Philipp Tomsich <[email protected]> writes:
> This brings the extensions detected by -mcpu=native on Ampere-1 systems
> in sync with the defaults generated for -mcpu=ampere1.
>
> Note that some early kernel versions on Ampere1 may misreport the
> presence of PAUTH and PREDRES (i.e., -mcpu=native will add 'nopauth'
> and 'nopredres').
>
> gcc/ChangeLog:
>
> * config/aarch64/aarch64-cores.def (AARCH64_CORE): Update
> Ampere-1 core entry.
>
> Signed-off-by: Philipp Tomsich <[email protected]>
OK, thanks.
> Ok for backport?
Yeah. I'll try to backport the RCPC change soon -- think it would
be best to get that in first.
Richard
>
> Changes in v2:
> - Removed explicit RCPC, as the feature is now implicitly included
> in the 8.3 feature definition.
>
> gcc/config/aarch64/aarch64-cores.def | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/gcc/config/aarch64/aarch64-cores.def
> b/gcc/config/aarch64/aarch64-cores.def
> index b50628d6b51..e9a4b622be0 100644
> --- a/gcc/config/aarch64/aarch64-cores.def
> +++ b/gcc/config/aarch64/aarch64-cores.def
> @@ -69,7 +69,7 @@ AARCH64_CORE("thunderxt81", thunderxt81, thunderx,
> V8A, (CRC, CRYPTO), thu
> AARCH64_CORE("thunderxt83", thunderxt83, thunderx, V8A, (CRC, CRYPTO),
> thunderx, 0x43, 0x0a3, -1)
>
> /* Ampere Computing ('\xC0') cores. */
> -AARCH64_CORE("ampere1", ampere1, cortexa57, V8_6A, (), ampere1, 0xC0, 0xac3,
> -1)
> +AARCH64_CORE("ampere1", ampere1, cortexa57, V8_6A, (F16, RNG, AES, SHA3),
> ampere1, 0xC0, 0xac3, -1)
> /* Do not swap around "emag" and "xgene1",
> this order is required to handle variant correctly. */
> AARCH64_CORE("emag", emag, xgene1, V8A, (CRC, CRYPTO), emag,
> 0x50, 0x000, 3)
