circuitpython/tests/micropython/viper_binop_bitwise_uint.py
Damien George 41fa8b5482 py/emitnative: Implement binary operations for viper uint operands.
uint types in viper mode can now be used for all binary operators except
floor-divide and modulo.

Fixes issue #1847 and issue #6177.

Signed-off-by: Damien George <damien@micropython.org>
2020-06-27 00:24:04 +10:00

59 lines
921 B
Python

# test bitwise operators on uint type
@micropython.viper
def shl(x: uint, y: uint) -> uint:
return x << y
print("shl")
print(shl(1, 0))
print(shl(1, 30))
print(shl(-1, 10) & 0xFFFFFFFF)
@micropython.viper
def shr(x: uint, y: uint) -> uint:
return x >> y
print("shr")
print(shr(1, 0))
print(shr(16, 3))
print(shr(-1, 1) in (0x7FFFFFFF, 0x7FFFFFFF_FFFFFFFF))
@micropython.viper
def and_(x: uint, y: uint):
return x & y, y & x
print("and")
print(*and_(1, 0))
print(*and_(1, 3))
print(*and_(-1, 2))
print(*(x & 0xFFFFFFFF for x in and_(-1, -2)))
@micropython.viper
def or_(x: uint, y: uint):
return x | y, y | x
print("or")
print(*or_(1, 0))
print(*or_(1, 2))
print(*(x & 0xFFFFFFFF for x in or_(-1, 2)))
@micropython.viper
def xor(x: uint, y: uint):
return x ^ y, y ^ x
print("xor")
print(*xor(1, 0))
print(*xor(1, 3))
print(*(x & 0xFFFFFFFF for x in xor(-1, 3)))
print(*xor(-1, -3))