[ Bottom of Page | Previous Page | Next Page | Contents | Index | Library Home | Legal | Search ]

Assembler Language Reference

mcrxr (Move to Condition Register from XER) Instruction

Purpose

Copies the Summary Overflow bit, Overflow bit, Carry bit, and bit 3 from the Fixed-Point Exception Register into a specified field of the Condition Register.

Syntax

Bits Value
0-5 31
6-8 BF
9-10 //
11-15 ///
16-20 ///
21-30 512
31 /
mcrxr BF

Description

The mcrxr copies the contents of Fixed-Point Exception Register Field 0 bits 0-3 into Condition Register Field BF and resets Fixed-Point Exception Register Field 0 to 0.

The mcrxr instruction has one syntax form and resets Fixed-Point Exception Register bits 0-3 to 0.

Parameters

BF Specifies target condition register field where result of operation is stored.

Examples

The following code copies the Summary Overflow bit, Overflow bit, Carry bit, and bit 3 from the Fixed-Point Exception Register into field 4 of the Condition Register.

# Assume bits 0-3 of the Fixed-Point Exception
# Register are set to b'1110'.
mcrxr 4
# Condition Register Field 4 now holds b'1110'.

Related Information

Branch Processor .

Fixed-Point Move to or from Special-Purpose Registers Instructions .

[ Top of Page | Previous Page | Next Page | Contents | Index | Library Home | Legal | Search ]