Re: [Pkg-rust-maintainers] Bug#881846: rustc: FTBFS on armel
John Paul Adrian Glaubitz:
> On 11/15/2017 07:16 PM, Tixy wrote:
>> On Wed, 2017-11-15 at 18:53 +0100, John Paul Adrian Glaubitz wrote:
>>> As for the atomics: What strikes me odd is that upstream claims that
>>> ARMv6 is supported. But to my current knowledge, proper atomics were
>>> only introduced with ARMv7.
>>
>> ARMv6 has 32-bit atomics (LDREX and STREX instructions), and ARMv6K adds
>> 8-, 16-, and 64-bit versions.
>
> Ah, I guess my memory is wrong then. Were there any changes regarding
> atomics in ARMv7 or was it just NEON that was introduced with ARMv7?
>
Adrian Bunk (added to CC) has recently been trying to do a armel port:
<bunk> For buster armv5te_unknown_linux_gnueabi.rs seems to match the baseline.
[..]
<bunk> infinity0: hits some armv6 assembler in compiler-rt, haven't yet look deeper into that issue
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