(mov[qhs]i): Allow moving a special reg to itself.

From-SVN: r3891

gcc/config/rs6000/rs6000.md

@@ -2103,8 +2103,8 @@
 }")
 
 (define_insn ""
-  [(set (match_operand:SI 0 "nonimmediate_operand" "=r,r,m,r,r,r,*c*q,*l")
-	(match_operand:SI 1 "input_operand" "r,m,r,I,J,*h,r,r"))]
+  [(set (match_operand:SI 0 "nonimmediate_operand" "=r,r,m,r,r,r,*c*q,*l,*h")
+	(match_operand:SI 1 "input_operand" "r,m,r,I,J,*h,r,r,0"))]
   "gpc_reg_operand (operands[0], SImode)
    || gpc_reg_operand (operands[1], SImode)"
   "@
@@ -2115,8 +2115,9 @@
    cau %0,0,%u1
    mf%1 %0
    mt%0 %1
-   mt%0 %1"
-  [(set_attr "type" "*,load,*,*,*,*,*,mtlr")])
+   mt%0 %1
+   cror 0,0,0"
+  [(set_attr "type" "*,load,*,*,*,*,*,mtlr,*")])
 
 ;; Split a load of a large constant into the appropriate two-insn
 ;; sequence.
@@ -2161,8 +2162,8 @@
 }")
 
 (define_insn ""
-  [(set (match_operand:HI 0 "nonimmediate_operand" "=r,r,m,r,r,*h")
-	(match_operand:HI 1 "input_operand" "r,m,r,i,*h,r"))]
+  [(set (match_operand:HI 0 "nonimmediate_operand" "=r,r,m,r,r,*h,*h")
+	(match_operand:HI 1 "input_operand" "r,m,r,i,*h,r,0"))]
   "gpc_reg_operand (operands[0], HImode)
    || gpc_reg_operand (operands[1], HImode)"
   "@
@@ -2171,8 +2172,9 @@
    sth%U0%X0 %1,%0
    cal %0,%w1(0)
    mf%1 %0
-   mt%0 %1"
-  [(set_attr "type" "*,load,*,*,*,*")])
+   mt%0 %1
+   cror 0,0,0"
+  [(set_attr "type" "*,load,*,*,*,*,*")])
 
 (define_expand "movqi"
   [(set (match_operand:QI 0 "general_operand" "")
@@ -2188,8 +2190,8 @@
 }")
 
 (define_insn ""
-  [(set (match_operand:QI 0 "nonimmediate_operand" "=r,r,m,r,r,*h")
-	(match_operand:QI 1 "input_operand" "r,m,r,i,*h,r"))]
+  [(set (match_operand:QI 0 "nonimmediate_operand" "=r,r,m,r,r,*h,*h")
+	(match_operand:QI 1 "input_operand" "r,m,r,i,*h,r,0"))]
   "gpc_reg_operand (operands[0], QImode)
    || gpc_reg_operand (operands[1], QImode)"
   "@
@@ -2198,8 +2200,9 @@
    stb%U0%X0 %1,%0
    cal %0,%1(0)
    mf%1 %0
-   mt%0 %1"
-  [(set_attr "type" "*,load,*,*,*,*")])
+   mt%0 %1
+   cror 0,0,0"
+  [(set_attr "type" "*,load,*,*,*,*,*")])
 
 ;; Here is how to move condition codes around.  When we store CC data in
 ;; an integer register or memory, we store just the high-order 4 bits.