diff options
| -rw-r--r-- | libfixmath/fix16.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libfixmath/fix16.c b/libfixmath/fix16.c index 0299151..05a8d93 100644 --- a/libfixmath/fix16.c +++ b/libfixmath/fix16.c @@ -275,7 +275,7 @@ fix16_t fix16_smul(fix16_t inArg0, fix16_t inArg1) #if !defined(FIXMATH_OPTIMIZE_8BIT)
#ifdef __GNUC__
// Count leading zeros, using processor-specific instruction if available.
-#define clz(x) __builtin_clzl(x)
+#define clz(x) (__builtin_clzl(x) - (8 * sizeof(long) - 32))
#else
static uint8_t clz(uint32_t x)
{
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