| Current Path : /usr/src/lib/libc/sparc64/gen/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
| Current File : //usr/src/lib/libc/sparc64/gen/fpsetround.c |
/* $NetBSD: fpsetround.c,v 1.2 2002/01/13 21:45:51 thorpej Exp $ */
/*
* Written by J.T. Conklin, Apr 10, 1995
* Public domain.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD: release/9.1.0/lib/libc/sparc64/gen/fpsetround.c 103323 2002-09-14 18:06:21Z tmm $");
#include <machine/fsr.h>
#include <ieeefp.h>
fp_rnd_t
fpsetround(rnd_dir)
fp_rnd_t rnd_dir;
{
unsigned int old;
unsigned int new;
__asm__("st %%fsr,%0" : "=m" (old));
new = old;
new &= ~FSR_RD_MASK;
new |= FSR_RD((unsigned int)rnd_dir & 0x03);
__asm__("ld %0,%%fsr" : : "m" (new));
return ((fp_rnd_t)FSR_GET_RD(old));
}