Tue, 05 Jan 2010 16:12:26 -0800
6914002: unsigned compare problem after 5057818
Reviewed-by: kvn, twisti
duke@435 | 1 | /* |
xdono@631 | 2 | * Copyright 1998-2008 Sun Microsystems, Inc. All Rights Reserved. |
duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@435 | 4 | * |
duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@435 | 7 | * published by the Free Software Foundation. |
duke@435 | 8 | * |
duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@435 | 13 | * accompanied this code). |
duke@435 | 14 | * |
duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@435 | 18 | * |
duke@435 | 19 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
duke@435 | 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
duke@435 | 21 | * have any questions. |
duke@435 | 22 | * |
duke@435 | 23 | */ |
duke@435 | 24 | |
duke@435 | 25 | #include "incls/_precompiled.incl" |
duke@435 | 26 | #include "incls/_vmreg.cpp.incl" |
duke@435 | 27 | |
duke@435 | 28 | // First VMReg value that could refer to a stack slot |
duke@435 | 29 | VMReg VMRegImpl::stack0 = (VMReg)(intptr_t)((ConcreteRegisterImpl::number_of_registers + 1) & ~1); |
duke@435 | 30 | |
duke@435 | 31 | // VMRegs are 4 bytes wide on all platforms |
duke@435 | 32 | const int VMRegImpl::stack_slot_size = 4; |
duke@435 | 33 | const int VMRegImpl::slots_per_word = wordSize / stack_slot_size; |
duke@435 | 34 | |
duke@435 | 35 | const int VMRegImpl::register_count = ConcreteRegisterImpl::number_of_registers; |
duke@435 | 36 | // Register names |
duke@435 | 37 | const char *VMRegImpl::regName[ConcreteRegisterImpl::number_of_registers]; |
duke@435 | 38 | |
kvn@460 | 39 | void VMRegImpl::print_on(outputStream* st) const { |
duke@435 | 40 | if( is_reg() ) { |
duke@435 | 41 | assert( VMRegImpl::regName[value()], "" ); |
kvn@460 | 42 | st->print("%s",VMRegImpl::regName[value()]); |
duke@435 | 43 | } else if (is_stack()) { |
duke@435 | 44 | int stk = value() - stack0->value(); |
kvn@460 | 45 | st->print("[%d]", stk*4); |
duke@435 | 46 | } else { |
kvn@460 | 47 | st->print("BAD!"); |
duke@435 | 48 | } |
kvn@460 | 49 | } |