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Fix v_signmask for RISC-V Vector.

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This commit is contained in:
HAN Liutong 2022-09-23 11:28:50 +00:00
parent 04ebedb6f0
commit df24bd295d
2 changed files with 2 additions and 1 deletions
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2
modules/core/include/opencv2/core/hal/intrin_rvv_scalable.hpp
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@ -1618,7 +1618,7 @@ inline int v_signmask(const _Tpvec& a) \
{ \
uint8_t ans[4] = {0}; \
vsm(ans, vmslt(a, 0, VTraits<_Tpvec>::vlanes()), VTraits<_Tpvec>::vlanes()); \
return *(reinterpret_cast<int*>(ans)); \
return *(reinterpret_cast<int*>(ans)) & (((__int128_t)1 << VTraits<_Tpvec>::vlanes()) - 1); \
} \
inline int v_scan_forward(const _Tpvec& a) \
{ \

1
modules/core/test/test_intrin_utils.hpp
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@ -1081,6 +1081,7 @@ template<typename R> struct TheTest
typedef typename VTraits<uint_reg>::lane_type uint_type;
Data<R> dataA, dataB(0), dataC, dataD(1), dataE(2);
dataA[0] = std::numeric_limits<int_type>::max();
dataA[1] *= (LaneType)-1;
union
{