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ispc/tests/atomics-13.ispc

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export uniform int width() { return programCount; }
uniform unsigned int32 s = 0;
export void f_f(uniform float RET[], uniform float aFOO[]) {
float a = aFOO[programIndex];
float b = 0;
if (programIndex & 1)
b = atomic_or_global(s, (1 << programIndex));
RET[programIndex] = popcnt(reduce_max((int32)b));
}
export void result(uniform float RET[]) {
RET[programIndex] = (programCount/2) - 1;
}