blob: 9992878a0063248ba9dd2c7ab144879bad82fc33 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
module lzc_16 (
input [15:0] a,
output [3:0] c,
output v
);
logic [2:0] z0;
logic [2:0] z1;
logic v0;
logic v1;
logic s0;
logic s1;
logic s2;
logic s3;
logic s4;
logic s5;
logic s6;
logic s7;
logic s8;
lzc_8 lzc_8_comp_0 (
.a(a[7:0]),
.c(z0),
.v(v0)
);
lzc_8 lzc_8_comp_1 (
.a(a[15:8]),
.c(z1),
.v(v1)
);
assign s0 = v1 | v0;
assign s1 = (~v1) & z0[0];
assign s2 = z1[0] | s1;
assign s3 = (~v1) & z0[1];
assign s4 = z1[1] | s3;
assign s5 = (~v1) & z0[2];
assign s6 = z1[2] | s5;
assign v = s0;
assign c[0] = s2;
assign c[1] = s4;
assign c[2] = s6;
assign c[3] = v1;
endmodule
|