[Bug tree-optimization/46085] New: [4..6 Regression] gcc.dg/vect/fast-math-vect-reduc-[57].c failed with -mavx -ffast-math -O3

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46085

           Summary: [4..6 Regression]
                    gcc.dg/vect/fast-math-vect-reduc-[57].c failed with
                    -mavx -ffast-math -O3
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
        AssignedTo: unassig...@gcc.gnu.org
        ReportedBy: hjl.to...@gmail.com


[...@gnu-18 gcc]$ ./xgcc -B./
/export/gnu/import/git/gcc-avx/gcc/testsuite/gcc.dg/vect/fast-math-vect-reduc-5.c
-mavx  -ffast-math  -o3[...@gnu-18 gcc]$ ./a.out 
Aborted
[...@gnu-18 gcc]$ ./xgcc -B./
/export/gnu/import/git/gcc-avx/gcc/testsuite/gcc.dg/vect/fast-math-vect-reduc-7.c
-mavx  -ffast-math  -O3
[...@gnu-18 gcc]$ ./a.out 
Aborted
[...@gnu-18 gcc]$ 

They failed due to 256bit vectorizer.