gistfile1.txt

diff --git a/src/jit/emit_x64.dasc b/src/jit/emit_x64.dasc
index d659d04..2f4eaee 100644
--- a/src/jit/emit_x64.dasc
+++ b/src/jit/emit_x64.dasc
@@ -24,6 +24,7 @@
 |.type STRING, MVMString*
 |.type OBJECTPTR, MVMObject*
 |.type CONTAINERSPEC, MVMContainerSpec
+|.type STORAGESPEC, MVMStorageSpec
 |.type HLLCONFIG, MVMHLLConfig;
 |.type U8, MVMuint8
 |.type U16, MVMuint16
@@ -871,6 +872,23 @@ void MVM_jit_emit_primitive(MVMThreadContext *tc, MVMJitGraph *jg,
         |2:
         break;
     }
+    case MVM_OP_objprimspec: {
+        MVMint16 dst  = ins->operands[0].reg.orig;
+        MVMint16 type = ins->operands[1].reg.orig;
+        | mov TMP1, aword WORK[type];
+        | test TMP1, TMP1;
+        | jz >1;
+        | mov TMP1, OBJECT:TMP1->st;
+        | mov TMP2, STABLE:TMP1->REPR;
+        | mov FUNCTION, REPR:TMP2->get_storage_spec;
+        | mov ARG1, TC;
+        | mov ARG2, TMP1;
+        | call FUNCTION;
+        | mov TMP1, STORAGESPEC:RV->boxed_primitive;
+        |1:
+        | mov aword WORK[dst], TMP1;
+        break;
+    }
     case MVM_OP_isnonnull: {
         MVMint16 dst = ins->operands[0].reg.orig;
         MVMint16 obj = ins->operands[1].reg.orig;
diff --git a/src/jit/graph.c b/src/jit/graph.c
index 0bc63b2..80b5d0d 100644
--- a/src/jit/graph.c
+++ b/src/jit/graph.c
@@ -692,6 +692,7 @@ static MVMint32 jgb_consume_ins(MVMThreadContext *tc, JitGraphBuilder *jgb,
     case MVM_OP_isstr:
     case MVM_OP_islist:
     case MVM_OP_ishash:
+    case MVM_OP_objprimspec:
     case MVM_OP_takehandlerresult:
     case MVM_OP_lexoticresult:
     case MVM_OP_scwbdisable: