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AIX Version 4.3 Assembler Language Reference

mfsrin (Move from Segment Register Indirect) Instruction

Purpose

Copies the contents of the specified segment register into a general-purpose register.

Note: The mfsrin instruction is supported only in the PowerPC architecture.

Syntax

PowerPC
mfsrin RT,RB

Description

The mfsrin instruction copies the contents of segment register (SR), specified by bits 0-3 of the general-purpose register (GPR) RB, into GPR RT.

The mfsrin instruction has one syntax form and does not affect the Fixed-Point Exception Register. If the Record (Rc) bit is set to 1, the Condition Register Field 0 is undefined.

Parameters

RT Specifies the target general-purpose register for operation.
RB Specifies the source general-purpose register for SR calculation.

Security

The mfsrin instruction is privileged.

Related Information

The mfsr (Move from Segment Register) instruction, mfsri (Move from Segment Register Indirect) instruction, mtsr (Move to Segment Register) instruction, mtsrin or mtsri (Move to Segment Register Indirect) instruction.

Processing and Storage


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