gcc/ChangeLog

   1 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
   2
   3         * basic-block.h (condjump_equiv_p): Fix comment.
   4
   5 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
   6
   7         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
   8         print_generic_stmt_indented): Fix comment.
   9
  10 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
  11
  12         * configure.ac (__stack_chk_fail): Add detecion for availability
  13         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
  14         * configure: Regenerate.
  15
  16 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
  17
  18         PR middle-end/34688
  19         * final.c (output_addr_const): Handle TRUNCATE.
  20
  21 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
  22
  23         PR target/34711
  24         * tree-ssa-loop-ivopts.c (comp_cost): New type.
  25         (zero_cost, infinite_cost): New constants.
  26         (struct cost_pair): Change type of cost to comp_cost.
  27         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
  28         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
  29         New functions.
  30         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
  31         split_address_cost, ptr_difference_cost, difference_cost,
  32         get_computation_cost_at, get_computation_cost,
  33         determine_use_iv_cost_generic, determine_use_iv_cost_address,
  34         determine_use_iv_cost_condition, determine_use_iv_costs,
  35         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
  36         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
  37         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
  38         Change type of cost to comp_cost.
  39         (determine_iv_cost): Increase cost of non-original ivs, instead
  40         of decreasing the cost of original ones.
  41         (get_address_cost): Indicate the complexity of the addressing mode
  42         in comp_cost.
  43         (try_add_cand_for): Prefer using ivs not specific to some object.
  44         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
  45
  46 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
  47             Janis Johnson  <janis187@us.ibm.com>
  48
  49         PR target/34814
  50         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
  51         (TARGET_INSTANTIATE_DECLS): Likewise.
  52         * target.h (expand_to_rtl_hook): New target hook.
  53         (instantiate_decls): Likewise.
  54         * function.c (instantiate_decl): Make non-static.  Rename to...
  55         (instantiate_decl_rtl): ... this.
  56         (instantiate_expr): Use instantiate_decl_rtl.
  57         (instantiate_decls_1): Likewise.
  58         (instantiate_decls): Likewise.
  59         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
  60         * function.h (instantiate_decl_rtl): Add prototype.
  61         * cfgexpand.c (target.h): New include.
  62         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
  63         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
  64         (TARGET_INSTANTIATE_DECLS): Likewise.
  65         (TARGET_INITIALIZER): New target hooks added.
  66         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
  67         New prototype.
  68         * config/rs6000/rs6000.c (tree-flow.h): New include.
  69         (machine_function): Add sdmode_stack_slot field.
  70         (rs6000_alloc_sdmode_stack_slot): New function.
  71         (rs6000_instantiate_decls): Likewise.
  72         (rs6000_secondary_memory_needed_rtx): Likewise.
  73         (rs6000_check_sdmode): Likewise.
  74         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
  75         (TARGET_INSTANTIATE_DECLS): Likewise.
  76         (rs6000_hard_regno_mode_ok): Allow SDmode.
  77         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
  78         (rs6000_emit_move): Handle SDmode.
  79         (function_arg_advance): Likewise.
  80         (function_arg): Likewise.
  81         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
  82         SDmode var args for 32-bit compiles.
  83         (rs6000_secondary_reload_class): Handle SDmode.
  84         (rs6000_output_function_epilogue): Likewise.
  85         (rs6000_function_value): Simplify if statement.
  86         (rs6000_libcall_value): Likewise.
  87         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
  88         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
  89         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
  90         (movsd_hardfloat): New define_insn.
  91         (movsd_softfloat): Likewise.
  92         (movsd_store): Likewise.
  93         (movsd_load): Likewise.
  94         (extendsddd2): Likewise.
  95         (extendsdtd2): Likewise.
  96         (truncddsd2): Likewise.
  97         (movdd_hardfloat64): Fixup comment.
  98         (UNSPEC_MOVSD_LOAD): New constant.
  99         (UNSPEC_MOVSD_STORE): Likewise.
 100
 101 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
 102
 103         PR c++/34965
 104         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
 105         TRUTH_XOR_EXPR.
 106         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
 107         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
 108         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
 109         and TRUTH_XOR_EXPR.
 110
 111 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
 112
 113         PR target/34794
 114         * config.gcc: Separate AIX 5.3 from AIX 6.1.
 115         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
 116         __LONGDOUBLE128 too.
 117         * config/rs6000/aix61.h: New file.
 118
 119 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
 120
 121         PR rtl-optimization/34959
 122         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
 123         popcount and parity rtxes the same mode as their operand.
 124         Truncate or extend the result to the return value's mode
 125         if necessary.
 126
 127 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
 128
 129         PR target/34981
 130         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
 131         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
 132         to GOT_VERSION_REGNUM.
 133         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
 134         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
 135         * config/mips/mips.c (mips_emit_call_insn): New function.
 136         (mips_call_tls_get_addr): Call mips_expand_call directly.
 137         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
 138         emit_call_insn.
 139         (mips16_build_call_stub): Likewise.  Return the call insn or null.
 140         (mips_expand_call): Update the call to mips16_build_call_stub
 141         accordingly and a remove redundant condition.  Assert that MIPS16
 142         stubs do not use lazy binding.  Use mips_emit_call_insn and return
 143         the call insn.
 144         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
 145         TARGET_USE_GOT.
 146         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
 147         (mips_avoid_hazard): Remove hazard_set handling.
 148         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
 149         (UNSPEC_RESTORE_GP): ...this.
 150         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
 151         (FAKE_CALL_REGNO): Rename to...
 152         (GOT_VERSION_REGNUM): ...this.
 153         (type): Add "ghost" value.  Add an associated insn reservation.
 154         (hazard_set): Remove.
 155         (exception_receiver): Rename to...
 156         (restore_gp): ...this and update the unspec identifier accordingly.
 157         (exception_receiver, nonlocal_got_receiver): New expanders.
 158         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
 159         FAKE_CALL_REGNO.  Remove hazard_set attribute.
 160         (set_got_version, update_got_version): New patterns.
 161
 162 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
 163
 164         PR target/34970
 165         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
 166
 167 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
 168
 169         PR other/31955
 170         * doc/install.texi2html: Generate gcc-vers.texi.
 171
 172 2008-01-25  DJ Delorie  <dj@redhat.com>
 173
 174         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
 175
 176 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
 177
 178         * config/c4x: Remove directory.
 179         * config.gcc (crx-*, mt-*): Mark obsolete.
 180         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
 181         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
 182         sh-*-rtemscoff*): Remove cases.
 183         * defaults.h (C4X_FLOAT_FORMAT): Remove.
 184         * real.c (encode_c4x_single, decode_c4x_single,
 185         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
 186         c4x_extended_format): Remove.
 187         * real.h (c4x_single_format, c4x_extended_format): Remove.
 188         * doc/extend.texi (interrupt, naked): Remove mention of attributes
 189         on C4x.
 190         (Pragmas): Remove comment about c4x pragmas.
 191         * doc/install.texi (c4x): Remove target-specific instructions.
 192         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
 193         * doc/md.texi (Machine Constraints): Remove C4x documentation.
 194         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
 195         refer to C4x source files as examples.
 196         (C4X_FLOAT_FORMAT): Remove documentation.
 197
 198 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
 199
 200         * config/bfin/bfin.c (override_options): Reorder tests so that
 201         flag_pic gets enabled for -msep-data.
 202
 203 2008-01-25  Richard Guenther  <rguenther@suse.de>
 204
 205         PR middle-end/32244
 206         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
 207         to its bitfield precision if required.
 208
 209 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
 210
 211         PR middle-end/33880
 212         * tree-nested.c (walk_omp_for): New function.
 213         (convert_nonlocal_reference, convert_local_reference): Call
 214         walk_omp_for on OMP_FOR.
 215         (convert_call_expr): Call walk_body on OMP_FOR's
 216         OMP_FOR_PRE_INIT_BODY.
 217
 218 2008-01-25  Richard Guenther  <rguenther@suse.de>
 219
 220         PR tree-optimization/34966
 221         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
 222         default defs and PHI_NODEs we have to insert after the
 223         defining statement.
 224
 225 2008-01-24  Nick Clifton  <nickc@redhat.com>
 226
 227         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
 228         Provide a default definition.
 229         (LIBGCC2_UNITS_PER_WORD): Likewise.
 230
 231         * config/stormy16/stormy16.c: Include df.h for the prototype
 232         for df_regs_ever_live_p.
 233         (xstormy16_expand_builtin_va_start): Convert the stack offset
 234         into a component_ref and then use POINTER_PLUS_EXPR to add it
 235         to the incoming_virtual_args_rtx.
 236         (xstormy16_gimplify_va_arg_expr): Rename to
 237         xstormy16_gimplify_va_arg_expr.
 238         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
 239         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
 240         xstormy16_gimplify_va_arg_expr.
 241         Fix up some formatting issues.
 242
 243         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
 244         Move to predicates.md.
 245         (xs_hi_general_operand): Likewise.
 246         (xs_hi_nonmemory_operand): Likewise.
 247         * config/stormy16/predicates.md:
 248         (xstormy16_carry_plus_operand): New predicate.
 249         (xs_hi_general_operand): New predicate.
 250         (xs_hi_nonmemory_operand): New predicate.
 251         * config/stormy16/stormy16-protos.h:
 252         (xstormy16_carry_plus_operand): Delete prototype.
 253         (xs_hi_general_operand): Likewise.
 254         (xs_hi_nonmemory_operand): Likewise.
 255
 256         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
 257         modifiers as they are no longer needed and they can trigger
 258         reload spill failures.
 259
 260         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
 261         with a match_operand in order to help reload.
 262
 263         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
 264         constraint with 'e' for the 8th alternative as this version of
 265         the mov.w instruction only accepts the lower 8 registers.
 266
 267 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
 268
 269         PR target/34856
 270         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
 271         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
 272         vector elements.
 273
 274 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
 275
 276         PR middle-end/33333
 277         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
 278
 279 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
 280
 281         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
 282         New functions.
 283         (remove_structure): Update allocations list before removing structure.
 284
 285 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
 286
 287         * ipa-struct-reorg.c (is_safe_cond_expr,
 288         create_new_stmts_for_cond_expr): Use integer_zerop function,
 289         that recognize not only zero-pointer, but zero-integer too.
 290
 291 2008-01-25  Ben Elliston  <bje@au.ibm.com>
 292
 293         PR other/22232
 294         * fixproto: Escape "." in sed expression that strips leading "./".
 295
 296 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
 297
 298         PR driver/34904
 299         * gcc.c (SWITCH_OK): Removed.
 300         (SWITCH_LIVE): Changed to bit.
 301         (SWITCH_FALSE): Likewise.
 302         (SWITCH_IGNORE): Likewise.
 303         (switchstr): Change live_cond to unsigned int.
 304         (process_command): Replace SWITCH_OK with 0.
 305         (do_self_spec): Likewise.
 306         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
 307         (give_switch): Likewise.
 308         (used_arg): Likewise.
 309         (do_spec_1): Set the SWITCH_IGNORE bit.
 310         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
 311         bits.  Set the SWITCH_LIVE bit.
 312
 313 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
 314
 315         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
 316
 317 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
 318
 319         PR tree-optimization/34472
 320         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
 321         parameter to a "bool *" and set *DATA to false if there is
 322         an unsafe access.  Do not delete the structure here.
 323         (check_cond_exprs): Delete it here instead.
 324         (check_cond_exprs, exclude_cold_structs): Do not increase
 325         I when removing a structure.
 326
 327 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
 328
 329         PR target/34856
 330         * config/i386/i386.c (ix86_expand_vector_init): Consider only
 331         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
 332
 333 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
 334
 335         PR middle-end/34934
 336         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
 337         a fixed vector for stack.
 338
 339 2008-01-24  Ben Elliston  <bje@au.ibm.com>
 340
 341         PR c++/25701
 342         * doc/gcc.texi (Software development): Add a direntry for g++.
 343
 344 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
 345
 346         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
 347         stale and straggling -fforce-addr comments above.
 348
 349         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
 350         define.
 351         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
 352         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
 353
 354 2008-01-23  Michael Matz  <matz@suse.de>
 355
 356         PR debug/34895
 357         * dwarf2out.c (force_type_die): Use modified_type_die instead of
 358         gen_type_die.
 359
 360 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
 361
 362         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
 363         malloc result type.
 364
 365 2008-01-23 Anatoly Sokolov <aesok@post.ru>
 366
 367         * config/avr/avr.c (avr_current_arch): New variable.
 368         (avr_arch_types): Add 'avr31' and 'avr51' entries.
 369         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
 370         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
 371         (avr_override_options): Init 'avr_current_arch'.
 372         (base_arch_s): Move from here...
 373         * config/avr/avr.h (base_arch_s): ... here. Add new members
 374         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
 375         'mega' to 'have_jmp_call'.
 376         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
 377         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
 378         macros.
 379         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
 380         architectures.
 381         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
 382         MULTILIB_MATCHES): (Ditto.).
 383
 384 2008-01-23  Richard Guenther  <rguenther@suse.de>
 385
 386         PR middle-end/31529
 387         * cgraphunit.c (cgraph_reset_node): Always mark the node
 388         not reachable if it is not queued already.
 389
 390 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
 391
 392         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
 393         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
 394         (cputype_selected): New static variable.
 395         (bfin_handle_option): Set it if -mcpu is used.
 396         (override_option): Select default set of workarounds if no cpu type
 397         selected on the command line.
 398         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
 399
 400         From  Michael Frysinger  <michael.frysinger@analog.com>
 401         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
 402         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
 403
 404         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
 405         for bf547, bf523, bf524, and bf526.
 406         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
 407         bf526.
 408         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
 409         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
 410         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
 411         __ADSPBF547__ and __ADSPBF54x__ for bf547.
 412         * doc/invoke.texi (Blackfin Options): Document that
 413         -mcpu now accept bf547, bf523, bf524, and bf526.
 414
 415 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
 416
 417         PR rtl-optimization/34628
 418         * combine.c (try_combine): Stop and undo after the first combination
 419         if an autoincrement side-effect on the first insn has effectively
 420         been lost.
 421
 422 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
 423
 424         PR target/34529
 425         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
 426         Offset addresses are not valid for Altivec or paired float modes.
 427
 428 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
 429
 430         PR c++/34607
 431         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
 432         if DECL_INITIAL (decl) is error_mark_node.
 433
 434         PR c++/34914
 435         * c-common.c (handle_vector_size_attribute): Only allow
 436         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
 437         the same way as pointer, array etc. types.
 438         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
 439
 440         PR c++/34917
 441         * tree.c (build_type_attribute_qual_variant): Call
 442         build_qualified_type if attributes are equal, but quals are not.
 443
 444 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 445
 446         PR 32102
 447         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
 448         * flags.h (warn_strict_aliasing): Remove.
 449         (warn_strict_overflow): Remove.
 450         * opts.c (warn_strict_aliasing): Remove.
 451         (warn_strict_overflow): Remove.
 452         * c-opts.c (c_common_handle_option): -Wall only sets
 453         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
 454         (c_common_post_options): Give default values to -Wstrict-aliasing
 455         and -Wstrict-overflow if they are uninitialized.
 456         * common.opt (Wstrict-aliasing): Specify Var and Init.
 457         (Wstrict-overflow): Likewise.
 458
 459 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
 460
 461         PR rtl-optimization/26854
 462         PR rtl-optimization/34400
 463         PR rtl-optimization/34884
 464         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
 465         DF_RD->gen.
 466         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
 467         (df_rd_bb_info.expanded_lr_out): Deleted
 468         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
 469         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
 470         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
 471         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
 472         Removed code to allocate, initialize or free expanded_lr_out.
 473         (df_rd_bb_local_compute_process_def): Restructured to make more
 474         understandable.
 475         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
 476         sets if the sets are being trimmed.
 477
 478 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
 479
 480         PR bootstrap/32287
 481         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
 482         (as_vers): Likewise.
 483         * configure: Regenerated.
 484
 485 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 486
 487         PR middle-end/33092
 488         * tree-pass.h (pass_build_alias): New pass.
 489         * tree-ssa-alias.c (gate_build_alias): New.
 490         (pass_build_alias): New.
 491         * passes.c (init_optimization_passes): Add pass_build_alias after
 492         pass_create_structure_vars.
 493
 494 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
 495
 496         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
 497         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
 498         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
 499         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
 500         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
 501         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
 502         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
 503         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
 504         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
 505         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
 506         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
 507         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
 508         * config/s390/s390.md (FP_ALL): New mode iterator.
 509         (_d): New mode attribute.
 510         ("*signbit<mode>2>"): Changed mode of first operand.
 511         ("isinf<mode>2"): Changed mode of first operand.
 512         ("*TDC_insn"): Adaptation for DFP modes.
 513
 514 2008-01-22  Ben Elliston  <bje@au.ibm.com>
 515
 516         * tree.c (check_qualified_type): Improve function description.
 517
 518 2008-01-21  Jason Merrill  <jason@redhat.com>
 519
 520         PR c++/34196
 521         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
 522         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
 523         if it is set.
 524
 525 2008-01-21  DJ Delorie  <dj@redhat.com>
 526
 527         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
 528         return zero.
 529
 530 2008-01-21  Richard Guenther  <rguenther@suse.de>
 531
 532         PR middle-end/34856
 533         * tree-cfg.c (verify_expr): Allow all invariant expressions
 534         instead of just constant class ones as reference argument.
 535         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
 536         like any other constant.
 537         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
 538
 539 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
 540
 541         * regmove.c (fixup_match_1): Update call crossed frequencies.
 542
 543 2008-01-21  Richard Guenther  <rguenther@suse.de>
 544
 545         PR c/34885
 546         * tree-inline.c (setup_one_parameter): Deal with mismatched
 547         types using a VIEW_CONVERT_EXPR.
 548
 549 2008-01-21  Alon Dayan  <alond@il.ibm.com>
 550             Olga Golovanevsky  <olga@il.ibm.com>
 551
 552         PR tree-optimization/34701
 553         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
 554         when the structure size is not a power of 2.
 555
 556 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
 557
 558         * doc/install.texi: Add doc for --enable-checking=df.
 559
 560 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
 561
 562         PR rtl-optimization/34808
 563         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
 564
 565 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
 566
 567         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
 568         input.
 569
 570 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
 571
 572         PR rtl-optimization/26854
 573         PR rtl-optimization/34400
 574         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
 575         DF_RD->gen.
 576         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
 577         (df_rd_bb_info.expanded_lr_out): New.
 578         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
 579         * loop_iv.c (iv_analysis_loop_init): Ditto.
 580         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
 581         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
 582         Added code to allocate, initialize or free expanded_lr_out.
 583         (df_rd_bb_local_compute_process_def): Restructured to make
 584         more understandable.
 585         (df_rd_confluence_n): Add code to do nothing with fake edges and
 586         code to no apply invalidate_by_call sets if the sets are being trimmed.
 587         (df_lr_local_finalize): Renamed to df_lr_finalize.
 588         (df_live_local_finalize): Renamed to df_live_finalize.
 589
 590 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
 591
 592         PR target/34831
 593         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
 594         deciding whether to use reciprocal instructions.
 595
 596 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
 597
 598         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
 599         dwarf2out_note_section_used if cold_text_section is NULL.
 600
 601 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
 602
 603         PR gcov-profile/34610
 604         * tree-cfg.c (make_edges): Mark both outgoing edges from
 605         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
 606         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
 607         from OMP_FOR and OMP_CONTINUE outgoing edges.
 608
 609         * tree-profile.c (tree_profiling): Return early if
 610         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
 611         at the end.
 612         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
 613         from cfun to child_cfun.
 614         * function.h (struct function): Add after_tree_profile bit.
 615
 616 2008-01-19 Anatoly Sokolov <aesok@post.ru>
 617
 618         * config/avr/avr.S (_exit): Disable interrupt.
 619
 620 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
 621             Steven Bosscher  <stevenb.gcc@gmail.com>
 622
 623         PR rtl-optimization/26854
 624         PR rtl-optimization/34400
 625         * df-problems.c (df_live_scratch): New scratch bitmap.
 626         (df_live_alloc): Allocate df_live_scratch when doing df_live.
 627         (df_live_reset): Clear the proper bitmaps.
 628         (df_live_bb_local_compute): Only process the artificial defs once
 629         since the order is not important.
 630         (df_live_init): Init the df_live sets only with the variables
 631         found live by df_lr.
 632         (df_live_transfer_function): Use the df_lr sets to prune the
 633         df_live sets as they are being computed.
 634         (df_live_free): Free df_live_scratch.
 635
 636 2008-01-18  Ian Lance Taylor  <iant@google.com>
 637
 638         * common.opt: Add fmerge-debug-strings.
 639         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
 640         flag_merge_debug_strings rather than flag_merge_constants.
 641         * doc/invoke.texi (Option Summary): Mention
 642         -fmerge-debug-strings.
 643         (Debugging Options): Document -fmerge-debug-strings.
 644
 645 2008-01-18  Ian Lance Taylor  <iant@google.com>
 646
 647         PR c++/33407
 648         * tree.h (DECL_IS_OPERATOR_NEW): Define.
 649         (struct tree_function_decl): Add new field operator_new_flag.
 650         * tree-inline.c (expand_call_inline): When inlining a call to
 651         operator new, force the return value to go into a variable, and
 652         set DECL_NO_TBAA_P on that variable.
 653         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
 654
 655 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
 656
 657         PR debug/34484
 658         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
 659         DWARF2_DEBUGGING_INFO.
 660         (dwarf2out_note_section_used): Ditto.  Add prototype.
 661         (have_multiple_function_sections, text_section_used,
 662         cold_text_section_used, *cold_text_sections): Move declarations
 663         before their uses.
 664
 665 2007-01-17  Bob Wilson  <bob.wilson@acm.org>
 666
 667         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
 668         field and add signal_ra.
 669         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
 670         assignments to frame state pc.  Move end of stack check after
 671         MD_FALLBACK_FRAME_STATE_FOR.
 672         (uw_update_context_1): Use frame state signal_regs if set, instead
 673         of checking signal_frame flag.
 674         (uw_update_context): Use frame state signal_ra if set.
 675         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
 676         * config/xtensa/linux-unwind.h: New file.
 677
 678 2007-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
 679
 680         * modulo-sched.c (get_sched_window): Fix comment typo.
 681
 682 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
 683
 684         PR tree-optimization/34648
 685         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
 686
 687 2008-01-17  Anatoly Sokolov <aesok@post.ru>
 688
 689         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
 690         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
 691
 692 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
 693
 694         PR rtl-optimization/34400
 695         * df-core.c (df_worklist_dataflow_overeager,
 696         df_worklist_dataflow_doublequeue): New functions.
 697         (df_worklist_dataflow): Two different worklist solvers.
 698         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
 699         New param.
 700
 701 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
 702
 703         PR testsuite/34821
 704         * doc/invoke.texi: Document the dependence on pthread for fopenmp
 705         and ftree-parallelize-loops.
 706
 707 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
 708
 709         PR rtl-optimization/34826
 710         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
 711
 712 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
 713
 714         * global.c (find_reg): Mark the eh regs as used if necessary.
 715         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
 716         * ra.h (struct allocno): no_eh_reg field added.  Changed
 717         no_stack_reg type to bitfield.
 718
 719 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
 720
 721         * tree.c (substitute_in_expr): Add missing 'break'.
 722
 723 2008-01-17  Richard Guenther  <rguenther@suse.de>
 724
 725         PR tree-optimization/34825
 726         * tree-ssa-math-opts.c (is_division_by): Do not recognize
 727         x / x as division to handle.
 728
 729 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 730
 731         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
 732         "-pthread" is specified.
 733         * pa-hpux11.h (LIB_SPEC): Likewise.
 734
 735 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
 736             Peter Bergner  <bergner@vnet.ibm.com>
 737
 738         PR rtl-optimization/33796
 739         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
 740
 741 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 742
 743         PR libgfortran/34699
 744         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
 745         static links.
 746         * pa-hpux10.h (LINK_SPEC): Likewise.
 747         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
 748
 749 2008-01-16  Richard Guenther  <rguenther@suse.de>
 750
 751         PR middle-end/32628
 752         * fold-const.c (fold_convert_const_int_from_int): Do not
 753         set overflow if that occured only because of a sign extension
 754         change when converting from/to a sizetype with the same
 755         precision and signedness.
 756
 757 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
 758
 759         PR debug/34249
 760         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
 761         location address to the correct place.  Update copyright year.
 762
 763 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
 764
 765         * lambda-code.c (lambda_transform_legal_p): Handle the case of
 766         no dependences in the dependence_relations vector.
 767
 768 2008-01-16  Jan Hubicka  <jh@suse.cz>
 769
 770         PR rtl-optimization/31396
 771         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
 772         * cfg.c (dump_reg_info): Print it.
 773         * regs.h (struct reg_info_t): add freq_calls_crossed.
 774         (REG_FREQ_CALLS_CROSSED): New macro.
 775         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
 776         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
 777         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
 778         regmove_optimize): Update call crossed frequencies.
 779         * local-alloc.c (struct qty): Add freq_calls_crossed.
 780         (alloc_qty): Copute freq_calls_crossed.
 781         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
 782         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
 783         * ra.h (struct allocno): Add freq_calls_crossed.
 784
 785 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
 786
 787         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
 788         libgomp when compiling with ftree-parallelize-loops.
 789         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
 790
 791 2008-01-16  Richard Guenther  <rguenther@suse.de>
 792
 793         PR tree-optimization/34769
 794         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
 795         * tree.c (int_cst_value): Instead make this function more
 796         permissive in what it accepts as valid input.  Document this
 797         function always sign-extends the value.
 798
 799 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
 800             Richard Guenther  <rguenther@suse.de>
 801
 802         PR c/34668
 803         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
 804         (gimple_fold_indirect_ref_rhs): ... this.
 805         (gimple_fold_indirect_ref): New function with foldings
 806         that preserve lvalueness.
 807         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
 808         * tree-flow.h (gimple_fold_indirect_ref): Declare.
 809         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
 810         to fold an INDIRECT_REF, fall back to the old use of
 811         fold_indirect_ref_1.
 812
 813 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
 814
 815         * tree-data-ref.c (subscript_dependence_tester_1): Call
 816         free_conflict_function.
 817         (compute_self_dependence): Same.
 818
 819 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
 820
 821         PR debug/34249
 822         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
 823         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
 824         function global.
 825         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
 826         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
 827         for DWARF2_UNWIND_INFO targets.
 828
 829 2008-01-16  Richard Guenther  <rguenther@suse.de>
 830
 831         PR c/34768
 832         * c-typeck.c (common_pointer_type): Do not merge inconsistent
 833         type qualifiers for function types.
 834
 835 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 836
 837         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
 838         loop_iterator li from previous commit.
 839
 840 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
 841
 842         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
 843
 844 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
 845
 846         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
 847         (parallelize_loops): Don't parallelize irreducible components.
 848
 849 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 850
 851         PR c++/24924
 852         * c-opts (c_common_post_options): Do not enable CPP
 853         flag_pedantic_errors by default.
 854
 855 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
 856
 857         PR rtl-optimization/31944
 858         * cse.c (remove_pseudo_from_table): New function.
 859         (merge_equiv_classes): Use above function to remove pseudo-registers.
 860         (invalidate): Likewise.
 861
 862 2008-01-13  Richard Guenther  <rguenther@suse.de>
 863
 864         PR middle-end/34601
 865         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
 866         instead of TYPE_MODE to deal with calls from expand_one_error_var.
 867
 868 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
 869
 870         * gcse.c (cprop_jump): Call validate_unshare_change instead of
 871         validate_change to unshare the source of the PC set.
 872
 873 2008-01-12  Jan Hubicka  <jh@suse.cz>
 874
 875         PR middle-end/32135
 876         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
 877         references above array bounds.  This might trigger bounds checks for
 878         pointers to arrays.
 879
 880 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
 881
 882         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
 883         new_replaceable_dependencies.
 884
 885 2008-01-12  Doug Kwan  <dougkwan@google.com>
 886
 887         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
 888         instead of OPT_Wreturn_type in warning due to ignored return type
 889         qualifiers.
 890         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
 891         options included in -Wextra.
 892         * c.opt: New option -Wignored_qualifiers.
 893         * doc/invoke.texi (Warning Options, -Wextra): Add new option
 894         -Wignore_qualifiers.
 895         (-Wignored-qualifiers): Document.
 896         (-Wreturn-type): Remove description of functionality now handled
 897         by -Wignored-qualifiers.
 898
 899 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
 900
 901         PR ada/33788
 902         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
 903         NOP_EXPR if it is between integral types with the same precision.
 904
 905 2008-01-12  Jan Hubicka  <jh@suse.cz>
 906
 907         PR other/28023
 908         * invoke.texi (max-inline-recursive-depth): Fix default value.
 909
 910 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
 911
 912         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
 913         correct type.
 914
 915 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
 916
 917         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
 918
 919 2008-01-11  James E. Wilson  <wilson@specifix.com>
 920
 921         PR target/26015
 922         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
 923
 924 2008-01-11  Anatoly Sokolov <aesok@post.ru>
 925
 926         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
 927         save/restore frame pointer register and don't use 'call-prologues'
 928         optimization in function with "OS_task" attribute.
 929
 930 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
 931
 932         PR middle-end/31309
 933         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
 934         when copying to memory.
 935
 936 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
 937
 938         PR rtl-optimization/30905
 939         * cfgcleanup.c: Include dce.h
 940         (crossjumps_occured): New global variable.
 941         (try_crossjump_bb): Exit loop after finding a fallthru edge.
 942         If something changed, set crossjumps_occured to true.
 943         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
 944         Don't add/remove fake edges to exit here...
 945         (cleanup_cfg): ...but do it here, when crossjumping.
 946         Run a fast DCE when successful crossjumps occured in the latest
 947         iteration of try_optimize_cfg.
 948
 949 2008-01-11  Richard Guenther  <rguenther@suse.de>
 950
 951         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
 952         (struct vn_unary_op_s): Likewise.
 953         (vn_reference_insert): Free old reference on hash collision.
 954
 955 2008-01-10  Raksit Ashok  <raksit@google.com>
 956
 957         PR rtl-optimization/27971
 958         * combine.c (find_split_point): Split PLUS expressions which are
 959         inside a MEM rtx, and whose first operand is complex.
 960
 961 2008-01-10  DJ Delorie  <dj@redhat.com>
 962
 963         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
 964         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
 965         (m32c_hard_regno_ok): Call the underlying function.
 966
 967 2008-01-10  Richard Guenther  <rguenther@suse.de>
 968
 969         PR middle-end/34683
 970         * tree-cfg.c (tree_merge_blocks): Do not go through the
 971         full-blown folding and stmt updating path if we just deal
 972         with virtual operands.
 973         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
 974         test for abnormal SSA_NAMEs.
 975
 976 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
 977
 978         PR middle-end/34641
 979         * reload.c (push_reload): Add assertions.  All constants from
 980         reg_equiv_constant should have been used for replacing the respective
 981         pseudo earlier.
 982         (find_reloads_address): Invoke find_reloads_address_part for
 983         constant taken from the reg_equiv_constant array.
 984
 985 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
 986
 987         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
 988         field (valnum) the first in the struct.  Replace bools with
 989         unit bit fields.
 990
 991 2008-01-10  Richard Guenther  <rguenther@suse.de>
 992
 993         PR tree-optimization/34651
 994         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
 995         types and ordering for masking and converting.
 996
 997 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
 998
 999         PR tree-optimization/34017
1000         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
1001         also for PHI_NODE expressions.
1002
1003 2008-01-09  Jan Hubicka  <jh@suse.cz>
1004
1005         PR tree-optimization/34708
1006         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
1007         based on number of case labels.
1008         (init_inline_once): Remove switch_cost.
1009         * tree-inline.h (eni_weights_d): Remove switch_cost.
1010
1011 2008-01-09  Richard Guenther  <rguenther@suse.de>
1012         Andrew Pinski  <andrew_pinski@playstation.sony.com>
1013
1014         PR middle-end/30132
1015         * gimplify.c (gimplify_cond_expr): Do not create an addressable
1016         temporary if an rvalue is ok or an lvalue is not required.
1017
1018 2008-01-09  Richard Guenther  <rguenther@suse.de>
1019
1020         PR middle-end/34458
1021         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
1022         adjust return type.
1023
1024 2008-01-09  Richard Guenther  <rguenther@suse.de>
1025
1026         PR middle-end/34679
1027         * tree.c (host_integerp): Check for sizetype only if the
1028         type is an integer type.
1029
1030 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
1031
1032         PR debug/26364
1033         * opts.c (decode_options): Disable inlining of functions called
1034         once if not in unit-at-a-time mode.
1035
1036 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
1037
1038         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
1039
1040 2008-01-08  Richard Guenther  <rguenther@suse.de>
1041
1042         PR middle-end/31863
1043         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
1044         out early if the result will be unused.
1045
1046 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
1047
1048         PR target/34709
1049         Revert:
1050
1051         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
1052         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1053         for TARGET_RECIP.
1054
1055 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
1056
1057         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
1058         for vectorization tuned.
1059
1060 2008-01-08  Richard Guenther  <rguenther@suse.de>
1061
1062         PR tree-optimization/34683
1063         * tree-ssa-operands.c (operand_build_cmp): Export.
1064         * tree-ssa-operands.h (operand_build_cmp): Declare.
1065         * tree-vn.c (vuses_compare): Remove.
1066         (sort_vuses): Use operand_build_cmp.
1067         (sort_vuses_heap): Likewise.
1068         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
1069         to re-use old VEC if available.  Do not sort already sorted VUSEs.
1070         (vdefs_to_vec): Do not sort already sorted VDEFs.
1071
1072 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
1073
1074         PR middle-end/34694
1075         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
1076
1077 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
1078
1079         PR target/34702
1080         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
1081         limitations of reciprocal sequences on x86 targets.
1082
1083 2008-01-08  Richard Guenther  <rguenther@suse.de>
1084
1085         PR tree-optimization/34683
1086         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
1087
1088 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
1089
1090         PR target/34622
1091         * config/darwin.c (darwin_mergeable_string_section): Don't use
1092         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
1093
1094 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
1095
1096         PR target/34682
1097         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
1098         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
1099         predicates of op0 and op1 to register_operand.
1100         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
1101         expander using X87MODEF mode iterator.  Change predicates of
1102         op0 and op1 to register_operand.
1103         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
1104         corresponding patterns and macroize using MODEF macro.  Change
1105         predicates of op0 and op1 to register_operand and remove
1106         "m" constraint. Disparage "r" alternative with "!".
1107         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
1108         macroize using X87MODEF macro.  Change predicates of op0 and op1
1109         to register_operand and remove "m" constraint.  Disparage "r"
1110         alternative with "!".
1111         (absneg splitter with memory operands): Remove.
1112         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
1113         patterns and macroize using X87MODEF mode iterator.
1114         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
1115         Change predicate of op1 to register_operand.
1116         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
1117         for memory operands.
1118
1119 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
1120
1121         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
1122
1123 2008-01-07  Richard Guenther  <rguenther@suse.de>
1124
1125         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
1126         fields.
1127
1128 2008-01-07  Richard Guenther  <rguenther@suse.de>
1129
1130         PR tree-optimization/34683
1131         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
1132         VOPs of the needed size to save memory.  Use VEC_quick_push
1133         to save compile-time.
1134         (vdefs_to_vec): Likewise.
1135
1136 2008-01-07  Sa Liu  <saliu@de.ibm.com>
1137
1138         * config/spu/spu.md (divdf3): Genetate inline code for double
1139         division.  The implementation doesn't handle INF or NAN, therefore it
1140         only applies when -ffinite-math-only is given.
1141
1142 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
1143
1144         PR libstdc++/34680
1145         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
1146         * doc/cpp.texi ([Common Predefined Macros]): Document.
1147
1148 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
1149
1150         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
1151         order to use commutative addition instead of subtraction.
1152
1153 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1154             Mircea Namolaru  <namolaru@il.ibm.com>
1155             Vladimir Yanovsky  <yanov@il.ibm.com>
1156             Revital Eres  <eres@il.ibm.com>
1157
1158         PR tree-optimization/34263
1159         * tree-outof-ssa.c (process_single_block_loop_latch,
1160         contains_tree_r): New functions.
1161         (analyze_edges_for_bb): Call process_single_block_loop_latch
1162         function to empty single-basic-block latch block if possible.
1163
1164 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
1165
1166         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1167         for TARGET_RECIP.
1168         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
1169
1170 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
1171
1172         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
1173
1174 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
1175
1176         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
1177
1178 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
1179
1180         PR tree-optimization/34618
1181         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
1182         flag from T.
1183
1184 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
1185
1186         PR target/34673
1187         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
1188         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
1189         Update copyright year.
1190
1191         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
1192         Update copyright year.
1193         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
1194         using NR fixup.
1195
1196 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
1197
1198         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
1199         edge does not point to current bb before changing need_assert.
1200
1201 2008-01-04  Richard Guenther  <rguenther@suse.de>
1202
1203         PR middle-end/34029
1204         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
1205         for verifying purposes if they are is_gimple_min_invariant.
1206
1207 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
1208
1209         PR tree-optimization/34448
1210         PR tree-optimization/34465
1211         * gimplify.c (gimplify_init_constructor): Add new parameter
1212         notify_temp_creation.  Use it.
1213         (gimplify_modify_expr_rhs): Take volatiles into account when
1214         optimizing constructors.
1215         Do not optimize constructors if gimplify_init_constructor will dump to
1216         memory.
1217         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
1218         * gcc.c-torture/compile/pr34448.c: New.
1219
1220 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
1221
1222         PR gcov-profile/34609
1223         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
1224         return_slot if result is TREE_ADDRESSABLE.
1225
1226 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
1227
1228         * config/mips/mips.md (sqrt_condition): Tweak comment.
1229         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
1230
1231 2008-01-03  Tom Tromey  <tromey@redhat.com>
1232
1233         PR c/34457
1234         * c-common.c (c_type_hash): Handle VLAs.
1235
1236 2008-01-03  Jan Hubicka  <jh@suse.cz>
1237
1238         PR tree-optimization/31081
1239         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
1240         0 when inlining and not inlining to first basic block.
1241         (remap_decl): When var is initialized to 0, don't set default_def.
1242         (expand_call_inline): Set entry_bb.
1243         * tree-inline.h (copy_body_data): Add entry_bb.
1244
1245 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
1246
1247         PR c++/34619
1248         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
1249         before returning.
1250
1251         PR tree-optimization/29484
1252         * tree-inline.c (inline_forbidden_p_2): New function.
1253         (inline_forbidden_p): Disallow inlining if some static var
1254         has an address of a local LABEL_DECL in its initializer.
1255         * doc/extend.texi (Labels as Values): Document &&foo behaviour
1256         vs. inlining.
1257
1258 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
1259
1260         PR tree-optimization/34635
1261         * tree-data-ref.c (add_other_self_distances): Make sure that the
1262         evolution step is constant.
1263
1264 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
1265
1266         PR middle-end/34608
1267         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
1268
1269 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
1270
1271         * tree-sra.c (scalarize_init): Insert the generate_element_init
1272         statements after the generate_element_zero statements.
1273
1274 2008-01-02  Richard Guenther  <rguenther@suse.de>
1275
1276         PR middle-end/34093
1277         PR middle-end/31976
1278         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
1279         for very large number of operands instead of ICEing.
1280
1281 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
1282
1283         PR target/34013
1284         * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
1285         while stack probing.
1286
1287 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
1288
1289         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
1290         in C++0x mode.
1291
1292 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
1293
1294         PR libmudflap/26442
1295         * tree-mudflap.c (mx_register_decls): Guard warning by
1296         !DECL_ARTIFICIAL check.
1297
1298 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
1299
1300         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
1301         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
1302         sse5_perm<mode>): Fix constraints.