ARM Cortex-A53 MPCore - Page 352

Level 1 Memory System
ARM DDI 0500D Copyright © 2013-2014 ARM. All rights reserved. 6-8
ID021414 Non-Confidential
• LDR pc, [r13], #imm
• LDM r13, {…pc}
• LDM r13, {…pc} !
In AArch64 state, the
RET instruction causes a return stack pop.
Because return-from-exception instructions can change processor privilege mode and security
state, they are not predicted. This includes:
•
LDM (exception return)
• RFE
• SUBS pc, lr
• ERET