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Am 12.11.2013 23:29, schrieb Christophe VG:
> Hello,
>
> while getting sdcc up and running for a new project, I stumbled
> upon the following.
>
> $ cat minimal.c typedef unsigned long long QWORD; // 64-bit
> unsigned typedef signed long long LONGLONG; // 64-bit signed
>
> void main(void) { }
>
> $ sdcc minimal.c minimal.c:1: error 206: invalid combination of
> short / long minimal.c:2: error 206: invalid combination of short /
> long
>
> $ sdcc --version SDCC :
> mcs51/gbz80/z80/z180/r2k/r3ka/ds390/pic16/pic14/TININative/ds400/hc08/s08
> 3.3.0 #8604 (Nov 12 2013) (Mac OS X x86_64)
>
> Although I on the homepage I do read that sdcc’s features include:
> "basic (no integer constants) support for long long (64 bit, 8
> bytes) data types for the z80, z180, r2k, r3ka, gbz80, hc08 and s08
> targets.”
>
> Sorry, if I’m not seeing the elephant in the room here :-) Thanks
> for helping out in advance, regards, Christophe VG
sdcc minimal.c
will compile minimal.c interpreted as source code written in the C89
dialect sdcc uses by default for the mcs51 target.
long long was introduced in C99, and is thus not allowed in C89 (and
the C89 dialect sdcc uses by default). AFAIK the mcs51 target does not
support long long. You need to compile using a C standard that has
long long and for a target that supports it, e.g.
sdcc --std-c99 -mz80 minimal.c
Philipp
P.S.: Even though not mentioned on the homepage, the tlcs90 and stm8
targets support long long, too.
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