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Re: mainline more jumpy than gcc-2.95.1 on x86
- To: dann at godzilla dot ICS dot UCI dot EDU, gcc at gcc dot gnu dot org
- Subject: Re: mainline more jumpy than gcc-2.95.1 on x86
- From: dewar at gnat dot com
- Date: Wed, 14 Mar 2001 08:07:30 -0500 (EST)
<<I don't know if this is a problem in more complex code, but somebody
might want to investigate (given that the common wisdom is that
branches are bad)... >>
That's not quite the right common wisdom, the deal is that mispredicted
branches are bad, but in this particular case, the branches are indeed
likely to be mispredicted.