_statusfp.c

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/*
 * PROJECT:     ReactOS CRT
 * LICENSE:     MIT (https://spdx.org/licenses/MIT)
 * PURPOSE:     x64 implementation of _statusfp
 * COPYRIGHT:   Copyright 2022 Timo Kreuzer <timo.kreuzer@reactos.org>
 */
 
#include <float.h>
#include <xmmintrin.h>
 
unsigned int __cdecl _statusfp(void)
{
    unsigned int mxcsr, status = 0;
 
    /* Get MXCSR */
    mxcsr = _mm_getcsr();
 
    /* Convert to abstract status flags */
    if (mxcsr & _MM_EXCEPT_INVALID)
        status |= _SW_INVALID;
    if (mxcsr & _MM_EXCEPT_DENORM)
        status |= _SW_DENORMAL;
    if (mxcsr & _MM_EXCEPT_DIV_ZERO)
        status |= _SW_ZERODIVIDE;
    if (mxcsr & _MM_EXCEPT_OVERFLOW)
        status |= _SW_OVERFLOW;
    if (mxcsr & _MM_EXCEPT_UNDERFLOW)
        status |= _SW_UNDERFLOW;
    if (mxcsr & _MM_EXCEPT_INEXACT)
        status |= _SW_INEXACT;
 
    return status;
}