mov.md (movqi_op): Immediates can't be moved to the stack.

* config/m32c/mov.md (movqi_op): Immediates can't be moved to
the stack.
(movsi_splittable): Allow, but split, moves to the stack.
* config/m32c/m32c.c (m32c_split_move): Always split moves to the
stack.

From-SVN: r103140

gcc/ChangeLog

+2005-08-15  DJ Delorie  <dj@redhat.com>
+
+	* config/m32c/mov.md (movqi_op): Immediates can't be moved to
+	the stack.
+	(movsi_splittable): Allow, but split, moves to the stack.
+	* config/m32c/m32c.c (m32c_split_move): Always split moves to the
+	stack.
+
 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 
 	* aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.

gcc/config/m32c/m32c.c

@@ -2663,6 +2663,13 @@ m32c_split_move (rtx * operands, enum machine_mode mode, int split_all)
   debug_rtx (operands[1]);
 #endif
 
+  /* Note that split_all is not used to select the api after this
+     point, so it's safe to set it to 3 even with define_insn.  */
+  /* None of the chips can move SI operands to sp-relative addresses,
+     so we always split those.  */
+  if (m32c_extra_constraint_p (operands[0], 'S', "Ss"))
+    split_all = 3;
+
   /* We don't need to split these.  */
   if (TARGET_A24
       && split_all != 3

gcc/config/m32c/mov.md

@@ -33,9 +33,9 @@
 ;; e.g. stdlib/efgcvt.c.
 (define_insn "movqi_op"
   [(set (match_operand:QI 0 "mra_qi_operand"
-			  "=Rqi*Rmm, <,          RqiSd*Rmm, SdSs,     Rqi*Rmm, Sd")
+			  "=Rqi*Rmm, <,          RqiSd*Rmm, SdSs,    Rqi*Rmm, Sd")
 	(match_operand:QI 1 "mrai_qi_operand"
-			  "iRqi*Rmm, iRqiSd*Rmm, >,         iRqi*Rmm, SdSs,    i"))]
+			  "iRqi*Rmm, iRqiSd*Rmm, >,         Rqi*Rmm, SdSs,    i"))]
   "m32c_mov_ok (operands, QImode)"
   "@
     mov.b\t%1,%0
@@ -168,8 +168,8 @@
 
 ; All SI moves are split if TARGET_A16
 (define_insn_and_split "movsi_splittable"
-  [(set (match_operand:SI 0 "mras_operand" "=Rsi<*Rmm,RsiSd*Rmm")
-	(match_operand:SI 1 "mrasi_operand" "iRsiSd*Rmm,iRsi>*Rmm"))]
+  [(set (match_operand:SI 0 "mras_operand" "=Rsi<*Rmm,RsiSd*Rmm,Ss")
+	(match_operand:SI 1 "mrasi_operand" "iRsiSd*Rmm,iRsi>*Rmm,Rsi*Rmm"))]
   "TARGET_A16"
   "#"
   "TARGET_A16 && reload_completed"