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1 | ; Copyright (C) 2012-2019 Free Software Foundation, Inc. |
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2 | ; Contributed by Red Hat. |
| 3 | ; |
| 4 | ; This file is free software; you can redistribute it and/or modify it |
| 5 | ; under the terms of the GNU General Public License as published by the |
| 6 | ; Free Software Foundation; either version 3, or (at your option) any |
| 7 | ; later version. |
| 8 | ; |
| 9 | ; This file is distributed in the hope that it will be useful, but |
| 10 | ; WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 12 | ; General Public License for more details. |
| 13 | ; |
| 14 | ; Under Section 7 of GPL version 3, you are granted additional |
| 15 | ; permissions described in the GCC Runtime Library Exception, version |
| 16 | ; 3.1, as published by the Free Software Foundation. |
| 17 | ; |
| 18 | ; You should have received a copy of the GNU General Public License and |
| 19 | ; a copy of the GCC Runtime Library Exception along with this program; |
| 20 | ; see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
| 21 | ; <http://www.gnu.org/licenses/>. |
| 22 | |
| 23 | .text |
| 24 | |
| 25 | .macro _srai n |
| 26 | .global __mspabi_srai_\n |
| 27 | __mspabi_srai_\n: |
| 28 | RRA.W R12 |
| 29 | .endm |
| 30 | |
| 31 | /* Logical Right Shift - R12 -> R12 */ |
| 32 | _srai 15 |
| 33 | _srai 14 |
| 34 | _srai 13 |
| 35 | _srai 12 |
| 36 | _srai 11 |
| 37 | _srai 10 |
| 38 | _srai 9 |
| 39 | _srai 8 |
| 40 | _srai 7 |
| 41 | _srai 6 |
| 42 | _srai 5 |
| 43 | _srai 4 |
| 44 | _srai 3 |
| 45 | _srai 2 |
| 46 | _srai 1 |
| 47 | #ifdef __MSP430X_LARGE__ |
| 48 | RETA |
| 49 | #else |
| 50 | RET |
| 51 | #endif |
| 52 | |
| 53 | 1: ADD.W #-1,R13 |
| 54 | RRA.W R12,R12 |
| 55 | .global __mspabi_srai |
| 56 | __mspabi_srai: |
| 57 | CMP #0,R13 |
| 58 | JNZ 1b |
| 59 | #ifdef __MSP430X_LARGE__ |
| 60 | RETA |
| 61 | #else |
| 62 | RET |
| 63 | #endif |
| 64 | |
| 65 | /* Logical Right Shift - R12:R13 -> R12:R13 */ |
| 66 | |
| 67 | .macro _sral n |
| 68 | .global __mspabi_sral_\n |
| 69 | __mspabi_sral_\n: |
| 70 | RRA.W R13 |
| 71 | RRC.W R12 |
| 72 | .endm |
| 73 | |
| 74 | _sral 15 |
| 75 | _sral 14 |
| 76 | _sral 13 |
| 77 | _sral 12 |
| 78 | _sral 11 |
| 79 | _sral 10 |
| 80 | _sral 9 |
| 81 | _sral 8 |
| 82 | _sral 7 |
| 83 | _sral 6 |
| 84 | _sral 5 |
| 85 | _sral 4 |
| 86 | _sral 3 |
| 87 | _sral 2 |
| 88 | _sral 1 |
| 89 | #ifdef __MSP430X_LARGE__ |
| 90 | RETA |
| 91 | #else |
| 92 | RET |
| 93 | #endif |
| 94 | |
| 95 | 1: ADD.W #-1,R14 |
| 96 | RRA.W R13 |
| 97 | RRC.W R12 |
| 98 | .global __mspabi_sral |
| 99 | __mspabi_sral: |
| 100 | CMP #0,R14 |
| 101 | JNZ 1b |
| 102 | #ifdef __MSP430X_LARGE__ |
| 103 | RETA |
| 104 | #else |
| 105 | RET |
| 106 | #endif |
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