HexagonISelLoweringHVX.cpp File Reference

#include "HexagonISelLowering.h"
#include "HexagonRegisterInfo.h"
#include "HexagonSubtarget.h"
#include "llvm/ADT/SetVector.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/Analysis/MemoryLocation.h"
#include "llvm/CodeGen/MachineBasicBlock.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/CodeGen/MachineOperand.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/TargetInstrInfo.h"
#include "llvm/IR/IntrinsicsHexagon.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/ErrorHandling.h"
#include <algorithm>
#include <string>
#include <utility>

Go to the source code of this file.

Functions
static std::tuple< unsigned, unsigned, unsigned >	getIEEEProperties (MVT Ty)
static bool	DetectExtendingMultiply (const SDValue &N, EVT ScalarType, unsigned &Opcode, SDValue &A, SDValue &B)

Variables
static cl::opt< unsigned >	HvxWidenThreshold ("hexagon-hvx-widen", cl::Hidden, cl::init(16), cl::desc("Lower threshold (in bytes) for widening to HVX vectors"))
static cl::opt< bool >	EnableFpFastConvert ("hexagon-fp-fast-convert", cl::Hidden, cl::init(false), cl::desc("Enable FP fast conversion routine."))
static cl::opt< bool >	EnableXQFFastConvert ("hexagon-qf-fast-convert", cl::Hidden, cl::init(false), cl::desc("Enable XQF fast conversion routine."))
static const MVT	LegalV64 [] = { MVT::v64i8, MVT::v32i16, MVT::v16i32 }
static const MVT	LegalW64 [] = { MVT::v128i8, MVT::v64i16, MVT::v32i32 }
static const MVT	LegalV128 [] = { MVT::v128i8, MVT::v64i16, MVT::v32i32 }
static const MVT	LegalW128 [] = { MVT::v256i8, MVT::v128i16, MVT::v64i32 }
static const unsigned	MaxExpandMLA = 8

Function Documentation

DetectExtendingMultiply()

bool DetectExtendingMultiply ( const SDValue & N, EVT ScalarType, unsigned & Opcode, SDValue & A, SDValue & B )

static

Definition at line 4414 of file HexagonISelLoweringHVX.cpp.

References A(), B(), llvm::EVT::getVectorElementType(), llvm::ISD::MUL, Mul, N, llvm::ISD::PARTIAL_REDUCE_SMLA, llvm::ISD::PARTIAL_REDUCE_SUMLA, llvm::ISD::PARTIAL_REDUCE_UMLA, llvm::ISD::SIGN_EXTEND, std::swap(), and llvm::ISD::ZERO_EXTEND.

getIEEEProperties()

std::tuple< unsigned, unsigned, unsigned > getIEEEProperties ( MVT Ty )

static

Definition at line 50 of file HexagonISelLoweringHVX.cpp.

References llvm::c_str(), and llvm_unreachable.

Variable Documentation

EnableFpFastConvert

cl::opt< bool > EnableFpFastConvert("hexagon-fp-fast-convert", cl::Hidden, cl::init(false), cl::desc("Enable FP fast conversion routine.")) ( "hexagon-fp-fast-convert" , cl::Hidden , cl::init(false) , cl::desc("Enable FP fast conversion routine.")  )

static

EnableXQFFastConvert

cl::opt< bool > EnableXQFFastConvert("hexagon-qf-fast-convert", cl::Hidden, cl::init(false), cl::desc("Enable XQF fast conversion routine.")) ( "hexagon-qf-fast-convert" , cl::Hidden , cl::init(false) , cl::desc("Enable XQF fast conversion routine.")  )

static

HvxWidenThreshold

cl::opt< unsigned > HvxWidenThreshold("hexagon-hvx-widen", cl::Hidden, cl::init(16), cl::desc("Lower threshold (in bytes) for widening to HVX vectors")) ( "hexagon-hvx-widen" , cl::Hidden , cl::init(16) , cl::desc("Lower threshold (in bytes) for widening to HVX vectors")  )

static

LegalV128

const MVT LegalV128[] = { MVT::v128i8, MVT::v64i16, MVT::v32i32 }

static

Definition at line 45 of file HexagonISelLoweringHVX.cpp.

LegalV64

const MVT LegalV64[] = { MVT::v64i8, MVT::v32i16, MVT::v16i32 }

static

Definition at line 43 of file HexagonISelLoweringHVX.cpp.

LegalW128

const MVT LegalW128[] = { MVT::v256i8, MVT::v128i16, MVT::v64i32 }

static

Definition at line 46 of file HexagonISelLoweringHVX.cpp.

LegalW64

const MVT LegalW64[] = { MVT::v128i8, MVT::v64i16, MVT::v32i32 }

static

Definition at line 44 of file HexagonISelLoweringHVX.cpp.

MaxExpandMLA

const unsigned MaxExpandMLA = 8

static

Definition at line 48 of file HexagonISelLoweringHVX.cpp.