2.6.5.1.1 Syntax

op{S}{cond} {Rd,} Rn, Operand2

op{cond} {Rd,} Rn, #imm12         ; ADD and SUB only

where:

• op is one of:
  • ADD: Add
  • ADC: Add with Carry
  • SUB: Subtract
  • SBC: Subtract with Carry
  • RSB: Reverse Subtract
• S is an optional suffix. If S is specified, the condition code flags are updated on the result of the operation, see 2.6.3.7 Conditional Execution.
• cond is an optional condition code, see 2.6.3.7 Conditional Execution.
• Rd is the destination register. If Rd is omitted, the destination register is Rn.
• Rn is the register holding the first operand.
• Operand2 is a flexible second operand. For more information about the options, see 2.6.3.3 Flexible Second Operand.
• imm12 is any value in the range 0-4095