[PATCH 2/3] PowerPC: require IBM long double for pr70117.

[David Edelsohn]

On Sat, Nov 21, 2020 at 12:37 AM Michael Meissner
<meissner@linux.ibm.com> wrote:
>
> PowerPC: require IBM long double for pr70117.
>
> Since the test is explicitly checking for IBM extended double, do not try to
> run it when long double is IEEE 128-bit.
>
> I have tested this patch and the first patch in the series on a little endian
> power9 system with 3 compilers that have the 3 different long double types
> configured.  I verified that this test is listed as unsupported if long double
> is not IBM 128-bit, and it passes if long double is IBM 128-bit.
>
> Can I check this patch into the master branch?  After an appropriate soak-in
> time, can I back port this patch to the previous open GCC trees?
>
> gcc/testsuite/
> 2020-11-21  Michael Meissner  <meissner@linux.ibm.com>
>
>         PR target/70117
>         * gcc.target/powerpc/pr70117.c: Only run the test if long double
>         uses the IBM extended double format.
> ---
>  gcc/testsuite/gcc.target/powerpc/pr70117.c | 22 ++++------------------
>  1 file changed, 4 insertions(+), 18 deletions(-)
>
> diff --git a/gcc/testsuite/gcc.target/powerpc/pr70117.c b/gcc/testsuite/gcc.target/powerpc/pr70117.c
> index 3bbd2c595e0..2077d15afd4 100644
> --- a/gcc/testsuite/gcc.target/powerpc/pr70117.c
> +++ b/gcc/testsuite/gcc.target/powerpc/pr70117.c
> @@ -1,26 +1,12 @@
> -/* { dg-do run { target { powerpc*-*-linux* powerpc*-*-darwin* powerpc*-*-aix* rs6000-*-* } } } */
> -/* { dg-options "-std=c99 -mlong-double-128 -O2" } */
> +/* { dg-require-effective-target ppc_long_double_ibm } */
> +/* { dg-options "-std=c99 -O2" } */

Mike,

You still need a

/* { dg-do run } */

line.  But without any target specified.

Segher may have other comments.

Thanks, David