sim/testsuite/bpf/endle.s

   1 # mach: bpf
   2 # output: pass\nexit 0 (0x0)\n
   3 /* endle.s
   4    Tests for BPF endianness-conversion instructions in simulator
   5    running in LITTLE ENDIAN
   6
   7    Both 'be' and 'le' ISAs have both endbe and endle instructions.  */
   8
   9     .include "testutils.inc"
  10
  11     .text
  12     .global main
  13     .type main, @function
  14 main:
  15     lddw        %r1, 0x12345678deadbeef
  16     endbe       %r1, 64
  17     fail_ne     %r1, 0xefbeadde78563412
  18     endbe       %r1, 64
  19     fail_ne     %r1, 0x12345678deadbeef
  20
  21     /* `bitsize` < 64 will truncate  */
  22     endbe       %r1, 32
  23     fail_ne     %r1, 0xefbeadde
  24     endbe       %r1, 32
  25     fail_ne     %r1, 0xdeadbeef
  26
  27     endbe       %r1, 16
  28     fail_ne     %r1, 0xefbe
  29     endbe       %r1, 16
  30     fail_ne     %r1, 0xbeef
  31
  32     /* endle on le should be noop (except truncate)  */
  33     lddw        %r1, 0x12345678deadbeef
  34     endle       %r1, 64
  35     fail_ne     %r1, 0x12345678deadbeef
  36
  37     endle       %r1, 32
  38     fail_ne     %r1, 0xdeadbeef
  39
  40     endle       %r1, 16
  41     fail_ne     %r1, 0xbeef
  42
  43     pass