mirror of https://github.com/acidanthera/audk.git
26 lines
507 B
C
26 lines
507 B
C
|
/*
|
||
|
|
* Written by J.T. Conklin, Apr 10, 1995
|
||
|
|
* Public domain.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <sys/EfiCdefs.h>
|
||
|
|
/* __FBSDID("$FreeBSD: src/lib/libc/ia64/gen/flt_rounds.c,v 1.1 2004/07/19 08:17:24 das Exp $"); */
|
||
|
|
|
||
|
|
#include <float.h>
|
||
|
|
|
||
|
|
static const int map[] = {
|
||
|
|
1, /* round to nearest */
|
||
|
|
3, /* round to zero */
|
||
|
|
2, /* round to negative infinity */
|
||
|
|
0 /* round to positive infinity */
|
||
|
|
};
|
||
|
|
|
||
|
|
int
|
||
|
|
__flt_rounds(void)
|
||
|
|
{
|
||
|
|
int x;
|
||
|
|
|
||
|
|
__asm("mov %0=ar.fpsr" : "=r" (x));
|
||
|
|
return (map[(x >> 10) & 0x03]);
|
||
|
|
}
|