[llvm] r176007 - Make pseudos FEXT_CCRX16_ins and FEXT_CCRXI16_ins into custom emitters.
Reed Kotler
rkotler at mips.com
Sun Feb 24 18:25:48 PST 2013
Author: rkotler
Date: Sun Feb 24 20:25:47 2013
New Revision: 176007
URL: http://llvm.org/viewvc/llvm-project?rev=176007&view=rev
Log:
Make pseudos FEXT_CCRX16_ins and FEXT_CCRXI16_ins into custom emitters.
Modified:
llvm/trunk/lib/Target/Mips/Mips16InstrInfo.cpp
llvm/trunk/lib/Target/Mips/Mips16InstrInfo.h
llvm/trunk/lib/Target/Mips/Mips16InstrInfo.td
llvm/trunk/lib/Target/Mips/MipsISelLowering.cpp
llvm/trunk/lib/Target/Mips/MipsISelLowering.h
Modified: llvm/trunk/lib/Target/Mips/Mips16InstrInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Mips/Mips16InstrInfo.cpp?rev=176007&r1=176006&r2=176007&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Mips/Mips16InstrInfo.cpp (original)
+++ llvm/trunk/lib/Target/Mips/Mips16InstrInfo.cpp Sun Feb 24 20:25:47 2013
@@ -138,18 +138,6 @@ bool Mips16InstrInfo::expandPostRAPseudo
case Mips::RetRA16:
ExpandRetRA16(MBB, MI, Mips::JrcRa16);
break;
- case Mips::SltCCRxRy16:
- ExpandFEXT_CCRX16_ins(MBB, MI, Mips::SltRxRy16);
- break;
- case Mips::SltiCCRxImmX16:
- ExpandFEXT_CCRXI16_ins(MBB, MI, Mips::SltiRxImm16, Mips::SltiRxImmX16);
- break;
- case Mips::SltiuCCRxImmX16:
- ExpandFEXT_CCRXI16_ins(MBB, MI, Mips::SltiuRxImm16, Mips::SltiuRxImmX16);
- break;
- case Mips::SltuCCRxRy16:
- ExpandFEXT_CCRX16_ins(MBB, MI, Mips::SltuRxRy16);
- break;
}
MBB.erase(MI);
@@ -411,29 +399,6 @@ void Mips16InstrInfo::ExpandRetRA16(Mach
BuildMI(MBB, I, I->getDebugLoc(), get(Opc));
}
-void Mips16InstrInfo::ExpandFEXT_CCRX16_ins(
- MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
- unsigned SltOpc) const {
- unsigned CC = I->getOperand(0).getReg();
- unsigned regX = I->getOperand(1).getReg();
- unsigned regY = I->getOperand(2).getReg();
- BuildMI(MBB, I, I->getDebugLoc(), get(SltOpc)).addReg(regX).addReg(regY);
- BuildMI(MBB, I, I->getDebugLoc(),
- get(Mips::MoveR3216), CC).addReg(Mips::T8);
-
-}
-void Mips16InstrInfo::ExpandFEXT_CCRXI16_ins(
- MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
- unsigned SltiOpc, unsigned SltiXOpc) const {
- unsigned CC = I->getOperand(0).getReg();
- unsigned regX = I->getOperand(1).getReg();
- int64_t Imm = I->getOperand(2).getImm();
- unsigned SltOpc = whichOp8u_or_16simm(SltiOpc, SltiXOpc, Imm);
- BuildMI(MBB, I, I->getDebugLoc(), get(SltOpc)).addReg(regX).addImm(Imm);
- BuildMI(MBB, I, I->getDebugLoc(),
- get(Mips::MoveR3216), CC).addReg(Mips::T8);
-
-}
const MCInstrDesc &Mips16InstrInfo::AddiuSpImm(int64_t Imm) const {
if (validSpImm8(Imm))
@@ -448,26 +413,6 @@ void Mips16InstrInfo::BuildAddiuSpImm
BuildMI(MBB, I, DL, AddiuSpImm(Imm)).addImm(Imm);
}
-unsigned Mips16InstrInfo::whichOp8_or_16uimm
- (unsigned shortOp, unsigned longOp, int64_t Imm) {
- if (isUInt<8>(Imm))
- return shortOp;
- else if (isUInt<16>(Imm))
- return longOp;
- else
- llvm_unreachable("immediate field not usable");
-}
-
-unsigned Mips16InstrInfo::whichOp8u_or_16simm
- (unsigned shortOp, unsigned longOp, int64_t Imm) {
- if (isUInt<8>(Imm))
- return shortOp;
- else if (isInt<16>(Imm))
- return longOp;
- else
- llvm_unreachable("immediate field not usable");
-}
-
const MipsInstrInfo *llvm::createMips16InstrInfo(MipsTargetMachine &TM) {
return new Mips16InstrInfo(TM);
}
Modified: llvm/trunk/lib/Target/Mips/Mips16InstrInfo.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Mips/Mips16InstrInfo.h?rev=176007&r1=176006&r2=176007&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Mips/Mips16InstrInfo.h (original)
+++ llvm/trunk/lib/Target/Mips/Mips16InstrInfo.h Sun Feb 24 20:25:47 2013
@@ -115,20 +115,6 @@ private:
MachineBasicBlock &MBB,
MachineBasicBlock::iterator I) const;
- void ExpandFEXT_CCRX16_ins(
- MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
- unsigned SltOpc) const;
-
- void ExpandFEXT_CCRXI16_ins(
- MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
- unsigned SltiOpc, unsigned SltiXOpc) const;
-
- static unsigned
- whichOp8_or_16uimm (unsigned shortOp, unsigned longOp, int64_t Imm);
-
- static unsigned
- whichOp8u_or_16simm (unsigned shortOp, unsigned longOp, int64_t Imm);
-
};
}
Modified: llvm/trunk/lib/Target/Mips/Mips16InstrInfo.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Mips/Mips16InstrInfo.td?rev=176007&r1=176006&r2=176007&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Mips/Mips16InstrInfo.td (original)
+++ llvm/trunk/lib/Target/Mips/Mips16InstrInfo.td Sun Feb 24 20:25:47 2013
@@ -90,6 +90,7 @@ class FEXT_CCRXI16_ins<string asmstr>:
MipsPseudo16<(outs CPU16Regs:$cc), (ins CPU16Regs:$rx, simm16:$imm),
!strconcat(asmstr, "\t$rx, $imm\n\tmove\t$cc, $$t8"), []> {
let isCodeGenOnly=1;
+ let usesCustomInserter = 1;
}
// JAL and JALX instruction format
@@ -138,6 +139,7 @@ class FCCRR16_ins<string asmstr> :
MipsPseudo16<(outs CPU16Regs:$cc), (ins CPU16Regs:$rx, CPU16Regs:$ry),
!strconcat(asmstr, "\t$rx, $ry\n\tmove\t$cc, $$t8"), []> {
let isCodeGenOnly=1;
+ let usesCustomInserter = 1;
}
//
Modified: llvm/trunk/lib/Target/Mips/MipsISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Mips/MipsISelLowering.cpp?rev=176007&r1=176006&r2=176007&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Mips/MipsISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/Mips/MipsISelLowering.cpp Sun Feb 24 20:25:47 2013
@@ -1434,6 +1434,8 @@ MachineBasicBlock
*MipsTargetLowering::EmitFEXT_T8I816_ins(unsigned BtOpc, unsigned CmpOpc,
MachineInstr *MI,
MachineBasicBlock *BB) const {
+ if (DontExpandCondPseudos16)
+ return BB;
const TargetInstrInfo *TII = getTargetMachine().getInstrInfo();
unsigned regX = MI->getOperand(0).getReg();
unsigned regY = MI->getOperand(1).getReg();
@@ -1448,6 +1450,8 @@ MachineBasicBlock
MachineBasicBlock *MipsTargetLowering::EmitFEXT_T8I8I16_ins(
unsigned BtOpc, unsigned CmpiOpc, unsigned CmpiXOpc,
MachineInstr *MI, MachineBasicBlock *BB) const {
+ if (DontExpandCondPseudos16)
+ return BB;
const TargetInstrInfo *TII = getTargetMachine().getInstrInfo();
unsigned regX = MI->getOperand(0).getReg();
int64_t imm = MI->getOperand(1).getImm();
@@ -1465,6 +1469,51 @@ MachineBasicBlock *MipsTargetLowering::E
return BB;
}
+
+static unsigned Mips16WhichOp8uOr16simm
+ (unsigned shortOp, unsigned longOp, int64_t Imm) {
+ if (isUInt<8>(Imm))
+ return shortOp;
+ else if (isInt<16>(Imm))
+ return longOp;
+ else
+ llvm_unreachable("immediate field not usable");
+}
+
+MachineBasicBlock *MipsTargetLowering::EmitFEXT_CCRX16_ins(
+ unsigned SltOpc,
+ MachineInstr *MI, MachineBasicBlock *BB) const {
+ if (DontExpandCondPseudos16)
+ return BB;
+ const TargetInstrInfo *TII = getTargetMachine().getInstrInfo();
+ unsigned CC = MI->getOperand(0).getReg();
+ unsigned regX = MI->getOperand(1).getReg();
+ unsigned regY = MI->getOperand(2).getReg();
+ BuildMI(*BB, MI, MI->getDebugLoc(),
+ TII->get(SltOpc)).addReg(regX).addReg(regY);
+ BuildMI(*BB, MI, MI->getDebugLoc(),
+ TII->get(Mips::MoveR3216), CC).addReg(Mips::T8);
+ MI->eraseFromParent(); // The pseudo instruction is gone now.
+ return BB;
+}
+MachineBasicBlock *MipsTargetLowering::EmitFEXT_CCRXI16_ins(
+ unsigned SltiOpc, unsigned SltiXOpc,
+ MachineInstr *MI, MachineBasicBlock *BB )const {
+ if (DontExpandCondPseudos16)
+ return BB;
+ const TargetInstrInfo *TII = getTargetMachine().getInstrInfo();
+ unsigned CC = MI->getOperand(0).getReg();
+ unsigned regX = MI->getOperand(1).getReg();
+ int64_t Imm = MI->getOperand(2).getImm();
+ unsigned SltOpc = Mips16WhichOp8uOr16simm(SltiOpc, SltiXOpc, Imm);
+ BuildMI(*BB, MI, MI->getDebugLoc(),
+ TII->get(SltOpc)).addReg(regX).addImm(Imm);
+ BuildMI(*BB, MI, MI->getDebugLoc(),
+ TII->get(Mips::MoveR3216), CC).addReg(Mips::T8);
+ MI->eraseFromParent(); // The pseudo instruction is gone now.
+ return BB;
+
+}
MachineBasicBlock *
MipsTargetLowering::EmitInstrWithCustomInserter(MachineInstr *MI,
MachineBasicBlock *BB) const {
@@ -1633,6 +1682,18 @@ MipsTargetLowering::EmitInstrWithCustomI
case Mips::BtnezT8SltiuX16: return EmitFEXT_T8I8I16_ins(
Mips::BtnezX16, Mips::SltiuRxImm16, Mips::SltiuRxImmX16, MI, BB);
break;
+ case Mips::SltCCRxRy16:
+ return EmitFEXT_CCRX16_ins(Mips::SltRxRy16, MI, BB);
+ break;
+ case Mips::SltiCCRxImmX16:
+ return EmitFEXT_CCRXI16_ins
+ (Mips::SltiRxImm16, Mips::SltiRxImmX16, MI, BB);
+ case Mips::SltiuCCRxImmX16:
+ return EmitFEXT_CCRXI16_ins
+ (Mips::SltiuRxImm16, Mips::SltiuRxImmX16, MI, BB);
+ case Mips::SltuCCRxRy16:
+ return EmitFEXT_CCRX16_ins
+ (Mips::SltuRxRy16, MI, BB);
}
}
Modified: llvm/trunk/lib/Target/Mips/MipsISelLowering.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Mips/MipsISelLowering.h?rev=176007&r1=176006&r2=176007&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Mips/MipsISelLowering.h (original)
+++ llvm/trunk/lib/Target/Mips/MipsISelLowering.h Sun Feb 24 20:25:47 2013
@@ -419,6 +419,13 @@ namespace llvm {
MachineBasicBlock *EmitFEXT_T8I8I16_ins(
unsigned BtOpc, unsigned CmpiOpc, unsigned CmpiXOpc,
MachineInstr *MI, MachineBasicBlock *BB) const;
+ MachineBasicBlock *EmitFEXT_CCRX16_ins(
+ unsigned SltOpc,
+ MachineInstr *MI, MachineBasicBlock *BB) const;
+ MachineBasicBlock *EmitFEXT_CCRXI16_ins(
+ unsigned SltiOpc, unsigned SltiXOpc,
+ MachineInstr *MI, MachineBasicBlock *BB )const;
+
};
}
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