src/cpu/x86/vm/templateInterpreter_x86_32.cpp

@@ -422,12 +422,10 @@
   // rsp - sender_sp
 
   // C++ interpreter only
   // rsi - previous interpreter state pointer
 
-  const Address size_of_parameters(rbx, Method::size_of_parameters_offset());
-
   // InterpreterRuntime::frequency_counter_overflow takes one argument
   // indicating if the counter overflow occurs at a backwards branch (non-NULL bcp).
   // The call returns the address of the verified entry point for the method or NULL
   // if the compilation did not complete (either went background or bailed out).
   __ movptr(rax, (intptr_t)false);

@@ -866,16 +864,17 @@
   // rbx,: Method*
   // rsi: sender sp
   // rsi: previous interpreter state (C++ interpreter) must preserve
   address entry_point = __ pc();
 
-
-  const Address size_of_parameters(rbx, Method::size_of_parameters_offset());
+  const Address constMethod       (rbx, Method::const_offset());
   const Address invocation_counter(rbx, Method::invocation_counter_offset() + InvocationCounter::counter_offset());
   const Address access_flags      (rbx, Method::access_flags_offset());
+  const Address size_of_parameters(rcx, ConstMethod::size_of_parameters_offset());
 
   // get parameter size (always needed)
+  __ movptr(rcx, constMethod);
   __ load_unsigned_short(rcx, size_of_parameters);
 
   // native calls don't need the stack size check since they have no expression stack
   // and the arguments are already on the stack and we only add a handful of words
   // to the stack

@@ -986,11 +985,13 @@
   const Register thread = rdi;
   const Register t      = rcx;
 
   // allocate space for parameters
   __ get_method(method);
-  __ load_unsigned_short(t, Address(method, Method::size_of_parameters_offset()));
+  __ movptr(t, Address(method, Method::const_offset()));
+  __ load_unsigned_short(t, Address(t, ConstMethod::size_of_parameters_offset()));
+
   __ shlptr(t, Interpreter::logStackElementSize);
   __ addptr(t, 2*wordSize);     // allocate two more slots for JNIEnv and possible mirror
   __ subptr(rsp, t);
   __ andptr(rsp, -(StackAlignmentInBytes)); // gcc needs 16 byte aligned stacks to do XMM intrinsics
 

@@ -1295,17 +1296,18 @@
 
   // rbx,: Method*
   // rsi: sender sp
   address entry_point = __ pc();
 
-
-  const Address size_of_parameters(rbx, Method::size_of_parameters_offset());
-  const Address size_of_locals    (rbx, Method::size_of_locals_offset());
+  const Address constMethod       (rbx, Method::const_offset());
   const Address invocation_counter(rbx, Method::invocation_counter_offset() + InvocationCounter::counter_offset());
   const Address access_flags      (rbx, Method::access_flags_offset());
+  const Address size_of_parameters(rdx, ConstMethod::size_of_parameters_offset());
+  const Address size_of_locals    (rdx, ConstMethod::size_of_locals_offset());
 
   // get parameter size (always needed)
+  __ movptr(rdx, constMethod);
   __ load_unsigned_short(rcx, size_of_parameters);
 
   // rbx,: Method*
   // rcx: size of parameters
 

@@ -1732,11 +1734,12 @@
     __ testl(rax, rax);
     __ jcc(Assembler::notZero, caller_not_deoptimized);
 
     // Compute size of arguments for saving when returning to deoptimized caller
     __ get_method(rax);
-    __ load_unsigned_short(rax, Address(rax, in_bytes(Method::size_of_parameters_offset())));
+    __ movptr(rax, Address(rax, Method::const_offset()));
+    __ load_unsigned_short(rax, Address(rax, ConstMethod::size_of_parameters_offset()));
     __ shlptr(rax, Interpreter::logStackElementSize);
     __ restore_locals();
     __ subptr(rdi, rax);
     __ addptr(rdi, wordSize);
     // Save these arguments