m68hc11.md ("zero_extendsidi2"): Use D_REG only for the scratch register.

	* config/m68hc11/m68hc11.md ("zero_extendsidi2"): Use D_REG only for
	the scratch register.
	("*movhi2_push"): Accept Z_REG because a split pattern can make use
	of it, forbid reload to use it.

From-SVN: r55425

gcc/ChangeLog

+2002-07-12  Stephane Carrez  <stcarrez@nerim.fr>
+
+	* config/m68hc11/m68hc11.md ("zero_extendsidi2"): Use D_REG only for
+	the scratch register.
+	("*movhi2_push"): Accept Z_REG because a split pattern can make use
+	of it, forbid reload to use it.
+
 2002-07-12  Marek Michalkiewicz  <marekm@amelek.gda.pl>
 
 	* config/avr/avr.c (test_hard_reg_class): Fix TEST_HARD_REG_BIT

gcc/config/m68hc11/m68hc11.md

@@ -790,8 +790,8 @@
 ;;--------------------------------------------------------------------
 
 (define_insn "*movhi2_push"
-  [(set (match_operand:HI 0 "push_operand" "=<,<")
-	(match_operand:HI 1 "general_operand" "xy,?d"))]
+  [(set (match_operand:HI 0 "push_operand" "=<,<,<")
+	(match_operand:HI 1 "general_operand" "xy,?d,!z"))]
   "TARGET_M6811 && !TARGET_M6812"
   "*
 {
@@ -1228,7 +1228,7 @@
   [(set (match_operand:DI 0 "nonimmediate_operand" "=m,m,!u,!u")
 	(zero_extend:DI 
 	    (match_operand:SI 1 "nonimmediate_operand" "m,Du,m,Du")))
-   (clobber (match_scratch:HI 2 "=d,d,&dB,d"))]
+   (clobber (match_scratch:HI 2 "=d,d,d,d"))]
   ""
   "#")