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Sync usage with man page.
[netbsd-mini2440.git]
/
lib
/
libc
/
arch
/
i386
/
gen
/
fpsetmask.S
blob
912a48e35adaa6a71ba93a51d2140590016f2b4a
1
/* $NetBSD: fpsetmask.S,v 1.3 1998/01/09 03:45:05 perry Exp $ */
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/*
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* Written by Charles M. Hannum, Apr 9, 1995
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* Public domain.
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*/
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#include <machine/asm.h>
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#ifdef WEAK_ALIAS
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WEAK_ALIAS(fpsetmask, _fpsetmask)
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ENTRY(_fpsetmask)
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#else
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ENTRY(fpsetmask)
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#endif
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subl $4,%esp
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fnstcw (%esp)
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movl (%esp),%eax
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movl %eax,%edx
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notl %eax
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andl $63,%eax
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addl %eax,%edx
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movl 8(%esp),%ecx
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andl $63,%ecx
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subl %ecx,%edx
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movl %edx,(%esp)
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fldcw (%esp)
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addl $4,%esp
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ret