test/jdk/jdk/incubator/vector/templates/Perf-Scalar-Blend-op.template

rev 55606 : 8221812: Fine-tune jmh test for vector api
Summary: To compare performance of vector api and auto vectorization, vector
api and scalar test cases are updated to keep aligned.
Reviewed-by: duke

@@ -1,17 +1,19 @@
 
     @Benchmark
-    public Object [[TEST]][[TEST_TYPE]][[OP_NAME]]() {
+    public void [[TEST]][[TEST_TYPE]][[OP_NAME]](Blackhole bh) {
         $type$[] as = fa.apply(size);
         $type$[] bs = fb.apply(size);
         $type$[] rs = fr.apply(size);
         boolean[] ms = fm.apply(size);
 
+        for (int ic = 0; ic < INVOC_COUNT; ic++) {
         for (int i = 0; i < as.length; i++) {
             $type$ a = as[i];
             $type$ b = bs[i];
             boolean m = ms[i % ms.length];
             rs[i] = (m ? b : a);
         }
+        }
 
-        return rs;
+        bh.consume(rs);
     }