From 92d82a736970b6ffc5fae367d0f84608957654a8 Mon Sep 17 00:00:00 2001
From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Fri, 23 Apr 2021 20:27:20 +0100
Subject: [PATCH] add logical test cases

---
 src/openpower/test/logical/logical_cases.py | 120 ++++++++++++++++++++
 1 file changed, 120 insertions(+)
 create mode 100644 src/openpower/test/logical/logical_cases.py

diff --git a/src/openpower/test/logical/logical_cases.py b/src/openpower/test/logical/logical_cases.py
new file mode 100644
index 00000000..33b77cc9
--- /dev/null
+++ b/src/openpower/test/logical/logical_cases.py
@@ -0,0 +1,120 @@
+import unittest
+from openpower.simulator.program import Program
+from openpower.endian import bigendian
+from openpower.test.common import TestAccumulatorBase
+import random
+
+
+class LogicalTestCase(TestAccumulatorBase):
+
+    def case_complement(self):
+        insns = ["andc", "orc", "nand", "nor"]
+        for i in range(40):
+            choice = random.choice(insns)
+            lst = [f"{choice} 3, 1, 2"]
+            initial_regs = [0] * 32
+            initial_regs[1] = random.randint(0, (1 << 64)-1)
+            initial_regs[2] = random.randint(0, (1 << 64)-1)
+            self.add_case(Program(lst, bigendian), initial_regs)
+
+    def case_rand(self):
+        insns = ["and", "or", "xor", "eqv"]
+        for i in range(40):
+            choice = random.choice(insns)
+            lst = [f"{choice} 3, 1, 2"]
+            initial_regs = [0] * 32
+            initial_regs[1] = random.randint(0, (1 << 64)-1)
+            initial_regs[2] = random.randint(0, (1 << 64)-1)
+            self.add_case(Program(lst, bigendian), initial_regs)
+
+    def case_rand_(self):
+        insns = ["and.", "or.", "xor.", "eqv.", "andc.",
+                 "orc.", "nand.", "nor."]
+        for XER in [0, 0xe00c0000]:
+            for i in range(40):
+                choice = random.choice(insns)
+                lst = [f"{choice} 3, 1, 2"]
+                initial_regs = [0] * 32
+                initial_regs[1] = random.randint(0, (1 << 64)-1)
+                initial_regs[2] = random.randint(0, (1 << 64)-1)
+                self.add_case(Program(lst, bigendian), initial_regs,
+                                initial_sprs = {'XER': XER})
+
+    def case_rand_imm_so(self):
+        insns = ["andi.", "andis."]
+        for i in range(1):
+            choice = random.choice(insns)
+            imm = random.randint(0, (1 << 16)-1)
+            lst = [f"{choice} 3, 1, {imm}"]
+            print(lst)
+            initial_regs = [0] * 32
+            initial_regs[1] = random.randint(0, (1 << 64)-1)
+            initial_sprs = {'XER': 0xe00c0000}
+
+            self.add_case(Program(lst, bigendian), initial_regs,
+                          initial_sprs=initial_sprs)
+
+    def case_rand_imm_logical(self):
+        insns = ["andi.", "andis.", "ori", "oris", "xori", "xoris"]
+        for i in range(10):
+            choice = random.choice(insns)
+            imm = random.randint(0, (1 << 16)-1)
+            lst = [f"{choice} 3, 1, {imm}"]
+            print(lst)
+            initial_regs = [0] * 32
+            initial_regs[1] = random.randint(0, (1 << 64)-1)
+            self.add_case(Program(lst, bigendian), initial_regs)
+
+    def case_cntz(self):
+        insns = ["cntlzd", "cnttzd", "cntlzw", "cnttzw"]
+        for i in range(100):
+            choice = random.choice(insns)
+            lst = [f"{choice} 3, 1"]
+            print(lst)
+            initial_regs = [0] * 32
+            initial_regs[1] = random.randint(0, (1 << 64)-1)
+            self.add_case(Program(lst, bigendian), initial_regs)
+
+    def case_parity(self):
+        insns = ["prtyw", "prtyd"]
+        for i in range(10):
+            choice = random.choice(insns)
+            lst = [f"{choice} 3, 1"]
+            print(lst)
+            initial_regs = [0] * 32
+            initial_regs[1] = random.randint(0, (1 << 64)-1)
+            self.add_case(Program(lst, bigendian), initial_regs)
+
+    def case_popcnt(self):
+        insns = ["popcntb", "popcntw", "popcntd"]
+        for i in range(10):
+            choice = random.choice(insns)
+            lst = [f"{choice} 3, 1"]
+            print(lst)
+            initial_regs = [0] * 32
+            initial_regs[1] = random.randint(0, (1 << 64)-1)
+            self.add_case(Program(lst, bigendian), initial_regs)
+
+    def case_popcnt_edge(self):
+        insns = ["popcntb", "popcntw", "popcntd"]
+        for choice in insns:
+            lst = [f"{choice} 3, 1"]
+            initial_regs = [0] * 32
+            initial_regs[1] = -1
+            self.add_case(Program(lst, bigendian), initial_regs)
+
+    def case_cmpb(self):
+        lst = ["cmpb 3, 1, 2"]
+        initial_regs = [0] * 32
+        initial_regs[1] = 0xdeadbeefcafec0de
+        initial_regs[2] = 0xd0adb0000afec1de
+        self.add_case(Program(lst, bigendian), initial_regs)
+
+    def case_bpermd(self):
+        lst = ["bpermd 3, 1, 2"]
+        for i in range(20):
+            initial_regs = [0] * 32
+            initial_regs[1] = 1 << random.randint(0, 63)
+            initial_regs[2] = 0xdeadbeefcafec0de
+            self.add_case(Program(lst, bigendian), initial_regs)
+
-- 
2.30.2