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| author | Jeremy Johnson <jeremy.johnson@arm.com> | 2022-01-18 14:48:35 +0000 |
|---|---|---|
| committer | Eric Kunze <eric.kunze@arm.com> | 2022-01-20 17:03:29 +0000 |
| commit | 66bad80a98307246f94f8b69d2a62f4649e71455 (patch) | |
| tree | 86efc7c1823395071b8a2e31b111de798169ae0d /reference_model | |
| parent | fcc0914ba6ae140059085326ea723c7b54404146 (diff) | |
| download | reference_model-66bad80a98307246f94f8b69d2a62f4649e71455.tar.gz | |
Fix for LOGICAL_LEFT/RIGHT_SHIFT shift values
Added missing reference model REQUIRE check for shift value (0-31)
Make sure result of LOGICAL_SHIFT_LEFT is masked to input size
Fixed test generation to produce shift values in that range
Signed-off-by: Jeremy Johnson <jeremy.johnson@arm.com>
Change-Id: Id511de0d989ea954fc1afd18dc2051341bce2cd0
Diffstat (limited to 'reference_model')
| -rw-r--r-- | reference_model/src/ops/ewise_binary.cc | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/reference_model/src/ops/ewise_binary.cc b/reference_model/src/ops/ewise_binary.cc index 287ad92..7f30e30 100644 --- a/reference_model/src/ops/ewise_binary.cc +++ b/reference_model/src/ops/ewise_binary.cc @@ -281,16 +281,27 @@ int OpLogicalAnd<Rank, Dtype>::register_fcn() template <int Rank, DType Dtype> int OpLogicalLeftShift<Rank, Dtype>::register_fcn() { + int32_t num_bits = 0; switch (Dtype) { case DType_INT8: + num_bits = 8; + break; case DType_INT16: + num_bits = 16; + break; case DType_INT32: - this->fcn = [](InEigenType a, InEigenType b) -> OutEigenType { return a << b; }; + num_bits = 32; break; default: ERROR_IF(true, "unsupported DType %s", EnumNamesDType()[Dtype]); } + this->fcn = [this, num_bits](InEigenType a, InEigenType b) -> OutEigenType { + uint32_t mask = ONES_MASK(num_bits); + REQUIRE(b >= 0 && b <= 31, "OpLogicalLeftShift: shift value %d is out of valid range [0, 31]", + (int32_t)b); + return (a << b) & mask; + }; return 0; } @@ -314,8 +325,10 @@ int OpLogicalRightShift<Rank, Dtype>::register_fcn() ERROR_IF(true, "unsupported DType %s", EnumNamesDType()[Dtype]); } - this->fcn = [num_bits](InEigenType a, InEigenType b) -> OutEigenType { + this->fcn = [this, num_bits](InEigenType a, InEigenType b) -> OutEigenType { uint32_t mask = ONES_MASK(num_bits) >> b; + REQUIRE(b >= 0 && b <= 31, "OpLogicalRightShift: shift value %d is out of valid range [0, 31]", + (int32_t)b); return (a >> b) & mask; }; |