# HG changeset patch
# User Doug Simon <doug.simon@oracle.com>
# Date 1433417816 -7200
# Node ID 1a4c3fdee9368620447f5c4d5a95535ee4023272
# Parent  d915361cc3a1ea748e86d6fa30534ed92bb7f463
only need a 32-bit move instead of a 64-bit move for stack banging

diff -r d915361cc3a1 -r 1a4c3fdee936 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	Thu Jun 04 13:35:47 2015 +0200
+++ b/graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64HotSpotBackend.java	Thu Jun 04 13:36:56 2015 +0200
@@ -122,7 +122,7 @@
                     }
                     crb.blockComment("[stack overflow check]");
                     int pos = asm.position();
-                    asm.movq(new AMD64Address(rsp, -disp), AMD64.rax);
+                    asm.movl(new AMD64Address(rsp, -disp), AMD64.rax);
                     assert i > 0 || !isVerifiedEntryPoint || asm.position() - pos >= PATCHED_VERIFIED_ENTRY_POINT_INSTRUCTION_SIZE;
                 }
             }