.. | .. |
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| 1 | +/* SPDX-License-Identifier: GPL-2.0-only */ |
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1 | 2 | /* |
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2 | 3 | * Copyright (C) 2018 Free Software Foundation, Inc. |
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3 | | - * |
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4 | | - * This program is free software; you can redistribute it and/or |
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5 | | - * modify it under the terms of the GNU General Public License |
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6 | | - * as published by the Free Software Foundation, version 2. |
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7 | | - * |
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8 | | - * This program is distributed in the hope that it will be useful, |
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9 | | - * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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10 | | - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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11 | | - * GNU General Public License for more details. |
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12 | 4 | */ |
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13 | | - .globl __lshrti3 |
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14 | | -__lshrti3: |
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15 | | - beqz a2, .L1 |
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16 | | - li a5,64 |
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17 | | - sub a5,a5,a2 |
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18 | | - addi sp,sp,-16 |
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19 | | - sext.w a4,a5 |
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20 | | - blez a5, .L2 |
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21 | | - sext.w a2,a2 |
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22 | | - sll a4,a1,a4 |
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23 | | - srl a0,a0,a2 |
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24 | | - srl a1,a1,a2 |
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25 | | - or a0,a0,a4 |
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26 | | - sd a1,8(sp) |
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27 | | - sd a0,0(sp) |
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28 | | - ld a0,0(sp) |
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29 | | - ld a1,8(sp) |
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30 | | - addi sp,sp,16 |
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31 | | - ret |
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| 5 | + |
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| 6 | +#include <linux/linkage.h> |
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| 7 | +#include <asm-generic/export.h> |
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| 8 | + |
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| 9 | +SYM_FUNC_START(__lshrti3) |
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| 10 | + beqz a2, .L1 |
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| 11 | + li a5,64 |
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| 12 | + sub a5,a5,a2 |
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| 13 | + sext.w a4,a5 |
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| 14 | + blez a5, .L2 |
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| 15 | + sext.w a2,a2 |
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| 16 | + srl a0,a0,a2 |
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| 17 | + sll a4,a1,a4 |
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| 18 | + srl a2,a1,a2 |
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| 19 | + or a0,a0,a4 |
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| 20 | + mv a1,a2 |
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32 | 21 | .L1: |
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33 | | - ret |
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| 22 | + ret |
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34 | 23 | .L2: |
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35 | | - negw a4,a4 |
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36 | | - srl a1,a1,a4 |
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37 | | - sd a1,0(sp) |
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38 | | - sd zero,8(sp) |
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39 | | - ld a0,0(sp) |
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40 | | - ld a1,8(sp) |
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41 | | - addi sp,sp,16 |
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42 | | - ret |
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| 24 | + negw a0,a4 |
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| 25 | + li a2,0 |
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| 26 | + srl a0,a1,a0 |
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| 27 | + mv a1,a2 |
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| 28 | + ret |
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| 29 | +SYM_FUNC_END(__lshrti3) |
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| 30 | +EXPORT_SYMBOL(__lshrti3) |
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| 31 | + |
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| 32 | +SYM_FUNC_START(__ashrti3) |
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| 33 | + beqz a2, .L3 |
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| 34 | + li a5,64 |
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| 35 | + sub a5,a5,a2 |
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| 36 | + sext.w a4,a5 |
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| 37 | + blez a5, .L4 |
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| 38 | + sext.w a2,a2 |
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| 39 | + srl a0,a0,a2 |
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| 40 | + sll a4,a1,a4 |
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| 41 | + sra a2,a1,a2 |
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| 42 | + or a0,a0,a4 |
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| 43 | + mv a1,a2 |
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| 44 | +.L3: |
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| 45 | + ret |
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| 46 | +.L4: |
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| 47 | + negw a0,a4 |
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| 48 | + srai a2,a1,0x3f |
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| 49 | + sra a0,a1,a0 |
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| 50 | + mv a1,a2 |
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| 51 | + ret |
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| 52 | +SYM_FUNC_END(__ashrti3) |
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| 53 | +EXPORT_SYMBOL(__ashrti3) |
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| 54 | + |
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| 55 | +SYM_FUNC_START(__ashlti3) |
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| 56 | + beqz a2, .L5 |
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| 57 | + li a5,64 |
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| 58 | + sub a5,a5,a2 |
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| 59 | + sext.w a4,a5 |
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| 60 | + blez a5, .L6 |
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| 61 | + sext.w a2,a2 |
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| 62 | + sll a1,a1,a2 |
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| 63 | + srl a4,a0,a4 |
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| 64 | + sll a2,a0,a2 |
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| 65 | + or a1,a1,a4 |
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| 66 | + mv a0,a2 |
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| 67 | +.L5: |
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| 68 | + ret |
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| 69 | +.L6: |
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| 70 | + negw a1,a4 |
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| 71 | + li a2,0 |
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| 72 | + sll a1,a0,a1 |
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| 73 | + mv a0,a2 |
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| 74 | + ret |
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| 75 | +SYM_FUNC_END(__ashlti3) |
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| 76 | +EXPORT_SYMBOL(__ashlti3) |
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