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[Hexagon] Moving more functions off of HexagonMCInst and in to HexagonMCInstrInfo.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@229903 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Colin LeMahieu 2015-02-19 19:49:27 +00:00
parent b7e0193c4d
commit f45c1a4d12
4 changed files with 191 additions and 174 deletions
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129
lib/Target/Hexagon/MCTargetDesc/HexagonMCInst.cpp
View File

@ -64,132 +64,3 @@ void HexagonMCInst::resetPacket() {
setPacketBegin(false);
setPacketEnd(false);
}
// Return the Hexagon ISA class for the insn.
unsigned HexagonMCInst::getType() const {
const uint64_t F = HexagonMCInstrInfo::getDesc(*MCII, *this).TSFlags;
return ((F >> HexagonII::TypePos) & HexagonII::TypeMask);
}
// Return whether the insn is an actual insn.
bool HexagonMCInst::isCanon() const {
return (!HexagonMCInstrInfo::getDesc(*MCII, *this).isPseudo() &&
!isPrefix() && getType() != HexagonII::TypeENDLOOP);
}
// Return whether the insn is a prefix.
bool HexagonMCInst::isPrefix() const {
return (getType() == HexagonII::TypePREFIX);
}
// Return whether the insn is solo, i.e., cannot be in a packet.
bool HexagonMCInst::isSolo() const {
const uint64_t F = HexagonMCInstrInfo::getDesc(*MCII, *this).TSFlags;
return ((F >> HexagonII::SoloPos) & HexagonII::SoloMask);
}
// Return whether the insn is a new-value consumer.
bool HexagonMCInst::isNewValue() const {
const uint64_t F = HexagonMCInstrInfo::getDesc(*MCII, *this).TSFlags;
return ((F >> HexagonII::NewValuePos) & HexagonII::NewValueMask);
}
// Return whether the instruction is a legal new-value producer.
bool HexagonMCInst::hasNewValue() const {
const uint64_t F = HexagonMCInstrInfo::getDesc(*MCII, *this).TSFlags;
return ((F >> HexagonII::hasNewValuePos) & HexagonII::hasNewValueMask);
}
// Return the operand that consumes or produces a new value.
const MCOperand &HexagonMCInst::getNewValue() const {
const uint64_t F = HexagonMCInstrInfo::getDesc(*MCII, *this).TSFlags;
const unsigned O =
(F >> HexagonII::NewValueOpPos) & HexagonII::NewValueOpMask;
const MCOperand &MCO = getOperand(O);
assert((isNewValue() || hasNewValue()) && MCO.isReg());
return (MCO);
}
// Return whether the instruction needs to be constant extended.
// 1) Always return true if the instruction has 'isExtended' flag set.
//
// isExtendable:
// 2) For immediate extended operands, return true only if the value is
// out-of-range.
// 3) For global address, always return true.
bool HexagonMCInst::isConstExtended(void) const {
if (isExtended())
return true;
if (!isExtendable())
return false;
short ExtOpNum = getCExtOpNum();
int MinValue = getMinValue();
int MaxValue = HexagonMCInstrInfo::getMaxValue(*MCII, *this);
const MCOperand &MO = getOperand(ExtOpNum);
// We could be using an instruction with an extendable immediate and shoehorn
// a global address into it. If it is a global address it will be constant
// extended. We do this for COMBINE.
// We currently only handle isGlobal() because it is the only kind of
// object we are going to end up with here for now.
// In the future we probably should add isSymbol(), etc.
if (MO.isExpr())
return true;
// If the extendable operand is not 'Immediate' type, the instruction should
// have 'isExtended' flag set.
assert(MO.isImm() && "Extendable operand must be Immediate type");
int ImmValue = MO.getImm();
return (ImmValue < MinValue || ImmValue > MaxValue);
}
// Return whether the instruction must be always extended.
bool HexagonMCInst::isExtended(void) const {
const uint64_t F = HexagonMCInstrInfo::getDesc(*MCII, *this).TSFlags;
return (F >> HexagonII::ExtendedPos) & HexagonII::ExtendedMask;
}
// Return true if the instruction may be extended based on the operand value.
bool HexagonMCInst::isExtendable(void) const {
const uint64_t F = HexagonMCInstrInfo::getDesc(*MCII, *this).TSFlags;
return (F >> HexagonII::ExtendablePos) & HexagonII::ExtendableMask;
}
// Return number of bits in the constant extended operand.
unsigned HexagonMCInst::getBitCount(void) const {
const uint64_t F = HexagonMCInstrInfo::getDesc(*MCII, *this).TSFlags;
return ((F >> HexagonII::ExtentBitsPos) & HexagonII::ExtentBitsMask);
}
// Return constant extended operand number.
unsigned short HexagonMCInst::getCExtOpNum(void) const {
const uint64_t F = HexagonMCInstrInfo::getDesc(*MCII, *this).TSFlags;
return ((F >> HexagonII::ExtendableOpPos) & HexagonII::ExtendableOpMask);
}
// Return whether the operand can be constant extended.
bool HexagonMCInst::isOperandExtended(const unsigned short OperandNum) const {
const uint64_t F = HexagonMCInstrInfo::getDesc(*MCII, *this).TSFlags;
return ((F >> HexagonII::ExtendableOpPos) & HexagonII::ExtendableOpMask) ==
OperandNum;
}
// Return the min value that a constant extendable operand can have
// without being extended.
int HexagonMCInst::getMinValue(void) const {
const uint64_t F = HexagonMCInstrInfo::getDesc(*MCII, *this).TSFlags;
unsigned isSigned =
(F >> HexagonII::ExtentSignedPos) & HexagonII::ExtentSignedMask;
unsigned bits = (F >> HexagonII::ExtentBitsPos) & HexagonII::ExtentBitsMask;
if (isSigned) // if value is signed
return -1U << (bits - 1);
else
return 0;
}

44
lib/Target/Hexagon/MCTargetDesc/HexagonMCInst.h
View File

@ -48,50 +48,6 @@ public:
bool isPacketEnd() const;
static const size_t packetEndIndex = 1;
void resetPacket();
// Return the Hexagon ISA class for the insn.
unsigned getType() const;
// Return whether the insn is an actual insn.
bool isCanon() const;
// Return whether the insn is a prefix.
bool isPrefix() const;
// Return whether the insn is solo, i.e., cannot be in a packet.
bool isSolo() const;
// Return whether the instruction needs to be constant extended.
bool isConstExtended() const;
// Return constant extended operand number.
unsigned short getCExtOpNum(void) const;
// Return whether the insn is a new-value consumer.
bool isNewValue() const;
// Return whether the instruction is a legal new-value producer.
bool hasNewValue() const;
// Return the operand that consumes or produces a new value.
const MCOperand &getNewValue() const;
// Return number of bits in the constant extended operand.
unsigned getBitCount(void) const;
private:
// Return whether the instruction must be always extended.
bool isExtended() const;
// Return true if the insn may be extended based on the operand value.
bool isExtendable() const;
// Return true if the operand can be constant extended.
bool isOperandExtended(const unsigned short OperandNum) const;
// Return the min value that a constant extendable operand can have
// without being extended.
int getMinValue() const;
};
}

146
lib/Target/Hexagon/MCTargetDesc/HexagonMCInstrInfo.cpp
View File

@ -16,15 +16,29 @@
#include "llvm/MC/MCInstrInfo.h"
namespace llvm {
unsigned HexagonMCInstrInfo::getBitCount(MCInstrInfo const &MCII,
MCInst const &MCI) {
uint64_t const F = HexagonMCInstrInfo::getDesc(MCII, MCI).TSFlags;
return ((F >> HexagonII::ExtentBitsPos) & HexagonII::ExtentBitsMask);
}
MCInstrDesc const &HexagonMCInstrInfo::getDesc(MCInstrInfo const &MCII,
MCInst const &MCI) {
return (MCII.get(MCI.getOpcode()));
}
// Return constant extended operand number.
unsigned short HexagonMCInstrInfo::getCExtOpNum(MCInstrInfo const &MCII,
MCInst const &MCI) {
const uint64_t F = HexagonMCInstrInfo::getDesc(MCII, MCI).TSFlags;
return ((F >> HexagonII::ExtendableOpPos) & HexagonII::ExtendableOpMask);
}
// Return the max value that a constant extendable operand can have
// without being extended.
int HexagonMCInstrInfo::getMaxValue(MCInstrInfo const &MCII,
MCInst const &MCI) {
const uint64_t F = HexagonMCInstrInfo::getDesc(MCII, MCI).TSFlags;
uint64_t const F = HexagonMCInstrInfo::getDesc(MCII, MCI).TSFlags;
unsigned isSigned =
(F >> HexagonII::ExtentSignedPos) & HexagonII::ExtentSignedMask;
unsigned bits = (F >> HexagonII::ExtentBitsPos) & HexagonII::ExtentBitsMask;
@ -34,4 +48,134 @@ int HexagonMCInstrInfo::getMaxValue(MCInstrInfo const &MCII,
else
return ~(-1U << bits);
}
// Return the min value that a constant extendable operand can have
// without being extended.
int HexagonMCInstrInfo::getMinValue(MCInstrInfo const &MCII,
MCInst const &MCI) {
uint64_t const F = HexagonMCInstrInfo::getDesc(MCII, MCI).TSFlags;
unsigned isSigned =
(F >> HexagonII::ExtentSignedPos) & HexagonII::ExtentSignedMask;
unsigned bits = (F >> HexagonII::ExtentBitsPos) & HexagonII::ExtentBitsMask;
if (isSigned) // if value is signed
return -1U << (bits - 1);
else
return 0;
}
// Return the operand that consumes or produces a new value.
MCOperand const &HexagonMCInstrInfo::getNewValue(MCInstrInfo const &MCII,
MCInst const &MCI) {
uint64_t const F = HexagonMCInstrInfo::getDesc(MCII, MCI).TSFlags;
unsigned const O =
(F >> HexagonII::NewValueOpPos) & HexagonII::NewValueOpMask;
MCOperand const &MCO = MCI.getOperand(O);
assert((HexagonMCInstrInfo::isNewValue(MCII, MCI) ||
HexagonMCInstrInfo::hasNewValue(MCII, MCI)) &&
MCO.isReg());
return (MCO);
}
// Return the Hexagon ISA class for the insn.
unsigned HexagonMCInstrInfo::getType(MCInstrInfo const &MCII,
MCInst const &MCI) {
const uint64_t F = HexagonMCInstrInfo::getDesc(MCII, MCI).TSFlags;
return ((F >> HexagonII::TypePos) & HexagonII::TypeMask);
}
// Return whether the instruction is a legal new-value producer.
bool HexagonMCInstrInfo::hasNewValue(MCInstrInfo const &MCII,
MCInst const &MCI) {
const uint64_t F = HexagonMCInstrInfo::getDesc(MCII, MCI).TSFlags;
return ((F >> HexagonII::hasNewValuePos) & HexagonII::hasNewValueMask);
}
// Return whether the insn is an actual insn.
bool HexagonMCInstrInfo::isCanon(MCInstrInfo const &MCII, MCInst const &MCI) {
return (!HexagonMCInstrInfo::getDesc(MCII, MCI).isPseudo() &&
!HexagonMCInstrInfo::isPrefix(MCII, MCI) &&
HexagonMCInstrInfo::getType(MCII, MCI) != HexagonII::TypeENDLOOP);
}
// Return whether the instruction needs to be constant extended.
// 1) Always return true if the instruction has 'isExtended' flag set.
//
// isExtendable:
// 2) For immediate extended operands, return true only if the value is
// out-of-range.
// 3) For global address, always return true.
bool HexagonMCInstrInfo::isConstExtended(MCInstrInfo const &MCII,
MCInst const &MCI) {
if (HexagonMCInstrInfo::isExtended(MCII, MCI))
return true;
if (!HexagonMCInstrInfo::isExtendable(MCII, MCI))
return false;
short ExtOpNum = HexagonMCInstrInfo::getCExtOpNum(MCII, MCI);
int MinValue = HexagonMCInstrInfo::getMinValue(MCII, MCI);
int MaxValue = HexagonMCInstrInfo::getMaxValue(MCII, MCI);
MCOperand const &MO = MCI.getOperand(ExtOpNum);
// We could be using an instruction with an extendable immediate and shoehorn
// a global address into it. If it is a global address it will be constant
// extended. We do this for COMBINE.
// We currently only handle isGlobal() because it is the only kind of
// object we are going to end up with here for now.
// In the future we probably should add isSymbol(), etc.
if (MO.isExpr())
return true;
// If the extendable operand is not 'Immediate' type, the instruction should
// have 'isExtended' flag set.
assert(MO.isImm() && "Extendable operand must be Immediate type");
int ImmValue = MO.getImm();
return (ImmValue < MinValue || ImmValue > MaxValue);
}
// Return true if the instruction may be extended based on the operand value.
bool HexagonMCInstrInfo::isExtendable(MCInstrInfo const &MCII,
MCInst const &MCI) {
uint64_t const F = HexagonMCInstrInfo::getDesc(MCII, MCI).TSFlags;
return (F >> HexagonII::ExtendablePos) & HexagonII::ExtendableMask;
}
// Return whether the instruction must be always extended.
bool HexagonMCInstrInfo::isExtended(MCInstrInfo const &MCII,
MCInst const &MCI) {
uint64_t const F = HexagonMCInstrInfo::getDesc(MCII, MCI).TSFlags;
return (F >> HexagonII::ExtendedPos) & HexagonII::ExtendedMask;
}
// Return whether the insn is a new-value consumer.
bool HexagonMCInstrInfo::isNewValue(MCInstrInfo const &MCII,
MCInst const &MCI) {
const uint64_t F = HexagonMCInstrInfo::getDesc(MCII, MCI).TSFlags;
return ((F >> HexagonII::NewValuePos) & HexagonII::NewValueMask);
}
// Return whether the operand can be constant extended.
bool HexagonMCInstrInfo::isOperandExtended(MCInstrInfo const &MCII,
MCInst const &MCI,
unsigned short OperandNum) {
uint64_t const F = HexagonMCInstrInfo::getDesc(MCII, MCI).TSFlags;
return ((F >> HexagonII::ExtendableOpPos) & HexagonII::ExtendableOpMask) ==
OperandNum;
}
// Return whether the insn is a prefix.
bool HexagonMCInstrInfo::isPrefix(MCInstrInfo const &MCII, MCInst const &MCI) {
return (HexagonMCInstrInfo::getType(MCII, MCI) == HexagonII::TypePREFIX);
}
// Return whether the insn is solo, i.e., cannot be in a packet.
bool HexagonMCInstrInfo::isSolo(MCInstrInfo const &MCII, MCInst const &MCI) {
const uint64_t F = HexagonMCInstrInfo::getDesc(MCII, MCI).TSFlags;
return ((F >> HexagonII::SoloPos) & HexagonII::SoloMask);
}
}

46
lib/Target/Hexagon/MCTargetDesc/HexagonMCInstrInfo.h
View File

@ -18,11 +18,57 @@ namespace llvm {
class MCInstrDesc;
class MCInstrInfo;
class MCInst;
class MCOperand;
namespace HexagonMCInstrInfo {
// Return number of bits in the constant extended operand.
unsigned getBitCount(MCInstrInfo const &MCII, MCInst const &MCI);
// Return constant extended operand number.
unsigned short getCExtOpNum(MCInstrInfo const &MCII, MCInst const &MCI);
MCInstrDesc const &getDesc(MCInstrInfo const &MCII, MCInst const &MCI);
// Return the max value that a constant extendable operand can have
// without being extended.
int getMaxValue(MCInstrInfo const &MCII, MCInst const &MCI);
// Return the min value that a constant extendable operand can have
// without being extended.
int getMinValue(MCInstrInfo const &MCII, MCInst const &MCI);
// Return the operand that consumes or produces a new value.
MCOperand const &getNewValue(MCInstrInfo const &MCII, MCInst const &MCI);
// Return the Hexagon ISA class for the insn.
unsigned getType(MCInstrInfo const &MCII, MCInst const &MCI);
// Return whether the instruction is a legal new-value producer.
bool hasNewValue(MCInstrInfo const &MCII, MCInst const &MCI);
// Return whether the insn is an actual insn.
bool isCanon(MCInstrInfo const &MCII, MCInst const &MCI);
// Return whether the instruction needs to be constant extended.
bool isConstExtended(MCInstrInfo const &MCII, MCInst const &MCI);
// Return true if the insn may be extended based on the operand value.
bool isExtendable(MCInstrInfo const &MCII, MCInst const &MCI);
// Return whether the instruction must be always extended.
bool isExtended(MCInstrInfo const &MCII, MCInst const &MCI);
// Return whether the insn is a new-value consumer.
bool isNewValue(MCInstrInfo const &MCII, MCInst const &MCI);
// Return true if the operand can be constant extended.
bool isOperandExtended(MCInstrInfo const &MCII, MCInst const &MCI,
unsigned short OperandNum);
// Return whether the insn is a prefix.
bool isPrefix(MCInstrInfo const &MCII, MCInst const &MCI);
// Return whether the insn is solo, i.e., cannot be in a packet.
bool isSolo(MCInstrInfo const &MCII, MCInst const &MCI);
}
}