4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/*
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Written by J.T. Conklin, Apr 10, 1995
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Public domain.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#include <sys/EfiCdefs.h>
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/* __FBSDID("$FreeBSD: src/lib/libc/ia64/gen/flt_rounds.c,v 1.1 2004/07/19 08:17:24 das Exp $"); */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#include <float.h>
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncstatic const int map[] = {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync 1, /* round to nearest */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync 3, /* round to zero */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync 2, /* round to negative infinity */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync 0 /* round to positive infinity */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync};
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncint
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync__flt_rounds(void)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync{
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync int x;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync __asm("mov %0=ar.fpsr" : "=r" (x));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return (map[(x >> 10) & 0x03]);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync}