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16 lines
432 B
16 lines
432 B
#ifdef _MSC_VER
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#include <Intrin.h>
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#endif
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#include <arm_neon.h>
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int main(int argc, char **argv)
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{
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unsigned char *src = (unsigned char*)argv[argc-1];
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uint8x16_t v1 = vdupq_n_u8(src[0]), v2 = vdupq_n_u8(src[1]);
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uint32x4_t va = vdupq_n_u32(3);
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int ret = (int)vgetq_lane_u32(vdotq_u32(va, v1, v2), 0);
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#ifdef __aarch64__
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ret += (int)vgetq_lane_u32(vdotq_laneq_u32(va, v1, v2, 0), 0);
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#endif
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return ret;
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}
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