src/cpu/sparc/vm/relocInfo_sparc.hpp

Fri, 07 Nov 2008 09:29:38 -0800

author
kvn
date
Fri, 07 Nov 2008 09:29:38 -0800
changeset 855
a1980da045cc
parent 631
d1605aabd0a1
child 1907
c18cbe5936b8
permissions
-rw-r--r--

6462850: generate biased locking code in C2 ideal graph
Summary: Inline biased locking code in C2 ideal graph during macro nodes expansion
Reviewed-by: never

duke@435 1 /*
xdono@631 2 * Copyright 1997-2008 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 // machine-dependent parts of class relocInfo
duke@435 26 private:
duke@435 27 enum {
duke@435 28 // Since SPARC instructions are whole words,
duke@435 29 // the two low-order offset bits can always be discarded.
duke@435 30 offset_unit = 4,
duke@435 31
duke@435 32 // There is no need for format bits; the instructions are
duke@435 33 // sufficiently self-identifying.
kvn@599 34 #ifndef _LP64
duke@435 35 format_width = 0
kvn@599 36 #else
kvn@599 37 // Except narrow oops in 64-bits VM.
kvn@599 38 format_width = 1
kvn@599 39 #endif
duke@435 40 };
duke@435 41
duke@435 42
duke@435 43 //Reconciliation History
duke@435 44 // 1.3 97/10/15 15:38:36 relocInfo_i486.hpp
duke@435 45 // 1.4 97/12/08 16:01:06 relocInfo_i486.hpp
duke@435 46 // 1.5 98/01/23 01:34:55 relocInfo_i486.hpp
duke@435 47 // 1.6 98/02/27 15:44:53 relocInfo_i486.hpp
duke@435 48 // 1.6 98/03/12 14:47:13 relocInfo_i486.hpp
duke@435 49 // 1.8 99/06/22 16:37:50 relocInfo_i486.hpp
duke@435 50 // 1.9 99/07/16 11:12:11 relocInfo_i486.hpp
duke@435 51 //End

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