Add basic SuperH detection
Add basic SuperH detection

Based on "make checkalign", there is no alignment requirement at least on
Linux SH4.  Using alignment 4 in any case, because that's a good default
if there is potential performance impact of smaller alignment (e.g. for
cache lines and such).

eddieh/duktape,svaarala/duktape,reqshark/duktape,haosu1987/duktape,harold-b/duktape,zeropool/duktape,jmptrader/duktape,chenyaqiuqiu/duktape,rwaldron/duktape,tassmjau/duktape,jmptrader/duktape,pombredanne/duktape,jmptrader/duktape,thurday/duktape,haosu1987/duktape,svaarala/duktape,kphillisjr/duktape,pombredanne/duktape,harold-b/duktape,thurday/duktape,pombredanne/duktape,tassmjau/duktape,jmptrader/duktape,jmptrader/duktape,chenyaqiuqiu/duktape,pombredanne/duktape,markand/duktape,kphillisjr/duktape,svaarala/duktape,sloth4413/duktape,kphillisjr/duktape,nivertech/duktape,kphillisjr/duktape,thurday/duktape,zeropool/duktape,tassmjau/duktape,svaarala/duktape,haosu1987/duktape,sloth4413/duktape,sloth4413/duktape,skomski/duktape,rwaldron/duktape,jmptrader/duktape,rwaldron/duktape,reqshark/duktape,nivertech/duktape,skomski/duktape,eddieh/duktape,haosu1987/duktape,chenyaqiuqiu/duktape,tassmjau/duktape,reqshark/duktape,harold-b/duktape,rwaldron/duktape,skomski/duktape,nivertech/duktape,svaarala/duktape,skomski/duktape,markand/duktape,harold-b/duktape,chenyaqiuqiu/duktape,harold-b/duktape,rwaldron/duktape,sloth4413/duktape,jmptrader/duktape,markand/duktape,reqshark/duktape,jmptrader/duktape,pombredanne/duktape,harold-b/duktape,haosu1987/duktape,svaarala/duktape,eddieh/duktape,pombredanne/duktape,tassmjau/duktape,thurday/duktape,svaarala/duktape,haosu1987/duktape,pombredanne/duktape,harold-b/duktape,svaarala/duktape,haosu1987/duktape,eddieh/duktape,haosu1987/duktape,nivertech/duktape,harold-b/duktape,tassmjau/duktape,zeropool/duktape,markand/duktape,nivertech/duktape,pombredanne/duktape,thurday/duktape,markand/duktape,eddieh/duktape,eddieh/duktape,zeropool/duktape,zeropool/duktape,reqshark/duktape,sloth4413/duktape,chenyaqiuqiu/duktape,kphillisjr/duktape,haosu1987/duktape,reqshark/duktape,haosu1987/duktape,markand/duktape,nivertech/duktape,skomski/duktape,nivertech/duktape,markand/duktape,chenyaqiuqiu/duktape,eddieh/duktape,zeropool/duktape,jmptrader/duktape,markand/duktape,reqshark/duktape,markand/duktape,kphillisjr/duktape,harold-b/duktape,chenyaqiuqiu/duktape,zeropool/duktape,reqshark/duktape,chenyaqiuqiu/duktape,kphillisjr/duktape,thurday/duktape,nivertech/duktape,thurday/duktape,nivertech/duktape,zeropool/duktape,eddieh/duktape,chenyaqiuqiu/duktape,rwaldron/duktape,thurday/duktape,skomski/duktape,chenyaqiuqiu/duktape,harold-b/duktape,tassmjau/duktape,sloth4413/duktape,thurday/duktape,pombredanne/duktape,jmptrader/duktape,sloth4413/duktape,skomski/duktape,tassmjau/duktape,thurday/duktape,tassmjau/duktape,skomski/duktape,zeropool/duktape,eddieh/duktape,skomski/duktape,kphillisjr/duktape,svaarala/duktape,skomski/duktape,zeropool/duktape,reqshark/duktape,markand/duktape,reqshark/duktape,pombredanne/duktape,sloth4413/duktape,kphillisjr/duktape,eddieh/duktape,sloth4413/duktape,nivertech/duktape,sloth4413/duktape,tassmjau/duktape,kphillisjr/duktape