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prjxray/minitests/clb_muxf8
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Davide 73b1e27f78 Added tags for headers, subheaders and structured README files a bit 
Signed-off-by: Davide <davide.toldo@stud.tu-darmstadt.de>
 		2018-02-14 12:24:18 +01:00
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.gitignore clb_muxf8 minitest 2017-12-22 15:37:21 -08:00
Makefile clb_muxf8 minitest 2017-12-22 15:37:21 -08:00
README.md Added tags for headers, subheaders and structured README files a bit 2018-02-14 12:24:18 +01:00
top.v clb_muxf8 minitest 2017-12-22 15:37:21 -08:00

README.md

CLB_MUXF8 Minitest

Purpose

This tests an issue related to Vivado 2017.2 vs 2017.3 changing MUXF8 behavior
The general issue is the LUT6_2 cannot be used with a MUXF8 (even if O5 is unused)

General notes:

-2017.2: LUT6_2 works with MUXF8
-2017.3: LUT6_2 does not work with MUXF8
-All: LUT6 works with MUXF8
-All: MUXF8 (even with MUXF7) can be instantiated unconnected
-2017.4 seems to behave like 2017.3