cleanup

Author: offamitkumar

src/hotspot/cpu/s390/interp_masm_s390.cpp

@@ -24,7 +24,7 @@
  */
 
 // Major contributions by AHa, AS, JL, ML.
-long fubar = 0;
+
 #include "asm/macroAssembler.inline.hpp"
 #include "gc/shared/barrierSet.hpp"
 #include "gc/shared/barrierSetAssembler.hpp"
@@ -186,13 +186,10 @@ void InterpreterMacroAssembler::call_VM_preemptable(Register oop_result, address
   push_cont_fastpath();
 
   assert(arg_1 != Z_ARG1, "register corruption");
-  load_const_optimized(Z_R1, (uintptr_t)&fubar);
-  z_agsi(0, Z_R1, 1);
-  z_lg(Z_ARG1, Address(Z_SP, _z_abi(callers_sp)));
 
   // We set resume_pc as last java pc. It will be saved if the vthread gets preempted.
   // Later execution will continue right there.
-  lr_if_needed(Z_ARG2, arg_1);
+  lgr_if_needed(Z_ARG2, arg_1);
 
   call_VM(oop_result, entry_point, false /*check_exceptions*/, &resume_pc /* last_java_pc */);
 
@@ -204,7 +201,7 @@ void InterpreterMacroAssembler::call_VM_preemptable(Register oop_result, address
   z_brz(not_preempted);
 
   z_mvghi(Address(Z_thread, in_bytes(JavaThread::preempt_alternate_return_offset())), 0);
-  z_br(Z_R1_scratch);  // branch to handler in Z_R1_scratch 
+  z_br(Z_R1_scratch);  // branch to handler in Z_R1_scratch
 
   bind(resume_pc); // Location to resume execution