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-rw-r--r--contrib/mumhash/mum.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/contrib/mumhash/mum.h b/contrib/mumhash/mum.h
index 9fab8e7bc..f0edfb54e 100644
--- a/contrib/mumhash/mum.h
+++ b/contrib/mumhash/mum.h
@@ -114,7 +114,7 @@ _mum (uint64_t v, uint64_t p) {
function doing 128x128->128 bit multiplication. The function is
very slow. */
lo = v * p, hi;
- asm ("umulh %0, %1, %2" : "=r" (hi) : "r" (v), "r" (p));
+ __asm__ ("umulh %0, %1, %2" : "=r" (hi) : "r" (v), "r" (p));
#else
__uint128_t r = (__uint128_t) v * (__uint128_t) p;
hi = (uint64_t) (r >> 64);