luke
/
icestorm
mirror of https://github.com/YosysHQ/icestorm.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #170 from mithro/const-lut-out 

icebox_vlog: Fix constant LUT output.
This commit is contained in:
Clifford Wolf 2018-07-10 21:19:38 +02:00 committed by GitHub
parent 16a9962fb1 d0f654b0c6
commit 28d9f2f1ac
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
icebox/icebox_vlog.py
View File

@ -842,9 +842,9 @@ for lut in luts_queue:
else:
always_stmts.append("/* FF %2d %2d %2d */ assign %s = %s;" % (lut[0], lut[1], lut[2], net_out, net_lout))
if not "1" in lut_bits:
const_assigns.append([net_out, "1'b0"])
const_assigns.append([net_lout, "/* LUT %2d %2d %2d */ 1'b0" % (lut[0], lut[1], lut[2])])
elif not "0" in lut_bits:
const_assigns.append([net_out, "1'b1"])
const_assigns.append([net_lout, "/* LUT %2d %2d %2d */ 1'b1" % (lut[0], lut[1], lut[2])])
else:
def make_lut_expr(bits, sigs):
if not sigs: