mirrors/yosys
3
0
Fork 0
mirror of https://github.com/YosysHQ/yosys synced 2025-04-24 01:25:33 +00:00
Code Activity

Improved width extension with regard to undef propagation

Browse source
This commit is contained in:
Clifford Wolf 2013-11-06 20:50:53 +01:00
parent f839b842a2
commit 6fcbc79b5c
4 changed files with 171 additions and 87 deletions
Download patch file Download diff file Expand all files Collapse all files

22
techlibs/common/stdcells.v
View file

@ -245,7 +245,7 @@ parameter A_WIDTH = 1;
parameter Y_WIDTH = 1;
input [A_WIDTH-1:0] A;
output Y;
output [Y_WIDTH-1:0] Y;
wire [A_WIDTH-1:0] buffer;
@ -274,7 +274,7 @@ parameter A_WIDTH = 1;
parameter Y_WIDTH = 1;
input [A_WIDTH-1:0] A;
output Y;
output [Y_WIDTH-1:0] Y;
wire [A_WIDTH-1:0] buffer;
@ -303,7 +303,7 @@ parameter A_WIDTH = 1;
parameter Y_WIDTH = 1;
input [A_WIDTH-1:0] A;
output Y;
output [Y_WIDTH-1:0] Y;
wire [A_WIDTH-1:0] buffer;
@ -333,7 +333,7 @@ parameter A_WIDTH = 1;
parameter Y_WIDTH = 1;
input [A_WIDTH-1:0] A;
output Y;
output [Y_WIDTH-1:0] Y;
wire [A_WIDTH-1:0] buffer;
@ -365,7 +365,7 @@ parameter A_WIDTH = 1;
parameter Y_WIDTH = 1;
input [A_WIDTH-1:0] A;
output Y;
output [Y_WIDTH-1:0] Y;
wire [A_WIDTH-1:0] buffer;
@ -699,7 +699,7 @@ parameter WIDTH = A_WIDTH > B_WIDTH ? A_WIDTH : B_WIDTH;
input [A_WIDTH-1:0] A;
input [B_WIDTH-1:0] B;
output Y;
output [Y_WIDTH-1:0] Y;
wire carry, carry_sign;
wire [WIDTH-1:0] A_buf, B_buf, Y_buf;
@ -748,7 +748,7 @@ parameter WIDTH = A_WIDTH > B_WIDTH ? A_WIDTH : B_WIDTH;
input [A_WIDTH-1:0] A;
input [B_WIDTH-1:0] B;
output Y;
output [Y_WIDTH-1:0] Y;
wire carry, carry_sign;
wire [WIDTH-1:0] A_buf, B_buf, Y_buf;
@ -797,7 +797,7 @@ parameter WIDTH = A_WIDTH > B_WIDTH ? A_WIDTH : B_WIDTH;
input [A_WIDTH-1:0] A;
input [B_WIDTH-1:0] B;
output Y;
output [Y_WIDTH-1:0] Y;
wire carry, carry_sign;
wire [WIDTH-1:0] A_buf, B_buf;
@ -822,7 +822,7 @@ parameter WIDTH = A_WIDTH > B_WIDTH ? A_WIDTH : B_WIDTH;
input [A_WIDTH-1:0] A;
input [B_WIDTH-1:0] B;
output Y;
output [Y_WIDTH-1:0] Y;
wire carry, carry_sign;
wire [WIDTH-1:0] A_buf, B_buf;
@ -845,7 +845,7 @@ parameter Y_WIDTH = 1;
input [A_WIDTH-1:0] A;
input [B_WIDTH-1:0] B;
output Y;
output [Y_WIDTH-1:0] Y;
\$le #(
.A_SIGNED(B_SIGNED),
@ -872,7 +872,7 @@ parameter Y_WIDTH = 1;
input [A_WIDTH-1:0] A;
input [B_WIDTH-1:0] B;
output Y;
output [Y_WIDTH-1:0] Y;
\$lt #(
.A_SIGNED(B_SIGNED),