tcg/optimize: remove opc argument from tcg_opt_gen_mov

We can get the opcode using the TCGOp pointer. It needs to be
dereferenced, but it's anyway done a few lines below to write
the new value.

Cc: Richard Henderson <rth@twiddle.net>
Signed-off-by: NAurelien Jarno <aurelien@aurel32.net>
Message-Id: <1433447607-31184-3-git-send-email-aurelien@aurel32.net>
Signed-off-by: NRichard Henderson <rth@twiddle.net>

tcg/optimize.c

@@ -194,9 +194,9 @@ static bool temps_are_copies(TCGArg arg1, TCGArg arg2)
 }
 
 static void tcg_opt_gen_mov(TCGContext *s, TCGOp *op, TCGArg *args,
-                            TCGOpcode old_op, TCGArg dst, TCGArg src)
+                            TCGArg dst, TCGArg src)
 {
-    TCGOpcode new_op = op_to_mov(old_op);
+    TCGOpcode new_op = op_to_mov(op->opc);
     tcg_target_ulong mask;
 
     op->opc = new_op;
@@ -791,7 +791,7 @@ static void tcg_constant_folding(TCGContext *s)
             if (temps_are_copies(args[0], args[1])) {
                 tcg_op_remove(s, op);
             } else {
-                tcg_opt_gen_mov(s, op, args, opc, args[0], args[1]);
+                tcg_opt_gen_mov(s, op, args, args[0], args[1]);
             }
             continue;
         default:
@@ -950,7 +950,7 @@ static void tcg_constant_folding(TCGContext *s)
             if (temps_are_copies(args[0], args[1])) {
                 tcg_op_remove(s, op);
             } else if (temps[args[1]].state != TCG_TEMP_CONST) {
-                tcg_opt_gen_mov(s, op, args, opc, args[0], args[1]);
+                tcg_opt_gen_mov(s, op, args, args[0], args[1]);
             } else {
                 tcg_opt_gen_movi(s, op, args,
                                  args[0], temps[args[1]].val);
@@ -982,7 +982,7 @@ static void tcg_constant_folding(TCGContext *s)
                 if (temps_are_copies(args[0], args[1])) {
                     tcg_op_remove(s, op);
                 } else if (temps[args[1]].state != TCG_TEMP_CONST) {
-                    tcg_opt_gen_mov(s, op, args, opc, args[0], args[1]);
+                    tcg_opt_gen_mov(s, op, args, args[0], args[1]);
                 } else {
                     tcg_opt_gen_movi(s, op, args,
                                      args[0], temps[args[1]].val);
@@ -1018,7 +1018,7 @@ static void tcg_constant_folding(TCGContext *s)
                 break;
             }
             if (temps[args[1]].state != TCG_TEMP_CONST) {
-                tcg_opt_gen_mov(s, op, args, opc, args[0], args[1]);
+                tcg_opt_gen_mov(s, op, args, args[0], args[1]);
                 break;
             }
             /* Source argument is constant.  Rewrite the operation and
@@ -1124,7 +1124,7 @@ static void tcg_constant_folding(TCGContext *s)
                     tcg_opt_gen_movi(s, op, args,
                                      args[0], temps[args[4-tmp]].val);
                 } else {
-                    tcg_opt_gen_mov(s, op, args, opc, args[0], args[4-tmp]);
+                    tcg_opt_gen_mov(s, op, args, args[0], args[4-tmp]);
                 }
                 break;
             }