Messages in this thread | | | Date | Sat, 13 Sep 2014 12:04:27 +0200 | From | Richard Weinberger <> | Subject | Re: [RFC][PATCH] signal: replace !likely with unlikely! |
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Am 13.09.2014 04:48, schrieb Li RongQing: > I did not test, how to test it?
Compare the object files of both variants to find out whether both create semantically equivalent code and whether the un/likely have an effect. i.e. objdump -S -d kernel/signal.o I guess you can just remove the likely as gcc is smart enough to detect the "goto ret;" as an unlikely taken branch.
Thanks, //richard
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