1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
| #ifdef _MSC_VER
| #include <Intrin.h>
| #endif
| #include <arm_neon.h>
|
| int main(int argc, char **argv)
| {
| unsigned char *src = (unsigned char*)argv[argc-1];
| uint8x16_t v1 = vdupq_n_u8(src[0]), v2 = vdupq_n_u8(src[1]);
| uint32x4_t va = vdupq_n_u32(3);
| int ret = (int)vgetq_lane_u32(vdotq_u32(va, v1, v2), 0);
| #ifdef __aarch64__
| ret += (int)vgetq_lane_u32(vdotq_laneq_u32(va, v1, v2, 0), 0);
| #endif
| return ret;
| }
|
|