32_palignr128.
2556
2557 2008-04-30  Richard Guenther  <rguenther@suse.de>
2558
2559         PR tree-optimization/32921
2560         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Disambiguate with TBAA.
2561
2562 2008-04-30  Richard Sandiford  <rsandifo@nildram.co.uk>
2563
2564         * config/arm/arm.c (arm_unwind_emit): Use
2565         crtl->all_throwers_are_sibcalls instead of
2566         cfun->all_throwers_are_sibcalls.
2567         (arm_output_fn_unwind): Likewise.
2568         * config/frv/frv.c (frv_stack_info): Use crtl->uses_pic_offset_table
2569         instead of cfun->uses_pic_offset_table.
2570         (frv_expand_prologue): Likewise.
2571         (frv_frame_pointer_required): Likewise.
2572         (frv_expand_fdpic_call): Likewise.
2573         (frv_emit_movsi): Likewise.
2574         * config/iq2000/iq2000.c (iq2000_expand_prologue): Use
2575         cfun->returns_pcc_struct instead of
2576         current_function_returns_pcc_struct.
2577         * config/m32c/m32c.c (need_to_save): Use crtl->calls_eh_return
2578         instead of cfun->calls_eh_return.
2579         (m32c_pushm_popm): Likewise.
2580         * config/xtensa/xtensa.h (cfun->calls_alloca): Remove bogus
2581         "extern" declaration.
2582
2583 2008-04-30  Richard Guenther  <rguenther@suse.de>
2584
2585         PR tree-optimization/21636
2586         * tree-ssa-ccp.c (ccp_fold): Handle &p->x with p being a
2587         constant address.
2588         (evaluate_stmt): Print the likely value.
2589         (ccp_visit_stmt): Avoid excessive vertical spacing.
2590
2591 2008-04-30  Rafael Espindola  <espindola@google.com>
2592
2593         * builtins.c (fold_call_expr): Return realret.
2594         * tree-ssa-threadedge.c
2595         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
2596         __builtin_object_size.
2597
2598 2008-04-30  Seongbae Park  <seongbae.park@gmail.com>
2599
2600         * gcc.c (wrapper_string): New variable.
2601         (insert_wrapper): New function.
2602         (execute): New option -wrapper.
2603         * doc/invoke.texi (Overall Options): New driver option -wrapper.
2604
2605 2008-04-30  Nathan Froyd  <froydnj@codesourcery.com>
2606
2607         * config/rs6000/crtresgpr.asm, config/rs6000/crtresxgpr.asm,
2608         config/rs6000/crtsavgpr.asm, config/rs6000/crtresfpr.asm,
2609         config/rs6000/crtresxfpr.asm, config/rs6000/crtsavfpr.asm: Break out
2610         from...
2611         * config/rs6000/crtsavres.asm: ...here.  Remove unneeded file.
2612         * config/rs6000/e500crtres32gpr.asm, config/rs6000/e500crtres64gpr.asm,
2613         config/rs6000/e500crtres64gprctr.asm,
2614         config/rs6000/e500crtrest32gpr.asm, config/rs6000/e500crtrest64gpr.asm,
2615         config/rs6000/e500crtresx32gpr.asm, config/rs6000/e500crtresx64gpr.asm,
2616         config/rs6000/e500crtsav32gpr.asm, config/rs6000/e500crtsav64gpr.asm,
2617         config/rs6000/e500crtsav64gprctr.asm,
2618         config/rs6000/e500crtsavg32gpr.asm, config/rs6000/e500crtsavg64gpr.asm,
2619         config/rs6000/e500crtsavg64gprctr.asm: New files.
2620         * config/rs6000/t-ppccomm: Add build rules for new files.
2621         (LIB2FUNCS_STATIC_EXTRA): Add new files.
2622         * config/rs6000/t-netbsd: Add build rules for new files.
2623         (LIB2FUNCS_STATIC_EXTRA): New variable.
2624         * config/rs6000/sysv4.h (ENDFILE_SPEC): Don't include crtsavres.o
2625         (CRTSAVRES_DEFAULT_SPEC): Likewise.
2626         * config/rs6000/netbsd.h (ENDFILE_SPEC): Likewise.
2627
2628 2008-04-30  H.J. Lu  <hongjiu.lu@intel.com>
2629
2630         * config/i386/i386.c (ix86_builtin_type): Add
2631         FLOAT128_FTYPE_FLOAT128_FLOAT128, V16QI_FTYPE_V16QI_V16QI,
2632         V16QI_FTYPE_V8HI_V8HI, V8QI_FTYPE_V8QI_V8QI,
2633         V8QI_FTYPE_V4HI_V4HI, V8HI_FTYPE_V8HI_V8HI,
2634         V8HI_FTYPE_V16QI_V16QI, V8HI_FTYPE_V4SI_V4SI,
2635         V4SI_FTYPE_V4SI_V4SI, V4SI_FTYPE_V8HI_V8HI,
2636         V4SI_FTYPE_V4SF_V4SF, V4SI_FTYPE_V2DF_V2DF,
2637         V4HI_FTYPE_V4HI_V4HI, V4HI_FTYPE_V8QI_V8QI,
2638         V4HI_FTYPE_V2SI_V2SI, V4SF_FTYPE_V4SF_V4SF,
2639         V4SF_FTYPE_V4SF_V4SF_SWAP, V4SF_FTYPE_V4SF_V2SI,
2640         V4SF_FTYPE_V4SF_V2DF, V4SF_FTYPE_V4SF_DI,
2641         V4SF_FTYPE_V4SF_SI, V2DI_FTYPE_V2DI_V2DI,
2642         V2DI_FTYPE_V16QI_V16QI, V2DI_FTYPE_V4SI_V4SI,
2643         V2DI_FTYPE_V2DF_V2DF, V2SI_FTYPE_V2SI_V2SI,
2644         V2SI_FTYPE_V4HI_V4HI, V2SI_FTYPE_V2SF_V2SF,
2645         V2DF_FTYPE_V2DF_V2DF, V2DF_FTYPE_V2DF_V2DF_SWAP,
2646         V2DF_FTYPE_V2DF_V4SF, V2DF_FTYPE_V2DF_DI,
2647         V2DF_FTYPE_V2DF_SI, V2SF_FTYPE_V2SF_V2SF,
2648         V1DI_FTYPE_V1DI_V1DI, V1DI_FTYPE_V8QI_V8QI and
2649         V1DI_FTYPE_V2SI_V2SI.
2650         (bdesc_2arg): Moved to ...
2651         (bdesc_args): Here.
2652         (ix86_init_mmx_sse_builtins): Updated.
2653         (ix86_expand_args_builtin): Updated.  Take a pointer
2654         to const struct builtin_description.  Handle comparison
2655         builtin functions.
2656         (ix86_expand_sse_compare): Take a new argument for swapping operands.
2657         (ix86_expand_builtin): Updated.
2658
2659         * config/i386/sse.md (ssse3_pmaddubswv8hi3): Renamed to ...
2660         (ssse3_pmaddubsw128): This.
2661         (ssse3_pmaddubswv4hi3): Renamed to ...
2662         (ssse3_pmaddubsw): This.
2663
2664         * doc/extend.texi (__builtin_ia32_packsswb128): Correct prototype.
2665         (__builtin_ia32_packssdw128): Likewise.
2666         (__builtin_ia32_packuswb128): Likewise.
2667         (__builtin_ia32_pmaddubsw): Likewise.
2668         (__builtin_ia32_pmaddubsw128): Likewise.
2669
2670 2008-04-30  Richard Guenther  <rguenther@suse.de>
2671
2672         PR tree-optimization/14847
2673         * tree-ssa-ifcombine.c (get_name_for_bit_test): New helper function.
2674         (recognize_bits_test): Use it.
2675         (recognize_single_bit_test): Likewise.
2676
2677 2008-04-30  Martin Jambor  <mjambor@suse.cz>
2678
2679         * ipa-cp.c (ipcp_init_stage): Calls ipa_set_called_with_variable_arg
2680         instead of setting number of formal parameters to zero.
2681         (ipcp_init_stage): Do not set the number of actual parameters to zero
2682         either.
2683         (ipcp_propagate_stage): Explicitly skipping all calls to nodes
2684         which are called with variable number of arguments.
2685         (ipcp_insert_stage): Explicitely skipping all nodes which are
2686         called with variable number of arguments.
2687         (ipcp_callsite_param_print): Skipps callsites to nodes with varaible
2688         number of parameters.
2689
2690         * ipa-prop.h (struct ipa_node_params): Added flag
2691         called_with_var_arguments
2692         (ipa_set_param_count): Added.  Changed sole setter to use it.
2693         (ipa_get_param_count): Added.  All readers of param_count
2694         converted to use it instead.
2695         (ipa_set_called_with_variable_arg): Added.
2696         (ipa_is_called_with_var_arguments): Added.
2697         (ipa_get_ith_param): Added.  All readers of param_decls converted
2698         to use it instead.
2699         (ipa_set_cs_argument_count): Added, sole writer to argument_count
2700         changed to use it.
2701         (ipa_get_cs_argument_count): Added, all readers of argument_count
2702         changed to cal it.
2703         (ipa_get_ith_jump_func): Added. Accessors of jump values changed
2704         to use it.
2705
2706         * ipa-prop.h (struct ipcp_formal): Renamed to ipcp_lattice
2707         (struct ipcp_lattice): Renamed cval_type to type
2708         (struct ipa_node_params): ipcp_cval renamed to ipcp_lattices
2709
2710         * ipa-cp.c (ipcp_cval_get_cvalue): Changed return value to tree
2711         (ipcp_cval_set_cvalue): Changed type of parameter value to tree
2712         (ipcp_insert_stage): Changed the type of variable cvalue to tree
2713         (ipcp_replace_map_create): Changed the type of parameter cvalue to tree
2714         (build_const_val): Changed the type of parameter cvalue to tree
2715         (ipcp_propagate_const): Changed the type of parameter cvalue to tree
2716         (ipcp_method_cval_set_cvalue_type): Renamed parameter cval_type1 to type
2717
2718         * ipa-prop.h (struct ipcp_formal): Replaced cvalue with tree called
2719         constant
2720
2721         * ipa-prop.c (ipa_methodlist_init): Renamed to ipa_init_func_list
2722         (ipa_methodlist_not_empty): Removed, the sole user now checks directly
2723         (ipa_add_method): Renamed to ipa_push_func_to_list
2724         (ipa_remove_method): Renamed to ipa_pop_func_from_list
2725         (ipa_callsite_param_count): Removed.
2726         (ipa_callsite_param_count_set): Removed.
2727         (ipa_callsite_param): Removed.
2728         (ipa_callsite_callee): Removed.
2729         (ipa_callsite_compute_param): Renamed to ipa_compute_jump_functions
2730         (ipa_callsite_compute_count): Renamed to ipa_count_arguments
2731         (ipa_method_formal_count): Removed.
2732         (ipa_method_formal_count_set): Removed.
2733         (ipa_method_get_tree): Removed.
2734         (ipa_method_tree_map_create): Removed.
2735         (ipa_method_compute_tree_map): Renamed to ipa_create_param_decls_array
2736         (ipa_create_param_decls_array): Creates the array itself
2737         (ipa_create_param_decls_array): Temporary variable info instead of
2738         a few dereferences.
2739         (ipa_method_formal_compute_count): Renamed to ipa_count_formal_params
2740         (ipa_method_compute_modify): Renamed to ipa_detect_param_modifications
2741         (get_type): Removed.
2742         (ipa_jf_get_info_type): Removed.
2743         (ipa_node_create): Renamed to ipa_create_node_params
2744         (ipa_free): Renamed to ipa_free_all_node_params
2745         (ipa_nodes_create): Renamed to ipa_create_all_node_params
2746         (ipa_edges_create): Renamed to ipa_create_all_edge_args
2747         (ipa_edges_free): Renamed to ipa_free_all_edge_args
2748         (ipa_nodes_free): Integrated into ipa_free_all_node_params and removed
2749         (ipa_free_all_node_params): Deallocation to jump_functions moved to
2750         ipa_free_all_edge_args
2751         (ipa_method_tree_print): Renamed to ipa_print_all_tree_maps
2752         (ipa_method_modify_print): Renamed to ipa_print_all_params_modified
2753         (ipa_create_methodlist_node): Removed.
2754         (ipa_methodlist_method): Removed.
2755         (ipa_methodlist_method_set): Removed.
2756         (ipa_methodlist_next_method): Removed.
2757         (ipa_methodlist_next_method_set): Removed.
2758         (ipa_method_is_modified): Removed.
2759         (ipa_method_modify_create): Removed.
2760         (ipa_method_modify_init): Temporary variable info instead of a few
2761         dereferences.
2762         (ipa_detect_param_modifications): Temporary variable info instead of
2763         a few dereferences.
2764         (ipa_compute_jump_functions): Temporary variable info instead of
2765         a few dereferences.
2766         (ipa_method_modify_set): Removed.
2767         (ipa_method_tree_map): Renamed to ipa_get_param_decl_index
2768         (ipa_get_param_decl_index): Now accepts struct ipa_node_params rather
2769         than craph_node as the first parameter.
2770         (ipa_method_modify_stmt): Renamed to ipa_check_stmt_modifications
2771         (ipa_method_modify_init): Removed.
2772         (ipa_compute_jump_functions): Added a temp variable instead of
2773         repeatadly dereferencing the cgraph_edge.aux pointer
2774         (ipa_callsite_param_set_type): Removed.
2775         (ipa_compute_jump_functions): i renamed to index and moved to
2776         an inner block
2777         (ipa_callsite_param_set_info_type_formal): Removed.
2778         (ipa_callsite_param_set_info_type): Removed.
2779         (ipa_callsite_param_map_create): Removed.
2780         (ipa_callsite_tree): Removed.
2781         (ipa_callsite_caller): Removed.
2782         (ipa_pop_func_from_list): return_method removed to return_func
2783
2784         * ipa-prop.h (enum cvalue_type): Renamed to ipa_lattice_type,
2785         prefixed all values with IPA_. Changed all users.
2786         (enum jump_func_type): Rnamed UNKNOWN_IPATYPE to IPA_UNKNOWN,
2787         CONST_IPATYPE to IPA_CONST, CONST_IPATYPE_REF to IPA_CONST_REF
2788         and FORMAL_IPATYPE IPA_PASS_THROUGH.
2789         (union parameter_info): Renamed to jump_func_value.
2790         (union jump_func_value): Renamed value to constant
2791         (struct ipa_jump_func): Renamed info_type to value
2792         (struct ipa_node): Renamed to ipa_node_params
2793         (struct ipa_node_params): Renamed ipa_arg_num to param_count
2794         (struct ipa_node_params): Renamed ipa_param_tree to param_decls
2795         (struct ipa_node_params): Renamed ipa_mod to modified_flags
2796         (struct ipa_edge): Renamed to ipa_edge_args
2797         (struct ipa_edge_args): Renamed ipa_param_num to argument_count
2798         (struct ipa_edge_args): Renamed ipa_param_map to jump_functions
2799         (struct ipa_methodlist): Renamed to ipa_func_list
2800         (struct ipa_func_list): method_p renamed to node, next_method
2801         renamed to next
2802         (ipa_methodlist_p): Removed, switched all users to struct pointer
2803         (IS_VALID_TREE_MAP_INDEX): Renamed to IS_VALID_JUMP_FUNC_INDEX
2804
2805 2008-04-30  Alan Modra  <amodra@bigpond.net.au>
2806
2807         * config/rs6000/rs6000.c (ALWAYS_RESTORE_ALTIVEC_BEFORE_POP): Define.
2808         (rs6000_emit_epilogue): Use backchain to restore only when we
2809         have a large frame.  Make use of frame pointer to restore if we
2810         have one.  Handle ALWAYS_RESTORE_ALTIVEC_BEFORE_POP.
2811
2812 2008-04-29  Paolo Bonzini  <bonzini@gnu.org>
2813
2814         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
2815         Add mode to zero_extract.
2816         (sign bit tests peepholes): (Ditto.).
2817
2818 2008-04-29  H.J. Lu  <hongjiu.lu@intel.com>
2819
2820         * config/i386/i386.c (ix86_builtins): Replace Prescott New
2821         Instructions in comments with SSE3.
2822         (ix86_builtin_type): This.  Add FLOAT128_FTYPE_FLOAT128,
2823         INT64_FTYPE_V4SF, INT64_FTYPE_V2DF, INT_FTYPE_V16QI,
2824         INT_FTYPE_V8QI, INT_FTYPE_V4SF, INT_FTYPE_V2DF,
2825         V16QI_FTYPE_V16QI, V8HI_FTYPE_V8HI, V8HI_FTYPE_V16QI,
2826         V8QI_FTYPE_V8QI, V4SI_FTYPE_V4SI, V4SI_FTYPE_V16QI,
2827         V4SI_FTYPE_V4SF, V4SI_FTYPE_V8HI, V4SI_FTYPE_V2DF,
2828         V4HI_FTYPE_V4HI, V4SF_FTYPE_V4SF, V4SF_FTYPE_V4SI,
2829         V4SF_FTYPE_V2DF, V2DI_FTYPE_V2DI, V2DI_FTYPE_V16QI,
2830         V2DI_FTYPE_V8HI, V2DI_FTYPE_V4SI, V2DF_FTYPE_V2DF,
2831         V2DF_FTYPE_V4SI, V2DF_FTYPE_V4SF, V2DF_FTYPE_V2SI,
2832         V2SI_FTYPE_V2SI, V2SI_FTYPE_V4SF, V2SI_FTYPE_V2SF,
2833         V2SI_FTYPE_V2DF, V2SF_FTYPE_V2SF and V2SF_FTYPE_V2SI.
2834         (bdesc_sse_args): Renamed to ...
2835         (bdesc_args): This.  Add IX86_BUILTIN_PF2ID, IX86_BUILTIN_PFRCP,
2836         IX86_BUILTIN_PFRSQRT, IX86_BUILTIN_PI2FD, IX86_BUILTIN_PF2IW,
2837         IX86_BUILTIN_PSWAPDSI, IX86_BUILTIN_PSWAPDSF and
2838         IX86_BUILTIN_FABSQ.
2839         (bdesc_1arg): Moved to ...
2840         (bdesc_args): Here.
2841         (ix86_init_mmx_sse_builtins): Updated.  Replace Prescott New
2842         Instructions in comments with SSE3.
2843         (ix86_expand_sse_operands_builtin): Renamed to ...
2844         (ix86_expand_args_builtin): This.  Updated.
2845         (ix86_expand_unop1_builtin): Update comments.
2846         (ix86_expand_builtin): Updated.
2847
2848 2008-04-29  Richard Guenther  <rguenther@suse.de>
2849
2850         PR tree-optimization/36078
2851         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely):
2852         Update virtual SSA form after cleaning up the CFG.
2853
2854 2008-04-29  Richard Guenther  <rguenther@suse.de>
2855
2856         PR middle-end/15255
2857         * fold-const.c (fold_binary): Fold (A + A) * C to A * 2*C.
2858
2859 2008-04-29  Richard Guenther  <rguenther@suse.de>
2860
2861         * tree-ssa-alias.c (finalize_ref_all_pointers): Remove.
2862         (compute_may_aliases): Do not call finalize_ref_all_pointers.
2863         (compute_flow_insensitive_aliasing): Do not treat
2864         PTR_IS_REF_ALL pointers special.
2865         (get_smt_for): Likewise.
2866         (may_alias_p): Re-structure.
2867         (is_escape_site): A ref-all pointer conversion is not an escape site.
2868         * tree-ssa-structalias.c (find_what_p_points_to): Do not treat
2869         PTR_IS_REF_ALL pointers special.
2870         * tree-ssa-structalias.h (struct alias_info): Remove
2871         ref_all_symbol_mem_tag field.
2872         (PTR_IS_REF_ALL): Remove.
2873
2874 2008-04-29  Richard Guenther  <rguenther@suse.de>
2875
2876         PR middle-end/36077
2877         * fold-const.c (extract_muldiv_1): In combining division constants
2878         make sure to never overflow.
2879
2880 2008-04-29  Nick Clifton  <nickc@redhat.com>
2881
2882         * doc/tm.texi (RETURN_ADDR_RTX): Fix typo.
2883
2884 2008-04-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2885
2886         PR bootstrap/35169
2887         * optc-gen.awk: Work around HP-UX/IA awk bug.
2888
2889 2008-04-28  Danny Smith  <dannysmith@users.sourceforge.net>
2890
2891         * config/i386/cygming-crtend.c (register_frame_ctor): Revert my
2892         2008-04-25 commit.
2893
2894 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
2895
2896         PR target/36073
2897         * config/i386/i386.md
2898         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit):
2899         Change operand 1 predicate to nonimmediate_operand.
2900
2901 2008-04-28  Jakub Jelinek  <jakub@redhat.com>
2902
2903         PR debug/36060
2904         * dwarf2out.c (struct die_struct): Mark as chain_circular through
2905         die_sub field.
2906         * gengtype.c (walk_type, write_func_for_structure): Handle
2907         chain_circular.
2908         * doc/gty.texi: Document chain_circular.
2909
2910 2008-04-28  Richard Guenther  <rguenther@suse.de>
2911
2912         PR tree-optimization/36066
2913         * tree-vrp.c (execute_vrp): Cleanup the CFG only after finalizing
2914         SCEV and loop.
2915
2916 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
2917
2918         PR target/36064
2919         * config/i386/i386.md
2920         (floatdi<X87MODEF:mode>2_i387_with_xmm splitters):
2921         Use match_scratch instead of match_operand for operands 3 and 4.
2922
2923 2008-04-27  Richard Guenther  <rguenther@suse.de>
2924
2925         PR tree-optimization/18754
2926         PR tree-optimization/34223
2927         * tree-pass.h (pass_complete_unrolli): Declare.
2928         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Print
2929         loop size before and after unconditionally of UL_NO_GROWTH in effect.
2930         Rewrite loop into loop closed SSA form if it is not already.
2931         (tree_unroll_loops_completely): Re-structure to iterate over
2932         innermost loops with intermediate CFG cleanups.
2933         Unroll outermost loops only if requested or the code does not grow
2934         doing so.
2935         * tree-ssa-loop.c (gate_tree_vectorize): Don't shortcut if no
2936         loops are available.
2937         (tree_vectorize): Instead do so here.
2938         (tree_complete_unroll): Also unroll outermost loops.
2939         (tree_complete_unroll_inner): New function.
2940         (gate_tree_complete_unroll_inner): Likewise.
2941         (pass_complete_unrolli): New pass.
2942         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Only record
2943         uses outside of the loop.
2944         (tree_duplicate_loop_to_header_edge): Only verify loop-closed SSA
2945         form if it is available.
2946         * tree-flow.h (tree_unroll_loops_completely): Add extra parameter.
2947         * passes.c (init_optimization_passes): Schedule complete inner
2948         loop unrolling pass before the first CCP pass after final inlining.
2949
2950 2008-04-27  Nathan Sidwell  <nathan@codesourcery.com>
2951
2952         * targhooks.h (default_emutls_var_fields,
2953         default_emutls_var_init): Declare.
2954         * tree.h (DECL_THREAD_LOCAL): Compare against TLS_MODEL_REAL.
2955         * target.h (struct gcc_target): Add struct emutls member.
2956         * target-def.h (TARGET_EMUTLS_GET_ADDRESS,
2957         TARGET_EMUTLS_REGISTER_COMMON, TARGET_EMUTLS_VAR_SECTION,
2958         TARGET_EMUTLS_TMPL_SECTION, TARGET_EMUTLS_VAR_PREFIX,
2959         TARGET_EMUTLS_TMPL_PREFIX, TARGET_EMUTLS_VAR_FIELDS,
2960         TARGET_EMUTLS_VAR_INIT, TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS,
2961         TARGET_EMUTLS_VAR_ALIGN_FIXED, TARGET_EMUTLS): New.
2962         (TARGET_INITIALIZER): Add TARGET_EMUTLS.
2963         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS,
2964         BUILT_IN_EMUTLS_REGISTER_COMMON): Get name from targetm structure.
2965         * dwarf2out.c (loc_descriptor_from_tree_1): Check if emutls can
2966         emit debug information.
2967         * coretypes.h (tls_model): Add TLS_MODEL_EMULATED, TLS_MODEL_REAL.
2968         * varasm.c: Include targhooks.h.
2969         (emutls_object_section, emutls_tmpl_section): New.
2970         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): Remove.
2971         (EMUTLS_SEPARATOR): New.
2972         (prefix_name): New.
2973         (get_emutls_object_name): New.
2974         (default_emutls_var_fields): New, broken out of ...
2975         (get_emutls_object_type): ... here.  Adjust to use target hooks.
2976         (get_emutls_init_templ_addr): Adjust to use target hooks.
2977         (emutls_decl): Adjust to use target hooks.
2978         (emutls_finish): Likewise.
2979         (default_emutls_var_init): New, broken out of ...
2980         (assemble_variable): ... here.  Adjust to use target hooks.
2981         * output.h (enum section_category): Add SECCAT_EMUTLS_VAR,
2982         SECCAT_EMUTLS_TMPL.
2983         * c-common.c (handle_section_attribute): Prevent overriding
2984         sections for emulated tls with special sections.
2985         * config/i386/i386.c (x86_64_elf_select_section): Add
2986         SECCAT_EMUTLS_VAR and SECCAT_EMUTLS_TMPL.
2987         (x86_64_elf_unique_section): Likewise.
2988         * config/vxworks.c: Include tree.h.
2989         (vxworks_emutls_var_fields, vxworks_emutls_var_init): New.
2990         (vxworks_override_options): Set TLS scheme.
2991         * doc/tm.texi (Emulated TLS): New node.
2992
2993 2008-04-26  Simon Baldwin <simonb@google.com>
2994
2995         PR c/35652
2996         * builtins.c (c_strlen): Suppressed multiple warnings that can occur
2997         with propagated string constants.
2998
2999 2008-04-26  Uros Bizjak  <ubizjak@gmail.com>
3000
3001         * config/i386/i386.md (fix_trunc<mode>_i387_fisttp_with_temp): Use 'X'
3002         constraint for operand 2 when operand 0 is memory operand.
3003         (fix_truncdi_i387_with_temp): : Use 'X' constraint for operand 4 when
3004         operand 0 is memory operand.
3005         (fix_trunc<mode>_i387_with_temp): Ditto.
3006         (*floatsi<mode>2_vector_mixed_with_temp): Use 'X' constraint for
3007         operand 2 when operand 1 is memory operand.
3008         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_with_temp): Ditto.
3009         (*floatsi<mode>2_vector_sse_with_temp): Ditto.
3010         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_with_temp): Ditto.
3011         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
3012         (floatdi<X87MODEF:mode>2_i387_with_xmm): Use 'X' constraint for
3013         operands 2,3 and 4 when operand 1 is memory operand.
3014         (fistdi2_with_temp): Use 'X' constraint for operand 2 when operand 0
3015         is memory operand.
3016         (fistdi2_floor_with_temp): Ditto.
3017         (fist<mode>2_floor_with_temp): Ditto.
3018         (fistdi2_ceil_with_temp): Ditto.
3019         (fist<mode>2_ceil_with_temp): Ditto.
3020         (*truncdfsf_fast_mixed): Merge alternatives 0 and 1.
3021
3022 2008-04-26  David Daney  <ddaney@avtrex.com>
3023
3024         * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP_12): New
3025         unspec_volitile.
3026         (UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE,
3027         UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
3028         UNSPEC_UPDATE_GOT_VERSION): Renumber.
3029         (sync_compare_and_swap<mode>): New expand for QI and HI modes.
3030         (compare_and_swap_12): New insn.
3031         * config/mips/mips-protos.h (mips_expand_compare_and_swap_12): Declare.
3032         * config/mips/mips.c (mips_force_binary): New function.
3033         (mips_emit_int_order_test, mips_expand_synci_loop): Use it.
3034         (mips_expand_compare_and_swap_12): New function.
3035         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): New macro.
3036
3037 2008-04-25  Jan Hubicka  <jh@suse.cz>
3038
3039         PR testsuite/35843
3040         * cfgexpand.c (pass_expand): Turn into RTL pass.
3041         * passes.c (execute_one_pass): Do pass typechecking after execution.
3042         * tree-pass.h (pass_expand): Turn into RTL pass.
3043
3044         * function.h (struct rtl_data): Move here fields
3045         accesses_prior_frames, calls_eh_return, saves_all_registers,
3046         has_nonlocal_goto, has_asm_statement, is_thunk,
3047         all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool,
3048         uses_pic_offset_table, uses_eh_lsda, tail_call_emit,
3049         arg_pointer_save_area_init from struct function; turn into bool.
3050         (struct function): Move
3051         calls_eh_return, saves_all_registers, has_nonlocal_goto,
3052         has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack,
3053         profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda,
3054         tail_call_emit, arg_pointer_save_area_init
3055         into struct rtl_data.  Remove recursive_call_emit and gimplified flags.
3056         (current_function_returns_struct, current_function_returns_pcc_struct,
3057         current_function_calls_setjmp, current_function_calls_alloca,
3058         current_function_accesses_prior_frames,
3059         current_function_calls_eh_return, current_function_is_thunk,
3060         current_function_stdarg, current_function_profile,
3061         current_function_limit_stack, current_function_uses_pic_offset_table,
3062         current_function_uses_const_pool, current_function_has_nonlocal_label,
3063         current_function_saves_all_registers,
3064         current_function_has_nonlocal_goto,
3065         current_function_has_asm_statement): Remove accesor macros.
3066         * ra-conflict.c (global_conflicts): Update.
3067         * tree-tailcall.c (suitable_for_tail_opt_p): Update.
3068         (suitable_for_tail_call_opt_p): Update.
3069         * builtins.c (expand_builtin_return_addr): Update.
3070         (expand_builtin_setjmp_setup): Update.
3071         (expand_builtin_nonlocal_goto): Update.
3072         * final.c (final_start_function): Update.
3073         (profile_function): Update.
3074         (leaf_function_p): Update.
3075         (only_leaf_regs_used): Update.
3076         * df-scan.c (df_get_exit_block_use_set): Update.
3077         * dojump.c (clear_pending_stack_adjust): Update.
3078         * tree-stdarg.c (gate_optimize_stdarg): Update.
3079         * gimple-low.c (lower_function_body): Update.
3080         * global.c (compute_regsets): Update.
3081         (global_alloc): Update.
3082         * dwarf2out.c (dwarf2out_begin_prologue): Update.
3083         * expr.c (expand_assignment): Update.
3084         * dse.c (dse_step0): Update.
3085         (dse_step1): Update.
3086         * c-decl.c (store_parm_decls): Update.
3087         * local-alloc.c (combine_regs): Update.
3088         (find_free_reg): Update.
3089         * function.c (assign_parms_augmented_arg_list): Update.
3090         (assign_parm_find_data_types): Update.
3091         (assign_parms): Update.
3092         (allocate_struct_function): Update.
3093         (expand_function_start): Update.
3094         (expand_function_end): Update.
3095         (get_arg_pointer_save_area): Update.
3096         (thread_prologue_and_epilogue_insns): Update.
3097         (rest_of_match_asm_constraints): Update.
3098         * stor-layout.c (variable_size): Update.
3099         * gcse.c (gcse_main): Update.
3100         (bypass_jumps): Update.
3101         * gimplify.c (gimplify_function_tree): Update.
3102         * calls.c (emit_call_1): Update.
3103         (expand_call): Update.
3104         * bt-load.c (compute_defs_uses_and_gen): Update.
3105         * except.c (sjlj_assign_call_site_values): Update.
3106         (sjlj_emit_function_enter): Update.
3107         (can_throw_external): Update.
3108         (set_nothrow_function_flags): Update.
3109         (expand_builtin_unwind_init): Update.
3110         (expand_eh_return): Update.
3111         (convert_to_eh_region_ranges): Update.
3112         (output_function_exception_table): Update.
3113         * emit-rtl.c (gen_tmp_stack_mem): Update.
3114         * cfgexpand.c (expand_used_vars): Update.
3115         (tree_expand_cfg): Update.
3116         * cfgcleanup.c (rest_of_handle_jump): Update.
3117         * explow.c (allocate_dynamic_stack_space): Update.
3118         * varasm.c (assemble_start_function): Update.
3119         (force_const_mem): Update.
3120         (mark_constant_pool): Update.
3121         * tree-optimize.c (tree_rest_of_compilation): Update.
3122         * stack-ptr-mod.c (notice_stack_pointer_modification): Update.
3123         * tree-cfg.c (notice_special_calls): Update.
3124         (is_ctrl_altering_stmt): Update.
3125         (tree_can_make_abnormal_goto): Update.
3126         (tree_purge_dead_abnormal_call_edges): Update.
3127         * config/alpha/predicates.md: Update.
3128         * config/alpha/alpha.c (alpha_sa_mask): Update.
3129         (alpha_sa_size): Update.
3130         (alpha_does_function_need_gp): Update.
3131         (alpha_expand_prologue): Update.
3132         (alpha_start_function): Update.
3133         (alpha_output_function_end_prologue): Update.
3134         (alpha_expand_epilogue): Update.
3135         * config/frv/frv.c (frv_stack_info): Update.
3136         (frv_expand_epilogue): Update.
3137         * config/s390/s390.c (s390_regs_ever_clobbered): Update.
3138         (s390_register_info): Update.
3139         (s390_frame_info): Update.
3140         (s390_init_frame_layout): Update.
3141         (s390_can_eliminate): Update.
3142         (save_gprs): Update.
3143         * config/spu/spu.c (spu_split_immediate): Update.
3144         (need_to_save_reg): Update.
3145         (spu_expand_prologue): Update.
3146         (spu_expand_epilogue): Update.
3147         * config/sparc/sparc.md: Update.
3148         * config/sparc/sparc.c (eligible_for_return_delay): Update.
3149         (sparc_tls_got): Update.
3150         (legitimize_pic_address): Update.
3151         (sparc_emit_call_insn): Update.
3152         (sparc_expand_prologue): Update.
3153         (output_return): Update.
3154         (print_operand): Update.
3155         (sparc_function_ok_for_sibcall): Update.
3156         * config/sparc/sparc.h (EXIT_IGNORE_STACK): Update.
3157         * config/m32r/m32r.md: Update.
3158         * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update.
3159         (m32r_compute_frame_size): Update.
3160         (m32r_expand_prologue): Update.
3161         (m32r_expand_epilogue): Update.
3162         (m32r_legitimize_pic_address): Update.
3163         * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update.
3164         * config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
3165         * config/i386/i386.c (ix86_frame_pointer_required): Update.
3166         (gen_push): Update.
3167         (ix86_save_reg): Update.
3168         (ix86_compute_frame_layout): Update.
3169         (ix86_expand_prologue): Update.
3170         (ix86_expand_epilogue): Update.
3171         * config/sh/sh.c (output_stack_adjust): Update.
3172         (calc_live_regs): Update.
3173         (sh5_schedule_saves): Update.
3174         (sh_expand_prologue): Update.
3175         (sh_expand_epilogue): Update.
3176         (sh_setup_incoming_varargs): Update.
3177         (sh_allocate_initial_value): Update.
3178         (sh_get_pr_initial_val): Update.
3179         * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update.
3180         * config/sh/sh.md (label:): Update.
3181         * config/avr/avr.c (out_movhi_mr_r): Update.
3182         * config/crx/crx.h (enum): Update.
3183         * config/xtensa/xtensa.h (along): Update.
3184         * config/stormy16/stormy16.c Update.
3185         (xstormy16_compute_stack_layout): Update.
3186         * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update.
3187         (fr30_expand_prologue): Update.
3188         * config/cris/cris.c (cris_conditional_register_usage): Update.
3189         (cris_reg_saved_in_regsave_area): Update.
3190         (cris_initial_frame_pointer_offset): Update.
3191         (cris_simple_epilogue): Update.
3192         (cris_expand_prologue): Update.
3193         (cris_expand_epilogue): Update.
3194         (cris_expand_pic_call_address): Update.
3195         (cris_asm_output_symbol_ref): Update.
3196         (cris_asm_output_label_ref): Update.
3197         * config/cris/cris.md Update.
3198         * config/iq2000/iq2000.c (compute_frame_size): Update.
3199         (iq2000_expand_epilogue): Update.
3200         * config/mt/mt.h (save_direction): Update.
3201         * config/mn10300/mn10300.c (mn10300_function_value): Update.
3202         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
3203         (ia64_secondary_reload_class): Update.
3204         * config/m68k/m68k.c (m68k_save_reg): Update.
3205         (m68k_expand_prologue): Update.
3206         (m68k_expand_epilogue): Update.
3207         (legitimize_pic_address): Update.
3208         * config/rs6000/rs6000.c (rs6000_got_register): Update.
3209         (first_reg_to_save): Update.
3210         (first_altivec_reg_to_save): Update.
3211         (compute_vrsave_mask): Update.
3212         (compute_save_world_info): Update.
3213         (rs6000_stack_info): Update.
3214         (spe_func_has_64bit_regs_p): Update.
3215         (rs6000_ra_ever_killed): Update.
3216         (rs6000_emit_eh_reg_restore): Update.
3217         (rs6000_emit_allocate_stack): Update.
3218         (rs6000_emit_prologue): Update.
3219         (rs6000_emit_epilogue): Update.
3220         (rs6000_output_function_epilogue): Update.
3221         (output_profile_hook): Update.
3222         (rs6000_elf_declare_function_name): Update.
3223         * config/rs6000/rs6000.h (rs6000_args): Update.
3224         * config/rs6000/rs6000.md: Update.
3225         * config/mcore/mcore.c (mcore_expand_prolog): Update.
3226         * config/arc/arc.c (arc_output_function_epilogue): Update.
3227         * config/arc/arc.h (FRAME_POINTER_REQUIRED): Update.
3228         * config/darwin.c (machopic_function_base_name): Update.
3229         * config/score/score3.c (score3_compute_frame_size): Update.
3230         (rpush): Update.
3231         (rpop): Update.
3232         (score3_epilogue): Update.
3233         * config/score/score7.c (score7_compute_frame_size): Update.
3234         (score7_prologue): Update.
3235         (score7_epilogue): Update.
3236         * config/score/score.h (FRAME_POINTER_REQUIRED): Update.
3237         * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
3238         * config/arm/arm.c (use_return_insn): Update.
3239         (require_pic_register): Update.
3240         (arm_load_pic_register): Update.
3241         (arm_compute_save_reg0_reg12_mask): Update.
3242         (arm_compute_save_reg_mask): Update.
3243         (thumb1_compute_save_reg_mask): Update.
3244         (output_return_instruction): Update.
3245         (arm_output_function_prologue): Update.
3246         (arm_output_epilogue): Update.
3247         (arm_get_frame_offsets): Update.
3248         (arm_expand_prologue): Update.
3249         (thumb_pushpop): Update.
3250         (thumb_exit): Update.
3251         (thumb1_expand_prologue): Update.
3252         (thumb1_expand_epilogue): Update.
3253         (arm_unwind_emit): Update.
3254         (arm_output_fn_unwind): Update.
3255         * config/arm/arm.h (FRAME_POINTER_REQUIRED): Update.
3256         * config/arm/arm.md: Update.
3257         * config/pa/pa.md: Update.
3258         * config/pa/pa.c (legitimize_pic_address): Update.
3259         (compute_frame_size): Update.
3260         (hppa_expand_prologue): Update.
3261         (hppa_expand_epilogue): Update.
3262         (borx_reg_operand): Update.
3263         * config/pa/pa.h (FRAME_POINTER_REQUIRED): Update.
3264         (HARD_REGNO_RENAME_OK): Update.
3265         * config/mips/mips.c (mips_global_pointer): Update.
3266         (mips_save_reg_p): Update.
3267         (mips_compute_frame_info): Update.
3268         (mips_frame_pointer_required): Update.
3269         (mips_expand_prologue): Update.
3270         (mips_expand_epilogue): Update.
3271         (mips_can_use_return_insn): Update.
3272         (mips_reorg_process_insns): Update.
3273         * config/v850/v850.c (compute_register_save_size): Update.
3274         * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update.
3275         * config/mmix/mmix.c (along): Update.
3276         (mmix_expand_epilogue): Update.
3277         * config/bfin/bfin.c (legitimize_pic_address): Update.
3278         (must_save_p): Update.
3279         (stack_frame_needed_p): Update.
3280         (add_to_reg): Update.
3281         (bfin_expand_prologue): Update.
3282         * stmt.c (expand_asm_operands): Update.
3283         * reload1.c (reload): Update.
3284         (init_elim_table): Update.
3285
3286 2008-04-25  Bob Wilson  <bob.wilson@acm.org>
3287
3288         * optabs.c (expand_float): Fix REG_EQUAL for UNSIGNED_FLOAT libcall.
3289
3290 2008-04-25  H.J. Lu  <hongjiu.lu@intel.com>
3291
3292         * config/i386/sse.md (mov<mode>): Replace SSEMODEI with SSEMODE.
3293         (*mov<mode>_internal): Likewise.  Support V4SF and V2DF.
3294         (mov<mode>): Removed.
3295         (*movv4sf_internal): Likewise.
3296         (*movv2df_internal): Likewise.
3297
3298 2008-04-25  Pompapathi V Gadad <Pompapathi.V.Gadad@nsc.com>
3299
3300         * config.gcc (crx-*-elf): Remove deprecation.
3301
3302 2008-04-25  Danny Smith  <dannysmith@users.sourceforge.net>
3303
3304         * config/i386/cygming-crtend.c (register_frame_ctor): Register
3305         __gcc_deregister_frame with atexit.
3306         (deregister_frame_dtor): Remove.
3307
3308 2008-04-24  Nathan Froyd  <froydnj@codesourcery.com>
3309             Nathan Sidwell  <nathan@codesourcery.com>
3310
3311         * config/rs6000/rs6000.opt (mspe): Remove Var property.
3312         (misel): Likewise.
3313         * config/rs6000/rs6000.h (rs6000_spe): Declare.
3314         (rs6000_isel): Likewise.
3315         * config/rs6000/rs6000.c (rs6000_spe): New variable.
3316         (rs6000_isel): New variable.
3317         (rs6000_handle_option): Handle OPT_mspe and OPT_misel.
3318
3319 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
3320
3321         PR c++/35758
3322         * c-common.c (handle_vector_size_attribute): Call
3323         lang_hooks.types.reconstruct_complex_type instead of
3324         reconstruct_complex_type.
3325         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Likewise.
3326         * config/spu/spu.c (spu_handle_vector_attribute): Likewise.
3327         * langhooks.h (struct lang_hooks_for_types): Add
3328         reconstruct_complex_type hook.
3329         * langhooks-def.h (LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE): Define.
3330         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add it.
3331
3332 2008-04-24  Richard Guenther  <rguenther@suse.de>
3333
3334         * c-common.h (check_builtin_function_arguments): Declare.
3335         * c-common.c (validate_nargs): New function.
3336         (check_builtin_function_arguments): Likewise.
3337         * c-typeck.c (build_function_call): Call
3338         check_builtin_function_arguments.
3339         * builtins.c (fold_builtin_classify): Remove error reporting code.
3340         (fold_builtin_unordered_cmp): Likewise.
3341         (fold_builtin_1): Likewise.
3342         (fold_builtin_n): Likewise.
3343
3344 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
3345
3346         PR tree-optimization/36008
3347         * fold-const.c (try_move_mult_to_index): If s == NULL, divide
3348         the original op1, rather than delta by step.
3349
3350 2008-04-22  Antoniu Pop  <antoniu.pop@gmail.com>
3351             Sebastian Pop  <sebastian.pop@amd.com>
3352
3353         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
3354         eliminate_local_variables_stmt, eliminate_local_variables,
3355         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
3356         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
3357         of code delimited by two edges in the CFG.
3358         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
3359         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
3360         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
3361         the case of parallelisation of reductions.
3362         (expr_invariant_in_region_p): New.
3363
3364         * tree-flow.h (gather_blocks_in_sese_region): Declared.
3365         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
3366
3367 2008-04-24  Ira Rosen  <irar@il.ibm.com>
3368             Richard Guenther  <rguenther@suse.de>
3369
3370         PR tree-optimization/36034
3371         * tree-vect-analyze.c (vect_analyze_group_access): SLP is
3372         incapable of dealing with loads with gaps.
3373
3374 2008-04-24  Rafael Espindola  <espindola@google.com>
3375
3376         * tree-flow.h (vrp_evaluate_conditional): Change signature.
3377         * tree-ssa-propagate.c (fold_predicate_in): Update call to
3378         vrp_evaluate_conditional.
3379         * tree-vrp.c (vrp_evaluate_conditional_warnv): Remove.
3380         (vrp_evaluate_conditional): Split the cond argument.
3381         (vrp_visit_cond_stmt): Use vrp_evaluate_conditional_warnv_with_ops.
3382         (simplify_stmt_for_jump_threading): Update call to
3383         vrp_evaluate_conditional.
3384
3385 2008-04-24  Ira Rosen  <irar@il.ibm.com>
3386
3387         PR tree-optimization/35982
3388         * tree-vect-analyze.c (vect_check_interleaving): Check that the
3389         interleaved data-refs are of the same type.
3390
3391 2008-04-24  Danny Smith  <dannysmith@users.net>
3392
3393         * c-format.c (check_format_info_main): Use strncmp rather than a
3394         magic prefix to handle multichar length specs.
3395         * config/i386/msformat-c.c (format_length_info ms_printf_length_specs):
3396         Don't prefix "I64" and "I32" with '\0'.
3397
3398 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
3399
3400         PR target/36015
3401         * config/i386/i386.c (init_cumulative_args): Don't pass anything
3402         in registers for -m32 only if stdarg_p (fntype).
3403
3404 2008-04-24  Uros Bizjak  <ubizjak@gmail.com>
3405
3406         PR rtl-optimization/36006
3407         * expmed.c (store_fixed_bit_field): Copy op0 rtx before moving
3408         temp to op0 in order to avoid invalid rtx sharing.
3409
3410 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
3411
3412         * tree-cfg.c (verify_expr): Check with is_gimple_address.  Don't
3413         check TREE_INVARIANT.
3414         * tree-gimple.c (is_gimple_address): New.
3415         (is_gimple_invariant_address): Simplify using decl_address_invariant_p.
3416         * tree-gimple.h (is_gimple_address): New.
3417         * tree.h (decl_address_invariant_p): New.
3418         * tree.c (make_node_stat): Don't set TREE_INVARIANT.
3419         (build_string): Likewise.
3420         (decl_address_invariant_p): New, from is_gimple_invariant_address.
3421         (tree_invariant_p_1): Likewise.
3422         (save_expr): Use it.
3423         (tree_invariant_p): New.
3424         (skip_simple_arithmetic): Use it.
3425         (stabilize_reference_1): Use it.
3426         (recompute_tree_invariant_for_addr_expr): Don't update TREE_INVARIANT,
3427         simplify.
3428         (build1_stat): Drop code to compute TREE_INVARIANT.
3429         (build2_stat): Drop code to compute TREE_INVARIANT.
3430         (build3_stat): Drop code to compute TREE_INVARIANT.
3431         (build4_stat): Drop code to compute TREE_INVARIANT.
3432         (build5_stat): Drop code to compute TREE_INVARIANT.
3433         (build7_stat): Drop code to compute TREE_INVARIANT.
3434         (merge_dllimport_decl_attributes): Don't mention TREE_INVARIANT.
3435         * tree.h (struct tree_base): Remove invariant_flag.
3436         (TREE_INVARIANT): Remove.
3437         * builtins.c (build_string_literal): Don't set TREE_INVARIANT.
3438         (fold_builtin_expect): Check TREE_CONSTANT.
3439         * tree-ssa-ccp.c (fold_stmt_r): Adjust comment.
3440         * c-tree.h (c_expr_to_decl): Drop third parameter.
3441         * c-typeck.c (build_external_ref): Don't set TREE_INVARIANT.
3442         (build_c_cast): Don't set TREE_INVARIANT.
3443         (pop_init_level): Don't set TREE_INVARIANT.
3444         (c_objc_common_truthvalue_conversion): Don't set TREE_INVARIANT.
3445         * gimplify.c (gimplify_init_ctor_preeval): Add assertion, test
3446         TREE_CONSTANT.
3447         (gimplify_init_constructor): Don't set TREE_INVARIANT.
3448         (gimplify_addr_expr): Adjust comment.
3449         * tree-mudflap.c (mf_build_string):
3450         * print-tree.c (print_node): Don't print TREE_INVARIANT.
3451         * tree-nested.c (convert_nonlocal_reference): Adjust comment.
3452         * c-common.c (fix_string_type): Don't set TREE_INVARIANT.
3453         * langhooks-def.h (lhd_expr_to_decl): Drop third parameter.
3454         * langhooks.c (lhd_expr_to_decl): Drop third parameter.
3455         * langhooks.h (struct lang_hooks): Drop third parameter from
3456         expr_to_decl.
3457
3458 2008-04-23  Richard Guenther  <rguenther@suse.de>
3459
3460         PR tree-optimization/27799
3461         PR tree-optimization/32921
3462         PR tree-optimization/32624
3463         * tree-ssa-structalias.c (merge_smts_into): Only merge the
3464         SMTs aliases and the tag itself into the solution.
3465         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Do not
3466         merge the points-to solution back into the SMT aliases.
3467         (may_alias_p): Use alias_set_subset_of instead of
3468         aliases_conflict_p.  A pointer which points to
3469         memory with alias set zero may access any variable.
3470
3471 2008-04-23  Richard Guenther  <rguenther@suse.de>
3472
3473         * alias.c (alias_set_subset_of): Correctly handle asking
3474         if zero is a subset of an alias set with zero child.
3475         * tree-ssa-alias.c (have_common_aliases_p): Simplify logic.
3476         (compute_flow_insensitive_aliasing): Correctly walk all
3477         pointers.  Do not unnecessarily union sets.
3478
3479 2008-04-23  Richard Guenther  <rguenther@suse.de>
3480
3481         PR middle-end/36021
3482         * c-common.c (handle_alloc_size_attribute): Use type_num_arguments.
3483
3484 2008-04-22  Tomas Bily  <tbily@suse.cz>
3485
3486         * tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as
3487         unreachable case.
3488         * tree-vrp.c (extract_range_from_unary_expr): Removed unused
3489         NON_LVALUE_EXPR.
3490         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
3491         * tree-ssa-structalias.c (get_constraint_for): Likewise.
3492         * tree-inline.c (estimate_num_insns_1): Likewise.
3493         * varasm.c (const_hash_1, compare_constant, copy_constant)
3494         (compute_reloc_for_constant, output_addressed_constants): Likewise.
3495         * emit-rtl.c (component_ref_for_mem_expr)
3496         (set_mem_attributes_minus_bitpos): Likewise.
3497         * expr.c (highest_pow2_factor, expand_expr_real_1, )
3498         (is_aligning_offset): Likewise.
3499         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info): Likewise.
3500         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
3501         * dojump.c (do_jump): Likewise.
3502         * builtins.c (get_pointer_alignment, get_memory_rtx)
3503         (integer_valued_real_p, fold_builtin_next_arg): Likewise.
3504         * tree-scalar-evolution.c (instantiate_parameters_1): Likewise.
3505
3506 2008-04-23  Jakub Jelinek  <jakub@redhat.com>
3507
3508         PR rtl-optimization/36017
3509         * builtins.c (expand_errno_check): Clear CALL_EXPR_TAILCALL before
3510         expanding the library call.
3511
3512 2008-04-22  Ian Lance Taylor  <iant@google.com>
3513
3514         * fold-const.c (pointer_may_wrap_p): Call int_size_in_bytes rather
3515         than size_in_bytes.
3516
3517 2008-04-22  Pat Haugen  <pthaugen@us.ibm.com>
3518
3519         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase cost
3520         of LR/CTR moves for Power6.
3521
3522 2008-04-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
3523
3524         PR middle-end/36003
3525         * passes.c (init_optimization_passes): Remove
3526         pass_fast_rtl_byte_dce.
3527
3528 2008-04-22  Uros Bizjak  <ubizjak@gmail.com>
3529
3530         PR target/29096
3531         * config/i386/xmmintrin.h (_mm_cvtpi16_ps): Rearrange calls to
3532         builtin functions to generate faster code.
3533         (_mm_cvtpu16_ps): Ditto.
3534         (_mm_cvtpi32x2_ps): Ditto.
3535
3536 2008-04-22  Nick Clifton  <nickc@redhat.com>
3537
3538         * common.opt (ftree-loop-distribution): Add Optimization
3539         attribute.
3540
3541         * config/frv/frv.c (frv_stack_info): Use crtl instead of cfun.
3542         (frv_expand_builtin_va_start): Likewise.
3543
3544         * config/arm/arm.c (thumb_find_work_register): Fix location of
3545         argument register count.
3546
3547 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
3548
3549         Support scheduling for ColdFire V1 and V3 microarchitecture.
3550         Improve scheduling of multiplication instructions.
3551
3552         * config/m68k/m68k.md (cpu): Add cfv1 and cfv3.  Rename cf_v2 to cfv1.
3553         (mac): New instruction attribute.
3554         * config/m68k/m68k.c (override_options): Handle cfv1, cfv3 and mac.
3555         (m68k_sched_mac): New variable.
3556         (m68k_sched_attr_type2, m68k_sched_md_init_global): Update.
3557         Handle cfv1 and cfv3.
3558         (max_insn_size): New static variable.
3559         (struct _sched_ib): New type.
3560         (sched_ib): New static variable.
3561         (sched_ib_size, sched_ib_filled, sched_ib_insn): Convert variables
3562         to fields of 'struct _sched_ib sched_ib'.  Update all uses.
3563         (m68k_sched_variable_issue): Add modeling of cfv3 instruction buffer.
3564         Update.
3565         (m68k_sched_md_init_global, m68k_sched_md_finish_global,
3566         m68k_sched_md_init, m68k_sched_md_finish): Handle cfv1 and cfv3.  Init
3567         new variables.  Update.
3568         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
3569         Add modeling of cfv3 instruction buffer.  Update.
3570         * config/m68k/m68k-protos.h (m68k_sched_mac): Declare.
3571         * config/m68k/m68k.h (TUNE_CFV3): New macro.
3572         * config/m68k/cf.md: Change substrings 'cf_v2' to 'cfv12' or 'cfv123'.
3573         (cf_* reservations): Rename to cfv12 or cfv123 to indicate cores
3574         a particular reservation applies to.
3575         (type2): Reorganize attribute values.  Rename alu to alu_reg,
3576         alu_l to alu, move_l to omove.  Join move to alu.  Split mul
3577         to mul_l and mul_w.
3578         (cf_ib_*): Simplify description of instruction buffer.
3579         (cf_ib_w0, cf_ib_w4, cf_ib_w5, cf_ib_w6): Remove.
3580         (cf_mem): Split into cf_mem1 and cf_mem2.
3581         (cf_v2_move_??): Rename to cfv12_alu_??.
3582         (cf_v2_move_l_??): Rename to cfv12_omove_??.
3583         (cf_v2_mul_??): Remove reservations.
3584         (cfv12_mul_l_??, cfv12_mul_w_??, cfv12_mac_w_??, cfv12_mac_l_??,
3585         cfv12_emac_??, cfv12_emac_w_i0): New reservations.
3586         (cfv12_rts, cfv12_call, cfv12_bcc, cfv12_bra, cfv12_jmp): Move to
3587         appropriate place.
3588         (cfv3_alu_10, cfv3_omove_10, cfv3_alu_i0, cfv3_omove_i0, cfv3_alu_01,
3589         cfv3_alu_0i, cfv3_alu_11, cfv3_omove_11, cfv3_alu_i1, cfv3_omove_i1,
3590         cfv3_alu_1i, cfv3_omove_1i, cfv3_pea_11, cfv3_pea_i1, cfv3_mul_w_10,
3591         cfv3_mul_l_10, cfv3_mul_w_i0, cfv3_mac_w_10, cfv3_mac_l_10,
3592         cfv3_mac_w_i0, cfv3_emac_10, cfv3_emac_w_i0, cfv3_rts, cfv3_call,
3593         cfv3_bcc, cfv3_bra, cfv3_jmp): New reservations.
3594         (cfv3_*_1, cfv3_*_2, cfv3_*_3): New instruction reservations that are
3595         expansions of the above reservations for instructions of sizes
3596         1, 2 and 3 words.
3597
3598 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
3599
3600         * rtl-factoring.c (collect_patterns_seqs): Handle CC0 targets.
3601
3602 2008-04-21  Adam Nemet  <anemet@caviumnetworks.com>
3603
3604         * coverage.c: Include tree-pass.h.
3605         (coverage_counter_alloc): Print da_file_name to the dump file.
3606
3607 2008-04-21  Kenneth Zadeck  <zadeck@naturalbridge.com>
3608
3609         * sbitmap.c (sbitmap_range_empty_p): New function.
3610         * sbitmap.h (sbitmap_range_empty_p): New function.
3611         * bitmap.h: Now includes obstack.h.
3612
3613 2008-04-21  Richard Sandiford  <rsandifo@nildram.co.uk>
3614             Kenneth Zadeck  <zadeck@naturalbridge.com>
3615
3616         * dbgcnt.def (ra_byte_scan): Added.
3617         * dbgcnt.c (dbg_cnt): Added code to print message to dump_file
3618         when the last hit happens for a counter.
3619         * timevar.def (TV_DF_BYTE_LR): New variable.
3620         * tree-pass.h (pass_fast_rtl_byte_dce): New pass.
3621         * passes.c (pass_fast_rtl_byte_dce): New pass.
3622         * fwprop.c (update_df): Added mode to call df_ref_create.
3623         Renamed DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
3624         DF_REF_EXTRACT_OFFSET.
3625         * df.h (DF_BYTE_LR, DF_BYTE_LR_BB_INFO, DF_BYTE_LR_IN,
3626         DF_BYTE_LR_OUT, df_byte_lr): New macro.
3627         (df_mm): New enum.
3628         (df_ref_extract): Added mode field.
3629         (DF_REF_WIDTH, DF_REF_OFFSET) Renamed to DF_REF_EXTRACT_WIDTH and
3630         DF_REF_EXTRACT_OFFSET.
3631         (DF_REF_EXTRACT_MODE): New macro.
3632         (df_byte_lr_bb_info): New structure.
3633         (df_print_byte_regset, df_compute_accessed_bytes,
3634         df_byte_lr_add_problem, df_byte_lr_get_regno_start,
3635         df_byte_lr_get_regno_len, df_byte_lr_simulate_defs,
3636         df_byte_lr_simulate_uses,
3637         df_byte_lr_simulate_artificial_refs_at_top,
3638         df_byte_lr_simulate_artificial_refs_at_end,
3639         df_compute_accessed_bytes): New function.
3640         (df_ref_create): Add parameter.
3641         (df_byte_lr_get_bb_info): New inline function.
3642         * df-scan.c (df_ref_record, df_uses_record,
3643         df_ref_create_structure): Added mode parameter.
3644         (df_ref_create, df_notes_rescan, df_ref_record, df_def_record_1,
3645         df_defs_record, df_uses_record, df_get_conditional_uses,
3646         df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect,
3647         df_entry_block_defs_collect, df_exit_block_uses_collect):
3648         Added mode parameter to calls to df_ref_record, df_uses_record,
3649         df_ref_create_structure.
3650         (df_ref_equal_p, df_ref_compare): Added test for modes.
3651         (df_ref_create_structure): Added code to set mode.  Renamed
3652         DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
3653         DF_REF_EXTRACT_OFFSET.
3654         * df-core.c (df_print_byte_regset): New function.
3655         * df-byte-scan.c: New file.
3656         * df-problems.c (df_rd_transfer_function): Removed unnecessary
3657         calls to BITMAP_FREE.
3658         (df_byte_lr_problem_data, df_problem problem_BYTE_LR): New structure.
3659         (df_byte_lr_get_regno_start, df_byte_lr_get_regno_len,
3660         df_byte_lr_set_bb_info, df_byte_lr_free_bb_info,
3661         df_byte_lr_check_regs, df_byte_lr_expand_bitmap,
3662         df_byte_lr_alloc, df_byte_lr_reset, df_byte_lr_bb_local_compute,
3663         df_byte_lr_local_compute, df_byte_lr_init,
3664         df_byte_lr_confluence_0, df_byte_lr_confluence_n,
3665         df_byte_lr_transfer_function, df_byte_lr_free,
3666         df_byte_lr_top_dump, df_byte_lr_bottom_dump,
3667         df_byte_lr_add_problem, df_byte_lr_simulate_defs,
3668         df_byte_lr_simulate_uses,
3669         df_byte_lr_simulate_artificial_refs_at_top,
3670         df_byte_lr_simulate_artificial_refs_at_end): New function.
3671         * dce.c (byte_dce_process_block): New function.
3672         (dce_process_block): au is now passed in rather than computed
3673         locally.  Changed loops that look at artificial defs to not look
3674         for conditional or partial ones, because there never are any.
3675         (fast_dce): Now is able to drive byte_dce_process_block or
3676         dce_process_block depending on the kind of dce being done.
3677         (rest_of_handle_fast_dce): Add parameter to fast_dce.
3678         (rest_of_handle_fast_byte_dce): New function.
3679         (rtl_opt_pass pass_fast_rtl_byte_dce): New pass.
3680         * Makefile.in (df-byte-scan.o, debugcnt.o): Added dependencies.
3681
3682 2008-04-21  Daniel Franke  <franke.daniel@gmail.com>
3683
3684         PR fortran/35019
3685         * gcc.h: Added fortran options that take arguments to
3686         DEFAULT_SWITCH_TAKES_ARG and DEFAULT_WORD_SWITCH_TAKES_ARG
3687         macros.
3688
3689 2008-04-20  Eric Botcazou  <ebotcazou@adacore.com>
3690
3691         * tree-sra.c (sra_walk_expr) <VIEW_CONVERT_EXPR>: Disable
3692         scalarization if on the LHS and not a full access.
3693
3694 2008-04-20  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3695
3696         * Makefile.in (s-gtyp-input): Remove tmp-gi.list before writing it.
3697
3698 2008-04-18  Rafael Espindola  <espindola@google.com>
3699
3700         * tree-vrp.c (find_case_label_index): Fix the binary search.
3701         (find_case_label_range): New.
3702         (vrp_visit_switch_stmt): Use find_case_label_range.
3703         (simplify_switch_using_ranges): Use find_case_label_range.
3704
3705 2008-04-18  Eric Botcazou  <ebotcazou@adacore.com>
3706
3707         * gimplify.c (gimplify_modify_expr_rhs) <COND_EXPR>: Gimplify the LHS
3708         using the is_gimple_lvalue predicate instead of is_gimple_min_lval.
3709
3710 2008-04-18  Tom Tromey  <tromey@redhat.com>
3711
3712         PR libcpp/15500:
3713         * doc/cpp.texi (Implementation-defined behavior): Mention
3714         -finput-charset.
3715
3716 2008-04-18  Ian Lance Taylor  <iant@google.com>
3717
3718         * fold-const.c (pointer_may_wrap_p): New static function.
3719         (fold_comparison): Add another test for pointer overflow.  Use
3720         pointer_may_wrap_p to disable some false positives.
3721
3722 2008-04-18  Kris Van Hees <kris.van.hees@oracle.com>
3723
3724         * c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros.
3725         (fname_as_string): Match updated cpp_interpret_string prototype.
3726         (fix_string_type): Support char16_t* and char32_t*.
3727         (c_common_nodes_and_builtins): Add char16_t and char32_t (and
3728         derivative) nodes.  Register as builtin if C++0x.
3729         (c_parse_error): Support CPP_CHAR{16,32}.
3730         * c-common.h (RID_CHAR16, RID_CHAR32): New elements.
3731         (enum c_tree_index) <CTI_CHAR16_TYPE, CTI_SIGNED_CHAR16_TYPE,
3732         CTI_UNSIGNED_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_SIGNED_CHAR32_TYPE,
3733         CTI_UNSIGNED_CHAR32_TYPE, CTI_CHAR16_ARRAY_TYPE,
3734         CTI_CHAR32_ARRAY_TYPE>: New elements.
3735         (char16_type_node, signed_char16_type_node, unsigned_char16_type_node,
3736         char32_type_node, signed_char32_type_node, char16_array_type_node,
3737         char32_array_type_node): New defines.
3738         * c-lex.c (cb_ident): Match updated cpp_interpret_string prototype.
3739         (c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
3740         (lex_string): Support CPP_STRING{16,32}, match updated
3741         cpp_interpret_string and cpp_interpret_string_notranslate prototypes.
3742         (lex_charconst): Support CPP_CHAR{16,32}.
3743         * c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32}
3744         and CPP_STRING{16,32}.
3745
3746 2008-04-18  Paolo Bonzini  <bonzini@gnu.org>
3747
3748         PR bootstrap/35457
3749         * aclocal.m4: Regenerate.
3750         * configure: Regenerate.
3751
3752 2008-04-18  Jan Hubicka  <jh@suse.cz>
3753
3754         * except.c (dw2_size_of_call_site_table,
3755         sjlj_size_of_call_site_table): Use vector API for call_site_record.
3756
3757         * cgraphbuild.c (build_cgraph_edges): Update.
3758         * tree-pass.h: Update comment.
3759         * final.c (leaf_function_p): Update.
3760         (leaf_renumber_regs): Update.
3761         (rest_of_clean_state): Update.
3762         * omp-low.c (expand_omp_parallel): Update.
3763         * ipa-reference.c (analyze_function): Update.
3764         * reorg.c (find_end_label): Update.
3765         (optimize_skip): Update.
3766         (fill_simple_delay_slots): Update.
3767         (fill_simple_delay_slots): Update.
3768         (make_return_insns): Update.
3769         (dbr_schedule): Update.
3770         * gimple-low.c (record_vars_into): Update.
3771         * cfgbuild.c (make_edges): Update.
3772         * function.c (assign_stack_local): Update.
3773         (assign_parm_adjust_stack_rtl): Update.
3774         (locate_and_pad_parm): Update.
3775         (allocate_struct_function): Do not initialize stack_alignment_needed
3776         and preferred_stack_boundary here.
3777         (stack_protect_prologue): Update.
3778         (stack_protect_epilogue): Update.
3779         (expand_function_start): Initialize stack_alignment_needed,
3780         preferred_stack_boundary and max_jumptable_ents.
3781         (expand_function_end): Update.
3782         (free_after_compilation): Do not NULLify epilogue_delay_list.
3783         * function.h (struct rtl_data): Add stack_protect_guard,
3784         stack_alignment_needed,
3785         preferred_stack_boundary, epilogue_delay_list.
3786         (struct function): Remove value_histograms, stack_alignment_needed,
3787         preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
3788         last_label_uid,
3789         unexpanded_var_list, stack_protect_guard.
3790         (current_function_epilogue_delay_list): Remove.
3791         * ipa-type-escape.c (analyze_function): Update.
3792         * gimplify.c (pop_gimplify_context): Update comment.
3793         * calls.c (expand_call): Update.
3794         (emit_library_call_value_1): Update.
3795         * except.c (set_nothrow_function_flags): Update.
3796         * cfgexpand.c (get_decl_align_unit): Update.
3797         (create_stack_guard): Update.
3798         (estimated_stack_frame_size): Update.
3799         (expand_used_vars): Update.
3800         (tree_expand_cfg): Free histogram earliers, init expansion variables.
3801         * explow.c (allocate_dynamic_stack_space): Update.
3802         * tree-ssa-live.c (remove_unused_locals): Update.
3803         * varasm.c (mark_constant_pool): Update.
3804         * tree-inline.c (remap_decls): Update.
3805         (initialize_cfun): Update.
3806         (declare_return_variable): Update.
3807         (inline_forbidden_p): Update.
3808         (expand_call_inline): Update.
3809         (declare_inline_vars): Update.
3810         (tree_function_versioning): Update.
3811         * tree-flow.h (value_histograms): New.
3812         (VALUE_HISTOGRAMS): New macro.
3813         * basic-block.h (control_flow_graph): Add max_jumptable_ents,
3814         last_label_uid.
3815         * tree-cfg.c (set_bb_for_stmt): Update.
3816         (replace_by_duplicate_decl): Update.
3817         (move_block_to_fn): Update.
3818         (new_label_mapper): Update.
3819         (dump_function_to_file): Update.
3820         * ipa-struct-reorg.c (build_data_structure): Update.
3821         * cfgrtl.c (print_rtl_with_bb): Update.
3822         * reload1.c (reload): Update.
3823         (reload): Update.
3824         * config/i386/i386.c (setup_incoming_varargs_64,
3825         ix86_compute_frame_layout): Update.
3826         * config/arc/arc.c (arc_output_function_epilogue): Update.
3827
3828 2008-04-18  Marius Strobl <marius@FreeBSD.org>
3829
3830         * gthr-posix.h (__gthread_active_p): Use the Solaris implementation
3831         for FreeBSD as well.
3832         * gthr-posix95.h: Likewise.
3833
3834 2008-04-17  Richard Sandiford  <rsandifo@nildram.co.uk>
3835
3836         PR rtl-optimization/35838
3837         * dse.c (find_shift_sequence): Use subreg_lowpart_offset to work
3838         out the byte offset of the first subreg.
3839
3840 2008-04-17  Uros Bizjak  <ubizjak@gmail.com>
3841
3842         * config/i386/i386.md (addti3 splitter): Pass arrays of 3 operands
3843         to split_ti instead of three separate calls with single member arrays.
3844         (subti3 splitter): Ditto.
3845         (adddi3 splitter): Ditto with split_di.
3846         (subdi3 splitter): Ditto.
3847         (negti2 splitter): Pass arrays of 2 operands to split_ti instead of
3848         two separate calls with single member arrays.  Swap match_dup
3849         operands 1 and 2 to better fit into the array.
3850         (negdi2 splitter): Ditto with split_di.
3851         (movdfcc splitter):  Pass arrays of 2 operands to split_di instead of
3852         two separate calls with single member arrays.  Swap match_dup operands
3853         6 and 7 to better fit into the array.
3854
3855 2008-04-17  H.J. Lu  <hongjiu.lu@intel.com>
3856
3857         * config/i386/i386.c (sse_builtin_type): New.
3858         (bdesc_sse_args): Likewise.
3859         (bdesc_sse_3arg): Removed.
3860         (bdesc_2arg): Remove IX86_BUILTIN_AESKEYGENASSIST128.
3861         (bdesc_1arg): Remove IX86_BUILTIN_ROUNDPD and
3862         IX86_BUILTIN_ROUNDPS.
3863         (ix86_init_mmx_sse_builtins): Handle bdesc_sse_args.  Remove
3864         bdesc_sse_3arg.  Remove IX86_BUILTIN_ROUNDPD and
3865         IX86_BUILTIN_ROUNDPS.
3866         (ix86_expand_sse_4_operands_builtin): Removed.
3867         (ix86_expand_sse_operands_builtin): New.
3868         (ix86_expand_unop_builtin): Remove CODE_FOR_sse4_1_roundpd
3869         and CODE_FOR_sse4_1_roundps.
3870         (ix86_expand_builtin): Remove IX86_BUILTIN_AESKEYGENASSIST128.
3871         Handle bdesc_sse_args.  Remove bdesc_sse_3arg.
3872
3873 2008-04-17  Alan Modra  <amodra@bigpond.net.au>
3874
3875         PR target/35907
3876         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Restore vr and vrsave
3877         regs before frame pop when needed.  If use_backchain_to_restore_sp
3878         then load backchain into a temp reg to restore vr and vrsave.  Add
3879         code to restore vr after frame pop if possible.
3880
3881 2008-04-17  Richard Guenther  <rguenther@suse.de>
3882
3883         * tree-vn.c (expressions_equal_p): Do not check type
3884         equality or compatibility before calling operand_equal_p.
3885         * fold-const.c (operand_equal_p): Check equivalence of
3886         integer constants before bailing out due to signedness or
3887         precision differences.
3888         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ignore
3889         spurious differences in type qualification.  Ignore types
3890         for COMPONENT_REFs at all.
3891
3892 2008-04-17  Christian Bruel  <christian.bruel@st.com>
3893
3894         * config/sh/sh.c (expand_cbranchdi4): Use original operands for
3895         msw_skip comparison.
3896
3897 2008-04-16  Jakub Jelinek  <jakub@redhat.com>
3898
3899         PR c/35739
3900         * tree-nrv.c (tree_nrv): Don't optimize if result_type is GIMPLE
3901         reg type.
3902
3903         PR tree-optimization/35899
3904         * tree-inline.c (expand_call_inline): Use GIMPLE_STMT_OPERAND
3905         rather than TREE_OPERAND.
3906
3907 2008-04-16  Uros Bizjak  <ubizjak@gmail.com>
3908
3909         PR target/35944
3910         * config/i386/i386.md (fmodxf3): Copy operand 1 and operand 2 into
3911         temporary registers.  Change operand predicate to general_operand.
3912         (remainderxf3): Ditto.
3913
3914 2008-04-16  Richard Guenther  <rguenther@suse.de>
3915
3916         * Makefile.in (tree-affine.o): Add $(FLAGS_H) dependency.
3917         * tree-affine.c (aff_combination_expand): Look through some
3918         conversions.
3919
3920 2008-04-15  Doug Kwan  <dougkwan@google.com>
3921
3922         * dwarf2asm.c (dw2_assemble_integer): Cast to unsigned HOST_WIDE_INT
3923         for hex printing.
3924         * tree-pretty-print.c (dump_generic_node): Ditto.
3925         * final.c (output_addr_const): Ditto.
3926         * dwarf2out.c (output_cfi): Ditto.
3927         * c-pretty-print.c (pp_c_integer_constant): Ditto.
3928         * print-rtl.c (print_rtx): Ditto.
3929         * print-tree.c (print_node_brief, print_node): Ditto.
3930         * c-common.c (match_case_to_enum_1): Ditto.
3931         * sched-vis.c (print_value): Ditto.
3932         * config/i386/i386.c (print_operand): Cast to long unsigned int
3933         for hex printing.
3934
3935 2008-04-15  Danny Smith  <dannysmith@users.sourceforge.net>
3936         * libgcc2.c [L_trampoline]: Remove  unnecessary prototype for
3937         MS Windows VirtualProtect function.
3938
3939 2008-04-15  Jan Hubicka  <jh@suse.cz>
3940
3941         * gengtype.c (write_root): Param_is argument is OK.
3942         * expr.c (expand_expr_real_1): Update call of get_exception_*.
3943         * function.h: Include varray.h
3944         (rtl_eh): New stucture based on except.c one.
3945         (call_site_record): New forward declaration and vector type.
3946         * calls.c (emit_call_1): Do not call
3947         note_current_region_may_contain_throw.
3948         * except.c (eh_status): Remove cur_region, try_region since they are
3949         unused.
3950         Move filter, exc_ptr, ttype_data, ehspec_data, action_record_data and
3951         exception_handler_label_map, ehr_stackadj, ehr_handler, ehr_label,
3952         sjlj_fc, sjlj_exit_after to rth_eh in function.h.
3953         Remove call_site_data_used, call_site_data_size.
3954         Turn call_site_record into vector in function.h.
3955         (note_current_region_may_contain_throw): Remove.
3956         (get_exception_pointer, get_exception_filter): Do not take struct
3957         function argument; update.
3958         (add_ehl_entry, find_exception_handler_labels, ehspec_filter_hash,
3959         add_ttypes_entry, add_ehspec_entry, assign_filter_values,
3960         build_post_landing_pads, dw2_build_landing_pads,
3961         sjlj_assign_call_site_values, sjlj_mark_call_sites,
3962         sjlj_emit_function_enter, sjlj_emit_function_enter,
3963         sjlj_emit_function_exit, sjlj_emit_dispatch_table,
3964         sjlj_build_landing_pads, finish_eh_generation,
3965         remove_exception_handler_label, remove_eh_handler,
3966         maybe_remove_eh_handler, add_reachable_handler,
3967         reachable_handlers, expand_builtin_eh_return, expand_eh_return,
3968         add_action_record, collect_one_action_chain, add_call_site,
3969         convert_to_eh_region_ranges, sjlj_size_of_call_site_table,
3970         sjlj_output_call_site_table, output_function_exception_table,
3971         * except.h (note_current_region_may_contain_throw): Remove
3972         (get_exception_pointer, get_exception_filter): Do not take struct
3973         function argument.
3974         * Makefile.in (GTFILES): Put varargs before struct function.
3975
3976 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
3977
3978         * tree-ssa-structalias.c (get_constraint_for_component_ref): Do not
3979         punt for STRING_CST.
3980         (get_constraint_for): Deal with STRING_CST here instead.
3981
3982 2008-04-15  Richard Guenther  <rguenther@suse.de>
3983
3984         * tree-ssa-propagate.c (substitute_and_fold): Substitute
3985         statements in a basic-block with a backward walk.  Do not
3986         substitute into dead statements but instead remove those.
3987
3988 2008-04-15  Richard Guenther  <rguenther@suse.de>
3989
3990         * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Set default
3991         to zero, thus disable creation of SFTs.
3992
3993 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
3994
3995         * tree-predcom.c (suitable_reference_p): Return false if the
3996         reference can throw.
3997
3998 2008-04-15  Jakub Jelinek  <jakub@redhat.com>
3999
4000         PR c/35751
4001         * c-decl.c (finish_decl): If extern or static var has variable
4002         size, set TREE_TYPE (decl) to error_mark_node.
4003
4004 2008-04-15  Rafael Espindola  <espindola@google.com>
4005
4006         * fold-const.c (tree_call_nonnegative_warnv_p): Remove local
4007         variable arg1.
4008
4009 2008-04-15  Richard Guenther  <rguenther@suse.de>
4010
4011         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
4012         * tree-ssa-sccvn.c (vn_reference_lookup): New parameter maywalk.
4013         (visit_reference_op_load): Do walk vuse-vdef chains on
4014         vn_reference_lookup.
4015         (visit_reference_op_store): But do not here.
4016         * tree-vn.c (vn_lookup): Do not walk vuse-vdef chains on
4017         vn_reference_lookup.
4018         (vn_lookup_with_vuses): But do so here.
4019
4020 2008-04-14  Ian Lance Taylor  <iant@google.com>
4021
4022         * fold-const.c (fold_overflow_warning): Remove assertion.
4023
4024 2008-04-15  Ben Elliston  <bje@au.ibm.com>
4025
4026         * config/alpha/alpha.c (alpha_initialize_trampoline): Remove temp,
4027         temp1 local variables.
4028
4029 2008-04-15  Zuxy Meng  <zuxy.meng@gmail.com>
4030
4031         PR target/35661
4032         * config/i386/winnt.c (i386_pe_section_type_flags): Mark
4033         ".text.unlikely" section as executable.
4034
4035 2008-04-14  James E. Wilson  <wilson@tuliptree.org>
4036
4037         * config/ia64/ia64.c (rtx_needs_barrier): Handle
4038         UNSPEC_FR_SQRT_RECIP_APPROX_RES.
4039         * config/ia64/ia64.c (UNSPEC_FR_SQRT_RECIP_APPROX_RES): Define.
4040         (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr,
4041         divsf3_internal_lat, sqrt_approx, sqrtsf2_internal_thr,
4042         divdf3_internal_lat, sqrtdf2_internal_thr, divxf3_internal_lat,
4043         divxf3_internal_thr, sqrtxf2_internal_thr, recip_approx): Use it.
4044
4045 2008-04-14  Ian Lance Taylor  <iant@google.com>
4046
4047         * flags.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Define.
4048         * fold-const.c (fold_comparison): If appropriate, test
4049         POINTER_TYPE_OVERFLOW_UNDEFINED, and issue an overflow warning.
4050         (fold_binary): Test POINTER_TYPE_OVERFLOW_UNDEFINED when
4051         reassociating a pointer type.
4052         * doc/invoke.texi (Optimize Options): Document that
4053         -fstrict-overflow applies to pointer wraparound.
4054
4055 2008-04-13  Jan Hubicka  <jh@suse.cz>
4056
4057         * m32.c (m32c_pushm_popm): Use crtl->retrun_rtx.
4058
4059 2008-04-12  Andrew Pinski  <pinskia@gmail.com>
4060
4061         * config/rs6000/rs6000.c (compute_save_world_info): Set lr_save_p if
4062         we are going to "save the world".
4063
4064 2008-04-13  Hans-Peter Nilsson  <hp@axis.com>
4065
4066         * config/cris/cris.md ("*andhi_lowpart_non_v32", "*andhi_lowpart_v32")
4067         ("*andqi_lowpart_non_v32", "*andqi_lowpart_v32"): Use "+" for the
4068         operand 0 constraint, not "=".
4069
4070 2008-04-11  James E. Wilson  <wilson@tuliptree.org>
4071
4072         * system.h: Change ASSERT_CHECKING to ENABLE_ASSERT_CHECKING.
4073
4074 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
4075
4076         * dse.c (record_store): Use HOST_BITS_PER_WIDE_INT instead
4077         of size of positions_needed * CHAR_BIT.
4078
4079 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
4080
4081         PR middle-end/35897
4082         * dse.c (store_info): Change positions_needed to unsigned
4083         HOST_WIDE_INT.
4084         (lowpart_bitmask): New.
4085         (record_store): Cast to unsigned HOST_WIDE_INT for
4086         positions_needed.  Assert width <= size of positions_needed *
4087         CHAR_BIT.  Call lowpart_bitmask to initialize positions_needed.
4088         (check_mem_read_rtx): Use unsigned HOST_WIDE_INT on mask.  Call
4089         lowpart_bitmask to set mask.
4090
4091 2008-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
4092
4093         * config/bfin/constraints.md: New file.
4094         * config/bfin/bfin.md: Include it.
4095         (adddi3): Use satisfies_constraint functions instead of the old macros.
4096         * config/bfin/bfin.h (REG_CLASS_FROM_LETTER, CONSTRAINT_LEN,
4097         CONST_18UBIT_IMM_P, CONST_16BIT_IMM_P, CONST_16UBIT_IMM_P,
4098         CONST_7BIT_IMM_P, CONST_7NBIT_IMM_P, CONST_5UBIT_IMM_P,
4099         CONST_4BIT_IMM_P, CONST_4UBIT_IMM_P, CONST_3BIT_IMM_P,
4100         CONST_3UBIT_IMM_P, CONST_OK_FOR_K, CONST_OK_FOR_P, CONST_OK_FOR_M,
4101         CONST_OK_FOR_CONSTRAINT_P, CONST_DOUBLE_OK_FOR_LETTER,
4102         EXTRA_CONSTRAINT): Delete.
4103         * config/bfin/predicates.md (highbits_operand, reg_or_7bit_operand,
4104         reg_or_neg7bit_operand): Use satisfies_constraint functions instead
4105         of the old macros.
4106         * config/bfin/bfin.c: Include "tm-constrs.h".
4107         (bfin_secondary_reload, split_load_immediate, bfin_rtx_costs):
4108         Use satisfies_constraint functions instead of the old macros.
4109         * doc/md.texi (Blackfin Constraints): Update file name reference.
4110
4111 2008-04-11  Richard Guenther  <rguenther@suse.de>
4112
4113         PR tree-optimization/35869
4114         * tree-vrp.c (execute_vrp): Move switch statement update after
4115         jump threading.  Schedule another cfg cleanup run.
4116
4117 2008-04-11  Volker Reichelt  <v.reichelt@netcologne.de>
4118
4119         PR c/35744
4120         * attribs.c (decl_attributes): Return early on errorneous node.
4121
4122 2008-04-10  Oleg Ryjkov  <olegr@google.com>
4123
4124         * tree.h (struct tree_base): Added a new flag default_def_flag.
4125         (SSA_NAME_IS_DEFAULT_DEF): Changed to use the new flag.
4126
4127 2008-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
4128
4129         * config.gcc (need_64bit_hwint): Need 64bit hwint for sh-*-*.
4130
4131 2008-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4132
4133         PR target/35768
4134         * pa.md: Define mode iterator P.  Define mode attribute dwc.
4135         (dcacheflush): Update pattern to use iterator P and attribute dwc.
4136         (icacheflush): Likewise.
4137         * pa.h (INITIALIZE_TRAMPOLINE): Use dcacheflushsi/icacheflushsi if
4138         !TARGET_64BIT, and dcacheflushdi/icacheflushdi if TARGET_64BIT.
4139
4140 2008-04-11  Ben Elliston  <bje@au.ibm.com>
4141
4142         * config/spu/spu.c (spu_init_builtins): Mark builtins as nothrow.
4143
4144 2008-04-10  Rafael Espindola  <espindola@google.com>
4145
4146         * tree-vrp.c (extract_range_from_binary_expr): Don't handle
4147         TRUTH_ANDIF_EXPR or TRUTH_ORIF_EXPR.
4148         (extract_range_from_expr): The same.
4149
4150 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
4151
4152         * config/mips/mips.md (GPR2): New mode iterator.
4153         (seq): Add comment.
4154         (*seq_<mode>, *seq_<mode>_mips16, *sne_<mode>, *sgt<u>_<mode>,
4155         *sgt<u>_<mode>_mips16, *sge<u>_<mode>, *slt<u>_<mode>,
4156         *slt<u>_<mode>_mips16 *sle<u>_<mode>, *sle<u>_<mode>_mips16):
4157         Rewrite these to take two modes, the mode of comparison and the
4158         mode of the destination.
4159         * config/mips/mips.c (mips_expand_scc): Instead of having
4160         paradoxical subreg as destination, expand "narrowing" scc if mode
4161         of comparison is SI and target is requested in DI mode.
4162         (mips_emit_int_order_test): Update comment.  Make mode of
4163         comparison match CMP0 rather than TARGET.  When creating inverse
4164         target use mode of TARGET.
4165
4166 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
4167
4168         * gcov-dump.c (tag_summary): Only print summaries for the first
4169         GCOV_COUNTERS_SUMMABLE counters.
4170
4171 2008-04-10  Uros Bizjak  <ubizjak@gmail.com>
4172
4173         * config/i386/i386.md (absneg): New code iterator.
4174         (absnegprefix): New code attribute.
4175         (<code><mode>2): Macroize expander from abs<mode>2 and neg<mode>2
4176         patterns using absneg code iterator.
4177         (<code>tf2): Macroize expander from abstf2 and negtf2 patterns
4178         using absneg code iterator.
4179         (*<code><mode>2_1): Macroize insn pattern from *abs<mode>2_1 and
4180         *neg<mode>2 patterns using absneg code iterator.
4181         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
4182         *negextendsfdf2 patterns using absneg code iterator.
4183         (*<code>extendsfxf2): Macroize insn pattern from *absextendsfxf2 and
4184         *negextendsfxf2 patterns using absneg code iterator.
4185         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
4186         *negextendsfdf2 patterns using absneg code iterator.
4187         * config/i386/sse.md (<code><mode>2): Macroize expander from
4188         abs<mode>2 and neg<mode>2 patterns using absneg code iterator.
4189
4190 2008-04-10  Andreas Krebbel  <krebbel1@de.ibm.com>
4191
4192         * config/s390/s390.h: Remove the remains of the recent search
4193         & replace action of current_function_outgoing_args_size.
4194
4195 2008-04-10  Ira Rosen  <irar@il.ibm.com>
4196
4197         PR tree-optimization/35821
4198         * tree-vect-transform.c (vect_create_data_ref_ptr): Add check that
4199         NEW_STMT_LIST is not NULL.
4200
4201 2008-04-09  David Edelsohn  <edelsohn@gnu.org>
4202
4203         PR libstdc++/35597
4204         * toplev.c (process_options): Remove -ffunction-sections debugging
4205         warning.
4206
4207 2008-04-09  Peter Bergner  <bergner@vnet.ibm.com>
4208
4209         PR middle-end/PR28690
4210         * explow.c (break_out_memory_refs): Use simplify_gen_binary rather
4211         than gen_rtx_fmt_ee to perform more canonicalizations.
4212
4213 2008-04-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4214
4215         PR driver/35665
4216         * collect2.c (write_c_file): Don't wrap in "#ifdef __cplusplus".
4217
4218 2008-04-09  Richard Guenther  <rguenther@suse.de>
4219
4220         * tree-cfg.c (verify_stmt): Print complete bogus stmt.
4221         (dump_function_to_file): Dump function arguments with types.
4222
4223 2008-04-08  Richard Guenther  <rguenther@suse.de>
4224
4225         * fold-const.c (fold_widened_comparison): Do not allow
4226         sign-changes that change the result.
4227
4228 2008-04-08  Janis Johnson  <janis187@us.ibm.com>
4229
4230         PR target/35839
4231         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle additional
4232         kinds of indirect references.
4233
4234 2008-04-08  David Edelsohn  <edelsohn@gnu.org>
4235
4236         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update
4237         GNU Fortran language string.
4238
4239 2008-04-08  Rafael Espindola  <espindola@google.com>
4240
4241         * fold-canst.c (tree_call_nonnegative_warnv_p): New.
4242         (tree_invalid_nonnegative_warnv_p): Use tree_call_nonnegative_warnv_p.
4243         * tree.h (tree_call_nonnegative_warnv_p): New.
4244
4245 2008-04-08  Jan Hubicka  <jh@suse.cz>
4246
4247         * function.c (free_after_compilation): Clear out regno_reg_rtx
4248         pointer.
4249
4250 2008-04-08  Peter Bergner  <bergner@vnet.ibm.com>
4251
4252         Revert
4253         2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
4254
4255         PR middle-end/PR28690
4256         * rtlanal.c: (commutative_operand_precedence): Give SYMBOL_REF's the
4257         same precedence as REG_POINTER and MEM_POINTER operands.
4258
4259 2008-04-08  Richard Guenther  <rguenther@suse.de>
4260
4261         PR middle-end/35834
4262         * tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR
4263         for adding index to base.
4264
4265 2008-04-08  Kai Tietz  <kai.tietz@onevision.com>
4266
4267         * config/i386/mingw32.h (ENABLE_EXECUTE_STACK): New.
4268         (MINGW_ENABLE_EXECUTE_STACK): New.
4269         (IN_LIBGCC2): For libgcc include windows.h file for
4270         function declarations.
4271
4272 2008-04-08  Hans-Peter Nilsson  <hp@axis.com>
4273
4274         * config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1
4275         and tem2 if tem1 is not a REG or MULT.
4276
4277 2008-04-08  Jan Hubicka  <jh@suse.cz>
4278
4279         * function.h (incomming_args): Break out of struct function.
4280         (function_subsections): Break out of struct function.
4281         (rtl_data): Add args, subsections fields. Break out outgoing_args_size,
4282         return_rtx and hard_reg_initial_vals from struct function.
4283         Kill inl_max_label_num.
4284         (current_function_pops_args, current_function_args_info,
4285         current_function_args_size, current_function_args_size,
4286         current_function_pretend_args_size,
4287         current_function_outgoing_args_size,
4288         current_function_internal_arg_pointer, current_function_return_rtx):
4289         Kill compatibility accestor macros.
4290         * builtins.c (expand_builtin_apply_args_1): Update.
4291         (expand_builtin_next_arg): Update.
4292         * df-scan.c (df_get_call_refs): Update.
4293         * dbxout.c (dbxout_function_end): Update.
4294         * dwarf2out.c (dwarf2out_switch_text_section): Update.
4295         (output_line_info): Update.
4296         (secname_for_decl): Update.
4297         (dwarf2out_var_location): Update.
4298         * function.c (free_after_compilation): Update.
4299         (assign_parm_find_stack_rtl): Update.
4300         (assign_parms): Update.
4301         (expand_dummy_function_end): Update.
4302         (expand_function_end): Update.
4303         * calls.c (mem_overlaps_already_clobbered_arg_p): Update.
4304         (expand_call): Update.
4305         (emit_library_call_value_1): Update.
4306         (store_one_arg): Update.
4307         * varasm.c (initialize_cold_section_name): Update.
4308         (unlikely_text_section): Update.
4309         (unlikely_text_section_p): Update.
4310         (assemble_start_function): Update.
4311         (assemble_end_function): Update.
4312         (default_section_type_flags): Update.
4313         (switch_to_section): Update.
4314         * integrate.c (set_decl_abstract_flags): Update.
4315         (get_hard_reg_initial_val): Update.
4316         (has_hard_reg_initial_val): Update.
4317         (allocate_initial_values): Update.
4318         * resource.c (init_resource_info): Update.
4319         * config/alpha/alpha.c (NUM_ARGS): Update.
4320         (direct_return): Update.
4321         (alpha_va_start): Update.
4322         (alpha_sa_size): Update.
4323         (alpha_initial_elimination_offset): Update.
4324         (alpha_expand_prologue): Update.
4325         (alpha_start_function): Update.
4326         (alpha_expand_epilogue): Update.
4327         (unicosmk_initial_elimination_offset):
4328         * config/alpha/alpha.md (call expander): Update.
4329         * config/s390/s390.c (s390_register_info): Update.
4330         (s390_register_info): Update.
4331         (s390_frame_info): Update.
4332         (s390_initial_elimination_offset): Update.
4333         (s390_build_builtin_va_list): Update.
4334         (s390_va_start): Update.
4335         * config/spu/spu.c (direct_return): Update.
4336         (spu_expand_prologue): Update.
4337         (spu_initial_elimination_offset): Update.
4338         (spu_build_builtin_va_list): Update.
4339         (spu_va_start): Update.
4340         * config/sparc/sparc.c (sparc_init_modes): Update.
4341         (sparc_compute_frame_size): Update.
4342         (function_value): Update.
4343         * config/m32r/m32r.c (m32r_compute_frame_size): Update.
4344         * config/i386/i386.md (return expander): Update.
4345         * config/i386/i386.c (ix86_va_start): Update.
4346         (ix86_can_use_return_insn_p): Update.
4347         (ix86_compute_frame_layout): Update.
4348         (ix86_expand_epilogue): Update.
4349         * config/sh/sh.c (output_stack_adjust): Update.
4350         (calc_live_regs): Update.
4351         (sh_expand_prologue): Update.
4352         (sh_builtin_saveregs): Update.
4353         (sh_va_start): Update.
4354         (initial_elimination_offset): Update.
4355         (sh_allocate_initial_value): Update.
4356         (sh_function_ok_for_sibcall): Update.
4357         (sh_get_pr_initial_val): Update.
4358         * config/sh/sh.md (return expander): Update.
4359         * config/avr/avr.c (frame_pointer_required_p): UPdate.
4360         * config/crx/crx.c (crx_compute_frame): UPdate.
4361         (crx_initial_elimination_offset): UPdate.
4362         * config/xtensa/xtensa.c (compute_frame_size): Update
4363         (xtensa_builtin_saveregs): Update.
4364         (xtensa_va_start): Update.
4365         (order_regs_for_local_alloc): Update.
4366         * config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update.
4367         (xstormy16_expand_builtin_va_start): Update.
4368         * config/fr30/fr30.c (fr30_compute_frame_size): Update.
4369         * config/m68hc11/m68hc11.md (return expanders): Update.
4370         * config/m68hc11/m68hc11.c (expand_prologue): Update.
4371         (expand_epilogue): Update.
4372         * config/cris/cris.c (cris_initial_frame_pointer_offset): Update.
4373         (cris_simple_epilogue): Update.
4374         (cris_expand_prologue): Update.
4375         (cris_expand_epilogue): Update.
4376         * config/iq2000/iq2000.c (iq2000_va_start): Update.
4377         (compute_frame_size): Update.
4378         * config/mt/mt.c (mt_compute_frame_size): Update.
4379         * config/mn10300/mn10300.c (expand_prologue): Update.
4380         (expand_epilogue): Update.
4381         (initial_offset): Update.
4382         (mn10300_builtin_saveregs):
4383         * config/mn10300/mn10300.md (return expander): Update.
4384         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
4385         (ia64_initial_elimination_offset): Update.
4386         (ia64_initial_elimination_offset): Update.
4387         (ia64_expand_prologue): Update.
4388         * config/m68k/m68k.md (return expander): Update.
4389         * config/rs6000/rs6000.c (rs6000_va_start): Update.
4390         (rs6000_stack_info): Update.
4391         * config/mcore/mcore.c (layout_mcore_frame): Update.
4392         (mcore_expand_prolog): Update.
4393         * config/arc/arc.c (arc_compute_frame_size): Update.
4394         * config/score/score3.c (score3_compute_frame_size): Update.
4395         * config/score/score7.c (score7_compute_frame_size): Update.
4396         * config/arm/arm.c (use_return_insn): Update.
4397         (thumb_find_work_register): Update.
4398         (arm_compute_save_reg_mask): Update.
4399         (arm_output_function_prologue): Update.
4400         (arm_output_epilogue): Update.
4401         (arm_size_return_regs): Update.
4402         (arm_get_frame_offsets): Update.
4403         (arm_expand_prologue): Update.
4404         (thumb_exit): Update.
4405         (thumb_unexpanded_epilogue): Update.
4406         (thumb1_output_function_prologue): Update.
4407         * config/pa/pa.md (return expander): Update.
4408         * config/pa/pa.c (compute_frame_size): Update.
4409         (hppa_builtin_saveregs): Update.
4410         * config/mips/mips.c (mips_va_start): Update.
4411         (mips16_build_function_stub): Update.
4412         (mips_compute_frame_info): Update.
4413         (mips_restore_gp): Update.
4414         (mips_output_function_prologue): Update.
4415         (mips_expand_prologue): Update.
4416         * config/v850/v850.c (compute_frame_size): Update.
4417         (expand_prologue): * config/mmix/mmix.c (along): update.
4418         (mmix_initial_elimination_offset): update.
4419         (mmix_reorg): update.
4420         (mmix_use_simple_return): update.
4421         (mmix_expand_prologue): update.
4422         (mmix_expand_epilogue): Update.
4423         * config/bfin/bfin.c (bfin_initial_elimination_offset): Update.
4424         (emit_link_insn): Update.
4425
4426 2008-04-08  Anatoly Sokolov <aesok@post.ru>
4427
4428         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define
4429         __AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL
4430         instructions.
4431         * config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for
4432         atmega103 device.
4433
4434 2008-04-07  Jan Hubicka  <jh@suse.cz>
4435
4436         * function.h (rtl): Rename to x_rtl.
4437         (crtl): New define.
4438         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
4439         frame_offset, stack_check_probe_note, arg_pointer_save_area,
4440         used_temp_slots avail_temp_slots, temp_slot_level,
4441         nonlocal_goto_handler_labels): Update accesstors.
4442         (rtl): New global variable.
4443         (struct function): Move some fileds to rtl_data.
4444         (get_arg_pointer_save_area): Update prototype.
4445         * builtins.c (expand_builtin_setjmp_receiver): Update call of
4446         get_arg_pointer_save_area.
4447         * expr.c (init_expr): Update
4448         * function.c (get_frame_size): Update
4449         (assign_stack_local): Update
4450         (expand_function_end): Update.
4451         (get_art_pointer_save_area): Update
4452         * function.h
4453         * emit-rtl.c (rtl): Declare.
4454         (regno_reg_rtx): Declare.
4455         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
4456         Update.
4457         (gen_reg_rtx): Update.
4458         * varasm.c (n_deferred_constatns): Update accestor.
4459         (init_varasm_status): Do not allocate varasm_status.
4460         (force_const_mem, get_pool_size, output_constant_pool): Update.
4461         * stmt.c (force_label_rtx): Do not use x_ prefixes.
4462         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
4463         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
4464         * sparc/sparc.h (INIT_EXPANDERS): Update.
4465         * ia64/ia64.h (INIT_EXPANDERS): Update.
4466
4467 2008-04-07  James E. Wilson  <wilson@tuliptree.org>
4468
4469         * reload.c (push_secondary_reload): Add missing break to for loop.
4470
4471 2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
4472
4473         PR middle-end/PR28690
4474         * rtlanal.c: Update copyright years.
4475         (commutative_operand_precedence): Give SYMBOL_REF's the same precedence
4476         as REG_POINTER and MEM_POINTER operands.
4477         * emit-rtl.c (gen_reg_rtx_and_attrs): New function.
4478         (set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
4479         * rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
4480         * gcse.c: Update copyright years.
4481         (pre_delete): Call gen_reg_rtx_and_attrs.
4482         (hoist_code): Likewise.
4483         (build_store_vectors): Likewise.
4484         (delete_store): Likewise.
4485         * loop-invariant.c (move_invariant_reg): Likewise.
4486         Update copyright years.
4487
4488 2008-04-07  Uros Bizjak  <ubizjak@gmail.com>
4489
4490         * config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
4491         control string instead of quoted.
4492
4493 2008-04-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
4494
4495         * doc/rtl.texi: Rewrite of subreg section.
4496
4497 2008-04-07  Kai Tietz  <kai.tietz@onevision.com>
4498
4499         PR/35842
4500         * config/i386/i386.c (legitimize_pic_address): Add treating
4501         of dllimport SYM_REF's.
4502         (legitimize_dllimport_symbol): Add prototype.
4503
4504 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
4505
4506         * fold-const.c (fold) <ARRAY_REF>: New case.  Try to fold constant
4507         reference in constructor with non self-referential type.
4508
4509 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
4510
4511         Removal of Return with Depressed Stack Pointer support
4512         * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
4513         (ECF_SP_DEPRESSED): Likewise.
4514         (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
4515         * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
4516         (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
4517         (expand_call): Do not test ECF_SP_DEPRESSED.
4518         * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
4519         * function.c (keep_stack_depressed): Delete.
4520         (handle_epilogue_set): Likewise.
4521         (update_epilogue_consts): Likewise.
4522         (emit_equiv_load): Likewise.
4523         (thread_prologue_and_epilogue_insns): Remove support for Return with
4524         Depressed Stack Pointer.
4525         * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
4526
4527 2008-04-06  Richard Guenther  <rguenther@suse.de>
4528
4529         PR tree-optimization/35400
4530         * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
4531         information from SSA_NAMEs.
4532
4533 2008-04-06  Anatoly Sokolov <aesok@post.ru>
4534
4535         * config/avr/avr.h (avr_mega_p): Remove declaration.
4536         (AVR_MEGA): Remove macro.
4537         * config/avr/avr.c (avr_mega_p): Remove variable.
4538         (avr_override_options): Remove inicializion of avr_mega_p.
4539         Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
4540         (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
4541         (avr_jump_mode): (Ditto.).
4542         (avr_output_progmem_section_asm_op): (Ditto.).
4543         (avr_asm_init_sections): (Ditto.).
4544         (avr_asm_init_sections): (Ditto.).
4545         (avr_rtx_costs): (Ditto.).
4546         * config/avr/avr.md: (Ditto.).
4547         * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of
4548         '__AVR_MEGA__'.
4549
4550 2008-04-06  Richard Guenther  <rguenther@suse.de>
4551
4552         PR tree-optimization/35842
4553         * tree-ssa-address.c (fixed_address_object_p): Adjust to match
4554         is_gimple_invariant_address.
4555
4556 2008-04-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
4557
4558         * gcc.c (default_compilers): Sync Fortran extensions list with
4559         that in fortran/lang-specs.h.
4560         * doc/invoke.texi: Likewise.
4561         * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
4562         * dwarf2out.c (gen_compile_unit_die): Likewise.
4563
4564 2008-04-06  Tom G. Christensen  <tgc@jupiterrise.com>
4565
4566         * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
4567
4568 2008-04-05  Uros Bizjak  <ubizjak@gmail.com>
4569
4570         PR target/12329
4571         * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
4572         attribute is used for nested functions.
4573
4574 2008-04-05  Jan Hubicka  <jh@suse.cz>
4575
4576         * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
4577
4578         * tree-dump.c (dump_enable_all): Remove prototype; do not accept
4579         letter argument.
4580         (dump_files): Update.
4581         (enable_rtl_dump_file): Do not accept letter argument.
4582         * tree-pass.h (dump_file_info): Remove letter argument.
4583         * toplev.c (decode_d_option): Update -da handling.
4584         * toplev.h (enable_rtl_dump_file): Update prototype.
4585         * passes.c (register_one_dump_file): Do not accept IPA argument; work
4586         it out based on pass type.
4587         (register_dump_files_1): Likewise.
4588         (init_optimization_passes): Update register_one_dump_file calls.
4589         (execute_one_pass): Sanity check that IPA passes are called at IPA
4590         level and RTL passes at RTL level.
4591         (execute_pass_list): IPA pass can not be after or subpass of
4592         GIMPLE/RTL pass.
4593         (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
4594         disallov RTL subpasses of IPA subpasses.
4595
4596 2008-04-05  Ben Elliston  <bje@au.ibm.com>
4597
4598         * tree-cfg.c (need_fake_edge_p): Return false for calls to
4599         builtins that return exactly once and do not throw. Cache call to
4600         call_expr_flags.
4601
4602 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
4603
4604         PR rtl-optimization/34916
4605         PR middle-end/35519
4606         * combine.c (create_log_links): Do not create duplicate LOG_LINKS
4607         between instruction pairs.
4608
4609 2008-04-04  Naveen.H.S  <naveen.hs@kpitcummins.com>
4610
4611         * doc/invoke.texi: Document -mbitops for SH.
4612         * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
4613         * config/sh/predicates.md (bitwise_memory_operand): New predicate.
4614         * config/sh/sh.c (print_operand): Add %t operand code.
4615         * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
4616         * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
4617         (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
4618         (extendqihi2): Likewise.
4619         (movqi_i): Likewise.
4620         (insv): Use bset, bclr and bst instructions for SH2A if possible.
4621         (extv): Use bld instruction for SH2A if possible.
4622         (extzv): Likewise.
4623         (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
4624         bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
4625         bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
4626         (bset.b, bclr.b): Define peepholes.
4627         * config/sh/sh.opt (mbitops): New option.
4628
4629 2008-04-04  Janis Johnson  <janis187@us.ibm.com>
4630
4631         PR target/35620
4632         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
4633         and view convert expression.
4634
4635 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
4636
4637         PR target/35364
4638         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
4639
4640 2008-04-04  H.J. Lu  <hongjiu.lu@intel.com>
4641
4642         * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
4643
4644         * config/i386/cpuid.h (bit_AES): New.
4645         (bit_PCLMUL): Likewise.
4646
4647         * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
4648         (override_options): Handle PTA_AES and PTA_PCLMUL.  Enable
4649         SSE2 if AES or PCLMUL is enabled.
4650         (ix86_builtins): Add IX86_BUILTIN_AESENC128,
4651         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
4652         IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
4653         IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
4654         (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
4655         (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
4656         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
4657         IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
4658         (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
4659         (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
4660         __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
4661         __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
4662         __builtin_ia32_aeskeygenassist128 and
4663         __builtin_ia32_pclmulqdq128.
4664         * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
4665         (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
4666         IX86_BUILTIN_PSRLDQI128.  Handle IX86_BUILTIN_AESKEYGENASSIST128.
4667
4668         * config/i386/i386.h (TARGET_AES): New.
4669         (TARGET_PCLMUL): Likewise.
4670         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
4671
4672         * config/i386/i386.md (UNSPEC_AESENC): New.
4673         (UNSPEC_AESENCLAST): Likewise.
4674         (UNSPEC_AESDEC): Likewise.
4675         (UNSPEC_AESDECLAST): Likewise.
4676         (UNSPEC_AESIMC): Likewise.
4677         (UNSPEC_AESKEYGENASSIST): Likewise.
4678         (UNSPEC_PCLMUL): Likewise.
4679
4680         * config/i386/i386.opt (maes): New.
4681         (mpclmul): Likewise.
4682
4683         * config/i386/sse.md (aesenc): New pattern.
4684         (aesenclast): Likewise.
4685         (aesdec): Likewise.
4686         (aesdeclast): Likewise.
4687         (aesimc): Likewise.
4688         (aeskeygenassist): Likewise.
4689         (pclmulqdq): Likewise.
4690
4691         * config/i386/wmmintrin.h: New.
4692
4693         * doc/extend.texi: Document AES and PCLMUL built-in function.
4694
4695         * doc/invoke.texi: Document -maes and -mpclmul.
4696
4697 2008-04-04  Paolo Bonzini  <bonzini@gnu.org>
4698
4699         * function.c (free_after_parsing): Replace with
4700         cxx_push_function_context from C++ front-end.
4701         (allocate_struct_function): Don't call langhook.
4702         * langhooks.h (struct lang_hooks_for_functions): Delete.
4703         (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
4704         member "function".
4705         * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
4706         (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
4707         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
4708         LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
4709         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
4710         remove LANG_HOOKS_FUNCTION_INITIALIZER.
4711         * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
4712
4713         * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
4714         Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
4715
4716 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
4717
4718         PR c/35440
4719         * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
4720         for all types.
4721
4722 2008-04-04  Richard Guenther  <rguenther@suse.de>
4723
4724         PR middle-end/35823
4725         * fold-const.c (optimize_minmax_comparison): Use the correct
4726         type for the constant in the simplified comparison.
4727
4728 2008-04-04  Zuxy Meng <zuxy.meng@gmail.com>
4729
4730         * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
4731         Pass L2 size as "--param l2-cache-size" to the compiler.
4732         (decode_l2_cache): New function to decode L2 cache parameters using
4733         0x8000006 extended cpuid function.
4734         (detect_caches_amd): Determine parameters of L2 cache using
4735         decode_l2_caches function.
4736         (decode_caches_intel): Decode L2 cache parameters.
4737         (detect_caches_intel): Determine L2 cache parameters using
4738         decode_caches_intel and decode_l2_caches functions.
4739
4740 2008-04-03  Bob Wilson  <bob.wilson@acm.org>
4741
4742         * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
4743         secondary input reload for subword loads from the constant pool.
4744
4745 2008-04-03  Janis Johnson  <janis187@us.ibm.com>
4746
4747         PR target/35713
4748         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
4749           constants of the appropriate size for runtime calculations.
4750
4751         PR c/35712
4752         * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
4753           decimal-float literal constant zero.
4754
4755 2008-04-03  Jakub Jelinek  <jakub@redhat.com>
4756
4757         PR c/35738
4758         * c-parser.c (c_parser_omp_atomic): Call
4759         default_function_array_conversion on the RHS.
4760
4761         PR middle-end/35818
4762         * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
4763         call is_variable_sized if decl has incomplete type.
4764
4765 2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>
4766
4767         * config/i386/i386-protos.h (ix86_aligned_p): Removed.
4768
4769 2008-04-03  Adam Nemet  <anemet@caviumnetworks.com>
4770
4771         * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
4772         iterators.
4773         (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu.
4774         (sgt<u>): Merge sgt and sgtu into new expander.
4775         (sgt, sgtu): Remove expanders.
4776         (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new pattern.
4777         (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
4778         (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
4779         *sgtu_<mode>_mips16 into new pattern.
4780         (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
4781         (sge<u>): Merge sge and sgeu into new expander.
4782         (sge, sgeu): Remove expanders.
4783         (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
4784         new pattern.
4785         (*sge_<mode>, second *sge_<mode>): Remove patterns.
4786         (slt<u>): Merge slt and sltu into new expander.
4787         (slt, sltu): Remove expanders.
4788         (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new pattern.
4789         (*slt_<mode>, *sltu_<mode>): Remove patterns.
4790         (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
4791         *sltu_<mode>_mips16 into new pattern.
4792         (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
4793         (sle<u>): Merge sle and sleu into new expander.
4794         (sle, sleu): Remove expanders.
4795         (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new pattern.
4796         (*sle_<mode>, *sleu_<mode>): Remove patterns.
4797         (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
4798         *sleu_<mode>_mips16 into new pattern.
4799         (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
4800
4801 2008-04-03  Jan Hubicka  <jh@suse.cz>
4802
4803         PR tree-optimization/35795
4804         * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
4805         * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
4806         * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
4807         * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
4808         * score/score3.c (score3_output_mi_thunk): Likewise.
4809         * score/score7.c (score7_output_mi_thunk): Likewise.
4810         * mips/mips.c (mips_output_mi_thunk): Likewise.
4811
4812 2008-04-03  Richard Guenther  <rguenther@suse.de>
4813
4814         * tree-vrp.c (extract_range_from_unary_expr): Handle all
4815         conversions.  Simplify code.
4816
4817 2008-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
4818
4819         * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
4820
4821 2008-04-03  Tom Tromey  <tromey@redhat.com>
4822             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4823
4824         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
4825         * config/bfin/t-bfin-linux (generated_files): Add
4826         linux-sysroot-suffix.h.
4827         * doc/install.texi (Prerequisites): Require make 3.80.
4828         * doc/sourcebuild.texi (Front End Directory): Document new
4829         variable.
4830         * Makefile.in (generated_files): New variable.
4831         (ALL_HOST_OBJS): New variable.
4832         ($(ALL_HOST_OBJS)): New target.
4833
4834 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
4835
4836         * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
4837         (remap_block): Call id->transform_lang_insert_block instead
4838         of langhook.
4839         (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
4840         Set id.transform_lang_insert_block to NULL.
4841         (clone_body): Move to cp/optimize.c
4842         * tree-inline.h (struct copy_body_data): Change
4843         transform_lang_insert_block to function pointer.
4844         (copy_generic_body, copy_decl_no_change): Export.
4845         * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
4846         * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
4847         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
4848
4849         * c-tree.h (insert_block): Kill.
4850         * c-decl.c (insert_block): Kill.
4851
4852 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
4853
4854         * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
4855         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
4856         * c-tree.h (c_push_function_context, c_pop_function_context): Remove
4857         argument.
4858         * c-decl.c (c_push_function_context, c_pop_function_context): Remove
4859         argument, call {push,pop}_function_context from here.
4860         * c-parser.c: Use c_{push,pop}_function_context.
4861
4862         * function.c (push_function_context_to): Move meat ...
4863         (push_function_context): ... here.  Simplify.
4864         * function.c (pop_function_context_from): Move meat ...
4865         (pop_function_context): ... here.  Simplify.
4866         * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
4867         leave_nested).
4868         * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
4869         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
4870         (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
4871         * tree.h (push_function_context_to, pop_function_context_from): Remove.
4872
4873 2008-04-03  Ben Elliston  <bje@au.ibm.com>
4874
4875         * expmed.c (extract_force_align_mem_bit_field): Remove.
4876
4877 2008-04-03  Richard Guenther  <rguenther@suse.de>
4878
4879         PR middle-end/35800
4880         * expr.h (try_casesi): Adjust prototype.
4881         * expr.c (try_casesi): Take fallback label as extra parameter.
4882         Use that for gen_casesi if default_label is NULL.
4883         * stmt.c (expand_case): Pass fallback label to try_casesi,
4884         make sure to fill gaps with a fallback label if default_label
4885         is not present.
4886
4887 2008-04-03  Dominique d'Humieres <dominiq@lps.ens.fr>
4888
4889         PR target/35801
4890         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
4891
4892 2008-04-03  Ben Elliston  <bje@au.ibm.com>
4893
4894         * expmed.c (extract_split_bit_field): Remove if (0) code.
4895         * tree-ssa-structalias.c (do_sd_constraint): Likewise.
4896         (do_ds_constraint): Likewise.
4897
4898 2008-04-02  Joseph Myers  <joseph@codesourcery.com>
4899
4900         * doc/cppopts.texi (-dU): Document.
4901         * c-common.h (flag_dump_macros): Update comment.
4902         * c-opts.c (handle_OPT_d): Handle -dU.
4903         * c-ppoutput.c (macro_queue, define_queue, undef_queue,
4904         dump_queued_macros, cb_used_define, cb_used_undef): New.
4905         (init_pp_output): Handle -dU.
4906         (cb_line_change): Call dump_queued_macros.
4907         * toplev.c (decode_d_option): Accept -dU as preprocessor option.
4908
4909 2008-04-02  Anatoly Sokolov <aesok@post.ru>
4910
4911         * config/avr/predicates.md (io_address_operand): New predicate.
4912         * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
4913         * config/avr/avr.c (avr_io_address_p): Remove function.
4914         (out_movqi_r_mr): Use 'io_address_operand' predicate instead of
4915         'avr_io_address_p' function.
4916         (out_movhi_r_mr): (Ditto.).
4917         (out_movqi_mr_r): (Ditto.).
4918         (out_movhi_mr_r): (Ditto.).
4919         (avr_address_cost): (Ditto.).
4920
4921 2008-04-02  Uros Bizjak  <ubizjak@gmail.com>
4922
4923         * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
4924         Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
4925         in 32bit mode when XMM registers are available to avoid store
4926         forwarding stalls.
4927         (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
4928         corresponding post-reload splitters.
4929
4930 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
4931
4932         * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
4933         and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
4934         __builtin_ia32_roundss.
4935         (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
4936         __builtin_ia32_shufpd, __builtin_ia32_roundsd and
4937         __builtin_ia32_roundss.
4938         (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
4939         IX86_BUILTIN_SHUFPD here.
4940
4941 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
4942
4943         * config/i386/i386.md (plogic): New.
4944         (plogicprefix): Likewise.
4945
4946         * config/i386/mmx.md (mmx_<code><mode>3): New.
4947         (mmx_and<mode>3): Removed.
4948         (mmx_ior<mode>3): Likewise.
4949         (mmx_xor<mode>3): Likewise.
4950
4951         * config/i386/sse.md (<code><mode>3): New.
4952         (*<code><mode>3): Likewise.
4953         (*<code><mode>3): Likewise.
4954         (<code><mode>3): Likewise.
4955         (*sse_<code><mode>3): Likewise.
4956         (*sse2_<code><mode>3): Likewise.
4957         (<code>tf3): Likewise.
4958         (*<code>tf3): Likewise.
4959         (and<mode>3): Likewise.
4960         (*and<mode>3): Likewise.
4961         (ior<mode>3): Removed.
4962         (*ior<mode>3): Likewise.
4963         (xor<mode>3): Likewise.
4964         (*xor<mode>3): Likewise.
4965         (*and<mode>3): Likewise.
4966         (*ior<mode>3): Likewise.
4967         (*xor<mode>3): Likewise.
4968         (and<mode>3): Likewise.
4969         (*sse_and<mode>3): Likewise.
4970         (*sse2_and<mode>3): Likewise.
4971         (andtf3): Likewise.
4972         (*andtf3): Likewise.
4973         (ior<mode>3): Likewise.
4974         (*sse_ior<mode>3): Likewise.
4975         (*sse2_ior<mode>3): Likewise.
4976         (iortf3): Likewise.
4977         (*iortf3): Likewise.
4978         (xor<mode>3): Likewise.
4979         (*sse_xor<mode>3): Likewise.
4980         (*sse2_xor<mode>3): Likewise.
4981         (xortf3): Likewise.
4982         (*xortf3): Likewise.
4983
4984 2008-04-02  Richard Guenther  <rguenther@suse.de>
4985
4986         PR tree-optimization/14495
4987         PR tree-optimization/34793
4988         * tree-vrp.c (struct switch_update): New structure.
4989         (to_remove_edges, to_update_switch_stmts): New VECs.
4990         (simplify_switch_using_ranges): New function.  Remove not taken
4991         case labels and edges.
4992         (simplify_stmt_using_ranges): Call it.
4993         (identify_jump_threads): Mark edges we have queued for removal
4994         so we don't thread them.
4995         (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
4996         case label vector.
4997         * tree-cfg.c (group_case_labels): Deal with missing default label.
4998         (tree_verify_flow_info): Allow missing default label.
4999         * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
5000         (emit_case_nodes): Likewise.
5001         (expand_case): Do not rely on the default label to be present.
5002         * expr.c (try_casesi): Deal with NULL default_label.
5003         (do_tablejump): Likewise.
5004
5005 2008-04-02  Richard Guenther  <rguenther@suse.de>
5006
5007         PR tree-optimization/14495
5008         * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
5009         SWITCH_EXPR here ...
5010         (vrp_visit_switch_stmt): ... but here (new function).
5011         (find_case_label_index): New helper function.
5012         (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
5013
5014 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
5015
5016         * fwprop.c: Fix ISO-C99ism.
5017
5018 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
5019
5020         PR bootstrap/35752
5021         * Makefile.in (objdir): Set it here.
5022         * configure.ac: Not here.  Find dynamic linker characteristics.
5023         * exec-tool.in: Use them.
5024         * aclocal.m4: Regenerate.
5025         * configure: Regenerate.
5026
5027 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
5028
5029         * expr.c (expand_var): Delete it.
5030         * expr.h (expand_var): Delete prototype.
5031         * function.c (expand_function_start): Use expand_decl instead.
5032         * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
5033         langhook.
5034
5035 2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>
5036
5037         PR rtl-optimization/35542
5038         * fwprop.c (forward_propagate_and_simplify): Replace
5039         loc_reg_mentioned_in_p with reg_mentioned_p.
5040
5041 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
5042
5043         PR rtl-optimization/35281
5044         * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
5045         (propagate_rtx_1): Handle PR_HANDLE_MEM.
5046         (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
5047         (varying_mem_p): Move above propagate_rtx.
5048         (all_uses_available_at): Do not check MEMs.
5049
5050 2008-04-02  Rafael Espindola  <espindola@google.com>
5051
5052         * tree-vrp.c (extract_code_and_val_from_cond): Remove.
5053         (register_edge_assert_for_2): Split the cond argument.
5054         (register_edge_assert_for_1): Adjust for the change in
5055         register_edge_assert_for_2.
5056         (register_edge_assert_for): Split the cond argument.
5057         (find_switch_asserts): Adjust for the change in
5058         register_edge_assert_for.
5059
5060 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
5061
5062         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
5063         * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
5064         offsets for 64-bit mingw.
5065         * config/i386/i386.c (ix86_pass_by_reference): Correct calling
5066         abi for x86_64-pc-mingw.
5067
5068 2008-04-02  Richard Guenther  <rguenther@suse.de>
5069
5070         * tree-vrp.c (extract_range_from_assert): Make sure to not
5071         produce range min/max with TREE_OVERFOW set.
5072         If merging a anti-range and a range keep the anti-range if
5073         the range covers all values of the type.
5074         (register_edge_assert_for_2): Only allow sign-changing
5075         conversions in detecting canonical range checks.  Also
5076         register an assert for the unsigned name if useful.
5077
5078         PR tree-optimization/35787
5079         * tree-vrp.c (vrp_val_max): New function.
5080         (vrp_val_min): Likewise.
5081         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
5082         (vrp_val_is_min): Likewise.
5083         (supports_overflow_infinity): Use vrp_val_{min,max}.
5084         (negative_overflow_infinity): Likewise.
5085         (positive_overflow_infinity): Likewise.
5086         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
5087         (is_positive_overflow_infinity): Likewise.
5088         (is_overflow_infinity): Likewise.
5089         (avoid_overflow_infinity): Use vrp_val_{min,max} and
5090         vrp_val_is_{min,max}.
5091         (set_and_canonicalize_value_range): Canonicalize anti-ranges
5092         to ranges if possible.  Avoid empty ranges.
5093
5094 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5095
5096         PR middle-end/35705
5097         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
5098         the expression is a function address.
5099
5100 2008-04-01  George Helffrich  <george@gcc.gnu.org>
5101
5102         PR fortran/35154, fortran/23057
5103         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
5104         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
5105         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
5106         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
5107         in common.
5108         (dbxout_syms): Check for COMMON-based symbol and wrap in
5109         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
5110         in bracket for efficiency.
5111
5112         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
5113         using DW_TAG_common_block + member offset.
5114         (add_pubname_string): New function.
5115         (dw_expand_expr): New function to find block name and offset for
5116         COMMON var.
5117         (common_check): New function to check whether symbol in Fortran COMMON.
5118         (gen_variable_die): If COMMON, use DW_TAG_common_block.
5119
5120 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
5121
5122         PR c/35436
5123         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
5124
5125 2008-04-02  Ben Elliston  <bje@au.ibm.com>
5126
5127         * config/v850/v850.md (casesi): Remove if (0) code.
5128         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
5129         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
5130
5131 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
5132
5133         * config/i386/i386.md (rex64suffix): New mode attribute.
5134         (floathi<mode>2): Disable expander for SSE math.
5135         (*floathi<mode>2_1): New insn insn_and_split pattern.
5136         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
5137         corresponding post-reload splitters.
5138         (*floathi<mode>2_i387): New macroized insn pattern.
5139         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
5140         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
5141         insn_and_split pattern.
5142         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
5143         New macroized instruction patterns and corresponding post-reload
5144         splitters.
5145         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
5146         and corresponding post-reload splitters.
5147         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
5148         New macroized instruction patterns.
5149         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
5150         macroized instruction patterns and corresponding post-reload splitters.
5151         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
5152         corresponding post-reload splitters.
5153         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
5154         New macroized instruction patterns.
5155         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
5156         corresponding post-reload splitters.
5157         (*floatsi<mode>2_i387): New macroized instruction patterns.
5158
5159 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
5160
5161         * config/i386/i386.md (smaxmin): New.
5162         (umaxmin): Likewise.
5163         (maxminiprefix): Likewise.
5164         (maxminfprefix): Likewise.
5165         (<code><mode>3): Likewise.
5166         (smin<mode>3): Removed.
5167         (smax<mode>3): Likewise.
5168
5169         * config/i386/mmx.md (mmx_<code>v2sf3): New.
5170         (mmx_<code>v4hi3): Likewise.
5171         (mmx_<code>v8qi3): Likewise.
5172         (mmx_smaxv2sf3): Removed.
5173         (mmx_sminv2sf3): Likewise.
5174         (mmx_umaxv8qi3): Likewise.
5175         (mmx_smaxv4hi3): Likewise.
5176         (mmx_uminv8qi3): Likewise.
5177         (mmx_sminv4hi3): Likewise.
5178
5179         * config/i386/sse.md (<addsub><mode>3): New.
5180         (*<addsub><mode>3): Likewise.
5181         (<sse>_vm<addsub><mode>3): Likewise.
5182         (<maxmin><mode>3): Likewise.
5183         (*<maxmin><mode>3_finite): Likewise.
5184         (*<maxmin><mode>3): Likewise.
5185         (<sse>_vm<maxmin><mode>3): Likewise.
5186         (sse3_h<addsub>v4sf3): Likewise.
5187         (sse3_h<addsub>v2df3): Likewise.
5188         (<maxmin>v16qi3): Likewise.
5189         (*<maxmin>v16qi3): Likewise.
5190         (<maxmin>v8hi3): Likewise.
5191         (*<maxmin>v8hi3): Likewise.
5192         (*sse4_1_<maxmin><mode>3): Likewise.
5193         (*sse4_1_<maxmin><mode>3): Likewise.
5194         (add<mode>3): Removed.
5195         (*add<mode>3): Likewise.
5196         (<sse>_vmadd<mode>3): Likewise.
5197         (sub<mode>3): Likewise.
5198         (*sub<mode>3): Likewise.
5199         (<sse>_vmsub<mode>3): Likewise.
5200         (smin<mode>3): Likewise.
5201         (*smin<mode>3_finite): Likewise.
5202         (*smin<mode>3): Likewise.
5203         (<sse>_vmsmin<mode>3): Likewise.
5204         (smax<mode>3): Likewise.
5205         (*smax<mode>3_finite): Likewise.
5206         (*smax<mode>3): Likewise.
5207         (<sse>_vmsmax<mode>3): Likewise.
5208         (sse3_haddv4sf3): Likewise.
5209         (sse3_haddv2df3): Likewise.
5210         (sse3_hsubv4sf3): Likewise.
5211         (sse3_hsubv2df3): Likewise.
5212         (umaxv16qi3): Likewise.
5213         (*umaxv16qi3): Likewise.
5214         (smaxv8hi3): Likewise.
5215         (*smaxv8hi3): Likewise.
5216         (*sse4_1_smax<mode>3): Likewise.
5217         (*sse4_1_umax<mode>3): Likewise.
5218         (uminv16qi3): Likewise.
5219         (*uminv16qi3): Likewise.
5220         (sminv8hi3): Likewise.
5221         (*sminv8hi3): Likewise.
5222         (*sse4_1_smin<mode>3): Likewise.
5223         (*sse4_1_umin<mode>3): Likewise.
5224
5225 2008-04-01  Rafael Espindola  <espindola@google.com>
5226
5227         * tree-cfg.c (verify_expr): remove in_phi.
5228         (verify_stmt): Don't call walk_tree with verify_expr. Use
5229         is_gimple_min_invariant instead of is_gimple_val.
5230
5231 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
5232
5233         * doc/include/gpl_v3.texi: Update for manpage generation.
5234         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
5235         gpl.texi.
5236         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
5237         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
5238         gpl_v3.texi instead of gpl.texi.
5239         (gpl.pod): New.
5240
5241 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
5242
5243         PR pch/13675
5244         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
5245
5246 2008-04-01  Rafael Espindola  <espindola@google.com>
5247
5248         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
5249         (extract_code_and_val_from_cond): Use
5250         extract_code_and_val_from_cond_with_ops.
5251
5252 2008-04-01  Jan Hubicka  <jh@suse.cz>
5253
5254         * function.c (free_after_compilation): Free epilogue_delay_list.
5255         (prepare_function_start): Assert that previous compilation was freed.
5256
5257 2008-04-01  Jan Hubicka  <jh@suse.cz>
5258             Jim Wilson  <wilson@tuliptree.org>
5259             Andreas Tobler <andreast@gcc.gnu.org>
5260
5261         PR middle-end/35781
5262         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
5263         rtl.emit instead cfun->emit.
5264         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
5265         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
5266
5267 2008-04-01  Ben Elliston  <bje@au.ibm.com>
5268
5269         * doc/c-tree.texi (Function Basics): Fix grammatical error.
5270
5271 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
5272
5273         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
5274         New options
5275         (fprofile-use): Add var flag_profile_use
5276         * coverage.c (coverage_begin_output): Do not open a gcno file for
5277         output only if -ftest-coverage is set.
5278         Do not add getpwd() to gcda file path.
5279         (build_gcov_info): Check the new flag
5280         flag_profile_datafile_relative_path.
5281         (coverage_init): Use profile_data_prefix.
5282         Read profile counter only if flag_profile_use is set.
5283         * opts.c (common_handle_option): New option fprofile-use=,
5284         fprofile-dir=, fprofile-generate=.
5285         * toplev.c (profile_data_prefix): New variable definition.
5286         * toplev.h (profile_data_prefix): New declaration.
5287         * doc/invoke.tex (Option Summary, Optimization Options):
5288         Add new options.
5289
5290 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
5291
5292         * varasm.c (output_constant_pool_1): In LABEL_REF check,
5293         use tmp consistently.
5294
5295         PR target/35695
5296         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
5297         * config/ia64/ia64.c (rtx_needs_barrier): Handle
5298         UNSPEC_FR_RECIP_APPROX_RES.
5299         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
5300
5301 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
5302
5303         PR c/35750
5304         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
5305
5306 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5307
5308         PR middle-end/30186
5309         * fold-const.c (fold_indirect_ref_1): Support accessing non first
5310         element of the vector via a pointer.
5311
5312 2008-03-31  Ian Lance Taylor  <iant@google.com>
5313
5314         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
5315
5316 2008-03-31  Jan Hubicka  <jh@suse.cz>
5317
5318         * builtins.c (expand_builtin_setjmp_receiver): Update call of
5319         get_arg_pointer_save_area.
5320         * expr.c (init_expr): Just clear out rtl.expr.
5321         * function.c (free_after_compilation): Clear out whole RTL structure.
5322         (get_func_frame_size): Merge into ...
5323         (get_frame_size): ... this one.
5324         (assign_stack_local_1): Merge into ...
5325         (assign_stack_local): ... this one.
5326         (expand_function_end): Update call of get_arg_pointer_save_area.
5327         (get_art_pointer_save_area): Remove cfun argument.
5328         * function.h (emit_status): regno_pointer_align does not need length
5329         attribute. Move x_regno_reg_rtx to ...
5330         (regno_reg_rtx): ... new global array.
5331         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
5332         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
5333         apply_args_value, forced_labels, stack_pointer_delta):
5334         Update accestors.
5335         (struct varasm_status): Move here from varasm.c
5336         (struct rtl_data): New. Move here some fields from struct function.
5337         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
5338         frame_offset, stack_check_probe_note, arg_pointer_save_area,
5339         used_temp_slots avail_temp_slots, temp_slot_level,
5340         nonlocal_goto_handler_labels): Update accesstors.
5341         (rtl): New global variable.
5342         (struct function): Move some fileds to rtl_data.
5343         (get_arg_pointer_save_area): Update prototype.
5344         * emit-rtl.c (rtl): Declare.
5345         (regno_reg_rtx): Declare.
5346         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
5347         Update.
5348         (gen_reg_rtx): Update.
5349         (init_virtual_regs): Do not tate emit_status argument.
5350         (init_emit): Do not allocate emit.
5351         * varasm.c (varasm_statuc): Move to function.h.
5352         (n_deferred_constatns): Update accestor.
5353         (init_varasm_status): Do not allocate varasm_status.
5354         (force_const_mem, get_pool_size, output_constant_pool): Update.
5355         * stmt.c (force_label_rtx): Do not use x_ prefixes.
5356         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
5357
5358 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
5359
5360         PR rtl-optimization/35729
5361         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
5362         references.
5363
5364 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
5365
5366         PR target/32000
5367         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
5368         load/store if memory is unaligned.
5369         (*movti_rex64): Likewise.
5370
5371         * config/i386/predicates.md (misaligned_operand): New.
5372
5373 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
5374
5375         PR tree-opt/35431
5376         * tree-ssa-phiopt.c (conditional_replacement): Return early for
5377         complex types.
5378
5379 2008-03-31  Jan Beulich  <jbeulich@novell.com>
5380
5381         * config/ia64/constraints.md: Add 'j' constraint.
5382         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
5383         (movdi_internal): Likewise.
5384
5385 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
5386
5387         PR c/35748
5388         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
5389
5390 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
5391
5392         PR target/35757
5393         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
5394         proper error message for the third argument on blendpd and
5395         blendps.
5396
5397         * config/i386/sse.md (blendbits): New.
5398         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
5399
5400 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
5401
5402         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
5403
5404 2008-03-30  Richard Guenther  <rguenther@suse.de>
5405
5406         PR middle-end/31023
5407         * fold-const.c (fold_sign_changed_comparison): Do leave
5408         conversions to base-types alone.
5409
5410 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5411
5412         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
5413         the link register if one altivec register is be saved.
5414
5415 2008-03-30  Ben Elliston  <bje@au.ibm.com>
5416
5417         * final.c (final_scan_insn): Remove if (0) code.
5418
5419 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
5420
5421         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
5422
5423 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
5424
5425         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
5426         of V4SFmode to ix86_binary_operator_ok.
5427
5428 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
5429
5430         * config/i386/i386.c (override_options): Initialize
5431         ix86_veclib_handler to ix86_veclibabi_svml when
5432         -mveclibabi=svml is used.
5433         (ix86_veclibabi_svml): New function for SVML ABI style
5434         vectorization support.
5435         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
5436
5437 2008-03-28  Rafael Espindola  <espindola@google.com>
5438
5439         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
5440         (tree_binary_nonnegative_warnv_p): Make it public.
5441         (tree_single_nonnegative_warnv_p): Make it public.
5442         (tree_invalid_nonnegative_warnv_p): Make it public.
5443         (tree_unary_nonzero_warnv_p): Make it public.
5444         (tree_binary_nonzero_warnv_p): Make it public
5445         (tree_single_nonzero_warnv_p): Make it public.
5446         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
5447         (extract_range_from_binary_expr): Split the expr argument.
5448         (extract_range_from_unary_expr): Split the expr argument.
5449         (extract_range_from_comparison): Split the expr argument.
5450         (extract_range_from_expr): Use the new aux functions.
5451         (vrp_evaluate_conditional_warnv): Use
5452         vrp_evaluate_conditional_warnv_with_ops.
5453         * tree.h (tree_unary_nonzero_warnv_p): Declare.
5454         (tree_binary_nonzero_warnv_p): Declare.
5455         (tree_single_nonzero_warnv_p): Declare.
5456         (tree_expr_nonzero_warnv_p): Declare.
5457         (tree_unary_nonnegative_warnv_p): Declare.
5458         (tree_binary_nonnegative_warnv_p): Declare.
5459         (tree_single_nonnegative_warnv_p): Declare.
5460         (tree_invalid_nonnegative_warnv_p): Declare.
5461
5462 2008-03-28  Richard Guenther  <rguenther@suse.de>
5463
5464         PR tree-optimization/30317
5465         PR tree-optimization/30911
5466         PR tree-optimization/34793
5467         * tree-vrp.c (set_and_canonicalize_value_range): New function.
5468         (struct assert_locus_d): New member EXPR.
5469         (register_new_assert_for): Add EXPR parameter to support
5470         ASSERT_EXPR <name, expr OP limit>.
5471         (register_edge_assert_for_1): Adjust callers.
5472         (find_assert_locations): Likewise.
5473         (process_assert_insertions_for): Build condition from expression.
5474         (extract_range_from_assert): Handle ASSERT_EXPRs
5475         of the form ASSERT_EXPR <name, expr OP limit>.
5476         (register_edge_assert_for_2): New helper registering
5477         asserts for comparisons.  Recognize range tests of the form
5478         (unsigned)i - CST1 OP CST2.
5479         (register_edge_assert_for_1): Use it.
5480         (register_edge_assert_for): Likewise.
5481         (needs_overflow_infinity): Integer sub-types
5482         do not need overflow infinities.
5483         (vrp_val_is_max): The extreme values of integer sub-types
5484         are those of the base type.
5485         (vrp_val_is_min): Likewise.
5486         * tree.def (ASSERT_EXPR): Document extra allowed conditional
5487         expressions.
5488
5489 2008-03-28  Nick Clifton  <nickc@redhat.com>
5490
5491         PR target/31110
5492         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
5493         Return GENERAL_REGS for stack adjustment reloads.
5494
5495 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5496
5497         PR target/31334
5498         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
5499         const_vector when all the vectors are constant.
5500
5501 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
5502
5503         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
5504         comparisons.
5505         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
5506         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
5507         (scc_sf): New.
5508         (s<code>_sf): Use new scc_sf attribute for opcode names.
5509
5510 2008-03-27  Tom Tromey  <tromey@redhat.com>
5511
5512         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
5513         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
5514         config/spu/t-spu-elf, config/i386/t-interix,
5515         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
5516         config/i386/x-darwin, config/i386/x-mingw32,
5517         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
5518         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
5519         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
5520         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
5521         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
5522         config/rs6000/x-darwin, config/rs6000/t-rs6000,
5523         config/score/t-score-elf, config/arm/t-strongarm-pe,
5524         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
5525         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
5526         Revert automatic dependency patch.
5527
5528 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
5529
5530         PR target/35657
5531         * config/i386/i386.c (ix86_function_arg_boundary): Align
5532         decimal floating point to its natural boundary.
5533
5534 2008-03-27  Richard Guenther  <rguenther@suse.de>
5535
5536         PR middle-end/35716
5537         * fold-const.c (fold_comparison): Restrict distinct decl
5538         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
5539         solely rely on operand_equal_p.
5540
5541 2008-03-27  Richard Guenther  <rguenther@suse.de>
5542
5543         PR c/32511
5544         * c-common.c (handle_weak_attribute): Reject combination of
5545         weak and inline.
5546
5547 2008-03-27  Richard Guenther  <rguenther@suse.de>
5548
5549         PR tree-optimization/32810
5550         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
5551         conversions from DECL_INITIAL.
5552         (fold_const_aggregate_ref): Likewise from constructor elements.
5553
5554 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
5555
5556         * tree-affine.h (aff_combination_expand): Declare.
5557         (get_inner_reference_aff): Likewise.
5558         * tree-affine.c (aff_combination_expand): Split out from
5559         tree_to_aff_combination_expand.
5560         (get_inner_reference_aff): New function.
5561         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
5562         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
5563         (struct lim_aux_data): sm_done field removed.
5564         (mem_ref_loc_p, mem_ref_locs_p): New types.
5565         (struct mem_ref): Added id, stored, accesses_in_loop,
5566         indep_loop, dep_loop, indep_ref, dep_ref fields.
5567         Removed is_stored, locs and next fields.
5568         (memory_accesses): New variable.
5569         (movement_possibility): Do not allow moving statements
5570         that store to memory.
5571         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
5572         New functions.
5573         (determine_max_movement): For statements with memory references,
5574         find the outermost loop in that the reference is independent.
5575         (move_computations_stmt): Mark the virtual operands for renaming.
5576         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
5577         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
5578         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
5579         add_vop_ref_mapping, create_vop_ref_mapping_loop,
5580         create_vop_ref_mapping, analyze_memory_references,
5581         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
5582         get_all_locs_in_loop, ref_always_accessed_p,
5583         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
5584         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
5585         store_motion_loop, store_motion): New functions.
5586         (struct vop_to_refs_elt): New type.
5587         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
5588         memref_hash, memref_eq, hoist_memory_references): Rewritten.
5589         (schedule_sm): Replaced by...
5590         (execute_sm): ... this.
5591         (determine_lsm_ref, hoist_memory_references,
5592         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
5593         find_more_ref_vops, free_mem_ref, free_mem_refs,
5594         determine_lsm_loop, determine_lsm): Removed.
5595         (tree_ssa_lim_finalize): Free data structures used by store motion.
5596         (tree_ssa_lim): Call analyze_memory_references.  Use
5597         store_motion instead of determine_lsm.
5598
5599 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
5600
5601         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
5602         rename tmake_file to m68hc11/t-m68hc11.
5603         (mcore): Set inhibit_libc to true.
5604         * config.host (alpha*-dec-*vms*): Set extra_programs.
5605         (interix3*): Don't use host_xmake_file.
5606         * configure.ac: Let config.gcc override inhibit_libc.
5607         * configure: Regenerate.
5608
5609         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
5610         * config/t-openbsd-thread: Remove commented out lines.
5611
5612         * config/x-interix: Remove.
5613
5614         * config/m68hc11/t-m68hc11-gas: Rename to...
5615         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
5616
5617         * config/mcore/t-mcore: Remove T_CFLAGS.
5618         * config/mcore/t-mcore-pe: Likewise.
5619
5620 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
5621
5622         * configure.ac: Replace custom __GNU_SOURCE test with
5623         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
5624         * aclocal.m4: Regenerate.
5625         * configure: Regenerate.
5626         * config.in: Regenerate.
5627
5628 2008-03-27  Richard Guenther  <rguenther@suse.de>
5629
5630         * fold-const.c (target.h): Include.
5631         (fold_comparison): Fold comparison of addresses of decls
5632         that bind locally or of constants.  Consolidate address folding code.
5633         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
5634         results from fold_binary_to_constant.
5635         (compare_values_warnv): Likewise.
5636
5637 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
5638
5639         PR middle-end/35429
5640         * fold-const.c (fold_truthop): Check for integeral types when folding
5641         a == 0 && b == 0 and a != 0 || b != 0 .
5642
5643 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
5644
5645         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
5646
5647 2008-03-26  Andreas Schwab  <schwab@suse.de>
5648
5649         * doc/invoke.texi: Fix use of @item vs. @itemx.
5650
5651 2008-03-26  Tom Tromey  <tromey@redhat.com>
5652
5653         * Makefile.in (build/gensupport.o, build/print-rtl.o,
5654         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
5655         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
5656         build/gencodes.o, build/genconditions.o, build/genconfig.o,
5657         build/genconstants.o, build/genemit.o, build/genextract.o,
5658         build/genflags.o, build/genmddeps.o, build/genopinit.o,
5659         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
5660         options.h.
5661
5662 2008-03-26  Richard Guenther  <rguenther@suse.de>
5663
5664         Revert
5665         2008-03-26  Richard Guenther  <rguenther@suse.de>
5666
5667         * fold-const.c (target.h): Include.
5668         (fold_comparison): Fold comparison of addresses of two decls
5669         that bind locally.  Consolidate address folding code.
5670
5671 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5672
5673         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
5674         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
5675         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
5676         dconstsqrt2, dconstthird, dconste and/or dconst10.
5677         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
5678         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
5679         dconstsqrt2, dconste): Delete.
5680         (init_emit_once): Likewise.  Simplify initializing dconstm1.
5681         Constify variable.
5682         * real.c (get_real_const): New.
5683         * real.h (dconst3, dconst10, dconstm2, dconstthird,
5684         dconstsqrt2, dconste): Delete.
5685         (real_value_const, get_real_const): New.
5686
5687 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
5688
5689         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
5690
5691         * config/i386/i386.c (ix86_function_arg_boundary): Check
5692         BIGGEST_ALIGNMENT instead of 128.
5693         (setup_incoming_varargs_64): Likewise.
5694
5695 2008-03-26  Tom Tromey  <tromey@redhat.com>
5696
5697         * Makefile.in (DEPFILES): Add missing '/'.
5698
5699 2008-03-26  Richard Guenther  <rguenther@suse.de>
5700
5701         * fold-const.c (target.h): Include.
5702         (fold_comparison): Fold comparison of addresses of two decls
5703         that bind locally.  Consolidate address folding code.
5704
5705 2008-03-26  Nick Clifton  <nickc@redhat.com>
5706
5707         PR target/31232
5708         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
5709         not allow INT+INT as a legitimate addressing mode.
5710
5711 2008-03-26  Richard Guenther  <rguenther@suse.de>
5712
5713         * tree-flow.h (widen_bitfield): Remove declaration.
5714         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
5715         (widen_bitfield): Remove function.
5716         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
5717         code.
5718
5719 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5720
5721         PR target/31558
5722         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
5723         error_mark_node's.
5724
5725 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
5726
5727         PR rtl-optimization/35232
5728         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
5729         (forget_old_reloads_1, forget_marked_reloads): Don't clear
5730         reg_reloaded_call_part_clobbered here.
5731         (reload_regs_reach_end_p): New function.
5732         (reload_reg_rtx_for_input): New variable.
5733         (reload_reg_rtx_for_output): Likewise.
5734         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
5735         when reassigning a pseudo register.  Load reloadreg from
5736         reload_reg_rtx_for_input, moving the mode and register
5737         calculation to...
5738         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
5739         instead of the original when deciding whether an input reload
5740         would be a no-op or whether an output reload can be deleted.
5741         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
5742         when setting up new_spill_reg_store.  Load it from
5743         reload_reg_rtx_for_output, moving the mode and register
5744         calculation to...
5745         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
5746         instead of the original when deciding whether an output reload
5747         would be a no-op.  Do the same when modifying insn notes.
5748         Use rtx_equal_p instead of == to compare the registers.
5749         (inherit_piecemeal_p): Take a mode and two register numbers
5750         as argument.
5751         (emit_reload_insns): Clear new_spill_reg_store for every hard
5752         register in the reload register.  Remove spill registers
5753         from reg_reloaded_valid before considering whether to record
5754         inheritance information for them.  Use reload_reg_rtx_for_output
5755         instead of reg_rtx when recording output reloads.  Use
5756         reload_reg_rtx_for_input instead of reg_rtx when recording
5757         input reloads.  Set or clear reg_reloaded_call_part_clobbered
5758         at the same time as setting reg_reloaded_valid.
5759         (delete_output_reload): Add a new_reload_reg parameter and use it
5760         instead of rld[j].reg_rtx.
5761         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
5762         calls accordingly.
5763
5764 2008-03-25  Tom Tromey  <tromey@redhat.com>
5765
5766         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
5767         (build/genattr.o): Likewise.
5768         (build/genattrtab.o): Likewise.
5769         (build/gencodes.o): Likewise.
5770         (build/genconfig.o): Likewise.
5771         (build/genconstants.o): Likewise.
5772         (build/genemit.o): Likewise.
5773         (build/genextract.o): Likewise.
5774         (build/genflags.o): Likewise.
5775
5776 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
5777
5778         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
5779         instead of size_int for integer types.
5780         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
5781         to match type of MINUS_EXPR.
5782
5783 2008-03-25  Tom Tromey  <tromey@redhat.com>
5784
5785         * configure: Rebuilt.
5786         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
5787         Makefile.
5788
5789 2008-03-25  Tom Tromey  <tromey@redhat.com>
5790
5791         * config/x-solaris (host-solaris.o): Update.
5792         * config/x-linux (host-linux.o): Update.
5793         * config/x-hpux (host-hpux.o): Update.
5794         * config/x-darwin (host-darwin.o): Update.
5795         * config/v850/t-v850e (v850-c.o): Update.
5796         * config/v850/t-v850 (v850-c.o): Update.
5797         * config/t-vxworks (vxworks.o): Update.
5798         * config/t-sol2 (sol2-c.o, sol2.o): Update.
5799         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
5800         * config/spu/t-spu-elf (spu-c.o): Update.
5801         (spu.o): Remove.
5802         * config/sh/t-symbian (sh-c.o): Update.
5803         (symbian.o): Update.
5804         * config/sh/t-sh (sh-c.o): Update.
5805         * config/score/t-score-elf (score7.o, score3.o): Update.
5806         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
5807         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
5808         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
5809         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
5810         (rs6000.o): Remove.
5811         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
5812         * config/m32c/t-m32c (m32c-pragma.o): Update.
5813         * config/ia64/t-ia64 (ia64-c.o): Update.
5814         * config/i386/x-mingw32 (host-mingw32.o): Update.
5815         * config/i386/x-i386 (driver-i386.o): Update.
5816         * config/i386/x-darwin (host-i386-darwin.o): Update.
5817         * config/i386/x-cygwin (host-cygwin.o): Update.
5818         * config/i386/t-nwld (nwld.o): Update.
5819         * config/i386/t-netware (netware.o): Update.
5820         * config/i386/t-interix (winnt.o): Update.
5821         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
5822         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
5823         msformat-c.o): Update.
5824         * config/bfin/t-bfin-linux (generated_files): Add
5825         linux-sysroot-suffix.h.
5826         * config/arm/t-wince-pe (pe.o): Update.
5827         * config/arm/t-strongarm-pe (pe.o): Update.
5828         * config/arm/t-pe (pe.o): Update.
5829         * config/arm/t-arm (arm-c.o): Update.
5830         * doc/install.texi (Prerequisites): Require make 3.80.
5831         * Makefile.in: Remove .o targets.
5832         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
5833         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
5834         (simple_generated_h, simple_generated_c): Move earlier.
5835         (generated_files): New variable.
5836         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
5837         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
5838         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
5839         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
5840         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
5841         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
5842         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
5843         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
5844         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
5845         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
5846         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
5847         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
5848         (.c.o): Remove.
5849         (COMPILE.base, COMPILE): New variables.
5850         (%.o): New pattern rule.
5851         (ALL_HOST_OBJS): New variable.
5852         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
5853         (dummy-checksum.o, cc1-checksum.o): Remove.
5854         (DRIVER_SHLIB): New variable.
5855         (DRIVER_DEFINES): Use it.
5856         (gencondmd.c): Move out of build/.
5857         (s-conditions): Update.
5858         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
5859         (ALL_BUILD_OBJS): Likewise.
5860         (build/%.o): Use BUILDCOMPILE.
5861         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
5862         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
5863         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
5864         build/gencheck.o, build/gencodes.o, build/genconditions.o,
5865         build/genconfig.o, build/genconstants.o, build/genemit.o,
5866         build/genextract.o, build/genflags.o, build/genmddeps.o,
5867         build/genopinit.o, build/genoutput.o, build/genpeep.o,
5868         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
5869         build/gen-protos.o, build/scan.o, build/fix-header.o,
5870         build/scan-decls.o): Simplify.
5871         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
5872         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
5873         prefix.o, toplev.o): Reduce to variable setting.
5874         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
5875         ($(out_object_file), gcc-options.o): New targets.
5876         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
5877         * configure: Rebuilt.
5878         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
5879         * doc/sourcebuild.texi (Front End Directory): Document new variable.
5880
5881 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
5882
5883         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
5884         complain when we hit an error, return ERROR_MARK_NODE.
5885
5886 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
5887
5888         * config/sh/constraints.md (Pso, Psz): New constraints.
5889         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
5890         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
5891
5892 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
5893
5894         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
5895         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
5896
5897 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
5898
5899         * config/sh/sh.md (prefetch): Add condition for SH2A target.
5900         (prefetch_sh2a): New.
5901
5902 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
5903             Naveen.H.S  <naveen.hs@kpitcummins.com>
5904
5905         * config/sh/constraints.md (I28): New constraint.
5906         * config/sh/sh.c (broken_move): Add support for movi20s.
5907         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
5908
5909 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
5910             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
5911             Naveen.H.S  <naveen.hs@kpitcummins.com>
5912
5913         * config/sh/sh.c (SH_ATTRIBUTES): Define.
5914         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
5915         (print_operand): Handle resbank in %@ operand code.
5916         (sh_encode_section_info): New.
5917         (push_regs): Add conditions for resbank.
5918         (sh_expand_epilogue): Likewise.
5919         (sh_insert_attributes): Likewise.
5920         (sh_attribute_table): Likewise.
5921         (sh_handle_resbank_handler_attribute): New.
5922         (sh2a_handle_function_vector_handler_attribute): New.
5923         (sh2a_is_function_vector_call): New.
5924         (sh2a_get_function_vector_number): New.
5925         (sh2a_function_vector_p): New.
5926         (sh_cfun_resbank_handler_p): New.
5927         * config/sh/sh.md (calli): Emit jsr/n if possible.
5928         (calli_tbr_rel): New.
5929         (calli_pcrel): Emit jsr/n if possible.
5930         (return_i): Emit rts/n if possible.
5931         (call_valuei_tbr_rel): New.
5932         (call_valuei_pcrel): Add condition for SH2A target.
5933         (call_value): Likewise.
5934         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
5935         (sh2a_get_function_vector_number): Likewise.
5936         (sh2a_is_function_vector_call): Likewise.
5937         * doc/extend.texi: Document TBR relative addressing of SH2A.
5938         (resbank): Add description for SH2A.
5939
5940 2008-03-24  Richard Guenther  <rguenther@suse.de>
5941
5942         PR c/22371
5943         * gimplify.c (gimplify_modify_expr): For frontend type-correct
5944         pointer assignments change conversions according to middle-end rules.
5945         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
5946         * configure.ac: Include type checking in yes.
5947         * configure: Regenerate.
5948
5949 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5950
5951         * diagnostic.c (diagnostic_count_diagnostic): Delete.
5952         (diagnostic_report_diagnostic): Update. Handle ICEs here.
5953
5954 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
5955
5956         * gthr-vxworks.h (UNUSED): Define.
5957
5958 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
5959
5960         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
5961
5962 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
5963
5964         * doc/extend.texi (Function Attributes): Add missing comma in the
5965         example of the "alloc_size" attribute.
5966
5967 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
5968
5969         Revert:
5970         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
5971
5972         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
5973         32bit host.
5974
5975         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
5976
5977         PR target/35496
5978         * stor-layout.c (update_alignment_for_field): Set minimum alignment
5979         of the underlying type of a MS bitfield layout to the natural
5980         alignment of the type.
5981
5982         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
5983
5984         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
5985         to their natural alignment to avoid store forwarding stalls.
5986
5987 2008-03-22  Richard Guenther  <rguenther@suse.de>
5988
5989         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
5990         For PHI nodes verify the address is invariant.
5991         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
5992         (get_symbol_constant_value): Use is_gimple_min_invariant.
5993         (maybe_fold_stmt_indirect): Likewise.
5994
5995 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
5996
5997         PR rtl-optimization/33927
5998         * Makefile.in (dse.o): Depend on $(TM_P_H).
5999         * expr.h (extract_low_bits): Declare.
6000         * expmed.c (extract_low_bits): New function.
6001         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
6002         * dse.c: Include tm_p.h.
6003         (find_shift_sequence): Remove the read_reg argument and return the
6004         read value.  Emit the instructions instead of returning them.
6005         Iterate on new_mode rather than calculating it each time.
6006         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
6007         source to NEW_MODE and extract_low_bits to convert the shifted
6008         value to READ_MODE.
6009         (replace_read): Allow the load and store to have different mode
6010         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
6011         or extraction instructions before trying the replacement.  Update
6012         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
6013
6014 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
6015
6016         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
6017         to their natural alignment to avoid store forwarding stalls.
6018
6019 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6020
6021         PR target/27946
6022         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
6023         encouraging but not allowing gprs for input;
6024         change the input constraint to !f#r.
6025         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
6026         gprs for output;
6027         change the output constraint to !f#r.
6028
6029 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
6030
6031         PR target/13958
6032         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
6033         corresponding post-reload splitters.
6034         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
6035         when x87 FP math is selected.
6036         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
6037         New function prototype.
6038         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
6039         unreachable function to ease macroization of insn patterns.
6040
6041 2008-03-21  Martin Jambor  <mjambor@suse.cz>
6042
6043         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
6044         reference dumps if ddr is NULL or dependence is unknown.
6045
6046 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
6047
6048         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
6049         unsigned extension into account.
6050         (ATOMIC_COMPARE_AND_SWAP): Likewise.
6051         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
6052         Do computations on a scratch register.
6053
6054 2008-03-21  Richard Guenther  <rguenther@suse.de>
6055
6056         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
6057         Use is_gimple_min_invariant instead of TREE_INVARIANT.
6058         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
6059         * tree-ssa-dom.c (record_equality): Likewise.
6060         * tree-inline.c (copy_body_r): Likewise.
6061         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
6062         TREE_INVARIANT.
6063
6064 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
6065
6066         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
6067         as 'delete_unused' argument.
6068
6069 2008-03-20  Richard Guenther  <rguenther@suse.de>
6070
6071         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
6072         special casing of constant qualifiers.
6073         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
6074         care about them in general.
6075         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
6076         regardless of their type.
6077         (fold_stmt_r): Forcefully fold *& if we end up with that.
6078
6079 2008-03-20  Paul Brook  <paul@codesourcery.com>
6080
6081         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
6082         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
6083         linker flags.
6084         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
6085         definition.
6086         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
6087         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
6088
6089 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
6090
6091         * common.opt (Wmudflap): New option.
6092         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
6093         (mx_register_decls): Likewise.
6094         (mudflap_finish_file): Likewise.
6095         * doc/invoke.texi: Document -Wno-mudflap.
6096
6097 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
6098
6099         * c-format.c (replace_format_name_to_system_name): New.
6100         (cmp_attribs): New.
6101         (convert_format_name_to_system_name): New.
6102         (decode_format_attr): Add use of convert_format_name_to_system_name.
6103         (format_types_orig): Add gnu_ prefix to names.
6104         (check_format_info_main): Special treating of \0 escaped names for
6105         supporting multi-character format specifiers as I32, I64.
6106         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
6107         (gnu_target_overrides_format_attributes): New.
6108         * c-format.h: Add structure target_ovr_attr to hold
6109         system specific formatter names.
6110         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
6111         msformat-c.o file to c_target_objs and cxx_target_objs.
6112         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
6113         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
6114         (TARGET_N_FORMAT_TYPES): New.
6115         * config/i386/msformat-c.c: New.
6116         * config/i386/t-cygming: Add build rule for msformat-c.o.
6117         * doc/extend.texi: Add new format names gnu_* and ms_* and
6118         further details.
6119         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
6120
6121 2008-03-20  Ira Rosen  <irar@il.ibm.com>
6122
6123         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
6124         optimizations turned on under -O3.
6125         (ftree-vectorize): Add that the flag is turned on with -O3.
6126
6127 2008-03-20  Ben Elliston  <bje@au.ibm.com>
6128
6129         * regmove.c (try_auto_increment): Fix spelling error in comment.
6130         * final.c (final_scan_insn): Likewise.
6131
6132 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
6133
6134         PR target/14552
6135         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
6136         allocator preferences for "y" and "r" class registers.
6137         ("*mov<mode>_internal"): Ditto.
6138         ("*movv2sf_internal_rex64"): Ditto.
6139         ("*movv2sf_internal"): Ditto.
6140
6141 2008-03-19  Michael Matz  <matz@suse.de>
6142
6143         PR middle-end/35616
6144         * calls.c (expand_call): Check overlap of arguments with call
6145         address for sibcalls.
6146
6147 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
6148
6149         PR target/35496
6150         * stor-layout.c (update_alignment_for_field): Set minimum alignment
6151         of the underlying type of a MS bitfield layout to the natural
6152         alignment of the type.
6153
6154 2008-03-19  Jan Hubicka  <jh@suse.cz>
6155
6156         PR other/35094
6157         * toplev.c (decode_d_option): Handle all CPP flags.
6158         * tree-vrp.c: Update tree_pass descriptors.
6159         * regrename.c: Update tree_pass descriptors.
6160         * fwprop.c: Update tree_pass descriptors.
6161         * doc/invoke.texi: Remove documentation of dropped -d? flags.
6162         * tree-into-ssa.c: Update tree_pass descriptors.
6163         * tree-dump.c: Update tree_pass descriptors.
6164         * tree-complex.c: Update tree_pass descriptors.
6165         * tree-dump.h: Update tree_pass descriptors.
6166         * see.c: Update tree_pass descriptors.
6167         * cgraphbuild.c: Update tree_pass descriptors.
6168         * tracer.c: Update tree_pass descriptors.
6169         * tree-loop-distribution.c: Update tree_pass descriptors.
6170         * cgraph.c: Update tree_pass descriptors.
6171         * postreload-gcse.c: Update tree_pass descriptors.
6172         * postreload.c: Update tree_pass descriptors.
6173         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
6174         * tree-tailcall.c: Update tree_pass descriptors.
6175         * tree-pass.h (tree_opt_pass): Rename to ...
6176         (opt_pass) ... this one; add "type" field and remove letter field.
6177         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
6178         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
6179         all_lowering_passes): Update declaration.
6180         * ipa-cp.c: Update tree_pass descriptors.
6181         * final.c: Update tree_pass descriptors.
6182         * omp-low.c: Update tree_pass descriptors.
6183         * tree-ssa-dse.c: Update tree_pass descriptors.
6184         * ipa-reference.c: Update tree_pass descriptors.
6185         * tree-ssa-uncprop.c: Update tree_pass descriptors.
6186         * auto-inc-dec.c: Update tree_pass descriptors.
6187         * reorg.c: Update tree_pass descriptors.
6188         * cgraphunit.c: Update tree_pass descriptors.
6189         * tree-ssa-copyrename.c: Update tree_pass descriptors.
6190         * tree-ssa-ccp.c: Update tree_pass descriptors.
6191         * df-core.c: Update tree_pass descriptors.
6192         * mode-switching.c: Update tree_pass descriptors.
6193         * tree-nomudflap.c: Update tree_pass descriptors.
6194         * modulo-sched.c: Update tree_pass descriptors.
6195         * ipa-pure-const.c: Update tree_pass descriptors.
6196         * cse.c: Update tree_pass descriptors.
6197         * web.c: Update tree_pass descriptors.
6198         * tree-stdarg.c: Update tree_pass descriptors.
6199         * tree-ssa-math-opts.c: Update tree_pass descriptors.
6200         * tree-ssa-dom.c: Update tree_pass descriptors.
6201         * tree-nrv.c: Update tree_pass descriptors.
6202         * tree-ssa-alias.c: Update tree_pass descriptors.
6203         * loop-init.c: Update tree_pass descriptors.
6204         * gimple-low.c: Update tree_pass descriptors.
6205         * ipa-inline.c: Update tree_pass descriptors.
6206         * tree-ssa-sink.c: Update tree_pass descriptors.
6207         * global.c: Update tree_pass descriptors.
6208         * ifcvt.c: Update tree_pass descriptors.
6209         * jump.c: Update tree_pass descriptors.
6210         * predict.c: Update tree_pass descriptors.
6211         * tree-ssa-loop.c: Update tree_pass descriptors.
6212         * recog.c: Update tree_pass descriptors.
6213         * dse.c: Update tree_pass descriptors.
6214         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
6215         * tree-eh.c: Update tree_pass descriptors.
6216         * regmove.c: Update tree_pass descriptors.
6217         * local-alloc.c
6218         * function.c: Update tree_pass descriptors.
6219         * tree-vectorizer.c: Update tree_pass descriptors.
6220         * gcse.c: Update tree_pass descriptors.
6221         * ipa-type-escape.c: Update tree_pass descriptors.
6222         * tree-if-conv.c: Update tree_pass descriptors.
6223         * init-regs.c: Update tree_pass descriptors.
6224         * ipa.c: Update tree_pass descriptors.
6225         * tree-ssa-phiopt.c: Update tree_pass descriptors.
6226         * rtl-factoring.c: Update tree_pass descriptors.
6227         * lower-subreg.c: Update tree_pass descriptors.
6228         * bt-load.c: Update tree_pass descriptors.
6229         * tree-dfa.c: Update tree_pass descriptors.
6230         * except.c: Update tree_pass descriptors.
6231         * emit-rtl.c: Update tree_pass descriptors.
6232         * cfgexpand.c: Update tree_pass descriptors.
6233         * tree-cfgcleanup.c: Update tree_pass descriptors.
6234         * cfgcleanup.c: Update tree_pass descriptors.
6235         * tree-ssa-pre.c: Update tree_pass descriptors.
6236         * tree-sra.c: Update tree_pass descriptors.
6237         * tree-mudflap.c: Update tree_pass descriptors.
6238         * tree-ssa-copy.c: Update tree_pass descriptors.
6239         * cfglayout.c: Update tree_pass descriptors.
6240         * tree-ssa-forwprop.c: Update tree_pass descriptors.
6241         * tree-ssa-dce.c: Update tree_pass descriptors.
6242         * tree-ssa.c: Update tree_pass descriptors.
6243         * regclass.c: Update tree_pass descriptors.
6244         * integrate.c: Update tree_pass descriptors.
6245         * tree-optimize.c: Update tree_pass descriptors.
6246         * tree-ssa-phiprop.c: Update tree_pass descriptors.
6247         * tree-object-size.c: Update tree_pass descriptors.
6248         * combine.c: Update tree_pass descriptors.
6249         * tree-outof-ssa.c: Update tree_pass descriptors.
6250         * bb-reorder.c: Update tree_pass descriptors.
6251         * stack-ptr-mod.c: Update tree_pass descriptors.
6252         * var-tracking.c: Update tree_pass descriptors.
6253         * tree-profile.c: Update tree_pass descriptors.
6254         * tree-vect-generic.c: Update tree_pass descriptors.
6255         * reg-stack.c: Update tree_pass descriptors.
6256         * sched-rgn.c: Update tree_pass descriptors.
6257         * tree-ssa-structalias.c: Update tree_pass descriptors.
6258         * tree-cfg.c: Update tree_pass descriptors.
6259         * passes.c (current_pass): Update declaration.
6260         (finish_optimization_passes): Update.
6261         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
6262         (register_one_dump_file, register_dump_files_1, next_pass_1):
6263         Update arguments.
6264         (init_optimization_passes): Update handling of new types.
6265         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
6266         * ipa-struct-reorg.c: Update tree_pass descriptors.
6267         * tree-ssa-reassoc.c: Update tree_pass descriptors.
6268         * combine-stack-adj.c: Update tree_pass descriptors.
6269         * cfgrtl.c: Update tree_pass descriptors.
6270         * dce.c: Update tree_pass descriptors.
6271         * tree-ssanames.c: Update tree_pass descriptors.
6272
6273 2008-03-19  Richard Guenther  <rguenther@suse.de>
6274
6275         PR middle-end/35609
6276         * tree-ssa.c (walk_data): New structure.
6277         (warn_uninitialized_var): If not always_executed warn with "maybe"
6278         instead of "is".
6279         (execute_early_warn_uninitialized): Compute post-dominators.
6280         Initialize always_executed before processing each basic block.
6281
6282 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
6283
6284         PR target/35504
6285         * config/i386/i386.c (x86_this_parameter): Calculate correct location
6286         of "this" pointer when "regparm = N" or "fastcall" is in effect.
6287
6288 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6289
6290         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
6291
6292 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
6293
6294         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
6295         is true.
6296         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
6297         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
6298         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
6299         target after ignore has been set, and move there also the commputation
6300         of subtarget and original_target.
6301         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
6302         (LANG_HOOKS_INITIALIZER): Remove it.
6303         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
6304
6305 2008-03-18  Richard Guenther  <rguenther@suse.de>
6306
6307         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
6308         found an expression with constants, note that in the VN for the lhs.
6309         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
6310         fold them to constants if possible.  Run cleanup_cfg if done so.
6311         (execute_pre): Return todo.
6312         (do_pre): Likewise.
6313         (execute_fre): Likewise.
6314         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
6315         of constants.
6316         (get_prop_source_stmt): Look through pointer conversions.
6317
6318 2008-03-18  Jan Hubicka  <jh@suse.cz>
6319
6320         * tree-pretty-print.c: Include predict.h.
6321         (dump_generic_node): Dump predictor.
6322         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
6323         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
6324         * gimple-low.c (lower_stmt): Likewise.
6325         * expr.c (expand_expr_real): Likewise.
6326         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
6327         them.
6328         (build_predict_expr, build_predict_expr): New.
6329         * predict.h (predictor_name, build_predict_expr): Update.
6330         * c-typeck.c (c_finish_bc_stmt): Add prediction.
6331         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
6332         * predict.def (PRED_CONTINUE): Update hitrate.
6333         * tree.def (PREDICT_EXPR): Define.
6334         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
6335         do not handle BIND_EXPR.
6336         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
6337         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
6338         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
6339         operands.
6340
6341 2008-03-18  Michael Matz  <matz@suse.de>
6342
6343         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
6344
6345 2008-03-18  Richard Guenther  <rguenther@suse.de>
6346
6347         * tree-gimple.h (is_gimple_invariant_address): Declare.
6348         (is_gimple_constant): Likewise.
6349         * tree-gimple.c (is_gimple_constant): New function.
6350         (is_gimple_invariant_address): Likewise.
6351         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
6352         and is_gimple_invariant_address.
6353         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
6354         previous change.
6355         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
6356         an addressable base.
6357
6358 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
6359
6360         PR middle-end/35611
6361         * gimplify.c (gimplify_expr): Gimplify second operand of
6362         OMP_ATOMIC_LOAD.
6363
6364 2008-03-17  Richard Guenther  <rguenther@suse.de>
6365
6366         PR tree-optimization/19637
6367         * fold-const.c (fold_unary): Remove restrictions of removing
6368         intermediate pointer-conversions (P2)(P1)P0.
6369         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
6370         conversion to void pointer.
6371         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
6372
6373 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
6374
6375         PR debug/31510
6376         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
6377         emulated thread local variables.
6378
6379 2008-03-16  Richard Guenther  <rguenther@suse.de>
6380
6381         PR middle-end/35607
6382         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
6383         expand TREE_INVARIANT operations that are not gimple invariant.
6384
6385 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
6386
6387         * doc/extend.texi (Alignment): Say that the ABI controls
6388         the __alignof__ for non-strict-alignment targets rather
6389         than being a recommendation.
6390
6391 2008-03-15  Paul Brook  <paul@codesourcery.com>
6392
6393         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
6394         annotations.
6395         (arm_output_fn_unwind): Mark functions that can not be unwound.
6396
6397 2008-03-15  Paul Brook  <paul@codesourcery.com>
6398
6399         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
6400         extension instructions.
6401
6402 2008-03-15  Richard Guenther  <rguenther@suse.de>
6403
6404         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
6405         and fold constant aggregate refs.
6406         (fold_const_aggregate_ref): Handle string constants
6407         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
6408         (evaluate_stmt): Simplify now that ccp_fold folds constant
6409         aggregate refs.
6410
6411 2008-03-15  Paul Brook  <paul@codesourcery.com>
6412
6413         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
6414         (extzv): Use gen_extzv_t2.
6415         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
6416
6417 2008-03-15  Richard Guenther  <rguenther@suse.de>
6418
6419         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
6420         (fold_const_aggregate_ref): Likewise.
6421         (get_value): Return NULL if we don't have any values.
6422         (ccp_finalize): Set const_val to NULL after freeing it.
6423         * tree-flow.h (get_symbol_constant_value): Declare.
6424         (fold_const_aggregate_ref): Likewise.
6425         * tree-ssa-sccvn.c (try_to_simplify): Use them.
6426
6427 2008-03-15  Richard Guenther  <rguenther@suse.de>
6428
6429         PR middle-end/35593
6430         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
6431         to not produce negative array indices if not allowed.  Add
6432         parameter to indicate that.
6433         (maybe_fold_offset_to_component_ref): Allow negative array
6434         indices only for the first member of a structure.
6435         (maybe_fold_offset_to_reference): Allow negative array indices.
6436         (maybe_fold_stmt_addition): Likewise.
6437
6438 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
6439             Anatoly Sokolov <aesok@post.ru>
6440
6441         * config/avr/avr.c (avr_arch_types): Add avr6 entry.
6442         (avr_arch): Add ARCH_AVR6.
6443         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
6444         (initial_elimination_offset): Initialize and use 'avr_pc_size'
6445         instead of fixed value 2.
6446         (print_operand_address): Use gs() asm specifier instead of pm().
6447         (avr_assemble_integer): (Ditto.).
6448         (avr_output_addr_vec_elt): (Ditto.).
6449         (print_operand): Handle "!" code.
6450         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
6451         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
6452         (AVR_HAVE_EIJMP_EICALL): Define.
6453         (AVR_3_BYTE_PC): Redefine.
6454         (AVR_2_BYTE_PC): (Ditto.).
6455         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
6456         (LINK_SPEC): Add atmega2560 and atmega2561.
6457         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
6458         (crtm2561.o).
6459         * config/avr/avr.md (call_insn): Use eicall instead of icall
6460         for 3 byte PC devices.
6461         (call_value_insn): (Ditto.).
6462         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
6463         (indirect_jump): Use only for for 2 byte PC devices.
6464         (*tablejump): (Ditto.).
6465         (*indirect_jump_avr6): Add insn.
6466         (*tablejump_rjmp): Don't use for 3 byte PC devices.
6467         * config/avr/libgcc.S (__prologue_saves__): Use eijmp
6468         instead of ijmp for 3 byte PC devices.
6469         (__tablejump2__): (Ditto.).
6470         * config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
6471         (MULITLIB_DIRNAMES): (Ditto.).
6472         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
6473
6474 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
6475
6476         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
6477         "sse2_umulsidi3".  Use V1DI mode for operand 0.
6478         ("mmx_psadbw"): Use V1DI mode for operand 0.
6479         * config/i386/i386-modes.def (V1SI): New vector mode.
6480         * config/i386/i386.c (struct builtin_description)
6481         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
6482         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
6483         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
6484         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
6485         v1di_ftype_v8qi_v8qi type.
6486         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
6487
6488         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
6489         __builtin_ia32_pmuludq]: Fix the mode of return value.
6490
6491 2008-03-15  Richard Guenther  <rguenther@suse.de>
6492
6493         PR middle-end/35595
6494         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
6495         being a PHI_NODE.
6496
6497 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
6498
6499         * doc/invoke.texi (Option Summary, Xtensa Options): Document
6500         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
6501         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
6502         unless TARGET_SERIALIZE_VOLATILE is enabled.
6503         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
6504         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
6505         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
6506
6507 2008-03-14  Richard Guenther  <rguenther@suse.de>
6508
6509         PR tree-optimization/34172
6510         * tree-flow.h (refs_may_alias_p): Declare.
6511         (get_single_def_stmt): Likewise.
6512         (get_single_def_stmt_from_phi): Likewise.
6513         (get_single_def_stmt_with_phi): Likewise.
6514         * tree-dfa.c (refs_may_alias_p): New function.
6515         (get_single_def_stmt): Likewise.
6516         (get_single_def_stmt_from_phi): Likewise.
6517         (get_single_def_stmt_with_phi): Likewise.
6518         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
6519         (vn_reference_lookup_1): New helper function.
6520         (vn_reference_lookup): Walk the virtual use-def chain to
6521         continue searching for a match if the def does not alias the
6522         reference we are looking for.
6523
6524 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
6525
6526         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
6527         archive and Perzl.  Update The Written Word listing.
6528
6529 2008-03-14  Richard Guenther  <rguenther@suse.de>
6530
6531         PR tree-optimization/34043
6532         PR tree-optimization/33989
6533         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
6534         when doing FRE.
6535         (bitmap_find_leader): Use extra argument to verify dominance
6536         relationship inside a basic-block.
6537         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
6538         (find_leader_in_sets): Adjust.
6539         (create_component_ref_by_pieces): Take extra argument for
6540         dominance check, handle lookup failures.
6541         (find_or_generate_expression): Likewise.
6542         (create_expression_by_pieces): Likewise.
6543         (insert_into_preds_of_block): Adjust.
6544         (create_value_expr_from): If asked for, verify all operands
6545         are in the blocks AVAIL_OUT set.
6546         (make_values_for_stmt): Check for SSA_NAMEs that are life
6547         over an abnormal edge.
6548         (compute_avail): Remove such check.
6549         (do_SCCVN_insertion): New function.
6550         (eliminate): If we do not find a leader suitable for replacement
6551         insert a replacement expression from SCCVN if available.
6552         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
6553         (struct vn_ssa_aux): Add needs_insertion flag.
6554         * tree-ssa-sccvn.c (may_insert): New global flag.
6555         (copy_reference_ops_from_ref): Value-number union member access
6556         based on its size, not type and member if insertion is allowed.
6557         (visit_reference_op_load): For a weak match from union type
6558         punning lookup a view-converted value and insert a SSA_NAME
6559         for that value if that is not found.
6560         (visit_use): Make dumps shorter.  Do not disallow value numbering
6561         SSA_NAMEs that are life over an abnormal edge to constants.
6562         (free_scc_vn): Release inserted SSA_NAMEs.
6563         (run_scc_vn): New flag to specify whether insertion is allowed.
6564         Process SSA_NAMEs in forward order.
6565         * tree-ssa-loop-im.c (for_each_index): Handle invariant
6566         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
6567         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
6568         pointer type to/from integral types that do not change the
6569         precision to regular conversions.
6570
6571 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
6572
6573         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
6574         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
6575         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
6576         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
6577         input arguments and the mode of return value.  Built-in functions
6578         that operate on whole 64-bit MMX register now use V1DI mode.
6579
6580 2008-03-13  Alon Dayan  <alond@il.ibm.com>
6581             Olga Golovanevsky  <olga@il.ibm.com>
6582
6583         PR tree-optimization/35041
6584         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
6585         to locate the right position in a statement.
6586
6587 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
6588
6589         PR target/34000
6590         PR target/35553
6591         * config/i386/xmmintrin.h:  Change all static inline functions to
6592         extern inline and add __gnu_inline__ attribute.
6593         * config/i386/bmintrin.h: Ditto.
6594         * config/i386/smmintrin.h: Ditto.
6595         * config/i386/tmmintrin.h: Ditto.
6596         * config/i386/mmintrin-common.h: Ditto.
6597         * config/i386/ammintrin.h: Ditto.
6598         * config/i386/emmintrin.h: Ditto.
6599         * config/i386/pmmintrin.h: Ditto.
6600         * config/i386/mmintrin.h: Ditto.
6601         * config/i386/mm3dnow.h: Ditto.
6602
6603 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
6604
6605         PR middle-end/35185
6606         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
6607         (lower_omp_2): New function.
6608         (lower_omp_1, lower_omp): Rewritten.
6609
6610 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
6611
6612         PR 35054
6613         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
6614         with the phrase "Microsoft Windows compilers".
6615         (Push/Pop Macro Pragmas): New subsection. Document
6616         #pragma push_macro and pragma pop_macro.
6617
6618 2008-03-12  Paul Brook  <paul@codesourcery.com>
6619
6620         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
6621
6622 2008-03-12  Paul Brook  <paul@codesourcery.com>
6623
6624         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
6625         (thumb2_alusi3_short): Exclude PLUS and MINUS.
6626         (thumb2_addsi_shortim): Rename ...
6627         (thumb2_addsi_short): ... to this.  Allow register operands.
6628         (thumb2_subsi_short): New pattern.
6629         (thumb2_one_cmplsi2_short,
6630         thumb2_negsi2_short): New patterns and peepholes.
6631
6632 2008-03-12  Paul Brook  <paul@codesourcery.com>
6633
6634         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
6635
6636 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
6637
6638         * config/i386/i386.md (int_cond): New code iterator.
6639         (fp_cond): Ditto.
6640         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
6641         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
6642         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
6643         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
6644         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
6645         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
6646         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
6647         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
6648
6649 2008-03-12  Paul Brook  <paul@codesourcery.com>
6650
6651         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
6652         instead of {arm,thumb}_compute_save_reg_mask.
6653         (output_return_instruction): Ditto.
6654         (thumb_unexpanded_epilogue): Ditto.
6655         (thumb1_expand_prologue): Ditto.
6656         (thumb1_output_function_prologue): Ditto.
6657         (arm_set_return_address): Ditto.
6658         (thumb_set_return_address): Ditto.
6659         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
6660         regs to achieve stack alignment.
6661         (thumb1_compute_save_reg_mask): Fix compiler warning.
6662         (arm_output_epilogue): Use offsets->saved_regs_mask.
6663         Adjust stack pointer by poping call clobered registers.
6664         (arm_expand_prologue): Use offsets->saved_regs_mask.
6665         Adjust stack pointer by pushing extra registers.
6666         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
6667
6668 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
6669
6670         PR tree-opt/35422
6671         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
6672         conversion to the operands of a multiplication.
6673
6674 2008-03-12  Richard Guenther  <rguenther@suse.de>
6675
6676         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
6677         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
6678         * timevar.def (TV_TREE_PHIPROP): Add.
6679         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
6680         pass description.  Use TV_TREE_PHIPROP.
6681         * tree-ssa-forwprop.c: Remove phiprop code.
6682
6683 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
6684
6685         PR middle-end/35549
6686         * omp-low.c (maybe_lookup_decl): Constify first argument.
6687         (use_pointer_for_field): Change last argument from bool to
6688         omp_context *.  Disallow shared copy-in/out in nested
6689         parallel if decl is shared in outer parallel too.
6690         (build_outer_var_ref, scan_sharing_clauses,
6691         lower_rec_input_clauses, lower_copyprivate_clauses,
6692         lower_send_clauses, lower_send_shared_vars): Adjust callers.
6693
6694 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
6695             Ira Rosen  <irar@il.ibm.com>
6696
6697         * tree-vectorizer.c (free_stmt_vec_info): New function.
6698         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
6699         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
6700         * tree-vectorizer.h (free_stmt_vec_info): Declare.
6701         * tree-vect-transform.c (vectorizable_conversion): Free
6702         vec_oprnds0 if it was allocated.
6703         (vect_permute_store_chain): Remove unused VECs.
6704         (vectorizable_store): Free VECs that are allocated in the..
6705         function.
6706         (vect_transform_strided_load, vectorizable_load): Likewise.
6707         (vect_remove_stores): Simplify the code.
6708         (vect_transform_loop): Move code to vect_remove_stores().
6709         Call vect_remove_stores() and free_stmt_vec_info().
6710
6711 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6712
6713         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
6714         TARGET_HPUX.  Revise comment.
6715         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
6716         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
6717         Use sr4 variant of `be' instruction when not generating PIC code.
6718         (attr_length_call): Adjust for above change.
6719
6720 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6721
6722         * ipa-reference.c (static_execute): Remove module_statics_const and
6723         associated setting code.
6724
6725 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
6726
6727         PR target/35540
6728         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
6729         predicate for operand 1.
6730         (paritysi2_cmp): Use register_operand predicate for operand 2.
6731         Use earlyclobber modifier for operand 1.  Remove support for
6732         memory operands.
6733         (paritydi2_cmp): Use register_operand predicate for operand 3.
6734         Use earlyclobber modifier for operand 1.  Remove support for
6735         memory operands.
6736
6737 2008-03-11  Paul Brook  <paul@codesourcery.com>
6738             Vladimir Prus  <vladimir@codesourcery.com>
6739
6740         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
6741         (arm_compute_save_reg0_reg12_mask): Always
6742         check if register 11 must be saved.  Always safe hard frame pointer
6743         when frame_pointer_needeed.
6744         (arm_compute_save_reg_mask): Save IP and PC
6745         only with apcs frames.
6746         (arm_output_epilogue): Adjust Thumb2 codepath to
6747         be also invoked and work for ARM non-apcs frames.
6748         (arm_expand_prologue): Don't bother saving IP
6749         for non-apcs frame, since it's not clobbered by
6750         prologue code.  Implement non-apcs frame
6751         layout.
6752
6753 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
6754
6755         PR rtl-optimization/35281
6756         * expr.c (convert_move): Use a new pseudo for the intermediate
6757         from_mode->word_mode result.
6758
6759 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
6760
6761         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
6762         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
6763         * toplev.c (compile_file): Don't call it.
6764
6765 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
6766
6767         PR middle-end/35526
6768         * expr.c (store_expr): Call emit_block_move if the mode
6769         of "temp" RTX is BLKmode.
6770
6771 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6772             Richard Guenther  <rguenther@suse.de>
6773
6774         PR tree-optimization/31358
6775         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
6776         the step with a NULL_TREE.
6777         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
6778         to sizetype if type is a pointer type.
6779         (add_candidate_1): Don't convert the base and step to
6780         the generic type if the orginal type is a pointer type.
6781         (add_iv_value_candidates): Use sizetype for the step
6782         if type is a pointer type.
6783         (cand_value_at): Likewise.
6784         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
6785         for pointer types.
6786         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
6787         Don't convert the tem affine to the type.
6788         (add_elt_to_tree): Use sizetype for the step if a pointer.
6789         Use POINTER_PLUS_EXPR for pointers.
6790         (aff_combination_to_tree): Use sizetype for the step if a
6791         pointer.
6792
6793 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
6794
6795         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
6796         Remove commutativity hint.
6797
6798 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
6799
6800         PR c/35438
6801         PR c/35439
6802         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
6803         errorneous type.  Check that v is a VAR_DECL.
6804
6805         PR middle-end/35099
6806         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
6807
6808 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
6809
6810         PR tree-optimization/35494
6811         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
6812         may be overriden at link and run time.
6813
6814 2008-03-10  Richard Guenther  <rguenther@suse.de>
6815
6816         PR tree-optimization/34677
6817         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
6818         (poolify_tree): Likewise.
6819         (modify_expr_template): Likewise.
6820         (poolify_modify_stmt): Likewise.
6821         (insert_fake_stores): Handle all component-ref style stores
6822         in addition to INDIRECT_REF.  Also handle complex types.
6823         Do not poolify the inserted load.
6824         (realify_fake_stores): Do not rebuild the tree but only
6825         make it a SSA_NAME copy.
6826         (init_pre): Remove initialzation of modify_expr_template.
6827         Do not allocate modify_expr_node_pool.
6828         (fini_pre): Do not free modify_expr_node_pool.
6829
6830 2008-03-10  Paul Brook  <paul@codesourcery.com>
6831
6832         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
6833         to avoid conflicts.
6834
6835 2008-03-10  Paul Brook  <paul@codesourcery.com>
6836             Mark Shinwell  <shinwell@codesourcery.com>
6837
6838         * config/arm/cortex-r4.md: New.
6839         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
6840         insn attributes.
6841         * config/arm/arm.md: Include cortex-r4.md.
6842         (insn): Add smmls, sdiv and udiv values.
6843         (generic_sched): Don't use generic scheduling for Cortex-R4.
6844         (arm_issue_rate): New function.
6845         (TARGET_SCHED_ISSUE_RATE): Define.
6846
6847 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
6848
6849         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
6850
6851 2008-03-10  Richard Guenther  <rguenther@suse.de>
6852
6853         * tree-ssa-pre.c (get_sccvn_value): Simplify.
6854         (compute_avail): Do not add stmt uses to AVAIL_OUT.
6855
6856 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
6857
6858         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
6859         Set default to true.
6860
6861 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6862
6863         * c.opt (Wsynth): Deprecate.
6864         * doc/invoke.texi (Option Summary, Warning Options): Document
6865         -Wno-format-contains-nul.
6866
6867 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
6868
6869         PR target/35496
6870         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
6871         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
6872
6873 2008-03-09  Ira Rosen  <irar@il.ibm.com>
6874
6875         * config/rs6000/rs6000.c (builtin_description): Rename vector
6876         left shift operations.
6877         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
6878         (altivec_vsl<VI_char>): Rename to ...
6879         (ashl<mode>3): ... new name.
6880         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
6881         gen_ashlv4si3.
6882         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
6883
6884 2008-03-08  Richard Guenther  <rguenther@suse.de>
6885
6886         * coverage.h (tree_coverage_counter_addr): Declare.
6887         * coverage.c (tree_coverage_counter_addr): New function.
6888         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
6889         before using again.
6890         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
6891         (tree_gen_one_value_profiler): Likewise.
6892         (tree_gen_ic_profiler): Likewise.
6893         (tree_gen_average_profiler): Likewise.
6894         (tree_gen_ior_profiler): Likewise.
6895
6896 2008-03-08  Richard Guenther  <rguenther@suse.de>
6897
6898         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
6899         (vn_binary_op_insert): Likewise.
6900         (vn_unary_op_lookup): Likewise.
6901         (vn_unary_op_insert): Likewise.
6902         (vn_nary_op_lookup): Declare.
6903         (vn_nary_op_insert): Likewise.
6904         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
6905         and binary hashes, use a single obstack for unary_op_pool
6906         and binary_op_pool.
6907         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
6908         a single struct vn_nary_op_s.  Store tree code length and
6909         a variable number of operands.
6910         (struct vn_reference_op_struct): Remove unused op2.
6911         (vn_reference_op_eq): Do not compare op2.
6912         (vn_reference_op_compute_hash): Do not compute hash of op2.
6913         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
6914         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
6915         with vn_nary_op_compute_hash.
6916         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
6917         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
6918         vn_nary_op_lookup.
6919         (vn_unary_op_insert, vn_binary_op_insert): Replace with
6920         vn_nary_op_insert.
6921         (visit_unary_op): Call nary functions.
6922         (visit_binary_op): Likewise.
6923         (process_scc): Adjust for struct vn_tables_s changes.
6924         (allocate_vn_table): Likewise.
6925         (free_vn_table): Likewise.
6926         * tree-vn.c (vn_add): Call nary functions.
6927         (vn_lookup): Likewise.
6928
6929 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
6930
6931         PR target/35498
6932         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
6933         wdst back after sync_compare_and_swapqhi_internal.
6934
6935 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
6936
6937         PR target/22152
6938         * config/i386/i386-modes.def (V1DI): New vector mode.
6939         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
6940         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
6941         (MMXMODE248): Ditto.
6942         (MMXMODE): Add V1DI mode.
6943         (mmxvecsize): Change DI mode to V1DI mode.
6944         ("mov<mode>): Use MMXMODEI8 mode iterator.
6945         ("*mov<mode>_internal_rex64"): Ditto.
6946         ("*mov<mode>_internal"): Ditto.
6947         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
6948         ("mmx_sub<mode>3"): Ditto.
6949         ("mmx_adddi3"): Remove insn pattern.
6950         ("mmx_subdi3"): Ditto.
6951         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
6952         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
6953         ("mmx_ashl<mode>3"): Ditto.
6954         ("mmx_lshrdi3"): Remove insn pattern.
6955         ("mmx_ashldi3"): Ditto.
6956         * config/i386/i386.c (classify_argument): Handle V1DImode.
6957         (function_arg_advance_32): Ditto.
6958         (function_arg_32): Ditto.
6959         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
6960         mmx_addv1di3 insn pattern.
6961         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
6962         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
6963         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
6964         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
6965         Remove definitions of built-in functions.
6966         (V1DI_type_node): New node.
6967         (v1di_ftype_v1di_int): Ditto.
6968         (v1di_ftype_v1di_v1di): Ditto.
6969         (v2si_ftype_v2si_si): Ditto.
6970         (v4hi_ftype_v4hi_di): Remove node.
6971         (v2si_ftype_v2si_di): Ditto.
6972         (ix86_init_mmx_sse_builtins): Handle V1DImode.
6973         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
6974         Redefine builtins using def_builtin_const with *_ftype_*_int node.
6975         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
6976         Add new builtins using def_builtin_const.
6977         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
6978         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
6979         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
6980         * config/i386/mmintrin.h (__v1di): New typedef.
6981         (_mm_add_si64): Cast arguments to __v1di type.
6982         (_mm_sub_si64): Ditto.
6983         (_mm_sll_pi16): Cast __count to __v4hi type.
6984         (_mm_sll_pi32): Cast __count to __v2si type.
6985         (_mm_sll_si64): Cast arguments to __v1di type.
6986         (_mm_srl_pi16): Cast __count to __v4hi type.
6987         (_mm_srl_pi32): Cast __count to __v2si type.
6988         (_mm_srl_si64): Cast arguments to __v1di type.
6989         (_mm_sra_pi16): Cast __count to __v4hi type.
6990         (_mm_sra_pi32): Cast __count to __v2si type.
6991         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
6992         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
6993         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
6994         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
6995         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
6996         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
6997         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
6998         (_mm_srai_pi32): Use __builtin_ia32_psradi.
6999         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
7000         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
7001         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
7002         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
7003
7004 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
7005
7006         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
7007
7008 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
7009
7010         PR target/35373
7011         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
7012         reg+const addressing for Altivec modes.  Don't generate reg+reg
7013         addressing for TFmode or TDmode quantities.
7014
7015 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
7016
7017         * c-common.c (vector_types_convertible_p): Call langhook
7018         instead of comptypes.
7019
7020 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7021
7022         PR tree-opt/35402
7023         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
7024         integral and scalar float variables which have a
7025         NULL DECL_INITIAL.
7026
7027 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
7028
7029         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
7030         dwarf_register_span hook when emitting unwind information for
7031         register-to-memory saves.
7032         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
7033         (rs6000_frame_related): Remove call to spe_synthesize_frame.
7034
7035 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
7036
7037         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
7038         for the same VAR_DECL.
7039
7040 2008-03-06  Tom Tromey  <tromey@redhat.com>
7041
7042         * treelang: Delete.
7043         * doc/standards.texi (Standards): Don't mention treelang.
7044         * doc/invoke.texi (Overall Options): Don't mention treelang.
7045         * doc/install.texi (Prerequisites): Don't mention bison or
7046         treelang.
7047         (Configuration): Don't mention treelang.
7048         (Building): Likewise.
7049         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
7050
7051 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
7052
7053         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
7054         word-extractions out of a multi-word object.
7055
7056 2008-03-06  Richard Guenther  <rguenther@suse.de>
7057
7058         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
7059         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
7060         result type and precision.
7061         * expr.c (get_inner_reference): Set unsignedp based on the result
7062         type of BIT_FIELD_REF.
7063         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
7064         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
7065         (try_instantiate_multiple_fields): Likewise.  Use the correct type
7066         for BIT_FIELD_REF.
7067         (sra_build_assignment): Likewise.
7068         (sra_build_elt_assignment): Likewise.
7069         (sra_explode_bitfield_assignment): Likewise.
7070         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
7071         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
7072         set BIT_FIELD_REF_UNSIGNED.
7073         (vectorizable_load): Likewise.
7074
7075 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
7076
7077         * cse.c (cse_extended_basic_block): Invalidate artificial defs
7078         at bb start.
7079
7080 2008-03-06  Richard Guenther  <rguenther@suse.de>
7081
7082         * alias.c (struct alias_set_entry): Move has_zero_child field
7083         to pack with alias_set.
7084
7085 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
7086
7087         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
7088         32bit host.
7089
7090 2008-03-05  Ian Lance Taylor  <iant@google.com>
7091
7092         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
7093
7094 2008-03-05  Kenneth Zadeck  <zadeck@naturalbridge.com>
7095
7096         * fwprop.c (update_df): Support width and offset parameters of
7097         df_ref_create.
7098         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
7099         global_conflicts): Change DF_REF_EXTRACT to either
7100         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
7101         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
7102         * df-scan.c (df_ref_record, df_defs_record,
7103         df_ref_create_structure, df_def_record_1, df_uses_record,
7104         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
7105         df_bb_refs_collect, df_entry_block_defs_collect,
7106         df_exit_block_uses_collect): Support new width and offset fields.
7107         (ref_extract_pool): New storage pool.
7108         (df_free_ref): New function.
7109         (df_reg_chain_unlink, df_free_collection_rec,
7110         df_sort_and_compress_refs): Call df_free_ref.
7111         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
7112         of df_ref_extract.
7113         (df_ref_create_structure): Allocate df_ref_extract if offset and
7114         width fields are used.
7115         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
7116         (df_uses_record): Get offset and width from ZERO_EXTRACT
7117         and SIGN_EXTRACT.
7118         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
7119         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
7120         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
7121         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
7122         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
7123         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
7124         (df_ref_extract): New structure.
7125         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
7126         (df_ref_create): Add width and offset parameters.
7127
7128 2008-03-05  Richard Guenther  <rguenther@suse.de>
7129
7130         * tree-ssa-structalias.c (get_constraint_for_component_ref):
7131         Use ranges_overlap_p.
7132         (offset_overlaps_with_access): Rename
7133         to ranges_overlap_p and move ...
7134         * tree-flow-inline.h (ranges_overlap_p): ... here.
7135
7136         * tree.h (get_inner_reference, handled_component_p): Update
7137         comments.
7138
7139         * tree.h (record_component_aliases, get_alias_set,
7140         alias_sets_conflict_p, alias_sets_must_conflict_p,
7141         objects_must_conflict_p): Move declarations ...
7142         * alias.h (record_component_aliases, get_alias_set,
7143         alias_sets_conflict_p, alias_sets_must_conflict_p,
7144         objects_must_conflict_p): ... here.
7145         Include coretypes.h.
7146         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
7147
7148 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
7149
7150         * cfg.c: Include tree-flow.h.
7151         (remove_edge_raw): Call redirect_edge_var_map_clear.
7152         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
7153         * tree-flow-inline.h (redirect_edge_var_map_def): New.
7154         (redirect_edge_var_map_result): New.
7155         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
7156         PENDING_STMT use with redirect_edge_var_map_*.
7157         * tree-ssa.c (edge_var_maps): New definition.
7158         (redirect_edge_var_map_add): New.
7159         (redirect_edge_var_map_clear): New.
7160         (redirect_edge_var_map_dup): New.
7161         (redirect_edge_var_map_vector): New.
7162         (redirect_edge_var_map_destroy): New.
7163         (ssa_redirect_edge): Replace PENDING_STMT use with
7164         redirect_edge_var_map_*.
7165         (flush_pending_stmts): Same.
7166         (delete_tree_ssa): Destroy edge var map.
7167         * tree-flow.h (struct _edge_var_map): New.
7168         Define edge_var_map vector type.
7169         Declare redirect_edge_var_map_* prototypes.
7170         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
7171         * tree-cfg.c (reinstall_phi_args): Replace
7172         PENDING_STMT use with redirect_edge_var_map_*.
7173
7174 2008-03-05  Richard Guenther  <rguenther@suse.de>
7175
7176         PR tree-optimization/35472
7177         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
7178         whose single use_stmt has a overlapping set of loaded and
7179         stored symbols as that use_stmt might be a noop assignment then.
7180
7181 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
7182
7183         * gthr-rtems.h: Implement __gthread_mutex_destroy.
7184
7185 2008-03-05  Richard Guenther  <rguenther@suse.de>
7186
7187         PR c++/35336
7188         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
7189         should be constants.
7190         * tree-cfg.c (verify_expr): Verify it.
7191         * fold-const.c (fold_truthop): Remove code generating
7192         BIT_FIELD_REFs of structure bases.
7193         (fold_binary): Likewise.
7194         (fold_ternary): Position and size of BIT_FIELD_REFs are
7195         always host integers.
7196         (make_bit_field_ref): Remove.
7197         (optimize_bit_field_compare): Remove.
7198         (all_ones_mask_p): Remove.
7199
7200 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
7201
7202         PR gcc/33009
7203         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
7204         (split_block_and_df_analyze): New. Split basic block and rebuild
7205         dataflow.
7206         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
7207         SPLIT_BLOCK.
7208         (split_pattern_seq): Likewise.
7209         (erase_matching_seqs): Likewise.
7210         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
7211
7212 2008-03-04  Geoff Keating  <geoffk@apple.com>
7213
7214         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
7215         declaration and code.
7216         (tree_invalid_nonnegative_warnv_p): Likewise.
7217
7218 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
7219
7220         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
7221         examples.  Truncate option-names then causing overfull hbox.
7222
7223 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7224
7225         PR target/35222
7226         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
7227         on hpux10.
7228         * configure: Rebuilt.
7229
7230 2008-03-04  Rafael Espindola  <espindola@google.com>
7231
7232         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
7233         (tree_unary_nonnegative_warnv_p): New.
7234         (tree_binary_nonnegative_warnv_p): New.
7235         (tree_single_nonnegative_warnv_p): New.
7236         (tree_invalid_nonnegative_warnv_p): New.
7237         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
7238
7239 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7240
7241         PR 28322
7242         * opts.c (handle_option): Postpone 'unknown option' errors only for
7243         warning options.
7244
7245 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
7246
7247         PR target/35453
7248         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
7249         (_SIDD_XXX): This.
7250
7251 2008-03-04  Rafael Espindola  <espindola@google.com>
7252
7253         * fold-const.c (tree_unary_nonzero_warnv_p): New.
7254         (tree_binary_nonzero_warnv_p): New.
7255         (tree_single_nonzero_warnv_p): New.
7256         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
7257
7258 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
7259
7260         PR middle-end/35456
7261         * fold-const.c (fold_cond_expr_with_comparison): Prevent
7262         transformations for modes that have signed zeros.
7263         * ifcvt.c (noce_try_abs): Ditto.
7264
7265 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
7266
7267         * config/i386/i386.c (override_options): Force
7268         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
7269
7270 2008-03-04  Jan Hubicka  <jh@suse.cz>
7271
7272         PR c++/35262
7273         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
7274         in last commit.
7275
7276 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
7277
7278         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
7279         label to probe the stack.
7280
7281 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
7282
7283         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
7284         (__gthr_win32_mutex_destroy): Declare.
7285         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
7286         __gthr_win32_mutex_destroy.
7287         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
7288
7289 2008-03-03  Jan Hubicka  <jh@suse.cz>
7290
7291         PR c++/35262
7292         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
7293         aggressive on inlining cold calls.
7294
7295 2008-03-03  Richard Guenther  <rguenther@suse.de>
7296
7297         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
7298         struct copies into the expression table.
7299         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
7300         (try_to_simplify): Likewise.
7301         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
7302         integral and pointer arguments which do not change the
7303         precision to NOP_EXPRs.
7304         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
7305         VIEW_CONVERT_EXPR case.
7306
7307 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
7308
7309         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
7310         defined in a loop at depth 0 is invariant.
7311         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
7312         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
7313         be called at loop depth 0.
7314
7315 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
7316
7317         PR driver/35420
7318         * gcc.c (process_command): Update copyright notice dates.
7319         * gcov.c (print_version): Likewise.
7320         * gcov-dump.c (print_version): Likewise.
7321         * mips-tfile.c (main): Likewise.
7322         * mips-tdump.c (main): Likewise.
7323
7324 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7325
7326         PR 24924
7327         * c-common.c (flag_permissive): Delete.
7328         (constant_expression_warnings): Check flags first.
7329         (constant_expression_error): New.
7330         * c-common.h (flag_permissive): Delete.
7331         (constant_expression_error): Declare.
7332         * flags.h (flag_permissive): Declare. Update description.
7333         * diagnostic.c (pedwarn): Update.
7334         (permerror): New.
7335         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
7336         (permissive_error_kind): New.
7337         * toplev.c (flag_permissive): Define. Update description.
7338         * toplev.h (permissive_error_kind): Declare.
7339         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
7340         (pedwarn_c90): Use pedantic_warning_kind.
7341         * c-opts.c (c_common_post_options): flag_permissive does not affect
7342         flag_pedantic_errors.
7343
7344 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
7345
7346         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
7347         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
7348         __absvsi2, __absvDI2): Use unsigned arithmetic.
7349
7350 2008-03-02  Andi Kleen  <ak@suse.de>
7351             Richard Guenther  <rguenther@suse.de>
7352
7353         * struct-equiv.c: Remove file.
7354         * cfg_cleanup.c (condjump_equiv_p): Remove.
7355         * Makefile.in (OBJS-common): Remove struct-equiv.o.
7356         (struct-equiv.o): Remove rule.
7357         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
7358         insns_match_p, struct_equiv_block_eq, struct_equiv_init,
7359         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
7360
7361 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
7362
7363         * ifcvt.c (noce_process_if_block): Try to handle only the then
7364         block if the else block exists but isn't suitable.
7365
7366 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
7367
7368         PR gcc/35063
7369         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
7370         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
7371         regression from previous patch.
7372
7373 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
7374
7375         PR gcc/35063
7376         * gthr.h: Add __gthread_mutex_destroy as a function that must be
7377         implemented.
7378         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
7379         * gthr-single.h (__gthread_mutex_destroy): Likewise.
7380         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
7381         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
7382         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
7383         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
7384         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
7385         (__gthread_mutex_destroy_function): Rename to
7386         __gthread_mutex_destroy.
7387         * gthr-dce.h (__gthread_mutex_destroy): Call
7388         pthread_mutex_destroy.
7389         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
7390         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
7391         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
7392
7393 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
7394
7395         * df-scan.c (df_ref_chain_change_bb): Simplify.
7396         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
7397         set_block_for_insn if there's any change.
7398         * df.h ((df_insn_change_bb): Fix prototype.
7399         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
7400         df_insn_change_bb, don't call set_block_for_insn.
7401         * emit-rtl.c (reorder_insns): Likewise.
7402         * haifa-sched.c (move_insn): Likewise.
7403
7404 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
7405
7406         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
7407
7408 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
7409
7410         * tree-flow-inline.h (next_readonly_imm_use): Return
7411         NULL_USE_OPERAND_P after the end.
7412
7413 2008-03-01  Richard Guenther  <rguenther@suse.de>
7414
7415         PR tree-optimization/35411
7416         * tree-sra.c (sra_build_assignment): Split conversion to
7417         final type to a separate statement if we are not assigning
7418         to a register.
7419
7420 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
7421
7422         * fold-const.c (fold_convertible_p): Correct the logic to follow
7423         that in fold_convert().
7424
7425 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
7426
7427         PR c++/35315
7428         * tree-inline.c (build_duplicate_type): When we make a
7429         duplicate type, make it unique in the canonical types system.
7430
7431 2008-02-29  Tom Tromey  <tromey@redhat.com>
7432
7433         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
7434         input_file_stack_history, input_file_stack_restored): Remove.
7435         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
7436         * input.h (struct file_stack): Remove.
7437         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
7438         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
7439         Likewise.
7440         * diagnostic.h (struct diagnostic_context) <last_module>: Change
7441         type.
7442         (diagnostic_last_module_changed): Add 'map' argument.
7443         (diagnostic_set_last_function): Likewise.
7444         * diagnostic.c (undiagnostic_report_current_module): Iterate using
7445         line map, not input_file_stack.
7446         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
7447
7448 2008-02-29  Paul Brook  <paul@codesourcery.com>
7449
7450         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
7451
7452 2008-02-29  Paul Brook  <paul@codesourcery.com>
7453
7454         * config/arm/ieee754-df.S (muldf3): Use RET macros.
7455
7456 2008-02-29  Richard Guenther  <rguenther@suse.de>
7457
7458         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
7459         vn_lookup_or_add.
7460         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
7461         value for comparing for a store match.
7462         (simplify_unary_expression): Do nothing for SSA_NAMEs.
7463         (try_to_simplify): Do not do a full-blown reference lookup.
7464
7465 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
7466
7467         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
7468         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
7469
7470         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
7471
7472 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
7473
7474         * tree-loop-linear.c (try_interchange_loops): Compare memory access
7475         strides against cache sizes.
7476
7477 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
7478
7479         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
7480         constant to fpul.
7481
7482 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
7483
7484         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
7485         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
7486         is smaller than the original promoted value.
7487         (simplify_subreg): If OP is a SUBREG, try to preserve its
7488         SUBREG_PROMOTED_VAR_P information.
7489
7490 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
7491
7492         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
7493         (VN_INFO_GET): Allocate new objects on the obstack.
7494         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
7495         for rpo_numbers_temp, for consistency.
7496         (free_scc_vn): Free the obstack.
7497
7498 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
7499
7500         * doc/invoke.texi: Document -ftree-loop-distribution.
7501         * tree-loop-distribution.c: New.
7502         * tree-pass.h (pass_loop_distribution): New.
7503         * graphds.h (struct graph): Add htab_t indices.
7504         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
7505         * tree-vectorizer.c (rename_variables_in_loop): Extern.
7506         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
7507         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
7508         * tree-data-ref.c (debug_data_dependence_relations): New.
7509         (dump_data_dependence_relation): Also print data references.
7510         (free_data_ref): Extern.
7511         (same_access_functions): Moved...
7512         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
7513         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
7514         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
7515         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
7516         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
7517         (stmts_from_loop): Skip LABEL_EXPR.
7518         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
7519         New.
7520         (build_rdg): Initialize rdg->indices htab.
7521         (free_rdg, stores_from_loop, ref_base_address,
7522         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
7523         have_similar_memory_accesses_1, ref_base_address_1,
7524         remove_similar_memory_refs): New.
7525         * tree-data-ref.h: Depend on tree-chrec.h.
7526         (debug_data_dependence_relations, free_data_ref): Declared.
7527         (same_access_functions): ... here.
7528         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
7529         New.
7530         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
7531         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
7532         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
7533         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
7534         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
7535         rdg_vertex_for_stmt): Declared.
7536         (struct rdg_edge): Add level.
7537         (RDGE_LEVEL): New.
7538         (free_rdg, stores_from_loop, remove_similar_memory_refs,
7539         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
7540         Declared.
7541         (rdg_has_similar_memory_accesses): New.
7542         * tree-vect-analyze.c: Remove unused static decls.
7543         * lambda.h (dependence_level): New.
7544         * common.opt (ftree-loop-distribution): New.
7545         * tree-flow.h (mark_virtual_ops_in_bb,
7546         slpeel_tree_duplicate_loop_to_edge_cfg,
7547         rename_variables_in_loop): Declared.
7548         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
7549         (OBJS-common): Add tree-loop-distribution.o.
7550         (tree-loop-distribution.o): New rule.
7551         * tree-cfg.c (mark_virtual_ops_in_bb): New.
7552         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
7553         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
7554
7555 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
7556
7557         PR target/33963
7558         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
7559         other than structures and unions.
7560
7561 2008-02-28  Richard Guenther  <rguenther@suse.de>
7562
7563         Revert:
7564         2008-02-26  Richard Guenther  <rguenther@suse.de>
7565
7566         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
7567         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
7568         (lookup_decl_from_uid): Declare.
7569         (remove_decl_from_map): Likewise.
7570         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
7571         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
7572         (decl_for_uid_map): New global hashtable mapping DECL_UID
7573         to the decl tree.
7574         (init_ttree): Allocate it.
7575         (insert_decl_to_uid_decl_map): New helper function.
7576         (make_node_stat): Insert new decls into the map.
7577         (copy_node_stat): Likewise.
7578         (lookup_decl_from_uid): New function.
7579         (remove_decl_from_map): Likewise.
7580         (print_decl_for_uid_map_statistics): New helper.
7581         (dump_tree_statistics): Call it.
7582
7583         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
7584         (referenced_var_iterator): Adjust.
7585         (FOR_EACH_REFERENCED_VAR): Adjust.
7586         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
7587         (num_referenced_vars): Adjust.
7588         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
7589         (first_referenced_var): Remove.
7590         (end_referenced_vars_p): Likewise.
7591         (next_referenced_var): Likewise.
7592         (referenced_var_iterator_set): New helper function.
7593         * tree-dfa.c (referenced_var_lookup): Adjust.
7594         (referenced_var_check_and_insert): Likewise.
7595         (remove_referenced_var): Likewise.
7596         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
7597         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7598         (verify_call_clobbering): Likewise.
7599         (verify_memory_partitions): Likewise.
7600         (init_tree_ssa): Allocate bitmap instead of hashtable for
7601         referenced_vars.
7602         (delete_tree_ssa): Adjust.
7603         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
7604         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7605         (compute_tag_properties): Likewise.
7606         (set_initial_properties): Likewise.
7607         (find_partition_for): Likewise.
7608         (update_reference_counts): Likewise.
7609         (dump_may_aliases_for): Likewise.
7610         * tree-ssa-operands.c (add_virtual_operand): Likewise.
7611         (add_call_clobber_ops): Likewise.
7612         (add_call_read_ops): Likewise.
7613         (get_asm_expr_operands): Likewise.
7614         * tree-into-ssa.c (dump_decl_set): Likewise.
7615         (update_ssa): Likewise.
7616         * tree-sra.c (scan_function): Likewise.
7617         (decide_instantiations): Likewise.
7618         (scalarize_parms): Likewise.
7619         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
7620         (dsa_named_for): Likewise.
7621         * tree-ssa-structalias.c (update_alias_info): Likewise.
7622         (merge_smts_into): Likewise.
7623
7624 2008-02-27  David Daney  <ddaney@avtrex.com>
7625
7626         PR target/34409
7627         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
7628         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
7629         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
7630         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
7631         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
7632
7633 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
7634
7635         PR target/25477
7636         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
7637         (BUILT_IN_NEXTTOWARD): Remove.
7638         (BUILT_IN_NEXTTOWARDF): Ditto.
7639         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
7640         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
7641
7642 2008-02-27  Tom Tromey  <tromey@redhat.com>
7643
7644         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
7645         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
7646
7647 2008-02-27  Jan Beulich  <jbeulich@novell.com>
7648
7649         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
7650         update the respective field on newdecl.
7651
7652 2008-02-27  Revital Eres  <eres@il.ibm.com>
7653
7654         PR rtl-optimization/34999
7655         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
7656         crossing edges that ends with a call insn.
7657         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
7658         call insn and clear the EDGE_CROSSING flag of the crossing edge
7659         when fixing fallthru edges.
7660
7661 2008-02-27  Richard Guenther  <rguenther@suse.de>
7662
7663         PR middle-end/35390
7664         * fold-const.c (fold_unary): Return the correct argument,
7665         converted to the result type.
7666
7667 2008-02-27  Richard Guenther  <rguenther@suse.de>
7668
7669         PR middle-end/34971
7670         * expr.c (expand_expr_real_1): Assert on rotates that operate
7671         on partial modes.
7672         * fold-const.c (fold_binary): Use the types precision, not the
7673         bitsize of the mode if folding rotate expressions.  Build rotates
7674         only for full modes.
7675
7676 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
7677
7678         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
7679         and CPP_PRAGMA_EOL.
7680         * c-pragma.c (pragma_ns_name): New typedef.
7681         (registered_pp_pragmas): New variable.
7682         (c_pp_lookup_pragma): New function.
7683         (c_register_pragma_1): If flag_preprocess_only, do nothing
7684         for non-expanded pragmas, for expanded ones push pragma's
7685         namespace and name into registered_pp_pragmas vector.
7686         (c_invoke_pragma_handler): Register OpenMP pragmas even when
7687         flag_preprocess_only, don't register GCC pch_preprocess
7688         pragma if flag_preprocess_only.
7689         * c-opts.c (c_common_init): Call init_pragma even if
7690         flag_preprocess_only.
7691         * c-pragma.c (c_pp_lookup_pragma): New prototype.
7692         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
7693         cpp_register_pragma if flag_preprocess_only.
7694
7695 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7696
7697         PR c/28800
7698         * c-parser.c (c_parser_translation_unit): Warn for empty
7699         translation unit, not empty source file.
7700
7701 2008-02-26  Paul Brook  <paul@codesourcery.com>
7702
7703         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
7704         operand for Thumb-2.
7705         * config/arm/arm.h (reg_class): Add CORE_REGS.
7706         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
7707         (BASE_REG_CLASS): Use CORE_REGS.
7708         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
7709         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
7710         (REGNO_OK_FOR_INDEX_P): Exclude SP.
7711         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
7712         ARM_REGNO_OK_FOR_INDEX_P.
7713         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
7714         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
7715         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
7716         (ldm/stm peepholes): Ditto.
7717         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
7718         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
7719         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
7720         * config/arm/constraints.md: Enable "k" constraint on ARM.
7721
7722 2008-02-27  Ben Elliston  <bje@au.ibm.com>
7723
7724         * config/rs6000/rs6000.c: Annotate cache line size field in all
7725         instances of struct processor_costs.
7726
7727 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
7728
7729         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
7730         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
7731         jump_bypass): New counters.
7732         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
7733         * dce.c (gate_ud_dce): Same.
7734         (gate_fast_dce): Same.
7735         * dse.c (gate_dse1): New function.
7736         (gate_dse2): New function.
7737         (gate_dse): Merge results of new gate functions.
7738         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
7739         (gate_handle_jump_bypass): Add dbg_cnt.
7740         (gate_handle_gcse): Add dbg_cnt.
7741         * ifcvt.c (gate_handle_if_conversion): Same.
7742         (gate_handle_if_after_combine): Same.
7743         (gate_handle_if_after_reload): Same.
7744         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
7745
7746 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
7747
7748         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
7749         line sizes.
7750         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
7751
7752 2008-02-26  Jason Merrill  <jason@redhat.com>
7753
7754         PR c++/35315
7755         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
7756         alone if it's the naming decl for the type's main variant.
7757
7758 2008-02-26  Tom Tromey  <tromey@redhat.com>
7759
7760         * system.h (USE_MAPPED_LOCATION): Poison.
7761         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
7762         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
7763         (make_goto_expr_edges): Likewise.
7764         (remove_bb): Likewise.
7765         (execute_warn_function_return): Likewise.
7766         * basic-block.h (struct edge_def) <goto_locus>: Change type to
7767         location_t.
7768         * c-common.c (fname_decl): Remove old location code.
7769         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
7770         location code.
7771         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
7772         variant.
7773         (ASM_INPUT_SOURCE_LOCATION): Likewise.
7774         (gen_rtx_ASM_INPUT): Likewise.
7775         (gen_rtx_ASM_INPUT_loc): Likewise.
7776         (get_rtx_asm_OPERANDS): Remove.
7777         * cfglayout.c (insn_locators_alloc): Remove old location code.
7778         (set_curr_insn_source_location): Likewise.
7779         (curr_insn_locator): Likewise.
7780         * print-tree.c (print_node): Remove old location code.
7781         * tree-mudflap.c (mf_varname_tree): Remove old location code.
7782         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
7783         * cfgexpand.c (expand_gimple_cond_expr): Don't use
7784         location_from_locus.
7785         (construct_exit_block): Remove old location code.
7786         * emit-rtl.c (force_next_line_note): Remove old location code.
7787         * profile.c (branch_prob): Remove old location code.
7788         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
7789         LOC_LINE): Remove old-location variants.
7790         * langhooks.c (lhd_print_error_function): Remove old location
7791         code.
7792         * configure, config.in: Rebuilt.
7793         * configure.ac (--enable-mapped-location): Remove.
7794         * c-decl.c (c_init_decl_processing): Remove old location code.
7795         (finish_function): Likewise.
7796         * recog.c (decode_asm_operands): Remove old location code.
7797         * c-pch.c (c_common_read_pch): Remove old location code.
7798         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
7799         variants.
7800         * gimple-low.c (lower_function_body): Remove old location code.
7801         * toplev.c (unknown_location): Remove.
7802         (push_srcloc): Remove old-location variant.
7803         (process_options): Remove old location code.
7804         (lang_dependent_init): Likewise.
7805         * input.h (UNKNOWN_LOCATION): Move definition.
7806         (location_t): Undeprecate.
7807         (source_locus): Remove.
7808         (location_from_locus): Remove.
7809         (struct location_s): Remove.
7810         Remove all old-location code.
7811         (input_line, input_filename): Remove.
7812         * final.c (final_scan_insn): Remove old location code.
7813         * diagnostic.c (diagnostic_build_prefix): Remove
7814         USE_MAPPED_LOCATION test.
7815         * tree.h (gimple_stmt) <locus>: Now a location_t.
7816         (tree_exp) <locus>: Likewise.
7817         (DECL_IS_BUILTIN): Remove old-location variant.
7818         (annotate_with_file_line, annotate_with_locus): Likewise.
7819         (expr_locus, set_expr_locus): Update.
7820         * tree.c (build1_stat): Remove old location code.
7821         (last_annotated_node): Remove.
7822         (annotate_with_file_line): Remove old-location variant.
7823         (annotate_with_locus): Likewise.
7824         (expr_location): Remove old location code.
7825         (set_expr_location): Likewise.
7826         (expr_has_location): Likewise.
7827         (expr_locus): Likewise.
7828         (set_expr_locus): Likewise.
7829         (expr_filename): Don't use location_from_locus.
7830         (expr_lineno): Likewise.
7831         * rtl-error.c (location_for_asm): Remove old location code.
7832         * c-lex.c (cb_line_change): Remove old location code.
7833         (fe_file_change): Likewise.
7834         (cb_def_pragma): Likewise.
7835         (c_lex_with_flags): Likewise.
7836         * gengtype.c (do_typedef): Don't special-case location types.
7837         (define_location_structures): Remove.
7838         (main): Don't call define_location_structures.
7839         * tree-pretty-print.c (dump_implicit_edges): Remove old location
7840         code.
7841
7842 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7843
7844         PR 26264
7845         * builtins.def (BUILT_IN_STDARG_START): Remove.
7846         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
7847         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
7848         * tree-inline.c (inline_forbidden_p_1): Likewise.
7849
7850 2008-02-26  Richard Guenther  <rguenther@suse.de>
7851
7852         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
7853         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
7854         (lookup_decl_from_uid): Declare.
7855         (remove_decl_from_map): Likewise.
7856         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
7857         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
7858         (decl_for_uid_map): New global hashtable mapping DECL_UID
7859         to the decl tree.
7860         (init_ttree): Allocate it.
7861         (insert_decl_to_uid_decl_map): New helper function.
7862         (make_node_stat): Insert new decls into the map.
7863         (copy_node_stat): Likewise.
7864         (lookup_decl_from_uid): New function.
7865         (remove_decl_from_map): Likewise.
7866         (print_decl_for_uid_map_statistics): New helper.
7867         (dump_tree_statistics): Call it.
7868
7869         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
7870         (referenced_var_iterator): Adjust.
7871         (FOR_EACH_REFERENCED_VAR): Adjust.
7872         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
7873         (num_referenced_vars): Adjust.
7874         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
7875         (first_referenced_var): Remove.
7876         (end_referenced_vars_p): Likewise.
7877         (next_referenced_var): Likewise.
7878         (referenced_var_iterator_set): New helper function.
7879         * tree-dfa.c (referenced_var_lookup): Adjust.
7880         (referenced_var_check_and_insert): Likewise.
7881         (remove_referenced_var): Likewise.
7882         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
7883         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7884         (verify_call_clobbering): Likewise.
7885         (verify_memory_partitions): Likewise.
7886         (init_tree_ssa): Allocate bitmap instead of hashtable for
7887         referenced_vars.
7888         (delete_tree_ssa): Adjust.
7889         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
7890         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7891         (compute_tag_properties): Likewise.
7892         (set_initial_properties): Likewise.
7893         (find_partition_for): Likewise.
7894         (update_reference_counts): Likewise.
7895         (dump_may_aliases_for): Likewise.
7896         * tree-ssa-operands.c (add_virtual_operand): Likewise.
7897         (add_call_clobber_ops): Likewise.
7898         (add_call_read_ops): Likewise.
7899         (get_asm_expr_operands): Likewise.
7900         * tree-into-ssa.c (dump_decl_set): Likewise.
7901         (update_ssa): Likewise.
7902         * tree-sra.c (scan_function): Likewise.
7903         (decide_instantiations): Likewise.
7904         (scalarize_parms): Likewise.
7905         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
7906         (dsa_named_for): Likewise.
7907         * tree-ssa-structalias.c (update_alias_info): Likewise.
7908         (merge_smts_into): Likewise.
7909
7910 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7911
7912         PR 34351
7913         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
7914         * c-opts.c (c_common_handle_option): Wall enables
7915         Wvolatile-register-var.
7916         * common.opt: Move Wvolatile-register-var to...
7917         * c.opt: ...here.
7918
7919 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7920
7921         * common.opt (Wlarger-than=): New.
7922         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
7923         -Wlarger-than=.
7924         * opts.c (common_handle_option): Handle -Wlarger-than=.
7925         * optc-gen.awk: Likewise.
7926         * opth-gen.awk: Likewise.
7927         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
7928         * tree-optimize.c (tree_rest_of_compilation): Likewise.
7929
7930 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
7931
7932         * c-common.c (match_case_to_enum_1): Add appropriate
7933         OPT_W* parameter to warning.
7934         (c_do_switch_warnings): Likewise.
7935         * c-typeck.c (warning_init): Add one more parameter following
7936         'warning' function.
7937         (push_init_level): Update call to warning_init.
7938         (pop_init_level): Likewise.
7939         (add_pending_init): Likewise.
7940         (output_init_element: Likewise.
7941
7942 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7943
7944         PR 28322
7945         * toplev.c (toplev_main): If there are warnings or error, print
7946         errors for ignored options.
7947         * opts.c (ignored_options): New static variable.
7948         (postpone_unknown_option_error): New.
7949         (print_ignored_options): New.
7950         (handle_option): Postpone errors for unknown -Wno-* options.
7951         * opts.h (print_ignored_options): Declare.
7952
7953 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
7954
7955         * config/mips/mips.md (loadgp_blockage, blockage): Change type
7956         to "ghost".
7957
7958 2008-02-25  Richard Guenther  <rguenther@suse.de>
7959
7960         Revert:
7961         2008-02-25  Richard Guenther  <rguenther@suse.de>
7962
7963         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
7964         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
7965         (lookup_decl_from_uid): Declare.
7966         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
7967         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
7968         (decl_for_uid_map): New global hashtable mapping DECL_UID
7969         to the decl tree.
7970         (init_ttree): Allocate it.
7971         (insert_decl_to_uid_decl_map): New helper function.
7972         (make_node_stat): Insert new decls into the map.
7973         (copy_node_stat): Likewise.
7974         (lookup_decl_from_uid): New function.
7975         (print_decl_for_uid_map_statistics): New helper.
7976         (dump_tree_statistics): Call it.
7977
7978         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
7979         (referenced_var_iterator): Adjust.
7980         (FOR_EACH_REFERENCED_VAR): Adjust.
7981         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
7982         (num_referenced_vars): Adjust.
7983         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
7984         (first_referenced_var): Remove.
7985         (end_referenced_vars_p): Likewise.
7986         (next_referenced_var): Likewise.
7987         (referenced_var_iterator_set): New helper function.
7988         * tree-dfa.c (referenced_var_lookup): Adjust.
7989         (referenced_var_check_and_insert): Likewise.
7990         (remove_referenced_var): Likewise.
7991         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
7992         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7993         (verify_call_clobbering): Likewise.
7994         (verify_memory_partitions): Likewise.
7995         (init_tree_ssa): Allocate bitmap instead of hashtable for
7996         referenced_vars.
7997         (delete_tree_ssa): Adjust.
7998         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
7999         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
8000         (compute_tag_properties): Likewise.
8001         (set_initial_properties): Likewise.
8002         (find_partition_for): Likewise.
8003         (update_reference_counts): Likewise.
8004         (dump_may_aliases_for): Likewise.
8005         * tree-ssa-operands.c (add_virtual_operand): Likewise.
8006         (add_call_clobber_ops): Likewise.
8007         (add_call_read_ops): Likewise.
8008         (get_asm_expr_operands): Likewise.
8009         * tree-into-ssa.c (dump_decl_set): Likewise.
8010         (update_ssa): Likewise.
8011         * tree-sra.c (scan_function): Likewise.
8012         (decide_instantiations): Likewise.
8013         (scalarize_parms): Likewise.
8014         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
8015         (dsa_named_for): Likewise.
8016         * tree-ssa-structalias.c (update_alias_info): Likewise.
8017         (merge_smts_into): Likewise.
8018
8019 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
8020
8021         PR fortran/29549
8022         * doc/invoke.texi (-fcx-limited-range): Document new option.
8023         * toplev.c (process_options): Handle -fcx-fortran-rules.
8024         * common.opt: Add documentation for -fcx-fortran-rules.
8025
8026 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
8027
8028         PR c/35162
8029         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
8030         actual behaviour and C99.
8031
8032 2008-02-26  Ben Elliston  <bje@au.ibm.com>
8033
8034         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
8035         (ASM_CPU_POWER6_SPEC): Likewise.
8036         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
8037         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
8038         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
8039
8040 2008-02-25  Richard Guenther  <rguenther@suse.de>
8041
8042         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
8043         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
8044         (lookup_decl_from_uid): Declare.
8045         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
8046         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
8047         (decl_for_uid_map): New global hashtable mapping DECL_UID
8048         to the decl tree.
8049         (init_ttree): Allocate it.
8050         (insert_decl_to_uid_decl_map): New helper function.
8051         (make_node_stat): Insert new decls into the map.
8052         (copy_node_stat): Likewise.
8053         (lookup_decl_from_uid): New function.
8054         (print_decl_for_uid_map_statistics): New helper.
8055         (dump_tree_statistics): Call it.
8056
8057         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
8058         (referenced_var_iterator): Adjust.
8059         (FOR_EACH_REFERENCED_VAR): Adjust.
8060         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
8061         (num_referenced_vars): Adjust.
8062         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
8063         (first_referenced_var): Remove.
8064         (end_referenced_vars_p): Likewise.
8065         (next_referenced_var): Likewise.
8066         (referenced_var_iterator_set): New helper function.
8067         * tree-dfa.c (referenced_var_lookup): Adjust.
8068         (referenced_var_check_and_insert): Likewise.
8069         (remove_referenced_var): Likewise.
8070         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
8071         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
8072         (verify_call_clobbering): Likewise.
8073         (verify_memory_partitions): Likewise.
8074         (init_tree_ssa): Allocate bitmap instead of hashtable for
8075         referenced_vars.
8076         (delete_tree_ssa): Adjust.
8077         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
8078         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
8079         (compute_tag_properties): Likewise.
8080         (set_initial_properties): Likewise.
8081         (find_partition_for): Likewise.
8082         (update_reference_counts): Likewise.
8083         (dump_may_aliases_for): Likewise.
8084         * tree-ssa-operands.c (add_virtual_operand): Likewise.
8085         (add_call_clobber_ops): Likewise.
8086         (add_call_read_ops): Likewise.
8087         (get_asm_expr_operands): Likewise.
8088         * tree-into-ssa.c (dump_decl_set): Likewise.
8089         (update_ssa): Likewise.
8090         * tree-sra.c (scan_function): Likewise.
8091         (decide_instantiations): Likewise.
8092         (scalarize_parms): Likewise.
8093         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
8094         (dsa_named_for): Likewise.
8095         * tree-ssa-structalias.c (update_alias_info): Likewise.
8096         (merge_smts_into): Likewise.
8097
8098 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
8099
8100         PR target/35258
8101         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
8102         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
8103         * alias.h (nonoverlapping_memrefs_p): Likewise.
8104
8105 2008-02-25  Jan Beulich  <jbeulich@novell.com>
8106
8107         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
8108         * config/i386/netware-libgcc.exp: Add __bswap?i2,
8109         __emultls_get_address, __emultls_register_common,
8110         __floatundi?f, and _Unwind_GetIPInfo.
8111         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
8112         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
8113         (gen_regparm_prefix): Likewise.
8114         (i386_nlm_encode_section_info): Sync with
8115         config/i386/winnt.c:i386_pe_encode_section_info().
8116         (i386_nlm_maybe_mangle_decl_assembler_name): New.
8117         i386_nlm_mangle_decl_assembler_name): New.
8118         (netware_override_options): New.
8119         * config/i386/netware.h (netware_override_options): Declare.
8120         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
8121         (i386_nlm_mangle_decl_assembler_name): Declare.
8122         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
8123
8124 2008-02-25  Ben Elliston  <bje@au.ibm.com>
8125
8126         PR other/32948
8127         * c-decl.c (grokdeclarator): Remove unused local variables
8128         `typedef_type' and `type_as_written'.
8129         * bb-reorder.c
8130         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
8131         unused local variable `has_hot_blocks'.
8132         (fix_crossing_conditional_branches): Remove unused local variable
8133         `prev_bb'.
8134
8135 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
8136
8137         PR middle-end/19984
8138         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
8139         using DEF_C99_BUILTIN.
8140         (BUILT_IN_NANF): Ditto.
8141         (BUILT_IN_NANL): Ditto.
8142
8143 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
8144             Revital Eres  <eres@il.ibm.com>
8145
8146         * modulo-sched.c (calculate_must_precede_follow): Address TODO
8147         regarding the order of two dependent insns in the same row.
8148
8149 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
8150
8151         * stor-layout.c (layout_decl): Do not bump the alignment of a
8152         bit-field to more than byte alignment if it is packed.
8153
8154 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
8155
8156         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
8157         e300c2 and e300c3.
8158
8159 2008-02-24  Diego Novillo  <dnovillo@google.com>
8160
8161         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
8162
8163         PR 33738
8164         * tree-vrp.c (vrp_evaluate_conditional): With
8165         -Wtype-limits, emit a warning when comparing against a
8166         constant outside the natural range of OP0's type.
8167         * c.opt (Wtype-limits): Move ...
8168         * common.opt (Wtype-limits): ... here.
8169
8170 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
8171
8172         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
8173         * config/rs6000/e300c2c3.md: New file.
8174         * config/rs6000/rs6000.c (processor_costs): Add new costs for
8175         e300c2 and e300c3.
8176         (rs6000_override_options): Add e300c2 and e300c3 cases to
8177         processor_target_table. Do not allow usage of Altivec or Spe
8178         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
8179         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
8180         * config/rs6000/rs6000.h (processor_type): Add
8181         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
8182         (ASM_CPU_SPEC): Add e300c2 and e300c3.
8183         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
8184         and ppce300c3. Include e300c2c3.md.
8185
8186 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
8187
8188         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
8189         instead of TARGET_STRICT_ALIGN.
8190
8191 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
8192
8193         * explow.c (memory_address): Assert that the generated address is
8194         valid.
8195
8196 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
8197
8198         PR target/25477
8199         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
8200         * config/darwin-ppc-ldouble-patch.def: New file.
8201         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
8202         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
8203         SUBTARGET_INIT_BUILTINS if defined.
8204         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
8205         New functions.
8206
8207 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8208
8209         PR rtl-opt/33512
8210         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
8211         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
8212
8213 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8214
8215         PR pch/35027
8216         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
8217         file" warning condtional on -Winvalid-PCH.
8218
8219 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
8220
8221         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
8222
8223 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
8224
8225         PR target/22076
8226         PR target/34256
8227         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
8228         prevent reload from using MMX registers.
8229         (*mov<mode>_internal): Ditto.
8230         (*movv2sf_internal_rex64): Ditto.
8231         (*movv2sf_internal): Ditto.
8232
8233 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8234
8235         PR documentation/31569
8236         * doc/install.texi2html: Use makeinfo --no-number-sections.
8237
8238 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
8239
8240         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
8241         ensure that we can address an entire entity > 8 bytes.  Don't
8242         generate reg+reg addressing for such data.
8243
8244 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
8245
8246         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
8247         strings when optimizing for size, unless the target cares about
8248         alignment.
8249
8250 2008-02-22  Tom Tromey  <tromey@redhat.com>
8251
8252         * regclass.c (current_pass): Remove declaration.
8253
8254 2008-02-22  Anatoly Sokolov <aesok@post.ru>
8255
8256         * config/avr/libgcc.S (__RAMPZ__): Define.
8257         (__do_copy_data): Add for devices with 128KB code memory.
8258
8259 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
8260
8261         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
8262         Use spe_abi.
8263         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
8264
8265 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
8266
8267         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
8268         GENNONACR_REGS.
8269
8270 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8271
8272         PR c/19999
8273         * c-typeck.c (build_binary_op): Warn about floating point
8274         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
8275
8276 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
8277
8278         PR target/34526
8279         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
8280         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
8281         add vrsave.
8282         (rs6000_override_options): Set altivec_abi as default, not override,
8283         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
8284         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
8285         is used; use new member spe_abi.
8286         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
8287         spe_abi and altivec_abi.
8288
8289 2008-02-22  Tomas Bily  <tbily@suse.cz>
8290
8291         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
8292
8293 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8294
8295         PR bootstrap/35273
8296         * config.build (build_file_translate): Set to `CMD //c' only if
8297         it works.
8298         * Makefile.in (build_file_translate): Improve comment.
8299
8300 2008-02-21  Jan Hubicka  <jh@suse.cz>
8301
8302         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
8303         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
8304         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
8305
8306 2008-02-21  Michael Matz  <matz@suse.de>
8307
8308         PR target/35264
8309         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
8310
8311 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
8312
8313         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
8314         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
8315         as insn constraint.
8316         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
8317         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
8318         SSE_VEC_FLOAT_MODE_P as insn constraint.
8319         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
8320         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
8321         sse4a_movntdf using MODEF mode iterator.
8322         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
8323         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
8324         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
8325         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
8326         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
8327         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
8328         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
8329
8330 2008-02-21  Richard Guenther  <rguenther@suse.de>
8331
8332         * tree.def (PAREN_EXPR): New tree code.
8333         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
8334         and PAREN_EXPR.
8335         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
8336         * expr.c (expand_expr_real_1): Likewise.
8337         * tree-inline.c (estimate_num_insns_1): Likewise.
8338         * tree-complex.c (expand_complex_move): Likewise.
8339         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
8340         as plain x.
8341
8342 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
8343
8344         PR target/35225
8345         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
8346
8347 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
8348
8349         PR target/35190
8350         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
8351
8352         * config/sh/sh.c (find_barrier): Don't go past
8353         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
8354
8355 2008-02-20  DJ Delorie  <dj@redhat.com>
8356
8357         * config/h8300/h8300.md (insv): Force source operand to be a register.
8358
8359         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
8360         as a jump, not as a plain insn.
8361
8362 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
8363
8364         * doc/invoke.texi (Warning Options): Add new option
8365         -Wframe-larger-than=.
8366         (-Wframe-larger-than): Document.
8367
8368         * flags.h (warn_frame_larger_than, frame_larger_than_size):
8369         Add declarations for new option variables.
8370
8371         * final.c (final_start_function): Check the frame size
8372         before emission and issue a Wframe-larger-than warning.
8373
8374         * opts.c (warn_frame_larger_than, frame_larger_than_size):
8375         Add definitions for new option variables.
8376         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
8377
8378         * common.opt (Wframe-larger-than=): New option.
8379
8380 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
8381
8382         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
8383         (<sse>_div<mode>3): Ditto.
8384         (<sse>_vmdiv<mode>3): Ditto.
8385         (<sse>_vmsqrt<mode>2): Ditto.
8386         (*smax<mode>3): Ditto.
8387         (sse5_frcz<mode>2): Ditto.
8388         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
8389         as insn constraint.
8390
8391 2008-02-20  Richard Guenther  <rguenther@suse.de>
8392
8393         PR middle-end/35265
8394         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
8395         be happy with INTEGRAL_TYPE_P.
8396
8397 2008-02-20  Richard Guenther  <rguenther@suse.de>
8398
8399         * fold-const.c (split_tree): Associate floatig-point expressions
8400         if flag_associative_math is set.
8401
8402 2008-02-20  Richard Guenther  <rguenther@suse.de>
8403
8404         * tree.h (fold_real_zero_addition_p): Declare.
8405         * fold-const.c (fold_real_zero_addition_p): Export.
8406         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
8407         floating-point operations with zero and one.
8408
8409 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
8410
8411         * doc/install.texi: Correct references to CFLAGS, replacing them
8412         with BOOT_CFLAGS.  Document flags used during bootstrap for
8413         target libraries.
8414
8415 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
8416
8417         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
8418         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
8419         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
8420         insn constraint.
8421         (smin<mode>3): Ditto from similar patterns.
8422         (smax<mode>3): Ditto.
8423         (*ieee_smin<mode>3): Ditto.
8424         (*ieee_smax<mode>3): Ditto.
8425         * config/i386/sse.md (sse): New mode attribute.
8426         (mov<mode>): Macroize expander from movv4sf and movv2df using
8427         SSEMODEF2P mode iterator.
8428         (<sse>_movnt<mode>): Ditto from similar patterns. Use
8429         SSE_VEC_FLOAT_MODE_P as insn constraint.
8430         (storent<mode>): Ditto.
8431         (storent<mode>): Macroize expander from storentsf and storentdf using
8432         MODEF mode iterator.
8433         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
8434         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
8435         (abs<mode>2): Ditto from similar patterns.
8436         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
8437         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
8438         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
8439         (<sse>_vmsqrt<mode>2): Ditto.
8440         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
8441         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
8442         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
8443         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
8444         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
8445         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
8446         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
8447         insn constraint.
8448         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
8449         iterator and SSE_FLOAT_MODE_P as insn constraint.
8450         (<sse>_ucomi): Ditto from similar patterns.
8451         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
8452         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
8453         SSE_VEC_FLOAT_MODE_P as insn constraint.
8454         (vcond<mode>): Ditto from similar patterns.
8455         (and<mode>3, *and<mode>3): Ditto.
8456         (<sse>_nand<mode>3): Ditto.
8457         (ior<mode>3, *ior<mode>3): Ditto.
8458         (xor<mode>3, *xor<mode>3): Ditto.
8459         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
8460         iterator and SSE_FLOAT_MODE_P as insn constraint.
8461         (*nand<mode>3): Ditto from similar patterns.
8462         (*ior<mode>3): Ditto.
8463         (*xor<mode>3): Ditto.
8464
8465 2008-02-20  Ira Rosen  <irar@il.ibm.com>
8466
8467         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
8468         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
8469         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
8470
8471 2008-02-19  Jan Hubicka  <jh@suse.cz>
8472
8473         * predict.c (tree_bb_level_predictions): Remove variable next
8474         mistakely introduced by previous commit.
8475
8476 2008-02-19  Jan Hubicka  <jh@suse.cz>
8477
8478         * predict.c (predict_paths_leading_to): Rewrite.
8479         (predict_paths_for_bb): New.
8480         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
8481
8482 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8483
8484         PR bootstrap/35218
8485         * Makefile.in (build_file_translate): New.
8486         (gcc-vers.texi): Use it for translating $(abs_srcdir).
8487         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
8488         * configure.ac (build_file_translate): Substitute it.
8489         * configure: Regenerate.
8490
8491 2008-02-19  Jan Hubicka  <jh@suse.cz>
8492
8493         PR rtl-optimization/34408
8494         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
8495         invalid sharing.
8496
8497 2008-02-19  Jan Hubicka  <jh@suse.cz>
8498
8499         PR middle-end/28779
8500         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
8501         call_expr.
8502
8503 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
8504
8505         PR Ada/35186
8506         * config/i386/i386-modes.def: Revert the last DI alignment
8507         change until Ada people can look into it.
8508
8509 2008-02-19  Nick Clifton  <nickc@redhat.com>
8510
8511         * opts.c (print_specific_help): Fix typo in --help text.
8512
8513 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
8514
8515         PR target/35239
8516         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
8517         32-bit inline asm without asm alternatives for host GCC < 3.0.
8518
8519 2008-02-19  Richard Guenther  <rguenther@suse.de>
8520
8521         PR tree-optimization/34989
8522         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
8523         Allow propagation to INDIRECT_REF if we can simplify only.
8524
8525 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8526
8527         * c-common.c (warn_for_collisions_1): Use appropriate option when
8528         warning.
8529
8530 2008-02-19  Nick Clifton  <nickc@redhat.com>
8531
8532         PR other/31349
8533         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
8534         (handle_options): Fix indentation.
8535         (print_filtered_help): If no language-specific options were
8536         displayed tell the user how to list all the options supported by
8537         the language's front-end.
8538         (print_specific_help): Fix indentation and remove duplicate line.
8539         (common_handle_option): Handle the -v option.
8540         For --help enable the display of undocumented options if the -v
8541         switch has been included on the command line.
8542         For --help= check for overlaps in the arguments between the option
8543         classes and the language names and issue a warning when they
8544         cannot be disambiguated.
8545         * c.opt (v): Pass on to the common option handler.
8546
8547 2008-02-19  Revital Eres  <eres@il.ibm.com>
8548
8549         * modulo-sched.c (sms_schedule): Change dump message when
8550         create_ddg function fails.
8551         (try_scheduling_node_in_cycle): Rename row to cycle.
8552         (print_partial_schedule): Rename CYCLE to ROW.
8553
8554 2008-02-19  Christian Bruel  <christian.bruel@st.com>
8555             Zdenek Dvorak  <ook@ucw.cz>
8556
8557         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
8558
8559 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
8560
8561         PR target/33555
8562         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
8563         (*x86_movdicc_0_m1_se): Ditto.
8564
8565 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
8566
8567         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
8568         (CMPtype): Define as __gcc_CMPtype.
8569         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
8570         (CMPtype): Define as __gcc_CMPtype.
8571
8572 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
8573
8574         Support valgrind 3.3 for --enable-checking=valgrind.
8575         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
8576         here.
8577         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
8578         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
8579         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
8580         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
8581         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
8582         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
8583         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
8584         respectively.
8585         * ggc-zone.c: Similar.
8586         * ggc-page.c: Similar.
8587
8588 2008-02-19  Paul Brook  <paul@codesourcery.com>
8589
8590         PR target/35071
8591         * config/arm/ieee754-df.S: Fix do_it typo.
8592         * config/arm/ieee754-sf.S: Fix do_it typo.
8593
8594 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
8595
8596         PR target/35189
8597         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
8598         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
8599         (OPTION_MASK_ISA_SSE_SET): Likewise.
8600         (OPTION_MASK_ISA_SSE2_SET): Likewise.
8601         (OPTION_MASK_ISA_SSE3_SET): Likewise.
8602         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
8603         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
8604         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
8605         (OPTION_MASK_ISA_SSE4_SET): Likewise.
8606         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
8607         (OPTION_MASK_ISA_SSE5_SET): Likewise.
8608         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
8609         (OPTION_MASK_ISA_MMX_UNSET): Updated.
8610         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
8611         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
8612         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
8613         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
8614         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
8615         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
8616         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
8617         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
8618         (OPTION_MASK_ISA_SSE4): Removed.
8619         (ix86_handle_option): Turn on bits in ix86_isa_flags and
8620         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
8621         (override_options): Don't turn on implied SSE/MMX bits in
8622         ix86_isa_flags.
8623
8624 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
8625
8626         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
8627         32bit host.
8628
8629 2008-02-18  Joey Ye  <joey.ye@intel.com>
8630
8631         PR middle-end/34921
8632         * tree-nested.c (insert_field_into_struct): Set type alignment
8633         to field alignment if the former is less than the latter.
8634
8635 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
8636
8637         * BASE-VER: Set to 4.4.0.
8638
8639 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
8640
8641         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
8642         * doc/cfg.texi: Likewise.
8643         * doc/extend.texi: Likewise.
8644         * doc/gty.texi: Likewise.
8645         * doc/invoke.texi: Likewise.
8646         * doc/loop.texi: Likewise.
8647         * doc/md.texi: Likewise.
8648         * doc/passes.texi: Likewise.
8649         * doc/rtl.texi: Likewise.
8650         * doc/sourcebuild.texi: Likewise.
8651         * doc/tm.texi: Likewise.
8652         * doc/tree-ssa.texi: Likewise.
8653
8654 2008-02-17  Richard Guenther  <rguenther@suse.de>
8655
8656         PR middle-end/35227
8657         * tree-complex.c (init_parameter_lattice_values): Handle parameters
8658         without default definition.
8659
8660 2008-02-17  Richard Guenther  <rguenther@suse.de>
8661
8662         PR tree-optimization/35231
8663         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
8664         if A | B != 1.
8665
8666 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
8667
8668         Revert:
8669         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
8670         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
8671         libgcc_cmp_return mode.
8672
8673 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8674
8675         PR c/28368
8676         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
8677
8678 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
8679
8680         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
8681         multilibs.
8682
8683 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8684
8685         * doc/c-tree.texi: Use `@.' where appropriate.
8686         * doc/extend.texi: Likewise.
8687         * doc/install.texi: Likewise.
8688         * doc/invoke.texi: Likewise.
8689         * doc/loop.texi: Likewise.
8690         * doc/makefile.texi: Likewise.
8691         * doc/md.texi: Likewise.
8692         * doc/passes.texi: Likewise.
8693         * doc/standards.texi: Likewise.
8694         * doc/tm.texi: Likewise.
8695
8696 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
8697
8698         PR middle-end/35196
8699         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
8700         in entry_bb.
8701         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
8702         rather than in entry_bb.
8703
8704 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
8705
8706         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
8707         libgcc_cmp_return mode.
8708
8709 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
8710
8711         PR middle-end/35130
8712         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
8713         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
8714
8715 2008-02-15  Richard Guenther  <rguenther@suse.de>
8716             Zdenek Dvorak  <ook@ucw.cz>
8717
8718         PR tree-optimization/35164
8719         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
8720         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
8721         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
8722         Only propagate addresses which do not have abnormal SSA_NAMEs
8723         in their operands.
8724
8725 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
8726
8727         PR target/35088
8728         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
8729
8730 2008-02-15  Jan Hubicka  <jh@suse.cz>
8731
8732         PR middle-end/35149
8733         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
8734
8735 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
8736
8737         PR middle-end/34621
8738         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
8739         when calculating alignment_pad.
8740
8741 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
8742
8743         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
8744         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
8745         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
8746         and STACK_BOUNDARY define.
8747
8748 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
8749
8750         PR preprocessor/35061
8751         * c-pragma.c (handle_pragma_pop_macro): Check that
8752         pushed_macro_table has been allocated.
8753
8754 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
8755
8756         PR middle-end/35136
8757         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
8758         (force_gimple_operand): Likewise.
8759         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
8760         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
8761         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
8762         (find_interesting_uses_address): Check addressability and alignment
8763         of the base expression only after substituting bases of IVs into it.
8764
8765 2008-02-14  Michael Matz  <matz@suse.de>
8766
8767         PR target/34930
8768         * function.c (instantiate_virtual_regs_in_insn): Reload address
8769         before falling back to reloading the whole operand.
8770
8771 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
8772
8773         * config/s390/s390.c (s390_mainpool_start): Emit the pool
8774         before the first section switch note.
8775
8776 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
8777
8778         * doc/bugreport.texi: Update copyright years.
8779         * doc/c-tree.texi: Likewise.
8780         * doc/cfg.texi: Likewise.
8781         * doc/cpp.texi: Likewise.
8782         * doc/cppinternals.texi: Likewise.
8783         * doc/fragments.texi: Likewise.
8784         * doc/frontends.texi: Likewise.
8785         * doc/gcc.texi: Likewise.
8786         * doc/gty.texi: Likewise.
8787         * doc/hostconfig.texi: Likewise.
8788         * doc/implement-c.texi: Likewise.
8789         * doc/libgcc.texi: Likewise.
8790         * doc/loop.texi: Likewise.
8791         * doc/makefile.texi: Likewise.
8792         * doc/options.texi: Likewise.
8793         * doc/passes.texi: Likewise.
8794         * doc/rtl.texi: Likewise.
8795         * doc/sourcebuild.texi: Likewise.
8796         * doc/standards.texi: Likewise.
8797         * doc/tree-ssa.texi: Likewise.
8798         * doc/trouble.texi: Likewise.
8799
8800         * doc/extend.texi: Use @: or add comma where appropriate.
8801         * doc/invoke.texi: Likewise.
8802         * doc/tm.texi: Likewise.
8803
8804 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
8805
8806         PR target/34393
8807         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
8808         to a reg.
8809
8810 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
8811
8812         * doc/md.texi (clz, ctz): Add reference.
8813         * doc/rtl.texi (clz, ctz): Likewise.
8814
8815 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8816
8817         PR other/35148
8818         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
8819         srcdir.
8820
8821 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
8822
8823         * config/s390/s390.c (struct constant_pool): New field
8824         emit_pool_after added.
8825         (s390_mainpool_start): Set the emit_pool_after flag according
8826         to the section switch notes.
8827         (s390_mainpool_finish): Consider emit_pool_after when emitting
8828         the literal pool at the end of the function.
8829         (s390_chunkify_start): Force literal pool splits at section
8830         switch notes.
8831
8832 2008-02-13  Michael Matz  <matz@suse.de>
8833
8834         PR debug/35065
8835         * var-tracking.c (clobber_variable_part): Correctly traverse the
8836         list.
8837
8838 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8839
8840         PR 29673
8841         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
8842         Add -fdump-ipa-inline.
8843         * tree-dump.c (dump_files): Remove tree-inlined dump.
8844         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
8845
8846 2008-02-12  Richard Guenther  <rguenther@suse.de>
8847
8848         PR tree-optimization/35171
8849         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
8850         default defs.
8851
8852 2008-02-12  Richard Guenther  <rguenther@suse.de>
8853
8854         PR middle-end/35163
8855         * fold-const.c (fold_widened_comparison): Use get_unwidened in
8856         value-preserving mode.  Disallow final truncation.
8857
8858 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
8859
8860         PR middle-end/35136
8861         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
8862         code from here to...
8863         (force_gimple_operand): ...here.
8864
8865 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
8866
8867         PR c++/35144
8868         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
8869         non-compatible pointers.
8870         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
8871         different FIELD_DECLs, try harder by comparing field offsets, sizes
8872         and types.
8873
8874         PR inline-asm/35160
8875         * function.c (match_asm_constraints_1): Don't replace the same input
8876         multiple times.
8877
8878 2008-02-12  Anatoly Sokolov <aesok@post.ru>
8879
8880         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
8881         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
8882         (expand_epilogue): Restore RAMPZ register.
8883         * config/avr/avr.md (RAMPZ_ADDR): New constant.
8884
8885 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
8886
8887         * config/i386/cygwin.asm: (__alloca): Correct calling
8888         convention and alignment.
8889         (__chkstk): Force 8 byte stack alignment.
8890
8891 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
8892             Richard Guenther  <rguenther@suse.de>
8893
8894         PR tree-optimization/33992
8895         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
8896         the zero we compare against.
8897
8898 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
8899
8900         PR libfortran/35063
8901         * gthr-win32.h (__gthread_mutex_destroy_function): New function
8902         to CloseHandle after unlocking to prevent accumulation of handle
8903         count.
8904
8905 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8906
8907         PR middle_end/34150
8908         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
8909         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
8910         and update LABEL_NUSES during and after reload.
8911
8912 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
8913
8914         PR middle-end/34627
8915         * combine.c (simplify_if_then_else): Make sure the comparison is
8916         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
8917
8918 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
8919
8920         PR bootstrap/35051
8921         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
8922         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
8923         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
8924         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
8925         * tree.h (get_type_static_bounds): Likewise.
8926
8927 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8928
8929         * doc/invoke.texi (Option Summary, C++ Dialect Options)
8930         (Objective-C and Objective-C++ Dialect Options, Warning Options):
8931         Make -Wfoo language annotations match what the compiler outputs.
8932
8933 2008-02-08  Sa Liu  <saliu@de.ibm.com>
8934
8935         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
8936         intrinsics spu_convts, spu_convtu, spu_convtf.
8937
8938 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
8939
8940         * doc/extend.texi (Function Attributes) <noinline>: Mention
8941         asm ("") as method to keep calls.
8942
8943 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8944
8945         PR other/32754
8946         * doc/options.texi (Options): Replace references to opts.sh with
8947         optc-gen.awk.
8948         * opts-common.c: Likewise.
8949         * optc-gen.awk: Likewise.
8950
8951 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
8952
8953         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
8954
8955 2008-02-07  Richard Henderson  <rth@redhat.com>
8956
8957         PR rtl-opt/33410
8958         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
8959         EXPR_LIST for the REG_EQUAL instead of a comparison with a
8960         funny mode.
8961
8962 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
8963
8964         PR tree-optimization/35085
8965         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
8966         for operand entry oe2 in addition to operand entry oe3 in order to
8967         expose more opportunities for vectorizer sum reduction.
8968
8969 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8970
8971         PR other/35107
8972         * Makefile.in (LIBS): Remove $(GMPLIBS).
8973         (cc1-dummy, cc1): Add $(GMPLIBS).
8974
8975 2008-02-06  Jan Hubicka  <jh@suse.cz>
8976
8977         PR target/23322
8978         * i386.md (moddf_integer): Do not produce partial memory stalls for
8979         targets where it hurts.
8980
8981 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
8982
8983         PR target/35083
8984         * optabs.c (expand_float): Do not check for decimal modes when
8985         expanding unsigned integer through signed conversion.
8986
8987 2008-02-06  Nick Clifton  <nickc@redhat.com>
8988
8989         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
8990         inside the clobber with a match_operand and duplicated operand
8991         number in the constraint.
8992         (ineqbranchsi): Delete redundant comment.
8993
8994 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
8995
8996         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
8997         builtin_define ("__USE_INIT_FINI__").
8998         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
8999         -msx multilibs.
9000         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
9001
9002 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9003
9004         PR documentation/30330
9005         * doc/invoke.texi (C++ Dialect Options)
9006         (Objective-C and Objective-C++ Dialect Options, Warning Options):
9007         For each warning option -Wfoo that allows -Wno-foo, ensure both
9008         -Wfoo and -Wno-foo are listed in the option index.  Fix index
9009         entry of -Wswitch-default, index -Wnormalized= including the
9010         `=', and -Wlarger-than-@var{len} including @var{len}.
9011
9012 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
9013
9014         * config/i386/i386.md (floatunssisf2): Use
9015         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
9016         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
9017         Macroize expander using MODEF mode iterator.
9018
9019 2008-02-05  Diego Novillo  <dnovillo@google.com>
9020
9021         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
9022
9023         PR 33738
9024         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
9025
9026 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9027
9028         PR other/35070
9029         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
9030
9031 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
9032
9033         PR target/35084
9034         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
9035         to indicate if a message should be generated.
9036         (init_cumulative_args): Updated.
9037         (function_value_32): Likewise.
9038
9039 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
9040
9041         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
9042
9043 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
9044
9045         PR target/35083
9046         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
9047         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
9048
9049 2008-02-04  Diego Novillo  <dnovillo@google.com>
9050
9051         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
9052
9053         PR 33738
9054         * tree-vrp.c (vrp_evaluate_conditional): With
9055         -Wtype-limits, emit a warning when comparing against a
9056         constant outside the natural range of OP0's type.
9057
9058 2008-02-04  Richard Guenther  <rguenther@suse.de>
9059
9060         PR middle-end/33631
9061         * expr.c (count_type_elements): Give for unions instead of
9062         guessing.
9063
9064 2008-02-04  Richard Guenther  <rguenther@suse.de>
9065
9066         PR middle-end/35043
9067         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
9068         to TYPE_DOMAINs base type instead of using bitsizetype here.
9069
9070 2008-02-03  Jason Merrill  <jason@redhat.com>
9071
9072         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
9073
9074 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9075
9076         PR other/29972
9077         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
9078         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
9079         (RS/6000 and PowerPC Options): Fix typos and markup.
9080         * doc/passes.texi (Tree-SSA passes): Likewise.
9081
9082 2008-02-02  Michael Matz  <matz@suse.de>
9083
9084         PR target/35045
9085         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
9086         from record_last_reg_set_info.
9087         (record_last_reg_set_info): Take an RTX argument, iterate over all
9088         constituent hardregs.
9089         (record_last_set_info, record_opr_changes): Change calls to
9090         new signature or to record_last_reg_set_info_regno.
9091
9092 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
9093
9094         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
9095
9096 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
9097
9098         PR rtl-optimization/34773
9099         * reg-notes.def (EQUAL): Mention significance of combination of
9100         REG_EQUAL and REG_RETVAL.
9101         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
9102         insn that has a REG_RETVAL.
9103
9104 2008-02-01  Roger Sayle  <roger@eyesopen.com>
9105
9106         PR bootstrap/33781
9107         * configure.ac (--enable-fixed-point): Disable unless explicitly
9108         requested on IRIX.
9109         * configure: Regenerate.
9110
9111 2008-02-01  Richard Guenther  <rguenther@suse.de>
9112
9113         PR other/35042
9114         * invoke.texi (-finline-limit): Remove no longer true parts
9115         of the documentation.  Note that there is no default value.
9116
9117 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
9118             Mark Mitchell  <mark@codesourcery.com>
9119             Ben Elliston  <bje@au.ibm.com>
9120
9121         PR c/29326
9122         * doc/extend.texi (Other Builtins): Document.
9123
9124 2008-01-31  Tom Browder <tom.browder@gmail.com>
9125
9126         * doc/c-tree.texi (Types): Fix grammar.
9127         (Expression trees): Ditto.
9128         * doc/passes.texi (Tree-SSA passes): Ditto.
9129
9130         * doc/configterms.texi (Configure Terms): Fix typo.
9131         * doc/cpp.texi (Common Predefined Macros): Ditto.
9132         * doc/md.texi (Machine Constraints): Ditto.
9133
9134         * doc/makefile.texi (Makefile): Add comma.
9135
9136 2008-01-31  Tom Browder  <tom.browder@gmail.com>
9137             Gerald Pfeifer  <gerald@pfeifer.com>
9138
9139         * doc/sourcebuild.texi (Front End): Remove references to CVS
9140         and CVSROOT/modules.
9141         (Texinfo Manuals): Replace reference to CVS by one to SVN.
9142         (Back End): Remove reference to CVS.
9143
9144 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
9145
9146         PR target/34900
9147         * config/mips/mips.c (gen_load_const_gp): New function, taking a
9148         comment from...
9149         (mips16_gp_pseudo_reg): ...here.
9150         * config/mips/mips.md (load_const_gp): Replace with...
9151         (load_const_gp_<mode>): ...this :P-based insn.
9152
9153 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9154
9155         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
9156         options. Minor fixes.
9157         (-std): Move reference to standards closer to where language
9158         standards are first mentioned.
9159
9160 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
9161
9162         PR rtl-optimization/34995
9163         * reload.c (alternative_allows_const_pool_ref): Take an rtx
9164         parameter and return a bool.  If the rtx parameter is nonnull,
9165         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
9166         (find_reloads): Update call accordingly.  Pass the new operand
9167         if it needed no address reloads, otherwise pass null.
9168
9169 2008-01-30  Richard Henderson  <rth@redhat.com>
9170
9171         PR c/34993
9172         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
9173         for unbounded arrays.
9174
9175 2008-01-30  Silvius Rus  <rus@google.com>
9176
9177         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
9178
9179 2008-01-30  Jan Hubicka  <jh@suse.cz>
9180
9181         PR target/34982
9182         * i386.c (init_cumulative_args): Use real function declaration when
9183         calling locally.
9184
9185 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
9186
9187         PR rtl-optimization/34998
9188         * global.c (build_insn_chain): Treat non-subreg_lowpart
9189         SUBREGs of pseudos as clobbering all the words covered by the
9190         SUBREG, not just all the bytes.
9191         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
9192         original df_ref rather than an extract parameter.
9193         (global_conflicts): Update call accordingly.
9194
9195 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
9196
9197         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
9198         the overflow check to make it easier to read.
9199         (__fixtfdi): Change the type of the ll member in union
9200         long_double to UDItype_x.
9201
9202 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
9203
9204         PR middle-end/34969
9205         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
9206         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
9207         * tree-inline.c (fold_marked_statements): Call
9208         cgraph_update_edges_for_call_stmt if folding a call statement.
9209         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
9210         debug_generic_stmt calls, reset it back afterwards.
9211
9212         PR c/35017
9213         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
9214         static decls.
9215         * c-typeck.c (build_external_ref): Don't pedwarn about
9216         static vars in current function's scope.
9217
9218 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
9219
9220         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
9221
9222 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
9223
9224         PR c/35002
9225         * ipa-struct-reorg.c: Fix spelling.
9226         * params.def: Ditto.
9227
9228 2008-01-29  Richard Guenther  <rguenther@suse.de>
9229
9230         PR middle-end/35006
9231         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
9232         field.
9233         * tree-inline.c (remap_type): Increment remapping_type_depth
9234         around remapping types.
9235         (copy_body_r): Only add referenced variables if they are referenced
9236         from code, not types.
9237
9238 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
9239
9240         PR c++/34055
9241         PR c++/34103
9242         PR c++/34219
9243         PR c++/34606
9244         PR c++/34753
9245         PR c++/34754
9246         PR c++/34755
9247         PR c++/34919
9248         PR c++/34961
9249         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
9250         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
9251
9252 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
9253
9254         PR target/34412
9255         * config/avr/avr.c (expand_prologue): Use correct QI mode frame
9256         pointer for tiny stack.
9257
9258 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
9259
9260         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
9261
9262 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
9263
9264         * config/vx-common.h: Fix typo in comment.
9265
9266 2008-01-28  Ian Lance Taylor  <iant@google.com>
9267
9268         PR c++/34862
9269         PR c++/33407
9270         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
9271         coalesce pointers if they have different DECL_NO_TBAA_P values.
9272         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
9273         between variables with different DECL_NO_TBAA_P values.
9274
9275 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
9276
9277         PR 31535
9278         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
9279         are not legitimate small data references on SPE targets.
9280
9281 2008-01-28  David Daney  <ddaney@avtrex.com>
9282
9283         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
9284
9285 2008-01-28  David Daney  <ddaney@avtrex.com>
9286
9287         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
9288
9289 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
9290
9291         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
9292         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
9293         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
9294         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
9295         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
9296         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
9297         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
9298         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
9299
9300 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
9301
9302         * basic-block.h (condjump_equiv_p): Fix comment.
9303
9304 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
9305
9306         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
9307         print_generic_stmt_indented): Fix comment.
9308
9309 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
9310
9311         * configure.ac (__stack_chk_fail): Add detecion for availability
9312         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
9313         * configure: Regenerate.
9314
9315 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
9316
9317         PR middle-end/34688
9318         * final.c (output_addr_const): Handle TRUNCATE.
9319
9320 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
9321
9322         PR target/34711
9323         * tree-ssa-loop-ivopts.c (comp_cost): New type.
9324         (zero_cost, infinite_cost): New constants.
9325         (struct cost_pair): Change type of cost to comp_cost.
9326         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
9327         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
9328         New functions.
9329         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
9330         split_address_cost, ptr_difference_cost, difference_cost,
9331         get_computation_cost_at, get_computation_cost,
9332         determine_use_iv_cost_generic, determine_use_iv_cost_address,
9333         determine_use_iv_cost_condition, determine_use_iv_costs,
9334         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
9335         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
9336         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
9337         Change type of cost to comp_cost.
9338         (determine_iv_cost): Increase cost of non-original ivs, instead
9339         of decreasing the cost of original ones.
9340         (get_address_cost): Indicate the complexity of the addressing mode
9341         in comp_cost.
9342         (try_add_cand_for): Prefer using ivs not specific to some object.
9343         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
9344
9345 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
9346             Janis Johnson  <janis187@us.ibm.com>
9347
9348         PR target/34814
9349         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
9350         (TARGET_INSTANTIATE_DECLS): Likewise.
9351         * target.h (expand_to_rtl_hook): New target hook.
9352         (instantiate_decls): Likewise.
9353         * function.c (instantiate_decl): Make non-static.  Rename to...
9354         (instantiate_decl_rtl): ... this.
9355         (instantiate_expr): Use instantiate_decl_rtl.
9356         (instantiate_decls_1): Likewise.
9357         (instantiate_decls): Likewise.
9358         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
9359         * function.h (instantiate_decl_rtl): Add prototype.
9360         * cfgexpand.c (target.h): New include.
9361         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
9362         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
9363         (TARGET_INSTANTIATE_DECLS): Likewise.
9364         (TARGET_INITIALIZER): New target hooks added.
9365         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
9366         New prototype.
9367         * config/rs6000/rs6000.c (tree-flow.h): New include.
9368         (machine_function): Add sdmode_stack_slot field.
9369         (rs6000_alloc_sdmode_stack_slot): New function.
9370         (rs6000_instantiate_decls): Likewise.
9371         (rs6000_secondary_memory_needed_rtx): Likewise.
9372         (rs6000_check_sdmode): Likewise.
9373         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
9374         (TARGET_INSTANTIATE_DECLS): Likewise.
9375         (rs6000_hard_regno_mode_ok): Allow SDmode.
9376         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
9377         (rs6000_emit_move): Handle SDmode.
9378         (function_arg_advance): Likewise.
9379         (function_arg): Likewise.
9380         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
9381         SDmode var args for 32-bit compiles.
9382         (rs6000_secondary_reload_class): Handle SDmode.
9383         (rs6000_output_function_epilogue): Likewise.
9384         (rs6000_function_value): Simplify if statement.
9385         (rs6000_libcall_value): Likewise.
9386         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
9387         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
9388         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
9389         (movsd_hardfloat): New define_insn.
9390         (movsd_softfloat): Likewise.
9391         (movsd_store): Likewise.
9392         (movsd_load): Likewise.
9393         (extendsddd2): Likewise.
9394         (extendsdtd2): Likewise.
9395         (truncddsd2): Likewise.
9396         (movdd_hardfloat64): Fixup comment.
9397         (UNSPEC_MOVSD_LOAD): New constant.
9398         (UNSPEC_MOVSD_STORE): Likewise.
9399
9400 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
9401
9402         PR c++/34965
9403         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
9404         TRUTH_XOR_EXPR.
9405         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
9406         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
9407         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
9408         and TRUTH_XOR_EXPR.
9409
9410 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
9411
9412         PR target/34794
9413         * config.gcc: Separate AIX 5.3 from AIX 6.1.
9414         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
9415         __LONGDOUBLE128 too.
9416         * config/rs6000/aix61.h: New file.
9417
9418 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
9419
9420         PR rtl-optimization/34959
9421         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
9422         popcount and parity rtxes the same mode as their operand.
9423         Truncate or extend the result to the return value's mode
9424         if necessary.
9425
9426 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
9427
9428         PR target/34981
9429         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
9430         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
9431         to GOT_VERSION_REGNUM.
9432         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
9433         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
9434         * config/mips/mips.c (mips_emit_call_insn): New function.
9435         (mips_call_tls_get_addr): Call mips_expand_call directly.
9436         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
9437         emit_call_insn.
9438         (mips16_build_call_stub): Likewise.  Return the call insn or null.
9439         (mips_expand_call): Update the call to mips16_build_call_stub
9440         accordingly and a remove redundant condition.  Assert that MIPS16
9441         stubs do not use lazy binding.  Use mips_emit_call_insn and return
9442         the call insn.
9443         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
9444         TARGET_USE_GOT.
9445         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
9446         (mips_avoid_hazard): Remove hazard_set handling.
9447         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
9448         (UNSPEC_RESTORE_GP): ...this.
9449         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
9450         (FAKE_CALL_REGNO): Rename to...
9451         (GOT_VERSION_REGNUM): ...this.
9452         (type): Add "ghost" value.  Add an associated insn reservation.
9453         (hazard_set): Remove.
9454         (exception_receiver): Rename to...
9455         (restore_gp): ...this and update the unspec identifier accordingly.
9456         (exception_receiver, nonlocal_got_receiver): New expanders.
9457         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
9458         FAKE_CALL_REGNO.  Remove hazard_set attribute.
9459         (set_got_version, update_got_version): New patterns.
9460
9461 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
9462
9463         PR target/34970
9464         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
9465
9466 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
9467
9468         PR other/31955
9469         * doc/install.texi2html: Generate gcc-vers.texi.
9470
9471 2008-01-25  DJ Delorie  <dj@redhat.com>
9472
9473         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
9474
9475 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
9476
9477         * config/c4x: Remove directory.
9478         * config.gcc (crx-*, mt-*): Mark obsolete.
9479         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
9480         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
9481         sh-*-rtemscoff*): Remove cases.
9482         * defaults.h (C4X_FLOAT_FORMAT): Remove.
9483         * real.c (encode_c4x_single, decode_c4x_single,
9484         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
9485         c4x_extended_format): Remove.
9486         * real.h (c4x_single_format, c4x_extended_format): Remove.
9487         * doc/extend.texi (interrupt, naked): Remove mention of attributes
9488         on C4x.
9489         (Pragmas): Remove comment about c4x pragmas.
9490         * doc/install.texi (c4x): Remove target-specific instructions.
9491         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
9492         * doc/md.texi (Machine Constraints): Remove C4x documentation.
9493         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
9494         refer to C4x source files as examples.
9495         (C4X_FLOAT_FORMAT): Remove documentation.
9496
9497 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
9498
9499         * config/bfin/bfin.c (override_options): Reorder tests so that
9500         flag_pic gets enabled for -msep-data.
9501
9502 2008-01-25  Richard Guenther  <rguenther@suse.de>
9503
9504         PR middle-end/32244
9505         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
9506         to its bitfield precision if required.
9507
9508 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
9509
9510         PR middle-end/33880
9511         * tree-nested.c (walk_omp_for): New function.
9512         (convert_nonlocal_reference, convert_local_reference): Call
9513         walk_omp_for on OMP_FOR.
9514         (convert_call_expr): Call walk_body on OMP_FOR's
9515         OMP_FOR_PRE_INIT_BODY.
9516
9517 2008-01-25  Richard Guenther  <rguenther@suse.de>
9518
9519         PR tree-optimization/34966
9520         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
9521         default defs and PHI_NODEs we have to insert after the
9522         defining statement.
9523
9524 2008-01-24  Nick Clifton  <nickc@redhat.com>
9525
9526         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
9527         Provide a default definition.
9528         (LIBGCC2_UNITS_PER_WORD): Likewise.
9529
9530         * config/stormy16/stormy16.c: Include df.h for the prototype
9531         for df_regs_ever_live_p.
9532         (xstormy16_expand_builtin_va_start): Convert the stack offset
9533         into a component_ref and then use POINTER_PLUS_EXPR to add it
9534         to the incoming_virtual_args_rtx.
9535         (xstormy16_gimplify_va_arg_expr): Rename to
9536         xstormy16_gimplify_va_arg_expr.
9537         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
9538         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
9539         xstormy16_gimplify_va_arg_expr.
9540         Fix up some formatting issues.
9541
9542         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
9543         Move to predicates.md.
9544         (xs_hi_general_operand): Likewise.
9545         (xs_hi_nonmemory_operand): Likewise.
9546         * config/stormy16/predicates.md:
9547         (xstormy16_carry_plus_operand): New predicate.
9548         (xs_hi_general_operand): New predicate.
9549         (xs_hi_nonmemory_operand): New predicate.
9550         * config/stormy16/stormy16-protos.h:
9551         (xstormy16_carry_plus_operand): Delete prototype.
9552         (xs_hi_general_operand): Likewise.
9553         (xs_hi_nonmemory_operand): Likewise.
9554
9555         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
9556         modifiers as they are no longer needed and they can trigger
9557         reload spill failures.
9558
9559         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
9560         with a match_operand in order to help reload.
9561
9562         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
9563         constraint with 'e' for the 8th alternative as this version of
9564         the mov.w instruction only accepts the lower 8 registers.
9565
9566 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
9567
9568         PR target/34856
9569         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
9570         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
9571         vector elements.
9572
9573 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
9574
9575         PR middle-end/33333
9576         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
9577
9578 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
9579
9580         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
9581         New functions.
9582         (remove_structure): Update allocations list before removing structure.
9583
9584 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
9585
9586         * ipa-struct-reorg.c (is_safe_cond_expr,
9587         create_new_stmts_for_cond_expr): Use integer_zerop function,
9588         that recognize not only zero-pointer, but zero-integer too.
9589
9590 2008-01-25  Ben Elliston  <bje@au.ibm.com>
9591
9592         PR other/22232
9593         * fixproto: Escape "." in sed expression that strips leading "./".
9594
9595 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
9596
9597         PR driver/34904
9598         * gcc.c (SWITCH_OK): Removed.
9599         (SWITCH_LIVE): Changed to bit.
9600         (SWITCH_FALSE): Likewise.
9601         (SWITCH_IGNORE): Likewise.
9602         (switchstr): Change live_cond to unsigned int.
9603         (process_command): Replace SWITCH_OK with 0.
9604         (do_self_spec): Likewise.
9605         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
9606         (give_switch): Likewise.
9607         (used_arg): Likewise.
9608         (do_spec_1): Set the SWITCH_IGNORE bit.
9609         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
9610         bits.  Set the SWITCH_LIVE bit.
9611
9612 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
9613
9614         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
9615
9616 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
9617
9618         PR tree-optimization/34472
9619         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
9620         parameter to a "bool *" and set *DATA to false if there is
9621         an unsafe access.  Do not delete the structure here.
9622         (check_cond_exprs): Delete it here instead.
9623         (check_cond_exprs, exclude_cold_structs): Do not increase
9624         I when removing a structure.
9625
9626 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
9627
9628         PR target/34856
9629         * config/i386/i386.c (ix86_expand_vector_init): Consider only
9630         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
9631
9632 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
9633
9634         PR middle-end/34934
9635         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
9636         a fixed vector for stack.
9637
9638 2008-01-24  Ben Elliston  <bje@au.ibm.com>
9639
9640         PR c++/25701
9641         * doc/gcc.texi (Software development): Add a direntry for g++.
9642
9643 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
9644
9645         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
9646         stale and straggling -fforce-addr comments above.
9647
9648         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
9649         define.
9650         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
9651         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
9652
9653 2008-01-23  Michael Matz  <matz@suse.de>
9654
9655         PR debug/34895
9656         * dwarf2out.c (force_type_die): Use modified_type_die instead of
9657         gen_type_die.
9658
9659 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
9660
9661         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
9662         malloc result type.
9663
9664 2008-01-23 Anatoly Sokolov <aesok@post.ru>
9665
9666         * config/avr/avr.c (avr_current_arch): New variable.
9667         (avr_arch_types): Add 'avr31' and 'avr51' entries.
9668         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
9669         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
9670         (avr_override_options): Init 'avr_current_arch'.
9671         (base_arch_s): Move from here...
9672         * config/avr/avr.h (base_arch_s): ... here. Add new members
9673         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
9674         'mega' to 'have_jmp_call'.
9675         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
9676         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
9677         macros.
9678         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
9679         architectures.
9680         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
9681         MULTILIB_MATCHES): (Ditto.).
9682
9683 2008-01-23  Richard Guenther  <rguenther@suse.de>
9684
9685         PR middle-end/31529
9686         * cgraphunit.c (cgraph_reset_node): Always mark the node
9687         not reachable if it is not queued already.
9688
9689 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
9690
9691         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
9692         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
9693         (cputype_selected): New static variable.
9694         (bfin_handle_option): Set it if -mcpu is used.
9695         (override_option): Select default set of workarounds if no cpu type
9696         selected on the command line.
9697         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
9698
9699         From  Michael Frysinger  <michael.frysinger@analog.com>
9700         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
9701         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
9702
9703         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
9704         for bf547, bf523, bf524, and bf526.
9705         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
9706         bf526.
9707         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
9708         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
9709         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
9710         __ADSPBF547__ and __ADSPBF54x__ for bf547.
9711         * doc/invoke.texi (Blackfin Options): Document that
9712         -mcpu now accept bf547, bf523, bf524, and bf526.
9713
9714 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
9715
9716         PR rtl-optimization/34628
9717         * combine.c (try_combine): Stop and undo after the first combination
9718         if an autoincrement side-effect on the first insn has effectively
9719         been lost.
9720
9721 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
9722
9723         PR target/34529
9724         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
9725         Offset addresses are not valid for Altivec or paired float modes.
9726
9727 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
9728
9729         PR c++/34607
9730         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
9731         if DECL_INITIAL (decl) is error_mark_node.
9732
9733         PR c++/34914
9734         * c-common.c (handle_vector_size_attribute): Only allow
9735         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
9736         the same way as pointer, array etc. types.
9737         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
9738
9739         PR c++/34917
9740         * tree.c (build_type_attribute_qual_variant): Call
9741         build_qualified_type if attributes are equal, but quals are not.
9742
9743 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9744
9745         PR 32102
9746         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
9747         * flags.h (warn_strict_aliasing): Remove.
9748         (warn_strict_overflow): Remove.
9749         * opts.c (warn_strict_aliasing): Remove.
9750         (warn_strict_overflow): Remove.
9751         * c-opts.c (c_common_handle_option): -Wall only sets
9752         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
9753         (c_common_post_options): Give default values to -Wstrict-aliasing
9754         and -Wstrict-overflow if they are uninitialized.
9755         * common.opt (Wstrict-aliasing): Specify Var and Init.
9756         (Wstrict-overflow): Likewise.
9757
9758 2008-01-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
9759
9760         PR rtl-optimization/26854
9761         PR rtl-optimization/34400
9762         PR rtl-optimization/34884
9763         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
9764         DF_RD->gen.
9765         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
9766         (df_rd_bb_info.expanded_lr_out): Deleted
9767         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
9768         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
9769         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
9770         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
9771         Removed code to allocate, initialize or free expanded_lr_out.
9772         (df_rd_bb_local_compute_process_def): Restructured to make more
9773         understandable.
9774         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
9775         sets if the sets are being trimmed.
9776
9777 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
9778
9779         PR bootstrap/32287
9780         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
9781         (as_vers): Likewise.
9782         * configure: Regenerated.
9783
9784 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9785
9786         PR middle-end/33092
9787         * tree-pass.h (pass_build_alias): New pass.
9788         * tree-ssa-alias.c (gate_build_alias): New.
9789         (pass_build_alias): New.
9790         * passes.c (init_optimization_passes): Add pass_build_alias after
9791         pass_create_structure_vars.
9792
9793 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
9794
9795         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
9796         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
9797         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
9798         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
9799         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
9800         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
9801         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
9802         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
9803         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
9804         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
9805         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
9806         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
9807         * config/s390/s390.md (FP_ALL): New mode iterator.
9808         (_d): New mode attribute.
9809         ("*signbit<mode>2>"): Changed mode of first operand.
9810         ("isinf<mode>2"): Changed mode of first operand.
9811         ("*TDC_insn"): Adaptation for DFP modes.
9812
9813 2008-01-22  Ben Elliston  <bje@au.ibm.com>
9814
9815         * tree.c (check_qualified_type): Improve function description.
9816
9817 2008-01-21  Jason Merrill  <jason@redhat.com>
9818
9819         PR c++/34196
9820         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
9821         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
9822         if it is set.
9823
9824 2008-01-21  DJ Delorie  <dj@redhat.com>
9825
9826         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
9827         return zero.
9828
9829 2008-01-21  Richard Guenther  <rguenther@suse.de>
9830
9831         PR middle-end/34856
9832         * tree-cfg.c (verify_expr): Allow all invariant expressions
9833         instead of just constant class ones as reference argument.
9834         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
9835         like any other constant.
9836         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
9837
9838 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
9839
9840         * regmove.c (fixup_match_1): Update call crossed frequencies.
9841
9842 2008-01-21  Richard Guenther  <rguenther@suse.de>
9843
9844         PR c/34885
9845         * tree-inline.c (setup_one_parameter): Deal with mismatched
9846         types using a VIEW_CONVERT_EXPR.
9847
9848 2008-01-21  Alon Dayan  <alond@il.ibm.com>
9849             Olga Golovanevsky  <olga@il.ibm.com>
9850
9851         PR tree-optimization/34701
9852         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
9853         when the structure size is not a power of 2.
9854
9855 2008-01-20  Kenneth Zadeck  <zadeck@naturalbridge.com>
9856
9857         * doc/install.texi: Add doc for --enable-checking=df.
9858
9859 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9860
9861         PR rtl-optimization/34808
9862         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
9863
9864 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
9865
9866         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
9867         input.
9868
9869 2008-01-19  Kenneth Zadeck  <zadeck@naturalbridge.com>
9870
9871         PR rtl-optimization/26854
9872         PR rtl-optimization/34400
9873         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
9874         DF_RD->gen.
9875         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
9876         (df_rd_bb_info.expanded_lr_out): New.
9877         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
9878         * loop_iv.c (iv_analysis_loop_init): Ditto.
9879         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
9880         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
9881         Added code to allocate, initialize or free expanded_lr_out.
9882         (df_rd_bb_local_compute_process_def): Restructured to make
9883         more understandable.
9884         (df_rd_confluence_n): Add code to do nothing with fake edges and
9885         code to no apply invalidate_by_call sets if the sets are being trimmed.
9886         (df_lr_local_finalize): Renamed to df_lr_finalize.
9887         (df_live_local_finalize): Renamed to df_live_finalize.
9888
9889 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
9890
9891         PR target/34831
9892         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
9893         deciding whether to use reciprocal instructions.
9894
9895 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
9896
9897         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
9898         dwarf2out_note_section_used if cold_text_section is NULL.
9899
9900 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
9901
9902         PR gcov-profile/34610
9903         * tree-cfg.c (make_edges): Mark both outgoing edges from
9904         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
9905         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
9906         from OMP_FOR and OMP_CONTINUE outgoing edges.
9907
9908         * tree-profile.c (tree_profiling): Return early if
9909         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
9910         at the end.
9911         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
9912         from cfun to child_cfun.
9913         * function.h (struct function): Add after_tree_profile bit.
9914
9915 2008-01-19 Anatoly Sokolov <aesok@post.ru>
9916
9917         * config/avr/avr.S (_exit): Disable interrupt.
9918
9919 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
9920             Steven Bosscher  <stevenb.gcc@gmail.com>
9921
9922         PR rtl-optimization/26854
9923         PR rtl-optimization/34400
9924         * df-problems.c (df_live_scratch): New scratch bitmap.
9925         (df_live_alloc): Allocate df_live_scratch when doing df_live.
9926         (df_live_reset): Clear the proper bitmaps.
9927         (df_live_bb_local_compute): Only process the artificial defs once
9928         since the order is not important.
9929         (df_live_init): Init the df_live sets only with the variables
9930         found live by df_lr.
9931         (df_live_transfer_function): Use the df_lr sets to prune the
9932         df_live sets as they are being computed.
9933         (df_live_free): Free df_live_scratch.
9934
9935 2008-01-18  Ian Lance Taylor  <iant@google.com>
9936
9937         * common.opt: Add fmerge-debug-strings.
9938         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
9939         flag_merge_debug_strings rather than flag_merge_constants.
9940         * doc/invoke.texi (Option Summary): Mention
9941         -fmerge-debug-strings.
9942         (Debugging Options): Document -fmerge-debug-strings.
9943
9944 2008-01-18  Ian Lance Taylor  <iant@google.com>
9945
9946         PR c++/33407
9947         * tree.h (DECL_IS_OPERATOR_NEW): Define.
9948         (struct tree_function_decl): Add new field operator_new_flag.
9949         * tree-inline.c (expand_call_inline): When inlining a call to
9950         operator new, force the return value to go into a variable, and
9951         set DECL_NO_TBAA_P on that variable.
9952         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
9953
9954 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
9955
9956         PR debug/34484
9957         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
9958         DWARF2_DEBUGGING_INFO.
9959         (dwarf2out_note_section_used): Ditto.  Add prototype.
9960         (have_multiple_function_sections, text_section_used,
9961         cold_text_section_used, *cold_text_sections): Move declarations
9962         before their uses.
9963
9964 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
9965
9966         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
9967         field and add signal_ra.
9968         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
9969         assignments to frame state pc.  Move end of stack check after
9970         MD_FALLBACK_FRAME_STATE_FOR.
9971         (uw_update_context_1): Use frame state signal_regs if set, instead
9972         of checking signal_frame flag.
9973         (uw_update_context): Use frame state signal_ra if set.
9974         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
9975         * config/xtensa/linux-unwind.h: New file.
9976
9977 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
9978
9979         * modulo-sched.c (get_sched_window): Fix comment typo.
9980
9981 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
9982
9983         PR tree-optimization/34648
9984         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
9985
9986 2008-01-17  Anatoly Sokolov <aesok@post.ru>
9987
9988         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
9989         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
9990
9991 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
9992
9993         PR rtl-optimization/34400
9994         * df-core.c (df_worklist_dataflow_overeager,
9995         df_worklist_dataflow_doublequeue): New functions.
9996         (df_worklist_dataflow): Two different worklist solvers.
9997         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
9998         New param.
9999
10000 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
10001
10002         PR testsuite/34821
10003         * doc/invoke.texi: Document the dependence on pthread for fopenmp
10004         and ftree-parallelize-loops.
10005
10006 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
10007
10008         PR rtl-optimization/34826
10009         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
10010
10011 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
10012
10013         * global.c (find_reg): Mark the eh regs as used if necessary.
10014         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
10015         * ra.h (struct allocno): no_eh_reg field added.  Changed
10016         no_stack_reg type to bitfield.
10017
10018 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
10019
10020         * tree.c (substitute_in_expr): Add missing 'break'.
10021
10022 2008-01-17  Richard Guenther  <rguenther@suse.de>
10023
10024         PR tree-optimization/34825
10025         * tree-ssa-math-opts.c (is_division_by): Do not recognize
10026         x / x as division to handle.
10027
10028 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10029
10030         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
10031         "-pthread" is specified.
10032         * pa-hpux11.h (LIB_SPEC): Likewise.
10033
10034 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
10035             Peter Bergner  <bergner@vnet.ibm.com>
10036
10037         PR rtl-optimization/33796
10038         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
10039
10040 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10041
10042         PR libgfortran/34699
10043         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
10044         static links.
10045         * pa-hpux10.h (LINK_SPEC): Likewise.
10046         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
10047
10048 2008-01-16  Richard Guenther  <rguenther@suse.de>
10049
10050         PR middle-end/32628
10051         * fold-const.c (fold_convert_const_int_from_int): Do not
10052         set overflow if that occured only because of a sign extension
10053         change when converting from/to a sizetype with the same
10054         precision and signedness.
10055
10056 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
10057
10058         PR debug/34249
10059         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
10060         location address to the correct place.  Update copyright year.
10061
10062 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
10063
10064         * lambda-code.c (lambda_transform_legal_p): Handle the case of
10065         no dependences in the dependence_relations vector.
10066
10067 2008-01-16  Jan Hubicka  <jh@suse.cz>
10068
10069         PR rtl-optimization/31396
10070         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
10071         * cfg.c (dump_reg_info): Print it.
10072         * regs.h (struct reg_info_t): add freq_calls_crossed.
10073         (REG_FREQ_CALLS_CROSSED): New macro.
10074         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
10075         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
10076         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
10077         regmove_optimize): Update call crossed frequencies.
10078         * local-alloc.c (struct qty): Add freq_calls_crossed.
10079         (alloc_qty): Copute freq_calls_crossed.
10080         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
10081         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
10082         * ra.h (struct allocno): Add freq_calls_crossed.
10083
10084 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
10085
10086         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
10087         libgomp when compiling with ftree-parallelize-loops.
10088         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
10089
10090 2008-01-16  Richard Guenther  <rguenther@suse.de>
10091
10092         PR tree-optimization/34769
10093         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
10094         * tree.c (int_cst_value): Instead make this function more
10095         permissive in what it accepts as valid input.  Document this
10096         function always sign-extends the value.
10097
10098 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
10099             Richard Guenther  <rguenther@suse.de>
10100
10101         PR c/34668
10102         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
10103         (gimple_fold_indirect_ref_rhs): ... this.
10104         (gimple_fold_indirect_ref): New function with foldings
10105         that preserve lvalueness.
10106         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
10107         * tree-flow.h (gimple_fold_indirect_ref): Declare.
10108         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
10109         to fold an INDIRECT_REF, fall back to the old use of
10110         fold_indirect_ref_1.
10111
10112 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
10113
10114         * tree-data-ref.c (subscript_dependence_tester_1): Call
10115         free_conflict_function.
10116         (compute_self_dependence): Same.
10117
10118 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
10119
10120         PR debug/34249
10121         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
10122         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
10123         function global.
10124         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
10125         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
10126         for DWARF2_UNWIND_INFO targets.
10127
10128 2008-01-16  Richard Guenther  <rguenther@suse.de>
10129
10130         PR c/34768
10131         * c-typeck.c (common_pointer_type): Do not merge inconsistent
10132         type qualifiers for function types.
10133
10134 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
10135
10136         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
10137         loop_iterator li from previous commit.
10138
10139 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
10140
10141         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
10142
10143 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
10144
10145         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
10146         (parallelize_loops): Don't parallelize irreducible components.
10147
10148 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10149
10150         PR c++/24924
10151         * c-opts (c_common_post_options): Do not enable CPP
10152         flag_pedantic_errors by default.
10153
10154 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
10155
10156         PR rtl-optimization/31944
10157         * cse.c (remove_pseudo_from_table): New function.
10158         (merge_equiv_classes): Use above function to remove pseudo-registers.
10159         (invalidate): Likewise.
10160
10161 2008-01-13  Richard Guenther  <rguenther@suse.de>
10162
10163         PR middle-end/34601
10164         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
10165         instead of TYPE_MODE to deal with calls from expand_one_error_var.
10166
10167 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
10168
10169         * gcse.c (cprop_jump): Call validate_unshare_change instead of
10170         validate_change to unshare the source of the PC set.
10171
10172 2008-01-12  Jan Hubicka  <jh@suse.cz>
10173
10174         PR middle-end/32135
10175         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
10176         references above array bounds.  This might trigger bounds checks for
10177         pointers to arrays.
10178
10179 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
10180
10181         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
10182         new_replaceable_dependencies.
10183
10184 2008-01-12  Doug Kwan  <dougkwan@google.com>
10185
10186         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
10187         instead of OPT_Wreturn_type in warning due to ignored return type
10188         qualifiers.
10189         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
10190         options included in -Wextra.
10191         * c.opt: New option -Wignored_qualifiers.
10192         * doc/invoke.texi (Warning Options, -Wextra): Add new option
10193         -Wignore_qualifiers.
10194         (-Wignored-qualifiers): Document.
10195         (-Wreturn-type): Remove description of functionality now handled
10196         by -Wignored-qualifiers.
10197
10198 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
10199
10200         PR ada/33788
10201         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
10202         NOP_EXPR if it is between integral types with the same precision.
10203
10204 2008-01-12  Jan Hubicka  <jh@suse.cz>
10205
10206         PR other/28023
10207         * invoke.texi (max-inline-recursive-depth): Fix default value.
10208
10209 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
10210
10211         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
10212         correct type.
10213
10214 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
10215
10216         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
10217
10218 2008-01-11  James E. Wilson  <wilson@specifix.com>
10219
10220         PR target/26015
10221         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
10222
10223 2008-01-11  Anatoly Sokolov <aesok@post.ru>
10224
10225         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
10226         save/restore frame pointer register and don't use 'call-prologues'
10227         optimization in function with "OS_task" attribute.
10228
10229 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
10230
10231         PR middle-end/31309
10232         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
10233         when copying to memory.
10234
10235 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
10236
10237         PR rtl-optimization/30905
10238         * cfgcleanup.c: Include dce.h
10239         (crossjumps_occured): New global variable.
10240         (try_crossjump_bb): Exit loop after finding a fallthru edge.
10241         If something changed, set crossjumps_occured to true.
10242         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
10243         Don't add/remove fake edges to exit here...
10244         (cleanup_cfg): ...but do it here, when crossjumping.
10245         Run a fast DCE when successful crossjumps occured in the latest
10246         iteration of try_optimize_cfg.
10247
10248 2008-01-11  Richard Guenther  <rguenther@suse.de>
10249
10250         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
10251         (struct vn_unary_op_s): Likewise.
10252         (vn_reference_insert): Free old reference on hash collision.
10253
10254 2008-01-10  Raksit Ashok  <raksit@google.com>
10255
10256         PR rtl-optimization/27971
10257         * combine.c (find_split_point): Split PLUS expressions which are
10258         inside a MEM rtx, and whose first operand is complex.
10259
10260 2008-01-10  DJ Delorie  <dj@redhat.com>
10261
10262         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
10263         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
10264         (m32c_hard_regno_ok): Call the underlying function.
10265
10266 2008-01-10  Richard Guenther  <rguenther@suse.de>
10267
10268         PR middle-end/34683
10269         * tree-cfg.c (tree_merge_blocks): Do not go through the
10270         full-blown folding and stmt updating path if we just deal
10271         with virtual operands.
10272         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
10273         test for abnormal SSA_NAMEs.
10274
10275 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
10276
10277         PR middle-end/34641
10278         * reload.c (push_reload): Add assertions.  All constants from
10279         reg_equiv_constant should have been used for replacing the respective
10280         pseudo earlier.
10281         (find_reloads_address): Invoke find_reloads_address_part for
10282         constant taken from the reg_equiv_constant array.
10283
10284 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
10285
10286         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
10287         field (valnum) the first in the struct.  Replace bools with
10288         unit bit fields.
10289
10290 2008-01-10  Richard Guenther  <rguenther@suse.de>
10291
10292         PR tree-optimization/34651
10293         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
10294         types and ordering for masking and converting.
10295
10296 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
10297
10298         PR tree-optimization/34017
10299         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
10300         also for PHI_NODE expressions.
10301
10302 2008-01-09  Jan Hubicka  <jh@suse.cz>
10303
10304         PR tree-optimization/34708
10305         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
10306         based on number of case labels.
10307         (init_inline_once): Remove switch_cost.
10308         * tree-inline.h (eni_weights_d): Remove switch_cost.
10309
10310 2008-01-09  Richard Guenther  <rguenther@suse.de>
10311         Andrew Pinski  <andrew_pinski@playstation.sony.com>
10312
10313         PR middle-end/30132
10314         * gimplify.c (gimplify_cond_expr): Do not create an addressable
10315         temporary if an rvalue is ok or an lvalue is not required.
10316
10317 2008-01-09  Richard Guenther  <rguenther@suse.de>
10318
10319         PR middle-end/34458
10320         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
10321         adjust return type.
10322
10323 2008-01-09  Richard Guenther  <rguenther@suse.de>
10324
10325         PR middle-end/34679
10326         * tree.c (host_integerp): Check for sizetype only if the
10327         type is an integer type.
10328
10329 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
10330
10331         PR debug/26364
10332         * opts.c (decode_options): Disable inlining of functions called
10333         once if not in unit-at-a-time mode.
10334
10335 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
10336
10337         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
10338
10339 2008-01-08  Richard Guenther  <rguenther@suse.de>
10340
10341         PR middle-end/31863
10342         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
10343         out early if the result will be unused.
10344
10345 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
10346
10347         PR target/34709
10348         Revert:
10349
10350         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
10351         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
10352         for TARGET_RECIP.
10353
10354 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
10355
10356         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
10357         for vectorization tuned.
10358
10359 2008-01-08  Richard Guenther  <rguenther@suse.de>
10360
10361         PR tree-optimization/34683
10362         * tree-ssa-operands.c (operand_build_cmp): Export.
10363         * tree-ssa-operands.h (operand_build_cmp): Declare.
10364         * tree-vn.c (vuses_compare): Remove.
10365         (sort_vuses): Use operand_build_cmp.
10366         (sort_vuses_heap): Likewise.
10367         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
10368         to re-use old VEC if available.  Do not sort already sorted VUSEs.
10369         (vdefs_to_vec): Do not sort already sorted VDEFs.
10370
10371 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
10372
10373         PR middle-end/34694
10374         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
10375
10376 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
10377
10378         PR target/34702
10379         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
10380         limitations of reciprocal sequences on x86 targets.
10381
10382 2008-01-08  Richard Guenther  <rguenther@suse.de>
10383
10384         PR tree-optimization/34683
10385         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
10386
10387 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
10388
10389         PR target/34622
10390         * config/darwin.c (darwin_mergeable_string_section): Don't use
10391         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
10392
10393 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
10394
10395         PR target/34682
10396         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
10397         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
10398         predicates of op0 and op1 to register_operand.
10399         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
10400         expander using X87MODEF mode iterator.  Change predicates of
10401         op0 and op1 to register_operand.
10402         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
10403         corresponding patterns and macroize using MODEF macro.  Change
10404         predicates of op0 and op1 to register_operand and remove
10405         "m" constraint. Disparage "r" alternative with "!".
10406         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
10407         macroize using X87MODEF macro.  Change predicates of op0 and op1
10408         to register_operand and remove "m" constraint.  Disparage "r"
10409         alternative with "!".
10410         (absneg splitter with memory operands): Remove.
10411         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
10412         patterns and macroize using X87MODEF mode iterator.
10413         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
10414         Change predicate of op1 to register_operand.
10415         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
10416         for memory operands.
10417
10418 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
10419
10420         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
10421
10422 2008-01-07  Richard Guenther  <rguenther@suse.de>
10423
10424         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
10425         fields.
10426
10427 2008-01-07  Richard Guenther  <rguenther@suse.de>
10428
10429         PR tree-optimization/34683
10430         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
10431         VOPs of the needed size to save memory.  Use VEC_quick_push
10432         to save compile-time.
10433         (vdefs_to_vec): Likewise.
10434
10435 2008-01-07  Sa Liu  <saliu@de.ibm.com>
10436
10437         * config/spu/spu.md (divdf3): Genetate inline code for double
10438         division.  The implementation doesn't handle INF or NAN, therefore it
10439         only applies when -ffinite-math-only is given.
10440
10441 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
10442
10443         PR libstdc++/34680
10444         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
10445         * doc/cpp.texi ([Common Predefined Macros]): Document.
10446
10447 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
10448
10449         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
10450         order to use commutative addition instead of subtraction.
10451
10452 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10453             Mircea Namolaru  <namolaru@il.ibm.com>
10454             Vladimir Yanovsky  <yanov@il.ibm.com>
10455             Revital Eres  <eres@il.ibm.com>
10456
10457         PR tree-optimization/34263
10458         * tree-outof-ssa.c (process_single_block_loop_latch,
10459         contains_tree_r): New functions.
10460         (analyze_edges_for_bb): Call process_single_block_loop_latch
10461         function to empty single-basic-block latch block if possible.
10462
10463 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
10464
10465         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
10466         for TARGET_RECIP.
10467         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
10468
10469 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
10470
10471         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
10472
10473 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
10474
10475         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
10476
10477 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
10478
10479         PR tree-optimization/34618
10480         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
10481         flag from T.
10482
10483 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
10484
10485         PR target/34673
10486         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
10487         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
10488         Update copyright year.
10489
10490         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
10491         Update copyright year.
10492         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
10493         using NR fixup.
10494
10495 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
10496
10497         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
10498         edge does not point to current bb before changing need_assert.
10499
10500 2008-01-04  Richard Guenther  <rguenther@suse.de>
10501
10502         PR middle-end/34029
10503         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
10504         for verifying purposes if they are is_gimple_min_invariant.
10505
10506 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
10507
10508         PR tree-optimization/34448
10509         PR tree-optimization/34465
10510         * gimplify.c (gimplify_init_constructor): Add new parameter
10511         notify_temp_creation.  Use it.
10512         (gimplify_modify_expr_rhs): Take volatiles into account when
10513         optimizing constructors.
10514         Do not optimize constructors if gimplify_init_constructor will dump to
10515         memory.
10516         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
10517         * gcc.c-torture/compile/pr34448.c: New.
10518
10519 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
10520
10521         PR gcov-profile/34609
10522         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
10523         return_slot if result is TREE_ADDRESSABLE.
10524
10525 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
10526
10527         * config/mips/mips.md (sqrt_condition): Tweak comment.
10528         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
10529
10530 2008-01-03  Tom Tromey  <tromey@redhat.com>
10531
10532         PR c/34457
10533         * c-common.c (c_type_hash): Handle VLAs.
10534
10535 2008-01-03  Jan Hubicka  <jh@suse.cz>
10536
10537         PR tree-optimization/31081
10538         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
10539         0 when inlining and not inlining to first basic block.
10540         (remap_decl): When var is initialized to 0, don't set default_def.
10541         (expand_call_inline): Set entry_bb.
10542         * tree-inline.h (copy_body_data): Add entry_bb.
10543
10544 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
10545
10546         PR c++/34619
10547         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
10548         before returning.
10549
10550         PR tree-optimization/29484
10551         * tree-inline.c (inline_forbidden_p_2): New function.
10552         (inline_forbidden_p): Disallow inlining if some static var
10553         has an address of a local LABEL_DECL in its initializer.
10554         * doc/extend.texi (Labels as Values): Document &&foo behaviour
10555         vs. inlining.
10556
10557 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
10558
10559         PR tree-optimization/34635
10560         * tree-data-ref.c (add_other_self_distances): Make sure that the
10561         evolution step is constant.
10562
10563 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
10564
10565         PR middle-end/34608
10566         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
10567
10568 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
10569
10570         * tree-sra.c (scalarize_init): Insert the generate_element_init
10571         statements after the generate_element_zero statements.
10572
10573 2008-01-02  Richard Guenther  <rguenther@suse.de>
10574
10575         PR middle-end/34093
10576         PR middle-end/31976
10577         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
10578         for very large number of operands instead of ICEing.
10579
10580 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
10581
10582         PR target/34013
10583         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
10584         while stack probing.
10585
10586 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
10587
10588         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
10589         in C++0x mode.
10590
10591 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
10592
10593         PR libmudflap/26442
10594         * tree-mudflap.c (mx_register_decls): Guard warning by
10595         !DECL_ARTIFICIAL check.
10596
10597 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
10598
10599         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
10600         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
10601         sse5_perm<mode>): Fix constraints.