2011-03-18 16:52:16 +01:00
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/*
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* Written by J.T. Conklin <jtc@NetBSD.org>.
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* Public domain.
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*/
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#include <machine/asm.h>
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2013-12-06 12:04:52 +01:00
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RCSID("$NetBSD: s_scalbn.S,v 1.14 2013/05/20 19:40:09 joerg Exp $")
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2011-03-18 16:52:16 +01:00
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#ifdef WEAK_ALIAS
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WEAK_ALIAS(scalbn,_scalbn)
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2013-12-06 12:04:52 +01:00
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WEAK_ALIAS(scalbln,_scalbln)
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WEAK_ALIAS(ldexp,_scalbn)
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2011-03-18 16:52:16 +01:00
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#endif
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#ifdef __x86_64__
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2013-12-06 12:04:52 +01:00
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ENTRY(_scalbn)
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2011-03-18 16:52:16 +01:00
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movl %edi,-12(%rsp)
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fildl -12(%rsp)
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movsd %xmm0,-8(%rsp)
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fldl -8(%rsp)
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fscale
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fstpl -8(%rsp)
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movsd -8(%rsp),%xmm0
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fstp %st(0)
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2013-12-06 12:04:52 +01:00
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ret
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#elif defined(STRONG_ALIAS)
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STRONG_ALIAS(_scalbn, scalbln)
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#endif
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ENTRY(_scalbln)
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#ifdef __x86_64__
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movq %rdi,-16(%rsp)
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fildq -16(%rsp)
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movsd %xmm0,-8(%rsp)
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fldl -8(%rsp)
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fscale
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fstpl -8(%rsp)
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movsd -8(%rsp),%xmm0
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fstp %st(0)
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2011-03-18 16:52:16 +01:00
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#else
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fildl 12(%esp)
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fldl 4(%esp)
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fscale
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fstp %st(1) /* clean up stack */
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#endif
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ret
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