glibc/sysdeps/libm-i387/s_copysignf.S

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ArmAsm
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/*
* Written by J.T. Conklin <jtc@netbsd.org>.
* Public domain.
*/
#include <machine/asm.h>
RCSID("$NetBSD: s_copysignf.S,v 1.3 1995/05/08 23:53:25 jtc Exp $")
ENTRY(__copysignf)
movl 8(%esp),%edx
andl $0x80000000,%edx
movl 4(%esp),%eax
andl $0x7fffffff,%eax
orl %edx,%eax
movl %eax,4(%esp)
flds 4(%esp)
ret
weak_alias (__copysignf, copysignf)