sh.c (sh_expand_epilogue): Fix interrupt handler register popping order.

* config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
register popping order.

From-SVN: r155742

gcc/ChangeLog

+2010-01-08  DJ Delorie  <dj@redhat.com>
+
+	* config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
+	register popping order.
+
 2010-01-08  Richard Guenther  <rguenther@suse.de>
 
 	PR lto/42528

gcc/config/sh/sh.c

@@ -7254,13 +7254,13 @@ sh_expand_epilogue (bool sibcall_p)
 	  pop (PR_REG);
 	}
 
-      /* Banked registers are poped first to avoid being scheduled in the
+      /* Banked registers are popped first to avoid being scheduled in the
 	 delay slot. RTE switches banks before the ds instruction.  */
       if (current_function_interrupt)
 	{
-	  for (i = FIRST_BANKED_REG; i <= LAST_BANKED_REG; i++)
-	    if (TEST_HARD_REG_BIT (live_regs_mask, i)) 
-	      pop (LAST_BANKED_REG - i);
+	  for (i = LAST_BANKED_REG; i >= FIRST_BANKED_REG; i--)
+	    if (TEST_HARD_REG_BIT (live_regs_mask, i))
+	      pop (i);
 
 	  last_reg = FIRST_PSEUDO_REGISTER - LAST_BANKED_REG - 1;
 	}