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[FreeBSD/releng/10.0.git] / lib / libc / ia64 / gen / flt_rounds.c
1 /*
2  * Written by J.T. Conklin, Apr 10, 1995
3  * Public domain.
4  */
5
6 #include <sys/cdefs.h>
7 __FBSDID("$FreeBSD$");
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
19 __flt_rounds(void)
20 {
21         int x;
22
23         __asm("mov %0=ar.fpsr" : "=r" (x));
24         return (map[(x >> 10) & 0x03]);
25 }