pa.c (print_operand, case 'Y'): Output comparison operators which right result when...

	* pa.c (print_operand, case 'Y'): Output comparison operators which
	right result when one or more of the operands is a NaN.

From-SVN: r3508

gcc/config/pa/pa.c

@@ -1983,7 +1983,6 @@ print_operand (file, x, code)
 	}
       return;
     case 'N':			/* Condition, (N)egated */
-    case 'Y':
       switch (GET_CODE (x))
 	{
 	case EQ:
@@ -2012,6 +2011,29 @@ print_operand (file, x, code)
 	  abort ();
 	}
       return;
+    /* For floating point comparisons.  Need special conditions to deal
+       with NaNs properly.  */
+    case 'Y':
+      switch (GET_CODE (x))
+	{
+	case EQ:
+	  fprintf (file, "!=");  break;
+	case NE:
+	  fprintf (file, "=");  break;
+	case GT:
+	  fprintf (file, "!>");  break;
+	case GE:
+	  fprintf (file, "!>=");  break;
+	case LT:
+	  fprintf (file, "!<");  break;
+	case LE:
+	  fprintf (file, "!<=");  break;
+	default:
+	  printf ("Can't grok '%c' operator:\n", code);
+	  debug_rtx (x);
+	  abort ();
+	}
+      return;
     case 'S':			/* Condition, operands are (S)wapped.  */
       switch (GET_CODE (x))
 	{