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Fixed call to __builtin_clz()

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ilog2() erroneously called __builtin_clzl() instead of __builtin_clz()
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ngiddings
2022-08-23 08:46:34 -05:00
parent b8cec93721
commit 2cc9c6942e
1 changed files with 1 additions and 1 deletions
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2
src/math.c
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@@ -5,7 +5,7 @@ int ilog2(unsigned int x)
#if defined __GNUC__ #if defined __GNUC__
if(x <= 1) if(x <= 1)
return 0; return 0;
return 32 - __builtin_clzl(x - 1); return 32 - __builtin_clz(x - 1);
#else #else
static const int table[32] = { static const int table[32] = {
0, 9, 1, 10, 13, 21, 2, 29, 0, 9, 1, 10, 13, 21, 2, 29,