On Tue, Jan 14, 2020 at 12:54:10PM +0000, RECOULES Frederic wrote: > Thank you for the answer. > > Yet, I agree this example has no real meaning, but my question is, > as v is already an address (global variable), why GCC prefers to > copy the value pointed by v into the stack and give the new pointer > rather than just give v directly? Ah, I see. The copy is made in gimple already, and the RTL passes cannot get rid of this. Could you please file a bug? Segher
