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changeset 8128:2223b68006cd

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Avoid saving rsp in rbp.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Wed, 06 Mar 2013 16:38:15 +0100
parents 3d41998c30de
children 0106de66dc51
files graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64HotSpotBackend.java
diffstat 1 files changed, 0 insertions(+), 1 deletions(-) [+]
line wrap: on
line diff
--- 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;