Ping: [PATCH] testsuite: Tweak gcc.dg/attr-aligned.c for CRIS

[Hans-Peter Nilsson <hp@axis.com>]

Ping...

> From: Hans-Peter Nilsson <hp@axis.com>
> Date: Thu, 16 Feb 2023 21:05:29 +0100

> Asking for the lines outside the "#if __CRIS__" part.
> Ok to commit?
> 
> -- >8 --
> tm.texi says for BIGGEST_ALIGNMENT (from which
> __BIGGEST_ALIGNMENT__ is derived): "Biggest alignment that
> any data type can require on this machine, in bits."
> 
> That is, using that value might be too strict for alignment
> of *functions* and CRIS requires at least 16-bit alignment
> for functions.  But, one purpose of the test is to test that
> alignment can be set to a large but valid value, so pick
> 512, which has some use as a historically required alignment
> for certain I/O descriptors.
> 
> 	* gcc.dg/attr-aligned.c: Adjust comment for ALIGN_MAX_STATIC.
> 	(ALIGN_MAX_STATIC): Set to 512 for CRIS.
> ---
>  gcc/testsuite/gcc.dg/attr-aligned.c | 8 +++++++-
>  1 file changed, 7 insertions(+), 1 deletion(-)
> 
> diff --git a/gcc/testsuite/gcc.dg/attr-aligned.c b/gcc/testsuite/gcc.dg/attr-aligned.c
> index 887bdd0f3799..4f0c885dc812 100644
> --- a/gcc/testsuite/gcc.dg/attr-aligned.c
> +++ b/gcc/testsuite/gcc.dg/attr-aligned.c
> @@ -18,6 +18,10 @@
>  # else
>  #   define ALIGN_MAX_STATIC      ALIGN_MAX_HARD
>  # endif
> +#elif __CRIS__
> +/* __BIGGEST_ALIGNMENT__ doesn't cover functions (16 bits for CRIS). */
> +#  define ALIGN_MAX_STATIC      512
> +#  define ALIGN_TOO_BIG_OFILE   (ALIGN_MAX_HARD << 1)
>  #elif pdp11
>  #  define ALIGN_MAX_STATIC      2
>  /* Work around a pdp11 ICE (see PR target/87821).  */
> @@ -29,7 +33,9 @@
>  /* Is this processor- or operating-system specific?  */
>  #  define ALIGN_MAX_STATIC      ALIGN_MAX_HARD
>  #else
> -   /* Guaranteed to be accepted regardless of the target.  */
> +   /* Guaranteed to be accepted regardless of the target for objects.
> +      This might not be true for alignment of functions though, so
> +      may need to be set to a target-specific value above.  */
>  #  define ALIGN_MAX_STATIC      __BIGGEST_ALIGNMENT__
>     /* Guaranteed to be rejected regardless of the target.  */
>  #  define ALIGN_TOO_BIG_OFILE   (ALIGN_MAX_HARD << 1)
> -- 
> 2.30.2
>