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25 lines
527 B
C++
25 lines
527 B
C++
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#include <stdio.h>
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#if defined __GNUC__ && (defined __arm__ || defined __aarch64__)
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#include "arm_neon.h"
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int test()
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{
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const unsigned int src[] = { 0, 0, 0, 0 };
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unsigned int dst[4];
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uint32x4_t v_src = *(uint32x4_t*)src;
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uint8x16_t v_m0 = *(uint8x16_t*)src;
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uint8x16_t v_m1 = *(uint8x16_t*)src;
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uint32x4_t v_dst = vdotq_u32(v_src, v_m0, v_m1);
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*(uint32x4_t*)dst = v_dst;
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return (int)dst[0];
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}
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#else
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#error "DOTPROD is not supported"
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#endif
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int main()
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{
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printf("%d\n", test());
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return 0;
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}
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