# See LICENSE for license details.

#*****************************************************************************
# rvc.S
#-----------------------------------------------------------------------------
#
# Test RVC corner cases.
#

#include "riscv_test.h"
#include "sv_test_macros.h"

RVTEST_RV64U
RVTEST_CODE_BEGIN

  .align 2
  .option push
  .option norvc

        li          a2, 0 
        li          a3, 0 
        li          a4, 0 
        li          a0, 0x6; // targetted by use of sp: means skip, copy, copy
        li          a1, 0x5; // targetted by use of a2: meanss a2, x, a4


  mv a6, sp
  la sp, data;

        SET_SV_MVL(3)
        SET_SV_2CSRS( SV_REG_CSR(1, 12, 0, 12, 1, 0),
                      SV_REG_CSR(1, 2, 0, 2, 1, 0) )
        SET_SV_2PREDCSRS(
                      SV_PRED_CSR(1, 2, 0, 0, 10, 1),  
                      SV_PRED_CSR(1, 12, 0, 0, 11, 1) );


  SET_SV_VL(3)

  .option push;
  .option rvc; 
  .align 2; 
  c.lwsp a2, 0(sp); # actually lw a2, 4(sp); lw a4 8(sp) due to twin-predication
  #lw a2, 0(sp);
  .option pop


        SET_SV_VL(0)
        CLR_SV_CSRS()
        SET_SV_MVL(0)

  mv sp, a6

        TEST_SV_IMM(a2, 1002) 
        TEST_SV_IMM(a3, 0)
        TEST_SV_IMM(a4, 1005)

  .option pop

        RVTEST_PASS           # Signal success.
fail:
        RVTEST_FAIL

RVTEST_CODE_END     # End of test code.

  .data
data:
  .word 1001;
  .word 1002;
  .word 1005;

RVTEST_DATA_BEGIN

RVTEST_DATA_END