flow.c (delete_dead_jumptables): Delete jumptable if the only reference is from the literal pool.

* flow.c (delete_dead_jumptables): Delete jumptable if the only reference is from the literal pool. From-SVN: r45783

flow.c (delete_dead_jumptables): Delete jumptable if the only reference is from the literal pool.
* flow.c (delete_dead_jumptables): Delete jumptable if the only reference is from the literal pool. From-SVN: r45783
967bd823 · Ulrich Weigand · Ulrich Weigand · dea2f2db · 967bd823 · 967bd823
Commit 967bd823 authored Sep 24, 2001 by Ulrich Weigand Committed by Ulrich Weigand Sep 24, 2001
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gcc/ChangeLog
+5 -0

gcc/flow.c
+1 -1

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--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
+2001-09-24  Ulrich Weigand  <uweigand@de.ibm.com>:
+
+	* flow.c (delete_dead_jumptables): Delete jumptable if the only
+	reference is from the literal pool.
+
 2001-09-24  Janis Johnson  <janis187@us.ibm.com>

 	* doc/install.texi (Final install): Request additional information

--- a/gcc/flow.c
+++ b/gcc/flow.c
@@ -795,7 +795,7 @@ delete_dead_jumptables ()
    {
      next = NEXT_INSN (insn);
      if (GET_CODE (insn) == CODE_LABEL
-	  && LABEL_NUSES (insn) == 0
+	  && LABEL_NUSES (insn) == LABEL_PRESERVE_P (insn)
 	  && GET_CODE (next) == JUMP_INSN
 	  && (GET_CODE (PATTERN (next)) == ADDR_VEC
 	      || GET_CODE (PATTERN (next)) == ADDR_DIFF_VEC))