[src/trunk]: src/sys/arch/amd64/amd64 fix comment, rdx, not edx

[maxv <maxv%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/2d39268a09b4
branches:  trunk
changeset: 356851:2d39268a09b4
user:      maxv <maxv%NetBSD.org@localhost>
date:      Tue Oct 17 07:02:50 2017 +0000

description:
fix comment, rdx, not edx

diffstat:

 sys/arch/amd64/amd64/copy.S |  6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diffs (27 lines):

diff -r 588ba1ff0bf0 -r 2d39268a09b4 sys/arch/amd64/amd64/copy.S
--- a/sys/arch/amd64/amd64/copy.S       Tue Oct 17 06:58:15 2017 +0000
+++ b/sys/arch/amd64/amd64/copy.S       Tue Oct 17 07:02:50 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: copy.S,v 1.25 2017/10/17 06:58:15 maxv Exp $   */
+/*     $NetBSD: copy.S,v 1.26 2017/10/17 07:02:50 maxv Exp $   */
 
 /*
  * Copyright (c) 2001 Wasabi Systems, Inc.
@@ -343,7 +343,7 @@
        xorq    %rax,%rax
        jmp     copystr_return
 
-2:     /* edx is zero -- return EFAULT or ENAMETOOLONG. */
+2:     /* rdx is zero -- return EFAULT or ENAMETOOLONG. */
        callq   smap_enable
        movq    $VM_MAXUSER_ADDRESS,%r11
        cmpq    %r11,%rsi
@@ -384,7 +384,7 @@
        xorl    %eax,%eax
        jmp     6f
 
-4:     /* edx is zero -- return ENAMETOOLONG. */
+4:     /* rdx is zero -- return ENAMETOOLONG. */
        movl    $ENAMETOOLONG,%eax
 
 6:     /* Set *lencopied and return %eax. */