Mercurial > hg > graal-compiler
annotate src/cpu/ppc/vm/javaFrameAnchor_ppc.hpp @ 20128:7ad60a16bbb0
better virtualization of BasicArrayCopyNode
author | Lukas Stadler <lukas.stadler@oracle.com> |
---|---|
date | Thu, 02 Apr 2015 14:28:27 +0200 |
parents | 58cf34613a72 |
children | 92aa6797d639 |
rev | line source |
---|---|
14408
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
1 /* |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
2 * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved. |
14694 | 3 * Copyright 2012, 2014 SAP AG. All rights reserved. |
14408
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
5 * |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
6 * This code is free software; you can redistribute it and/or modify it |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
7 * under the terms of the GNU General Public License version 2 only, as |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
8 * published by the Free Software Foundation. |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
9 * |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
10 * This code is distributed in the hope that it will be useful, but WITHOUT |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
13 * version 2 for more details (a copy is included in the LICENSE file that |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
14 * accompanied this code). |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
15 * |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
16 * You should have received a copy of the GNU General Public License version |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
17 * 2 along with this work; if not, write to the Free Software Foundation, |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
19 * |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
21 * or visit www.oracle.com if you need additional information or have any |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
22 * questions. |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
23 * |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
24 */ |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
25 |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
26 #ifndef CPU_PPC_VM_JAVAFRAMEANCHOR_PPC_HPP |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
27 #define CPU_PPC_VM_JAVAFRAMEANCHOR_PPC_HPP |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
28 |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
29 public: |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
30 // Each arch must define reset, save, restore |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
31 // These are used by objects that only care about: |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
32 // 1 - initializing a new state (thread creation, javaCalls) |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
33 // 2 - saving a current state (javaCalls) |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
34 // 3 - restoring an old state (javaCalls) |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
35 |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
36 inline void clear(void) { |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
37 // clearing _last_Java_sp must be first |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
38 _last_Java_sp = NULL; |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
39 // fence? |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
40 OrderAccess::release(); |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
41 _last_Java_pc = NULL; |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
42 } |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
43 |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
44 inline void set(intptr_t* sp, address pc) { |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
45 _last_Java_pc = pc; |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
46 OrderAccess::release(); |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
47 _last_Java_sp = sp; |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
48 } |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
49 |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
50 void copy(JavaFrameAnchor* src) { |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
51 // In order to make sure the transition state is valid for "this". |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
52 // We must clear _last_Java_sp before copying the rest of the new data. |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
53 // |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
54 // Hack Alert: Temporary bugfix for 4717480/4721647 |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
55 // To act like previous version (pd_cache_state) don't NULL _last_Java_sp |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
56 // unless the value is changing. |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
57 if (_last_Java_sp != src->_last_Java_sp) { |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
58 _last_Java_sp = NULL; |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
59 OrderAccess::release(); |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
60 } |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
61 _last_Java_pc = src->_last_Java_pc; |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
62 // Must be last so profiler will always see valid frame if has_last_frame() is true. |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
63 OrderAccess::release(); |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
64 _last_Java_sp = src->_last_Java_sp; |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
65 } |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
66 |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
67 // Always walkable. |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
68 bool walkable(void) { return true; } |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
69 // Never any thing to do since we are always walkable and can find address of return addresses. |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
70 void make_walkable(JavaThread* thread) { } |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
71 |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
72 intptr_t* last_Java_sp(void) const { return _last_Java_sp; } |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
73 |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
74 address last_Java_pc(void) { return _last_Java_pc; } |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
75 |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
76 void set_last_Java_sp(intptr_t* sp) { OrderAccess::release(); _last_Java_sp = sp; } |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
77 |
ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff
changeset
|
78 #endif // CPU_PPC_VM_JAVAFRAMEANCHOR_PPC_HPP |