Did share, opt_share and fsm

tests/opt_share/generate_mk.py

@@ -0,0 +1,80 @@
+#!/usr/bin/env python3
+
+import sys
+sys.path.append("..")
+
+import gen_tests_makefile
+
+import argparse
+import sys
+import random
+from pathlib import Path
+
+def random_plus_x():
+    return "%s x" % random.choice(['+', '+', '+', '-', '-', '|', '&', '^'])
+
+def maybe_plus_x(expr):
+    if random.randint(0, 4) == 0:
+        return "(%s %s)" % (expr, random_plus_x())
+    else:
+        return expr
+
+parser = argparse.ArgumentParser(formatter_class=argparse.ArgumentDefaultsHelpFormatter)
+parser.add_argument('-S', '--seed',  type = int, help = 'seed for PRNG')
+parser.add_argument('-c', '--count', type = int, default = 100, help = 'number of test cases to generate')
+args = parser.parse_args()
+
+seed = args.seed
+if seed is None:
+    seed = random.randrange(sys.maxsize)
+print("opt_share PRNG seed: %d" % seed)
+random.seed(seed)
+
+for path in Path(".").glob("uut_*.*"):
+    if path.is_file():
+        path.unlink()
+
+for idx in range(args.count):
+    with open('uut_%05d.v' % idx, 'w') as f:
+        with gen_tests_makefile.redirect_stdout(f):
+            print('module uut_%05d(a, b, c, s, y);' % (idx))
+            op = random.choice([
+                random.choice(['+', '-', '*', '/', '%']),
+                random.choice(['<', '<=', '==', '!=', '===', '!==', '>=',
+                               '>']),
+                random.choice(['<<', '>>', '<<<', '>>>']),
+                random.choice(['|', '&', '^', '~^', '||', '&&']),
+            ])
+            print('  input%s [%d:0] a;' % (random.choice(['', ' signed']), 8))
+            print('  input%s [%d:0] b;' % (random.choice(['', ' signed']), 8))
+            print('  input%s [%d:0] c;' % (random.choice(['', ' signed']), 8))
+            print('  input s;')
+            print('  output [%d:0] y;' % 8)
+            ops1 = ['a', 'b']
+            ops2 = ['a', 'c']
+            random.shuffle(ops1)
+            random.shuffle(ops2)
+            cast1 = random.choice(['', '$signed', '$unsigned'])
+            cast2 = random.choice(['', '$signed', '$unsigned'])
+            print('  assign y = (s ? %s(%s %s %s) : %s(%s %s %s));' %
+                  (cast1, ops1[0], op, ops1[1],
+                   cast2, ops2[0], op, ops2[1]))
+            print('endmodule')
+
+    with open('uut_%05d.ys' % idx, 'w') as f:
+        with gen_tests_makefile.redirect_stdout(f):
+            print('read_verilog uut_%05d.v' % idx)
+            print('proc;;')
+            print('copy uut_%05d gold' % idx)
+            print('rename uut_%05d gate' % idx)
+            print('tee -o uut_%05d.txt opt gate' % idx)
+            print('tee -o uut_%05d.txt opt_share gate' % idx)
+            print('tee -o uut_%05d.txt opt_clean gate' % idx)
+            print(
+                'miter -equiv -flatten -ignore_gold_x -make_outputs -make_outcmp gold gate miter'
+            )
+            print(
+                'sat -set-def-inputs -verify -prove trigger 0 -show-inputs -show-outputs miter'
+            )
+
+gen_tests_makefile.generate(["--yosys-scripts"])