RE: [PATCH][GCC] aarch64: Add support for Cortex-X3 CPU.

[Kyrylo Tkachov <Kyrylo.Tkachov@arm.com>]

> -----Original Message-----
> From: Srinath Parvathaneni <srinath.parvathaneni@arm.com>
> Sent: Friday, November 11, 2022 3:08 PM
> To: gcc-patches@gcc.gnu.org
> Cc: Richard Sandiford <Richard.Sandiford@arm.com>; Kyrylo Tkachov
> <Kyrylo.Tkachov@arm.com>
> Subject: [PATCH][GCC] aarch64: Add support for Cortex-X3 CPU.
> 
> Hi,
> 
> This patch adds support for Cortex-X3 CPU.
> 
> Bootstrapped on aarch64-none-linux-gnu and found no regressions.
> 
> Ok for GCC master?

Ok, but the documentation needs to be rebased as we've moved back to .texi.
Thanks,
Kyrill

> 
> Regards,
> Srinath.
> 
> gcc/ChangeLog:
> 
> 2022-11-09  Srinath Parvathaneni  <srinath.parvathaneni@arm.com>
> 
>         * config/aarch64/aarch64-cores.def (AARCH64_CORE): Add Cortex-X3
> CPU.
>         * config/aarch64/aarch64-tune.md: Regenerate.
>         * doc/gcc/gcc-command-options/machine-dependent-options/aarch64-
> options.rst:
>         Document Cortex-X3 CPU.
> 
> 
> ###############     Attachment also inlined for ease of reply
> ###############
> 
> 
> diff --git a/gcc/config/aarch64/aarch64-cores.def
> b/gcc/config/aarch64/aarch64-cores.def
> index
> 3055da9b268b6b71bc3bd6db721812b387e8dd44..a2062468136bf1c38b941c
> 53868d26dafedda276 100644
> --- a/gcc/config/aarch64/aarch64-cores.def
> +++ b/gcc/config/aarch64/aarch64-cores.def
> @@ -172,6 +172,8 @@ AARCH64_CORE("cortex-a715",  cortexa715,
> cortexa57, V9A,  (SVE2_BITPERM, MEMTAG,
> 
>  AARCH64_CORE("cortex-x2",  cortexx2, cortexa57, V9A,  (SVE2_BITPERM,
> MEMTAG, I8MM, BF16), neoversen2, 0x41, 0xd48, -1)
> 
> +AARCH64_CORE("cortex-x3",  cortexx3, cortexa57, V9A,  (SVE2_BITPERM,
> MEMTAG, I8MM, BF16), neoversen2, 0x41, 0xd4e, -1)
> +
>  AARCH64_CORE("neoverse-n2", neoversen2, cortexa57, V9A, (I8MM, BF16,
> SVE2_BITPERM, RNG, MEMTAG, PROFILE), neoversen2, 0x41, 0xd49, -1)
> 
>  AARCH64_CORE("demeter", demeter, cortexa57, V9A, (I8MM, BF16,
> SVE2_BITPERM, RNG, MEMTAG, PROFILE), neoversev2, 0x41, 0xd4f, -1)
> diff --git a/gcc/config/aarch64/aarch64-tune.md
> b/gcc/config/aarch64/aarch64-tune.md
> index
> 22ec1be5a4c71b930221d2c4f1e62df57df0cadf..74c4384712b202058a58f1da0
> ca28adec97a6b9b 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"
> -
> 	"cortexa34,cortexa35,cortexa53,cortexa57,cortexa72,cortexa73,thun
> derx,thunderxt88p1,thunderxt88,octeontx,octeontxt81,octeontxt83,thunder
> xt81,thunderxt83,ampere1,emag,xgene1,falkor,qdf24xx,exynosm1,phecda,t
> hunderx2t99p1,vulcan,thunderx2t99,cortexa55,cortexa75,cortexa76,cortexa
> 76ae,cortexa77,cortexa78,cortexa78ae,cortexa78c,cortexa65,cortexa65ae,co
> rtexx1,cortexx1c,ares,neoversen1,neoversee1,octeontx2,octeontx2t98,octeo
> ntx2t96,octeontx2t93,octeontx2f95,octeontx2f95n,octeontx2f95mm,a64fx,ts
> v110,thunderx3t110,zeus,neoversev1,neoverse512tvb,saphira,cortexa57cort
> exa53,cortexa72cortexa53,cortexa73cortexa35,cortexa73cortexa53,cortexa7
> 5cortexa55,cortexa76cortexa55,cortexr82,cortexa510,cortexa710,cortexa715
> ,cortexx2,neoversen2,demeter,neoversev2"
> +
> 	"cortexa34,cortexa35,cortexa53,cortexa57,cortexa72,cortexa73,thun
> derx,thunderxt88p1,thunderxt88,octeontx,octeontxt81,octeontxt83,thunder
> xt81,thunderxt83,ampere1,emag,xgene1,falkor,qdf24xx,exynosm1,phecda,t
> hunderx2t99p1,vulcan,thunderx2t99,cortexa55,cortexa75,cortexa76,cortexa
> 76ae,cortexa77,cortexa78,cortexa78ae,cortexa78c,cortexa65,cortexa65ae,co
> rtexx1,cortexx1c,ares,neoversen1,neoversee1,octeontx2,octeontx2t98,octeo
> ntx2t96,octeontx2t93,octeontx2f95,octeontx2f95n,octeontx2f95mm,a64fx,ts
> v110,thunderx3t110,zeus,neoversev1,neoverse512tvb,saphira,cortexa57cort
> exa53,cortexa72cortexa53,cortexa73cortexa35,cortexa73cortexa53,cortexa7
> 5cortexa55,cortexa76cortexa55,cortexr82,cortexa510,cortexa710,cortexa715
> ,cortexx2,cortexx3,neoversen2,demeter,neoversev2"
>  	(const (symbol_ref "((enum attr_tune) aarch64_tune)")))
> diff --git a/gcc/doc/gcc/gcc-command-options/machine-dependent-
> options/aarch64-options.rst b/gcc/doc/gcc/gcc-command-options/machine-
> dependent-options/aarch64-options.rst
> index
> d97515d9e54feaa85a2ead4e9b73f0eb966cb39f..7cc369ef95e510e30873159b
> 8e2130c4f77a57d3 100644
> --- a/gcc/doc/gcc/gcc-command-options/machine-dependent-
> options/aarch64-options.rst
> +++ b/gcc/doc/gcc/gcc-command-options/machine-dependent-
> options/aarch64-options.rst
> @@ -258,8 +258,8 @@ These options are defined for AArch64
> implementations:
>    :samp:`cortex-a73.cortex-a35`, :samp:`cortex-a73.cortex-a53`,
>    :samp:`cortex-a75.cortex-a55`, :samp:`cortex-a76.cortex-a55`,
>    :samp:`cortex-r82`, :samp:`cortex-x1`, :samp:`cortex-x1c`, :samp:`cortex-
> x2`,
> -  :samp:`cortex-a510`, :samp:`cortex-a710`, :samp:`cortex-a715`,
> :samp:`ampere1`,
> -  :samp:`native`.
> +  :samp:`cortex-x3`, :samp:`cortex-a510`, :samp:`cortex-a710`,
> +  :samp:`cortex-a715`, :samp:`ampere1`, :samp:`native`.
> 
>    The values :samp:`cortex-a57.cortex-a53`, :samp:`cortex-a72.cortex-a53`,
>    :samp:`cortex-a73.cortex-a35`, :samp:`cortex-a73.cortex-a53`,
> 
>