# HG changeset patch
# User Doug Simon <doug.simon@oracle.com>
# Date 1363006876 -3600
# Node ID 60a90f4334599706507c3e86aa8b468296aba7cd
# Parent  75e8020ed0f5bc75e6b80c493b303517c20f1e09
alignment bug fix (contributed by Mick Jordan)

diff -r 75e8020ed0f5 -r 60a90f433459 graal/com.oracle.graal.lir.amd64/src/com/oracle/graal/lir/amd64/AMD64Call.java
--- a/graal/com.oracle.graal.lir.amd64/src/com/oracle/graal/lir/amd64/AMD64Call.java	Mon Mar 11 12:07:28 2013 +0100
+++ b/graal/com.oracle.graal.lir.amd64/src/com/oracle/graal/lir/amd64/AMD64Call.java	Mon Mar 11 14:01:16 2013 +0100
@@ -63,7 +63,10 @@
             // make sure that the displacement word of the call ends up word aligned
             int offset = masm.codeBuffer.position();
             offset += tasm.target.arch.getMachineCodeCallDisplacementOffset();
-            masm.nop(tasm.target.wordSize - offset % tasm.target.wordSize);
+            int modulus = tasm.target.wordSize;
+            if (offset % modulus != 0) {
+                masm.nop(modulus - offset % modulus);
+            }
         }
     }