loop.c (check_dbra_loop): Use single_set to compute jump_label.

* loop.c (check_dbra_loop): Use single_set to compute jump_label. From-SVN: r44517

loop.c (check_dbra_loop): Use single_set to compute jump_label.
* loop.c (check_dbra_loop): Use single_set to compute jump_label. From-SVN: r44517
ae16bf15 · Geoffrey Keating · Geoffrey Keating · 2bfcf297 · ae16bf15 · ae16bf15
Commit ae16bf15 authored Jul 31, 2001 by Geoffrey Keating Committed by Geoffrey Keating Jul 31, 2001
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gcc/ChangeLog
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gcc/loop.c
+4 -2

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--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
+2001-07-30  Geoffrey Keating  <geoffk@redhat.com>
+
+	* loop.c (check_dbra_loop): Use single_set to compute
+	jump_label.
+
 2001-07-31  Daniel Berlin  <dan@cgsoftware.com>

 	PowerPC reorg and support for powerpc64-*-linux*.

--- a/gcc/loop.c
+++ b/gcc/loop.c
@@ -7559,9 +7559,11 @@ check_dbra_loop (loop, insn_count)

 	      /* Save some info needed to produce the new insns.  */
 	      reg = bl->biv->dest_reg;
-	      jump_label = XEXP (SET_SRC (PATTERN (PREV_INSN (loop_end))), 1);
+	      jump_label = XEXP (SET_SRC (single_set (PREV_INSN (loop_end))), 
+				 1);
 	      if (jump_label == pc_rtx)
-		jump_label = XEXP (SET_SRC (PATTERN (PREV_INSN (loop_end))), 2);
+		jump_label = XEXP (SET_SRC (single_set (PREV_INSN (loop_end))),
+				   2);
 	      new_add_val = GEN_INT (-INTVAL (bl->biv->add_val));

 	      /* Set start_value; if this is not a CONST_INT, we need