33 lines
425 B
ArmAsm
33 lines
425 B
ArmAsm
/*
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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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RCSID("$NetBSD: s_ilogb.S,v 1.7 2003/07/26 19:25:02 salo Exp $")
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ENTRY(ilogb)
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#ifdef __i386__
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pushl %ebp
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movl %esp,%ebp
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subl $4,%esp
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fldl 8(%ebp)
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fxtract
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fstp %st
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fistpl -4(%ebp)
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movl -4(%ebp),%eax
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leave
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#else
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movsd %xmm0,-8(%rsp)
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fldl -8(%rsp)
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fxtract
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fstp %st
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fistpl -8(%rsp)
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movl -8(%rsp),%eax
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#endif
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ret
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