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authorEddie Hung <eddie@fpgeh.com>2019-06-21 17:44:21 -0700
committerEddie Hung <eddie@fpgeh.com>2019-06-21 17:44:21 -0700
commit6c2cb519965ac9b4057a90cd46f474c092967be2 (patch)
tree45f545af7700a244f64a0e42f96fae37df9f2914 /techlibs/ecp5
parent301e065aeee2d6a4b5009ebdc50028bafd3aac5d (diff)
parent1abe93e48d8bb78cd0753d46dfbe1885a1e803eb (diff)
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Merge remote-tracking branch 'origin/xaig' into xc7mux
Diffstat (limited to 'techlibs/ecp5')
-rw-r--r--techlibs/ecp5/arith_map.v9
1 files changed, 5 insertions, 4 deletions
diff --git a/techlibs/ecp5/arith_map.v b/techlibs/ecp5/arith_map.v
index eb7947601..17bde0497 100644
--- a/techlibs/ecp5/arith_map.v
+++ b/techlibs/ecp5/arith_map.v
@@ -50,20 +50,21 @@ module _80_ecp5_alu (A, B, CI, BI, X, Y, CO);
wire [Y_WIDTH2-1:0] AA = A_buf;
wire [Y_WIDTH2-1:0] BB = BI ? ~B_buf : B_buf;
+ wire [Y_WIDTH2-1:0] BX = B_buf;
wire [Y_WIDTH2-1:0] C = {CO, CI};
wire [Y_WIDTH2-1:0] FCO, Y1;
genvar i;
generate for (i = 0; i < Y_WIDTH2; i = i + 2) begin:slice
CCU2C #(
- .INIT0(16'b0110011010101010),
- .INIT1(16'b0110011010101010),
+ .INIT0(16'b1001011010101010),
+ .INIT1(16'b1001011010101010),
.INJECT1_0("NO"),
.INJECT1_1("NO")
) ccu2c_i (
.CIN(C[i]),
- .A0(AA[i]), .B0(BB[i]), .C0(1'b0), .D0(1'b1),
- .A1(AA[i+1]), .B1(BB[i+1]), .C1(1'b0), .D1(1'b1),
+ .A0(AA[i]), .B0(BX[i]), .C0(BI), .D0(1'b1),
+ .A1(AA[i+1]), .B1(BX[i+1]), .C1(BI), .D1(1'b1),
.S0(Y[i]), .S1(Y1[i]),
.COUT(FCO[i])
);