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-rw-r--r--lib/Target/ARM/ARMBaseInstrInfo.cpp113
-rw-r--r--lib/Target/ARM/ARMBaseInstrInfo.h10
-rw-r--r--lib/Target/ARM/Thumb1InstrInfo.cpp41
-rw-r--r--lib/Target/ARM/Thumb1InstrInfo.h10
-rw-r--r--lib/Target/ARM/Thumb2InstrInfo.cpp46
-rw-r--r--lib/Target/ARM/Thumb2InstrInfo.h10
6 files changed, 84 insertions, 146 deletions
diff --git a/lib/Target/ARM/ARMBaseInstrInfo.cpp b/lib/Target/ARM/ARMBaseInstrInfo.cpp
index 6a4bc7c0fd..3eb2ff4f0a 100644
--- a/lib/Target/ARM/ARMBaseInstrInfo.cpp
+++ b/lib/Target/ARM/ARMBaseInstrInfo.cpp
@@ -693,85 +693,44 @@ ARMBaseInstrInfo::isStoreToStackSlot(const MachineInstr *MI,
return 0;
}
-bool
-ARMBaseInstrInfo::copyRegToReg(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator I,
- unsigned DestReg, unsigned SrcReg,
- const TargetRegisterClass *DestRC,
- const TargetRegisterClass *SrcRC,
- DebugLoc DL) const {
- // tGPR or tcGPR is used sometimes in ARM instructions that need to avoid
- // using certain registers. Just treat them as GPR here.
- if (DestRC == ARM::tGPRRegisterClass || DestRC == ARM::tcGPRRegisterClass)
- DestRC = ARM::GPRRegisterClass;
- if (SrcRC == ARM::tGPRRegisterClass || SrcRC == ARM::tcGPRRegisterClass)
- SrcRC = ARM::GPRRegisterClass;
-
- if (DestRC == ARM::SPR_8RegisterClass)
- DestRC = ARM::SPRRegisterClass;
- if (SrcRC == ARM::SPR_8RegisterClass)
- SrcRC = ARM::SPRRegisterClass;
-
- // Allow DPR / DPR_VFP2 / DPR_8 cross-class copies.
- if (DestRC == ARM::DPR_8RegisterClass)
- DestRC = ARM::DPR_VFP2RegisterClass;
- if (SrcRC == ARM::DPR_8RegisterClass)
- SrcRC = ARM::DPR_VFP2RegisterClass;
-
- // NEONMoveFixPass will convert VFP moves to NEON moves when profitable.
- if (DestRC == ARM::DPR_VFP2RegisterClass)
- DestRC = ARM::DPRRegisterClass;
- if (SrcRC == ARM::DPR_VFP2RegisterClass)
- SrcRC = ARM::DPRRegisterClass;
-
- // Allow QPR / QPR_VFP2 / QPR_8 cross-class copies.
- if (DestRC == ARM::QPR_VFP2RegisterClass ||
- DestRC == ARM::QPR_8RegisterClass)
- DestRC = ARM::QPRRegisterClass;
- if (SrcRC == ARM::QPR_VFP2RegisterClass ||
- SrcRC == ARM::QPR_8RegisterClass)
- SrcRC = ARM::QPRRegisterClass;
-
- // Allow QQPR / QQPR_VFP2 cross-class copies.
- if (DestRC == ARM::QQPR_VFP2RegisterClass)
- DestRC = ARM::QQPRRegisterClass;
- if (SrcRC == ARM::QQPR_VFP2RegisterClass)
- SrcRC = ARM::QQPRRegisterClass;
-
- // Disallow copies of unequal sizes.
- if (DestRC != SrcRC && DestRC->getSize() != SrcRC->getSize())
- return false;
-
- if (DestRC == ARM::GPRRegisterClass) {
- if (SrcRC == ARM::SPRRegisterClass)
- AddDefaultPred(BuildMI(MBB, I, DL, get(ARM::VMOVRS), DestReg)
- .addReg(SrcReg));
- else
- AddDefaultCC(AddDefaultPred(BuildMI(MBB, I, DL, get(ARM::MOVr),
- DestReg).addReg(SrcReg)));
- } else {
- unsigned Opc;
-
- if (DestRC == ARM::SPRRegisterClass)
- Opc = (SrcRC == ARM::GPRRegisterClass ? ARM::VMOVSR : ARM::VMOVS);
- else if (DestRC == ARM::DPRRegisterClass)
- Opc = ARM::VMOVD;
- else if (DestRC == ARM::QPRRegisterClass)
- Opc = ARM::VMOVQ;
- else if (DestRC == ARM::QQPRRegisterClass)
- Opc = ARM::VMOVQQ;
- else if (DestRC == ARM::QQQQPRRegisterClass)
- Opc = ARM::VMOVQQQQ;
- else
- return false;
-
- MachineInstrBuilder MIB = BuildMI(MBB, I, DL, get(Opc), DestReg);
- MIB.addReg(SrcReg);
- if (Opc != ARM::VMOVQQ && Opc != ARM::VMOVQQQQ)
- AddDefaultPred(MIB);
+void ARMBaseInstrInfo::copyPhysReg(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator I, DebugLoc DL,
+ unsigned DestReg, unsigned SrcReg,
+ bool KillSrc) const {
+ bool GPRDest = ARM::GPRRegClass.contains(DestReg);
+ bool GPRSrc = ARM::GPRRegClass.contains(SrcReg);
+
+ if (GPRDest && GPRSrc) {
+ AddDefaultCC(AddDefaultPred(BuildMI(MBB, I, DL, get(ARM::MOVr), DestReg)
+ .addReg(SrcReg, getKillRegState(KillSrc))));
+ return;
}
- return true;
+ bool SPRDest = ARM::SPRRegClass.contains(DestReg);
+ bool SPRSrc = ARM::SPRRegClass.contains(SrcReg);
+
+ unsigned Opc;
+ if (SPRDest && SPRSrc)
+ Opc = ARM::VMOVS;
+ else if (GPRDest && SPRSrc)
+ Opc = ARM::VMOVRS;
+ else if (SPRDest && GPRSrc)
+ Opc = ARM::VMOVSR;
+ else if (ARM::DPRRegClass.contains(DestReg, SrcReg))
+ Opc = ARM::VMOVD;
+ else if (ARM::QPRRegClass.contains(DestReg, SrcReg))
+ Opc = ARM::VMOVQ;
+ else if (ARM::QQPRRegClass.contains(DestReg, SrcReg))
+ Opc = ARM::VMOVQQ;
+ else if (ARM::QQQQPRRegClass.contains(DestReg, SrcReg))
+ Opc = ARM::VMOVQQQQ;
+ else
+ llvm_unreachable("Impossible reg-to-reg copy");
+
+ MachineInstrBuilder MIB = BuildMI(MBB, I, DL, get(Opc), DestReg);
+ MIB.addReg(SrcReg, getKillRegState(KillSrc));
+ if (Opc != ARM::VMOVQQ && Opc != ARM::VMOVQQQQ)
+ AddDefaultPred(MIB);
}
static const
diff --git a/lib/Target/ARM/ARMBaseInstrInfo.h b/lib/Target/ARM/ARMBaseInstrInfo.h
index 054ea24f75..2c161483e0 100644
--- a/lib/Target/ARM/ARMBaseInstrInfo.h
+++ b/lib/Target/ARM/ARMBaseInstrInfo.h
@@ -273,12 +273,10 @@ public:
virtual unsigned isStoreToStackSlot(const MachineInstr *MI,
int &FrameIndex) const;
- virtual bool copyRegToReg(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator I,
- unsigned DestReg, unsigned SrcReg,
- const TargetRegisterClass *DestRC,
- const TargetRegisterClass *SrcRC,
- DebugLoc DL) const;
+ virtual void copyPhysReg(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator I, DebugLoc DL,
+ unsigned DestReg, unsigned SrcReg,
+ bool KillSrc) const;
virtual void storeRegToStackSlot(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MBBI,
diff --git a/lib/Target/ARM/Thumb1InstrInfo.cpp b/lib/Target/ARM/Thumb1InstrInfo.cpp
index 6408c00b74..c39bfeddf6 100644
--- a/lib/Target/ARM/Thumb1InstrInfo.cpp
+++ b/lib/Target/ARM/Thumb1InstrInfo.cpp
@@ -33,31 +33,24 @@ unsigned Thumb1InstrInfo::getUnindexedOpcode(unsigned Opc) const {
return 0;
}
-bool Thumb1InstrInfo::copyRegToReg(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator I,
- unsigned DestReg, unsigned SrcReg,
- const TargetRegisterClass *DestRC,
- const TargetRegisterClass *SrcRC,
- DebugLoc DL) const {
- if (DestRC == ARM::GPRRegisterClass || DestRC == ARM::tcGPRRegisterClass) {
- if (SrcRC == ARM::GPRRegisterClass || SrcRC == ARM::tcGPRRegisterClass) {
- BuildMI(MBB, I, DL, get(ARM::tMOVgpr2gpr), DestReg).addReg(SrcReg);
- return true;
- } else if (SrcRC == ARM::tGPRRegisterClass) {
- BuildMI(MBB, I, DL, get(ARM::tMOVtgpr2gpr), DestReg).addReg(SrcReg);
- return true;
- }
- } else if (DestRC == ARM::tGPRRegisterClass) {
- if (SrcRC == ARM::GPRRegisterClass || SrcRC == ARM::tcGPRRegisterClass) {
- BuildMI(MBB, I, DL, get(ARM::tMOVgpr2tgpr), DestReg).addReg(SrcReg);
- return true;
- } else if (SrcRC == ARM::tGPRRegisterClass) {
- BuildMI(MBB, I, DL, get(ARM::tMOVr), DestReg).addReg(SrcReg);
- return true;
- }
- }
+void Thumb1InstrInfo::copyPhysReg(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator I, DebugLoc DL,
+ unsigned DestReg, unsigned SrcReg,
+ bool KillSrc) const {
+ bool tDest = ARM::tGPRRegClass.contains(DestReg);
+ bool tSrc = ARM::tGPRRegClass.contains(SrcReg);
+ unsigned Opc = ARM::tMOVgpr2gpr;
+ if (tDest && tSrc)
+ Opc = ARM::tMOVr;
+ else if (tSrc)
+ Opc = ARM::tMOVtgpr2gpr;
+ else if (tDest)
+ Opc = ARM::tMOVgpr2tgpr;
- return false;
+ BuildMI(MBB, I, DL, get(Opc), DestReg)
+ .addReg(SrcReg, getKillRegState(KillSrc));
+ assert(ARM::GPRRegClass.contains(DestReg, SrcReg) &&
+ "Thumb1 can only copy GPR registers");
}
bool Thumb1InstrInfo::
diff --git a/lib/Target/ARM/Thumb1InstrInfo.h b/lib/Target/ARM/Thumb1InstrInfo.h
index c937296bbe..ddd1a2e26c 100644
--- a/lib/Target/ARM/Thumb1InstrInfo.h
+++ b/lib/Target/ARM/Thumb1InstrInfo.h
@@ -46,12 +46,10 @@ public:
const std::vector<CalleeSavedInfo> &CSI,
const TargetRegisterInfo *TRI) const;
- bool copyRegToReg(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator I,
- unsigned DestReg, unsigned SrcReg,
- const TargetRegisterClass *DestRC,
- const TargetRegisterClass *SrcRC,
- DebugLoc DL) const;
+ void copyPhysReg(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator I, DebugLoc DL,
+ unsigned DestReg, unsigned SrcReg,
+ bool KillSrc) const;
void storeRegToStackSlot(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MBBI,
unsigned SrcReg, bool isKill, int FrameIndex,
diff --git a/lib/Target/ARM/Thumb2InstrInfo.cpp b/lib/Target/ARM/Thumb2InstrInfo.cpp
index 7e2814f7cd..ee517279c9 100644
--- a/lib/Target/ARM/Thumb2InstrInfo.cpp
+++ b/lib/Target/ARM/Thumb2InstrInfo.cpp
@@ -120,34 +120,26 @@ isProfitableToIfCvt(MachineBasicBlock &TMBB, unsigned NumT,
NumT <= (IfCvtDiamondLimit) && NumF <= (IfCvtDiamondLimit);
}
-bool
-Thumb2InstrInfo::copyRegToReg(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator I,
- unsigned DestReg, unsigned SrcReg,
- const TargetRegisterClass *DestRC,
- const TargetRegisterClass *SrcRC,
- DebugLoc DL) const {
- if (DestRC == ARM::GPRRegisterClass || DestRC == ARM::tcGPRRegisterClass) {
- if (SrcRC == ARM::GPRRegisterClass || SrcRC == ARM::tcGPRRegisterClass) {
- BuildMI(MBB, I, DL, get(ARM::tMOVgpr2gpr), DestReg).addReg(SrcReg);
- return true;
- } else if (SrcRC == ARM::tGPRRegisterClass) {
- BuildMI(MBB, I, DL, get(ARM::tMOVtgpr2gpr), DestReg).addReg(SrcReg);
- return true;
- }
- } else if (DestRC == ARM::tGPRRegisterClass) {
- if (SrcRC == ARM::GPRRegisterClass || SrcRC == ARM::tcGPRRegisterClass) {
- BuildMI(MBB, I, DL, get(ARM::tMOVgpr2tgpr), DestReg).addReg(SrcReg);
- return true;
- } else if (SrcRC == ARM::tGPRRegisterClass) {
- BuildMI(MBB, I, DL, get(ARM::tMOVr), DestReg).addReg(SrcReg);
- return true;
- }
- }
-
+void Thumb2InstrInfo::copyPhysReg(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator I, DebugLoc DL,
+ unsigned DestReg, unsigned SrcReg,
+ bool KillSrc) const {
// Handle SPR, DPR, and QPR copies.
- return ARMBaseInstrInfo::copyRegToReg(MBB, I, DestReg, SrcReg, DestRC,
- SrcRC, DL);
+ if (!ARM::GPRRegClass.contains(DestReg, SrcReg))
+ return ARMBaseInstrInfo::copyPhysReg(MBB, I, DL, DestReg, SrcReg, KillSrc);
+
+ bool tDest = ARM::tGPRRegClass.contains(DestReg);
+ bool tSrc = ARM::tGPRRegClass.contains(SrcReg);
+ unsigned Opc = ARM::tMOVgpr2gpr;
+ if (tDest && tSrc)
+ Opc = ARM::tMOVr;
+ else if (tSrc)
+ Opc = ARM::tMOVtgpr2gpr;
+ else if (tDest)
+ Opc = ARM::tMOVgpr2tgpr;
+
+ BuildMI(MBB, I, DL, get(Opc), DestReg)
+ .addReg(SrcReg, getKillRegState(KillSrc));
}
void Thumb2InstrInfo::
diff --git a/lib/Target/ARM/Thumb2InstrInfo.h b/lib/Target/ARM/Thumb2InstrInfo.h
index 13b801a3ef..3a9f8b194d 100644
--- a/lib/Target/ARM/Thumb2InstrInfo.h
+++ b/lib/Target/ARM/Thumb2InstrInfo.h
@@ -43,12 +43,10 @@ public:
bool isProfitableToIfCvt(MachineBasicBlock &TMBB, unsigned NumTInstrs,
MachineBasicBlock &FMBB, unsigned NumFInstrs) const;
- bool copyRegToReg(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator I,
- unsigned DestReg, unsigned SrcReg,
- const TargetRegisterClass *DestRC,
- const TargetRegisterClass *SrcRC,
- DebugLoc DL) const;
+ void copyPhysReg(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator I, DebugLoc DL,
+ unsigned DestReg, unsigned SrcReg,
+ bool KillSrc) const;
void storeRegToStackSlot(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MBBI,
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-20 01:02:58 +0000