Mercurial > hg > truffle
annotate src/cpu/x86/vm/interpreter_x86.hpp @ 2169:f966c66b5463
7014247: CTW fails when compile sun/misc/AtomicLongCSImpl (REMOVED from JDK7)
Summary: Use lea to compute field address in AtomicLongCSImpl::attemptUpdate() intrinsic on x86.
Reviewed-by: never, kvn
author | iveresov |
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date | Tue, 25 Jan 2011 14:38:15 -0800 |
parents | f95d63e2154a |
children | 638119ce7cfd |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. |
0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
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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. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #ifndef CPU_X86_VM_INTERPRETER_X86_HPP |
26 #define CPU_X86_VM_INTERPRETER_X86_HPP | |
27 | |
0 | 28 public: |
29 | |
30 // Sentinel placed in the code for interpreter returns so | |
31 // that i2c adapters and osr code can recognize an interpreter | |
32 // return address and convert the return to a specialized | |
33 // block of code to handle compiedl return values and cleaning | |
34 // the fpu stack. | |
35 static const int return_sentinel; | |
36 | |
1506 | 37 static Address::ScaleFactor stackElementScale() { return Address::times_4; } |
0 | 38 |
39 // Offset from rsp (which points to the last stack element) | |
1506 | 40 static int expr_offset_in_bytes(int i) { return stackElementSize * i; } |
0 | 41 |
42 // Stack index relative to tos (which points at value) | |
1506 | 43 static int expr_index_at(int i) { return stackElementWords * i; } |
0 | 44 |
45 // Already negated by c++ interpreter | |
1506 | 46 static int local_index_at(int i) { |
47 assert(i <= 0, "local direction already negated"); | |
48 return stackElementWords * i; | |
0 | 49 } |
1972 | 50 |
51 #endif // CPU_X86_VM_INTERPRETER_X86_HPP |