# HG changeset patch
# User Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
# Date 1400887946 -7200
# Node ID e5e7d9dfff1ac3e32ca290663ad245728759de80
# Parent  4d18c6bb6b3a6da8144c14ade4444df4580827bb
LinearScan: Clean up interval comparator and replace with lambda form.

diff -r 4d18c6bb6b3a -r e5e7d9dfff1a graal/com.oracle.graal.compiler/src/com/oracle/graal/compiler/alloc/LinearScan.java
--- a/graal/com.oracle.graal.compiler/src/com/oracle/graal/compiler/alloc/LinearScan.java	Sat May 24 01:16:09 2014 +0200
+++ b/graal/com.oracle.graal.compiler/src/com/oracle/graal/compiler/alloc/LinearScan.java	Sat May 24 01:32:26 2014 +0200
@@ -1366,7 +1366,7 @@
         int newLen = newList.length;
 
         // conventional sort-algorithm for new intervals
-        Arrays.sort(newList, INTERVAL_COMPARATOR);
+        Arrays.sort(newList, (Interval a, Interval b) -> a.from() - b.from());
 
         // merge old and new list (both already sorted) into one combined list
         Interval[] combinedList = new Interval[oldLen + newLen];
@@ -1386,25 +1386,6 @@
         sortedIntervals = combinedList;
     }
 
-    private static final Comparator<Interval> INTERVAL_COMPARATOR = new Comparator<Interval>() {
-
-        public int compare(Interval a, Interval b) {
-            if (a != null) {
-                if (b != null) {
-                    return a.from() - b.from();
-                } else {
-                    return -1;
-                }
-            } else {
-                if (b != null) {
-                    return 1;
-                } else {
-                    return 0;
-                }
-            }
-        }
-    };
-
     public void allocateRegisters() {
         try (Indent indent = Debug.logAndIndent("allocate registers")) {
             Interval precoloredIntervals;