> -Original Message-
> From: Gcc-patches On Behalf Of
> Szabolcs Nagy
> Sent: 26 June 2020 15:44
> To: gcc-patches@gcc.gnu.org
> Cc: fwei...@redhat.com; Richard Earnshaw ;
> Daniel Kiss
> Subject: Re: [PATCH 1/4] aarch64: fix return address access with pac
>
The 06/05/2020 17:51, Szabolcs Nagy wrote:
> This is a big hammer fix for __builtin_return_address (PR target/94891)
> returning signed addresses (sometimes, depending on wether lr happens
> to be signed or not at the time of call which depends on optimizations),
> and similarly -pg may pass signed
This is a big hammer fix for __builtin_return_address (PR target/94891)
returning signed addresses (sometimes, depending on wether lr happens
to be signed or not at the time of call which depends on optimizations),
and similarly -pg may pass signed return address to _mcount
(PR target/94791).
At t