src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/HotSpotCounterOp.java

rev 52509 : [mq]: graal2

*** 25,34 ****
--- 25,36 ----
  package org.graalvm.compiler.hotspot;
  
  import static jdk.vm.ci.code.ValueUtil.isRegister;
  import static org.graalvm.compiler.lir.LIRValueUtil.asJavaConstant;
  import static org.graalvm.compiler.lir.LIRValueUtil.isJavaConstant;
+ import static org.graalvm.compiler.nodes.debug.DynamicCounterNode.MAX_INCREMENT;
+ import static org.graalvm.compiler.nodes.debug.DynamicCounterNode.MIN_INCREMENT;
  
  import java.util.Arrays;
  
  import jdk.internal.vm.compiler.collections.EconomicMap;
  import org.graalvm.compiler.asm.Assembler;
*** 67,76 ****
--- 69,93 ----
          this.names = names;
          this.groups = groups;
          this.increments = increments;
          this.thread = registers.getThreadRegister();
          this.config = config;
+         checkIncrements();
+     }
+ 
+     private boolean checkIncrements() {
+         for (int i = 0; i < increments.length; i++) {
+             Value increment = increments[i];
+             if (isJavaConstant(increment)) {
+                 long incValue = asLong(asJavaConstant(increment));
+                 if (incValue < MIN_INCREMENT || incValue > MAX_INCREMENT) {
+                     String message = String.format("Benchmark counter %s:%s has increment out of range [%d .. %d]: %d", groups[i], names[i], MIN_INCREMENT, MAX_INCREMENT, incValue);
+                     assert false : message;
+                 }
+             }
+         }
+         return true;
      }
  
      protected static int getDisplacementForLongIndex(TargetDescription target, long index) {
          long finalDisp = index * target.arch.getPlatformKind(JavaKind.Long).getSizeInBytes();
          if (!NumUtil.isInt(finalDisp)) {