s390*) gdb_host_cpu=s390 ;;
sh*) gdb_host_cpu=sh ;;
x86_64*) gdb_host_cpu=i386 ;;
-xscale*) gdb_host_cpu=arm ;;
m32r*) gdb_host_cpu=m32r ;;
xtensa*) gdb_host_cpu=xtensa ;;
*) gdb_host_cpu=$host_cpu ;;
i[34567]86-*-openbsd[0-2].* | i[34567]86-*-openbsd3.[0-3])
gdb_host=obsdaout ;;
i[34567]86-*-openbsd*) gdb_host=obsd ;;
-i[34567]86-*-solaris2.1[0-9]*) gdb_host=sol2-64 ;;
+i[34567]86-*-solaris2.1[0-9]* | x86_64-*-solaris2.1[0-9]*)
+ gdb_host=sol2-64 ;;
i[34567]86-*-solaris*) gdb_host=i386sol2 ;;
i[34567]86-*-cygwin*) gdb_host=cygwin ;;
+ia64-*-hpux*) gdb_host=hpux ;;
ia64-*-linux*) gdb_host=linux ;;
m68*-*-linux*) gdb_host=linux ;;
gdb_host_double_format="&floatformat_ieee_double_big"
gdb_host_long_double_format="&floatformat_m68881_ext"
;;
+ia64-*-hpux*)
+ gdb_host_float_format="&floatformat_ieee_single_big"
+ gdb_host_double_format="&floatformat_ieee_double_big"
+ gdb_host_long_double_format="&floatformat_ia64_quad_big"
+ ;;
*)
gdb_host_float_format=0
gdb_host_double_format=0