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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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23
sdk/lib/crt/float/amd64/_clearfp.c Normal file
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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;
}