SummerCart64/fw/picorv32/tests/test_macros.h

// See LICENSE for license details.

#ifndef __TEST_MACROS_SCALAR_H
#define __TEST_MACROS_SCALAR_H


#-----------------------------------------------------------------------
# Helper macros
#-----------------------------------------------------------------------

#define TEST_CASE( testnum, testreg, correctval, code... ) \
test_ ## testnum: \
    code; \
    li  x29, correctval; \
    li  TESTNUM, testnum; \
    bne testreg, x29, fail;

# We use a macro hack to simpify code generation for various numbers
# of bubble cycles.

#define TEST_INSERT_NOPS_0
#define TEST_INSERT_NOPS_1  nop; TEST_INSERT_NOPS_0
#define TEST_INSERT_NOPS_2  nop; TEST_INSERT_NOPS_1
#define TEST_INSERT_NOPS_3  nop; TEST_INSERT_NOPS_2
#define TEST_INSERT_NOPS_4  nop; TEST_INSERT_NOPS_3
#define TEST_INSERT_NOPS_5  nop; TEST_INSERT_NOPS_4
#define TEST_INSERT_NOPS_6  nop; TEST_INSERT_NOPS_5
#define TEST_INSERT_NOPS_7  nop; TEST_INSERT_NOPS_6
#define TEST_INSERT_NOPS_8  nop; TEST_INSERT_NOPS_7
#define TEST_INSERT_NOPS_9  nop; TEST_INSERT_NOPS_8
#define TEST_INSERT_NOPS_10 nop; TEST_INSERT_NOPS_9


#-----------------------------------------------------------------------
# RV64UI MACROS
#-----------------------------------------------------------------------

#-----------------------------------------------------------------------
# Tests for instructions with immediate operand
#-----------------------------------------------------------------------

#define SEXT_IMM(x) ((x) | (-(((x) >> 11) & 1) << 11))

#define TEST_IMM_OP( testnum, inst, result, val1, imm ) \
    TEST_CASE( testnum, x3, result, \
      li  x1, val1; \
      inst x3, x1, SEXT_IMM(imm); \
    )

#define TEST_IMM_SRC1_EQ_DEST( testnum, inst, result, val1, imm ) \
    TEST_CASE( testnum, x1, result, \
      li  x1, val1; \
      inst x1, x1, SEXT_IMM(imm); \
    )

#define TEST_IMM_DEST_BYPASS( testnum, nop_cycles, inst, result, val1, imm ) \
    TEST_CASE( testnum, x6, result, \
      li  x4, 0; \
1:    li  x1, val1; \
      inst x3, x1, SEXT_IMM(imm); \
      TEST_INSERT_NOPS_ ## nop_cycles \
      addi  x6, x3, 0; \
      addi  x4, x4, 1; \
      li  x5, 2; \
      bne x4, x5, 1b \
    )

#define TEST_IMM_SRC1_BYPASS( testnum, nop_cycles, inst, result, val1, imm ) \
    TEST_CASE( testnum, x3, result, \
      li  x4, 0; \
1:    li  x1, val1; \
      TEST_INSERT_NOPS_ ## nop_cycles \
      inst x3, x1, SEXT_IMM(imm); \
      addi  x4, x4, 1; \
      li  x5, 2; \
      bne x4, x5, 1b \
    )

#define TEST_IMM_ZEROSRC1( testnum, inst, result, imm ) \
    TEST_CASE( testnum, x1, result, \
      inst x1, x0, SEXT_IMM(imm); \
    )

#define TEST_IMM_ZERODEST( testnum, inst, val1, imm ) \
    TEST_CASE( testnum, x0, 0, \
      li  x1, val1; \
      inst x0, x1, SEXT_IMM(imm); \
    )

#-----------------------------------------------------------------------
# Tests for vector config instructions
#-----------------------------------------------------------------------

#define TEST_VSETCFGIVL( testnum, nxpr, nfpr, bank, vl, result ) \
    TEST_CASE( testnum, x1, result, \
      li x1, (bank << 12); \
      vsetcfg x1,nxpr,nfpr; \
      li x1, vl; \
      vsetvl x1,x1; \
    )

#define TEST_VVCFG( testnum, nxpr, nfpr, bank, vl, result ) \
    TEST_CASE( testnum, x1, result, \
      li x1, (bank << 12) | (nfpr << 6) | nxpr; \
      vsetcfg x1; \
      li x1, vl; \
      vsetvl x1,x1; \
    )

#define TEST_VSETVL( testnum, nxpr, nfpr, bank, vl, result ) \
    TEST_CASE( testnum, x1, result, \
      li x1, (bank << 12); \
      vsetcfg x1,nxpr,nfpr; \
      li x1, vl; \
      vsetvl x1, x1; \
    )

#-----------------------------------------------------------------------
# Tests for an instruction with register operands
#-----------------------------------------------------------------------

#define TEST_R_OP( testnum, inst, result, val1 ) \
    TEST_CASE( testnum, x3, result, \
      li  x1, val1; \
      inst x3, x1; \
    )

#define TEST_R_SRC1_EQ_DEST( testnum, inst, result, val1 ) \
    TEST_CASE( testnum, x1, result, \
      li  x1, val1; \
      inst x1, x1; \
    )

#define TEST_R_DEST_BYPASS( testnum, nop_cycles, inst, result, val1 ) \
    TEST_CASE( testnum, x6, result, \
      li  x4, 0; \
1:    li  x1, val1; \
      inst x3, x1; \
      TEST_INSERT_NOPS_ ## nop_cycles \
      addi  x6, x3, 0; \
      addi  x4, x4, 1; \
      li  x5, 2; \
      bne x4, x5, 1b \
    )

#-----------------------------------------------------------------------
# Tests for an instruction with register-register operands
#-----------------------------------------------------------------------

#define TEST_RR_OP( testnum, inst, result, val1, val2 ) \
    TEST_CASE( testnum, x3, result, \
      li  x1, val1; \
      li  x2, val2; \
      inst x3, x1, x2; \
    )

#define TEST_RR_SRC1_EQ_DEST( testnum, inst, result, val1, val2 ) \
    TEST_CASE( testnum, x1, result, \
      li  x1, val1; \
      li  x2, val2; \
      inst x1, x1, x2; \
    )

#define TEST_RR_SRC2_EQ_DEST( testnum, inst, result, val1, val2 ) \
    TEST_CASE( testnum, x2, result, \
      li  x1, val1; \
      li  x2, val2; \
      inst x2, x1, x2; \
    )

#define TEST_RR_SRC12_EQ_DEST( testnum, inst, result, val1 ) \
    TEST_CASE( testnum, x1, result, \
      li  x1, val1; \
      inst x1, x1, x1; \
    )

#define TEST_RR_DEST_BYPASS( testnum, nop_cycles, inst, result, val1, val2 ) \
    TEST_CASE( testnum, x6, result, \
      li  x4, 0; \
1:    li  x1, val1; \
      li  x2, val2; \
      inst x3, x1, x2; \
      TEST_INSERT_NOPS_ ## nop_cycles \
      addi  x6, x3, 0; \
      addi  x4, x4, 1; \
      li  x5, 2; \
      bne x4, x5, 1b \
    )

#define TEST_RR_SRC12_BYPASS( testnum, src1_nops, src2_nops, inst, result, val1, val2 ) \
    TEST_CASE( testnum, x3, result, \
      li  x4, 0; \
1:    li  x1, val1; \
      TEST_INSERT_NOPS_ ## src1_nops \
      li  x2, val2; \
      TEST_INSERT_NOPS_ ## src2_nops \
      inst x3, x1, x2; \
      addi  x4, x4, 1; \
      li  x5, 2; \
      bne x4, x5, 1b \
    )

#define TEST_RR_SRC21_BYPASS( testnum, src1_nops, src2_nops, inst, result, val1, val2 ) \
    TEST_CASE( testnum, x3, result, \
      li  x4, 0; \
1:    li  x2, val2; \
      TEST_INSERT_NOPS_ ## src1_nops \
      li  x1, val1; \
      TEST_INSERT_NOPS_ ## src2_nops \
      inst x3, x1, x2; \
      addi  x4, x4, 1; \
      li  x5, 2; \
      bne x4, x5, 1b \
    )

#define TEST_RR_ZEROSRC1( testnum, inst, result, val ) \
    TEST_CASE( testnum, x2, result, \
      li x1, val; \
      inst x2, x0, x1; \
    )

#define TEST_RR_ZEROSRC2( testnum, inst, result, val ) \
    TEST_CASE( testnum, x2, result, \
      li x1, val; \
      inst x2, x1, x0; \
    )

#define TEST_RR_ZEROSRC12( testnum, inst, result ) \
    TEST_CASE( testnum, x1, result, \
      inst x1, x0, x0; \
    )

#define TEST_RR_ZERODEST( testnum, inst, val1, val2 ) \
    TEST_CASE( testnum, x0, 0, \
      li x1, val1; \
      li x2, val2; \
      inst x0, x1, x2; \
    )

#-----------------------------------------------------------------------
# Test memory instructions
#-----------------------------------------------------------------------

#define TEST_LD_OP( testnum, inst, result, offset, base ) \
    TEST_CASE( testnum, x3, result, \
      la  x1, base; \
      inst x3, offset(x1); \
    )

#define TEST_ST_OP( testnum, load_inst, store_inst, result, offset, base ) \
    TEST_CASE( testnum, x3, result, \
      la  x1, base; \
      li  x2, result; \
      store_inst x2, offset(x1); \
      load_inst x3, offset(x1); \
    )

#define TEST_LD_DEST_BYPASS( testnum, nop_cycles, inst, result, offset, base ) \
test_ ## testnum: \
    li  TESTNUM, testnum; \
    li  x4, 0; \
1:  la  x1, base; \
    inst x3, offset(x1); \
    TEST_INSERT_NOPS_ ## nop_cycles \
    addi  x6, x3, 0; \
    li  x29, result; \
    bne x6, x29, fail; \
    addi  x4, x4, 1; \
    li  x5, 2; \
    bne x4, x5, 1b; \

#define TEST_LD_SRC1_BYPASS( testnum, nop_cycles, inst, result, offset, base ) \
test_ ## testnum: \
    li  TESTNUM, testnum; \
    li  x4, 0; \
1:  la  x1, base; \
    TEST_INSERT_NOPS_ ## nop_cycles \
    inst x3, offset(x1); \
    li  x29, result; \
    bne x3, x29, fail; \
    addi  x4, x4, 1; \
    li  x5, 2; \
    bne x4, x5, 1b \

#define TEST_ST_SRC12_BYPASS( testnum, src1_nops, src2_nops, load_inst, store_inst, result, offset, base ) \
test_ ## testnum: \
    li  TESTNUM, testnum; \
    li  x4, 0; \
1:  li  x1, result; \
    TEST_INSERT_NOPS_ ## src1_nops \
    la  x2, base; \
    TEST_INSERT_NOPS_ ## src2_nops \
    store_inst x1, offset(x2); \
    load_inst x3, offset(x2); \
    li  x29, result; \
    bne x3, x29, fail; \
    addi  x4, x4, 1; \
    li  x5, 2; \
    bne x4, x5, 1b \

#define TEST_ST_SRC21_BYPASS( testnum, src1_nops, src2_nops, load_inst, store_inst, result, offset, base ) \
test_ ## testnum: \
    li  TESTNUM, testnum; \
    li  x4, 0; \
1:  la  x2, base; \
    TEST_INSERT_NOPS_ ## src1_nops \
    li  x1, result; \
    TEST_INSERT_NOPS_ ## src2_nops \
    store_inst x1, offset(x2); \
    load_inst x3, offset(x2); \
    li  x29, result; \
    bne x3, x29, fail; \
    addi  x4, x4, 1; \
    li  x5, 2; \
    bne x4, x5, 1b \

#-----------------------------------------------------------------------
# Test branch instructions
#-----------------------------------------------------------------------

#define TEST_BR1_OP_TAKEN( testnum, inst, val1 ) \
test_ ## testnum: \
    li  TESTNUM, testnum; \
    li  x1, val1; \
    inst x1, 2f; \
    bne x0, TESTNUM, fail; \
1:  bne x0, TESTNUM, 3f; \
2:  inst x1, 1b; \
    bne x0, TESTNUM, fail; \
3:

#define TEST_BR1_OP_NOTTAKEN( testnum, inst, val1 ) \
test_ ## testnum: \
    li  TESTNUM, testnum; \
    li  x1, val1; \
    inst x1, 1f; \
    bne x0, TESTNUM, 2f; \
1:  bne x0, TESTNUM, fail; \
2:  inst x1, 1b; \
3:

#define TEST_BR1_SRC1_BYPASS( testnum, nop_cycles, inst, val1 ) \
test_ ## testnum: \
    li  TESTNUM, testnum; \
    li  x4, 0; \
1:  li  x1, val1; \
    TEST_INSERT_NOPS_ ## nop_cycles \
    inst x1, fail; \
    addi  x4, x4, 1; \
    li  x5, 2; \
    bne x4, x5, 1b \

#define TEST_BR2_OP_TAKEN( testnum, inst, val1, val2 ) \
test_ ## testnum: \
    li  TESTNUM, testnum; \
    li  x1, val1; \
    li  x2, val2; \
    inst x1, x2, 2f; \
    bne x0, TESTNUM, fail; \
1:  bne x0, TESTNUM, 3f; \
2:  inst x1, x2, 1b; \
    bne x0, TESTNUM, fail; \
3:

#define TEST_BR2_OP_NOTTAKEN( testnum, inst, val1, val2 ) \
test_ ## testnum: \
    li  TESTNUM, testnum; \
    li  x1, val1; \
    li  x2, val2; \
    inst x1, x2, 1f; \
    bne x0, TESTNUM, 2f; \
1:  bne x0, TESTNUM, fail; \
2:  inst x1, x2, 1b; \
3:

#define TEST_BR2_SRC12_BYPASS( testnum, src1_nops, src2_nops, inst, val1, val2 ) \
test_ ## testnum: \
    li  TESTNUM, testnum; \
    li  x4, 0; \
1:  li  x1, val1; \
    TEST_INSERT_NOPS_ ## src1_nops \
    li  x2, val2; \
    TEST_INSERT_NOPS_ ## src2_nops \
    inst x1, x2, fail; \
    addi  x4, x4, 1; \
    li  x5, 2; \
    bne x4, x5, 1b \

#define TEST_BR2_SRC21_BYPASS( testnum, src1_nops, src2_nops, inst, val1, val2 ) \
test_ ## testnum: \
    li  TESTNUM, testnum; \
    li  x4, 0; \
1:  li  x2, val2; \
    TEST_INSERT_NOPS_ ## src1_nops \
    li  x1, val1; \
    TEST_INSERT_NOPS_ ## src2_nops \
    inst x1, x2, fail; \
    addi  x4, x4, 1; \
    li  x5, 2; \
    bne x4, x5, 1b \

#-----------------------------------------------------------------------
# Test jump instructions
#-----------------------------------------------------------------------

#define TEST_JR_SRC1_BYPASS( testnum, nop_cycles, inst ) \
test_ ## testnum: \
    li  TESTNUM, testnum; \
    li  x4, 0; \
1:  la  x6, 2f; \
    TEST_INSERT_NOPS_ ## nop_cycles \
    inst x6; \
    bne x0, TESTNUM, fail; \
2:  addi  x4, x4, 1; \
    li  x5, 2; \
    bne x4, x5, 1b \

#define TEST_JALR_SRC1_BYPASS( testnum, nop_cycles, inst ) \
test_ ## testnum: \
    li  TESTNUM, testnum; \
    li  x4, 0; \
1:  la  x6, 2f; \
    TEST_INSERT_NOPS_ ## nop_cycles \
    inst x19, x6, 0; \
    bne x0, TESTNUM, fail; \
2:  addi  x4, x4, 1; \
    li  x5, 2; \
    bne x4, x5, 1b \


#-----------------------------------------------------------------------
# RV64UF MACROS
#-----------------------------------------------------------------------

#-----------------------------------------------------------------------
# Tests floating-point instructions
#-----------------------------------------------------------------------

#define TEST_FP_OP_S_INTERNAL( testnum, flags, result, val1, val2, val3, code... ) \
test_ ## testnum: \
  li  TESTNUM, testnum; \
  la  a0, test_ ## testnum ## _data ;\
  flw f0, 0(a0); \
  flw f1, 4(a0); \
  flw f2, 8(a0); \
  lw  a3, 12(a0); \
  code; \
  fsflags a1, x0; \
  li a2, flags; \
  bne a0, a3, fail; \
  bne a1, a2, fail; \
  j 2f; \
  .align 2; \
  .data; \
  test_ ## testnum ## _data: \
  .float val1; \
  .float val2; \
  .float val3; \
  .result; \
  .text; \
2:

#define TEST_FP_OP_D_INTERNAL( testnum, flags, result, val1, val2, val3, code... ) \
test_ ## testnum: \
  li  TESTNUM, testnum; \
  la  a0, test_ ## testnum ## _data ;\
  fld f0, 0(a0); \
  fld f1, 8(a0); \
  fld f2, 16(a0); \
  ld  a3, 24(a0); \
  code; \
  fsflags a1, x0; \
  li a2, flags; \
  bne a0, a3, fail; \
  bne a1, a2, fail; \
  j 2f; \
  .data; \
  .align 3; \
  test_ ## testnum ## _data: \
  .double val1; \
  .double val2; \
  .double val3; \
  .result; \
  .text; \
2:

#define TEST_FCVT_S_D( testnum, result, val1 ) \
  TEST_FP_OP_D_INTERNAL( testnum, 0, double result, val1, 0.0, 0.0, \
                    fcvt.s.d f3, f0; fcvt.d.s f3, f3; fmv.x.d a0, f3)

#define TEST_FCVT_D_S( testnum, result, val1 ) \
  TEST_FP_OP_S_INTERNAL( testnum, 0, float result, val1, 0.0, 0.0, \
                    fcvt.d.s f3, f0; fcvt.s.d f3, f3; fmv.x.s a0, f3)

#define TEST_FP_OP1_S( testnum, inst, flags, result, val1 ) \
  TEST_FP_OP_S_INTERNAL( testnum, flags, float result, val1, 0.0, 0.0, \
                    inst f3, f0; fmv.x.s a0, f3)

#define TEST_FP_OP1_D( testnum, inst, flags, result, val1 ) \
  TEST_FP_OP_D_INTERNAL( testnum, flags, double result, val1, 0.0, 0.0, \
                    inst f3, f0; fmv.x.d a0, f3)

#define TEST_FP_OP2_S( testnum, inst, flags, result, val1, val2 ) \
  TEST_FP_OP_S_INTERNAL( testnum, flags, float result, val1, val2, 0.0, \
                    inst f3, f0, f1; fmv.x.s a0, f3)

#define TEST_FP_OP2_D( testnum, inst, flags, result, val1, val2 ) \
  TEST_FP_OP_D_INTERNAL( testnum, flags, double result, val1, val2, 0.0, \
                    inst f3, f0, f1; fmv.x.d a0, f3)

#define TEST_FP_OP3_S( testnum, inst, flags, result, val1, val2, val3 ) \
  TEST_FP_OP_S_INTERNAL( testnum, flags, float result, val1, val2, val3, \
                    inst f3, f0, f1, f2; fmv.x.s a0, f3)

#define TEST_FP_OP3_D( testnum, inst, flags, result, val1, val2, val3 ) \
  TEST_FP_OP_D_INTERNAL( testnum, flags, double result, val1, val2, val3, \
                    inst f3, f0, f1, f2; fmv.x.d a0, f3)

#define TEST_FP_INT_OP_S( testnum, inst, flags, result, val1, rm ) \
  TEST_FP_OP_S_INTERNAL( testnum, flags, word result, val1, 0.0, 0.0, \
                    inst a0, f0, rm)

#define TEST_FP_INT_OP_D( testnum, inst, flags, result, val1, rm ) \
  TEST_FP_OP_D_INTERNAL( testnum, flags, dword result, val1, 0.0, 0.0, \
                    inst a0, f0, rm)

#define TEST_FP_CMP_OP_S( testnum, inst, result, val1, val2 ) \
  TEST_FP_OP_S_INTERNAL( testnum, 0, word result, val1, val2, 0.0, \
                    inst a0, f0, f1)

#define TEST_FP_CMP_OP_D( testnum, inst, result, val1, val2 ) \
  TEST_FP_OP_D_INTERNAL( testnum, 0, dword result, val1, val2, 0.0, \
                    inst a0, f0, f1)

#define TEST_INT_FP_OP_S( testnum, inst, result, val1 ) \
test_ ## testnum: \
  li  TESTNUM, testnum; \
  la  a0, test_ ## testnum ## _data ;\
  lw  a3, 0(a0); \
  li  a0, val1; \
  inst f0, a0; \
  fsflags x0; \
  fmv.x.s a0, f0; \
  bne a0, a3, fail; \
  j 1f; \
  .align 2; \
  test_ ## testnum ## _data: \
  .float result; \
1:

#define TEST_INT_FP_OP_D( testnum, inst, result, val1 ) \
test_ ## testnum: \
  li  TESTNUM, testnum; \
  la  a0, test_ ## testnum ## _data ;\
  ld  a3, 0(a0); \
  li  a0, val1; \
  inst f0, a0; \
  fsflags x0; \
  fmv.x.d a0, f0; \
  bne a0, a3, fail; \
  j 1f; \
  .align 3; \
  test_ ## testnum ## _data: \
  .double result; \
1:

#-----------------------------------------------------------------------
# Pass and fail code (assumes test num is in TESTNUM)
#-----------------------------------------------------------------------

#define TEST_PASSFAIL \
        bne x0, TESTNUM, pass; \
fail: \
        RVTEST_FAIL; \
pass: \
        RVTEST_PASS \


#-----------------------------------------------------------------------
# Test data section
#-----------------------------------------------------------------------

#define TEST_DATA

#endif