1 files changed, 7 insertions, 2 deletions
diff --git a/lib/Target/Mips/MipsSEInstrInfo.cpp b/lib/Target/Mips/MipsSEInstrInfo.cpp
index 2f793348c6..02931a3e39 100644
--- a/lib/Target/Mips/MipsSEInstrInfo.cpp
+++ b/lib/Target/Mips/MipsSEInstrInfo.cpp
@@ -520,8 +520,13 @@ void MipsSEInstrInfo::expandBuildPairF64(MachineBasicBlock &MBB,
   DebugLoc dl = I->getDebugLoc();
   const TargetRegisterInfo &TRI = getRegisterInfo();
 
-  // mtc1 Lo, $fp
-  // mtc1 Hi, $fp + 1
+  // For FP32 mode:
+  //   mtc1 Lo, $fp
+  //   mtc1 Hi, $fp + 1
+  // For FP64 mode:
+  //   mtc1 Lo, $fp
+  //   mthc1 Hi, $fp
+
   BuildMI(MBB, I, dl, Mtc1Tdd, TRI.getSubReg(DstReg, Mips::sub_lo))
     .addReg(LoReg);