gcc/ChangeLog

   1 2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>
   2
   3         * dwarf2out.c (current_fde): Change return type to dw_fde_ref.
   4         Moved to the front of file.
   5
   6 2008-05-27  Xuepeng Guo  <xuepeng.guo@intel.com>
   7             H.J. Lu  <hongjiu.lu@intel.com>
   8
   9         * dwarf2out.c (current_fde): New.
  10         (add_cfi): Use it.
  11         (lookup_cfa:): Likewise.
  12         (dwarf2out_end_epilogue): Likewise.
  13         (dwarf2out_note_section_used): Likewise.
  14
  15 2008-05-27  Michael Matz  <matz@suse.de>
  16
  17         PR c++/27975
  18         * c.opt (Wenum-compare): New warning option.
  19         * doc/invoke.texi  (Warning Options): Document -Wenum-compare.
  20
  21 2008-05-27  Michael Matz  <matz@suse.de>
  22
  23         PR middle-end/36326
  24         * tree-gimple.c (is_gimple_mem_rhs): Remove work-around for
  25         non-BLKmode types.
  26         * tree-tailcall.c (find_tail_calls): Don't mark calls storing
  27         into memory as tail calls.
  28
  29 2008-05-27  Richard Guenther  <rguenther@suse.de>
  30
  31         PR tree-optimization/36339
  32         * tree-ssa-alias.c (set_initial_properties): Escaped pt_anything
  33         pointers cause all addressable variables to be call clobbered.
  34
  35 2008-05-27  Richard Guenther  <rguenther@suse.de>
  36
  37         PR tree-optimization/36245
  38         * tree-ssa-address.c (add_to_parts): Deal with non-pointer
  39         bases.
  40
  41 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
  42
  43         * config/s390/s390.md: Replace all occurences of the 'm'
  44         constraint with 'RT'.
  45
  46 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
  47
  48         * config/s390/s390.md ("cpu_facility", "enabled"): Attribute
  49         definitions added.
  50         ("*movdi_64dfp", "*movdi_64extimm", "*movdi_64"): Merged into
  51         "*movdi_64".
  52         ("*anddi3_extimm", "*anddi3"): Merged into "*anddi3".
  53         ("*iordi3_extimm", "*iordi3"): Merged into "*iordi3".
  54         ("*xordi3_extimm", "*xordi3"): Merged into "*xordi3".
  55
  56 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
  57
  58         * reload.c: (find_reloads): Skip alternatives according to the
  59         "enabled" attribute. Constify the constraint variable.
  60         * recog.c (get_attr_enabled): Add default implementation.
  61         (extract_insn): Set the alternative_enabled_p array
  62         in the recog_data struct.
  63         (preprocess_constraints, constrain_operands): Skip
  64         alternatives according to the "enabled" attribute
  65         * recog.h (struct recog_data): New field alternative_enabled_p.
  66         (skip_alternative): New inline function.
  67         * regclass.c: (record_operand_costs): Check the "enabled"
  68         attribute.
  69         (record_reg_classes): Skip alternative according to the
  70         "enabled" attribute.
  71
  72         * doc/md.texi: Add documention for the "enabled" attribute.
  73
  74 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
  75
  76         * defaults.h (TARGET_MEM_CONSTRAINT): New target macro added.
  77         * postreload.c (reload_cse_simplify_operands): Replace 'm'
  78         constraint with TARGET_MEM_CONSTRAINT.
  79         * recog.c (asm_operand_ok, preprocess_constraints,
  80         constrain_operands): Likewise.
  81         * regclass.c (record_reg_classes): Likewise.
  82         * reload.c (find_reloads, alternative_allows_const_pool_ref):
  83         Likewise.
  84         * reload1.c (maybe_fix_stack_asms): Likewise.
  85         * stmt.c (parse_output_constraint, parse_input_constraint):
  86         Likewise.
  87         * recog.h: Adjust comment.
  88         * genpreds.c (generic_constraint_letters): Remove 'm' constraint.
  89         * genoutput.c (note_constraint): Don't emit error for 'm'
  90         constraint.
  91         * doc/md.texi: Add a note to description of 'm' constraint.
  92         * doc/tm.texi: Document the new TARGET_MEM_CONSTRAINT macro.
  93
  94 2008-05-27  Eric Botcazou  <ebotcazou@adacore.com>
  95
  96         * tree-sra.c (sra_type_can_be_decomposed_p) <RECORD_TYPE>: Make sure
  97         that the bitfield is of integral type before testing its precision.
  98
  99 2008-05-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
 100             Sa Liu  <saliu@de.ibm.com>
 101
 102         * config/spu/spu.c (spu_init_libfuncs): Add __multi3, __divti3,
 103         __modti3, __udivti3, __umodti3 and __udivmodti4.
 104         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add files
 105         that implement TImode mul and div functions.
 106         * config/spu/multi3.c: New. Implement __multi3.
 107         * config/spu/divmodti4.c: New. Implement _udivmodti4 and others.
 108         * testsuite/gcc.target/spu/muldivti3.c: New. Test TImode mul and div
 109         functions on SPU.
 110
 111 2008-05-26  Steven Bosscher  <stevenb.gcc@gmail.com>
 112
 113         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Generate
 114         new tls_gd_* and tls_ld_* insns instead of an insn sequence.
 115         * config/rs6000/rs6000.md (TLSmode, tls_abi_suffix, tls_insn_suffix,
 116         tls_sysv_suffix): New mode and mode attribute iterators.
 117         (tls_gd_32, tls_gd_64, tls_ld_32, tls_ld_64): Remove.
 118         (lts_gd_aix*, tls_gd_sysv*, tls_ld_aix*, tls_ld_sysv*): New patterns.
 119         (tls_dtprel_*, tls_dtprel_ha_*, tls_dtprel_lo_*, tls_got_dtprel_*,
 120         tls_tprel_*, tls_tprel_ha_*, tls_tprel_lo_*, tls_got_tprel_*,
 121         tls_tls_*): Merge 32 bit and 64 bit variants using aforementioned
 122         iterators.
 123
 124 2008-05-26  Eric Botcazou  <ebotcazou@adacore.com>
 125
 126         PR tree-optimization/36329
 127         * tree.h (CALL_CANNOT_INLINE_P): Add access check.
 128         * tree-gimple.h (CALL_STMT_CANNOT_INLINE_P): New macro.
 129         * cgraphbuild.c (initialize_inline_failed): Use the latter
 130         macro in lieu of the former.
 131         * ipa-inline.c (cgraph_mark_inline): Likewise.
 132         (cgraph_decide_inlining_of_small_function): Likewise.
 133         (cgraph_decide_inlining): Likewise.
 134         (cgraph_decide_inlining_incrementally): Likewise.
 135
 136 2008-05-26  Tristan Gingold  <gingold@adacore.com>
 137             Anatoly Sokolov  <aesok@post.ru>
 138
 139         * config/avr/avr.md ("call_prologue_saves"): Use hi8(gs())/lo8(gs())
 140         instead of pm_lo8/pm_hi8 to makes this call working on avr6.
 141         * config/avr/avr.c (expand_prologue): Tune "call_prologue"
 142         optimization for 'avr6' architecture.
 143
 144 2008-05-26  Andy Hutchinson  <hutchinsonandy@aim.com>
 145
 146         PR target/34932
 147         * config/avr/avr.md (*addhi3_zero_extend2): Remove.
 148
 149 2008-05-26  Richard Guenther  <rguenther@suse.de>
 150
 151         * tree-ssa-sccvn.c (expr_has_constants): Declare.
 152         (visit_reference_op_load): Initialize VN_INFO->has_constants
 153         properly.
 154
 155 2008-05-26  H.J. Lu  <hongjiu.lu@intel.com>
 156
 157         PR middle-end/36253
 158         * caller-save.c (insert_restore): Verify alignment of spill
 159         space.
 160         (insert_save): Likewise.
 161
 162         * cfgexpand.c (LOCAL_ALIGNMENT): Removed.
 163
 164         * defaults.h (LOCAL_ALIGNMENT): New. Provide default.
 165         (STACK_SLOT_ALIGNMENT): Likewise.
 166
 167         * function.c (LOCAL_ALIGNMENT): Removed.
 168         (get_stack_local_alignment): New.
 169         (assign_stack_local): Use it.  Set alignment on stack slot.
 170         (assign_stack_temp_for_type): Use get_stack_local_alignment.
 171
 172         * config/i386/i386.h (LOCAL_ALIGNMENT): Updated.
 173         (STACK_SLOT_ALIGNMENT): New.
 174
 175         * config/i386/i386.c (ix86_local_alignment): Handle caller-save
 176         stack slot in XFmode.
 177
 178         * doc/tm.texi (STACK_SLOT_ALIGNMENT): New.
 179
 180 2008-05-26  Kai Tietz  <kai.tietz@onevision.com>
 181
 182         PR/36321
 183         * config/i386/i386.md (allocate_stack_worker_64): Make sure
 184         argument operand in rax isn't removed.
 185
 186 2008-05-26  Richard Guenther  <rguenther@suse.de>
 187
 188         PR middle-end/36300
 189         * fold-const.c (extract_muldiv_1): Use TYPE_OVERFLOW_WRAPS,
 190         not TYPE_UNSIGNED.  Use TYPE_PRECISION instead of GET_MODE_SIZE.
 191
 192 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
 193
 194         PR bootstrap/36331
 195         * c-cppbuiltin.c (define__GNUC__): Re-add definition of __GNUG__.
 196
 197 2008-05-26  Dominique Dhumieres  <dominiq@lps.ens.fr>
 198
 199         * config/darwin-c.c: Include "incpath.h" instead of "c-incpath.h".
 200         * config/t-darwin: Use "incpath.h" instead of "c-incpath.h".
 201
 202 2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>
 203
 204          * tree-nested.c (convert_tramp_reference) <ADDR_EXPR>: Do not
 205         build a trampoline if we don't want one.
 206         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Do not
 207         return zero for nested functions if we don't want a trampoline.
 208
 209 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
 210
 211         * doc/invoke.texi: Added f77, f77-cpp-input to list of file types.
 212
 213 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
 214
 215         PR fortran/18428
 216         * c.opt: Removed undocumented option '-lang-fortran'.
 217         * c-common.h: Removed global variable 'lang_fortran'.
 218         * c-opts.c (c_common_handle_option): Removed code to handle
 219         option '-lang-fortran'. Updated includes.
 220         * c-cppbuiltin.c (c_cpp_builtins): Removed conditional
 221         definition of '__GFORTRAN__'.
 222         (define__GNUC__): Reimplemented to use BASEVER and
 223         cpp_define_formatted.
 224         (builtin_define_with_value_n): Removed.
 225         * c-incpath.h: Renamed to ...
 226         * incpath.h: ... this.
 227         * c-incpath.c: Renamed to ...
 228         * incpath.c: ... this. Updated includes.
 229         * fix-header.c: Updated includes.
 230         * Makefile.in: Replaced c-incpath.[ch] by incpath.[ch].
 231         (c-cppbuiltin.o): Added dependency on and definition of BASEVER.
 232         (OBJ-archive): Added cppdefault.o, incpath.o and prefix.o.
 233
 234 2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>
 235
 236         * tree.h: Update the table of flags used on tree nodes.
 237         (TREE_NO_TRAMPOLINE): New accessor for static_flag.
 238         (SAVE_EXPR_RESOLVED_P): Use automatically-built access check.
 239         (FORCED_LABEL): Add access check.
 240         (CALL_EXPR_RETURN_SLOT_OPT): Likewise.
 241         (ASM_INPUT_P): Likewise.
 242         (ASM_VOLATILE_P): Likewise.
 243         (EH_FILTER_MUST_NOT_THROW): Access static_flag directly.
 244         (OMP_SECTION_LAST): Access private_flag directly.
 245         (OMP_RETURN_NOWAIT): Likewise.
 246         (OMP_PARALLEL_COMBINED): Likewise.
 247         (OMP_CLAUSE_PRIVATE_DEBUG): Access public_flag directly.
 248         (OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE): Likewise.
 249         * tree-ssa-propagate.c (STMT_IN_SSA_EDGE_WORKLIST): Access
 250         deprecated_flag directly.
 251
 252 2008-05-25  H.J. Lu  <hongjiu.lu@intel.com>
 253
 254         * final.c (frame_pointer_needed): Removed.
 255         * flags.h (frame_pointer_needed): Likewise.
 256
 257         * function.h (rtl_data): Add frame_pointer_needed.
 258         (frame_pointer_needed): New.
 259
 260 2008-05-25  Arthur Loiret  <arthur.loiret@u-psud.fr>
 261
 262         * config.gcc (sh2[lbe]*-*-linux*): Allow target.
 263
 264 2008-05-25  Steven Bosscher  <stevenb.gcc@gmail.com>
 265
 266         * gcse.c (hash_scan_set): Do not pick up a REG_EQUAL value if
 267         SRC is a REG.
 268
 269 2008-05-25  Alan Modra  <amodra@bigpond.net.au>
 270
 271         * c-common.c (strip_array_types): Move function to..
 272         * tree.c: ..here.
 273         (get_inner_array_type): Delete.
 274         * c-common.h (strip_array_types): Move declaration to..
 275         * tree.h: ..here.
 276         (get_inner_array_type): Delete.
 277         * config/i386/i386.c (x86_field_alignment): Use strip_array_types.
 278         * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
 279         * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
 280         * config/pa/pa.c (emit_move_sequence): Likewise.
 281
 282 2008-05-24  H.J. Lu  <hongjiu.lu@intel.com>
 283
 284         * config/i386/i386.md (*sse_prologue_save_insn): Set length
 285         attribute to 34.
 286
 287 2008-05-24  Andy Hutchinson  <hutchinsonandy@aim.com>
 288
 289         * function.c: Include target hook for nonlocal_goto frame value.
 290
 291 2008-05-24  Richard Guenther  <rguenther@suse.de>
 292
 293         * tree-dfa.c (refs_may_alias_p): Re-instantiate case that
 294         a scalar variable can be only accessed through a pointer
 295         or a union.
 296
 297 2008-05-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 298
 299         * builtins.c (fold_builtin_fpclassify): Fix spelling of FP_INFINITE.
 300         * doc/extend.texi: Likewise.
 301
 302 2008-05-23  DJ Delorie  <dj@redhat.com>
 303
 304         * config/m32c/jump.md (untyped_call): Add.
 305
 306         * config/m32c/m32c.c (m32c_return_addr_rtx): Change pointer type
 307         for A24 to PSImode.
 308         (m32c_address_cost): Detail costs for indirect offsets.
 309
 310 2008-05-23  Rafael Espindola  <espindola@google.com>
 311
 312         * see.c (see_get_extension_data): Don't use SUBREG_REG to test
 313         if a node is a SUBREG.
 314         (see_analyze_one_def): Don't use SUBREG_REG to test if a node
 315         is a SUBREG.
 316
 317 2008-05-23  Paul Brook  <paul@codesourcery.com>
 318             Carlos O'Donell  <carlos@codesourcery.com>
 319
 320         * doc/extend.texi: Clarify use of __attribute__((naked)).
 321         * doc/tm.texi: Document TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
 322         * target.h (gcc_target): Add allocate_stack_slots_for_args.
 323         * function.c (use_register_for_decl): Use
 324         targetm.calls.allocate_stack_slots_for_args.
 325         * target-def.h (TARGET_CALLS): Add
 326         TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
 327         * config/arm/arm.c (arm_allocate_stack_slots_for_args):
 328         New function.
 329         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Define.
 330
 331 2008-05-23  Eric Botcazou  <ebotcazou@adacore.com>
 332
 333         * expr.c (highest_pow2_factor) <BIT_AND_EXPR>: New case.
 334
 335 2008-05-23  Steven Munroe  <sjmunroe@us.ibm.com>
 336
 337         * config/rs6000/darwin-ldouble.c (fmsub): Eliminate the full
 338         PACK/UNPACK between FP_SUB_Q and FD_TRUNC so that the result
 339         is only rounded once.
 340
 341 2008-05-23  Richard Guenther  <rguenther@suse.de>
 342
 343         * tree-ssa-operands.c (mark_difference_for_renaming): Use
 344         bitmap_xor.
 345
 346 2008-05-23  Uros Bizjak  <ubizjak@gmail.com>
 347             Jakub Jelinek  <jakub@redhat.com>
 348
 349         PR target/36079
 350         * configure.ac: Handle --enable-cld.
 351         * configure: Regenerated.
 352         * config.gcc: Add USE_IX86_CLD to tm_defines for x86 targets.
 353         * config/i386/i386.h (struct machine_function): Add needs_cld field.
 354         (ix86_current_function_needs_cld): New define.
 355         * config/i386/i386.md (UNSPEC_CLD): New unspec volatile constant.
 356         (cld): New isns pattern.
 357         (strmov_singleop, rep_mov, strset_singleop, rep_stos, cmpstrnqi_nz_1,
 358         cmpstrnqi_1, strlenqi_1): Set ix86_current_function_needs_cld flag.
 359         * config/i386/i386.opt (mcld): New option.
 360         * config/i386/i386.c (ix86_expand_prologue): Emit cld insn if
 361         TARGET_CLD and ix86_current_function_needs_cld.
 362         (override_options): Use -mcld by default for 32-bit code if
 363         USE_IX86_CLD.
 364
 365         * doc/install.texi (Options specification): Document --enable-cld.
 366         * doc/invoke.texi (Machine Dependent Options)
 367         [i386 and x86-64 Options]: Add -mcld option.
 368         (Intel 386 and AMD x86-64 Options): Document -mcld option.
 369
 370 2008-05-23  Kai Tietz  <kai.tietz@onevison.com>
 371         * config/i386/i386.c (return_in_memory_32): Add ATTRIBUTE_UNUSED.
 372         (return_in_memory_64): Likewise.
 373         (return_in_memory_ms_64): Likewise.
 374
 375 2008-05-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 376
 377         * builtin-types.def (BT_FN_INT_INT_INT_INT_INT_INT_VAR): New.
 378         * builtins.c (fold_builtin_fpclassify): New.
 379         (fold_builtin_varargs): Handle BUILT_IN_FPCLASSIFY.
 380         * builtins.def (BUILT_IN_FPCLASSIFY): New.
 381         * c-common.c (handle_type_generic_attribute): Adjust to accept
 382         fixed arguments before an elipsis.
 383         (check_builtin_function_arguments): Handle BUILT_IN_FPCLASSIFY.
 384         * doc/extend.texi: Document __builtin_fpclassify.
 385
 386 2008-05-22  Aldy Hernandez  <aldyh@redhat.com>
 387
 388         * omp-low.c (gate_expand_omp_ssa): Remove.
 389         (pass_expand_omp_ssa): Remove.
 390         (gate_expand_omp): Do not check for flag_openmp_ssa.
 391         * common.opt (-fopenmp-ssa): Remove.
 392         * passes.c (init_optimization_passes): Remove pass_expand_omp_ssa.
 393
 394 2008-05-22  Kaz Kojima  <kkojima@gcc.gnu.org>
 395
 396         * config/sh/sh.opt (mfixed-range): New option.
 397         * config/sh/sh-protos.h (sh_fix_range): Declare.
 398         * config/sh/sh.c (sh_fix_range): New function.
 399         * config/sh/sh.h (sh_fixed_range_str): Declare.
 400         (OVERRIDE_OPTIONS): Call sh_fix_range if sh_fixed_range_str
 401         is not empty.
 402         * doc/invoke.texi (SH Options): Document -mfixed-range.
 403
 404 2008-05-22  Kai Tietz  <kai.tietz@onevision.com>
 405
 406         * config/i386/sol2-10.h (SUBTARGET_RETURN_IN_MEMORY): Undefine
 407         it before the redeclaration.
 408
 409 2008-05-22  Anatoly Sokolov <aesok@post.ru>
 410
 411         * config/avr/avr.c (get_sequence_length): Add new function.
 412         (expand_prologue, expand_epilogue): Remove duplicate code.
 413
 414 2008-05-22  Rafael Espindola  <espindola@google.com>
 415
 416         * see.c (see_pre_insert_extensions): Use copy_rtx to avoid invalid rtx
 417         sharing.
 418
 419 2008-05-22  H.J. Lu  <hongjiu.lu@intel.com>
 420
 421         * defaults.h (UNITS_PER_SIMD_WORD): Add scalar mode as argument.
 422         * doc/tm.texi (UNITS_PER_SIMD_WORD): Likewise.
 423
 424         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Replace
 425         UNITS_PER_SIMD_WORD with GET_MODE_SIZE (TYPE_MODE (vectype)).
 426         (vect_update_misalignment_for_peel): Likewise.
 427         (vector_alignment_reachable_p): Likewise.
 428         * tree-vect-transform.c (vectorizable_load): Likewise.
 429         * tree-vectorizer.c (vect_supportable_dr_alignment): Likewise.
 430         (get_vectype_for_scalar_type): Pass mode of scalar_type
 431         to UNITS_PER_SIMD_WORD.
 432
 433         * config/arm/arm.h (UNITS_PER_SIMD_WORD): Updated.
 434         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Likewise.
 435         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
 436         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
 437         * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
 438
 439 2008-05-22  Ira Rosen  <irar@il.ibm.com>
 440
 441         PR tree-optimization/36293
 442         * tree-vect-transform.c (vect_transform_strided_load): Don't check
 443         if the first load must be skipped because of a gap.
 444
 445 2008-05-22  Richard Guenther  <rguenther@suse.de>
 446
 447         * tree-dfa.c (refs_may_alias_p): Exit early if possible.  Handle
 448         more cases of offset disambiguation that is possible if
 449         strict-aliasing rules apply.
 450         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Use refs_may_alias_p
 451         for basic offset and type-based disambiguation.
 452
 453 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
 454
 455         * config/i386/i386.c (ix86_expand_vector_init_one_var): Use
 456         ix86_expand_vector_set on V16QImode for SSE4.1.
 457
 458 2008-05-21  Tom Tromey  <tromey@redhat.com>
 459
 460         * c.opt (Wimport): Mark as undocumented.
 461         * doc/invoke.texi (Option Summary): Don't mention -Wimport or
 462         -Wno-import.
 463         (Warning Options): Likewise.
 464         * doc/cppopts.texi: Don't mention -Wimport.
 465
 466 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
 467
 468         PR tree-optimization/36287
 469         PR tree-optimization/36286
 470         * lambda-code.c (build_access_matrix): Do not use the loop->num
 471         for computing the number of induction variables: use the loop depth
 472         instead.
 473
 474 2008-05-21  Kai Tietz  <kai.tietz@onevision.com>
 475
 476         PR/36280
 477         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Honor
 478         option -f(no-)leading-underscore.
 479
 480 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
 481
 482         * config/i386/i386.c (ix86_expand_vector_init_general): Use
 483         GET_MODE_NUNITS (mode).
 484
 485 2008-05-21  Peter Bergner  <bergner@vnet.ibm.com>
 486
 487         * doc/invoke.texi: Add cpu_type's 464 and 464fp.
 488         (-mmulhw): Add 464 to description.
 489         (-mdlmzb): Likewise.
 490         * config.gcc: Handle --with-cpu=464 and --with-cpu=464fp.
 491         * config/rs6000/rs6000.c (processor_target_table): Add 464 and
 492         464fp entries.
 493         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add 464 and 464fp support.
 494         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include -mcpu=464.
 495         * config/rs6000/rs6000.md: Update comments for 464.
 496
 497 2008-05-21  Janis Johnson  <janis187@us.ibm.com>
 498
 499         * doc/sourcebuild.texi (Test Directives): Add dg-xfail-run-if.
 500
 501 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
 502
 503         * config/i386/sse.md (vec_extractv4sf): Removed.
 504         (vec_extractv2df): Likewise.
 505         (vec_extractv2di): Likewise.
 506         (vec_extractv4si): Likewise.
 507         (vec_extractv8hi): Likewise.
 508         (vec_extractv16qi): Likewise.
 509         (vec_extract<mode>): New.
 510
 511 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
 512
 513         * config/i386/sse.md (vec_setv4sf): Removed.
 514         (vec_setv2df): Likewise.
 515         (vec_setv2di): Likewise.
 516         (vec_setv4si): Likewise.
 517         (vec_setv8hi): Likewise.
 518         (vec_setv16qi): Likewise.
 519         (vec_set<mode>): New.
 520
 521 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
 522
 523         * config/i386/i386.c (ix86_expand_vector_init_general): Remove
 524         goto for vec_concat and vec_interleave.
 525
 526 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
 527
 528         * config/i386/sse.md (vec_initv4sf): Removed.
 529         (vec_initv2df): Likewise.
 530         (vec_initv2di): Likewise.
 531         (vec_initv4si): Likewise.
 532         (vec_initv8hi): Likewise.
 533         (vec_initv16qi): Likewise.
 534         (vec_init<mode>): New.
 535
 536 2008-05-21  Joseph Myers  <joseph@codesourcery.com>
 537
 538         * collect2.c (find_a_file): Use IS_ABSOLUTE_PATH.
 539
 540 2008-05-21  Tom Tromey  <tromey@redhat.com>
 541
 542         * ggc-zone.c (lookup_page_table_if_allocated): New function.
 543         (zone_find_object_offset): Likewise.
 544         (gt_ggc_m_S): Likewise.
 545         (highest_bit): Likewise.
 546         * ggc-page.c (gt_ggc_m_S): New function.
 547         * stringpool.c (string_stack): Remove.
 548         (init_stringpool): Update.
 549         (ggc_alloc_string): Use ggc_alloc.
 550         (maybe_delete_ident): New function.
 551         (ggc_purge_stringpool): Likewise.
 552         (gt_ggc_m_S): Remove.
 553         * ggc-common.c (ggc_protect_identifiers): New global.
 554         (ggc_mark_roots): Call ggc_purge_stringpool.  Use
 555         ggc_protect_identifiers.
 556         * ggc.h (ggc_protect_identifiers): Declare.
 557         (gt_ggc_m_S): Update.
 558         (ggc_purge_stringpool): Declare.
 559         * toplev.c (compile_file): Set and reset ggc_protect_identifiers.
 560         * gengtype.c (write_types_process_field) <TYPE_STRING>: Remove
 561         special case.
 562         (write_root): Cast gt_ggc_m_S to gt_pointer_walker.
 563
 564 2008-05-21  David S. Miller  <davem@davemloft.net>
 565
 566         * config.gcc (sparc-*-linux*): Always include sparc/t-linux in
 567         tmake_file.
 568
 569 2008-05-21  Eric Botcazou  <ebotcazou@adacore.com>
 570
 571         * cfgexpand.c (tree_expand_cfg): Zap the EH throw statement table
 572         once finished.
 573
 574 2008-05-20  David Daney  <ddaney@avtrex.com>
 575
 576         * config/mips/mips.md (UNSPEC_SYNC_NEW_OP_12,
 577         UNSPEC_SYNC_OLD_OP_12, UNSPEC_SYNC_EXCHANGE_12): New define_constants.
 578         (UNSPEC_SYNC_EXCHANGE, UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
 579         UNSPEC_UPDATE_GOT_VERSION): Renumber.
 580         (optab, insn): Add 'plus' and 'minus' to define_code_attr.
 581         (atomic_hiqi_op): New define_code_iterator.
 582         (sync_compare_and_swap<mode>): Call mips_expand_atomic_qihi instead of
 583         mips_expand_compare_and_swap_12.
 584         (compare_and_swap_12): Use MIPS_COMPARE_AND_SWAP_12 instead of
 585         MIPS_COMPARE_AND_SWAP_12_0.  Pass argument to MIPS_COMPARE_AND_SWAP_12.
 586         (sync_<optab><mode>, sync_old_<optab><mode>,
 587         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
 588         sync_new_nand<mode>): New define_expands for HI and QI mode operands.
 589         (sync_<optab>_12, sync_old_<optab>_12, sync_new_<optab>_12,
 590         sync_nand_12, sync_old_nand_12, sync_new_nand_12): New insns.
 591         (sync_lock_test_and_set<mode>): New define_expand for HI and QI modes.
 592         (test_and_set_12): New insn.
 593         (sync_old_add<mode>, sync_new_add<mode>, sync_old_<optab><mode>,
 594         sync_new_<optab><mode>, sync_old_nand<mode>,
 595         sync_new_nand<mode>, sync_lock_test_and_set<mode>):  Add early
 596         clobber to operand 0 for SI and DI mode insns.
 597         * config/mips/mips-protos.h (mips_gen_fn_6, mips_gen_fn_5,
 598         mips_gen_fn_4): New typedefs.
 599         (mips_gen_fn_ptrs): Define new union type.
 600         (mips_expand_compare_and_swap_12): Remove declaration.
 601         (mips_expand_atomic_qihi): Declare function.
 602         * config/mips/mips.c (mips_expand_compare_and_swap_12): Rename to...
 603         (mips_expand_atomic_qihi): ... this.  Use new generator function
 604         parameter.
 605         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): Add OPS parameter.
 606         (MIPS_COMPARE_AND_SWAP_12_0): Delete macro.
 607         (MIPS_COMPARE_AND_SWAP_12_ZERO_OP,
 608         MIPS_COMPARE_AND_SWAP_12_NONZERO_OP,
 609         MIPS_SYNC_OP_12, MIPS_SYNC_OP_12_NOT_NOP,
 610         MIPS_SYNC_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12,
 611         MIPS_SYNC_OLD_OP_12_NOT_NOP, MIPS_SYNC_OLD_OP_12_NOT_NOP_REG,
 612         MIPS_SYNC_OLD_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12_NOT_NOT_REG,
 613         MIPS_SYNC_NEW_OP_12, MIPS_SYNC_NEW_OP_12_NOT_NOP,
 614         MIPS_SYNC_NEW_OP_12_NOT_NOT, MIPS_SYNC_EXCHANGE_12,
 615         MIPS_SYNC_EXCHANGE_12_ZERO_OP,
 616         MIPS_SYNC_EXCHANGE_12_NONZERO_OP): New macros.
 617
 618 2008-05-20  H.J. Lu  <hongjiu.lu@intel.com>
 619
 620         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Add
 621         the missing break.
 622
 623 2008-05-20  Anatoly Sokolov <aesok@post.ru>
 624
 625         * config/avr/avr.h (machine_function): Add 'is_OS_main' field.
 626         * config/avr/avr.c (avr_OS_main_function_p): Add new function.
 627         (avr_attribute_table): Add 'OS_main' function attribute.
 628         (avr_regs_to_save, expand_prologue, expand_epilogue): Handle
 629         functions with 'OS_main' attribute.
 630
 631 2008-05-20  Richard Guenther  <rguenther@suse.de>
 632
 633         PR tree-optimization/35204
 634         * tree-ssa-sccvn.c (extract_and_process_scc_for_name): New
 635         helper, split out from ...
 636         (DFS): ... here.  Make the DFS walk non-recursive.
 637
 638 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
 639             Jan Sjodin  <jan.sjodin@amd.com>
 640
 641         PR tree-optimization/36181
 642         * tree-parloops.c (loop_has_vector_phi_nodes): New.
 643         (parallelize_loops): Don't parallelize when the loop has vector
 644         phi nodes.
 645
 646 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
 647             Sebastian Pop  <sebastian.pop@amd.com>
 648
 649         * tree-loop-linear.c (gather_interchange_stats): Look in the access
 650         matrix, and never look at the tree representation of the memory
 651         accesses.
 652         (linear_transform_loops): Computes parameters and access matrices.
 653         * tree-data-ref.c (compute_data_dependences_for_loop): Returns false
 654         when fails.
 655         (access_matrix_get_index_for_parameter): New.
 656         * tree-data-ref.h (struct access_matrix): New.
 657         (AM_LOOP_NEST_NUM, AM_NB_INDUCTION_VARS, AM_PARAMETERS, AM_MATRIX,
 658         AM_NB_PARAMETERS, AM_CONST_COLUMN_INDEX, AM_NB_COLUMNS,
 659         AM_GET_SUBSCRIPT_ACCESS_VECTOR, AM_GET_ACCESS_MATRIX_ELEMENT,
 660         am_vector_index_for_loop): New.
 661         (struct data_reference): Add field access_matrix.
 662         (DR_ACCESS_MATRIX): New.
 663         (compute_data_dependences_for_loop): Update declaration.
 664         (lambda_collect_parameters, lambda_compute_access_matrices): Declared.
 665         * lambda.h (lambda_vector_vec_p): Declared.
 666         * lambda-code.c: Depend on pointer-set.h.
 667         (lambda_collect_parameters_from_af, lambda_collect_parameters,
 668         av_for_af_base, av_for_af, build_access_matrix,
 669         lambda_compute_access_matrices): New.
 670         * Makefile.in (lambda-code.o): Depend on pointer-set.h.
 671
 672 2008-05-20  Joseph Myers  <joseph@codesourcery.com>
 673
 674         * doc/install.texi2html: Generate gcc-vers.texi in $DESTDIR not
 675         $SOURCEDIR/include.
 676
 677 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
 678             Sebastian Pop  <sebastian.pop@amd.com>
 679
 680         PR tree-optimization/36206
 681         * tree-scalar-evolution.c: Remove enum INSERT_SUPERLOOP_CHRECS,
 682         FOLD_CONVERSIONS.
 683         (instantiate_scev_1): Rename flags to fold_conversions.
 684         Do not check for INSERT_SUPERLOOP_CHRECS, keep SSA_NAMEs defined
 685         outeside instantiation_loop.
 686         * tree-chrec.h (evolution_function_is_affine_in_loop): New.
 687         (evolution_function_is_affine_or_constant_p): Removed.
 688         * tree-data-ref.c (dr_analyze_indices): Replace resolve_mixers with
 689         instantiate_scev.
 690         (analyze_siv_subscript): Pass in the loop nest number.
 691         Call evolution_function_is_affine_in_loop instead of
 692         evolution_function_is_affine_p.
 693         (analyze_overlapping_iterations): Pass in the loop nest number.
 694
 695 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
 696             Sebastian Pop  <sebastian.pop@amd.com>
 697
 698         PR tree-optimization/36206
 699         * tree-chrec.h (chrec_fold_op): New.
 700         * tree-data-ref.c (initialize_matrix_A): Traverse NOP_EXPR, PLUS_EXPR,
 701         and other trees.
 702
 703 2008-05-20  Nathan Sidwell  <nathan@codesourcery.com>
 704
 705         * c-incpath.c (INO_T_EQ): Do not define on non-inode systems.
 706         (DIRS_EQ): New.
 707         (remove_duplicates): Do not set inode on non-inode systems.
 708         Use DIRS_EQ.
 709
 710 2008-05-20  Sandra Loosemore  <sandra@codesourcery.com>
 711
 712         * config.gcc (tm_file): Update comments about relative pathnames.
 713
 714 2008-05-20  Richard Guenther  <rguenther@suse.de>
 715
 716         * tree-ssa-reassoc.c (fini_reassoc): Use the statistics infrastructure.
 717         * tree-ssa-sccvn.c (process_scc): Likewise.
 718         * tree-ssa-sink.c (execute_sink_code): Likewise.
 719         * tree-ssa-threadupdate.c (thread_through_all_blocks): Likewise.
 720         * tree-vrp.c (process_assert_insertions): Likewise.
 721         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
 722         (perform_tree_ssa_dce): Likewise.
 723         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
 724         (dump_dominator_optimization_stats): Likewise.
 725         * tree-vectorizer.c (vectorize_loops): Likewise.
 726
 727 2008-05-20  Richard Guenther  <rguenther@suse.de>
 728
 729         * tree-vn.c (vn_lookup_with_vuses): Do not use the alias oracle.
 730
 731 2008-05-20  Kai Tietz  <kai.tietz@onevision.com>
 732
 733         * config/i386/i386-protos.h (ix86_return_in_memory): Removed.
 734         (ix86_i386elf_return_in_memory): Likewise.
 735         (ix86_i386interix_return_in_memory): Likewise.
 736         * config/i386/i386-interix.h (TARGET_RETURN_IN_MEMORY): Removed.
 737         (SUBTARGET_RETURN_IN_MEMORY): New.
 738         * config/i386/i386elf.h: Likewise.
 739         * config/i386/ptx4-i.h: Likewise.
 740         * config/i386/sol2-10.h: Likewise.
 741         * config/i386/sysv4.h: Likewise.
 742         * config/i386/vx-common.h: Likewise.
 743         * config/i386/i386.h (TARGET_RETURN_IN_MEMORY): Removed.
 744         * config/i386/i386.c (ix86_return_in_memory): Made static and
 745         make use of optional SUBTARGET_RETURN_IN_MEMORY macro.
 746         (ix86_i386elf_return_in_memory): Removed.
 747         (ix86_i386interix_return_in_memory): Removed.
 748         (TARGET_RETURN_IN_MEMORY): Declared within i386.c only.
 749         * target-def.h (TARGET_RETURN_IN_MEMORY): Remove protection #ifdef.
 750
 751 2008-05-20  Alexandre Oliva  <aoliva@redhat.com>
 752
 753         * cselib.c (cselib_record_sets): Use correct mode for IF_THEN_ELSE.
 754
 755 2008-05-19  Xinliang David Li  <davidxl@google.com>
 756
 757         * tree-ssa-dce.c: Revert patches of 2008-05-17 and 2008-05-18.
 758         * opts.c: Ditto.
 759         * common.opt: Ditto.
 760         * doc/invoke.texi: Ditto.
 761
 762 2008-05-19  Eric Botcazou  <ebotcazou@adacore.com>
 763
 764         * tree.c (substitute_in_expr) <tcc_vl_exp>: Fix thinko.
 765         (substitute_placeholder_in_expr) <tcc_vl_exp>: Minor tweak.
 766
 767 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
 768
 769         * config/i386/i386.c (ix86_expand_vector_init_concat): Change
 770         sizes of operand array from 8/4 to 4/2.
 771         (ix86_expand_vector_init_general): Change size of operand array
 772         from 32 to 16.  Remove op0, op1 and half_mode.
 773
 774 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
 775
 776         * config/i386/i386.c (ix86_expand_vector_init_concat): New.
 777         (ix86_expand_vector_init_interleave): Likewise.
 778         (ix86_expand_vector_init_general): Use them.  Assert word_mode
 779         == SImode when n_words == 4.
 780
 781 2008-05-19  Uros Bizjak  <ubizjak@gmail.com>
 782
 783         * config/i386/i386.c (ix86_secondary_reload): New static function.
 784         (TARGET_SECONDARY_RELOAD): New define.
 785         * config/i386/i386.h (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
 786         * config/i386/i386.md (reload_outqi): Remove.
 787
 788 2008-05-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 789
 790         PR middle-end/35509
 791         * builtins.c (mathfn_built_in_1): Renamed from mathfn_built_in.
 792         Add `implicit' parameter.  Handle BUILT_IN_SIGNBIT.
 793         (mathfn_built_in): Rewrite in terms of mathfn_built_in_1.
 794         (fold_builtin_classify): Handle BUILT_IN_ISINF_SIGN.
 795         (fold_builtin_1): Likewise.
 796         * builtins.def (BUILT_IN_ISINF_SIGN): New.
 797         c-common.c (check_builtin_function_arguments): Handle
 798         BUILT_IN_ISINF_SIGN.
 799         * doc/extend.texi: Document __builtin_isinf_sign.
 800         * fold-const.c (operand_equal_p): Handle COND_EXPR.
 801
 802 2008-05-18  Eric Botcazou  <ebotcazou@adacore.com>
 803
 804         * tree-ssa-dom.c (tree_ssa_dominator_optimize): If some blocks need
 805         EH cleanup at the end of the pass, search for those that have been
 806         turned into forwarder blocks and do the cleanup on their successor.
 807
 808 2008-05-18  Richard Guenther  <rguenther@suse.de>
 809
 810         * tree-cfg.c (verify_gimple_expr): Allow conversions from
 811         pointers to sizetype and vice versa.
 812
 813 2008-05-18 Xinliang David Li   <davidxl@google.com>
 814
 815         * gcc/tree-ssa-dce.c: Coding style fix.
 816         (check_pow): Documentation comment.
 817         (check_log): Documenation comment. Coding style fix.
 818         (is_unnecessary_except_errno_call): Ditto.
 819         (gen_conditions_for_pow): Ditto.
 820         (gen_conditions_for_log): Ditto.
 821         (gen_shrink_wrap_conditions): Ditto.
 822         (shrink_wrap_one_built_in_calls): Ditto.
 823         * gcc/doc/invoke.texi: Better documentation string.
 824         * ChangeLog: Fix wrong change log entries from
 825         May 17 checkin on function call DCE.
 826
 827 2008-05-17  Kaz Kojima  <kkojima@gcc.gnu.org>
 828
 829         * config/sh/sh.c (sh_output_mi_thunk): Update the use of init_flow.
 830
 831 2008-05-17  Kenneth Zadeck <zadeck@naturalbridge.com>
 832
 833         * doc/rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P): Fixed typos.
 834         * df-problems.c (simulation routines): Fixed block comment to
 835         properly say how to add forwards scanning functions.
 836
 837 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
 838
 839         * tree-inline.c (setup_one_parameter): Remove dead code.
 840
 841 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
 842
 843         * fold-const.c (fold_unary) <CASE_CONVERT>: Fold the cast into
 844         a BIT_AND_EXPR only for an INTEGER_TYPE.
 845
 846 2008-05-17 Xinliang David Li   <davidxl@google.com>
 847
 848         * gcc/tree-ssa-dce.c (cond_dead_built_in_calls): New static variable.
 849         (check_pow, check_log, is_unnecessary_except_errno_call): New
 850         functions to check for eliminating math functions that are pure
 851         except for setting errno.
 852         (gen_conditions_for_pow, gen_conditionas_for_log): New functions to
 853         general condition expressions for shrink-wrapping pow/log calls.
 854         (gen_shrink_wrap_conditions): Ditto.
 855         (shrink_wrap_one_built_in_call): Ditto.
 856         (shrink_wrap_conditional_dead_built_in_calls): Ditto.
 857         (mark_operand_necessary): If debugging, output if OP is necessary.
 858         (eliminate_unnecessary_stmts): Eliminate pow, log calls that are
 859         unnecessary.
 860         * gcc/opts.c (decode_options): set flag_tree_builtin_dce to 1 when
 861         opt level >= 2.
 862         * gcc/common.opt: New user flag -ftree-builtin-dce.
 863         * gcc/doc/invoke.texi (-ftree-builtin-dce): New option.
 864
 865 2008-05-16  David S. Miller  <davem@davemloft.net>
 866
 867         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Undef before overriding.
 868         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
 869
 870 2008-05-16  Uros Bizjak  <ubizjak@gmail.com>
 871
 872         PR target/36246
 873         * config/i386/i386.h (SECONDARY_MEMORY_NEEDED_MODE): New define.
 874
 875 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
 876
 877         * ifcvt.c (dead_or_predicable): Rename
 878         df_simulate_one_insn_backwards to df_simulate_one_insn.
 879         * recog.c (peephole2_optimize): Ditto.
 880         * rtl-factoring.c (collect_pattern_seqs, clear_regs_live_in_seq):
 881         Ditto.
 882         * df.h: Rename df_simulate_one_insn_backwards to
 883         df_simulate_one_insn.  and delete df_simulate_one_insn_forwards.
 884         * df-problems.c (df_simulate_artificial_refs_at_top) Reversed
 885         scanning of defs and uses.
 886         (df_simulate_one_insn_backwards): Renamed to df_simulate_one_insn.
 887         (df_simulate_one_insn_forwards): Removed.
 888
 889 2008-05-16  Doug Kwan  <dougkwan@google.com>
 890
 891         * real.c (real_to_decimal, real_to_hexadecimal): Distinguish
 892         QNaN & SNaN.
 893         (real_from_string): Handle NaNs and Inf as approriate.
 894
 895 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
 896
 897         * doc/gty.texi (Source Files Containing Type Information): Note
 898         that headers should appear first in the gtfiles list.
 899
 900 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
 901
 902         * tree.def (COND_EXEC): Properly documented this code.
 903
 904 2008-05-16  Diego Novillo  <dnovillo@google.com>
 905
 906         * dwarf2asm.c (dw2_assemble_integer): Clarify comment.
 907         * tree-nested.c (get_trampoline_type): Set DECL_CONTEXT for
 908         the new field.
 909
 910 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
 911
 912         * tree-ssa-dse (max_stmt_uid): Removed.
 913         (get_stmt_uid, dse_possible_dead_store_p, dse_optimize_stmt,
 914         tree_ssa_dse): Encapsulate all uses of stmt_ann->uid.
 915         * tree-ssa-sccvn.c (compare_ops, init_scc_vn): Ditto.
 916         * function.h (cfun.last_stmt_uid): New field.
 917         * tree-flow-inline.h (set_gimple_stmt_uid, gimple_stmt_uid,
 918         gimple_stmt_max_uid, set_gimple_stmt_max_uid, inc_gimple_stmt_max_uid):
 919         New functions.
 920         * tree-dfa.c (renumber_gimple_stmt_uids): New function.
 921         (create_stmt_ann): Initialize the ann->uid field.
 922         * tree-ssa-pre.c (compute_avail): Encapsulate the stmt_ann->uid
 923         with new calls.
 924         * tree-flow.h (renumber_gimple_stmt_uids): New function.
 925
 926 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
 927
 928         * tree-flow.h (init_empty_tree_cfg_for_function): Declare.
 929         * tree-cfg.c (init_empty_tree_cfg_for_function): Define.
 930         (init_empty_tree_cfg): Call it.
 931
 932 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
 933
 934         * cfg.c (init_flow): Add argument THE_FUN.  Use it instead of cfun.
 935         Update all users.
 936
 937 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
 938
 939         * doc/invoke.text (-fdump-tree-*-verbose): New option.
 940         * tree-dump.c (dump_options): New verbose option.
 941         * tree-pretty-print.c (dump_phi_nodes, dump_generic_bb_buff):
 942         Add verbose dump.
 943         * tree-pass.h (TDF_VERBOSE): New dump flag.
 944         * print-tree.c (print_node): Added code to be able to print PHI_NODES.
 945         (tree-flow.h): Added include.
 946         * Makefile.in (print-tree.o):  Added TREE_FLOW_H.
 947
 948 2008-05-16  Bernd Schmidt  <bernd.schmidt@analog.com>
 949
 950         * config/bfin/bfin.c (bfin_discover_loops): Delete empty loops.
 951
 952         From Jie Zhang  <jie.zhang@analog.com>
 953         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
 954         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Remove mcpu=bf532-0.3,
 955         mcpu=bf561-none and mcpu=bf561-0.2.
 956         * config/bfin/t-bfin-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
 957         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
 958         * config/bfin/t-bfin-linux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
 959         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
 960         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add BFIN_CPU_UNKNOWN.
 961         * config/bfin/elf.h (STARTFILE_SPEC): Use specific CRT for BF561.
 962         (LIB_SPEC): Use proper linker script for bf561.  Error if no mcpu
 963         option.
 964         * config/bfin/bfin.c (bfin_cpu_type): Set to BFIN_CPU_UNKNOWN.
 965         (cputype_selected): Remove.
 966         (bfin_handle_option): Don't use cputype_selected.
 967         (override_options): When no mcpu option, enable all workarounds.
 968         Don't use bfin_workarounds.
 969         * config/bfin/bfin.h (DRIVER_SELF_SPECS): Don't set default
 970         processor type.
 971         (DEFAULT_CPU_TYPE): Don't define.
 972
 973 2008-05-16  Richard Guenther  <rguenther@suse.de>
 974
 975         * tree-ssa-propagate.c (substitute_and_fold): Fix stmt walking
 976         on deletion of the last stmt.
 977
 978 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 979
 980         * config/i386/i386.c (ix86_expand_vector_init_general): Optimize
 981         V8HImode for SSE2 and V16QImode for SSE4.1.
 982
 983 2008-05-15  Kenneth Zadeck <zadeck@naturalbridge.com>
 984
 985         * cgraph.h (compute_inline_parameters): Made public.
 986         * tree-pass.h (ipa_opt_pass): Removed function_generate_summary,
 987         variable_generate_summary, function_write_summary,
 988         variable_write_summary, variable_read_summary.  Added generate_summary,
 989         write_summary, read_summary.
 990         * cgraphunit.c (cgraph_process_new_functions): Changed call from
 991         pass_ipa_inline.function_generate_summary, to
 992         compute_inline_parameters.
 993         * ipa-inline.c (compute_inline_parameters): Made public and added
 994         node parameter.
 995         (compute_inline_parameters_for_current): New function.
 996         (pass_inline_param): Now calls compute_inline_parameters_for_current.
 997         (inline_generate_summary): Removed parameter and made to loop over
 998         all cgraph nodes.
 999         (pass_ipa_inline): Updated for new IPA_PASS structure.
1000         * passes.c (execute_ipa_summary_passes): Now is called once per
1001         pass rather than once per node*pass.
1002
1003 2008-05-15  Anatoly Sokolov <aesok@post.ru>
1004
1005         * config/avr/avr.c (avr_base_arch_macro, avr_have_movw_lpmx_p,
1006         avr_have_mul_p, avr_asm_only_p): Remove variables.
1007         (avr_override_options): Remove initialization of removed variables.
1008         (avr_file_start):  Convert removed variables to fields of
1009         'struct base_arch_s *avr_current_arch'.
1010         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): (Ditto.).
1011         (AVR_HAVE_MUL): (Ditto.).
1012         (AVR_HAVE_MOVW): (Ditto.).
1013         (AVR_HAVE_LPMX): (Ditto.).
1014         (avr_base_arch_macro, avr_have_movw_lpmx_p, avr_have_mul_p,
1015         avr_asm_only_p): Remove declaration.
1016
1017 2008-05-15  Diego Novillo  <dnovillo@google.com>
1018
1019         * config/arm/arm.c (arm_return_in_memory): Fix return type.
1020         * config/arm/arm-protos.h (arm_return_in_memory): Likewise.
1021
1022 2008-05-15  Adam Nemet  <anemet@caviumnetworks.com>
1023
1024         PR middle-end/36194
1025         * combine.c (check_conversion): Rename back to check_promoted_subreg.
1026         Don't call record_truncated_value from here.
1027         (record_truncated_value): Turn it into a for_each_rtx callback.
1028         (record_truncated_values): New function.
1029         (combine_instructions): Call note_uses with record_truncated_values.
1030         Change name of check_conversion to check_promoted_subreg.
1031
1032 2008-05-15  Janis Johnson  <janis187@us.ibm.com>
1033
1034         * doc/sourcebuild.texi: Document support for torture tests.
1035
1036 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
1037
1038         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Add "m" constraint
1039         to alternative 4 of operand 2.
1040
1041 2008-05-15  Richard Guenther  <rguenther@suse.de>
1042
1043         * tree-pass.h (current_pass): Declare.
1044         (get_pass_for_id): Likewise.
1045         * passes.c (passes_by_id, passes_by_id_size): New globals.
1046         (set_pass_for_id): New function.
1047         (get_pass_for_id): Likewise.
1048         (register_one_dump_file): Use set_pass_for_id to populate passes_by_id.
1049         (execute_function_todo): Flush per function statistics.
1050         * toplev.c (compile_file): Init statistics.
1051         (general_init): Do early statistics initialization.
1052         (finalize): Finish statistics.
1053         * statistics.h (statistics_early_init): Declare.
1054         (statistics_init): Likewise.
1055         (statistics_fini): Likewise.
1056         (statistics_fini_pass): Likewise.
1057         (statistics_counter_event): Likewise.
1058         (statistics_histogram_event): Likewise.
1059         * statistics.c: New file.
1060         * Makefile.in (OBJS-common): Add statistics.o.
1061         (statistics.o): Add dependencies.
1062         * doc/invoke.texi (-fdump-statistics): Document.
1063
1064         * tree-ssa-pre.c (compute_antic): Use statistics_histogram_event.
1065         (insert): Likewise.
1066         (execute_pre): Use statistics_counter_event.
1067         * tree-ssa-propagate.c (struct prop_stats_d): Add num_dce field.
1068         (substitute_and_fold): Increment it.  Use statistics_counter_event.
1069
1070 2008-05-15  Diego Novillo  <dnovillo@google.com>
1071
1072         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00893.html
1073
1074         * treestruct.def (TS_STRUCT_FIELD_TAG): Remove.
1075         * tree-ssa-alias.c (new_type_alias): Remove references to
1076         sub-variables from comment.
1077         * tree-ssa-operands.c (swap_tree_operands): Likewise.
1078
1079 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1080
1081         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Set prefix_extra
1082         attribute to 1 only for insertps alternative.
1083
1084 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
1085
1086         * config/bfin/bfin.md (loadbytes): New pattern.
1087         * config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_LOADBYTES.
1088         (bfin_init_builtins): Initialize it.
1089         (bdesc_1arg): Add it.
1090
1091 2008-05-15  Sa Liu  <saliu@de.ibm.com>
1092
1093         * testsuite/gfortran.dg/c_kind_int128_test1.f03: New.
1094         * testsuite/gfortran.dg/c_kind_int128_test2.f03: New.
1095         * testsuite/lib/target-supports.exp: Add
1096         check_effective_target_fortran_integer_16.
1097
1098 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
1099
1100         * config/bfin/bfin.h (TARGET_RETURN_IN_MEMORY): Don't define here.
1101         * config/bfin/bfin-protos.h (bfin_return_in_memory): Don't declare.
1102         * config/bfin/bfin.c (bfin_return_in_memory): Now static.  Return bool.
1103         (TARGET_RETURN_IN_MEMORY): Define.
1104
1105 2008-05-15  Richard Guenther  <rguenther@suse.de>
1106
1107         PR middle-end/36244
1108         * tree-ssa-alias.c (new_type_alias): Do not set TREE_READONLY.
1109         * tree-flow-inline.h (unmodifiable_var_p): Memory tags never
1110         represent unmodifiable vars.
1111
1112 2008-05-15  Richard Guenther  <rguenther@suse.de>
1113
1114         * tree-dfa.c (refs_may_alias_p): Allow all kinds of
1115         INDIRECT_REF and TARGET_MEM_REF.
1116         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1117         TARGET_MEM_REF.
1118
1119 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
1120             H.J. Lu  <hongjiu.lu@intel.com>
1121
1122         * config/i386/sse.md (*vec_concatv2sf_sse4_1): New insn pattern.
1123         (*vec_concatv2si_sse4_1): Use vector_move_operand predicate
1124         for operand 2.  Remove pinsr{q,d} with 0x0 immediate operand from
1125         insn alternatives.  Add missing alternatives.
1126         (*vec_concatv2di_rex64_sse4_1): Likewise.
1127         (*vec_concatv2si_sse2): Use "x" register constraint instead of "Y2".
1128         (*vec_concatv2di_rex64_sse): Rename from *vec_concatv2di_rex64.
1129         Require TARGET_SSE.
1130
1131 2008-05-15  Richard Guenther  <rguenther@suse.de>
1132
1133         PR tree-optimization/36009
1134         PR tree-optimization/36204
1135         * tree-ssa-loop-im.c (tree-ssa-propagate.h): Include.
1136         (determine_invariantness_stmt): Record the loop a store is
1137         always executed in.
1138         * Makefile.in (tree-ssa-loop-im.o): Add tree-ssa-propagate.h
1139         dependency.
1140
1141 2008-05-15  Richard Guenther  <rguenther@suse.de>
1142
1143         PR tree-optimization/34330
1144         * tree-ssa-alias.c (get_smt_for): Only assert that accesses
1145         through the pointer will alias the SMT.
1146
1147 2008-05-14  Andreas Tobler  <a.tobler@schweiz.org>
1148
1149         * config/sparc/sparc.h (NO_PROFILE_COUNTERS): Define as 0.
1150
1151 2008-05-14  H.J. Lu  <hongjiu.lu@intel.com>
1152
1153         * config/i386/sse.md (*sse4_1_pinsrq): Make it 64bit only.
1154
1155 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
1156             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
1157
1158         * optabs.h (optab_index): Add OTI_vashl, OTI_vlshr, OTI_vashr,
1159         OTI_vrotl, OTI_vrotr to support vector/vector shifts.
1160         (vashl_optab): New optab for vector/vector shifts.
1161         (vashr_optab): Ditto.
1162         (vlshr_optab): Ditto.
1163         (vrotl_optab): Ditto.
1164         (vrotr_optab): Ditto.
1165         (optab_subtype): New enum for optab_for_tree_code call.
1166         (optab_for_tree_code): Add enum optab_subtype argument.
1167
1168         * optabs.c (optab_for_tree_code): Take an additional argument to
1169         distinguish between a vector shift by a scalar and vector shift by
1170         a vector.  Make lshr/ashr/ashl/rotl/rotr optabs just vector
1171         shifted by a scalar.  Use vlshr/vashr/vashl/vrotl/vrotr for the
1172         vector shift by a vector.
1173         (expand_widen_pattern_expr): Pass additional argument to
1174         optab_for_tree_code.
1175
1176         * genopinit.c (optabs): Add vashr_optab, vashl_optab, vlshr_optab,
1177         vrotl_optab, vrotr_optab.
1178
1179         * expr.c (expand_expr_real_1): Update calls to
1180         optab_for_tree_code to distinguish between vector shifted by a
1181         scalar and vector shifted by a vector.
1182         * tree-vectorizer.c (supportable_widening_operation): Ditto.
1183         (supportable_narrowing_operation): Ditto.
1184         * tree-vect-analyze.c (vect_build_slp_tree): Ditto.
1185         * tree-vect-patterns.c (vect_pattern_recog_1): Ditto.
1186         * tree-vect-transform.c (vect_model_reduction_cost): Ditto.
1187         (vect_create_epilog_for_reduction): Ditto.
1188         (vectorizable_reduction): Ditto.
1189         (vectorizable_operation): Ditto.
1190         (vect_strided_store_supported): Ditto.
1191         (vect_strided_load_supported): Ditto.
1192         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
1193         * expmed.c (expand_shift): Ditto.
1194
1195         * doc/md.texi (ashl@var{m}3): Document that operand 2 is always a
1196         scalar type.
1197         (ashr@var{m}3): Ditto.
1198         (vashl@var{m}3): Document new vector/vector shift standard name.
1199         (vashr@var{m}3): Ditto.
1200         (vlshr@var{m}3): Ditto.
1201         (vrotl@var{m}3): Ditto.
1202         (vrotr@var{m}3): Ditto.
1203
1204         * config/i386/i386.md (PPERM_SRC): Move PPERM masks here from i386.c.
1205         (PPERM_INVERT): Ditto.
1206         (PPERM_REVERSE): Ditto.
1207         (PPERM_REV_INV): Ditto.
1208         (PPERM_ZERO): Ditto.
1209         (PPERM_ONES): Ditto.
1210         (PPERM_SIGN): Ditto.
1211         (PPERM_INV_SIGN): Ditto.
1212         (PPERM_SRC1): Ditto.
1213         (PPERM_SRC2): Ditto.
1214
1215         * config/i386/sse.md (mulv2di3): Add SSE5 support.
1216         (sse5_pmacsdql_mem): New SSE5 define_and_split that temporarily
1217         allows a memory operand to be the value being added, and split it
1218         to improve vectorization.
1219         (sse5_pmacsdqh_mem): Ditto.
1220         (sse5_mulv2div2di3_low): SSE5 32-bit multiply and extend function.
1221         (sse5_mulv2div2di3_high): Ditto.
1222         (vec_pack_trunc_v8hi): Add SSE5 pperm support.
1223         (vec_pack_trunc_v4si): Ditto.
1224         (vec_pack_trunc_v2di): Ditto.
1225         (sse5_pcmov_<mode>): Remove code that tried to use use
1226         andps/andnps instead of pcmov.
1227         (vec_widen_smult_hi_v4si): If we have SSE5, use the pmacsdql and
1228         pmacsdqh instructions.
1229         (vec_widen_smult_lo_v4si): Ditto.
1230
1231         * config/i386/i386.c (PPERM_SRC): Move PPERM masks to i386.md.
1232         (PPERM_INVERT): Ditto.
1233         (PPERM_REVERSE): Ditto.
1234         (PPERM_REV_INV): Ditto.
1235         (PPERM_ZERO): Ditto.
1236         (PPERM_ONES): Ditto.
1237         (PPERM_SIGN): Ditto.
1238         (PPERM_INV_SIGN): Ditto.
1239         (PPERM_SRC1): Ditto.
1240         (PPERM_SRC2): Ditto.
1241         (ix86_expand_sse_movcc): Move the SSE5 test after the if
1242         true/false tests.
1243         (ix86_expand_int_vcond): If SSE5 generate all possible integer
1244         comparisons.
1245         (ix86_sse5_valid_op_p): Allow num_memory to be negative, which
1246         says ignore whether the last reference is a memory operand.
1247
1248 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
1249             Paolo Bonzini <bonzini at gnu dot org>
1250
1251         * config/rs6000/rs6000.c (bdesc_2arg): Change the names of vector
1252         shift patterns.
1253
1254         * config/rs6000/altivec.md (vashl<mode>3): Rename from ashl<mode>3.
1255         (vlshr<mode>3): Rename from vlshr<mode>3.
1256         (vashr<mode>3): Rename from vashr<mode>3.
1257         (mulv4sf3): Change the names of vector shift patterns.
1258         (mulv4si3): Ditto.
1259         (negv4sf2): Ditt.
1260
1261         * config/spu/spu.c (spu_initialize_trampoline): Rename vector
1262         shift insns.
1263
1264         * config/spu/spu-builtins.def (SI_SHLH): Rename vector shift insns.
1265         (SI_SHLHI): Ditto.
1266         (SI_SHL): Ditto.
1267         (SI_SHLI): Ditto.
1268         (SI_ROTH): Ditto.
1269         (SI_ROTHI): Ditto.
1270         (SI_ROT): Ditto.
1271         (SI_ROTI): Ditto.
1272         (SPU_RL_0): Ditto.
1273         (SPU_RL_1): Ditto.
1274         (SPU_RL_2): Ditto.
1275         (SPU_RL_3): Ditto.
1276         (SPU_RL_4): Ditto.
1277         (SPU_RL_5): Ditto.
1278         (SPU_RL_6): Ditto.
1279         (SPU_RL_7): Ditto.
1280         (SPU_SL_0): Ditto.
1281         (SPU_SL_1): Ditto.
1282         (SPU_SL_2): Ditto.
1283         (SPU_SL_3): Ditto.
1284         (SPU_SL_4): Ditto.
1285         (SPU_SL_5): Ditto.
1286         (SPU_SL_6): Ditto.
1287         (SPU_SL_7): Ditto.
1288
1289         * config/spu/spu.md (v): New iterator macro to add v for vector types.
1290         (floatunssidf2_internal): Change vector/vector shift names.
1291         (floatunsdidf2_internal): Ditto.
1292         (mulv8hi3): Ditto.
1293         (ashrdi3): Ditto.
1294         (ashrti3): Ditto.
1295         (cgt_df): Ditto.
1296         (cgt_v2df): Ditto.
1297         (dftsv): Ditto.
1298         (vashl<mode>3): Rename from ashl<mode>3.
1299         (vashr<mode>3): Rename from ashr<mode>3.
1300         (vlshr<mode>3): Rename from lshr<mode>3.
1301         (vrotl<mode>3): Rename from rotl<mode>3.
1302
1303 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
1304
1305         PR target/36224
1306         * config/i386/sse.md (vec_widen_smult_hi_v4si): Delete, using unsigned
1307         multiply gives the wrong value when doing widening multiplies.
1308         (vec_widen_smult_lo_v4si): Ditto.
1309
1310 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
1311
1312         * optabs.c (prepare_cmp_insn): Changed LCT_PURE_MAKE_BLOCK to
1313         LCT_PURE and LCT_CONST_MAKE_BLOCK to LCT_CONST in calls to
1314         emit_library_call_value.
1315         * builtins.c (expand_builtin_powi, expand_builtin_memcmp): Ditto.
1316         * tree.h (ECF_LIBCALL_BLOCK): Removed.
1317         * calls.c (initialize_argument_information, precompute_arguments,
1318         expand_call, emit_library_call_value_1): Remove ECF_LIBCALL_BLOCK.
1319         (precompute_arguments): Removed flags parameter.
1320         * rtl.h (LCT_CONST_MAKE_BLOCK, LCT_PURE_MAKE_BLOCK): Removed.
1321
1322 2008-05-14  Richard Guenther  <rguenther@suse.de>
1323
1324         * tree-ssa-dse.c (dse_possible_dead_store_p): Remove dead code.
1325         Make sure to register the store if the use is a PHI_NODE.
1326
1327 2008-05-14  Olivier Hainque  <hainque@adacore.com>
1328
1329         * expr.c (expand_expr_real_1) <normal_inner_ref>: Force op0 to
1330         memory if the component is to be referenced in BLKmode according
1331         to get_inner_reference.
1332
1333 2008-05-14  Adam Nemet  <anemet@caviumnetworks.com>
1334
1335         * calls.c (emit_library_call_value_1): Restore code clearing
1336         ECF_LIBCALL_BLOCK to ensure that we only call end_sequence once.
1337
1338 2008-05-14  Olivier Hainque  <hainque@adacore.com>
1339             Nicolas Roche  <roche@adacore.com>
1340
1341         * configure.ac: Add support for a "gcc_subdir" variable in
1342         config-lang.in, to denote a subdirectory where the language/GCC
1343         integration files are to be found.
1344         * configure: Regenerate.
1345
1346 2008-05-14  Ira Rosen  <irar@il.ibm.com>
1347
1348         PR tree-optimization/36098
1349         * tree-vect-analyze.c (vect_analyze_group_access): Set the gap
1350         value for the first load in the group in case of a gap.
1351         (vect_build_slp_tree): Check that there are no gaps in loads.
1352
1353 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
1354
1355         * doc/rtl.texi: Removed reference to REG_NO_CONFLICT notes.
1356         * optabs.c (expand_binop, expand_absneg_bit, expand_unop,
1357         expand_copysign_bit, ): Change call to emit_no_conflict_block to
1358         emit_insn and remove unneeded code to construct extra args.
1359         (emit_no_conflict_block): Removed.
1360         * optabls.h: (emit_no_conflict_block): Removed.
1361         * cse.c (cse_extended_basic_block): Remove search for
1362         REG_NO_CONFLICT note.
1363         * global.c: Removed incorrect comment added in revision 117.
1364         * expr.c (convert_move): Change call to emit_no_conflict_block to
1365         emit_insn.
1366         * recog.c: Change comments so that they do not mention
1367         REG_NO_CONFLICT.
1368         * local_alloc.c (combine_regs): Removed last parameter.
1369         (no_conflict_p): Removed.
1370         (block_alloc): Removed note, no_conflict_combined_regno and set
1371         local vars. Removed all code to process REG_NO_CONFLICT blocks.
1372         (combine_regs): Removed already_dead and code to look for
1373         REG_NO_CONFLICT notes.
1374         * lower_subreg (remove_retval_note): Removed code to look for
1375         REG_NO_CONFLICT block.
1376         (resolve_reg_notes): Removed REG_NO_CONFLICT case.
1377         (resolve_clobber): Remove code to process libcalls that have
1378         REG_NO_CONFLICT notes.
1379         * loop_invariant.c (find_invariant_insn): Removed REG_NO_CONFLICT
1380         case.
1381         * combine.c (can_combine_p, distribute_notes):  Removed
1382         REG_NO_CONFLICT case.
1383         * config/cris/cris.md (movdi pattern): Changed emit_no_conflict_block
1384         to emit_insns.
1385         * config/mn10300/mn10300.md (absdf2, negdf2 patterns): Ditto.
1386         * config/m68k/m68k.md (negdf2, negxf2, absdf2, absxf2 patterns):
1387         Ditto.
1388         * reg-notes.def (NO_CONFLICT): Removed.
1389
1390 2008-05-14  David S. Miller  <davem@davemloft.net>
1391
1392         * config/sparc/sparc.c (sparc_profile_hook): If
1393         NO_PROFILE_COUNTERS, don't generate and pass a label into mcount.
1394         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Define as 1.
1395         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
1396
1397 2008-05-14  Andreas Krebbel  <krebbel1@de.ibm.com>
1398
1399         * cse.c (cse_cc_succs): Invoke delete_insn_and_edges.
1400
1401 2008-05-13  Uros Bizjak  <ubizjak@gmail.com>
1402
1403         PR target/36222
1404         * config/i386/i386.c (ix86_expand_vector_init_general): Rearrange op0
1405         and op1 expansion before vector concat to have less live pseudos.
1406
1407 2008-05-13  H.J. Lu  <hongjiu.lu@intel.com>
1408
1409         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
1410         ix86_expand_vector_set if supported.
1411
1412 2008-05-13  Diego Novillo  <dnovillo@google.com>
1413             Kenneth Zadeck  <zadeck@naturalbridge.com>
1414
1415         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00748.html
1416
1417         * tree.h (init_phinodes, fini_phinodes, release_phi_node,
1418         phinodes_print_statistics, init_ssanames, fini_ssanames,
1419         make_ssa_name, duplicate_ssa_name, duplicate_ssa_name_ptr_info,
1420         release_ssa_name, release_defs, replace_ssa_name_symbol,
1421         ssanames_print_statistics): Move ...
1422         * tree-flow.h: ... here.
1423         * tree-ssanames.c (init_ssanames): Add arguments FN and SIZE.
1424         Use FN instead of cfun.
1425         (make_ssa_name_fn): Rename from make_ssa_name.
1426         (pass_release_ssa_names): Add TODO_dump_func to finish flags.
1427         * tree-flow-inline.h (make_ssa_name): Move from
1428         tree-ssanames.c.  Convert to static inline.  Call make_ssa_name_fn.
1429         * omp-low.c (expand_omp_parallel):
1430         * tree-flow-inline.h (redirect_edge_var_map_result):
1431         * tree-ssa.c (init_tree_ssa): Add argument FN.
1432         Use it instead of cfun.  Update all users.
1433
1434 2008-05-13  Tom Tromey  <tromey@redhat.com>
1435
1436         PR preprocessor/22168:
1437         * doc/cpp.texi (Top): Update menu.
1438         (Alternatives to Wrapper #ifndef): New node.
1439         (Other Directives): Document deprecation.
1440         (Obsolete Features): Remove menu.
1441         (Assertions): Merge node into Obsolete Features.
1442         (Obsolete once-only headers): Move earlier; rename to Alternatives
1443         to Wrapper #ifndef.
1444         * doc/cppopts.texi: Update.
1445         * c.opt (Wdeprecated): Enable for C and ObjC.
1446         * doc/invoke.texi (Option Summary): Move -Wno-deprecated.
1447         (C++ Dialect Options): Move -Wno-deprecated from here to...
1448         (Warning Options): ... here.
1449
1450 2008-05-13  Richard Guenther  <rguenther@suse.de>
1451
1452         PR middle-end/36227
1453         * fold-const.c (fold_sign_changed_comparison): Do not allow
1454         changes in pointer-ness.
1455
1456 2008-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
1457
1458         PR target/24713
1459         * config/sh/sh.c (sh_expand_prologue): Don't clear
1460         RTX_FRAME_RELATED_P for push insns.
1461
1462 2008-05-12  Andy Hutchinson  <hutchinsonandy@aim.com>
1463
1464         * config/avr/avr.h (MAX_OFILE_ALIGNMENT): Define.
1465
1466 2008-05-12  Anatoly Sokolov <aesok@post.ru>
1467
1468         * config/avr/avr.h (machine_function): Add 'is_leaf' field.
1469         * config/avr/avr.c (avr_regs_to_save): Compute 'machine->is_leaf'.
1470         Use 'machine->is_leaf' instead of 'leaf_func_p'.
1471
1472 2008-05-12  H.J. Lu  <hongjiu.lu@intel.com>
1473
1474         * config/i386/sse.md (*sse_concatv4sf): Renamed to ...
1475         (*vec_concatv4sf_sse): This.
1476         (*sse2_concatv2si): Renamed to ...
1477         (*vec_concatv2si_sse2): This.
1478         (*sse1_concatv2si): Renamed to ...
1479         (*vec_concatv2si_sse): This.
1480         (*vec_concatv2di_rex): Renamed to ...
1481         (*vec_concatv2di_rex64): This.
1482         (*vec_concatv2si_sse4_1): New.
1483         (*vec_concatv2di_rex64_sse4_1): Likewise.
1484
1485 2008-05-12  Uros Bizjak  <ubizjak@gmail.com>
1486
1487         PR rtl-optimization/36111
1488         * recog.c (validate_replace_rtx_1): Unshare new RTL expression
1489         that was created for swappable operands.
1490
1491 2008-05-12  Samuel Tardieu  <sam@rfc1149.net>
1492
1493         PR ada/36001
1494         * Makefile.in: Substitute GNATMAKE and GNATBIND.
1495         * configure.ac: Add call to ACX_PROG_GNAT.
1496
1497 2008-05-11  Volker Reichelt  <v.reichelt@netcologne.de>
1498
1499         * optc-gen.awk: Fix comment typo.
1500
1501 2008-05-11  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
1502
1503         * pretty-print.c (pp_integer_with_precision): Use
1504         HOST_LONG_LONG_FORMAT.
1505
1506 2008-05-10  Kenneth Zadeck  <zadeck@naturalbridge.com>
1507
1508         * gcse.c (store_killed_in_insn): Negated call to RTL_CONST_CALL_P.
1509
1510 2008-05-10  H.J. Lu  <hongjiu.lu@intel.com>
1511
1512         * config/i386/i386.c (bdesc_ptest): Removed.
1513         (ix86_builtin_type): Add INT_FTYPE_V2DI_V2DI_PTEST.
1514         (bdesc_args): Add __builtin_ia32_ptestz128,
1515         __builtin_ia32_ptestc128 and __builtin_ia32_ptestnzc128.
1516         (ix86_init_mmx_sse_builtins): Updated.
1517         (ix86_expand_args_builtin): Handle INT_FTYPE_V2DI_V2DI_PTEST.
1518         (ix86_expand_builtin): Updated.
1519
1520 2008-05-10  Richard Sandiford  <rdsandiford@googlemail.com>
1521
1522         * tree-cfg.c (valid_fixed_convert_types_p): New function.
1523         (verify_gimple_expr): Handle FIXED_CONVERT_EXPR.
1524
1525 2008-05-10  Uros Bizjak  <ubizjak@gmail.com>
1526
1527         * value-prof.c (interesting_stringop_to_profile): Do not
1528         return early for BUILT_IN_MEMPCPY.
1529
1530 2008-05-09  H.J. Lu  <hongjiu.lu@intel.com>
1531
1532         * calls.c (expand_call): Don't use callgraph to increase
1533         preferred_stack_boundary.
1534
1535         * cgraph.h (cgraph_rtl_info): Use unsigned on
1536         preferred_incoming_stack_boundary.
1537
1538         * final.c (rest_of_clean_state): Use unsigned on
1539         preferred_stack_boundary.
1540
1541 2008-05-09  Tom Tromey  <tromey@redhat.com>
1542
1543         PR preprocessor/22231:
1544         * c-opts.c (sanitize_cpp_opts): Disallow -MG if compilation is
1545         proceeding.
1546
1547 2008-05-09  Uros Bizjak  <ubizjak@gmail.com>
1548
1549         PR tree-optimization/36129
1550         * tree-ssa-ccp.c: Include value-prof.h.
1551         (execute_fold_all_builtins): Call gimple_remove_stmt_histograms if
1552         built-in function was folded to a constant.
1553         * Makefile.in (tree-ssa-ccp.c): Depend on value-prof.h
1554
1555 2008-05-09  Jan Sjodin  <jan.sjodin@amd.com>
1556             Sebastian Pop  <sebastian.pop@amd.com>
1557
1558         * tree-scalar-evolution.c: Document instantiate_scev.
1559         (instantiate_parameters_1): Renamed instantiate_scev_1.
1560         Don't use the same loop for instantiation_loop and evolution_loop.
1561         (instantiate_scev): New.
1562         (instantiate_parameters): Moved...
1563         (resolve_mixers): Update call to instantiate_scev_1 to pass the
1564         same loop twice.  Maintains the semantics for this function.
1565         * tree-scalar-evolution.h (instantiate_scev): Declare.
1566         (instantiate_parameters): ...here.  Now static inline.
1567         * tree-data-ref.c (dr_analyze_indices): Call instantiate_scev
1568         instead of resolve_mixers.
1569
1570 2008-05-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
1571
1572         * rtl-factoring.c (collect_pattern_seqs): Fix typo.
1573
1574 2008-05-09  Tomas Bily  <tbily@suse.cz>
1575
1576         * config/pa/pa.c (reloc_needed): Use CASE_CONVERT.
1577         * tree-cfg.c (verify_expr, verify_gimple_expr): Likewise.
1578         * tree-ssa-structalias.c (get_constraint_for): Likewise.
1579         * c-common.c (c_common_truthvalue_conversion): Likewise.
1580         * tree-object-size.c (compute_object_offset): Likewise.
1581         * tree-inline.c (estimate_num_insns_1): Likewise.
1582         * varasm.c (const_hash_1, compare_constant, copy_constant)
1583         (compute_reloc_for_constant, output_addressed_constants)
1584         (initializer_constant_valid_p): Likewise.
1585         * c-omp.c (check_omp_for_incr_expr): Likewise.
1586         * gimplify.c (gimplify_expr): Likewise.
1587         * c-typeck.c (c_finish_return): Likewise.
1588         * tree-vectorizer.c (supportable_widening_operation)
1589         (supportable_narrowing_operation): Likewise.
1590         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Likewise.
1591         * matrix-reorg.c (can_calculate_expr_before_stmt): Likewise.
1592         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
1593         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info)
1594         (descr_info_loc): Likewise.
1595         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
1596         * fold-const.c (operand_equal_p, make_range, extract_muldiv_1)
1597         (fold_unary): Likewise.
1598         * builtins.c (get_pointer_alignment): Likewise.
1599         * tree-scalar-evolution.c (interpret_rhs_modify_stmt)
1600         (instantiate_parameters_1): Likewise.
1601         * tree.c (expr_align, stabilize_reference): Likewise.
1602         * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1603         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
1604         * convert.c (strip_float_extensions): Use CONVERT_EXPR_P.
1605         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
1606         * config/alpha/alpha.c (va_list_skip_additions): Likewise.
1607         * c-common.c (c_alignof_expr, check_function_arguments_recurse):
1608         Likewise.
1609         * tree-ssa.c (tree_ssa_useless_type_conversion): Likewise.
1610         * varasm.c (initializer_constant_valid_p, output_constant): Likewise.
1611         * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
1612         (forward_propagate_addr_expr_1, forward_propagate_addr_expr)
1613         (forward_propagate_comparison)
1614         (tree_ssa_forward_propagate_single_use_vars): Likewise.
1615         * cfgexpand.c (discover_nonconstant_array_refs_r): Likewise.
1616         * emit-rtl.c (component_ref_for_mem_expr)
1617         (set_mem_attributes_minus_bitpos): Likewise.
1618         * tree-ssa-phiopt.c (conditional_replacement): Likewise.
1619         * gimplify.c (gimplify_conversion, goa_lhs_expr_p, gimplify_expr):
1620         Likewise.
1621         * c-typeck.c (default_function_array_conversion, build_indirect_ref)
1622         (build_function_call, pointer_diff, build_compound_expr)
1623         (c_finish_return): Likewise.
1624         * tree-vect-analyze.c (vect_determine_vectorization_factor): Likewise.
1625         * matrix-reorg.c (get_inner_of_cast_expr, may_flatten_matrices_1):
1626         Likewise.
1627         * tree-ssa-ifcombine.c (recognize_single_bit_test): Likewise.
1628         * expr.c (is_aligning_offset): Likewise.
1629         * tree-ssa-alias.c (is_escape_site): Likewise.
1630         * tree-stdarg.c (va_list_counter_bump, check_va_list_escapes)
1631         (check_all_va_list_escapes): Likewise.
1632         * tree-ssa-loop-ivopts.c (determine_base_object)
1633         (determine_common_wider_type): Likewise.
1634         * dojump.c (do_jump): Likewise.
1635         * tree-ssa-sccvn.c (simplify_unary_expression): Likewise.
1636         * tree-gimple.c (is_gimple_cast): Likewise.
1637         * fold-const.c (decode_field_reference, )
1638         (fold_sign_changed_comparison, fold_unary, fold_comparison)
1639         (fold_binary): Likewise.
1640         * tree-ssa-alias-warnings.c (find_alias_site_helper)
1641         (already_warned_in_frontend_p): Likewise.
1642         * builtins.c (get_memory_rtx, fold_builtin_next_arg): Likewise.
1643         * tree.c (really_constant_p, get_unwidened): Likewise.
1644         * tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
1645         * tree-ssa-loop-im.c (rewrite_bittest): Likewise.
1646         * tree-vrp.c (register_edge_assert_for_2, register_edge_assert_for_1):
1647         Likewise.
1648         * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Use
1649         CONVERT_EXPR_P.
1650         (CONVERT_EXPR_P): Define.
1651         (CASE_CONVERT): Define.
1652
1653 2008-05-08  Kenneth Zadeck  <zadeck@naturalbridge.com>
1654
1655         PR middle-end/36117
1656         * dce.c (deletable_insn_p): Do not delete calls if df_in_progress.
1657         (delete_unmarked_insns): When deleting a call, call
1658         delete_unreachable_blocks.
1659         * rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
1660         RTL_CONST_OR_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P): Fixed doc.
1661
1662 2008-05-08  Richard Guenther  <rguenther@suse.de>
1663
1664         * doc/invoke.texi (-fdump-tree-salias): Remove documentation.
1665         (-ftree-salias): Likewise.
1666         (salias-max-implicit-fields): Remove param documentation.
1667         (salias-max-array-elements): Likewise.
1668         * tree-pass.h (pass_create_structure_vars): Remove.
1669         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): Remove.
1670         (SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
1671         * tree-ssa-alias.c (create_structure_vars): Remove.
1672         (gate_structure_vars): Likewise.
1673         (pass_create_structure_vars): Likewise.
1674         (gate_build_alias): Likewise.
1675         (pass_build_alias): Adjust to run always and dump the function.
1676         * common.opt (ftree-salias): Hide.
1677         * passes.c (init_optimization_passes): Remove
1678         pass_create_structure_vars, adjust comment.
1679         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): Remove.
1680         (PARAM_SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
1681         * opts.c (decode_options): Do not set flag_tree_salias.
1682         (common_handle_option): Add OPT_ftree_salias to the backward
1683         compatibility section.
1684
1685 2008-05-08  Richard Guenther  <rguenther@suse.de>
1686
1687         * tree-flow-inline.h (var_can_have_subvars): Move ...
1688         * tree-ssa-structalias.c (var_can_have_subvars): ... here.
1689         * tree-flow.h (var_can_have_subvars): Remove.
1690         (push_fields_onto_fieldstack): Remove.
1691         (sort_fieldstack): Likewise.
1692         (struct fieldoff): Move ...
1693         * tree-ssa-structalias.c (struct fieldoff): ... here.  Remove
1694         alias_set and base_for_components fields.
1695         (sort_fieldstack): Make static.
1696         (push_fields_onto_fieldstack): Likewise.  Remove code that
1697         handles anything but RECORD_TYPEs.  Remove alias_set and
1698         base_for_components handling.
1699         (create_variable_info_for): Adjust.
1700
1701 2008-05-08  Seongbae Park  <seongbae.park@gmail.com>
1702
1703         * common.opt (Wframe-larger-than=): Shorten the help message
1704         to one line.
1705         * doc/invoke.texi (Wframe-larger-than=): Add more description.
1706
1707 2008-05-08  Rafael Espindola  <espindola@google.com>
1708
1709         * tree-complex.c (expand_complex_div_wide): Don't create CONDs that
1710         trap.
1711         * tree-gimple.c (is_gimple_condexpr): Check that the expression doesn't
1712         trap and that both operands are gimple values.
1713         (canonicalize_cond_expr_cond): Use is_gimple_condexpr.
1714         * gcc/tree-eh.c (tree_could_trap_p): Correctly detect if a comparison
1715         is a fp operation.
1716
1717 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
1718
1719         * read-rtl.c (join_c_conditions): Return the first string if the
1720         two strings are equal.
1721
1722 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
1723
1724         * gensupport.h (pred_data): Add a "num_codes" field.
1725         (add_predicate_code): Declare.
1726         * gensupport.c (add_predicate_code): New function.
1727         (std_pred_table): Add an "allows_const_p" field.
1728         (std_preds): Set this field for predicates that allow RTX_CONST_OBJs.
1729         Remove the (incomplete) list of such codes from the codes field.
1730         (init_predicate_table): Use add_predicate_code.  Add all
1731         RTX_CONST_OBJs if allows_const_p is true.
1732         * genrecog.c (process_define_predicate): Use add_predicate_code.
1733
1734 2008-05-08  David Daney  <ddaney@avtrex.com>
1735             Richard Sandiford  <rsandifo@nildram.co.uk>
1736
1737         * config/mips/mips.md (mips_expand_compare_and_swap_12): Handle
1738         special case of constant zero operands.
1739         * config/mips/mips.c (mips_expand_compare_and_swap_12): Zero extend
1740         old and new values.  Special case constant zero values.
1741         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Skip 'sync' if compare
1742         fails.
1743         (MIPS_COMPARE_AND_SWAP_12): Handle constant zero operands.
1744         (MIPS_COMPARE_AND_SWAP_12_0): New macro.
1745
1746 2008-05-08  Paolo Bonzini  <bonzini@gnu.org>
1747
1748         PR target/36090
1749         * simplify-rtx.c (simplify_plus_minus): Create CONST of
1750         similar RTX_CONST_OBJ before CONST_INT.
1751
1752 2008-05-08  Steve Ellcey  <sje@cup.hp.com>
1753
1754         * stmt.c (expand_stack_restore): Change sa mode if needed.
1755
1756 2008-05-08  Richard Guenther  <rguenther@suse.de>
1757
1758         * config/i386/i386-protos.h (ix86_return_in_memory): Adjust
1759         return type to bool.
1760         (ix86_sol10_return_in_memory): Likewise.
1761         (ix86_i386elf_return_in_memory): Likewise.
1762         (ix86_i386interix_return_in_memory): Likewise.
1763         * config/i386/i386.c (ix86_return_in_memory): Likewise.
1764         (ix86_sol10_return_in_memory): Likewise.
1765         (ix86_i386elf_return_in_memory): Likewise.
1766         (ix86_i386interix_return_in_memory): Likewise.
1767
1768 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
1769
1770         PR bootstrap/36180
1771         * calls.c (compute_argument_block_size ): Add ATTRIBUTE_UNUSED to
1772         fndecl argument.
1773         (emit_library_call_value_1): Add ATTRIBUTE_UNUSED to variable fndecl.
1774         * target-def.h: Check that TARGET_RETURN_IN_MEMORY isn't
1775         declared in front.
1776
1777 2008-05-08  Richard Guenther  <rguenther@suse.de>
1778
1779         * tree-data-ref.c (dr_analyze_alias): Do not set DR_SUBVARS.
1780         * tree-data-ref.h (struct dr_alias): Remove subvars field.
1781         (DR_SUBVARS): Remove.
1782         * tree-dfa.c (dump_subvars_for): Remove.
1783         (debug_subvars_for): Likewise.
1784         (dump_variable): Do not dump subvars.
1785         (remove_referenced_var): Do not remove subvars.
1786         * tree-flow-inline.h (clear_call_clobbered): SFTs no longer exist.
1787         (lookup_subvars_for_var): Remove.
1788         (get_subvars_for_var): Likewise.
1789         (get_subvars_at): Likewise.
1790         (get_first_overlapping_subvar): Likewise.
1791         (overlap_subvar): Likewise.
1792         * tree-flow.h (subvar_t): Remove.
1793         (struct var_ann_d): Remove subvars field.
1794         * tree-ssa-alias.c (mark_aliases_call_clobbered): Remove queued
1795         argument.  Remove special handling of SFTs.
1796         (compute_tag_properties): Likewise.
1797         (set_initial_properties): Likewise.
1798         (compute_call_clobbered): Likewise.
1799         (count_mem_refs): Likewise.
1800         (compute_memory_partitions): Likewise.
1801         (compute_flow_insensitive_aliasing): Likewise.
1802         (setup_pointers_and_addressables): Likewise.
1803         (new_type_alias): Likewise.
1804         (struct used_part): Remove.
1805         (used_portions): Likewise.
1806         (struct used_part_map): Likewise.
1807         (used_part_map_eq): Likewise.
1808         (used_part_map_hash): Likewise.
1809         (free_used_part_map): Likewise.
1810         (up_lookup): Likewise.
1811         (up_insert): Likewise.
1812         (get_or_create_used_part_for): Likewise.
1813         (create_sft): Likewise.
1814         (create_overlap_variables_for): Likewise.
1815         (find_used_portions): Likewise.
1816         (create_structure_vars): Likewise.
1817         * tree.def (STRUCT_FIELD_TAG): Remove.
1818         * tree.h (MTAG_P): Adjust.
1819         (struct tree_memory_tag): Remove base_for_components and
1820         unpartitionable flags.
1821         (struct tree_struct_field_tag): Remove.
1822         (SFT_PARENT_VAR): Likewise.
1823         (SFT_OFFSET): Likewise.
1824         (SFT_SIZE): Likewise.
1825         (SFT_NONADDRESSABLE_P): Likewise.
1826         (SFT_ALIAS_SET): Likewise.
1827         (SFT_UNPARTITIONABLE_P): Likewise.
1828         (SFT_BASE_FOR_COMPONENTS_P): Likewise.
1829         (union tree_node): Remove sft field.
1830         * alias.c (get_alias_set): Remove special handling of SFTs.
1831         * print-tree.c (print_node): Remove handling of SFTs.
1832         * tree-dump.c (dequeue_and_dump): Likewise.
1833         * tree-into-ssa.c (mark_sym_for_renaming): Likewise.
1834         * tree-nrv.c (dest_safe_for_nrv_p): Remove special handling of SFTs.
1835         * tree-predcom.c (set_alias_info): Do not set subvars.
1836         * tree-pretty-print.c (dump_generic_node): Do not handle SFTs.
1837         * tree-ssa-loop-ivopts.c (get_ref_tag): Likewise.
1838         * tree-ssa-operands.c (access_can_touch_variable): Likewise.
1839         (add_vars_for_offset): Remove.
1840         (add_virtual_operand): Remove special handling of SFTs.
1841         (add_call_clobber_ops): Likewise.
1842         (add_call_read_ops): Likewise.
1843         (get_asm_expr_operands): Likewise.
1844         (get_modify_stmt_operands): Likewise.
1845         (get_expr_operands): Likewise.
1846         (add_to_addressable_set): Likewise.
1847         * tree-ssa.c (verify_ssa_name): Do not handle SFTs.
1848         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
1849         * tree-vect-transform.c (vect_create_data_ref_ptr): Do not set subvars.
1850         * tree.c (init_ttree): Remove STRUCT_FIELD_TAG initialization.
1851         (tree_code_size): Remove STRUCT_FIELD_TAG handling.
1852         (tree_node_structure): Likewise.
1853         * tree-ssa-structalias.c (set_uids_in_ptset): Remove special
1854         handling of SFTs.
1855         (find_what_p_points_to): Likewise.
1856
1857 2008-05-08  Sa Liu  <saliu@de.ibm.com>
1858
1859         * config/spu/spu.md: Fixed subti3 pattern.
1860
1861 2008-05-08  Richard Guenther  <rguenther@suse.de>
1862
1863         PR middle-end/36154
1864         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
1865         sure to create a representative for trailing arrays for PTA.
1866
1867 2008-05-08  Richard Guenther  <rguenther@suse.de>
1868
1869         PR middle-end/36172
1870         * fold-const.c (operand_equal_p): Two objects which types
1871         differ in pointerness are not equal.
1872
1873 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
1874
1875         * calls.c (compute_argument_block_size): Add argument tree fndecl.
1876         (OUTGOING_REG_PARM_STACK_SPACE): Add function type argument.
1877         (emit_library_call_value_1): Add new variable fndecl initialized by
1878         NULL_TREE. It should be the decl type of orgfun, but this information
1879         seems not to be available here, so it uses the default calling abi.
1880         * config/arm/arm.c (arm_return_in_memory): Add fntype argumen.
1881         * config/arm/arm.h (RETURN_IN_MEMORY): Replace RETURN_IN_MEMORY
1882         by TARGET_RETURN_IN_MEMORY.
1883         * config/i386/i386-interix.h: Likewise.
1884         * config/i386/i386.h: Likewise.
1885         * config/i386/i386elf.h: Likewise.
1886         * config/i386/ptx4-i.h: Likewise.
1887         * config/i386/sol2-10.h: Likewise.
1888         * config/i386/sysv4.h: Likewise.
1889         * config/i386/vx-common.h: Likewise.
1890         * config/cris/cris.h: Removed #if 0 clause.
1891         * config/arm/arm-protos.h (arm_return_in_memory): Add fntype argument.
1892         * config/i386/i386-protos.h (ix86_return_in_memory): Add fntype
1893         argument.
1894         (ix86_sol10_return_in_memory): Likewise.
1895         (ix86_i386elf_return_in_memory): New.
1896         (ix86_i386interix_return_in_memory): New.
1897         * config/mt/mt-protos.h (mt_return_in_memory): New.
1898         * config/mt/mt.c: Likewise.
1899         * config/mt/mt.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
1900         (RETURN_IN_MEMORY):  Replace by TARGET_RETURN_IN_MEMORY.
1901         * config/bfin/bfin.h: Likewise.
1902         * config/bfin/bfin-protos.h (bfin_return_in_memory): Add fntype
1903         argument.
1904         * config/bfin/bfin.c: Likewise.
1905         * config/pa/pa.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
1906         * config/alpha/unicosmk.h: Likewise.
1907         * config/i386/cygming.h: Likewise.
1908         * config/iq2000/iq2000.h: Likewise.
1909         * config/mips/mips.h: Likewise.
1910         * config/mn10300/mn10300.h: Likewise.
1911         * config/rs6000/rs6000.h: Likewise.
1912         * config/score/score.h: Likewise.
1913         * config/spu/spu.h: Likewise.
1914         * config/v850/v850.h: Likewise.
1915         * defaults.h: Likewise.
1916         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Adjust documentation.
1917         * expr.c (emit_block_move): Adjust use of
1918         OUTGOING_REG_PARM_STACK_SPACE.
1919         * function.c (STACK_DYNAMIC_OFFSET): Adjust use of
1920         OUTGOING_REG_PARM_STACK_SPACE.
1921         * targhooks.c (default_return_in_memory): Remove RETURN_IN_MEMORY.
1922
1923 2008-05-08  Jakub Jelinek  <jakub@redhat.com>
1924
1925         * tree-parloops.c (create_parallel_loop): Set OMP_RETURN_NOWAIT
1926         on OMP_RETURN for OMP_FOR.
1927
1928         PR debug/35896
1929         * dwarf2out.c (dw_expand_expr, common_check): Removed.
1930         (fortran_common): New function.
1931         (gen_variable_die): Call fortran_common instead of common_check,
1932         adjust for it returning tree instead of rtx.  Formatting.
1933
1934 2008-05-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
1935
1936         PR rtl/7335
1937         PR rtl/33826
1938         * see.c (see_copy_insn): Copy new pure const attributes for new call.
1939         * c-decl.c (merge_decls): Ditto.
1940         * postreload.c (record_opr_changes): Change CONST_OR_PURE_CALL_P
1941         to RTL_CONST_OR_PURE_CALL_P.
1942         * tree.c (define_local_buitin): Rename DECL_IS_PURE to DECL_PURE_P.
1943         Initialized DECL_LOOPING_CONST_PURE.
1944         (process_call_operands): Set tree_side_effects properly.
1945         * tree.h (TREE_READONLY_DECL_P): Removed.
1946         (DECL_IS_PURE): Renamed to DECL_PURE_P.
1947         (DECL_LOOPING_OR_CONST_P): New macro.
1948         (struct tree_function_decl): Added looping_const_or_pure_p.
1949         (ECF_*) Renumbered.
1950         (ECF_LOOPING_OR_CONST_P): New macro.
1951         * rtlanal.c (pure_const_p): Removed.
1952         * builtins.c (expand_builtin): Rename DECL_IS_PURE to DECL_PURE_P.
1953         * reorg.c (delete_prior_computation) Changed CONST_OR_PURE_CALL_P
1954         to RTL_CONST_CALL_P.
1955         * ipa-pure-const.c (pure_const_state_e): Added looping field.
1956         (check_decl, check_tree, check_call, scan_function): Initialize
1957         looping.
1958         (analyze_function): Rename DECL_IS_PURE to DECL_PURE_P.
1959         (static_execute): Set looping true for recursive functions.
1960         Undo setting state to IPA_NEITHER for recursive functions.
1961         * cse.c (cse_insn):
1962         * ifcvt.c (noce_can_store_speculate_p): Changed
1963         CONST_OR_PURE_CALL_P and pure_call_p to RTL_CONST_CALL_P or
1964         RTL_CONST_OR_PURE_CALL_P.
1965         * dse.c (scan_insn): Ditto.
1966         * local-alloc.c (validate_equiv_mem, memref_used_between_p): Ditto.
1967         * gcse.c (oprs_not_seen_p) Changed CONST_OR_PURE_CALL_P to
1968         RTL_CONST_OR_PURE_CALL_P.
1969         (store_killed_in_insn): Changed CONST_OR_PURE_CALL_P and
1970         pure_call_p to RTL_CONST_CALL_P.
1971         * gimplify.c (gimplify_call_expr): Clear side effects for
1972         non-looping pure and constant calls.
1973         * calls.c (emit_call_1): Set rtl flags from ecf flags.
1974         (flags_from_decl_or_type): Set ecf flags from decl flags.
1975         (initialize_argument_information): Turn off
1976         ECF_LOOPING_CONST_OR_PURE when turning off ECF_CONST.
1977         Change const to pure if callee_copies is true rather than just
1978         turning off const.
1979         (expand_call): Turn off ECF_LOOPING_PURE_CONST_CALL and remove old
1980         way of marking pure calls.
1981         (emit_library_call_value_1): Turn off ECF_LOOPING_PURE_CONST_CALL.
1982         Remove hack that was supposed to fix pr7335 and remove old
1983         way of marking pure calls.
1984         * emit-rtl.c (emit_copy_of_insn_after): Copy RTL_CONST_CALL_P,
1985         RTL_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P.
1986         * cselib.c (cselib_process_insn): Changed CONST_OR_PURE_CALL_P to
1987         RTL_CONST_OR_PURE_CALL_P.
1988         * tree-ssa-pre.c (can_value_number_call): Fixed spacing.
1989         * loop-invariant.c (find_exits, find_invariant_bb): Changed
1990         CONST_OR_PURE_CALL_P to RTL_CONST_OR_PURE_CALL_P.
1991         * sched-deps.c (schedule_analyze): Ditto.
1992         * rtl.h (struct rtx_def): Use call field, unchanging field, and
1993         return_val field of calls to represent pure and const function info.
1994         (CONST_OR_PURE_CALL_P): Deleted macro.
1995         (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
1996         RTL_LOOPING_CONST_OR_PURE_CALL_P, RTL_CONST_OR_PURE_P): New macros.
1997         * tree-inline.c (copy_body_r): Changed TREE_READONLY_DECL_P to
1998         TREE_READONLY.
1999         * tree-optimize.c (execute_fixup_cfg): Added test for
2000         ECF_LOOPING_CONST_OR_PURE.
2001         * c-common.c (handle_pure_attribute): Changed DECL_IS_PURE to
2002         DECL_PURE_P.
2003         * tree-cfg.c (update_call_expr_flags): Do not clear tree side
2004         effects for looping pure or const calls.
2005         (verify_gimple_expr): Added verification code.
2006         * config/alpha/alpha.c (alpha_legitimize_address,
2007         alpha_emit_xfloating_libcall): Changed CONST_OR_PURE_CALL_P to
2008         RTL_CONST_CALL_P.
2009         * config/s390/s390.c (s390_emit_tls_call_insn): Ditto.
2010         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Ditto.
2011         * config/mips/mips.c (mips_call_tls_get_addr): Ditto.
2012         * cfgrtl.c (need_fake_edge_p): Changed CONST_OR_PURE_CALL_P to
2013         RTL_CONST_OR_PURE_CALL_P.
2014         * dce.c (deletable_insn_p): Allow non looping, non sibling, pure
2015         and const calls to be deleted.
2016
2017 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
2018
2019         PR target/35714
2020         * config/i386/mmx.md (mmx_subv2sf3): New expander.
2021         (*mmx_subv2sf3): Rename from mmx_subv2sf3 insn pattern.
2022         (*mmx_eqv2sf3): Rename from mmx_eqv2sf3 insn pattern.
2023         (mmx_eqv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
2024         to handle nonimmediate operands.
2025         (*mmx_paddwd): Rename from mmx_paddwd insn pattern.
2026         (mmx_paddwd): New expander.  Use ix86_fixup_binary_operands_no_copy
2027         to handle nonimmediate operands.
2028         (*mmx_pmulhrwv4hi3): Rename from mmx_pmulhrwv4hi3 insn pattern.
2029         (mmx_pmulhrwv4hi3): New expander.  Use
2030         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2031         (*sse2_umulv1siv1di3): Rename from sse2_umulv1siv1di3 insn pattern.
2032         (sse2_umulv1siv1di3): New expander.  Use
2033         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2034         (*mmx_eq<mode>3): Rename from mmx_eq<mode>3 insn pattern.
2035         (mmx_eq<mode>3): New expander.  Use
2036         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2037         (*mmx_uavgv8qi3): Rename from mmx_uavgv8qi3 insn pattern.
2038         (mmx_uavgv8qi3): New expander.  Use
2039         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2040         (*mmx_uavgv4hi3): Rename from mmx_uavgv4hi3 insn pattern.
2041         (mmx_uavgv4hi3): New expander.  Use
2042         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2043
2044         * config/i386/sse.md
2045         (sse_movhlps_exp): New expander.  Use ix86_fixup_binary_operands
2046         to handle nonimmediate operands.
2047         (sse_movlhps_exp): New expander.  Use ix86_fixup_binary_operands
2048         to handle nonimmediate operands.
2049         (sse_loadhps_exp): New expander.  Use ix86_fixup_binary_operands
2050         to handle nonimmediate operands.
2051         (sse_loadlps_exp): New expander.  Use ix86_fixup_binary_operands
2052         to handle nonimmediate operands.
2053         (sse2_unpckhpd_exp): New expander.  Use
2054         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2055         (sse2_unpcklpd_exp): New expander.  Use
2056         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2057         (sse_loadhpd_exp): New expander.  Use ix86_fixup_binary_operands
2058         to handle nonimmediate operands.
2059         (sse_loadlpd): New expander.  Use ix86_fixup_binary_operands
2060         to handle nonimmediate operands.
2061         (*sse2_<plusminus_insn><mode>3): Rename from
2062         sse2_<plusminus_insn><mode>3 insn pattern.
2063         (sse2_<plusminus_insn><mode>3): New expander.  Use
2064         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2065         (*sse2_umulv2siv2di3): Rename from sse2_umulv2siv2di3 insn pattern.
2066         (sse2_umulv2siv2di3): New expander.  Use
2067         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2068         (*sse4_1_mulv2siv2di3): Rename from sse4_1_mulv2siv2di3 insn pattern.
2069         (sse4_1_mulv2siv2di3): New expander.  Use
2070         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2071         (*sse2_pmaddwd): Rename from sse2_pmaddwd insn pattern.
2072         (sse2_pmaddwd): New expander.  Use
2073         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2074         (*sse2_eq<mode>3): Rename from sse2_eq<mode>3 insn pattern.
2075         (sse2_eq<mode>3): New expander.  Use
2076         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2077         (*sse4_1_eqv2di3): Rename from sse4_1_eqv2di3 insn pattern.
2078         (sse4_1_eqv2di3): New expander.  Use
2079         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2080         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
2081         (sse2_uavgv16qi3): New expander.  Use
2082         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2083         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
2084         (sse2_uavgv16qi3): New expander.  Use
2085         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2086         (*sse2_uavgv8hi3): Rename from sse2_uavgv8hi3 insn pattern.
2087         (sse2_uavgv8hi3): New expander.  Use
2088         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2089         (*ssse3_pmulhrswv8hi3): Rename from ssse3_pmulhrswv8hi3 insn pattern.
2090         (ssse3_pmulhrswv8hi3): New expander.  Use
2091         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2092         (*ssse3_pmulhrswv4hi3): Rename from ssse3_pmulhrswv4hi3 insn pattern.
2093         (ssse3_pmulhrswv4hi3): New expander.  Use
2094         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2095
2096         (<sse>_vm<plusminus_insn><mode>3): Do not use ix86_binary_operator_ok.
2097         (<sse>_vmmul<mode>3): Ditto.
2098         (divv4sf3): Do not use ix86_fixup_binary_operands_no_copy.
2099         (divv2df3): Ditto.
2100         (ssse3_pmaddubsw128): Use register_operand for operand 1.
2101         (ssse3_pmaddubsw): Ditto.
2102
2103         * config/i386/i386.c (struct_builtin_description)
2104         [IX86_BUILTIN_LOADHPS]: Use CODE_FOR_sse_loadhps_exp.
2105         [IX86_BUILTIN_STOREHPS]: Use CODE_FOR_sse_loadlps_exp.
2106         [IX86_BUILTIN_LOADHPD]: Use CODE_FOR_sse2_loadhpd_exp.
2107         [IX86_BUILTIN_LOADLPD]: Use CODE_FOR_sse2_loadlpd_exp.
2108         [IX86_BUILTIN_MOVHLPS]: Use CODE_FOR_sse_movhlps_exp.
2109         [IX86_BUILTIN_MOVLHPS]: Use CODE_FOR_sse_movlhps_exp.
2110         [IX86_BUILTIN_UNPCKHPD]: Use FOR_sse2_unpckhpd_exp.
2111         [IX86_BUILTIN_UNPCKLPD]: Use FOR_sse2_unpcklpd_exp.
2112         (ix86_fixup_binary_operands): Assert that src1
2113         and src2 must have the same mode when swapped.
2114         (ix86_expand_binop_builtin): Do not use ix86_fixup_binary_operands
2115         and ix86_binary_operator_ok.  Do not force operands in registers
2116         when optimizing.
2117
2118 2008-05-07  Jan Hubicka  <jh@suse.cz>
2119
2120         * cgraph.c (dump_cgraph_node): Update.
2121         * cgraph.h (cgraph_local_info): Break out inline summary.
2122         * cgraphunit.c (cgraph_process_new_functions): Use inliner analysis
2123         hook.
2124         * ipa-inline (inline_summary): New accestor function.
2125         (cgraph_clone_inlined_nodes, cgraph_check_inline_limits,
2126         cgraph_decide_inlining, compute_inline_parameters): Update.
2127         * ipa.c (cgraph_remove_unreachable_nodes): Remove statistics.
2128
2129 2008-05-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
2130
2131         Cleanup ColdFire scheduling support and add V4 pipeline model.
2132
2133         * config/m68k/m68k.md (UNSPEC_TIE): New constant.
2134         (define_attr cpu): Add cfv4 value.
2135         (define_attr type, define_attr type1): Merge into a single 'type'
2136         attribute.  Update all uses.
2137         (define_attr opx_type, define_attr opy_type, define_attr opx_access):
2138         Rearrange and update.  Rename value 'reg' to 'Rn', add value 'FPn'.
2139         Update all uses.
2140         (define_attr opx_mem, define_attr opy_mem): Remove.
2141         (define_attr op_mem): Clean up, update comment.
2142         (define_attr size): Use specific values instead of general int.
2143         (define_attr guess, define_attr split): Remove.  Update all uses.
2144         (movdf_internal, tstsi_internal, tsthi_internal, tstqi_internal,
2145         tst<mode>_68881, pushexthisi_const, movsi_const0_68000_10,
2146         movsi_const0_68040_60, movsi_const0, movsi_cf, movstrictqi_cf,
2147         zero_extendhisi2_cf, zero_extendqisi2_cfv4, cfv4_extendhisi2,
2148         68k_extendhisi2, extendqihi2, cfv4_extendqisi2, 68k_extendqisi2,
2149         floatsi<mode>2_68881, ftrunc<mode>2_68881, ftrunc<mode>2_cf,
2150         fix<mode>qi2_68881, fix<mode>hi2_68881, fix<mode>si2_68881,
2151         adddi_dishl32, addsi3_5200, add<mode>3_floatsi_68881,
2152         add<mode>3_floathi_68881, add<mode>3_floatqi_68881,
2153         add<mode>3_68881, add<mode>3_cf, subdi_dishl32, subsi3,
2154         sub<mode>3_floatsi_68881, sub<mode>3_floathi_68881,
2155         sub<mode>3_floatqi_68881, sub<mode>3_68881, sub<mode>3_cf,
2156         mulhi3, mulhisi3, mulhisisi3_s, mulsi3_68020, mulsi3_cf,
2157         umulhisi3, mulhisisi3_z, mul<mode>3_floatsi_68881,
2158         mul<mode>3_floathi_68881, mul<mode>3_floatqi_68881, fmul<mode>3_cf,
2159         div<mode>3_cf, sqrt<mode>2_cf, abs<mode>2_cf, clzsi2,
2160         one_cmplsi2_5200, subreghi1ashrdi_const32, ashrsi3, lshrsi3,
2161         bsetmemqi, bsetmemqi_ext, bclrmemqi, bclrmemqi_ext,
2162         beq, bne, bgt, blt, bordered, bunordered, buneq, bunge, bungt, bunle,
2163         bunlt, bltgt, tablejump_internal, call, non_symbolic_call_value,
2164         symbolic_call_value_jsr, symbolic_call_value_bsr, link):
2165         Update or set attributes.
2166         (stack_tie): New fake instruction.
2167
2168         * config/m68k/m68k.h (TUNE_CFV4): New macro.
2169         (m68k_sched_attr_size): Update declaration.
2170         (m68k_sched_attr_type2): Remove.
2171         (m68k_sched_address_bypass_p, m68k_sched_indexed_address_bypass_p):
2172         Declare new bypass predicates.
2173
2174         * config/m68k/m68k.c (m68k_sched_issue_rate,
2175         m68k_sched_first_cycle_multipass_dfa_lookahead): Declare hook
2176         implementations.
2177         (TARGET_SCHED_ISSUE_RATE,
2178         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Override hooks.
2179         (override_options): Handle scheduling for ColdFire V4 core.
2180         (m68k_expand_prologue): Emit stack_tie.
2181         (enum attr_op_type): Split value 'OP_TYPE_REG' to 'OP_TYPE_RN' and
2182         'OP_TYPE_FPN'.  Update all uses.
2183         (sched_guess_p): Remove.
2184         (sched_address_type): Handle symbolic addresses.
2185         (sched_get_operand): New static function.
2186         (sched_operand_type): Merge into sched_attr_op_type.
2187         (sched_attr_op_type): Handle FP registers, handle quick constants,
2188         update.
2189         (m68k_sched_attr_opx_type, m68k_sched_attr_opy_type): Update.
2190         (m68k_sched_attr_size): Update.  Move logic to ...
2191         (sched_get_attr_size_int): New static function.
2192         (sched_get_opxy_mem_type): New static function.
2193         (m68k_sched_attr_op_mem): Update.
2194         (m68k_sched_attr_type2): Remove.
2195         (sched_cfv4_bypass_data): New static variable.
2196         (m68k_sched_adjust_cost): Handle ColdFire V4 bypass.
2197         (m68k_sched_issue_rate): Implement scheduler hook.
2198         (struct _sched_ib: enabled_p): New field.
2199         (m68k_sched_variable_issue): Update.  Handle V4.
2200         (SCHED_DUMP_TODO, SCHED_DUMP_DONE, SCHED_DUMP_NOTHING,
2201         sched_dump_class_func_t, sched_dump_split_class,
2202         sched_dump_dfa_guess_unit_code, sched_dump_dfa_state,
2203         sched_dump_dfa_class, m68k_sched_dump): Remove.
2204         (m68k_sched_first_cycle_multipass_dfa_lookahead): Implement scheduler
2205         hook.
2206         (m68k_sched_init_global): Remove statisctics dumping, introduce
2207         sanity check that all instructions have pipeline reservations.  Handle
2208         ColdFire V4 core.
2209         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
2210         Handle ColdFire V4 core.
2211         (sched_mem_operand_p, sched_get_reg_operand, sched_get_mem_operand):
2212         New static functions.
2213         (m68k_sched_address_bypass_p): New bypass predicate.
2214         (sched_get_indexed_address_scale): New static function.
2215         (m68k_sched_indexed_address_bypass_p): New bypass predicate.
2216
2217         * cf.md: Update comments.
2218         (define_attr type2): Remove.  Use 'type' attribute instead.
2219         Update all uses.
2220         (cf_ib): Rename to cfv123_ib.  Update all uses.
2221         (cf_oep): Rename to cfv123_oep.  Update all uses.
2222         (cf_chr): Rename to cfv123_chr.  Update all uses.
2223         (cf_mem): Rename to cfv123_mem.  Update all uses.
2224         (cf_mac): Move to more appropriate place.
2225         (cfv123_guess): New automaton and cpu_unit.
2226         (cfv123_*, cfv12_*, cfv1_*, cfv2_*, cfv3_*): Use type attribute.
2227         Update uses of 'size' attribute.  Handle before reload scheduling.
2228         (cfv123_guess): New dummy reservation for unhandled instructions.
2229         (cfv4_*): Pipeline description of ColdFire V4 core.
2230         (ignore): New reservation to handle 'ignore' type.
2231
2232 2008-05-07  Ian Lance Taylor  <iant@google.com>
2233
2234         PR middle-end/36013
2235         * gimplify.c (find_single_pointer_decl_1): Don't look through
2236         indirections.
2237         (find_single_pointer_decl): Adjust comments.
2238
2239 2008-05-07  Jakub Jelinek  <jakub@redhat.com>
2240
2241         PR middle-end/36137
2242         * fold-const.c (fold_binary): Use STRIP_SIGN_NOPS instead of
2243         STRIP_NOPS on arguments even for MIN_EXPR and MAX_EXPR.
2244
2245         PR middle-end/36106
2246         * omp-low.c (expand_omp_atomic_pipeline): Load value using the
2247         integral type rather than floating point, then VIEW_CONVERT_EXPR
2248         to the floating point type.
2249
2250 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
2251
2252         * config/i386/i386.c (ix86_expand_copysign): Force non-zero constant
2253         TFmode op0 to register.
2254
2255 2008-05-07  Alan Modra  <amodra@bigpond.net.au>
2256
2257         * c-decl.c (grokdeclarator): Comment typo.
2258
2259 2008-05-06  Aldy Hernandez  <aldyh@redhat.com>
2260
2261         * tree-flow.h: Remove prototype for computed_goto_p.
2262         * tree-cfg.c (computed_goto_p): Make static.
2263
2264 2008-05-06  H.J. Lu  <hongjiu.lu@intel.com>
2265
2266         PR target/35657
2267         * config/i386/i386.c (contains_128bit_aligned_vector_p): Renamed to ...
2268         (contains_aligned_value_p): This.  Handle _Decimal128.
2269         (ix86_function_arg_boundary): Only align _Decimal128 to its
2270         natural boundary and handle it properly.
2271
2272 2008-05-06  Martin Jambor  <mjambor@suse.cz>
2273
2274         * ipa-cp.c (ipcp_method_orig_node): Renamed to ipcp_get_orig_node.
2275         (ipcp_method_is_cloned): Renamed to ipcp_node_is_clone
2276         (ipcp_method_set_orig_node): Removed.
2277         (ipcp_cval_get_cvalue_type): Removed.
2278         (ipcp_method_get_scale): Renamed to ipcp_get_node_scale.
2279         (ipcp_method_set_scale): Renamed to ipcp_set_node_scale.
2280         (ipcp_cval_set_cvalue_type): Removed.
2281         (ipcp_cval_get_cvalue): Removed.
2282         (ipcp_cval_set_cvalue): Removed.
2283         (ipcp_type_is_const): Renamed to ipcp_lat_is_const.
2284         (ipcp_cval_equal_cvalues): Renamed to ipcp_lats_are_equal
2285         (ipcp_lats_are_equal): Changed parameters to two ipcp_lattice's
2286         (ipcp_cval_meet): Renamed to ipa_lattice_meet
2287         (ipcp_cval_changed): Changed to use ipcp_lat_is_const
2288         (ipcp_method_cval): Renamed to ipcp_get_ith_lattice
2289         (ipcp_get_ith_lattice): Changed parameters.
2290         (ipcp_cval_compute): Renamed to ipcp_lattice_from_jfunc
2291         (ipcp_lattice_from_jfunc): Changed parameters.
2292         (ipcp_redirect): Local lattice pointer instead of lattice type variable.
2293         (ipcp_method_cval_print): Added temporary variable info.
2294         (ipcp_redirect): Removed already unused local variable caller.
2295         (ipcp_redirect): New temporary variable orig_callee_info
2296         (ipcp_redirect): Removed newly unused local variable callee.
2297         (ipcp_redirect): Removed (a bit confusing) local variable type.
2298         (ipcp_insert_stage): Added local variable info.
2299         (ipcp_cval_changed): Renamed to ipcp_lattice_changed, parameters
2300         renamed too
2301         (ipcp_formal_create): Removed.
2302         (ipcp_method_cval_set): Removed.
2303         (ipcp_propagate_stage): Renamed lattice variables.
2304         (ipcp_method_cval_set_cvalue_type): Removed.
2305         (ipcp_method_cval_print): Renamed to ipcp_print_all_lattices
2306         (ipcp_print_all_lattices): Changed printed strings to refer to
2307         lattices rather than cvals.
2308         (ipcp_method_cval_init): Renamed to ipcp_initialize_node_lattices
2309         (ipcp_propagate_const): Changed formal parameters.
2310         (build_const_val): Changed formal parameters.
2311         (ipcp_insert_stage): Removed useless variable cvalue
2312         (build_const_val): Changed formal parameters.
2313         (ipcp_method_compute_scale): Renamed to ipcp_compute_node_scale
2314         (ipcp_after_propagate): Renamed to ipcp_change_tops_to_bottom
2315         (ipcp_callsite_param_print): Renamed to ipcp_print_all_jump_functions
2316         (ipcp_profile_mt_count_print): Renamed to ipcp_print_func_profile_counts
2317         (ipcp_print_func_profile_counts): Changed string from "method" to
2318         "function"
2319         (ipcp_profile_cs_count_print): Renamed to ipcp_print_call_profile_counts
2320         (ipcp_profile_edge_print): Renamed to ipcp_print_edge_profiles
2321         (ipcp_profile_bb_print): Renamed to ipcp_print_bb_profiles
2322         (ipcp_structures_print): Renamed to ipcp_print_all_structures
2323         (ipcp_profile_print): Renamed to ipcp_print_profile_data
2324         (ipcp_lat_is_const): Changed parameters and made inline.
2325         (ipcp_replace_map_create): Renamed to ipcp_create_replace_map
2326         (ipcp_redirect): Renamed to ipcp_need_redirect_p
2327         (ipcp_need_redirect_p): Calls ipcp_lat_is_const instead of using
2328         the predicate condition directly
2329         (ipcp_propagate_stage): Added local variable args. Removed local
2330         variable callee.  (Both are mere code simplifications.)
2331         (ipcp_method_dont_insert_const): Renamed to
2332         ipcp_node_not_modifiable_p.
2333         (ipcp_node_not_modifiable_p): Made inline.
2334         (ipcp_cloned_create): Renamed to ipcp_init_cloned_node
2335         (ipcp_propagate_const): Renamed to ipcp_propagate_one_const
2336         (ipcp_print_all_lattices): Removed variable cvalue
2337         (ipcp_method_scale_print): Renamed to ipcp_function_scale_print
2338         Updated comments.
2339
2340 2008-05-06  Olivier Hainque  <hainque@adacore.com>
2341
2342         * tree-sra.c (try_instantiate_multiple_fields): Early return
2343         if field has POINTER_TYPE.
2344
2345 2008-05-06  Kai Tietz  <kai.tietz@onevision.com>
2346
2347         * config/i386/i386.c (output_set_got): Fix for x86_64 output_emit_asm
2348         by using 'q' specifier for instruction.
2349         (ix86_file_end): Replaced case TARGET_64BIT_MS_ABI by TARGET_64BIT.
2350
2351 2008-05-06  Anatoly Sokolov <aesok@post.ru>
2352
2353         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
2354         Change mode of zero_extract from QImode to HImode.
2355         (sign bit tests peepholes): (Ditto.).
2356
2357 2008-05-06  Uros Bizjak  <ubizjak@gmail.com>
2358
2359         * config/i386/mmx.md: Remove double backslashes from asm templates.
2360         (*mmx_addv2sf3): Rename from mmx_addv2sf3 insn pattern.
2361         (mmx_addv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
2362         to handle nonimmediate operands.
2363         (*mmx_mulv2sf3): Rename from mmx_mulv2sf3 insn pattern.
2364         (mmx_mulv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
2365         to handle nonimmediate operands.
2366         (*mmx_<code>v2sf3_finite): New insn pattern.
2367         (*mmx_<code>v2sf3): Rename from mmx_<code>v2sf3 insn pattern.
2368         (mmx_<code>v2sf3): New expander.  Use
2369         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2370         (mmx_<plusminus_insn><mode>3): New expander.  Use
2371         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2372         (*mmx_<plusminus_insn><mode>3): New insn pattern.
2373         (mmx_add<mode>3): Removed.
2374         (mmx_ssadd<mode>3): Ditto.
2375         (mmx_usadd<mode>3): Ditto.
2376         (mmx_sub<mode>3): Ditto.
2377         (mmx_sssub<mode>3): Ditto.
2378         (mmx_ussub<mode>3): Ditto.
2379         (*mmx_mulv4hi3): Rename from mmx_mulv4hi3 insn pattern.
2380         (mmx_mulv4hi3): New expander.  Use ix86_fixup_binary_operands_no_copy
2381         to handle nonimmediate operands.
2382         (*mmx_smulv4hi3_highpart): Rename from mmx_smulv4hi3_highpart
2383         insn pattern.
2384         (mmx_smulv4hi3_highpart): New expander.  Use
2385         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2386         (*mmx_umulv4hi3_highpart): Rename from mmx_umulv4hi3_highpart
2387         insn pattern.
2388         (mmx_umulv4hi3_highpart): New expander.  Use
2389         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2390         (*mmx_<code>v4hi3): Rename from mmx_<code>v4hi3 insn pattern.
2391         (mmx_<code>v4hi3): New expander.  Use
2392         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2393         (*mmx_<code>v8qi3): Rename from mmx_<code>v8qi3 insn pattern.
2394         (mmx_<code>v8qi3): New expander.  Use
2395         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2396         (*mmx_<code><mode>3): Rename from mmx_<code><mode>3 insn pattern.
2397         (mmx_<code><mode>3): New expander.  Use
2398         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2399
2400 2008-05-05  Jan Hubicka  <jh@suse.cz>
2401
2402         PR tree-optimization/36118
2403         * passes.c (pass_init_dump_file): Fix dump header.
2404
2405 2008-05-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2406
2407         PR middle-end/36141
2408         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Don't create
2409         VCE for function decls.
2410
2411 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
2412
2413         * config/i386/sse.md (sse2_<plusminus_insn><mode>3): Fix a typo.
2414
2415 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
2416
2417         * config/i386/i386.md (sat_plusminus): New.
2418         (plusminus_insn): Likewise.
2419         (plusminus_mnemonic): Likewise.
2420         (addsub): Removed.
2421         (comm): Add ss_plus, us_plus, ss_minus and us_minus.
2422         (*<addsub><mode>3_cc_overflow): Renamed to ...
2423         (*<plusminus_insn><mode>3_cc_overflow): This.
2424         (*<addsub>si3_zext_cc_overflow): Renamed to ...
2425         (*<plusminus_insn>si3_zext_cc_overflow): This.
2426
2427         * config/i386/sse.md (<addsub><mode>3): Renamed to ...
2428         (<plusminus_insn><mode>3): This.
2429         (*<addsub><mode>3): Renamed to ...
2430         (*<plusminus_insn><mode>3): This.
2431         (<sse>_vm<addsub><mode>3): Renamed to ...
2432         (<sse>_vm<plusminus_insn><mode>3): This.
2433         (sse3_h<addsub>v4sf3): Renamed to ...
2434         (sse3_h<plusminus_insn>v4sf3): This.
2435         (sse3_h<addsub>v2df3): Renamed to ...
2436         (sse3_h<plusminus_insn>v2df3): This.
2437         (<plusminus_insn><mode>3): New.
2438         (*<plusminus_insn><mode>3): Likewise.
2439         (sse2_<plusminus_insn><mode>3): Likewise.
2440         (add<mode>): Removed.
2441         (*add<mode>3): Likewise.
2442         (sse2_ssadd<mode>3): Likewise.
2443         (sse2_usadd<mode>3): Likewise.
2444         (sub<mode>3): Likewise.
2445         (*sub<mode>3): Likewise.
2446         (sse2_sssub<mode>3): Likewise.
2447         (sse2_ussub<mode>3): Likewise.
2448
2449 2008-05-05  Benjamin Kosnik  <bkoz@redhat.com>
2450
2451         * gthr-single.h: Add in required interface elements as per gthr.h.
2452         Add stub types for __gthread_key_t, __gthread_once_t. Add defines
2453         for __GTHREAD_ONCE_INIT, __GTHREAD_RECURSIVE_MUTEX_INIT.
2454         Generalize UNUSED macro.
2455         (__gthread_once): Add.
2456         (__gthread_key_create): Add.
2457         (__gthread_key_delete): Add.
2458         (__gthread_getspecific): Add.
2459         (__gthread_setspecific): Add.
2460
2461 2008-05-05  Andrew Pinski  <Andrew.Pinski@playstation.sony.com>
2462
2463         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): If we have
2464         the same size types for the indirect reference on the rhs, then
2465         create a VCE.
2466
2467 2008-05-05  Uros Bizjak  <ubizjak@gmail.com>
2468
2469         * config/i386/i386.md
2470         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Use only
2471         one insn template instead of template series.
2472         (*xordi_1_rex64): Ditto.
2473         (*xordi_2_rex64): Ditto.
2474
2475 2008-05-05  Ira Rosen  <irar@il.ibm.com>
2476
2477         PR tree-optimization/36119
2478         * tree-vect-transform.c (vectorizable_assignment): Set NCOPIES to 1
2479         in case of SLP.
2480
2481 2008-06-04  Jan Hubicka  <jh@suse.cz>
2482
2483         tree-optimization/36100
2484         * tree-pass.h (pass_O0_always_inline): Declare.
2485         * ipa-inline.c (inline_transform): Remove dead code.
2486         (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
2487         pass_O0_always_inline): New.
2488         * passes.c (init_optimization_passes): Add pass_O0_always_inline.
2489
2490 2008-05-04  Kai Tietz  <kai.tietz@onevision.com>
2491
2492         * config/i386/i386.c (x86_output_mi_thunk): Use movq alternative
2493         mnemonic in this_param move for TARGET_64BIT.
2494
2495 2008-05-04  Uros Bizjak  <ubizjak@gmail.com>
2496
2497         * config/i386/i386.md (*strmovsi_1): Simplify asm alternatives.
2498         (*strmovsi_rex_1): Ditto.
2499         (*strsetsi_1): Ditto.
2500         (*strsetsi_rex_1): Ditto.
2501
2502         (add<mode>cc): Macroize expander from addqicc, addhicc, addsicc and
2503         adddicc expanders using SWI mode iterator.
2504
2505 2008-05-04  H.J. Lu  <hongjiu.lu@intel.com>
2506
2507         PR target/36121
2508         * config/i386/i386.c (ix86_expand_special_args_builtin): Remove three
2509         argument handling.
2510
2511 2008-05-04  David S. Miller  <davem@davemloft.net>
2512
2513         * config.gcc (sparc*-*-*): Always set need_64bit_hwint to yes.
2514         (sparc*-*-linux*): Use linux.h in tm_file.
2515         (sparc-*-linux*): If 'enabled_targets' is 'all', build a bi-arch
2516         compiler defaulting to 32-bit.
2517         (sparc*-*-*): Remove explicit target settings of need_64bit_hwint,
2518         no longer needed.
2519         * config/sparc/linux.h: Remove definitions now obtained
2520         properly from linux.h
2521         * config/sparc/linux64.h: Likewise.
2522         (ASM_CPU_DEFAULT_SPEC): Change this to ASM_CPU64_DEFAULT_SPEC, we
2523         don't want this setting for 32-bit builds in a biarch compiler.
2524         * doc/install.texi: Add sparc-linux to list of targets
2525         supporting --enable-targets=all.
2526
2527 2008-05-03  Andrew Pinski  <pinskia@gmail.com>
2528
2529         * Makefile.in (tree-ssa-phiprop.o): Fix dependencies.
2530
2531 2008-05-03  H.J. Lu  <hongjiu.lu@intel.com>
2532
2533         * config/i386/i386.c (ix86_builtin_type): Move V4SI_FTYPE_V4SF
2534         after V4SI_FTYPE_V8HI.
2535         (ix86_init_mmx_sse_builtins): Move case V4HI_FTYPE_V4HI after
2536         case V4SI_FTYPE_V2DF.
2537
2538 2008-05-03  Kenneth Zadeck  <zadeck@naturalbridge.com>
2539
2540         * doc/invoke.texi (max-flow-memory-locations): Removed.
2541         * params.def (PARAM_MAX_FLOW_MEMORY_LOCATIONS): Removed.
2542
2543 2008-05-03  Richard Guenther  <rguenther@suse.de>
2544
2545         PR middle-end/34973
2546         * opts.c (set_Wstrict_aliasing): Handle the turn-off case.
2547
2548 2008-05-02  David S. Miller  <davem@davemloft.net>
2549
2550         * config.gcc (need_64bit_hwint): Document libcpp dependency.
2551
2552 2008-05-02  Simon Baldwin <simonb@google.com>
2553
2554         PR bootstrap/36108
2555         * c-common.h (warn_array_subscript_range): Removed.
2556         * c-common.c (warn_array_subscript_range): Ditto.
2557         * tree-vrp.c (check_array_ref): Revert to ignoring arrays with size 2.
2558         * c-typeck.c (build_array_ref): Remove warn_array_subscript_range.
2559
2560 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
2561
2562         * config/i386/i386.c (ix86_special_builtin_type): New.
2563         (bdesc_special_args): Likewise.
2564         (ix86_expand_special_args_builtin): Likewise.
2565         (ix86_init_mmx_sse_builtins): Updated.
2566         (ix86_expand_builtin): Updated.
2567         (ix86_expand_store_builtin): Removed.
2568         (ix86_expand_unop_builtin): Likewise.
2569
2570         * config/i386/mm3dnow.h (__v2sf): Moved to ...
2571         * config/i386/mmintrin.h (__v2sf): Here.
2572
2573         * config/i386/xmmintrin.h (_mm_loadh_pi): Replace __v2si with
2574         const __v2sf.
2575         (_mm_loadl_pi): Likewise.
2576         (_mm_storeh_pi): Replace __v2si with __v2sf.
2577         (_mm_storel_pi): Likewise.
2578
2579         * doc/extend.texi: Correct __builtin_ia32_loadhps,
2580         __builtin_ia32_loadlps, __builtin_ia32_storehps,
2581         __builtin_ia32_storelps, __builtin_ia32_loadhpd and
2582         __builtin_ia32_loadlpd.
2583
2584 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
2585
2586         * config/i386/i386.c (ix86_builtin_type): Add FLOAT_FTYPE_FLOAT,
2587         V4SF_FTYPE_V4SF_VEC_MERGE and V2DF_FTYPE_V2DF_VEC_MERGE.
2588         (bdesc_args): Updated.  Add scalar SSE builtins with vec_merge.
2589         (ix86_init_mmx_sse_builtins): Updated.
2590         (ix86_expand_args_builtin): Likewise.
2591         (ix86_expand_builtin): Likewise.
2592         (ix86_expand_unop1_builtin): Renamed to ...
2593         (ix86_expand_unop_vec_merge_builtin): This.
2594
2595 2008-05-01  Jan Hubicka  <jh@suse.cz>
2596
2597         PR bootstrap/36100
2598         * ipa-inline.c (inline_generate_summary): Make static.
2599         (inline_transform): Do not call inlining at -O0; make static.
2600         * passes.c (execute_todo): Add sanity check.
2601         (execute_one_ipa_transform_pass): Execute proper flags.
2602
2603 2008-05-01  Eric Botcazou  <ebotcazou@adacore.com>
2604
2605         * tree.h (TYPE_NONALIASED_COMPONENT): Expand comment.
2606         (DECL_NONADDRESSABLE_P): Likewise.
2607         * alias.c (record_component_aliases): Fix comment.
2608
2609 2008-05-01  Simon Baldwin <simonb@google.com>
2610
2611         * c-common.h (warn_array_subscript_range): New function.
2612         * c-common.c (warn_array_subscript_range): Ditto.
2613         * tree-vrp.c (check_array_ref): Corrected code to agree with
2614         comment, ignoring only arrays of size 0 or size 1.
2615         * c-typeck.c (build_array_ref): Call warn_array_subscript_range.
2616
2617 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
2618
2619         * config/i386/i386.c (ix86_builtin_type): Replace
2620         DI_FTYPE_DI_DI_INT with V1DI2DI_FTYPE_V1DI_V1DI_INT.
2621         (bdesc_args): Updated.
2622         (ix86_init_mmx_sse_builtins): Likewise.
2623         (ix86_expand_args_builtin): Likewise.
2624
2625         * config/i386/tmmintrin.h (_mm_alignr_pi8): Replace long long
2626         with __v1di.
2627
2628         * doc/extend.texi: Correct __builtin_ia32_palignr.
2629
2630 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
2631
2632         PR target/36095
2633         * config/i386/i386.c (bdesc_crc32): Removed.
2634         (ix86_expand_crc32): Likewise.
2635         (ix86_builtin_type): Replace V2DI2TI_FTYPE_V2DI2TI_INT with
2636         V2DI2TI_FTYPE_V2DI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT with
2637         V2DI2TI_FTYPE_V2DI_V2DI_INT.  Add UINT64_FTYPE_UINT64_UINT64,
2638         UINT_FTYPE_UINT_UINT, UINT_FTYPE_UINT_USHORT and
2639         UINT_FTYPE_UINT_UCHAR.
2640         (bdesc_args): Updated. Add crc32 builtins.
2641         (ix86_init_mmx_sse_builtins): Updated.
2642         (ix86_expand_args_builtin): Updated to support subreg.
2643
2644         * doc/extend.texi: Correct __builtin_ia32_crc32di.
2645
2646 2008-05-01  Jan Hubicka  <jh@suse.cz>
2647
2648         * tree-pass.h (opt_pass): Add IPA_PASS.
2649         (varpool_node, cgraph_node): Forward declare.
2650         (ipa_opt_pass): Define.
2651         (pass_ipa_inline): Turn into ipa_opt_pass.
2652         (pass_apply_inline): Remove.
2653         * ipa-inline.c (pass_ipa_inline): Turn into ipa_opt_pass.
2654         (apply_inline): Turn into ....
2655         (inline_transform): ... this one.
2656         (inline_generate_summary): New function.
2657         (pass_apply_inline): Remove.
2658         * function.h (ipa_opt_pass): Forward declare structure; typedef;
2659         vector.
2660         (struct function): Add ipa_transforms_to_apply.
2661         * passes.c (register_one_dump_file): Work on IPA_PASS.
2662         (init_optimization_passes): Remove pass_inline_parameters and
2663         pass_apply_inline.
2664         (pass_init_dump_file, pass_fini_dump_file): Break out from ....
2665         (execute_one_pass) ... here; apply transforms when possible.
2666         (add_ipa_transform_pass, execute_ipa_summary_asses,
2667         execute_one_ipa_transform_pass): New.
2668         (execute_ipa_pass_list): Update for IPA_PASS type.
2669
2670 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
2671
2672         * config/i386/i386.c (ix86_builtin_type): Add
2673         V2DI_FTYPE_V2DI_V16QI, V2DI_FTYPE_V2DI_UINT_UINT and
2674         V2DI_FTYPE_V2DI_V2DI_UINT_UINT.
2675         (bdesc_args): Add SSE4a builtins.
2676         (ix86_init_mmx_sse_builtins): Updated.
2677         (ix86_expand_args_builtin): Likewise.
2678         (ix86_expand_builtin): Likewise.
2679
2680 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
2681
2682         * config/i386/i386.c (ix86_builtin_type): Add
2683         V8HI_FTYPE_V8HI_V8HI_COUNT, V8HI_FTYPE_V8HI_SI_COUNT,
2684         V4SI_FTYPE_V4SI_V4SI_COUNT, V4SI_FTYPE_V4SI_SI_COUNT,
2685         V4HI_FTYPE_V4HI_V4HI_COUNT, V4HI_FTYPE_V4HI_SI_COUNT,
2686         V2DI_FTYPE_V2DI_V2DI_COUNT, V2DI_FTYPE_V2DI_SI_COUNT,
2687         V2SI_FTYPE_V2SI_V2SI_COUNT, V2SI_FTYPE_V2SI_SI_COUNT,
2688         V1DI_FTYPE_V1DI_V1DI_COUNT, V1DI_FTYPE_V1DI_SI_COUNT,
2689         V8HI_FTYPE_V8HI_INT, V4SI_FTYPE_V4SI_INT, V4HI_FTYPE_V4HI_INT,
2690         V2DI2TI_FTYPE_V2DI2TI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT
2691         and DI_FTYPE_DI_DI_INT.
2692         (bdesc_args): Add MMX/SSE shift, shuffle and palignr builtins.
2693         (ix86_init_mmx_sse_builtins): Updated.
2694         (ix86_expand_args_builtin): Likewise.
2695         (ix86_expand_builtin): Likewise.
2696         (ix86_expand_binop_imm_builtin): Removed.
2697
2698         * doc/extend.texi: Correct __builtin_ia32_palignr128.
2699
2700 2008-04-30  Richard Guenther  <rguenther@suse.de>
2701
2702         PR tree-optimization/32921
2703         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Disambiguate with TBAA.
2704
2705 2008-04-30  Richard Sandiford  <rsandifo@nildram.co.uk>
2706
2707         * config/arm/arm.c (arm_unwind_emit): Use
2708         crtl->all_throwers_are_sibcalls instead of
2709         cfun->all_throwers_are_sibcalls.
2710         (arm_output_fn_unwind): Likewise.
2711         * config/frv/frv.c (frv_stack_info): Use crtl->uses_pic_offset_table
2712         instead of cfun->uses_pic_offset_table.
2713         (frv_expand_prologue): Likewise.
2714         (frv_frame_pointer_required): Likewise.
2715         (frv_expand_fdpic_call): Likewise.
2716         (frv_emit_movsi): Likewise.
2717         * config/iq2000/iq2000.c (iq2000_expand_prologue): Use
2718         cfun->returns_pcc_struct instead of
2719         current_function_returns_pcc_struct.
2720         * config/m32c/m32c.c (need_to_save): Use crtl->calls_eh_return
2721         instead of cfun->calls_eh_return.
2722         (m32c_pushm_popm): Likewise.
2723         * config/xtensa/xtensa.h (cfun->calls_alloca): Remove bogus
2724         "extern" declaration.
2725
2726 2008-04-30  Richard Guenther  <rguenther@suse.de>
2727
2728         PR tree-optimization/21636
2729         * tree-ssa-ccp.c (ccp_fold): Handle &p->x with p being a
2730         constant address.
2731         (evaluate_stmt): Print the likely value.
2732         (ccp_visit_stmt): Avoid excessive vertical spacing.
2733
2734 2008-04-30  Rafael Espindola  <espindola@google.com>
2735
2736         * builtins.c (fold_call_expr): Return realret.
2737         * tree-ssa-threadedge.c
2738         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
2739         __builtin_object_size.
2740
2741 2008-04-30  Seongbae Park  <seongbae.park@gmail.com>
2742
2743         * gcc.c (wrapper_string): New variable.
2744         (insert_wrapper): New function.
2745         (execute): New option -wrapper.
2746         * doc/invoke.texi (Overall Options): New driver option -wrapper.
2747
2748 2008-04-30  Nathan Froyd  <froydnj@codesourcery.com>
2749
2750         * config/rs6000/crtresgpr.asm, config/rs6000/crtresxgpr.asm,
2751         config/rs6000/crtsavgpr.asm, config/rs6000/crtresfpr.asm,
2752         config/rs6000/crtresxfpr.asm, config/rs6000/crtsavfpr.asm: Break out
2753         from...
2754         * config/rs6000/crtsavres.asm: ...here.  Remove unneeded file.
2755         * config/rs6000/e500crtres32gpr.asm, config/rs6000/e500crtres64gpr.asm,
2756         config/rs6000/e500crtres64gprctr.asm,
2757         config/rs6000/e500crtrest32gpr.asm, config/rs6000/e500crtrest64gpr.asm,
2758         config/rs6000/e500crtresx32gpr.asm, config/rs6000/e500crtresx64gpr.asm,
2759         config/rs6000/e500crtsav32gpr.asm, config/rs6000/e500crtsav64gpr.asm,
2760         config/rs6000/e500crtsav64gprctr.asm,
2761         config/rs6000/e500crtsavg32gpr.asm, config/rs6000/e500crtsavg64gpr.asm,
2762         config/rs6000/e500crtsavg64gprctr.asm: New files.
2763         * config/rs6000/t-ppccomm: Add build rules for new files.
2764         (LIB2FUNCS_STATIC_EXTRA): Add new files.
2765         * config/rs6000/t-netbsd: Add build rules for new files.
2766         (LIB2FUNCS_STATIC_EXTRA): New variable.
2767         * config/rs6000/sysv4.h (ENDFILE_SPEC): Don't include crtsavres.o
2768         (CRTSAVRES_DEFAULT_SPEC): Likewise.
2769         * config/rs6000/netbsd.h (ENDFILE_SPEC): Likewise.
2770
2771 2008-04-30  H.J. Lu  <hongjiu.lu@intel.com>
2772
2773         * config/i386/i386.c (ix86_builtin_type): Add
2774         FLOAT128_FTYPE_FLOAT128_FLOAT128, V16QI_FTYPE_V16QI_V16QI,
2775         V16QI_FTYPE_V8HI_V8HI, V8QI_FTYPE_V8QI_V8QI,
2776         V8QI_FTYPE_V4HI_V4HI, V8HI_FTYPE_V8HI_V8HI,
2777         V8HI_FTYPE_V16QI_V16QI, V8HI_FTYPE_V4SI_V4SI,
2778         V4SI_FTYPE_V4SI_V4SI, V4SI_FTYPE_V8HI_V8HI,
2779         V4SI_FTYPE_V4SF_V4SF, V4SI_FTYPE_V2DF_V2DF,
2780         V4HI_FTYPE_V4HI_V4HI, V4HI_FTYPE_V8QI_V8QI,
2781         V4HI_FTYPE_V2SI_V2SI, V4SF_FTYPE_V4SF_V4SF,
2782         V4SF_FTYPE_V4SF_V4SF_SWAP, V4SF_FTYPE_V4SF_V2SI,
2783         V4SF_FTYPE_V4SF_V2DF, V4SF_FTYPE_V4SF_DI,
2784         V4SF_FTYPE_V4SF_SI, V2DI_FTYPE_V2DI_V2DI,
2785         V2DI_FTYPE_V16QI_V16QI, V2DI_FTYPE_V4SI_V4SI,
2786         V2DI_FTYPE_V2DF_V2DF, V2SI_FTYPE_V2SI_V2SI,
2787         V2SI_FTYPE_V4HI_V4HI, V2SI_FTYPE_V2SF_V2SF,
2788         V2DF_FTYPE_V2DF_V2DF, V2DF_FTYPE_V2DF_V2DF_SWAP,
2789         V2DF_FTYPE_V2DF_V4SF, V2DF_FTYPE_V2DF_DI,
2790         V2DF_FTYPE_V2DF_SI, V2SF_FTYPE_V2SF_V2SF,
2791         V1DI_FTYPE_V1DI_V1DI, V1DI_FTYPE_V8QI_V8QI and
2792         V1DI_FTYPE_V2SI_V2SI.
2793         (bdesc_2arg): Moved to ...
2794         (bdesc_args): Here.
2795         (ix86_init_mmx_sse_builtins): Updated.
2796         (ix86_expand_args_builtin): Updated.  Take a pointer
2797         to const struct builtin_description.  Handle comparison
2798         builtin functions.
2799         (ix86_expand_sse_compare): Take a new argument for swapping operands.
2800         (ix86_expand_builtin): Updated.
2801
2802         * config/i386/sse.md (ssse3_pmaddubswv8hi3): Renamed to ...
2803         (ssse3_pmaddubsw128): This.
2804         (ssse3_pmaddubswv4hi3): Renamed to ...
2805         (ssse3_pmaddubsw): This.
2806
2807         * doc/extend.texi (__builtin_ia32_packsswb128): Correct prototype.
2808         (__builtin_ia32_packssdw128): Likewise.
2809         (__builtin_ia32_packuswb128): Likewise.
2810         (__builtin_ia32_pmaddubsw): Likewise.
2811         (__builtin_ia32_pmaddubsw128): Likewise.
2812
2813 2008-04-30  Richard Guenther  <rguenther@suse.de>
2814
2815         PR tree-optimization/14847
2816         * tree-ssa-ifcombine.c (get_name_for_bit_test): New helper function.
2817         (recognize_bits_test): Use it.
2818         (recognize_single_bit_test): Likewise.
2819
2820 2008-04-30  Martin Jambor  <mjambor@suse.cz>
2821
2822         * ipa-cp.c (ipcp_init_stage): Calls ipa_set_called_with_variable_arg
2823         instead of setting number of formal parameters to zero.
2824         (ipcp_init_stage): Do not set the number of actual parameters to zero
2825         either.
2826         (ipcp_propagate_stage): Explicitly skipping all calls to nodes
2827         which are called with variable number of arguments.
2828         (ipcp_insert_stage): Explicitely skipping all nodes which are
2829         called with variable number of arguments.
2830         (ipcp_callsite_param_print): Skipps callsites to nodes with varaible
2831         number of parameters.
2832
2833         * ipa-prop.h (struct ipa_node_params): Added flag
2834         called_with_var_arguments
2835         (ipa_set_param_count): Added.  Changed sole setter to use it.
2836         (ipa_get_param_count): Added.  All readers of param_count
2837         converted to use it instead.
2838         (ipa_set_called_with_variable_arg): Added.
2839         (ipa_is_called_with_var_arguments): Added.
2840         (ipa_get_ith_param): Added.  All readers of param_decls converted
2841         to use it instead.
2842         (ipa_set_cs_argument_count): Added, sole writer to argument_count
2843         changed to use it.
2844         (ipa_get_cs_argument_count): Added, all readers of argument_count
2845         changed to cal it.
2846         (ipa_get_ith_jump_func): Added. Accessors of jump values changed
2847         to use it.
2848
2849         * ipa-prop.h (struct ipcp_formal): Renamed to ipcp_lattice
2850         (struct ipcp_lattice): Renamed cval_type to type
2851         (struct ipa_node_params): ipcp_cval renamed to ipcp_lattices
2852
2853         * ipa-cp.c (ipcp_cval_get_cvalue): Changed return value to tree
2854         (ipcp_cval_set_cvalue): Changed type of parameter value to tree
2855         (ipcp_insert_stage): Changed the type of variable cvalue to tree
2856         (ipcp_replace_map_create): Changed the type of parameter cvalue to tree
2857         (build_const_val): Changed the type of parameter cvalue to tree
2858         (ipcp_propagate_const): Changed the type of parameter cvalue to tree
2859         (ipcp_method_cval_set_cvalue_type): Renamed parameter cval_type1 to type
2860
2861         * ipa-prop.h (struct ipcp_formal): Replaced cvalue with tree called
2862         constant
2863
2864         * ipa-prop.c (ipa_methodlist_init): Renamed to ipa_init_func_list
2865         (ipa_methodlist_not_empty): Removed, the sole user now checks directly
2866         (ipa_add_method): Renamed to ipa_push_func_to_list
2867         (ipa_remove_method): Renamed to ipa_pop_func_from_list
2868         (ipa_callsite_param_count): Removed.
2869         (ipa_callsite_param_count_set): Removed.
2870         (ipa_callsite_param): Removed.
2871         (ipa_callsite_callee): Removed.
2872         (ipa_callsite_compute_param): Renamed to ipa_compute_jump_functions
2873         (ipa_callsite_compute_count): Renamed to ipa_count_arguments
2874         (ipa_method_formal_count): Removed.
2875         (ipa_method_formal_count_set): Removed.
2876         (ipa_method_get_tree): Removed.
2877         (ipa_method_tree_map_create): Removed.
2878         (ipa_method_compute_tree_map): Renamed to ipa_create_param_decls_array
2879         (ipa_create_param_decls_array): Creates the array itself
2880         (ipa_create_param_decls_array): Temporary variable info instead of
2881         a few dereferences.
2882         (ipa_method_formal_compute_count): Renamed to ipa_count_formal_params
2883         (ipa_method_compute_modify): Renamed to ipa_detect_param_modifications
2884         (get_type): Removed.
2885         (ipa_jf_get_info_type): Removed.
2886         (ipa_node_create): Renamed to ipa_create_node_params
2887         (ipa_free): Renamed to ipa_free_all_node_params
2888         (ipa_nodes_create): Renamed to ipa_create_all_node_params
2889         (ipa_edges_create): Renamed to ipa_create_all_edge_args
2890         (ipa_edges_free): Renamed to ipa_free_all_edge_args
2891         (ipa_nodes_free): Integrated into ipa_free_all_node_params and removed
2892         (ipa_free_all_node_params): Deallocation to jump_functions moved to
2893         ipa_free_all_edge_args
2894         (ipa_method_tree_print): Renamed to ipa_print_all_tree_maps
2895         (ipa_method_modify_print): Renamed to ipa_print_all_params_modified
2896         (ipa_create_methodlist_node): Removed.
2897         (ipa_methodlist_method): Removed.
2898         (ipa_methodlist_method_set): Removed.
2899         (ipa_methodlist_next_method): Removed.
2900         (ipa_methodlist_next_method_set): Removed.
2901         (ipa_method_is_modified): Removed.
2902         (ipa_method_modify_create): Removed.
2903         (ipa_method_modify_init): Temporary variable info instead of a few
2904         dereferences.
2905         (ipa_detect_param_modifications): Temporary variable info instead of
2906         a few dereferences.
2907         (ipa_compute_jump_functions): Temporary variable info instead of
2908         a few dereferences.
2909         (ipa_method_modify_set): Removed.
2910         (ipa_method_tree_map): Renamed to ipa_get_param_decl_index
2911         (ipa_get_param_decl_index): Now accepts struct ipa_node_params rather
2912         than craph_node as the first parameter.
2913         (ipa_method_modify_stmt): Renamed to ipa_check_stmt_modifications
2914         (ipa_method_modify_init): Removed.
2915         (ipa_compute_jump_functions): Added a temp variable instead of
2916         repeatadly dereferencing the cgraph_edge.aux pointer
2917         (ipa_callsite_param_set_type): Removed.
2918         (ipa_compute_jump_functions): i renamed to index and moved to
2919         an inner block
2920         (ipa_callsite_param_set_info_type_formal): Removed.
2921         (ipa_callsite_param_set_info_type): Removed.
2922         (ipa_callsite_param_map_create): Removed.
2923         (ipa_callsite_tree): Removed.
2924         (ipa_callsite_caller): Removed.
2925         (ipa_pop_func_from_list): return_method removed to return_func
2926
2927         * ipa-prop.h (enum cvalue_type): Renamed to ipa_lattice_type,
2928         prefixed all values with IPA_. Changed all users.
2929         (enum jump_func_type): Rnamed UNKNOWN_IPATYPE to IPA_UNKNOWN,
2930         CONST_IPATYPE to IPA_CONST, CONST_IPATYPE_REF to IPA_CONST_REF
2931         and FORMAL_IPATYPE IPA_PASS_THROUGH.
2932         (union parameter_info): Renamed to jump_func_value.
2933         (union jump_func_value): Renamed value to constant
2934         (struct ipa_jump_func): Renamed info_type to value
2935         (struct ipa_node): Renamed to ipa_node_params
2936         (struct ipa_node_params): Renamed ipa_arg_num to param_count
2937         (struct ipa_node_params): Renamed ipa_param_tree to param_decls
2938         (struct ipa_node_params): Renamed ipa_mod to modified_flags
2939         (struct ipa_edge): Renamed to ipa_edge_args
2940         (struct ipa_edge_args): Renamed ipa_param_num to argument_count
2941         (struct ipa_edge_args): Renamed ipa_param_map to jump_functions
2942         (struct ipa_methodlist): Renamed to ipa_func_list
2943         (struct ipa_func_list): method_p renamed to node, next_method
2944         renamed to next
2945         (ipa_methodlist_p): Removed, switched all users to struct pointer
2946         (IS_VALID_TREE_MAP_INDEX): Renamed to IS_VALID_JUMP_FUNC_INDEX
2947
2948 2008-04-30  Alan Modra  <amodra@bigpond.net.au>
2949
2950         * config/rs6000/rs6000.c (ALWAYS_RESTORE_ALTIVEC_BEFORE_POP): Define.
2951         (rs6000_emit_epilogue): Use backchain to restore only when we
2952         have a large frame.  Make use of frame pointer to restore if we
2953         have one.  Handle ALWAYS_RESTORE_ALTIVEC_BEFORE_POP.
2954
2955 2008-04-29  Paolo Bonzini  <bonzini@gnu.org>
2956
2957         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
2958         Add mode to zero_extract.
2959         (sign bit tests peepholes): (Ditto.).
2960
2961 2008-04-29  H.J. Lu  <hongjiu.lu@intel.com>
2962
2963         * config/i386/i386.c (ix86_builtins): Replace Prescott New
2964         Instructions in comments with SSE3.
2965         (ix86_builtin_type): This.  Add FLOAT128_FTYPE_FLOAT128,
2966         INT64_FTYPE_V4SF, INT64_FTYPE_V2DF, INT_FTYPE_V16QI,
2967         INT_FTYPE_V8QI, INT_FTYPE_V4SF, INT_FTYPE_V2DF,
2968         V16QI_FTYPE_V16QI, V8HI_FTYPE_V8HI, V8HI_FTYPE_V16QI,
2969         V8QI_FTYPE_V8QI, V4SI_FTYPE_V4SI, V4SI_FTYPE_V16QI,
2970         V4SI_FTYPE_V4SF, V4SI_FTYPE_V8HI, V4SI_FTYPE_V2DF,
2971         V4HI_FTYPE_V4HI, V4SF_FTYPE_V4SF, V4SF_FTYPE_V4SI,
2972         V4SF_FTYPE_V2DF, V2DI_FTYPE_V2DI, V2DI_FTYPE_V16QI,
2973         V2DI_FTYPE_V8HI, V2DI_FTYPE_V4SI, V2DF_FTYPE_V2DF,
2974         V2DF_FTYPE_V4SI, V2DF_FTYPE_V4SF, V2DF_FTYPE_V2SI,
2975         V2SI_FTYPE_V2SI, V2SI_FTYPE_V4SF, V2SI_FTYPE_V2SF,
2976         V2SI_FTYPE_V2DF, V2SF_FTYPE_V2SF and V2SF_FTYPE_V2SI.
2977         (bdesc_sse_args): Renamed to ...
2978         (bdesc_args): This.  Add IX86_BUILTIN_PF2ID, IX86_BUILTIN_PFRCP,
2979         IX86_BUILTIN_PFRSQRT, IX86_BUILTIN_PI2FD, IX86_BUILTIN_PF2IW,
2980         IX86_BUILTIN_PSWAPDSI, IX86_BUILTIN_PSWAPDSF and
2981         IX86_BUILTIN_FABSQ.
2982         (bdesc_1arg): Moved to ...
2983         (bdesc_args): Here.
2984         (ix86_init_mmx_sse_builtins): Updated.  Replace Prescott New
2985         Instructions in comments with SSE3.
2986         (ix86_expand_sse_operands_builtin): Renamed to ...
2987         (ix86_expand_args_builtin): This.  Updated.
2988         (ix86_expand_unop1_builtin): Update comments.
2989         (ix86_expand_builtin): Updated.
2990
2991 2008-04-29  Richard Guenther  <rguenther@suse.de>
2992
2993         PR tree-optimization/36078
2994         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely):
2995         Update virtual SSA form after cleaning up the CFG.
2996
2997 2008-04-29  Richard Guenther  <rguenther@suse.de>
2998
2999         PR middle-end/15255
3000         * fold-const.c (fold_binary): Fold (A + A) * C to A * 2*C.
3001
3002 2008-04-29  Richard Guenther  <rguenther@suse.de>
3003
3004         * tree-ssa-alias.c (finalize_ref_all_pointers): Remove.
3005         (compute_may_aliases): Do not call finalize_ref_all_pointers.
3006         (compute_flow_insensitive_aliasing): Do not treat
3007         PTR_IS_REF_ALL pointers special.
3008         (get_smt_for): Likewise.
3009         (may_alias_p): Re-structure.
3010         (is_escape_site): A ref-all pointer conversion is not an escape site.
3011         * tree-ssa-structalias.c (find_what_p_points_to): Do not treat
3012         PTR_IS_REF_ALL pointers special.
3013         * tree-ssa-structalias.h (struct alias_info): Remove
3014         ref_all_symbol_mem_tag field.
3015         (PTR_IS_REF_ALL): Remove.
3016
3017 2008-04-29  Richard Guenther  <rguenther@suse.de>
3018
3019         PR middle-end/36077
3020         * fold-const.c (extract_muldiv_1): In combining division constants
3021         make sure to never overflow.
3022
3023 2008-04-29  Nick Clifton  <nickc@redhat.com>
3024
3025         * doc/tm.texi (RETURN_ADDR_RTX): Fix typo.
3026
3027 2008-04-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3028
3029         PR bootstrap/35169
3030         * optc-gen.awk: Work around HP-UX/IA awk bug.
3031
3032 2008-04-28  Danny Smith  <dannysmith@users.sourceforge.net>
3033
3034         * config/i386/cygming-crtend.c (register_frame_ctor): Revert my
3035         2008-04-25 commit.
3036
3037 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
3038
3039         PR target/36073
3040         * config/i386/i386.md
3041         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit):
3042         Change operand 1 predicate to nonimmediate_operand.
3043
3044 2008-04-28  Jakub Jelinek  <jakub@redhat.com>
3045
3046         PR debug/36060
3047         * dwarf2out.c (struct die_struct): Mark as chain_circular through
3048         die_sub field.
3049         * gengtype.c (walk_type, write_func_for_structure): Handle
3050         chain_circular.
3051         * doc/gty.texi: Document chain_circular.
3052
3053 2008-04-28  Richard Guenther  <rguenther@suse.de>
3054
3055         PR tree-optimization/36066
3056         * tree-vrp.c (execute_vrp): Cleanup the CFG only after finalizing
3057         SCEV and loop.
3058
3059 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
3060
3061         PR target/36064
3062         * config/i386/i386.md
3063         (floatdi<X87MODEF:mode>2_i387_with_xmm splitters):
3064         Use match_scratch instead of match_operand for operands 3 and 4.
3065
3066 2008-04-27  Richard Guenther  <rguenther@suse.de>
3067
3068         PR tree-optimization/18754
3069         PR tree-optimization/34223
3070         * tree-pass.h (pass_complete_unrolli): Declare.
3071         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Print
3072         loop size before and after unconditionally of UL_NO_GROWTH in effect.
3073         Rewrite loop into loop closed SSA form if it is not already.
3074         (tree_unroll_loops_completely): Re-structure to iterate over
3075         innermost loops with intermediate CFG cleanups.
3076         Unroll outermost loops only if requested or the code does not grow
3077         doing so.
3078         * tree-ssa-loop.c (gate_tree_vectorize): Don't shortcut if no
3079         loops are available.
3080         (tree_vectorize): Instead do so here.
3081         (tree_complete_unroll): Also unroll outermost loops.
3082         (tree_complete_unroll_inner): New function.
3083         (gate_tree_complete_unroll_inner): Likewise.
3084         (pass_complete_unrolli): New pass.
3085         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Only record
3086         uses outside of the loop.
3087         (tree_duplicate_loop_to_header_edge): Only verify loop-closed SSA
3088         form if it is available.
3089         * tree-flow.h (tree_unroll_loops_completely): Add extra parameter.
3090         * passes.c (init_optimization_passes): Schedule complete inner
3091         loop unrolling pass before the first CCP pass after final inlining.
3092
3093 2008-04-27  Nathan Sidwell  <nathan@codesourcery.com>
3094
3095         * targhooks.h (default_emutls_var_fields,
3096         default_emutls_var_init): Declare.
3097         * tree.h (DECL_THREAD_LOCAL): Compare against TLS_MODEL_REAL.
3098         * target.h (struct gcc_target): Add struct emutls member.
3099         * target-def.h (TARGET_EMUTLS_GET_ADDRESS,
3100         TARGET_EMUTLS_REGISTER_COMMON, TARGET_EMUTLS_VAR_SECTION,
3101         TARGET_EMUTLS_TMPL_SECTION, TARGET_EMUTLS_VAR_PREFIX,
3102         TARGET_EMUTLS_TMPL_PREFIX, TARGET_EMUTLS_VAR_FIELDS,
3103         TARGET_EMUTLS_VAR_INIT, TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS,
3104         TARGET_EMUTLS_VAR_ALIGN_FIXED, TARGET_EMUTLS): New.
3105         (TARGET_INITIALIZER): Add TARGET_EMUTLS.
3106         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS,
3107         BUILT_IN_EMUTLS_REGISTER_COMMON): Get name from targetm structure.
3108         * dwarf2out.c (loc_descriptor_from_tree_1): Check if emutls can
3109         emit debug information.
3110         * coretypes.h (tls_model): Add TLS_MODEL_EMULATED, TLS_MODEL_REAL.
3111         * varasm.c: Include targhooks.h.
3112         (emutls_object_section, emutls_tmpl_section): New.
3113         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): Remove.
3114         (EMUTLS_SEPARATOR): New.
3115         (prefix_name): New.
3116         (get_emutls_object_name): New.
3117         (default_emutls_var_fields): New, broken out of ...
3118         (get_emutls_object_type): ... here.  Adjust to use target hooks.
3119         (get_emutls_init_templ_addr): Adjust to use target hooks.
3120         (emutls_decl): Adjust to use target hooks.
3121         (emutls_finish): Likewise.
3122         (default_emutls_var_init): New, broken out of ...
3123         (assemble_variable): ... here.  Adjust to use target hooks.
3124         * output.h (enum section_category): Add SECCAT_EMUTLS_VAR,
3125         SECCAT_EMUTLS_TMPL.
3126         * c-common.c (handle_section_attribute): Prevent overriding
3127         sections for emulated tls with special sections.
3128         * config/i386/i386.c (x86_64_elf_select_section): Add
3129         SECCAT_EMUTLS_VAR and SECCAT_EMUTLS_TMPL.
3130         (x86_64_elf_unique_section): Likewise.
3131         * config/vxworks.c: Include tree.h.
3132         (vxworks_emutls_var_fields, vxworks_emutls_var_init): New.
3133         (vxworks_override_options): Set TLS scheme.
3134         * doc/tm.texi (Emulated TLS): New node.
3135
3136 2008-04-26  Simon Baldwin <simonb@google.com>
3137
3138         PR c/35652
3139         * builtins.c (c_strlen): Suppressed multiple warnings that can occur
3140         with propagated string constants.
3141
3142 2008-04-26  Uros Bizjak  <ubizjak@gmail.com>
3143
3144         * config/i386/i386.md (fix_trunc<mode>_i387_fisttp_with_temp): Use 'X'
3145         constraint for operand 2 when operand 0 is memory operand.
3146         (fix_truncdi_i387_with_temp): : Use 'X' constraint for operand 4 when
3147         operand 0 is memory operand.
3148         (fix_trunc<mode>_i387_with_temp): Ditto.
3149         (*floatsi<mode>2_vector_mixed_with_temp): Use 'X' constraint for
3150         operand 2 when operand 1 is memory operand.
3151         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_with_temp): Ditto.
3152         (*floatsi<mode>2_vector_sse_with_temp): Ditto.
3153         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_with_temp): Ditto.
3154         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
3155         (floatdi<X87MODEF:mode>2_i387_with_xmm): Use 'X' constraint for
3156         operands 2,3 and 4 when operand 1 is memory operand.
3157         (fistdi2_with_temp): Use 'X' constraint for operand 2 when operand 0
3158         is memory operand.
3159         (fistdi2_floor_with_temp): Ditto.
3160         (fist<mode>2_floor_with_temp): Ditto.
3161         (fistdi2_ceil_with_temp): Ditto.
3162         (fist<mode>2_ceil_with_temp): Ditto.
3163         (*truncdfsf_fast_mixed): Merge alternatives 0 and 1.
3164
3165 2008-04-26  David Daney  <ddaney@avtrex.com>
3166
3167         * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP_12): New
3168         unspec_volitile.
3169         (UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE,
3170         UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
3171         UNSPEC_UPDATE_GOT_VERSION): Renumber.
3172         (sync_compare_and_swap<mode>): New expand for QI and HI modes.
3173         (compare_and_swap_12): New insn.
3174         * config/mips/mips-protos.h (mips_expand_compare_and_swap_12): Declare.
3175         * config/mips/mips.c (mips_force_binary): New function.
3176         (mips_emit_int_order_test, mips_expand_synci_loop): Use it.
3177         (mips_expand_compare_and_swap_12): New function.
3178         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): New macro.
3179
3180 2008-04-25  Jan Hubicka  <jh@suse.cz>
3181
3182         PR testsuite/35843
3183         * cfgexpand.c (pass_expand): Turn into RTL pass.
3184         * passes.c (execute_one_pass): Do pass typechecking after execution.
3185         * tree-pass.h (pass_expand): Turn into RTL pass.
3186
3187         * function.h (struct rtl_data): Move here fields
3188         accesses_prior_frames, calls_eh_return, saves_all_registers,
3189         has_nonlocal_goto, has_asm_statement, is_thunk,
3190         all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool,
3191         uses_pic_offset_table, uses_eh_lsda, tail_call_emit,
3192         arg_pointer_save_area_init from struct function; turn into bool.
3193         (struct function): Move
3194         calls_eh_return, saves_all_registers, has_nonlocal_goto,
3195         has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack,
3196         profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda,
3197         tail_call_emit, arg_pointer_save_area_init
3198         into struct rtl_data.  Remove recursive_call_emit and gimplified flags.
3199         (current_function_returns_struct, current_function_returns_pcc_struct,
3200         current_function_calls_setjmp, current_function_calls_alloca,
3201         current_function_accesses_prior_frames,
3202         current_function_calls_eh_return, current_function_is_thunk,
3203         current_function_stdarg, current_function_profile,
3204         current_function_limit_stack, current_function_uses_pic_offset_table,
3205         current_function_uses_const_pool, current_function_has_nonlocal_label,
3206         current_function_saves_all_registers,
3207         current_function_has_nonlocal_goto,
3208         current_function_has_asm_statement): Remove accesor macros.
3209         * ra-conflict.c (global_conflicts): Update.
3210         * tree-tailcall.c (suitable_for_tail_opt_p): Update.
3211         (suitable_for_tail_call_opt_p): Update.
3212         * builtins.c (expand_builtin_return_addr): Update.
3213         (expand_builtin_setjmp_setup): Update.
3214         (expand_builtin_nonlocal_goto): Update.
3215         * final.c (final_start_function): Update.
3216         (profile_function): Update.
3217         (leaf_function_p): Update.
3218         (only_leaf_regs_used): Update.
3219         * df-scan.c (df_get_exit_block_use_set): Update.
3220         * dojump.c (clear_pending_stack_adjust): Update.
3221         * tree-stdarg.c (gate_optimize_stdarg): Update.
3222         * gimple-low.c (lower_function_body): Update.
3223         * global.c (compute_regsets): Update.
3224         (global_alloc): Update.
3225         * dwarf2out.c (dwarf2out_begin_prologue): Update.
3226         * expr.c (expand_assignment): Update.
3227         * dse.c (dse_step0): Update.
3228         (dse_step1): Update.
3229         * c-decl.c (store_parm_decls): Update.
3230         * local-alloc.c (combine_regs): Update.
3231         (find_free_reg): Update.
3232         * function.c (assign_parms_augmented_arg_list): Update.
3233         (assign_parm_find_data_types): Update.
3234         (assign_parms): Update.
3235         (allocate_struct_function): Update.
3236         (expand_function_start): Update.
3237         (expand_function_end): Update.
3238         (get_arg_pointer_save_area): Update.
3239         (thread_prologue_and_epilogue_insns): Update.
3240         (rest_of_match_asm_constraints): Update.
3241         * stor-layout.c (variable_size): Update.
3242         * gcse.c (gcse_main): Update.
3243         (bypass_jumps): Update.
3244         * gimplify.c (gimplify_function_tree): Update.
3245         * calls.c (emit_call_1): Update.
3246         (expand_call): Update.
3247         * bt-load.c (compute_defs_uses_and_gen): Update.
3248         * except.c (sjlj_assign_call_site_values): Update.
3249         (sjlj_emit_function_enter): Update.
3250         (can_throw_external): Update.
3251         (set_nothrow_function_flags): Update.
3252         (expand_builtin_unwind_init): Update.
3253         (expand_eh_return): Update.
3254         (convert_to_eh_region_ranges): Update.
3255         (output_function_exception_table): Update.
3256         * emit-rtl.c (gen_tmp_stack_mem): Update.
3257         * cfgexpand.c (expand_used_vars): Update.
3258         (tree_expand_cfg): Update.
3259         * cfgcleanup.c (rest_of_handle_jump): Update.
3260         * explow.c (allocate_dynamic_stack_space): Update.
3261         * varasm.c (assemble_start_function): Update.
3262         (force_const_mem): Update.
3263         (mark_constant_pool): Update.
3264         * tree-optimize.c (tree_rest_of_compilation): Update.
3265         * stack-ptr-mod.c (notice_stack_pointer_modification): Update.
3266         * tree-cfg.c (notice_special_calls): Update.
3267         (is_ctrl_altering_stmt): Update.
3268         (tree_can_make_abnormal_goto): Update.
3269         (tree_purge_dead_abnormal_call_edges): Update.
3270         * config/alpha/predicates.md: Update.
3271         * config/alpha/alpha.c (alpha_sa_mask): Update.
3272         (alpha_sa_size): Update.
3273         (alpha_does_function_need_gp): Update.
3274         (alpha_expand_prologue): Update.
3275         (alpha_start_function): Update.
3276         (alpha_output_function_end_prologue): Update.
3277         (alpha_expand_epilogue): Update.
3278         * config/frv/frv.c (frv_stack_info): Update.
3279         (frv_expand_epilogue): Update.
3280         * config/s390/s390.c (s390_regs_ever_clobbered): Update.
3281         (s390_register_info): Update.
3282         (s390_frame_info): Update.
3283         (s390_init_frame_layout): Update.
3284         (s390_can_eliminate): Update.
3285         (save_gprs): Update.
3286         * config/spu/spu.c (spu_split_immediate): Update.
3287         (need_to_save_reg): Update.
3288         (spu_expand_prologue): Update.
3289         (spu_expand_epilogue): Update.
3290         * config/sparc/sparc.md: Update.
3291         * config/sparc/sparc.c (eligible_for_return_delay): Update.
3292         (sparc_tls_got): Update.
3293         (legitimize_pic_address): Update.
3294         (sparc_emit_call_insn): Update.
3295         (sparc_expand_prologue): Update.
3296         (output_return): Update.
3297         (print_operand): Update.
3298         (sparc_function_ok_for_sibcall): Update.
3299         * config/sparc/sparc.h (EXIT_IGNORE_STACK): Update.
3300         * config/m32r/m32r.md: Update.
3301         * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update.
3302         (m32r_compute_frame_size): Update.
3303         (m32r_expand_prologue): Update.
3304         (m32r_expand_epilogue): Update.
3305         (m32r_legitimize_pic_address): Update.
3306         * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update.
3307         * config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
3308         * config/i386/i386.c (ix86_frame_pointer_required): Update.
3309         (gen_push): Update.
3310         (ix86_save_reg): Update.
3311         (ix86_compute_frame_layout): Update.
3312         (ix86_expand_prologue): Update.
3313         (ix86_expand_epilogue): Update.
3314         * config/sh/sh.c (output_stack_adjust): Update.
3315         (calc_live_regs): Update.
3316         (sh5_schedule_saves): Update.
3317         (sh_expand_prologue): Update.
3318         (sh_expand_epilogue): Update.
3319         (sh_setup_incoming_varargs): Update.
3320         (sh_allocate_initial_value): Update.
3321         (sh_get_pr_initial_val): Update.
3322         * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update.
3323         * config/sh/sh.md (label:): Update.
3324         * config/avr/avr.c (out_movhi_mr_r): Update.
3325         * config/crx/crx.h (enum): Update.
3326         * config/xtensa/xtensa.h (along): Update.
3327         * config/stormy16/stormy16.c Update.
3328         (xstormy16_compute_stack_layout): Update.
3329         * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update.
3330         (fr30_expand_prologue): Update.
3331         * config/cris/cris.c (cris_conditional_register_usage): Update.
3332         (cris_reg_saved_in_regsave_area): Update.
3333         (cris_initial_frame_pointer_offset): Update.
3334         (cris_simple_epilogue): Update.
3335         (cris_expand_prologue): Update.
3336         (cris_expand_epilogue): Update.
3337         (cris_expand_pic_call_address): Update.
3338         (cris_asm_output_symbol_ref): Update.
3339         (cris_asm_output_label_ref): Update.
3340         * config/cris/cris.md Update.
3341         * config/iq2000/iq2000.c (compute_frame_size): Update.
3342         (iq2000_expand_epilogue): Update.
3343         * config/mt/mt.h (save_direction): Update.
3344         * config/mn10300/mn10300.c (mn10300_function_value): Update.
3345         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
3346         (ia64_secondary_reload_class): Update.
3347         * config/m68k/m68k.c (m68k_save_reg): Update.
3348         (m68k_expand_prologue): Update.
3349         (m68k_expand_epilogue): Update.
3350         (legitimize_pic_address): Update.
3351         * config/rs6000/rs6000.c (rs6000_got_register): Update.
3352         (first_reg_to_save): Update.
3353         (first_altivec_reg_to_save): Update.
3354         (compute_vrsave_mask): Update.
3355         (compute_save_world_info): Update.
3356         (rs6000_stack_info): Update.
3357         (spe_func_has_64bit_regs_p): Update.
3358         (rs6000_ra_ever_killed): Update.
3359         (rs6000_emit_eh_reg_restore): Update.
3360         (rs6000_emit_allocate_stack): Update.
3361         (rs6000_emit_prologue): Update.
3362         (rs6000_emit_epilogue): Update.
3363         (rs6000_output_function_epilogue): Update.
3364         (output_profile_hook): Update.
3365         (rs6000_elf_declare_function_name): Update.
3366         * config/rs6000/rs6000.h (rs6000_args): Update.
3367         * config/rs6000/rs6000.md: Update.
3368         * config/mcore/mcore.c (mcore_expand_prolog): Update.
3369         * config/arc/arc.c (arc_output_function_epilogue): Update.
3370         * config/arc/arc.h (FRAME_POINTER_REQUIRED): Update.
3371         * config/darwin.c (machopic_function_base_name): Update.
3372         * config/score/score3.c (score3_compute_frame_size): Update.
3373         (rpush): Update.
3374         (rpop): Update.
3375         (score3_epilogue): Update.
3376         * config/score/score7.c (score7_compute_frame_size): Update.
3377         (score7_prologue): Update.
3378         (score7_epilogue): Update.
3379         * config/score/score.h (FRAME_POINTER_REQUIRED): Update.
3380         * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
3381         * config/arm/arm.c (use_return_insn): Update.
3382         (require_pic_register): Update.
3383         (arm_load_pic_register): Update.
3384         (arm_compute_save_reg0_reg12_mask): Update.
3385         (arm_compute_save_reg_mask): Update.
3386         (thumb1_compute_save_reg_mask): Update.
3387         (output_return_instruction): Update.
3388         (arm_output_function_prologue): Update.
3389         (arm_output_epilogue): Update.
3390         (arm_get_frame_offsets): Update.
3391         (arm_expand_prologue): Update.
3392         (thumb_pushpop): Update.
3393         (thumb_exit): Update.
3394         (thumb1_expand_prologue): Update.
3395         (thumb1_expand_epilogue): Update.
3396         (arm_unwind_emit): Update.
3397         (arm_output_fn_unwind): Update.
3398         * config/arm/arm.h (FRAME_POINTER_REQUIRED): Update.
3399         * config/arm/arm.md: Update.
3400         * config/pa/pa.md: Update.
3401         * config/pa/pa.c (legitimize_pic_address): Update.
3402         (compute_frame_size): Update.
3403         (hppa_expand_prologue): Update.
3404         (hppa_expand_epilogue): Update.
3405         (borx_reg_operand): Update.
3406         * config/pa/pa.h (FRAME_POINTER_REQUIRED): Update.
3407         (HARD_REGNO_RENAME_OK): Update.
3408         * config/mips/mips.c (mips_global_pointer): Update.
3409         (mips_save_reg_p): Update.
3410         (mips_compute_frame_info): Update.
3411         (mips_frame_pointer_required): Update.
3412         (mips_expand_prologue): Update.
3413         (mips_expand_epilogue): Update.
3414         (mips_can_use_return_insn): Update.
3415         (mips_reorg_process_insns): Update.
3416         * config/v850/v850.c (compute_register_save_size): Update.
3417         * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update.
3418         * config/mmix/mmix.c (along): Update.
3419         (mmix_expand_epilogue): Update.
3420         * config/bfin/bfin.c (legitimize_pic_address): Update.
3421         (must_save_p): Update.
3422         (stack_frame_needed_p): Update.
3423         (add_to_reg): Update.
3424         (bfin_expand_prologue): Update.
3425         * stmt.c (expand_asm_operands): Update.
3426         * reload1.c (reload): Update.
3427         (init_elim_table): Update.
3428
3429 2008-04-25  Bob Wilson  <bob.wilson@acm.org>
3430
3431         * optabs.c (expand_float): Fix REG_EQUAL for UNSIGNED_FLOAT libcall.
3432
3433 2008-04-25  H.J. Lu  <hongjiu.lu@intel.com>
3434
3435         * config/i386/sse.md (mov<mode>): Replace SSEMODEI with SSEMODE.
3436         (*mov<mode>_internal): Likewise.  Support V4SF and V2DF.
3437         (mov<mode>): Removed.
3438         (*movv4sf_internal): Likewise.
3439         (*movv2df_internal): Likewise.
3440
3441 2008-04-25  Pompapathi V Gadad <Pompapathi.V.Gadad@nsc.com>
3442
3443         * config.gcc (crx-*-elf): Remove deprecation.
3444
3445 2008-04-25  Danny Smith  <dannysmith@users.sourceforge.net>
3446
3447         * config/i386/cygming-crtend.c (register_frame_ctor): Register
3448         __gcc_deregister_frame with atexit.
3449         (deregister_frame_dtor): Remove.
3450
3451 2008-04-24  Nathan Froyd  <froydnj@codesourcery.com>
3452             Nathan Sidwell  <nathan@codesourcery.com>
3453
3454         * config/rs6000/rs6000.opt (mspe): Remove Var property.
3455         (misel): Likewise.
3456         * config/rs6000/rs6000.h (rs6000_spe): Declare.
3457         (rs6000_isel): Likewise.
3458         * config/rs6000/rs6000.c (rs6000_spe): New variable.
3459         (rs6000_isel): New variable.
3460         (rs6000_handle_option): Handle OPT_mspe and OPT_misel.
3461
3462 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
3463
3464         PR c++/35758
3465         * c-common.c (handle_vector_size_attribute): Call
3466         lang_hooks.types.reconstruct_complex_type instead of
3467         reconstruct_complex_type.
3468         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Likewise.
3469         * config/spu/spu.c (spu_handle_vector_attribute): Likewise.
3470         * langhooks.h (struct lang_hooks_for_types): Add
3471         reconstruct_complex_type hook.
3472         * langhooks-def.h (LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE): Define.
3473         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add it.
3474
3475 2008-04-24  Richard Guenther  <rguenther@suse.de>
3476
3477         * c-common.h (check_builtin_function_arguments): Declare.
3478         * c-common.c (validate_nargs): New function.
3479         (check_builtin_function_arguments): Likewise.
3480         * c-typeck.c (build_function_call): Call
3481         check_builtin_function_arguments.
3482         * builtins.c (fold_builtin_classify): Remove error reporting code.
3483         (fold_builtin_unordered_cmp): Likewise.
3484         (fold_builtin_1): Likewise.
3485         (fold_builtin_n): Likewise.
3486
3487 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
3488
3489         PR tree-optimization/36008
3490         * fold-const.c (try_move_mult_to_index): If s == NULL, divide
3491         the original op1, rather than delta by step.
3492
3493 2008-04-22  Antoniu Pop  <antoniu.pop@gmail.com>
3494             Sebastian Pop  <sebastian.pop@amd.com>
3495
3496         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
3497         eliminate_local_variables_stmt, eliminate_local_variables,
3498         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
3499         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
3500         of code delimited by two edges in the CFG.
3501         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
3502         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
3503         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
3504         the case of parallelisation of reductions.
3505         (expr_invariant_in_region_p): New.
3506
3507         * tree-flow.h (gather_blocks_in_sese_region): Declared.
3508         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
3509
3510 2008-04-24  Ira Rosen  <irar@il.ibm.com>
3511             Richard Guenther  <rguenther@suse.de>
3512
3513         PR tree-optimization/36034
3514         * tree-vect-analyze.c (vect_analyze_group_access): SLP is
3515         incapable of dealing with loads with gaps.
3516
3517 2008-04-24  Rafael Espindola  <espindola@google.com>
3518
3519         * tree-flow.h (vrp_evaluate_conditional): Change signature.
3520         * tree-ssa-propagate.c (fold_predicate_in): Update call to
3521         vrp_evaluate_conditional.
3522         * tree-vrp.c (vrp_evaluate_conditional_warnv): Remove.
3523         (vrp_evaluate_conditional): Split the cond argument.
3524         (vrp_visit_cond_stmt): Use vrp_evaluate_conditional_warnv_with_ops.
3525         (simplify_stmt_for_jump_threading): Update call to
3526         vrp_evaluate_conditional.
3527
3528 2008-04-24  Ira Rosen  <irar@il.ibm.com>
3529
3530         PR tree-optimization/35982
3531         * tree-vect-analyze.c (vect_check_interleaving): Check that the
3532         interleaved data-refs are of the same type.
3533
3534 2008-04-24  Danny Smith  <dannysmith@users.net>
3535
3536         * c-format.c (check_format_info_main): Use strncmp rather than a
3537         magic prefix to handle multichar length specs.
3538         * config/i386/msformat-c.c (format_length_info ms_printf_length_specs):
3539         Don't prefix "I64" and "I32" with '\0'.
3540
3541 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
3542
3543         PR target/36015
3544         * config/i386/i386.c (init_cumulative_args): Don't pass anything
3545         in registers for -m32 only if stdarg_p (fntype).
3546
3547 2008-04-24  Uros Bizjak  <ubizjak@gmail.com>
3548
3549         PR rtl-optimization/36006
3550         * expmed.c (store_fixed_bit_field): Copy op0 rtx before moving
3551         temp to op0 in order to avoid invalid rtx sharing.
3552
3553 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
3554
3555         * tree-cfg.c (verify_expr): Check with is_gimple_address.  Don't
3556         check TREE_INVARIANT.
3557         * tree-gimple.c (is_gimple_address): New.
3558         (is_gimple_invariant_address): Simplify using decl_address_invariant_p.
3559         * tree-gimple.h (is_gimple_address): New.
3560         * tree.h (decl_address_invariant_p): New.
3561         * tree.c (make_node_stat): Don't set TREE_INVARIANT.
3562         (build_string): Likewise.
3563         (decl_address_invariant_p): New, from is_gimple_invariant_address.
3564         (tree_invariant_p_1): Likewise.
3565         (save_expr): Use it.
3566         (tree_invariant_p): New.
3567         (skip_simple_arithmetic): Use it.
3568         (stabilize_reference_1): Use it.
3569         (recompute_tree_invariant_for_addr_expr): Don't update TREE_INVARIANT,
3570         simplify.
3571         (build1_stat): Drop code to compute TREE_INVARIANT.
3572         (build2_stat): Drop code to compute TREE_INVARIANT.
3573         (build3_stat): Drop code to compute TREE_INVARIANT.
3574         (build4_stat): Drop code to compute TREE_INVARIANT.
3575         (build5_stat): Drop code to compute TREE_INVARIANT.
3576         (build7_stat): Drop code to compute TREE_INVARIANT.
3577         (merge_dllimport_decl_attributes): Don't mention TREE_INVARIANT.
3578         * tree.h (struct tree_base): Remove invariant_flag.
3579         (TREE_INVARIANT): Remove.
3580         * builtins.c (build_string_literal): Don't set TREE_INVARIANT.
3581         (fold_builtin_expect): Check TREE_CONSTANT.
3582         * tree-ssa-ccp.c (fold_stmt_r): Adjust comment.
3583         * c-tree.h (c_expr_to_decl): Drop third parameter.
3584         * c-typeck.c (build_external_ref): Don't set TREE_INVARIANT.
3585         (build_c_cast): Don't set TREE_INVARIANT.
3586         (pop_init_level): Don't set TREE_INVARIANT.
3587         (c_objc_common_truthvalue_conversion): Don't set TREE_INVARIANT.
3588         * gimplify.c (gimplify_init_ctor_preeval): Add assertion, test
3589         TREE_CONSTANT.
3590         (gimplify_init_constructor): Don't set TREE_INVARIANT.
3591         (gimplify_addr_expr): Adjust comment.
3592         * tree-mudflap.c (mf_build_string):
3593         * print-tree.c (print_node): Don't print TREE_INVARIANT.
3594         * tree-nested.c (convert_nonlocal_reference): Adjust comment.
3595         * c-common.c (fix_string_type): Don't set TREE_INVARIANT.
3596         * langhooks-def.h (lhd_expr_to_decl): Drop third parameter.
3597         * langhooks.c (lhd_expr_to_decl): Drop third parameter.
3598         * langhooks.h (struct lang_hooks): Drop third parameter from
3599         expr_to_decl.
3600
3601 2008-04-23  Richard Guenther  <rguenther@suse.de>
3602
3603         PR tree-optimization/27799
3604         PR tree-optimization/32921
3605         PR tree-optimization/32624
3606         * tree-ssa-structalias.c (merge_smts_into): Only merge the
3607         SMTs aliases and the tag itself into the solution.
3608         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Do not
3609         merge the points-to solution back into the SMT aliases.
3610         (may_alias_p): Use alias_set_subset_of instead of
3611         aliases_conflict_p.  A pointer which points to
3612         memory with alias set zero may access any variable.
3613
3614 2008-04-23  Richard Guenther  <rguenther@suse.de>
3615
3616         * alias.c (alias_set_subset_of): Correctly handle asking
3617         if zero is a subset of an alias set with zero child.
3618         * tree-ssa-alias.c (have_common_aliases_p): Simplify logic.
3619         (compute_flow_insensitive_aliasing): Correctly walk all
3620         pointers.  Do not unnecessarily union sets.
3621
3622 2008-04-23  Richard Guenther  <rguenther@suse.de>
3623
3624         PR middle-end/36021
3625         * c-common.c (handle_alloc_size_attribute): Use type_num_arguments.
3626
3627 2008-04-22  Tomas Bily  <tbily@suse.cz>
3628
3629         * tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as
3630         unreachable case.
3631         * tree-vrp.c (extract_range_from_unary_expr): Removed unused
3632         NON_LVALUE_EXPR.
3633         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
3634         * tree-ssa-structalias.c (get_constraint_for): Likewise.
3635         * tree-inline.c (estimate_num_insns_1): Likewise.
3636         * varasm.c (const_hash_1, compare_constant, copy_constant)
3637         (compute_reloc_for_constant, output_addressed_constants): Likewise.
3638         * emit-rtl.c (component_ref_for_mem_expr)
3639         (set_mem_attributes_minus_bitpos): Likewise.
3640         * expr.c (highest_pow2_factor, expand_expr_real_1, )
3641         (is_aligning_offset): Likewise.
3642         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info): Likewise.
3643         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
3644         * dojump.c (do_jump): Likewise.
3645         * builtins.c (get_pointer_alignment, get_memory_rtx)
3646         (integer_valued_real_p, fold_builtin_next_arg): Likewise.
3647         * tree-scalar-evolution.c (instantiate_parameters_1): Likewise.
3648
3649 2008-04-23  Jakub Jelinek  <jakub@redhat.com>
3650
3651         PR rtl-optimization/36017
3652         * builtins.c (expand_errno_check): Clear CALL_EXPR_TAILCALL before
3653         expanding the library call.
3654
3655 2008-04-22  Ian Lance Taylor  <iant@google.com>
3656
3657         * fold-const.c (pointer_may_wrap_p): Call int_size_in_bytes rather
3658         than size_in_bytes.
3659
3660 2008-04-22  Pat Haugen  <pthaugen@us.ibm.com>
3661
3662         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase cost
3663         of LR/CTR moves for Power6.
3664
3665 2008-04-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
3666
3667         PR middle-end/36003
3668         * passes.c (init_optimization_passes): Remove
3669         pass_fast_rtl_byte_dce.
3670
3671 2008-04-22  Uros Bizjak  <ubizjak@gmail.com>
3672
3673         PR target/29096
3674         * config/i386/xmmintrin.h (_mm_cvtpi16_ps): Rearrange calls to
3675         builtin functions to generate faster code.
3676         (_mm_cvtpu16_ps): Ditto.
3677         (_mm_cvtpi32x2_ps): Ditto.
3678
3679 2008-04-22  Nick Clifton  <nickc@redhat.com>
3680
3681         * common.opt (ftree-loop-distribution): Add Optimization
3682         attribute.
3683
3684         * config/frv/frv.c (frv_stack_info): Use crtl instead of cfun.
3685         (frv_expand_builtin_va_start): Likewise.
3686
3687         * config/arm/arm.c (thumb_find_work_register): Fix location of
3688         argument register count.
3689
3690 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
3691
3692         Support scheduling for ColdFire V1 and V3 microarchitecture.
3693         Improve scheduling of multiplication instructions.
3694
3695         * config/m68k/m68k.md (cpu): Add cfv1 and cfv3.  Rename cf_v2 to cfv1.
3696         (mac): New instruction attribute.
3697         * config/m68k/m68k.c (override_options): Handle cfv1, cfv3 and mac.
3698         (m68k_sched_mac): New variable.
3699         (m68k_sched_attr_type2, m68k_sched_md_init_global): Update.
3700         Handle cfv1 and cfv3.
3701         (max_insn_size): New static variable.
3702         (struct _sched_ib): New type.
3703         (sched_ib): New static variable.
3704         (sched_ib_size, sched_ib_filled, sched_ib_insn): Convert variables
3705         to fields of 'struct _sched_ib sched_ib'.  Update all uses.
3706         (m68k_sched_variable_issue): Add modeling of cfv3 instruction buffer.
3707         Update.
3708         (m68k_sched_md_init_global, m68k_sched_md_finish_global,
3709         m68k_sched_md_init, m68k_sched_md_finish): Handle cfv1 and cfv3.  Init
3710         new variables.  Update.
3711         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
3712         Add modeling of cfv3 instruction buffer.  Update.
3713         * config/m68k/m68k-protos.h (m68k_sched_mac): Declare.
3714         * config/m68k/m68k.h (TUNE_CFV3): New macro.
3715         * config/m68k/cf.md: Change substrings 'cf_v2' to 'cfv12' or 'cfv123'.
3716         (cf_* reservations): Rename to cfv12 or cfv123 to indicate cores
3717         a particular reservation applies to.
3718         (type2): Reorganize attribute values.  Rename alu to alu_reg,
3719         alu_l to alu, move_l to omove.  Join move to alu.  Split mul
3720         to mul_l and mul_w.
3721         (cf_ib_*): Simplify description of instruction buffer.
3722         (cf_ib_w0, cf_ib_w4, cf_ib_w5, cf_ib_w6): Remove.
3723         (cf_mem): Split into cf_mem1 and cf_mem2.
3724         (cf_v2_move_??): Rename to cfv12_alu_??.
3725         (cf_v2_move_l_??): Rename to cfv12_omove_??.
3726         (cf_v2_mul_??): Remove reservations.
3727         (cfv12_mul_l_??, cfv12_mul_w_??, cfv12_mac_w_??, cfv12_mac_l_??,
3728         cfv12_emac_??, cfv12_emac_w_i0): New reservations.
3729         (cfv12_rts, cfv12_call, cfv12_bcc, cfv12_bra, cfv12_jmp): Move to
3730         appropriate place.
3731         (cfv3_alu_10, cfv3_omove_10, cfv3_alu_i0, cfv3_omove_i0, cfv3_alu_01,
3732         cfv3_alu_0i, cfv3_alu_11, cfv3_omove_11, cfv3_alu_i1, cfv3_omove_i1,
3733         cfv3_alu_1i, cfv3_omove_1i, cfv3_pea_11, cfv3_pea_i1, cfv3_mul_w_10,
3734         cfv3_mul_l_10, cfv3_mul_w_i0, cfv3_mac_w_10, cfv3_mac_l_10,
3735         cfv3_mac_w_i0, cfv3_emac_10, cfv3_emac_w_i0, cfv3_rts, cfv3_call,
3736         cfv3_bcc, cfv3_bra, cfv3_jmp): New reservations.
3737         (cfv3_*_1, cfv3_*_2, cfv3_*_3): New instruction reservations that are
3738         expansions of the above reservations for instructions of sizes
3739         1, 2 and 3 words.
3740
3741 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
3742
3743         * rtl-factoring.c (collect_patterns_seqs): Handle CC0 targets.
3744
3745 2008-04-21  Adam Nemet  <anemet@caviumnetworks.com>
3746
3747         * coverage.c: Include tree-pass.h.
3748         (coverage_counter_alloc): Print da_file_name to the dump file.
3749
3750 2008-04-21  Kenneth Zadeck  <zadeck@naturalbridge.com>
3751
3752         * sbitmap.c (sbitmap_range_empty_p): New function.
3753         * sbitmap.h (sbitmap_range_empty_p): New function.
3754         * bitmap.h: Now includes obstack.h.
3755
3756 2008-04-21  Richard Sandiford  <rsandifo@nildram.co.uk>
3757             Kenneth Zadeck  <zadeck@naturalbridge.com>
3758
3759         * dbgcnt.def (ra_byte_scan): Added.
3760         * dbgcnt.c (dbg_cnt): Added code to print message to dump_file
3761         when the last hit happens for a counter.
3762         * timevar.def (TV_DF_BYTE_LR): New variable.
3763         * tree-pass.h (pass_fast_rtl_byte_dce): New pass.
3764         * passes.c (pass_fast_rtl_byte_dce): New pass.
3765         * fwprop.c (update_df): Added mode to call df_ref_create.
3766         Renamed DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
3767         DF_REF_EXTRACT_OFFSET.
3768         * df.h (DF_BYTE_LR, DF_BYTE_LR_BB_INFO, DF_BYTE_LR_IN,
3769         DF_BYTE_LR_OUT, df_byte_lr): New macro.
3770         (df_mm): New enum.
3771         (df_ref_extract): Added mode field.
3772         (DF_REF_WIDTH, DF_REF_OFFSET) Renamed to DF_REF_EXTRACT_WIDTH and
3773         DF_REF_EXTRACT_OFFSET.
3774         (DF_REF_EXTRACT_MODE): New macro.
3775         (df_byte_lr_bb_info): New structure.
3776         (df_print_byte_regset, df_compute_accessed_bytes,
3777         df_byte_lr_add_problem, df_byte_lr_get_regno_start,
3778         df_byte_lr_get_regno_len, df_byte_lr_simulate_defs,
3779         df_byte_lr_simulate_uses,
3780         df_byte_lr_simulate_artificial_refs_at_top,
3781         df_byte_lr_simulate_artificial_refs_at_end,
3782         df_compute_accessed_bytes): New function.
3783         (df_ref_create): Add parameter.
3784         (df_byte_lr_get_bb_info): New inline function.
3785         * df-scan.c (df_ref_record, df_uses_record,
3786         df_ref_create_structure): Added mode parameter.
3787         (df_ref_create, df_notes_rescan, df_ref_record, df_def_record_1,
3788         df_defs_record, df_uses_record, df_get_conditional_uses,
3789         df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect,
3790         df_entry_block_defs_collect, df_exit_block_uses_collect):
3791         Added mode parameter to calls to df_ref_record, df_uses_record,
3792         df_ref_create_structure.
3793         (df_ref_equal_p, df_ref_compare): Added test for modes.
3794         (df_ref_create_structure): Added code to set mode.  Renamed
3795         DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
3796         DF_REF_EXTRACT_OFFSET.
3797         * df-core.c (df_print_byte_regset): New function.
3798         * df-byte-scan.c: New file.
3799         * df-problems.c (df_rd_transfer_function): Removed unnecessary
3800         calls to BITMAP_FREE.
3801         (df_byte_lr_problem_data, df_problem problem_BYTE_LR): New structure.
3802         (df_byte_lr_get_regno_start, df_byte_lr_get_regno_len,
3803         df_byte_lr_set_bb_info, df_byte_lr_free_bb_info,
3804         df_byte_lr_check_regs, df_byte_lr_expand_bitmap,
3805         df_byte_lr_alloc, df_byte_lr_reset, df_byte_lr_bb_local_compute,
3806         df_byte_lr_local_compute, df_byte_lr_init,
3807         df_byte_lr_confluence_0, df_byte_lr_confluence_n,
3808         df_byte_lr_transfer_function, df_byte_lr_free,
3809         df_byte_lr_top_dump, df_byte_lr_bottom_dump,
3810         df_byte_lr_add_problem, df_byte_lr_simulate_defs,
3811         df_byte_lr_simulate_uses,
3812         df_byte_lr_simulate_artificial_refs_at_top,
3813         df_byte_lr_simulate_artificial_refs_at_end): New function.
3814         * dce.c (byte_dce_process_block): New function.
3815         (dce_process_block): au is now passed in rather than computed
3816         locally.  Changed loops that look at artificial defs to not look
3817         for conditional or partial ones, because there never are any.
3818         (fast_dce): Now is able to drive byte_dce_process_block or
3819         dce_process_block depending on the kind of dce being done.
3820         (rest_of_handle_fast_dce): Add parameter to fast_dce.
3821         (rest_of_handle_fast_byte_dce): New function.
3822         (rtl_opt_pass pass_fast_rtl_byte_dce): New pass.
3823         * Makefile.in (df-byte-scan.o, debugcnt.o): Added dependencies.
3824
3825 2008-04-21  Daniel Franke  <franke.daniel@gmail.com>
3826
3827         PR fortran/35019
3828         * gcc.h: Added fortran options that take arguments to
3829         DEFAULT_SWITCH_TAKES_ARG and DEFAULT_WORD_SWITCH_TAKES_ARG
3830         macros.
3831
3832 2008-04-20  Eric Botcazou  <ebotcazou@adacore.com>
3833
3834         * tree-sra.c (sra_walk_expr) <VIEW_CONVERT_EXPR>: Disable
3835         scalarization if on the LHS and not a full access.
3836
3837 2008-04-20  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3838
3839         * Makefile.in (s-gtyp-input): Remove tmp-gi.list before writing it.
3840
3841 2008-04-18  Rafael Espindola  <espindola@google.com>
3842
3843         * tree-vrp.c (find_case_label_index): Fix the binary search.
3844         (find_case_label_range): New.
3845         (vrp_visit_switch_stmt): Use find_case_label_range.
3846         (simplify_switch_using_ranges): Use find_case_label_range.
3847
3848 2008-04-18  Eric Botcazou  <ebotcazou@adacore.com>
3849
3850         * gimplify.c (gimplify_modify_expr_rhs) <COND_EXPR>: Gimplify the LHS
3851         using the is_gimple_lvalue predicate instead of is_gimple_min_lval.
3852
3853 2008-04-18  Tom Tromey  <tromey@redhat.com>
3854
3855         PR libcpp/15500:
3856         * doc/cpp.texi (Implementation-defined behavior): Mention
3857         -finput-charset.
3858
3859 2008-04-18  Ian Lance Taylor  <iant@google.com>
3860
3861         * fold-const.c (pointer_may_wrap_p): New static function.
3862         (fold_comparison): Add another test for pointer overflow.  Use
3863         pointer_may_wrap_p to disable some false positives.
3864
3865 2008-04-18  Kris Van Hees <kris.van.hees@oracle.com>
3866
3867         * c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros.
3868         (fname_as_string): Match updated cpp_interpret_string prototype.
3869         (fix_string_type): Support char16_t* and char32_t*.
3870         (c_common_nodes_and_builtins): Add char16_t and char32_t (and
3871         derivative) nodes.  Register as builtin if C++0x.
3872         (c_parse_error): Support CPP_CHAR{16,32}.
3873         * c-common.h (RID_CHAR16, RID_CHAR32): New elements.
3874         (enum c_tree_index) <CTI_CHAR16_TYPE, CTI_SIGNED_CHAR16_TYPE,
3875         CTI_UNSIGNED_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_SIGNED_CHAR32_TYPE,
3876         CTI_UNSIGNED_CHAR32_TYPE, CTI_CHAR16_ARRAY_TYPE,
3877         CTI_CHAR32_ARRAY_TYPE>: New elements.
3878         (char16_type_node, signed_char16_type_node, unsigned_char16_type_node,
3879         char32_type_node, signed_char32_type_node, char16_array_type_node,
3880         char32_array_type_node): New defines.
3881         * c-lex.c (cb_ident): Match updated cpp_interpret_string prototype.
3882         (c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
3883         (lex_string): Support CPP_STRING{16,32}, match updated
3884         cpp_interpret_string and cpp_interpret_string_notranslate prototypes.
3885         (lex_charconst): Support CPP_CHAR{16,32}.
3886         * c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32}
3887         and CPP_STRING{16,32}.
3888
3889 2008-04-18  Paolo Bonzini  <bonzini@gnu.org>
3890
3891         PR bootstrap/35457
3892         * aclocal.m4: Regenerate.
3893         * configure: Regenerate.
3894
3895 2008-04-18  Jan Hubicka  <jh@suse.cz>
3896
3897         * except.c (dw2_size_of_call_site_table,
3898         sjlj_size_of_call_site_table): Use vector API for call_site_record.
3899
3900         * cgraphbuild.c (build_cgraph_edges): Update.
3901         * tree-pass.h: Update comment.
3902         * final.c (leaf_function_p): Update.
3903         (leaf_renumber_regs): Update.
3904         (rest_of_clean_state): Update.
3905         * omp-low.c (expand_omp_parallel): Update.
3906         * ipa-reference.c (analyze_function): Update.
3907         * reorg.c (find_end_label): Update.
3908         (optimize_skip): Update.
3909         (fill_simple_delay_slots): Update.
3910         (fill_simple_delay_slots): Update.
3911         (make_return_insns): Update.
3912         (dbr_schedule): Update.
3913         * gimple-low.c (record_vars_into): Update.
3914         * cfgbuild.c (make_edges): Update.
3915         * function.c (assign_stack_local): Update.
3916         (assign_parm_adjust_stack_rtl): Update.
3917         (locate_and_pad_parm): Update.
3918         (allocate_struct_function): Do not initialize stack_alignment_needed
3919         and preferred_stack_boundary here.
3920         (stack_protect_prologue): Update.
3921         (stack_protect_epilogue): Update.
3922         (expand_function_start): Initialize stack_alignment_needed,
3923         preferred_stack_boundary and max_jumptable_ents.
3924         (expand_function_end): Update.
3925         (free_after_compilation): Do not NULLify epilogue_delay_list.
3926         * function.h (struct rtl_data): Add stack_protect_guard,
3927         stack_alignment_needed,
3928         preferred_stack_boundary, epilogue_delay_list.
3929         (struct function): Remove value_histograms, stack_alignment_needed,
3930         preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
3931         last_label_uid,
3932         unexpanded_var_list, stack_protect_guard.
3933         (current_function_epilogue_delay_list): Remove.
3934         * ipa-type-escape.c (analyze_function): Update.
3935         * gimplify.c (pop_gimplify_context): Update comment.
3936         * calls.c (expand_call): Update.
3937         (emit_library_call_value_1): Update.
3938         * except.c (set_nothrow_function_flags): Update.
3939         * cfgexpand.c (get_decl_align_unit): Update.
3940         (create_stack_guard): Update.
3941         (estimated_stack_frame_size): Update.
3942         (expand_used_vars): Update.
3943         (tree_expand_cfg): Free histogram earliers, init expansion variables.
3944         * explow.c (allocate_dynamic_stack_space): Update.
3945         * tree-ssa-live.c (remove_unused_locals): Update.
3946         * varasm.c (mark_constant_pool): Update.
3947         * tree-inline.c (remap_decls): Update.
3948         (initialize_cfun): Update.
3949         (declare_return_variable): Update.
3950         (inline_forbidden_p): Update.
3951         (expand_call_inline): Update.
3952         (declare_inline_vars): Update.
3953         (tree_function_versioning): Update.
3954         * tree-flow.h (value_histograms): New.
3955         (VALUE_HISTOGRAMS): New macro.
3956         * basic-block.h (control_flow_graph): Add max_jumptable_ents,
3957         last_label_uid.
3958         * tree-cfg.c (set_bb_for_stmt): Update.
3959         (replace_by_duplicate_decl): Update.
3960         (move_block_to_fn): Update.
3961         (new_label_mapper): Update.
3962         (dump_function_to_file): Update.
3963         * ipa-struct-reorg.c (build_data_structure): Update.
3964         * cfgrtl.c (print_rtl_with_bb): Update.
3965         * reload1.c (reload): Update.
3966         (reload): Update.
3967         * config/i386/i386.c (setup_incoming_varargs_64,
3968         ix86_compute_frame_layout): Update.
3969         * config/arc/arc.c (arc_output_function_epilogue): Update.
3970
3971 2008-04-18  Marius Strobl <marius@FreeBSD.org>
3972
3973         * gthr-posix.h (__gthread_active_p): Use the Solaris implementation
3974         for FreeBSD as well.
3975         * gthr-posix95.h: Likewise.
3976
3977 2008-04-17  Richard Sandiford  <rsandifo@nildram.co.uk>
3978
3979         PR rtl-optimization/35838
3980         * dse.c (find_shift_sequence): Use subreg_lowpart_offset to work
3981         out the byte offset of the first subreg.
3982
3983 2008-04-17  Uros Bizjak  <ubizjak@gmail.com>
3984
3985         * config/i386/i386.md (addti3 splitter): Pass arrays of 3 operands
3986         to split_ti instead of three separate calls with single member arrays.
3987         (subti3 splitter): Ditto.
3988         (adddi3 splitter): Ditto with split_di.
3989         (subdi3 splitter): Ditto.
3990         (negti2 splitter): Pass arrays of 2 operands to split_ti instead of
3991         two separate calls with single member arrays.  Swap match_dup
3992         operands 1 and 2 to better fit into the array.
3993         (negdi2 splitter): Ditto with split_di.
3994         (movdfcc splitter):  Pass arrays of 2 operands to split_di instead of
3995         two separate calls with single member arrays.  Swap match_dup operands
3996         6 and 7 to better fit into the array.
3997
3998 2008-04-17  H.J. Lu  <hongjiu.lu@intel.com>
3999
4000         * config/i386/i386.c (sse_builtin_type): New.
4001         (bdesc_sse_args): Likewise.
4002         (bdesc_sse_3arg): Removed.
4003         (bdesc_2arg): Remove IX86_BUILTIN_AESKEYGENASSIST128.
4004         (bdesc_1arg): Remove IX86_BUILTIN_ROUNDPD and
4005         IX86_BUILTIN_ROUNDPS.
4006         (ix86_init_mmx_sse_builtins): Handle bdesc_sse_args.  Remove
4007         bdesc_sse_3arg.  Remove IX86_BUILTIN_ROUNDPD and
4008         IX86_BUILTIN_ROUNDPS.
4009         (ix86_expand_sse_4_operands_builtin): Removed.
4010         (ix86_expand_sse_operands_builtin): New.
4011         (ix86_expand_unop_builtin): Remove CODE_FOR_sse4_1_roundpd
4012         and CODE_FOR_sse4_1_roundps.
4013         (ix86_expand_builtin): Remove IX86_BUILTIN_AESKEYGENASSIST128.
4014         Handle bdesc_sse_args.  Remove bdesc_sse_3arg.
4015
4016 2008-04-17  Alan Modra  <amodra@bigpond.net.au>
4017
4018         PR target/35907
4019         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Restore vr and vrsave
4020         regs before frame pop when needed.  If use_backchain_to_restore_sp
4021         then load backchain into a temp reg to restore vr and vrsave.  Add
4022         code to restore vr after frame pop if possible.
4023
4024 2008-04-17  Richard Guenther  <rguenther@suse.de>
4025
4026         * tree-vn.c (expressions_equal_p): Do not check type
4027         equality or compatibility before calling operand_equal_p.
4028         * fold-const.c (operand_equal_p): Check equivalence of
4029         integer constants before bailing out due to signedness or
4030         precision differences.
4031         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ignore
4032         spurious differences in type qualification.  Ignore types
4033         for COMPONENT_REFs at all.
4034
4035 2008-04-17  Christian Bruel  <christian.bruel@st.com>
4036
4037         * config/sh/sh.c (expand_cbranchdi4): Use original operands for
4038         msw_skip comparison.
4039
4040 2008-04-16  Jakub Jelinek  <jakub@redhat.com>
4041
4042         PR c/35739
4043         * tree-nrv.c (tree_nrv): Don't optimize if result_type is GIMPLE
4044         reg type.
4045
4046         PR tree-optimization/35899
4047         * tree-inline.c (expand_call_inline): Use GIMPLE_STMT_OPERAND
4048         rather than TREE_OPERAND.
4049
4050 2008-04-16  Uros Bizjak  <ubizjak@gmail.com>
4051
4052         PR target/35944
4053         * config/i386/i386.md (fmodxf3): Copy operand 1 and operand 2 into
4054         temporary registers.  Change operand predicate to general_operand.
4055         (remainderxf3): Ditto.
4056
4057 2008-04-16  Richard Guenther  <rguenther@suse.de>
4058
4059         * Makefile.in (tree-affine.o): Add $(FLAGS_H) dependency.
4060         * tree-affine.c (aff_combination_expand): Look through some
4061         conversions.
4062
4063 2008-04-15  Doug Kwan  <dougkwan@google.com>
4064
4065         * dwarf2asm.c (dw2_assemble_integer): Cast to unsigned HOST_WIDE_INT
4066         for hex printing.
4067         * tree-pretty-print.c (dump_generic_node): Ditto.
4068         * final.c (output_addr_const): Ditto.
4069         * dwarf2out.c (output_cfi): Ditto.
4070         * c-pretty-print.c (pp_c_integer_constant): Ditto.
4071         * print-rtl.c (print_rtx): Ditto.
4072         * print-tree.c (print_node_brief, print_node): Ditto.
4073         * c-common.c (match_case_to_enum_1): Ditto.
4074         * sched-vis.c (print_value): Ditto.
4075         * config/i386/i386.c (print_operand): Cast to long unsigned int
4076         for hex printing.
4077
4078 2008-04-15  Danny Smith  <dannysmith@users.sourceforge.net>
4079         * libgcc2.c [L_trampoline]: Remove  unnecessary prototype for
4080         MS Windows VirtualProtect function.
4081
4082 2008-04-15  Jan Hubicka  <jh@suse.cz>
4083
4084         * gengtype.c (write_root): Param_is argument is OK.
4085         * expr.c (expand_expr_real_1): Update call of get_exception_*.
4086         * function.h: Include varray.h
4087         (rtl_eh): New stucture based on except.c one.
4088         (call_site_record): New forward declaration and vector type.
4089         * calls.c (emit_call_1): Do not call
4090         note_current_region_may_contain_throw.
4091         * except.c (eh_status): Remove cur_region, try_region since they are
4092         unused.
4093         Move filter, exc_ptr, ttype_data, ehspec_data, action_record_data and
4094         exception_handler_label_map, ehr_stackadj, ehr_handler, ehr_label,
4095         sjlj_fc, sjlj_exit_after to rth_eh in function.h.
4096         Remove call_site_data_used, call_site_data_size.
4097         Turn call_site_record into vector in function.h.
4098         (note_current_region_may_contain_throw): Remove.
4099         (get_exception_pointer, get_exception_filter): Do not take struct
4100         function argument; update.
4101         (add_ehl_entry, find_exception_handler_labels, ehspec_filter_hash,
4102         add_ttypes_entry, add_ehspec_entry, assign_filter_values,
4103         build_post_landing_pads, dw2_build_landing_pads,
4104         sjlj_assign_call_site_values, sjlj_mark_call_sites,
4105         sjlj_emit_function_enter, sjlj_emit_function_enter,
4106         sjlj_emit_function_exit, sjlj_emit_dispatch_table,
4107         sjlj_build_landing_pads, finish_eh_generation,
4108         remove_exception_handler_label, remove_eh_handler,
4109         maybe_remove_eh_handler, add_reachable_handler,
4110         reachable_handlers, expand_builtin_eh_return, expand_eh_return,
4111         add_action_record, collect_one_action_chain, add_call_site,
4112         convert_to_eh_region_ranges, sjlj_size_of_call_site_table,
4113         sjlj_output_call_site_table, output_function_exception_table,
4114         * except.h (note_current_region_may_contain_throw): Remove
4115         (get_exception_pointer, get_exception_filter): Do not take struct
4116         function argument.
4117         * Makefile.in (GTFILES): Put varargs before struct function.
4118
4119 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
4120
4121         * tree-ssa-structalias.c (get_constraint_for_component_ref): Do not
4122         punt for STRING_CST.
4123         (get_constraint_for): Deal with STRING_CST here instead.
4124
4125 2008-04-15  Richard Guenther  <rguenther@suse.de>
4126
4127         * tree-ssa-propagate.c (substitute_and_fold): Substitute
4128         statements in a basic-block with a backward walk.  Do not
4129         substitute into dead statements but instead remove those.
4130
4131 2008-04-15  Richard Guenther  <rguenther@suse.de>
4132
4133         * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Set default
4134         to zero, thus disable creation of SFTs.
4135
4136 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
4137
4138         * tree-predcom.c (suitable_reference_p): Return false if the
4139         reference can throw.
4140
4141 2008-04-15  Jakub Jelinek  <jakub@redhat.com>
4142
4143         PR c/35751
4144         * c-decl.c (finish_decl): If extern or static var has variable
4145         size, set TREE_TYPE (decl) to error_mark_node.
4146
4147 2008-04-15  Rafael Espindola  <espindola@google.com>
4148
4149         * fold-const.c (tree_call_nonnegative_warnv_p): Remove local
4150         variable arg1.
4151
4152 2008-04-15  Richard Guenther  <rguenther@suse.de>
4153
4154         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
4155         * tree-ssa-sccvn.c (vn_reference_lookup): New parameter maywalk.
4156         (visit_reference_op_load): Do walk vuse-vdef chains on
4157         vn_reference_lookup.
4158         (visit_reference_op_store): But do not here.
4159         * tree-vn.c (vn_lookup): Do not walk vuse-vdef chains on
4160         vn_reference_lookup.
4161         (vn_lookup_with_vuses): But do so here.
4162
4163 2008-04-14  Ian Lance Taylor  <iant@google.com>
4164
4165         * fold-const.c (fold_overflow_warning): Remove assertion.
4166
4167 2008-04-15  Ben Elliston  <bje@au.ibm.com>
4168
4169         * config/alpha/alpha.c (alpha_initialize_trampoline): Remove temp,
4170         temp1 local variables.
4171
4172 2008-04-15  Zuxy Meng  <zuxy.meng@gmail.com>
4173
4174         PR target/35661
4175         * config/i386/winnt.c (i386_pe_section_type_flags): Mark
4176         ".text.unlikely" section as executable.
4177
4178 2008-04-14  James E. Wilson  <wilson@tuliptree.org>
4179
4180         * config/ia64/ia64.c (rtx_needs_barrier): Handle
4181         UNSPEC_FR_SQRT_RECIP_APPROX_RES.
4182         * config/ia64/ia64.c (UNSPEC_FR_SQRT_RECIP_APPROX_RES): Define.
4183         (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr,
4184         divsf3_internal_lat, sqrt_approx, sqrtsf2_internal_thr,
4185         divdf3_internal_lat, sqrtdf2_internal_thr, divxf3_internal_lat,
4186         divxf3_internal_thr, sqrtxf2_internal_thr, recip_approx): Use it.
4187
4188 2008-04-14  Ian Lance Taylor  <iant@google.com>
4189
4190         * flags.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Define.
4191         * fold-const.c (fold_comparison): If appropriate, test
4192         POINTER_TYPE_OVERFLOW_UNDEFINED, and issue an overflow warning.
4193         (fold_binary): Test POINTER_TYPE_OVERFLOW_UNDEFINED when
4194         reassociating a pointer type.
4195         * doc/invoke.texi (Optimize Options): Document that
4196         -fstrict-overflow applies to pointer wraparound.
4197
4198 2008-04-13  Jan Hubicka  <jh@suse.cz>
4199
4200         * m32.c (m32c_pushm_popm): Use crtl->retrun_rtx.
4201
4202 2008-04-12  Andrew Pinski  <pinskia@gmail.com>
4203
4204         * config/rs6000/rs6000.c (compute_save_world_info): Set lr_save_p if
4205         we are going to "save the world".
4206
4207 2008-04-13  Hans-Peter Nilsson  <hp@axis.com>
4208
4209         * config/cris/cris.md ("*andhi_lowpart_non_v32", "*andhi_lowpart_v32")
4210         ("*andqi_lowpart_non_v32", "*andqi_lowpart_v32"): Use "+" for the
4211         operand 0 constraint, not "=".
4212
4213 2008-04-11  James E. Wilson  <wilson@tuliptree.org>
4214
4215         * system.h: Change ASSERT_CHECKING to ENABLE_ASSERT_CHECKING.
4216
4217 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
4218
4219         * dse.c (record_store): Use HOST_BITS_PER_WIDE_INT instead
4220         of size of positions_needed * CHAR_BIT.
4221
4222 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
4223
4224         PR middle-end/35897
4225         * dse.c (store_info): Change positions_needed to unsigned
4226         HOST_WIDE_INT.
4227         (lowpart_bitmask): New.
4228         (record_store): Cast to unsigned HOST_WIDE_INT for
4229         positions_needed.  Assert width <= size of positions_needed *
4230         CHAR_BIT.  Call lowpart_bitmask to initialize positions_needed.
4231         (check_mem_read_rtx): Use unsigned HOST_WIDE_INT on mask.  Call
4232         lowpart_bitmask to set mask.
4233
4234 2008-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
4235
4236         * config/bfin/constraints.md: New file.
4237         * config/bfin/bfin.md: Include it.
4238         (adddi3): Use satisfies_constraint functions instead of the old macros.
4239         * config/bfin/bfin.h (REG_CLASS_FROM_LETTER, CONSTRAINT_LEN,
4240         CONST_18UBIT_IMM_P, CONST_16BIT_IMM_P, CONST_16UBIT_IMM_P,
4241         CONST_7BIT_IMM_P, CONST_7NBIT_IMM_P, CONST_5UBIT_IMM_P,
4242         CONST_4BIT_IMM_P, CONST_4UBIT_IMM_P, CONST_3BIT_IMM_P,
4243         CONST_3UBIT_IMM_P, CONST_OK_FOR_K, CONST_OK_FOR_P, CONST_OK_FOR_M,
4244         CONST_OK_FOR_CONSTRAINT_P, CONST_DOUBLE_OK_FOR_LETTER,
4245         EXTRA_CONSTRAINT): Delete.
4246         * config/bfin/predicates.md (highbits_operand, reg_or_7bit_operand,
4247         reg_or_neg7bit_operand): Use satisfies_constraint functions instead
4248         of the old macros.
4249         * config/bfin/bfin.c: Include "tm-constrs.h".
4250         (bfin_secondary_reload, split_load_immediate, bfin_rtx_costs):
4251         Use satisfies_constraint functions instead of the old macros.
4252         * doc/md.texi (Blackfin Constraints): Update file name reference.
4253
4254 2008-04-11  Richard Guenther  <rguenther@suse.de>
4255
4256         PR tree-optimization/35869
4257         * tree-vrp.c (execute_vrp): Move switch statement update after
4258         jump threading.  Schedule another cfg cleanup run.
4259
4260 2008-04-11  Volker Reichelt  <v.reichelt@netcologne.de>
4261
4262         PR c/35744
4263         * attribs.c (decl_attributes): Return early on errorneous node.
4264
4265 2008-04-10  Oleg Ryjkov  <olegr@google.com>
4266
4267         * tree.h (struct tree_base): Added a new flag default_def_flag.
4268         (SSA_NAME_IS_DEFAULT_DEF): Changed to use the new flag.
4269
4270 2008-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
4271
4272         * config.gcc (need_64bit_hwint): Need 64bit hwint for sh-*-*.
4273
4274 2008-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4275
4276         PR target/35768
4277         * pa.md: Define mode iterator P.  Define mode attribute dwc.
4278         (dcacheflush): Update pattern to use iterator P and attribute dwc.
4279         (icacheflush): Likewise.
4280         * pa.h (INITIALIZE_TRAMPOLINE): Use dcacheflushsi/icacheflushsi if
4281         !TARGET_64BIT, and dcacheflushdi/icacheflushdi if TARGET_64BIT.
4282
4283 2008-04-11  Ben Elliston  <bje@au.ibm.com>
4284
4285         * config/spu/spu.c (spu_init_builtins): Mark builtins as nothrow.
4286
4287 2008-04-10  Rafael Espindola  <espindola@google.com>
4288
4289         * tree-vrp.c (extract_range_from_binary_expr): Don't handle
4290         TRUTH_ANDIF_EXPR or TRUTH_ORIF_EXPR.
4291         (extract_range_from_expr): The same.
4292
4293 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
4294
4295         * config/mips/mips.md (GPR2): New mode iterator.
4296         (seq): Add comment.
4297         (*seq_<mode>, *seq_<mode>_mips16, *sne_<mode>, *sgt<u>_<mode>,
4298         *sgt<u>_<mode>_mips16, *sge<u>_<mode>, *slt<u>_<mode>,
4299         *slt<u>_<mode>_mips16 *sle<u>_<mode>, *sle<u>_<mode>_mips16):
4300         Rewrite these to take two modes, the mode of comparison and the
4301         mode of the destination.
4302         * config/mips/mips.c (mips_expand_scc): Instead of having
4303         paradoxical subreg as destination, expand "narrowing" scc if mode
4304         of comparison is SI and target is requested in DI mode.
4305         (mips_emit_int_order_test): Update comment.  Make mode of
4306         comparison match CMP0 rather than TARGET.  When creating inverse
4307         target use mode of TARGET.
4308
4309 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
4310
4311         * gcov-dump.c (tag_summary): Only print summaries for the first
4312         GCOV_COUNTERS_SUMMABLE counters.
4313
4314 2008-04-10  Uros Bizjak  <ubizjak@gmail.com>
4315
4316         * config/i386/i386.md (absneg): New code iterator.
4317         (absnegprefix): New code attribute.
4318         (<code><mode>2): Macroize expander from abs<mode>2 and neg<mode>2
4319         patterns using absneg code iterator.
4320         (<code>tf2): Macroize expander from abstf2 and negtf2 patterns
4321         using absneg code iterator.
4322         (*<code><mode>2_1): Macroize insn pattern from *abs<mode>2_1 and
4323         *neg<mode>2 patterns using absneg code iterator.
4324         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
4325         *negextendsfdf2 patterns using absneg code iterator.
4326         (*<code>extendsfxf2): Macroize insn pattern from *absextendsfxf2 and
4327         *negextendsfxf2 patterns using absneg code iterator.
4328         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
4329         *negextendsfdf2 patterns using absneg code iterator.
4330         * config/i386/sse.md (<code><mode>2): Macroize expander from
4331         abs<mode>2 and neg<mode>2 patterns using absneg code iterator.
4332
4333 2008-04-10  Andreas Krebbel  <krebbel1@de.ibm.com>
4334
4335         * config/s390/s390.h: Remove the remains of the recent search
4336         & replace action of current_function_outgoing_args_size.
4337
4338 2008-04-10  Ira Rosen  <irar@il.ibm.com>
4339
4340         PR tree-optimization/35821
4341         * tree-vect-transform.c (vect_create_data_ref_ptr): Add check that
4342         NEW_STMT_LIST is not NULL.
4343
4344 2008-04-09  David Edelsohn  <edelsohn@gnu.org>
4345
4346         PR libstdc++/35597
4347         * toplev.c (process_options): Remove -ffunction-sections debugging
4348         warning.
4349
4350 2008-04-09  Peter Bergner  <bergner@vnet.ibm.com>
4351
4352         PR middle-end/PR28690
4353         * explow.c (break_out_memory_refs): Use simplify_gen_binary rather
4354         than gen_rtx_fmt_ee to perform more canonicalizations.
4355
4356 2008-04-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4357
4358         PR driver/35665
4359         * collect2.c (write_c_file): Don't wrap in "#ifdef __cplusplus".
4360
4361 2008-04-09  Richard Guenther  <rguenther@suse.de>
4362
4363         * tree-cfg.c (verify_stmt): Print complete bogus stmt.
4364         (dump_function_to_file): Dump function arguments with types.
4365
4366 2008-04-08  Richard Guenther  <rguenther@suse.de>
4367
4368         * fold-const.c (fold_widened_comparison): Do not allow
4369         sign-changes that change the result.
4370
4371 2008-04-08  Janis Johnson  <janis187@us.ibm.com>
4372
4373         PR target/35839
4374         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle additional
4375         kinds of indirect references.
4376
4377 2008-04-08  David Edelsohn  <edelsohn@gnu.org>
4378
4379         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update
4380         GNU Fortran language string.
4381
4382 2008-04-08  Rafael Espindola  <espindola@google.com>
4383
4384         * fold-canst.c (tree_call_nonnegative_warnv_p): New.
4385         (tree_invalid_nonnegative_warnv_p): Use tree_call_nonnegative_warnv_p.
4386         * tree.h (tree_call_nonnegative_warnv_p): New.
4387
4388 2008-04-08  Jan Hubicka  <jh@suse.cz>
4389
4390         * function.c (free_after_compilation): Clear out regno_reg_rtx
4391         pointer.
4392
4393 2008-04-08  Peter Bergner  <bergner@vnet.ibm.com>
4394
4395         Revert
4396         2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
4397
4398         PR middle-end/PR28690
4399         * rtlanal.c: (commutative_operand_precedence): Give SYMBOL_REF's the
4400         same precedence as REG_POINTER and MEM_POINTER operands.
4401
4402 2008-04-08  Richard Guenther  <rguenther@suse.de>
4403
4404         PR middle-end/35834
4405         * tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR
4406         for adding index to base.
4407
4408 2008-04-08  Kai Tietz  <kai.tietz@onevision.com>
4409
4410         * config/i386/mingw32.h (ENABLE_EXECUTE_STACK): New.
4411         (MINGW_ENABLE_EXECUTE_STACK): New.
4412         (IN_LIBGCC2): For libgcc include windows.h file for
4413         function declarations.
4414
4415 2008-04-08  Hans-Peter Nilsson  <hp@axis.com>
4416
4417         * config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1
4418         and tem2 if tem1 is not a REG or MULT.
4419
4420 2008-04-08  Jan Hubicka  <jh@suse.cz>
4421
4422         * function.h (incomming_args): Break out of struct function.
4423         (function_subsections): Break out of struct function.
4424         (rtl_data): Add args, subsections fields. Break out outgoing_args_size,
4425         return_rtx and hard_reg_initial_vals from struct function.
4426         Kill inl_max_label_num.
4427         (current_function_pops_args, current_function_args_info,
4428         current_function_args_size, current_function_args_size,
4429         current_function_pretend_args_size,
4430         current_function_outgoing_args_size,
4431         current_function_internal_arg_pointer, current_function_return_rtx):
4432         Kill compatibility accestor macros.
4433         * builtins.c (expand_builtin_apply_args_1): Update.
4434         (expand_builtin_next_arg): Update.
4435         * df-scan.c (df_get_call_refs): Update.
4436         * dbxout.c (dbxout_function_end): Update.
4437         * dwarf2out.c (dwarf2out_switch_text_section): Update.
4438         (output_line_info): Update.
4439         (secname_for_decl): Update.
4440         (dwarf2out_var_location): Update.
4441         * function.c (free_after_compilation): Update.
4442         (assign_parm_find_stack_rtl): Update.
4443         (assign_parms): Update.
4444         (expand_dummy_function_end): Update.
4445         (expand_function_end): Update.
4446         * calls.c (mem_overlaps_already_clobbered_arg_p): Update.
4447         (expand_call): Update.
4448         (emit_library_call_value_1): Update.
4449         (store_one_arg): Update.
4450         * varasm.c (initialize_cold_section_name): Update.
4451         (unlikely_text_section): Update.
4452         (unlikely_text_section_p): Update.
4453         (assemble_start_function): Update.
4454         (assemble_end_function): Update.
4455         (default_section_type_flags): Update.
4456         (switch_to_section): Update.
4457         * integrate.c (set_decl_abstract_flags): Update.
4458         (get_hard_reg_initial_val): Update.
4459         (has_hard_reg_initial_val): Update.
4460         (allocate_initial_values): Update.
4461         * resource.c (init_resource_info): Update.
4462         * config/alpha/alpha.c (NUM_ARGS): Update.
4463         (direct_return): Update.
4464         (alpha_va_start): Update.
4465         (alpha_sa_size): Update.
4466         (alpha_initial_elimination_offset): Update.
4467         (alpha_expand_prologue): Update.
4468         (alpha_start_function): Update.
4469         (alpha_expand_epilogue): Update.
4470         (unicosmk_initial_elimination_offset):
4471         * config/alpha/alpha.md (call expander): Update.
4472         * config/s390/s390.c (s390_register_info): Update.
4473         (s390_register_info): Update.
4474         (s390_frame_info): Update.
4475         (s390_initial_elimination_offset): Update.
4476         (s390_build_builtin_va_list): Update.
4477         (s390_va_start): Update.
4478         * config/spu/spu.c (direct_return): Update.
4479         (spu_expand_prologue): Update.
4480         (spu_initial_elimination_offset): Update.
4481         (spu_build_builtin_va_list): Update.
4482         (spu_va_start): Update.
4483         * config/sparc/sparc.c (sparc_init_modes): Update.
4484         (sparc_compute_frame_size): Update.
4485         (function_value): Update.
4486         * config/m32r/m32r.c (m32r_compute_frame_size): Update.
4487         * config/i386/i386.md (return expander): Update.
4488         * config/i386/i386.c (ix86_va_start): Update.
4489         (ix86_can_use_return_insn_p): Update.
4490         (ix86_compute_frame_layout): Update.
4491         (ix86_expand_epilogue): Update.
4492         * config/sh/sh.c (output_stack_adjust): Update.
4493         (calc_live_regs): Update.
4494         (sh_expand_prologue): Update.
4495         (sh_builtin_saveregs): Update.
4496         (sh_va_start): Update.
4497         (initial_elimination_offset): Update.
4498         (sh_allocate_initial_value): Update.
4499         (sh_function_ok_for_sibcall): Update.
4500         (sh_get_pr_initial_val): Update.
4501         * config/sh/sh.md (return expander): Update.
4502         * config/avr/avr.c (frame_pointer_required_p): UPdate.
4503         * config/crx/crx.c (crx_compute_frame): UPdate.
4504         (crx_initial_elimination_offset): UPdate.
4505         * config/xtensa/xtensa.c (compute_frame_size): Update
4506         (xtensa_builtin_saveregs): Update.
4507         (xtensa_va_start): Update.
4508         (order_regs_for_local_alloc): Update.
4509         * config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update.
4510         (xstormy16_expand_builtin_va_start): Update.
4511         * config/fr30/fr30.c (fr30_compute_frame_size): Update.
4512         * config/m68hc11/m68hc11.md (return expanders): Update.
4513         * config/m68hc11/m68hc11.c (expand_prologue): Update.
4514         (expand_epilogue): Update.
4515         * config/cris/cris.c (cris_initial_frame_pointer_offset): Update.
4516         (cris_simple_epilogue): Update.
4517         (cris_expand_prologue): Update.
4518         (cris_expand_epilogue): Update.
4519         * config/iq2000/iq2000.c (iq2000_va_start): Update.
4520         (compute_frame_size): Update.
4521         * config/mt/mt.c (mt_compute_frame_size): Update.
4522         * config/mn10300/mn10300.c (expand_prologue): Update.
4523         (expand_epilogue): Update.
4524         (initial_offset): Update.
4525         (mn10300_builtin_saveregs):
4526         * config/mn10300/mn10300.md (return expander): Update.
4527         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
4528         (ia64_initial_elimination_offset): Update.
4529         (ia64_initial_elimination_offset): Update.
4530         (ia64_expand_prologue): Update.
4531         * config/m68k/m68k.md (return expander): Update.
4532         * config/rs6000/rs6000.c (rs6000_va_start): Update.
4533         (rs6000_stack_info): Update.
4534         * config/mcore/mcore.c (layout_mcore_frame): Update.
4535         (mcore_expand_prolog): Update.
4536         * config/arc/arc.c (arc_compute_frame_size): Update.
4537         * config/score/score3.c (score3_compute_frame_size): Update.
4538         * config/score/score7.c (score7_compute_frame_size): Update.
4539         * config/arm/arm.c (use_return_insn): Update.
4540         (thumb_find_work_register): Update.
4541         (arm_compute_save_reg_mask): Update.
4542         (arm_output_function_prologue): Update.
4543         (arm_output_epilogue): Update.
4544         (arm_size_return_regs): Update.
4545         (arm_get_frame_offsets): Update.
4546         (arm_expand_prologue): Update.
4547         (thumb_exit): Update.
4548         (thumb_unexpanded_epilogue): Update.
4549         (thumb1_output_function_prologue): Update.
4550         * config/pa/pa.md (return expander): Update.
4551         * config/pa/pa.c (compute_frame_size): Update.
4552         (hppa_builtin_saveregs): Update.
4553         * config/mips/mips.c (mips_va_start): Update.
4554         (mips16_build_function_stub): Update.
4555         (mips_compute_frame_info): Update.
4556         (mips_restore_gp): Update.
4557         (mips_output_function_prologue): Update.
4558         (mips_expand_prologue): Update.
4559         * config/v850/v850.c (compute_frame_size): Update.
4560         (expand_prologue): * config/mmix/mmix.c (along): update.
4561         (mmix_initial_elimination_offset): update.
4562         (mmix_reorg): update.
4563         (mmix_use_simple_return): update.
4564         (mmix_expand_prologue): update.
4565         (mmix_expand_epilogue): Update.
4566         * config/bfin/bfin.c (bfin_initial_elimination_offset): Update.
4567         (emit_link_insn): Update.
4568
4569 2008-04-08  Anatoly Sokolov <aesok@post.ru>
4570
4571         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define
4572         __AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL
4573         instructions.
4574         * config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for
4575         atmega103 device.
4576
4577 2008-04-07  Jan Hubicka  <jh@suse.cz>
4578
4579         * function.h (rtl): Rename to x_rtl.
4580         (crtl): New define.
4581         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
4582         frame_offset, stack_check_probe_note, arg_pointer_save_area,
4583         used_temp_slots avail_temp_slots, temp_slot_level,
4584         nonlocal_goto_handler_labels): Update accesstors.
4585         (rtl): New global variable.
4586         (struct function): Move some fileds to rtl_data.
4587         (get_arg_pointer_save_area): Update prototype.
4588         * builtins.c (expand_builtin_setjmp_receiver): Update call of
4589         get_arg_pointer_save_area.
4590         * expr.c (init_expr): Update
4591         * function.c (get_frame_size): Update
4592         (assign_stack_local): Update
4593         (expand_function_end): Update.
4594         (get_art_pointer_save_area): Update
4595         * function.h
4596         * emit-rtl.c (rtl): Declare.
4597         (regno_reg_rtx): Declare.
4598         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
4599         Update.
4600         (gen_reg_rtx): Update.
4601         * varasm.c (n_deferred_constatns): Update accestor.
4602         (init_varasm_status): Do not allocate varasm_status.
4603         (force_const_mem, get_pool_size, output_constant_pool): Update.
4604         * stmt.c (force_label_rtx): Do not use x_ prefixes.
4605         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
4606         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
4607         * sparc/sparc.h (INIT_EXPANDERS): Update.
4608         * ia64/ia64.h (INIT_EXPANDERS): Update.
4609
4610 2008-04-07  James E. Wilson  <wilson@tuliptree.org>
4611
4612         * reload.c (push_secondary_reload): Add missing break to for loop.
4613
4614 2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
4615
4616         PR middle-end/PR28690
4617         * rtlanal.c: Update copyright years.
4618         (commutative_operand_precedence): Give SYMBOL_REF's the same precedence
4619         as REG_POINTER and MEM_POINTER operands.
4620         * emit-rtl.c (gen_reg_rtx_and_attrs): New function.
4621         (set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
4622         * rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
4623         * gcse.c: Update copyright years.
4624         (pre_delete): Call gen_reg_rtx_and_attrs.
4625         (hoist_code): Likewise.
4626         (build_store_vectors): Likewise.
4627         (delete_store): Likewise.
4628         * loop-invariant.c (move_invariant_reg): Likewise.
4629         Update copyright years.
4630
4631 2008-04-07  Uros Bizjak  <ubizjak@gmail.com>
4632
4633         * config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
4634         control string instead of quoted.
4635
4636 2008-04-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
4637
4638         * doc/rtl.texi: Rewrite of subreg section.
4639
4640 2008-04-07  Kai Tietz  <kai.tietz@onevision.com>
4641
4642         PR/35842
4643         * config/i386/i386.c (legitimize_pic_address): Add treating
4644         of dllimport SYM_REF's.
4645         (legitimize_dllimport_symbol): Add prototype.
4646
4647 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
4648
4649         * fold-const.c (fold) <ARRAY_REF>: New case.  Try to fold constant
4650         reference in constructor with non self-referential type.
4651
4652 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
4653
4654         Removal of Return with Depressed Stack Pointer support
4655         * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
4656         (ECF_SP_DEPRESSED): Likewise.
4657         (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
4658         * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
4659         (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
4660         (expand_call): Do not test ECF_SP_DEPRESSED.
4661         * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
4662         * function.c (keep_stack_depressed): Delete.
4663         (handle_epilogue_set): Likewise.
4664         (update_epilogue_consts): Likewise.
4665         (emit_equiv_load): Likewise.
4666         (thread_prologue_and_epilogue_insns): Remove support for Return with
4667         Depressed Stack Pointer.
4668         * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
4669
4670 2008-04-06  Richard Guenther  <rguenther@suse.de>
4671
4672         PR tree-optimization/35400
4673         * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
4674         information from SSA_NAMEs.
4675
4676 2008-04-06  Anatoly Sokolov <aesok@post.ru>
4677
4678         * config/avr/avr.h (avr_mega_p): Remove declaration.
4679         (AVR_MEGA): Remove macro.
4680         * config/avr/avr.c (avr_mega_p): Remove variable.
4681         (avr_override_options): Remove inicializion of avr_mega_p.
4682         Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
4683         (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
4684         (avr_jump_mode): (Ditto.).
4685         (avr_output_progmem_section_asm_op): (Ditto.).
4686         (avr_asm_init_sections): (Ditto.).
4687         (avr_asm_init_sections): (Ditto.).
4688         (avr_rtx_costs): (Ditto.).
4689         * config/avr/avr.md: (Ditto.).
4690         * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of
4691         '__AVR_MEGA__'.
4692
4693 2008-04-06  Richard Guenther  <rguenther@suse.de>
4694
4695         PR tree-optimization/35842
4696         * tree-ssa-address.c (fixed_address_object_p): Adjust to match
4697         is_gimple_invariant_address.
4698
4699 2008-04-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
4700
4701         * gcc.c (default_compilers): Sync Fortran extensions list with
4702         that in fortran/lang-specs.h.
4703         * doc/invoke.texi: Likewise.
4704         * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
4705         * dwarf2out.c (gen_compile_unit_die): Likewise.
4706
4707 2008-04-06  Tom G. Christensen  <tgc@jupiterrise.com>
4708
4709         * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
4710
4711 2008-04-05  Uros Bizjak  <ubizjak@gmail.com>
4712
4713         PR target/12329
4714         * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
4715         attribute is used for nested functions.
4716
4717 2008-04-05  Jan Hubicka  <jh@suse.cz>
4718
4719         * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
4720
4721         * tree-dump.c (dump_enable_all): Remove prototype; do not accept
4722         letter argument.
4723         (dump_files): Update.
4724         (enable_rtl_dump_file): Do not accept letter argument.
4725         * tree-pass.h (dump_file_info): Remove letter argument.
4726         * toplev.c (decode_d_option): Update -da handling.
4727         * toplev.h (enable_rtl_dump_file): Update prototype.
4728         * passes.c (register_one_dump_file): Do not accept IPA argument; work
4729         it out based on pass type.
4730         (register_dump_files_1): Likewise.
4731         (init_optimization_passes): Update register_one_dump_file calls.
4732         (execute_one_pass): Sanity check that IPA passes are called at IPA
4733         level and RTL passes at RTL level.
4734         (execute_pass_list): IPA pass can not be after or subpass of
4735         GIMPLE/RTL pass.
4736         (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
4737         disallov RTL subpasses of IPA subpasses.
4738
4739 2008-04-05  Ben Elliston  <bje@au.ibm.com>
4740
4741         * tree-cfg.c (need_fake_edge_p): Return false for calls to
4742         builtins that return exactly once and do not throw. Cache call to
4743         call_expr_flags.
4744
4745 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
4746
4747         PR rtl-optimization/34916
4748         PR middle-end/35519
4749         * combine.c (create_log_links): Do not create duplicate LOG_LINKS
4750         between instruction pairs.
4751
4752 2008-04-04  Naveen.H.S  <naveen.hs@kpitcummins.com>
4753
4754         * doc/invoke.texi: Document -mbitops for SH.
4755         * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
4756         * config/sh/predicates.md (bitwise_memory_operand): New predicate.
4757         * config/sh/sh.c (print_operand): Add %t operand code.
4758         * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
4759         * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
4760         (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
4761         (extendqihi2): Likewise.
4762         (movqi_i): Likewise.
4763         (insv): Use bset, bclr and bst instructions for SH2A if possible.
4764         (extv): Use bld instruction for SH2A if possible.
4765         (extzv): Likewise.
4766         (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
4767         bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
4768         bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
4769         (bset.b, bclr.b): Define peepholes.
4770         * config/sh/sh.opt (mbitops): New option.
4771
4772 2008-04-04  Janis Johnson  <janis187@us.ibm.com>
4773
4774         PR target/35620
4775         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
4776         and view convert expression.
4777
4778 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
4779
4780         PR target/35364
4781         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
4782
4783 2008-04-04  H.J. Lu  <hongjiu.lu@intel.com>
4784
4785         * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
4786
4787         * config/i386/cpuid.h (bit_AES): New.
4788         (bit_PCLMUL): Likewise.
4789
4790         * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
4791         (override_options): Handle PTA_AES and PTA_PCLMUL.  Enable
4792         SSE2 if AES or PCLMUL is enabled.
4793         (ix86_builtins): Add IX86_BUILTIN_AESENC128,
4794         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
4795         IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
4796         IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
4797         (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
4798         (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
4799         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
4800         IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
4801         (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
4802         (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
4803         __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
4804         __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
4805         __builtin_ia32_aeskeygenassist128 and
4806         __builtin_ia32_pclmulqdq128.
4807         * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
4808         (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
4809         IX86_BUILTIN_PSRLDQI128.  Handle IX86_BUILTIN_AESKEYGENASSIST128.
4810
4811         * config/i386/i386.h (TARGET_AES): New.
4812         (TARGET_PCLMUL): Likewise.
4813         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
4814
4815         * config/i386/i386.md (UNSPEC_AESENC): New.
4816         (UNSPEC_AESENCLAST): Likewise.
4817         (UNSPEC_AESDEC): Likewise.
4818         (UNSPEC_AESDECLAST): Likewise.
4819         (UNSPEC_AESIMC): Likewise.
4820         (UNSPEC_AESKEYGENASSIST): Likewise.
4821         (UNSPEC_PCLMUL): Likewise.
4822
4823         * config/i386/i386.opt (maes): New.
4824         (mpclmul): Likewise.
4825
4826         * config/i386/sse.md (aesenc): New pattern.
4827         (aesenclast): Likewise.
4828         (aesdec): Likewise.
4829         (aesdeclast): Likewise.
4830         (aesimc): Likewise.
4831         (aeskeygenassist): Likewise.
4832         (pclmulqdq): Likewise.
4833
4834         * config/i386/wmmintrin.h: New.
4835
4836         * doc/extend.texi: Document AES and PCLMUL built-in function.
4837
4838         * doc/invoke.texi: Document -maes and -mpclmul.
4839
4840 2008-04-04  Paolo Bonzini  <bonzini@gnu.org>
4841
4842         * function.c (free_after_parsing): Replace with
4843         cxx_push_function_context from C++ front-end.
4844         (allocate_struct_function): Don't call langhook.
4845         * langhooks.h (struct lang_hooks_for_functions): Delete.
4846         (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
4847         member "function".
4848         * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
4849         (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
4850         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
4851         LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
4852         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
4853         remove LANG_HOOKS_FUNCTION_INITIALIZER.
4854         * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
4855
4856         * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
4857         Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
4858
4859 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
4860
4861         PR c/35440
4862         * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
4863         for all types.
4864
4865 2008-04-04  Richard Guenther  <rguenther@suse.de>
4866
4867         PR middle-end/35823
4868         * fold-const.c (optimize_minmax_comparison): Use the correct
4869         type for the constant in the simplified comparison.
4870
4871 2008-04-04  Zuxy Meng <zuxy.meng@gmail.com>
4872
4873         * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
4874         Pass L2 size as "--param l2-cache-size" to the compiler.
4875         (decode_l2_cache): New function to decode L2 cache parameters using
4876         0x8000006 extended cpuid function.
4877         (detect_caches_amd): Determine parameters of L2 cache using
4878         decode_l2_caches function.
4879         (decode_caches_intel): Decode L2 cache parameters.
4880         (detect_caches_intel): Determine L2 cache parameters using
4881         decode_caches_intel and decode_l2_caches functions.
4882
4883 2008-04-03  Bob Wilson  <bob.wilson@acm.org>
4884
4885         * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
4886         secondary input reload for subword loads from the constant pool.
4887
4888 2008-04-03  Janis Johnson  <janis187@us.ibm.com>
4889
4890         PR target/35713
4891         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
4892           constants of the appropriate size for runtime calculations.
4893
4894         PR c/35712
4895         * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
4896           decimal-float literal constant zero.
4897
4898 2008-04-03  Jakub Jelinek  <jakub@redhat.com>
4899
4900         PR c/35738
4901         * c-parser.c (c_parser_omp_atomic): Call
4902         default_function_array_conversion on the RHS.
4903
4904         PR middle-end/35818
4905         * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
4906         call is_variable_sized if decl has incomplete type.
4907
4908 2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>
4909
4910         * config/i386/i386-protos.h (ix86_aligned_p): Removed.
4911
4912 2008-04-03  Adam Nemet  <anemet@caviumnetworks.com>
4913
4914         * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
4915         iterators.
4916         (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu.
4917         (sgt<u>): Merge sgt and sgtu into new expander.
4918         (sgt, sgtu): Remove expanders.
4919         (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new pattern.
4920         (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
4921         (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
4922         *sgtu_<mode>_mips16 into new pattern.
4923         (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
4924         (sge<u>): Merge sge and sgeu into new expander.
4925         (sge, sgeu): Remove expanders.
4926         (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
4927         new pattern.
4928         (*sge_<mode>, second *sge_<mode>): Remove patterns.
4929         (slt<u>): Merge slt and sltu into new expander.
4930         (slt, sltu): Remove expanders.
4931         (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new pattern.
4932         (*slt_<mode>, *sltu_<mode>): Remove patterns.
4933         (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
4934         *sltu_<mode>_mips16 into new pattern.
4935         (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
4936         (sle<u>): Merge sle and sleu into new expander.
4937         (sle, sleu): Remove expanders.
4938         (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new pattern.
4939         (*sle_<mode>, *sleu_<mode>): Remove patterns.
4940         (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
4941         *sleu_<mode>_mips16 into new pattern.
4942         (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
4943
4944 2008-04-03  Jan Hubicka  <jh@suse.cz>
4945
4946         PR tree-optimization/35795
4947         * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
4948         * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
4949         * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
4950         * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
4951         * score/score3.c (score3_output_mi_thunk): Likewise.
4952         * score/score7.c (score7_output_mi_thunk): Likewise.
4953         * mips/mips.c (mips_output_mi_thunk): Likewise.
4954
4955 2008-04-03  Richard Guenther  <rguenther@suse.de>
4956
4957         * tree-vrp.c (extract_range_from_unary_expr): Handle all
4958         conversions.  Simplify code.
4959
4960 2008-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
4961
4962         * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
4963
4964 2008-04-03  Tom Tromey  <tromey@redhat.com>
4965             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4966
4967         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
4968         * config/bfin/t-bfin-linux (generated_files): Add
4969         linux-sysroot-suffix.h.
4970         * doc/install.texi (Prerequisites): Require make 3.80.
4971         * doc/sourcebuild.texi (Front End Directory): Document new
4972         variable.
4973         * Makefile.in (generated_files): New variable.
4974         (ALL_HOST_OBJS): New variable.
4975         ($(ALL_HOST_OBJS)): New target.
4976
4977 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
4978
4979         * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
4980         (remap_block): Call id->transform_lang_insert_block instead
4981         of langhook.
4982         (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
4983         Set id.transform_lang_insert_block to NULL.
4984         (clone_body): Move to cp/optimize.c
4985         * tree-inline.h (struct copy_body_data): Change
4986         transform_lang_insert_block to function pointer.
4987         (copy_generic_body, copy_decl_no_change): Export.
4988         * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
4989         * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
4990         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
4991
4992         * c-tree.h (insert_block): Kill.
4993         * c-decl.c (insert_block): Kill.
4994
4995 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
4996
4997         * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
4998         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
4999         * c-tree.h (c_push_function_context, c_pop_function_context): Remove
5000         argument.
5001         * c-decl.c (c_push_function_context, c_pop_function_context): Remove
5002         argument, call {push,pop}_function_context from here.
5003         * c-parser.c: Use c_{push,pop}_function_context.
5004
5005         * function.c (push_function_context_to): Move meat ...
5006         (push_function_context): ... here.  Simplify.
5007         * function.c (pop_function_context_from): Move meat ...
5008         (pop_function_context): ... here.  Simplify.
5009         * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
5010         leave_nested).
5011         * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
5012         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
5013         (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
5014         * tree.h (push_function_context_to, pop_function_context_from): Remove.
5015
5016 2008-04-03  Ben Elliston  <bje@au.ibm.com>
5017
5018         * expmed.c (extract_force_align_mem_bit_field): Remove.
5019
5020 2008-04-03  Richard Guenther  <rguenther@suse.de>
5021
5022         PR middle-end/35800
5023         * expr.h (try_casesi): Adjust prototype.
5024         * expr.c (try_casesi): Take fallback label as extra parameter.
5025         Use that for gen_casesi if default_label is NULL.
5026         * stmt.c (expand_case): Pass fallback label to try_casesi,
5027         make sure to fill gaps with a fallback label if default_label
5028         is not present.
5029
5030 2008-04-03  Dominique d'Humieres <dominiq@lps.ens.fr>
5031
5032         PR target/35801
5033         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
5034
5035 2008-04-03  Ben Elliston  <bje@au.ibm.com>
5036
5037         * expmed.c (extract_split_bit_field): Remove if (0) code.
5038         * tree-ssa-structalias.c (do_sd_constraint): Likewise.
5039         (do_ds_constraint): Likewise.
5040
5041 2008-04-02  Joseph Myers  <joseph@codesourcery.com>
5042
5043         * doc/cppopts.texi (-dU): Document.
5044         * c-common.h (flag_dump_macros): Update comment.
5045         * c-opts.c (handle_OPT_d): Handle -dU.
5046         * c-ppoutput.c (macro_queue, define_queue, undef_queue,
5047         dump_queued_macros, cb_used_define, cb_used_undef): New.
5048         (init_pp_output): Handle -dU.
5049         (cb_line_change): Call dump_queued_macros.
5050         * toplev.c (decode_d_option): Accept -dU as preprocessor option.
5051
5052 2008-04-02  Anatoly Sokolov <aesok@post.ru>
5053
5054         * config/avr/predicates.md (io_address_operand): New predicate.
5055         * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
5056         * config/avr/avr.c (avr_io_address_p): Remove function.
5057         (out_movqi_r_mr): Use 'io_address_operand' predicate instead of
5058         'avr_io_address_p' function.
5059         (out_movhi_r_mr): (Ditto.).
5060         (out_movqi_mr_r): (Ditto.).
5061         (out_movhi_mr_r): (Ditto.).
5062         (avr_address_cost): (Ditto.).
5063
5064 2008-04-02  Uros Bizjak  <ubizjak@gmail.com>
5065
5066         * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
5067         Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
5068         in 32bit mode when XMM registers are available to avoid store
5069         forwarding stalls.
5070         (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
5071         corresponding post-reload splitters.
5072
5073 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
5074
5075         * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
5076         and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
5077         __builtin_ia32_roundss.
5078         (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
5079         __builtin_ia32_shufpd, __builtin_ia32_roundsd and
5080         __builtin_ia32_roundss.
5081         (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
5082         IX86_BUILTIN_SHUFPD here.
5083
5084 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
5085
5086         * config/i386/i386.md (plogic): New.
5087         (plogicprefix): Likewise.
5088
5089         * config/i386/mmx.md (mmx_<code><mode>3): New.
5090         (mmx_and<mode>3): Removed.
5091         (mmx_ior<mode>3): Likewise.
5092         (mmx_xor<mode>3): Likewise.
5093
5094         * config/i386/sse.md (<code><mode>3): New.
5095         (*<code><mode>3): Likewise.
5096         (*<code><mode>3): Likewise.
5097         (<code><mode>3): Likewise.
5098         (*sse_<code><mode>3): Likewise.
5099         (*sse2_<code><mode>3): Likewise.
5100         (<code>tf3): Likewise.
5101         (*<code>tf3): Likewise.
5102         (and<mode>3): Likewise.
5103         (*and<mode>3): Likewise.
5104         (ior<mode>3): Removed.
5105         (*ior<mode>3): Likewise.
5106         (xor<mode>3): Likewise.
5107         (*xor<mode>3): Likewise.
5108         (*and<mode>3): Likewise.
5109         (*ior<mode>3): Likewise.
5110         (*xor<mode>3): Likewise.
5111         (and<mode>3): Likewise.
5112         (*sse_and<mode>3): Likewise.
5113         (*sse2_and<mode>3): Likewise.
5114         (andtf3): Likewise.
5115         (*andtf3): Likewise.
5116         (ior<mode>3): Likewise.
5117         (*sse_ior<mode>3): Likewise.
5118         (*sse2_ior<mode>3): Likewise.
5119         (iortf3): Likewise.
5120         (*iortf3): Likewise.
5121         (xor<mode>3): Likewise.
5122         (*sse_xor<mode>3): Likewise.
5123         (*sse2_xor<mode>3): Likewise.
5124         (xortf3): Likewise.
5125         (*xortf3): Likewise.
5126
5127 2008-04-02  Richard Guenther  <rguenther@suse.de>
5128
5129         PR tree-optimization/14495
5130         PR tree-optimization/34793
5131         * tree-vrp.c (struct switch_update): New structure.
5132         (to_remove_edges, to_update_switch_stmts): New VECs.
5133         (simplify_switch_using_ranges): New function.  Remove not taken
5134         case labels and edges.
5135         (simplify_stmt_using_ranges): Call it.
5136         (identify_jump_threads): Mark edges we have queued for removal
5137         so we don't thread them.
5138         (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
5139         case label vector.
5140         * tree-cfg.c (group_case_labels): Deal with missing default label.
5141         (tree_verify_flow_info): Allow missing default label.
5142         * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
5143         (emit_case_nodes): Likewise.
5144         (expand_case): Do not rely on the default label to be present.
5145         * expr.c (try_casesi): Deal with NULL default_label.
5146         (do_tablejump): Likewise.
5147
5148 2008-04-02  Richard Guenther  <rguenther@suse.de>
5149
5150         PR tree-optimization/14495
5151         * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
5152         SWITCH_EXPR here ...
5153         (vrp_visit_switch_stmt): ... but here (new function).
5154         (find_case_label_index): New helper function.
5155         (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
5156
5157 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
5158
5159         * fwprop.c: Fix ISO-C99ism.
5160
5161 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
5162
5163         PR bootstrap/35752
5164         * Makefile.in (objdir): Set it here.
5165         * configure.ac: Not here.  Find dynamic linker characteristics.
5166         * exec-tool.in: Use them.
5167         * aclocal.m4: Regenerate.
5168         * configure: Regenerate.
5169
5170 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
5171
5172         * expr.c (expand_var): Delete it.
5173         * expr.h (expand_var): Delete prototype.
5174         * function.c (expand_function_start): Use expand_decl instead.
5175         * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
5176         langhook.
5177
5178 2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>
5179
5180         PR rtl-optimization/35542
5181         * fwprop.c (forward_propagate_and_simplify): Replace
5182         loc_reg_mentioned_in_p with reg_mentioned_p.
5183
5184 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
5185
5186         PR rtl-optimization/35281
5187         * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
5188         (propagate_rtx_1): Handle PR_HANDLE_MEM.
5189         (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
5190         (varying_mem_p): Move above propagate_rtx.
5191         (all_uses_available_at): Do not check MEMs.
5192
5193 2008-04-02  Rafael Espindola  <espindola@google.com>
5194
5195         * tree-vrp.c (extract_code_and_val_from_cond): Remove.
5196         (register_edge_assert_for_2): Split the cond argument.
5197         (register_edge_assert_for_1): Adjust for the change in
5198         register_edge_assert_for_2.
5199         (register_edge_assert_for): Split the cond argument.
5200         (find_switch_asserts): Adjust for the change in
5201         register_edge_assert_for.
5202
5203 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
5204
5205         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
5206         * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
5207         offsets for 64-bit mingw.
5208         * config/i386/i386.c (ix86_pass_by_reference): Correct calling
5209         abi for x86_64-pc-mingw.
5210
5211 2008-04-02  Richard Guenther  <rguenther@suse.de>
5212
5213         * tree-vrp.c (extract_range_from_assert): Make sure to not
5214         produce range min/max with TREE_OVERFOW set.
5215         If merging a anti-range and a range keep the anti-range if
5216         the range covers all values of the type.
5217         (register_edge_assert_for_2): Only allow sign-changing
5218         conversions in detecting canonical range checks.  Also
5219         register an assert for the unsigned name if useful.
5220
5221         PR tree-optimization/35787
5222         * tree-vrp.c (vrp_val_max): New function.
5223         (vrp_val_min): Likewise.
5224         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
5225         (vrp_val_is_min): Likewise.
5226         (supports_overflow_infinity): Use vrp_val_{min,max}.
5227         (negative_overflow_infinity): Likewise.
5228         (positive_overflow_infinity): Likewise.
5229         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
5230         (is_positive_overflow_infinity): Likewise.
5231         (is_overflow_infinity): Likewise.
5232         (avoid_overflow_infinity): Use vrp_val_{min,max} and
5233         vrp_val_is_{min,max}.
5234         (set_and_canonicalize_value_range): Canonicalize anti-ranges
5235         to ranges if possible.  Avoid empty ranges.
5236
5237 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5238
5239         PR middle-end/35705
5240         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
5241         the expression is a function address.
5242
5243 2008-04-01  George Helffrich  <george@gcc.gnu.org>
5244
5245         PR fortran/35154, fortran/23057
5246         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
5247         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
5248         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
5249         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
5250         in common.
5251         (dbxout_syms): Check for COMMON-based symbol and wrap in
5252         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
5253         in bracket for efficiency.
5254
5255         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
5256         using DW_TAG_common_block + member offset.
5257         (add_pubname_string): New function.
5258         (dw_expand_expr): New function to find block name and offset for
5259         COMMON var.
5260         (common_check): New function to check whether symbol in Fortran COMMON.
5261         (gen_variable_die): If COMMON, use DW_TAG_common_block.
5262
5263 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
5264
5265         PR c/35436
5266         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
5267
5268 2008-04-02  Ben Elliston  <bje@au.ibm.com>
5269
5270         * config/v850/v850.md (casesi): Remove if (0) code.
5271         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
5272         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
5273
5274 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
5275
5276         * config/i386/i386.md (rex64suffix): New mode attribute.
5277         (floathi<mode>2): Disable expander for SSE math.
5278         (*floathi<mode>2_1): New insn insn_and_split pattern.
5279         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
5280         corresponding post-reload splitters.
5281         (*floathi<mode>2_i387): New macroized insn pattern.
5282         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
5283         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
5284         insn_and_split pattern.
5285         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
5286         New macroized instruction patterns and corresponding post-reload
5287         splitters.
5288         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
5289         and corresponding post-reload splitters.
5290         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
5291         New macroized instruction patterns.
5292         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
5293         macroized instruction patterns and corresponding post-reload splitters.
5294         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
5295         corresponding post-reload splitters.
5296         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
5297         New macroized instruction patterns.
5298         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
5299         corresponding post-reload splitters.
5300         (*floatsi<mode>2_i387): New macroized instruction patterns.
5301
5302 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
5303
5304         * config/i386/i386.md (smaxmin): New.
5305         (umaxmin): Likewise.
5306         (maxminiprefix): Likewise.
5307         (maxminfprefix): Likewise.
5308         (<code><mode>3): Likewise.
5309         (smin<mode>3): Removed.
5310         (smax<mode>3): Likewise.
5311
5312         * config/i386/mmx.md (mmx_<code>v2sf3): New.
5313         (mmx_<code>v4hi3): Likewise.
5314         (mmx_<code>v8qi3): Likewise.
5315         (mmx_smaxv2sf3): Removed.
5316         (mmx_sminv2sf3): Likewise.
5317         (mmx_umaxv8qi3): Likewise.
5318         (mmx_smaxv4hi3): Likewise.
5319         (mmx_uminv8qi3): Likewise.
5320         (mmx_sminv4hi3): Likewise.
5321
5322         * config/i386/sse.md (<addsub><mode>3): New.
5323         (*<addsub><mode>3): Likewise.
5324         (<sse>_vm<addsub><mode>3): Likewise.
5325         (<maxmin><mode>3): Likewise.
5326         (*<maxmin><mode>3_finite): Likewise.
5327         (*<maxmin><mode>3): Likewise.
5328         (<sse>_vm<maxmin><mode>3): Likewise.
5329         (sse3_h<addsub>v4sf3): Likewise.
5330         (sse3_h<addsub>v2df3): Likewise.
5331         (<maxmin>v16qi3): Likewise.
5332         (*<maxmin>v16qi3): Likewise.
5333         (<maxmin>v8hi3): Likewise.
5334         (*<maxmin>v8hi3): Likewise.
5335         (*sse4_1_<maxmin><mode>3): Likewise.
5336         (*sse4_1_<maxmin><mode>3): Likewise.
5337         (add<mode>3): Removed.
5338         (*add<mode>3): Likewise.
5339         (<sse>_vmadd<mode>3): Likewise.
5340         (sub<mode>3): Likewise.
5341         (*sub<mode>3): Likewise.
5342         (<sse>_vmsub<mode>3): Likewise.
5343         (smin<mode>3): Likewise.
5344         (*smin<mode>3_finite): Likewise.
5345         (*smin<mode>3): Likewise.
5346         (<sse>_vmsmin<mode>3): Likewise.
5347         (smax<mode>3): Likewise.
5348         (*smax<mode>3_finite): Likewise.
5349         (*smax<mode>3): Likewise.
5350         (<sse>_vmsmax<mode>3): Likewise.
5351         (sse3_haddv4sf3): Likewise.
5352         (sse3_haddv2df3): Likewise.
5353         (sse3_hsubv4sf3): Likewise.
5354         (sse3_hsubv2df3): Likewise.
5355         (umaxv16qi3): Likewise.
5356         (*umaxv16qi3): Likewise.
5357         (smaxv8hi3): Likewise.
5358         (*smaxv8hi3): Likewise.
5359         (*sse4_1_smax<mode>3): Likewise.
5360         (*sse4_1_umax<mode>3): Likewise.
5361         (uminv16qi3): Likewise.
5362         (*uminv16qi3): Likewise.
5363         (sminv8hi3): Likewise.
5364         (*sminv8hi3): Likewise.
5365         (*sse4_1_smin<mode>3): Likewise.
5366         (*sse4_1_umin<mode>3): Likewise.
5367
5368 2008-04-01  Rafael Espindola  <espindola@google.com>
5369
5370         * tree-cfg.c (verify_expr): remove in_phi.
5371         (verify_stmt): Don't call walk_tree with verify_expr. Use
5372         is_gimple_min_invariant instead of is_gimple_val.
5373
5374 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
5375
5376         * doc/include/gpl_v3.texi: Update for manpage generation.
5377         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
5378         gpl.texi.
5379         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
5380         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
5381         gpl_v3.texi instead of gpl.texi.
5382         (gpl.pod): New.
5383
5384 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
5385
5386         PR pch/13675
5387         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
5388
5389 2008-04-01  Rafael Espindola  <espindola@google.com>
5390
5391         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
5392         (extract_code_and_val_from_cond): Use
5393         extract_code_and_val_from_cond_with_ops.
5394
5395 2008-04-01  Jan Hubicka  <jh@suse.cz>
5396
5397         * function.c (free_after_compilation): Free epilogue_delay_list.
5398         (prepare_function_start): Assert that previous compilation was freed.
5399
5400 2008-04-01  Jan Hubicka  <jh@suse.cz>
5401             Jim Wilson  <wilson@tuliptree.org>
5402             Andreas Tobler <andreast@gcc.gnu.org>
5403
5404         PR middle-end/35781
5405         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
5406         rtl.emit instead cfun->emit.
5407         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
5408         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
5409
5410 2008-04-01  Ben Elliston  <bje@au.ibm.com>
5411
5412         * doc/c-tree.texi (Function Basics): Fix grammatical error.
5413
5414 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
5415
5416         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
5417         New options
5418         (fprofile-use): Add var flag_profile_use
5419         * coverage.c (coverage_begin_output): Do not open a gcno file for
5420         output only if -ftest-coverage is set.
5421         Do not add getpwd() to gcda file path.
5422         (build_gcov_info): Check the new flag
5423         flag_profile_datafile_relative_path.
5424         (coverage_init): Use profile_data_prefix.
5425         Read profile counter only if flag_profile_use is set.
5426         * opts.c (common_handle_option): New option fprofile-use=,
5427         fprofile-dir=, fprofile-generate=.
5428         * toplev.c (profile_data_prefix): New variable definition.
5429         * toplev.h (profile_data_prefix): New declaration.
5430         * doc/invoke.tex (Option Summary, Optimization Options):
5431         Add new options.
5432
5433 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
5434
5435         * varasm.c (output_constant_pool_1): In LABEL_REF check,
5436         use tmp consistently.
5437
5438         PR target/35695
5439         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
5440         * config/ia64/ia64.c (rtx_needs_barrier): Handle
5441         UNSPEC_FR_RECIP_APPROX_RES.
5442         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
5443
5444 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
5445
5446         PR c/35750
5447         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
5448
5449 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5450
5451         PR middle-end/30186
5452         * fold-const.c (fold_indirect_ref_1): Support accessing non first
5453         element of the vector via a pointer.
5454
5455 2008-03-31  Ian Lance Taylor  <iant@google.com>
5456
5457         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
5458
5459 2008-03-31  Jan Hubicka  <jh@suse.cz>
5460
5461         * builtins.c (expand_builtin_setjmp_receiver): Update call of
5462         get_arg_pointer_save_area.
5463         * expr.c (init_expr): Just clear out rtl.expr.
5464         * function.c (free_after_compilation): Clear out whole RTL structure.
5465         (get_func_frame_size): Merge into ...
5466         (get_frame_size): ... this one.
5467         (assign_stack_local_1): Merge into ...
5468         (assign_stack_local): ... this one.
5469         (expand_function_end): Update call of get_arg_pointer_save_area.
5470         (get_art_pointer_save_area): Remove cfun argument.
5471         * function.h (emit_status): regno_pointer_align does not need length
5472         attribute. Move x_regno_reg_rtx to ...
5473         (regno_reg_rtx): ... new global array.
5474         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
5475         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
5476         apply_args_value, forced_labels, stack_pointer_delta):
5477         Update accestors.
5478         (struct varasm_status): Move here from varasm.c
5479         (struct rtl_data): New. Move here some fields from struct function.
5480         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
5481         frame_offset, stack_check_probe_note, arg_pointer_save_area,
5482         used_temp_slots avail_temp_slots, temp_slot_level,
5483         nonlocal_goto_handler_labels): Update accesstors.
5484         (rtl): New global variable.
5485         (struct function): Move some fileds to rtl_data.
5486         (get_arg_pointer_save_area): Update prototype.
5487         * emit-rtl.c (rtl): Declare.
5488         (regno_reg_rtx): Declare.
5489         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
5490         Update.
5491         (gen_reg_rtx): Update.
5492         (init_virtual_regs): Do not tate emit_status argument.
5493         (init_emit): Do not allocate emit.
5494         * varasm.c (varasm_statuc): Move to function.h.
5495         (n_deferred_constatns): Update accestor.
5496         (init_varasm_status): Do not allocate varasm_status.
5497         (force_const_mem, get_pool_size, output_constant_pool): Update.
5498         * stmt.c (force_label_rtx): Do not use x_ prefixes.
5499         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
5500
5501 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
5502
5503         PR rtl-optimization/35729
5504         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
5505         references.
5506
5507 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
5508
5509         PR target/32000
5510         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
5511         load/store if memory is unaligned.
5512         (*movti_rex64): Likewise.
5513
5514         * config/i386/predicates.md (misaligned_operand): New.
5515
5516 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
5517
5518         PR tree-opt/35431
5519         * tree-ssa-phiopt.c (conditional_replacement): Return early for
5520         complex types.
5521
5522 2008-03-31  Jan Beulich  <jbeulich@novell.com>
5523
5524         * config/ia64/constraints.md: Add 'j' constraint.
5525         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
5526         (movdi_internal): Likewise.
5527
5528 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
5529
5530         PR c/35748
5531         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
5532
5533 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
5534
5535         PR target/35757
5536         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
5537         proper error message for the third argument on blendpd and
5538         blendps.
5539
5540         * config/i386/sse.md (blendbits): New.
5541         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
5542
5543 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
5544
5545         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
5546
5547 2008-03-30  Richard Guenther  <rguenther@suse.de>
5548
5549         PR middle-end/31023
5550         * fold-const.c (fold_sign_changed_comparison): Do leave
5551         conversions to base-types alone.
5552
5553 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5554
5555         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
5556         the link register if one altivec register is be saved.
5557
5558 2008-03-30  Ben Elliston  <bje@au.ibm.com>
5559
5560         * final.c (final_scan_insn): Remove if (0) code.
5561
5562 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
5563
5564         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
5565
5566 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
5567
5568         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
5569         of V4SFmode to ix86_binary_operator_ok.
5570
5571 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
5572
5573         * config/i386/i386.c (override_options): Initialize
5574         ix86_veclib_handler to ix86_veclibabi_svml when
5575         -mveclibabi=svml is used.
5576         (ix86_veclibabi_svml): New function for SVML ABI style
5577         vectorization support.
5578         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
5579
5580 2008-03-28  Rafael Espindola  <espindola@google.com>
5581
5582         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
5583         (tree_binary_nonnegative_warnv_p): Make it public.
5584         (tree_single_nonnegative_warnv_p): Make it public.
5585         (tree_invalid_nonnegative_warnv_p): Make it public.
5586         (tree_unary_nonzero_warnv_p): Make it public.
5587         (tree_binary_nonzero_warnv_p): Make it public
5588         (tree_single_nonzero_warnv_p): Make it public.
5589         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
5590         (extract_range_from_binary_expr): Split the expr argument.
5591         (extract_range_from_unary_expr): Split the expr argument.
5592         (extract_range_from_comparison): Split the expr argument.
5593         (extract_range_from_expr): Use the new aux functions.
5594         (vrp_evaluate_conditional_warnv): Use
5595         vrp_evaluate_conditional_warnv_with_ops.
5596         * tree.h (tree_unary_nonzero_warnv_p): Declare.
5597         (tree_binary_nonzero_warnv_p): Declare.
5598         (tree_single_nonzero_warnv_p): Declare.
5599         (tree_expr_nonzero_warnv_p): Declare.
5600         (tree_unary_nonnegative_warnv_p): Declare.
5601         (tree_binary_nonnegative_warnv_p): Declare.
5602         (tree_single_nonnegative_warnv_p): Declare.
5603         (tree_invalid_nonnegative_warnv_p): Declare.
5604
5605 2008-03-28  Richard Guenther  <rguenther@suse.de>
5606
5607         PR tree-optimization/30317
5608         PR tree-optimization/30911
5609         PR tree-optimization/34793
5610         * tree-vrp.c (set_and_canonicalize_value_range): New function.
5611         (struct assert_locus_d): New member EXPR.
5612         (register_new_assert_for): Add EXPR parameter to support
5613         ASSERT_EXPR <name, expr OP limit>.
5614         (register_edge_assert_for_1): Adjust callers.
5615         (find_assert_locations): Likewise.
5616         (process_assert_insertions_for): Build condition from expression.
5617         (extract_range_from_assert): Handle ASSERT_EXPRs
5618         of the form ASSERT_EXPR <name, expr OP limit>.
5619         (register_edge_assert_for_2): New helper registering
5620         asserts for comparisons.  Recognize range tests of the form
5621         (unsigned)i - CST1 OP CST2.
5622         (register_edge_assert_for_1): Use it.
5623         (register_edge_assert_for): Likewise.
5624         (needs_overflow_infinity): Integer sub-types
5625         do not need overflow infinities.
5626         (vrp_val_is_max): The extreme values of integer sub-types
5627         are those of the base type.
5628         (vrp_val_is_min): Likewise.
5629         * tree.def (ASSERT_EXPR): Document extra allowed conditional
5630         expressions.
5631
5632 2008-03-28  Nick Clifton  <nickc@redhat.com>
5633
5634         PR target/31110
5635         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
5636         Return GENERAL_REGS for stack adjustment reloads.
5637
5638 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5639
5640         PR target/31334
5641         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
5642         const_vector when all the vectors are constant.
5643
5644 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
5645
5646         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
5647         comparisons.
5648         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
5649         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
5650         (scc_sf): New.
5651         (s<code>_sf): Use new scc_sf attribute for opcode names.
5652
5653 2008-03-27  Tom Tromey  <tromey@redhat.com>
5654
5655         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
5656         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
5657         config/spu/t-spu-elf, config/i386/t-interix,
5658         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
5659         config/i386/x-darwin, config/i386/x-mingw32,
5660         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
5661         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
5662         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
5663         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
5664         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
5665         config/rs6000/x-darwin, config/rs6000/t-rs6000,
5666         config/score/t-score-elf, config/arm/t-strongarm-pe,
5667         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
5668         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
5669         Revert automatic dependency patch.
5670
5671 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
5672
5673         PR target/35657
5674         * config/i386/i386.c (ix86_function_arg_boundary): Align
5675         decimal floating point to its natural boundary.
5676
5677 2008-03-27  Richard Guenther  <rguenther@suse.de>
5678
5679         PR middle-end/35716
5680         * fold-const.c (fold_comparison): Restrict distinct decl
5681         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
5682         solely rely on operand_equal_p.
5683
5684 2008-03-27  Richard Guenther  <rguenther@suse.de>
5685
5686         PR c/32511
5687         * c-common.c (handle_weak_attribute): Reject combination of
5688         weak and inline.
5689
5690 2008-03-27  Richard Guenther  <rguenther@suse.de>
5691
5692         PR tree-optimization/32810
5693         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
5694         conversions from DECL_INITIAL.
5695         (fold_const_aggregate_ref): Likewise from constructor elements.
5696
5697 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
5698
5699         * tree-affine.h (aff_combination_expand): Declare.
5700         (get_inner_reference_aff): Likewise.
5701         * tree-affine.c (aff_combination_expand): Split out from
5702         tree_to_aff_combination_expand.
5703         (get_inner_reference_aff): New function.
5704         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
5705         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
5706         (struct lim_aux_data): sm_done field removed.
5707         (mem_ref_loc_p, mem_ref_locs_p): New types.
5708         (struct mem_ref): Added id, stored, accesses_in_loop,
5709         indep_loop, dep_loop, indep_ref, dep_ref fields.
5710         Removed is_stored, locs and next fields.
5711         (memory_accesses): New variable.
5712         (movement_possibility): Do not allow moving statements
5713         that store to memory.
5714         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
5715         New functions.
5716         (determine_max_movement): For statements with memory references,
5717         find the outermost loop in that the reference is independent.
5718         (move_computations_stmt): Mark the virtual operands for renaming.
5719         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
5720         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
5721         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
5722         add_vop_ref_mapping, create_vop_ref_mapping_loop,
5723         create_vop_ref_mapping, analyze_memory_references,
5724         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
5725         get_all_locs_in_loop, ref_always_accessed_p,
5726         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
5727         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
5728         store_motion_loop, store_motion): New functions.
5729         (struct vop_to_refs_elt): New type.
5730         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
5731         memref_hash, memref_eq, hoist_memory_references): Rewritten.
5732         (schedule_sm): Replaced by...
5733         (execute_sm): ... this.
5734         (determine_lsm_ref, hoist_memory_references,
5735         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
5736         find_more_ref_vops, free_mem_ref, free_mem_refs,
5737         determine_lsm_loop, determine_lsm): Removed.
5738         (tree_ssa_lim_finalize): Free data structures used by store motion.
5739         (tree_ssa_lim): Call analyze_memory_references.  Use
5740         store_motion instead of determine_lsm.
5741
5742 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
5743
5744         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
5745         rename tmake_file to m68hc11/t-m68hc11.
5746         (mcore): Set inhibit_libc to true.
5747         * config.host (alpha*-dec-*vms*): Set extra_programs.
5748         (interix3*): Don't use host_xmake_file.
5749         * configure.ac: Let config.gcc override inhibit_libc.
5750         * configure: Regenerate.
5751
5752         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
5753         * config/t-openbsd-thread: Remove commented out lines.
5754
5755         * config/x-interix: Remove.
5756
5757         * config/m68hc11/t-m68hc11-gas: Rename to...
5758         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
5759
5760         * config/mcore/t-mcore: Remove T_CFLAGS.
5761         * config/mcore/t-mcore-pe: Likewise.
5762
5763 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
5764
5765         * configure.ac: Replace custom __GNU_SOURCE test with
5766         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
5767         * aclocal.m4: Regenerate.
5768         * configure: Regenerate.
5769         * config.in: Regenerate.
5770
5771 2008-03-27  Richard Guenther  <rguenther@suse.de>
5772
5773         * fold-const.c (target.h): Include.
5774         (fold_comparison): Fold comparison of addresses of decls
5775         that bind locally or of constants.  Consolidate address folding code.
5776         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
5777         results from fold_binary_to_constant.
5778         (compare_values_warnv): Likewise.
5779
5780 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
5781
5782         PR middle-end/35429
5783         * fold-const.c (fold_truthop): Check for integeral types when folding
5784         a == 0 && b == 0 and a != 0 || b != 0 .
5785
5786 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
5787
5788         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
5789
5790 2008-03-26  Andreas Schwab  <schwab@suse.de>
5791
5792         * doc/invoke.texi: Fix use of @item vs. @itemx.
5793
5794 2008-03-26  Tom Tromey  <tromey@redhat.com>
5795
5796         * Makefile.in (build/gensupport.o, build/print-rtl.o,
5797         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
5798         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
5799         build/gencodes.o, build/genconditions.o, build/genconfig.o,
5800         build/genconstants.o, build/genemit.o, build/genextract.o,
5801         build/genflags.o, build/genmddeps.o, build/genopinit.o,
5802         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
5803         options.h.
5804
5805 2008-03-26  Richard Guenther  <rguenther@suse.de>
5806
5807         Revert
5808         2008-03-26  Richard Guenther  <rguenther@suse.de>
5809
5810         * fold-const.c (target.h): Include.
5811         (fold_comparison): Fold comparison of addresses of two decls
5812         that bind locally.  Consolidate address folding code.
5813
5814 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5815
5816         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
5817         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
5818         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
5819         dconstsqrt2, dconstthird, dconste and/or dconst10.
5820         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
5821         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
5822         dconstsqrt2, dconste): Delete.
5823         (init_emit_once): Likewise.  Simplify initializing dconstm1.
5824         Constify variable.
5825         * real.c (get_real_const): New.
5826         * real.h (dconst3, dconst10, dconstm2, dconstthird,
5827         dconstsqrt2, dconste): Delete.
5828         (real_value_const, get_real_const): New.
5829
5830 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
5831
5832         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
5833
5834         * config/i386/i386.c (ix86_function_arg_boundary): Check
5835         BIGGEST_ALIGNMENT instead of 128.
5836         (setup_incoming_varargs_64): Likewise.
5837
5838 2008-03-26  Tom Tromey  <tromey@redhat.com>
5839
5840         * Makefile.in (DEPFILES): Add missing '/'.
5841
5842 2008-03-26  Richard Guenther  <rguenther@suse.de>
5843
5844         * fold-const.c (target.h): Include.
5845         (fold_comparison): Fold comparison of addresses of two decls
5846         that bind locally.  Consolidate address folding code.
5847
5848 2008-03-26  Nick Clifton  <nickc@redhat.com>
5849
5850         PR target/31232
5851         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
5852         not allow INT+INT as a legitimate addressing mode.
5853
5854 2008-03-26  Richard Guenther  <rguenther@suse.de>
5855
5856         * tree-flow.h (widen_bitfield): Remove declaration.
5857         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
5858         (widen_bitfield): Remove function.
5859         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
5860         code.
5861
5862 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5863
5864         PR target/31558
5865         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
5866         error_mark_node's.
5867
5868 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
5869
5870         PR rtl-optimization/35232
5871         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
5872         (forget_old_reloads_1, forget_marked_reloads): Don't clear
5873         reg_reloaded_call_part_clobbered here.
5874         (reload_regs_reach_end_p): New function.
5875         (reload_reg_rtx_for_input): New variable.
5876         (reload_reg_rtx_for_output): Likewise.
5877         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
5878         when reassigning a pseudo register.  Load reloadreg from
5879         reload_reg_rtx_for_input, moving the mode and register
5880         calculation to...
5881         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
5882         instead of the original when deciding whether an input reload
5883         would be a no-op or whether an output reload can be deleted.
5884         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
5885         when setting up new_spill_reg_store.  Load it from
5886         reload_reg_rtx_for_output, moving the mode and register
5887         calculation to...
5888         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
5889         instead of the original when deciding whether an output reload
5890         would be a no-op.  Do the same when modifying insn notes.
5891         Use rtx_equal_p instead of == to compare the registers.
5892         (inherit_piecemeal_p): Take a mode and two register numbers
5893         as argument.
5894         (emit_reload_insns): Clear new_spill_reg_store for every hard
5895         register in the reload register.  Remove spill registers
5896         from reg_reloaded_valid before considering whether to record
5897         inheritance information for them.  Use reload_reg_rtx_for_output
5898         instead of reg_rtx when recording output reloads.  Use
5899         reload_reg_rtx_for_input instead of reg_rtx when recording
5900         input reloads.  Set or clear reg_reloaded_call_part_clobbered
5901         at the same time as setting reg_reloaded_valid.
5902         (delete_output_reload): Add a new_reload_reg parameter and use it
5903         instead of rld[j].reg_rtx.
5904         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
5905         calls accordingly.
5906
5907 2008-03-25  Tom Tromey  <tromey@redhat.com>
5908
5909         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
5910         (build/genattr.o): Likewise.
5911         (build/genattrtab.o): Likewise.
5912         (build/gencodes.o): Likewise.
5913         (build/genconfig.o): Likewise.
5914         (build/genconstants.o): Likewise.
5915         (build/genemit.o): Likewise.
5916         (build/genextract.o): Likewise.
5917         (build/genflags.o): Likewise.
5918
5919 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
5920
5921         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
5922         instead of size_int for integer types.
5923         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
5924         to match type of MINUS_EXPR.
5925
5926 2008-03-25  Tom Tromey  <tromey@redhat.com>
5927
5928         * configure: Rebuilt.
5929         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
5930         Makefile.
5931
5932 2008-03-25  Tom Tromey  <tromey@redhat.com>
5933
5934         * config/x-solaris (host-solaris.o): Update.
5935         * config/x-linux (host-linux.o): Update.
5936         * config/x-hpux (host-hpux.o): Update.
5937         * config/x-darwin (host-darwin.o): Update.
5938         * config/v850/t-v850e (v850-c.o): Update.
5939         * config/v850/t-v850 (v850-c.o): Update.
5940         * config/t-vxworks (vxworks.o): Update.
5941         * config/t-sol2 (sol2-c.o, sol2.o): Update.
5942         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
5943         * config/spu/t-spu-elf (spu-c.o): Update.
5944         (spu.o): Remove.
5945         * config/sh/t-symbian (sh-c.o): Update.
5946         (symbian.o): Update.
5947         * config/sh/t-sh (sh-c.o): Update.
5948         * config/score/t-score-elf (score7.o, score3.o): Update.
5949         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
5950         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
5951         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
5952         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
5953         (rs6000.o): Remove.
5954         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
5955         * config/m32c/t-m32c (m32c-pragma.o): Update.
5956         * config/ia64/t-ia64 (ia64-c.o): Update.
5957         * config/i386/x-mingw32 (host-mingw32.o): Update.
5958         * config/i386/x-i386 (driver-i386.o): Update.
5959         * config/i386/x-darwin (host-i386-darwin.o): Update.
5960         * config/i386/x-cygwin (host-cygwin.o): Update.
5961         * config/i386/t-nwld (nwld.o): Update.
5962         * config/i386/t-netware (netware.o): Update.
5963         * config/i386/t-interix (winnt.o): Update.
5964         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
5965         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
5966         msformat-c.o): Update.
5967         * config/bfin/t-bfin-linux (generated_files): Add
5968         linux-sysroot-suffix.h.
5969         * config/arm/t-wince-pe (pe.o): Update.
5970         * config/arm/t-strongarm-pe (pe.o): Update.
5971         * config/arm/t-pe (pe.o): Update.
5972         * config/arm/t-arm (arm-c.o): Update.
5973         * doc/install.texi (Prerequisites): Require make 3.80.
5974         * Makefile.in: Remove .o targets.
5975         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
5976         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
5977         (simple_generated_h, simple_generated_c): Move earlier.
5978         (generated_files): New variable.
5979         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
5980         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
5981         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
5982         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
5983         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
5984         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
5985         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
5986         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
5987         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
5988         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
5989         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
5990         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
5991         (.c.o): Remove.
5992         (COMPILE.base, COMPILE): New variables.
5993         (%.o): New pattern rule.
5994         (ALL_HOST_OBJS): New variable.
5995         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
5996         (dummy-checksum.o, cc1-checksum.o): Remove.
5997         (DRIVER_SHLIB): New variable.
5998         (DRIVER_DEFINES): Use it.
5999         (gencondmd.c): Move out of build/.
6000         (s-conditions): Update.
6001         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
6002         (ALL_BUILD_OBJS): Likewise.
6003         (build/%.o): Use BUILDCOMPILE.
6004         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
6005         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
6006         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
6007         build/gencheck.o, build/gencodes.o, build/genconditions.o,
6008         build/genconfig.o, build/genconstants.o, build/genemit.o,
6009         build/genextract.o, build/genflags.o, build/genmddeps.o,
6010         build/genopinit.o, build/genoutput.o, build/genpeep.o,
6011         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
6012         build/gen-protos.o, build/scan.o, build/fix-header.o,
6013         build/scan-decls.o): Simplify.
6014         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
6015         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
6016         prefix.o, toplev.o): Reduce to variable setting.
6017         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
6018         ($(out_object_file), gcc-options.o): New targets.
6019         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
6020         * configure: Rebuilt.
6021         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
6022         * doc/sourcebuild.texi (Front End Directory): Document new variable.
6023
6024 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
6025
6026         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
6027         complain when we hit an error, return ERROR_MARK_NODE.
6028
6029 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
6030
6031         * config/sh/constraints.md (Pso, Psz): New constraints.
6032         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
6033         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
6034
6035 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
6036
6037         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
6038         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
6039
6040 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
6041
6042         * config/sh/sh.md (prefetch): Add condition for SH2A target.
6043         (prefetch_sh2a): New.
6044
6045 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
6046             Naveen.H.S  <naveen.hs@kpitcummins.com>
6047
6048         * config/sh/constraints.md (I28): New constraint.
6049         * config/sh/sh.c (broken_move): Add support for movi20s.
6050         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
6051
6052 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
6053             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
6054             Naveen.H.S  <naveen.hs@kpitcummins.com>
6055
6056         * config/sh/sh.c (SH_ATTRIBUTES): Define.
6057         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
6058         (print_operand): Handle resbank in %@ operand code.
6059         (sh_encode_section_info): New.
6060         (push_regs): Add conditions for resbank.
6061         (sh_expand_epilogue): Likewise.
6062         (sh_insert_attributes): Likewise.
6063         (sh_attribute_table): Likewise.
6064         (sh_handle_resbank_handler_attribute): New.
6065         (sh2a_handle_function_vector_handler_attribute): New.
6066         (sh2a_is_function_vector_call): New.
6067         (sh2a_get_function_vector_number): New.
6068         (sh2a_function_vector_p): New.
6069         (sh_cfun_resbank_handler_p): New.
6070         * config/sh/sh.md (calli): Emit jsr/n if possible.
6071         (calli_tbr_rel): New.
6072         (calli_pcrel): Emit jsr/n if possible.
6073         (return_i): Emit rts/n if possible.
6074         (call_valuei_tbr_rel): New.
6075         (call_valuei_pcrel): Add condition for SH2A target.
6076         (call_value): Likewise.
6077         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
6078         (sh2a_get_function_vector_number): Likewise.
6079         (sh2a_is_function_vector_call): Likewise.
6080         * doc/extend.texi: Document TBR relative addressing of SH2A.
6081         (resbank): Add description for SH2A.
6082
6083 2008-03-24  Richard Guenther  <rguenther@suse.de>
6084
6085         PR c/22371
6086         * gimplify.c (gimplify_modify_expr): For frontend type-correct
6087         pointer assignments change conversions according to middle-end rules.
6088         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
6089         * configure.ac: Include type checking in yes.
6090         * configure: Regenerate.
6091
6092 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6093
6094         * diagnostic.c (diagnostic_count_diagnostic): Delete.
6095         (diagnostic_report_diagnostic): Update. Handle ICEs here.
6096
6097 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
6098
6099         * gthr-vxworks.h (UNUSED): Define.
6100
6101 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
6102
6103         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
6104
6105 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
6106
6107         * doc/extend.texi (Function Attributes): Add missing comma in the
6108         example of the "alloc_size" attribute.
6109
6110 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
6111
6112         Revert:
6113         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
6114
6115         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
6116         32bit host.
6117
6118         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
6119
6120         PR target/35496
6121         * stor-layout.c (update_alignment_for_field): Set minimum alignment
6122         of the underlying type of a MS bitfield layout to the natural
6123         alignment of the type.
6124
6125         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
6126
6127         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
6128         to their natural alignment to avoid store forwarding stalls.
6129
6130 2008-03-22  Richard Guenther  <rguenther@suse.de>
6131
6132         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
6133         For PHI nodes verify the address is invariant.
6134         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
6135         (get_symbol_constant_value): Use is_gimple_min_invariant.
6136         (maybe_fold_stmt_indirect): Likewise.
6137
6138 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
6139
6140         PR rtl-optimization/33927
6141         * Makefile.in (dse.o): Depend on $(TM_P_H).
6142         * expr.h (extract_low_bits): Declare.
6143         * expmed.c (extract_low_bits): New function.
6144         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
6145         * dse.c: Include tm_p.h.
6146         (find_shift_sequence): Remove the read_reg argument and return the
6147         read value.  Emit the instructions instead of returning them.
6148         Iterate on new_mode rather than calculating it each time.
6149         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
6150         source to NEW_MODE and extract_low_bits to convert the shifted
6151         value to READ_MODE.
6152         (replace_read): Allow the load and store to have different mode
6153         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
6154         or extraction instructions before trying the replacement.  Update
6155         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
6156
6157 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
6158
6159         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
6160         to their natural alignment to avoid store forwarding stalls.
6161
6162 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6163
6164         PR target/27946
6165         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
6166         encouraging but not allowing gprs for input;
6167         change the input constraint to !f#r.
6168         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
6169         gprs for output;
6170         change the output constraint to !f#r.
6171
6172 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
6173
6174         PR target/13958
6175         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
6176         corresponding post-reload splitters.
6177         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
6178         when x87 FP math is selected.
6179         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
6180         New function prototype.
6181         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
6182         unreachable function to ease macroization of insn patterns.
6183
6184 2008-03-21  Martin Jambor  <mjambor@suse.cz>
6185
6186         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
6187         reference dumps if ddr is NULL or dependence is unknown.
6188
6189 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
6190
6191         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
6192         unsigned extension into account.
6193         (ATOMIC_COMPARE_AND_SWAP): Likewise.
6194         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
6195         Do computations on a scratch register.
6196
6197 2008-03-21  Richard Guenther  <rguenther@suse.de>
6198
6199         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
6200         Use is_gimple_min_invariant instead of TREE_INVARIANT.
6201         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
6202         * tree-ssa-dom.c (record_equality): Likewise.
6203         * tree-inline.c (copy_body_r): Likewise.
6204         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
6205         TREE_INVARIANT.
6206
6207 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
6208
6209         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
6210         as 'delete_unused' argument.
6211
6212 2008-03-20  Richard Guenther  <rguenther@suse.de>
6213
6214         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
6215         special casing of constant qualifiers.
6216         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
6217         care about them in general.
6218         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
6219         regardless of their type.
6220         (fold_stmt_r): Forcefully fold *& if we end up with that.
6221
6222 2008-03-20  Paul Brook  <paul@codesourcery.com>
6223
6224         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
6225         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
6226         linker flags.
6227         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
6228         definition.
6229         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
6230         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
6231
6232 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
6233
6234         * common.opt (Wmudflap): New option.
6235         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
6236         (mx_register_decls): Likewise.
6237         (mudflap_finish_file): Likewise.
6238         * doc/invoke.texi: Document -Wno-mudflap.
6239
6240 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
6241
6242         * c-format.c (replace_format_name_to_system_name): New.
6243         (cmp_attribs): New.
6244         (convert_format_name_to_system_name): New.
6245         (decode_format_attr): Add use of convert_format_name_to_system_name.
6246         (format_types_orig): Add gnu_ prefix to names.
6247         (check_format_info_main): Special treating of \0 escaped names for
6248         supporting multi-character format specifiers as I32, I64.
6249         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
6250         (gnu_target_overrides_format_attributes): New.
6251         * c-format.h: Add structure target_ovr_attr to hold
6252         system specific formatter names.
6253         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
6254         msformat-c.o file to c_target_objs and cxx_target_objs.
6255         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
6256         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
6257         (TARGET_N_FORMAT_TYPES): New.
6258         * config/i386/msformat-c.c: New.
6259         * config/i386/t-cygming: Add build rule for msformat-c.o.
6260         * doc/extend.texi: Add new format names gnu_* and ms_* and
6261         further details.
6262         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
6263
6264 2008-03-20  Ira Rosen  <irar@il.ibm.com>
6265
6266         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
6267         optimizations turned on under -O3.
6268         (ftree-vectorize): Add that the flag is turned on with -O3.
6269
6270 2008-03-20  Ben Elliston  <bje@au.ibm.com>
6271
6272         * regmove.c (try_auto_increment): Fix spelling error in comment.
6273         * final.c (final_scan_insn): Likewise.
6274
6275 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
6276
6277         PR target/14552
6278         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
6279         allocator preferences for "y" and "r" class registers.
6280         ("*mov<mode>_internal"): Ditto.
6281         ("*movv2sf_internal_rex64"): Ditto.
6282         ("*movv2sf_internal"): Ditto.
6283
6284 2008-03-19  Michael Matz  <matz@suse.de>
6285
6286         PR middle-end/35616
6287         * calls.c (expand_call): Check overlap of arguments with call
6288         address for sibcalls.
6289
6290 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
6291
6292         PR target/35496
6293         * stor-layout.c (update_alignment_for_field): Set minimum alignment
6294         of the underlying type of a MS bitfield layout to the natural
6295         alignment of the type.
6296
6297 2008-03-19  Jan Hubicka  <jh@suse.cz>
6298
6299         PR other/35094
6300         * toplev.c (decode_d_option): Handle all CPP flags.
6301         * tree-vrp.c: Update tree_pass descriptors.
6302         * regrename.c: Update tree_pass descriptors.
6303         * fwprop.c: Update tree_pass descriptors.
6304         * doc/invoke.texi: Remove documentation of dropped -d? flags.
6305         * tree-into-ssa.c: Update tree_pass descriptors.
6306         * tree-dump.c: Update tree_pass descriptors.
6307         * tree-complex.c: Update tree_pass descriptors.
6308         * tree-dump.h: Update tree_pass descriptors.
6309         * see.c: Update tree_pass descriptors.
6310         * cgraphbuild.c: Update tree_pass descriptors.
6311         * tracer.c: Update tree_pass descriptors.
6312         * tree-loop-distribution.c: Update tree_pass descriptors.
6313         * cgraph.c: Update tree_pass descriptors.
6314         * postreload-gcse.c: Update tree_pass descriptors.
6315         * postreload.c: Update tree_pass descriptors.
6316         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
6317         * tree-tailcall.c: Update tree_pass descriptors.
6318         * tree-pass.h (tree_opt_pass): Rename to ...
6319         (opt_pass) ... this one; add "type" field and remove letter field.
6320         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
6321         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
6322         all_lowering_passes): Update declaration.
6323         * ipa-cp.c: Update tree_pass descriptors.
6324         * final.c: Update tree_pass descriptors.
6325         * omp-low.c: Update tree_pass descriptors.
6326         * tree-ssa-dse.c: Update tree_pass descriptors.
6327         * ipa-reference.c: Update tree_pass descriptors.
6328         * tree-ssa-uncprop.c: Update tree_pass descriptors.
6329         * auto-inc-dec.c: Update tree_pass descriptors.
6330         * reorg.c: Update tree_pass descriptors.
6331         * cgraphunit.c: Update tree_pass descriptors.
6332         * tree-ssa-copyrename.c: Update tree_pass descriptors.
6333         * tree-ssa-ccp.c: Update tree_pass descriptors.
6334         * df-core.c: Update tree_pass descriptors.
6335         * mode-switching.c: Update tree_pass descriptors.
6336         * tree-nomudflap.c: Update tree_pass descriptors.
6337         * modulo-sched.c: Update tree_pass descriptors.
6338         * ipa-pure-const.c: Update tree_pass descriptors.
6339         * cse.c: Update tree_pass descriptors.
6340         * web.c: Update tree_pass descriptors.
6341         * tree-stdarg.c: Update tree_pass descriptors.
6342         * tree-ssa-math-opts.c: Update tree_pass descriptors.
6343         * tree-ssa-dom.c: Update tree_pass descriptors.
6344         * tree-nrv.c: Update tree_pass descriptors.
6345         * tree-ssa-alias.c: Update tree_pass descriptors.
6346         * loop-init.c: Update tree_pass descriptors.
6347         * gimple-low.c: Update tree_pass descriptors.
6348         * ipa-inline.c: Update tree_pass descriptors.
6349         * tree-ssa-sink.c: Update tree_pass descriptors.
6350         * global.c: Update tree_pass descriptors.
6351         * ifcvt.c: Update tree_pass descriptors.
6352         * jump.c: Update tree_pass descriptors.
6353         * predict.c: Update tree_pass descriptors.
6354         * tree-ssa-loop.c: Update tree_pass descriptors.
6355         * recog.c: Update tree_pass descriptors.
6356         * dse.c: Update tree_pass descriptors.
6357         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
6358         * tree-eh.c: Update tree_pass descriptors.
6359         * regmove.c: Update tree_pass descriptors.
6360         * local-alloc.c
6361         * function.c: Update tree_pass descriptors.
6362         * tree-vectorizer.c: Update tree_pass descriptors.
6363         * gcse.c: Update tree_pass descriptors.
6364         * ipa-type-escape.c: Update tree_pass descriptors.
6365         * tree-if-conv.c: Update tree_pass descriptors.
6366         * init-regs.c: Update tree_pass descriptors.
6367         * ipa.c: Update tree_pass descriptors.
6368         * tree-ssa-phiopt.c: Update tree_pass descriptors.
6369         * rtl-factoring.c: Update tree_pass descriptors.
6370         * lower-subreg.c: Update tree_pass descriptors.
6371         * bt-load.c: Update tree_pass descriptors.
6372         * tree-dfa.c: Update tree_pass descriptors.
6373         * except.c: Update tree_pass descriptors.
6374         * emit-rtl.c: Update tree_pass descriptors.
6375         * cfgexpand.c: Update tree_pass descriptors.
6376         * tree-cfgcleanup.c: Update tree_pass descriptors.
6377         * cfgcleanup.c: Update tree_pass descriptors.
6378         * tree-ssa-pre.c: Update tree_pass descriptors.
6379         * tree-sra.c: Update tree_pass descriptors.
6380         * tree-mudflap.c: Update tree_pass descriptors.
6381         * tree-ssa-copy.c: Update tree_pass descriptors.
6382         * cfglayout.c: Update tree_pass descriptors.
6383         * tree-ssa-forwprop.c: Update tree_pass descriptors.
6384         * tree-ssa-dce.c: Update tree_pass descriptors.
6385         * tree-ssa.c: Update tree_pass descriptors.
6386         * regclass.c: Update tree_pass descriptors.
6387         * integrate.c: Update tree_pass descriptors.
6388         * tree-optimize.c: Update tree_pass descriptors.
6389         * tree-ssa-phiprop.c: Update tree_pass descriptors.
6390         * tree-object-size.c: Update tree_pass descriptors.
6391         * combine.c: Update tree_pass descriptors.
6392         * tree-outof-ssa.c: Update tree_pass descriptors.
6393         * bb-reorder.c: Update tree_pass descriptors.
6394         * stack-ptr-mod.c: Update tree_pass descriptors.
6395         * var-tracking.c: Update tree_pass descriptors.
6396         * tree-profile.c: Update tree_pass descriptors.
6397         * tree-vect-generic.c: Update tree_pass descriptors.
6398         * reg-stack.c: Update tree_pass descriptors.
6399         * sched-rgn.c: Update tree_pass descriptors.
6400         * tree-ssa-structalias.c: Update tree_pass descriptors.
6401         * tree-cfg.c: Update tree_pass descriptors.
6402         * passes.c (current_pass): Update declaration.
6403         (finish_optimization_passes): Update.
6404         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
6405         (register_one_dump_file, register_dump_files_1, next_pass_1):
6406         Update arguments.
6407         (init_optimization_passes): Update handling of new types.
6408         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
6409         * ipa-struct-reorg.c: Update tree_pass descriptors.
6410         * tree-ssa-reassoc.c: Update tree_pass descriptors.
6411         * combine-stack-adj.c: Update tree_pass descriptors.
6412         * cfgrtl.c: Update tree_pass descriptors.
6413         * dce.c: Update tree_pass descriptors.
6414         * tree-ssanames.c: Update tree_pass descriptors.
6415
6416 2008-03-19  Richard Guenther  <rguenther@suse.de>
6417
6418         PR middle-end/35609
6419         * tree-ssa.c (walk_data): New structure.
6420         (warn_uninitialized_var): If not always_executed warn with "maybe"
6421         instead of "is".
6422         (execute_early_warn_uninitialized): Compute post-dominators.
6423         Initialize always_executed before processing each basic block.
6424
6425 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
6426
6427         PR target/35504
6428         * config/i386/i386.c (x86_this_parameter): Calculate correct location
6429         of "this" pointer when "regparm = N" or "fastcall" is in effect.
6430
6431 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6432
6433         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
6434
6435 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
6436
6437         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
6438         is true.
6439         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
6440         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
6441         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
6442         target after ignore has been set, and move there also the commputation
6443         of subtarget and original_target.
6444         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
6445         (LANG_HOOKS_INITIALIZER): Remove it.
6446         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
6447
6448 2008-03-18  Richard Guenther  <rguenther@suse.de>
6449
6450         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
6451         found an expression with constants, note that in the VN for the lhs.
6452         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
6453         fold them to constants if possible.  Run cleanup_cfg if done so.
6454         (execute_pre): Return todo.
6455         (do_pre): Likewise.
6456         (execute_fre): Likewise.
6457         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
6458         of constants.
6459         (get_prop_source_stmt): Look through pointer conversions.
6460
6461 2008-03-18  Jan Hubicka  <jh@suse.cz>
6462
6463         * tree-pretty-print.c: Include predict.h.
6464         (dump_generic_node): Dump predictor.
6465         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
6466         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
6467         * gimple-low.c (lower_stmt): Likewise.
6468         * expr.c (expand_expr_real): Likewise.
6469         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
6470         them.
6471         (build_predict_expr, build_predict_expr): New.
6472         * predict.h (predictor_name, build_predict_expr): Update.
6473         * c-typeck.c (c_finish_bc_stmt): Add prediction.
6474         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
6475         * predict.def (PRED_CONTINUE): Update hitrate.
6476         * tree.def (PREDICT_EXPR): Define.
6477         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
6478         do not handle BIND_EXPR.
6479         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
6480         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
6481         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
6482         operands.
6483
6484 2008-03-18  Michael Matz  <matz@suse.de>
6485
6486         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
6487
6488 2008-03-18  Richard Guenther  <rguenther@suse.de>
6489
6490         * tree-gimple.h (is_gimple_invariant_address): Declare.
6491         (is_gimple_constant): Likewise.
6492         * tree-gimple.c (is_gimple_constant): New function.
6493         (is_gimple_invariant_address): Likewise.
6494         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
6495         and is_gimple_invariant_address.
6496         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
6497         previous change.
6498         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
6499         an addressable base.
6500
6501 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
6502
6503         PR middle-end/35611
6504         * gimplify.c (gimplify_expr): Gimplify second operand of
6505         OMP_ATOMIC_LOAD.
6506
6507 2008-03-17  Richard Guenther  <rguenther@suse.de>
6508
6509         PR tree-optimization/19637
6510         * fold-const.c (fold_unary): Remove restrictions of removing
6511         intermediate pointer-conversions (P2)(P1)P0.
6512         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
6513         conversion to void pointer.
6514         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
6515
6516 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
6517
6518         PR debug/31510
6519         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
6520         emulated thread local variables.
6521
6522 2008-03-16  Richard Guenther  <rguenther@suse.de>
6523
6524         PR middle-end/35607
6525         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
6526         expand TREE_INVARIANT operations that are not gimple invariant.
6527
6528 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
6529
6530         * doc/extend.texi (Alignment): Say that the ABI controls
6531         the __alignof__ for non-strict-alignment targets rather
6532         than being a recommendation.
6533
6534 2008-03-15  Paul Brook  <paul@codesourcery.com>
6535
6536         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
6537         annotations.
6538         (arm_output_fn_unwind): Mark functions that can not be unwound.
6539
6540 2008-03-15  Paul Brook  <paul@codesourcery.com>
6541
6542         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
6543         extension instructions.
6544
6545 2008-03-15  Richard Guenther  <rguenther@suse.de>
6546
6547         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
6548         and fold constant aggregate refs.
6549         (fold_const_aggregate_ref): Handle string constants
6550         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
6551         (evaluate_stmt): Simplify now that ccp_fold folds constant
6552         aggregate refs.
6553
6554 2008-03-15  Paul Brook  <paul@codesourcery.com>
6555
6556         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
6557         (extzv): Use gen_extzv_t2.
6558         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
6559
6560 2008-03-15  Richard Guenther  <rguenther@suse.de>
6561
6562         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
6563         (fold_const_aggregate_ref): Likewise.
6564         (get_value): Return NULL if we don't have any values.
6565         (ccp_finalize): Set const_val to NULL after freeing it.
6566         * tree-flow.h (get_symbol_constant_value): Declare.
6567         (fold_const_aggregate_ref): Likewise.
6568         * tree-ssa-sccvn.c (try_to_simplify): Use them.
6569
6570 2008-03-15  Richard Guenther  <rguenther@suse.de>
6571
6572         PR middle-end/35593
6573         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
6574         to not produce negative array indices if not allowed.  Add
6575         parameter to indicate that.
6576         (maybe_fold_offset_to_component_ref): Allow negative array
6577         indices only for the first member of a structure.
6578         (maybe_fold_offset_to_reference): Allow negative array indices.
6579         (maybe_fold_stmt_addition): Likewise.
6580
6581 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
6582             Anatoly Sokolov <aesok@post.ru>
6583
6584         * config/avr/avr.c (avr_arch_types): Add avr6 entry.
6585         (avr_arch): Add ARCH_AVR6.
6586         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
6587         (initial_elimination_offset): Initialize and use 'avr_pc_size'
6588         instead of fixed value 2.
6589         (print_operand_address): Use gs() asm specifier instead of pm().
6590         (avr_assemble_integer): (Ditto.).
6591         (avr_output_addr_vec_elt): (Ditto.).
6592         (print_operand): Handle "!" code.
6593         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
6594         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
6595         (AVR_HAVE_EIJMP_EICALL): Define.
6596         (AVR_3_BYTE_PC): Redefine.
6597         (AVR_2_BYTE_PC): (Ditto.).
6598         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
6599         (LINK_SPEC): Add atmega2560 and atmega2561.
6600         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
6601         (crtm2561.o).
6602         * config/avr/avr.md (call_insn): Use eicall instead of icall
6603         for 3 byte PC devices.
6604         (call_value_insn): (Ditto.).
6605         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
6606         (indirect_jump): Use only for for 2 byte PC devices.
6607         (*tablejump): (Ditto.).
6608         (*indirect_jump_avr6): Add insn.
6609         (*tablejump_rjmp): Don't use for 3 byte PC devices.
6610         * config/avr/libgcc.S (__prologue_saves__): Use eijmp
6611         instead of ijmp for 3 byte PC devices.
6612         (__tablejump2__): (Ditto.).
6613         * config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
6614         (MULITLIB_DIRNAMES): (Ditto.).
6615         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
6616
6617 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
6618
6619         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
6620         "sse2_umulsidi3".  Use V1DI mode for operand 0.
6621         ("mmx_psadbw"): Use V1DI mode for operand 0.
6622         * config/i386/i386-modes.def (V1SI): New vector mode.
6623         * config/i386/i386.c (struct builtin_description)
6624         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
6625         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
6626         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
6627         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
6628         v1di_ftype_v8qi_v8qi type.
6629         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
6630
6631         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
6632         __builtin_ia32_pmuludq]: Fix the mode of return value.
6633
6634 2008-03-15  Richard Guenther  <rguenther@suse.de>
6635
6636         PR middle-end/35595
6637         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
6638         being a PHI_NODE.
6639
6640 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
6641
6642         * doc/invoke.texi (Option Summary, Xtensa Options): Document
6643         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
6644         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
6645         unless TARGET_SERIALIZE_VOLATILE is enabled.
6646         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
6647         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
6648         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
6649
6650 2008-03-14  Richard Guenther  <rguenther@suse.de>
6651
6652         PR tree-optimization/34172
6653         * tree-flow.h (refs_may_alias_p): Declare.
6654         (get_single_def_stmt): Likewise.
6655         (get_single_def_stmt_from_phi): Likewise.
6656         (get_single_def_stmt_with_phi): Likewise.
6657         * tree-dfa.c (refs_may_alias_p): New function.
6658         (get_single_def_stmt): Likewise.
6659         (get_single_def_stmt_from_phi): Likewise.
6660         (get_single_def_stmt_with_phi): Likewise.
6661         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
6662         (vn_reference_lookup_1): New helper function.
6663         (vn_reference_lookup): Walk the virtual use-def chain to
6664         continue searching for a match if the def does not alias the
6665         reference we are looking for.
6666
6667 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
6668
6669         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
6670         archive and Perzl.  Update The Written Word listing.
6671
6672 2008-03-14  Richard Guenther  <rguenther@suse.de>
6673
6674         PR tree-optimization/34043
6675         PR tree-optimization/33989
6676         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
6677         when doing FRE.
6678         (bitmap_find_leader): Use extra argument to verify dominance
6679         relationship inside a basic-block.
6680         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
6681         (find_leader_in_sets): Adjust.
6682         (create_component_ref_by_pieces): Take extra argument for
6683         dominance check, handle lookup failures.
6684         (find_or_generate_expression): Likewise.
6685         (create_expression_by_pieces): Likewise.
6686         (insert_into_preds_of_block): Adjust.
6687         (create_value_expr_from): If asked for, verify all operands
6688         are in the blocks AVAIL_OUT set.
6689         (make_values_for_stmt): Check for SSA_NAMEs that are life
6690         over an abnormal edge.
6691         (compute_avail): Remove such check.
6692         (do_SCCVN_insertion): New function.
6693         (eliminate): If we do not find a leader suitable for replacement
6694         insert a replacement expression from SCCVN if available.
6695         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
6696         (struct vn_ssa_aux): Add needs_insertion flag.
6697         * tree-ssa-sccvn.c (may_insert): New global flag.
6698         (copy_reference_ops_from_ref): Value-number union member access
6699         based on its size, not type and member if insertion is allowed.
6700         (visit_reference_op_load): For a weak match from union type
6701         punning lookup a view-converted value and insert a SSA_NAME
6702         for that value if that is not found.
6703         (visit_use): Make dumps shorter.  Do not disallow value numbering
6704         SSA_NAMEs that are life over an abnormal edge to constants.
6705         (free_scc_vn): Release inserted SSA_NAMEs.
6706         (run_scc_vn): New flag to specify whether insertion is allowed.
6707         Process SSA_NAMEs in forward order.
6708         * tree-ssa-loop-im.c (for_each_index): Handle invariant
6709         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
6710         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
6711         pointer type to/from integral types that do not change the
6712         precision to regular conversions.
6713
6714 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
6715
6716         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
6717         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
6718         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
6719         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
6720         input arguments and the mode of return value.  Built-in functions
6721         that operate on whole 64-bit MMX register now use V1DI mode.
6722
6723 2008-03-13  Alon Dayan  <alond@il.ibm.com>
6724             Olga Golovanevsky  <olga@il.ibm.com>
6725
6726         PR tree-optimization/35041
6727         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
6728         to locate the right position in a statement.
6729
6730 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
6731
6732         PR target/34000
6733         PR target/35553
6734         * config/i386/xmmintrin.h:  Change all static inline functions to
6735         extern inline and add __gnu_inline__ attribute.
6736         * config/i386/bmintrin.h: Ditto.
6737         * config/i386/smmintrin.h: Ditto.
6738         * config/i386/tmmintrin.h: Ditto.
6739         * config/i386/mmintrin-common.h: Ditto.
6740         * config/i386/ammintrin.h: Ditto.
6741         * config/i386/emmintrin.h: Ditto.
6742         * config/i386/pmmintrin.h: Ditto.
6743         * config/i386/mmintrin.h: Ditto.
6744         * config/i386/mm3dnow.h: Ditto.
6745
6746 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
6747
6748         PR middle-end/35185
6749         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
6750         (lower_omp_2): New function.
6751         (lower_omp_1, lower_omp): Rewritten.
6752
6753 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
6754
6755         PR 35054
6756         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
6757         with the phrase "Microsoft Windows compilers".
6758         (Push/Pop Macro Pragmas): New subsection. Document
6759         #pragma push_macro and pragma pop_macro.
6760
6761 2008-03-12  Paul Brook  <paul@codesourcery.com>
6762
6763         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
6764
6765 2008-03-12  Paul Brook  <paul@codesourcery.com>
6766
6767         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
6768         (thumb2_alusi3_short): Exclude PLUS and MINUS.
6769         (thumb2_addsi_shortim): Rename ...
6770         (thumb2_addsi_short): ... to this.  Allow register operands.
6771         (thumb2_subsi_short): New pattern.
6772         (thumb2_one_cmplsi2_short,
6773         thumb2_negsi2_short): New patterns and peepholes.
6774
6775 2008-03-12  Paul Brook  <paul@codesourcery.com>
6776
6777         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
6778
6779 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
6780
6781         * config/i386/i386.md (int_cond): New code iterator.
6782         (fp_cond): Ditto.
6783         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
6784         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
6785         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
6786         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
6787         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
6788         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
6789         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
6790         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
6791
6792 2008-03-12  Paul Brook  <paul@codesourcery.com>
6793
6794         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
6795         instead of {arm,thumb}_compute_save_reg_mask.
6796         (output_return_instruction): Ditto.
6797         (thumb_unexpanded_epilogue): Ditto.
6798         (thumb1_expand_prologue): Ditto.
6799         (thumb1_output_function_prologue): Ditto.
6800         (arm_set_return_address): Ditto.
6801         (thumb_set_return_address): Ditto.
6802         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
6803         regs to achieve stack alignment.
6804         (thumb1_compute_save_reg_mask): Fix compiler warning.
6805         (arm_output_epilogue): Use offsets->saved_regs_mask.
6806         Adjust stack pointer by poping call clobered registers.
6807         (arm_expand_prologue): Use offsets->saved_regs_mask.
6808         Adjust stack pointer by pushing extra registers.
6809         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
6810
6811 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
6812
6813         PR tree-opt/35422
6814         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
6815         conversion to the operands of a multiplication.
6816
6817 2008-03-12  Richard Guenther  <rguenther@suse.de>
6818
6819         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
6820         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
6821         * timevar.def (TV_TREE_PHIPROP): Add.
6822         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
6823         pass description.  Use TV_TREE_PHIPROP.
6824         * tree-ssa-forwprop.c: Remove phiprop code.
6825
6826 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
6827
6828         PR middle-end/35549
6829         * omp-low.c (maybe_lookup_decl): Constify first argument.
6830         (use_pointer_for_field): Change last argument from bool to
6831         omp_context *.  Disallow shared copy-in/out in nested
6832         parallel if decl is shared in outer parallel too.
6833         (build_outer_var_ref, scan_sharing_clauses,
6834         lower_rec_input_clauses, lower_copyprivate_clauses,
6835         lower_send_clauses, lower_send_shared_vars): Adjust callers.
6836
6837 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
6838             Ira Rosen  <irar@il.ibm.com>
6839
6840         * tree-vectorizer.c (free_stmt_vec_info): New function.
6841         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
6842         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
6843         * tree-vectorizer.h (free_stmt_vec_info): Declare.
6844         * tree-vect-transform.c (vectorizable_conversion): Free
6845         vec_oprnds0 if it was allocated.
6846         (vect_permute_store_chain): Remove unused VECs.
6847         (vectorizable_store): Free VECs that are allocated in the..
6848         function.
6849         (vect_transform_strided_load, vectorizable_load): Likewise.
6850         (vect_remove_stores): Simplify the code.
6851         (vect_transform_loop): Move code to vect_remove_stores().
6852         Call vect_remove_stores() and free_stmt_vec_info().
6853
6854 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6855
6856         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
6857         TARGET_HPUX.  Revise comment.
6858         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
6859         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
6860         Use sr4 variant of `be' instruction when not generating PIC code.
6861         (attr_length_call): Adjust for above change.
6862
6863 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6864
6865         * ipa-reference.c (static_execute): Remove module_statics_const and
6866         associated setting code.
6867
6868 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
6869
6870         PR target/35540
6871         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
6872         predicate for operand 1.
6873         (paritysi2_cmp): Use register_operand predicate for operand 2.
6874         Use earlyclobber modifier for operand 1.  Remove support for
6875         memory operands.
6876         (paritydi2_cmp): Use register_operand predicate for operand 3.
6877         Use earlyclobber modifier for operand 1.  Remove support for
6878         memory operands.
6879
6880 2008-03-11  Paul Brook  <paul@codesourcery.com>
6881             Vladimir Prus  <vladimir@codesourcery.com>
6882
6883         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
6884         (arm_compute_save_reg0_reg12_mask): Always
6885         check if register 11 must be saved.  Always safe hard frame pointer
6886         when frame_pointer_needeed.
6887         (arm_compute_save_reg_mask): Save IP and PC
6888         only with apcs frames.
6889         (arm_output_epilogue): Adjust Thumb2 codepath to
6890         be also invoked and work for ARM non-apcs frames.
6891         (arm_expand_prologue): Don't bother saving IP
6892         for non-apcs frame, since it's not clobbered by
6893         prologue code.  Implement non-apcs frame
6894         layout.
6895
6896 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
6897
6898         PR rtl-optimization/35281
6899         * expr.c (convert_move): Use a new pseudo for the intermediate
6900         from_mode->word_mode result.
6901
6902 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
6903
6904         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
6905         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
6906         * toplev.c (compile_file): Don't call it.
6907
6908 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
6909
6910         PR middle-end/35526
6911         * expr.c (store_expr): Call emit_block_move if the mode
6912         of "temp" RTX is BLKmode.
6913
6914 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6915             Richard Guenther  <rguenther@suse.de>
6916
6917         PR tree-optimization/31358
6918         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
6919         the step with a NULL_TREE.
6920         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
6921         to sizetype if type is a pointer type.
6922         (add_candidate_1): Don't convert the base and step to
6923         the generic type if the orginal type is a pointer type.
6924         (add_iv_value_candidates): Use sizetype for the step
6925         if type is a pointer type.
6926         (cand_value_at): Likewise.
6927         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
6928         for pointer types.
6929         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
6930         Don't convert the tem affine to the type.
6931         (add_elt_to_tree): Use sizetype for the step if a pointer.
6932         Use POINTER_PLUS_EXPR for pointers.
6933         (aff_combination_to_tree): Use sizetype for the step if a
6934         pointer.
6935
6936 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
6937
6938         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
6939         Remove commutativity hint.
6940
6941 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
6942
6943         PR c/35438
6944         PR c/35439
6945         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
6946         errorneous type.  Check that v is a VAR_DECL.
6947
6948         PR middle-end/35099
6949         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
6950
6951 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
6952
6953         PR tree-optimization/35494
6954         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
6955         may be overriden at link and run time.
6956
6957 2008-03-10  Richard Guenther  <rguenther@suse.de>
6958
6959         PR tree-optimization/34677
6960         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
6961         (poolify_tree): Likewise.
6962         (modify_expr_template): Likewise.
6963         (poolify_modify_stmt): Likewise.
6964         (insert_fake_stores): Handle all component-ref style stores
6965         in addition to INDIRECT_REF.  Also handle complex types.
6966         Do not poolify the inserted load.
6967         (realify_fake_stores): Do not rebuild the tree but only
6968         make it a SSA_NAME copy.
6969         (init_pre): Remove initialzation of modify_expr_template.
6970         Do not allocate modify_expr_node_pool.
6971         (fini_pre): Do not free modify_expr_node_pool.
6972
6973 2008-03-10  Paul Brook  <paul@codesourcery.com>
6974
6975         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
6976         to avoid conflicts.
6977
6978 2008-03-10  Paul Brook  <paul@codesourcery.com>
6979             Mark Shinwell  <shinwell@codesourcery.com>
6980
6981         * config/arm/cortex-r4.md: New.
6982         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
6983         insn attributes.
6984         * config/arm/arm.md: Include cortex-r4.md.
6985         (insn): Add smmls, sdiv and udiv values.
6986         (generic_sched): Don't use generic scheduling for Cortex-R4.
6987         (arm_issue_rate): New function.
6988         (TARGET_SCHED_ISSUE_RATE): Define.
6989
6990 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
6991
6992         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
6993
6994 2008-03-10  Richard Guenther  <rguenther@suse.de>
6995
6996         * tree-ssa-pre.c (get_sccvn_value): Simplify.
6997         (compute_avail): Do not add stmt uses to AVAIL_OUT.
6998
6999 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
7000
7001         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
7002         Set default to true.
7003
7004 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7005
7006         * c.opt (Wsynth): Deprecate.
7007         * doc/invoke.texi (Option Summary, Warning Options): Document
7008         -Wno-format-contains-nul.
7009
7010 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
7011
7012         PR target/35496
7013         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
7014         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
7015
7016 2008-03-09  Ira Rosen  <irar@il.ibm.com>
7017
7018         * config/rs6000/rs6000.c (builtin_description): Rename vector
7019         left shift operations.
7020         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
7021         (altivec_vsl<VI_char>): Rename to ...
7022         (ashl<mode>3): ... new name.
7023         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
7024         gen_ashlv4si3.
7025         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
7026
7027 2008-03-08  Richard Guenther  <rguenther@suse.de>
7028
7029         * coverage.h (tree_coverage_counter_addr): Declare.
7030         * coverage.c (tree_coverage_counter_addr): New function.
7031         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
7032         before using again.
7033         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
7034         (tree_gen_one_value_profiler): Likewise.
7035         (tree_gen_ic_profiler): Likewise.
7036         (tree_gen_average_profiler): Likewise.
7037         (tree_gen_ior_profiler): Likewise.
7038
7039 2008-03-08  Richard Guenther  <rguenther@suse.de>
7040
7041         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
7042         (vn_binary_op_insert): Likewise.
7043         (vn_unary_op_lookup): Likewise.
7044         (vn_unary_op_insert): Likewise.
7045         (vn_nary_op_lookup): Declare.
7046         (vn_nary_op_insert): Likewise.
7047         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
7048         and binary hashes, use a single obstack for unary_op_pool
7049         and binary_op_pool.
7050         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
7051         a single struct vn_nary_op_s.  Store tree code length and
7052         a variable number of operands.
7053         (struct vn_reference_op_struct): Remove unused op2.
7054         (vn_reference_op_eq): Do not compare op2.
7055         (vn_reference_op_compute_hash): Do not compute hash of op2.
7056         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
7057         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
7058         with vn_nary_op_compute_hash.
7059         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
7060         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
7061         vn_nary_op_lookup.
7062         (vn_unary_op_insert, vn_binary_op_insert): Replace with
7063         vn_nary_op_insert.
7064         (visit_unary_op): Call nary functions.
7065         (visit_binary_op): Likewise.
7066         (process_scc): Adjust for struct vn_tables_s changes.
7067         (allocate_vn_table): Likewise.
7068         (free_vn_table): Likewise.
7069         * tree-vn.c (vn_add): Call nary functions.
7070         (vn_lookup): Likewise.
7071
7072 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
7073
7074         PR target/35498
7075         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
7076         wdst back after sync_compare_and_swapqhi_internal.
7077
7078 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
7079
7080         PR target/22152
7081         * config/i386/i386-modes.def (V1DI): New vector mode.
7082         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
7083         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
7084         (MMXMODE248): Ditto.
7085         (MMXMODE): Add V1DI mode.
7086         (mmxvecsize): Change DI mode to V1DI mode.
7087         ("mov<mode>): Use MMXMODEI8 mode iterator.
7088         ("*mov<mode>_internal_rex64"): Ditto.
7089         ("*mov<mode>_internal"): Ditto.
7090         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
7091         ("mmx_sub<mode>3"): Ditto.
7092         ("mmx_adddi3"): Remove insn pattern.
7093         ("mmx_subdi3"): Ditto.
7094         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
7095         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
7096         ("mmx_ashl<mode>3"): Ditto.
7097         ("mmx_lshrdi3"): Remove insn pattern.
7098         ("mmx_ashldi3"): Ditto.
7099         * config/i386/i386.c (classify_argument): Handle V1DImode.
7100         (function_arg_advance_32): Ditto.
7101         (function_arg_32): Ditto.
7102         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
7103         mmx_addv1di3 insn pattern.
7104         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
7105         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
7106         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
7107         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
7108         Remove definitions of built-in functions.
7109         (V1DI_type_node): New node.
7110         (v1di_ftype_v1di_int): Ditto.
7111         (v1di_ftype_v1di_v1di): Ditto.
7112         (v2si_ftype_v2si_si): Ditto.
7113         (v4hi_ftype_v4hi_di): Remove node.
7114         (v2si_ftype_v2si_di): Ditto.
7115         (ix86_init_mmx_sse_builtins): Handle V1DImode.
7116         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
7117         Redefine builtins using def_builtin_const with *_ftype_*_int node.
7118         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
7119         Add new builtins using def_builtin_const.
7120         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
7121         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
7122         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
7123         * config/i386/mmintrin.h (__v1di): New typedef.
7124         (_mm_add_si64): Cast arguments to __v1di type.
7125         (_mm_sub_si64): Ditto.
7126         (_mm_sll_pi16): Cast __count to __v4hi type.
7127         (_mm_sll_pi32): Cast __count to __v2si type.
7128         (_mm_sll_si64): Cast arguments to __v1di type.
7129         (_mm_srl_pi16): Cast __count to __v4hi type.
7130         (_mm_srl_pi32): Cast __count to __v2si type.
7131         (_mm_srl_si64): Cast arguments to __v1di type.
7132         (_mm_sra_pi16): Cast __count to __v4hi type.
7133         (_mm_sra_pi32): Cast __count to __v2si type.
7134         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
7135         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
7136         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
7137         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
7138         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
7139         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
7140         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
7141         (_mm_srai_pi32): Use __builtin_ia32_psradi.
7142         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
7143         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
7144         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
7145         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
7146
7147 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
7148
7149         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
7150
7151 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
7152
7153         PR target/35373
7154         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
7155         reg+const addressing for Altivec modes.  Don't generate reg+reg
7156         addressing for TFmode or TDmode quantities.
7157
7158 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
7159
7160         * c-common.c (vector_types_convertible_p): Call langhook
7161         instead of comptypes.
7162
7163 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7164
7165         PR tree-opt/35402
7166         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
7167         integral and scalar float variables which have a
7168         NULL DECL_INITIAL.
7169
7170 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
7171
7172         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
7173         dwarf_register_span hook when emitting unwind information for
7174         register-to-memory saves.
7175         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
7176         (rs6000_frame_related): Remove call to spe_synthesize_frame.
7177
7178 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
7179
7180         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
7181         for the same VAR_DECL.
7182
7183 2008-03-06  Tom Tromey  <tromey@redhat.com>
7184
7185         * treelang: Delete.
7186         * doc/standards.texi (Standards): Don't mention treelang.
7187         * doc/invoke.texi (Overall Options): Don't mention treelang.
7188         * doc/install.texi (Prerequisites): Don't mention bison or
7189         treelang.
7190         (Configuration): Don't mention treelang.
7191         (Building): Likewise.
7192         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
7193
7194 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
7195
7196         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
7197         word-extractions out of a multi-word object.
7198
7199 2008-03-06  Richard Guenther  <rguenther@suse.de>
7200
7201         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
7202         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
7203         result type and precision.
7204         * expr.c (get_inner_reference): Set unsignedp based on the result
7205         type of BIT_FIELD_REF.
7206         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
7207         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
7208         (try_instantiate_multiple_fields): Likewise.  Use the correct type
7209         for BIT_FIELD_REF.
7210         (sra_build_assignment): Likewise.
7211         (sra_build_elt_assignment): Likewise.
7212         (sra_explode_bitfield_assignment): Likewise.
7213         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
7214         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
7215         set BIT_FIELD_REF_UNSIGNED.
7216         (vectorizable_load): Likewise.
7217
7218 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
7219
7220         * cse.c (cse_extended_basic_block): Invalidate artificial defs
7221         at bb start.
7222
7223 2008-03-06  Richard Guenther  <rguenther@suse.de>
7224
7225         * alias.c (struct alias_set_entry): Move has_zero_child field
7226         to pack with alias_set.
7227
7228 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
7229
7230         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
7231         32bit host.
7232
7233 2008-03-05  Ian Lance Taylor  <iant@google.com>
7234
7235         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
7236
7237 2008-03-05  Kenneth Zadeck  <zadeck@naturalbridge.com>
7238
7239         * fwprop.c (update_df): Support width and offset parameters of
7240         df_ref_create.
7241         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
7242         global_conflicts): Change DF_REF_EXTRACT to either
7243         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
7244         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
7245         * df-scan.c (df_ref_record, df_defs_record,
7246         df_ref_create_structure, df_def_record_1, df_uses_record,
7247         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
7248         df_bb_refs_collect, df_entry_block_defs_collect,
7249         df_exit_block_uses_collect): Support new width and offset fields.
7250         (ref_extract_pool): New storage pool.
7251         (df_free_ref): New function.
7252         (df_reg_chain_unlink, df_free_collection_rec,
7253         df_sort_and_compress_refs): Call df_free_ref.
7254         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
7255         of df_ref_extract.
7256         (df_ref_create_structure): Allocate df_ref_extract if offset and
7257         width fields are used.
7258         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
7259         (df_uses_record): Get offset and width from ZERO_EXTRACT
7260         and SIGN_EXTRACT.
7261         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
7262         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
7263         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
7264         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
7265         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
7266         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
7267         (df_ref_extract): New structure.
7268         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
7269         (df_ref_create): Add width and offset parameters.
7270
7271 2008-03-05  Richard Guenther  <rguenther@suse.de>
7272
7273         * tree-ssa-structalias.c (get_constraint_for_component_ref):
7274         Use ranges_overlap_p.
7275         (offset_overlaps_with_access): Rename
7276         to ranges_overlap_p and move ...
7277         * tree-flow-inline.h (ranges_overlap_p): ... here.
7278
7279         * tree.h (get_inner_reference, handled_component_p): Update
7280         comments.
7281
7282         * tree.h (record_component_aliases, get_alias_set,
7283         alias_sets_conflict_p, alias_sets_must_conflict_p,
7284         objects_must_conflict_p): Move declarations ...
7285         * alias.h (record_component_aliases, get_alias_set,
7286         alias_sets_conflict_p, alias_sets_must_conflict_p,
7287         objects_must_conflict_p): ... here.
7288         Include coretypes.h.
7289         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
7290
7291 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
7292
7293         * cfg.c: Include tree-flow.h.
7294         (remove_edge_raw): Call redirect_edge_var_map_clear.
7295         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
7296         * tree-flow-inline.h (redirect_edge_var_map_def): New.
7297         (redirect_edge_var_map_result): New.
7298         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
7299         PENDING_STMT use with redirect_edge_var_map_*.
7300         * tree-ssa.c (edge_var_maps): New definition.
7301         (redirect_edge_var_map_add): New.
7302         (redirect_edge_var_map_clear): New.
7303         (redirect_edge_var_map_dup): New.
7304         (redirect_edge_var_map_vector): New.
7305         (redirect_edge_var_map_destroy): New.
7306         (ssa_redirect_edge): Replace PENDING_STMT use with
7307         redirect_edge_var_map_*.
7308         (flush_pending_stmts): Same.
7309         (delete_tree_ssa): Destroy edge var map.
7310         * tree-flow.h (struct _edge_var_map): New.
7311         Define edge_var_map vector type.
7312         Declare redirect_edge_var_map_* prototypes.
7313         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
7314         * tree-cfg.c (reinstall_phi_args): Replace
7315         PENDING_STMT use with redirect_edge_var_map_*.
7316
7317 2008-03-05  Richard Guenther  <rguenther@suse.de>
7318
7319         PR tree-optimization/35472
7320         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
7321         whose single use_stmt has a overlapping set of loaded and
7322         stored symbols as that use_stmt might be a noop assignment then.
7323
7324 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
7325
7326         * gthr-rtems.h: Implement __gthread_mutex_destroy.
7327
7328 2008-03-05  Richard Guenther  <rguenther@suse.de>
7329
7330         PR c++/35336
7331         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
7332         should be constants.
7333         * tree-cfg.c (verify_expr): Verify it.
7334         * fold-const.c (fold_truthop): Remove code generating
7335         BIT_FIELD_REFs of structure bases.
7336         (fold_binary): Likewise.
7337         (fold_ternary): Position and size of BIT_FIELD_REFs are
7338         always host integers.
7339         (make_bit_field_ref): Remove.
7340         (optimize_bit_field_compare): Remove.
7341         (all_ones_mask_p): Remove.
7342
7343 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
7344
7345         PR gcc/33009
7346         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
7347         (split_block_and_df_analyze): New. Split basic block and rebuild
7348         dataflow.
7349         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
7350         SPLIT_BLOCK.
7351         (split_pattern_seq): Likewise.
7352         (erase_matching_seqs): Likewise.
7353         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
7354
7355 2008-03-04  Geoff Keating  <geoffk@apple.com>
7356
7357         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
7358         declaration and code.
7359         (tree_invalid_nonnegative_warnv_p): Likewise.
7360
7361 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
7362
7363         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
7364         examples.  Truncate option-names then causing overfull hbox.
7365
7366 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7367
7368         PR target/35222
7369         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
7370         on hpux10.
7371         * configure: Rebuilt.
7372
7373 2008-03-04  Rafael Espindola  <espindola@google.com>
7374
7375         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
7376         (tree_unary_nonnegative_warnv_p): New.
7377         (tree_binary_nonnegative_warnv_p): New.
7378         (tree_single_nonnegative_warnv_p): New.
7379         (tree_invalid_nonnegative_warnv_p): New.
7380         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
7381
7382 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7383
7384         PR 28322
7385         * opts.c (handle_option): Postpone 'unknown option' errors only for
7386         warning options.
7387
7388 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
7389
7390         PR target/35453
7391         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
7392         (_SIDD_XXX): This.
7393
7394 2008-03-04  Rafael Espindola  <espindola@google.com>
7395
7396         * fold-const.c (tree_unary_nonzero_warnv_p): New.
7397         (tree_binary_nonzero_warnv_p): New.
7398         (tree_single_nonzero_warnv_p): New.
7399         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
7400
7401 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
7402
7403         PR middle-end/35456
7404         * fold-const.c (fold_cond_expr_with_comparison): Prevent
7405         transformations for modes that have signed zeros.
7406         * ifcvt.c (noce_try_abs): Ditto.
7407
7408 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
7409
7410         * config/i386/i386.c (override_options): Force
7411         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
7412
7413 2008-03-04  Jan Hubicka  <jh@suse.cz>
7414
7415         PR c++/35262
7416         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
7417         in last commit.
7418
7419 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
7420
7421         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
7422         label to probe the stack.
7423
7424 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
7425
7426         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
7427         (__gthr_win32_mutex_destroy): Declare.
7428         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
7429         __gthr_win32_mutex_destroy.
7430         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
7431
7432 2008-03-03  Jan Hubicka  <jh@suse.cz>
7433
7434         PR c++/35262
7435         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
7436         aggressive on inlining cold calls.
7437
7438 2008-03-03  Richard Guenther  <rguenther@suse.de>
7439
7440         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
7441         struct copies into the expression table.
7442         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
7443         (try_to_simplify): Likewise.
7444         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
7445         integral and pointer arguments which do not change the
7446         precision to NOP_EXPRs.
7447         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
7448         VIEW_CONVERT_EXPR case.
7449
7450 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
7451
7452         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
7453         defined in a loop at depth 0 is invariant.
7454         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
7455         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
7456         be called at loop depth 0.
7457
7458 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
7459
7460         PR driver/35420
7461         * gcc.c (process_command): Update copyright notice dates.
7462         * gcov.c (print_version): Likewise.
7463         * gcov-dump.c (print_version): Likewise.
7464         * mips-tfile.c (main): Likewise.
7465         * mips-tdump.c (main): Likewise.
7466
7467 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7468
7469         PR 24924
7470         * c-common.c (flag_permissive): Delete.
7471         (constant_expression_warnings): Check flags first.
7472         (constant_expression_error): New.
7473         * c-common.h (flag_permissive): Delete.
7474         (constant_expression_error): Declare.
7475         * flags.h (flag_permissive): Declare. Update description.
7476         * diagnostic.c (pedwarn): Update.
7477         (permerror): New.
7478         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
7479         (permissive_error_kind): New.
7480         * toplev.c (flag_permissive): Define. Update description.
7481         * toplev.h (permissive_error_kind): Declare.
7482         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
7483         (pedwarn_c90): Use pedantic_warning_kind.
7484         * c-opts.c (c_common_post_options): flag_permissive does not affect
7485         flag_pedantic_errors.
7486
7487 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
7488
7489         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
7490         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
7491         __absvsi2, __absvDI2): Use unsigned arithmetic.
7492
7493 2008-03-02  Andi Kleen  <ak@suse.de>
7494             Richard Guenther  <rguenther@suse.de>
7495
7496         * struct-equiv.c: Remove file.
7497         * cfg_cleanup.c (condjump_equiv_p): Remove.
7498         * Makefile.in (OBJS-common): Remove struct-equiv.o.
7499         (struct-equiv.o): Remove rule.
7500         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
7501         insns_match_p, struct_equiv_block_eq, struct_equiv_init,
7502         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
7503
7504 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
7505
7506         * ifcvt.c (noce_process_if_block): Try to handle only the then
7507         block if the else block exists but isn't suitable.
7508
7509 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
7510
7511         PR gcc/35063
7512         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
7513         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
7514         regression from previous patch.
7515
7516 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
7517
7518         PR gcc/35063
7519         * gthr.h: Add __gthread_mutex_destroy as a function that must be
7520         implemented.
7521         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
7522         * gthr-single.h (__gthread_mutex_destroy): Likewise.
7523         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
7524         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
7525         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
7526         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
7527         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
7528         (__gthread_mutex_destroy_function): Rename to
7529         __gthread_mutex_destroy.
7530         * gthr-dce.h (__gthread_mutex_destroy): Call
7531         pthread_mutex_destroy.
7532         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
7533         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
7534         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
7535
7536 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
7537
7538         * df-scan.c (df_ref_chain_change_bb): Simplify.
7539         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
7540         set_block_for_insn if there's any change.
7541         * df.h ((df_insn_change_bb): Fix prototype.
7542         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
7543         df_insn_change_bb, don't call set_block_for_insn.
7544         * emit-rtl.c (reorder_insns): Likewise.
7545         * haifa-sched.c (move_insn): Likewise.
7546
7547 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
7548
7549         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
7550
7551 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
7552
7553         * tree-flow-inline.h (next_readonly_imm_use): Return
7554         NULL_USE_OPERAND_P after the end.
7555
7556 2008-03-01  Richard Guenther  <rguenther@suse.de>
7557
7558         PR tree-optimization/35411
7559         * tree-sra.c (sra_build_assignment): Split conversion to
7560         final type to a separate statement if we are not assigning
7561         to a register.
7562
7563 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
7564
7565         * fold-const.c (fold_convertible_p): Correct the logic to follow
7566         that in fold_convert().
7567
7568 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
7569
7570         PR c++/35315
7571         * tree-inline.c (build_duplicate_type): When we make a
7572         duplicate type, make it unique in the canonical types system.
7573
7574 2008-02-29  Tom Tromey  <tromey@redhat.com>
7575
7576         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
7577         input_file_stack_history, input_file_stack_restored): Remove.
7578         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
7579         * input.h (struct file_stack): Remove.
7580         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
7581         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
7582         Likewise.
7583         * diagnostic.h (struct diagnostic_context) <last_module>: Change
7584         type.
7585         (diagnostic_last_module_changed): Add 'map' argument.
7586         (diagnostic_set_last_function): Likewise.
7587         * diagnostic.c (undiagnostic_report_current_module): Iterate using
7588         line map, not input_file_stack.
7589         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
7590
7591 2008-02-29  Paul Brook  <paul@codesourcery.com>
7592
7593         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
7594
7595 2008-02-29  Paul Brook  <paul@codesourcery.com>
7596
7597         * config/arm/ieee754-df.S (muldf3): Use RET macros.
7598
7599 2008-02-29  Richard Guenther  <rguenther@suse.de>
7600
7601         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
7602         vn_lookup_or_add.
7603         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
7604         value for comparing for a store match.
7605         (simplify_unary_expression): Do nothing for SSA_NAMEs.
7606         (try_to_simplify): Do not do a full-blown reference lookup.
7607
7608 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
7609
7610         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
7611         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
7612
7613         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
7614
7615 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
7616
7617         * tree-loop-linear.c (try_interchange_loops): Compare memory access
7618         strides against cache sizes.
7619
7620 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
7621
7622         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
7623         constant to fpul.
7624
7625 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
7626
7627         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
7628         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
7629         is smaller than the original promoted value.
7630         (simplify_subreg): If OP is a SUBREG, try to preserve its
7631         SUBREG_PROMOTED_VAR_P information.
7632
7633 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
7634
7635         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
7636         (VN_INFO_GET): Allocate new objects on the obstack.
7637         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
7638         for rpo_numbers_temp, for consistency.
7639         (free_scc_vn): Free the obstack.
7640
7641 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
7642
7643         * doc/invoke.texi: Document -ftree-loop-distribution.
7644         * tree-loop-distribution.c: New.
7645         * tree-pass.h (pass_loop_distribution): New.
7646         * graphds.h (struct graph): Add htab_t indices.
7647         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
7648         * tree-vectorizer.c (rename_variables_in_loop): Extern.
7649         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
7650         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
7651         * tree-data-ref.c (debug_data_dependence_relations): New.
7652         (dump_data_dependence_relation): Also print data references.
7653         (free_data_ref): Extern.
7654         (same_access_functions): Moved...
7655         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
7656         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
7657         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
7658         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
7659         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
7660         (stmts_from_loop): Skip LABEL_EXPR.
7661         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
7662         New.
7663         (build_rdg): Initialize rdg->indices htab.
7664         (free_rdg, stores_from_loop, ref_base_address,
7665         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
7666         have_similar_memory_accesses_1, ref_base_address_1,
7667         remove_similar_memory_refs): New.
7668         * tree-data-ref.h: Depend on tree-chrec.h.
7669         (debug_data_dependence_relations, free_data_ref): Declared.
7670         (same_access_functions): ... here.
7671         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
7672         New.
7673         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
7674         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
7675         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
7676         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
7677         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
7678         rdg_vertex_for_stmt): Declared.
7679         (struct rdg_edge): Add level.
7680         (RDGE_LEVEL): New.
7681         (free_rdg, stores_from_loop, remove_similar_memory_refs,
7682         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
7683         Declared.
7684         (rdg_has_similar_memory_accesses): New.
7685         * tree-vect-analyze.c: Remove unused static decls.
7686         * lambda.h (dependence_level): New.
7687         * common.opt (ftree-loop-distribution): New.
7688         * tree-flow.h (mark_virtual_ops_in_bb,
7689         slpeel_tree_duplicate_loop_to_edge_cfg,
7690         rename_variables_in_loop): Declared.
7691         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
7692         (OBJS-common): Add tree-loop-distribution.o.
7693         (tree-loop-distribution.o): New rule.
7694         * tree-cfg.c (mark_virtual_ops_in_bb): New.
7695         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
7696         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
7697
7698 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
7699
7700         PR target/33963
7701         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
7702         other than structures and unions.
7703
7704 2008-02-28  Richard Guenther  <rguenther@suse.de>
7705
7706         Revert:
7707         2008-02-26  Richard Guenther  <rguenther@suse.de>
7708
7709         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
7710         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
7711         (lookup_decl_from_uid): Declare.
7712         (remove_decl_from_map): Likewise.
7713         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
7714         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
7715         (decl_for_uid_map): New global hashtable mapping DECL_UID
7716         to the decl tree.
7717         (init_ttree): Allocate it.
7718         (insert_decl_to_uid_decl_map): New helper function.
7719         (make_node_stat): Insert new decls into the map.
7720         (copy_node_stat): Likewise.
7721         (lookup_decl_from_uid): New function.
7722         (remove_decl_from_map): Likewise.
7723         (print_decl_for_uid_map_statistics): New helper.
7724         (dump_tree_statistics): Call it.
7725
7726         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
7727         (referenced_var_iterator): Adjust.
7728         (FOR_EACH_REFERENCED_VAR): Adjust.
7729         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
7730         (num_referenced_vars): Adjust.
7731         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
7732         (first_referenced_var): Remove.
7733         (end_referenced_vars_p): Likewise.
7734         (next_referenced_var): Likewise.
7735         (referenced_var_iterator_set): New helper function.
7736         * tree-dfa.c (referenced_var_lookup): Adjust.
7737         (referenced_var_check_and_insert): Likewise.
7738         (remove_referenced_var): Likewise.
7739         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
7740         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7741         (verify_call_clobbering): Likewise.
7742         (verify_memory_partitions): Likewise.
7743         (init_tree_ssa): Allocate bitmap instead of hashtable for
7744         referenced_vars.
7745         (delete_tree_ssa): Adjust.
7746         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
7747         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7748         (compute_tag_properties): Likewise.
7749         (set_initial_properties): Likewise.
7750         (find_partition_for): Likewise.
7751         (update_reference_counts): Likewise.
7752         (dump_may_aliases_for): Likewise.
7753         * tree-ssa-operands.c (add_virtual_operand): Likewise.
7754         (add_call_clobber_ops): Likewise.
7755         (add_call_read_ops): Likewise.
7756         (get_asm_expr_operands): Likewise.
7757         * tree-into-ssa.c (dump_decl_set): Likewise.
7758         (update_ssa): Likewise.
7759         * tree-sra.c (scan_function): Likewise.
7760         (decide_instantiations): Likewise.
7761         (scalarize_parms): Likewise.
7762         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
7763         (dsa_named_for): Likewise.
7764         * tree-ssa-structalias.c (update_alias_info): Likewise.
7765         (merge_smts_into): Likewise.
7766
7767 2008-02-27  David Daney  <ddaney@avtrex.com>
7768
7769         PR target/34409
7770         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
7771         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
7772         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
7773         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
7774         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
7775
7776 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
7777
7778         PR target/25477
7779         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
7780         (BUILT_IN_NEXTTOWARD): Remove.
7781         (BUILT_IN_NEXTTOWARDF): Ditto.
7782         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
7783         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
7784
7785 2008-02-27  Tom Tromey  <tromey@redhat.com>
7786
7787         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
7788         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
7789
7790 2008-02-27  Jan Beulich  <jbeulich@novell.com>
7791
7792         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
7793         update the respective field on newdecl.
7794
7795 2008-02-27  Revital Eres  <eres@il.ibm.com>
7796
7797         PR rtl-optimization/34999
7798         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
7799         crossing edges that ends with a call insn.
7800         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
7801         call insn and clear the EDGE_CROSSING flag of the crossing edge
7802         when fixing fallthru edges.
7803
7804 2008-02-27  Richard Guenther  <rguenther@suse.de>
7805
7806         PR middle-end/35390
7807         * fold-const.c (fold_unary): Return the correct argument,
7808         converted to the result type.
7809
7810 2008-02-27  Richard Guenther  <rguenther@suse.de>
7811
7812         PR middle-end/34971
7813         * expr.c (expand_expr_real_1): Assert on rotates that operate
7814         on partial modes.
7815         * fold-const.c (fold_binary): Use the types precision, not the
7816         bitsize of the mode if folding rotate expressions.  Build rotates
7817         only for full modes.
7818
7819 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
7820
7821         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
7822         and CPP_PRAGMA_EOL.
7823         * c-pragma.c (pragma_ns_name): New typedef.
7824         (registered_pp_pragmas): New variable.
7825         (c_pp_lookup_pragma): New function.
7826         (c_register_pragma_1): If flag_preprocess_only, do nothing
7827         for non-expanded pragmas, for expanded ones push pragma's
7828         namespace and name into registered_pp_pragmas vector.
7829         (c_invoke_pragma_handler): Register OpenMP pragmas even when
7830         flag_preprocess_only, don't register GCC pch_preprocess
7831         pragma if flag_preprocess_only.
7832         * c-opts.c (c_common_init): Call init_pragma even if
7833         flag_preprocess_only.
7834         * c-pragma.c (c_pp_lookup_pragma): New prototype.
7835         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
7836         cpp_register_pragma if flag_preprocess_only.
7837
7838 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7839
7840         PR c/28800
7841         * c-parser.c (c_parser_translation_unit): Warn for empty
7842         translation unit, not empty source file.
7843
7844 2008-02-26  Paul Brook  <paul@codesourcery.com>
7845
7846         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
7847         operand for Thumb-2.
7848         * config/arm/arm.h (reg_class): Add CORE_REGS.
7849         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
7850         (BASE_REG_CLASS): Use CORE_REGS.
7851         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
7852         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
7853         (REGNO_OK_FOR_INDEX_P): Exclude SP.
7854         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
7855         ARM_REGNO_OK_FOR_INDEX_P.
7856         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
7857         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
7858         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
7859         (ldm/stm peepholes): Ditto.
7860         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
7861         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
7862         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
7863         * config/arm/constraints.md: Enable "k" constraint on ARM.
7864
7865 2008-02-27  Ben Elliston  <bje@au.ibm.com>
7866
7867         * config/rs6000/rs6000.c: Annotate cache line size field in all
7868         instances of struct processor_costs.
7869
7870 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
7871
7872         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
7873         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
7874         jump_bypass): New counters.
7875         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
7876         * dce.c (gate_ud_dce): Same.
7877         (gate_fast_dce): Same.
7878         * dse.c (gate_dse1): New function.
7879         (gate_dse2): New function.
7880         (gate_dse): Merge results of new gate functions.
7881         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
7882         (gate_handle_jump_bypass): Add dbg_cnt.
7883         (gate_handle_gcse): Add dbg_cnt.
7884         * ifcvt.c (gate_handle_if_conversion): Same.
7885         (gate_handle_if_after_combine): Same.
7886         (gate_handle_if_after_reload): Same.
7887         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
7888
7889 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
7890
7891         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
7892         line sizes.
7893         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
7894
7895 2008-02-26  Jason Merrill  <jason@redhat.com>
7896
7897         PR c++/35315
7898         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
7899         alone if it's the naming decl for the type's main variant.
7900
7901 2008-02-26  Tom Tromey  <tromey@redhat.com>
7902
7903         * system.h (USE_MAPPED_LOCATION): Poison.
7904         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
7905         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
7906         (make_goto_expr_edges): Likewise.
7907         (remove_bb): Likewise.
7908         (execute_warn_function_return): Likewise.
7909         * basic-block.h (struct edge_def) <goto_locus>: Change type to
7910         location_t.
7911         * c-common.c (fname_decl): Remove old location code.
7912         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
7913         location code.
7914         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
7915         variant.
7916         (ASM_INPUT_SOURCE_LOCATION): Likewise.
7917         (gen_rtx_ASM_INPUT): Likewise.
7918         (gen_rtx_ASM_INPUT_loc): Likewise.
7919         (get_rtx_asm_OPERANDS): Remove.
7920         * cfglayout.c (insn_locators_alloc): Remove old location code.
7921         (set_curr_insn_source_location): Likewise.
7922         (curr_insn_locator): Likewise.
7923         * print-tree.c (print_node): Remove old location code.
7924         * tree-mudflap.c (mf_varname_tree): Remove old location code.
7925         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
7926         * cfgexpand.c (expand_gimple_cond_expr): Don't use
7927         location_from_locus.
7928         (construct_exit_block): Remove old location code.
7929         * emit-rtl.c (force_next_line_note): Remove old location code.
7930         * profile.c (branch_prob): Remove old location code.
7931         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
7932         LOC_LINE): Remove old-location variants.
7933         * langhooks.c (lhd_print_error_function): Remove old location
7934         code.
7935         * configure, config.in: Rebuilt.
7936         * configure.ac (--enable-mapped-location): Remove.
7937         * c-decl.c (c_init_decl_processing): Remove old location code.
7938         (finish_function): Likewise.
7939         * recog.c (decode_asm_operands): Remove old location code.
7940         * c-pch.c (c_common_read_pch): Remove old location code.
7941         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
7942         variants.
7943         * gimple-low.c (lower_function_body): Remove old location code.
7944         * toplev.c (unknown_location): Remove.
7945         (push_srcloc): Remove old-location variant.
7946         (process_options): Remove old location code.
7947         (lang_dependent_init): Likewise.
7948         * input.h (UNKNOWN_LOCATION): Move definition.
7949         (location_t): Undeprecate.
7950         (source_locus): Remove.
7951         (location_from_locus): Remove.
7952         (struct location_s): Remove.
7953         Remove all old-location code.
7954         (input_line, input_filename): Remove.
7955         * final.c (final_scan_insn): Remove old location code.
7956         * diagnostic.c (diagnostic_build_prefix): Remove
7957         USE_MAPPED_LOCATION test.
7958         * tree.h (gimple_stmt) <locus>: Now a location_t.
7959         (tree_exp) <locus>: Likewise.
7960         (DECL_IS_BUILTIN): Remove old-location variant.
7961         (annotate_with_file_line, annotate_with_locus): Likewise.
7962         (expr_locus, set_expr_locus): Update.
7963         * tree.c (build1_stat): Remove old location code.
7964         (last_annotated_node): Remove.
7965         (annotate_with_file_line): Remove old-location variant.
7966         (annotate_with_locus): Likewise.
7967         (expr_location): Remove old location code.
7968         (set_expr_location): Likewise.
7969         (expr_has_location): Likewise.
7970         (expr_locus): Likewise.
7971         (set_expr_locus): Likewise.
7972         (expr_filename): Don't use location_from_locus.
7973         (expr_lineno): Likewise.
7974         * rtl-error.c (location_for_asm): Remove old location code.
7975         * c-lex.c (cb_line_change): Remove old location code.
7976         (fe_file_change): Likewise.
7977         (cb_def_pragma): Likewise.
7978         (c_lex_with_flags): Likewise.
7979         * gengtype.c (do_typedef): Don't special-case location types.
7980         (define_location_structures): Remove.
7981         (main): Don't call define_location_structures.
7982         * tree-pretty-print.c (dump_implicit_edges): Remove old location
7983         code.
7984
7985 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7986
7987         PR 26264
7988         * builtins.def (BUILT_IN_STDARG_START): Remove.
7989         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
7990         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
7991         * tree-inline.c (inline_forbidden_p_1): Likewise.
7992
7993 2008-02-26  Richard Guenther  <rguenther@suse.de>
7994
7995         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
7996         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
7997         (lookup_decl_from_uid): Declare.
7998         (remove_decl_from_map): Likewise.
7999         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
8000         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
8001         (decl_for_uid_map): New global hashtable mapping DECL_UID
8002         to the decl tree.
8003         (init_ttree): Allocate it.
8004         (insert_decl_to_uid_decl_map): New helper function.
8005         (make_node_stat): Insert new decls into the map.
8006         (copy_node_stat): Likewise.
8007         (lookup_decl_from_uid): New function.
8008         (remove_decl_from_map): Likewise.
8009         (print_decl_for_uid_map_statistics): New helper.
8010         (dump_tree_statistics): Call it.
8011
8012         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
8013         (referenced_var_iterator): Adjust.
8014         (FOR_EACH_REFERENCED_VAR): Adjust.
8015         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
8016         (num_referenced_vars): Adjust.
8017         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
8018         (first_referenced_var): Remove.
8019         (end_referenced_vars_p): Likewise.
8020         (next_referenced_var): Likewise.
8021         (referenced_var_iterator_set): New helper function.
8022         * tree-dfa.c (referenced_var_lookup): Adjust.
8023         (referenced_var_check_and_insert): Likewise.
8024         (remove_referenced_var): Likewise.
8025         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
8026         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
8027         (verify_call_clobbering): Likewise.
8028         (verify_memory_partitions): Likewise.
8029         (init_tree_ssa): Allocate bitmap instead of hashtable for
8030         referenced_vars.
8031         (delete_tree_ssa): Adjust.
8032         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
8033         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
8034         (compute_tag_properties): Likewise.
8035         (set_initial_properties): Likewise.
8036         (find_partition_for): Likewise.
8037         (update_reference_counts): Likewise.
8038         (dump_may_aliases_for): Likewise.
8039         * tree-ssa-operands.c (add_virtual_operand): Likewise.
8040         (add_call_clobber_ops): Likewise.
8041         (add_call_read_ops): Likewise.
8042         (get_asm_expr_operands): Likewise.
8043         * tree-into-ssa.c (dump_decl_set): Likewise.
8044         (update_ssa): Likewise.
8045         * tree-sra.c (scan_function): Likewise.
8046         (decide_instantiations): Likewise.
8047         (scalarize_parms): Likewise.
8048         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
8049         (dsa_named_for): Likewise.
8050         * tree-ssa-structalias.c (update_alias_info): Likewise.
8051         (merge_smts_into): Likewise.
8052
8053 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8054
8055         PR 34351
8056         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
8057         * c-opts.c (c_common_handle_option): Wall enables
8058         Wvolatile-register-var.
8059         * common.opt: Move Wvolatile-register-var to...
8060         * c.opt: ...here.
8061
8062 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8063
8064         * common.opt (Wlarger-than=): New.
8065         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
8066         -Wlarger-than=.
8067         * opts.c (common_handle_option): Handle -Wlarger-than=.
8068         * optc-gen.awk: Likewise.
8069         * opth-gen.awk: Likewise.
8070         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
8071         * tree-optimize.c (tree_rest_of_compilation): Likewise.
8072
8073 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8074
8075         * c-common.c (match_case_to_enum_1): Add appropriate
8076         OPT_W* parameter to warning.
8077         (c_do_switch_warnings): Likewise.
8078         * c-typeck.c (warning_init): Add one more parameter following
8079         'warning' function.
8080         (push_init_level): Update call to warning_init.
8081         (pop_init_level): Likewise.
8082         (add_pending_init): Likewise.
8083         (output_init_element: Likewise.
8084
8085 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8086
8087         PR 28322
8088         * toplev.c (toplev_main): If there are warnings or error, print
8089         errors for ignored options.
8090         * opts.c (ignored_options): New static variable.
8091         (postpone_unknown_option_error): New.
8092         (print_ignored_options): New.
8093         (handle_option): Postpone errors for unknown -Wno-* options.
8094         * opts.h (print_ignored_options): Declare.
8095
8096 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
8097
8098         * config/mips/mips.md (loadgp_blockage, blockage): Change type
8099         to "ghost".
8100
8101 2008-02-25  Richard Guenther  <rguenther@suse.de>
8102
8103         Revert:
8104         2008-02-25  Richard Guenther  <rguenther@suse.de>
8105
8106         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
8107         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
8108         (lookup_decl_from_uid): Declare.
8109         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
8110         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
8111         (decl_for_uid_map): New global hashtable mapping DECL_UID
8112         to the decl tree.
8113         (init_ttree): Allocate it.
8114         (insert_decl_to_uid_decl_map): New helper function.
8115         (make_node_stat): Insert new decls into the map.
8116         (copy_node_stat): Likewise.
8117         (lookup_decl_from_uid): New function.
8118         (print_decl_for_uid_map_statistics): New helper.
8119         (dump_tree_statistics): Call it.
8120
8121         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
8122         (referenced_var_iterator): Adjust.
8123         (FOR_EACH_REFERENCED_VAR): Adjust.
8124         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
8125         (num_referenced_vars): Adjust.
8126         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
8127         (first_referenced_var): Remove.
8128         (end_referenced_vars_p): Likewise.
8129         (next_referenced_var): Likewise.
8130         (referenced_var_iterator_set): New helper function.
8131         * tree-dfa.c (referenced_var_lookup): Adjust.
8132         (referenced_var_check_and_insert): Likewise.
8133         (remove_referenced_var): Likewise.
8134         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
8135         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
8136         (verify_call_clobbering): Likewise.
8137         (verify_memory_partitions): Likewise.
8138         (init_tree_ssa): Allocate bitmap instead of hashtable for
8139         referenced_vars.
8140         (delete_tree_ssa): Adjust.
8141         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
8142         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
8143         (compute_tag_properties): Likewise.
8144         (set_initial_properties): Likewise.
8145         (find_partition_for): Likewise.
8146         (update_reference_counts): Likewise.
8147         (dump_may_aliases_for): Likewise.
8148         * tree-ssa-operands.c (add_virtual_operand): Likewise.
8149         (add_call_clobber_ops): Likewise.
8150         (add_call_read_ops): Likewise.
8151         (get_asm_expr_operands): Likewise.
8152         * tree-into-ssa.c (dump_decl_set): Likewise.
8153         (update_ssa): Likewise.
8154         * tree-sra.c (scan_function): Likewise.
8155         (decide_instantiations): Likewise.
8156         (scalarize_parms): Likewise.
8157         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
8158         (dsa_named_for): Likewise.
8159         * tree-ssa-structalias.c (update_alias_info): Likewise.
8160         (merge_smts_into): Likewise.
8161
8162 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
8163
8164         PR fortran/29549
8165         * doc/invoke.texi (-fcx-limited-range): Document new option.
8166         * toplev.c (process_options): Handle -fcx-fortran-rules.
8167         * common.opt: Add documentation for -fcx-fortran-rules.
8168
8169 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
8170
8171         PR c/35162
8172         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
8173         actual behaviour and C99.
8174
8175 2008-02-26  Ben Elliston  <bje@au.ibm.com>
8176
8177         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
8178         (ASM_CPU_POWER6_SPEC): Likewise.
8179         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
8180         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
8181         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
8182
8183 2008-02-25  Richard Guenther  <rguenther@suse.de>
8184
8185         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
8186         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
8187         (lookup_decl_from_uid): Declare.
8188         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
8189         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
8190         (decl_for_uid_map): New global hashtable mapping DECL_UID
8191         to the decl tree.
8192         (init_ttree): Allocate it.
8193         (insert_decl_to_uid_decl_map): New helper function.
8194         (make_node_stat): Insert new decls into the map.
8195         (copy_node_stat): Likewise.
8196         (lookup_decl_from_uid): New function.
8197         (print_decl_for_uid_map_statistics): New helper.
8198         (dump_tree_statistics): Call it.
8199
8200         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
8201         (referenced_var_iterator): Adjust.
8202         (FOR_EACH_REFERENCED_VAR): Adjust.
8203         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
8204         (num_referenced_vars): Adjust.
8205         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
8206         (first_referenced_var): Remove.
8207         (end_referenced_vars_p): Likewise.
8208         (next_referenced_var): Likewise.
8209         (referenced_var_iterator_set): New helper function.
8210         * tree-dfa.c (referenced_var_lookup): Adjust.
8211         (referenced_var_check_and_insert): Likewise.
8212         (remove_referenced_var): Likewise.
8213         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
8214         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
8215         (verify_call_clobbering): Likewise.
8216         (verify_memory_partitions): Likewise.
8217         (init_tree_ssa): Allocate bitmap instead of hashtable for
8218         referenced_vars.
8219         (delete_tree_ssa): Adjust.
8220         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
8221         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
8222         (compute_tag_properties): Likewise.
8223         (set_initial_properties): Likewise.
8224         (find_partition_for): Likewise.
8225         (update_reference_counts): Likewise.
8226         (dump_may_aliases_for): Likewise.
8227         * tree-ssa-operands.c (add_virtual_operand): Likewise.
8228         (add_call_clobber_ops): Likewise.
8229         (add_call_read_ops): Likewise.
8230         (get_asm_expr_operands): Likewise.
8231         * tree-into-ssa.c (dump_decl_set): Likewise.
8232         (update_ssa): Likewise.
8233         * tree-sra.c (scan_function): Likewise.
8234         (decide_instantiations): Likewise.
8235         (scalarize_parms): Likewise.
8236         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
8237         (dsa_named_for): Likewise.
8238         * tree-ssa-structalias.c (update_alias_info): Likewise.
8239         (merge_smts_into): Likewise.
8240
8241 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
8242
8243         PR target/35258
8244         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
8245         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
8246         * alias.h (nonoverlapping_memrefs_p): Likewise.
8247
8248 2008-02-25  Jan Beulich  <jbeulich@novell.com>
8249
8250         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
8251         * config/i386/netware-libgcc.exp: Add __bswap?i2,
8252         __emultls_get_address, __emultls_register_common,
8253         __floatundi?f, and _Unwind_GetIPInfo.
8254         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
8255         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
8256         (gen_regparm_prefix): Likewise.
8257         (i386_nlm_encode_section_info): Sync with
8258         config/i386/winnt.c:i386_pe_encode_section_info().
8259         (i386_nlm_maybe_mangle_decl_assembler_name): New.
8260         i386_nlm_mangle_decl_assembler_name): New.
8261         (netware_override_options): New.
8262         * config/i386/netware.h (netware_override_options): Declare.
8263         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
8264         (i386_nlm_mangle_decl_assembler_name): Declare.
8265         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
8266
8267 2008-02-25  Ben Elliston  <bje@au.ibm.com>
8268
8269         PR other/32948
8270         * c-decl.c (grokdeclarator): Remove unused local variables
8271         `typedef_type' and `type_as_written'.
8272         * bb-reorder.c
8273         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
8274         unused local variable `has_hot_blocks'.
8275         (fix_crossing_conditional_branches): Remove unused local variable
8276         `prev_bb'.
8277
8278 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
8279
8280         PR middle-end/19984
8281         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
8282         using DEF_C99_BUILTIN.
8283         (BUILT_IN_NANF): Ditto.
8284         (BUILT_IN_NANL): Ditto.
8285
8286 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
8287             Revital Eres  <eres@il.ibm.com>
8288
8289         * modulo-sched.c (calculate_must_precede_follow): Address TODO
8290         regarding the order of two dependent insns in the same row.
8291
8292 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
8293
8294         * stor-layout.c (layout_decl): Do not bump the alignment of a
8295         bit-field to more than byte alignment if it is packed.
8296
8297 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
8298
8299         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
8300         e300c2 and e300c3.
8301
8302 2008-02-24  Diego Novillo  <dnovillo@google.com>
8303
8304         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
8305
8306         PR 33738
8307         * tree-vrp.c (vrp_evaluate_conditional): With
8308         -Wtype-limits, emit a warning when comparing against a
8309         constant outside the natural range of OP0's type.
8310         * c.opt (Wtype-limits): Move ...
8311         * common.opt (Wtype-limits): ... here.
8312
8313 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
8314
8315         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
8316         * config/rs6000/e300c2c3.md: New file.
8317         * config/rs6000/rs6000.c (processor_costs): Add new costs for
8318         e300c2 and e300c3.
8319         (rs6000_override_options): Add e300c2 and e300c3 cases to
8320         processor_target_table. Do not allow usage of Altivec or Spe
8321         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
8322         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
8323         * config/rs6000/rs6000.h (processor_type): Add
8324         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
8325         (ASM_CPU_SPEC): Add e300c2 and e300c3.
8326         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
8327         and ppce300c3. Include e300c2c3.md.
8328
8329 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
8330
8331         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
8332         instead of TARGET_STRICT_ALIGN.
8333
8334 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
8335
8336         * explow.c (memory_address): Assert that the generated address is
8337         valid.
8338
8339 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
8340
8341         PR target/25477
8342         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
8343         * config/darwin-ppc-ldouble-patch.def: New file.
8344         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
8345         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
8346         SUBTARGET_INIT_BUILTINS if defined.
8347         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
8348         New functions.
8349
8350 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8351
8352         PR rtl-opt/33512
8353         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
8354         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
8355
8356 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8357
8358         PR pch/35027
8359         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
8360         file" warning condtional on -Winvalid-PCH.
8361
8362 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
8363
8364         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
8365
8366 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
8367
8368         PR target/22076
8369         PR target/34256
8370         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
8371         prevent reload from using MMX registers.
8372         (*mov<mode>_internal): Ditto.
8373         (*movv2sf_internal_rex64): Ditto.
8374         (*movv2sf_internal): Ditto.
8375
8376 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8377
8378         PR documentation/31569
8379         * doc/install.texi2html: Use makeinfo --no-number-sections.
8380
8381 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
8382
8383         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
8384         ensure that we can address an entire entity > 8 bytes.  Don't
8385         generate reg+reg addressing for such data.
8386
8387 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
8388
8389         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
8390         strings when optimizing for size, unless the target cares about
8391         alignment.
8392
8393 2008-02-22  Tom Tromey  <tromey@redhat.com>
8394
8395         * regclass.c (current_pass): Remove declaration.
8396
8397 2008-02-22  Anatoly Sokolov <aesok@post.ru>
8398
8399         * config/avr/libgcc.S (__RAMPZ__): Define.
8400         (__do_copy_data): Add for devices with 128KB code memory.
8401
8402 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
8403
8404         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
8405         Use spe_abi.
8406         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
8407
8408 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
8409
8410         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
8411         GENNONACR_REGS.
8412
8413 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8414
8415         PR c/19999
8416         * c-typeck.c (build_binary_op): Warn about floating point
8417         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
8418
8419 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
8420
8421         PR target/34526
8422         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
8423         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
8424         add vrsave.
8425         (rs6000_override_options): Set altivec_abi as default, not override,
8426         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
8427         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
8428         is used; use new member spe_abi.
8429         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
8430         spe_abi and altivec_abi.
8431
8432 2008-02-22  Tomas Bily  <tbily@suse.cz>
8433
8434         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
8435
8436 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8437
8438         PR bootstrap/35273
8439         * config.build (build_file_translate): Set to `CMD //c' only if
8440         it works.
8441         * Makefile.in (build_file_translate): Improve comment.
8442
8443 2008-02-21  Jan Hubicka  <jh@suse.cz>
8444
8445         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
8446         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
8447         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
8448
8449 2008-02-21  Michael Matz  <matz@suse.de>
8450
8451         PR target/35264
8452         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
8453
8454 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
8455
8456         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
8457         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
8458         as insn constraint.
8459         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
8460         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
8461         SSE_VEC_FLOAT_MODE_P as insn constraint.
8462         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
8463         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
8464         sse4a_movntdf using MODEF mode iterator.
8465         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
8466         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
8467         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
8468         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
8469         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
8470         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
8471         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
8472
8473 2008-02-21  Richard Guenther  <rguenther@suse.de>
8474
8475         * tree.def (PAREN_EXPR): New tree code.
8476         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
8477         and PAREN_EXPR.
8478         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
8479         * expr.c (expand_expr_real_1): Likewise.
8480         * tree-inline.c (estimate_num_insns_1): Likewise.
8481         * tree-complex.c (expand_complex_move): Likewise.
8482         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
8483         as plain x.
8484
8485 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
8486
8487         PR target/35225
8488         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
8489
8490 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
8491
8492         PR target/35190
8493         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
8494
8495         * config/sh/sh.c (find_barrier): Don't go past
8496         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
8497
8498 2008-02-20  DJ Delorie  <dj@redhat.com>
8499
8500         * config/h8300/h8300.md (insv): Force source operand to be a register.
8501
8502         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
8503         as a jump, not as a plain insn.
8504
8505 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
8506
8507         * doc/invoke.texi (Warning Options): Add new option
8508         -Wframe-larger-than=.
8509         (-Wframe-larger-than): Document.
8510
8511         * flags.h (warn_frame_larger_than, frame_larger_than_size):
8512         Add declarations for new option variables.
8513
8514         * final.c (final_start_function): Check the frame size
8515         before emission and issue a Wframe-larger-than warning.
8516
8517         * opts.c (warn_frame_larger_than, frame_larger_than_size):
8518         Add definitions for new option variables.
8519         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
8520
8521         * common.opt (Wframe-larger-than=): New option.
8522
8523 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
8524
8525         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
8526         (<sse>_div<mode>3): Ditto.
8527         (<sse>_vmdiv<mode>3): Ditto.
8528         (<sse>_vmsqrt<mode>2): Ditto.
8529         (*smax<mode>3): Ditto.
8530         (sse5_frcz<mode>2): Ditto.
8531         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
8532         as insn constraint.
8533
8534 2008-02-20  Richard Guenther  <rguenther@suse.de>
8535
8536         PR middle-end/35265
8537         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
8538         be happy with INTEGRAL_TYPE_P.
8539
8540 2008-02-20  Richard Guenther  <rguenther@suse.de>
8541
8542         * fold-const.c (split_tree): Associate floatig-point expressions
8543         if flag_associative_math is set.
8544
8545 2008-02-20  Richard Guenther  <rguenther@suse.de>
8546
8547         * tree.h (fold_real_zero_addition_p): Declare.
8548         * fold-const.c (fold_real_zero_addition_p): Export.
8549         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
8550         floating-point operations with zero and one.
8551
8552 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
8553
8554         * doc/install.texi: Correct references to CFLAGS, replacing them
8555         with BOOT_CFLAGS.  Document flags used during bootstrap for
8556         target libraries.
8557
8558 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
8559
8560         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
8561         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
8562         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
8563         insn constraint.
8564         (smin<mode>3): Ditto from similar patterns.
8565         (smax<mode>3): Ditto.
8566         (*ieee_smin<mode>3): Ditto.
8567         (*ieee_smax<mode>3): Ditto.
8568         * config/i386/sse.md (sse): New mode attribute.
8569         (mov<mode>): Macroize expander from movv4sf and movv2df using
8570         SSEMODEF2P mode iterator.
8571         (<sse>_movnt<mode>): Ditto from similar patterns. Use
8572         SSE_VEC_FLOAT_MODE_P as insn constraint.
8573         (storent<mode>): Ditto.
8574         (storent<mode>): Macroize expander from storentsf and storentdf using
8575         MODEF mode iterator.
8576         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
8577         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
8578         (abs<mode>2): Ditto from similar patterns.
8579         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
8580         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
8581         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
8582         (<sse>_vmsqrt<mode>2): Ditto.
8583         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
8584         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
8585         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
8586         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
8587         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
8588         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
8589         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
8590         insn constraint.
8591         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
8592         iterator and SSE_FLOAT_MODE_P as insn constraint.
8593         (<sse>_ucomi): Ditto from similar patterns.
8594         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
8595         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
8596         SSE_VEC_FLOAT_MODE_P as insn constraint.
8597         (vcond<mode>): Ditto from similar patterns.
8598         (and<mode>3, *and<mode>3): Ditto.
8599         (<sse>_nand<mode>3): Ditto.
8600         (ior<mode>3, *ior<mode>3): Ditto.
8601         (xor<mode>3, *xor<mode>3): Ditto.
8602         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
8603         iterator and SSE_FLOAT_MODE_P as insn constraint.
8604         (*nand<mode>3): Ditto from similar patterns.
8605         (*ior<mode>3): Ditto.
8606         (*xor<mode>3): Ditto.
8607
8608 2008-02-20  Ira Rosen  <irar@il.ibm.com>
8609
8610         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
8611         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
8612         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
8613
8614 2008-02-19  Jan Hubicka  <jh@suse.cz>
8615
8616         * predict.c (tree_bb_level_predictions): Remove variable next
8617         mistakely introduced by previous commit.
8618
8619 2008-02-19  Jan Hubicka  <jh@suse.cz>
8620
8621         * predict.c (predict_paths_leading_to): Rewrite.
8622         (predict_paths_for_bb): New.
8623         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
8624
8625 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8626
8627         PR bootstrap/35218
8628         * Makefile.in (build_file_translate): New.
8629         (gcc-vers.texi): Use it for translating $(abs_srcdir).
8630         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
8631         * configure.ac (build_file_translate): Substitute it.
8632         * configure: Regenerate.
8633
8634 2008-02-19  Jan Hubicka  <jh@suse.cz>
8635
8636         PR rtl-optimization/34408
8637         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
8638         invalid sharing.
8639
8640 2008-02-19  Jan Hubicka  <jh@suse.cz>
8641
8642         PR middle-end/28779
8643         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
8644         call_expr.
8645
8646 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
8647
8648         PR Ada/35186
8649         * config/i386/i386-modes.def: Revert the last DI alignment
8650         change until Ada people can look into it.
8651
8652 2008-02-19  Nick Clifton  <nickc@redhat.com>
8653
8654         * opts.c (print_specific_help): Fix typo in --help text.
8655
8656 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
8657
8658         PR target/35239
8659         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
8660         32-bit inline asm without asm alternatives for host GCC < 3.0.
8661
8662 2008-02-19  Richard Guenther  <rguenther@suse.de>
8663
8664         PR tree-optimization/34989
8665         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
8666         Allow propagation to INDIRECT_REF if we can simplify only.
8667
8668 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8669
8670         * c-common.c (warn_for_collisions_1): Use appropriate option when
8671         warning.
8672
8673 2008-02-19  Nick Clifton  <nickc@redhat.com>
8674
8675         PR other/31349
8676         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
8677         (handle_options): Fix indentation.
8678         (print_filtered_help): If no language-specific options were
8679         displayed tell the user how to list all the options supported by
8680         the language's front-end.
8681         (print_specific_help): Fix indentation and remove duplicate line.
8682         (common_handle_option): Handle the -v option.
8683         For --help enable the display of undocumented options if the -v
8684         switch has been included on the command line.
8685         For --help= check for overlaps in the arguments between the option
8686         classes and the language names and issue a warning when they
8687         cannot be disambiguated.
8688         * c.opt (v): Pass on to the common option handler.
8689
8690 2008-02-19  Revital Eres  <eres@il.ibm.com>
8691
8692         * modulo-sched.c (sms_schedule): Change dump message when
8693         create_ddg function fails.
8694         (try_scheduling_node_in_cycle): Rename row to cycle.
8695         (print_partial_schedule): Rename CYCLE to ROW.
8696
8697 2008-02-19  Christian Bruel  <christian.bruel@st.com>
8698             Zdenek Dvorak  <ook@ucw.cz>
8699
8700         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
8701
8702 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
8703
8704         PR target/33555
8705         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
8706         (*x86_movdicc_0_m1_se): Ditto.
8707
8708 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
8709
8710         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
8711         (CMPtype): Define as __gcc_CMPtype.
8712         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
8713         (CMPtype): Define as __gcc_CMPtype.
8714
8715 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
8716
8717         Support valgrind 3.3 for --enable-checking=valgrind.
8718         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
8719         here.
8720         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
8721         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
8722         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
8723         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
8724         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
8725         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
8726         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
8727         respectively.
8728         * ggc-zone.c: Similar.
8729         * ggc-page.c: Similar.
8730
8731 2008-02-19  Paul Brook  <paul@codesourcery.com>
8732
8733         PR target/35071
8734         * config/arm/ieee754-df.S: Fix do_it typo.
8735         * config/arm/ieee754-sf.S: Fix do_it typo.
8736
8737 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
8738
8739         PR target/35189
8740         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
8741         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
8742         (OPTION_MASK_ISA_SSE_SET): Likewise.
8743         (OPTION_MASK_ISA_SSE2_SET): Likewise.
8744         (OPTION_MASK_ISA_SSE3_SET): Likewise.
8745         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
8746         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
8747         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
8748         (OPTION_MASK_ISA_SSE4_SET): Likewise.
8749         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
8750         (OPTION_MASK_ISA_SSE5_SET): Likewise.
8751         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
8752         (OPTION_MASK_ISA_MMX_UNSET): Updated.
8753         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
8754         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
8755         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
8756         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
8757         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
8758         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
8759         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
8760         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
8761         (OPTION_MASK_ISA_SSE4): Removed.
8762         (ix86_handle_option): Turn on bits in ix86_isa_flags and
8763         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
8764         (override_options): Don't turn on implied SSE/MMX bits in
8765         ix86_isa_flags.
8766
8767 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
8768
8769         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
8770         32bit host.
8771
8772 2008-02-18  Joey Ye  <joey.ye@intel.com>
8773
8774         PR middle-end/34921
8775         * tree-nested.c (insert_field_into_struct): Set type alignment
8776         to field alignment if the former is less than the latter.
8777
8778 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
8779
8780         * BASE-VER: Set to 4.4.0.
8781
8782 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
8783
8784         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
8785         * doc/cfg.texi: Likewise.
8786         * doc/extend.texi: Likewise.
8787         * doc/gty.texi: Likewise.
8788         * doc/invoke.texi: Likewise.
8789         * doc/loop.texi: Likewise.
8790         * doc/md.texi: Likewise.
8791         * doc/passes.texi: Likewise.
8792         * doc/rtl.texi: Likewise.
8793         * doc/sourcebuild.texi: Likewise.
8794         * doc/tm.texi: Likewise.
8795         * doc/tree-ssa.texi: Likewise.
8796
8797 2008-02-17  Richard Guenther  <rguenther@suse.de>
8798
8799         PR middle-end/35227
8800         * tree-complex.c (init_parameter_lattice_values): Handle parameters
8801         without default definition.
8802
8803 2008-02-17  Richard Guenther  <rguenther@suse.de>
8804
8805         PR tree-optimization/35231
8806         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
8807         if A | B != 1.
8808
8809 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
8810
8811         Revert:
8812         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
8813         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
8814         libgcc_cmp_return mode.
8815
8816 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8817
8818         PR c/28368
8819         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
8820
8821 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
8822
8823         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
8824         multilibs.
8825
8826 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8827
8828         * doc/c-tree.texi: Use `@.' where appropriate.
8829         * doc/extend.texi: Likewise.
8830         * doc/install.texi: Likewise.
8831         * doc/invoke.texi: Likewise.
8832         * doc/loop.texi: Likewise.
8833         * doc/makefile.texi: Likewise.
8834         * doc/md.texi: Likewise.
8835         * doc/passes.texi: Likewise.
8836         * doc/standards.texi: Likewise.
8837         * doc/tm.texi: Likewise.
8838
8839 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
8840
8841         PR middle-end/35196
8842         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
8843         in entry_bb.
8844         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
8845         rather than in entry_bb.
8846
8847 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
8848
8849         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
8850         libgcc_cmp_return mode.
8851
8852 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
8853
8854         PR middle-end/35130
8855         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
8856         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
8857
8858 2008-02-15  Richard Guenther  <rguenther@suse.de>
8859             Zdenek Dvorak  <ook@ucw.cz>
8860
8861         PR tree-optimization/35164
8862         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
8863         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
8864         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
8865         Only propagate addresses which do not have abnormal SSA_NAMEs
8866         in their operands.
8867
8868 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
8869
8870         PR target/35088
8871         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
8872
8873 2008-02-15  Jan Hubicka  <jh@suse.cz>
8874
8875         PR middle-end/35149
8876         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
8877
8878 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
8879
8880         PR middle-end/34621
8881         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
8882         when calculating alignment_pad.
8883
8884 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
8885
8886         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
8887         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
8888         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
8889         and STACK_BOUNDARY define.
8890
8891 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
8892
8893         PR preprocessor/35061
8894         * c-pragma.c (handle_pragma_pop_macro): Check that
8895         pushed_macro_table has been allocated.
8896
8897 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
8898
8899         PR middle-end/35136
8900         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
8901         (force_gimple_operand): Likewise.
8902         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
8903         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
8904         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
8905         (find_interesting_uses_address): Check addressability and alignment
8906         of the base expression only after substituting bases of IVs into it.
8907
8908 2008-02-14  Michael Matz  <matz@suse.de>
8909
8910         PR target/34930
8911         * function.c (instantiate_virtual_regs_in_insn): Reload address
8912         before falling back to reloading the whole operand.
8913
8914 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
8915
8916         * config/s390/s390.c (s390_mainpool_start): Emit the pool
8917         before the first section switch note.
8918
8919 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
8920
8921         * doc/bugreport.texi: Update copyright years.
8922         * doc/c-tree.texi: Likewise.
8923         * doc/cfg.texi: Likewise.
8924         * doc/cpp.texi: Likewise.
8925         * doc/cppinternals.texi: Likewise.
8926         * doc/fragments.texi: Likewise.
8927         * doc/frontends.texi: Likewise.
8928         * doc/gcc.texi: Likewise.
8929         * doc/gty.texi: Likewise.
8930         * doc/hostconfig.texi: Likewise.
8931         * doc/implement-c.texi: Likewise.
8932         * doc/libgcc.texi: Likewise.
8933         * doc/loop.texi: Likewise.
8934         * doc/makefile.texi: Likewise.
8935         * doc/options.texi: Likewise.
8936         * doc/passes.texi: Likewise.
8937         * doc/rtl.texi: Likewise.
8938         * doc/sourcebuild.texi: Likewise.
8939         * doc/standards.texi: Likewise.
8940         * doc/tree-ssa.texi: Likewise.
8941         * doc/trouble.texi: Likewise.
8942
8943         * doc/extend.texi: Use @: or add comma where appropriate.
8944         * doc/invoke.texi: Likewise.
8945         * doc/tm.texi: Likewise.
8946
8947 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
8948
8949         PR target/34393
8950         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
8951         to a reg.
8952
8953 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
8954
8955         * doc/md.texi (clz, ctz): Add reference.
8956         * doc/rtl.texi (clz, ctz): Likewise.
8957
8958 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8959
8960         PR other/35148
8961         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
8962         srcdir.
8963
8964 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
8965
8966         * config/s390/s390.c (struct constant_pool): New field
8967         emit_pool_after added.
8968         (s390_mainpool_start): Set the emit_pool_after flag according
8969         to the section switch notes.
8970         (s390_mainpool_finish): Consider emit_pool_after when emitting
8971         the literal pool at the end of the function.
8972         (s390_chunkify_start): Force literal pool splits at section
8973         switch notes.
8974
8975 2008-02-13  Michael Matz  <matz@suse.de>
8976
8977         PR debug/35065
8978         * var-tracking.c (clobber_variable_part): Correctly traverse the
8979         list.
8980
8981 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8982
8983         PR 29673
8984         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
8985         Add -fdump-ipa-inline.
8986         * tree-dump.c (dump_files): Remove tree-inlined dump.
8987         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
8988
8989 2008-02-12  Richard Guenther  <rguenther@suse.de>
8990
8991         PR tree-optimization/35171
8992         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
8993         default defs.
8994
8995 2008-02-12  Richard Guenther  <rguenther@suse.de>
8996
8997         PR middle-end/35163
8998         * fold-const.c (fold_widened_comparison): Use get_unwidened in
8999         value-preserving mode.  Disallow final truncation.
9000
9001 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
9002
9003         PR middle-end/35136
9004         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
9005         code from here to...
9006         (force_gimple_operand): ...here.
9007
9008 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
9009
9010         PR c++/35144
9011         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
9012         non-compatible pointers.
9013         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
9014         different FIELD_DECLs, try harder by comparing field offsets, sizes
9015         and types.
9016
9017         PR inline-asm/35160
9018         * function.c (match_asm_constraints_1): Don't replace the same input
9019         multiple times.
9020
9021 2008-02-12  Anatoly Sokolov <aesok@post.ru>
9022
9023         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
9024         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
9025         (expand_epilogue): Restore RAMPZ register.
9026         * config/avr/avr.md (RAMPZ_ADDR): New constant.
9027
9028 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
9029
9030         * config/i386/cygwin.asm: (__alloca): Correct calling
9031         convention and alignment.
9032         (__chkstk): Force 8 byte stack alignment.
9033
9034 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
9035             Richard Guenther  <rguenther@suse.de>
9036
9037         PR tree-optimization/33992
9038         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
9039         the zero we compare against.
9040
9041 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
9042
9043         PR libfortran/35063
9044         * gthr-win32.h (__gthread_mutex_destroy_function): New function
9045         to CloseHandle after unlocking to prevent accumulation of handle
9046         count.
9047
9048 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9049
9050         PR middle_end/34150
9051         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
9052         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
9053         and update LABEL_NUSES during and after reload.
9054
9055 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
9056
9057         PR middle-end/34627
9058         * combine.c (simplify_if_then_else): Make sure the comparison is
9059         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
9060
9061 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
9062
9063         PR bootstrap/35051
9064         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
9065         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
9066         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
9067         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
9068         * tree.h (get_type_static_bounds): Likewise.
9069
9070 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9071
9072         * doc/invoke.texi (Option Summary, C++ Dialect Options)
9073         (Objective-C and Objective-C++ Dialect Options, Warning Options):
9074         Make -Wfoo language annotations match what the compiler outputs.
9075
9076 2008-02-08  Sa Liu  <saliu@de.ibm.com>
9077
9078         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
9079         intrinsics spu_convts, spu_convtu, spu_convtf.
9080
9081 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
9082
9083         * doc/extend.texi (Function Attributes) <noinline>: Mention
9084         asm ("") as method to keep calls.
9085
9086 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9087
9088         PR other/32754
9089         * doc/options.texi (Options): Replace references to opts.sh with
9090         optc-gen.awk.
9091         * opts-common.c: Likewise.
9092         * optc-gen.awk: Likewise.
9093
9094 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
9095
9096         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
9097
9098 2008-02-07  Richard Henderson  <rth@redhat.com>
9099
9100         PR rtl-opt/33410
9101         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
9102         EXPR_LIST for the REG_EQUAL instead of a comparison with a
9103         funny mode.
9104
9105 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
9106
9107         PR tree-optimization/35085
9108         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
9109         for operand entry oe2 in addition to operand entry oe3 in order to
9110         expose more opportunities for vectorizer sum reduction.
9111
9112 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9113
9114         PR other/35107
9115         * Makefile.in (LIBS): Remove $(GMPLIBS).
9116         (cc1-dummy, cc1): Add $(GMPLIBS).
9117
9118 2008-02-06  Jan Hubicka  <jh@suse.cz>
9119
9120         PR target/23322
9121         * i386.md (moddf_integer): Do not produce partial memory stalls for
9122         targets where it hurts.
9123
9124 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
9125
9126         PR target/35083
9127         * optabs.c (expand_float): Do not check for decimal modes when
9128         expanding unsigned integer through signed conversion.
9129
9130 2008-02-06  Nick Clifton  <nickc@redhat.com>
9131
9132         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
9133         inside the clobber with a match_operand and duplicated operand
9134         number in the constraint.
9135         (ineqbranchsi): Delete redundant comment.
9136
9137 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
9138
9139         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
9140         builtin_define ("__USE_INIT_FINI__").
9141         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
9142         -msx multilibs.
9143         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
9144
9145 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9146
9147         PR documentation/30330
9148         * doc/invoke.texi (C++ Dialect Options)
9149         (Objective-C and Objective-C++ Dialect Options, Warning Options):
9150         For each warning option -Wfoo that allows -Wno-foo, ensure both
9151         -Wfoo and -Wno-foo are listed in the option index.  Fix index
9152         entry of -Wswitch-default, index -Wnormalized= including the
9153         `=', and -Wlarger-than-@var{len} including @var{len}.
9154
9155 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
9156
9157         * config/i386/i386.md (floatunssisf2): Use
9158         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
9159         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
9160         Macroize expander using MODEF mode iterator.
9161
9162 2008-02-05  Diego Novillo  <dnovillo@google.com>
9163
9164         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
9165
9166         PR 33738
9167         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
9168
9169 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9170
9171         PR other/35070
9172         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
9173
9174 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
9175
9176         PR target/35084
9177         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
9178         to indicate if a message should be generated.
9179         (init_cumulative_args): Updated.
9180         (function_value_32): Likewise.
9181
9182 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
9183
9184         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
9185
9186 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
9187
9188         PR target/35083
9189         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
9190         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
9191
9192 2008-02-04  Diego Novillo  <dnovillo@google.com>
9193
9194         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
9195
9196         PR 33738
9197         * tree-vrp.c (vrp_evaluate_conditional): With
9198         -Wtype-limits, emit a warning when comparing against a
9199         constant outside the natural range of OP0's type.
9200
9201 2008-02-04  Richard Guenther  <rguenther@suse.de>
9202
9203         PR middle-end/33631
9204         * expr.c (count_type_elements): Give for unions instead of
9205         guessing.
9206
9207 2008-02-04  Richard Guenther  <rguenther@suse.de>
9208
9209         PR middle-end/35043
9210         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
9211         to TYPE_DOMAINs base type instead of using bitsizetype here.
9212
9213 2008-02-03  Jason Merrill  <jason@redhat.com>
9214
9215         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
9216
9217 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9218
9219         PR other/29972
9220         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
9221         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
9222         (RS/6000 and PowerPC Options): Fix typos and markup.
9223         * doc/passes.texi (Tree-SSA passes): Likewise.
9224
9225 2008-02-02  Michael Matz  <matz@suse.de>
9226
9227         PR target/35045
9228         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
9229         from record_last_reg_set_info.
9230         (record_last_reg_set_info): Take an RTX argument, iterate over all
9231         constituent hardregs.
9232         (record_last_set_info, record_opr_changes): Change calls to
9233         new signature or to record_last_reg_set_info_regno.
9234
9235 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
9236
9237         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
9238
9239 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
9240
9241         PR rtl-optimization/34773
9242         * reg-notes.def (EQUAL): Mention significance of combination of
9243         REG_EQUAL and REG_RETVAL.
9244         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
9245         insn that has a REG_RETVAL.
9246
9247 2008-02-01  Roger Sayle  <roger@eyesopen.com>
9248
9249         PR bootstrap/33781
9250         * configure.ac (--enable-fixed-point): Disable unless explicitly
9251         requested on IRIX.
9252         * configure: Regenerate.
9253
9254 2008-02-01  Richard Guenther  <rguenther@suse.de>
9255
9256         PR other/35042
9257         * invoke.texi (-finline-limit): Remove no longer true parts
9258         of the documentation.  Note that there is no default value.
9259
9260 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
9261             Mark Mitchell  <mark@codesourcery.com>
9262             Ben Elliston  <bje@au.ibm.com>
9263
9264         PR c/29326
9265         * doc/extend.texi (Other Builtins): Document.
9266
9267 2008-01-31  Tom Browder <tom.browder@gmail.com>
9268
9269         * doc/c-tree.texi (Types): Fix grammar.
9270         (Expression trees): Ditto.
9271         * doc/passes.texi (Tree-SSA passes): Ditto.
9272
9273         * doc/configterms.texi (Configure Terms): Fix typo.
9274         * doc/cpp.texi (Common Predefined Macros): Ditto.
9275         * doc/md.texi (Machine Constraints): Ditto.
9276
9277         * doc/makefile.texi (Makefile): Add comma.
9278
9279 2008-01-31  Tom Browder  <tom.browder@gmail.com>
9280             Gerald Pfeifer  <gerald@pfeifer.com>
9281
9282         * doc/sourcebuild.texi (Front End): Remove references to CVS
9283         and CVSROOT/modules.
9284         (Texinfo Manuals): Replace reference to CVS by one to SVN.
9285         (Back End): Remove reference to CVS.
9286
9287 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
9288
9289         PR target/34900
9290         * config/mips/mips.c (gen_load_const_gp): New function, taking a
9291         comment from...
9292         (mips16_gp_pseudo_reg): ...here.
9293         * config/mips/mips.md (load_const_gp): Replace with...
9294         (load_const_gp_<mode>): ...this :P-based insn.
9295
9296 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9297
9298         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
9299         options. Minor fixes.
9300         (-std): Move reference to standards closer to where language
9301         standards are first mentioned.
9302
9303 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
9304
9305         PR rtl-optimization/34995
9306         * reload.c (alternative_allows_const_pool_ref): Take an rtx
9307         parameter and return a bool.  If the rtx parameter is nonnull,
9308         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
9309         (find_reloads): Update call accordingly.  Pass the new operand
9310         if it needed no address reloads, otherwise pass null.
9311
9312 2008-01-30  Richard Henderson  <rth@redhat.com>
9313
9314         PR c/34993
9315         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
9316         for unbounded arrays.
9317
9318 2008-01-30  Silvius Rus  <rus@google.com>
9319
9320         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
9321
9322 2008-01-30  Jan Hubicka  <jh@suse.cz>
9323
9324         PR target/34982
9325         * i386.c (init_cumulative_args): Use real function declaration when
9326         calling locally.
9327
9328 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
9329
9330         PR rtl-optimization/34998
9331         * global.c (build_insn_chain): Treat non-subreg_lowpart
9332         SUBREGs of pseudos as clobbering all the words covered by the
9333         SUBREG, not just all the bytes.
9334         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
9335         original df_ref rather than an extract parameter.
9336         (global_conflicts): Update call accordingly.
9337
9338 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
9339
9340         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
9341         the overflow check to make it easier to read.
9342         (__fixtfdi): Change the type of the ll member in union
9343         long_double to UDItype_x.
9344
9345 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
9346
9347         PR middle-end/34969
9348         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
9349         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
9350         * tree-inline.c (fold_marked_statements): Call
9351         cgraph_update_edges_for_call_stmt if folding a call statement.
9352         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
9353         debug_generic_stmt calls, reset it back afterwards.
9354
9355         PR c/35017
9356         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
9357         static decls.
9358         * c-typeck.c (build_external_ref): Don't pedwarn about
9359         static vars in current function's scope.
9360
9361 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
9362
9363         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
9364
9365 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
9366
9367         PR c/35002
9368         * ipa-struct-reorg.c: Fix spelling.
9369         * params.def: Ditto.
9370
9371 2008-01-29  Richard Guenther  <rguenther@suse.de>
9372
9373         PR middle-end/35006
9374         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
9375         field.
9376         * tree-inline.c (remap_type): Increment remapping_type_depth
9377         around remapping types.
9378         (copy_body_r): Only add referenced variables if they are referenced
9379         from code, not types.
9380
9381 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
9382
9383         PR c++/34055
9384         PR c++/34103
9385         PR c++/34219
9386         PR c++/34606
9387         PR c++/34753
9388         PR c++/34754
9389         PR c++/34755
9390         PR c++/34919
9391         PR c++/34961
9392         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
9393         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
9394
9395 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
9396
9397         PR target/34412
9398         * config/avr/avr.c (expand_prologue): Use correct QI mode frame
9399         pointer for tiny stack.
9400
9401 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
9402
9403         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
9404
9405 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
9406
9407         * config/vx-common.h: Fix typo in comment.
9408
9409 2008-01-28  Ian Lance Taylor  <iant@google.com>
9410
9411         PR c++/34862
9412         PR c++/33407
9413         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
9414         coalesce pointers if they have different DECL_NO_TBAA_P values.
9415         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
9416         between variables with different DECL_NO_TBAA_P values.
9417
9418 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
9419
9420         PR 31535
9421         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
9422         are not legitimate small data references on SPE targets.
9423
9424 2008-01-28  David Daney  <ddaney@avtrex.com>
9425
9426         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
9427
9428 2008-01-28  David Daney  <ddaney@avtrex.com>
9429
9430         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
9431
9432 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
9433
9434         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
9435         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
9436         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
9437         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
9438         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
9439         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
9440         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
9441         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
9442
9443 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
9444
9445         * basic-block.h (condjump_equiv_p): Fix comment.
9446
9447 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
9448
9449         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
9450         print_generic_stmt_indented): Fix comment.
9451
9452 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
9453
9454         * configure.ac (__stack_chk_fail): Add detecion for availability
9455         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
9456         * configure: Regenerate.
9457
9458 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
9459
9460         PR middle-end/34688
9461         * final.c (output_addr_const): Handle TRUNCATE.
9462
9463 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
9464
9465         PR target/34711
9466         * tree-ssa-loop-ivopts.c (comp_cost): New type.
9467         (zero_cost, infinite_cost): New constants.
9468         (struct cost_pair): Change type of cost to comp_cost.
9469         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
9470         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
9471         New functions.
9472         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
9473         split_address_cost, ptr_difference_cost, difference_cost,
9474         get_computation_cost_at, get_computation_cost,
9475         determine_use_iv_cost_generic, determine_use_iv_cost_address,
9476         determine_use_iv_cost_condition, determine_use_iv_costs,
9477         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
9478         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
9479         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
9480         Change type of cost to comp_cost.
9481         (determine_iv_cost): Increase cost of non-original ivs, instead
9482         of decreasing the cost of original ones.
9483         (get_address_cost): Indicate the complexity of the addressing mode
9484         in comp_cost.
9485         (try_add_cand_for): Prefer using ivs not specific to some object.
9486         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
9487
9488 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
9489             Janis Johnson  <janis187@us.ibm.com>
9490
9491         PR target/34814
9492         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
9493         (TARGET_INSTANTIATE_DECLS): Likewise.
9494         * target.h (expand_to_rtl_hook): New target hook.
9495         (instantiate_decls): Likewise.
9496         * function.c (instantiate_decl): Make non-static.  Rename to...
9497         (instantiate_decl_rtl): ... this.
9498         (instantiate_expr): Use instantiate_decl_rtl.
9499         (instantiate_decls_1): Likewise.
9500         (instantiate_decls): Likewise.
9501         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
9502         * function.h (instantiate_decl_rtl): Add prototype.
9503         * cfgexpand.c (target.h): New include.
9504         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
9505         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
9506         (TARGET_INSTANTIATE_DECLS): Likewise.
9507         (TARGET_INITIALIZER): New target hooks added.
9508         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
9509         New prototype.
9510         * config/rs6000/rs6000.c (tree-flow.h): New include.
9511         (machine_function): Add sdmode_stack_slot field.
9512         (rs6000_alloc_sdmode_stack_slot): New function.
9513         (rs6000_instantiate_decls): Likewise.
9514         (rs6000_secondary_memory_needed_rtx): Likewise.
9515         (rs6000_check_sdmode): Likewise.
9516         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
9517         (TARGET_INSTANTIATE_DECLS): Likewise.
9518         (rs6000_hard_regno_mode_ok): Allow SDmode.
9519         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
9520         (rs6000_emit_move): Handle SDmode.
9521         (function_arg_advance): Likewise.
9522         (function_arg): Likewise.
9523         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
9524         SDmode var args for 32-bit compiles.
9525         (rs6000_secondary_reload_class): Handle SDmode.
9526         (rs6000_output_function_epilogue): Likewise.
9527         (rs6000_function_value): Simplify if statement.
9528         (rs6000_libcall_value): Likewise.
9529         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
9530         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
9531         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
9532         (movsd_hardfloat): New define_insn.
9533         (movsd_softfloat): Likewise.
9534         (movsd_store): Likewise.
9535         (movsd_load): Likewise.
9536         (extendsddd2): Likewise.
9537         (extendsdtd2): Likewise.
9538         (truncddsd2): Likewise.
9539         (movdd_hardfloat64): Fixup comment.
9540         (UNSPEC_MOVSD_LOAD): New constant.
9541         (UNSPEC_MOVSD_STORE): Likewise.
9542
9543 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
9544
9545         PR c++/34965
9546         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
9547         TRUTH_XOR_EXPR.
9548         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
9549         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
9550         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
9551         and TRUTH_XOR_EXPR.
9552
9553 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
9554
9555         PR target/34794
9556         * config.gcc: Separate AIX 5.3 from AIX 6.1.
9557         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
9558         __LONGDOUBLE128 too.
9559         * config/rs6000/aix61.h: New file.
9560
9561 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
9562
9563         PR rtl-optimization/34959
9564         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
9565         popcount and parity rtxes the same mode as their operand.
9566         Truncate or extend the result to the return value's mode
9567         if necessary.
9568
9569 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
9570
9571         PR target/34981
9572         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
9573         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
9574         to GOT_VERSION_REGNUM.
9575         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
9576         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
9577         * config/mips/mips.c (mips_emit_call_insn): New function.
9578         (mips_call_tls_get_addr): Call mips_expand_call directly.
9579         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
9580         emit_call_insn.
9581         (mips16_build_call_stub): Likewise.  Return the call insn or null.
9582         (mips_expand_call): Update the call to mips16_build_call_stub
9583         accordingly and a remove redundant condition.  Assert that MIPS16
9584         stubs do not use lazy binding.  Use mips_emit_call_insn and return
9585         the call insn.
9586         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
9587         TARGET_USE_GOT.
9588         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
9589         (mips_avoid_hazard): Remove hazard_set handling.
9590         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
9591         (UNSPEC_RESTORE_GP): ...this.
9592         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
9593         (FAKE_CALL_REGNO): Rename to...
9594         (GOT_VERSION_REGNUM): ...this.
9595         (type): Add "ghost" value.  Add an associated insn reservation.
9596         (hazard_set): Remove.
9597         (exception_receiver): Rename to...
9598         (restore_gp): ...this and update the unspec identifier accordingly.
9599         (exception_receiver, nonlocal_got_receiver): New expanders.
9600         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
9601         FAKE_CALL_REGNO.  Remove hazard_set attribute.
9602         (set_got_version, update_got_version): New patterns.
9603
9604 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
9605
9606         PR target/34970
9607         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
9608
9609 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
9610
9611         PR other/31955
9612         * doc/install.texi2html: Generate gcc-vers.texi.
9613
9614 2008-01-25  DJ Delorie  <dj@redhat.com>
9615
9616         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
9617
9618 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
9619
9620         * config/c4x: Remove directory.
9621         * config.gcc (crx-*, mt-*): Mark obsolete.
9622         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
9623         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
9624         sh-*-rtemscoff*): Remove cases.
9625         * defaults.h (C4X_FLOAT_FORMAT): Remove.
9626         * real.c (encode_c4x_single, decode_c4x_single,
9627         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
9628         c4x_extended_format): Remove.
9629         * real.h (c4x_single_format, c4x_extended_format): Remove.
9630         * doc/extend.texi (interrupt, naked): Remove mention of attributes
9631         on C4x.
9632         (Pragmas): Remove comment about c4x pragmas.
9633         * doc/install.texi (c4x): Remove target-specific instructions.
9634         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
9635         * doc/md.texi (Machine Constraints): Remove C4x documentation.
9636         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
9637         refer to C4x source files as examples.
9638         (C4X_FLOAT_FORMAT): Remove documentation.
9639
9640 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
9641
9642         * config/bfin/bfin.c (override_options): Reorder tests so that
9643         flag_pic gets enabled for -msep-data.
9644
9645 2008-01-25  Richard Guenther  <rguenther@suse.de>
9646
9647         PR middle-end/32244
9648         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
9649         to its bitfield precision if required.
9650
9651 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
9652
9653         PR middle-end/33880
9654         * tree-nested.c (walk_omp_for): New function.
9655         (convert_nonlocal_reference, convert_local_reference): Call
9656         walk_omp_for on OMP_FOR.
9657         (convert_call_expr): Call walk_body on OMP_FOR's
9658         OMP_FOR_PRE_INIT_BODY.
9659
9660 2008-01-25  Richard Guenther  <rguenther@suse.de>
9661
9662         PR tree-optimization/34966
9663         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
9664         default defs and PHI_NODEs we have to insert after the
9665         defining statement.
9666
9667 2008-01-24  Nick Clifton  <nickc@redhat.com>
9668
9669         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
9670         Provide a default definition.
9671         (LIBGCC2_UNITS_PER_WORD): Likewise.
9672
9673         * config/stormy16/stormy16.c: Include df.h for the prototype
9674         for df_regs_ever_live_p.
9675         (xstormy16_expand_builtin_va_start): Convert the stack offset
9676         into a component_ref and then use POINTER_PLUS_EXPR to add it
9677         to the incoming_virtual_args_rtx.
9678         (xstormy16_gimplify_va_arg_expr): Rename to
9679         xstormy16_gimplify_va_arg_expr.
9680         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
9681         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
9682         xstormy16_gimplify_va_arg_expr.
9683         Fix up some formatting issues.
9684
9685         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
9686         Move to predicates.md.
9687         (xs_hi_general_operand): Likewise.
9688         (xs_hi_nonmemory_operand): Likewise.
9689         * config/stormy16/predicates.md:
9690         (xstormy16_carry_plus_operand): New predicate.
9691         (xs_hi_general_operand): New predicate.
9692         (xs_hi_nonmemory_operand): New predicate.
9693         * config/stormy16/stormy16-protos.h:
9694         (xstormy16_carry_plus_operand): Delete prototype.
9695         (xs_hi_general_operand): Likewise.
9696         (xs_hi_nonmemory_operand): Likewise.
9697
9698         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
9699         modifiers as they are no longer needed and they can trigger
9700         reload spill failures.
9701
9702         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
9703         with a match_operand in order to help reload.
9704
9705         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
9706         constraint with 'e' for the 8th alternative as this version of
9707         the mov.w instruction only accepts the lower 8 registers.
9708
9709 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
9710
9711         PR target/34856
9712         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
9713         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
9714         vector elements.
9715
9716 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
9717
9718         PR middle-end/33333
9719         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
9720
9721 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
9722
9723         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
9724         New functions.
9725         (remove_structure): Update allocations list before removing structure.
9726
9727 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
9728
9729         * ipa-struct-reorg.c (is_safe_cond_expr,
9730         create_new_stmts_for_cond_expr): Use integer_zerop function,
9731         that recognize not only zero-pointer, but zero-integer too.
9732
9733 2008-01-25  Ben Elliston  <bje@au.ibm.com>
9734
9735         PR other/22232
9736         * fixproto: Escape "." in sed expression that strips leading "./".
9737
9738 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
9739
9740         PR driver/34904
9741         * gcc.c (SWITCH_OK): Removed.
9742         (SWITCH_LIVE): Changed to bit.
9743         (SWITCH_FALSE): Likewise.
9744         (SWITCH_IGNORE): Likewise.
9745         (switchstr): Change live_cond to unsigned int.
9746         (process_command): Replace SWITCH_OK with 0.
9747         (do_self_spec): Likewise.
9748         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
9749         (give_switch): Likewise.
9750         (used_arg): Likewise.
9751         (do_spec_1): Set the SWITCH_IGNORE bit.
9752         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
9753         bits.  Set the SWITCH_LIVE bit.
9754
9755 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
9756
9757         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
9758
9759 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
9760
9761         PR tree-optimization/34472
9762         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
9763         parameter to a "bool *" and set *DATA to false if there is
9764         an unsafe access.  Do not delete the structure here.
9765         (check_cond_exprs): Delete it here instead.
9766         (check_cond_exprs, exclude_cold_structs): Do not increase
9767         I when removing a structure.
9768
9769 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
9770
9771         PR target/34856
9772         * config/i386/i386.c (ix86_expand_vector_init): Consider only
9773         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
9774
9775 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
9776
9777         PR middle-end/34934
9778         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
9779         a fixed vector for stack.
9780
9781 2008-01-24  Ben Elliston  <bje@au.ibm.com>
9782
9783         PR c++/25701
9784         * doc/gcc.texi (Software development): Add a direntry for g++.
9785
9786 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
9787
9788         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
9789         stale and straggling -fforce-addr comments above.
9790
9791         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
9792         define.
9793         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
9794         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
9795
9796 2008-01-23  Michael Matz  <matz@suse.de>
9797
9798         PR debug/34895
9799         * dwarf2out.c (force_type_die): Use modified_type_die instead of
9800         gen_type_die.
9801
9802 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
9803
9804         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
9805         malloc result type.
9806
9807 2008-01-23 Anatoly Sokolov <aesok@post.ru>
9808
9809         * config/avr/avr.c (avr_current_arch): New variable.
9810         (avr_arch_types): Add 'avr31' and 'avr51' entries.
9811         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
9812         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
9813         (avr_override_options): Init 'avr_current_arch'.
9814         (base_arch_s): Move from here...
9815         * config/avr/avr.h (base_arch_s): ... here. Add new members
9816         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
9817         'mega' to 'have_jmp_call'.
9818         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
9819         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
9820         macros.
9821         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
9822         architectures.
9823         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
9824         MULTILIB_MATCHES): (Ditto.).
9825
9826 2008-01-23  Richard Guenther  <rguenther@suse.de>
9827
9828         PR middle-end/31529
9829         * cgraphunit.c (cgraph_reset_node): Always mark the node
9830         not reachable if it is not queued already.
9831
9832 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
9833
9834         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
9835         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
9836         (cputype_selected): New static variable.
9837         (bfin_handle_option): Set it if -mcpu is used.
9838         (override_option): Select default set of workarounds if no cpu type
9839         selected on the command line.
9840         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
9841
9842         From  Michael Frysinger  <michael.frysinger@analog.com>
9843         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
9844         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
9845
9846         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
9847         for bf547, bf523, bf524, and bf526.
9848         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
9849         bf526.
9850         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
9851         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
9852         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
9853         __ADSPBF547__ and __ADSPBF54x__ for bf547.
9854         * doc/invoke.texi (Blackfin Options): Document that
9855         -mcpu now accept bf547, bf523, bf524, and bf526.
9856
9857 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
9858
9859         PR rtl-optimization/34628
9860         * combine.c (try_combine): Stop and undo after the first combination
9861         if an autoincrement side-effect on the first insn has effectively
9862         been lost.
9863
9864 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
9865
9866         PR target/34529
9867         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
9868         Offset addresses are not valid for Altivec or paired float modes.
9869
9870 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
9871
9872         PR c++/34607
9873         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
9874         if DECL_INITIAL (decl) is error_mark_node.
9875
9876         PR c++/34914
9877         * c-common.c (handle_vector_size_attribute): Only allow
9878         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
9879         the same way as pointer, array etc. types.
9880         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
9881
9882         PR c++/34917
9883         * tree.c (build_type_attribute_qual_variant): Call
9884         build_qualified_type if attributes are equal, but quals are not.
9885
9886 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9887
9888         PR 32102
9889         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
9890         * flags.h (warn_strict_aliasing): Remove.
9891         (warn_strict_overflow): Remove.
9892         * opts.c (warn_strict_aliasing): Remove.
9893         (warn_strict_overflow): Remove.
9894         * c-opts.c (c_common_handle_option): -Wall only sets
9895         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
9896         (c_common_post_options): Give default values to -Wstrict-aliasing
9897         and -Wstrict-overflow if they are uninitialized.
9898         * common.opt (Wstrict-aliasing): Specify Var and Init.
9899         (Wstrict-overflow): Likewise.
9900
9901 2008-01-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
9902
9903         PR rtl-optimization/26854
9904         PR rtl-optimization/34400
9905         PR rtl-optimization/34884
9906         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
9907         DF_RD->gen.
9908         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
9909         (df_rd_bb_info.expanded_lr_out): Deleted
9910         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
9911         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
9912         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
9913         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
9914         Removed code to allocate, initialize or free expanded_lr_out.
9915         (df_rd_bb_local_compute_process_def): Restructured to make more
9916         understandable.
9917         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
9918         sets if the sets are being trimmed.
9919
9920 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
9921
9922         PR bootstrap/32287
9923         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
9924         (as_vers): Likewise.
9925         * configure: Regenerated.
9926
9927 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9928
9929         PR middle-end/33092
9930         * tree-pass.h (pass_build_alias): New pass.
9931         * tree-ssa-alias.c (gate_build_alias): New.
9932         (pass_build_alias): New.
9933         * passes.c (init_optimization_passes): Add pass_build_alias after
9934         pass_create_structure_vars.
9935
9936 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
9937
9938         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
9939         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
9940         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
9941         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
9942         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
9943         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
9944         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
9945         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
9946         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
9947         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
9948         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
9949         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
9950         * config/s390/s390.md (FP_ALL): New mode iterator.
9951         (_d): New mode attribute.
9952         ("*signbit<mode>2>"): Changed mode of first operand.
9953         ("isinf<mode>2"): Changed mode of first operand.
9954         ("*TDC_insn"): Adaptation for DFP modes.
9955
9956 2008-01-22  Ben Elliston  <bje@au.ibm.com>
9957
9958         * tree.c (check_qualified_type): Improve function description.
9959
9960 2008-01-21  Jason Merrill  <jason@redhat.com>
9961
9962         PR c++/34196
9963         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
9964         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
9965         if it is set.
9966
9967 2008-01-21  DJ Delorie  <dj@redhat.com>
9968
9969         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
9970         return zero.
9971
9972 2008-01-21  Richard Guenther  <rguenther@suse.de>
9973
9974         PR middle-end/34856
9975         * tree-cfg.c (verify_expr): Allow all invariant expressions
9976         instead of just constant class ones as reference argument.
9977         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
9978         like any other constant.
9979         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
9980
9981 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
9982
9983         * regmove.c (fixup_match_1): Update call crossed frequencies.
9984
9985 2008-01-21  Richard Guenther  <rguenther@suse.de>
9986
9987         PR c/34885
9988         * tree-inline.c (setup_one_parameter): Deal with mismatched
9989         types using a VIEW_CONVERT_EXPR.
9990
9991 2008-01-21  Alon Dayan  <alond@il.ibm.com>
9992             Olga Golovanevsky  <olga@il.ibm.com>
9993
9994         PR tree-optimization/34701
9995         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
9996         when the structure size is not a power of 2.
9997
9998 2008-01-20  Kenneth Zadeck  <zadeck@naturalbridge.com>
9999
10000         * doc/install.texi: Add doc for --enable-checking=df.
10001
10002 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
10003
10004         PR rtl-optimization/34808
10005         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
10006
10007 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
10008
10009         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
10010         input.
10011
10012 2008-01-19  Kenneth Zadeck  <zadeck@naturalbridge.com>
10013
10014         PR rtl-optimization/26854
10015         PR rtl-optimization/34400
10016         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
10017         DF_RD->gen.
10018         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
10019         (df_rd_bb_info.expanded_lr_out): New.
10020         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
10021         * loop_iv.c (iv_analysis_loop_init): Ditto.
10022         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
10023         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
10024         Added code to allocate, initialize or free expanded_lr_out.
10025         (df_rd_bb_local_compute_process_def): Restructured to make
10026         more understandable.
10027         (df_rd_confluence_n): Add code to do nothing with fake edges and
10028         code to no apply invalidate_by_call sets if the sets are being trimmed.
10029         (df_lr_local_finalize): Renamed to df_lr_finalize.
10030         (df_live_local_finalize): Renamed to df_live_finalize.
10031
10032 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
10033
10034         PR target/34831
10035         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
10036         deciding whether to use reciprocal instructions.
10037
10038 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
10039
10040         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
10041         dwarf2out_note_section_used if cold_text_section is NULL.
10042
10043 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
10044
10045         PR gcov-profile/34610
10046         * tree-cfg.c (make_edges): Mark both outgoing edges from
10047         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
10048         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
10049         from OMP_FOR and OMP_CONTINUE outgoing edges.
10050
10051         * tree-profile.c (tree_profiling): Return early if
10052         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
10053         at the end.
10054         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
10055         from cfun to child_cfun.
10056         * function.h (struct function): Add after_tree_profile bit.
10057
10058 2008-01-19 Anatoly Sokolov <aesok@post.ru>
10059
10060         * config/avr/avr.S (_exit): Disable interrupt.
10061
10062 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
10063             Steven Bosscher  <stevenb.gcc@gmail.com>
10064
10065         PR rtl-optimization/26854
10066         PR rtl-optimization/34400
10067         * df-problems.c (df_live_scratch): New scratch bitmap.
10068         (df_live_alloc): Allocate df_live_scratch when doing df_live.
10069         (df_live_reset): Clear the proper bitmaps.
10070         (df_live_bb_local_compute): Only process the artificial defs once
10071         since the order is not important.
10072         (df_live_init): Init the df_live sets only with the variables
10073         found live by df_lr.
10074         (df_live_transfer_function): Use the df_lr sets to prune the
10075         df_live sets as they are being computed.
10076         (df_live_free): Free df_live_scratch.
10077
10078 2008-01-18  Ian Lance Taylor  <iant@google.com>
10079
10080         * common.opt: Add fmerge-debug-strings.
10081         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
10082         flag_merge_debug_strings rather than flag_merge_constants.
10083         * doc/invoke.texi (Option Summary): Mention
10084         -fmerge-debug-strings.
10085         (Debugging Options): Document -fmerge-debug-strings.
10086
10087 2008-01-18  Ian Lance Taylor  <iant@google.com>
10088
10089         PR c++/33407
10090         * tree.h (DECL_IS_OPERATOR_NEW): Define.
10091         (struct tree_function_decl): Add new field operator_new_flag.
10092         * tree-inline.c (expand_call_inline): When inlining a call to
10093         operator new, force the return value to go into a variable, and
10094         set DECL_NO_TBAA_P on that variable.
10095         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
10096
10097 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
10098
10099         PR debug/34484
10100         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
10101         DWARF2_DEBUGGING_INFO.
10102         (dwarf2out_note_section_used): Ditto.  Add prototype.
10103         (have_multiple_function_sections, text_section_used,
10104         cold_text_section_used, *cold_text_sections): Move declarations
10105         before their uses.
10106
10107 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
10108
10109         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
10110         field and add signal_ra.
10111         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
10112         assignments to frame state pc.  Move end of stack check after
10113         MD_FALLBACK_FRAME_STATE_FOR.
10114         (uw_update_context_1): Use frame state signal_regs if set, instead
10115         of checking signal_frame flag.
10116         (uw_update_context): Use frame state signal_ra if set.
10117         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
10118         * config/xtensa/linux-unwind.h: New file.
10119
10120 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
10121
10122         * modulo-sched.c (get_sched_window): Fix comment typo.
10123
10124 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
10125
10126         PR tree-optimization/34648
10127         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
10128
10129 2008-01-17  Anatoly Sokolov <aesok@post.ru>
10130
10131         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
10132         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
10133
10134 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
10135
10136         PR rtl-optimization/34400
10137         * df-core.c (df_worklist_dataflow_overeager,
10138         df_worklist_dataflow_doublequeue): New functions.
10139         (df_worklist_dataflow): Two different worklist solvers.
10140         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
10141         New param.
10142
10143 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
10144
10145         PR testsuite/34821
10146         * doc/invoke.texi: Document the dependence on pthread for fopenmp
10147         and ftree-parallelize-loops.
10148
10149 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
10150
10151         PR rtl-optimization/34826
10152         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
10153
10154 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
10155
10156         * global.c (find_reg): Mark the eh regs as used if necessary.
10157         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
10158         * ra.h (struct allocno): no_eh_reg field added.  Changed
10159         no_stack_reg type to bitfield.
10160
10161 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
10162
10163         * tree.c (substitute_in_expr): Add missing 'break'.
10164
10165 2008-01-17  Richard Guenther  <rguenther@suse.de>
10166
10167         PR tree-optimization/34825
10168         * tree-ssa-math-opts.c (is_division_by): Do not recognize
10169         x / x as division to handle.
10170
10171 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10172
10173         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
10174         "-pthread" is specified.
10175         * pa-hpux11.h (LIB_SPEC): Likewise.
10176
10177 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
10178             Peter Bergner  <bergner@vnet.ibm.com>
10179
10180         PR rtl-optimization/33796
10181         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
10182
10183 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10184
10185         PR libgfortran/34699
10186         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
10187         static links.
10188         * pa-hpux10.h (LINK_SPEC): Likewise.
10189         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
10190
10191 2008-01-16  Richard Guenther  <rguenther@suse.de>
10192
10193         PR middle-end/32628
10194         * fold-const.c (fold_convert_const_int_from_int): Do not
10195         set overflow if that occured only because of a sign extension
10196         change when converting from/to a sizetype with the same
10197         precision and signedness.
10198
10199 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
10200
10201         PR debug/34249
10202         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
10203         location address to the correct place.  Update copyright year.
10204
10205 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
10206
10207         * lambda-code.c (lambda_transform_legal_p): Handle the case of
10208         no dependences in the dependence_relations vector.
10209
10210 2008-01-16  Jan Hubicka  <jh@suse.cz>
10211
10212         PR rtl-optimization/31396
10213         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
10214         * cfg.c (dump_reg_info): Print it.
10215         * regs.h (struct reg_info_t): add freq_calls_crossed.
10216         (REG_FREQ_CALLS_CROSSED): New macro.
10217         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
10218         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
10219         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
10220         regmove_optimize): Update call crossed frequencies.
10221         * local-alloc.c (struct qty): Add freq_calls_crossed.
10222         (alloc_qty): Copute freq_calls_crossed.
10223         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
10224         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
10225         * ra.h (struct allocno): Add freq_calls_crossed.
10226
10227 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
10228
10229         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
10230         libgomp when compiling with ftree-parallelize-loops.
10231         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
10232
10233 2008-01-16  Richard Guenther  <rguenther@suse.de>
10234
10235         PR tree-optimization/34769
10236         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
10237         * tree.c (int_cst_value): Instead make this function more
10238         permissive in what it accepts as valid input.  Document this
10239         function always sign-extends the value.
10240
10241 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
10242             Richard Guenther  <rguenther@suse.de>
10243
10244         PR c/34668
10245         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
10246         (gimple_fold_indirect_ref_rhs): ... this.
10247         (gimple_fold_indirect_ref): New function with foldings
10248         that preserve lvalueness.
10249         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
10250         * tree-flow.h (gimple_fold_indirect_ref): Declare.
10251         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
10252         to fold an INDIRECT_REF, fall back to the old use of
10253         fold_indirect_ref_1.
10254
10255 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
10256
10257         * tree-data-ref.c (subscript_dependence_tester_1): Call
10258         free_conflict_function.
10259         (compute_self_dependence): Same.
10260
10261 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
10262
10263         PR debug/34249
10264         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
10265         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
10266         function global.
10267         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
10268         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
10269         for DWARF2_UNWIND_INFO targets.
10270
10271 2008-01-16  Richard Guenther  <rguenther@suse.de>
10272
10273         PR c/34768
10274         * c-typeck.c (common_pointer_type): Do not merge inconsistent
10275         type qualifiers for function types.
10276
10277 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
10278
10279         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
10280         loop_iterator li from previous commit.
10281
10282 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
10283
10284         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
10285
10286 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
10287
10288         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
10289         (parallelize_loops): Don't parallelize irreducible components.
10290
10291 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10292
10293         PR c++/24924
10294         * c-opts (c_common_post_options): Do not enable CPP
10295         flag_pedantic_errors by default.
10296
10297 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
10298
10299         PR rtl-optimization/31944
10300         * cse.c (remove_pseudo_from_table): New function.
10301         (merge_equiv_classes): Use above function to remove pseudo-registers.
10302         (invalidate): Likewise.
10303
10304 2008-01-13  Richard Guenther  <rguenther@suse.de>
10305
10306         PR middle-end/34601
10307         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
10308         instead of TYPE_MODE to deal with calls from expand_one_error_var.
10309
10310 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
10311
10312         * gcse.c (cprop_jump): Call validate_unshare_change instead of
10313         validate_change to unshare the source of the PC set.
10314
10315 2008-01-12  Jan Hubicka  <jh@suse.cz>
10316
10317         PR middle-end/32135
10318         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
10319         references above array bounds.  This might trigger bounds checks for
10320         pointers to arrays.
10321
10322 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
10323
10324         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
10325         new_replaceable_dependencies.
10326
10327 2008-01-12  Doug Kwan  <dougkwan@google.com>
10328
10329         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
10330         instead of OPT_Wreturn_type in warning due to ignored return type
10331         qualifiers.
10332         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
10333         options included in -Wextra.
10334         * c.opt: New option -Wignored_qualifiers.
10335         * doc/invoke.texi (Warning Options, -Wextra): Add new option
10336         -Wignore_qualifiers.
10337         (-Wignored-qualifiers): Document.
10338         (-Wreturn-type): Remove description of functionality now handled
10339         by -Wignored-qualifiers.
10340
10341 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
10342
10343         PR ada/33788
10344         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
10345         NOP_EXPR if it is between integral types with the same precision.
10346
10347 2008-01-12  Jan Hubicka  <jh@suse.cz>
10348
10349         PR other/28023
10350         * invoke.texi (max-inline-recursive-depth): Fix default value.
10351
10352 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
10353
10354         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
10355         correct type.
10356
10357 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
10358
10359         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
10360
10361 2008-01-11  James E. Wilson  <wilson@specifix.com>
10362
10363         PR target/26015
10364         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
10365
10366 2008-01-11  Anatoly Sokolov <aesok@post.ru>
10367
10368         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
10369         save/restore frame pointer register and don't use 'call-prologues'
10370         optimization in function with "OS_task" attribute.
10371
10372 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
10373
10374         PR middle-end/31309
10375         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
10376         when copying to memory.
10377
10378 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
10379
10380         PR rtl-optimization/30905
10381         * cfgcleanup.c: Include dce.h
10382         (crossjumps_occured): New global variable.
10383         (try_crossjump_bb): Exit loop after finding a fallthru edge.
10384         If something changed, set crossjumps_occured to true.
10385         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
10386         Don't add/remove fake edges to exit here...
10387         (cleanup_cfg): ...but do it here, when crossjumping.
10388         Run a fast DCE when successful crossjumps occured in the latest
10389         iteration of try_optimize_cfg.
10390
10391 2008-01-11  Richard Guenther  <rguenther@suse.de>
10392
10393         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
10394         (struct vn_unary_op_s): Likewise.
10395         (vn_reference_insert): Free old reference on hash collision.
10396
10397 2008-01-10  Raksit Ashok  <raksit@google.com>
10398
10399         PR rtl-optimization/27971
10400         * combine.c (find_split_point): Split PLUS expressions which are
10401         inside a MEM rtx, and whose first operand is complex.
10402
10403 2008-01-10  DJ Delorie  <dj@redhat.com>
10404
10405         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
10406         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
10407         (m32c_hard_regno_ok): Call the underlying function.
10408
10409 2008-01-10  Richard Guenther  <rguenther@suse.de>
10410
10411         PR middle-end/34683
10412         * tree-cfg.c (tree_merge_blocks): Do not go through the
10413         full-blown folding and stmt updating path if we just deal
10414         with virtual operands.
10415         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
10416         test for abnormal SSA_NAMEs.
10417
10418 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
10419
10420         PR middle-end/34641
10421         * reload.c (push_reload): Add assertions.  All constants from
10422         reg_equiv_constant should have been used for replacing the respective
10423         pseudo earlier.
10424         (find_reloads_address): Invoke find_reloads_address_part for
10425         constant taken from the reg_equiv_constant array.
10426
10427 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
10428
10429         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
10430         field (valnum) the first in the struct.  Replace bools with
10431         unit bit fields.
10432
10433 2008-01-10  Richard Guenther  <rguenther@suse.de>
10434
10435         PR tree-optimization/34651
10436         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
10437         types and ordering for masking and converting.
10438
10439 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
10440
10441         PR tree-optimization/34017
10442         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
10443         also for PHI_NODE expressions.
10444
10445 2008-01-09  Jan Hubicka  <jh@suse.cz>
10446
10447         PR tree-optimization/34708
10448         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
10449         based on number of case labels.
10450         (init_inline_once): Remove switch_cost.
10451         * tree-inline.h (eni_weights_d): Remove switch_cost.
10452
10453 2008-01-09  Richard Guenther  <rguenther@suse.de>
10454         Andrew Pinski  <andrew_pinski@playstation.sony.com>
10455
10456         PR middle-end/30132
10457         * gimplify.c (gimplify_cond_expr): Do not create an addressable
10458         temporary if an rvalue is ok or an lvalue is not required.
10459
10460 2008-01-09  Richard Guenther  <rguenther@suse.de>
10461
10462         PR middle-end/34458
10463         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
10464         adjust return type.
10465
10466 2008-01-09  Richard Guenther  <rguenther@suse.de>
10467
10468         PR middle-end/34679
10469         * tree.c (host_integerp): Check for sizetype only if the
10470         type is an integer type.
10471
10472 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
10473
10474         PR debug/26364
10475         * opts.c (decode_options): Disable inlining of functions called
10476         once if not in unit-at-a-time mode.
10477
10478 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
10479
10480         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
10481
10482 2008-01-08  Richard Guenther  <rguenther@suse.de>
10483
10484         PR middle-end/31863
10485         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
10486         out early if the result will be unused.
10487
10488 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
10489
10490         PR target/34709
10491         Revert:
10492
10493         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
10494         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
10495         for TARGET_RECIP.
10496
10497 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
10498
10499         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
10500         for vectorization tuned.
10501
10502 2008-01-08  Richard Guenther  <rguenther@suse.de>
10503
10504         PR tree-optimization/34683
10505         * tree-ssa-operands.c (operand_build_cmp): Export.
10506         * tree-ssa-operands.h (operand_build_cmp): Declare.
10507         * tree-vn.c (vuses_compare): Remove.
10508         (sort_vuses): Use operand_build_cmp.
10509         (sort_vuses_heap): Likewise.
10510         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
10511         to re-use old VEC if available.  Do not sort already sorted VUSEs.
10512         (vdefs_to_vec): Do not sort already sorted VDEFs.
10513
10514 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
10515
10516         PR middle-end/34694
10517         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
10518
10519 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
10520
10521         PR target/34702
10522         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
10523         limitations of reciprocal sequences on x86 targets.
10524
10525 2008-01-08  Richard Guenther  <rguenther@suse.de>
10526
10527         PR tree-optimization/34683
10528         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
10529
10530 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
10531
10532         PR target/34622
10533         * config/darwin.c (darwin_mergeable_string_section): Don't use
10534         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
10535
10536 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
10537
10538         PR target/34682
10539         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
10540         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
10541         predicates of op0 and op1 to register_operand.
10542         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
10543         expander using X87MODEF mode iterator.  Change predicates of
10544         op0 and op1 to register_operand.
10545         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
10546         corresponding patterns and macroize using MODEF macro.  Change
10547         predicates of op0 and op1 to register_operand and remove
10548         "m" constraint. Disparage "r" alternative with "!".
10549         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
10550         macroize using X87MODEF macro.  Change predicates of op0 and op1
10551         to register_operand and remove "m" constraint.  Disparage "r"
10552         alternative with "!".
10553         (absneg splitter with memory operands): Remove.
10554         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
10555         patterns and macroize using X87MODEF mode iterator.
10556         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
10557         Change predicate of op1 to register_operand.
10558         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
10559         for memory operands.
10560
10561 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
10562
10563         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
10564
10565 2008-01-07  Richard Guenther  <rguenther@suse.de>
10566
10567         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
10568         fields.
10569
10570 2008-01-07  Richard Guenther  <rguenther@suse.de>
10571
10572         PR tree-optimization/34683
10573         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
10574         VOPs of the needed size to save memory.  Use VEC_quick_push
10575         to save compile-time.
10576         (vdefs_to_vec): Likewise.
10577
10578 2008-01-07  Sa Liu  <saliu@de.ibm.com>
10579
10580         * config/spu/spu.md (divdf3): Genetate inline code for double
10581         division.  The implementation doesn't handle INF or NAN, therefore it
10582         only applies when -ffinite-math-only is given.
10583
10584 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
10585
10586         PR libstdc++/34680
10587         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
10588         * doc/cpp.texi ([Common Predefined Macros]): Document.
10589
10590 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
10591
10592         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
10593         order to use commutative addition instead of subtraction.
10594
10595 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10596             Mircea Namolaru  <namolaru@il.ibm.com>
10597             Vladimir Yanovsky  <yanov@il.ibm.com>
10598             Revital Eres  <eres@il.ibm.com>
10599
10600         PR tree-optimization/34263
10601         * tree-outof-ssa.c (process_single_block_loop_latch,
10602         contains_tree_r): New functions.
10603         (analyze_edges_for_bb): Call process_single_block_loop_latch
10604         function to empty single-basic-block latch block if possible.
10605
10606 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
10607
10608         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
10609         for TARGET_RECIP.
10610         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
10611
10612 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
10613
10614         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
10615
10616 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
10617
10618         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
10619
10620 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
10621
10622         PR tree-optimization/34618
10623         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
10624         flag from T.
10625
10626 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
10627
10628         PR target/34673
10629         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
10630         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
10631         Update copyright year.
10632
10633         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
10634         Update copyright year.
10635         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
10636         using NR fixup.
10637
10638 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
10639
10640         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
10641         edge does not point to current bb before changing need_assert.
10642
10643 2008-01-04  Richard Guenther  <rguenther@suse.de>
10644
10645         PR middle-end/34029
10646         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
10647         for verifying purposes if they are is_gimple_min_invariant.
10648
10649 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
10650
10651         PR tree-optimization/34448
10652         PR tree-optimization/34465
10653         * gimplify.c (gimplify_init_constructor): Add new parameter
10654         notify_temp_creation.  Use it.
10655         (gimplify_modify_expr_rhs): Take volatiles into account when
10656         optimizing constructors.
10657         Do not optimize constructors if gimplify_init_constructor will dump to
10658         memory.
10659         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
10660         * gcc.c-torture/compile/pr34448.c: New.
10661
10662 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
10663
10664         PR gcov-profile/34609
10665         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
10666         return_slot if result is TREE_ADDRESSABLE.
10667
10668 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
10669
10670         * config/mips/mips.md (sqrt_condition): Tweak comment.
10671         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
10672
10673 2008-01-03  Tom Tromey  <tromey@redhat.com>
10674
10675         PR c/34457
10676         * c-common.c (c_type_hash): Handle VLAs.
10677
10678 2008-01-03  Jan Hubicka  <jh@suse.cz>
10679
10680         PR tree-optimization/31081
10681         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
10682         0 when inlining and not inlining to first basic block.
10683         (remap_decl): When var is initialized to 0, don't set default_def.
10684         (expand_call_inline): Set entry_bb.
10685         * tree-inline.h (copy_body_data): Add entry_bb.
10686
10687 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
10688
10689         PR c++/34619
10690         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
10691         before returning.
10692
10693         PR tree-optimization/29484
10694         * tree-inline.c (inline_forbidden_p_2): New function.
10695         (inline_forbidden_p): Disallow inlining if some static var
10696         has an address of a local LABEL_DECL in its initializer.
10697         * doc/extend.texi (Labels as Values): Document &&foo behaviour
10698         vs. inlining.
10699
10700 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
10701
10702         PR tree-optimization/34635
10703         * tree-data-ref.c (add_other_self_distances): Make sure that the
10704         evolution step is constant.
10705
10706 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
10707
10708         PR middle-end/34608
10709         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
10710
10711 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
10712
10713         * tree-sra.c (scalarize_init): Insert the generate_element_init
10714         statements after the generate_element_zero statements.
10715
10716 2008-01-02  Richard Guenther  <rguenther@suse.de>
10717
10718         PR middle-end/34093
10719         PR middle-end/31976
10720         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
10721         for very large number of operands instead of ICEing.
10722
10723 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
10724
10725         PR target/34013
10726         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
10727         while stack probing.
10728
10729 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
10730
10731         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
10732         in C++0x mode.
10733
10734 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
10735
10736         PR libmudflap/26442
10737         * tree-mudflap.c (mx_register_decls): Guard warning by
10738         !DECL_ARTIFICIAL check.
10739
10740 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
10741
10742         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
10743         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
10744         sse5_perm<mode>): Fix constraints.