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Diffstat (limited to 'src/cpu/x86/vm/interpreter_x86.hpp')
-rw-r--r--src/cpu/x86/vm/interpreter_x86.hpp37
1 files changed, 7 insertions, 30 deletions
diff --git a/src/cpu/x86/vm/interpreter_x86.hpp b/src/cpu/x86/vm/interpreter_x86.hpp
index 04db7fdf7..3633db502 100644
--- a/src/cpu/x86/vm/interpreter_x86.hpp
+++ b/src/cpu/x86/vm/interpreter_x86.hpp
@@ -1,5 +1,5 @@
/*
- * Copyright 1997-2007 Sun Microsystems, Inc. All Rights Reserved.
+ * Copyright 1997-2010 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -31,39 +31,16 @@
// the fpu stack.
static const int return_sentinel;
-
- static Address::ScaleFactor stackElementScale() {
- return TaggedStackInterpreter? Address::times_8 : Address::times_4;
- }
+ static Address::ScaleFactor stackElementScale() { return Address::times_4; }
// Offset from rsp (which points to the last stack element)
- static int expr_offset_in_bytes(int i) { return stackElementSize()*i ; }
- static int expr_tag_offset_in_bytes(int i) {
- assert(TaggedStackInterpreter, "should not call this");
- return expr_offset_in_bytes(i) + wordSize;
- }
-
- // Support for Tagged Stacks
+ static int expr_offset_in_bytes(int i) { return stackElementSize * i; }
// Stack index relative to tos (which points at value)
- static int expr_index_at(int i) {
- return stackElementWords() * i;
- }
-
- static int expr_tag_index_at(int i) {
- assert(TaggedStackInterpreter, "should not call this");
- // tag is one word above java stack element
- return stackElementWords() * i + 1;
- }
+ static int expr_index_at(int i) { return stackElementWords * i; }
// Already negated by c++ interpreter
- static int local_index_at(int i) {
- assert(i<=0, "local direction already negated");
- return stackElementWords() * i + (value_offset_in_bytes()/wordSize);
- }
-
- static int local_tag_index_at(int i) {
- assert(i<=0, "local direction already negated");
- assert(TaggedStackInterpreter, "should not call this");
- return stackElementWords() * i + (tag_offset_in_bytes()/wordSize);
+ static int local_index_at(int i) {
+ assert(i <= 0, "local direction already negated");
+ return stackElementWords * i;
}