gas/testsuite/gas/aarch64/ldst-reg-pair.s

   1 /* ldst-reg-pair.s Test file for AArch64 load-store reg.pair instructions.
   2
   3    Copyright (C) 2011-2021 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