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sortix--sortix/libm/arch/i387/s_scalbn.S

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/*
* Written by J.T. Conklin <jtc@NetBSD.org>.
* Public domain.
*/
#include <machine/asm.h>
RCSID("$NetBSD: s_scalbn.S,v 1.9 2010/04/23 19:17:07 drochner Exp $")
#ifdef WEAK_ALIAS
WEAK_ALIAS(scalbn,_scalbn)
#endif
ENTRY(_scalbn)
#ifdef __x86_64__
movl %edi,-12(%rsp)
fildl -12(%rsp)
movsd %xmm0,-8(%rsp)
fldl -8(%rsp)
fscale
fstpl -8(%rsp)
movsd -8(%rsp),%xmm0
fstp %st(0)
#else
fildl 12(%esp)
fldl 4(%esp)
fscale
fstp %st(1) /* clean up stack */
#endif
ret