Developer Guide and Reference

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_mm256_movemask_pd

Extracts float64 sign mask. The corresponding Intel® AVX instruction is
VMOVMSKPD
.

Syntax

extern int _mm256_movemask_pd(__m256d a);
Arguments
a
float64 source vector
Description
Performs an extract operation of sign bits from four double-precision floating point elements (float64 elements) of the source vector
a
, and composes them into bitmasks.
Returns
An integer bitmask of four meaningful bits.

Product and Performance Information

1

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