Walid Ghandour <waleedjghand...@gmail.com> writes:
> Hello, > > I am interested in adding AVX512 to qemu. (add x86 TCG maintainers to CC) > Is anyone currently working on this ? > > If yes, when is it expected to be done ? I don't think there is currently any active effort to add AVX512 support. There have been various GSoC projects to improve the x86 SIMD emulation but I don't think they got merged. There has been some updates to improve the SSE emulation in the last few releases and make the instruction decoder a little easier to work wit. > > I was trying to run a C program and failed with the following error at this > instruction: > > 62 f2 7d 48 18 0d fa 0c 00 00 vbroadcastss 0xcfa(%rip),%zmm1 > > qemu: uncaught target signal 4 (Illegal instruction) - core dumped > > I like to add support for broadcast and fmadd avx 512 instructions such as > the following one: > > 62 e2 7d 48 b8 c9 vfmadd231ps %zmm1,%zmm0,%zmm17 > > Thanks, > Walid -- Alex Bennée Virtualisation Tech Lead @ Linaro
