gcc-4_9-branch/gcc/testsuite/gfortran.dg/vect/vect-2.f90

   1 ! { dg-do compile }
   2 ! { dg-require-effective-target vect_float }
   3
   4 SUBROUTINE FOO(A, B, C)
   5 DIMENSION A(1000000), B(1000000), C(1000000)
   6 READ*, X, Y
   7 A = LOG(X); B = LOG(Y); C = A + B
   8 PRINT*, C(500000)
   9 END
  10
  11 ! First loop (A=LOG(X)) is vectorized using peeling to align the store.
  12 ! Same for the second loop (B=LOG(Y)).
  13 ! Third loop (C = A + B) is vectorized using versioning (for targets that don't
  14 ! support unaligned loads) or using peeling to align the store (on targets that
  15 ! support unaligned loads).
  16
  17 ! { dg-final { scan-tree-dump-times "vectorized 3 loops" 1 "vect" } }
  18 ! { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 3 "vect" { xfail { { vect_no_align && { ! vect_hw_misalign } } || { ! vector_alignment_reachable } } } } }
  19 ! { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 2 "vect" { target { { vect_no_align && { ! vect_hw_misalign } } && { ! vector_alignment_reachable } } } } }
  20 ! { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 2 "vect" { xfail { vect_no_align && { ! vect_hw_misalign } } } } }
  21 ! { dg-final { scan-tree-dump-times "Alignment of access forced using versioning." 3 "vect" {target { { vect_no_align && { ! vect_hw_misalign } } || { { ! vector_alignment_reachable  } && { ! vect_hw_misalign } } } } } }
  22 ! { dg-final { cleanup-tree-dump "vect" } }