gcc/ChangeLog

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