On Fri, 26 Oct 2018 at 10:34, Prathamesh Kulkarni <prathamesh.kulka...@linaro.org> wrote: > > Hi, > This is a rebased version of patch that adds a pattern to neon.md for > implementing division with multiplication by reciprocal using > vrecpe/vrecps with -funsafe-math-optimizations excluding -Os. > The newly added test-cases are not vectorized on armeb target with > -O2. I posted the analysis for that here: > https://gcc.gnu.org/ml/gcc-patches/2016-05/msg01765.html > > Briefly, the difference between little and big-endian vectorizer is in > arm_builtin_support_vector_misalignment() which calls > default_builtin_support_vector_misalignment() for big-endian case, and > that returns false because > movmisalign_optab does not exist for V2SF mode. This isn't observed > with -O3 because loop peeling for alignment gets enabled. > > It seems that the test cases in patch appear unsupported on armeb, > after r221677 thus this patch requires no changes to > target-supports.exp to adjust for armeb (unlike last time which > stalled the patch). > > Bootstrap+tested on arm-linux-gnueabihf. > Cross-tested on arm*-*-* variants. > OK for trunk ? ping: https://gcc.gnu.org/ml/gcc-patches/2018-10/msg01645.html
Thanks, Prathamesh > > Thanks, > Prathamesh