blob: 417eefefa87009f1df5b22708e03412e9083b6e1 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
|
/*
* Written by J.T. Conklin, Apr 10, 1995
* Public domain.
* Ported to 88k by Nivas Madhur
*/
#include <ieeefp.h>
fp_rnd
fpsetround(rnd_dir)
fp_rnd rnd_dir;
{
fp_rnd old;
fp_rnd new;
__asm__ volatile("fldcr %0,fcr63" : "=r" (old));
new = old;
new &= ~(0x03 << 14); /* clear old value */
new |= ((rnd_dir & 0x03) << 14);/* and set new one */
__asm__ volatile("fstcr %0,fcr63" : : "r" (new));
return (old >> 14) & 0x03;
}
|
