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More "yosys-smtbmc -c" fixes

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This commit is contained in:
Clifford Wolf 2015-10-14 23:23:25 +02:00
parent 9fd0f87059
commit 5dd3e93e8f
2 changed files with 30 additions and 9 deletions
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29
backends/smt2/smtio.py
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@ -193,10 +193,9 @@ class smtio:
return worker(stmt)[0]
def bv2hex(self, v):
if v == "true": return "1"
if v == "false": return "0"
h = ""
while len(v) > 2:
v = bv2bin(v)
while len(v) > 0:
d = 0
if len(v) > 0 and v[-1] == "1": d += 1
if len(v) > 1 and v[-2] == "1": d += 2
@ -210,7 +209,29 @@ class smtio:
def bv2bin(self, v):
if v == "true": return "1"
if v == "false": return "0"
return v[2:]
if v.startswith("#b"):
return v[2:]
if v.startswith("#x"):
digits = []
for d in v[2:]:
if d == "0": digits.append("0000")
if d == "1": digits.append("0001")
if d == "2": digits.append("0010")
if d == "3": digits.append("0011")
if d == "4": digits.append("0100")
if d == "5": digits.append("0101")
if d == "6": digits.append("0110")
if d == "7": digits.append("0111")
if d == "8": digits.append("1000")
if d == "9": digits.append("1001")
if d in ("a", "A"): digits.append("1010")
if d in ("b", "B"): digits.append("1011")
if d in ("c", "C"): digits.append("1100")
if d in ("d", "D"): digits.append("1101")
if d in ("e", "E"): digits.append("1110")
if d in ("f", "F"): digits.append("1111")
return "".join(digits)
assert False
def get(self, expr):
self.write("(get-value (%s))" % (expr))