src/cpu/s390/vm/c1_LIRAssembler_s390.cpp

rev 12483 : 8172049: [s390] Implement "JEP 270: Reserved Stack Areas for Critical Sections".

@@ -1146,10 +1146,14 @@
   } else {
     __ add2reg(Z_SP, initial_frame_size_in_bytes());
     __ restore_return_pc();
   }
 
+  if (StackReservedPages > 0 && compilation()->has_reserved_stack_access()) {
+    __ reserved_stack_check(Z_R14);
+  }
+
   // We need to mark the code position where the load from the safepoint
   // polling page was emitted as relocInfo::poll_return_type here.
   __ relocate(relocInfo::poll_return_type);
   __ load_from_polling_page(Z_R1_scratch);