1 files changed, 0 insertions, 116 deletions
diff --git a/gcc-4.8.1/libatomic/config/posix/lock.c b/gcc-4.8.1/libatomic/config/posix/lock.c
deleted file mode 100644
index 0faa8240b..000000000
--- a/gcc-4.8.1/libatomic/config/posix/lock.c
+++ /dev/null
@@ -1,116 +0,0 @@
-/* Copyright (C) 2012-2013 Free Software Foundation, Inc.
-   Contributed by Richard Henderson <rth@redhat.com>.
-
-   This file is part of the GNU Atomic Library (libatomic).
-
-   Libatomic 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; either version 3 of the License, or
-   (at your option) any later version.
-
-   Libatomic 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 General Public License for
-   more details.
-
-   Under Section 7 of GPL version 3, you are granted additional
-   permissions described in the GCC Runtime Library Exception, version
-   3.1, as published by the Free Software Foundation.
-
-   You should have received a copy of the GNU General Public License and
-   a copy of the GCC Runtime Library Exception along with this program;
-   see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#include "libatomic_i.h"
-#include <pthread.h>
-
-
-/* The target page size.  Must be no larger than the runtime page size,
-   lest locking fail with virtual address aliasing (i.e. a page mmaped
-   at two locations).  */
-#ifndef PAGE_SIZE
-#define PAGE_SIZE	4096
-#endif
-
-/* The target cacheline size.  This is an optimization; the padding that
-   should be applied to the locks to keep them from interfering.  */
-#ifndef CACHLINE_SIZE
-#define CACHLINE_SIZE	64
-#endif
-
-/* The granularity at which locks are applied.  Almost certainly the
-   cachline size is the right thing to use here.  */
-#ifndef WATCH_SIZE
-#define WATCH_SIZE	CACHLINE_SIZE
-#endif
-
-struct lock
-{
-  pthread_mutex_t mutex;
-  char pad[sizeof(pthread_mutex_t) < CACHLINE_SIZE
-	   ? CACHLINE_SIZE - sizeof(pthread_mutex_t)
-	   : 0];
-};
-
-#define NLOCKS		(PAGE_SIZE / WATCH_SIZE)
-static struct lock locks[NLOCKS] = {
-  [0 ... NLOCKS-1].mutex = PTHREAD_MUTEX_INITIALIZER
-};
-
-static inline uintptr_t 
-addr_hash (void *ptr)
-{
-  return ((uintptr_t)ptr / WATCH_SIZE) % NLOCKS;
-}
-
-void
-libat_lock_1 (void *ptr)
-{
-  pthread_mutex_lock (&locks[addr_hash (ptr)].mutex);
-}
-
-void
-libat_unlock_1 (void *ptr)
-{
-  pthread_mutex_unlock (&locks[addr_hash (ptr)].mutex);
-}
-
-void
-libat_lock_n (void *ptr, size_t n)
-{
-  uintptr_t h = addr_hash (ptr);
-  size_t i = 0;
-
-  /* Don't lock more than all the locks we have.  */
-  if (n > PAGE_SIZE)
-    n = PAGE_SIZE;
-
-  do
-    {
-      pthread_mutex_lock (&locks[h].mutex);
-      if (++h == NLOCKS)
-	h = 0;
-      i += WATCH_SIZE;
-    }
-  while (i < n);
-}
-
-void
-libat_unlock_n (void *ptr, size_t n)
-{
-  uintptr_t h = addr_hash (ptr);
-  size_t i = 0;
-
-  if (n > PAGE_SIZE)
-    n = PAGE_SIZE;
-
-  do
-    {
-      pthread_mutex_unlock (&locks[h].mutex);
-      if (++h == NLOCKS)
-	h = 0;
-      i += WATCH_SIZE;
-    }
-  while (i < n);
-}