after a0131eaae2884fdced27158c3d34732d1656aca9 mxcsr was possibly also incorrect. fpu control and mxcsr will be restored with fxrstor/xrstor. no need to clear pending exceptions on #MF fix #18656 (and #18624 after reverting). Change-Id: I7dd5e2e4610747c5b82abd6c67e302d264b4be92 Reviewed-on: https://review.haiku-os.org/c/haiku/+/7104 Tested-by: Commit checker robot <[email protected]> Reviewed-by: waddlesplash <[email protected]>