swar-c99-6.3-conversions.c
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/* -----------------------------------------------------------------------------
* Copyright (C) 2018-2020 daiteq s.r.o. http://www.daiteq.com
*
* This program is distributed WITHOUT ANY WARRANTY; without even
* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE.
*
* -----------------------------------------------------------------------------
* Filename : swar-c99-6.3-conversions.c
* Authors : Roman Bartosinski
* Description : simple test of clang/LLVM compiler with SWAR extension
* Release :
* Version :
* Date :
* -----------------------------------------------------------------------------
*/
//A: --has-swar
//C: -daiteq-swar-enable
#define SWAR_USE_UNSIGNED_TYPES
#define SWAR_USE_SIGNED_TYPES
#include "swar-c99.h"
// variable
su32x1b var32x1u;
ss32x1b var32x1s;
unsigned int varUInt;
int varInt;
int main(void)
{
varUInt = *((unsigned int *)&var32x1u);
varInt = *((int *)&var32x1s);
#if 0
varUInt = (unsigned int) var32x1u;
varInt = (int) var32x1s;
#endif
var32x1u = *((su32x1b *)&varUInt);
var32x1s = *((ss32x1b *)&varInt);
#if 0
var32x1u = (su32x1b) varUInt;
var32x1s = (ss32x1b) varInt;
#endif
return 0;
}