gcc/ChangeLog

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