diff options
Diffstat (limited to 'techlibs/common/simlib.v')
| -rw-r--r-- | techlibs/common/simlib.v | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/techlibs/common/simlib.v b/techlibs/common/simlib.v index 76aa4a52..c2f6cb27 100644 --- a/techlibs/common/simlib.v +++ b/techlibs/common/simlib.v @@ -455,11 +455,12 @@ input [B_WIDTH-1:0] B; output [Y_WIDTH-1:0] Y; generate - if (B_SIGNED) begin:BLOCK1 - assign Y = A[$signed(B) +: Y_WIDTH]; - end else begin:BLOCK2 - assign Y = A[B +: Y_WIDTH]; - end + if (Y_WIDTH > 0) + if (B_SIGNED) begin:BLOCK1 + assign Y = A[$signed(B) +: Y_WIDTH]; + end else begin:BLOCK2 + assign Y = A[B +: Y_WIDTH]; + end endgenerate endmodule |