Am 12.10.20 um 17:55 schrieb Alan Cox: > On Mon, 12 Oct 2020 17:25:55 +0200 > Philipp Klaus Krause <p...@spth.de> wrote: > >> I wonder how useful arbitrary-width integers would be for SDCC users. >> >> _ExtInt(N) would be an N-bit integer type. >> >> E.e. one could have an unsigned 24-bit integer (in 3 bytes) via >> >> unsigned _ExtInt(24) i; >> >> or a 23-bit type (3 bytes in memory, 23 value bits and 1 padding bit): >> >> unsigned _ExtInt(23) i; >> >> If such a type is introduced, would you prefer this type to exempt from >> integer promotion? > > How would they pack in arrays, and how would it differ fron bitfields ? > > Alan >
Unlike bit-fields, they could be used as function parameters or return values and would have an address. In arrays, too, each element of the unsigned _ExtInt(23) mentioned above would use 3 bytes. Philipp _______________________________________________ Sdcc-user mailing list Sdcc-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/sdcc-user
