1 files changed, 11 insertions, 6 deletions
diff --git a/lib/Target/R600/MCTargetDesc/R600MCCodeEmitter.cpp b/lib/Target/R600/MCTargetDesc/R600MCCodeEmitter.cpp
index 271a974734..cb4cf0ce38 100644
--- a/lib/Target/R600/MCTargetDesc/R600MCCodeEmitter.cpp
+++ b/lib/Target/R600/MCTargetDesc/R600MCCodeEmitter.cpp
@@ -36,13 +36,12 @@ class R600MCCodeEmitter : public AMDGPUMCCodeEmitter {
   const MCInstrInfo &MCII;
   const MCRegisterInfo &MRI;
   const MCSubtargetInfo &STI;
-  MCContext &Ctx;
 
 public:
 
   R600MCCodeEmitter(const MCInstrInfo &mcii, const MCRegisterInfo &mri,
-                    const MCSubtargetInfo &sti, MCContext &ctx)
-    : MCII(mcii), MRI(mri), STI(sti), Ctx(ctx) { }
+                    const MCSubtargetInfo &sti)
+    : MCII(mcii), MRI(mri), STI(sti) { }
 
   /// \brief Encode the instruction and write it to the OS.
   virtual void EncodeInstruction(const MCInst &MI, raw_ostream &OS,
@@ -99,9 +98,8 @@ enum TextureTypes {
 
 MCCodeEmitter *llvm::createR600MCCodeEmitter(const MCInstrInfo &MCII,
                                            const MCRegisterInfo &MRI,
-                                           const MCSubtargetInfo &STI,
-                                           MCContext &Ctx) {
-  return new R600MCCodeEmitter(MCII, MRI, STI, Ctx);
+                                           const MCSubtargetInfo &STI) {
+  return new R600MCCodeEmitter(MCII, MRI, STI);
 }
 
 void R600MCCodeEmitter::EncodeInstruction(const MCInst &MI, raw_ostream &OS,
@@ -181,6 +179,13 @@ void R600MCCodeEmitter::EncodeInstruction(const MCInst &MI, raw_ostream &OS,
     Emit((u_int32_t) 0, OS);
   } else {
     uint64_t Inst = getBinaryCodeForInstr(MI, Fixups);
+    if ((STI.getFeatureBits() & AMDGPU::FeatureR600ALUInst) &&
+       ((Desc.TSFlags & R600_InstFlag::OP1) ||
+         Desc.TSFlags & R600_InstFlag::OP2)) {
+      uint64_t ISAOpCode = Inst & (0x3FFULL << 39);
+      Inst &= ~(0x3FFULL << 39);
+      Inst |= ISAOpCode << 1;
+    }
     Emit(Inst, OS);
   }
 }