revert: re PR tree-optimization/32921 (Revision 126326 causes 12% slowdown)

2007-10-19  Richard Guenther  <rguenther@suse.de>

        Revert
        2007-10-19  Richard Guenther  <rguenther@suse.de>

	PR middle-end/32921
	* tree.c (build_array_type): Do not re-layout unbound array
	types.

	* gfortran.dg/pr32921.f: New testcase.

From-SVN: r129487

gcc/ChangeLog

 2007-10-19  Richard Guenther  <rguenther@suse.de>
 
+	Revert
+	2007-10-19  Richard Guenther  <rguenther@suse.de>
+
+	PR middle-end/32921
+	* tree.c (build_array_type): Do not re-layout unbound array
+	types.
+
+2007-10-19  Richard Guenther  <rguenther@suse.de>
+
 	PR middle-end/32921
 	* tree.c (build_array_type): Do not re-layout unbound array
 	types.

gcc/testsuite/ChangeLog

 2007-10-19  Richard Guenther  <rguenther@suse.de>
 
+	Revert
+	2007-10-19  Richard Guenther  <rguenther@suse.de>
+
+	PR middle-end/32921
+	* gfortran.dg/pr32921.f: New testcase.
+
+2007-10-19  Richard Guenther  <rguenther@suse.de>
+
 	* gcc.c-torture/execute/20071018-1.c: New testcase.
 
 2007-10-19  Richard Guenther  <rguenther@suse.de>

gcc/testsuite/gfortran.dg/pr32921.f

-! { dg-do compile }
-! { dg-options "-O2 -fdump-tree-lim" }
-! gfortran -c -m32 -O2 -S junk.f
-!
-      MODULE LES3D_DATA
-
-      IMPLICIT REAL*8 (A-H,O-Z)
-
-      PARAMETER ( NSPECI = 1, ND = 7 + NSPECI )
-
-      INTEGER IMAX
-
-      DOUBLE PRECISION,ALLOCATABLE,DIMENSION(:,:,:) ::
-     >         UAV,QAV
-
-
-      END MODULE LES3D_DATA
-!---------------------------------------------------------------------
-!------------------------------------------------------------------------
-      SUBROUTINE FLUXI()
-
-      USE LES3D_DATA
-      IMPLICIT REAL*8(A-H,O-Z)
-
-      ALLOCATABLE QS(:)
-
-      ALLOCATE( QS(0:IMAX))
-      QS=0D0
-
-      RETURN
-      END
-!------------------------------------------------------------------------
-!------------------------------------------------------------------------
-      SUBROUTINE EXTRAPI()
-
-      USE LES3D_DATA
-      IMPLICIT REAL*8(A-H,O-Z)
-
-      I1 = 0
-      I2 = IMAX - 1
-
-            DO I = I1, I2
-               UAV(I,1,2) = QAV(I,1,2)
-            END DO
-
-      RETURN
-      END
-! { dg-final { scan-tree-dump-times "stride" 6 "lim" } }
-! { dg-final { cleanup-tree-dump "lim" } }

gcc/tree.c

@@ -5665,7 +5665,7 @@ build_array_type (tree elt_type, tree index_type)
   hashcode = iterative_hash_object (TYPE_HASH (index_type), hashcode);
   t = type_hash_canon (hashcode, t);
 
-  if (!COMPLETE_OR_UNBOUND_ARRAY_TYPE_P (t))
+  if (!COMPLETE_TYPE_P (t))
     layout_type (t);
 
   if (TYPE_CANONICAL (t) == t)