Files
ispc/tests/movmsk-opt.ispc
2011-06-21 12:48:50 -07:00

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static float float4(uniform float a, uniform float b, uniform float c,
uniform float d) {
float ret = 0;
for (uniform int i = 0; i < programCount; i += 4) {
ret = insert(ret, i + 0, a);
ret = insert(ret, i + 1, b);
ret = insert(ret, i + 2, c);
ret = insert(ret, i + 3, d);
}
return ret;
}
export uniform int width() { return programCount; }
export void f_fu(uniform float RET[], uniform float aFOO[], uniform float b) {
float a = aFOO[programIndex];
uniform int ret = 0;
float v = float4(1,1,0,0);
bool b = (v == 1.);
ret = __movmsk(((int)b));
RET[programIndex] = ret;
}
// fixme for 16-wide...
export void result(uniform float RET[]) {
uniform int x = -1234;
if (programCount == 4) x = 3;
else if (programCount == 8) x = 0x33;
else if (programCount == 16) x = 0x3333;
RET[programIndex] = x;
}