Mercurial > hg > truffle

comparison src/share/vm/oops/constantPoolOop.cpp @ 1565:ab102d5d923e

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
6939207: refactor constant pool index processing Summary: Factored cleanup of instruction decode which prepares for enhanced ldc semantics. Reviewed-by: twisti
author jrose
date Sun, 23 May 2010 01:38:26 -0700
parents 4ce7240d622c
children e9ff18c4ace7
comparison
equal deleted inserted replaced
1564:61b2245abf36 1565:ab102d5d923e
1 /* 1 /*
2 * Copyright 1997-2009 Sun Microsystems, Inc. All Rights Reserved. 2 * Copyright 1997-2010 Sun Microsystems, Inc. All Rights Reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 * 4 *
5 * This code is free software; you can redistribute it and/or modify it 5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as 6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
295 } 295 }
296 296
297 297
298 298
299 int constantPoolOopDesc::remap_instruction_operand_from_cache(int operand) { 299 int constantPoolOopDesc::remap_instruction_operand_from_cache(int operand) {
300 // Operand was fetched by a stream using get_Java_u2, yet was stored 300 int cpc_index = operand;
301 // by Rewriter::rewrite_member_reference in native order. 301 DEBUG_ONLY(cpc_index -= CPCACHE_INDEX_TAG);
302 // So now we have to fix the damage by swapping back to native order. 302 assert((int)(u2)cpc_index == cpc_index, "clean u2");
303 assert((int)(u2)operand == operand, "clean u2");
304 int cpc_index = Bytes::swap_u2(operand);
305 int member_index = cache()->entry_at(cpc_index)->constant_pool_index(); 303 int member_index = cache()->entry_at(cpc_index)->constant_pool_index();
306 return member_index; 304 return member_index;
307 } 305 }
308 306
309 307