1 files changed, 47 insertions, 0 deletions
diff --git a/libgomp/alloc.c b/libgomp/alloc.c
index 1bf4042..296f1af 100644
--- a/libgomp/alloc.c
+++ b/libgomp/alloc.c
@@ -57,3 +57,50 @@ gomp_realloc (void *old, size_t size)
     gomp_fatal ("Out of memory allocating %lu bytes", (unsigned long) size);
   return ret;
 }
+
+void *
+gomp_aligned_alloc (size_t al, size_t size)
+{
+  void *ret;
+  if (al < sizeof (void *))
+    al = sizeof (void *);
+#ifdef HAVE_ALIGNED_ALLOC
+  ret = aligned_alloc (al, size);
+#elif defined(HAVE__ALIGNED_MALLOC)
+  ret = _aligned_malloc (size, al);
+#elif defined(HAVE_POSIX_MEMALIGN)
+  if (posix_memalign (&ret, al, size) != 0)
+    ret = NULL;
+#elif defined(HAVE_MEMALIGN)
+  {
+    extern void *memalign (size_t, size_t);
+    ret = memalign (al, size);
+  }
+#else
+  ret = NULL;
+  if ((al & (al - 1)) == 0 && size)
+    {
+      void *p = malloc (size + al);
+      if (p)
+	{
+	  void *ap = (void *) (((uintptr_t) p + al) & -al);
+	  ((void **) ap)[-1] = p;
+	  ret = ap;
+	}
+    }
+#endif
+  if (ret == NULL)
+    gomp_fatal ("Out of memory allocating %lu bytes", (unsigned long) size);
+  return ret;
+}
+
+void
+gomp_aligned_free (void *ptr)
+{
+#ifdef GOMP_HAVE_EFFICIENT_ALIGNED_ALLOC
+  free (ptr);
+#else
+  if (ptr)
+    free (((void **) ptr)[-1]);
+#endif
+}