diff options
Diffstat (limited to 'techlibs/common')
| -rw-r--r-- | techlibs/common/stdcells.v | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/techlibs/common/stdcells.v b/techlibs/common/stdcells.v index cddaf4c6..a05ea278 100644 --- a/techlibs/common/stdcells.v +++ b/techlibs/common/stdcells.v @@ -165,7 +165,7 @@ parameter B_WIDTH = 1; parameter Y_WIDTH = 1; parameter WIDTH = Y_WIDTH; -localparam BB_WIDTH = $clog2(WIDTH) + 1 < B_WIDTH ? $clog2(WIDTH) + 1 : B_WIDTH; +localparam BB_WIDTH = $clog2(WIDTH) + 2 < B_WIDTH ? $clog2(WIDTH) + 2 : B_WIDTH; input [A_WIDTH-1:0] A; input [B_WIDTH-1:0] B; @@ -173,7 +173,7 @@ output [Y_WIDTH-1:0] Y; genvar i; generate - wire [WIDTH*(B_WIDTH+1)-1:0] chain; + wire [WIDTH*(BB_WIDTH+1)-1:0] chain; \$bu0 #( .A_SIGNED(A_SIGNED), .A_WIDTH(A_WIDTH), @@ -224,7 +224,7 @@ parameter B_WIDTH = 1; parameter Y_WIDTH = 1; localparam WIDTH = A_WIDTH > Y_WIDTH ? A_WIDTH : Y_WIDTH; -localparam BB_WIDTH = $clog2(WIDTH) + 1 < B_WIDTH ? $clog2(WIDTH) + 1 : B_WIDTH; +localparam BB_WIDTH = $clog2(WIDTH) + 2 < B_WIDTH ? $clog2(WIDTH) + 2 : B_WIDTH; input [A_WIDTH-1:0] A; input [B_WIDTH-1:0] B; @@ -283,7 +283,7 @@ parameter B_WIDTH = 1; parameter Y_WIDTH = 1; localparam WIDTH = Y_WIDTH; -localparam BB_WIDTH = $clog2(WIDTH) + 1 < B_WIDTH ? $clog2(WIDTH) + 1 : B_WIDTH; +localparam BB_WIDTH = $clog2(WIDTH) + 2 < B_WIDTH ? $clog2(WIDTH) + 2 : B_WIDTH; input [A_WIDTH-1:0] A; input [B_WIDTH-1:0] B; @@ -291,7 +291,7 @@ output [Y_WIDTH-1:0] Y; genvar i; generate - wire [WIDTH*(B_WIDTH+1)-1:0] chain; + wire [WIDTH*(BB_WIDTH+1)-1:0] chain; \$bu0 #( .A_SIGNED(A_SIGNED), .A_WIDTH(A_WIDTH), @@ -300,8 +300,8 @@ generate .A(A), .Y(chain[WIDTH-1:0]) ); - assign Y = chain[WIDTH*(B_WIDTH+1)-1 : WIDTH*B_WIDTH]; - for (i = 0; i < B_WIDTH; i = i + 1) begin:V + assign Y = chain[WIDTH*(BB_WIDTH+1)-1 : WIDTH*BB_WIDTH]; + for (i = 0; i < BB_WIDTH; i = i + 1) begin:V wire [WIDTH-1:0] unshifted, shifted, result; assign unshifted = chain[WIDTH*i + WIDTH-1 : WIDTH*i]; assign chain[WIDTH*(i+1) + WIDTH-1 : WIDTH*(i+1)] = result; @@ -342,7 +342,7 @@ parameter B_WIDTH = 1; parameter Y_WIDTH = 1; localparam WIDTH = A_WIDTH > Y_WIDTH ? A_WIDTH : Y_WIDTH; -localparam BB_WIDTH = $clog2(WIDTH) + 1 < B_WIDTH ? $clog2(WIDTH) + 1 : B_WIDTH; +localparam BB_WIDTH = $clog2(WIDTH) + 2 < B_WIDTH ? $clog2(WIDTH) + 2 : B_WIDTH; input [A_WIDTH-1:0] A; input [B_WIDTH-1:0] B; |