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tests.py
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tests.py
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import numpy as np
from machine import *
# uncomment below to use the tinyfive PyPi package instead of ./machine.py
# from tinyfive.machine import *
# this file performs the following tests:
# 1) floating point tests from the official RISC-V unit tests
# 2) ALU instruction tests (arithmetic, logic, shift) derived from the
# official RISC-V test suite
# 3) a few basic load/store tests
#
# source for (1):
# The official RISC-V unit tests are here:
# https://github.com/riscv-software-src/riscv-tests
# Specifically, the following files and folders have been used:
# isa/macros/scalar/test_macros.h : macros TEST_FP_OP*_S
# isa/rv64uf : testcase from various *.s files
# The original copyright and license notice of the RISC-V
# unit tests is as follows:
# Copyright (c) 2012-2015, The Regents of the University of California (Regents).
# All Rights Reserved.
#
# source for (2):
# The official RISC-V test-suite is here:
# https://github.com/riscv-non-isa/riscv-arch-test/blob/main/riscv-test-suite
# Specifically, the following files and folders have been used:
# env/arch_test.h : macros TEST_RR_OP and TEST_IMM_OP
# rv32i_m/I/src : testcases from various *.s files
# The original copyright and license notice of the official RISC-V
# test-suite is as follows:
# // Copyright (c) 2020. RISC-V International. All rights reserved.
# // SPDX-License-Identifier: BSD-3-Clause
m = machine(mem_size=1000) # instantiate RISC-V machine with 1KB of memory
#-------------------------------------------------------------------------------
# functions for (1) and (2)
#-------------------------------------------------------------------------------
def i32(x): return np.int32(x) # convert to 32-bit signed
def check(inst, res, correctval):
if (res != i32(correctval)):
print('FAIL ' + inst + ' res = ' + str(res) + ' ref = ' + str(i32(correctval)))
return int(res != i32(correctval))
def test_rr(m, inst, rd, rs1, rs2, correctval, val1, val2):
"""similar to TEST_RR_OP from file arch_test.h of the official test suite"""
m.clear_cpu()
m.x[rs1] = val1
m.x[rs2] = val2
m.asm(inst, rd, rs1, rs2)
m.exe(start=0, instructions=1)
return check(inst, m.x[rd], correctval)
def test_imm(m, inst, rd, rs1, correctval, val1, imm):
"""similar to TEST_IMM_OP from arch_test.h of the official test suite"""
m.clear_cpu()
m.x[rs1] = val1
m.asm(inst, rd, rs1, imm)
m.exe(start=0, instructions=1)
return check(inst, m.x[rd], correctval)
""" TODO: for debug only, eventually remove it
def debug_test_rr(m, inst, rd, rs1, rs2, correctval, val1, val2):
m.clear_cpu()
m.x[rs1] = val1
m.x[rs2] = val2
if inst == 'add' : m.ADD (rd, rs1, rs2)
elif inst == 'sub' : m.SUB (rd, rs1, rs2)
elif inst == 'sll' : m.SLL (rd, rs1, rs2)
elif inst == 'slt' : m.SLT (rd, rs1, rs2)
elif inst == 'sltu': m.SLTU(rd, rs1, rs2)
elif inst == 'xor' : m.XOR (rd, rs1, rs2)
elif inst == 'srl' : m.SRL (rd, rs1, rs2)
elif inst == 'sra' : m.SRA (rd, rs1, rs2)
elif inst == 'or' : m.OR (rd, rs1, rs2)
elif inst == 'and' : m.AND (rd, rs1, rs2)
return check(inst, m.x[rd], correctval)
def debug_test_imm(m, inst, rd, rs1, correctval, val1, imm):
m.clear_cpu()
m.x[rs1] = val1
if inst == 'addi' : m.ADDI (rd, rs1, imm)
elif inst == 'slti' : m.SLTI (rd, rs1, imm)
elif inst == 'sltiu': m.SLTIU(rd, rs1, imm)
elif inst == 'xori' : m.XORI (rd, rs1, imm)
elif inst == 'ori' : m.ORI (rd, rs1, imm)
elif inst == 'andi' : m.ANDI (rd, rs1, imm)
elif inst == 'slli' : m.SLLI (rd, rs1, imm)
elif inst == 'srli' : m.SRLI (rd, rs1, imm)
elif inst == 'srai' : m.SRAI (rd, rs1, imm)
return check(inst, m.x[rd], correctval)
"""
#-------------------------------------------------------------------------------
# functions for floating point
def check_fp(inst, res, correctval):
error = not ((res == np.float32(correctval)) or
(np.isnan(res) and np.isnan(correctval)))
if error:
print('FAIL ' + inst + ' res = ' + str(res) + ' ref = ' +
str(np.float32(correctval)))
return int(error)
def test_fp(m, inst, correctval, val1, val2=0.0, val3=0.0):
"""similar to TEST_FP_OP*_S from isa/macros/scalar/test_macros.h"""
m.clear_cpu()
m.f[1] = val1
m.f[2] = val2
m.f[3] = val3
rd = 10
if inst in ['fmv.w.x', 'fcvt.s.w', 'fcvt.s.wu']:
m.x[1] = val1
m.asm(inst, rd, 1, 2, 3)
m.exe(start=0, instructions=1)
if inst in ['feq.s', 'fle.s', 'flt.s', 'fcvt.w.s', 'fcvt.wu.s', 'fclass.s']:
return check(inst, m.x[rd], correctval)
else:
return check_fp(inst, m.f[rd], correctval)
# TODO: add check for floating point flags, as done in TEST_FP_OP*_S
""" TODO: for debug only, eventually remove it
def debug_test_fp(m, inst, correctval, val1, val2=0.0, val3=0.0):
m.clear_cpu()
m.f[1] = val1
m.f[2] = val2
m.f[3] = val3
rd = 10
if inst in ['fmv.w.x', 'fcvt.s.w', 'fcvt.s.wu']:
m.x[1] = val1
if inst == 'fadd.s' : m.FADD_S (rd, 1, 2)
elif inst == 'fsub.s' : m.FSUB_S (rd, 1, 2)
elif inst == 'fmul.s' : m.FMUL_S (rd, 1, 2)
elif inst == 'fdiv.s' : m.FDIV_S (rd, 1, 2)
elif inst == 'fsqrt.s' : m.FSQRT_S (rd, 1)
elif inst == 'fmin.s' : m.FMIN_S (rd, 1, 2)
elif inst == 'fmax.s' : m.FMAX_S (rd, 1, 2)
elif inst == 'fmadd.s' : m.FMADD_S (rd, 1, 2, 3)
elif inst == 'fmsub.s' : m.FMSUB_S (rd, 1, 2, 3)
elif inst == 'fnmadd.s' : m.FNMADD_S (rd, 1, 2, 3)
elif inst == 'fnmsub.s' : m.FNMSUB_S (rd, 1, 2, 3)
elif inst == 'feq.s' : m.FEQ_S (rd, 1, 2)
elif inst == 'fle.s' : m.FLE_S (rd, 1, 2)
elif inst == 'flt.s' : m.FLT_S (rd, 1, 2)
elif inst == 'fcvt.s.w' : m.FCVT_S_W (rd, 1)
elif inst == 'fcvt.s.wu': m.FCVT_S_WU(rd, 1)
elif inst == 'fcvt.w.s' : m.FCVT_W_S (rd, 1)
elif inst == 'fcvt.wu.s': m.FCVT_WU_S(rd, 1)
elif inst == 'fclass.s' : m.FCLASS_S (rd, 1)
if inst in ['feq.s', 'fle.s', 'flt.s', 'fcvt.w.s', 'fcvt.wu.s', 'fclass.s']:
return check(inst, m.x[rd], correctval)
else:
return check_fp(inst, m.f[rd], correctval)
"""
qNaN = m.b2f(0x7fc00000)
sNaN = m.b2f(0x7f800001)
NaN = np.nan
#-------------------------------------------------------------------------------
# floating point unit tests
#-------------------------------------------------------------------------------
# fadd, fsub, fmul
err = 0
err += test_fp(m, 'fadd.s', 3.5, 2.5, 1.0)
err += test_fp(m, 'fadd.s', -1234, -1235.1, 1.1)
err += test_fp(m, 'fadd.s', 3.14159265, 3.14159265, 0.00000001)
err += test_fp(m, 'fsub.s', 1.5, 2.5, 1.0)
err += test_fp(m, 'fsub.s', -1234, -1235.1, -1.1)
err += test_fp(m, 'fsub.s', 3.14159265, 3.14159265, 0.00000001)
err += test_fp(m, 'fmul.s', 2.5, 2.5, 1.0)
err += test_fp(m, 'fmul.s', 1358.61, -1235.1, -1.1)
err += test_fp(m, 'fmul.s', 3.14159265e-8, 3.14159265, 0.00000001)
err += test_fp(m, 'fsub.s', np.nan, np.inf, np.inf)
# fmin, fmax
# TODO: fix the tests that are commented out below
err += test_fp(m, 'fmin.s', 1.0, 2.5, 1.0)
err += test_fp(m, 'fmin.s', -1235.1, -1235.1, 1.1)
err += test_fp(m, 'fmin.s', -1235.1, 1.1, -1235.1)
#err+= test_fp(m, 'fmin.s', -1235.1, NaN, -1235.1)
err += test_fp(m, 'fmin.s', 0.00000001, 3.14159265, 0.00000001)
err += test_fp(m, 'fmin.s', -2.0, -1.0, -2.0)
err += test_fp(m, 'fmax.s', 2.5, 2.5, 1.0)
err += test_fp(m, 'fmax.s', 1.1, -1235.1, 1.1)
err += test_fp(m, 'fmax.s', 1.1, 1.1, -1235.1)
#err+= test_fp(m, 'fmax.s', -1235.1, NaN, -1235.1)
err += test_fp(m, 'fmax.s', 3.14159265, 3.14159265, 0.00000001)
err += test_fp(m, 'fmax.s', -1.0, -1.0, -2.0)
#err+= test_fp(m, 'fmax.s', 1.0, sNaN, 1.0)
err += test_fp(m, 'fmax.s', qNaN, NaN, NaN)
err += test_fp(m, 'fmin.s', -0.0, -0.0, 0.0)
err += test_fp(m, 'fmin.s', -0.0, 0.0, -0.0)
err += test_fp(m, 'fmax.s', 0.0, -0.0, 0.0)
err += test_fp(m, 'fmax.s', 0.0, 0.0, -0.0)
# fdiv, fsqrt
err += test_fp(m, 'fdiv.s', 1.1557273520668288, 3.14159265, 2.71828182)
err += test_fp(m, 'fdiv.s', -0.9991093838555584, -1234, 1235.1)
err += test_fp(m, 'fdiv.s', 3.14159265, 3.14159265, 1.0)
err += test_fp(m, 'fsqrt.s', 1.7724538498928541, 3.14159265)
err += test_fp(m, 'fsqrt.s', 100, 10000)
err += test_fp(m, 'fsqrt.s', NaN, -1.0)
err += test_fp(m, 'fsqrt.s', 13.076696, 171.0)
# fmadd, fnmadd, fmsub, fnmsub
err += test_fp(m, 'fmadd.s', 3.5, 1.0, 2.5, 1.0)
err += test_fp(m, 'fmadd.s', 1236.2, -1.0, -1235.1, 1.1)
err += test_fp(m, 'fmadd.s', -12.0, 2.0, -5.0, -2.0)
err += test_fp(m, 'fnmadd.s', -3.5, 1.0, 2.5, 1.0)
err += test_fp(m, 'fnmadd.s', -1236.2, -1.0, -1235.1, 1.1)
err += test_fp(m, 'fnmadd.s', 12.0, 2.0, -5.0, -2.0)
err += test_fp(m, 'fmsub.s', 1.5, 1.0, 2.5, 1.0)
err += test_fp(m, 'fmsub.s', 1234, -1.0, -1235.1, 1.1)
err += test_fp(m, 'fmsub.s', -8.0, 2.0, -5.0, -2.0)
err += test_fp(m, 'fnmsub.s', -1.5, 1.0, 2.5, 1.0)
err += test_fp(m, 'fnmsub.s', -1234, -1.0, -1235.1, 1.1)
err += test_fp(m, 'fnmsub.s', 8.0, 2.0, -5.0, -2.0)
# flw and fsw (adopted from isa/rv32uf/ldst.S)
def test_flw_fsw(m, tdat, tdat_offset):
m.clear_cpu()
m.x[a1] = tdat
m.asm('flw.s', f1, tdat_offset, a1)
m.asm('fsw.s', f1, 20, a1)
m.asm('lw', a0, 20, a1)
m.exe(start=0, instructions=3)
ref = m.read_i32(tdat+tdat_offset)
return check('flw/fsw', m.x[a0], ref)
tdat = 500 # write testdata to address 500
m.write_i32(0xbf800000, tdat)
m.write_i32(0x40000000, tdat+4)
err += test_flw_fsw(m, tdat, 4)
err += test_flw_fsw(m, tdat, 0)
# feq, fle, flt
err += test_fp(m, 'feq.s', 1, -1.36, -1.36)
err += test_fp(m, 'fle.s', 1, -1.36, -1.36)
err += test_fp(m, 'flt.s', 0, -1.36, -1.36)
err += test_fp(m, 'feq.s', 0, -1.37, -1.36)
err += test_fp(m, 'fle.s', 1, -1.37, -1.36)
err += test_fp(m, 'flt.s', 1, -1.37, -1.36)
err += test_fp(m, 'feq.s', 0, NaN, 0)
err += test_fp(m, 'feq.s', 0, NaN, NaN)
err += test_fp(m, 'feq.s', 0, sNaN, 0)
err += test_fp(m, 'flt.s', 0, NaN, 0)
err += test_fp(m, 'flt.s', 0, NaN, NaN)
err += test_fp(m, 'flt.s', 0, sNaN, 0)
err += test_fp(m, 'fle.s', 0, NaN, 0)
err += test_fp(m, 'fle.s', 0, NaN, NaN)
err += test_fp(m, 'fle.s', 0, sNaN, 0)
# fcvt
err += test_fp(m, 'fcvt.s.w', 2.0, 2)
err += test_fp(m, 'fcvt.s.w', -2.0, -2)
err += test_fp(m, 'fcvt.s.wu', 2.0, 2)
err += test_fp(m, 'fcvt.s.wu', 4.2949673e9, -2)
err += test_fp(m, 'fcvt.w.s', -1, -1.1)
err += test_fp(m, 'fcvt.w.s', -1, -1.0)
err += test_fp(m, 'fcvt.w.s', 0, -0.9)
err += test_fp(m, 'fcvt.w.s', 0, 0.9)
err += test_fp(m, 'fcvt.w.s', 1, 1.0)
err += test_fp(m, 'fcvt.w.s', 1, 1.1)
err += test_fp(m, 'fcvt.w.s', -1<<31, -3e9)
err += test_fp(m, 'fcvt.w.s', (1<<31)-1, 3e9)
err += test_fp(m, 'fcvt.wu.s', 0, -3.0)
err += test_fp(m, 'fcvt.wu.s', 0, -1.0)
err += test_fp(m, 'fcvt.wu.s', 0, -0.9)
err += test_fp(m, 'fcvt.wu.s', 0, 0.9)
err += test_fp(m, 'fcvt.wu.s', 1, 1.0)
err += test_fp(m, 'fcvt.wu.s', 1, 1.1)
err += test_fp(m, 'fcvt.wu.s', 0, -3e9)
err += test_fp(m, 'fcvt.wu.s', 3000000000, 3e9)
# fmv, fsgnj
def test_fsgn(inst, new_sign, rs1_sign, rs2_sign):
ref = 0x12345678 | (-new_sign << 31)
m.clear_cpu()
m.x[a1] = (rs1_sign << 31) | 0x12345678
m.x[a2] = -rs2_sign
m.asm('fmv.w.x', f1, a1)
m.asm('fmv.w.x', f2, a2)
m.asm(inst, f0, f1, f2)
m.asm('fmv.x.w', a0, f0)
m.exe(start=0, instructions=4)
return check('fmv/fsgnj', m.x[a0], ref)
err += test_fsgn('fsgnj.s', 0, 0, 0)
err += test_fsgn('fsgnj.s', 1, 0, 1)
err += test_fsgn('fsgnj.s', 0, 1, 0)
err += test_fsgn('fsgnj.s', 1, 1, 1)
# fclass
err += test_fp(m, 'fclass.s', 1 << 0, m.b2f(0xff800000))
err += test_fp(m, 'fclass.s', 1 << 1, m.b2f(0xbf800000))
err += test_fp(m, 'fclass.s', 1 << 2, m.b2f(0x807fffff))
err += test_fp(m, 'fclass.s', 1 << 3, m.b2f(0x80000000))
err += test_fp(m, 'fclass.s', 1 << 4, m.b2f(0x00000000))
err += test_fp(m, 'fclass.s', 1 << 5, m.b2f(0x007fffff))
err += test_fp(m, 'fclass.s', 1 << 6, m.b2f(0x3f800000))
err += test_fp(m, 'fclass.s', 1 << 7, m.b2f(0x7f800000))
err += test_fp(m, 'fclass.s', 1 << 8, m.b2f(0x7f800001))
err += test_fp(m, 'fclass.s', 1 << 9, m.b2f(0x7fc00000))
print('FP-tests errors: ' + str(err))
#-------------------------------------------------------------------------------
# test ALU instructions
#-------------------------------------------------------------------------------
# the tests below are derived from the *.s files at rv32i_m/I/src of the
# official test-suite. Specifically, the first 10 or so tests are used
# TODO: use all tests. Note that we are currently only testing the ALU
# instructions here because the other tests are harder to adopt, this is a TODO
# add
err = 0
err += test_rr(m, 'add', x24, x4, x24, 0x80000000, 0x7fffffff, 0x1)
err += test_rr(m, 'add', x28, x10, x10, 0x40000, 0x20000, 0x20000)
err += test_rr(m, 'add', x21, x21, x21, 0xfdfffffe, -0x1000001, -0x1000001)
err += test_rr(m, 'add', x22, x22, x31, 0x3fffe, -0x2, 0x40000)
err += test_rr(m, 'add', x11, x12, x6, 0xaaaaaaac, 0x55555556, 0x55555556)
err += test_rr(m, 'add', x10, x29, x13, 0x80000002, 0x2, -0x80000000)
err += test_rr(m, 'add', x26, x31, x5, 0xffffffef, -0x11, 0x0)
err += test_rr(m, 'add', x7, x2, x1, 0xe6666665, 0x66666666, 0x7fffffff)
err += test_rr(m, 'add', x14, x8, x25, 0x2aaaaaaa, -0x80000000, -0x55555556)
err += test_rr(m, 'add', x1, x13, x8, 0xfdffffff, 0x0, -0x2000001)
err += test_rr(m, 'add', x0, x28, x9, 0, 0x1, 0x800000)
err += test_rr(m, 'add', x20, x14, x4, 0x9, 0x7, 0x2)
err += test_rr(m, 'add', x16, x7, x19, 0xc, 0x8, 0x4)
err += test_rr(m, 'add', x8, x23, x29, 0x808, 0x800, 0x8)
err += test_rr(m, 'add', x13, x5, x27, 0x10, 0x0, 0x10)
err += test_rr(m, 'add', x27, x25, x20, 0x55555576, 0x55555556, 0x20)
err += test_rr(m, 'add', x17, x15, x26, 0x2f, -0x11, 0x40)
err += test_rr(m, 'add', x29, x17, x2, 0x7b, -0x5, 0x80)
err += test_rr(m, 'add', x4, x24, x17, 0x120, 0x20, 0x100)
err += test_rr(m, 'add', x2, x16, x11, 0x40000200, 0x40000000, 0x200)
# sub
err += test_rr(m, 'sub', x26, x24, x26, 0x5555554e, 0x55555554, 0x6)
err += test_rr(m, 'sub', x23, x17, x17, 0x0, 0x2000000, 0x2000000)
err += test_rr(m, 'sub', x16, x16, x16, 0x0, -0x7, -0x7)
err += test_rr(m, 'sub', x31, x31, x19, 0x99999998, -0x3, 0x66666665)
err += test_rr(m, 'sub', x8, x23, x14, 0x0, 0x80000, 0x80000)
err += test_rr(m, 'sub', x18, x13, x24, 0x7bffffff, -0x4000001, -0x80000000)
err += test_rr(m, 'sub', x0, x12, x4, 0, 0x20, 0x0)
err += test_rr(m, 'sub', x10, x22, x9, 0x60000000, -0x20000001, 0x7fffffff)
err += test_rr(m, 'sub', x25, x10, x27, 0xffff, 0x10000, 0x1)
err += test_rr(m, 'sub', x14, x8, x3, 0xc0000000, -0x80000000, -0x40000000)
err += test_rr(m, 'sub', x29, x25, x30, 0xffe00000, 0x0, 0x200000)
err += test_rr(m, 'sub', x15, x18, x8, 0x7fffdfff, 0x7fffffff, 0x2000)
err += test_rr(m, 'sub', x3, x14, x15, 0xfffffff1, 0x1, 0x10)
err += test_rr(m, 'sub', x13, x26, x29, 0xfffffff7, -0x7, 0x2)
err += test_rr(m, 'sub', x19, x21, x31, 0xfffffffe, 0x2, 0x4)
err += test_rr(m, 'sub', x11, x30, x5, 0xfefffff7, -0x1000001, 0x8)
err += test_rr(m, 'sub', x30, x28, x7, 0xaaaaaa8a, -0x55555556, 0x20)
err += test_rr(m, 'sub', x7, x9, x10, 0xffffff7f, -0x41, 0x40)
err += test_rr(m, 'sub', x17, x0, x18, 0xffffff80, 0x0, 0x80)
err += test_rr(m, 'sub', x27, x2, x12, 0xbfffff00, -0x40000000, 0x100)
# sll
err += test_rr(m, 'sll', x28, x16, x28, 0xfffdfc00, -0x81, 0xa)
err += test_rr(m, 'sll', x0, x21, x21, 0, 0x5, 0x5)
err += test_rr(m, 'sll', x18, x18, x18, 0x80000000, -0x8001, -0x8001)
err += test_rr(m, 'sll', x5, x5, x13, 0x7, 0x7, 0x0)
err += test_rr(m, 'sll', x23, x22, x12, 0x180, 0x6, 0x6)
err += test_rr(m, 'sll', x6, x19, x0, 0x80000000, -0x80000000, 0x0)
err += test_rr(m, 'sll', x13, x25, x24, 0x0, 0x0, 0x4)
err += test_rr(m, 'sll', x16, x12, x26, 0xffe00000, 0x7fffffff, 0x15)
err += test_rr(m, 'sll', x20, x6, x14, 0x10, 0x1, 0x4)
err += test_rr(m, 'sll', x22, x14, x1, 0x0, 0x2, 0x1f)
err += test_rr(m, 'sll', x21, x29, x7, 0x10, 0x4, 0x2)
err += test_rr(m, 'sll', x4, x31, x10, 0x0, 0x8, 0x1f)
err += test_rr(m, 'sll', x7, x17, x20, 0x0, 0x10, 0x1f)
err += test_rr(m, 'sll', x12, x20, x11, 0x10000000, 0x20, 0x17)
err += test_rr(m, 'sll', x3, x11, x22, 0x800000, 0x40, 0x11)
err += test_rr(m, 'sll', x24, x0, x30, 0x0, 0x0, 0x10)
err += test_rr(m, 'sll', x8, x3, x31, 0x0, 0x100, 0x1b)
err += test_rr(m, 'sll', x10, x27, x17, 0x200, 0x200, 0x0)
err += test_rr(m, 'sll', x11, x10, x19, 0x0, 0x400, 0x1b)
err += test_rr(m, 'sll', x1, x8, x27, 0x20000, 0x800, 0x6)
# slt
err += test_rr(m, 'slt', x26, x18, x26, 0x0, 0x66666667, 0x66666667)
err += test_rr(m, 'slt', x1, x20, x20, 0x0, 0x33333334, 0x33333334)
err += test_rr(m, 'slt', x21, x21, x21, 0x0, -0x4001, -0x4001)
err += test_rr(m, 'slt', x15, x15, x27, 0x1, -0x201, 0x5)
err += test_rr(m, 'slt', x7, x5, x18, 0x0, 0x33333334, -0x80000000)
err += test_rr(m, 'slt', x17, x25, x19, 0x0, 0x8000000, 0x0)
err += test_rr(m, 'slt', x23, x9, x31, 0x1, 0x20000, 0x7fffffff)
err += test_rr(m, 'slt', x11, x2, x15, 0x1, -0x20001, 0x1)
err += test_rr(m, 'slt', x22, x28, x13, 0x1, -0x80000000, 0x400)
err += test_rr(m, 'slt', x30, x10, x7, 0x1, 0x0, 0x8)
err += test_rr(m, 'slt', x5, x24, x22, 0x0, 0x7fffffff, -0x101)
err += test_rr(m, 'slt', x24, x8, x3, 0x0, 0x1, -0x201)
err += test_rr(m, 'slt', x2, x26, x9, 0x0, 0x10000000, 0x2)
err += test_rr(m, 'slt', x8, x4, x14, 0x0, 0x8000, 0x4)
err += test_rr(m, 'slt', x25, x6, x4, 0x1, -0x1001, 0x10)
err += test_rr(m, 'slt', x14, x31, x25, 0x0, 0x1000000, 0x20)
err += test_rr(m, 'slt', x20, x14, x8, 0x1, 0x5, 0x40)
err += test_rr(m, 'slt', x19, x7, x11, 0x1, 0x0, 0x80)
err += test_rr(m, 'slt', x9, x19, x29, 0x1, 0x5, 0x100)
err += test_rr(m, 'slt', x6, x3, x23, 0x0, 0x400000, 0x200)
# sltu
err += test_rr(m, 'sltu', x31, x0, x31, 0x1, 0x0, 0xfffffffe)
err += test_rr(m, 'sltu', x5, x19, x19, 0x0, 0x100000, 0x100000)
err += test_rr(m, 'sltu', x25, x25, x25, 0x0, 0x40000000, 0x40000000)
err += test_rr(m, 'sltu', x14, x14, x24, 0x1, 0xfffffffe, 0xffffffff)
err += test_rr(m, 'sltu', x12, x17, x13, 0x0, 0x1, 0x1)
err += test_rr(m, 'sltu', x24, x26, x18, 0x1, 0x0, 0xb)
err += test_rr(m, 'sltu', x19, x5, x14, 0x0, 0xffffffff, 0x0)
err += test_rr(m, 'sltu', x0, x3, x22, 0, 0x4, 0x2)
err += test_rr(m, 'sltu', x20, x23, x29, 0x0, 0xf7ffffff, 0x4)
err += test_rr(m, 'sltu', x10, x4, x6, 0x0, 0x11, 0x8)
err += test_rr(m, 'sltu', x1, x12, x17, 0x0, 0x7fffffff, 0x10)
err += test_rr(m, 'sltu', x6, x30, x8, 0x0, 0x2000000, 0x20)
err += test_rr(m, 'sltu', x3, x21, x16, 0x0, 0xfffff7ff, 0x40)
err += test_rr(m, 'sltu', x17, x29, x26, 0x0, 0x400, 0x80)
err += test_rr(m, 'sltu', x28, x18, x10, 0x1, 0xd, 0x100)
err += test_rr(m, 'sltu', x11, x2, x28, 0x1, 0x4, 0x200)
err += test_rr(m, 'sltu', x29, x8, x30, 0x0, 0xffffffbf, 0x400)
err += test_rr(m, 'sltu', x7, x22, x11, 0x1, 0x80, 0x800)
err += test_rr(m, 'sltu', x9, x15, x4, 0x0, 0x200000, 0x1000)
err += test_rr(m, 'sltu', x13, x28, x12, 0x1, 0x80, 0x2000)
# xor
err += test_rr(m, 'xor', x24, x27, x24, 0x66666666, 0x66666665, 0x3)
err += test_rr(m, 'xor', x10, x13, x13, 0x0, 0x5, 0x5)
err += test_rr(m, 'xor', x23, x23, x23, 0x0, -0x4001, -0x4001)
err += test_rr(m, 'xor', x28, x28, x14, 0xffffffb7, -0x41, 0x8)
err += test_rr(m, 'xor', x18, x1, x2, 0x0, -0x1, -0x1)
err += test_rr(m, 'xor', x19, x5, x22, 0x80400000, 0x400000, -0x80000000)
err += test_rr(m, 'xor', x13, x26, x12, 0xffffffef, -0x11, 0x0)
err += test_rr(m, 'xor', x4, x12, x11, 0xd5555555, -0x55555556, 0x7fffffff)
err += test_rr(m, 'xor', x17, x19, x30, 0x0, 0x1, 0x1)
err += test_rr(m, 'xor', x3, x11, x1, 0x6fffffff, -0x80000000, -0x10000001)
err += test_rr(m, 'xor', x8, x24, x29, 0xffff4afc, 0x0, -0xb504)
err += test_rr(m, 'xor', x9, x0, x18, 0x1000, 0x0, 0x1000)
err += test_rr(m, 'xor', x26, x10, x6, 0x80002, 0x80000, 0x2)
err += test_rr(m, 'xor', x30, x22, x31, 0xffffffdb, -0x21, 0x4)
err += test_rr(m, 'xor', x16, x8, x0, 0x6, 0x6, 0x0)
err += test_rr(m, 'xor', x15, x16, x27, 0x25, 0x5, 0x20)
err += test_rr(m, 'xor', x31, x3, x26, 0xffdfffbf, -0x200001, 0x40)
err += test_rr(m, 'xor', x14, x9, x25, 0xffff7f7f, -0x8001, 0x80)
err += test_rr(m, 'xor', x6, x30, x10, 0x55555456, 0x55555556, 0x100)
err += test_rr(m, 'xor', x7, x2, x9, 0xffffbdff, -0x4001, 0x200)
# srl
err += test_rr(m, 'srl', x11, x26, x11, 0x1ff7f, -0x400001, 0xf)
err += test_rr(m, 'srl', x12, x31, x31, 0x155, 0x55555556, 0x55555556)
err += test_rr(m, 'srl', x7, x7, x7, 0x1, -0x1, -0x1)
err += test_rr(m, 'srl', x18, x18, x12, 0x100, 0x100, 0x0)
err += test_rr(m, 'srl', x8, x14, x3, 0x0, 0x9, 0x9)
err += test_rr(m, 'srl', x20, x21, x22, 0x80000, -0x80000000, 0xc)
err += test_rr(m, 'srl', x30, x4, x17, 0x0, 0x0, 0xf)
err += test_rr(m, 'srl', x6, x1, x4, 0x1, 0x7fffffff, 0x1e)
err += test_rr(m, 'srl', x15, x0, x21, 0x0, 0x0, 0x1d)
err += test_rr(m, 'srl', x5, x28, x23, 0x0, 0x2, 0x6)
err += test_rr(m, 'srl', x4, x9, x30, 0x0, 0x4, 0xa)
err += test_rr(m, 'srl', x10, x13, x29, 0x2, 0x8, 0x2)
err += test_rr(m, 'srl', x25, x2, x16, 0x0, 0x10, 0x7)
err += test_rr(m, 'srl', x19, x11, x28, 0x0, 0x20, 0x8)
err += test_rr(m, 'srl', x23, x10, x6, 0x0, 0x40, 0xb)
err += test_rr(m, 'srl', x0, x3, x1, 0, 0x80, 0x6)
err += test_rr(m, 'srl', x14, x6, x8, 0x0, 0x200, 0xe)
err += test_rr(m, 'srl', x9, x20, x27, 0x0, 0x400, 0x1d)
err += test_rr(m, 'srl', x16, x30, x18, 0x0, 0x800, 0xd)
err += test_rr(m, 'srl', x24, x22, x10, 0x10, 0x1000, 0x8)
# sra
err += test_rr(m, 'sra', x27, x16, x27, -0x800000, -0x80000000, 0x8)
err += test_rr(m, 'sra', x16, x12, x12, 0x2000000, 0x2000000, 0x2000000)
err += test_rr(m, 'sra', x1, x1, x1, -0x1, -0x801, -0x801)
err += test_rr(m, 'sra', x13, x13, x19, 0x33333333, 0x33333333, 0x0)
err += test_rr(m, 'sra', x8, x28, x2, 0x0, 0x6, 0x6)
err += test_rr(m, 'sra', x19, x26, x31, 0x0, 0x0, 0x3)
err += test_rr(m, 'sra', x29, x14, x28, 0x1fff, 0x7fffffff, 0x12)
err += test_rr(m, 'sra', x12, x10, x26, 0x0, 0x1, 0x2)
err += test_rr(m, 'sra', x15, x30, x16, 0x0, 0x2, 0x4)
err += test_rr(m, 'sra', x6, x24, x0, 0x4, 0x4, 0x0)
err += test_rr(m, 'sra', x3, x21, x15, 0x0, 0x8, 0xa)
err += test_rr(m, 'sra', x10, x15, x30, 0x10, 0x10, 0x0)
err += test_rr(m, 'sra', x22, x18, x4, 0x4, 0x20, 0x3)
err += test_rr(m, 'sra', x11, x19, x17, 0x0, 0x40, 0x17)
err += test_rr(m, 'sra', x0, x5, x14, 0, 0x80, 0x8)
err += test_rr(m, 'sra', x5, x6, x24, 0x10, 0x100, 0x4)
err += test_rr(m, 'sra', x31, x7, x18, 0x0, 0x200, 0x1f)
err += test_rr(m, 'sra', x30, x31, x21, 0x0, 0x400, 0x10)
err += test_rr(m, 'sra', x2, x4, x11, 0x0, 0x800, 0x13)
err += test_rr(m, 'sra', x9, x22, x25, 0x400, 0x1000, 0x2)
# or
err += test_rr(m, 'or', x26, x8, x26, 0x100010, 0x100000, 0x10)
err += test_rr(m, 'or', x17, x6, x6, 0x2, 0x2, 0x2)
err += test_rr(m, 'or', x31, x31, x31, 0xefffffff, -0x10000001, -0x10000001)
err += test_rr(m, 'or', x27, x27, x29, 0xfffff7ff, -0x801, 0x400000)
err += test_rr(m, 'or', x18, x30, x19, 0xffefffff, -0x100001, -0x100001)
err += test_rr(m, 'or', x9, x21, x14, 0x80020000, 0x20000, -0x80000000)
err += test_rr(m, 'or', x4, x26, x24, 0xffffdfff, -0x2001, 0x0)
err += test_rr(m, 'or', x30, x9, x8, 0x7fffffff, 0x0, 0x7fffffff)
err += test_rr(m, 'or', x8, x23, x7, 0xff7fffff, -0x800001, 0x1)
err += test_rr(m, 'or', x22, x12, x0, 0x80000000, -0x80000000, 0x0)
err += test_rr(m, 'or', x28, x10, x30, 0x7fffffff, 0x7fffffff, 0x40)
err += test_rr(m, 'or', x16, x18, x21, 0x55555555, 0x1, 0x55555554)
err += test_rr(m, 'or', x12, x14, x17, 0x1002, 0x1000, 0x2)
err += test_rr(m, 'or', x15, x19, x16, 0xff7fffff, -0x800001, 0x4)
err += test_rr(m, 'or', x7, x4, x2, 0xfffffbff, -0x401, 0x8)
err += test_rr(m, 'or', x11, x2, x22, 0x7fffffff, 0x7fffffff, 0x20)
err += test_rr(m, 'or', x25, x28, x15, 0xfffffdff, -0x201, 0x80)
err += test_rr(m, 'or', x6, x25, x1, 0xb504, 0xb504, 0x100)
err += test_rr(m, 'or', x20, x17, x10, 0x204, 0x4, 0x200)
err += test_rr(m, 'or', x5, x20, x23, 0xffefffff, -0x100001, 0x400)
# and
err += test_rr(m, 'and', x25, x24, x25, 0x0, 0x4000, 0x7)
err += test_rr(m, 'and', x18, x3, x3, 0x800, 0x800, 0x800)
err += test_rr(m, 'and', x19, x19, x19, 0xfffffffd, -0x3, -0x3)
err += test_rr(m, 'and', x5, x5, x14, 0x7fffffff, -0x1, 0x7fffffff)
err += test_rr(m, 'and', x20, x23, x16, 0x5, 0x5, 0x5)
err += test_rr(m, 'and', x30, x20, x2, 0x0, 0x2, -0x80000000)
err += test_rr(m, 'and', x13, x7, x24, 0x0, 0x33333333, 0x0)
err += test_rr(m, 'and', x10, x30, x27, 0x1, -0x40000001, 0x1)
err += test_rr(m, 'and', x22, x28, x18, 0x0, -0x80000000, 0x800)
err += test_rr(m, 'and', x0, x2, x15, 0, 0x0, 0x200)
err += test_rr(m, 'and', x12, x25, x26, 0x55555555, 0x7fffffff, 0x55555555)
err += test_rr(m, 'and', x2, x1, x31, 0x0, 0x1, 0x55555554)
err += test_rr(m, 'and', x14, x27, x11, 0x0, 0x40000, 0x2)
err += test_rr(m, 'and', x4, x31, x23, 0x4, -0x20001, 0x4)
err += test_rr(m, 'and', x27, x21, x9, 0x8, -0x55555555, 0x8)
err += test_rr(m, 'and', x23, x26, x7, 0x0, 0x400, 0x10)
err += test_rr(m, 'and', x24, x9, x20, 0x20, -0x8, 0x20)
err += test_rr(m, 'and', x26, x15, x13, 0x40, -0x101, 0x40)
err += test_rr(m, 'and', x17, x12, x4, 0x80, -0x2000001, 0x80)
err += test_rr(m, 'and', x8, x4, x17, 0x0, 0x66666665, 0x100)
# addi
err += test_imm(m, 'addi', x7, x20, 0x1ffff800, 0x20000000, -0x800)
err += test_imm(m, 'addi', x3, x3, 0x400, 0x400, 0x0)
err += test_imm(m, 'addi', x22, x4, 0x5fe, -0x201, 0x7ff)
err += test_imm(m, 'addi', x11, x30, 0x1, 0x0, 0x1)
err += test_imm(m, 'addi', x31, x27, 0x80000010, -0x80000000, 0x10)
err += test_imm(m, 'addi', x30, x17, 0x80000005, 0x7fffffff, 0x6)
err += test_imm(m, 'addi', x28, x18, 0x5, 0x1, 0x4)
err += test_imm(m, 'addi', x6, x13, 0xa, 0x5, 0x5)
err += test_imm(m, 'addi', x16, x10, 0xaaaaaa8a, -0x55555555, -0x21)
err += test_imm(m, 'addi', x21, x9, 0xfffffff1, -0x11, 0x2)
err += test_imm(m, 'addi', x2, x7, 0xb50d, 0xb505, 0x8)
err += test_imm(m, 'addi', x18, x22, 0xffff4b1c, -0xb504, 0x20)
err += test_imm(m, 'addi', x0, x29, 0, -0x200001, 0x40)
err += test_imm(m, 'addi', x13, x25, 0x85, 0x5, 0x80)
err += test_imm(m, 'addi', x29, x11, 0xfe0000ff, -0x2000001, 0x100)
err += test_imm(m, 'addi', x8, x6, 0x210, 0x10, 0x200)
err += test_imm(m, 'addi', x4, x19, 0x402, 0x2, 0x400)
err += test_imm(m, 'addi', x10, x12, 0x55555552, 0x55555554, -0x2)
err += test_imm(m, 'addi', x26, x31, 0x55555552, 0x55555555, -0x3)
err += test_imm(m, 'addi', x15, x26, 0x5555554f, 0x55555554, -0x5)
# slti
err += test_imm(m, 'slti', x12, x25, 0x0, -0x81, -0x800)
err += test_imm(m, 'slti', x5, x5, 0x1, -0x1001, 0x0)
err += test_imm(m, 'slti', x28, x4, 0x1, -0x40000000, 0x7ff)
err += test_imm(m, 'slti', x15, x31, 0x1, -0x11, 0x1)
err += test_imm(m, 'slti', x13, x1, 0x1, -0x80000000, 0x3)
err += test_imm(m, 'slti', x1, x15, 0x1, 0x0, 0x2)
err += test_imm(m, 'slti', x9, x16, 0x0, 0x7fffffff, -0x8)
err += test_imm(m, 'slti', x31, x11, 0x0, 0x1, -0x400)
err += test_imm(m, 'slti', x27, x14, 0x0, 0x10, 0x10)
err += test_imm(m, 'slti', x26, x12, 0x0, 0x33333334, 0x4)
err += test_imm(m, 'slti', x4, x17, 0x0, 0x3fffffff, 0x8)
err += test_imm(m, 'slti', x10, x18, 0x1, -0x2001, 0x20)
err += test_imm(m, 'slti', x21, x27, 0x1, 0x3, 0x40)
err += test_imm(m, 'slti', x8, x3, 0x0, 0x55555554, 0x80)
err += test_imm(m, 'slti', x0, x7, 0, 0x55555554, 0x100)
err += test_imm(m, 'slti', x24, x22, 0x1, -0x55555556, 0x200)
err += test_imm(m, 'slti', x18, x24, 0x0, 0x4000, 0x400)
err += test_imm(m, 'slti', x25, x6, 0x1, -0x401, -0x2)
err += test_imm(m, 'slti', x23, x21, 0x0, 0x66666667, -0x3)
err += test_imm(m, 'slti', x7, x0, 0x0, 0x0, -0x5)
# sltiu
err += test_imm(m, 'sltiu', x28, x23, 0x0, 0x400, 0x0)
err += test_imm(m, 'sltiu', x2, x2, 0x1, 0x800, 0xfff)
err += test_imm(m, 'sltiu', x25, x3, 0x0, 0x4, 0x1)
err += test_imm(m, 'sltiu', x11, x19, 0x1, 0x0, 0x6)
err += test_imm(m, 'sltiu', x15, x14, 0x0, 0xffffffff, 0x2c)
err += test_imm(m, 'sltiu', x4, x13, 0x0, 0x1, 0x0)
err += test_imm(m, 'sltiu', x3, x26, 0x0, 0xd, 0xd)
err += test_imm(m, 'sltiu', x29, x20, 0x0, 0xaaaaaaaa, 0x2)
err += test_imm(m, 'sltiu', x16, x27, 0x0, 0x7fffffff, 0x4)
err += test_imm(m, 'sltiu', x20, x17, 0x0, 0xfeffffff, 0x8)
err += test_imm(m, 'sltiu', x8, x31, 0x0, 0x800, 0x10)
err += test_imm(m, 'sltiu', x23, x24, 0x1, 0xc, 0x20)
err += test_imm(m, 'sltiu', x26, x25, 0x0, 0x55555555, 0x40)
err += test_imm(m, 'sltiu', x6, x22, 0x0, 0x80000, 0x80)
err += test_imm(m, 'sltiu', x5, x12, 0x0, 0xfffffff7, 0x100)
err += test_imm(m, 'sltiu', x1, x9, 0x0, 0x80000000, 0x200)
err += test_imm(m, 'sltiu', x10, x28, 0x0, 0xfffbffff, 0x400)
err += test_imm(m, 'sltiu', x31, x21, 0x1, 0x0, 0x800)
err += test_imm(m, 'sltiu', x21, x0, 0x1, 0x0, 0xffe)
err += test_imm(m, 'sltiu', x14, x11, 0x1, 0x12, 0xffd)
# xori
err += test_imm(m, 'xori', x10, x24, 0xcccccb34, 0x33333334, -0x800)
err += test_imm(m, 'xori', x18, x18, 0x4, 0x4, 0x0)
err += test_imm(m, 'xori', x24, x15, 0xfffff803, -0x4, 0x7ff)
err += test_imm(m, 'xori', x20, x11, 0x3, 0x2, 0x1)
err += test_imm(m, 'xori', x21, x7, 0x80000554, -0x80000000, 0x554)
err += test_imm(m, 'xori', x27, x17, 0xfffffbff, 0x0, -0x401)
err += test_imm(m, 'xori', x1, x22, 0x80000009, 0x7fffffff, -0xa)
err += test_imm(m, 'xori', x22, x20, 0x5, 0x1, 0x4)
err += test_imm(m, 'xori', x31, x19, 0x0, -0x201, -0x201)
err += test_imm(m, 'xori', x5, x9, 0xffffffdd, -0x21, 0x2)
err += test_imm(m, 'xori', x29, x28, 0x80000008, -0x80000000, 0x8)
err += test_imm(m, 'xori', x4, x30, 0xbfffffef, -0x40000001, 0x10)
err += test_imm(m, 'xori', x8, x27, 0x7fffffdf, 0x7fffffff, 0x20)
err += test_imm(m, 'xori', x25, x3, 0x66666626, 0x66666666, 0x40)
err += test_imm(m, 'xori', x17, x31, 0xfff7ff7f, -0x80001, 0x80)
err += test_imm(m, 'xori', x16, x29, 0xffff4bfc, -0xb504, 0x100)
err += test_imm(m, 'xori', x6, x4, 0x200, 0x0, 0x200)
err += test_imm(m, 'xori', x3, x14, 0xffeffbff, -0x100001, 0x400)
err += test_imm(m, 'xori', x15, x12, 0x7, -0x7, -0x2)
err += test_imm(m, 'xori', x9, x21, 0xfffffff8, 0x5, -0x3)
# ori
err += test_imm(m, 'ori', x22, x5, 0xfffffdff, -0x201, -0x800)
err += test_imm(m, 'ori', x27, x27, 0x0, 0x0, 0x0)
err += test_imm(m, 'ori', x8, x17, 0x333337ff, 0x33333334, 0x7ff)
err += test_imm(m, 'ori', x1, x20, 0xffff4afd, -0xb504, 0x1)
err += test_imm(m, 'ori', x19, x12, 0x8000002d, -0x80000000, 0x2d)
err += test_imm(m, 'ori', x3, x8, 0x7fffffff, 0x7fffffff, 0x555)
err += test_imm(m, 'ori', x26, x28, 0x667, 0x1, 0x667)
err += test_imm(m, 'ori', x23, x16, 0xffffffff, 0x7, -0x7)
err += test_imm(m, 'ori', x31, x25, 0x40002, 0x40000, 0x2)
err += test_imm(m, 'ori', x11, x23, 0x20000004, 0x20000000, 0x4)
err += test_imm(m, 'ori', x17, x14, 0xfffffdff, -0x201, 0x8)
err += test_imm(m, 'ori', x7, x31, 0x12, 0x2, 0x10)
err += test_imm(m, 'ori', x4, x21, 0x8020, 0x8000, 0x20)
err += test_imm(m, 'ori', x5, x15, 0x840, 0x800, 0x40)
err += test_imm(m, 'ori', x25, x30, 0xfffbffff, -0x40001, 0x80)
err += test_imm(m, 'ori', x30, x11, 0xfffffffb, -0x5, 0x100)
err += test_imm(m, 'ori', x10, x4, 0xfff7ffff, -0x80001, 0x200)
err += test_imm(m, 'ori', x0, x13, 0, -0x40000001, 0x400)
err += test_imm(m, 'ori', x6, x26, 0xffffffff, -0x21, -0x2)
err += test_imm(m, 'ori', x18, x19, 0xffffffff, 0xb503, -0x3)
# andi
err += test_imm(m, 'andi', x10, x22, 0xfffff800, -0x2, -0x800)
err += test_imm(m, 'andi', x25, x25, 0x0, -0x1001, 0x0)
err += test_imm(m, 'andi', x17, x16, 0x7ff, -0x2000001, 0x7ff)
err += test_imm(m, 'andi', x8, x2, 0x1, -0x20001, 0x1)
err += test_imm(m, 'andi', x30, x28, 0x0, -0x80000000, 0x4)
err += test_imm(m, 'andi', x19, x4, 0x0, 0x0, -0x800)
err += test_imm(m, 'andi', x2, x10, 0x6, 0x7fffffff, 0x6)
err += test_imm(m, 'andi', x13, x7, 0x0, 0x1, 0x554)
err += test_imm(m, 'andi', x9, x27, 0x80, 0x80, 0x80)
err += test_imm(m, 'andi', x3, x17, 0x7fffffd4, 0x7fffffff, -0x2c)
err += test_imm(m, 'andi', x26, x0, 0x0, 0x0, 0x2)
err += test_imm(m, 'andi', x21, x23, 0x0, 0x66666666, 0x8)
err += test_imm(m, 'andi', x14, x6, 0x0, 0x0, 0x10)
err += test_imm(m, 'andi', x22, x5, 0x0, 0x100, 0x20)
err += test_imm(m, 'andi', x29, x8, 0x40, -0x5, 0x40)
err += test_imm(m, 'andi', x23, x12, 0x0, 0x1, 0x100)
err += test_imm(m, 'andi', x6, x15, 0x200, -0x55555555, 0x200)
err += test_imm(m, 'andi', x11, x29, 0x0, 0x0, 0x400)
err += test_imm(m, 'andi', x1, x20, 0x66666666, 0x66666667, -0x2)
err += test_imm(m, 'andi', x5, x31, 0xffeffffd, -0x100001, -0x3)
# slli
err += test_imm(m, 'slli', x27, x17, 0xe0000000, -0x40000001, 0x1d)
err += test_imm(m, 'slli', x26, x26, 0x33330000, 0x66666666, 0xf)
err += test_imm(m, 'slli', x11, x22, 0xfffeffff, -0x10001, 0x0)
err += test_imm(m, 'slli', x6, x15, 0x4, 0x4, 0x0)
err += test_imm(m, 'slli', x16, x9, 0x80000000, -0x400001, 0x1f)
err += test_imm(m, 'slli', x20, x11, 0x0, 0x4, 0x1f)
err += test_imm(m, 'slli', x19, x1, 0x800, 0x8, 0x8)
err += test_imm(m, 'slli', x25, x19, 0x0, -0x80000000, 0x10)
err += test_imm(m, 'slli', x12, x8, 0x0, 0x0, 0xc)
err += test_imm(m, 'slli', x30, x27, 0xffffff00, 0x7fffffff, 0x8)
err += test_imm(m, 'slli', x4, x2, 0x2, 0x1, 0x1)
err += test_imm(m, 'slli', x14, x31, 0x80, 0x2, 0x6)
err += test_imm(m, 'slli', x17, x24, 0x40000, 0x10, 0xe)
err += test_imm(m, 'slli', x10, x4, 0x100, 0x20, 0x3)
err += test_imm(m, 'slli', x2, x18, 0x8000000, 0x40, 0x15)
err += test_imm(m, 'slli', x23, x5, 0x10000000, 0x80, 0x15)
err += test_imm(m, 'slli', x8, x13, 0x200, 0x100, 0x1)
err += test_imm(m, 'slli', x0, x20, 0, 0x200, 0x0)
err += test_imm(m, 'slli', x9, x16, 0x1000, 0x400, 0x2)
err += test_imm(m, 'slli', x5, x21, 0x40000000, 0x800, 0x13)
# srli
err += test_imm(m, 'srli', x8, x30, 0x3fffd2bf, -0xb504, 0x2)
err += test_imm(m, 'srli', x17, x17, 0x0, 0x7, 0x13)
err += test_imm(m, 'srli', x19, x27, 0xffff4afc, -0xb504, 0x0)
err += test_imm(m, 'srli', x9, x29, 0x3fffffff, 0x3fffffff, 0x0)
err += test_imm(m, 'srli', x22, x25, 0x1, -0xa, 0x1f)
err += test_imm(m, 'srli', x13, x1, 0x0, 0x200, 0x1f)
err += test_imm(m, 'srli', x0, x21, 0, 0x3, 0x3)
err += test_imm(m, 'srli', x29, x0, 0x0, 0x0, 0x9)
err += test_imm(m, 'srli', x18, x16, 0x0, 0x0, 0x1)
err += test_imm(m, 'srli', x27, x20, 0x3fff, 0x7fffffff, 0x11)
err += test_imm(m, 'srli', x2, x31, 0x0, 0x1, 0x12)
err += test_imm(m, 'srli', x31, x7, 0x0, 0x2, 0x1d)
err += test_imm(m, 'srli', x16, x14, 0x0, 0x4, 0xf)
err += test_imm(m, 'srli', x25, x12, 0x0, 0x8, 0x1b)
err += test_imm(m, 'srli', x11, x4, 0x0, 0x10, 0xf)
err += test_imm(m, 'srli', x23, x24, 0x0, 0x20, 0x17)
err += test_imm(m, 'srli', x28, x8, 0x0, 0x40, 0xd)
err += test_imm(m, 'srli', x30, x15, 0x0, 0x80, 0x1e)
err += test_imm(m, 'srli', x20, x18, 0x0, 0x100, 0x1f)
err += test_imm(m, 'srli', x14, x13, 0x0, 0x400, 0x12)
# srai
err += test_imm(m, 'srai', x25, x31, -0x1, -0x9, 0x9)
err += test_imm(m, 'srai', x10, x10, 0x2, 0x5, 0x1)
err += test_imm(m, 'srai', x28, x8, -0x1000001, -0x1000001, 0x0)
err += test_imm(m, 'srai', x5, x17, 0x100000, 0x100000, 0x0)
err += test_imm(m, 'srai', x27, x23, -0x1, -0x20001, 0x1f)
err += test_imm(m, 'srai', x20, x13, 0x0, 0x1, 0x1f)
err += test_imm(m, 'srai', x11, x22, 0x0, 0x4, 0x4)
err += test_imm(m, 'srai', x30, x7, -0x80000000, -0x80000000, 0x0)
err += test_imm(m, 'srai', x14, x18, 0x0, 0x0, 0xe)
err += test_imm(m, 'srai', x19, x3, 0x0, 0x7fffffff, 0x1f)
err += test_imm(m, 'srai', x29, x25, 0x0, 0x2, 0x11)
err += test_imm(m, 'srai', x3, x30, 0x0, 0x8, 0x11)
err += test_imm(m, 'srai', x22, x2, 0x0, 0x10, 0x12)
err += test_imm(m, 'srai', x2, x12, 0x0, 0x20, 0xd)
err += test_imm(m, 'srai', x12, x1, 0x0, 0x40, 0x17)
err += test_imm(m, 'srai', x24, x20, 0x0, 0x80, 0x9)
err += test_imm(m, 'srai', x0, x11, 0, 0x100, 0x10)
err += test_imm(m, 'srai', x8, x26, 0x1, 0x200, 0x9)
err += test_imm(m, 'srai', x17, x9, 0x0, 0x400, 0x11)
err += test_imm(m, 'srai', x23, x16, 0x0, 0x800, 0x1b)
# M extension, mul
err += test_rr(m, 'mul', x31, x31, x5, 0x90000, 0x9, 0x10000)
err += test_rr(m, 'mul', x8, x21, x21, 0x400, 0x20, 0x20)
err += test_rr(m, 'mul', x23, x11, x23, 0xfd555555, -0x55555555, -0x8000001)
err += test_rr(m, 'mul', x7, x14, x20, 0xfffff9fd, -0x201, 0x3)
err += test_rr(m, 'mul', x15, x15, x15, 0x1, -0x1, -0x1)
err += test_rr(m, 'mul', x16, x25, x29, 0x80000000, -0x40001, -0x80000000)
err += test_rr(m, 'mul', x3, x29, x25, 0x0, 0x66666665, 0x0)
err += test_rr(m, 'mul', x17, x23, x28, 0xffff4afc, 0xb504, 0x7fffffff)
err += test_rr(m, 'mul', x22, x2, x19, 0x2, 0x2, 0x1)
err += test_rr(m, 'mul', x28, x20, x22, 0x80000000, -0x80000000, -0x41)
err += test_rr(m, 'mul', x2, x3, x6, 0x0, 0x0, 0x0)
err += test_rr(m, 'mul', x5, x22, x11, 0x80000081, 0x7fffffff, -0x81)
err += test_rr(m, 'mul', x13, x7, x9, 0xefffffff, 0x1, -0x10000001)
err += test_rr(m, 'mul', x6, x10, x17, 0x100, 0x80, 0x2)
err += test_rr(m, 'mul', x30, x1, x2, 0xfffd2bf4, -0xb503, 0x4)
err += test_rr(m, 'mul', x25, x13, x1, 0xfffffff8, -0x20000001, 0x8)
err += test_rr(m, 'mul', x29, x16, x12, 0xffff7ff0, -0x801, 0x10)
err += test_rr(m, 'mul', x21, x27, x24, 0x80000, 0x4000, 0x20)
err += test_rr(m, 'mul', x14, x19, x10, 0x2d4100, 0xb504, 0x40)
err += test_rr(m, 'mul', x26, x6, x14, 0xfffffd80, -0x5, 0x80)
# mulh
err += test_rr(m, 'mulh', x15, x15, x21, 0x5a8, 0xb504, 0x8000000)
err += test_rr(m, 'mulh', x7, x1, x1, 0xa3d70a3, 0x33333332, 0x33333332)
err += test_rr(m, 'mulh', x6, x7, x6, 0x0, -0x8001, -0x801)
err += test_rr(m, 'mulh', x5, x27, x16, 0xffffffff, -0xb503, 0x40)
err += test_rr(m, 'mulh', x26, x26, x26, 0x0, 0x7, 0x7)
err += test_rr(m, 'mulh', x10, x24, x7, 0x5a81, -0xb503, -0x80000000)
err += test_rr(m, 'mulh', x8, x30, x2, 0x0, -0x2001, 0x0)
err += test_rr(m, 'mulh', x19, x0, x11, 0x0, 0x0, 0x7fffffff)
err += test_rr(m, 'mulh', x24, x21, x17, 0x0, 0x2000, 0x1)
err += test_rr(m, 'mulh', x29, x23, x9, 0x2, -0x80000000, -0x4)
err += test_rr(m, 'mulh', x27, x22, x3, 0x0, 0x0, 0x7)
err += test_rr(m, 'mulh', x28, x2, x22, 0x2, 0x7fffffff, 0x6)
err += test_rr(m, 'mulh', x23, x28, x29, 0x0, 0x1, 0x55555555)
err += test_rr(m, 'mulh', x20, x13, x19, 0x0, 0x66666667, 0x2)
err += test_rr(m, 'mulh', x22, x5, x12, 0x0, 0x0, 0x4)
err += test_rr(m, 'mulh', x25, x10, x18, 0x0, 0x4, 0x8)
err += test_rr(m, 'mulh', x9, x25, x15, 0xffffffff, -0x11, 0x10)
err += test_rr(m, 'mulh', x2, x16, x28, 0x0, 0x5, 0x20)
err += test_rr(m, 'mulh', x1, x9, x10, 0x0, 0x40000, 0x80)
err += test_rr(m, 'mulh', x11, x20, x5, 0xffffffdf, -0x20000001, 0x100)
# mulhsu
err += test_rr(m, 'mulhsu', x22, x22, x10, 0x0, 0x4, 0x3)
err += test_rr(m, 'mulhsu', x2, x23, x23, 0x0, 0x80, 0x80)
err += test_rr(m, 'mulhsu', x19, x2, x19, 0x0, 0xb503, 0x0)
err += test_rr(m, 'mulhsu', x7, x25, x9, 0x3, 0x4, 0xffffffff)
err += test_rr(m, 'mulhsu', x28, x28, x28, 0xe3ffffff, -0x20000001, -0x20000001)
err += test_rr(m, 'mulhsu', x8, x0, x18, 0x0, 0x0, 0xffffffdf)
err += test_rr(m, 'mulhsu', x12, x14, x15, 0x0, 0x0, 0x12)
err += test_rr(m, 'mulhsu', x4, x13, x3, 0x77fffffe, 0x7fffffff, 0xefffffff)
err += test_rr(m, 'mulhsu', x30, x6, x16, 0x0, 0x1, 0x400)
err += test_rr(m, 'mulhsu', x1, x8, x5, 0x0, 0x3, 0x2)
err += test_rr(m, 'mulhsu', x9, x11, x27, 0x0, 0x6, 0x4)
err += test_rr(m, 'mulhsu', x13, x27, x25, 0xfffffffe, -0x40000000, 0x8)
err += test_rr(m, 'mulhsu', x16, x30, x14, 0xffffffff, -0x41, 0x10)
err += test_rr(m, 'mulhsu', x11, x15, x22, 0xffffffff, -0x5, 0x20)
err += test_rr(m, 'mulhsu', x29, x16, x4, 0xffffffff, -0x41, 0x40)
err += test_rr(m, 'mulhsu', x21, x24, x13, 0x8, 0x8000000, 0x100)
err += test_rr(m, 'mulhsu', x26, x19, x6, 0xffffffff, -0x101, 0x200)
err += test_rr(m, 'mulhsu', x18, x9, x31, 0x199, 0x33333334, 0x800)
err += test_rr(m, 'mulhsu', x25, x5, x7, 0x0, 0xb504, 0x1000)
err += test_rr(m, 'mulhsu', x0, x26, x17, 0, 0x400000, 0x2000)
# mulhu
err += test_rr(m, 'mulhu', x30, x30, x23, 0x3, 0x4, 0xfffffff7)
err += test_rr(m, 'mulhu', x15, x20, x20, 0x40000000, 0x80000000, 0x80000000)
err += test_rr(m, 'mulhu', x13, x8, x13, 0x0, 0x0, 0x0)
err += test_rr(m, 'mulhu', x10, x4, x6, 0x7f, 0x80, 0xffffffff)
err += test_rr(m, 'mulhu', x26, x26, x26, 0x28f5c28f, 0x66666666, 0x66666666)
err += test_rr(m, 'mulhu', x20, x21, x4, 0x8, 0xffffffff, 0x9)
err += test_rr(m, 'mulhu', x18, x23, x11, 0x0, 0x1, 0x200)
err += test_rr(m, 'mulhu', x27, x16, x18, 0x0, 0x0, 0x2)
err += test_rr(m, 'mulhu', x22, x7, x5, 0x0, 0x10000000, 0x4)
err += test_rr(m, 'mulhu', x3, x31, x1, 0x0, 0x10000000, 0x8)
err += test_rr(m, 'mulhu', x2, x15, x12, 0x0, 0x200, 0x10)
err += test_rr(m, 'mulhu', x5, x1, x15, 0x0, 0x3, 0x20)
err += test_rr(m, 'mulhu', x8, x28, x9, 0x2a, 0xaaaaaaaa, 0x40)
err += test_rr(m, 'mulhu', x14, x5, x24, 0x33, 0x66666667, 0x80)
err += test_rr(m, 'mulhu', x0, x12, x2, 0, 0x55555555, 0x100)
err += test_rr(m, 'mulhu', x19, x9, x30, 0x0, 0x100, 0x400)
err += test_rr(m, 'mulhu', x17, x6, x22, 0x0, 0x6, 0x800)
err += test_rr(m, 'mulhu', x16, x17, x0, 0x0, 0x2, 0x0)
err += test_rr(m, 'mulhu', x24, x18, x16, 0x1fff, 0xfffffff7, 0x2000)
err += test_rr(m, 'mulhu', x28, x3, x21, 0x0, 0xfffe, 0x4000)
# div
err += test_rr(m, 'div', x0, x0, x26, 0, 0x0, 0x40000)
err += test_rr(m, 'div', x19, x17, x17, 0x1, 0x100, 0x100)
err += test_rr(m, 'div', x11, x26, x11, 0x2001, -0x2001, -0x1)
err += test_rr(m, 'div', x18, x30, x5, 0x0, -0x11, 0x10000)
err += test_rr(m, 'div', x10, x10, x10, 0x1, 0x80000, 0x80000)
err += test_rr(m, 'div', x16, x29, x25, 0x0, -0x101, -0x80000000)
err += test_rr(m, 'div', x17, x4, x0, 0xFFFFFFFF, 0x80, 0x0)
err += test_rr(m, 'div', x12, x31, x20, 0x0, 0x55555555, 0x7fffffff)
err += test_rr(m, 'div', x21, x13, x29, 0xffff4afd, -0xb503, 0x1)
err += test_rr(m, 'div', x31, x20, x30, 0x7ff, -0x80000000, -0x100001)
err += test_rr(m, 'div', x20, x7, x13, 0x0, 0x0, -0x9)
err += test_rr(m, 'div', x4, x5, x14, 0x1, 0x7fffffff, 0x7fffffff)
err += test_rr(m, 'div', x1, x6, x23, 0x0, 0x1, 0x5)
err += test_rr(m, 'div', x24, x22, x6, 0xfffffffe, -0x5, 0x2)
err += test_rr(m, 'div', x7, x27, x24, 0xfffffffe, -0x8, 0x4)
err += test_rr(m, 'div', x29, x25, x9, 0x0, 0x0, 0x8)
err += test_rr(m, 'div', x9, x28, x3, 0x400, 0x4000, 0x10)
err += test_rr(m, 'div', x27, x21, x31, 0x1999999, 0x33333332, 0x20)
err += test_rr(m, 'div', x14, x9, x1, 0x1999999, 0x66666666, 0x40)
err += test_rr(m, 'div', x13, x8, x28, 0x0, 0x10, 0x80)
# divu
err += test_rr(m, 'divu', x31, x31, x30, 0x0, 0x66666666, 0xffbfffff)
err += test_rr(m, 'divu', x4, x16, x16, 0x1, 0xfffe, 0xfffe)
err += test_rr(m, 'divu', x29, x27, x29, 0xFFFFFFFF, 0xaaaaaaaa, 0x0)
err += test_rr(m, 'divu', x8, x12, x5, 0x0, 0x200000, 0xffffffff)
err += test_rr(m, 'divu', x6, x6, x6, 0x1, 0x40000, 0x40000)
err += test_rr(m, 'divu', x21, x30, x25, 0x0, 0x0, 0xfff7ffff)
err += test_rr(m, 'divu', x19, x2, x18, 0x1ffff, 0xffffffff, 0x8000)
err += test_rr(m, 'divu', x30, x20, x0, 0xFFFFFFFF, 0x1, 0x0)
err += test_rr(m, 'divu', x5, x15, x31, 0x7fff7fff, 0xfffeffff, 0x2)
err += test_rr(m, 'divu', x22, x10, x28, 0x10000, 0x40000, 0x4)
err += test_rr(m, 'divu', x15, x7, x20, 0x0, 0x6, 0x8)
err += test_rr(m, 'divu', x28, x25, x27, 0x80, 0x800, 0x10)
err += test_rr(m, 'divu', x12, x8, x26, 0x4000, 0x80000, 0x20)
err += test_rr(m, 'divu', x18, x13, x17, 0x8000, 0x200000, 0x40)
err += test_rr(m, 'divu', x27, x9, x24, 0x1fffeff, 0xffff7fff, 0x80)
err += test_rr(m, 'divu', x25, x3, x1, 0x0, 0x0, 0x100)
err += test_rr(m, 'divu', x13, x18, x12, 0x7ffffb, 0xfffff7ff, 0x200)
err += test_rr(m, 'divu', x7, x19, x3, 0x100000, 0x40000000, 0x400)
err += test_rr(m, 'divu', x3, x5, x22, 0x1ffbff, 0xffdfffff, 0x800)
err += test_rr(m, 'divu', x14, x1, x7, 0x0, 0x2, 0x1000)
# rem
err += test_rr(m, 'rem', x11, x24, x11, 0x0, 0x55555556, 0x2)
err += test_rr(m, 'rem', x2, x2, x2, 0x0, 0x40, 0x40)
err += test_rr(m, 'rem', x13, x3, x3, 0x0, -0x41, -0x41)
err += test_rr(m, 'rem', x25, x5, x1, 0x0, -0x80000000, 0x10000)
err += test_rr(m, 'rem', x22, x22, x17, 0x0, 0xb504, 0xb504)
err += test_rr(m, 'rem', x4, x27, x7, 0x55555554, 0x55555554, -0x80000000)
err += test_rr(m, 'rem', x5, x8, x25, 0x200000, 0x200000, 0x0)
err += test_rr(m, 'rem', x14, x4, x0, -0xb503, -0xb503, 0x0)
err += test_rr(m, 'rem', x24, x9, x13, 0x0, 0x6, 0x1)
err += test_rr(m, 'rem', x30, x28, x18, 0x0, 0x0, 0x4)
err += test_rr(m, 'rem', x19, x13, x16, 0x7, 0x7fffffff, -0xa)
err += test_rr(m, 'rem', x20, x7, x9, 0x1, 0x1, 0xb503)
err += test_rr(m, 'rem', x7, x0, x6, 0x0, 0x0, 0x8)
err += test_rr(m, 'rem', x16, x18, x24, 0x0, 0x200, 0x10)
err += test_rr(m, 'rem', x23, x15, x21, -0x1, -0x101, 0x20)
err += test_rr(m, 'rem', x17, x1, x14, -0x1, -0x10000001, 0x40)
err += test_rr(m, 'rem', x1, x19, x15, -0x3, -0x3, 0x80)
err += test_rr(m, 'rem', x15, x11, x12, -0x1, -0x1000001, 0x100)
err += test_rr(m, 'rem', x3, x6, x20, -0x1, -0x800001, 0x200)
err += test_rr(m, 'rem', x10, x25, x30, -0x1, -0x4001, 0x400)
# remu
err += test_rr(m, 'remu', x7, x7, x21, 0x3ff80000, 0xfff7ffff, 0xbfffffff)
err += test_rr(m, 'remu', x30, x9, x9, 0x0, 0x800000, 0x800000)
err += test_rr(m, 'remu', x6, x26, x6, 0xfffffbff, 0xfffffbff, 0x0)
err += test_rr(m, 'remu', x25, x17, x2, 0x400, 0x400, 0xffffffff)
err += test_rr(m, 'remu', x16, x16, x16, 0x0, 0xaaaaaaaa, 0xaaaaaaaa)
err += test_rr(m, 'remu', x5, x2, x1, 0x0, 0x0, 0x66666666)
err += test_rr(m, 'remu', x15, x1, x26, 0x4, 0xffffffff, 0xfffffffb)
err += test_rr(m, 'remu', x0, x29, x15, 0, 0x1, 0xffff7fff)
err += test_rr(m, 'remu', x28, x15, x31, 0x0, 0x1000, 0x2)
err += test_rr(m, 'remu', x21, x3, x7, 0x0, 0x20000000, 0x4)
err += test_rr(m, 'remu', x20, x5, x11, 0x5, 0xd, 0x8)
err += test_rr(m, 'remu', x31, x30, x8, 0x6, 0x6, 0x10)
err += test_rr(m, 'remu', x9, x12, x5, 0xf, 0xf, 0x20)
err += test_rr(m, 'remu', x11, x31, x4, 0x3f, 0xff7fffff, 0x40)
err += test_rr(m, 'remu', x14, x27, x10, 0x40, 0x40, 0x80)
err += test_rr(m, 'remu', x13, x25, x14, 0x0, 0x100, 0x100)
err += test_rr(m, 'remu', x22, x18, x0, 0xa, 0xa, 0x0)
err += test_rr(m, 'remu', x3, x22, x12, 0x103, 0xb503, 0x400)
err += test_rr(m, 'remu', x24, x19, x3, 0x7fb, 0xfffffffb, 0x800)
err += test_rr(m, 'remu', x19, x0, x17, 0x0, 0x0, 0x1000)
print('ALU-tests errors: ' + str(err))
#-------------------------------------------------------------------------------
# some basic tests for load/store instructions
#-------------------------------------------------------------------------------
#m.mem[7] = -7; m.mem[8] = -8; m.mem[9] = -9; m.mem[10] = 10
#m.mem[11] = -11; m.mem[12] = 12; m.mem[13] = 13; m.x[9] = 9
#m.LB(1, -1, 9); print(m.x[1])
#m.LBU(1, -1, 9); print(m.x[1])
#m.LH(1, 1, 9); print(m.x[1]); print(10 - 256*11)
#m.x[2] = -1023
#m.SH(2, 1, 9); print(m.mem[10]); print(_i8(m.mem[11]))
# TODO: improve these tests, they should be self-checking; or just replace them
# by the official RISC-V test-suite or unit tests
# TODO: execute already compiled hex-files tests from
# https://github.com/ucb-bar/riscv-mini/blob/main/tests/rv32ui-p-add.hex