BtoF             1196 src/cmd/5c/reg.c BtoF(int32 b)
BtoF             1360 src/cmd/5g/reg.c BtoF(int32 b)
BtoF             1398 src/cmd/6c/reg.c BtoF(int32 b)
BtoF             1230 src/cmd/6g/reg.c BtoF(int32 b)
BtoF             1200 src/cmd/8g/reg.c BtoF(int32 b)