diff --git a/src/frontend/A64/decoder/a64.inc b/src/frontend/A64/decoder/a64.inc index 1673507a..6905164c 100644 --- a/src/frontend/A64/decoder/a64.inc +++ b/src/frontend/A64/decoder/a64.inc @@ -708,7 +708,7 @@ INST(XTN, "XTN, XTN2", "0Q001 //INST(SABA, "SABA", "0Q001110zz1mmmmm011111nnnnnddddd") INST(ADD_vector, "ADD (vector)", "0Q001110zz1mmmmm100001nnnnnddddd") //INST(CMTST_2, "CMTST", "0Q001110zz1mmmmm100011nnnnnddddd") -//INST(MLA_vec, "MLA (vector)", "0Q001110zz1mmmmm100101nnnnnddddd") +INST(MLA_vec, "MLA (vector)", "0Q001110zz1mmmmm100101nnnnnddddd") INST(MUL_vec, "MUL (vector)", "0Q001110zz1mmmmm100111nnnnnddddd") //INST(SMAXP, "SMAXP", "0Q001110zz1mmmmm101001nnnnnddddd") //INST(SMINP, "SMINP", "0Q001110zz1mmmmm101011nnnnnddddd") diff --git a/src/frontend/A64/translate/impl/simd_three_same.cpp b/src/frontend/A64/translate/impl/simd_three_same.cpp index b9fd6f59..db052b6d 100644 --- a/src/frontend/A64/translate/impl/simd_three_same.cpp +++ b/src/frontend/A64/translate/impl/simd_three_same.cpp @@ -23,6 +23,22 @@ bool TranslatorVisitor::ADD_vector(bool Q, Imm<2> size, Vec Vm, Vec Vn, Vec Vd) return true; } +bool TranslatorVisitor::MLA_vec(bool Q, Imm<2> size, Vec Vm, Vec Vn, Vec Vd) { + if (size == 0b11) return ReservedValue(); + const size_t esize = 8 << size.ZeroExtend(); + const size_t datasize = Q ? 128 : 64; + + const IR::U128 operand1 = V(datasize, Vn); + const IR::U128 operand2 = V(datasize, Vm); + const IR::U128 operand3 = V(datasize, Vd); + + const IR::U128 result = ir.VectorAdd(esize, ir.VectorMultiply(esize, operand1, operand2), operand3); + + V(datasize, Vd, result); + + return true; +} + bool TranslatorVisitor::MUL_vec(bool Q, Imm<2> size, Vec Vm, Vec Vn, Vec Vd) { if (size == 0b11) return ReservedValue(); const size_t esize = 8 << size.ZeroExtend();