1 /*
2  * Written by J.T. Conklin, Apr 10, 1995
3  * Public domain.
4  */
5 
6 #include <sys/cdefs.h>
7 /* __FBSDID("$FreeBSD: src/lib/libc/ia64/gen/flt_rounds.c,v 1.1 2004/07/19 08:17:24 das Exp $"); */
8 
9 #include <float.h>
10 
11 static const int map[] = {
12           1,        /* round to nearest */
13           3,        /* round to zero */
14           2,        /* round to negative infinity */
15           0         /* round to positive infinity */
16 };
17 
18 int
__flt_rounds(void)19 __flt_rounds(void)
20 {
21           int x;
22 
23           __asm("mov %0=ar.fpsr" : "=r" (x));
24         return (map[(x >> 10) & 0x03]);
25 }
26