diff options
Diffstat (limited to 'llvm/lib/Target/AArch64/AArch64InstrInfo.cpp')
| -rw-r--r-- | llvm/lib/Target/AArch64/AArch64InstrInfo.cpp | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/llvm/lib/Target/AArch64/AArch64InstrInfo.cpp b/llvm/lib/Target/AArch64/AArch64InstrInfo.cpp index 5139ae5ccaf1..08f80c9aa361 100644 --- a/llvm/lib/Target/AArch64/AArch64InstrInfo.cpp +++ b/llvm/lib/Target/AArch64/AArch64InstrInfo.cpp @@ -2744,6 +2744,35 @@ void AArch64InstrInfo::copyPhysReg(MachineBasicBlock &MBB, return; } + // Copy a Z register pair by copying the individual sub-registers. + if (AArch64::ZPR2RegClass.contains(DestReg) && + AArch64::ZPR2RegClass.contains(SrcReg)) { + static const unsigned Indices[] = {AArch64::zsub0, AArch64::zsub1}; + copyPhysRegTuple(MBB, I, DL, DestReg, SrcReg, KillSrc, AArch64::ORR_ZZZ, + Indices); + return; + } + + // Copy a Z register triple by copying the individual sub-registers. + if (AArch64::ZPR3RegClass.contains(DestReg) && + AArch64::ZPR3RegClass.contains(SrcReg)) { + static const unsigned Indices[] = {AArch64::zsub0, AArch64::zsub1, + AArch64::zsub2}; + copyPhysRegTuple(MBB, I, DL, DestReg, SrcReg, KillSrc, AArch64::ORR_ZZZ, + Indices); + return; + } + + // Copy a Z register quad by copying the individual sub-registers. + if (AArch64::ZPR4RegClass.contains(DestReg) && + AArch64::ZPR4RegClass.contains(SrcReg)) { + static const unsigned Indices[] = {AArch64::zsub0, AArch64::zsub1, + AArch64::zsub2, AArch64::zsub3}; + copyPhysRegTuple(MBB, I, DL, DestReg, SrcReg, KillSrc, AArch64::ORR_ZZZ, + Indices); + return; + } + if (AArch64::GPR64spRegClass.contains(DestReg) && (AArch64::GPR64spRegClass.contains(SrcReg) || SrcReg == AArch64::XZR)) { if (DestReg == AArch64::SP || SrcReg == AArch64::SP) { |