diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 83581ac41bf..c39e0d4d55a 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2019-09-08  Segher Boessenkool  <segher@kernel.crashing.org>
+
+	* genemit.c (gen_split): Print the filename and line number where the
+	splitter (or peephole2) was defined, to the dump file.
+
 2019-09-07  Jakub Jelinek  <jakub@redhat.com>
 
 	PR tree-optimization/91665
diff --git a/gcc/genemit.c b/gcc/genemit.c
index 3ff819720ec..4d7011c3aff 100644
--- a/gcc/genemit.c
+++ b/gcc/genemit.c
@@ -609,9 +609,14 @@ gen_split (md_rtx_info *info)
   if (GET_CODE (split) == DEFINE_PEEPHOLE2)
     output_peephole2_scratches (split);
 
+  const char *fn = info->loc.filename;
+  for (const char *p = fn; *p; p++)
+    if (*p == '/')
+      fn = p + 1;
+
   printf ("  if (dump_file)\n");
-  printf ("    fprintf (dump_file, \"Splitting with gen_%s_%d\\n\");\n",
-	  name, info->index);
+  printf ("    fprintf (dump_file, \"Splitting with gen_%s_%d (%s:%d)\\n\");\n",
+	  name, info->index, fn, info->loc.lineno);
 
   printf ("  start_sequence ();\n");