Re: [Bug 1851095] [NEW] [feature request] awareness of instructions that are well emulated

2019-11-03 Thread Peter Maydell
On Sun, 3 Nov 2019 at 04:41, Shawn Landden <1851...@bugs.launchpad.net> wrote: > While qemu's scalar emulation tends to be excellent, qemu's SIMD > emulation tends to be incorrect (except for arm64 from x86_64)--i have > found this both for mipsel and arm32. Until these code paths are > audited,

[Bug 1851095] [NEW] [feature request] awareness of instructions that are well emulated

2019-11-02 Thread Shawn Landden
Public bug reported: While qemu's scalar emulation tends to be excellent, qemu's SIMD emulation tends to be incorrect (except for arm64 from x86_64)--i have found this both for mipsel and arm32. Until these code paths are audited, which is probably a large job, it would be nice if qemu knew its