Comment by AceJohnny2

8 hours ago

Offtopic...

    * Do this with "<0" and ">=0" to only test the sign of the result. A
    * good compiler would generate better code (and a really good compiler
    * wouldn't care). Gcc is currently neither.

It's funny the love-hate relationship the Linux kernel has with GCC. It's the only supported compiler[1], and yet...

[1] can Clang fully compile Linux yet? I haven't followed the updates in a while.

2 comments

AceJohnny2

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rwmj  6 hours ago

To be fair this comment predates git history (before 2005) when GCC wasn't a very good compiler. The kernel developers at one point were sticking with a specific version of GCC because later versions would miscompile the kernel. Clang didn't exist then.

GCC is a different beast and far better nowadays.