(expand_divmod): Don't set REG_NOTES unless we generated a quotient.

From-SVN: r7627

(expand_divmod): Don't set REG_NOTES unless we generated a quotient.
From-SVN: r7627
e9c11411 · Richard Kenner · 35364692 · e9c11411
Commit e9c11411 authored Jul 01, 1994 by Richard Kenner
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Showing with 8 additions and 5 deletions

gcc/expmed.c
+8 -5

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--- a/gcc/expmed.c
+++ b/gcc/expmed.c
@@ -2920,11 +2920,14 @@ expand_divmod (rem_flag, code, mode, op0, op1, target, unsignedp)
 		      }
 		  }

-		insn = get_last_insn ();
-		REG_NOTES (insn)
-		  = gen_rtx (EXPR_LIST, REG_EQUAL,
-			     gen_rtx (DIV, compute_mode, op0, op1),
-			     REG_NOTES (insn));
+		if (quotient != 0)
+		  {
+		    insn = get_last_insn ();
+		    REG_NOTES (insn)
+		      = gen_rtx (EXPR_LIST, REG_EQUAL,
+				 gen_rtx (DIV, compute_mode, op0, op1),
+				 REG_NOTES (insn));
+		  }
 	      }
 	    break;
 	  }