RealView Compiler Reference Guide
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Compiler Command-line Options

Language Extensions

Compiler-specific Features

Keywords and operators

__svc_indirect_r7

__value_in_regs

__declspec attributes

__declspec(dllexport)

__declspec(dllimport)

__declspec(noinline)

__declspec(noreturn)

__declspec(nothrow)

__declspec(notshared)

__declspec(thread)

Function attributes

__attribute__((alias))

__attribute__((always_inline))

__attribute__((const))

__attribute__((deprecated))

__attribute__((malloc))

__attribute__((noinline))

__attribute__((noreturn))

__attribute__((pure))

__attribute__((section))

__attribute__((unused))

__attribute__((used))

__attribute__((weak))

Type attributes

__attribute__((aligned))

__attribute((packed))

__attribute__((transparent_union))

Variable attributes

__attribute__((alias))

__attribute__((at(address)))

__attribute__((aligned))

__attribute__((deprecated))

__attribute__((packed))

__attribute__((section))

__attribute__((transparent_union))

__attribute__((unused))

__attribute__((used))

__attribute__((weak))

__attribute__((zero_init))

#pragma [no_]anon_unions

#pragma arm section [section_sort_list]

#pragma diag_default tag[,tag,...]

#pragma diag_error tag[,tag,...]

#pragma diag_remark tag[,tag,...]

#pragma diag_suppress tag[,tag,...]

#pragma diag_warning tag[, tag, ...]

#pragma [no_]exceptions_unwind

#pragma hdrstop

#pragma import symbol_name

#pragma [no_]inline

#pragma [no_]softfp_linkage

#pragma unroll [(n)]

#pragma unroll_completely

Instruction intrinsics

__builtin_constant_p

__builtin_expect

__builtin_frame_address

__builtin_return_address

__builtin_popcount

__memory_changed

__return_address

__schedule_barrier

ARMv6 SIMD intrinsics

ETSI basic operations

C55x intrinsics

Named register variables

Compiler predefines

Predefined macros

C and C++ Implementation Details

Via File Syntax

Standard C Implementation Definition

Standard C++ Implementation Definition

C and C++ Compiler Implementation Limits

Compiler-specific Features

RealView^® Compilation Tools for μVision Compiler Reference Guide

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Home > Compiler-specific Features

Chapter 4. Compiler-specific Features

Table of Contents

4.1. Keywords and operators

4.1.1. __align
4.1.2. __alignof__
4.1.3. __ALIGNOF__
4.1.4. __asm
4.1.5. __forceinline
4.1.6. __global_reg
4.1.7. __inline
4.1.8. __int64
4.1.9. __INTADDR__
4.1.10. __irq
4.1.11. __packed
4.1.12. __pure
4.1.13. __smc
4.1.14. __softfp
4.1.15. __svc
4.1.16. __svc_indirect
4.1.17. __svc_indirect_r7
4.1.18. __value_in_regs
4.1.19. __weak
4.1.20. __writeonly

4.2. __declspec attributes

4.2.1. __declspec(dllexport)
4.2.2. __declspec(dllimport)
4.2.3. __declspec(noinline)
4.2.4. __declspec(noreturn)
4.2.5. __declspec(nothrow)
4.2.6. __declspec(notshared)
4.2.7. __declspec(thread)

4.3. Function attributes

4.3.1. __attribute__((alias))
4.3.2. __attribute__((always_inline))
4.3.3. __attribute__((const))
4.3.4. __attribute__((deprecated))
4.3.5. __attribute__((malloc))
4.3.6. __attribute__((noinline))
4.3.7. __attribute__((noreturn))
4.3.8. __attribute__((pure))
4.3.9. __attribute__((section))
4.3.10. __attribute__((unused))
4.3.11. __attribute__((used))
4.3.12. __attribute__((weak))

4.4. Type attributes

4.4.1. __attribute__((aligned))
4.4.2. __attribute((packed))
4.4.3. __attribute__((transparent_union))

4.5. Variable attributes

4.5.1. __attribute__((alias))
4.5.2. __attribute__((at(address)))
4.5.3. __attribute__((aligned))
4.5.4. __attribute__((deprecated))
4.5.5. __attribute__((packed))
4.5.6. __attribute__((section))
4.5.7. __attribute__((transparent_union))
4.5.8. __attribute__((unused))
4.5.9. __attribute__((used))
4.5.10. __attribute__((weak))
4.5.11. __attribute__((zero_init))

4.6. Pragmas

4.6.1. #pragma [no_]anon_unions
4.6.2. #pragma arm
4.6.3. #pragma arm section [section_sort_list]
4.6.4. #pragma diag_default tag[,tag,...]
4.6.5. #pragma diag_error tag[,tag,...]
4.6.6. #pragma diag_remark tag[,tag,...]
4.6.7. #pragma diag_suppress tag[,tag,...]
4.6.8. #pragma diag_warning tag[, tag, ...]
4.6.9. #pragma [no_]exceptions_unwind
4.6.10. #pragma hdrstop
4.6.11. #pragma import symbol_name
4.6.12. #pragma [no_]inline
4.6.13. #pragma no_pch
4.6.14. #pragma Onum
4.6.15. #pragma once
4.6.16. #pragma Ospace
4.6.17. #pragma Otime
4.6.18. #pragma pop
4.6.19. #pragma push
4.6.20. #pragma [no_]softfp_linkage
4.6.21. #pragma unroll [(n)]
4.6.22. #pragma unroll_completely
4.6.23. #pragma thumb

4.7. Instruction intrinsics

4.8. Compiler predefines

4.8.1. Predefined macros
4.8.2. Function names

This chapter describes the ARM compiler‑specific features, and includes:

Copyright © 2007 ARM Limited. All rights reserved.	ARM DUI 0376A
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