glibc/sysdeps/i386/fpu/s_cos.S

30 lines
401 B
ArmAsm

/*
* 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
testl $0x400,%eax
jnz 1f
ret
.align ALIGNARG(4)
1: fldpi
fadd %st(0)
fxch %st(1)
2: fprem1
fnstsw %ax
testl $0x400,%eax
jnz 2b
fstp %st(1)
fcos
ret
END (__cos)
weak_alias (__cos, cos)