gcc/ChangeLog

   1 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
   2
   3         PR rtl-optimization/34995
   4         * reload.c (alternative_allows_const_pool_ref): Take an rtx
   5         parameter and return a bool.  If the rtx parameter is nonnull,
   6         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
   7         (find_reloads): Update call accordingly.  Pass the new operand
   8         if it needed no address reloads, otherwise pass null.
   9
  10 2008-01-30  Richard Henderson  <rth@redhat.com>
  11
  12         PR c/34993
  13         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
  14         for unbounded arrays.
  15
  16 2008-01-30  Silvius Rus  <rus@google.com>
  17
  18         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
  19
  20 2008-01-30  Jan Hubicka  <jh@suse.cz>
  21
  22         PR target/34982
  23         * i386.c (init_cumulative_args): Use real function declaration when
  24         calling locally.
  25
  26 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
  27
  28         PR rtl-optimization/34998
  29         * global.c (build_insn_chain): Treat non-subreg_lowpart
  30         SUBREGs of pseudos as clobbering all the words covered by the
  31         SUBREG, not just all the bytes.
  32         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
  33         original df_ref rather than an extract parameter.
  34         (global_conflicts): Update call accordingly.
  35
  36 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
  37
  38         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
  39         the overflow check to make it easier to read.
  40         (__fixtfdi): Change the type of the ll member in union
  41         long_double to UDItype_x.
  42
  43 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
  44
  45         PR middle-end/34969
  46         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
  47         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
  48         * tree-inline.c (fold_marked_statements): Call
  49         cgraph_update_edges_for_call_stmt if folding a call statement.
  50         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
  51         debug_generic_stmt calls, reset it back afterwards.
  52
  53         PR c/35017
  54         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
  55         static decls.
  56         * c-typeck.c (build_external_ref): Don't pedwarn about
  57         static vars in current function's scope.
  58
  59 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
  60
  61         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
  62
  63 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
  64
  65         PR c/35002
  66         * ipa-struct-reorg.c: Fix spelling.
  67         * params.def: Ditto.
  68
  69 2008-01-29  Richard Guenther  <rguenther@suse.de>
  70
  71         PR middle-end/35006
  72         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
  73         field.
  74         * tree-inline.c (remap_type): Increment remapping_type_depth
  75         around remapping types.
  76         (copy_body_r): Only add referenced variables if they are referenced
  77         from code, not types.
  78
  79 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
  80
  81         PR c++/34055
  82         PR c++/34103
  83         PR c++/34219
  84         PR c++/34606
  85         PR c++/34753
  86         PR c++/34754
  87         PR c++/34755
  88         PR c++/34919
  89         PR c++/34961
  90         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
  91         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
  92
  93 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
  94
  95         PR target/34412
  96         * config/avr/avr.c (expand_prologue): Use correct QI mode frame
  97         pointer for tiny stack.
  98
  99 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
 100
 101         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
 102
 103 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
 104
 105         * config/vx-common.h: Fix typo in comment.
 106
 107 2008-01-28  Ian Lance Taylor  <iant@google.com>
 108
 109         PR c++/34862
 110         PR c++/33407
 111         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
 112         coalesce pointers if they have different DECL_NO_TBAA_P values.
 113         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
 114         between variables with different DECL_NO_TBAA_P values.
 115
 116 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
 117
 118         PR 31535
 119         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
 120         are not legitimate small data references on SPE targets.
 121
 122 2008-01-28  David Daney  <ddaney@avtrex.com>
 123
 124         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
 125
 126 2008-01-28  David Daney  <ddaney@avtrex.com>
 127
 128         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
 129
 130 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
 131
 132         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
 133         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
 134         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
 135         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
 136         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
 137         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
 138         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
 139         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
 140
 141 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
 142
 143         * basic-block.h (condjump_equiv_p): Fix comment.
 144
 145 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
 146
 147         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
 148         print_generic_stmt_indented): Fix comment.
 149
 150 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
 151
 152         * configure.ac (__stack_chk_fail): Add detecion for availability
 153         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
 154         * configure: Regenerate.
 155
 156 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
 157
 158         PR middle-end/34688
 159         * final.c (output_addr_const): Handle TRUNCATE.
 160
 161 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
 162
 163         PR target/34711
 164         * tree-ssa-loop-ivopts.c (comp_cost): New type.
 165         (zero_cost, infinite_cost): New constants.
 166         (struct cost_pair): Change type of cost to comp_cost.
 167         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
 168         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
 169         New functions.
 170         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
 171         split_address_cost, ptr_difference_cost, difference_cost,
 172         get_computation_cost_at, get_computation_cost,
 173         determine_use_iv_cost_generic, determine_use_iv_cost_address,
 174         determine_use_iv_cost_condition, determine_use_iv_costs,
 175         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
 176         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
 177         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
 178         Change type of cost to comp_cost.
 179         (determine_iv_cost): Increase cost of non-original ivs, instead
 180         of decreasing the cost of original ones.
 181         (get_address_cost): Indicate the complexity of the addressing mode
 182         in comp_cost.
 183         (try_add_cand_for): Prefer using ivs not specific to some object.
 184         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
 185
 186 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
 187             Janis Johnson  <janis187@us.ibm.com>
 188
 189         PR target/34814
 190         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
 191         (TARGET_INSTANTIATE_DECLS): Likewise.
 192         * target.h (expand_to_rtl_hook): New target hook.
 193         (instantiate_decls): Likewise.
 194         * function.c (instantiate_decl): Make non-static.  Rename to...
 195         (instantiate_decl_rtl): ... this.
 196         (instantiate_expr): Use instantiate_decl_rtl.
 197         (instantiate_decls_1): Likewise.
 198         (instantiate_decls): Likewise.
 199         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
 200         * function.h (instantiate_decl_rtl): Add prototype.
 201         * cfgexpand.c (target.h): New include.
 202         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
 203         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
 204         (TARGET_INSTANTIATE_DECLS): Likewise.
 205         (TARGET_INITIALIZER): New target hooks added.
 206         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
 207         New prototype.
 208         * config/rs6000/rs6000.c (tree-flow.h): New include.
 209         (machine_function): Add sdmode_stack_slot field.
 210         (rs6000_alloc_sdmode_stack_slot): New function.
 211         (rs6000_instantiate_decls): Likewise.
 212         (rs6000_secondary_memory_needed_rtx): Likewise.
 213         (rs6000_check_sdmode): Likewise.
 214         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
 215         (TARGET_INSTANTIATE_DECLS): Likewise.
 216         (rs6000_hard_regno_mode_ok): Allow SDmode.
 217         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
 218         (rs6000_emit_move): Handle SDmode.
 219         (function_arg_advance): Likewise.
 220         (function_arg): Likewise.
 221         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
 222         SDmode var args for 32-bit compiles.
 223         (rs6000_secondary_reload_class): Handle SDmode.
 224         (rs6000_output_function_epilogue): Likewise.
 225         (rs6000_function_value): Simplify if statement.
 226         (rs6000_libcall_value): Likewise.
 227         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
 228         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
 229         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
 230         (movsd_hardfloat): New define_insn.
 231         (movsd_softfloat): Likewise.
 232         (movsd_store): Likewise.
 233         (movsd_load): Likewise.
 234         (extendsddd2): Likewise.
 235         (extendsdtd2): Likewise.
 236         (truncddsd2): Likewise.
 237         (movdd_hardfloat64): Fixup comment.
 238         (UNSPEC_MOVSD_LOAD): New constant.
 239         (UNSPEC_MOVSD_STORE): Likewise.
 240
 241 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
 242
 243         PR c++/34965
 244         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
 245         TRUTH_XOR_EXPR.
 246         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
 247         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
 248         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
 249         and TRUTH_XOR_EXPR.
 250
 251 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
 252
 253         PR target/34794
 254         * config.gcc: Separate AIX 5.3 from AIX 6.1.
 255         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
 256         __LONGDOUBLE128 too.
 257         * config/rs6000/aix61.h: New file.
 258
 259 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
 260
 261         PR rtl-optimization/34959
 262         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
 263         popcount and parity rtxes the same mode as their operand.
 264         Truncate or extend the result to the return value's mode
 265         if necessary.
 266
 267 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
 268
 269         PR target/34981
 270         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
 271         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
 272         to GOT_VERSION_REGNUM.
 273         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
 274         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
 275         * config/mips/mips.c (mips_emit_call_insn): New function.
 276         (mips_call_tls_get_addr): Call mips_expand_call directly.
 277         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
 278         emit_call_insn.
 279         (mips16_build_call_stub): Likewise.  Return the call insn or null.
 280         (mips_expand_call): Update the call to mips16_build_call_stub
 281         accordingly and a remove redundant condition.  Assert that MIPS16
 282         stubs do not use lazy binding.  Use mips_emit_call_insn and return
 283         the call insn.
 284         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
 285         TARGET_USE_GOT.
 286         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
 287         (mips_avoid_hazard): Remove hazard_set handling.
 288         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
 289         (UNSPEC_RESTORE_GP): ...this.
 290         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
 291         (FAKE_CALL_REGNO): Rename to...
 292         (GOT_VERSION_REGNUM): ...this.
 293         (type): Add "ghost" value.  Add an associated insn reservation.
 294         (hazard_set): Remove.
 295         (exception_receiver): Rename to...
 296         (restore_gp): ...this and update the unspec identifier accordingly.
 297         (exception_receiver, nonlocal_got_receiver): New expanders.
 298         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
 299         FAKE_CALL_REGNO.  Remove hazard_set attribute.
 300         (set_got_version, update_got_version): New patterns.
 301
 302 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
 303
 304         PR target/34970
 305         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
 306
 307 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
 308
 309         PR other/31955
 310         * doc/install.texi2html: Generate gcc-vers.texi.
 311
 312 2008-01-25  DJ Delorie  <dj@redhat.com>
 313
 314         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
 315
 316 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
 317
 318         * config/c4x: Remove directory.
 319         * config.gcc (crx-*, mt-*): Mark obsolete.
 320         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
 321         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
 322         sh-*-rtemscoff*): Remove cases.
 323         * defaults.h (C4X_FLOAT_FORMAT): Remove.
 324         * real.c (encode_c4x_single, decode_c4x_single,
 325         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
 326         c4x_extended_format): Remove.
 327         * real.h (c4x_single_format, c4x_extended_format): Remove.
 328         * doc/extend.texi (interrupt, naked): Remove mention of attributes
 329         on C4x.
 330         (Pragmas): Remove comment about c4x pragmas.
 331         * doc/install.texi (c4x): Remove target-specific instructions.
 332         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
 333         * doc/md.texi (Machine Constraints): Remove C4x documentation.
 334         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
 335         refer to C4x source files as examples.
 336         (C4X_FLOAT_FORMAT): Remove documentation.
 337
 338 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
 339
 340         * config/bfin/bfin.c (override_options): Reorder tests so that
 341         flag_pic gets enabled for -msep-data.
 342
 343 2008-01-25  Richard Guenther  <rguenther@suse.de>
 344
 345         PR middle-end/32244
 346         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
 347         to its bitfield precision if required.
 348
 349 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
 350
 351         PR middle-end/33880
 352         * tree-nested.c (walk_omp_for): New function.
 353         (convert_nonlocal_reference, convert_local_reference): Call
 354         walk_omp_for on OMP_FOR.
 355         (convert_call_expr): Call walk_body on OMP_FOR's
 356         OMP_FOR_PRE_INIT_BODY.
 357
 358 2008-01-25  Richard Guenther  <rguenther@suse.de>
 359
 360         PR tree-optimization/34966
 361         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
 362         default defs and PHI_NODEs we have to insert after the
 363         defining statement.
 364
 365 2008-01-24  Nick Clifton  <nickc@redhat.com>
 366
 367         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
 368         Provide a default definition.
 369         (LIBGCC2_UNITS_PER_WORD): Likewise.
 370
 371         * config/stormy16/stormy16.c: Include df.h for the prototype
 372         for df_regs_ever_live_p.
 373         (xstormy16_expand_builtin_va_start): Convert the stack offset
 374         into a component_ref and then use POINTER_PLUS_EXPR to add it
 375         to the incoming_virtual_args_rtx.
 376         (xstormy16_gimplify_va_arg_expr): Rename to
 377         xstormy16_gimplify_va_arg_expr.
 378         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
 379         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
 380         xstormy16_gimplify_va_arg_expr.
 381         Fix up some formatting issues.
 382
 383         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
 384         Move to predicates.md.
 385         (xs_hi_general_operand): Likewise.
 386         (xs_hi_nonmemory_operand): Likewise.
 387         * config/stormy16/predicates.md:
 388         (xstormy16_carry_plus_operand): New predicate.
 389         (xs_hi_general_operand): New predicate.
 390         (xs_hi_nonmemory_operand): New predicate.
 391         * config/stormy16/stormy16-protos.h:
 392         (xstormy16_carry_plus_operand): Delete prototype.
 393         (xs_hi_general_operand): Likewise.
 394         (xs_hi_nonmemory_operand): Likewise.
 395
 396         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
 397         modifiers as they are no longer needed and they can trigger
 398         reload spill failures.
 399
 400         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
 401         with a match_operand in order to help reload.
 402
 403         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
 404         constraint with 'e' for the 8th alternative as this version of
 405         the mov.w instruction only accepts the lower 8 registers.
 406
 407 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
 408
 409         PR target/34856
 410         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
 411         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
 412         vector elements.
 413
 414 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
 415
 416         PR middle-end/33333
 417         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
 418
 419 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
 420
 421         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
 422         New functions.
 423         (remove_structure): Update allocations list before removing structure.
 424
 425 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
 426
 427         * ipa-struct-reorg.c (is_safe_cond_expr,
 428         create_new_stmts_for_cond_expr): Use integer_zerop function,
 429         that recognize not only zero-pointer, but zero-integer too.
 430
 431 2008-01-25  Ben Elliston  <bje@au.ibm.com>
 432
 433         PR other/22232
 434         * fixproto: Escape "." in sed expression that strips leading "./".
 435
 436 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
 437
 438         PR driver/34904
 439         * gcc.c (SWITCH_OK): Removed.
 440         (SWITCH_LIVE): Changed to bit.
 441         (SWITCH_FALSE): Likewise.
 442         (SWITCH_IGNORE): Likewise.
 443         (switchstr): Change live_cond to unsigned int.
 444         (process_command): Replace SWITCH_OK with 0.
 445         (do_self_spec): Likewise.
 446         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
 447         (give_switch): Likewise.
 448         (used_arg): Likewise.
 449         (do_spec_1): Set the SWITCH_IGNORE bit.
 450         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
 451         bits.  Set the SWITCH_LIVE bit.
 452
 453 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
 454
 455         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
 456
 457 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
 458
 459         PR tree-optimization/34472
 460         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
 461         parameter to a "bool *" and set *DATA to false if there is
 462         an unsafe access.  Do not delete the structure here.
 463         (check_cond_exprs): Delete it here instead.
 464         (check_cond_exprs, exclude_cold_structs): Do not increase
 465         I when removing a structure.
 466
 467 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
 468
 469         PR target/34856
 470         * config/i386/i386.c (ix86_expand_vector_init): Consider only
 471         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
 472
 473 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
 474
 475         PR middle-end/34934
 476         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
 477         a fixed vector for stack.
 478
 479 2008-01-24  Ben Elliston  <bje@au.ibm.com>
 480
 481         PR c++/25701
 482         * doc/gcc.texi (Software development): Add a direntry for g++.
 483
 484 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
 485
 486         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
 487         stale and straggling -fforce-addr comments above.
 488
 489         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
 490         define.
 491         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
 492         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
 493
 494 2008-01-23  Michael Matz  <matz@suse.de>
 495
 496         PR debug/34895
 497         * dwarf2out.c (force_type_die): Use modified_type_die instead of
 498         gen_type_die.
 499
 500 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
 501
 502         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
 503         malloc result type.
 504
 505 2008-01-23 Anatoly Sokolov <aesok@post.ru>
 506
 507         * config/avr/avr.c (avr_current_arch): New variable.
 508         (avr_arch_types): Add 'avr31' and 'avr51' entries.
 509         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
 510         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
 511         (avr_override_options): Init 'avr_current_arch'.
 512         (base_arch_s): Move from here...
 513         * config/avr/avr.h (base_arch_s): ... here. Add new members
 514         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
 515         'mega' to 'have_jmp_call'.
 516         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
 517         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
 518         macros.
 519         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
 520         architectures.
 521         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
 522         MULTILIB_MATCHES): (Ditto.).
 523
 524 2008-01-23  Richard Guenther  <rguenther@suse.de>
 525
 526         PR middle-end/31529
 527         * cgraphunit.c (cgraph_reset_node): Always mark the node
 528         not reachable if it is not queued already.
 529
 530 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
 531
 532         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
 533         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
 534         (cputype_selected): New static variable.
 535         (bfin_handle_option): Set it if -mcpu is used.
 536         (override_option): Select default set of workarounds if no cpu type
 537         selected on the command line.
 538         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
 539
 540         From  Michael Frysinger  <michael.frysinger@analog.com>
 541         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
 542         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
 543
 544         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
 545         for bf547, bf523, bf524, and bf526.
 546         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
 547         bf526.
 548         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
 549         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
 550         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
 551         __ADSPBF547__ and __ADSPBF54x__ for bf547.
 552         * doc/invoke.texi (Blackfin Options): Document that
 553         -mcpu now accept bf547, bf523, bf524, and bf526.
 554
 555 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
 556
 557         PR rtl-optimization/34628
 558         * combine.c (try_combine): Stop and undo after the first combination
 559         if an autoincrement side-effect on the first insn has effectively
 560         been lost.
 561
 562 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
 563
 564         PR target/34529
 565         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
 566         Offset addresses are not valid for Altivec or paired float modes.
 567
 568 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
 569
 570         PR c++/34607
 571         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
 572         if DECL_INITIAL (decl) is error_mark_node.
 573
 574         PR c++/34914
 575         * c-common.c (handle_vector_size_attribute): Only allow
 576         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
 577         the same way as pointer, array etc. types.
 578         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
 579
 580         PR c++/34917
 581         * tree.c (build_type_attribute_qual_variant): Call
 582         build_qualified_type if attributes are equal, but quals are not.
 583
 584 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 585
 586         PR 32102
 587         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
 588         * flags.h (warn_strict_aliasing): Remove.
 589         (warn_strict_overflow): Remove.
 590         * opts.c (warn_strict_aliasing): Remove.
 591         (warn_strict_overflow): Remove.
 592         * c-opts.c (c_common_handle_option): -Wall only sets
 593         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
 594         (c_common_post_options): Give default values to -Wstrict-aliasing
 595         and -Wstrict-overflow if they are uninitialized.
 596         * common.opt (Wstrict-aliasing): Specify Var and Init.
 597         (Wstrict-overflow): Likewise.
 598
 599 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
 600
 601         PR rtl-optimization/26854
 602         PR rtl-optimization/34400
 603         PR rtl-optimization/34884
 604         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
 605         DF_RD->gen.
 606         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
 607         (df_rd_bb_info.expanded_lr_out): Deleted
 608         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
 609         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
 610         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
 611         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
 612         Removed code to allocate, initialize or free expanded_lr_out.
 613         (df_rd_bb_local_compute_process_def): Restructured to make more
 614         understandable.
 615         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
 616         sets if the sets are being trimmed.
 617
 618 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
 619
 620         PR bootstrap/32287
 621         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
 622         (as_vers): Likewise.
 623         * configure: Regenerated.
 624
 625 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 626
 627         PR middle-end/33092
 628         * tree-pass.h (pass_build_alias): New pass.
 629         * tree-ssa-alias.c (gate_build_alias): New.
 630         (pass_build_alias): New.
 631         * passes.c (init_optimization_passes): Add pass_build_alias after
 632         pass_create_structure_vars.
 633
 634 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
 635
 636         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
 637         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
 638         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
 639         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
 640         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
 641         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
 642         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
 643         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
 644         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
 645         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
 646         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
 647         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
 648         * config/s390/s390.md (FP_ALL): New mode iterator.
 649         (_d): New mode attribute.
 650         ("*signbit<mode>2>"): Changed mode of first operand.
 651         ("isinf<mode>2"): Changed mode of first operand.
 652         ("*TDC_insn"): Adaptation for DFP modes.
 653
 654 2008-01-22  Ben Elliston  <bje@au.ibm.com>
 655
 656         * tree.c (check_qualified_type): Improve function description.
 657
 658 2008-01-21  Jason Merrill  <jason@redhat.com>
 659
 660         PR c++/34196
 661         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
 662         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
 663         if it is set.
 664
 665 2008-01-21  DJ Delorie  <dj@redhat.com>
 666
 667         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
 668         return zero.
 669
 670 2008-01-21  Richard Guenther  <rguenther@suse.de>
 671
 672         PR middle-end/34856
 673         * tree-cfg.c (verify_expr): Allow all invariant expressions
 674         instead of just constant class ones as reference argument.
 675         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
 676         like any other constant.
 677         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
 678
 679 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
 680
 681         * regmove.c (fixup_match_1): Update call crossed frequencies.
 682
 683 2008-01-21  Richard Guenther  <rguenther@suse.de>
 684
 685         PR c/34885
 686         * tree-inline.c (setup_one_parameter): Deal with mismatched
 687         types using a VIEW_CONVERT_EXPR.
 688
 689 2008-01-21  Alon Dayan  <alond@il.ibm.com>
 690             Olga Golovanevsky  <olga@il.ibm.com>
 691
 692         PR tree-optimization/34701
 693         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
 694         when the structure size is not a power of 2.
 695
 696 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
 697
 698         * doc/install.texi: Add doc for --enable-checking=df.
 699
 700 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
 701
 702         PR rtl-optimization/34808
 703         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
 704
 705 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
 706
 707         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
 708         input.
 709
 710 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
 711
 712         PR rtl-optimization/26854
 713         PR rtl-optimization/34400
 714         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
 715         DF_RD->gen.
 716         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
 717         (df_rd_bb_info.expanded_lr_out): New.
 718         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
 719         * loop_iv.c (iv_analysis_loop_init): Ditto.
 720         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
 721         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
 722         Added code to allocate, initialize or free expanded_lr_out.
 723         (df_rd_bb_local_compute_process_def): Restructured to make
 724         more understandable.
 725         (df_rd_confluence_n): Add code to do nothing with fake edges and
 726         code to no apply invalidate_by_call sets if the sets are being trimmed.
 727         (df_lr_local_finalize): Renamed to df_lr_finalize.
 728         (df_live_local_finalize): Renamed to df_live_finalize.
 729
 730 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
 731
 732         PR target/34831
 733         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
 734         deciding whether to use reciprocal instructions.
 735
 736 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
 737
 738         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
 739         dwarf2out_note_section_used if cold_text_section is NULL.
 740
 741 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
 742
 743         PR gcov-profile/34610
 744         * tree-cfg.c (make_edges): Mark both outgoing edges from
 745         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
 746         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
 747         from OMP_FOR and OMP_CONTINUE outgoing edges.
 748
 749         * tree-profile.c (tree_profiling): Return early if
 750         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
 751         at the end.
 752         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
 753         from cfun to child_cfun.
 754         * function.h (struct function): Add after_tree_profile bit.
 755
 756 2008-01-19 Anatoly Sokolov <aesok@post.ru>
 757
 758         * config/avr/avr.S (_exit): Disable interrupt.
 759
 760 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
 761             Steven Bosscher  <stevenb.gcc@gmail.com>
 762
 763         PR rtl-optimization/26854
 764         PR rtl-optimization/34400
 765         * df-problems.c (df_live_scratch): New scratch bitmap.
 766         (df_live_alloc): Allocate df_live_scratch when doing df_live.
 767         (df_live_reset): Clear the proper bitmaps.
 768         (df_live_bb_local_compute): Only process the artificial defs once
 769         since the order is not important.
 770         (df_live_init): Init the df_live sets only with the variables
 771         found live by df_lr.
 772         (df_live_transfer_function): Use the df_lr sets to prune the
 773         df_live sets as they are being computed.
 774         (df_live_free): Free df_live_scratch.
 775
 776 2008-01-18  Ian Lance Taylor  <iant@google.com>
 777
 778         * common.opt: Add fmerge-debug-strings.
 779         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
 780         flag_merge_debug_strings rather than flag_merge_constants.
 781         * doc/invoke.texi (Option Summary): Mention
 782         -fmerge-debug-strings.
 783         (Debugging Options): Document -fmerge-debug-strings.
 784
 785 2008-01-18  Ian Lance Taylor  <iant@google.com>
 786
 787         PR c++/33407
 788         * tree.h (DECL_IS_OPERATOR_NEW): Define.
 789         (struct tree_function_decl): Add new field operator_new_flag.
 790         * tree-inline.c (expand_call_inline): When inlining a call to
 791         operator new, force the return value to go into a variable, and
 792         set DECL_NO_TBAA_P on that variable.
 793         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
 794
 795 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
 796
 797         PR debug/34484
 798         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
 799         DWARF2_DEBUGGING_INFO.
 800         (dwarf2out_note_section_used): Ditto.  Add prototype.
 801         (have_multiple_function_sections, text_section_used,
 802         cold_text_section_used, *cold_text_sections): Move declarations
 803         before their uses.
 804
 805 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
 806
 807         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
 808         field and add signal_ra.
 809         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
 810         assignments to frame state pc.  Move end of stack check after
 811         MD_FALLBACK_FRAME_STATE_FOR.
 812         (uw_update_context_1): Use frame state signal_regs if set, instead
 813         of checking signal_frame flag.
 814         (uw_update_context): Use frame state signal_ra if set.
 815         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
 816         * config/xtensa/linux-unwind.h: New file.
 817
 818 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
 819
 820         * modulo-sched.c (get_sched_window): Fix comment typo.
 821
 822 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
 823
 824         PR tree-optimization/34648
 825         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
 826
 827 2008-01-17  Anatoly Sokolov <aesok@post.ru>
 828
 829         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
 830         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
 831
 832 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
 833
 834         PR rtl-optimization/34400
 835         * df-core.c (df_worklist_dataflow_overeager,
 836         df_worklist_dataflow_doublequeue): New functions.
 837         (df_worklist_dataflow): Two different worklist solvers.
 838         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
 839         New param.
 840
 841 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
 842
 843         PR testsuite/34821
 844         * doc/invoke.texi: Document the dependence on pthread for fopenmp
 845         and ftree-parallelize-loops.
 846
 847 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
 848
 849         PR rtl-optimization/34826
 850         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
 851
 852 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
 853
 854         * global.c (find_reg): Mark the eh regs as used if necessary.
 855         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
 856         * ra.h (struct allocno): no_eh_reg field added.  Changed
 857         no_stack_reg type to bitfield.
 858
 859 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
 860
 861         * tree.c (substitute_in_expr): Add missing 'break'.
 862
 863 2008-01-17  Richard Guenther  <rguenther@suse.de>
 864
 865         PR tree-optimization/34825
 866         * tree-ssa-math-opts.c (is_division_by): Do not recognize
 867         x / x as division to handle.
 868
 869 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 870
 871         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
 872         "-pthread" is specified.
 873         * pa-hpux11.h (LIB_SPEC): Likewise.
 874
 875 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
 876             Peter Bergner  <bergner@vnet.ibm.com>
 877
 878         PR rtl-optimization/33796
 879         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
 880
 881 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 882
 883         PR libgfortran/34699
 884         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
 885         static links.
 886         * pa-hpux10.h (LINK_SPEC): Likewise.
 887         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
 888
 889 2008-01-16  Richard Guenther  <rguenther@suse.de>
 890
 891         PR middle-end/32628
 892         * fold-const.c (fold_convert_const_int_from_int): Do not
 893         set overflow if that occured only because of a sign extension
 894         change when converting from/to a sizetype with the same
 895         precision and signedness.
 896
 897 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
 898
 899         PR debug/34249
 900         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
 901         location address to the correct place.  Update copyright year.
 902
 903 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
 904
 905         * lambda-code.c (lambda_transform_legal_p): Handle the case of
 906         no dependences in the dependence_relations vector.
 907
 908 2008-01-16  Jan Hubicka  <jh@suse.cz>
 909
 910         PR rtl-optimization/31396
 911         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
 912         * cfg.c (dump_reg_info): Print it.
 913         * regs.h (struct reg_info_t): add freq_calls_crossed.
 914         (REG_FREQ_CALLS_CROSSED): New macro.
 915         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
 916         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
 917         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
 918         regmove_optimize): Update call crossed frequencies.
 919         * local-alloc.c (struct qty): Add freq_calls_crossed.
 920         (alloc_qty): Copute freq_calls_crossed.
 921         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
 922         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
 923         * ra.h (struct allocno): Add freq_calls_crossed.
 924
 925 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
 926
 927         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
 928         libgomp when compiling with ftree-parallelize-loops.
 929         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
 930
 931 2008-01-16  Richard Guenther  <rguenther@suse.de>
 932
 933         PR tree-optimization/34769
 934         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
 935         * tree.c (int_cst_value): Instead make this function more
 936         permissive in what it accepts as valid input.  Document this
 937         function always sign-extends the value.
 938
 939 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
 940             Richard Guenther  <rguenther@suse.de>
 941
 942         PR c/34668
 943         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
 944         (gimple_fold_indirect_ref_rhs): ... this.
 945         (gimple_fold_indirect_ref): New function with foldings
 946         that preserve lvalueness.
 947         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
 948         * tree-flow.h (gimple_fold_indirect_ref): Declare.
 949         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
 950         to fold an INDIRECT_REF, fall back to the old use of
 951         fold_indirect_ref_1.
 952
 953 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
 954
 955         * tree-data-ref.c (subscript_dependence_tester_1): Call
 956         free_conflict_function.
 957         (compute_self_dependence): Same.
 958
 959 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
 960
 961         PR debug/34249
 962         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
 963         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
 964         function global.
 965         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
 966         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
 967         for DWARF2_UNWIND_INFO targets.
 968
 969 2008-01-16  Richard Guenther  <rguenther@suse.de>
 970
 971         PR c/34768
 972         * c-typeck.c (common_pointer_type): Do not merge inconsistent
 973         type qualifiers for function types.
 974
 975 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 976
 977         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
 978         loop_iterator li from previous commit.
 979
 980 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
 981
 982         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
 983
 984 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
 985
 986         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
 987         (parallelize_loops): Don't parallelize irreducible components.
 988
 989 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 990
 991         PR c++/24924
 992         * c-opts (c_common_post_options): Do not enable CPP
 993         flag_pedantic_errors by default.
 994
 995 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
 996
 997         PR rtl-optimization/31944
 998         * cse.c (remove_pseudo_from_table): New function.
 999         (merge_equiv_classes): Use above function to remove pseudo-registers.
1000         (invalidate): Likewise.
1001
1002 2008-01-13  Richard Guenther  <rguenther@suse.de>
1003
1004         PR middle-end/34601
1005         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
1006         instead of TYPE_MODE to deal with calls from expand_one_error_var.
1007
1008 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
1009
1010         * gcse.c (cprop_jump): Call validate_unshare_change instead of
1011         validate_change to unshare the source of the PC set.
1012
1013 2008-01-12  Jan Hubicka  <jh@suse.cz>
1014
1015         PR middle-end/32135
1016         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
1017         references above array bounds.  This might trigger bounds checks for
1018         pointers to arrays.
1019
1020 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
1021
1022         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
1023         new_replaceable_dependencies.
1024
1025 2008-01-12  Doug Kwan  <dougkwan@google.com>
1026
1027         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
1028         instead of OPT_Wreturn_type in warning due to ignored return type
1029         qualifiers.
1030         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
1031         options included in -Wextra.
1032         * c.opt: New option -Wignored_qualifiers.
1033         * doc/invoke.texi (Warning Options, -Wextra): Add new option
1034         -Wignore_qualifiers.
1035         (-Wignored-qualifiers): Document.
1036         (-Wreturn-type): Remove description of functionality now handled
1037         by -Wignored-qualifiers.
1038
1039 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
1040
1041         PR ada/33788
1042         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
1043         NOP_EXPR if it is between integral types with the same precision.
1044
1045 2008-01-12  Jan Hubicka  <jh@suse.cz>
1046
1047         PR other/28023
1048         * invoke.texi (max-inline-recursive-depth): Fix default value.
1049
1050 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
1051
1052         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
1053         correct type.
1054
1055 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
1056
1057         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
1058
1059 2008-01-11  James E. Wilson  <wilson@specifix.com>
1060
1061         PR target/26015
1062         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
1063
1064 2008-01-11  Anatoly Sokolov <aesok@post.ru>
1065
1066         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
1067         save/restore frame pointer register and don't use 'call-prologues'
1068         optimization in function with "OS_task" attribute.
1069
1070 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1071
1072         PR middle-end/31309
1073         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
1074         when copying to memory.
1075
1076 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
1077
1078         PR rtl-optimization/30905
1079         * cfgcleanup.c: Include dce.h
1080         (crossjumps_occured): New global variable.
1081         (try_crossjump_bb): Exit loop after finding a fallthru edge.
1082         If something changed, set crossjumps_occured to true.
1083         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
1084         Don't add/remove fake edges to exit here...
1085         (cleanup_cfg): ...but do it here, when crossjumping.
1086         Run a fast DCE when successful crossjumps occured in the latest
1087         iteration of try_optimize_cfg.
1088
1089 2008-01-11  Richard Guenther  <rguenther@suse.de>
1090
1091         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
1092         (struct vn_unary_op_s): Likewise.
1093         (vn_reference_insert): Free old reference on hash collision.
1094
1095 2008-01-10  Raksit Ashok  <raksit@google.com>
1096
1097         PR rtl-optimization/27971
1098         * combine.c (find_split_point): Split PLUS expressions which are
1099         inside a MEM rtx, and whose first operand is complex.
1100
1101 2008-01-10  DJ Delorie  <dj@redhat.com>
1102
1103         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
1104         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
1105         (m32c_hard_regno_ok): Call the underlying function.
1106
1107 2008-01-10  Richard Guenther  <rguenther@suse.de>
1108
1109         PR middle-end/34683
1110         * tree-cfg.c (tree_merge_blocks): Do not go through the
1111         full-blown folding and stmt updating path if we just deal
1112         with virtual operands.
1113         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
1114         test for abnormal SSA_NAMEs.
1115
1116 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
1117
1118         PR middle-end/34641
1119         * reload.c (push_reload): Add assertions.  All constants from
1120         reg_equiv_constant should have been used for replacing the respective
1121         pseudo earlier.
1122         (find_reloads_address): Invoke find_reloads_address_part for
1123         constant taken from the reg_equiv_constant array.
1124
1125 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
1126
1127         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
1128         field (valnum) the first in the struct.  Replace bools with
1129         unit bit fields.
1130
1131 2008-01-10  Richard Guenther  <rguenther@suse.de>
1132
1133         PR tree-optimization/34651
1134         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
1135         types and ordering for masking and converting.
1136
1137 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
1138
1139         PR tree-optimization/34017
1140         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
1141         also for PHI_NODE expressions.
1142
1143 2008-01-09  Jan Hubicka  <jh@suse.cz>
1144
1145         PR tree-optimization/34708
1146         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
1147         based on number of case labels.
1148         (init_inline_once): Remove switch_cost.
1149         * tree-inline.h (eni_weights_d): Remove switch_cost.
1150
1151 2008-01-09  Richard Guenther  <rguenther@suse.de>
1152         Andrew Pinski  <andrew_pinski@playstation.sony.com>
1153
1154         PR middle-end/30132
1155         * gimplify.c (gimplify_cond_expr): Do not create an addressable
1156         temporary if an rvalue is ok or an lvalue is not required.
1157
1158 2008-01-09  Richard Guenther  <rguenther@suse.de>
1159
1160         PR middle-end/34458
1161         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
1162         adjust return type.
1163
1164 2008-01-09  Richard Guenther  <rguenther@suse.de>
1165
1166         PR middle-end/34679
1167         * tree.c (host_integerp): Check for sizetype only if the
1168         type is an integer type.
1169
1170 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
1171
1172         PR debug/26364
1173         * opts.c (decode_options): Disable inlining of functions called
1174         once if not in unit-at-a-time mode.
1175
1176 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
1177
1178         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
1179
1180 2008-01-08  Richard Guenther  <rguenther@suse.de>
1181
1182         PR middle-end/31863
1183         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
1184         out early if the result will be unused.
1185
1186 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
1187
1188         PR target/34709
1189         Revert:
1190
1191         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
1192         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1193         for TARGET_RECIP.
1194
1195 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
1196
1197         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
1198         for vectorization tuned.
1199
1200 2008-01-08  Richard Guenther  <rguenther@suse.de>
1201
1202         PR tree-optimization/34683
1203         * tree-ssa-operands.c (operand_build_cmp): Export.
1204         * tree-ssa-operands.h (operand_build_cmp): Declare.
1205         * tree-vn.c (vuses_compare): Remove.
1206         (sort_vuses): Use operand_build_cmp.
1207         (sort_vuses_heap): Likewise.
1208         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
1209         to re-use old VEC if available.  Do not sort already sorted VUSEs.
1210         (vdefs_to_vec): Do not sort already sorted VDEFs.
1211
1212 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
1213
1214         PR middle-end/34694
1215         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
1216
1217 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
1218
1219         PR target/34702
1220         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
1221         limitations of reciprocal sequences on x86 targets.
1222
1223 2008-01-08  Richard Guenther  <rguenther@suse.de>
1224
1225         PR tree-optimization/34683
1226         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
1227
1228 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
1229
1230         PR target/34622
1231         * config/darwin.c (darwin_mergeable_string_section): Don't use
1232         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
1233
1234 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
1235
1236         PR target/34682
1237         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
1238         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
1239         predicates of op0 and op1 to register_operand.
1240         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
1241         expander using X87MODEF mode iterator.  Change predicates of
1242         op0 and op1 to register_operand.
1243         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
1244         corresponding patterns and macroize using MODEF macro.  Change
1245         predicates of op0 and op1 to register_operand and remove
1246         "m" constraint. Disparage "r" alternative with "!".
1247         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
1248         macroize using X87MODEF macro.  Change predicates of op0 and op1
1249         to register_operand and remove "m" constraint.  Disparage "r"
1250         alternative with "!".
1251         (absneg splitter with memory operands): Remove.
1252         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
1253         patterns and macroize using X87MODEF mode iterator.
1254         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
1255         Change predicate of op1 to register_operand.
1256         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
1257         for memory operands.
1258
1259 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
1260
1261         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
1262
1263 2008-01-07  Richard Guenther  <rguenther@suse.de>
1264
1265         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
1266         fields.
1267
1268 2008-01-07  Richard Guenther  <rguenther@suse.de>
1269
1270         PR tree-optimization/34683
1271         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
1272         VOPs of the needed size to save memory.  Use VEC_quick_push
1273         to save compile-time.
1274         (vdefs_to_vec): Likewise.
1275
1276 2008-01-07  Sa Liu  <saliu@de.ibm.com>
1277
1278         * config/spu/spu.md (divdf3): Genetate inline code for double
1279         division.  The implementation doesn't handle INF or NAN, therefore it
1280         only applies when -ffinite-math-only is given.
1281
1282 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
1283
1284         PR libstdc++/34680
1285         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
1286         * doc/cpp.texi ([Common Predefined Macros]): Document.
1287
1288 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
1289
1290         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
1291         order to use commutative addition instead of subtraction.
1292
1293 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1294             Mircea Namolaru  <namolaru@il.ibm.com>
1295             Vladimir Yanovsky  <yanov@il.ibm.com>
1296             Revital Eres  <eres@il.ibm.com>
1297
1298         PR tree-optimization/34263
1299         * tree-outof-ssa.c (process_single_block_loop_latch,
1300         contains_tree_r): New functions.
1301         (analyze_edges_for_bb): Call process_single_block_loop_latch
1302         function to empty single-basic-block latch block if possible.
1303
1304 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
1305
1306         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1307         for TARGET_RECIP.
1308         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
1309
1310 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
1311
1312         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
1313
1314 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
1315
1316         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
1317
1318 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
1319
1320         PR tree-optimization/34618
1321         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
1322         flag from T.
1323
1324 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
1325
1326         PR target/34673
1327         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
1328         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
1329         Update copyright year.
1330
1331         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
1332         Update copyright year.
1333         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
1334         using NR fixup.
1335
1336 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
1337
1338         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
1339         edge does not point to current bb before changing need_assert.
1340
1341 2008-01-04  Richard Guenther  <rguenther@suse.de>
1342
1343         PR middle-end/34029
1344         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
1345         for verifying purposes if they are is_gimple_min_invariant.
1346
1347 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
1348
1349         PR tree-optimization/34448
1350         PR tree-optimization/34465
1351         * gimplify.c (gimplify_init_constructor): Add new parameter
1352         notify_temp_creation.  Use it.
1353         (gimplify_modify_expr_rhs): Take volatiles into account when
1354         optimizing constructors.
1355         Do not optimize constructors if gimplify_init_constructor will dump to
1356         memory.
1357         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
1358         * gcc.c-torture/compile/pr34448.c: New.
1359
1360 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
1361
1362         PR gcov-profile/34609
1363         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
1364         return_slot if result is TREE_ADDRESSABLE.
1365
1366 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
1367
1368         * config/mips/mips.md (sqrt_condition): Tweak comment.
1369         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
1370
1371 2008-01-03  Tom Tromey  <tromey@redhat.com>
1372
1373         PR c/34457
1374         * c-common.c (c_type_hash): Handle VLAs.
1375
1376 2008-01-03  Jan Hubicka  <jh@suse.cz>
1377
1378         PR tree-optimization/31081
1379         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
1380         0 when inlining and not inlining to first basic block.
1381         (remap_decl): When var is initialized to 0, don't set default_def.
1382         (expand_call_inline): Set entry_bb.
1383         * tree-inline.h (copy_body_data): Add entry_bb.
1384
1385 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
1386
1387         PR c++/34619
1388         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
1389         before returning.
1390
1391         PR tree-optimization/29484
1392         * tree-inline.c (inline_forbidden_p_2): New function.
1393         (inline_forbidden_p): Disallow inlining if some static var
1394         has an address of a local LABEL_DECL in its initializer.
1395         * doc/extend.texi (Labels as Values): Document &&foo behaviour
1396         vs. inlining.
1397
1398 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
1399
1400         PR tree-optimization/34635
1401         * tree-data-ref.c (add_other_self_distances): Make sure that the
1402         evolution step is constant.
1403
1404 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
1405
1406         PR middle-end/34608
1407         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
1408
1409 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
1410
1411         * tree-sra.c (scalarize_init): Insert the generate_element_init
1412         statements after the generate_element_zero statements.
1413
1414 2008-01-02  Richard Guenther  <rguenther@suse.de>
1415
1416         PR middle-end/34093
1417         PR middle-end/31976
1418         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
1419         for very large number of operands instead of ICEing.
1420
1421 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
1422
1423         PR target/34013
1424         * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
1425         while stack probing.
1426
1427 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
1428
1429         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
1430         in C++0x mode.
1431
1432 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
1433
1434         PR libmudflap/26442
1435         * tree-mudflap.c (mx_register_decls): Guard warning by
1436         !DECL_ARTIFICIAL check.
1437
1438 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
1439
1440         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
1441         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
1442         sse5_perm<mode>): Fix constraints.