OSDN Git Service

2003-01-29 Joel Sherrill <joel@OARcorp.com>
[pf3gnuchains/gcc-fork.git] / gcc / config.gcc
index 766f599..a5a1fce 100644 (file)
@@ -1,5 +1,6 @@
 # GCC build-, host- and target-specific configuration file.
-# Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
+# Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003
+# Free Software Foundation, Inc.
 
 #This file is part of GCC.
 
@@ -45,6 +46,8 @@
 #
 #  cpu_type            The name of the cpu, if different from machine.
 #
+#  tm_defines          List of target macros to define for all compilations.
+#
 #  tm_file             A list of target macro files, if different from
 #                      "$cpu_type/$cpu_type.h". Usually it's constructed
 #                      per target in a way like this:
 #                      makefile-fragments, if different from
 #                      "$cpu_type/t-$cpu_type".
 #
-#  float_format                Set to the symbolic name for the floating-point
-#                      formats used for this machine, if different from
-#                      "i64".  Used to derive a header file name to
-#                      include, like "vax" for "float-vax.h".  If no such
-#                      file is wanted, set to "none".
+#  extra_modes          The name of the file containing a list of extra
+#                       machine modes, if necessary and different from
+#                       "$cpu_type/$cpu_type-modes.def".
 #
 #  extra_objs          List of extra objects that should be linked into
 #                      the compiler proper (cc1, cc1obj, cc1plus)
 #  cxx_target_objs     List of extra target-dependent objects that be
 #                      linked into the C++ compiler only.
 #
+#  target_gtfiles       List of extra source files with type information.
+#
 #  build_xm_defines    List of macros to define when compiling for the
 #                      build machine.
 #
 #
 #  gas                 Set to yes or no depending on whether the target
 #                      system normally uses GNU as.
+#
+#  need_64bit_hwint    Set to yes if HOST_WIDE_INT must be 64 bits wide
+#                      for this target.  This is true iff
+#                      MAX_LONG_TYPE_SIZE is 64.  (The code which
+#                      determines the underlying integral type for
+#                      HOST_WIDE_INT cannot see the definition of
+#                      MAX_LONG_TYPE_SIZE.)
 
 # The following variables are used in each case-construct to build up the
 # outgoing variables:
@@ -184,8 +194,8 @@ extra_host_objs=
 extra_gcc_objs=
 c_target_objs=
 cxx_target_objs=
+tm_defines=
 xm_defines=
-float_format=
 # Set this to force installation and use of collect2.
 use_collect2=
 # Set this to override the default target model.
@@ -206,71 +216,19 @@ thread_file=
 gas="$gas_flag"
 gnu_ld="$gnu_ld_flag"
 enable_threads=$enable_threads_flag
+target_gtfiles=
+need_64bit_hwint=
 
 # Obsolete configurations.
-# To avoid some tedious lists, we have a blacklist with a whitelist
-# embedded within it.
 case $machine in
-         1750a-* \
-       | a29k-* \
-       | alpha*-*-osf[123]* \
-       | arm-*-riscix* \
-       | c*-convex-* \
-       | clipper-* \
-       | elxsi-* \
-       | i860-* \
-       | i?86-*-aix* \
-       | i?86-*-bsd* \
-       | i?86-*-chorusos* \
-       | i?86-*-dgux* \
-       | i?86-*-freebsd1.* \
-       | i?86-*-isc* \
-       | i?86-*-linux*oldld* \
-       | i?86-*-osf1* \
-       | i?86-*-osfrose* \
-       | i?86-*-rtemscoff* \
-       | i?86-*-sunos* \
-       | i?86-go32-rtems* \
-       | i?86-next-* \
-       | i?86-sequent-bsd* \
-       | i?86-sequent-ptx[12]* \
-       | i?86-sequent-sysv3* \
-       | m68[k0]*-*-lynxos* \
-       | m68[k0]*-*-rtemscoff* \
-       | m68[k0]*-*-sysv3* \
-       | m68[k0]*-altos-* \
-       | m68[k0]*-apollo-* \
-       | m68[k0]*-apple-* \
-       | m68[k0]*-bull-* \
-       | m68[k0]*-convergent-* \
-       | m68[k0]*-isi-* \
-       | m68[k0]*-next-* \
-       | m68[k0]*-sony-* \
-       | m88k-* \
-       | mips-*-bsd* \
-       | mips-*-riscos* \
-       | mips-*-sysv* \
-       | mips-*-ultrix* \
-       | mips-dec-* \
-       | mips-sgi-irix[1234]* \
-       | mips-sony-* \
-       | mips-tandem-* \
-       | ns32k-* \
-       | pj-* \
-       | pjl-* \
-       | romp-* \
-       | sparc-*-rtemsaout* \
-       | we32k-* \
-)
-  case $machine in
-         mips-sni-sysv4 \
-       | m88k-*-aout* | m88k-*-openbsd* | m88k-*-sysv4* \
-       | ns32k-*-netbsd* | ns32k-*-openbsd* \
-       | romp-*-openbsd* \
-   )
-    # Whitelisted.
-    ;;
-  *)
+   m88k-*-aout*     \
+ | m88k-*-openbsd*  \
+ | m88k-*-sysv4*    \
+ | mips-sni-sysv4   \
+ | mn10200-*-*      \
+ | ns32k-*-openbsd* \
+ | romp-*-openbsd*  \
+ )
     if test "x$enable_obsolete" != xyes; then
       echo "*** Configuration $machine is obsolete." >&2
       echo "*** Specify --enable-obsolete to build it anyway." >&2
@@ -278,7 +236,6 @@ case $machine in
       echo "*** unless a maintainer comes forward." >&2
       exit 1
     fi;;
-  esac
 esac
 
 # Set default cpu_type, tm_file, tm_p_file and xm_file so it can be
@@ -289,6 +246,7 @@ cpu_type=`echo $machine | sed 's/-.*$//'`
 case $machine in
 alpha*-*-*)
        cpu_type=alpha
+       need_64bit_hwint=yes
        ;;
 strongarm*-*-*)
        cpu_type=arm
@@ -299,10 +257,6 @@ arm*-*-*)
 xscale-*-*)
        cpu_type=arm
        ;;
-c*-convex-*)
-       cpu_type=convex
-       extra_headers=proto.h
-       ;;
 i[34567]86-*-*)
        cpu_type=i386
        extra_headers="mmintrin.h xmmintrin.h"
@@ -310,9 +264,11 @@ i[34567]86-*-*)
 x86_64-*-*)
        cpu_type=i386
        extra_headers="mmintrin.h xmmintrin.h"
+       need_64bit_hwint=yes
        ;;
 ia64-*-*)
        extra_headers=ia64intrin.h
+       need_64bit_hwint=yes
        ;;
 hppa*-*-* | parisc*-*-*)
        cpu_type=pa
@@ -326,20 +282,34 @@ m68k-*-*)
        ;;
 mips*-*-*)
        cpu_type=mips
-       ;;
-pj*-*-*)
-       cpu_type=pj
+       need_64bit_hwint=yes
        ;;
 powerpc*-*-*)
        cpu_type=rs6000
-       extra_headers="ppc-asm.h altivec.h"
+       extra_headers="ppc-asm.h altivec.h spe.h"
+       need_64bit_hwint=yes
+       ;;
+rs6000*-*-*)
+       need_64bit_hwint=yes
+       ;;
+sparc64*-*-*)
+       cpu_type=sparc
+       need_64bit_hwint=yes
        ;;
 sparc*-*-*)
        cpu_type=sparc
        ;;
-sh64-*-*)
+s390*-*-*)
+       need_64bit_hwint=yes
+       ;;
+# Note the 'l'; we need to be able to match e.g. "shle" or "shl".
+sh[123456789l]*-*-*)
        cpu_type=sh
+       need_64bit_hwint=yes
        ;;
+tic4x-*-*)
+        cpu_type=c4x
+        ;;
 esac
 
 tm_file=${cpu_type}/${cpu_type}.h
@@ -347,6 +317,11 @@ if test -f ${srcdir}/config/${cpu_type}/${cpu_type}-protos.h
 then
        tm_p_file=${cpu_type}/${cpu_type}-protos.h
 fi
+extra_modes=
+if test -f ${srcdir}/config/${cpu_type}/${cpu_type}-modes.def
+then
+       extra_modes=${cpu_type}/${cpu_type}-modes.def
+fi
 
 case $machine in
 x86_64-*-*)
@@ -361,10 +336,22 @@ case $machine in
        ;;
 esac
 
-# Common parts for GNU/Linux, GNU/Hurd, OpenBSD, NetBSD, and FreeBSD systems.
+# Common parts for widely ported systems.
 case $machine in
 *-*-linux*)
        xm_defines=POSIX
+       case $machine in
+       *-*-linux*ecoff* | *-*-linux*libc1* | *-*-linux*oldld* | *-*-linux*aout*)
+               ;;
+       *)
+               extra_parts="crtbegin.o crtbeginS.o crtbeginT.o crtend.o crtendS.o"
+               gas=yes gnu_ld=yes
+               case x${enable_threads} in
+                       x | xyes | xposix) thread_file='posix'
+                       ;;
+               esac
+               ;;
+       esac
        ;;
 *-*-gnu*)
        # On the Hurd, the setup is just about the same on
@@ -404,6 +391,21 @@ case $machine in
        xm_defines=POSIX
        gas=yes
        gnu_ld=yes
+       case x${enable_threads} in
+       xyes | xposix)
+               thread_file='posix'
+               tm_defines="${tm_defines} NETBSD_ENABLE_PTHREADS"
+               ;;
+       esac
+
+       # NetBSD 1.7 and later are set up to use GCC's crtstuff for
+       # ELF configurations.  We will clear extra_parts in the
+       # a.out configurations.
+       case $machine in
+       *-*-netbsd*1.[7-9]* | *-*-netbsd[2-9]* | *-*-netbsdelf[2-9]*)
+               extra_parts="crtbegin.o crtend.o crtbeginS.o crtendS.o crtbeginT.o"
+               ;;
+       esac
        ;;
 *-*-freebsd[12] | *-*-freebsd[12].* | *-*-freebsd*aout*)
        # This is the place-holder for the generic a.out configuration
@@ -459,6 +461,25 @@ case $machine in
        esac
        fbsd_tm_file="${fbsd_tm_file} freebsd-spec.h freebsd.h"
        ;;
+*-*-darwin*)
+       tm_file="${tm_file} darwin.h"
+       tm_p_file="${tm_p_file} darwin-protos.h"
+       tmake_file="t-darwin"
+       target_gtfiles="\$(srcdir)/config/darwin.c"
+       c_target_objs="darwin-c.o"
+       cxx_target_objs="darwin-c.o"
+       extra_parts="crt2.o"
+       # Darwin linker does collect2 functionality
+       use_collect2=no
+       extra_objs="darwin.o"
+       ;;      
+*-*-vxworks*)
+       tmake_file=t-vxworks
+       tm_file="${tm_file} elfos.h svr4.h vxworks.h"
+       thread_file='vxworks'
+       use_collect2=yes
+       xm_defines=POSIX
+       ;;
 esac
 
 case $machine in
@@ -476,39 +497,6 @@ case $machine in
        then tmake_file=${cpu_type}/t-$rest
        fi
        ;;
-1750a-*-*)
-       # 1750a is only supported as a target.
-       case "$build,$host" in 1750a*,* | *,1750a* )
-               echo "*** $machine is only supported as a target" >&2
-               exit 1
-       esac
-       ;;
-a29k-*-bsd* | a29k-*-sym1*)
-       tm_file="${tm_file} a29k/unix.h"
-       xm_defines=POSIX
-       use_collect2=yes
-       ;;
-a29k-*-udi | a29k-*-coff)
-       tm_file="${tm_file} dbxcoff.h"
-       tmake_file=a29k/t-a29kbare
-       ;;
-a29k*-*-rtems*)
-       xm_defines=POSIX
-       tm_file="a29k/a29k.h a29k/rtems.h rtems.h"
-       tmake_file="a29k/t-a29kbare t-rtems"
-       if test x$enable_threads = xyes; then
-         thread_file='rtems'
-       fi
-       ;;
-a29k-wrs-vxworks*)
-       tm_file="${tm_file} dbxcoff.h a29k/vx29k.h"
-       tmake_file=a29k/t-vx29k
-       extra_parts="crtbegin.o crtend.o"
-       thread_file='vxworks'
-       ;;
-a29k-*-*)                      # Default a29k environment.
-       use_collect2=yes
-       ;;
 alpha*-*-unicosmk*)
        use_collect2=yes
        tm_file="${tm_file} alpha/unicosmk.h"
@@ -527,7 +515,6 @@ alpha-*-interix)
        target_cpu_default="MASK_GAS|MASK_IEEE_CONFORMANT"
 
        xm_defines=POSIX
-       xm_file="alpha/xm-alpha-interix.h"
        tmake_file="alpha/t-alpha t-interix alpha/t-interix alpha/t-ieee"
        if test x$enable_threads = xyes ; then
                thread_file='posix'
@@ -556,11 +543,6 @@ alpha*-*-linux*)
        tm_file="${tm_file} alpha/elf.h alpha/linux.h alpha/linux-elf.h"
        target_cpu_default="MASK_GAS"
        tmake_file="t-slibgcc-elf-ver t-linux alpha/t-crtfm alpha/t-alpha alpha/t-ieee"
-       extra_parts="crtbegin.o crtend.o crtbeginS.o crtendS.o crtbeginT.o"
-       gas=yes gnu_ld=yes
-       if test x$enable_threads = xyes; then
-               thread_file='posix'
-       fi
        ;;
 alpha*-*-gnu*)
        target_cpu_default="MASK_GAS"
@@ -585,7 +567,7 @@ alpha*-*-openbsd*)
        tmake_file="alpha/t-alpha alpha/t-ieee"
        ;;
 
-alpha*-dec-osf*)
+alpha*-dec-osf[45]*)
        xm_defines=POSIX
        if test x$stabs = xyes
        then
@@ -596,49 +578,30 @@ alpha*-dec-osf*)
                extra_passes="mips-tfile mips-tdump"
        fi
        use_collect2=yes
-       tmake_file="alpha/t-alpha alpha/t-ieee alpha/t-crtfm"
+       tmake_file="alpha/t-alpha alpha/t-ieee alpha/t-crtfm alpha/t-osf4"
+       tm_file="${tm_file} alpha/osf.h"
        extra_headers=va_list.h
        case $machine in
-         *-*-osf1*)
-           tm_file="${tm_file} alpha/osf.h alpha/osf12.h alpha/osf2or3.h"
-           ;;
-         *-*-osf[23]*)
-           tm_file="${tm_file} alpha/osf.h alpha/osf2or3.h"
-           ;;
          *-*-osf4*)
-           tm_file="${tm_file} alpha/osf.h"
-           tmake_file="$tmake_file alpha/t-osf4"
            # Some versions of OSF4 (specifically X4.0-9 296.7) have
            # a broken tar, so we use cpio instead.
            install_headers_dir=install-headers-cpio
+           # Set target_cpu_default except on 4.0a.
+           case $machine in
+               *-*-osf4.0a) ;;
+               *) target_cpu_default=MASK_SUPPORT_ARCH
+           esac
            ;;
          *-*-osf5*)
-           tm_file="${tm_file} alpha/osf.h alpha/osf5.h"
-           tmake_file="$tmake_file alpha/t-osf4"
-           float_format=i128
-           ;;
-       esac
-       case $machine in
-         *-*-osf4.0[b-z] | *-*-osf4.[1-9]* | *-*-osf5*)
+           tm_file="${tm_file} alpha/osf5.h"
            target_cpu_default=MASK_SUPPORT_ARCH
            ;;
        esac
        ;;
-alpha*-*-vxworks*)
-       xm_defines=POSIX
-       tm_file="${tm_file} dbx.h alpha/vxworks.h"
-       tmake_file="alpha/t-alpha alpha/t-ieee"
-       if [ x$gas != xyes ]
-       then
-               extra_passes="mips-tfile mips-tdump"
-       fi
-       use_collect2=yes
-       thread_file='vxworks'
-       ;;
 alpha64-dec-*vms*)
        xm_defines=POSIX
        tm_file="${tm_file} alpha/vms.h alpha/vms64.h"
-       xm_file="alpha/xm-vms.h alpha/xm-vms64.h"
+       xm_file="alpha/xm-vms.h"
        tmake_file="alpha/t-alpha alpha/t-vms alpha/t-vms64 alpha/t-ieee"
        xmake_file=alpha/x-vms
        exeext=.exe
@@ -679,25 +642,6 @@ arm-*-coff* | armel-*-coff*)
        tm_file="arm/semi.h arm/aout.h arm/arm.h arm/coff.h"
        tmake_file=arm/t-arm-coff
        ;;
-arm-*-vxworks*)
-       tm_file="arm/semi.h arm/aout.h arm/coff.h arm/vxarm.h arm/arm.h"
-       tmake_file=arm/t-arm-coff
-       thread_file='vxworks'
-       ;;
-arm-*-riscix1.[01]*)           # Acorn RISC machine (early versions)
-       tm_file="arm/riscix1-1.h arm/arm.h"
-       use_collect2=yes
-       ;;
-arm-*-riscix*)                 # Acorn RISC machine
-       if test x$gas = xyes
-       then
-           tm_file="arm/riscix.h arm/rix-gas.h arm/arm.h"
-       else
-           tm_file="arm/riscix.h arm/arm.h"
-       fi
-       tmake_file=arm/t-riscix
-       use_collect2=yes
-       ;;
 arm-semi-aout | armel-semi-aout)
        tm_file="arm/semi.h arm/aout.h arm/arm.h"
        tmake_file=arm/t-semi
@@ -711,11 +655,13 @@ arm*-*-freebsd*|strongarm*-*-freebsd*)
        tmake_file="${tmake_file} arm/t-strongarm-elf"
        ;;
 arm*-*-netbsdelf*)
-       echo "GCC does not yet support the ${machine} target"; exit 1
+       tm_file="dbxelf.h elfos.h netbsd.h netbsd-elf.h arm/elf.h arm/aout.h arm/arm.h arm/netbsd-elf.h"
+       tmake_file="${tmake_file} arm/t-netbsd"
        ;;
 arm*-*-netbsd*)
        tm_file="arm/aout.h arm/arm.h netbsd.h netbsd-aout.h arm/netbsd.h"
        tmake_file="t-netbsd arm/t-netbsd"
+       extra_parts=""
        use_collect2=yes
        ;;
 arm*-*-linux*)                 # ARM GNU/Linux with ELF
@@ -768,27 +714,7 @@ arm-*-pe*)
        ;;
 avr-*-*)
        ;;
-c1-convex-*)                   # Convex C1
-       target_cpu_default=1
-       use_collect2=yes
-       ;;
-c2-convex-*)                   # Convex C2
-       target_cpu_default=2
-       use_collect2=yes
-       ;;
-c32-convex-*)
-       target_cpu_default=4
-       use_collect2=yes
-       ;;
-c34-convex-*)
-       target_cpu_default=8
-       use_collect2=yes
-       ;;
-c38-convex-*)
-       target_cpu_default=16
-       use_collect2=yes
-       ;;
-c4x-*-rtems*)
+c4x-*-rtems* | tic4x-*-rtems*)
        xm_defines=POSIX
        tmake_file="c4x/t-c4x t-rtems"
        tm_file="c4x/c4x.h c4x/rtems.h rtems.h"
@@ -798,18 +724,11 @@ c4x-*-rtems*)
        c_target_objs="c4x-c.o"
        cxx_target_objs="c4x-c.o"
        ;;
-c4x-*)
-       float_format=c4x
+c4x-* | tic4x-*)
        tmake_file=c4x/t-c4x
        c_target_objs="c4x-c.o"
        cxx_target_objs="c4x-c.o"
        ;;
-clipper-intergraph-clix*)
-       tm_file="${tm_file} svr3.h clipper/clix.h"
-       xm_defines=POSIX
-       extra_parts="crtbegin.o crtend.o"
-       install_headers_dir=install-headers-cpio
-       ;;
 cris-*-aout)
        tm_file="dbxelf.h ${tm_file} cris/aout.h"
        gas=yes
@@ -823,28 +742,21 @@ cris-*-elf | cris-*-none)
 cris-*-linux*)
        tm_file="dbxelf.h elfos.h svr4.h ${tm_file} linux.h cris/linux.h"
        tmake_file="cris/t-cris t-slibgcc-elf-ver cris/t-linux"
-       extra_parts="crtbegin.o crtbeginS.o crtbeginT.o crtend.o crtendS.o"
-       case x${enable_threads} in
-       x | xyes | xpthreads | xposix)
-               thread_file=posix
-               ;;
-       esac
-       gas=yes
        ;;
 d30v-*)
        tm_file="dbxelf.h elfos.h svr4.h ${tm_file}"
-       float_format=i64
        ;;
 dsp16xx-*)
        ;;
-elxsi-elxsi-*)
-       use_collect2=yes
-       ;;
 fr30-*-elf)
        tm_file="dbxelf.h elfos.h svr4.h ${tm_file}"
        tmake_file=fr30/t-fr30
        extra_parts="crti.o crtn.o crtbegin.o crtend.o"
        ;;
+frv-*-elf)
+       tm_file="dbxelf.h elfos.h svr4.h ${tm_file} frv/frv-abi.h"
+       tmake_file=frv/t-frv
+       ;;
 h8300-*-rtems*)
        xm_defines=POSIX
        tmake_file="h8300/t-h8300 t-rtems"
@@ -852,33 +764,26 @@ h8300-*-rtems*)
        if test x$enable_threads = xyes; then
          thread_file='rtems'
        fi
-       float_format=i32
        ;;
 h8300-*-elf*)
        tmake_file="h8300/t-h8300 h8300/t-elf"
        tm_file="h8300/h8300.h h8300/elf.h"
-       float_format=i32
        ;;
 h8300-*-*)
-       float_format=i32
        ;;
 hppa*64*-*-linux* | parisc*64*-*-linux*)
        target_cpu_default="(MASK_PA_11 | MASK_PA_20)"
-       tm_file="pa/pa64-start.h ${tm_file} dbxelf.h elfos.h svr4.h linux.h pa/pa-linux.h \
-                pa/pa64-regs.h pa/pa-64.h pa/pa64-linux.h"
+       tm_file="pa/pa64-start.h ${tm_file} dbxelf.h elfos.h svr4.h linux.h \
+                pa/pa-linux.h pa/pa64-regs.h pa/pa-64.h pa/pa64-linux.h"
        tmake_file=pa/t-linux64
        gas=yes gnu_ld=yes
+       need_64bit_hwint=yes
        ;;
 hppa*-*-linux* | parisc*-*-linux*)
        target_cpu_default="MASK_PA_11"
        tm_file="${tm_file} dbxelf.h elfos.h svr4.h linux.h pa/pa-linux.h \
                 pa/pa32-regs.h pa/pa32-linux.h"
        tmake_file="t-slibgcc-elf-ver t-linux pa/t-linux"
-       extra_parts="crtbegin.o crtbeginS.o crtbeginT.o crtend.o crtendS.o"
-       gas=yes gnu_ld=yes
-       if test x$enable_threads = xyes; then
-               thread_file='posix'
-       fi
        ;;
 hppa*-*-openbsd*)
        target_cpu_default="MASK_PA_11"
@@ -901,8 +806,11 @@ hppa1.1-*-rtems*)
        xm_defines=POSIX
        target_cpu_default="(MASK_JUMP_IN_DELAY | MASK_PORTABLE_RUNTIME | MASK_GAS | MASK_NO_SPACE_REGS | MASK_SOFT_FLOAT)"
        tm_file="${tm_file} pa/pa32-regs.h dbxelf.h elfos.h pa/elf.h pa/pa-pro-end.h libgloss.h pa/rtems.h rtems.h"
-       tmake_file="pa/t-bsd pa/t-pro"
+       tmake_file="pa/t-bsd pa/t-pro t-rtems"
        xmake_file="pa/x-ada"
+       if test x$enable_threads = xyes; then
+         thread_file='rtems'
+       fi
        ;;
 hppa1.0-*-osf*)
        tm_file="${tm_file} pa/pa32-regs.h pa/som.h pa/pa-osf.h"
@@ -971,7 +879,6 @@ hppa1.0-*-hpux8*)
 hppa1.1-*-hpux10* | hppa2*-*-hpux10*)
        target_cpu_default="MASK_PA_11"
        tm_file="${tm_file} pa/pa32-regs.h pa/long_double.h pa/som.h pa/pa-hpux.h pa/pa-hpux10.h"
-       float_format=i128
        xm_defines=POSIX
        tmake_file="pa/t-pa pa/t-pa-hpux pa/t-hpux-shlib"
        xmake_file="pa/x-ada"
@@ -988,7 +895,6 @@ hppa1.1-*-hpux10* | hppa2*-*-hpux10*)
        ;;
 hppa1.0-*-hpux10*)
        tm_file="${tm_file} pa/pa32-regs.h pa/long_double.h pa/som.h pa/pa-hpux.h pa/pa-hpux10.h"
-       float_format=i128
        xm_defines=POSIX
        tmake_file="pa/t-pa pa/t-pa-hpux pa/t-hpux-shlib"
        xmake_file="pa/x-ada"
@@ -1005,12 +911,25 @@ hppa1.0-*-hpux10*)
        ;;
 hppa*64*-*-hpux11*)
        xm_defines=POSIX
-       tm_file="pa/pa64-start.h ${tm_file} pa/pa64-regs.h pa/long_double.h pa/elf.h pa/pa-hpux.h pa/pa-hpux11.h pa/pa-64.h pa/pa64-hpux.h"
-       float_format=i128
+       if test x$gas = xyes
+       then
+               tm_file="pa/pa64-start.h ${tm_file} dbxelf.h elfos.h  \
+                        pa/pa64-regs.h pa/long_double.h pa/pa-hpux.h \
+                        pa/pa-hpux11.h pa/pa-64.h pa/pa64-hpux.h"
+       else
+               tm_file="pa/pa64-start.h ${tm_file} dbxelf.h pa/elf.h \
+                        pa/pa64-regs.h pa/long_double.h pa/pa-hpux.h \
+                        pa/pa-hpux11.h pa/pa-64.h pa/pa64-hpux.h"
+       fi
+       need_64bit_hwint=yes
        tmake_file="pa/t-pa64 pa/t-pa-hpux"
        xmake_file="pa/x-ada"
        target_cpu_default="(MASK_PA_11|MASK_PA_20|MASK_GAS)"
-
+       extra_parts="crtbegin.o crtend.o crtbeginS.o crtendS.o crtbeginT.o"
+       if test x$gnu_ld = xyes
+       then
+               target_cpu_default="${target_cpu_default}|MASK_GNU_LD"
+       fi
 #      if [ x$enable_threads = x ]; then
 #          enable_threads=$have_pthread_h
 #      fi
@@ -1019,12 +938,10 @@ hppa*64*-*-hpux11*)
 #              tmake_file="${tmake_file} pa/t-dce-thr"
 #      fi
        install_headers_dir=install-headers-cpio
-       use_collect2=yes
        ;;
 hppa1.1-*-hpux11* | hppa2*-*-hpux11*)
        target_cpu_default="MASK_PA_11"
        tm_file="${tm_file} pa/pa32-regs.h pa/long_double.h pa/som.h pa/pa-hpux.h pa/pa-hpux11.h"
-       float_format=i128
        xm_defines=POSIX
        tmake_file="pa/t-pa pa/t-pa-hpux pa/t-hpux-shlib"
        xmake_file="pa/x-ada"
@@ -1040,7 +957,6 @@ hppa1.1-*-hpux11* | hppa2*-*-hpux11*)
        ;;
 hppa1.0-*-hpux11*)
        tm_file="${tm_file} pa/pa32-regs.h pa/long_double.h pa/som.h pa/pa-hpux.h pa/pa-hpux11.h"
-       float_format=i128
        xm_defines=POSIX
        tmake_file="pa/t-pa pa/t-pa-hpux pa/t-hpux-shlib"
        xmake_file="pa/x-ada"
@@ -1117,90 +1033,31 @@ i370-*-linux*)
        tm_file="dbxelf.h elfos.h svr4.h linux.h i370/linux.h ${tm_file}"
        tmake_file="t-slibgcc-elf-ver t-linux"
        # broken_install=yes
-       extra_parts="crtbegin.o crtbeginS.o crtbeginT.o crtend.o crtendS.o"
-       # extra_parts="crtbegin.o crtend.o"
-       gnu_ld=yes
-       gas=yes
        elf=yes
-       if test x$enable_threads = xyes; then
-               thread_file='posix'
-       fi
        ;;
-i[34567]86-*-chorusos*)
-       xm_defines=POSIX
-       tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h i386/i386elf.h chorus.h"
-       tmake_file="i386/t-i386elf t-svr4"
-       case x${enable_threads} in
-         xyes | xpthreads | xposix)
-               thread_file='posix'
-               ;;
-       esac
+i[34567]86-*-darwin*)
+       tm_file="${tm_file} i386/darwin.h"
        ;;
 i[34567]86-*-elf*)
        xm_defines=POSIX
        tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h i386/i386elf.h"
        tmake_file="i386/t-i386elf t-svr4"
        ;;
-i[34567]86-ibm-aix*)           # IBM PS/2 running AIX
-        if test x$gas = xyes
-       then
-               tm_file="${tm_file} svr3.h i386/unix.h i386/att.h i386/aix386.h"
-               extra_parts="crtbegin.o crtend.o"
-               tmake_file=i386/t-crtstuff
-       else
-               tm_file="${tm_file} svr3.h i386/unix.h i386/att.h i386/aix386ng.h"
-               use_collect2=yes
-       fi
-       xm_defines=POSIX
-       ;;
 i[34567]86-ncr-sysv4*)         # NCR 3000 - ix86 running system V.4
        xm_defines="POSIX SMALL_ARG_MAX"
        if test x$stabs = xyes -a x$gas = xyes
        then
                tm_file=i386/sysv4gdb.h
        else
-               tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h svr4.h i386/sysv4.h"
+               tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h svr4.h i386/sysv4.h i386/sysv4-cpp.h"
        fi
        extra_parts="crtbegin.o crtend.o"
        tmake_file=i386/t-crtpic
        ;;
-i[34567]86-next-*)
-       tm_p_file="${tm_p_file} nextstep-protos.h"
-       tm_file="${tm_file} i386/unix.h i386/bsd.h i386/gas.h nextstep.h i386/next.h"
-       tmake_file=i386/t-next
-       extra_objs=nextstep.o
-       extra_parts="crtbegin.o crtend.o"
-       if test x$enable_threads = xyes; then
-               thread_file='mach'
-       fi
-       ;;
 i[34567]86-*-netware)          # Intel 80386's running netware
        tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h svr4.h i386/sysv4.h netware.h i386/netware.h"
        tmake_file=i386/t-netware
        ;;
-i[34567]86-sequent-bsd*)               # 80386 from Sequent
-       use_collect2=yes
-       if test x$gas = xyes
-       then
-               tm_file="${tm_file} i386/unix.h i386/bsd.h i386/sequent.h i386/seq-gas.h"
-       else
-               tm_file="${tm_file} i386/unix.h i386/bsd.h i386/sequent.h"
-       fi
-       ;;
-i[34567]86-sequent-ptx1*)
-       xm_defines=POSIX
-       tm_file="${tm_file} svr3.h i386/unix.h i386/att.h i386/sysv3.h i386/seq-sysv3.h"
-       tmake_file=i386/t-crtstuff
-       extra_parts="crtbegin.o crtend.o"
-       install_headers_dir=install-headers-cpio
-       ;;
-i[34567]86-sequent-ptx2* | i[34567]86-sequent-sysv3*)
-       xm_defines=POSIX
-       tm_file="${tm_file} svr3.h i386/unix.h i386/att.h i386/sysv3.h i386/seq-sysv3.h i386/seq2-sysv3.h"
-       tmake_file=i386/t-crtstuff
-       extra_parts="crtbegin.o crtend.o"
-       install_headers_dir=install-headers-cpio
-       ;;
 i[34567]86-sequent-ptx4* | i[34567]86-sequent-sysv4*)
        if test x$gas = xyes
        then
@@ -1212,14 +1069,9 @@ i[34567]86-sequent-ptx4* | i[34567]86-sequent-sysv4*)
        extra_parts="crtbegin.o crtend.o"
        install_headers_dir=install-headers-cpio
        ;;
-i386-sun-sunos*)               # Sun i386 roadrunner
-       xm_defines=POSIX
-       tm_file="${tm_file} i386/unix.h i386/sun386.h i386/sun.h"
-       use_collect2=yes
-       ;;
-i[34567]86-wrs-vxworks*)
-       tm_file="${tm_file} i386/unix.h i386/bsd.h i386/gas.h i386/gstabs.h i386/i386-aout.h i386/vxi386.h"
-       thread_file='vxworks'
+i[34567]86-sequent-sysv*)      # would otherwise be caught by i?86-*-sysv*
+       echo "*** Configuration $machine not supported" 1>&2
+       exit 1
        ;;
 i[34567]86-*-aout*)
        tm_file="${tm_file} i386/unix.h i386/bsd.h i386/gas.h i386/gstabs.h i386/i386-aout.h"
@@ -1230,17 +1082,7 @@ i[34567]86-*-beoself* | i[34567]86-*-beos*)
        tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h svr4.h i386/beos-elf.h"
        extra_parts='crtbegin.o crtend.o'
        ;;
-i[34567]86-*-bsdi* | i[34567]86-*-bsd386*)
-       tm_file="${tm_file} i386/unix.h i386/bsd.h i386/gas.h i386/gstabs.h i386/386bsd.h i386/bsd386.h"
-#      tmake_file=t-libc-ok
-       ;;
-i[34567]86-*-bsd*)
-       tm_file="${tm_file} i386/unix.h i386/bsd.h i386/gas.h i386/gstabs.h i386/386bsd.h"
-#      tmake_file=t-libc-ok
-# Next line turned off because both 386BSD and BSD/386 use GNU ld.
-#      use_collect2=yes
-       ;;
-i[34567]86-*-freebsd[12] | i[34567]86-*-freebsd[12].* | i[34567]86-*-freebsd*aout*)
+i[34567]86-*-freebsd2 | i[34567]86-*-freebsd2.* | i[34567]86-*-freebsd*aout*)
        tm_file="${tm_file} i386/unix.h i386/bsd.h i386/gas.h i386/gstabs.h i386/freebsd-aout.h"
        tmake_file=t-freebsd
        ;;
@@ -1252,16 +1094,15 @@ x86_64-*-freebsd*)
        ;;
 i[34567]86-*-netbsdelf*)
        tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h netbsd.h netbsd-elf.h i386/netbsd-elf.h"
-       float_format=i386
        ;;
 i[34567]86-*-netbsd*)
        tm_file="${tm_file} i386/unix.h i386/bsd.h i386/gas.h i386/gstabs.h netbsd.h netbsd-aout.h i386/netbsd.h"
        tmake_file=t-netbsd
+       extra_parts=""
        use_collect2=yes
        ;;
 x86_64-*-netbsd*)
        tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h netbsd.h netbsd-elf.h i386/x86-64.h i386/netbsd64.h"
-       float_format=i386
        ;;
 i[34567]86-*-openbsd*)
        tm_file="${cpu_type}/${cpu_type}.h i386/unix.h i386/bsd.h i386/gas.h i386/gstabs.h openbsd-oldgas.h openbsd.h ${tm_file}"
@@ -1273,34 +1114,15 @@ i[34567]86-*-openbsd*)
 i[34567]86-*-coff*)
        tm_file="${tm_file} i386/unix.h i386/bsd.h i386/gas.h dbxcoff.h i386/i386-coff.h"
        ;;
-i[34567]86-*-isc*)             # 80386 running ISC system
-       xm_defines=POSIX
-        if test x$gas = xyes -a x$stabs = xyes
-       then
-               tm_file="${tm_file} i386/unix.h i386/bsd.h i386/gas.h i386/svr3gas.h i386/svr3dbx.h i386/iscdbx.h"
-               tmake_file=i386/t-svr3dbx
-               extra_parts="svr3.ifile svr3z.ifile"
-       else
-               tm_file="${tm_file} svr3.h i386/unix.h i386/att.h i386/sysv3.h i386/isc.h"
-               tmake_file=i386/t-crtstuff
-               extra_parts="crtbegin.o crtend.o"
-       fi
-       install_headers_dir=install-headers-cpio
-       ;;
-i[34567]86-*-linux*oldld*)     # Intel 80386's running GNU/Linux
-                               # with a.out format using
-                               # pre BFD linkers
-       tmake_file="t-linux-aout i386/t-crtstuff"
-       tm_file="${tm_file} i386/unix.h i386/bsd.h i386/gas.h i386/gstabs.h linux-aout.h i386/linux-oldld.h"
-       gnu_ld=yes
-       float_format=i386
+i[34567]86-*-linux*oldld*)     # would otherwise be caught by i?86-*-linux*
+       echo "*** Configuration $machine not supported" 1>&2
+       exit 1
        ;;
 i[34567]86-*-linux*aout*)      # Intel 80386's running GNU/Linux
                                # with a.out format
        tmake_file="t-linux-aout i386/t-crtstuff"
        tm_file="${tm_file} i386/unix.h i386/bsd.h i386/gas.h i386/gstabs.h linux-aout.h i386/linux-aout.h"
        gnu_ld=yes
-       float_format=i386
        ;;
 i[34567]86-*-linux*libc1)      # Intel 80386's running GNU/Linux
                                # with ELF format using the
@@ -1309,7 +1131,6 @@ i[34567]86-*-linux*libc1) # Intel 80386's running GNU/Linux
        tmake_file="t-slibgcc-elf-ver t-linux t-linux-gnulibc1 i386/t-crtstuff"
        extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
        gnu_ld=yes
-       float_format=i386
        if test x$enable_threads = xyes; then
                thread_file='single'
        fi
@@ -1319,26 +1140,13 @@ i[34567]86-*-linux*)    # Intel 80386's running GNU/Linux
                        # aka GNU/Linux C library 6
        tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h svr4.h linux.h i386/linux.h"
        tmake_file="t-slibgcc-elf-ver t-linux i386/t-crtstuff"
-       extra_parts="crtbegin.o crtbeginS.o crtbeginT.o crtend.o crtendS.o"
-       gnu_ld=yes
-       float_format=i386
-       if test x$enable_threads = xyes; then
-               thread_file='posix'
-       fi
        ;;
 x86_64-*-linux*)
        tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h svr4.h linux.h \
                 i386/x86-64.h i386/linux64.h"
-       tmake_file="t-slibgcc-elf-ver t-linux i386/t-crtstuff i386/t-linux64"
-       extra_parts="crtbegin.o crtbeginS.o crtbeginT.o crtend.o crtendS.o"
-       gnu_ld=yes
-       float_format=i386
-       if test x$enable_threads = xyes; then
-               thread_file='posix'
-       fi
+       tmake_file="t-slibgcc-elf-ver t-linux i386/t-linux64"
        ;;
 i[34567]86-*-gnu*)
-       float_format=i386
        ;;
 i[34567]86-go32-msdos | i[34567]86-*-go32*)
        echo "GO32/DJGPP V1.X is no longer supported. Use *-pc-msdosdjgpp for DJGPP V2.X instead."
@@ -1351,7 +1159,6 @@ i[34567]86-pc-msdosdjgpp*)
        gnu_ld=yes
        gas=yes
        exeext=.exe
-       float_format=none
        case $host in *pc-msdosdjgpp*)
                target_alias=djgpp
                ;;
@@ -1376,35 +1183,12 @@ i[34567]86-*-mach*)
 #      tmake_file=t-libc-ok
        use_collect2=yes
        ;;
-i[34567]86-*-osfrose*)         # 386 using OSF/rose
-        if test x$elf = xyes
-       then
-               tm_file="${tm_file} halfpic.h i386/unix.h i386/bsd.h i386/gas.h i386/gstabs.h i386/osfrose.h i386/osfelf.h"
-               use_collect2=
-       else
-               tm_file="${tm_file} halfpic.h i386/unix.h i386/bsd.h i386/gas.h i386/gstabs.h i386/osfrose.h"
-               use_collect2=yes
-       fi
-       tmake_file=i386/t-osf
-       extra_objs=halfpic.o
-       ;;
-i[34567]86-go32-rtems*)
-       xm_defines=POSIX
-       tm_file="dbxcoff.h ${tm_file} i386/djgpp.h i386/djgpp-rtems.h rtems.h"
-       tmake_file=t-rtems
-       if test x$enable_threads = xyes; then
-         thread_file='rtems'
-       fi
-       ;;
-i[34567]86-*-rtemscoff*)
-       xm_defines=POSIX
-       tm_file="${tm_file} i386/unix.h i386/bsd.h i386/gas.h dbxcoff.h i386/i386-coff.h i386/rtems.h rtems.h"
-       tmake_file=t-rtems
-       if test x$enable_threads = xyes; then
-         thread_file='rtems'
-       fi
+i[34567]86-go32-rtems* | i[34567]86-*-rtemscoff*)
+       # would otherwise be caught by i?86-*-rtems*
+       echo "*** Configuration $machine not supported" 1>&2
+       exit 1
        ;;
-i[34567]86-*-rtems*|i[34567]86-*-rtemself*)
+i[34567]86-*-rtems*)
        xm_defines=POSIX
        tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h i386/i386elf.h i386/rtemself.h rtems.h"
        extra_parts="crtbegin.o crtend.o crti.o crtn.o"
@@ -1428,10 +1212,7 @@ i[34567]86-*-sco3.2v5*)  # 80386 running SCO Open Server 5
        ;;
 i[34567]86-*-solaris2*)
        xm_defines="POSIX SMALL_ARG_MAX"
-       tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h svr4.h i386/sysv4.h i386/sol2.h"
-       if test x$gas = xyes; then
-               tm_file="i386/sol2gas.h ${tm_file}"
-       fi
+       tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h svr4.h i386/sysv4.h sol2.h i386/sol2.h"
        tmake_file="i386/t-sol2 t-svr4"
        if test x$gnu_ld = xyes; then
                tmake_file="$tmake_file t-slibgcc-elf-ver"
@@ -1468,7 +1249,7 @@ i[34567]86-*-sysv5*)           # Intel x86 on System V Release 5
        ;;
 i[34567]86-*-sysv4*)           # Intel 80386's running system V.4
        xm_defines="POSIX SMALL_ARG_MAX"
-       tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h svr4.h i386/sysv4.h"
+       tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h svr4.h i386/sysv4.h i386/sysv4-cpp.h"
        if test x$stabs = xyes
        then
                tm_file="${tm_file} dbx.h"
@@ -1483,17 +1264,6 @@ i[34567]86-*-udk*)      # Intel x86 on SCO UW/OSR5 Dev Kit
        extra_parts="crtbegin.o crtend.o"
        install_headers_dir=install-headers-cpio
        ;;
-i[34567]86-*-osf1*)            # Intel 80386's running OSF/1 1.3+
-       xm_defines='POSIX USE_C_ALLOCA SMALL_ARG_MAX'
-       if test x$stabs = xyes
-       then
-               tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h svr4.h i386/sysv4.h i386/osf1elf.h i386/osf1elfgdb.h"
-       else
-               tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h svr4.h i386/sysv4.h i386/osf1elf.h"
-       fi
-       tmake_file=i386/t-osf1elf
-       extra_parts="crti.o crtn.o crtbegin.o crtend.o"
-       ;;
 i[34567]86-*-sysv*)            # Intel 80386's running system V
        xm_defines=POSIX
        if test x$gas = xyes
@@ -1502,7 +1272,7 @@ i[34567]86-*-sysv*)               # Intel 80386's running system V
                then
                        tm_file="${tm_file} i386/unix.h i386/bsd.h i386/gas.h i386/svr3gas.h i386/svr3dbx.h"
                        tmake_file=i386/t-svr3dbx
-                       extra_parts="svr3.ifile svr3z.rfile"
+                       extra_parts="svr3.ifile svr3z.ifile"
                else
                        tm_file="${tm_file} i386/unix.h i386/bsd.h i386/gas.h i386/svr3gas.h"
                        extra_parts="crtbegin.o crtend.o"
@@ -1522,7 +1292,6 @@ i386-*-vsta)                      # Intel 80386's running VSTa kernel
 i[34567]86-*-win32)
        xm_defines=POSIX
        xm_file=i386/xm-cygwin.h
-       float_format=i386
        tmake_file=i386/t-cygwin
        tm_file="${tm_file} i386/win32.h"
        extra_objs=winnt.o
@@ -1534,7 +1303,6 @@ i[34567]86-*-win32)
 i[34567]86-*-pe | i[34567]86-*-cygwin*)
        xm_defines=POSIX
        xm_file=i386/xm-cygwin.h
-       float_format=i386
        tmake_file=i386/t-cygwin
        tm_file=i386/cygwin.h
        extra_objs=winnt.o
@@ -1545,7 +1313,6 @@ i[34567]86-*-pe | i[34567]86-*-cygwin*)
        ;;
 i[34567]86-*-mingw32*)
        tm_file=i386/mingw32.h
-       float_format=i386
        xm_defines=POSIX
        xm_file=i386/xm-mingw32.h
        tmake_file="i386/t-cygwin i386/t-mingw32"
@@ -1573,10 +1340,9 @@ i[34567]86-*-uwin*)
        ;;
 i[34567]86-*-interix3*)
        tm_file="${tm_file} i386/unix.h i386/bsd.h i386/gas.h i386/i386-interix.h i386/i386-interix3.h interix.h interix3.h"
-       xm_file="i386/xm-i386-interix.h"
        xm_defines=POSIX
        tmake_file="t-interix i386/t-interix"
-       extra_objs=interix.o
+       extra_objs=winnt.o
        xmake_file="x-interix"
        if test x$enable_threads = xyes ; then
                thread_file='posix'
@@ -1587,10 +1353,9 @@ i[34567]86-*-interix3*)
        ;;
 i[34567]86-*-interix*)
        tm_file="${tm_file} i386/unix.h i386/bsd.h i386/gas.h i386/i386-interix.h interix.h"
-       xm_file="i386/xm-i386-interix.h"
        xm_defines=POSIX
        tmake_file="t-interix i386/t-interix"
-       extra_objs=interix.o
+       extra_objs=winnt.o
        if test x$enable_threads = xyes ; then
                thread_file='posix'
        fi
@@ -1598,68 +1363,6 @@ i[34567]86-*-interix*)
                tm_file="${tm_file} dbxcoff.h"
        fi
        ;;
-i[34567]86-dg-dgux*)
-       xm_defines=POSIX
-       tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h svr4.h i386/sysv4.h i386/dgux.h"
-       tmake_file=i386/t-dgux
-       install_headers_dir=install-headers-cpio
-      ;;
-i860-alliant-*)                # Alliant FX/2800
-       tm_file="${tm_file} dbxelf.h elfos.h svr4.h i860/sysv4.h i860/fx2800.h"
-       tmake_file=i860/t-fx2800
-       extra_parts="crtbegin.o crtend.o"
-       ;;
-i860-*-bsd*)
-       tm_file="${tm_file} i860/bsd.h"
-       if test x$gas = xyes
-       then
-               tm_file="${tm_file} i860/bsd-gas.h"
-       fi
-       use_collect2=yes
-       ;;
-i860-*-mach*)
-       tm_file="${tm_file} i860/mach.h"
-       tmake_file=t-libc-ok
-       ;;
-i860-*-osf*)                   # Intel Paragon XP/S, OSF/1AD
-       tm_file="${tm_file} svr3.h i860/paragon.h"
-       xm_defines=POSIX
-       ;;
-i860-*-sysv3*)
-       tm_file="${tm_file} svr3.h i860/sysv3.h"
-       xm_defines=POSIX
-       extra_parts="crtbegin.o crtend.o"
-       ;;
-i860-*-sysv4*)
-       tm_file="${tm_file} dbxelf.h elfos.h svr4.h i860/sysv4.h"
-       xm_defines=POSIX
-       tmake_file=t-svr4
-       extra_parts="crtbegin.o crtend.o"
-       ;;
-i960-wrs-vxworks5 | i960-wrs-vxworks5.0*)
-       tm_file="${tm_file} i960/vx960.h"
-       tmake_file=i960/t-vxworks960
-       use_collect2=yes
-       thread_file='vxworks'
-       c_target_objs="i960-c.o"
-       cxx_target_objs="i960-c.o"
-       ;;
-i960-wrs-vxworks5* | i960-wrs-vxworks)
-       tm_file="${tm_file} dbxcoff.h i960/i960-coff.h i960/vx960-coff.h"
-       tmake_file=i960/t-vxworks960
-       use_collect2=yes
-       thread_file='vxworks'
-       c_target_objs="i960-c.o"
-       cxx_target_objs="i960-c.o"
-       ;;
-i960-wrs-vxworks*)
-       tm_file="${tm_file} i960/vx960.h"
-       tmake_file=i960/t-vxworks960
-       use_collect2=yes
-       thread_file='vxworks'
-       c_target_objs="i960-c.o"
-       cxx_target_objs="i960-c.o"
-       ;;
 i960-*-coff*)
        tm_file="${tm_file} dbxcoff.h i960/i960-coff.h libgloss.h"
        tmake_file=i960/t-960bare
@@ -1682,11 +1385,6 @@ i960-*-*)                        # Default i960 environment.
        c_target_objs="i960-c.o"
        cxx_target_objs="i960-c.o"
        ;;
-ia64*-*-aix*)
-       tm_file="${tm_file} dbxelf.h elfos.h svr4.h ia64/sysv4.h ia64/aix.h"
-       tmake_file="ia64/t-ia64 ia64/t-aix"
-       target_cpu_default="MASK_GNU_AS|MASK_GNU_LD"
-       ;;
 ia64*-*-elf*)
        tm_file="${tm_file} dbxelf.h elfos.h ia64/sysv4.h ia64/elf.h"
        tmake_file="ia64/t-ia64"
@@ -1699,22 +1397,22 @@ ia64*-*-elf*)
        then
                target_cpu_default="${target_cpu_default}|MASK_GNU_LD"
        fi
-       float_format=i386
+       extra_parts="crtbegin.o crtend.o crtbeginS.o crtendS.o crtfastmath.o"
        ;;
 ia64*-*-freebsd*)
        tm_file="${tm_file} dbxelf.h elfos.h ${fbsd_tm_file} ia64/sysv4.h ia64/freebsd.h"
        target_cpu_default="MASK_GNU_AS|MASK_GNU_LD"
        tmake_file="${tmake_file} ia64/t-ia64"
-       float_format=i386
+       extra_parts="crtbegin.o crtend.o crtbeginS.o crtendS.o crtfastmath.o"
        ;;
 ia64*-*-linux*)
        tm_file="${tm_file} dbxelf.h elfos.h svr4.h linux.h ia64/sysv4.h ia64/linux.h"
        tmake_file="t-slibgcc-elf-ver t-linux ia64/t-ia64 ia64/t-glibc"
        target_cpu_default="MASK_GNU_AS|MASK_GNU_LD"
-       if test x$enable_threads = xyes; then
-               thread_file='posix'
+       extra_parts="crtbegin.o crtend.o crtbeginS.o crtendS.o crtfastmath.o"
+       if test x"$use_libunwind_exceptions" = xyes; then
+         tmake_file="$tmake_file t-libunwind"
        fi
-       float_format=i386
        ;;
 ia64*-*-hpux*)
        tm_file="${tm_file} dbxelf.h elfos.h svr4.h ia64/sysv4.h ia64/hpux.h ia64/hpux_longdouble.h"
@@ -1723,7 +1421,11 @@ ia64*-*-hpux*)
        if test x$enable_threads = xyes; then
                thread_file='posix'
        fi
-       float_format=i386
+       use_collect2=no
+       c_target_objs="ia64-c.o"
+       cxx_target_objs="ia64-c.o"
+       ;;
+ip2k-*-elf)
        ;;
 m32r-*-elf*)
        tm_file="dbxelf.h elfos.h svr4.h ${tm_file}"
@@ -1744,11 +1446,6 @@ m68hc12-*-*|m6812-*-*)
        out_file="m68hc11/m68hc11.c"
        tmake_file="m68hc11/t-m68hc11-gas"
         ;;
-m68000-convergent-sysv*)
-       tm_file=m68k/ctix.h
-       xm_defines=POSIX
-       use_collect2=yes
-       ;;
 m68000-hp-bsd*)                        # HP 9000/200 running BSD
        tm_file=m68k/hp2bsd.h
        use_collect2=yes
@@ -1783,63 +1480,16 @@ m68000-att-sysv*)
        fi
        use_collect2=yes
        ;;
-m68k-apple-aux*)               # Apple Macintosh running A/UX
-       xm_defines=POSIX
-       tmake_file=m68k/t-aux
-       install_headers_dir=install-headers-cpio
-       extra_parts="crt1.o mcrt1.o maccrt1.o crt2.o crtn.o"
-       tm_file=
-       if test "$gnu_ld" = yes
-       then
-               tm_file="${tm_file} m68k/auxgld.h"
-       else
-               tm_file="${tm_file} m68k/auxld.h"
-       fi
-       if test "$gas" = yes
-       then
-               tm_file="${tm_file} m68k/auxgas.h"
-       else
-               tm_file="${tm_file} m68k/auxas.h"
-       fi
-       tm_file="${tm_file} m68k/a-ux.h"
-       float_format=m68k
-       ;;
-m68k-apollo-*)
-       tm_file=m68k/apollo68.h
-       use_collect2=yes
-       float_format=m68k
-       ;;
-m68k-altos-sysv*)                 # Altos 3068
-       if test x$gas = xyes
-       then
-               tm_file=m68k/altos3068.h
-               xm_defines=POSIX
-       else
-               echo "The Altos is supported only with the GNU assembler" 1>&2
-               exit 1
-       fi
-        ;;
-m68k-bull-sysv*)               # Bull DPX/2
-       if test x$gas = xyes
-       then
-               if test x$stabs = xyes
-               then
-                       tm_file=m68k/dpx2cdbx.h
-               else
-                       tm_file=m68k/dpx2g.h
-               fi
-       else
-               tm_file=m68k/dpx2.h
-       fi
-       xm_defines=POSIX
-       use_collect2=yes
-       ;;
 m68k-atari-sysv4*)              # Atari variant of V.4.
        tm_file=m68k/atari.h
        xm_defines=POSIX
        tmake_file=t-svr4
        extra_parts="crtbegin.o crtend.o"
-       float_format=m68k
+       ;;
+m68k-apollo-sysv* | m68k-bull-sysv*)
+       # can otherwise be caught by m68k-*-sysv4*
+       echo "*** Configuration $machine not supported" 1>&2
+       exit 1
        ;;
 m68k-motorola-sysv*)
        tm_file=m68k/mot3300.h
@@ -1864,7 +1514,6 @@ m68k-motorola-sysv*)
        fi
        gdb_needs_out_file_path=yes
        extra_parts="crt0.o mcrt0.o"
-       float_format=m68k
        ;;
 m68k-ncr-sysv*)                        # NCR Tower 32 SVR3
        tm_file=m68k/tower-as.h
@@ -1890,32 +1539,18 @@ m68k-cbm-sysv4*)                # Commodore variant of V.4.
        xm_defines=POSIX
        tmake_file=t-svr4
        extra_parts="crtbegin.o crtend.o"
-       float_format=m68k
        ;;
 m68k-ccur-rtu)
        tm_file=m68k/ccur-GAS.h
        use_collect2=yes
-       float_format=m68k
        ;;
 m68k-hp-bsd4.4*)               # HP 9000/3xx running 4.4bsd
        tm_file=m68k/hp3bsd44.h
        use_collect2=yes
-       float_format=m68k
        ;;
 m68k-hp-bsd*)                  # HP 9000/3xx running Berkeley Unix
        tm_file=m68k/hp3bsd.h
        use_collect2=yes
-       float_format=m68k
-       ;;
-m68k-isi-bsd*)
-       if test x$with_fp = xno
-       then
-               tm_file=m68k/isi-nfp.h
-       else
-               tm_file=m68k/isi.h
-               float_format=m68k
-       fi
-       use_collect2=yes
        ;;
 m68k-hp-hpux7*)        # HP 9000 series 300 running HPUX version 7.
        xm_defines=POSIX
@@ -1929,7 +1564,6 @@ m68k-hp-hpux7*)   # HP 9000 series 300 running HPUX version 7.
        fi
        install_headers_dir=install-headers-cpio
        use_collect2=yes
-       float_format=m68k
        ;;
 m68k-hp-hpux*) # HP 9000 series 300
        xm_defines=POSIX
@@ -1943,53 +1577,10 @@ m68k-hp-hpux*)  # HP 9000 series 300
        fi
        install_headers_dir=install-headers-cpio
        use_collect2=yes
-       float_format=m68k
        ;;
 m68k-sun-mach*)
        tm_file=m68k/sun3mach.h
        use_collect2=yes
-       float_format=m68k
-       ;;
-m68k-sony-newsos3*)
-       if test x$gas = xyes
-       then
-               tm_file=m68k/news3gas.h
-       else
-               tm_file=m68k/news3.h
-       fi
-       use_collect2=yes
-       float_format=m68k
-       ;;
-m68k-sony-bsd* | m68k-sony-newsos*)
-       if test x$gas = xyes
-       then
-               tm_file=m68k/newsgas.h
-       else
-               tm_file=m68k/news.h
-       fi
-       use_collect2=yes
-       float_format=m68k
-       ;;
-m68k-next-nextstep2*)
-       tm_p_file="${tm_p_file} nextstep-protos.h"
-       tm_file=m68k/next21.h
-       tmake_file=m68k/t-next
-       xmake_file=m68k/x-next
-       extra_objs=nextstep.o
-       use_collect2=yes
-       float_format=m68k
-        ;;
-m68k-next-nextstep[34]*)
-       tm_p_file="${tm_p_file} nextstep-protos.h"
-       tm_file=m68k/next.h
-       tmake_file=m68k/t-next
-       xmake_file=m68k/x-next
-       extra_objs=nextstep.o
-       extra_parts="crtbegin.o crtend.o"
-       float_format=m68k
-       if test x$enable_threads = xyes; then
-               thread_file='mach'
-       fi
        ;;
 m68k-sun-sunos3*)
        if test x$with_fp = xno
@@ -1997,7 +1588,6 @@ m68k-sun-sunos3*)
                tm_file=m68k/sun3n3.h
        else
                tm_file=m68k/sun3o3.h
-               float_format=m68k
        fi
        use_collect2=yes
        ;;
@@ -2007,25 +1597,16 @@ m68k-sun-sunos*)                        # For SunOS 4 (the default).
                tm_file=m68k/sun3n.h
        else
                tm_file=m68k/sun3.h
-               float_format=m68k
        fi
        use_collect2=yes
        ;;
-m68k-wrs-vxworks*)
-       tm_file=m68k/vxm68k.h
-       tmake_file=m68k/t-vxworks68
-       thread_file='vxworks'
-       float_format=m68k
-       ;;
 m68k-*-aout*)
        tmake_file=m68k/t-m68kbare
        tm_file="m68k/m68k-aout.h libgloss.h"
-       float_format=m68k
        ;;
 m68k-*-coff*)
        tmake_file=m68k/t-m68kbare
        tm_file="m68k/m68k-coff.h dbx.h"
-       float_format=m68k
        ;;
 m68020-*-elf* | m68k-*-elf*)
        tm_file="m68k/m68k-none.h m68k/m68kelf.h dbxelf.h elfos.h m68k/m68kemb.h m68k/m68020-elf.h"
@@ -2033,16 +1614,6 @@ m68020-*-elf* | m68k-*-elf*)
        tmake_file=m68k/t-m68kelf
        extra_parts="crtbegin.o crtend.o"
        ;;
-m68k-*-lynxos*)
-       if test x$gas = xyes
-       then
-               tm_file=m68k/lynx.h
-       else
-               tm_file=m68k/lynx-ng.h
-       fi
-       tmake_file=m68k/t-lynx
-       float_format=m68k
-       ;;
 m68010-*-netbsdelf* | m68k*-*-netbsdelf*)
        tm_file="${tm_file} dbxelf.h elfos.h netbsd.h netbsd-elf.h m68k/netbsd-elf.h"
        case $machine in
@@ -2053,38 +1624,29 @@ m68010-*-netbsdelf* | m68k*-*-netbsdelf*)
                target_cpu_default="MASK_68020|MASK_68881|MASK_BITFIELD"
                ;;
        esac
-       float_format=m68k
        ;;
 m68k*-*-netbsd*)
        tm_file=m68k/netbsd.h
        tmake_file=t-netbsd
-       float_format=m68k
+       extra_parts=""
        use_collect2=yes
        ;;
 m68k*-*-openbsd*)
        # needed to unconfuse gdb
        tmake_file="t-libc-ok t-openbsd m68k/t-openbsd"
-       float_format=m68k
        # we need collect2 until our bug is fixed...
        use_collect2=yes
        ;;
-m68k-*-sysv3*)                 # Motorola m68k's running system V.3
-       xm_defines=POSIX
-       extra_parts="crtbegin.o crtend.o"
-       float_format=m68k
-       ;;
 m68k-*-sysv4*)                 # Motorola m68k's running system V.4
        tm_file=m68k/m68kv4.h
        xm_defines=POSIX
        tmake_file=t-svr4
        extra_parts="crtbegin.o crtend.o"
-       float_format=m68k
        ;;
 m68k-*-linux*aout*)            # Motorola m68k's running GNU/Linux
                                # with a.out format
        tm_file=m68k/linux-aout.h
        tmake_file="t-linux-aout m68k/t-linux-aout"
-       float_format=m68k
        gnu_ld=yes
        ;;
 m68k-*-linux*libc1)            # Motorola m68k's running GNU/Linux
@@ -2093,7 +1655,6 @@ m68k-*-linux*libc1)               # Motorola m68k's running GNU/Linux
        tm_file=m68k/linux.h
        tmake_file="t-slibgcc-elf-ver t-linux t-linux-gnulibc1 m68k/t-linux"
        extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
-       float_format=m68k
        gnu_ld=yes
        ;;
 m68k-*-linux*)         # Motorola m68k's running GNU/Linux
@@ -2101,107 +1662,32 @@ m68k-*-linux*)         # Motorola m68k's running GNU/Linux
                                # aka the GNU/Linux C library 6.
        tm_file=m68k/linux.h
        tmake_file="t-slibgcc-elf-ver t-linux m68k/t-linux"
-       extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
-       float_format=m68k
-       gnu_ld=yes
-       if test x$enable_threads = xyes; then
-               thread_file='posix'
-       fi
        ;;
 m68k-*-psos*)
        tmake_file=m68k/t-m68kbare
        tm_file=m68k/m68k-psos.h
-       float_format=m68k
        ;;
-m68k-*-rtemscoff*)
-       xm_defines=POSIX
-       tmake_file="m68k/t-m68kbare t-rtems"
-       tm_file="m68k/m68k-coff.h m68k/rtems.h rtems.h"
-       float_format=m68k
-       if test x$enable_threads = xyes; then
-         thread_file='rtems'
-       fi
+m68k-*-rtemscoff*)     # would otherwise be caught by m68k-*-rtems*
+       echo "*** Configuration $machine not supported" 1>&2
+       exit 1
        ;;
-m68k-*-rtemself*|m68k-*-rtems*)
+m68k-*-rtems*)
        xm_defines=POSIX
        tmake_file="m68k/t-m68kbare t-rtems m68k/t-crtstuff"
        tm_file="m68k/m68k-none.h m68k/m68kelf.h dbxelf.h elfos.h m68k/m68kemb.h m68k/m68020-elf.h m68k/rtemself.h rtems.h"
-       float_format=m68k
        extra_parts="crtbegin.o crtend.o"
        if test x$enable_threads = xyes; then
          thread_file='rtems'
        fi
        ;;
-m88k-dg-dgux*)
-       xm_defines=POSIX
-       case $machine in
-         m88k-dg-dguxbcs*)
-           tm_file="dbxelf.h elfos.h svr4.h m88k/dgux.h m88k/dguxbcs.h"
-           tmake_file="m88k/t-dgux m88k/t-dguxbcs"
-           ;;
-         *)
-           tm_file="dbxelf.h elfos.h svr4.h m88k/dgux.h"
-           tmake_file=m88k/t-dgux
-           ;;
-       esac
-       extra_parts="crtbegin.o bcscrtbegin.o crtend.o m88kdgux.ld"
-       if test x$gas = xyes
-       then
-               tmake_file=m88k/t-dgux-gas
-       fi
-       ;;
-m88k-dolphin-sysv3*)
-       xm_defines=POSIX
-       tm_file=m88k/dolph.h
-       extra_parts="crtbegin.o crtend.o"
-       tmake_file=m88k/t-dolph
-       if test x$gas = xyes
-       then
-               tmake_file=m88k/t-m88k-gas
-       fi
-       ;;
-m88k-tektronix-sysv3)
-       xm_defines=POSIX
-       tm_file=m88k/tekXD88.h
-       extra_parts="crtbegin.o crtend.o"
-       tmake_file=m88k/t-tekXD88
-       if test x$gas = xyes
-       then
-               tmake_file=m88k/t-m88k-gas
-       fi
-       ;;
 m88k-*-aout*)
        xm_defines=POSIX
        tm_file=m88k/m88k-aout.h
        ;;
-m88k-*-coff*)
-       xm_defines=POSIX
-       tm_file=m88k/m88k-coff.h
-       tmake_file=m88k/t-bug
-       ;;
-m88k-*-luna*)
-       tm_file=m88k/luna.h
-       extra_parts="crtbegin.o crtend.o"
-       if test x$gas = xyes
-       then
-               tmake_file=m88k/t-luna-gas
-       else
-               tmake_file=m88k/t-luna
-       fi
-       ;;
 m88k-*-openbsd*)
        tmake_file="${tmake_file} m88k/t-luna-gas"
        tm_file="m88k/aout-dbx.h aoutos.h m88k/m88k.h openbsd.h ${tm_file}"
        ;;
-m88k-*-sysv3*)
-       xm_defines=POSIX
-       tm_file=m88k/sysv3.h
-       extra_parts="crtbegin.o crtend.o"
-       if test x$gas = xyes
-       then
-               tmake_file=m88k/t-m88k-gas
-       fi
-       ;;
 m88k-*-sysv4*)
        xm_defines=POSIX
        tm_file="dbxelf.h elfos.h svr4.h m88k/sysv4.h"
@@ -2216,6 +1702,30 @@ mcore-*-pe*)
        tm_file=mcore/mcore-pe.h
        tmake_file=mcore/t-mcore-pe
        ;;
+mips-sgi-irix6*o32)            # SGI System V.4., IRIX 6, O32 ABI
+       if test x$gas = xyes
+       then
+               tm_file="mips/iris5.h mips/iris5gas.h mips/iris6-o32-gas.h"
+               if test x$stabs = xyes
+               then
+                       tm_file="${tm_file} dbx.h"
+               fi
+               tmake_file=mips/t-iris5-gas
+       else
+               tm_file="mips/iris5.h mips/iris6-o32-as.h"
+               tmake_file=mips/t-iris5-as
+       fi
+       tm_file="${tm_file} mips/iris6-o32.h"
+       tmake_file="${tmake_file} mips/t-iris mips/t-iris5-6"
+       xm_defines=POSIX
+       xm_file=mips/xm-iris5.h
+       # mips-tfile doesn't work yet
+       # See comment in mips/iris5.h file.
+       use_collect2=yes
+#      if test x$enable_threads = xyes; then
+#              thread_file='irix'
+#      fi
+       ;;
 mips-sgi-irix6*)               # SGI System V.4., IRIX 6
        if test "x$gnu_ld" = xyes
        then
@@ -2223,20 +1733,12 @@ mips-sgi-irix6*)                # SGI System V.4., IRIX 6
        else
                tm_file=mips/iris6.h
        fi
-       tmake_file="mips/t-iris mips/t-iris6"
+       tmake_file="mips/t-iris mips/t-iris5-6 mips/t-iris6"
        xm_defines=POSIX
 #      if test x$enable_threads = xyes; then
 #              thread_file='irix'
 #      fi
        ;;
-mips-wrs-vxworks)
-       tm_file="mips/elf.h mips/vxworks.h"
-       tmake_file=mips/t-ecoff
-       gas=yes
-       gnu_ld=yes
-       extra_parts="crtbegin.o crtend.o"
-       thread_file='vxworks'
-       ;;
 mips-sgi-irix5cross64)         # Irix5 host, Irix 6 target, cross64
        tm_file="mips/iris6.h mips/cross64.h"
        xm_defines=POSIX
@@ -2274,10 +1776,12 @@ mips-sgi-irix5*)                # SGI System V.4., IRIX 5
                then
                        tm_file="${tm_file} dbx.h"
                fi
+               tmake_file=mips/t-iris5-gas
        else
                tm_file=mips/iris5.h
+               tmake_file=mips/t-iris5-as
        fi
-       tmake_file=mips/t-iris
+       tmake_file="${tmake_file} mips/t-iris mips/t-iris5-6"
        xm_defines=POSIX
        xm_file=mips/xm-iris5.h
        # mips-tfile doesn't work yet
@@ -2287,404 +1791,133 @@ mips-sgi-irix5*)              # SGI System V.4., IRIX 5
 #              thread_file='irix'
 #      fi
        ;;
-mips-sgi-irix4loser*)          # Mostly like a MIPS.
-       tm_file="mips/iris4loser.h mips/iris3.h ${tm_file} mips/iris4.h"
-       if test x$stabs = xyes; then
-               tm_file="${tm_file} dbx.h"
-       fi
-       tmake_file=mips/t-iris
-       xm_defines=POSIX
-       if test x$gas = xyes
-       then    :
-       else
-               extra_passes="mips-tfile mips-tdump"
-       fi
-       if test x$gnu_ld != xyes
-       then
-               use_collect2=yes
-       fi
-#      if test x$enable_threads = xyes; then
-#              thread_file='irix'
-#      fi
-       ;;
-mips-sgi-irix4*)               # Mostly like a MIPS.
-       tm_file="mips/iris3.h ${tm_file} mips/iris4.h"
-       if test x$stabs = xyes; then
-               tm_file="${tm_file} dbx.h"
-       fi
-       tmake_file=mips/t-iris
-       xm_defines=POSIX
-       if test x$gas = xyes
-       then    :
-       else
-               extra_passes="mips-tfile mips-tdump"
-       fi
-       if test x$gnu_ld != xyes
-       then
-               use_collect2=yes
-       fi
-#      if test x$enable_threads = xyes; then
-#              thread_file='irix'
-#      fi
-       ;;
-mips-sgi-*)                    # Mostly like a MIPS.
-       tm_file="mips/iris3.h ${tm_file}"
-       if test x$stabs = xyes; then
-               tm_file="${tm_file} dbx.h"
-       fi
-       xm_defines=POSIX
-       if test x$gas = xyes
-       then    :
-       else
-               extra_passes="mips-tfile mips-tdump"
-       fi
-       if test x$gnu_ld != xyes
-       then
-               use_collect2=yes
-       fi
-       ;;
-mips-dec-osfrose*)             # Decstation running OSF/1 reference port with OSF/rose.
-       tm_file="mips/osfrose.h ${tm_file}"
-       extra_objs=halfpic.o
-       use_collect2=yes
-       ;;
-mips-dec-osf*)                 # Decstation running OSF/1 as shipped by DIGITAL
-       tm_file=mips/dec-osf1.h
-       if test x$stabs = xyes; then
-               tm_file="${tm_file} dbx.h"
-       fi
-       if test x$gas = xyes
-       then    :
-       else
-               tmake_file=mips/t-ultrix
-               extra_passes="mips-tfile mips-tdump"
-       fi
-       if test x$gnu_ld != xyes
-       then
-               use_collect2=yes
-       fi
+mips-sgi-*)    # would otherwise be caught by mips-*-elf*
+       echo "*** Configuration $machine not supported" 1>&2
+       exit 1
        ;;
-mips-dec-bsd*)                  # Decstation running 4.4 BSD
-      tm_file=mips/dec-bsd.h
-      if test x$gas = xyes
-      then     :
-      else
-               tmake_file=mips/t-ultrix
-               extra_passes="mips-tfile mips-tdump"
-      fi
-      if test x$gnu_ld != xyes
-      then
-               use_collect2=yes
-      fi
-      ;;
 mips*-*-netbsd*)                       # NetBSD/mips, either endian.
-       tm_file="elfos.h mips/netbsd.h"
-       case $machine in
-       mips*el-*)
-               tm_file="mips/little.h $tm_file" 
-               ;;
-       esac
+       target_cpu_default="MASK_GAS|MASK_ABICALLS"
+       tm_file="elfos.h ${tm_file} mips/netbsd.h"
+       tmake_file="${tmake_file}"
        ;;
-mips*-*-linux*)                                # Linux MIPS, either endian.
-        tm_file="dbxelf.h elfos.h svr4.h linux.h mips/linux.h"
-       case $machine in
-        mipsisa32*-*)
-                tm_file="$tm_file mips/isa32-linux.h"
-                target_cpu_default="MASK_SOFT_FLOAT"
-                ;;
-        esac
-        case $machine in
-        mips*el-*)
-                tm_file="mips/little.h $tm_file"
-                ;;
-       esac
-       tmake_file="t-slibgcc-elf-ver t-linux mips/t-linux"
+mips64*-*-linux*)
+       tm_file="dbxelf.h elfos.h svr4.h linux.h ${tm_file} mips/linux.h mips/linux64.h"
+       tmake_file="t-slibgcc-elf-ver t-linux mips/t-linux mips/t-linux64"
+
+       # This default ABI is a partial lie: t-linux64 overrides the
+       # DRIVER_SELF_SPEC that sets the default abi, in the spec file
+       # that is installed.  What GCC thinks of as the default must
+       # remain as ABI_32 such that the SONAMEs of the libgcc shared
+       # libraries remain compatible with those of mips-linux-gnu.
+       tm_defines="MIPS_ISA_DEFAULT=1 MIPS_ABI_DEFAULT=ABI_32"
+       target_cpu_default="MASK_ABICALLS|MASK_FLOAT64|MASK_64BIT"
        extra_parts="crtbegin.o crtbeginS.o crtbeginT.o crtend.o crtendS.o"
        gnu_ld=yes
        gas=yes
        if test x$enable_threads = xyes; then
-               thread_file='posix'
-       fi
-       ;;
-mips*el-*-openbsd*)    # mips little endian
-       target_cpu_default="MASK_GAS|MASK_ABICALLS"
-       ;;
-mips*-*-openbsd*)              # mips big endian
-       target_cpu_default="MASK_GAS|MASK_ABICALLS"
-       tm_file="mips/openbsd-be.h ${tm_file}"
-       ;;
-mips-sony-bsd* | mips-sony-newsos*)    # Sony NEWS 3600 or risc/news.
-       tm_file="mips/news4.h ${tm_file}"
-       if test x$stabs = xyes; then
-               tm_file="${tm_file} dbx.h"
-       fi
-       if test x$gas = xyes
-       then    :
-       else
-               extra_passes="mips-tfile mips-tdump"
-       fi
-       if test x$gnu_ld != xyes
-       then
-               use_collect2=yes
-       fi
-       ;;
-mips-sony-sysv*)               # Sony NEWS 3800 with NEWSOS5.0.
-                               # That is based on svr4.
-       # t-svr4 is not right because this system doesn't use ELF.
-       tm_file="mips/news5.h ${tm_file}"
-       if test x$stabs = xyes; then
-               tm_file="${tm_file} dbx.h"
-       fi
-       xm_defines=POSIX
-       if test x$gas = xyes
-       then    :
-       else
-               extra_passes="mips-tfile mips-tdump"
-       fi
-       if test x$gnu_ld != xyes
-       then
-               use_collect2=yes
-       fi
-       ;;
-mips-tandem-sysv4*)            # Tandem S2 running NonStop UX
-       tm_file="mips/svr4-5.h mips/svr4-t.h"
-       if test x$stabs = xyes; then
-               tm_file="${tm_file} dbx.h"
-       fi
-       xm_defines=POSIX
-       if test x$gas = xyes
-       then
-               extra_parts="crtbegin.o crtend.o"
-       else
-               extra_passes="mips-tfile mips-tdump"
-       fi
-       if test x$gnu_ld != xyes
-       then
-               use_collect2=yes
-       fi
-       ;;
-mips-*-ultrix* | mips-dec-mach3)       # Decstation.
-       tm_file="mips/ultrix.h ${tm_file}"
-       if test x$stabs = xyes; then
-               tm_file="${tm_file} dbx.h"
-       fi
-       if test x$gas = xyes
-       then    :
-       else
-               tmake_file=mips/t-ultrix
-               extra_passes="mips-tfile mips-tdump"
-       fi
-       if test x$gnu_ld != xyes
-       then
-               use_collect2=yes
-       fi
-        ;;
-mips-*-riscos[56789]bsd*)
-       tm_file=mips/bsd-5.h    # MIPS BSD 4.3, RISC-OS 5.0
-       if test x$stabs = xyes; then
-               tm_file="${tm_file} dbx.h"
-       fi
-       if test x$gas = xyes
-       then
-               tmake_file=mips/t-bsd-gas
-       else
-               tmake_file=mips/t-bsd
-               extra_passes="mips-tfile mips-tdump"
-       fi
-       if test x$gnu_ld != xyes
-       then
-               use_collect2=yes
-       fi
-        ;;
-mips-*-bsd* | mips-*-riscosbsd* | mips-*-riscos[1234]bsd*)
-       tm_file="mips/bsd-4.h ${tm_file}" # MIPS BSD 4.3, RISC-OS 4.0
-       if test x$stabs = xyes; then
-               tm_file="${tm_file} dbx.h"
-       fi
-       if test x$gas = xyes
-       then
-               tmake_file=mips/t-bsd-gas
-       else
-               tmake_file=mips/t-bsd
-               extra_passes="mips-tfile mips-tdump"
-       fi
-       if test x$gnu_ld != xyes
-       then
-               use_collect2=yes
-       fi
-        ;;
-mips-*-riscos[56789]sysv4*)
-       tm_file=mips/svr4-5.h   # MIPS System V.4., RISC-OS 5.0
-       if test x$stabs = xyes; then
-               tm_file="${tm_file} dbx.h"
-       fi
-       if test x$gas = xyes
-       then
-               tmake_file=mips/t-svr4-gas
-       else
-               tmake_file=mips/t-svr4
-               extra_passes="mips-tfile mips-tdump"
-       fi
-       if test x$gnu_ld != xyes
-       then
-               use_collect2=yes
-       fi
-       ;;
-mips-*-sysv4* | mips-*-riscos[1234]sysv4* | mips-*-riscossysv4*)
-       tm_file="mips/svr4-4.h ${tm_file}"
-       if test x$stabs = xyes; then
-               tm_file="${tm_file} dbx.h"
-       fi
-       xm_defines=POSIX
-       if test x$gas = xyes
-       then
-               tmake_file=mips/t-svr4-gas
-       else
-               tmake_file=mips/t-svr4
-               extra_passes="mips-tfile mips-tdump"
-       fi
-       if test x$gnu_ld != xyes
-       then
-               use_collect2=yes
-       fi
-       ;;
-mips-*-riscos[56789]sysv*)
-       tm_file=mips/svr3-5.h   # MIPS System V.3, RISC-OS 5.0
-       if test x$stabs = xyes; then
-               tm_file="${tm_file} dbx.h"
-       fi
-       xm_defines=POSIX
-       if test x$gas = xyes
-       then
-               tmake_file=mips/t-svr3-gas
-       else
-               tmake_file=mips/t-svr3
-               extra_passes="mips-tfile mips-tdump"
-       fi
-       if test x$gnu_ld != xyes
-       then
-               use_collect2=yes
+               thread_file='posix'
        fi
        ;;
-mips-*-sysv* | mips-*-riscos*sysv*)
-       tm_file="mips/svr3-4.h ${tm_file}"
-       if test x$stabs = xyes; then
-               tm_file="${tm_file} dbx.h"
-       fi
-       xm_defines=POSIX
-       if test x$gas = xyes
-       then
-               tmake_file=mips/t-svr3-gas
-       else
-               tmake_file=mips/t-svr3
-               extra_passes="mips-tfile mips-tdump"
-       fi
-       if test x$gnu_ld != xyes
-       then
-               use_collect2=yes
-       fi
+mips*-*-linux*)                                # Linux MIPS, either endian.
+        tm_file="dbxelf.h elfos.h svr4.h linux.h ${tm_file} mips/linux.h"
+       case $machine in
+        mipsisa32*-*)
+                target_cpu_default="MASK_SOFT_FLOAT"
+               tm_defines="MIPS_ISA_DEFAULT=32"
+                ;;
+        esac
+       tmake_file="t-slibgcc-elf-ver t-linux"
        ;;
-mips-*-riscos[56789]*)         # Default MIPS RISC-OS 5.0.
-       tm_file=mips/mips-5.h
-       if test x$stabs = xyes; then
-               tm_file="${tm_file} dbx.h"
-       fi
-       if test x$gas = xyes
-       then    :
-       else
-               extra_passes="mips-tfile mips-tdump"
-       fi
-       if test x$gnu_ld != xyes
-       then
-               use_collect2=yes
-       fi
+mips*el-*-openbsd*)    # mips little endian
+       target_cpu_default="MASK_GAS|MASK_ABICALLS"
        ;;
-mipsel-*-ecoff*)
-       tm_file=mips/ecoffl.h
-       if test x$stabs = xyes; then
-               tm_file="${tm_file} dbx.h"
-       fi
-       tmake_file=mips/t-ecoff
+mips*-*-openbsd*)              # mips big endian
+       target_cpu_default="MASK_GAS|MASK_ABICALLS"
+       tm_file="mips/openbsd-be.h ${tm_file}"
        ;;
-mips-*-ecoff*)
-       tm_file="gofast.h mips/ecoff.h"
+mips-*-ecoff* | mipsel-*-ecoff*)
        if test x$stabs = xyes; then
                tm_file="${tm_file} dbx.h"
        fi
        tmake_file=mips/t-ecoff
        ;;
-mipsisa32-*-elf*)
-       tm_file="mips/isa3264.h mips/abi64.h"
+mipsisa32-*-elf* | mipsisa32el-*-elf*)
+       tm_file="${tm_file} mips/elf.h"
        tmake_file=mips/t-isa3264
-       target_cpu_default="MASK_SOFT_FLOAT"
+       tm_defines="MIPS_ISA_DEFAULT=32 MIPS_ABI_DEFAULT=ABI_EABI"
        ;;
-mipsel-*-elf*)
-       tm_file="mips/elfl.h"
-       tmake_file=mips/t-elf
+mipsisa32r2-*-elf* | mipsisa32r2el-*-elf*)
+       tm_file="${tm_file} mips/elf.h"
+       tmake_file=mips/t-isa3264
+       tm_defines="MIPS_ISA_DEFAULT=33 MIPS_ABI_DEFAULT=ABI_EABI"
        ;;
-mips-*-elf*)
-       tm_file="mips/elf.h"
+mipsisa64-*-elf* | mipsisa64el-*-elf*)
+       tm_file="${tm_file} mips/elf.h"
+       tmake_file=mips/t-isa3264
+       target_cpu_default="MASK_64BIT|MASK_FLOAT64|MASK_GAS"
+       tm_defines="MIPS_ISA_DEFAULT=64 MIPS_ABI_DEFAULT=ABI_MEABI"
+       ;;
+mipsisa64sr71k-*-elf*)
+        tm_file="${tm_file} mips/elf.h"
+        tmake_file=mips/t-sr71k
+       target_cpu_default="MASK_64BIT|MASK_FLOAT64|MASK_GAS"
+       tm_defines="MIPS_ISA_DEFAULT=64 MIPS_CPU_STRING_DEFAULT=\\\"sr71000\\\" MIPS_ABI_DEFAULT=ABI_MEABI"
+        ;;
+mipsisa64sb1-*-elf* | mipsisa64sb1el-*-elf*)
+       tm_file="${tm_file} mips/elf.h"
        tmake_file=mips/t-elf
+       target_cpu_default="MASK_64BIT|MASK_FLOAT64|MASK_GAS"
+       tm_defines="MIPS_ISA_DEFAULT=64 MIPS_CPU_STRING_DEFAULT=\\\"sb1\\\" MIPS_ABI_DEFAULT=ABI_O64"
        ;;
-mips64el-*-elf*)
-       tm_file="mips/elfl64.h"
+mips-*-elf* | mipsel-*-elf*)
+       tm_file="${tm_file} mips/elf.h"
        tmake_file=mips/t-elf
        ;;
-mips64orionel-*-elf*)
-       tm_file="mips/elforion.h mips/elfl64.h"
+mips64-*-elf* | mips64el-*-elf*)
+       tm_file="${tm_file} mips/elf64.h"
        tmake_file=mips/t-elf
+       target_cpu_default="MASK_64BIT|MASK_FLOAT64|MASK_GAS"
+       tm_defines="MIPS_ISA_DEFAULT=3 MIPS_ABI_DEFAULT=ABI_O64"
        ;;
-mips64-*-elf*)
-       tm_file="mips/elf64.h"
+mips64vr-*-elf* | mips64vrel-*-elf*)
+        tm_file="mips/vr.h ${tm_file} mips/elf64.h"
+        tm_defines="MIPS_ABI_DEFAULT=ABI_O64 MIPS_MARCH_CONTROLS_SOFT_FLOAT=1"
+        tmake_file=mips/t-vr
+        ;;
+mips64orion-*-elf* | mips64orionel-*-elf*)
+       tm_file="${tm_file} mips/elforion.h mips/elf64.h"
        tmake_file=mips/t-elf
-       ;;
-mips64orion-*-elf*)
-       tm_file="mips/elforion.h mips/elf64.h"
        tmake_file=mips/t-elf
+       target_cpu_default="MASK_64BIT|MASK_FLOAT64|MASK_GAS"
+       tm_defines="MIPS_ISA_DEFAULT=3 MIPS_ABI_DEFAULT=ABI_O64"
        ;;
 mips64orion-*-rtems*)
        xm_defines=POSIX
-       tm_file="mips/elforion.h mips/elf64.h mips/rtems64.h rtems.h"
+       tm_file="${tm_file} mips/elforion.h mips/elf64.h mips/rtems64.h rtems.h"
        tmake_file="mips/t-elf t-rtems"
+       tmake_file=mips/t-elf
+       target_cpu_default="MASK_64BIT|MASK_FLOAT64|MASK_GAS"
+       tm_defines="MIPS_ISA_DEFAULT=3 MIPS_ABI_DEFAULT=ABI_O64"
        if test x$enable_threads = xyes; then
          thread_file='rtems'
        fi
        ;;
 mips*-*-rtems*)
        xm_defines=POSIX
-       tm_file="mips/elf.h mips/rtems.h rtems.h"
+       tm_file="${tm_file} mips/elf.h mips/rtems.h rtems.h"
        tmake_file="mips/t-elf t-rtems"
        if test x$enable_threads = xyes; then
          thread_file='rtems'
        fi
        ;;
-mipstx39el-*-elf*)
-       tm_file="mips/r3900.h mips/elfl.h mips/abi64.h"
+mipstx39-*-elf* | mipstx39el-*-elf*)
+       tm_file="${tm_file} mips/r3900.h mips/elf.h"
        tmake_file=mips/t-r3900
-       target_cpu_default="MASK_SOFT_FLOAT"
-       ;;
-mipstx39-*-elf*)
-       tm_file="mips/r3900.h mips/elf.h mips/abi64.h"
-       tmake_file=mips/t-r3900
-       ;;
-mips-*-*)                              # Default MIPS RISC-OS 4.0.
-       if test x$stabs = xyes; then
-               tm_file="${tm_file} dbx.h"
-       fi
-       if test x$gas = xyes
-       then    :
-       else
-               extra_passes="mips-tfile mips-tdump"
-       fi
-       if test x$gnu_ld != xyes
-       then
-               use_collect2=yes
-       fi
        ;;
 mmix-knuth-mmixware)
+       need_64bit_hwint=yes
        ;;
 mn10200-*-*)
-       float_format=i32
        tm_file="dbxelf.h elfos.h svr4.h ${tm_file}"
        if test x$stabs = xyes
        then
@@ -2700,42 +1933,14 @@ mn10300-*-*)
        fi
        use_collect2=no
        ;;
-ns32k-encore-bsd*)
-       tm_file=ns32k/encore.h
-       use_collect2=yes
-       ;;
-ns32k-sequent-bsd*)
-       tm_file=ns32k/sequent.h
-       use_collect2=yes
-       ;;
-ns32k-tek6100-bsd*)
-       tm_file=ns32k/tek6100.h
-       use_collect2=yes
-       ;;
-ns32k-tek6200-bsd*)
-       tm_file=ns32k/tek6200.h
-       use_collect2=yes
-       ;;
-ns32k-merlin-*)
-       tm_file=ns32k/merlin.h
-       use_collect2=yes
-       ;;
-ns32k-pc532-mach*)
-       tm_file=ns32k/pc532-mach.h
-       use_collect2=yes
-       ;;
-ns32k-pc532-minix*)
-       tm_file=ns32k/pc532-min.h
-       xm_defines='POSIX HZ=60'
-       use_collect2=yes
-       ;;
 ns32k-*-netbsdelf*)
        echo "GCC does not yet support the ${machine} target"; exit 1
        ;;
 ns32k-*-netbsd*)
-       tm_file=ns32k/netbsd.h
+       tm_file="${tm_file} netbsd.h netbsd-aout.h ns32k/netbsd.h"
        # On NetBSD, the headers are already okay, except for math.h.
-       tmake_file=t-netbsd
+       tmake_file="t-netbsd ns32k/t-ns32k"
+       extra_parts=""
        use_collect2=yes
        ;;
 pdp11-*-bsd)
@@ -2748,74 +1953,51 @@ avr-*-*)
 ns32k-*-openbsd*)
        # Nothing special
        ;;
-pj*-linux*)
-       tm_file="dbxelf.h elfos.h svr4.h pj/linux.h ${tm_file}"
-       ;;
-pj-*)
-       ;;
-pjl-*)
-       tm_file="dbxelf.h elfos.h svr4.h pj/pjl.h ${tm_file}"
-       ;;
-
-romp-*-aos*)
-       use_collect2=yes
-       ;;
-romp-*-mach*)
-       use_collect2=yes
-       ;;
 romp-*-openbsd*)
        # Nothing special
        ;;
 powerpc-*-openbsd*)
-       tmake_file="${tmake_file} rs6000/t-rs6000 rs6000/t-openbsd"
+       tmake_file="${tmake_file} rs6000/t-fprules rs6000/t-openbsd"
        extra_headers=
        ;;
 powerpc64-*-linux*)
        tm_file="${tm_file} dbxelf.h elfos.h svr4.h freebsd-spec.h rs6000/sysv4.h rs6000/linux64.h"
-       out_file=rs6000/rs6000.c
-       tmake_file="rs6000/t-rs6000 t-slibgcc-elf-ver t-linux rs6000/t-linux64"
+       tmake_file="rs6000/t-fprules t-slibgcc-elf-ver t-linux rs6000/t-linux64"
        ;;
 powerpc64-*-gnu*)
        tm_file="${cpu_type}/${cpu_type}.h elfos.h svr4.h freebsd-spec.h gnu.h rs6000/sysv4.h rs6000/linux64.h rs6000/gnu.h"
-       out_file=rs6000/rs6000.c
-       tmake_file="rs6000/t-rs6000 t-slibgcc-elf-ver t-gnu rs6000/t-linux64"
+       tmake_file="rs6000/t-fprules t-slibgcc-elf-ver t-gnu rs6000/t-linux64"
        ;;
 powerpc-*-beos*)
        tm_file="${tm_file} rs6000/aix.h rs6000/beos.h rs6000/xcoff.h"
        xm_defines=POSIX
-       tmake_file=rs6000/t-beos
+       tmake_file="rs6000/t-fprules rs6000/t-beos"
        extra_headers=
        ;;
 powerpc-*-darwin*)
-       tm_file="${tm_file} darwin.h rs6000/darwin.h"
-       tm_p_file="${tm_p_file} darwin-protos.h"
-       tmake_file=rs6000/t-darwin
-       extra_objs="darwin.o"
-       c_target_objs="darwin-c.o"
-       cxx_target_objs="darwin-c.o"
-       # Darwin linker does collect2 functionality
-       use_collect2=no
+       tm_file="${tm_file} rs6000/darwin.h"
+       tmake_file="rs6000/t-fprules t-darwin rs6000/t-darwin"
        extra_headers=altivec.h
+       # override ppc default
+       need_64bit_hwint=
        ;;
 powerpc*-*-freebsd*)
        tm_file="${tm_file} dbxelf.h elfos.h ${fbsd_tm_file} rs6000/sysv4.h rs6000/freebsd.h"
-       xm_file=rs6000/xm-sysv4.h
-       out_file=rs6000/rs6000.c
-       tmake_file="rs6000/t-ppcos ${tmake_file} rs6000/t-ppccomm"
+       tmake_file="rs6000/t-fprules rs6000/t-ppcos ${tmake_file} rs6000/t-ppccomm"
        ;;
 powerpc-*-sysv*)
        tm_file="${tm_file} dbxelf.h elfos.h svr4.h freebsd-spec.h rs6000/sysv4.h"
        xm_defines=POSIX
-       tmake_file="rs6000/t-ppcos rs6000/t-ppccomm"
+       tmake_file="rs6000/t-fprules rs6000/t-ppcos rs6000/t-ppccomm"
        ;;
 powerpc-*-netbsd*)
-       tm_file="${tm_file} dbxelf.h elfos.h svr4.h freebsd-spec.h rs6000/sysv4.h rs6000/netbsd.h"
-       tmake_file="rs6000/t-ppcos rs6000/t-ppccomm"
+       tm_file="${tm_file} dbxelf.h elfos.h netbsd.h netbsd-elf.h freebsd-spec.h rs6000/sysv4.h rs6000/netbsd.h"
+       tmake_file="${tmake_file} rs6000/t-netbsd"
        ;;
 powerpc-*-chorusos*)
        xm_defines=POSIX
        tm_file="${tm_file} dbxelf.h elfos.h svr4.h freebsd-spec.h rs6000/sysv4.h chorus.h"
-       tmake_file="rs6000/t-ppcos rs6000/t-ppccomm"
+       tmake_file="rs6000/t-fprules rs6000/t-ppcos rs6000/t-ppccomm"
        case x${enable_threads} in
          xyes | xpthreads | xposix)
                thread_file='posix'
@@ -2825,132 +2007,125 @@ powerpc-*-chorusos*)
 powerpc-*-eabiaix*)
        xm_defines=POSIX
        tm_file="${tm_file} dbxelf.h elfos.h svr4.h freebsd-spec.h rs6000/sysv4.h rs6000/eabi.h rs6000/eabiaix.h"
-       tmake_file="rs6000/t-ppcgas rs6000/t-ppccomm"
+       tmake_file="rs6000/t-fprules rs6000/t-ppcgas rs6000/t-ppccomm"
+       ;;
+powerpc-*-eabispe*)
+       xm_defines=POSIX
+       tm_file="${tm_file} dbxelf.h elfos.h svr4.h freebsd-spec.h rs6000/sysv4.h rs6000/eabi.h rs6000/eabispe.h"
+       tmake_file="rs6000/t-fprules rs6000/t-ppcendian rs6000/t-ppccomm"
        ;;
 powerpc-*-eabisimaltivec*)
        xm_defines=POSIX
        tm_file="${tm_file} dbxelf.h elfos.h svr4.h freebsd-spec.h rs6000/sysv4.h rs6000/eabi.h rs6000/eabisim.h rs6000/eabialtivec.h"
-       tmake_file="rs6000/t-ppcendian rs6000/t-ppccomm"
+       tmake_file="rs6000/t-fprules rs6000/t-ppcendian rs6000/t-ppccomm"
        ;;
 powerpc-*-eabisim*)
        xm_defines=POSIX
        tm_file="${tm_file} dbxelf.h elfos.h svr4.h freebsd-spec.h rs6000/sysv4.h rs6000/eabi.h rs6000/eabisim.h"
-       tmake_file="rs6000/t-ppcgas rs6000/t-ppccomm"
+       tmake_file="rs6000/t-fprules rs6000/t-ppcgas rs6000/t-ppccomm"
        ;;
 powerpc-*-elf*)
        xm_defines=POSIX
        tm_file="${tm_file} dbxelf.h elfos.h svr4.h freebsd-spec.h rs6000/sysv4.h"
-       tmake_file="rs6000/t-ppcgas rs6000/t-ppccomm"
+       tmake_file="rs6000/t-fprules rs6000/t-ppcgas rs6000/t-ppccomm"
        ;;
 powerpc-*-eabialtivec*)
        xm_defines=POSIX
        tm_file="${tm_file} dbxelf.h elfos.h svr4.h freebsd-spec.h rs6000/sysv4.h rs6000/eabi.h rs6000/eabialtivec.h"
-       tmake_file="rs6000/t-ppcendian rs6000/t-ppccomm"
+       tmake_file="rs6000/t-fprules rs6000/t-ppcendian rs6000/t-ppccomm"
        ;;
 powerpc-*-eabi*)
        xm_defines=POSIX
        tm_file="${tm_file} dbxelf.h elfos.h svr4.h freebsd-spec.h rs6000/sysv4.h rs6000/eabi.h"
-       tmake_file="rs6000/t-ppcgas rs6000/t-ppccomm"
+       tmake_file="rs6000/t-fprules rs6000/t-ppcgas rs6000/t-ppccomm"
        ;;
 powerpc-*-rtems*)
        xm_defines=POSIX
        tm_file="${tm_file} dbxelf.h elfos.h svr4.h freebsd-spec.h rs6000/sysv4.h rs6000/eabi.h rs6000/rtems.h rtems.h"
-       tmake_file="rs6000/t-ppcgas t-rtems rs6000/t-ppccomm"
+       tmake_file="rs6000/t-fprules rs6000/t-ppcgas t-rtems rs6000/t-ppccomm"
        if test x$enable_threads = xyes; then
          thread_file='rtems'
        fi
        ;;
 powerpc-*-linux*libc1)
        tm_file="${tm_file} dbxelf.h elfos.h svr4.h freebsd-spec.h rs6000/sysv4.h rs6000/linux.h"
-       out_file=rs6000/rs6000.c
-       tmake_file="rs6000/t-ppcos t-slibgcc-elf-ver t-linux t-linux-gnulibc1 rs6000/t-ppccomm"
+       tmake_file="rs6000/t-fprules rs6000/t-ppcos t-slibgcc-elf-ver t-linux t-linux-gnulibc1 rs6000/t-ppccomm"
        if test x$enable_threads = xyes; then
                thread_file='posix'
        fi
        ;;
 powerpc-*-linux-gnualtivec*)
        tm_file="${tm_file} dbxelf.h elfos.h svr4.h freebsd-spec.h rs6000/sysv4.h rs6000/linux.h rs6000/linuxaltivec.h"
-       out_file=rs6000/rs6000.c
-       tmake_file="rs6000/t-ppcos t-slibgcc-elf-ver t-linux rs6000/t-ppccomm"
-       if test x$enable_threads = xyes; then
-               thread_file='posix'
-       fi
+       tmake_file="rs6000/t-fprules rs6000/t-ppcos t-slibgcc-elf-ver t-linux rs6000/t-ppccomm"
        ;;
 powerpc-*-linux*)
        tm_file="${tm_file} dbxelf.h elfos.h svr4.h freebsd-spec.h rs6000/sysv4.h rs6000/linux.h"
-       out_file=rs6000/rs6000.c
-       tmake_file="rs6000/t-ppcos t-slibgcc-elf-ver t-linux rs6000/t-ppccomm"
-       if test x$enable_threads = xyes; then
-               thread_file='posix'
-       fi
+       tmake_file="rs6000/t-fprules rs6000/t-ppcos t-slibgcc-elf-ver t-linux rs6000/t-ppccomm"
        ;;
 powerpc-*-gnu-gnualtivec*)
        tm_file="${cpu_type}/${cpu_type}.h elfos.h svr4.h freebsd-spec.h gnu.h rs6000/sysv4.h rs6000/linux.h rs6000/linuxaltivec.h rs6000/gnu.h"
-       out_file=rs6000/rs6000.c
-       tmake_file="rs6000/t-ppcos t-slibgcc-elf-ver t-gnu rs6000/t-ppccomm"
+       tmake_file="rs6000/t-fprules rs6000/t-ppcos t-slibgcc-elf-ver t-gnu rs6000/t-ppccomm"
        if test x$enable_threads = xyes; then
                thread_file='posix'
        fi
        ;;
 powerpc-*-gnu*)
        tm_file="${cpu_type}/${cpu_type}.h elfos.h svr4.h freebsd-spec.h gnu.h rs6000/sysv4.h rs6000/linux.h rs6000/gnu.h"
-       out_file=rs6000/rs6000.c
-       tmake_file="rs6000/t-ppcos t-slibgcc-elf-ver t-gnu rs6000/t-ppccomm"
+       tmake_file="rs6000/t-fprules rs6000/t-ppcos t-slibgcc-elf-ver t-gnu rs6000/t-ppccomm"
        if test x$enable_threads = xyes; then
                thread_file='posix'
        fi
        ;;
 powerpc-wrs-vxworks*)
-       xm_defines=POSIX
-        tm_file="${tm_file} dbxelf.h elfos.h svr4.h freebsd-spec.h rs6000/sysv4.h rs6000/vxppc.h"
-        tmake_file="rs6000/t-ppcgas rs6000/t-ppccomm"
-       thread_file='vxworks'
-        ;;
-powerpcle-wrs-vxworks*)
-       xm_defines=POSIX
-        tm_file="${tm_file} dbxelf.h elfos.h svr4.h freebsd-spec.h rs6000/sysv4.h rs6000/sysv4le.h rs6000/vxppc.h"
-        tmake_file="rs6000/t-ppcgas rs6000/t-ppccomm"
-       thread_file='vxworks'
+       # We want vxworks.h after rs6000/sysv4.h, which unfortunately
+       # means we have to redo the tm_file list from scratch.
+       tm_file="rs6000/rs6000.h elfos.h svr4.h freebsd-spec.h rs6000/sysv4.h"
+       tm_file="${tm_file} vxworks.h rs6000/vxworks.h"
+       tmake_file="${tmake_file} rs6000/t-fprules rs6000/t-ppccomm rs6000/t-vxworks"
+       extra_headers=ppc-asm.h
+       ;;
+powerpc-wrs-windiss*)
+        xm_defines=POSIX
+       tm_file="${tm_file} elfos.h svr4.h freebsd-spec.h rs6000/sysv4.h rs6000/windiss.h"
+        tmake_file="rs6000/t-fprules rs6000/t-ppcgas rs6000/t-ppccomm"
+        thread_file=""
         ;;
 powerpcle-*-sysv*)
        tm_file="${tm_file} dbxelf.h elfos.h svr4.h freebsd-spec.h rs6000/sysv4.h rs6000/sysv4le.h"
        xm_defines=POSIX
-       tmake_file="rs6000/t-ppcos rs6000/t-ppccomm"
+       tmake_file="rs6000/t-fprules rs6000/t-ppcos rs6000/t-ppccomm"
        ;;
 powerpcle-*-elf*)
        xm_defines=POSIX
        tm_file="${tm_file} dbxelf.h elfos.h svr4.h freebsd-spec.h rs6000/sysv4.h rs6000/sysv4le.h"
-       tmake_file="rs6000/t-ppcgas rs6000/t-ppccomm"
+       tmake_file="rs6000/t-fprules rs6000/t-ppcgas rs6000/t-ppccomm"
        ;;
 powerpcle-*-eabisim*)
        xm_defines=POSIX
        tm_file="${tm_file} dbxelf.h elfos.h svr4.h freebsd-spec.h rs6000/sysv4.h rs6000/sysv4le.h rs6000/eabi.h rs6000/eabisim.h"
-       tmake_file="rs6000/t-ppcgas rs6000/t-ppccomm"
+       tmake_file="rs6000/t-fprules rs6000/t-ppcgas rs6000/t-ppccomm"
        ;;
 powerpcle-*-eabi*)
        xm_defines=POSIX
        tm_file="${tm_file} dbxelf.h elfos.h svr4.h freebsd-spec.h rs6000/sysv4.h rs6000/sysv4le.h rs6000/eabi.h"
-       tmake_file="rs6000/t-ppcgas rs6000/t-ppccomm"
+       tmake_file="rs6000/t-fprules rs6000/t-ppcgas rs6000/t-ppccomm"
        ;;
 rs6000-ibm-aix3.[01]*)
        xm_defines=POSIX
        tm_file="${tm_file} rs6000/aix.h rs6000/aix31.h rs6000/xcoff.h"
-       float_format=none
        use_collect2=yes
        ;;
 rs6000-ibm-aix3.2.[456789]* | powerpc-ibm-aix3.2.[456789]*)
        xm_defines=POSIX
        tm_file="${tm_file} rs6000/aix.h rs6000/aix3newas.h rs6000/xcoff.h"
-       tmake_file=rs6000/t-newas
-       float_format=none
+       tmake_file="rs6000/t-fprules rs6000/t-newas"
        use_collect2=yes
        extra_headers=
        ;;
 rs6000-ibm-aix4.[12]* | powerpc-ibm-aix4.[12]*)
        xm_defines=POSIX
        tm_file="${tm_file} rs6000/aix.h rs6000/aix41.h rs6000/xcoff.h"
-       tmake_file=rs6000/t-newas
-       float_format=none
+       tmake_file="rs6000/t-fprules rs6000/t-newas"
        use_collect2=yes
        extra_headers=
        ;;
@@ -2958,16 +2133,22 @@ rs6000-ibm-aix4.[3456789]* | powerpc-ibm-aix4.[3456789]*)
        xm_defines=POSIX
        tm_file="${tm_file} rs6000/aix.h rs6000/aix43.h rs6000/xcoff.h"
        tmake_file=rs6000/t-aix43
-       float_format=none
        use_collect2=yes
        thread_file='aix'
        extra_headers=
        ;;
-rs6000-ibm-aix[56789].* | powerpc-ibm-aix[56789].*)
+rs6000-ibm-aix5.1.* | powerpc-ibm-aix5.1.*)
        xm_defines=POSIX
        tm_file="${tm_file} rs6000/aix.h rs6000/aix51.h rs6000/xcoff.h"
        tmake_file=rs6000/t-aix43
-       float_format=none
+       use_collect2=yes
+       thread_file='aix'
+       extra_headers=
+       ;;
+rs6000-ibm-aix[56789].* | powerpc-ibm-aix[56789].*)
+       xm_defines=POSIX
+       tm_file="${tm_file} rs6000/aix.h rs6000/aix52.h rs6000/xcoff.h"
+       tmake_file=rs6000/t-aix52
        use_collect2=yes
        thread_file='aix'
        extra_headers=
@@ -2975,13 +2156,11 @@ rs6000-ibm-aix[56789].* | powerpc-ibm-aix[56789].*)
 rs6000-ibm-aix*)
        xm_defines=POSIX
        tm_file="${tm_file} rs6000/aix.h rs6000/xcoff.h"
-       float_format=none
        use_collect2=yes
        ;;
 rs6000-bull-bosx)
        xm_defines=POSIX
        tm_file="${tm_file} rs6000/aix.h rs6000/xcoff.h"
-       float_format=none
        use_collect2=yes
        ;;
 rs6000-*-mach*)
@@ -2991,48 +2170,51 @@ rs6000-*-mach*)
        ;;
 rs6000-*-lynxos*)
        tm_file="lynx.h rs6000/lynx.h"
-       tmake_file=rs6000/t-rs6000
+       tmake_file=rs6000/t-fprules
        use_collect2=yes
        ;;
 s390-*-linux*)
        tm_file="s390/s390.h dbxelf.h elfos.h svr4.h linux.h s390/linux.h"
-       tmake_file="t-slibgcc-elf-ver t-linux s390/t-linux"
-       extra_parts="crtbegin.o crtend.o crtbeginS.o crtendS.o crtbeginT.o"
-       if test x$enable_threads = xyes; then
-               thread_file='posix'
-       fi
+       tmake_file="t-slibgcc-elf-ver t-linux s390/t-crtstuff"
        ;;
 s390x-*-linux*)
        tm_file="s390/s390x.h s390/s390.h dbxelf.h elfos.h svr4.h linux.h s390/linux.h"
        tm_p_file=s390/s390-protos.h
        md_file=s390/s390.md
+       extra_modes=s390/s390-modes.def
        out_file=s390/s390.c
-       tmake_file="t-slibgcc-elf-ver t-linux s390/t-linux s390/t-linux64"
-       extra_parts="crtbegin.o crtend.o crtbeginS.o crtendS.o crtbeginT.o"
-       if test x$enable_threads = xyes; then
-               thread_file='posix'
-       fi
+       tmake_file="t-slibgcc-elf-ver t-linux s390/t-crtstuff s390/t-linux64"
        ;;
-sh-*-elf*)
+sh-*-elf* | sh[2346l]*-*-elf*)
        tmake_file="sh/t-sh sh/t-elf"
-       tm_file="${tm_file} sh/embed-elf.h"
-       float_format=sh
-       ;;
-sh64-*-elf*)
-       tmake_file="sh/t-sh sh/t-elf sh/t-sh64"
-       tm_file="${tm_file} sh/sh.h sh/embed-elf.h sh/sh64.h"
-       float_format=sh
-       extra_headers="../../config/sh/shmedia.h ../../config/sh/ushmedia.h ../../config/sh/sshmedia.h"
-       # Not strictly necessary to check this, but a good idea anyway.
-       if test $machine = $target; then
-               target_requires_64bit_host_wide_int=yes
-       fi
+       case $machine in
+       shl* | sh64l*)
+               tm_file="sh/little.h ${tm_file}"
+               tmake_file="${tmake_file} sh/t-le"
+               ;;
+       esac
+       tm_file="${tm_file} dbxelf.h elfos.h svr4.h sh/embed-elf.h"
+       case $machine in
+       sh64*)
+               tmake_file="${tmake_file} sh/t-sh64"
+               tm_file="${tm_file} sh/sh64.h"
+               extra_headers="shmedia.h ushmedia.h sshmedia.h"
+               ;;
+       sh4_single*)  target_cpu_default="SELECT_SH4_SINGLE" ;;
+       sh4*)  target_cpu_default="SELECT_SH4" ;;
+       sh3e*) target_cpu_default="SELECT_SH3E" ;;
+       sh3*)  target_cpu_default="SELECT_SH3" ;;
+       sh2e*) target_cpu_default="SELECT_SH2E" ;;
+       sh2*)  target_cpu_default="SELECT_SH2" ;;
+       esac
+       case $machine in
+       sh[234]*) tmake_file="${tmake_file} sh/t-monolib" ;;
+       esac
        ;;
 sh-*-rtemself*)
        xm_defines=POSIX
        tmake_file="sh/t-sh sh/t-elf t-rtems"
-       tm_file="${tm_file} sh/embed-elf.h sh/rtemself.h rtems.h"
-       float_format=sh
+       tm_file="${tm_file} dbxelf.h elfos.h svr4.h sh/embed-elf.h sh/rtemself.h rtems.h"
        if test x$enable_threads = xyes; then
          thread_file='rtems'
        fi
@@ -3040,39 +2222,80 @@ sh-*-rtemself*)
 sh-*-rtems*)
        xm_defines=POSIX
        tmake_file="sh/t-sh t-rtems"
-       tm_file="${tm_file} sh/rtems.h rtems.h"
-       float_format=sh
+       tm_file="${tm_file} sh/coff.h sh/rtems.h rtems.h"
        if test x$enable_threads = xyes; then
          thread_file='rtems'
        fi
        ;;
-sh-*-linux*)
-       tm_file="${tm_file} sh/elf.h sh/linux.h"
-       tmake_file="sh/t-sh sh/t-elf sh/t-linux"
-       gas=yes gnu_ld=yes
-       if test x$enable_threads = xyes; then
-               thread_file='posix'
-       fi
-       float_format=sh
+sh-*-linux* | sh[2346lbe]*-*-linux*)
+       tmake_file="sh/t-sh sh/t-elf t-slibgcc-elf-ver t-linux sh/t-linux"
+       case $machine in
+       sh*be-*-* | sh*eb-*-*) ;;
+       *)
+               tm_file="sh/little.h ${tm_file}"
+               tmake_file="${tmake_file} sh/t-le"
+               ;;
+       esac
+       tm_file="${tm_file} dbxelf.h elfos.h svr4.h sh/elf.h sh/linux.h"
+       case $machine in
+       sh64*)
+               tmake_file="${tmake_file} sh/t-sh64"
+               tm_file="${tm_file} sh/sh64.h"
+               extra_headers="shmedia.h ushmedia.h sshmedia.h"
+               ;;
+       sh4_single*) target_cpu_default="SELECT_SH4_SINGLE" ;;
+       sh4*) target_cpu_default="SELECT_SH4" ;;
+       sh3e[lb]e*) target_cpu_default="SELECT_SH3E" ;;
+       sh3e[lb]*) target_cpu_default="SELECT_SH3" ;;
+       sh3e*) target_cpu_default="SELECT_SH3E" ;;
+       sh3*) target_cpu_default="SELECT_SH3" ;;
+       sh2e[lb]e*) target_cpu_default="SELECT_SH2E" ;;
+       sh2e[lb]*) target_cpu_default="SELECT_SH2" ;;
+       sh2e*) target_cpu_default="SELECT_SH2E" ;;
+       sh2*) target_cpu_default="SELECT_SH2" ;;
+       esac
+       case $machine in
+       sh[234]*) tmake_file="${tmake_file} sh/t-monolib" ;;
+       esac
+       ;;
+sh-*-netbsdelf* | shl*-*-netbsdelf* | sh5-*-netbsd* | sh5l*-*-netbsd* | \
+  sh64-*-netbsd* | sh64l*-*-netbsd*)
+       tm_file="${tm_file} dbxelf.h elfos.h sh/elf.h netbsd.h netbsd-elf.h sh/netbsd-elf.h"
+       tmake_file="${tmake_file} sh/t-sh sh/t-elf"
+       case $machine in
+       sh*l*-*)
+               tm_file="sh/little.h ${tm_file}"
+               tmake_file="${tmake_file} sh/t-le"
+               ;;
+       *)
+               tmake_file="${tmake_file} sh/t-be"
+               ;;
+       esac
+       case $machine in
+       sh5*-*)
+               # SHmedia, 32-bit ABI
+               target_cpu_default="SH5_BIT|SH4_BIT|SH3_BIT|SH_E_BIT"
+               tmake_file="${tmake_file} sh/t-sh64 sh/t-netbsd-sh5"
+               ;;
+       sh64*-*)
+               # SHmedia, 64-bit ABI
+               target_cpu_default="SH5_BIT|SH4_BIT"
+               tmake_file="${tmake_file} sh/t-sh64 sh/t-netbsd-sh5 sh/t-netbsd-sh5-64"
+               ;;
+       *)
+               # SH3, software floating point
+               target_cpu_default="SH1_BIT|SH2_BIT|SH3_BIT"
+               tmake_file="${tmake_file} sh/t-netbsd"
+               ;;
+       esac
        ;;
 sh-*-*)
-       float_format=sh
+       tm_file="${tm_file} sh/coff.h"
        ;;
 sparc-tti-*)
        tm_file="${tm_file} sparc/pbd.h"
        xm_defines=POSIX
        ;;
-sparc64-wrs-vxworks*)
-        tm_file="${tm_file} dbxelf.h elfos.h svr4.h sparc/sysv4.h sparc/sol2.h sparc/elf.h sparc/biarch64.h gofast.h sparc/vxsparc64.h"
-        tmake_file="sparc/t-vxsparc64 sparc/t-crtfm"
-        use_collect2=yes
-        ;;
-sparc-wrs-vxworks* | sparclite-wrs-vxworks*)
-       tm_file="${tm_file} aoutos.h sparc/aout.h gofast.h sparc/vxsparc.h"
-       tmake_file=sparc/t-vxsparc
-       use_collect2=yes
-       thread_file='vxworks'
-       ;;
 sparc-*-aout*)
        tmake_file=sparc/t-sparcbare
        tm_file="sparc/sparc.h aoutos.h sparc/aout.h libgloss.h"
@@ -3083,6 +2306,7 @@ sparc-*-netbsdelf*)
 sparc-*-netbsd*)
        tm_file="${tm_file} sparc/aout.h netbsd.h netbsd-aout.h sparc/netbsd.h"
        tmake_file=t-netbsd
+       extra_parts=""
        use_collect2=yes
        ;;
 sparc-*-openbsd*)
@@ -3092,14 +2316,18 @@ sparc-*-openbsd*)
        # we need collect2 until our bug is fixed...
        use_collect2=yes
        ;;
+sparc64-*-openbsd*)
+       tm_file="sparc/openbsd1-64.h sparc/sparc.h elfos.h svr4.h sparc/sysv4.h sparc/sol2.h sparc/sp64-elf.h openbsd.h sparc/openbsd64.h"
+       gas=yes gnu_ld=yes
+       with_cpu=ultrasparc
+       ;;
 sparc-*-bsd*)
        tm_file="${tm_file} sparc/bsd.h"
        ;;
 sparc-*-chorusos*)
-       tm_file="${tm_file} dbxelf.h elfos.h svr4.h sparc/sysv4.h sparc/sol2.h sparc/elf.h chorus.h"
+       tm_file="${tm_file} dbxelf.h elfos.h svr4.h sparc/sysv4.h sol2.h sparc/sol2.h sparc/elf.h chorus.h"
        tmake_file="sparc/t-chorus-elf sparc/t-crtfm"
        extra_parts="crti.o crtn.o crtbegin.o crtend.o"
-       float_format=i64
        case x${enable_threads} in
          xyes | xpthreads | xposix)
                thread_file='posix'
@@ -3107,32 +2335,23 @@ sparc-*-chorusos*)
        esac
        ;;
 sparc-*-elf*)
-       tm_file="${tm_file} dbxelf.h elfos.h svr4.h sparc/sysv4.h sparc/sol2.h sparc/elf.h"
+       tm_file="${tm_file} dbxelf.h elfos.h svr4.h sparc/sysv4.h sol2.h sparc/sol2.h sparc/elf.h"
        tmake_file="sparc/t-elf sparc/t-crtfm"
        extra_parts="crti.o crtn.o crtbegin.o crtend.o"
-       #float_format=i128
-       float_format=i64
        ;;
-sparc-*-linux*aout*)           # Sparc's running GNU/Linux, a.out
+sparc-*-linux*aout*)           # SPARC's running GNU/Linux, a.out
        tm_file="aoutos.h sparc/sparc.h sparc/aout.h sparc/linux-aout.h"
        gnu_ld=yes
        ;;
-sparc-*-linux*libc1*)  # Sparc's running GNU/Linux, libc5
+sparc-*-linux*libc1*)  # SPARC's running GNU/Linux, libc5
        tm_file="${tm_file} dbxelf.h elfos.h svr4.h sparc/sysv4.h sparc/linux.h"
        tmake_file="t-slibgcc-elf-ver t-linux t-linux-gnulibc1 sparc/t-crtfm"
        extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
        gnu_ld=yes
-       float_format=sparc
        ;;
-sparc-*-linux*)                # Sparc's running GNU/Linux, libc6
+sparc-*-linux*)                # SPARC's running GNU/Linux, libc6
        tm_file="${tm_file} dbxelf.h elfos.h svr4.h sparc/sysv4.h sparc/linux.h"
        tmake_file="t-slibgcc-elf-ver t-linux sparc/t-crtfm"
-       extra_parts="crtbegin.o crtbeginS.o crtbeginT.o crtend.o crtendS.o"
-       gnu_ld=yes
-       if test x$enable_threads = xyes; then
-               thread_file='posix'
-       fi
-       float_format=sparc
        ;;
 sparc-*-lynxos*)
        if test x$gas = xyes
@@ -3143,27 +2362,21 @@ sparc-*-lynxos*)
        fi
        tmake_file=sparc/t-sunos41
        ;;
-sparc-*-rtemsaout*)
-       xm_defines=POSIX
-       tmake_file="sparc/t-sparcbare t-rtems"
-       tm_file="${tm_file} aoutos.h sparc/aout.h sparc/rtems.h rtems.h"
-       if test x$enable_threads = xyes; then
-         thread_file='rtems'
-       fi
+sparc-*-rtemsaout*)    # would otherwise be caught by sparc-*-rtems*
+       echo "*** Configuration $machine not supported" 1>&2
+       exit 1
        ;;
-sparc-*-rtems*|sparc-*-rtemself*)
+sparc-*-rtems*)
        xm_defines=POSIX
-       tm_file="${tm_file} dbxelf.h elfos.h svr4.h sparc/sysv4.h sparc/sol2.h sparc/elf.h sparc/rtemself.h rtems.h"
+       tm_file="${tm_file} dbxelf.h elfos.h svr4.h sparc/sysv4.h sol2.h sparc/sol2.h sparc/elf.h sparc/rtemself.h rtems.h"
        tmake_file="sparc/t-elf sparc/t-crtfm t-rtems"
        extra_parts="crti.o crtn.o crtbegin.o crtend.o"
-       #float_format=i128
-       float_format=i64
        if test x$enable_threads = xyes; then
          thread_file='rtems'
        fi
        ;;
 sparc64-*-solaris2* | sparcv9-*-solaris2*)
-       tm_file="sparc/biarch64.h ${tm_file} dbxelf.h elfos.h svr4.h sparc/sysv4.h sparc/sol2.h sparc/sol2-64.h sparc/sol2-bi.h"
+       tm_file="sparc/biarch64.h ${tm_file} dbxelf.h elfos.h svr4.h sparc/sysv4.h sol2.h sparc/sol2.h sparc/sol2-64.h sparc/sol2-bi.h"
        if test x$gnu_ld = xyes; then
                tm_file="${tm_file} sparc/sol2-gld.h sparc/sol2-gld-bi.h"
        fi
@@ -3178,7 +2391,6 @@ sparc64-*-solaris2* | sparcv9-*-solaris2*)
                tmake_file="$tmake_file t-slibgcc-sld"
        fi
        extra_parts="crt1.o crti.o crtn.o gcrt1.o crtbegin.o crtend.o"
-       float_format=i128
        if test x${enable_threads} = x ; then
            enable_threads=$have_pthread_h
            if test x${enable_threads} = x ; then
@@ -3192,10 +2404,11 @@ sparc64-*-solaris2* | sparcv9-*-solaris2*)
                thread_file='solaris'
            fi
        fi
+       need_64bit_hwint=yes
        ;;
 sparc-hal-solaris2*)
         xm_defines=POSIX
-        tm_file="${tm_file} dbxelf.h elfos.h svr4.h sparc/sysv4.h sparc/sol2.h sparc/hal.h"
+        tm_file="${tm_file} dbxelf.h elfos.h svr4.h sparc/sysv4.h sol2.h sparc/sol2.h sparc/hal.h"
         tmake_file="sparc/t-halos sparc/t-sol2 sparc/t-crtfm"
        if test x$gnu_ld = xyes; then
                tm_file="${tm_file} sparc/sol2-gld.h"
@@ -3204,11 +2417,10 @@ sparc-hal-solaris2*)
                tmake_file="$tmake_file t-slibgcc-sld"
        fi
         extra_parts="crt1.o crti.o crtn.o gmon.o crtbegin.o crtend.o"
-       float_format=i128
        thread_file='solaris'
         ;;
 sparc-*-solaris2*)
-       tm_file="${tm_file} dbxelf.h elfos.h svr4.h sparc/sysv4.h sparc/sol2.h"
+       tm_file="${tm_file} dbxelf.h elfos.h svr4.h sparc/sysv4.h sol2.h sparc/sol2.h"
        if test x$gnu_ld = xyes; then
                tm_file="${tm_file} sparc/sol2-gld.h"
        fi
@@ -3233,11 +2445,11 @@ sparc-*-solaris2*)
                        tm_file="${tm_file} sparc/sol2-gas-bi.h"
                fi
                tmake_file="$tmake_file sparc/t-sol2-64"
+               need_64bit_hwint=yes
                ;;
        esac
        xm_defines=POSIX
        extra_parts="crt1.o crti.o crtn.o gcrt1.o gmon.o crtbegin.o crtend.o"
-       float_format=i128
        if test x${enable_threads} = x; then
            enable_threads=$have_pthread_h
            if test x${enable_threads} = x; then
@@ -3274,11 +2486,6 @@ sparc-*-sysv4*)
        tmake_file=t-svr4
        extra_parts="crtbegin.o crtend.o"
        ;;
-sparc-*-vxsim*)
-       xm_defines=POSIX
-       tm_file="${tm_file} dbxelf.h elfos.h svr4.h sparc/sysv4.h sparc/vxsim.h"
-       tmake_file=sparc/t-vxsparc
-       ;;
 sparclet-*-aout*)
        tm_file="${tm_file} aoutos.h sparc/aout.h sparc/splet.h libgloss.h"
        tmake_file=sparc/t-splet
@@ -3292,7 +2499,7 @@ sparclite-*-aout*)
        tmake_file=sparc/t-sparclite
        ;;
 sparclite-*-elf*)
-       tm_file="${tm_file} dbxelf.h elfos.h svr4.h sparc/sysv4.h sparc/sol2.h sparc/elf.h gofast.h sparc/liteelf.h"
+       tm_file="${tm_file} dbxelf.h elfos.h svr4.h sparc/sysv4.h sol2.h sparc/sol2.h sparc/elf.h gofast.h sparc/liteelf.h"
        tmake_file="sparc/t-sparclite sparc/t-crtfm"
         extra_parts="crtbegin.o crtend.o"
        ;;
@@ -3301,7 +2508,7 @@ sparc86x-*-aout*)
        tmake_file=sparc/t-sp86x
        ;;
 sparc86x-*-elf*)
-       tm_file="${tm_file} dbxelf.h elfos.h svr4.h sparc/sysv4.h sparc/sol2.h sparc/elf.h gofast.h sparc/sp86x-elf.h"
+       tm_file="${tm_file} dbxelf.h elfos.h svr4.h sparc/sysv4.h sol2.h sparc/sol2.h sparc/elf.h gofast.h sparc/sp86x-elf.h"
        tmake_file="sparc/t-sp86x sparc/t-crtfm"
         extra_parts="crtbegin.o crtend.o"
        ;;
@@ -3309,7 +2516,7 @@ sparc64-*-aout*)
        tm_file="sparc/sparc.h aoutos.h sparc/aout.h sparc/sp64-aout.h"
        ;;
 sparc64-*-elf*)
-       tm_file="${tm_file} dbxelf.h elfos.h svr4.h sparc/sysv4.h sparc/sol2.h sparc/sp64-elf.h"
+       tm_file="${tm_file} dbxelf.h elfos.h svr4.h sparc/sysv4.h sol2.h sparc/sol2.h sparc/sp64-elf.h"
        tmake_file="${tmake_file} sparc/t-crtfm"
        extra_parts="crtbegin.o crtend.o"
        ;;
@@ -3322,40 +2529,37 @@ sparc64-*-freebsd*|ultrasparc-*-freebsd*)
                x) with_cpu=ultrasparc ;;
                *) echo "$with_cpu not supported for freebsd target"; exit 1 ;;
        esac
+       need_64bit_hwint=yes
        ;;
-sparc64-*-linux*)              # 64-bit Sparc's running GNU/Linux
+sparc64-*-linux*)              # 64-bit SPARC's running GNU/Linux
        tmake_file="t-slibgcc-elf-ver t-linux sparc/t-linux64 sparc/t-crtfm"
        tm_file="sparc/biarch64.h ${tm_file} dbxelf.h elfos.h svr4.h sparc/sysv4.h sparc/linux64.h"
-       extra_parts="crtbegin.o crtbeginS.o crtbeginT.o crtend.o crtendS.o"
-       gnu_ld=yes
-       if test x$enable_threads = xyes; then
-               thread_file='posix'
-       fi
-       float_format=sparc
        ;;
 sparc64-*-netbsd*)
        tmake_file="${tmake_file} sparc/t-netbsd64"
        tm_file="sparc/biarch64.h ${tm_file}"
        tm_file="${tm_file} dbxelf.h elfos.h svr4.h sparc/sysv4.h netbsd.h netbsd-elf.h sparc/netbsd-elf.h"
-       float_format=sparc
        ;;
 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-strongarm-elf
        out_file=arm/arm.c
        md_file=arm/arm.md
+       extra_modes=arm/arm-modes.def
        ;;
 strongarm-*-coff*)
        tm_file="arm/semi.h arm/aout.h arm/coff.h arm/strongarm-coff.h arm/arm.h"
        tmake_file=arm/t-strongarm-coff
        out_file=arm/arm.c
        md_file=arm/arm.md
+       extra_modes=arm/arm-modes.def
        ;;
 strongarm-*-pe)
        tm_file="arm/semi.h arm/aout.h arm/coff.h arm/strongarm-coff.h arm/arm.h arm/pe.h arm/strongarm-pe.h"
        tmake_file=arm/t-strongarm-pe
        out_file=arm/arm.c
        md_file=arm/arm.md
+       extra_modes=arm/arm-modes.def
        extra_objs=pe.o
        ;;
 thumb*-*-*)
@@ -3376,6 +2580,21 @@ v850-*-rtems*)
        c_target_objs="v850-c.o"
        cxx_target_objs="v850-c.o"
        ;;
+v850e-*-*)
+       target_cpu_default="TARGET_CPU_v850e"
+       tm_file="dbxelf.h elfos.h svr4.h v850/v850.h"
+       tm_p_file=v850/v850-protos.h
+       tmake_file=v850/t-v850
+       md_file=v850/v850.md
+       out_file=v850/v850.c
+       if test x$stabs = xyes
+       then
+               tm_file="${tm_file} dbx.h"
+       fi
+       use_collect2=no
+       c_target_objs="v850-c.o"
+       cxx_target_objs="v850-c.o"
+       ;;
 v850-*-*)
        target_cpu_default="TARGET_CPU_generic"
        tm_file="dbxelf.h elfos.h svr4.h ${tm_file}"
@@ -3389,55 +2608,49 @@ v850-*-*)
        cxx_target_objs="v850-c.o"
        ;;
 vax-*-bsd*)                    # VAXen running BSD
+       tm_file="${tm_file} vax/bsd.h"
        use_collect2=yes
-       float_format=vax
        ;;
 vax-*-sysv*)                   # VAXen running system V
        tm_file="${tm_file} vax/vaxv.h"
        xm_defines=POSIX
-       float_format=vax
        ;;
 vax-*-netbsdelf*)
-       echo "GCC does not yet support the ${machine} target"; exit 1
+       tm_file="${tm_file} elfos.h netbsd.h netbsd-elf.h vax/elf.h vax/netbsd-elf.h"
+       float_format=vax
        ;;
 vax-*-netbsd*)
        tm_file="${tm_file} netbsd.h netbsd-aout.h vax/netbsd.h"
        tmake_file=t-netbsd
-       float_format=vax
+       extra_parts=""
        use_collect2=yes
        ;;
 vax-*-openbsd*)
        tm_file="vax/vax.h vax/openbsd1.h openbsd.h ${tm_file}"
-       float_format=vax
        use_collect2=yes
        ;;
 vax-*-ultrix*)                 # VAXen running ultrix
        tm_file="${tm_file} vax/ultrix.h"
-       float_format=vax
        ;;
 vax-*-vms*)                    # VAXen running VMS
-       xm_file=vax/xm-vms.h
-       tm_file=vax/vms.h
-       float_format=vax
+       echo "Configuration $machine no longer supported" 1>&2
+       exit 1
        ;;
 vax-*-*)                       # VAX default entry
-       float_format=vax
-       ;;
-we32k-att-sysv*)
-       xm_defines=POSIX
-       use_collect2=yes
        ;;
 xscale-*-elf)
        tm_file="arm/xscale-elf.h dbxelf.h elfos.h arm/unknown-elf.h arm/elf.h arm/aout.h arm/arm.h"
        tmake_file=arm/t-xscale-elf
        out_file=arm/arm.c
        md_file=arm/arm.md
+       extra_modes=arm/arm-modes.def
        ;;
 xscale-*-coff)
        tm_file="arm/semi.h arm/aout.h arm/coff.h arm/xscale-coff.h arm/arm.h"
        tmake_file=arm/t-xscale-coff
        out_file=arm/arm.c
        md_file=arm/arm.md
+       extra_modes=arm/arm-modes.def
        ;;
 xstormy16-*-elf)
        # For historical reasons, the target files omit the 'x'.
@@ -3450,22 +2663,14 @@ xstormy16-*-elf)
        ;;
 xtensa-*-elf*)
        tm_file="${tm_file} dbxelf.h elfos.h svr4.h xtensa/elf.h"
-       with_newlib=yes
-       tmake_file=xtensa/t-xtensa
-       extra_parts="crtbegin.o crtend.o"
-       fixincludes=Makefile.in # newlib headers should be OK
+       tmake_file="xtensa/t-xtensa xtensa/t-elf"
        ;;
 xtensa-*-linux*)
        tm_file="${tm_file} dbxelf.h elfos.h svr4.h linux.h xtensa/linux.h"
-       tmake_file="t-linux xtensa/t-xtensa"
-       extra_parts="crtbegin.o crtbeginS.o crtbeginT.o crtend.o crtendS.o"
-       gas=yes gnu_ld=yes
-       if test x$enable_threads = xyes; then
-               thread_file='posix'
-       fi
+       tmake_file="t-linux xtensa/t-xtensa xtensa/t-linux"
        ;;
 *)
-       echo "Configuration $machine not supported" 1>&2
+       echo "*** Configuration $machine not supported" 1>&2
        exit 1
        ;;
 esac
@@ -3495,7 +2700,7 @@ i586-*-*)
                k6-*)
                        target_cpu_default2=TARGET_CPU_DEFAULT_k6
                        ;;
-               pentium_mmx-*)
+               pentium_mmx-*|winchip_c6-*|winchip2-*|c3-*)
                        target_cpu_default2=TARGET_CPU_DEFAULT_pentium_mmx
                        ;;
                *)
@@ -3505,6 +2710,9 @@ i586-*-*)
        ;;
 i686-*-* | i786-*-*)
        case $target_alias in
+               k8-*)
+                       target_cpu_default2=TARGET_CPU_DEFAULT_k8
+                       ;;
                athlon_xp-*|athlon_mp-*|athlon_4-*)
                        target_cpu_default2=TARGET_CPU_DEFAULT_athlon_sse
                        ;;
@@ -3529,7 +2737,7 @@ x86_64-*-*)
        # We should have hammer chip here, but it does not exist yet and
        # thus it is not supported.  Athlon_SSE is probably equivalent feature
        # wise to hammer from our point of view except for 64bit mode.
-       target_cpu_default2=TARGET_CPU_DEFAULT_athlon_sse
+       target_cpu_default2=TARGET_CPU_DEFAULT_k8
        ;;
 alpha*-*-*)
        case $machine in
@@ -3597,23 +2805,49 @@ hppa*-*-* | parisc*-*-*)
        then
                target_cpu_default2="MASK_GAS|MASK_JUMP_IN_DELAY"
        fi
+       case $machine in
+               hppa1* | parisc1*)
+                       tm_defines="TARGET_SCHED_DEFAULT=\\\"7100LC\\\""
+                       ;;
+       esac
        ;;
-
-mips*-*-ecoff* | mips*-*-elf*)
-       if test x$gas = xyes
-       then
-               if test x$gnu_ld = xyes
+mips*-*-*)
+       case $machine in
+       mips*-*-ecoff* | mips*-*-elf*)
+               if test x$gas = xyes
+               then
+                       if test x$gnu_ld = xyes
+                       then
+                               target_cpu_default2="MASK_GAS|MASK_SPLIT_ADDR"
+                       else
+                               target_cpu_default2="MASK_GAS"
+                       fi
+               fi
+               ;;
+       mips*-*-*)
+               if test x$gas = xyes
                then
-                       target_cpu_default2="MASK_GAS|MASK_SPLIT_ADDR"
-               else
                        target_cpu_default2="MASK_GAS"
                fi
-       fi
-       ;;
-mips*-*-*)
-       if test x$gas = xyes
+               ;;
+       esac
+       case $machine in
+               mips*el-*-*)
+                       tm_defines="TARGET_ENDIAN_DEFAULT=0 $tm_defines"
+                       ;;
+       esac
+       case $tm_file in
+               *mips/elf.h* | *mips/elf64.h*)
+                       tm_defines="OBJECT_FORMAT_ELF $tm_defines"
+                       ;;
+       esac
+       if test "x$enable_gofast" = xyes
        then
-               target_cpu_default2="MASK_GAS"
+               tm_defines="INIT_SUBTARGET_OPTABS=INIT_GOFAST_OPTABS $tm_defines"
+               tm_file="gofast.h $tm_file"
+               tmake_file="mips/t-gofast $tmake_file"
+       else
+               tmake_file="mips/t-mips $tmake_file"
        fi
        ;;
 powerpc*-*-* | rs6000-*-*)
@@ -3634,7 +2868,6 @@ powerpc*-*-* | rs6000-*-*)
 
                x401 | x403 | x405 | xec603e | x801 | x821 | x823 | x860)
                        target_cpu_default2="\\\"$with_cpu\\\""
-                       tm_file="$tm_file rs6000/softfloat.h"
                        ;;
 
                xyes | xno)
@@ -3650,15 +2883,10 @@ powerpc*-*-* | rs6000-*-*)
                        fi
                        ;;
        esac
-       case $machine in
-         *-*-darwin*)
-           ;;
-         *)
-           c_target_objs="rs6000-c.o"
-           cxx_target_objs="rs6000-c.o"
-           tmake_file="${tmake_file} rs6000/t-rs6000-c-rule"
-           ;;
-       esac
+       out_file=rs6000/rs6000.c
+       c_target_objs="${c_target_objs} rs6000-c.o"
+       cxx_target_objs="${cxx_target_objs} rs6000-c.o"
+       tmake_file="rs6000/t-rs6000 ${tmake_file}"
        ;;
 sparc*-*-*)
        case ".$with_cpu" in
@@ -3677,6 +2905,22 @@ sparc*-*-*)
                        ;;
        esac
        ;;
+v850*-*-*)
+       case "x$with_cpu" in
+               x)
+                       ;;
+               xv850e)
+                       target_cpu_default2="TARGET_CPU_$with_cpu"
+                       ;;
+               *)
+                       if test x$pass2done = xyes
+                       then
+                               echo "Unknown cpu used with --with-cpu=$with_cpu" 1>&2
+                               exit 1
+                       fi
+                       ;;
+       esac
+       ;;
 esac
 
 if test "$target_cpu_default2" != ""