isa/rv64ui/fence_i.S

   1 # See LICENSE for license details.
   2
   3 #*****************************************************************************
   4 # fence_i.S
   5 #-----------------------------------------------------------------------------
   6 #
   7 # Test self-modifying code and the fence.i instruction.
   8 #
   9
  10 #include "riscv_test.h"
  11 #include "test_macros.h"
  12
  13 RVTEST_RV64U
  14 RVTEST_CODE_BEGIN
  15
  16 li a3, 111
  17 lh a0, insn
  18 lh a1, insn+2
  19
  20 # test I$ hit
  21 .align 6
  22 sh a0, 1f, t0
  23 sh a1, 1f+2, t0
  24 fence.i
  25
  26 1: addi a3, a3, 222
  27 TEST_CASE( 2, a3, 444, nop )
  28
  29 # test prefetcher hit
  30 li a4, 100
  31 1: addi a4, a4, -1
  32 bnez a4, 1b
  33
  34 sh a0, 1f, t0
  35 sh a1, 1f+2, t0
  36 fence.i
  37
  38 .align 6
  39 1: addi a3, a3, 555
  40 TEST_CASE( 3, a3, 777, nop )
  41
  42 TEST_PASSFAIL
  43
  44 RVTEST_CODE_END
  45
  46   .data
  47 RVTEST_DATA_BEGIN
  48
  49   TEST_DATA
  50
  51 insn:
  52   addi a3, a3, 333
  53
  54 RVTEST_DATA_END