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a02291eed299ac0694c023c79623ccd8f8e9b1f6
[dragonfly.git]
/
contrib
/
openbsd_libm
/
arch
/
amd64
/
s_ceilf.S
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/* $OpenBSD: s_ceilf.S,v 1.4 2009/04/08 22:30:41 martynas Exp $ */
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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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ENTRY(ceilf)
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fstcw -8(%rsp)
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movw -8(%rsp),%dx
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orw $0x0800,%dx
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andw $0xfbff,%dx
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movw %dx,-12(%rsp)
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fldcw -12(%rsp)
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movss %xmm0,-4(%rsp)
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flds -4(%rsp)
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frndint
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fldcw -8(%rsp)
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fstps -4(%rsp)
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movss -4(%rsp),%xmm0
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ret