opencv/cmake/checks/cpu_rvv.cpp
Zhangyin ff4c3873f2 Added cmake toolchain for RISC-V with clang.
- Added cross compile cmake file for target riscv64-clang
- Extended cmake for RISC-V and added instruction checks
- Created intrin_rvv.hpp with C++ version universal intrinsics
2020-08-03 20:18:56 +08:00

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#include <stdio.h>
#if defined(__riscv)
# include <riscv_vector.h>
# define CV_RVV 1
#endif
#if defined CV_RVV
int test()
{
const float src[] = { 0.0f, 0.0f, 0.0f, 0.0f };
vfloat32m1_t val = vle32_v_f32m1((const float*)(src));
return (int)vfmv_f_s_f32m1_f32(val);
}
#else
#error "RISC-V vector extension(RVV) is not supported"
#endif
int main()
{
printf("%d\n", test());
return 0;
}