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diff --git a/gc-7.2/libatomic_ops/src/atomic_ops/sysdeps/aligned_atomic_load_store.h b/gc-7.2/libatomic_ops/src/atomic_ops/sysdeps/aligned_atomic_load_store.h
new file mode 100644
index 0000000..d24fe1d
--- /dev/null
+++ b/gc-7.2/libatomic_ops/src/atomic_ops/sysdeps/aligned_atomic_load_store.h
@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2003 Hewlett-Packard Development Company, L.P.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+/* Definitions for architectures on which loads and stores of AO_t are  */
+/* atomic fo all legal alignments.                                      */
+
+AO_INLINE AO_t
+AO_load(const volatile AO_t *addr)
+{
+  assert(((size_t)addr & (sizeof(AO_t) - 1)) == 0);
+  /* Cast away the volatile for architectures where             */
+  /* volatile adds barrier semantics.                           */
+  return *(AO_t *)addr;
+}
+#define AO_HAVE_load
+
+AO_INLINE void
+AO_store(volatile AO_t *addr, AO_t new_val)
+{
+  assert(((size_t)addr & (sizeof(AO_t) - 1)) == 0);
+  (*(AO_t *)addr) = new_val;
+}
+#define AO_HAVE_store