Re: [Qemu-devel] [PATCH] include/fpu/softfloat: Fix compilation with Clang on s390x

[Richard Henderson]

On 1/14/19 11:12 PM, Thomas Huth wrote:
> Clang v7.0.1 does not like the __int128 variable type for inline
> assembly on s390x:
> 
> In file included from fpu/softfloat.c:97:
> include/fpu/softfloat-macros.h:647:9: error: inline asm error:
>  This value type register class is not natively supported!
>     asm("dlgr %0, %1" : "+r"(n) : "r"(d));
>         ^
> 
> Disable this code part there now when compiling with Clang, so that
> the generic code gets used instead.
> 
> Signed-off-by: Thomas Huth <address@hidden>
> ---
>  include/fpu/softfloat-macros.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Reviewed-by: Richard Henderson <address@hidden>

Regardless of whatever follow-up we might do wrt CONFIG_INT128.


r~