diff options
Diffstat (limited to 'src/interp.cc')
| -rw-r--r-- | src/interp.cc | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/src/interp.cc b/src/interp.cc index bf378f37..5ac421d1 100644 --- a/src/interp.cc +++ b/src/interp.cc @@ -848,6 +848,32 @@ Result Thread::Binop(BinopFunc<R, T> func) { return PushRep<R>(func(lhs_rep, rhs_rep)); } +//// {i8, i16, 132, i64}{16, 8, 4, 2}.(add/sub/mul/neg) +template <typename T, typename L, typename R, typename P> +Result Thread::SimdBinop(BinopFunc<R, P> func) { + auto rhs_rep = PopRep<T>(); + auto lhs_rep = PopRep<T>(); + + // Calculate how many Lanes according to input lane data type. + constexpr int32_t lanes = sizeof(T)/sizeof(L); + + // Define SIMD data array for Simd add by Lanes. + L simd_data_ret[lanes]; + L simd_data_0[lanes]; + L simd_data_1[lanes]; + + // Convert intput SIMD data to array. + memcpy(simd_data_0, &lhs_rep, sizeof(T)); + memcpy(simd_data_1, &rhs_rep, sizeof(T)); + + // Constuct the Simd value by Land data and Lane nums. + for(int32_t i = 0; i < lanes; i++) { + simd_data_ret[i] = static_cast<L>(func(simd_data_0[i], simd_data_1[i])); + } + + return PushRep<T>(Bitcast<T>(simd_data_ret)); +} + template <typename R, typename T> Result Thread::BinopTrap(BinopTrapFunc<R, T> func) { auto rhs_rep = PopRep<T>(); @@ -2279,6 +2305,10 @@ Result Thread::Run(int num_instructions) { break; } + case Opcode::I8X16Add: + CHECK_TRAP(SimdBinop<v128, uint8_t>(Add<uint32_t>)); + break; + // The following opcodes are either never generated or should never be // executed. case Opcode::Block: @@ -2751,6 +2781,13 @@ void Thread::Trace(Stream* stream) { break; } + case Opcode::I8X16Add: { + stream->Writef("%s $0x%08x %08x %08x %08x $0x%08x %08x %08x %08x\n", opcode.GetName(), Pick(2).v128_bits.v[0], + Pick(2).v128_bits.v[1], Pick(2).v128_bits.v[2], Pick(2).v128_bits.v[3],Pick(1).v128_bits.v[0], + Pick(1).v128_bits.v[1], Pick(1).v128_bits.v[2], Pick(1).v128_bits.v[3]); + break; + } + // The following opcodes are either never generated or should never be // executed. case Opcode::Block: @@ -3048,6 +3085,7 @@ void Environment::Disassemble(Stream* stream, case Opcode::F64Le: case Opcode::F64Gt: case Opcode::F64Ge: + case Opcode::I8X16Add: stream->Writef("%s %%[-2], %%[-1]\n", opcode.GetName()); break; |