diff --git a/gcc/ifcvt.cc b/gcc/ifcvt.cc
index cb5597bc171..6d67bef41c8 100644
--- a/gcc/ifcvt.cc
+++ b/gcc/ifcvt.cc
@@ -166,6 +166,13 @@ cheap_bb_rtx_cost_p (const_basic_block bb,
     {
       if (NONJUMP_INSN_P (insn))
 	{
+	  /* Inline-asm's cost is not very estimatable.
+	     It could be a costly instruction but the
+	     estimate would be the same as a non costly
+	     instruction.  */
+	  if (asm_noperands (PATTERN (insn)) >= 0)
+	    return false;
+
 	  int cost = insn_cost (insn, speed) * REG_BR_PROB_BASE;
 	  if (cost == 0)
 	    return false;