re PR rtl-optimization/32355 (ICE in df_lr_verify_transfer_functions, at df-problems.c:1924)

2007-06-18  Kenneth Zadeck <zadeck@naturalbridge.com>

	PR middle-end/32355
	* gcse (rest_of_handle_gcse): Add call to df_finish_pass after
	cse_main.
	* df-problems.c (df_note_bb_compute): Fix dumping info.
	
2007-06-18  Kenneth Zadeck <zadeck@naturalbridge.com>

	* gcc.c-torture/compile/pr32355.c: New testcase.

From-SVN: r125812

gcc/ChangeLog

+2007-06-18  Kenneth Zadeck <zadeck@naturalbridge.com>
+
+	PR middle-end/32355
+	* gcse (rest_of_handle_gcse): Add call to df_finish_pass after
+	cse_main.
+	* df-problems.c (df_note_bb_compute): Fix dumping info.
+	
 2007-06-18  Kazu Hirata  <kazu@codesourcery.com>
 
 	* config/m68k/m68k.c (m68k_expand_epilogue): Emit a return

gcc/df-problems.c

@@ -3867,8 +3867,10 @@ df_note_bb_compute (unsigned int bb_index,
   for (def_rec = df_get_artificial_defs (bb_index); *def_rec; def_rec++)
     {
       struct df_ref *def = *def_rec;
+#ifdef REG_DEAD_DEBUGGING
       if (dump_file)
 	fprintf (dump_file, "artificial def %d\n", DF_REF_REGNO (def));
+#endif
 
       if ((DF_REF_FLAGS (def) & DF_REF_AT_TOP) == 0)
 	bitmap_clear_bit (live, DF_REF_REGNO (def));

gcc/gcse.c

@@ -6704,6 +6704,7 @@ rest_of_handle_gcse (void)
     {
       timevar_push (TV_CSE);
       tem2 = cse_main (get_insns (), max_reg_num ());
+      df_finish_pass ();
       purge_all_dead_edges ();
       delete_trivially_dead_insns (get_insns (), max_reg_num ());
       timevar_pop (TV_CSE);

gcc/testsuite/ChangeLog

+2007-06-18  Kenneth Zadeck <zadeck@naturalbridge.com>
+
+	* gcc.c-torture/compile/pr32355.c: New testcase.
+	
 2007-06-18  Uros Bizjak  <ubizjak@gmail.com>
 
 	PR tree-optimization/32383

gcc/testsuite/gcc.c-torture/compile/pr32355.c

+/* { dg-options "-O3" } */
+
+typedef struct
+{
+}
+__sigset_t;
+typedef struct
+{
+    char coredump;
+}
+EMode;
+extern EMode Mode;
+struct sigaction
+{
+  __sigset_t sa_mask;
+  int sa_flags;
+};
+doSignalsSetup (void)
+{
+  static const int signals[] = {
+    1, 2 , 3, 4, 6, 8, 11, 13, 14, 15, 10, 12, 17, 7
+  };
+  unsigned int i, sig;
+  struct sigaction sa;
+  for (i = 0; i < sizeof (signals) / sizeof (int); i++)
+    {
+      sig = signals[i];
+      if (Mode.coredump && (sig == 4 || sig == 8))
+        continue;
+      sa.sa_flags = (sig == 17);
+      sigemptyset (&sa.sa_mask);
+    }
+}