isa/rv64ui/jalr.S

   1 # See LICENSE for license details.
   2
   3 #*****************************************************************************
   4 # jalr.S
   5 #-----------------------------------------------------------------------------
   6 #
   7 # Test jalr instruction.
   8 #
   9
  10 #include "riscv_test.h"
  11 #include "test_macros.h"
  12
  13 RVTEST_RV64U
  14 RVTEST_CODE_BEGIN
  15
  16   #-------------------------------------------------------------
  17   # Test 2: Basic test
  18   #-------------------------------------------------------------
  19
  20 test_2:
  21   li  TESTNUM, 2
  22   li  x31, 0
  23   la  x2, target_2
  24
  25 linkaddr_2:
  26   jalr x19, x2, 0
  27   nop
  28   nop
  29
  30   j fail
  31
  32 target_2:
  33   la  x1, linkaddr_2
  34   addi x1, x1, 4
  35   bne x1, x19, fail
  36
  37   #-------------------------------------------------------------
  38   # Test 3: Check r0 target and that r31 is not modified
  39   #-------------------------------------------------------------
  40
  41 test_3:
  42   li  TESTNUM, 3
  43   li  x31, 0
  44   la  x3, target_3
  45
  46 linkaddr_3:
  47   jalr x0, x3, 0
  48   nop
  49
  50   j fail
  51
  52 target_3:
  53   bne x31, x0, fail
  54
  55   #-------------------------------------------------------------
  56   # Bypassing tests
  57   #-------------------------------------------------------------
  58
  59   TEST_JALR_SRC1_BYPASS( 4, 0, jalr );
  60   TEST_JALR_SRC1_BYPASS( 5, 1, jalr );
  61   TEST_JALR_SRC1_BYPASS( 6, 2, jalr );
  62
  63   #-------------------------------------------------------------
  64   # Test delay slot instructions not executed nor bypassed
  65   #-------------------------------------------------------------
  66
  67   TEST_CASE( 7, x1, 4, \
  68     li  x1, 1; \
  69     la  x2, 1f;
  70     jalr x19, x2, -4; \
  71     addi x1, x1, 1; \
  72     addi x1, x1, 1; \
  73     addi x1, x1, 1; \
  74     addi x1, x1, 1; \
  75 1:  addi x1, x1, 1; \
  76     addi x1, x1, 1; \
  77   )
  78
  79   TEST_PASSFAIL
  80
  81 RVTEST_CODE_END
  82
  83   .data
  84 RVTEST_DATA_BEGIN
  85
  86   TEST_DATA
  87
  88 RVTEST_DATA_END