diff options
Diffstat (limited to 'llvm/lib/Target/X86/X86InstrInfo.cpp')
| -rw-r--r-- | llvm/lib/Target/X86/X86InstrInfo.cpp | 30 |
1 files changed, 25 insertions, 5 deletions
diff --git a/llvm/lib/Target/X86/X86InstrInfo.cpp b/llvm/lib/Target/X86/X86InstrInfo.cpp index b40004f7c0e..3035ddc9001 100644 --- a/llvm/lib/Target/X86/X86InstrInfo.cpp +++ b/llvm/lib/Target/X86/X86InstrInfo.cpp @@ -4704,11 +4704,31 @@ void X86InstrInfo::copyPhysReg(MachineBasicBlock &MBB, } else if (X86::VR64RegClass.contains(DestReg, SrcReg)) Opc = X86::MMX_MOVQ64rr; - else if (X86::VR128XRegClass.contains(DestReg, SrcReg)) - Opc = HasVLX ? X86::VMOVAPSZ128rr : HasAVX ? X86::VMOVAPSrr : X86::MOVAPSrr; - else if (X86::VR256XRegClass.contains(DestReg, SrcReg)) - Opc = HasVLX ? X86::VMOVAPSZ256rr : X86::VMOVAPSYrr; - else if (X86::VR512RegClass.contains(DestReg, SrcReg)) + else if (X86::VR128XRegClass.contains(DestReg, SrcReg)) { + if (HasVLX) + Opc = X86::VMOVAPSZ128rr; + else if (X86::VR128RegClass.contains(DestReg, SrcReg)) + Opc = HasAVX ? X86::VMOVAPSrr : X86::MOVAPSrr; + else { + // If this an extended register and we don't have VLX we need to use a + // 512-bit move. + Opc = X86::VMOVAPSZrr; + DestReg = get512BitSuperRegister(DestReg); + SrcReg = get512BitSuperRegister(SrcReg); + } + } else if (X86::VR256XRegClass.contains(DestReg, SrcReg)) { + if (HasVLX) + Opc = X86::VMOVAPSZ256rr; + else if (X86::VR256RegClass.contains(DestReg, SrcReg)) + Opc = X86::VMOVAPSYrr; + else { + // If this an extended register and we don't have VLX we need to use a + // 512-bit move. + Opc = X86::VMOVAPSZrr; + DestReg = get512BitSuperRegister(DestReg); + SrcReg = get512BitSuperRegister(SrcReg); + } + } else if (X86::VR512RegClass.contains(DestReg, SrcReg)) Opc = X86::VMOVAPSZrr; // All KMASK RegClasses hold the same k registers, can be tested against anyone. else if (X86::VK16RegClass.contains(DestReg, SrcReg)) |
