Fix multi-reg inheritance problems (only a fix small additional fix for...

Fix multi-reg inheritance problems (only a fix small additional fix for yesterday's accidental checkin)


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@37946 138bc75d-0d04-0410-961f-82ee72b054a4

gcc/ChangeLog

+2000-12-02  Bernd Schmidt  <bernds@redhat.co.uk>
+
+	* reload1.c (free_for_value_p): New function, frontend to
+	reload_reg_free_for_value_p.  All callers of the latter now call
+	this function with an additional mode argument.
+
 2000-12-02  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
 
 	* install.texi (Configurations): Remove obsolete documentation for
@@ -143,10 +149,6 @@
 	(try_combine, can_combine_p, combinable_i3pat): Delete old
 	SMALL_REGISTER_CLASSES tests.
 
-	* reload1.c (free_for_value_p): New function, frontend to
-	reload_reg_free_for_value_p.  All callers of the latter now call
-	this function with an additional mode argument.
-
 2000-12-01  Alexandre Oliva  <aoliva@redhat.com>
 
 	* config/sh/sh.c (shiftcosts): Don't get INTVAL before testing

gcc/reload1.c

@@ -4905,7 +4905,7 @@ free_for_value_p (regno, mode, opnum, type, value, out, reloadnum,
 {
   int nregs = HARD_REGNO_NREGS (regno, mode);
   while (nregs-- > 0)
-    if (! reload_reg_free_for_value_p (regno, opnum, type, value, out,
+    if (! reload_reg_free_for_value_p (regno + nregs, opnum, type, value, out,
 				       reloadnum, ignore_address_reloads))
       return 0;
   return 1;