Additionally, there is an instruction ‘mov r64,imm32’ which nasm would select even if it did not have this crazy peephole; that is only 7 bytes, not 10 (rex, op

Additionally, there is an instruction ‘mov r64,imm32’ which nasm would select even if it did not have this crazy peephole; that is only 7 bytes, not 10 (rex, op, modr/m, id).