Using the Inline and Embedded Assemblers

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Chapter 6. Using the Inline and Embedded Assemblers

Table of Contents

6.1. Inline assembler

6.1.1. Inline assembler syntax
6.1.2. Restrictions on inline assembly operations
6.1.3. Virtual registers
6.1.4. Constants
6.1.5. Instruction expansion
6.1.6. Condition flags
6.1.7. Operands
6.1.8. Function calls and branches
6.1.9. Labels
6.1.10. Differences from previous versions of the ARM C/C++ compilers

6.2. Embedded assembler

6.2.1. Embedded assembler syntax
6.2.2. Restrictions on embedded assembly
6.2.3. Differences between expressions in embedded assembly and C or C++
6.2.4. Generation of embedded assembly functions
6.2.5. The __cpp keyword
6.2.6. Manual overload resolution
6.2.7. Keywords for related base classes
6.2.8. Keywords for member function classes
6.2.9. Calling non‑static member functions
6.2.10. Differences from previous versions of the ARM C/C++ compilers

6.3. Legacy inline assembler that accesses sp, lr, or pc

6.3.1. Accessing sp (r13), lr (r14), and pc (r15) in legacy code

6.4. Differences between inline and embedded assembly code

This chapter describes the optimizing inline assembler and non‑optimizing embedded assembler of the ARM compiler, armcc. It contains the following sections:

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