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.
27 lines
509 B
ArmAsm
27 lines
509 B
ArmAsm
/* $NetBSD: fpgetmask.S,v 1.3 2002/06/12 19:17:22 fvdl 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 only read x87 control word here. If an application only
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* uses the fp* interface to manipulate FP bits, it should
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* always remain in sync with the SSE mxcsr register.
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*/
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#ifdef WEAK_ALIAS
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WEAK_ALIAS(fpgetmask, _fpgetmask)
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ENTRY(_fpgetmask)
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#else
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ENTRY(fpgetmask)
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#endif
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fnstcw -4(%rsp)
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movl -4(%rsp),%eax
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notl %eax
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andl $63,%eax
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ret
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