erts: Add move2 specialization for common move patterns
erts: Add move2 specialization for common move patterns

Common pattern seen in SSL:
move y x | move r x -> move2
move r x | move y x -> move2

Common pattern seen in SSL and Compiler:
move x r | move x x -> move2

sammoth-wazoku/otp,sdebnath/otp,beni55/otp,uabboli/otp,enikki/otp,dgud/otp,enikki/otp,stolen/otp,haguenau/otp,vinoski/otp,rlipscombe/otp,VincentHHL/otp,dgud/otp,schlagert/otp,RGafiyatullin/otp,release-project/otp,fenollp/otp,krishnakumar4a4/otp,aboroska/otp,weisslj/otp,ader1990/otp,g-andrade/otp,emile/otp,weisslj/otp,basho/otp,ferd/otp,NOMORECOFFEE/otp,jamesruan/otp,psyeugenic/otp,vic/otp,tuncer/otp,psyeugenic/otp,paulcager/otp,GinjaNinja32/otp,weisslj/otp,rlipscombe/otp,lightcyphers/otp,mujiatong/otp,lantti/otp,marquisthunder/otp,RichMorin/otp,GinjaNinja32/otp,kvakvs/otp,paulcager/otp,marquisthunder/otp,getong/otp,isvilen/otp,lucafavatella/otp,lightcyphers/otp,tuncer/otp,beni55/otp,goertzenator/otp,legoscia/otp,saleyn/otp,vladdu/otp,GinjaNinja32/otp,g-andrade/otp,RichMorin/otp,Teino1978-Corp/otp,matwey/otp,enikki/otp,Teino1978-Corp/erlang-otp,lrascao/otp,enikki/otp,rlipscombe/otp,riverrun/otp,jamesruan/otp,beni55/otp,haguenau/otp,cobusc/otp,krishnakumar4a4/otp,lianghaivv/otp,theom/otp,matwey/otp,Teino1978-Corp/otp,vladdu/otp,neeraj9/otp,dgud/otp,Teino1978-Corp/erlang-otp,saleyn/otp,msantos/otp,basho/otp,hairyhum/otp,lrascao/otp,uabboli/otp,lrascao/otp,paulcager/otp,isvilen/otp,gjaldon/otp,release-project/otp,mikpe/otp,mikpe/otp,sammoth-wazoku/otp,lhslll/otp,entropiae/otp,platinumthinker/otp,cnbin/otp,cobusc/otp,fenollp/otp,GinjaNinja32/otp,cnbin/otp,goertzenator/otp,sitexa/otp,beni55/otp,rlipscombe/otp,theom/otp,isvilen/otp,marquisthunder/otp,VincentHHL/otp,platinumthinker/otp,gjaldon/otp,riverrun/otp,yangchengjian/otp,emile/otp,legoscia/otp,dumbbell/otp,ader1990/otp,paulcager/otp,cobusc/otp,electricimp/otp,lhslll/otp,RoadRunnr/otp,RaimoNiskanen/otp,matwey/otp,theom/otp,bsmr-erlang/otp,enikki/otp,RaimoNiskanen/otp,jj1bdx/otp,sdebnath/otp,neeraj9/otp,VincentHHL/otp,tuncer/otp,benoitc/otp-1,falkevik/otp,ader1990/otp,jj1bdx/otp,electricimp/otp,sdebnath/otp,saleyn/otp,lantti/otp,johanclaesson/otp,benoitc/otp-1,jj1bdx/otp,beni55/otp,krishnakumar4a4/otp,benoitc/otp-1,klarna/otp,Teino1978-Corp/erlang-otp,basho/otp,emacsmirror/erlang,emacsmirror/erlang,dgud/otp,emile/otp,awetzel/otp,beni55/otp,bernardd/otp,release-project/otp,yangchengjian/otp,VincentHHL/otp,mikpe/otp,stolen/otp,bjorng/otp,g-andrade/otp,c-rack/otp,cnbin/otp,uabboli/otp,awetzel/otp,aboroska/otp,vic/otp,getong/otp,jj1bdx/otp,goertzenator/otp,legoscia/otp,emacsmirror/erlang,aboroska/otp,palas/otp,potatosalad/otp,RoadRunnr/otp,sitexa/otp,RaimoNiskanen/otp,riverrun/otp,entropiae/otp,mujiatong/otp,enikki/otp,paulcager/otp,getong/otp,matwey/otp,platinumthinker/otp,uabboli/otp,rlipscombe/otp,jinshana/otp,ferd/otp,theom/otp,bjorng/otp,falkevik/otp,riverrun/otp,aboroska/otp,c-rack/otp,vladdu/otp,paladim/otp,RoadRunnr/otp,rlipscombe/otp,bsmr-erlang/otp,matwey/otp,fenollp/otp,platinumthinker/otp,msantos/otp,RaimoNiskanen/otp,ahmedshafeeq/otp,erlang/otp,krishnakumar4a4/otp,derek121/otp,vinoski/otp,massemanet/otp,bernardd/otp,matwey/otp,dumbbell/otp,benoitc/otp-1,basho/otp,GinjaNinja32/otp,bernardd/otp,jj1bdx/otp,cobusc/otp,benoitc/otp-1,erlang/otp,awetzel/otp,erlang/otp,entropiae/otp,emacsmirror/erlang,basho/otp,ader1990/otp,sitexa/otp,johanclaesson/otp,mujiatong/otp,mujiatong/otp,dgud/otp,c-rack/otp,potatosalad/otp,marquisthunder/otp,palas/otp,RoadRunnr/otp,neeraj9/otp,electricimp/otp,fenollp/otp,rlipscombe/otp,VincentHHL/otp,entropiae/otp,NOMORECOFFEE/otp,bjorng/otp,jemsbhai/otp,weisslj/otp,massemanet/otp,Teino1978-Corp/erlang-otp,marquisthunder/otp,Teino1978-Corp/otp,emile/otp,platinumthinker/otp,falkevik/otp,RGafiyatullin/otp,saleyn/otp,palas/otp,tuncer/otp,kvakvs/otp,dumbbell/otp,massemanet/otp,massemanet/otp,dgud/otp,ader1990/otp,tuncer/otp,falkevik/otp,cnbin/otp,lantti/otp,RoadRunnr/otp,mikpe/otp,g-andrade/otp,entropiae/otp,neeraj9/otp,yangchengjian/otp,platinumthinker/otp,saleyn/otp,bugs-erlang-org/otp,lhslll/otp,ahmedshafeeq/otp,massemanet/otp,derek121/otp,g-andrade/otp,electricimp/otp,ferd/otp,derek121/otp,vinoski/otp,tuncer/otp,RJ/otp,jj1bdx/otp,paulcager/otp,kvakvs/otp,entropiae/otp,vic/otp,lemenkov/otp,platinumthinker/otp,rlipscombe/otp,release-project/otp,sitexa/otp,dumbbell/otp,NOMORECOFFEE/otp,falkevik/otp,yangchengjian/otp,johanclaesson/otp,Teino1978-Corp/otp,mikpe/otp,uabboli/otp,RichMorin/otp,isvilen/otp,dgud/otp,sitexa/otp,dgud/otp,release-project/otp,getong/otp,emile/otp,theom/otp,paladim/otp,jemsbhai/otp,ferd/otp,isvilen/otp,bsmr-erlang/otp,emacsmirror/erlang,isvilen/otp,lemenkov/otp,stolen/otp,cnbin/otp,yangchengjian/otp,RoadRunnr/otp,awetzel/otp,jj1bdx/otp,gjaldon/otp,RGafiyatullin/otp,massemanet/otp,stolen/otp,haguenau/otp,potatosalad/otp,getong/otp,hairyhum/otp,bugs-erlang-org/otp,rlipscombe/otp,matwey/otp,bjorng/otp,RaimoNiskanen/otp,hairyhum/otp,release-project/otp,lemenkov/otp,Teino1978-Corp/otp,fenollp/otp,RGafiyatullin/otp,sitexa/otp,fenollp/otp,RJ/otp,potatosalad/otp,derek121/otp,dumbbell/otp,entropiae/otp,marquisthunder/otp,paladim/otp,tuncer/otp,schlagert/otp,paladim/otp,bernardd/otp,klarna/otp,RoadRunnr/otp,NOMORECOFFEE/otp,legoscia/otp,RoadRunnr/otp,riverrun/otp,awetzel/otp,basho/otp,sammoth-wazoku/otp,lightcyphers/otp,potatosalad/otp,potatosalad/otp,electricimp/otp,lrascao/otp,enikki/otp,mujiatong/otp,matwey/otp,sammoth-wazoku/otp,Teino1978-Corp/erlang-otp,c-rack/otp,GinjaNinja32/otp,vinoski/otp,bsmr-erlang/otp,jinshana/otp,cnbin/otp,lhslll/otp,getong/otp,emacsmirror/erlang,cobusc/otp,lightcyphers/otp,potatosalad/otp,klarna/otp,emile/otp,ferd/otp,Teino1978-Corp/otp,stolen/otp,lucafavatella/otp,lrascao/otp,psyeugenic/otp,bernardd/otp,theom/otp,getong/otp,potatosalad/otp,lianghaivv/otp,massemanet/otp,kvakvs/otp,neeraj9/otp,bjorng/otp,RJ/otp,hairyhum/otp,uabboli/otp,klarna/otp,lianghaivv/otp,lemenkov/otp,marquisthunder/otp,msantos/otp,lightcyphers/otp,platinumthinker/otp,yangchengjian/otp,kvakvs/otp,krishnakumar4a4/otp,lucafavatella/otp,awetzel/otp,getong/otp,jemsbhai/otp,lightcyphers/otp,jj1bdx/otp,RGafiyatullin/otp,emile/otp,getong/otp,goertzenator/otp,lemenkov/otp,lucafavatella/otp,mujiatong/otp,lianghaivv/otp,stolen/otp,jinshana/otp,g-andrade/otp,GinjaNinja32/otp,RichMorin/otp,kvakvs/otp,gjaldon/otp,erlang/otp,lucafavatella/otp,Teino1978-Corp/otp,haguenau/otp,lrascao/otp,gjaldon/otp,vladdu/otp,jamesruan/otp,bjorng/otp,jamesruan/otp,RJ/otp,derek121/otp,falkevik/otp,bugs-erlang-org/otp,gjaldon/otp,NOMORECOFFEE/otp,electricimp/otp,beni55/otp,bugs-erlang-org/otp,bjorng/otp,vic/otp,aboroska/otp,mikpe/otp,erlang/otp,VincentHHL/otp,vinoski/otp,aboroska/otp,g-andrade/otp,marquisthunder/otp,jemsbhai/otp,ahmedshafeeq/otp,lhslll/otp,haguenau/otp,mujiatong/otp,ahmedshafeeq/otp,schlagert/otp,goertzenator/otp,hairyhum/otp,fenollp/otp,krishnakumar4a4/otp,benoitc/otp-1,saleyn/otp,krishnakumar4a4/otp,yangchengjian/otp,goertzenator/otp,potatosalad/otp,haguenau/otp,benoitc/otp-1,falkevik/otp,cobusc/otp,awetzel/otp,c-rack/otp,cnbin/otp,vinoski/otp,RichMorin/otp,jinshana/otp,lantti/otp,RoadRunnr/otp,RichMorin/otp,dgud/otp,mikpe/otp,RJ/otp,goertzenator/otp,lightcyphers/otp,lightcyphers/otp,paulcager/otp,msantos/otp,gjaldon/otp,saleyn/otp,emile/otp,hairyhum/otp,riverrun/otp,jinshana/otp,g-andrade/otp,jamesruan/otp,massemanet/otp,benoitc/otp-1,jamesruan/otp,emacsmirror/erlang,cnbin/otp,massemanet/otp,cobusc/otp,Teino1978-Corp/erlang-otp,RJ/otp,falkevik/otp,psyeugenic/otp,vic/otp,electricimp/otp,RJ/otp,emacsmirror/erlang,falkevik/otp,RGafiyatullin/otp,kvakvs/otp,theom/otp,bugs-erlang-org/otp,vinoski/otp,erlang/otp,lianghaivv/otp,lucafavatella/otp,bjorng/otp,GinjaNinja32/otp,legoscia/otp,bernardd/otp,uabboli/otp,lhslll/otp,release-project/otp,palas/otp,vladdu/otp,vladdu/otp,lianghaivv/otp,isvilen/otp,Teino1978-Corp/otp,johanclaesson/otp,jemsbhai/otp,sdebnath/otp,uabboli/otp,palas/otp,weisslj/otp,lrascao/otp,jinshana/otp,NOMORECOFFEE/otp,klarna/otp,jemsbhai/otp,bsmr-erlang/otp,haguenau/otp,paulcager/otp,ader1990/otp,lemenkov/otp,jj1bdx/otp,weisslj/otp,jj1bdx/otp,NOMORECOFFEE/otp,mujiatong/otp,sdebnath/otp,dumbbell/otp,theom/otp,c-rack/otp,RGafiyatullin/otp,bernardd/otp,lantti/otp,goertzenator/otp,sitexa/otp,legoscia/otp,psyeugenic/otp,derek121/otp,ahmedshafeeq/otp,getong/otp,RaimoNiskanen/otp,emile/otp,bugs-erlang-org/otp,jamesruan/otp,saleyn/otp,ahmedshafeeq/otp,RichMorin/otp,neeraj9/otp,bsmr-erlang/otp,mikpe/otp,dgud/otp,sdebnath/otp,weisslj/otp,g-andrade/otp,ferd/otp,hairyhum/otp,Teino1978-Corp/erlang-otp,neeraj9/otp,vladdu/otp,riverrun/otp,ferd/otp,stolen/otp,krishnakumar4a4/otp,lemenkov/otp,erlang/otp,vinoski/otp,fenollp/otp,schlagert/otp,release-project/otp,jinshana/otp,aboroska/otp,schlagert/otp,klarna/otp,bernardd/otp,cobusc/otp,vinoski/otp,awetzel/otp,c-rack/otp,neeraj9/otp,msantos/otp,ader1990/otp,ader1990/otp,palas/otp,vinoski/otp,Teino1978-Corp/erlang-otp,derek121/otp,vic/otp,jemsbhai/otp,dumbbell/otp,ahmedshafeeq/otp,weisslj/otp,potatosalad/otp,vladdu/otp,c-rack/otp,schlagert/otp,saleyn/otp,dumbbell/otp,bsmr-erlang/otp,psyeugenic/otp,klarna/otp,matwey/otp,sammoth-wazoku/otp,electricimp/otp,ahmedshafeeq/otp,basho/otp,lucafavatella/otp,bjorng/otp,release-project/otp,palas/otp,sammoth-wazoku/otp,dumbbell/otp,ahmedshafeeq/otp,aboroska/otp,paladim/otp,electricimp/otp,isvilen/otp,g-andrade/otp,bugs-erlang-org/otp,lhslll/otp,enikki/otp,tuncer/otp,lrascao/otp,msantos/otp,fenollp/otp,lianghaivv/otp,johanclaesson/otp,paladim/otp,riverrun/otp,NOMORECOFFEE/otp,erlang/otp,legoscia/otp,bsmr-erlang/otp,uabboli/otp,lemenkov/otp,basho/otp,lucafavatella/otp,lantti/otp,erlang/otp,VincentHHL/otp,jinshana/otp,derek121/otp,RichMorin/otp,sdebnath/otp,johanclaesson/otp,emacsmirror/erlang,mikpe/otp,isvilen/otp,erlang/otp,psyeugenic/otp,mikpe/otp,legoscia/otp,lrascao/otp,entropiae/otp,sammoth-wazoku/otp,hairyhum/otp,kvakvs/otp,yangchengjian/otp,msantos/otp,vic/otp,isvilen/otp,weisslj/otp,lianghaivv/otp,jemsbhai/otp,johanclaesson/otp,tuncer/otp,ferd/otp,RaimoNiskanen/otp,paladim/otp,palas/otp,basho/otp,schlagert/otp,bjorng/otp,legoscia/otp,goertzenator/otp,beni55/otp,bsmr-erlang/otp,sitexa/otp,johanclaesson/otp,jamesruan/otp,vic/otp,bernardd/otp,paladim/otp,RaimoNiskanen/otp,gjaldon/otp,psyeugenic/otp,RaimoNiskanen/otp,emacsmirror/erlang,lhslll/otp,sammoth-wazoku/otp,VincentHHL/otp,RJ/otp,msantos/otp,ferd/otp,stolen/otp,vladdu/otp,schlagert/otp,sdebnath/otp,lantti/otp,RGafiyatullin/otp,kvakvs/otp,lantti/otp,dumbbell/otp,aboroska/otp,haguenau/otp,bugs-erlang-org/otp,klarna/otp,rlipscombe/otp