| /* |
| * Copyright (c) 1998, 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. |
| * |
| */ |
| |
| #ifndef OS_CPU_SOLARIS_X86_VM_BYTES_SOLARIS_X86_INLINE_HPP |
| #define OS_CPU_SOLARIS_X86_VM_BYTES_SOLARIS_X86_INLINE_HPP |
| |
| // For Sun Studio - implementation is in solaris_i486.il. |
| // For gcc - implementation is just below. |
| extern "C" u2 _raw_swap_u2(u2 x); |
| extern "C" u4 _raw_swap_u4(u4 x); |
| #ifdef AMD64 |
| extern "C" u8 _raw_swap_u8(u8 x); |
| #else |
| extern "C" u8 _raw_swap_u8(u4 x, u4 y); |
| #endif // AMD64 |
| |
| // Efficient swapping of data bytes from Java byte |
| // ordering to native byte ordering and vice versa. |
| inline u2 Bytes::swap_u2(u2 x) { |
| return _raw_swap_u2(x); |
| } |
| |
| inline u4 Bytes::swap_u4(u4 x) { |
| return _raw_swap_u4(x); |
| } |
| |
| inline u8 Bytes::swap_u8(u8 x) { |
| #ifdef AMD64 |
| return _raw_swap_u8(x); |
| #else |
| return swap_u8_base(*(u4*)&x, *(((u4*)&x)+1)); |
| #endif // AMD64 |
| |
| } |
| |
| #ifndef AMD64 |
| // Helper function for swap_u8 |
| inline u8 Bytes::swap_u8_base(u4 x, u4 y) { |
| return _raw_swap_u8(x, y); |
| } |
| #endif // !AMD64 |
| |
| #endif // OS_CPU_SOLARIS_X86_VM_BYTES_SOLARIS_X86_INLINE_HPP |
