Reedbeta

// This works (compiled with: fxc /T ps_5_0 /E main foo.hlsl)
float main (in uint x:X) : SV_Target0
{
	float a[12] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, };

	// Put some things in the array
	a[x] = 47.0;
	a[x&7] = 42.0;
	a[(x+1)%12] = 3.14159;