Add encoding bits "let Inst{11-4} = 0b00000000;" to BR_JTr to disambiguate
between BR_JTr and STREXD.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91339 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMInstrInfo.td b/lib/Target/ARM/ARMInstrInfo.td
index 4527a90..e14696a 100644
--- a/lib/Target/ARM/ARMInstrInfo.td
+++ b/lib/Target/ARM/ARMInstrInfo.td
@@ -786,6 +786,7 @@
   def BR_JTr : JTI<(outs), (ins GPR:$target, jtblock_operand:$jt, i32imm:$id),
                     IIC_Br, "mov\tpc, $target \n$jt",
                     [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]> {
+    let Inst{11-4}  = 0b00000000;
     let Inst{15-12} = 0b1111;
     let Inst{20}    = 0; // S Bit
     let Inst{24-21} = 0b1101;