mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-24 05:23:45 +02:00
0e7885981e
...and the two followup commits: Revert "[Sparc][Leon] Missed resetting option flags from check-in 278489." Revert "[Sparc][Leon] Errata fixes for various errata in different versions of the Leon variants of the Sparc 32 bit processor." This reverts commit r274856, r278489, and r278492. llvm-svn: 278511
102 lines
3.0 KiB
C++
Executable File
102 lines
3.0 KiB
C++
Executable File
//===------- LeonPasses.h - Define passes specific to LEON ----------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_LIB_TARGET_SPARC_LEON_PASSES_H
|
|
#define LLVM_LIB_TARGET_SPARC_LEON_PASSES_H
|
|
|
|
#include "llvm/CodeGen/MachineBasicBlock.h"
|
|
#include "llvm/CodeGen/MachineFunctionPass.h"
|
|
#include "llvm/CodeGen/Passes.h"
|
|
|
|
#include "Sparc.h"
|
|
#include "SparcSubtarget.h"
|
|
|
|
namespace llvm {
|
|
class LLVM_LIBRARY_VISIBILITY LEONMachineFunctionPass
|
|
: public MachineFunctionPass {
|
|
protected:
|
|
const SparcSubtarget *Subtarget;
|
|
const int LAST_OPERAND = -1;
|
|
|
|
// this vector holds free registers that we allocate in groups for some of the
|
|
// LEON passes
|
|
std::vector<int> UsedRegisters;
|
|
|
|
protected:
|
|
LEONMachineFunctionPass(TargetMachine &tm, char &ID);
|
|
LEONMachineFunctionPass(char &ID);
|
|
|
|
int GetRegIndexForOperand(MachineInstr &MI, int OperandIndex);
|
|
void clearUsedRegisterList() { UsedRegisters.clear(); }
|
|
|
|
void markRegisterUsed(int registerIndex) {
|
|
UsedRegisters.push_back(registerIndex);
|
|
}
|
|
int getUnusedFPRegister(MachineRegisterInfo &MRI);
|
|
};
|
|
|
|
class LLVM_LIBRARY_VISIBILITY InsertNOPLoad : public LEONMachineFunctionPass {
|
|
public:
|
|
static char ID;
|
|
|
|
InsertNOPLoad(TargetMachine &tm);
|
|
bool runOnMachineFunction(MachineFunction &MF) override;
|
|
|
|
const char *getPassName() const override {
|
|
return "InsertNOPLoad: Erratum Fix LBR35: insert a NOP instruction after "
|
|
"every single-cycle load instruction when the next instruction is "
|
|
"another load/store instruction";
|
|
}
|
|
};
|
|
|
|
class LLVM_LIBRARY_VISIBILITY FixFSMULD : public LEONMachineFunctionPass {
|
|
public:
|
|
static char ID;
|
|
|
|
FixFSMULD(TargetMachine &tm);
|
|
bool runOnMachineFunction(MachineFunction &MF) override;
|
|
|
|
const char *getPassName() const override {
|
|
return "FixFSMULD: Erratum Fix LBR31: do not select FSMULD";
|
|
}
|
|
};
|
|
|
|
class LLVM_LIBRARY_VISIBILITY ReplaceFMULS : public LEONMachineFunctionPass {
|
|
public:
|
|
static char ID;
|
|
|
|
ReplaceFMULS(TargetMachine &tm);
|
|
bool runOnMachineFunction(MachineFunction &MF) override;
|
|
|
|
const char *getPassName() const override {
|
|
return "ReplaceFMULS: Erratum Fix LBR32: replace FMULS instruction with a "
|
|
"routine using conversions/double precision operations to replace "
|
|
"FMULS";
|
|
}
|
|
};
|
|
|
|
class LLVM_LIBRARY_VISIBILITY FixAllFDIVSQRT : public LEONMachineFunctionPass {
|
|
public:
|
|
static char ID;
|
|
|
|
FixAllFDIVSQRT(TargetMachine &tm);
|
|
bool runOnMachineFunction(MachineFunction &MF) override;
|
|
|
|
const char *getPassName() const override {
|
|
return "FixAllFDIVSQRT: Erratum Fix LBR34: fix FDIVS/FDIVD/FSQRTS/FSQRTD "
|
|
"instructions with NOPs and floating-point store";
|
|
}
|
|
};
|
|
} // namespace llvm
|
|
|
|
#endif // LLVM_LIB_TARGET_SPARC_LEON_PASSES_H
|