From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugs-return-436148-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org>
Received: (qmail 16434 invoked by alias); 28 Nov 2013 14:01:36 -0000
Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm
Precedence: bulk
List-Id: <gcc-bugs.gcc.gnu.org>
List-Archive: <http://gcc.gnu.org/ml/gcc-bugs/>
List-Post: <mailto:gcc-bugs@gcc.gnu.org>
List-Help: <mailto:gcc-bugs-help@gcc.gnu.org>
Sender: gcc-bugs-owner@gcc.gnu.org
Received: (qmail 16408 invoked by uid 48); 28 Nov 2013 14:01:33 -0000
From: "ysrumyan at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug ipa/58721] [4.9 Regression] The subroutine perdida is no longer inlined in fatigue.f90
Date: Thu, 28 Nov 2013 14:01:00 -0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: ipa
X-Bugzilla-Version: 4.9.0
X-Bugzilla-Keywords: missed-optimization
X-Bugzilla-Severity: normal
X-Bugzilla-Who: ysrumyan at gmail dot com
X-Bugzilla-Status: UNCONFIRMED
X-Bugzilla-Priority: P1
X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org
X-Bugzilla-Target-Milestone: 4.9.0
X-Bugzilla-Flags:
X-Bugzilla-Changed-Fields: cc
Message-ID: <bug-58721-4-VAv9wdtawR@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-58721-4@http.gcc.gnu.org/bugzilla/>
References: <bug-58721-4@http.gcc.gnu.org/bugzilla/>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: 7bit
X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/
Auto-Submitted: auto-generated
MIME-Version: 1.0
X-SW-Source: 2013-11/txt/msg02925.txt.bz2

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58721

Yuri Rumyantsev <ysrumyan at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |ysrumyan at gmail dot com

--- Comment #1 from Yuri Rumyantsev <ysrumyan at gmail dot com> ---
We found the cause of performance degradation - bug was introduced by r202567,
namely in callback function "check_callers":

was

if (!has_hot_call && cgraph_maybe_hot_edge_p (e))

must be

if (!(*(bool*)has_hot_call) && cgraph_maybe_hot_edge_p (e))

After apllying this fix routine is inlined.