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[Base] Fix non-Windows bit_scan_forward.

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gibbed 2020-02-09 16:36:20 -06:00 committed by Rick Gibbed
parent fc37f3e93a
commit 0b3cdf2aaa
1 changed files with 2 additions and 2 deletions
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4
src/xenia/base/math.h
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@ -233,12 +233,12 @@ inline bool bit_scan_forward(uint64_t v, uint32_t* out_first_set_index) {
#else #else
inline bool bit_scan_forward(uint32_t v, uint32_t* out_first_set_index) { inline bool bit_scan_forward(uint32_t v, uint32_t* out_first_set_index) {
int i = ffs(v); int i = ffs(v);
*out_first_set_index = i; *out_first_set_index = i - 1;
return i != 0; return i != 0;
} }
inline bool bit_scan_forward(uint64_t v, uint32_t* out_first_set_index) { inline bool bit_scan_forward(uint64_t v, uint32_t* out_first_set_index) {
int i = ffsll(v); int i = ffsll(v);
*out_first_set_index = i; *out_first_set_index = i - 1;
return i != 0; return i != 0;
} }
#endif // XE_PLATFORM_WIN32 #endif // XE_PLATFORM_WIN32