From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 7880) id 9D350385840F; Thu, 23 Feb 2023 23:22:17 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 9D350385840F DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1677194537; bh=GUE948b6uvflqL9ctpMGdRmcv9BDprkBwQ28ilTaHaU=; h=From:To:Subject:Date:From; b=tohpz0m5ism9bgvitvSu0wpNfd95cRLGh7B6Udjl9MOsMdZsvsLi/RNrB8NJg1l5b PS3z704eHK5D7ZJzyAEVgJo/qhORnhwSPWoaP6wDdYh7U2ienTAsPDaGMPSdgbSk5J hVWLRP+fB3APtmGxgzRHtqCmbTfafsJiapevORXo= Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: Ondrej Kubanek To: gcc-cvs@gcc.gnu.org Subject: [gcc(refs/users/kubaneko/heads/histogram)] redo stuff X-Act-Checkin: gcc X-Git-Author: kubaneko X-Git-Refname: refs/users/kubaneko/heads/histogram X-Git-Oldrev: bb8a802b8162eef6934e0961acddc24c70b8ed15 X-Git-Newrev: 223227bbe5c3eb087e782b758e9e188c8b052834 Message-Id: <20230223232217.9D350385840F@sourceware.org> Date: Thu, 23 Feb 2023 23:22:17 +0000 (GMT) List-Id: https://gcc.gnu.org/g:223227bbe5c3eb087e782b758e9e188c8b052834 commit 223227bbe5c3eb087e782b758e9e188c8b052834 Author: kubaneko Date: Tue Nov 22 16:32:49 2022 +0000 redo stuff Diff: --- gcc/cfgloop.cc | 4 ++-- gcc/tree-ssa-loop-ivcanon.cc | 17 +++++++++++++++++ 2 files changed, 19 insertions(+), 2 deletions(-) diff --git a/gcc/cfgloop.cc b/gcc/cfgloop.cc index 4293f7d3910..72673b1fbab 100644 --- a/gcc/cfgloop.cc +++ b/gcc/cfgloop.cc @@ -1773,8 +1773,8 @@ loop_preheader_edge (const class loop *loop) edge e; edge_iterator ei; - // gcc_assert (loops_state_satisfies_p (LOOPS_HAVE_PREHEADERS) - // && ! loops_state_satisfies_p (LOOPS_MAY_HAVE_MULTIPLE_LATCHES)); + gcc_assert (loops_state_satisfies_p (LOOPS_HAVE_PREHEADERS) + && ! loops_state_satisfies_p (LOOPS_MAY_HAVE_MULTIPLE_LATCHES)); FOR_EACH_EDGE (e, ei, loop->header->preds) if (e->src != loop->latch) diff --git a/gcc/tree-ssa-loop-ivcanon.cc b/gcc/tree-ssa-loop-ivcanon.cc index 28686e086bf..bb95cdd491d 100644 --- a/gcc/tree-ssa-loop-ivcanon.cc +++ b/gcc/tree-ssa-loop-ivcanon.cc @@ -1035,6 +1035,23 @@ try_peel_loop (class loop *loop, /* Check if there is an estimate on the number of iterations. */ npeel = estimated_loop_iterations_int (loop); + + // linear part most common number + //bool histogram_peeling=loop->counters!=NULL; + //if (histogram_peeling){ + // gcov_type max=0; + // int most_common=-1; + // for (int i=0;i<8; i++){ + // if (loop->counters->hist[i]>=max){ + // most_common=i; + // } + // } + // if (most_common>0) + // { + // npeel=most_common+1; + // } + //} + if (npeel < 0) npeel = likely_max_loop_iterations_int (loop); if (npeel < 0)