[v3] Add HXT Phecda core support

HXT semiconductor's CPU core Phecda, as a variant of Qualcomm qdf24xx,
reuses the same tuning structure and pipeline with it.

2018-08-08  Hongbo Zhang  <hongbo.zhang@linaro.org>

	* config/aarch64/aarch64-cores.def: Add phecda core.
	* config/aarch64/aarch64-tune.md: Regenerate.
	* doc/invoke.texi: Add phecda core.
---
v3 changes:
 - use 'h' instead of 'H' in the comments.
 - rebased to the latest commit.

 gcc/config/aarch64/aarch64-cores.def | 3 +++
 gcc/config/aarch64/aarch64-tune.md   | 2 +-
 gcc/doc/invoke.texi                  | 2 +-
 3 files changed, 5 insertions(+), 2 deletions(-)

Hi James,
You said OK to this previous v2 patch:
https://patchwork.ozlabs.org/patch/933135/
Now I re-base it to the latest GCC commit.

If this is OK, please apply this patch on my behalf.
Thanks.

On 8 August 2018 at 18:38, Hongbo Zhang <hongbo.zhang@linaro.org> wrote:
> HXT semiconductor's CPU core Phecda, as a variant of Qualcomm qdf24xx,
> reuses the same tuning structure and pipeline with it.
>
> 2018-08-08  Hongbo Zhang  <hongbo.zhang@linaro.org>
>
>         * config/aarch64/aarch64-cores.def: Add phecda core.
>         * config/aarch64/aarch64-tune.md: Regenerate.
>         * doc/invoke.texi: Add phecda core.
> ---
> v3 changes:
>  - use 'h' instead of 'H' in the comments.
>  - rebased to the latest commit.
>
>  gcc/config/aarch64/aarch64-cores.def | 3 +++
>  gcc/config/aarch64/aarch64-tune.md   | 2 +-
>  gcc/doc/invoke.texi                  | 2 +-
>  3 files changed, 5 insertions(+), 2 deletions(-)
>
> diff --git a/gcc/config/aarch64/aarch64-cores.def b/gcc/config/aarch64/aarch64-cores.def
> index 3d876b8..437ed1e 100644
> --- a/gcc/config/aarch64/aarch64-cores.def
> +++ b/gcc/config/aarch64/aarch64-cores.def
> @@ -71,6 +71,9 @@ AARCH64_CORE("qdf24xx",     qdf24xx,   falkor,    8A,  AARCH64_FL_FOR_ARCH8 | AA
>  /* Samsung ('S') cores. */
>  AARCH64_CORE("exynos-m1",   exynosm1,  exynosm1,  8A,  AARCH64_FL_FOR_ARCH8 | AARCH64_FL_CRC | AARCH64_FL_CRYPTO, exynosm1,  0x53, 0x001, -1)
>
> +/* HXT ('h') cores. */
> +AARCH64_CORE("phecda",      phecda,    falkor,    8A,  AARCH64_FL_FOR_ARCH8 | AARCH64_FL_CRC | AARCH64_FL_CRYPTO, qdf24xx,   0x68, 0x000, -1)
> +
>  /* ARMv8.1-A Architecture Processors.  */
>
>  /* Broadcom ('B') cores. */
> diff --git a/gcc/config/aarch64/aarch64-tune.md b/gcc/config/aarch64/aarch64-tune.md
> index f82222c..ec75b45 100644
> --- a/gcc/config/aarch64/aarch64-tune.md
> +++ b/gcc/config/aarch64/aarch64-tune.md
> @@ -1,5 +1,5 @@
>  ;; -*- buffer-read-only: t -*-
>  ;; Generated automatically by gentune.sh from aarch64-cores.def
>  (define_attr "tune"
> -       "cortexa35,cortexa53,cortexa57,cortexa72,cortexa73,thunderx,thunderxt88p1,thunderxt88,thunderxt81,thunderxt83,xgene1,falkor,qdf24xx,exynosm1,thunderx2t99p1,vulcan,thunderx2t99,cortexa55,cortexa75,cortexa76,saphira,cortexa57cortexa53,cortexa72cortexa53,cortexa73cortexa35,cortexa73cortexa53,cortexa75cortexa55,cortexa76cortexa55"
> +       "cortexa35,cortexa53,cortexa57,cortexa72,cortexa73,thunderx,thunderxt88p1,thunderxt88,thunderxt81,thunderxt83,xgene1,falkor,qdf24xx,exynosm1,phecda,thunderx2t99p1,vulcan,thunderx2t99,cortexa55,cortexa75,cortexa76,saphira,cortexa57cortexa53,cortexa72cortexa53,cortexa73cortexa35,cortexa73cortexa53,cortexa75cortexa55,cortexa76cortexa55"
>         (const (symbol_ref "((enum attr_tune) aarch64_tune)")))
> diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
> index 841cb47..3944fe4 100644
> --- a/gcc/doc/invoke.texi
> +++ b/gcc/doc/invoke.texi
> @@ -14840,7 +14840,7 @@ performance of the code.  Permissible values for this option are:
>  @samp{generic}, @samp{cortex-a35}, @samp{cortex-a53}, @samp{cortex-a55},
>  @samp{cortex-a57}, @samp{cortex-a72}, @samp{cortex-a73}, @samp{cortex-a75},
>  @samp{cortex-a76}, @samp{exynos-m1}, @samp{falkor}, @samp{qdf24xx},
> -@samp{saphira}, @samp{xgene1}, @samp{vulcan}, @samp{thunderx},
> +@samp{saphira}, @samp{phecda}, @samp{xgene1}, @samp{vulcan}, @samp{thunderx},
>  @samp{thunderxt88}, @samp{thunderxt88p1}, @samp{thunderxt81},
>  @samp{thunderxt83}, @samp{thunderx2t99}, @samp{cortex-a57.cortex-a53},
>  @samp{cortex-a72.cortex-a53}, @samp{cortex-a73.cortex-a35},
> --
> 2.7.4
>

On Wed, Aug 08, 2018 at 05:38:09AM -0500, Hongbo Zhang wrote:
> HXT semiconductor's CPU core Phecda, as a variant of Qualcomm qdf24xx,
> reuses the same tuning structure and pipeline with it.

Thank you. This patch is still OK.

I've applied it on your behalf as r263404.

Thanks,
James

> 
> 2018-08-08  Hongbo Zhang  <hongbo.zhang@linaro.org>
> 
> 	* config/aarch64/aarch64-cores.def: Add phecda core.
> 	* config/aarch64/aarch64-tune.md: Regenerate.
> 	* doc/invoke.texi: Add phecda core.