http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52865
Bug #: 52865
Summary: GCC can't vectorize fortran loop but able to vectorize
similar c-loop
Classification: Unclassified
Product: gcc
Version: 4.8.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: fortran
AssignedTo: [email protected]
ReportedBy: [email protected]
Target: x86-64
Created attachment 27087
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=27087
Fortran test
That looks strange but the compiler behaves differently on O3 for attached test
cases.
Fortran can't vectorize loop which looks quite simple
Is it expected behavior?