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| From: | Paolo Bonzini |
| Subject: | Re: [Qemu-devel] [FreeBSD] Host build i386 failing to build aarch64 targets |
| Date: | Mon, 21 Mar 2016 10:06:37 +0100 |
| User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.6.0 |
On 20/03/2016 20:20, Sean Bruno wrote: > 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. Where is the relevant load in QEMU code? x86 can actually do 64-bit atomic loads and stores through the FPU, but I'm not sure about other 32-bit targets? Paolo
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