Mercurial > hg > truffle

changeset 18706:b6e98df9ba7d

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
HotSpotReferenceMap: fix bitmap clearing in setOop()/clearOop() and setNarrowOop()/clearNarrowOop().
author Josef Eisl <josef.eisl@jku.at>
date Tue, 16 Dec 2014 21:02:12 +0100
parents 5dcb9fdea75a
children 3d4e1284d39e
files graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/HotSpotReferenceMap.java
diffstat 1 files changed, 4 insertions(+), 4 deletions(-) [+]
line wrap: on
line diff
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/HotSpotReferenceMap.java	Wed Dec 17 08:04:57 2014 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/HotSpotReferenceMap.java	Tue Dec 16 21:02:12 2014 +0100
@@ -94,7 +94,7 @@
 
     private static void setOop(BitSet map, int startIdx, LIRKind kind) {
         int length = kind.getPlatformKind().getVectorLength();
-        map.clear(BITS_PER_WORD * startIdx, BITS_PER_WORD * (startIdx + length) - 1);
+        map.clear(BITS_PER_WORD * startIdx, BITS_PER_WORD * (startIdx + length));
         for (int i = 0, idx = BITS_PER_WORD * startIdx; i < length; i++, idx += BITS_PER_WORD) {
             if (kind.isReference(i)) {
                 map.set(idx);
@@ -105,7 +105,7 @@
     private static void setNarrowOop(BitSet map, int idx, LIRKind kind) {
         int length = kind.getPlatformKind().getVectorLength();
         int nextIdx = idx + (length + 1) / 2;
-        map.clear(BITS_PER_WORD * idx, BITS_PER_WORD * nextIdx - 1);
+        map.clear(BITS_PER_WORD * idx, BITS_PER_WORD * nextIdx);
         for (int i = 0, regIdx = BITS_PER_WORD * idx; i < length; i += 2, regIdx += BITS_PER_WORD) {
             if (kind.isReference(i)) {
                 map.set(regIdx);
@@ -179,13 +179,13 @@
 
     private static void clearOop(BitSet map, int startIdx, LIRKind kind) {
         int length = kind.getPlatformKind().getVectorLength();
-        map.clear(BITS_PER_WORD * startIdx, BITS_PER_WORD * (startIdx + length) - 1);
+        map.clear(BITS_PER_WORD * startIdx, BITS_PER_WORD * (startIdx + length));
     }
 
     private static void clearNarrowOop(BitSet map, int idx, LIRKind kind) {
         int length = kind.getPlatformKind().getVectorLength();
         int nextIdx = idx + (length + 1) / 2;
-        map.clear(BITS_PER_WORD * idx, BITS_PER_WORD * nextIdx - 1);
+        map.clear(BITS_PER_WORD * idx, BITS_PER_WORD * nextIdx);
     }
 
     public void clearRegister(int idx, LIRKind kind) {