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.version 6.5
.target sm_30
.address_size 64
.visible .entry addc_cc2(
.param .u64 input,
.param .u64 output
)
{
.reg .u64 in_addr;
.reg .u64 out_addr;
.reg .b32 unused;
.reg .b32 carry_out_1;
.reg .b32 carry_out_2;
ld.param.u64 out_addr, [output];
// set CC.CF
add.cc.s32 unused, 4294967295, 4294967295;
// overflow when doing a + b, but not CC.CF
addc.cc.s32 unused, 4294967292, 4294967292;
// write carry
addc.s32 carry_out_1, 0, 0;
// overflow when doing b + CC.CF, but not a
addc.cc.s32 unused, 0, 4294967295;
// write carry
addc.s32 carry_out_2, 0, 0;
st.s32 [out_addr], carry_out_1;
st.s32 [out_addr+4], carry_out_2;
ret;
}
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