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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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12
hotspot/src/share/vm/interpreter/interpreterRuntime.hpp
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@ -1,5 +1,5 @@
/*
* Copyright 1997-2009 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
@ -40,9 +40,13 @@ class InterpreterRuntime: AllStatic {
return Bytecodes::code_at(bcp(thread), method(thread));
}
static bool already_resolved(JavaThread *thread) { return cache_entry(thread)->is_resolved(code(thread)); }
static int one_byte_index(JavaThread *thread) { return bcp(thread)[1]; }
static int two_byte_index(JavaThread *thread) { return Bytes::get_Java_u2(bcp(thread) + 1); }
static int four_byte_index(JavaThread *thread) { return Bytes::get_native_u4(bcp(thread) + 1); }
static Bytecode* bytecode(JavaThread *thread) { return Bytecode_at(bcp(thread)); }
static int get_index_u1(JavaThread *thread, Bytecodes::Code bc)
{ return bytecode(thread)->get_index_u1(bc); }
static int get_index_u2(JavaThread *thread, Bytecodes::Code bc)
{ return bytecode(thread)->get_index_u2(bc); }
static int get_index_u2_cpcache(JavaThread *thread, Bytecodes::Code bc)
{ return bytecode(thread)->get_index_u2_cpcache(bc); }
static int number_of_dimensions(JavaThread *thread) { return bcp(thread)[3]; }
static ConstantPoolCacheEntry* cache_entry_at(JavaThread *thread, int i) { return method(thread)->constants()->cache()->entry_at(i); }