gcc/ChangeLog

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