http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56826
Bug #: 56826
Summary: Run-fail after r197189.
Classification: Unclassified
Product: gcc
Version: 4.9.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: ysrum...@gmail.com
We got RTF for 435.gromacs from spec2006 suite. I attached simple reproducer
which if failed if it is compiled with -O3 -funroll-loops options but passed at
-O2:
gcc -O3 -funroll-loops -ffast-math -march=corei7 t.c t_main.c -o tt2
./tt2
Test failed
gcc -O2 -ffast-math -march=corei7 t.c t_main.c -o tt1
./tt1
Test passed
