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| author | Ulrich Drepper <drepper@redhat.com> | 2010-08-26 22:12:16 -0700 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2010-08-26 22:12:16 -0700 |
| commit | 107b2fa56c15572ae56fb4ed18b50b58aff39b7f (patch) | |
| tree | 27a775ef82b208361ef973e4aa8fa80799f75e8b | |
| parent | 623aac7f84dfddee9bcf9d51f23612479cf672ec (diff) | |
| download | glibc-107b2fa56c15572ae56fb4ed18b50b58aff39b7f.tar.gz glibc-107b2fa56c15572ae56fb4ed18b50b58aff39b7f.tar.xz glibc-107b2fa56c15572ae56fb4ed18b50b58aff39b7f.zip | |
Shorten x86-64 strlen a bit.
| -rw-r--r-- | sysdeps/x86_64/strlen.S | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/sysdeps/x86_64/strlen.S b/sysdeps/x86_64/strlen.S index 7880c1d5e5..ee943775e6 100644 --- 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) |