From: Clifford Wolf <clifford@clifford.at>
Date: Fri, 25 Sep 2015 12:22:33 +0000 (+0200)
Subject: Bugfix in bram read-enable code
X-Git-Tag: yosys-0.6~130
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=4864736167ba7538bc5f526ed251a74e184f6539;p=yosys.git

Bugfix in bram read-enable code
---

diff --git a/passes/memory/memory_bram.cc b/passes/memory/memory_bram.cc
index 3e83a6d9b..b371578d4 100644
--- a/passes/memory/memory_bram.cc
+++ b/passes/memory/memory_bram.cc
@@ -859,8 +859,11 @@ grow_read_ports:;
 				if (pi.enable)
 				{
 					SigSpec sig_en = pi.sig_en;
-					sig_en.extend_u0((grid_d+1) * pi.enable);
-					sig_en = sig_en.extract(grid_d * pi.enable, pi.enable);
+
+					if (pi.wrmode == 1) {
+						sig_en.extend_u0((grid_d+1) * pi.enable);
+						sig_en = sig_en.extract(grid_d * pi.enable, pi.enable);
+					}
 
 					if (!addr_ok.empty())
 						sig_en = module->Mux(NEW_ID, SigSpec(0, GetSize(sig_en)), sig_en, addr_ok);