diff options
author | Ingo Molnar <mingo@kernel.org> | 2018-04-12 09:42:34 +0200 |
---|---|---|
committer | Ingo Molnar <mingo@kernel.org> | 2018-04-12 09:42:34 +0200 |
commit | ef389b734691cdc8beb009dd402135dcdcb86a56 (patch) | |
tree | 9523a37db93cb7c7874a5f18b4d9a7014898b814 /arch/tile/lib/strlen_64.c | |
parent | a774635db5c430cbf21fa5d2f2df3d23aaa8e782 (diff) | |
parent | c76fc98260751e71c884dc1a18a07e427ef033b5 (diff) | |
download | blackbird-obmc-linux-ef389b734691cdc8beb009dd402135dcdcb86a56.tar.gz blackbird-obmc-linux-ef389b734691cdc8beb009dd402135dcdcb86a56.zip |
Merge branch 'WIP.x86/asm' into x86/urgent, because the topic is ready
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/tile/lib/strlen_64.c')
-rw-r--r-- | arch/tile/lib/strlen_64.c | 35 |
1 files changed, 0 insertions, 35 deletions
diff --git a/arch/tile/lib/strlen_64.c b/arch/tile/lib/strlen_64.c deleted file mode 100644 index 9583fc3361fa..000000000000 --- a/arch/tile/lib/strlen_64.c +++ /dev/null @@ -1,35 +0,0 @@ -/* - * Copyright 2011 Tilera Corporation. All Rights Reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation, version 2. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or - * NON INFRINGEMENT. See the GNU General Public License for - * more details. - */ - -#include <linux/types.h> -#include <linux/string.h> -#include <linux/module.h> -#include "string-endian.h" - -size_t strlen(const char *s) -{ - /* Get an aligned pointer. */ - const uintptr_t s_int = (uintptr_t) s; - const uint64_t *p = (const uint64_t *)(s_int & -8); - - /* Read and MASK the first word. */ - uint64_t v = *p | MASK(s_int); - - uint64_t bits; - while ((bits = __insn_v1cmpeqi(v, 0)) == 0) - v = *++p; - - return ((const char *)p) + (CFZ(bits) >> 3) - s; -} -EXPORT_SYMBOL(strlen); |