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Kumataro
1f674dcdb4
Close https://github.com/opencv/opencv/issues/27413 ### Pull Request Readiness Checklist See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request - [x] I agree to contribute to the project under Apache 2 License. - [x] To the best of my knowledge, the proposed patch is not based on a code under GPL or another license that is incompatible with OpenCV - [x] The PR is proposed to the proper branch - [x] There is a reference to the original bug report and related work - [ ] There is accuracy test, performance test and test data in opencv_extra repository, if applicable Patch to opencv_extra has the same branch name. - [ ] The feature is well documented and sample code can be built with the project CMake
25 lines
595 B
C++
25 lines
595 B
C++
#include <stdio.h>
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#if (defined __GNUC__ && (defined __arm__ || defined __aarch64__)) || (defined _MSC_VER && (defined _M_ARM64 || defined _M_ARM64EC))
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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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