Viewing file:  pr62031.c (1.49 KB) -rw-r--r--
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/* { dg-do run } */
#include <stdlib.h>
#define NUM_OF_STATES 4
typedef unsigned int entry_t[2];
typedef struct entries_item { entry_t metricEntries_[0]; } entries_item_t;
void __attribute__((noinline,noclone))
test_00(size_t numOfStates, entries_item_t* p_bm,
const unsigned int* polyArray,
size_t polyArraySize)
{
size_t idx;
unsigned int hlp0, hlp1;
for (idx = 0; idx < numOfStates; ++idx)
{
size_t idy;
hlp0 = (idx << 1) | 0x00;
hlp1 = (idx << 1) | 0x01;
p_bm->metricEntries_[idx][0] = 0;
p_bm->metricEntries_[idx][1] = 0;
for (idy = 0; idy < polyArraySize; ++idy)
{
p_bm->metricEntries_[idx][0]
|= __builtin_parity(hlp0 & polyArray[idy]) << idy;
p_bm->metricEntries_[idx][1]
|= __builtin_parity(hlp1 & polyArray[idy]) << idy;
}
}
}
int main()
{
unsigned int polyArray[] = { 0x07, 0x05 };
entries_item_t* pBranchMetrics;
pBranchMetrics = malloc(sizeof(entry_t) * NUM_OF_STATES);
test_00(NUM_OF_STATES, pBranchMetrics, polyArray,
sizeof(polyArray) / sizeof(polyArray[0]));
if (pBranchMetrics->metricEntries_[0][0] != 0
|| pBranchMetrics->metricEntries_[0][1] != 3
|| pBranchMetrics->metricEntries_[1][0] != 1
|| pBranchMetrics->metricEntries_[1][1] != 2
|| pBranchMetrics->metricEntries_[2][0] != 3
|| pBranchMetrics->metricEntries_[2][1] != 0
|| pBranchMetrics->metricEntries_[3][0] != 2
|| pBranchMetrics->metricEntries_[3][1] != 1)
abort ();
free(pBranchMetrics);
return 0;
}
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