Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/cpu/mips/vm/bytes_mips.hpp
src/cpu/mips/vm/bytes_mips.hpp
- changeset 9459
- 814e9e335067
- parent 9251
- 1ccc5a3b3671
- child 9645
- ac996ba07f9d
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| 9458:076aa91d2dd8 | 9459:814e9e335067 |
|---|---|
| 1 /* | 1 /* |
| 2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. | 2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. |
| 3 * Copyright (c) 2015, 2018, Loongson Technology. All rights reserved. | 3 * Copyright (c) 2015, 2019, Loongson Technology. All rights reserved. |
| 4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | 4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 5 * | 5 * |
| 6 * This code is free software; you can redistribute it and/or modify it | 6 * This code is free software; you can redistribute it and/or modify it |
| 7 * under the terms of the GNU General Public License version 2 only, as | 7 * under the terms of the GNU General Public License version 2 only, as |
| 8 * published by the Free Software Foundation. | 8 * published by the Free Software Foundation. |
| 99 : "memory" | 99 : "memory" |
| 100 ); | 100 ); |
| 101 | 101 |
| 102 return res; | 102 return res; |
| 103 } | 103 } |
| 104 | |
| 104 //use mips unaligned load instructions | 105 //use mips unaligned load instructions |
| 105 static inline void put_native_u2(address p, u2 x) { | 106 static inline void put_native_u2(address p, u2 x) { |
| 106 if((intptr_t)p & 0x1) { | 107 if((intptr_t)p & 0x1) { |
| 107 p[0] = (u_char)(x); | 108 p[0] = (u_char)(x); |
| 108 p[1] = (u_char)(x>>8); | 109 p[1] = (u_char)(x>>8); |
| 109 } else { | 110 } else { |
| 110 *(u2*)p = x; | 111 *(u2*)p = x; |
| 111 } | 112 } |
| 112 } | 113 } |
| 114 | |
| 113 static inline void put_native_u4(address p, u4 x) { | 115 static inline void put_native_u4(address p, u4 x) { |
| 114 // refer to sparc implementation. | 116 // refer to sparc implementation. |
| 115 // Note that sparc is big-endian, while mips is little-endian | 117 // Note that sparc is big-endian, while mips is little-endian |
| 116 switch ( intptr_t(p) & 3 ) { | 118 switch ( intptr_t(p) & 3 ) { |
| 117 case 0: *(u4*)p = x; | 119 case 0: *(u4*)p = x; |
| 118 break; | 120 break; |
| 119 | 121 |
| 120 case 2: ((u2*)p)[1] = x >> 16; | 122 case 2: ((u2*)p)[1] = x >> 16; |
| 121 ((u2*)p)[0] = x; | 123 ((u2*)p)[0] = x; |
| 122 break; | 124 break; |
| 123 | 125 |
| 124 default: ((u1*)p)[3] = x >> 24; | 126 default: ((u1*)p)[3] = x >> 24; |
| 125 ((u1*)p)[2] = x >> 16; | 127 ((u1*)p)[2] = x >> 16; |
| 126 ((u1*)p)[1] = x >> 8; | 128 ((u1*)p)[1] = x >> 8; |
| 127 ((u1*)p)[0] = x; | 129 ((u1*)p)[0] = x; |
| 128 break; | 130 break; |
| 129 } | 131 } |
| 130 } | 132 } |
| 131 static inline void put_native_u8(address p, u8 x) { | 133 static inline void put_native_u8(address p, u8 x) { |
| 132 // refer to sparc implementation. | 134 // refer to sparc implementation. |
| 133 // Note that sparc is big-endian, while mips is little-endian | 135 // Note that sparc is big-endian, while mips is little-endian |
| 134 switch ( intptr_t(p) & 7 ) { | 136 switch ( intptr_t(p) & 7 ) { |
