Arm strided load and store fixes
Arm strided load and store fixes

Fixed indexing for multibyte strided loads

Removed fixed code for loads of stride 6 and 8,
it was buggy, and wasn't any faster than the generic
strided load case.

dan-tull/Halide,mcanthony/Halide,kgnk/Halide,ronen/Halide,smxlong/Halide,damienfir/Halide,ronen/Halide,myrtleTree33/Halide,tdenniston/Halide,lglucin/Halide,jiawen/Halide,mikeseven/Halide,smxlong/Halide,ayanazmat/Halide,mcanthony/Halide,lglucin/Halide,fengzhyuan/Halide,aam/Halide,adasworks/Halide,ayanazmat/Halide,ronen/Halide,damienfir/Halide,ayanazmat/Halide,tdenniston/Halide,smxlong/Halide,damienfir/Halide,delcypher/Halide,damienfir/Halide,fengzhyuan/Halide,aam/Halide,lglucin/Halide,mcanthony/Halide,aam/Halide,ronen/Halide,dan-tull/Halide,aam/Halide,aam/Halide,dougkwan/Halide,damienfir/Halide,kenkuang1213/Halide,smxlong/Halide,dougkwan/Halide,kgnk/Halide,gchauras/Halide,myrtleTree33/Halide,gchauras/Halide,ronen/Halide,myrtleTree33/Halide,rodrigob/Halide,dougkwan/Halide,kgnk/Halide,kenkuang1213/Halide,kenkuang1213/Halide,dan-tull/Halide,dougkwan/Halide,delcypher/Halide,tdenniston/Halide,dougkwan/Halide,kenkuang1213/Halide,ayanazmat/Halide,kenkuang1213/Halide,dan-tull/Halide,psuriana/Halide,fengzhyuan/Halide,ronen/Halide,fengzhyuan/Halide,rodrigob/Halide,adasworks/Halide,delcypher/Halide,psuriana/Halide,kenkuang1213/Halide,damienfir/Halide,aam/Halide,rodrigob/Halide,adasworks/Halide,lglucin/Halide,psuriana/Halide,delcypher/Halide,fengzhyuan/Halide,mcanthony/Halide,jiawen/Halide,ayanazmat/Halide,tdenniston/Halide,smxlong/Halide,fengzhyuan/Halide,gchauras/Halide,jiawen/Halide,psuriana/Halide,mikeseven/Halide,dougkwan/Halide,kgnk/Halide,rodrigob/Halide,ayanazmat/Halide,smxlong/Halide,adasworks/Halide,lglucin/Halide,rodrigob/Halide,rodrigob/Halide,kgnk/Halide,smxlong/Halide,kenkuang1213/Halide,fengzhyuan/Halide,rodrigob/Halide,dan-tull/Halide,tdenniston/Halide,kgnk/Halide,psuriana/Halide,ayanazmat/Halide,kenkuang1213/Halide,tdenniston/Halide,lglucin/Halide,psuriana/Halide,dougkwan/Halide,ronen/Halide,gchauras/Halide,damienfir/Halide,smxlong/Halide,dan-tull/Halide,jiawen/Halide,jiawen/Halide,adasworks/Halide,adasworks/Halide,mcanthony/Halide,psuriana/Halide,jiawen/Halide,damienfir/Halide,mikeseven/Halide,myrtleTree33/Halide,fengzhyuan/Halide,gchauras/Halide,mcanthony/Halide,kgnk/Halide,mikeseven/Halide,mcanthony/Halide,kgnk/Halide,myrtleTree33/Halide,dougkwan/Halide,adasworks/Halide,mcanthony/Halide,adasworks/Halide,aam/Halide,lglucin/Halide,ayanazmat/Halide,rodrigob/Halide,delcypher/Halide,dan-tull/Halide,jiawen/Halide,delcypher/Halide,mikeseven/Halide,delcypher/Halide,myrtleTree33/Halide,tdenniston/Halide,myrtleTree33/Halide,dan-tull/Halide,ronen/Halide,delcypher/Halide,gchauras/Halide,tdenniston/Halide,myrtleTree33/Halide