Mercurial > hg > graal-compiler
view src/cpu/x86/vm/interpreter_x86.hpp @ 2123:df307487d610
7010665: Misplaced membar in C1 implementation of Unsafe.get/putXXX
Summary: Modify membars to match regular volatile variable handling
Reviewed-by: iveresov, kvn, never
author | dholmes |
---|---|
date | Sun, 09 Jan 2011 17:16:16 -0500 |
parents | f95d63e2154a |
children | 638119ce7cfd |
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/* * Copyright (c) 1997, 2010, Oracle and/or its affiliates. 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 * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #ifndef CPU_X86_VM_INTERPRETER_X86_HPP #define CPU_X86_VM_INTERPRETER_X86_HPP public: // Sentinel placed in the code for interpreter returns so // that i2c adapters and osr code can recognize an interpreter // return address and convert the return to a specialized // block of code to handle compiedl return values and cleaning // the fpu stack. static const int return_sentinel; 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; } // Stack index relative to tos (which points at value) 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; } #endif // CPU_X86_VM_INTERPRETER_X86_HPP