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| CPSR[4:0] | Mode | Register set |  | 10000  | User |  PC, R14..R0, CPSR |  | 10001 | FIQ | PC, R14_fiq..R8_fiq, R7-R0, CPSR, SPSR_fiq |  | 10010 | IRQ  | PC, R14_irq, R13_irq, R12-R0, CPSR, SPSR_irq |  | 10011 | SVC | PC, R14_svc, R13_svc, R12-R0, CPSR, SPSR_sv |  | 10111 | Abort | PC, R14_abt, R13_abt, R12-R0, CPSR, SPSR_abt |  | 11011 | Undef  | PC, R14_und, R13_und, R12-R0, CPSR, SPSR_und |  | 11111 | System | PC, R14..R0, CPSR |  |