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A64: Implement SQDMULL (vector), vector variant

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This commit is contained in:
MerryMage 2018-09-15 13:38:37 +01:00
parent 3e447614c6
commit a9ffcf08b1
3 changed files with 22 additions and 6 deletions
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6
src/frontend/A64/decoder/a64.inc
View file

@ -437,11 +437,8 @@ INST(FMINP_pair_2, "FMINP (scalar)", "01111
// Data Processing - FP and SIMD - SIMD Scalar three different
//INST(SQDMLAL_vec_1, "SQDMLAL, SQDMLAL2 (vector)", "01011110zz1mmmmm100100nnnnnddddd")
//INST(SQDMLAL_vec_2, "SQDMLAL, SQDMLAL2 (vector)", "0Q001110zz1mmmmm100100nnnnnddddd")
//INST(SQDMLSL_vec_1, "SQDMLSL, SQDMLSL2 (vector)", "01011110zz1mmmmm101100nnnnnddddd")
//INST(SQDMLSL_vec_2, "SQDMLSL, SQDMLSL2 (vector)", "0Q001110zz1mmmmm101100nnnnnddddd")
//INST(SQDMULL_vec_1, "SQDMULL, SQDMULL2 (vector)", "01011110zz1mmmmm110100nnnnnddddd")
//INST(SQDMULL_vec_2, "SQDMULL, SQDMULL2 (vector)", "0Q001110zz1mmmmm110100nnnnnddddd")
// Data Processing - FP and SIMD - SIMD Scalar three same
INST(SQADD_1, "SQADD", "01011110zz1mmmmm000011nnnnnddddd")
@ -699,6 +696,9 @@ INST(UABDL, "UABDL, UABDL2", "0Q101
INST(UMLAL_vec, "UMLAL, UMLAL2 (vector)", "0Q101110zz1mmmmm100000nnnnnddddd")
INST(UMLSL_vec, "UMLSL, UMLSL2 (vector)", "0Q101110zz1mmmmm101000nnnnnddddd")
INST(UMULL_vec, "UMULL, UMULL2 (vector)", "0Q101110zz1mmmmm110000nnnnnddddd")
//INST(SQDMLAL_vec_2, "SQDMLAL, SQDMLAL2 (vector)", "0Q001110zz1mmmmm100100nnnnnddddd")
//INST(SQDMLSL_vec_2, "SQDMLSL, SQDMLSL2 (vector)", "0Q001110zz1mmmmm101100nnnnnddddd")
INST(SQDMULL_vec_2, "SQDMULL, SQDMULL2 (vector)", "0Q001110zz1mmmmm110100nnnnnddddd")
// Data Processing - FP and SIMD - SIMD three same
INST(SHADD, "SHADD", "0Q001110zz1mmmmm000001nnnnnddddd")

6
src/frontend/A64/translate/impl/impl.h
View file

@ -546,11 +546,8 @@ struct TranslatorVisitor final {
// Data Processing - FP and SIMD - SIMD Scalar three different
bool SQDMLAL_vec_1(Imm<2> size, Reg Rm, Reg Rn, Vec Vd);
bool SQDMLAL_vec_2(bool Q, Imm<2> size, Reg Rm, Reg Rn, Vec Vd);
bool SQDMLSL_vec_1(Imm<2> size, Reg Rm, Reg Rn, Vec Vd);
bool SQDMLSL_vec_2(bool Q, Imm<2> size, Reg Rm, Reg Rn, Vec Vd);
bool SQDMULL_vec_1(Imm<2> size, Reg Rm, Reg Rn, Vec Vd);
bool SQDMULL_vec_2(bool Q, Imm<2> size, Reg Rm, Reg Rn, Vec Vd);
// Data Processing - FP and SIMD - SIMD Scalar three same
bool SQADD_1(Imm<2> size, Vec Vm, Vec Vn, Vec Vd);
@ -770,6 +767,9 @@ struct TranslatorVisitor final {
bool UMLAL_vec(bool Q, Imm<2> size, Vec Vm, Vec Vn, Vec Vd);
bool UMLSL_vec(bool Q, Imm<2> size, Vec Vm, Vec Vn, Vec Vd);
bool UMULL_vec(bool Q, Imm<2> size, Vec Vm, Vec Vn, Vec Vd);
bool SQDMLAL_vec_2(bool Q, Imm<2> size, Vec Vm, Vec Vn, Vec Vd);
bool SQDMLSL_vec_2(bool Q, Imm<2> size, Vec Vm, Vec Vn, Vec Vd);
bool SQDMULL_vec_2(bool Q, Imm<2> size, Vec Vm, Vec Vn, Vec Vd);
// Data Processing - FP and SIMD - SIMD three same
bool SHADD(bool Q, Imm<2> size, Vec Vm, Vec Vn, Vec Vd);

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

@ -249,4 +249,20 @@ bool TranslatorVisitor::USUBL(bool Q, Imm<2> size, Vec Vm, Vec Vn, Vec Vd) {
return LongOperation(*this, Q, size, Vm, Vn, Vd, LongOperationBehavior::Subtraction, Signedness::Unsigned);
}
bool TranslatorVisitor::SQDMULL_vec_2(bool Q, Imm<2> size, Vec Vm, Vec Vn, Vec Vd) {
if (size == 0b00 || size == 0b11) {
return ReservedValue();
}
const size_t esize = 8 << size.ZeroExtend();
const size_t part = Q ? 1 : 0;
const IR::U128 operand1 = Vpart(64, Vn, part);
const IR::U128 operand2 = Vpart(64, Vm, part);
const IR::U128 result = ir.VectorSignedSaturatedDoublingMultiplyLong(esize, operand1, operand2);
V(128, Vd, result);
return true;
}
} // namespace Dynarmic::A64