x86 Assembly Language Reference Manual

Control Transfer Instructions

The control transfer instructions control the flow of program execution.

Table 3–7 Control Transfer Instructions


Solaris Mnemonic	Intel/AMD Mnemonic	Description	Notes
`bound{wl}`	`BOUND`	detect value out of range	`boundw` invalid under `-xarch=amd64`
`call`	`CALL`	call procedure
`enter`	`ENTER`	high-level procedure entry
`int`	`INT`	software interrupt
`into`	`INTO`	interrupt on overflow	invalid under `-xarch=amd64`
`iret`	`IRET`	return from interrupt
`ja`	`JA`	jump if above
`jae`	`JAE`	jump if above or equal
`jb`	`JB`	jump if below
`jbe`	`JBE`	jump if below or equal
`jc`	`JC`	jump if carry
`jcxz`	`JCXZ`	jump register `%cx` zero
`je`	`JE`	jump if equal
`jecxz`	`JECXZ`	jump register `%ecx` zero	invalid under `-xarch=amd64`
`jg`	`JG`	jump if greater
`jge`	`JGE`	jump if greater or equal
`jl`	`JL`	jump if less
`jle`	`JLE`	jump if less or equal
`jmp`	`JMP`	jump
`jnae`	`JNAE`	jump if not above or equal
`jnb`	`JNB`	jump if not below
`jnbe`	`JNBE`	jump if not below or equal
`jnc`	`JNC`	jump if not carry
`jne`	`JNE`	jump if not equal
`jng`	`JNG`	jump if not greater
`jnge`	`JNGE`	jump if not greater or equal
`jnl`	`JNL`	jump if not less
`jnle`	`JNLE`	jump if not less or equal
`jno`	`JNO`	jump if not overflow
`jnp`	`JNP`	jump if not parity
`jns`	`JNS`	jump if not sign (non-negative)
`jnz`	`JNZ`	jump if not zero
`jo`	`JO`	jump if overflow
`jp`	`JP`	jump if parity
`jpe`	`JPE`	jump if parity even
`jpo`	`JPO`	jump if parity odd
`js`	`JS`	jump if sign (negative)
`jz`	`JZ`	jump if zero
`lcall`	`CALL`	call far procedure	valid as indirect only for `-xarg=amd64`
`leave`	`LEAVE`	high-level procedure exit
`loop`	`LOOP`	loop with `%ecx` counter
`loope`	`LOOPE`	loop with `%ecx` and equal
`loopne`	`LOOPNE`	loop with `%ecx` and not equal
`loopnz`	`LOOPNZ`	loop with `%ecx` and not zero
`loopz`	`LOOPZ`	loop with `%ecx` and zero
`lret`	`RET`	return from far procedure	valid as indirect only for `-xarg=amd64`
`ret`	`RET`	return