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9-118 PPC405 Core User’s Manual
mtmsr
Move To Machine State Register
9.Instruction Setmtmsr
Move To Machine State Register
(MSR) ← (RS)
The contents of register RS are placed into the MSR.
If instruction bit 31 contains 1, the contents of CR[CR0] are undefined.
Registers Altered
• MSR
Invalid Instruction Forms
• Reserved fields
Programming Note
The mtmsr instruction is privileged and execution synchronizing.
Architecture Note
This instruction is part of the IBM PowerPC Embedded Operating Environment.
mtmsr RS
31 RS 146
0 6 11 21 31