Added the missing bit definition for the 4th bit of the STR (post reg) instruction. It is now set to 0. The patch also sets the unpredictable mask for SEL and SXTB-type instructions.

llvm-svn: 156609

2 files changed, 5 insertions, 0 deletions

diff --git a/llvm/lib/Target/ARM/ARMInstrFormats.td b/llvm/lib/Target/ARM/ARMInstrFormats.td
index 3af0d3fc327..c8966fb97a4 100644
--- a/llvm/lib/Target/ARM/ARMInstrFormats.td
+++ b/llvm/lib/Target/ARM/ARMInstrFormats.td
@@ -827,6 +827,8 @@ class AExtI<bits<8> opcod, dag oops, dag iops, InstrItinClass itin,
   let Inst{7-4}   = 0b0111;
   let Inst{9-8}   = 0b00;
   let Inst{27-20} = opcod;
+
+  let Unpredictable{9-8} = 0b11;
 }
 
 // Misc Arithmetic instructions.
diff --git a/llvm/lib/Target/ARM/ARMInstrInfo.td b/llvm/lib/Target/ARM/ARMInstrInfo.td
index 633b53fefc9..e89c2312fe6 100644
--- a/llvm/lib/Target/ARM/ARMInstrInfo.td
+++ b/llvm/lib/Target/ARM/ARMInstrInfo.td
@@ -1614,6 +1614,8 @@ def SEL : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm, NoItinerary, "sel",
   let Inst{27-20} = 0b01101000;
   let Inst{7-4} = 0b1011;
   let Inst{11-8} = 0b1111;
+  
+  let Unpredictable{11-8} = 0b1111;
 }
 
 def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
@@ -2429,6 +2431,7 @@ multiclass AI2_stridx<bit isByte, string opc,
      let Inst{23} = offset{12};
      let Inst{19-16} = addr;
      let Inst{11-0} = offset{11-0};
+     let Inst{4} = 0;
 
     let DecoderMethod = "DecodeAddrMode2IdxInstruction";
    }