维度在标识符前面的部分称为packed array,在标识符后面的部分称为unpacked array,一维的pakced array也称为vector。 packed array packed array只能由单bit数据类型(bit,logic,reg)、enum以及其他packed array和packed structure组成。packed array保证在内存中一定是一段连续的bit unpacked array unpacked array的元素数据...
Difference between logic [7:0][3:0] ARRAY; and logic ARRAY [7:0][3:0]; in system verilog kurts1March 3, 2008, 8:36pm2 When you declare an array, there are two types of dimensions: packed and unpacked. For example, imagine you have a variable that is 12 bits wide: bit[11:0]...
I managed to figure out that this was due to issue #846 (Parameters having an unpacked array type is a SystemVerilog feature that isn't supported yet), but iverilog could at least try to figure out what I was trying to do and tell me that that's not supported; the error message as...
I had the same issue, and suspect it is simply an unsupported SystemVerilog feature in Quartus II. I was able to make an unpacked structure work. Make the following change to line 140: <line 140> packed_struct array_of_structs [10:0]; I hope this works for...
localparam integer x_kernel [2:0][2:0] ={ {-1, 0, 1}, {-2, 0, 2}, {-1, 0, 1}}; wrong element type in unpacked array concatenation multiple packed dimensions are not allowed in this mode of verilog Upvote 0 Downvote Apr...