Am 02.01.2015 um 23:02 schrieb Jonas Maebe: > On 02/01/15 22:12, Florian Klämpfl wrote: >> Am 02.01.2015 um 21:34 schrieb Jonas Maebe: >>>> And except for AArch64, where 32 bit will, in principle, also be more >>>> efficient than 64 bit in all cases. It can even use the lower 8/16/32 >>>> bit of a register as index in a memory references and sign/zero-extend + >>>> optionally multiply it with the access size. >> But integer operations are done always on 64 bit in FPC? > > If you have > > var > l: longint; > a: array of word; > begin > a[l]:= ... > end > > then the index will still be a longint. >
True, so even less reasons to use PtrInt. _______________________________________________ fpc-pascal maillist - fpc-pascal@lists.freepascal.org http://lists.freepascal.org/cgi-bin/mailman/listinfo/fpc-pascal
