[webkit-dev] Bring back ARMv6 support to JSC
Adrian Perez de Castro
aperez at igalia.com
Tue Sep 5 08:02:45 PDT 2017
On Tue, 5 Sep 2017 16:38:09 +0200, Osztrogonác Csaba <oszi at inf.u-szeged.hu> wrote:
> Maybe it will be hard to say good bye to 32-bit architecutres
> for many people, but please, it's 2017 now, the first ARMv8 SoC
> is out 4 years ago, the first AMD64 CPU is out 14 years ago.
While it's true that amd64/x86_64 has been around long enough to not have to
care (much) about its 32-bit counterpart; the same cannot be said about ARM.
It would be great to be able to say that 32-bit ARM is well dead, but we are
not there yet.
If we take x86_64 as an example, it has been “only” 10 years since the last
new 32-bit CPU was announced and until 3-4 years ago it wasn't uncommon to
see plently of people running 32-bit userlands. If things unroll in a similar
way in the ARM arena, I would expect good 32-bit ARM support being relevant
at least for another 3-4 years before the need starts to fade away.
If something, I think it may make more sense to remove 32-bit x86 support,
and have the 32-bit ARM support around for some more time.
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