Mercurial > hg > graal-compiler
view src/cpu/ppc/vm/vmreg_ppc.cpp @ 14436:b0133e4187d3
8028471: PPC64 (part 215): opto: Extend ImplicitNullCheck optimization.
Summary: Fixed Implicit NULL check optimization for AIX, where the page at address '0' is only write-protected.
Reviewed-by: kvn
author | goetz |
---|---|
date | Thu, 21 Nov 2013 18:29:34 -0800 |
parents | ec28f9c041ff |
children |
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/* * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved. * Copyright 2012, 2013 SAP AG. 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. * */ #include "precompiled.hpp" #include "asm/assembler.hpp" #include "code/vmreg.hpp" void VMRegImpl::set_regName() { Register reg = ::as_Register(0); int i; for (i = 0; i < ConcreteRegisterImpl::max_gpr; ) { regName[i++] = reg->name(); regName[i++] = reg->name(); if (reg->encoding() < RegisterImpl::number_of_registers-1) reg = reg->successor(); } FloatRegister freg = ::as_FloatRegister(0); for ( ; i < ConcreteRegisterImpl::max_fpr; ) { regName[i++] = freg->name(); regName[i++] = freg->name(); if (reg->encoding() < FloatRegisterImpl::number_of_registers-1) freg = freg->successor(); } for ( ; i < ConcreteRegisterImpl::number_of_registers; i++) { regName[i] = "NON-GPR-FPR"; } }