[LLVMdev] [Compiler-rt] -march=aarch64 flag in gcc/clang
james at jamesmolloy.co.uk
Thu Dec 18 01:08:05 PST 2014
Right. I'm aware of that. But to Clang, "armv8-a" as an architecture is
ARMv8/AArch32. Unless Clang has recently got a lot cleverer than it has
been in the past.
On Thu Dec 18 2014 at 9:06:04 AM Christophe Lyon <christophe.lyon at linaro.org>
> On 18 December 2014 at 09:07, James Molloy <james at jamesmolloy.co.uk>
> > Hi Renato,
> > Are you sure? Armv8-a is aarch32, not aarch64. Something smells fishy
> armv8-a is an architecture.
> AArch32 and AArch64 are two different operating modes, both supported
> by the armv8-a architecture.
> > Cheers,
> > James
> > On Thu, 18 Dec 2014 at 08:03, Renato Golin <renato.golin at linaro.org>
> >> On 16 December 2014 at 20:29, Christophe Lyon
> >> <christophe.lyon at linaro.org> wrote:
> >> >> I don't see "-march=aarch64" is a valid flag on either LLVM or GCC.
> >> >> Should we replace this with a flag which is valid for only aarch64
> >> >> works for both LLVM and GCC ?
> >> >
> >> > I think it should be -march=armv8-a
> >> Sorry folks, that was totally my fault and I was too busy to realise
> >> it. I have just changed it to "armv8-a" on r224362. I'm building it
> >> now and it's working.
> >> cheers,
> >> --renato
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