Peter Maydell <peter.mayd...@linaro.org> writes: > On 20 March 2016 at 19:20, Sean Bruno <sbr...@freebsd.org> wrote: >> -----BEGIN PGP SIGNED MESSAGE----- >> Hash: SHA512 >> >> aarch64 targets are now failing to build on i386 hosts due to missing >> __atomic_load_8() calls since this commit: >> >> https://github.com/qemu/qemu/commit/a0aa44b488b3601415d55041e4619aef5f3a4ba8#diff-c143d686899ae51d7b927d9c682e12fd >> >> I'm unsure if Linux is disabling aarch64 targets for i386 hosts or if >> this commit works "just fine" on Linux hosts right now, as it doesn't >> work with clang or gcc. > > I think it just works on most Linux 32-bit architectures because > the compiler support can inline a suitable atomic op (there > is one case where it doesn't, which I think is PPC32). > > In any case, we mustn't use atomics on types larger > than the host pointer type, because it's not portable enough. > Paolo or Alex, can you have a look at this?
I'll get a BSD up and running and check. What is triggering the __atomic_load_8 though? > > thanks > -- PMM -- Alex Bennée
