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      1 /* Autogenerated */
      2 /* curve description: p256 */
      3 /* requested operations: (all) */
      4 /* m = 0xffffffff00000001000000000000000000000000ffffffffffffffffffffffff (from "2^256 - 2^224 + 2^192 + 2^96 - 1") */
      5 /* machine_wordsize = 32 (from "32") */
      6 /*                                                                    */
      7 /* NOTE: In addition to the bounds specified above each function, all */
      8 /*   functions synthesized for this Montgomery arithmetic require the */
      9 /*   input to be strictly less than the prime modulus (m), and also   */
     10 /*   require the input to be in the unique saturated representation.  */
     11 /*   All functions also ensure that these two properties are true of  */
     12 /*   return values.                                                   */
     13 
     14 #include <stdint.h>
     15 typedef unsigned char fiat_p256_uint1;
     16 typedef signed char fiat_p256_int1;
     17 
     18 
     19 /*
     20  * Input Bounds:
     21  *   arg1: [0x0 ~> 0x1]
     22  *   arg2: [0x0 ~> 0xffffffff]
     23  *   arg3: [0x0 ~> 0xffffffff]
     24  * Output Bounds:
     25  *   out1: [0x0 ~> 0xffffffff]
     26  *   out2: [0x0 ~> 0x1]
     27  */
     28 static void fiat_p256_addcarryx_u32(uint32_t* out1, fiat_p256_uint1* out2, fiat_p256_uint1 arg1, uint32_t arg2, uint32_t arg3) {
     29   uint64_t x1 = ((arg1 + (uint64_t)arg2) + arg3);
     30   uint32_t x2 = (uint32_t)(x1 & UINT32_C(0xffffffff));
     31   fiat_p256_uint1 x3 = (fiat_p256_uint1)(x1 >> 32);
     32   *out1 = x2;
     33   *out2 = x3;
     34 }
     35 
     36 /*
     37  * Input Bounds:
     38  *   arg1: [0x0 ~> 0x1]
     39  *   arg2: [0x0 ~> 0xffffffff]
     40  *   arg3: [0x0 ~> 0xffffffff]
     41  * Output Bounds:
     42  *   out1: [0x0 ~> 0xffffffff]
     43  *   out2: [0x0 ~> 0x1]
     44  */
     45 static void fiat_p256_subborrowx_u32(uint32_t* out1, fiat_p256_uint1* out2, fiat_p256_uint1 arg1, uint32_t arg2, uint32_t arg3) {
     46   int64_t x1 = ((arg2 - (int64_t)arg1) - arg3);
     47   fiat_p256_int1 x2 = (fiat_p256_int1)(x1 >> 32);
     48   uint32_t x3 = (uint32_t)(x1 & UINT32_C(0xffffffff));
     49   *out1 = x3;
     50   *out2 = (fiat_p256_uint1)(0x0 - x2);
     51 }
     52 
     53 /*
     54  * Input Bounds:
     55  *   arg1: [0x0 ~> 0xffffffff]
     56  *   arg2: [0x0 ~> 0xffffffff]
     57  * Output Bounds:
     58  *   out1: [0x0 ~> 0xffffffff]
     59  *   out2: [0x0 ~> 0xffffffff]
     60  */
     61 static void fiat_p256_mulx_u32(uint32_t* out1, uint32_t* out2, uint32_t arg1, uint32_t arg2) {
     62   uint64_t x1 = ((uint64_t)arg1 * arg2);
     63   uint32_t x2 = (uint32_t)(x1 & UINT32_C(0xffffffff));
     64   uint32_t x3 = (uint32_t)(x1 >> 32);
     65   *out1 = x2;
     66   *out2 = x3;
     67 }
     68 
     69 /*
     70  * Input Bounds:
     71  *   arg1: [0x0 ~> 0x1]
     72  *   arg2: [0x0 ~> 0xffffffff]
     73  *   arg3: [0x0 ~> 0xffffffff]
     74  * Output Bounds:
     75  *   out1: [0x0 ~> 0xffffffff]
     76  */
     77 static void fiat_p256_cmovznz_u32(uint32_t* out1, fiat_p256_uint1 arg1, uint32_t arg2, uint32_t arg3) {
     78   fiat_p256_uint1 x1 = (!(!arg1));
     79   uint32_t x2 = ((fiat_p256_int1)(0x0 - x1) & UINT32_C(0xffffffff));
     80   uint32_t x3 = ((x2 & arg3) | ((~x2) & arg2));
     81   *out1 = x3;
     82 }
     83 
     84 /*
     85  * Input Bounds:
     86  *   arg1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
     87  *   arg2: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
     88  * Output Bounds:
     89  *   out1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
     90  */
     91 static void fiat_p256_mul(uint32_t out1[8], const uint32_t arg1[8], const uint32_t arg2[8]) {
     92   uint32_t x1 = (arg1[1]);
     93   uint32_t x2 = (arg1[2]);
     94   uint32_t x3 = (arg1[3]);
     95   uint32_t x4 = (arg1[4]);
     96   uint32_t x5 = (arg1[5]);
     97   uint32_t x6 = (arg1[6]);
     98   uint32_t x7 = (arg1[7]);
     99   uint32_t x8 = (arg1[0]);
    100   uint32_t x9;
    101   uint32_t x10;
    102   fiat_p256_mulx_u32(&x9, &x10, x8, (arg2[7]));
    103   uint32_t x11;
    104   uint32_t x12;
    105   fiat_p256_mulx_u32(&x11, &x12, x8, (arg2[6]));
    106   uint32_t x13;
    107   uint32_t x14;
    108   fiat_p256_mulx_u32(&x13, &x14, x8, (arg2[5]));
    109   uint32_t x15;
    110   uint32_t x16;
    111   fiat_p256_mulx_u32(&x15, &x16, x8, (arg2[4]));
    112   uint32_t x17;
    113   uint32_t x18;
    114   fiat_p256_mulx_u32(&x17, &x18, x8, (arg2[3]));
    115   uint32_t x19;
    116   uint32_t x20;
    117   fiat_p256_mulx_u32(&x19, &x20, x8, (arg2[2]));
    118   uint32_t x21;
    119   uint32_t x22;
    120   fiat_p256_mulx_u32(&x21, &x22, x8, (arg2[1]));
    121   uint32_t x23;
    122   uint32_t x24;
    123   fiat_p256_mulx_u32(&x23, &x24, x8, (arg2[0]));
    124   uint32_t x25;
    125   fiat_p256_uint1 x26;
    126   fiat_p256_addcarryx_u32(&x25, &x26, 0x0, x21, x24);
    127   uint32_t x27;
    128   fiat_p256_uint1 x28;
    129   fiat_p256_addcarryx_u32(&x27, &x28, x26, x19, x22);
    130   uint32_t x29;
    131   fiat_p256_uint1 x30;
    132   fiat_p256_addcarryx_u32(&x29, &x30, x28, x17, x20);
    133   uint32_t x31;
    134   fiat_p256_uint1 x32;
    135   fiat_p256_addcarryx_u32(&x31, &x32, x30, x15, x18);
    136   uint32_t x33;
    137   fiat_p256_uint1 x34;
    138   fiat_p256_addcarryx_u32(&x33, &x34, x32, x13, x16);
    139   uint32_t x35;
    140   fiat_p256_uint1 x36;
    141   fiat_p256_addcarryx_u32(&x35, &x36, x34, x11, x14);
    142   uint32_t x37;
    143   fiat_p256_uint1 x38;
    144   fiat_p256_addcarryx_u32(&x37, &x38, x36, x9, x12);
    145   uint32_t x39;
    146   fiat_p256_uint1 x40;
    147   fiat_p256_addcarryx_u32(&x39, &x40, x38, 0x0, x10);
    148   uint32_t x41;
    149   uint32_t x42;
    150   fiat_p256_mulx_u32(&x41, &x42, x23, UINT32_C(0xffffffff));
    151   uint32_t x43;
    152   uint32_t x44;
    153   fiat_p256_mulx_u32(&x43, &x44, x23, UINT32_C(0xffffffff));
    154   uint32_t x45;
    155   uint32_t x46;
    156   fiat_p256_mulx_u32(&x45, &x46, x23, UINT32_C(0xffffffff));
    157   uint32_t x47;
    158   uint32_t x48;
    159   fiat_p256_mulx_u32(&x47, &x48, x23, UINT32_C(0xffffffff));
    160   uint32_t x49;
    161   fiat_p256_uint1 x50;
    162   fiat_p256_addcarryx_u32(&x49, &x50, 0x0, x45, x48);
    163   uint32_t x51;
    164   fiat_p256_uint1 x52;
    165   fiat_p256_addcarryx_u32(&x51, &x52, x50, x43, x46);
    166   uint32_t x53;
    167   fiat_p256_uint1 x54;
    168   fiat_p256_addcarryx_u32(&x53, &x54, x52, 0x0, x44);
    169   uint32_t x55;
    170   fiat_p256_uint1 x56;
    171   fiat_p256_addcarryx_u32(&x55, &x56, 0x0, x47, x23);
    172   uint32_t x57;
    173   fiat_p256_uint1 x58;
    174   fiat_p256_addcarryx_u32(&x57, &x58, x56, x49, x25);
    175   uint32_t x59;
    176   fiat_p256_uint1 x60;
    177   fiat_p256_addcarryx_u32(&x59, &x60, x58, x51, x27);
    178   uint32_t x61;
    179   fiat_p256_uint1 x62;
    180   fiat_p256_addcarryx_u32(&x61, &x62, x60, x53, x29);
    181   uint32_t x63;
    182   fiat_p256_uint1 x64;
    183   fiat_p256_addcarryx_u32(&x63, &x64, x62, 0x0, x31);
    184   uint32_t x65;
    185   fiat_p256_uint1 x66;
    186   fiat_p256_addcarryx_u32(&x65, &x66, x64, 0x0, x33);
    187   uint32_t x67;
    188   fiat_p256_uint1 x68;
    189   fiat_p256_addcarryx_u32(&x67, &x68, x66, x23, x35);
    190   uint32_t x69;
    191   fiat_p256_uint1 x70;
    192   fiat_p256_addcarryx_u32(&x69, &x70, x68, x41, x37);
    193   uint32_t x71;
    194   fiat_p256_uint1 x72;
    195   fiat_p256_addcarryx_u32(&x71, &x72, x70, x42, x39);
    196   uint32_t x73;
    197   fiat_p256_uint1 x74;
    198   fiat_p256_addcarryx_u32(&x73, &x74, x72, 0x0, 0x0);
    199   uint32_t x75;
    200   uint32_t x76;
    201   fiat_p256_mulx_u32(&x75, &x76, x1, (arg2[7]));
    202   uint32_t x77;
    203   uint32_t x78;
    204   fiat_p256_mulx_u32(&x77, &x78, x1, (arg2[6]));
    205   uint32_t x79;
    206   uint32_t x80;
    207   fiat_p256_mulx_u32(&x79, &x80, x1, (arg2[5]));
    208   uint32_t x81;
    209   uint32_t x82;
    210   fiat_p256_mulx_u32(&x81, &x82, x1, (arg2[4]));
    211   uint32_t x83;
    212   uint32_t x84;
    213   fiat_p256_mulx_u32(&x83, &x84, x1, (arg2[3]));
    214   uint32_t x85;
    215   uint32_t x86;
    216   fiat_p256_mulx_u32(&x85, &x86, x1, (arg2[2]));
    217   uint32_t x87;
    218   uint32_t x88;
    219   fiat_p256_mulx_u32(&x87, &x88, x1, (arg2[1]));
    220   uint32_t x89;
    221   uint32_t x90;
    222   fiat_p256_mulx_u32(&x89, &x90, x1, (arg2[0]));
    223   uint32_t x91;
    224   fiat_p256_uint1 x92;
    225   fiat_p256_addcarryx_u32(&x91, &x92, 0x0, x87, x90);
    226   uint32_t x93;
    227   fiat_p256_uint1 x94;
    228   fiat_p256_addcarryx_u32(&x93, &x94, x92, x85, x88);
    229   uint32_t x95;
    230   fiat_p256_uint1 x96;
    231   fiat_p256_addcarryx_u32(&x95, &x96, x94, x83, x86);
    232   uint32_t x97;
    233   fiat_p256_uint1 x98;
    234   fiat_p256_addcarryx_u32(&x97, &x98, x96, x81, x84);
    235   uint32_t x99;
    236   fiat_p256_uint1 x100;
    237   fiat_p256_addcarryx_u32(&x99, &x100, x98, x79, x82);
    238   uint32_t x101;
    239   fiat_p256_uint1 x102;
    240   fiat_p256_addcarryx_u32(&x101, &x102, x100, x77, x80);
    241   uint32_t x103;
    242   fiat_p256_uint1 x104;
    243   fiat_p256_addcarryx_u32(&x103, &x104, x102, x75, x78);
    244   uint32_t x105;
    245   fiat_p256_uint1 x106;
    246   fiat_p256_addcarryx_u32(&x105, &x106, x104, 0x0, x76);
    247   uint32_t x107;
    248   fiat_p256_uint1 x108;
    249   fiat_p256_addcarryx_u32(&x107, &x108, 0x0, x89, x57);
    250   uint32_t x109;
    251   fiat_p256_uint1 x110;
    252   fiat_p256_addcarryx_u32(&x109, &x110, x108, x91, x59);
    253   uint32_t x111;
    254   fiat_p256_uint1 x112;
    255   fiat_p256_addcarryx_u32(&x111, &x112, x110, x93, x61);
    256   uint32_t x113;
    257   fiat_p256_uint1 x114;
    258   fiat_p256_addcarryx_u32(&x113, &x114, x112, x95, x63);
    259   uint32_t x115;
    260   fiat_p256_uint1 x116;
    261   fiat_p256_addcarryx_u32(&x115, &x116, x114, x97, x65);
    262   uint32_t x117;
    263   fiat_p256_uint1 x118;
    264   fiat_p256_addcarryx_u32(&x117, &x118, x116, x99, x67);
    265   uint32_t x119;
    266   fiat_p256_uint1 x120;
    267   fiat_p256_addcarryx_u32(&x119, &x120, x118, x101, x69);
    268   uint32_t x121;
    269   fiat_p256_uint1 x122;
    270   fiat_p256_addcarryx_u32(&x121, &x122, x120, x103, x71);
    271   uint32_t x123;
    272   fiat_p256_uint1 x124;
    273   fiat_p256_addcarryx_u32(&x123, &x124, x122, x105, (fiat_p256_uint1)x73);
    274   uint32_t x125;
    275   uint32_t x126;
    276   fiat_p256_mulx_u32(&x125, &x126, x107, UINT32_C(0xffffffff));
    277   uint32_t x127;
    278   uint32_t x128;
    279   fiat_p256_mulx_u32(&x127, &x128, x107, UINT32_C(0xffffffff));
    280   uint32_t x129;
    281   uint32_t x130;
    282   fiat_p256_mulx_u32(&x129, &x130, x107, UINT32_C(0xffffffff));
    283   uint32_t x131;
    284   uint32_t x132;
    285   fiat_p256_mulx_u32(&x131, &x132, x107, UINT32_C(0xffffffff));
    286   uint32_t x133;
    287   fiat_p256_uint1 x134;
    288   fiat_p256_addcarryx_u32(&x133, &x134, 0x0, x129, x132);
    289   uint32_t x135;
    290   fiat_p256_uint1 x136;
    291   fiat_p256_addcarryx_u32(&x135, &x136, x134, x127, x130);
    292   uint32_t x137;
    293   fiat_p256_uint1 x138;
    294   fiat_p256_addcarryx_u32(&x137, &x138, x136, 0x0, x128);
    295   uint32_t x139;
    296   fiat_p256_uint1 x140;
    297   fiat_p256_addcarryx_u32(&x139, &x140, 0x0, x131, x107);
    298   uint32_t x141;
    299   fiat_p256_uint1 x142;
    300   fiat_p256_addcarryx_u32(&x141, &x142, x140, x133, x109);
    301   uint32_t x143;
    302   fiat_p256_uint1 x144;
    303   fiat_p256_addcarryx_u32(&x143, &x144, x142, x135, x111);
    304   uint32_t x145;
    305   fiat_p256_uint1 x146;
    306   fiat_p256_addcarryx_u32(&x145, &x146, x144, x137, x113);
    307   uint32_t x147;
    308   fiat_p256_uint1 x148;
    309   fiat_p256_addcarryx_u32(&x147, &x148, x146, 0x0, x115);
    310   uint32_t x149;
    311   fiat_p256_uint1 x150;
    312   fiat_p256_addcarryx_u32(&x149, &x150, x148, 0x0, x117);
    313   uint32_t x151;
    314   fiat_p256_uint1 x152;
    315   fiat_p256_addcarryx_u32(&x151, &x152, x150, x107, x119);
    316   uint32_t x153;
    317   fiat_p256_uint1 x154;
    318   fiat_p256_addcarryx_u32(&x153, &x154, x152, x125, x121);
    319   uint32_t x155;
    320   fiat_p256_uint1 x156;
    321   fiat_p256_addcarryx_u32(&x155, &x156, x154, x126, x123);
    322   uint32_t x157;
    323   fiat_p256_uint1 x158;
    324   fiat_p256_addcarryx_u32(&x157, &x158, x156, 0x0, x124);
    325   uint32_t x159;
    326   uint32_t x160;
    327   fiat_p256_mulx_u32(&x159, &x160, x2, (arg2[7]));
    328   uint32_t x161;
    329   uint32_t x162;
    330   fiat_p256_mulx_u32(&x161, &x162, x2, (arg2[6]));
    331   uint32_t x163;
    332   uint32_t x164;
    333   fiat_p256_mulx_u32(&x163, &x164, x2, (arg2[5]));
    334   uint32_t x165;
    335   uint32_t x166;
    336   fiat_p256_mulx_u32(&x165, &x166, x2, (arg2[4]));
    337   uint32_t x167;
    338   uint32_t x168;
    339   fiat_p256_mulx_u32(&x167, &x168, x2, (arg2[3]));
    340   uint32_t x169;
    341   uint32_t x170;
    342   fiat_p256_mulx_u32(&x169, &x170, x2, (arg2[2]));
    343   uint32_t x171;
    344   uint32_t x172;
    345   fiat_p256_mulx_u32(&x171, &x172, x2, (arg2[1]));
    346   uint32_t x173;
    347   uint32_t x174;
    348   fiat_p256_mulx_u32(&x173, &x174, x2, (arg2[0]));
    349   uint32_t x175;
    350   fiat_p256_uint1 x176;
    351   fiat_p256_addcarryx_u32(&x175, &x176, 0x0, x171, x174);
    352   uint32_t x177;
    353   fiat_p256_uint1 x178;
    354   fiat_p256_addcarryx_u32(&x177, &x178, x176, x169, x172);
    355   uint32_t x179;
    356   fiat_p256_uint1 x180;
    357   fiat_p256_addcarryx_u32(&x179, &x180, x178, x167, x170);
    358   uint32_t x181;
    359   fiat_p256_uint1 x182;
    360   fiat_p256_addcarryx_u32(&x181, &x182, x180, x165, x168);
    361   uint32_t x183;
    362   fiat_p256_uint1 x184;
    363   fiat_p256_addcarryx_u32(&x183, &x184, x182, x163, x166);
    364   uint32_t x185;
    365   fiat_p256_uint1 x186;
    366   fiat_p256_addcarryx_u32(&x185, &x186, x184, x161, x164);
    367   uint32_t x187;
    368   fiat_p256_uint1 x188;
    369   fiat_p256_addcarryx_u32(&x187, &x188, x186, x159, x162);
    370   uint32_t x189;
    371   fiat_p256_uint1 x190;
    372   fiat_p256_addcarryx_u32(&x189, &x190, x188, 0x0, x160);
    373   uint32_t x191;
    374   fiat_p256_uint1 x192;
    375   fiat_p256_addcarryx_u32(&x191, &x192, 0x0, x173, x141);
    376   uint32_t x193;
    377   fiat_p256_uint1 x194;
    378   fiat_p256_addcarryx_u32(&x193, &x194, x192, x175, x143);
    379   uint32_t x195;
    380   fiat_p256_uint1 x196;
    381   fiat_p256_addcarryx_u32(&x195, &x196, x194, x177, x145);
    382   uint32_t x197;
    383   fiat_p256_uint1 x198;
    384   fiat_p256_addcarryx_u32(&x197, &x198, x196, x179, x147);
    385   uint32_t x199;
    386   fiat_p256_uint1 x200;
    387   fiat_p256_addcarryx_u32(&x199, &x200, x198, x181, x149);
    388   uint32_t x201;
    389   fiat_p256_uint1 x202;
    390   fiat_p256_addcarryx_u32(&x201, &x202, x200, x183, x151);
    391   uint32_t x203;
    392   fiat_p256_uint1 x204;
    393   fiat_p256_addcarryx_u32(&x203, &x204, x202, x185, x153);
    394   uint32_t x205;
    395   fiat_p256_uint1 x206;
    396   fiat_p256_addcarryx_u32(&x205, &x206, x204, x187, x155);
    397   uint32_t x207;
    398   fiat_p256_uint1 x208;
    399   fiat_p256_addcarryx_u32(&x207, &x208, x206, x189, x157);
    400   uint32_t x209;
    401   uint32_t x210;
    402   fiat_p256_mulx_u32(&x209, &x210, x191, UINT32_C(0xffffffff));
    403   uint32_t x211;
    404   uint32_t x212;
    405   fiat_p256_mulx_u32(&x211, &x212, x191, UINT32_C(0xffffffff));
    406   uint32_t x213;
    407   uint32_t x214;
    408   fiat_p256_mulx_u32(&x213, &x214, x191, UINT32_C(0xffffffff));
    409   uint32_t x215;
    410   uint32_t x216;
    411   fiat_p256_mulx_u32(&x215, &x216, x191, UINT32_C(0xffffffff));
    412   uint32_t x217;
    413   fiat_p256_uint1 x218;
    414   fiat_p256_addcarryx_u32(&x217, &x218, 0x0, x213, x216);
    415   uint32_t x219;
    416   fiat_p256_uint1 x220;
    417   fiat_p256_addcarryx_u32(&x219, &x220, x218, x211, x214);
    418   uint32_t x221;
    419   fiat_p256_uint1 x222;
    420   fiat_p256_addcarryx_u32(&x221, &x222, x220, 0x0, x212);
    421   uint32_t x223;
    422   fiat_p256_uint1 x224;
    423   fiat_p256_addcarryx_u32(&x223, &x224, 0x0, x215, x191);
    424   uint32_t x225;
    425   fiat_p256_uint1 x226;
    426   fiat_p256_addcarryx_u32(&x225, &x226, x224, x217, x193);
    427   uint32_t x227;
    428   fiat_p256_uint1 x228;
    429   fiat_p256_addcarryx_u32(&x227, &x228, x226, x219, x195);
    430   uint32_t x229;
    431   fiat_p256_uint1 x230;
    432   fiat_p256_addcarryx_u32(&x229, &x230, x228, x221, x197);
    433   uint32_t x231;
    434   fiat_p256_uint1 x232;
    435   fiat_p256_addcarryx_u32(&x231, &x232, x230, 0x0, x199);
    436   uint32_t x233;
    437   fiat_p256_uint1 x234;
    438   fiat_p256_addcarryx_u32(&x233, &x234, x232, 0x0, x201);
    439   uint32_t x235;
    440   fiat_p256_uint1 x236;
    441   fiat_p256_addcarryx_u32(&x235, &x236, x234, x191, x203);
    442   uint32_t x237;
    443   fiat_p256_uint1 x238;
    444   fiat_p256_addcarryx_u32(&x237, &x238, x236, x209, x205);
    445   uint32_t x239;
    446   fiat_p256_uint1 x240;
    447   fiat_p256_addcarryx_u32(&x239, &x240, x238, x210, x207);
    448   uint32_t x241;
    449   fiat_p256_uint1 x242;
    450   fiat_p256_addcarryx_u32(&x241, &x242, x240, 0x0, x208);
    451   uint32_t x243;
    452   uint32_t x244;
    453   fiat_p256_mulx_u32(&x243, &x244, x3, (arg2[7]));
    454   uint32_t x245;
    455   uint32_t x246;
    456   fiat_p256_mulx_u32(&x245, &x246, x3, (arg2[6]));
    457   uint32_t x247;
    458   uint32_t x248;
    459   fiat_p256_mulx_u32(&x247, &x248, x3, (arg2[5]));
    460   uint32_t x249;
    461   uint32_t x250;
    462   fiat_p256_mulx_u32(&x249, &x250, x3, (arg2[4]));
    463   uint32_t x251;
    464   uint32_t x252;
    465   fiat_p256_mulx_u32(&x251, &x252, x3, (arg2[3]));
    466   uint32_t x253;
    467   uint32_t x254;
    468   fiat_p256_mulx_u32(&x253, &x254, x3, (arg2[2]));
    469   uint32_t x255;
    470   uint32_t x256;
    471   fiat_p256_mulx_u32(&x255, &x256, x3, (arg2[1]));
    472   uint32_t x257;
    473   uint32_t x258;
    474   fiat_p256_mulx_u32(&x257, &x258, x3, (arg2[0]));
    475   uint32_t x259;
    476   fiat_p256_uint1 x260;
    477   fiat_p256_addcarryx_u32(&x259, &x260, 0x0, x255, x258);
    478   uint32_t x261;
    479   fiat_p256_uint1 x262;
    480   fiat_p256_addcarryx_u32(&x261, &x262, x260, x253, x256);
    481   uint32_t x263;
    482   fiat_p256_uint1 x264;
    483   fiat_p256_addcarryx_u32(&x263, &x264, x262, x251, x254);
    484   uint32_t x265;
    485   fiat_p256_uint1 x266;
    486   fiat_p256_addcarryx_u32(&x265, &x266, x264, x249, x252);
    487   uint32_t x267;
    488   fiat_p256_uint1 x268;
    489   fiat_p256_addcarryx_u32(&x267, &x268, x266, x247, x250);
    490   uint32_t x269;
    491   fiat_p256_uint1 x270;
    492   fiat_p256_addcarryx_u32(&x269, &x270, x268, x245, x248);
    493   uint32_t x271;
    494   fiat_p256_uint1 x272;
    495   fiat_p256_addcarryx_u32(&x271, &x272, x270, x243, x246);
    496   uint32_t x273;
    497   fiat_p256_uint1 x274;
    498   fiat_p256_addcarryx_u32(&x273, &x274, x272, 0x0, x244);
    499   uint32_t x275;
    500   fiat_p256_uint1 x276;
    501   fiat_p256_addcarryx_u32(&x275, &x276, 0x0, x257, x225);
    502   uint32_t x277;
    503   fiat_p256_uint1 x278;
    504   fiat_p256_addcarryx_u32(&x277, &x278, x276, x259, x227);
    505   uint32_t x279;
    506   fiat_p256_uint1 x280;
    507   fiat_p256_addcarryx_u32(&x279, &x280, x278, x261, x229);
    508   uint32_t x281;
    509   fiat_p256_uint1 x282;
    510   fiat_p256_addcarryx_u32(&x281, &x282, x280, x263, x231);
    511   uint32_t x283;
    512   fiat_p256_uint1 x284;
    513   fiat_p256_addcarryx_u32(&x283, &x284, x282, x265, x233);
    514   uint32_t x285;
    515   fiat_p256_uint1 x286;
    516   fiat_p256_addcarryx_u32(&x285, &x286, x284, x267, x235);
    517   uint32_t x287;
    518   fiat_p256_uint1 x288;
    519   fiat_p256_addcarryx_u32(&x287, &x288, x286, x269, x237);
    520   uint32_t x289;
    521   fiat_p256_uint1 x290;
    522   fiat_p256_addcarryx_u32(&x289, &x290, x288, x271, x239);
    523   uint32_t x291;
    524   fiat_p256_uint1 x292;
    525   fiat_p256_addcarryx_u32(&x291, &x292, x290, x273, x241);
    526   uint32_t x293;
    527   uint32_t x294;
    528   fiat_p256_mulx_u32(&x293, &x294, x275, UINT32_C(0xffffffff));
    529   uint32_t x295;
    530   uint32_t x296;
    531   fiat_p256_mulx_u32(&x295, &x296, x275, UINT32_C(0xffffffff));
    532   uint32_t x297;
    533   uint32_t x298;
    534   fiat_p256_mulx_u32(&x297, &x298, x275, UINT32_C(0xffffffff));
    535   uint32_t x299;
    536   uint32_t x300;
    537   fiat_p256_mulx_u32(&x299, &x300, x275, UINT32_C(0xffffffff));
    538   uint32_t x301;
    539   fiat_p256_uint1 x302;
    540   fiat_p256_addcarryx_u32(&x301, &x302, 0x0, x297, x300);
    541   uint32_t x303;
    542   fiat_p256_uint1 x304;
    543   fiat_p256_addcarryx_u32(&x303, &x304, x302, x295, x298);
    544   uint32_t x305;
    545   fiat_p256_uint1 x306;
    546   fiat_p256_addcarryx_u32(&x305, &x306, x304, 0x0, x296);
    547   uint32_t x307;
    548   fiat_p256_uint1 x308;
    549   fiat_p256_addcarryx_u32(&x307, &x308, 0x0, x299, x275);
    550   uint32_t x309;
    551   fiat_p256_uint1 x310;
    552   fiat_p256_addcarryx_u32(&x309, &x310, x308, x301, x277);
    553   uint32_t x311;
    554   fiat_p256_uint1 x312;
    555   fiat_p256_addcarryx_u32(&x311, &x312, x310, x303, x279);
    556   uint32_t x313;
    557   fiat_p256_uint1 x314;
    558   fiat_p256_addcarryx_u32(&x313, &x314, x312, x305, x281);
    559   uint32_t x315;
    560   fiat_p256_uint1 x316;
    561   fiat_p256_addcarryx_u32(&x315, &x316, x314, 0x0, x283);
    562   uint32_t x317;
    563   fiat_p256_uint1 x318;
    564   fiat_p256_addcarryx_u32(&x317, &x318, x316, 0x0, x285);
    565   uint32_t x319;
    566   fiat_p256_uint1 x320;
    567   fiat_p256_addcarryx_u32(&x319, &x320, x318, x275, x287);
    568   uint32_t x321;
    569   fiat_p256_uint1 x322;
    570   fiat_p256_addcarryx_u32(&x321, &x322, x320, x293, x289);
    571   uint32_t x323;
    572   fiat_p256_uint1 x324;
    573   fiat_p256_addcarryx_u32(&x323, &x324, x322, x294, x291);
    574   uint32_t x325;
    575   fiat_p256_uint1 x326;
    576   fiat_p256_addcarryx_u32(&x325, &x326, x324, 0x0, x292);
    577   uint32_t x327;
    578   uint32_t x328;
    579   fiat_p256_mulx_u32(&x327, &x328, x4, (arg2[7]));
    580   uint32_t x329;
    581   uint32_t x330;
    582   fiat_p256_mulx_u32(&x329, &x330, x4, (arg2[6]));
    583   uint32_t x331;
    584   uint32_t x332;
    585   fiat_p256_mulx_u32(&x331, &x332, x4, (arg2[5]));
    586   uint32_t x333;
    587   uint32_t x334;
    588   fiat_p256_mulx_u32(&x333, &x334, x4, (arg2[4]));
    589   uint32_t x335;
    590   uint32_t x336;
    591   fiat_p256_mulx_u32(&x335, &x336, x4, (arg2[3]));
    592   uint32_t x337;
    593   uint32_t x338;
    594   fiat_p256_mulx_u32(&x337, &x338, x4, (arg2[2]));
    595   uint32_t x339;
    596   uint32_t x340;
    597   fiat_p256_mulx_u32(&x339, &x340, x4, (arg2[1]));
    598   uint32_t x341;
    599   uint32_t x342;
    600   fiat_p256_mulx_u32(&x341, &x342, x4, (arg2[0]));
    601   uint32_t x343;
    602   fiat_p256_uint1 x344;
    603   fiat_p256_addcarryx_u32(&x343, &x344, 0x0, x339, x342);
    604   uint32_t x345;
    605   fiat_p256_uint1 x346;
    606   fiat_p256_addcarryx_u32(&x345, &x346, x344, x337, x340);
    607   uint32_t x347;
    608   fiat_p256_uint1 x348;
    609   fiat_p256_addcarryx_u32(&x347, &x348, x346, x335, x338);
    610   uint32_t x349;
    611   fiat_p256_uint1 x350;
    612   fiat_p256_addcarryx_u32(&x349, &x350, x348, x333, x336);
    613   uint32_t x351;
    614   fiat_p256_uint1 x352;
    615   fiat_p256_addcarryx_u32(&x351, &x352, x350, x331, x334);
    616   uint32_t x353;
    617   fiat_p256_uint1 x354;
    618   fiat_p256_addcarryx_u32(&x353, &x354, x352, x329, x332);
    619   uint32_t x355;
    620   fiat_p256_uint1 x356;
    621   fiat_p256_addcarryx_u32(&x355, &x356, x354, x327, x330);
    622   uint32_t x357;
    623   fiat_p256_uint1 x358;
    624   fiat_p256_addcarryx_u32(&x357, &x358, x356, 0x0, x328);
    625   uint32_t x359;
    626   fiat_p256_uint1 x360;
    627   fiat_p256_addcarryx_u32(&x359, &x360, 0x0, x341, x309);
    628   uint32_t x361;
    629   fiat_p256_uint1 x362;
    630   fiat_p256_addcarryx_u32(&x361, &x362, x360, x343, x311);
    631   uint32_t x363;
    632   fiat_p256_uint1 x364;
    633   fiat_p256_addcarryx_u32(&x363, &x364, x362, x345, x313);
    634   uint32_t x365;
    635   fiat_p256_uint1 x366;
    636   fiat_p256_addcarryx_u32(&x365, &x366, x364, x347, x315);
    637   uint32_t x367;
    638   fiat_p256_uint1 x368;
    639   fiat_p256_addcarryx_u32(&x367, &x368, x366, x349, x317);
    640   uint32_t x369;
    641   fiat_p256_uint1 x370;
    642   fiat_p256_addcarryx_u32(&x369, &x370, x368, x351, x319);
    643   uint32_t x371;
    644   fiat_p256_uint1 x372;
    645   fiat_p256_addcarryx_u32(&x371, &x372, x370, x353, x321);
    646   uint32_t x373;
    647   fiat_p256_uint1 x374;
    648   fiat_p256_addcarryx_u32(&x373, &x374, x372, x355, x323);
    649   uint32_t x375;
    650   fiat_p256_uint1 x376;
    651   fiat_p256_addcarryx_u32(&x375, &x376, x374, x357, x325);
    652   uint32_t x377;
    653   uint32_t x378;
    654   fiat_p256_mulx_u32(&x377, &x378, x359, UINT32_C(0xffffffff));
    655   uint32_t x379;
    656   uint32_t x380;
    657   fiat_p256_mulx_u32(&x379, &x380, x359, UINT32_C(0xffffffff));
    658   uint32_t x381;
    659   uint32_t x382;
    660   fiat_p256_mulx_u32(&x381, &x382, x359, UINT32_C(0xffffffff));
    661   uint32_t x383;
    662   uint32_t x384;
    663   fiat_p256_mulx_u32(&x383, &x384, x359, UINT32_C(0xffffffff));
    664   uint32_t x385;
    665   fiat_p256_uint1 x386;
    666   fiat_p256_addcarryx_u32(&x385, &x386, 0x0, x381, x384);
    667   uint32_t x387;
    668   fiat_p256_uint1 x388;
    669   fiat_p256_addcarryx_u32(&x387, &x388, x386, x379, x382);
    670   uint32_t x389;
    671   fiat_p256_uint1 x390;
    672   fiat_p256_addcarryx_u32(&x389, &x390, x388, 0x0, x380);
    673   uint32_t x391;
    674   fiat_p256_uint1 x392;
    675   fiat_p256_addcarryx_u32(&x391, &x392, 0x0, x383, x359);
    676   uint32_t x393;
    677   fiat_p256_uint1 x394;
    678   fiat_p256_addcarryx_u32(&x393, &x394, x392, x385, x361);
    679   uint32_t x395;
    680   fiat_p256_uint1 x396;
    681   fiat_p256_addcarryx_u32(&x395, &x396, x394, x387, x363);
    682   uint32_t x397;
    683   fiat_p256_uint1 x398;
    684   fiat_p256_addcarryx_u32(&x397, &x398, x396, x389, x365);
    685   uint32_t x399;
    686   fiat_p256_uint1 x400;
    687   fiat_p256_addcarryx_u32(&x399, &x400, x398, 0x0, x367);
    688   uint32_t x401;
    689   fiat_p256_uint1 x402;
    690   fiat_p256_addcarryx_u32(&x401, &x402, x400, 0x0, x369);
    691   uint32_t x403;
    692   fiat_p256_uint1 x404;
    693   fiat_p256_addcarryx_u32(&x403, &x404, x402, x359, x371);
    694   uint32_t x405;
    695   fiat_p256_uint1 x406;
    696   fiat_p256_addcarryx_u32(&x405, &x406, x404, x377, x373);
    697   uint32_t x407;
    698   fiat_p256_uint1 x408;
    699   fiat_p256_addcarryx_u32(&x407, &x408, x406, x378, x375);
    700   uint32_t x409;
    701   fiat_p256_uint1 x410;
    702   fiat_p256_addcarryx_u32(&x409, &x410, x408, 0x0, x376);
    703   uint32_t x411;
    704   uint32_t x412;
    705   fiat_p256_mulx_u32(&x411, &x412, x5, (arg2[7]));
    706   uint32_t x413;
    707   uint32_t x414;
    708   fiat_p256_mulx_u32(&x413, &x414, x5, (arg2[6]));
    709   uint32_t x415;
    710   uint32_t x416;
    711   fiat_p256_mulx_u32(&x415, &x416, x5, (arg2[5]));
    712   uint32_t x417;
    713   uint32_t x418;
    714   fiat_p256_mulx_u32(&x417, &x418, x5, (arg2[4]));
    715   uint32_t x419;
    716   uint32_t x420;
    717   fiat_p256_mulx_u32(&x419, &x420, x5, (arg2[3]));
    718   uint32_t x421;
    719   uint32_t x422;
    720   fiat_p256_mulx_u32(&x421, &x422, x5, (arg2[2]));
    721   uint32_t x423;
    722   uint32_t x424;
    723   fiat_p256_mulx_u32(&x423, &x424, x5, (arg2[1]));
    724   uint32_t x425;
    725   uint32_t x426;
    726   fiat_p256_mulx_u32(&x425, &x426, x5, (arg2[0]));
    727   uint32_t x427;
    728   fiat_p256_uint1 x428;
    729   fiat_p256_addcarryx_u32(&x427, &x428, 0x0, x423, x426);
    730   uint32_t x429;
    731   fiat_p256_uint1 x430;
    732   fiat_p256_addcarryx_u32(&x429, &x430, x428, x421, x424);
    733   uint32_t x431;
    734   fiat_p256_uint1 x432;
    735   fiat_p256_addcarryx_u32(&x431, &x432, x430, x419, x422);
    736   uint32_t x433;
    737   fiat_p256_uint1 x434;
    738   fiat_p256_addcarryx_u32(&x433, &x434, x432, x417, x420);
    739   uint32_t x435;
    740   fiat_p256_uint1 x436;
    741   fiat_p256_addcarryx_u32(&x435, &x436, x434, x415, x418);
    742   uint32_t x437;
    743   fiat_p256_uint1 x438;
    744   fiat_p256_addcarryx_u32(&x437, &x438, x436, x413, x416);
    745   uint32_t x439;
    746   fiat_p256_uint1 x440;
    747   fiat_p256_addcarryx_u32(&x439, &x440, x438, x411, x414);
    748   uint32_t x441;
    749   fiat_p256_uint1 x442;
    750   fiat_p256_addcarryx_u32(&x441, &x442, x440, 0x0, x412);
    751   uint32_t x443;
    752   fiat_p256_uint1 x444;
    753   fiat_p256_addcarryx_u32(&x443, &x444, 0x0, x425, x393);
    754   uint32_t x445;
    755   fiat_p256_uint1 x446;
    756   fiat_p256_addcarryx_u32(&x445, &x446, x444, x427, x395);
    757   uint32_t x447;
    758   fiat_p256_uint1 x448;
    759   fiat_p256_addcarryx_u32(&x447, &x448, x446, x429, x397);
    760   uint32_t x449;
    761   fiat_p256_uint1 x450;
    762   fiat_p256_addcarryx_u32(&x449, &x450, x448, x431, x399);
    763   uint32_t x451;
    764   fiat_p256_uint1 x452;
    765   fiat_p256_addcarryx_u32(&x451, &x452, x450, x433, x401);
    766   uint32_t x453;
    767   fiat_p256_uint1 x454;
    768   fiat_p256_addcarryx_u32(&x453, &x454, x452, x435, x403);
    769   uint32_t x455;
    770   fiat_p256_uint1 x456;
    771   fiat_p256_addcarryx_u32(&x455, &x456, x454, x437, x405);
    772   uint32_t x457;
    773   fiat_p256_uint1 x458;
    774   fiat_p256_addcarryx_u32(&x457, &x458, x456, x439, x407);
    775   uint32_t x459;
    776   fiat_p256_uint1 x460;
    777   fiat_p256_addcarryx_u32(&x459, &x460, x458, x441, x409);
    778   uint32_t x461;
    779   uint32_t x462;
    780   fiat_p256_mulx_u32(&x461, &x462, x443, UINT32_C(0xffffffff));
    781   uint32_t x463;
    782   uint32_t x464;
    783   fiat_p256_mulx_u32(&x463, &x464, x443, UINT32_C(0xffffffff));
    784   uint32_t x465;
    785   uint32_t x466;
    786   fiat_p256_mulx_u32(&x465, &x466, x443, UINT32_C(0xffffffff));
    787   uint32_t x467;
    788   uint32_t x468;
    789   fiat_p256_mulx_u32(&x467, &x468, x443, UINT32_C(0xffffffff));
    790   uint32_t x469;
    791   fiat_p256_uint1 x470;
    792   fiat_p256_addcarryx_u32(&x469, &x470, 0x0, x465, x468);
    793   uint32_t x471;
    794   fiat_p256_uint1 x472;
    795   fiat_p256_addcarryx_u32(&x471, &x472, x470, x463, x466);
    796   uint32_t x473;
    797   fiat_p256_uint1 x474;
    798   fiat_p256_addcarryx_u32(&x473, &x474, x472, 0x0, x464);
    799   uint32_t x475;
    800   fiat_p256_uint1 x476;
    801   fiat_p256_addcarryx_u32(&x475, &x476, 0x0, x467, x443);
    802   uint32_t x477;
    803   fiat_p256_uint1 x478;
    804   fiat_p256_addcarryx_u32(&x477, &x478, x476, x469, x445);
    805   uint32_t x479;
    806   fiat_p256_uint1 x480;
    807   fiat_p256_addcarryx_u32(&x479, &x480, x478, x471, x447);
    808   uint32_t x481;
    809   fiat_p256_uint1 x482;
    810   fiat_p256_addcarryx_u32(&x481, &x482, x480, x473, x449);
    811   uint32_t x483;
    812   fiat_p256_uint1 x484;
    813   fiat_p256_addcarryx_u32(&x483, &x484, x482, 0x0, x451);
    814   uint32_t x485;
    815   fiat_p256_uint1 x486;
    816   fiat_p256_addcarryx_u32(&x485, &x486, x484, 0x0, x453);
    817   uint32_t x487;
    818   fiat_p256_uint1 x488;
    819   fiat_p256_addcarryx_u32(&x487, &x488, x486, x443, x455);
    820   uint32_t x489;
    821   fiat_p256_uint1 x490;
    822   fiat_p256_addcarryx_u32(&x489, &x490, x488, x461, x457);
    823   uint32_t x491;
    824   fiat_p256_uint1 x492;
    825   fiat_p256_addcarryx_u32(&x491, &x492, x490, x462, x459);
    826   uint32_t x493;
    827   fiat_p256_uint1 x494;
    828   fiat_p256_addcarryx_u32(&x493, &x494, x492, 0x0, x460);
    829   uint32_t x495;
    830   uint32_t x496;
    831   fiat_p256_mulx_u32(&x495, &x496, x6, (arg2[7]));
    832   uint32_t x497;
    833   uint32_t x498;
    834   fiat_p256_mulx_u32(&x497, &x498, x6, (arg2[6]));
    835   uint32_t x499;
    836   uint32_t x500;
    837   fiat_p256_mulx_u32(&x499, &x500, x6, (arg2[5]));
    838   uint32_t x501;
    839   uint32_t x502;
    840   fiat_p256_mulx_u32(&x501, &x502, x6, (arg2[4]));
    841   uint32_t x503;
    842   uint32_t x504;
    843   fiat_p256_mulx_u32(&x503, &x504, x6, (arg2[3]));
    844   uint32_t x505;
    845   uint32_t x506;
    846   fiat_p256_mulx_u32(&x505, &x506, x6, (arg2[2]));
    847   uint32_t x507;
    848   uint32_t x508;
    849   fiat_p256_mulx_u32(&x507, &x508, x6, (arg2[1]));
    850   uint32_t x509;
    851   uint32_t x510;
    852   fiat_p256_mulx_u32(&x509, &x510, x6, (arg2[0]));
    853   uint32_t x511;
    854   fiat_p256_uint1 x512;
    855   fiat_p256_addcarryx_u32(&x511, &x512, 0x0, x507, x510);
    856   uint32_t x513;
    857   fiat_p256_uint1 x514;
    858   fiat_p256_addcarryx_u32(&x513, &x514, x512, x505, x508);
    859   uint32_t x515;
    860   fiat_p256_uint1 x516;
    861   fiat_p256_addcarryx_u32(&x515, &x516, x514, x503, x506);
    862   uint32_t x517;
    863   fiat_p256_uint1 x518;
    864   fiat_p256_addcarryx_u32(&x517, &x518, x516, x501, x504);
    865   uint32_t x519;
    866   fiat_p256_uint1 x520;
    867   fiat_p256_addcarryx_u32(&x519, &x520, x518, x499, x502);
    868   uint32_t x521;
    869   fiat_p256_uint1 x522;
    870   fiat_p256_addcarryx_u32(&x521, &x522, x520, x497, x500);
    871   uint32_t x523;
    872   fiat_p256_uint1 x524;
    873   fiat_p256_addcarryx_u32(&x523, &x524, x522, x495, x498);
    874   uint32_t x525;
    875   fiat_p256_uint1 x526;
    876   fiat_p256_addcarryx_u32(&x525, &x526, x524, 0x0, x496);
    877   uint32_t x527;
    878   fiat_p256_uint1 x528;
    879   fiat_p256_addcarryx_u32(&x527, &x528, 0x0, x509, x477);
    880   uint32_t x529;
    881   fiat_p256_uint1 x530;
    882   fiat_p256_addcarryx_u32(&x529, &x530, x528, x511, x479);
    883   uint32_t x531;
    884   fiat_p256_uint1 x532;
    885   fiat_p256_addcarryx_u32(&x531, &x532, x530, x513, x481);
    886   uint32_t x533;
    887   fiat_p256_uint1 x534;
    888   fiat_p256_addcarryx_u32(&x533, &x534, x532, x515, x483);
    889   uint32_t x535;
    890   fiat_p256_uint1 x536;
    891   fiat_p256_addcarryx_u32(&x535, &x536, x534, x517, x485);
    892   uint32_t x537;
    893   fiat_p256_uint1 x538;
    894   fiat_p256_addcarryx_u32(&x537, &x538, x536, x519, x487);
    895   uint32_t x539;
    896   fiat_p256_uint1 x540;
    897   fiat_p256_addcarryx_u32(&x539, &x540, x538, x521, x489);
    898   uint32_t x541;
    899   fiat_p256_uint1 x542;
    900   fiat_p256_addcarryx_u32(&x541, &x542, x540, x523, x491);
    901   uint32_t x543;
    902   fiat_p256_uint1 x544;
    903   fiat_p256_addcarryx_u32(&x543, &x544, x542, x525, x493);
    904   uint32_t x545;
    905   uint32_t x546;
    906   fiat_p256_mulx_u32(&x545, &x546, x527, UINT32_C(0xffffffff));
    907   uint32_t x547;
    908   uint32_t x548;
    909   fiat_p256_mulx_u32(&x547, &x548, x527, UINT32_C(0xffffffff));
    910   uint32_t x549;
    911   uint32_t x550;
    912   fiat_p256_mulx_u32(&x549, &x550, x527, UINT32_C(0xffffffff));
    913   uint32_t x551;
    914   uint32_t x552;
    915   fiat_p256_mulx_u32(&x551, &x552, x527, UINT32_C(0xffffffff));
    916   uint32_t x553;
    917   fiat_p256_uint1 x554;
    918   fiat_p256_addcarryx_u32(&x553, &x554, 0x0, x549, x552);
    919   uint32_t x555;
    920   fiat_p256_uint1 x556;
    921   fiat_p256_addcarryx_u32(&x555, &x556, x554, x547, x550);
    922   uint32_t x557;
    923   fiat_p256_uint1 x558;
    924   fiat_p256_addcarryx_u32(&x557, &x558, x556, 0x0, x548);
    925   uint32_t x559;
    926   fiat_p256_uint1 x560;
    927   fiat_p256_addcarryx_u32(&x559, &x560, 0x0, x551, x527);
    928   uint32_t x561;
    929   fiat_p256_uint1 x562;
    930   fiat_p256_addcarryx_u32(&x561, &x562, x560, x553, x529);
    931   uint32_t x563;
    932   fiat_p256_uint1 x564;
    933   fiat_p256_addcarryx_u32(&x563, &x564, x562, x555, x531);
    934   uint32_t x565;
    935   fiat_p256_uint1 x566;
    936   fiat_p256_addcarryx_u32(&x565, &x566, x564, x557, x533);
    937   uint32_t x567;
    938   fiat_p256_uint1 x568;
    939   fiat_p256_addcarryx_u32(&x567, &x568, x566, 0x0, x535);
    940   uint32_t x569;
    941   fiat_p256_uint1 x570;
    942   fiat_p256_addcarryx_u32(&x569, &x570, x568, 0x0, x537);
    943   uint32_t x571;
    944   fiat_p256_uint1 x572;
    945   fiat_p256_addcarryx_u32(&x571, &x572, x570, x527, x539);
    946   uint32_t x573;
    947   fiat_p256_uint1 x574;
    948   fiat_p256_addcarryx_u32(&x573, &x574, x572, x545, x541);
    949   uint32_t x575;
    950   fiat_p256_uint1 x576;
    951   fiat_p256_addcarryx_u32(&x575, &x576, x574, x546, x543);
    952   uint32_t x577;
    953   fiat_p256_uint1 x578;
    954   fiat_p256_addcarryx_u32(&x577, &x578, x576, 0x0, x544);
    955   uint32_t x579;
    956   uint32_t x580;
    957   fiat_p256_mulx_u32(&x579, &x580, x7, (arg2[7]));
    958   uint32_t x581;
    959   uint32_t x582;
    960   fiat_p256_mulx_u32(&x581, &x582, x7, (arg2[6]));
    961   uint32_t x583;
    962   uint32_t x584;
    963   fiat_p256_mulx_u32(&x583, &x584, x7, (arg2[5]));
    964   uint32_t x585;
    965   uint32_t x586;
    966   fiat_p256_mulx_u32(&x585, &x586, x7, (arg2[4]));
    967   uint32_t x587;
    968   uint32_t x588;
    969   fiat_p256_mulx_u32(&x587, &x588, x7, (arg2[3]));
    970   uint32_t x589;
    971   uint32_t x590;
    972   fiat_p256_mulx_u32(&x589, &x590, x7, (arg2[2]));
    973   uint32_t x591;
    974   uint32_t x592;
    975   fiat_p256_mulx_u32(&x591, &x592, x7, (arg2[1]));
    976   uint32_t x593;
    977   uint32_t x594;
    978   fiat_p256_mulx_u32(&x593, &x594, x7, (arg2[0]));
    979   uint32_t x595;
    980   fiat_p256_uint1 x596;
    981   fiat_p256_addcarryx_u32(&x595, &x596, 0x0, x591, x594);
    982   uint32_t x597;
    983   fiat_p256_uint1 x598;
    984   fiat_p256_addcarryx_u32(&x597, &x598, x596, x589, x592);
    985   uint32_t x599;
    986   fiat_p256_uint1 x600;
    987   fiat_p256_addcarryx_u32(&x599, &x600, x598, x587, x590);
    988   uint32_t x601;
    989   fiat_p256_uint1 x602;
    990   fiat_p256_addcarryx_u32(&x601, &x602, x600, x585, x588);
    991   uint32_t x603;
    992   fiat_p256_uint1 x604;
    993   fiat_p256_addcarryx_u32(&x603, &x604, x602, x583, x586);
    994   uint32_t x605;
    995   fiat_p256_uint1 x606;
    996   fiat_p256_addcarryx_u32(&x605, &x606, x604, x581, x584);
    997   uint32_t x607;
    998   fiat_p256_uint1 x608;
    999   fiat_p256_addcarryx_u32(&x607, &x608, x606, x579, x582);
   1000   uint32_t x609;
   1001   fiat_p256_uint1 x610;
   1002   fiat_p256_addcarryx_u32(&x609, &x610, x608, 0x0, x580);
   1003   uint32_t x611;
   1004   fiat_p256_uint1 x612;
   1005   fiat_p256_addcarryx_u32(&x611, &x612, 0x0, x593, x561);
   1006   uint32_t x613;
   1007   fiat_p256_uint1 x614;
   1008   fiat_p256_addcarryx_u32(&x613, &x614, x612, x595, x563);
   1009   uint32_t x615;
   1010   fiat_p256_uint1 x616;
   1011   fiat_p256_addcarryx_u32(&x615, &x616, x614, x597, x565);
   1012   uint32_t x617;
   1013   fiat_p256_uint1 x618;
   1014   fiat_p256_addcarryx_u32(&x617, &x618, x616, x599, x567);
   1015   uint32_t x619;
   1016   fiat_p256_uint1 x620;
   1017   fiat_p256_addcarryx_u32(&x619, &x620, x618, x601, x569);
   1018   uint32_t x621;
   1019   fiat_p256_uint1 x622;
   1020   fiat_p256_addcarryx_u32(&x621, &x622, x620, x603, x571);
   1021   uint32_t x623;
   1022   fiat_p256_uint1 x624;
   1023   fiat_p256_addcarryx_u32(&x623, &x624, x622, x605, x573);
   1024   uint32_t x625;
   1025   fiat_p256_uint1 x626;
   1026   fiat_p256_addcarryx_u32(&x625, &x626, x624, x607, x575);
   1027   uint32_t x627;
   1028   fiat_p256_uint1 x628;
   1029   fiat_p256_addcarryx_u32(&x627, &x628, x626, x609, x577);
   1030   uint32_t x629;
   1031   uint32_t x630;
   1032   fiat_p256_mulx_u32(&x629, &x630, x611, UINT32_C(0xffffffff));
   1033   uint32_t x631;
   1034   uint32_t x632;
   1035   fiat_p256_mulx_u32(&x631, &x632, x611, UINT32_C(0xffffffff));
   1036   uint32_t x633;
   1037   uint32_t x634;
   1038   fiat_p256_mulx_u32(&x633, &x634, x611, UINT32_C(0xffffffff));
   1039   uint32_t x635;
   1040   uint32_t x636;
   1041   fiat_p256_mulx_u32(&x635, &x636, x611, UINT32_C(0xffffffff));
   1042   uint32_t x637;
   1043   fiat_p256_uint1 x638;
   1044   fiat_p256_addcarryx_u32(&x637, &x638, 0x0, x633, x636);
   1045   uint32_t x639;
   1046   fiat_p256_uint1 x640;
   1047   fiat_p256_addcarryx_u32(&x639, &x640, x638, x631, x634);
   1048   uint32_t x641;
   1049   fiat_p256_uint1 x642;
   1050   fiat_p256_addcarryx_u32(&x641, &x642, x640, 0x0, x632);
   1051   uint32_t x643;
   1052   fiat_p256_uint1 x644;
   1053   fiat_p256_addcarryx_u32(&x643, &x644, 0x0, x635, x611);
   1054   uint32_t x645;
   1055   fiat_p256_uint1 x646;
   1056   fiat_p256_addcarryx_u32(&x645, &x646, x644, x637, x613);
   1057   uint32_t x647;
   1058   fiat_p256_uint1 x648;
   1059   fiat_p256_addcarryx_u32(&x647, &x648, x646, x639, x615);
   1060   uint32_t x649;
   1061   fiat_p256_uint1 x650;
   1062   fiat_p256_addcarryx_u32(&x649, &x650, x648, x641, x617);
   1063   uint32_t x651;
   1064   fiat_p256_uint1 x652;
   1065   fiat_p256_addcarryx_u32(&x651, &x652, x650, 0x0, x619);
   1066   uint32_t x653;
   1067   fiat_p256_uint1 x654;
   1068   fiat_p256_addcarryx_u32(&x653, &x654, x652, 0x0, x621);
   1069   uint32_t x655;
   1070   fiat_p256_uint1 x656;
   1071   fiat_p256_addcarryx_u32(&x655, &x656, x654, x611, x623);
   1072   uint32_t x657;
   1073   fiat_p256_uint1 x658;
   1074   fiat_p256_addcarryx_u32(&x657, &x658, x656, x629, x625);
   1075   uint32_t x659;
   1076   fiat_p256_uint1 x660;
   1077   fiat_p256_addcarryx_u32(&x659, &x660, x658, x630, x627);
   1078   uint32_t x661;
   1079   fiat_p256_uint1 x662;
   1080   fiat_p256_addcarryx_u32(&x661, &x662, x660, 0x0, x628);
   1081   uint32_t x663;
   1082   fiat_p256_uint1 x664;
   1083   fiat_p256_subborrowx_u32(&x663, &x664, 0x0, x645, UINT32_C(0xffffffff));
   1084   uint32_t x665;
   1085   fiat_p256_uint1 x666;
   1086   fiat_p256_subborrowx_u32(&x665, &x666, x664, x647, UINT32_C(0xffffffff));
   1087   uint32_t x667;
   1088   fiat_p256_uint1 x668;
   1089   fiat_p256_subborrowx_u32(&x667, &x668, x666, x649, UINT32_C(0xffffffff));
   1090   uint32_t x669;
   1091   fiat_p256_uint1 x670;
   1092   fiat_p256_subborrowx_u32(&x669, &x670, x668, x651, 0x0);
   1093   uint32_t x671;
   1094   fiat_p256_uint1 x672;
   1095   fiat_p256_subborrowx_u32(&x671, &x672, x670, x653, 0x0);
   1096   uint32_t x673;
   1097   fiat_p256_uint1 x674;
   1098   fiat_p256_subborrowx_u32(&x673, &x674, x672, x655, 0x0);
   1099   uint32_t x675;
   1100   fiat_p256_uint1 x676;
   1101   fiat_p256_subborrowx_u32(&x675, &x676, x674, x657, 0x1);
   1102   uint32_t x677;
   1103   fiat_p256_uint1 x678;
   1104   fiat_p256_subborrowx_u32(&x677, &x678, x676, x659, UINT32_C(0xffffffff));
   1105   uint32_t x679;
   1106   fiat_p256_uint1 x680;
   1107   fiat_p256_subborrowx_u32(&x679, &x680, x678, x661, 0x0);
   1108   uint32_t x681;
   1109   fiat_p256_cmovznz_u32(&x681, x680, x663, x645);
   1110   uint32_t x682;
   1111   fiat_p256_cmovznz_u32(&x682, x680, x665, x647);
   1112   uint32_t x683;
   1113   fiat_p256_cmovznz_u32(&x683, x680, x667, x649);
   1114   uint32_t x684;
   1115   fiat_p256_cmovznz_u32(&x684, x680, x669, x651);
   1116   uint32_t x685;
   1117   fiat_p256_cmovznz_u32(&x685, x680, x671, x653);
   1118   uint32_t x686;
   1119   fiat_p256_cmovznz_u32(&x686, x680, x673, x655);
   1120   uint32_t x687;
   1121   fiat_p256_cmovznz_u32(&x687, x680, x675, x657);
   1122   uint32_t x688;
   1123   fiat_p256_cmovznz_u32(&x688, x680, x677, x659);
   1124   out1[0] = x681;
   1125   out1[1] = x682;
   1126   out1[2] = x683;
   1127   out1[3] = x684;
   1128   out1[4] = x685;
   1129   out1[5] = x686;
   1130   out1[6] = x687;
   1131   out1[7] = x688;
   1132 }
   1133 
   1134 /*
   1135  * Input Bounds:
   1136  *   arg1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
   1137  * Output Bounds:
   1138  *   out1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
   1139  */
   1140 static void fiat_p256_square(uint32_t out1[8], const uint32_t arg1[8]) {
   1141   uint32_t x1 = (arg1[1]);
   1142   uint32_t x2 = (arg1[2]);
   1143   uint32_t x3 = (arg1[3]);
   1144   uint32_t x4 = (arg1[4]);
   1145   uint32_t x5 = (arg1[5]);
   1146   uint32_t x6 = (arg1[6]);
   1147   uint32_t x7 = (arg1[7]);
   1148   uint32_t x8 = (arg1[0]);
   1149   uint32_t x9;
   1150   uint32_t x10;
   1151   fiat_p256_mulx_u32(&x9, &x10, x8, (arg1[7]));
   1152   uint32_t x11;
   1153   uint32_t x12;
   1154   fiat_p256_mulx_u32(&x11, &x12, x8, (arg1[6]));
   1155   uint32_t x13;
   1156   uint32_t x14;
   1157   fiat_p256_mulx_u32(&x13, &x14, x8, (arg1[5]));
   1158   uint32_t x15;
   1159   uint32_t x16;
   1160   fiat_p256_mulx_u32(&x15, &x16, x8, (arg1[4]));
   1161   uint32_t x17;
   1162   uint32_t x18;
   1163   fiat_p256_mulx_u32(&x17, &x18, x8, (arg1[3]));
   1164   uint32_t x19;
   1165   uint32_t x20;
   1166   fiat_p256_mulx_u32(&x19, &x20, x8, (arg1[2]));
   1167   uint32_t x21;
   1168   uint32_t x22;
   1169   fiat_p256_mulx_u32(&x21, &x22, x8, (arg1[1]));
   1170   uint32_t x23;
   1171   uint32_t x24;
   1172   fiat_p256_mulx_u32(&x23, &x24, x8, (arg1[0]));
   1173   uint32_t x25;
   1174   fiat_p256_uint1 x26;
   1175   fiat_p256_addcarryx_u32(&x25, &x26, 0x0, x21, x24);
   1176   uint32_t x27;
   1177   fiat_p256_uint1 x28;
   1178   fiat_p256_addcarryx_u32(&x27, &x28, x26, x19, x22);
   1179   uint32_t x29;
   1180   fiat_p256_uint1 x30;
   1181   fiat_p256_addcarryx_u32(&x29, &x30, x28, x17, x20);
   1182   uint32_t x31;
   1183   fiat_p256_uint1 x32;
   1184   fiat_p256_addcarryx_u32(&x31, &x32, x30, x15, x18);
   1185   uint32_t x33;
   1186   fiat_p256_uint1 x34;
   1187   fiat_p256_addcarryx_u32(&x33, &x34, x32, x13, x16);
   1188   uint32_t x35;
   1189   fiat_p256_uint1 x36;
   1190   fiat_p256_addcarryx_u32(&x35, &x36, x34, x11, x14);
   1191   uint32_t x37;
   1192   fiat_p256_uint1 x38;
   1193   fiat_p256_addcarryx_u32(&x37, &x38, x36, x9, x12);
   1194   uint32_t x39;
   1195   fiat_p256_uint1 x40;
   1196   fiat_p256_addcarryx_u32(&x39, &x40, x38, 0x0, x10);
   1197   uint32_t x41;
   1198   uint32_t x42;
   1199   fiat_p256_mulx_u32(&x41, &x42, x23, UINT32_C(0xffffffff));
   1200   uint32_t x43;
   1201   uint32_t x44;
   1202   fiat_p256_mulx_u32(&x43, &x44, x23, UINT32_C(0xffffffff));
   1203   uint32_t x45;
   1204   uint32_t x46;
   1205   fiat_p256_mulx_u32(&x45, &x46, x23, UINT32_C(0xffffffff));
   1206   uint32_t x47;
   1207   uint32_t x48;
   1208   fiat_p256_mulx_u32(&x47, &x48, x23, UINT32_C(0xffffffff));
   1209   uint32_t x49;
   1210   fiat_p256_uint1 x50;
   1211   fiat_p256_addcarryx_u32(&x49, &x50, 0x0, x45, x48);
   1212   uint32_t x51;
   1213   fiat_p256_uint1 x52;
   1214   fiat_p256_addcarryx_u32(&x51, &x52, x50, x43, x46);
   1215   uint32_t x53;
   1216   fiat_p256_uint1 x54;
   1217   fiat_p256_addcarryx_u32(&x53, &x54, x52, 0x0, x44);
   1218   uint32_t x55;
   1219   fiat_p256_uint1 x56;
   1220   fiat_p256_addcarryx_u32(&x55, &x56, 0x0, x47, x23);
   1221   uint32_t x57;
   1222   fiat_p256_uint1 x58;
   1223   fiat_p256_addcarryx_u32(&x57, &x58, x56, x49, x25);
   1224   uint32_t x59;
   1225   fiat_p256_uint1 x60;
   1226   fiat_p256_addcarryx_u32(&x59, &x60, x58, x51, x27);
   1227   uint32_t x61;
   1228   fiat_p256_uint1 x62;
   1229   fiat_p256_addcarryx_u32(&x61, &x62, x60, x53, x29);
   1230   uint32_t x63;
   1231   fiat_p256_uint1 x64;
   1232   fiat_p256_addcarryx_u32(&x63, &x64, x62, 0x0, x31);
   1233   uint32_t x65;
   1234   fiat_p256_uint1 x66;
   1235   fiat_p256_addcarryx_u32(&x65, &x66, x64, 0x0, x33);
   1236   uint32_t x67;
   1237   fiat_p256_uint1 x68;
   1238   fiat_p256_addcarryx_u32(&x67, &x68, x66, x23, x35);
   1239   uint32_t x69;
   1240   fiat_p256_uint1 x70;
   1241   fiat_p256_addcarryx_u32(&x69, &x70, x68, x41, x37);
   1242   uint32_t x71;
   1243   fiat_p256_uint1 x72;
   1244   fiat_p256_addcarryx_u32(&x71, &x72, x70, x42, x39);
   1245   uint32_t x73;
   1246   fiat_p256_uint1 x74;
   1247   fiat_p256_addcarryx_u32(&x73, &x74, x72, 0x0, 0x0);
   1248   uint32_t x75;
   1249   uint32_t x76;
   1250   fiat_p256_mulx_u32(&x75, &x76, x1, (arg1[7]));
   1251   uint32_t x77;
   1252   uint32_t x78;
   1253   fiat_p256_mulx_u32(&x77, &x78, x1, (arg1[6]));
   1254   uint32_t x79;
   1255   uint32_t x80;
   1256   fiat_p256_mulx_u32(&x79, &x80, x1, (arg1[5]));
   1257   uint32_t x81;
   1258   uint32_t x82;
   1259   fiat_p256_mulx_u32(&x81, &x82, x1, (arg1[4]));
   1260   uint32_t x83;
   1261   uint32_t x84;
   1262   fiat_p256_mulx_u32(&x83, &x84, x1, (arg1[3]));
   1263   uint32_t x85;
   1264   uint32_t x86;
   1265   fiat_p256_mulx_u32(&x85, &x86, x1, (arg1[2]));
   1266   uint32_t x87;
   1267   uint32_t x88;
   1268   fiat_p256_mulx_u32(&x87, &x88, x1, (arg1[1]));
   1269   uint32_t x89;
   1270   uint32_t x90;
   1271   fiat_p256_mulx_u32(&x89, &x90, x1, (arg1[0]));
   1272   uint32_t x91;
   1273   fiat_p256_uint1 x92;
   1274   fiat_p256_addcarryx_u32(&x91, &x92, 0x0, x87, x90);
   1275   uint32_t x93;
   1276   fiat_p256_uint1 x94;
   1277   fiat_p256_addcarryx_u32(&x93, &x94, x92, x85, x88);
   1278   uint32_t x95;
   1279   fiat_p256_uint1 x96;
   1280   fiat_p256_addcarryx_u32(&x95, &x96, x94, x83, x86);
   1281   uint32_t x97;
   1282   fiat_p256_uint1 x98;
   1283   fiat_p256_addcarryx_u32(&x97, &x98, x96, x81, x84);
   1284   uint32_t x99;
   1285   fiat_p256_uint1 x100;
   1286   fiat_p256_addcarryx_u32(&x99, &x100, x98, x79, x82);
   1287   uint32_t x101;
   1288   fiat_p256_uint1 x102;
   1289   fiat_p256_addcarryx_u32(&x101, &x102, x100, x77, x80);
   1290   uint32_t x103;
   1291   fiat_p256_uint1 x104;
   1292   fiat_p256_addcarryx_u32(&x103, &x104, x102, x75, x78);
   1293   uint32_t x105;
   1294   fiat_p256_uint1 x106;
   1295   fiat_p256_addcarryx_u32(&x105, &x106, x104, 0x0, x76);
   1296   uint32_t x107;
   1297   fiat_p256_uint1 x108;
   1298   fiat_p256_addcarryx_u32(&x107, &x108, 0x0, x89, x57);
   1299   uint32_t x109;
   1300   fiat_p256_uint1 x110;
   1301   fiat_p256_addcarryx_u32(&x109, &x110, x108, x91, x59);
   1302   uint32_t x111;
   1303   fiat_p256_uint1 x112;
   1304   fiat_p256_addcarryx_u32(&x111, &x112, x110, x93, x61);
   1305   uint32_t x113;
   1306   fiat_p256_uint1 x114;
   1307   fiat_p256_addcarryx_u32(&x113, &x114, x112, x95, x63);
   1308   uint32_t x115;
   1309   fiat_p256_uint1 x116;
   1310   fiat_p256_addcarryx_u32(&x115, &x116, x114, x97, x65);
   1311   uint32_t x117;
   1312   fiat_p256_uint1 x118;
   1313   fiat_p256_addcarryx_u32(&x117, &x118, x116, x99, x67);
   1314   uint32_t x119;
   1315   fiat_p256_uint1 x120;
   1316   fiat_p256_addcarryx_u32(&x119, &x120, x118, x101, x69);
   1317   uint32_t x121;
   1318   fiat_p256_uint1 x122;
   1319   fiat_p256_addcarryx_u32(&x121, &x122, x120, x103, x71);
   1320   uint32_t x123;
   1321   fiat_p256_uint1 x124;
   1322   fiat_p256_addcarryx_u32(&x123, &x124, x122, x105, (fiat_p256_uint1)x73);
   1323   uint32_t x125;
   1324   uint32_t x126;
   1325   fiat_p256_mulx_u32(&x125, &x126, x107, UINT32_C(0xffffffff));
   1326   uint32_t x127;
   1327   uint32_t x128;
   1328   fiat_p256_mulx_u32(&x127, &x128, x107, UINT32_C(0xffffffff));
   1329   uint32_t x129;
   1330   uint32_t x130;
   1331   fiat_p256_mulx_u32(&x129, &x130, x107, UINT32_C(0xffffffff));
   1332   uint32_t x131;
   1333   uint32_t x132;
   1334   fiat_p256_mulx_u32(&x131, &x132, x107, UINT32_C(0xffffffff));
   1335   uint32_t x133;
   1336   fiat_p256_uint1 x134;
   1337   fiat_p256_addcarryx_u32(&x133, &x134, 0x0, x129, x132);
   1338   uint32_t x135;
   1339   fiat_p256_uint1 x136;
   1340   fiat_p256_addcarryx_u32(&x135, &x136, x134, x127, x130);
   1341   uint32_t x137;
   1342   fiat_p256_uint1 x138;
   1343   fiat_p256_addcarryx_u32(&x137, &x138, x136, 0x0, x128);
   1344   uint32_t x139;
   1345   fiat_p256_uint1 x140;
   1346   fiat_p256_addcarryx_u32(&x139, &x140, 0x0, x131, x107);
   1347   uint32_t x141;
   1348   fiat_p256_uint1 x142;
   1349   fiat_p256_addcarryx_u32(&x141, &x142, x140, x133, x109);
   1350   uint32_t x143;
   1351   fiat_p256_uint1 x144;
   1352   fiat_p256_addcarryx_u32(&x143, &x144, x142, x135, x111);
   1353   uint32_t x145;
   1354   fiat_p256_uint1 x146;
   1355   fiat_p256_addcarryx_u32(&x145, &x146, x144, x137, x113);
   1356   uint32_t x147;
   1357   fiat_p256_uint1 x148;
   1358   fiat_p256_addcarryx_u32(&x147, &x148, x146, 0x0, x115);
   1359   uint32_t x149;
   1360   fiat_p256_uint1 x150;
   1361   fiat_p256_addcarryx_u32(&x149, &x150, x148, 0x0, x117);
   1362   uint32_t x151;
   1363   fiat_p256_uint1 x152;
   1364   fiat_p256_addcarryx_u32(&x151, &x152, x150, x107, x119);
   1365   uint32_t x153;
   1366   fiat_p256_uint1 x154;
   1367   fiat_p256_addcarryx_u32(&x153, &x154, x152, x125, x121);
   1368   uint32_t x155;
   1369   fiat_p256_uint1 x156;
   1370   fiat_p256_addcarryx_u32(&x155, &x156, x154, x126, x123);
   1371   uint32_t x157;
   1372   fiat_p256_uint1 x158;
   1373   fiat_p256_addcarryx_u32(&x157, &x158, x156, 0x0, x124);
   1374   uint32_t x159;
   1375   uint32_t x160;
   1376   fiat_p256_mulx_u32(&x159, &x160, x2, (arg1[7]));
   1377   uint32_t x161;
   1378   uint32_t x162;
   1379   fiat_p256_mulx_u32(&x161, &x162, x2, (arg1[6]));
   1380   uint32_t x163;
   1381   uint32_t x164;
   1382   fiat_p256_mulx_u32(&x163, &x164, x2, (arg1[5]));
   1383   uint32_t x165;
   1384   uint32_t x166;
   1385   fiat_p256_mulx_u32(&x165, &x166, x2, (arg1[4]));
   1386   uint32_t x167;
   1387   uint32_t x168;
   1388   fiat_p256_mulx_u32(&x167, &x168, x2, (arg1[3]));
   1389   uint32_t x169;
   1390   uint32_t x170;
   1391   fiat_p256_mulx_u32(&x169, &x170, x2, (arg1[2]));
   1392   uint32_t x171;
   1393   uint32_t x172;
   1394   fiat_p256_mulx_u32(&x171, &x172, x2, (arg1[1]));
   1395   uint32_t x173;
   1396   uint32_t x174;
   1397   fiat_p256_mulx_u32(&x173, &x174, x2, (arg1[0]));
   1398   uint32_t x175;
   1399   fiat_p256_uint1 x176;
   1400   fiat_p256_addcarryx_u32(&x175, &x176, 0x0, x171, x174);
   1401   uint32_t x177;
   1402   fiat_p256_uint1 x178;
   1403   fiat_p256_addcarryx_u32(&x177, &x178, x176, x169, x172);
   1404   uint32_t x179;
   1405   fiat_p256_uint1 x180;
   1406   fiat_p256_addcarryx_u32(&x179, &x180, x178, x167, x170);
   1407   uint32_t x181;
   1408   fiat_p256_uint1 x182;
   1409   fiat_p256_addcarryx_u32(&x181, &x182, x180, x165, x168);
   1410   uint32_t x183;
   1411   fiat_p256_uint1 x184;
   1412   fiat_p256_addcarryx_u32(&x183, &x184, x182, x163, x166);
   1413   uint32_t x185;
   1414   fiat_p256_uint1 x186;
   1415   fiat_p256_addcarryx_u32(&x185, &x186, x184, x161, x164);
   1416   uint32_t x187;
   1417   fiat_p256_uint1 x188;
   1418   fiat_p256_addcarryx_u32(&x187, &x188, x186, x159, x162);
   1419   uint32_t x189;
   1420   fiat_p256_uint1 x190;
   1421   fiat_p256_addcarryx_u32(&x189, &x190, x188, 0x0, x160);
   1422   uint32_t x191;
   1423   fiat_p256_uint1 x192;
   1424   fiat_p256_addcarryx_u32(&x191, &x192, 0x0, x173, x141);
   1425   uint32_t x193;
   1426   fiat_p256_uint1 x194;
   1427   fiat_p256_addcarryx_u32(&x193, &x194, x192, x175, x143);
   1428   uint32_t x195;
   1429   fiat_p256_uint1 x196;
   1430   fiat_p256_addcarryx_u32(&x195, &x196, x194, x177, x145);
   1431   uint32_t x197;
   1432   fiat_p256_uint1 x198;
   1433   fiat_p256_addcarryx_u32(&x197, &x198, x196, x179, x147);
   1434   uint32_t x199;
   1435   fiat_p256_uint1 x200;
   1436   fiat_p256_addcarryx_u32(&x199, &x200, x198, x181, x149);
   1437   uint32_t x201;
   1438   fiat_p256_uint1 x202;
   1439   fiat_p256_addcarryx_u32(&x201, &x202, x200, x183, x151);
   1440   uint32_t x203;
   1441   fiat_p256_uint1 x204;
   1442   fiat_p256_addcarryx_u32(&x203, &x204, x202, x185, x153);
   1443   uint32_t x205;
   1444   fiat_p256_uint1 x206;
   1445   fiat_p256_addcarryx_u32(&x205, &x206, x204, x187, x155);
   1446   uint32_t x207;
   1447   fiat_p256_uint1 x208;
   1448   fiat_p256_addcarryx_u32(&x207, &x208, x206, x189, x157);
   1449   uint32_t x209;
   1450   uint32_t x210;
   1451   fiat_p256_mulx_u32(&x209, &x210, x191, UINT32_C(0xffffffff));
   1452   uint32_t x211;
   1453   uint32_t x212;
   1454   fiat_p256_mulx_u32(&x211, &x212, x191, UINT32_C(0xffffffff));
   1455   uint32_t x213;
   1456   uint32_t x214;
   1457   fiat_p256_mulx_u32(&x213, &x214, x191, UINT32_C(0xffffffff));
   1458   uint32_t x215;
   1459   uint32_t x216;
   1460   fiat_p256_mulx_u32(&x215, &x216, x191, UINT32_C(0xffffffff));
   1461   uint32_t x217;
   1462   fiat_p256_uint1 x218;
   1463   fiat_p256_addcarryx_u32(&x217, &x218, 0x0, x213, x216);
   1464   uint32_t x219;
   1465   fiat_p256_uint1 x220;
   1466   fiat_p256_addcarryx_u32(&x219, &x220, x218, x211, x214);
   1467   uint32_t x221;
   1468   fiat_p256_uint1 x222;
   1469   fiat_p256_addcarryx_u32(&x221, &x222, x220, 0x0, x212);
   1470   uint32_t x223;
   1471   fiat_p256_uint1 x224;
   1472   fiat_p256_addcarryx_u32(&x223, &x224, 0x0, x215, x191);
   1473   uint32_t x225;
   1474   fiat_p256_uint1 x226;
   1475   fiat_p256_addcarryx_u32(&x225, &x226, x224, x217, x193);
   1476   uint32_t x227;
   1477   fiat_p256_uint1 x228;
   1478   fiat_p256_addcarryx_u32(&x227, &x228, x226, x219, x195);
   1479   uint32_t x229;
   1480   fiat_p256_uint1 x230;
   1481   fiat_p256_addcarryx_u32(&x229, &x230, x228, x221, x197);
   1482   uint32_t x231;
   1483   fiat_p256_uint1 x232;
   1484   fiat_p256_addcarryx_u32(&x231, &x232, x230, 0x0, x199);
   1485   uint32_t x233;
   1486   fiat_p256_uint1 x234;
   1487   fiat_p256_addcarryx_u32(&x233, &x234, x232, 0x0, x201);
   1488   uint32_t x235;
   1489   fiat_p256_uint1 x236;
   1490   fiat_p256_addcarryx_u32(&x235, &x236, x234, x191, x203);
   1491   uint32_t x237;
   1492   fiat_p256_uint1 x238;
   1493   fiat_p256_addcarryx_u32(&x237, &x238, x236, x209, x205);
   1494   uint32_t x239;
   1495   fiat_p256_uint1 x240;
   1496   fiat_p256_addcarryx_u32(&x239, &x240, x238, x210, x207);
   1497   uint32_t x241;
   1498   fiat_p256_uint1 x242;
   1499   fiat_p256_addcarryx_u32(&x241, &x242, x240, 0x0, x208);
   1500   uint32_t x243;
   1501   uint32_t x244;
   1502   fiat_p256_mulx_u32(&x243, &x244, x3, (arg1[7]));
   1503   uint32_t x245;
   1504   uint32_t x246;
   1505   fiat_p256_mulx_u32(&x245, &x246, x3, (arg1[6]));
   1506   uint32_t x247;
   1507   uint32_t x248;
   1508   fiat_p256_mulx_u32(&x247, &x248, x3, (arg1[5]));
   1509   uint32_t x249;
   1510   uint32_t x250;
   1511   fiat_p256_mulx_u32(&x249, &x250, x3, (arg1[4]));
   1512   uint32_t x251;
   1513   uint32_t x252;
   1514   fiat_p256_mulx_u32(&x251, &x252, x3, (arg1[3]));
   1515   uint32_t x253;
   1516   uint32_t x254;
   1517   fiat_p256_mulx_u32(&x253, &x254, x3, (arg1[2]));
   1518   uint32_t x255;
   1519   uint32_t x256;
   1520   fiat_p256_mulx_u32(&x255, &x256, x3, (arg1[1]));
   1521   uint32_t x257;
   1522   uint32_t x258;
   1523   fiat_p256_mulx_u32(&x257, &x258, x3, (arg1[0]));
   1524   uint32_t x259;
   1525   fiat_p256_uint1 x260;
   1526   fiat_p256_addcarryx_u32(&x259, &x260, 0x0, x255, x258);
   1527   uint32_t x261;
   1528   fiat_p256_uint1 x262;
   1529   fiat_p256_addcarryx_u32(&x261, &x262, x260, x253, x256);
   1530   uint32_t x263;
   1531   fiat_p256_uint1 x264;
   1532   fiat_p256_addcarryx_u32(&x263, &x264, x262, x251, x254);
   1533   uint32_t x265;
   1534   fiat_p256_uint1 x266;
   1535   fiat_p256_addcarryx_u32(&x265, &x266, x264, x249, x252);
   1536   uint32_t x267;
   1537   fiat_p256_uint1 x268;
   1538   fiat_p256_addcarryx_u32(&x267, &x268, x266, x247, x250);
   1539   uint32_t x269;
   1540   fiat_p256_uint1 x270;
   1541   fiat_p256_addcarryx_u32(&x269, &x270, x268, x245, x248);
   1542   uint32_t x271;
   1543   fiat_p256_uint1 x272;
   1544   fiat_p256_addcarryx_u32(&x271, &x272, x270, x243, x246);
   1545   uint32_t x273;
   1546   fiat_p256_uint1 x274;
   1547   fiat_p256_addcarryx_u32(&x273, &x274, x272, 0x0, x244);
   1548   uint32_t x275;
   1549   fiat_p256_uint1 x276;
   1550   fiat_p256_addcarryx_u32(&x275, &x276, 0x0, x257, x225);
   1551   uint32_t x277;
   1552   fiat_p256_uint1 x278;
   1553   fiat_p256_addcarryx_u32(&x277, &x278, x276, x259, x227);
   1554   uint32_t x279;
   1555   fiat_p256_uint1 x280;
   1556   fiat_p256_addcarryx_u32(&x279, &x280, x278, x261, x229);
   1557   uint32_t x281;
   1558   fiat_p256_uint1 x282;
   1559   fiat_p256_addcarryx_u32(&x281, &x282, x280, x263, x231);
   1560   uint32_t x283;
   1561   fiat_p256_uint1 x284;
   1562   fiat_p256_addcarryx_u32(&x283, &x284, x282, x265, x233);
   1563   uint32_t x285;
   1564   fiat_p256_uint1 x286;
   1565   fiat_p256_addcarryx_u32(&x285, &x286, x284, x267, x235);
   1566   uint32_t x287;
   1567   fiat_p256_uint1 x288;
   1568   fiat_p256_addcarryx_u32(&x287, &x288, x286, x269, x237);
   1569   uint32_t x289;
   1570   fiat_p256_uint1 x290;
   1571   fiat_p256_addcarryx_u32(&x289, &x290, x288, x271, x239);
   1572   uint32_t x291;
   1573   fiat_p256_uint1 x292;
   1574   fiat_p256_addcarryx_u32(&x291, &x292, x290, x273, x241);
   1575   uint32_t x293;
   1576   uint32_t x294;
   1577   fiat_p256_mulx_u32(&x293, &x294, x275, UINT32_C(0xffffffff));
   1578   uint32_t x295;
   1579   uint32_t x296;
   1580   fiat_p256_mulx_u32(&x295, &x296, x275, UINT32_C(0xffffffff));
   1581   uint32_t x297;
   1582   uint32_t x298;
   1583   fiat_p256_mulx_u32(&x297, &x298, x275, UINT32_C(0xffffffff));
   1584   uint32_t x299;
   1585   uint32_t x300;
   1586   fiat_p256_mulx_u32(&x299, &x300, x275, UINT32_C(0xffffffff));
   1587   uint32_t x301;
   1588   fiat_p256_uint1 x302;
   1589   fiat_p256_addcarryx_u32(&x301, &x302, 0x0, x297, x300);
   1590   uint32_t x303;
   1591   fiat_p256_uint1 x304;
   1592   fiat_p256_addcarryx_u32(&x303, &x304, x302, x295, x298);
   1593   uint32_t x305;
   1594   fiat_p256_uint1 x306;
   1595   fiat_p256_addcarryx_u32(&x305, &x306, x304, 0x0, x296);
   1596   uint32_t x307;
   1597   fiat_p256_uint1 x308;
   1598   fiat_p256_addcarryx_u32(&x307, &x308, 0x0, x299, x275);
   1599   uint32_t x309;
   1600   fiat_p256_uint1 x310;
   1601   fiat_p256_addcarryx_u32(&x309, &x310, x308, x301, x277);
   1602   uint32_t x311;
   1603   fiat_p256_uint1 x312;
   1604   fiat_p256_addcarryx_u32(&x311, &x312, x310, x303, x279);
   1605   uint32_t x313;
   1606   fiat_p256_uint1 x314;
   1607   fiat_p256_addcarryx_u32(&x313, &x314, x312, x305, x281);
   1608   uint32_t x315;
   1609   fiat_p256_uint1 x316;
   1610   fiat_p256_addcarryx_u32(&x315, &x316, x314, 0x0, x283);
   1611   uint32_t x317;
   1612   fiat_p256_uint1 x318;
   1613   fiat_p256_addcarryx_u32(&x317, &x318, x316, 0x0, x285);
   1614   uint32_t x319;
   1615   fiat_p256_uint1 x320;
   1616   fiat_p256_addcarryx_u32(&x319, &x320, x318, x275, x287);
   1617   uint32_t x321;
   1618   fiat_p256_uint1 x322;
   1619   fiat_p256_addcarryx_u32(&x321, &x322, x320, x293, x289);
   1620   uint32_t x323;
   1621   fiat_p256_uint1 x324;
   1622   fiat_p256_addcarryx_u32(&x323, &x324, x322, x294, x291);
   1623   uint32_t x325;
   1624   fiat_p256_uint1 x326;
   1625   fiat_p256_addcarryx_u32(&x325, &x326, x324, 0x0, x292);
   1626   uint32_t x327;
   1627   uint32_t x328;
   1628   fiat_p256_mulx_u32(&x327, &x328, x4, (arg1[7]));
   1629   uint32_t x329;
   1630   uint32_t x330;
   1631   fiat_p256_mulx_u32(&x329, &x330, x4, (arg1[6]));
   1632   uint32_t x331;
   1633   uint32_t x332;
   1634   fiat_p256_mulx_u32(&x331, &x332, x4, (arg1[5]));
   1635   uint32_t x333;
   1636   uint32_t x334;
   1637   fiat_p256_mulx_u32(&x333, &x334, x4, (arg1[4]));
   1638   uint32_t x335;
   1639   uint32_t x336;
   1640   fiat_p256_mulx_u32(&x335, &x336, x4, (arg1[3]));
   1641   uint32_t x337;
   1642   uint32_t x338;
   1643   fiat_p256_mulx_u32(&x337, &x338, x4, (arg1[2]));
   1644   uint32_t x339;
   1645   uint32_t x340;
   1646   fiat_p256_mulx_u32(&x339, &x340, x4, (arg1[1]));
   1647   uint32_t x341;
   1648   uint32_t x342;
   1649   fiat_p256_mulx_u32(&x341, &x342, x4, (arg1[0]));
   1650   uint32_t x343;
   1651   fiat_p256_uint1 x344;
   1652   fiat_p256_addcarryx_u32(&x343, &x344, 0x0, x339, x342);
   1653   uint32_t x345;
   1654   fiat_p256_uint1 x346;
   1655   fiat_p256_addcarryx_u32(&x345, &x346, x344, x337, x340);
   1656   uint32_t x347;
   1657   fiat_p256_uint1 x348;
   1658   fiat_p256_addcarryx_u32(&x347, &x348, x346, x335, x338);
   1659   uint32_t x349;
   1660   fiat_p256_uint1 x350;
   1661   fiat_p256_addcarryx_u32(&x349, &x350, x348, x333, x336);
   1662   uint32_t x351;
   1663   fiat_p256_uint1 x352;
   1664   fiat_p256_addcarryx_u32(&x351, &x352, x350, x331, x334);
   1665   uint32_t x353;
   1666   fiat_p256_uint1 x354;
   1667   fiat_p256_addcarryx_u32(&x353, &x354, x352, x329, x332);
   1668   uint32_t x355;
   1669   fiat_p256_uint1 x356;
   1670   fiat_p256_addcarryx_u32(&x355, &x356, x354, x327, x330);
   1671   uint32_t x357;
   1672   fiat_p256_uint1 x358;
   1673   fiat_p256_addcarryx_u32(&x357, &x358, x356, 0x0, x328);
   1674   uint32_t x359;
   1675   fiat_p256_uint1 x360;
   1676   fiat_p256_addcarryx_u32(&x359, &x360, 0x0, x341, x309);
   1677   uint32_t x361;
   1678   fiat_p256_uint1 x362;
   1679   fiat_p256_addcarryx_u32(&x361, &x362, x360, x343, x311);
   1680   uint32_t x363;
   1681   fiat_p256_uint1 x364;
   1682   fiat_p256_addcarryx_u32(&x363, &x364, x362, x345, x313);
   1683   uint32_t x365;
   1684   fiat_p256_uint1 x366;
   1685   fiat_p256_addcarryx_u32(&x365, &x366, x364, x347, x315);
   1686   uint32_t x367;
   1687   fiat_p256_uint1 x368;
   1688   fiat_p256_addcarryx_u32(&x367, &x368, x366, x349, x317);
   1689   uint32_t x369;
   1690   fiat_p256_uint1 x370;
   1691   fiat_p256_addcarryx_u32(&x369, &x370, x368, x351, x319);
   1692   uint32_t x371;
   1693   fiat_p256_uint1 x372;
   1694   fiat_p256_addcarryx_u32(&x371, &x372, x370, x353, x321);
   1695   uint32_t x373;
   1696   fiat_p256_uint1 x374;
   1697   fiat_p256_addcarryx_u32(&x373, &x374, x372, x355, x323);
   1698   uint32_t x375;
   1699   fiat_p256_uint1 x376;
   1700   fiat_p256_addcarryx_u32(&x375, &x376, x374, x357, x325);
   1701   uint32_t x377;
   1702   uint32_t x378;
   1703   fiat_p256_mulx_u32(&x377, &x378, x359, UINT32_C(0xffffffff));
   1704   uint32_t x379;
   1705   uint32_t x380;
   1706   fiat_p256_mulx_u32(&x379, &x380, x359, UINT32_C(0xffffffff));
   1707   uint32_t x381;
   1708   uint32_t x382;
   1709   fiat_p256_mulx_u32(&x381, &x382, x359, UINT32_C(0xffffffff));
   1710   uint32_t x383;
   1711   uint32_t x384;
   1712   fiat_p256_mulx_u32(&x383, &x384, x359, UINT32_C(0xffffffff));
   1713   uint32_t x385;
   1714   fiat_p256_uint1 x386;
   1715   fiat_p256_addcarryx_u32(&x385, &x386, 0x0, x381, x384);
   1716   uint32_t x387;
   1717   fiat_p256_uint1 x388;
   1718   fiat_p256_addcarryx_u32(&x387, &x388, x386, x379, x382);
   1719   uint32_t x389;
   1720   fiat_p256_uint1 x390;
   1721   fiat_p256_addcarryx_u32(&x389, &x390, x388, 0x0, x380);
   1722   uint32_t x391;
   1723   fiat_p256_uint1 x392;
   1724   fiat_p256_addcarryx_u32(&x391, &x392, 0x0, x383, x359);
   1725   uint32_t x393;
   1726   fiat_p256_uint1 x394;
   1727   fiat_p256_addcarryx_u32(&x393, &x394, x392, x385, x361);
   1728   uint32_t x395;
   1729   fiat_p256_uint1 x396;
   1730   fiat_p256_addcarryx_u32(&x395, &x396, x394, x387, x363);
   1731   uint32_t x397;
   1732   fiat_p256_uint1 x398;
   1733   fiat_p256_addcarryx_u32(&x397, &x398, x396, x389, x365);
   1734   uint32_t x399;
   1735   fiat_p256_uint1 x400;
   1736   fiat_p256_addcarryx_u32(&x399, &x400, x398, 0x0, x367);
   1737   uint32_t x401;
   1738   fiat_p256_uint1 x402;
   1739   fiat_p256_addcarryx_u32(&x401, &x402, x400, 0x0, x369);
   1740   uint32_t x403;
   1741   fiat_p256_uint1 x404;
   1742   fiat_p256_addcarryx_u32(&x403, &x404, x402, x359, x371);
   1743   uint32_t x405;
   1744   fiat_p256_uint1 x406;
   1745   fiat_p256_addcarryx_u32(&x405, &x406, x404, x377, x373);
   1746   uint32_t x407;
   1747   fiat_p256_uint1 x408;
   1748   fiat_p256_addcarryx_u32(&x407, &x408, x406, x378, x375);
   1749   uint32_t x409;
   1750   fiat_p256_uint1 x410;
   1751   fiat_p256_addcarryx_u32(&x409, &x410, x408, 0x0, x376);
   1752   uint32_t x411;
   1753   uint32_t x412;
   1754   fiat_p256_mulx_u32(&x411, &x412, x5, (arg1[7]));
   1755   uint32_t x413;
   1756   uint32_t x414;
   1757   fiat_p256_mulx_u32(&x413, &x414, x5, (arg1[6]));
   1758   uint32_t x415;
   1759   uint32_t x416;
   1760   fiat_p256_mulx_u32(&x415, &x416, x5, (arg1[5]));
   1761   uint32_t x417;
   1762   uint32_t x418;
   1763   fiat_p256_mulx_u32(&x417, &x418, x5, (arg1[4]));
   1764   uint32_t x419;
   1765   uint32_t x420;
   1766   fiat_p256_mulx_u32(&x419, &x420, x5, (arg1[3]));
   1767   uint32_t x421;
   1768   uint32_t x422;
   1769   fiat_p256_mulx_u32(&x421, &x422, x5, (arg1[2]));
   1770   uint32_t x423;
   1771   uint32_t x424;
   1772   fiat_p256_mulx_u32(&x423, &x424, x5, (arg1[1]));
   1773   uint32_t x425;
   1774   uint32_t x426;
   1775   fiat_p256_mulx_u32(&x425, &x426, x5, (arg1[0]));
   1776   uint32_t x427;
   1777   fiat_p256_uint1 x428;
   1778   fiat_p256_addcarryx_u32(&x427, &x428, 0x0, x423, x426);
   1779   uint32_t x429;
   1780   fiat_p256_uint1 x430;
   1781   fiat_p256_addcarryx_u32(&x429, &x430, x428, x421, x424);
   1782   uint32_t x431;
   1783   fiat_p256_uint1 x432;
   1784   fiat_p256_addcarryx_u32(&x431, &x432, x430, x419, x422);
   1785   uint32_t x433;
   1786   fiat_p256_uint1 x434;
   1787   fiat_p256_addcarryx_u32(&x433, &x434, x432, x417, x420);
   1788   uint32_t x435;
   1789   fiat_p256_uint1 x436;
   1790   fiat_p256_addcarryx_u32(&x435, &x436, x434, x415, x418);
   1791   uint32_t x437;
   1792   fiat_p256_uint1 x438;
   1793   fiat_p256_addcarryx_u32(&x437, &x438, x436, x413, x416);
   1794   uint32_t x439;
   1795   fiat_p256_uint1 x440;
   1796   fiat_p256_addcarryx_u32(&x439, &x440, x438, x411, x414);
   1797   uint32_t x441;
   1798   fiat_p256_uint1 x442;
   1799   fiat_p256_addcarryx_u32(&x441, &x442, x440, 0x0, x412);
   1800   uint32_t x443;
   1801   fiat_p256_uint1 x444;
   1802   fiat_p256_addcarryx_u32(&x443, &x444, 0x0, x425, x393);
   1803   uint32_t x445;
   1804   fiat_p256_uint1 x446;
   1805   fiat_p256_addcarryx_u32(&x445, &x446, x444, x427, x395);
   1806   uint32_t x447;
   1807   fiat_p256_uint1 x448;
   1808   fiat_p256_addcarryx_u32(&x447, &x448, x446, x429, x397);
   1809   uint32_t x449;
   1810   fiat_p256_uint1 x450;
   1811   fiat_p256_addcarryx_u32(&x449, &x450, x448, x431, x399);
   1812   uint32_t x451;
   1813   fiat_p256_uint1 x452;
   1814   fiat_p256_addcarryx_u32(&x451, &x452, x450, x433, x401);
   1815   uint32_t x453;
   1816   fiat_p256_uint1 x454;
   1817   fiat_p256_addcarryx_u32(&x453, &x454, x452, x435, x403);
   1818   uint32_t x455;
   1819   fiat_p256_uint1 x456;
   1820   fiat_p256_addcarryx_u32(&x455, &x456, x454, x437, x405);
   1821   uint32_t x457;
   1822   fiat_p256_uint1 x458;
   1823   fiat_p256_addcarryx_u32(&x457, &x458, x456, x439, x407);
   1824   uint32_t x459;
   1825   fiat_p256_uint1 x460;
   1826   fiat_p256_addcarryx_u32(&x459, &x460, x458, x441, x409);
   1827   uint32_t x461;
   1828   uint32_t x462;
   1829   fiat_p256_mulx_u32(&x461, &x462, x443, UINT32_C(0xffffffff));
   1830   uint32_t x463;
   1831   uint32_t x464;
   1832   fiat_p256_mulx_u32(&x463, &x464, x443, UINT32_C(0xffffffff));
   1833   uint32_t x465;
   1834   uint32_t x466;
   1835   fiat_p256_mulx_u32(&x465, &x466, x443, UINT32_C(0xffffffff));
   1836   uint32_t x467;
   1837   uint32_t x468;
   1838   fiat_p256_mulx_u32(&x467, &x468, x443, UINT32_C(0xffffffff));
   1839   uint32_t x469;
   1840   fiat_p256_uint1 x470;
   1841   fiat_p256_addcarryx_u32(&x469, &x470, 0x0, x465, x468);
   1842   uint32_t x471;
   1843   fiat_p256_uint1 x472;
   1844   fiat_p256_addcarryx_u32(&x471, &x472, x470, x463, x466);
   1845   uint32_t x473;
   1846   fiat_p256_uint1 x474;
   1847   fiat_p256_addcarryx_u32(&x473, &x474, x472, 0x0, x464);
   1848   uint32_t x475;
   1849   fiat_p256_uint1 x476;
   1850   fiat_p256_addcarryx_u32(&x475, &x476, 0x0, x467, x443);
   1851   uint32_t x477;
   1852   fiat_p256_uint1 x478;
   1853   fiat_p256_addcarryx_u32(&x477, &x478, x476, x469, x445);
   1854   uint32_t x479;
   1855   fiat_p256_uint1 x480;
   1856   fiat_p256_addcarryx_u32(&x479, &x480, x478, x471, x447);
   1857   uint32_t x481;
   1858   fiat_p256_uint1 x482;
   1859   fiat_p256_addcarryx_u32(&x481, &x482, x480, x473, x449);
   1860   uint32_t x483;
   1861   fiat_p256_uint1 x484;
   1862   fiat_p256_addcarryx_u32(&x483, &x484, x482, 0x0, x451);
   1863   uint32_t x485;
   1864   fiat_p256_uint1 x486;
   1865   fiat_p256_addcarryx_u32(&x485, &x486, x484, 0x0, x453);
   1866   uint32_t x487;
   1867   fiat_p256_uint1 x488;
   1868   fiat_p256_addcarryx_u32(&x487, &x488, x486, x443, x455);
   1869   uint32_t x489;
   1870   fiat_p256_uint1 x490;
   1871   fiat_p256_addcarryx_u32(&x489, &x490, x488, x461, x457);
   1872   uint32_t x491;
   1873   fiat_p256_uint1 x492;
   1874   fiat_p256_addcarryx_u32(&x491, &x492, x490, x462, x459);
   1875   uint32_t x493;
   1876   fiat_p256_uint1 x494;
   1877   fiat_p256_addcarryx_u32(&x493, &x494, x492, 0x0, x460);
   1878   uint32_t x495;
   1879   uint32_t x496;
   1880   fiat_p256_mulx_u32(&x495, &x496, x6, (arg1[7]));
   1881   uint32_t x497;
   1882   uint32_t x498;
   1883   fiat_p256_mulx_u32(&x497, &x498, x6, (arg1[6]));
   1884   uint32_t x499;
   1885   uint32_t x500;
   1886   fiat_p256_mulx_u32(&x499, &x500, x6, (arg1[5]));
   1887   uint32_t x501;
   1888   uint32_t x502;
   1889   fiat_p256_mulx_u32(&x501, &x502, x6, (arg1[4]));
   1890   uint32_t x503;
   1891   uint32_t x504;
   1892   fiat_p256_mulx_u32(&x503, &x504, x6, (arg1[3]));
   1893   uint32_t x505;
   1894   uint32_t x506;
   1895   fiat_p256_mulx_u32(&x505, &x506, x6, (arg1[2]));
   1896   uint32_t x507;
   1897   uint32_t x508;
   1898   fiat_p256_mulx_u32(&x507, &x508, x6, (arg1[1]));
   1899   uint32_t x509;
   1900   uint32_t x510;
   1901   fiat_p256_mulx_u32(&x509, &x510, x6, (arg1[0]));
   1902   uint32_t x511;
   1903   fiat_p256_uint1 x512;
   1904   fiat_p256_addcarryx_u32(&x511, &x512, 0x0, x507, x510);
   1905   uint32_t x513;
   1906   fiat_p256_uint1 x514;
   1907   fiat_p256_addcarryx_u32(&x513, &x514, x512, x505, x508);
   1908   uint32_t x515;
   1909   fiat_p256_uint1 x516;
   1910   fiat_p256_addcarryx_u32(&x515, &x516, x514, x503, x506);
   1911   uint32_t x517;
   1912   fiat_p256_uint1 x518;
   1913   fiat_p256_addcarryx_u32(&x517, &x518, x516, x501, x504);
   1914   uint32_t x519;
   1915   fiat_p256_uint1 x520;
   1916   fiat_p256_addcarryx_u32(&x519, &x520, x518, x499, x502);
   1917   uint32_t x521;
   1918   fiat_p256_uint1 x522;
   1919   fiat_p256_addcarryx_u32(&x521, &x522, x520, x497, x500);
   1920   uint32_t x523;
   1921   fiat_p256_uint1 x524;
   1922   fiat_p256_addcarryx_u32(&x523, &x524, x522, x495, x498);
   1923   uint32_t x525;
   1924   fiat_p256_uint1 x526;
   1925   fiat_p256_addcarryx_u32(&x525, &x526, x524, 0x0, x496);
   1926   uint32_t x527;
   1927   fiat_p256_uint1 x528;
   1928   fiat_p256_addcarryx_u32(&x527, &x528, 0x0, x509, x477);
   1929   uint32_t x529;
   1930   fiat_p256_uint1 x530;
   1931   fiat_p256_addcarryx_u32(&x529, &x530, x528, x511, x479);
   1932   uint32_t x531;
   1933   fiat_p256_uint1 x532;
   1934   fiat_p256_addcarryx_u32(&x531, &x532, x530, x513, x481);
   1935   uint32_t x533;
   1936   fiat_p256_uint1 x534;
   1937   fiat_p256_addcarryx_u32(&x533, &x534, x532, x515, x483);
   1938   uint32_t x535;
   1939   fiat_p256_uint1 x536;
   1940   fiat_p256_addcarryx_u32(&x535, &x536, x534, x517, x485);
   1941   uint32_t x537;
   1942   fiat_p256_uint1 x538;
   1943   fiat_p256_addcarryx_u32(&x537, &x538, x536, x519, x487);
   1944   uint32_t x539;
   1945   fiat_p256_uint1 x540;
   1946   fiat_p256_addcarryx_u32(&x539, &x540, x538, x521, x489);
   1947   uint32_t x541;
   1948   fiat_p256_uint1 x542;
   1949   fiat_p256_addcarryx_u32(&x541, &x542, x540, x523, x491);
   1950   uint32_t x543;
   1951   fiat_p256_uint1 x544;
   1952   fiat_p256_addcarryx_u32(&x543, &x544, x542, x525, x493);
   1953   uint32_t x545;
   1954   uint32_t x546;
   1955   fiat_p256_mulx_u32(&x545, &x546, x527, UINT32_C(0xffffffff));
   1956   uint32_t x547;
   1957   uint32_t x548;
   1958   fiat_p256_mulx_u32(&x547, &x548, x527, UINT32_C(0xffffffff));
   1959   uint32_t x549;
   1960   uint32_t x550;
   1961   fiat_p256_mulx_u32(&x549, &x550, x527, UINT32_C(0xffffffff));
   1962   uint32_t x551;
   1963   uint32_t x552;
   1964   fiat_p256_mulx_u32(&x551, &x552, x527, UINT32_C(0xffffffff));
   1965   uint32_t x553;
   1966   fiat_p256_uint1 x554;
   1967   fiat_p256_addcarryx_u32(&x553, &x554, 0x0, x549, x552);
   1968   uint32_t x555;
   1969   fiat_p256_uint1 x556;
   1970   fiat_p256_addcarryx_u32(&x555, &x556, x554, x547, x550);
   1971   uint32_t x557;
   1972   fiat_p256_uint1 x558;
   1973   fiat_p256_addcarryx_u32(&x557, &x558, x556, 0x0, x548);
   1974   uint32_t x559;
   1975   fiat_p256_uint1 x560;
   1976   fiat_p256_addcarryx_u32(&x559, &x560, 0x0, x551, x527);
   1977   uint32_t x561;
   1978   fiat_p256_uint1 x562;
   1979   fiat_p256_addcarryx_u32(&x561, &x562, x560, x553, x529);
   1980   uint32_t x563;
   1981   fiat_p256_uint1 x564;
   1982   fiat_p256_addcarryx_u32(&x563, &x564, x562, x555, x531);
   1983   uint32_t x565;
   1984   fiat_p256_uint1 x566;
   1985   fiat_p256_addcarryx_u32(&x565, &x566, x564, x557, x533);
   1986   uint32_t x567;
   1987   fiat_p256_uint1 x568;
   1988   fiat_p256_addcarryx_u32(&x567, &x568, x566, 0x0, x535);
   1989   uint32_t x569;
   1990   fiat_p256_uint1 x570;
   1991   fiat_p256_addcarryx_u32(&x569, &x570, x568, 0x0, x537);
   1992   uint32_t x571;
   1993   fiat_p256_uint1 x572;
   1994   fiat_p256_addcarryx_u32(&x571, &x572, x570, x527, x539);
   1995   uint32_t x573;
   1996   fiat_p256_uint1 x574;
   1997   fiat_p256_addcarryx_u32(&x573, &x574, x572, x545, x541);
   1998   uint32_t x575;
   1999   fiat_p256_uint1 x576;
   2000   fiat_p256_addcarryx_u32(&x575, &x576, x574, x546, x543);
   2001   uint32_t x577;
   2002   fiat_p256_uint1 x578;
   2003   fiat_p256_addcarryx_u32(&x577, &x578, x576, 0x0, x544);
   2004   uint32_t x579;
   2005   uint32_t x580;
   2006   fiat_p256_mulx_u32(&x579, &x580, x7, (arg1[7]));
   2007   uint32_t x581;
   2008   uint32_t x582;
   2009   fiat_p256_mulx_u32(&x581, &x582, x7, (arg1[6]));
   2010   uint32_t x583;
   2011   uint32_t x584;
   2012   fiat_p256_mulx_u32(&x583, &x584, x7, (arg1[5]));
   2013   uint32_t x585;
   2014   uint32_t x586;
   2015   fiat_p256_mulx_u32(&x585, &x586, x7, (arg1[4]));
   2016   uint32_t x587;
   2017   uint32_t x588;
   2018   fiat_p256_mulx_u32(&x587, &x588, x7, (arg1[3]));
   2019   uint32_t x589;
   2020   uint32_t x590;
   2021   fiat_p256_mulx_u32(&x589, &x590, x7, (arg1[2]));
   2022   uint32_t x591;
   2023   uint32_t x592;
   2024   fiat_p256_mulx_u32(&x591, &x592, x7, (arg1[1]));
   2025   uint32_t x593;
   2026   uint32_t x594;
   2027   fiat_p256_mulx_u32(&x593, &x594, x7, (arg1[0]));
   2028   uint32_t x595;
   2029   fiat_p256_uint1 x596;
   2030   fiat_p256_addcarryx_u32(&x595, &x596, 0x0, x591, x594);
   2031   uint32_t x597;
   2032   fiat_p256_uint1 x598;
   2033   fiat_p256_addcarryx_u32(&x597, &x598, x596, x589, x592);
   2034   uint32_t x599;
   2035   fiat_p256_uint1 x600;
   2036   fiat_p256_addcarryx_u32(&x599, &x600, x598, x587, x590);
   2037   uint32_t x601;
   2038   fiat_p256_uint1 x602;
   2039   fiat_p256_addcarryx_u32(&x601, &x602, x600, x585, x588);
   2040   uint32_t x603;
   2041   fiat_p256_uint1 x604;
   2042   fiat_p256_addcarryx_u32(&x603, &x604, x602, x583, x586);
   2043   uint32_t x605;
   2044   fiat_p256_uint1 x606;
   2045   fiat_p256_addcarryx_u32(&x605, &x606, x604, x581, x584);
   2046   uint32_t x607;
   2047   fiat_p256_uint1 x608;
   2048   fiat_p256_addcarryx_u32(&x607, &x608, x606, x579, x582);
   2049   uint32_t x609;
   2050   fiat_p256_uint1 x610;
   2051   fiat_p256_addcarryx_u32(&x609, &x610, x608, 0x0, x580);
   2052   uint32_t x611;
   2053   fiat_p256_uint1 x612;
   2054   fiat_p256_addcarryx_u32(&x611, &x612, 0x0, x593, x561);
   2055   uint32_t x613;
   2056   fiat_p256_uint1 x614;
   2057   fiat_p256_addcarryx_u32(&x613, &x614, x612, x595, x563);
   2058   uint32_t x615;
   2059   fiat_p256_uint1 x616;
   2060   fiat_p256_addcarryx_u32(&x615, &x616, x614, x597, x565);
   2061   uint32_t x617;
   2062   fiat_p256_uint1 x618;
   2063   fiat_p256_addcarryx_u32(&x617, &x618, x616, x599, x567);
   2064   uint32_t x619;
   2065   fiat_p256_uint1 x620;
   2066   fiat_p256_addcarryx_u32(&x619, &x620, x618, x601, x569);
   2067   uint32_t x621;
   2068   fiat_p256_uint1 x622;
   2069   fiat_p256_addcarryx_u32(&x621, &x622, x620, x603, x571);
   2070   uint32_t x623;
   2071   fiat_p256_uint1 x624;
   2072   fiat_p256_addcarryx_u32(&x623, &x624, x622, x605, x573);
   2073   uint32_t x625;
   2074   fiat_p256_uint1 x626;
   2075   fiat_p256_addcarryx_u32(&x625, &x626, x624, x607, x575);
   2076   uint32_t x627;
   2077   fiat_p256_uint1 x628;
   2078   fiat_p256_addcarryx_u32(&x627, &x628, x626, x609, x577);
   2079   uint32_t x629;
   2080   uint32_t x630;
   2081   fiat_p256_mulx_u32(&x629, &x630, x611, UINT32_C(0xffffffff));
   2082   uint32_t x631;
   2083   uint32_t x632;
   2084   fiat_p256_mulx_u32(&x631, &x632, x611, UINT32_C(0xffffffff));
   2085   uint32_t x633;
   2086   uint32_t x634;
   2087   fiat_p256_mulx_u32(&x633, &x634, x611, UINT32_C(0xffffffff));
   2088   uint32_t x635;
   2089   uint32_t x636;
   2090   fiat_p256_mulx_u32(&x635, &x636, x611, UINT32_C(0xffffffff));
   2091   uint32_t x637;
   2092   fiat_p256_uint1 x638;
   2093   fiat_p256_addcarryx_u32(&x637, &x638, 0x0, x633, x636);
   2094   uint32_t x639;
   2095   fiat_p256_uint1 x640;
   2096   fiat_p256_addcarryx_u32(&x639, &x640, x638, x631, x634);
   2097   uint32_t x641;
   2098   fiat_p256_uint1 x642;
   2099   fiat_p256_addcarryx_u32(&x641, &x642, x640, 0x0, x632);
   2100   uint32_t x643;
   2101   fiat_p256_uint1 x644;
   2102   fiat_p256_addcarryx_u32(&x643, &x644, 0x0, x635, x611);
   2103   uint32_t x645;
   2104   fiat_p256_uint1 x646;
   2105   fiat_p256_addcarryx_u32(&x645, &x646, x644, x637, x613);
   2106   uint32_t x647;
   2107   fiat_p256_uint1 x648;
   2108   fiat_p256_addcarryx_u32(&x647, &x648, x646, x639, x615);
   2109   uint32_t x649;
   2110   fiat_p256_uint1 x650;
   2111   fiat_p256_addcarryx_u32(&x649, &x650, x648, x641, x617);
   2112   uint32_t x651;
   2113   fiat_p256_uint1 x652;
   2114   fiat_p256_addcarryx_u32(&x651, &x652, x650, 0x0, x619);
   2115   uint32_t x653;
   2116   fiat_p256_uint1 x654;
   2117   fiat_p256_addcarryx_u32(&x653, &x654, x652, 0x0, x621);
   2118   uint32_t x655;
   2119   fiat_p256_uint1 x656;
   2120   fiat_p256_addcarryx_u32(&x655, &x656, x654, x611, x623);
   2121   uint32_t x657;
   2122   fiat_p256_uint1 x658;
   2123   fiat_p256_addcarryx_u32(&x657, &x658, x656, x629, x625);
   2124   uint32_t x659;
   2125   fiat_p256_uint1 x660;
   2126   fiat_p256_addcarryx_u32(&x659, &x660, x658, x630, x627);
   2127   uint32_t x661;
   2128   fiat_p256_uint1 x662;
   2129   fiat_p256_addcarryx_u32(&x661, &x662, x660, 0x0, x628);
   2130   uint32_t x663;
   2131   fiat_p256_uint1 x664;
   2132   fiat_p256_subborrowx_u32(&x663, &x664, 0x0, x645, UINT32_C(0xffffffff));
   2133   uint32_t x665;
   2134   fiat_p256_uint1 x666;
   2135   fiat_p256_subborrowx_u32(&x665, &x666, x664, x647, UINT32_C(0xffffffff));
   2136   uint32_t x667;
   2137   fiat_p256_uint1 x668;
   2138   fiat_p256_subborrowx_u32(&x667, &x668, x666, x649, UINT32_C(0xffffffff));
   2139   uint32_t x669;
   2140   fiat_p256_uint1 x670;
   2141   fiat_p256_subborrowx_u32(&x669, &x670, x668, x651, 0x0);
   2142   uint32_t x671;
   2143   fiat_p256_uint1 x672;
   2144   fiat_p256_subborrowx_u32(&x671, &x672, x670, x653, 0x0);
   2145   uint32_t x673;
   2146   fiat_p256_uint1 x674;
   2147   fiat_p256_subborrowx_u32(&x673, &x674, x672, x655, 0x0);
   2148   uint32_t x675;
   2149   fiat_p256_uint1 x676;
   2150   fiat_p256_subborrowx_u32(&x675, &x676, x674, x657, 0x1);
   2151   uint32_t x677;
   2152   fiat_p256_uint1 x678;
   2153   fiat_p256_subborrowx_u32(&x677, &x678, x676, x659, UINT32_C(0xffffffff));
   2154   uint32_t x679;
   2155   fiat_p256_uint1 x680;
   2156   fiat_p256_subborrowx_u32(&x679, &x680, x678, x661, 0x0);
   2157   uint32_t x681;
   2158   fiat_p256_cmovznz_u32(&x681, x680, x663, x645);
   2159   uint32_t x682;
   2160   fiat_p256_cmovznz_u32(&x682, x680, x665, x647);
   2161   uint32_t x683;
   2162   fiat_p256_cmovznz_u32(&x683, x680, x667, x649);
   2163   uint32_t x684;
   2164   fiat_p256_cmovznz_u32(&x684, x680, x669, x651);
   2165   uint32_t x685;
   2166   fiat_p256_cmovznz_u32(&x685, x680, x671, x653);
   2167   uint32_t x686;
   2168   fiat_p256_cmovznz_u32(&x686, x680, x673, x655);
   2169   uint32_t x687;
   2170   fiat_p256_cmovznz_u32(&x687, x680, x675, x657);
   2171   uint32_t x688;
   2172   fiat_p256_cmovznz_u32(&x688, x680, x677, x659);
   2173   out1[0] = x681;
   2174   out1[1] = x682;
   2175   out1[2] = x683;
   2176   out1[3] = x684;
   2177   out1[4] = x685;
   2178   out1[5] = x686;
   2179   out1[6] = x687;
   2180   out1[7] = x688;
   2181 }
   2182 
   2183 /*
   2184  * Input Bounds:
   2185  *   arg1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
   2186  *   arg2: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
   2187  * Output Bounds:
   2188  *   out1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
   2189  */
   2190 static void fiat_p256_add(uint32_t out1[8], const uint32_t arg1[8], const uint32_t arg2[8]) {
   2191   uint32_t x1;
   2192   fiat_p256_uint1 x2;
   2193   fiat_p256_addcarryx_u32(&x1, &x2, 0x0, (arg2[0]), (arg1[0]));
   2194   uint32_t x3;
   2195   fiat_p256_uint1 x4;
   2196   fiat_p256_addcarryx_u32(&x3, &x4, x2, (arg2[1]), (arg1[1]));
   2197   uint32_t x5;
   2198   fiat_p256_uint1 x6;
   2199   fiat_p256_addcarryx_u32(&x5, &x6, x4, (arg2[2]), (arg1[2]));
   2200   uint32_t x7;
   2201   fiat_p256_uint1 x8;
   2202   fiat_p256_addcarryx_u32(&x7, &x8, x6, (arg2[3]), (arg1[3]));
   2203   uint32_t x9;
   2204   fiat_p256_uint1 x10;
   2205   fiat_p256_addcarryx_u32(&x9, &x10, x8, (arg2[4]), (arg1[4]));
   2206   uint32_t x11;
   2207   fiat_p256_uint1 x12;
   2208   fiat_p256_addcarryx_u32(&x11, &x12, x10, (arg2[5]), (arg1[5]));
   2209   uint32_t x13;
   2210   fiat_p256_uint1 x14;
   2211   fiat_p256_addcarryx_u32(&x13, &x14, x12, (arg2[6]), (arg1[6]));
   2212   uint32_t x15;
   2213   fiat_p256_uint1 x16;
   2214   fiat_p256_addcarryx_u32(&x15, &x16, x14, (arg2[7]), (arg1[7]));
   2215   uint32_t x17;
   2216   fiat_p256_uint1 x18;
   2217   fiat_p256_subborrowx_u32(&x17, &x18, 0x0, x1, UINT32_C(0xffffffff));
   2218   uint32_t x19;
   2219   fiat_p256_uint1 x20;
   2220   fiat_p256_subborrowx_u32(&x19, &x20, x18, x3, UINT32_C(0xffffffff));
   2221   uint32_t x21;
   2222   fiat_p256_uint1 x22;
   2223   fiat_p256_subborrowx_u32(&x21, &x22, x20, x5, UINT32_C(0xffffffff));
   2224   uint32_t x23;
   2225   fiat_p256_uint1 x24;
   2226   fiat_p256_subborrowx_u32(&x23, &x24, x22, x7, 0x0);
   2227   uint32_t x25;
   2228   fiat_p256_uint1 x26;
   2229   fiat_p256_subborrowx_u32(&x25, &x26, x24, x9, 0x0);
   2230   uint32_t x27;
   2231   fiat_p256_uint1 x28;
   2232   fiat_p256_subborrowx_u32(&x27, &x28, x26, x11, 0x0);
   2233   uint32_t x29;
   2234   fiat_p256_uint1 x30;
   2235   fiat_p256_subborrowx_u32(&x29, &x30, x28, x13, 0x1);
   2236   uint32_t x31;
   2237   fiat_p256_uint1 x32;
   2238   fiat_p256_subborrowx_u32(&x31, &x32, x30, x15, UINT32_C(0xffffffff));
   2239   uint32_t x33;
   2240   fiat_p256_uint1 x34;
   2241   fiat_p256_subborrowx_u32(&x33, &x34, x32, x16, 0x0);
   2242   uint32_t x35;
   2243   fiat_p256_cmovznz_u32(&x35, x34, x17, x1);
   2244   uint32_t x36;
   2245   fiat_p256_cmovznz_u32(&x36, x34, x19, x3);
   2246   uint32_t x37;
   2247   fiat_p256_cmovznz_u32(&x37, x34, x21, x5);
   2248   uint32_t x38;
   2249   fiat_p256_cmovznz_u32(&x38, x34, x23, x7);
   2250   uint32_t x39;
   2251   fiat_p256_cmovznz_u32(&x39, x34, x25, x9);
   2252   uint32_t x40;
   2253   fiat_p256_cmovznz_u32(&x40, x34, x27, x11);
   2254   uint32_t x41;
   2255   fiat_p256_cmovznz_u32(&x41, x34, x29, x13);
   2256   uint32_t x42;
   2257   fiat_p256_cmovznz_u32(&x42, x34, x31, x15);
   2258   out1[0] = x35;
   2259   out1[1] = x36;
   2260   out1[2] = x37;
   2261   out1[3] = x38;
   2262   out1[4] = x39;
   2263   out1[5] = x40;
   2264   out1[6] = x41;
   2265   out1[7] = x42;
   2266 }
   2267 
   2268 /*
   2269  * Input Bounds:
   2270  *   arg1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
   2271  *   arg2: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
   2272  * Output Bounds:
   2273  *   out1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
   2274  */
   2275 static void fiat_p256_sub(uint32_t out1[8], const uint32_t arg1[8], const uint32_t arg2[8]) {
   2276   uint32_t x1;
   2277   fiat_p256_uint1 x2;
   2278   fiat_p256_subborrowx_u32(&x1, &x2, 0x0, (arg1[0]), (arg2[0]));
   2279   uint32_t x3;
   2280   fiat_p256_uint1 x4;
   2281   fiat_p256_subborrowx_u32(&x3, &x4, x2, (arg1[1]), (arg2[1]));
   2282   uint32_t x5;
   2283   fiat_p256_uint1 x6;
   2284   fiat_p256_subborrowx_u32(&x5, &x6, x4, (arg1[2]), (arg2[2]));
   2285   uint32_t x7;
   2286   fiat_p256_uint1 x8;
   2287   fiat_p256_subborrowx_u32(&x7, &x8, x6, (arg1[3]), (arg2[3]));
   2288   uint32_t x9;
   2289   fiat_p256_uint1 x10;
   2290   fiat_p256_subborrowx_u32(&x9, &x10, x8, (arg1[4]), (arg2[4]));
   2291   uint32_t x11;
   2292   fiat_p256_uint1 x12;
   2293   fiat_p256_subborrowx_u32(&x11, &x12, x10, (arg1[5]), (arg2[5]));
   2294   uint32_t x13;
   2295   fiat_p256_uint1 x14;
   2296   fiat_p256_subborrowx_u32(&x13, &x14, x12, (arg1[6]), (arg2[6]));
   2297   uint32_t x15;
   2298   fiat_p256_uint1 x16;
   2299   fiat_p256_subborrowx_u32(&x15, &x16, x14, (arg1[7]), (arg2[7]));
   2300   uint32_t x17;
   2301   fiat_p256_cmovznz_u32(&x17, x16, 0x0, UINT32_C(0xffffffff));
   2302   uint32_t x18;
   2303   fiat_p256_uint1 x19;
   2304   fiat_p256_addcarryx_u32(&x18, &x19, 0x0, (x17 & UINT32_C(0xffffffff)), x1);
   2305   uint32_t x20;
   2306   fiat_p256_uint1 x21;
   2307   fiat_p256_addcarryx_u32(&x20, &x21, x19, (x17 & UINT32_C(0xffffffff)), x3);
   2308   uint32_t x22;
   2309   fiat_p256_uint1 x23;
   2310   fiat_p256_addcarryx_u32(&x22, &x23, x21, (x17 & UINT32_C(0xffffffff)), x5);
   2311   uint32_t x24;
   2312   fiat_p256_uint1 x25;
   2313   fiat_p256_addcarryx_u32(&x24, &x25, x23, 0x0, x7);
   2314   uint32_t x26;
   2315   fiat_p256_uint1 x27;
   2316   fiat_p256_addcarryx_u32(&x26, &x27, x25, 0x0, x9);
   2317   uint32_t x28;
   2318   fiat_p256_uint1 x29;
   2319   fiat_p256_addcarryx_u32(&x28, &x29, x27, 0x0, x11);
   2320   uint32_t x30;
   2321   fiat_p256_uint1 x31;
   2322   fiat_p256_addcarryx_u32(&x30, &x31, x29, (fiat_p256_uint1)(x17 & 0x1), x13);
   2323   uint32_t x32;
   2324   fiat_p256_uint1 x33;
   2325   fiat_p256_addcarryx_u32(&x32, &x33, x31, (x17 & UINT32_C(0xffffffff)), x15);
   2326   out1[0] = x18;
   2327   out1[1] = x20;
   2328   out1[2] = x22;
   2329   out1[3] = x24;
   2330   out1[4] = x26;
   2331   out1[5] = x28;
   2332   out1[6] = x30;
   2333   out1[7] = x32;
   2334 }
   2335 
   2336 /*
   2337  * Input Bounds:
   2338  *   arg1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
   2339  * Output Bounds:
   2340  *   out1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
   2341  */
   2342 static void fiat_p256_opp(uint32_t out1[8], const uint32_t arg1[8]) {
   2343   uint32_t x1;
   2344   fiat_p256_uint1 x2;
   2345   fiat_p256_subborrowx_u32(&x1, &x2, 0x0, 0x0, (arg1[0]));
   2346   uint32_t x3;
   2347   fiat_p256_uint1 x4;
   2348   fiat_p256_subborrowx_u32(&x3, &x4, x2, 0x0, (arg1[1]));
   2349   uint32_t x5;
   2350   fiat_p256_uint1 x6;
   2351   fiat_p256_subborrowx_u32(&x5, &x6, x4, 0x0, (arg1[2]));
   2352   uint32_t x7;
   2353   fiat_p256_uint1 x8;
   2354   fiat_p256_subborrowx_u32(&x7, &x8, x6, 0x0, (arg1[3]));
   2355   uint32_t x9;
   2356   fiat_p256_uint1 x10;
   2357   fiat_p256_subborrowx_u32(&x9, &x10, x8, 0x0, (arg1[4]));
   2358   uint32_t x11;
   2359   fiat_p256_uint1 x12;
   2360   fiat_p256_subborrowx_u32(&x11, &x12, x10, 0x0, (arg1[5]));
   2361   uint32_t x13;
   2362   fiat_p256_uint1 x14;
   2363   fiat_p256_subborrowx_u32(&x13, &x14, x12, 0x0, (arg1[6]));
   2364   uint32_t x15;
   2365   fiat_p256_uint1 x16;
   2366   fiat_p256_subborrowx_u32(&x15, &x16, x14, 0x0, (arg1[7]));
   2367   uint32_t x17;
   2368   fiat_p256_cmovznz_u32(&x17, x16, 0x0, UINT32_C(0xffffffff));
   2369   uint32_t x18;
   2370   fiat_p256_uint1 x19;
   2371   fiat_p256_addcarryx_u32(&x18, &x19, 0x0, (x17 & UINT32_C(0xffffffff)), x1);
   2372   uint32_t x20;
   2373   fiat_p256_uint1 x21;
   2374   fiat_p256_addcarryx_u32(&x20, &x21, x19, (x17 & UINT32_C(0xffffffff)), x3);
   2375   uint32_t x22;
   2376   fiat_p256_uint1 x23;
   2377   fiat_p256_addcarryx_u32(&x22, &x23, x21, (x17 & UINT32_C(0xffffffff)), x5);
   2378   uint32_t x24;
   2379   fiat_p256_uint1 x25;
   2380   fiat_p256_addcarryx_u32(&x24, &x25, x23, 0x0, x7);
   2381   uint32_t x26;
   2382   fiat_p256_uint1 x27;
   2383   fiat_p256_addcarryx_u32(&x26, &x27, x25, 0x0, x9);
   2384   uint32_t x28;
   2385   fiat_p256_uint1 x29;
   2386   fiat_p256_addcarryx_u32(&x28, &x29, x27, 0x0, x11);
   2387   uint32_t x30;
   2388   fiat_p256_uint1 x31;
   2389   fiat_p256_addcarryx_u32(&x30, &x31, x29, (fiat_p256_uint1)(x17 & 0x1), x13);
   2390   uint32_t x32;
   2391   fiat_p256_uint1 x33;
   2392   fiat_p256_addcarryx_u32(&x32, &x33, x31, (x17 & UINT32_C(0xffffffff)), x15);
   2393   out1[0] = x18;
   2394   out1[1] = x20;
   2395   out1[2] = x22;
   2396   out1[3] = x24;
   2397   out1[4] = x26;
   2398   out1[5] = x28;
   2399   out1[6] = x30;
   2400   out1[7] = x32;
   2401 }
   2402 
   2403 /*
   2404  * Input Bounds:
   2405  *   arg1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
   2406  * Output Bounds:
   2407  *   out1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
   2408  */
   2409 static void fiat_p256_from_montgomery(uint32_t out1[8], const uint32_t arg1[8]) {
   2410   uint32_t x1 = (arg1[0]);
   2411   uint32_t x2;
   2412   uint32_t x3;
   2413   fiat_p256_mulx_u32(&x2, &x3, x1, UINT32_C(0xffffffff));
   2414   uint32_t x4;
   2415   uint32_t x5;
   2416   fiat_p256_mulx_u32(&x4, &x5, x1, UINT32_C(0xffffffff));
   2417   uint32_t x6;
   2418   uint32_t x7;
   2419   fiat_p256_mulx_u32(&x6, &x7, x1, UINT32_C(0xffffffff));
   2420   uint32_t x8;
   2421   uint32_t x9;
   2422   fiat_p256_mulx_u32(&x8, &x9, x1, UINT32_C(0xffffffff));
   2423   uint32_t x10;
   2424   fiat_p256_uint1 x11;
   2425   fiat_p256_addcarryx_u32(&x10, &x11, 0x0, x6, x9);
   2426   uint32_t x12;
   2427   fiat_p256_uint1 x13;
   2428   fiat_p256_addcarryx_u32(&x12, &x13, x11, x4, x7);
   2429   uint32_t x14;
   2430   fiat_p256_uint1 x15;
   2431   fiat_p256_addcarryx_u32(&x14, &x15, 0x0, x8, x1);
   2432   uint32_t x16;
   2433   fiat_p256_uint1 x17;
   2434   fiat_p256_addcarryx_u32(&x16, &x17, x15, x10, 0x0);
   2435   uint32_t x18;
   2436   fiat_p256_uint1 x19;
   2437   fiat_p256_addcarryx_u32(&x18, &x19, x17, x12, 0x0);
   2438   uint32_t x20;
   2439   fiat_p256_uint1 x21;
   2440   fiat_p256_addcarryx_u32(&x20, &x21, x13, 0x0, x5);
   2441   uint32_t x22;
   2442   fiat_p256_uint1 x23;
   2443   fiat_p256_addcarryx_u32(&x22, &x23, x19, x20, 0x0);
   2444   uint32_t x24;
   2445   fiat_p256_uint1 x25;
   2446   fiat_p256_addcarryx_u32(&x24, &x25, 0x0, (arg1[1]), x16);
   2447   uint32_t x26;
   2448   fiat_p256_uint1 x27;
   2449   fiat_p256_addcarryx_u32(&x26, &x27, x25, 0x0, x18);
   2450   uint32_t x28;
   2451   fiat_p256_uint1 x29;
   2452   fiat_p256_addcarryx_u32(&x28, &x29, x27, 0x0, x22);
   2453   uint32_t x30;
   2454   uint32_t x31;
   2455   fiat_p256_mulx_u32(&x30, &x31, x24, UINT32_C(0xffffffff));
   2456   uint32_t x32;
   2457   uint32_t x33;
   2458   fiat_p256_mulx_u32(&x32, &x33, x24, UINT32_C(0xffffffff));
   2459   uint32_t x34;
   2460   uint32_t x35;
   2461   fiat_p256_mulx_u32(&x34, &x35, x24, UINT32_C(0xffffffff));
   2462   uint32_t x36;
   2463   uint32_t x37;
   2464   fiat_p256_mulx_u32(&x36, &x37, x24, UINT32_C(0xffffffff));
   2465   uint32_t x38;
   2466   fiat_p256_uint1 x39;
   2467   fiat_p256_addcarryx_u32(&x38, &x39, 0x0, x34, x37);
   2468   uint32_t x40;
   2469   fiat_p256_uint1 x41;
   2470   fiat_p256_addcarryx_u32(&x40, &x41, x39, x32, x35);
   2471   uint32_t x42;
   2472   fiat_p256_uint1 x43;
   2473   fiat_p256_addcarryx_u32(&x42, &x43, 0x0, x36, x24);
   2474   uint32_t x44;
   2475   fiat_p256_uint1 x45;
   2476   fiat_p256_addcarryx_u32(&x44, &x45, x43, x38, x26);
   2477   uint32_t x46;
   2478   fiat_p256_uint1 x47;
   2479   fiat_p256_addcarryx_u32(&x46, &x47, x45, x40, x28);
   2480   uint32_t x48;
   2481   fiat_p256_uint1 x49;
   2482   fiat_p256_addcarryx_u32(&x48, &x49, x23, 0x0, 0x0);
   2483   uint32_t x50;
   2484   fiat_p256_uint1 x51;
   2485   fiat_p256_addcarryx_u32(&x50, &x51, x29, 0x0, (fiat_p256_uint1)x48);
   2486   uint32_t x52;
   2487   fiat_p256_uint1 x53;
   2488   fiat_p256_addcarryx_u32(&x52, &x53, x41, 0x0, x33);
   2489   uint32_t x54;
   2490   fiat_p256_uint1 x55;
   2491   fiat_p256_addcarryx_u32(&x54, &x55, x47, x52, x50);
   2492   uint32_t x56;
   2493   fiat_p256_uint1 x57;
   2494   fiat_p256_addcarryx_u32(&x56, &x57, 0x0, x24, x2);
   2495   uint32_t x58;
   2496   fiat_p256_uint1 x59;
   2497   fiat_p256_addcarryx_u32(&x58, &x59, x57, x30, x3);
   2498   uint32_t x60;
   2499   fiat_p256_uint1 x61;
   2500   fiat_p256_addcarryx_u32(&x60, &x61, 0x0, (arg1[2]), x44);
   2501   uint32_t x62;
   2502   fiat_p256_uint1 x63;
   2503   fiat_p256_addcarryx_u32(&x62, &x63, x61, 0x0, x46);
   2504   uint32_t x64;
   2505   fiat_p256_uint1 x65;
   2506   fiat_p256_addcarryx_u32(&x64, &x65, x63, 0x0, x54);
   2507   uint32_t x66;
   2508   uint32_t x67;
   2509   fiat_p256_mulx_u32(&x66, &x67, x60, UINT32_C(0xffffffff));
   2510   uint32_t x68;
   2511   uint32_t x69;
   2512   fiat_p256_mulx_u32(&x68, &x69, x60, UINT32_C(0xffffffff));
   2513   uint32_t x70;
   2514   uint32_t x71;
   2515   fiat_p256_mulx_u32(&x70, &x71, x60, UINT32_C(0xffffffff));
   2516   uint32_t x72;
   2517   uint32_t x73;
   2518   fiat_p256_mulx_u32(&x72, &x73, x60, UINT32_C(0xffffffff));
   2519   uint32_t x74;
   2520   fiat_p256_uint1 x75;
   2521   fiat_p256_addcarryx_u32(&x74, &x75, 0x0, x70, x73);
   2522   uint32_t x76;
   2523   fiat_p256_uint1 x77;
   2524   fiat_p256_addcarryx_u32(&x76, &x77, x75, x68, x71);
   2525   uint32_t x78;
   2526   fiat_p256_uint1 x79;
   2527   fiat_p256_addcarryx_u32(&x78, &x79, 0x0, x72, x60);
   2528   uint32_t x80;
   2529   fiat_p256_uint1 x81;
   2530   fiat_p256_addcarryx_u32(&x80, &x81, x79, x74, x62);
   2531   uint32_t x82;
   2532   fiat_p256_uint1 x83;
   2533   fiat_p256_addcarryx_u32(&x82, &x83, x81, x76, x64);
   2534   uint32_t x84;
   2535   fiat_p256_uint1 x85;
   2536   fiat_p256_addcarryx_u32(&x84, &x85, x55, 0x0, 0x0);
   2537   uint32_t x86;
   2538   fiat_p256_uint1 x87;
   2539   fiat_p256_addcarryx_u32(&x86, &x87, x65, 0x0, (fiat_p256_uint1)x84);
   2540   uint32_t x88;
   2541   fiat_p256_uint1 x89;
   2542   fiat_p256_addcarryx_u32(&x88, &x89, x77, 0x0, x69);
   2543   uint32_t x90;
   2544   fiat_p256_uint1 x91;
   2545   fiat_p256_addcarryx_u32(&x90, &x91, x83, x88, x86);
   2546   uint32_t x92;
   2547   fiat_p256_uint1 x93;
   2548   fiat_p256_addcarryx_u32(&x92, &x93, x91, 0x0, x1);
   2549   uint32_t x94;
   2550   fiat_p256_uint1 x95;
   2551   fiat_p256_addcarryx_u32(&x94, &x95, x93, 0x0, x56);
   2552   uint32_t x96;
   2553   fiat_p256_uint1 x97;
   2554   fiat_p256_addcarryx_u32(&x96, &x97, x95, x60, x58);
   2555   uint32_t x98;
   2556   fiat_p256_uint1 x99;
   2557   fiat_p256_addcarryx_u32(&x98, &x99, x59, x31, 0x0);
   2558   uint32_t x100;
   2559   fiat_p256_uint1 x101;
   2560   fiat_p256_addcarryx_u32(&x100, &x101, x97, x66, x98);
   2561   uint32_t x102;
   2562   fiat_p256_uint1 x103;
   2563   fiat_p256_addcarryx_u32(&x102, &x103, 0x0, (arg1[3]), x80);
   2564   uint32_t x104;
   2565   fiat_p256_uint1 x105;
   2566   fiat_p256_addcarryx_u32(&x104, &x105, x103, 0x0, x82);
   2567   uint32_t x106;
   2568   fiat_p256_uint1 x107;
   2569   fiat_p256_addcarryx_u32(&x106, &x107, x105, 0x0, x90);
   2570   uint32_t x108;
   2571   fiat_p256_uint1 x109;
   2572   fiat_p256_addcarryx_u32(&x108, &x109, x107, 0x0, x92);
   2573   uint32_t x110;
   2574   fiat_p256_uint1 x111;
   2575   fiat_p256_addcarryx_u32(&x110, &x111, x109, 0x0, x94);
   2576   uint32_t x112;
   2577   fiat_p256_uint1 x113;
   2578   fiat_p256_addcarryx_u32(&x112, &x113, x111, 0x0, x96);
   2579   uint32_t x114;
   2580   fiat_p256_uint1 x115;
   2581   fiat_p256_addcarryx_u32(&x114, &x115, x113, 0x0, x100);
   2582   uint32_t x116;
   2583   fiat_p256_uint1 x117;
   2584   fiat_p256_addcarryx_u32(&x116, &x117, x101, x67, 0x0);
   2585   uint32_t x118;
   2586   fiat_p256_uint1 x119;
   2587   fiat_p256_addcarryx_u32(&x118, &x119, x115, 0x0, x116);
   2588   uint32_t x120;
   2589   uint32_t x121;
   2590   fiat_p256_mulx_u32(&x120, &x121, x102, UINT32_C(0xffffffff));
   2591   uint32_t x122;
   2592   uint32_t x123;
   2593   fiat_p256_mulx_u32(&x122, &x123, x102, UINT32_C(0xffffffff));
   2594   uint32_t x124;
   2595   uint32_t x125;
   2596   fiat_p256_mulx_u32(&x124, &x125, x102, UINT32_C(0xffffffff));
   2597   uint32_t x126;
   2598   uint32_t x127;
   2599   fiat_p256_mulx_u32(&x126, &x127, x102, UINT32_C(0xffffffff));
   2600   uint32_t x128;
   2601   fiat_p256_uint1 x129;
   2602   fiat_p256_addcarryx_u32(&x128, &x129, 0x0, x124, x127);
   2603   uint32_t x130;
   2604   fiat_p256_uint1 x131;
   2605   fiat_p256_addcarryx_u32(&x130, &x131, x129, x122, x125);
   2606   uint32_t x132;
   2607   fiat_p256_uint1 x133;
   2608   fiat_p256_addcarryx_u32(&x132, &x133, 0x0, x126, x102);
   2609   uint32_t x134;
   2610   fiat_p256_uint1 x135;
   2611   fiat_p256_addcarryx_u32(&x134, &x135, x133, x128, x104);
   2612   uint32_t x136;
   2613   fiat_p256_uint1 x137;
   2614   fiat_p256_addcarryx_u32(&x136, &x137, x135, x130, x106);
   2615   uint32_t x138;
   2616   fiat_p256_uint1 x139;
   2617   fiat_p256_addcarryx_u32(&x138, &x139, x131, 0x0, x123);
   2618   uint32_t x140;
   2619   fiat_p256_uint1 x141;
   2620   fiat_p256_addcarryx_u32(&x140, &x141, x137, x138, x108);
   2621   uint32_t x142;
   2622   fiat_p256_uint1 x143;
   2623   fiat_p256_addcarryx_u32(&x142, &x143, x141, 0x0, x110);
   2624   uint32_t x144;
   2625   fiat_p256_uint1 x145;
   2626   fiat_p256_addcarryx_u32(&x144, &x145, x143, 0x0, x112);
   2627   uint32_t x146;
   2628   fiat_p256_uint1 x147;
   2629   fiat_p256_addcarryx_u32(&x146, &x147, x145, x102, x114);
   2630   uint32_t x148;
   2631   fiat_p256_uint1 x149;
   2632   fiat_p256_addcarryx_u32(&x148, &x149, x147, x120, x118);
   2633   uint32_t x150;
   2634   fiat_p256_uint1 x151;
   2635   fiat_p256_addcarryx_u32(&x150, &x151, x119, 0x0, 0x0);
   2636   uint32_t x152;
   2637   fiat_p256_uint1 x153;
   2638   fiat_p256_addcarryx_u32(&x152, &x153, x149, x121, (fiat_p256_uint1)x150);
   2639   uint32_t x154;
   2640   fiat_p256_uint1 x155;
   2641   fiat_p256_addcarryx_u32(&x154, &x155, 0x0, (arg1[4]), x134);
   2642   uint32_t x156;
   2643   fiat_p256_uint1 x157;
   2644   fiat_p256_addcarryx_u32(&x156, &x157, x155, 0x0, x136);
   2645   uint32_t x158;
   2646   fiat_p256_uint1 x159;
   2647   fiat_p256_addcarryx_u32(&x158, &x159, x157, 0x0, x140);
   2648   uint32_t x160;
   2649   fiat_p256_uint1 x161;
   2650   fiat_p256_addcarryx_u32(&x160, &x161, x159, 0x0, x142);
   2651   uint32_t x162;
   2652   fiat_p256_uint1 x163;
   2653   fiat_p256_addcarryx_u32(&x162, &x163, x161, 0x0, x144);
   2654   uint32_t x164;
   2655   fiat_p256_uint1 x165;
   2656   fiat_p256_addcarryx_u32(&x164, &x165, x163, 0x0, x146);
   2657   uint32_t x166;
   2658   fiat_p256_uint1 x167;
   2659   fiat_p256_addcarryx_u32(&x166, &x167, x165, 0x0, x148);
   2660   uint32_t x168;
   2661   fiat_p256_uint1 x169;
   2662   fiat_p256_addcarryx_u32(&x168, &x169, x167, 0x0, x152);
   2663   uint32_t x170;
   2664   uint32_t x171;
   2665   fiat_p256_mulx_u32(&x170, &x171, x154, UINT32_C(0xffffffff));
   2666   uint32_t x172;
   2667   uint32_t x173;
   2668   fiat_p256_mulx_u32(&x172, &x173, x154, UINT32_C(0xffffffff));
   2669   uint32_t x174;
   2670   uint32_t x175;
   2671   fiat_p256_mulx_u32(&x174, &x175, x154, UINT32_C(0xffffffff));
   2672   uint32_t x176;
   2673   uint32_t x177;
   2674   fiat_p256_mulx_u32(&x176, &x177, x154, UINT32_C(0xffffffff));
   2675   uint32_t x178;
   2676   fiat_p256_uint1 x179;
   2677   fiat_p256_addcarryx_u32(&x178, &x179, 0x0, x174, x177);
   2678   uint32_t x180;
   2679   fiat_p256_uint1 x181;
   2680   fiat_p256_addcarryx_u32(&x180, &x181, x179, x172, x175);
   2681   uint32_t x182;
   2682   fiat_p256_uint1 x183;
   2683   fiat_p256_addcarryx_u32(&x182, &x183, 0x0, x176, x154);
   2684   uint32_t x184;
   2685   fiat_p256_uint1 x185;
   2686   fiat_p256_addcarryx_u32(&x184, &x185, x183, x178, x156);
   2687   uint32_t x186;
   2688   fiat_p256_uint1 x187;
   2689   fiat_p256_addcarryx_u32(&x186, &x187, x185, x180, x158);
   2690   uint32_t x188;
   2691   fiat_p256_uint1 x189;
   2692   fiat_p256_addcarryx_u32(&x188, &x189, x181, 0x0, x173);
   2693   uint32_t x190;
   2694   fiat_p256_uint1 x191;
   2695   fiat_p256_addcarryx_u32(&x190, &x191, x187, x188, x160);
   2696   uint32_t x192;
   2697   fiat_p256_uint1 x193;
   2698   fiat_p256_addcarryx_u32(&x192, &x193, x191, 0x0, x162);
   2699   uint32_t x194;
   2700   fiat_p256_uint1 x195;
   2701   fiat_p256_addcarryx_u32(&x194, &x195, x193, 0x0, x164);
   2702   uint32_t x196;
   2703   fiat_p256_uint1 x197;
   2704   fiat_p256_addcarryx_u32(&x196, &x197, x195, x154, x166);
   2705   uint32_t x198;
   2706   fiat_p256_uint1 x199;
   2707   fiat_p256_addcarryx_u32(&x198, &x199, x197, x170, x168);
   2708   uint32_t x200;
   2709   fiat_p256_uint1 x201;
   2710   fiat_p256_addcarryx_u32(&x200, &x201, x153, 0x0, 0x0);
   2711   uint32_t x202;
   2712   fiat_p256_uint1 x203;
   2713   fiat_p256_addcarryx_u32(&x202, &x203, x169, 0x0, (fiat_p256_uint1)x200);
   2714   uint32_t x204;
   2715   fiat_p256_uint1 x205;
   2716   fiat_p256_addcarryx_u32(&x204, &x205, x199, x171, x202);
   2717   uint32_t x206;
   2718   fiat_p256_uint1 x207;
   2719   fiat_p256_addcarryx_u32(&x206, &x207, 0x0, (arg1[5]), x184);
   2720   uint32_t x208;
   2721   fiat_p256_uint1 x209;
   2722   fiat_p256_addcarryx_u32(&x208, &x209, x207, 0x0, x186);
   2723   uint32_t x210;
   2724   fiat_p256_uint1 x211;
   2725   fiat_p256_addcarryx_u32(&x210, &x211, x209, 0x0, x190);
   2726   uint32_t x212;
   2727   fiat_p256_uint1 x213;
   2728   fiat_p256_addcarryx_u32(&x212, &x213, x211, 0x0, x192);
   2729   uint32_t x214;
   2730   fiat_p256_uint1 x215;
   2731   fiat_p256_addcarryx_u32(&x214, &x215, x213, 0x0, x194);
   2732   uint32_t x216;
   2733   fiat_p256_uint1 x217;
   2734   fiat_p256_addcarryx_u32(&x216, &x217, x215, 0x0, x196);
   2735   uint32_t x218;
   2736   fiat_p256_uint1 x219;
   2737   fiat_p256_addcarryx_u32(&x218, &x219, x217, 0x0, x198);
   2738   uint32_t x220;
   2739   fiat_p256_uint1 x221;
   2740   fiat_p256_addcarryx_u32(&x220, &x221, x219, 0x0, x204);
   2741   uint32_t x222;
   2742   uint32_t x223;
   2743   fiat_p256_mulx_u32(&x222, &x223, x206, UINT32_C(0xffffffff));
   2744   uint32_t x224;
   2745   uint32_t x225;
   2746   fiat_p256_mulx_u32(&x224, &x225, x206, UINT32_C(0xffffffff));
   2747   uint32_t x226;
   2748   uint32_t x227;
   2749   fiat_p256_mulx_u32(&x226, &x227, x206, UINT32_C(0xffffffff));
   2750   uint32_t x228;
   2751   uint32_t x229;
   2752   fiat_p256_mulx_u32(&x228, &x229, x206, UINT32_C(0xffffffff));
   2753   uint32_t x230;
   2754   fiat_p256_uint1 x231;
   2755   fiat_p256_addcarryx_u32(&x230, &x231, 0x0, x226, x229);
   2756   uint32_t x232;
   2757   fiat_p256_uint1 x233;
   2758   fiat_p256_addcarryx_u32(&x232, &x233, x231, x224, x227);
   2759   uint32_t x234;
   2760   fiat_p256_uint1 x235;
   2761   fiat_p256_addcarryx_u32(&x234, &x235, 0x0, x228, x206);
   2762   uint32_t x236;
   2763   fiat_p256_uint1 x237;
   2764   fiat_p256_addcarryx_u32(&x236, &x237, x235, x230, x208);
   2765   uint32_t x238;
   2766   fiat_p256_uint1 x239;
   2767   fiat_p256_addcarryx_u32(&x238, &x239, x237, x232, x210);
   2768   uint32_t x240;
   2769   fiat_p256_uint1 x241;
   2770   fiat_p256_addcarryx_u32(&x240, &x241, x233, 0x0, x225);
   2771   uint32_t x242;
   2772   fiat_p256_uint1 x243;
   2773   fiat_p256_addcarryx_u32(&x242, &x243, x239, x240, x212);
   2774   uint32_t x244;
   2775   fiat_p256_uint1 x245;
   2776   fiat_p256_addcarryx_u32(&x244, &x245, x243, 0x0, x214);
   2777   uint32_t x246;
   2778   fiat_p256_uint1 x247;
   2779   fiat_p256_addcarryx_u32(&x246, &x247, x245, 0x0, x216);
   2780   uint32_t x248;
   2781   fiat_p256_uint1 x249;
   2782   fiat_p256_addcarryx_u32(&x248, &x249, x247, x206, x218);
   2783   uint32_t x250;
   2784   fiat_p256_uint1 x251;
   2785   fiat_p256_addcarryx_u32(&x250, &x251, x249, x222, x220);
   2786   uint32_t x252;
   2787   fiat_p256_uint1 x253;
   2788   fiat_p256_addcarryx_u32(&x252, &x253, x205, 0x0, 0x0);
   2789   uint32_t x254;
   2790   fiat_p256_uint1 x255;
   2791   fiat_p256_addcarryx_u32(&x254, &x255, x221, 0x0, (fiat_p256_uint1)x252);
   2792   uint32_t x256;
   2793   fiat_p256_uint1 x257;
   2794   fiat_p256_addcarryx_u32(&x256, &x257, x251, x223, x254);
   2795   uint32_t x258;
   2796   fiat_p256_uint1 x259;
   2797   fiat_p256_addcarryx_u32(&x258, &x259, 0x0, (arg1[6]), x236);
   2798   uint32_t x260;
   2799   fiat_p256_uint1 x261;
   2800   fiat_p256_addcarryx_u32(&x260, &x261, x259, 0x0, x238);
   2801   uint32_t x262;
   2802   fiat_p256_uint1 x263;
   2803   fiat_p256_addcarryx_u32(&x262, &x263, x261, 0x0, x242);
   2804   uint32_t x264;
   2805   fiat_p256_uint1 x265;
   2806   fiat_p256_addcarryx_u32(&x264, &x265, x263, 0x0, x244);
   2807   uint32_t x266;
   2808   fiat_p256_uint1 x267;
   2809   fiat_p256_addcarryx_u32(&x266, &x267, x265, 0x0, x246);
   2810   uint32_t x268;
   2811   fiat_p256_uint1 x269;
   2812   fiat_p256_addcarryx_u32(&x268, &x269, x267, 0x0, x248);
   2813   uint32_t x270;
   2814   fiat_p256_uint1 x271;
   2815   fiat_p256_addcarryx_u32(&x270, &x271, x269, 0x0, x250);
   2816   uint32_t x272;
   2817   fiat_p256_uint1 x273;
   2818   fiat_p256_addcarryx_u32(&x272, &x273, x271, 0x0, x256);
   2819   uint32_t x274;
   2820   uint32_t x275;
   2821   fiat_p256_mulx_u32(&x274, &x275, x258, UINT32_C(0xffffffff));
   2822   uint32_t x276;
   2823   uint32_t x277;
   2824   fiat_p256_mulx_u32(&x276, &x277, x258, UINT32_C(0xffffffff));
   2825   uint32_t x278;
   2826   uint32_t x279;
   2827   fiat_p256_mulx_u32(&x278, &x279, x258, UINT32_C(0xffffffff));
   2828   uint32_t x280;
   2829   uint32_t x281;
   2830   fiat_p256_mulx_u32(&x280, &x281, x258, UINT32_C(0xffffffff));
   2831   uint32_t x282;
   2832   fiat_p256_uint1 x283;
   2833   fiat_p256_addcarryx_u32(&x282, &x283, 0x0, x278, x281);
   2834   uint32_t x284;
   2835   fiat_p256_uint1 x285;
   2836   fiat_p256_addcarryx_u32(&x284, &x285, x283, x276, x279);
   2837   uint32_t x286;
   2838   fiat_p256_uint1 x287;
   2839   fiat_p256_addcarryx_u32(&x286, &x287, 0x0, x280, x258);
   2840   uint32_t x288;
   2841   fiat_p256_uint1 x289;
   2842   fiat_p256_addcarryx_u32(&x288, &x289, x287, x282, x260);
   2843   uint32_t x290;
   2844   fiat_p256_uint1 x291;
   2845   fiat_p256_addcarryx_u32(&x290, &x291, x289, x284, x262);
   2846   uint32_t x292;
   2847   fiat_p256_uint1 x293;
   2848   fiat_p256_addcarryx_u32(&x292, &x293, x285, 0x0, x277);
   2849   uint32_t x294;
   2850   fiat_p256_uint1 x295;
   2851   fiat_p256_addcarryx_u32(&x294, &x295, x291, x292, x264);
   2852   uint32_t x296;
   2853   fiat_p256_uint1 x297;
   2854   fiat_p256_addcarryx_u32(&x296, &x297, x295, 0x0, x266);
   2855   uint32_t x298;
   2856   fiat_p256_uint1 x299;
   2857   fiat_p256_addcarryx_u32(&x298, &x299, x297, 0x0, x268);
   2858   uint32_t x300;
   2859   fiat_p256_uint1 x301;
   2860   fiat_p256_addcarryx_u32(&x300, &x301, x299, x258, x270);
   2861   uint32_t x302;
   2862   fiat_p256_uint1 x303;
   2863   fiat_p256_addcarryx_u32(&x302, &x303, x301, x274, x272);
   2864   uint32_t x304;
   2865   fiat_p256_uint1 x305;
   2866   fiat_p256_addcarryx_u32(&x304, &x305, x257, 0x0, 0x0);
   2867   uint32_t x306;
   2868   fiat_p256_uint1 x307;
   2869   fiat_p256_addcarryx_u32(&x306, &x307, x273, 0x0, (fiat_p256_uint1)x304);
   2870   uint32_t x308;
   2871   fiat_p256_uint1 x309;
   2872   fiat_p256_addcarryx_u32(&x308, &x309, x303, x275, x306);
   2873   uint32_t x310;
   2874   fiat_p256_uint1 x311;
   2875   fiat_p256_addcarryx_u32(&x310, &x311, 0x0, (arg1[7]), x288);
   2876   uint32_t x312;
   2877   fiat_p256_uint1 x313;
   2878   fiat_p256_addcarryx_u32(&x312, &x313, x311, 0x0, x290);
   2879   uint32_t x314;
   2880   fiat_p256_uint1 x315;
   2881   fiat_p256_addcarryx_u32(&x314, &x315, x313, 0x0, x294);
   2882   uint32_t x316;
   2883   fiat_p256_uint1 x317;
   2884   fiat_p256_addcarryx_u32(&x316, &x317, x315, 0x0, x296);
   2885   uint32_t x318;
   2886   fiat_p256_uint1 x319;
   2887   fiat_p256_addcarryx_u32(&x318, &x319, x317, 0x0, x298);
   2888   uint32_t x320;
   2889   fiat_p256_uint1 x321;
   2890   fiat_p256_addcarryx_u32(&x320, &x321, x319, 0x0, x300);
   2891   uint32_t x322;
   2892   fiat_p256_uint1 x323;
   2893   fiat_p256_addcarryx_u32(&x322, &x323, x321, 0x0, x302);
   2894   uint32_t x324;
   2895   fiat_p256_uint1 x325;
   2896   fiat_p256_addcarryx_u32(&x324, &x325, x323, 0x0, x308);
   2897   uint32_t x326;
   2898   uint32_t x327;
   2899   fiat_p256_mulx_u32(&x326, &x327, x310, UINT32_C(0xffffffff));
   2900   uint32_t x328;
   2901   uint32_t x329;
   2902   fiat_p256_mulx_u32(&x328, &x329, x310, UINT32_C(0xffffffff));
   2903   uint32_t x330;
   2904   uint32_t x331;
   2905   fiat_p256_mulx_u32(&x330, &x331, x310, UINT32_C(0xffffffff));
   2906   uint32_t x332;
   2907   uint32_t x333;
   2908   fiat_p256_mulx_u32(&x332, &x333, x310, UINT32_C(0xffffffff));
   2909   uint32_t x334;
   2910   fiat_p256_uint1 x335;
   2911   fiat_p256_addcarryx_u32(&x334, &x335, 0x0, x330, x333);
   2912   uint32_t x336;
   2913   fiat_p256_uint1 x337;
   2914   fiat_p256_addcarryx_u32(&x336, &x337, x335, x328, x331);
   2915   uint32_t x338;
   2916   fiat_p256_uint1 x339;
   2917   fiat_p256_addcarryx_u32(&x338, &x339, 0x0, x332, x310);
   2918   uint32_t x340;
   2919   fiat_p256_uint1 x341;
   2920   fiat_p256_addcarryx_u32(&x340, &x341, x339, x334, x312);
   2921   uint32_t x342;
   2922   fiat_p256_uint1 x343;
   2923   fiat_p256_addcarryx_u32(&x342, &x343, x341, x336, x314);
   2924   uint32_t x344;
   2925   fiat_p256_uint1 x345;
   2926   fiat_p256_addcarryx_u32(&x344, &x345, x337, 0x0, x329);
   2927   uint32_t x346;
   2928   fiat_p256_uint1 x347;
   2929   fiat_p256_addcarryx_u32(&x346, &x347, x343, x344, x316);
   2930   uint32_t x348;
   2931   fiat_p256_uint1 x349;
   2932   fiat_p256_addcarryx_u32(&x348, &x349, x347, 0x0, x318);
   2933   uint32_t x350;
   2934   fiat_p256_uint1 x351;
   2935   fiat_p256_addcarryx_u32(&x350, &x351, x349, 0x0, x320);
   2936   uint32_t x352;
   2937   fiat_p256_uint1 x353;
   2938   fiat_p256_addcarryx_u32(&x352, &x353, x351, x310, x322);
   2939   uint32_t x354;
   2940   fiat_p256_uint1 x355;
   2941   fiat_p256_addcarryx_u32(&x354, &x355, x353, x326, x324);
   2942   uint32_t x356;
   2943   fiat_p256_uint1 x357;
   2944   fiat_p256_addcarryx_u32(&x356, &x357, x309, 0x0, 0x0);
   2945   uint32_t x358;
   2946   fiat_p256_uint1 x359;
   2947   fiat_p256_addcarryx_u32(&x358, &x359, x325, 0x0, (fiat_p256_uint1)x356);
   2948   uint32_t x360;
   2949   fiat_p256_uint1 x361;
   2950   fiat_p256_addcarryx_u32(&x360, &x361, x355, x327, x358);
   2951   uint32_t x362;
   2952   fiat_p256_uint1 x363;
   2953   fiat_p256_subborrowx_u32(&x362, &x363, 0x0, x340, UINT32_C(0xffffffff));
   2954   uint32_t x364;
   2955   fiat_p256_uint1 x365;
   2956   fiat_p256_subborrowx_u32(&x364, &x365, x363, x342, UINT32_C(0xffffffff));
   2957   uint32_t x366;
   2958   fiat_p256_uint1 x367;
   2959   fiat_p256_subborrowx_u32(&x366, &x367, x365, x346, UINT32_C(0xffffffff));
   2960   uint32_t x368;
   2961   fiat_p256_uint1 x369;
   2962   fiat_p256_subborrowx_u32(&x368, &x369, x367, x348, 0x0);
   2963   uint32_t x370;
   2964   fiat_p256_uint1 x371;
   2965   fiat_p256_subborrowx_u32(&x370, &x371, x369, x350, 0x0);
   2966   uint32_t x372;
   2967   fiat_p256_uint1 x373;
   2968   fiat_p256_subborrowx_u32(&x372, &x373, x371, x352, 0x0);
   2969   uint32_t x374;
   2970   fiat_p256_uint1 x375;
   2971   fiat_p256_subborrowx_u32(&x374, &x375, x373, x354, 0x1);
   2972   uint32_t x376;
   2973   fiat_p256_uint1 x377;
   2974   fiat_p256_subborrowx_u32(&x376, &x377, x375, x360, UINT32_C(0xffffffff));
   2975   uint32_t x378;
   2976   fiat_p256_uint1 x379;
   2977   fiat_p256_addcarryx_u32(&x378, &x379, x361, 0x0, 0x0);
   2978   uint32_t x380;
   2979   fiat_p256_uint1 x381;
   2980   fiat_p256_subborrowx_u32(&x380, &x381, x377, (fiat_p256_uint1)x378, 0x0);
   2981   uint32_t x382;
   2982   fiat_p256_cmovznz_u32(&x382, x381, x362, x340);
   2983   uint32_t x383;
   2984   fiat_p256_cmovznz_u32(&x383, x381, x364, x342);
   2985   uint32_t x384;
   2986   fiat_p256_cmovznz_u32(&x384, x381, x366, x346);
   2987   uint32_t x385;
   2988   fiat_p256_cmovznz_u32(&x385, x381, x368, x348);
   2989   uint32_t x386;
   2990   fiat_p256_cmovznz_u32(&x386, x381, x370, x350);
   2991   uint32_t x387;
   2992   fiat_p256_cmovznz_u32(&x387, x381, x372, x352);
   2993   uint32_t x388;
   2994   fiat_p256_cmovznz_u32(&x388, x381, x374, x354);
   2995   uint32_t x389;
   2996   fiat_p256_cmovznz_u32(&x389, x381, x376, x360);
   2997   out1[0] = x382;
   2998   out1[1] = x383;
   2999   out1[2] = x384;
   3000   out1[3] = x385;
   3001   out1[4] = x386;
   3002   out1[5] = x387;
   3003   out1[6] = x388;
   3004   out1[7] = x389;
   3005 }
   3006 
   3007 /*
   3008  * Input Bounds:
   3009  *   arg1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
   3010  * Output Bounds:
   3011  *   out1: [0x0 ~> 0xffffffff]
   3012  */
   3013 static void fiat_p256_nonzero(uint32_t* out1, const uint32_t arg1[8]) {
   3014   uint32_t x1 = ((arg1[0]) | ((arg1[1]) | ((arg1[2]) | ((arg1[3]) | ((arg1[4]) | ((arg1[5]) | ((arg1[6]) | ((arg1[7]) | (uint32_t)0x0))))))));
   3015   *out1 = x1;
   3016 }
   3017 
   3018 /*
   3019  * Input Bounds:
   3020  *   arg1: [0x0 ~> 0x1]
   3021  *   arg2: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
   3022  *   arg3: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
   3023  * Output Bounds:
   3024  *   out1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
   3025  */
   3026 static void fiat_p256_selectznz(uint32_t out1[8], fiat_p256_uint1 arg1, const uint32_t arg2[8], const uint32_t arg3[8]) {
   3027   uint32_t x1;
   3028   fiat_p256_cmovznz_u32(&x1, arg1, (arg2[0]), (arg3[0]));
   3029   uint32_t x2;
   3030   fiat_p256_cmovznz_u32(&x2, arg1, (arg2[1]), (arg3[1]));
   3031   uint32_t x3;
   3032   fiat_p256_cmovznz_u32(&x3, arg1, (arg2[2]), (arg3[2]));
   3033   uint32_t x4;
   3034   fiat_p256_cmovznz_u32(&x4, arg1, (arg2[3]), (arg3[3]));
   3035   uint32_t x5;
   3036   fiat_p256_cmovznz_u32(&x5, arg1, (arg2[4]), (arg3[4]));
   3037   uint32_t x6;
   3038   fiat_p256_cmovznz_u32(&x6, arg1, (arg2[5]), (arg3[5]));
   3039   uint32_t x7;
   3040   fiat_p256_cmovznz_u32(&x7, arg1, (arg2[6]), (arg3[6]));
   3041   uint32_t x8;
   3042   fiat_p256_cmovznz_u32(&x8, arg1, (arg2[7]), (arg3[7]));
   3043   out1[0] = x1;
   3044   out1[1] = x2;
   3045   out1[2] = x3;
   3046   out1[3] = x4;
   3047   out1[4] = x5;
   3048   out1[5] = x6;
   3049   out1[6] = x7;
   3050   out1[7] = x8;
   3051 }
   3052 
   3053 /*
   3054  * Input Bounds:
   3055  *   arg1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
   3056  * Output Bounds:
   3057  *   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]]
   3058  */
   3059 static void fiat_p256_to_bytes(uint8_t out1[32], const uint32_t arg1[8]) {
   3060   uint32_t x1 = (arg1[7]);
   3061   uint32_t x2 = (arg1[6]);
   3062   uint32_t x3 = (arg1[5]);
   3063   uint32_t x4 = (arg1[4]);
   3064   uint32_t x5 = (arg1[3]);
   3065   uint32_t x6 = (arg1[2]);
   3066   uint32_t x7 = (arg1[1]);
   3067   uint32_t x8 = (arg1[0]);
   3068   uint32_t x9 = (x8 >> 8);
   3069   uint8_t x10 = (uint8_t)(x8 & UINT8_C(0xff));
   3070   uint32_t x11 = (x9 >> 8);
   3071   uint8_t x12 = (uint8_t)(x9 & UINT8_C(0xff));
   3072   uint8_t x13 = (uint8_t)(x11 >> 8);
   3073   uint8_t x14 = (uint8_t)(x11 & UINT8_C(0xff));
   3074   uint8_t x15 = (uint8_t)(x13 & UINT8_C(0xff));
   3075   uint32_t x16 = (x7 >> 8);
   3076   uint8_t x17 = (uint8_t)(x7 & UINT8_C(0xff));
   3077   uint32_t x18 = (x16 >> 8);
   3078   uint8_t x19 = (uint8_t)(x16 & UINT8_C(0xff));
   3079   uint8_t x20 = (uint8_t)(x18 >> 8);
   3080   uint8_t x21 = (uint8_t)(x18 & UINT8_C(0xff));
   3081   uint8_t x22 = (uint8_t)(x20 & UINT8_C(0xff));
   3082   uint32_t x23 = (x6 >> 8);
   3083   uint8_t x24 = (uint8_t)(x6 & UINT8_C(0xff));
   3084   uint32_t x25 = (x23 >> 8);
   3085   uint8_t x26 = (uint8_t)(x23 & UINT8_C(0xff));
   3086   uint8_t x27 = (uint8_t)(x25 >> 8);
   3087   uint8_t x28 = (uint8_t)(x25 & UINT8_C(0xff));
   3088   uint8_t x29 = (uint8_t)(x27 & UINT8_C(0xff));
   3089   uint32_t x30 = (x5 >> 8);
   3090   uint8_t x31 = (uint8_t)(x5 & UINT8_C(0xff));
   3091   uint32_t x32 = (x30 >> 8);
   3092   uint8_t x33 = (uint8_t)(x30 & UINT8_C(0xff));
   3093   uint8_t x34 = (uint8_t)(x32 >> 8);
   3094   uint8_t x35 = (uint8_t)(x32 & UINT8_C(0xff));
   3095   uint8_t x36 = (uint8_t)(x34 & UINT8_C(0xff));
   3096   uint32_t x37 = (x4 >> 8);
   3097   uint8_t x38 = (uint8_t)(x4 & UINT8_C(0xff));
   3098   uint32_t x39 = (x37 >> 8);
   3099   uint8_t x40 = (uint8_t)(x37 & UINT8_C(0xff));
   3100   uint8_t x41 = (uint8_t)(x39 >> 8);
   3101   uint8_t x42 = (uint8_t)(x39 & UINT8_C(0xff));
   3102   uint8_t x43 = (uint8_t)(x41 & UINT8_C(0xff));
   3103   uint32_t x44 = (x3 >> 8);
   3104   uint8_t x45 = (uint8_t)(x3 & UINT8_C(0xff));
   3105   uint32_t x46 = (x44 >> 8);
   3106   uint8_t x47 = (uint8_t)(x44 & UINT8_C(0xff));
   3107   uint8_t x48 = (uint8_t)(x46 >> 8);
   3108   uint8_t x49 = (uint8_t)(x46 & UINT8_C(0xff));
   3109   uint8_t x50 = (uint8_t)(x48 & UINT8_C(0xff));
   3110   uint32_t x51 = (x2 >> 8);
   3111   uint8_t x52 = (uint8_t)(x2 & UINT8_C(0xff));
   3112   uint32_t x53 = (x51 >> 8);
   3113   uint8_t x54 = (uint8_t)(x51 & UINT8_C(0xff));
   3114   uint8_t x55 = (uint8_t)(x53 >> 8);
   3115   uint8_t x56 = (uint8_t)(x53 & UINT8_C(0xff));
   3116   uint8_t x57 = (uint8_t)(x55 & UINT8_C(0xff));
   3117   uint32_t x58 = (x1 >> 8);
   3118   uint8_t x59 = (uint8_t)(x1 & UINT8_C(0xff));
   3119   uint32_t x60 = (x58 >> 8);
   3120   uint8_t x61 = (uint8_t)(x58 & UINT8_C(0xff));
   3121   uint8_t x62 = (uint8_t)(x60 >> 8);
   3122   uint8_t x63 = (uint8_t)(x60 & UINT8_C(0xff));
   3123   out1[0] = x10;
   3124   out1[1] = x12;
   3125   out1[2] = x14;
   3126   out1[3] = x15;
   3127   out1[4] = x17;
   3128   out1[5] = x19;
   3129   out1[6] = x21;
   3130   out1[7] = x22;
   3131   out1[8] = x24;
   3132   out1[9] = x26;
   3133   out1[10] = x28;
   3134   out1[11] = x29;
   3135   out1[12] = x31;
   3136   out1[13] = x33;
   3137   out1[14] = x35;
   3138   out1[15] = x36;
   3139   out1[16] = x38;
   3140   out1[17] = x40;
   3141   out1[18] = x42;
   3142   out1[19] = x43;
   3143   out1[20] = x45;
   3144   out1[21] = x47;
   3145   out1[22] = x49;
   3146   out1[23] = x50;
   3147   out1[24] = x52;
   3148   out1[25] = x54;
   3149   out1[26] = x56;
   3150   out1[27] = x57;
   3151   out1[28] = x59;
   3152   out1[29] = x61;
   3153   out1[30] = x63;
   3154   out1[31] = x62;
   3155 }
   3156 
   3157 /*
   3158  * Input Bounds:
   3159  *   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]]
   3160  * Output Bounds:
   3161  *   out1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
   3162  */
   3163 static void fiat_p256_from_bytes(uint32_t out1[8], const uint8_t arg1[32]) {
   3164   uint32_t x1 = ((uint32_t)(arg1[31]) << 24);
   3165   uint32_t x2 = ((uint32_t)(arg1[30]) << 16);
   3166   uint32_t x3 = ((uint32_t)(arg1[29]) << 8);
   3167   uint8_t x4 = (arg1[28]);
   3168   uint32_t x5 = ((uint32_t)(arg1[27]) << 24);
   3169   uint32_t x6 = ((uint32_t)(arg1[26]) << 16);
   3170   uint32_t x7 = ((uint32_t)(arg1[25]) << 8);
   3171   uint8_t x8 = (arg1[24]);
   3172   uint32_t x9 = ((uint32_t)(arg1[23]) << 24);
   3173   uint32_t x10 = ((uint32_t)(arg1[22]) << 16);
   3174   uint32_t x11 = ((uint32_t)(arg1[21]) << 8);
   3175   uint8_t x12 = (arg1[20]);
   3176   uint32_t x13 = ((uint32_t)(arg1[19]) << 24);
   3177   uint32_t x14 = ((uint32_t)(arg1[18]) << 16);
   3178   uint32_t x15 = ((uint32_t)(arg1[17]) << 8);
   3179   uint8_t x16 = (arg1[16]);
   3180   uint32_t x17 = ((uint32_t)(arg1[15]) << 24);
   3181   uint32_t x18 = ((uint32_t)(arg1[14]) << 16);
   3182   uint32_t x19 = ((uint32_t)(arg1[13]) << 8);
   3183   uint8_t x20 = (arg1[12]);
   3184   uint32_t x21 = ((uint32_t)(arg1[11]) << 24);
   3185   uint32_t x22 = ((uint32_t)(arg1[10]) << 16);
   3186   uint32_t x23 = ((uint32_t)(arg1[9]) << 8);
   3187   uint8_t x24 = (arg1[8]);
   3188   uint32_t x25 = ((uint32_t)(arg1[7]) << 24);
   3189   uint32_t x26 = ((uint32_t)(arg1[6]) << 16);
   3190   uint32_t x27 = ((uint32_t)(arg1[5]) << 8);
   3191   uint8_t x28 = (arg1[4]);
   3192   uint32_t x29 = ((uint32_t)(arg1[3]) << 24);
   3193   uint32_t x30 = ((uint32_t)(arg1[2]) << 16);
   3194   uint32_t x31 = ((uint32_t)(arg1[1]) << 8);
   3195   uint8_t x32 = (arg1[0]);
   3196   uint32_t x33 = (x32 + (x31 + (x30 + x29)));
   3197   uint32_t x34 = (x33 & UINT32_C(0xffffffff));
   3198   uint32_t x35 = (x4 + (x3 + (x2 + x1)));
   3199   uint32_t x36 = (x8 + (x7 + (x6 + x5)));
   3200   uint32_t x37 = (x12 + (x11 + (x10 + x9)));
   3201   uint32_t x38 = (x16 + (x15 + (x14 + x13)));
   3202   uint32_t x39 = (x20 + (x19 + (x18 + x17)));
   3203   uint32_t x40 = (x24 + (x23 + (x22 + x21)));
   3204   uint32_t x41 = (x28 + (x27 + (x26 + x25)));
   3205   uint32_t x42 = (x41 & UINT32_C(0xffffffff));
   3206   uint32_t x43 = (x40 & UINT32_C(0xffffffff));
   3207   uint32_t x44 = (x39 & UINT32_C(0xffffffff));
   3208   uint32_t x45 = (x38 & UINT32_C(0xffffffff));
   3209   uint32_t x46 = (x37 & UINT32_C(0xffffffff));
   3210   uint32_t x47 = (x36 & UINT32_C(0xffffffff));
   3211   out1[0] = x34;
   3212   out1[1] = x42;
   3213   out1[2] = x43;
   3214   out1[3] = x44;
   3215   out1[4] = x45;
   3216   out1[5] = x46;
   3217   out1[6] = x47;
   3218   out1[7] = x35;
   3219 }
   3220 
   3221