# HG changeset patch
# User Christos Kotselidis <christos.kotselidis@oracle.com>
# Date 1371805690 -7200
# Node ID e98e021d1e7ec3c5de2c875e4c3ba10306d68095
# Parent  89c15a40ef35f6c72b17ab7a76328e3e62866290
Forbid direct eden allocation when G1 is enabled

diff -r 89c15a40ef35 -r e98e021d1e7e graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/stubs/NewInstanceStub.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/stubs/NewInstanceStub.java	Thu Jun 20 17:30:39 2013 +0200
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/stubs/NewInstanceStub.java	Fri Jun 21 11:08:10 2013 +0200
@@ -121,6 +121,11 @@
      *         operation was unsuccessful
      */
     static Word refillAllocate(Word intArrayHub, int sizeInBytes, boolean log) {
+        // If G1 is enabled, the "eden" allocation space is not the same always
+        // and therefore we have to go to slowpath to allocate a new TLAB.
+        if (HotSpotReplacementsUtil.useG1GC()) {
+            return Word.zero();
+        }
         if (!useTLAB()) {
             return edenAllocate(Word.unsigned(sizeInBytes), log);
         }