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/* $OpenBSD: fpgetmask.S,v 1.3 2018/07/03 23:14:05 mortimer Exp $ */
/* $NetBSD: fpgetmask.S,v 1.3 2002/06/12 19:17:22 fvdl Exp $ */
/*
* Written by J.T. Conklin, Apr 4, 1995
* Public domain.
*/
#include <machine/asm.h>
/*
* XXX only read x87 control word here. If an application only
* uses the fp* interface to manipulate FP bits, it should
* always remain in sync with the SSE mxcsr register.
*/
#ifdef WEAK_ALIAS
WEAK_ALIAS(fpgetmask, _fpgetmask)
ENTRY(_fpgetmask)
#else
ENTRY(fpgetmask)
#endif
RETGUARD_SETUP(fpgetmask, r11)
fnstcw -4(%rsp)
movl -4(%rsp),%eax
notl %eax
andl $63,%eax
RETGUARD_CHECK(fpgetmask, r11)
ret
#ifdef WEAK_ALIAS
END(_fpgetmask)
#else
END(fpgetmask)
#endif
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