freebsd-dev/contrib/gcc/config/floatunsixf.c

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2007-05-19 01:19:51 +00:00
/* Public domain. */
typedef int SItype __attribute__ ((mode (SI)));
typedef unsigned int USItype __attribute__ ((mode (SI)));
typedef float XFtype __attribute__ ((mode (XF)));
XFtype
__floatunsixf (USItype u)
{
SItype s = (SItype) u;
XFtype r = (XFtype) s;
if (s < 0)
r += (XFtype)2.0 * (XFtype) ((USItype) 1
<< (sizeof (USItype) * __CHAR_BIT__ - 1));
return r;
}