Re: Using __builtin_expect (likely/unlikely macros)

[Paul Eggert]

Alex Gramiak wrote:
> the likely/unlikely
> macros are a nice way to indicate that a branch is exceedingly
> rare/common.

The cost (in making the C code harder to read, write and maintain) so often 
exceeds that benefit that I'd rather avoid these macros unless there's a good 
performance case for putting them in.