Remove building with NOCRYPTO option
[minix3.git] / lib / libc / arch / mips / gen / fpsetround.c
blob34770c33b30315436e74a486029faa853cdb2bc0
1 /* $NetBSD: fpsetround.c,v 1.7 2014/09/17 11:02:55 joerg Exp $ */
3 /*
4 * Written by J.T. Conklin, Apr 11, 1995
5 * Public domain.
6 */
8 #include <sys/cdefs.h>
9 #if defined(LIBC_SCCS) && !defined(lint)
10 __RCSID("$NetBSD: fpsetround.c,v 1.7 2014/09/17 11:02:55 joerg Exp $");
11 #endif /* LIBC_SCCS and not lint */
13 #include "namespace.h"
15 #include <ieeefp.h>
17 #ifdef __weak_alias
18 __weak_alias(fpsetround,_fpsetround)
19 #endif
21 fp_rnd
22 fpsetround(fp_rnd rnd_dir)
24 fp_rnd old;
25 fp_rnd new;
27 __asm(".set push; .set noat; cfc1 %0,$31; .set pop" : "=r" (old));
29 new = old & ~0x03;
30 new |= rnd_dir & 0x03;
32 __asm(".set push; .set noat; ctc1 %0,$31; .set pop" : "=r" (new));
34 return old & 0x03;