[LLVMdev] Unaligned vector memory access for ARM/NEON.
rengolin at systemcall.org
Mon Sep 10 00:07:14 PDT 2012
On 10 September 2012 06:44, Bob Wilson <bob.wilson at apple.com> wrote:
> I don't know if anyone actually uses arm processors in big-endian mode, but it shouldn't be too hard to conditionalize it. If it does turn out to be difficult for some reason, we should at least have comments to indicate where the endian assumptions are being made.
AFAICR, people used to use big-endian on non-NEON ARM cores in the
7TDMI/920 days, and if they still do so, they'll buy those chips.
IMO, throwing a few comments would be enough for now. It's better to
assume little enndian now, with a test case, than to assume big-endian
is possible, without one.
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