opencv/cmake/checks/cpu_rvv.cpp
Xxfore ef0fcb9238
Merge pull request #22938 from Xxfore:4.x
Use reinterpret instead of c-style casting for GCC

Co-authored-by: Xu Zhang <xu.zhang@hexintek.com>
Co-authored-by: Maksim Shabunin <maksim.shabunin@gmail.com>
2023-01-11 14:11:16 +00:00

27 lines
596 B
C++

#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 };
uint64_t ptr[2] = {0x0908060504020100, 0xFFFFFFFF0E0D0C0A};
vuint8m1_t a = vreinterpret_v_u64m1_u8m1(vle64_v_u64m1(ptr, 2));
//vuint8m1_t a = (vuint8m1_t)vle64_v_u64m1(ptr, 2);
vfloat32m1_t val = vle32_v_f32m1((const float*)(src), 4);
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;
}