Index: /trunk/src/VBox/Runtime/common/asm/ASMXRstor.asm
===================================================================
--- /trunk/src/VBox/Runtime/common/asm/ASMXRstor.asm	(revision 55728)
+++ /trunk/src/VBox/Runtime/common/asm/ASMXRstor.asm	(revision 55729)
@@ -43,7 +43,6 @@
 SEH64_END_PROLOGUE
 %ifdef ASM_CALL64_MSC
-        mov     rdx, rdx
+        mov     eax, edx
         shr     rdx, 32
-        mov     eax, edx
         xrstor  [rcx]
 %elifdef ASM_CALL64_GCC
Index: /trunk/src/VBox/Runtime/common/asm/ASMXSave.asm
===================================================================
--- /trunk/src/VBox/Runtime/common/asm/ASMXSave.asm	(revision 55728)
+++ /trunk/src/VBox/Runtime/common/asm/ASMXSave.asm	(revision 55729)
@@ -43,7 +43,6 @@
 SEH64_END_PROLOGUE
 %ifdef ASM_CALL64_MSC
-        mov     rdx, rdx
+        mov     eax, edx
         shr     rdx, 32
-        mov     eax, edx
         xsave   [rcx]
 %elifdef ASM_CALL64_GCC