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AArch64 does not have a CPSR register in the same way that AArch32 does. Most of its compiler-relevant roles have been taken over by the more specific NZCV register (representing just the flags set by normal instructions). Its system control functions still remain, but are now under the pseudo-register referred to as "PSTATE". They're accessed via various MRS & MSR instructions described in the reference manual. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207645 91177308-0d34-0410-b5e6-96231b3b80d8
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