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Open Source Computer Vision Library
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56 lines
1.2 KiB
56 lines
1.2 KiB
// check sanity of vsx aligned ld/st |
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// https://github.com/opencv/opencv/issues/13211 |
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#include <altivec.h> |
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#undef bool |
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#define vsx_ld vec_vsx_ld |
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#define vsx_st vec_vsx_st |
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template<typename T> |
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static void fill(T& d, int from = 0, int to = 16) |
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{ |
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for (int i = from; i < to; i++) |
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d[i] = i; |
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} |
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template<typename T, typename Tvec> |
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static bool check_data(T& d, Tvec& v, int from = 0, int to = 16) |
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{ |
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for (int i = from; i < to; i++) |
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{ |
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if (d[i] != vec_extract(v, i)) |
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return false; |
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} |
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return true; |
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} |
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int main() |
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{ |
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unsigned char __attribute__ ((aligned (16))) rbuf[16]; |
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unsigned char __attribute__ ((aligned (16))) wbuf[16]; |
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__vector unsigned char a; |
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// 1- check aligned load and store |
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fill(rbuf); |
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a = vec_ld(0, rbuf); |
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if (!check_data(rbuf, a)) |
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return 1; |
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vec_st(a, 0, wbuf); |
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if (!check_data(wbuf, a)) |
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return 11; |
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// 2- check mixing aligned load and unaligned store |
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a = vec_ld(0, rbuf); |
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vsx_st(a, 0, wbuf); |
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if (!check_data(wbuf, a)) |
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return 2; |
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// 3- check mixing unaligned load and aligned store |
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a = vsx_ld(0, rbuf); |
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vec_st(a, 0, wbuf); |
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if (!check_data(wbuf, a)) |
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return 3; |
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return 0; |
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} |