Inline-Assembly for Power Architecture Build Tools

This chapter explains how to use the inline assembler built into the CodeWarrior™ C and C++ compilers for Power Architecture processors. The compiler's inline assembler allows you to embed assembly language statements in C and C++ functions.

The chapter does not describe the standalone CodeWarrior assembler. For information about this tool, refer to the chapter titled Assembler .

This chapter does not document all the instructions in the Power Architecture instruction set. For complete documentation of this instruction set, see Programming Environments Manual for 32-Bit Implementations of the PowerPC™ Architecture, published by Freescale.

The sections in this chapter are:

• Assembly Syntax
  The compiler's inline assembler allows a variety of ways to insert assembly language statements in your C or C++ source code
• Referring to Assembly, C, and C++ Variables
  The compiler's inline assembler has access to the local and global variables declared in C or C++ source code.
• Assembler Directives
  Describes some special assembler directives that the PowerPC built-in assembler supports.
• Intrinsic Functions
  Intrinsic functions are a mechanism you can use to get assembly language into your source code without using the asm keyword.