Fix decoding of ARM-mode STRH.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137499 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/ARM/ARMInstrFormats.td b/lib/Target/ARM/ARMInstrFormats.td
index eb613cd..f666f4e 100644 (file)
--- a/lib/Target/ARM/ARMInstrFormats.td
+++ b/lib/Target/ARM/ARMInstrFormats.td
@@ -664,6 +664,7 @@ class AI3str<bits<4> op, dag oops, dag iops, Format f, InstrItinClass itin,
   let Inst{11-8}  = addr{7-4};    // imm7_4/zero
   let Inst{7-4}   = op;
   let Inst{3-0}   = addr{3-0};    // imm3_0/Rm
+  let DecoderMethod = "DecodeAddrMode3Instruction";
 }
 
 // Pre-indexed stores

diff --git a/lib/Target/ARM/ARMInstrInfo.td b/lib/Target/ARM/ARMInstrInfo.td
index 44acbdc..8641d0b 100644 (file)
--- a/lib/Target/ARM/ARMInstrInfo.td
+++ b/lib/Target/ARM/ARMInstrInfo.td
@@ -2365,6 +2365,7 @@ def STRH_PRE  : AI3ldstidx<0b1011, 0, 1, (outs GPR:$Rn_wb),
   let Inst{11-8}  = addr{7-4};    // imm7_4/zero
   let Inst{3-0}   = addr{3-0};    // imm3_0/Rm
   let AsmMatchConverter = "cvtStWriteBackRegAddrMode3";
+  let DecoderMethod = "DecodeAddrMode3Instruction";
 }
 
 def STRH_POST : AI3ldstidx<0b1011, 0, 0, (outs GPR:$Rn_wb),
@@ -2381,6 +2382,7 @@ def STRH_POST : AI3ldstidx<0b1011, 0, 0, (outs GPR:$Rn_wb),
   let Inst{19-16} = addr;
   let Inst{11-8}  = offset{7-4};    // imm7_4/zero
   let Inst{3-0}   = offset{3-0};    // imm3_0/Rm
+  let DecoderMethod = "DecodeAddrMode3Instruction";
 }
 
 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in {

diff --git a/lib/Target/ARM/Disassembler/ARMDisassembler.cpp b/lib/Target/ARM/Disassembler/ARMDisassembler.cpp
index 7de0c23..b3db849 100644 (file)
--- a/lib/Target/ARM/Disassembler/ARMDisassembler.cpp
+++ b/lib/Target/ARM/Disassembler/ARMDisassembler.cpp
@@ -1090,6 +1090,9 @@ static bool DecodeAddrMode3Instruction(llvm::MCInst &Inst, unsigned Insn,
     case ARM::STRD:
     case ARM::STRD_PRE:
     case ARM::STRD_POST:
+    case ARM::STRH:
+    case ARM::STRH_PRE:
+    case ARM::STRH_POST:
       if (!DecodeGPRRegisterClass(Inst, Rn, Address, Decoder))
         return false;
       break;