diff --git a/src/frontend/A64/decoder/a64.inc b/src/frontend/A64/decoder/a64.inc index fa7453b6..60c2c179 100644 --- a/src/frontend/A64/decoder/a64.inc +++ b/src/frontend/A64/decoder/a64.inc @@ -537,7 +537,7 @@ INST(FCVTZU_fix_1, "FCVTZU (vector, fixed-point)", "01111 //INST(SQDMLSL_elt_1, "SQDMLSL, SQDMLSL2 (by element)", "01011111zzLMmmmm0111H0nnnnnddddd") INST(SQDMULL_elt_1, "SQDMULL, SQDMULL2 (by element)", "01011111zzLMmmmm1011H0nnnnnddddd") INST(SQDMULH_elt_1, "SQDMULH (by element)", "01011111zzLMmmmm1100H0nnnnnddddd") -//INST(SQRDMULH_elt_1, "SQRDMULH (by element)", "01011111zzLMmmmm1101H0nnnnnddddd") +INST(SQRDMULH_elt_1, "SQRDMULH (by element)", "01011111zzLMmmmm1101H0nnnnnddddd") //INST(FMLA_elt_1, "FMLA (by element)", "0101111100LMmmmm0001H0nnnnnddddd") INST(FMLA_elt_2, "FMLA (by element)", "010111111zLMmmmm0001H0nnnnnddddd") //INST(FMLS_elt_1, "FMLS (by element)", "0101111100LMmmmm0101H0nnnnnddddd") diff --git a/src/frontend/A64/translate/impl/simd_scalar_x_indexed_element.cpp b/src/frontend/A64/translate/impl/simd_scalar_x_indexed_element.cpp index 6b5ab98e..2f19f23a 100644 --- a/src/frontend/A64/translate/impl/simd_scalar_x_indexed_element.cpp +++ b/src/frontend/A64/translate/impl/simd_scalar_x_indexed_element.cpp @@ -94,6 +94,24 @@ bool TranslatorVisitor::SQDMULH_elt_1(Imm<2> size, Imm<1> L, Imm<1> M, Imm<4> Vm return true; } +bool TranslatorVisitor::SQRDMULH_elt_1(Imm<2> size, Imm<1> L, Imm<1> M, Imm<4> Vmlo, Imm<1> H, Vec Vn, Vec Vd) { + if (size == 0b00 || size == 0b11) { + return UnallocatedEncoding(); + } + + const size_t esize = 8 << size.ZeroExtend(); + const auto [index, Vm] = Combine(size, H, L, M, Vmlo); + + const IR::U128 operand1 = ir.ZeroExtendToQuad(ir.VectorGetElement(esize, V(128, Vn), 0)); + const IR::UAny operand2 = ir.VectorGetElement(esize, V(128, Vm), index); + const IR::U128 broadcast = ir.VectorBroadcast(esize, operand2); + const IR::UpperAndLower multiply = ir.VectorSignedSaturatedDoublingMultiply(esize, operand1, broadcast); + const IR::U128 result = ir.VectorAdd(esize, multiply.upper, ir.VectorLogicalShiftRight(esize, multiply.lower, static_cast(esize - 1))); + + V(128, Vd, result); + return true; +} + bool TranslatorVisitor::SQDMULL_elt_1(Imm<2> size, Imm<1> L, Imm<1> M, Imm<4> Vmlo, Imm<1> H, Vec Vn, Vec Vd) { if (size == 0b00 || size == 0b11) { return UnallocatedEncoding(); @@ -107,7 +125,7 @@ bool TranslatorVisitor::SQDMULL_elt_1(Imm<2> size, Imm<1> L, Imm<1> M, Imm<4> Vm const IR::U128 broadcast = ir.VectorBroadcast(esize, operand2); const IR::U128 result = ir.VectorSignedSaturatedDoublingMultiplyLong(esize, operand1, broadcast); - V_scalar(esize * 2, Vd, result); + V(128, Vd, result); return true; }