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-rw-r--r--lib/Target/Mips/CMakeLists.txt1
-rw-r--r--lib/Target/Mips/Mips.h2
-rw-r--r--lib/Target/Mips/MipsInstrInfo.cpp47
-rw-r--r--lib/Target/Mips/MipsInstrInfo.h6
-rw-r--r--lib/Target/Mips/MipsTargetMachine.cpp6
5 files changed, 53 insertions, 9 deletions
diff --git a/lib/Target/Mips/CMakeLists.txt b/lib/Target/Mips/CMakeLists.txt
index f2911a7946..bccb5099ef 100644
--- a/lib/Target/Mips/CMakeLists.txt
+++ b/lib/Target/Mips/CMakeLists.txt
@@ -17,7 +17,6 @@ add_llvm_target(MipsCodeGen
MipsAsmPrinter.cpp
MipsCodeEmitter.cpp
MipsDelaySlotFiller.cpp
- MipsExpandPseudo.cpp
MipsJITInfo.cpp
MipsInstrInfo.cpp
MipsISelDAGToDAG.cpp
diff --git a/lib/Target/Mips/Mips.h b/lib/Target/Mips/Mips.h
index fe75a218f2..5ce2347144 100644
--- a/lib/Target/Mips/Mips.h
+++ b/lib/Target/Mips/Mips.h
@@ -24,8 +24,6 @@ namespace llvm {
FunctionPass *createMipsISelDag(MipsTargetMachine &TM);
FunctionPass *createMipsDelaySlotFillerPass(MipsTargetMachine &TM);
- FunctionPass *createMipsExpandPseudoPass(MipsTargetMachine &TM);
-
FunctionPass *createMipsJITCodeEmitterPass(MipsTargetMachine &TM,
JITCodeEmitter &JCE);
diff --git a/lib/Target/Mips/MipsInstrInfo.cpp b/lib/Target/Mips/MipsInstrInfo.cpp
index f5e2d3024e..e2e9d87e60 100644
--- a/lib/Target/Mips/MipsInstrInfo.cpp
+++ b/lib/Target/Mips/MipsInstrInfo.cpp
@@ -232,6 +232,53 @@ loadRegFromStackSlot(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
.addMemOperand(MMO);
}
+void MipsInstrInfo::ExpandExtractElementF64(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator I) const {
+ const TargetInstrInfo *TII = TM.getInstrInfo();
+ unsigned DstReg = I->getOperand(0).getReg();
+ unsigned SrcReg = I->getOperand(1).getReg();
+ unsigned N = I->getOperand(2).getImm();
+ const MCInstrDesc& Mfc1Tdd = TII->get(Mips::MFC1);
+ DebugLoc dl = I->getDebugLoc();
+ const uint16_t* SubReg = TM.getRegisterInfo()->getSubRegisters(SrcReg);
+
+ BuildMI(MBB, I, dl, Mfc1Tdd, DstReg).addReg(*(SubReg + N));
+}
+
+void MipsInstrInfo::ExpandBuildPairF64(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator I) const {
+ const TargetInstrInfo *TII = TM.getInstrInfo();
+ unsigned DstReg = I->getOperand(0).getReg();
+ unsigned LoReg = I->getOperand(1).getReg(), HiReg = I->getOperand(2).getReg();
+ const MCInstrDesc& Mtc1Tdd = TII->get(Mips::MTC1);
+ DebugLoc dl = I->getDebugLoc();
+ const uint16_t* SubReg =
+ TM.getRegisterInfo()->getSubRegisters(DstReg);
+
+ // mtc1 Lo, $fp
+ // mtc1 Hi, $fp + 1
+ BuildMI(MBB, I, dl, Mtc1Tdd, *SubReg).addReg(LoReg);
+ BuildMI(MBB, I, dl, Mtc1Tdd, *(SubReg + 1)).addReg(HiReg);
+}
+
+bool MipsInstrInfo::expandPostRAPseudo(MachineBasicBlock::iterator MI) const {
+ MachineBasicBlock &MBB = *MI->getParent();
+
+ switch(MI->getDesc().getOpcode()) {
+ default:
+ return false;
+ case Mips::BuildPairF64:
+ ExpandBuildPairF64(MBB, MI);
+ break;
+ case Mips::ExtractElementF64:
+ ExpandExtractElementF64(MBB, MI);
+ break;
+ }
+
+ MBB.erase(MI);
+ return true;
+}
+
MachineInstr*
MipsInstrInfo::emitFrameIndexDebugValue(MachineFunction &MF, int FrameIx,
uint64_t Offset, const MDNode *MDPtr,
diff --git a/lib/Target/Mips/MipsInstrInfo.h b/lib/Target/Mips/MipsInstrInfo.h
index 4be727dd89..51cc9afdfa 100644
--- a/lib/Target/Mips/MipsInstrInfo.h
+++ b/lib/Target/Mips/MipsInstrInfo.h
@@ -70,6 +70,10 @@ public:
private:
void BuildCondBr(MachineBasicBlock &MBB, MachineBasicBlock *TBB, DebugLoc DL,
const SmallVectorImpl<MachineOperand>& Cond) const;
+ void ExpandExtractElementF64(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator I) const;
+ void ExpandBuildPairF64(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator I) const;
public:
virtual unsigned InsertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB,
@@ -92,6 +96,8 @@ public:
const TargetRegisterClass *RC,
const TargetRegisterInfo *TRI) const;
+ virtual bool expandPostRAPseudo(MachineBasicBlock::iterator MI) const;
+
virtual MachineInstr* emitFrameIndexDebugValue(MachineFunction &MF,
int FrameIx, uint64_t Offset,
const MDNode *MDPtr,
diff --git a/lib/Target/Mips/MipsTargetMachine.cpp b/lib/Target/Mips/MipsTargetMachine.cpp
index 1e6e852726..7ba610e3b1 100644
--- a/lib/Target/Mips/MipsTargetMachine.cpp
+++ b/lib/Target/Mips/MipsTargetMachine.cpp
@@ -105,7 +105,6 @@ public:
}
virtual bool addInstSelector();
- virtual bool addPreSched2();
virtual bool addPreEmitPass();
};
} // namespace
@@ -129,11 +128,6 @@ bool MipsPassConfig::addPreEmitPass() {
return true;
}
-bool MipsPassConfig::addPreSched2() {
- PM->add(createMipsExpandPseudoPass(getMipsTargetMachine()));
- return true;
-}
-
bool MipsTargetMachine::addCodeEmitter(PassManagerBase &PM,
JITCodeEmitter &JCE) {
// Machine code emitter pass for Mips.