From: Clifford Wolf <clifford@clifford.at>
Date: Thu, 6 Mar 2014 11:15:44 +0000 (+0100)
Subject: Strictly zero-extend unsigned A-inputs of shift operations in techmap
X-Git-Tag: yosys-0.3.0~87
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=8406e7f7b6cb8e79f7df02c2c616073a51c1ea9e;p=yosys.git

Strictly zero-extend unsigned A-inputs of shift operations in techmap
---

diff --git a/techlibs/common/stdcells.v b/techlibs/common/stdcells.v
index a51dcb944..cddaf4c6f 100644
--- a/techlibs/common/stdcells.v
+++ b/techlibs/common/stdcells.v
@@ -174,7 +174,7 @@ output [Y_WIDTH-1:0] Y;
 genvar i;
 generate
 	wire [WIDTH*(B_WIDTH+1)-1:0] chain;
-	\$pos #(
+	\$bu0 #(
 		.A_SIGNED(A_SIGNED),
 		.A_WIDTH(A_WIDTH),
 		.Y_WIDTH(WIDTH)
@@ -233,7 +233,7 @@ output [Y_WIDTH-1:0] Y;
 genvar i;
 generate
 	wire [WIDTH*(BB_WIDTH+1)-1:0] chain;
-	\$pos #(
+	\$bu0 #(
 		.A_SIGNED(A_SIGNED),
 		.A_WIDTH(A_WIDTH),
 		.Y_WIDTH(WIDTH)
@@ -292,7 +292,7 @@ output [Y_WIDTH-1:0] Y;
 genvar i;
 generate
 	wire [WIDTH*(B_WIDTH+1)-1:0] chain;
-	\$pos #(
+	\$bu0 #(
 		.A_SIGNED(A_SIGNED),
 		.A_WIDTH(A_WIDTH),
 		.Y_WIDTH(WIDTH)
@@ -351,7 +351,7 @@ output [Y_WIDTH-1:0] Y;
 genvar i;
 generate
 	wire [WIDTH*(BB_WIDTH+1)-1:0] chain;
-	\$pos #(
+	\$bu0 #(
 		.A_SIGNED(A_SIGNED),
 		.A_WIDTH(A_WIDTH),
 		.Y_WIDTH(WIDTH)