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-rw-r--r--lib/Target/R600/R600InstrInfo.h36
1 files changed, 35 insertions, 1 deletions
diff --git a/lib/Target/R600/R600InstrInfo.h b/lib/Target/R600/R600InstrInfo.h
index babe4b8..6a11c63 100644
--- a/lib/Target/R600/R600InstrInfo.h
+++ b/lib/Target/R600/R600InstrInfo.h
@@ -16,7 +16,6 @@
#define R600INSTRUCTIONINFO_H_
#include "AMDGPUInstrInfo.h"
-#include "AMDIL.h"
#include "R600Defines.h"
#include "R600RegisterInfo.h"
#include <map>
@@ -36,8 +35,19 @@ namespace llvm {
const AMDGPUSubtarget &ST;
int getBranchInstr(const MachineOperand &op) const;
+ std::vector<std::pair<int, unsigned> >
+ ExtractSrcs(MachineInstr *MI, const DenseMap<unsigned, unsigned> &PV) const;
public:
+ enum BankSwizzle {
+ ALU_VEC_012 = 0,
+ ALU_VEC_021,
+ ALU_VEC_120,
+ ALU_VEC_102,
+ ALU_VEC_201,
+ ALU_VEC_210
+ };
+
explicit R600InstrInfo(AMDGPUTargetMachine &tm);
const R600RegisterInfo &getRegisterInfo() const;
@@ -62,6 +72,23 @@ namespace llvm {
bool usesTextureCache(unsigned Opcode) const;
bool usesTextureCache(const MachineInstr *MI) const;
+ /// \returns a pair for each src of an ALU instructions.
+ /// The first member of a pair is the register id.
+ /// If register is ALU_CONST, second member is SEL.
+ /// If register is ALU_LITERAL, second member is IMM.
+ /// Otherwise, second member value is undefined.
+ SmallVector<std::pair<MachineOperand *, int64_t>, 3>
+ getSrcs(MachineInstr *MI) const;
+
+ /// Given the order VEC_012 < VEC_021 < VEC_120 < VEC_102 < VEC_201 < VEC_210
+ /// returns true and the first (in lexical order) BankSwizzle affectation
+ /// starting from the one already provided in the Instruction Group MIs that
+ /// fits Read Port limitations in BS if available. Otherwise returns false
+ /// and undefined content in BS.
+ /// PV holds GPR to PV registers in the Instruction Group MIs.
+ bool fitsReadPortLimitations(const std::vector<MachineInstr *> &MIs,
+ const DenseMap<unsigned, unsigned> &PV,
+ std::vector<BankSwizzle> &BS) const;
bool fitsConstReadLimitations(const std::vector<unsigned>&) const;
bool canBundle(const std::vector<MachineInstr *> &) const;
@@ -170,6 +197,11 @@ namespace llvm {
unsigned Src0Reg,
unsigned Src1Reg = 0) const;
+ MachineInstr *buildSlotOfVectorInstruction(MachineBasicBlock &MBB,
+ MachineInstr *MI,
+ unsigned Slot,
+ unsigned DstReg) const;
+
MachineInstr *buildMovImm(MachineBasicBlock &BB,
MachineBasicBlock::iterator I,
unsigned DstReg,
@@ -179,11 +211,13 @@ namespace llvm {
///
/// \returns -1 if the Instruction does not contain the specified \p Op.
int getOperandIdx(const MachineInstr &MI, R600Operands::Ops Op) const;
+ int getOperandIdx(const MachineInstr &MI, R600Operands::VecOps Op) const;
/// \brief Get the index of \p Op for the given Opcode.
///
/// \returns -1 if the Instruction does not contain the specified \p Op.
int getOperandIdx(unsigned Opcode, R600Operands::Ops Op) const;
+ int getOperandIdx(unsigned Opcode, R600Operands::VecOps Op) const;
/// \brief Helper function for setting instruction flag values.
void setImmOperand(MachineInstr *MI, R600Operands::Ops Op, int64_t Imm) const;