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From: "linkw at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/112725] [14 Regression] powerpc64le-linux-gnu:
 'c-c++-common/builtin-classify-type-1.c:113:3: error: AltiVec argument passed
 to unprototyped function'
Date: Wed, 29 Nov 2023 08:50:44 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D112725

--- Comment #4 from Kewen Lin <linkw at gcc dot gnu.org> ---
(In reply to Jakub Jelinek from comment #3)
> Agreed, so like this?

Yes, thanks for the prompt fix!  The rs6000 part is OK for trunk!

> 2023-11-29  Jakub Jelinek  <jakub@redhat.com>
>=20
> 	PR target/112725
> 	* config/rs6000/rs6000.cc (invalid_arg_for_unprototyped_fn): Return
> 	NULL for __builtin_classify_type calls with vector arguments.
> 	* config/s390/s390.cc (s390_invalid_arg_for_unprototyped_fn):
> 	Likewise.
>=20
> --- gcc/config/rs6000/rs6000.cc.jj	2023-11-17 15:08:20.816961466 +0100
> +++ gcc/config/rs6000/rs6000.cc	2023-11-29 09:40:35.782955603 +0100
> @@ -24389,7 +24389,8 @@ invalid_arg_for_unprototyped_fn (const_t
>  	  && VECTOR_TYPE_P (TREE_TYPE (val))
>            && (funcdecl =3D=3D NULL_TREE
>                || (TREE_CODE (funcdecl) =3D=3D FUNCTION_DECL
> -                  && DECL_BUILT_IN_CLASS (funcdecl) !=3D BUILT_IN_MD)))
> +                  && DECL_BUILT_IN_CLASS (funcdecl) !=3D BUILT_IN_MD
> +                  && !fndecl_built_in_p (funcdecl,
> BUILT_IN_CLASSIFY_TYPE))))
>  	  ? N_("AltiVec argument passed to unprototyped function")
>  	  : NULL;
>  }
> --- gcc/config/s390/s390.cc.jj	2023-11-27 17:34:25.684287136 +0100
> +++ gcc/config/s390/s390.cc	2023-11-29 09:41:08.569491077 +0100
> @@ -12650,7 +12650,8 @@ s390_invalid_arg_for_unprototyped_fn (co
>  	   && VECTOR_TYPE_P (TREE_TYPE (val))
>  	   && (funcdecl =3D=3D NULL_TREE
>  	       || (TREE_CODE (funcdecl) =3D=3D FUNCTION_DECL
> -		   && DECL_BUILT_IN_CLASS (funcdecl) !=3D BUILT_IN_MD)))
> +		   && DECL_BUILT_IN_CLASS (funcdecl) !=3D BUILT_IN_MD
> +		   && !fndecl_built_in_p (funcdecl, BUILT_IN_CLASSIFY_TYPE))))
>  	  ? N_("vector argument passed to unprototyped function")
>  	  : NULL);
>  }=