* cfg.c (dump_flow_info): Skip register dump if reg_n_info null.

From-SVN: r71485

* cfg.c (dump_flow_info): Skip register dump if reg_n_info null.
From-SVN: r71485
7d8405cf · Richard Henderson · Richard Henderson · dc5f3d7c · 7d8405cf · 7d8405cf
Commit 7d8405cf authored Sep 17, 2003 by Richard Henderson Committed by Richard Henderson Sep 17, 2003
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gcc/ChangeLog
+4 -0

gcc/cfg.c
+1 -0

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--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
+2003-09-17  Richard Henderson  <rth@redhat.com>
+	* cfg.c (dump_flow_info): Skip register dump if reg_n_info null.
 2003-09-17  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
 	* configure.in (gcc_cv_ld_hidden): Don't test gnu_ld_flag.

--- a/gcc/cfg.c
+++ b/gcc/cfg.c
@@ -491,6 +491,7 @@ dump_flow_info (FILE *file)
  static const char * const reg_class_names[] = REG_CLASS_NAMES;
  fprintf (file, "%d registers.\n", max_regno);
+  if (reg_n_info)
    for (i = FIRST_PSEUDO_REGISTER; i < max_regno; i++)
      if (REG_N_REFS (i))
 	{