x64 Software Conventions

This section describes the Visual C++ calling convention methodology for x64, 64-bit extension to the x86 architecture.

• Overview of x64 Calling Conventions

• Types and Storage

• Register Usage

• Calling Convention

• Stack Usage

• Prolog and Epilog

• Exception Handling in Visual C++

• Intrinsics and Inline Assembly

• Image Format

The following compiler option helps you optimize your application for x64:

• /favor (Optimize for x64)

See Also

Reference

Calling Conventions