Introduce MIN()/MAX() macros in utils.h
Change-Id: If88270bc9edb32634a793b1e1be6c4829f39b9c5
Signed-off-by: dp-arm <dimitris.papastamos@arm.com>
diff --git a/include/lib/utils.h b/include/lib/utils.h
index 69bbb43..279c913 100644
--- a/include/lib/utils.h
+++ b/include/lib/utils.h
@@ -42,6 +42,20 @@
#define BIT(nr) (1UL << (nr))
+#define MIN(x, y) __extension__ ({ \
+ __typeof__(x) _x = (x); \
+ __typeof__(y) _y = (y); \
+ (void)(&_x == &_y); \
+ _x < _y ? _x : _y; \
+})
+
+#define MAX(x, y) __extension__ ({ \
+ __typeof__(x) _x = (x); \
+ __typeof__(y) _y = (y); \
+ (void)(&_x == &_y); \
+ _x > _y ? _x : _y; \
+})
+
/*
* The round_up() macro rounds up a value to the given boundary in a
* type-agnostic yet type-safe manner. The boundary must be a power of two.