[src/trunk]: src/lib/libc/arch/i386/string memcpy(3) no longer deals with ove...

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

details:   https://anonhg.NetBSD.org/src/rev/c467262b077f
branches:  trunk
changeset: 538753:c467262b077f
user:      junyoung <junyoung%NetBSD.org@localhost>
date:      Tue Oct 29 06:53:18 2002 +0000

description:
memcpy(3) no longer deals with overlap case; it's now forward-only.

diffstat:

 lib/libc/arch/i386/string/bcopy.S |  4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diffs (24 lines):

diff -r 4f1778b9c41d -r c467262b077f lib/libc/arch/i386/string/bcopy.S
--- a/lib/libc/arch/i386/string/bcopy.S Tue Oct 29 06:44:40 2002 +0000
+++ b/lib/libc/arch/i386/string/bcopy.S Tue Oct 29 06:53:18 2002 +0000
@@ -36,7 +36,7 @@
 #include <machine/asm.h>
 
 #if defined(LIBC_SCCS)
-       RCSID("$NetBSD: bcopy.S,v 1.9 2002/10/29 06:35:17 junyoung Exp $")
+       RCSID("$NetBSD: bcopy.S,v 1.10 2002/10/29 06:53:18 junyoung Exp $")
 #endif
 
        /*
@@ -64,9 +64,11 @@
        movl    16(%esp),%edi
 #endif
        movl    20(%esp),%ecx
+#if !defined(MEMCOPY)
        movl    %edi,%edx
        subl    %esi,%edx
        cmpl    %ecx,%edx       /* overlapping? */
+#endif
        movl    %ecx,%edx
        jb      1f
        cld                     /* nope, copy forwards. */