diff options
Diffstat (limited to 'lib/Target/Mips/MipsSEInstrInfo.cpp')
-rw-r--r-- | lib/Target/Mips/MipsSEInstrInfo.cpp | 31 |
1 files changed, 23 insertions, 8 deletions
diff --git a/lib/Target/Mips/MipsSEInstrInfo.cpp b/lib/Target/Mips/MipsSEInstrInfo.cpp index 86431a2..a81db7f 100644 --- a/lib/Target/Mips/MipsSEInstrInfo.cpp +++ b/lib/Target/Mips/MipsSEInstrInfo.cpp @@ -263,10 +263,16 @@ bool MipsSEInstrInfo::expandPostRAPseudo(MachineBasicBlock::iterator MI) const { expandCvtFPInt(MBB, MI, Mips::CVT_D64_L, Mips::DMTC1, true); break; case Mips::BuildPairF64: - expandBuildPairF64(MBB, MI); + expandBuildPairF64(MBB, MI, false); + break; + case Mips::BuildPairF64_64: + expandBuildPairF64(MBB, MI, true); break; case Mips::ExtractElementF64: - expandExtractElementF64(MBB, MI); + expandExtractElementF64(MBB, MI, false); + break; + case Mips::ExtractElementF64_64: + expandExtractElementF64(MBB, MI, true); break; case Mips::PseudoLDC1: expandDPLoadStore(MBB, MI, Mips::LDC1, Mips::LWC1); @@ -419,22 +425,26 @@ void MipsSEInstrInfo::expandCvtFPInt(MachineBasicBlock &MBB, } void MipsSEInstrInfo::expandExtractElementF64(MachineBasicBlock &MBB, - MachineBasicBlock::iterator I) const { + MachineBasicBlock::iterator I, + bool FP64) const { unsigned DstReg = I->getOperand(0).getReg(); unsigned SrcReg = I->getOperand(1).getReg(); unsigned N = I->getOperand(2).getImm(); - const MCInstrDesc& Mfc1Tdd = get(Mips::MFC1); DebugLoc dl = I->getDebugLoc(); assert(N < 2 && "Invalid immediate"); unsigned SubIdx = N ? Mips::sub_hi : Mips::sub_lo; unsigned SubReg = getRegisterInfo().getSubReg(SrcReg, SubIdx); - BuildMI(MBB, I, dl, Mfc1Tdd, DstReg).addReg(SubReg); + if (SubIdx == Mips::sub_hi && FP64) + BuildMI(MBB, I, dl, get(Mips::MFHC1), DstReg).addReg(SubReg); + else + BuildMI(MBB, I, dl, get(Mips::MFC1), DstReg).addReg(SubReg); } void MipsSEInstrInfo::expandBuildPairF64(MachineBasicBlock &MBB, - MachineBasicBlock::iterator I) const { + MachineBasicBlock::iterator I, + bool FP64) const { unsigned DstReg = I->getOperand(0).getReg(); unsigned LoReg = I->getOperand(1).getReg(), HiReg = I->getOperand(2).getReg(); const MCInstrDesc& Mtc1Tdd = get(Mips::MTC1); @@ -445,8 +455,13 @@ void MipsSEInstrInfo::expandBuildPairF64(MachineBasicBlock &MBB, // mtc1 Hi, $fp + 1 BuildMI(MBB, I, dl, Mtc1Tdd, TRI.getSubReg(DstReg, Mips::sub_lo)) .addReg(LoReg); - BuildMI(MBB, I, dl, Mtc1Tdd, TRI.getSubReg(DstReg, Mips::sub_hi)) - .addReg(HiReg); + + if (FP64) + BuildMI(MBB, I, dl, get(Mips::MTHC1), TRI.getSubReg(DstReg, Mips::sub_hi)) + .addReg(HiReg); + else + BuildMI(MBB, I, dl, Mtc1Tdd, TRI.getSubReg(DstReg, Mips::sub_hi)) + .addReg(HiReg); } /// Add 4 to the displacement of operand MO. |