David Laight [mailto:David.Laight@xxxxxxxxxx] > Sent: Thursday, March 16, 2017 10:28 PM [...] > If you are really lucky the compiler will optimise it away. > Otherwise it will generate another local variable and possibly > a register spill to stack. However, I could reduce the time for calculating the address, because I only calculate it once and save the result to a variable. Right? Best Regards, Hayes -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html