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A64: Implement FCMGT, FCMGE, FCMLE, FCMLT (zero) vector double and single precision variants.

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This commit is contained in:
Lioncash 2018-06-03 19:46:54 -04:00 committed by MerryMage
parent c695da1cf3
commit 350bc70be8
2 changed files with 50 additions and 13 deletions
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8
src/frontend/A64/decoder/a64.inc
View file

@ -595,11 +595,11 @@ INST(XTN, "XTN, XTN2", "0Q001
//INST(SCVTF_int_3, "SCVTF (vector, integer)", "0Q00111001111001110110nnnnnddddd")
INST(SCVTF_int_4, "SCVTF (vector, integer)", "0Q0011100z100001110110nnnnnddddd")
//INST(FCMGT_zero_3, "FCMGT (zero)", "0Q00111011111000110010nnnnnddddd")
//INST(FCMGT_zero_4, "FCMGT (zero)", "0Q0011101z100000110010nnnnnddddd")
INST(FCMGT_zero_4, "FCMGT (zero)", "0Q0011101z100000110010nnnnnddddd")
//INST(FCMEQ_zero_3, "FCMEQ (zero)", "0Q00111011111000110110nnnnnddddd")
INST(FCMEQ_zero_4, "FCMEQ (zero)", "0Q0011101z100000110110nnnnnddddd")
//INST(FCMLT_3, "FCMLT (zero)", "0Q00111011111000111010nnnnnddddd")
//INST(FCMLT_4, "FCMLT (zero)", "0Q0011101z100000111010nnnnnddddd")
INST(FCMLT_4, "FCMLT (zero)", "0Q0011101z100000111010nnnnnddddd")
INST(FABS_1, "FABS (vector)", "0Q00111011111000111110nnnnnddddd")
INST(FABS_2, "FABS (vector)", "0Q0011101z100000111110nnnnnddddd")
//INST(FRINTP_1, "FRINTP (vector)", "0Q00111011111001100010nnnnnddddd")
@ -645,9 +645,9 @@ INST(FNEG_2, "FNEG (vector)", "0Q101
//INST(FRINTI_1, "FRINTI (vector)", "0Q10111011111001100110nnnnnddddd")
//INST(FRINTI_2, "FRINTI (vector)", "0Q1011101z100001100110nnnnnddddd")
//INST(FCMGE_zero_3, "FCMGE (zero)", "0Q10111011111000110010nnnnnddddd")
//INST(FCMGE_zero_4, "FCMGE (zero)", "0Q1011101z100000110010nnnnnddddd")
INST(FCMGE_zero_4, "FCMGE (zero)", "0Q1011101z100000110010nnnnnddddd")
//INST(FCMLE_3, "FCMLE (zero)", "0Q10111011111000110110nnnnnddddd")
//INST(FCMLE_4, "FCMLE (zero)", "0Q1011101z100000110110nnnnnddddd")
INST(FCMLE_4, "FCMLE (zero)", "0Q1011101z100000110110nnnnnddddd")
//INST(FCVTPU_3, "FCVTPU (vector)", "0Q10111011111001101010nnnnnddddd")
//INST(FCVTPU_4, "FCVTPU (vector)", "0Q1011101z100001101010nnnnnddddd")
//INST(FCVTZU_int_3, "FCVTZU (vector, integer)", "0Q10111011111001101110nnnnnddddd")

55
src/frontend/A64/translate/impl/simd_two_register_misc.cpp
View file

@ -49,6 +49,38 @@ bool CompareAgainstZero(TranslatorVisitor& v, bool Q, Imm<2> size, Vec Vn, Vec V
v.V(datasize, Vd, result);
return true;
}
bool FPCompareAgainstZero(TranslatorVisitor& v, bool Q, bool sz, Vec Vn, Vec Vd, ComparisonType type) {
if (sz && !Q) {
return v.ReservedValue();
}
const size_t esize = sz ? 64 : 32;
const size_t datasize = Q ? 128 : 64;
const IR::U128 operand = v.V(datasize, Vn);
const IR::U128 zero = v.ir.ZeroVector();
const IR::U128 result = [&] {
switch (type) {
case ComparisonType::EQ:
return v.ir.FPVectorEqual(esize, operand, zero);
case ComparisonType::GE:
return v.ir.FPVectorGreaterEqual(esize, operand, zero);
case ComparisonType::GT:
return v.ir.FPVectorGreater(esize, operand, zero);
case ComparisonType::LE:
return v.ir.FPVectorGreaterEqual(esize, zero, operand);
case ComparisonType::LT:
return v.ir.FPVectorGreater(esize, zero, operand);
}
UNREACHABLE();
return IR::U128{};
}();
v.V(datasize, Vd, result);
return true;
}
} // Anonymous namespace
bool TranslatorVisitor::CNT(bool Q, Imm<2> size, Vec Vn, Vec Vd) {
@ -143,18 +175,23 @@ bool TranslatorVisitor::FABS_2(bool Q, bool sz, Vec Vn, Vec Vd) {
}
bool TranslatorVisitor::FCMEQ_zero_4(bool Q, bool sz, Vec Vn, Vec Vd) {
if (sz && !Q) {
return ReservedValue();
}
return FPCompareAgainstZero(*this, Q, sz, Vn, Vd, ComparisonType::EQ);
}
const size_t esize = sz ? 64 : 32;
const size_t datasize = Q ? 128 : 64;
bool TranslatorVisitor::FCMGE_zero_4(bool Q, bool sz, Vec Vn, Vec Vd) {
return FPCompareAgainstZero(*this, Q, sz, Vn, Vd, ComparisonType::GE);
}
const IR::U128 operand = V(datasize, Vn);
const IR::U128 result = ir.FPVectorEqual(esize, operand, ir.ZeroVector());
bool TranslatorVisitor::FCMGT_zero_4(bool Q, bool sz, Vec Vn, Vec Vd) {
return FPCompareAgainstZero(*this, Q, sz, Vn, Vd, ComparisonType::GT);
}
V(datasize, Vd, result);
return true;
bool TranslatorVisitor::FCMLE_4(bool Q, bool sz, Vec Vn, Vec Vd) {
return FPCompareAgainstZero(*this, Q, sz, Vn, Vd, ComparisonType::LE);
}
bool TranslatorVisitor::FCMLT_4(bool Q, bool sz, Vec Vn, Vec Vd) {
return FPCompareAgainstZero(*this, Q, sz, Vn, Vd, ComparisonType::LT);
}
bool TranslatorVisitor::FNEG_1(bool Q, Vec Vn, Vec Vd) {