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sortix--sortix/libm/arch/x86_64/fpgetsticky.S
Jonas 'Sortie' Termansen 5980be9b3c Add Sortix Math Library.
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.
2013-12-17 14:30:39 +01:00

27 lines
505 B
ArmAsm

/* $NetBSD: fpgetsticky.S,v 1.3 2002/06/12 19:17:22 fvdl Exp $ */
/*
* Written by Frank van der Linden at Wasabi Systems for NetBSD.
* Public domain.
*
*/
#include <machine/asm.h>
/*
* XXX read both the x87 and SSE status words here, and OR
* them to get a complete picture of exceptions.
*/
#ifdef WEAK_ALIAS
WEAK_ALIAS(fpgetsticky, _fpgetsticky)
ENTRY(_fpgetsticky)
#else
ENTRY(fpgetsticky)
#endif
fnstsw -4(%rsp)
stmxcsr -8(%rsp)
movl -4(%rsp),%eax
orl -8(%rsp),%eax
andl $63,%eax
ret