[Bug tree-optimization/72866] [7 Regression] Compile time hog w/ -O3 (-Ofast)

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=72866

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Tue Aug 30 06:54:02 2016
New Revision: 239856

URL: https://gcc.gnu.org/viewcvs?rev=239856&root=gcc&view=rev
Log:
        PR tree-optimization/72866
        * tree-vect-patterns.c (search_type_for_mask): Turn into
        a small wrapper, move all code to ...
        (search_type_for_mask_1): ... this new function.  Add caching
        and adjust recursive calls.

        * gcc.dg/vect/pr72866.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/vect/pr72866.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vect-patterns.c