# 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, 1000;
        li          a3, 1001;
        li          a4, 1004;

        SET_SV_MVL(3)
        SET_SV_2CSRS( SV_REG_CSR(1, 12, 0, 12, 1),
                      SV_REG_CSR(1, 2, 0, 28, 1) )
        SET_SV_VL(3)

  # CSR redirects SP (x2) to x28
  la x28, data;

  .option push;
  .option rvc;
  .align 2;
  c.swsp a2, 0(sp); # not SP, actually x28!
  .option pop


        SET_SV_VL(1)
        CLR_SV_CSRS()
        SET_SV_MVL(1)

  la a2, data;
  lw a4, 0(a2);
  lw a5, 4(a2);
  lw a6, 8(a2);

        TEST_SV_IMM(a4, 1000)
        TEST_SV_IMM(a5, 1001)
        TEST_SV_IMM(a6, 1004)

  .option pop

  .align 2
  .option push
  .option norvc

        li          a2, 1000;
        li          a3, 1001;
        li          a4, 1004;

        SET_SV_MVL(3)
        SET_SV_2CSRS( SV_REG_CSR(1, 12, 0, 12, 1),
                      SV_REG_CSR(1, 2, 0, 2, 1) )
        SET_SV_VL(3)

  mv a1, sp
  la sp, data;

  .option push;
  .option rvc;
  .align 2;
  c.swsp a2, 0(sp);
  #lw a2, 0(sp);
  .option pop


        SET_SV_VL(1)
        CLR_SV_CSRS()
        SET_SV_MVL(1)

  mv sp, a1

  la a2, data;
  lw a4, 0(a2);
  lw a5, 4(a2);
  lw a6, 8(a2);

        TEST_SV_IMM(a4, 1000)
        TEST_SV_IMM(a5, 1001)
        TEST_SV_IMM(a6, 1004)

  .option pop

        RVTEST_PASS           # Signal success.
fail:
        RVTEST_FAIL

RVTEST_CODE_END     # End of test code.

  .data
data:
  .word 0;
  .word 0;
  .word 0;

RVTEST_DATA_BEGIN

RVTEST_DATA_END