[boost.context] questions about Lazy Float Point State Preservation

From: microcai (microcaicai_at_[hidden])
Date: 2025-01-01 08:47:48

Does jum_fcontext do  lazy state preservation on FPU?
most of the time, coroutine is executing async IO code rather than cpu
intensive code.
Mostly, IO code does not use floating point. but no preserving FPU state is
error prone.

Does fcontext employ "lazy state preservation on fpu registers"?