From: Luke Kenneth Casson Leighton Date: Fri, 23 Apr 2021 18:37:33 +0000 (+0100) Subject: move div tests to openpower.test X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=81af2dc1;p=soc.git move div tests to openpower.test --- diff --git a/src/soc/fu/div/test/test_pipe_caller.py b/src/soc/fu/div/test/test_pipe_caller.py index 4c7a10f7..fa580156 100644 --- a/src/soc/fu/div/test/test_pipe_caller.py +++ b/src/soc/fu/div/test/test_pipe_caller.py @@ -1,302 +1,10 @@ import random import unittest -from openpower.simulator.program import Program -from openpower.endian import bigendian -from openpower.test.common import (TestCase, TestAccumulatorBase, skip_case) from soc.fu.div.pipe_data import DivPipeKind +from soc.fu.div.test.helper import DivTestHelper -from soc.fu.div.test.helper import (log_rand, get_cu_inputs, - set_alu_inputs, DivTestHelper) - - -class DivTestCases(TestAccumulatorBase): - def case_divdeu_regression(self): - lst = ["divdeu 3, 1, 2"] - initial_regs = [0] * 32 - initial_regs[1] = 0x1 - initial_regs[2] = 0x2 - with Program(lst, bigendian) as prog: - self.add_case(prog, initial_regs) - - def case_divde_regression3(self): - lst = ["divde 3, 1, 2"] - initial_regs = [0] * 32 - initial_regs[1] = 0x8000000000000000 - initial_regs[2] = 0xFFFFFFFFFFFFFFFF - with Program(lst, bigendian) as prog: - self.add_case(prog, initial_regs) - - def case_divwe_regression2(self): - lst = ["divwe 3, 1, 2"] - initial_regs = [0] * 32 - initial_regs[1] = 0x80000000 - initial_regs[2] = 0xFFFFFFFF - with Program(lst, bigendian) as prog: - self.add_case(prog, initial_regs) - - def case_divde_regression2(self): - lst = ["divde 3, 1, 2"] - initial_regs = [0] * 32 - initial_regs[1] = 0x1 - initial_regs[2] = 0xfffffffffffffffe - with Program(lst, bigendian) as prog: - self.add_case(prog, initial_regs) - - def case_divde_regression(self): - lst = ["divde 3, 1, 2"] - initial_regs = [0] * 32 - initial_regs[2] = 0x1 - with Program(lst, bigendian) as prog: - self.add_case(prog, initial_regs) - - def case_moduw_regression(self): - lst = ["moduw 3, 1, 2"] - initial_regs = [0] * 32 - initial_regs[1] = 0x1 - initial_regs[2] = 0xffffffffffffffff - with Program(lst, bigendian) as prog: - self.add_case(prog, initial_regs) - - def case_modsw_regression(self): - lst = ["modsw 3, 1, 2"] - initial_regs = [0] * 32 - initial_regs[1] = 0xffffffffffffffff - initial_regs[2] = 0x2 - with Program(lst, bigendian) as prog: - self.add_case(prog, initial_regs) - - def case_divweu_regression(self): - # simulator is wrong, FSM and power-instruction-analyzer both correct - lst = ["divweu 3, 1, 2"] - initial_regs = [0] * 32 - initial_regs[1] = 0x1 - initial_regs[2] = 0xffffffffffffffff - with Program(lst, bigendian) as prog: - self.add_case(prog, initial_regs) - - def case_divwe_regression(self): - # div FU and power-instruction-analyzer both correctly return 0 - # hitting behavior undefined by Power v3.1 spec, need to adjust - # simulator API to tell tests that the simulator's output doesn't - # need to completely match - lst = [f"divwe 3, 1, 2"] - initial_regs = [0] * 32 - initial_regs[1] = 1 - initial_regs[2] = 1 - with Program(lst, bigendian) as prog: - self.add_case(prog, initial_regs) - - def case_divwe__regression(self): - lst = ["divwe. 3, 1, 2"] - initial_regs = [0] * 32 - with Program(lst, bigendian) as prog: - self.add_case(prog, initial_regs) - - def case_divw_regression(self): - # simulator is wrong, FSM and power-instruction-analyzer both correct - lst = [f"divw 0, 1, 2"] - initial_regs = [0] * 32 - initial_regs[2] = 0x2 - initial_regs[1] = 0x80000000 - with Program(lst, bigendian) as prog: - self.add_case(prog, initial_regs) - - # modulo - def case_modsd_regression2(self): - lst = [f"modsd 0, 1, 2"] - initial_regs = [0] * 32 - initial_regs[2] = 0xff - initial_regs[1] = 0x7fffffffffffffff - with Program(lst, bigendian) as prog: - self.add_case(prog, initial_regs) - - # modulo - def case_modsd_regression(self): - lst = [f"modsd 17, 27, 0"] - initial_regs = [0] * 32 - initial_regs[0] = 0xff - initial_regs[27] = 0x7fffffffffffffff - with Program(lst, bigendian) as prog: - self.add_case(prog, initial_regs) - - def case_divduo_regression(self): - lst = [f"divduo. 11, 20, 6"] - initial_regs = [0] * 32 - # gpr: 00ff00ff00ff0080 <- r6 - # gpr: 000000000000007f <- r11 - # gpr: 7f6e5d4c3b2a1908 <- r20 - initial_regs[6] = 0x00ff00ff00ff0080 - initial_regs[20] = 0x7f6e5d4c3b2a1908 - with Program(lst, bigendian) as prog: - self.add_case(prog, initial_regs) - - def case_0_regression(self): - for i in range(40): - lst = ["divwo 3, 1, 2"] - initial_regs = [0] * 32 - initial_regs[1] = 0xbc716835f32ac00c - initial_regs[2] = 0xcdf69a7f7042db66 - with Program(lst, bigendian) as prog: - self.add_case(prog, initial_regs) - - def case_1_regression(self): - lst = ["divwo 3, 1, 2"] - initial_regs = [0] * 32 - initial_regs[1] = 0x10000000000000000-4 - initial_regs[2] = 0x10000000000000000-2 - with Program(lst, bigendian) as prog: - self.add_case(prog, initial_regs) - - def case_2_regression(self): - lst = ["divwo 3, 1, 2"] - initial_regs = [0] * 32 - initial_regs[1] = 0xffffffffffff9321 - initial_regs[2] = 0xffffffffffff7012 - with Program(lst, bigendian) as prog: - self.add_case(prog, initial_regs) - - def case_3_regression(self): - lst = ["divwo. 3, 1, 2"] - initial_regs = [0] * 32 - initial_regs[1] = 0x1b8e32f2458746af - initial_regs[2] = 0x6b8aee2ccf7d62e9 - with Program(lst, bigendian) as prog: - self.add_case(prog, initial_regs) - - def case_4_regression(self): - lst = ["divw 3, 1, 2"] - initial_regs = [0] * 32 - initial_regs[1] = 0x1c4e6c2f3aa4a05c - initial_regs[2] = 0xe730c2eed6cc8dd7 - with Program(lst, bigendian) as prog: - self.add_case(prog, initial_regs) - - def case_5_regression(self): - lst = ["divw 3, 1, 2", - "divwo. 6, 4, 5"] - initial_regs = [0] * 32 - initial_regs[1] = 0x1c4e6c2f3aa4a05c - initial_regs[2] = 0xe730c2eed6cc8dd7 - initial_regs[4] = 0x1b8e32f2458746af - initial_regs[5] = 0x6b8aee2ccf7d62e9 - with Program(lst, bigendian) as prog: - self.add_case(prog, initial_regs) - - def case_6_regression(self): - # CR0 not getting set properly for this one - # turns out that overflow is not set correctly in - # fu/div/output_stage.py calc_overflow - # https://bugs.libre-soc.org/show_bug.cgi?id=425 - lst = ["divw. 3, 1, 2"] - initial_regs = [0] * 32 - initial_regs[1] = 0x61c1cc3b80f2a6af - initial_regs[2] = 0x9dc66a7622c32bc0 - with Program(lst, bigendian) as prog: - self.add_case(prog, initial_regs) - - def case_7_regression(self): - # https://bugs.libre-soc.org/show_bug.cgi?id=425 - lst = ["divw. 3, 1, 2"] - initial_regs = [0] * 32 - initial_regs[1] = 0xf1791627e05e8096 - initial_regs[2] = 0xffc868bf4573da0b - with Program(lst, bigendian) as prog: - self.add_case(prog, initial_regs) - - def case_8_fsm_regression(self): # FSM result is "36" not 6 - lst = ["divwu. 3, 1, 2"] - initial_regs = [0] * 32 - initial_regs[1] = 18 - initial_regs[2] = 3 - with Program(lst, bigendian) as prog: - self.add_case(prog, initial_regs) - - def case_9_regression(self): # CR0 fails: expected 0b10, actual 0b11 - lst = ["divw. 3, 1, 2"] - initial_regs = [0] * 32 - initial_regs[1] = 1 - initial_regs[2] = 0 - with Program(lst, bigendian) as prog: - self.add_case(prog, initial_regs) - - def case_10_regression(self): # overflow fails - lst = ["divwo 3, 1, 2"] - initial_regs = [0] * 32 - initial_regs[1] = 0xbc716835f32ac00c - initial_regs[2] = 0xcdf69a7f7042db66 - with Program(lst, bigendian) as prog: - self.add_case(prog, initial_regs) - - def case_11_regression(self): - lst = ["divwo. 3, 1, 2"] - initial_regs = [0] * 32 - initial_regs[1] = 0xffffffffffffffff - initial_regs[2] = 0xffffffffffffffff - with Program(lst, bigendian) as prog: - self.add_case(prog, initial_regs) - - def case_divw_by_zero_1(self): - lst = ["divw. 3, 1, 2"] - initial_regs = [0] * 32 - initial_regs[1] = 0x1 - initial_regs[2] = 0x0 - with Program(lst, bigendian) as prog: - self.add_case(prog, initial_regs) - - def case_divw_overflow2(self): - lst = ["divw. 3, 1, 2"] - initial_regs = [0] * 32 - initial_regs[1] = 0x80000000 - initial_regs[2] = 0xffffffffffffffff # top bits don't seem to matter - with Program(lst, bigendian) as prog: - self.add_case(prog, initial_regs) - - def case_divw_overflow3(self): - lst = ["divw. 3, 1, 2"] - initial_regs = [0] * 32 - initial_regs[1] = 0x80000000 - initial_regs[2] = 0xffffffff - with Program(lst, bigendian) as prog: - self.add_case(prog, initial_regs) - - def case_divwuo_regression_1(self): - lst = ["divwuo. 3, 1, 2"] - initial_regs = [0] * 32 - initial_regs[1] = 0x7591a398c4e32b68 - initial_regs[2] = 0x48674ab432867d69 - with Program(lst, bigendian) as prog: - self.add_case(prog, initial_regs) - - def case_divwuo_1(self): - lst = ["divwuo. 3, 1, 2"] - initial_regs = [0] * 32 - initial_regs[1] = 0x50 - initial_regs[2] = 0x2 - with Program(lst, bigendian) as prog: - self.add_case(prog, initial_regs) - - def case_rand_divwu(self): - insns = ["divwu", "divwu.", "divwuo", "divwuo."] - for i in range(40): - choice = random.choice(insns) - lst = [f"{choice} 3, 1, 2"] - initial_regs = [0] * 32 - initial_regs[1] = log_rand(32) - initial_regs[2] = log_rand(32) - with Program(lst, bigendian) as prog: - self.add_case(prog, initial_regs) - - def case_rand_divw(self): - insns = ["divw", "divw.", "divwo", "divwo."] - for i in range(40): - choice = random.choice(insns) - lst = [f"{choice} 3, 1, 2"] - initial_regs = [0] * 32 - initial_regs[1] = log_rand(32) - initial_regs[2] = log_rand(32) - with Program(lst, bigendian) as prog: - self.add_case(prog, initial_regs) +from openpower.test.div.div_cases import DivTestCases class TestPipe(DivTestHelper):