Add support for ARM's Advanced SIMD (NEON) instruction set.

This is still a work in progress but most of the NEON instruction set
is supported.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73919 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 8 insertions, 0 deletions

diff --git a/lib/Target/ARM/ARMInstrInfo.cpp b/lib/Target/ARM/ARMInstrInfo.cpp
index d19fb8eea8..e8da927624 100644
--- a/lib/Target/ARM/ARMInstrInfo.cpp
+++ b/lib/Target/ARM/ARMInstrInfo.cpp
@@ -59,6 +59,8 @@ bool ARMInstrInfo::isMoveInstr(const MachineInstr &MI,
     return false;
   case ARM::FCPYS:
   case ARM::FCPYD:
+  case ARM::VMOVD:
+  case ARM::VMOVQ:
     SrcReg = MI.getOperand(1).getReg();
     DstReg = MI.getOperand(0).getReg();
     return true;
@@ -528,6 +530,8 @@ bool ARMInstrInfo::copyRegToReg(MachineBasicBlock &MBB,
   else if (DestRC == ARM::DPRRegisterClass)
     AddDefaultPred(BuildMI(MBB, I, DL, get(ARM::FCPYD), DestReg)
                    .addReg(SrcReg));
+  else if (DestRC == ARM::QPRRegisterClass)
+    BuildMI(MBB, I, DL, get(ARM::VMOVQ), DestReg).addReg(SrcReg);
   else
     return false;
   
@@ -844,6 +848,10 @@ canFoldMemoryOperand(const MachineInstr *MI,
   case ARM::FCPYS:
   case ARM::FCPYD:
     return true;
+
+  case ARM::VMOVD:
+  case ARM::VMOVQ:
+    return false; // FIXME
   }
 
   return false;