1-- { dg-do compile { target i?86-*-* x86_64-*-* } } 2-- { dg-options "-O3 -msse2 -fdump-tree-vect-details" } 3 4package body Vect18 is 5 6 procedure Comp (X, Y : Sarray; R : in out Sarray) is 7 Tmp : Long_Float := R(4); 8 begin 9 for I in 1 .. 3 loop 10 R(I+1) := R(I) + X(I) + Y(I); 11 end loop; 12 R(1) := Tmp + X(4) + Y(4); 13 end; 14 15end Vect18; 16 17-- { dg-final { scan-tree-dump "bad data dependence" "vect" } } 18