From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 7880) id 5F28E3858C1F; Tue, 22 Nov 2022 20:43:24 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 5F28E3858C1F DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1669149804; bh=eFSHbdwfLWtRCvEQbxc47sDrwESMiiPuWOOH3J/Vu9A=; h=From:To:Subject:Date:From; b=Nc/lYXxrP8tmkDwXAHHak8hyjB0PGrkGBqsjXr7338v7clCZ1K9Od4EQ2aAaD4dme m+RrOOUhaOp+OvJiE5v6pQrsNldASdhE+p33Ig38gq4QeAY2lPDFEQt3U+k2a3lVHA RwvdBCFl/lSjJsSIhebVLHqfY0lsA51UjjUrsAYo= 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: 06ae0bf3d1331e62d72a7e87722a7eece55a2e4e X-Git-Newrev: 41350905e16e7b08c50977e1751c4d157a30d72b Message-Id: <20221122204324.5F28E3858C1F@sourceware.org> Date: Tue, 22 Nov 2022 20:43:24 +0000 (GMT) List-Id: https://gcc.gnu.org/g:41350905e16e7b08c50977e1751c4d157a30d72b commit 41350905e16e7b08c50977e1751c4d157a30d72b 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 d014ef817eb..77c28179754 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 2454600d138..c36efe28dc2 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)