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Re: [PATCH][ARM] Add support for -mcpu=cortex-a72

On Wed, Feb 4, 2015 at 10:36 AM, Matthew Wahab <> wrote:
> Hello,
> The Cortex-A72 is an ARMv8 core with the same architectural features as the
> Cortex-A57. This patch adds support for the command line option
> -mcpu=cortex-a72 with the same effect as the -mcpu=cortex-a57 option, with
> only the name being different. It also adds support for the
> -mcpu=cortex-a72.cortex-a53 big-little variant.
> Tested with check-gcc for arm-none-linux-gnueabihf. Tested the new cpu
> options from the command line.
> Matthew
> gcc/
> 2015-02-04  Matthew Wahab  <>
>         * config/arm/arm-cores.def: Add cortex-a72 and
>         cortex-a72.cortex-a53.
>         * config/arm/bpabi.h (BE8_LINK_SPEC): Likewise.
>         * config/arm/t-aprofile (MULTILIB_MATCHES): Likewise.
>         * config/arm/ Regenerate.
>         * config/arm/arm-tables.opt: Add entries for "cortex-a72" and
>         "cortex-a72.cortex-a53".
>         * doc/invoke.texi (ARM Options/-mtune): Likewise.

This is OK - it's purely wiring up a new name and treating that the
same as an existing tune. No new functionality and no point in waiting
for a year for this cpu option to be available for folks.


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