On Sun, Aug 11, 2019 at 08:31:19PM -0700, Nathan Chancellor wrote:
> From: Werner Koch <[email protected]>
> 
> * mpi/longlong.h [MIPS64][__clang__]: Use the C version like we
> already do for 32 bit MIPS
> 
> clang errors:
> 
> lib/mpi/generic_mpih-mul1.c:37:24: error: invalid use of a cast in a
> inline asm context requiring an l-value: remove the cast or build with
> -fheinous-gnu-extensions
>                 umul_ppmm(prod_high, prod_low, s1_ptr[j], s2_limb);
>                 ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> lib/mpi/longlong.h:652:20: note: expanded from macro 'umul_ppmm'
>         : "=l" ((USItype)(w0)), \
>                 ~~~~~~~~~~^~~
> lib/mpi/generic_mpih-mul1.c:37:3: error: invalid output constraint '=h'
> in asm
>                 umul_ppmm(prod_high, prod_low, s1_ptr[j], s2_limb);
>                 ^
> lib/mpi/longlong.h:653:7: note: expanded from macro 'umul_ppmm'
>              "=h" ((USItype)(w1)) \
>              ^
> 2 errors generated.
> 
> Fixes: 5ce3e312ec5c ("crypto: GnuPG based MPI lib - header files (part 2)")
> Link: https://github.com/ClangBuiltLinux/linux/issues/605
> Link: 
> https://github.com/gpg/libgcrypt/commit/e7ae0ae243c8978a67c802169183187d88557be8
> Signed-off-by: Werner Koch <[email protected]>
> [nc: Added build error and tags to commit message
>      Modified subject line
>      Removed GnuPG-bug-id
>      Removed space between defined and (__clang__)]
> Signed-off-by: Nathan Chancellor <[email protected]>
> ---
>  lib/mpi/longlong.h | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/lib/mpi/longlong.h b/lib/mpi/longlong.h
> index 8a1507fc94dd..5636e6a09f7a 100644
> --- a/lib/mpi/longlong.h
> +++ b/lib/mpi/longlong.h
> @@ -688,7 +688,8 @@ do {                                                      
>                 \
>                : "d" ((UDItype)(u)),                                  \
>                  "d" ((UDItype)(v)));                                 \
>  } while (0)
> -#elif (__GNUC__ >= 5) || (__GNUC__ >= 4 && __GNUC_MINOR__ >= 4)
> +#elif defined(__clang__) || (__GNUC__ >= 5) || (__GNUC__ == 4 && \
> +                                             __GNUC_MINOR__ >= 4)
>  #define umul_ppmm(w1, w0, u, v) \
>  do {                                                                 \
>       typedef unsigned int __ll_UTItype __attribute__((mode(TI)));    \
> -- 
> 2.23.0.rc2
> 

Hi Paul,

I noticed you didn't pick up this patch with the other ones you applied.
I just wanted to make sure it wasn't because it was sent to the wrong
person. This set of files doesn't appear to have an owner in
MAINTAINERS, I guess based on git history either Andrew or Hubert (on
CC) pick up patches for this set of files? If I need to, I can resend it
to the proper people.

Cheers,
Nathan

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