diff options
| author | Vincent Mailhol <mailhol.vincent@wanadoo.fr> | 2024-11-14 02:18:33 +0900 |
|---|---|---|
| committer | Yury Norov <yury.norov@gmail.com> | 2024-12-30 10:29:25 -0800 |
| commit | 4463a445a64b719e6f501d80dcc5872dde42eb73 (patch) | |
| tree | 04244fea57ef778284b9c3f586fab9f49e9a9495 | |
| parent | 4f3d1be4c2f8a22470f3625cbc778ba2e2130def (diff) | |
linux/bits.h: simplify GENMASK_INPUT_CHECK()
In GENMASK_INPUT_CHECK(),
__builtin_choose_expr(__is_constexpr((l) > (h)), (l) > (h), 0)
is the exact expansion of:
const_true((l) > (h))
Apply const_true() to simplify GENMASK_INPUT_CHECK().
CC: Linus Torvalds <torvalds@linux-foundation.org>
CC: Rasmus Villemoes <linux@rasmusvillemoes.dk>
CC: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Reviewed-by: Yury Norov <yury.norov@gmail.com>,
Signed-off-by: Vincent Mailhol <mailhol.vincent@wanadoo.fr>
Signed-off-by: Yury Norov <yury.norov@gmail.com>
| -rw-r--r-- | include/linux/bits.h | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/include/linux/bits.h b/include/linux/bits.h index 60044b608817..61a75d3f294b 100644 --- a/include/linux/bits.h +++ b/include/linux/bits.h @@ -20,9 +20,8 @@ */ #if !defined(__ASSEMBLY__) #include <linux/build_bug.h> -#define GENMASK_INPUT_CHECK(h, l) \ - (BUILD_BUG_ON_ZERO(__builtin_choose_expr( \ - __is_constexpr((l) > (h)), (l) > (h), 0))) +#include <linux/compiler.h> +#define GENMASK_INPUT_CHECK(h, l) BUILD_BUG_ON_ZERO(const_true((l) > (h))) #else /* * BUILD_BUG_ON_ZERO is not available in h files included from asm files, |