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changeset 7842:d6086afdc642

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fix livein computation in liveness analysis
author Lukas Stadler <lukas.stadler@jku.at>
date Mon, 25 Feb 2013 18:33:38 +0100
parents 674a8b9e62f8
children dbbdc0a30a16
files graal/com.oracle.graal.java/src/com/oracle/graal/java/BciBlockMapping.java
diffstat 1 files changed, 1 insertions(+), 1 deletions(-) [+]
line wrap: on
line diff
--- a/graal/com.oracle.graal.java/src/com/oracle/graal/java/BciBlockMapping.java	Mon Feb 25 16:15:17 2013 +0100
+++ b/graal/com.oracle.graal.java/src/com/oracle/graal/java/BciBlockMapping.java	Mon Feb 25 18:33:38 2013 +0100
@@ -758,7 +758,7 @@
                 if (blockChanged) {
                     block.localsLiveIn.clear();
                     block.localsLiveIn.or(block.localsLiveOut);
-                    block.localsLiveIn.xor(block.localsLiveKill);
+                    block.localsLiveIn.andNot(block.localsLiveKill);
                     block.localsLiveIn.or(block.localsLiveGen);
                     Debug.log("  end   B%d  [%d, %d]  in: %s  out: %s  gen: %s  kill: %s", block.blockID, block.startBci, block.endBci, block.localsLiveIn, block.localsLiveOut, block.localsLiveGen,
                                     block.localsLiveKill);