* i386.c (ix86_attr_length_default): Handle TYPE_FXCH.

From-SVN: r29074

gcc/ChangeLog

+Thu Sep  2 20:18:12 1999  Jeffrey A Law  (law@cygnus.com)
+
+	* i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
+
 Thu Sep  2 22:00:08 1999  J"orn Rennecke <amylaar@cygnus.co.uk>
 
 	* stmt.c (expand_asm_operands): Fix index into inout_mode when

gcc/config/i386/i386.c

@@ -5142,6 +5142,12 @@ ix86_attr_length_default (insn)
     case TYPE_MULTI:
       return 15;
 
+    case TYPE_FXCH:
+      if (STACK_TOP_P (recog_operand[0]))
+	return 2 + (REGNO (recog_operand[1]) != FIRST_STACK_REG + 1);
+      else
+	return 2 + (REGNO (recog_operand[0]) != FIRST_STACK_REG + 1);
+
     default:
       abort ();
     }