(GR): New macro. (BR): Likewise. (FR): Likewise. (_Uia64_getcontext): Tweak for slightly better cold-cache performance.
(GR): New macro.
(BR): Likewise.
(FR): Likewise.
(_Uia64_getcontext): Tweak for slightly better cold-cache performance.

(Logical change 1.190)

fillexen/libunwind,ehsan/libunwind,lat/libunwind,tronical/libunwind,atanasyan/libunwind,vtjnash/libunwind,igprof/libunwind,martyone/libunwind,adsharma/libunwind,atanasyan/libunwind,rntz/libunwind,android-ia/platform_external_libunwind,0xlab/0xdroid-external_libunwind,rntz/libunwind,androidarmv6/android_external_libunwind,dagar/libunwind,SyndicateRogue/libunwind,fdoray/libunwind,vtjnash/libunwind,androidarmv6/android_external_libunwind,Keno/libunwind,ehsan/libunwind,cms-externals/libunwind,DroidSim/platform_external_libunwind,dropbox/libunwind,igprof/libunwind,atanasyan/libunwind-android,zeldin/platform_external_libunwind,mpercy/libunwind,androidarmv6/android_external_libunwind,olibc/libunwind,martyone/libunwind,olibc/libunwind,zliu2014/libunwind-tilegx,dropbox/libunwind,cms-externals/libunwind,geekboxzone/lollipop_external_libunwind,DroidSim/platform_external_libunwind,yuyichao/libunwind,Keno/libunwind,wdv4758h/libunwind,rantala/libunwind,zeldin/platform_external_libunwind,rogwfu/libunwind,lat/libunwind,rntz/libunwind,zeldin/platform_external_libunwind,tkelman/libunwind,evaautomation/libunwind,vegard/libunwind,tony/libunwind,joyent/libunwind,pathscale/libunwind,0xlab/0xdroid-external_libunwind,cms-externals/libunwind,tronical/libunwind,frida/libunwind,joyent/libunwind,atanasyan/libunwind-android,pathscale/libunwind,tronical/libunwind,DroidSim/platform_external_libunwind,mpercy/libunwind,djwatson/libunwind,Chilledheart/libunwind,dreal-deps/libunwind,project-zerus/libunwind,wdv4758h/libunwind,jrmuizel/libunwind,dagar/libunwind,0xlab/0xdroid-external_libunwind,geekboxzone/lollipop_external_libunwind,Chilledheart/libunwind,geekboxzone/lollipop_external_libunwind,geekboxzone/mmallow_external_libunwind,libunwind/libunwind,rantala/libunwind,project-zerus/libunwind,CyanogenMod/android_external_libunwind,libunwind/libunwind,adsharma/libunwind,tony/libunwind,dagar/libunwind,adsharma/libunwind,dreal-deps/libunwind,igprof/libunwind,evaautomation/libunwind,CyanogenMod/android_external_libunwind,maltek/platform_external_libunwind,lat/libunwind,ehsan/libunwind,wdv4758h/libunwind,vegard/libunwind,martyone/libunwind,CyanogenMod/android_external_libunwind,fillexen/libunwind,atanasyan/libunwind,mpercy/libunwind,krytarowski/libunwind,cloudius-systems/libunwind,krytarowski/libunwind,SyndicateRogue/libunwind,bo-on-software/libunwind,djwatson/libunwind,project-zerus/libunwind,libunwind/libunwind,fdoray/libunwind,rantala/libunwind,yuyichao/libunwind,unkadoug/libunwind,olibc/libunwind,evaautomation/libunwind,pathscale/libunwind,rogwfu/libunwind,rogwfu/libunwind,fdoray/libunwind,android-ia/platform_external_libunwind,Keno/libunwind,cloudius-systems/libunwind,geekboxzone/mmallow_external_libunwind,joyent/libunwind,frida/libunwind,dreal-deps/libunwind,krytarowski/libunwind,tkelman/libunwind,maltek/platform_external_libunwind,tkelman/libunwind,atanasyan/libunwind-android,tony/libunwind,djwatson/libunwind,geekboxzone/mmallow_external_libunwind,jrmuizel/libunwind,zliu2014/libunwind-tilegx,maltek/platform_external_libunwind,vegard/libunwind,cloudius-systems/libunwind,zliu2014/libunwind-tilegx,yuyichao/libunwind,dropbox/libunwind,fillexen/libunwind,vtjnash/libunwind,bo-on-software/libunwind,unkadoug/libunwind,jrmuizel/libunwind,Chilledheart/libunwind,android-ia/platform_external_libunwind,bo-on-software/libunwind,unkadoug/libunwind,SyndicateRogue/libunwind,frida/libunwind