fix some warnings, represent mode size as unsigned value

[libfirm] / ir / ir / irtypes.h

diff --git a/ir/ir/irtypes.h b/ir/ir/irtypes.h
index 481f24f..df8915b 100644 (file)
--- a/ir/ir/irtypes.h
+++ b/ir/ir/irtypes.h
@@ -93,7 +93,7 @@ struct ir_mode {
                                           int, float, reference ...
                                           (see irmode.h) */
        mode_arithmetic   arithmetic;    /**< different arithmetic operations possible with a mode */
-       int               size;          /**< size of the mode in Bits. */
+       unsigned          size;          /**< size of the mode in Bits. */
        unsigned          sign:1;        /**< signedness of this mode */
        unsigned int      modulo_shift;  /**< number of bits a values of this mode will be shifted */
        unsigned          vector_elem;   /**< if this is not equal 1, this is a vector mode with