mfspr, builtin_ppc_mfspr

Purpose

Move from Special-Purpose Register

Returns the value of given special purpose register.

Syntax

unsigned long __builtin_ppc_mfspr (const int registerNumber)
unsigned long __mfspr (const int registerNumber)

Note:

The built-in function in the form of __name is a synonym of the built-in function in the form of __builtin_ppc_name.
The built-in function in the form of __name is provided for compatibility with IBM® XL C/C++ for AIX® 16.1.0 or earlier releases. This built-in function form might be deprecated in the future.

Parameters

registerNumber: The number of the special purpose register whose value is to be returned. The registerNumber must be known at compile time.