[PING][PATCH] [tree-optimization/110279] fix testcase pr110279-1.c

[Di Zhao OS <dizhao@os.amperecomputing.com>]

This is OK for trunk?

Thanks,
Di Zhao

> -----Original Message-----
> From: Di Zhao OS <dizhao@os.amperecomputing.com>
> Sent: Thursday, May 23, 2024 5:55 PM
> To: Jeff Law <jeffreyalaw@gmail.com>
> Cc: gcc-patches@gcc.gnu.org
> Subject: RE: [PATCH] [tree-optimization/110279] fix testcase pr110279-1.c
> 
> > -----Original Message-----
> > From: Jeff Law <jeffreyalaw@gmail.com>
> > Sent: Wednesday, May 22, 2024 11:14 PM
> > To: Di Zhao OS <dizhao@os.amperecomputing.com>; gcc-patches@gcc.gnu.org
> > Subject: Re: [PATCH] [tree-optimization/110279] fix testcase pr110279-1.c
> >
> >
> >
> > On 5/22/24 5:46 AM, Di Zhao OS wrote:
> > > The test case is for targets that support FMA. Previously
> > > the "target" selector is missed in dg-final command.
> > >
> > > Tested on x86_64-pc-linux-gnu.
> > >
> > > Thanks
> > > Di Zhao
> > >
> > > gcc/testsuite/ChangeLog:
> > >
> > >          * gcc.dg/pr110279-1.c: add target selector.
> > Rather than list targets explicitly in the test, wouldn't it be better
> > to have a common routine that could be used in other cases where we have
> > a test that requires FMA?
> >
> > So something similar to check_effective_target_scalar_all_fma?
> >
> >
> > Jeff
> 
> Here is an updated version of the patch. Sorry I'm not very familiar
> with the testsuite commands.
> 
> gcc/testsuite/ChangeLog:
> 
>         * gcc.dg/pr110279-1.c: add target selector.
> 
> ---
> gcc/testsuite/gcc.dg/pr110279-1.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/gcc/testsuite/gcc.dg/pr110279-1.c
> b/gcc/testsuite/gcc.dg/pr110279-1.c
> index a8c7257b28d..c4f94ea5810 100644
> --- a/gcc/testsuite/gcc.dg/pr110279-1.c
> +++ b/gcc/testsuite/gcc.dg/pr110279-1.c
> @@ -1,4 +1,4 @@
> -/* { dg-do compile } */
> +/* { dg-do compile { target { scalar_all_fma || { i?86-*-* x86_64-*-* } } } }
> */
>  /* { dg-options "-Ofast --param avoid-fma-max-bits=512 --param tree-reassoc-
> width=4 -fdump-tree-widening_mul-details" } */
>  /* { dg-additional-options "-mcpu=generic" { target aarch64*-*-* } } */
>  /* { dg-additional-options "-mfma" { target i?86-*-* x86_64-*-* } } */
> @@ -64,4 +64,4 @@ foo3 (data_e a, data_e b, data_e c, data_e d)
>    return result;
>  }
> 
> -/* { dg-final { scan-tree-dump-times "Generated FMA" 3 "widening_mul"} } */
> \ No newline at end of file
> +/* { dg-final { scan-tree-dump-times "Generated FMA" 3 "widening_mul" } } */
> --
> 2.25.1
>