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authorIngo Molnar <mingo@kernel.org>2018-04-12 09:42:34 +0200
committerIngo Molnar <mingo@kernel.org>2018-04-12 09:42:34 +0200
commitef389b734691cdc8beb009dd402135dcdcb86a56 (patch)
tree9523a37db93cb7c7874a5f18b4d9a7014898b814 /arch/tile/lib/strlen_64.c
parenta774635db5c430cbf21fa5d2f2df3d23aaa8e782 (diff)
parentc76fc98260751e71c884dc1a18a07e427ef033b5 (diff)
downloadblackbird-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.c35
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);
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