m68k.h: Restore valid comment removed by mistake with the recent m68k comments cleanup.

	* config/m68k/m68k.h: Restore valid comment removed by mistake with
	the recent m68k comments cleanup.

From-SVN: r83637

gcc/ChangeLog

+2004-06-25  Bernardo Innocenti  <bernie@develer.com>
+
+	* config/m68k/m68k.h: Restore valid comment removed by mistake with
+	the recent m68k comments cleanup.
+
 2004-06-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
 
 	* c-gimplify.c (gimplify_for_stmt): Use gimplify_and_add.

gcc/config/m68k/m68k.h

@@ -355,6 +355,10 @@ extern int target_flags;
 /* target machine storage layout */
 
 #define LONG_DOUBLE_TYPE_SIZE 96
+
+/* Set the value of FLT_EVAL_METHOD in float.h.  When using 68040 fp
+   instructions, we get proper intermediate rounding, otherwise we
+   get extended precision results.  */
 #define TARGET_FLT_EVAL_METHOD ((TARGET_68040_ONLY || ! TARGET_68881) ? 0 : 2)
 
 #define BITS_BIG_ENDIAN 1