[Bug tree-optimization/51890] vectorizer does not recognize intrinsic functions like sqrt

[Heiko.Klein at gmx dot net]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51890

--- Comment #2 from Heiko Klein <Heiko.Klein at gmx dot net> 2012-01-18 12:26:18 UTC ---
Thanks,

adding -fno-math-errno vectorizes the code and gives exactly the speedup as
with icc.

Heiko