Home/ Questions/Q 250005
In Process

The Archive Base Latest Questions

Editorial Team
  • 0
Asked: 2026-05-11T21:28:29+00:00

I have been testing inline function calls in C++. Thread model: win32 gcc version

  • 0

I have been testing inline function calls in C++.

Thread model: win32
gcc version 4.3.3 (4.3.3-tdm-1 mingw32)

Stroustrup in The C++ Programming language wirtes:

The inline specifier is a hint to the compiler that it should attempt to generate code […] inline rather than laying down the code for the function once and then calling through the usual function call mechanism.

However, I have found out that the generated code is simply not inline. There is a CALL instrction for the isquare function.

alt text

Why is this happening? How can I use inline functions then?

EDIT: The command line options used:

**** Build of configuration Debug for project InlineCpp ****

**** Internal Builder is used for build               ****
g++ -O0 -g3 -Wall -c -fmessage-length=0 -osrc\InlineCpp.o ..\src\InlineCpp.cpp
g++ -oInlineCpp.exe src\InlineCpp.o
Share

Leave an answer

You must login to add an answer.

Need An Account,

1 Answer

  1. Editorial Team

    There is no generic C++ way to FORCE the compiler to create inline functions. Note the word ‘hint’ in the text you quoted – the compiler is not obliged to listen to you.

    If you really, absolutely have to make something be in-line, you’ll need a compiler specific keyword, OR you’ll need to use macros instead of functions.

    EDIT: njsf gives the proper gcc keyword in his response.

    • 0