gcc/ChangeLog

   1 2008-01-30  Richard Henderson  <rth@redhat.com>
   2
   3         PR c/34993
   4         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
   5         for unbounded arrays.
   6
   7 2008-01-30  Silvius Rus  <rus@google.com>
   8
   9         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
  10
  11 2008-01-30  Jan Hubicka  <jh@suse.cz>
  12
  13         PR target/34982
  14         * i386.c (init_cumulative_args): Use real function declaration when
  15         calling locally.
  16
  17 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
  18
  19         PR rtl-optimization/34998
  20         * global.c (build_insn_chain): Treat non-subreg_lowpart
  21         SUBREGs of pseudos as clobbering all the words covered by the
  22         SUBREG, not just all the bytes.
  23         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
  24         original df_ref rather than an extract parameter.
  25         (global_conflicts): Update call accordingly.
  26
  27 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
  28
  29         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
  30         the overflow check to make it easier to read.
  31         (__fixtfdi): Change the type of the ll member in union
  32         long_double to UDItype_x.
  33
  34 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
  35
  36         PR middle-end/34969
  37         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
  38         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
  39         * tree-inline.c (fold_marked_statements): Call
  40         cgraph_update_edges_for_call_stmt if folding a call statement.
  41         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
  42         debug_generic_stmt calls, reset it back afterwards.
  43
  44         PR c/35017
  45         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
  46         static decls.
  47         * c-typeck.c (build_external_ref): Don't pedwarn about
  48         static vars in current function's scope.
  49
  50 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
  51
  52         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
  53
  54 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
  55
  56         PR c/35002
  57         * ipa-struct-reorg.c: Fix spelling.
  58         * params.def: Ditto.
  59
  60 2008-01-29  Richard Guenther  <rguenther@suse.de>
  61
  62         PR middle-end/35006
  63         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
  64         field.
  65         * tree-inline.c (remap_type): Increment remapping_type_depth
  66         around remapping types.
  67         (copy_body_r): Only add referenced variables if they are referenced
  68         from code, not types.
  69
  70 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
  71
  72         PR c++/34055
  73         PR c++/34103
  74         PR c++/34219
  75         PR c++/34606
  76         PR c++/34753
  77         PR c++/34754
  78         PR c++/34755
  79         PR c++/34919
  80         PR c++/34961
  81         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
  82         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
  83
  84 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
  85
  86         PR target/34412
  87         * config/avr/avr.c (expand_prologue): Use correct QI mode frame
  88         pointer for tiny stack.
  89
  90 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
  91
  92         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
  93
  94 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
  95
  96         * config/vx-common.h: Fix typo in comment.
  97
  98 2008-01-28  Ian Lance Taylor  <iant@google.com>
  99
 100         PR c++/34862
 101         PR c++/33407
 102         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
 103         coalesce pointers if they have different DECL_NO_TBAA_P values.
 104         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
 105         between variables with different DECL_NO_TBAA_P values.
 106
 107 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
 108
 109         PR 31535
 110         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
 111         are not legitimate small data references on SPE targets.
 112
 113 2008-01-28  David Daney  <ddaney@avtrex.com>
 114
 115         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
 116
 117 2008-01-28  David Daney  <ddaney@avtrex.com>
 118
 119         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
 120
 121 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
 122
 123         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
 124         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
 125         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
 126         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
 127         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
 128         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
 129         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
 130         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
 131
 132 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
 133
 134         * basic-block.h (condjump_equiv_p): Fix comment.
 135
 136 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
 137
 138         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
 139         print_generic_stmt_indented): Fix comment.
 140
 141 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
 142
 143         * configure.ac (__stack_chk_fail): Add detecion for availability
 144         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
 145         * configure: Regenerate.
 146
 147 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
 148
 149         PR middle-end/34688
 150         * final.c (output_addr_const): Handle TRUNCATE.
 151
 152 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
 153
 154         PR target/34711
 155         * tree-ssa-loop-ivopts.c (comp_cost): New type.
 156         (zero_cost, infinite_cost): New constants.
 157         (struct cost_pair): Change type of cost to comp_cost.
 158         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
 159         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
 160         New functions.
 161         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
 162         split_address_cost, ptr_difference_cost, difference_cost,
 163         get_computation_cost_at, get_computation_cost,
 164         determine_use_iv_cost_generic, determine_use_iv_cost_address,
 165         determine_use_iv_cost_condition, determine_use_iv_costs,
 166         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
 167         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
 168         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
 169         Change type of cost to comp_cost.
 170         (determine_iv_cost): Increase cost of non-original ivs, instead
 171         of decreasing the cost of original ones.
 172         (get_address_cost): Indicate the complexity of the addressing mode
 173         in comp_cost.
 174         (try_add_cand_for): Prefer using ivs not specific to some object.
 175         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
 176
 177 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
 178             Janis Johnson  <janis187@us.ibm.com>
 179
 180         PR target/34814
 181         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
 182         (TARGET_INSTANTIATE_DECLS): Likewise.
 183         * target.h (expand_to_rtl_hook): New target hook.
 184         (instantiate_decls): Likewise.
 185         * function.c (instantiate_decl): Make non-static.  Rename to...
 186         (instantiate_decl_rtl): ... this.
 187         (instantiate_expr): Use instantiate_decl_rtl.
 188         (instantiate_decls_1): Likewise.
 189         (instantiate_decls): Likewise.
 190         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
 191         * function.h (instantiate_decl_rtl): Add prototype.
 192         * cfgexpand.c (target.h): New include.
 193         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
 194         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
 195         (TARGET_INSTANTIATE_DECLS): Likewise.
 196         (TARGET_INITIALIZER): New target hooks added.
 197         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
 198         New prototype.
 199         * config/rs6000/rs6000.c (tree-flow.h): New include.
 200         (machine_function): Add sdmode_stack_slot field.
 201         (rs6000_alloc_sdmode_stack_slot): New function.
 202         (rs6000_instantiate_decls): Likewise.
 203         (rs6000_secondary_memory_needed_rtx): Likewise.
 204         (rs6000_check_sdmode): Likewise.
 205         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
 206         (TARGET_INSTANTIATE_DECLS): Likewise.
 207         (rs6000_hard_regno_mode_ok): Allow SDmode.
 208         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
 209         (rs6000_emit_move): Handle SDmode.
 210         (function_arg_advance): Likewise.
 211         (function_arg): Likewise.
 212         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
 213         SDmode var args for 32-bit compiles.
 214         (rs6000_secondary_reload_class): Handle SDmode.
 215         (rs6000_output_function_epilogue): Likewise.
 216         (rs6000_function_value): Simplify if statement.
 217         (rs6000_libcall_value): Likewise.
 218         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
 219         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
 220         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
 221         (movsd_hardfloat): New define_insn.
 222         (movsd_softfloat): Likewise.
 223         (movsd_store): Likewise.
 224         (movsd_load): Likewise.
 225         (extendsddd2): Likewise.
 226         (extendsdtd2): Likewise.
 227         (truncddsd2): Likewise.
 228         (movdd_hardfloat64): Fixup comment.
 229         (UNSPEC_MOVSD_LOAD): New constant.
 230         (UNSPEC_MOVSD_STORE): Likewise.
 231
 232 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
 233
 234         PR c++/34965
 235         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
 236         TRUTH_XOR_EXPR.
 237         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
 238         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
 239         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
 240         and TRUTH_XOR_EXPR.
 241
 242 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
 243
 244         PR target/34794
 245         * config.gcc: Separate AIX 5.3 from AIX 6.1.
 246         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
 247         __LONGDOUBLE128 too.
 248         * config/rs6000/aix61.h: New file.
 249
 250 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
 251
 252         PR rtl-optimization/34959
 253         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
 254         popcount and parity rtxes the same mode as their operand.
 255         Truncate or extend the result to the return value's mode
 256         if necessary.
 257
 258 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
 259
 260         PR target/34981
 261         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
 262         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
 263         to GOT_VERSION_REGNUM.
 264         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
 265         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
 266         * config/mips/mips.c (mips_emit_call_insn): New function.
 267         (mips_call_tls_get_addr): Call mips_expand_call directly.
 268         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
 269         emit_call_insn.
 270         (mips16_build_call_stub): Likewise.  Return the call insn or null.
 271         (mips_expand_call): Update the call to mips16_build_call_stub
 272         accordingly and a remove redundant condition.  Assert that MIPS16
 273         stubs do not use lazy binding.  Use mips_emit_call_insn and return
 274         the call insn.
 275         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
 276         TARGET_USE_GOT.
 277         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
 278         (mips_avoid_hazard): Remove hazard_set handling.
 279         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
 280         (UNSPEC_RESTORE_GP): ...this.
 281         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
 282         (FAKE_CALL_REGNO): Rename to...
 283         (GOT_VERSION_REGNUM): ...this.
 284         (type): Add "ghost" value.  Add an associated insn reservation.
 285         (hazard_set): Remove.
 286         (exception_receiver): Rename to...
 287         (restore_gp): ...this and update the unspec identifier accordingly.
 288         (exception_receiver, nonlocal_got_receiver): New expanders.
 289         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
 290         FAKE_CALL_REGNO.  Remove hazard_set attribute.
 291         (set_got_version, update_got_version): New patterns.
 292
 293 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
 294
 295         PR target/34970
 296         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
 297
 298 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
 299
 300         PR other/31955
 301         * doc/install.texi2html: Generate gcc-vers.texi.
 302
 303 2008-01-25  DJ Delorie  <dj@redhat.com>
 304
 305         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
 306
 307 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
 308
 309         * config/c4x: Remove directory.
 310         * config.gcc (crx-*, mt-*): Mark obsolete.
 311         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
 312         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
 313         sh-*-rtemscoff*): Remove cases.
 314         * defaults.h (C4X_FLOAT_FORMAT): Remove.
 315         * real.c (encode_c4x_single, decode_c4x_single,
 316         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
 317         c4x_extended_format): Remove.
 318         * real.h (c4x_single_format, c4x_extended_format): Remove.
 319         * doc/extend.texi (interrupt, naked): Remove mention of attributes
 320         on C4x.
 321         (Pragmas): Remove comment about c4x pragmas.
 322         * doc/install.texi (c4x): Remove target-specific instructions.
 323         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
 324         * doc/md.texi (Machine Constraints): Remove C4x documentation.
 325         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
 326         refer to C4x source files as examples.
 327         (C4X_FLOAT_FORMAT): Remove documentation.
 328
 329 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
 330
 331         * config/bfin/bfin.c (override_options): Reorder tests so that
 332         flag_pic gets enabled for -msep-data.
 333
 334 2008-01-25  Richard Guenther  <rguenther@suse.de>
 335
 336         PR middle-end/32244
 337         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
 338         to its bitfield precision if required.
 339
 340 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
 341
 342         PR middle-end/33880
 343         * tree-nested.c (walk_omp_for): New function.
 344         (convert_nonlocal_reference, convert_local_reference): Call
 345         walk_omp_for on OMP_FOR.
 346         (convert_call_expr): Call walk_body on OMP_FOR's
 347         OMP_FOR_PRE_INIT_BODY.
 348
 349 2008-01-25  Richard Guenther  <rguenther@suse.de>
 350
 351         PR tree-optimization/34966
 352         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
 353         default defs and PHI_NODEs we have to insert after the
 354         defining statement.
 355
 356 2008-01-24  Nick Clifton  <nickc@redhat.com>
 357
 358         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
 359         Provide a default definition.
 360         (LIBGCC2_UNITS_PER_WORD): Likewise.
 361
 362         * config/stormy16/stormy16.c: Include df.h for the prototype
 363         for df_regs_ever_live_p.
 364         (xstormy16_expand_builtin_va_start): Convert the stack offset
 365         into a component_ref and then use POINTER_PLUS_EXPR to add it
 366         to the incoming_virtual_args_rtx.
 367         (xstormy16_gimplify_va_arg_expr): Rename to
 368         xstormy16_gimplify_va_arg_expr.
 369         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
 370         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
 371         xstormy16_gimplify_va_arg_expr.
 372         Fix up some formatting issues.
 373
 374         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
 375         Move to predicates.md.
 376         (xs_hi_general_operand): Likewise.
 377         (xs_hi_nonmemory_operand): Likewise.
 378         * config/stormy16/predicates.md:
 379         (xstormy16_carry_plus_operand): New predicate.
 380         (xs_hi_general_operand): New predicate.
 381         (xs_hi_nonmemory_operand): New predicate.
 382         * config/stormy16/stormy16-protos.h:
 383         (xstormy16_carry_plus_operand): Delete prototype.
 384         (xs_hi_general_operand): Likewise.
 385         (xs_hi_nonmemory_operand): Likewise.
 386
 387         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
 388         modifiers as they are no longer needed and they can trigger
 389         reload spill failures.
 390
 391         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
 392         with a match_operand in order to help reload.
 393
 394         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
 395         constraint with 'e' for the 8th alternative as this version of
 396         the mov.w instruction only accepts the lower 8 registers.
 397
 398 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
 399
 400         PR target/34856
 401         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
 402         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
 403         vector elements.
 404
 405 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
 406
 407         PR middle-end/33333
 408         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
 409
 410 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
 411
 412         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
 413         New functions.
 414         (remove_structure): Update allocations list before removing structure.
 415
 416 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
 417
 418         * ipa-struct-reorg.c (is_safe_cond_expr,
 419         create_new_stmts_for_cond_expr): Use integer_zerop function,
 420         that recognize not only zero-pointer, but zero-integer too.
 421
 422 2008-01-25  Ben Elliston  <bje@au.ibm.com>
 423
 424         PR other/22232
 425         * fixproto: Escape "." in sed expression that strips leading "./".
 426
 427 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
 428
 429         PR driver/34904
 430         * gcc.c (SWITCH_OK): Removed.
 431         (SWITCH_LIVE): Changed to bit.
 432         (SWITCH_FALSE): Likewise.
 433         (SWITCH_IGNORE): Likewise.
 434         (switchstr): Change live_cond to unsigned int.
 435         (process_command): Replace SWITCH_OK with 0.
 436         (do_self_spec): Likewise.
 437         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
 438         (give_switch): Likewise.
 439         (used_arg): Likewise.
 440         (do_spec_1): Set the SWITCH_IGNORE bit.
 441         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
 442         bits.  Set the SWITCH_LIVE bit.
 443
 444 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
 445
 446         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
 447
 448 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
 449
 450         PR tree-optimization/34472
 451         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
 452         parameter to a "bool *" and set *DATA to false if there is
 453         an unsafe access.  Do not delete the structure here.
 454         (check_cond_exprs): Delete it here instead.
 455         (check_cond_exprs, exclude_cold_structs): Do not increase
 456         I when removing a structure.
 457
 458 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
 459
 460         PR target/34856
 461         * config/i386/i386.c (ix86_expand_vector_init): Consider only
 462         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
 463
 464 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
 465
 466         PR middle-end/34934
 467         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
 468         a fixed vector for stack.
 469
 470 2008-01-24  Ben Elliston  <bje@au.ibm.com>
 471
 472         PR c++/25701
 473         * doc/gcc.texi (Software development): Add a direntry for g++.
 474
 475 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
 476
 477         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
 478         stale and straggling -fforce-addr comments above.
 479
 480         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
 481         define.
 482         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
 483         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
 484
 485 2008-01-23  Michael Matz  <matz@suse.de>
 486
 487         PR debug/34895
 488         * dwarf2out.c (force_type_die): Use modified_type_die instead of
 489         gen_type_die.
 490
 491 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
 492
 493         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
 494         malloc result type.
 495
 496 2008-01-23 Anatoly Sokolov <aesok@post.ru>
 497
 498         * config/avr/avr.c (avr_current_arch): New variable.
 499         (avr_arch_types): Add 'avr31' and 'avr51' entries.
 500         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
 501         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
 502         (avr_override_options): Init 'avr_current_arch'.
 503         (base_arch_s): Move from here...
 504         * config/avr/avr.h (base_arch_s): ... here. Add new members
 505         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
 506         'mega' to 'have_jmp_call'.
 507         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
 508         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
 509         macros.
 510         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
 511         architectures.
 512         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
 513         MULTILIB_MATCHES): (Ditto.).
 514
 515 2008-01-23  Richard Guenther  <rguenther@suse.de>
 516
 517         PR middle-end/31529
 518         * cgraphunit.c (cgraph_reset_node): Always mark the node
 519         not reachable if it is not queued already.
 520
 521 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
 522
 523         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
 524         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
 525         (cputype_selected): New static variable.
 526         (bfin_handle_option): Set it if -mcpu is used.
 527         (override_option): Select default set of workarounds if no cpu type
 528         selected on the command line.
 529         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
 530
 531         From  Michael Frysinger  <michael.frysinger@analog.com>
 532         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
 533         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
 534
 535         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
 536         for bf547, bf523, bf524, and bf526.
 537         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
 538         bf526.
 539         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
 540         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
 541         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
 542         __ADSPBF547__ and __ADSPBF54x__ for bf547.
 543         * doc/invoke.texi (Blackfin Options): Document that
 544         -mcpu now accept bf547, bf523, bf524, and bf526.
 545
 546 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
 547
 548         PR rtl-optimization/34628
 549         * combine.c (try_combine): Stop and undo after the first combination
 550         if an autoincrement side-effect on the first insn has effectively
 551         been lost.
 552
 553 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
 554
 555         PR target/34529
 556         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
 557         Offset addresses are not valid for Altivec or paired float modes.
 558
 559 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
 560
 561         PR c++/34607
 562         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
 563         if DECL_INITIAL (decl) is error_mark_node.
 564
 565         PR c++/34914
 566         * c-common.c (handle_vector_size_attribute): Only allow
 567         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
 568         the same way as pointer, array etc. types.
 569         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
 570
 571         PR c++/34917
 572         * tree.c (build_type_attribute_qual_variant): Call
 573         build_qualified_type if attributes are equal, but quals are not.
 574
 575 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 576
 577         PR 32102
 578         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
 579         * flags.h (warn_strict_aliasing): Remove.
 580         (warn_strict_overflow): Remove.
 581         * opts.c (warn_strict_aliasing): Remove.
 582         (warn_strict_overflow): Remove.
 583         * c-opts.c (c_common_handle_option): -Wall only sets
 584         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
 585         (c_common_post_options): Give default values to -Wstrict-aliasing
 586         and -Wstrict-overflow if they are uninitialized.
 587         * common.opt (Wstrict-aliasing): Specify Var and Init.
 588         (Wstrict-overflow): Likewise.
 589
 590 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
 591
 592         PR rtl-optimization/26854
 593         PR rtl-optimization/34400
 594         PR rtl-optimization/34884
 595         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
 596         DF_RD->gen.
 597         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
 598         (df_rd_bb_info.expanded_lr_out): Deleted
 599         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
 600         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
 601         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
 602         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
 603         Removed code to allocate, initialize or free expanded_lr_out.
 604         (df_rd_bb_local_compute_process_def): Restructured to make more
 605         understandable.
 606         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
 607         sets if the sets are being trimmed.
 608
 609 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
 610
 611         PR bootstrap/32287
 612         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
 613         (as_vers): Likewise.
 614         * configure: Regenerated.
 615
 616 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 617
 618         PR middle-end/33092
 619         * tree-pass.h (pass_build_alias): New pass.
 620         * tree-ssa-alias.c (gate_build_alias): New.
 621         (pass_build_alias): New.
 622         * passes.c (init_optimization_passes): Add pass_build_alias after
 623         pass_create_structure_vars.
 624
 625 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
 626
 627         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
 628         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
 629         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
 630         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
 631         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
 632         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
 633         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
 634         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
 635         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
 636         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
 637         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
 638         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
 639         * config/s390/s390.md (FP_ALL): New mode iterator.
 640         (_d): New mode attribute.
 641         ("*signbit<mode>2>"): Changed mode of first operand.
 642         ("isinf<mode>2"): Changed mode of first operand.
 643         ("*TDC_insn"): Adaptation for DFP modes.
 644
 645 2008-01-22  Ben Elliston  <bje@au.ibm.com>
 646
 647         * tree.c (check_qualified_type): Improve function description.
 648
 649 2008-01-21  Jason Merrill  <jason@redhat.com>
 650
 651         PR c++/34196
 652         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
 653         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
 654         if it is set.
 655
 656 2008-01-21  DJ Delorie  <dj@redhat.com>
 657
 658         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
 659         return zero.
 660
 661 2008-01-21  Richard Guenther  <rguenther@suse.de>
 662
 663         PR middle-end/34856
 664         * tree-cfg.c (verify_expr): Allow all invariant expressions
 665         instead of just constant class ones as reference argument.
 666         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
 667         like any other constant.
 668         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
 669
 670 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
 671
 672         * regmove.c (fixup_match_1): Update call crossed frequencies.
 673
 674 2008-01-21  Richard Guenther  <rguenther@suse.de>
 675
 676         PR c/34885
 677         * tree-inline.c (setup_one_parameter): Deal with mismatched
 678         types using a VIEW_CONVERT_EXPR.
 679
 680 2008-01-21  Alon Dayan  <alond@il.ibm.com>
 681             Olga Golovanevsky  <olga@il.ibm.com>
 682
 683         PR tree-optimization/34701
 684         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
 685         when the structure size is not a power of 2.
 686
 687 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
 688
 689         * doc/install.texi: Add doc for --enable-checking=df.
 690
 691 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
 692
 693         PR rtl-optimization/34808
 694         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
 695
 696 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
 697
 698         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
 699         input.
 700
 701 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
 702
 703         PR rtl-optimization/26854
 704         PR rtl-optimization/34400
 705         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
 706         DF_RD->gen.
 707         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
 708         (df_rd_bb_info.expanded_lr_out): New.
 709         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
 710         * loop_iv.c (iv_analysis_loop_init): Ditto.
 711         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
 712         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
 713         Added code to allocate, initialize or free expanded_lr_out.
 714         (df_rd_bb_local_compute_process_def): Restructured to make
 715         more understandable.
 716         (df_rd_confluence_n): Add code to do nothing with fake edges and
 717         code to no apply invalidate_by_call sets if the sets are being trimmed.
 718         (df_lr_local_finalize): Renamed to df_lr_finalize.
 719         (df_live_local_finalize): Renamed to df_live_finalize.
 720
 721 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
 722
 723         PR target/34831
 724         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
 725         deciding whether to use reciprocal instructions.
 726
 727 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
 728
 729         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
 730         dwarf2out_note_section_used if cold_text_section is NULL.
 731
 732 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
 733
 734         PR gcov-profile/34610
 735         * tree-cfg.c (make_edges): Mark both outgoing edges from
 736         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
 737         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
 738         from OMP_FOR and OMP_CONTINUE outgoing edges.
 739
 740         * tree-profile.c (tree_profiling): Return early if
 741         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
 742         at the end.
 743         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
 744         from cfun to child_cfun.
 745         * function.h (struct function): Add after_tree_profile bit.
 746
 747 2008-01-19 Anatoly Sokolov <aesok@post.ru>
 748
 749         * config/avr/avr.S (_exit): Disable interrupt.
 750
 751 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
 752             Steven Bosscher  <stevenb.gcc@gmail.com>
 753
 754         PR rtl-optimization/26854
 755         PR rtl-optimization/34400
 756         * df-problems.c (df_live_scratch): New scratch bitmap.
 757         (df_live_alloc): Allocate df_live_scratch when doing df_live.
 758         (df_live_reset): Clear the proper bitmaps.
 759         (df_live_bb_local_compute): Only process the artificial defs once
 760         since the order is not important.
 761         (df_live_init): Init the df_live sets only with the variables
 762         found live by df_lr.
 763         (df_live_transfer_function): Use the df_lr sets to prune the
 764         df_live sets as they are being computed.
 765         (df_live_free): Free df_live_scratch.
 766
 767 2008-01-18  Ian Lance Taylor  <iant@google.com>
 768
 769         * common.opt: Add fmerge-debug-strings.
 770         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
 771         flag_merge_debug_strings rather than flag_merge_constants.
 772         * doc/invoke.texi (Option Summary): Mention
 773         -fmerge-debug-strings.
 774         (Debugging Options): Document -fmerge-debug-strings.
 775
 776 2008-01-18  Ian Lance Taylor  <iant@google.com>
 777
 778         PR c++/33407
 779         * tree.h (DECL_IS_OPERATOR_NEW): Define.
 780         (struct tree_function_decl): Add new field operator_new_flag.
 781         * tree-inline.c (expand_call_inline): When inlining a call to
 782         operator new, force the return value to go into a variable, and
 783         set DECL_NO_TBAA_P on that variable.
 784         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
 785
 786 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
 787
 788         PR debug/34484
 789         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
 790         DWARF2_DEBUGGING_INFO.
 791         (dwarf2out_note_section_used): Ditto.  Add prototype.
 792         (have_multiple_function_sections, text_section_used,
 793         cold_text_section_used, *cold_text_sections): Move declarations
 794         before their uses.
 795
 796 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
 797
 798         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
 799         field and add signal_ra.
 800         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
 801         assignments to frame state pc.  Move end of stack check after
 802         MD_FALLBACK_FRAME_STATE_FOR.
 803         (uw_update_context_1): Use frame state signal_regs if set, instead
 804         of checking signal_frame flag.
 805         (uw_update_context): Use frame state signal_ra if set.
 806         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
 807         * config/xtensa/linux-unwind.h: New file.
 808
 809 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
 810
 811         * modulo-sched.c (get_sched_window): Fix comment typo.
 812
 813 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
 814
 815         PR tree-optimization/34648
 816         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
 817
 818 2008-01-17  Anatoly Sokolov <aesok@post.ru>
 819
 820         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
 821         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
 822
 823 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
 824
 825         PR rtl-optimization/34400
 826         * df-core.c (df_worklist_dataflow_overeager,
 827         df_worklist_dataflow_doublequeue): New functions.
 828         (df_worklist_dataflow): Two different worklist solvers.
 829         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
 830         New param.
 831
 832 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
 833
 834         PR testsuite/34821
 835         * doc/invoke.texi: Document the dependence on pthread for fopenmp
 836         and ftree-parallelize-loops.
 837
 838 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
 839
 840         PR rtl-optimization/34826
 841         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
 842
 843 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
 844
 845         * global.c (find_reg): Mark the eh regs as used if necessary.
 846         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
 847         * ra.h (struct allocno): no_eh_reg field added.  Changed
 848         no_stack_reg type to bitfield.
 849
 850 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
 851
 852         * tree.c (substitute_in_expr): Add missing 'break'.
 853
 854 2008-01-17  Richard Guenther  <rguenther@suse.de>
 855
 856         PR tree-optimization/34825
 857         * tree-ssa-math-opts.c (is_division_by): Do not recognize
 858         x / x as division to handle.
 859
 860 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 861
 862         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
 863         "-pthread" is specified.
 864         * pa-hpux11.h (LIB_SPEC): Likewise.
 865
 866 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
 867             Peter Bergner  <bergner@vnet.ibm.com>
 868
 869         PR rtl-optimization/33796
 870         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
 871
 872 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 873
 874         PR libgfortran/34699
 875         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
 876         static links.
 877         * pa-hpux10.h (LINK_SPEC): Likewise.
 878         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
 879
 880 2008-01-16  Richard Guenther  <rguenther@suse.de>
 881
 882         PR middle-end/32628
 883         * fold-const.c (fold_convert_const_int_from_int): Do not
 884         set overflow if that occured only because of a sign extension
 885         change when converting from/to a sizetype with the same
 886         precision and signedness.
 887
 888 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
 889
 890         PR debug/34249
 891         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
 892         location address to the correct place.  Update copyright year.
 893
 894 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
 895
 896         * lambda-code.c (lambda_transform_legal_p): Handle the case of
 897         no dependences in the dependence_relations vector.
 898
 899 2008-01-16  Jan Hubicka  <jh@suse.cz>
 900
 901         PR rtl-optimization/31396
 902         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
 903         * cfg.c (dump_reg_info): Print it.
 904         * regs.h (struct reg_info_t): add freq_calls_crossed.
 905         (REG_FREQ_CALLS_CROSSED): New macro.
 906         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
 907         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
 908         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
 909         regmove_optimize): Update call crossed frequencies.
 910         * local-alloc.c (struct qty): Add freq_calls_crossed.
 911         (alloc_qty): Copute freq_calls_crossed.
 912         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
 913         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
 914         * ra.h (struct allocno): Add freq_calls_crossed.
 915
 916 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
 917
 918         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
 919         libgomp when compiling with ftree-parallelize-loops.
 920         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
 921
 922 2008-01-16  Richard Guenther  <rguenther@suse.de>
 923
 924         PR tree-optimization/34769
 925         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
 926         * tree.c (int_cst_value): Instead make this function more
 927         permissive in what it accepts as valid input.  Document this
 928         function always sign-extends the value.
 929
 930 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
 931             Richard Guenther  <rguenther@suse.de>
 932
 933         PR c/34668
 934         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
 935         (gimple_fold_indirect_ref_rhs): ... this.
 936         (gimple_fold_indirect_ref): New function with foldings
 937         that preserve lvalueness.
 938         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
 939         * tree-flow.h (gimple_fold_indirect_ref): Declare.
 940         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
 941         to fold an INDIRECT_REF, fall back to the old use of
 942         fold_indirect_ref_1.
 943
 944 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
 945
 946         * tree-data-ref.c (subscript_dependence_tester_1): Call
 947         free_conflict_function.
 948         (compute_self_dependence): Same.
 949
 950 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
 951
 952         PR debug/34249
 953         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
 954         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
 955         function global.
 956         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
 957         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
 958         for DWARF2_UNWIND_INFO targets.
 959
 960 2008-01-16  Richard Guenther  <rguenther@suse.de>
 961
 962         PR c/34768
 963         * c-typeck.c (common_pointer_type): Do not merge inconsistent
 964         type qualifiers for function types.
 965
 966 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 967
 968         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
 969         loop_iterator li from previous commit.
 970
 971 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
 972
 973         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
 974
 975 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
 976
 977         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
 978         (parallelize_loops): Don't parallelize irreducible components.
 979
 980 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 981
 982         PR c++/24924
 983         * c-opts (c_common_post_options): Do not enable CPP
 984         flag_pedantic_errors by default.
 985
 986 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
 987
 988         PR rtl-optimization/31944
 989         * cse.c (remove_pseudo_from_table): New function.
 990         (merge_equiv_classes): Use above function to remove pseudo-registers.
 991         (invalidate): Likewise.
 992
 993 2008-01-13  Richard Guenther  <rguenther@suse.de>
 994
 995         PR middle-end/34601
 996         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
 997         instead of TYPE_MODE to deal with calls from expand_one_error_var.
 998
 999 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
1000
1001         * gcse.c (cprop_jump): Call validate_unshare_change instead of
1002         validate_change to unshare the source of the PC set.
1003
1004 2008-01-12  Jan Hubicka  <jh@suse.cz>
1005
1006         PR middle-end/32135
1007         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
1008         references above array bounds.  This might trigger bounds checks for
1009         pointers to arrays.
1010
1011 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
1012
1013         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
1014         new_replaceable_dependencies.
1015
1016 2008-01-12  Doug Kwan  <dougkwan@google.com>
1017
1018         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
1019         instead of OPT_Wreturn_type in warning due to ignored return type
1020         qualifiers.
1021         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
1022         options included in -Wextra.
1023         * c.opt: New option -Wignored_qualifiers.
1024         * doc/invoke.texi (Warning Options, -Wextra): Add new option
1025         -Wignore_qualifiers.
1026         (-Wignored-qualifiers): Document.
1027         (-Wreturn-type): Remove description of functionality now handled
1028         by -Wignored-qualifiers.
1029
1030 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
1031
1032         PR ada/33788
1033         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
1034         NOP_EXPR if it is between integral types with the same precision.
1035
1036 2008-01-12  Jan Hubicka  <jh@suse.cz>
1037
1038         PR other/28023
1039         * invoke.texi (max-inline-recursive-depth): Fix default value.
1040
1041 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
1042
1043         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
1044         correct type.
1045
1046 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
1047
1048         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
1049
1050 2008-01-11  James E. Wilson  <wilson@specifix.com>
1051
1052         PR target/26015
1053         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
1054
1055 2008-01-11  Anatoly Sokolov <aesok@post.ru>
1056
1057         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
1058         save/restore frame pointer register and don't use 'call-prologues'
1059         optimization in function with "OS_task" attribute.
1060
1061 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1062
1063         PR middle-end/31309
1064         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
1065         when copying to memory.
1066
1067 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
1068
1069         PR rtl-optimization/30905
1070         * cfgcleanup.c: Include dce.h
1071         (crossjumps_occured): New global variable.
1072         (try_crossjump_bb): Exit loop after finding a fallthru edge.
1073         If something changed, set crossjumps_occured to true.
1074         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
1075         Don't add/remove fake edges to exit here...
1076         (cleanup_cfg): ...but do it here, when crossjumping.
1077         Run a fast DCE when successful crossjumps occured in the latest
1078         iteration of try_optimize_cfg.
1079
1080 2008-01-11  Richard Guenther  <rguenther@suse.de>
1081
1082         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
1083         (struct vn_unary_op_s): Likewise.
1084         (vn_reference_insert): Free old reference on hash collision.
1085
1086 2008-01-10  Raksit Ashok  <raksit@google.com>
1087
1088         PR rtl-optimization/27971
1089         * combine.c (find_split_point): Split PLUS expressions which are
1090         inside a MEM rtx, and whose first operand is complex.
1091
1092 2008-01-10  DJ Delorie  <dj@redhat.com>
1093
1094         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
1095         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
1096         (m32c_hard_regno_ok): Call the underlying function.
1097
1098 2008-01-10  Richard Guenther  <rguenther@suse.de>
1099
1100         PR middle-end/34683
1101         * tree-cfg.c (tree_merge_blocks): Do not go through the
1102         full-blown folding and stmt updating path if we just deal
1103         with virtual operands.
1104         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
1105         test for abnormal SSA_NAMEs.
1106
1107 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
1108
1109         PR middle-end/34641
1110         * reload.c (push_reload): Add assertions.  All constants from
1111         reg_equiv_constant should have been used for replacing the respective
1112         pseudo earlier.
1113         (find_reloads_address): Invoke find_reloads_address_part for
1114         constant taken from the reg_equiv_constant array.
1115
1116 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
1117
1118         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
1119         field (valnum) the first in the struct.  Replace bools with
1120         unit bit fields.
1121
1122 2008-01-10  Richard Guenther  <rguenther@suse.de>
1123
1124         PR tree-optimization/34651
1125         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
1126         types and ordering for masking and converting.
1127
1128 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
1129
1130         PR tree-optimization/34017
1131         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
1132         also for PHI_NODE expressions.
1133
1134 2008-01-09  Jan Hubicka  <jh@suse.cz>
1135
1136         PR tree-optimization/34708
1137         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
1138         based on number of case labels.
1139         (init_inline_once): Remove switch_cost.
1140         * tree-inline.h (eni_weights_d): Remove switch_cost.
1141
1142 2008-01-09  Richard Guenther  <rguenther@suse.de>
1143         Andrew Pinski  <andrew_pinski@playstation.sony.com>
1144
1145         PR middle-end/30132
1146         * gimplify.c (gimplify_cond_expr): Do not create an addressable
1147         temporary if an rvalue is ok or an lvalue is not required.
1148
1149 2008-01-09  Richard Guenther  <rguenther@suse.de>
1150
1151         PR middle-end/34458
1152         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
1153         adjust return type.
1154
1155 2008-01-09  Richard Guenther  <rguenther@suse.de>
1156
1157         PR middle-end/34679
1158         * tree.c (host_integerp): Check for sizetype only if the
1159         type is an integer type.
1160
1161 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
1162
1163         PR debug/26364
1164         * opts.c (decode_options): Disable inlining of functions called
1165         once if not in unit-at-a-time mode.
1166
1167 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
1168
1169         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
1170
1171 2008-01-08  Richard Guenther  <rguenther@suse.de>
1172
1173         PR middle-end/31863
1174         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
1175         out early if the result will be unused.
1176
1177 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
1178
1179         PR target/34709
1180         Revert:
1181
1182         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
1183         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1184         for TARGET_RECIP.
1185
1186 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
1187
1188         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
1189         for vectorization tuned.
1190
1191 2008-01-08  Richard Guenther  <rguenther@suse.de>
1192
1193         PR tree-optimization/34683
1194         * tree-ssa-operands.c (operand_build_cmp): Export.
1195         * tree-ssa-operands.h (operand_build_cmp): Declare.
1196         * tree-vn.c (vuses_compare): Remove.
1197         (sort_vuses): Use operand_build_cmp.
1198         (sort_vuses_heap): Likewise.
1199         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
1200         to re-use old VEC if available.  Do not sort already sorted VUSEs.
1201         (vdefs_to_vec): Do not sort already sorted VDEFs.
1202
1203 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
1204
1205         PR middle-end/34694
1206         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
1207
1208 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
1209
1210         PR target/34702
1211         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
1212         limitations of reciprocal sequences on x86 targets.
1213
1214 2008-01-08  Richard Guenther  <rguenther@suse.de>
1215
1216         PR tree-optimization/34683
1217         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
1218
1219 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
1220
1221         PR target/34622
1222         * config/darwin.c (darwin_mergeable_string_section): Don't use
1223         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
1224
1225 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
1226
1227         PR target/34682
1228         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
1229         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
1230         predicates of op0 and op1 to register_operand.
1231         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
1232         expander using X87MODEF mode iterator.  Change predicates of
1233         op0 and op1 to register_operand.
1234         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
1235         corresponding patterns and macroize using MODEF macro.  Change
1236         predicates of op0 and op1 to register_operand and remove
1237         "m" constraint. Disparage "r" alternative with "!".
1238         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
1239         macroize using X87MODEF macro.  Change predicates of op0 and op1
1240         to register_operand and remove "m" constraint.  Disparage "r"
1241         alternative with "!".
1242         (absneg splitter with memory operands): Remove.
1243         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
1244         patterns and macroize using X87MODEF mode iterator.
1245         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
1246         Change predicate of op1 to register_operand.
1247         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
1248         for memory operands.
1249
1250 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
1251
1252         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
1253
1254 2008-01-07  Richard Guenther  <rguenther@suse.de>
1255
1256         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
1257         fields.
1258
1259 2008-01-07  Richard Guenther  <rguenther@suse.de>
1260
1261         PR tree-optimization/34683
1262         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
1263         VOPs of the needed size to save memory.  Use VEC_quick_push
1264         to save compile-time.
1265         (vdefs_to_vec): Likewise.
1266
1267 2008-01-07  Sa Liu  <saliu@de.ibm.com>
1268
1269         * config/spu/spu.md (divdf3): Genetate inline code for double
1270         division.  The implementation doesn't handle INF or NAN, therefore it
1271         only applies when -ffinite-math-only is given.
1272
1273 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
1274
1275         PR libstdc++/34680
1276         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
1277         * doc/cpp.texi ([Common Predefined Macros]): Document.
1278
1279 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
1280
1281         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
1282         order to use commutative addition instead of subtraction.
1283
1284 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1285             Mircea Namolaru  <namolaru@il.ibm.com>
1286             Vladimir Yanovsky  <yanov@il.ibm.com>
1287             Revital Eres  <eres@il.ibm.com>
1288
1289         PR tree-optimization/34263
1290         * tree-outof-ssa.c (process_single_block_loop_latch,
1291         contains_tree_r): New functions.
1292         (analyze_edges_for_bb): Call process_single_block_loop_latch
1293         function to empty single-basic-block latch block if possible.
1294
1295 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
1296
1297         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1298         for TARGET_RECIP.
1299         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
1300
1301 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
1302
1303         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
1304
1305 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
1306
1307         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
1308
1309 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
1310
1311         PR tree-optimization/34618
1312         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
1313         flag from T.
1314
1315 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
1316
1317         PR target/34673
1318         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
1319         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
1320         Update copyright year.
1321
1322         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
1323         Update copyright year.
1324         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
1325         using NR fixup.
1326
1327 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
1328
1329         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
1330         edge does not point to current bb before changing need_assert.
1331
1332 2008-01-04  Richard Guenther  <rguenther@suse.de>
1333
1334         PR middle-end/34029
1335         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
1336         for verifying purposes if they are is_gimple_min_invariant.
1337
1338 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
1339
1340         PR tree-optimization/34448
1341         PR tree-optimization/34465
1342         * gimplify.c (gimplify_init_constructor): Add new parameter
1343         notify_temp_creation.  Use it.
1344         (gimplify_modify_expr_rhs): Take volatiles into account when
1345         optimizing constructors.
1346         Do not optimize constructors if gimplify_init_constructor will dump to
1347         memory.
1348         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
1349         * gcc.c-torture/compile/pr34448.c: New.
1350
1351 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
1352
1353         PR gcov-profile/34609
1354         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
1355         return_slot if result is TREE_ADDRESSABLE.
1356
1357 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
1358
1359         * config/mips/mips.md (sqrt_condition): Tweak comment.
1360         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
1361
1362 2008-01-03  Tom Tromey  <tromey@redhat.com>
1363
1364         PR c/34457
1365         * c-common.c (c_type_hash): Handle VLAs.
1366
1367 2008-01-03  Jan Hubicka  <jh@suse.cz>
1368
1369         PR tree-optimization/31081
1370         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
1371         0 when inlining and not inlining to first basic block.
1372         (remap_decl): When var is initialized to 0, don't set default_def.
1373         (expand_call_inline): Set entry_bb.
1374         * tree-inline.h (copy_body_data): Add entry_bb.
1375
1376 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
1377
1378         PR c++/34619
1379         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
1380         before returning.
1381
1382         PR tree-optimization/29484
1383         * tree-inline.c (inline_forbidden_p_2): New function.
1384         (inline_forbidden_p): Disallow inlining if some static var
1385         has an address of a local LABEL_DECL in its initializer.
1386         * doc/extend.texi (Labels as Values): Document &&foo behaviour
1387         vs. inlining.
1388
1389 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
1390
1391         PR tree-optimization/34635
1392         * tree-data-ref.c (add_other_self_distances): Make sure that the
1393         evolution step is constant.
1394
1395 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
1396
1397         PR middle-end/34608
1398         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
1399
1400 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
1401
1402         * tree-sra.c (scalarize_init): Insert the generate_element_init
1403         statements after the generate_element_zero statements.
1404
1405 2008-01-02  Richard Guenther  <rguenther@suse.de>
1406
1407         PR middle-end/34093
1408         PR middle-end/31976
1409         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
1410         for very large number of operands instead of ICEing.
1411
1412 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
1413
1414         PR target/34013
1415         * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
1416         while stack probing.
1417
1418 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
1419
1420         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
1421         in C++0x mode.
1422
1423 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
1424
1425         PR libmudflap/26442
1426         * tree-mudflap.c (mx_register_decls): Guard warning by
1427         !DECL_ARTIFICIAL check.
1428
1429 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
1430
1431         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
1432         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
1433         sse5_perm<mode>): Fix constraints.