From 9efce638d307b2c71bd7f0258d47501661434c27 Mon Sep 17 00:00:00 2001 From: Evan Cheng Date: Wed, 26 Sep 2007 06:25:56 +0000 Subject: Allow copyRegToReg to emit cross register classes copies. Tested with "make check"! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42346 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Target/PowerPC/PPCRegisterInfo.cpp | 20 +++++++++++++------- 1 file changed, 13 insertions(+), 7 deletions(-) (limited to 'lib/Target/PowerPC/PPCRegisterInfo.cpp') diff --git a/lib/Target/PowerPC/PPCRegisterInfo.cpp b/lib/Target/PowerPC/PPCRegisterInfo.cpp index 2f1990e017..158111b284 100644 --- a/lib/Target/PowerPC/PPCRegisterInfo.cpp +++ b/lib/Target/PowerPC/PPCRegisterInfo.cpp @@ -226,18 +226,24 @@ PPCRegisterInfo::loadRegFromStackSlot(MachineBasicBlock &MBB, void PPCRegisterInfo::copyRegToReg(MachineBasicBlock &MBB, MachineBasicBlock::iterator MI, unsigned DestReg, unsigned SrcReg, - const TargetRegisterClass *RC) const { - if (RC == PPC::GPRCRegisterClass) { + const TargetRegisterClass *DestRC, + const TargetRegisterClass *SrcRC) const { + if (DestRC != SrcRC) { + cerr << "Not yet supported!"; + abort(); + } + + if (DestRC == PPC::GPRCRegisterClass) { BuildMI(MBB, MI, TII.get(PPC::OR), DestReg).addReg(SrcReg).addReg(SrcReg); - } else if (RC == PPC::G8RCRegisterClass) { + } else if (DestRC == PPC::G8RCRegisterClass) { BuildMI(MBB, MI, TII.get(PPC::OR8), DestReg).addReg(SrcReg).addReg(SrcReg); - } else if (RC == PPC::F4RCRegisterClass) { + } else if (DestRC == PPC::F4RCRegisterClass) { BuildMI(MBB, MI, TII.get(PPC::FMRS), DestReg).addReg(SrcReg); - } else if (RC == PPC::F8RCRegisterClass) { + } else if (DestRC == PPC::F8RCRegisterClass) { BuildMI(MBB, MI, TII.get(PPC::FMRD), DestReg).addReg(SrcReg); - } else if (RC == PPC::CRRCRegisterClass) { + } else if (DestRC == PPC::CRRCRegisterClass) { BuildMI(MBB, MI, TII.get(PPC::MCRF), DestReg).addReg(SrcReg); - } else if (RC == PPC::VRRCRegisterClass) { + } else if (DestRC == PPC::VRRCRegisterClass) { BuildMI(MBB, MI, TII.get(PPC::VOR), DestReg).addReg(SrcReg).addReg(SrcReg); } else { cerr << "Attempt to copy register that is not GPR or FPR"; -- cgit v1.2.3-70-g09d2