annotate src/os_cpu/solaris_sparc/vm/assembler_solaris_sparc.cpp @ 3612:ed3ac862d22d

IdealGraphVisualizer: make Graal graph-to-text converter work again after last commit by copying properties that have the same value in the two input graphs groups to the newly created diff group's properties.
author Peter Hofer <peter.hofer@jku.at>
date Wed, 02 Nov 2011 17:27:31 +0100
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children f0c2369fda5a
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1 /*
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2 * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 *
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23 */
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24
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25 #include "precompiled.hpp"
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26 #include "asm/assembler.hpp"
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27 #include "assembler_sparc.inline.hpp"
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28 #include "runtime/os.hpp"
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29 #include "runtime/threadLocalStorage.hpp"
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30
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31 #include <sys/trap.h> // For trap numbers
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32 #include <v9/sys/psr_compat.h> // For V8 compatibility
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33
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34 void MacroAssembler::read_ccr_trap(Register ccr_save) {
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35 // Execute a trap to get the PSR, mask and shift
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36 // to get the condition codes.
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37 get_psr_trap();
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38 nop();
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39 set(PSR_ICC, ccr_save);
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40 and3(O0, ccr_save, ccr_save);
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41 srl(ccr_save, PSR_ICC_SHIFT, ccr_save);
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42 }
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43
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44 void MacroAssembler::write_ccr_trap(Register ccr_save, Register scratch1, Register scratch2) {
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45 // Execute a trap to get the PSR, shift back
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46 // the condition codes, mask the condition codes
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47 // back into and PSR and trap to write back the
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48 // PSR.
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49 sll(ccr_save, PSR_ICC_SHIFT, scratch2);
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50 get_psr_trap();
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51 nop();
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52 set(~PSR_ICC, scratch1);
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53 and3(O0, scratch1, O0);
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54 or3(O0, scratch2, O0);
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55 set_psr_trap();
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56 nop();
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57 }
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58
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59 void MacroAssembler::flush_windows_trap() { trap(ST_FLUSH_WINDOWS); }
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60 void MacroAssembler::clean_windows_trap() { trap(ST_CLEAN_WINDOWS); }
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61 void MacroAssembler::get_psr_trap() { trap(ST_GETPSR); }
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62 void MacroAssembler::set_psr_trap() { trap(ST_SETPSR); }