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| author | Anton Korobeynikov <asl@math.spbu.ru> | 2012-08-04 13:16:12 +0000 |
|---|---|---|
| committer | Anton Korobeynikov <asl@math.spbu.ru> | 2012-08-04 13:16:12 +0000 |
| commit | b58d7d03125526c152ade0c75be302b3c9eab997 (patch) | |
| tree | 920e0e6db567ec1904966ee83769f478338deed6 /lib/Target/ARM/ARMBaseInstrInfo.cpp | |
| parent | 087642f8638b08bf236b2cf8f0feb4df34c568f4 (diff) | |
| download | llvm-b58d7d03125526c152ade0c75be302b3c9eab997.tar.gz llvm-b58d7d03125526c152ade0c75be302b3c9eab997.tar.bz2 llvm-b58d7d03125526c152ade0c75be302b3c9eab997.tar.xz | |
Add stack spill / reload instructions for DTriple and DQuad register classes, which
were missed for no reason. This fixes PR13377
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161299 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/ARM/ARMBaseInstrInfo.cpp')
| -rw-r--r-- | lib/Target/ARM/ARMBaseInstrInfo.cpp | 46 |
1 files changed, 43 insertions, 3 deletions
diff --git a/lib/Target/ARM/ARMBaseInstrInfo.cpp b/lib/Target/ARM/ARMBaseInstrInfo.cpp index 714238a955..134aca8c0c 100644 --- a/lib/Target/ARM/ARMBaseInstrInfo.cpp +++ b/lib/Target/ARM/ARMBaseInstrInfo.cpp @@ -795,8 +795,28 @@ storeRegToStackSlot(MachineBasicBlock &MBB, MachineBasicBlock::iterator I, } else llvm_unreachable("Unknown reg class!"); break; + case 24: + if (ARM::DTripleRegClass.hasSubClassEq(RC)) { + // Use aligned spills if the stack can be realigned. + if (Align >= 16 && getRegisterInfo().canRealignStack(MF)) { + AddDefaultPred(BuildMI(MBB, I, DL, get(ARM::VST1d64TPseudo)) + .addFrameIndex(FI).addImm(16) + .addReg(SrcReg, getKillRegState(isKill)) + .addMemOperand(MMO)); + } else { + MachineInstrBuilder MIB = + AddDefaultPred(BuildMI(MBB, I, DL, get(ARM::VSTMDIA)) + .addFrameIndex(FI)) + .addMemOperand(MMO); + MIB = AddDReg(MIB, SrcReg, ARM::dsub_0, getKillRegState(isKill), TRI); + MIB = AddDReg(MIB, SrcReg, ARM::dsub_1, 0, TRI); + AddDReg(MIB, SrcReg, ARM::dsub_2, 0, TRI); + } + } else + llvm_unreachable("Unknown reg class!"); + break; case 32: - if (ARM::QQPRRegClass.hasSubClassEq(RC)) { + if (ARM::QQPRRegClass.hasSubClassEq(RC) || ARM::DQuadRegClass.hasSubClassEq(RC)) { if (Align >= 16 && getRegisterInfo().canRealignStack(MF)) { // FIXME: It's possible to only store part of the QQ register if the // spilled def has a sub-register index. @@ -942,8 +962,28 @@ loadRegFromStackSlot(MachineBasicBlock &MBB, MachineBasicBlock::iterator I, } else llvm_unreachable("Unknown reg class!"); break; - case 32: - if (ARM::QQPRRegClass.hasSubClassEq(RC)) { + case 24: + if (ARM::DTripleRegClass.hasSubClassEq(RC)) { + if (Align >= 16 && getRegisterInfo().canRealignStack(MF)) { + AddDefaultPred(BuildMI(MBB, I, DL, get(ARM::VLD1d64TPseudo), DestReg) + .addFrameIndex(FI).addImm(16) + .addMemOperand(MMO)); + } else { + MachineInstrBuilder MIB = + AddDefaultPred(BuildMI(MBB, I, DL, get(ARM::VLDMDIA)) + .addFrameIndex(FI) + .addMemOperand(MMO)); + MIB = AddDReg(MIB, DestReg, ARM::dsub_0, RegState::DefineNoRead, TRI); + MIB = AddDReg(MIB, DestReg, ARM::dsub_1, RegState::DefineNoRead, TRI); + MIB = AddDReg(MIB, DestReg, ARM::dsub_2, RegState::DefineNoRead, TRI); + if (TargetRegisterInfo::isPhysicalRegister(DestReg)) + MIB.addReg(DestReg, RegState::ImplicitDefine); + } + } else + llvm_unreachable("Unknown reg class!"); + break; + case 32: + if (ARM::QQPRRegClass.hasSubClassEq(RC) || ARM::DQuadRegClass.hasSubClassEq(RC)) { if (Align >= 16 && getRegisterInfo().canRealignStack(MF)) { AddDefaultPred(BuildMI(MBB, I, DL, get(ARM::VLD1d64QPseudo), DestReg) .addFrameIndex(FI).addImm(16) |