diff options
Diffstat (limited to 'techlibs')
| -rw-r--r-- | techlibs/common/techmap.v | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/techlibs/common/techmap.v b/techlibs/common/techmap.v index 75a51e55e..be6530eb4 100644 --- a/techlibs/common/techmap.v +++ b/techlibs/common/techmap.v @@ -152,10 +152,11 @@ module _90_shift_shiftx (A, B, Y); localparam len = 2**(B_WIDTH-1); localparam Y_WIDTH2 = 2**CLOG2_Y_WIDTH; wire [len-1:0] T, F, AA; + wire [(A_WIDTH+Y_WIDTH2*2):0] Apad = {{Y_WIDTH2*2{extbit}}, A}; genvar i; for (i = 0; i < A_WIDTH; i=i+Y_WIDTH2*2) begin assign F[i/2 +: Y_WIDTH2] = A[i +: Y_WIDTH2]; - assign T[i/2 +: Y_WIDTH2] = (i + Y_WIDTH2 < A_WIDTH) ? A[i+Y_WIDTH2 +: Y_WIDTH2] : {Y_WIDTH2{extbit}}; + assign T[i/2 +: Y_WIDTH2] = Apad[i+Y_WIDTH2 +: Y_WIDTH2]; assign AA[i/2 +: Y_WIDTH2] = B[CLOG2_Y_WIDTH] ? T[i/2 +: Y_WIDTH2] : F[i/2 +: Y_WIDTH2]; end wire [B_WIDTH-2:0] BB = {B[B_WIDTH-1:CLOG2_Y_WIDTH+1], {CLOG2_Y_WIDTH{1'b0}}}; |