[PATCH v2 6/8] minmax: Optimise _Static_assert() check in clamp()

[David Laight]

Use __if_constexpr() instead of __builtin_choose_expr(__is_constexpr()).

Signed-off-by: David Laight <david.laight@xxxxxxxxxx>
---
v2 - no change

The misaligned \ is fixed in a later path.

 include/linux/minmax.h | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/include/linux/minmax.h b/include/linux/minmax.h
index a0c948ad576d..ad57c8eddc8a 100644
--- a/include/linux/minmax.h
+++ b/include/linux/minmax.h
@@ -142,8 +142,7 @@
 	typeof(val) unique_val = (val);						\
 	typeof(lo) unique_lo = (lo);						\
 	typeof(hi) unique_hi = (hi);						\
-	_Static_assert(__builtin_choose_expr(__is_constexpr((lo) > (hi)),	\
-			(lo) <= (hi), true),					\
+	_Static_assert(__if_constexpr((lo) <= (hi), (lo) <= (hi), true),		\
 		"clamp() low limit " #lo " greater than high limit " #hi);	\
 	_Static_assert(__types_ok(val, lo), "clamp() 'lo' signedness error");	\
 	_Static_assert(__types_ok(val, hi), "clamp() 'hi' signedness error");	\
-- 
2.17.1

-
Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK
Registration No: 1397386 (Wales)