reload1.c (reload_combine_note_store): Fix calculation of number of affected registers.

	* reload1.c (reload_combine_note_store): Fix calculation of number
	of affected registers.

From-SVN: r25657

gcc/ChangeLog

+Wed Mar 10 00:01:24 1999  J"orn Rennecke <amylaar@cygnus.co.uk>
+
+	* reload1.c (reload_combine_note_store): Fix calculation of number
+	of affected registers.
+
 Tue Mar  9 15:48:15 1999  Richard Henderson  <rth@cygnus.com>
 
 	* flow.c (tidy_fallthru_edge): Be more careful finding the last

gcc/reload1.c

@@ -9748,7 +9748,7 @@ reload_combine_note_store (dst, set)
       || GET_CODE (SET_DEST (set)) == SIGN_EXTRACT
       || GET_CODE (SET_DEST (set)) == STRICT_LOW_PART)
     {
-      for (i = size / UNITS_PER_WORD - 1 + regno; i >= regno; i--)
+      for (i = (size - 1) / UNITS_PER_WORD + regno; i >= regno; i--)
 	{
 	  reg_state[i].use_index = -1;
 	  reg_state[i].store_ruid = reload_combine_ruid;
@@ -9756,7 +9756,7 @@ reload_combine_note_store (dst, set)
     }
   else
     {
-      for (i = size / UNITS_PER_WORD - 1 + regno; i >= regno; i--)
+      for (i = (size - 1) / UNITS_PER_WORD + regno; i >= regno; i--)
 	{
 	  reg_state[i].store_ruid = reload_combine_ruid;
 	  reg_state[i].use_index = RELOAD_COMBINE_MAX_USES;