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-rw-r--r--sysdeps/tile/tilepro/strchr.c68
1 files changed, 0 insertions, 68 deletions
diff --git a/sysdeps/tile/tilepro/strchr.c b/sysdeps/tile/tilepro/strchr.c
deleted file mode 100644
index 761763851b..0000000000
--- a/sysdeps/tile/tilepro/strchr.c
+++ /dev/null
@@ -1,68 +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>
-
-#undef strchr
-
-char *
-strchr (const char *s, int c)
-{
- int z, g;
-
- /* Get an aligned pointer. */
- const uintptr_t s_int = (uintptr_t) s;
- const uint32_t *p = (const uint32_t *) (s_int & -4);
-
- /* Create four copies of the byte for which we are looking. */
- const uint32_t goal = 0x01010101 * (uint8_t) c;
-
- /* Read the first aligned word, but force bytes before the string to
- match neither zero nor goal (we make sure the high bit of each
- byte is 1, and the low 7 bits are all the opposite of the goal
- byte). Note that this shift count expression works because we
- know shift counts are taken mod 32. */
- const uint32_t before_mask = (1 << (s_int << 3)) - 1;
- uint32_t v = (*p | before_mask) ^ (goal & __insn_shrib (before_mask, 1));
-
- uint32_t zero_matches, goal_matches;
- while (1)
- {
- /* Look for a terminating '\0'. */
- zero_matches = __insn_seqb (v, 0);
-
- /* Look for the goal byte. */
- goal_matches = __insn_seqb (v, goal);
-
- if (__builtin_expect ((zero_matches | goal_matches) != 0, 0))
- break;
-
- v = *++p;
- }
-
- z = __insn_ctz (zero_matches);
- g = __insn_ctz (goal_matches);
-
- /* If we found c before '\0' we got a match. Note that if c == '\0'
- then g == z, and we correctly return the address of the '\0'
- rather than NULL. */
- return (g <= z) ? ((char *) p) + (g >> 3) : NULL;
-}
-weak_alias (strchr, index)
-libc_hidden_builtin_def (strchr)