reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with an…

reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with an earlyclobbered output conflict with RELOAD_INPUT...

        * reload1.c (reload_reg_free_for_value_p):  RELOAD_OTHER reloads with
        an earlyclobbered output conflict with RELOAD_INPUT reloads.

From-SVN: r29935

gcc/ChangeLog

+Wed Oct 13 00:45:04 1999  Bernd Schmidt  <bernds@cygnus.co.uk>
+
+	* reload1.c (reload_reg_free_for_value_p):  RELOAD_OTHER reloads with
+	an earlyclobbered output conflict with RELOAD_INPUT reloads.
+
 Tue Oct 12 23:28:28 1999  J"orn Rennecke <amylaar@cygnus.co.uk>
 
 	* sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.

gcc/reload1.c

@@ -5258,7 +5258,7 @@ reload_reg_free_for_value_p (regno, opnum, type, value, out, reloadnum,
 	  if (! rld[i].in || ! rtx_equal_p (rld[i].in, value)
 	      || rld[i].out || out)
 	    {
-	      int time2;
+	      int j, time2;
 	      switch (rld[i].when_needed)
 		{
 		case RELOAD_FOR_OTHER_ADDRESS:
@@ -5337,6 +5337,11 @@ reload_reg_free_for_value_p (regno, opnum, type, value, out, reloadnum,
 		  if (! rld[i].in || rtx_equal_p (rld[i].in, value))
 		    {
 		      time2 = MAX_RECOG_OPERANDS * 4 + 4;
+		      /* Earlyclobbered outputs must conflict with inputs.  */
+		      for (j = 0; j < n_earlyclobbers; j++)
+			if (reload_out[i] == reload_earlyclobbers[j])
+			  time2 = MAX_RECOG_OPERANDS * 4 + 3;
+			  
 		      break;
 		    }
 		  time2 = 1;