5980be9b3c
This work is based in part on code from NetBSD libm, libc and kernel. The library is partly public domain and partly BSD-style licensed.
35 lines
490 B
ArmAsm
35 lines
490 B
ArmAsm
/* $NetBSD: fpsetprec.S,v 1.1 2011/03/26 19:51:41 christos 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(fpsetprec, _fpsetprec)
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ENTRY(_fpsetprec)
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#else
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ENTRY(fpsetprec)
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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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rorl $8,%eax
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movl %eax,%edx
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andl $3,%eax
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subl %eax,%edx
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movl 8(%esp),%ecx
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andl $3,%ecx
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orl %ecx,%edx
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roll $8,%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
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