opencv

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#include <stdio.h>
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#if !defined(__riscv) || !defined(__riscv_v)
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#error "RISC-V or vector extension(RVV) is not supported by the compiler"
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#endif
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#if !defined(__THEAD_VERSION__) && defined(__riscv_v_intrinsic) && __riscv_v_intrinsic < 12000
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#error "Wrong intrinsics version, v0.12 or higher is required for gcc or clang"
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#endif
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#include <riscv_vector.h>
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#ifdef __THEAD_VERSION__
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int test()
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{
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    const float src[] = { 0.0f, 0.0f, 0.0f, 0.0f };
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    uint64_t ptr[2] = {0x0908060504020100, 0xFFFFFFFF0E0D0C0A};
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    vuint8m1_t a = vreinterpret_v_u64m1_u8m1(vle64_v_u64m1(ptr, 2));
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    vfloat32m1_t val = vle32_v_f32m1((const float*)(src), 4);
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    return (int)vfmv_f_s_f32m1_f32(val);
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}
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#else
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int test()
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{
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    const float src[] = { 0.0f, 0.0f, 0.0f, 0.0f };
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    uint64_t ptr[2] = {0x0908060504020100, 0xFFFFFFFF0E0D0C0A};
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    vuint8m1_t a = __riscv_vreinterpret_v_u64m1_u8m1(__riscv_vle64_v_u64m1(ptr, 2));
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    vfloat32m1_t val = __riscv_vle32_v_f32m1((const float*)(src), 4);
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    return (int)__riscv_vfmv_f_s_f32m1_f32(val);
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}
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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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