On Thu, Jun 23, 2016 at 10:26 AM, J. Mayer <l_ind...@magic.fr> wrote:
> The following patch adds native detection for C7, Eden "Esther" and
> Eden "Nehemiah" VIA CPUs.
>
> Please CC me to any comment / review / change request.
>
> ---
>
> diff --git a/gcc/ChangeLog b/gcc/ChangeLog
> index 14b8030..55afd8b 100644
> --- a/gcc/ChangeLog
> +++ b/gcc/ChangeLog
> @@ -1,3 +1,10 @@
> +2016-06-21 Jocelyn Mayer <l_ind...@magic.fr>
> +
> + * config/i386/driver-i386.c (host_detect_local_cpu): Set
> + PROCESSOR_PENTIUMPRO for signature_CENTAUR_ebx family >= 9.
> + <case PROCESSOR_PENTIMUMPRO>: Pass c7 or nehemiah for
> + signature_CENTAUR_ebx.
The patch is OK for mainline.
Thanks,
Uros.
> 2016-06-21 Jakub Jelinek <ja...@redhat.com>
>
> PR tree-optimization/71588
> diff --git a/gcc/config/i386/driver-i386.c b/gcc/config/i386/driver-
> i386.c
> index 9f44ee8..22a8f28 100644
> --- a/gcc/config/i386/driver-i386.c
> +++ b/gcc/config/i386/driver-i386.c
> @@ -653,10 +653,7 @@ const char *host_detect_local_cpu (int argc, const
> char **argv)
> case 6:
> if (has_longmode)
> processor = PROCESSOR_K8;
> - else if (model > 9)
> - /* Use the default detection procedure. */
> - ;
> - else if (model == 9)
> + else if (model >= 9)
> processor = PROCESSOR_PENTIUMPRO;
> else if (model >= 6)
> processor = PROCESSOR_I486;
> @@ -818,15 +815,27 @@ const char *host_detect_local_cpu (int argc,
> const char **argv)
> as all the CPUs below are 32-bit only. */
> cpu = "x86-64";
> else if (has_sse3)
> - /* It is Core Duo. */
> - cpu = "pentium-m";
> + {
> + if (vendor == signature_CENTAUR_ebx)
> + /* C7 / Eden "Esther" */
> + cpu = "c7";
> + else
> + /* It is Core Duo. */
> + cpu = "pentium-m";
> + }
> else if (has_sse2)
> /* It is Pentium M. */
> cpu = "pentium-m";
> else if (has_sse)
> {
> if (vendor == signature_CENTAUR_ebx)
> - cpu = "c3-2";
> + {
> + if (model >= 9)
> + /* Eden "Nehemiah" */
> + cpu = "nehemiah";
> + else
> + cpu = "c3-2";
> + }
> else
> /* It is Pentium III. */
> cpu = "pentium3";
>
