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6939207: refactor constant pool index processing

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Factored cleanup of instruction decode which prepares for enhanced ldc semantics.

Reviewed-by: twisti
This commit is contained in:
John R Rose 2010-05-23 01:38:26 -07:00
parent 2e24ba80e9
commit 581521ba96
40 changed files with 875 additions and 592 deletions
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23
hotspot/src/share/vm/interpreter/bytecodeStream.cpp
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@ -1,5 +1,5 @@
/*
* Copyright 1997-2008 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
@ -48,6 +48,25 @@ Bytecodes::Code RawBytecodeStream::raw_next_special(Bytecodes::Code code) {
}
}
}
_code = code;
_raw_code = code;
return code;
}
#ifdef ASSERT
void BaseBytecodeStream::assert_raw_index_size(int size) const {
if (raw_code() == Bytecodes::_invokedynamic && is_raw()) {
// in raw mode, pretend indy is "bJJ__"
assert(size == 2, "raw invokedynamic instruction has 2-byte index only");
} else {
bytecode()->assert_index_size(size, raw_code(), is_wide());
}
}
void BaseBytecodeStream::assert_raw_stream(bool want_raw) const {
if (want_raw) {
assert( is_raw(), "this function only works on raw streams");
} else {
assert(!is_raw(), "this function only works on non-raw streams");
}
}
#endif //ASSERT