PPCInstrInfo.cpp File Reference (original) (raw)

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Macros
#define	DEBUG_TYPE "ppc-instr-info"
#define	GET_INSTRMAP_INFO
#define	GET_INSTRINFO_CTOR_DTOR
#define	InfoArrayIdxFMAInst 0
#define	InfoArrayIdxFAddInst 1
#define	InfoArrayIdxFMULInst 2
#define	InfoArrayIdxAddOpIdx 3
#define	InfoArrayIdxMULOpIdx 4
#define	InfoArrayIdxFSubInst 5
#define	PPC_LNX_DEFINE_OFFSETS
#define	PPC_TGT_PARSER_UNDEF_MACROS

Functions
	STATISTIC (NumStoreSPILLVSRRCAsVec, "Number of spillvsrrc spilled to stack as vec")
	STATISTIC (NumStoreSPILLVSRRCAsGpr, "Number of spillvsrrc spilled to stack as gpr")
	STATISTIC (NumGPRtoVSRSpill, "Number of gpr spills to spillvsrrc")
	STATISTIC (CmpIselsConverted, "Number of ISELs that depend on comparison of constants converted")
	STATISTIC (MissedConvertibleImmediateInstrs, "Number of compare-immediate instructions fed by constants")
	STATISTIC (NumRcRotatesConvertedToRcAnd, "Number of record-form rotates converted to record-form andi")
static unsigned	getCRBitValue (unsigned CRBit)
static bool	MBBDefinesCTR (MachineBasicBlock &MBB)
static bool	isLdStSafeToCluster (const MachineInstr &LdSt, const TargetRegisterInfo *TRI)
static bool	isClusterableLdStOpcPair (unsigned FirstOpc, unsigned SecondOpc, const PPCSubtarget &Subtarget)
static bool	isAnImmediateOperand (const MachineOperand &MO)
static unsigned	selectReg (int64_t Imm1, int64_t Imm2, unsigned CompareOpc, unsigned TrueReg, unsigned FalseReg, unsigned CRSubReg)
static void	swapMIOperands (MachineInstr &MI, unsigned Op1, unsigned Op2)
static bool	isOpZeroOfSubwordPreincLoad (int Opcode)
static bool	definedBySignExtendingOp (const unsigned Reg, const MachineRegisterInfo *MRI)
static bool	definedByZeroExtendingOp (const unsigned Reg, const MachineRegisterInfo *MRI)

Variables
static cl::opt< bool >	DisableCTRLoopAnal ("disable-ppc-ctrloop-analysis", cl::Hidden, cl::desc("Disable analysis for CTR loops"))
static cl::opt< bool >	DisableCmpOpt ("disable-ppc-cmp-opt", cl::desc("Disable compare instruction optimization"), cl::Hidden)
static cl::opt< bool >	VSXSelfCopyCrash ("crash-on-ppc-vsx-self-copy", cl::desc("Causes the backend to crash instead of generating a nop VSX copy"), cl::Hidden)
static cl::opt< bool >	UseOldLatencyCalc ("ppc-old-latency-calc", cl::Hidden, cl::desc("Use the old (incorrect) instruction latency calculation"))
static cl::opt< float >	FMARPFactor ("ppc-fma-rp-factor", cl::Hidden, cl::init(1.5), cl::desc("register pressure factor for the transformations."))
static cl::opt< bool >	EnableFMARegPressureReduction ("ppc-fma-rp-reduction", cl::Hidden, cl::init(true), cl::desc("enable register pressure reduce in machine combiner pass."))
static const uint16_t	FMAOpIdxInfo [][6]
const unsigned	MAX_BINOP_DEPTH = 1

◆ DEBUG_TYPE

#define DEBUG_TYPE "ppc-instr-info"

◆ GET_INSTRINFO_CTOR_DTOR

#define GET_INSTRINFO_CTOR_DTOR

◆ GET_INSTRMAP_INFO

#define GET_INSTRMAP_INFO

◆ InfoArrayIdxAddOpIdx

#define InfoArrayIdxAddOpIdx 3

◆ InfoArrayIdxFAddInst

#define InfoArrayIdxFAddInst 1

◆ InfoArrayIdxFMAInst

#define InfoArrayIdxFMAInst 0

◆ InfoArrayIdxFMULInst

#define InfoArrayIdxFMULInst 2

◆ InfoArrayIdxFSubInst

#define InfoArrayIdxFSubInst 5

◆ InfoArrayIdxMULOpIdx

#define InfoArrayIdxMULOpIdx 4

◆ PPC_LNX_DEFINE_OFFSETS

#define PPC_LNX_DEFINE_OFFSETS

◆ PPC_TGT_PARSER_UNDEF_MACROS

#define PPC_TGT_PARSER_UNDEF_MACROS

◆ definedBySignExtendingOp()

◆ definedByZeroExtendingOp()

◆ getCRBitValue()

◆ isAnImmediateOperand()

◆ isClusterableLdStOpcPair()

◆ isLdStSafeToCluster()

◆ isOpZeroOfSubwordPreincLoad()

bool isOpZeroOfSubwordPreincLoad ( int Opcode)	static

◆ MBBDefinesCTR()

◆ selectReg()

◆ STATISTIC() [1/6]

STATISTIC	(	CmpIselsConverted	,
"Number of ISELs that depend on comparison of constants converted"	)

◆ STATISTIC() [2/6]

STATISTIC	(	MissedConvertibleImmediateInstrs	,
"Number of compare-immediate instructions fed by constants"	)

◆ STATISTIC() [3/6]

STATISTIC	(	NumGPRtoVSRSpill	,
"Number of gpr spills to spillvsrrc"	)

◆ STATISTIC() [4/6]

STATISTIC	(	NumRcRotatesConvertedToRcAnd	,
"Number of record-form rotates converted to record-form andi"	)

◆ STATISTIC() [5/6]

STATISTIC	(	NumStoreSPILLVSRRCAsGpr	,
"Number of spillvsrrc spilled to stack as gpr"	)

◆ STATISTIC() [6/6]

STATISTIC	(	NumStoreSPILLVSRRCAsVec	,
"Number of spillvsrrc spilled to stack as vec"	)

◆ swapMIOperands()

◆ DisableCmpOpt

cl::opt< bool > DisableCmpOpt("disable-ppc-cmp-opt", cl::desc("Disable compare instruction optimization"), cl::Hidden) ( "disable-ppc-cmp-opt" , cl::desc("Disable compare instruction optimization") , cl::Hidden )	static

◆ DisableCTRLoopAnal

◆ EnableFMARegPressureReduction

cl::opt< bool > EnableFMARegPressureReduction("ppc-fma-rp-reduction", cl::Hidden, cl::init(true), cl::desc("enable register pressure reduce in machine combiner pass.")) ( "ppc-fma-rp-reduction" , cl::Hidden , cl::init(true) , cl::desc("enable register pressure reduce in machine combiner pass.") )	static

◆ FMAOpIdxInfo

Initial value:

= {

{PPC::XSMADDADP, PPC::XSADDDP, PPC::XSMULDP, 1, 2, PPC::XSSUBDP},

{PPC::XSMADDASP, PPC::XSADDSP, PPC::XSMULSP, 1, 2, PPC::XSSUBSP},

{PPC::XVMADDADP, PPC::XVADDDP, PPC::XVMULDP, 1, 2, PPC::XVSUBDP},

{PPC::XVMADDASP, PPC::XVADDSP, PPC::XVMULSP, 1, 2, PPC::XVSUBSP},

{PPC::FMADD, PPC::FADD, PPC::FMUL, 3, 1, PPC::FSUB},

{PPC::FMADDS, PPC::FADDS, PPC::FMULS, 3, 1, PPC::FSUBS}}

Definition at line 284 of file PPCInstrInfo.cpp.

Referenced by llvm::PPCInstrInfo::finalizeInsInstrs(), and llvm::PPCInstrInfo::getFMAPatterns().

◆ FMARPFactor

cl::opt< float > FMARPFactor("ppc-fma-rp-factor", cl::Hidden, cl::init(1.5), cl::desc("register pressure factor for the transformations.")) ( "ppc-fma-rp-factor" , cl::Hidden , cl::init(1.5) , cl::desc("register pressure factor for the transformations.") )	static

◆ MAX_BINOP_DEPTH

◆ UseOldLatencyCalc

cl::opt< bool > UseOldLatencyCalc("ppc-old-latency-calc", cl::Hidden, cl::desc("Use the old (incorrect) instruction latency calculation")) ( "ppc-old-latency-calc" , cl::Hidden , cl::desc("Use the old (incorrect) instruction latency calculation") )	static

◆ VSXSelfCopyCrash

cl::opt< bool > VSXSelfCopyCrash("crash-on-ppc-vsx-self-copy", cl::desc("Causes the backend to crash instead of generating a nop VSX copy"), cl::Hidden) ( "crash-on-ppc-vsx-self-copy" , cl::desc("Causes the backend to crash instead of generating a nop VSX copy") , cl::Hidden )	static