| title |
__m128d | Microsoft Docs |
| ms.custom |
|
| ms.date |
11/04/2016 |
| ms.reviewer |
|
| ms.suite |
|
| ms.technology |
|
| ms.tgt_pltfrm |
|
| ms.topic |
language-reference |
| f1_keywords |
|
| dev_langs |
|
| helpviewer_keywords |
|
| ms.assetid |
8082c7c0-a955-4b53-9d82-9bb91c623f72 |
| caps.latest.revision |
8 |
| author |
mikeblome |
| ms.author |
mblome |
| manager |
ghogen |
| translation.priority.ht |
de-de |
es-es |
fr-fr |
it-it |
ja-jp |
ko-kr |
ru-ru |
zh-cn |
zh-tw |
|
| translation.priority.mt |
|
The __m128d data type, for use with the Streaming SIMD Extensions 2 instructions intrinsics, is defined in emmintrin.h.
// data_types__m128d.cpp
#include <emmintrin.h>
int main() {
__m128d x;
}
Remarks
You should not access the __m128d fields directly. You can, however, see these types in the debugger. A variable of type __m128 maps to the XMM[0-7] registers.
Variables of type _m128d are automatically aligned on 16-byte boundaries.
The __m128d data type is not supported on ARM processors.
END Microsoft Specific
Keywords
Fundamental Types
Data Type Ranges