[Bug rtl-optimization/81443] [7/8 regression] build/genrecog.o: virtual memory exhausted: Cannot allocate memory

[ebotcazou at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81443

--- Comment #18 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
Author: ebotcazou
Date: Tue Jan 23 20:54:32 2018
New Revision: 256998

URL: https://gcc.gnu.org/viewcvs?rev=256998&root=gcc&view=rev
Log:
        PR rtl-optimization/81443
        * rtlanal.c (num_sign_bit_copies1) <SUBREG>: Do not propagate results
        from inner REGs to paradoxical SUBREGs.

Modified:
    branches/gcc-7-branch/gcc/ChangeLog
    branches/gcc-7-branch/gcc/rtlanal.c