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From: =?iso-8859-1?B?Suly6W15?= Lefaure <jeremy@lefaure.fr>
To: Wilco Dijkstra <Wilco.Dijkstra@arm.com>
Cc: GCC Patches <gcc-patches@gcc.gnu.org>
Subject: Re: [PING^2][PATCH] Fix documentation of -mpoke-function-name ARM
 option
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Hi Wilco,

On Mon, Mar 09, 2020 at 05:53:41PM +0000, Wilco Dijkstra wrote:
> Hi,
> 
> There is no single PC offset that is correct given CPUs may use different offsets.

Isn't it always an offset of 8 in ARM mode and 4 bytes in Thumb mode ?
At least in ARMv7 and in AArch32 state in ARMv8 ?


> GCC may also schedule the instruction that stores the PC. This feature used to
> work on early Arms but is no longer functional or useful today, so the best way
> forward is to remove it altogether. There are many similar options that have
> been deprecated for years.
> 
I didn't know that this feature is no longer working. Thank your for the
info.


Thank your for having reviewed my patch,
Jérémy