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Open Source Computer Vision Library
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37 lines
1.1 KiB
37 lines
1.1 KiB
#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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