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HEAD
2.9
[glibc/nacl-glibc.git]
/
sysdeps
/
x86_64
/
fpu
/
s_tanl.S
blob
674e908accda63ea919c0ceab6ecaec857657f75
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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* Adapted for `long double' by Ulrich Drepper <drepper@cygnus.com>.
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* Adapted for x86-64 by Andreas Jaeger <aj@suse.de>.
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*/
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#include <machine/asm.h>
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RCSID("$NetBSD: $")
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ENTRY(__tanl)
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fldt 8(%rsp)
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fptan
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fnstsw %ax
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testl $0x400,%eax
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jnz 1f
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fstp %st(0)
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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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fstsw %ax
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testl $0x400,%eax
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jnz 2b
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fstp %st(1)
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fptan
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fstp %st(0)
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ret
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END (__tanl)
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weak_alias (__tanl, tanl)