gcc/ChangeLog

   1 2008-03-26  Richard Guenther  <rguenther@suse.de>
   2
   3         * tree-flow.h (widen_bitfield): Remove declaration.
   4         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
   5         (widen_bitfield): Remove function.
   6         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
   7         code.
   8
   9 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
  10
  11         PR target/31558
  12         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
  13         error_mark_node's.
  14
  15 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
  16
  17         PR rtl-optimization/35232
  18         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
  19         (forget_old_reloads_1, forget_marked_reloads): Don't clear
  20         reg_reloaded_call_part_clobbered here.
  21         (reload_regs_reach_end_p): New function.
  22         (reload_reg_rtx_for_input): New variable.
  23         (reload_reg_rtx_for_output): Likewise.
  24         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
  25         when reassigning a pseudo register.  Load reloadreg from
  26         reload_reg_rtx_for_input, moving the mode and register
  27         calculation to...
  28         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
  29         instead of the original when deciding whether an input reload
  30         would be a no-op or whether an output reload can be deleted.
  31         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
  32         when setting up new_spill_reg_store.  Load it from
  33         reload_reg_rtx_for_output, moving the mode and register
  34         calculation to...
  35         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
  36         instead of the original when deciding whether an output reload
  37         would be a no-op.  Do the same when modifying insn notes.
  38         Use rtx_equal_p instead of == to compare the registers.
  39         (inherit_piecemeal_p): Take a mode and two register numbers
  40         as argument.
  41         (emit_reload_insns): Clear new_spill_reg_store for every hard
  42         register in the reload register.  Remove spill registers
  43         from reg_reloaded_valid before considering whether to record
  44         inheritance information for them.  Use reload_reg_rtx_for_output
  45         instead of reg_rtx when recording output reloads.  Use
  46         reload_reg_rtx_for_input instead of reg_rtx when recording
  47         input reloads.  Set or clear reg_reloaded_call_part_clobbered
  48         at the same time as setting reg_reloaded_valid.
  49         (delete_output_reload): Add a new_reload_reg parameter and use it
  50         instead of rld[j].reg_rtx.
  51         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
  52         calls accordingly.
  53
  54 2008-03-25  Tom Tromey  <tromey@redhat.com>
  55
  56         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
  57         (build/genattr.o): Likewise.
  58         (build/genattrtab.o): Likewise.
  59         (build/gencodes.o): Likewise.
  60         (build/genconfig.o): Likewise.
  61         (build/genconstants.o): Likewise.
  62         (build/genemit.o): Likewise.
  63         (build/genextract.o): Likewise.
  64         (build/genflags.o): Likewise.
  65
  66 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
  67
  68         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
  69         instead of size_int for integer types.
  70         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
  71         to match type of MINUS_EXPR.
  72
  73 2008-03-25  Tom Tromey  <tromey@redhat.com>
  74
  75         * configure: Rebuilt.
  76         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
  77         Makefile.
  78
  79 2008-03-25  Tom Tromey  <tromey@redhat.com>
  80
  81         * config/x-solaris (host-solaris.o): Update.
  82         * config/x-linux (host-linux.o): Update.
  83         * config/x-hpux (host-hpux.o): Update.
  84         * config/x-darwin (host-darwin.o): Update.
  85         * config/v850/t-v850e (v850-c.o): Update.
  86         * config/v850/t-v850 (v850-c.o): Update.
  87         * config/t-vxworks (vxworks.o): Update.
  88         * config/t-sol2 (sol2-c.o, sol2.o): Update.
  89         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o):
  90         Update.
  91         * config/spu/t-spu-elf (spu-c.o): Update.
  92         (spu.o): Remove.
  93         * config/sh/t-symbian (sh-c.o): Update.
  94         (symbian.o): Update.
  95         * config/sh/t-sh (sh-c.o): Update.
  96         * config/score/t-score-elf (score7.o, score3.o): Update.
  97         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
  98         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
  99         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
 100         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
 101         (rs6000.o): Remove.
 102         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
 103         * config/m32c/t-m32c (m32c-pragma.o): Update.
 104         * config/ia64/t-ia64 (ia64-c.o): Update.
 105         * config/i386/x-mingw32 (host-mingw32.o): Update.
 106         * config/i386/x-i386 (driver-i386.o): Update.
 107         * config/i386/x-darwin (host-i386-darwin.o): Update.
 108         * config/i386/x-cygwin (host-cygwin.o): Update.
 109         * config/i386/t-nwld (nwld.o): Update.
 110         * config/i386/t-netware (netware.o): Update.
 111         * config/i386/t-interix (winnt.o): Update.
 112         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
 113         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
 114         msformat-c.o): Update.
 115         * config/bfin/t-bfin-linux (generated_files): Add
 116         linux-sysroot-suffix.h.
 117         * config/arm/t-wince-pe (pe.o): Update.
 118         * config/arm/t-strongarm-pe (pe.o): Update.
 119         * config/arm/t-pe (pe.o): Update.
 120         * config/arm/t-arm (arm-c.o): Update.
 121         * doc/install.texi (Prerequisites): Require make 3.80.
 122         * Makefile.in: Remove .o targets.
 123         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
 124         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
 125         (simple_generated_h, simple_generated_c): Move earlier.
 126         (generated_files): New variable.
 127         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
 128         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
 129         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
 130         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
 131         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
 132         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
 133         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
 134         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
 135         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
 136         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
 137         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
 138         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
 139         (.c.o): Remove.
 140         (COMPILE.base, COMPILE): New variables.
 141         (%.o): New pattern rule.
 142         (ALL_HOST_OBJS): New variable.
 143         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
 144         (dummy-checksum.o, cc1-checksum.o): Remove.
 145         (DRIVER_SHLIB): New variable.
 146         (DRIVER_DEFINES): Use it.
 147         (gencondmd.c): Move out of build/.
 148         (s-conditions): Update.
 149         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
 150         (ALL_BUILD_OBJS): Likewise.
 151         (build/%.o): Use BUILDCOMPILE.
 152         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
 153         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
 154         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
 155         build/gencheck.o, build/gencodes.o, build/genconditions.o,
 156         build/genconfig.o, build/genconstants.o, build/genemit.o,
 157         build/genextract.o, build/genflags.o, build/genmddeps.o,
 158         build/genopinit.o, build/genoutput.o, build/genpeep.o,
 159         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
 160         build/gen-protos.o, build/scan.o, build/fix-header.o,
 161         build/scan-decls.o): Simplify.
 162         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
 163         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
 164         prefix.o, toplev.o): Reduce to variable setting.
 165         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move
 166         later.
 167         ($(out_object_file), gcc-options.o): New targets.
 168         ($(ALL_HOST_OBJS)): New target.
 169         Include dependency files.
 170         * configure: Rebuilt.
 171         * configure.ac: Call ZW_CREATE_DEPDIR,
 172         ZW_PROG_COMPILER_DEPENDENCIES.
 173         * doc/sourcebuild.texi (Front End Directory): Document new
 174         variable.
 175
 176 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
 177
 178        * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
 179        complain when we hit an error, return ERROR_MARK_NODE.
 180
 181 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
 182
 183         * config/sh/constraints.md (Pso, Psz): New constraints.
 184         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
 185         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
 186
 187 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
 188
 189         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if
 190         possible.
 191         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
 192
 193 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
 194
 195         * config/sh/sh.md (prefetch): Add condition for SH2A target.
 196         (prefetch_sh2a): New.
 197
 198 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
 199             Naveen.H.S  <naveen.hs@kpitcummins.com>
 200
 201         * config/sh/constraints.md (I28): New constraint.
 202         * config/sh/sh.c (broken_move): Add support for movi20s.
 203         * config/sh/sh.md (movsi_ie): Add the alternative for
 204         movi20s.
 205
 206 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
 207             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
 208             Naveen.H.S  <naveen.hs@kpitcummins.com>
 209
 210         * config/sh/sh.c (SH_ATTRIBUTES): Define.
 211         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
 212         (print_operand): Handle resbank in %@ operand code.
 213         (sh_encode_section_info): New.
 214         (push_regs): Add conditions for resbank.
 215         (sh_expand_epilogue): Likewise.
 216         (sh_insert_attributes): Likewise.
 217         (sh_attribute_table): Likewise.
 218         (sh_handle_resbank_handler_attribute): New.
 219         (sh2a_handle_function_vector_handler_attribute): New.
 220         (sh2a_is_function_vector_call): New.
 221         (sh2a_get_function_vector_number): New.
 222         (sh2a_function_vector_p): New.
 223         (sh_cfun_resbank_handler_p): New.
 224         * config/sh/sh.md (calli): Emit jsr/n if possible.
 225         (calli_tbr_rel): New.
 226         (calli_pcrel): Emit jsr/n if possible.
 227         (return_i): Emit rts/n if possible.
 228         (call_valuei_tbr_rel): New.
 229         (call_valuei_pcrel): Add condition for SH2A target.
 230         (call_value): Likewise.
 231         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
 232         (sh2a_get_function_vector_number): Likewise.
 233         (sh2a_is_function_vector_call): Likewise.
 234         * doc/extend.texi: Document TBR relative addressing of SH2A.
 235         (resbank): Add description for SH2A.
 236
 237 2008-03-24  Richard Guenther  <rguenther@suse.de>
 238
 239         PR c/22371
 240         * gimplify.c (gimplify_modify_expr): For frontend type-correct
 241         pointer assignments change conversions according to middle-end rules.
 242         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
 243         * configure.ac: Include type checking in yes.
 244         * configure: Regenerate.
 245
 246 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 247
 248         * diagnostic.c (diagnostic_count_diagnostic): Delete.
 249         (diagnostic_report_diagnostic): Update. Handle ICEs here.
 250
 251 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
 252
 253         * gthr-vxworks.h (UNUSED): Define.
 254
 255 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
 256
 257         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and
 258         CX_REG.
 259
 260 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
 261
 262         * doc/extend.texi (Function Attributes): Add missing comma in the
 263         example of the "alloc_size" attribute.
 264
 265 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
 266
 267         Revert:
 268         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
 269
 270         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
 271         32bit host.
 272
 273         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
 274
 275         PR target/35496
 276         * stor-layout.c (update_alignment_for_field): Set minimum alignment
 277         of the underlying type of a MS bitfield layout to the natural
 278         alignment of the type.
 279
 280         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
 281
 282         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
 283         to their natural alignment to avoid store forwarding stalls.
 284
 285 2008-03-22  Richard Guenther  <rguenther@suse.de>
 286
 287         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
 288         For PHI nodes verify the address is invariant.
 289         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
 290         (get_symbol_constant_value): Use is_gimple_min_invariant.
 291         (maybe_fold_stmt_indirect): Likewise.
 292
 293 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
 294
 295         PR rtl-optimization/33927
 296         * Makefile.in (dse.o): Depend on $(TM_P_H).
 297         * expr.h (extract_low_bits): Declare.
 298         * expmed.c (extract_low_bits): New function.
 299         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
 300         * dse.c: Include tm_p.h.
 301         (find_shift_sequence): Remove the read_reg argument and return the
 302         read value.  Emit the instructions instead of returning them.
 303         Iterate on new_mode rather than calculating it each time.
 304         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
 305         source to NEW_MODE and extract_low_bits to convert the shifted
 306         value to READ_MODE.
 307         (replace_read): Allow the load and store to have different mode
 308         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
 309         or extraction instructions before trying the replacement.  Update
 310         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
 311
 312 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
 313
 314         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
 315         to their natural alignment to avoid store forwarding stalls.
 316
 317 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 318
 319         PR target/27946
 320         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
 321         encouraging but not allowing gprs for input;
 322         change the input constraint to !f#r.
 323         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
 324         gprs for output;
 325         change the output constraint to !f#r.
 326
 327 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
 328
 329         PR target/13958
 330         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
 331         corresponding post-reload splitters.
 332         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
 333         when x87 FP math is selected.
 334         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
 335         New function prototype.
 336         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
 337         unreachable function to ease macroization of insn patterns.
 338
 339 2008-03-21  Martin Jambor  <mjambor@suse.cz>
 340
 341         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
 342         reference dumps if ddr is NULL or dependence is unknown.
 343
 344 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
 345
 346         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
 347         unsigned extension into account.
 348         (ATOMIC_COMPARE_AND_SWAP): Likewise.
 349         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
 350         Do computations on a scratch register.
 351
 352 2008-03-21  Richard Guenther  <rguenther@suse.de>
 353
 354         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
 355         Use is_gimple_min_invariant instead of TREE_INVARIANT.
 356         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
 357         * tree-ssa-dom.c (record_equality): Likewise.
 358         * tree-inline.c (copy_body_r): Likewise.
 359         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
 360         TREE_INVARIANT.
 361
 362 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
 363
 364         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
 365         as 'delete_unused' argument.
 366
 367 2008-03-20  Richard Guenther  <rguenther@suse.de>
 368
 369         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
 370         special casing of constant qualifiers.
 371         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
 372         care about them in general.
 373         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
 374         regardless of their type.
 375         (fold_stmt_r): Forcefully fold *& if we end up with that.
 376
 377 2008-03-20  Paul Brook  <paul@codesourcery.com>
 378
 379         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
 380         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
 381         linker flags.
 382         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
 383         definition.
 384         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
 385         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
 386
 387 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
 388
 389         * common.opt (Wmudflap): New option.
 390         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
 391         (mx_register_decls): Likewise.
 392         (mudflap_finish_file): Likewise.
 393         * doc/invoke.texi: Document -Wno-mudflap.
 394
 395 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
 396
 397         * c-format.c (replace_format_name_to_system_name): New.
 398         (cmp_attribs): New.
 399         (convert_format_name_to_system_name): New.
 400         (decode_format_attr): Add use of convert_format_name_to_system_name.
 401         (format_types_orig): Add gnu_ prefix to names.
 402         (check_format_info_main): Special treating of \0 escaped names for
 403         supporting multi-character format specifiers as I32, I64.
 404         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
 405         (gnu_target_overrides_format_attributes): New.
 406         * c-format.h: Add structure target_ovr_attr to hold
 407         system specific formatter names.
 408         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
 409         msformat-c.o file to c_target_objs and cxx_target_objs.
 410         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
 411         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
 412         (TARGET_N_FORMAT_TYPES): New.
 413         * config/i386/msformat-c.c: New.
 414         * config/i386/t-cygming: Add build rule for msformat-c.o.
 415         * doc/extend.texi: Add new format names gnu_* and ms_* and
 416         further details.
 417         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
 418
 419 2008-03-20  Ira Rosen  <irar@il.ibm.com>
 420
 421         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
 422         optimizations turned on under -O3.
 423         (ftree-vectorize): Add that the flag is turned on with -O3.
 424
 425 2008-03-20  Ben Elliston  <bje@au.ibm.com>
 426
 427         * regmove.c (try_auto_increment): Fix spelling error in comment.
 428         * final.c (final_scan_insn): Likewise.
 429
 430 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
 431
 432         PR target/14552
 433         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
 434         allocator preferences for "y" and "r" class registers.
 435         ("*mov<mode>_internal"): Ditto.
 436         ("*movv2sf_internal_rex64"): Ditto.
 437         ("*movv2sf_internal"): Ditto.
 438
 439 2008-03-19  Michael Matz  <matz@suse.de>
 440
 441         PR middle-end/35616
 442         * calls.c (expand_call): Check overlap of arguments with call
 443         address for sibcalls.
 444
 445 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
 446
 447         PR target/35496
 448         * stor-layout.c (update_alignment_for_field): Set minimum alignment
 449         of the underlying type of a MS bitfield layout to the natural
 450         alignment of the type.
 451
 452 2008-03-19  Jan Hubicka  <jh@suse.cz>
 453
 454         PR other/35094
 455         * toplev.c (decode_d_option): Handle all CPP flags.
 456         * tree-vrp.c: Update tree_pass descriptors.
 457         * regrename.c: Update tree_pass descriptors.
 458         * fwprop.c: Update tree_pass descriptors.
 459         * doc/invoke.texi: Remove documentation of dropped -d? flags.
 460         * tree-into-ssa.c: Update tree_pass descriptors.
 461         * tree-dump.c: Update tree_pass descriptors.
 462         * tree-complex.c: Update tree_pass descriptors.
 463         * tree-dump.h: Update tree_pass descriptors.
 464         * see.c: Update tree_pass descriptors.
 465         * cgraphbuild.c: Update tree_pass descriptors.
 466         * tracer.c: Update tree_pass descriptors.
 467         * tree-loop-distribution.c: Update tree_pass descriptors.
 468         * cgraph.c: Update tree_pass descriptors.
 469         * postreload-gcse.c: Update tree_pass descriptors.
 470         * postreload.c: Update tree_pass descriptors.
 471         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
 472         * tree-tailcall.c: Update tree_pass descriptors.
 473         * tree-pass.h (tree_opt_pass): Rename to ...
 474         (opt_pass) ... this one; add "type" field and remove letter field.
 475         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
 476         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
 477         all_lowering_passes): Update declaration.
 478         * ipa-cp.c: Update tree_pass descriptors.
 479         * final.c: Update tree_pass descriptors.
 480         * omp-low.c: Update tree_pass descriptors.
 481         * tree-ssa-dse.c: Update tree_pass descriptors.
 482         * ipa-reference.c: Update tree_pass descriptors.
 483         * tree-ssa-uncprop.c: Update tree_pass descriptors.
 484         * auto-inc-dec.c: Update tree_pass descriptors.
 485         * reorg.c: Update tree_pass descriptors.
 486         * cgraphunit.c: Update tree_pass descriptors.
 487         * tree-ssa-copyrename.c: Update tree_pass descriptors.
 488         * tree-ssa-ccp.c: Update tree_pass descriptors.
 489         * df-core.c: Update tree_pass descriptors.
 490         * mode-switching.c: Update tree_pass descriptors.
 491         * tree-nomudflap.c: Update tree_pass descriptors.
 492         * modulo-sched.c: Update tree_pass descriptors.
 493         * ipa-pure-const.c: Update tree_pass descriptors.
 494         * cse.c: Update tree_pass descriptors.
 495         * web.c: Update tree_pass descriptors.
 496         * tree-stdarg.c: Update tree_pass descriptors.
 497         * tree-ssa-math-opts.c: Update tree_pass descriptors.
 498         * tree-ssa-dom.c: Update tree_pass descriptors.
 499         * tree-nrv.c: Update tree_pass descriptors.
 500         * tree-ssa-alias.c: Update tree_pass descriptors.
 501         * loop-init.c: Update tree_pass descriptors.
 502         * gimple-low.c: Update tree_pass descriptors.
 503         * ipa-inline.c: Update tree_pass descriptors.
 504         * tree-ssa-sink.c: Update tree_pass descriptors.
 505         * global.c: Update tree_pass descriptors.
 506         * ifcvt.c: Update tree_pass descriptors.
 507         * jump.c: Update tree_pass descriptors.
 508         * predict.c: Update tree_pass descriptors.
 509         * tree-ssa-loop.c: Update tree_pass descriptors.
 510         * recog.c: Update tree_pass descriptors.
 511         * dse.c: Update tree_pass descriptors.
 512         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
 513         * tree-eh.c: Update tree_pass descriptors.
 514         * regmove.c: Update tree_pass descriptors.
 515         * local-alloc.c
 516         * function.c: Update tree_pass descriptors.
 517         * tree-vectorizer.c: Update tree_pass descriptors.
 518         * gcse.c: Update tree_pass descriptors.
 519         * ipa-type-escape.c: Update tree_pass descriptors.
 520         * tree-if-conv.c: Update tree_pass descriptors.
 521         * init-regs.c: Update tree_pass descriptors.
 522         * ipa.c: Update tree_pass descriptors.
 523         * tree-ssa-phiopt.c: Update tree_pass descriptors.
 524         * rtl-factoring.c: Update tree_pass descriptors.
 525         * lower-subreg.c: Update tree_pass descriptors.
 526         * bt-load.c: Update tree_pass descriptors.
 527         * tree-dfa.c: Update tree_pass descriptors.
 528         * except.c: Update tree_pass descriptors.
 529         * emit-rtl.c: Update tree_pass descriptors.
 530         * cfgexpand.c: Update tree_pass descriptors.
 531         * tree-cfgcleanup.c: Update tree_pass descriptors.
 532         * cfgcleanup.c: Update tree_pass descriptors.
 533         * tree-ssa-pre.c: Update tree_pass descriptors.
 534         * tree-sra.c: Update tree_pass descriptors.
 535         * tree-mudflap.c: Update tree_pass descriptors.
 536         * tree-ssa-copy.c: Update tree_pass descriptors.
 537         * cfglayout.c: Update tree_pass descriptors.
 538         * tree-ssa-forwprop.c: Update tree_pass descriptors.
 539         * tree-ssa-dce.c: Update tree_pass descriptors.
 540         * tree-ssa.c: Update tree_pass descriptors.
 541         * regclass.c: Update tree_pass descriptors.
 542         * integrate.c: Update tree_pass descriptors.
 543         * tree-optimize.c: Update tree_pass descriptors.
 544         * tree-ssa-phiprop.c: Update tree_pass descriptors.
 545         * tree-object-size.c: Update tree_pass descriptors.
 546         * combine.c: Update tree_pass descriptors.
 547         * tree-outof-ssa.c: Update tree_pass descriptors.
 548         * bb-reorder.c: Update tree_pass descriptors.
 549         * stack-ptr-mod.c: Update tree_pass descriptors.
 550         * var-tracking.c: Update tree_pass descriptors.
 551         * tree-profile.c: Update tree_pass descriptors.
 552         * tree-vect-generic.c: Update tree_pass descriptors.
 553         * reg-stack.c: Update tree_pass descriptors.
 554         * sched-rgn.c: Update tree_pass descriptors.
 555         * tree-ssa-structalias.c: Update tree_pass descriptors.
 556         * tree-cfg.c: Update tree_pass descriptors.
 557         * passes.c (current_pass): Update declaration.
 558         (finish_optimization_passes): Update.
 559         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
 560         (register_one_dump_file, register_dump_files_1, next_pass_1):
 561         Update arguments.
 562         (init_optimization_passes): Update handling of new types.
 563         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
 564         * ipa-struct-reorg.c: Update tree_pass descriptors.
 565         * tree-ssa-reassoc.c: Update tree_pass descriptors.
 566         * combine-stack-adj.c: Update tree_pass descriptors.
 567         * cfgrtl.c: Update tree_pass descriptors.
 568         * dce.c: Update tree_pass descriptors.
 569         * tree-ssanames.c: Update tree_pass descriptors.
 570
 571 2008-03-19  Richard Guenther  <rguenther@suse.de>
 572
 573         PR middle-end/35609
 574         * tree-ssa.c (always_executed): New global flag.
 575         (warn_uninitialized_var): If !always_executed warn with "maybe"
 576         instead of "is".
 577         (execute_early_warn_uninitialized): Compute post-dominators.
 578         Initialize always_executed before processing each basic block.
 579
 580 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
 581
 582         PR target/35504
 583         * config/i386/i386.c (x86_this_parameter): Calculate correct location
 584         of "this" pointer when "regparm = N" or "fastcall" is in effect.
 585
 586 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 587
 588         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
 589
 590 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
 591
 592         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
 593         is true.
 594         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
 595         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
 596         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
 597         target after ignore has been set, and move there also the commputation
 598         of subtarget and original_target.
 599         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
 600         (LANG_HOOKS_INITIALIZER): Remove it.
 601         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
 602
 603 2008-03-18  Richard Guenther  <rguenther@suse.de>
 604
 605         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
 606         found an expression with constants, note that in the VN for the lhs.
 607         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
 608         fold them to constants if possible.  Run cleanup_cfg if done so.
 609         (execute_pre): Return todo.
 610         (do_pre): Likewise.
 611         (execute_fre): Likewise.
 612         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
 613         of constants.
 614         (get_prop_source_stmt): Look through pointer conversions.
 615
 616 2008-03-18  Jan Hubicka  <jh@suse.cz>
 617
 618         * tree-pretty-print.c: Include predict.h.
 619         (dump_generic_node): Dump predictor.
 620         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
 621         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
 622         * gimple-low.c (lower_stmt): Likewise.
 623         * expr.c (expand_expr_real): Likewise.
 624         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
 625         them.
 626         (build_predict_expr, build_predict_expr): New.
 627         * predict.h (predictor_name, build_predict_expr): Update.
 628         * c-typeck.c (c_finish_bc_stmt): Add prediction.
 629         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
 630         * predict.def (PRED_CONTINUE): Update hitrate.
 631         * tree.def (PREDICT_EXPR): Define.
 632         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
 633         do not handle BIND_EXPR.
 634         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
 635         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
 636         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
 637         operands.
 638
 639 2008-03-18  Michael Matz  <matz@suse.de>
 640
 641         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
 642
 643 2008-03-18  Richard Guenther  <rguenther@suse.de>
 644
 645         * tree-gimple.h (is_gimple_invariant_address): Declare.
 646         (is_gimple_constant): Likewise.
 647         * tree-gimple.c (is_gimple_constant): New function.
 648         (is_gimple_invariant_address): Likewise.
 649         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
 650         and is_gimple_invariant_address.
 651         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
 652         previous change.
 653         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
 654         an addressable base.
 655
 656 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
 657
 658         PR middle-end/35611
 659         * gimplify.c (gimplify_expr): Gimplify second operand of
 660         OMP_ATOMIC_LOAD.
 661
 662 2008-03-17  Richard Guenther  <rguenther@suse.de>
 663
 664         PR tree-optimization/19637
 665         * fold-const.c (fold_unary): Remove restrictions of removing
 666         intermediate pointer-conversions (P2)(P1)P0.
 667         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
 668         conversion to void pointer.
 669         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
 670
 671 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
 672
 673         PR debug/31510
 674         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
 675         emulated thread local variables.
 676
 677 2008-03-16  Richard Guenther  <rguenther@suse.de>
 678
 679         PR middle-end/35607
 680         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
 681         expand TREE_INVARIANT operations that are not gimple invariant.
 682
 683 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
 684
 685         * doc/extend.texi (Alignment): Say that the ABI controls
 686         the __alignof__ for non-strict-alignment targets rather
 687         than being a recommendation.
 688
 689 2008-03-15  Paul Brook  <paul@codesourcery.com>
 690
 691         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
 692         annotations.
 693         (arm_output_fn_unwind): Mark functions that can not be unwound.
 694
 695 2008-03-15  Paul Brook  <paul@codesourcery.com>
 696
 697         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
 698         extension instructions.
 699
 700 2008-03-15  Richard Guenther  <rguenther@suse.de>
 701
 702         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
 703         and fold constant aggregate refs.
 704         (fold_const_aggregate_ref): Handle string constants
 705         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
 706         (evaluate_stmt): Simplify now that ccp_fold folds constant
 707         aggregate refs.
 708
 709 2008-03-15  Paul Brook  <paul@codesourcery.com>
 710
 711         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
 712         (extzv): Use gen_extzv_t2.
 713         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
 714
 715 2008-03-15  Richard Guenther  <rguenther@suse.de>
 716
 717         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
 718         (fold_const_aggregate_ref): Likewise.
 719         (get_value): Return NULL if we don't have any values.
 720         (ccp_finalize): Set const_val to NULL after freeing it.
 721         * tree-flow.h (get_symbol_constant_value): Declare.
 722         (fold_const_aggregate_ref): Likewise.
 723         * tree-ssa-sccvn.c (try_to_simplify): Use them.
 724
 725 2008-03-15  Richard Guenther  <rguenther@suse.de>
 726
 727         PR middle-end/35593
 728         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
 729         to not produce negative array indices if not allowed.  Add
 730         parameter to indicate that.
 731         (maybe_fold_offset_to_component_ref): Allow negative array
 732         indices only for the first member of a structure.
 733         (maybe_fold_offset_to_reference): Allow negative array indices.
 734         (maybe_fold_stmt_addition): Likewise.
 735
 736 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
 737             Anatoly Sokolov <aesok@post.ru>
 738
 739         * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
 740         (avr_arch): Add ARCH_AVR6.
 741         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
 742         (initial_elimination_offset): Initialize and use 'avr_pc_size'
 743         instead of fixed value 2.
 744         (print_operand_address): Use gs() asm specifier instead of pm().
 745         (avr_assemble_integer): (Ditto.).
 746         (avr_output_addr_vec_elt): (Ditto.).
 747         (print_operand): Handle "!" code.
 748         * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
 749         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
 750         (AVR_HAVE_EIJMP_EICALL): Define.
 751         (AVR_3_BYTE_PC): Redefine.
 752         (AVR_2_BYTE_PC): (Ditto.).
 753         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
 754         (LINK_SPEC): Add atmega2560 and atmega2561.
 755         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
 756         (crtm2561.o).
 757         * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall
 758         for 3 byte PC devices.
 759         (call_value_insn): (Ditto.).
 760         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
 761         (indirect_jump): Use only for for 2 byte PC devices.
 762         (*tablejump): (Ditto.).
 763         (*indirect_jump_avr6): Add insn.
 764         (*tablejump_rjmp): Don't use for 3 byte PC devices.
 765         * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp
 766         instead of ijmp for 3 byte PC devices.
 767         (__tablejump2__): (Ditto.).
 768         * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
 769         (MULITLIB_DIRNAMES): (Ditto.).
 770         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
 771
 772 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
 773
 774         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
 775         "sse2_umulsidi3".  Use V1DI mode for operand 0.
 776         ("mmx_psadbw"): Use V1DI mode for operand 0.
 777         * config/i386/i386-modes.def (V1SI): New vector mode.
 778         * config/i386/i386.c (struct builtin_description)
 779         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
 780         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
 781         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
 782         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
 783         v1di_ftype_v8qi_v8qi type.
 784         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
 785
 786         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
 787         __builtin_ia32_pmuludq]: Fix the mode of return value.
 788
 789 2008-03-15  Richard Guenther  <rguenther@suse.de>
 790
 791         PR middle-end/35595
 792         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
 793         being a PHI_NODE.
 794
 795 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
 796
 797         * doc/invoke.texi (Option Summary, Xtensa Options): Document
 798         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
 799         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
 800         unless TARGET_SERIALIZE_VOLATILE is enabled.
 801         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
 802         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
 803         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
 804
 805 2008-03-14  Richard Guenther  <rguenther@suse.de>
 806
 807         PR tree-optimization/34172
 808         * tree-flow.h (refs_may_alias_p): Declare.
 809         (get_single_def_stmt): Likewise.
 810         (get_single_def_stmt_from_phi): Likewise.
 811         (get_single_def_stmt_with_phi): Likewise.
 812         * tree-dfa.c (refs_may_alias_p): New function.
 813         (get_single_def_stmt): Likewise.
 814         (get_single_def_stmt_from_phi): Likewise.
 815         (get_single_def_stmt_with_phi): Likewise.
 816         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
 817         (vn_reference_lookup_1): New helper function.
 818         (vn_reference_lookup): Walk the virtual use-def chain to
 819         continue searching for a match if the def does not alias the
 820         reference we are looking for.
 821
 822 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
 823
 824         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
 825         archive and Perzl.  Update The Written Word listing.
 826
 827 2008-03-14  Richard Guenther  <rguenther@suse.de>
 828
 829         PR tree-optimization/34043
 830         PR tree-optimization/33989
 831         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
 832         when doing FRE.
 833         (bitmap_find_leader): Use extra argument to verify dominance
 834         relationship inside a basic-block.
 835         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
 836         (find_leader_in_sets): Adjust.
 837         (create_component_ref_by_pieces): Take extra argument for
 838         dominance check, handle lookup failures.
 839         (find_or_generate_expression): Likewise.
 840         (create_expression_by_pieces): Likewise.
 841         (insert_into_preds_of_block): Adjust.
 842         (create_value_expr_from): If asked for, verify all operands
 843         are in the blocks AVAIL_OUT set.
 844         (make_values_for_stmt): Check for SSA_NAMEs that are life
 845         over an abnormal edge.
 846         (compute_avail): Remove such check.
 847         (do_SCCVN_insertion): New function.
 848         (eliminate): If we do not find a leader suitable for replacement
 849         insert a replacement expression from SCCVN if available.
 850         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
 851         (struct vn_ssa_aux): Add needs_insertion flag.
 852         * tree-ssa-sccvn.c (may_insert): New global flag.
 853         (copy_reference_ops_from_ref): Value-number union member access
 854         based on its size, not type and member if insertion is allowed.
 855         (visit_reference_op_load): For a weak match from union type
 856         punning lookup a view-converted value and insert a SSA_NAME
 857         for that value if that is not found.
 858         (visit_use): Make dumps shorter.  Do not disallow value numbering
 859         SSA_NAMEs that are life over an abnormal edge to constants.
 860         (free_scc_vn): Release inserted SSA_NAMEs.
 861         (run_scc_vn): New flag to specify whether insertion is allowed.
 862         Process SSA_NAMEs in forward order.
 863         * tree-ssa-loop-im.c (for_each_index): Handle invariant
 864         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
 865         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
 866         pointer type to/from integral types that do not change the
 867         precision to regular conversions.
 868
 869 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
 870
 871         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
 872         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
 873         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
 874         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
 875         input arguments and the mode of return value.  Built-in functions
 876         that operate on whole 64-bit MMX register now use V1DI mode.
 877
 878 2008-03-13  Alon Dayan  <alond@il.ibm.com>
 879             Olga Golovanevsky  <olga@il.ibm.com>
 880
 881         PR tree-optimization/35041
 882         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
 883         to locate the right position in a statement.
 884
 885 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
 886
 887         PR target/34000
 888         PR target/35553
 889         * config/i386/xmmintrin.h:  Change all static inline functions to
 890         extern inline and add __gnu_inline__ attribute.
 891         * config/i386/bmintrin.h: Ditto.
 892         * config/i386/smmintrin.h: Ditto.
 893         * config/i386/tmmintrin.h: Ditto.
 894         * config/i386/mmintrin-common.h: Ditto.
 895         * config/i386/ammintrin.h: Ditto.
 896         * config/i386/emmintrin.h: Ditto.
 897         * config/i386/pmmintrin.h: Ditto.
 898         * config/i386/mmintrin.h: Ditto.
 899         * config/i386/mm3dnow.h: Ditto.
 900
 901 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
 902
 903         PR middle-end/35185
 904         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
 905         (lower_omp_2): New function.
 906         (lower_omp_1, lower_omp): Rewritten.
 907
 908 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
 909
 910         PR 35054
 911         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
 912         with the phrase "Microsoft Windows compilers".
 913         (Push/Pop Macro Pragmas): New subsection. Document
 914         #pragma push_macro and pragma pop_macro.
 915
 916 2008-03-12  Paul Brook  <paul@codesourcery.com>
 917
 918         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
 919
 920 2008-03-12  Paul Brook  <paul@codesourcery.com>
 921
 922         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
 923         (thumb2_alusi3_short): Exclude PLUS and MINUS.
 924         (thumb2_addsi_shortim): Rename ...
 925         (thumb2_addsi_short): ... to this.  Allow register operands.
 926         (thumb2_subsi_short): New pattern.
 927         (thumb2_one_cmplsi2_short,
 928         thumb2_negsi2_short): New patterns and peepholes.
 929
 930 2008-03-12  Paul Brook  <paul@codesourcery.com>
 931
 932         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
 933
 934 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
 935
 936         * config/i386/i386.md (int_cond): New code iterator.
 937         (fp_cond): Ditto.
 938         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
 939         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
 940         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
 941         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
 942         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
 943         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
 944         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
 945         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
 946
 947 2008-03-12  Paul Brook  <paul@codesourcery.com>
 948
 949         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
 950         instead of {arm,thumb}_compute_save_reg_mask.
 951         (output_return_instruction): Ditto.
 952         (thumb_unexpanded_epilogue): Ditto.
 953         (thumb1_expand_prologue): Ditto.
 954         (thumb1_output_function_prologue): Ditto.
 955         (arm_set_return_address): Ditto.
 956         (thumb_set_return_address): Ditto.
 957         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
 958         regs to achieve stack alignment.
 959         (thumb1_compute_save_reg_mask): Fix compiler warning.
 960         (arm_output_epilogue): Use offsets->saved_regs_mask.
 961         Adjust stack pointer by poping call clobered registers.
 962         (arm_expand_prologue): Use offsets->saved_regs_mask.
 963         Adjust stack pointer by pushing extra registers.
 964         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
 965
 966 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
 967
 968         PR tree-opt/35422
 969         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
 970         conversion to the operands of a multiplication.
 971
 972 2008-03-12  Richard Guenther  <rguenther@suse.de>
 973
 974         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
 975         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
 976         * timevar.def (TV_TREE_PHIPROP): Add.
 977         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
 978         pass description.  Use TV_TREE_PHIPROP.
 979         * tree-ssa-forwprop.c: Remove phiprop code.
 980
 981 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
 982
 983         PR middle-end/35549
 984         * omp-low.c (maybe_lookup_decl): Constify first argument.
 985         (use_pointer_for_field): Change last argument from bool to
 986         omp_context *.  Disallow shared copy-in/out in nested
 987         parallel if decl is shared in outer parallel too.
 988         (build_outer_var_ref, scan_sharing_clauses,
 989         lower_rec_input_clauses, lower_copyprivate_clauses,
 990         lower_send_clauses, lower_send_shared_vars): Adjust callers.
 991
 992 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
 993             Ira Rosen  <irar@il.ibm.com>
 994
 995         * tree-vectorizer.c (free_stmt_vec_info): New function.
 996         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
 997         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
 998         * tree-vectorizer.h (free_stmt_vec_info): Declare.
 999         * tree-vect-transform.c (vectorizable_conversion): Free
1000         vec_oprnds0 if it was allocated.
1001         (vect_permute_store_chain): Remove unused VECs.
1002         (vectorizable_store): Free VECs that are allocated in the..
1003         function.
1004         (vect_transform_strided_load, vectorizable_load): Likewise.
1005         (vect_remove_stores): Simplify the code.
1006         (vect_transform_loop): Move code to vect_remove_stores().
1007         Call vect_remove_stores() and free_stmt_vec_info().
1008
1009 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1010
1011         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
1012         TARGET_HPUX.  Revise comment.
1013         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
1014         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
1015         Use sr4 variant of `be' instruction when not generating PIC code.
1016         (attr_length_call): Adjust for above change.
1017
1018 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1019
1020         * ipa-reference.c (static_execute): Remove module_statics_const and
1021         associated setting code.
1022
1023 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
1024
1025         PR target/35540
1026         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
1027         predicate for operand 1.
1028         (paritysi2_cmp): Use register_operand predicate for operand 2.
1029         Use earlyclobber modifier for operand 1.  Remove support for
1030         memory operands.
1031         (paritydi2_cmp): Use register_operand predicate for operand 3.
1032         Use earlyclobber modifier for operand 1.  Remove support for
1033         memory operands.
1034
1035 2008-03-11  Paul Brook  <paul@codesourcery.com>
1036             Vladimir Prus  <vladimir@codesourcery.com>
1037
1038         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
1039         (arm_compute_save_reg0_reg12_mask): Always
1040         check if register 11 must be saved.  Always safe hard frame pointer
1041         when frame_pointer_needeed.
1042         (arm_compute_save_reg_mask): Save IP and PC
1043         only with apcs frames.
1044         (arm_output_epilogue): Adjust Thumb2 codepath to
1045         be also invoked and work for ARM non-apcs frames.
1046         (arm_expand_prologue): Don't bother saving IP
1047         for non-apcs frame, since it's not clobbered by
1048         prologue code.  Implement non-apcs frame
1049         layout.
1050
1051 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
1052
1053         PR rtl-optimization/35281
1054         * expr.c (convert_move): Use a new pseudo for the intermediate
1055         from_mode->word_mode result.
1056
1057 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
1058
1059         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
1060         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
1061         * toplev.c (compile_file): Don't call it.
1062
1063 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
1064
1065         PR middle-end/35526
1066         * expr.c (store_expr): Call emit_block_move if the mode
1067         of "temp" RTX is BLKmode.
1068
1069 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1070             Richard Guenther  <rguenther@suse.de>
1071
1072         PR tree-optimization/31358
1073         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
1074         the step with a NULL_TREE.
1075         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
1076         to sizetype if type is a pointer type.
1077         (add_candidate_1): Don't convert the base and step to
1078         the generic type if the orginal type is a pointer type.
1079         (add_iv_value_candidates): Use sizetype for the step
1080         if type is a pointer type.
1081         (cand_value_at): Likewise.
1082         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
1083         for pointer types.
1084         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
1085         Don't convert the tem affine to the type.
1086         (add_elt_to_tree): Use sizetype for the step if a pointer.
1087         Use POINTER_PLUS_EXPR for pointers.
1088         (aff_combination_to_tree): Use sizetype for the step if a
1089         pointer.
1090
1091 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
1092
1093         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
1094         Remove commutativity hint.
1095
1096 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
1097
1098         PR c/35438
1099         PR c/35439
1100         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
1101         errorneous type.  Check that v is a VAR_DECL.
1102
1103         PR middle-end/35099
1104         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
1105
1106 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
1107
1108         PR tree-optimization/35494
1109         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
1110         may be overriden at link and run time.
1111
1112 2008-03-10  Richard Guenther  <rguenther@suse.de>
1113
1114         PR tree-optimization/34677
1115         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
1116         (poolify_tree): Likewise.
1117         (modify_expr_template): Likewise.
1118         (poolify_modify_stmt): Likewise.
1119         (insert_fake_stores): Handle all component-ref style stores
1120         in addition to INDIRECT_REF.  Also handle complex types.
1121         Do not poolify the inserted load.
1122         (realify_fake_stores): Do not rebuild the tree but only
1123         make it a SSA_NAME copy.
1124         (init_pre): Remove initialzation of modify_expr_template.
1125         Do not allocate modify_expr_node_pool.
1126         (fini_pre): Do not free modify_expr_node_pool.
1127
1128 2008-03-10  Paul Brook  <paul@codesourcery.com>
1129
1130         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
1131         to avoid conflicts.
1132
1133 2008-03-10  Paul Brook  <paul@codesourcery.com>
1134             Mark Shinwell  <shinwell@codesourcery.com>
1135
1136         * config/arm/cortex-r4.md: New.
1137         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
1138         insn attributes.
1139         * config/arm/arm.md: Include cortex-r4.md.
1140         (insn): Add smmls, sdiv and udiv values.
1141         (generic_sched): Don't use generic scheduling for Cortex-R4.
1142         (arm_issue_rate): New function.
1143         (TARGET_SCHED_ISSUE_RATE): Define.
1144
1145 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
1146
1147         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
1148
1149 2008-03-10  Richard Guenther  <rguenther@suse.de>
1150
1151         * tree-ssa-pre.c (get_sccvn_value): Simplify.
1152         (compute_avail): Do not add stmt uses to AVAIL_OUT.
1153
1154 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
1155
1156         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
1157         Set default to true.
1158
1159 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1160
1161         * c.opt (Wsynth): Deprecate.
1162         * doc/invoke.texi (Option Summary, Warning Options): Document
1163         -Wno-format-contains-nul.
1164
1165 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
1166
1167         PR target/35496
1168         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
1169         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
1170
1171 2008-03-09  Ira Rosen  <irar@il.ibm.com>
1172
1173         * config/rs6000/rs6000.c (builtin_description): Rename vector
1174         left shift operations.
1175         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
1176         (altivec_vsl<VI_char>): Rename to ...
1177         (ashl<mode>3): ... new name.
1178         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
1179         gen_ashlv4si3.
1180         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
1181
1182 2008-03-08  Richard Guenther  <rguenther@suse.de>
1183
1184         * coverage.h (tree_coverage_counter_addr): Declare.
1185         * coverage.c (tree_coverage_counter_addr): New function.
1186         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
1187         before using again.
1188         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
1189         (tree_gen_one_value_profiler): Likewise.
1190         (tree_gen_ic_profiler): Likewise.
1191         (tree_gen_average_profiler): Likewise.
1192         (tree_gen_ior_profiler): Likewise.
1193
1194 2008-03-08  Richard Guenther  <rguenther@suse.de>
1195
1196         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
1197         (vn_binary_op_insert): Likewise.
1198         (vn_unary_op_lookup): Likewise.
1199         (vn_unary_op_insert): Likewise.
1200         (vn_nary_op_lookup): Declare.
1201         (vn_nary_op_insert): Likewise.
1202         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
1203         and binary hashes, use a single obstack for unary_op_pool
1204         and binary_op_pool.
1205         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
1206         a single struct vn_nary_op_s.  Store tree code length and
1207         a variable number of operands.
1208         (struct vn_reference_op_struct): Remove unused op2.
1209         (vn_reference_op_eq): Do not compare op2.
1210         (vn_reference_op_compute_hash): Do not compute hash of op2.
1211         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
1212         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
1213         with vn_nary_op_compute_hash.
1214         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
1215         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
1216         vn_nary_op_lookup.
1217         (vn_unary_op_insert, vn_binary_op_insert): Replace with
1218         vn_nary_op_insert.
1219         (visit_unary_op): Call nary functions.
1220         (visit_binary_op): Likewise.
1221         (process_scc): Adjust for struct vn_tables_s changes.
1222         (allocate_vn_table): Likewise.
1223         (free_vn_table): Likewise.
1224         * tree-vn.c (vn_add): Call nary functions.
1225         (vn_lookup): Likewise.
1226
1227 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
1228
1229         PR target/35498
1230         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
1231         wdst back after sync_compare_and_swapqhi_internal.
1232
1233 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
1234
1235         PR target/22152
1236         * config/i386/i386-modes.def (V1DI): New vector mode.
1237         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
1238         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
1239         (MMXMODE248): Ditto.
1240         (MMXMODE): Add V1DI mode.
1241         (mmxvecsize): Change DI mode to V1DI mode.
1242         ("mov<mode>): Use MMXMODEI8 mode iterator.
1243         ("*mov<mode>_internal_rex64"): Ditto.
1244         ("*mov<mode>_internal"): Ditto.
1245         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
1246         ("mmx_sub<mode>3"): Ditto.
1247         ("mmx_adddi3"): Remove insn pattern.
1248         ("mmx_subdi3"): Ditto.
1249         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
1250         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
1251         ("mmx_ashl<mode>3"): Ditto.
1252         ("mmx_lshrdi3"): Remove insn pattern.
1253         ("mmx_ashldi3"): Ditto.
1254         * config/i386/i386.c (classify_argument): Handle V1DImode.
1255         (function_arg_advance_32): Ditto.
1256         (function_arg_32): Ditto.
1257         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
1258         mmx_addv1di3 insn pattern.
1259         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
1260         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
1261         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
1262         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
1263         Remove definitions of built-in functions.
1264         (V1DI_type_node): New node.
1265         (v1di_ftype_v1di_int): Ditto.
1266         (v1di_ftype_v1di_v1di): Ditto.
1267         (v2si_ftype_v2si_si): Ditto.
1268         (v4hi_ftype_v4hi_di): Remove node.
1269         (v2si_ftype_v2si_di): Ditto.
1270         (ix86_init_mmx_sse_builtins): Handle V1DImode.
1271         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
1272         Redefine builtins using def_builtin_const with *_ftype_*_int node.
1273         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
1274         Add new builtins using def_builtin_const.
1275         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
1276         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
1277         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
1278         * config/i386/mmintrin.h (__v1di): New typedef.
1279         (_mm_add_si64): Cast arguments to __v1di type.
1280         (_mm_sub_si64): Ditto.
1281         (_mm_sll_pi16): Cast __count to __v4hi type.
1282         (_mm_sll_pi32): Cast __count to __v2si type.
1283         (_mm_sll_si64): Cast arguments to __v1di type.
1284         (_mm_srl_pi16): Cast __count to __v4hi type.
1285         (_mm_srl_pi32): Cast __count to __v2si type.
1286         (_mm_srl_si64): Cast arguments to __v1di type.
1287         (_mm_sra_pi16): Cast __count to __v4hi type.
1288         (_mm_sra_pi32): Cast __count to __v2si type.
1289         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
1290         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
1291         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
1292         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
1293         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
1294         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
1295         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
1296         (_mm_srai_pi32): Use __builtin_ia32_psradi.
1297         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
1298         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
1299         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
1300         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
1301
1302 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
1303
1304         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
1305
1306 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
1307
1308         PR target/35373
1309         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
1310         reg+const addressing for Altivec modes.  Don't generate reg+reg
1311         addressing for TFmode or TDmode quantities.
1312
1313 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
1314
1315         * c-common.c (vector_types_convertible_p): Call langhook
1316         instead of comptypes.
1317
1318 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1319
1320         PR tree-opt/35402
1321         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
1322         integral and scalar float variables which have a
1323         NULL DECL_INITIAL.
1324
1325 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
1326
1327         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
1328         dwarf_register_span hook when emitting unwind information for
1329         register-to-memory saves.
1330         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
1331         (rs6000_frame_related): Remove call to spe_synthesize_frame.
1332
1333 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
1334
1335         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
1336         for the same VAR_DECL.
1337
1338 2008-03-06  Tom Tromey  <tromey@redhat.com>
1339
1340         * treelang: Delete.
1341         * doc/standards.texi (Standards): Don't mention treelang.
1342         * doc/invoke.texi (Overall Options): Don't mention treelang.
1343         * doc/install.texi (Prerequisites): Don't mention bison or
1344         treelang.
1345         (Configuration): Don't mention treelang.
1346         (Building): Likewise.
1347         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
1348
1349 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
1350
1351         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
1352         word-extractions out of a multi-word object.
1353
1354 2008-03-06  Richard Guenther  <rguenther@suse.de>
1355
1356         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
1357         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
1358         result type and precision.
1359         * expr.c (get_inner_reference): Set unsignedp based on the result
1360         type of BIT_FIELD_REF.
1361         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
1362         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
1363         (try_instantiate_multiple_fields): Likewise.  Use the correct type
1364         for BIT_FIELD_REF.
1365         (sra_build_assignment): Likewise.
1366         (sra_build_elt_assignment): Likewise.
1367         (sra_explode_bitfield_assignment): Likewise.
1368         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
1369         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
1370         set BIT_FIELD_REF_UNSIGNED.
1371         (vectorizable_load): Likewise.
1372
1373 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
1374
1375         * cse.c (cse_extended_basic_block): Invalidate artificial defs
1376         at bb start.
1377
1378 2008-03-06  Richard Guenther  <rguenther@suse.de>
1379
1380         * alias.c (struct alias_set_entry): Move has_zero_child field
1381         to pack with alias_set.
1382
1383 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
1384
1385         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1386         32bit host.
1387
1388 2008-03-05  Ian Lance Taylor  <iant@google.com>
1389
1390         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
1391
1392 2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>
1393
1394         * fwprop.c (update_df): Support width and offset parameters of
1395         df_ref_create.
1396         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
1397         global_conflicts): Change DF_REF_EXTRACT to either
1398         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
1399         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1400         * df-scan.c (df_ref_record, df_defs_record,
1401         df_ref_create_structure, df_def_record_1, df_uses_record,
1402         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
1403         df_bb_refs_collect, df_entry_block_defs_collect,
1404         df_exit_block_uses_collect): Support new width and offset fields.
1405         (ref_extract_pool): New storage pool.
1406         (df_free_ref): New function.
1407         (df_reg_chain_unlink, df_free_collection_rec,
1408         df_sort_and_compress_refs): Call df_free_ref.
1409         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
1410         of df_ref_extract.
1411         (df_ref_create_structure): Allocate df_ref_extract if offset and
1412         width fields are used.
1413         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
1414         (df_uses_record): Get offset and width from ZERO_EXTRACT
1415         and SIGN_EXTRACT.
1416         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
1417         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
1418         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1419         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
1420         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
1421         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1422         (df_ref_extract): New structure.
1423         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
1424         (df_ref_create): Add width and offset parameters.
1425
1426 2008-03-05  Richard Guenther  <rguenther@suse.de>
1427
1428         * tree-ssa-structalias.c (get_constraint_for_component_ref):
1429         Use ranges_overlap_p.
1430         (offset_overlaps_with_access): Rename
1431         to ranges_overlap_p and move ...
1432         * tree-flow-inline.h (ranges_overlap_p): ... here.
1433
1434         * tree.h (get_inner_reference, handled_component_p): Update
1435         comments.
1436
1437         * tree.h (record_component_aliases, get_alias_set,
1438         alias_sets_conflict_p, alias_sets_must_conflict_p,
1439         objects_must_conflict_p): Move declarations ...
1440         * alias.h (record_component_aliases, get_alias_set,
1441         alias_sets_conflict_p, alias_sets_must_conflict_p,
1442         objects_must_conflict_p): ... here.
1443         Include coretypes.h.
1444         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
1445
1446 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
1447
1448         * cfg.c: Include tree-flow.h.
1449         (remove_edge_raw): Call redirect_edge_var_map_clear.
1450         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
1451         * tree-flow-inline.h (redirect_edge_var_map_def): New.
1452         (redirect_edge_var_map_result): New.
1453         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
1454         PENDING_STMT use with redirect_edge_var_map_*.
1455         * tree-ssa.c (edge_var_maps): New definition.
1456         (redirect_edge_var_map_add): New.
1457         (redirect_edge_var_map_clear): New.
1458         (redirect_edge_var_map_dup): New.
1459         (redirect_edge_var_map_vector): New.
1460         (redirect_edge_var_map_destroy): New.
1461         (ssa_redirect_edge): Replace PENDING_STMT use with
1462         redirect_edge_var_map_*.
1463         (flush_pending_stmts): Same.
1464         (delete_tree_ssa): Destroy edge var map.
1465         * tree-flow.h (struct _edge_var_map): New.
1466         Define edge_var_map vector type.
1467         Declare redirect_edge_var_map_* prototypes.
1468         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
1469         * tree-cfg.c (reinstall_phi_args): Replace
1470         PENDING_STMT use with redirect_edge_var_map_*.
1471
1472 2008-03-05  Richard Guenther  <rguenther@suse.de>
1473
1474         PR tree-optimization/35472
1475         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
1476         whose single use_stmt has a overlapping set of loaded and
1477         stored symbols as that use_stmt might be a noop assignment then.
1478
1479 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
1480
1481         * gthr-rtems.h: Implement __gthread_mutex_destroy.
1482
1483 2008-03-05  Richard Guenther  <rguenther@suse.de>
1484
1485         PR c++/35336
1486         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
1487         should be constants.
1488         * tree-cfg.c (verify_expr): Verify it.
1489         * fold-const.c (fold_truthop): Remove code generating
1490         BIT_FIELD_REFs of structure bases.
1491         (fold_binary): Likewise.
1492         (fold_ternary): Position and size of BIT_FIELD_REFs are
1493         always host integers.
1494         (make_bit_field_ref): Remove.
1495         (optimize_bit_field_compare): Remove.
1496         (all_ones_mask_p): Remove.
1497
1498 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
1499
1500         PR gcc/33009
1501         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
1502         (split_block_and_df_analyze): New. Split basic block and rebuild
1503         dataflow.
1504         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
1505         SPLIT_BLOCK.
1506         (split_pattern_seq): Likewise.
1507         (erase_matching_seqs): Likewise.
1508         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
1509
1510 2008-03-04  Geoff Keating  <geoffk@apple.com>
1511
1512         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
1513         declaration and code.
1514         (tree_invalid_nonnegative_warnv_p): Likewise.
1515
1516 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
1517
1518         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
1519         examples.  Truncate option-names then causing overfull hbox.
1520
1521 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1522
1523         PR target/35222
1524         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
1525         on hpux10.
1526         * configure: Rebuilt.
1527
1528 2008-03-04  Rafael Espindola  <espindola@google.com>
1529
1530         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
1531         (tree_unary_nonnegative_warnv_p): New.
1532         (tree_binary_nonnegative_warnv_p): New.
1533         (tree_single_nonnegative_warnv_p): New.
1534         (tree_invalid_nonnegative_warnv_p): New.
1535         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
1536
1537 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1538
1539         PR 28322
1540         * opts.c (handle_option): Postpone 'unknown option' errors only for
1541         warning options.
1542
1543 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
1544
1545         PR target/35453
1546         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
1547         (_SIDD_XXX): This.
1548
1549 2008-03-04  Rafael Espindola  <espindola@google.com>
1550
1551         * fold-const.c (tree_unary_nonzero_warnv_p): New.
1552         (tree_binary_nonzero_warnv_p): New.
1553         (tree_single_nonzero_warnv_p): New.
1554         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
1555
1556 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
1557
1558         PR middle-end/35456
1559         * fold-const.c (fold_cond_expr_with_comparison): Prevent
1560         transformations for modes that have signed zeros.
1561         * ifcvt.c (noce_try_abs): Ditto.
1562
1563 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
1564
1565         * config/i386/i386.c (override_options): Force
1566         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
1567
1568 2008-03-04  Jan Hubicka  <jh@suse.cz>
1569
1570         PR c++/35262
1571         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
1572         in last commit.
1573
1574 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
1575
1576         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
1577         label to probe the stack.
1578
1579 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
1580
1581         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
1582         (__gthr_win32_mutex_destroy): Declare.
1583         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
1584         __gthr_win32_mutex_destroy.
1585         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
1586
1587 2008-03-03  Jan Hubicka  <jh@suse.cz>
1588
1589         PR c++/35262
1590         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
1591         aggressive on inlining cold calls.
1592
1593 2008-03-03  Richard Guenther  <rguenther@suse.de>
1594
1595         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
1596         struct copies into the expression table.
1597         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
1598         (try_to_simplify): Likewise.
1599         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
1600         integral and pointer arguments which do not change the
1601         precision to NOP_EXPRs.
1602         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
1603         VIEW_CONVERT_EXPR case.
1604
1605 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
1606
1607         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
1608         defined in a loop at depth 0 is invariant.
1609         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
1610         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
1611         be called at loop depth 0.
1612
1613 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
1614
1615         PR driver/35420
1616         * gcc.c (process_command): Update copyright notice dates.
1617         * gcov.c (print_version): Likewise.
1618         * gcov-dump.c (print_version): Likewise.
1619         * mips-tfile.c (main): Likewise.
1620         * mips-tdump.c (main): Likewise.
1621
1622 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1623
1624         PR 24924
1625         * c-common.c (flag_permissive): Delete.
1626         (constant_expression_warnings): Check flags first.
1627         (constant_expression_error): New.
1628         * c-common.h (flag_permissive): Delete.
1629         (constant_expression_error): Declare.
1630         * flags.h (flag_permissive): Declare. Update description.
1631         * diagnostic.c (pedwarn): Update.
1632         (permerror): New.
1633         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
1634         (permissive_error_kind): New.
1635         * toplev.c (flag_permissive): Define. Update description.
1636         * toplev.h (permissive_error_kind): Declare.
1637         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
1638         (pedwarn_c90): Use pedantic_warning_kind.
1639         * c-opts.c (c_common_post_options): flag_permissive does not affect
1640         flag_pedantic_errors.
1641
1642 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
1643
1644         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
1645         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
1646         __absvsi2, __absvDI2): Use unsigned arithmetic.
1647
1648 2008-03-02  Andi Kleen  <ak@suse.de>
1649             Richard Guenther  <rguenther@suse.de>
1650
1651         * struct-equiv.c: Remove file.
1652         * cfg_cleanup.c (condjump_equiv_p): Remove.
1653         * Makefile.in (OBJS-common): Remove struct-equiv.o.
1654         (struct-equiv.o): Remove rule.
1655         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
1656         insns_match_p, struct_equiv_block_eq, struct_equiv_init,
1657         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
1658
1659 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
1660
1661         * ifcvt.c (noce_process_if_block): Try to handle only the then
1662         block if the else block exists but isn't suitable.
1663
1664 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
1665
1666         PR gcc/35063
1667         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
1668         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
1669         regression from previous patch.
1670
1671 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
1672
1673         PR gcc/35063
1674         * gthr.h: Add __gthread_mutex_destroy as a function that must be
1675         implemented.
1676         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
1677         * gthr-single.h (__gthread_mutex_destroy): Likewise.
1678         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
1679         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
1680         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
1681         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
1682         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
1683         (__gthread_mutex_destroy_function): Rename to
1684         __gthread_mutex_destroy.
1685         * gthr-dce.h (__gthread_mutex_destroy): Call
1686         pthread_mutex_destroy.
1687         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
1688         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
1689         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
1690
1691 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
1692
1693         * df-scan.c (df_ref_chain_change_bb): Simplify.
1694         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
1695         set_block_for_insn if there's any change.
1696         * df.h ((df_insn_change_bb): Fix prototype.
1697         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
1698         df_insn_change_bb, don't call set_block_for_insn.
1699         * emit-rtl.c (reorder_insns): Likewise.
1700         * haifa-sched.c (move_insn): Likewise.
1701
1702 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
1703
1704         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
1705
1706 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
1707
1708         * tree-flow-inline.h (next_readonly_imm_use): Return
1709         NULL_USE_OPERAND_P after the end.
1710
1711 2008-03-01  Richard Guenther  <rguenther@suse.de>
1712
1713         PR tree-optimization/35411
1714         * tree-sra.c (sra_build_assignment): Split conversion to
1715         final type to a separate statement if we are not assigning
1716         to a register.
1717
1718 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
1719
1720         * fold-const.c (fold_convertible_p): Correct the logic to follow
1721         that in fold_convert().
1722
1723 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
1724
1725         PR c++/35315
1726         * tree-inline.c (build_duplicate_type): When we make a
1727         duplicate type, make it unique in the canonical types system.
1728
1729 2008-02-29  Tom Tromey  <tromey@redhat.com>
1730
1731         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
1732         input_file_stack_history, input_file_stack_restored): Remove.
1733         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
1734         * input.h (struct file_stack): Remove.
1735         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
1736         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
1737         Likewise.
1738         * diagnostic.h (struct diagnostic_context) <last_module>: Change
1739         type.
1740         (diagnostic_last_module_changed): Add 'map' argument.
1741         (diagnostic_set_last_function): Likewise.
1742         * diagnostic.c (undiagnostic_report_current_module): Iterate using
1743         line map, not input_file_stack.
1744         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
1745
1746 2008-02-29  Paul Brook  <paul@codesourcery.com>
1747
1748         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
1749
1750 2008-02-29  Paul Brook  <paul@codesourcery.com>
1751
1752         * config/arm/ieee754-df.S (muldf3): Use RET macros.
1753
1754 2008-02-29  Richard Guenther  <rguenther@suse.de>
1755
1756         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
1757         vn_lookup_or_add.
1758         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
1759         value for comparing for a store match.
1760         (simplify_unary_expression): Do nothing for SSA_NAMEs.
1761         (try_to_simplify): Do not do a full-blown reference lookup.
1762
1763 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
1764
1765         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
1766         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
1767
1768         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
1769
1770 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
1771
1772         * tree-loop-linear.c (try_interchange_loops): Compare memory access
1773         strides against cache sizes.
1774
1775 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
1776
1777         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
1778         constant to fpul.
1779
1780 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
1781
1782         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
1783         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
1784         is smaller than the original promoted value.
1785         (simplify_subreg): If OP is a SUBREG, try to preserve its
1786         SUBREG_PROMOTED_VAR_P information.
1787
1788 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
1789
1790         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
1791         (VN_INFO_GET): Allocate new objects on the obstack.
1792         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
1793         for rpo_numbers_temp, for consistency.
1794         (free_scc_vn): Free the obstack.
1795
1796 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
1797
1798         * doc/invoke.texi: Document -ftree-loop-distribution.
1799         * tree-loop-distribution.c: New.
1800         * tree-pass.h (pass_loop_distribution): New.
1801         * graphds.h (struct graph): Add htab_t indices.
1802         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
1803         * tree-vectorizer.c (rename_variables_in_loop): Extern.
1804         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
1805         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
1806         * tree-data-ref.c (debug_data_dependence_relations): New.
1807         (dump_data_dependence_relation): Also print data references.
1808         (free_data_ref): Extern.
1809         (same_access_functions): Moved...
1810         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
1811         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
1812         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
1813         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
1814         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
1815         (stmts_from_loop): Skip LABEL_EXPR.
1816         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
1817         New.
1818         (build_rdg): Initialize rdg->indices htab.
1819         (free_rdg, stores_from_loop, ref_base_address,
1820         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
1821         have_similar_memory_accesses_1, ref_base_address_1,
1822         remove_similar_memory_refs): New.
1823         * tree-data-ref.h: Depend on tree-chrec.h.
1824         (debug_data_dependence_relations, free_data_ref): Declared.
1825         (same_access_functions): ... here.
1826         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
1827         New.
1828         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
1829         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
1830         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
1831         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
1832         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
1833         rdg_vertex_for_stmt): Declared.
1834         (struct rdg_edge): Add level.
1835         (RDGE_LEVEL): New.
1836         (free_rdg, stores_from_loop, remove_similar_memory_refs,
1837         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
1838         Declared.
1839         (rdg_has_similar_memory_accesses): New.
1840         * tree-vect-analyze.c: Remove unused static decls.
1841         * lambda.h (dependence_level): New.
1842         * common.opt (ftree-loop-distribution): New.
1843         * tree-flow.h (mark_virtual_ops_in_bb,
1844         slpeel_tree_duplicate_loop_to_edge_cfg,
1845         rename_variables_in_loop): Declared.
1846         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
1847         (OBJS-common): Add tree-loop-distribution.o.
1848         (tree-loop-distribution.o): New rule.
1849         * tree-cfg.c (mark_virtual_ops_in_bb): New.
1850         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
1851         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
1852
1853 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
1854
1855         PR target/33963
1856         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
1857         other than structures and unions.
1858
1859 2008-02-28  Richard Guenther  <rguenther@suse.de>
1860
1861         Revert:
1862         2008-02-26  Richard Guenther  <rguenther@suse.de>
1863
1864         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1865         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1866         (lookup_decl_from_uid): Declare.
1867         (remove_decl_from_map): Likewise.
1868         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1869         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1870         (decl_for_uid_map): New global hashtable mapping DECL_UID
1871         to the decl tree.
1872         (init_ttree): Allocate it.
1873         (insert_decl_to_uid_decl_map): New helper function.
1874         (make_node_stat): Insert new decls into the map.
1875         (copy_node_stat): Likewise.
1876         (lookup_decl_from_uid): New function.
1877         (remove_decl_from_map): Likewise.
1878         (print_decl_for_uid_map_statistics): New helper.
1879         (dump_tree_statistics): Call it.
1880
1881         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1882         (referenced_var_iterator): Adjust.
1883         (FOR_EACH_REFERENCED_VAR): Adjust.
1884         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1885         (num_referenced_vars): Adjust.
1886         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1887         (first_referenced_var): Remove.
1888         (end_referenced_vars_p): Likewise.
1889         (next_referenced_var): Likewise.
1890         (referenced_var_iterator_set): New helper function.
1891         * tree-dfa.c (referenced_var_lookup): Adjust.
1892         (referenced_var_check_and_insert): Likewise.
1893         (remove_referenced_var): Likewise.
1894         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1895         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1896         (verify_call_clobbering): Likewise.
1897         (verify_memory_partitions): Likewise.
1898         (init_tree_ssa): Allocate bitmap instead of hashtable for
1899         referenced_vars.
1900         (delete_tree_ssa): Adjust.
1901         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1902         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1903         (compute_tag_properties): Likewise.
1904         (set_initial_properties): Likewise.
1905         (find_partition_for): Likewise.
1906         (update_reference_counts): Likewise.
1907         (dump_may_aliases_for): Likewise.
1908         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1909         (add_call_clobber_ops): Likewise.
1910         (add_call_read_ops): Likewise.
1911         (get_asm_expr_operands): Likewise.
1912         * tree-into-ssa.c (dump_decl_set): Likewise.
1913         (update_ssa): Likewise.
1914         * tree-sra.c (scan_function): Likewise.
1915         (decide_instantiations): Likewise.
1916         (scalarize_parms): Likewise.
1917         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1918         (dsa_named_for): Likewise.
1919         * tree-ssa-structalias.c (update_alias_info): Likewise.
1920         (merge_smts_into): Likewise.
1921
1922 2008-02-27  David Daney  <ddaney@avtrex.com>
1923
1924         PR target/34409
1925         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
1926         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
1927         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
1928         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
1929         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
1930
1931 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
1932
1933         PR target/25477
1934         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
1935         (BUILT_IN_NEXTTOWARD): Remove.
1936         (BUILT_IN_NEXTTOWARDF): Ditto.
1937         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
1938         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
1939
1940 2008-02-27  Tom Tromey  <tromey@redhat.com>
1941
1942         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
1943         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
1944
1945 2008-02-27  Jan Beulich  <jbeulich@novell.com>
1946
1947         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
1948         update the respective field on newdecl.
1949
1950 2008-02-27  Revital Eres  <eres@il.ibm.com>
1951
1952         PR rtl-optimization/34999
1953         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
1954         crossing edges that ends with a call insn.
1955         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
1956         call insn and clear the EDGE_CROSSING flag of the crossing edge
1957         when fixing fallthru edges.
1958
1959 2008-02-27  Richard Guenther  <rguenther@suse.de>
1960
1961         PR middle-end/35390
1962         * fold-const.c (fold_unary): Return the correct argument,
1963         converted to the result type.
1964
1965 2008-02-27  Richard Guenther  <rguenther@suse.de>
1966
1967         PR middle-end/34971
1968         * expr.c (expand_expr_real_1): Assert on rotates that operate
1969         on partial modes.
1970         * fold-const.c (fold_binary): Use the types precision, not the
1971         bitsize of the mode if folding rotate expressions.  Build rotates
1972         only for full modes.
1973
1974 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
1975
1976         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
1977         and CPP_PRAGMA_EOL.
1978         * c-pragma.c (pragma_ns_name): New typedef.
1979         (registered_pp_pragmas): New variable.
1980         (c_pp_lookup_pragma): New function.
1981         (c_register_pragma_1): If flag_preprocess_only, do nothing
1982         for non-expanded pragmas, for expanded ones push pragma's
1983         namespace and name into registered_pp_pragmas vector.
1984         (c_invoke_pragma_handler): Register OpenMP pragmas even when
1985         flag_preprocess_only, don't register GCC pch_preprocess
1986         pragma if flag_preprocess_only.
1987         * c-opts.c (c_common_init): Call init_pragma even if
1988         flag_preprocess_only.
1989         * c-pragma.c (c_pp_lookup_pragma): New prototype.
1990         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
1991         cpp_register_pragma if flag_preprocess_only.
1992
1993 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1994
1995         PR c/28800
1996         * c-parser.c (c_parser_translation_unit): Warn for empty
1997         translation unit, not empty source file.
1998
1999 2008-02-26  Paul Brook  <paul@codesourcery.com>
2000
2001         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
2002         operand for Thumb-2.
2003         * config/arm/arm.h (reg_class): Add CORE_REGS.
2004         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
2005         (BASE_REG_CLASS): Use CORE_REGS.
2006         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
2007         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
2008         (REGNO_OK_FOR_INDEX_P): Exclude SP.
2009         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
2010         ARM_REGNO_OK_FOR_INDEX_P.
2011         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
2012         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
2013         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
2014         (ldm/stm peepholes): Ditto.
2015         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
2016         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
2017         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
2018         * config/arm/constraints.md: Enable "k" constraint on ARM.
2019
2020 2008-02-27  Ben Elliston  <bje@au.ibm.com>
2021
2022         * config/rs6000/rs6000.c: Annotate cache line size field in all
2023         instances of struct processor_costs.
2024
2025 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
2026
2027         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
2028         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
2029         jump_bypass): New counters.
2030         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
2031         * dce.c (gate_ud_dce): Same.
2032         (gate_fast_dce): Same.
2033         * dse.c (gate_dse1): New function.
2034         (gate_dse2): New function.
2035         (gate_dse): Merge results of new gate functions.
2036         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
2037         (gate_handle_jump_bypass): Add dbg_cnt.
2038         (gate_handle_gcse): Add dbg_cnt.
2039         * ifcvt.c (gate_handle_if_conversion): Same.
2040         (gate_handle_if_after_combine): Same.
2041         (gate_handle_if_after_reload): Same.
2042         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
2043
2044 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
2045
2046         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
2047         line sizes.
2048         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
2049
2050 2008-02-26  Jason Merrill  <jason@redhat.com>
2051
2052         PR c++/35315
2053         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
2054         alone if it's the naming decl for the type's main variant.
2055
2056 2008-02-26  Tom Tromey  <tromey@redhat.com>
2057
2058         * system.h (USE_MAPPED_LOCATION): Poison.
2059         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
2060         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
2061         (make_goto_expr_edges): Likewise.
2062         (remove_bb): Likewise.
2063         (execute_warn_function_return): Likewise.
2064         * basic-block.h (struct edge_def) <goto_locus>: Change type to
2065         location_t.
2066         * c-common.c (fname_decl): Remove old location code.
2067         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
2068         location code.
2069         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
2070         variant.
2071         (ASM_INPUT_SOURCE_LOCATION): Likewise.
2072         (gen_rtx_ASM_INPUT): Likewise.
2073         (gen_rtx_ASM_INPUT_loc): Likewise.
2074         (get_rtx_asm_OPERANDS): Remove.
2075         * cfglayout.c (insn_locators_alloc): Remove old location code.
2076         (set_curr_insn_source_location): Likewise.
2077         (curr_insn_locator): Likewise.
2078         * print-tree.c (print_node): Remove old location code.
2079         * tree-mudflap.c (mf_varname_tree): Remove old location code.
2080         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
2081         * cfgexpand.c (expand_gimple_cond_expr): Don't use
2082         location_from_locus.
2083         (construct_exit_block): Remove old location code.
2084         * emit-rtl.c (force_next_line_note): Remove old location code.
2085         * profile.c (branch_prob): Remove old location code.
2086         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
2087         LOC_LINE): Remove old-location variants.
2088         * langhooks.c (lhd_print_error_function): Remove old location
2089         code.
2090         * configure, config.in: Rebuilt.
2091         * configure.ac (--enable-mapped-location): Remove.
2092         * c-decl.c (c_init_decl_processing): Remove old location code.
2093         (finish_function): Likewise.
2094         * recog.c (decode_asm_operands): Remove old location code.
2095         * c-pch.c (c_common_read_pch): Remove old location code.
2096         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
2097         variants.
2098         * gimple-low.c (lower_function_body): Remove old location code.
2099         * toplev.c (unknown_location): Remove.
2100         (push_srcloc): Remove old-location variant.
2101         (process_options): Remove old location code.
2102         (lang_dependent_init): Likewise.
2103         * input.h (UNKNOWN_LOCATION): Move definition.
2104         (location_t): Undeprecate.
2105         (source_locus): Remove.
2106         (location_from_locus): Remove.
2107         (struct location_s): Remove.
2108         Remove all old-location code.
2109         (input_line, input_filename): Remove.
2110         * final.c (final_scan_insn): Remove old location code.
2111         * diagnostic.c (diagnostic_build_prefix): Remove
2112         USE_MAPPED_LOCATION test.
2113         * tree.h (gimple_stmt) <locus>: Now a location_t.
2114         (tree_exp) <locus>: Likewise.
2115         (DECL_IS_BUILTIN): Remove old-location variant.
2116         (annotate_with_file_line, annotate_with_locus): Likewise.
2117         (expr_locus, set_expr_locus): Update.
2118         * tree.c (build1_stat): Remove old location code.
2119         (last_annotated_node): Remove.
2120         (annotate_with_file_line): Remove old-location variant.
2121         (annotate_with_locus): Likewise.
2122         (expr_location): Remove old location code.
2123         (set_expr_location): Likewise.
2124         (expr_has_location): Likewise.
2125         (expr_locus): Likewise.
2126         (set_expr_locus): Likewise.
2127         (expr_filename): Don't use location_from_locus.
2128         (expr_lineno): Likewise.
2129         * rtl-error.c (location_for_asm): Remove old location code.
2130         * c-lex.c (cb_line_change): Remove old location code.
2131         (fe_file_change): Likewise.
2132         (cb_def_pragma): Likewise.
2133         (c_lex_with_flags): Likewise.
2134         * gengtype.c (do_typedef): Don't special-case location types.
2135         (define_location_structures): Remove.
2136         (main): Don't call define_location_structures.
2137         * tree-pretty-print.c (dump_implicit_edges): Remove old location
2138         code.
2139
2140 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2141
2142         PR 26264
2143         * builtins.def (BUILT_IN_STDARG_START): Remove.
2144         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
2145         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
2146         * tree-inline.c (inline_forbidden_p_1): Likewise.
2147
2148 2008-02-26  Richard Guenther  <rguenther@suse.de>
2149
2150         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2151         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2152         (lookup_decl_from_uid): Declare.
2153         (remove_decl_from_map): Likewise.
2154         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2155         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2156         (decl_for_uid_map): New global hashtable mapping DECL_UID
2157         to the decl tree.
2158         (init_ttree): Allocate it.
2159         (insert_decl_to_uid_decl_map): New helper function.
2160         (make_node_stat): Insert new decls into the map.
2161         (copy_node_stat): Likewise.
2162         (lookup_decl_from_uid): New function.
2163         (remove_decl_from_map): Likewise.
2164         (print_decl_for_uid_map_statistics): New helper.
2165         (dump_tree_statistics): Call it.
2166
2167         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2168         (referenced_var_iterator): Adjust.
2169         (FOR_EACH_REFERENCED_VAR): Adjust.
2170         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2171         (num_referenced_vars): Adjust.
2172         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2173         (first_referenced_var): Remove.
2174         (end_referenced_vars_p): Likewise.
2175         (next_referenced_var): Likewise.
2176         (referenced_var_iterator_set): New helper function.
2177         * tree-dfa.c (referenced_var_lookup): Adjust.
2178         (referenced_var_check_and_insert): Likewise.
2179         (remove_referenced_var): Likewise.
2180         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2181         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2182         (verify_call_clobbering): Likewise.
2183         (verify_memory_partitions): Likewise.
2184         (init_tree_ssa): Allocate bitmap instead of hashtable for
2185         referenced_vars.
2186         (delete_tree_ssa): Adjust.
2187         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2188         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2189         (compute_tag_properties): Likewise.
2190         (set_initial_properties): Likewise.
2191         (find_partition_for): Likewise.
2192         (update_reference_counts): Likewise.
2193         (dump_may_aliases_for): Likewise.
2194         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2195         (add_call_clobber_ops): Likewise.
2196         (add_call_read_ops): Likewise.
2197         (get_asm_expr_operands): Likewise.
2198         * tree-into-ssa.c (dump_decl_set): Likewise.
2199         (update_ssa): Likewise.
2200         * tree-sra.c (scan_function): Likewise.
2201         (decide_instantiations): Likewise.
2202         (scalarize_parms): Likewise.
2203         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2204         (dsa_named_for): Likewise.
2205         * tree-ssa-structalias.c (update_alias_info): Likewise.
2206         (merge_smts_into): Likewise.
2207
2208 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2209
2210         PR 34351
2211         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
2212         * c-opts.c (c_common_handle_option): Wall enables
2213         Wvolatile-register-var.
2214         * common.opt: Move Wvolatile-register-var to...
2215         * c.opt: ...here.
2216
2217 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2218
2219         * common.opt (Wlarger-than=): New.
2220         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
2221         -Wlarger-than=.
2222         * opts.c (common_handle_option): Handle -Wlarger-than=.
2223         * optc-gen.awk: Likewise.
2224         * opth-gen.awk: Likewise.
2225         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
2226         * tree-optimize.c (tree_rest_of_compilation): Likewise.
2227
2228 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2229
2230         * c-common.c (match_case_to_enum_1): Add appropriate
2231         OPT_W* parameter to warning.
2232         (c_do_switch_warnings): Likewise.
2233         * c-typeck.c (warning_init): Add one more parameter following
2234         'warning' function.
2235         (push_init_level): Update call to warning_init.
2236         (pop_init_level): Likewise.
2237         (add_pending_init): Likewise.
2238         (output_init_element: Likewise.
2239
2240 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2241
2242         PR 28322
2243         * toplev.c (toplev_main): If there are warnings or error, print
2244         errors for ignored options.
2245         * opts.c (ignored_options): New static variable.
2246         (postpone_unknown_option_error): New.
2247         (print_ignored_options): New.
2248         (handle_option): Postpone errors for unknown -Wno-* options.
2249         * opts.h (print_ignored_options): Declare.
2250
2251 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
2252
2253         * config/mips/mips.md (loadgp_blockage, blockage): Change type
2254         to "ghost".
2255
2256 2008-02-25  Richard Guenther  <rguenther@suse.de>
2257
2258         Revert:
2259         2008-02-25  Richard Guenther  <rguenther@suse.de>
2260
2261         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2262         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2263         (lookup_decl_from_uid): Declare.
2264         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2265         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2266         (decl_for_uid_map): New global hashtable mapping DECL_UID
2267         to the decl tree.
2268         (init_ttree): Allocate it.
2269         (insert_decl_to_uid_decl_map): New helper function.
2270         (make_node_stat): Insert new decls into the map.
2271         (copy_node_stat): Likewise.
2272         (lookup_decl_from_uid): New function.
2273         (print_decl_for_uid_map_statistics): New helper.
2274         (dump_tree_statistics): Call it.
2275
2276         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2277         (referenced_var_iterator): Adjust.
2278         (FOR_EACH_REFERENCED_VAR): Adjust.
2279         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2280         (num_referenced_vars): Adjust.
2281         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2282         (first_referenced_var): Remove.
2283         (end_referenced_vars_p): Likewise.
2284         (next_referenced_var): Likewise.
2285         (referenced_var_iterator_set): New helper function.
2286         * tree-dfa.c (referenced_var_lookup): Adjust.
2287         (referenced_var_check_and_insert): Likewise.
2288         (remove_referenced_var): Likewise.
2289         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2290         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2291         (verify_call_clobbering): Likewise.
2292         (verify_memory_partitions): Likewise.
2293         (init_tree_ssa): Allocate bitmap instead of hashtable for
2294         referenced_vars.
2295         (delete_tree_ssa): Adjust.
2296         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2297         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2298         (compute_tag_properties): Likewise.
2299         (set_initial_properties): Likewise.
2300         (find_partition_for): Likewise.
2301         (update_reference_counts): Likewise.
2302         (dump_may_aliases_for): Likewise.
2303         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2304         (add_call_clobber_ops): Likewise.
2305         (add_call_read_ops): Likewise.
2306         (get_asm_expr_operands): Likewise.
2307         * tree-into-ssa.c (dump_decl_set): Likewise.
2308         (update_ssa): Likewise.
2309         * tree-sra.c (scan_function): Likewise.
2310         (decide_instantiations): Likewise.
2311         (scalarize_parms): Likewise.
2312         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2313         (dsa_named_for): Likewise.
2314         * tree-ssa-structalias.c (update_alias_info): Likewise.
2315         (merge_smts_into): Likewise.
2316
2317 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
2318
2319         PR fortran/29549
2320         * doc/invoke.texi (-fcx-limited-range): Document new option.
2321         * toplev.c (process_options): Handle -fcx-fortran-rules.
2322         * common.opt: Add documentation for -fcx-fortran-rules.
2323
2324 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
2325
2326         PR c/35162
2327         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
2328         actual behaviour and C99.
2329
2330 2008-02-26  Ben Elliston  <bje@au.ibm.com>
2331
2332         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
2333         (ASM_CPU_POWER6_SPEC): Likewise.
2334         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
2335         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
2336         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
2337
2338 2008-02-25  Richard Guenther  <rguenther@suse.de>
2339
2340         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2341         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2342         (lookup_decl_from_uid): Declare.
2343         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2344         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2345         (decl_for_uid_map): New global hashtable mapping DECL_UID
2346         to the decl tree.
2347         (init_ttree): Allocate it.
2348         (insert_decl_to_uid_decl_map): New helper function.
2349         (make_node_stat): Insert new decls into the map.
2350         (copy_node_stat): Likewise.
2351         (lookup_decl_from_uid): New function.
2352         (print_decl_for_uid_map_statistics): New helper.
2353         (dump_tree_statistics): Call it.
2354
2355         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2356         (referenced_var_iterator): Adjust.
2357         (FOR_EACH_REFERENCED_VAR): Adjust.
2358         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2359         (num_referenced_vars): Adjust.
2360         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2361         (first_referenced_var): Remove.
2362         (end_referenced_vars_p): Likewise.
2363         (next_referenced_var): Likewise.
2364         (referenced_var_iterator_set): New helper function.
2365         * tree-dfa.c (referenced_var_lookup): Adjust.
2366         (referenced_var_check_and_insert): Likewise.
2367         (remove_referenced_var): Likewise.
2368         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2369         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2370         (verify_call_clobbering): Likewise.
2371         (verify_memory_partitions): Likewise.
2372         (init_tree_ssa): Allocate bitmap instead of hashtable for
2373         referenced_vars.
2374         (delete_tree_ssa): Adjust.
2375         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2376         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2377         (compute_tag_properties): Likewise.
2378         (set_initial_properties): Likewise.
2379         (find_partition_for): Likewise.
2380         (update_reference_counts): Likewise.
2381         (dump_may_aliases_for): Likewise.
2382         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2383         (add_call_clobber_ops): Likewise.
2384         (add_call_read_ops): Likewise.
2385         (get_asm_expr_operands): Likewise.
2386         * tree-into-ssa.c (dump_decl_set): Likewise.
2387         (update_ssa): Likewise.
2388         * tree-sra.c (scan_function): Likewise.
2389         (decide_instantiations): Likewise.
2390         (scalarize_parms): Likewise.
2391         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2392         (dsa_named_for): Likewise.
2393         * tree-ssa-structalias.c (update_alias_info): Likewise.
2394         (merge_smts_into): Likewise.
2395
2396 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
2397
2398         PR target/35258
2399         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
2400         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
2401         * alias.h (nonoverlapping_memrefs_p): Likewise.
2402
2403 2008-02-25  Jan Beulich  <jbeulich@novell.com>
2404
2405         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
2406         * config/i386/netware-libgcc.exp: Add __bswap?i2,
2407         __emultls_get_address, __emultls_register_common,
2408         __floatundi?f, and _Unwind_GetIPInfo.
2409         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
2410         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
2411         (gen_regparm_prefix): Likewise.
2412         (i386_nlm_encode_section_info): Sync with
2413         config/i386/winnt.c:i386_pe_encode_section_info().
2414         (i386_nlm_maybe_mangle_decl_assembler_name): New.
2415         i386_nlm_mangle_decl_assembler_name): New.
2416         (netware_override_options): New.
2417         * config/i386/netware.h (netware_override_options): Declare.
2418         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
2419         (i386_nlm_mangle_decl_assembler_name): Declare.
2420         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
2421
2422 2008-02-25  Ben Elliston  <bje@au.ibm.com>
2423
2424         PR other/32948
2425         * c-decl.c (grokdeclarator): Remove unused local variables
2426         `typedef_type' and `type_as_written'.
2427         * bb-reorder.c
2428         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
2429         unused local variable `has_hot_blocks'.
2430         (fix_crossing_conditional_branches): Remove unused local variable
2431         `prev_bb'.
2432
2433 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
2434
2435         PR middle-end/19984
2436         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
2437         using DEF_C99_BUILTIN.
2438         (BUILT_IN_NANF): Ditto.
2439         (BUILT_IN_NANL): Ditto.
2440
2441 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
2442             Revital Eres  <eres@il.ibm.com>
2443
2444         * modulo-sched.c (calculate_must_precede_follow): Address TODO
2445         regarding the order of two dependent insns in the same row.
2446
2447 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
2448
2449         * stor-layout.c (layout_decl): Do not bump the alignment of a
2450         bit-field to more than byte alignment if it is packed.
2451
2452 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
2453
2454         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
2455         e300c2 and e300c3.
2456
2457 2008-02-24  Diego Novillo  <dnovillo@google.com>
2458
2459         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
2460
2461         PR 33738
2462         * tree-vrp.c (vrp_evaluate_conditional): With
2463         -Wtype-limits, emit a warning when comparing against a
2464         constant outside the natural range of OP0's type.
2465         * c.opt (Wtype-limits): Move ...
2466         * common.opt (Wtype-limits): ... here.
2467
2468 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
2469
2470         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
2471         * config/rs6000/e300c2c3.md: New file.
2472         * config/rs6000/rs6000.c (processor_costs): Add new costs for
2473         e300c2 and e300c3.
2474         (rs6000_override_options): Add e300c2 and e300c3 cases to
2475         processor_target_table. Do not allow usage of Altivec or Spe
2476         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
2477         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
2478         * config/rs6000/rs6000.h (processor_type): Add
2479         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
2480         (ASM_CPU_SPEC): Add e300c2 and e300c3.
2481         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
2482         and ppce300c3. Include e300c2c3.md.
2483
2484 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
2485
2486         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
2487         instead of TARGET_STRICT_ALIGN.
2488
2489 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
2490
2491         * explow.c (memory_address): Assert that the generated address is
2492         valid.
2493
2494 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2495
2496         PR target/25477
2497         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
2498         * config/darwin-ppc-ldouble-patch.def: New file.
2499         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
2500         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
2501         SUBTARGET_INIT_BUILTINS if defined.
2502         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
2503         New functions.
2504
2505 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2506
2507         PR rtl-opt/33512
2508         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
2509         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
2510
2511 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2512
2513         PR pch/35027
2514         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
2515         file" warning condtional on -Winvalid-PCH.
2516
2517 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
2518
2519         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
2520
2521 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
2522
2523         PR target/22076
2524         PR target/34256
2525         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
2526         prevent reload from using MMX registers.
2527         (*mov<mode>_internal): Ditto.
2528         (*movv2sf_internal_rex64): Ditto.
2529         (*movv2sf_internal): Ditto.
2530
2531 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2532
2533         PR documentation/31569
2534         * doc/install.texi2html: Use makeinfo --no-number-sections.
2535
2536 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
2537
2538         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
2539         ensure that we can address an entire entity > 8 bytes.  Don't
2540         generate reg+reg addressing for such data.
2541
2542 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
2543
2544         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
2545         strings when optimizing for size, unless the target cares about
2546         alignment.
2547
2548 2008-02-22  Tom Tromey  <tromey@redhat.com>
2549
2550         * regclass.c (current_pass): Remove declaration.
2551
2552 2008-02-22  Anatoly Sokolov <aesok@post.ru>
2553
2554         * config/avr/libgcc.S (__RAMPZ__): Define.
2555         (__do_copy_data): Add for devices with 128KB code memory.
2556
2557 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
2558
2559         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
2560         Use spe_abi.
2561         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
2562
2563 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
2564
2565         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
2566         GENNONACR_REGS.
2567
2568 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2569
2570         PR c/19999
2571         * c-typeck.c (build_binary_op): Warn about floating point
2572         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
2573
2574 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
2575
2576         PR target/34526
2577         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
2578         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
2579         add vrsave.
2580         (rs6000_override_options): Set altivec_abi as default, not override,
2581         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
2582         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
2583         is used; use new member spe_abi.
2584         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
2585         spe_abi and altivec_abi.
2586
2587 2008-02-22  Tomas Bily  <tbily@suse.cz>
2588
2589         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
2590
2591 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2592
2593         PR bootstrap/35273
2594         * config.build (build_file_translate): Set to `CMD //c' only if
2595         it works.
2596         * Makefile.in (build_file_translate): Improve comment.
2597
2598 2008-02-21  Jan Hubicka  <jh@suse.cz>
2599
2600         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
2601         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
2602         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
2603
2604 2008-02-21  Michael Matz  <matz@suse.de>
2605
2606         PR target/35264
2607         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
2608
2609 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
2610
2611         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
2612         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
2613         as insn constraint.
2614         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
2615         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
2616         SSE_VEC_FLOAT_MODE_P as insn constraint.
2617         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
2618         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
2619         sse4a_movntdf using MODEF mode iterator.
2620         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
2621         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
2622         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
2623         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
2624         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
2625         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
2626         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
2627
2628 2008-02-21  Richard Guenther  <rguenther@suse.de>
2629
2630         * tree.def (PAREN_EXPR): New tree code.
2631         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
2632         and PAREN_EXPR.
2633         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
2634         * expr.c (expand_expr_real_1): Likewise.
2635         * tree-inline.c (estimate_num_insns_1): Likewise.
2636         * tree-complex.c (expand_complex_move): Likewise.
2637         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
2638         as plain x.
2639
2640 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
2641
2642         PR target/35225
2643         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
2644
2645 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
2646
2647         PR target/35190
2648         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
2649
2650         * config/sh/sh.c (find_barrier): Don't go past
2651         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
2652
2653 2008-02-20  DJ Delorie  <dj@redhat.com>
2654
2655         * config/h8300/h8300.md (insv): Force source operand to be a register.
2656
2657         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
2658         as a jump, not as a plain insn.
2659
2660 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
2661
2662         * doc/invoke.texi (Warning Options): Add new option
2663         -Wframe-larger-than=.
2664         (-Wframe-larger-than): Document.
2665
2666         * flags.h (warn_frame_larger_than, frame_larger_than_size):
2667         Add declarations for new option variables.
2668
2669         * final.c (final_start_function): Check the frame size
2670         before emission and issue a Wframe-larger-than warning.
2671
2672         * opts.c (warn_frame_larger_than, frame_larger_than_size):
2673         Add definitions for new option variables.
2674         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
2675
2676         * common.opt (Wframe-larger-than=): New option.
2677
2678 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
2679
2680         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
2681         (<sse>_div<mode>3): Ditto.
2682         (<sse>_vmdiv<mode>3): Ditto.
2683         (<sse>_vmsqrt<mode>2): Ditto.
2684         (*smax<mode>3): Ditto.
2685         (sse5_frcz<mode>2): Ditto.
2686         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
2687         as insn constraint.
2688
2689 2008-02-20  Richard Guenther  <rguenther@suse.de>
2690
2691         PR middle-end/35265
2692         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
2693         be happy with INTEGRAL_TYPE_P.
2694
2695 2008-02-20  Richard Guenther  <rguenther@suse.de>
2696
2697         * fold-const.c (split_tree): Associate floatig-point expressions
2698         if flag_associative_math is set.
2699
2700 2008-02-20  Richard Guenther  <rguenther@suse.de>
2701
2702         * tree.h (fold_real_zero_addition_p): Declare.
2703         * fold-const.c (fold_real_zero_addition_p): Export.
2704         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
2705         floating-point operations with zero and one.
2706
2707 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
2708
2709         * doc/install.texi: Correct references to CFLAGS, replacing them
2710         with BOOT_CFLAGS.  Document flags used during bootstrap for
2711         target libraries.
2712
2713 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
2714
2715         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
2716         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
2717         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
2718         insn constraint.
2719         (smin<mode>3): Ditto from similar patterns.
2720         (smax<mode>3): Ditto.
2721         (*ieee_smin<mode>3): Ditto.
2722         (*ieee_smax<mode>3): Ditto.
2723         * config/i386/sse.md (sse): New mode attribute.
2724         (mov<mode>): Macroize expander from movv4sf and movv2df using
2725         SSEMODEF2P mode iterator.
2726         (<sse>_movnt<mode>): Ditto from similar patterns. Use
2727         SSE_VEC_FLOAT_MODE_P as insn constraint.
2728         (storent<mode>): Ditto.
2729         (storent<mode>): Macroize expander from storentsf and storentdf using
2730         MODEF mode iterator.
2731         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
2732         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
2733         (abs<mode>2): Ditto from similar patterns.
2734         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
2735         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
2736         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
2737         (<sse>_vmsqrt<mode>2): Ditto.
2738         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
2739         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
2740         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
2741         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
2742         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
2743         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
2744         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
2745         insn constraint.
2746         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
2747         iterator and SSE_FLOAT_MODE_P as insn constraint.
2748         (<sse>_ucomi): Ditto from similar patterns.
2749         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
2750         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
2751         SSE_VEC_FLOAT_MODE_P as insn constraint.
2752         (vcond<mode>): Ditto from similar patterns.
2753         (and<mode>3, *and<mode>3): Ditto.
2754         (<sse>_nand<mode>3): Ditto.
2755         (ior<mode>3, *ior<mode>3): Ditto.
2756         (xor<mode>3, *xor<mode>3): Ditto.
2757         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
2758         iterator and SSE_FLOAT_MODE_P as insn constraint.
2759         (*nand<mode>3): Ditto from similar patterns.
2760         (*ior<mode>3): Ditto.
2761         (*xor<mode>3): Ditto.
2762
2763 2008-02-20  Ira Rosen  <irar@il.ibm.com>
2764
2765         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
2766         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
2767         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
2768
2769 2008-02-19  Jan Hubicka  <jh@suse.cz>
2770
2771         * predict.c (tree_bb_level_predictions): Remove variable next
2772         mistakely introduced by previous commit.
2773
2774 2008-02-19  Jan Hubicka  <jh@suse.cz>
2775
2776         * predict.c (predict_paths_leading_to): Rewrite.
2777         (predict_paths_for_bb): New.
2778         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
2779
2780 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2781
2782         PR bootstrap/35218
2783         * Makefile.in (build_file_translate): New.
2784         (gcc-vers.texi): Use it for translating $(abs_srcdir).
2785         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
2786         * configure.ac (build_file_translate): Substitute it.
2787         * configure: Regenerate.
2788
2789 2008-02-19  Jan Hubicka  <jh@suse.cz>
2790
2791         PR rtl-optimization/34408
2792         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
2793         invalid sharing.
2794
2795 2008-02-19  Jan Hubicka  <jh@suse.cz>
2796
2797         PR middle-end/28779
2798         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
2799         call_expr.
2800
2801 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
2802
2803         PR Ada/35186
2804         * config/i386/i386-modes.def: Revert the last DI alignment
2805         change until Ada people can look into it.
2806
2807 2008-02-19  Nick Clifton  <nickc@redhat.com>
2808
2809         * opts.c (print_specific_help): Fix typo in --help text.
2810
2811 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
2812
2813         PR target/35239
2814         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
2815         32-bit inline asm without asm alternatives for host GCC < 3.0.
2816
2817 2008-02-19  Richard Guenther  <rguenther@suse.de>
2818
2819         PR tree-optimization/34989
2820         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
2821         Allow propagation to INDIRECT_REF if we can simplify only.
2822
2823 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2824
2825         * c-common.c (warn_for_collisions_1): Use appropriate option when
2826         warning.
2827
2828 2008-02-19  Nick Clifton  <nickc@redhat.com>
2829
2830         PR other/31349
2831         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
2832         (handle_options): Fix indentation.
2833         (print_filtered_help): If no language-specific options were
2834         displayed tell the user how to list all the options supported by
2835         the language's front-end.
2836         (print_specific_help): Fix indentation and remove duplicate line.
2837         (common_handle_option): Handle the -v option.
2838         For --help enable the display of undocumented options if the -v
2839         switch has been included on the command line.
2840         For --help= check for overlaps in the arguments between the option
2841         classes and the language names and issue a warning when they
2842         cannot be disambiguated.
2843         * c.opt (v): Pass on to the common option handler.
2844
2845 2008-02-19  Revital Eres  <eres@il.ibm.com>
2846
2847         * modulo-sched.c (sms_schedule): Change dump message when
2848         create_ddg function fails.
2849         (try_scheduling_node_in_cycle): Rename row to cycle.
2850         (print_partial_schedule): Rename CYCLE to ROW.
2851
2852 2008-02-19  Christian Bruel  <christian.bruel@st.com>
2853             Zdenek Dvorak  <ook@ucw.cz>
2854
2855         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
2856
2857 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
2858
2859         PR target/33555
2860         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
2861         (*x86_movdicc_0_m1_se): Ditto.
2862
2863 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
2864
2865         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
2866         (CMPtype): Define as __gcc_CMPtype.
2867         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
2868         (CMPtype): Define as __gcc_CMPtype.
2869
2870 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
2871
2872         Support valgrind 3.3 for --enable-checking=valgrind.
2873         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
2874         here.
2875         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
2876         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
2877         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
2878         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
2879         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
2880         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
2881         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
2882         respectively.
2883         * ggc-zone.c: Similar.
2884         * ggc-page.c: Similar.
2885
2886 2008-02-19  Paul Brook  <paul@codesourcery.com>
2887
2888         PR target/35071
2889         * config/arm/ieee754-df.S: Fix do_it typo.
2890         * config/arm/ieee754-sf.S: Fix do_it typo.
2891
2892 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
2893
2894         PR target/35189
2895         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
2896         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
2897         (OPTION_MASK_ISA_SSE_SET): Likewise.
2898         (OPTION_MASK_ISA_SSE2_SET): Likewise.
2899         (OPTION_MASK_ISA_SSE3_SET): Likewise.
2900         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
2901         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
2902         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
2903         (OPTION_MASK_ISA_SSE4_SET): Likewise.
2904         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
2905         (OPTION_MASK_ISA_SSE5_SET): Likewise.
2906         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
2907         (OPTION_MASK_ISA_MMX_UNSET): Updated.
2908         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
2909         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
2910         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
2911         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
2912         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
2913         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
2914         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
2915         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
2916         (OPTION_MASK_ISA_SSE4): Removed.
2917         (ix86_handle_option): Turn on bits in ix86_isa_flags and
2918         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
2919         (override_options): Don't turn on implied SSE/MMX bits in
2920         ix86_isa_flags.
2921
2922 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
2923
2924         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2925         32bit host.
2926
2927 2008-02-18  Joey Ye  <joey.ye@intel.com>
2928
2929         PR middle-end/34921
2930         * tree-nested.c (insert_field_into_struct): Set type alignment
2931         to field alignment if the former is less than the latter.
2932
2933 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
2934
2935         * BASE-VER: Set to 4.4.0.
2936
2937 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2938
2939         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
2940         * doc/cfg.texi: Likewise.
2941         * doc/extend.texi: Likewise.
2942         * doc/gty.texi: Likewise.
2943         * doc/invoke.texi: Likewise.
2944         * doc/loop.texi: Likewise.
2945         * doc/md.texi: Likewise.
2946         * doc/passes.texi: Likewise.
2947         * doc/rtl.texi: Likewise.
2948         * doc/sourcebuild.texi: Likewise.
2949         * doc/tm.texi: Likewise.
2950         * doc/tree-ssa.texi: Likewise.
2951
2952 2008-02-17  Richard Guenther  <rguenther@suse.de>
2953
2954         PR middle-end/35227
2955         * tree-complex.c (init_parameter_lattice_values): Handle parameters
2956         without default definition.
2957
2958 2008-02-17  Richard Guenther  <rguenther@suse.de>
2959
2960         PR tree-optimization/35231
2961         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
2962         if A | B != 1.
2963
2964 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
2965
2966         Revert:
2967         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
2968         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
2969         libgcc_cmp_return mode.
2970
2971 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2972
2973         PR c/28368
2974         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
2975
2976 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
2977
2978         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
2979         multilibs.
2980
2981 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2982
2983         * doc/c-tree.texi: Use `@.' where appropriate.
2984         * doc/extend.texi: Likewise.
2985         * doc/install.texi: Likewise.
2986         * doc/invoke.texi: Likewise.
2987         * doc/loop.texi: Likewise.
2988         * doc/makefile.texi: Likewise.
2989         * doc/md.texi: Likewise.
2990         * doc/passes.texi: Likewise.
2991         * doc/standards.texi: Likewise.
2992         * doc/tm.texi: Likewise.
2993
2994 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
2995
2996         PR middle-end/35196
2997         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
2998         in entry_bb.
2999         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
3000         rather than in entry_bb.
3001
3002 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
3003
3004         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
3005         libgcc_cmp_return mode.
3006
3007 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
3008
3009         PR middle-end/35130
3010         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
3011         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
3012
3013 2008-02-15  Richard Guenther  <rguenther@suse.de>
3014             Zdenek Dvorak  <ook@ucw.cz>
3015
3016         PR tree-optimization/35164
3017         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
3018         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
3019         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
3020         Only propagate addresses which do not have abnormal SSA_NAMEs
3021         in their operands.
3022
3023 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
3024
3025         PR target/35088
3026         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
3027
3028 2008-02-15  Jan Hubicka  <jh@suse.cz>
3029
3030         PR middle-end/35149
3031         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
3032
3033 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
3034
3035         PR middle-end/34621
3036         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
3037         when calculating alignment_pad.
3038
3039 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
3040
3041         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
3042         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
3043         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
3044         and STACK_BOUNDARY define.
3045
3046 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
3047
3048         PR preprocessor/35061
3049         * c-pragma.c (handle_pragma_pop_macro): Check that
3050         pushed_macro_table has been allocated.
3051
3052 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
3053
3054         PR middle-end/35136
3055         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
3056         (force_gimple_operand): Likewise.
3057         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
3058         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
3059         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
3060         (find_interesting_uses_address): Check addressability and alignment
3061         of the base expression only after substituting bases of IVs into it.
3062
3063 2008-02-14  Michael Matz  <matz@suse.de>
3064
3065         PR target/34930
3066         * function.c (instantiate_virtual_regs_in_insn): Reload address
3067         before falling back to reloading the whole operand.
3068
3069 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
3070
3071         * config/s390/s390.c (s390_mainpool_start): Emit the pool
3072         before the first section switch note.
3073
3074 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3075
3076         * doc/bugreport.texi: Update copyright years.
3077         * doc/c-tree.texi: Likewise.
3078         * doc/cfg.texi: Likewise.
3079         * doc/cpp.texi: Likewise.
3080         * doc/cppinternals.texi: Likewise.
3081         * doc/fragments.texi: Likewise.
3082         * doc/frontends.texi: Likewise.
3083         * doc/gcc.texi: Likewise.
3084         * doc/gty.texi: Likewise.
3085         * doc/hostconfig.texi: Likewise.
3086         * doc/implement-c.texi: Likewise.
3087         * doc/libgcc.texi: Likewise.
3088         * doc/loop.texi: Likewise.
3089         * doc/makefile.texi: Likewise.
3090         * doc/options.texi: Likewise.
3091         * doc/passes.texi: Likewise.
3092         * doc/rtl.texi: Likewise.
3093         * doc/sourcebuild.texi: Likewise.
3094         * doc/standards.texi: Likewise.
3095         * doc/tree-ssa.texi: Likewise.
3096         * doc/trouble.texi: Likewise.
3097
3098         * doc/extend.texi: Use @: or add comma where appropriate.
3099         * doc/invoke.texi: Likewise.
3100         * doc/tm.texi: Likewise.
3101
3102 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
3103
3104         PR target/34393
3105         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
3106         to a reg.
3107
3108 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
3109
3110         * doc/md.texi (clz, ctz): Add reference.
3111         * doc/rtl.texi (clz, ctz): Likewise.
3112
3113 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3114
3115         PR other/35148
3116         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
3117         srcdir.
3118
3119 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
3120
3121         * config/s390/s390.c (struct constant_pool): New field
3122         emit_pool_after added.
3123         (s390_mainpool_start): Set the emit_pool_after flag according
3124         to the section switch notes.
3125         (s390_mainpool_finish): Consider emit_pool_after when emitting
3126         the literal pool at the end of the function.
3127         (s390_chunkify_start): Force literal pool splits at section
3128         switch notes.
3129
3130 2008-02-13  Michael Matz  <matz@suse.de>
3131
3132         PR debug/35065
3133         * var-tracking.c (clobber_variable_part): Correctly traverse the
3134         list.
3135
3136 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3137
3138         PR 29673
3139         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
3140         Add -fdump-ipa-inline.
3141         * tree-dump.c (dump_files): Remove tree-inlined dump.
3142         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
3143
3144 2008-02-12  Richard Guenther  <rguenther@suse.de>
3145
3146         PR tree-optimization/35171
3147         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
3148         default defs.
3149
3150 2008-02-12  Richard Guenther  <rguenther@suse.de>
3151
3152         PR middle-end/35163
3153         * fold-const.c (fold_widened_comparison): Use get_unwidened in
3154         value-preserving mode.  Disallow final truncation.
3155
3156 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
3157
3158         PR middle-end/35136
3159         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
3160         code from here to...
3161         (force_gimple_operand): ...here.
3162
3163 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
3164
3165         PR c++/35144
3166         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
3167         non-compatible pointers.
3168         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
3169         different FIELD_DECLs, try harder by comparing field offsets, sizes
3170         and types.
3171
3172         PR inline-asm/35160
3173         * function.c (match_asm_constraints_1): Don't replace the same input
3174         multiple times.
3175
3176 2008-02-12  Anatoly Sokolov <aesok@post.ru>
3177
3178         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
3179         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
3180         (expand_epilogue): Restore RAMPZ register.
3181         * config/avr/avr.md (RAMPZ_ADDR): New constant.
3182
3183 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
3184
3185         * config/i386/cygwin.asm: (__alloca): Correct calling
3186         convention and alignment.
3187         (__chkstk): Force 8 byte stack alignment.
3188
3189 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
3190             Richard Guenther  <rguenther@suse.de>
3191
3192         PR tree-optimization/33992
3193         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
3194         the zero we compare against.
3195
3196 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
3197
3198         PR libfortran/35063
3199         * gthr-win32.h (__gthread_mutex_destroy_function): New function
3200         to CloseHandle after unlocking to prevent accumulation of handle
3201         count.
3202
3203 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3204
3205         PR middle_end/34150
3206         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
3207         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
3208         and update LABEL_NUSES during and after reload.
3209
3210 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
3211
3212         PR middle-end/34627
3213         * combine.c (simplify_if_then_else): Make sure the comparison is
3214         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
3215
3216 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
3217
3218         PR bootstrap/35051
3219         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
3220         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
3221         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
3222         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
3223         * tree.h (get_type_static_bounds): Likewise.
3224
3225 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3226
3227         * doc/invoke.texi (Option Summary, C++ Dialect Options)
3228         (Objective-C and Objective-C++ Dialect Options, Warning Options):
3229         Make -Wfoo language annotations match what the compiler outputs.
3230
3231 2008-02-08  Sa Liu  <saliu@de.ibm.com>
3232
3233         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
3234         intrinsics spu_convts, spu_convtu, spu_convtf.
3235         * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
3236
3237 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
3238
3239         * doc/extend.texi (Function Attributes) <noinline>: Mention
3240         asm ("") as method to keep calls.
3241
3242 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3243
3244         PR other/32754
3245         * doc/options.texi (Options): Replace references to opts.sh with
3246         optc-gen.awk.
3247         * opts-common.c: Likewise.
3248         * optc-gen.awk: Likewise.
3249
3250 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
3251
3252         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
3253
3254 2008-02-07  Richard Henderson  <rth@redhat.com>
3255
3256         PR rtl-opt/33410
3257         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
3258         EXPR_LIST for the REG_EQUAL instead of a comparison with a
3259         funny mode.
3260
3261 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
3262
3263         PR tree-optimization/35085
3264         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
3265         for operand entry oe2 in addition to operand entry oe3 in order to
3266         expose more opportunities for vectorizer sum reduction.
3267
3268 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3269
3270         PR other/35107
3271         * Makefile.in (LIBS): Remove $(GMPLIBS).
3272         (cc1-dummy, cc1): Add $(GMPLIBS).
3273
3274 2008-02-06  Jan Hubicka  <jh@suse.cz>
3275
3276         PR target/23322
3277         * i386.md (moddf_integer): Do not produce partial memory stalls for
3278         targets where it hurts.
3279
3280 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
3281
3282         PR target/35083
3283         * optabs.c (expand_float): Do not check for decimal modes when
3284         expanding unsigned integer through signed conversion.
3285
3286 2008-02-06  Nick Clifton  <nickc@redhat.com>
3287
3288         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
3289         inside the clobber with a match_operand and duplicated operand
3290         number in the constraint.
3291         (ineqbranchsi): Delete redundant comment.
3292
3293 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
3294
3295         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
3296         builtin_define ("__USE_INIT_FINI__").
3297         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
3298         -msx multilibs.
3299         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
3300
3301 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3302
3303         PR documentation/30330
3304         * doc/invoke.texi (C++ Dialect Options)
3305         (Objective-C and Objective-C++ Dialect Options, Warning Options):
3306         For each warning option -Wfoo that allows -Wno-foo, ensure both
3307         -Wfoo and -Wno-foo are listed in the option index.  Fix index
3308         entry of -Wswitch-default, index -Wnormalized= including the
3309         `=', and -Wlarger-than-@var{len} including @var{len}.
3310
3311 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
3312
3313         * config/i386/i386.md (floatunssisf2): Use
3314         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
3315         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
3316         Macroize expander using MODEF mode iterator.
3317
3318 2008-02-05  Diego Novillo  <dnovillo@google.com>
3319
3320         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
3321
3322         PR 33738
3323         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
3324
3325 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3326
3327         PR other/35070
3328         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
3329
3330 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
3331
3332         PR target/35084
3333         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
3334         to indicate if a message should be generated.
3335         (init_cumulative_args): Updated.
3336         (function_value_32): Likewise.
3337
3338 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
3339
3340         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
3341
3342 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
3343
3344         PR target/35083
3345         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
3346         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
3347
3348 2008-02-04  Diego Novillo  <dnovillo@google.com>
3349
3350         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
3351
3352         PR 33738
3353         * tree-vrp.c (vrp_evaluate_conditional): With
3354         -Wtype-limits, emit a warning when comparing against a
3355         constant outside the natural range of OP0's type.
3356
3357 2008-02-04  Richard Guenther  <rguenther@suse.de>
3358
3359         PR middle-end/33631
3360         * expr.c (count_type_elements): Give for unions instead of
3361         guessing.
3362
3363 2008-02-04  Richard Guenther  <rguenther@suse.de>
3364
3365         PR middle-end/35043
3366         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
3367         to TYPE_DOMAINs base type instead of using bitsizetype here.
3368
3369 2008-02-03  Jason Merrill  <jason@redhat.com>
3370
3371         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
3372
3373 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3374
3375         PR other/29972
3376         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
3377         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
3378         (RS/6000 and PowerPC Options): Fix typos and markup.
3379         * doc/passes.texi (Tree-SSA passes): Likewise.
3380
3381 2008-02-02  Michael Matz  <matz@suse.de>
3382
3383         PR target/35045
3384         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
3385         from record_last_reg_set_info.
3386         (record_last_reg_set_info): Take an RTX argument, iterate over all
3387         constituent hardregs.
3388         (record_last_set_info, record_opr_changes): Change calls to
3389         new signature or to record_last_reg_set_info_regno.
3390
3391 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
3392
3393         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
3394
3395 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
3396
3397         PR rtl-optimization/34773
3398         * reg-notes.def (EQUAL): Mention significance of combination of
3399         REG_EQUAL and REG_RETVAL.
3400         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
3401         insn that has a REG_RETVAL.
3402
3403 2008-02-01  Roger Sayle  <roger@eyesopen.com>
3404
3405         PR bootstrap/33781
3406         * configure.ac (--enable-fixed-point): Disable unless explicitly
3407         requested on IRIX.
3408         * configure: Regenerate.
3409
3410 2008-02-01  Richard Guenther  <rguenther@suse.de>
3411
3412         PR other/35042
3413         * invoke.texi (-finline-limit): Remove no longer true parts
3414         of the documentation.  Note that there is no default value.
3415
3416 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
3417             Mark Mitchell  <mark@codesourcery.com>
3418             Ben Elliston  <bje@au.ibm.com>
3419
3420         PR c/29326
3421         * doc/extend.texi (Other Builtins): Document.
3422
3423 2008-01-31  Tom Browder <tom.browder@gmail.com>
3424
3425         * doc/c-tree.texi (Types): Fix grammar.
3426         (Expression trees): Ditto.
3427         * doc/passes.texi (Tree-SSA passes): Ditto.
3428
3429         * doc/configterms.texi (Configure Terms): Fix typo.
3430         * doc/cpp.texi (Common Predefined Macros): Ditto.
3431         * doc/md.texi (Machine Constraints): Ditto.
3432
3433         * doc/makefile.texi (Makefile): Add comma.
3434
3435 2008-01-31  Tom Browder  <tom.browder@gmail.com>
3436             Gerald Pfeifer  <gerald@pfeifer.com>
3437
3438         * doc/sourcebuild.texi (Front End): Remove references to CVS
3439         and CVSROOT/modules.
3440         (Texinfo Manuals): Replace reference to CVS by one to SVN.
3441         (Back End): Remove reference to CVS.
3442
3443 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
3444
3445         PR target/34900
3446         * config/mips/mips.c (gen_load_const_gp): New function, taking a
3447         comment from...
3448         (mips16_gp_pseudo_reg): ...here.
3449         * config/mips/mips.md (load_const_gp): Replace with...
3450         (load_const_gp_<mode>): ...this :P-based insn.
3451
3452 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3453
3454         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
3455         options. Minor fixes.
3456         (-std): Move reference to standards closer to where language
3457         standards are first mentioned.
3458
3459 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
3460
3461         PR rtl-optimization/34995
3462         * reload.c (alternative_allows_const_pool_ref): Take an rtx
3463         parameter and return a bool.  If the rtx parameter is nonnull,
3464         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
3465         (find_reloads): Update call accordingly.  Pass the new operand
3466         if it needed no address reloads, otherwise pass null.
3467
3468 2008-01-30  Richard Henderson  <rth@redhat.com>
3469
3470         PR c/34993
3471         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
3472         for unbounded arrays.
3473
3474 2008-01-30  Silvius Rus  <rus@google.com>
3475
3476         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
3477
3478 2008-01-30  Jan Hubicka  <jh@suse.cz>
3479
3480         PR target/34982
3481         * i386.c (init_cumulative_args): Use real function declaration when
3482         calling locally.
3483
3484 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
3485
3486         PR rtl-optimization/34998
3487         * global.c (build_insn_chain): Treat non-subreg_lowpart
3488         SUBREGs of pseudos as clobbering all the words covered by the
3489         SUBREG, not just all the bytes.
3490         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
3491         original df_ref rather than an extract parameter.
3492         (global_conflicts): Update call accordingly.
3493
3494 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
3495
3496         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
3497         the overflow check to make it easier to read.
3498         (__fixtfdi): Change the type of the ll member in union
3499         long_double to UDItype_x.
3500
3501 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
3502
3503         PR middle-end/34969
3504         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
3505         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
3506         * tree-inline.c (fold_marked_statements): Call
3507         cgraph_update_edges_for_call_stmt if folding a call statement.
3508         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
3509         debug_generic_stmt calls, reset it back afterwards.
3510
3511         PR c/35017
3512         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
3513         static decls.
3514         * c-typeck.c (build_external_ref): Don't pedwarn about
3515         static vars in current function's scope.
3516
3517 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
3518
3519         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
3520
3521 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
3522
3523         PR c/35002
3524         * ipa-struct-reorg.c: Fix spelling.
3525         * params.def: Ditto.
3526
3527 2008-01-29  Richard Guenther  <rguenther@suse.de>
3528
3529         PR middle-end/35006
3530         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
3531         field.
3532         * tree-inline.c (remap_type): Increment remapping_type_depth
3533         around remapping types.
3534         (copy_body_r): Only add referenced variables if they are referenced
3535         from code, not types.
3536
3537 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
3538
3539         PR c++/34055
3540         PR c++/34103
3541         PR c++/34219
3542         PR c++/34606
3543         PR c++/34753
3544         PR c++/34754
3545         PR c++/34755
3546         PR c++/34919
3547         PR c++/34961
3548         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
3549         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
3550
3551 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
3552
3553         PR target/34412
3554         * config/avr/avr.c (expand_prologue): Use correct QI mode frame
3555         pointer for tiny stack.
3556
3557 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
3558
3559         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
3560
3561 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
3562
3563         * config/vx-common.h: Fix typo in comment.
3564
3565 2008-01-28  Ian Lance Taylor  <iant@google.com>
3566
3567         PR c++/34862
3568         PR c++/33407
3569         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
3570         coalesce pointers if they have different DECL_NO_TBAA_P values.
3571         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
3572         between variables with different DECL_NO_TBAA_P values.
3573
3574 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
3575
3576         PR 31535
3577         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
3578         are not legitimate small data references on SPE targets.
3579
3580 2008-01-28  David Daney  <ddaney@avtrex.com>
3581
3582         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
3583
3584 2008-01-28  David Daney  <ddaney@avtrex.com>
3585
3586         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
3587
3588 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
3589
3590         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
3591         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
3592         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
3593         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
3594         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
3595         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
3596         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
3597         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
3598
3599 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
3600
3601         * basic-block.h (condjump_equiv_p): Fix comment.
3602
3603 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
3604
3605         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
3606         print_generic_stmt_indented): Fix comment.
3607
3608 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
3609
3610         * configure.ac (__stack_chk_fail): Add detecion for availability
3611         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
3612         * configure: Regenerate.
3613
3614 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
3615
3616         PR middle-end/34688
3617         * final.c (output_addr_const): Handle TRUNCATE.
3618
3619 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
3620
3621         PR target/34711
3622         * tree-ssa-loop-ivopts.c (comp_cost): New type.
3623         (zero_cost, infinite_cost): New constants.
3624         (struct cost_pair): Change type of cost to comp_cost.
3625         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
3626         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
3627         New functions.
3628         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
3629         split_address_cost, ptr_difference_cost, difference_cost,
3630         get_computation_cost_at, get_computation_cost,
3631         determine_use_iv_cost_generic, determine_use_iv_cost_address,
3632         determine_use_iv_cost_condition, determine_use_iv_costs,
3633         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
3634         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
3635         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
3636         Change type of cost to comp_cost.
3637         (determine_iv_cost): Increase cost of non-original ivs, instead
3638         of decreasing the cost of original ones.
3639         (get_address_cost): Indicate the complexity of the addressing mode
3640         in comp_cost.
3641         (try_add_cand_for): Prefer using ivs not specific to some object.
3642         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
3643
3644 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
3645             Janis Johnson  <janis187@us.ibm.com>
3646
3647         PR target/34814
3648         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
3649         (TARGET_INSTANTIATE_DECLS): Likewise.
3650         * target.h (expand_to_rtl_hook): New target hook.
3651         (instantiate_decls): Likewise.
3652         * function.c (instantiate_decl): Make non-static.  Rename to...
3653         (instantiate_decl_rtl): ... this.
3654         (instantiate_expr): Use instantiate_decl_rtl.
3655         (instantiate_decls_1): Likewise.
3656         (instantiate_decls): Likewise.
3657         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
3658         * function.h (instantiate_decl_rtl): Add prototype.
3659         * cfgexpand.c (target.h): New include.
3660         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
3661         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
3662         (TARGET_INSTANTIATE_DECLS): Likewise.
3663         (TARGET_INITIALIZER): New target hooks added.
3664         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
3665         New prototype.
3666         * config/rs6000/rs6000.c (tree-flow.h): New include.
3667         (machine_function): Add sdmode_stack_slot field.
3668         (rs6000_alloc_sdmode_stack_slot): New function.
3669         (rs6000_instantiate_decls): Likewise.
3670         (rs6000_secondary_memory_needed_rtx): Likewise.
3671         (rs6000_check_sdmode): Likewise.
3672         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
3673         (TARGET_INSTANTIATE_DECLS): Likewise.
3674         (rs6000_hard_regno_mode_ok): Allow SDmode.
3675         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
3676         (rs6000_emit_move): Handle SDmode.
3677         (function_arg_advance): Likewise.
3678         (function_arg): Likewise.
3679         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
3680         SDmode var args for 32-bit compiles.
3681         (rs6000_secondary_reload_class): Handle SDmode.
3682         (rs6000_output_function_epilogue): Likewise.
3683         (rs6000_function_value): Simplify if statement.
3684         (rs6000_libcall_value): Likewise.
3685         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
3686         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
3687         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
3688         (movsd_hardfloat): New define_insn.
3689         (movsd_softfloat): Likewise.
3690         (movsd_store): Likewise.
3691         (movsd_load): Likewise.
3692         (extendsddd2): Likewise.
3693         (extendsdtd2): Likewise.
3694         (truncddsd2): Likewise.
3695         (movdd_hardfloat64): Fixup comment.
3696         (UNSPEC_MOVSD_LOAD): New constant.
3697         (UNSPEC_MOVSD_STORE): Likewise.
3698
3699 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
3700
3701         PR c++/34965
3702         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
3703         TRUTH_XOR_EXPR.
3704         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
3705         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
3706         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
3707         and TRUTH_XOR_EXPR.
3708
3709 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
3710
3711         PR target/34794
3712         * config.gcc: Separate AIX 5.3 from AIX 6.1.
3713         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3714         __LONGDOUBLE128 too.
3715         * config/rs6000/aix61.h: New file.
3716
3717 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
3718
3719         PR rtl-optimization/34959
3720         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
3721         popcount and parity rtxes the same mode as their operand.
3722         Truncate or extend the result to the return value's mode
3723         if necessary.
3724
3725 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
3726
3727         PR target/34981
3728         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
3729         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
3730         to GOT_VERSION_REGNUM.
3731         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
3732         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
3733         * config/mips/mips.c (mips_emit_call_insn): New function.
3734         (mips_call_tls_get_addr): Call mips_expand_call directly.
3735         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
3736         emit_call_insn.
3737         (mips16_build_call_stub): Likewise.  Return the call insn or null.
3738         (mips_expand_call): Update the call to mips16_build_call_stub
3739         accordingly and a remove redundant condition.  Assert that MIPS16
3740         stubs do not use lazy binding.  Use mips_emit_call_insn and return
3741         the call insn.
3742         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
3743         TARGET_USE_GOT.
3744         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
3745         (mips_avoid_hazard): Remove hazard_set handling.
3746         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
3747         (UNSPEC_RESTORE_GP): ...this.
3748         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
3749         (FAKE_CALL_REGNO): Rename to...
3750         (GOT_VERSION_REGNUM): ...this.
3751         (type): Add "ghost" value.  Add an associated insn reservation.
3752         (hazard_set): Remove.
3753         (exception_receiver): Rename to...
3754         (restore_gp): ...this and update the unspec identifier accordingly.
3755         (exception_receiver, nonlocal_got_receiver): New expanders.
3756         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
3757         FAKE_CALL_REGNO.  Remove hazard_set attribute.
3758         (set_got_version, update_got_version): New patterns.
3759
3760 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
3761
3762         PR target/34970
3763         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
3764
3765 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
3766
3767         PR other/31955
3768         * doc/install.texi2html: Generate gcc-vers.texi.
3769
3770 2008-01-25  DJ Delorie  <dj@redhat.com>
3771
3772         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
3773
3774 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
3775
3776         * config/c4x: Remove directory.
3777         * config.gcc (crx-*, mt-*): Mark obsolete.
3778         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
3779         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
3780         sh-*-rtemscoff*): Remove cases.
3781         * defaults.h (C4X_FLOAT_FORMAT): Remove.
3782         * real.c (encode_c4x_single, decode_c4x_single,
3783         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
3784         c4x_extended_format): Remove.
3785         * real.h (c4x_single_format, c4x_extended_format): Remove.
3786         * doc/extend.texi (interrupt, naked): Remove mention of attributes
3787         on C4x.
3788         (Pragmas): Remove comment about c4x pragmas.
3789         * doc/install.texi (c4x): Remove target-specific instructions.
3790         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
3791         * doc/md.texi (Machine Constraints): Remove C4x documentation.
3792         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
3793         refer to C4x source files as examples.
3794         (C4X_FLOAT_FORMAT): Remove documentation.
3795
3796 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
3797
3798         * config/bfin/bfin.c (override_options): Reorder tests so that
3799         flag_pic gets enabled for -msep-data.
3800
3801 2008-01-25  Richard Guenther  <rguenther@suse.de>
3802
3803         PR middle-end/32244
3804         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
3805         to its bitfield precision if required.
3806
3807 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
3808
3809         PR middle-end/33880
3810         * tree-nested.c (walk_omp_for): New function.
3811         (convert_nonlocal_reference, convert_local_reference): Call
3812         walk_omp_for on OMP_FOR.
3813         (convert_call_expr): Call walk_body on OMP_FOR's
3814         OMP_FOR_PRE_INIT_BODY.
3815
3816 2008-01-25  Richard Guenther  <rguenther@suse.de>
3817
3818         PR tree-optimization/34966
3819         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
3820         default defs and PHI_NODEs we have to insert after the
3821         defining statement.
3822
3823 2008-01-24  Nick Clifton  <nickc@redhat.com>
3824
3825         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
3826         Provide a default definition.
3827         (LIBGCC2_UNITS_PER_WORD): Likewise.
3828
3829         * config/stormy16/stormy16.c: Include df.h for the prototype
3830         for df_regs_ever_live_p.
3831         (xstormy16_expand_builtin_va_start): Convert the stack offset
3832         into a component_ref and then use POINTER_PLUS_EXPR to add it
3833         to the incoming_virtual_args_rtx.
3834         (xstormy16_gimplify_va_arg_expr): Rename to
3835         xstormy16_gimplify_va_arg_expr.
3836         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
3837         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
3838         xstormy16_gimplify_va_arg_expr.
3839         Fix up some formatting issues.
3840
3841         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
3842         Move to predicates.md.
3843         (xs_hi_general_operand): Likewise.
3844         (xs_hi_nonmemory_operand): Likewise.
3845         * config/stormy16/predicates.md:
3846         (xstormy16_carry_plus_operand): New predicate.
3847         (xs_hi_general_operand): New predicate.
3848         (xs_hi_nonmemory_operand): New predicate.
3849         * config/stormy16/stormy16-protos.h:
3850         (xstormy16_carry_plus_operand): Delete prototype.
3851         (xs_hi_general_operand): Likewise.
3852         (xs_hi_nonmemory_operand): Likewise.
3853
3854         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
3855         modifiers as they are no longer needed and they can trigger
3856         reload spill failures.
3857
3858         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
3859         with a match_operand in order to help reload.
3860
3861         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
3862         constraint with 'e' for the 8th alternative as this version of
3863         the mov.w instruction only accepts the lower 8 registers.
3864
3865 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
3866
3867         PR target/34856
3868         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
3869         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
3870         vector elements.
3871
3872 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
3873
3874         PR middle-end/33333
3875         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
3876
3877 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
3878
3879         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
3880         New functions.
3881         (remove_structure): Update allocations list before removing structure.
3882
3883 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
3884
3885         * ipa-struct-reorg.c (is_safe_cond_expr,
3886         create_new_stmts_for_cond_expr): Use integer_zerop function,
3887         that recognize not only zero-pointer, but zero-integer too.
3888
3889 2008-01-25  Ben Elliston  <bje@au.ibm.com>
3890
3891         PR other/22232
3892         * fixproto: Escape "." in sed expression that strips leading "./".
3893
3894 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
3895
3896         PR driver/34904
3897         * gcc.c (SWITCH_OK): Removed.
3898         (SWITCH_LIVE): Changed to bit.
3899         (SWITCH_FALSE): Likewise.
3900         (SWITCH_IGNORE): Likewise.
3901         (switchstr): Change live_cond to unsigned int.
3902         (process_command): Replace SWITCH_OK with 0.
3903         (do_self_spec): Likewise.
3904         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
3905         (give_switch): Likewise.
3906         (used_arg): Likewise.
3907         (do_spec_1): Set the SWITCH_IGNORE bit.
3908         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
3909         bits.  Set the SWITCH_LIVE bit.
3910
3911 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3912
3913         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
3914
3915 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
3916
3917         PR tree-optimization/34472
3918         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
3919         parameter to a "bool *" and set *DATA to false if there is
3920         an unsafe access.  Do not delete the structure here.
3921         (check_cond_exprs): Delete it here instead.
3922         (check_cond_exprs, exclude_cold_structs): Do not increase
3923         I when removing a structure.
3924
3925 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
3926
3927         PR target/34856
3928         * config/i386/i386.c (ix86_expand_vector_init): Consider only
3929         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
3930
3931 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
3932
3933         PR middle-end/34934
3934         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
3935         a fixed vector for stack.
3936
3937 2008-01-24  Ben Elliston  <bje@au.ibm.com>
3938
3939         PR c++/25701
3940         * doc/gcc.texi (Software development): Add a direntry for g++.
3941
3942 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
3943
3944         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
3945         stale and straggling -fforce-addr comments above.
3946
3947         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
3948         define.
3949         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
3950         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
3951
3952 2008-01-23  Michael Matz  <matz@suse.de>
3953
3954         PR debug/34895
3955         * dwarf2out.c (force_type_die): Use modified_type_die instead of
3956         gen_type_die.
3957
3958 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
3959
3960         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
3961         malloc result type.
3962
3963 2008-01-23 Anatoly Sokolov <aesok@post.ru>
3964
3965         * config/avr/avr.c (avr_current_arch): New variable.
3966         (avr_arch_types): Add 'avr31' and 'avr51' entries.
3967         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
3968         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
3969         (avr_override_options): Init 'avr_current_arch'.
3970         (base_arch_s): Move from here...
3971         * config/avr/avr.h (base_arch_s): ... here. Add new members
3972         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
3973         'mega' to 'have_jmp_call'.
3974         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
3975         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
3976         macros.
3977         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
3978         architectures.
3979         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
3980         MULTILIB_MATCHES): (Ditto.).
3981
3982 2008-01-23  Richard Guenther  <rguenther@suse.de>
3983
3984         PR middle-end/31529
3985         * cgraphunit.c (cgraph_reset_node): Always mark the node
3986         not reachable if it is not queued already.
3987
3988 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
3989
3990         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
3991         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
3992         (cputype_selected): New static variable.
3993         (bfin_handle_option): Set it if -mcpu is used.
3994         (override_option): Select default set of workarounds if no cpu type
3995         selected on the command line.
3996         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
3997
3998         From  Michael Frysinger  <michael.frysinger@analog.com>
3999         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
4000         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
4001
4002         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
4003         for bf547, bf523, bf524, and bf526.
4004         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
4005         bf526.
4006         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4007         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
4008         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
4009         __ADSPBF547__ and __ADSPBF54x__ for bf547.
4010         * doc/invoke.texi (Blackfin Options): Document that
4011         -mcpu now accept bf547, bf523, bf524, and bf526.
4012
4013 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
4014
4015         PR rtl-optimization/34628
4016         * combine.c (try_combine): Stop and undo after the first combination
4017         if an autoincrement side-effect on the first insn has effectively
4018         been lost.
4019
4020 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
4021
4022         PR target/34529
4023         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
4024         Offset addresses are not valid for Altivec or paired float modes.
4025
4026 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
4027
4028         PR c++/34607
4029         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
4030         if DECL_INITIAL (decl) is error_mark_node.
4031
4032         PR c++/34914
4033         * c-common.c (handle_vector_size_attribute): Only allow
4034         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
4035         the same way as pointer, array etc. types.
4036         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
4037
4038         PR c++/34917
4039         * tree.c (build_type_attribute_qual_variant): Call
4040         build_qualified_type if attributes are equal, but quals are not.
4041
4042 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4043
4044         PR 32102
4045         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
4046         * flags.h (warn_strict_aliasing): Remove.
4047         (warn_strict_overflow): Remove.
4048         * opts.c (warn_strict_aliasing): Remove.
4049         (warn_strict_overflow): Remove.
4050         * c-opts.c (c_common_handle_option): -Wall only sets
4051         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
4052         (c_common_post_options): Give default values to -Wstrict-aliasing
4053         and -Wstrict-overflow if they are uninitialized.
4054         * common.opt (Wstrict-aliasing): Specify Var and Init.
4055         (Wstrict-overflow): Likewise.
4056
4057 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
4058
4059         PR rtl-optimization/26854
4060         PR rtl-optimization/34400
4061         PR rtl-optimization/34884
4062         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
4063         DF_RD->gen.
4064         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
4065         (df_rd_bb_info.expanded_lr_out): Deleted
4066         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
4067         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
4068         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
4069         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
4070         Removed code to allocate, initialize or free expanded_lr_out.
4071         (df_rd_bb_local_compute_process_def): Restructured to make more
4072         understandable.
4073         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
4074         sets if the sets are being trimmed.
4075
4076 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
4077
4078         PR bootstrap/32287
4079         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
4080         (as_vers): Likewise.
4081         * configure: Regenerated.
4082
4083 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4084
4085         PR middle-end/33092
4086         * tree-pass.h (pass_build_alias): New pass.
4087         * tree-ssa-alias.c (gate_build_alias): New.
4088         (pass_build_alias): New.
4089         * passes.c (init_optimization_passes): Add pass_build_alias after
4090         pass_create_structure_vars.
4091
4092 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
4093
4094         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
4095         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
4096         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
4097         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
4098         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
4099         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
4100         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
4101         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
4102         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
4103         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
4104         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
4105         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
4106         * config/s390/s390.md (FP_ALL): New mode iterator.
4107         (_d): New mode attribute.
4108         ("*signbit<mode>2>"): Changed mode of first operand.
4109         ("isinf<mode>2"): Changed mode of first operand.
4110         ("*TDC_insn"): Adaptation for DFP modes.
4111
4112 2008-01-22  Ben Elliston  <bje@au.ibm.com>
4113
4114         * tree.c (check_qualified_type): Improve function description.
4115
4116 2008-01-21  Jason Merrill  <jason@redhat.com>
4117
4118         PR c++/34196
4119         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
4120         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
4121         if it is set.
4122
4123 2008-01-21  DJ Delorie  <dj@redhat.com>
4124
4125         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
4126         return zero.
4127
4128 2008-01-21  Richard Guenther  <rguenther@suse.de>
4129
4130         PR middle-end/34856
4131         * tree-cfg.c (verify_expr): Allow all invariant expressions
4132         instead of just constant class ones as reference argument.
4133         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
4134         like any other constant.
4135         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
4136
4137 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
4138
4139         * regmove.c (fixup_match_1): Update call crossed frequencies.
4140
4141 2008-01-21  Richard Guenther  <rguenther@suse.de>
4142
4143         PR c/34885
4144         * tree-inline.c (setup_one_parameter): Deal with mismatched
4145         types using a VIEW_CONVERT_EXPR.
4146
4147 2008-01-21  Alon Dayan  <alond@il.ibm.com>
4148             Olga Golovanevsky  <olga@il.ibm.com>
4149
4150         PR tree-optimization/34701
4151         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
4152         when the structure size is not a power of 2.
4153
4154 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
4155
4156         * doc/install.texi: Add doc for --enable-checking=df.
4157
4158 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
4159
4160         PR rtl-optimization/34808
4161         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
4162
4163 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
4164
4165         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
4166         input.
4167
4168 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
4169
4170         PR rtl-optimization/26854
4171         PR rtl-optimization/34400
4172         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
4173         DF_RD->gen.
4174         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
4175         (df_rd_bb_info.expanded_lr_out): New.
4176         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
4177         * loop_iv.c (iv_analysis_loop_init): Ditto.
4178         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
4179         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
4180         Added code to allocate, initialize or free expanded_lr_out.
4181         (df_rd_bb_local_compute_process_def): Restructured to make
4182         more understandable.
4183         (df_rd_confluence_n): Add code to do nothing with fake edges and
4184         code to no apply invalidate_by_call sets if the sets are being trimmed.
4185         (df_lr_local_finalize): Renamed to df_lr_finalize.
4186         (df_live_local_finalize): Renamed to df_live_finalize.
4187
4188 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
4189
4190         PR target/34831
4191         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
4192         deciding whether to use reciprocal instructions.
4193
4194 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
4195
4196         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
4197         dwarf2out_note_section_used if cold_text_section is NULL.
4198
4199 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
4200
4201         PR gcov-profile/34610
4202         * tree-cfg.c (make_edges): Mark both outgoing edges from
4203         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
4204         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
4205         from OMP_FOR and OMP_CONTINUE outgoing edges.
4206
4207         * tree-profile.c (tree_profiling): Return early if
4208         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
4209         at the end.
4210         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
4211         from cfun to child_cfun.
4212         * function.h (struct function): Add after_tree_profile bit.
4213
4214 2008-01-19 Anatoly Sokolov <aesok@post.ru>
4215
4216         * config/avr/avr.S (_exit): Disable interrupt.
4217
4218 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
4219             Steven Bosscher  <stevenb.gcc@gmail.com>
4220
4221         PR rtl-optimization/26854
4222         PR rtl-optimization/34400
4223         * df-problems.c (df_live_scratch): New scratch bitmap.
4224         (df_live_alloc): Allocate df_live_scratch when doing df_live.
4225         (df_live_reset): Clear the proper bitmaps.
4226         (df_live_bb_local_compute): Only process the artificial defs once
4227         since the order is not important.
4228         (df_live_init): Init the df_live sets only with the variables
4229         found live by df_lr.
4230         (df_live_transfer_function): Use the df_lr sets to prune the
4231         df_live sets as they are being computed.
4232         (df_live_free): Free df_live_scratch.
4233
4234 2008-01-18  Ian Lance Taylor  <iant@google.com>
4235
4236         * common.opt: Add fmerge-debug-strings.
4237         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
4238         flag_merge_debug_strings rather than flag_merge_constants.
4239         * doc/invoke.texi (Option Summary): Mention
4240         -fmerge-debug-strings.
4241         (Debugging Options): Document -fmerge-debug-strings.
4242
4243 2008-01-18  Ian Lance Taylor  <iant@google.com>
4244
4245         PR c++/33407
4246         * tree.h (DECL_IS_OPERATOR_NEW): Define.
4247         (struct tree_function_decl): Add new field operator_new_flag.
4248         * tree-inline.c (expand_call_inline): When inlining a call to
4249         operator new, force the return value to go into a variable, and
4250         set DECL_NO_TBAA_P on that variable.
4251         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
4252
4253 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
4254
4255         PR debug/34484
4256         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
4257         DWARF2_DEBUGGING_INFO.
4258         (dwarf2out_note_section_used): Ditto.  Add prototype.
4259         (have_multiple_function_sections, text_section_used,
4260         cold_text_section_used, *cold_text_sections): Move declarations
4261         before their uses.
4262
4263 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
4264
4265         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
4266         field and add signal_ra.
4267         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
4268         assignments to frame state pc.  Move end of stack check after
4269         MD_FALLBACK_FRAME_STATE_FOR.
4270         (uw_update_context_1): Use frame state signal_regs if set, instead
4271         of checking signal_frame flag.
4272         (uw_update_context): Use frame state signal_ra if set.
4273         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
4274         * config/xtensa/linux-unwind.h: New file.
4275
4276 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
4277
4278         * modulo-sched.c (get_sched_window): Fix comment typo.
4279
4280 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
4281
4282         PR tree-optimization/34648
4283         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
4284
4285 2008-01-17  Anatoly Sokolov <aesok@post.ru>
4286
4287         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
4288         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
4289
4290 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
4291
4292         PR rtl-optimization/34400
4293         * df-core.c (df_worklist_dataflow_overeager,
4294         df_worklist_dataflow_doublequeue): New functions.
4295         (df_worklist_dataflow): Two different worklist solvers.
4296         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
4297         New param.
4298
4299 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4300
4301         PR testsuite/34821
4302         * doc/invoke.texi: Document the dependence on pthread for fopenmp
4303         and ftree-parallelize-loops.
4304
4305 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
4306
4307         PR rtl-optimization/34826
4308         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
4309
4310 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
4311
4312         * global.c (find_reg): Mark the eh regs as used if necessary.
4313         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
4314         * ra.h (struct allocno): no_eh_reg field added.  Changed
4315         no_stack_reg type to bitfield.
4316
4317 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
4318
4319         * tree.c (substitute_in_expr): Add missing 'break'.
4320
4321 2008-01-17  Richard Guenther  <rguenther@suse.de>
4322
4323         PR tree-optimization/34825
4324         * tree-ssa-math-opts.c (is_division_by): Do not recognize
4325         x / x as division to handle.
4326
4327 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4328
4329         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
4330         "-pthread" is specified.
4331         * pa-hpux11.h (LIB_SPEC): Likewise.
4332
4333 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
4334             Peter Bergner  <bergner@vnet.ibm.com>
4335
4336         PR rtl-optimization/33796
4337         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
4338
4339 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4340
4341         PR libgfortran/34699
4342         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
4343         static links.
4344         * pa-hpux10.h (LINK_SPEC): Likewise.
4345         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
4346
4347 2008-01-16  Richard Guenther  <rguenther@suse.de>
4348
4349         PR middle-end/32628
4350         * fold-const.c (fold_convert_const_int_from_int): Do not
4351         set overflow if that occured only because of a sign extension
4352         change when converting from/to a sizetype with the same
4353         precision and signedness.
4354
4355 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
4356
4357         PR debug/34249
4358         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
4359         location address to the correct place.  Update copyright year.
4360
4361 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4362
4363         * lambda-code.c (lambda_transform_legal_p): Handle the case of
4364         no dependences in the dependence_relations vector.
4365
4366 2008-01-16  Jan Hubicka  <jh@suse.cz>
4367
4368         PR rtl-optimization/31396
4369         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
4370         * cfg.c (dump_reg_info): Print it.
4371         * regs.h (struct reg_info_t): add freq_calls_crossed.
4372         (REG_FREQ_CALLS_CROSSED): New macro.
4373         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
4374         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
4375         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
4376         regmove_optimize): Update call crossed frequencies.
4377         * local-alloc.c (struct qty): Add freq_calls_crossed.
4378         (alloc_qty): Copute freq_calls_crossed.
4379         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
4380         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
4381         * ra.h (struct allocno): Add freq_calls_crossed.
4382
4383 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4384
4385         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
4386         libgomp when compiling with ftree-parallelize-loops.
4387         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
4388
4389 2008-01-16  Richard Guenther  <rguenther@suse.de>
4390
4391         PR tree-optimization/34769
4392         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
4393         * tree.c (int_cst_value): Instead make this function more
4394         permissive in what it accepts as valid input.  Document this
4395         function always sign-extends the value.
4396
4397 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
4398             Richard Guenther  <rguenther@suse.de>
4399
4400         PR c/34668
4401         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
4402         (gimple_fold_indirect_ref_rhs): ... this.
4403         (gimple_fold_indirect_ref): New function with foldings
4404         that preserve lvalueness.
4405         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
4406         * tree-flow.h (gimple_fold_indirect_ref): Declare.
4407         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
4408         to fold an INDIRECT_REF, fall back to the old use of
4409         fold_indirect_ref_1.
4410
4411 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4412
4413         * tree-data-ref.c (subscript_dependence_tester_1): Call
4414         free_conflict_function.
4415         (compute_self_dependence): Same.
4416
4417 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
4418
4419         PR debug/34249
4420         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
4421         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
4422         function global.
4423         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
4424         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
4425         for DWARF2_UNWIND_INFO targets.
4426
4427 2008-01-16  Richard Guenther  <rguenther@suse.de>
4428
4429         PR c/34768
4430         * c-typeck.c (common_pointer_type): Do not merge inconsistent
4431         type qualifiers for function types.
4432
4433 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
4434
4435         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
4436         loop_iterator li from previous commit.
4437
4438 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
4439
4440         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
4441
4442 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
4443
4444         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
4445         (parallelize_loops): Don't parallelize irreducible components.
4446
4447 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4448
4449         PR c++/24924
4450         * c-opts (c_common_post_options): Do not enable CPP
4451         flag_pedantic_errors by default.
4452
4453 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
4454
4455         PR rtl-optimization/31944
4456         * cse.c (remove_pseudo_from_table): New function.
4457         (merge_equiv_classes): Use above function to remove pseudo-registers.
4458         (invalidate): Likewise.
4459
4460 2008-01-13  Richard Guenther  <rguenther@suse.de>
4461
4462         PR middle-end/34601
4463         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
4464         instead of TYPE_MODE to deal with calls from expand_one_error_var.
4465
4466 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
4467
4468         * gcse.c (cprop_jump): Call validate_unshare_change instead of
4469         validate_change to unshare the source of the PC set.
4470
4471 2008-01-12  Jan Hubicka  <jh@suse.cz>
4472
4473         PR middle-end/32135
4474         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
4475         references above array bounds.  This might trigger bounds checks for
4476         pointers to arrays.
4477
4478 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
4479
4480         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
4481         new_replaceable_dependencies.
4482
4483 2008-01-12  Doug Kwan  <dougkwan@google.com>
4484
4485         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
4486         instead of OPT_Wreturn_type in warning due to ignored return type
4487         qualifiers.
4488         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
4489         options included in -Wextra.
4490         * c.opt: New option -Wignored_qualifiers.
4491         * doc/invoke.texi (Warning Options, -Wextra): Add new option
4492         -Wignore_qualifiers.
4493         (-Wignored-qualifiers): Document.
4494         (-Wreturn-type): Remove description of functionality now handled
4495         by -Wignored-qualifiers.
4496
4497 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
4498
4499         PR ada/33788
4500         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
4501         NOP_EXPR if it is between integral types with the same precision.
4502
4503 2008-01-12  Jan Hubicka  <jh@suse.cz>
4504
4505         PR other/28023
4506         * invoke.texi (max-inline-recursive-depth): Fix default value.
4507
4508 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
4509
4510         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
4511         correct type.
4512
4513 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
4514
4515         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
4516
4517 2008-01-11  James E. Wilson  <wilson@specifix.com>
4518
4519         PR target/26015
4520         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
4521
4522 2008-01-11  Anatoly Sokolov <aesok@post.ru>
4523
4524         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
4525         save/restore frame pointer register and don't use 'call-prologues'
4526         optimization in function with "OS_task" attribute.
4527
4528 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
4529
4530         PR middle-end/31309
4531         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
4532         when copying to memory.
4533
4534 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
4535
4536         PR rtl-optimization/30905
4537         * cfgcleanup.c: Include dce.h
4538         (crossjumps_occured): New global variable.
4539         (try_crossjump_bb): Exit loop after finding a fallthru edge.
4540         If something changed, set crossjumps_occured to true.
4541         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
4542         Don't add/remove fake edges to exit here...
4543         (cleanup_cfg): ...but do it here, when crossjumping.
4544         Run a fast DCE when successful crossjumps occured in the latest
4545         iteration of try_optimize_cfg.
4546
4547 2008-01-11  Richard Guenther  <rguenther@suse.de>
4548
4549         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
4550         (struct vn_unary_op_s): Likewise.
4551         (vn_reference_insert): Free old reference on hash collision.
4552
4553 2008-01-10  Raksit Ashok  <raksit@google.com>
4554
4555         PR rtl-optimization/27971
4556         * combine.c (find_split_point): Split PLUS expressions which are
4557         inside a MEM rtx, and whose first operand is complex.
4558
4559 2008-01-10  DJ Delorie  <dj@redhat.com>
4560
4561         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
4562         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
4563         (m32c_hard_regno_ok): Call the underlying function.
4564
4565 2008-01-10  Richard Guenther  <rguenther@suse.de>
4566
4567         PR middle-end/34683
4568         * tree-cfg.c (tree_merge_blocks): Do not go through the
4569         full-blown folding and stmt updating path if we just deal
4570         with virtual operands.
4571         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
4572         test for abnormal SSA_NAMEs.
4573
4574 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
4575
4576         PR middle-end/34641
4577         * reload.c (push_reload): Add assertions.  All constants from
4578         reg_equiv_constant should have been used for replacing the respective
4579         pseudo earlier.
4580         (find_reloads_address): Invoke find_reloads_address_part for
4581         constant taken from the reg_equiv_constant array.
4582
4583 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
4584
4585         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
4586         field (valnum) the first in the struct.  Replace bools with
4587         unit bit fields.
4588
4589 2008-01-10  Richard Guenther  <rguenther@suse.de>
4590
4591         PR tree-optimization/34651
4592         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
4593         types and ordering for masking and converting.
4594
4595 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
4596
4597         PR tree-optimization/34017
4598         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
4599         also for PHI_NODE expressions.
4600
4601 2008-01-09  Jan Hubicka  <jh@suse.cz>
4602
4603         PR tree-optimization/34708
4604         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
4605         based on number of case labels.
4606         (init_inline_once): Remove switch_cost.
4607         * tree-inline.h (eni_weights_d): Remove switch_cost.
4608
4609 2008-01-09  Richard Guenther  <rguenther@suse.de>
4610         Andrew Pinski  <andrew_pinski@playstation.sony.com>
4611
4612         PR middle-end/30132
4613         * gimplify.c (gimplify_cond_expr): Do not create an addressable
4614         temporary if an rvalue is ok or an lvalue is not required.
4615
4616 2008-01-09  Richard Guenther  <rguenther@suse.de>
4617
4618         PR middle-end/34458
4619         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
4620         adjust return type.
4621
4622 2008-01-09  Richard Guenther  <rguenther@suse.de>
4623
4624         PR middle-end/34679
4625         * tree.c (host_integerp): Check for sizetype only if the
4626         type is an integer type.
4627
4628 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
4629
4630         PR debug/26364
4631         * opts.c (decode_options): Disable inlining of functions called
4632         once if not in unit-at-a-time mode.
4633
4634 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
4635
4636         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
4637
4638 2008-01-08  Richard Guenther  <rguenther@suse.de>
4639
4640         PR middle-end/31863
4641         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
4642         out early if the result will be unused.
4643
4644 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
4645
4646         PR target/34709
4647         Revert:
4648
4649         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
4650         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
4651         for TARGET_RECIP.
4652
4653 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
4654
4655         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
4656         for vectorization tuned.
4657
4658 2008-01-08  Richard Guenther  <rguenther@suse.de>
4659
4660         PR tree-optimization/34683
4661         * tree-ssa-operands.c (operand_build_cmp): Export.
4662         * tree-ssa-operands.h (operand_build_cmp): Declare.
4663         * tree-vn.c (vuses_compare): Remove.
4664         (sort_vuses): Use operand_build_cmp.
4665         (sort_vuses_heap): Likewise.
4666         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
4667         to re-use old VEC if available.  Do not sort already sorted VUSEs.
4668         (vdefs_to_vec): Do not sort already sorted VDEFs.
4669
4670 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
4671
4672         PR middle-end/34694
4673         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
4674
4675 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
4676
4677         PR target/34702
4678         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
4679         limitations of reciprocal sequences on x86 targets.
4680
4681 2008-01-08  Richard Guenther  <rguenther@suse.de>
4682
4683         PR tree-optimization/34683
4684         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
4685
4686 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
4687
4688         PR target/34622
4689         * config/darwin.c (darwin_mergeable_string_section): Don't use
4690         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
4691
4692 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
4693
4694         PR target/34682
4695         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
4696         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
4697         predicates of op0 and op1 to register_operand.
4698         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
4699         expander using X87MODEF mode iterator.  Change predicates of
4700         op0 and op1 to register_operand.
4701         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
4702         corresponding patterns and macroize using MODEF macro.  Change
4703         predicates of op0 and op1 to register_operand and remove
4704         "m" constraint. Disparage "r" alternative with "!".
4705         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
4706         macroize using X87MODEF macro.  Change predicates of op0 and op1
4707         to register_operand and remove "m" constraint.  Disparage "r"
4708         alternative with "!".
4709         (absneg splitter with memory operands): Remove.
4710         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
4711         patterns and macroize using X87MODEF mode iterator.
4712         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
4713         Change predicate of op1 to register_operand.
4714         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
4715         for memory operands.
4716
4717 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
4718
4719         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
4720
4721 2008-01-07  Richard Guenther  <rguenther@suse.de>
4722
4723         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
4724         fields.
4725
4726 2008-01-07  Richard Guenther  <rguenther@suse.de>
4727
4728         PR tree-optimization/34683
4729         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
4730         VOPs of the needed size to save memory.  Use VEC_quick_push
4731         to save compile-time.
4732         (vdefs_to_vec): Likewise.
4733
4734 2008-01-07  Sa Liu  <saliu@de.ibm.com>
4735
4736         * config/spu/spu.md (divdf3): Genetate inline code for double
4737         division.  The implementation doesn't handle INF or NAN, therefore it
4738         only applies when -ffinite-math-only is given.
4739
4740 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
4741
4742         PR libstdc++/34680
4743         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
4744         * doc/cpp.texi ([Common Predefined Macros]): Document.
4745
4746 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
4747
4748         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
4749         order to use commutative addition instead of subtraction.
4750
4751 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4752             Mircea Namolaru  <namolaru@il.ibm.com>
4753             Vladimir Yanovsky  <yanov@il.ibm.com>
4754             Revital Eres  <eres@il.ibm.com>
4755
4756         PR tree-optimization/34263
4757         * tree-outof-ssa.c (process_single_block_loop_latch,
4758         contains_tree_r): New functions.
4759         (analyze_edges_for_bb): Call process_single_block_loop_latch
4760         function to empty single-basic-block latch block if possible.
4761
4762 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
4763
4764         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
4765         for TARGET_RECIP.
4766         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
4767
4768 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
4769
4770         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
4771
4772 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
4773
4774         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
4775
4776 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
4777
4778         PR tree-optimization/34618
4779         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
4780         flag from T.
4781
4782 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
4783
4784         PR target/34673
4785         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
4786         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
4787         Update copyright year.
4788
4789         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
4790         Update copyright year.
4791         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
4792         using NR fixup.
4793
4794 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
4795
4796         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
4797         edge does not point to current bb before changing need_assert.
4798
4799 2008-01-04  Richard Guenther  <rguenther@suse.de>
4800
4801         PR middle-end/34029
4802         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
4803         for verifying purposes if they are is_gimple_min_invariant.
4804
4805 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
4806
4807         PR tree-optimization/34448
4808         PR tree-optimization/34465
4809         * gimplify.c (gimplify_init_constructor): Add new parameter
4810         notify_temp_creation.  Use it.
4811         (gimplify_modify_expr_rhs): Take volatiles into account when
4812         optimizing constructors.
4813         Do not optimize constructors if gimplify_init_constructor will dump to
4814         memory.
4815         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
4816         * gcc.c-torture/compile/pr34448.c: New.
4817
4818 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
4819
4820         PR gcov-profile/34609
4821         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
4822         return_slot if result is TREE_ADDRESSABLE.
4823
4824 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
4825
4826         * config/mips/mips.md (sqrt_condition): Tweak comment.
4827         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
4828
4829 2008-01-03  Tom Tromey  <tromey@redhat.com>
4830
4831         PR c/34457
4832         * c-common.c (c_type_hash): Handle VLAs.
4833
4834 2008-01-03  Jan Hubicka  <jh@suse.cz>
4835
4836         PR tree-optimization/31081
4837         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
4838         0 when inlining and not inlining to first basic block.
4839         (remap_decl): When var is initialized to 0, don't set default_def.
4840         (expand_call_inline): Set entry_bb.
4841         * tree-inline.h (copy_body_data): Add entry_bb.
4842
4843 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
4844
4845         PR c++/34619
4846         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
4847         before returning.
4848
4849         PR tree-optimization/29484
4850         * tree-inline.c (inline_forbidden_p_2): New function.
4851         (inline_forbidden_p): Disallow inlining if some static var
4852         has an address of a local LABEL_DECL in its initializer.
4853         * doc/extend.texi (Labels as Values): Document &&foo behaviour
4854         vs. inlining.
4855
4856 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
4857
4858         PR tree-optimization/34635
4859         * tree-data-ref.c (add_other_self_distances): Make sure that the
4860         evolution step is constant.
4861
4862 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
4863
4864         PR middle-end/34608
4865         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
4866
4867 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
4868
4869         * tree-sra.c (scalarize_init): Insert the generate_element_init
4870         statements after the generate_element_zero statements.
4871
4872 2008-01-02  Richard Guenther  <rguenther@suse.de>
4873
4874         PR middle-end/34093
4875         PR middle-end/31976
4876         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
4877         for very large number of operands instead of ICEing.
4878
4879 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
4880
4881         PR target/34013
4882         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
4883         while stack probing.
4884
4885 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
4886
4887         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
4888         in C++0x mode.
4889
4890 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
4891
4892         PR libmudflap/26442
4893         * tree-mudflap.c (mx_register_decls): Guard warning by
4894         !DECL_ARTIFICIAL check.
4895
4896 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
4897
4898         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
4899         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
4900         sse5_perm<mode>): Fix constraints.