* ifcvt.c (cond_exec_process_insns): Don't ever ignore clobbers.

From-SVN: r34316

* ifcvt.c (cond_exec_process_insns): Don't ever ignore clobbers.
From-SVN: r34316
e0fa93b3 · Richard Henderson · Richard Henderson · abb9a4c5 · e0fa93b3 · e0fa93b3
Commit e0fa93b3 authored May 31, 2000 by Richard Henderson Committed by Richard Henderson May 31, 2000
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gcc/ChangeLog
+4 -0

gcc/ifcvt.c
+2 -4

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--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
 2000-05-31  Richard Henderson  <rth@cygnus.com>

+	* ifcvt.c (cond_exec_process_insns): Don't ever ignore clobbers.
+
+2000-05-31  Richard Henderson  <rth@cygnus.com>
+
 	* flow.c (merge_blocks_nomove): Remove a barrier not following
 	a jump as well.


--- a/gcc/ifcvt.c
+++ b/gcc/ifcvt.c
@@ -216,10 +216,8 @@ cond_exec_process_insns (start, end, test, prob_val, mod_ok)
      if (GET_CODE (insn) != INSN && GET_CODE (insn) != CALL_INSN)
 	abort ();

-      /* Remove USE and CLOBBER insns that get in the way.  */
-      if (reload_completed
-	  && (GET_CODE (PATTERN (insn)) == USE
-	      || GET_CODE (PATTERN (insn)) == CLOBBER))
+      /* Remove USE insns that get in the way.  */
+      if (reload_completed && GET_CODE (PATTERN (insn)) == USE)
 	{
 	  /* ??? Ug.  Actually unlinking the thing is problematic, 
 	     given what we'd have to coordinate with our callers.  */