hotspot/src/cpu/x86/vm/c2_init_x86.cpp
author johnc
Wed, 17 Apr 2013 10:57:02 -0700
changeset 16997 d5dfdf746abd
parent 7397 5b173b4ca846
child 30624 2e1803c8a26d
permissions -rw-r--r--
8012335: G1: Fix bug with compressed oops in template interpreter on x86 and sparc. Summary: In do_oop_store the uncompressed value of the oop being stored needs to be preserved and passed to g1_write_barrier_post. This is necessary for the heap region cross check to work correctly. Reviewed-by: coleenp, johnc Contributed-by: Martin Doerr <martin.doerr@sap.com>
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/*
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 * Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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#include "precompiled.hpp"
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#include "opto/compile.hpp"
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#include "opto/node.hpp"
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// processor dependent initialization for i486
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void Compile::pd_compiler2_init() {
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  guarantee(CodeEntryAlignment >= InteriorEntryAlignment, "" );
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  // QQQ presumably all 64bit cpu's support this. Seems like the ifdef could
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  // simply be left out.
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#ifndef AMD64
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  if (!VM_Version::supports_cmov()) {
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    ConditionalMoveLimit = 0;
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  }
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#endif // AMD64
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}