fix some warnings, represent mode size as unsigned value

[libfirm] / ir / ir / irmode_t.h

diff --git a/ir/ir/irmode_t.h b/ir/ir/irmode_t.h
index 2e04a62..dce37f1 100644 (file)
--- a/ir/ir/irmode_t.h
+++ b/ir/ir/irmode_t.h
@@ -51,13 +51,13 @@ _get_mode_ident(const ir_mode *mode) { return mode->name; }
 static INLINE mode_sort
 _get_mode_sort(const ir_mode* mode) { return mode->sort; }
 
-static INLINE int
+static INLINE unsigned
 _get_mode_size_bits(const ir_mode *mode) { return mode->size; }
 
-static INLINE int
+static INLINE unsigned
 _get_mode_size_bytes(const ir_mode *mode) {
-       int size = _get_mode_size_bits(mode);
-       if ((size & 7) != 0) return -1;
+       unsigned size = _get_mode_size_bits(mode);
+       if ((size & 7) != 0) return (unsigned) -1;
        return size >> 3;
 }