re PR tree-optimization/23073 (testsuite failure, gcc.dg/tree-ssa/ifc-20040816-2.c)

        PR tree-optimization/23073
        * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
        vect_print_dump_info before fprintf.

From-SVN: r102431

gcc/ChangeLog

+2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
+
+	PR tree-optimization/23073
+	* tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call 
+	vect_print_dump_info before fprintf.
+
 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
 
 	PR tree-optimize/22348

gcc/testsuite/ChangeLog

+2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
+
+	PR tree-optimization/23073
+	* gcc.dg/vect/nodump-pr23073.c: New test.
+	* gcc.dg/vect/vect.exp: Allow running some tests without dump flags.
+
 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
 
 	PR tree-optimize/22348

gcc/testsuite/gcc.dg/vect/nodump-pr23073.c

+/* { dg-do compile } */
+/* { dg-require-effective-target vect_int } */
+
+extern struct {
+  int o[2];
+  int p[2];
+} d;
+
+void C()
+{
+  int i;
+
+  for( i=0; i<2; ++i )
+    {
+      d.o[i] = 0;
+      d.p[i] = 0;
+    }
+  return;
+}

gcc/testsuite/gcc.dg/vect/vect.exp

@@ -23,8 +23,7 @@ load_lib gcc-dg.exp
 set DEFAULT_VECTCFLAGS ""
 
 # These flags are used for all targets.
-lappend DEFAULT_VECTCFLAGS "-O2" "-ftree-vectorize" \
-  "-ftree-vectorizer-verbose=4" "-fdump-tree-vect-stats"
+lappend DEFAULT_VECTCFLAGS "-O2" "-ftree-vectorize"
 
 # If the target system supports vector instructions, the default action
 # for a test is 'run', otherwise it's 'compile'.  Save current default.
@@ -75,6 +74,12 @@ if [istarget "powerpc*-*-*"] {
 # Initialize `dg'.
 dg-init
 
+# Tests that should be run without generating dump info
+dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/nodump-*.\[cS\]]]  \
+	"" $DEFAULT_VECTCFLAGS
+
+lappend DEFAULT_VECTCFLAGS "-ftree-vectorizer-verbose=4" "-fdump-tree-vect-stats"
+
 # Main loop.
 dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/pr*.\[cS\]]]  \
 	"" $DEFAULT_VECTCFLAGS

gcc/tree-vect-analyze.c

@@ -1056,13 +1056,16 @@ vect_analyze_data_refs_alignment (loop_vec_info loop_vinfo)
       supportable_dr_alignment = vect_supportable_dr_alignment (dr);
       if (!supportable_dr_alignment)
 	{
-            if (DR_IS_READ (dr))
-              fprintf (vect_dump,
-                       "not vectorized: unsupported unaligned load.");
-            else
-              fprintf (vect_dump,
-                       "not vectorized: unsupported unaligned store.");
- 	    return false;
+	  if (vect_print_dump_info (REPORT_UNVECTORIZED_LOOPS))
+	    {
+	      if (DR_IS_READ (dr))
+		fprintf (vect_dump,
+			 "not vectorized: unsupported unaligned load.");
+	      else
+		fprintf (vect_dump,
+			 "not vectorized: unsupported unaligned store.");
+	    }
+	  return false;
 	}
       if (supportable_dr_alignment != dr_aligned 
 	  && (vect_print_dump_info (REPORT_ALIGNMENT)))