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ARM Compiler armasm User Guide : MSR (immediate)

MSR (immediate)

Move immediate value to Special Register.

Syntax

MSR pstatefield, #imm

Where:

pstatefield

Is a PSTATE field name, and can be one of SPSel, DAIFSet or DAIFClr.

imm

Is a 4-bit unsigned immediate, in the range 0 to 15.

Usage

Move immediate value to Special Register moves an immediate value to selected bits of the PSTATE, namely D, A, I, F, and SP. For more information, see Process state, PSTATE in the ARMv8-A Architecture Reference Manual.

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