| // ROW_MAX: streaming maximum of signed 32-bit values. 'clear' restarts the scan. | |
| module fa_row_max ( | |
| input logic clk, | |
| input logic rst_n, | |
| input logic clear, | |
| input logic in_valid, | |
| input logic signed [31:0] in_val, | |
| output logic signed [31:0] max_val | |
| ); | |
| logic has; | |
| always_ff @(posedge clk or negedge rst_n) begin | |
| if (!rst_n) begin | |
| has <= 1'b0; | |
| max_val <= '0; | |
| end else if (clear) begin | |
| has <= 1'b0; | |
| max_val <= '0; | |
| end else if (in_valid) begin | |
| if (!has || in_val > max_val) max_val <= in_val; | |
| has <= 1'b1; | |
| end | |
| end | |
| endmodule : fa_row_max | |