gdb/testsuite/gdb.arch/aarch64-fp.c

   1 /* This file is part of GDB, the GNU debugger.
   2
   3    Copyright 2008-2021 Free Software Foundation, Inc.
   4
   5    This program is free software; you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation; either version 3 of the License, or
   8    (at your option) any later version.
   9
  10    This program is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  17
  18 int
  19 main (void)
  20 {
  21   char buf0[] = {0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
  22                  0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f};
  23   char buf1[] = {0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
  24                  0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f};
  25   long val;
  26   void *addr;
  27
  28   addr = &buf0[0];
  29   __asm __volatile ("ldr %x0, [%1]\n\t"
  30                     "ldr q0, [%x0]"
  31                     : "=r" (val)
  32                     : "r" (&addr)
  33                     : "q0" );
  34
  35   addr = &buf1[0];
  36   __asm __volatile ("ldr %x0, [%1]\n\t"
  37                     "ldr q1, [%x0]"
  38                     : "=r" (val)
  39                     : "r" (&addr)
  40                     : "q1" );
  41
  42   return 1;
  43 }
  44