__lasx_xvsadd_wu
LASX intrinsic · group: Integer Computation
Synopsis
__m256i __lasx_xvsadd_wu (__m256i a, __m256i b)
#include <lasxintrin.h>
Instruction: xvsadd.wu xr, xr, xr
CPU Flags: LASX
Description
Saturating add corresponding unsigned 32-bit elements in a and b, store the result to dst.
Operation
for (int i = 0; i < 8; i++) {
dst.word[i] = (u32)sadd((u32)a.word[i], (u32)b.word[i]);
}
Tested on real machine.
Latency and Throughput
| CPU | µarch | Latency | Throughput (IPC) |
|---|---|---|---|
| 3C5000 | LA464 | 1 | 2 |
| 3A6000 | LA664 | 1 | 4 |
| 3C6000 | LA664 | 1 | 4 |