From: Richard Kenner <kenner@gcc.gnu.org>
Date: Fri, 1 Jul 1994 10:45:56 +0000 (-0400)
Subject: (expand_divmod): Don't set REG_NOTES unless we generated a quotient.
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e9c1141151358c5713eefd54d900a816db88fa22;p=platform%2Fupstream%2Fgcc.git

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

From-SVN: r7627
---

diff --git a/gcc/expmed.c b/gcc/expmed.c
index ee16ed4..5df0188 100644
--- 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;
 	  }