1 files changed, 32 insertions, 28 deletions

diff --git a/gcc/config/h8300/h8300.md b/gcc/config/h8300/h8300.md
index e0053688576..e340d940be9 100644
--- a/gcc/config/h8300/h8300.md
+++ b/gcc/config/h8300/h8300.md
@@ -411,38 +411,42 @@
        || register_operand (operands[1], SImode))"
   "*
 {
-  if (which_alternative == 0)
-    return \"sub.l	%S0,%S0\";
-  if (which_alternative == 6)
-    return \"clrmac\";
-  if (which_alternative == 7)
-    return \"clrmac\;ldmac %1,macl\";
-  if (which_alternative == 8)
-    return \"stmac	macl,%0\";
-  if (GET_CODE (operands[1]) == CONST_INT)
+  switch (which_alternative)
     {
-      int val = INTVAL (operands[1]);
-
-      /* Look for constants which can be made by adding an 8-bit
-	 number to zero in one of the two low bytes.  */
-      if (val == (val & 0xff))
+    case 0:
+      return \"sub.l	%S0,%S0\";
+    case 6:
+      return \"clrmac\";
+    case 7:
+      return \"clrmac\;ldmac %1,macl\";
+    case 8:
+      return \"stmac	macl,%0\";
+    default:
+      if (GET_CODE (operands[1]) == CONST_INT)
 	{
-	  operands[1] = GEN_INT ((char)val & 0xff);
-	  return \"sub.l %S0,%S0\;add.b %1,%w0\";
-	}
+	  int val = INTVAL (operands[1]);
+
+	  /* Look for constants which can be made by adding an 8-bit
+	     number to zero in one of the two low bytes.  */
+	  if (val == (val & 0xff))
+	    {
+	      operands[1] = GEN_INT ((char)val & 0xff);
+	      return \"sub.l %S0,%S0\;add.b %1,%w0\";
+	    }
      
-      if (val == (val & 0xff00))
-	{
-	  operands[1] = GEN_INT ((char)(val >> 8) & 0xff);
-	  return \"sub.l %S0,%S0\;add.b %1,%x0\";
-	}
+	  if (val == (val & 0xff00))
+	    {
+	      operands[1] = GEN_INT ((char)(val >> 8) & 0xff);
+	      return \"sub.l %S0,%S0\;add.b %1,%x0\";
+	    }
 
-      /* Now look for small negative numbers.  We can subtract them
-	 from zero to get the desired constant.  */
-      if (val == -4 || val == -2 || val == -1)
-	{
-	  operands[1] = GEN_INT (-INTVAL (operands[1]));
-	  return \"sub.l %S0,%S0\;subs %1,%S0\";
+	  /* Now look for small negative numbers.  We can subtract them
+	     from zero to get the desired constant.  */
+	  if (val == -4 || val == -2 || val == -1)
+	    {
+	      operands[1] = GEN_INT (-INTVAL (operands[1]));
+	      return \"sub.l %S0,%S0\;subs %1,%S0\";
+	    }
 	}
     }
    return \"mov.l	%S1,%S0\";