diff options
Diffstat (limited to 'sysdeps/libm-i387/s_cos.S')
| -rw-r--r-- | sysdeps/libm-i387/s_cos.S | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/sysdeps/libm-i387/s_cos.S b/sysdeps/libm-i387/s_cos.S new file mode 100644 index 0000000000..0ccf8bc6e6 --- /dev/null +++ b/sysdeps/libm-i387/s_cos.S @@ -0,0 +1,27 @@ +/* + * Written by J.T. Conklin <jtc@netbsd.org>. + * Public domain. + */ + +#include <machine/asm.h> + +RCSID("$NetBSD: s_cos.S,v 1.5 1995/05/08 23:54:00 jtc Exp $") + +ENTRY(__cos) + fldl 4(%esp) + fcos + fnstsw %ax + andw $0x400,%ax + jnz 1f + ret +1: fldpi + fadd %st(0) + fxch %st(1) +2: fprem1 + fnstsw %ax + andw $0x400,%ax + jnz 2b + fstp %st(1) + fcos + ret +weak_alias (__cos, cos) |