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.
26 lines
470 B
ArmAsm
26 lines
470 B
ArmAsm
/* $NetBSD: fpgetprec.S,v 1.1 2011/03/26 19:51:42 christos Exp $ */
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/*
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* Written by J.T. Conklin, Apr 4, 1995
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* Public domain.
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*/
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#include <machine/asm.h>
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/*
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* XXX store only x87 state. If an application only uses the fp*
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* interface, this should be in sync with the SSE mxcsr register.
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*/
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#ifdef WEAK_ALIAS
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WEAK_ALIAS(fpgetprec, _fpgetprec)
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ENTRY(_fpgetprec)
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#else
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ENTRY(fpgetprec)
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#endif
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fnstcw -4(%rsp)
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movl -4(%rsp),%eax
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rorl $8,%eax
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andl $3,%eax
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ret
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