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-rw-r--r--gcc-4.9/gcc/testsuite/gcc.dg/torture/pr62031.c52
1 files changed, 52 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/torture/pr62031.c b/gcc-4.9/gcc/testsuite/gcc.dg/torture/pr62031.c
new file mode 100644
index 000000000..f0dcef44b
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/torture/pr62031.c
@@ -0,0 +1,52 @@
+/* { 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;
+}