[Bug target/77468] [7 Regression] C-ray regression on Aarch64
rguenth at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Tue Jan 24 12:35:00 GMT 2017
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77468
--- Comment #12 from Richard Biener <rguenth at gcc dot gnu.org> ---
(In reply to Richard Biener from comment #11)
> The recent 2nd bump on x86_64 is from
>
> ------------------------------------------------------------------------
> r243995 | hubicka | 2017-01-01 16:40:29 +0100 (Sun, 01 Jan 2017) | 7 lines
>
>
> PR middle-end/77484
> * predict.def (PRED_CALL): Update hitrate.
> (PRED_INDIR_CALL, PRED_POLYMORPHIC_CALL): New predictors.
> * predict.c (tree_estimate_probability_bb): Split CALL predictor
> into direct/indirect/polymorphic variants.
>
> build uses -O3 -ffast-math -funroll-loops -march=native (core-avx2 in this
> case)
And it was good again for a short time, improving between r244241:244289
and regressing again r244382:244454. The former adjusts PRED_CALL the latter
has the partial DSE adjustments.
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