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author532479301 <532479301@qq.com>2018-03-01 17:20:27 +0800
committer532479301 <532479301@qq.com>2018-03-01 17:20:27 +0800
commit18307849b405f9e2067eaa8091b105838f413707 (patch)
tree35f80c882b70311b97efc230f8e78e441c28a3a1 /src/crypto
parent9e2ed253f50500e1db4927d511d3ac0d47aed8df (diff)
downloadbitcoin-18307849b405f9e2067eaa8091b105838f413707.tar.xz
Consensus: Fix bug when compiler do not support __builtin_clz*
#ifdef is not correct since defination is defined to 0 or 1. Should change to #if
Diffstat (limited to 'src/crypto')
-rw-r--r--src/crypto/common.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/crypto/common.h b/src/crypto/common.h
index 825b430978..6e9d6dc82a 100644
--- a/src/crypto/common.h
+++ b/src/crypto/common.h
@@ -82,12 +82,12 @@ void static inline WriteBE64(unsigned char* ptr, uint64_t x)
/** Return the smallest number n such that (x >> n) == 0 (or 64 if the highest bit in x is set. */
uint64_t static inline CountBits(uint64_t x)
{
-#ifdef HAVE_DECL___BUILTIN_CLZL
+#if HAVE_DECL___BUILTIN_CLZL
if (sizeof(unsigned long) >= sizeof(uint64_t)) {
return x ? 8 * sizeof(unsigned long) - __builtin_clzl(x) : 0;
}
#endif
-#ifdef HAVE_DECL___BUILTIN_CLZLL
+#if HAVE_DECL___BUILTIN_CLZLL
if (sizeof(unsigned long long) >= sizeof(uint64_t)) {
return x ? 8 * sizeof(unsigned long long) - __builtin_clzll(x) : 0;
}