isa/rv32ui/sb.S

   1 # See LICENSE for license details.
   2
   3 #*****************************************************************************
   4 # sb.S
   5 #-----------------------------------------------------------------------------
   6 #
   7 # Test sb instruction.
   8 #
   9
  10 #include "riscv_test.h"
  11 #include "test_macros.h"
  12
  13 RVTEST_RV32U
  14 RVTEST_CODE_BEGIN
  15
  16   #-------------------------------------------------------------
  17   # Basic tests
  18   #-------------------------------------------------------------
  19
  20   TEST_ST_OP( 2, lb, sb, 0xffffffaa, 0, tdat );
  21   TEST_ST_OP( 3, lb, sb, 0x00000000, 1, tdat );
  22 #ifdef __RISCVEL
  23   TEST_ST_OP( 4, lh, sb, 0xffffefa0, 2, tdat );
  24 #elif defined(__RISCVEB)
  25 #else
  26   TEST_ST_OP( 4, lh, sb, 0xffffa0ef, 2, tdat );
  27 #error unknown endianness!
  28 #endif
  29   TEST_ST_OP( 5, lb, sb, 0x0000000a, 3, tdat );
  30
  31   # Test with negative offset
  32
  33   TEST_ST_OP( 6, lb, sb, 0xffffffaa, -3, tdat8 );
  34   TEST_ST_OP( 7, lb, sb, 0x00000000, -2, tdat8 );
  35   TEST_ST_OP( 8, lb, sb, 0xffffffa0, -1, tdat8 );
  36   TEST_ST_OP( 9, lb, sb, 0x0000000a, 0,  tdat8 );
  37
  38   # Test with a negative base
  39
  40   TEST_CASE( 10, x3, 0x78, \
  41     la  x1, tdat9; \
  42     li  x2, 0x12345678; \
  43     addi x4, x1, -32; \
  44     sb x2, 32(x4); \
  45     lb x3, 0(x1); \
  46   )
  47
  48   # Test with unaligned base
  49
  50   TEST_CASE( 11, x3, 0xffffff98, \
  51     la  x1, tdat9; \
  52     li  x2, 0x00003098; \
  53     addi x1, x1, -6; \
  54     sb x2, 7(x1); \
  55     la  x4, tdat10; \
  56     lb x3, 0(x4); \
  57   )
  58
  59   #-------------------------------------------------------------
  60   # Bypassing tests
  61   #-------------------------------------------------------------
  62
  63   TEST_ST_SRC12_BYPASS( 12, 0, 0, lb, sb, 0xffffffdd, 0, tdat );
  64   TEST_ST_SRC12_BYPASS( 13, 0, 1, lb, sb, 0xffffffcd, 1, tdat );
  65   TEST_ST_SRC12_BYPASS( 14, 0, 2, lb, sb, 0xffffffcc, 2, tdat );
  66   TEST_ST_SRC12_BYPASS( 15, 1, 0, lb, sb, 0xffffffbc, 3, tdat );
  67   TEST_ST_SRC12_BYPASS( 16, 1, 1, lb, sb, 0xffffffbb, 4, tdat );
  68   TEST_ST_SRC12_BYPASS( 17, 2, 0, lb, sb, 0xffffffab, 5, tdat );
  69
  70   TEST_ST_SRC21_BYPASS( 18, 0, 0, lb, sb, 0x33, 0, tdat );
  71   TEST_ST_SRC21_BYPASS( 19, 0, 1, lb, sb, 0x23, 1, tdat );
  72   TEST_ST_SRC21_BYPASS( 20, 0, 2, lb, sb, 0x22, 2, tdat );
  73   TEST_ST_SRC21_BYPASS( 21, 1, 0, lb, sb, 0x12, 3, tdat );
  74   TEST_ST_SRC21_BYPASS( 22, 1, 1, lb, sb, 0x11, 4, tdat );
  75   TEST_ST_SRC21_BYPASS( 23, 2, 0, lb, sb, 0x01, 5, tdat );
  76
  77   li a0, 0xef
  78   la a1, tdat
  79   sb a0, 3(a1)
  80
  81   TEST_PASSFAIL
  82
  83 RVTEST_CODE_END
  84
  85   .data
  86 RVTEST_DATA_BEGIN
  87
  88   TEST_DATA
  89
  90 tdat:
  91 tdat1:  .byte 0xef
  92 tdat2:  .byte 0xef
  93 tdat3:  .byte 0xef
  94 tdat4:  .byte 0xef
  95 tdat5:  .byte 0xef
  96 tdat6:  .byte 0xef
  97 tdat7:  .byte 0xef
  98 tdat8:  .byte 0xef
  99 tdat9:  .byte 0xef
 100 tdat10: .byte 0xef
 101
 102 RVTEST_DATA_END