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HEAD
Mon Dec 2 15:32:15 1996 Ulrich Drepper <drepper@cygnus.com>
[glibc.git]
/
sysdeps
/
libm-i387
/
s_cos.S
blob
6b47e80d2e5a59690beae18e67e24f180563723c
1
/*
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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_cos.S,v 1.5 1995/05/08 23:54:00 jtc Exp $")
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ENTRY(__cos)
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fldl 4(%esp)
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fcos
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fnstsw %ax
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andw $0x400,%ax
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jnz 1f
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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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fcos
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ret
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PSEUDO_END (__cos)
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weak_alias (__cos, cos)