tools/llvm: Do not build with symbols
[minix3.git] / lib / libc / arch / mips / gen / fpsetround.c
blob43c5dd013f5324dbf71243471c90bc07437b01fc
1 /* $NetBSD: fpsetround.c,v 1.6 2012/03/19 22:23:10 matt 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 1.6 2012/03/19 22:23:10 matt 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("cfc1 %0,$31" : "=r" (old));
29 new = old & ~0x03;
30 new |= rnd_dir & 0x03;
32 __asm("ctc1 %0,$31" : : "r" (new));
34 return old & 0x03;