isa/rv64uc/sv_c_lwsp_predication.S

   1 # See LICENSE for license details.
   2
   3 #*****************************************************************************
   4 # sv_c_lwsp_predication.S
   5 #-----------------------------------------------------------------------------
   6 #
   7 # Test RVC c.lwsp with twin-predication.
   8 #
   9
  10 #include "riscv_test.h"
  11 #include "sv_test_macros.h"
  12
  13 RVTEST_RV64U
  14 RVTEST_CODE_BEGIN
  15
  16   .align 2
  17   .option push
  18   .option norvc
  19
  20         li          a2, 0
  21         li          a3, 0
  22         li          a4, 0
  23         li          a0, 0x6; // targetted by use of sp: means skip, copy, copy
  24         li          a1, 0x5; // targetted by use of a2: meanss a2, skip, a4
  25
  26
  27   mv a6, sp
  28   la sp, data;
  29
  30         SET_SV_MVL(3)
  31         SET_SV_2CSRS( SV_REG_CSR(1, 12, 0, 12, 1),
  32                       SV_REG_CSR(1, 2, 0, 2, 1) )
  33         SET_SV_2PREDCSRS(
  34                       SV_PRED_CSR(1, 2, 0, 0, 10, 0),
  35                       SV_PRED_CSR(1, 12, 0, 0, 11, 0) );
  36
  37
  38   SET_SV_VL(3)
  39
  40   .option push;
  41   .option rvc;
  42   .align 2;
  43   c.lwsp a2, 0(sp); # actually lw a2, 4(sp); lw a4 8(sp) due to twin-predication
  44   #lw a2, 0(sp);
  45   .option pop
  46
  47
  48         SET_SV_VL(0)
  49         CLR_SV_CSRS()
  50         SET_SV_MVL(0)
  51
  52   mv sp, a6
  53
  54         TEST_SV_IMM(a2, 1002) # data[0] was skipped (a0 & 1 == 0)
  55         TEST_SV_IMM(a3, 0)    # a3 was skipped (a1 & 2 == 0)
  56         TEST_SV_IMM(a4, 1005)
  57
  58   .option pop
  59
  60         RVTEST_PASS           # Signal success.
  61 fail:
  62         RVTEST_FAIL
  63
  64 RVTEST_CODE_END     # End of test code.
  65
  66   .data
  67 data:
  68   .word 1001;
  69   .word 1002;
  70   .word 1005;
  71
  72 RVTEST_DATA_BEGIN
  73
  74 RVTEST_DATA_END