gcc/ChangeLog

   1 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
   2
   3         PR middle-end/34969
   4         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
   5         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
   6         * tree-inline.c (fold_marked_statements): Call
   7         cgraph_update_edges_for_call_stmt if folding a call statement.
   8         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
   9         debug_generic_stmt calls, reset it back afterwards.
  10
  11         PR c/35017
  12         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
  13         static decls.
  14         * c-typeck.c (build_external_ref): Don't pedwarn about
  15         static vars in current function's scope.
  16
  17 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
  18
  19         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
  20
  21 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
  22
  23         PR c/35002
  24         * ipa-struct-reorg.c: Fix spelling.
  25         * params.def: Ditto.
  26
  27 2008-01-29  Richard Guenther  <rguenther@suse.de>
  28
  29         PR middle-end/35006
  30         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
  31         field.
  32         * tree-inline.c (remap_type): Increment remapping_type_depth
  33         around remapping types.
  34         (copy_body_r): Only add referenced variables if they are referenced
  35         from code, not types.
  36
  37 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
  38
  39         PR c++/34055
  40         PR c++/34103
  41         PR c++/34219
  42         PR c++/34606
  43         PR c++/34753
  44         PR c++/34754
  45         PR c++/34755
  46         PR c++/34919
  47         PR c++/34961
  48         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
  49         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
  50
  51 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
  52
  53         PR target/34412
  54         * config/avr/avr.c (expand_prologue): Use correct QI mode frame
  55         pointer for tiny stack.
  56
  57 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
  58
  59         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
  60
  61 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
  62
  63         * config/vx-common.h: Fix typo in comment.
  64
  65 2008-01-28  Ian Lance Taylor  <iant@google.com>
  66
  67         PR c++/34862
  68         PR c++/33407
  69         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
  70         coalesce pointers if they have different DECL_NO_TBAA_P values.
  71         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
  72         between variables with different DECL_NO_TBAA_P values.
  73
  74 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
  75
  76         PR 31535
  77         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
  78         are not legitimate small data references on SPE targets.
  79
  80 2008-01-28  David Daney  <ddaney@avtrex.com>
  81
  82         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
  83
  84 2008-01-28  David Daney  <ddaney@avtrex.com>
  85
  86         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
  87
  88 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
  89
  90         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
  91         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
  92         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
  93         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
  94         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
  95         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
  96         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
  97         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
  98
  99 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
 100
 101         * basic-block.h (condjump_equiv_p): Fix comment.
 102
 103 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
 104
 105         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
 106         print_generic_stmt_indented): Fix comment.
 107
 108 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
 109
 110         * configure.ac (__stack_chk_fail): Add detecion for availability
 111         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
 112         * configure: Regenerate.
 113
 114 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
 115
 116         PR middle-end/34688
 117         * final.c (output_addr_const): Handle TRUNCATE.
 118
 119 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
 120
 121         PR target/34711
 122         * tree-ssa-loop-ivopts.c (comp_cost): New type.
 123         (zero_cost, infinite_cost): New constants.
 124         (struct cost_pair): Change type of cost to comp_cost.
 125         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
 126         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
 127         New functions.
 128         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
 129         split_address_cost, ptr_difference_cost, difference_cost,
 130         get_computation_cost_at, get_computation_cost,
 131         determine_use_iv_cost_generic, determine_use_iv_cost_address,
 132         determine_use_iv_cost_condition, determine_use_iv_costs,
 133         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
 134         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
 135         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
 136         Change type of cost to comp_cost.
 137         (determine_iv_cost): Increase cost of non-original ivs, instead
 138         of decreasing the cost of original ones.
 139         (get_address_cost): Indicate the complexity of the addressing mode
 140         in comp_cost.
 141         (try_add_cand_for): Prefer using ivs not specific to some object.
 142         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
 143
 144 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
 145             Janis Johnson  <janis187@us.ibm.com>
 146
 147         PR target/34814
 148         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
 149         (TARGET_INSTANTIATE_DECLS): Likewise.
 150         * target.h (expand_to_rtl_hook): New target hook.
 151         (instantiate_decls): Likewise.
 152         * function.c (instantiate_decl): Make non-static.  Rename to...
 153         (instantiate_decl_rtl): ... this.
 154         (instantiate_expr): Use instantiate_decl_rtl.
 155         (instantiate_decls_1): Likewise.
 156         (instantiate_decls): Likewise.
 157         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
 158         * function.h (instantiate_decl_rtl): Add prototype.
 159         * cfgexpand.c (target.h): New include.
 160         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
 161         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
 162         (TARGET_INSTANTIATE_DECLS): Likewise.
 163         (TARGET_INITIALIZER): New target hooks added.
 164         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
 165         New prototype.
 166         * config/rs6000/rs6000.c (tree-flow.h): New include.
 167         (machine_function): Add sdmode_stack_slot field.
 168         (rs6000_alloc_sdmode_stack_slot): New function.
 169         (rs6000_instantiate_decls): Likewise.
 170         (rs6000_secondary_memory_needed_rtx): Likewise.
 171         (rs6000_check_sdmode): Likewise.
 172         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
 173         (TARGET_INSTANTIATE_DECLS): Likewise.
 174         (rs6000_hard_regno_mode_ok): Allow SDmode.
 175         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
 176         (rs6000_emit_move): Handle SDmode.
 177         (function_arg_advance): Likewise.
 178         (function_arg): Likewise.
 179         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
 180         SDmode var args for 32-bit compiles.
 181         (rs6000_secondary_reload_class): Handle SDmode.
 182         (rs6000_output_function_epilogue): Likewise.
 183         (rs6000_function_value): Simplify if statement.
 184         (rs6000_libcall_value): Likewise.
 185         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
 186         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
 187         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
 188         (movsd_hardfloat): New define_insn.
 189         (movsd_softfloat): Likewise.
 190         (movsd_store): Likewise.
 191         (movsd_load): Likewise.
 192         (extendsddd2): Likewise.
 193         (extendsdtd2): Likewise.
 194         (truncddsd2): Likewise.
 195         (movdd_hardfloat64): Fixup comment.
 196         (UNSPEC_MOVSD_LOAD): New constant.
 197         (UNSPEC_MOVSD_STORE): Likewise.
 198
 199 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
 200
 201         PR c++/34965
 202         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
 203         TRUTH_XOR_EXPR.
 204         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
 205         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
 206         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
 207         and TRUTH_XOR_EXPR.
 208
 209 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
 210
 211         PR target/34794
 212         * config.gcc: Separate AIX 5.3 from AIX 6.1.
 213         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
 214         __LONGDOUBLE128 too.
 215         * config/rs6000/aix61.h: New file.
 216
 217 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
 218
 219         PR rtl-optimization/34959
 220         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
 221         popcount and parity rtxes the same mode as their operand.
 222         Truncate or extend the result to the return value's mode
 223         if necessary.
 224
 225 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
 226
 227         PR target/34981
 228         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
 229         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
 230         to GOT_VERSION_REGNUM.
 231         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
 232         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
 233         * config/mips/mips.c (mips_emit_call_insn): New function.
 234         (mips_call_tls_get_addr): Call mips_expand_call directly.
 235         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
 236         emit_call_insn.
 237         (mips16_build_call_stub): Likewise.  Return the call insn or null.
 238         (mips_expand_call): Update the call to mips16_build_call_stub
 239         accordingly and a remove redundant condition.  Assert that MIPS16
 240         stubs do not use lazy binding.  Use mips_emit_call_insn and return
 241         the call insn.
 242         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
 243         TARGET_USE_GOT.
 244         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
 245         (mips_avoid_hazard): Remove hazard_set handling.
 246         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
 247         (UNSPEC_RESTORE_GP): ...this.
 248         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
 249         (FAKE_CALL_REGNO): Rename to...
 250         (GOT_VERSION_REGNUM): ...this.
 251         (type): Add "ghost" value.  Add an associated insn reservation.
 252         (hazard_set): Remove.
 253         (exception_receiver): Rename to...
 254         (restore_gp): ...this and update the unspec identifier accordingly.
 255         (exception_receiver, nonlocal_got_receiver): New expanders.
 256         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
 257         FAKE_CALL_REGNO.  Remove hazard_set attribute.
 258         (set_got_version, update_got_version): New patterns.
 259
 260 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
 261
 262         PR target/34970
 263         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
 264
 265 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
 266
 267         PR other/31955
 268         * doc/install.texi2html: Generate gcc-vers.texi.
 269
 270 2008-01-25  DJ Delorie  <dj@redhat.com>
 271
 272         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
 273
 274 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
 275
 276         * config/c4x: Remove directory.
 277         * config.gcc (crx-*, mt-*): Mark obsolete.
 278         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
 279         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
 280         sh-*-rtemscoff*): Remove cases.
 281         * defaults.h (C4X_FLOAT_FORMAT): Remove.
 282         * real.c (encode_c4x_single, decode_c4x_single,
 283         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
 284         c4x_extended_format): Remove.
 285         * real.h (c4x_single_format, c4x_extended_format): Remove.
 286         * doc/extend.texi (interrupt, naked): Remove mention of attributes
 287         on C4x.
 288         (Pragmas): Remove comment about c4x pragmas.
 289         * doc/install.texi (c4x): Remove target-specific instructions.
 290         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
 291         * doc/md.texi (Machine Constraints): Remove C4x documentation.
 292         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
 293         refer to C4x source files as examples.
 294         (C4X_FLOAT_FORMAT): Remove documentation.
 295
 296 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
 297
 298         * config/bfin/bfin.c (override_options): Reorder tests so that
 299         flag_pic gets enabled for -msep-data.
 300
 301 2008-01-25  Richard Guenther  <rguenther@suse.de>
 302
 303         PR middle-end/32244
 304         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
 305         to its bitfield precision if required.
 306
 307 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
 308
 309         PR middle-end/33880
 310         * tree-nested.c (walk_omp_for): New function.
 311         (convert_nonlocal_reference, convert_local_reference): Call
 312         walk_omp_for on OMP_FOR.
 313         (convert_call_expr): Call walk_body on OMP_FOR's
 314         OMP_FOR_PRE_INIT_BODY.
 315
 316 2008-01-25  Richard Guenther  <rguenther@suse.de>
 317
 318         PR tree-optimization/34966
 319         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
 320         default defs and PHI_NODEs we have to insert after the
 321         defining statement.
 322
 323 2008-01-24  Nick Clifton  <nickc@redhat.com>
 324
 325         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
 326         Provide a default definition.
 327         (LIBGCC2_UNITS_PER_WORD): Likewise.
 328
 329         * config/stormy16/stormy16.c: Include df.h for the prototype
 330         for df_regs_ever_live_p.
 331         (xstormy16_expand_builtin_va_start): Convert the stack offset
 332         into a component_ref and then use POINTER_PLUS_EXPR to add it
 333         to the incoming_virtual_args_rtx.
 334         (xstormy16_gimplify_va_arg_expr): Rename to
 335         xstormy16_gimplify_va_arg_expr.
 336         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
 337         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
 338         xstormy16_gimplify_va_arg_expr.
 339         Fix up some formatting issues.
 340
 341         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
 342         Move to predicates.md.
 343         (xs_hi_general_operand): Likewise.
 344         (xs_hi_nonmemory_operand): Likewise.
 345         * config/stormy16/predicates.md:
 346         (xstormy16_carry_plus_operand): New predicate.
 347         (xs_hi_general_operand): New predicate.
 348         (xs_hi_nonmemory_operand): New predicate.
 349         * config/stormy16/stormy16-protos.h:
 350         (xstormy16_carry_plus_operand): Delete prototype.
 351         (xs_hi_general_operand): Likewise.
 352         (xs_hi_nonmemory_operand): Likewise.
 353
 354         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
 355         modifiers as they are no longer needed and they can trigger
 356         reload spill failures.
 357
 358         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
 359         with a match_operand in order to help reload.
 360
 361         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
 362         constraint with 'e' for the 8th alternative as this version of
 363         the mov.w instruction only accepts the lower 8 registers.
 364
 365 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
 366
 367         PR target/34856
 368         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
 369         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
 370         vector elements.
 371
 372 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
 373
 374         PR middle-end/33333
 375         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
 376
 377 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
 378
 379         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
 380         New functions.
 381         (remove_structure): Update allocations list before removing structure.
 382
 383 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
 384
 385         * ipa-struct-reorg.c (is_safe_cond_expr,
 386         create_new_stmts_for_cond_expr): Use integer_zerop function,
 387         that recognize not only zero-pointer, but zero-integer too.
 388
 389 2008-01-25  Ben Elliston  <bje@au.ibm.com>
 390
 391         PR other/22232
 392         * fixproto: Escape "." in sed expression that strips leading "./".
 393
 394 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
 395
 396         PR driver/34904
 397         * gcc.c (SWITCH_OK): Removed.
 398         (SWITCH_LIVE): Changed to bit.
 399         (SWITCH_FALSE): Likewise.
 400         (SWITCH_IGNORE): Likewise.
 401         (switchstr): Change live_cond to unsigned int.
 402         (process_command): Replace SWITCH_OK with 0.
 403         (do_self_spec): Likewise.
 404         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
 405         (give_switch): Likewise.
 406         (used_arg): Likewise.
 407         (do_spec_1): Set the SWITCH_IGNORE bit.
 408         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
 409         bits.  Set the SWITCH_LIVE bit.
 410
 411 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
 412
 413         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
 414
 415 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
 416
 417         PR tree-optimization/34472
 418         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
 419         parameter to a "bool *" and set *DATA to false if there is
 420         an unsafe access.  Do not delete the structure here.
 421         (check_cond_exprs): Delete it here instead.
 422         (check_cond_exprs, exclude_cold_structs): Do not increase
 423         I when removing a structure.
 424
 425 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
 426
 427         PR target/34856
 428         * config/i386/i386.c (ix86_expand_vector_init): Consider only
 429         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
 430
 431 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
 432
 433         PR middle-end/34934
 434         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
 435         a fixed vector for stack.
 436
 437 2008-01-24  Ben Elliston  <bje@au.ibm.com>
 438
 439         PR c++/25701
 440         * doc/gcc.texi (Software development): Add a direntry for g++.
 441
 442 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
 443
 444         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
 445         stale and straggling -fforce-addr comments above.
 446
 447         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
 448         define.
 449         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
 450         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
 451
 452 2008-01-23  Michael Matz  <matz@suse.de>
 453
 454         PR debug/34895
 455         * dwarf2out.c (force_type_die): Use modified_type_die instead of
 456         gen_type_die.
 457
 458 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
 459
 460         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
 461         malloc result type.
 462
 463 2008-01-23 Anatoly Sokolov <aesok@post.ru>
 464
 465         * config/avr/avr.c (avr_current_arch): New variable.
 466         (avr_arch_types): Add 'avr31' and 'avr51' entries.
 467         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
 468         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
 469         (avr_override_options): Init 'avr_current_arch'.
 470         (base_arch_s): Move from here...
 471         * config/avr/avr.h (base_arch_s): ... here. Add new members
 472         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
 473         'mega' to 'have_jmp_call'.
 474         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
 475         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
 476         macros.
 477         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
 478         architectures.
 479         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
 480         MULTILIB_MATCHES): (Ditto.).
 481
 482 2008-01-23  Richard Guenther  <rguenther@suse.de>
 483
 484         PR middle-end/31529
 485         * cgraphunit.c (cgraph_reset_node): Always mark the node
 486         not reachable if it is not queued already.
 487
 488 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
 489
 490         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
 491         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
 492         (cputype_selected): New static variable.
 493         (bfin_handle_option): Set it if -mcpu is used.
 494         (override_option): Select default set of workarounds if no cpu type
 495         selected on the command line.
 496         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
 497
 498         From  Michael Frysinger  <michael.frysinger@analog.com>
 499         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
 500         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
 501
 502         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
 503         for bf547, bf523, bf524, and bf526.
 504         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
 505         bf526.
 506         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
 507         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
 508         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
 509         __ADSPBF547__ and __ADSPBF54x__ for bf547.
 510         * doc/invoke.texi (Blackfin Options): Document that
 511         -mcpu now accept bf547, bf523, bf524, and bf526.
 512
 513 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
 514
 515         PR rtl-optimization/34628
 516         * combine.c (try_combine): Stop and undo after the first combination
 517         if an autoincrement side-effect on the first insn has effectively
 518         been lost.
 519
 520 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
 521
 522         PR target/34529
 523         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
 524         Offset addresses are not valid for Altivec or paired float modes.
 525
 526 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
 527
 528         PR c++/34607
 529         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
 530         if DECL_INITIAL (decl) is error_mark_node.
 531
 532         PR c++/34914
 533         * c-common.c (handle_vector_size_attribute): Only allow
 534         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
 535         the same way as pointer, array etc. types.
 536         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
 537
 538         PR c++/34917
 539         * tree.c (build_type_attribute_qual_variant): Call
 540         build_qualified_type if attributes are equal, but quals are not.
 541
 542 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 543
 544         PR 32102
 545         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
 546         * flags.h (warn_strict_aliasing): Remove.
 547         (warn_strict_overflow): Remove.
 548         * opts.c (warn_strict_aliasing): Remove.
 549         (warn_strict_overflow): Remove.
 550         * c-opts.c (c_common_handle_option): -Wall only sets
 551         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
 552         (c_common_post_options): Give default values to -Wstrict-aliasing
 553         and -Wstrict-overflow if they are uninitialized.
 554         * common.opt (Wstrict-aliasing): Specify Var and Init.
 555         (Wstrict-overflow): Likewise.
 556
 557 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
 558
 559         PR rtl-optimization/26854
 560         PR rtl-optimization/34400
 561         PR rtl-optimization/34884
 562         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
 563         DF_RD->gen.
 564         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
 565         (df_rd_bb_info.expanded_lr_out): Deleted
 566         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
 567         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
 568         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
 569         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
 570         Removed code to allocate, initialize or free expanded_lr_out.
 571         (df_rd_bb_local_compute_process_def): Restructured to make more
 572         understandable.
 573         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
 574         sets if the sets are being trimmed.
 575
 576 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
 577
 578         PR bootstrap/32287
 579         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
 580         (as_vers): Likewise.
 581         * configure: Regenerated.
 582
 583 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 584
 585         PR middle-end/33092
 586         * tree-pass.h (pass_build_alias): New pass.
 587         * tree-ssa-alias.c (gate_build_alias): New.
 588         (pass_build_alias): New.
 589         * passes.c (init_optimization_passes): Add pass_build_alias after
 590         pass_create_structure_vars.
 591
 592 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
 593
 594         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
 595         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
 596         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
 597         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
 598         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
 599         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
 600         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
 601         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
 602         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
 603         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
 604         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
 605         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
 606         * config/s390/s390.md (FP_ALL): New mode iterator.
 607         (_d): New mode attribute.
 608         ("*signbit<mode>2>"): Changed mode of first operand.
 609         ("isinf<mode>2"): Changed mode of first operand.
 610         ("*TDC_insn"): Adaptation for DFP modes.
 611
 612 2008-01-22  Ben Elliston  <bje@au.ibm.com>
 613
 614         * tree.c (check_qualified_type): Improve function description.
 615
 616 2008-01-21  Jason Merrill  <jason@redhat.com>
 617
 618         PR c++/34196
 619         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
 620         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
 621         if it is set.
 622
 623 2008-01-21  DJ Delorie  <dj@redhat.com>
 624
 625         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
 626         return zero.
 627
 628 2008-01-21  Richard Guenther  <rguenther@suse.de>
 629
 630         PR middle-end/34856
 631         * tree-cfg.c (verify_expr): Allow all invariant expressions
 632         instead of just constant class ones as reference argument.
 633         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
 634         like any other constant.
 635         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
 636
 637 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
 638
 639         * regmove.c (fixup_match_1): Update call crossed frequencies.
 640
 641 2008-01-21  Richard Guenther  <rguenther@suse.de>
 642
 643         PR c/34885
 644         * tree-inline.c (setup_one_parameter): Deal with mismatched
 645         types using a VIEW_CONVERT_EXPR.
 646
 647 2008-01-21  Alon Dayan  <alond@il.ibm.com>
 648             Olga Golovanevsky  <olga@il.ibm.com>
 649
 650         PR tree-optimization/34701
 651         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
 652         when the structure size is not a power of 2.
 653
 654 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
 655
 656         * doc/install.texi: Add doc for --enable-checking=df.
 657
 658 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
 659
 660         PR rtl-optimization/34808
 661         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
 662
 663 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
 664
 665         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
 666         input.
 667
 668 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
 669
 670         PR rtl-optimization/26854
 671         PR rtl-optimization/34400
 672         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
 673         DF_RD->gen.
 674         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
 675         (df_rd_bb_info.expanded_lr_out): New.
 676         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
 677         * loop_iv.c (iv_analysis_loop_init): Ditto.
 678         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
 679         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
 680         Added code to allocate, initialize or free expanded_lr_out.
 681         (df_rd_bb_local_compute_process_def): Restructured to make
 682         more understandable.
 683         (df_rd_confluence_n): Add code to do nothing with fake edges and
 684         code to no apply invalidate_by_call sets if the sets are being trimmed.
 685         (df_lr_local_finalize): Renamed to df_lr_finalize.
 686         (df_live_local_finalize): Renamed to df_live_finalize.
 687
 688 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
 689
 690         PR target/34831
 691         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
 692         deciding whether to use reciprocal instructions.
 693
 694 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
 695
 696         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
 697         dwarf2out_note_section_used if cold_text_section is NULL.
 698
 699 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
 700
 701         PR gcov-profile/34610
 702         * tree-cfg.c (make_edges): Mark both outgoing edges from
 703         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
 704         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
 705         from OMP_FOR and OMP_CONTINUE outgoing edges.
 706
 707         * tree-profile.c (tree_profiling): Return early if
 708         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
 709         at the end.
 710         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
 711         from cfun to child_cfun.
 712         * function.h (struct function): Add after_tree_profile bit.
 713
 714 2008-01-19 Anatoly Sokolov <aesok@post.ru>
 715
 716         * config/avr/avr.S (_exit): Disable interrupt.
 717
 718 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
 719             Steven Bosscher  <stevenb.gcc@gmail.com>
 720
 721         PR rtl-optimization/26854
 722         PR rtl-optimization/34400
 723         * df-problems.c (df_live_scratch): New scratch bitmap.
 724         (df_live_alloc): Allocate df_live_scratch when doing df_live.
 725         (df_live_reset): Clear the proper bitmaps.
 726         (df_live_bb_local_compute): Only process the artificial defs once
 727         since the order is not important.
 728         (df_live_init): Init the df_live sets only with the variables
 729         found live by df_lr.
 730         (df_live_transfer_function): Use the df_lr sets to prune the
 731         df_live sets as they are being computed.
 732         (df_live_free): Free df_live_scratch.
 733
 734 2008-01-18  Ian Lance Taylor  <iant@google.com>
 735
 736         * common.opt: Add fmerge-debug-strings.
 737         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
 738         flag_merge_debug_strings rather than flag_merge_constants.
 739         * doc/invoke.texi (Option Summary): Mention
 740         -fmerge-debug-strings.
 741         (Debugging Options): Document -fmerge-debug-strings.
 742
 743 2008-01-18  Ian Lance Taylor  <iant@google.com>
 744
 745         PR c++/33407
 746         * tree.h (DECL_IS_OPERATOR_NEW): Define.
 747         (struct tree_function_decl): Add new field operator_new_flag.
 748         * tree-inline.c (expand_call_inline): When inlining a call to
 749         operator new, force the return value to go into a variable, and
 750         set DECL_NO_TBAA_P on that variable.
 751         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
 752
 753 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
 754
 755         PR debug/34484
 756         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
 757         DWARF2_DEBUGGING_INFO.
 758         (dwarf2out_note_section_used): Ditto.  Add prototype.
 759         (have_multiple_function_sections, text_section_used,
 760         cold_text_section_used, *cold_text_sections): Move declarations
 761         before their uses.
 762
 763 2007-01-17  Bob Wilson  <bob.wilson@acm.org>
 764
 765         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
 766         field and add signal_ra.
 767         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
 768         assignments to frame state pc.  Move end of stack check after
 769         MD_FALLBACK_FRAME_STATE_FOR.
 770         (uw_update_context_1): Use frame state signal_regs if set, instead
 771         of checking signal_frame flag.
 772         (uw_update_context): Use frame state signal_ra if set.
 773         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
 774         * config/xtensa/linux-unwind.h: New file.
 775
 776 2007-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
 777
 778         * modulo-sched.c (get_sched_window): Fix comment typo.
 779
 780 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
 781
 782         PR tree-optimization/34648
 783         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
 784
 785 2008-01-17  Anatoly Sokolov <aesok@post.ru>
 786
 787         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
 788         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
 789
 790 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
 791
 792         PR rtl-optimization/34400
 793         * df-core.c (df_worklist_dataflow_overeager,
 794         df_worklist_dataflow_doublequeue): New functions.
 795         (df_worklist_dataflow): Two different worklist solvers.
 796         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
 797         New param.
 798
 799 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
 800
 801         PR testsuite/34821
 802         * doc/invoke.texi: Document the dependence on pthread for fopenmp
 803         and ftree-parallelize-loops.
 804
 805 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
 806
 807         PR rtl-optimization/34826
 808         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
 809
 810 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
 811
 812         * global.c (find_reg): Mark the eh regs as used if necessary.
 813         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
 814         * ra.h (struct allocno): no_eh_reg field added.  Changed
 815         no_stack_reg type to bitfield.
 816
 817 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
 818
 819         * tree.c (substitute_in_expr): Add missing 'break'.
 820
 821 2008-01-17  Richard Guenther  <rguenther@suse.de>
 822
 823         PR tree-optimization/34825
 824         * tree-ssa-math-opts.c (is_division_by): Do not recognize
 825         x / x as division to handle.
 826
 827 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 828
 829         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
 830         "-pthread" is specified.
 831         * pa-hpux11.h (LIB_SPEC): Likewise.
 832
 833 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
 834             Peter Bergner  <bergner@vnet.ibm.com>
 835
 836         PR rtl-optimization/33796
 837         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
 838
 839 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 840
 841         PR libgfortran/34699
 842         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
 843         static links.
 844         * pa-hpux10.h (LINK_SPEC): Likewise.
 845         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
 846
 847 2008-01-16  Richard Guenther  <rguenther@suse.de>
 848
 849         PR middle-end/32628
 850         * fold-const.c (fold_convert_const_int_from_int): Do not
 851         set overflow if that occured only because of a sign extension
 852         change when converting from/to a sizetype with the same
 853         precision and signedness.
 854
 855 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
 856
 857         PR debug/34249
 858         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
 859         location address to the correct place.  Update copyright year.
 860
 861 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
 862
 863         * lambda-code.c (lambda_transform_legal_p): Handle the case of
 864         no dependences in the dependence_relations vector.
 865
 866 2008-01-16  Jan Hubicka  <jh@suse.cz>
 867
 868         PR rtl-optimization/31396
 869         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
 870         * cfg.c (dump_reg_info): Print it.
 871         * regs.h (struct reg_info_t): add freq_calls_crossed.
 872         (REG_FREQ_CALLS_CROSSED): New macro.
 873         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
 874         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
 875         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
 876         regmove_optimize): Update call crossed frequencies.
 877         * local-alloc.c (struct qty): Add freq_calls_crossed.
 878         (alloc_qty): Copute freq_calls_crossed.
 879         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
 880         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
 881         * ra.h (struct allocno): Add freq_calls_crossed.
 882
 883 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
 884
 885         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
 886         libgomp when compiling with ftree-parallelize-loops.
 887         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
 888
 889 2008-01-16  Richard Guenther  <rguenther@suse.de>
 890
 891         PR tree-optimization/34769
 892         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
 893         * tree.c (int_cst_value): Instead make this function more
 894         permissive in what it accepts as valid input.  Document this
 895         function always sign-extends the value.
 896
 897 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
 898             Richard Guenther  <rguenther@suse.de>
 899
 900         PR c/34668
 901         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
 902         (gimple_fold_indirect_ref_rhs): ... this.
 903         (gimple_fold_indirect_ref): New function with foldings
 904         that preserve lvalueness.
 905         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
 906         * tree-flow.h (gimple_fold_indirect_ref): Declare.
 907         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
 908         to fold an INDIRECT_REF, fall back to the old use of
 909         fold_indirect_ref_1.
 910
 911 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
 912
 913         * tree-data-ref.c (subscript_dependence_tester_1): Call
 914         free_conflict_function.
 915         (compute_self_dependence): Same.
 916
 917 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
 918
 919         PR debug/34249
 920         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
 921         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
 922         function global.
 923         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
 924         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
 925         for DWARF2_UNWIND_INFO targets.
 926
 927 2008-01-16  Richard Guenther  <rguenther@suse.de>
 928
 929         PR c/34768
 930         * c-typeck.c (common_pointer_type): Do not merge inconsistent
 931         type qualifiers for function types.
 932
 933 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 934
 935         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
 936         loop_iterator li from previous commit.
 937
 938 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
 939
 940         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
 941
 942 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
 943
 944         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
 945         (parallelize_loops): Don't parallelize irreducible components.
 946
 947 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 948
 949         PR c++/24924
 950         * c-opts (c_common_post_options): Do not enable CPP
 951         flag_pedantic_errors by default.
 952
 953 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
 954
 955         PR rtl-optimization/31944
 956         * cse.c (remove_pseudo_from_table): New function.
 957         (merge_equiv_classes): Use above function to remove pseudo-registers.
 958         (invalidate): Likewise.
 959
 960 2008-01-13  Richard Guenther  <rguenther@suse.de>
 961
 962         PR middle-end/34601
 963         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
 964         instead of TYPE_MODE to deal with calls from expand_one_error_var.
 965
 966 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
 967
 968         * gcse.c (cprop_jump): Call validate_unshare_change instead of
 969         validate_change to unshare the source of the PC set.
 970
 971 2008-01-12  Jan Hubicka  <jh@suse.cz>
 972
 973         PR middle-end/32135
 974         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
 975         references above array bounds.  This might trigger bounds checks for
 976         pointers to arrays.
 977
 978 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
 979
 980         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
 981         new_replaceable_dependencies.
 982
 983 2008-01-12  Doug Kwan  <dougkwan@google.com>
 984
 985         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
 986         instead of OPT_Wreturn_type in warning due to ignored return type
 987         qualifiers.
 988         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
 989         options included in -Wextra.
 990         * c.opt: New option -Wignored_qualifiers.
 991         * doc/invoke.texi (Warning Options, -Wextra): Add new option
 992         -Wignore_qualifiers.
 993         (-Wignored-qualifiers): Document.
 994         (-Wreturn-type): Remove description of functionality now handled
 995         by -Wignored-qualifiers.
 996
 997 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
 998
 999         PR ada/33788
1000         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
1001         NOP_EXPR if it is between integral types with the same precision.
1002
1003 2008-01-12  Jan Hubicka  <jh@suse.cz>
1004
1005         PR other/28023
1006         * invoke.texi (max-inline-recursive-depth): Fix default value.
1007
1008 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
1009
1010         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
1011         correct type.
1012
1013 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
1014
1015         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
1016
1017 2008-01-11  James E. Wilson  <wilson@specifix.com>
1018
1019         PR target/26015
1020         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
1021
1022 2008-01-11  Anatoly Sokolov <aesok@post.ru>
1023
1024         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
1025         save/restore frame pointer register and don't use 'call-prologues'
1026         optimization in function with "OS_task" attribute.
1027
1028 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1029
1030         PR middle-end/31309
1031         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
1032         when copying to memory.
1033
1034 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
1035
1036         PR rtl-optimization/30905
1037         * cfgcleanup.c: Include dce.h
1038         (crossjumps_occured): New global variable.
1039         (try_crossjump_bb): Exit loop after finding a fallthru edge.
1040         If something changed, set crossjumps_occured to true.
1041         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
1042         Don't add/remove fake edges to exit here...
1043         (cleanup_cfg): ...but do it here, when crossjumping.
1044         Run a fast DCE when successful crossjumps occured in the latest
1045         iteration of try_optimize_cfg.
1046
1047 2008-01-11  Richard Guenther  <rguenther@suse.de>
1048
1049         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
1050         (struct vn_unary_op_s): Likewise.
1051         (vn_reference_insert): Free old reference on hash collision.
1052
1053 2008-01-10  Raksit Ashok  <raksit@google.com>
1054
1055         PR rtl-optimization/27971
1056         * combine.c (find_split_point): Split PLUS expressions which are
1057         inside a MEM rtx, and whose first operand is complex.
1058
1059 2008-01-10  DJ Delorie  <dj@redhat.com>
1060
1061         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
1062         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
1063         (m32c_hard_regno_ok): Call the underlying function.
1064
1065 2008-01-10  Richard Guenther  <rguenther@suse.de>
1066
1067         PR middle-end/34683
1068         * tree-cfg.c (tree_merge_blocks): Do not go through the
1069         full-blown folding and stmt updating path if we just deal
1070         with virtual operands.
1071         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
1072         test for abnormal SSA_NAMEs.
1073
1074 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
1075
1076         PR middle-end/34641
1077         * reload.c (push_reload): Add assertions.  All constants from
1078         reg_equiv_constant should have been used for replacing the respective
1079         pseudo earlier.
1080         (find_reloads_address): Invoke find_reloads_address_part for
1081         constant taken from the reg_equiv_constant array.
1082
1083 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
1084
1085         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
1086         field (valnum) the first in the struct.  Replace bools with
1087         unit bit fields.
1088
1089 2008-01-10  Richard Guenther  <rguenther@suse.de>
1090
1091         PR tree-optimization/34651
1092         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
1093         types and ordering for masking and converting.
1094
1095 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
1096
1097         PR tree-optimization/34017
1098         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
1099         also for PHI_NODE expressions.
1100
1101 2008-01-09  Jan Hubicka  <jh@suse.cz>
1102
1103         PR tree-optimization/34708
1104         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
1105         based on number of case labels.
1106         (init_inline_once): Remove switch_cost.
1107         * tree-inline.h (eni_weights_d): Remove switch_cost.
1108
1109 2008-01-09  Richard Guenther  <rguenther@suse.de>
1110         Andrew Pinski  <andrew_pinski@playstation.sony.com>
1111
1112         PR middle-end/30132
1113         * gimplify.c (gimplify_cond_expr): Do not create an addressable
1114         temporary if an rvalue is ok or an lvalue is not required.
1115
1116 2008-01-09  Richard Guenther  <rguenther@suse.de>
1117
1118         PR middle-end/34458
1119         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
1120         adjust return type.
1121
1122 2008-01-09  Richard Guenther  <rguenther@suse.de>
1123
1124         PR middle-end/34679
1125         * tree.c (host_integerp): Check for sizetype only if the
1126         type is an integer type.
1127
1128 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
1129
1130         PR debug/26364
1131         * opts.c (decode_options): Disable inlining of functions called
1132         once if not in unit-at-a-time mode.
1133
1134 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
1135
1136         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
1137
1138 2008-01-08  Richard Guenther  <rguenther@suse.de>
1139
1140         PR middle-end/31863
1141         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
1142         out early if the result will be unused.
1143
1144 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
1145
1146         PR target/34709
1147         Revert:
1148
1149         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
1150         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1151         for TARGET_RECIP.
1152
1153 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
1154
1155         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
1156         for vectorization tuned.
1157
1158 2008-01-08  Richard Guenther  <rguenther@suse.de>
1159
1160         PR tree-optimization/34683
1161         * tree-ssa-operands.c (operand_build_cmp): Export.
1162         * tree-ssa-operands.h (operand_build_cmp): Declare.
1163         * tree-vn.c (vuses_compare): Remove.
1164         (sort_vuses): Use operand_build_cmp.
1165         (sort_vuses_heap): Likewise.
1166         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
1167         to re-use old VEC if available.  Do not sort already sorted VUSEs.
1168         (vdefs_to_vec): Do not sort already sorted VDEFs.
1169
1170 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
1171
1172         PR middle-end/34694
1173         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
1174
1175 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
1176
1177         PR target/34702
1178         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
1179         limitations of reciprocal sequences on x86 targets.
1180
1181 2008-01-08  Richard Guenther  <rguenther@suse.de>
1182
1183         PR tree-optimization/34683
1184         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
1185
1186 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
1187
1188         PR target/34622
1189         * config/darwin.c (darwin_mergeable_string_section): Don't use
1190         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
1191
1192 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
1193
1194         PR target/34682
1195         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
1196         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
1197         predicates of op0 and op1 to register_operand.
1198         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
1199         expander using X87MODEF mode iterator.  Change predicates of
1200         op0 and op1 to register_operand.
1201         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
1202         corresponding patterns and macroize using MODEF macro.  Change
1203         predicates of op0 and op1 to register_operand and remove
1204         "m" constraint. Disparage "r" alternative with "!".
1205         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
1206         macroize using X87MODEF macro.  Change predicates of op0 and op1
1207         to register_operand and remove "m" constraint.  Disparage "r"
1208         alternative with "!".
1209         (absneg splitter with memory operands): Remove.
1210         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
1211         patterns and macroize using X87MODEF mode iterator.
1212         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
1213         Change predicate of op1 to register_operand.
1214         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
1215         for memory operands.
1216
1217 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
1218
1219         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
1220
1221 2008-01-07  Richard Guenther  <rguenther@suse.de>
1222
1223         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
1224         fields.
1225
1226 2008-01-07  Richard Guenther  <rguenther@suse.de>
1227
1228         PR tree-optimization/34683
1229         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
1230         VOPs of the needed size to save memory.  Use VEC_quick_push
1231         to save compile-time.
1232         (vdefs_to_vec): Likewise.
1233
1234 2008-01-07  Sa Liu  <saliu@de.ibm.com>
1235
1236         * config/spu/spu.md (divdf3): Genetate inline code for double
1237         division.  The implementation doesn't handle INF or NAN, therefore it
1238         only applies when -ffinite-math-only is given.
1239
1240 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
1241
1242         PR libstdc++/34680
1243         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
1244         * doc/cpp.texi ([Common Predefined Macros]): Document.
1245
1246 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
1247
1248         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
1249         order to use commutative addition instead of subtraction.
1250
1251 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1252             Mircea Namolaru  <namolaru@il.ibm.com>
1253             Vladimir Yanovsky  <yanov@il.ibm.com>
1254             Revital Eres  <eres@il.ibm.com>
1255
1256         PR tree-optimization/34263
1257         * tree-outof-ssa.c (process_single_block_loop_latch,
1258         contains_tree_r): New functions.
1259         (analyze_edges_for_bb): Call process_single_block_loop_latch
1260         function to empty single-basic-block latch block if possible.
1261
1262 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
1263
1264         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1265         for TARGET_RECIP.
1266         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
1267
1268 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
1269
1270         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
1271
1272 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
1273
1274         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
1275
1276 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
1277
1278         PR tree-optimization/34618
1279         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
1280         flag from T.
1281
1282 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
1283
1284         PR target/34673
1285         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
1286         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
1287         Update copyright year.
1288
1289         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
1290         Update copyright year.
1291         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
1292         using NR fixup.
1293
1294 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
1295
1296         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
1297         edge does not point to current bb before changing need_assert.
1298
1299 2008-01-04  Richard Guenther  <rguenther@suse.de>
1300
1301         PR middle-end/34029
1302         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
1303         for verifying purposes if they are is_gimple_min_invariant.
1304
1305 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
1306
1307         PR tree-optimization/34448
1308         PR tree-optimization/34465
1309         * gimplify.c (gimplify_init_constructor): Add new parameter
1310         notify_temp_creation.  Use it.
1311         (gimplify_modify_expr_rhs): Take volatiles into account when
1312         optimizing constructors.
1313         Do not optimize constructors if gimplify_init_constructor will dump to
1314         memory.
1315         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
1316         * gcc.c-torture/compile/pr34448.c: New.
1317
1318 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
1319
1320         PR gcov-profile/34609
1321         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
1322         return_slot if result is TREE_ADDRESSABLE.
1323
1324 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
1325
1326         * config/mips/mips.md (sqrt_condition): Tweak comment.
1327         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
1328
1329 2008-01-03  Tom Tromey  <tromey@redhat.com>
1330
1331         PR c/34457
1332         * c-common.c (c_type_hash): Handle VLAs.
1333
1334 2008-01-03  Jan Hubicka  <jh@suse.cz>
1335
1336         PR tree-optimization/31081
1337         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
1338         0 when inlining and not inlining to first basic block.
1339         (remap_decl): When var is initialized to 0, don't set default_def.
1340         (expand_call_inline): Set entry_bb.
1341         * tree-inline.h (copy_body_data): Add entry_bb.
1342
1343 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
1344
1345         PR c++/34619
1346         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
1347         before returning.
1348
1349         PR tree-optimization/29484
1350         * tree-inline.c (inline_forbidden_p_2): New function.
1351         (inline_forbidden_p): Disallow inlining if some static var
1352         has an address of a local LABEL_DECL in its initializer.
1353         * doc/extend.texi (Labels as Values): Document &&foo behaviour
1354         vs. inlining.
1355
1356 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
1357
1358         PR tree-optimization/34635
1359         * tree-data-ref.c (add_other_self_distances): Make sure that the
1360         evolution step is constant.
1361
1362 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
1363
1364         PR middle-end/34608
1365         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
1366
1367 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
1368
1369         * tree-sra.c (scalarize_init): Insert the generate_element_init
1370         statements after the generate_element_zero statements.
1371
1372 2008-01-02  Richard Guenther  <rguenther@suse.de>
1373
1374         PR middle-end/34093
1375         PR middle-end/31976
1376         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
1377         for very large number of operands instead of ICEing.
1378
1379 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
1380
1381         PR target/34013
1382         * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
1383         while stack probing.
1384
1385 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
1386
1387         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
1388         in C++0x mode.
1389
1390 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
1391
1392         PR libmudflap/26442
1393         * tree-mudflap.c (mx_register_decls): Guard warning by
1394         !DECL_ARTIFICIAL check.
1395
1396 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
1397
1398         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
1399         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
1400         sse5_perm<mode>): Fix constraints.