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Fixes to the implementations of any() and none() in the stdlib.

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These make sure that inactive vector lanes do not interfere with the results
This commit is contained in:
Jean-Luc Duprat
2013-01-18 11:19:54 -08:00
parent 801a3a6ff5
commit 6326924de7
1 changed files with 4 additions and 4 deletions
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8
stdlib.ispc
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@@ -340,9 +340,9 @@ static inline uniform bool any(bool v) {
// We only care about whether "any" is true for the active program instances, // We only care about whether "any" is true for the active program instances,
// so we have to make v with the current program mask. // so we have to make v with the current program mask.
#ifdef ISPC_TARGET_GENERIC #ifdef ISPC_TARGET_GENERIC
return __any(v | !__mask); return __any(v & __mask);
#else #else
return __any(__sext_varying_bool(v) | !__mask); return __any(__sext_varying_bool(v) & __mask);
#endif #endif
} }
@@ -364,9 +364,9 @@ static inline uniform bool none(bool v) {
// so we're only looking at the current lanes // so we're only looking at the current lanes
#ifdef ISPC_TARGET_GENERIC #ifdef ISPC_TARGET_GENERIC
return __none(v | !__mask); return __none(v & __mask);
#else #else
return __none(__sext_varying_bool(v) | !__mask); return __none(__sext_varying_bool(v) & __mask);
#endif #endif
} }