Add binary NAND and NOR operators

tgt-vhdl/expr.cc

@@ -296,6 +296,12 @@ static vhdl_expr *translate_binary(ivl_expr_t e)
    case 'a':    // Logical AND
       result = translate_logical(lhs, rhs, VHDL_BINOP_AND);
       break;
+   case 'A':    // Bitwise NAND
+      result = translate_numeric(lhs, rhs, VHDL_BINOP_NAND);
+      break;
+   case 'O':    // Bitwise NOR
+      result = translate_numeric(lhs, rhs, VHDL_BINOP_NOR);
+      break;
    case '|':    // Bitwise OR
       result = translate_numeric(lhs, rhs, VHDL_BINOP_OR);
       break;

tgt-vhdl/vhdl_syntax.cc

@@ -719,7 +719,8 @@ void vhdl_binop_expr::emit(std::ostream &of, int level) const
    while (++it != operands_.end()) {
       const char* ops[] = {
          "and", "or", "=", "/=", "+", "-", "*", "<",
-         ">", "<=", ">=", "sll", "srl", "xor", "&"
+         ">", "<=", ">=", "sll", "srl", "xor", "&",
+         "nand", "nor", NULL
       };
 
       of << " " << ops[op_] << " ";

tgt-vhdl/vhdl_syntax.hh

@@ -81,6 +81,8 @@ enum vhdl_binop_t {
    VHDL_BINOP_SR,
    VHDL_BINOP_XOR,
    VHDL_BINOP_CONCAT,
+   VHDL_BINOP_NAND,
+   VHDL_BINOP_NOR,
 };
 
 /*