diff a/src/hotspot/cpu/riscv/c1_LIRAssembler_arraycopy_riscv.cpp b/src/hotspot/cpu/riscv/c1_LIRAssembler_arraycopy_riscv.cpp
--- a/src/hotspot/cpu/riscv/c1_LIRAssembler_arraycopy_riscv.cpp
+++ b/src/hotspot/cpu/riscv/c1_LIRAssembler_arraycopy_riscv.cpp
@@ -238,10 +238,22 @@
     __ bind(cont);
     POP(src, dst);
   }
 }
 
+void LIR_Assembler::arraycopy_inlinetype_check(Register obj, Register tmp, CodeStub* slow_path, bool is_dest, bool null_check) {
+  if (null_check) {
+    __ beqz(obj, *slow_path->entry(), /* is_far */ true);
+  }
+  if (is_dest) {
+    __ test_null_free_array_oop(obj, tmp, *slow_path->entry());
+    __ test_flat_array_oop(obj, tmp, *slow_path->entry());
+  } else {
+    __ test_flat_array_oop(obj, tmp, *slow_path->entry());
+  }
+}
+
 void LIR_Assembler::emit_arraycopy(LIR_OpArrayCopy* op) {
   ciArrayKlass *default_type = op->expected_type();
   Register src = op->src()->as_register();
   Register dst = op->dst()->as_register();
   Register src_pos = op->src_pos()->as_register();
@@ -252,16 +264,29 @@
   CodeStub* stub = op->stub();
   int flags = op->flags();
   BasicType basic_type = default_type != nullptr ? default_type->element_type()->basic_type() : T_ILLEGAL;
   if (is_reference_type(basic_type)) { basic_type = T_OBJECT; }
 
+  if (flags & LIR_OpArrayCopy::always_slow_path) {
+    __ j(*stub->entry());
+    __ bind(*stub->continuation());
+    return;
+  }
+
   // if we don't know anything, just go through the generic arraycopy
   if (default_type == nullptr) {
     generic_arraycopy(src, src_pos, length, dst, dst_pos, stub);
     return;
   }
 
+  if (flags & LIR_OpArrayCopy::src_inlinetype_check) {
+    arraycopy_inlinetype_check(src, tmp, stub, false, (flags & LIR_OpArrayCopy::src_null_check));
+  }
+  if (flags & LIR_OpArrayCopy::dst_inlinetype_check) {
+    arraycopy_inlinetype_check(dst, tmp, stub, true, (flags & LIR_OpArrayCopy::dst_null_check));
+  }
+
   assert(default_type != nullptr && default_type->is_array_klass() && default_type->is_loaded(),
          "must be true at this point");
 
   arraycopy_simple_check(src, src_pos, length, dst, dst_pos, tmp, stub, flags);