[Bug middle-end/53590] compiler fails to generate SIMD instruction for FP division

[georggcc at googlemail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53590

--- Comment #8 from Georg <georggcc at googlemail dot com> 2012-06-13 17:11:58 UTC ---
(In reply to comment #7)

> Yes, it's a fallout of -fnon-call-exceptions that stems from the Java
> semantics.  GNAT GPL doesn't care about Java so it implements more aggressive
> dead code elimination passes.  We could add an internal flag enabling this
> behavior.

FWIW, being able to toggle desirable effects of being more aggressive
should be most welcome in scientific computing where the competition
(or co-operation!) runs Fortran programs on scores of Intel (compatible)
processors.