Here is the same thing compiled with optimizations on ** Attachment added: "bench_simple" https://bugs.launchpad.net/qemu/+bug/1851095/+attachment/5302825/+files/bench_simple
-- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1851095 Title: [feature request] awareness of instructions that are well emulated Status in QEMU: New Bug description: 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 emulation of this class of instructions was not very good, and thus it would give up on finding these instructions if a "careful" operation is passed. To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1851095/+subscriptions
