As of today, sdcc in trunk has support for ISO C23 bit-precise integers
when targeting the stm8.
If you are interested in this functionality, please test it and report
any issues found. If you are interested, but don't use stm8, please tell
me so, maybe I add support to your architecture next week.
For those unfamiliar with bit-precise integer types: These are integer
type of precision choosen by the user, e.g. unsigned _BitInt(53) is an
unsigned integer type with 53 value bits. In SDCC, this type has three
padding bits, so it needs a total of 56 bits in memory.
Note: In SDCC, the _BitInt(N) types are most efficient, when N is a
multiple of 8.
Philipp
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