λ x : word32 * word32 * word32 * word32 * word32,
Interp-η
(λ var : Syntax.base_type → Type,
 λ '(x7, x8, x6, x4, x2)%core,
 uint32_t x10, uint8_t x11 = subborrow_u32(0x0, 0x0, x2);
 uint32_t x13, uint8_t x14 = subborrow_u32(x11, 0x0, x4);
 uint32_t x16, uint8_t x17 = subborrow_u32(x14, 0x0, x6);
 uint32_t x19, uint8_t x20 = subborrow_u32(x17, 0x0, x8);
 uint32_t x22, uint8_t x23 = subborrow_u32(x20, 0x0, x7);
 uint32_t x24 = cmovznz32(x23, 0x0, 0xffffffff);
 uint32_t x25 = (x24 & 0xfffffffd);
 uint32_t x27, uint8_t x28 = addcarryx_u32(0x0, x10, x25);
 uint32_t x29 = (x24 & 0xffffffff);
 uint32_t x31, uint8_t x32 = addcarryx_u32(x28, x13, x29);
 uint32_t x33 = (x24 & 0xffffffff);
 uint32_t x35, uint8_t x36 = addcarryx_u32(x32, x16, x33);
 uint32_t x37 = (x24 & 0xffffffff);
 uint32_t x39, uint8_t x40 = addcarryx_u32(x36, x19, x37);
 uint32_t x41 = (x24 & 0x3fffff);
 uint32_t x43, uint8_t _ = addcarryx_u32(x40, x22, x41);
 (Return x43, Return x39, Return x35, Return x31, Return x27))
x
     : word32 * word32 * word32 * word32 * word32 → ReturnType (uint32_t * uint32_t * uint32_t * uint32_t * uint32_t)