avr.md (strlenhi): PARALLEL keyword removed.

	* config/avr/avr.md (strlenhi): PARALLEL keyword removed.
	* config/avr/avr.c (legitimate_address_p): Return value changed
	from letter to register classes. For better debugging.

From-SVN: r43992

gcc/ChangeLog

+Fri Jul 13 23:04:00 2001  Denis Chertykov  <denisc@overta.ru>
+
+	* config/avr/avr.md (strlenhi): PARALLEL keyword removed.
+	* config/avr/avr.c (legitimate_address_p): Return value changed
+	from letter to register classes. For better debugging.
+
 2001-07-13  Kazu Hirata  <kazu@hxi.com>
 
 	* jump.c (reversed_comparison_code_parts): Fix comment typos.

gcc/config/avr/avr.c

@@ -816,12 +816,14 @@ avr_output_function_epilogue (file, size)
    machine for a memory operand of mode MODE.  */
 
 int
+int
 legitimate_address_p (mode, x, strict)
      enum machine_mode mode;
      rtx x;
      int strict;
 {
-  int r = 0;
+  enum reg_class r = NO_REGS;
+  
   if (TARGET_ALL_DEBUG)
     {
       fprintf (stderr, "mode: (%s) %s %s %s %s:",
@@ -843,9 +845,9 @@ legitimate_address_p (mode, x, strict)
     }
   if (REG_P (x) && (strict ? REG_OK_FOR_BASE_STRICT_P (x)
                     : REG_OK_FOR_BASE_NOSTRICT_P (x)))
-    r = 'R';
+    r = POINTER_REGS;
   else if (CONSTANT_ADDRESS_P (x))
-    r = 'S';
+    r = ALL_REGS;
   else if (GET_CODE (x) == PLUS
            && REG_P (XEXP (x, 0))
 	   && GET_CODE (XEXP (x, 1)) == CONST_INT
@@ -857,26 +859,26 @@ legitimate_address_p (mode, x, strict)
 	  if (! strict
 	      || REGNO (XEXP (x,0)) == REG_Y
 	      || REGNO (XEXP (x,0)) == REG_Z)
-	      r = 'Q';
+	    r = BASE_POINTER_REGS;
 	  if (XEXP (x,0) == frame_pointer_rtx
 	      || XEXP (x,0) == arg_pointer_rtx)
-	    r = 'Q';
+	    r = BASE_POINTER_REGS;
 	}
       else if (frame_pointer_needed && XEXP (x,0) == frame_pointer_rtx)
-	r = 'U';
+	r = POINTER_Y_REGS;
     }
   else if ((GET_CODE (x) == PRE_DEC || GET_CODE (x) == POST_INC)
            && REG_P (XEXP (x, 0))
            && (strict ? REG_OK_FOR_BASE_STRICT_P (XEXP (x, 0))
                : REG_OK_FOR_BASE_NOSTRICT_P (XEXP (x, 0))))
     {
-      r = 'T';
+      r = POINTER_REGS;
     }
   if (TARGET_ALL_DEBUG)
     {
       fprintf (stderr, "   ret = %c\n", r);
     }
-  return r;
+  return r == NO_REGS ? 0 : (int)r;
 }
 
 /* Attempts to replace X with a valid

gcc/config/avr/avr.md

@@ -224,7 +224,7 @@
 {
    /* One of the ops has to be in a register */
   if (!register_operand(operand0, HImode)
-      && !(register_operand(operand1, HImode)  || const0_rtx == operands[1]))
+      && !(register_operand(operand1, HImode) || const0_rtx == operands[1]))
     {
       operands[1] = copy_to_mode_reg(HImode, operand1);
     }
@@ -475,11 +475,10 @@
    (set_attr "cc" "clobber,clobber")])
 
 (define_expand "strlenhi"
-    [(parallel
-      [(set (match_dup 4)
-	    (unspec:HI [(match_operand:BLK 1 "memory_operand" "")
-			(match_operand:QI 2 "const_int_operand" "")
-			(match_operand:HI 3 "immediate_operand" "")] 0))])
+    [(set (match_dup 4)
+	  (unspec:HI [(match_operand:BLK 1 "memory_operand" "")
+		      (match_operand:QI 2 "const_int_operand" "")
+		      (match_operand:HI 3 "immediate_operand" "")] 0))
      (set (match_dup 4) (plus:HI (match_dup 4)
 				 (const_int -1)))
      (set (match_operand:HI 0 "register_operand" "")