[Bug rtl-optimization/78241] [7 Regression] wrong code with -funroll-loops

[pthaugen at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78241

--- Comment #5 from Pat Haugen <pthaugen at gcc dot gnu.org> ---
Author: pthaugen
Date: Fri Feb  3 14:20:30 2017
New Revision: 245152

URL: https://gcc.gnu.org/viewcvs?rev=245152&root=gcc&view=rev
Log:
        PR rtl-optimization/78241
        * loop-unroll.c (unroll_loop_runtime_iterations): Don't adjust 'niter',
but
        emit initial peel copy if niter expr is not reliable.


Modified:
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.target/powerpc/pr70669.c