| 1 | /* ldst-reg-pair.s Test file for AArch64 load-store reg.pair instructions. |
| 2 | |
| 3 | Copyright (C) 2011-2014 Free Software Foundation, Inc. |
| 4 | Contributed by ARM Ltd. |
| 5 | |
| 6 | This file is part of GAS. |
| 7 | |
| 8 | GAS is free software; you can redistribute it and/or modify |
| 9 | it under the terms of the GNU General Public License as published by |
| 10 | the Free Software Foundation; either version 3 of the license, or |
| 11 | (at your option) any later version. |
| 12 | |
| 13 | GAS is distributed in the hope that it will be useful, |
| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | GNU General Public License for more details. |
| 17 | |
| 18 | You should have received a copy of the GNU General Public License |
| 19 | along with this program; see the file COPYING3. If not, |
| 20 | see <http://www.gnu.org/licenses/>. */ |
| 21 | |
| 22 | /* Includes: |
| 23 | * Load-store reg.pair (offset) |
| 24 | * Load-store reg.pair (post-ind.) |
| 25 | * Load-store reg.pair (pre-ind.) |
| 26 | * Load-store na.pair (pre-ind.) |
| 27 | */ |
| 28 | |
| 29 | // offset format |
| 30 | .macro op3_offset op, reg, imm |
| 31 | \op \reg\()7, \reg\()15, [sp, #\imm] |
| 32 | .endm |
| 33 | |
| 34 | // post-ind. format |
| 35 | .macro op3_post_ind op, reg, imm |
| 36 | \op \reg\()7, \reg\()15, [sp], #\imm |
| 37 | .endm |
| 38 | |
| 39 | // pre-ind. format |
| 40 | .macro op3_pre_ind op, reg, imm |
| 41 | \op \reg\()7, \reg\()15, [sp, #\imm]! |
| 42 | .endm |
| 43 | |
| 44 | .macro op3 op, reg, size, type |
| 45 | // a variety of values for the imm7 field |
| 46 | .irp imm7, -64, -31, -1, 0, 15, 63 |
| 47 | // offset format |
| 48 | .ifc \type, 1 |
| 49 | op3_offset \op, \reg, "(\imm7*\size)" |
| 50 | .endif |
| 51 | // post-ind. format |
| 52 | .ifc \type, 2 |
| 53 | op3_post_ind \op, \reg, "(\imm7*\size)" |
| 54 | .endif |
| 55 | // pre-ind. format |
| 56 | .ifc \type, 3 |
| 57 | op3_pre_ind \op, \reg, "(\imm7*\size)" |
| 58 | .endif |
| 59 | .endr |
| 60 | .endm |
| 61 | |
| 62 | .macro ldst_reg_pair type |
| 63 | // op, reg, size(in byte) of one of the pair, type |
| 64 | op3 stp, w, 4, \type |
| 65 | op3 ldp, w, 4, \type |
| 66 | |
| 67 | op3 ldpsw, x, 4, \type |
| 68 | |
| 69 | op3 stp, x, 8, \type |
| 70 | op3 ldp, x, 8, \type |
| 71 | |
| 72 | op3 stp, s, 4, \type |
| 73 | op3 ldp, s, 4, \type |
| 74 | |
| 75 | op3 stp, d, 8, \type |
| 76 | op3 ldp, d, 8, \type |
| 77 | |
| 78 | op3 stp, q, 16, \type |
| 79 | op3 ldp, q, 16, \type |
| 80 | .endm |
| 81 | |
| 82 | .macro ldst_reg_na_pair type |
| 83 | // op, reg, size(in byte) of one of the pair, type |
| 84 | op3 stnp, w, 4, \type |
| 85 | op3 ldnp, w, 4, \type |
| 86 | |
| 87 | op3 stnp, x, 8, \type |
| 88 | op3 ldnp, x, 8, \type |
| 89 | |
| 90 | op3 stnp, s, 4, \type |
| 91 | op3 ldnp, s, 4, \type |
| 92 | |
| 93 | op3 stnp, d, 8, \type |
| 94 | op3 ldnp, d, 8, \type |
| 95 | |
| 96 | op3 stnp, q, 16, \type |
| 97 | op3 ldnp, q, 16, \type |
| 98 | .endm |
| 99 | |
| 100 | func: |
| 101 | // Load-store reg.pair (offset) |
| 102 | ldst_reg_pair 1 |
| 103 | |
| 104 | // Load-store reg.pair (post-ind.) |
| 105 | ldst_reg_pair 2 |
| 106 | |
| 107 | // Load-store reg.pair (pre-ind.) |
| 108 | ldst_reg_pair 3 |
| 109 | |
| 110 | // Load-store na.pair (offset) |
| 111 | ldst_reg_na_pair 1 |