text: /* Autogenerated: src/ExtractionOCaml/word_by_word_montgomery --static p256 '2^256 - 2^224 + 2^192 + 2^96 - 1' 32 */
  /* curve description: p256 */
  /* requested operations: (all) */
  /* m = 0xffffffff00000001000000000000000000000000ffffffffffffffffffffffff (from "2^256 - 2^224 + 2^192 + 2^96 - 1") */
  /* machine_wordsize = 32 (from "32") */
  /*                                                                    */
  /* NOTE: In addition to the bounds specified above each function, all */
  /*   functions synthesized for this Montgomery arithmetic require the */
  /*   input to be strictly less than the prime modulus (m), and also   */
  /*   require the input to be in the unique saturated representation.  */
  /*   All functions also ensure that these two properties are true of  */
  /*   return values.                                                   */
  
  #include <stdint.h>
  typedef unsigned char fiat_p256_uint1;
  typedef signed char fiat_p256_int1;
  
  #if (-1 & 3) != 3
  #error "This code only works on a two's complement system"
  #endif
  
  
  /*
   * The function fiat_p256_addcarryx_u32 is an addition with carry.
   * Postconditions:
   *   out1 = (arg1 + arg2 + arg3) mod 2^32
   *   out2 = ⌊(arg1 + arg2 + arg3) / 2^32⌋
   *
   * Input Bounds:
   *   arg1: [0x0 ~> 0x1]
   *   arg2: [0x0 ~> 0xffffffff]
   *   arg3: [0x0 ~> 0xffffffff]
   * Output Bounds:
   *   out1: [0x0 ~> 0xffffffff]
   *   out2: [0x0 ~> 0x1]
   */
  static void fiat_p256_addcarryx_u32(uint32_t* out1, fiat_p256_uint1* out2, fiat_p256_uint1 arg1, uint32_t arg2, uint32_t arg3) {
    uint64_t x1 = ((arg1 + (uint64_t)arg2) + arg3);
    uint32_t x2 = (uint32_t)(x1 & UINT32_C(0xffffffff));
    fiat_p256_uint1 x3 = (fiat_p256_uint1)(x1 >> 32);
    *out1 = x2;
    *out2 = x3;
  }
  
  /*
   * The function fiat_p256_subborrowx_u32 is a subtraction with borrow.
   * Postconditions:
   *   out1 = (-arg1 + arg2 + -arg3) mod 2^32
   *   out2 = -⌊(-arg1 + arg2 + -arg3) / 2^32⌋
   *
   * Input Bounds:
   *   arg1: [0x0 ~> 0x1]
   *   arg2: [0x0 ~> 0xffffffff]
   *   arg3: [0x0 ~> 0xffffffff]
   * Output Bounds:
   *   out1: [0x0 ~> 0xffffffff]
   *   out2: [0x0 ~> 0x1]
   */
  static void fiat_p256_subborrowx_u32(uint32_t* out1, fiat_p256_uint1* out2, fiat_p256_uint1 arg1, uint32_t arg2, uint32_t arg3) {
    int64_t x1 = ((arg2 - (int64_t)arg1) - arg3);
    fiat_p256_int1 x2 = (fiat_p256_int1)(x1 >> 32);
    uint32_t x3 = (uint32_t)(x1 & UINT32_C(0xffffffff));
    *out1 = x3;
    *out2 = (fiat_p256_uint1)(0x0 - x2);
  }
  
  /*
   * The function fiat_p256_mulx_u32 is a multiplication, returning the full double-width result.
   * Postconditions:
   *   out1 = (arg1 * arg2) mod 2^32
   *   out2 = ⌊arg1 * arg2 / 2^32⌋
   *
   * Input Bounds:
   *   arg1: [0x0 ~> 0xffffffff]
   *   arg2: [0x0 ~> 0xffffffff]
   * Output Bounds:
   *   out1: [0x0 ~> 0xffffffff]
   *   out2: [0x0 ~> 0xffffffff]
   */
  static void fiat_p256_mulx_u32(uint32_t* out1, uint32_t* out2, uint32_t arg1, uint32_t arg2) {
    uint64_t x1 = ((uint64_t)arg1 * arg2);
    uint32_t x2 = (uint32_t)(x1 & UINT32_C(0xffffffff));
    uint32_t x3 = (uint32_t)(x1 >> 32);
    *out1 = x2;
    *out2 = x3;
  }
  
  /*
   * The function fiat_p256_cmovznz_u32 is a single-word conditional move.
   * Postconditions:
   *   out1 = (if arg1 = 0 then arg2 else arg3)
   *
   * Input Bounds:
   *   arg1: [0x0 ~> 0x1]
   *   arg2: [0x0 ~> 0xffffffff]
   *   arg3: [0x0 ~> 0xffffffff]
   * Output Bounds:
   *   out1: [0x0 ~> 0xffffffff]
   */
  static void fiat_p256_cmovznz_u32(uint32_t* out1, fiat_p256_uint1 arg1, uint32_t arg2, uint32_t arg3) {
    fiat_p256_uint1 x1 = (!(!arg1));
    uint32_t x2 = ((fiat_p256_int1)(0x0 - x1) & UINT32_C(0xffffffff));
    uint32_t x3 = ((x2 & arg3) | ((~x2) & arg2));
    *out1 = x3;
  }
  
  /*
   * The function fiat_p256_mul multiplies two field elements in the Montgomery domain.
   * Preconditions:
   *   0 ≤ eval arg1 < m
   *   0 ≤ eval arg2 < m
   * Postconditions:
   *   eval (from_montgomery out1) mod m = (eval (from_montgomery arg1) * eval (from_montgomery arg2)) mod m
   *   0 ≤ eval out1 < m
   *
   * Input Bounds:
   *   arg1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
   *   arg2: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
   * Output Bounds:
   *   out1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
   */
  static void fiat_p256_mul(uint32_t out1[8], const uint32_t arg1[8], const uint32_t arg2[8]) {
    uint32_t x1 = (arg1[1]);
    uint32_t x2 = (arg1[2]);
    uint32_t x3 = (arg1[3]);
    uint32_t x4 = (arg1[4]);
    uint32_t x5 = (arg1[5]);
    uint32_t x6 = (arg1[6]);
    uint32_t x7 = (arg1[7]);
    uint32_t x8 = (arg1[0]);
    uint32_t x9;
    uint32_t x10;
    fiat_p256_mulx_u32(&x9, &x10, x8, (arg2[7]));
    uint32_t x11;
    uint32_t x12;
    fiat_p256_mulx_u32(&x11, &x12, x8, (arg2[6]));
    uint32_t x13;
    uint32_t x14;
    fiat_p256_mulx_u32(&x13, &x14, x8, (arg2[5]));
    uint32_t x15;
    uint32_t x16;
    fiat_p256_mulx_u32(&x15, &x16, x8, (arg2[4]));
    uint32_t x17;
    uint32_t x18;
    fiat_p256_mulx_u32(&x17, &x18, x8, (arg2[3]));
    uint32_t x19;
    uint32_t x20;
    fiat_p256_mulx_u32(&x19, &x20, x8, (arg2[2]));
    uint32_t x21;
    uint32_t x22;
    fiat_p256_mulx_u32(&x21, &x22, x8, (arg2[1]));
    uint32_t x23;
    uint32_t x24;
    fiat_p256_mulx_u32(&x23, &x24, x8, (arg2[0]));
    uint32_t x25;
    fiat_p256_uint1 x26;
    fiat_p256_addcarryx_u32(&x25, &x26, 0x0, x24, x21);
    uint32_t x27;
    fiat_p256_uint1 x28;
    fiat_p256_addcarryx_u32(&x27, &x28, x26, x22, x19);
    uint32_t x29;
    fiat_p256_uint1 x30;
    fiat_p256_addcarryx_u32(&x29, &x30, x28, x20, x17);
    uint32_t x31;
    fiat_p256_uint1 x32;
    fiat_p256_addcarryx_u32(&x31, &x32, x30, x18, x15);
    uint32_t x33;
    fiat_p256_uint1 x34;
    fiat_p256_addcarryx_u32(&x33, &x34, x32, x16, x13);
    uint32_t x35;
    fiat_p256_uint1 x36;
    fiat_p256_addcarryx_u32(&x35, &x36, x34, x14, x11);
    uint32_t x37;
    fiat_p256_uint1 x38;
    fiat_p256_addcarryx_u32(&x37, &x38, x36, x12, x9);
    uint32_t x39;
    fiat_p256_uint1 x40;
    fiat_p256_addcarryx_u32(&x39, &x40, x38, x10, 0x0);
    uint32_t x41;
    uint32_t x42;
    fiat_p256_mulx_u32(&x41, &x42, x23, UINT32_C(0xffffffff));
    uint32_t x43;
    uint32_t x44;
    fiat_p256_mulx_u32(&x43, &x44, x23, UINT32_C(0xffffffff));
    uint32_t x45;
    uint32_t x46;
    fiat_p256_mulx_u32(&x45, &x46, x23, UINT32_C(0xffffffff));
    uint32_t x47;
    uint32_t x48;
    fiat_p256_mulx_u32(&x47, &x48, x23, UINT32_C(0xffffffff));
    uint32_t x49;
    fiat_p256_uint1 x50;
    fiat_p256_addcarryx_u32(&x49, &x50, 0x0, x48, x45);
    uint32_t x51;
    fiat_p256_uint1 x52;
    fiat_p256_addcarryx_u32(&x51, &x52, x50, x46, x43);
    uint32_t x53;
    fiat_p256_uint1 x54;
    fiat_p256_addcarryx_u32(&x53, &x54, x52, x44, 0x0);
    uint32_t x55;
    fiat_p256_uint1 x56;
    fiat_p256_addcarryx_u32(&x55, &x56, 0x0, x23, x47);
    uint32_t x57;
    fiat_p256_uint1 x58;
    fiat_p256_addcarryx_u32(&x57, &x58, x56, x25, x49);
    uint32_t x59;
    fiat_p256_uint1 x60;
    fiat_p256_addcarryx_u32(&x59, &x60, x58, x27, x51);
    uint32_t x61;
    fiat_p256_uint1 x62;
    fiat_p256_addcarryx_u32(&x61, &x62, x60, x29, x53);
    uint32_t x63;
    fiat_p256_uint1 x64;
    fiat_p256_addcarryx_u32(&x63, &x64, x62, x31, 0x0);
    uint32_t x65;
    fiat_p256_uint1 x66;
    fiat_p256_addcarryx_u32(&x65, &x66, x64, x33, 0x0);
    uint32_t x67;
    fiat_p256_uint1 x68;
    fiat_p256_addcarryx_u32(&x67, &x68, x66, x35, x23);
    uint32_t x69;
    fiat_p256_uint1 x70;
    fiat_p256_addcarryx_u32(&x69, &x70, x68, x37, x41);
    uint32_t x71;
    fiat_p256_uint1 x72;
    fiat_p256_addcarryx_u32(&x71, &x72, x70, x39, x42);
    uint32_t x73;
    fiat_p256_uint1 x74;
    fiat_p256_addcarryx_u32(&x73, &x74, x72, 0x0, 0x0);
    uint32_t x75;
    uint32_t x76;
    fiat_p256_mulx_u32(&x75, &x76, x1, (arg2[7]));
    uint32_t x77;
    uint32_t x78;
    fiat_p256_mulx_u32(&x77, &x78, x1, (arg2[6]));
    uint32_t x79;
    uint32_t x80;
    fiat_p256_mulx_u32(&x79, &x80, x1, (arg2[5]));
    uint32_t x81;
    uint32_t x82;
    fiat_p256_mulx_u32(&x81, &x82, x1, (arg2[4]));
    uint32_t x83;
    uint32_t x84;
    fiat_p256_mulx_u32(&x83, &x84, x1, (arg2[3]));
    uint32_t x85;
    uint32_t x86;
    fiat_p256_mulx_u32(&x85, &x86, x1, (arg2[2]));
    uint32_t x87;
    uint32_t x88;
    fiat_p256_mulx_u32(&x87, &x88, x1, (arg2[1]));
    uint32_t x89;
    uint32_t x90;
    fiat_p256_mulx_u32(&x89, &x90, x1, (arg2[0]));
    uint32_t x91;
    fiat_p256_uint1 x92;
    fiat_p256_addcarryx_u32(&x91, &x92, 0x0, x90, x87);
    uint32_t x93;
    fiat_p256_uint1 x94;
    fiat_p256_addcarryx_u32(&x93, &x94, x92, x88, x85);
    uint32_t x95;
    fiat_p256_uint1 x96;
    fiat_p256_addcarryx_u32(&x95, &x96, x94, x86, x83);
    uint32_t x97;
    fiat_p256_uint1 x98;
    fiat_p256_addcarryx_u32(&x97, &x98, x96, x84, x81);
    uint32_t x99;
    fiat_p256_uint1 x100;
    fiat_p256_addcarryx_u32(&x99, &x100, x98, x82, x79);
    uint32_t x101;
    fiat_p256_uint1 x102;
    fiat_p256_addcarryx_u32(&x101, &x102, x100, x80, x77);
    uint32_t x103;
    fiat_p256_uint1 x104;
    fiat_p256_addcarryx_u32(&x103, &x104, x102, x78, x75);
    uint32_t x105;
    fiat_p256_uint1 x106;
    fiat_p256_addcarryx_u32(&x105, &x106, x104, x76, 0x0);
    uint32_t x107;
    fiat_p256_uint1 x108;
    fiat_p256_addcarryx_u32(&x107, &x108, 0x0, x57, x89);
    uint32_t x109;
    fiat_p256_uint1 x110;
    fiat_p256_addcarryx_u32(&x109, &x110, x108, x59, x91);
    uint32_t x111;
    fiat_p256_uint1 x112;
    fiat_p256_addcarryx_u32(&x111, &x112, x110, x61, x93);
    uint32_t x113;
    fiat_p256_uint1 x114;
    fiat_p256_addcarryx_u32(&x113, &x114, x112, x63, x95);
    uint32_t x115;
    fiat_p256_uint1 x116;
    fiat_p256_addcarryx_u32(&x115, &x116, x114, x65, x97);
    uint32_t x117;
    fiat_p256_uint1 x118;
    fiat_p256_addcarryx_u32(&x117, &x118, x116, x67, x99);
    uint32_t x119;
    fiat_p256_uint1 x120;
    fiat_p256_addcarryx_u32(&x119, &x120, x118, x69, x101);
    uint32_t x121;
    fiat_p256_uint1 x122;
    fiat_p256_addcarryx_u32(&x121, &x122, x120, x71, x103);
    uint32_t x123;
    fiat_p256_uint1 x124;
    fiat_p256_addcarryx_u32(&x123, &x124, x122, (fiat_p256_uint1)x73, x105);
    uint32_t x125;
    uint32_t x126;
    fiat_p256_mulx_u32(&x125, &x126, x107, UINT32_C(0xffffffff));
    uint32_t x127;
    uint32_t x128;
    fiat_p256_mulx_u32(&x127, &x128, x107, UINT32_C(0xffffffff));
    uint32_t x129;
    uint32_t x130;
    fiat_p256_mulx_u32(&x129, &x130, x107, UINT32_C(0xffffffff));
    uint32_t x131;
    uint32_t x132;
    fiat_p256_mulx_u32(&x131, &x132, x107, UINT32_C(0xffffffff));
    uint32_t x133;
    fiat_p256_uint1 x134;
    fiat_p256_addcarryx_u32(&x133, &x134, 0x0, x132, x129);
    uint32_t x135;
    fiat_p256_uint1 x136;
    fiat_p256_addcarryx_u32(&x135, &x136, x134, x130, x127);
    uint32_t x137;
    fiat_p256_uint1 x138;
    fiat_p256_addcarryx_u32(&x137, &x138, x136, x128, 0x0);
    uint32_t x139;
    fiat_p256_uint1 x140;
    fiat_p256_addcarryx_u32(&x139, &x140, 0x0, x107, x131);
    uint32_t x141;
    fiat_p256_uint1 x142;
    fiat_p256_addcarryx_u32(&x141, &x142, x140, x109, x133);
    uint32_t x143;
    fiat_p256_uint1 x144;
    fiat_p256_addcarryx_u32(&x143, &x144, x142, x111, x135);
    uint32_t x145;
    fiat_p256_uint1 x146;
    fiat_p256_addcarryx_u32(&x145, &x146, x144, x113, x137);
    uint32_t x147;
    fiat_p256_uint1 x148;
    fiat_p256_addcarryx_u32(&x147, &x148, x146, x115, 0x0);
    uint32_t x149;
    fiat_p256_uint1 x150;
    fiat_p256_addcarryx_u32(&x149, &x150, x148, x117, 0x0);
    uint32_t x151;
    fiat_p256_uint1 x152;
    fiat_p256_addcarryx_u32(&x151, &x152, x150, x119, x107);
    uint32_t x153;
    fiat_p256_uint1 x154;
    fiat_p256_addcarryx_u32(&x153, &x154, x152, x121, x125);
    uint32_t x155;
    fiat_p256_uint1 x156;
    fiat_p256_addcarryx_u32(&x155, &x156, x154, x123, x126);
    uint32_t x157;
    fiat_p256_uint1 x158;
    fiat_p256_addcarryx_u32(&x157, &x158, x156, x124, 0x0);
    uint32_t x159;
    uint32_t x160;
    fiat_p256_mulx_u32(&x159, &x160, x2, (arg2[7]));
    uint32_t x161;
    uint32_t x162;
    fiat_p256_mulx_u32(&x161, &x162, x2, (arg2[6]));
    uint32_t x163;
    uint32_t x164;
    fiat_p256_mulx_u32(&x163, &x164, x2, (arg2[5]));
    uint32_t x165;
    uint32_t x166;
    fiat_p256_mulx_u32(&x165, &x166, x2, (arg2[4]));
    uint32_t x167;
    uint32_t x168;
    fiat_p256_mulx_u32(&x167, &x168, x2, (arg2[3]));
    uint32_t x169;
    uint32_t x170;
    fiat_p256_mulx_u32(&x169, &x170, x2, (arg2[2]));
    uint32_t x171;
    uint32_t x172;
    fiat_p256_mulx_u32(&x171, &x172, x2, (arg2[1]));
    uint32_t x173;
    uint32_t x174;
    fiat_p256_mulx_u32(&x173, &x174, x2, (arg2[0]));
    uint32_t x175;
    fiat_p256_uint1 x176;
    fiat_p256_addcarryx_u32(&x175, &x176, 0x0, x174, x171);
    uint32_t x177;
    fiat_p256_uint1 x178;
    fiat_p256_addcarryx_u32(&x177, &x178, x176, x172, x169);
    uint32_t x179;
    fiat_p256_uint1 x180;
    fiat_p256_addcarryx_u32(&x179, &x180, x178, x170, x167);
    uint32_t x181;
    fiat_p256_uint1 x182;
    fiat_p256_addcarryx_u32(&x181, &x182, x180, x168, x165);
    uint32_t x183;
    fiat_p256_uint1 x184;
    fiat_p256_addcarryx_u32(&x183, &x184, x182, x166, x163);
    uint32_t x185;
    fiat_p256_uint1 x186;
    fiat_p256_addcarryx_u32(&x185, &x186, x184, x164, x161);
    uint32_t x187;
    fiat_p256_uint1 x188;
    fiat_p256_addcarryx_u32(&x187, &x188, x186, x162, x159);
    uint32_t x189;
    fiat_p256_uint1 x190;
    fiat_p256_addcarryx_u32(&x189, &x190, x188, x160, 0x0);
    uint32_t x191;
    fiat_p256_uint1 x192;
    fiat_p256_addcarryx_u32(&x191, &x192, 0x0, x141, x173);
    uint32_t x193;
    fiat_p256_uint1 x194;
    fiat_p256_addcarryx_u32(&x193, &x194, x192, x143, x175);
    uint32_t x195;
    fiat_p256_uint1 x196;
    fiat_p256_addcarryx_u32(&x195, &x196, x194, x145, x177);
    uint32_t x197;
    fiat_p256_uint1 x198;
    fiat_p256_addcarryx_u32(&x197, &x198, x196, x147, x179);
    uint32_t x199;
    fiat_p256_uint1 x200;
    fiat_p256_addcarryx_u32(&x199, &x200, x198, x149, x181);
    uint32_t x201;
    fiat_p256_uint1 x202;
    fiat_p256_addcarryx_u32(&x201, &x202, x200, x151, x183);
    uint32_t x203;
    fiat_p256_uint1 x204;
    fiat_p256_addcarryx_u32(&x203, &x204, x202, x153, x185);
    uint32_t x205;
    fiat_p256_uint1 x206;
    fiat_p256_addcarryx_u32(&x205, &x206, x204, x155, x187);
    uint32_t x207;
    fiat_p256_uint1 x208;
    fiat_p256_addcarryx_u32(&x207, &x208, x206, x157, x189);
    uint32_t x209;
    uint32_t x210;
    fiat_p256_mulx_u32(&x209, &x210, x191, UINT32_C(0xffffffff));
    uint32_t x211;
    uint32_t x212;
    fiat_p256_mulx_u32(&x211, &x212, x191, UINT32_C(0xffffffff));
    uint32_t x213;
    uint32_t x214;
    fiat_p256_mulx_u32(&x213, &x214, x191, UINT32_C(0xffffffff));
    uint32_t x215;
    uint32_t x216;
    fiat_p256_mulx_u32(&x215, &x216, x191, UINT32_C(0xffffffff));
    uint32_t x217;
    fiat_p256_uint1 x218;
    fiat_p256_addcarryx_u32(&x217, &x218, 0x0, x216, x213);
    uint32_t x219;
    fiat_p256_uint1 x220;
    fiat_p256_addcarryx_u32(&x219, &x220, x218, x214, x211);
    uint32_t x221;
    fiat_p256_uint1 x222;
    fiat_p256_addcarryx_u32(&x221, &x222, x220, x212, 0x0);
    uint32_t x223;
    fiat_p256_uint1 x224;
    fiat_p256_addcarryx_u32(&x223, &x224, 0x0, x191, x215);
    uint32_t x225;
    fiat_p256_uint1 x226;
    fiat_p256_addcarryx_u32(&x225, &x226, x224, x193, x217);
    uint32_t x227;
    fiat_p256_uint1 x228;
    fiat_p256_addcarryx_u32(&x227, &x228, x226, x195, x219);
    uint32_t x229;
    fiat_p256_uint1 x230;
    fiat_p256_addcarryx_u32(&x229, &x230, x228, x197, x221);
    uint32_t x231;
    fiat_p256_uint1 x232;
    fiat_p256_addcarryx_u32(&x231, &x232, x230, x199, 0x0);
    uint32_t x233;
    fiat_p256_uint1 x234;
    fiat_p256_addcarryx_u32(&x233, &x234, x232, x201, 0x0);
    uint32_t x235;
    fiat_p256_uint1 x236;
    fiat_p256_addcarryx_u32(&x235, &x236, x234, x203, x191);
    uint32_t x237;
    fiat_p256_uint1 x238;
    fiat_p256_addcarryx_u32(&x237, &x238, x236, x205, x209);
    uint32_t x239;
    fiat_p256_uint1 x240;
    fiat_p256_addcarryx_u32(&x239, &x240, x238, x207, x210);
    uint32_t x241;
    fiat_p256_uint1 x242;
    fiat_p256_addcarryx_u32(&x241, &x242, x240, x208, 0x0);
    uint32_t x243;
    uint32_t x244;
    fiat_p256_mulx_u32(&x243, &x244, x3, (arg2[7]));
    uint32_t x245;
    uint32_t x246;
    fiat_p256_mulx_u32(&x245, &x246, x3, (arg2[6]));
    uint32_t x247;
    uint32_t x248;
    fiat_p256_mulx_u32(&x247, &x248, x3, (arg2[5]));
    uint32_t x249;
    uint32_t x250;
    fiat_p256_mulx_u32(&x249, &x250, x3, (arg2[4]));
    uint32_t x251;
    uint32_t x252;
    fiat_p256_mulx_u32(&x251, &x252, x3, (arg2[3]));
    uint32_t x253;
    uint32_t x254;
    fiat_p256_mulx_u32(&x253, &x254, x3, (arg2[2]));
    uint32_t x255;
    uint32_t x256;
    fiat_p256_mulx_u32(&x255, &x256, x3, (arg2[1]));
    uint32_t x257;
    uint32_t x258;
    fiat_p256_mulx_u32(&x257, &x258, x3, (arg2[0]));
    uint32_t x259;
    fiat_p256_uint1 x260;
    fiat_p256_addcarryx_u32(&x259, &x260, 0x0, x258, x255);
    uint32_t x261;
    fiat_p256_uint1 x262;
    fiat_p256_addcarryx_u32(&x261, &x262, x260, x256, x253);
    uint32_t x263;
    fiat_p256_uint1 x264;
    fiat_p256_addcarryx_u32(&x263, &x264, x262, x254, x251);
    uint32_t x265;
    fiat_p256_uint1 x266;
    fiat_p256_addcarryx_u32(&x265, &x266, x264, x252, x249);
    uint32_t x267;
    fiat_p256_uint1 x268;
    fiat_p256_addcarryx_u32(&x267, &x268, x266, x250, x247);
    uint32_t x269;
    fiat_p256_uint1 x270;
    fiat_p256_addcarryx_u32(&x269, &x270, x268, x248, x245);
    uint32_t x271;
    fiat_p256_uint1 x272;
    fiat_p256_addcarryx_u32(&x271, &x272, x270, x246, x243);
    uint32_t x273;
    fiat_p256_uint1 x274;
    fiat_p256_addcarryx_u32(&x273, &x274, x272, x244, 0x0);
    uint32_t x275;
    fiat_p256_uint1 x276;
    fiat_p256_addcarryx_u32(&x275, &x276, 0x0, x225, x257);
    uint32_t x277;
    fiat_p256_uint1 x278;
    fiat_p256_addcarryx_u32(&x277, &x278, x276, x227, x259);
    uint32_t x279;
    fiat_p256_uint1 x280;
    fiat_p256_addcarryx_u32(&x279, &x280, x278, x229, x261);
    uint32_t x281;
    fiat_p256_uint1 x282;
    fiat_p256_addcarryx_u32(&x281, &x282, x280, x231, x263);
    uint32_t x283;
    fiat_p256_uint1 x284;
    fiat_p256_addcarryx_u32(&x283, &x284, x282, x233, x265);
    uint32_t x285;
    fiat_p256_uint1 x286;
    fiat_p256_addcarryx_u32(&x285, &x286, x284, x235, x267);
    uint32_t x287;
    fiat_p256_uint1 x288;
    fiat_p256_addcarryx_u32(&x287, &x288, x286, x237, x269);
    uint32_t x289;
    fiat_p256_uint1 x290;
    fiat_p256_addcarryx_u32(&x289, &x290, x288, x239, x271);
    uint32_t x291;
    fiat_p256_uint1 x292;
    fiat_p256_addcarryx_u32(&x291, &x292, x290, x241, x273);
    uint32_t x293;
    uint32_t x294;
    fiat_p256_mulx_u32(&x293, &x294, x275, UINT32_C(0xffffffff));
    uint32_t x295;
    uint32_t x296;
    fiat_p256_mulx_u32(&x295, &x296, x275, UINT32_C(0xffffffff));
    uint32_t x297;
    uint32_t x298;
    fiat_p256_mulx_u32(&x297, &x298, x275, UINT32_C(0xffffffff));
    uint32_t x299;
    uint32_t x300;
    fiat_p256_mulx_u32(&x299, &x300, x275, UINT32_C(0xffffffff));
    uint32_t x301;
    fiat_p256_uint1 x302;
    fiat_p256_addcarryx_u32(&x301, &x302, 0x0, x300, x297);
    uint32_t x303;
    fiat_p256_uint1 x304;
    fiat_p256_addcarryx_u32(&x303, &x304, x302, x298, x295);
    uint32_t x305;
    fiat_p256_uint1 x306;
    fiat_p256_addcarryx_u32(&x305, &x306, x304, x296, 0x0);
    uint32_t x307;
    fiat_p256_uint1 x308;
    fiat_p256_addcarryx_u32(&x307, &x308, 0x0, x275, x299);
    uint32_t x309;
    fiat_p256_uint1 x310;
    fiat_p256_addcarryx_u32(&x309, &x310, x308, x277, x301);
    uint32_t x311;
    fiat_p256_uint1 x312;
    fiat_p256_addcarryx_u32(&x311, &x312, x310, x279, x303);
    uint32_t x313;
    fiat_p256_uint1 x314;
    fiat_p256_addcarryx_u32(&x313, &x314, x312, x281, x305);
    uint32_t x315;
    fiat_p256_uint1 x316;
    fiat_p256_addcarryx_u32(&x315, &x316, x314, x283, 0x0);
    uint32_t x317;
    fiat_p256_uint1 x318;
    fiat_p256_addcarryx_u32(&x317, &x318, x316, x285, 0x0);
    uint32_t x319;
    fiat_p256_uint1 x320;
    fiat_p256_addcarryx_u32(&x319, &x320, x318, x287, x275);
    uint32_t x321;
    fiat_p256_uint1 x322;
    fiat_p256_addcarryx_u32(&x321, &x322, x320, x289, x293);
    uint32_t x323;
    fiat_p256_uint1 x324;
    fiat_p256_addcarryx_u32(&x323, &x324, x322, x291, x294);
    uint32_t x325;
    fiat_p256_uint1 x326;
    fiat_p256_addcarryx_u32(&x325, &x326, x324, x292, 0x0);
    uint32_t x327;
    uint32_t x328;
    fiat_p256_mulx_u32(&x327, &x328, x4, (arg2[7]));
    uint32_t x329;
    uint32_t x330;
    fiat_p256_mulx_u32(&x329, &x330, x4, (arg2[6]));
    uint32_t x331;
    uint32_t x332;
    fiat_p256_mulx_u32(&x331, &x332, x4, (arg2[5]));
    uint32_t x333;
    uint32_t x334;
    fiat_p256_mulx_u32(&x333, &x334, x4, (arg2[4]));
    uint32_t x335;
    uint32_t x336;
    fiat_p256_mulx_u32(&x335, &x336, x4, (arg2[3]));
    uint32_t x337;
    uint32_t x338;
    fiat_p256_mulx_u32(&x337, &x338, x4, (arg2[2]));
    uint32_t x339;
    uint32_t x340;
    fiat_p256_mulx_u32(&x339, &x340, x4, (arg2[1]));
    uint32_t x341;
    uint32_t x342;
    fiat_p256_mulx_u32(&x341, &x342, x4, (arg2[0]));
    uint32_t x343;
    fiat_p256_uint1 x344;
    fiat_p256_addcarryx_u32(&x343, &x344, 0x0, x342, x339);
    uint32_t x345;
    fiat_p256_uint1 x346;
    fiat_p256_addcarryx_u32(&x345, &x346, x344, x340, x337);
    uint32_t x347;
    fiat_p256_uint1 x348;
    fiat_p256_addcarryx_u32(&x347, &x348, x346, x338, x335);
    uint32_t x349;
    fiat_p256_uint1 x350;
    fiat_p256_addcarryx_u32(&x349, &x350, x348, x336, x333);
    uint32_t x351;
    fiat_p256_uint1 x352;
    fiat_p256_addcarryx_u32(&x351, &x352, x350, x334, x331);
    uint32_t x353;
    fiat_p256_uint1 x354;
    fiat_p256_addcarryx_u32(&x353, &x354, x352, x332, x329);
    uint32_t x355;
    fiat_p256_uint1 x356;
    fiat_p256_addcarryx_u32(&x355, &x356, x354, x330, x327);
    uint32_t x357;
    fiat_p256_uint1 x358;
    fiat_p256_addcarryx_u32(&x357, &x358, x356, x328, 0x0);
    uint32_t x359;
    fiat_p256_uint1 x360;
    fiat_p256_addcarryx_u32(&x359, &x360, 0x0, x309, x341);
    uint32_t x361;
    fiat_p256_uint1 x362;
    fiat_p256_addcarryx_u32(&x361, &x362, x360, x311, x343);
    uint32_t x363;
    fiat_p256_uint1 x364;
    fiat_p256_addcarryx_u32(&x363, &x364, x362, x313, x345);
    uint32_t x365;
    fiat_p256_uint1 x366;
    fiat_p256_addcarryx_u32(&x365, &x366, x364, x315, x347);
    uint32_t x367;
    fiat_p256_uint1 x368;
    fiat_p256_addcarryx_u32(&x367, &x368, x366, x317, x349);
    uint32_t x369;
    fiat_p256_uint1 x370;
    fiat_p256_addcarryx_u32(&x369, &x370, x368, x319, x351);
    uint32_t x371;
    fiat_p256_uint1 x372;
    fiat_p256_addcarryx_u32(&x371, &x372, x370, x321, x353);
    uint32_t x373;
    fiat_p256_uint1 x374;
    fiat_p256_addcarryx_u32(&x373, &x374, x372, x323, x355);
    uint32_t x375;
    fiat_p256_uint1 x376;
    fiat_p256_addcarryx_u32(&x375, &x376, x374, x325, x357);
    uint32_t x377;
    uint32_t x378;
    fiat_p256_mulx_u32(&x377, &x378, x359, UINT32_C(0xffffffff));
    uint32_t x379;
    uint32_t x380;
    fiat_p256_mulx_u32(&x379, &x380, x359, UINT32_C(0xffffffff));
    uint32_t x381;
    uint32_t x382;
    fiat_p256_mulx_u32(&x381, &x382, x359, UINT32_C(0xffffffff));
    uint32_t x383;
    uint32_t x384;
    fiat_p256_mulx_u32(&x383, &x384, x359, UINT32_C(0xffffffff));
    uint32_t x385;
    fiat_p256_uint1 x386;
    fiat_p256_addcarryx_u32(&x385, &x386, 0x0, x384, x381);
    uint32_t x387;
    fiat_p256_uint1 x388;
    fiat_p256_addcarryx_u32(&x387, &x388, x386, x382, x379);
    uint32_t x389;
    fiat_p256_uint1 x390;
    fiat_p256_addcarryx_u32(&x389, &x390, x388, x380, 0x0);
    uint32_t x391;
    fiat_p256_uint1 x392;
    fiat_p256_addcarryx_u32(&x391, &x392, 0x0, x359, x383);
    uint32_t x393;
    fiat_p256_uint1 x394;
    fiat_p256_addcarryx_u32(&x393, &x394, x392, x361, x385);
    uint32_t x395;
    fiat_p256_uint1 x396;
    fiat_p256_addcarryx_u32(&x395, &x396, x394, x363, x387);
    uint32_t x397;
    fiat_p256_uint1 x398;
    fiat_p256_addcarryx_u32(&x397, &x398, x396, x365, x389);
    uint32_t x399;
    fiat_p256_uint1 x400;
    fiat_p256_addcarryx_u32(&x399, &x400, x398, x367, 0x0);
    uint32_t x401;
    fiat_p256_uint1 x402;
    fiat_p256_addcarryx_u32(&x401, &x402, x400, x369, 0x0);
    uint32_t x403;
    fiat_p256_uint1 x404;
    fiat_p256_addcarryx_u32(&x403, &x404, x402, x371, x359);
    uint32_t x405;
    fiat_p256_uint1 x406;
    fiat_p256_addcarryx_u32(&x405, &x406, x404, x373, x377);
    uint32_t x407;
    fiat_p256_uint1 x408;
    fiat_p256_addcarryx_u32(&x407, &x408, x406, x375, x378);
    uint32_t x409;
    fiat_p256_uint1 x410;
    fiat_p256_addcarryx_u32(&x409, &x410, x408, x376, 0x0);
    uint32_t x411;
    uint32_t x412;
    fiat_p256_mulx_u32(&x411, &x412, x5, (arg2[7]));
    uint32_t x413;
    uint32_t x414;
    fiat_p256_mulx_u32(&x413, &x414, x5, (arg2[6]));
    uint32_t x415;
    uint32_t x416;
    fiat_p256_mulx_u32(&x415, &x416, x5, (arg2[5]));
    uint32_t x417;
    uint32_t x418;
    fiat_p256_mulx_u32(&x417, &x418, x5, (arg2[4]));
    uint32_t x419;
    uint32_t x420;
    fiat_p256_mulx_u32(&x419, &x420, x5, (arg2[3]));
    uint32_t x421;
    uint32_t x422;
    fiat_p256_mulx_u32(&x421, &x422, x5, (arg2[2]));
    uint32_t x423;
    uint32_t x424;
    fiat_p256_mulx_u32(&x423, &x424, x5, (arg2[1]));
    uint32_t x425;
    uint32_t x426;
    fiat_p256_mulx_u32(&x425, &x426, x5, (arg2[0]));
    uint32_t x427;
    fiat_p256_uint1 x428;
    fiat_p256_addcarryx_u32(&x427, &x428, 0x0, x426, x423);
    uint32_t x429;
    fiat_p256_uint1 x430;
    fiat_p256_addcarryx_u32(&x429, &x430, x428, x424, x421);
    uint32_t x431;
    fiat_p256_uint1 x432;
    fiat_p256_addcarryx_u32(&x431, &x432, x430, x422, x419);
    uint32_t x433;
    fiat_p256_uint1 x434;
    fiat_p256_addcarryx_u32(&x433, &x434, x432, x420, x417);
    uint32_t x435;
    fiat_p256_uint1 x436;
    fiat_p256_addcarryx_u32(&x435, &x436, x434, x418, x415);
    uint32_t x437;
    fiat_p256_uint1 x438;
    fiat_p256_addcarryx_u32(&x437, &x438, x436, x416, x413);
    uint32_t x439;
    fiat_p256_uint1 x440;
    fiat_p256_addcarryx_u32(&x439, &x440, x438, x414, x411);
    uint32_t x441;
    fiat_p256_uint1 x442;
    fiat_p256_addcarryx_u32(&x441, &x442, x440, x412, 0x0);
    uint32_t x443;
    fiat_p256_uint1 x444;
    fiat_p256_addcarryx_u32(&x443, &x444, 0x0, x393, x425);
    uint32_t x445;
    fiat_p256_uint1 x446;
    fiat_p256_addcarryx_u32(&x445, &x446, x444, x395, x427);
    uint32_t x447;
    fiat_p256_uint1 x448;
    fiat_p256_addcarryx_u32(&x447, &x448, x446, x397, x429);
    uint32_t x449;
    fiat_p256_uint1 x450;
    fiat_p256_addcarryx_u32(&x449, &x450, x448, x399, x431);
    uint32_t x451;
    fiat_p256_uint1 x452;
    fiat_p256_addcarryx_u32(&x451, &x452, x450, x401, x433);
    uint32_t x453;
    fiat_p256_uint1 x454;
    fiat_p256_addcarryx_u32(&x453, &x454, x452, x403, x435);
    uint32_t x455;
    fiat_p256_uint1 x456;
    fiat_p256_addcarryx_u32(&x455, &x456, x454, x405, x437);
    uint32_t x457;
    fiat_p256_uint1 x458;
    fiat_p256_addcarryx_u32(&x457, &x458, x456, x407, x439);
    uint32_t x459;
    fiat_p256_uint1 x460;
    fiat_p256_addcarryx_u32(&x459, &x460, x458, x409, x441);
    uint32_t x461;
    uint32_t x462;
    fiat_p256_mulx_u32(&x461, &x462, x443, UINT32_C(0xffffffff));
    uint32_t x463;
    uint32_t x464;
    fiat_p256_mulx_u32(&x463, &x464, x443, UINT32_C(0xffffffff));
    uint32_t x465;
    uint32_t x466;
    fiat_p256_mulx_u32(&x465, &x466, x443, UINT32_C(0xffffffff));
    uint32_t x467;
    uint32_t x468;
    fiat_p256_mulx_u32(&x467, &x468, x443, UINT32_C(0xffffffff));
    uint32_t x469;
    fiat_p256_uint1 x470;
    fiat_p256_addcarryx_u32(&x469, &x470, 0x0, x468, x465);
    uint32_t x471;
    fiat_p256_uint1 x472;
    fiat_p256_addcarryx_u32(&x471, &x472, x470, x466, x463);
    uint32_t x473;
    fiat_p256_uint1 x474;
    fiat_p256_addcarryx_u32(&x473, &x474, x472, x464, 0x0);
    uint32_t x475;
    fiat_p256_uint1 x476;
    fiat_p256_addcarryx_u32(&x475, &x476, 0x0, x443, x467);
    uint32_t x477;
    fiat_p256_uint1 x478;
    fiat_p256_addcarryx_u32(&x477, &x478, x476, x445, x469);
    uint32_t x479;
    fiat_p256_uint1 x480;
    fiat_p256_addcarryx_u32(&x479, &x480, x478, x447, x471);
    uint32_t x481;
    fiat_p256_uint1 x482;
    fiat_p256_addcarryx_u32(&x481, &x482, x480, x449, x473);
    uint32_t x483;
    fiat_p256_uint1 x484;
    fiat_p256_addcarryx_u32(&x483, &x484, x482, x451, 0x0);
    uint32_t x485;
    fiat_p256_uint1 x486;
    fiat_p256_addcarryx_u32(&x485, &x486, x484, x453, 0x0);
    uint32_t x487;
    fiat_p256_uint1 x488;
    fiat_p256_addcarryx_u32(&x487, &x488, x486, x455, x443);
    uint32_t x489;
    fiat_p256_uint1 x490;
    fiat_p256_addcarryx_u32(&x489, &x490, x488, x457, x461);
    uint32_t x491;
    fiat_p256_uint1 x492;
    fiat_p256_addcarryx_u32(&x491, &x492, x490, x459, x462);
    uint32_t x493;
    fiat_p256_uint1 x494;
    fiat_p256_addcarryx_u32(&x493, &x494, x492, x460, 0x0);
    uint32_t x495;
    uint32_t x496;
    fiat_p256_mulx_u32(&x495, &x496, x6, (arg2[7]));
    uint32_t x497;
    uint32_t x498;
    fiat_p256_mulx_u32(&x497, &x498, x6, (arg2[6]));
    uint32_t x499;
    uint32_t x500;
    fiat_p256_mulx_u32(&x499, &x500, x6, (arg2[5]));
    uint32_t x501;
    uint32_t x502;
    fiat_p256_mulx_u32(&x501, &x502, x6, (arg2[4]));
    uint32_t x503;
    uint32_t x504;
    fiat_p256_mulx_u32(&x503, &x504, x6, (arg2[3]));
    uint32_t x505;
    uint32_t x506;
    fiat_p256_mulx_u32(&x505, &x506, x6, (arg2[2]));
    uint32_t x507;
    uint32_t x508;
    fiat_p256_mulx_u32(&x507, &x508, x6, (arg2[1]));
    uint32_t x509;
    uint32_t x510;
    fiat_p256_mulx_u32(&x509, &x510, x6, (arg2[0]));
    uint32_t x511;
    fiat_p256_uint1 x512;
    fiat_p256_addcarryx_u32(&x511, &x512, 0x0, x510, x507);
    uint32_t x513;
    fiat_p256_uint1 x514;
    fiat_p256_addcarryx_u32(&x513, &x514, x512, x508, x505);
    uint32_t x515;
    fiat_p256_uint1 x516;
    fiat_p256_addcarryx_u32(&x515, &x516, x514, x506, x503);
    uint32_t x517;
    fiat_p256_uint1 x518;
    fiat_p256_addcarryx_u32(&x517, &x518, x516, x504, x501);
    uint32_t x519;
    fiat_p256_uint1 x520;
    fiat_p256_addcarryx_u32(&x519, &x520, x518, x502, x499);
    uint32_t x521;
    fiat_p256_uint1 x522;
    fiat_p256_addcarryx_u32(&x521, &x522, x520, x500, x497);
    uint32_t x523;
    fiat_p256_uint1 x524;
    fiat_p256_addcarryx_u32(&x523, &x524, x522, x498, x495);
    uint32_t x525;
    fiat_p256_uint1 x526;
    fiat_p256_addcarryx_u32(&x525, &x526, x524, x496, 0x0);
    uint32_t x527;
    fiat_p256_uint1 x528;
    fiat_p256_addcarryx_u32(&x527, &x528, 0x0, x477, x509);
    uint32_t x529;
    fiat_p256_uint1 x530;
    fiat_p256_addcarryx_u32(&x529, &x530, x528, x479, x511);
    uint32_t x531;
    fiat_p256_uint1 x532;
    fiat_p256_addcarryx_u32(&x531, &x532, x530, x481, x513);
    uint32_t x533;
    fiat_p256_uint1 x534;
    fiat_p256_addcarryx_u32(&x533, &x534, x532, x483, x515);
    uint32_t x535;
    fiat_p256_uint1 x536;
    fiat_p256_addcarryx_u32(&x535, &x536, x534, x485, x517);
    uint32_t x537;
    fiat_p256_uint1 x538;
    fiat_p256_addcarryx_u32(&x537, &x538, x536, x487, x519);
    uint32_t x539;
    fiat_p256_uint1 x540;
    fiat_p256_addcarryx_u32(&x539, &x540, x538, x489, x521);
    uint32_t x541;
    fiat_p256_uint1 x542;
    fiat_p256_addcarryx_u32(&x541, &x542, x540, x491, x523);
    uint32_t x543;
    fiat_p256_uint1 x544;
    fiat_p256_addcarryx_u32(&x543, &x544, x542, x493, x525);
    uint32_t x545;
    uint32_t x546;
    fiat_p256_mulx_u32(&x545, &x546, x527, UINT32_C(0xffffffff));
    uint32_t x547;
    uint32_t x548;
    fiat_p256_mulx_u32(&x547, &x548, x527, UINT32_C(0xffffffff));
    uint32_t x549;
    uint32_t x550;
    fiat_p256_mulx_u32(&x549, &x550, x527, UINT32_C(0xffffffff));
    uint32_t x551;
    uint32_t x552;
    fiat_p256_mulx_u32(&x551, &x552, x527, UINT32_C(0xffffffff));
    uint32_t x553;
    fiat_p256_uint1 x554;
    fiat_p256_addcarryx_u32(&x553, &x554, 0x0, x552, x549);
    uint32_t x555;
    fiat_p256_uint1 x556;
    fiat_p256_addcarryx_u32(&x555, &x556, x554, x550, x547);
    uint32_t x557;
    fiat_p256_uint1 x558;
    fiat_p256_addcarryx_u32(&x557, &x558, x556, x548, 0x0);
    uint32_t x559;
    fiat_p256_uint1 x560;
    fiat_p256_addcarryx_u32(&x559, &x560, 0x0, x527, x551);
    uint32_t x561;
    fiat_p256_uint1 x562;
    fiat_p256_addcarryx_u32(&x561, &x562, x560, x529, x553);
    uint32_t x563;
    fiat_p256_uint1 x564;
    fiat_p256_addcarryx_u32(&x563, &x564, x562, x531, x555);
    uint32_t x565;
    fiat_p256_uint1 x566;
    fiat_p256_addcarryx_u32(&x565, &x566, x564, x533, x557);
    uint32_t x567;
    fiat_p256_uint1 x568;
    fiat_p256_addcarryx_u32(&x567, &x568, x566, x535, 0x0);
    uint32_t x569;
    fiat_p256_uint1 x570;
    fiat_p256_addcarryx_u32(&x569, &x570, x568, x537, 0x0);
    uint32_t x571;
    fiat_p256_uint1 x572;
    fiat_p256_addcarryx_u32(&x571, &x572, x570, x539, x527);
    uint32_t x573;
    fiat_p256_uint1 x574;
    fiat_p256_addcarryx_u32(&x573, &x574, x572, x541, x545);
    uint32_t x575;
    fiat_p256_uint1 x576;
    fiat_p256_addcarryx_u32(&x575, &x576, x574, x543, x546);
    uint32_t x577;
    fiat_p256_uint1 x578;
    fiat_p256_addcarryx_u32(&x577, &x578, x576, x544, 0x0);
    uint32_t x579;
    uint32_t x580;
    fiat_p256_mulx_u32(&x579, &x580, x7, (arg2[7]));
    uint32_t x581;
    uint32_t x582;
    fiat_p256_mulx_u32(&x581, &x582, x7, (arg2[6]));
    uint32_t x583;
    uint32_t x584;
    fiat_p256_mulx_u32(&x583, &x584, x7, (arg2[5]));
    uint32_t x585;
    uint32_t x586;
    fiat_p256_mulx_u32(&x585, &x586, x7, (arg2[4]));
    uint32_t x587;
    uint32_t x588;
    fiat_p256_mulx_u32(&x587, &x588, x7, (arg2[3]));
    uint32_t x589;
    uint32_t x590;
    fiat_p256_mulx_u32(&x589, &x590, x7, (arg2[2]));
    uint32_t x591;
    uint32_t x592;
    fiat_p256_mulx_u32(&x591, &x592, x7, (arg2[1]));
    uint32_t x593;
    uint32_t x594;
    fiat_p256_mulx_u32(&x593, &x594, x7, (arg2[0]));
    uint32_t x595;
    fiat_p256_uint1 x596;
    fiat_p256_addcarryx_u32(&x595, &x596, 0x0, x594, x591);
    uint32_t x597;
    fiat_p256_uint1 x598;
    fiat_p256_addcarryx_u32(&x597, &x598, x596, x592, x589);
    uint32_t x599;
    fiat_p256_uint1 x600;
    fiat_p256_addcarryx_u32(&x599, &x600, x598, x590, x587);
    uint32_t x601;
    fiat_p256_uint1 x602;
    fiat_p256_addcarryx_u32(&x601, &x602, x600, x588, x585);
    uint32_t x603;
    fiat_p256_uint1 x604;
    fiat_p256_addcarryx_u32(&x603, &x604, x602, x586, x583);
    uint32_t x605;
    fiat_p256_uint1 x606;
    fiat_p256_addcarryx_u32(&x605, &x606, x604, x584, x581);
    uint32_t x607;
    fiat_p256_uint1 x608;
    fiat_p256_addcarryx_u32(&x607, &x608, x606, x582, x579);
    uint32_t x609;
    fiat_p256_uint1 x610;
    fiat_p256_addcarryx_u32(&x609, &x610, x608, x580, 0x0);
    uint32_t x611;
    fiat_p256_uint1 x612;
    fiat_p256_addcarryx_u32(&x611, &x612, 0x0, x561, x593);
    uint32_t x613;
    fiat_p256_uint1 x614;
    fiat_p256_addcarryx_u32(&x613, &x614, x612, x563, x595);
    uint32_t x615;
    fiat_p256_uint1 x616;
    fiat_p256_addcarryx_u32(&x615, &x616, x614, x565, x597);
    uint32_t x617;
    fiat_p256_uint1 x618;
    fiat_p256_addcarryx_u32(&x617, &x618, x616, x567, x599);
    uint32_t x619;
    fiat_p256_uint1 x620;
    fiat_p256_addcarryx_u32(&x619, &x620, x618, x569, x601);
    uint32_t x621;
    fiat_p256_uint1 x622;
    fiat_p256_addcarryx_u32(&x621, &x622, x620, x571, x603);
    uint32_t x623;
    fiat_p256_uint1 x624;
    fiat_p256_addcarryx_u32(&x623, &x624, x622, x573, x605);
    uint32_t x625;
    fiat_p256_uint1 x626;
    fiat_p256_addcarryx_u32(&x625, &x626, x624, x575, x607);
    uint32_t x627;
    fiat_p256_uint1 x628;
    fiat_p256_addcarryx_u32(&x627, &x628, x626, x577, x609);
    uint32_t x629;
    uint32_t x630;
    fiat_p256_mulx_u32(&x629, &x630, x611, UINT32_C(0xffffffff));
    uint32_t x631;
    uint32_t x632;
    fiat_p256_mulx_u32(&x631, &x632, x611, UINT32_C(0xffffffff));
    uint32_t x633;
    uint32_t x634;
    fiat_p256_mulx_u32(&x633, &x634, x611, UINT32_C(0xffffffff));
    uint32_t x635;
    uint32_t x636;
    fiat_p256_mulx_u32(&x635, &x636, x611, UINT32_C(0xffffffff));
    uint32_t x637;
    fiat_p256_uint1 x638;
    fiat_p256_addcarryx_u32(&x637, &x638, 0x0, x636, x633);
    uint32_t x639;
    fiat_p256_uint1 x640;
    fiat_p256_addcarryx_u32(&x639, &x640, x638, x634, x631);
    uint32_t x641;
    fiat_p256_uint1 x642;
    fiat_p256_addcarryx_u32(&x641, &x642, x640, x632, 0x0);
    uint32_t x643;
    fiat_p256_uint1 x644;
    fiat_p256_addcarryx_u32(&x643, &x644, 0x0, x611, x635);
    uint32_t x645;
    fiat_p256_uint1 x646;
    fiat_p256_addcarryx_u32(&x645, &x646, x644, x613, x637);
    uint32_t x647;
    fiat_p256_uint1 x648;
    fiat_p256_addcarryx_u32(&x647, &x648, x646, x615, x639);
    uint32_t x649;
    fiat_p256_uint1 x650;
    fiat_p256_addcarryx_u32(&x649, &x650, x648, x617, x641);
    uint32_t x651;
    fiat_p256_uint1 x652;
    fiat_p256_addcarryx_u32(&x651, &x652, x650, x619, 0x0);
    uint32_t x653;
    fiat_p256_uint1 x654;
    fiat_p256_addcarryx_u32(&x653, &x654, x652, x621, 0x0);
    uint32_t x655;
    fiat_p256_uint1 x656;
    fiat_p256_addcarryx_u32(&x655, &x656, x654, x623, x611);
    uint32_t x657;
    fiat_p256_uint1 x658;
    fiat_p256_addcarryx_u32(&x657, &x658, x656, x625, x629);
    uint32_t x659;
    fiat_p256_uint1 x660;
    fiat_p256_addcarryx_u32(&x659, &x660, x658, x627, x630);
    uint32_t x661;
    fiat_p256_uint1 x662;
    fiat_p256_addcarryx_u32(&x661, &x662, x660, x628, 0x0);
    uint32_t x663;
    fiat_p256_uint1 x664;
    fiat_p256_subborrowx_u32(&x663, &x664, 0x0, x645, UINT32_C(0xffffffff));
    uint32_t x665;
    fiat_p256_uint1 x666;
    fiat_p256_subborrowx_u32(&x665, &x666, x664, x647, UINT32_C(0xffffffff));
    uint32_t x667;
    fiat_p256_uint1 x668;
    fiat_p256_subborrowx_u32(&x667, &x668, x666, x649, UINT32_C(0xffffffff));
    uint32_t x669;
    fiat_p256_uint1 x670;
    fiat_p256_subborrowx_u32(&x669, &x670, x668, x651, 0x0);
    uint32_t x671;
    fiat_p256_uint1 x672;
    fiat_p256_subborrowx_u32(&x671, &x672, x670, x653, 0x0);
    uint32_t x673;
    fiat_p256_uint1 x674;
    fiat_p256_subborrowx_u32(&x673, &x674, x672, x655, 0x0);
    uint32_t x675;
    fiat_p256_uint1 x676;
    fiat_p256_subborrowx_u32(&x675, &x676, x674, x657, 0x1);
    uint32_t x677;
    fiat_p256_uint1 x678;
    fiat_p256_subborrowx_u32(&x677, &x678, x676, x659, UINT32_C(0xffffffff));
    uint32_t x679;
    fiat_p256_uint1 x680;
    fiat_p256_subborrowx_u32(&x679, &x680, x678, x661, 0x0);
    uint32_t x681;
    fiat_p256_cmovznz_u32(&x681, x680, x663, x645);
    uint32_t x682;
    fiat_p256_cmovznz_u32(&x682, x680, x665, x647);
    uint32_t x683;
    fiat_p256_cmovznz_u32(&x683, x680, x667, x649);
    uint32_t x684;
    fiat_p256_cmovznz_u32(&x684, x680, x669, x651);
    uint32_t x685;
    fiat_p256_cmovznz_u32(&x685, x680, x671, x653);
    uint32_t x686;
    fiat_p256_cmovznz_u32(&x686, x680, x673, x655);
    uint32_t x687;
    fiat_p256_cmovznz_u32(&x687, x680, x675, x657);
    uint32_t x688;
    fiat_p256_cmovznz_u32(&x688, x680, x677, x659);
    out1[0] = x681;
    out1[1] = x682;
    out1[2] = x683;
    out1[3] = x684;
    out1[4] = x685;
    out1[5] = x686;
    out1[6] = x687;
    out1[7] = x688;
  }
  
  /*
   * The function fiat_p256_square squares a field element in the Montgomery domain.
   * Preconditions:
   *   0 ≤ eval arg1 < m
   * Postconditions:
   *   eval (from_montgomery out1) mod m = (eval (from_montgomery arg1) * eval (from_montgomery arg1)) mod m
   *   0 ≤ eval out1 < m
   *
   * Input Bounds:
   *   arg1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
   * Output Bounds:
   *   out1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
   */
  static void fiat_p256_square(uint32_t out1[8], const uint32_t arg1[8]) {
    uint32_t x1 = (arg1[1]);
    uint32_t x2 = (arg1[2]);
    uint32_t x3 = (arg1[3]);
    uint32_t x4 = (arg1[4]);
    uint32_t x5 = (arg1[5]);
    uint32_t x6 = (arg1[6]);
    uint32_t x7 = (arg1[7]);
    uint32_t x8 = (arg1[0]);
    uint32_t x9;
    uint32_t x10;
    fiat_p256_mulx_u32(&x9, &x10, x8, (arg1[7]));
    uint32_t x11;
    uint32_t x12;
    fiat_p256_mulx_u32(&x11, &x12, x8, (arg1[6]));
    uint32_t x13;
    uint32_t x14;
    fiat_p256_mulx_u32(&x13, &x14, x8, (arg1[5]));
    uint32_t x15;
    uint32_t x16;
    fiat_p256_mulx_u32(&x15, &x16, x8, (arg1[4]));
    uint32_t x17;
    uint32_t x18;
    fiat_p256_mulx_u32(&x17, &x18, x8, (arg1[3]));
    uint32_t x19;
    uint32_t x20;
    fiat_p256_mulx_u32(&x19, &x20, x8, (arg1[2]));
    uint32_t x21;
    uint32_t x22;
    fiat_p256_mulx_u32(&x21, &x22, x8, (arg1[1]));
    uint32_t x23;
    uint32_t x24;
    fiat_p256_mulx_u32(&x23, &x24, x8, (arg1[0]));
    uint32_t x25;
    fiat_p256_uint1 x26;
    fiat_p256_addcarryx_u32(&x25, &x26, 0x0, x24, x21);
    uint32_t x27;
    fiat_p256_uint1 x28;
    fiat_p256_addcarryx_u32(&x27, &x28, x26, x22, x19);
    uint32_t x29;
    fiat_p256_uint1 x30;
    fiat_p256_addcarryx_u32(&x29, &x30, x28, x20, x17);
    uint32_t x31;
    fiat_p256_uint1 x32;
    fiat_p256_addcarryx_u32(&x31, &x32, x30, x18, x15);
    uint32_t x33;
    fiat_p256_uint1 x34;
    fiat_p256_addcarryx_u32(&x33, &x34, x32, x16, x13);
    uint32_t x35;
    fiat_p256_uint1 x36;
    fiat_p256_addcarryx_u32(&x35, &x36, x34, x14, x11);
    uint32_t x37;
    fiat_p256_uint1 x38;
    fiat_p256_addcarryx_u32(&x37, &x38, x36, x12, x9);
    uint32_t x39;
    fiat_p256_uint1 x40;
    fiat_p256_addcarryx_u32(&x39, &x40, x38, x10, 0x0);
    uint32_t x41;
    uint32_t x42;
    fiat_p256_mulx_u32(&x41, &x42, x23, UINT32_C(0xffffffff));
    uint32_t x43;
    uint32_t x44;
    fiat_p256_mulx_u32(&x43, &x44, x23, UINT32_C(0xffffffff));
    uint32_t x45;
    uint32_t x46;
    fiat_p256_mulx_u32(&x45, &x46, x23, UINT32_C(0xffffffff));
    uint32_t x47;
    uint32_t x48;
    fiat_p256_mulx_u32(&x47, &x48, x23, UINT32_C(0xffffffff));
    uint32_t x49;
    fiat_p256_uint1 x50;
    fiat_p256_addcarryx_u32(&x49, &x50, 0x0, x48, x45);
    uint32_t x51;
    fiat_p256_uint1 x52;
    fiat_p256_addcarryx_u32(&x51, &x52, x50, x46, x43);
    uint32_t x53;
    fiat_p256_uint1 x54;
    fiat_p256_addcarryx_u32(&x53, &x54, x52, x44, 0x0);
    uint32_t x55;
    fiat_p256_uint1 x56;
    fiat_p256_addcarryx_u32(&x55, &x56, 0x0, x23, x47);
    uint32_t x57;
    fiat_p256_uint1 x58;
    fiat_p256_addcarryx_u32(&x57, &x58, x56, x25, x49);
    uint32_t x59;
    fiat_p256_uint1 x60;
    fiat_p256_addcarryx_u32(&x59, &x60, x58, x27, x51);
    uint32_t x61;
    fiat_p256_uint1 x62;
    fiat_p256_addcarryx_u32(&x61, &x62, x60, x29, x53);
    uint32_t x63;
    fiat_p256_uint1 x64;
    fiat_p256_addcarryx_u32(&x63, &x64, x62, x31, 0x0);
    uint32_t x65;
    fiat_p256_uint1 x66;
    fiat_p256_addcarryx_u32(&x65, &x66, x64, x33, 0x0);
    uint32_t x67;
    fiat_p256_uint1 x68;
    fiat_p256_addcarryx_u32(&x67, &x68, x66, x35, x23);
    uint32_t x69;
    fiat_p256_uint1 x70;
    fiat_p256_addcarryx_u32(&x69, &x70, x68, x37, x41);
    uint32_t x71;
    fiat_p256_uint1 x72;
    fiat_p256_addcarryx_u32(&x71, &x72, x70, x39, x42);
    uint32_t x73;
    fiat_p256_uint1 x74;
    fiat_p256_addcarryx_u32(&x73, &x74, x72, 0x0, 0x0);
    uint32_t x75;
    uint32_t x76;
    fiat_p256_mulx_u32(&x75, &x76, x1, (arg1[7]));
    uint32_t x77;
    uint32_t x78;
    fiat_p256_mulx_u32(&x77, &x78, x1, (arg1[6]));
    uint32_t x79;
    uint32_t x80;
    fiat_p256_mulx_u32(&x79, &x80, x1, (arg1[5]));
    uint32_t x81;
    uint32_t x82;
    fiat_p256_mulx_u32(&x81, &x82, x1, (arg1[4]));
    uint32_t x83;
    uint32_t x84;
    fiat_p256_mulx_u32(&x83, &x84, x1, (arg1[3]));
    uint32_t x85;
    uint32_t x86;
    fiat_p256_mulx_u32(&x85, &x86, x1, (arg1[2]));
    uint32_t x87;
    uint32_t x88;
    fiat_p256_mulx_u32(&x87, &x88, x1, (arg1[1]));
    uint32_t x89;
    uint32_t x90;
    fiat_p256_mulx_u32(&x89, &x90, x1, (arg1[0]));
    uint32_t x91;
    fiat_p256_uint1 x92;
    fiat_p256_addcarryx_u32(&x91, &x92, 0x0, x90, x87);
    uint32_t x93;
    fiat_p256_uint1 x94;
    fiat_p256_addcarryx_u32(&x93, &x94, x92, x88, x85);
    uint32_t x95;
    fiat_p256_uint1 x96;
    fiat_p256_addcarryx_u32(&x95, &x96, x94, x86, x83);
    uint32_t x97;
    fiat_p256_uint1 x98;
    fiat_p256_addcarryx_u32(&x97, &x98, x96, x84, x81);
    uint32_t x99;
    fiat_p256_uint1 x100;
    fiat_p256_addcarryx_u32(&x99, &x100, x98, x82, x79);
    uint32_t x101;
    fiat_p256_uint1 x102;
    fiat_p256_addcarryx_u32(&x101, &x102, x100, x80, x77);
    uint32_t x103;
    fiat_p256_uint1 x104;
    fiat_p256_addcarryx_u32(&x103, &x104, x102, x78, x75);
    uint32_t x105;
    fiat_p256_uint1 x106;
    fiat_p256_addcarryx_u32(&x105, &x106, x104, x76, 0x0);
    uint32_t x107;
    fiat_p256_uint1 x108;
    fiat_p256_addcarryx_u32(&x107, &x108, 0x0, x57, x89);
    uint32_t x109;
    fiat_p256_uint1 x110;
    fiat_p256_addcarryx_u32(&x109, &x110, x108, x59, x91);
    uint32_t x111;
    fiat_p256_uint1 x112;
    fiat_p256_addcarryx_u32(&x111, &x112, x110, x61, x93);
    uint32_t x113;
    fiat_p256_uint1 x114;
    fiat_p256_addcarryx_u32(&x113, &x114, x112, x63, x95);
    uint32_t x115;
    fiat_p256_uint1 x116;
    fiat_p256_addcarryx_u32(&x115, &x116, x114, x65, x97);
    uint32_t x117;
    fiat_p256_uint1 x118;
    fiat_p256_addcarryx_u32(&x117, &x118, x116, x67, x99);
    uint32_t x119;
    fiat_p256_uint1 x120;
    fiat_p256_addcarryx_u32(&x119, &x120, x118, x69, x101);
    uint32_t x121;
    fiat_p256_uint1 x122;
    fiat_p256_addcarryx_u32(&x121, &x122, x120, x71, x103);
    uint32_t x123;
    fiat_p256_uint1 x124;
    fiat_p256_addcarryx_u32(&x123, &x124, x122, (fiat_p256_uint1)x73, x105);
    uint32_t x125;
    uint32_t x126;
    fiat_p256_mulx_u32(&x125, &x126, x107, UINT32_C(0xffffffff));
    uint32_t x127;
    uint32_t x128;
    fiat_p256_mulx_u32(&x127, &x128, x107, UINT32_C(0xffffffff));
    uint32_t x129;
    uint32_t x130;
    fiat_p256_mulx_u32(&x129, &x130, x107, UINT32_C(0xffffffff));
    uint32_t x131;
    uint32_t x132;
    fiat_p256_mulx_u32(&x131, &x132, x107, UINT32_C(0xffffffff));
    uint32_t x133;
    fiat_p256_uint1 x134;
    fiat_p256_addcarryx_u32(&x133, &x134, 0x0, x132, x129);
    uint32_t x135;
    fiat_p256_uint1 x136;
    fiat_p256_addcarryx_u32(&x135, &x136, x134, x130, x127);
    uint32_t x137;
    fiat_p256_uint1 x138;
    fiat_p256_addcarryx_u32(&x137, &x138, x136, x128, 0x0);
    uint32_t x139;
    fiat_p256_uint1 x140;
    fiat_p256_addcarryx_u32(&x139, &x140, 0x0, x107, x131);
    uint32_t x141;
    fiat_p256_uint1 x142;
    fiat_p256_addcarryx_u32(&x141, &x142, x140, x109, x133);
    uint32_t x143;
    fiat_p256_uint1 x144;
    fiat_p256_addcarryx_u32(&x143, &x144, x142, x111, x135);
    uint32_t x145;
    fiat_p256_uint1 x146;
    fiat_p256_addcarryx_u32(&x145, &x146, x144, x113, x137);
    uint32_t x147;
    fiat_p256_uint1 x148;
    fiat_p256_addcarryx_u32(&x147, &x148, x146, x115, 0x0);
    uint32_t x149;
    fiat_p256_uint1 x150;
    fiat_p256_addcarryx_u32(&x149, &x150, x148, x117, 0x0);
    uint32_t x151;
    fiat_p256_uint1 x152;
    fiat_p256_addcarryx_u32(&x151, &x152, x150, x119, x107);
    uint32_t x153;
    fiat_p256_uint1 x154;
    fiat_p256_addcarryx_u32(&x153, &x154, x152, x121, x125);
    uint32_t x155;
    fiat_p256_uint1 x156;
    fiat_p256_addcarryx_u32(&x155, &x156, x154, x123, x126);
    uint32_t x157;
    fiat_p256_uint1 x158;
    fiat_p256_addcarryx_u32(&x157, &x158, x156, x124, 0x0);
    uint32_t x159;
    uint32_t x160;
    fiat_p256_mulx_u32(&x159, &x160, x2, (arg1[7]));
    uint32_t x161;
    uint32_t x162;
    fiat_p256_mulx_u32(&x161, &x162, x2, (arg1[6]));
    uint32_t x163;
    uint32_t x164;
    fiat_p256_mulx_u32(&x163, &x164, x2, (arg1[5]));
    uint32_t x165;
    uint32_t x166;
    fiat_p256_mulx_u32(&x165, &x166, x2, (arg1[4]));
    uint32_t x167;
    uint32_t x168;
    fiat_p256_mulx_u32(&x167, &x168, x2, (arg1[3]));
    uint32_t x169;
    uint32_t x170;
    fiat_p256_mulx_u32(&x169, &x170, x2, (arg1[2]));
    uint32_t x171;
    uint32_t x172;
    fiat_p256_mulx_u32(&x171, &x172, x2, (arg1[1]));
    uint32_t x173;
    uint32_t x174;
    fiat_p256_mulx_u32(&x173, &x174, x2, (arg1[0]));
    uint32_t x175;
    fiat_p256_uint1 x176;
    fiat_p256_addcarryx_u32(&x175, &x176, 0x0, x174, x171);
    uint32_t x177;
    fiat_p256_uint1 x178;
    fiat_p256_addcarryx_u32(&x177, &x178, x176, x172, x169);
    uint32_t x179;
    fiat_p256_uint1 x180;
    fiat_p256_addcarryx_u32(&x179, &x180, x178, x170, x167);
    uint32_t x181;
    fiat_p256_uint1 x182;
    fiat_p256_addcarryx_u32(&x181, &x182, x180, x168, x165);
    uint32_t x183;
    fiat_p256_uint1 x184;
    fiat_p256_addcarryx_u32(&x183, &x184, x182, x166, x163);
    uint32_t x185;
    fiat_p256_uint1 x186;
    fiat_p256_addcarryx_u32(&x185, &x186, x184, x164, x161);
    uint32_t x187;
    fiat_p256_uint1 x188;
    fiat_p256_addcarryx_u32(&x187, &x188, x186, x162, x159);
    uint32_t x189;
    fiat_p256_uint1 x190;
    fiat_p256_addcarryx_u32(&x189, &x190, x188, x160, 0x0);
    uint32_t x191;
    fiat_p256_uint1 x192;
    fiat_p256_addcarryx_u32(&x191, &x192, 0x0, x141, x173);
    uint32_t x193;
    fiat_p256_uint1 x194;
    fiat_p256_addcarryx_u32(&x193, &x194, x192, x143, x175);
    uint32_t x195;
    fiat_p256_uint1 x196;
    fiat_p256_addcarryx_u32(&x195, &x196, x194, x145, x177);
    uint32_t x197;
    fiat_p256_uint1 x198;
    fiat_p256_addcarryx_u32(&x197, &x198, x196, x147, x179);
    uint32_t x199;
    fiat_p256_uint1 x200;
    fiat_p256_addcarryx_u32(&x199, &x200, x198, x149, x181);
    uint32_t x201;
    fiat_p256_uint1 x202;
    fiat_p256_addcarryx_u32(&x201, &x202, x200, x151, x183);
    uint32_t x203;
    fiat_p256_uint1 x204;
    fiat_p256_addcarryx_u32(&x203, &x204, x202, x153, x185);
    uint32_t x205;
    fiat_p256_uint1 x206;
    fiat_p256_addcarryx_u32(&x205, &x206, x204, x155, x187);
    uint32_t x207;
    fiat_p256_uint1 x208;
    fiat_p256_addcarryx_u32(&x207, &x208, x206, x157, x189);
    uint32_t x209;
    uint32_t x210;
    fiat_p256_mulx_u32(&x209, &x210, x191, UINT32_C(0xffffffff));
    uint32_t x211;
    uint32_t x212;
    fiat_p256_mulx_u32(&x211, &x212, x191, UINT32_C(0xffffffff));
    uint32_t x213;
    uint32_t x214;
    fiat_p256_mulx_u32(&x213, &x214, x191, UINT32_C(0xffffffff));
    uint32_t x215;
    uint32_t x216;
    fiat_p256_mulx_u32(&x215, &x216, x191, UINT32_C(0xffffffff));
    uint32_t x217;
    fiat_p256_uint1 x218;
    fiat_p256_addcarryx_u32(&x217, &x218, 0x0, x216, x213);
    uint32_t x219;
    fiat_p256_uint1 x220;
    fiat_p256_addcarryx_u32(&x219, &x220, x218, x214, x211);
    uint32_t x221;
    fiat_p256_uint1 x222;
    fiat_p256_addcarryx_u32(&x221, &x222, x220, x212, 0x0);
    uint32_t x223;
    fiat_p256_uint1 x224;
    fiat_p256_addcarryx_u32(&x223, &x224, 0x0, x191, x215);
    uint32_t x225;
    fiat_p256_uint1 x226;
    fiat_p256_addcarryx_u32(&x225, &x226, x224, x193, x217);
    uint32_t x227;
    fiat_p256_uint1 x228;
    fiat_p256_addcarryx_u32(&x227, &x228, x226, x195, x219);
    uint32_t x229;
    fiat_p256_uint1 x230;
    fiat_p256_addcarryx_u32(&x229, &x230, x228, x197, x221);
    uint32_t x231;
    fiat_p256_uint1 x232;
    fiat_p256_addcarryx_u32(&x231, &x232, x230, x199, 0x0);
    uint32_t x233;
    fiat_p256_uint1 x234;
    fiat_p256_addcarryx_u32(&x233, &x234, x232, x201, 0x0);
    uint32_t x235;
    fiat_p256_uint1 x236;
    fiat_p256_addcarryx_u32(&x235, &x236, x234, x203, x191);
    uint32_t x237;
    fiat_p256_uint1 x238;
    fiat_p256_addcarryx_u32(&x237, &x238, x236, x205, x209);
    uint32_t x239;
    fiat_p256_uint1 x240;
    fiat_p256_addcarryx_u32(&x239, &x240, x238, x207, x210);
    uint32_t x241;
    fiat_p256_uint1 x242;
    fiat_p256_addcarryx_u32(&x241, &x242, x240, x208, 0x0);
    uint32_t x243;
    uint32_t x244;
    fiat_p256_mulx_u32(&x243, &x244, x3, (arg1[7]));
    uint32_t x245;
    uint32_t x246;
    fiat_p256_mulx_u32(&x245, &x246, x3, (arg1[6]));
    uint32_t x247;
    uint32_t x248;
    fiat_p256_mulx_u32(&x247, &x248, x3, (arg1[5]));
    uint32_t x249;
    uint32_t x250;
    fiat_p256_mulx_u32(&x249, &x250, x3, (arg1[4]));
    uint32_t x251;
    uint32_t x252;
    fiat_p256_mulx_u32(&x251, &x252, x3, (arg1[3]));
    uint32_t x253;
    uint32_t x254;
    fiat_p256_mulx_u32(&x253, &x254, x3, (arg1[2]));
    uint32_t x255;
    uint32_t x256;
    fiat_p256_mulx_u32(&x255, &x256, x3, (arg1[1]));
    uint32_t x257;
    uint32_t x258;
    fiat_p256_mulx_u32(&x257, &x258, x3, (arg1[0]));
    uint32_t x259;
    fiat_p256_uint1 x260;
    fiat_p256_addcarryx_u32(&x259, &x260, 0x0, x258, x255);
    uint32_t x261;
    fiat_p256_uint1 x262;
    fiat_p256_addcarryx_u32(&x261, &x262, x260, x256, x253);
    uint32_t x263;
    fiat_p256_uint1 x264;
    fiat_p256_addcarryx_u32(&x263, &x264, x262, x254, x251);
    uint32_t x265;
    fiat_p256_uint1 x266;
    fiat_p256_addcarryx_u32(&x265, &x266, x264, x252, x249);
    uint32_t x267;
    fiat_p256_uint1 x268;
    fiat_p256_addcarryx_u32(&x267, &x268, x266, x250, x247);
    uint32_t x269;
    fiat_p256_uint1 x270;
    fiat_p256_addcarryx_u32(&x269, &x270, x268, x248, x245);
    uint32_t x271;
    fiat_p256_uint1 x272;
    fiat_p256_addcarryx_u32(&x271, &x272, x270, x246, x243);
    uint32_t x273;
    fiat_p256_uint1 x274;
    fiat_p256_addcarryx_u32(&x273, &x274, x272, x244, 0x0);
    uint32_t x275;
    fiat_p256_uint1 x276;
    fiat_p256_addcarryx_u32(&x275, &x276, 0x0, x225, x257);
    uint32_t x277;
    fiat_p256_uint1 x278;
    fiat_p256_addcarryx_u32(&x277, &x278, x276, x227, x259);
    uint32_t x279;
    fiat_p256_uint1 x280;
    fiat_p256_addcarryx_u32(&x279, &x280, x278, x229, x261);
    uint32_t x281;
    fiat_p256_uint1 x282;
    fiat_p256_addcarryx_u32(&x281, &x282, x280, x231, x263);
    uint32_t x283;
    fiat_p256_uint1 x284;
    fiat_p256_addcarryx_u32(&x283, &x284, x282, x233, x265);
    uint32_t x285;
    fiat_p256_uint1 x286;
    fiat_p256_addcarryx_u32(&x285, &x286, x284, x235, x267);
    uint32_t x287;
    fiat_p256_uint1 x288;
    fiat_p256_addcarryx_u32(&x287, &x288, x286, x237, x269);
    uint32_t x289;
    fiat_p256_uint1 x290;
    fiat_p256_addcarryx_u32(&x289, &x290, x288, x239, x271);
    uint32_t x291;
    fiat_p256_uint1 x292;
    fiat_p256_addcarryx_u32(&x291, &x292, x290, x241, x273);
    uint32_t x293;
    uint32_t x294;
    fiat_p256_mulx_u32(&x293, &x294, x275, UINT32_C(0xffffffff));
    uint32_t x295;
    uint32_t x296;
    fiat_p256_mulx_u32(&x295, &x296, x275, UINT32_C(0xffffffff));
    uint32_t x297;
    uint32_t x298;
    fiat_p256_mulx_u32(&x297, &x298, x275, UINT32_C(0xffffffff));
    uint32_t x299;
    uint32_t x300;
    fiat_p256_mulx_u32(&x299, &x300, x275, UINT32_C(0xffffffff));
    uint32_t x301;
    fiat_p256_uint1 x302;
    fiat_p256_addcarryx_u32(&x301, &x302, 0x0, x300, x297);
    uint32_t x303;
    fiat_p256_uint1 x304;
    fiat_p256_addcarryx_u32(&x303, &x304, x302, x298, x295);
    uint32_t x305;
    fiat_p256_uint1 x306;
    fiat_p256_addcarryx_u32(&x305, &x306, x304, x296, 0x0);
    uint32_t x307;
    fiat_p256_uint1 x308;
    fiat_p256_addcarryx_u32(&x307, &x308, 0x0, x275, x299);
    uint32_t x309;
    fiat_p256_uint1 x310;
    fiat_p256_addcarryx_u32(&x309, &x310, x308, x277, x301);
    uint32_t x311;
    fiat_p256_uint1 x312;
    fiat_p256_addcarryx_u32(&x311, &x312, x310, x279, x303);
    uint32_t x313;
    fiat_p256_uint1 x314;
    fiat_p256_addcarryx_u32(&x313, &x314, x312, x281, x305);
    uint32_t x315;
    fiat_p256_uint1 x316;
    fiat_p256_addcarryx_u32(&x315, &x316, x314, x283, 0x0);
    uint32_t x317;
    fiat_p256_uint1 x318;
    fiat_p256_addcarryx_u32(&x317, &x318, x316, x285, 0x0);
    uint32_t x319;
    fiat_p256_uint1 x320;
    fiat_p256_addcarryx_u32(&x319, &x320, x318, x287, x275);
    uint32_t x321;
    fiat_p256_uint1 x322;
    fiat_p256_addcarryx_u32(&x321, &x322, x320, x289, x293);
    uint32_t x323;
    fiat_p256_uint1 x324;
    fiat_p256_addcarryx_u32(&x323, &x324, x322, x291, x294);
    uint32_t x325;
    fiat_p256_uint1 x326;
    fiat_p256_addcarryx_u32(&x325, &x326, x324, x292, 0x0);
    uint32_t x327;
    uint32_t x328;
    fiat_p256_mulx_u32(&x327, &x328, x4, (arg1[7]));
    uint32_t x329;
    uint32_t x330;
    fiat_p256_mulx_u32(&x329, &x330, x4, (arg1[6]));
    uint32_t x331;
    uint32_t x332;
    fiat_p256_mulx_u32(&x331, &x332, x4, (arg1[5]));
    uint32_t x333;
    uint32_t x334;
    fiat_p256_mulx_u32(&x333, &x334, x4, (arg1[4]));
    uint32_t x335;
    uint32_t x336;
    fiat_p256_mulx_u32(&x335, &x336, x4, (arg1[3]));
    uint32_t x337;
    uint32_t x338;
    fiat_p256_mulx_u32(&x337, &x338, x4, (arg1[2]));
    uint32_t x339;
    uint32_t x340;
    fiat_p256_mulx_u32(&x339, &x340, x4, (arg1[1]));
    uint32_t x341;
    uint32_t x342;
    fiat_p256_mulx_u32(&x341, &x342, x4, (arg1[0]));
    uint32_t x343;
    fiat_p256_uint1 x344;
    fiat_p256_addcarryx_u32(&x343, &x344, 0x0, x342, x339);
    uint32_t x345;
    fiat_p256_uint1 x346;
    fiat_p256_addcarryx_u32(&x345, &x346, x344, x340, x337);
    uint32_t x347;
    fiat_p256_uint1 x348;
    fiat_p256_addcarryx_u32(&x347, &x348, x346, x338, x335);
    uint32_t x349;
    fiat_p256_uint1 x350;
    fiat_p256_addcarryx_u32(&x349, &x350, x348, x336, x333);
    uint32_t x351;
    fiat_p256_uint1 x352;
    fiat_p256_addcarryx_u32(&x351, &x352, x350, x334, x331);
    uint32_t x353;
    fiat_p256_uint1 x354;
    fiat_p256_addcarryx_u32(&x353, &x354, x352, x332, x329);
    uint32_t x355;
    fiat_p256_uint1 x356;
    fiat_p256_addcarryx_u32(&x355, &x356, x354, x330, x327);
    uint32_t x357;
    fiat_p256_uint1 x358;
    fiat_p256_addcarryx_u32(&x357, &x358, x356, x328, 0x0);
    uint32_t x359;
    fiat_p256_uint1 x360;
    fiat_p256_addcarryx_u32(&x359, &x360, 0x0, x309, x341);
    uint32_t x361;
    fiat_p256_uint1 x362;
    fiat_p256_addcarryx_u32(&x361, &x362, x360, x311, x343);
    uint32_t x363;
    fiat_p256_uint1 x364;
    fiat_p256_addcarryx_u32(&x363, &x364, x362, x313, x345);
    uint32_t x365;
    fiat_p256_uint1 x366;
    fiat_p256_addcarryx_u32(&x365, &x366, x364, x315, x347);
    uint32_t x367;
    fiat_p256_uint1 x368;
    fiat_p256_addcarryx_u32(&x367, &x368, x366, x317, x349);
    uint32_t x369;
    fiat_p256_uint1 x370;
    fiat_p256_addcarryx_u32(&x369, &x370, x368, x319, x351);
    uint32_t x371;
    fiat_p256_uint1 x372;
    fiat_p256_addcarryx_u32(&x371, &x372, x370, x321, x353);
    uint32_t x373;
    fiat_p256_uint1 x374;
    fiat_p256_addcarryx_u32(&x373, &x374, x372, x323, x355);
    uint32_t x375;
    fiat_p256_uint1 x376;
    fiat_p256_addcarryx_u32(&x375, &x376, x374, x325, x357);
    uint32_t x377;
    uint32_t x378;
    fiat_p256_mulx_u32(&x377, &x378, x359, UINT32_C(0xffffffff));
    uint32_t x379;
    uint32_t x380;
    fiat_p256_mulx_u32(&x379, &x380, x359, UINT32_C(0xffffffff));
    uint32_t x381;
    uint32_t x382;
    fiat_p256_mulx_u32(&x381, &x382, x359, UINT32_C(0xffffffff));
    uint32_t x383;
    uint32_t x384;
    fiat_p256_mulx_u32(&x383, &x384, x359, UINT32_C(0xffffffff));
    uint32_t x385;
    fiat_p256_uint1 x386;
    fiat_p256_addcarryx_u32(&x385, &x386, 0x0, x384, x381);
    uint32_t x387;
    fiat_p256_uint1 x388;
    fiat_p256_addcarryx_u32(&x387, &x388, x386, x382, x379);
    uint32_t x389;
    fiat_p256_uint1 x390;
    fiat_p256_addcarryx_u32(&x389, &x390, x388, x380, 0x0);
    uint32_t x391;
    fiat_p256_uint1 x392;
    fiat_p256_addcarryx_u32(&x391, &x392, 0x0, x359, x383);
    uint32_t x393;
    fiat_p256_uint1 x394;
    fiat_p256_addcarryx_u32(&x393, &x394, x392, x361, x385);
    uint32_t x395;
    fiat_p256_uint1 x396;
    fiat_p256_addcarryx_u32(&x395, &x396, x394, x363, x387);
    uint32_t x397;
    fiat_p256_uint1 x398;
    fiat_p256_addcarryx_u32(&x397, &x398, x396, x365, x389);
    uint32_t x399;
    fiat_p256_uint1 x400;
    fiat_p256_addcarryx_u32(&x399, &x400, x398, x367, 0x0);
    uint32_t x401;
    fiat_p256_uint1 x402;
    fiat_p256_addcarryx_u32(&x401, &x402, x400, x369, 0x0);
    uint32_t x403;
    fiat_p256_uint1 x404;
    fiat_p256_addcarryx_u32(&x403, &x404, x402, x371, x359);
    uint32_t x405;
    fiat_p256_uint1 x406;
    fiat_p256_addcarryx_u32(&x405, &x406, x404, x373, x377);
    uint32_t x407;
    fiat_p256_uint1 x408;
    fiat_p256_addcarryx_u32(&x407, &x408, x406, x375, x378);
    uint32_t x409;
    fiat_p256_uint1 x410;
    fiat_p256_addcarryx_u32(&x409, &x410, x408, x376, 0x0);
    uint32_t x411;
    uint32_t x412;
    fiat_p256_mulx_u32(&x411, &x412, x5, (arg1[7]));
    uint32_t x413;
    uint32_t x414;
    fiat_p256_mulx_u32(&x413, &x414, x5, (arg1[6]));
    uint32_t x415;
    uint32_t x416;
    fiat_p256_mulx_u32(&x415, &x416, x5, (arg1[5]));
    uint32_t x417;
    uint32_t x418;
    fiat_p256_mulx_u32(&x417, &x418, x5, (arg1[4]));
    uint32_t x419;
    uint32_t x420;
    fiat_p256_mulx_u32(&x419, &x420, x5, (arg1[3]));
    uint32_t x421;
    uint32_t x422;
    fiat_p256_mulx_u32(&x421, &x422, x5, (arg1[2]));
    uint32_t x423;
    uint32_t x424;
    fiat_p256_mulx_u32(&x423, &x424, x5, (arg1[1]));
    uint32_t x425;
    uint32_t x426;
    fiat_p256_mulx_u32(&x425, &x426, x5, (arg1[0]));
    uint32_t x427;
    fiat_p256_uint1 x428;
    fiat_p256_addcarryx_u32(&x427, &x428, 0x0, x426, x423);
    uint32_t x429;
    fiat_p256_uint1 x430;
    fiat_p256_addcarryx_u32(&x429, &x430, x428, x424, x421);
    uint32_t x431;
    fiat_p256_uint1 x432;
    fiat_p256_addcarryx_u32(&x431, &x432, x430, x422, x419);
    uint32_t x433;
    fiat_p256_uint1 x434;
    fiat_p256_addcarryx_u32(&x433, &x434, x432, x420, x417);
    uint32_t x435;
    fiat_p256_uint1 x436;
    fiat_p256_addcarryx_u32(&x435, &x436, x434, x418, x415);
    uint32_t x437;
    fiat_p256_uint1 x438;
    fiat_p256_addcarryx_u32(&x437, &x438, x436, x416, x413);
    uint32_t x439;
    fiat_p256_uint1 x440;
    fiat_p256_addcarryx_u32(&x439, &x440, x438, x414, x411);
    uint32_t x441;
    fiat_p256_uint1 x442;
    fiat_p256_addcarryx_u32(&x441, &x442, x440, x412, 0x0);
    uint32_t x443;
    fiat_p256_uint1 x444;
    fiat_p256_addcarryx_u32(&x443, &x444, 0x0, x393, x425);
    uint32_t x445;
    fiat_p256_uint1 x446;
    fiat_p256_addcarryx_u32(&x445, &x446, x444, x395, x427);
    uint32_t x447;
    fiat_p256_uint1 x448;
    fiat_p256_addcarryx_u32(&x447, &x448, x446, x397, x429);
    uint32_t x449;
    fiat_p256_uint1 x450;
    fiat_p256_addcarryx_u32(&x449, &x450, x448, x399, x431);
    uint32_t x451;
    fiat_p256_uint1 x452;
    fiat_p256_addcarryx_u32(&x451, &x452, x450, x401, x433);
    uint32_t x453;
    fiat_p256_uint1 x454;
    fiat_p256_addcarryx_u32(&x453, &x454, x452, x403, x435);
    uint32_t x455;
    fiat_p256_uint1 x456;
    fiat_p256_addcarryx_u32(&x455, &x456, x454, x405, x437);
    uint32_t x457;
    fiat_p256_uint1 x458;
    fiat_p256_addcarryx_u32(&x457, &x458, x456, x407, x439);
    uint32_t x459;
    fiat_p256_uint1 x460;
    fiat_p256_addcarryx_u32(&x459, &x460, x458, x409, x441);
    uint32_t x461;
    uint32_t x462;
    fiat_p256_mulx_u32(&x461, &x462, x443, UINT32_C(0xffffffff));
    uint32_t x463;
    uint32_t x464;
    fiat_p256_mulx_u32(&x463, &x464, x443, UINT32_C(0xffffffff));
    uint32_t x465;
    uint32_t x466;
    fiat_p256_mulx_u32(&x465, &x466, x443, UINT32_C(0xffffffff));
    uint32_t x467;
    uint32_t x468;
    fiat_p256_mulx_u32(&x467, &x468, x443, UINT32_C(0xffffffff));
    uint32_t x469;
    fiat_p256_uint1 x470;
    fiat_p256_addcarryx_u32(&x469, &x470, 0x0, x468, x465);
    uint32_t x471;
    fiat_p256_uint1 x472;
    fiat_p256_addcarryx_u32(&x471, &x472, x470, x466, x463);
    uint32_t x473;
    fiat_p256_uint1 x474;
    fiat_p256_addcarryx_u32(&x473, &x474, x472, x464, 0x0);
    uint32_t x475;
    fiat_p256_uint1 x476;
    fiat_p256_addcarryx_u32(&x475, &x476, 0x0, x443, x467);
    uint32_t x477;
    fiat_p256_uint1 x478;
    fiat_p256_addcarryx_u32(&x477, &x478, x476, x445, x469);
    uint32_t x479;
    fiat_p256_uint1 x480;
    fiat_p256_addcarryx_u32(&x479, &x480, x478, x447, x471);
    uint32_t x481;
    fiat_p256_uint1 x482;
    fiat_p256_addcarryx_u32(&x481, &x482, x480, x449, x473);
    uint32_t x483;
    fiat_p256_uint1 x484;
    fiat_p256_addcarryx_u32(&x483, &x484, x482, x451, 0x0);
    uint32_t x485;
    fiat_p256_uint1 x486;
    fiat_p256_addcarryx_u32(&x485, &x486, x484, x453, 0x0);
    uint32_t x487;
    fiat_p256_uint1 x488;
    fiat_p256_addcarryx_u32(&x487, &x488, x486, x455, x443);
    uint32_t x489;
    fiat_p256_uint1 x490;
    fiat_p256_addcarryx_u32(&x489, &x490, x488, x457, x461);
    uint32_t x491;
    fiat_p256_uint1 x492;
    fiat_p256_addcarryx_u32(&x491, &x492, x490, x459, x462);
    uint32_t x493;
    fiat_p256_uint1 x494;
    fiat_p256_addcarryx_u32(&x493, &x494, x492, x460, 0x0);
    uint32_t x495;
    uint32_t x496;
    fiat_p256_mulx_u32(&x495, &x496, x6, (arg1[7]));
    uint32_t x497;
    uint32_t x498;
    fiat_p256_mulx_u32(&x497, &x498, x6, (arg1[6]));
    uint32_t x499;
    uint32_t x500;
    fiat_p256_mulx_u32(&x499, &x500, x6, (arg1[5]));
    uint32_t x501;
    uint32_t x502;
    fiat_p256_mulx_u32(&x501, &x502, x6, (arg1[4]));
    uint32_t x503;
    uint32_t x504;
    fiat_p256_mulx_u32(&x503, &x504, x6, (arg1[3]));
    uint32_t x505;
    uint32_t x506;
    fiat_p256_mulx_u32(&x505, &x506, x6, (arg1[2]));
    uint32_t x507;
    uint32_t x508;
    fiat_p256_mulx_u32(&x507, &x508, x6, (arg1[1]));
    uint32_t x509;
    uint32_t x510;
    fiat_p256_mulx_u32(&x509, &x510, x6, (arg1[0]));
    uint32_t x511;
    fiat_p256_uint1 x512;
    fiat_p256_addcarryx_u32(&x511, &x512, 0x0, x510, x507);
    uint32_t x513;
    fiat_p256_uint1 x514;
    fiat_p256_addcarryx_u32(&x513, &x514, x512, x508, x505);
    uint32_t x515;
    fiat_p256_uint1 x516;
    fiat_p256_addcarryx_u32(&x515, &x516, x514, x506, x503);
    uint32_t x517;
    fiat_p256_uint1 x518;
    fiat_p256_addcarryx_u32(&x517, &x518, x516, x504, x501);
    uint32_t x519;
    fiat_p256_uint1 x520;
    fiat_p256_addcarryx_u32(&x519, &x520, x518, x502, x499);
    uint32_t x521;
    fiat_p256_uint1 x522;
    fiat_p256_addcarryx_u32(&x521, &x522, x520, x500, x497);
    uint32_t x523;
    fiat_p256_uint1 x524;
    fiat_p256_addcarryx_u32(&x523, &x524, x522, x498, x495);
    uint32_t x525;
    fiat_p256_uint1 x526;
    fiat_p256_addcarryx_u32(&x525, &x526, x524, x496, 0x0);
    uint32_t x527;
    fiat_p256_uint1 x528;
    fiat_p256_addcarryx_u32(&x527, &x528, 0x0, x477, x509);
    uint32_t x529;
    fiat_p256_uint1 x530;
    fiat_p256_addcarryx_u32(&x529, &x530, x528, x479, x511);
    uint32_t x531;
    fiat_p256_uint1 x532;
    fiat_p256_addcarryx_u32(&x531, &x532, x530, x481, x513);
    uint32_t x533;
    fiat_p256_uint1 x534;
    fiat_p256_addcarryx_u32(&x533, &x534, x532, x483, x515);
    uint32_t x535;
    fiat_p256_uint1 x536;
    fiat_p256_addcarryx_u32(&x535, &x536, x534, x485, x517);
    uint32_t x537;
    fiat_p256_uint1 x538;
    fiat_p256_addcarryx_u32(&x537, &x538, x536, x487, x519);
    uint32_t x539;
    fiat_p256_uint1 x540;
    fiat_p256_addcarryx_u32(&x539, &x540, x538, x489, x521);
    uint32_t x541;
    fiat_p256_uint1 x542;
    fiat_p256_addcarryx_u32(&x541, &x542, x540, x491, x523);
    uint32_t x543;
    fiat_p256_uint1 x544;
    fiat_p256_addcarryx_u32(&x543, &x544, x542, x493, x525);
    uint32_t x545;
    uint32_t x546;
    fiat_p256_mulx_u32(&x545, &x546, x527, UINT32_C(0xffffffff));
    uint32_t x547;
    uint32_t x548;
    fiat_p256_mulx_u32(&x547, &x548, x527, UINT32_C(0xffffffff));
    uint32_t x549;
    uint32_t x550;
    fiat_p256_mulx_u32(&x549, &x550, x527, UINT32_C(0xffffffff));
    uint32_t x551;
    uint32_t x552;
    fiat_p256_mulx_u32(&x551, &x552, x527, UINT32_C(0xffffffff));
    uint32_t x553;
    fiat_p256_uint1 x554;
    fiat_p256_addcarryx_u32(&x553, &x554, 0x0, x552, x549);
    uint32_t x555;
    fiat_p256_uint1 x556;
    fiat_p256_addcarryx_u32(&x555, &x556, x554, x550, x547);
    uint32_t x557;
    fiat_p256_uint1 x558;
    fiat_p256_addcarryx_u32(&x557, &x558, x556, x548, 0x0);
    uint32_t x559;
    fiat_p256_uint1 x560;
    fiat_p256_addcarryx_u32(&x559, &x560, 0x0, x527, x551);
    uint32_t x561;
    fiat_p256_uint1 x562;
    fiat_p256_addcarryx_u32(&x561, &x562, x560, x529, x553);
    uint32_t x563;
    fiat_p256_uint1 x564;
    fiat_p256_addcarryx_u32(&x563, &x564, x562, x531, x555);
    uint32_t x565;
    fiat_p256_uint1 x566;
    fiat_p256_addcarryx_u32(&x565, &x566, x564, x533, x557);
    uint32_t x567;
    fiat_p256_uint1 x568;
    fiat_p256_addcarryx_u32(&x567, &x568, x566, x535, 0x0);
    uint32_t x569;
    fiat_p256_uint1 x570;
    fiat_p256_addcarryx_u32(&x569, &x570, x568, x537, 0x0);
    uint32_t x571;
    fiat_p256_uint1 x572;
    fiat_p256_addcarryx_u32(&x571, &x572, x570, x539, x527);
    uint32_t x573;
    fiat_p256_uint1 x574;
    fiat_p256_addcarryx_u32(&x573, &x574, x572, x541, x545);
    uint32_t x575;
    fiat_p256_uint1 x576;
    fiat_p256_addcarryx_u32(&x575, &x576, x574, x543, x546);
    uint32_t x577;
    fiat_p256_uint1 x578;
    fiat_p256_addcarryx_u32(&x577, &x578, x576, x544, 0x0);
    uint32_t x579;
    uint32_t x580;
    fiat_p256_mulx_u32(&x579, &x580, x7, (arg1[7]));
    uint32_t x581;
    uint32_t x582;
    fiat_p256_mulx_u32(&x581, &x582, x7, (arg1[6]));
    uint32_t x583;
    uint32_t x584;
    fiat_p256_mulx_u32(&x583, &x584, x7, (arg1[5]));
    uint32_t x585;
    uint32_t x586;
    fiat_p256_mulx_u32(&x585, &x586, x7, (arg1[4]));
    uint32_t x587;
    uint32_t x588;
    fiat_p256_mulx_u32(&x587, &x588, x7, (arg1[3]));
    uint32_t x589;
    uint32_t x590;
    fiat_p256_mulx_u32(&x589, &x590, x7, (arg1[2]));
    uint32_t x591;
    uint32_t x592;
    fiat_p256_mulx_u32(&x591, &x592, x7, (arg1[1]));
    uint32_t x593;
    uint32_t x594;
    fiat_p256_mulx_u32(&x593, &x594, x7, (arg1[0]));
    uint32_t x595;
    fiat_p256_uint1 x596;
    fiat_p256_addcarryx_u32(&x595, &x596, 0x0, x594, x591);
    uint32_t x597;
    fiat_p256_uint1 x598;
    fiat_p256_addcarryx_u32(&x597, &x598, x596, x592, x589);
    uint32_t x599;
    fiat_p256_uint1 x600;
    fiat_p256_addcarryx_u32(&x599, &x600, x598, x590, x587);
    uint32_t x601;
    fiat_p256_uint1 x602;
    fiat_p256_addcarryx_u32(&x601, &x602, x600, x588, x585);
    uint32_t x603;
    fiat_p256_uint1 x604;
    fiat_p256_addcarryx_u32(&x603, &x604, x602, x586, x583);
    uint32_t x605;
    fiat_p256_uint1 x606;
    fiat_p256_addcarryx_u32(&x605, &x606, x604, x584, x581);
    uint32_t x607;
    fiat_p256_uint1 x608;
    fiat_p256_addcarryx_u32(&x607, &x608, x606, x582, x579);
    uint32_t x609;
    fiat_p256_uint1 x610;
    fiat_p256_addcarryx_u32(&x609, &x610, x608, x580, 0x0);
    uint32_t x611;
    fiat_p256_uint1 x612;
    fiat_p256_addcarryx_u32(&x611, &x612, 0x0, x561, x593);
    uint32_t x613;
    fiat_p256_uint1 x614;
    fiat_p256_addcarryx_u32(&x613, &x614, x612, x563, x595);
    uint32_t x615;
    fiat_p256_uint1 x616;
    fiat_p256_addcarryx_u32(&x615, &x616, x614, x565, x597);
    uint32_t x617;
    fiat_p256_uint1 x618;
    fiat_p256_addcarryx_u32(&x617, &x618, x616, x567, x599);
    uint32_t x619;
    fiat_p256_uint1 x620;
    fiat_p256_addcarryx_u32(&x619, &x620, x618, x569, x601);
    uint32_t x621;
    fiat_p256_uint1 x622;
    fiat_p256_addcarryx_u32(&x621, &x622, x620, x571, x603);
    uint32_t x623;
    fiat_p256_uint1 x624;
    fiat_p256_addcarryx_u32(&x623, &x624, x622, x573, x605);
    uint32_t x625;
    fiat_p256_uint1 x626;
    fiat_p256_addcarryx_u32(&x625, &x626, x624, x575, x607);
    uint32_t x627;
    fiat_p256_uint1 x628;
    fiat_p256_addcarryx_u32(&x627, &x628, x626, x577, x609);
    uint32_t x629;
    uint32_t x630;
    fiat_p256_mulx_u32(&x629, &x630, x611, UINT32_C(0xffffffff));
    uint32_t x631;
    uint32_t x632;
    fiat_p256_mulx_u32(&x631, &x632, x611, UINT32_C(0xffffffff));
    uint32_t x633;
    uint32_t x634;
    fiat_p256_mulx_u32(&x633, &x634, x611, UINT32_C(0xffffffff));
    uint32_t x635;
    uint32_t x636;
    fiat_p256_mulx_u32(&x635, &x636, x611, UINT32_C(0xffffffff));
    uint32_t x637;
    fiat_p256_uint1 x638;
    fiat_p256_addcarryx_u32(&x637, &x638, 0x0, x636, x633);
    uint32_t x639;
    fiat_p256_uint1 x640;
    fiat_p256_addcarryx_u32(&x639, &x640, x638, x634, x631);
    uint32_t x641;
    fiat_p256_uint1 x642;
    fiat_p256_addcarryx_u32(&x641, &x642, x640, x632, 0x0);
    uint32_t x643;
    fiat_p256_uint1 x644;
    fiat_p256_addcarryx_u32(&x643, &x644, 0x0, x611, x635);
    uint32_t x645;
    fiat_p256_uint1 x646;
    fiat_p256_addcarryx_u32(&x645, &x646, x644, x613, x637);
    uint32_t x647;
    fiat_p256_uint1 x648;
    fiat_p256_addcarryx_u32(&x647, &x648, x646, x615, x639);
    uint32_t x649;
    fiat_p256_uint1 x650;
    fiat_p256_addcarryx_u32(&x649, &x650, x648, x617, x641);
    uint32_t x651;
    fiat_p256_uint1 x652;
    fiat_p256_addcarryx_u32(&x651, &x652, x650, x619, 0x0);
    uint32_t x653;
    fiat_p256_uint1 x654;
    fiat_p256_addcarryx_u32(&x653, &x654, x652, x621, 0x0);
    uint32_t x655;
    fiat_p256_uint1 x656;
    fiat_p256_addcarryx_u32(&x655, &x656, x654, x623, x611);
    uint32_t x657;
    fiat_p256_uint1 x658;
    fiat_p256_addcarryx_u32(&x657, &x658, x656, x625, x629);
    uint32_t x659;
    fiat_p256_uint1 x660;
    fiat_p256_addcarryx_u32(&x659, &x660, x658, x627, x630);
    uint32_t x661;
    fiat_p256_uint1 x662;
    fiat_p256_addcarryx_u32(&x661, &x662, x660, x628, 0x0);
    uint32_t x663;
    fiat_p256_uint1 x664;
    fiat_p256_subborrowx_u32(&x663, &x664, 0x0, x645, UINT32_C(0xffffffff));
    uint32_t x665;
    fiat_p256_uint1 x666;
    fiat_p256_subborrowx_u32(&x665, &x666, x664, x647, UINT32_C(0xffffffff));
    uint32_t x667;
    fiat_p256_uint1 x668;
    fiat_p256_subborrowx_u32(&x667, &x668, x666, x649, UINT32_C(0xffffffff));
    uint32_t x669;
    fiat_p256_uint1 x670;
    fiat_p256_subborrowx_u32(&x669, &x670, x668, x651, 0x0);
    uint32_t x671;
    fiat_p256_uint1 x672;
    fiat_p256_subborrowx_u32(&x671, &x672, x670, x653, 0x0);
    uint32_t x673;
    fiat_p256_uint1 x674;
    fiat_p256_subborrowx_u32(&x673, &x674, x672, x655, 0x0);
    uint32_t x675;
    fiat_p256_uint1 x676;
    fiat_p256_subborrowx_u32(&x675, &x676, x674, x657, 0x1);
    uint32_t x677;
    fiat_p256_uint1 x678;
    fiat_p256_subborrowx_u32(&x677, &x678, x676, x659, UINT32_C(0xffffffff));
    uint32_t x679;
    fiat_p256_uint1 x680;
    fiat_p256_subborrowx_u32(&x679, &x680, x678, x661, 0x0);
    uint32_t x681;
    fiat_p256_cmovznz_u32(&x681, x680, x663, x645);
    uint32_t x682;
    fiat_p256_cmovznz_u32(&x682, x680, x665, x647);
    uint32_t x683;
    fiat_p256_cmovznz_u32(&x683, x680, x667, x649);
    uint32_t x684;
    fiat_p256_cmovznz_u32(&x684, x680, x669, x651);
    uint32_t x685;
    fiat_p256_cmovznz_u32(&x685, x680, x671, x653);
    uint32_t x686;
    fiat_p256_cmovznz_u32(&x686, x680, x673, x655);
    uint32_t x687;
    fiat_p256_cmovznz_u32(&x687, x680, x675, x657);
    uint32_t x688;
    fiat_p256_cmovznz_u32(&x688, x680, x677, x659);
    out1[0] = x681;
    out1[1] = x682;
    out1[2] = x683;
    out1[3] = x684;
    out1[4] = x685;
    out1[5] = x686;
    out1[6] = x687;
    out1[7] = x688;
  }
  
  /*
   * The function fiat_p256_add adds two field elements in the Montgomery domain.
   * Preconditions:
   *   0 ≤ eval arg1 < m
   *   0 ≤ eval arg2 < m
   * Postconditions:
   *   eval (from_montgomery out1) mod m = (eval (from_montgomery arg1) + eval (from_montgomery arg2)) mod m
   *   0 ≤ eval out1 < m
   *
   * Input Bounds:
   *   arg1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
   *   arg2: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
   * Output Bounds:
   *   out1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
   */
  static void fiat_p256_add(uint32_t out1[8], const uint32_t arg1[8], const uint32_t arg2[8]) {
    uint32_t x1;
    fiat_p256_uint1 x2;
    fiat_p256_addcarryx_u32(&x1, &x2, 0x0, (arg1[0]), (arg2[0]));
    uint32_t x3;
    fiat_p256_uint1 x4;
    fiat_p256_addcarryx_u32(&x3, &x4, x2, (arg1[1]), (arg2[1]));
    uint32_t x5;
    fiat_p256_uint1 x6;
    fiat_p256_addcarryx_u32(&x5, &x6, x4, (arg1[2]), (arg2[2]));
    uint32_t x7;
    fiat_p256_uint1 x8;
    fiat_p256_addcarryx_u32(&x7, &x8, x6, (arg1[3]), (arg2[3]));
    uint32_t x9;
    fiat_p256_uint1 x10;
    fiat_p256_addcarryx_u32(&x9, &x10, x8, (arg1[4]), (arg2[4]));
    uint32_t x11;
    fiat_p256_uint1 x12;
    fiat_p256_addcarryx_u32(&x11, &x12, x10, (arg1[5]), (arg2[5]));
    uint32_t x13;
    fiat_p256_uint1 x14;
    fiat_p256_addcarryx_u32(&x13, &x14, x12, (arg1[6]), (arg2[6]));
    uint32_t x15;
    fiat_p256_uint1 x16;
    fiat_p256_addcarryx_u32(&x15, &x16, x14, (arg1[7]), (arg2[7]));
    uint32_t x17;
    fiat_p256_uint1 x18;
    fiat_p256_subborrowx_u32(&x17, &x18, 0x0, x1, UINT32_C(0xffffffff));
    uint32_t x19;
    fiat_p256_uint1 x20;
    fiat_p256_subborrowx_u32(&x19, &x20, x18, x3, UINT32_C(0xffffffff));
    uint32_t x21;
    fiat_p256_uint1 x22;
    fiat_p256_subborrowx_u32(&x21, &x22, x20, x5, UINT32_C(0xffffffff));
    uint32_t x23;
    fiat_p256_uint1 x24;
    fiat_p256_subborrowx_u32(&x23, &x24, x22, x7, 0x0);
    uint32_t x25;
    fiat_p256_uint1 x26;
    fiat_p256_subborrowx_u32(&x25, &x26, x24, x9, 0x0);
    uint32_t x27;
    fiat_p256_uint1 x28;
    fiat_p256_subborrowx_u32(&x27, &x28, x26, x11, 0x0);
    uint32_t x29;
    fiat_p256_uint1 x30;
    fiat_p256_subborrowx_u32(&x29, &x30, x28, x13, 0x1);
    uint32_t x31;
    fiat_p256_uint1 x32;
    fiat_p256_subborrowx_u32(&x31, &x32, x30, x15, UINT32_C(0xffffffff));
    uint32_t x33;
    fiat_p256_uint1 x34;
    fiat_p256_subborrowx_u32(&x33, &x34, x32, x16, 0x0);
    uint32_t x35;
    fiat_p256_cmovznz_u32(&x35, x34, x17, x1);
    uint32_t x36;
    fiat_p256_cmovznz_u32(&x36, x34, x19, x3);
    uint32_t x37;
    fiat_p256_cmovznz_u32(&x37, x34, x21, x5);
    uint32_t x38;
    fiat_p256_cmovznz_u32(&x38, x34, x23, x7);
    uint32_t x39;
    fiat_p256_cmovznz_u32(&x39, x34, x25, x9);
    uint32_t x40;
    fiat_p256_cmovznz_u32(&x40, x34, x27, x11);
    uint32_t x41;
    fiat_p256_cmovznz_u32(&x41, x34, x29, x13);
    uint32_t x42;
    fiat_p256_cmovznz_u32(&x42, x34, x31, x15);
    out1[0] = x35;
    out1[1] = x36;
    out1[2] = x37;
    out1[3] = x38;
    out1[4] = x39;
    out1[5] = x40;
    out1[6] = x41;
    out1[7] = x42;
  }
  
  /*
   * The function fiat_p256_sub subtracts two field elements in the Montgomery domain.
   * Preconditions:
   *   0 ≤ eval arg1 < m
   *   0 ≤ eval arg2 < m
   * Postconditions:
   *   eval (from_montgomery out1) mod m = (eval (from_montgomery arg1) - eval (from_montgomery arg2)) mod m
   *   0 ≤ eval out1 < m
   *
   * Input Bounds:
   *   arg1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
   *   arg2: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
   * Output Bounds:
   *   out1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
   */
  static void fiat_p256_sub(uint32_t out1[8], const uint32_t arg1[8], const uint32_t arg2[8]) {
    uint32_t x1;
    fiat_p256_uint1 x2;
    fiat_p256_subborrowx_u32(&x1, &x2, 0x0, (arg1[0]), (arg2[0]));
    uint32_t x3;
    fiat_p256_uint1 x4;
    fiat_p256_subborrowx_u32(&x3, &x4, x2, (arg1[1]), (arg2[1]));
    uint32_t x5;
    fiat_p256_uint1 x6;
    fiat_p256_subborrowx_u32(&x5, &x6, x4, (arg1[2]), (arg2[2]));
    uint32_t x7;
    fiat_p256_uint1 x8;
    fiat_p256_subborrowx_u32(&x7, &x8, x6, (arg1[3]), (arg2[3]));
    uint32_t x9;
    fiat_p256_uint1 x10;
    fiat_p256_subborrowx_u32(&x9, &x10, x8, (arg1[4]), (arg2[4]));
    uint32_t x11;
    fiat_p256_uint1 x12;
    fiat_p256_subborrowx_u32(&x11, &x12, x10, (arg1[5]), (arg2[5]));
    uint32_t x13;
    fiat_p256_uint1 x14;
    fiat_p256_subborrowx_u32(&x13, &x14, x12, (arg1[6]), (arg2[6]));
    uint32_t x15;
    fiat_p256_uint1 x16;
    fiat_p256_subborrowx_u32(&x15, &x16, x14, (arg1[7]), (arg2[7]));
    uint32_t x17;
    fiat_p256_cmovznz_u32(&x17, x16, 0x0, UINT32_C(0xffffffff));
    uint32_t x18;
    fiat_p256_uint1 x19;
    fiat_p256_addcarryx_u32(&x18, &x19, 0x0, x1, (x17 & UINT32_C(0xffffffff)));
    uint32_t x20;
    fiat_p256_uint1 x21;
    fiat_p256_addcarryx_u32(&x20, &x21, x19, x3, (x17 & UINT32_C(0xffffffff)));
    uint32_t x22;
    fiat_p256_uint1 x23;
    fiat_p256_addcarryx_u32(&x22, &x23, x21, x5, (x17 & UINT32_C(0xffffffff)));
    uint32_t x24;
    fiat_p256_uint1 x25;
    fiat_p256_addcarryx_u32(&x24, &x25, x23, x7, 0x0);
    uint32_t x26;
    fiat_p256_uint1 x27;
    fiat_p256_addcarryx_u32(&x26, &x27, x25, x9, 0x0);
    uint32_t x28;
    fiat_p256_uint1 x29;
    fiat_p256_addcarryx_u32(&x28, &x29, x27, x11, 0x0);
    uint32_t x30;
    fiat_p256_uint1 x31;
    fiat_p256_addcarryx_u32(&x30, &x31, x29, x13, (fiat_p256_uint1)(x17 & 0x1));
    uint32_t x32;
    fiat_p256_uint1 x33;
    fiat_p256_addcarryx_u32(&x32, &x33, x31, x15, (x17 & UINT32_C(0xffffffff)));
    out1[0] = x18;
    out1[1] = x20;
    out1[2] = x22;
    out1[3] = x24;
    out1[4] = x26;
    out1[5] = x28;
    out1[6] = x30;
    out1[7] = x32;
  }
  
  /*
   * The function fiat_p256_opp negates a field element in the Montgomery domain.
   * Preconditions:
   *   0 ≤ eval arg1 < m
   * Postconditions:
   *   eval (from_montgomery out1) mod m = -eval (from_montgomery arg1) mod m
   *   0 ≤ eval out1 < m
   *
   * Input Bounds:
   *   arg1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
   * Output Bounds:
   *   out1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
   */
  static void fiat_p256_opp(uint32_t out1[8], const uint32_t arg1[8]) {
    uint32_t x1;
    fiat_p256_uint1 x2;
    fiat_p256_subborrowx_u32(&x1, &x2, 0x0, 0x0, (arg1[0]));
    uint32_t x3;
    fiat_p256_uint1 x4;
    fiat_p256_subborrowx_u32(&x3, &x4, x2, 0x0, (arg1[1]));
    uint32_t x5;
    fiat_p256_uint1 x6;
    fiat_p256_subborrowx_u32(&x5, &x6, x4, 0x0, (arg1[2]));
    uint32_t x7;
    fiat_p256_uint1 x8;
    fiat_p256_subborrowx_u32(&x7, &x8, x6, 0x0, (arg1[3]));
    uint32_t x9;
    fiat_p256_uint1 x10;
    fiat_p256_subborrowx_u32(&x9, &x10, x8, 0x0, (arg1[4]));
    uint32_t x11;
    fiat_p256_uint1 x12;
    fiat_p256_subborrowx_u32(&x11, &x12, x10, 0x0, (arg1[5]));
    uint32_t x13;
    fiat_p256_uint1 x14;
    fiat_p256_subborrowx_u32(&x13, &x14, x12, 0x0, (arg1[6]));
    uint32_t x15;
    fiat_p256_uint1 x16;
    fiat_p256_subborrowx_u32(&x15, &x16, x14, 0x0, (arg1[7]));
    uint32_t x17;
    fiat_p256_cmovznz_u32(&x17, x16, 0x0, UINT32_C(0xffffffff));
    uint32_t x18;
    fiat_p256_uint1 x19;
    fiat_p256_addcarryx_u32(&x18, &x19, 0x0, x1, (x17 & UINT32_C(0xffffffff)));
    uint32_t x20;
    fiat_p256_uint1 x21;
    fiat_p256_addcarryx_u32(&x20, &x21, x19, x3, (x17 & UINT32_C(0xffffffff)));
    uint32_t x22;
    fiat_p256_uint1 x23;
    fiat_p256_addcarryx_u32(&x22, &x23, x21, x5, (x17 & UINT32_C(0xffffffff)));
    uint32_t x24;
    fiat_p256_uint1 x25;
    fiat_p256_addcarryx_u32(&x24, &x25, x23, x7, 0x0);
    uint32_t x26;
    fiat_p256_uint1 x27;
    fiat_p256_addcarryx_u32(&x26, &x27, x25, x9, 0x0);
    uint32_t x28;
    fiat_p256_uint1 x29;
    fiat_p256_addcarryx_u32(&x28, &x29, x27, x11, 0x0);
    uint32_t x30;
    fiat_p256_uint1 x31;
    fiat_p256_addcarryx_u32(&x30, &x31, x29, x13, (fiat_p256_uint1)(x17 & 0x1));
    uint32_t x32;
    fiat_p256_uint1 x33;
    fiat_p256_addcarryx_u32(&x32, &x33, x31, x15, (x17 & UINT32_C(0xffffffff)));
    out1[0] = x18;
    out1[1] = x20;
    out1[2] = x22;
    out1[3] = x24;
    out1[4] = x26;
    out1[5] = x28;
    out1[6] = x30;
    out1[7] = x32;
  }
  
  /*
   * The function fiat_p256_from_montgomery translates a field element out of the Montgomery domain.
   * Preconditions:
   *   0 ≤ eval arg1 < m
   * Postconditions:
   *   eval out1 mod m = (eval arg1 * ((2^32)⁻¹ mod m)^8) mod m
   *   0 ≤ eval out1 < m
   *
   * Input Bounds:
   *   arg1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
   * Output Bounds:
   *   out1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
   */
  static void fiat_p256_from_montgomery(uint32_t out1[8], const uint32_t arg1[8]) {
    uint32_t x1 = (arg1[0]);
    uint32_t x2;
    uint32_t x3;
    fiat_p256_mulx_u32(&x2, &x3, x1, UINT32_C(0xffffffff));
    uint32_t x4;
    uint32_t x5;
    fiat_p256_mulx_u32(&x4, &x5, x1, UINT32_C(0xffffffff));
    uint32_t x6;
    uint32_t x7;
    fiat_p256_mulx_u32(&x6, &x7, x1, UINT32_C(0xffffffff));
    uint32_t x8;
    uint32_t x9;
    fiat_p256_mulx_u32(&x8, &x9, x1, UINT32_C(0xffffffff));
    uint32_t x10;
    fiat_p256_uint1 x11;
    fiat_p256_addcarryx_u32(&x10, &x11, 0x0, x9, x6);
    uint32_t x12;
    fiat_p256_uint1 x13;
    fiat_p256_addcarryx_u32(&x12, &x13, x11, x7, x4);
    uint32_t x14;
    fiat_p256_uint1 x15;
    fiat_p256_addcarryx_u32(&x14, &x15, 0x0, x1, x8);
    uint32_t x16;
    fiat_p256_uint1 x17;
    fiat_p256_addcarryx_u32(&x16, &x17, x15, 0x0, x10);
    uint32_t x18;
    fiat_p256_uint1 x19;
    fiat_p256_addcarryx_u32(&x18, &x19, x17, 0x0, x12);
    uint32_t x20;
    fiat_p256_uint1 x21;
    fiat_p256_addcarryx_u32(&x20, &x21, x13, x5, 0x0);
    uint32_t x22;
    fiat_p256_uint1 x23;
    fiat_p256_addcarryx_u32(&x22, &x23, x19, 0x0, x20);
    uint32_t x24;
    fiat_p256_uint1 x25;
    fiat_p256_addcarryx_u32(&x24, &x25, 0x0, x16, (arg1[1]));
    uint32_t x26;
    fiat_p256_uint1 x27;
    fiat_p256_addcarryx_u32(&x26, &x27, x25, x18, 0x0);
    uint32_t x28;
    fiat_p256_uint1 x29;
    fiat_p256_addcarryx_u32(&x28, &x29, x27, x22, 0x0);
    uint32_t x30;
    uint32_t x31;
    fiat_p256_mulx_u32(&x30, &x31, x24, UINT32_C(0xffffffff));
    uint32_t x32;
    uint32_t x33;
    fiat_p256_mulx_u32(&x32, &x33, x24, UINT32_C(0xffffffff));
    uint32_t x34;
    uint32_t x35;
    fiat_p256_mulx_u32(&x34, &x35, x24, UINT32_C(0xffffffff));
    uint32_t x36;
    uint32_t x37;
    fiat_p256_mulx_u32(&x36, &x37, x24, UINT32_C(0xffffffff));
    uint32_t x38;
    fiat_p256_uint1 x39;
    fiat_p256_addcarryx_u32(&x38, &x39, 0x0, x37, x34);
    uint32_t x40;
    fiat_p256_uint1 x41;
    fiat_p256_addcarryx_u32(&x40, &x41, x39, x35, x32);
    uint32_t x42;
    fiat_p256_uint1 x43;
    fiat_p256_addcarryx_u32(&x42, &x43, 0x0, x24, x36);
    uint32_t x44;
    fiat_p256_uint1 x45;
    fiat_p256_addcarryx_u32(&x44, &x45, x43, x26, x38);
    uint32_t x46;
    fiat_p256_uint1 x47;
    fiat_p256_addcarryx_u32(&x46, &x47, x45, x28, x40);
    uint32_t x48;
    fiat_p256_uint1 x49;
    fiat_p256_addcarryx_u32(&x48, &x49, x41, x33, 0x0);
    uint32_t x50;
    fiat_p256_uint1 x51;
    fiat_p256_addcarryx_u32(&x50, &x51, x23, 0x0, 0x0);
    uint32_t x52;
    fiat_p256_uint1 x53;
    fiat_p256_addcarryx_u32(&x52, &x53, x29, (fiat_p256_uint1)x50, 0x0);
    uint32_t x54;
    fiat_p256_uint1 x55;
    fiat_p256_addcarryx_u32(&x54, &x55, x47, x52, x48);
    uint32_t x56;
    fiat_p256_uint1 x57;
    fiat_p256_addcarryx_u32(&x56, &x57, 0x0, x2, x24);
    uint32_t x58;
    fiat_p256_uint1 x59;
    fiat_p256_addcarryx_u32(&x58, &x59, x57, x3, x30);
    uint32_t x60;
    fiat_p256_uint1 x61;
    fiat_p256_addcarryx_u32(&x60, &x61, 0x0, x44, (arg1[2]));
    uint32_t x62;
    fiat_p256_uint1 x63;
    fiat_p256_addcarryx_u32(&x62, &x63, x61, x46, 0x0);
    uint32_t x64;
    fiat_p256_uint1 x65;
    fiat_p256_addcarryx_u32(&x64, &x65, x63, x54, 0x0);
    uint32_t x66;
    uint32_t x67;
    fiat_p256_mulx_u32(&x66, &x67, x60, UINT32_C(0xffffffff));
    uint32_t x68;
    uint32_t x69;
    fiat_p256_mulx_u32(&x68, &x69, x60, UINT32_C(0xffffffff));
    uint32_t x70;
    uint32_t x71;
    fiat_p256_mulx_u32(&x70, &x71, x60, UINT32_C(0xffffffff));
    uint32_t x72;
    uint32_t x73;
    fiat_p256_mulx_u32(&x72, &x73, x60, UINT32_C(0xffffffff));
    uint32_t x74;
    fiat_p256_uint1 x75;
    fiat_p256_addcarryx_u32(&x74, &x75, 0x0, x73, x70);
    uint32_t x76;
    fiat_p256_uint1 x77;
    fiat_p256_addcarryx_u32(&x76, &x77, x75, x71, x68);
    uint32_t x78;
    fiat_p256_uint1 x79;
    fiat_p256_addcarryx_u32(&x78, &x79, 0x0, x60, x72);
    uint32_t x80;
    fiat_p256_uint1 x81;
    fiat_p256_addcarryx_u32(&x80, &x81, x79, x62, x74);
    uint32_t x82;
    fiat_p256_uint1 x83;
    fiat_p256_addcarryx_u32(&x82, &x83, x81, x64, x76);
    uint32_t x84;
    fiat_p256_uint1 x85;
    fiat_p256_addcarryx_u32(&x84, &x85, x77, x69, 0x0);
    uint32_t x86;
    fiat_p256_uint1 x87;
    fiat_p256_addcarryx_u32(&x86, &x87, x55, 0x0, 0x0);
    uint32_t x88;
    fiat_p256_uint1 x89;
    fiat_p256_addcarryx_u32(&x88, &x89, x65, (fiat_p256_uint1)x86, 0x0);
    uint32_t x90;
    fiat_p256_uint1 x91;
    fiat_p256_addcarryx_u32(&x90, &x91, x83, x88, x84);
    uint32_t x92;
    fiat_p256_uint1 x93;
    fiat_p256_addcarryx_u32(&x92, &x93, x91, x1, 0x0);
    uint32_t x94;
    fiat_p256_uint1 x95;
    fiat_p256_addcarryx_u32(&x94, &x95, x93, x56, 0x0);
    uint32_t x96;
    fiat_p256_uint1 x97;
    fiat_p256_addcarryx_u32(&x96, &x97, x95, x58, x60);
    uint32_t x98;
    fiat_p256_uint1 x99;
    fiat_p256_addcarryx_u32(&x98, &x99, x59, 0x0, x31);
    uint32_t x100;
    fiat_p256_uint1 x101;
    fiat_p256_addcarryx_u32(&x100, &x101, x97, x98, x66);
    uint32_t x102;
    fiat_p256_uint1 x103;
    fiat_p256_addcarryx_u32(&x102, &x103, 0x0, x80, (arg1[3]));
    uint32_t x104;
    fiat_p256_uint1 x105;
    fiat_p256_addcarryx_u32(&x104, &x105, x103, x82, 0x0);
    uint32_t x106;
    fiat_p256_uint1 x107;
    fiat_p256_addcarryx_u32(&x106, &x107, x105, x90, 0x0);
    uint32_t x108;
    fiat_p256_uint1 x109;
    fiat_p256_addcarryx_u32(&x108, &x109, x107, x92, 0x0);
    uint32_t x110;
    fiat_p256_uint1 x111;
    fiat_p256_addcarryx_u32(&x110, &x111, x109, x94, 0x0);
    uint32_t x112;
    fiat_p256_uint1 x113;
    fiat_p256_addcarryx_u32(&x112, &x113, x111, x96, 0x0);
    uint32_t x114;
    fiat_p256_uint1 x115;
    fiat_p256_addcarryx_u32(&x114, &x115, x113, x100, 0x0);
    uint32_t x116;
    fiat_p256_uint1 x117;
    fiat_p256_addcarryx_u32(&x116, &x117, x101, 0x0, x67);
    uint32_t x118;
    fiat_p256_uint1 x119;
    fiat_p256_addcarryx_u32(&x118, &x119, x115, x116, 0x0);
    uint32_t x120;
    uint32_t x121;
    fiat_p256_mulx_u32(&x120, &x121, x102, UINT32_C(0xffffffff));
    uint32_t x122;
    uint32_t x123;
    fiat_p256_mulx_u32(&x122, &x123, x102, UINT32_C(0xffffffff));
    uint32_t x124;
    uint32_t x125;
    fiat_p256_mulx_u32(&x124, &x125, x102, UINT32_C(0xffffffff));
    uint32_t x126;
    uint32_t x127;
    fiat_p256_mulx_u32(&x126, &x127, x102, UINT32_C(0xffffffff));
    uint32_t x128;
    fiat_p256_uint1 x129;
    fiat_p256_addcarryx_u32(&x128, &x129, 0x0, x127, x124);
    uint32_t x130;
    fiat_p256_uint1 x131;
    fiat_p256_addcarryx_u32(&x130, &x131, x129, x125, x122);
    uint32_t x132;
    fiat_p256_uint1 x133;
    fiat_p256_addcarryx_u32(&x132, &x133, 0x0, x102, x126);
    uint32_t x134;
    fiat_p256_uint1 x135;
    fiat_p256_addcarryx_u32(&x134, &x135, x133, x104, x128);
    uint32_t x136;
    fiat_p256_uint1 x137;
    fiat_p256_addcarryx_u32(&x136, &x137, x135, x106, x130);
    uint32_t x138;
    fiat_p256_uint1 x139;
    fiat_p256_addcarryx_u32(&x138, &x139, x131, x123, 0x0);
    uint32_t x140;
    fiat_p256_uint1 x141;
    fiat_p256_addcarryx_u32(&x140, &x141, x137, x108, x138);
    uint32_t x142;
    fiat_p256_uint1 x143;
    fiat_p256_addcarryx_u32(&x142, &x143, x141, x110, 0x0);
    uint32_t x144;
    fiat_p256_uint1 x145;
    fiat_p256_addcarryx_u32(&x144, &x145, x143, x112, 0x0);
    uint32_t x146;
    fiat_p256_uint1 x147;
    fiat_p256_addcarryx_u32(&x146, &x147, x145, x114, x102);
    uint32_t x148;
    fiat_p256_uint1 x149;
    fiat_p256_addcarryx_u32(&x148, &x149, x147, x118, x120);
    uint32_t x150;
    fiat_p256_uint1 x151;
    fiat_p256_addcarryx_u32(&x150, &x151, x119, 0x0, 0x0);
    uint32_t x152;
    fiat_p256_uint1 x153;
    fiat_p256_addcarryx_u32(&x152, &x153, x149, (fiat_p256_uint1)x150, x121);
    uint32_t x154;
    fiat_p256_uint1 x155;
    fiat_p256_addcarryx_u32(&x154, &x155, 0x0, x134, (arg1[4]));
    uint32_t x156;
    fiat_p256_uint1 x157;
    fiat_p256_addcarryx_u32(&x156, &x157, x155, x136, 0x0);
    uint32_t x158;
    fiat_p256_uint1 x159;
    fiat_p256_addcarryx_u32(&x158, &x159, x157, x140, 0x0);
    uint32_t x160;
    fiat_p256_uint1 x161;
    fiat_p256_addcarryx_u32(&x160, &x161, x159, x142, 0x0);
    uint32_t x162;
    fiat_p256_uint1 x163;
    fiat_p256_addcarryx_u32(&x162, &x163, x161, x144, 0x0);
    uint32_t x164;
    fiat_p256_uint1 x165;
    fiat_p256_addcarryx_u32(&x164, &x165, x163, x146, 0x0);
    uint32_t x166;
    fiat_p256_uint1 x167;
    fiat_p256_addcarryx_u32(&x166, &x167, x165, x148, 0x0);
    uint32_t x168;
    fiat_p256_uint1 x169;
    fiat_p256_addcarryx_u32(&x168, &x169, x167, x152, 0x0);
    uint32_t x170;
    uint32_t x171;
    fiat_p256_mulx_u32(&x170, &x171, x154, UINT32_C(0xffffffff));
    uint32_t x172;
    uint32_t x173;
    fiat_p256_mulx_u32(&x172, &x173, x154, UINT32_C(0xffffffff));
    uint32_t x174;
    uint32_t x175;
    fiat_p256_mulx_u32(&x174, &x175, x154, UINT32_C(0xffffffff));
    uint32_t x176;
    uint32_t x177;
    fiat_p256_mulx_u32(&x176, &x177, x154, UINT32_C(0xffffffff));
    uint32_t x178;
    fiat_p256_uint1 x179;
    fiat_p256_addcarryx_u32(&x178, &x179, 0x0, x177, x174);
    uint32_t x180;
    fiat_p256_uint1 x181;
    fiat_p256_addcarryx_u32(&x180, &x181, x179, x175, x172);
    uint32_t x182;
    fiat_p256_uint1 x183;
    fiat_p256_addcarryx_u32(&x182, &x183, 0x0, x154, x176);
    uint32_t x184;
    fiat_p256_uint1 x185;
    fiat_p256_addcarryx_u32(&x184, &x185, x183, x156, x178);
    uint32_t x186;
    fiat_p256_uint1 x187;
    fiat_p256_addcarryx_u32(&x186, &x187, x185, x158, x180);
    uint32_t x188;
    fiat_p256_uint1 x189;
    fiat_p256_addcarryx_u32(&x188, &x189, x181, x173, 0x0);
    uint32_t x190;
    fiat_p256_uint1 x191;
    fiat_p256_addcarryx_u32(&x190, &x191, x187, x160, x188);
    uint32_t x192;
    fiat_p256_uint1 x193;
    fiat_p256_addcarryx_u32(&x192, &x193, x191, x162, 0x0);
    uint32_t x194;
    fiat_p256_uint1 x195;
    fiat_p256_addcarryx_u32(&x194, &x195, x193, x164, 0x0);
    uint32_t x196;
    fiat_p256_uint1 x197;
    fiat_p256_addcarryx_u32(&x196, &x197, x195, x166, x154);
    uint32_t x198;
    fiat_p256_uint1 x199;
    fiat_p256_addcarryx_u32(&x198, &x199, x197, x168, x170);
    uint32_t x200;
    fiat_p256_uint1 x201;
    fiat_p256_addcarryx_u32(&x200, &x201, x153, 0x0, 0x0);
    uint32_t x202;
    fiat_p256_uint1 x203;
    fiat_p256_addcarryx_u32(&x202, &x203, x169, (fiat_p256_uint1)x200, 0x0);
    uint32_t x204;
    fiat_p256_uint1 x205;
    fiat_p256_addcarryx_u32(&x204, &x205, x199, x202, x171);
    uint32_t x206;
    fiat_p256_uint1 x207;
    fiat_p256_addcarryx_u32(&x206, &x207, 0x0, x184, (arg1[5]));
    uint32_t x208;
    fiat_p256_uint1 x209;
    fiat_p256_addcarryx_u32(&x208, &x209, x207, x186, 0x0);
    uint32_t x210;
    fiat_p256_uint1 x211;
    fiat_p256_addcarryx_u32(&x210, &x211, x209, x190, 0x0);
    uint32_t x212;
    fiat_p256_uint1 x213;
    fiat_p256_addcarryx_u32(&x212, &x213, x211, x192, 0x0);
    uint32_t x214;
    fiat_p256_uint1 x215;
    fiat_p256_addcarryx_u32(&x214, &x215, x213, x194, 0x0);
    uint32_t x216;
    fiat_p256_uint1 x217;
    fiat_p256_addcarryx_u32(&x216, &x217, x215, x196, 0x0);
    uint32_t x218;
    fiat_p256_uint1 x219;
    fiat_p256_addcarryx_u32(&x218, &x219, x217, x198, 0x0);
    uint32_t x220;
    fiat_p256_uint1 x221;
    fiat_p256_addcarryx_u32(&x220, &x221, x219, x204, 0x0);
    uint32_t x222;
    uint32_t x223;
    fiat_p256_mulx_u32(&x222, &x223, x206, UINT32_C(0xffffffff));
    uint32_t x224;
    uint32_t x225;
    fiat_p256_mulx_u32(&x224, &x225, x206, UINT32_C(0xffffffff));
    uint32_t x226;
    uint32_t x227;
    fiat_p256_mulx_u32(&x226, &x227, x206, UINT32_C(0xffffffff));
    uint32_t x228;
    uint32_t x229;
    fiat_p256_mulx_u32(&x228, &x229, x206, UINT32_C(0xffffffff));
    uint32_t x230;
    fiat_p256_uint1 x231;
    fiat_p256_addcarryx_u32(&x230, &x231, 0x0, x229, x226);
    uint32_t x232;
    fiat_p256_uint1 x233;
    fiat_p256_addcarryx_u32(&x232, &x233, x231, x227, x224);
    uint32_t x234;
    fiat_p256_uint1 x235;
    fiat_p256_addcarryx_u32(&x234, &x235, 0x0, x206, x228);
    uint32_t x236;
    fiat_p256_uint1 x237;
    fiat_p256_addcarryx_u32(&x236, &x237, x235, x208, x230);
    uint32_t x238;
    fiat_p256_uint1 x239;
    fiat_p256_addcarryx_u32(&x238, &x239, x237, x210, x232);
    uint32_t x240;
    fiat_p256_uint1 x241;
    fiat_p256_addcarryx_u32(&x240, &x241, x233, x225, 0x0);
    uint32_t x242;
    fiat_p256_uint1 x243;
    fiat_p256_addcarryx_u32(&x242, &x243, x239, x212, x240);
    uint32_t x244;
    fiat_p256_uint1 x245;
    fiat_p256_addcarryx_u32(&x244, &x245, x243, x214, 0x0);
    uint32_t x246;
    fiat_p256_uint1 x247;
    fiat_p256_addcarryx_u32(&x246, &x247, x245, x216, 0x0);
    uint32_t x248;
    fiat_p256_uint1 x249;
    fiat_p256_addcarryx_u32(&x248, &x249, x247, x218, x206);
    uint32_t x250;
    fiat_p256_uint1 x251;
    fiat_p256_addcarryx_u32(&x250, &x251, x249, x220, x222);
    uint32_t x252;
    fiat_p256_uint1 x253;
    fiat_p256_addcarryx_u32(&x252, &x253, x205, 0x0, 0x0);
    uint32_t x254;
    fiat_p256_uint1 x255;
    fiat_p256_addcarryx_u32(&x254, &x255, x221, (fiat_p256_uint1)x252, 0x0);
    uint32_t x256;
    fiat_p256_uint1 x257;
    fiat_p256_addcarryx_u32(&x256, &x257, x251, x254, x223);
    uint32_t x258;
    fiat_p256_uint1 x259;
    fiat_p256_addcarryx_u32(&x258, &x259, 0x0, x236, (arg1[6]));
    uint32_t x260;
    fiat_p256_uint1 x261;
    fiat_p256_addcarryx_u32(&x260, &x261, x259, x238, 0x0);
    uint32_t x262;
    fiat_p256_uint1 x263;
    fiat_p256_addcarryx_u32(&x262, &x263, x261, x242, 0x0);
    uint32_t x264;
    fiat_p256_uint1 x265;
    fiat_p256_addcarryx_u32(&x264, &x265, x263, x244, 0x0);
    uint32_t x266;
    fiat_p256_uint1 x267;
    fiat_p256_addcarryx_u32(&x266, &x267, x265, x246, 0x0);
    uint32_t x268;
    fiat_p256_uint1 x269;
    fiat_p256_addcarryx_u32(&x268, &x269, x267, x248, 0x0);
    uint32_t x270;
    fiat_p256_uint1 x271;
    fiat_p256_addcarryx_u32(&x270, &x271, x269, x250, 0x0);
    uint32_t x272;
    fiat_p256_uint1 x273;
    fiat_p256_addcarryx_u32(&x272, &x273, x271, x256, 0x0);
    uint32_t x274;
    uint32_t x275;
    fiat_p256_mulx_u32(&x274, &x275, x258, UINT32_C(0xffffffff));
    uint32_t x276;
    uint32_t x277;
    fiat_p256_mulx_u32(&x276, &x277, x258, UINT32_C(0xffffffff));
    uint32_t x278;
    uint32_t x279;
    fiat_p256_mulx_u32(&x278, &x279, x258, UINT32_C(0xffffffff));
    uint32_t x280;
    uint32_t x281;
    fiat_p256_mulx_u32(&x280, &x281, x258, UINT32_C(0xffffffff));
    uint32_t x282;
    fiat_p256_uint1 x283;
    fiat_p256_addcarryx_u32(&x282, &x283, 0x0, x281, x278);
    uint32_t x284;
    fiat_p256_uint1 x285;
    fiat_p256_addcarryx_u32(&x284, &x285, x283, x279, x276);
    uint32_t x286;
    fiat_p256_uint1 x287;
    fiat_p256_addcarryx_u32(&x286, &x287, 0x0, x258, x280);
    uint32_t x288;
    fiat_p256_uint1 x289;
    fiat_p256_addcarryx_u32(&x288, &x289, x287, x260, x282);
    uint32_t x290;
    fiat_p256_uint1 x291;
    fiat_p256_addcarryx_u32(&x290, &x291, x289, x262, x284);
    uint32_t x292;
    fiat_p256_uint1 x293;
    fiat_p256_addcarryx_u32(&x292, &x293, x285, x277, 0x0);
    uint32_t x294;
    fiat_p256_uint1 x295;
    fiat_p256_addcarryx_u32(&x294, &x295, x291, x264, x292);
    uint32_t x296;
    fiat_p256_uint1 x297;
    fiat_p256_addcarryx_u32(&x296, &x297, x295, x266, 0x0);
    uint32_t x298;
    fiat_p256_uint1 x299;
    fiat_p256_addcarryx_u32(&x298, &x299, x297, x268, 0x0);
    uint32_t x300;
    fiat_p256_uint1 x301;
    fiat_p256_addcarryx_u32(&x300, &x301, x299, x270, x258);
    uint32_t x302;
    fiat_p256_uint1 x303;
    fiat_p256_addcarryx_u32(&x302, &x303, x301, x272, x274);
    uint32_t x304;
    fiat_p256_uint1 x305;
    fiat_p256_addcarryx_u32(&x304, &x305, x257, 0x0, 0x0);
    uint32_t x306;
    fiat_p256_uint1 x307;
    fiat_p256_addcarryx_u32(&x306, &x307, x273, (fiat_p256_uint1)x304, 0x0);
    uint32_t x308;
    fiat_p256_uint1 x309;
    fiat_p256_addcarryx_u32(&x308, &x309, x303, x306, x275);
    uint32_t x310;
    fiat_p256_uint1 x311;
    fiat_p256_addcarryx_u32(&x310, &x311, 0x0, x288, (arg1[7]));
    uint32_t x312;
    fiat_p256_uint1 x313;
    fiat_p256_addcarryx_u32(&x312, &x313, x311, x290, 0x0);
    uint32_t x314;
    fiat_p256_uint1 x315;
    fiat_p256_addcarryx_u32(&x314, &x315, x313, x294, 0x0);
    uint32_t x316;
    fiat_p256_uint1 x317;
    fiat_p256_addcarryx_u32(&x316, &x317, x315, x296, 0x0);
    uint32_t x318;
    fiat_p256_uint1 x319;
    fiat_p256_addcarryx_u32(&x318, &x319, x317, x298, 0x0);
    uint32_t x320;
    fiat_p256_uint1 x321;
    fiat_p256_addcarryx_u32(&x320, &x321, x319, x300, 0x0);
    uint32_t x322;
    fiat_p256_uint1 x323;
    fiat_p256_addcarryx_u32(&x322, &x323, x321, x302, 0x0);
    uint32_t x324;
    fiat_p256_uint1 x325;
    fiat_p256_addcarryx_u32(&x324, &x325, x323, x308, 0x0);
    uint32_t x326;
    uint32_t x327;
    fiat_p256_mulx_u32(&x326, &x327, x310, UINT32_C(0xffffffff));
    uint32_t x328;
    uint32_t x329;
    fiat_p256_mulx_u32(&x328, &x329, x310, UINT32_C(0xffffffff));
    uint32_t x330;
    uint32_t x331;
    fiat_p256_mulx_u32(&x330, &x331, x310, UINT32_C(0xffffffff));
    uint32_t x332;
    uint32_t x333;
    fiat_p256_mulx_u32(&x332, &x333, x310, UINT32_C(0xffffffff));
    uint32_t x334;
    fiat_p256_uint1 x335;
    fiat_p256_addcarryx_u32(&x334, &x335, 0x0, x333, x330);
    uint32_t x336;
    fiat_p256_uint1 x337;
    fiat_p256_addcarryx_u32(&x336, &x337, x335, x331, x328);
    uint32_t x338;
    fiat_p256_uint1 x339;
    fiat_p256_addcarryx_u32(&x338, &x339, 0x0, x310, x332);
    uint32_t x340;
    fiat_p256_uint1 x341;
    fiat_p256_addcarryx_u32(&x340, &x341, x339, x312, x334);
    uint32_t x342;
    fiat_p256_uint1 x343;
    fiat_p256_addcarryx_u32(&x342, &x343, x341, x314, x336);
    uint32_t x344;
    fiat_p256_uint1 x345;
    fiat_p256_addcarryx_u32(&x344, &x345, x337, x329, 0x0);
    uint32_t x346;
    fiat_p256_uint1 x347;
    fiat_p256_addcarryx_u32(&x346, &x347, x343, x316, x344);
    uint32_t x348;
    fiat_p256_uint1 x349;
    fiat_p256_addcarryx_u32(&x348, &x349, x347, x318, 0x0);
    uint32_t x350;
    fiat_p256_uint1 x351;
    fiat_p256_addcarryx_u32(&x350, &x351, x349, x320, 0x0);
    uint32_t x352;
    fiat_p256_uint1 x353;
    fiat_p256_addcarryx_u32(&x352, &x353, x351, x322, x310);
    uint32_t x354;
    fiat_p256_uint1 x355;
    fiat_p256_addcarryx_u32(&x354, &x355, x353, x324, x326);
    uint32_t x356;
    fiat_p256_uint1 x357;
    fiat_p256_addcarryx_u32(&x356, &x357, x309, 0x0, 0x0);
    uint32_t x358;
    fiat_p256_uint1 x359;
    fiat_p256_addcarryx_u32(&x358, &x359, x325, (fiat_p256_uint1)x356, 0x0);
    uint32_t x360;
    fiat_p256_uint1 x361;
    fiat_p256_addcarryx_u32(&x360, &x361, x355, x358, x327);
    uint32_t x362;
    fiat_p256_uint1 x363;
    fiat_p256_subborrowx_u32(&x362, &x363, 0x0, x340, UINT32_C(0xffffffff));
    uint32_t x364;
    fiat_p256_uint1 x365;
    fiat_p256_subborrowx_u32(&x364, &x365, x363, x342, UINT32_C(0xffffffff));
    uint32_t x366;
    fiat_p256_uint1 x367;
    fiat_p256_subborrowx_u32(&x366, &x367, x365, x346, UINT32_C(0xffffffff));
    uint32_t x368;
    fiat_p256_uint1 x369;
    fiat_p256_subborrowx_u32(&x368, &x369, x367, x348, 0x0);
    uint32_t x370;
    fiat_p256_uint1 x371;
    fiat_p256_subborrowx_u32(&x370, &x371, x369, x350, 0x0);
    uint32_t x372;
    fiat_p256_uint1 x373;
    fiat_p256_subborrowx_u32(&x372, &x373, x371, x352, 0x0);
    uint32_t x374;
    fiat_p256_uint1 x375;
    fiat_p256_subborrowx_u32(&x374, &x375, x373, x354, 0x1);
    uint32_t x376;
    fiat_p256_uint1 x377;
    fiat_p256_subborrowx_u32(&x376, &x377, x375, x360, UINT32_C(0xffffffff));
    uint32_t x378;
    fiat_p256_uint1 x379;
    fiat_p256_addcarryx_u32(&x378, &x379, x361, 0x0, 0x0);
    uint32_t x380;
    fiat_p256_uint1 x381;
    fiat_p256_subborrowx_u32(&x380, &x381, x377, (fiat_p256_uint1)x378, 0x0);
    uint32_t x382;
    fiat_p256_cmovznz_u32(&x382, x381, x362, x340);
    uint32_t x383;
    fiat_p256_cmovznz_u32(&x383, x381, x364, x342);
    uint32_t x384;
    fiat_p256_cmovznz_u32(&x384, x381, x366, x346);
    uint32_t x385;
    fiat_p256_cmovznz_u32(&x385, x381, x368, x348);
    uint32_t x386;
    fiat_p256_cmovznz_u32(&x386, x381, x370, x350);
    uint32_t x387;
    fiat_p256_cmovznz_u32(&x387, x381, x372, x352);
    uint32_t x388;
    fiat_p256_cmovznz_u32(&x388, x381, x374, x354);
    uint32_t x389;
    fiat_p256_cmovznz_u32(&x389, x381, x376, x360);
    out1[0] = x382;
    out1[1] = x383;
    out1[2] = x384;
    out1[3] = x385;
    out1[4] = x386;
    out1[5] = x387;
    out1[6] = x388;
    out1[7] = x389;
  }
  
  /*
   * The function fiat_p256_nonzero outputs a single non-zero word if the input is non-zero and zero otherwise.
   * Preconditions:
   *   0 ≤ eval arg1 < m
   * Postconditions:
   *   out1 = 0 ↔ eval (from_montgomery arg1) mod m = 0
   *
   * Input Bounds:
   *   arg1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
   * Output Bounds:
   *   out1: [0x0 ~> 0xffffffff]
   */
  static void fiat_p256_nonzero(uint32_t* out1, const uint32_t arg1[8]) {
    uint32_t x1 = ((arg1[0]) | ((arg1[1]) | ((arg1[2]) | ((arg1[3]) | ((arg1[4]) | ((arg1[5]) | ((arg1[6]) | ((arg1[7]) | (uint32_t)0x0))))))));
    *out1 = x1;
  }
  
  /*
   * The function fiat_p256_selectznz is a multi-limb conditional select.
   * Postconditions:
   *   eval out1 = (if arg1 = 0 then eval arg2 else eval arg3)
   *
   * Input Bounds:
   *   arg1: [0x0 ~> 0x1]
   *   arg2: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
   *   arg3: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
   * Output Bounds:
   *   out1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
   */
  static void fiat_p256_selectznz(uint32_t out1[8], fiat_p256_uint1 arg1, const uint32_t arg2[8], const uint32_t arg3[8]) {
    uint32_t x1;
    fiat_p256_cmovznz_u32(&x1, arg1, (arg2[0]), (arg3[0]));
    uint32_t x2;
    fiat_p256_cmovznz_u32(&x2, arg1, (arg2[1]), (arg3[1]));
    uint32_t x3;
    fiat_p256_cmovznz_u32(&x3, arg1, (arg2[2]), (arg3[2]));
    uint32_t x4;
    fiat_p256_cmovznz_u32(&x4, arg1, (arg2[3]), (arg3[3]));
    uint32_t x5;
    fiat_p256_cmovznz_u32(&x5, arg1, (arg2[4]), (arg3[4]));
    uint32_t x6;
    fiat_p256_cmovznz_u32(&x6, arg1, (arg2[5]), (arg3[5]));
    uint32_t x7;
    fiat_p256_cmovznz_u32(&x7, arg1, (arg2[6]), (arg3[6]));
    uint32_t x8;
    fiat_p256_cmovznz_u32(&x8, arg1, (arg2[7]), (arg3[7]));
    out1[0] = x1;
    out1[1] = x2;
    out1[2] = x3;
    out1[3] = x4;
    out1[4] = x5;
    out1[5] = x6;
    out1[6] = x7;
    out1[7] = x8;
  }
  
  /*
   * The function fiat_p256_to_bytes serializes a field element in the Montgomery domain to bytes in little-endian order.
   * Preconditions:
   *   0 ≤ eval arg1 < m
   * Postconditions:
   *   out1 = map (λ x, ⌊((eval arg1 mod m) mod 2^(8 * (x + 1))) / 2^(8 * x)⌋) [0..31]
   *
   * Input Bounds:
   *   arg1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
   * Output Bounds:
   *   out1: [[0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff]]
   */
  static void fiat_p256_to_bytes(uint8_t out1[32], const uint32_t arg1[8]) {
    uint32_t x1 = (arg1[7]);
    uint32_t x2 = (arg1[6]);
    uint32_t x3 = (arg1[5]);
    uint32_t x4 = (arg1[4]);
    uint32_t x5 = (arg1[3]);
    uint32_t x6 = (arg1[2]);
    uint32_t x7 = (arg1[1]);
    uint32_t x8 = (arg1[0]);
    uint32_t x9 = (x8 >> 8);
    uint8_t x10 = (uint8_t)(x8 & UINT8_C(0xff));
    uint32_t x11 = (x9 >> 8);
    uint8_t x12 = (uint8_t)(x9 & UINT8_C(0xff));
    uint8_t x13 = (uint8_t)(x11 >> 8);
    uint8_t x14 = (uint8_t)(x11 & UINT8_C(0xff));
    uint8_t x15 = (uint8_t)(x13 & UINT8_C(0xff));
    uint32_t x16 = (x7 >> 8);
    uint8_t x17 = (uint8_t)(x7 & UINT8_C(0xff));
    uint32_t x18 = (x16 >> 8);
    uint8_t x19 = (uint8_t)(x16 & UINT8_C(0xff));
    uint8_t x20 = (uint8_t)(x18 >> 8);
    uint8_t x21 = (uint8_t)(x18 & UINT8_C(0xff));
    uint8_t x22 = (uint8_t)(x20 & UINT8_C(0xff));
    uint32_t x23 = (x6 >> 8);
    uint8_t x24 = (uint8_t)(x6 & UINT8_C(0xff));
    uint32_t x25 = (x23 >> 8);
    uint8_t x26 = (uint8_t)(x23 & UINT8_C(0xff));
    uint8_t x27 = (uint8_t)(x25 >> 8);
    uint8_t x28 = (uint8_t)(x25 & UINT8_C(0xff));
    uint8_t x29 = (uint8_t)(x27 & UINT8_C(0xff));
    uint32_t x30 = (x5 >> 8);
    uint8_t x31 = (uint8_t)(x5 & UINT8_C(0xff));
    uint32_t x32 = (x30 >> 8);
    uint8_t x33 = (uint8_t)(x30 & UINT8_C(0xff));
    uint8_t x34 = (uint8_t)(x32 >> 8);
    uint8_t x35 = (uint8_t)(x32 & UINT8_C(0xff));
    uint8_t x36 = (uint8_t)(x34 & UINT8_C(0xff));
    uint32_t x37 = (x4 >> 8);
    uint8_t x38 = (uint8_t)(x4 & UINT8_C(0xff));
    uint32_t x39 = (x37 >> 8);
    uint8_t x40 = (uint8_t)(x37 & UINT8_C(0xff));
    uint8_t x41 = (uint8_t)(x39 >> 8);
    uint8_t x42 = (uint8_t)(x39 & UINT8_C(0xff));
    uint8_t x43 = (uint8_t)(x41 & UINT8_C(0xff));
    uint32_t x44 = (x3 >> 8);
    uint8_t x45 = (uint8_t)(x3 & UINT8_C(0xff));
    uint32_t x46 = (x44 >> 8);
    uint8_t x47 = (uint8_t)(x44 & UINT8_C(0xff));
    uint8_t x48 = (uint8_t)(x46 >> 8);
    uint8_t x49 = (uint8_t)(x46 & UINT8_C(0xff));
    uint8_t x50 = (uint8_t)(x48 & UINT8_C(0xff));
    uint32_t x51 = (x2 >> 8);
    uint8_t x52 = (uint8_t)(x2 & UINT8_C(0xff));
    uint32_t x53 = (x51 >> 8);
    uint8_t x54 = (uint8_t)(x51 & UINT8_C(0xff));
    uint8_t x55 = (uint8_t)(x53 >> 8);
    uint8_t x56 = (uint8_t)(x53 & UINT8_C(0xff));
    uint8_t x57 = (uint8_t)(x55 & UINT8_C(0xff));
    uint32_t x58 = (x1 >> 8);
    uint8_t x59 = (uint8_t)(x1 & UINT8_C(0xff));
    uint32_t x60 = (x58 >> 8);
    uint8_t x61 = (uint8_t)(x58 & UINT8_C(0xff));
    uint8_t x62 = (uint8_t)(x60 >> 8);
    uint8_t x63 = (uint8_t)(x60 & UINT8_C(0xff));
    out1[0] = x10;
    out1[1] = x12;
    out1[2] = x14;
    out1[3] = x15;
    out1[4] = x17;
    out1[5] = x19;
    out1[6] = x21;
    out1[7] = x22;
    out1[8] = x24;
    out1[9] = x26;
    out1[10] = x28;
    out1[11] = x29;
    out1[12] = x31;
    out1[13] = x33;
    out1[14] = x35;
    out1[15] = x36;
    out1[16] = x38;
    out1[17] = x40;
    out1[18] = x42;
    out1[19] = x43;
    out1[20] = x45;
    out1[21] = x47;
    out1[22] = x49;
    out1[23] = x50;
    out1[24] = x52;
    out1[25] = x54;
    out1[26] = x56;
    out1[27] = x57;
    out1[28] = x59;
    out1[29] = x61;
    out1[30] = x63;
    out1[31] = x62;
  }
  
  /*
   * The function fiat_p256_from_bytes deserializes a field element in the Montgomery domain from bytes in little-endian order.
   * Preconditions:
   *   0 ≤ bytes_eval arg1 < m
   * Postconditions:
   *   eval out1 mod m = bytes_eval arg1 mod m
   *   0 ≤ eval out1 < m
   *
   * Input Bounds:
   *   arg1: [[0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff]]
   * Output Bounds:
   *   out1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
   */
  static void fiat_p256_from_bytes(uint32_t out1[8], const uint8_t arg1[32]) {
    uint32_t x1 = ((uint32_t)(arg1[31]) << 24);
    uint32_t x2 = ((uint32_t)(arg1[30]) << 16);
    uint32_t x3 = ((uint32_t)(arg1[29]) << 8);
    uint8_t x4 = (arg1[28]);
    uint32_t x5 = ((uint32_t)(arg1[27]) << 24);
    uint32_t x6 = ((uint32_t)(arg1[26]) << 16);
    uint32_t x7 = ((uint32_t)(arg1[25]) << 8);
    uint8_t x8 = (arg1[24]);
    uint32_t x9 = ((uint32_t)(arg1[23]) << 24);
    uint32_t x10 = ((uint32_t)(arg1[22]) << 16);
    uint32_t x11 = ((uint32_t)(arg1[21]) << 8);
    uint8_t x12 = (arg1[20]);
    uint32_t x13 = ((uint32_t)(arg1[19]) << 24);
    uint32_t x14 = ((uint32_t)(arg1[18]) << 16);
    uint32_t x15 = ((uint32_t)(arg1[17]) << 8);
    uint8_t x16 = (arg1[16]);
    uint32_t x17 = ((uint32_t)(arg1[15]) << 24);
    uint32_t x18 = ((uint32_t)(arg1[14]) << 16);
    uint32_t x19 = ((uint32_t)(arg1[13]) << 8);
    uint8_t x20 = (arg1[12]);
    uint32_t x21 = ((uint32_t)(arg1[11]) << 24);
    uint32_t x22 = ((uint32_t)(arg1[10]) << 16);
    uint32_t x23 = ((uint32_t)(arg1[9]) << 8);
    uint8_t x24 = (arg1[8]);
    uint32_t x25 = ((uint32_t)(arg1[7]) << 24);
    uint32_t x26 = ((uint32_t)(arg1[6]) << 16);
    uint32_t x27 = ((uint32_t)(arg1[5]) << 8);
    uint8_t x28 = (arg1[4]);
    uint32_t x29 = ((uint32_t)(arg1[3]) << 24);
    uint32_t x30 = ((uint32_t)(arg1[2]) << 16);
    uint32_t x31 = ((uint32_t)(arg1[1]) << 8);
    uint8_t x32 = (arg1[0]);
    uint32_t x33 = (x32 + (x31 + (x30 + x29)));
    uint32_t x34 = (x33 & UINT32_C(0xffffffff));
    uint32_t x35 = (x4 + (x3 + (x2 + x1)));
    uint32_t x36 = (x8 + (x7 + (x6 + x5)));
    uint32_t x37 = (x12 + (x11 + (x10 + x9)));
    uint32_t x38 = (x16 + (x15 + (x14 + x13)));
    uint32_t x39 = (x20 + (x19 + (x18 + x17)));
    uint32_t x40 = (x24 + (x23 + (x22 + x21)));
    uint32_t x41 = (x28 + (x27 + (x26 + x25)));
    uint32_t x42 = (x41 & UINT32_C(0xffffffff));
    uint32_t x43 = (x40 & UINT32_C(0xffffffff));
    uint32_t x44 = (x39 & UINT32_C(0xffffffff));
    uint32_t x45 = (x38 & UINT32_C(0xffffffff));
    uint32_t x46 = (x37 & UINT32_C(0xffffffff));
    uint32_t x47 = (x36 & UINT32_C(0xffffffff));
    out1[0] = x34;
    out1[1] = x42;
    out1[2] = x43;
    out1[3] = x44;
    out1[4] = x45;
    out1[5] = x46;
    out1[6] = x47;
    out1[7] = x35;
  }
  
  