<Dummy response to get the email through to the mailing list>

From: Kalyani Chidambaram Vaidyanathan <kalyanic@nvidia.com>
Sent: Wednesday, September 2, 2020 3:43 PM
To: tf-a@lists.trustedfirmware.org
Cc: Varun Wadekar <vwadekar@nvidia.com>
Subject: GCC compiler option to support "xpaci" instruction

Hi,

We are using gcc-arm-9.2 toolchain and see that this is not supporting the “xpaci” instruction.

Is there any compiler flag that has to be included to support this?

Reference code that uses “xpaci” when PAUTH is enabled -

https://github.com/ARM-software/arm-trusted-firmware/blob/master/bl31/aarch64/crash_reporting.S

Thanks,

Kalyani