diff --git a/src/lib_rdi_make/rdi_make.c b/src/lib_rdi_make/rdi_make.c
index 19cf6a31..d4416425 100644
--- a/src/lib_rdi_make/rdi_make.c
+++ b/src/lib_rdi_make/rdi_make.c
@@ -1004,6 +1004,12 @@ rdim_bytecode_push_sconst(RDIM_Arena *arena, RDIM_EvalBytecode *bytecode, RDI_S6
   }
 }
 
+RDI_PROC void
+rdim_bytecode_push_convert(RDIM_Arena *arena, RDIM_EvalBytecode *bytecode, RDI_EvalTypeGroup in, RDI_EvalTypeGroup out)
+{
+  rdim_bytecode_push_op(arena, bytecode, RDI_EvalOp_Convert, (U16)(in) | ((U16)(out) << 8));
+}
+
 RDI_PROC void
 rdim_bytecode_concat_in_place(RDIM_EvalBytecode *left_dst, RDIM_EvalBytecode *right_destroyed)
 {
diff --git a/src/lib_rdi_make/rdi_make.h b/src/lib_rdi_make/rdi_make.h
index 015bb7c3..470bb647 100644
--- a/src/lib_rdi_make/rdi_make.h
+++ b/src/lib_rdi_make/rdi_make.h
@@ -1651,6 +1651,7 @@ RDI_PROC void rdim_inline_site_chunk_list_concat_in_place(RDIM_InlineSiteChunkLi
 RDI_PROC RDIM_EvalBytecodeOp * rdim_bytecode_push_op(RDIM_Arena *arena, RDIM_EvalBytecode *bytecode, RDI_EvalOp op, RDI_U64 p);
 RDI_PROC void rdim_bytecode_push_uconst(RDIM_Arena *arena, RDIM_EvalBytecode *bytecode, RDI_U64 x);
 RDI_PROC void rdim_bytecode_push_sconst(RDIM_Arena *arena, RDIM_EvalBytecode *bytecode, RDI_S64 x);
+RDI_PROC void rdim_bytecode_push_convert(RDIM_Arena *arena, RDIM_EvalBytecode *bytecode, RDI_EvalTypeGroup in, RDI_EvalTypeGroup out);
 RDI_PROC void rdim_bytecode_concat_in_place(RDIM_EvalBytecode *left_dst, RDIM_EvalBytecode *right_destroyed);
 RDI_PROC B32 rdim_is_bytecode_tls_dependent(RDIM_EvalBytecode bytecode);