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IR: Implement VectorSaturated{Signed,Unsigned}{Add,Sub}

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This commit is contained in:
MerryMage 2020-05-30 15:21:55 +01:00
parent 3a50d444dc
commit 4e90754873
5 changed files with 471 additions and 0 deletions
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77
src/frontend/ir/ir_emitter.cpp
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@ -635,6 +635,83 @@ ResultAndOverflow<U32> IREmitter::UnsignedSaturation(const U32& a, size_t bit_si
return {result, overflow};
}
ResultAndOverflow<U128> IREmitter::VectorSignedSaturatedAdd(size_t esize, const U128& a, const U128& b) {
const auto result = [&]{
switch (esize) {
case 8:
return Inst<U128>(Opcode::VectorSignedSaturatedAdd8, a, b);
case 16:
return Inst<U128>(Opcode::VectorSignedSaturatedAdd16, a, b);
case 32:
return Inst<U128>(Opcode::VectorSignedSaturatedAdd32, a, b);
case 64:
return Inst<U128>(Opcode::VectorSignedSaturatedAdd64, a, b);
default:
UNREACHABLE();
}
}();
const auto overflow = Inst<U1>(Opcode::GetOverflowFromOp, result);
return {result, overflow};
}
ResultAndOverflow<U128> IREmitter::VectorSignedSaturatedSub(size_t esize, const U128& a, const U128& b) {
const auto result = [&]{
switch (esize) {
case 8:
return Inst<U128>(Opcode::VectorSignedSaturatedSub8, a, b);
case 16:
return Inst<U128>(Opcode::VectorSignedSaturatedSub16, a, b);
case 32:
return Inst<U128>(Opcode::VectorSignedSaturatedSub32, a, b);
case 64:
return Inst<U128>(Opcode::VectorSignedSaturatedSub64, a, b);
default:
UNREACHABLE();
}
}();
const auto overflow = Inst<U1>(Opcode::GetOverflowFromOp, result);
return {result, overflow};
}
ResultAndOverflow<U128> IREmitter::VectorUnsignedSaturatedAdd(size_t esize, const U128& a, const U128& b) {
const auto result = [&]{
switch (esize) {
case 8:
return Inst<U128>(Opcode::VectorUnsignedSaturatedAdd8, a, b);
case 16:
return Inst<U128>(Opcode::VectorUnsignedSaturatedAdd16, a, b);
case 32:
return Inst<U128>(Opcode::VectorUnsignedSaturatedAdd32, a, b);
case 64:
return Inst<U128>(Opcode::VectorUnsignedSaturatedAdd64, a, b);
default:
UNREACHABLE();
}
}();
const auto overflow = Inst<U1>(Opcode::GetOverflowFromOp, result);
return {result, overflow};
}
ResultAndOverflow<U128> IREmitter::VectorUnsignedSaturatedSub(size_t esize, const U128& a, const U128& b) {
const auto result = [&]{
switch (esize) {
case 8:
return Inst<U128>(Opcode::VectorUnsignedSaturatedSub8, a, b);
case 16:
return Inst<U128>(Opcode::VectorUnsignedSaturatedSub16, a, b);
case 32:
return Inst<U128>(Opcode::VectorUnsignedSaturatedSub32, a, b);
case 64:
return Inst<U128>(Opcode::VectorUnsignedSaturatedSub64, a, b);
default:
UNREACHABLE();
}
}();
const auto overflow = Inst<U1>(Opcode::GetOverflowFromOp, result);
return {result, overflow};
}
ResultAndGE<U32> IREmitter::PackedAddU8(const U32& a, const U32& b) {
const auto result = Inst<U32>(Opcode::PackedAddU8, a, b);
const auto ge = Inst<U32>(Opcode::GetGEFromOp, result);