Intel® C++ Compiler 16.0 User and Reference Guide
Extracts 128-bit packed float64 values. The corresponding Intel® AVX instruction is VEXTRACTF128.
extern __m128d _mm256_extractf128_pd(__m256d m1, const int offset); |
m1 |
float64 source vector |
offset |
a constant integer value that represents the 128-bit offset from where extraction must start |
Extracts 128-bit packed double-precision floating point values (float64 values) from the source vector m1, starting from the location specified by the value in the offset parameter.
Result of the extraction operation.