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Re: __builtin_expect vs. PGO

From: Scott Meyers <NeverRead at aristeia dot com>
To: gcc-help at gcc dot gnu dot org
Date: Wed, 21 Dec 2011 19:22:53 -0800
Subject: Re: __builtin_expect vs. PGO
References: <jcrthc$3b8$1@dough.gmane.org> <mcrfwgd50qd.fsf@dhcp-172-18-216-180.mtv.corp.google.com> <jct785$4jb$1@dough.gmane.org> <mcrehvxzadm.fsf@dhcp-172-18-216-180.mtv.corp.google.com>

On 12/21/2011 5:02 PM, Ian Lance Taylor wrote:

Yes, by the time it matters in the compiler, probabilities are
probabilities wherever they come from.

Makes sense, thanks.

Scott

References:
- __builtin_expect vs. PGO
  - From: Scott Meyers
- Re: __builtin_expect vs. PGO
  - From: Ian Lance Taylor
- Re: __builtin_expect vs. PGO
  - From: Scott Meyers
- Re: __builtin_expect vs. PGO
  - From: Ian Lance Taylor

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