| description | title | ms.date | f1_keywords | helpviewer_keywords | ms.assetid | ||
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Learn more about: __m128d |
__m128d |
11/04/2016 |
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8082c7c0-a955-4b53-9d82-9bb91c623f72 |
Microsoft Specific
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;
}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