On Thu, May 08, 2025 at 01:30:25PM +0100, Peter Maydell wrote: > On Thu, 8 May 2025 at 13:21, Michael S. Tsirkin <m...@redhat.com> wrote: > > > > compilers that QEMU requires support int128 > > (though arithmetic might be more challenging). > > As virtio wants to use int128 with bitwise opts only, > > make it simple by failing configure if not there. > > IIRC the problem is not the compiler version but whether > or not it's targeting a 32-bit host: compilers will > implement an int128 based on 2 64-bit registers, but > not one based on 4 32-bit registers. Did you check this > on all our supported host platforms ? > > (We've deprecated 32-bit host support, but not dropped > it yet, I think.) > > thanks > -- PMM
Thanks for the feedback, indeed I did not. Will check some config.