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HEAD
Merge branch 'vendor/FLEX'
[dragonfly.git]
/
lib
/
libm
/
arch
/
i386
/
s_sin.S
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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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* $NetBSD: s_sin.S,v 1.7 2003/07/26 19:25:03 salo Exp $
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*/
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#include <machine/asm.h>
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#include "abi.h"
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ENTRY(sin)
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XMM_ONE_ARG_DOUBLE_PROLOGUE
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fldl ARG_DOUBLE_ONE
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fsin
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fnstsw %ax
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andw $0x400,%ax
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jnz 1f
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XMM_DOUBLE_EPILOGUE
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ret
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1: fldpi
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fadd %st(0)
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fxch %st(1)
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2: fprem1
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fnstsw %ax
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andw $0x400,%ax
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jnz 2b
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fstp %st(1)
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fsin
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XMM_DOUBLE_EPILOGUE
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ret
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END(sin)
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.section .note.GNU-stack,"",%progbits