| // |
| // Copyright (c) 2002, 2017, Oracle and/or its affiliates. All rights reserved. |
| // DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| // |
| // This code is free software; you can redistribute it and/or modify it |
| // under the terms of the GNU General Public License version 2 only, as |
| // published by the Free Software Foundation. |
| // |
| // This code is distributed in the hope that it will be useful, but WITHOUT |
| // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| // version 2 for more details (a copy is included in the LICENSE file that |
| // accompanied this code). |
| // |
| // You should have received a copy of the GNU General Public License version |
| // 2 along with this work; if not, write to the Free Software Foundation, |
| // Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| // |
| // Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| // or visit www.oracle.com if you need additional information or have any |
| // questions. |
| // |
| // |
| |
| // Get the raw thread ID from %g7 |
| |
| .inline _raw_thread_id, 0 |
| .register %g7,#scratch |
| .volatile |
| mov %g7, %o0 |
| .nonvolatile |
| .end |
| |
| |
| // Support for jlong Atomic::load and Atomic::store on v9. |
| // |
| // void _Atomic_move_long_v9(volatile jlong* src, volatile jlong* dst) |
| // |
| // Arguments: |
| // src: O0 |
| // dest: O1 |
| // |
| // Overwrites O2 |
| |
| .inline _Atomic_move_long_v9,2 |
| .volatile |
| ldx [%o0], %o2 |
| stx %o2, [%o1] |
| .nonvolatile |
| .end |
| |
| // Support for void Prefetch::read(void *loc, intx interval) |
| // |
| // Prefetch for several reads. |
| |
| .inline _Prefetch_read, 2 |
| .volatile |
| prefetch [%o0+%o1], 0 |
| .nonvolatile |
| .end |
| |
| |
| // Support for void Prefetch::write(void *loc, intx interval) |
| // |
| // Prefetch for several writes. |
| |
| .inline _Prefetch_write, 2 |
| .volatile |
| prefetch [%o0+%o1], 2 |
| .nonvolatile |
| .end |
| |
| |
| // Support for void Copy::conjoint_jlongs_atomic(jlong* from, jlong* to, size_t count) |
| // |
| // 32-bit |
| // |
| // Arguments: |
| // from: O0 |
| // to: O1 |
| // count: O2 treated as signed |
| // |
| // Clobbers: |
| // long_value: O2, O3 |
| // count: O4 |
| // |
| // if (from > to) { |
| // while (--count >= 0) { |
| // *to++ = *from++; |
| // } |
| // } else { |
| // while (--count >= 0) { |
| // to[count] = from[count]; |
| // } |
| // } |
| .inline _Copy_conjoint_jlongs_atomic, 3 |
| .volatile |
| cmp %o0, %o1 |
| bleu 4f |
| sll %o2, 3, %o4 |
| ba 2f |
| 1: |
| subcc %o4, 8, %o4 |
| std %o2, [%o1] |
| add %o0, 8, %o0 |
| add %o1, 8, %o1 |
| 2: |
| bge,a 1b |
| ldd [%o0], %o2 |
| ba 5f |
| nop |
| 3: |
| std %o2, [%o1+%o4] |
| 4: |
| subcc %o4, 8, %o4 |
| bge,a 3b |
| ldd [%o0+%o4], %o2 |
| 5: |
| .nonvolatile |
| .end |
