virtual machine image · cranelift

Stream: cranelift

Topic: virtual machine image

Chinmay Dalal (May 14 2024 at 15:59):

Hi, is there a "standard" VM image for testing aarch64 on not-aarch64 hosts? I want to try https://github.com/bytecodealliance/wasmtime/issues/8603

aarch64: Add support for `fnmadd`/`fmsub`/`fnmsub` · Issue #8603 · bytecodealliance/wasmtime

👋 Hey, Feature Add support for the fnmadd / fmsub / fnmsub instructions in the aarch64 backend. Benefit This improves instruction selection quality for a few special fma cases. Implementation We al...

Alex Crichton (May 14 2024 at 16:00):

If you're on Linux our go-to is QEMU with its default settings, which I think includes these instructions

Chris Fallin (May 14 2024 at 16:00):

Hi @Chinmay Dalal -- typically we use "usermode" qemu to do testing; there's a section of the dev docs that covers it

Alex Crichton (May 14 2024 at 16:00):

QEMU-user-mode that is, e.g. the qemu-aarch64 executable

Alex Crichton (May 14 2024 at 16:00):

jinx

Chris Fallin (May 14 2024 at 16:00):

https://docs.wasmtime.dev/contributing-cross-compiling.html

Chinmay Dalal (May 14 2024 at 16:00):

thanks!

Last updated: Dec 23 2024 at 12:05 UTC