blob: ecd50dd5586eb31010c0b4204ee654b53474201f [file] [log] [blame]
! { dg-do run }
! { dg-require-effective-target vect_double }
! { dg-require-effective-target vect_intdouble_cvt }
! { dg-additional-options "-fno-inline -ffast-math" }
subroutine foo(a,x,y,n)
implicit none
integer n,i
real*8 y(n),x(n),a
do i=1,n
a=a+x(i)*y(i)+x(i)
enddo
return
end
program test
real*8 x(1024),y(1024),a
do i=1,1024
x(i) = i
y(i) = i+1
enddo
call foo(a,x,y,1024)
if (a.ne.359488000.0) STOP 1
end
! If there's no longer a reduction chain detected this doesn't test what
! it was supposed to test, vectorizing a reduction chain w/o SLP.
! { dg-final { scan-tree-dump "reduction chain" "vect" } }
! We should vectorize the reduction in foo and the induction in test.
! { dg-final { scan-tree-dump-times "vectorized 1 loops" 2 "vect" } }