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-rw-r--r--sysdeps/tile/tilepro/memchr.c72
1 files changed, 0 insertions, 72 deletions
diff --git a/sysdeps/tile/tilepro/memchr.c b/sysdeps/tile/tilepro/memchr.c
deleted file mode 100644
index 9f149d28c1..0000000000
--- a/sysdeps/tile/tilepro/memchr.c
+++ /dev/null
@@ -1,72 +0,0 @@
-/* Copyright (C) 2011-2016 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library 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. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library. If not, see
- <http://www.gnu.org/licenses/>. */
-
-#include <string.h>
-#include <stdint.h>
-
-void *
-__memchr (const void *s, int c, size_t n)
-{
- const uint32_t *last_word_ptr;
- const uint32_t *p;
- const char *last_byte_ptr;
- uintptr_t s_int;
- uint32_t goal, before_mask, v, bits;
- char *ret;
-
- if (__builtin_expect (n == 0, 0))
- {
- /* Don't dereference any memory if the array is empty. */
- return NULL;
- }
-
- /* Get an aligned pointer. */
- s_int = (uintptr_t) s;
- p = (const uint32_t *) (s_int & -4);
-
- /* Create four copies of the byte for which we are looking. */
- goal = 0x01010101 * (uint8_t) c;
-
- /* Read the first word, but munge it so that bytes before the array
- will not match goal. Note that this shift count expression works
- because we know shift counts are taken mod 32. */
- before_mask = (1 << (s_int << 3)) - 1;
- v = (*p | before_mask) ^ (goal & before_mask);
-
- /* Compute the address of the last byte. */
- last_byte_ptr = (const char *) s + n - 1;
-
- /* Compute the address of the word containing the last byte. */
- last_word_ptr = (const uint32_t *) ((uintptr_t) last_byte_ptr & -4);
-
- while ((bits = __insn_seqb (v, goal)) == 0)
- {
- if (__builtin_expect (p == last_word_ptr, 0))
- {
- /* We already read the last word in the array, so give up. */
- return NULL;
- }
- v = *++p;
- }
-
- /* We found a match, but it might be in a byte past the end of the array. */
- ret = ((char *) p) + (__insn_ctz (bits) >> 3);
- return (ret <= last_byte_ptr) ? ret : NULL;
-}
-weak_alias (__memchr, memchr)
-libc_hidden_builtin_def (memchr)