X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~mdw/git/xchg-rax-rax/blobdiff_plain/06297a937874bfd892c0c85ace29fb26a4a0ddc0..2ed85f8c17823aeb37bb488d04fd3edea95722f9:/xchg.S

diff --git a/xchg.S b/xchg.S
index 5374727..12aeeba 100644
--- a/xchg.S
+++ b/xchg.S
@@ -478,9 +478,9 @@ endproc
 
 proc	x16
 
-  shl rax, 56
-  shl rbx, 56
-  shl rcx, 56
+  //shl rax, 56
+  //shl rbx, 56
+  //shl rcx, 56
 
 	xor	rax, rbx		// a' = a XOR b
 	xor	rbx, rcx		// b' = b XOR c