MicroMipsSizeReduction.cpp File Reference (original) (raw)

This pass is used to reduce the size of instructions where applicable. More...

Macros
#define	DEBUG_TYPE "micromips-reduce-size"
#define	MICROMIPS_SIZE_REDUCE_NAME "MicroMips instruction size reduce pass"

Functions
	STATISTIC (NumReduced, "Number of instructions reduced (32-bit to 16-bit ones, " "or two instructions into one")
	INITIALIZE_PASS (MicroMipsSizeReduce, DEBUG_TYPE, MICROMIPS_SIZE_REDUCE_NAME, false, false) static bool IsSP(const MachineOperand &MO)
static bool	isMMThreeBitGPRegister (const MachineOperand &MO)
static bool	isMMSourceRegister (const MachineOperand &MO)
static bool	GetImm (MachineInstr *MI, unsigned Op, int64_t &Imm)
static bool	AddiuspImmValue (int64_t Value)
static bool	InRange (int64_t Value, unsigned short Shift, int LBound, int HBound)
static bool	ImmInRange (MachineInstr *MI, const ReduceEntry &Entry)
static bool	CheckXWPInstr (MachineInstr *MI, bool ReduceToLwp, const ReduceEntry &Entry)
static bool	ConsecutiveRegisters (unsigned Reg1, unsigned Reg2)
static bool	ConsecutiveInstr (MachineInstr MI1, MachineInstr MI2)
static bool	IsMovepSrcRegister (unsigned Reg)
static bool	IsMovepDestinationReg (unsigned Reg)
static bool	IsMovepDestinationRegPair (unsigned R0, unsigned R1)

This pass is used to reduce the size of instructions where applicable.

TODO: Implement microMIPS64 support.

◆ DEBUG_TYPE

#define DEBUG_TYPE "micromips-reduce-size"

#define MICROMIPS_SIZE_REDUCE_NAME "MicroMips instruction size reduce pass"

bool AddiuspImmValue ( int64_t Value)	static

INITIALIZE_PASS	(	MicroMipsSizeReduce	,
DEBUG_TYPE	,
MICROMIPS_SIZE_REDUCE_NAME	,
false	,
false	) const &

bool InRange ( int64_t Value, unsigned short Shift, int LBound, int HBound )	static