isa/rv32ui/blt.S

   1 # See LICENSE for license details.
   2
   3 #*****************************************************************************
   4 # blt.S
   5 #-----------------------------------------------------------------------------
   6 #
   7 # Test blt instruction.
   8 #
   9
  10 #include "riscv_test.h"
  11 #include "test_macros.h"
  12
  13 RVTEST_RV32U
  14 RVTEST_CODE_BEGIN
  15
  16   #-------------------------------------------------------------
  17   # Branch tests
  18   #-------------------------------------------------------------
  19
  20   # Each test checks both forward and backward branches
  21
  22   TEST_BR2_OP_TAKEN( 2, blt,  0,  1 );
  23   TEST_BR2_OP_TAKEN( 3, blt, -1,  1 );
  24   TEST_BR2_OP_TAKEN( 4, blt, -2, -1 );
  25
  26   TEST_BR2_OP_NOTTAKEN( 5, blt,  1,  0 );
  27   TEST_BR2_OP_NOTTAKEN( 6, blt,  1, -1 );
  28   TEST_BR2_OP_NOTTAKEN( 7, blt, -1, -2 );
  29   TEST_BR2_OP_NOTTAKEN( 8, blt,  1, -2 );
  30
  31   #-------------------------------------------------------------
  32   # Bypassing tests
  33   #-------------------------------------------------------------
  34
  35   TEST_BR2_SRC12_BYPASS( 9,  0, 0, blt, 0, -1 );
  36   TEST_BR2_SRC12_BYPASS( 10, 0, 1, blt, 0, -1 );
  37   TEST_BR2_SRC12_BYPASS( 11, 0, 2, blt, 0, -1 );
  38   TEST_BR2_SRC12_BYPASS( 12, 1, 0, blt, 0, -1 );
  39   TEST_BR2_SRC12_BYPASS( 13, 1, 1, blt, 0, -1 );
  40   TEST_BR2_SRC12_BYPASS( 14, 2, 0, blt, 0, -1 );
  41
  42   TEST_BR2_SRC12_BYPASS( 15, 0, 0, blt, 0, -1 );
  43   TEST_BR2_SRC12_BYPASS( 16, 0, 1, blt, 0, -1 );
  44   TEST_BR2_SRC12_BYPASS( 17, 0, 2, blt, 0, -1 );
  45   TEST_BR2_SRC12_BYPASS( 18, 1, 0, blt, 0, -1 );
  46   TEST_BR2_SRC12_BYPASS( 19, 1, 1, blt, 0, -1 );
  47   TEST_BR2_SRC12_BYPASS( 20, 2, 0, blt, 0, -1 );
  48
  49   #-------------------------------------------------------------
  50   # Test delay slot instructions not executed nor bypassed
  51   #-------------------------------------------------------------
  52
  53   TEST_CASE( 21, x1, 3, \
  54     li  x1, 1; \
  55     blt x0, x1, 1f; \
  56     addi x1, x1, 1; \
  57     addi x1, x1, 1; \
  58     addi x1, x1, 1; \
  59     addi x1, x1, 1; \
  60 1:  addi x1, x1, 1; \
  61     addi x1, x1, 1; \
  62   )
  63
  64   TEST_PASSFAIL
  65
  66 RVTEST_CODE_END
  67
  68   .data
  69 RVTEST_DATA_BEGIN
  70
  71   TEST_DATA
  72
  73 RVTEST_DATA_END