hg: jdk10/hs: 8189244: x86: eliminate frame::adjust_unextended_sp() overhead

[dean.long at oracle.com]

Changeset: 60dae13727b8
Author:    dlong
Date:      2017-10-13 12:29 -0700
URL:       http://hg.openjdk.java.net/jdk10/hs/rev/60dae13727b8

8189244: x86: eliminate frame::adjust_unextended_sp() overhead
Reviewed-by: kvn

! src/hotspot/cpu/x86/frame_x86.cpp
! src/hotspot/cpu/x86/frame_x86.hpp