BR 2420167: jmp not always optimized
BR 2420167: jmp not always optimized

Begin by assuming short jumps are possible to prevent suboptimal convergence.

techkey/nasm,turingstudio/nasm,projedi/nasm,techkey/nasm,letolabs/nasm,techkey/nasm,letolabs/nasm,Distrotech/nasm,projedi/nasm,turingstudio/nasm,projedi/nasm,projedi/nasm,letolabs/nasm,techkey/nasm,projedi/nasm,turingstudio/nasm,Distrotech/nasm,techkey/nasm,Distrotech/nasm,turingstudio/nasm,Distrotech/nasm