add FCPYS and FCPYD

llvm-svn: 30995

2 files changed, 16 insertions, 3 deletions

diff --git a/llvm/lib/Target/ARM/ARMInstrInfo.td b/llvm/lib/Target/ARM/ARMInstrInfo.td
index 099b499c52a..e427050440a 100644
--- a/llvm/lib/Target/ARM/ARMInstrInfo.td
+++ b/llvm/lib/Target/ARM/ARMInstrInfo.td
@@ -212,6 +212,11 @@ def fcmpd   : InstARM<(ops DFPRegs:$a, DFPRegs:$b),
 	               "fcmpd $a, $b",
 		       [(armcmp DFPRegs:$a, DFPRegs:$b)]>;
 
+// Floating Point Copy
+def FCPYS   : InstARM<(ops FPRegs:$dst, FPRegs:$src), "fcpys $dst, $src", []>;
+
+def FCPYD   : InstARM<(ops DFPRegs:$dst, DFPRegs:$src), "fcpyd $dst, $src", []>;
+
 // Floating Point Conversion
 // We use bitconvert for moving the data between the register classes.
 // The format conversion is done with ARM specific nodes
diff --git a/llvm/lib/Target/ARM/ARMRegisterInfo.cpp b/llvm/lib/Target/ARM/ARMRegisterInfo.cpp
index fd04f5aecf2..703952367f7 100644
--- a/llvm/lib/Target/ARM/ARMRegisterInfo.cpp
+++ b/llvm/lib/Target/ARM/ARMRegisterInfo.cpp
@@ -47,9 +47,17 @@ void ARMRegisterInfo::copyRegToReg(MachineBasicBlock &MBB,
                                      MachineBasicBlock::iterator I,
                                      unsigned DestReg, unsigned SrcReg,
                                      const TargetRegisterClass *RC) const {
-  assert (RC == ARM::IntRegsRegisterClass);
-  BuildMI(MBB, I, ARM::MOV, 3, DestReg).addReg(SrcReg).addImm(0)
-	  .addImm(ARMShift::LSL);
+  assert(RC == ARM::IntRegsRegisterClass ||
+         RC == ARM::FPRegsRegisterClass  ||
+         RC == ARM::DFPRegsRegisterClass);
+
+  if (RC == ARM::IntRegsRegisterClass)
+    BuildMI(MBB, I, ARM::MOV, 3, DestReg).addReg(SrcReg).addImm(0)
+      .addImm(ARMShift::LSL);
+  else if (RC == ARM::FPRegsRegisterClass)
+    BuildMI(MBB, I, ARM::FCPYS, 1, DestReg).addReg(SrcReg);
+  else
+    BuildMI(MBB, I, ARM::FCPYD, 1, DestReg).addReg(SrcReg);
 }
 
 MachineInstr *ARMRegisterInfo::foldMemoryOperand(MachineInstr* MI,