__lasx_vext2xv_hu_bu
LASX intrinsic · group: Misc
Synopsis
__m256i __lasx_vext2xv_hu_bu (__m256i a)
#include <lsxintrin.h>
Instruction: vext2xv.hu.bu xr, xr
CPU Flags: LSX
Description
Zero-extend the lowest 16 8-bit elements of a to 16-bit elements.
Operation
for (int i = 0; i < 16; i++) {
dst.half[i] = (u16)(u8)a.byte[i];
}
Tested on real machine.
Latency and Throughput
| CPU | µarch | Latency | Throughput (IPC) |
|---|---|---|---|
| 3C5000 | LA464 | 3 | 2 |
| 3A6000 | LA664 | 3 | 4 |
| 3C6000 | LA664 | 3 | 4 |