λ x x0 : word64 * word64 * word64 * word64 * word64 * word64 * word64 * word64,
Interp-η
(λ var : Syntax.base_type → Type,
 λ '(x16, x17, x15, x13, x11, x9, x7, x5, (x30, x31, x29, x27, x25, x23, x21, x19))%core,
 uint64_t x33, uint8_t x34 = subborrow_u64(0x0, x5, x19);
 uint64_t x36, uint8_t x37 = subborrow_u64(x34, x7, x21);
 uint64_t x39, uint8_t x40 = subborrow_u64(x37, x9, x23);
 uint64_t x42, uint8_t x43 = subborrow_u64(x40, x11, x25);
 uint64_t x45, uint8_t x46 = subborrow_u64(x43, x13, x27);
 uint64_t x48, uint8_t x49 = subborrow_u64(x46, x15, x29);
 uint64_t x51, uint8_t x52 = subborrow_u64(x49, x17, x31);
 uint64_t x54, uint8_t x55 = subborrow_u64(x52, x16, x30);
 uint64_t x56 = (uint64_t)cmovznz(x55, 0x0, 0xffffffffffffffffL);
 uint64_t x57 = (x56 & 0xffffffffffffffffL);
 uint64_t x59, uint8_t x60 = addcarryx_u64(0x0, x33, x57);
 uint64_t x61 = (x56 & 0xffffffffffffffffL);
 uint64_t x63, uint8_t x64 = addcarryx_u64(x60, x36, x61);
 uint64_t x65 = (x56 & 0xffffffffffffffffL);
 uint64_t x67, uint8_t x68 = addcarryx_u64(x64, x39, x65);
 uint64_t x69 = (x56 & 0xfffffffdffffffffL);
 uint64_t x71, uint8_t x72 = addcarryx_u64(x68, x42, x69);
 uint64_t x73 = (x56 & 0xffffffffffffffffL);
 uint64_t x75, uint8_t x76 = addcarryx_u64(x72, x45, x73);
 uint64_t x77 = (x56 & 0xffffffffffffffffL);
 uint64_t x79, uint8_t x80 = addcarryx_u64(x76, x48, x77);
 uint64_t x81 = (x56 & 0xffffffffffffffffL);
 uint64_t x83, uint8_t x84 = addcarryx_u64(x80, x51, x81);
 uint8_t x85 = ((uint8_t)x56 & 0x3);
 uint64_t x87, uint8_t _ = addcarryx_u64(x84, x54, x85);
 (Return x87, Return x83, Return x79, Return x75, Return x71, Return x67, Return x63, Return x59))
(x, x0)%core
     : word64 * word64 * word64 * word64 * word64 * word64 * word64 * word64 → word64 * word64 * word64 * word64 * word64 * word64 * word64 * word64 → ReturnType (uint64_t * uint64_t * uint64_t * uint64_t * uint64_t * uint64_t * uint64_t * uint64_t)