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GCC hacks in the Linux kernel

ibm.com — The Linux kernel uses several special capabilities of the GNU Compiler Collection (GCC) suite. These capabilities range from giving you shortcuts and simplifications to providing the compiler with hints for optimization. Discover some of these special GCC features and learn how to use them in the Linux kernel.

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  • cplusplus, on 11/23/2008, -0/+1These a kind of cool but I could think of more useful stuff like:
    char a[10], b[10];
    strncpy(a, b, sizeof(a));
    assign a = b; // possible extension

    Also why is the kernel using #define and nifty GCC extensions?
    I would think inline would be the way.


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