# HG changeset patch
# User Doug Simon <doug.simon@oracle.com>
# Date 1341864732 -7200
# Node ID af9ad0e0452db03c31eeffb6b9b90db4aac44a56
# Parent  6c80d73cf81af3cec9cd876e4c6bed67e04e0d25
use more efficient Unsafe API for getting array base and index values

diff -r 6c80d73cf81a -r af9ad0e0452d graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/counters/MethodEntryCounters.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/counters/MethodEntryCounters.java	Mon Jul 09 22:09:36 2012 +0200
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/counters/MethodEntryCounters.java	Mon Jul 09 22:12:12 2012 +0200
@@ -80,8 +80,8 @@
         @Override
         public void emitCode(TargetMethodAssembler tasm, AMD64MacroAssembler masm) {
             int start = masm.codeBuffer.position();
-            int off = Unsafe.getUnsafe().arrayBaseOffset(long[].class);
-            int scale = Unsafe.getUnsafe().arrayIndexScale(long[].class);
+            int off = Unsafe.ARRAY_LONG_BASE_OFFSET;
+            int scale = Unsafe.ARRAY_LONG_INDEX_SCALE;
 
             AMD64Move.move(tasm, masm, counterArr, Constant.forObject(counter.counts));
             AMD64Move.load(tasm, masm, callerPc, new Address(Kind.Long, AMD64.rbp.asValue(Kind.Long), 8), null);