blob: 8dd21979f8abb8b4efe3f49334dffc45f29a6065 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
$NetBSD: patch-mozilla_mfbt_Alignment.h,v 1.2 2015/12/03 12:22:27 ryoon Exp $
--- mozilla/mfbt/Alignment.h.orig 2015-11-04 01:56:08.000000000 +0000
+++ mozilla/mfbt/Alignment.h
@@ -15,6 +15,13 @@
namespace mozilla {
+#if defined(MOZ_HAVE_CXX11_ALIGNAS)
+#define MOZ_ALIGNOF(T) alignof(T)
+#elif defined(__GNUC__)
+#define MOZ_ALIGNOF(T) __alignof__(T)
+#elif defined(_MSC_VER)
+#define MOZ_ALIGNOF(T) __alignof(T)
+#else
/*
* This class, and the corresponding macro MOZ_ALIGNOF, figures out how many
* bytes of alignment a given type needs.
@@ -33,6 +40,7 @@ public:
};
#define MOZ_ALIGNOF(T) mozilla::AlignmentFinder<T>::alignment
+#endif
/*
* Declare the MOZ_ALIGNED_DECL macro for declaring aligned types.
@@ -44,7 +52,10 @@ public:
* will declare a two-character array |arr| aligned to 8 bytes.
*/
-#if defined(__GNUC__)
+#if defined(MOZ_HAVE_CXX11_ALIGNAS)
+# define MOZ_ALIGNED_DECL(_type, _align) \
+ alignas(_align) _type
+#elif defined(__GNUC__)
# define MOZ_ALIGNED_DECL(_type, _align) \
_type __attribute__((aligned(_align)))
#elif defined(_MSC_VER)
|
