gcc/ChangeLog

   1 2007-01-26  Peter Bergner  <bergner@vnet.ibm.com>
   2             Janis Johnson  <janis187@us.ibm.com>
   3
   4         PR target/34814
   5         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
   6         (TARGET_INSTANTIATE_DECLS): Likewise.
   7         * target.h (expand_to_rtl_hook): New target hook.
   8         (instantiate_decls): Likewise.
   9         * function.c (instantiate_decl): Make non-static.  Rename to...
  10         (instantiate_decl_rtl): ... this.
  11         (instantiate_expr): Use instantiate_decl_rtl.
  12         (instantiate_decls_1): Likewise.
  13         (instantiate_decls): Likewise.
  14         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
  15         * function.h (instantiate_decl_rtl): Add prototype.
  16         * cfgexpand.c (target.h): New include.
  17         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
  18         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
  19         (TARGET_INSTANTIATE_DECLS): Likewise.
  20         (TARGET_INITIALIZER): New target hooks added.
  21         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
  22         New prototype.
  23         * config/rs6000/rs6000.c (tree-flow.h): New include.
  24         (machine_function): Add sdmode_stack_slot field.
  25         (rs6000_alloc_sdmode_stack_slot): New function.
  26         (rs6000_instantiate_decls): Likewise.
  27         (rs6000_secondary_memory_needed_rtx): Likewise.
  28         (rs6000_check_sdmode): Likewise.
  29         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
  30         (TARGET_INSTANTIATE_DECLS): Likewise.
  31         (rs6000_hard_regno_mode_ok): Allow SDmode.
  32         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
  33         (rs6000_emit_move): Handle SDmode.
  34         (function_arg_advance): Likewise.
  35         (function_arg): Likewise.
  36         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
  37         SDmode var args for 32-bit compiles.
  38         (rs6000_secondary_reload_class): Handle SDmode.
  39         (rs6000_output_function_epilogue): Likewise.
  40         (rs6000_function_value): Simplify if statement.
  41         (rs6000_libcall_value): Likewise.
  42         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
  43         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
  44         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
  45         (movsd_hardfloat): New define_insn.
  46         (movsd_softfloat): Likewise.
  47         (movsd_store): Likewise.
  48         (movsd_load): Likewise.
  49         (extendsddd2): Likewise.
  50         (extendsdtd2): Likewise.
  51         (truncddsd2): Likewise.
  52         (movdd_hardfloat64): Fixup comment.
  53         (UNSPEC_MOVSD_LOAD): New constant.
  54         (UNSPEC_MOVSD_STORE): Likewise.
  55
  56 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
  57
  58         PR c++/34965
  59         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
  60         TRUTH_XOR_EXPR.
  61         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
  62         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
  63         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
  64         and TRUTH_XOR_EXPR.
  65
  66 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
  67
  68         PR target/34794
  69         * config.gcc: Separate AIX 5.3 from AIX 6.1.
  70         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
  71         __LONGDOUBLE128 too.
  72         * config/rs6000/aix61.h: New file.
  73
  74 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
  75
  76         PR rtl-optimization/34959
  77         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
  78         popcount and parity rtxes the same mode as their operand.
  79         Truncate or extend the result to the return value's mode
  80         if necessary.
  81
  82 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
  83
  84         PR target/34981
  85         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
  86         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
  87         to GOT_VERSION_REGNUM.
  88         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
  89         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
  90         * config/mips/mips.c (mips_emit_call_insn): New function.
  91         (mips_call_tls_get_addr): Call mips_expand_call directly.
  92         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
  93         emit_call_insn.
  94         (mips16_build_call_stub): Likewise.  Return the call insn or null.
  95         (mips_expand_call): Update the call to mips16_build_call_stub
  96         accordingly and a remove redundant condition.  Assert that MIPS16
  97         stubs do not use lazy binding.  Use mips_emit_call_insn and return
  98         the call insn.
  99         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
 100         TARGET_USE_GOT.
 101         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
 102         (mips_avoid_hazard): Remove hazard_set handling.
 103         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
 104         (UNSPEC_RESTORE_GP): ...this.
 105         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
 106         (FAKE_CALL_REGNO): Rename to...
 107         (GOT_VERSION_REGNUM): ...this.
 108         (type): Add "ghost" value.  Add an associated insn reservation.
 109         (hazard_set): Remove.
 110         (exception_receiver): Rename to...
 111         (restore_gp): ...this and update the unspec identifier accordingly.
 112         (exception_receiver, nonlocal_got_receiver): New expanders.
 113         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
 114         FAKE_CALL_REGNO.  Remove hazard_set attribute.
 115         (set_got_version, update_got_version): New patterns.
 116
 117 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
 118
 119         PR target/34970
 120         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
 121
 122 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
 123
 124         PR other/31955
 125         * doc/install.texi2html: Generate gcc-vers.texi.
 126
 127 2008-01-25  DJ Delorie  <dj@redhat.com>
 128
 129         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
 130
 131 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
 132
 133         * config/c4x: Remove directory.
 134         * config.gcc (crx-*, mt-*): Mark obsolete.
 135         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
 136         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
 137         sh-*-rtemscoff*): Remove cases.
 138         * defaults.h (C4X_FLOAT_FORMAT): Remove.
 139         * real.c (encode_c4x_single, decode_c4x_single,
 140         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
 141         c4x_extended_format): Remove.
 142         * real.h (c4x_single_format, c4x_extended_format): Remove.
 143         * doc/extend.texi (interrupt, naked): Remove mention of attributes
 144         on C4x.
 145         (Pragmas): Remove comment about c4x pragmas.
 146         * doc/install.texi (c4x): Remove target-specific instructions.
 147         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
 148         * doc/md.texi (Machine Constraints): Remove C4x documentation.
 149         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
 150         refer to C4x source files as examples.
 151         (C4X_FLOAT_FORMAT): Remove documentation.
 152
 153 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
 154
 155         * config/bfin/bfin.c (override_options): Reorder tests so that
 156         flag_pic gets enabled for -msep-data.
 157
 158 2008-01-25  Richard Guenther  <rguenther@suse.de>
 159
 160         PR middle-end/32244
 161         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
 162         to its bitfield precision if required.
 163
 164 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
 165
 166         PR middle-end/33880
 167         * tree-nested.c (walk_omp_for): New function.
 168         (convert_nonlocal_reference, convert_local_reference): Call
 169         walk_omp_for on OMP_FOR.
 170         (convert_call_expr): Call walk_body on OMP_FOR's
 171         OMP_FOR_PRE_INIT_BODY.
 172
 173 2008-01-25  Richard Guenther  <rguenther@suse.de>
 174
 175         PR tree-optimization/34966
 176         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
 177         default defs and PHI_NODEs we have to insert after the
 178         defining statement.
 179
 180 2008-01-24  Nick Clifton  <nickc@redhat.com>
 181
 182         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
 183         Provide a default definition.
 184         (LIBGCC2_UNITS_PER_WORD): Likewise.
 185
 186         * config/stormy16/stormy16.c: Include df.h for the prototype
 187         for df_regs_ever_live_p.
 188         (xstormy16_expand_builtin_va_start): Convert the stack offset
 189         into a component_ref and then use POINTER_PLUS_EXPR to add it
 190         to the incoming_virtual_args_rtx.
 191         (xstormy16_gimplify_va_arg_expr): Rename to
 192         xstormy16_gimplify_va_arg_expr.
 193         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
 194         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
 195         xstormy16_gimplify_va_arg_expr.
 196         Fix up some formatting issues.
 197
 198         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
 199         Move to predicates.md.
 200         (xs_hi_general_operand): Likewise.
 201         (xs_hi_nonmemory_operand): Likewise.
 202         * config/stormy16/predicates.md:
 203         (xstormy16_carry_plus_operand): New predicate.
 204         (xs_hi_general_operand): New predicate.
 205         (xs_hi_nonmemory_operand): New predicate.
 206         * config/stormy16/stormy16-protos.h:
 207         (xstormy16_carry_plus_operand): Delete prototype.
 208         (xs_hi_general_operand): Likewise.
 209         (xs_hi_nonmemory_operand): Likewise.
 210
 211         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
 212         modifiers as they are no longer needed and they can trigger
 213         reload spill failures.
 214
 215         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
 216         with a match_operand in order to help reload.
 217
 218         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
 219         constraint with 'e' for the 8th alternative as this version of
 220         the mov.w instruction only accepts the lower 8 registers.
 221
 222 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
 223
 224         PR target/34856
 225         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
 226         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
 227         vector elements.
 228
 229 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
 230
 231         PR middle-end/33333
 232         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
 233
 234 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
 235
 236         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
 237         New functions.
 238         (remove_structure): Update allocations list before removing structure.
 239
 240 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
 241
 242         * ipa-struct-reorg.c (is_safe_cond_expr,
 243         create_new_stmts_for_cond_expr): Use integer_zerop function,
 244         that recognize not only zero-pointer, but zero-integer too.
 245
 246 2008-01-25  Ben Elliston  <bje@au.ibm.com>
 247
 248         PR other/22232
 249         * fixproto: Escape "." in sed expression that strips leading "./".
 250
 251 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
 252
 253         PR driver/34904
 254         * gcc.c (SWITCH_OK): Removed.
 255         (SWITCH_LIVE): Changed to bit.
 256         (SWITCH_FALSE): Likewise.
 257         (SWITCH_IGNORE): Likewise.
 258         (switchstr): Change live_cond to unsigned int.
 259         (process_command): Replace SWITCH_OK with 0.
 260         (do_self_spec): Likewise.
 261         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
 262         (give_switch): Likewise.
 263         (used_arg): Likewise.
 264         (do_spec_1): Set the SWITCH_IGNORE bit.
 265         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
 266         bits.  Set the SWITCH_LIVE bit.
 267
 268 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
 269
 270         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
 271
 272 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
 273
 274         PR tree-optimization/34472
 275         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
 276         parameter to a "bool *" and set *DATA to false if there is
 277         an unsafe access.  Do not delete the structure here.
 278         (check_cond_exprs): Delete it here instead.
 279         (check_cond_exprs, exclude_cold_structs): Do not increase
 280         I when removing a structure.
 281
 282 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
 283
 284         PR target/34856
 285         * config/i386/i386.c (ix86_expand_vector_init): Consider only
 286         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
 287
 288 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
 289
 290         PR middle-end/34934
 291         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
 292         a fixed vector for stack.
 293
 294 2008-01-24  Ben Elliston  <bje@au.ibm.com>
 295
 296         PR c++/25701
 297         * doc/gcc.texi (Software development): Add a direntry for g++.
 298
 299 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
 300
 301         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
 302         stale and straggling -fforce-addr comments above.
 303
 304         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
 305         define.
 306         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
 307         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
 308
 309 2008-01-23  Michael Matz  <matz@suse.de>
 310
 311         PR debug/34895
 312         * dwarf2out.c (force_type_die): Use modified_type_die instead of
 313         gen_type_die.
 314
 315 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
 316
 317         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
 318         malloc result type.
 319
 320 2008-01-23 Anatoly Sokolov <aesok@post.ru>
 321
 322         * config/avr/avr.c (avr_current_arch): New variable.
 323         (avr_arch_types): Add 'avr31' and 'avr51' entries.
 324         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
 325         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
 326         (avr_override_options): Init 'avr_current_arch'.
 327         (base_arch_s): Move from here...
 328         * config/avr/avr.h (base_arch_s): ... here. Add new members
 329         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
 330         'mega' to 'have_jmp_call'.
 331         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
 332         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
 333         macros.
 334         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
 335         architectures.
 336         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
 337         MULTILIB_MATCHES): (Ditto.).
 338
 339 2008-01-23  Richard Guenther  <rguenther@suse.de>
 340
 341         PR middle-end/31529
 342         * cgraphunit.c (cgraph_reset_node): Always mark the node
 343         not reachable if it is not queued already.
 344
 345 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
 346
 347         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
 348         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
 349         (cputype_selected): New static variable.
 350         (bfin_handle_option): Set it if -mcpu is used.
 351         (override_option): Select default set of workarounds if no cpu type
 352         selected on the command line.
 353         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
 354
 355         From  Michael Frysinger  <michael.frysinger@analog.com>
 356         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
 357         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
 358
 359         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
 360         for bf547, bf523, bf524, and bf526.
 361         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
 362         bf526.
 363         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
 364         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
 365         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
 366         __ADSPBF547__ and __ADSPBF54x__ for bf547.
 367         * doc/invoke.texi (Blackfin Options): Document that
 368         -mcpu now accept bf547, bf523, bf524, and bf526.
 369
 370 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
 371
 372         PR rtl-optimization/34628
 373         * combine.c (try_combine): Stop and undo after the first combination
 374         if an autoincrement side-effect on the first insn has effectively
 375         been lost.
 376
 377 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
 378
 379         PR target/34529
 380         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
 381         Offset addresses are not valid for Altivec or paired float modes.
 382
 383 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
 384
 385         PR c++/34607
 386         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
 387         if DECL_INITIAL (decl) is error_mark_node.
 388
 389         PR c++/34914
 390         * c-common.c (handle_vector_size_attribute): Only allow
 391         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
 392         the same way as pointer, array etc. types.
 393         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
 394
 395         PR c++/34917
 396         * tree.c (build_type_attribute_qual_variant): Call
 397         build_qualified_type if attributes are equal, but quals are not.
 398
 399 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 400
 401         PR 32102
 402         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
 403         * flags.h (warn_strict_aliasing): Remove.
 404         (warn_strict_overflow): Remove.
 405         * opts.c (warn_strict_aliasing): Remove.
 406         (warn_strict_overflow): Remove.
 407         * c-opts.c (c_common_handle_option): -Wall only sets
 408         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
 409         (c_common_post_options): Give default values to -Wstrict-aliasing
 410         and -Wstrict-overflow if they are uninitialized.
 411         * common.opt (Wstrict-aliasing): Specify Var and Init.
 412         (Wstrict-overflow): Likewise.
 413
 414 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
 415
 416         PR rtl-optimization/26854
 417         PR rtl-optimization/34400
 418         PR rtl-optimization/34884
 419         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
 420         DF_RD->gen.
 421         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
 422         (df_rd_bb_info.expanded_lr_out): Deleted
 423         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
 424         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
 425         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
 426         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
 427         Removed code to allocate, initialize or free expanded_lr_out.
 428         (df_rd_bb_local_compute_process_def): Restructured to make more
 429         understandable.
 430         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
 431         sets if the sets are being trimmed.
 432
 433 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
 434
 435         PR bootstrap/32287
 436         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
 437         (as_vers): Likewise.
 438         * configure: Regenerated.
 439
 440 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 441
 442         PR middle-end/33092
 443         * tree-pass.h (pass_build_alias): New pass.
 444         * tree-ssa-alias.c (gate_build_alias): New.
 445         (pass_build_alias): New.
 446         * passes.c (init_optimization_passes): Add pass_build_alias after
 447         pass_create_structure_vars.
 448
 449 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
 450
 451         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
 452         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
 453         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
 454         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
 455         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
 456         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
 457         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
 458         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
 459         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
 460         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
 461         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
 462         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
 463         * config/s390/s390.md (FP_ALL): New mode iterator.
 464         (_d): New mode attribute.
 465         ("*signbit<mode>2>"): Changed mode of first operand.
 466         ("isinf<mode>2"): Changed mode of first operand.
 467         ("*TDC_insn"): Adaptation for DFP modes.
 468
 469 2008-01-22  Ben Elliston  <bje@au.ibm.com>
 470
 471         * tree.c (check_qualified_type): Improve function description.
 472
 473 2008-01-21  Jason Merrill  <jason@redhat.com>
 474
 475         PR c++/34196
 476         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
 477         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
 478         if it is set.
 479
 480 2008-01-21  DJ Delorie  <dj@redhat.com>
 481
 482         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
 483         return zero.
 484
 485 2008-01-21  Richard Guenther  <rguenther@suse.de>
 486
 487         PR middle-end/34856
 488         * tree-cfg.c (verify_expr): Allow all invariant expressions
 489         instead of just constant class ones as reference argument.
 490         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
 491         like any other constant.
 492         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
 493
 494 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
 495
 496         * regmove.c (fixup_match_1): Update call crossed frequencies.
 497
 498 2008-01-21  Richard Guenther  <rguenther@suse.de>
 499
 500         PR c/34885
 501         * tree-inline.c (setup_one_parameter): Deal with mismatched
 502         types using a VIEW_CONVERT_EXPR.
 503
 504 2008-01-21  Alon Dayan  <alond@il.ibm.com>
 505             Olga Golovanevsky  <olga@il.ibm.com>
 506
 507         PR tree-optimization/34701
 508         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
 509         when the structure size is not a power of 2.
 510
 511 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
 512
 513         * doc/install.texi: Add doc for --enable-checking=df.
 514
 515 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
 516
 517         PR rtl-optimization/34808
 518         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
 519
 520 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
 521
 522         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
 523         input.
 524
 525 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
 526
 527         PR rtl-optimization/26854
 528         PR rtl-optimization/34400
 529         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
 530         DF_RD->gen.
 531         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
 532         (df_rd_bb_info.expanded_lr_out): New.
 533         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
 534         * loop_iv.c (iv_analysis_loop_init): Ditto.
 535         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
 536         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
 537         Added code to allocate, initialize or free expanded_lr_out.
 538         (df_rd_bb_local_compute_process_def): Restructured to make
 539         more understandable.
 540         (df_rd_confluence_n): Add code to do nothing with fake edges and
 541         code to no apply invalidate_by_call sets if the sets are being trimmed.
 542         (df_lr_local_finalize): Renamed to df_lr_finalize.
 543         (df_live_local_finalize): Renamed to df_live_finalize.
 544
 545 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
 546
 547         PR target/34831
 548         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
 549         deciding whether to use reciprocal instructions.
 550
 551 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
 552
 553         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
 554         dwarf2out_note_section_used if cold_text_section is NULL.
 555
 556 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
 557
 558         PR gcov-profile/34610
 559         * tree-cfg.c (make_edges): Mark both outgoing edges from
 560         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
 561         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
 562         from OMP_FOR and OMP_CONTINUE outgoing edges.
 563
 564         * tree-profile.c (tree_profiling): Return early if
 565         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
 566         at the end.
 567         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
 568         from cfun to child_cfun.
 569         * function.h (struct function): Add after_tree_profile bit.
 570
 571 2008-01-19 Anatoly Sokolov <aesok@post.ru>
 572
 573         * config/avr/avr.S (_exit): Disable interrupt.
 574
 575 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
 576             Steven Bosscher  <stevenb.gcc@gmail.com>
 577
 578         PR rtl-optimization/26854
 579         PR rtl-optimization/34400
 580         * df-problems.c (df_live_scratch): New scratch bitmap.
 581         (df_live_alloc): Allocate df_live_scratch when doing df_live.
 582         (df_live_reset): Clear the proper bitmaps.
 583         (df_live_bb_local_compute): Only process the artificial defs once
 584         since the order is not important.
 585         (df_live_init): Init the df_live sets only with the variables
 586         found live by df_lr.
 587         (df_live_transfer_function): Use the df_lr sets to prune the
 588         df_live sets as they are being computed.
 589         (df_live_free): Free df_live_scratch.
 590
 591 2008-01-18  Ian Lance Taylor  <iant@google.com>
 592
 593         * common.opt: Add fmerge-debug-strings.
 594         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
 595         flag_merge_debug_strings rather than flag_merge_constants.
 596         * doc/invoke.texi (Option Summary): Mention
 597         -fmerge-debug-strings.
 598         (Debugging Options): Document -fmerge-debug-strings.
 599
 600 2008-01-18  Ian Lance Taylor  <iant@google.com>
 601
 602         PR c++/33407
 603         * tree.h (DECL_IS_OPERATOR_NEW): Define.
 604         (struct tree_function_decl): Add new field operator_new_flag.
 605         * tree-inline.c (expand_call_inline): When inlining a call to
 606         operator new, force the return value to go into a variable, and
 607         set DECL_NO_TBAA_P on that variable.
 608         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
 609
 610 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
 611
 612         PR debug/34484
 613         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
 614         DWARF2_DEBUGGING_INFO.
 615         (dwarf2out_note_section_used): Ditto.  Add prototype.
 616         (have_multiple_function_sections, text_section_used,
 617         cold_text_section_used, *cold_text_sections): Move declarations
 618         before their uses.
 619
 620 2007-01-17  Bob Wilson  <bob.wilson@acm.org>
 621
 622         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
 623         field and add signal_ra.
 624         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
 625         assignments to frame state pc.  Move end of stack check after
 626         MD_FALLBACK_FRAME_STATE_FOR.
 627         (uw_update_context_1): Use frame state signal_regs if set, instead
 628         of checking signal_frame flag.
 629         (uw_update_context): Use frame state signal_ra if set.
 630         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
 631         * config/xtensa/linux-unwind.h: New file.
 632
 633 2007-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
 634
 635         * modulo-sched.c (get_sched_window): Fix comment typo.
 636
 637 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
 638
 639         PR tree-optimization/34648
 640         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
 641
 642 2008-01-17  Anatoly Sokolov <aesok@post.ru>
 643
 644         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
 645         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
 646
 647 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
 648
 649         PR rtl-optimization/34400
 650         * df-core.c (df_worklist_dataflow_overeager,
 651         df_worklist_dataflow_doublequeue): New functions.
 652         (df_worklist_dataflow): Two different worklist solvers.
 653         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
 654         New param.
 655
 656 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
 657
 658         PR testsuite/34821
 659         * doc/invoke.texi: Document the dependence on pthread for fopenmp
 660         and ftree-parallelize-loops.
 661
 662 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
 663
 664         PR rtl-optimization/34826
 665         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
 666
 667 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
 668
 669         * global.c (find_reg): Mark the eh regs as used if necessary.
 670         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
 671         * ra.h (struct allocno): no_eh_reg field added.  Changed
 672         no_stack_reg type to bitfield.
 673
 674 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
 675
 676         * tree.c (substitute_in_expr): Add missing 'break'.
 677
 678 2008-01-17  Richard Guenther  <rguenther@suse.de>
 679
 680         PR tree-optimization/34825
 681         * tree-ssa-math-opts.c (is_division_by): Do not recognize
 682         x / x as division to handle.
 683
 684 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 685
 686         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
 687         "-pthread" is specified.
 688         * pa-hpux11.h (LIB_SPEC): Likewise.
 689
 690 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
 691             Peter Bergner  <bergner@vnet.ibm.com>
 692
 693         PR rtl-optimization/33796
 694         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
 695
 696 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 697
 698         PR libgfortran/34699
 699         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
 700         static links.
 701         * pa-hpux10.h (LINK_SPEC): Likewise.
 702         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
 703
 704 2008-01-16  Richard Guenther  <rguenther@suse.de>
 705
 706         PR middle-end/32628
 707         * fold-const.c (fold_convert_const_int_from_int): Do not
 708         set overflow if that occured only because of a sign extension
 709         change when converting from/to a sizetype with the same
 710         precision and signedness.
 711
 712 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
 713
 714         PR debug/34249
 715         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
 716         location address to the correct place.  Update copyright year.
 717
 718 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
 719
 720         * lambda-code.c (lambda_transform_legal_p): Handle the case of
 721         no dependences in the dependence_relations vector.
 722
 723 2008-01-16  Jan Hubicka  <jh@suse.cz>
 724
 725         PR rtl-optimization/31396
 726         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
 727         * cfg.c (dump_reg_info): Print it.
 728         * regs.h (struct reg_info_t): add freq_calls_crossed.
 729         (REG_FREQ_CALLS_CROSSED): New macro.
 730         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
 731         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
 732         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
 733         regmove_optimize): Update call crossed frequencies.
 734         * local-alloc.c (struct qty): Add freq_calls_crossed.
 735         (alloc_qty): Copute freq_calls_crossed.
 736         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
 737         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
 738         * ra.h (struct allocno): Add freq_calls_crossed.
 739
 740 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
 741
 742         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
 743         libgomp when compiling with ftree-parallelize-loops.
 744         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
 745
 746 2008-01-16  Richard Guenther  <rguenther@suse.de>
 747
 748         PR tree-optimization/34769
 749         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
 750         * tree.c (int_cst_value): Instead make this function more
 751         permissive in what it accepts as valid input.  Document this
 752         function always sign-extends the value.
 753
 754 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
 755             Richard Guenther  <rguenther@suse.de>
 756
 757         PR c/34668
 758         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
 759         (gimple_fold_indirect_ref_rhs): ... this.
 760         (gimple_fold_indirect_ref): New function with foldings
 761         that preserve lvalueness.
 762         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
 763         * tree-flow.h (gimple_fold_indirect_ref): Declare.
 764         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
 765         to fold an INDIRECT_REF, fall back to the old use of
 766         fold_indirect_ref_1.
 767
 768 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
 769
 770         * tree-data-ref.c (subscript_dependence_tester_1): Call
 771         free_conflict_function.
 772         (compute_self_dependence): Same.
 773
 774 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
 775
 776         PR debug/34249
 777         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
 778         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
 779         function global.
 780         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
 781         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
 782         for DWARF2_UNWIND_INFO targets.
 783
 784 2008-01-16  Richard Guenther  <rguenther@suse.de>
 785
 786         PR c/34768
 787         * c-typeck.c (common_pointer_type): Do not merge inconsistent
 788         type qualifiers for function types.
 789
 790 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 791
 792         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
 793         loop_iterator li from previous commit.
 794
 795 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
 796
 797         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
 798
 799 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
 800
 801         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
 802         (parallelize_loops): Don't parallelize irreducible components.
 803
 804 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 805
 806         PR c++/24924
 807         * c-opts (c_common_post_options): Do not enable CPP
 808         flag_pedantic_errors by default.
 809
 810 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
 811
 812         PR rtl-optimization/31944
 813         * cse.c (remove_pseudo_from_table): New function.
 814         (merge_equiv_classes): Use above function to remove pseudo-registers.
 815         (invalidate): Likewise.
 816
 817 2008-01-13  Richard Guenther  <rguenther@suse.de>
 818
 819         PR middle-end/34601
 820         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
 821         instead of TYPE_MODE to deal with calls from expand_one_error_var.
 822
 823 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
 824
 825         * gcse.c (cprop_jump): Call validate_unshare_change instead of
 826         validate_change to unshare the source of the PC set.
 827
 828 2008-01-12  Jan Hubicka  <jh@suse.cz>
 829
 830         PR middle-end/32135
 831         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
 832         references above array bounds.  This might trigger bounds checks for
 833         pointers to arrays.
 834
 835 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
 836
 837         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
 838         new_replaceable_dependencies.
 839
 840 2008-01-12  Doug Kwan  <dougkwan@google.com>
 841
 842         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
 843         instead of OPT_Wreturn_type in warning due to ignored return type
 844         qualifiers.
 845         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
 846         options included in -Wextra.
 847         * c.opt: New option -Wignored_qualifiers.
 848         * doc/invoke.texi (Warning Options, -Wextra): Add new option
 849         -Wignore_qualifiers.
 850         (-Wignored-qualifiers): Document.
 851         (-Wreturn-type): Remove description of functionality now handled
 852         by -Wignored-qualifiers.
 853
 854 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
 855
 856         PR ada/33788
 857         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
 858         NOP_EXPR if it is between integral types with the same precision.
 859
 860 2008-01-12  Jan Hubicka  <jh@suse.cz>
 861
 862         PR other/28023
 863         * invoke.texi (max-inline-recursive-depth): Fix default value.
 864
 865 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
 866
 867         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
 868         correct type.
 869
 870 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
 871
 872         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
 873
 874 2008-01-11  James E. Wilson  <wilson@specifix.com>
 875
 876         PR target/26015
 877         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
 878
 879 2008-01-11  Anatoly Sokolov <aesok@post.ru>
 880
 881         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
 882         save/restore frame pointer register and don't use 'call-prologues'
 883         optimization in function with "OS_task" attribute.
 884
 885 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
 886
 887         PR middle-end/31309
 888         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
 889         when copying to memory.
 890
 891 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
 892
 893         PR rtl-optimization/30905
 894         * cfgcleanup.c: Include dce.h
 895         (crossjumps_occured): New global variable.
 896         (try_crossjump_bb): Exit loop after finding a fallthru edge.
 897         If something changed, set crossjumps_occured to true.
 898         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
 899         Don't add/remove fake edges to exit here...
 900         (cleanup_cfg): ...but do it here, when crossjumping.
 901         Run a fast DCE when successful crossjumps occured in the latest
 902         iteration of try_optimize_cfg.
 903
 904 2008-01-11  Richard Guenther  <rguenther@suse.de>
 905
 906         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
 907         (struct vn_unary_op_s): Likewise.
 908         (vn_reference_insert): Free old reference on hash collision.
 909
 910 2008-01-10  Raksit Ashok  <raksit@google.com>
 911
 912         PR rtl-optimization/27971
 913         * combine.c (find_split_point): Split PLUS expressions which are
 914         inside a MEM rtx, and whose first operand is complex.
 915
 916 2008-01-10  DJ Delorie  <dj@redhat.com>
 917
 918         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
 919         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
 920         (m32c_hard_regno_ok): Call the underlying function.
 921
 922 2008-01-10  Richard Guenther  <rguenther@suse.de>
 923
 924         PR middle-end/34683
 925         * tree-cfg.c (tree_merge_blocks): Do not go through the
 926         full-blown folding and stmt updating path if we just deal
 927         with virtual operands.
 928         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
 929         test for abnormal SSA_NAMEs.
 930
 931 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
 932
 933         PR middle-end/34641
 934         * reload.c (push_reload): Add assertions.  All constants from
 935         reg_equiv_constant should have been used for replacing the respective
 936         pseudo earlier.
 937         (find_reloads_address): Invoke find_reloads_address_part for
 938         constant taken from the reg_equiv_constant array.
 939
 940 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
 941
 942         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
 943         field (valnum) the first in the struct.  Replace bools with
 944         unit bit fields.
 945
 946 2008-01-10  Richard Guenther  <rguenther@suse.de>
 947
 948         PR tree-optimization/34651
 949         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
 950         types and ordering for masking and converting.
 951
 952 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
 953
 954         PR tree-optimization/34017
 955         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
 956         also for PHI_NODE expressions.
 957
 958 2008-01-09  Jan Hubicka  <jh@suse.cz>
 959
 960         PR tree-optimization/34708
 961         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
 962         based on number of case labels.
 963         (init_inline_once): Remove switch_cost.
 964         * tree-inline.h (eni_weights_d): Remove switch_cost.
 965
 966 2008-01-09  Richard Guenther  <rguenther@suse.de>
 967         Andrew Pinski  <andrew_pinski@playstation.sony.com>
 968
 969         PR middle-end/30132
 970         * gimplify.c (gimplify_cond_expr): Do not create an addressable
 971         temporary if an rvalue is ok or an lvalue is not required.
 972
 973 2008-01-09  Richard Guenther  <rguenther@suse.de>
 974
 975         PR middle-end/34458
 976         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
 977         adjust return type.
 978
 979 2008-01-09  Richard Guenther  <rguenther@suse.de>
 980
 981         PR middle-end/34679
 982         * tree.c (host_integerp): Check for sizetype only if the
 983         type is an integer type.
 984
 985 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
 986
 987         PR debug/26364
 988         * opts.c (decode_options): Disable inlining of functions called
 989         once if not in unit-at-a-time mode.
 990
 991 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
 992
 993         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
 994
 995 2008-01-08  Richard Guenther  <rguenther@suse.de>
 996
 997         PR middle-end/31863
 998         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
 999         out early if the result will be unused.
1000
1001 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
1002
1003         PR target/34709
1004         Revert:
1005
1006         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
1007         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1008         for TARGET_RECIP.
1009
1010 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
1011
1012         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
1013         for vectorization tuned.
1014
1015 2008-01-08  Richard Guenther  <rguenther@suse.de>
1016
1017         PR tree-optimization/34683
1018         * tree-ssa-operands.c (operand_build_cmp): Export.
1019         * tree-ssa-operands.h (operand_build_cmp): Declare.
1020         * tree-vn.c (vuses_compare): Remove.
1021         (sort_vuses): Use operand_build_cmp.
1022         (sort_vuses_heap): Likewise.
1023         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
1024         to re-use old VEC if available.  Do not sort already sorted VUSEs.
1025         (vdefs_to_vec): Do not sort already sorted VDEFs.
1026
1027 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
1028
1029         PR middle-end/34694
1030         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
1031
1032 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
1033
1034         PR target/34702
1035         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
1036         limitations of reciprocal sequences on x86 targets.
1037
1038 2008-01-08  Richard Guenther  <rguenther@suse.de>
1039
1040         PR tree-optimization/34683
1041         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
1042
1043 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
1044
1045         PR target/34622
1046         * config/darwin.c (darwin_mergeable_string_section): Don't use
1047         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
1048
1049 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
1050
1051         PR target/34682
1052         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
1053         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
1054         predicates of op0 and op1 to register_operand.
1055         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
1056         expander using X87MODEF mode iterator.  Change predicates of
1057         op0 and op1 to register_operand.
1058         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
1059         corresponding patterns and macroize using MODEF macro.  Change
1060         predicates of op0 and op1 to register_operand and remove
1061         "m" constraint. Disparage "r" alternative with "!".
1062         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
1063         macroize using X87MODEF macro.  Change predicates of op0 and op1
1064         to register_operand and remove "m" constraint.  Disparage "r"
1065         alternative with "!".
1066         (absneg splitter with memory operands): Remove.
1067         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
1068         patterns and macroize using X87MODEF mode iterator.
1069         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
1070         Change predicate of op1 to register_operand.
1071         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
1072         for memory operands.
1073
1074 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
1075
1076         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
1077
1078 2008-01-07  Richard Guenther  <rguenther@suse.de>
1079
1080         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
1081         fields.
1082
1083 2008-01-07  Richard Guenther  <rguenther@suse.de>
1084
1085         PR tree-optimization/34683
1086         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
1087         VOPs of the needed size to save memory.  Use VEC_quick_push
1088         to save compile-time.
1089         (vdefs_to_vec): Likewise.
1090
1091 2008-01-07  Sa Liu  <saliu@de.ibm.com>
1092
1093         * config/spu/spu.md (divdf3): Genetate inline code for double
1094         division.  The implementation doesn't handle INF or NAN, therefore it
1095         only applies when -ffinite-math-only is given.
1096
1097 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
1098
1099         PR libstdc++/34680
1100         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
1101         * doc/cpp.texi ([Common Predefined Macros]): Document.
1102
1103 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
1104
1105         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
1106         order to use commutative addition instead of subtraction.
1107
1108 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1109             Mircea Namolaru  <namolaru@il.ibm.com>
1110             Vladimir Yanovsky  <yanov@il.ibm.com>
1111             Revital Eres  <eres@il.ibm.com>
1112
1113         PR tree-optimization/34263
1114         * tree-outof-ssa.c (process_single_block_loop_latch,
1115         contains_tree_r): New functions.
1116         (analyze_edges_for_bb): Call process_single_block_loop_latch
1117         function to empty single-basic-block latch block if possible.
1118
1119 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
1120
1121         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1122         for TARGET_RECIP.
1123         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
1124
1125 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
1126
1127         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
1128
1129 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
1130
1131         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
1132
1133 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
1134
1135         PR tree-optimization/34618
1136         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
1137         flag from T.
1138
1139 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
1140
1141         PR target/34673
1142         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
1143         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
1144         Update copyright year.
1145
1146         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
1147         Update copyright year.
1148         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
1149         using NR fixup.
1150
1151 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
1152
1153         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
1154         edge does not point to current bb before changing need_assert.
1155
1156 2008-01-04  Richard Guenther  <rguenther@suse.de>
1157
1158         PR middle-end/34029
1159         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
1160         for verifying purposes if they are is_gimple_min_invariant.
1161
1162 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
1163
1164         PR tree-optimization/34448
1165         PR tree-optimization/34465
1166         * gimplify.c (gimplify_init_constructor): Add new parameter
1167         notify_temp_creation.  Use it.
1168         (gimplify_modify_expr_rhs): Take volatiles into account when
1169         optimizing constructors.
1170         Do not optimize constructors if gimplify_init_constructor will dump to
1171         memory.
1172         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
1173         * gcc.c-torture/compile/pr34448.c: New.
1174
1175 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
1176
1177         PR gcov-profile/34609
1178         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
1179         return_slot if result is TREE_ADDRESSABLE.
1180
1181 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
1182
1183         * config/mips/mips.md (sqrt_condition): Tweak comment.
1184         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
1185
1186 2008-01-03  Tom Tromey  <tromey@redhat.com>
1187
1188         PR c/34457
1189         * c-common.c (c_type_hash): Handle VLAs.
1190
1191 2008-01-03  Jan Hubicka  <jh@suse.cz>
1192
1193         PR tree-optimization/31081
1194         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
1195         0 when inlining and not inlining to first basic block.
1196         (remap_decl): When var is initialized to 0, don't set default_def.
1197         (expand_call_inline): Set entry_bb.
1198         * tree-inline.h (copy_body_data): Add entry_bb.
1199
1200 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
1201
1202         PR c++/34619
1203         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
1204         before returning.
1205
1206         PR tree-optimization/29484
1207         * tree-inline.c (inline_forbidden_p_2): New function.
1208         (inline_forbidden_p): Disallow inlining if some static var
1209         has an address of a local LABEL_DECL in its initializer.
1210         * doc/extend.texi (Labels as Values): Document &&foo behaviour
1211         vs. inlining.
1212
1213 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
1214
1215         PR tree-optimization/34635
1216         * tree-data-ref.c (add_other_self_distances): Make sure that the
1217         evolution step is constant.
1218
1219 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
1220
1221         PR middle-end/34608
1222         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
1223
1224 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
1225
1226         * tree-sra.c (scalarize_init): Insert the generate_element_init
1227         statements after the generate_element_zero statements.
1228
1229 2008-01-02  Richard Guenther  <rguenther@suse.de>
1230
1231         PR middle-end/34093
1232         PR middle-end/31976
1233         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
1234         for very large number of operands instead of ICEing.
1235
1236 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
1237
1238         PR target/34013
1239         * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
1240         while stack probing.
1241
1242 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
1243
1244         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
1245         in C++0x mode.
1246
1247 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
1248
1249         PR libmudflap/26442
1250         * tree-mudflap.c (mx_register_decls): Guard warning by
1251         !DECL_ARTIFICIAL check.
1252
1253 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
1254
1255         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
1256         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
1257         sse5_perm<mode>): Fix constraints.