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gen/common/Reduce: Add ADD support.

This commit is contained in:
Florent Kermarrec 2022-10-28 19:13:27 +02:00
parent 5106fd43fc
commit a10b1fd1e6
2 changed files with 11 additions and 1 deletions
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3
litex/gen/common.py
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@ -26,7 +26,7 @@ def reverse_bytes(s):
# Reduction ---------------------------------------------------------------------------------------- # Reduction ----------------------------------------------------------------------------------------
from functools import reduce from functools import reduce
from operator import and_, or_, not_, xor from operator import and_, or_, not_, xor, add
def Reduce(operator, value): def Reduce(operator, value):
# List of supported Operators. # List of supported Operators.
@ -35,6 +35,7 @@ def Reduce(operator, value):
"OR" : or_, "OR" : or_,
"NOR" : not_, "NOR" : not_,
"XOR" : xor, "XOR" : xor,
"ADD" : add,
} }
# Switch to upper-case. # Switch to upper-case.

9
test/test_reduce.py
View File

@ -50,3 +50,12 @@ class TestReduce(unittest.TestCase):
self.reduce_test(operator="XOR", value=Constant(0b01, 2), reduced=0b1) self.reduce_test(operator="XOR", value=Constant(0b01, 2), reduced=0b1)
self.reduce_test(operator="XOR", value=Constant(0b10, 2), reduced=0b1) self.reduce_test(operator="XOR", value=Constant(0b10, 2), reduced=0b1)
self.reduce_test(operator="XOR", value=Constant(0b11, 2), reduced=0b0) self.reduce_test(operator="XOR", value=Constant(0b11, 2), reduced=0b0)
def test_reduced_add(self):
self.reduce_test(operator="ADD", value=Constant(0b000, 3), reduced=0)
self.reduce_test(operator="ADD", value=Constant(0b001, 3), reduced=1)
self.reduce_test(operator="ADD", value=Constant(0b010, 3), reduced=1)
self.reduce_test(operator="ADD", value=Constant(0b100, 3), reduced=1)
self.reduce_test(operator="ADD", value=Constant(0b011, 3), reduced=2)
self.reduce_test(operator="ADD", value=Constant(0b110, 3), reduced=2)
self.reduce_test(operator="ADD", value=Constant(0b111, 3), reduced=3)