gcc/ChangeLog

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