_clearfp.c

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/*
 * PROJECT:     ReactOS CRT
 * LICENSE:     MIT (https://spdx.org/licenses/MIT)
 * PURPOSE:     x64 implementation of _clearfp
 * COPYRIGHT:   Copyright 2022 Timo Kreuzer <timo.kreuzer@reactos.org>
 */
 
#include <float.h>
#include <xmmintrin.h>
 
unsigned int __cdecl _clearfp(void)
{
    unsigned int retval;
 
    /* Get current status value */
    retval = _statusfp();
 
    /* Clear the exception mask */
    _mm_setcsr(_mm_getcsr() & ~_MM_EXCEPT_MASK);
   
    /* Return the previous state */
    return retval;
}