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[CRT/ARM] Floating point control functions implementation (#3870)

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Implement controlfp, statusfp, fpreset, clearfp. CORE-17757 CORE-17604
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Roman Masanin 2021-08-01 17:30:41 +03:00 • committed by Stanislav Motylkov
parent c188821f8b
commit 554bbb6bab
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13 changed files with 249 additions and 100 deletions
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sdk/lib/crt/float/arm/_clearfp.c Normal file
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/*
* PROJECT: ReactOS CRT library
* LICENSE: MIT (https://spdx.org/licenses/MIT)
* PURPOSE: Implementation of _clearfp
* COPYRIGHT: Copyright 2021 Roman Masanin <36927roma@gmail.com>
*/
#include "fpscr.h"
unsigned int _clearfp(void)
{
ARM_FPSCR fpscr;
unsigned int status;
fpscr.raw = __getfp();
status = _statusfp();
fpscr.data.exception = fpscr.data.exception & ~ARM_CW_STATUS_MASK;
__setfp(fpscr.raw);
return status;
}