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Merge remote-tracking branch 'tilkax/master'

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This commit is contained in:
MerryMage 2016-08-05 14:13:09 +01:00
commit b4aa01ccf4
14 changed files with 497 additions and 116 deletions
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51
src/frontend/ir/ir_emitter.cpp
View file

@ -98,6 +98,19 @@ void IREmitter::SetVFlag(const IR::Value& value) {
Inst(IR::Opcode::SetVFlag, {value});
}
IR::Value IREmitter::Pack2x32To1x64(const IR::Value& lo, const IR::Value& hi)
{
return Inst(IR::Opcode::Pack2x32To1x64, {lo, hi});
}
IR::Value IREmitter::LeastSignificantWord(const IR::Value& value) {
return Inst(IR::Opcode::LeastSignificantWord, {value});
}
IR::Value IREmitter::MostSignificantWord(const IR::Value& value) {
return Inst(IR::Opcode::MostSignificantWord, {value});
}
IR::Value IREmitter::LeastSignificantHalf(const IR::Value& value) {
return Inst(IR::Opcode::LeastSignificantHalf, {value});
}
@ -114,6 +127,10 @@ IR::Value IREmitter::IsZero(const IR::Value& value) {
return Inst(IR::Opcode::IsZero, {value});
}
IR::Value IREmitter::IsZero64(const IR::Value& value) {
return Inst(IR::Opcode::IsZero64, {value});
}
IREmitter::ResultAndCarry IREmitter::LogicalShiftLeft(const IR::Value& value_in, const IR::Value& shift_amount, const IR::Value& carry_in) {
auto result = Inst(IR::Opcode::LogicalShiftLeft, {value_in, shift_amount, carry_in});
auto carry_out = Inst(IR::Opcode::GetCarryFromOp, {result});
@ -155,6 +172,10 @@ IR::Value IREmitter::Add(const IR::Value& a, const IR::Value& b) {
return Inst(IR::Opcode::AddWithCarry, {a, b, Imm1(0)});
}
IR::Value IREmitter::Add64(const IR::Value& a, const IR::Value& b) {
return Inst(IR::Opcode::Add64, {a, b});
}
IREmitter::ResultAndCarryAndOverflow IREmitter::SubWithCarry(const IR::Value& a, const IR::Value& b, const IR::Value& carry_in) {
// This is equivalent to AddWithCarry(a, Not(b), carry_in).
auto result = Inst(IR::Opcode::SubWithCarry, {a, b, carry_in});
@ -167,6 +188,28 @@ IR::Value IREmitter::Sub(const IR::Value& a, const IR::Value& b) {
return Inst(IR::Opcode::SubWithCarry, {a, b, Imm1(1)});
}
IR::Value IREmitter::Mul(const IR::Value& a, const IR::Value& b) {
return Inst(IR::Opcode::Mul, {a, b});
}
IR::Value IREmitter::Mul64(const IR::Value& a, const IR::Value& b) {
return Inst(IR::Opcode::Mul64, {a, b});
}
IR::Value IREmitter::SignedMulHi(const IR::Value& a, const IR::Value& b) {
auto a64 = ZeroExtendWordToLong(a);
auto b64 = ZeroExtendWordToLong(b);
auto product64 = Mul64(a64, b64);
return LogicalShiftRight(product64, Imm8(32), Imm8(0)).result;
}
IR::Value IREmitter::UnsignedMulHi(const IR::Value& a, const IR::Value& b) {
auto a64 = SignExtendWordToLong(a);
auto b64 = SignExtendWordToLong(b);
auto product64 = Mul64(a64, b64);
return LogicalShiftRight(product64, Imm8(32), Imm8(0)).result;
}
IR::Value IREmitter::And(const IR::Value& a, const IR::Value& b) {
return Inst(IR::Opcode::And, {a, b});
}
@ -183,6 +226,10 @@ IR::Value IREmitter::Not(const IR::Value& a) {
return Inst(IR::Opcode::Not, {a});
}
IR::Value IREmitter::SignExtendWordToLong(const IR::Value& a) {
return Inst(IR::Opcode::SignExtendWordToLong, {a});
}
IR::Value IREmitter::SignExtendHalfToWord(const IR::Value& a) {
return Inst(IR::Opcode::SignExtendHalfToWord, {a});
}
@ -191,6 +238,10 @@ IR::Value IREmitter::SignExtendByteToWord(const IR::Value& a) {
return Inst(IR::Opcode::SignExtendByteToWord, {a});
}
IR::Value IREmitter::ZeroExtendWordToLong(const IR::Value& a) {
return Inst(IR::Opcode::ZeroExtendWordToLong, {a});
}
IR::Value IREmitter::ZeroExtendHalfToWord(const IR::Value& a) {
return Inst(IR::Opcode::ZeroExtendHalfToWord, {a});
}

11
src/frontend/ir/ir_emitter.h
View file

@ -54,10 +54,14 @@ public:
void SetCFlag(const IR::Value& value);
void SetVFlag(const IR::Value& value);
IR::Value Pack2x32To1x64(const IR::Value& lo, const IR::Value& hi);
IR::Value LeastSignificantWord(const IR::Value& value);
IR::Value MostSignificantWord(const IR::Value& value);
IR::Value LeastSignificantHalf(const IR::Value& value);
IR::Value LeastSignificantByte(const IR::Value& value);
IR::Value MostSignificantBit(const IR::Value& value);
IR::Value IsZero(const IR::Value& value);
IR::Value IsZero64(const IR::Value& value);
ResultAndCarry LogicalShiftLeft(const IR::Value& value_in, const IR::Value& shift_amount, const IR::Value& carry_in);
ResultAndCarry LogicalShiftRight(const IR::Value& value_in, const IR::Value& shift_amount, const IR::Value& carry_in);
@ -66,14 +70,21 @@ public:
ResultAndCarry RotateRightExtended(const IR::Value& value_in, const IR::Value& carry_in);
ResultAndCarryAndOverflow AddWithCarry(const IR::Value& a, const IR::Value& b, const IR::Value& carry_in);
IR::Value Add(const IR::Value& a, const IR::Value& b);
IR::Value Add64(const IR::Value& a, const IR::Value& b);
ResultAndCarryAndOverflow SubWithCarry(const IR::Value& a, const IR::Value& b, const IR::Value& carry_in);
IR::Value Sub(const IR::Value& a, const IR::Value& b);
IR::Value Mul(const IR::Value& a, const IR::Value& b);
IR::Value Mul64(const IR::Value& a, const IR::Value& b);
IR::Value SignedMulHi(const IR::Value& a, const IR::Value& b);
IR::Value UnsignedMulHi(const IR::Value& a, const IR::Value& b);
IR::Value And(const IR::Value& a, const IR::Value& b);
IR::Value Eor(const IR::Value& a, const IR::Value& b);
IR::Value Or(const IR::Value& a, const IR::Value& b);
IR::Value Not(const IR::Value& a);
IR::Value SignExtendWordToLong(const IR::Value& a);
IR::Value SignExtendHalfToWord(const IR::Value& a);
IR::Value SignExtendByteToWord(const IR::Value& a);
IR::Value ZeroExtendWordToLong(const IR::Value& a);
IR::Value ZeroExtendHalfToWord(const IR::Value& a);
IR::Value ZeroExtendByteToWord(const IR::Value& a);
IR::Value ByteReverseWord(const IR::Value& a);

9
src/frontend/ir/opcodes.inc
View file

@ -22,10 +22,14 @@ OPCODE(GetCarryFromOp, T::U1, T::U32
OPCODE(GetOverflowFromOp, T::U1, T::U32 )
// Calculations
OPCODE(Pack2x32To1x64, T::U64, T::U32, T::U32 )
OPCODE(LeastSignificantWord, T::U32, T::U64 )
OPCODE(MostSignificantWord, T::U32, T::U64 )
OPCODE(LeastSignificantHalf, T::U16, T::U32 )
OPCODE(LeastSignificantByte, T::U8, T::U32 )
OPCODE(MostSignificantBit, T::U1, T::U32 )
OPCODE(IsZero, T::U1, T::U32 )
OPCODE(IsZero64, T::U1, T::U64 )
OPCODE(LogicalShiftLeft, T::U32, T::U32, T::U8, T::U1 )
OPCODE(LogicalShiftRight, T::U32, T::U32, T::U8, T::U1 )
OPCODE(ArithmeticShiftRight, T::U32, T::U32, T::U8, T::U1 )
@ -33,12 +37,17 @@ OPCODE(RotateRight, T::U32, T::U32, T::U8,
OPCODE(RotateRightExtended, T::U32, T::U32, T::U1 )
OPCODE(AddWithCarry, T::U32, T::U32, T::U32, T::U1 )
OPCODE(SubWithCarry, T::U32, T::U32, T::U32, T::U1 )
OPCODE(Add64, T::U64, T::U64, T::U64 )
OPCODE(Mul, T::U32, T::U32, T::U32 )
OPCODE(Mul64, T::U64, T::U64, T::U64 )
OPCODE(And, T::U32, T::U32, T::U32 )
OPCODE(Eor, T::U32, T::U32, T::U32 )
OPCODE(Or, T::U32, T::U32, T::U32 )
OPCODE(Not, T::U32, T::U32 )
OPCODE(SignExtendWordToLong, T::U64, T::U32 )
OPCODE(SignExtendHalfToWord, T::U32, T::U16 )
OPCODE(SignExtendByteToWord, T::U32, T::U8 )
OPCODE(ZeroExtendWordToLong, T::U64, T::U32 )
OPCODE(ZeroExtendHalfToWord, T::U32, T::U16 )
OPCODE(ZeroExtendByteToWord, T::U32, T::U8 )
OPCODE(ByteReverseWord, T::U32, T::U32 )