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fix count_leading_zeroes(0) C fallback (nw)

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This commit is contained in:
Vas Crabb 2018-03-22 03:23:57 +11:00
parent a1c35681bc
commit 418bc70cfa
1 changed files with 2 additions and 1 deletions
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3
src/osd/eminline.h
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@ -273,6 +273,7 @@ inline float recip_approx(float value)
#ifndef count_leading_zeros #ifndef count_leading_zeros
inline uint8_t count_leading_zeros(uint32_t val) inline uint8_t count_leading_zeros(uint32_t val)
{ {
if (!val) return 32U;
uint8_t count; uint8_t count;
for (count = 0; int32_t(val) >= 0; count++) val <<= 1; for (count = 0; int32_t(val) >= 0; count++) val <<= 1;
return count; return count;
@ -289,7 +290,7 @@ inline uint8_t count_leading_zeros(uint32_t val)
inline uint8_t count_leading_ones(uint32_t val) inline uint8_t count_leading_ones(uint32_t val)
{ {
uint8_t count; uint8_t count;
for (count = 0; (int32_t)val < 0; count++) val <<= 1; for (count = 0; int32_t(val) < 0; count++) val <<= 1;
return count; return count;
} }
#endif #endif