Re: [PATCH, ARM/AArch64] drop aarch32 support for falkor/qdf24xx

[Jim Wilson <jim.wilson@linaro.org>]

On Wed, May 24, 2017 at 8:17 AM, Richard Earnshaw (lists)
<Richard.Earnshaw@arm.com> wrote:
> On 24/05/17 15:18, Jim Wilson wrote:
>> On Wed, May 24, 2017 at 6:56 AM, Richard Earnshaw (lists)
>> <Richard.Earnshaw@arm.com> wrote:
>>> OK.  does this need to go in the gcc-8 changes file?
>>
>> Falkor hasn't shipped yet.  I'm dropping features that only existed in
>> preproduction NDA hardware, so there isn't anything end user visible,
>> and hence I don't think that it needs to be in the release notes.
>>
>> Jim
>>
>
> Fair enough, so what about a minimal back-port to GCC-7 that just
> disables the CPU name for aarch32?

Not sure how to do that.  If I remove the arm-cpus.in entry, then 5
files get automatically regenerated.  That leaves us with a few minor
inconsistencies in specs handling and multilibs which are harmless but
we may as well fix anyways.  The only part of the patch that is
optional if the part which moves the qdf24xx_extra_costs array from
the arm dir to the aarch64 dir.  So the minimal patch ends up being
half the size of the original patch, changing 9 of the original 11
files, which isn't very minimal.

Another option might be to just remove the documentation and leave the
code in, i.e. only apply the doc/invoke.texi patch.  That would be a
small and safe patch.

Jim