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From: Ondrej Kubanek <kubaneko@gcc.gnu.org> To: gcc-cvs@gcc.gnu.org Subject: [gcc(refs/users/kubaneko/heads/histogram)] redo stuff Date: Tue, 22 Nov 2022 20:43:24 +0000 (GMT) [thread overview] Message-ID: <20221122204324.5F28E3858C1F@sourceware.org> (raw) https://gcc.gnu.org/g:41350905e16e7b08c50977e1751c4d157a30d72b commit 41350905e16e7b08c50977e1751c4d157a30d72b Author: kubaneko <kubanek0ondrej@gmail.com> 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)
next reply other threads:[~2022-11-22 20:43 UTC|newest] Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-11-22 20:43 Ondrej Kubanek [this message] 2023-02-16 16:28 Ondrej Kubanek 2023-02-23 23:22 Ondrej Kubanek
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