Files
ispc/tests/rdrand-2.ispc
Matt Pharr 2c640f7e52 Add support for RDRAND in IvyBridge.
The standard library now provides a variety of rdrand() functions
that call out to RDRAND, when available.

Issue #263.
2012-07-12 06:07:07 -07:00

20 lines
388 B
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export uniform int width() { return programCount; }
export void f_f(uniform float RET[], uniform float aFOO[]) {
#if !defined(ISPC_TARGET_AVX11) && !defined(ISPC_TARGET_AVX2)
RET[programIndex] = 1;
#else
float r = -1;
while (!rdrand(&r))
;
RET[programIndex] = (r >= 0 && r < 1);
#endif
}
export void result(uniform float RET[]) {
RET[programIndex] = 1;
}