_mm256_extractf128_pd

Extracts 128-bit packed float64 values. The corresponding Intel® AVX instruction is VEXTRACTF128.

Syntax

extern __m128d _mm256_extractf128_pd(__m256d m1, const int offset);

Arguments

m1

float64 source vector

offset

a constant integer value that represents the 128-bit offset from where extraction must start

Description

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.

Returns

Result of the extraction operation.

Para obtener información más completa sobre las optimizaciones del compilador, consulte nuestro Aviso de optimización.