sim/testsuite/bpf/mov.s

   1 # mach: bpf
   2 # output: pass\nexit 0 (0x0)\n
   3 /* mov.s
   4    Tests for mov and mov32 instructions  */
   5
   6     .include "testutils.inc"
   7
   8     .text
   9     .global main
  10     .type main, @function
  11 main:
  12     /* some basic sanity checks  */
  13     mov32       %r1, 5
  14     fail_ne     %r1, 5
  15
  16     mov32       %r2, %r1
  17     fail_ne     %r2, 5
  18
  19     mov         %r2, %r1
  20     fail_ne     %r2, 5
  21
  22     mov         %r1, -666
  23     fail_ne     %r1, -666
  24
  25     /* should NOT sign extend  */
  26     mov32       %r1, -1
  27     fail_ne     %r1, 0x00000000ffffffff
  28
  29     /* should sign extend  */
  30     mov         %r2, -1
  31     fail_ne     %r2, 0xffffffffffffffff
  32
  33     mov         %r3, -2147483648 /* 0x80000000 */
  34
  35     /* should NOT sign extend */
  36     mov32       %r4, %r3
  37     fail_ne     %r4, 0x0000000080000000
  38
  39     /* should sign extend  */
  40     mov         %r5, %r3
  41     fail_ne     %r5, 0xffffffff80000000
  42
  43     mov32       %r1, -2147483648
  44     mov32       %r1, %r1
  45     fail_ne32   %r1, -2147483648
  46
  47     /* casting shenanigans  */
  48     mov         %r1, %r1
  49     fail_ne     %r1, +2147483648
  50     mov32       %r2, -1
  51     mov         %r2, %r2
  52     fail_ne     %r2, +4294967295
  53
  54     pass