# DEFAULTS
fpu_host='fpu-generic'
-# HOST-SPECIFIC OVERRIDES
+if test "x${have_feenableexcept}" = "xyes"; then
+ fpu_host='fpu-glibc'
+fi
+
+# x86 asm should be used instead of glibc, since glibc doesn't support
+# the x86 denormal exception.
case "${host_cpu}" in
i?86 | x86_64)
fpu_host='fpu-387' ;;
esac
-# CONFIGURATION-SPECIFIC OVERRIDES
-if test "x${have_feenableexcept}" = "xyes"; then
- fpu_host='fpu-glibc'
-fi
-
if test "x${have_fpsetmask}" = "xyes"; then
fpu_host='fpu-sysv'
fi
if test "x${have_fp_enable}" = "xyes" && test "x${have_fp_trap}" = "xyes"; then
fpu_host='fpu-aix'
fi
+
+# Some targets require additional compiler options for NaN/Inf.
+ieee_flags=
+case "${host_cpu}" in
+ sh*)
+ ieee_flags="-mieee" ;;
+esac