diff options
Diffstat (limited to 'techlibs/common/techmap.v')
| -rw-r--r-- | techlibs/common/techmap.v | 37 |
1 files changed, 0 insertions, 37 deletions
diff --git a/techlibs/common/techmap.v b/techlibs/common/techmap.v index 3670bd69..e1d5bd82 100644 --- a/techlibs/common/techmap.v +++ b/techlibs/common/techmap.v @@ -794,40 +794,3 @@ module \$pmux (A, B, S, Y); assign Y = |S ? Y_B : A; endmodule -module \$safe_pmux (A, B, S, Y); - parameter WIDTH = 1; - parameter S_WIDTH = 1; - - input [WIDTH-1:0] A; - input [WIDTH*S_WIDTH-1:0] B; - input [S_WIDTH-1:0] S; - output [WIDTH-1:0] Y; - - wire [S_WIDTH-1:0] status_found_first; - wire [S_WIDTH-1:0] status_found_second; - - genvar i; - generate - for (i = 0; i < S_WIDTH; i = i + 1) begin:GEN1 - wire pre_first; - if (i > 0) begin:GEN2 - assign pre_first = status_found_first[i-1]; - end:GEN2 else begin:GEN3 - assign pre_first = 0; - end:GEN3 - assign status_found_first[i] = pre_first | S[i]; - assign status_found_second[i] = pre_first & S[i]; - end:GEN1 - endgenerate - - \$pmux #( - .WIDTH(WIDTH), - .S_WIDTH(S_WIDTH) - ) pmux_cell ( - .A(A), - .B(B), - .S(S & {S_WIDTH{~|status_found_second}}), - .Y(Y) - ); -endmodule - |