Mercurial > hg > graal-jvmci-8
diff src/cpu/x86/vm/interpreter_x86.hpp @ 1506:2338d41fbd81
6943304: remove tagged stack interpreter
Reviewed-by: coleenp, never, gbenson
author | twisti |
---|---|
date | Fri, 30 Apr 2010 08:37:24 -0700 |
parents | a61af66fc99e |
children | c18cbe5936b8 |
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--- a/src/cpu/x86/vm/interpreter_x86.hpp Fri Apr 30 04:27:25 2010 -0700 +++ b/src/cpu/x86/vm/interpreter_x86.hpp Fri Apr 30 08:37:24 2010 -0700 @@ -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_index_at(int i) { + assert(i <= 0, "local direction already negated"); + return stackElementWords * i; } - - 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); - }