From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <mattatobin@localhost.localdomain>
Date: Fri, 2 Feb 2018 04:16:08 -0500
Subject: Add m-esr52 at 52.6.0

---
 dom/media/webaudio/AlignmentUtils.h | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 dom/media/webaudio/AlignmentUtils.h

(limited to 'dom/media/webaudio/AlignmentUtils.h')

diff --git a/dom/media/webaudio/AlignmentUtils.h b/dom/media/webaudio/AlignmentUtils.h
new file mode 100644
index 000000000..6b145a8ca
--- /dev/null
+++ b/dom/media/webaudio/AlignmentUtils.h
@@ -0,0 +1,29 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 et cindent: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef AlignmentUtils_h__
+#define AlignmentUtils_h__
+
+#define IS_ALIGNED16(ptr) ((((uintptr_t)ptr + 15) & ~0x0F) == (uintptr_t)ptr)
+
+#ifdef DEBUG
+  #define ASSERT_ALIGNED16(ptr)                                                  \
+            MOZ_ASSERT(IS_ALIGNED16(ptr), \
+                       #ptr " has to be aligned to a 16 byte boundary");
+#else
+  #define ASSERT_ALIGNED16(ptr)
+#endif
+
+#ifdef DEBUG
+  #define ASSERT_MULTIPLE16(v) \
+            MOZ_ASSERT(v % 16 == 0, #v " has to be a a multiple of 16");
+#else
+  #define ASSERT_MULTIPLE16(v)
+#endif
+
+#define ALIGNED16(ptr) (float*)(((uintptr_t)ptr + 15) & ~0x0F);
+
+#endif
-- 
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