toplev.c (backend_init): Move init_real_once invocation ...

        * toplev.c (backend_init): Move init_real_once invocation ...
        (do_compile): ... here.

From-SVN: r57291

gcc/ChangeLog

 2002-09-18  Richard Henderson  <rth@redhat.com>
 
+	* toplev.c (backend_init): Move init_real_once invocation ...
+	(do_compile): ... here.
+
+2002-09-18  Richard Henderson  <rth@redhat.com>
+
 	* sibcall.c (optimize_sibling_and_tail_recursive_call): Also remove
 	RTX_UNCHANGING_P markers for successful tail-recursive replacement.
 

gcc/toplev.c

@@ -5156,9 +5156,6 @@ backend_init ()
   /* init_emit_once uses reg_raw_mode and therefore must be called
      after init_regs which initialized reg_raw_mode.  */
   init_regs ();
-  /* Similarly, init_emit_once uses floating point numbers, and
-     thus must follow init_real_once.  */
-  init_real_once ();
   init_emit_once (debug_info_level == DINFO_LEVEL_NORMAL
 		  || debug_info_level == DINFO_LEVEL_VERBOSE
 #ifdef VMS_DEBUGGING_INFO
@@ -5325,6 +5322,11 @@ do_compile ()
   init_timevar ();
   timevar_start (TV_TOTAL);
 
+  /* We need to initialize real.c in order to define __FLT_MIN__ etc,
+     which must happen even with -E.  But with -E we'll suppress the
+     rest of backend_init.  */
+  init_real_once ();
+
   /* Set up the back-end if requested.  */
   if (!no_backend)
     backend_init ();