29 lines
461 B
C
29 lines
461 B
C
/*
|
|
* Written by J.T. Conklin, Apr 11, 1995
|
|
* Public domain.
|
|
*/
|
|
|
|
#if defined(LIBC_SCCS) && !defined(lint)
|
|
static char rcsid[] = "$OpenBSD$";
|
|
#endif /* LIBC_SCCS and not lint */
|
|
|
|
#include <ieeefp.h>
|
|
|
|
fp_except
|
|
fpsetsticky(sticky)
|
|
fp_except sticky;
|
|
{
|
|
fp_except old;
|
|
fp_except new;
|
|
|
|
__asm__("cfc1 %0,$31" : "=r" (old));
|
|
|
|
new = old;
|
|
new &= ~(0x1f << 2);
|
|
new |= ((sticky & 0x1f) << 2);
|
|
|
|
__asm__("ctc1 %0,$31" : : "r" (new));
|
|
|
|
return (old >> 2) & 0x1f;
|
|
}
|