hotspot/src/cpu/x86/vm/vmreg_x86.cpp
author iveresov
Sun, 27 Mar 2011 13:17:37 -0700
changeset 8871 5c3b26c4119e
parent 7397 5b173b4ca846
child 13104 657b387034fb
permissions -rw-r--r--
6964776: c2 should ensure the polling page is reachable on 64 bit Summary: Materialize the pointer to the polling page in a register instead of using rip-relative addressing when the distance from the code cache is larger than disp32. Reviewed-by: never, kvn
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/*
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 * Copyright (c) 2006, 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 "asm/assembler.hpp"
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#include "code/vmreg.hpp"
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void VMRegImpl::set_regName() {
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  Register reg = ::as_Register(0);
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  int i;
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  for (i = 0; i < ConcreteRegisterImpl::max_gpr ; ) {
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    regName[i++] = reg->name();
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#ifdef AMD64
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    regName[i++] = reg->name();
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#endif // AMD64
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    reg = reg->successor();
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  }
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  FloatRegister freg = ::as_FloatRegister(0);
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  for ( ; i < ConcreteRegisterImpl::max_fpr ; ) {
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    regName[i++] = freg->name();
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    regName[i++] = freg->name();
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    freg = freg->successor();
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  }
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  XMMRegister xreg = ::as_XMMRegister(0);
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  for ( ; i < ConcreteRegisterImpl::max_xmm ; ) {
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    regName[i++] = xreg->name();
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    regName[i++] = xreg->name();
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    xreg = xreg->successor();
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  }
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  for ( ; i < ConcreteRegisterImpl::number_of_registers ; i ++ ) {
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    regName[i] = "NON-GPR-FPR-XMM";
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  }
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}