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[CRT] Fix amd64 floating point control functions

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This commit is contained in:
Timo Kreuzer 2022-07-13 20:27:42 +02:00
parent 39f11249ff
commit 76086220fa
10 changed files with 243 additions and 32 deletions
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33
sdk/lib/crt/float/amd64/_statusfp.c Normal file
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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;
}