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Support little-endian encodings in the FixedLenDecoderEmitter
[oota-llvm.git]
/
utils
/
TableGen
/
CodeGenTarget.h
diff --git
a/utils/TableGen/CodeGenTarget.h
b/utils/TableGen/CodeGenTarget.h
index 4a1c6d8fcb6bc5945a4903e3de89d9c4884233d7..d6458f41cf23bf8d35974cbd34c9e05952a520e1 100644
(file)
--- a/
utils/TableGen/CodeGenTarget.h
+++ b/
utils/TableGen/CodeGenTarget.h
@@
-68,7
+68,7
@@
class CodeGenTarget {
mutable DenseMap<const Record*, CodeGenInstruction*> Instructions;
mutable CodeGenRegBank *RegBank;
mutable std::vector<Record*> RegAltNameIndices;
mutable DenseMap<const Record*, CodeGenInstruction*> Instructions;
mutable CodeGenRegBank *RegBank;
mutable std::vector<Record*> RegAltNameIndices;
- mutable
std::vector<MVT::SimpleValueType
> LegalValueTypes;
+ mutable
SmallVector<MVT::SimpleValueType, 8
> LegalValueTypes;
void ReadRegAltNameIndices() const;
void ReadInstructions() const;
void ReadLegalValueTypes() const;
void ReadRegAltNameIndices() const;
void ReadInstructions() const;
void ReadLegalValueTypes() const;
@@
-129,7
+129,7
@@
public:
/// specified physical register.
std::vector<MVT::SimpleValueType> getRegisterVTs(Record *R) const;
/// specified physical register.
std::vector<MVT::SimpleValueType> getRegisterVTs(Record *R) const;
-
const std::vector<MVT::SimpleValueType> &
getLegalValueTypes() const {
+
ArrayRef<MVT::SimpleValueType>
getLegalValueTypes() const {
if (LegalValueTypes.empty()) ReadLegalValueTypes();
return LegalValueTypes;
}
if (LegalValueTypes.empty()) ReadLegalValueTypes();
return LegalValueTypes;
}
@@
-137,7
+137,7
@@
public:
/// isLegalValueType - Return true if the specified value type is natively
/// supported by the target (i.e. there are registers that directly hold it).
bool isLegalValueType(MVT::SimpleValueType VT) const {
/// isLegalValueType - Return true if the specified value type is natively
/// supported by the target (i.e. there are registers that directly hold it).
bool isLegalValueType(MVT::SimpleValueType VT) const {
-
const std::vector<MVT::SimpleValueType> &
LegalVTs = getLegalValueTypes();
+
ArrayRef<MVT::SimpleValueType>
LegalVTs = getLegalValueTypes();
for (unsigned i = 0, e = LegalVTs.size(); i != e; ++i)
if (LegalVTs[i] == VT) return true;
return false;
for (unsigned i = 0, e = LegalVTs.size(); i != e; ++i)
if (LegalVTs[i] == VT) return true;
return false;
@@
-177,6
+177,10
@@
public:
///
bool isLittleEndianEncoding() const;
///
bool isLittleEndianEncoding() const;
+ /// reverseBitsForLittleEndianEncoding - For little-endian instruction bit
+ /// encodings, reverse the bit order of all instructions.
+ void reverseBitsForLittleEndianEncoding();
+
/// guessInstructionProperties - should we just guess unset instruction
/// properties?
bool guessInstructionProperties() const;
/// guessInstructionProperties - should we just guess unset instruction
/// properties?
bool guessInstructionProperties() const;