tests/tcg/xtensa/test_loop.S

   1 .include "macros.inc"
   2
   3 test_suite loop
   4
   5 test loop
   6     movi    a2, 0
   7     movi    a3, 5
   8     loop    a3, 1f
   9     addi    a2, a2, 1
  10 1:
  11     assert  eqi, a2, 5
  12 test_end
  13
  14 test loop0
  15     movi    a2, 0
  16     loop    a2, 1f
  17     rsr     a2, lcount
  18     assert  eqi, a2, -1
  19     j       1f
  20 1:
  21 test_end
  22
  23 test loop_jump
  24     movi    a2, 0
  25     movi    a3, 5
  26     loop    a3, 1f
  27     addi    a2, a2, 1
  28     j       1f
  29 1:
  30     assert  eqi, a2, 1
  31 test_end
  32
  33 test loop_branch
  34     movi    a2, 0
  35     movi    a3, 5
  36     loop    a3, 1f
  37     addi    a2, a2, 1
  38     beqi    a2, 3, 1f
  39 1:
  40     assert  eqi, a2, 3
  41 test_end
  42
  43 test loop_manual
  44     movi    a2, 0
  45     movi    a3, 5
  46     movi    a4, 1f
  47     movi    a5, 2f
  48     wsr     a3, lcount
  49     wsr     a4, lbeg
  50     wsr     a5, lend
  51     isync
  52     j       1f
  53 .align 4
  54 1:
  55     addi    a2, a2, 1
  56 2:
  57     assert  eqi, a2, 6
  58 test_end
  59
  60 test loop_excm
  61     movi    a2, 0
  62     movi    a3, 5
  63     rsr     a4, ps
  64     movi    a5, 0x10
  65     or      a4, a4, a5
  66     wsr     a4, ps
  67     isync
  68     loop    a3, 1f
  69     addi    a2, a2, 1
  70 1:
  71     xor     a4, a4, a5
  72     isync
  73     wsr     a4, ps
  74     assert  eqi, a2, 1
  75 test_end
  76
  77 test_suite_end