src/hotspot/cpu/x86/methodHandles_x86.cpp

rev 50390 : 8200623: Primitive heap access for interpreter BarrierSetAssembler/x86

@@ -173,11 +173,13 @@
   __ verify_oop(method_temp);
   __ load_heap_oop(method_temp, Address(method_temp, NONZERO(java_lang_invoke_LambdaForm::vmentry_offset_in_bytes())), temp2);
   __ verify_oop(method_temp);
   __ load_heap_oop(method_temp, Address(method_temp, NONZERO(java_lang_invoke_MemberName::method_offset_in_bytes())), temp2);
   __ verify_oop(method_temp);
-  __ movptr(method_temp, Address(method_temp, NONZERO(java_lang_invoke_ResolvedMethodName::vmtarget_offset_in_bytes())));
+  __ access_load_at(T_ADDRESS, IN_HEAP, method_temp,
+                    Address(method_temp, NONZERO(java_lang_invoke_ResolvedMethodName::vmtarget_offset_in_bytes())),
+                    noreg, noreg);
 
   if (VerifyMethodHandles && !for_compiler_entry) {
     // make sure recv is already on stack
     __ movptr(temp2, Address(method_temp, Method::const_offset()));
     __ load_sized_value(temp2,

@@ -388,19 +390,19 @@
     case vmIntrinsics::_linkToSpecial:
       if (VerifyMethodHandles) {
         verify_ref_kind(_masm, JVM_REF_invokeSpecial, member_reg, temp3);
       }
       __ load_heap_oop(rbx_method, member_vmtarget);
-      __ movptr(rbx_method, vmtarget_method);
+      __ access_load_at(T_ADDRESS, IN_HEAP, rbx_method, vmtarget_method, noreg, noreg);
       break;
 
     case vmIntrinsics::_linkToStatic:
       if (VerifyMethodHandles) {
         verify_ref_kind(_masm, JVM_REF_invokeStatic, member_reg, temp3);
       }
       __ load_heap_oop(rbx_method, member_vmtarget);
-      __ movptr(rbx_method, vmtarget_method);
+      __ access_load_at(T_ADDRESS, IN_HEAP, rbx_method, vmtarget_method, noreg, noreg);
       break;
 
     case vmIntrinsics::_linkToVirtual:
     {
       // same as TemplateTable::invokevirtual,

@@ -410,11 +412,11 @@
         verify_ref_kind(_masm, JVM_REF_invokeVirtual, member_reg, temp3);
       }
 
       // pick out the vtable index from the MemberName, and then we can discard it:
       Register temp2_index = temp2;
-      __ movptr(temp2_index, member_vmindex);
+      __ access_load_at(T_ADDRESS, IN_HEAP, temp2_index, member_vmindex, noreg, noreg);
 
       if (VerifyMethodHandles) {
         Label L_index_ok;
         __ cmpl(temp2_index, 0);
         __ jcc(Assembler::greaterEqual, L_index_ok);

@@ -444,11 +446,11 @@
       __ load_heap_oop(temp3_intf, member_clazz);
       load_klass_from_Class(_masm, temp3_intf);
       __ verify_klass_ptr(temp3_intf);
 
       Register rbx_index = rbx_method;
-      __ movptr(rbx_index, member_vmindex);
+      __ access_load_at(T_ADDRESS, IN_HEAP, rbx_index, member_vmindex, noreg, noreg);
       if (VerifyMethodHandles) {
         Label L;
         __ cmpl(rbx_index, 0);
         __ jcc(Assembler::greaterEqual, L);
         __ STOP("invalid vtable index for MH.invokeInterface");