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-rw-r--r--tests/tcg/hexagon/misc.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/tests/tcg/hexagon/misc.c b/tests/tcg/hexagon/misc.c
index e5d78b471f..17c39198fc 100644
--- a/tests/tcg/hexagon/misc.c
+++ b/tests/tcg/hexagon/misc.c
@@ -231,6 +231,14 @@ static void check(int val, int expect)
     }
 }
 
+static void check64(long long val, long long expect)
+{
+    if (val != expect) {
+        printf("ERROR: 0x%016llx != 0x%016llx\n", val, expect);
+        err++;
+    }
+}
+
 uint32_t init[10] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
 uint32_t array[10];
 
@@ -264,6 +272,16 @@ static long long creg_pair(int x, int y)
     return retval;
 }
 
+static long long decbin(long long x, long long y, int *pred)
+{
+    long long retval;
+    asm ("%0 = decbin(%2, %3)\n\t"
+         "%1 = p0\n\t"
+         : "=r"(retval), "=r"(*pred)
+         : "r"(x), "r"(y));
+    return retval;
+}
+
 /* Check that predicates are auto-and'ed in a packet */
 static int auto_and(void)
 {
@@ -282,6 +300,8 @@ static int auto_and(void)
 
 int main()
 {
+    long long res64;
+    int pred;
 
     memcpy(array, init, sizeof(array));
     S4_storerhnew_rr(array, 4, 0xffff);
@@ -391,6 +411,14 @@ int main()
     res = test_clrtnew(2, 7);
     check(res, 7);
 
+    res64 = decbin(0xf0f1f2f3f4f5f6f7LL, 0x7f6f5f4f3f2f1f0fLL, &pred);
+    check64(res64, 0x357980003700010cLL);
+    check(pred, 0);
+
+    res64 = decbin(0xfLL, 0x1bLL, &pred);
+    check64(res64, 0x78000100LL);
+    check(pred, 1);
+
     res = auto_and();
     check(res, 0);