1.1 --- a/src/share/vm/runtime/sharedRuntimeTrans.cpp Wed Jul 28 17:57:43 2010 -0400
1.2 +++ b/src/share/vm/runtime/sharedRuntimeTrans.cpp Tue Aug 03 08:13:38 2010 -0400
1.3 @@ -572,7 +572,11 @@
1.4 if(hy<0) z = one/z; /* z = (1/|x|) */
1.5 if(hx<0) {
1.6 if(((ix-0x3ff00000)|yisint)==0) {
1.7 +#ifdef CAN_USE_NAN_DEFINE
1.8 + z = NAN;
1.9 +#else
1.10 z = (z-z)/(z-z); /* (-1)**non-int is NaN */
1.11 +#endif
1.12 } else if(yisint==1)
1.13 z = -1.0*z; /* (x<0)**odd = -(|x|**odd) */
1.14 }
1.15 @@ -583,7 +587,12 @@
1.16 n = (hx>>31)+1;
1.17
1.18 /* (x<0)**(non-int) is NaN */
1.19 - if((n|yisint)==0) return (x-x)/(x-x);
1.20 + if((n|yisint)==0)
1.21 +#ifdef CAN_USE_NAN_DEFINE
1.22 + return NAN;
1.23 +#else
1.24 + return (x-x)/(x-x);
1.25 +#endif
1.26
1.27 s = one; /* s (sign of result -ve**odd) = -1 else = 1 */
1.28 if((n|(yisint-1))==0) s = -one;/* (-ve)**(odd int) */
