gcc/ChangeLog

   1 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
   2
   3         * gcc/config/vax/vax.c: Add #includes to silence warnings.
   4         Change #include order to silence two warnings.
   5
   6 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
   7
   8         * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
   9         (ASM_SPEC): Pass -k to the assembler for PIC code.
  10
  11 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
  12
  13         * gcc/config.gcc: Add vax-*-linux* to the switch.
  14         * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
  15         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
  16
  17 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
  18
  19         * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
  20         Use predicate macros instead of GET_CODE() == foo.
  21         * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
  22         ashlsi3, rotrsi3, <unnamed>): Likewise.
  23
  24 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
  25
  26         * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
  27         jbbccihi, jbbccisi): Remova trailing whitespace.
  28         * gcc/config/vax/constraints.md: Likewise.
  29         * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
  30         * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
  31         * gcc/config/vax/predicates.md: Likewise.
  32         * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
  33         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
  34         * gcc/config/vax/vax.h: Likewise.
  35         * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
  36
  37 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
  38
  39         * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
  40         (indirectable_address_p, adjacent_operands_p): Add spaces around
  41         braces.
  42         * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
  43
  44 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
  45
  46         * gcc/config/vax/vax.c (legitimate_constant_address_p,
  47         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
  48         index_term_p, reg_plus_index_p, legitimate_address_p,
  49         vax_mode_dependent_address_p): Update comments to match functions
  50         modified by the recent int->bool conversion.
  51
  52 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
  53
  54         * gcc/config/vax/builtins.md: Update copyright message.
  55         * gcc/config/vax/constraints.md: Likewise.
  56         * gcc/config/vax/netbsd-elf.h: Likewise.
  57         * gcc/config/vax/predicates.md: Likewise.
  58         * gcc/config/vax/vax-protos.h: Likewise.
  59         * gcc/config/vax/vax.c: Likewise.
  60         * gcc/config/vax/vax.h: Likewise.
  61         * gcc/config/vax/vax.md: Likewise.
  62         * gcc/config/vax/vax.opt: Likewise.
  63
  64 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
  65
  66         * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
  67         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
  68         * gcc/config/vax/constraints.md (B, R): Likewise.
  69         * gcc/config/vax/predicates.md (external_memory_operand,
  70         nonimmediate_addsub_di_operand): Likewise.
  71         * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
  72         * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
  73         untyped_call): Likewise.
  74
  75 2009-04-01      Matt Thomas <matt@3am-software.com>
  76
  77         * config/vax/predicates.md: New file. (symbolic_operand,
  78         local_symbolic_operand, external_symbolic_operand,
  79         external_const_operand, nonsymbolic_operand, external_memory_operand,
  80         indirect_memory_operand, indexed_memory_operand,
  81         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
  82         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
  83         predicate.
  84         * config/vax/constraints.md: New file. (Z0, U06,  U08, U16, CN6, S08,
  85         S16, I, J, K, L, M, N, O, G, Q, B, R, T): New constraint.
  86         * config/vax/builtins.md: New file. (ffssi2, ffssi2_internal,
  87         sync_lock_test_and_set<mode>, jbbssiqi, jbbssihi, jbbssisi,
  88         sync_lock_release<mode>, jbbcciqi, jbbccihi, jbbccisi): Define.
  89         * config/vax/vax.opt (mqmath): Add option.
  90         * config/vax/vax.md (isfx): Extend with DI.
  91         (VAXintQH, VAXintQHSD): Define.
  92         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
  93         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
  94         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
  95         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
  96         (movdi): Update constraints and use vax_output_int_move().
  97         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
  98         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
  99         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
 100         nonlocal_goto): New.
 101         (mov<mode>): Extend accepted operand types.
 102         (subdi3_old): Rename from subdi3, change update constraints and use
 103         a new implementation.
 104         * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
 105         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
 106         MOVE_RATIO, CLEAR_RATIO): Define.
 107         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
 108         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
 109         (PRINT_OPERAND): Redefine using a function instead of inlined code.
 110         * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
 111         (split_quadword_operands): Make static and really allow variable
 112         splitting.
 113         (print_operand_address): Update for PIC generation.
 114         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
 115         indexable_address_p, fixup_mathdi_operand,
 116         vax_expand_addsub_di_operands, adjacent_operands_p): New.
 117         (vax_float_literal, legitimate_constant_p,
 118         indirectable_constant_address_p, index_term_p,
 119         reg_plus_index_p): Return bool instead of int.
 120         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
 121         where needed.
 122         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
 123         generation.
 124         (vax_output_conditional_branch): Indent.
 125         (legitimate_constant_address_p, indirectable_constant_address_p,
 126         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
 127         vax_mode_dependent_address_p): Return bool instead of int, update for
 128         PIC generation.
 129         * config/vax/vax-protos.h (legitimate_constant_address_p,
 130         legitimate_constant_p, legitimate_address_p,
 131         vax_mode_dependent_address_p): Change declaration to bool.
 132         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
 133         vax_expand_addsub_di_operands, vax_output_int_subtract,
 134         vax_output_movmemsi): Declare.
 135         (split_quadword_operands, vax_float_literal): Delete declaration.
 136         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
 137         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
 138         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
 139         ASM_OUTPUT_DWARF_PCREL): Define.
 140         (ASM_SPEC): Change definition to allow PIC generation.
 141
 142 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
 143
 144         PR target/39226
 145         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
 146         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
 147         (booldi3_internal3): Use boolean_or_operator instead of
 148         boolean_operator.
 149
 150 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
 151
 152         PR c/39605
 153         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
 154         declarator whose size is not an integer constant expression but
 155         folds to an integer constant, then treat it as a constant
 156         subsequently.
 157
 158 2009-04-01  Richard Guenther  <rguenther@suse.de>
 159
 160         * fold-const.c (fold_plusminus_mult_expr): Do not fold
 161         i * 4 + 2 to (i * 2 + 1) * 2.
 162
 163 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
 164
 165         PR c/37772
 166         * c-parser.c (c_parser_asm_statement): Skip until close paren and
 167         return if c_parser_asm_string_literal returned NULL.
 168
 169 2009-04-01  Nick Clifton  <nickc@redhat.com>
 170
 171         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
 172         already defined.
 173         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
 174         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
 175         other typedefs to avoid conflicts with libgcc2.c.  Define labels
 176         to gain 16-bit bit-manipulation functions from libgcc2.c and then
 177         include it.
 178         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
 179         to gain 16-bit trapping arithmetic functions from libgcc2.c and
 180         then include it.
 181
 182 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
 183
 184        * varasm.c (default_function_rodata_section): Declare DOT as const char*.
 185
 186 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
 187             Andrey Galkin <agalkin@hypercom.com>
 188
 189         PR/39492
 190         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
 191         Make object_name unique for each process.
 192
 193 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
 194
 195         PR other/39591
 196         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
 197         addressable variables in the parallel that could go out of scope while
 198         running queued tasks.
 199
 200 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
 201
 202         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
 203         (CASE_VALUES_THRESHOLD): Redefine.
 204         * config/avr/avr.c (avr_override_options): Remove initialization of
 205         avr_case_values_threshold variable.
 206         (avr_case_values_threshold): Remove variable. Add new function.
 207         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
 208         * config/avr/avr.opt (mno-tablejump): Remove option.
 209         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
 210
 211 2009-04-01  DJ Delorie  <dj@redhat.com>
 212
 213         * varasm.c (default_function_rodata_section): Don't assume
 214         anything about where the first '.' in the section name is.
 215
 216 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
 217
 218         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
 219         rs6000_emit_stack_tie.
 220
 221 2009-03-31  Ian Lance Taylor  <iant@google.com>
 222
 223         * tree-eh.c (tree_remove_unreachable_handlers): Compare
 224         gimple_code with GIMPLE_RESX, not RESX.
 225
 226 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
 227
 228         * c-common.c (c_get_ident): New.
 229         (c_common_nodes_and_builtins): Call it for type names that may be
 230         NULL.
 231
 232 2009-04-01  Ben Elliston  <bje@au.ibm.com>
 233
 234         * config/rs6000/sysv4.opt (msdata): Improve option description.
 235
 236 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
 237
 238         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
 239         (divdf3_internal_lat): Remove.
 240         (divxf3_internal_lat): Remove.
 241         (divxf3_internal_thr): Remove.
 242         (divxf): Use divxf3_internal.
 243         * config/ia64/div.md (divsf3_internal_lat): New.
 244         (divdf3_internal_lat): New.
 245         (divxf3_internal): New.
 246
 247 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
 248
 249         PR c/448
 250         * Makefile.in (USE_GCC_STDINT): Define.
 251         (stmp-int-hdrs): Install stdint.h if applicable.
 252         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
 253         if known.
 254         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
 255         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
 256         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
 257         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
 258         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
 259         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
 260         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
 261         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
 262         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
 263         (c_common_nodes_and_builtins): Initialize
 264         underlying_wchar_type_node.  Do not initialize
 265         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
 266         nodes for new types.
 267         (c_stddef_cpp_builtins): Define macros for new types.
 268         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
 269         Remove.
 270         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
 271         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
 272         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
 273         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
 274         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
 275         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
 276         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
 277         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
 278         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
 279         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
 280         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
 281         int16_type_node, int32_type_node, int64_type_node,
 282         uint8_type_node, uint16_type_node, c_uint32_type_node,
 283         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
 284         int_least32_type_node, int_least64_type_node,
 285         uint_least8_type_node, uint_least16_type_node,
 286         uint_least32_type_node, uint_least64_type_node,
 287         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
 288         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
 289         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
 290         uintptr_type_node): Define.
 291         * c-cppbuiltin.c (builtin_define_constants,
 292         builtin_define_type_minmax): New.
 293         (builtin_define_stdint_macros): Define more macros.
 294         (c_cpp_builtins): Define more limit macros.
 295         (type_suffix): New.
 296         (builtin_define_type_max): Define in terms of
 297         builtin_define_type_minmax.  Remove is_long parameter.  All
 298         callers changed.
 299         * config.gcc (use_gcc_stdint): Define.
 300         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
 301         Add newlib-stdint.h for generic targets.
 302         * config/glibc-stdint.h, config/newlib-stdint.h,
 303         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
 304         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
 305         * config/score/score.h (UINTPTR_TYPE): Define.
 306         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
 307         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
 308         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
 309         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
 310         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
 311         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
 312         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
 313         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
 314         * config/spu/spu.h (STDINT_LONG32): Define.
 315         * configure.ac (use_gcc_stdint): Substitute.
 316         * configure: Regenerate.
 317         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
 318         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
 319         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
 320         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
 321         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
 322         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
 323         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
 324         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
 325         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
 326         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
 327         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
 328         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
 329         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
 330         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
 331         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
 332         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
 333         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
 334         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
 335         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
 336         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
 337         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
 338         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
 339         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
 340         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
 341         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
 342         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
 343         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
 344         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
 345         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
 346
 347 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
 348
 349         * loop-iv.c (suitable_set_for_replacement): Renamed from
 350         simplify_using_assignment; changed to return bool and to accept new
 351         args DEST and SRC.  Return true iff we find a source/destination pair
 352         that can be used to make a replacement, and fill SRC and DEST if so.
 353         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
 354         changed.
 355         (simplify_using_initial_values): Deal with altered regs here and track
 356         more precisely the effect they have on the validity of our expression.
 357
 358         * loop-iv.c (simplify_using_condition): A condition of the form
 359         (EQ REG CONST) can be used to simply make a substitution.
 360         (simplify_using_initial_values): Keep track of conditions we have seen
 361         and keep using them to simplify new expressions, while applying the
 362         same substitutions to them as to the expression.
 363
 364         * simplify-rtx.c (simplify_relational_operation_1): Simplify
 365         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
 366         GEU/LTU reversed.
 367
 368         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
 369         changed.  Use this when trying to improve the upper bound.
 370         Generate the comparison by using simplify_gen_relational.
 371
 372         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
 373
 374         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
 375         functions.
 376         (simplify_using_assignment, simplify_using_initial_values): Call
 377         replace_in_expr to make replacements.  Call replace_single_def_regs
 378         once on the initial version of the expression.
 379
 380 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
 381
 382         PR target/27237
 383         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
 384
 385 2009-03-31  Richard Guenther  <rguenther@suse.de>
 386
 387         PR middle-end/31029
 388         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
 389         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
 390
 391 2009-03-31  Richard Guenther  <rguenther@suse.de>
 392
 393         * tree.h (div_if_zero_remainder): Declare.
 394         * fold-const.c (div_if_zero_remainder): Export.
 395         * tree-ssa-forwprop.c
 396         (forward_propagate_addr_into_variable_array_index): Handle
 397         constant array index addition outside of the variable index.
 398
 399 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
 400
 401         PR target/39592
 402         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
 403         define_splits, floatunssi<mode>2): Require x87 conversions from
 404         DImode to be permitted.
 405
 406 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
 407
 408         PR preprocessor/15638
 409         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
 410
 411 2009-03-31  Richard Guenther  <rguenther@suse.de>
 412
 413         PR middle-end/23401
 414         PR middle-end/27810
 415         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
 416         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
 417         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
 418         a separate statement.
 419         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
 420         (lookup_tmp_var): Likewise.
 421         (is_gimple_formal_tmp_or_call_rhs): Remove.
 422         (is_gimple_reg_or_call_rhs): Rename to ...
 423         (is_gimple_reg_rhs_or_call): ... this.
 424         (is_gimple_mem_or_call_rhs): Rename to ...
 425         (is_gimple_mem_rhs_or_call): ... this.
 426         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
 427         DECL_GIMPLE_REG_P only if is_formal is true.
 428         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
 429         for non-proper post-modify expression gimplification.
 430         (gimplify_self_mod_expr): For post-modify expressions gimplify
 431         the lvalue to a minimal lvalue.
 432         (rhs_predicate_for): Remove formal temp case.
 433         (gimplify_modify_expr_rhs): Likewise.
 434         (gimplify_addr_expr): Use is_gimple_reg.
 435         (gimplify_expr): Remove formal temp cases.
 436         (gimple_regimplify_operands): Likewise.
 437         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
 438         and FILTER_EXPR like constants.
 439         * gimple.c (walk_gimple_op): Fix val_only initialization, use
 440         is_gimple_reg.
 441         (is_gimple_formal_tmp_rhs): Remove.
 442         (is_gimple_reg_rhs): Remove special casing.
 443         (is_gimple_mem_rhs): Fix.
 444         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
 445         (is_gimple_formal_tmp_var): Remove.
 446         (is_gimple_formal_tmp_reg): Likewise.
 447         (is_gimple_min_lval): Allow invariant component ref parts.
 448         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
 449         is_gimple_formal_tmp_reg): Remove declarations.
 450         * tree-cfg.c (verify_expr): Verify that variables with address
 451         taken do not have DECL_GIMPLE_REG_P set.
 452         * tree-mudflap.c (mf_build_check_statement_for): Use
 453         force_gimple_operand instead of gimplify_expr.
 454
 455 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
 456
 457         * modulo-sched.c (sms_schedule_by_order): Pass the actual
 458         schedulable rows to compute_split_row.
 459
 460 2009-03-31  Ben Elliston  <bje@au.ibm.com>
 461
 462         PR target/31635
 463         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
 464         OPT_mvrsave.
 465
 466 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
 467
 468         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
 469         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
 470         * configure: Regenerate.
 471         * config.in: Regenerate.
 472         * config/rs6000/rs6000.opt (mtls-markers): Add.
 473         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
 474         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
 475         (tls_ld_aix, tls_ld_sysv): Likewise.
 476         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
 477         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
 478
 479 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
 480
 481         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
 482
 483 2009-03-30  Jan Hubicka  <jh@suse.cz>
 484
 485         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
 486         out of RESX.
 487         (tree_remove_unreachable_handlers): Cleanup EH predecestor
 488         detection and label handling.
 489
 490 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
 491
 492         * ira-int.h (ira_allocno): Rename left_conflicts_num to
 493         left_conflicts_size.
 494         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
 495         ALLOCNO_LEFT_CONFLICTS_SIZE.
 496
 497         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
 498         remove_allocno_from_bucket_and_push,
 499         allocno_spill_priority_compare, push_allocnos_to_stack,
 500         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
 501         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
 502         (setup_allocno_left_conflicts_num): Ditto.  Rename to
 503         setup_allocno_left_conflicts_size.
 504         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
 505         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
 506         setup_allocno_left_conflicts_size instead of
 507         setup_allocno_left_conflicts_num.
 508
 509         * ira-build.c (ira_create_allocno): Use
 510         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
 511         ALLOCNO_LEFT_CONFLICTS_NUM.
 512
 513 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
 514
 515         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
 516         instead of DF_LR_OUT.
 517
 518         * ira-lives.c (process_bb_node_lives): Ditto.
 519
 520         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
 521         instead of DF_LR_{OUT,IN}.
 522
 523         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
 524
 525         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
 526
 527 2009-03-30  Jan Hubicka  <jh@suse.cz>
 528
 529         * except.c (label_to_region_map): Fix thinko.
 530
 531 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
 532
 533         PR middle-end/38237
 534         * tree.h (tree_find_value): New declaration.
 535         * tree.c (tree_find_value): New function.
 536         * varasm.c (assemble_external): Avoid duplicate entries on lists.
 537
 538 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
 539
 540         PR debug/39563
 541         * c-decl.c (struct c_binding): Add locus field.
 542         (bind): Add locus argument, set locus field from it.
 543         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
 544         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
 545         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
 546         implicitly_declare, undeclared_variable, lookup_label,
 547         declare_label, c_make_fname_decl, c_builtin_function,
 548         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
 549         bind callers.
 550
 551 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
 552
 553         PR target/38781
 554         * config/i386/i386.c (classify_argument): Check total size of
 555         structure.
 556
 557 2009-03-30  Martin Jambor  <mjambor@suse.cz>
 558
 559         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
 560         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
 561         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
 562         respectively.
 563
 564         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
 565         seen_variable_array_ref while also traversing a union.
 566
 567         * tree-inline.c (optimize_inline_calls): Do not call
 568         cgraph_node_remove_callees.
 569         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
 570         (pass_remove_cgraph_callee_edges): New variable.
 571         * passes.c (init_optimization_passes): Add
 572         pass_remove_cgraph_callee_edges after early inlining and before all
 573         late intraprocedural passes.
 574
 575         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
 576
 577 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
 578
 579         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
 580         Fix typos in names.
 581
 582 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
 583
 584         * combine.c (simplify_comparison): Use have_insn_for.
 585         * dojump.c (do_jump): Likewise.
 586
 587 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
 588
 589         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
 590         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
 591         sparc_compare_op0 like sparc_compare_emitted used to be handled.
 592         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
 593         instead of sparc_compare_emitted.
 594         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
 595         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
 596         instead of sparc_compare_emitted.
 597
 598 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
 599
 600         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
 601         enter/exit cfglayout mode.
 602         (pass_partition_block): Require it.
 603         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
 604         (combine_instructions): Track basic blocks instead of labels.
 605         (update_cfg_for_uncondjump): New.
 606         (try_combine): Use it.  Update jumps after rescanning.
 607         (pass_combine): Require PROP_cfglayout.
 608         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
 609
 610 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
 611
 612         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
 613         Provide/destroy PROP_cfglayout respectively.
 614         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
 615         * tree-pass.h (PROP_cfglayout): New.
 616
 617 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
 618
 619         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
 620         fold_convert_const_fixed_from_fixed,
 621         fold_convert_const_fixed_from_int,
 622         fold_convert_const_fixed_from_real, fold_negate_const): Do not
 623         set TREE_CONSTANT_OVERFLOW.
 624         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
 625         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
 626
 627 2009-03-30  Ira Rosen  <irar@il.ibm.com>
 628
 629         * tree-vect-loop-manip.c: New file.
 630         * tree-vectorizer.c: Update documentation and included files.
 631         (vect_loop_location): Make extern.
 632         (rename_use_op): Move to tree-vect-loop-manip.c
 633         (rename_variables_in_bb, rename_variables_in_loop,
 634         slpeel_update_phis_for_duplicate_loop,
 635         slpeel_update_phi_nodes_for_guard1,
 636         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
 637         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
 638         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
 639         set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
 640         find_loop_location): Likewise.
 641         (new_stmt_vec_info): Move to tree-vect-stmts.c.
 642         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
 643         get_vectype_for_scalar_type, vect_is_simple_use,
 644         supportable_widening_operation, supportable_narrowing_operation):
 645         Likewise.
 646         (bb_in_loop_p): Move to tree-vect-loop.c.
 647         (new_loop_vec_info, destroy_loop_vec_info,
 648         reduction_code_for_scalar_code, report_vect_op,
 649         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
 650         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
 651         (vect_supportable_dr_alignment): Likewise.
 652         * tree-vectorizer.h (tree-data-ref.h): Include.
 653         (vect_loop_location): Declare.
 654         Reorganize function declarations according to the new file structure.
 655         * tree-vect-loop.c: New file.
 656         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
 657         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
 658         * tree-vect-data-refs.c: New file.
 659         * tree-vect-patterns.c (timevar.h): Don't include.
 660         * tree-vect-stmts.c: New file.
 661         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
 662         tree-vect-slp.c, tree-vect-loop.c.
 663         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
 664         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
 665         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
 666         (tree-vect-analyze.o): Remove.
 667         (tree-vect-transform.o): Likewise.
 668         (tree-vect-data-refs.o): Add rule.
 669         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
 670         tree-vect-slp.o): Likewise.
 671         (tree-vect-patterns.o): Remove redundant dependencies.
 672         (tree-vectorizer.o): Likewise.
 673         * tree-vect-slp.c: New file.
 674
 675 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 676
 677         * optc-gen.awk: Warn if an option flag has multiple different
 678         help strings.
 679
 680 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
 681
 682         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
 683         -floop-block): Document dependences on PPL, CLooG and Graphite.
 684
 685 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
 686
 687         PR rtl-optimization/323
 688         * c-common.c (c_fully_fold, convert_and_check,
 689         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
 690         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
 691         * c-common.def (EXCESS_PRECISION_EXPR): New.
 692         * c-cppbuiltin.c (builtin_define_float_constants): Define
 693         constants with enough digits for long double.
 694         * c-lex.c (interpret_float): Interpret constant with excess
 695         precision where appropriate.
 696         * c-opts.c (c_common_post_options): Set
 697         flag_excess_precision_cmdline.  Give an error for
 698         -fexcess-precision=standard for C++ for processors where the
 699         option is significant.
 700         * c-parser.c (c_parser_conditional_expression): Handle excess
 701         precision in condition.
 702         * c-typeck.c (convert_arguments): Handle arguments with excess
 703         precision.
 704         (build_unary_op): Move excess precision outside operation.
 705         (build_conditional_expr): Likewise.
 706         (build_compound_expr): Likewise.
 707         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
 708         (build_modify_expr): Handle excess precision in RHS.
 709         (convert_for_assignment): Handle excess precision in converted
 710         value.
 711         (digest_init, output_init_element, process_init_element): Handle
 712         excess precision in initializer.
 713         (c_finish_return): Handle excess precision in return value.
 714         (build_binary_op): Handle excess precision in operands and add
 715         excess precision as needed for operation.
 716         * common.opt (-fexcess-precision=): New option.
 717         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
 718         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
 719         For standard excess precision, output explicit conversion to and
 720         truncation from XFmode.
 721         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
 722         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
 723         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
 724         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
 725         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
 726         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
 727         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
 728         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
 729         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
 730         define_splits, sqrt<mode>2): Disable where appropriate for
 731         standard excess precision.
 732         * convert.c (convert_to_real): Do not shorten arithmetic to type
 733         for which excess precision would be used.
 734         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
 735         * doc/invoke.texi (-fexcess-precision=): Document option.
 736         (-mfpmath=): Correct index entry.
 737         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
 738         flag_excess_precision): New.
 739         * langhooks.c (lhd_post_options): Set
 740         flag_excess_precision_cmdline.
 741         * opts.c (common_handle_option): Handle -fexcess-precision=.
 742         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
 743         init_excess_precision): New.
 744         (lang_dependent_init_target): Call init_excess_precision.
 745         * tree.c (excess_precision_type): New.
 746         * tree.h (excess_precision_type): Declare.
 747
 748 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
 749
 750         PR c/35235
 751         * c-typeck.c (build_component_ref): Do not copy qualifiers from
 752         non-lvalue to component.
 753
 754 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
 755
 756         PR preprocessor/34695
 757         * Makefile.in (c-opts.o): Depend on c-tree.h.
 758         * c-common.c: Move down include of diagnostic.h.
 759         (done_lexing, c_cpp_error): New.
 760         * c-common.h (done_lexing): Declare.
 761         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
 762         (parse_in).
 763         * c-opts.c: Include c-tree.h.
 764         (c_common_init_options): Set preprocessor error callback.
 765         (c_common_handle_option): Do not set preprocessor
 766         inhibit_warnings, warnings_are_errors, warn_system_headers,
 767         pedantic_errors or inhibit_warnings flags.
 768         (c_common_post_options): Do not check cpp_errors (parse_in).
 769         (c_common_finish): Do not output dependencies if there were
 770         errors.  Do not check return value of cpp_finish.
 771         * c-ppoutput.c (pp_file_change): Set input_location.
 772         * c-tree.h (c_cpp_error): Declare.
 773         * diagnostic.c (diagnostic_set_info_translated): Also initialize
 774         override_column.
 775         (diagnostic_build_prefix): Check override_column.
 776         * diagnostic.h (diagnostic_info): Add override_column field.
 777         (diagnostic_override_column): Define.
 778
 779 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
 780
 781         * c-common.c (c_expand_expr, c_staticp): Remove.
 782         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
 783         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
 784         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
 785         * c-gimplify.c (gimplify_compound_literal_expr,
 786         optimize_compound_literals_in_ctor): Remove.
 787         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
 788         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
 789         * c-semantics.c (emit_local_var): Remove.
 790
 791         * langhooks-def.h (lhd_expand_expr): Remove.
 792         * langhooks.c (lhd_expand_expr): Remove.
 793         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
 794
 795         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
 796         handling from c-semantics.c; don't call into langhook.
 797         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
 798         * gimplify.c (gimplify_compound_literal_expr,
 799         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
 800         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
 801         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
 802         as was done in c-gimplify.c.
 803         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
 804         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
 805         Move from c-common.h.
 806         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
 807
 808         * tree.c (staticp): Do not call langhook.
 809         * langhooks.c (lhd_staticp): Delete.
 810         * langhooks-def.h (lhd_staticp): Delete prototype.
 811         (LANG_HOOKS_STATICP): Delete.
 812         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
 813
 814         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
 815         instead of DECL_STMTs.
 816
 817 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
 818
 819         PR c/456
 820         PR c/5675
 821         PR c/19976
 822         PR c/29116
 823         PR c/31871
 824         PR c/35198
 825         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
 826         void_type_node.
 827         (fold_call_expr): Return a NOP_EXPR from folding rather than the
 828         contained expression.
 829         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
 830         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
 831         conditional expressions for C.
 832         (decl_constant_value_for_optimization): Move from
 833         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
 834         whether optimizing and that the expression is a VAR_DECL not of
 835         array type instead of doing such checks in the caller.  Do not
 836         check pedantic.  Call gcc_unreachable for C++.
 837         * c-common.def (C_MAYBE_CONST_EXPR): New.
 838         * c-common.h (c_fully_fold, c_save_expr,
 839         decl_constant_value_for_optimization): New prototypes.
 840         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
 841         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
 842         EXPR_INT_CONST_OPERANDS): Define.
 843         * c-convert.c (convert): Strip nops from expression.
 844         * c-decl.c (groktypename): Take extra parameters expr and
 845         expr_const_operands.  Update call to grokdeclarator.
 846         (start_decl): Update call to grokdeclarator.  Add statement for
 847         expressions used in type of decl.
 848         (grokparm): Update call to grokdeclarator.
 849         (push_parm_decl): Update call to grokdeclarator.
 850         (build_compound_literal): Add parameter non_const and build a
 851         C_MAYBE_COSNT_EXPR if applicable.
 852         (grokdeclarator): Take extra parameters expr and
 853         expr_const_operands.  Track expressions used in declaration
 854         specifiers and declarators.  Fold array sizes and track whether
 855         they are constant expressions and whether they are integer
 856         constant expressions.
 857         (parser_xref_tag): Set expr and expr_const_operands fields in
 858         return value.
 859         (grokfield): Update call to grokdeclarator.
 860         (start_function): Update call to grokdeclarator.
 861         (build_null_declspecs): Set expr and expr_const_operands fields in
 862         return value.
 863         (declspecs_add_type): Handle expressions in typeof specifiers.
 864         * c-parser.c (c_parser_declspecs): Set expr and
 865         expr_const_operands fields for declaration specifiers.
 866         (c_parser_enum_specifier): Likewise.
 867         (c_parser_struct_or_union_specifier): Likewise.
 868         (c_parser_typeof_specifier): Likewise.  Update call to
 869         groktypename.  Fold expression as needed.  Return expressions with
 870         type instead of adding statements.
 871         (c_parser_attributes): Update calls to c_parser_expr_list.
 872         (c_parser_statement_after_labels): Fold expression before passing
 873         to objc_build_throw_stmt.
 874         (c_parser_condition): Fold expression.
 875         (c_parser_asm_operands): Fold expression.
 876         (c_parser_conditional_expression): Use c_save_expr.  Update call
 877         to build_conditional_expr.
 878         (c_parser_alignof_expression): Update call to groktypename.
 879         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
 880         original_code.  Fold expression argument of va_arg.  Create
 881         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
 882         argument to va_arg.  Update calls to groktypename.  Fold array
 883         index for offsetof.  Verify that first argument to
 884         __builtin_choose_expr has integer type.
 885         (c_parser_postfix_expression_after_paren_type): Update calls to
 886         groktypename and build_compound_literal.  Handle expressions with
 887         side effects in type name.
 888         (c_parser_postfix_expression_after_primary): Update call to
 889         c_parser_expr_list.  Set original_code for calls to
 890         __builtin_constant_p.
 891         (c_parser_expr_list): Take extra parameter fold_p.  Fold
 892         expressions if requested.
 893         (c_parser_objc_type_name): Update call to groktypename.
 894         (c_parser_objc_synchronized_statement): Fold expression.
 895         (c_parser_objc_receiver): Fold expression.
 896         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
 897         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
 898         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
 899         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
 900         (struct c_typespec): Add elements expr and expr_const_operands.
 901         (struct c_declspecs): Add elements expr and expr_const_operands.
 902         (groktypename, build_conditional_expr, build_compound_literal):
 903         Update prototypes.
 904         (in_late_binary_op): Declare.
 905         * c-typeck.c (note_integer_operands): New function.
 906         (in_late_binary_op): New variable.
 907         (decl_constant_value_for_broken_optimization): Move to c-common.c
 908         and rename to decl_constant_value_for_optimization.
 909         (default_function_array_conversion): Do not strip nops.
 910         (default_conversion): Do not call
 911         decl_constant_value_for_broken_optimization.
 912         (build_array_ref): Do not fold result.
 913         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
 914         result when operand is a VLA.
 915         (c_expr_sizeof_type): Update call to groktypename.  Handle
 916         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
 917         result when operand names a VLA type.
 918         (build_function_call): Update call to build_compound_literal.
 919         Only fold result for calls to __builtin_* functions.  Strip
 920         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
 921         the function designator.
 922         (convert_arguments): Fold arguments.  Update call to
 923         convert_for_assignment.
 924         (build_unary_op): Handle increment and decrement of
 925         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
 926         decrement earlier.  Fold operand of increment and decrement.
 927         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
 928         built for integer operand.  Wrap returns that are INTEGER_CSTs
 929         without being integer constant expressions or that have integer
 930         constant operands without being INTEGER_CSTs.
 931         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
 932         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
 933         result is an integer constant expression or can be used in
 934         unevaluated parts of one and avoid folding and wrap as
 935         appropriate.  Fold operands before possibly doing -Wsign-compare
 936         warnings.
 937         (build_compound_expr): Wrap result for C99 if operands can be used
 938         in integer constant expressions.
 939         (build_c_cast): Update call to digest_init.  Do not ignore
 940         overflow from casting floating-point constants to integers.  Wrap
 941         results that could be confused with integer constant expressions,
 942         null pointer constants or floating-point constants.
 943         (c_cast_expr): Update call to groktypename.  Handle expressions
 944         included in type name.
 945         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
 946         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
 947         Update calls to convert_for_assignment.
 948         (convert_for_assignment): Take new parameter
 949         null_pointer_constant.  Do not strip nops or call
 950         decl_constant_value_for_broken_optimization.  Set
 951         in_late_binary_op for conversions to boolean.
 952         (store_init_value): Update call to digest_init.
 953         (digest_init): Take new parameter null_pointer_constant.  Do not
 954         call decl_constant_value_for_broken_optimization.  pedwarn for
 955         initializers not constant expressions.  Update calls to
 956         convert_for_assignment.
 957         (constructor_nonconst): New.
 958         (struct constructor_stack): Add nonconst element.
 959         (really_start_incremental_init, push_init_level, pop_init_level):
 960         Handle constructor_nonconst and nonconst element.
 961         (set_init_index): Call constant_expression_warning for array
 962         designators.
 963         (output_init_element): Fold value.  Set constructor_nonconst as
 964         applicable.  pedwarn for initializers not constant expressions.
 965         Update call to digest_init.  Call constant_expression_warning
 966         where constant initializers are required.
 967         (process_init_element): Use c_save_expr.
 968         (c_finish_goto_ptr): Fold expression.
 969         (c_finish_return): Fold return value.  Update call to
 970         convert_for_assignment.
 971         (c_start_case): Fold switch expression.
 972         (c_process_expr_stmt): Fold expression.
 973         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
 974         ensure statement expression is not evaluated in constant expression.
 975         (build_binary_op): Track whether results are integer constant
 976         expressions or may occur in such, disable folding and wrap results
 977         as applicable.  Fold operands for -Wsign-compare warnings unless
 978         in_late_binary_op.
 979         (c_objc_common_truthvalue_conversion): Handle results folded to
 980         integer constants that are not integer constant expressions.
 981         * doc/extend.texi: Document when typeof operands are evaluated,
 982         that condition of __builtin_choose_expr is an integer constant
 983         expression, and more about use of __builtin_constant_p in
 984         initializers.
 985
 986 2009-03-29  Richard Guenther  <rguenther@suse.de>
 987
 988         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
 989         propagate addresses of array references.
 990
 991 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
 992
 993         * regmove.c (perhaps_ends_bb_p): Remove.
 994         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
 995         from INSN and check that the main loop stays within that basic block.
 996         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
 997         (regmove_forward_pass): Split out from regmove_optimize.  Use
 998         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
 999         (regmove_backward_pass): Split out from regmove_optimize.  Use
1000         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
1001         (regmove_optimize): Simplify.
1002
1003 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
1004
1005         PR target/39545
1006         * config/i386/i386.c (classify_argument): Ignore flexible array
1007         member in struct and warn ABI change.
1008
1009 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
1010
1011         * config/i386/i386-protos.h (ix86_agi_dependent): New.
1012
1013         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
1014         (ix86_adjust_cost): Updated.
1015
1016 2009-03-29  Jan Hubicka  <jh@suse.cz>
1017
1018         PR middle-end/28850
1019         * tree-pass.h (pass_cleanup_eh): New function.
1020         (remove_unreachable_regions): Break code handling RTL
1021         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
1022         that can not be reached by runtime.
1023         (can_be_reached_by_runtime): New function.
1024         (label_to_region_map): New function.
1025         (num_eh_regions): New function.
1026         (rtl_remove_unreachable_regions): New function.
1027         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
1028         (remove_eh_region): New function.
1029         * except.h: Include sbitmap and vecprim.
1030         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
1031         num_eh_regions): Declare.
1032         * passes.c (init_optimization_passes): Schedule cleanup_eh.
1033         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
1034         * tree-eh.c (tree_remove_unreachable_handlers): New function.
1035         (tree_empty_eh_handler_p): New function.
1036         (cleanup_empty_eh): New function.
1037         (cleanup_eh): New function.
1038         (pass_cleanup_eh): New function.
1039
1040 2009-03-29  Jan Hubicka  <jh@suse.cz>
1041
1042         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
1043         for removed regions.
1044
1045 2009-03-29  Jan Hubicka  <jh@suse.cz>
1046
1047         * except.c (dump_eh_tree): Dump all datastructures.
1048
1049 2009-03-29  Jan Hubicka  <jh@suse.cz>
1050
1051         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
1052         (duplicate_eh_regions_1): Likewise.
1053         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
1054         vector; call EH verification.
1055         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
1056         Be ready for region being removed.
1057
1058 2009-03-29  Jan Hubicka  <jh@suse.cz>
1059
1060         * bitmap.c (bitmap_last_set_bit): New function.
1061         * bitmap.h (bitmap_last_set_bit): Declare.
1062
1063 2009-03-29  David Ayers  <ayers@fsfe.org>
1064
1065         PR objc/27377
1066         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
1067         by calling objc_compare_types and surpress warnings about
1068         incompatible C pointers that are compatible ObjC pointers.
1069
1070 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
1071
1072         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
1073         call initialize_inline_failed.
1074         (initialize_inline_failed): Move it from here ...
1075         * cgraph.c (initialize_inline_failed): ... to here.
1076         (cgraph_create_edge): Call initialize_inline_failed rather than
1077         setting inline_failed directly.
1078
1079 2009-03-29  Ben Elliston  <bje@au.ibm.com>
1080
1081         PR target/32542
1082         * sysv4.opt (msdata): Improve comment.
1083         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
1084         * sysv4.h (SVR4_ASM_SPEC): Likewise.
1085
1086 2009-03-29  Ben Elliston  <bje@au.ibm.com>
1087
1088         PR target/30451
1089         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
1090         load and store attributes.
1091
1092 2009-03-29  Ben Elliston  <bje@au.ibm.com>
1093
1094         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
1095         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
1096         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
1097         * doc/extend.texi (X86 Built-in Functions): Add index entries for
1098         __builtin_infq and __builtin_huge_valq.
1099
1100 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
1101
1102         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
1103         atmega8m1 devices.
1104         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1105         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
1106
1107 2009-03-28  Xinliang David Li  <davidxl@google.com>
1108
1109         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
1110         (do_dbg_cnt): New function.
1111
1112 2009-03-28  Jan Hubicka  <jh@suse.cz>
1113
1114         Merge from pretty-ipa:
1115
1116         2009-03-27  Jan Hubicka  <jh@suse.cz>
1117
1118         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
1119         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
1120         * passes.c (function_called_by_processed_nodes_p): New.
1121         * ipa-pure-const.c (check_call): Fix handling of operands.
1122         (analyze_function): Dump debug output for skipped bodies.
1123         (local_pure_const): Use function_called_by_processed_nodes_p.
1124         * dwarf2out.c (reference_to_unused): Use output.
1125         * passes.c (do_per_function_toporder): Likewise.
1126
1127         2008-11-12  Jan Hubicka  <jh@suse.cz>
1128
1129         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
1130         * ipa-pure-const.c (funct_state_d): Add can throw field; make
1131         state_set_in_source enum
1132         (check_decl): Ignore memory tags; do not set fake looping flags;
1133         dump diagnostics.
1134         (check_operand, check_tree, check_rhs_var, check_lhs_var,
1135         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
1136         (check_call, analyze_function): Rewrite.
1137         (check_stmt): New.
1138         (add_new_function): Update call of analyze_function.
1139         (generate_summary): Add call of analyze_function.
1140         (propagate): Propagate can_throw; handle state_set_in_source correctly.
1141         (local_pure_const): New function.
1142         (pass_local_pure_const): New pass.
1143         * ipa-inline.c (inline_transform): Set after_inlining.
1144         * tree-eh.c (stmt_can_throw_external): New.
1145         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
1146         work with aliasing built.
1147         * tree-flow.h (stmt_can_throw_external): New.
1148         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
1149         and local pure/const pass in early and late optimization queue.
1150
1151 2009-03-28  Martin Jambor  <mjambor@suse.cz>
1152
1153         * fold-const.c (get_pointer_modulus_and_residue): New parameter
1154         allow_func_align.
1155         (fold_binary): Allow function decl aligment consideration is the
1156         second argument is integer constant one.
1157         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
1158         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
1159         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
1160
1161 2009-03-28  Jan Hubicka  <jh@suse.cz>
1162
1163         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
1164         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
1165         * function.h (rtl_data): Add nothrow flag.
1166         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
1167         set DECL_NOTHROW for AVAILABLE functions.
1168
1169 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
1170
1171         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
1172         following vector keyword has expansion starting with pixel or bool
1173         keyword, expand vector to __vector and pixel or bool to __pixel or
1174         __bool.
1175
1176         PR c++/39554
1177         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
1178         warn_if_disallowed_function_p): Removed.
1179         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
1180         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
1181         warning_if_disallowed_function_p.
1182         * flags.h (warn_if_disallowed_function_p,
1183         warn_disallowed_functions): Removed.
1184         * common.opt (Wdisallowed-function-list=): Removed.
1185         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
1186
1187 2009-03-28  Richard Guenther  <rguenther@suse.de>
1188
1189         PR tree-optimization/38723
1190         * tree-ssa-pre.c (compute_avail): Add all default definitions to
1191         the entry block.
1192
1193 2009-03-28  Jan Hubicka  <jh@suse.cz>
1194
1195         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
1196         test introduced by my previous patch.
1197
1198 2009-03-28  Richard Guenther  <rguenther@suse.de>
1199
1200         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
1201         the PHIs value undefined.
1202
1203 2009-03-28  Jan Hubicka  <jh@suse.cz>
1204
1205         * tree-pass.h (pass_fixup_cfg): New pass.
1206         * ipa-inline.c (inline_transform): Set
1207         always_inline_functions_inlined/after_inlining.
1208         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
1209         (pass_fixup_cfg): New pass.
1210         * passes.c (init_optimization_passes): Add fixup_cfg.
1211
1212 2009-03-28  Richard Guenther  <rguenther@suse.de>
1213
1214         PR tree-optimization/38458
1215         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
1216         argument use the arguments copy-of value.
1217
1218 2009-03-28  Richard Guenther  <rguenther@suse.de>
1219
1220         PR tree-optimization/38180
1221         * tree-ssa-ccp.c (get_default_value): Simplify.
1222         (likely_value): Likewise.
1223         (surely_varying_stmt_p): Properly handle VOP case.
1224         (ccp_initialize): Likewise.
1225         (ccp_fold): Handle propagating through *&.
1226         (fold_const_aggregate_ref): Also handle decls.
1227
1228 2009-03-28  Jan Hubicka  <jh@suse.cz>
1229
1230         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
1231         * cgraph.h (cgraph_node): Likewise.
1232         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
1233         (cgraph_reset_node): Use process flag.
1234         (cgraph_mark_functions_to_output): Likewise.
1235         (cgraph_expand_function): Likewise.
1236         (cgraph_expand_all_functions): Likewise.
1237         (cgraph_output_in_order): Likewise.
1238         * dwarf2out.c (reference_to_unused): Likewise.
1239         * passes.c do_per_function_toporder): Likewise.
1240
1241 2009-03-28  Jan Hubicka  <jh@suse.cz>
1242
1243         Bring from lto-branch:
1244
1245         2008-09-03  Doug Kwan  <dougkwan@google.com>
1246
1247         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
1248         enums instead of reason strings.
1249         * cgraph.c (cgraph_create_edge): Same.
1250         (cgraph_inline_failed_string): New function.
1251         * cgraph.h (cgraph_inline_failed_t): New enum type.
1252         (cgraph_inline_failed_string): New prototype.
1253         (struct cgraph_edge): Change type of INLINED_FAILED from constant
1254         char pointer to cgraph_inline_failed_t.
1255         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
1256         (cgraph_default_inline_p): Ditto.
1257         * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
1258         to cgraph_inline_failed_t pointer.
1259         * cif-code.def: New file.
1260         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
1261         reason string.
1262         (cgraph_check_inline_limits): Change type of REASON to pointer to
1263         cgraph_inline_failed_t.  Replace reason strings with enums.
1264         (cgraph_default_inline_p): Ditto.
1265         (cgraph_recursive_inlining_p): Ditto.
1266         (update_caller_keys): Change type of FAILED_REASON to
1267         cgraph_inline_failed_t.
1268         (cgraph_set_inline_failed): Change type of REASON to pointer to
1269         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
1270         convert enums to strings for text output.
1271         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
1272         to be of type cgraph_inline_failed_t.  Replace reason strings with
1273         enums.  Call cgraph_inline_failed_string to covert enums
1274         to strings for text output.
1275         (cgraph_decide_inlining): Replace reason strings with enums.
1276         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
1277         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
1278         for text output.
1279         * tree-inline.c (expand_call_inline): Change type of REASON
1280         to cgraph_inline_failed_t.  Replace reason strings with enums.
1281         Call cgraph_inline_failed_string for text output.
1282         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
1283         (cgraph.o): Ditto.
1284
1285 2009-03-28  Jan Hubicka  <jh@suse.cz>
1286
1287         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
1288         cgraph_clone_node): Remove master clone handling.
1289         (cgraph_is_master_clone, cgraph_master_clone): Remove.
1290         * cgraph.h (master_clone): Remove.
1291         (cgraph_is_master_clone, cgraph_master_clone): Remove.
1292         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
1293         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
1294
1295 2009-03-28  Jan Hubicka  <jh@suse.cz>
1296
1297         * cgraph.c (cgraph_function_body_availability): Functions declared
1298         inline are always safe to assume that it is not going to be replaced.
1299
1300 2009-03-28  Richard Guenther  <rguenther@suse.de>
1301
1302         PR tree-optimization/38513
1303         * tree-ssa-pre.c (eliminate): Remove redundant stores.
1304         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1305         EXC_PTR_EXPR and FILTER_EXPR.
1306         (get_ref_from_reference_ops): Likewise.
1307
1308 2009-03-28  Richard Guenther  <rguenther@suse.de>
1309
1310         PR tree-optimization/38968
1311         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
1312         Use FLOOR_MOD_EXPR to compute misalignment.
1313
1314 2009-03-28  Richard Guenther  <rguenther@suse.de>
1315
1316         PR tree-optimization/37795
1317         * tree.h (combine_comparisons): Declare.
1318         * fold-const.c (combine_comparisons): Export.
1319         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
1320         comparisons.
1321         (ifcombine_iforif): Use combine_comparisons.
1322
1323 2009-03-28  Jan Hubicka  <jh@suse.cz>
1324
1325         * tree-eh.c (inlinable_call_p): New function.
1326         (make_eh_edges): Use it.
1327         (verify_eh_edges): Use it.
1328         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
1329         * except.c (reachable_next_level): Add inlinable_function argument
1330         (sjlj_find_directly_reachable_regions): Update.
1331         (add_reachable_handler): Do not set saw_any_handlers.
1332         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
1333         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
1334         Add new inlinable call parameter.
1335         (can_throw_internal, can_throw_external): Update.
1336         * except.h (can_throw_internal_1, can_throw_external_1,
1337         foreach_reachable_handler): Update declaration.
1338
1339 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
1340
1341         * config/arm/t-arm-coff, config/h8300/coff.h,
1342         config/i386/i386-aout.h, config/i386/i386-coff.h,
1343         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
1344         config/pdp11/2bsd.h, config/rs6000/aix41.h,
1345         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
1346         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
1347         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
1348         sys-types.h: Remove.
1349         * Makefile.in: Remove protoize and fixproto support and references
1350         in comments.
1351         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
1352         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
1353         Remove.
1354         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
1355         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
1356         unprotoize$(exeext).
1357         (rest.encap): Don't depend on $(STMP_FIXPROTO)
1358         (.PHONY): Don't depend on proto.
1359         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
1360         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
1361         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
1362         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
1363         build/gen-protos.o, build/scan.o, xsys-protos.h,
1364         build/fix-header$(build_exeext), build/fix-header.o,
1365         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
1366         stmp-install-fixproto): Remove.
1367         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
1368         SYSCALLS.c or fixproto files.
1369         (install-common): Don't install protoize.
1370         (install-headers-tar, install-headers-cpio, install-headers-cp):
1371         Don't depend on $(STMP_FIXPROTO).
1372         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
1373         install fixproto files or write out fixproto settings.
1374         (uninstall): Don't uninstall protoize.
1375         * config.gcc (use_fixproto): Remove.
1376         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
1377         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
1378         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
1379         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
1380         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
1381         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
1382         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
1383         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
1384         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
1385         * config/t-vxworks (STMP_FIXPROTO): Remove.
1386         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
1387         STMP_FIXPROTO): Remove.
1388         * config.in, configure: Regenerate.
1389         * crtstuff.c (gid_t, uid_t): Don't undefine.
1390         * doc/install.texi: Change m68k-coff to m68k-elf in example.
1391         (arm-*-coff, arm-*-aout: Remove target entries.
1392         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
1393         Remove mention of AIX 4.1.
1394         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
1395         * doc/invoke.texi (Running Protoize): Remove.
1396         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
1397         (Protoize Caveats): Remove.
1398         * tsystem.h: Update comments on headers assumed to exist.
1399
1400 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
1401
1402         * genautomata.c: Add a new year to the copyright.  Add a new
1403         reference.
1404         (struct insn_reserv_decl): Add comments for member bypass_list.
1405         (find_bypass): Remove.
1406         (insert_bypass): New.
1407         (process_decls): Use insert_bypass.
1408         (output_internal_insn_latency_func): Output all bypasses with the
1409         same input insn in one switch case.
1410
1411         * rtl.def (define_bypass): Describe bypass choice.
1412         * doc/md.texi (define_bypass): Ditto.
1413
1414 2009-03-27  Richard Guenther  <rguenther@suse.de>
1415
1416         * gimplify.c (mark_addressable): Export.
1417         * tree-flow.h (mark_addressable): Declare.
1418         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
1419         * tree-ssa.c (verify_phi_args): Verify that address taken
1420         variables have TREE_ADDRESSABLE set.
1421
1422 2009-03-27  Richard Guenther  <rguenther@suse.de>
1423
1424         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
1425         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
1426         Do not mark decls TREE_ADDRESSABLE.
1427         (build_fold_addr_expr): Adjust.
1428         (fold_addr_expr): Remove.
1429         (fold_unary): Use build_fold_addr_expr.
1430         (fold_comparison): Likewise.
1431         (split_address_to_core_and_offset): Likewise.
1432         * coverage.c (tree_coverage_counter_addr): Mark the array decl
1433         TREE_ADDRESSABLE.
1434         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
1435         (gimplify_modify_expr_to_memcpy): Mark source and destination
1436         addressable.
1437         * omp-low.c (create_omp_child_function): Mark the object decl
1438         TREE_ADDRESSABLE.
1439         (lower_rec_input_clauses): Mark the var we take the address of
1440         TREE_ADDRESSABLE.
1441         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
1442
1443 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
1444
1445         PR middle-end/39315
1446         * cfgexpand.c (expand_one_stack_var_at): Change alignment
1447         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
1448
1449 2009-03-27  Richard Guenther  <rguenther@suse.de>
1450
1451         PR tree-optimization/39120
1452         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
1453         constraints.
1454         (handle_lhs_call): Process return constraints.  Add escape
1455         constraints if necessary.
1456         (handle_const_call): Fill out return constraints.  Make nested
1457         case more precise.  Avoid consttmp if possible.
1458         (handle_pure_call): Fill out return constraints.  Avoid
1459         callused if possible.
1460         (find_func_aliases): Simplify call handling.
1461
1462 2009-03-27  Richard Guenther  <rguenther@suse.de>
1463
1464         PR tree-optimization/39120
1465         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
1466         as a representative.
1467         (solve_graph): Do propagate CALLUSED.
1468         (handle_pure_call): Use a scalar constraint from CALLUSED for
1469         the return value.
1470         (find_what_p_points_to): CALLUSED shall not appear in poins-to
1471         solutions.
1472
1473 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
1474
1475         PR c/39323
1476         * c-common.c (handle_aligned_attribute): Properly check alignment
1477         overflow.  Use (1U << i) instead of (1 << i).
1478
1479         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
1480
1481         * expr.h (get_mem_align_offset): Updated.
1482
1483         * tree.h (tree_decl_common): Change align to "unsigned int" and
1484         move it before pointer_alias_set.
1485
1486 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
1487             Jakub Jelinek  <jakub@redhat.com>
1488
1489         PR target/38034
1490         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
1491         gr_register_operand with gr_reg_or_0_operand.
1492         (cmpxchg_rel_di): Likewise.
1493         (sync_lock_test_and_set<mode>): Likewise.
1494
1495 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
1496
1497         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
1498         (true_regnum): Likewise.
1499
1500         * rtlanal.c (subreg_info): Moved to ...
1501         * rtl.h (subreg_info): Here.  New.
1502         (subreg_get_info): New.
1503
1504         * rtlanal.c (subreg_get_info): Make it extern.
1505
1506 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
1507
1508         PR target/39472
1509         * config/i386/i386.c (ix86_abi): New.
1510         (override_options): Handle -mabi=.
1511         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
1512         (ix86_call_abi_override): Likewise.
1513         (init_cumulative_args): Likewise.
1514         (function_arg_advance): Likewise.
1515         (function_arg_64): Likewise.
1516         (function_arg): Likewise.
1517         (ix86_pass_by_reference): Likewise.
1518         (ix86_function_value_regno_p): Likewise.
1519         (ix86_build_builtin_va_list_abi): Likewise.
1520         (setup_incoming_varargs_64): Likewise.
1521         (is_va_list_char_pointer): Likewise.
1522         (ix86_init_machine_status): Likewise.
1523         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
1524         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
1525         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
1526         (ix86_function_abi): Make it static and return enum calling_abi.
1527         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
1528         with ix86_abi.
1529         (ix86_fn_abi_va_list): Updated.
1530
1531         * config/i386/i386.h (ix86_abi): New.
1532         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
1533         (CONDITIONAL_REGISTER_USAGE): Likewise.
1534         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
1535         (machine_function): Likewise.
1536
1537         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
1538         with ix86_abi.
1539         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
1540         (STACK_BOUNDARY): Likewise.
1541         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
1542
1543         * config/i386/i386.opt (mabi=): New.
1544
1545         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
1546         return enum calling_abi.
1547         (ix86_function_type_abi): Likewise.
1548         (ix86_function_abi): Removed.
1549
1550         * doc/invoke.texi: Document -mabi= option for x86.
1551
1552 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1553
1554         * builtins.c (real_dconstp): Delete.
1555         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
1556
1557 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
1558             Jakub Jelinek  <jakub@redhat.com>
1559
1560         PR debug/37959
1561         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
1562         (gen_subprogram_die): When a function is explicit, generate the
1563         DW_AT_explicit attribute.
1564         * langhooks.h (struct lang_hooks_for_decls): Add
1565         function_decl_explicit_p langhook.
1566         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
1567         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
1568
1569 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
1570
1571         * builtins.c (fold_builtin_memory_op): Optimize memmove
1572         into memcpy if we can prove source and destination don't overlap.
1573
1574         * tree-inline.c: Include gt-tree-inline.h.
1575         (clone_fn_id_num): New variable.
1576         (clone_function_name): New function.
1577         (tree_function_versioning): Use it.
1578         * Makefile.in (GTFILES): Add tree-inline.c.
1579
1580 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
1581
1582         * BASE-VER: Change to 4.5.0.
1583
1584 2009-03-27  Xinliang David Li  <davidxl@google.com>
1585
1586         PR tree-optimization/39557
1587         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
1588
1589 2009-03-27  Xinliang David Li  <davidxl@google.com>
1590
1591         PR tree-optimization/39548
1592         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
1593         candidate check.
1594
1595 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
1596
1597         * c-common.c (pointer_int_sum): Use %wd on return from
1598         tree_low_cst.
1599
1600 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
1601
1602         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
1603         on return from tree_low_cst.
1604
1605 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1606
1607         PR c++/36799
1608         * ginclude/stdarg.h (va_copy): Define also for
1609         __GXX_EXPERIMENTAL_CXX0X__.
1610
1611 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1612
1613         PR c++/35652
1614         * builtins.h (c_strlen): Do not warn here.
1615         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
1616         * c-common.c (pointer_int_sum): Take an explicit location.
1617         Warn about offsets out of bounds.
1618         * c-common.h (pointer_int_sum): Adjust declaration.
1619
1620 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1621
1622         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
1623         markup glitch.
1624
1625 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
1626
1627         PR c++/39554
1628         * opts.c (warn_if_disallowed_function_p): Don't assume
1629         get_callee_fndecl must return non-NULL.
1630
1631 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
1632
1633         PR rtl-optimization/39522
1634         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
1635         when reg_reloaded_valid is set.
1636
1637 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1638
1639         * config/spu/divv2df3.c: New file.
1640         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
1641         (DPBIT_FUNCS): Filter out _div_df.
1642
1643 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
1644
1645         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
1646         a jump insn, count that jump in the distance to the loop start.
1647
1648 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
1649
1650         PR target/39523
1651         * config/sh/sh.c (calc_live_regs): Fix condition for global
1652         registers except PIC_OFFSET_TABLE_REGNUM.
1653
1654 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
1655
1656         PR/39518
1657         * doc/invoke.texi (-mconsole): New.
1658         (-mcygwin): New.
1659         (-mno-cygwin): New.
1660         (-mdll): New.
1661         (-mnop-fun-dllimport): New.
1662         (-mthread): New.
1663         (-mwin32): New.
1664         (-mwindows): New.
1665         (sub section "i386 and x86-64 Windows Options"): New.
1666
1667 2009-03-25  Ralf Corsépius <ralf.corsepius@rtems.org>
1668
1669         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
1670         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
1671
1672 2009-03-25  Richard Guenther  <rguenther@suse.de>
1673
1674         PR middle-end/39497
1675         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
1676         of -Wno-error.
1677
1678 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
1679
1680         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
1681         neither of haifa/selective schedulers are working.
1682
1683 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1684
1685         * doc/invoke.texi (Debugging Options): Fix description of
1686         -fno-merge-debug-strings.
1687
1688 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
1689
1690         * config/cris/libgcc.ver: New version-script.
1691         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
1692
1693         * configure.ac <GAS features, nop mnemonic>: Add pattern
1694         crisv32-*-* for "nop".
1695         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
1696         * configure: Regenerate.
1697
1698 2009-03-24  Ira Rosen  <irar@il.ibm.com>
1699
1700         PR tree-optimization/39529
1701         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
1702         mark_sym_for_renaming for the tag copied to the new vector
1703         pointer.
1704
1705 2009-03-24  Arthur Loiret  <aloiret@debian.org>
1706
1707         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
1708         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
1709         EXTRA_SPEC_FUNCTIONS.
1710         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
1711         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
1712         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
1713         -march and -mtune options.
1714
1715 2009-03-24  Ralf Corsépius <ralf.corsepius@rtems.org>
1716
1717         * config/m68k/t-rtems: Add m5329 multilib.
1718
1719 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
1720             Jakub Jelinek  <jakub@redhat.com>
1721
1722         PR debug/39524
1723         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
1724         nodes.
1725
1726 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
1727
1728         PR c/39495
1729         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
1730         instead of c_parser_expression_conv, if original_code isn't one of the
1731         4 allowed comparison codes, fail.
1732
1733 2009-03-23  Richard Guenther  <rguenther@suse.de>
1734
1735         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
1736         * tree.h (struct tree_type): Likewise.
1737         * reload.h (struct insn_chain): Likewise.
1738         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
1739         * function.h (struct function): Likewise.
1740         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
1741
1742 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
1743
1744         PR tree-optimization/39516
1745         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
1746
1747 2009-03-23 Bingfeng Mei  <bmei@broadcom.com>
1748
1749         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
1750         should be set true if BITS_PER_WORD of target is bigger than 32
1751
1752 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
1753
1754         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
1755         Translate -B-options to -rpath-link.  Correct existing
1756         rpath-link and conditionalize on !nostdlib.
1757
1758 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1759
1760         * doc/extend.texi (Function Attributes, Variable Attributes):
1761         Fix typos.
1762         * doc/invoke.texi (Debugging Options, Optimize Options)
1763         (i386 and x86-64 Options, MCore Options): Likewise.
1764
1765 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
1766
1767         PR debug/37890
1768         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
1769         it for block local namespace aliases.
1770         (gen_decl_die): Pass context_die to gen_namespace_die.
1771
1772 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
1773
1774         PR c/39495
1775         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
1776         minimum or maximum value.
1777
1778 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
1779
1780         * reginfo.c (globalize_reg): Recompute derived reg sets.
1781
1782 2009-03-19  Ozkan Sezer <sezeroz@gmail.com>
1783
1784         PR target/39063
1785         * libgcc2.c (mprotect): Do not use signed arguments for
1786         VirtualProtect, use DWORD arguments.  Also fix the 'may
1787         be used uninitialized' warning for the np variable.
1788
1789 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
1790
1791         PR target/39496
1792         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
1793         functions using regparm calling conventions when not optimizing.
1794         (ix86_function_sseregparm): Similarly for sseregparm calling
1795         conventions.
1796
1797 2009-03-19  Li Feng  <nemokingdom@gmail.com>
1798
1799         PR middle-end/39500
1800         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
1801         dependence if the first conflict is after niter iterations.
1802
1803 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
1804
1805         PR middle-end/38609
1806         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
1807         functions with dynamic stack-pointer adjustments.
1808
1809 2009-03-19  Ben Elliston  <bje@au.ibm.com>
1810
1811         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
1812         option; change to -msdata=data.
1813
1814 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1815
1816         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
1817         and -fopenmp.
1818
1819 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
1820
1821         PR target/35180
1822         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
1823
1824 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
1825
1826         * doc/invoke.texi (Code Gen Options): Expand discussion of
1827         -fno-common.
1828
1829 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
1830
1831         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
1832         * matrix-reorg.c (struct matrix_info): Likewise.
1833         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
1834         * rtl.h (struct mem_attrs): Likewise.
1835         * df.h (struct df): Likewise.
1836         * tree-data-ref.h (struct data_dependence_relation): Likewise.
1837         * ira-int.h (struct ira_allocno): Likewise.
1838         * df-scan.c (struct df_collection_rec): Likewise.
1839         * ira.c (struct equivalence): Likewise.
1840         * function.c (struct temp_slot): Likewise.
1841         * cfgloop.h (struct loop): Likewise.
1842
1843         PR debug/39485
1844         * function.c (use_register_for_decl): When not optimizing, disregard
1845         register keyword for variables with types containing methods.
1846
1847 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
1848
1849         PR middle-end/39447
1850         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
1851         (is_simple_operand): Call contains_component_ref_p before calling data
1852         reference analysis that would fail on COMPONENT_REFs.
1853
1854         * tree-vrp.c (search_for_addr_array): Fix formatting.
1855
1856 2009-03-18  Richard Guenther  <rguenther@suse.de>
1857
1858         * tree-vect-transform.c (vect_loop_versioning): Fold the
1859         generated comparisons.
1860         * tree-vectorizer.c (set_prologue_iterations): Likewise.
1861         (slpeel_tree_peel_loop_to_edge): Likewise.
1862
1863 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1864
1865         PR middle-end/37805
1866         * opts.c (print_specific_help): In addition to `undocumented',
1867         accept `separate' and `joined' flags if passed alone.  Describe
1868         output by the first matched one of those.
1869         (common_handle_option): Skip over empty strings.
1870         * gcc.c (display_help): Fix help string for `--help='.
1871         * doc/invoke.texi (Option Summary, Overall Options): With
1872         `--help=', classes and qualifiers can both be repeated, but
1873         only the latter can be negated.  One should not pass only
1874         negated qualifiers.  Fix markup and examples.
1875
1876         Revert
1877         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
1878         PR middle-end/37805
1879         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
1880         and -fhelp=separate.
1881
1882 2009-03-17  Jing Yu  <jingyu@google.com>
1883
1884         PR middle-end/39378
1885         * function.h (struct rtl_data): Move is_thunk from here...
1886         (struct function): ...to here.
1887         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
1888         * varasm.c (assemble_start_function): Change is_thunk from crtl to
1889         cfun.
1890         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
1891         cfun.
1892         (alpha_does_function_need_gp, alpha_start_function): Likewise.
1893         (alpha_output_function_end_prologue): Likewise.
1894         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
1895         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
1896         (rs6000_output_function_epilogue): Likewise.
1897         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
1898
1899 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
1900
1901         PR target/39482
1902         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
1903         from different units in a single alternative.
1904         (*truncdfsf_i387): Ditto.
1905         (*truncxfsf2_mixed): Ditto.
1906         (*truncxfdf2_mixed): Ditto.
1907
1908 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
1909
1910         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
1911         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
1912
1913         PR debug/39474
1914         * tree-ssa-live.c (remove_unused_locals): Don't remove local
1915         unused non-artificial variables when not optimizing.
1916
1917         PR debug/39471
1918         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
1919         DW_TAG_imported_module even if decl is IMPORTED_DECL with
1920         NAMESPACE_DECL in its DECL_INITIAL.
1921
1922         PR middle-end/39443
1923         * optabs.c (set_user_assembler_libfunc): New function.
1924         * expr.h (set_user_assembler_libfunc): New prototype.
1925         * c-common.c: Include libfuncs.h.
1926         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
1927         for memcmp, memset, memcpy, memmove and abort.
1928         * Makefile.in (c-common.o): Depend on libfuncs.h.
1929
1930         PR debug/39412
1931         * dwarf2out.c (gen_inlined_enumeration_type_die,
1932         gen_inlined_structure_type_die, gen_inlined_union_type_die,
1933         gen_tagged_type_instantiation_die): Removed.
1934         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
1935         do nothing.
1936
1937 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
1938
1939         PR testsuite/38526
1940         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
1941         its use.
1942         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
1943         (check-parallel-%): Ditto.
1944         (check-consistency): Ditto.
1945
1946 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
1947
1948         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
1949         local variable rhs by NULL_TREE.
1950
1951 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
1952
1953         PR target/39477
1954         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
1955
1956 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
1957
1958         PR target/39476
1959         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
1960
1961 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
1962
1963         PR target/39473
1964         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
1965         for ms->sysv ABI calls only in 64bit mode.
1966
1967         * config/i386/i386.md (untyped_call): Support 32bit.
1968
1969 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
1970
1971         * doc/extend.texi: Replace x86_65 with x86_64.
1972
1973 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
1974
1975         PR tree-optimization/39455
1976         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
1977         mismatches for POINTER_TYPE_P (type).
1978         (number_of_iterations_le): Likewise.
1979
1980 2009-03-16  Hariharan Sandanagobalane <hariharan@picochip.com>
1981
1982         * config/picochip/picochip.c: Removed profiling support.
1983         * config/picochip/picochip.md: Removed profiling instruction.
1984         * config/picochip/picochip.h: Removed profiling builtin.
1985
1986 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
1987
1988         * doc/install.texi (--with-host-libstdcxx): Document.
1989
1990 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
1991
1992         PR target/34299
1993         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
1994         generate a warning if the function name does not begin with
1995         "__vector" and the function has either the 'signal' or 'interrupt'
1996         attribute, from here to ...
1997         (avr_declare_function_name): ...here. New function.
1998         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
1999         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
2000
2001 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
2002
2003         PR bootstrap/39454
2004         * cse.c (fold_rtx): Don't modify original const_arg1 when
2005         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
2006         separate variable instead.
2007         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
2008         from out of range shift counts.
2009         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
2010
2011 2008-03-13  Catherine Moore  <clm@codesourcery.com>
2012
2013         * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
2014         diagnostic.h with $(DIAGNOSTIC_H).
2015
2016 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
2017
2018         PR target/39431
2019         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
2020         predicate.
2021         * config/i386/sync.md (sync_compare_and_swap<mode>,
2022         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
2023         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
2024         into a register.
2025         (sync_double_compare_and_swapdi_pic,
2026         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
2027         cmpxchg8b_pic_memory_operand instead of just memory_operand.
2028
2029 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
2030
2031         PR target/39445
2032         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
2033
2034 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
2035
2036         PR target/39327
2037         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
2038         (avx_addsubv4df3): Likewise.
2039         (*avx_addsubv4sf3): Likewise.
2040         (sse3_addsubv4sf3): Likewise.
2041
2042 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
2043
2044         PR target/38824
2045         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
2046
2047 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
2048
2049         PR debug/39432
2050         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
2051         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
2052         registers for allocnos created from user-defined variables.
2053
2054 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2055
2056         PR target/39181
2057         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
2058         of non-integer mode as well.
2059
2060 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
2061
2062         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
2063         for functions for which the parameter types are unknown.
2064
2065 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
2066
2067         PR target/39137
2068         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
2069         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
2070         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
2071         * config/i386/i386.c (ix86_local_alignment): For
2072         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
2073         long long variables on the stack to avoid dynamic realignment.
2074         Allow the first argument to be a decl rather than type.
2075         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
2076
2077 2009-03-11  Nick Clifton  <nickc@redhat.com>
2078
2079         PR target/5362
2080         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
2081         options.
2082         Add description to mno-lsim option.
2083         * config/mcore/mcore.h: Remove comment about deprecated m4align
2084         option.
2085         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
2086         * doc/invoke.texi: Add description of mno-lsim and
2087         mstack-increment options.
2088
2089         * config/fr30/fr30.opt: Document the -mno-lsim option.
2090         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
2091         and -mno-lsim options.
2092
2093 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2094
2095         * fold-const.c (fold_comparison): Only call fold_inf_compare
2096         if the mode supports infinities.
2097
2098 2009-03-11  Jason Merrill  <jason@redhat.com>
2099
2100         PR debug/39086
2101         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
2102         end already did.  Notice GIMPLE_CALL modifications of the result.
2103         Don't copy debug information from an ignored decl or a decl from
2104         another function.
2105
2106 2009-03-10  Richard Guenther  <rguenther@suse.de>
2107             Nathan Froyd  <froydnj@codesourcery.com>
2108
2109         PR middle-end/37850
2110         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
2111         (__divMODE3): Likewise.
2112
2113 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
2114
2115         PR tree-optimization/39394
2116         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
2117         DECL_SIZE_UNIT of variable length FIELD_DECLs.
2118
2119 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2120
2121         * recog.c (verfiy_changes): Disallow renaming of hard regs in
2122         inline asms for register asm ("") declarations.
2123
2124 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
2125
2126         * fold-const.c (fold_unary): Fix comment.
2127
2128 2009-03-07  Jan Hubicka  <jh@suse.cz>
2129
2130         PR target/39361
2131         * tree-inline.c (setup_one_parameter): Do replacement of const
2132         argument by constant in SSA form.
2133
2134 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2135
2136         PR middle-end/38028
2137         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
2138         determine alignment passed to assign_stack_local.
2139         (assign_parms_unsplit_complex): Likewise.
2140         * except.c (sjlj_build_landing_pads): Likewise.
2141
2142 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
2143
2144         PR middle-end/39360
2145         * tree-flow.h (add_referenced_var): Return bool instead of void.
2146         * tree-dfa.c (add_referenced_var): Return result of
2147         referenced_var_check_and_insert call.
2148         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
2149         of referenced_var_check_and_insert.
2150
2151         PR debug/39372
2152         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
2153         (gen_variable_die): Emit DW_AT_location on abstract static variable's
2154         DIE, don't emit it if abstract origin already has it.
2155         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
2156         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
2157
2158 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
2159
2160         * genpreds.c (needs_variable): Fix parentheses at variable name
2161         detection.
2162         (write_tm_constrs_h): Indent generated code.
2163
2164 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2165
2166         * doc/extend.texi (Function Attributes): Add documentation
2167         for isr attributes.
2168
2169 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
2170
2171         PR debug/39387
2172         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
2173         take locus from its DECL_SOURCE_LOCATION instead of input_location.
2174
2175 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
2176
2177         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
2178         the loop as bad.
2179
2180 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
2181
2182         PR debug/39379
2183         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
2184         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
2185
2186 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
2187
2188         * config/i386/i386.md (R8_REG, R9_REG): New constants.
2189         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
2190         constants instead of magic numbers.
2191         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
2192         (QI_REG_P): Ditto.
2193         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
2194         (x86_64_ms_abi_int_parameter_registers): Ditto.
2195         (x86_64_int_return_registers): Ditto.
2196         (ix86_maybe_switch_abi): Ditto.
2197         (ix86_expand_call): Ditto for clobbered_registers array.
2198         (ix86_hard_regno_mode_ok): Ditto.
2199         (x86_extended_QIreg_mentioned_p): Ditto.
2200
2201 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
2202
2203         PR tree-optimization/39349
2204         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
2205
2206         * combine.c (gen_lowpart_for_combine): Use omode when generating
2207         clobber.
2208
2209 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
2210
2211         PR rtl-optimization/39235
2212         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
2213
2214 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
2215
2216         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
2217
2218 2009-03-04  Richard Guenther  <rguenther@suse.de>
2219
2220         PR tree-optimization/39362
2221         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
2222         that occur in abnormal PHIs should be varying.
2223
2224 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
2225
2226         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
2227         Extend comments.
2228         (simple_iv):  Take loop as an argument instead of statement.
2229         * tree-scalar-evolution.h (simple_iv): Declaration changed.
2230         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
2231         to simple_iv.
2232         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
2233         Ditto.
2234         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
2235         * matrix-reorg.c (analyze_transpose): Ditto.
2236         * tree-data-ref.c (dr_analyze_innermost): Ditto.
2237         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
2238         * tree-predcom.c (ref_at_iteration): Ditto.
2239         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
2240
2241 2009-03-04  Richard Guenther  <rguenther@suse.de>
2242
2243         PR tree-optimization/39358
2244         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
2245         escaped_id and callused_id.
2246         (solve_graph): Likewise.
2247
2248 2009-03-04  Richard Guenther  <rguenther@suse.de>
2249
2250         PR tree-optimization/39339
2251         * tree-sra.c (try_instantiate_multiple_fields): Make it
2252         no longer ICE on the above.
2253
2254 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
2255
2256         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
2257         that fits within Pmode.
2258
2259 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
2260
2261         PR middle-end/10109
2262         * tm.texi (LIBCALL_VALUE): Update description.
2263
2264 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
2265
2266         PR middle-end/34443
2267         * doc/extend.texi (section): Update description.
2268
2269 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
2270
2271         PR middle-end/39345
2272         * tree-inline.c (remapped_type): New.
2273         (can_be_nonlocal): Call remapped_type instead of remap_type.
2274
2275 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
2276
2277         PR fortran/39354
2278         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
2279         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
2280
2281 2009-03-03  Richard Guenther  <rguenther@suse.de>
2282
2283         PR middle-end/39272
2284         * tree.c (tree_nonartificial_location): New function.
2285         * tree.h (tree_nonartificial_location): Declare.
2286         * builtins.c (expand_builtin_memory_chk): Provide location
2287         of the call location for artificial function pieces.
2288         (maybe_emit_chk_warning): Likewise.
2289         (maybe_emit_sprintf_chk_warning): Likewise.
2290         (maybe_emit_free_warning): Likewise.
2291         * expr.c (expand_expr_real_1): Likewise.
2292
2293 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
2294
2295         PR tree-optimization/39343
2296         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
2297         COMPONENT_REF t has ARRAY_TYPE.
2298
2299 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2300
2301         PR middle-end/39335
2302         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
2303         when the type precision of the induction variable should be
2304         larger than the type precision of nit.
2305         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
2306         * graphite.c (graphite_loop_normal_form): Same.
2307         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
2308
2309 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
2310
2311         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
2312         (*call_1_rex64_ms_sysv): Use named constants instead of magic
2313         numbers to describe clobbered registers.
2314         (*call_value_0_rex64_ms_sysv): Ditto.
2315         * config/i386/mmx.md (mmx_emms): Ditto.
2316         (mmx_femms): Ditto.
2317
2318 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
2319
2320         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
2321         of ABI_64.
2322
2323 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2324
2325         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
2326         (spu_section_type_flags): New function.
2327
2328 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
2329
2330         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
2331         reg_class_contents of FLOAT_REGS into a temporary.
2332
2333 2009-03-02  Richard Guenther  <rguenther@suse.de>
2334             Ira Rosen  <irar@il.ibm.com>
2335
2336         PR tree-optimization/39318
2337         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
2338         information to the vectorized statement.
2339
2340 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
2341
2342         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
2343         variable.  Use defined names instead of magic constants for REX SSE
2344         registers.
2345
2346 2009-03-01  Richard Guenther  <rguenther@suse.de>
2347
2348         PR tree-optimization/39331
2349         * omp-low.c (lower_send_shared_vars): Do not receive new
2350         values for the reference of DECL_BY_REFERENCE parms or results.
2351
2352 2009-03-01  Jan Hubicka  <jh@suse.cz>
2353
2354         PR debug/39267
2355         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
2356         BLOCK_NONLOCALIZED_VAR): New macros.
2357         (tree_block): Add nonlocalized_vars.
2358         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
2359         gen_decl_die): Add origin argument.  Allow generation of die with
2360         origin at hand only.
2361         (gen_member_die, gen_type_die_with_usage, force_decl_die,
2362         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
2363         of gen_*.
2364         (gen_block_die): Fix checking for unused blocks.
2365         (process_scope_var): Break out from .... ; work with origins only.
2366         (decls_for_scope) ... here; process nonlocalized list.
2367         (dwarf2out_ignore_block): Look for nonlocalized vars.
2368         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
2369         vars.
2370         (dump_scope_block): Dump them.
2371         * tree-inline.c (remap_decls): Handle nonlocalized vars.
2372         (remap_block): Likewise.
2373         (can_be_nonlocal): New predicate.
2374         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
2375
2376 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2377
2378         * configure: Regenerate.
2379
2380 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2381
2382         * optc-gen.awk: No need to duplicate option flags twice.
2383         Reuse help texts for duplicate options which do not have any.
2384
2385         * gcc.c (display_help): Document --version.
2386
2387         * gcc.c (main): If print_help_list and verbose_flag, ensure
2388         driver output comes before subprocess output.
2389
2390         * optc-gen.awk: Assign all remaining fields to help string,
2391         space-separated, for multi-line help in *.opt.
2392
2393         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
2394         -Wno-pedantic-ms-format is for MinGW targets only.
2395
2396         * doc/options.texi (Option file format): Fix bad indentation,
2397         restoring dropped sentence.
2398
2399 2009-02-28  Jan Hubicka  <jh@suse.cz>
2400
2401         * tree-inline.c (tree_function_versioning): Output debug info.
2402
2403 2009-02-28  Jan Hubicka  <jh@suse.cz>
2404
2405         PR debug/39267
2406         * tree-inline.c (setup_one_parameter): Do not copy propagate
2407         arguments when not optimizing.
2408
2409 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
2410
2411         PR target/39327
2412         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
2413         (avx_addsubv4df3): Likewise.
2414         (*avx_addsubv4sf3): Likewise.
2415         (sse3_addsubv4sf3): Likewise.
2416         (*avx_addsubv2df3): Likewise.
2417         (sse3_addsubv2df3): Likewise.
2418         (avx_unpckhps256): Correct item selectors.
2419         (avx_unpcklps256): Likewise.
2420         (avx_unpckhpd256): Likewise.
2421         (avx_unpcklpd256): Likewise.
2422
2423 2009-02-28  Jan Hubicka  <jh@suse.cz>
2424
2425         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
2426         static vars.
2427         (copy_arguments_for_versioning): If var is declared don't declare it.
2428         (tree_function_versioning): First setup substitutions and then copy
2429         args.
2430
2431 2009-02-27  Jan Hubicka  <jh@suse.cz>
2432
2433         PR debug/39267
2434         * cgraph.h (varpool_output_debug_info): Remove.
2435         * cgraphunit.c (varpool_output_debug_info): Remove.
2436         * dwarf2out.c (deferred_locations_struct): New struct
2437         (deferred_locations): New type.
2438         (deferred_locations_list): New static var.
2439         (deffer_location): New function.
2440         (gen_variable_die): Use it.
2441         (decls_for_scope): Output info on local static vars.
2442         (dwarf2out_finish): Process deferred locations.
2443         * varpool.c (varpool_output_debug_info): Remove.
2444
2445 2009-02-27  Jan Hubicka  <jh@suse.cz>
2446
2447         PR debug/39267
2448         * tree.h (TREE_PROTECTED): Fix comment.
2449         (BLOCK_HANDLER_BLOCK): Remove.
2450         (struct tree_block): Remove handler_block add body_block.
2451         (inlined_function_outer_scope_p): New.
2452         (is_body_block): Remove.
2453         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
2454         * dwarf2out.c (is_inlined_entry_point): Remove.
2455         (add_high_low_attributes): Use inlined_function_outer_scope_p.
2456         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
2457         code.
2458         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
2459         * gimplify.c (gimplify_expr): Gimplify body blocks.
2460         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
2461         block with multiple subblocks.
2462         (dump_scope_block): Prettier output; dump more flags and info.
2463         (dump_scope_blocks): New.
2464         (remove_unused_locals): Use dump_scope_blocks.
2465         * tree-flow.h (dump_scope_blocks): Declare.
2466         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
2467         * stmt.c (is_body_block): Remove.
2468         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
2469         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
2470
2471 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2472
2473         PR middle-end/39308
2474         * graphite.c (graphite_loop_normal_form): Do not call
2475         number_of_iterations_exit from a gcc_assert.
2476
2477 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2478
2479         * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
2480         jumps if COND is NULL.
2481         (find_cond_jump): New function.
2482         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
2483         * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
2484
2485 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
2486
2487         * config/alpha/alpha.h (alpha_expand_mov): Return false if
2488         force_const_mem returns NULL_RTX.
2489
2490 2009-02-26  Jan Hubicka  <jh@suse.cz>
2491
2492         PR debug/39267
2493         * cgraph.h (varpool_output_debug_info): Remove.
2494         * cgraphunit.c (varpool_output_debug_info): Remove.
2495         * dwarf2out.c (deferred_locations_struct): New struct
2496         (deferred_locations): New type.
2497         (deferred_locations_list): New static var.
2498         (deffer_location): New function.
2499         (gen_variable_die): Use it.
2500         (decls_for_scope): Output info on local static vars.
2501         (dwarf2out_finish): Process deferred locations.
2502         * varpool.c (varpool_output_debug_info): Remove.
2503
2504 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
2505
2506         PR rtl-optimization/39241
2507         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
2508         to subreg_offset_representable_p.
2509
2510 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
2511
2512         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
2513         execute function prototype.  Get f and nregs from max_reg_num
2514         and get_insns.  Remove the first backward pass as it's dead,
2515         guard the forward pass by flag_expensive_optimizations.
2516         (rest_of_handle_regmove): Delete.
2517         (pass_regmove): Replace it with regmove_optimize.
2518
2519 2009-02-25  Martin Jambor  <mjambor@suse.cz>
2520
2521         PR tree-optimization/39259
2522         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
2523         calls_alloca function flags.
2524         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
2525         calls are detected.
2526
2527 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
2528
2529         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
2530         flags_set_1_rtx, flags_set_1_set): Delete.
2531         (regmove_optimize): Do not call mark_flags_life_zones.
2532
2533 2009-02-24  Julian Brown  <julian@codesourcery.com>
2534
2535         PR target/35965
2536         * config/arm/arm.c (require_pic_register): Only set
2537         cfun->machine->pic_reg once per function.
2538
2539 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
2540
2541         * doc/invoke.texi (Link Options): Document an easier way to pass
2542         options that take arguments to the GNU linker using -Xlinker and -Wl.
2543
2544 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
2545
2546         PR target/33785
2547         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
2548
2549 2009-02-24  Richard Guenther  <rguenther@suse.de>
2550
2551         PR debug/39285
2552         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
2553
2554 2009-02-24  Richard Guenther  <rguenther@suse.de>
2555             Zdenek Dvorak  <ook@ucw.cz>
2556
2557         PR tree-optimization/39233
2558         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
2559         from converting them to a generic type.
2560
2561 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2562
2563         PR tree-optimization/39260
2564         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
2565         contains a condition with a real type.
2566         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
2567
2568 2009-02-23  Jason Merrill  <jason@redhat.com>
2569
2570         PR c++/38880
2571         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
2572         narrowing_initializer_constant_valid_p.
2573         (narrowing_initializer_constant_valid_p): Don't return
2574         null_pointer_node for adding a pointer to itself.
2575
2576 2009-02-23  Jan Hubicka  <jh@suse.cz>
2577
2578         PR c/12245
2579         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
2580         resizing.
2581
2582 2009-02-23  Jan Hubicka  <jh@suse.cz>
2583
2584         PR tree-optimization/37709
2585         * tree.c (block_ultimate_origin): Move here from dwarf2out.
2586         * tree.h (block_ultimate_origin): Declare.
2587         * dwarf2out.c (block_ultimate_origin): Move to tree.c
2588         * tree-ssa-live.c (remove_unused_scope_block_p):
2589         Eliminate blocks containig no instructions nor live variables nor
2590         nested blocks.
2591         (dump_scope_block): New function.
2592         (remove_unused_locals): Enable removal of dead blocks by default;
2593         enable dumping at TDF_DETAILS.
2594
2595 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
2596
2597         * config/i386/i386.c (classify_argument): Don't allow COImode
2598         and OImode.
2599         (function_arg_advance_32): Don't allow OImode.
2600         (function_arg_32): Likewise.
2601         (function_value_32): Likewise.
2602         (return_in_memory_32): Likewise.
2603         (function_arg_64): Remove OImode comment.
2604
2605 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
2606
2607         PR target/39261
2608         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
2609         ix86_expand_vector_set for V4DImode in 64bit mode only.
2610         (ix86_expand_vector_init_one_var): Likewise.
2611
2612 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
2613
2614         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
2615
2616 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
2617
2618         PR bootstrap/39257
2619         * loop-iv.c: Revert last change.
2620         * emit-rtl.c: Likewise.
2621
2622 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
2623
2624         PR target/39256
2625         * config/i386/i386.c (type_natural_mode): Remove an extra
2626         space in the warning message.
2627         (function_value_32): Handle 32-byte vector modes.
2628         (return_in_memory_32): Likewise.
2629
2630 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
2631
2632         * loop-iv.c (truncate_value): New function.
2633         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
2634         of lowpart_subreg.
2635         (lowpart_subreg): Move to...
2636         * emit-rtl.c: ...here.
2637
2638 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
2639
2640         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
2641         accidental and undocumented change at revision 140860.
2642
2643 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
2644
2645         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
2646         take gimple_seq * arguments.
2647         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
2648         types_compatible_p langhook.
2649
2650 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
2651             Joseph Myers  <joseph@codesourcery.com>
2652
2653         * config/arm/arm.c (arm_builtin_va_list): New function.
2654         (arm_expand_builtin_va_start): Likewise.
2655         (arm_gimplify_va_arg_expr): Likewise.
2656         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
2657         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
2658         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
2659         (va_list_type): New variable.
2660         (arm_mangle_type): Mangle va_list_type appropriately.
2661
2662 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
2663
2664         PR middle-end/39157
2665         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
2666         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
2667         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
2668         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
2669         parameter to 1000 for -O1 by default.
2670         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
2671         parameter.
2672         * loop-invariant.c: Include params.h.
2673         (move_loop_invariants): Don't call move_single_loop_invariants on
2674         very large loops.
2675
2676 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
2677
2678         * calls.c (emit_library_call_value_1): Use slot_offset instead of
2679         offset when calculating bounds for indexing stack_usage_map.  Fixes
2680         a buffer overflow with certain target setups.
2681
2682 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
2683
2684         PR target/39240
2685         * calls.c (expand_call): Clear try_tail_call if caller and callee
2686         disagree in promotion of function return value.
2687
2688 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
2689
2690         PR target/39175
2691         * c-common.c (c_determine_visibility): If visibility changed and
2692         DECL_RTL has been already set, call make_decl_rtl to update symbol
2693         flags.
2694
2695 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
2696
2697         PR c++/39188
2698         * varasm.c (assemble_variable): Don't check DECL_NAME when
2699         globalizing a variable.
2700
2701 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
2702
2703         PR c/38483
2704         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
2705         expression before any __builtin_trap call.
2706         * c-typeck.c (build_function_call): Convert and check function
2707         arguments before generating a call to a trap.  Evaluate the
2708         function arguments before the trap.
2709
2710 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
2711
2712         PR target/39228
2713         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
2714         (UNSPEC_FXAM_MEM): New unspec.
2715         (fxam<mode>2_i387_with_temp): New insn and split pattern.
2716         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
2717         memory using fxam<mode>2_i387_with_temp to remove excess precision.
2718
2719 2009-02-19  Richard Guenther  <rguenther@suse.de>
2720
2721         PR tree-optimization/39207
2722         PR tree-optimization/39074
2723         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
2724         storedanything_tree): New.
2725         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
2726         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
2727         (build_succ_graph): Add edges from STOREDANYTHING to all
2728         non-direct nodes.
2729         (init_base_vars): Initialize STOREDANYTHING.
2730         (compute_points_to_sets): Free substitution info after
2731         building the succ graph.
2732         (ipa_pta_execute): Likewise.
2733
2734         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
2735         field.
2736         (do_ds_constraint): Do not add to special var or non-pointer
2737         field solutions.
2738         (type_could_have_pointers): Split out from ...
2739         (could_have_pointers): ... here.  For arrays use the element type.
2740         (create_variable_info_for): Initialize may_have_pointers.
2741         (new_var_info): Likewise.
2742         (handle_lhs_call): Make the HEAP variable unknown-sized.
2743         (intra_create_variable_infos): Use a type with pointers for
2744         PARM_NOALIAS, make it unknown-sized.
2745
2746 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
2747
2748         PR target/39224
2749         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
2750
2751 2009-02-18  Jason Merrill  <jason@redhat.com>
2752
2753         PR target/39179
2754         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
2755         value if DECL_EXTERNAL.
2756         * tree-sra.c (sra_walk_gimple_assign): Likewise.
2757         * target.h (gcc_target::binds_local_p): Clarify "module".
2758         * tree.h (TREE_PUBLIC): Clarify "module".
2759
2760 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
2761
2762         PR target/38891
2763         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
2764         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
2765
2766 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
2767
2768         PR target/39082
2769         * c.opt (Wabi): Support C and ObjC.
2770         (Wpsabi): New.
2771
2772         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
2773
2774         * config/i386/i386.c (classify_argument): Warn once about the ABI
2775         change when passing union with long double.
2776
2777         * doc/invoke.texi: Update -Wabi for warning psABI changes.
2778
2779 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
2780
2781         PR c/35447
2782         * c-parser.c (c_parser_compound_statement): Always enter and leave
2783         a scope.
2784
2785 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2786
2787         PR target/34587
2788         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
2789
2790 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
2791
2792         PR tree-optimization/36922
2793         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
2794         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
2795         Likewise.
2796
2797 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
2798
2799         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
2800         to 0 for EABI64.
2801
2802 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
2803
2804         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
2805
2806 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
2807
2808         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
2809         tree sharing.
2810
2811 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
2812             Richard Sandiford  <rdsandiford@googlemail.com>
2813
2814         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
2815         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
2816         (loongson_biadd): ...this.
2817
2818 2009-02-17  Richard Guenther  <rguenther@suse.de>
2819
2820         PR tree-optimization/39202
2821         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
2822         a var make sure to follow existing collapses.
2823
2824 2009-02-17  Richard Guenther  <rguenther@suse.de>
2825
2826         PR middle-end/39214
2827         * langhooks.c (lhd_print_error_function): Check for NULL block.
2828
2829 2009-02-17  Richard Guenther  <rguenther@suse.de>
2830
2831         PR tree-optimization/39204
2832         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
2833         of the PHI arg.
2834
2835 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
2836
2837         * config/soft-fp/double.h: Update from glibc CVS.
2838
2839 2009-02-17  Richard Guenther  <rguenther@suse.de>
2840
2841         PR tree-optimization/39207
2842         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
2843         strict-aliasing warnings for pointers pointing to NULL.
2844
2845 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
2846
2847         PR c/35446
2848         * c-parser.c (c_parser_braced_init): Call pop_init_level when
2849         skipping until next close brace.
2850
2851 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
2852
2853         PR target/37049
2854         * config/i386/i386.c (ix86_expand_push): Set memory alignment
2855         to function argument boundary.
2856
2857 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
2858
2859         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
2860         in the lea_add. Reload eventually constraints it properly.
2861         * config/picochip/constraints.md : Remove the target constraint
2862         "b", since it is not needed anymore.
2863
2864 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
2865
2866         * gthr-dce.h: Uglify function parameter and local variable names.
2867         * gthr-gnat.h: Likewise.
2868         * gthr-mipssde.h: Likewise.
2869         * gthr-nks.h: Likewise.
2870         * gthr-posix95.h: Likewise.
2871         * gthr-posix.h: Likewise.
2872         * gthr-rtems.h: Likewise.
2873         * gthr-single.h: Likewise.
2874         * gthr-solaris.h: Likewise.
2875         * gthr-tpf.h: Likewise.
2876         * gthr-vxworks.h: Likewise.
2877         * gthr-win32.h: Likewise.
2878
2879 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
2880
2881         PR target/39196
2882         * config/i386/i386.md: Restrict the new peephole2 to move
2883         between MMX/SSE registers.
2884
2885 2009-02-15  Richard Guenther  <rguenther@suse.de>
2886
2887         Revert
2888         2009-02-13  Richard Guenther  <rguenther@suse.de>
2889
2890         * configure.ac: Enable LFS.
2891         * configure: Re-generate.
2892         * config.in: Likewise.
2893
2894 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2895
2896         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
2897         spu_srqwbyte, spu_srqwbytebc): Define.
2898         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
2899         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
2900         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
2901         "shrqby_<mode>"): New insn-and-split patterns.
2902         * config/spu/spu.c (expand_builtin_args): Determine and return
2903         number of operands using spu_builtin_description data.
2904         (spu_expand_builtin_1): Use it.
2905
2906 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
2907
2908         PR target/38056
2909         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
2910         TARGET_CONST_GP.
2911
2912 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
2913
2914         PR target/39149
2915         * config/i386/i386.c (override_options): Correct warning
2916         messages for -malign-loops, -malign-jumps and -malign-functions.
2917
2918 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
2919
2920         PR target/39152
2921         * config/i386/i386.md: Restrict the new peephole2 to move
2922         between the general purpose registers.
2923
2924 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
2925
2926         PR target/39162
2927         * config/i386/i386.c (type_natural_mode): Add a new argument.
2928         Return the original mode and warn ABI change if vector size is 32byte.
2929         (function_arg_advance): Updated.
2930         (function_arg): Likewise.
2931         (ix86_function_value): Likewise.
2932         (ix86_return_in_memory): Likewise.
2933         (ix86_sol10_return_in_memory): Likewise.
2934         (ix86_gimplify_va_arg): Likewise.
2935         (function_arg_32): Don't warn ABX ABI change here.
2936         (function_arg_64): Likewise.
2937
2938 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
2939
2940         * loop-iv.c (implies_p): In the final case, test that operands 0
2941         of the two comparisons match.
2942
2943         * config/bfin/bfin.c (find_prev_insn_start): New function.
2944         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
2945         (find_next_insn_start): Move.
2946
2947 2009-02-13  Richard Guenther  <rguenther@suse.de>
2948
2949         * configure.ac: Enable LFS.
2950         * configure: Re-generate.
2951         * config.in: Likewise.
2952
2953 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
2954
2955         PR c/35444
2956         * c-parser.c (c_parser_parms_list_declarator): Discard pending
2957         sizes on syntax error after some arguments have been parsed.
2958
2959 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
2960
2961         * doc/invoke.texi (-fira): Remove.
2962
2963 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
2964
2965         * caller-save.c: Replace regclass.c with reginfo.c in comments.
2966         * recog.c: Likewise.
2967         * rtl.h: Likewise.
2968
2969 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
2970
2971         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
2972         (umul_ppmm): Likewise.
2973         (count_leading_zeros): Likewise.
2974         (count_trailing_zeros): Likewise.
2975         (UMUL_TIME): Likewise.
2976
2977 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
2978
2979         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
2980         soft-fp/t-softfp to tmake_file.
2981
2982         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
2983         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
2984         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
2985         IA64_BUILTIN_INFQ]: New.
2986         (ia64_init_builtins): Initialize __builtin_infq,
2987         __builtin_fabsq and __builtin_copysignq if not HPUX.
2988         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
2989         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
2990
2991         * config/ia64/lib1funcs.asm (__divtf3): Define only if
2992         SHARED is defined.
2993         (__fixtfti): Likewise.
2994         (__fixunstfti): Likewise.
2995         (__floattitf): Likewise.
2996
2997         * config/ia64/libgcc-glibc.ver: New.
2998         * config/ia64/t-fprules-softfp: Likewise.
2999         * config/ia64/sfp-machine.h: Likewise.
3000
3001         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
3002         (LIBGCC2_TF_CEXT): Likewise.
3003         (TF_SIZE): Likewise.
3004         (TARGET_INIT_LIBFUNCS): Likewise.
3005
3006         * config/ia64/t-glibc (SHLINB_MAPFILES):
3007         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
3008
3009 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
3010
3011         * config/i386/i386.c (construct_container): Rewrite processing
3012         BLKmode with X86_64_SSE_CLASS.
3013
3014 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
3015
3016         PR target/39152
3017         * config/i386/i386.md: Replace simplify_replace_rtx with
3018         replace_rtx in the new peephole2.
3019
3020 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
3021
3022         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
3023         loop unrolling do not happen at -O2.
3024
3025 2009-02-12  Michael Matz  <matz@suse.de>
3026
3027         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
3028
3029 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
3030
3031         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
3032         for -g3.
3033
3034 2009-02-12  Ben Elliston  <bje@au.ibm.com>
3035
3036         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
3037         patterns when updating the back chain.  Missed in the 2009-02-10
3038         change.
3039
3040 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
3041
3042         * doc/extend.texi (Decimal Floating Types): Update identifier of
3043         draft TR and list of missing support.
3044
3045 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
3046
3047         PR middle-end/39154
3048         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
3049         bit to variable length decl's flags, add it also to its
3050         pointer replacement variable.
3051
3052 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
3053             Jakub Jelinek  <jakub@redhat.com>
3054
3055         PR target/39118
3056         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
3057         (memory_blockage): New expander.
3058         (*memory_blockage): New insn pattern.
3059         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
3060         instead of general blockage at the end of function prologue when
3061         frame pointer is used to access red zone area.  Do not emit blockage
3062         when profiling, it is emitted in generic code.
3063         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
3064         function epilogue when frame pointer is used to access red zone area.
3065
3066 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
3067
3068         PR target/38824
3069         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
3070         by arithmetic with memory operands.
3071         * config/i386/predicates.md (commutative_operator): New.
3072
3073 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
3074
3075         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
3076         bulleted lists.
3077
3078 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
3079
3080         * alias.h (record_alias_subset): Declare.
3081         * alias.c (record_alias_subset): Make global.
3082
3083 2009-02-10  Nick Clifton  <nickc@redhat.com>
3084
3085         * tree-parloops.c: Change license to GPLv3.
3086         * ipa-struct-reorg.c: Change license to GPLv3.
3087         * ipa-struct-reorg.h: Change license to GPLv3.
3088
3089 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
3090
3091         PR c/39084
3092         * c-decl.c (start_struct): Return NULL on error.
3093
3094 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
3095
3096         PR middle-end/39124
3097         * cfgloopmanip.c (remove_path): Call remove_bbs after
3098         cancel_loop_tree, not before it.
3099
3100         PR target/39139
3101         * function.h (struct function): Add has_local_explicit_reg_vars bit.
3102         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
3103         VAR_DECLs were seen.
3104         * tree-ssa-live.c (remove_unused_locals): Recompute
3105         cfun->has_local_explicit_reg_vars.
3106         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
3107         copies or clearings if cfun->has_local_explicit_reg_vars.
3108
3109 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
3110
3111         PR target/39118
3112         * config/i386/i386.c (expand_prologue): Emit blockage at the end
3113         of function prologue when frame pointer is used to access
3114         red zone area.
3115
3116 2009-02-10  Richard Guenther  <rguenther@suse.de>
3117
3118         PR middle-end/39127
3119         * gimplify.c (gimple_regimplify_operands): Always look if
3120         we need to create a temporary.
3121
3122 2009-02-10  Richard Guenther  <rguenther@suse.de>
3123
3124         PR tree-optimization/39132
3125         * tree-loop-distribution.c (todo): New global var.
3126         (generate_memset_zero): Trigger TODO_rebuild_alias.
3127         (tree_loop_distribution): Return todo.
3128
3129 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
3130
3131         PR target/39119
3132         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
3133         (x86_64_reg_class_name): Removed.
3134         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
3135         first one isn't X86_64_SSE_CLASS or any other ones aren't
3136         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
3137         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
3138         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
3139         and 3 X86_64_SSEUP_CLASS.
3140         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
3141         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
3142
3143 2009-02-10  Ben Elliston  <bje@au.ibm.com>
3144
3145         * config/rs6000/rs6000.md (allocate_stack): Always use an update
3146         form instruction to update the stack back chain word, even if the
3147         user has disabled the generation of update instructions.
3148         (movdi_<mode>_update_stack): New.
3149         (movsi_update_stack): Likewise.
3150         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
3151         always use an update form instruction to update the stack back
3152         chain word.
3153
3154 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
3155
3156         PR middle-end/38953
3157         * graphite.c (if_region_set_false_region): After moving a region in
3158         the false branch of a condition, remove the empty dummy basic block.
3159         (gloog): Remove wrong fix for PR38953.
3160
3161 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3162
3163         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
3164         generation due to implicit sign extension.
3165
3166 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
3167
3168         PR middle-end/38981
3169         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
3170         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
3171
3172 2009-02-09  Richard Guenther  <rguenther@suse.de>
3173
3174         PR middle-end/35202
3175         * convert.c (convert_to_real): Disable (float)fn((double)x)
3176         to fnf(x) conversion if errno differences may occur and
3177         -fmath-errno is set.
3178
3179 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
3180
3181         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
3182         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3183         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3184
3185 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
3186
3187         PR c/35434
3188         * c-common.c (handle_alias_attribute): Disallow attribute for
3189         anything not a FUNCTION_DECL or VAR_DECL.
3190
3191 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
3192
3193         PR c/39035
3194         * real.c (do_compare): Special-case compare of zero against
3195         decimal float value.
3196
3197 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
3198
3199         PR c/36432
3200         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
3201         as indicating flexible array members unless the field itself is
3202         being declarared as the incomplete array.
3203
3204 2009-02-06  Jan Hubicka  <jh@suse.cz>
3205
3206         PR tree-optimization/38844
3207         * ipa-inline.c (try_inline): Stop inlining recursion when edge
3208         is already inlined.
3209
3210 2009-02-06  Richard Guenther  <rguenther@suse.de>
3211
3212         PR middle-end/38977
3213         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
3214         fork because we may expand it as __gcov_fork.
3215
3216 2009-02-06  Nick Clifton  <nickc@redhat.com>
3217
3218         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
3219
3220 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
3221
3222         PR tree-optimization/35659
3223         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
3224         vn_phi_eq): Shortcut if hashcode does not match.
3225         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
3226         NULL operands.
3227         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
3228         and avoid iterative_hash_expr.
3229         (FOR_EACH_VALUE_ID_IN_SET): New.
3230         (value_id_compare): Remove.
3231         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
3232         sort expressions by value id.
3233
3234 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
3235
3236         PR target/38991
3237         * config/sh/predicates.md (general_movsrc_operand): Don't check
3238         the subreg of system registers here.
3239
3240 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
3241
3242         PR c++/39106
3243         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
3244         on the copied decl.
3245
3246 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
3247
3248         PR rtl-optimization/39110
3249         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
3250         addresses, not aligned ones.
3251
3252 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
3253             Richard Guenther  <rguenther@suse.de>
3254
3255         PR tree-optimization/39100
3256         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
3257         comment says and add edges.
3258
3259 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
3260
3261         PR c/35435
3262         * c-common.c (handle_tls_model_attribute): Ignore attribute for
3263         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
3264
3265 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>
3266
3267         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
3268         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
3269         register_bb_in_sese, new_sese, free_sese): Moved.
3270         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
3271         outermost_loop_in_scop, build_scop_iteration_domain,
3272         expand_scalar_variables_ssa_name, get_vdef_before_scop,
3273         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
3274         Use loop_in_sese_p instead of loop_in_scop_p.
3275         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
3276         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
3277         (scopdet_basic_block_info): Fix bug in scop detection.
3278         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
3279         eq_loop_to_cloog_loop): Remove.
3280         (nb_loops_around_loop_in_scop, nb_loop
3281         ref_nb_loops): Moved here...
3282         * graphite.h (ref_nb_loops): ... from here.
3283         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
3284         (loop_domain_dim, loop_iteration_vector_dim): Remove.
3285         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
3286         * testsuite/gcc.dg/graphite/scop-19.c: New
3287
3288 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
3289             Hans-Peter Nilsson  <hp@axis.com>
3290
3291         PR rtl-optimization/37889
3292         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
3293         Move offset handling from PLUS to before the switch.  Use new
3294         arguments when considering SYMBOL_REFs too.
3295         (rtx_addr_can_trap_p): Pass dummy offset and size.
3296         (enum may_trap_p_flags): Remove.
3297         (may_trap_p_1): Pass size from MEM_SIZE.
3298
3299         PR rtl-optimization/38921
3300         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
3301         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
3302         * rtlanal.c (may_trap_after_code_motion_p): Delete.
3303         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
3304
3305 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
3306
3307         AVX Programming Reference (January, 2009)
3308         * config/i386/sse.md (*vpclmulqdq): New.
3309
3310 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
3311
3312         PR tree-optimization/38977
3313         PR gcov-profile/38292
3314         * calls.c (special_function_p): Disregard __builtin_ prefix.
3315
3316 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
3317
3318         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
3319         non-indexable addresses even before reload.
3320
3321 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
3322
3323         PR c/29129
3324         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
3325         as having variable size.  Do not give an error for unnamed
3326         parameters with [*] declarators.  Give a warning for type names
3327         with [*] declarators and mark them as variable size.
3328         * c-parser.c (c_parser_sizeof_expression): Do not give an error
3329         for sizeof applied to [*] type names.
3330
3331 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3332
3333         PR C++/36607
3334         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
3335
3336 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
3337
3338         * gcc.c (process_command): Update copyright notice dates.
3339         * gcov.c (print_version): Likewise.
3340         * gcov-dump.c (print_version): Likewise.
3341         * mips-tfile.c (main): Likewise.
3342         * mips-tdump.c (main): Likewise.
3343
3344 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
3345
3346         PR c/35433
3347         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
3348         for composite type involving a zero-length array type.
3349
3350 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
3351
3352         PR target/35318
3353         * function.c (match_asm_constraints_1): Skip over
3354         initial optional % in the constraint.
3355
3356         PR inline-asm/39059
3357         * c-parser.c (c_parser_postfix_expression): If fixed point is not
3358         supported, don't accept FIXED_CSTs.
3359         * c-decl.c (finish_declspecs): Error if fixed point is not supported
3360         and _Sat is used without _Fract/_Accum.  Set specs->type to
3361         integer_type_node for cts_fract/cts_accum if fixed point is not
3362         supported.
3363
3364 2009-02-02  Catherine Moore  <clm@codesourcery.com>
3365
3366         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
3367
3368 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
3369
3370         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
3371         (ABI_HAS_64BIT_SYMBOLS): Use it.
3372         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
3373
3374 2009-02-02  Paul Brook  <paul@codesourcery.com>
3375
3376         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
3377
3378 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
3379
3380         PR inline-asm/39058
3381         * recog.h (asm_operand_ok): Add constraints argument.
3382         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
3383         recurse on matching constraint.
3384         (check_asm_operands): Pass constraints as 3rd argument to
3385         asm_operand_ok.  Don't look up matching constraint here.
3386         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
3387         to asm_operand_ok.
3388
3389 2009-02-02  Ben Elliston  <bje@au.ibm.com>
3390
3391         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
3392         TARGET_NARROW_VOLATILE_BITFIELD macro names.
3393
3394 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3395
3396         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
3397         information.  Remove some obsolete information.  Reorganize.
3398
3399         * config/pa/fptr.c: Revert license to GPL 2.
3400         * config/pa/milli64.S: Likewise.
3401
3402 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
3403
3404         PR target/38904
3405         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
3406         LIBRARY name in, instead of hard-coding it.
3407         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
3408         extra target make frag to tmake_files according to EH model.
3409         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
3410         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
3411         frags that define makefile variable EH_MODEL appropriately.
3412         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
3413         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
3414         to "-sjlj" according to type of EH configured.
3415         (LIBGCC_SONAME):  Concatenate it to shared library base name.
3416         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
3417         to "_sjlj" according to type of EH configured.
3418         (LIBGCC_SONAME):  Concatenate it to shared library base name.
3419         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
3420         (SHLIB_LINK):  Add missing semicolon to if-else construct.
3421         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
3422         string value of "pe_dll" command-line option.
3423         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
3424         (SHLIB_SONAME):  Use it when overriding t-cygming default.
3425         (SHLIB_IMPLIB):  Override t-cygming default.
3426         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
3427         string value of "pe_dll" command-line option.
3428
3429 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
3430
3431         PR target/38952
3432         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
3433         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
3434
3435 2009-01-31  Richard Guenther  <rguenther@suse.de>
3436
3437         PR tree-optimization/38937
3438         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
3439         computing the transitive closure.
3440
3441 2009-01-30  Richard Guenther  <rguenther@suse.de>
3442
3443         PR tree-optimization/39041
3444         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
3445         Propagate variable indices only if the types match for this stmt.
3446
3447 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
3448
3449         PR target/39013
3450         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
3451         inline but never defined.
3452
3453 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
3454
3455         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
3456         (*insv_h_di_reg_extimm): New insn.
3457         (*insv_l<mode>_reg_extimm): New insn.
3458
3459 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
3460
3461         * config/picochip/picochip.c (flag_conserve_stack): set
3462         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
3463         fconserve-stack. Reduce call-overhead used by inliner.
3464
3465 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
3466
3467         PR/38157
3468         * common.opt (flag_conserve_stack): Initialised to zero.
3469
3470 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
3471
3472         PR/39002
3473         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
3474         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
3475         method.
3476
3477 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
3478
3479         * ira-color.c (allocno_reload_assign): Update comments.
3480         * regmove.c (regmove_optimize): Likewise.
3481
3482         * ra.h: Removed.
3483
3484 2009-01-29  Robert Millan  <rmh@aybabtu.com>
3485
3486         * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
3487         * gcc/config/i386/kopensolaris-gnu.h: New file.  Undefine
3488         `MD_UNWIND_SUPPORT'.
3489         * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
3490
3491 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
3492
3493         PR tree-optimization/39007
3494         * tree-loop-distribution.c (generate_builtin): Use
3495         recompute_dominator to compute the immediate dominator of the
3496         basic block just after the loop.
3497
3498 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
3499
3500         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
3501         (ASM_OUTPUT_DWARF_PCREL): Define.
3502
3503 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
3504
3505         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
3506         * doc/passes.texi: Remove entries about regclass, local-alloc, and
3507         global.  Modify entries about regmove and IRA.
3508
3509         * ra-conflict.c: Remove the file.
3510
3511         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
3512
3513         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
3514         (pass_regclass_init): Rename to pass_reginfo_init.
3515
3516         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
3517
3518         * toplev.h (flag_ira): Remove.
3519
3520         * caller-save.c (setup_save_areas): Remove flag_ira.
3521
3522         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
3523
3524         * global.c: Remove the file.
3525
3526         * opts.c (decode_options): Remove flag_ira.
3527
3528         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
3529
3530         * regmove.c: Modify file description.
3531         (find_use_as_address, try_auto_increment): Define them only if
3532         AUTO_INC_DEC is defined.
3533         (replacement_quality, replace_in_call_usage, fixup_match_1,
3534         stable_and_no_regs_but_for_p): Remove.
3535         (reg_set_in_bb): Make it static.
3536         (regmove_optimize): Remove flag_ira and code which worked for
3537         !flag_ira.
3538
3539         * local-alloc.c: Remove the file.
3540
3541         * common.opt (fira): Remove.
3542
3543         * ira.c: Include except.h.
3544         (eliminable_regset): Move from global.c.
3545         (mark_elimination): Ditto.  Remove flag_ira.
3546         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
3547         equiv_mem_modified, validate_equiv_mem_from_store,
3548         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
3549         contains_replace_regs, memref_referenced_p, memref_used_between_p,
3550         no_equiv, recorded_label_ref): Move from local-alloc.c.
3551         (update_equiv_regs): Ditto.  Make it static.
3552         (print_insn_chain, print_insn_chains): Move it from global.c.
3553         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
3554         (build_insn_chain): Ditto.  Make it static.
3555         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
3556         Rename to init_live_subregs.
3557         (gate_ira): Remove flag_ira.
3558
3559         * regclass.c: Rename reginfo.c.  Change file description.
3560         (FORBIDDEN_INC_DEC_CLASSES): Remove.
3561         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
3562         (init_reg_sets_1): Remove code for evaluation of
3563         reg_class_superclasses and losing_caller_save_reg_set.
3564         (init_regs): Remove init_reg_autoinc.
3565         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
3566         ok_for_base_p_nonstrict): Remove.
3567         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
3568         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
3569         corresponding entries.
3570         (dump_regclass, record_operand_costs, scan_one_insn,
3571         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
3572         record_address_regs, auto_inc_dec_reg_p): Remove.
3573         (gt-regclass.h): Rename to gt-reginfo.h.
3574
3575         * rtl.h (dump_global_regs, retry_global_alloc,
3576         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
3577
3578         * Makefile.in (RA_H): Remove.
3579         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
3580         Rename regclass.o to reginfo.o.
3581         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
3582         gt-reginfo.h.
3583         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
3584         (GTFILES): Rename regclass.c to reginfo.c.
3585
3586         * passes.c (init_optimization_passes): Remove pass_local_alloc and
3587         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
3588
3589         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
3590         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
3591         Remove flag_ira.
3592         (finish_spills): Ditto.  Remove code for !flag_ira.
3593
3594 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
3595
3596         PR middle-end/35854
3597         * doc/invoke.texi (rtl debug options): Complete rewrite.
3598         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
3599         to auto_inc_dec".
3600         * mode-switching.c (pass_mode_switching): Rename pass from
3601         "mode-sw" to "mode_sw".
3602         * except.c (pass_convert_to_eh_ranges): Rename pass from
3603         "eh-ranges" to "eh_ranges".
3604         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
3605         to "subreg1".
3606
3607
3608 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
3609             Alexander Monakov  <amonakov@ispras.ru>
3610
3611         PR middle-end/38857
3612         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
3613         register.
3614         (move_exprs_to_boundary): Change return type and pass through
3615         should_move from move_op.  Relax assert.  Update usage ...
3616         (schedule_expr_on_boundary): ... here.  Use should_move instead of
3617         cant_move.
3618         (move_op_orig_expr_found): Indicate that insn was disconnected from
3619         stream.
3620         (code_motion_process_successors): Do not call after_merge_succs
3621         callback if original expression was not found when traversing any of
3622         the branches.
3623         (code_motion_path_driver): Change return type.  Update prototype.
3624         (move_op): Update comment.  Add a new parameter (should_move).  Update
3625         prototype.  Set *should_move based on indication provided by
3626         move_op_orig_expr_found.
3627
3628 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
3629
3630         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
3631         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
3632         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
3633         * config/rs6000/rs6000.c (rs6000_override_options): Default
3634         avoid-indexed-addresses on for Power6, off for everything else.
3635         (avoiding_indexed_address_p): New function.
3636         (rs6000_legitimize_address): Use it.
3637         (rs6000_legitimate_address): Likewise.
3638         * config/rs6000/rs6000.md (movXX_updateX): Likewise
3639
3640 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
3641
3642         PR tree-optimization/38997
3643         * tree-loop-distribution.c (generate_memset_zero): Use
3644         POINTER_PLUS_EXPR for a pointer addition.
3645
3646 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
3647
3648         * config/s390/s390.md (bswap<mode>2): New pattern added.
3649
3650 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
3651
3652         * config/s390/s390.md (*tls_load_31): Added type attribute.
3653
3654 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
3655
3656         * config/s390/s390.md: Fix a few comments.
3657
3658 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
3659
3660         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
3661         (*tm<mode>_full): Fixed z10prop attribute.
3662         (*tst<mode>_extimm): Fixed z10prop attribute.
3663         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
3664         (*tstqiCCT_cconly): Fixed z10prop attribute.
3665         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
3666         (*movsi_larl): Fixed z10prop attribute.
3667         (*movsi_zarch): Fixed z10prop attribute.
3668         (*movsi_eas): Fixed z10prop attribute.
3669         (*movhi): Fixed z10prop attribute.
3670         (*movqi): Fixed z10prop attribute.
3671         (*movstrictqi): Fixed z10prop attribute.
3672         (*mov<mode>): Fixed z10prop attribute.
3673         (*movcc): Fixed z10prop attribute.
3674         (*sethighpartdi_64): Fixed z10prop attribute.
3675         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
3676         (*negdi2_sign_cc): Fixed z10prop attribute.
3677         (*negdi2_sign): Fixed z10prop attribute.
3678         (*absdi2_sign_cc): Fixed z10prop attribute.
3679         (*absdi2_sign): Fixed z10prop attribute.
3680         (*negabsdi2_sign_cc): Fixed z10prop attribute.
3681         (*negabsdi2_sign): Fixed z10prop attribute.
3682         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
3683         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
3684         (doloop_si64): Fixed z10prop attribute.
3685         (doloop_si31): Fixed z10prop attribute.
3686         (doloop_long): Fixed z10prop attribute.
3687         (indirect_jump): Fixed z10prop attribute.
3688         (nop): Fixed z10prop attribute.
3689         (main_base_64): Fixed z10prop attribute.
3690         (reload_base_64): Fixed z10prop attribute.
3691
3692 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
3693
3694         PR rtl-optimization/38740
3695         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
3696         if !optimize.
3697         * config/mips/mips.c (mips_reorg): Likewise.
3698
3699 2009-01-28  Richard Guenther  <rguenther@suse.de>
3700
3701         PR tree-optimization/38926
3702         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
3703         with the correct value id to a value.
3704         (do_regular_insertion): Use the value number of edoubleprime
3705         for the value number of the expr.
3706
3707         Revert
3708         2008-08-21  Richard Guenther  <rguenther@suse.de>
3709
3710         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
3711         a PHI ask VN if it is already available.
3712         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
3713         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
3714
3715 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
3716
3717         PR middle-end/38934
3718         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
3719         set to varying whenever max has TREE_OVERFLOW set, similarly
3720         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
3721
3722 2009-01-28  Richard Guenther  <rguenther@suse.de>
3723
3724         PR middle-end/38908
3725         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
3726         uninitialized aggregate uses in call arguments.
3727
3728 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
3729
3730         PR tree-optimization/38984
3731         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
3732         the nothing_id variable if -fno-delete-null-pointer-checks.
3733
3734 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
3735
3736         PR target/38988
3737         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
3738         (set_got_offset_rex64): Ditto.
3739
3740 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
3741
3742         PR target/38941
3743         * doc/extend.texi: Improve local variable with asm reg.
3744
3745 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
3746
3747         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
3748         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
3749         was not supplied then set warn_packed_bitfield_compat to the
3750         default value of 1.
3751         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
3752         against 1.
3753
3754 2009-01-27  Richard Guenther  <rguenther@suse.de>
3755
3756         PR tree-optimization/38503
3757         * cfgexpand.c (expand_gimple_basic_block): Ignore
3758         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
3759         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
3760         variables that cannot have TBAA applied.
3761         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
3762         statements.
3763
3764 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
3765
3766         PR middle-end/38969
3767         * calls.c (initialize_argument_information): Do not wrap complex
3768         arguments in SAVE_EXPR.
3769
3770 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
3771
3772         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
3773         (INSTALL_LIBGCC): Revert typo commit.
3774
3775 2009-01-26  Richard Guenther  <rguenther@suse.de>
3776
3777         PR tree-optimization/38745
3778         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
3779         from special handling.
3780
3781 2009-01-26  Richard Guenther  <rguenther@suse.de>
3782
3783         PR tree-optimization/38745
3784         * tree-ssa.c (execute_update_addresses_taken): Do not include
3785         variables that cannot possibly be a register in not_reg_needs.
3786         Do not clear TREE_ADDRESSABLE on vars that may not become
3787         registers.
3788         * tree-ssa.c (update_alias_info_1): Include those in the set
3789         of addressable vars.
3790
3791 2009-01-26  Richard Guenther  <rguenther@suse.de>
3792
3793         PR middle-end/38851
3794         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
3795         * tree-ssa-dse.c: Include langhooks.h
3796         (execute_simple_dse): Remove stores with zero size.
3797
3798 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
3799
3800         PR c/38957
3801         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
3802         as PLUS_EXPR.
3803
3804 2009-01-24  Julian Brown  <julian@codesourcery.com>
3805
3806         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
3807         config/arm/linux-atomic.c.
3808         * config/arm/linux-atomic.c: New.
3809
3810 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
3811
3812         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
3813         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
3814         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
3815
3816 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
3817
3818         PR c/38938
3819         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
3820         properly.
3821
3822 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
3823
3824         PR tree-optimization/38953
3825         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
3826         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
3827         (gloog): Split the exit of the scop when the scop exit is a loop exit.
3828         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
3829         changed the CFG.
3830
3831 2009-01-24  Paul Brook  <paul@codesourcery.com>
3832
3833         * config/arm/neon.md (neon_type): Move to arm.md.
3834         (neon_mov<VSTRUCT>): Add neon_type attribute.
3835         * config/arm/arm.md (neon_type): Move to here.
3836         (conds): Add "unconditioal" and use as default for NEON insns.
3837
3838 2009-01-24  Ben Elliston  <bje@au.ibm.com>
3839
3840         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
3841         void *' warning from -Wc++-compat.
3842         * Makefile.in (dominance.o-warn): Remove.
3843
3844 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
3845
3846         PR tree-optimization/38932
3847         * fold-const.c (fold_unary_ignore_overflow): New.
3848         * tree.h (fold_unary_ignore_overflow): Declare.
3849         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
3850         * tree-ssa-sccvn.c (visit_reference_op_load,
3851         simplify_unary_expression): Likewise.
3852
3853 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
3854
3855         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
3856         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
3857         regardless of their type.
3858         * c-common.c (handle_packed_attribute): Don't ignore packed on
3859         bitfields.
3860         * c.opt (Wpacked-bitfield-compat): New warning option.
3861         * stor-layout.c (place_field): Warn if offset of a field changed.
3862         * doc/extend.texi (packed): Mention the ABI change.
3863         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
3864         (Warning Options): Add it to the list.
3865
3866 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
3867
3868         * c-opts.c (c_common_post_options): Fix a typo in comments.
3869
3870 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
3871
3872         PR middle-end/38615
3873         * gimplify.c (gimplify_init_constructor): Fix promotion of const
3874         variables to static.
3875         * doc/invoke.texi (-fmerge-all-constants): Update description.
3876
3877 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
3878
3879         PR target/38931
3880         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
3881         (*movdi_1_rex64): Use type "mmx" for alternative 5.
3882
3883 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
3884
3885         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
3886         a word boundary.
3887         (LOCAL_ALIGNMENT): Similarly.
3888
3889 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
3890             Joseph Myers  <joseph@codesourcery.com>
3891
3892         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
3893         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
3894         * config/arm/arm-tune.md: Regenerate.
3895         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
3896         -march=iwmmxt2.
3897
3898 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
3899
3900         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
3901         version number to five.
3902
3903 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
3904
3905         PR c++/38930
3906         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
3907         * c-common.c (set_underlying_type): Likewise.
3908         (is_typedef_decl ): Likewise
3909         * tree.h: Likewise
3910         (set_underlying_type): Likewise.
3911         (is_typedef_type): Likewise.
3912
3913 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
3914
3915         PR middle-end/38587
3916         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
3917         crossing setjmps.
3918
3919 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
3920
3921         PR bootstrap/37660
3922         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
3923         (LIBGCC_SPEC):  Don't define.
3924         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
3925
3926 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
3927
3928         PR rtl-optimization/38879
3929         * alias.c (base_alias_check): Unaligned access via AND address can
3930         alias all surrounding object types except those with sizes equal
3931         or wider than the size of unaligned access.
3932
3933 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
3934
3935         PR c++/26693
3936         * c-decl.c (clone_underlying_type): Move this ...
3937         * c-common.c (set_underlying_type): ... here.
3938         Also, make sure the function properly sets TYPE_STUB_DECL() on
3939         the newly created typedef variant type.
3940         (is_typedef_decl ): New entry point.
3941         * tree.h: Added a new member member_types_needing_access_check to
3942         struct tree_decl_non_common.
3943         (set_underlying_type): New entry point.
3944         (is_typedef_type): Likewise.
3945
3946 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
3947
3948         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
3949         Check whether two instructions have memory references that
3950         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
3951         are helper functions for traversing.
3952         * alias.h (insn_alias_sets_confilict_p): New prototypes.
3953         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
3954         not to draw dependency edge for instructions with non-conflicting
3955         alias sets.
3956
3957 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
3958
3959         PR other/38758
3960         * longlong.h: Update copyright years.  Use soft-fp license notice.
3961         Sync __clz_tab declaration with glibc.
3962
3963 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
3964
3965         PR target/30687
3966         * doc/extend.texi (syscall_linkage): New.
3967         (version_id): Modify.
3968
3969 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3970             Richard Guenther  <rguenther@suse.de>
3971
3972         PR tree-optimization/38747
3973         PR tree-optimization/38748
3974         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
3975         conversion if the base address is an indirect reference and the
3976         aliasing sets could cause issues.
3977
3978 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
3979
3980         * common.opt (fgraphite, fgraphite-identity): Add comment for
3981         explaining why these options are not documented.
3982
3983 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
3984
3985         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
3986         gimple_call_lhs is NULL.
3987
3988 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
3989
3990         PR target/38868
3991         * emit-rtl.c (adjust_address_1): Make sure memref is never
3992         overwritten.
3993
3994 2009-01-20  Ben Elliston  <bje@au.ibm.com>
3995
3996         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
3997         const qualifier from arg parameter. Remove unnecessary cast to char *.
3998         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
3999         const qualifier from arg 2.
4000
4001 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
4002
4003         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
4004
4005 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
4006
4007         PR c/38869
4008         * rtl.h (reinit_regs): New prototype.
4009         * regclass.c: Include ira.h.
4010         (reinit_regs): New.
4011         * Makefile.in (regclass.o): Add ira.h.
4012         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
4013
4014 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
4015
4016         PR target/38736
4017         * c-common.c (handle_aligned_attribute): Use
4018         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
4019         default alignment value.
4020
4021         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
4022
4023         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
4024         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
4025
4026         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
4027         __BIGGEST_ALIGNMENT__.
4028
4029         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
4030
4031 2009-01-18  Richard Guenther  <rguenther@suse.de>
4032
4033         PR tree-optimization/38819
4034         * tree-flow.h (operation_could_trap_helper_p): Declare.
4035         * tree-eh.c (operation_could_trap_helper_p): Export.
4036         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
4037         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
4038         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
4039         are about to insert a possibly trapping instruction and fail
4040         in this case.
4041
4042 2009-01-18  Andreas Schwab  <schwab@suse.de>
4043
4044         * doc/install.texi (Configuration): Remove obsolete paragraph
4045         about use of --with-gnu-ld with --with-gnu-as.
4046
4047 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
4048
4049         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
4050         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
4051         Follow spelling conventions.
4052
4053 2009-01-18  Ben Elliston  <bje@au.ibm.com>
4054
4055         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
4056         C++ warning about implicit conversion from void * to struct
4057         bitmap_head_def *.
4058         (bitmap_obstack_free): Likewise for bitmap_element *.
4059         * Makefile.in (bitmap.o-warn): Remove.
4060
4061 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
4062
4063         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
4064
4065 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
4066             Tobias Grosser  <tobi.grosser@amd.com>
4067
4068         * graphite.c (graphite_trans_scop_block): Do not block single
4069         nested loops.
4070
4071 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
4072
4073         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
4074         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
4075         test with assertion.
4076
4077 2009-01-16  Richard Guenther  <rguenther@suse.de>
4078
4079         PR tree-optimization/38835
4080         PR middle-end/36227
4081         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
4082         and INT + PTR -> (INT)(PTR p+ INT) folding.
4083         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
4084
4085 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
4086
4087         PR target/38554
4088         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
4089         the subreg from a lowpart subreg if it is also casting the value.
4090
4091 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4092             Tobias Grosser  <tobi.grosser@amd.com>
4093
4094         * graphite.c (compare_prefix_loops): New.
4095         (build_scop_canonical_schedules): Rewritten.
4096         (graphite_transform_loops): Move build_scop_canonical_schedules
4097         after build_scop_iteration_domain.
4098
4099 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4100             Tobias Grosser  <tobi.grosser@amd.com>
4101
4102         * graphite.c (add_conditions_to_domain): Add the loops to
4103         the dimension of the iteration domain.  Do copy the domain
4104         only when it exists.
4105         (build_scop_conditions_1): Do not call add_conditions_to_domain.
4106         (add_conditions_to_constraints): New.
4107         (can_generate_code_stmt, can_generate_code): Removed.
4108         (gloog): Do not call can_generate_code.
4109         (graphite_transform_loops): Call add_conditions_to_constraints
4110         after building the iteration domain.
4111
4112 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
4113
4114         PR tree-optimization/38789
4115         * tree-ssa-threadedge.c
4116         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
4117         __builtin_constant_p.
4118
4119 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
4120
4121         * dce.c (delete_unmarked_insns): Reversed the order that insns are
4122         examined before deleting them.
4123
4124 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
4125
4126         * function.c (aggregate_value_p): Correctly extract the function
4127         type from CALL_EXPR_FN lookup.
4128
4129 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
4130
4131         * config/picochip/picochip.c (picochip_override_options): Revert
4132         CFI asm flag disable commited previously.
4133
4134 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
4135             Tobias Grosser  <tobi.grosser@amd.com>
4136             Jan Sjodin  <jan.sjodin@amd.com>
4137
4138         * graphite.c (scan_tree_for_params): On substractions negate
4139         all the coefficients of the term.
4140         (clast_to_gcc_expression_red): New.  Handle reduction expressions
4141         of more than two operands.
4142         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
4143         (get_vdef_before_scop): Handle also the case of default definitions.
4144
4145 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
4146
4147         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
4148         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
4149         Also use them when walking CALL_INSN_FUNCTION_USAGE.
4150
4151 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
4152             Joey Ye  <joey.ye@intel.com>
4153
4154         PR middle-end/37843
4155         * cfgexpand.c (expand_stack_alignment): Don't update stack
4156         boundary nor check incoming stack boundary here.
4157         (gimple_expand_cfg): Update stack boundary and check incoming
4158         stack boundary here.
4159
4160 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
4161
4162         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
4163
4164 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
4165
4166         PR rtl-optimization/38245
4167         * calls.c (expand_call): Add stack arguments to
4168         CALL_INSN_FUNCTION_USAGE even for pure calls (when
4169         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
4170         in regs and partially in memory or BLKmode arguments.
4171         (emit_library_call_value_1): Add stack arguments to
4172         CALL_INSN_FUNCTION_USAGE even for pure calls (when
4173         ACCUMULATE_OUTGOING_ARGS).
4174         * dce.c: Include tm_p.h.
4175         (find_call_stack_args): New function.
4176         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
4177         argument.
4178         (mark_insn): Call find_call_stack_args for CALL_Ps.
4179         (prescan_insns_for_dce): Walk insns backwards in bb rather than
4180         forwards.  Allocate and free arg_stores bitmap if needed, pass it
4181         down to deletable_insn_p, don't mark stores set in arg_stores
4182         bitmap, clear the bitmap at the beginning of each bb.
4183         * Makefile.in (dce.o): Depend on $(TM_P_H).
4184
4185 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
4186
4187         PR target/22599
4188         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
4189         to make sure the insn is a conditional test (bug 22599).  Reformat a
4190         few long lines.
4191
4192 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
4193
4194         PR middle-end/38431
4195         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
4196         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
4197         (gloog): Do not call cleanup_tree_cfg.
4198         (graphite_transform_loops): Call cleanup_tree_cfg after all
4199         scops have been code generated.
4200
4201 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
4202         * doc/gty.texi (Invoking the garbage collector): Added new node
4203         and section documenting ggc_collect.
4204
4205 2009-01-14  Richard Guenther  <rguenther@suse.de>
4206
4207         PR tree-optimization/38826
4208         PR middle-end/38477
4209         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
4210         initialization notes only if we actually emitted a warning.
4211         (intra_create_variable_infos): Add constraints for a result decl
4212         that is passed by hidden reference.
4213         (build_pred_graph): Mark all related variables non-direct on
4214         address-taking.
4215
4216 2009-01-14  Nick Clifton  <nickc@redhat.com>
4217
4218         * ira-conflicts.c: Include addresses.h for the definition of
4219         base_reg_class.
4220         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
4221         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
4222
4223 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
4224
4225         PR target/38811
4226         * Makefile.in (ira-lives.o): Add except.h.
4227
4228         * ira-lives.c: Include except.h.
4229         (process_bb_node_lives): Process can_throw_internal.
4230
4231 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
4232
4233         PR rtl-optimization/38774
4234         * combine.c (simplify_set): When undoing cc_use change, don't do
4235         PUT_CODE on the newly created comparison, but instead put back the
4236         old comparison.
4237
4238 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
4239
4240         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
4241         values.  Remove duplicate arm8 entry.
4242
4243 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
4244
4245         PR tree-optimization/38786
4246         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
4247         the SSA_NAME case of expand_scalar_variables_expr.
4248         Set the type of an expression to the type of its assign statement.
4249         (expand_scalar_variables_expr): Also gather the scalar computation
4250         used to index the memory access.  Do not pass loop_p.
4251         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
4252         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
4253         the gimple_stmt_iterator where it inserts new code.
4254         Do not pass loop_p.
4255         (copy_bb_and_scalar_dependences): Do not pass loop_p.
4256         (translate_clast): Update call to copy_bb_and_scalar_dependences.
4257
4258 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
4259
4260         * graphite.h (debug_value): Removed.
4261         * graphite.c (debug_value): Removed.
4262
4263 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
4264
4265         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
4266         ldrd/strd with two 32-bit instructions.
4267
4268 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
4269
4270         * config/arm/arm.c (struct processors): Pass for speed down into
4271         cost helper functions.
4272         (const_ok_for_op): Handle COMPARE and inequality nodes.
4273         (arm_rtx_costs_1): Rewrite.
4274         (arm_size_rtx_costs): Update prototype.
4275         (arm_rtx_costs): Pass speed down to helper functions.
4276         (arm_slowmul_rtx_costs): Rework cost calculations.
4277         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
4278         (arm_9e_rtx_costs): Likewise.
4279
4280 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
4281
4282         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
4283         relocations of local symbols wider than UNITS_PER_WORD are not valid.
4284         (alpha_legitimize_address): Do not split local symbols wider than
4285         UNITS_PER_WORD into HIGH/LO_SUM parts.
4286
4287 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
4288
4289         PR bootstrap/38580
4290         * gcc.c (process_command): Replace call to execvp with calls
4291         to pex_one and exit.
4292
4293 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
4294
4295         PR target/29141
4296         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
4297         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
4298         variant for devices with 3-byte PC.
4299         (__tablejump_elpm__): New.
4300
4301 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
4302
4303         PR c/32041
4304         * c-parser.c (c_parser_postfix_expression): Allow `->' in
4305         offsetof member-designator, handle it as `[0].'.
4306
4307 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4308
4309         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
4310         function when not using named sections on targets with named sections
4311         if branch distance is less than 262132.
4312
4313 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
4314
4315         * combine.c (combine_instructions):  Recompute
4316         optimize_this_for_speed_p  for each BB in the main combine loop.
4317
4318 2009-01-12  Tomas Bily  <tbily@suse.cz>
4319
4320         PR middlend/38385
4321         * tree-loop-distribution.c (prop_phis): New function.
4322         (generate_builtin): Call prop_phis.
4323         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
4324
4325 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
4326
4327         PR tree-optimization/38807
4328         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
4329         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
4330
4331 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
4332
4333         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
4334         subreg of op0 to the original op0.
4335
4336 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
4337
4338         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
4339
4340 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
4341
4342         PR debug/7055
4343         * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
4344         starting with digits.
4345
4346 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
4347
4348         PR target/38695
4349         * config/arm/arm.c (arm_is_long_call_p): Don't call
4350         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
4351
4352 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
4353
4354         * regrename.c (regrename_optimize): Fix dumping.
4355         (find_oldest_value_reg): Preserve REG_POINTER.
4356         (copy_hardreg_forward_1): Likewise.
4357
4358 2009-01-09  Diego Novillo  <dnovillo@google.com>
4359
4360         * gimple.h (struct gimple_statement_base) <uid>: Document
4361         the restrictions on its use.
4362         (gimple_uid): Tidy.
4363         (gimple_set_uid): Tidy.
4364
4365 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
4366
4367         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
4368         zero guard even if align_bytes != 0 and count is smaller than
4369         size_needed.
4370
4371 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
4372
4373         PR rtl-optimization/38495
4374         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
4375         (add_range_and_copies_from_move_list): Print all added ranges.
4376         Add ranges to memory optimized destination.
4377
4378 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
4379
4380         PR target/38686
4381         PR target/38708
4382         * config/i386/i386.c (override_options): Reject
4383         -mstringop-strategy=rep_8byte with -m32.
4384         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
4385         to 1.  Do count comparison against epilogue_size_needed at compile
4386         time even when count_exp was constant forced into register.  For
4387         size_needed don't jump to epilogue, instead just avoid aligning
4388         and invoke the body algorithm.  If need_zero_guard, add zero guard
4389         even if count is non-zero, but smaller than size_needed + number of
4390         bytes that could be stored for alignment.
4391         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
4392         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
4393         but smaller than size_needed + number of bytes that could be stored
4394         for alignment.  Compare size_needed with epilogue_size_needed instead
4395         of desired_align - align, don't adjust size_needed, pass
4396         epilogue_size_needed to the epilogue expanders.
4397
4398         PR c/35742
4399         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
4400
4401 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4402
4403         * pa.c (last_address): Change to unsigned.
4404         (update_total_code_bytes): Change argument to unsigned.  Don't
4405         check if insn addresses are set.
4406         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
4407         addresses are not set.
4408         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
4409
4410 2009-01-09  Nick Clifton  <nickc@redhat.com>
4411
4412         * config/sh/symbian.c: Replace uses of DECL_INLINE with
4413         DECL_DECLARED_INLINE_P.
4414
4415 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
4416
4417         PR middle-end/38347
4418         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
4419         GET_MODE (op0) in operand_subword_force calls.
4420
4421         PR middle-end/38771
4422         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
4423         fold_convert arg0 operands to TREE_TYPE (op0) first.
4424
4425 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
4426
4427         * params.def (ira-max-conflict-table-size): Decrease default value
4428         to 1000.
4429
4430 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
4431
4432         PR tree-optimization/37031
4433         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
4434         on parameter_set.
4435         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
4436         allocate it using gc instead of heap, use VEC_quick_push instead of
4437         VEC_safe_push.
4438         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
4439         instead of heap, use VEC_quick_push instead of VEC_safe_push.
4440         * tree-data-ref.h (struct access_matrix): Change matrix to gc
4441         allocated vector from heap allocated.
4442         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
4443         * tree-loop-linear.c (linear_transform_loops): Allocate nest
4444         vector only after perfect_loop_nest_depth call.
4445
4446 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
4447             Jan Sjodin  <jan.sjodin@amd.com>
4448
4449         PR tree-optimization/38559
4450         * graphite.c (debug_value, copy_constraint,
4451         swap_constraint_variables, scale_constraint_variable, ): New.
4452         (get_lower_bound, get_upper_bound): Removed.
4453         (graphite_trans_bb_strip_mine): Clean up this code that works
4454         only for constant number of iterations.  Fully copy upper and
4455         lower bound constraints, not only the constant part of them.
4456         * graphite.h (debug_value): Declared.
4457
4458 2009-01-08  Ira Rosen  <irar@il.ibm.com>
4459
4460         PR tree-optimization/37194
4461         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
4462         Don't add the cost of cost model guard in prologue to scalar
4463         outside cost in case of known number of iterations.
4464
4465 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
4466             Alan Modra  <amodra@bigpond.net.au>
4467
4468         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
4469         non-word-aligned REG+CONST addressing.
4470
4471 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
4472
4473         PR target/38706
4474         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
4475         free_after_compilation when outputting a thunk.
4476         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
4477         Do not call free_after_compilation here.
4478
4479 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
4480
4481         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
4482         (ix86_valid_target_attribute_inner_p): Ditto.
4483
4484 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
4485
4486         PR tree-optimization/38492
4487         PR tree-optimization/38498
4488         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
4489         * tree-chrec.h (scev_is_linear_expression): Declared.
4490         * graphite.c (graphite_cannot_represent_loop_niter): New.
4491         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
4492         (graphite_loop_normal_form): Use gcc_assert.
4493         (scan_tree_for_params): Use CASE_CONVERT.
4494         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
4495         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
4496         Use gcc_assert.  Discard scops that contain unhandled cases.
4497         (build_scop_conditions): Return a boolean status for unhandled cases.
4498         (strip_mine_profitable_p): Print the loop number, not its depth.
4499         (is_interchange_valid): Pass the depth of the loop nest, don't
4500         recompute it wrongly.
4501         (graphite_trans_bb_block): Same.
4502         (graphite_trans_bb_block): Print tentative of loop blocking.
4503         (graphite_trans_scop_block): Do not print that the loop has been
4504         blocked.
4505         (graphite_transform_loops): Do not handle scops that contain condition
4506         scalar phi nodes.
4507
4508 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
4509
4510         AVX Programming Reference (December, 2008)
4511         * config/i386/avxintrin.h (_mm256_stream_si256): New.
4512         (_mm256_stream_pd): Likewise.
4513         (_mm256_stream_ps): Likewise.
4514
4515         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
4516         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
4517         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
4518         (bdesc_special_args): Add __builtin_ia32_movntdq256,
4519         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
4520         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
4521         (ix86_expand_special_args_builtin): Likewise.
4522
4523         * config/i386/sse.md (AVXMODEDI): New.
4524         (avx_movnt<mode>): Likewise.
4525         (avx_movnt<mode>): Likewise.
4526         (<sse>_movnt<mode>): Remove AVX support.
4527         (sse2_movntv2di): Likewise.
4528
4529 2009-01-07  Richard Guenther  <rguenther@suse.de>
4530
4531         PR middle-end/38751
4532         * fold-const.c (extract_muldiv): Remove obsolete comment.
4533         (fold_plusminus_mult_expr): Undo MINUS_EXPR
4534         to PLUS_EXPR canonicalization for the canonicalization.
4535
4536 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
4537
4538         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
4539         hosted cross-compilers generating less efficient code.
4540
4541 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
4542
4543         * function.h (rtl_data): Add a dbr_scheduled_p field.
4544         * reorg.c (dbr_schedule): Set it.
4545         (gate_handle_delay_slots): Check it.
4546         * config/mips/mips.c (mips_base_delayed_branch): Delete.
4547         (mips_reorg): Check flag_delayed_branch instead of
4548         mips_base_delayed_branch.
4549         (mips_override_options): Don't set mips_base_delayed_branch
4550         or flag_delayed_branch.
4551
4552 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
4553
4554         PR rtl-optimization/38426.
4555         * ira.c (ira): Set current_function_is_leaf earlier.
4556
4557 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
4558
4559         PR rtl-optimization/38722
4560         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
4561         too early, only set a flag and modify after last possible
4562         undo_all point.
4563
4564 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
4565
4566         PR c/34252
4567         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
4568         * real.c (decimal_single_format): Correct values of emin and emax.
4569         (decimal_double_format): Ditto.
4570         (decimal_quad_format): Ditto.
4571         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
4572         computation of DECnn_MIN and DECnn_MAX for corrected values of
4573         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
4574         __DECnn_MIN__, and adjust its computation for the corrected value
4575         of emin.
4576
4577 2009-01-06  Jan Hubicka  <jh@suse.cz>
4578
4579         PR target/38744
4580         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
4581
4582 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
4583
4584         * doc/contrib.texi (Contributors): Slightly adjust the end note.
4585         Add Robert Clark to the list of testers.
4586
4587 2009-01-06  Jan Hubicka  <jh@suse.cz>
4588             Kai Tietz  <kai.tietz@onevision.com>
4589
4590         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
4591         * config/i386/i386.c (ix86_expand_call): Add clobbers.
4592
4593 2009-01-06  Jan Hubicka  <jh@suse.cz>
4594             Kai Tietz  <kai.tietz@onevision.com>
4595
4596         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
4597         for w64 ABI.
4598         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
4599         (ix86_nsaved_regs): Count only general purpose regs.
4600         (ix86_nsaved_sseregs): New.
4601         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
4602         to 16 for w64; compute padding and size of sse reg save area.
4603         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
4604         general purpose regs.
4605         (ix86_emit_save_sse_regs_using_mov): New.
4606         (ix86_expand_prologue): Save SSE regs if needed.
4607         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
4608         (ix86_emit_restore_sse_regs_using_mov): New.
4609         (ix86_expand_epilogue): Save SSE regs if needed.
4610
4611 2009-01-06  Jan Hubicka  <jh@suse.cz>
4612             Kai Tietz  <kai.tietz@onevision.com>
4613
4614         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
4615         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
4616         functions when accumulate outgoing args is off.
4617
4618 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
4619
4620         PR bootstrap/38742
4621         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
4622         before using pseudos_have_intersected_live_ranges_p.
4623
4624         * ira-int.h (ira_assert): Always define.
4625
4626 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
4627
4628         AVX Programming Reference (December, 2008)
4629         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
4630         (_mm256_permute2_pd): Likewise.
4631         (_mm_permute2_ps): Likewise.
4632         (_mm256_permute2_ps): Likewise.
4633         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
4634         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
4635
4636         * config/i386/i386.c (ix86_builtins): Remove
4637         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
4638         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
4639         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
4640         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
4641         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
4642         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
4643         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
4644         __builtin_ia32_vpermil2ps256.
4645         (ix86_init_mmx_sse_builtins): Updated.
4646         (ix86_expand_args_builtin): Likewise.
4647
4648 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4649
4650         * pa.c (output_call): Relocate non-jump insns in the delay slot of
4651         long absolute calls when generating PA 2.0 code.
4652
4653 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
4654
4655         PR rtl-optimization/38583
4656         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
4657
4658         * params.def (ira-max-conflict-table-size): New.
4659
4660         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
4661
4662         * ira.h (ira_conflicts_p): New external definition.
4663
4664         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
4665         table.  Report this.  Return result of building.
4666         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
4667         building conflict table.
4668
4669         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
4670         (ira_color): Use ira_conflicts_p.
4671
4672         * global.c: Include ira.h.
4673         (pseudo_for_reload_consideration_p, build_insn_chain): Use
4674         ira_conflicts_p.
4675
4676         * Makefile.in (global.o): Add ira.h.
4677
4678         * ira-build.c (mark_all_loops_for_removal,
4679         propagate_some_info_from_allocno): New.
4680         (remove_unnecessary_allocnos): Call
4681         propagate_some_info_from_allocno.
4682         (remove_low_level_allocnos): New.
4683         (remove_unnecessary_regions): Add parameter.  Call
4684         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
4685         parameter to remove_unnecessary_regions.
4686         (ira_build): Remove all regions but root if the conflict table was
4687         not built.  Update conflict hard regs for allocnos crossing calls.
4688
4689         * ira.c (ira_conflicts_p): New global.
4690         (ira): Define and use ira_conflicts_p.
4691
4692         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
4693         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
4694         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
4695
4696 2009-01-06  Ben Elliston  <bje@au.ibm.com>
4697
4698         * gengtype-lex.l (YY_NO_INPUT): Define.
4699
4700 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4701
4702         PR c/34911
4703         * c-common.c (handle_vector_size_attribute): Also reject
4704         BOOLEAN_TYPE types.
4705
4706 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
4707
4708         PR tree-optimization/38492
4709         * graphite.c (rename_map_elt, debug_rename_elt,
4710         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
4711         rename_map_elt_info, eq_rename_map_elts,
4712         get_new_name_from_old_name, bb_in_sese_p): Moved around.
4713         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
4714         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
4715         (sese_build_livein_liveouts): New.
4716         (new_sese, free_sese): New.
4717         (new_scop): Call new_sese.
4718         (free_scop): Call free_sese.
4719         (rename_variables_from_edge, rename_phis_end_scop): Removed.
4720         (register_old_new_names): Renamed register_old_and_new_names.
4721         (register_scop_liveout_renames, add_loop_exit_phis,
4722         insert_loop_close_phis, struct igp,
4723         default_liveout_before_guard, add_guard_exit_phis,
4724         insert_guard_phis, copy_renames): New.
4725         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
4726         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
4727         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
4728         (scop_adjust_phis_for_liveouts): New.
4729         (gloog): Call scop_adjust_phis_for_liveouts.
4730
4731         * graphite.h (struct sese): Documented.  Added fields liveout,
4732         num_ver and livein.
4733         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
4734         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
4735         (struct scop): Added field liveout_renames.
4736         (SCOP_LIVEOUT_RENAMES): New.
4737
4738 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
4739
4740         PR tree-optimization/38510
4741         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
4742         (translate_clast): Call recompute_all_dominators before
4743         graphite_verify.
4744         (gloog): Call recompute_all_dominators before graphite_verify.
4745
4746 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
4747             Jan Sjodin  <jan.sjodin@amd.com>
4748
4749         PR tree-optimization/38500
4750         * graphite.c (create_sese_edges): Call fix_loop_structure after
4751         splitting blocks.
4752
4753 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
4754
4755         * config.gcc: Add m32r*-*-rtems*.
4756         * config/m32r/rtems.h: New file.
4757
4758 2009-01-05  Ben Elliston  <bje@au.ibm.com>
4759
4760         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
4761         (.po.pox): Likewise.
4762         (po/gcc.pot): Likewise.
4763
4764 2009-01-04  David S. Miller  <davem@davemloft.net>
4765
4766         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
4767         (STARTING_FRAME_OFFSET): Always set to zero.
4768
4769 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
4770
4771         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
4772         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
4773         fixed-point types, and vectors of the same.
4774
4775 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
4776
4777         * config/mips/sync.md (*mb_barrier): Rename to...
4778         (*memory_barrier): ...this.
4779
4780 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
4781
4782         * doc/extend.texi (Function Attributes): Move @cindex after @item
4783         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
4784         and put in alphabetical order. Fix 'target' name and put in order.
4785         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
4786         typos.
4787
4788 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
4789
4790         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
4791         (memory_barrier): Expand as unspec instead of unspec_volatile.
4792         Remove mem:BLK from insn operands.  Use Pmode scratch register.
4793         (*memory_barrier): Define as unspec instead of unspec_volatile.
4794         Use (match_dup 0) as input operand.
4795
4796         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
4797         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
4798         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
4799         scratch register.  Remove operand 1.
4800         (*stbar): Define as unspec instead of unspec_volatile.
4801         Use (match_dup 0) as input operand, remove (const_int 8).
4802         (*membar): Define as unspec instead of unspec_volatile.
4803         Use (match_dup 0) as input operand, remove input operand 2.
4804
4805         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
4806         (memory_barrier): Expand as unspec instead of unspec_volatile.
4807         Remove mem:BLK from insn operands.  Use Pmode scratch register.
4808         (*memory_barrier): Define as unspec instead of unspec_volatile.
4809         Use (match_dup 0) as input operand.
4810
4811         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
4812         Remove mem:BLK from insn operands.  Use Pmode scratch register.
4813         Set volatile flag on operand 0.
4814         (*memory_barrier): New insn pattern.
4815
4816         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
4817         insn operands.
4818         (*memory_barrier): Use (match_dup 0) as input operand.
4819
4820         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
4821         Remove mem:BLK from insn operands.  Use Pmode scratch register.
4822         Set volatile flag on operand 0.
4823         (*mb_internal): New insn pattern.
4824
4825         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
4826
4827 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
4828
4829         PR middle-end/38586
4830         * function.c (struct temp_slot): Move to the section of the file
4831         that deals with temp slots.  Remove field 'address'.
4832         (temp_slot_address_table): New hash table of address -> temp slot.
4833         (struct temp_slot_address_entry): New struct, items for the table.
4834         (temp_slot_address_compute_hash, temp_slot_address_hash,
4835         temp_slot_address_eq, insert_temp_slot_address): Support functions
4836         for the new table.
4837         (find_temp_slot_from_address): Rewrite to use the new hash table.
4838         (remove_unused_temp_slot_addresses): Remove addresses of temp
4839         slots that have been made available.
4840         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
4841         worker function for remove_unused_temp_slot_addresses.
4842         (assign_stack_temp_for_type): Don't clear the temp slot address list.
4843         Add the temp slot address to the address -> temp slot map.
4844         (update_temp_slot_address): Update via insert_temp_slot_address.
4845         (free_temp_slots): Call remove_unused_temp_slot_addresses.
4846         (pop_temp_slots): Likewise.
4847         (init_temp_slots): Allocate the address -> temp slot map, or empty
4848         the map if it is already allocated.
4849         (prepare_function_start): Initialize temp slot processing.
4850
4851 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
4852
4853         PR middle-end/38584
4854         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
4855         Calculate the size of all stack vars assuming no packing of stack
4856         vars will happen, replacing a quadratic algorithm with a linear one.
4857
4858 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
4859
4860         PR target/38707
4861         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
4862         can't be used.
4863
4864 2009-01-03  Diego Novillo  <dnovillo@google.com>
4865
4866         * doc/contrib.texi: Update contributions.
4867
4868 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
4869
4870         PR c++/38705
4871         * builtins.c (fold_builtin_memory_op): Give up if either operand
4872         is volatile.  Set srctype or desttype to non-qualified version
4873         of the other type.
4874
4875         PR c/38700
4876         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
4877         and FUNCTION_DECLs.
4878
4879 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
4880
4881         PR rtl-optimization/35805
4882         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
4883         problem if fast dce is able to remove any instructions.
4884         * dce.c (dce_process_block): Fix dump message.
4885
4886 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
4887
4888         PR 33649
4889         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
4890
4891 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
4892
4893         PR middle-end/38690
4894         * tree-flow.h (op_code_prio, op_prio): New prototypes.
4895         * tree-pretty-print.c (op_code_prio): New function.
4896         (op_prio): No longer static.  Use op_code_prio.
4897         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
4898         Use op_prio and op_code_prio to determine if () should be
4899         printed around operand(s) or not.
4900
4901         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
4902         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
4903         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
4904         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
4905         pp_character instead of pp_string for single letter printing.
4906
4907 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
4908
4909         * doc/extend.texi: Fix '#pragma GCC option' typo.
4910
4911 2009-01-02  Richard Guenther  <rguenther@suse.de>
4912
4913         * doc/install.texi (--enable-checking): Mention different
4914         default for stage1.
4915         (--enable-stage1-checking): Document.
4916
4917 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
4918
4919         PR middle-end/30142
4920         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
4921         case to be an error.
4922
4923 2009-01-02  Ben Elliston  <bje@au.ibm.com>
4924
4925         * config/fp-bit.h (pack_d): Constify argument.
4926         * config/fp-bit.c (makenan): Constify return type. Remove casts.
4927         (isnan): Constify argument.
4928         (isinf): Likewise.
4929         (iszero): Likewise.
4930         (pack_d): Likewise.
4931         (_fpadd_parts): Constify return type.
4932         (_fpmul_parts): Likewise.
4933         (_fpdiv_parts): Likewise.
4934
4935 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
4936
4937         PR c/36489
4938         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
4939         warn about overwriting initializer with side-effects or
4940         -Woverride-init if !IMPLICIT.
4941         (output_init_element): Likewise.  Pass IMPLICIT down to
4942         add_pending_init.
4943         (process_init_element): Add IMPLICIT argument.  Pass it down
4944         to output_init_element.
4945         (push_init_element, pop_init_level, set_designator): Adjust
4946         process_init_element callers.
4947         (set_nonincremental_init, set_nonincremental_init_from_string):
4948         Adjust add_pending_init callers.
4949         (output_pending_init_elements): Adjust output_init_element callers.
4950         * c-tree.h (process_init_element): Adjust prototype.
4951         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
4952         process_init_element callers.