https://gcc.gnu.org/bugzilla/show_bug.cgi?id=15896
Eric Gallager <egallager at gcc dot gnu.org> changed:
What |Removed |Added
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Status|NEW |WAITING
--- Comment #3 from Eric Gallager <egallager at gcc dot gnu.org> ---
(In reply to Eric Gallager from comment #2)
> (In reply to Andrew Pinski from comment #1)
> > I don't know Ada that well (in terms of promotions and types) but the
> > following C code produces the
> > same ICE so I might assume the issue is that My_Type+constant is being
> > promoted to unsigned long
> > long or something along that line:
> > int f()
> > {
> > unsigned long long cu32 = 1;
> > asm("%0"::"a"(cu32));
> > }
>
> Does this still happen with newer versions of GCC? I can't reproduce with
> gcc 7, but I'm assuming that's due to target differences; I get different
> messages depending on 32-bit or 64-bit, but neither of them are an ICE:
>
> $ gcc -c -m32 15896.c
> 15896.c: In function 'f':
> 15896.c:4:3: error: inconsistent operand constraints in an 'asm'
> asm("%0"::"a"(cu32));
> ^~~
> $ gcc -c -m64 15896.c
> 15896.c:4:Junk character 37 (%).
> 15896.c:4:Rest of line ignored. 1st junk character valued 114 (r).
> $
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