[X86] Fix copy pasto in X86FastISel::fastEmitInst_rrrr.

The 4th operand was not being constrained and the third operand was being constrained twice.

llvm-svn: 314648

diff --git a/llvm/lib/Target/X86/X86FastISel.cpp b/llvm/lib/Target/X86/X86FastISel.cpp
index 85aa944..c3784fc 100644 (file)
--- a/llvm/lib/Target/X86/X86FastISel.cpp
+++ b/llvm/lib/Target/X86/X86FastISel.cpp
@@ -3970,7 +3970,7 @@ unsigned X86FastISel::fastEmitInst_rrrr(unsigned MachineInstOpcode,
   Op0 = constrainOperandRegClass(II, Op0, II.getNumDefs());
   Op1 = constrainOperandRegClass(II, Op1, II.getNumDefs() + 1);
   Op2 = constrainOperandRegClass(II, Op2, II.getNumDefs() + 2);
-  Op2 = constrainOperandRegClass(II, Op2, II.getNumDefs() + 3);
+  Op3 = constrainOperandRegClass(II, Op3, II.getNumDefs() + 3);
 
   if (II.getNumDefs() >= 1)
     BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DbgLoc, II, ResultReg)