i...@linux-fd1f:/tmp> cat tst.f90
subroutine foo(a,c,d,n)
real, dimension(n),intent(in) :: a
real, dimension(n),intent(out) :: c,d
c = sin(a)
d = cos(a)
end subroutine foo
i...@linux-fd1f:/tmp> gfortran -O3 -S tst.f90
i...@linux-fd1f:/tmp> grep sin tst.s
call sinf
i...@linux-fd1f:/tmp> grep cos tst.s
call cosf
- The loops could be merged for better performance (no need to fetch
a twice)
- This could exploit use of the sincos function, where available
--
Summary: sincos opportunity missed
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Keywords: missed-optimization
Severity: normal
Priority: P3
Component: tree-optimization
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: tkoenig at gcc dot gnu dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45661
