Implement default-NaN mode.

Signed-off-by: Paul Brook <paul@codesourcery.com>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6106 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/fpu/softfloat.h b/fpu/softfloat.h
index 9061f03..6cd4fac 100644
--- a/fpu/softfloat.h
+++ b/fpu/softfloat.h
@@ -190,10 +190,15 @@
 #ifdef FLOATX80
     signed char floatx80_rounding_precision;
 #endif
+    flag default_nan_mode;
 } float_status;
 
 void set_float_rounding_mode(int val STATUS_PARAM);
 void set_float_exception_flags(int val STATUS_PARAM);
+INLINE void set_default_nan_mode(flag val STATUS_PARAM)
+{
+    STATUS(default_nan_mode) = val;
+}
 INLINE int get_float_exception_flags(float_status *status)
 {
     return STATUS(float_exception_flags);