What is the RDI register used for?
What is the RDI register used for? RegistersRegisterPurposeSaved across calls%rsiused to pass 2nd argument to functionsNo%rdiused to pass 1st argument to functionsNo%r8used to pass 5th argument to functionsNo%r9used to pass 6th argument to functionsNo What is RAX register? rax is the 64-bit, "long" size register. It was added in 2003 during the transition to 64-bit processors. It was added in 1979 with the 8086 CPU, but is used in DOS or BIOS code to this day. al and ah are the 8-bit, "char" size registers. al is the low 8 bits, ah is the high 8 bits. What does LEA...