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.version 6.5
.target sm_30
.address_size 64

.visible .entry rsqrt(
	.param .u64 input,
	.param .u64 output
)
{
	.reg .u64 	        in_addr;
    .reg .u64 	        out_addr;
    .reg .f64 	        temp1;

	ld.param.u64 	    in_addr, [input];
    ld.param.u64 	    out_addr, [output];

    ld.f64              temp1, [in_addr];
	rsqrt.approx.f64    temp1, temp1;
    st.f64              [out_addr], temp1;
	ret;
}