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A64: Implement MLA (vector)

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This commit is contained in:
MerryMage 2018-02-11 11:00:16 +00:00
parent bf2cd92da9
commit 5eac3abf52
2 changed files with 17 additions and 1 deletions
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2
src/frontend/A64/decoder/a64.inc
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@ -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")

16
src/frontend/A64/translate/impl/simd_three_same.cpp
View file

@ -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<size_t>();
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<size_t>();