diff options
| author | imp <imp@FreeBSD.org> | 1999-03-03 07:06:17 +0000 |
|---|---|---|
| committer | imp <imp@FreeBSD.org> | 1999-03-03 07:06:17 +0000 |
| commit | 4d23a3a1e4929fb9ae50da0a0cc6224e36682889 (patch) | |
| tree | 6319ff0addf11af182760607660afd2709373b75 /lib/libc/mips/gen/fpsetmask.c | |
| parent | caaaa6363b062987768a65519c536c68acb1a3c7 (diff) | |
| download | FreeBSD-src-4d23a3a1e4929fb9ae50da0a0cc6224e36682889.zip FreeBSD-src-4d23a3a1e4929fb9ae50da0a0cc6224e36682889.tar.gz | |
Bring in initial libc support for mips. These files were taken from
the OpenBSD tree and should be considered preliminary. They are here
to facilitate building of the tree.
Diffstat (limited to 'lib/libc/mips/gen/fpsetmask.c')
| -rw-r--r-- | lib/libc/mips/gen/fpsetmask.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/lib/libc/mips/gen/fpsetmask.c b/lib/libc/mips/gen/fpsetmask.c new file mode 100644 index 0000000..c57f52f --- /dev/null +++ b/lib/libc/mips/gen/fpsetmask.c @@ -0,0 +1,28 @@ +/* + * Written by J.T. Conklin, Apr 11, 1995 + * Public domain. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +static char rcsid[] = "$OpenBSD$"; +#endif /* LIBC_SCCS and not lint */ + +#include <ieeefp.h> + +fp_except +fpsetmask(mask) + fp_except mask; +{ + fp_except old; + fp_except new; + + __asm__("cfc1 %0,$31" : "=r" (old)); + + new = old; + new &= ~(0x1f << 7); + new |= ((mask & 0x1f) << 7); + + __asm__("ctc1 %0,$31" : : "r" (new)); + + return (old >> 7) & 0x1f; +} |
