BtoR             1171 src/cmd/5c/reg.c BtoR(int32 b)
BtoR             1335 src/cmd/5g/reg.c BtoR(int32 b)
BtoR             1372 src/cmd/6c/reg.c BtoR(int32 b)
BtoR             1205 src/cmd/6g/reg.c BtoR(int32 b)
BtoR             1310 src/cmd/8c/reg.c BtoR(int32 b)
BtoR             1182 src/cmd/8g/reg.c BtoR(int32 b)