[src/trunk]: src/lib/libc/arch/i386/string Save a jmp for memcpy(3).

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

details:   https://anonhg.NetBSD.org/src/rev/64b77562e522
branches:  trunk
changeset: 538754:64b77562e522
user:      junyoung <junyoung%NetBSD.org@localhost>
date:      Tue Oct 29 07:01:44 2002 +0000

description:
Save a jmp for memcpy(3).

diffstat:

 lib/libc/arch/i386/string/bcopy.S |  8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)

diffs (30 lines):

diff -r c467262b077f -r 64b77562e522 lib/libc/arch/i386/string/bcopy.S
--- a/lib/libc/arch/i386/string/bcopy.S Tue Oct 29 06:53:18 2002 +0000
+++ b/lib/libc/arch/i386/string/bcopy.S Tue Oct 29 07:01:44 2002 +0000
@@ -36,7 +36,7 @@
 #include <machine/asm.h>
 
 #if defined(LIBC_SCCS)
-       RCSID("$NetBSD: bcopy.S,v 1.10 2002/10/29 06:53:18 junyoung Exp $")
+       RCSID("$NetBSD: bcopy.S,v 1.11 2002/10/29 07:01:44 junyoung Exp $")
 #endif
 
        /*
@@ -64,13 +64,15 @@
        movl    16(%esp),%edi
 #endif
        movl    20(%esp),%ecx
-#if !defined(MEMCOPY)
+#if defined(MEMCOPY)
+       movl    %ecx,%edx
+#else
        movl    %edi,%edx
        subl    %esi,%edx
        cmpl    %ecx,%edx       /* overlapping? */
-#endif
        movl    %ecx,%edx
        jb      1f
+#endif
        cld                     /* nope, copy forwards. */
        shrl    $2,%ecx         /* copy by words */
        rep