diff options
| author | Jayachandran C. <jchandra@FreeBSD.org> | 2010-11-27 12:26:40 +0000 |
|---|---|---|
| committer | Jayachandran C. <jchandra@FreeBSD.org> | 2010-11-27 12:26:40 +0000 |
| commit | 43f6e368b0a5523c2727da0b0248172b488b758e (patch) | |
| tree | fd7cffbdc745cef2675b66c7c0b61767483a2475 /lib/libc/mips/gen/hardfloat/fpsetround.c | |
| parent | 30409a7564cd898dd84a0f5835cf3931705d01c0 (diff) | |
Notes
Diffstat (limited to 'lib/libc/mips/gen/hardfloat/fpsetround.c')
| -rw-r--r-- | lib/libc/mips/gen/hardfloat/fpsetround.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/lib/libc/mips/gen/hardfloat/fpsetround.c b/lib/libc/mips/gen/hardfloat/fpsetround.c new file mode 100644 index 000000000000..020516180033 --- /dev/null +++ b/lib/libc/mips/gen/hardfloat/fpsetround.c @@ -0,0 +1,37 @@ +/* $NetBSD: fpsetround.c,v 1.5 2005/12/24 23:10:08 perry Exp $ */ + +/* + * Written by J.T. Conklin, Apr 11, 1995 + * Public domain. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); +#if defined(LIBC_SCCS) && !defined(lint) +__RCSID("$NetBSD: fpsetround.c,v 1.5 2005/12/24 23:10:08 perry Exp $"); +#endif /* LIBC_SCCS and not lint */ + +#include "namespace.h" + +#include <ieeefp.h> + +#ifdef __weak_alias +__weak_alias(fpsetround,_fpsetround) +#endif + +fp_rnd_t +fpsetround(fp_rnd_t rnd_dir) +{ + fp_rnd_t old; + fp_rnd_t new; + + __asm("cfc1 %0,$31" : "=r" (old)); + + new = old; + new &= ~0x03; + new |= (rnd_dir & 0x03); + + __asm("ctc1 %0,$31" : : "r" (new)); + + return old & 0x03; +} |
