equal
deleted
inserted
replaced
1 /* |
1 /* |
2 * Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved. |
2 * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved. |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * |
4 * |
5 * This code is free software; you can redistribute it and/or modify it |
5 * This code is free software; you can redistribute it and/or modify it |
6 * under the terms of the GNU General Public License version 2 only, as |
6 * under the terms of the GNU General Public License version 2 only, as |
7 * published by the Free Software Foundation. |
7 * published by the Free Software Foundation. |
3459 // Also to prevent commoning reads from this field across safepoint |
3459 // Also to prevent commoning reads from this field across safepoint |
3460 // since GC can change its value. |
3460 // since GC can change its value. |
3461 preserves_state = true; |
3461 preserves_state = true; |
3462 break; |
3462 break; |
3463 |
3463 |
|
3464 case vmIntrinsics::_updateCRC32: |
|
3465 case vmIntrinsics::_updateBytesCRC32: |
|
3466 case vmIntrinsics::_updateByteBufferCRC32: |
|
3467 if (!UseCRC32Intrinsics) return false; |
|
3468 cantrap = false; |
|
3469 preserves_state = true; |
|
3470 break; |
|
3471 |
3464 case vmIntrinsics::_loadFence : |
3472 case vmIntrinsics::_loadFence : |
3465 case vmIntrinsics::_storeFence: |
3473 case vmIntrinsics::_storeFence: |
3466 case vmIntrinsics::_fullFence : |
3474 case vmIntrinsics::_fullFence : |
3467 break; |
3475 break; |
3468 |
3476 |