Intel® C++ Compiler Classic Developer Guide and Reference
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Visible to Intel only — GUID: GUID-133291D8-7D72-4340-B003-0DABCF415B3E
Visible to Intel only — GUID: GUID-133291D8-7D72-4340-B003-0DABCF415B3E
_mm256_movemask_ps
Extracts float32 sign mask. The corresponding Intel® AVX instruction is VMOVMSKPS.
Syntax
extern int _mm256_movemask_ps(__m256 a; |
Arguments
a |
float32 source vector |
Description
Performs an extract operation of sign bits from eight single-precision floating point elements (float32 elements) of the source vector a, and composes them into bitmasks.
Returns
An integer bitmask of eight meaningful bits.