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Make MUXF{7,8} and CARRY4 whitebox
author
Eddie Hung
<eddie@fpgeh.com>
Tue, 28 May 2019 06:09:06 +0000
(23:09 -0700)
committer
Eddie Hung
<eddie@fpgeh.com>
Tue, 28 May 2019 06:09:06 +0000
(23:09 -0700)
techlibs/xilinx/abc.box
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diff --git
a/techlibs/xilinx/abc.box
b/techlibs/xilinx/abc.box
index 4d907c7e25b656e9379ac0a878c6436638968e86..b3972ddb3a0f04ede2b67c9ce7ace9430fb6d6eb 100644
(file)
--- a/
techlibs/xilinx/abc.box
+++ b/
techlibs/xilinx/abc.box
@@
-3,18
+3,18
@@
# F7BMUX slower than F7AMUX
# Inputs: I0 I1 S0
# Outputs: O
-F7BMUX 1
0
3 1
+F7BMUX 1
1
3 1
217 223 296
# Inputs: I0 I1 S0
# Outputs: O
-MUXF8 2
0
3 1
+MUXF8 2
1
3 1
104 94 273
# CARRY4 + CARRY4_[ABCD]X
# Inputs: CI CYINIT DI0 DI1 DI2 DI3 S0 S1 S2 S3
# Outputs: CO0 CO1 CO2 CO3 O0 O1 O2 O3
-CARRY4 3
0
10 8
+CARRY4 3
1
10 8
271 536 379 - - - 340 - - -
157 494 465 445 - - 433 469 - -
228 592 540 520 356 - 512 548 292 -