tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.

        * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
        (vect_analyze_data_refs_alignment): Add dump prints.

        * gcc.dg/vect/pr18400.c: Add checks for alignment prints.
        * gcc.dg/vect/pr18425.c: Add checks for alignment prints.
        * gcc.dg/vect/pr18536.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-1.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-2.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-3.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-4.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-5.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-6.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-7.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-13.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-17.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-18.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-19.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-20.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-21.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-22.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-23.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-24.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-25.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-26.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-27.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-28.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-29.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-31.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-32.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-33.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-34.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-35.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-36.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-37.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-40.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-41.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-42.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-43.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-44.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-46.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-47.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-48.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-50.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-52.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-53.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-56.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-58.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-60.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-62.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-64.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-65.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-66.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-67.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-68.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-69.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-72.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-73.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-74.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-75.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-76.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-77.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-78.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-80.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-86.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-87.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-88.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-89.c: Add checks for alignment prints.
        * gcc.dg/vect/vect-all.c: Add checks for alignment prints.

        * gcc.dg/vect/vect-1.c: Fix spelling.
        * gcc.dg/vect/vect-10.c: Fix spelling.
        * gcc.dg/vect/vect-11.c: Fix spelling.
        * gcc.dg/vect/vect-12.c: Fix spelling.
        * gcc.dg/vect/vect-14.c: Fix spelling.
        * gcc.dg/vect/vect-15.c: Fix spelling.
        * gcc.dg/vect/vect-16.c: Fix spelling.
        * gcc.dg/vect/vect-46.c: Remove obsolete comment.
        * gcc.dg/vect/vect-64.c: Fix comments.
        * gcc.dg/vect/vect-none.c: Remove vectorizable loop.

Co-Authored-By: Ira Rosen <irar@il.ibm.com>

From-SVN: r93114

1 files changed, 16 insertions, 2 deletions

diff --git a/gcc/tree-vectorizer.c b/gcc/tree-vectorizer.c
index 62767ed..b890801 100644
--- a/gcc/tree-vectorizer.c
+++ b/gcc/tree-vectorizer.c
@@ -4415,7 +4415,11 @@ vect_enhance_data_refs_alignment (loop_vec_info loop_vinfo)
     {
       struct data_reference *dr = VARRAY_GENERIC_PTR (loop_write_datarefs, i);
       if (dr == LOOP_VINFO_UNALIGNED_DR (loop_vinfo))
-	DR_MISALIGNMENT (dr) = 0;
+	{
+	  DR_MISALIGNMENT (dr) = 0;
+	  if (vect_debug_details (loop) || vect_debug_stats (loop))
+	    fprintf (dump_file, "Alignment of access forced using peeling.");
+	}
       else
 	DR_MISALIGNMENT (dr) = -1;
     }
@@ -4423,7 +4427,11 @@ vect_enhance_data_refs_alignment (loop_vec_info loop_vinfo)
     {
       struct data_reference *dr = VARRAY_GENERIC_PTR (loop_read_datarefs, i);
       if (dr == LOOP_VINFO_UNALIGNED_DR (loop_vinfo))
-	DR_MISALIGNMENT (dr) = 0;
+	{
+	  DR_MISALIGNMENT (dr) = 0;
+	  if (vect_debug_details (loop) || vect_debug_stats (loop))
+	    fprintf (dump_file, "Alignment of access forced using peeling.");
+	}
       else
 	DR_MISALIGNMENT (dr) = -1;
     }
@@ -4481,6 +4489,9 @@ vect_analyze_data_refs_alignment (loop_vec_info loop_vinfo)
 	    fprintf (dump_file, "not vectorized: unsupported unaligned load.");
 	  return false;
 	}
+      if (supportable_dr_alignment != dr_aligned 
+	  && (vect_debug_details (loop) || vect_debug_stats (loop)))
+	fprintf (dump_file, "Vectorizing an unaligned access.");
     }
   for (i = 0; i < VARRAY_ACTIVE_SIZE (loop_write_datarefs); i++)
     {
@@ -4492,6 +4503,9 @@ vect_analyze_data_refs_alignment (loop_vec_info loop_vinfo)
 	    fprintf (dump_file, "not vectorized: unsupported unaligned store.");
 	  return false;
 	}
+      if (supportable_dr_alignment != dr_aligned 
+	  && (vect_debug_details (loop) || vect_debug_stats (loop)))
+	fprintf (dump_file, "Vectorizing an unaligned access.");
     }
 
   return true;