wreduce - reduce the word size of operations if possible¶
yosys> help wreduce¶
wreduce [options] [selection]
This command reduces the word size of operations. For example it will replace the 32 bit adders in the following code with adders of more appropriate widths: module test(input [3:0] a, b, c, output [7:0] y); assign y = a + b + c + 1; endmodule Options:
Do not change the width of memory address ports. Use this options in flows that use the 'memory_memx' pass.
remove 'undef' inputs from $mux, $pmux and $_MUX_ cells
Do not optimize explicit don't-care values.