diff --git a/src/mips64/disasm-mips64.cc b/src/mips64/disasm-mips64.cc
index 7b05493..1917526 100644
--- a/src/mips64/disasm-mips64.cc
+++ b/src/mips64/disasm-mips64.cc
@@ -1457,11 +1457,18 @@
           Format(instr, "bitswap 'rd, 'rt");
           break;
         }
-        case SEB:
-        case SEH:
-        case WSBH:
-          UNREACHABLE();
+        case SEB: {
+          Format(instr, "seb     'rd, 'rt");
           break;
+        }
+        case SEH: {
+          Format(instr, "seh     'rd, 'rt");
+          break;
+        }
+        case WSBH: {
+          Format(instr, "wsbh    'rd, 'rt");
+          break;
+        }
         default: {
           sa >>= kBp2Bits;
           switch (sa) {
@@ -1492,10 +1499,14 @@
           }
           break;
         }
-        case DSBH:
-        case DSHD:
-          UNREACHABLE();
+        case DSBH: {
+          Format(instr, "dsbh    'rd, 'rt");
           break;
+        }
+        case DSHD: {
+          Format(instr, "dshd    'rd, 'rt");
+          break;
+        }
         default: {
           sa >>= kBp3Bits;
           switch (sa) {
@@ -1938,7 +1949,7 @@
 namespace disasm {
 
 const char* NameConverter::NameOfAddress(byte* addr) const {
-  v8::internal::SNPrintF(tmp_buffer_, "%p", addr);
+  v8::internal::SNPrintF(tmp_buffer_, "%p", static_cast<void*>(addr));
   return tmp_buffer_.start();
 }
 
@@ -2001,8 +2012,8 @@
     buffer[0] = '\0';
     byte* prev_pc = pc;
     pc += d.InstructionDecode(buffer, pc);
-    v8::internal::PrintF(f, "%p    %08x      %s\n",
-        prev_pc, *reinterpret_cast<int32_t*>(prev_pc), buffer.start());
+    v8::internal::PrintF(f, "%p    %08x      %s\n", static_cast<void*>(prev_pc),
+                         *reinterpret_cast<int32_t*>(prev_pc), buffer.start());
   }
 }