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gcc/
[pf3gnuchains/gcc-fork.git] / gcc / config.gcc
index 1e3c358..ecb7fe6 100644 (file)
@@ -1,5 +1,5 @@
 # GCC target-specific configuration file.
-# Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
+# Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
 # Free Software Foundation, Inc.
 
 #This file is part of GCC.
@@ -25,6 +25,9 @@
 # configure script.  Putting it in a separate shell file lets us skip
 # running autoconf when modifying target-specific information.
 
+# When you change the cases in the OS or target switches, consider
+# updating ../libgcc/config.host also.
+
 # This file switches on the shell variable ${target}, and also uses the
 # following shell variables:
 #
@@ -268,11 +271,13 @@ xscale-*-*)
        ;;
 i[34567]86-*-*)
        cpu_type=i386
-       extra_headers="mmintrin.h mm3dnow.h xmmintrin.h emmintrin.h pmmintrin.h"
+       extra_headers="mmintrin.h mm3dnow.h xmmintrin.h emmintrin.h
+                      pmmintrin.h tmmintrin.h"
        ;;
 x86_64-*-*)
        cpu_type=i386
-       extra_headers="mmintrin.h mm3dnow.h xmmintrin.h emmintrin.h pmmintrin.h"
+       extra_headers="mmintrin.h mm3dnow.h xmmintrin.h emmintrin.h
+                      pmmintrin.h tmmintrin.h"
        need_64bit_hwint=yes
        ;;
 ia64-*-*)
@@ -301,7 +306,7 @@ powerpc*-*-*)
        extra_headers="ppc-asm.h altivec.h spe.h"
        need_64bit_hwint=yes
        case x$with_cpu in
-           xpowerpc64|xdefault64|x6[23]0|x970|xG5|xpower[3456]|xrs64a)
+           xpowerpc64|xdefault64|x6[23]0|x970|xG5|xpower[3456]|xpower6x|xrs64a)
                cpu_is_64bit=yes
                ;;
        esac
@@ -319,6 +324,10 @@ sparc64*-*-*)
 sparc*-*-*)
        cpu_type=sparc
        ;;
+spu*-*-*)
+       cpu_type=spu
+       need_64bit_hwint=yes
+       ;;
 s390*-*-*)
        cpu_type=s390
        need_64bit_hwint=yes
@@ -364,7 +373,13 @@ esac
 # Common parts for widely ported systems.
 case ${target} in
 *-*-darwin*)
-  tm_file="${tm_file} darwin.h ${cpu_type}/darwin.h"
+  tm_file="${tm_file} darwin.h"
+  case ${target} in
+  *-*-darwin9*)
+    tm_file="${tm_file} darwin9.h"
+    ;;
+  esac
+  tm_file="${tm_file} ${cpu_type}/darwin.h"
   tm_p_file="${tm_p_file} darwin-protos.h"
   tmake_file="t-darwin ${cpu_type}/t-darwin t-slibgcc-darwin"
   target_gtfiles="\$(srcdir)/config/darwin.c"
@@ -786,6 +801,10 @@ bfin*-uclinux*)
         tmake_file=bfin/t-bfin-elf
         use_collect2=no
         ;;
+bfin*-rtems*)
+       tm_file="${tm_file} dbxelf.h elfos.h bfin/elf.h bfin/rtems.h rtems.h"
+       tmake_file="bfin/t-bfin t-rtems bfin/t-rtems"
+        ;;
 bfin*-*)
        tm_file="${tm_file} dbxelf.h elfos.h bfin/elf.h"
         tmake_file=bfin/t-bfin
@@ -1013,6 +1032,12 @@ i[34567]86-*-darwin*)
        with_arch=${with_arch:-nocona}
        with_cpu=${with_cpu:-generic}
        ;;
+x86_64-*-darwin*)
+       with_arch=${with_arch:-nocona}
+       with_cpu=${with_cpu:-generic}
+       tmake_file="t-darwin ${cpu_type}/t-darwin64 t-slibgcc-darwin"
+       tm_file="${tm_file} ${cpu_type}/darwin64.h"
+       ;;
 i[34567]86-*-elf*)
        tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h i386/i386elf.h"
        tmake_file="i386/t-i386elf t-svr4"
@@ -1075,10 +1100,34 @@ i[34567]86-*-coff*)
 i[34567]86-*-linux* | i[34567]86-*-kfreebsd*-gnu | i[34567]86-*-knetbsd*-gnu)
                        # Intel 80386's running GNU/*
                        # with ELF format using glibc 2
-       tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h svr4.h linux.h i386/linux.h"
+       tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h svr4.h linux.h"
        case ${target} in
-       i[34567]86-*-knetbsd*-gnu) tm_file="${tm_file} knetbsd-gnu.h i386/knetbsd-gnu.h" ;;
-       i[34567]86-*-kfreebsd*-gnu) tm_file="${tm_file} kfreebsd-gnu.h i386/kfreebsd-gnu.h" ;;
+       i[34567]86-*-linux*)
+               if test x$enable_targets = xall; then
+                       tm_file="${tm_file} i386/x86-64.h i386/linux64.h"
+                       tm_defines="${tm_defines} TARGET_BI_ARCH=1"
+                       tmake_file="${tmake_file} i386/t-linux64"
+                       need_64bit_hwint=yes
+                       # FIXME: -m64 for i[34567]86-*-* should be allowed just
+                       # like -m32 for x86_64-*-*.
+                       case X"${with_cpu}" in
+                       Xgeneric|Xcore2|Xnocona|Xx86-64|Xk8|Xopteron|Xathlon64|Xathlon-fx)
+                               ;;
+                       X)
+                               with_cpu=generic
+                               ;;
+                       *)
+                               echo "Unsupported CPU used in --with-cpu=$with_cpu, supported values:" 1>&2
+                               echo "generic core2 nocona x86-64 k8 opteron athlon64 athlon-fx" 1>&2
+                               exit 1
+                               ;;
+                       esac
+               else
+                       tm_file="${tm_file} i386/linux.h"
+               fi
+               ;;
+       i[34567]86-*-knetbsd*-gnu) tm_file="${tm_file} i386/linux.h knetbsd-gnu.h i386/knetbsd-gnu.h" ;;
+       i[34567]86-*-kfreebsd*-gnu) tm_file="${tm_file} i386/linux.h kfreebsd-gnu.h i386/kfreebsd-gnu.h" ;;
        esac
        tmake_file="${tmake_file} i386/t-crtstuff i386/t-crtfm t-dfprules"
        ;;
@@ -1191,14 +1240,14 @@ i[34567]86-*-solaris2*)
                # FIXME: -m64 for i[34567]86-*-* should be allowed just
                # like -m32 for x86_64-*-*.
                case X"${with_cpu}" in
-               Xgeneric|Xnocona|Xx86-64|Xk8|Xopteron|Xathlon64|Xathlon-fx)
+               Xgeneric|Xcore2|Xnocona|Xx86-64|Xk8|Xopteron|Xathlon64|Xathlon-fx)
                        ;;
                X)
                        with_cpu=generic
                        ;;
                *)
                        echo "Unsupported CPU used in --with-cpu=$with_cpu, supported values:" 1>&2
-                       echo "generic nocona x86-64 k8 opteron athlon64 athlon-fx" 1>&2
+                       echo "generic core2 nocona x86-64 k8 opteron athlon64 athlon-fx" 1>&2
                        exit 1
                        ;;
                esac
@@ -1284,6 +1333,7 @@ i[34567]86-*-mingw32*)
        extra_options="${extra_options} i386/cygming.opt"
        extra_objs="winnt.o winnt-stubs.o"
        cxx_target_objs=winnt-cxx.o
+       default_use_cxa_atexit=yes
        case ${enable_threads} in
          "" | yes | win32)
          thread_file='win32'
@@ -1428,50 +1478,61 @@ m68hc12-*-*|m6812-*-*)
        use_fixproto=yes
         ;;
 m68k-*-aout*)
+       default_m68k_cpu=68020
        tmake_file=m68k/t-m68kbare
        tm_file="m68k/m68k.h m68k/m68k-none.h m68k/m68kemb.h m68k/m68k-aout.h libgloss.h"
        ;;
 m68k-*-coff*)
+       default_m68k_cpu=68020
        tmake_file=m68k/t-m68kbare
        tm_defines="${tm_defines} MOTOROLA USE_GAS"
        tm_file="m68k/m68k.h m68k/m68k-none.h m68k/m68kemb.h dbxcoff.h m68k/coff.h dbx.h"
        use_fixproto=yes
        ;;
 m68020-*-elf* | m68k-*-elf*)
+       default_m68k_cpu=68020
        tm_file="m68k/m68k.h m68k/m68k-none.h m68k/m68kelf.h dbxelf.h elfos.h m68k/m68kemb.h m68k/m68020-elf.h"
        tm_defines="${tm_defines} MOTOROLA USE_GAS"
        tmake_file=m68k/t-m68kelf
        extra_parts="crtbegin.o crtend.o"
        ;;
 m68010-*-netbsdelf* | m68k*-*-netbsdelf*)
+       default_m68k_cpu=68020
        tm_file="${tm_file} dbxelf.h elfos.h netbsd.h netbsd-elf.h m68k/netbsd-elf.h"
        tm_defines="${tm_defines} MOTOROLA USE_GAS"
-       case ${target} in
-       m68010*)
-               target_cpu_default="0"
-               ;;
-       *)
-               target_cpu_default="MASK_68020|MASK_68881|MASK_BITFIELD"
-               ;;
-       esac
        ;;
 m68k*-*-openbsd*)
+       default_m68k_cpu=68020
        # needed to unconfuse gdb
-       tm_defines="${tm_defines} OBSD_OLD_GAS TARGET_DEFAULT=(MASK_68020|MASK_68881|MASK_BITFIELD)"
+       tm_defines="${tm_defines} OBSD_OLD_GAS"
        tm_file="m68k/m68k.h openbsd.h m68k/openbsd.h"
        tmake_file="t-libc-ok t-openbsd m68k/t-openbsd"
        # we need collect2 until our bug is fixed...
        use_collect2=yes
        ;;
-m68k-*-uclinux*)               # Motorola m68k/ColdFire running uClinux with uClibc
-       tm_file="m68k/m68k.h m68k/m68k-none.h m68k/m68kelf.h dbxelf.h elfos.h m68k/uclinux.h"
+m68k-*-uclinuxoldabi*)         # Motorola m68k/ColdFire running uClinux
+                               # with uClibc, using the original
+                               # m68k-elf-based ABI
+       default_m68k_cpu=68020
+       tm_file="m68k/m68k.h m68k/m68k-none.h m68k/m68kelf.h dbxelf.h elfos.h m68k/uclinux-oldabi.h"
        tm_defines="${tm_defines} MOTOROLA USE_GAS"
        tmake_file=m68k/t-uclinux
        use_fixproto=no
        ;;
+m68k-*-uclinux*)               # Motorola m68k/ColdFire running uClinux
+                               # with uClibc, using the new GNU/Linux-style
+                               # ABI.
+       default_m68k_cpu=68020
+       tm_file="m68k/m68k.h dbxelf.h elfos.h svr4.h linux.h flat.h m68k/linux.h m68k/uclinux.h"
+       tm_defines="${tm_defines} MOTOROLA USE_GAS UCLIBC_DEFAULT=1"
+       extra_options="${extra_options} linux.opt"
+       tmake_file=m68k/t-uclinux
+       use_fixproto=no
+       ;;
 m68k-*-linux*)         # Motorola m68k's running GNU/Linux
                                # with ELF format using glibc 2
                                # aka the GNU/Linux C library 6.
+       default_m68k_cpu=68020
        tm_file="m68k/m68k.h dbxelf.h elfos.h svr4.h linux.h m68k/linux.h"
        extra_options="${extra_options} m68k/ieee.opt"
        tm_defines="${tm_defines} MOTOROLA USE_GAS"
@@ -1482,6 +1543,7 @@ m68k-*-linux*)            # Motorola m68k's running GNU/Linux
        fi
        ;;
 m68k-*-rtems*)
+       default_m68k_cpu=68020
        tmake_file="m68k/t-m68kbare m68k/t-crtstuff t-rtems m68k/t-rtems"
        tm_file="m68k/m68k.h m68k/m68k-none.h m68k/m68kelf.h dbxelf.h elfos.h m68k/m68kemb.h m68k/m68020-elf.h m68k/rtemself.h rtems.h"
        tm_defines="${tm_defines} MOTOROLA USE_GAS"
@@ -1709,6 +1771,12 @@ powerpc-*-darwin*)
        esac
        extra_headers=altivec.h
        ;;
+powerpc64-*-darwin*)
+       tm_file="${tm_file} ${cpu_type}/darwin8.h ${cpu_type}/darwin64.h"
+       extra_options="${extra_options} ${cpu_type}/darwin.opt"
+       # We're omitting t-darwin8 to avoid building any multilibs
+       extra_headers=altivec.h
+       ;;
 powerpc*-*-freebsd*)
        tm_file="${tm_file} dbxelf.h elfos.h ${fbsd_tm_file} rs6000/sysv4.h rs6000/freebsd.h"
        tmake_file="rs6000/t-fprules rs6000/t-fprules-fpbit rs6000/t-ppcos ${tmake_file} rs6000/t-ppccomm"
@@ -1731,17 +1799,17 @@ powerpc-*-chorusos*)
        use_fixproto=yes
        ;;
 powerpc-*-eabispe*)
-       tm_file="${tm_file} dbxelf.h elfos.h svr4.h freebsd-spec.h rs6000/sysv4.h rs6000/eabi.h rs6000/eabispe.h"
+       tm_file="${tm_file} dbxelf.h elfos.h svr4.h freebsd-spec.h rs6000/sysv4.h rs6000/eabi.h rs6000/e500.h rs6000/eabispe.h"
        extra_options="${extra_options} rs6000/sysv4.opt"
        tmake_file="rs6000/t-spe rs6000/t-ppccomm"
        ;;
 powerpc-*-eabisimaltivec*)
-       tm_file="${tm_file} dbxelf.h elfos.h svr4.h freebsd-spec.h rs6000/sysv4.h rs6000/eabi.h rs6000/eabisim.h rs6000/eabialtivec.h"
+       tm_file="${tm_file} dbxelf.h elfos.h svr4.h freebsd-spec.h rs6000/sysv4.h rs6000/eabi.h rs6000/e500.h rs6000/eabisim.h rs6000/eabialtivec.h"
        extra_options="${extra_options} rs6000/sysv4.opt"
        tmake_file="rs6000/t-fprules rs6000/t-fprules-fpbit rs6000/t-ppcendian rs6000/t-ppccomm"
        ;;
 powerpc-*-eabisim*)
-       tm_file="${tm_file} dbxelf.h elfos.h svr4.h freebsd-spec.h rs6000/sysv4.h rs6000/eabi.h rs6000/eabisim.h"
+       tm_file="${tm_file} dbxelf.h elfos.h svr4.h freebsd-spec.h rs6000/sysv4.h rs6000/eabi.h rs6000/e500.h rs6000/eabisim.h"
        extra_options="${extra_options} rs6000/sysv4.opt"
        tmake_file="rs6000/t-fprules rs6000/t-fprules-fpbit rs6000/t-ppcgas rs6000/t-ppccomm"
        ;;
@@ -1752,17 +1820,17 @@ powerpc-*-elf*)
        use_fixproto=yes
        ;;
 powerpc-*-eabialtivec*)
-       tm_file="${tm_file} dbxelf.h elfos.h svr4.h freebsd-spec.h rs6000/sysv4.h rs6000/eabi.h rs6000/eabialtivec.h"
+       tm_file="${tm_file} dbxelf.h elfos.h svr4.h freebsd-spec.h rs6000/sysv4.h rs6000/eabi.h rs6000/e500.h rs6000/eabialtivec.h"
        extra_options="${extra_options} rs6000/sysv4.opt"
        tmake_file="rs6000/t-fprules rs6000/t-fprules-fpbit rs6000/t-ppcendian rs6000/t-ppccomm"
        ;;
 powerpc-*-eabi*)
-       tm_file="${tm_file} dbxelf.h elfos.h svr4.h freebsd-spec.h rs6000/sysv4.h rs6000/eabi.h"
+       tm_file="${tm_file} dbxelf.h elfos.h svr4.h freebsd-spec.h rs6000/sysv4.h rs6000/eabi.h rs6000/e500.h"
        extra_options="${extra_options} rs6000/sysv4.opt"
        tmake_file="rs6000/t-fprules rs6000/t-fprules-fpbit rs6000/t-ppcgas rs6000/t-ppccomm"
        ;;
 powerpc-*-rtems*)
-       tm_file="${tm_file} dbxelf.h elfos.h svr4.h freebsd-spec.h rs6000/sysv4.h rs6000/eabi.h rs6000/rtems.h rtems.h"
+       tm_file="${tm_file} dbxelf.h elfos.h svr4.h freebsd-spec.h rs6000/sysv4.h rs6000/eabi.h rs6000/e500.h rs6000/rtems.h rtems.h"
        extra_options="${extra_options} rs6000/sysv4.opt"
        tmake_file="rs6000/t-fprules rs6000/t-fprules-fpbit rs6000/t-rtems t-rtems rs6000/t-ppccomm"
        ;;
@@ -1772,7 +1840,7 @@ powerpc-*-linux*altivec*)
        tmake_file="rs6000/t-fprules rs6000/t-fprules-softfp soft-fp/t-softfp rs6000/t-ppcos ${tmake_file} rs6000/t-ppccomm"
        ;;
 powerpc-*-linux*spe*)
-       tm_file="${tm_file} dbxelf.h elfos.h svr4.h freebsd-spec.h rs6000/sysv4.h rs6000/linux.h rs6000/linuxspe.h"
+       tm_file="${tm_file} dbxelf.h elfos.h svr4.h freebsd-spec.h rs6000/sysv4.h rs6000/linux.h rs6000/linuxspe.h rs6000/e500.h"
        extra_options="${extra_options} rs6000/sysv4.opt"
        tmake_file="rs6000/t-fprules rs6000/t-fprules-softfp soft-fp/t-softfp rs6000/t-ppcos ${tmake_file} rs6000/t-ppccomm"
        ;;
@@ -1822,11 +1890,11 @@ powerpc-wrs-vxworks|powerpc-wrs-vxworksae)
        extra_headers=ppc-asm.h
        case ${target} in
          *-vxworksae*)
-           tm_file="${tm_file} vx-common.h vxworksae.h rs6000/vxworks.h rs6000/vxworksae.h"
+           tm_file="${tm_file} vx-common.h vxworksae.h rs6000/vxworks.h rs6000/e500.h rs6000/vxworksae.h"
            tmake_file="${tmake_file} rs6000/t-vxworksae"
            ;;
          *-vxworks*)
-           tm_file="${tm_file} vx-common.h vxworks.h rs6000/vxworks.h"
+           tm_file="${tm_file} vx-common.h vxworks.h rs6000/vxworks.h rs6000/e500.h"
            ;;
        esac
        ;;
@@ -1861,12 +1929,12 @@ powerpcle-*-elf*)
        use_fixproto=yes
        ;;
 powerpcle-*-eabisim*)
-       tm_file="${tm_file} dbxelf.h elfos.h svr4.h freebsd-spec.h rs6000/sysv4.h rs6000/sysv4le.h rs6000/eabi.h rs6000/eabisim.h"
+       tm_file="${tm_file} dbxelf.h elfos.h svr4.h freebsd-spec.h rs6000/sysv4.h rs6000/sysv4le.h rs6000/eabi.h rs6000/e500.h rs6000/eabisim.h"
        tmake_file="rs6000/t-fprules rs6000/t-fprules-fpbit rs6000/t-ppcgas rs6000/t-ppccomm"
        extra_options="${extra_options} rs6000/sysv4.opt"
        ;;
 powerpcle-*-eabi*)
-       tm_file="${tm_file} dbxelf.h elfos.h svr4.h freebsd-spec.h rs6000/sysv4.h rs6000/sysv4le.h rs6000/eabi.h"
+       tm_file="${tm_file} dbxelf.h elfos.h svr4.h freebsd-spec.h rs6000/sysv4.h rs6000/sysv4le.h rs6000/eabi.h rs6000/e500.h"
        tmake_file="rs6000/t-fprules rs6000/t-fprules-fpbit rs6000/t-ppcgas rs6000/t-ppccomm"
        extra_options="${extra_options} rs6000/sysv4.opt"
        ;;
@@ -1981,7 +2049,8 @@ sh-*-symbianelf* | sh[12346l]*-*-symbianelf* | \
                                with_libgloss=yes
                                tm_file="${tm_file} sh/newlib.h"
                        fi
-                       tm_file="${tm_file} sh/embed-elf.h"
+                       tm_file="${tm_file} sh/embed-elf.h sh/superh.h"
+                       tmake_file="${tmake_file} sh/t-superh"
                        extra_options="${extra_options} sh/superh.opt" ;;
        *)              if test x$with_newlib = xyes \
                           && test x$with_libgloss = xyes; then
@@ -2280,6 +2349,14 @@ sparc64-*-netbsd*)
        extra_options="${extra_options} sparc/long-double-switch.opt"
        tmake_file="${tmake_file} sparc/t-netbsd64"
        ;;
+spu-*-elf*)
+       tm_file="dbxelf.h elfos.h spu/spu-elf.h spu/spu.h"
+       tmake_file="spu/t-spu-elf"
+       extra_headers="spu_intrinsics.h spu_internals.h vmx2spu.h spu_mfcio.h vec_types.h"
+       extra_modes=spu/spu-modes.def
+       c_target_objs="${c_target_objs} spu-c.o"
+       cxx_target_objs="${cxx_target_objs} spu-c.o"
+       ;;
 strongarm-*-elf*)
        tm_file="arm/strongarm-elf.h dbxelf.h elfos.h arm/unknown-elf.h arm/elf.h arm/aout.h arm/arm.h"
        tmake_file="arm/t-arm arm/t-strongarm-elf"
@@ -2515,6 +2592,9 @@ if test x$with_cpu = x ; then
         nocona-*)
           with_cpu=nocona
           ;;
+       core2-*)
+         with_cpu=core2
+         ;;
         pentium_m-*)
           with_cpu=pentium-m
           ;;
@@ -2534,6 +2614,9 @@ if test x$with_cpu = x ; then
         nocona-*)
           with_cpu=nocona
           ;;
+       core2-*)
+         with_cpu=core2
+         ;;
         *)
           with_cpu=generic
           ;;
@@ -2560,6 +2643,12 @@ if test x$with_cpu = x ; then
     frv550-*-*linux*)
       with_cpu=fr550
       ;;
+    m680[012]0-*-*)
+      with_cpu=`echo ${target} | sed 's/-.*$//'`
+      ;;
+    m68k*-*-*)
+      with_cpu=m${default_m68k_cpu}
+      ;;
     sparc*-*-*)
       with_cpu="`echo ${target} | sed 's/-.*$//'`"
       ;;
@@ -2708,16 +2797,33 @@ case "${target}" in
                esac
                ;;
 
-       m68k*-linux*)
+       m680[012]0-*-* | m68k*-*-*)
                supported_defaults="cpu"
+
+               # We always have a $with_cpu setting here.
                case "$with_cpu" in
-               "" | "m68020" | "m68030" | "m68040" | "m68060" | "m68020-40" | "m68020-60")
-                       # OK
+               "m68000" | "m68010" | "m68020" | "m68030" | "m68040" | "m68060")
+                       m68k_cpu_ident=$with_cpu
+                       ;;
+               "m68020-40")
+                       m68k_cpu_ident=m68020
+                       tm_defines="$tm_defines M68K_DEFAULT_TUNE=u68020_40"
+                       ;;
+               "m68020-60")
+                       m68k_cpu_ident=m68020
+                       tm_defines="$tm_defines M68K_DEFAULT_TUNE=u68020_60"
                        ;;
                *)
-                       echo "Unknown CPU used in --with-cpu=$with_cpu, known values:"  1>&2
-                       echo "m68020 m68030 m68040 m68060 m68020-40 m68020-60" 1>&2
-                       exit 1
+                       # We need the C identifier rather than the string.
+                       m68k_cpu_ident=`awk -v arg="\"$with_cpu\"" \
+                          'BEGIN { FS="[ \t]*[,()][ \t]*" }; \
+                           $1 == "M68K_DEVICE" && $2 == arg { print $3 }' \
+                                ${srcdir}/config/m68k/m68k-devices.def`
+                       if [ x"$m68k_cpu_ident" = x ] ; then
+                               echo "Unknown CPU used in --with-cpu=$with_cpu" 1>&2
+                               exit 1
+                       fi
+                       with_cpu="mcpu=$with_cpu"
                        ;;
                esac
                ;;
@@ -2765,7 +2871,7 @@ case "${target}" in
                                esac
                                # OK
                                ;;
-                       "" | k8 | opteron | athlon64 | athlon-fx | nocona | generic)
+                       "" | k8 | opteron | athlon64 | athlon-fx | nocona | core2 | generic)
                                # OK
                                ;;
                        *)
@@ -2843,7 +2949,7 @@ case "${target}" in
                                eval "with_$which=405"
                                ;;
                        "" | common \
-                       | power | power[23456] | powerpc | powerpc64 \
+                       | power | power[23456] | power6x | powerpc | powerpc64 \
                        | rios | rios1 | rios2 | rsc | rsc1 | rs64a \
                        | 401 | 403 | 405 | 405fp | 440 | 440fp | 505 \
                        | 601 | 602 | 603 | 603e | ec603e | 604 \
@@ -2968,37 +3074,6 @@ case ${target} in
                fi
                ;;
 
-       m68k*-linux*)
-               case "x$with_cpu" in
-               x)
-                       # The most generic
-                       target_cpu_default2="(MASK_68020|MASK_68881|MASK_BITFIELD)"
-                       ;;
-               xm68020)
-                       target_cpu_default2="(MASK_68020|MASK_68881|MASK_BITFIELD)"
-                       ;;
-               xm68030)
-                       target_cpu_default2="(MASK_68030|MASK_68020|MASK_68881|MASK_BITFIELD)"
-                       ;;
-               xm68040)
-                       target_cpu_default2="(MASK_68040|MASK_68040_ONLY|MASK_68020|MASK_68881|MASK_BITFIELD)"
-                       ;;
-               xm68060)
-                       target_cpu_default2="(MASK_68060|MASK_68040_ONLY|MASK_68020|MASK_68881|MASK_BITFIELD)"
-                       ;;
-               xm68020-40)
-                       target_cpu_default2="(MASK_BITFIELD|MASK_68881|MASK_68020|MASK_68040)"
-                       ;;
-               xm68020-60)
-                       target_cpu_default2="(MASK_BITFIELD|MASK_68881|MASK_68020|MASK_68040|MASK_68060)"
-                       ;;
-               *)
-                       echo "Unknown CPU used in --with-cpu=$with_cpu"  1>&2
-                       exit 1
-                       ;;
-               esac
-               ;;
-
        hppa*-*-* | parisc*-*-*)
                target_cpu_default2="MASK_BIG_SWITCH"
                if test x$gas = xyes
@@ -3007,6 +3082,10 @@ case ${target} in
                fi
                ;;
 
+       m680[012]0-*-* | m68k*-*-*)
+               target_cpu_default2=$m68k_cpu_ident
+               ;;
+
        mips*-*-*)
                if test x$gnu_ld = xyes
                then