Hi,
as a workaround i would use a struct with the bitfields and one uint_32 or
maybe
one uint_16 and one uint_8.
I would always use such embedding because a bit field has no address in ANSI-C.
Regards,
Rolf
mspgcc-users@lists.sourceforge.net schrieb am 17.01.05 16:27:13:
>
> Hi everyone,
>
> when a function returns a struct it works fine as long as the struct
> does not contain bitfields with more than 16 bits in total. Otherwise
> I get an internal compiler error:
>
> app.c: In function `foo':
> app.c:9: insn does not satisfy its constraints:
> (insn 49 47 52 (set (reg/i:SI 15 r15)
> (reg:SI 13 r13 [37])) 57 {*movsi3} (insn_list 41 (nil))
> (nil))
> app.c:9: Internal compiler error in reload_cse_simplify_operands, at
> reload1.c:8346
> Please submit a full bug report,
> with preprocessed source if appropriate.
> See <URL:http://gcc.gnu.org/bugs.html> for instructions.
>
> Example program (app.c):
>
> /****** START *******/
> typedef struct {
> unsigned int x: 8;
> unsigned int y: 9;
> } settings_t;
>
> settings_t foo(){
> settings_t s = {1,2};
> return s;
> }
>
> int main(){
> settings_t s = foo();
> }
> /****** STOP *******/
>
> To me the code looks legal, so I guess it is a bug in the compiler,
> comments ?
>
> Regards,
> Jan
>
>
>
>
>
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