[LLVMdev] JIT on armhf, again

David Given dg at cowlark.com
Wed Jul 23 04:47:06 PDT 2014


Hello,

Last year I tried --- and failed --- to generate float-heavy ARM code
via the JIT on an armhf platform. No matter what I did, it would always
generate armel code instead. This was on LLVM 3.2, which was all that
was available then.

Now I'm running into a requirement to do this again: while it's much
less crashy than it was, I still can't seem to persuade the JIT to
generate hard-float code. This is with LLVM 3.3, 3.4 and 3.5. I'm using
MCJIT (although I've tried without, as well), and I've tried setting
FloatABI to HardFloat.

Does anyone know if this is actually working yet? If so, are there any
examples of how to do this successfully?

-- 
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