M-series cores are not affected, but the M4 and M7 cores do implement branch prediction (you're correct that they don't do OOE). See http://infocenter.arm.com/

M-series cores are not affected, but the M4 and M7 cores do implement branch prediction (you're correct that they don't do OOE). See http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.dui0553a/CIHDHAEF.html http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.... >>Instruction prefetch and branch prediction >> >>The Cortex-M4 processor: >> prefetches instructions ahead of execution >> speculatively prefetches from branch target addresses.