------- Comment #2 from burnus at gcc dot gnu dot org 2007-04-13 12:51 -------
The procedure does:
<vector Y> = <vector Y> + <scalar A> * <vector X>
Source code (compiled with the default testsuite options -O2 -ftree-vectorize
-ftree-vectorizer-verbose -fdump-tree-vect-stats):
SUBROUTINE SAXPY(X, Y, A)
DIMENSION X(64), Y(64)
Y = Y + A * X
END
And the following items are checked:
! { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } }
! { dg-final { scan-tree-dump-times "Alignment of access forced using peeling"
1 "vect" } }
! { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 1 "vect"
} }
! { dg-final { scan-tree-dump-times "accesses have the same alignment." 1
"vect" } }
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31561
