14#ifndef LLVM_TARGETPARSER_RISCVTARGETPARSER_H
15#define LLVM_TARGETPARSER_RISCVTARGETPARSER_H
27namespace RISCVExtensionBitmaskTable {
40 bool NeedPlus =
false);
77inline static bool isValidLMUL(
unsigned LMUL,
bool Fractional) {
78 return isPowerOf2_32(LMUL) && LMUL <= 8 && (!Fractional || LMUL != 1);
85 unsigned VLMUL = VType & 0x7;
94 unsigned LmulLog2 =
Log2_32(LMUL);
95 return static_cast<RISCVII::VLMUL>(Fractional ? 8 - LmulLog2 : LmulLog2);
99 assert(VSEW < 8 &&
"Unexpected VSEW value");
100 return 1 << (VSEW + 3);
108inline static unsigned getSEW(
unsigned VType) {
109 unsigned VSEW = (VType >> 3) & 0x7;
121std::optional<RISCVII::VLMUL>
assert(ImpDefSCC.getReg()==AMDGPU::SCC &&ImpDefSCC.isDef())
This class consists of common code factored out of the SmallVector class to reduce code duplication b...
StringRef - Represent a constant reference to a string, i.e.
This class implements an extremely fast bulk output stream that can only output to a stream.
@ TAIL_UNDISTURBED_MASK_UNDISTURBED
static bool isTailAgnostic(unsigned VType)
static RISCVII::VLMUL getVLMUL(unsigned VType)
static unsigned decodeVSEW(unsigned VSEW)
std::pair< unsigned, bool > decodeVLMUL(RISCVII::VLMUL VLMUL)
unsigned getSEWLMULRatio(unsigned SEW, RISCVII::VLMUL VLMul)
static bool isValidLMUL(unsigned LMUL, bool Fractional)
static RISCVII::VLMUL encodeLMUL(unsigned LMUL, bool Fractional)
static bool isMaskAgnostic(unsigned VType)
static unsigned encodeSEW(unsigned SEW)
static bool isValidSEW(unsigned SEW)
void printVType(unsigned VType, raw_ostream &OS)
unsigned encodeVTYPE(RISCVII::VLMUL VLMUL, unsigned SEW, bool TailAgnostic, bool MaskAgnostic)
static unsigned getSEW(unsigned VType)
std::optional< RISCVII::VLMUL > getSameRatioLMUL(unsigned SEW, RISCVII::VLMUL VLMUL, unsigned EEW)
bool hasFastVectorUnalignedAccess(StringRef CPU)
void getFeaturesForCPU(StringRef CPU, SmallVectorImpl< std::string > &EnabledFeatures, bool NeedPlus=false)
void fillValidTuneCPUArchList(SmallVectorImpl< StringRef > &Values, bool IsRV64)
StringRef getMArchFromMcpu(StringRef CPU)
bool parseCPU(StringRef CPU, bool IsRV64)
bool hasFastScalarUnalignedAccess(StringRef CPU)
static constexpr unsigned RVVBitsPerBlock
bool parseTuneCPU(StringRef CPU, bool IsRV64)
void fillValidCPUArchList(SmallVectorImpl< StringRef > &Values, bool IsRV64)
This is an optimization pass for GlobalISel generic memory operations.
unsigned Log2_32(uint32_t Value)
Return the floor log base 2 of the specified value, -1 if the value is zero.
constexpr bool isPowerOf2_32(uint32_t Value)
Return true if the argument is a power of two > 0.