# HG changeset patch
# User Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
# Date 1362584295 -3600
# Node ID 2223b68006cd166a57ee48fd3898d799e3f43a4d
# Parent  3d41998c30de809bffd52daf6efb78c5ea478a7d
Avoid saving rsp in rbp.

diff -r 3d41998c30de -r 2223b68006cd graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64HotSpotBackend.java
--- a/graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64HotSpotBackend.java	Wed Mar 06 16:37:18 2013 +0100
+++ b/graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64HotSpotBackend.java	Wed Mar 06 16:38:15 2013 +0100
@@ -210,7 +210,6 @@
             AMD64MacroAssembler asm = (AMD64MacroAssembler) tasm.asm;
             emitStackOverflowCheck(tasm, false);
             asm.push(rbp);
-            asm.movq(rbp, rsp);
             asm.decrementq(rsp, frameSize - 8); // account for the push of RBP above
             if (GraalOptions.ZapStackOnMethodEntry) {
                 final int intSize = 4;