re PR tree-optimization/55995 (vect increase_alignment notes missing from dump file)

2013-01-18  Sharad Singhai  <singhai@google.com>

	PR tree-optimization/55995
	* dumpfile.c (dump_loc): Print location only if available.
	* tree-vectorizer.c (increase_alignment): Intialize vect_location.

testsuite/ChangeLog
	PR tree-optimization/55995
	* gcc.dg/vect/vect.exp: Use "details" flags for dump info.

From-SVN: r195303

gcc/ChangeLog

+2013-01-18  Sharad Singhai  <singhai@google.com>
+
+	PR tree-optimization/55995
+	* dumpfile.c (dump_loc): Print location only if available.
+	* tree-vectorizer.c (increase_alignment): Intialize vect_location.
+
 2013-01-18  Vladimir Makarov  <vmakarov@redhat.com>
 
 	PR target/55433

gcc/dumpfile.c

@@ -260,14 +260,13 @@ dump_loc (int dump_kind, FILE *dfile, source_location loc)
   /* Currently vectorization passes print location information.  */
   if (dump_kind)
     {
-      if (loc == UNKNOWN_LOCATION)
+      if (loc != UNKNOWN_LOCATION)
+        fprintf (dfile, "\n%s:%d: note: ", LOCATION_FILE (loc),
+                 LOCATION_LINE (loc));
+      else if (current_function_decl)
         fprintf (dfile, "\n%s:%d: note: ",
                  DECL_SOURCE_FILE (current_function_decl),
                  DECL_SOURCE_LINE (current_function_decl));
-     else
-        fprintf (dfile, "\n%s:%d: note: ",
-                 LOCATION_FILE (loc),
-                 LOCATION_LINE (loc));
     }
 }
 

gcc/testsuite/ChangeLog

+2013-01-18  Sharad Singhai  <singhai@google.com>
+
+	PR tree-optimization/55995
+	* gcc.dg/vect/vect.exp: Use "details" flags for dump info.
+
 2013-01-18  Vladimir Makarov  <vmakarov@redhat.com>
 
 	PR target/55433

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

@@ -156,7 +156,8 @@ dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/section-anchors-*.\[cS\]]]
 
 # alignment-sensitive -fsection-anchors tests
 set DEFAULT_VECTCFLAGS $SAVED_DEFAULT_VECTCFLAGS
-lappend DEFAULT_VECTCFLAGS "-fsection-anchors" "-fdump-ipa-increase_alignment"
+lappend DEFAULT_VECTCFLAGS "-fsection-anchors" \
+	"-fdump-ipa-increase_alignment-details"
 dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/aligned-section-anchors-*.\[cS\]]]  \
 	"" $DEFAULT_VECTCFLAGS
 

gcc/tree-vectorizer.c

@@ -225,6 +225,8 @@ increase_alignment (void)
 {
   struct varpool_node *vnode;
 
+  vect_location = UNKNOWN_LOC;
+
   /* Increase the alignment of all global arrays for vectorization.  */
   FOR_EACH_DEFINED_VARIABLE (vnode)
     {