r202382 - in /trunk/gcc: ChangeLog ipa-profile....

[hubicka@gcc.gnu.org]

Author: hubicka
Date: Mon Sep  9 07:37:53 2013
New Revision: 202382

URL: http://gcc.gnu.org/viewcvs?rev=202382&root=gcc&view=rev
Log:

	* ipa-profile.c: Add toplevel comment.
	(ipa_propagate_frequency_1): Be more conservative when profile is read.
	(contains_hot_call_p): New function.
	(ipa_propagate_frequency): Set frequencies based on counts when
	profile is read.
	* predict.c (compute_function_frequency): Use PROFILE_READ gueard for
	profile; do not tamper with profile after inlining if it is read.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/ipa-profile.c
    trunk/gcc/predict.c