Shorten x86-64 strlen a bit.

diff --git a/sysdeps/x86_64/strlen.S b/sysdeps/x86_64/strlen.S
index 7880c1d5e51e66d3313bc89a21c02866381431ea..ee943775e66fdccfb4753c912623c5311151047e 100644 (file)
--- a/sysdeps/x86_64/strlen.S
+++ b/sysdeps/x86_64/strlen.S
@@ -1,7 +1,6 @@
 /* strlen(str) -- determine the length of the string STR.
    Copyright (C) 2009, 2010 Free Software Foundation, Inc.
    Contributed by Ulrich Drepper <drepper@redhat.com>.
-   Modified by Intel Corporation.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -85,22 +84,19 @@ L(exit_less16):
 L(exit16):
        sub     %rdi, %rax
        bsf     %rdx, %rdx
-       add     %rdx, %rax
-       add     $16, %rax
+       lea     16(%rdx), %rax
        ret
        .p2align 4
 L(exit32):
        sub     %rdi, %rax
        bsf     %rdx, %rdx
-       add     %rdx, %rax
-       add     $32, %rax
+       lea     32(%rdx), %rax
        ret
        .p2align 4
 L(exit48):
        sub     %rdi, %rax
        bsf     %rdx, %rdx
-       add     %rdx, %rax
-       add     $48, %rax
+       lea     48(%rdx), %rax
        ret
 END(strlen)
 libc_hidden_builtin_def (strlen)