gcse.c (delete_null_pointer_checks_1): Do not delete CC setter unless HAVE_cc0.

* gcse.c (delete_null_pointer_checks_1): Do not delete CC setter unless HAVE_cc0. From-SVN: r78484

gcse.c (delete_null_pointer_checks_1): Do not delete CC setter unless HAVE_cc0.
* gcse.c (delete_null_pointer_checks_1): Do not delete CC setter unless HAVE_cc0. From-SVN: r78484
fb643f64 · Alan Modra · Alan Modra · 90f6987a · fb643f64 · fb643f64
Commit fb643f64 authored Feb 26, 2004 by Alan Modra Committed by Alan Modra Feb 26, 2004
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gcc/ChangeLog
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gcc/gcse.c
+2 -0

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--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
+2004-02-26  Alan Modra  <amodra@bigpond.net.au>
+
+	* gcse.c (delete_null_pointer_checks_1): Do not delete CC setter
+	unless HAVE_cc0.
+
 2004-02-25  Richard Henderson  <rth@redhat.com>

 	* explow.c (force_reg): Call mark_reg_pointer as appropriate.

--- a/gcc/gcse.c
+++ b/gcc/gcse.c
@@ -6069,8 +6069,10 @@ delete_null_pointer_checks_1 (unsigned int *block_reg, sbitmap *nonnull_avin,

      something_changed = 1;
      delete_insn (last_insn);
+#ifdef HAVE_cc0
      if (compare_and_branch == 2)
 	delete_insn (earliest);
+#endif
      purge_dead_edges (bb);

      /* Don't check this block again.  (Note that BB_END is