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A64: Implement SUQADD's scalar and vector variants

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Lioncash 2018-09-09 01:43:51 -04:00 committed by MerryMage
parent 6f911a26da
commit 18ad7f237d
3 changed files with 30 additions and 2 deletions
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4
src/frontend/A64/decoder/a64.inc
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@ -406,7 +406,7 @@ INST(FRSQRTE_2, "FRSQRTE", "01111
//INST(SQRDMLSH_vec_2, "SQRDMLSH (vector)", "0Q101110zz0mmmmm100011nnnnnddddd")
// Data Processing - FP and SIMD - Scalar two-register misc
//INST(SUQADD_1, "SUQADD", "01011110zz100000001110nnnnnddddd")
INST(SUQADD_1, "SUQADD", "01011110zz100000001110nnnnnddddd")
INST(SQABS_1, "SQABS", "01011110zz100000011110nnnnnddddd")
INST(CMGT_zero_1, "CMGT (zero)", "01011110zz100000100010nnnnnddddd")
INST(CMEQ_zero_1, "CMEQ (zero)", "01011110zz100000100110nnnnnddddd")
@ -569,7 +569,7 @@ INST(UDOT_vec, "UDOT (vector)", "0Q101
INST(REV64_asimd, "REV64", "0Q001110zz100000000010nnnnnddddd")
INST(REV16_asimd, "REV16 (vector)", "0Q001110zz100000000110nnnnnddddd")
INST(SADDLP, "SADDLP", "0Q001110zz100000001010nnnnnddddd")
//INST(SUQADD_2, "SUQADD", "0Q001110zz100000001110nnnnnddddd")
INST(SUQADD_2, "SUQADD", "0Q001110zz100000001110nnnnnddddd")
//INST(CLS_asimd, "CLS (vector)", "0Q001110zz100000010010nnnnnddddd")
INST(CNT, "CNT", "0Q001110zz100000010110nnnnnddddd")
INST(SADALP, "SADALP", "0Q001110zz100000011010nnnnnddddd")

12
src/frontend/A64/translate/impl/simd_scalar_two_register_misc.cpp
View file

@ -233,6 +233,18 @@ bool TranslatorVisitor::SQXTUN_1(Imm<2> size, Vec Vn, Vec Vd) {
return SaturatedNarrow(*this, size, Vn, Vd, &IREmitter::VectorSignedSaturatedNarrowToUnsigned);
}
bool TranslatorVisitor::SUQADD_1(Imm<2> size, Vec Vn, Vec Vd) {
const size_t esize = 8 << size.ZeroExtend();
const size_t datasize = 64;
const IR::U128 operand1 = ir.ZeroExtendToQuad(ir.VectorGetElement(esize, V(datasize, Vn), 0));
const IR::U128 operand2 = ir.ZeroExtendToQuad(ir.VectorGetElement(esize, V(datasize, Vd), 0));
const IR::U128 result = ir.VectorSignedSaturatedAccumulateUnsigned(esize, operand1, operand2);
V(datasize, Vd, result);
return true;
}
bool TranslatorVisitor::UCVTF_int_2(bool sz, Vec Vn, Vec Vd) {
const auto esize = sz ? 64 : 32;

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

@ -629,6 +629,22 @@ bool TranslatorVisitor::SQNEG_2(bool Q, Imm<2> size, Vec Vn, Vec Vd) {
return true;
}
bool TranslatorVisitor::SUQADD_2(bool Q, Imm<2> size, Vec Vn, Vec Vd) {
if (size == 0b11 && !Q) {
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, Vd);
const IR::U128 result = ir.VectorSignedSaturatedAccumulateUnsigned(esize, operand1, operand2);
V(datasize, Vd, result);
return true;
}
bool TranslatorVisitor::SADALP(bool Q, Imm<2> size, Vec Vn, Vec Vd) {
return PairedAddLong(*this, Q, size, Vn, Vd, Signedness::Signed, PairedAddLongExtraBehavior::Accumulate);
}