Mailing List Archive

* mpi/longlong.h [__aarch64__] (count_leading_zeros): Use correctly
sized temporary variable for asm output.
--

Patch fixes clang-8 warning about differently sized inline
assembly operands seen on aarch64.

Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
---
mpi/longlong.h | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/mpi/longlong.h b/mpi/longlong.h
index c0f24c85..6573c984 100644
--- a/mpi/longlong.h
+++ b/mpi/longlong.h
@@ -305,9 +305,13 @@ extern UDItype __udiv_qrnnd ();
(ph) = __ph; \
} while (0)
# define count_leading_zeros(count, x) \
- __asm__ ("clz %0, %1\n" \
- : "=r" ((count)) \
- : "r" ((UDItype)(x)))
+ do { \
+ UDItype __co; \
+ __asm__ ("clz %0, %1\n" \
+ : "=r" (__co) \
+ : "r" ((UDItype)(x))); \
+ (count) = __co; \
+ } while (0)
#endif /* __aarch64__ */

/***************************************
--
2.27.0


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