annotate src/os_cpu/linux_sparc/vm/linux_sparc.ad @ 11860:762dc2f23d1c

InvokeWithException: make next successor a special begin node which has the same locationidentity as the invoke InvokeWithExceptionNode has the unpleasant property that it is a ControlSplit and MemoryCheckPoint at the same time. In terms of scheduling, a node cannot be placed after a ControlSplit node as it denotes the end of a block. Thus, instead of connecting a FloatingReadNode to the InvokeWithException node directly (as lastLocationAccess), we point rather to the BeginNode (non-exceptional case) or ExceptionBeginNode. To preserve consistency regarding memory dependencies, the former node must be also a MemoryCheckPoint.
author Bernhard Urban <bernhard.urban@jku.at>
date Wed, 02 Oct 2013 11:16:21 +0200
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children
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1 //
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2 // Copyright (c) 1999, 2008, 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 //
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27 // SPARC Linux Architecture Description File