[Bug fortran/31139] sum(w_re(1:nn,1)*fi(i(1:nn, ii))) up to 3.5x slower than C version

[burnus at gcc dot gnu dot org]

------- Comment #1 from burnus at gcc dot gnu dot org  2007-03-11 22:45 -------
Contains the test case. The hand-made SSE version (USE_VECTORS) crashes here
for -m32, but as it is C vs. Fortran, one can completely ignore that test case
(for -m64 USE_VECTORS is about as fast as the other C versions anyhow).


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31139