[src/trunk]: src/lib/libc/arch/i386/string Get rid of pointer wraparound chec...

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

details:   https://anonhg.NetBSD.org/src/rev/0ca8b68c71dc
branches:  trunk
changeset: 538751:0ca8b68c71dc
user:      junyoung <junyoung%NetBSD.org@localhost>
date:      Tue Oct 29 06:35:17 2002 +0000

description:
Get rid of pointer wraparound check. Ok'ed by TAMURA Kent.

diffstat:

 lib/libc/arch/i386/string/bcopy.S |  55 +--------------------------------------
 1 files changed, 1 insertions(+), 54 deletions(-)

diffs (76 lines):

diff -r 0cfcf2d4d06f -r 0ca8b68c71dc lib/libc/arch/i386/string/bcopy.S
--- a/lib/libc/arch/i386/string/bcopy.S Tue Oct 29 06:19:37 2002 +0000
+++ b/lib/libc/arch/i386/string/bcopy.S Tue Oct 29 06:35:17 2002 +0000
@@ -36,7 +36,7 @@
 #include <machine/asm.h>
 
 #if defined(LIBC_SCCS)
-       RCSID("$NetBSD: bcopy.S,v 1.8 2002/07/10 06:01:51 kent Exp $")
+       RCSID("$NetBSD: bcopy.S,v 1.9 2002/10/29 06:35:17 junyoung Exp $")
 #endif
 
        /*
@@ -83,42 +83,6 @@
 1:
        addl    %ecx,%edi       /* copy backwards. */
        addl    %ecx,%esi
-
-#ifdef _DIAGNOSTIC
-                               /* check pointer wraparound */
-#if defined(MEMCOPY) || defined(MEMMOVE)
-       cmpl    12(%esp),%edi
-#else
-       cmpl    16(%esp),%edi
-#endif
-       jae     2f
-       pushl   $diagmes1
-       pushl   $func
-       pushl   $__LINE__-4
-       jmp     4f
-2:     
-#if defined(MEMCOPY) || defined(MEMMOVE)
-       cmpl    16(%esp),%esi
-#else
-       cmpl    12(%esp),%esi
-#endif
-       jae     3f
-       pushl   $diagmes2
-       pushl   $func
-       pushl   $__LINE__-4
-4:     
-       pushl   $file
-       call    _C_LABEL(__diagassert13)
-       addl    $16,%esp
-#if defined(MEMCOPY) || defined(MEMMOVE)
-       movl    12(%esp),%eax
-#endif
-       popl    %edi
-       popl    %esi
-       ret
-3:
-#endif /* _DIAGNOSTIC */
-
        std
        andl    $3,%ecx         /* any fractional bytes? */
        decl    %edi
@@ -135,20 +99,3 @@
        popl    %esi
        cld
        ret
-
-#ifdef _DIAGNOSTIC
-file:
-       .asciz  __FILE__
-func:
-#if defined(MEMCOPY)
-       .asciz  "memcpy"
-#elseif defined(MEMMOVE)
-       .asciz  "memmove"
-#else
-       .asciz  "bcopy"
-#endif
-diagmes1:
-       .asciz  "src + length > src"
-diagmes2:
-       .asciz  "dst + length > dst"
-#endif /* _DIAGNOSTIC */