[PATCH][AArch64] Add support for Neoverse E1

[James Greenhalgh]

On Thu, Feb 21, 2019 at 11:43:08AM -0600, Kyrill Tkachov wrote:
> Hi all,
> 
> This patch adds -mcpu and -mtune support for the Neoverse E1 CPU [1].
> The new option is -mcpu=neoverse-e1.
> Bootstrapped and tested on aarch64-none-linux-gnu.

OK.

Thanks,
James

> [1] 
> https://community.arm.com/processors/b/blog/posts/arm-neoverse-e1-platform-empowering-the-infrastructure-to-meet-next-generation-throughput-demands
> 
> 2019-02-21  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
> 
>  Â Â Â  * config/aarch64/aarch64-cores.def (neoverse-e1): Define.
>  Â Â Â  * config/aarch64/aarch64-tune.md: Regenerate.
>  Â Â Â  * doc/invoke.texi (AArch64 Options): Document neoverse-e1 -mcpu option.

> diff --git a/gcc/config/aarch64/aarch64-cores.def b/gcc/config/aarch64/aarch64-cores.def
> index b0c7d2f23ace1e3c3a89f4e3ab10c9ad08f56b22..ed56e5eded13664597343659db859c5ed481627d 100644
> --- a/gcc/config/aarch64/aarch64-cores.def
> +++ b/gcc/config/aarch64/aarch64-cores.def
> @@ -102,6 +102,7 @@ AARCH64_CORE("cortex-a75",  cortexa75, cortexa57, 8_2A,  AARCH64_FL_FOR_ARCH8_2
>  AARCH64_CORE("cortex-a76",  cortexa76, cortexa57, 8_2A,  AARCH64_FL_FOR_ARCH8_2 | AARCH64_FL_F16 | AARCH64_FL_RCPC | AARCH64_FL_DOTPROD, cortexa72, 0x41, 0xd0b, -1)
>  AARCH64_CORE("ares",  ares, cortexa57, 8_2A,  AARCH64_FL_FOR_ARCH8_2 | AARCH64_FL_F16 | AARCH64_FL_RCPC | AARCH64_FL_DOTPROD | AARCH64_FL_PROFILE, neoversen1, 0x41, 0xd0c, -1)
>  AARCH64_CORE("neoverse-n1",  neoversen1, cortexa57, 8_2A,  AARCH64_FL_FOR_ARCH8_2 | AARCH64_FL_F16 | AARCH64_FL_RCPC | AARCH64_FL_DOTPROD | AARCH64_FL_PROFILE, neoversen1, 0x41, 0xd0c, -1)
> +AARCH64_CORE("neoverse-e1",  neoversee1, cortexa53, 8_2A,  AARCH64_FL_FOR_ARCH8_2 | AARCH64_FL_F16 | AARCH64_FL_RCPC | AARCH64_FL_DOTPROD | AARCH64_FL_SSBS, cortexa53, 0x41, 0xd4a, -1)
>  
>  /* HiSilicon ('H') cores. */
>  AARCH64_CORE("tsv110",  tsv110, cortexa57, 8_2A,  AARCH64_FL_FOR_ARCH8_2 | AARCH64_FL_CRYPTO | AARCH64_FL_F16 | AARCH64_FL_AES | AARCH64_FL_SHA2, tsv110,   0x48, 0xd01, -1)
> diff --git a/gcc/config/aarch64/aarch64-tune.md b/gcc/config/aarch64/aarch64-tune.md
> index 5b1341525e9c2e3fe6306e7c9fef41f5d658420c..2b1ec85ae3190ec62f70d8abacd88e825244f2b1 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,octeontx,octeontxt81,octeontxt83,thunderxt81,thunderxt83,emag,xgene1,falkor,qdf24xx,exynosm1,phecda,thunderx2t99p1,vulcan,thunderx2t99,cortexa55,cortexa75,cortexa76,ares,neoversen1,tsv110,saphira,cortexa57cortexa53,cortexa72cortexa53,cortexa73cortexa35,cortexa73cortexa53,cortexa75cortexa55,cortexa76cortexa55"
> +	"cortexa35,cortexa53,cortexa57,cortexa72,cortexa73,thunderx,thunderxt88p1,thunderxt88,octeontx,octeontxt81,octeontxt83,thunderxt81,thunderxt83,emag,xgene1,falkor,qdf24xx,exynosm1,phecda,thunderx2t99p1,vulcan,thunderx2t99,cortexa55,cortexa75,cortexa76,ares,neoversen1,neoversee1,tsv110,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 8ecc28c4acccd619ff9dcc25202fcf87582145a4..24513970e0508611c4810aabbb6089dca7d5501c 100644
> --- a/gcc/doc/invoke.texi
> +++ b/gcc/doc/invoke.texi
> @@ -15771,10 +15771,11 @@ 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{ares}, @samp{exynos-m1}, @samp{emag}, @samp{falkor},
> -@samp{neoverse-n1},@samp{qdf24xx}, @samp{saphira}, @samp{phecda}, @samp{xgene1},
> -@samp{vulcan}, @samp{octeontx}, @samp{octeontx81},  @samp{octeontx83},
> -@samp{thunderx}, @samp{thunderxt88}, @samp{thunderxt88p1}, @samp{thunderxt81},
> -@samp{tsv110}, @samp{thunderxt83}, @samp{thunderx2t99},
> +@samp{neoverse-e1},@samp{neoverse-n1},@samp{qdf24xx}, @samp{saphira},
> +@samp{phecda}, @samp{xgene1}, @samp{vulcan}, @samp{octeontx},
> +@samp{octeontx81},  @samp{octeontx83}, @samp{thunderx}, @samp{thunderxt88},
> +@samp{thunderxt88p1}, @samp{thunderxt81}, @samp{tsv110},
> +@samp{thunderxt83}, @samp{thunderx2t99},
>  @samp{cortex-a57.cortex-a53}, @samp{cortex-a72.cortex-a53},
>  @samp{cortex-a73.cortex-a35}, @samp{cortex-a73.cortex-a53},
>  @samp{cortex-a75.cortex-a55}, @samp{cortex-a76.cortex-a55}