On Thu, 2018-10-25 at 16:13 +0100, Colin King wrote: > From: Colin Ian King <colin.king@xxxxxxxxxxxxx> > > In the expression "ahc_inb(ahc, port+3) << 24", the initial value is > a u8, but is promoted to a signed int, then sign-extended to > uint64_t. Why is this, that's highly non intuitive? The compiler is supposed to promote to the biggest type, which is uint64_t and then do the calculation James
