[LLVMdev] [Compiler-rt] -march=aarch64 flag in gcc/clang

[Christophe Lyon]

On 18 December 2014 at 09:07, James Molloy <james at jamesmolloy.co.uk> wrote:
> Hi Renato,
>
> Are you sure? Armv8-a is aarch32, not aarch64. Something smells fishy there.
>

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> wrote:
>>
>> 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 and
>> >> 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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