Add {lda,stl}x?r{,b,h} instructions to ARM64 assembler/disassembler

src/arm64/decoder-arm64-inl.h

Index: src/arm64/decoder-arm64-inl.h
diff --git a/src/arm64/decoder-arm64-inl.h b/src/arm64/decoder-arm64-inl.h
index e00105e7bc1b49165c3a5853520e86bd943255fd..34bbd15d7802f9583d4451fd9561713b468467a7 100644
--- a/src/arm64/decoder-arm64-inl.h
+++ b/src/arm64/decoder-arm64-inl.h
@@ -217,8 +217,11 @@ void Decoder<V>::DecodeLoadStore(Instruction* instr) {
     if (instr->Bit(28) == 0) {
       if (instr->Bit(29) == 0) {
         if (instr->Bit(26) == 0) {
-          // TODO(all): VisitLoadStoreExclusive.
-          V::VisitUnimplemented(instr);
+          if (instr->Bits(23, 22) == 0) {
+            V::VisitStoreReleaseExclusive(instr);
+          } else {
+            V::VisitLoadStoreAcquireRelease(instr);
+          }
         } else {
           DecodeAdvSIMDLoadStore(instr);
         }