dean gaudet wrote: >you might want to disassemble the functions in gdb (or using objdump) to >make sure that gcc emits a single division instruction for the "x / 10", >"x % 10" expressions -- i forget the cases where it can and can't do this. >the low level div instruction is a two result opcode, quotient and >remainder. if it isn't doing it, then figure out how to make it do that >and you'll see even more improvement :) > I see one just idivl call in the output of gcc on x86. I assume that means it has done the optimization, right? --Brian
